From b822db150531f5b7067d4d970080b7358e07ae89 Mon Sep 17 00:00:00 2001 From: cvs2svn Date: Tue, 30 Mar 1999 07:36:37 +0000 Subject: This commit was manufactured by cvs2svn to create branch 'VENDOR-gcc'. --- contrib/gcc/config/alpha/alpha.c | 1700 +++++++++++++++ contrib/gcc/config/alpha/alpha.h | 2088 ++++++++++++++++++ contrib/gcc/config/alpha/alpha.md | 3770 +++++++++++++++++++++++++++++++++ contrib/gcc/config/alpha/elf.h | 524 +++++ contrib/gcc/config/alpha/freebsd.h | 103 + contrib/gcc/config/alpha/gdb-osf12.h | 26 + contrib/gcc/config/alpha/gdb-osf2.h | 26 + contrib/gcc/config/alpha/gdb.h | 26 + contrib/gcc/config/alpha/osf12.h | 31 + contrib/gcc/config/alpha/osf2.h | 32 + contrib/gcc/config/alpha/x-alpha | 1 + contrib/gcc/config/alpha/xm-alpha.h | 78 + contrib/gcc/config/freebsd.h | 120 ++ contrib/gcc/config/i386/freebsd-elf.h | 199 ++ 14 files changed, 8724 insertions(+) create mode 100644 contrib/gcc/config/alpha/alpha.c create mode 100644 contrib/gcc/config/alpha/alpha.h create mode 100644 contrib/gcc/config/alpha/alpha.md create mode 100644 contrib/gcc/config/alpha/elf.h create mode 100644 contrib/gcc/config/alpha/freebsd.h create mode 100644 contrib/gcc/config/alpha/gdb-osf12.h create mode 100644 contrib/gcc/config/alpha/gdb-osf2.h create mode 100644 contrib/gcc/config/alpha/gdb.h create mode 100644 contrib/gcc/config/alpha/osf12.h create mode 100644 contrib/gcc/config/alpha/osf2.h create mode 100644 contrib/gcc/config/alpha/x-alpha create mode 100644 contrib/gcc/config/alpha/xm-alpha.h create mode 100644 contrib/gcc/config/freebsd.h create mode 100644 contrib/gcc/config/i386/freebsd-elf.h (limited to 'contrib') diff --git a/contrib/gcc/config/alpha/alpha.c b/contrib/gcc/config/alpha/alpha.c new file mode 100644 index 0000000..f7428c3 --- /dev/null +++ b/contrib/gcc/config/alpha/alpha.c @@ -0,0 +1,1700 @@ +/* Subroutines used for code generation on the DEC Alpha. + Copyright (C) 1992, 1993, 1994, 1995 Free Software Foundation, Inc. + Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + +This file is part of GNU CC. + +GNU CC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU CC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU CC; see the file COPYING. If not, write to +the Free Software Foundation, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + + +#include +#include "config.h" +#include "rtl.h" +#include "regs.h" +#include "hard-reg-set.h" +#include "real.h" +#include "insn-config.h" +#include "conditions.h" +#include "insn-flags.h" +#include "output.h" +#include "insn-attr.h" +#include "flags.h" +#include "recog.h" +#include "reload.h" +#include "expr.h" +#include "obstack.h" +#include "tree.h" + +/* Save information from a "cmpxx" operation until the branch or scc is + emitted. */ + +rtx alpha_compare_op0, alpha_compare_op1; +int alpha_compare_fp_p; + +/* Save the name of the current function as used by the assembler. This + is used by the epilogue. */ + +char *alpha_function_name; + +/* Non-zero if inside of a function, because the Alpha asm can't + handle .files inside of functions. */ + +static int inside_function = FALSE; + +/* Nonzero if the current function needs gp. */ + +int alpha_function_needs_gp; + +extern char *version_string; +extern int rtx_equal_function_value_matters; + +/* Declarations of static functions. */ +static void alpha_set_memflags_1 PROTO((rtx, int, int, int)); +static void add_long_const PROTO((FILE *, HOST_WIDE_INT, int, int, int)); + +/* Returns 1 if VALUE is a mask that contains full bytes of zero or ones. */ + +int +zap_mask (value) + HOST_WIDE_INT value; +{ + int i; + + for (i = 0; i < HOST_BITS_PER_WIDE_INT / HOST_BITS_PER_CHAR; + i++, value >>= 8) + if ((value & 0xff) != 0 && (value & 0xff) != 0xff) + return 0; + + return 1; +} + +/* Returns 1 if OP is either the constant zero or a register. If a + register, it must be in the proper mode unless MODE is VOIDmode. */ + +int +reg_or_0_operand (op, mode) + register rtx op; + enum machine_mode mode; +{ + return op == const0_rtx || register_operand (op, mode); +} + +/* Return 1 if OP is a constant in the range of 0-63 (for a shift) or + any register. */ + +int +reg_or_6bit_operand (op, mode) + register rtx op; + enum machine_mode mode; +{ + return ((GET_CODE (op) == CONST_INT + && (unsigned HOST_WIDE_INT) INTVAL (op) < 64) + || register_operand (op, mode)); +} + + +/* Return 1 if OP is an 8-bit constant or any register. */ + +int +reg_or_8bit_operand (op, mode) + register rtx op; + enum machine_mode mode; +{ + return ((GET_CODE (op) == CONST_INT + && (unsigned HOST_WIDE_INT) INTVAL (op) < 0x100) + || register_operand (op, mode)); +} + +/* Return 1 if OP is an 8-bit constant. */ + +int +cint8_operand (op, mode) + register rtx op; + enum machine_mode mode; +{ + return (GET_CODE (op) == CONST_INT + && (unsigned HOST_WIDE_INT) INTVAL (op) < 0x100); +} + +/* Return 1 if the operand is a valid second operand to an add insn. */ + +int +add_operand (op, mode) + register rtx op; + enum machine_mode mode; +{ + if (GET_CODE (op) == CONST_INT) + return (CONST_OK_FOR_LETTER_P (INTVAL (op), 'K') + || CONST_OK_FOR_LETTER_P (INTVAL (op), 'L') + || CONST_OK_FOR_LETTER_P (INTVAL (op), 'O')); + + return register_operand (op, mode); +} + +/* Return 1 if the operand is a valid second operand to a sign-extending + add insn. */ + +int +sext_add_operand (op, mode) + register rtx op; + enum machine_mode mode; +{ + if (GET_CODE (op) == CONST_INT) + return ((unsigned HOST_WIDE_INT) INTVAL (op) < 255 + || (unsigned HOST_WIDE_INT) (- INTVAL (op)) < 255); + + return register_operand (op, mode); +} + +/* Return 1 if OP is the constant 4 or 8. */ + +int +const48_operand (op, mode) + register rtx op; + enum machine_mode mode; +{ + return (GET_CODE (op) == CONST_INT + && (INTVAL (op) == 4 || INTVAL (op) == 8)); +} + +/* Return 1 if OP is a valid first operand to an AND insn. */ + +int +and_operand (op, mode) + register rtx op; + enum machine_mode mode; +{ + if (GET_CODE (op) == CONST_DOUBLE && GET_MODE (op) == VOIDmode) + return (zap_mask (CONST_DOUBLE_LOW (op)) + && zap_mask (CONST_DOUBLE_HIGH (op))); + + if (GET_CODE (op) == CONST_INT) + return ((unsigned HOST_WIDE_INT) INTVAL (op) < 0x100 + || (unsigned HOST_WIDE_INT) ~ INTVAL (op) < 0x100 + || zap_mask (INTVAL (op))); + + return register_operand (op, mode); +} + +/* Return 1 if OP is a valid first operand to an IOR or XOR insn. */ + +int +or_operand (op, mode) + register rtx op; + enum machine_mode mode; +{ + if (GET_CODE (op) == CONST_INT) + return ((unsigned HOST_WIDE_INT) INTVAL (op) < 0x100 + || (unsigned HOST_WIDE_INT) ~ INTVAL (op) < 0x100); + + return register_operand (op, mode); +} + +/* Return 1 if OP is a constant that is the width, in bits, of an integral + mode smaller than DImode. */ + +int +mode_width_operand (op, mode) + register rtx op; + enum machine_mode mode; +{ + return (GET_CODE (op) == CONST_INT + && (INTVAL (op) == 8 || INTVAL (op) == 16 || INTVAL (op) == 32)); +} + +/* Return 1 if OP is a constant that is the width of an integral machine mode + smaller than an integer. */ + +int +mode_mask_operand (op, mode) + register rtx op; + enum machine_mode mode; +{ +#if HOST_BITS_PER_WIDE_INT == 32 + if (GET_CODE (op) == CONST_DOUBLE) + return CONST_DOUBLE_HIGH (op) == 0 && CONST_DOUBLE_LOW (op) == -1; +#endif + + return (GET_CODE (op) == CONST_INT + && (INTVAL (op) == 0xff + || INTVAL (op) == 0xffff +#if HOST_BITS_PER_WIDE_INT == 64 + || INTVAL (op) == 0xffffffff +#endif + )); +} + +/* Return 1 if OP is a multiple of 8 less than 64. */ + +int +mul8_operand (op, mode) + register rtx op; + enum machine_mode mode; +{ + return (GET_CODE (op) == CONST_INT + && (unsigned HOST_WIDE_INT) INTVAL (op) < 64 + && (INTVAL (op) & 7) == 0); +} + +/* Return 1 if OP is the constant zero in floating-point. */ + +int +fp0_operand (op, mode) + register rtx op; + enum machine_mode mode; +{ + return (GET_MODE (op) == mode + && GET_MODE_CLASS (mode) == MODE_FLOAT && op == CONST0_RTX (mode)); +} + +/* Return 1 if OP is the floating-point constant zero or a register. */ + +int +reg_or_fp0_operand (op, mode) + register rtx op; + enum machine_mode mode; +{ + return fp0_operand (op, mode) || register_operand (op, mode); +} + +/* Return 1 if OP is a register or a constant integer. */ + + +int +reg_or_cint_operand (op, mode) + register rtx op; + enum machine_mode mode; +{ + return GET_CODE (op) == CONST_INT || register_operand (op, mode); +} + +/* Return 1 if OP is something that can be reloaded into a register; + if it is a MEM, it need not be valid. */ + +int +some_operand (op, mode) + register rtx op; + enum machine_mode mode; +{ + if (mode != VOIDmode && GET_MODE (op) != VOIDmode && mode != GET_MODE (op)) + return 0; + + switch (GET_CODE (op)) + { + case REG: case MEM: case CONST_DOUBLE: + case CONST_INT: case LABEL_REF: case SYMBOL_REF: case CONST: + return 1; + + case SUBREG: + return some_operand (SUBREG_REG (op), VOIDmode); + } + + return 0; +} + +/* Return 1 if OP is a valid operand for the source of a move insn. */ + +int +input_operand (op, mode) + register rtx op; + enum machine_mode mode; +{ + if (mode != VOIDmode && GET_MODE (op) != VOIDmode && mode != GET_MODE (op)) + return 0; + + if (GET_MODE_CLASS (mode) == MODE_FLOAT && GET_MODE (op) != mode) + return 0; + + switch (GET_CODE (op)) + { + case LABEL_REF: + case SYMBOL_REF: + case CONST: + /* This handles both the Windows/NT and OSF cases. */ + return mode == ptr_mode || mode == DImode; + + case REG: + return 1; + + case SUBREG: + if (register_operand (op, mode)) + return 1; + /* ... fall through ... */ + case MEM: + return mode != HImode && mode != QImode && general_operand (op, mode); + + case CONST_DOUBLE: + return GET_MODE_CLASS (mode) == MODE_FLOAT && op == CONST0_RTX (mode); + + case CONST_INT: + return mode == QImode || mode == HImode || add_operand (op, mode); + } + + return 0; +} + +/* Return 1 if OP is a SYMBOL_REF for a function known to be in this + file. */ + +int +current_file_function_operand (op, mode) + rtx op; + enum machine_mode mode; +{ + return (GET_CODE (op) == SYMBOL_REF + && ! profile_flag && ! profile_block_flag + && (SYMBOL_REF_FLAG (op) + || op == XEXP (DECL_RTL (current_function_decl), 0))); +} + +/* Return 1 if OP is a valid operand for the MEM of a CALL insn. */ + +int +call_operand (op, mode) + rtx op; + enum machine_mode mode; +{ + if (mode != Pmode) + return 0; + + return (GET_CODE (op) == SYMBOL_REF || GET_CODE (op) == REG); +} + +/* Return 1 if OP is a valid Alpha comparison operator. Here we know which + comparisons are valid in which insn. */ + +int +alpha_comparison_operator (op, mode) + register rtx op; + enum machine_mode mode; +{ + enum rtx_code code = GET_CODE (op); + + if (mode != GET_MODE (op) || GET_RTX_CLASS (code) != '<') + return 0; + + return (code == EQ || code == LE || code == LT + || (mode == DImode && (code == LEU || code == LTU))); +} + +/* Return 1 if OP is a signed comparison operation. */ + +int +signed_comparison_operator (op, mode) + register rtx op; + enum machine_mode mode; +{ + switch (GET_CODE (op)) + { + case EQ: case NE: case LE: case LT: case GE: case GT: + return 1; + } + + return 0; +} + +/* Return 1 if this is a divide or modulus operator. */ + +int +divmod_operator (op, mode) + register rtx op; + enum machine_mode mode; +{ + switch (GET_CODE (op)) + { + case DIV: case MOD: case UDIV: case UMOD: + return 1; + } + + return 0; +} + +/* Return 1 if this memory address is a known aligned register plus + a constant. It must be a valid address. This means that we can do + this as an aligned reference plus some offset. + + Take into account what reload will do. + + We could say that out-of-range stack slots are alignable, but that would + complicate get_aligned_mem and it isn't worth the trouble since few + functions have large stack space. */ + +int +aligned_memory_operand (op, mode) + register rtx op; + enum machine_mode mode; +{ + if (GET_CODE (op) == SUBREG) + { + if (GET_MODE (op) != mode) + return 0; + op = SUBREG_REG (op); + mode = GET_MODE (op); + } + + if (reload_in_progress && GET_CODE (op) == REG + && REGNO (op) >= FIRST_PSEUDO_REGISTER) + op = reg_equiv_mem[REGNO (op)]; + + if (GET_CODE (op) != MEM || GET_MODE (op) != mode + || ! memory_address_p (mode, XEXP (op, 0))) + return 0; + + op = XEXP (op, 0); + + if (GET_CODE (op) == PLUS) + op = XEXP (op, 0); + + return (GET_CODE (op) == REG + && (REGNO (op) == STACK_POINTER_REGNUM + || op == hard_frame_pointer_rtx + || (REGNO (op) >= FIRST_VIRTUAL_REGISTER + && REGNO (op) <= LAST_VIRTUAL_REGISTER))); +} + +/* Similar, but return 1 if OP is a MEM which is not alignable. */ + +int +unaligned_memory_operand (op, mode) + register rtx op; + enum machine_mode mode; +{ + if (GET_CODE (op) == SUBREG) + { + if (GET_MODE (op) != mode) + return 0; + op = SUBREG_REG (op); + mode = GET_MODE (op); + } + + if (reload_in_progress && GET_CODE (op) == REG + && REGNO (op) >= FIRST_PSEUDO_REGISTER) + op = reg_equiv_mem[REGNO (op)]; + + if (GET_CODE (op) != MEM || GET_MODE (op) != mode) + return 0; + + op = XEXP (op, 0); + + if (! memory_address_p (mode, op)) + return 1; + + if (GET_CODE (op) == PLUS) + op = XEXP (op, 0); + + return (GET_CODE (op) != REG + || (REGNO (op) != STACK_POINTER_REGNUM + && op != hard_frame_pointer_rtx + && (REGNO (op) < FIRST_VIRTUAL_REGISTER + || REGNO (op) > LAST_VIRTUAL_REGISTER))); +} + +/* Return 1 if OP is any memory location. During reload a pseudo matches. */ + +int +any_memory_operand (op, mode) + register rtx op; + enum machine_mode mode; +{ + return (GET_CODE (op) == MEM + || (GET_CODE (op) == SUBREG && GET_CODE (SUBREG_REG (op)) == REG) + || (reload_in_progress && GET_CODE (op) == REG + && REGNO (op) >= FIRST_PSEUDO_REGISTER) + || (reload_in_progress && GET_CODE (op) == SUBREG + && GET_CODE (SUBREG_REG (op)) == REG + && REGNO (SUBREG_REG (op)) >= FIRST_PSEUDO_REGISTER)); +} + +/* REF is an alignable memory location. Place an aligned SImode + reference into *PALIGNED_MEM and the number of bits to shift into + *PBITNUM. */ + +void +get_aligned_mem (ref, paligned_mem, pbitnum) + rtx ref; + rtx *paligned_mem, *pbitnum; +{ + rtx base; + HOST_WIDE_INT offset = 0; + + if (GET_CODE (ref) == SUBREG) + { + offset = SUBREG_WORD (ref) * UNITS_PER_WORD; + if (BYTES_BIG_ENDIAN) + offset -= (MIN (UNITS_PER_WORD, GET_MODE_SIZE (GET_MODE (ref))) + - MIN (UNITS_PER_WORD, + GET_MODE_SIZE (GET_MODE (SUBREG_REG (ref))))); + ref = SUBREG_REG (ref); + } + + if (GET_CODE (ref) == REG) + ref = reg_equiv_mem[REGNO (ref)]; + + if (reload_in_progress) + base = find_replacement (&XEXP (ref, 0)); + else + base = XEXP (ref, 0); + + if (GET_CODE (base) == PLUS) + offset += INTVAL (XEXP (base, 1)), base = XEXP (base, 0); + + *paligned_mem = gen_rtx (MEM, SImode, + plus_constant (base, offset & ~3)); + MEM_IN_STRUCT_P (*paligned_mem) = MEM_IN_STRUCT_P (ref); + MEM_VOLATILE_P (*paligned_mem) = MEM_VOLATILE_P (ref); + RTX_UNCHANGING_P (*paligned_mem) = RTX_UNCHANGING_P (ref); + + *pbitnum = GEN_INT ((offset & 3) * 8); +} + +/* Similar, but just get the address. Handle the two reload cases. */ + +rtx +get_unaligned_address (ref) + rtx ref; +{ + rtx base; + HOST_WIDE_INT offset = 0; + + if (GET_CODE (ref) == SUBREG) + { + offset = SUBREG_WORD (ref) * UNITS_PER_WORD; + if (BYTES_BIG_ENDIAN) + offset -= (MIN (UNITS_PER_WORD, GET_MODE_SIZE (GET_MODE (ref))) + - MIN (UNITS_PER_WORD, + GET_MODE_SIZE (GET_MODE (SUBREG_REG (ref))))); + ref = SUBREG_REG (ref); + } + + if (GET_CODE (ref) == REG) + ref = reg_equiv_mem[REGNO (ref)]; + + if (reload_in_progress) + base = find_replacement (&XEXP (ref, 0)); + else + base = XEXP (ref, 0); + + if (GET_CODE (base) == PLUS) + offset += INTVAL (XEXP (base, 1)), base = XEXP (base, 0); + + return plus_constant (base, offset); +} + +/* Subfunction of the following function. Update the flags of any MEM + found in part of X. */ + +static void +alpha_set_memflags_1 (x, in_struct_p, volatile_p, unchanging_p) + rtx x; + int in_struct_p, volatile_p, unchanging_p; +{ + int i; + + switch (GET_CODE (x)) + { + case SEQUENCE: + case PARALLEL: + for (i = XVECLEN (x, 0) - 1; i >= 0; i--) + alpha_set_memflags_1 (XVECEXP (x, 0, i), in_struct_p, volatile_p, + unchanging_p); + break; + + case INSN: + alpha_set_memflags_1 (PATTERN (x), in_struct_p, volatile_p, + unchanging_p); + break; + + case SET: + alpha_set_memflags_1 (SET_DEST (x), in_struct_p, volatile_p, + unchanging_p); + alpha_set_memflags_1 (SET_SRC (x), in_struct_p, volatile_p, + unchanging_p); + break; + + case MEM: + MEM_IN_STRUCT_P (x) = in_struct_p; + MEM_VOLATILE_P (x) = volatile_p; + RTX_UNCHANGING_P (x) = unchanging_p; + break; + } +} + +/* Given INSN, which is either an INSN or a SEQUENCE generated to + perform a memory operation, look for any MEMs in either a SET_DEST or + a SET_SRC and copy the in-struct, unchanging, and volatile flags from + REF into each of the MEMs found. If REF is not a MEM, don't do + anything. */ + +void +alpha_set_memflags (insn, ref) + rtx insn; + rtx ref; +{ + /* Note that it is always safe to get these flags, though they won't + be what we think if REF is not a MEM. */ + int in_struct_p = MEM_IN_STRUCT_P (ref); + int volatile_p = MEM_VOLATILE_P (ref); + int unchanging_p = RTX_UNCHANGING_P (ref); + + if (GET_CODE (ref) != MEM + || (! in_struct_p && ! volatile_p && ! unchanging_p)) + return; + + alpha_set_memflags_1 (insn, in_struct_p, volatile_p, unchanging_p); +} + +/* Try to output insns to set TARGET equal to the constant C if it can be + done in less than N insns. Do all computations in MODE. Returns the place + where the output has been placed if it can be done and the insns have been + emitted. If it would take more than N insns, zero is returned and no + insns and emitted. */ + +rtx +alpha_emit_set_const (target, mode, c, n) + rtx target; + enum machine_mode mode; + HOST_WIDE_INT c; + int n; +{ + HOST_WIDE_INT new = c; + int i, bits; + /* Use a pseudo if highly optimizing and still generating RTL. */ + rtx subtarget + = (flag_expensive_optimizations && rtx_equal_function_value_matters + ? 0 : target); + rtx temp; + +#if HOST_BITS_PER_WIDE_INT == 64 + /* We are only called for SImode and DImode. If this is SImode, ensure that + we are sign extended to a full word. This does not make any sense when + cross-compiling on a narrow machine. */ + + if (mode == SImode) + c = (c & 0xffffffff) - 2 * (c & 0x80000000); +#endif + + /* If this is a sign-extended 32-bit constant, we can do this in at most + three insns, so do it if we have enough insns left. We always have + a sign-extended 32-bit constant when compiling on a narrow machine. + Note that we cannot handle the constant 0x80000000. */ + + if ((HOST_BITS_PER_WIDE_INT != 64 + || c >> 31 == -1 || c >> 31 == 0) + && c != 0x80000000U) + { + HOST_WIDE_INT low = (c & 0xffff) - 2 * (c & 0x8000); + HOST_WIDE_INT tmp1 = c - low; + HOST_WIDE_INT high + = ((tmp1 >> 16) & 0xffff) - 2 * ((tmp1 >> 16) & 0x8000); + HOST_WIDE_INT extra = 0; + + /* If HIGH will be interpreted as negative but the constant is + positive, we must adjust it to do two ldha insns. */ + + if ((high & 0x8000) != 0 && c >= 0) + { + extra = 0x4000; + tmp1 -= 0x40000000; + high = ((tmp1 >> 16) & 0xffff) - 2 * ((tmp1 >> 16) & 0x8000); + } + + if (c == low || (low == 0 && extra == 0)) + return copy_to_suggested_reg (GEN_INT (c), target, mode); + else if (n >= 2 + (extra != 0) + /* We can't do this when SImode if HIGH required adjustment. + This is because the code relies on an implicit overflow + which is invisible to the RTL. We can thus get incorrect + code if the two ldah instructions are combined. */ + && ! (mode == SImode && extra != 0)) + { + temp = copy_to_suggested_reg (GEN_INT (low), subtarget, mode); + + if (extra != 0) + temp = expand_binop (mode, add_optab, temp, GEN_INT (extra << 16), + subtarget, 0, OPTAB_WIDEN); + + return expand_binop (mode, add_optab, temp, GEN_INT (high << 16), + target, 0, OPTAB_WIDEN); + } + } + + /* If we couldn't do it that way, try some other methods. But if we have + no instructions left, don't bother. Likewise, if this is SImode and + we can't make pseudos, we can't do anything since the expand_binop + and expand_unop calls will widen and try to make pseudos. */ + + if (n == 1 + || (mode == SImode && ! rtx_equal_function_value_matters)) + return 0; + +#if HOST_BITS_PER_WIDE_INT == 64 + /* First, see if can load a value into the target that is the same as the + constant except that all bytes that are 0 are changed to be 0xff. If we + can, then we can do a ZAPNOT to obtain the desired constant. */ + + for (i = 0; i < 64; i += 8) + if ((new & ((HOST_WIDE_INT) 0xff << i)) == 0) + new |= (HOST_WIDE_INT) 0xff << i; + + /* We are only called for SImode and DImode. If this is SImode, ensure that + we are sign extended to a full word. */ + + if (mode == SImode) + new = (new & 0xffffffff) - 2 * (new & 0x80000000); + + if (new != c + && (temp = alpha_emit_set_const (subtarget, mode, new, n - 1)) != 0) + return expand_binop (mode, and_optab, temp, GEN_INT (c | ~ new), + target, 0, OPTAB_WIDEN); +#endif + + /* Next, see if we can load a related constant and then shift and possibly + negate it to get the constant we want. Try this once each increasing + numbers of insns. */ + + for (i = 1; i < n; i++) + { + /* First try complementing. */ + if ((temp = alpha_emit_set_const (subtarget, mode, ~ c, i)) != 0) + return expand_unop (mode, one_cmpl_optab, temp, target, 0); + + /* Next try to form a constant and do a left shift. We can do this + if some low-order bits are zero; the exact_log2 call below tells + us that information. The bits we are shifting out could be any + value, but here we'll just try the 0- and sign-extended forms of + the constant. To try to increase the chance of having the same + constant in more than one insn, start at the highest number of + bits to shift, but try all possibilities in case a ZAPNOT will + be useful. */ + + if ((bits = exact_log2 (c & - c)) > 0) + for (; bits > 0; bits--) + if ((temp = (alpha_emit_set_const + (subtarget, mode, + (unsigned HOST_WIDE_INT) c >> bits, i))) != 0 + || ((temp = (alpha_emit_set_const + (subtarget, mode, + ((unsigned HOST_WIDE_INT) c) >> bits, i))) + != 0)) + return expand_binop (mode, ashl_optab, temp, GEN_INT (bits), + target, 0, OPTAB_WIDEN); + + /* Now try high-order zero bits. Here we try the shifted-in bits as + all zero and all ones. Be careful to avoid shifting outside the + mode and to avoid shifting outside the host wide int size. */ + + if ((bits = (MIN (HOST_BITS_PER_WIDE_INT, GET_MODE_SIZE (mode) * 8) + - floor_log2 (c) - 1)) > 0) + for (; bits > 0; bits--) + if ((temp = alpha_emit_set_const (subtarget, mode, + c << bits, i)) != 0 + || ((temp = (alpha_emit_set_const + (subtarget, mode, + ((c << bits) | (((HOST_WIDE_INT) 1 << bits) - 1)), + i))) + != 0)) + return expand_binop (mode, lshr_optab, temp, GEN_INT (bits), + target, 1, OPTAB_WIDEN); + + /* Now try high-order 1 bits. We get that with a sign-extension. + But one bit isn't enough here. Be careful to avoid shifting outside + the mode and to avoid shifting outside the host wide int size. */ + + if ((bits = (MIN (HOST_BITS_PER_WIDE_INT, GET_MODE_SIZE (mode) * 8) + - floor_log2 (~ c) - 2)) > 0) + for (; bits > 0; bits--) + if ((temp = alpha_emit_set_const (subtarget, mode, + c << bits, i)) != 0 + || ((temp = (alpha_emit_set_const + (subtarget, mode, + ((c << bits) | (((HOST_WIDE_INT) 1 << bits) - 1)), + i))) + != 0)) + return expand_binop (mode, ashr_optab, temp, GEN_INT (bits), + target, 0, OPTAB_WIDEN); + } + + return 0; +} + +/* Adjust the cost of a scheduling dependency. Return the new cost of + a dependency LINK or INSN on DEP_INSN. COST is the current cost. */ + +int +alpha_adjust_cost (insn, link, dep_insn, cost) + rtx insn; + rtx link; + rtx dep_insn; + int cost; +{ + rtx set; + + /* If the dependence is an anti-dependence, there is no cost. For an + output dependence, there is sometimes a cost, but it doesn't seem + worth handling those few cases. */ + + if (REG_NOTE_KIND (link) != 0) + return 0; + + /* If INSN is a store insn and DEP_INSN is setting the data being stored, + we can sometimes lower the cost. */ + + if (recog_memoized (insn) >= 0 && get_attr_type (insn) == TYPE_ST + && (set = single_set (dep_insn)) != 0 + && GET_CODE (PATTERN (insn)) == SET + && rtx_equal_p (SET_DEST (set), SET_SRC (PATTERN (insn)))) + switch (get_attr_type (dep_insn)) + { + case TYPE_LD: + /* No savings here. */ + return cost; + + case TYPE_IMULL: + case TYPE_IMULQ: + /* In these cases, we save one cycle. */ + return cost - 2; + + default: + /* In all other cases, we save two cycles. */ + return MAX (0, cost - 4); + } + + /* Another case that needs adjustment is an arithmetic or logical + operation. It's cost is usually one cycle, but we default it to + two in the MD file. The only case that it is actually two is + for the address in loads and stores. */ + + if (recog_memoized (dep_insn) >= 0 + && get_attr_type (dep_insn) == TYPE_IADDLOG) + switch (get_attr_type (insn)) + { + case TYPE_LD: + case TYPE_ST: + return cost; + + default: + return 2; + } + + /* The final case is when a compare feeds into an integer branch. The cost + is only one cycle in that case. */ + + if (recog_memoized (dep_insn) >= 0 + && get_attr_type (dep_insn) == TYPE_ICMP + && recog_memoized (insn) >= 0 + && get_attr_type (insn) == TYPE_IBR) + return 2; + + /* Otherwise, return the default cost. */ + + return cost; +} + +/* Print an operand. Recognize special options, documented below. */ + +void +print_operand (file, x, code) + FILE *file; + rtx x; + char code; +{ + int i; + + switch (code) + { + case 'r': + /* If this operand is the constant zero, write it as "$31". */ + if (GET_CODE (x) == REG) + fprintf (file, "%s", reg_names[REGNO (x)]); + else if (x == CONST0_RTX (GET_MODE (x))) + fprintf (file, "$31"); + else + output_operand_lossage ("invalid %%r value"); + + break; + + case 'R': + /* Similar, but for floating-point. */ + if (GET_CODE (x) == REG) + fprintf (file, "%s", reg_names[REGNO (x)]); + else if (x == CONST0_RTX (GET_MODE (x))) + fprintf (file, "$f31"); + else + output_operand_lossage ("invalid %%R value"); + + break; + + case 'N': + /* Write the 1's complement of a constant. */ + if (GET_CODE (x) != CONST_INT) + output_operand_lossage ("invalid %%N value"); + + fprintf (file, "%ld", ~ INTVAL (x)); + break; + + case 'P': + /* Write 1 << C, for a constant C. */ + if (GET_CODE (x) != CONST_INT) + output_operand_lossage ("invalid %%P value"); + + fprintf (file, "%ld", (HOST_WIDE_INT) 1 << INTVAL (x)); + break; + + case 'h': + /* Write the high-order 16 bits of a constant, sign-extended. */ + if (GET_CODE (x) != CONST_INT) + output_operand_lossage ("invalid %%h value"); + + fprintf (file, "%ld", INTVAL (x) >> 16); + break; + + case 'L': + /* Write the low-order 16 bits of a constant, sign-extended. */ + if (GET_CODE (x) != CONST_INT) + output_operand_lossage ("invalid %%L value"); + + fprintf (file, "%ld", (INTVAL (x) & 0xffff) - 2 * (INTVAL (x) & 0x8000)); + break; + + case 'm': + /* Write mask for ZAP insn. */ + if (GET_CODE (x) == CONST_DOUBLE) + { + HOST_WIDE_INT mask = 0; + HOST_WIDE_INT value; + + value = CONST_DOUBLE_LOW (x); + for (i = 0; i < HOST_BITS_PER_WIDE_INT / HOST_BITS_PER_CHAR; + i++, value >>= 8) + if (value & 0xff) + mask |= (1 << i); + + value = CONST_DOUBLE_HIGH (x); + for (i = 0; i < HOST_BITS_PER_WIDE_INT / HOST_BITS_PER_CHAR; + i++, value >>= 8) + if (value & 0xff) + mask |= (1 << (i + sizeof (int))); + + fprintf (file, "%ld", mask & 0xff); + } + + else if (GET_CODE (x) == CONST_INT) + { + HOST_WIDE_INT mask = 0, value = INTVAL (x); + + for (i = 0; i < 8; i++, value >>= 8) + if (value & 0xff) + mask |= (1 << i); + + fprintf (file, "%ld", mask); + } + else + output_operand_lossage ("invalid %%m value"); + break; + + case 'M': + /* 'b', 'w', or 'l' as the value of the constant. */ + if (GET_CODE (x) != CONST_INT + || (INTVAL (x) != 8 && INTVAL (x) != 16 && INTVAL (x) != 32)) + output_operand_lossage ("invalid %%M value"); + + fprintf (file, "%s", + INTVAL (x) == 8 ? "b" : INTVAL (x) == 16 ? "w" : "l"); + break; + + case 'U': + /* Similar, except do it from the mask. */ + if (GET_CODE (x) == CONST_INT && INTVAL (x) == 0xff) + fprintf (file, "b"); + else if (GET_CODE (x) == CONST_INT && INTVAL (x) == 0xffff) + fprintf (file, "w"); +#if HOST_BITS_PER_WIDE_INT == 32 + else if (GET_CODE (x) == CONST_DOUBLE + && CONST_DOUBLE_HIGH (x) == 0 + && CONST_DOUBLE_LOW (x) == -1) + fprintf (file, "l"); +#else + else if (GET_CODE (x) == CONST_INT && INTVAL (x) == 0xffffffff) + fprintf (file, "l"); +#endif + else + output_operand_lossage ("invalid %%U value"); + break; + + case 's': + /* Write the constant value divided by 8. */ + if (GET_CODE (x) != CONST_INT + && (unsigned HOST_WIDE_INT) INTVAL (x) >= 64 + && (INTVAL (x) & 7) != 8) + output_operand_lossage ("invalid %%s value"); + + fprintf (file, "%ld", INTVAL (x) / 8); + break; + + case 'S': + /* Same, except compute (64 - c) / 8 */ + + if (GET_CODE (x) != CONST_INT + && (unsigned HOST_WIDE_INT) INTVAL (x) >= 64 + && (INTVAL (x) & 7) != 8) + output_operand_lossage ("invalid %%s value"); + + fprintf (file, "%ld", (64 - INTVAL (x)) / 8); + break; + + case 'C': + /* Write out comparison name. */ + if (GET_RTX_CLASS (GET_CODE (x)) != '<') + output_operand_lossage ("invalid %%C value"); + + if (GET_CODE (x) == LEU) + fprintf (file, "ule"); + else if (GET_CODE (x) == LTU) + fprintf (file, "ult"); + else + fprintf (file, "%s", GET_RTX_NAME (GET_CODE (x))); + break; + + case 'D': + /* Similar, but write reversed code. We can't get an unsigned code + here. */ + if (GET_RTX_CLASS (GET_CODE (x)) != '<') + output_operand_lossage ("invalid %%D value"); + + fprintf (file, "%s", GET_RTX_NAME (reverse_condition (GET_CODE (x)))); + break; + + case 'c': + /* Similar to `c', but swap. We can't get unsigned here either. */ + if (GET_RTX_CLASS (GET_CODE (x)) != '<') + output_operand_lossage ("invalid %%D value"); + + fprintf (file, "%s", GET_RTX_NAME (swap_condition (GET_CODE (x)))); + break; + + case 'd': + /* Similar, but reverse and swap. We can't get unsigned here either. */ + if (GET_RTX_CLASS (GET_CODE (x)) != '<') + output_operand_lossage ("invalid %%D value"); + + fprintf (file, "%s", + GET_RTX_NAME (swap_condition (reverse_condition ((GET_CODE (x)))))); + break; + + case 'E': + /* Write the divide or modulus operator. */ + switch (GET_CODE (x)) + { + case DIV: + fprintf (file, "div%s", GET_MODE (x) == SImode ? "l" : "q"); + break; + case UDIV: + fprintf (file, "div%su", GET_MODE (x) == SImode ? "l" : "q"); + break; + case MOD: + fprintf (file, "rem%s", GET_MODE (x) == SImode ? "l" : "q"); + break; + case UMOD: + fprintf (file, "rem%su", GET_MODE (x) == SImode ? "l" : "q"); + break; + default: + output_operand_lossage ("invalid %%E value"); + break; + } + break; + + case 'A': + /* Write "_u" for unaligned access. */ + if (GET_CODE (x) == MEM && GET_CODE (XEXP (x, 0)) == AND) + fprintf (file, "_u"); + break; + + case 0: + if (GET_CODE (x) == REG) + fprintf (file, "%s", reg_names[REGNO (x)]); + else if (GET_CODE (x) == MEM) + output_address (XEXP (x, 0)); + else + output_addr_const (file, x); + break; + + default: + output_operand_lossage ("invalid %%xn code"); + } +} + +/* Do what is necessary for `va_start'. The argument is ignored; + We look at the current function to determine if stdarg or varargs + is used and fill in an initial va_list. A pointer to this constructor + is returned. */ + +struct rtx_def * +alpha_builtin_saveregs (arglist) + tree arglist; +{ + rtx block, addr, argsize; + tree fntype = TREE_TYPE (current_function_decl); + int stdarg = (TYPE_ARG_TYPES (fntype) != 0 + && (TREE_VALUE (tree_last (TYPE_ARG_TYPES (fntype))) + != void_type_node)); + + /* Compute the current position into the args, taking into account + both registers and memory. Both of these are already included in + current_function_args_info. */ + + argsize = GEN_INT (current_function_args_info * UNITS_PER_WORD); + + /* SETUP_INCOMING_VARARGS moves the starting address base up by 48, + storing fp arg registers in the first 48 bytes, and the integer arg + registers in the next 48 bytes. This is only done, however, if any + integer registers need to be stored. + + If no integer registers need be stored, then we must subtract 48 in + order to account for the integer arg registers which are counted in + argsize above, but which are not actually stored on the stack. */ + + addr = (current_function_args_info <= 5 + stdarg + ? plus_constant (virtual_incoming_args_rtx, 6 * UNITS_PER_WORD) + : plus_constant (virtual_incoming_args_rtx, - (6 * UNITS_PER_WORD))); + + addr = force_operand (addr, NULL_RTX); + + /* Allocate the va_list constructor */ + block = assign_stack_local (BLKmode, 2 * UNITS_PER_WORD, BITS_PER_WORD); + RTX_UNCHANGING_P (block) = 1; + RTX_UNCHANGING_P (XEXP (block, 0)) = 1; + + /* Store the address of the first integer register in the __base member. */ + +#ifdef POINTERS_EXTEND_UNSIGNED + addr = convert_memory_address (ptr_mode, addr); +#endif + + emit_move_insn (change_address (block, ptr_mode, XEXP (block, 0)), addr); + + /* Store the argsize as the __va_offset member. */ + emit_move_insn (change_address (block, TYPE_MODE (integer_type_node), + plus_constant (XEXP (block, 0), + POINTER_SIZE/BITS_PER_UNIT)), + argsize); + + /* Return the address of the va_list constructor, but don't put it in a + register. Doing so would fail when not optimizing and produce worse + code when optimizing. */ + return XEXP (block, 0); +} + +/* This page contains routines that are used to determine what the function + prologue and epilogue code will do and write them out. */ + +/* Compute the size of the save area in the stack. */ + +int +alpha_sa_size () +{ + int size = 0; + int i; + + for (i = 0; i < FIRST_PSEUDO_REGISTER; i++) + if (! fixed_regs[i] && ! call_used_regs[i] && regs_ever_live[i]) + size++; + + /* If some registers were saved but not reg 26, reg 26 must also + be saved, so leave space for it. */ + if (size != 0 && ! regs_ever_live[26]) + size++; + + /* Our size must be even (multiple of 16 bytes). */ + if (size & 1) + size ++; + + return size * 8; +} + +/* Return 1 if this function can directly return via $26. */ + +int +direct_return () +{ + return (reload_completed && alpha_sa_size () == 0 + && get_frame_size () == 0 + && current_function_outgoing_args_size == 0 + && current_function_pretend_args_size == 0); +} + +/* Write a version stamp. Don't write anything if we are running as a + cross-compiler. Otherwise, use the versions in /usr/include/stamp.h. */ + +#if !defined(CROSS_COMPILE) && !defined(_WIN32) && \ + !defined(__NetBSD__) && !defined(__FreeBSD__) +#include +#endif + +void +alpha_write_verstamp (file) + FILE *file; +{ +#ifdef MS_STAMP + fprintf (file, "\t.verstamp %d %d\n", MS_STAMP, LS_STAMP); +#endif +} + +/* Write code to add constant C to register number IN_REG (possibly 31) + and put the result into OUT_REG. Use TEMP_REG as a scratch register; + usually this will be OUT_REG, but should not be if OUT_REG is + STACK_POINTER_REGNUM, since it must be updated in a single instruction. + Write the code to FILE. */ + +static void +add_long_const (file, c, in_reg, out_reg, temp_reg) + FILE *file; + HOST_WIDE_INT c; + int in_reg, out_reg, temp_reg; +{ + HOST_WIDE_INT low = (c & 0xffff) - 2 * (c & 0x8000); + HOST_WIDE_INT tmp1 = c - low; + HOST_WIDE_INT high = ((tmp1 >> 16) & 0xffff) - 2 * ((tmp1 >> 16) & 0x8000); + HOST_WIDE_INT extra = 0; + + /* We don't have code to write out constants larger than 32 bits. */ +#if HOST_BITS_PER_LONG_INT == 64 + if ((unsigned HOST_WIDE_INT) c >> 32 != 0) + abort (); +#endif + + /* If HIGH will be interpreted as negative, we must adjust it to do two + ldha insns. Note that we will never be building a negative constant + here. */ + + if (high & 0x8000) + { + extra = 0x4000; + tmp1 -= 0x40000000; + high = ((tmp1 >> 16) & 0xffff) - 2 * ((tmp1 >> 16) & 0x8000); + } + + if (low != 0) + { + int result_reg = (extra == 0 && high == 0) ? out_reg : temp_reg; + + if (low >= 0 && low < 255) + fprintf (file, "\taddq $%d,%d,$%d\n", in_reg, low, result_reg); + else + fprintf (file, "\tlda $%d,%d($%d)\n", result_reg, low, in_reg); + + in_reg = result_reg; + } + + if (extra) + { + int result_reg = (high == 0) ? out_reg : temp_reg; + + fprintf (file, "\tldah $%d,%d($%d)\n", result_reg, extra, in_reg); + in_reg = result_reg; + } + + if (high) + fprintf (file, "\tldah $%d,%d($%d)\n", out_reg, high, in_reg); +} + +/* Write function prologue. */ + +void +output_prolog (file, size) + FILE *file; + int size; +{ + HOST_WIDE_INT out_args_size + = ALPHA_ROUND (current_function_outgoing_args_size); + HOST_WIDE_INT sa_size = alpha_sa_size (); + HOST_WIDE_INT frame_size + = (out_args_size + sa_size + + ALPHA_ROUND (size + current_function_pretend_args_size)); + HOST_WIDE_INT reg_offset = out_args_size; + HOST_WIDE_INT start_reg_offset = reg_offset; + HOST_WIDE_INT actual_start_reg_offset = start_reg_offset; + int int_reg_save_area_size = 0; + rtx insn; + unsigned reg_mask = 0; + int i; + + /* Ecoff can handle multiple .file directives, so put out file and lineno. + We have to do that before the .ent directive as we cannot switch + files within procedures with native ecoff because line numbers are + linked to procedure descriptors. + Outputting the lineno helps debugging of one line functions as they + would otherwise get no line number at all. Please note that we would + like to put out last_linenum from final.c, but it is not accessible. */ + + if (write_symbols == SDB_DEBUG) + { + ASM_OUTPUT_SOURCE_FILENAME (file, + DECL_SOURCE_FILE (current_function_decl)); + if (debug_info_level != DINFO_LEVEL_TERSE) + ASM_OUTPUT_SOURCE_LINE (file, + DECL_SOURCE_LINE (current_function_decl)); + } + + /* The assembly language programmer's guide states that the second argument + to the .ent directive, the lex_level, is ignored by the assembler, + so we might as well omit it. */ + + fprintf (file, "\t.ent "); + assemble_name (file, alpha_function_name); + fprintf (file, "\n"); + ASM_OUTPUT_LABEL (file, alpha_function_name); + inside_function = TRUE; + + /* Set up offsets to alpha virtual arg/local debugging pointer. */ + + alpha_auto_offset = -frame_size + current_function_pretend_args_size; + alpha_arg_offset = -frame_size + 48; + + /* If we need a GP (we have a LDSYM insn or a CALL_INSN), load it first. + Even if we are a static function, we still need to do this in case + our address is taken and passed to something like qsort. + + We never need a GP for Windows/NT. */ + + alpha_function_needs_gp = 0; + for (insn = get_insns (); insn; insn = NEXT_INSN (insn)) + if ((GET_CODE (insn) == CALL_INSN) + || (GET_RTX_CLASS (GET_CODE (insn)) == 'i' + && GET_CODE (PATTERN (insn)) != USE + && GET_CODE (PATTERN (insn)) != CLOBBER + && (get_attr_type (insn) == TYPE_LDSYM + || get_attr_type (insn) == TYPE_ISUBR))) + { + alpha_function_needs_gp = 1; + break; + } + + if (WINDOWS_NT == 0) + { + if (alpha_function_needs_gp) + fprintf (file, "\tldgp $29,0($27)\n"); + + /* Put a label after the GP load so we can enter the function at it. */ + assemble_name (file, alpha_function_name); + fprintf (file, "..ng:\n"); + } + + /* Adjust the stack by the frame size. If the frame size is > 4096 + bytes, we need to be sure we probe somewhere in the first and last + 4096 bytes (we can probably get away without the latter test) and + every 8192 bytes in between. If the frame size is > 32768, we + do this in a loop. Otherwise, we generate the explicit probe + instructions. + + Note that we are only allowed to adjust sp once in the prologue. */ + + if (frame_size < 32768) + { + if (frame_size > 4096) + { + int probed = 4096; + + fprintf (file, "\tstq $31,-%d($30)\n", probed); + + while (probed + 8192 < frame_size) + fprintf (file, "\tstq $31,-%d($30)\n", probed += 8192); + + /* We only have to do this probe if we aren't saving registers. */ + if (sa_size == 0 && probed + 4096 < frame_size) + fprintf (file, "\tstq $31,-%d($30)\n", frame_size); + } + + if (frame_size != 0) + fprintf (file, "\tlda $30,-%d($30)\n", frame_size); + } + else + { + /* Here we generate code to set R4 to SP + 4096 and set R5 to the + number of 8192 byte blocks to probe. We then probe each block + in the loop and then set SP to the proper location. If the + amount remaining is > 4096, we have to do one more probe if we + are not saving any registers. */ + + HOST_WIDE_INT blocks = (frame_size + 4096) / 8192; + HOST_WIDE_INT leftover = frame_size + 4096 - blocks * 8192; + + add_long_const (file, blocks, 31, 5, 5); + + fprintf (file, "\tlda $4,4096($30)\n"); + + assemble_name (file, alpha_function_name); + fprintf (file, "..sc:\n"); + + fprintf (file, "\tstq $31,-8192($4)\n"); + fprintf (file, "\tsubq $5,1,$5\n"); + fprintf (file, "\tlda $4,-8192($4)\n"); + + fprintf (file, "\tbne $5,"); + assemble_name (file, alpha_function_name); + fprintf (file, "..sc\n"); + + if (leftover > 4096 && sa_size == 0) + fprintf (file, "\tstq $31,-%d($4)\n", leftover); + + fprintf (file, "\tlda $30,-%d($4)\n", leftover); + } + + /* Describe our frame. */ + fprintf (file, "\t.frame $%d,%d,$26,%d\n", + (frame_pointer_needed + ? HARD_FRAME_POINTER_REGNUM : STACK_POINTER_REGNUM), + frame_size, current_function_pretend_args_size); + + /* Save register 26 if any other register needs to be saved. */ + if (sa_size != 0) + { + reg_mask |= 1 << 26; + fprintf (file, "\tstq $26,%d($30)\n", reg_offset); + reg_offset += 8; + int_reg_save_area_size += 8; + } + + /* Now save any other used integer registers required to be saved. */ + for (i = 0; i < 32; i++) + if (! fixed_regs[i] && ! call_used_regs[i] && regs_ever_live[i] && i != 26) + { + reg_mask |= 1 << i; + fprintf (file, "\tstq $%d,%d($30)\n", i, reg_offset); + reg_offset += 8; + int_reg_save_area_size += 8; + } + + /* Print the register mask and do floating-point saves. */ + if (reg_mask) + fprintf (file, "\t.mask 0x%x,%d\n", reg_mask, + actual_start_reg_offset - frame_size); + + start_reg_offset = reg_offset; + reg_mask = 0; + + for (i = 0; i < 32; i++) + if (! fixed_regs[i + 32] && ! call_used_regs[i + 32] + && regs_ever_live[i + 32]) + { + reg_mask |= 1 << i; + fprintf (file, "\tstt $f%d,%d($30)\n", i, reg_offset); + reg_offset += 8; + } + + /* Print the floating-point mask, if we've saved any fp register. */ + if (reg_mask) + fprintf (file, "\t.fmask 0x%x,%d\n", reg_mask, + actual_start_reg_offset - frame_size + int_reg_save_area_size); + + /* If we need a frame pointer, set it from the stack pointer. Note that + this must always be the last instruction in the prologue. */ + if (frame_pointer_needed) + fprintf (file, "\tbis $30,$30,$15\n"); + + /* End the prologue and say if we used gp. */ + fprintf (file, "\t.prologue %d\n", alpha_function_needs_gp); +} + +/* Write function epilogue. */ + +void +output_epilog (file, size) + FILE *file; + int size; +{ + rtx insn = get_last_insn (); + HOST_WIDE_INT out_args_size + = ALPHA_ROUND (current_function_outgoing_args_size); + HOST_WIDE_INT sa_size = alpha_sa_size (); + HOST_WIDE_INT frame_size + = (out_args_size + sa_size + + ALPHA_ROUND (size + current_function_pretend_args_size)); + HOST_WIDE_INT reg_offset = out_args_size; + HOST_WIDE_INT frame_size_from_reg_save = frame_size - reg_offset; + int restore_fp + = frame_pointer_needed && regs_ever_live[HARD_FRAME_POINTER_REGNUM]; + int i; + + /* If the last insn was a BARRIER, we don't have to write anything except + the .end pseudo-op. */ + if (GET_CODE (insn) == NOTE) + insn = prev_nonnote_insn (insn); + if (insn == 0 || GET_CODE (insn) != BARRIER) + { + int fp_offset = 0; + + /* If we have a frame pointer, restore SP from it. */ + if (frame_pointer_needed) + fprintf (file, "\tbis $15,$15,$30\n"); + + /* Restore all the registers, starting with the return address + register. */ + if (sa_size != 0) + { + fprintf (file, "\tldq $26,%d($30)\n", reg_offset); + reg_offset += 8; + } + + /* Now restore any other used integer registers that that we saved, + except for FP if it is being used as FP, since it must be + restored last. */ + + for (i = 0; i < 32; i++) + if (! fixed_regs[i] && ! call_used_regs[i] && regs_ever_live[i] + && i != 26) + { + if (i == HARD_FRAME_POINTER_REGNUM && frame_pointer_needed) + fp_offset = reg_offset; + else + fprintf (file, "\tldq $%d,%d($30)\n", i, reg_offset); + reg_offset += 8; + } + + for (i = 0; i < 32; i++) + if (! fixed_regs[i + 32] && ! call_used_regs[i + 32] + && regs_ever_live[i + 32]) + { + fprintf (file, "\tldt $f%d,%d($30)\n", i, reg_offset); + reg_offset += 8; + } + + /* If the stack size is large and we have a frame pointer, compute the + size of the stack into a register because the old FP restore, stack + pointer adjust, and return are required to be consecutive + instructions. */ + if (frame_size > 32767 && restore_fp) + add_long_const (file, frame_size, 31, 1, 1); + + /* If we needed a frame pointer and we have to restore it, do it + now. This must be done in one instruction immediately + before the SP update. */ + if (restore_fp && fp_offset) + fprintf (file, "\tldq $15,%d($30)\n", fp_offset); + + /* Now update the stack pointer, if needed. Only one instruction must + modify the stack pointer. It must be the last instruction in the + sequence and must be an ADDQ or LDA instruction. If the frame + pointer was loaded above, we may only put one instruction here. */ + + if (frame_size > 32768 && restore_fp) + fprintf (file, "\taddq $1,$30,$30\n"); + else + add_long_const (file, frame_size, 30, 30, 1); + + /* Finally return to the caller. */ + fprintf (file, "\tret $31,($26),1\n"); + } + + /* End the function. */ + fprintf (file, "\t.end "); + assemble_name (file, alpha_function_name); + fprintf (file, "\n"); + inside_function = FALSE; + + /* Show that we know this function if it is called again. */ + SYMBOL_REF_FLAG (XEXP (DECL_RTL (current_function_decl), 0)) = 1; +} + +/* Debugging support. */ + +#include "gstab.h" + +/* Count the number of sdb related labels are generated (to find block + start and end boundaries). */ + +int sdb_label_count = 0; + +/* Next label # for each statement. */ + +static int sym_lineno = 0; + +/* Count the number of .file directives, so that .loc is up to date. */ + +static int num_source_filenames = 0; + +/* Name of the file containing the current function. */ + +static char *current_function_file = ""; + +/* Offsets to alpha virtual arg/local debugging pointers. */ + +long alpha_arg_offset; +long alpha_auto_offset; + +/* Emit a new filename to a stream. */ + +void +alpha_output_filename (stream, name) + FILE *stream; + char *name; +{ + static int first_time = TRUE; + char ltext_label_name[100]; + + if (first_time) + { + first_time = FALSE; + ++num_source_filenames; + current_function_file = name; + fprintf (stream, "\t.file\t%d ", num_source_filenames); + output_quoted_string (stream, name); + fprintf (stream, "\n"); + if (!TARGET_GAS && write_symbols == DBX_DEBUG) + fprintf (stream, "\t#@stabs\n"); + } + + else if (!TARGET_GAS && write_symbols == DBX_DEBUG) + { + ASM_GENERATE_INTERNAL_LABEL (ltext_label_name, "Ltext", 0); + fprintf (stream, "%s ", ASM_STABS_OP); + output_quoted_string (stream, name); + fprintf (stream, ",%d,0,0,%s\n", N_SOL, <ext_label_name[1]); + } + + else if (name != current_function_file + && strcmp (name, current_function_file) != 0) + { + if (inside_function && ! TARGET_GAS) + fprintf (stream, "\t#.file\t%d ", num_source_filenames); + else + { + ++num_source_filenames; + current_function_file = name; + fprintf (stream, "\t.file\t%d ", num_source_filenames); + } + + output_quoted_string (stream, name); + fprintf (stream, "\n"); + } +} + +/* Emit a linenumber to a stream. */ + +void +alpha_output_lineno (stream, line) + FILE *stream; + int line; +{ + if (! TARGET_GAS && write_symbols == DBX_DEBUG) + { + /* mips-tfile doesn't understand .stabd directives. */ + ++sym_lineno; + fprintf (stream, "$LM%d:\n\t%s %d,0,%d,$LM%d\n", + sym_lineno, ASM_STABN_OP, N_SLINE, line, sym_lineno); + } + else + fprintf (stream, "\n\t.loc\t%d %d\n", num_source_filenames, line); +} diff --git a/contrib/gcc/config/alpha/alpha.h b/contrib/gcc/config/alpha/alpha.h new file mode 100644 index 0000000..9504c09 --- /dev/null +++ b/contrib/gcc/config/alpha/alpha.h @@ -0,0 +1,2088 @@ +/* Definitions of target machine for GNU compiler, for DEC Alpha. + Copyright (C) 1992, 1993, 1994, 1995 Free Software Foundation, Inc. + Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + +This file is part of GNU CC. + +GNU CC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU CC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU CC; see the file COPYING. If not, write to +the Free Software Foundation, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + + +/* Names to predefine in the preprocessor for this target machine. */ + +#define CPP_PREDEFINES "\ +-Dunix -D__osf__ -D__alpha -D__alpha__ -D_LONGLONG -DSYSTYPE_BSD \ +-D_SYSTYPE_BSD -Asystem(unix) -Asystem(xpg4) -Acpu(alpha) -Amachine(alpha)" + +/* Write out the correct language type definition for the header files. + Unless we have assembler language, write out the symbols for C. */ +#define CPP_SPEC "\ +%{!.S: -D__LANGUAGE_C__ -D__LANGUAGE_C %{!ansi:-DLANGUAGE_C}} \ +%{.S: -D__LANGUAGE_ASSEMBLY__ -D__LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY}} \ +%{.cc: -D__LANGUAGE_C_PLUS_PLUS__ -D__LANGUAGE_C_PLUS_PLUS -D__cplusplus} \ +%{.cxx: -D__LANGUAGE_C_PLUS_PLUS__ -D__LANGUAGE_C_PLUS_PLUS -D__cplusplus} \ +%{.C: -D__LANGUAGE_C_PLUS_PLUS__ -D__LANGUAGE_C_PLUS_PLUS -D__cplusplus} \ +%{.m: -D__LANGUAGE_OBJECTIVE_C__ -D__LANGUAGE_OBJECTIVE_C}" + +/* Set the spec to use for signed char. The default tests the above macro + but DEC's compiler can't handle the conditional in a "constant" + operand. */ + +#define SIGNED_CHAR_SPEC "%{funsigned-char:-D__CHAR_UNSIGNED__}" + +/* Under OSF/1, -p and -pg require -lprof1. */ + +#define LIB_SPEC "%{p:-lprof1} %{pg:-lprof1} %{a:-lprof2} -lc" + +/* Pass "-G 8" to ld because Alpha's CC does. Pass -O3 if we are + optimizing, -O1 if we are not. Pass -shared, -non_shared or + -call_shared as appropriate. Also pass -pg. */ +#define LINK_SPEC \ + "-G 8 %{O*:-O3} %{!O*:-O1} %{static:-non_shared} \ + %{!static:%{shared:-shared} %{!shared:-call_shared}} %{pg} %{taso} \ + %{rpath*}" + +#define WORD_SWITCH_TAKES_ARG(STR) \ + (!strcmp (STR, "rpath") || !strcmp (STR, "include") \ + || !strcmp (STR, "imacros") || !strcmp (STR, "aux-info") \ + || !strcmp (STR, "idirafter") || !strcmp (STR, "iprefix") \ + || !strcmp (STR, "iwithprefix") || !strcmp (STR, "iwithprefixbefore") \ + || !strcmp (STR, "isystem")) + +#define STARTFILE_SPEC \ + "%{!shared:%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}" + +/* Print subsidiary information on the compiler version in use. */ +#define TARGET_VERSION + +/* Default this to not be compiling for Windows/NT. */ +#ifndef WINDOWS_NT +#define WINDOWS_NT 0 +#endif + +/* Define the location for the startup file on OSF/1 for Alpha. */ + +#define MD_STARTFILE_PREFIX "/usr/lib/cmplrs/cc/" + +/* Run-time compilation parameters selecting different hardware subsets. */ + +extern int target_flags; + +/* This means that floating-point support exists in the target implementation + of the Alpha architecture. This is usually the default. */ + +#define TARGET_FP (target_flags & 1) + +/* This means that floating-point registers are allowed to be used. Note + that Alpha implementations without FP operations are required to + provide the FP registers. */ + +#define TARGET_FPREGS (target_flags & 2) + +/* This means that gas is used to process the assembler file. */ + +#define MASK_GAS 4 +#define TARGET_GAS (target_flags & MASK_GAS) + +/* Macro to define tables used to set the flags. + This is a list in braces of pairs in braces, + each pair being { "NAME", VALUE } + where VALUE is the bits to set or minus the bits to clear. + An empty string NAME is used to identify the default VALUE. */ + +#define TARGET_SWITCHES \ + { {"no-soft-float", 1}, \ + {"soft-float", -1}, \ + {"fp-regs", 2}, \ + {"no-fp-regs", -3}, \ + {"alpha-as", -MASK_GAS}, \ + {"gas", MASK_GAS}, \ + {"", TARGET_DEFAULT | TARGET_CPU_DEFAULT} } + +#define TARGET_DEFAULT 3 + +#ifndef TARGET_CPU_DEFAULT +#define TARGET_CPU_DEFAULT 0 +#endif + +/* Define this macro to change register usage conditional on target flags. + + On the Alpha, we use this to disable the floating-point registers when + they don't exist. */ + +#define CONDITIONAL_REGISTER_USAGE \ + if (! TARGET_FPREGS) \ + for (i = 32; i < 63; i++) \ + fixed_regs[i] = call_used_regs[i] = 1; + +/* Show we can debug even without a frame pointer. */ +#define CAN_DEBUG_WITHOUT_FP + +/* target machine storage layout */ + +/* Define to enable software floating point emulation. */ +#define REAL_ARITHMETIC + +/* Define the size of `int'. The default is the same as the word size. */ +#define INT_TYPE_SIZE 32 + +/* Define the size of `long long'. The default is the twice the word size. */ +#define LONG_LONG_TYPE_SIZE 64 + +/* The two floating-point formats we support are S-floating, which is + 4 bytes, and T-floating, which is 8 bytes. `float' is S and `double' + and `long double' are T. */ + +#define FLOAT_TYPE_SIZE 32 +#define DOUBLE_TYPE_SIZE 64 +#define LONG_DOUBLE_TYPE_SIZE 64 + +#define WCHAR_TYPE "short unsigned int" +#define WCHAR_TYPE_SIZE 16 + +/* Define this macro if it is advisable to hold scalars in registers + in a wider mode than that declared by the program. In such cases, + the value is constrained to be within the bounds of the declared + type, but kept valid in the wider mode. The signedness of the + extension may differ from that of the type. + + For Alpha, we always store objects in a full register. 32-bit objects + are always sign-extended, but smaller objects retain their signedness. */ + +#define PROMOTE_MODE(MODE,UNSIGNEDP,TYPE) \ + if (GET_MODE_CLASS (MODE) == MODE_INT \ + && GET_MODE_SIZE (MODE) < UNITS_PER_WORD) \ + { \ + if ((MODE) == SImode) \ + (UNSIGNEDP) = 0; \ + (MODE) = DImode; \ + } + +/* Define this if function arguments should also be promoted using the above + procedure. */ + +#define PROMOTE_FUNCTION_ARGS + +/* Likewise, if the function return value is promoted. */ + +#define PROMOTE_FUNCTION_RETURN + +/* Define this if most significant bit is lowest numbered + in instructions that operate on numbered bit-fields. + + There are no such instructions on the Alpha, but the documentation + is little endian. */ +#define BITS_BIG_ENDIAN 0 + +/* Define this if most significant byte of a word is the lowest numbered. + This is false on the Alpha. */ +#define BYTES_BIG_ENDIAN 0 + +/* Define this if most significant word of a multiword number is lowest + numbered. + + For Alpha we can decide arbitrarily since there are no machine instructions + for them. Might as well be consistent with bytes. */ +#define WORDS_BIG_ENDIAN 0 + +/* number of bits in an addressable storage unit */ +#define BITS_PER_UNIT 8 + +/* Width in bits of a "word", which is the contents of a machine register. + Note that this is not necessarily the width of data type `int'; + if using 16-bit ints on a 68000, this would still be 32. + But on a machine with 16-bit registers, this would be 16. */ +#define BITS_PER_WORD 64 + +/* Width of a word, in units (bytes). */ +#define UNITS_PER_WORD 8 + +/* Width in bits of a pointer. + See also the macro `Pmode' defined below. */ +#define POINTER_SIZE 64 + +/* Allocation boundary (in *bits*) for storing arguments in argument list. */ +#define PARM_BOUNDARY 64 + +/* Boundary (in *bits*) on which stack pointer should be aligned. */ +#define STACK_BOUNDARY 64 + +/* Allocation boundary (in *bits*) for the code of a function. */ +#define FUNCTION_BOUNDARY 64 + +/* Alignment of field after `int : 0' in a structure. */ +#define EMPTY_FIELD_BOUNDARY 64 + +/* Every structure's size must be a multiple of this. */ +#define STRUCTURE_SIZE_BOUNDARY 8 + +/* A bitfield declared as `int' forces `int' alignment for the struct. */ +#define PCC_BITFIELD_TYPE_MATTERS 1 + +/* Align loop starts for optimal branching. + + ??? Kludge this and the next macro for the moment by not doing anything if + we don't optimize and also if we are writing ECOFF symbols to work around + a bug in DEC's assembler. */ + +#define ASM_OUTPUT_LOOP_ALIGN(FILE) \ + if (optimize > 0 && write_symbols != SDB_DEBUG) \ + ASM_OUTPUT_ALIGN (FILE, 5) + +/* This is how to align an instruction for optimal branching. + On Alpha we'll get better performance by aligning on a quadword + boundary. */ + +#define ASM_OUTPUT_ALIGN_CODE(FILE) \ + if (optimize > 0 && write_symbols != SDB_DEBUG) \ + ASM_OUTPUT_ALIGN ((FILE), 4) + +/* No data type wants to be aligned rounder than this. */ +#define BIGGEST_ALIGNMENT 64 + +/* Make strings word-aligned so strcpy from constants will be faster. */ +#define CONSTANT_ALIGNMENT(EXP, ALIGN) \ + (TREE_CODE (EXP) == STRING_CST \ + && (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN)) + +/* Make arrays of chars word-aligned for the same reasons. */ +#define DATA_ALIGNMENT(TYPE, ALIGN) \ + (TREE_CODE (TYPE) == ARRAY_TYPE \ + && TYPE_MODE (TREE_TYPE (TYPE)) == QImode \ + && (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN)) + +/* Set this non-zero if move instructions will actually fail to work + when given unaligned data. + + Since we get an error message when we do one, call them invalid. */ + +#define STRICT_ALIGNMENT 1 + +/* Set this non-zero if unaligned move instructions are extremely slow. + + On the Alpha, they trap. */ + +#define SLOW_UNALIGNED_ACCESS 1 + +/* Standard register usage. */ + +/* Number of actual hardware registers. + The hardware registers are assigned numbers for the compiler + from 0 to just below FIRST_PSEUDO_REGISTER. + All registers that the compiler knows about must be given numbers, + even those that are not normally considered general registers. + + We define all 32 integer registers, even though $31 is always zero, + and all 32 floating-point registers, even though $f31 is also + always zero. We do not bother defining the FP status register and + there are no other registers. + + Since $31 is always zero, we will use register number 31 as the + argument pointer. It will never appear in the generated code + because we will always be eliminating it in favor of the stack + pointer or hardware frame pointer. + + Likewise, we use $f31 for the frame pointer, which will always + be eliminated in favor of the hardware frame pointer or the + stack pointer. */ + +#define FIRST_PSEUDO_REGISTER 64 + +/* 1 for registers that have pervasive standard uses + and are not available for the register allocator. */ + +#define FIXED_REGISTERS \ + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, \ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 } + +/* 1 for registers not available across function calls. + These must include the FIXED_REGISTERS and also any + registers that can be used without being saved. + The latter must include the registers where values are returned + and the register where structure-value addresses are passed. + Aside from that, you can include as many other registers as you like. */ +#define CALL_USED_REGISTERS \ + {1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, \ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, \ + 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, \ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 } + +/* List the order in which to allocate registers. Each register must be + listed once, even those in FIXED_REGISTERS. + + We allocate in the following order: + $f1 (nonsaved floating-point register) + $f10-$f15 (likewise) + $f22-$f30 (likewise) + $f21-$f16 (likewise, but input args) + $f0 (nonsaved, but return value) + $f2-$f9 (saved floating-point registers) + $1-$8 (nonsaved integer registers) + $22-$25 (likewise) + $28 (likewise) + $0 (likewise, but return value) + $21-$16 (likewise, but input args) + $27 (procedure value in OSF, nonsaved in NT) + $9-$14 (saved integer registers) + $26 (return PC) + $15 (frame pointer) + $29 (global pointer) + $30, $31, $f31 (stack pointer and always zero/ap & fp) */ + +#define REG_ALLOC_ORDER \ + {33, \ + 42, 43, 44, 45, 46, 47, \ + 54, 55, 56, 57, 58, 59, 60, 61, 62, \ + 53, 52, 51, 50, 49, 48, \ + 32, \ + 34, 35, 36, 37, 38, 39, 40, 41, \ + 1, 2, 3, 4, 5, 6, 7, 8, \ + 22, 23, 24, 25, \ + 28, \ + 0, \ + 21, 20, 19, 18, 17, 16, \ + 27, \ + 9, 10, 11, 12, 13, 14, \ + 26, \ + 15, \ + 29, \ + 30, 31, 63 } + +/* Return number of consecutive hard regs needed starting at reg REGNO + to hold something of mode MODE. + This is ordinarily the length in words of a value of mode MODE + but can be less for certain modes in special long registers. */ + +#define HARD_REGNO_NREGS(REGNO, MODE) \ + ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD) + +/* Value is 1 if hard register REGNO can hold a value of machine-mode MODE. + On Alpha, the integer registers can hold any mode. The floating-point + registers can hold 32-bit and 64-bit integers as well, but not 16-bit + or 8-bit values. If we only allowed the larger integers into FP registers, + we'd have to say that QImode and SImode aren't tiable, which is a + pain. So say all registers can hold everything and see how that works. */ + +#define HARD_REGNO_MODE_OK(REGNO, MODE) 1 + +/* Value is 1 if it is a good idea to tie two pseudo registers + when one has mode MODE1 and one has mode MODE2. + If HARD_REGNO_MODE_OK could produce different values for MODE1 and MODE2, + for any hard reg, then this must be 0 for correct output. */ + +#define MODES_TIEABLE_P(MODE1, MODE2) 1 + +/* Specify the registers used for certain standard purposes. + The values of these macros are register numbers. */ + +/* Alpha pc isn't overloaded on a register that the compiler knows about. */ +/* #define PC_REGNUM */ + +/* Register to use for pushing function arguments. */ +#define STACK_POINTER_REGNUM 30 + +/* Base register for access to local variables of the function. */ +#define HARD_FRAME_POINTER_REGNUM 15 + +/* Value should be nonzero if functions must have frame pointers. + Zero means the frame pointer need not be set up (and parms + may be accessed via the stack pointer) in functions that seem suitable. + This is computed in `reload', in reload1.c. */ +#define FRAME_POINTER_REQUIRED 0 + +/* Base register for access to arguments of the function. */ +#define ARG_POINTER_REGNUM 31 + +/* Base register for access to local variables of function. */ +#define FRAME_POINTER_REGNUM 63 + +/* Register in which static-chain is passed to a function. + + For the Alpha, this is based on an example; the calling sequence + doesn't seem to specify this. */ +#define STATIC_CHAIN_REGNUM 1 + +/* Register in which address to store a structure value + arrives in the function. On the Alpha, the address is passed + as a hidden argument. */ +#define STRUCT_VALUE 0 + +/* Define the classes of registers for register constraints in the + machine description. Also define ranges of constants. + + One of the classes must always be named ALL_REGS and include all hard regs. + If there is more than one class, another class must be named NO_REGS + and contain no registers. + + The name GENERAL_REGS must be the name of a class (or an alias for + another name such as ALL_REGS). This is the class of registers + that is allowed by "g" or "r" in a register constraint. + Also, registers outside this class are allocated only when + instructions express preferences for them. + + The classes must be numbered in nondecreasing order; that is, + a larger-numbered class must never be contained completely + in a smaller-numbered class. + + For any two classes, it is very desirable that there be another + class that represents their union. */ + +enum reg_class { NO_REGS, GENERAL_REGS, FLOAT_REGS, ALL_REGS, + LIM_REG_CLASSES }; + +#define N_REG_CLASSES (int) LIM_REG_CLASSES + +/* Give names of register classes as strings for dump file. */ + +#define REG_CLASS_NAMES \ + {"NO_REGS", "GENERAL_REGS", "FLOAT_REGS", "ALL_REGS" } + +/* Define which registers fit in which classes. + This is an initializer for a vector of HARD_REG_SET + of length N_REG_CLASSES. */ + +#define REG_CLASS_CONTENTS \ + { {0, 0}, {~0, 0x80000000}, {0, 0x7fffffff}, {~0, ~0} } + +/* The same information, inverted: + Return the class number of the smallest class containing + reg number REGNO. This could be a conditional expression + or could index an array. */ + +#define REGNO_REG_CLASS(REGNO) \ + ((REGNO) >= 32 && (REGNO) <= 62 ? FLOAT_REGS : GENERAL_REGS) + +/* The class value for index registers, and the one for base regs. */ +#define INDEX_REG_CLASS NO_REGS +#define BASE_REG_CLASS GENERAL_REGS + +/* Get reg_class from a letter such as appears in the machine description. */ + +#define REG_CLASS_FROM_LETTER(C) \ + ((C) == 'f' ? FLOAT_REGS : NO_REGS) + +/* Define this macro to change register usage conditional on target flags. */ +/* #define CONDITIONAL_REGISTER_USAGE */ + +/* The letters I, J, K, L, M, N, O, and P in a register constraint string + can be used to stand for particular ranges of immediate operands. + This macro defines what the ranges are. + C is the letter, and VALUE is a constant value. + Return 1 if VALUE is in the range specified by C. + + For Alpha: + `I' is used for the range of constants most insns can contain. + `J' is the constant zero. + `K' is used for the constant in an LDA insn. + `L' is used for the constant in a LDAH insn. + `M' is used for the constants that can be AND'ed with using a ZAP insn. + `N' is used for complemented 8-bit constants. + `O' is used for negated 8-bit constants. + `P' is used for the constants 1, 2 and 3. */ + +#define CONST_OK_FOR_LETTER_P(VALUE, C) \ + ((C) == 'I' ? (unsigned HOST_WIDE_INT) (VALUE) < 0x100 \ + : (C) == 'J' ? (VALUE) == 0 \ + : (C) == 'K' ? (unsigned HOST_WIDE_INT) ((VALUE) + 0x8000) < 0x10000 \ + : (C) == 'L' ? (((VALUE) & 0xffff) == 0 \ + && (((VALUE)) >> 31 == -1 || (VALUE) >> 31 == 0) \ + && ((HOST_BITS_PER_WIDE_INT == 64 \ + || (unsigned) (VALUE) != 0x80000000U))) \ + : (C) == 'M' ? zap_mask (VALUE) \ + : (C) == 'N' ? (unsigned HOST_WIDE_INT) (~ (VALUE)) < 0x100 \ + : (C) == 'O' ? (unsigned HOST_WIDE_INT) (- (VALUE)) < 0x100 \ + : (C) == 'P' ? (VALUE) == 1 || (VALUE) == 2 || (VALUE) == 3 \ + : 0) + +/* Similar, but for floating or large integer constants, and defining letters + G and H. Here VALUE is the CONST_DOUBLE rtx itself. + + For Alpha, `G' is the floating-point constant zero. `H' is a CONST_DOUBLE + that is the operand of a ZAP insn. */ + +#define CONST_DOUBLE_OK_FOR_LETTER_P(VALUE, C) \ + ((C) == 'G' ? (GET_MODE_CLASS (GET_MODE (VALUE)) == MODE_FLOAT \ + && (VALUE) == CONST0_RTX (GET_MODE (VALUE))) \ + : (C) == 'H' ? (GET_MODE (VALUE) == VOIDmode \ + && zap_mask (CONST_DOUBLE_LOW (VALUE)) \ + && zap_mask (CONST_DOUBLE_HIGH (VALUE))) \ + : 0) + +/* Optional extra constraints for this machine. + + For the Alpha, `Q' means that this is a memory operand but not a + reference to an unaligned location. + `R' is a SYMBOL_REF that has SYMBOL_REF_FLAG set or is the current + function. */ + +#define EXTRA_CONSTRAINT(OP, C) \ + ((C) == 'Q' ? GET_CODE (OP) == MEM && GET_CODE (XEXP (OP, 0)) != AND \ + : (C) == 'R' ? current_file_function_operand (OP, Pmode) \ + : 0) + +/* Given an rtx X being reloaded into a reg required to be + in class CLASS, return the class of reg to actually use. + In general this is just CLASS; but on some machines + in some cases it is preferable to use a more restrictive class. + + On the Alpha, all constants except zero go into a floating-point + register via memory. */ + +#define PREFERRED_RELOAD_CLASS(X, CLASS) \ + (CONSTANT_P (X) && (X) != const0_rtx && (X) != CONST0_RTX (GET_MODE (X)) \ + ? ((CLASS) == FLOAT_REGS ? NO_REGS : GENERAL_REGS) \ + : (CLASS)) + +/* Loading and storing HImode or QImode values to and from memory + usually requires a scratch register. The exceptions are loading + QImode and HImode from an aligned address to a general register. + We also cannot load an unaligned address or a paradoxical SUBREG into an + FP register. */ + +#define SECONDARY_INPUT_RELOAD_CLASS(CLASS,MODE,IN) \ +(((GET_CODE (IN) == MEM \ + || (GET_CODE (IN) == REG && REGNO (IN) >= FIRST_PSEUDO_REGISTER) \ + || (GET_CODE (IN) == SUBREG \ + && (GET_CODE (SUBREG_REG (IN)) == MEM \ + || (GET_CODE (SUBREG_REG (IN)) == REG \ + && REGNO (SUBREG_REG (IN)) >= FIRST_PSEUDO_REGISTER)))) \ + && (((CLASS) == FLOAT_REGS \ + && ((MODE) == SImode || (MODE) == HImode || (MODE) == QImode)) \ + || (((MODE) == QImode || (MODE) == HImode) \ + && unaligned_memory_operand (IN, MODE)))) \ + ? GENERAL_REGS \ + : ((CLASS) == FLOAT_REGS && GET_CODE (IN) == MEM \ + && GET_CODE (XEXP (IN, 0)) == AND) ? GENERAL_REGS \ + : ((CLASS) == FLOAT_REGS && GET_CODE (IN) == SUBREG \ + && (GET_MODE_SIZE (GET_MODE (IN)) \ + > GET_MODE_SIZE (GET_MODE (SUBREG_REG (IN))))) ? GENERAL_REGS \ + : NO_REGS) + +#define SECONDARY_OUTPUT_RELOAD_CLASS(CLASS,MODE,OUT) \ +(((GET_CODE (OUT) == MEM \ + || (GET_CODE (OUT) == REG && REGNO (OUT) >= FIRST_PSEUDO_REGISTER) \ + || (GET_CODE (OUT) == SUBREG \ + && (GET_CODE (SUBREG_REG (OUT)) == MEM \ + || (GET_CODE (SUBREG_REG (OUT)) == REG \ + && REGNO (SUBREG_REG (OUT)) >= FIRST_PSEUDO_REGISTER)))) \ + && (((MODE) == HImode || (MODE) == QImode \ + || ((MODE) == SImode && (CLASS) == FLOAT_REGS)))) \ + ? GENERAL_REGS \ + : ((CLASS) == FLOAT_REGS && GET_CODE (OUT) == MEM \ + && GET_CODE (XEXP (OUT, 0)) == AND) ? GENERAL_REGS \ + : ((CLASS) == FLOAT_REGS && GET_CODE (OUT) == SUBREG \ + && (GET_MODE_SIZE (GET_MODE (OUT)) \ + > GET_MODE_SIZE (GET_MODE (SUBREG_REG (OUT))))) ? GENERAL_REGS \ + : NO_REGS) + +/* If we are copying between general and FP registers, we need a memory + location. */ + +#define SECONDARY_MEMORY_NEEDED(CLASS1,CLASS2,MODE) ((CLASS1) != (CLASS2)) + +/* Specify the mode to be used for memory when a secondary memory + location is needed. If MODE is floating-point, use it. Otherwise, + widen to a word like the default. This is needed because we always + store integers in FP registers in quadword format. This whole + area is very tricky! */ +#define SECONDARY_MEMORY_NEEDED_MODE(MODE) \ + (GET_MODE_CLASS (MODE) == MODE_FLOAT ? (MODE) \ + : GET_MODE_SIZE (MODE) >= 4 ? (MODE) \ + : mode_for_size (BITS_PER_WORD, GET_MODE_CLASS (MODE), 0)) + +/* Return the maximum number of consecutive registers + needed to represent mode MODE in a register of class CLASS. */ + +#define CLASS_MAX_NREGS(CLASS, MODE) \ + ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD) + +/* If defined, gives a class of registers that cannot be used as the + operand of a SUBREG that changes the size of the object. */ + +#define CLASS_CANNOT_CHANGE_SIZE FLOAT_REGS + +/* Define the cost of moving between registers of various classes. Moving + between FLOAT_REGS and anything else except float regs is expensive. + In fact, we make it quite expensive because we really don't want to + do these moves unless it is clearly worth it. Optimizations may + reduce the impact of not being able to allocate a pseudo to a + hard register. */ + +#define REGISTER_MOVE_COST(CLASS1, CLASS2) \ + (((CLASS1) == FLOAT_REGS) == ((CLASS2) == FLOAT_REGS) ? 2 : 20) + +/* A C expressions returning the cost of moving data of MODE from a register to + or from memory. + + On the Alpha, bump this up a bit. */ + +#define MEMORY_MOVE_COST(MODE) 6 + +/* Provide the cost of a branch. Exact meaning under development. */ +#define BRANCH_COST 5 + +/* Adjust the cost of dependencies. */ + +#define ADJUST_COST(INSN,LINK,DEP,COST) \ + (COST) = alpha_adjust_cost (INSN, LINK, DEP, COST) + +/* Stack layout; function entry, exit and calling. */ + +/* Define this if pushing a word on the stack + makes the stack pointer a smaller address. */ +#define STACK_GROWS_DOWNWARD + +/* Define this if the nominal address of the stack frame + is at the high-address end of the local variables; + that is, each additional local variable allocated + goes at a more negative offset in the frame. */ +/* #define FRAME_GROWS_DOWNWARD */ + +/* Offset within stack frame to start allocating local variables at. + If FRAME_GROWS_DOWNWARD, this is the offset to the END of the + first local allocated. Otherwise, it is the offset to the BEGINNING + of the first local allocated. */ + +#define STARTING_FRAME_OFFSET 0 + +/* If we generate an insn to push BYTES bytes, + this says how many the stack pointer really advances by. + On Alpha, don't define this because there are no push insns. */ +/* #define PUSH_ROUNDING(BYTES) */ + +/* Define this if the maximum size of all the outgoing args is to be + accumulated and pushed during the prologue. The amount can be + found in the variable current_function_outgoing_args_size. */ +#define ACCUMULATE_OUTGOING_ARGS + +/* Offset of first parameter from the argument pointer register value. */ + +#define FIRST_PARM_OFFSET(FNDECL) 0 + +/* Definitions for register eliminations. + + We have two registers that can be eliminated on the Alpha. First, the + frame pointer register can often be eliminated in favor of the stack + pointer register. Secondly, the argument pointer register can always be + eliminated; it is replaced with either the stack or frame pointer. */ + +/* This is an array of structures. Each structure initializes one pair + of eliminable registers. The "from" register number is given first, + followed by "to". Eliminations of the same "from" register are listed + in order of preference. */ + +#define ELIMINABLE_REGS \ +{{ ARG_POINTER_REGNUM, STACK_POINTER_REGNUM}, \ + { ARG_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}, \ + { FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM}, \ + { FRAME_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}} + +/* Given FROM and TO register numbers, say whether this elimination is allowed. + Frame pointer elimination is automatically handled. + + All eliminations are valid since the cases where FP can't be + eliminated are already handled. */ + +#define CAN_ELIMINATE(FROM, TO) 1 + +/* Round up to a multiple of 16 bytes. */ +#define ALPHA_ROUND(X) (((X) + 15) & ~ 15) + +/* Define the offset between two registers, one to be eliminated, and the other + its replacement, at the start of a routine. */ +#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \ +{ if ((FROM) == FRAME_POINTER_REGNUM) \ + (OFFSET) = (ALPHA_ROUND (current_function_outgoing_args_size) \ + + alpha_sa_size ()); \ + else if ((FROM) == ARG_POINTER_REGNUM) \ + (OFFSET) = (ALPHA_ROUND (current_function_outgoing_args_size) \ + + alpha_sa_size () \ + + (ALPHA_ROUND (get_frame_size () \ + + current_function_pretend_args_size) \ + - current_function_pretend_args_size)); \ +} + +/* Define this if stack space is still allocated for a parameter passed + in a register. */ +/* #define REG_PARM_STACK_SPACE */ + +/* Value is the number of bytes of arguments automatically + popped when returning from a subroutine call. + FUNDECL is the declaration node of the function (as a tree), + FUNTYPE is the data type of the function (as a tree), + or for a library call it is an identifier node for the subroutine name. + SIZE is the number of bytes of arguments passed on the stack. */ + +#define RETURN_POPS_ARGS(FUNDECL,FUNTYPE,SIZE) 0 + +/* Define how to find the value returned by a function. + VALTYPE is the data type of the value (as a tree). + If the precise function being called is known, FUNC is its FUNCTION_DECL; + otherwise, FUNC is 0. + + On Alpha the value is found in $0 for integer functions and + $f0 for floating-point functions. */ + +#define FUNCTION_VALUE(VALTYPE, FUNC) \ + gen_rtx (REG, \ + (INTEGRAL_MODE_P (TYPE_MODE (VALTYPE)) \ + && TYPE_PRECISION (VALTYPE) < BITS_PER_WORD) \ + ? word_mode : TYPE_MODE (VALTYPE), \ + TARGET_FPREGS && TREE_CODE (VALTYPE) == REAL_TYPE ? 32 : 0) + +/* Define how to find the value returned by a library function + assuming the value has mode MODE. */ + +#define LIBCALL_VALUE(MODE) \ + gen_rtx (REG, MODE, \ + TARGET_FPREGS && GET_MODE_CLASS (MODE) == MODE_FLOAT ? 32 : 0) + +/* The definition of this macro implies that there are cases where + a scalar value cannot be returned in registers. + + For the Alpha, any structure or union type is returned in memory, as + are integers whose size is larger than 64 bits. */ + +#define RETURN_IN_MEMORY(TYPE) \ + (TYPE_MODE (TYPE) == BLKmode \ + || (TREE_CODE (TYPE) == INTEGER_TYPE && TYPE_PRECISION (TYPE) > 64)) + +/* 1 if N is a possible register number for a function value + as seen by the caller. */ + +#define FUNCTION_VALUE_REGNO_P(N) ((N) == 0 || (N) == 32) + +/* 1 if N is a possible register number for function argument passing. + On Alpha, these are $16-$21 and $f16-$f21. */ + +#define FUNCTION_ARG_REGNO_P(N) \ + (((N) >= 16 && (N) <= 21) || ((N) >= 16 + 32 && (N) <= 21 + 32)) + +/* Define a data type for recording info about an argument list + during the scan of that argument list. This data type should + hold all necessary information about the function itself + and about the args processed so far, enough to enable macros + such as FUNCTION_ARG to determine where the next arg should go. + + On Alpha, this is a single integer, which is a number of words + of arguments scanned so far. + Thus 6 or more means all following args should go on the stack. */ + +#define CUMULATIVE_ARGS int + +/* Initialize a variable CUM of type CUMULATIVE_ARGS + for a call to a function whose data type is FNTYPE. + For a library call, FNTYPE is 0. */ + +#define INIT_CUMULATIVE_ARGS(CUM,FNTYPE,LIBNAME) (CUM) = 0 + +/* Define intermediate macro to compute the size (in registers) of an argument + for the Alpha. */ + +#define ALPHA_ARG_SIZE(MODE, TYPE, NAMED) \ +((MODE) != BLKmode \ + ? (GET_MODE_SIZE (MODE) + (UNITS_PER_WORD - 1)) / UNITS_PER_WORD \ + : (int_size_in_bytes (TYPE) + (UNITS_PER_WORD - 1)) / UNITS_PER_WORD) + +/* Update the data in CUM to advance over an argument + of mode MODE and data type TYPE. + (TYPE is null for libcalls where that information may not be available.) */ + +#define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED) \ + if (MUST_PASS_IN_STACK (MODE, TYPE)) \ + (CUM) = 6; \ + else \ + (CUM) += ALPHA_ARG_SIZE (MODE, TYPE, NAMED) + +/* Determine where to put an argument to a function. + Value is zero to push the argument on the stack, + or a hard register in which to store the argument. + + MODE is the argument's machine mode. + TYPE is the data type of the argument (as a tree). + This is null for libcalls where that information may + not be available. + CUM is a variable of type CUMULATIVE_ARGS which gives info about + the preceding args and about the function being called. + NAMED is nonzero if this argument is a named parameter + (otherwise it is an extra parameter matching an ellipsis). + + On Alpha the first 6 words of args are normally in registers + and the rest are pushed. */ + +#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \ +((CUM) < 6 && ! MUST_PASS_IN_STACK (MODE, TYPE) \ + ? gen_rtx(REG, (MODE), \ + (CUM) + 16 + ((TARGET_FPREGS \ + && (GET_MODE_CLASS (MODE) == MODE_COMPLEX_FLOAT \ + || GET_MODE_CLASS (MODE) == MODE_FLOAT)) \ + * 32)) \ + : 0) + +/* Specify the padding direction of arguments. + + On the Alpha, we must pad upwards in order to be able to pass args in + registers. */ + +#define FUNCTION_ARG_PADDING(MODE, TYPE) upward + +/* For an arg passed partly in registers and partly in memory, + this is the number of registers used. + For args passed entirely in registers or entirely in memory, zero. */ + +#define FUNCTION_ARG_PARTIAL_NREGS(CUM, MODE, TYPE, NAMED) \ +((CUM) < 6 && 6 < (CUM) + ALPHA_ARG_SIZE (MODE, TYPE, NAMED) \ + ? 6 - (CUM) : 0) + +/* Perform any needed actions needed for a function that is receiving a + variable number of arguments. + + CUM is as above. + + MODE and TYPE are the mode and type of the current parameter. + + PRETEND_SIZE is a variable that should be set to the amount of stack + that must be pushed by the prolog to pretend that our caller pushed + it. + + Normally, this macro will push all remaining incoming registers on the + stack and set PRETEND_SIZE to the length of the registers pushed. + + On the Alpha, we allocate space for all 12 arg registers, but only + push those that are remaining. + + However, if NO registers need to be saved, don't allocate any space. + This is not only because we won't need the space, but because AP includes + the current_pretend_args_size and we don't want to mess up any + ap-relative addresses already made. + + If we are not to use the floating-point registers, save the integer + registers where we would put the floating-point registers. This is + not the most efficient way to implement varargs with just one register + class, but it isn't worth doing anything more efficient in this rare + case. */ + + +#define SETUP_INCOMING_VARARGS(CUM,MODE,TYPE,PRETEND_SIZE,NO_RTL) \ +{ if ((CUM) < 6) \ + { \ + if (! (NO_RTL)) \ + { \ + move_block_from_reg \ + (16 + CUM, \ + gen_rtx (MEM, BLKmode, \ + plus_constant (virtual_incoming_args_rtx, \ + ((CUM) + 6)* UNITS_PER_WORD)), \ + 6 - (CUM), (6 - (CUM)) * UNITS_PER_WORD); \ + move_block_from_reg \ + (16 + (TARGET_FPREGS ? 32 : 0) + CUM, \ + gen_rtx (MEM, BLKmode, \ + plus_constant (virtual_incoming_args_rtx, \ + (CUM) * UNITS_PER_WORD)), \ + 6 - (CUM), (6 - (CUM)) * UNITS_PER_WORD); \ + } \ + PRETEND_SIZE = 12 * UNITS_PER_WORD; \ + } \ +} + +/* Try to output insns to set TARGET equal to the constant C if it can be + done in less than N insns. Do all computations in MODE. Returns the place + where the output has been placed if it can be done and the insns have been + emitted. If it would take more than N insns, zero is returned and no + insns and emitted. */ +extern struct rtx_def *alpha_emit_set_const (); + +/* Generate necessary RTL for __builtin_saveregs(). + ARGLIST is the argument list; see expr.c. */ +extern struct rtx_def *alpha_builtin_saveregs (); +#define EXPAND_BUILTIN_SAVEREGS(ARGLIST) alpha_builtin_saveregs (ARGLIST) + +/* Define the information needed to generate branch and scc insns. This is + stored from the compare operation. Note that we can't use "rtx" here + since it hasn't been defined! */ + +extern struct rtx_def *alpha_compare_op0, *alpha_compare_op1; +extern int alpha_compare_fp_p; + +/* This macro produces the initial definition of a function name. On the + Alpha, we need to save the function name for the prologue and epilogue. */ + +extern char *alpha_function_name; + +#define ASM_DECLARE_FUNCTION_NAME(FILE,NAME,DECL) \ +{ \ + alpha_function_name = NAME; \ +} + +/* This macro generates the assembly code for function entry. + FILE is a stdio stream to output the code to. + SIZE is an int: how many units of temporary storage to allocate. + Refer to the array `regs_ever_live' to determine which registers + to save; `regs_ever_live[I]' is nonzero if register number I + is ever used in the function. This macro is responsible for + knowing which registers should not be saved even if used. */ + +#define FUNCTION_PROLOGUE(FILE, SIZE) output_prolog (FILE, SIZE) + +/* Output assembler code to FILE to increment profiler label # LABELNO + for profiling a function entry. Under OSF/1, profiling is enabled + by simply passing -pg to the assembler and linker. */ + +#define FUNCTION_PROFILER(FILE, LABELNO) + +/* Output assembler code to FILE to initialize this source file's + basic block profiling info, if that has not already been done. + This assumes that __bb_init_func doesn't garble a1-a5. */ + +#define FUNCTION_BLOCK_PROFILER(FILE, LABELNO) \ + do { \ + ASM_OUTPUT_REG_PUSH (FILE, 16); \ + fputs ("\tlda $16,$PBX32\n", (FILE)); \ + fputs ("\tldq $26,0($16)\n", (FILE)); \ + fputs ("\tbne $26,1f\n", (FILE)); \ + fputs ("\tlda $27,__bb_init_func\n", (FILE)); \ + fputs ("\tjsr $26,($27),__bb_init_func\n", (FILE)); \ + fputs ("\tldgp $29,0($26)\n", (FILE)); \ + fputs ("1:\n", (FILE)); \ + ASM_OUTPUT_REG_POP (FILE, 16); \ + } while (0); + +/* Output assembler code to FILE to increment the entry-count for + the BLOCKNO'th basic block in this source file. */ + +#define BLOCK_PROFILER(FILE, BLOCKNO) \ + do { \ + int blockn = (BLOCKNO); \ + fputs ("\tsubq $30,16,$30\n", (FILE)); \ + fputs ("\tstq $26,0($30)\n", (FILE)); \ + fputs ("\tstq $27,8($30)\n", (FILE)); \ + fputs ("\tlda $26,$PBX34\n", (FILE)); \ + fprintf ((FILE), "\tldq $27,%d($26)\n", 8*blockn); \ + fputs ("\taddq $27,1,$27\n", (FILE)); \ + fprintf ((FILE), "\tstq $27,%d($26)\n", 8*blockn); \ + fputs ("\tldq $26,0($30)\n", (FILE)); \ + fputs ("\tldq $27,8($30)\n", (FILE)); \ + fputs ("\taddq $30,16,$30\n", (FILE)); \ + } while (0) + + +/* EXIT_IGNORE_STACK should be nonzero if, when returning from a function, + the stack pointer does not matter. The value is tested only in + functions that have frame pointers. + No definition is equivalent to always zero. */ + +#define EXIT_IGNORE_STACK 1 + +/* This macro generates the assembly code for function exit, + on machines that need it. If FUNCTION_EPILOGUE is not defined + then individual return instructions are generated for each + return statement. Args are same as for FUNCTION_PROLOGUE. + + The function epilogue should not depend on the current stack pointer! + It should use the frame pointer only. This is mandatory because + of alloca; we also take advantage of it to omit stack adjustments + before returning. */ + +#define FUNCTION_EPILOGUE(FILE, SIZE) output_epilog (FILE, SIZE) + + +/* Output assembler code for a block containing the constant parts + of a trampoline, leaving space for the variable parts. + + The trampoline should set the static chain pointer to value placed + into the trampoline and should branch to the specified routine. + Note that $27 has been set to the address of the trampoline, so we can + use it for addressability of the two data items. Trampolines are always + aligned to FUNCTION_BOUNDARY, which is 64 bits. */ + +#define TRAMPOLINE_TEMPLATE(FILE) \ +{ \ + fprintf (FILE, "\tldq $1,24($27)\n"); \ + fprintf (FILE, "\tldq $27,16($27)\n"); \ + fprintf (FILE, "\tjmp $31,($27),0\n"); \ + fprintf (FILE, "\tnop\n"); \ + fprintf (FILE, "\t.quad 0,0\n"); \ +} + +/* Section in which to place the trampoline. On Alpha, instructions + may only be placed in a text segment. */ + +#define TRAMPOLINE_SECTION text_section + +/* Length in units of the trampoline for entering a nested function. */ + +#define TRAMPOLINE_SIZE 32 + +/* Emit RTL insns to initialize the variable parts of a trampoline. + FNADDR is an RTX for the address of the function's pure code. + CXT is an RTX for the static chain value for the function. We assume + here that a function will be called many more times than its address + is taken (e.g., it might be passed to qsort), so we take the trouble + to initialize the "hint" field in the JMP insn. Note that the hint + field is PC (new) + 4 * bits 13:0. */ + +#define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \ +{ \ + rtx _temp, _temp1, _addr; \ + \ + _addr = memory_address (Pmode, plus_constant ((TRAMP), 16)); \ + emit_move_insn (gen_rtx (MEM, Pmode, _addr), (FNADDR)); \ + _addr = memory_address (Pmode, plus_constant ((TRAMP), 24)); \ + emit_move_insn (gen_rtx (MEM, Pmode, _addr), (CXT)); \ + \ + _temp = force_operand (plus_constant ((TRAMP), 12), NULL_RTX); \ + _temp = expand_binop (DImode, sub_optab, (FNADDR), _temp, _temp, 1, \ + OPTAB_WIDEN); \ + _temp = expand_shift (RSHIFT_EXPR, Pmode, _temp, \ + build_int_2 (2, 0), NULL_RTX, 1); \ + _temp = expand_and (gen_lowpart (SImode, _temp), \ + GEN_INT (0x3fff), 0); \ + \ + _addr = memory_address (SImode, plus_constant ((TRAMP), 8)); \ + _temp1 = force_reg (SImode, gen_rtx (MEM, SImode, _addr)); \ + _temp1 = expand_and (_temp1, GEN_INT (0xffffc000), NULL_RTX); \ + _temp1 = expand_binop (SImode, ior_optab, _temp1, _temp, _temp1, 1, \ + OPTAB_WIDEN); \ + \ + emit_move_insn (gen_rtx (MEM, SImode, _addr), _temp1); \ + \ + emit_library_call (gen_rtx (SYMBOL_REF, Pmode, \ + "__enable_execute_stack"), \ + 0, VOIDmode, 1,_addr, Pmode); \ + \ + emit_insn (gen_rtx (UNSPEC_VOLATILE, VOIDmode, \ + gen_rtvec (1, const0_rtx), 0)); \ +} + +/* Attempt to turn on access permissions for the stack. */ + +#define TRANSFER_FROM_TRAMPOLINE \ + \ +void \ +__enable_execute_stack (addr) \ + void *addr; \ +{ \ + long size = getpagesize (); \ + long mask = ~(size-1); \ + char *page = (char *) (((long) addr) & mask); \ + char *end = (char *) ((((long) (addr + TRAMPOLINE_SIZE)) & mask) + size); \ + \ + /* 7 is PROT_READ | PROT_WRITE | PROT_EXEC */ \ + if (mprotect (page, end - page, 7) < 0) \ + perror ("mprotect of trampoline code"); \ +} + +/* A C expression whose value is RTL representing the value of the return + address for the frame COUNT steps up from the current frame. + FRAMEADDR is the frame pointer of the COUNT frame, or the frame pointer of + the COUNT-1 frame if RETURN_ADDR_IN_PREVIOUS_FRAME} is defined. + + This definition for Alpha is broken, but is put in at the request of + Mike Stump. */ + +#define RETURN_ADDR_RTX(COUNT, FRAME) \ +((COUNT == 0 && alpha_sa_size () == 0 && 0 /* not right. */) \ + ? gen_rtx (REG, Pmode, 26) \ + : gen_rtx (MEM, Pmode, \ + memory_address (Pmode, FRAME))) + +/* Addressing modes, and classification of registers for them. */ + +/* #define HAVE_POST_INCREMENT */ +/* #define HAVE_POST_DECREMENT */ + +/* #define HAVE_PRE_DECREMENT */ +/* #define HAVE_PRE_INCREMENT */ + +/* Macros to check register numbers against specific register classes. */ + +/* These assume that REGNO is a hard or pseudo reg number. + They give nonzero only if REGNO is a hard reg of the suitable class + or a pseudo reg currently allocated to a suitable hard reg. + Since they use reg_renumber, they are safe only once reg_renumber + has been allocated, which happens in local-alloc.c. */ + +#define REGNO_OK_FOR_INDEX_P(REGNO) 0 +#define REGNO_OK_FOR_BASE_P(REGNO) \ +((REGNO) < 32 || (unsigned) reg_renumber[REGNO] < 32 \ + || (REGNO) == 63 || reg_renumber[REGNO] == 63) + +/* Maximum number of registers that can appear in a valid memory address. */ +#define MAX_REGS_PER_ADDRESS 1 + +/* Recognize any constant value that is a valid address. For the Alpha, + there are only constants none since we want to use LDA to load any + symbolic addresses into registers. */ + +#define CONSTANT_ADDRESS_P(X) \ + (GET_CODE (X) == CONST_INT \ + && (unsigned HOST_WIDE_INT) (INTVAL (X) + 0x8000) < 0x10000) + +/* Include all constant integers and constant doubles, but not + floating-point, except for floating-point zero. */ + +#define LEGITIMATE_CONSTANT_P(X) \ + (GET_MODE_CLASS (GET_MODE (X)) != MODE_FLOAT \ + || (X) == CONST0_RTX (GET_MODE (X))) + +/* The macros REG_OK_FOR..._P assume that the arg is a REG rtx + and check its validity for a certain class. + We have two alternate definitions for each of them. + The usual definition accepts all pseudo regs; the other rejects + them unless they have been allocated suitable hard regs. + The symbol REG_OK_STRICT causes the latter definition to be used. + + Most source files want to accept pseudo regs in the hope that + they will get allocated to the class that the insn wants them to be in. + Source files for reload pass need to be strict. + After reload, it makes no difference, since pseudo regs have + been eliminated by then. */ + +#ifndef REG_OK_STRICT + +/* Nonzero if X is a hard reg that can be used as an index + or if it is a pseudo reg. */ +#define REG_OK_FOR_INDEX_P(X) 0 +/* Nonzero if X is a hard reg that can be used as a base reg + or if it is a pseudo reg. */ +#define REG_OK_FOR_BASE_P(X) \ + (REGNO (X) < 32 || REGNO (X) == 63 || REGNO (X) >= FIRST_PSEUDO_REGISTER) + +#else + +/* Nonzero if X is a hard reg that can be used as an index. */ +#define REG_OK_FOR_INDEX_P(X) REGNO_OK_FOR_INDEX_P (REGNO (X)) +/* Nonzero if X is a hard reg that can be used as a base reg. */ +#define REG_OK_FOR_BASE_P(X) REGNO_OK_FOR_BASE_P (REGNO (X)) + +#endif + +/* GO_IF_LEGITIMATE_ADDRESS recognizes an RTL expression + that is a valid memory address for an instruction. + The MODE argument is the machine mode for the MEM expression + that wants to use this address. + + For Alpha, we have either a constant address or the sum of a register + and a constant address, or just a register. For DImode, any of those + forms can be surrounded with an AND that clear the low-order three bits; + this is an "unaligned" access. + + First define the basic valid address. */ + +#define GO_IF_LEGITIMATE_SIMPLE_ADDRESS(MODE, X, ADDR) \ +{ if (REG_P (X) && REG_OK_FOR_BASE_P (X)) \ + goto ADDR; \ + if (CONSTANT_ADDRESS_P (X)) \ + goto ADDR; \ + if (GET_CODE (X) == PLUS \ + && REG_P (XEXP (X, 0)) \ + && REG_OK_FOR_BASE_P (XEXP (X, 0)) \ + && CONSTANT_ADDRESS_P (XEXP (X, 1))) \ + goto ADDR; \ +} + +/* Now accept the simple address, or, for DImode only, an AND of a simple + address that turns off the low three bits. */ + +#define GO_IF_LEGITIMATE_ADDRESS(MODE, X, ADDR) \ +{ GO_IF_LEGITIMATE_SIMPLE_ADDRESS (MODE, X, ADDR); \ + if ((MODE) == DImode \ + && GET_CODE (X) == AND \ + && GET_CODE (XEXP (X, 1)) == CONST_INT \ + && INTVAL (XEXP (X, 1)) == -8) \ + GO_IF_LEGITIMATE_SIMPLE_ADDRESS (MODE, XEXP (X, 0), ADDR); \ +} + +/* Try machine-dependent ways of modifying an illegitimate address + to be legitimate. If we find one, return the new, valid address. + This macro is used in only one place: `memory_address' in explow.c. + + OLDX is the address as it was before break_out_memory_refs was called. + In some cases it is useful to look at this to decide what needs to be done. + + MODE and WIN are passed so that this macro can use + GO_IF_LEGITIMATE_ADDRESS. + + It is always safe for this macro to do nothing. It exists to recognize + opportunities to optimize the output. + + For the Alpha, there are three cases we handle: + + (1) If the address is (plus reg const_int) and the CONST_INT is not a + valid offset, compute the high part of the constant and add it to the + register. Then our address is (plus temp low-part-const). + (2) If the address is (const (plus FOO const_int)), find the low-order + part of the CONST_INT. Then load FOO plus any high-order part of the + CONST_INT into a register. Our address is (plus reg low-part-const). + This is done to reduce the number of GOT entries. + (3) If we have a (plus reg const), emit the load as in (2), then add + the two registers, and finally generate (plus reg low-part-const) as + our address. */ + +#define LEGITIMIZE_ADDRESS(X,OLDX,MODE,WIN) \ +{ if (GET_CODE (X) == PLUS && GET_CODE (XEXP (X, 0)) == REG \ + && GET_CODE (XEXP (X, 1)) == CONST_INT \ + && ! CONSTANT_ADDRESS_P (XEXP (X, 1))) \ + { \ + HOST_WIDE_INT val = INTVAL (XEXP (X, 1)); \ + HOST_WIDE_INT lowpart = (val & 0xffff) - 2 * (val & 0x8000); \ + HOST_WIDE_INT highpart = val - lowpart; \ + rtx high = GEN_INT (highpart); \ + rtx temp = expand_binop (Pmode, add_optab, XEXP (x, 0), \ + high, NULL_RTX, 1, OPTAB_LIB_WIDEN); \ + \ + (X) = plus_constant (temp, lowpart); \ + goto WIN; \ + } \ + else if (GET_CODE (X) == CONST \ + && GET_CODE (XEXP (X, 0)) == PLUS \ + && GET_CODE (XEXP (XEXP (X, 0), 1)) == CONST_INT) \ + { \ + HOST_WIDE_INT val = INTVAL (XEXP (XEXP (X, 0), 1)); \ + HOST_WIDE_INT lowpart = (val & 0xffff) - 2 * (val & 0x8000); \ + HOST_WIDE_INT highpart = val - lowpart; \ + rtx high = XEXP (XEXP (X, 0), 0); \ + \ + if (highpart) \ + high = plus_constant (high, highpart); \ + \ + (X) = plus_constant (force_reg (Pmode, high), lowpart); \ + goto WIN; \ + } \ + else if (GET_CODE (X) == PLUS && GET_CODE (XEXP (X, 0)) == REG \ + && GET_CODE (XEXP (X, 1)) == CONST \ + && GET_CODE (XEXP (XEXP (X, 1), 0)) == PLUS \ + && GET_CODE (XEXP (XEXP (XEXP (X, 1), 0), 1)) == CONST_INT) \ + { \ + HOST_WIDE_INT val = INTVAL (XEXP (XEXP (XEXP (X, 1), 0), 1)); \ + HOST_WIDE_INT lowpart = (val & 0xffff) - 2 * (val & 0x8000); \ + HOST_WIDE_INT highpart = val - lowpart; \ + rtx high = XEXP (XEXP (XEXP (X, 1), 0), 0); \ + \ + if (highpart) \ + high = plus_constant (high, highpart); \ + \ + high = expand_binop (Pmode, add_optab, XEXP (X, 0), \ + force_reg (Pmode, high), \ + high, 1, OPTAB_LIB_WIDEN); \ + (X) = plus_constant (high, lowpart); \ + goto WIN; \ + } \ +} + +/* Go to LABEL if ADDR (a legitimate address expression) + has an effect that depends on the machine mode it is used for. + On the Alpha this is true only for the unaligned modes. We can + simplify this test since we know that the address must be valid. */ + +#define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR,LABEL) \ +{ if (GET_CODE (ADDR) == AND) goto LABEL; } + +/* Compute the cost of an address. For the Alpha, all valid addresses are + the same cost. */ + +#define ADDRESS_COST(X) 0 + +/* Define this if some processing needs to be done immediately before + emitting code for an insn. */ + +/* #define FINAL_PRESCAN_INSN(INSN,OPERANDS,NOPERANDS) */ + +/* Specify the machine mode that this machine uses + for the index in the tablejump instruction. */ +#define CASE_VECTOR_MODE SImode + +/* Define this if the tablejump instruction expects the table + to contain offsets from the address of the table. + Do not define this if the table should contain absolute addresses. + On the Alpha, the table is really GP-relative, not relative to the PC + of the table, but we pretend that it is PC-relative; this should be OK, + but we should try to find some better way sometime. */ +#define CASE_VECTOR_PC_RELATIVE + +/* Specify the tree operation to be used to convert reals to integers. */ +#define IMPLICIT_FIX_EXPR FIX_ROUND_EXPR + +/* This is the kind of divide that is easiest to do in the general case. */ +#define EASY_DIV_EXPR TRUNC_DIV_EXPR + +/* Define this as 1 if `char' should by default be signed; else as 0. */ +#define DEFAULT_SIGNED_CHAR 1 + +/* This flag, if defined, says the same insns that convert to a signed fixnum + also convert validly to an unsigned one. + + We actually lie a bit here as overflow conditions are different. But + they aren't being checked anyway. */ + +#define FIXUNS_TRUNC_LIKE_FIX_TRUNC + +/* Max number of bytes we can move to or from memory + in one reasonably fast instruction. */ + +#define MOVE_MAX 8 + +/* Largest number of bytes of an object that can be placed in a register. + On the Alpha we have plenty of registers, so use TImode. */ +#define MAX_FIXED_MODE_SIZE GET_MODE_BITSIZE (TImode) + +/* Nonzero if access to memory by bytes is no faster than for words. + Also non-zero if doing byte operations (specifically shifts) in registers + is undesirable. + + On the Alpha, we want to not use the byte operation and instead use + masking operations to access fields; these will save instructions. */ + +#define SLOW_BYTE_ACCESS 1 + +/* Define if operations between registers always perform the operation + on the full register even if a narrower mode is specified. */ +#define WORD_REGISTER_OPERATIONS + +/* Define if loading in MODE, an integral mode narrower than BITS_PER_WORD + will either zero-extend or sign-extend. The value of this macro should + be the code that says which one of the two operations is implicitly + done, NIL if none. */ +#define LOAD_EXTEND_OP(MODE) SIGN_EXTEND + +/* Define if loading short immediate values into registers sign extends. */ +#define SHORT_IMMEDIATES_SIGN_EXTEND + +/* Value is 1 if truncating an integer of INPREC bits to OUTPREC bits + is done just by pretending it is already truncated. */ +#define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) 1 + +/* We assume that the store-condition-codes instructions store 0 for false + and some other value for true. This is the value stored for true. */ + +#define STORE_FLAG_VALUE 1 + +/* Define the value returned by a floating-point comparison instruction. */ + +#define FLOAT_STORE_FLAG_VALUE 0.5 + +/* Canonicalize a comparison from one we don't have to one we do have. */ + +#define CANONICALIZE_COMPARISON(CODE,OP0,OP1) \ + do { \ + if (((CODE) == GE || (CODE) == GT || (CODE) == GEU || (CODE) == GTU) \ + && (GET_CODE (OP1) == REG || (OP1) == const0_rtx)) \ + { \ + rtx tem = (OP0); \ + (OP0) = (OP1); \ + (OP1) = tem; \ + (CODE) = swap_condition (CODE); \ + } \ + if (((CODE) == LT || (CODE) == LTU) \ + && GET_CODE (OP1) == CONST_INT && INTVAL (OP1) == 256) \ + { \ + (CODE) = (CODE) == LT ? LE : LEU; \ + (OP1) = GEN_INT (255); \ + } \ + } while (0) + +/* Specify the machine mode that pointers have. + After generation of rtl, the compiler makes no further distinction + between pointers and any other objects of this machine mode. */ +#define Pmode DImode + +/* Mode of a function address in a call instruction (for indexing purposes). */ + +#define FUNCTION_MODE Pmode + +/* Define this if addresses of constant functions + shouldn't be put through pseudo regs where they can be cse'd. + Desirable on machines where ordinary constants are expensive + but a CALL with constant address is cheap. + + We define this on the Alpha so that gen_call and gen_call_value + get to see the SYMBOL_REF (for the hint field of the jsr). It will + then copy it into a register, thus actually letting the address be + cse'ed. */ + +#define NO_FUNCTION_CSE + +/* Define this to be nonzero if shift instructions ignore all but the low-order + few bits. */ +#define SHIFT_COUNT_TRUNCATED 1 + +/* Use atexit for static constructors/destructors, instead of defining + our own exit function. */ +#define HAVE_ATEXIT + +/* Compute the cost of computing a constant rtl expression RTX + whose rtx-code is CODE. The body of this macro is a portion + of a switch statement. If the code is computed here, + return it with a return statement. Otherwise, break from the switch. + + If this is an 8-bit constant, return zero since it can be used + nearly anywhere with no cost. If it is a valid operand for an + ADD or AND, likewise return 0 if we know it will be used in that + context. Otherwise, return 2 since it might be used there later. + All other constants take at least two insns. */ + +#define CONST_COSTS(RTX,CODE,OUTER_CODE) \ + case CONST_INT: \ + if (INTVAL (RTX) >= 0 && INTVAL (RTX) < 256) \ + return 0; \ + case CONST_DOUBLE: \ + if (((OUTER_CODE) == PLUS && add_operand (RTX, VOIDmode)) \ + || ((OUTER_CODE) == AND && and_operand (RTX, VOIDmode))) \ + return 0; \ + else if (add_operand (RTX, VOIDmode) || and_operand (RTX, VOIDmode)) \ + return 2; \ + else \ + return COSTS_N_INSNS (2); \ + case CONST: \ + case SYMBOL_REF: \ + case LABEL_REF: \ + return COSTS_N_INSNS (3); + +/* Provide the costs of a rtl expression. This is in the body of a + switch on CODE. */ + +#define RTX_COSTS(X,CODE,OUTER_CODE) \ + case PLUS: case MINUS: \ + if (FLOAT_MODE_P (GET_MODE (X))) \ + return COSTS_N_INSNS (6); \ + else if (GET_CODE (XEXP (X, 0)) == MULT \ + && const48_operand (XEXP (XEXP (X, 0), 1), VOIDmode)) \ + return (2 + rtx_cost (XEXP (XEXP (X, 0), 0), OUTER_CODE) \ + + rtx_cost (XEXP (X, 1), OUTER_CODE)); \ + break; \ + case MULT: \ + if (FLOAT_MODE_P (GET_MODE (X))) \ + return COSTS_N_INSNS (6); \ + return COSTS_N_INSNS (23); \ + case ASHIFT: \ + if (GET_CODE (XEXP (X, 1)) == CONST_INT \ + && INTVAL (XEXP (X, 1)) <= 3) \ + break; \ + /* ... fall through ... */ \ + case ASHIFTRT: case LSHIFTRT: case IF_THEN_ELSE: \ + return COSTS_N_INSNS (2); \ + case DIV: case UDIV: case MOD: case UMOD: \ + if (GET_MODE (X) == SFmode) \ + return COSTS_N_INSNS (34); \ + else if (GET_MODE (X) == DFmode) \ + return COSTS_N_INSNS (63); \ + else \ + return COSTS_N_INSNS (70); \ + case MEM: \ + return COSTS_N_INSNS (3); \ + case FLOAT: case UNSIGNED_FLOAT: case FIX: case UNSIGNED_FIX: \ + case FLOAT_EXTEND: case FLOAT_TRUNCATE: \ + return COSTS_N_INSNS (6); \ + case NEG: case ABS: \ + if (FLOAT_MODE_P (GET_MODE (X))) \ + return COSTS_N_INSNS (6); \ + break; + +/* Control the assembler format that we output. */ + +/* Output at beginning of assembler file. */ + +#define ASM_FILE_START(FILE) \ +{ \ + alpha_write_verstamp (FILE); \ + fprintf (FILE, "\t.set noreorder\n"); \ + fprintf (FILE, "\t.set volatile\n"); \ + fprintf (FILE, "\t.set noat\n"); \ + ASM_OUTPUT_SOURCE_FILENAME (FILE, main_input_filename); \ +} + +/* Output to assembler file text saying following lines + may contain character constants, extra white space, comments, etc. */ + +#define ASM_APP_ON "" + +/* Output to assembler file text saying following lines + no longer contain unusual constructs. */ + +#define ASM_APP_OFF "" + +#define TEXT_SECTION_ASM_OP ".text" + +/* Output before read-only data. */ + +#define READONLY_DATA_SECTION_ASM_OP ".rdata" + +/* Output before writable data. */ + +#define DATA_SECTION_ASM_OP ".data" + +/* Define an extra section for read-only data, a routine to enter it, and + indicate that it is for read-only data. + + The first time we enter the readonly data section for a file, we write + eight bytes of zero. This works around a bug in DEC's assembler in + some versions of OSF/1 V3.x. */ + +#define EXTRA_SECTIONS readonly_data + +#define EXTRA_SECTION_FUNCTIONS \ +void \ +literal_section () \ +{ \ + if (in_section != readonly_data) \ + { \ + static int firsttime = 1; \ + \ + fprintf (asm_out_file, "%s\n", READONLY_DATA_SECTION_ASM_OP); \ + if (firsttime) \ + { \ + firsttime = 0; \ + ASM_OUTPUT_DOUBLE_INT (asm_out_file, const0_rtx); \ + } \ + \ + in_section = readonly_data; \ + } \ +} \ + +#define READONLY_DATA_SECTION literal_section + +/* If we are referencing a function that is static, make the SYMBOL_REF + special. We use this to see indicate we can branch to this function + without setting PV or restoring GP. */ + +#define ENCODE_SECTION_INFO(DECL) \ + if (TREE_CODE (DECL) == FUNCTION_DECL && ! TREE_PUBLIC (DECL)) \ + SYMBOL_REF_FLAG (XEXP (DECL_RTL (DECL), 0)) = 1; + +/* How to refer to registers in assembler output. + This sequence is indexed by compiler's hard-register-number (see above). */ + +#define REGISTER_NAMES \ +{"$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", \ + "$9", "$10", "$11", "$12", "$13", "$14", "$15", \ + "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23", \ + "$24", "$25", "$26", "$27", "$28", "$29", "$30", "AP", \ + "$f0", "$f1", "$f2", "$f3", "$f4", "$f5", "$f6", "$f7", "$f8", \ + "$f9", "$f10", "$f11", "$f12", "$f13", "$f14", "$f15", \ + "$f16", "$f17", "$f18", "$f19", "$f20", "$f21", "$f22", "$f23",\ + "$f24", "$f25", "$f26", "$f27", "$f28", "$f29", "$f30", "FP"} + +/* How to renumber registers for dbx and gdb. */ + +#define DBX_REGISTER_NUMBER(REGNO) (REGNO) + +/* This is how to output the definition of a user-level label named NAME, + such as the label on a static function or variable NAME. */ + +#define ASM_OUTPUT_LABEL(FILE,NAME) \ + do { assemble_name (FILE, NAME); fputs (":\n", FILE); } while (0) + +/* This is how to output a command to make the user-level label named NAME + defined for reference from other files. */ + +#define ASM_GLOBALIZE_LABEL(FILE,NAME) \ + do { fputs ("\t.globl ", FILE); assemble_name (FILE, NAME); fputs ("\n", FILE);} while (0) + +/* This is how to output a reference to a user-level label named NAME. + `assemble_name' uses this. */ + +#define ASM_OUTPUT_LABELREF(FILE,NAME) \ + fprintf (FILE, "%s", NAME) + +/* This is how to output an internal numbered label where + PREFIX is the class of label and NUM is the number within the class. */ + +#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \ + if ((PREFIX)[0] == 'L') \ + fprintf (FILE, "$%s%d:\n", & (PREFIX)[1], NUM + 32); \ + else \ + fprintf (FILE, "%s%d:\n", PREFIX, NUM); + +/* This is how to output a label for a jump table. Arguments are the same as + for ASM_OUTPUT_INTERNAL_LABEL, except the insn for the jump table is + passed. */ + +#define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLEINSN) \ +{ ASM_OUTPUT_ALIGN (FILE, 2); ASM_OUTPUT_INTERNAL_LABEL (FILE, PREFIX, NUM); } + +/* This is how to store into the string LABEL + the symbol_ref name of an internal numbered label where + PREFIX is the class of label and NUM is the number within the class. + This is suitable for output with `assemble_name'. */ + +#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ + if ((PREFIX)[0] == 'L') \ + sprintf (LABEL, "*$%s%d", & (PREFIX)[1], NUM + 32); \ + else \ + sprintf (LABEL, "*%s%d", PREFIX, NUM) + +/* This is how to output an assembler line defining a `double' constant. */ + +#define ASM_OUTPUT_DOUBLE(FILE,VALUE) \ + { \ + if (REAL_VALUE_ISINF (VALUE) \ + || REAL_VALUE_ISNAN (VALUE) \ + || REAL_VALUE_MINUS_ZERO (VALUE)) \ + { \ + long t[2]; \ + REAL_VALUE_TO_TARGET_DOUBLE ((VALUE), t); \ + fprintf (FILE, "\t.quad 0x%lx%08lx\n", \ + t[1] & 0xffffffff, t[0] & 0xffffffff); \ + } \ + else \ + { \ + char str[30]; \ + REAL_VALUE_TO_DECIMAL (VALUE, "%.20e", str); \ + fprintf (FILE, "\t.t_floating %s\n", str); \ + } \ + } + +/* This is how to output an assembler line defining a `float' constant. */ + +#define ASM_OUTPUT_FLOAT(FILE,VALUE) \ + { \ + if (REAL_VALUE_ISINF (VALUE) \ + || REAL_VALUE_ISNAN (VALUE) \ + || REAL_VALUE_MINUS_ZERO (VALUE)) \ + { \ + long t; \ + REAL_VALUE_TO_TARGET_SINGLE ((VALUE), t); \ + fprintf (FILE, "\t.long 0x%lx\n", t & 0xffffffff); \ + } \ + else \ + { \ + char str[30]; \ + REAL_VALUE_TO_DECIMAL ((VALUE), "%.20e", str); \ + fprintf (FILE, "\t.s_floating %s\n", str); \ + } \ + } + +/* This is how to output an assembler line defining an `int' constant. */ + +#define ASM_OUTPUT_INT(FILE,VALUE) \ +( fprintf (FILE, "\t.long "), \ + output_addr_const (FILE, (VALUE)), \ + fprintf (FILE, "\n")) + +/* This is how to output an assembler line defining a `long' constant. */ + +#define ASM_OUTPUT_DOUBLE_INT(FILE,VALUE) \ +( fprintf (FILE, "\t.quad "), \ + output_addr_const (FILE, (VALUE)), \ + fprintf (FILE, "\n")) + +/* Likewise for `char' and `short' constants. */ + +#define ASM_OUTPUT_SHORT(FILE,VALUE) \ + fprintf (FILE, "\t.word %d\n", \ + (GET_CODE (VALUE) == CONST_INT \ + ? INTVAL (VALUE) & 0xffff : (abort (), 0))) + +#define ASM_OUTPUT_CHAR(FILE,VALUE) \ + fprintf (FILE, "\t.byte %d\n", \ + (GET_CODE (VALUE) == CONST_INT \ + ? INTVAL (VALUE) & 0xff : (abort (), 0))) + +/* We use the default ASCII-output routine, except that we don't write more + than 50 characters since the assembler doesn't support very long lines. */ + +#define ASM_OUTPUT_ASCII(MYFILE, MYSTRING, MYLENGTH) \ + do { \ + FILE *_hide_asm_out_file = (MYFILE); \ + unsigned char *_hide_p = (unsigned char *) (MYSTRING); \ + int _hide_thissize = (MYLENGTH); \ + int _size_so_far = 0; \ + { \ + FILE *asm_out_file = _hide_asm_out_file; \ + unsigned char *p = _hide_p; \ + int thissize = _hide_thissize; \ + int i; \ + fprintf (asm_out_file, "\t.ascii \""); \ + \ + for (i = 0; i < thissize; i++) \ + { \ + register int c = p[i]; \ + \ + if (_size_so_far ++ > 50 && i < thissize - 4) \ + _size_so_far = 0, fprintf (asm_out_file, "\"\n\t.ascii \""); \ + \ + if (c == '\"' || c == '\\') \ + putc ('\\', asm_out_file); \ + if (c >= ' ' && c < 0177) \ + putc (c, asm_out_file); \ + else \ + { \ + fprintf (asm_out_file, "\\%o", c); \ + /* After an octal-escape, if a digit follows, \ + terminate one string constant and start another. \ + The Vax assembler fails to stop reading the escape \ + after three digits, so this is the only way we \ + can get it to parse the data properly. */ \ + if (i < thissize - 1 \ + && p[i + 1] >= '0' && p[i + 1] <= '9') \ + _size_so_far = 0, fprintf (asm_out_file, "\"\n\t.ascii \""); \ + } \ + } \ + fprintf (asm_out_file, "\"\n"); \ + } \ + } \ + while (0) + +/* This is how to output an insn to push a register on the stack. + It need not be very fast code. */ + +#define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \ + fprintf (FILE, "\tsubq $30,8,$30\n\tst%s $%s%d,0($30)\n", \ + (REGNO) > 32 ? "t" : "q", (REGNO) > 32 ? "f" : "", \ + (REGNO) & 31); + +/* This is how to output an insn to pop a register from the stack. + It need not be very fast code. */ + +#define ASM_OUTPUT_REG_POP(FILE,REGNO) \ + fprintf (FILE, "\tld%s $%s%d,0($30)\n\taddq $30,8,$30\n", \ + (REGNO) > 32 ? "t" : "q", (REGNO) > 32 ? "f" : "", \ + (REGNO) & 31); + +/* This is how to output an assembler line for a numeric constant byte. */ + +#define ASM_OUTPUT_BYTE(FILE,VALUE) \ + fprintf (FILE, "\t.byte 0x%x\n", (VALUE) & 0xff) + +/* This is how to output an element of a case-vector that is absolute. + (Alpha does not use such vectors, but we must define this macro anyway.) */ + +#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) abort () + +/* This is how to output an element of a case-vector that is relative. */ + +#if WINDOWS_NT +#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \ + fprintf (FILE, "\t.long $%d\n", (VALUE) + 32) +#else +#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \ + fprintf (FILE, "\t.gprel32 $%d\n", (VALUE) + 32) +#endif + +/* This is how to output an assembler line + that says to advance the location counter + to a multiple of 2**LOG bytes. */ + +#define ASM_OUTPUT_ALIGN(FILE,LOG) \ + if ((LOG) != 0) \ + fprintf (FILE, "\t.align %d\n", LOG); + +/* This is how to advance the location counter by SIZE bytes. */ + +#define ASM_OUTPUT_SKIP(FILE,SIZE) \ + fprintf (FILE, "\t.space %d\n", (SIZE)) + +/* This says how to output an assembler line + to define a global common symbol. */ + +#define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \ +( fputs ("\t.comm ", (FILE)), \ + assemble_name ((FILE), (NAME)), \ + fprintf ((FILE), ",%d\n", (SIZE))) + +/* This says how to output an assembler line + to define a local common symbol. */ + +#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE,ROUNDED) \ +( fputs ("\t.lcomm ", (FILE)), \ + assemble_name ((FILE), (NAME)), \ + fprintf ((FILE), ",%d\n", (SIZE))) + +/* Store in OUTPUT a string (made with alloca) containing + an assembler-name for a local static variable named NAME. + LABELNO is an integer which is different for each call. */ + +#define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \ +( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 10), \ + sprintf ((OUTPUT), "%s.%d", (NAME), (LABELNO))) + +/* Define the parentheses used to group arithmetic operations + in assembler code. */ + +#define ASM_OPEN_PAREN "(" +#define ASM_CLOSE_PAREN ")" + +/* Define results of standard character escape sequences. */ +#define TARGET_BELL 007 +#define TARGET_BS 010 +#define TARGET_TAB 011 +#define TARGET_NEWLINE 012 +#define TARGET_VT 013 +#define TARGET_FF 014 +#define TARGET_CR 015 + +/* Print operand X (an rtx) in assembler syntax to file FILE. + CODE is a letter or dot (`z' in `%z0') or 0 if no letter was specified. + For `%' followed by punctuation, CODE is the punctuation and X is null. */ + +#define PRINT_OPERAND(FILE, X, CODE) print_operand (FILE, X, CODE) + +/* Determine which codes are valid without a following integer. These must + not be alphabetic. */ + +#define PRINT_OPERAND_PUNCT_VALID_P(CODE) 0 + +/* Print a memory address as an operand to reference that memory location. */ + +#define PRINT_OPERAND_ADDRESS(FILE, ADDR) \ +{ rtx addr = (ADDR); \ + int basereg = 31; \ + HOST_WIDE_INT offset = 0; \ + \ + if (GET_CODE (addr) == AND) \ + addr = XEXP (addr, 0); \ + \ + if (GET_CODE (addr) == REG) \ + basereg = REGNO (addr); \ + else if (GET_CODE (addr) == CONST_INT) \ + offset = INTVAL (addr); \ + else if (GET_CODE (addr) == PLUS \ + && GET_CODE (XEXP (addr, 0)) == REG \ + && GET_CODE (XEXP (addr, 1)) == CONST_INT) \ + basereg = REGNO (XEXP (addr, 0)), offset = INTVAL (XEXP (addr, 1)); \ + else \ + abort (); \ + \ + fprintf (FILE, "%d($%d)", offset, basereg); \ +} +/* Define the codes that are matched by predicates in alpha.c. */ + +#define PREDICATE_CODES \ + {"reg_or_0_operand", {SUBREG, REG, CONST_INT}}, \ + {"reg_or_6bit_operand", {SUBREG, REG, CONST_INT}}, \ + {"reg_or_8bit_operand", {SUBREG, REG, CONST_INT}}, \ + {"cint8_operand", {CONST_INT}}, \ + {"reg_or_cint_operand", {SUBREG, REG, CONST_INT}}, \ + {"add_operand", {SUBREG, REG, CONST_INT}}, \ + {"sext_add_operand", {SUBREG, REG, CONST_INT}}, \ + {"const48_operand", {CONST_INT}}, \ + {"and_operand", {SUBREG, REG, CONST_INT}}, \ + {"or_operand", {SUBREG, REG, CONST_INT}}, \ + {"mode_mask_operand", {CONST_INT}}, \ + {"mul8_operand", {CONST_INT}}, \ + {"mode_width_operand", {CONST_INT}}, \ + {"reg_or_fp0_operand", {SUBREG, REG, CONST_DOUBLE}}, \ + {"alpha_comparison_operator", {EQ, LE, LT, LEU, LTU}}, \ + {"signed_comparison_operator", {EQ, NE, LE, LT, GE, GT}}, \ + {"divmod_operator", {DIV, MOD, UDIV, UMOD}}, \ + {"fp0_operand", {CONST_DOUBLE}}, \ + {"current_file_function_operand", {SYMBOL_REF}}, \ + {"call_operand", {REG, SYMBOL_REF}}, \ + {"input_operand", {SUBREG, REG, MEM, CONST_INT, CONST_DOUBLE, \ + SYMBOL_REF, CONST, LABEL_REF}}, \ + {"some_operand", {SUBREG, REG, MEM, CONST_INT, CONST_DOUBLE, \ + SYMBOL_REF, CONST, LABEL_REF}}, \ + {"aligned_memory_operand", {MEM}}, \ + {"unaligned_memory_operand", {MEM}}, \ + {"any_memory_operand", {MEM}}, + +/* Tell collect that the object format is ECOFF. */ +#define OBJECT_FORMAT_COFF +#define EXTENDED_COFF + +/* If we use NM, pass -g to it so it only lists globals. */ +#define NM_FLAGS "-pg" + +/* Definitions for debugging. */ + +#define SDB_DEBUGGING_INFO /* generate info for mips-tfile */ +#define DBX_DEBUGGING_INFO /* generate embedded stabs */ +#define MIPS_DEBUGGING_INFO /* MIPS specific debugging info */ + +#ifndef PREFERRED_DEBUGGING_TYPE /* assume SDB_DEBUGGING_INFO */ +#define PREFERRED_DEBUGGING_TYPE \ + ((len > 1 && !strncmp (str, "ggdb", len)) ? DBX_DEBUG : SDB_DEBUG) +#endif + + +/* Correct the offset of automatic variables and arguments. Note that + the Alpha debug format wants all automatic variables and arguments + to be in terms of two different offsets from the virtual frame pointer, + which is the stack pointer before any adjustment in the function. + The offset for the argument pointer is fixed for the native compiler, + it is either zero (for the no arguments case) or large enough to hold + all argument registers. + The offset for the auto pointer is the fourth argument to the .frame + directive (local_offset). + To stay compatible with the native tools we use the same offsets + from the virtual frame pointer and adjust the debugger arg/auto offsets + accordingly. These debugger offsets are set up in output_prolog. */ + +extern long alpha_arg_offset; +extern long alpha_auto_offset; +#define DEBUGGER_AUTO_OFFSET(X) \ + ((GET_CODE (X) == PLUS ? INTVAL (XEXP (X, 1)) : 0) + alpha_auto_offset) +#define DEBUGGER_ARG_OFFSET(OFFSET, X) (OFFSET + alpha_arg_offset) + + +#define ASM_OUTPUT_SOURCE_LINE(STREAM, LINE) \ + alpha_output_lineno (STREAM, LINE) +extern void alpha_output_lineno (); + +#define ASM_OUTPUT_SOURCE_FILENAME(STREAM, NAME) \ + alpha_output_filename (STREAM, NAME) +extern void alpha_output_filename (); + + +/* mips-tfile.c limits us to strings of one page. */ +#define DBX_CONTIN_LENGTH 4000 + +/* By default, turn on GDB extensions. */ +#define DEFAULT_GDB_EXTENSIONS 1 + +/* If we are smuggling stabs through the ALPHA ECOFF object + format, put a comment in front of the .stab operation so + that the ALPHA assembler does not choke. The mips-tfile program + will correctly put the stab into the object file. */ + +#define ASM_STABS_OP ((TARGET_GAS) ? ".stabs" : " #.stabs") +#define ASM_STABN_OP ((TARGET_GAS) ? ".stabn" : " #.stabn") +#define ASM_STABD_OP ((TARGET_GAS) ? ".stabd" : " #.stabd") + +/* Forward references to tags are allowed. */ +#define SDB_ALLOW_FORWARD_REFERENCES + +/* Unknown tags are also allowed. */ +#define SDB_ALLOW_UNKNOWN_REFERENCES + +#define PUT_SDB_DEF(a) \ +do { \ + fprintf (asm_out_file, "\t%s.def\t", \ + (TARGET_GAS) ? "" : "#"); \ + ASM_OUTPUT_LABELREF (asm_out_file, a); \ + fputc (';', asm_out_file); \ +} while (0) + +#define PUT_SDB_PLAIN_DEF(a) \ +do { \ + fprintf (asm_out_file, "\t%s.def\t.%s;", \ + (TARGET_GAS) ? "" : "#", (a)); \ +} while (0) + +#define PUT_SDB_TYPE(a) \ +do { \ + fprintf (asm_out_file, "\t.type\t0x%x;", (a)); \ +} while (0) + +/* For block start and end, we create labels, so that + later we can figure out where the correct offset is. + The normal .ent/.end serve well enough for functions, + so those are just commented out. */ + +extern int sdb_label_count; /* block start/end next label # */ + +#define PUT_SDB_BLOCK_START(LINE) \ +do { \ + fprintf (asm_out_file, \ + "$Lb%d:\n\t%s.begin\t$Lb%d\t%d\n", \ + sdb_label_count, \ + (TARGET_GAS) ? "" : "#", \ + sdb_label_count, \ + (LINE)); \ + sdb_label_count++; \ +} while (0) + +#define PUT_SDB_BLOCK_END(LINE) \ +do { \ + fprintf (asm_out_file, \ + "$Le%d:\n\t%s.bend\t$Le%d\t%d\n", \ + sdb_label_count, \ + (TARGET_GAS) ? "" : "#", \ + sdb_label_count, \ + (LINE)); \ + sdb_label_count++; \ +} while (0) + +#define PUT_SDB_FUNCTION_START(LINE) + +#define PUT_SDB_FUNCTION_END(LINE) + +#define PUT_SDB_EPILOGUE_END(NAME) + +/* No point in running CPP on our assembler output. */ +#if ((TARGET_DEFAULT | TARGET_CPU_DEFAULT) & MASK_GAS) != 0 +/* Don't pass -g to GNU as, because some versions don't accept this option. */ +#define ASM_SPEC "%{malpha-as:-g} -nocpp %{pg}" +#else +/* In OSF/1 v3.2c, the assembler by default does not output file names which + causes mips-tfile to fail. Passing -g to the assembler fixes this problem. + ??? Stricly speaking, we only need -g if the user specifies -g. Passing + it always means that we get slightly larger than necessary object files + if the user does not specify -g. If we don't pass -g, then mips-tfile + will need to be fixed to work in this case. */ +#define ASM_SPEC "%{!mgas:-g} -nocpp %{pg}" +#endif + +/* Specify to run a post-processor, mips-tfile after the assembler + has run to stuff the ecoff debug information into the object file. + This is needed because the Alpha assembler provides no way + of specifying such information in the assembly file. */ + +#if ((TARGET_DEFAULT | TARGET_CPU_DEFAULT) & MASK_GAS) != 0 + +#define ASM_FINAL_SPEC "\ +%{malpha-as: %{!mno-mips-tfile: \ + \n mips-tfile %{v*: -v} \ + %{K: -I %b.o~} \ + %{!K: %{save-temps: -I %b.o~}} \ + %{c:%W{o*}%{!o*:-o %b.o}}%{!c:-o %U.o} \ + %{.s:%i} %{!.s:%g.s}}}" + +#else +#define ASM_FINAL_SPEC "\ +%{!mgas: %{!mno-mips-tfile: \ + \n mips-tfile %{v*: -v} \ + %{K: -I %b.o~} \ + %{!K: %{save-temps: -I %b.o~}} \ + %{c:%W{o*}%{!o*:-o %b.o}}%{!c:-o %U.o} \ + %{.s:%i} %{!.s:%g.s}}}" + +#endif + +/* Macros for mips-tfile.c to encapsulate stabs in ECOFF, and for + mips-tdump.c to print them out. + + These must match the corresponding definitions in gdb/mipsread.c. + Unfortunately, gcc and gdb do not currently share any directories. */ + +#define CODE_MASK 0x8F300 +#define MIPS_IS_STAB(sym) (((sym)->index & 0xFFF00) == CODE_MASK) +#define MIPS_MARK_STAB(code) ((code)+CODE_MASK) +#define MIPS_UNMARK_STAB(code) ((code)-CODE_MASK) + +/* Override some mips-tfile definitions. */ + +#define SHASH_SIZE 511 +#define THASH_SIZE 55 + +/* Align ecoff symbol tables to avoid OSF1/1.3 nm complaints. */ + +#define ALIGN_SYMTABLE_OFFSET(OFFSET) (((OFFSET) + 7) & ~7) + +/* The system headers under OSF/1 are C++-aware. */ +#define NO_IMPLICIT_EXTERN_C + +/* Also define __LANGUAGE_C__ when running fix-header. */ +#define FIXPROTO_INIT(CPPFILE) cpp_define (CPPFILE, "__LANGUAGE_C__") + +/* The linker will stick __main into the .init section. */ +#define HAS_INIT_SECTION +#define LD_INIT_SWITCH "-init" +#define LD_FINI_SWITCH "-fini" + +/* We do want to link in libgcc when building shared libraries under OSF/1. */ +#define LIBGCC_SPEC "-lgcc" diff --git a/contrib/gcc/config/alpha/alpha.md b/contrib/gcc/config/alpha/alpha.md new file mode 100644 index 0000000..72c54ee --- /dev/null +++ b/contrib/gcc/config/alpha/alpha.md @@ -0,0 +1,3770 @@ +;; Machine description for DEC Alpha for GNU C compiler +;; Copyright (C) 1992, 1993, 1994, 1995 Free Software Foundation, Inc. +;; Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + +;; This file is part of GNU CC. + +;; GNU CC is free software; you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation; either version 2, or (at your option) +;; any later version. + +;; GNU CC is distributed in the hope that it will be useful, +;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;; GNU General Public License for more details. + +;; You should have received a copy of the GNU General Public License +;; along with GNU CC; see the file COPYING. If not, write to +;; the Free Software Foundation, 59 Temple Place - Suite 330, +;; Boston, MA 02111-1307, USA. + +;;- See file "rtl.def" for documentation on define_insn, match_*, et. al. + +;; Define an insn type attribute. This is used in function unit delay +;; computations, among other purposes. For the most part, we use the names +;; defined in the EV4 documentation, but add a few that we have to know about +;; separately. + +(define_attr "type" + "ld,st,ibr,fbr,jsr,iaddlog,shiftcm,icmp,imull,imulq,fpop,fdivs,fdivt,ldsym,isubr" + (const_string "shiftcm")) + +;; We include four function units: ABOX, which computes the address, +;; BBOX, used for branches, EBOX, used for integer operations, and FBOX, +;; used for FP operations. +;; +;; We assume that we have been successful in getting double issues and +;; hence multiply all costs by two insns per cycle. The minimum time in +;; a function unit is 2 cycle, which will tend to produce the double +;; issues. + +;; Memory delivers its result in three cycles. +(define_function_unit "abox" 1 0 (eq_attr "type" "ld,ldsym,st") 6 2) + +;; Branches have no delay cost, but do tie up the unit for two cycles. +(define_function_unit "bbox" 1 1 (eq_attr "type" "ibr,fbr,jsr") 4 4) + +;; Arithmetic insns are normally have their results available after two +;; cycles. There are a number of exceptions. They are encoded in +;; ADJUST_COST. Some of the other insns have similar exceptions. + +(define_function_unit "ebox" 1 0 (eq_attr "type" "iaddlog,shiftcm,icmp") 4 2) + +;; These really don't take up the integer pipeline, but they do occupy +;; IBOX1; we approximate here. + +(define_function_unit "ebox" 1 0 (eq_attr "type" "imull") 42 2) +(define_function_unit "ebox" 1 0 (eq_attr "type" "imulq") 46 2) + +(define_function_unit "imult" 1 0 (eq_attr "type" "imull") 42 38) +(define_function_unit "imult" 1 0 (eq_attr "type" "imulq") 46 42) + +(define_function_unit "fbox" 1 0 (eq_attr "type" "fpop") 12 2) + +(define_function_unit "fbox" 1 0 (eq_attr "type" "fdivs") 68 0) +(define_function_unit "fbox" 1 0 (eq_attr "type" "fdivt") 126 0) + +(define_function_unit "divider" 1 0 (eq_attr "type" "fdivs") 68 60) +(define_function_unit "divider" 1 0 (eq_attr "type" "fdivt") 126 118) + +;; First define the arithmetic insns. Note that the 32-bit forms also +;; sign-extend. + +;; Note that we can do sign extensions in both FP and integer registers. +;; However, the result must be in the same type of register as the input. +;; The register preferencing code can't handle this case very well, so, for +;; now, don't let the FP case show up here for preferencing. Also, +;; sign-extends in FP registers take two instructions. +(define_insn "extendsidi2" + [(set (match_operand:DI 0 "register_operand" "=r,r,*f") + (sign_extend:DI (match_operand:SI 1 "nonimmediate_operand" "r,m,*f")))] + "" + "@ + addl %1,$31,%0 + ldl %0,%1 + cvtql %1,%0\;cvtlq %0,%0" + [(set_attr "type" "iaddlog,ld,fpop")]) + +;; Do addsi3 the way expand_binop would do if we didn't have one. This +;; generates better code. We have the anonymous addsi3 pattern below in +;; case combine wants to make it. +(define_expand "addsi3" + [(set (match_operand:SI 0 "register_operand" "") + (plus:SI (match_operand:SI 1 "reg_or_0_operand" "") + (match_operand:SI 2 "add_operand" "")))] + "" + " +{ emit_insn (gen_rtx (SET, VOIDmode, gen_lowpart (DImode, operands[0]), + gen_rtx (PLUS, DImode, + gen_lowpart (DImode, operands[1]), + gen_lowpart (DImode, operands[2])))); + DONE; +} ") + +(define_insn "" + [(set (match_operand:SI 0 "register_operand" "=r,r,r,r") + (plus:SI (match_operand:SI 1 "reg_or_0_operand" "%rJ,rJ,rJ,rJ") + (match_operand:SI 2 "add_operand" "rI,O,K,L")))] + "" + "@ + addl %r1,%2,%0 + subl %r1,%n2,%0 + lda %0,%2(%r1) + ldah %0,%h2(%r1)" + [(set_attr "type" "iaddlog")]) + +(define_split + [(set (match_operand:SI 0 "register_operand" "") + (plus:SI (match_operand:SI 1 "register_operand" "") + (match_operand:SI 2 "const_int_operand" "")))] + "! add_operand (operands[2], SImode)" + [(set (match_dup 0) (plus:SI (match_dup 1) (match_dup 3))) + (set (match_dup 0) (plus:SI (match_dup 0) (match_dup 4)))] + " +{ + HOST_WIDE_INT val = INTVAL (operands[2]); + HOST_WIDE_INT low = (val & 0xffff) - 2 * (val & 0x8000); + HOST_WIDE_INT rest = val - low; + + operands[3] = GEN_INT (rest); + operands[4] = GEN_INT (low); +}") + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r,r") + (sign_extend:DI + (plus:SI (match_operand:SI 1 "reg_or_0_operand" "%rJ,rJ") + (match_operand:SI 2 "sext_add_operand" "rI,O"))))] + "" + "@ + addl %r1,%2,%0 + subl %r1,%n2,%0" + [(set_attr "type" "iaddlog")]) + +(define_split + [(set (match_operand:DI 0 "register_operand" "") + (sign_extend:DI + (plus:SI (match_operand:SI 1 "register_operand" "") + (match_operand:SI 2 "const_int_operand" "")))) + (clobber (match_operand:SI 3 "register_operand" ""))] + "! sext_add_operand (operands[2], SImode) && INTVAL (operands[2]) > 0 + && INTVAL (operands[2]) % 4 == 0" + [(set (match_dup 3) (match_dup 4)) + (set (match_dup 0) (sign_extend:DI (plus:SI (mult:SI (match_dup 3) + (match_dup 5)) + (match_dup 1))))] + " +{ + HOST_WIDE_INT val = INTVAL (operands[2]) / 4; + int mult = 4; + + if (val % 2 == 0) + val /= 2, mult = 8; + + operands[4] = GEN_INT (val); + operands[5] = GEN_INT (mult); +}") + +(define_split + [(set (match_operand:DI 0 "register_operand" "") + (sign_extend:DI + (plus:SI (match_operator:SI 1 "comparison_operator" + [(match_operand 2 "" "") + (match_operand 3 "" "")]) + (match_operand:SI 4 "add_operand" "")))) + (clobber (match_operand:DI 5 "register_operand" ""))] + "" + [(set (match_dup 5) (match_dup 6)) + (set (match_dup 0) (sign_extend:DI (plus:SI (match_dup 7) (match_dup 4))))] + " +{ + operands[6] = gen_rtx (GET_CODE (operands[1]), DImode, + operands[2], operands[3]); + operands[7] = gen_lowpart (SImode, operands[5]); +}") + +(define_insn "adddi3" + [(set (match_operand:DI 0 "register_operand" "=r,r,r,r") + (plus:DI (match_operand:DI 1 "reg_or_0_operand" "%rJ,rJ,rJ,rJ") + (match_operand:DI 2 "add_operand" "rI,O,K,L")))] + "" + "@ + addq %r1,%2,%0 + subq %r1,%n2,%0 + lda %0,%2(%r1) + ldah %0,%h2(%r1)" + [(set_attr "type" "iaddlog")]) + +;; Don't do this if we are adjusting SP since we don't want to do +;; it in two steps. +(define_split + [(set (match_operand:DI 0 "register_operand" "") + (plus:DI (match_operand:DI 1 "register_operand" "") + (match_operand:DI 2 "const_int_operand" "")))] + "! add_operand (operands[2], DImode) + && REGNO (operands[0]) != STACK_POINTER_REGNUM" + [(set (match_dup 0) (plus:DI (match_dup 1) (match_dup 3))) + (set (match_dup 0) (plus:DI (match_dup 0) (match_dup 4)))] + " +{ + HOST_WIDE_INT val = INTVAL (operands[2]); + HOST_WIDE_INT low = (val & 0xffff) - 2 * (val & 0x8000); + HOST_WIDE_INT rest = val - low; + + operands[3] = GEN_INT (rest); + operands[4] = GEN_INT (low); +}") + +(define_insn "" + [(set (match_operand:SI 0 "register_operand" "=r,r") + (plus:SI (mult:SI (match_operand:SI 1 "reg_or_0_operand" "rJ,rJ") + (match_operand:SI 2 "const48_operand" "I,I")) + (match_operand:SI 3 "sext_add_operand" "rI,O")))] + "" + "@ + s%2addl %r1,%3,%0 + s%2subl %r1,%n3,%0" + [(set_attr "type" "iaddlog")]) + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r,r") + (sign_extend:DI + (plus:SI (mult:SI (match_operand:SI 1 "reg_or_0_operand" "rJ,rJ") + (match_operand:SI 2 "const48_operand" "I,I")) + (match_operand:SI 3 "sext_add_operand" "rI,O"))))] + "" + "@ + s%2addl %r1,%3,%0 + s%2subl %r1,%n3,%0" + [(set_attr "type" "iaddlog")]) + +(define_split + [(set (match_operand:DI 0 "register_operand" "") + (sign_extend:DI + (plus:SI (mult:SI (match_operator:SI 1 "comparison_operator" + [(match_operand 2 "" "") + (match_operand 3 "" "")]) + (match_operand:SI 4 "const48_operand" "")) + (match_operand:SI 5 "add_operand" "")))) + (clobber (match_operand:DI 6 "register_operand" ""))] + "" + [(set (match_dup 6) (match_dup 7)) + (set (match_dup 0) + (sign_extend:DI (plus:SI (mult:SI (match_dup 8) (match_dup 4)) + (match_dup 5))))] + " +{ + operands[7] = gen_rtx (GET_CODE (operands[1]), DImode, + operands[2], operands[3]); + operands[8] = gen_lowpart (SImode, operands[6]); +}") + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r,r") + (plus:DI (mult:DI (match_operand:DI 1 "reg_or_0_operand" "rJ,rJ") + (match_operand:DI 2 "const48_operand" "I,I")) + (match_operand:DI 3 "reg_or_8bit_operand" "rI,O")))] + "" + "@ + s%2addq %r1,%3,%0 + s%2subq %1,%n3,%0" + [(set_attr "type" "iaddlog")]) + +;; These variants of the above insns can occur if the third operand +;; is the frame pointer. This is a kludge, but there doesn't +;; seem to be a way around it. Only recognize them while reloading. + +(define_insn "" + [(set (match_operand:DI 0 "some_operand" "=&r") + (plus:DI (plus:DI (match_operand:DI 1 "some_operand" "r") + (match_operand:DI 2 "some_operand" "r")) + (match_operand:DI 3 "some_operand" "rIOKL")))] + "reload_in_progress" + "#" + [(set_attr "type" "iaddlog")]) + +(define_split + [(set (match_operand:DI 0 "register_operand" "") + (plus:DI (plus:DI (match_operand:DI 1 "register_operand" "") + (match_operand:DI 2 "register_operand" "")) + (match_operand:DI 3 "add_operand" "")))] + "reload_completed" + [(set (match_dup 0) (plus:DI (match_dup 1) (match_dup 2))) + (set (match_dup 0) (plus:DI (match_dup 0) (match_dup 3)))] + "") + +(define_insn "" + [(set (match_operand:SI 0 "some_operand" "=&r") + (plus:SI (plus:SI (mult:SI (match_operand:SI 1 "some_operand" "rJ") + (match_operand:SI 2 "const48_operand" "I")) + (match_operand:SI 3 "some_operand" "r")) + (match_operand:SI 4 "some_operand" "rIOKL")))] + "reload_in_progress" + "#" + [(set_attr "type" "iaddlog")]) + +(define_split + [(set (match_operand:SI 0 "register_operand" "r") + (plus:SI (plus:SI (mult:SI (match_operand:SI 1 "reg_or_0_operand" "") + (match_operand:SI 2 "const48_operand" "")) + (match_operand:SI 3 "register_operand" "")) + (match_operand:SI 4 "add_operand" "rIOKL")))] + "reload_completed" + [(set (match_dup 0) + (plus:SI (mult:SI (match_dup 1) (match_dup 2)) (match_dup 3))) + (set (match_dup 0) (plus:SI (match_dup 0) (match_dup 4)))] + "") + +(define_insn "" + [(set (match_operand:DI 0 "some_operand" "=&r") + (sign_extend:DI + (plus:SI (plus:SI + (mult:SI (match_operand:SI 1 "some_operand" "rJ") + (match_operand:SI 2 "const48_operand" "I")) + (match_operand:SI 3 "some_operand" "r")) + (match_operand:SI 4 "some_operand" "rIOKL"))))] + "reload_in_progress" + "#" + [(set_attr "type" "iaddlog")]) + +(define_split + [(set (match_operand:DI 0 "register_operand" "") + (sign_extend:DI + (plus:SI (plus:SI + (mult:SI (match_operand:SI 1 "reg_or_0_operand" "") + (match_operand:SI 2 "const48_operand" "")) + (match_operand:SI 3 "register_operand" "")) + (match_operand:SI 4 "add_operand" ""))))] + "reload_completed" + [(set (match_dup 5) + (plus:SI (mult:SI (match_dup 1) (match_dup 2)) (match_dup 3))) + (set (match_dup 0) (sign_extend:DI (plus:SI (match_dup 5) (match_dup 4))))] + " +{ operands[5] = gen_lowpart (SImode, operands[0]); +}") + +(define_insn "" + [(set (match_operand:DI 0 "some_operand" "=&r") + (plus:DI (plus:DI (mult:DI (match_operand:DI 1 "some_operand" "rJ") + (match_operand:DI 2 "const48_operand" "I")) + (match_operand:DI 3 "some_operand" "r")) + (match_operand:DI 4 "some_operand" "rIOKL")))] + "reload_in_progress" + "#" + [(set_attr "type" "iaddlog")]) + +(define_split + [(set (match_operand:DI 0 "register_operand" "=") + (plus:DI (plus:DI (mult:DI (match_operand:DI 1 "reg_or_0_operand" "") + (match_operand:DI 2 "const48_operand" "")) + (match_operand:DI 3 "register_operand" "")) + (match_operand:DI 4 "add_operand" "")))] + "reload_completed" + [(set (match_dup 0) + (plus:DI (mult:DI (match_dup 1) (match_dup 2)) (match_dup 3))) + (set (match_dup 0) (plus:DI (match_dup 0) (match_dup 4)))] + "") + +(define_insn "negsi2" + [(set (match_operand:SI 0 "register_operand" "=r") + (neg:SI (match_operand:SI 1 "reg_or_8bit_operand" "rI")))] + "" + "subl $31,%1,%0" + [(set_attr "type" "iaddlog")]) + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (sign_extend:DI (neg:SI + (match_operand:SI 1 "reg_or_8bit_operand" "rI"))))] + "" + "subl $31,%1,%0" + [(set_attr "type" "iaddlog")]) + +(define_insn "negdi2" + [(set (match_operand:DI 0 "register_operand" "=r") + (neg:DI (match_operand:DI 1 "reg_or_8bit_operand" "rI")))] + "" + "subq $31,%1,%0" + [(set_attr "type" "iaddlog")]) + +(define_expand "subsi3" + [(set (match_operand:SI 0 "register_operand" "") + (minus:SI (match_operand:SI 1 "reg_or_0_operand" "") + (match_operand:SI 2 "reg_or_8bit_operand" "")))] + "" + " +{ emit_insn (gen_rtx (SET, VOIDmode, gen_lowpart (DImode, operands[0]), + gen_rtx (MINUS, DImode, + gen_lowpart (DImode, operands[1]), + gen_lowpart (DImode, operands[2])))); + DONE; + +} ") + +(define_insn "" + [(set (match_operand:SI 0 "register_operand" "=r") + (minus:SI (match_operand:SI 1 "reg_or_0_operand" "rJ") + (match_operand:SI 2 "reg_or_8bit_operand" "rI")))] + "" + "subl %r1,%2,%0" + [(set_attr "type" "iaddlog")]) + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (sign_extend:DI (minus:SI (match_operand:SI 1 "reg_or_0_operand" "rJ") + (match_operand:SI 2 "reg_or_8bit_operand" "rI"))))] + "" + "subl %r1,%2,%0" + [(set_attr "type" "iaddlog")]) + +(define_insn "subdi3" + [(set (match_operand:DI 0 "register_operand" "=r") + (minus:DI (match_operand:DI 1 "reg_or_0_operand" "rJ") + (match_operand:DI 2 "reg_or_8bit_operand" "rI")))] + "" + "subq %r1,%2,%0" + [(set_attr "type" "iaddlog")]) + +(define_insn "" + [(set (match_operand:SI 0 "register_operand" "=r") + (minus:SI (mult:SI (match_operand:SI 1 "reg_or_0_operand" "rJ") + (match_operand:SI 2 "const48_operand" "I")) + (match_operand:SI 3 "reg_or_8bit_operand" "rI")))] + "" + "s%2subl %r1,%3,%0" + [(set_attr "type" "iaddlog")]) + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (sign_extend:DI + (minus:SI (mult:SI (match_operand:SI 1 "reg_or_0_operand" "rJ") + (match_operand:SI 2 "const48_operand" "I")) + (match_operand:SI 3 "reg_or_8bit_operand" "rI"))))] + "" + "s%2subl %r1,%3,%0" + [(set_attr "type" "iaddlog")]) + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (minus:DI (mult:DI (match_operand:DI 1 "reg_or_0_operand" "rJ") + (match_operand:DI 2 "const48_operand" "I")) + (match_operand:DI 3 "reg_or_8bit_operand" "rI")))] + "" + "s%2subq %r1,%3,%0" + [(set_attr "type" "iaddlog")]) + +(define_insn "mulsi3" + [(set (match_operand:SI 0 "register_operand" "=r") + (mult:SI (match_operand:SI 1 "reg_or_0_operand" "%rJ") + (match_operand:SI 2 "reg_or_0_operand" "rJ")))] + "" + "mull %r1,%r2,%0" + [(set_attr "type" "imull")]) + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (sign_extend:DI (mult:SI (match_operand:SI 1 "reg_or_0_operand" "%rJ") + (match_operand:SI 2 "reg_or_0_operand" "rJ"))))] + "" + "mull %r1,%r2,%0" + [(set_attr "type" "imull")]) + +(define_insn "muldi3" + [(set (match_operand:DI 0 "register_operand" "=r") + (mult:DI (match_operand:DI 1 "reg_or_0_operand" "%rJ") + (match_operand:DI 2 "reg_or_0_operand" "rJ")))] + "" + "mulq %r1,%r2,%0" + [(set_attr "type" "imulq")]) + +(define_insn "umuldi3_highpart" + [(set (match_operand:DI 0 "register_operand" "=r") + (truncate:DI + (lshiftrt:TI + (mult:TI (zero_extend:TI (match_operand:DI 1 "register_operand" "r")) + (zero_extend:TI (match_operand:DI 2 "register_operand" "r"))) + (const_int 64))))] + "" + "umulh %1,%2,%0" + [(set_attr "type" "imulq")]) + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (truncate:DI + (lshiftrt:TI + (mult:TI (zero_extend:TI (match_operand:DI 1 "register_operand" "r")) + (match_operand:TI 2 "cint8_operand" "I")) + (const_int 64))))] + "" + "umulh %1,%2,%0" + [(set_attr "type" "imulq")]) + +;; The divide and remainder operations always take their inputs from +;; r24 and r25, put their output in r27, and clobber r23 and r28. + +(define_expand "divsi3" + [(set (reg:SI 24) (match_operand:SI 1 "input_operand" "")) + (set (reg:SI 25) (match_operand:SI 2 "input_operand" "")) + (parallel [(set (reg:SI 27) + (div:SI (reg:SI 24) + (reg:SI 25))) + (clobber (reg:DI 23)) + (clobber (reg:DI 28))]) + (set (match_operand:SI 0 "general_operand" "") + (reg:SI 27))] + "" + "") + +(define_expand "udivsi3" + [(set (reg:SI 24) (match_operand:SI 1 "input_operand" "")) + (set (reg:SI 25) (match_operand:SI 2 "input_operand" "")) + (parallel [(set (reg:SI 27) + (udiv:SI (reg:SI 24) + (reg:SI 25))) + (clobber (reg:DI 23)) + (clobber (reg:DI 28))]) + (set (match_operand:SI 0 "general_operand" "") + (reg:SI 27))] + "" + "") + +(define_expand "modsi3" + [(set (reg:SI 24) (match_operand:SI 1 "input_operand" "")) + (set (reg:SI 25) (match_operand:SI 2 "input_operand" "")) + (parallel [(set (reg:SI 27) + (mod:SI (reg:SI 24) + (reg:SI 25))) + (clobber (reg:DI 23)) + (clobber (reg:DI 28))]) + (set (match_operand:SI 0 "general_operand" "") + (reg:SI 27))] + "" + "") + +(define_expand "umodsi3" + [(set (reg:SI 24) (match_operand:SI 1 "input_operand" "")) + (set (reg:SI 25) (match_operand:SI 2 "input_operand" "")) + (parallel [(set (reg:SI 27) + (umod:SI (reg:SI 24) + (reg:SI 25))) + (clobber (reg:DI 23)) + (clobber (reg:DI 28))]) + (set (match_operand:SI 0 "general_operand" "") + (reg:SI 27))] + "" + "") + +(define_expand "divdi3" + [(set (reg:DI 24) (match_operand:DI 1 "input_operand" "")) + (set (reg:DI 25) (match_operand:DI 2 "input_operand" "")) + (parallel [(set (reg:DI 27) + (div:DI (reg:DI 24) + (reg:DI 25))) + (clobber (reg:DI 23)) + (clobber (reg:DI 28))]) + (set (match_operand:DI 0 "general_operand" "") + (reg:DI 27))] + "" + "") + +(define_expand "udivdi3" + [(set (reg:DI 24) (match_operand:DI 1 "input_operand" "")) + (set (reg:DI 25) (match_operand:DI 2 "input_operand" "")) + (parallel [(set (reg:DI 27) + (udiv:DI (reg:DI 24) + (reg:DI 25))) + (clobber (reg:DI 23)) + (clobber (reg:DI 28))]) + (set (match_operand:DI 0 "general_operand" "") + (reg:DI 27))] + "" + "") + +(define_expand "moddi3" + [(set (reg:DI 24) (match_operand:DI 1 "input_operand" "")) + (set (reg:DI 25) (match_operand:DI 2 "input_operand" "")) + (parallel [(set (reg:DI 27) + (mod:DI (reg:DI 24) + (reg:DI 25))) + (clobber (reg:DI 23)) + (clobber (reg:DI 28))]) + (set (match_operand:DI 0 "general_operand" "") + (reg:DI 27))] + "" + "") + +(define_expand "umoddi3" + [(set (reg:DI 24) (match_operand:DI 1 "input_operand" "")) + (set (reg:DI 25) (match_operand:DI 2 "input_operand" "")) + (parallel [(set (reg:DI 27) + (umod:DI (reg:DI 24) + (reg:DI 25))) + (clobber (reg:DI 23)) + (clobber (reg:DI 28))]) + (set (match_operand:DI 0 "general_operand" "") + (reg:DI 27))] + "" + "") + +(define_insn "" + [(set (reg:SI 27) + (match_operator:SI 1 "divmod_operator" + [(reg:SI 24) (reg:SI 25)])) + (clobber (reg:DI 23)) + (clobber (reg:DI 28))] + "" + "%E1 $24,$25,$27" + [(set_attr "type" "isubr")]) + +(define_insn "" + [(set (reg:DI 27) + (match_operator:DI 1 "divmod_operator" + [(reg:DI 24) (reg:DI 25)])) + (clobber (reg:DI 23)) + (clobber (reg:DI 28))] + "" + "%E1 $24,$25,$27" + [(set_attr "type" "isubr")]) + +;; Next are the basic logical operations. These only exist in DImode. + +(define_insn "anddi3" + [(set (match_operand:DI 0 "register_operand" "=r,r,r") + (and:DI (match_operand:DI 1 "reg_or_0_operand" "%rJ,rJ,rJ") + (match_operand:DI 2 "and_operand" "rI,N,MH")))] + "" + "@ + and %r1,%2,%0 + bic %r1,%N2,%0 + zapnot %r1,%m2,%0" + [(set_attr "type" "iaddlog,iaddlog,shiftcm")]) + +;; There are times when we can split and AND into two AND insns. This occurs +;; when we can first clear any bytes and then clear anything else. For +;; example "I & 0xffff07" is "(I & 0xffffff) & 0xffffffffffffff07". +;; Only to this when running on 64-bit host since the computations are +;; too messy otherwise. + +(define_split + [(set (match_operand:DI 0 "register_operand" "") + (and:DI (match_operand:DI 1 "register_operand" "") + (match_operand:DI 2 "const_int_operand" "")))] + "HOST_BITS_PER_WIDE_INT == 64 && ! and_operand (operands[2], DImode)" + [(set (match_dup 0) (and:DI (match_dup 1) (match_dup 3))) + (set (match_dup 0) (and:DI (match_dup 0) (match_dup 4)))] + " +{ + unsigned HOST_WIDE_INT mask1 = INTVAL (operands[2]); + unsigned HOST_WIDE_INT mask2 = mask1; + int i; + + /* For each byte that isn't all zeros, make it all ones. */ + for (i = 0; i < 64; i += 8) + if ((mask1 & ((HOST_WIDE_INT) 0xff << i)) != 0) + mask1 |= (HOST_WIDE_INT) 0xff << i; + + /* Now turn on any bits we've just turned off. */ + mask2 |= ~ mask1; + + operands[3] = GEN_INT (mask1); + operands[4] = GEN_INT (mask2); +}") + +(define_insn "zero_extendqihi2" + [(set (match_operand:HI 0 "register_operand" "=r") + (zero_extend:HI (match_operand:QI 1 "register_operand" "r")))] + "" + "zapnot %1,1,%0" + [(set_attr "type" "iaddlog")]) + +(define_insn "zero_extendqisi2" + [(set (match_operand:SI 0 "register_operand" "=r") + (zero_extend:SI (match_operand:QI 1 "register_operand" "r")))] + "" + "zapnot %1,1,%0" + [(set_attr "type" "iaddlog")]) + +(define_insn "zero_extendqidi2" + [(set (match_operand:DI 0 "register_operand" "=r") + (zero_extend:DI (match_operand:QI 1 "register_operand" "r")))] + "" + "zapnot %1,1,%0" + [(set_attr "type" "iaddlog")]) + +(define_insn "zero_extendhisi2" + [(set (match_operand:SI 0 "register_operand" "=r") + (zero_extend:SI (match_operand:HI 1 "register_operand" "r")))] + "" + "zapnot %1,3,%0" + [(set_attr "type" "iaddlog")]) + +(define_insn "zero_extendhidi2" + [(set (match_operand:DI 0 "register_operand" "=r") + (zero_extend:DI (match_operand:HI 1 "register_operand" "r")))] + "" + "zapnot %1,3,%0" + [(set_attr "type" "iaddlog")]) + +(define_insn "zero_extendsidi2" + [(set (match_operand:DI 0 "register_operand" "=r") + (zero_extend:DI (match_operand:SI 1 "register_operand" "r")))] + "" + "zapnot %1,15,%0" + [(set_attr "type" "iaddlog")]) + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (and:DI (not:DI (match_operand:DI 1 "reg_or_8bit_operand" "rI")) + (match_operand:DI 2 "reg_or_0_operand" "rJ")))] + "" + "bic %r2,%1,%0" + [(set_attr "type" "iaddlog")]) + +(define_insn "iordi3" + [(set (match_operand:DI 0 "register_operand" "=r,r") + (ior:DI (match_operand:DI 1 "reg_or_0_operand" "%rJ,rJ") + (match_operand:DI 2 "or_operand" "rI,N")))] + "" + "@ + bis %r1,%2,%0 + ornot %r1,%N2,%0" + [(set_attr "type" "iaddlog")]) + +(define_insn "one_cmpldi2" + [(set (match_operand:DI 0 "register_operand" "=r") + (not:DI (match_operand:DI 1 "reg_or_8bit_operand" "rI")))] + "" + "ornot $31,%1,%0" + [(set_attr "type" "iaddlog")]) + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (ior:DI (not:DI (match_operand:DI 1 "reg_or_8bit_operand" "rI")) + (match_operand:DI 2 "reg_or_0_operand" "rJ")))] + "" + "ornot %r2,%1,%0" + [(set_attr "type" "iaddlog")]) + +(define_insn "xordi3" + [(set (match_operand:DI 0 "register_operand" "=r,r") + (xor:DI (match_operand:DI 1 "reg_or_0_operand" "%rJ,rJ") + (match_operand:DI 2 "or_operand" "rI,N")))] + "" + "@ + xor %r1,%2,%0 + eqv %r1,%N2,%0" + [(set_attr "type" "iaddlog")]) + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (not:DI (xor:DI (match_operand:DI 1 "register_operand" "%rJ") + (match_operand:DI 2 "register_operand" "rI"))))] + "" + "eqv %r1,%2,%0" + [(set_attr "type" "iaddlog")]) + +;; Next come the shifts and the various extract and insert operations. + +(define_insn "ashldi3" + [(set (match_operand:DI 0 "register_operand" "=r,r") + (ashift:DI (match_operand:DI 1 "reg_or_0_operand" "rJ,rJ") + (match_operand:DI 2 "reg_or_6bit_operand" "P,rI")))] + "" + "* +{ + switch (which_alternative) + { + case 0: + if (operands[2] == const1_rtx) + return \"addq %r1,%r1,%0\"; + else + return \"s%P2addq %r1,0,%0\"; + case 1: + return \"sll %r1,%2,%0\"; + } +}" + [(set_attr "type" "iaddlog,shiftcm")]) + +;; ??? The following pattern is made by combine, but earlier phases +;; (specifically flow) can't handle it. This occurs in jump.c. Deal +;; with this in a better way at some point. +;;(define_insn "" +;; [(set (match_operand:DI 0 "register_operand" "=r") +;; (sign_extend:DI +;; (subreg:SI (ashift:DI (match_operand:DI 1 "reg_or_0_operand" "rJ") +;; (match_operand:DI 2 "const_int_operand" "P")) +;; 0)))] +;; "INTVAL (operands[2]) >= 1 && INTVAL (operands[2]) <= 3" +;; "* +;;{ +;; if (operands[2] == const1_rtx) +;; return \"addl %r1,%r1,%0\"; +;; else +;; return \"s%P2addl %r1,0,%0\"; +;; }" +;; [(set_attr "type" "iaddlog")]) + +(define_insn "lshrdi3" + [(set (match_operand:DI 0 "register_operand" "=r") + (lshiftrt:DI (match_operand:DI 1 "reg_or_0_operand" "rJ") + (match_operand:DI 2 "reg_or_6bit_operand" "rI")))] + "" + "srl %r1,%2,%0") + +(define_insn "ashrdi3" + [(set (match_operand:DI 0 "register_operand" "=r") + (ashiftrt:DI (match_operand:DI 1 "reg_or_0_operand" "rJ") + (match_operand:DI 2 "reg_or_6bit_operand" "rI")))] + "" + "sra %r1,%2,%0") + +(define_expand "extendqihi2" + [(set (match_dup 2) + (ashift:DI (match_operand:QI 1 "register_operand" "") + (const_int 56))) + (set (match_operand:HI 0 "register_operand" "") + (ashiftrt:DI (match_dup 2) + (const_int 56)))] + "" + " +{ operands[0] = gen_lowpart (DImode, operands[0]); + operands[1] = gen_lowpart (DImode, operands[1]); + operands[2] = gen_reg_rtx (DImode); +}") + +(define_expand "extendqisi2" + [(set (match_dup 2) + (ashift:DI (match_operand:QI 1 "register_operand" "") + (const_int 56))) + (set (match_operand:SI 0 "register_operand" "") + (ashiftrt:DI (match_dup 2) + (const_int 56)))] + "" + " +{ operands[0] = gen_lowpart (DImode, operands[0]); + operands[1] = gen_lowpart (DImode, operands[1]); + operands[2] = gen_reg_rtx (DImode); +}") + +(define_expand "extendqidi2" + [(set (match_dup 2) + (ashift:DI (match_operand:QI 1 "register_operand" "") + (const_int 56))) + (set (match_operand:DI 0 "register_operand" "") + (ashiftrt:DI (match_dup 2) + (const_int 56)))] + "" + " +{ operands[1] = gen_lowpart (DImode, operands[1]); + operands[2] = gen_reg_rtx (DImode); +}") + +(define_expand "extendhisi2" + [(set (match_dup 2) + (ashift:DI (match_operand:HI 1 "register_operand" "") + (const_int 48))) + (set (match_operand:SI 0 "register_operand" "") + (ashiftrt:DI (match_dup 2) + (const_int 48)))] + "" + " +{ operands[0] = gen_lowpart (DImode, operands[0]); + operands[1] = gen_lowpart (DImode, operands[1]); + operands[2] = gen_reg_rtx (DImode); +}") + +(define_expand "extendhidi2" + [(set (match_dup 2) + (ashift:DI (match_operand:HI 1 "register_operand" "") + (const_int 48))) + (set (match_operand:DI 0 "register_operand" "") + (ashiftrt:DI (match_dup 2) + (const_int 48)))] + "" + " +{ operands[1] = gen_lowpart (DImode, operands[1]); + operands[2] = gen_reg_rtx (DImode); +}") + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (zero_extract:DI (match_operand:DI 1 "reg_or_0_operand" "rJ") + (match_operand:DI 2 "mode_width_operand" "n") + (match_operand:DI 3 "mul8_operand" "I")))] + "" + "ext%M2l %r1,%s3,%0") + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (zero_extract:DI (match_operand:DI 1 "reg_or_0_operand" "rJ") + (match_operand:DI 2 "mode_width_operand" "n") + (ashift:DI (match_operand:DI 3 "reg_or_8bit_operand" "rI") + (const_int 3))))] + "" + "ext%M2l %r1,%3,%0") + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (ashift:DI + (zero_extract:DI (match_operand:DI 1 "reg_or_0_operand" "rJ") + (const_int 8) + (ashift:DI + (plus:DI + (match_operand:DI 2 "reg_or_8bit_operand" "rI") + (const_int -1)) + (const_int 3))) + (const_int 56)))] + "" + "extqh %r1,%2,%0") + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (ashift:DI + (zero_extract:DI (match_operand:DI 1 "reg_or_0_operand" "rJ") + (const_int 16) + (ashift:DI + (plus:DI + (match_operand:DI 2 "reg_or_8bit_operand" "rI") + (const_int -2)) + (const_int 3))) + (const_int 48)))] + "" + "extwh %r1,%2,%0") + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (ashift:DI + (zero_extract:DI (match_operand:DI 1 "reg_or_0_operand" "rJ") + (const_int 32) + (ashift:DI + (plus:DI + (match_operand:DI 2 "reg_or_8bit_operand" "rI") + (const_int -4)) + (const_int 3))) + (const_int 32)))] + "" + "extlh %r1,%2,%0") + +;; This converts an extXl into an extXh with an appropriate adjustment +;; to the address calculation. + +(define_split + [(set (match_operand:DI 0 "register_operand" "") + (ashift:DI (zero_extract:DI (match_operand:DI 1 "register_operand" "") + (match_operand:DI 2 "mode_width_operand" "") + (ashift:DI (match_operand:DI 3 "" "") + (const_int 3))) + (match_operand:DI 4 "const_int_operand" ""))) + (clobber (match_operand:DI 5 "register_operand" ""))] + "INTVAL (operands[4]) == 64 - INTVAL (operands[2])" + [(set (match_dup 5) (match_dup 6)) + (set (match_dup 0) + (ashift:DI (zero_extract:DI (match_dup 1) (match_dup 2) + (ashift:DI (plus:DI (match_dup 5) + (match_dup 7)) + (const_int 3))) + (match_dup 4)))] + " +{ + operands[6] = plus_constant (operands[3], + INTVAL (operands[2]) / BITS_PER_UNIT); + operands[7] = GEN_INT (- INTVAL (operands[2]) / BITS_PER_UNIT); +}") + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (ashift:DI (zero_extend:DI (match_operand:QI 1 "register_operand" "r")) + (match_operand:DI 2 "mul8_operand" "I")))] + "" + "insbl %1,%s2,%0") + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (ashift:DI (zero_extend:DI (match_operand:HI 1 "register_operand" "r")) + (match_operand:DI 2 "mul8_operand" "I")))] + "" + "inswl %1,%s2,%0") + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (ashift:DI (zero_extend:DI (match_operand:SI 1 "register_operand" "r")) + (match_operand:DI 2 "mul8_operand" "I")))] + "" + "insll %1,%s2,%0") + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (ashift:DI (zero_extend:DI (match_operand:QI 1 "register_operand" "r")) + (ashift:DI (match_operand:DI 2 "reg_or_8bit_operand" "rI") + (const_int 3))))] + "" + "insbl %1,%2,%0") + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (ashift:DI (zero_extend:DI (match_operand:HI 1 "register_operand" "r")) + (ashift:DI (match_operand:DI 2 "reg_or_8bit_operand" "rI") + (const_int 3))))] + "" + "inswl %1,%2,%0") + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (ashift:DI (zero_extend:DI (match_operand:SI 1 "register_operand" "r")) + (ashift:DI (match_operand:DI 2 "reg_or_8bit_operand" "rI") + (const_int 3))))] + "" + "insll %1,%2,%0") + +;; We do not include the insXh insns because they are complex to express +;; and it does not appear that we would ever want to generate them. + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (and:DI (not:DI (ashift:DI + (match_operand:DI 2 "mode_mask_operand" "n") + (ashift:DI + (match_operand:DI 3 "reg_or_8bit_operand" "rI") + (const_int 3)))) + (match_operand:DI 1 "reg_or_0_operand" "rJ")))] + "" + "msk%U2l %r1,%3,%0") + +;; We do not include the mskXh insns because it does not appear we would ever +;; generate one. + +;; Floating-point operations. All the double-precision insns can extend +;; from single, so indicate that. The exception are the ones that simply +;; play with the sign bits; it's not clear what to do there. + +(define_insn "abssf2" + [(set (match_operand:SF 0 "register_operand" "=f") + (abs:SF (match_operand:SF 1 "reg_or_fp0_operand" "fG")))] + "TARGET_FP" + "cpys $f31,%R1,%0" + [(set_attr "type" "fpop")]) + +(define_insn "absdf2" + [(set (match_operand:DF 0 "register_operand" "=f") + (abs:DF (match_operand:DF 1 "reg_or_fp0_operand" "fG")))] + "TARGET_FP" + "cpys $f31,%R1,%0" + [(set_attr "type" "fpop")]) + +(define_insn "negsf2" + [(set (match_operand:SF 0 "register_operand" "=f") + (neg:SF (match_operand:SF 1 "reg_or_fp0_operand" "fG")))] + "TARGET_FP" + "cpysn %R1,%R1,%0" + [(set_attr "type" "fpop")]) + +(define_insn "negdf2" + [(set (match_operand:DF 0 "register_operand" "=f") + (neg:DF (match_operand:DF 1 "reg_or_fp0_operand" "fG")))] + "TARGET_FP" + "cpysn %R1,%R1,%0" + [(set_attr "type" "fpop")]) + +(define_insn "addsf3" + [(set (match_operand:SF 0 "register_operand" "=f") + (plus:SF (match_operand:SF 1 "reg_or_fp0_operand" "%fG") + (match_operand:SF 2 "reg_or_fp0_operand" "fG")))] + "TARGET_FP" + "adds %R1,%R2,%0" + [(set_attr "type" "fpop")]) + +(define_insn "adddf3" + [(set (match_operand:DF 0 "register_operand" "=f") + (plus:DF (match_operand:DF 1 "reg_or_fp0_operand" "%fG") + (match_operand:DF 2 "reg_or_fp0_operand" "fG")))] + "TARGET_FP" + "addt %R1,%R2,%0" + [(set_attr "type" "fpop")]) + +(define_insn "" + [(set (match_operand:DF 0 "register_operand" "=f") + (plus:DF (float_extend:DF + (match_operand:SF 1 "reg_or_fp0_operand" "fG")) + (match_operand:DF 2 "reg_or_fp0_operand" "fG")))] + "TARGET_FP" + "addt %R1,%R2,%0" + [(set_attr "type" "fpop")]) + +(define_insn "" + [(set (match_operand:DF 0 "register_operand" "=f") + (plus:DF (float_extend:DF + (match_operand:SF 1 "reg_or_fp0_operand" "%fG")) + (float_extend:DF + (match_operand:SF 2 "reg_or_fp0_operand" "fG"))))] + "TARGET_FP" + "addt %R1,%R2,%0" + [(set_attr "type" "fpop")]) + +(define_insn "fix_truncdfdi2" + [(set (match_operand:DI 0 "register_operand" "=f") + (fix:DI (match_operand:DF 1 "reg_or_fp0_operand" "fG")))] + "TARGET_FP" + "cvttqc %R1,%0" + [(set_attr "type" "fpop")]) + +(define_insn "fix_truncsfdi2" + [(set (match_operand:DI 0 "register_operand" "=f") + (fix:DI (float_extend:DF + (match_operand:SF 1 "reg_or_fp0_operand" "fG"))))] + "TARGET_FP" + "cvttqc %R1,%0" + [(set_attr "type" "fpop")]) + +(define_insn "floatdisf2" + [(set (match_operand:SF 0 "register_operand" "=f") + (float:SF (match_operand:DI 1 "register_operand" "f")))] + "TARGET_FP" + "cvtqs %1,%0" + [(set_attr "type" "fpop")]) + +(define_insn "floatdidf2" + [(set (match_operand:DF 0 "register_operand" "=f") + (float:DF (match_operand:DI 1 "register_operand" "f")))] + "TARGET_FP" + "cvtqt %1,%0" + [(set_attr "type" "fpop")]) + +(define_insn "extendsfdf2" + [(set (match_operand:DF 0 "register_operand" "=f,f") + (float_extend:DF (match_operand:SF 1 "nonimmediate_operand" "f,m")))] + "TARGET_FP" + "@ + addt $f31,%1,%0 + lds %0,%1" + [(set_attr "type" "fpop,ld")]) + +(define_insn "truncdfsf2" + [(set (match_operand:SF 0 "register_operand" "=f") + (float_truncate:SF (match_operand:DF 1 "reg_or_fp0_operand" "fG")))] + "TARGET_FP" + "cvtts %R1,%0" + [(set_attr "type" "fpop")]) + +(define_insn "divsf3" + [(set (match_operand:SF 0 "register_operand" "=f") + (div:SF (match_operand:SF 1 "reg_or_fp0_operand" "fG") + (match_operand:SF 2 "reg_or_fp0_operand" "fG")))] + "TARGET_FP" + "divs %R1,%R2,%0" + [(set_attr "type" "fdivs")]) + +(define_insn "divdf3" + [(set (match_operand:DF 0 "register_operand" "=f") + (div:DF (match_operand:DF 1 "reg_or_fp0_operand" "fG") + (match_operand:DF 2 "reg_or_fp0_operand" "fG")))] + "TARGET_FP" + "divt %R1,%R2,%0" + [(set_attr "type" "fdivt")]) + +(define_insn "" + [(set (match_operand:DF 0 "register_operand" "=f") + (div:DF (float_extend:DF (match_operand:SF 1 "reg_or_fp0_operand" "fG")) + (match_operand:DF 2 "reg_or_fp0_operand" "fG")))] + "TARGET_FP" + "divt %R1,%R2,%0" + [(set_attr "type" "fdivt")]) + +(define_insn "" + [(set (match_operand:DF 0 "register_operand" "=f") + (div:DF (match_operand:DF 1 "reg_or_fp0_operand" "fG") + (float_extend:DF + (match_operand:SF 2 "reg_or_fp0_operand" "fG"))))] + "TARGET_FP" + "divt %R1,%R2,%0" + [(set_attr "type" "fdivt")]) + +(define_insn "" + [(set (match_operand:DF 0 "register_operand" "=f") + (div:DF (float_extend:DF (match_operand:SF 1 "reg_or_fp0_operand" "fG")) + (float_extend:DF (match_operand:SF 2 "reg_or_fp0_operand" "fG"))))] + "TARGET_FP" + "divt %R1,%R2,%0" + [(set_attr "type" "fdivt")]) + +(define_insn "mulsf3" + [(set (match_operand:SF 0 "register_operand" "=f") + (mult:SF (match_operand:SF 1 "reg_or_fp0_operand" "%fG") + (match_operand:SF 2 "reg_or_fp0_operand" "fG")))] + "TARGET_FP" + "muls %R1,%R2,%0" + [(set_attr "type" "fpop")]) + +(define_insn "muldf3" + [(set (match_operand:DF 0 "register_operand" "=f") + (mult:DF (match_operand:DF 1 "reg_or_fp0_operand" "%fG") + (match_operand:DF 2 "reg_or_fp0_operand" "fG")))] + "TARGET_FP" + "mult %R1,%R2,%0" + [(set_attr "type" "fpop")]) + +(define_insn "" + [(set (match_operand:DF 0 "register_operand" "=f") + (mult:DF (float_extend:DF + (match_operand:SF 1 "reg_or_fp0_operand" "fG")) + (match_operand:DF 2 "reg_or_fp0_operand" "fG")))] + "TARGET_FP" + "mult %R1,%R2,%0" + [(set_attr "type" "fpop")]) + +(define_insn "" + [(set (match_operand:DF 0 "register_operand" "=f") + (mult:DF (float_extend:DF + (match_operand:SF 1 "reg_or_fp0_operand" "%fG")) + (float_extend:DF + (match_operand:SF 2 "reg_or_fp0_operand" "fG"))))] + "TARGET_FP" + "mult %R1,%R2,%0" + [(set_attr "type" "fpop")]) + +(define_insn "subsf3" + [(set (match_operand:SF 0 "register_operand" "=f") + (minus:SF (match_operand:SF 1 "reg_or_fp0_operand" "fG") + (match_operand:SF 2 "reg_or_fp0_operand" "fG")))] + "TARGET_FP" + "subs %R1,%R2,%0" + [(set_attr "type" "fpop")]) + +(define_insn "subdf3" + [(set (match_operand:DF 0 "register_operand" "=f") + (minus:DF (match_operand:DF 1 "reg_or_fp0_operand" "fG") + (match_operand:DF 2 "reg_or_fp0_operand" "fG")))] + "TARGET_FP" + "subt %R1,%R2,%0" + [(set_attr "type" "fpop")]) + +(define_insn "" + [(set (match_operand:DF 0 "register_operand" "=f") + (minus:DF (float_extend:DF + (match_operand:SF 1 "reg_or_fp0_operand" "fG")) + (match_operand:DF 2 "reg_or_fp0_operand" "fG")))] + "TARGET_FP" + "subt %R1,%R2,%0" + [(set_attr "type" "fpop")]) + +(define_insn "" + [(set (match_operand:DF 0 "register_operand" "=f") + (minus:DF (match_operand:DF 1 "reg_or_fp0_operand" "fG") + (float_extend:DF + (match_operand:SF 2 "reg_or_fp0_operand" "fG"))))] + "TARGET_FP" + "subt %R1,%R2,%0" + [(set_attr "type" "fpop")]) + +(define_insn "" + [(set (match_operand:DF 0 "register_operand" "=f") + (minus:DF (float_extend:DF + (match_operand:SF 1 "reg_or_fp0_operand" "fG")) + (float_extend:DF + (match_operand:SF 2 "reg_or_fp0_operand" "fG"))))] + "TARGET_FP" + "subt %R1,%R2,%0" + [(set_attr "type" "fpop")]) + +;; Next are all the integer comparisons, and conditional moves and branches +;; and some of the related define_expand's and define_split's. + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (match_operator:DI 1 "alpha_comparison_operator" + [(match_operand:DI 2 "reg_or_0_operand" "rJ") + (match_operand:DI 3 "reg_or_8bit_operand" "rI")]))] + "" + "cmp%C1 %r2,%3,%0" + [(set_attr "type" "icmp")]) + +;; There are three important special-case that don't fit the above pattern +;; but which we want to handle here. + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (ne:DI (match_operand:DI 1 "register_operand" "r") + (const_int 0)))] + "" + "cmpult $31,%1,%0" + [(set_attr "type" "icmp")]) + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (gt:DI (match_operand:DI 1 "register_operand" "r") + (const_int 0)))] + "" + "cmplt $31,%1,%0" + [(set_attr "type" "icmp")]) + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (ge:DI (match_operand:DI 1 "register_operand" "r") + (const_int 0)))] + "" + "cmple $31,%1,%0" + [(set_attr "type" "icmp")]) + +;; This pattern exists so conditional moves of SImode values are handled. +;; Comparisons are still done in DImode though. + +(define_insn "" + [(set (match_operand:SI 0 "register_operand" "=r,r,r,r") + (if_then_else:DI + (match_operator 2 "signed_comparison_operator" + [(match_operand:DI 3 "reg_or_0_operand" "rJ,rJ,J,J") + (match_operand:DI 4 "reg_or_0_operand" "J,J,rJ,rJ")]) + (match_operand:SI 1 "reg_or_8bit_operand" "rI,0,rI,0") + (match_operand:SI 5 "reg_or_8bit_operand" "0,rI,0,rI")))] + "operands[3] == const0_rtx || operands[4] == const0_rtx" + "@ + cmov%C2 %r3,%1,%0 + cmov%D2 %r3,%5,%0 + cmov%c2 %r4,%1,%0 + cmov%d2 %r4,%5,%0") + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r,r,r,r") + (if_then_else:DI + (match_operator 2 "signed_comparison_operator" + [(match_operand:DI 3 "reg_or_0_operand" "rJ,rJ,J,J") + (match_operand:DI 4 "reg_or_0_operand" "J,J,rJ,rJ")]) + (match_operand:DI 1 "reg_or_8bit_operand" "rI,0,rI,0") + (match_operand:DI 5 "reg_or_8bit_operand" "0,rI,0,rI")))] + "operands[3] == const0_rtx || operands[4] == const0_rtx" + "@ + cmov%C2 %r3,%1,%0 + cmov%D2 %r3,%5,%0 + cmov%c2 %r4,%1,%0 + cmov%d2 %r4,%5,%0") + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r,r") + (if_then_else:DI + (eq (zero_extract:DI (match_operand:DI 2 "reg_or_0_operand" "rJ,rJ") + (const_int 1) + (const_int 0)) + (const_int 0)) + (match_operand:DI 1 "reg_or_8bit_operand" "rI,0") + (match_operand:DI 3 "reg_or_8bit_operand" "0,rI")))] + "" + "@ + cmovlbc %r2,%1,%0 + cmovlbs %r2,%3,%0") + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r,r") + (if_then_else:DI + (ne (zero_extract:DI (match_operand:DI 2 "reg_or_0_operand" "rJ,rJ") + (const_int 1) + (const_int 0)) + (const_int 0)) + (match_operand:DI 1 "reg_or_8bit_operand" "rI,0") + (match_operand:DI 3 "reg_or_8bit_operand" "0,rI")))] + "" + "@ + cmovlbs %r2,%1,%0 + cmovlbc %r2,%3,%0") + +;; This form is added since combine thinks that an IF_THEN_ELSE with both +;; arms constant is a single insn, so it won't try to form it if combine +;; knows they are really two insns. This occurs in divides by powers +;; of two. + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (if_then_else:DI + (match_operator 2 "signed_comparison_operator" + [(match_operand:DI 3 "reg_or_0_operand" "rJ") + (const_int 0)]) + (plus:DI (match_dup 0) + (match_operand:DI 1 "reg_or_8bit_operand" "rI")) + (match_dup 0))) + (clobber (match_scratch:DI 4 "=&r"))] + "" + "addq %0,%1,%4\;cmov%C2 %r3,%4,%0") + +(define_split + [(set (match_operand:DI 0 "register_operand" "") + (if_then_else:DI + (match_operator 2 "signed_comparison_operator" + [(match_operand:DI 3 "reg_or_0_operand" "") + (const_int 0)]) + (plus:DI (match_dup 0) + (match_operand:DI 1 "reg_or_8bit_operand" "")) + (match_dup 0))) + (clobber (match_operand:DI 4 "register_operand" ""))] + "" + [(set (match_dup 4) (plus:DI (match_dup 0) (match_dup 1))) + (set (match_dup 0) (if_then_else:DI (match_op_dup 2 + [(match_dup 3) + (const_int 0)]) + (match_dup 4) (match_dup 0)))] + "") + +(define_split + [(parallel + [(set (match_operand:DI 0 "register_operand" "") + (if_then_else:DI + (match_operator 1 "comparison_operator" + [(zero_extract:DI (match_operand:DI 2 "register_operand" "") + (const_int 1) + (match_operand:DI 3 "const_int_operand" "")) + (const_int 0)]) + (match_operand:DI 4 "reg_or_8bit_operand" "") + (match_operand:DI 5 "reg_or_8bit_operand" ""))) + (clobber (match_operand:DI 6 "register_operand" ""))])] + "INTVAL (operands[3]) != 0" + [(set (match_dup 6) + (lshiftrt:DI (match_dup 2) (match_dup 3))) + (set (match_dup 0) + (if_then_else:DI (match_op_dup 1 + [(zero_extract:DI (match_dup 6) + (const_int 1) + (const_int 0)) + (const_int 0)]) + (match_dup 4) + (match_dup 5)))] + "") + +;; For ABS, we have two choices, depending on whether the input and output +;; registers are the same or not. +(define_expand "absdi2" + [(set (match_operand:DI 0 "register_operand" "") + (abs:DI (match_operand:DI 1 "register_operand" "")))] + "" + " +{ if (rtx_equal_p (operands[0], operands[1])) + emit_insn (gen_absdi2_same (operands[0], gen_reg_rtx (DImode))); + else + emit_insn (gen_absdi2_diff (operands[0], operands[1])); + + DONE; +}") + +(define_expand "absdi2_same" + [(set (match_operand:DI 1 "register_operand" "") + (neg:DI (match_operand:DI 0 "register_operand" ""))) + (set (match_dup 0) + (if_then_else:DI (ge (match_dup 0) (const_int 0)) + (match_dup 0) + (match_dup 1)))] + "" + "") + +(define_expand "absdi2_diff" + [(set (match_operand:DI 0 "register_operand" "") + (neg:DI (match_operand:DI 1 "register_operand" ""))) + (set (match_dup 0) + (if_then_else:DI (lt (match_dup 1) (const_int 0)) + (match_dup 0) + (match_dup 1)))] + "" + "") + +(define_split + [(set (match_operand:DI 0 "register_operand" "") + (abs:DI (match_dup 0))) + (clobber (match_operand:DI 2 "register_operand" ""))] + "" + [(set (match_dup 1) (neg:DI (match_dup 0))) + (set (match_dup 0) (if_then_else:DI (ge (match_dup 0) (const_int 0)) + (match_dup 0) (match_dup 1)))] + "") + +(define_split + [(set (match_operand:DI 0 "register_operand" "") + (abs:DI (match_operand:DI 1 "register_operand" "")))] + "! rtx_equal_p (operands[0], operands[1])" + [(set (match_dup 0) (neg:DI (match_dup 1))) + (set (match_dup 0) (if_then_else:DI (lt (match_dup 1) (const_int 0)) + (match_dup 0) (match_dup 1)))] + "") + +(define_split + [(set (match_operand:DI 0 "register_operand" "") + (neg:DI (abs:DI (match_dup 0)))) + (clobber (match_operand:DI 2 "register_operand" ""))] + "" + [(set (match_dup 1) (neg:DI (match_dup 0))) + (set (match_dup 0) (if_then_else:DI (le (match_dup 0) (const_int 0)) + (match_dup 0) (match_dup 1)))] + "") + +(define_split + [(set (match_operand:DI 0 "register_operand" "") + (neg:DI (abs:DI (match_operand:DI 1 "register_operand" ""))))] + "! rtx_equal_p (operands[0], operands[1])" + [(set (match_dup 0) (neg:DI (match_dup 1))) + (set (match_dup 0) (if_then_else:DI (gt (match_dup 1) (const_int 0)) + (match_dup 0) (match_dup 1)))] + "") + +(define_expand "smaxdi3" + [(set (match_dup 3) + (le:DI (match_operand:DI 1 "reg_or_0_operand" "") + (match_operand:DI 2 "reg_or_8bit_operand" ""))) + (set (match_operand:DI 0 "register_operand" "") + (if_then_else:DI (eq (match_dup 3) (const_int 0)) + (match_dup 1) (match_dup 2)))] + "" + " +{ operands[3] = gen_reg_rtx (DImode); +}") + +(define_split + [(set (match_operand:DI 0 "register_operand" "") + (smax:DI (match_operand:DI 1 "reg_or_0_operand" "") + (match_operand:DI 2 "reg_or_8bit_operand" ""))) + (clobber (match_operand:DI 3 "register_operand" ""))] + "operands[2] != const0_rtx" + [(set (match_dup 3) (le:DI (match_dup 1) (match_dup 2))) + (set (match_dup 0) (if_then_else:DI (eq (match_dup 3) (const_int 0)) + (match_dup 1) (match_dup 2)))] + "") + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (smax:DI (match_operand:DI 1 "register_operand" "0") + (const_int 0)))] + "" + "cmovlt %0,0,%0") + +(define_expand "smindi3" + [(set (match_dup 3) + (lt:DI (match_operand:DI 1 "reg_or_0_operand" "") + (match_operand:DI 2 "reg_or_8bit_operand" ""))) + (set (match_operand:DI 0 "register_operand" "") + (if_then_else:DI (ne (match_dup 3) (const_int 0)) + (match_dup 1) (match_dup 2)))] + "" + " +{ operands[3] = gen_reg_rtx (DImode); +}") + +(define_split + [(set (match_operand:DI 0 "register_operand" "") + (smin:DI (match_operand:DI 1 "reg_or_0_operand" "") + (match_operand:DI 2 "reg_or_8bit_operand" ""))) + (clobber (match_operand:DI 3 "register_operand" ""))] + "operands[2] != const0_rtx" + [(set (match_dup 3) (lt:DI (match_dup 1) (match_dup 2))) + (set (match_dup 0) (if_then_else:DI (ne (match_dup 3) (const_int 0)) + (match_dup 1) (match_dup 2)))] + "") + +(define_insn "" + [(set (match_operand:DI 0 "register_operand" "=r") + (smin:DI (match_operand:DI 1 "register_operand" "0") + (const_int 0)))] + "" + "cmovgt %0,0,%0") + +(define_expand "umaxdi3" + [(set (match_dup 3) + (leu:DI (match_operand:DI 1 "reg_or_0_operand" "") + (match_operand:DI 2 "reg_or_8bit_operand" ""))) + (set (match_operand:DI 0 "register_operand" "") + (if_then_else:DI (eq (match_dup 3) (const_int 0)) + (match_dup 1) (match_dup 2)))] + "" + " +{ operands[3] = gen_reg_rtx (DImode); +}") + +(define_split + [(set (match_operand:DI 0 "register_operand" "") + (umax:DI (match_operand:DI 1 "reg_or_0_operand" "") + (match_operand:DI 2 "reg_or_8bit_operand" ""))) + (clobber (match_operand:DI 3 "register_operand" ""))] + "operands[2] != const0_rtx" + [(set (match_dup 3) (leu:DI (match_dup 1) (match_dup 2))) + (set (match_dup 0) (if_then_else:DI (eq (match_dup 3) (const_int 0)) + (match_dup 1) (match_dup 2)))] + "") + +(define_expand "umindi3" + [(set (match_dup 3) + (ltu:DI (match_operand:DI 1 "reg_or_0_operand" "") + (match_operand:DI 2 "reg_or_8bit_operand" ""))) + (set (match_operand:DI 0 "register_operand" "") + (if_then_else:DI (ne (match_dup 3) (const_int 0)) + (match_dup 1) (match_dup 2)))] + "" + " +{ operands[3] = gen_reg_rtx (DImode); +}") + +(define_split + [(set (match_operand:DI 0 "register_operand" "") + (umin:DI (match_operand:DI 1 "reg_or_0_operand" "") + (match_operand:DI 2 "reg_or_8bit_operand" ""))) + (clobber (match_operand:DI 3 "register_operand" ""))] + "operands[2] != const0_rtx" + [(set (match_dup 3) (ltu:DI (match_dup 1) (match_dup 2))) + (set (match_dup 0) (if_then_else:DI (ne (match_dup 3) (const_int 0)) + (match_dup 1) (match_dup 2)))] + "") + +(define_insn "" + [(set (pc) + (if_then_else + (match_operator 1 "signed_comparison_operator" + [(match_operand:DI 2 "reg_or_0_operand" "rJ") + (const_int 0)]) + (label_ref (match_operand 0 "" "")) + (pc)))] + "" + "b%C1 %r2,%0" + [(set_attr "type" "ibr")]) + +(define_insn "" + [(set (pc) + (if_then_else + (ne (zero_extract:DI (match_operand:DI 1 "reg_or_0_operand" "rJ") + (const_int 1) + (const_int 0)) + (const_int 0)) + (label_ref (match_operand 0 "" "")) + (pc)))] + "" + "blbs %r1,%0" + [(set_attr "type" "ibr")]) + +(define_insn "" + [(set (pc) + (if_then_else + (eq (zero_extract:DI (match_operand:DI 1 "reg_or_0_operand" "rJ") + (const_int 1) + (const_int 0)) + (const_int 0)) + (label_ref (match_operand 0 "" "")) + (pc)))] + "" + "blbc %r1,%0" + [(set_attr "type" "ibr")]) + +(define_split + [(parallel + [(set (pc) + (if_then_else + (match_operator 1 "comparison_operator" + [(zero_extract:DI (match_operand:DI 2 "register_operand" "") + (const_int 1) + (match_operand:DI 3 "const_int_operand" "")) + (const_int 0)]) + (label_ref (match_operand 0 "" "")) + (pc))) + (clobber (match_operand:DI 4 "register_operand" ""))])] + "INTVAL (operands[3]) != 0" + [(set (match_dup 4) + (lshiftrt:DI (match_dup 2) (match_dup 3))) + (set (pc) + (if_then_else (match_op_dup 1 + [(zero_extract:DI (match_dup 4) + (const_int 1) + (const_int 0)) + (const_int 0)]) + (label_ref (match_dup 0)) + (pc)))] + "") + +;; The following are the corresponding floating-point insns. Recall +;; we need to have variants that expand the arguments from SF mode +;; to DFmode. + +(define_insn "" + [(set (match_operand:DF 0 "register_operand" "=f") + (match_operator:DF 1 "alpha_comparison_operator" + [(match_operand:DF 2 "reg_or_fp0_operand" "fG") + (match_operand:DF 3 "reg_or_fp0_operand" "fG")]))] + "TARGET_FP" + "cmpt%C1 %R2,%R3,%0" + [(set_attr "type" "fpop")]) + +(define_insn "" + [(set (match_operand:DF 0 "register_operand" "=f") + (match_operator:DF 1 "alpha_comparison_operator" + [(float_extend:DF + (match_operand:SF 2 "reg_or_fp0_operand" "fG")) + (match_operand:DF 3 "reg_or_fp0_operand" "fG")]))] + "TARGET_FP" + "cmpt%C1 %R2,%R3,%0" + [(set_attr "type" "fpop")]) + +(define_insn "" + [(set (match_operand:DF 0 "register_operand" "=f") + (match_operator:DF 1 "alpha_comparison_operator" + [(match_operand:DF 2 "reg_or_fp0_operand" "fG") + (float_extend:DF + (match_operand:SF 3 "reg_or_fp0_operand" "fG"))]))] + "TARGET_FP" + "cmpt%C1 %R2,%R3,%0" + [(set_attr "type" "fpop")]) + +(define_insn "" + [(set (match_operand:DF 0 "register_operand" "=f") + (match_operator:DF 1 "alpha_comparison_operator" + [(float_extend:DF + (match_operand:SF 2 "reg_or_fp0_operand" "fG")) + (float_extend:DF + (match_operand:SF 3 "reg_or_fp0_operand" "fG"))]))] + "TARGET_FP" + "cmpt%C1 %R2,%R3,%0" + [(set_attr "type" "fpop")]) + +(define_insn "" + [(set (match_operand:DF 0 "register_operand" "=f,f") + (if_then_else:DF + (match_operator 3 "signed_comparison_operator" + [(match_operand:DF 4 "reg_or_fp0_operand" "fG,fG") + (match_operand:DF 2 "fp0_operand" "G,G")]) + (match_operand:DF 1 "reg_or_fp0_operand" "fG,0") + (match_operand:DF 5 "reg_or_fp0_operand" "0,fG")))] + "TARGET_FP" + "@ + fcmov%C3 %R4,%R1,%0 + fcmov%D3 %R4,%R5,%0" + [(set_attr "type" "fpop")]) + +(define_insn "" + [(set (match_operand:SF 0 "register_operand" "=f,f") + (if_then_else:SF + (match_operator 3 "signed_comparison_operator" + [(match_operand:DF 4 "reg_or_fp0_operand" "fG,fG") + (match_operand:DF 2 "fp0_operand" "G,G")]) + (match_operand:SF 1 "reg_or_fp0_operand" "fG,0") + (match_operand:SF 5 "reg_or_fp0_operand" "0,fG")))] + "TARGET_FP" + "@ + fcmov%C3 %R4,%R1,%0 + fcmov%D3 %R4,%R5,%0" + [(set_attr "type" "fpop")]) + +(define_insn "" + [(set (match_operand:DF 0 "register_operand" "=f,f") + (if_then_else:DF + (match_operator 3 "signed_comparison_operator" + [(match_operand:DF 1 "reg_or_fp0_operand" "fG,fG") + (match_operand:DF 2 "fp0_operand" "G,G")]) + (float_extend:DF (match_operand:SF 4 "reg_or_fp0_operand" "fG,0")) + (match_operand:DF 5 "reg_or_fp0_operand" "0,fG")))] + "TARGET_FP" + "@ + fcmov%C3 %R4,%R1,%0 + fcmov%D3 %R4,%R5,%0" + [(set_attr "type" "fpop")]) + +(define_insn "" + [(set (match_operand:DF 0 "register_operand" "=f,f") + (if_then_else:DF + (match_operator 3 "signed_comparison_operator" + [(float_extend:DF + (match_operand:SF 4 "reg_or_fp0_operand" "fG,fG")) + (match_operand:DF 2 "fp0_operand" "G,G")]) + (match_operand:DF 1 "reg_or_fp0_operand" "fG,0") + (match_operand:DF 5 "reg_or_fp0_operand" "0,fG")))] + "TARGET_FP" + "@ + fcmov%C3 %R4,%R1,%0 + fcmov%D3 %R4,%R5,%0" + [(set_attr "type" "fpop")]) + +(define_insn "" + [(set (match_operand:SF 0 "register_operand" "=f,f") + (if_then_else:SF + (match_operator 3 "signed_comparison_operator" + [(float_extend:DF + (match_operand:SF 4 "reg_or_fp0_operand" "fG,fG")) + (match_operand:DF 2 "fp0_operand" "G,G")]) + (match_operand:SF 1 "reg_or_fp0_operand" "fG,0") + (match_operand:SF 5 "reg_or_fp0_operand" "0,fG")))] + "TARGET_FP" + "@ + fcmov%C3 %R4,%R1,%0 + fcmov%D3 %R4,%R5,%0" + [(set_attr "type" "fpop")]) + +(define_insn "" + [(set (match_operand:DF 0 "register_operand" "=f,f") + (if_then_else:DF + (match_operator 3 "signed_comparison_operator" + [(float_extend:DF + (match_operand:SF 4 "reg_or_fp0_operand" "fG,fG")) + (match_operand:DF 2 "fp0_operand" "G,G")]) + (float_extend:DF (match_operand:SF 1 "reg_or_fp0_operand" "fG,0")) + (match_operand:DF 5 "reg_or_fp0_operand" "0,fG")))] + "TARGET_FP" + "@ + fcmov%C3 %R4,%R1,%0 + fcmov%D3 %R4,%R5,%0" + [(set_attr "type" "fpop")]) + +(define_expand "maxdf3" + [(set (match_dup 3) + (le:DF (match_operand:DF 1 "reg_or_fp0_operand" "") + (match_operand:DF 2 "reg_or_fp0_operand" ""))) + (set (match_operand:DF 0 "register_operand" "") + (if_then_else:DF (eq (match_dup 3) (match_dup 4)) + (match_dup 1) (match_dup 2)))] + "TARGET_FP" + " +{ operands[3] = gen_reg_rtx (DFmode); + operands[4] = CONST0_RTX (DFmode); +}") + +(define_expand "mindf3" + [(set (match_dup 3) + (lt:DF (match_operand:DF 1 "reg_or_fp0_operand" "") + (match_operand:DF 2 "reg_or_fp0_operand" ""))) + (set (match_operand:DF 0 "register_operand" "") + (if_then_else:DF (ne (match_dup 3) (match_dup 4)) + (match_dup 1) (match_dup 2)))] + "TARGET_FP" + " +{ operands[3] = gen_reg_rtx (DFmode); + operands[4] = CONST0_RTX (DFmode); +}") + +(define_expand "maxsf3" + [(set (match_dup 3) + (le:DF (float_extend:DF (match_operand:SF 1 "reg_or_fp0_operand" "")) + (float_extend:DF (match_operand:SF 2 "reg_or_fp0_operand" "")))) + (set (match_operand:SF 0 "register_operand" "") + (if_then_else:SF (eq (match_dup 3) (match_dup 4)) + (match_dup 1) (match_dup 2)))] + "TARGET_FP" + " +{ operands[3] = gen_reg_rtx (DFmode); + operands[4] = CONST0_RTX (DFmode); +}") + +(define_expand "minsf3" + [(set (match_dup 3) + (lt:DF (float_extend:DF (match_operand:SF 1 "reg_or_fp0_operand" "")) + (float_extend:DF (match_operand:SF 2 "reg_or_fp0_operand" "")))) + (set (match_operand:SF 0 "register_operand" "") + (if_then_else:SF (ne (match_dup 3) (match_dup 4)) + (match_dup 1) (match_dup 2)))] + "TARGET_FP" + " +{ operands[3] = gen_reg_rtx (DFmode); + operands[4] = CONST0_RTX (DFmode); +}") + +(define_insn "" + [(set (pc) + (if_then_else + (match_operator 1 "signed_comparison_operator" + [(match_operand:DF 2 "reg_or_fp0_operand" "fG") + (match_operand:DF 3 "fp0_operand" "G")]) + (label_ref (match_operand 0 "" "")) + (pc)))] + "TARGET_FP" + "fb%C1 %R2,%0" + [(set_attr "type" "fbr")]) + +(define_insn "" + [(set (pc) + (if_then_else + (match_operator 1 "signed_comparison_operator" + [(float_extend:DF + (match_operand:SF 2 "reg_or_fp0_operand" "fG")) + (match_operand:DF 3 "fp0_operand" "G")]) + (label_ref (match_operand 0 "" "")) + (pc)))] + "TARGET_FP" + "fb%C1 %R2,%0" + [(set_attr "type" "fbr")]) + +;; These are the main define_expand's used to make conditional branches +;; and compares. + +(define_expand "cmpdf" + [(set (cc0) (compare (match_operand:DF 0 "reg_or_fp0_operand" "") + (match_operand:DF 1 "reg_or_fp0_operand" "")))] + "TARGET_FP" + " +{ + alpha_compare_op0 = operands[0]; + alpha_compare_op1 = operands[1]; + alpha_compare_fp_p = 1; + DONE; +}") + +(define_expand "cmpdi" + [(set (cc0) (compare (match_operand:DI 0 "reg_or_0_operand" "") + (match_operand:DI 1 "reg_or_8bit_operand" "")))] + "" + " +{ + alpha_compare_op0 = operands[0]; + alpha_compare_op1 = operands[1]; + alpha_compare_fp_p = 0; + DONE; +}") + +(define_expand "beq" + [(set (match_dup 1) (match_dup 2)) + (set (pc) + (if_then_else (match_dup 3) + (label_ref (match_operand 0 "" "")) + (pc)))] + "" + " +{ + enum machine_mode mode; + enum rtx_code compare_code, branch_code; + + if (alpha_compare_fp_p) + mode = DFmode, compare_code = EQ, branch_code = NE; + else + { + mode = DImode, compare_code = MINUS, branch_code = EQ; + if (GET_CODE (alpha_compare_op1) == CONST_INT) + { + compare_code = PLUS; + alpha_compare_op1 = GEN_INT (- INTVAL (alpha_compare_op1)); + } + } + + operands[1] = gen_reg_rtx (mode); + operands[2] = gen_rtx (compare_code, mode, + alpha_compare_op0, alpha_compare_op1); + operands[3] = gen_rtx (branch_code, VOIDmode, + operands[1], CONST0_RTX (mode)); +}") + +(define_expand "bne" + [(set (match_dup 1) (match_dup 2)) + (set (pc) + (if_then_else (match_dup 3) + (label_ref (match_operand 0 "" "")) + (pc)))] + "" + " +{ + enum machine_mode mode; + enum rtx_code compare_code, branch_code; + + if (alpha_compare_fp_p) + mode = DFmode, compare_code = EQ, branch_code = EQ; + else + { + mode = DImode, compare_code = MINUS, branch_code = NE; + if (GET_CODE (alpha_compare_op1) == CONST_INT) + { + compare_code = PLUS; + alpha_compare_op1 = GEN_INT (- INTVAL (alpha_compare_op1)); + } + } + + operands[1] = gen_reg_rtx (mode); + operands[2] = gen_rtx (compare_code, mode, + alpha_compare_op0, alpha_compare_op1); + operands[3] = gen_rtx (branch_code, VOIDmode, + operands[1], CONST0_RTX (mode)); +}") + +(define_expand "blt" + [(set (match_dup 1) (match_dup 2)) + (set (pc) + (if_then_else (match_dup 3) + (label_ref (match_operand 0 "" "")) + (pc)))] + "" + " +{ + enum machine_mode mode = alpha_compare_fp_p ? DFmode : DImode; + operands[1] = gen_reg_rtx (mode); + operands[2] = gen_rtx (LT, mode, alpha_compare_op0, alpha_compare_op1); + operands[3] = gen_rtx (NE, VOIDmode, operands[1], CONST0_RTX (mode)); +}") + +(define_expand "ble" + [(set (match_dup 1) (match_dup 2)) + (set (pc) + (if_then_else (match_dup 3) + (label_ref (match_operand 0 "" "")) + (pc)))] + "" + " +{ + enum machine_mode mode = alpha_compare_fp_p ? DFmode : DImode; + operands[1] = gen_reg_rtx (mode); + operands[2] = gen_rtx (LE, mode, alpha_compare_op0, alpha_compare_op1); + operands[3] = gen_rtx (NE, VOIDmode, operands[1], CONST0_RTX (mode)); +}") + +(define_expand "bgt" + [(set (match_dup 1) (match_dup 2)) + (set (pc) + (if_then_else (match_dup 3) + (label_ref (match_operand 0 "" "")) + (pc)))] + "" + " +{ + if (alpha_compare_fp_p) + { + operands[1] = gen_reg_rtx (DFmode); + operands[2] = gen_rtx (LT, DFmode, alpha_compare_op1, alpha_compare_op0); + operands[3] = gen_rtx (NE, VOIDmode, operands[1], CONST0_RTX (DFmode)); + } + else + { + operands[1] = gen_reg_rtx (DImode); + operands[2] = gen_rtx (LE, DImode, alpha_compare_op0, alpha_compare_op1); + operands[3] = gen_rtx (EQ, VOIDmode, operands[1], const0_rtx); + } +}") + +(define_expand "bge" + [(set (match_dup 1) (match_dup 2)) + (set (pc) + (if_then_else (match_dup 3) + (label_ref (match_operand 0 "" "")) + (pc)))] + "" + " +{ + if (alpha_compare_fp_p) + { + operands[1] = gen_reg_rtx (DFmode); + operands[2] = gen_rtx (LE, DFmode, alpha_compare_op1, alpha_compare_op0); + operands[3] = gen_rtx (NE, VOIDmode, operands[1], CONST0_RTX (DFmode)); + } + else + { + operands[1] = gen_reg_rtx (DImode); + operands[2] = gen_rtx (LT, DImode, alpha_compare_op0, alpha_compare_op1); + operands[3] = gen_rtx (EQ, VOIDmode, operands[1], const0_rtx); + } +}") + +(define_expand "bltu" + [(set (match_dup 1) (match_dup 2)) + (set (pc) + (if_then_else (match_dup 3) + (label_ref (match_operand 0 "" "")) + (pc)))] + "" + " +{ + operands[1] = gen_reg_rtx (DImode); + operands[2] = gen_rtx (LTU, DImode, alpha_compare_op0, alpha_compare_op1); + operands[3] = gen_rtx (NE, VOIDmode, operands[1], const0_rtx); +}") + +(define_expand "bleu" + [(set (match_dup 1) (match_dup 2)) + (set (pc) + (if_then_else (match_dup 3) + (label_ref (match_operand 0 "" "")) + (pc)))] + "" + " +{ + operands[1] = gen_reg_rtx (DImode); + operands[2] = gen_rtx (LEU, DImode, alpha_compare_op0, alpha_compare_op1); + operands[3] = gen_rtx (NE, VOIDmode, operands[1], const0_rtx); +}") + +(define_expand "bgtu" + [(set (match_dup 1) (match_dup 2)) + (set (pc) + (if_then_else (match_dup 3) + (label_ref (match_operand 0 "" "")) + (pc)))] + "" + " +{ + operands[1] = gen_reg_rtx (DImode); + operands[2] = gen_rtx (LEU, DImode, alpha_compare_op0, alpha_compare_op1); + operands[3] = gen_rtx (EQ, VOIDmode, operands[1], const0_rtx); +}") + +(define_expand "bgeu" + [(set (match_dup 1) (match_dup 2)) + (set (pc) + (if_then_else (match_dup 3) + (label_ref (match_operand 0 "" "")) + (pc)))] + "" + " +{ + operands[1] = gen_reg_rtx (DImode); + operands[2] = gen_rtx (LTU, DImode, alpha_compare_op0, alpha_compare_op1); + operands[3] = gen_rtx (EQ, VOIDmode, operands[1], const0_rtx); +}") + +(define_expand "seq" + [(set (match_operand:DI 0 "register_operand" "") + (match_dup 1))] + "" + " +{ + if (alpha_compare_fp_p) + FAIL; + + operands[1] = gen_rtx (EQ, DImode, alpha_compare_op0, alpha_compare_op1); +}") + +(define_expand "sne" + [(set (match_operand:DI 0 "register_operand" "") + (match_dup 1)) + (set (match_dup 0) (xor:DI (match_dup 0) (const_int 1)))] + "" + " +{ + if (alpha_compare_fp_p) + FAIL; + + operands[1] = gen_rtx (EQ, DImode, alpha_compare_op0, alpha_compare_op1); +}") + +(define_expand "slt" + [(set (match_operand:DI 0 "register_operand" "") + (match_dup 1))] + "" + " +{ + if (alpha_compare_fp_p) + FAIL; + + operands[1] = gen_rtx (LT, DImode, alpha_compare_op0, alpha_compare_op1); +}") + +(define_expand "sle" + [(set (match_operand:DI 0 "register_operand" "") + (match_dup 1))] + "" + " +{ + if (alpha_compare_fp_p) + FAIL; + + operands[1] = gen_rtx (LE, DImode, alpha_compare_op0, alpha_compare_op1); +}") + +(define_expand "sgt" + [(set (match_operand:DI 0 "register_operand" "") + (match_dup 1))] + "" + " +{ + if (alpha_compare_fp_p) + FAIL; + + operands[1] = gen_rtx (LT, DImode, force_reg (DImode, alpha_compare_op1), + alpha_compare_op0); +}") + +(define_expand "sge" + [(set (match_operand:DI 0 "register_operand" "") + (match_dup 1))] + "" + " +{ + if (alpha_compare_fp_p) + FAIL; + + operands[1] = gen_rtx (LE, DImode, force_reg (DImode, alpha_compare_op1), + alpha_compare_op0); +}") + +(define_expand "sltu" + [(set (match_operand:DI 0 "register_operand" "") + (match_dup 1))] + "" + " +{ + if (alpha_compare_fp_p) + FAIL; + + operands[1] = gen_rtx (LTU, DImode, alpha_compare_op0, alpha_compare_op1); +}") + +(define_expand "sleu" + [(set (match_operand:DI 0 "register_operand" "") + (match_dup 1))] + "" + " +{ + if (alpha_compare_fp_p) + FAIL; + + operands[1] = gen_rtx (LEU, DImode, alpha_compare_op0, alpha_compare_op1); +}") + +(define_expand "sgtu" + [(set (match_operand:DI 0 "register_operand" "") + (match_dup 1))] + "" + " +{ + if (alpha_compare_fp_p) + FAIL; + + operands[1] = gen_rtx (LTU, DImode, force_reg (DImode, alpha_compare_op1), + alpha_compare_op0); +}") + +(define_expand "sgeu" + [(set (match_operand:DI 0 "register_operand" "") + (match_dup 1))] + "" + " +{ + if (alpha_compare_fp_p) + FAIL; + + operands[1] = gen_rtx (LEU, DImode, force_reg (DImode, alpha_compare_op1), + alpha_compare_op0); +}") + +;; These are the main define_expand's used to make conditional moves. + +(define_expand "movsicc" + [(set (match_dup 4) (match_operand 1 "comparison_operator" "")) + (set (match_operand:SI 0 "register_operand" "") + (if_then_else:DI (match_dup 5) + (match_operand:SI 2 "reg_or_8bit_operand" "") + (match_operand:SI 3 "reg_or_8bit_operand" "")))] + "" + " +{ + rtx op0,op1; + enum rtx_code code = GET_CODE (operands[1]), code2 = NE; + + if (alpha_compare_fp_p) + FAIL; + switch (code) + { + case EQ: case LE: case LT: + op0 = alpha_compare_op0; + op1 = alpha_compare_op1; + break; + case NE: + code = code2 = EQ; + op0 = alpha_compare_op0; + op1 = alpha_compare_op1; + break; + case GE: + code = LE; + op0 = force_reg (DImode, alpha_compare_op1); + op1 = alpha_compare_op0; + break; + case GT: + code = LT; + op0 = force_reg (DImode, alpha_compare_op1); + op1 = alpha_compare_op0; + break; + default: + FAIL; + } + operands[1] = gen_rtx (code, DImode, op0, op1); + operands[4] = gen_reg_rtx (DImode); + operands[5] = gen_rtx (code2, VOIDmode, operands[4], CONST0_RTX (DImode)); +}") + +(define_expand "movdicc" + [(set (match_dup 4) (match_operand 1 "comparison_operator" "")) + (set (match_operand:DI 0 "register_operand" "") + (if_then_else:DI (match_dup 5) + (match_operand:DI 2 "reg_or_8bit_operand" "") + (match_operand:DI 3 "reg_or_8bit_operand" "")))] + "" + " +{ + rtx op0,op1; + enum rtx_code code = GET_CODE (operands[1]), code2 = NE; + + if (alpha_compare_fp_p) + FAIL; + switch (code) + { + case EQ: case LE: case LT: + op0 = alpha_compare_op0; + op1 = alpha_compare_op1; + break; + case NE: + code = code2 = EQ; + op0 = alpha_compare_op0; + op1 = alpha_compare_op1; + break; + case GE: + code = LE; + op0 = force_reg (DImode, alpha_compare_op1); + op1 = alpha_compare_op0; + break; + case GT: + code = LT; + op0 = force_reg (DImode, alpha_compare_op1); + op1 = alpha_compare_op0; + break; + default: + FAIL; + } + operands[1] = gen_rtx (code, DImode, op0, op1); + operands[4] = gen_reg_rtx (DImode); + operands[5] = gen_rtx (code2, VOIDmode, operands[4], CONST0_RTX (DImode)); +}") + +(define_expand "movsfcc" + [(set (match_dup 4) (match_operand 1 "comparison_operator" "")) + (set (match_operand:SF 0 "register_operand" "") + (if_then_else:SF (match_dup 5) + (match_operand:SF 2 "reg_or_fp0_operand" "") + (match_operand:SF 3 "reg_or_fp0_operand" "")))] + "" + " +{ + rtx op0,op1; + enum rtx_code code = GET_CODE (operands[1]), code2 = NE; + + if (!alpha_compare_fp_p) + FAIL; + switch (code) + { + case EQ: case LE: case LT: + op0 = alpha_compare_op0; + op1 = alpha_compare_op1; + break; + case NE: + /* There isn't a cmptne insn. */ + code = code2 = EQ; + op0 = alpha_compare_op0; + op1 = alpha_compare_op1; + break; + case GE: + code = LE; + op0 = force_reg (DFmode, alpha_compare_op1); + op1 = alpha_compare_op0; + break; + case GT: + code = LT; + op0 = force_reg (DFmode, alpha_compare_op1); + op1 = alpha_compare_op0; + break; + default: + FAIL; + } + operands[1] = gen_rtx (code, DFmode, op0, op1); + operands[4] = gen_reg_rtx (DFmode); + operands[5] = gen_rtx (code2, VOIDmode, operands[4], CONST0_RTX (DFmode)); +}") + +(define_expand "movdfcc" + [(set (match_dup 4) (match_operand 1 "comparison_operator" "")) + (set (match_operand:DF 0 "register_operand" "") + (if_then_else:DF (match_dup 5) + (match_operand:DF 2 "reg_or_fp0_operand" "") + (match_operand:DF 3 "reg_or_fp0_operand" "")))] + "" + " +{ + rtx op0,op1; + enum rtx_code code = GET_CODE (operands[1]), code2 = NE; + + if (!alpha_compare_fp_p) + FAIL; + switch (code) + { + case EQ: case LE: case LT: + op0 = alpha_compare_op0; + op1 = alpha_compare_op1; + break; + case NE: + /* There isn't a cmptne insn. */ + code = code2 = EQ; + op0 = alpha_compare_op0; + op1 = alpha_compare_op1; + break; + case GE: + code = LE; + op0 = force_reg (DFmode, alpha_compare_op1); + op1 = alpha_compare_op0; + break; + case GT: + code = LT; + op0 = force_reg (DFmode, alpha_compare_op1); + op1 = alpha_compare_op0; + break; + default: + FAIL; + } + operands[1] = gen_rtx (code, DFmode, op0, op1); + operands[4] = gen_reg_rtx (DFmode); + operands[5] = gen_rtx (code2, VOIDmode, operands[4], CONST0_RTX (DFmode)); +}") + +;; These define_split definitions are used in cases when comparisons have +;; not be stated in the correct way and we need to reverse the second +;; comparison. For example, x >= 7 has to be done as x < 6 with the +;; comparison that tests the result being reversed. We have one define_split +;; for each use of a comparison. They do not match valid insns and need +;; not generate valid insns. +;; +;; We can also handle equality comparisons (and inequality comparisons in +;; cases where the resulting add cannot overflow) by doing an add followed by +;; a comparison with zero. This is faster since the addition takes one +;; less cycle than a compare when feeding into a conditional move. +;; For this case, we also have an SImode pattern since we can merge the add +;; and sign extend and the order doesn't matter. +;; +;; We do not do this for floating-point, since it isn't clear how the "wrong" +;; operation could have been generated. + +(define_split + [(set (match_operand:DI 0 "register_operand" "") + (if_then_else:DI + (match_operator 1 "comparison_operator" + [(match_operand:DI 2 "reg_or_0_operand" "") + (match_operand:DI 3 "reg_or_cint_operand" "")]) + (match_operand:DI 4 "reg_or_cint_operand" "") + (match_operand:DI 5 "reg_or_cint_operand" ""))) + (clobber (match_operand:DI 6 "register_operand" ""))] + "operands[3] != const0_rtx" + [(set (match_dup 6) (match_dup 7)) + (set (match_dup 0) + (if_then_else:DI (match_dup 8) (match_dup 4) (match_dup 5)))] + " +{ enum rtx_code code = GET_CODE (operands[1]); + int unsignedp = (code == GEU || code == LEU || code == GTU || code == LTU); + + /* If we are comparing for equality with a constant and that constant + appears in the arm when the register equals the constant, use the + register since that is more likely to match (and to produce better code + if both would). */ + + if (code == EQ && GET_CODE (operands[3]) == CONST_INT + && rtx_equal_p (operands[4], operands[3])) + operands[4] = operands[2]; + + else if (code == NE && GET_CODE (operands[3]) == CONST_INT + && rtx_equal_p (operands[5], operands[3])) + operands[5] = operands[2]; + + if (code == NE || code == EQ + || (extended_count (operands[2], DImode, unsignedp) >= 1 + && extended_count (operands[3], DImode, unsignedp) >= 1)) + { + if (GET_CODE (operands[3]) == CONST_INT) + operands[7] = gen_rtx (PLUS, DImode, operands[2], + GEN_INT (- INTVAL (operands[3]))); + else + operands[7] = gen_rtx (MINUS, DImode, operands[2], operands[3]); + + operands[8] = gen_rtx (code, VOIDmode, operands[6], const0_rtx); + } + + else if (code == EQ || code == LE || code == LT + || code == LEU || code == LTU) + { + operands[7] = gen_rtx (code, DImode, operands[2], operands[3]); + operands[8] = gen_rtx (NE, VOIDmode, operands[6], const0_rtx); + } + else + { + operands[7] = gen_rtx (reverse_condition (code), DImode, operands[2], + operands[3]); + operands[8] = gen_rtx (EQ, VOIDmode, operands[6], const0_rtx); + } +}") + +(define_split + [(set (match_operand:DI 0 "register_operand" "") + (if_then_else:DI + (match_operator 1 "comparison_operator" + [(match_operand:SI 2 "reg_or_0_operand" "") + (match_operand:SI 3 "reg_or_cint_operand" "")]) + (match_operand:DI 4 "reg_or_8bit_operand" "") + (match_operand:DI 5 "reg_or_8bit_operand" ""))) + (clobber (match_operand:DI 6 "register_operand" ""))] + "operands[3] != const0_rtx + && (GET_CODE (operands[1]) == EQ || GET_CODE (operands[1]) == NE)" + [(set (match_dup 6) (match_dup 7)) + (set (match_dup 0) + (if_then_else:DI (match_dup 8) (match_dup 4) (match_dup 5)))] + " +{ enum rtx_code code = GET_CODE (operands[1]); + int unsignedp = (code == GEU || code == LEU || code == GTU || code == LTU); + rtx tem; + + if ((code != NE && code != EQ + && ! (extended_count (operands[2], DImode, unsignedp) >= 1 + && extended_count (operands[3], DImode, unsignedp) >= 1))) + FAIL; + + if (GET_CODE (operands[3]) == CONST_INT) + tem = gen_rtx (PLUS, SImode, operands[2], + GEN_INT (- INTVAL (operands[3]))); + else + tem = gen_rtx (MINUS, SImode, operands[2], operands[3]); + + operands[7] = gen_rtx (SIGN_EXTEND, DImode, tem); + operands[8] = gen_rtx (GET_CODE (operands[1]), VOIDmode, operands[6], + const0_rtx); +}") + +(define_split + [(set (pc) + (if_then_else + (match_operator 1 "comparison_operator" + [(match_operand:DI 2 "reg_or_0_operand" "") + (match_operand:DI 3 "reg_or_cint_operand" "")]) + (label_ref (match_operand 0 "" "")) + (pc))) + (clobber (match_operand:DI 4 "register_operand" ""))] + "operands[3] != const0_rtx" + [(set (match_dup 4) (match_dup 5)) + (set (pc) (if_then_else (match_dup 6) (label_ref (match_dup 0)) (pc)))] + " +{ enum rtx_code code = GET_CODE (operands[1]); + int unsignedp = (code == GEU || code == LEU || code == GTU || code == LTU); + + if (code == NE || code == EQ + || (extended_count (operands[2], DImode, unsignedp) >= 1 + && extended_count (operands[3], DImode, unsignedp) >= 1)) + { + if (GET_CODE (operands[3]) == CONST_INT) + operands[5] = gen_rtx (PLUS, DImode, operands[2], + GEN_INT (- INTVAL (operands[3]))); + else + operands[5] = gen_rtx (MINUS, DImode, operands[2], operands[3]); + + operands[6] = gen_rtx (code, VOIDmode, operands[4], const0_rtx); + } + + else if (code == EQ || code == LE || code == LT + || code == LEU || code == LTU) + { + operands[5] = gen_rtx (code, DImode, operands[2], operands[3]); + operands[6] = gen_rtx (NE, VOIDmode, operands[4], const0_rtx); + } + else + { + operands[5] = gen_rtx (reverse_condition (code), DImode, operands[2], + operands[3]); + operands[6] = gen_rtx (EQ, VOIDmode, operands[4], const0_rtx); + } +}") + +(define_split + [(set (pc) + (if_then_else + (match_operator 1 "comparison_operator" + [(match_operand:SI 2 "reg_or_0_operand" "") + (match_operand:SI 3 "const_int_operand" "")]) + (label_ref (match_operand 0 "" "")) + (pc))) + (clobber (match_operand:DI 4 "register_operand" ""))] + "operands[3] != const0_rtx + && (GET_CODE (operands[1]) == EQ || GET_CODE (operands[1]) == NE)" + [(set (match_dup 4) (match_dup 5)) + (set (pc) (if_then_else (match_dup 6) (label_ref (match_dup 0)) (pc)))] + " +{ rtx tem; + + if (GET_CODE (operands[3]) == CONST_INT) + tem = gen_rtx (PLUS, SImode, operands[2], + GEN_INT (- INTVAL (operands[3]))); + else + tem = gen_rtx (MINUS, SImode, operands[2], operands[3]); + + operands[5] = gen_rtx (SIGN_EXTEND, DImode, tem); + operands[6] = gen_rtx (GET_CODE (operands[1]), VOIDmode, + operands[4], const0_rtx); +}") + +;; We can convert such things as "a > 0xffff" to "t = a & ~ 0xffff; t != 0". +;; This eliminates one, and sometimes two, insns when the AND can be done +;; with a ZAP. +(define_split + [(set (match_operand:DI 0 "register_operand" "") + (match_operator 1 "comparison_operator" + [(match_operand:DI 2 "register_operand" "") + (match_operand:DI 3 "const_int_operand" "")])) + (clobber (match_operand:DI 4 "register_operand" ""))] + "exact_log2 (INTVAL (operands[3]) + 1) >= 0 + && (GET_CODE (operands[1]) == GTU + || GET_CODE (operands[1]) == LEU + || ((GET_CODE (operands[1]) == GT || GET_CODE (operands[1]) == LE) + && extended_count (operands[2], DImode, 1) > 0))" + [(set (match_dup 4) (and:DI (match_dup 2) (match_dup 5))) + (set (match_dup 0) (match_dup 6))] + " +{ + operands[5] = GEN_INT (~ INTVAL (operands[3])); + operands[6] = gen_rtx (((GET_CODE (operands[1]) == GTU + || GET_CODE (operands[1]) == GT) + ? NE : EQ), + DImode, operands[4], const0_rtx); +}") + +;; Here are the CALL and unconditional branch insns. Calls on NT and OSF +;; work differently, so we have different patterns for each. + +(define_expand "call" + [(use (match_operand:DI 0 "" "")) + (use (match_operand 1 "" ""))] + "" + " +{ if (WINDOWS_NT) + emit_call_insn (gen_call_nt (operands[0], operands[1])); + else + emit_call_insn (gen_call_osf (operands[0], operands[1])); + + DONE; +}") + +(define_expand "call_osf" + [(parallel [(call (mem:DI (match_operand 0 "" "")) + (match_operand 1 "" "")) + (clobber (reg:DI 27)) + (clobber (reg:DI 26))])] + "" + " +{ if (GET_CODE (operands[0]) != MEM) + abort (); + + operands[0] = XEXP (operands[0], 0); + + if (GET_CODE (operands[0]) != SYMBOL_REF + && ! (GET_CODE (operands[0]) == REG && REGNO (operands[0]) == 27)) + { + rtx tem = gen_rtx (REG, DImode, 27); + emit_move_insn (tem, operands[0]); + operands[0] = tem; + } +}") + +(define_expand "call_nt" + [(parallel [(call (mem:DI (match_operand:DI 0 "" "")) + (match_operand 1 "" "")) + (clobber (reg:DI 26))])] + "" + " +{ if (GET_CODE (operands[0]) != MEM) + abort (); + operands[0] = XEXP (operands[0], 0); + + if (GET_CODE (operands[1]) != SYMBOL_REF + && ! (GET_CODE (operands[1]) == REG && REGNO (operands[1]) == 27)) + { + rtx tem = gen_rtx (REG, DImode, 27); + emit_move_insn (tem, operands[1]); + operands[1] = tem; + } +}") + +(define_expand "call_value" + [(use (match_operand 0 "" "")) + (use (match_operand:DI 1 "" "")) + (use (match_operand 2 "" ""))] + "" + " +{ if (WINDOWS_NT) + emit_call_insn (gen_call_value_nt (operands[0], operands[1], operands[2])); + else + emit_call_insn (gen_call_value_osf (operands[0], operands[1], + operands[2])); + DONE; +}") + +(define_expand "call_value_osf" + [(parallel [(set (match_operand 0 "" "") + (call (mem:DI (match_operand 1 "" "")) + (match_operand 2 "" ""))) + (clobber (reg:DI 27)) + (clobber (reg:DI 26))])] + "" + " +{ if (GET_CODE (operands[1]) != MEM) + abort (); + + operands[1] = XEXP (operands[1], 0); + + if (GET_CODE (operands[1]) != SYMBOL_REF + && ! (GET_CODE (operands[1]) == REG && REGNO (operands[1]) == 27)) + { + rtx tem = gen_rtx (REG, DImode, 27); + emit_move_insn (tem, operands[1]); + operands[1] = tem; + } +}") + +(define_expand "call_value_nt" + [(parallel [(set (match_operand 0 "" "") + (call (mem:DI (match_operand:DI 1 "" "")) + (match_operand 2 "" ""))) + (clobber (reg:DI 26))])] + "" + " +{ if (GET_CODE (operands[1]) != MEM) + abort (); + + operands[1] = XEXP (operands[1], 0); + if (GET_CODE (operands[1]) != SYMBOL_REF + && ! (GET_CODE (operands[1]) == REG && REGNO (operands[1]) == 27)) + { + rtx tem = gen_rtx (REG, DImode, 27); + emit_move_insn (tem, operands[1]); + operands[1] = tem; + } +}") + +(define_insn "" + [(call (mem:DI (match_operand:DI 0 "call_operand" "r,R,i")) + (match_operand 1 "" "")) + (clobber (reg:DI 27)) + (clobber (reg:DI 26))] + "! WINDOWS_NT" + "@ + jsr $26,($27),0\;ldgp $29,0($26) + bsr $26,%0..ng + jsr $26,%0\;ldgp $29,0($26)" + [(set_attr "type" "jsr,jsr,ibr")]) + +(define_insn "" + [(call (mem:DI (match_operand:DI 0 "call_operand" "r,i")) + (match_operand 1 "" "")) + (clobber (reg:DI 26))] + "WINDOWS_NT" + "@ + jsr $26,(%0) + bsr $26,%0" + [(set_attr "type" "jsr")]) + +(define_insn "" + [(set (match_operand 0 "register_operand" "=rf,rf,rf") + (call (mem:DI (match_operand:DI 1 "call_operand" "r,R,i")) + (match_operand 2 "" ""))) + (clobber (reg:DI 27)) + (clobber (reg:DI 26))] + "! WINDOWS_NT" + "@ + jsr $26,($27),0\;ldgp $29,0($26) + bsr $26,%1..ng + jsr $26,%1\;ldgp $29,0($26)" + [(set_attr "type" "jsr,jsr,ibr")]) + +(define_insn "" + [(set (match_operand 0 "register_operand" "=rf,rf") + (call (mem:DI (match_operand:DI 1 "call_operand" "r,i")) + (match_operand 2 "" ""))) + (clobber (reg:DI 26))] + "WINDOWS_NT" + "@ + jsr $26,(%1) + bsr $26,%1" + [(set_attr "type" "jsr")]) + +;; Call subroutine returning any type. + +(define_expand "untyped_call" + [(parallel [(call (match_operand 0 "" "") + (const_int 0)) + (match_operand 1 "" "") + (match_operand 2 "" "")])] + "" + " +{ + int i; + + emit_call_insn (gen_call (operands[0], const0_rtx, NULL, const0_rtx)); + + for (i = 0; i < XVECLEN (operands[2], 0); i++) + { + rtx set = XVECEXP (operands[2], 0, i); + emit_move_insn (SET_DEST (set), SET_SRC (set)); + } + + /* The optimizer does not know that the call sets the function value + registers we stored in the result block. We avoid problems by + claiming that all hard registers are used and clobbered at this + point. */ + emit_insn (gen_blockage ()); + + DONE; +}") + +;; UNSPEC_VOLATILE is considered to use and clobber all hard registers and +;; all of memory. This blocks insns from being moved across this point. + +(define_insn "blockage" + [(unspec_volatile [(const_int 0)] 1)] + "" + "") + +(define_insn "jump" + [(set (pc) + (label_ref (match_operand 0 "" "")))] + "" + "br $31,%l0" + [(set_attr "type" "ibr")]) + +(define_insn "return" + [(return)] + "direct_return ()" + "ret $31,($26),1" + [(set_attr "type" "ibr")]) + +(define_insn "indirect_jump" + [(set (pc) (match_operand:DI 0 "register_operand" "r"))] + "" + "jmp $31,(%0),0" + [(set_attr "type" "ibr")]) + +(define_insn "nop" + [(const_int 0)] + "" + "bis $31,$31,$31" + [(set_attr "type" "iaddlog")]) + +(define_expand "tablejump" + [(use (match_operand:SI 0 "register_operand" "")) + (use (match_operand:SI 1 "" ""))] + "" + " +{ + if (WINDOWS_NT) + emit_jump_insn (gen_tablejump_nt (operands[0], operands[1])); + else + emit_jump_insn (gen_tablejump_osf (operands[0], operands[1])); + + DONE; +}") + +(define_expand "tablejump_osf" + [(set (match_dup 3) + (sign_extend:DI (match_operand:SI 0 "register_operand" ""))) + (parallel [(set (pc) + (plus:DI (match_dup 3) + (label_ref:DI (match_operand 1 "" "")))) + (clobber (match_scratch:DI 2 "=r"))])] + "" + " +{ operands[3] = gen_reg_rtx (DImode); }") + +(define_expand "tablejump_nt" + [(set (match_dup 3) + (sign_extend:DI (match_operand:SI 0 "register_operand" ""))) + (parallel [(set (pc) + (match_dup 3)) + (use (label_ref (match_operand 1 "" "")))])] + "" + " +{ operands[3] = gen_reg_rtx (DImode); }") + +(define_insn "" + [(set (pc) + (plus:DI (match_operand:DI 0 "register_operand" "r") + (label_ref:DI (match_operand 1 "" "")))) + (clobber (match_scratch:DI 2 "=r"))] + "! WINDOWS_NT && next_active_insn (insn) != 0 + && GET_CODE (PATTERN (next_active_insn (insn))) == ADDR_DIFF_VEC + && PREV_INSN (next_active_insn (insn)) == operands[1]" + "* +{ rtx best_label = 0; + rtx jump_table_insn = next_active_insn (operands[1]); + + if (GET_CODE (jump_table_insn) == JUMP_INSN + && GET_CODE (PATTERN (jump_table_insn)) == ADDR_DIFF_VEC) + { + rtx jump_table = PATTERN (jump_table_insn); + int n_labels = XVECLEN (jump_table, 1); + int best_count = -1; + int i, j; + + for (i = 0; i < n_labels; i++) + { + int count = 1; + + for (j = i + 1; j < n_labels; j++) + if (XEXP (XVECEXP (jump_table, 1, i), 0) + == XEXP (XVECEXP (jump_table, 1, j), 0)) + count++; + + if (count > best_count) + best_count = count, best_label = XVECEXP (jump_table, 1, i); + } + } + + if (best_label) + { + operands[3] = best_label; + return \"addq %0,$29,%2\;jmp $31,(%2),%3\"; + } + else + return \"addq %0,$29,%2\;jmp $31,(%2),0\"; +}" + [(set_attr "type" "ibr")]) + +(define_insn "" + [(set (pc) + (match_operand:DI 0 "register_operand" "r")) + (use (label_ref (match_operand 1 "" "")))] + "WINDOWS_NT && next_active_insn (insn) != 0 + && GET_CODE (PATTERN (next_active_insn (insn))) == ADDR_DIFF_VEC + && PREV_INSN (next_active_insn (insn)) == operands[1]" + "* +{ rtx best_label = 0; + rtx jump_table_insn = next_active_insn (operands[1]); + + if (GET_CODE (jump_table_insn) == JUMP_INSN + && GET_CODE (PATTERN (jump_table_insn)) == ADDR_DIFF_VEC) + { + rtx jump_table = PATTERN (jump_table_insn); + int n_labels = XVECLEN (jump_table, 1); + int best_count = -1; + int i, j; + + for (i = 0; i < n_labels; i++) + { + int count = 1; + + for (j = i + 1; j < n_labels; j++) + if (XEXP (XVECEXP (jump_table, 1, i), 0) + == XEXP (XVECEXP (jump_table, 1, j), 0)) + count++; + + if (count > best_count) + best_count = count, best_label = XVECEXP (jump_table, 1, i); + } + } + + if (best_label) + { + operands[2] = best_label; + return \"jmp $31,(%0),%2\"; + } + else + return \"jmp $31,(%0),0\"; +}" + [(set_attr "type" "ibr")]) + +;; Cache flush. Used by INITIALIZE_TRAMPOLINE. 0x86 is PAL_imb, but we don't +;; want to have to include pal.h in our .s file. +(define_insn "" + [(unspec_volatile [(const_int 0)] 0)] + "" + "call_pal 0x86") + +;; Finally, we have the basic data motion insns. The byte and word insns +;; are done via define_expand. Start with the floating-point insns, since +;; they are simpler. + +(define_insn "" + [(set (match_operand:SF 0 "nonimmediate_operand" "=r,r,m,f,f,f,m") + (match_operand:SF 1 "input_operand" "rG,m,rG,f,G,m,fG"))] + "register_operand (operands[0], SFmode) + || reg_or_fp0_operand (operands[1], SFmode)" + "@ + bis %r1,%r1,%0 + ldl %0,%1 + stl %r1,%0 + cpys %1,%1,%0 + cpys $f31,$f31,%0 + lds %0,%1 + sts %R1,%0" + [(set_attr "type" "iaddlog,ld,st,fpop,fpop,ld,st")]) + +(define_insn "" + [(set (match_operand:DF 0 "nonimmediate_operand" "=r,r,m,f,f,f,m") + (match_operand:DF 1 "input_operand" "rG,m,rG,f,G,m,fG"))] + "register_operand (operands[0], DFmode) + || reg_or_fp0_operand (operands[1], DFmode)" + "@ + bis %r1,%r1,%0 + ldq %0,%1 + stq %r1,%0 + cpys %1,%1,%0 + cpys $f31,$f31,%0 + ldt %0,%1 + stt %R1,%0" + [(set_attr "type" "iaddlog,ld,st,fpop,fpop,ld,st")]) + +(define_expand "movsf" + [(set (match_operand:SF 0 "nonimmediate_operand" "") + (match_operand:SF 1 "general_operand" ""))] + "" + " +{ + if (GET_CODE (operands[0]) == MEM + && ! reg_or_fp0_operand (operands[1], SFmode)) + operands[1] = force_reg (SFmode, operands[1]); +}") + +(define_expand "movdf" + [(set (match_operand:DF 0 "nonimmediate_operand" "") + (match_operand:DF 1 "general_operand" ""))] + "" + " +{ + if (GET_CODE (operands[0]) == MEM + && ! reg_or_fp0_operand (operands[1], DFmode)) + operands[1] = force_reg (DFmode, operands[1]); +}") + +(define_insn "" + [(set (match_operand:SI 0 "nonimmediate_operand" "=r,r,r,r,r,r,m,f,f,f,m") + (match_operand:SI 1 "input_operand" "r,J,I,K,L,m,rJ,f,J,m,fG"))] + "! WINDOWS_NT && (register_operand (operands[0], SImode) + || reg_or_0_operand (operands[1], SImode))" + "@ + bis %1,%1,%0 + bis $31,$31,%0 + bis $31,%1,%0 + lda %0,%1 + ldah %0,%h1 + ldl %0,%1 + stl %r1,%0 + cpys %1,%1,%0 + cpys $f31,$f31,%0 + lds %0,%1 + sts %R1,%0" + [(set_attr "type" "iaddlog,iaddlog,iaddlog,iaddlog,iaddlog,ld,st,fpop,fpop,ld,st")]) + +(define_insn "" + [(set (match_operand:SI 0 "nonimmediate_operand" "=r,r,r,r,r,r,r,m,f,f,f,m") + (match_operand:SI 1 "input_operand" "r,J,I,K,L,s,m,rJ,f,J,m,fG"))] + "WINDOWS_NT && (register_operand (operands[0], SImode) + || reg_or_0_operand (operands[1], SImode))" + "@ + bis %1,%1,%0 + bis $31,$31,%0 + bis $31,%1,%0 + lda %0,%1 + ldah %0,%h1 + lda %0,%1 + ldl %0,%1 + stl %r1,%0 + cpys %1,%1,%0 + cpys $f31,$f31,%0 + lds %0,%1 + sts %R1,%0" + [(set_attr "type" "iaddlog,iaddlog,iaddlog,iaddlog,iaddlog,ldsym,ld,st,fpop,fpop,ld,st")]) + +(define_insn "" + [(set (match_operand:HI 0 "nonimmediate_operand" "=r,r,r,r,f,f") + (match_operand:HI 1 "input_operand" "r,J,I,n,f,J"))] + "register_operand (operands[0], HImode) + || register_operand (operands[1], HImode)" + "@ + bis %1,%1,%0 + bis $31,$31,%0 + bis $31,%1,%0 + lda %0,%L1 + cpys %1,%1,%0 + cpys $f31,$f31,%0" + [(set_attr "type" "iaddlog,iaddlog,iaddlog,iaddlog,fpop,fpop")]) + +(define_insn "" + [(set (match_operand:QI 0 "nonimmediate_operand" "=r,r,r,r,f,f") + (match_operand:QI 1 "input_operand" "r,J,I,n,f,J"))] + "register_operand (operands[0], QImode) + || register_operand (operands[1], QImode)" + "@ + bis %1,%1,%0 + bis $31,$31,%0 + bis $31,%1,%0 + lda %0,%L1 + cpys %1,%1,%0 + cpys $f31,$f31,%0" + [(set_attr "type" "iaddlog,iaddlog,iaddlog,iaddlog,fpop,fpop")]) + +;; We do two major things here: handle mem->mem and construct long +;; constants. + +(define_expand "movsi" + [(set (match_operand:SI 0 "general_operand" "") + (match_operand:SI 1 "general_operand" ""))] + "" + " +{ + if (GET_CODE (operands[0]) == MEM + && ! reg_or_0_operand (operands[1], SImode)) + operands[1] = force_reg (SImode, operands[1]); + + if (! CONSTANT_P (operands[1]) || input_operand (operands[1], SImode)) + ; + else if (GET_CODE (operands[1]) == CONST_INT) + { + operands[1] + = alpha_emit_set_const (operands[0], SImode, INTVAL (operands[1]), 3); + if (rtx_equal_p (operands[0], operands[1])) + DONE; + } +}") + +;; Split a load of a large constant into the appropriate two-insn +;; sequence. + +(define_split + [(set (match_operand:SI 0 "register_operand" "") + (match_operand:SI 1 "const_int_operand" ""))] + "! add_operand (operands[1], SImode)" + [(set (match_dup 0) (match_dup 2)) + (set (match_dup 0) (plus:SI (match_dup 0) (match_dup 3)))] + " +{ rtx tem + = alpha_emit_set_const (operands[0], SImode, INTVAL (operands[1]), 2); + + if (tem == operands[0]) + DONE; + else + FAIL; +}") + +(define_insn "" + [(set (match_operand:DI 0 "general_operand" "=r,r,r,r,r,r,r,m,f,f,f,Q") + (match_operand:DI 1 "input_operand" "r,J,I,K,L,s,m,rJ,f,J,Q,fG"))] + "register_operand (operands[0], DImode) + || reg_or_0_operand (operands[1], DImode)" + "@ + bis %1,%1,%0 + bis $31,$31,%0 + bis $31,%1,%0 + lda %0,%1 + ldah %0,%h1 + lda %0,%1 + ldq%A1 %0,%1 + stq%A0 %r1,%0 + cpys %1,%1,%0 + cpys $f31,$f31,%0 + ldt %0,%1 + stt %R1,%0" + [(set_attr "type" "iaddlog,iaddlog,iaddlog,iaddlog,iaddlog,ldsym,ld,st,fpop,fpop,ld,st")]) + +;; We do three major things here: handle mem->mem, put 64-bit constants in +;; memory, and construct long 32-bit constants. + +(define_expand "movdi" + [(set (match_operand:DI 0 "general_operand" "") + (match_operand:DI 1 "general_operand" ""))] + "" + " +{ + rtx tem; + + if (GET_CODE (operands[0]) == MEM + && ! reg_or_0_operand (operands[1], DImode)) + operands[1] = force_reg (DImode, operands[1]); + + if (! CONSTANT_P (operands[1]) || input_operand (operands[1], DImode)) + ; + else if (GET_CODE (operands[1]) == CONST_INT + && (tem = alpha_emit_set_const (operands[0], DImode, + INTVAL (operands[1]), 3)) != 0) + { + if (rtx_equal_p (tem, operands[0])) + DONE; + else + operands[1] = tem; + } + else if (CONSTANT_P (operands[1])) + { + operands[1] = force_const_mem (DImode, operands[1]); + if (reload_in_progress) + { + emit_move_insn (operands[0], XEXP (operands[1], 0)); + operands[1] = copy_rtx (operands[1]); + XEXP (operands[1], 0) = operands[0]; + } + else + operands[1] = validize_mem (operands[1]); + } + else + abort (); +}") + +;; Split a load of a large constant into the appropriate two-insn +;; sequence. + +(define_split + [(set (match_operand:DI 0 "register_operand" "") + (match_operand:DI 1 "const_int_operand" ""))] + "! add_operand (operands[1], DImode)" + [(set (match_dup 0) (match_dup 2)) + (set (match_dup 0) (plus:DI (match_dup 0) (match_dup 3)))] + " +{ rtx tem + = alpha_emit_set_const (operands[0], DImode, INTVAL (operands[1]), 2); + + if (tem == operands[0]) + DONE; + else + FAIL; +}") + +;; These are the partial-word cases. +;; +;; First we have the code to load an aligned word. Operand 0 is the register +;; in which to place the result. It's mode is QImode or HImode. Operand 1 +;; is an SImode MEM at the low-order byte of the proper word. Operand 2 is the +;; number of bits within the word that the value is. Operand 3 is an SImode +;; scratch register. If operand 0 is a hard register, operand 3 may be the +;; same register. It is allowed to conflict with operand 1 as well. + +(define_expand "aligned_loadqi" + [(set (match_operand:SI 3 "register_operand" "") + (match_operand:SI 1 "memory_operand" "")) + (set (subreg:DI (match_operand:QI 0 "register_operand" "") 0) + (zero_extract:DI (subreg:DI (match_dup 3) 0) + (const_int 8) + (match_operand:DI 2 "const_int_operand" "")))] + + "" + "") + +(define_expand "aligned_loadhi" + [(set (match_operand:SI 3 "register_operand" "") + (match_operand:SI 1 "memory_operand" "")) + (set (subreg:DI (match_operand:HI 0 "register_operand" "") 0) + (zero_extract:DI (subreg:DI (match_dup 3) 0) + (const_int 16) + (match_operand:DI 2 "const_int_operand" "")))] + + "" + "") + +;; Similar for unaligned loads. For QImode, we use the sequence from the +;; Alpha Architecture manual. However, for HImode, we do not. HImode pointers +;; are normally aligned to the byte boundary, so an HImode object cannot +;; cross a longword boundary. We could use a sequence similar to that for +;; QImode, but that would fail if the pointer, was, in fact, not aligned. +;; Instead, we clear bit 1 in the address and do an ldl. If the low-order +;; bit was not aligned, this will trap and the trap handler will do what is +;; needed. +;; +;; Here operand 1 is the address. Operands 2 and 3 are temporaries, where +;; operand 3 can overlap the input and output registers. + +(define_expand "unaligned_loadqi" + [(set (match_operand:DI 2 "register_operand" "") + (mem:DI (and:DI (match_operand:DI 1 "address_operand" "") + (const_int -8)))) + (set (match_operand:DI 3 "register_operand" "") + (match_dup 1)) + (set (subreg:DI (match_operand:QI 0 "register_operand" "") 0) + (zero_extract:DI (match_dup 2) + (const_int 8) + (ashift:DI (match_dup 3) (const_int 3))))] + "" + "") + +;; For this, the address must already be in a register. We also need two +;; DImode temporaries, neither of which may overlap the input (and hence the +;; output, since they might be the same register), but both of which may +;; be the same. + +(define_expand "unaligned_loadhi" + [(set (match_operand:DI 2 "register_operand" "") + (and:DI (match_operand:DI 1 "register_operand" "") + (const_int -7))) + (set (match_operand:DI 3 "register_operand" "") + (mem:DI (match_dup 2))) + (set (match_operand:DI 4 "register_operand" "") + (and:DI (match_dup 1) (const_int -2))) + (set (subreg:DI (match_operand:HI 0 "register_operand" "") 0) + (zero_extract:DI (match_dup 3) + (const_int 16) + (ashift:DI (match_dup 4) (const_int 3))))] + "" + "") + +;; Storing an aligned byte or word requires two temporaries. Operand 0 is the +;; aligned SImode MEM. Operand 1 is the register containing the +;; byte or word to store. Operand 2 is the number of bits within the word that +;; the value should be placed. Operands 3 and 4 are SImode temporaries. + +(define_expand "aligned_store" + [(set (match_operand:SI 3 "register_operand" "") + (match_operand:SI 0 "memory_operand" "")) + (set (subreg:DI (match_dup 3) 0) + (and:DI (subreg:DI (match_dup 3) 0) (match_dup 5))) + (set (subreg:DI (match_operand:SI 4 "register_operand" "") 0) + (ashift:DI (zero_extend:DI (match_operand 1 "register_operand" "")) + (match_operand:DI 2 "const_int_operand" ""))) + (set (subreg:DI (match_dup 4) 0) + (ior:DI (subreg:DI (match_dup 4) 0) (subreg:DI (match_dup 3) 0))) + (set (match_dup 0) (match_dup 4))] + "" + " +{ operands[5] = GEN_INT (~ (GET_MODE_MASK (GET_MODE (operands[1])) + << INTVAL (operands[2]))); +}") + +;; For the unaligned byte case, we use code similar to that in the +;; Architecture book, but reordered to lower the number of registers +;; required. Operand 0 is the address. Operand 1 is the data to store. +;; Operands 2, 3, and 4 are DImode temporaries, where operands 2 and 4 may +;; be the same temporary, if desired. If the address is in a register, +;; operand 2 can be that register. + +(define_expand "unaligned_storeqi" + [(set (match_operand:DI 3 "register_operand" "") + (mem:DI (and:DI (match_operand:DI 0 "address_operand" "") + (const_int -8)))) + (set (match_operand:DI 2 "register_operand" "") + (match_dup 0)) + (set (match_dup 3) + (and:DI (not:DI (ashift:DI (const_int 255) + (ashift:DI (match_dup 2) (const_int 3)))) + (match_dup 3))) + (set (match_operand:DI 4 "register_operand" "") + (ashift:DI (zero_extend:DI (match_operand:QI 1 "register_operand" "")) + (ashift:DI (match_dup 2) (const_int 3)))) + (set (match_dup 4) (ior:DI (match_dup 4) (match_dup 3))) + (set (mem:DI (and:DI (match_dup 0) (const_int -8))) + (match_dup 4))] + "" + "") + +;; This is the code for storing into an unaligned short. It uses the same +;; trick as loading from an unaligned short. It needs lots of temporaries. +;; However, during reload, we only have two registers available. So we +;; repeat code so that only two temporaries are available. During RTL +;; generation, we can use different pseudos for each temporary and CSE +;; will remove the redundancies. During reload, we have to settle with +;; what we get. Luckily, unaligned accesses of this kind produced during +;; reload are quite rare. +;; +;; Operand 0 is the address of the memory location. Operand 1 contains the +;; data to store. The rest of the operands are all temporaries, with +;; various overlap possibilities during reload. See reload_outhi for +;; details of this use. + +(define_expand "unaligned_storehi" + [(set (match_operand:DI 2 "register_operand" "") + (match_operand:DI 0 "address_operand" "")) + (set (match_operand:DI 3 "register_operand" "") + (and:DI (match_dup 2) (const_int -7))) + (set (match_operand:DI 4 "register_operand" "") + (mem:DI (match_dup 3))) + (set (match_operand:DI 10 "register_operand" "") + (and:DI (match_dup 2) (const_int -2))) + (set (match_operand:DI 5 "register_operand" "") + (and:DI (not:DI (ashift:DI (const_int 65535) + (ashift:DI (match_dup 10) (const_int 3)))) + (match_dup 4))) + (set (match_operand:DI 6 "register_operand" "") + (ashift:DI (zero_extend:DI (match_operand:HI 1 "register_operand" "")) + (ashift:DI (match_dup 10) (const_int 3)))) + (set (match_operand:DI 7 "register_operand" "") + (ior:DI (match_dup 5) (match_dup 6))) + (set (match_operand:DI 8 "register_operand" "") (match_dup 0)) + (set (match_operand:DI 9 "register_operand" "") + (and:DI (match_dup 8) (const_int -7))) + (set (mem:DI (match_dup 9)) (match_dup 7))] + "" + "") + +;; Here are the define_expand's for QI and HI moves that use the above +;; patterns. We have the normal sets, plus the ones that need scratch +;; registers for reload. + +(define_expand "movqi" + [(set (match_operand:QI 0 "general_operand" "") + (match_operand:QI 1 "general_operand" ""))] + "" + " +{ extern rtx get_unaligned_address (); + + /* If the output is not a register, the input must be. */ + if (GET_CODE (operands[0]) == MEM) + operands[1] = force_reg (QImode, operands[1]); + + /* Handle four memory cases, unaligned and aligned for either the input + or the output. The only case where we can be called during reload is + for aligned loads; all other cases require temporaries. */ + + if (GET_CODE (operands[1]) == MEM + || (GET_CODE (operands[1]) == SUBREG + && GET_CODE (SUBREG_REG (operands[1])) == MEM) + || (reload_in_progress && GET_CODE (operands[1]) == REG + && REGNO (operands[1]) >= FIRST_PSEUDO_REGISTER) + || (reload_in_progress && GET_CODE (operands[1]) == SUBREG + && GET_CODE (SUBREG_REG (operands[1])) == REG + && REGNO (SUBREG_REG (operands[1])) >= FIRST_PSEUDO_REGISTER)) + { + if (aligned_memory_operand (operands[1], QImode)) + { + rtx aligned_mem, bitnum; + rtx scratch = (reload_in_progress + ? gen_rtx (REG, SImode, REGNO (operands[0])) + : gen_reg_rtx (SImode)); + + get_aligned_mem (operands[1], &aligned_mem, &bitnum); + + emit_insn (gen_aligned_loadqi (operands[0], aligned_mem, bitnum, + scratch)); + } + else + { + /* Don't pass these as parameters since that makes the generated + code depend on parameter evaluation order which will cause + bootstrap failures. */ + + rtx temp1 = gen_reg_rtx (DImode); + rtx temp2 = gen_reg_rtx (DImode); + rtx seq = gen_unaligned_loadqi (operands[0], + get_unaligned_address (operands[1]), + temp1, temp2); + + alpha_set_memflags (seq, operands[1]); + emit_insn (seq); + } + + DONE; + } + + else if (GET_CODE (operands[0]) == MEM + || (GET_CODE (operands[0]) == SUBREG + && GET_CODE (SUBREG_REG (operands[0])) == MEM) + || (reload_in_progress && GET_CODE (operands[0]) == REG + && REGNO (operands[0]) >= FIRST_PSEUDO_REGISTER) + || (reload_in_progress && GET_CODE (operands[0]) == SUBREG + && GET_CODE (SUBREG_REG (operands[0])) == REG + && REGNO (operands[0]) >= FIRST_PSEUDO_REGISTER)) + { + if (aligned_memory_operand (operands[0], QImode)) + { + rtx aligned_mem, bitnum; + rtx temp1 = gen_reg_rtx (SImode); + rtx temp2 = gen_reg_rtx (SImode); + + get_aligned_mem (operands[0], &aligned_mem, &bitnum); + + emit_insn (gen_aligned_store (aligned_mem, operands[1], bitnum, + temp1, temp2)); + } + else + { + rtx temp1 = gen_reg_rtx (DImode); + rtx temp2 = gen_reg_rtx (DImode); + rtx temp3 = gen_reg_rtx (DImode); + rtx seq = gen_unaligned_storeqi (get_unaligned_address (operands[0]), + operands[1], temp1, temp2, temp3); + + alpha_set_memflags (seq, operands[0]); + emit_insn (seq); + } + DONE; + } +}") + +(define_expand "movhi" + [(set (match_operand:HI 0 "general_operand" "") + (match_operand:HI 1 "general_operand" ""))] + "" + " +{ extern rtx get_unaligned_address (); + + /* If the output is not a register, the input must be. */ + if (GET_CODE (operands[0]) == MEM) + operands[1] = force_reg (HImode, operands[1]); + + /* Handle four memory cases, unaligned and aligned for either the input + or the output. The only case where we can be called during reload is + for aligned loads; all other cases require temporaries. */ + + if (GET_CODE (operands[1]) == MEM + || (GET_CODE (operands[1]) == SUBREG + && GET_CODE (SUBREG_REG (operands[1])) == MEM) + || (reload_in_progress && GET_CODE (operands[1]) == REG + && REGNO (operands[1]) >= FIRST_PSEUDO_REGISTER) + || (reload_in_progress && GET_CODE (operands[1]) == SUBREG + && GET_CODE (SUBREG_REG (operands[1])) == REG + && REGNO (SUBREG_REG (operands[1])) >= FIRST_PSEUDO_REGISTER)) + { + if (aligned_memory_operand (operands[1], HImode)) + { + rtx aligned_mem, bitnum; + rtx scratch = (reload_in_progress + ? gen_rtx (REG, SImode, REGNO (operands[0])) + : gen_reg_rtx (SImode)); + + get_aligned_mem (operands[1], &aligned_mem, &bitnum); + + emit_insn (gen_aligned_loadhi (operands[0], aligned_mem, bitnum, + scratch)); + } + else + { + rtx addr + = force_reg (DImode, + force_operand (get_unaligned_address (operands[1]), + NULL_RTX)); + rtx scratch1 = gen_reg_rtx (DImode); + rtx scratch2 = gen_reg_rtx (DImode); + rtx scratch3 = gen_reg_rtx (DImode); + + rtx seq = gen_unaligned_loadhi (operands[0], addr, scratch1, + scratch2, scratch3); + + alpha_set_memflags (seq, operands[1]); + emit_insn (seq); + } + + DONE; + } + + else if (GET_CODE (operands[0]) == MEM + || (GET_CODE (operands[0]) == SUBREG + && GET_CODE (SUBREG_REG (operands[0])) == MEM) + || (reload_in_progress && GET_CODE (operands[0]) == REG + && REGNO (operands[0]) >= FIRST_PSEUDO_REGISTER) + || (reload_in_progress && GET_CODE (operands[0]) == SUBREG + && GET_CODE (SUBREG_REG (operands[0])) == REG + && REGNO (operands[0]) >= FIRST_PSEUDO_REGISTER)) + { + if (aligned_memory_operand (operands[0], HImode)) + { + rtx aligned_mem, bitnum; + rtx temp1 = gen_reg_rtx (SImode); + rtx temp2 = gen_reg_rtx (SImode); + + get_aligned_mem (operands[0], &aligned_mem, &bitnum); + + emit_insn (gen_aligned_store (aligned_mem, operands[1], bitnum, + temp1, temp2)); + } + else + { + rtx temp1 = gen_reg_rtx (DImode); + rtx temp2 = gen_reg_rtx (DImode); + rtx temp3 = gen_reg_rtx (DImode); + rtx temp4 = gen_reg_rtx (DImode); + rtx temp5 = gen_reg_rtx (DImode); + rtx temp6 = gen_reg_rtx (DImode); + rtx temp7 = gen_reg_rtx (DImode); + rtx temp8 = gen_reg_rtx (DImode); + rtx temp9 = gen_reg_rtx (DImode); + + rtx seq = gen_unaligned_storehi (get_unaligned_address (operands[0]), + operands[1], temp1, temp2,temp3, + temp4, temp5, temp6,temp7, + temp8, temp9); + + alpha_set_memflags (seq, operands[0]); + emit_insn (seq); + } + + DONE; + } +}") + +;; Here are the versions for reload. Note that in the unaligned cases +;; we know that the operand must not be a pseudo-register because stack +;; slots are always aligned references. + +(define_expand "reload_inqi" + [(parallel [(match_operand:QI 0 "register_operand" "=r") + (match_operand:QI 1 "unaligned_memory_operand" "m") + (match_operand:TI 2 "register_operand" "=&r")])] + "" + " +{ extern rtx get_unaligned_address (); + rtx addr = get_unaligned_address (operands[1]); + /* It is possible that one of the registers we got for operands[2] + might coincide with that of operands[0] (which is why we made + it TImode). Pick the other one to use as our scratch. */ + rtx scratch = gen_rtx (REG, DImode, + REGNO (operands[0]) == REGNO (operands[2]) + ? REGNO (operands[2]) + 1 : REGNO (operands[2])); + rtx seq = gen_unaligned_loadqi (operands[0], addr, scratch, + gen_rtx (REG, DImode, REGNO (operands[0]))); + + alpha_set_memflags (seq, operands[1]); + emit_insn (seq); + DONE; +}") + +(define_expand "reload_inhi" + [(parallel [(match_operand:HI 0 "register_operand" "=r") + (match_operand:HI 1 "unaligned_memory_operand" "m") + (match_operand:TI 2 "register_operand" "=&r")])] + "" + " +{ extern rtx get_unaligned_address (); + rtx addr = get_unaligned_address (operands[1]); + rtx scratch1 = gen_rtx (REG, DImode, REGNO (operands[2])); + rtx scratch2 = gen_rtx (REG, DImode, REGNO (operands[2]) + 1); + rtx seq; + + if (GET_CODE (addr) != REG) + { + emit_insn (gen_rtx (SET, VOIDmode, scratch2, addr)); + addr = scratch2; + } + + seq = gen_unaligned_loadhi (operands[0], addr, scratch1, scratch1, scratch2); + alpha_set_memflags (seq, operands[1]); + emit_insn (seq); + DONE; +}") + +(define_expand "reload_outqi" + [(parallel [(match_operand:QI 0 "any_memory_operand" "=m") + (match_operand:QI 1 "register_operand" "r") + (match_operand:TI 2 "register_operand" "=&r")])] + "" + " +{ extern rtx get_unaligned_address (); + + if (aligned_memory_operand (operands[0], QImode)) + { + rtx aligned_mem, bitnum; + + get_aligned_mem (operands[0], &aligned_mem, &bitnum); + + emit_insn (gen_aligned_store (aligned_mem, operands[1], bitnum, + gen_rtx (REG, SImode, REGNO (operands[2])), + gen_rtx (REG, SImode, + REGNO (operands[2]) + 1))); + } + else + { + rtx addr = get_unaligned_address (operands[0]); + rtx scratch1 = gen_rtx (REG, DImode, REGNO (operands[2])); + rtx scratch2 = gen_rtx (REG, DImode, REGNO (operands[2]) + 1); + rtx scratch3 = scratch1; + rtx seq; + + if (GET_CODE (addr) == REG) + scratch1 = addr; + + seq = gen_unaligned_storeqi (addr, operands[1], scratch1, + scratch2, scratch3); + alpha_set_memflags (seq, operands[0]); + emit_insn (seq); + } + + DONE; +}") + +(define_expand "reload_outhi" + [(parallel [(match_operand:HI 0 "any_memory_operand" "=m") + (match_operand:HI 1 "register_operand" "r") + (match_operand:TI 2 "register_operand" "=&r")])] + "" + " +{ extern rtx get_unaligned_address (); + + if (aligned_memory_operand (operands[0], HImode)) + { + rtx aligned_mem, bitnum; + + get_aligned_mem (operands[0], &aligned_mem, &bitnum); + + emit_insn (gen_aligned_store (aligned_mem, operands[1], bitnum, + gen_rtx (REG, SImode, REGNO (operands[2])), + gen_rtx (REG, SImode, + REGNO (operands[2]) + 1))); + } + else + { + rtx addr = get_unaligned_address (operands[0]); + rtx scratch1 = gen_rtx (REG, DImode, REGNO (operands[2])); + rtx scratch2 = gen_rtx (REG, DImode, REGNO (operands[2]) + 1); + rtx scratch_a = GET_CODE (addr) == REG ? addr : scratch1; + rtx seq; + + seq = gen_unaligned_storehi (addr, operands[1], scratch_a, + scratch2, scratch2, scratch2, + scratch1, scratch2, scratch_a, + scratch1, scratch_a); + alpha_set_memflags (seq, operands[0]); + emit_insn (seq); + } + + DONE; +}") + +;; Subroutine of stack space allocation. Perform a stack probe. +(define_expand "probe_stack" + [(set (match_dup 1) (match_operand:DI 0 "const_int_operand" ""))] + "" + " +{ + operands[1] = gen_rtx (MEM, DImode, plus_constant (stack_pointer_rtx, + INTVAL (operands[0]))); + MEM_VOLATILE_P (operands[1]) = 1; + + operands[0] = const0_rtx; +}") + +;; This is how we allocate stack space. If we are allocating a +;; constant amount of space and we know it is less than 4096 +;; bytes, we need do nothing. +;; +;; If it is more than 4096 bytes, we need to probe the stack +;; periodically. +(define_expand "allocate_stack" + [(set (reg:DI 30) + (plus:DI (reg:DI 30) + (match_operand:DI 0 "reg_or_cint_operand" "")))] + "" + " +{ + if (GET_CODE (operands[0]) == CONST_INT + && INTVAL (operands[0]) < 32768) + { + if (INTVAL (operands[0]) >= 4096) + { + /* We do this the same way as in the prologue and generate explicit + probes. Then we update the stack by the constant. */ + + int probed = 4096; + + emit_insn (gen_probe_stack (GEN_INT (- probed))); + while (probed + 8192 < INTVAL (operands[0])) + emit_insn (gen_probe_stack (GEN_INT (- (probed += 8192)))); + + if (probed + 4096 < INTVAL (operands[0])) + emit_insn (gen_probe_stack (GEN_INT (- INTVAL(operands[0])))); + } + + operands[0] = GEN_INT (- INTVAL (operands[0])); + } + else + { + rtx out_label = 0; + rtx loop_label = gen_label_rtx (); + rtx want = gen_reg_rtx (Pmode); + rtx tmp = gen_reg_rtx (Pmode); + rtx memref; + + emit_insn (gen_subdi3 (want, stack_pointer_rtx, + force_reg (Pmode, operands[0]))); + emit_insn (gen_adddi3 (tmp, stack_pointer_rtx, GEN_INT (-4096))); + + if (GET_CODE (operands[0]) != CONST_INT) + { + out_label = gen_label_rtx (); + emit_insn (gen_cmpdi (want, tmp)); + emit_jump_insn (gen_bgeu (out_label)); + } + + emit_label (loop_label); + memref = gen_rtx (MEM, DImode, tmp); + MEM_VOLATILE_P (memref) = 1; + emit_move_insn (memref, const0_rtx); + emit_insn (gen_adddi3 (tmp, tmp, GEN_INT(-8192))); + emit_insn (gen_cmpdi (tmp, want)); + emit_jump_insn (gen_bgtu (loop_label)); + memref = gen_rtx (MEM, DImode, want); + MEM_VOLATILE_P (memref) = 1; + emit_move_insn (memref, const0_rtx); + + if (out_label) + emit_label (out_label); + + emit_move_insn (stack_pointer_rtx, want); + + DONE; + } +}") diff --git a/contrib/gcc/config/alpha/elf.h b/contrib/gcc/config/alpha/elf.h new file mode 100644 index 0000000..82f0410 --- /dev/null +++ b/contrib/gcc/config/alpha/elf.h @@ -0,0 +1,524 @@ +/* Definitions of target machine for GNU compiler, for DEC Alpha w/ELF. + Copyright (C) 1996 Free Software Foundation, Inc. + Contributed by Richard Henderson (rth@tamu.edu). + +This file is part of GNU CC. + +GNU CC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU CC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU CC; see the file COPYING. If not, write to +the Free Software Foundation, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +/* This is used on Alpha platforms that use the ELF format. +Currently only Linux uses this. */ + +#if 0 +#include "alpha/linux.h" +#endif + +#undef TARGET_VERSION +#define TARGET_VERSION fprintf (stderr, " (Alpha Linux/ELF)"); + +#undef OBJECT_FORMAT_COFF +#undef EXTENDED_COFF +#define OBJECT_FORMAT_ELF + +#define SDB_DEBUGGING_INFO + +#undef ASM_FINAL_SPEC + +#undef CPP_PREDEFINES +#define CPP_PREDEFINES "\ +-D__alpha -D__alpha__ -D__linux__ -D__linux -D_LONGLONG -Dlinux -Dunix \ +-Asystem(linux) -Acpu(alpha) -Amachine(alpha) -D__ELF__" + +#undef LINK_SPEC +#define LINK_SPEC "-m elf64alpha -G 8 %{O*:-O3} %{!O*:-O1} \ + %{shared:-shared} \ + %{!shared: \ + %{!static: \ + %{rdynamic:-export-dynamic} \ + %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}} \ + %{static:-static}}" + +/* Output at beginning of assembler file. */ + +#undef ASM_FILE_START +#define ASM_FILE_START(FILE) \ +{ \ + alpha_write_verstamp (FILE); \ + output_file_directive (FILE, main_input_filename); \ + fprintf (FILE, "\t.version\t\"01.01\"\n"); \ + fprintf (FILE, "\t.set noat\n"); \ +} + +#define ASM_OUTPUT_SOURCE_LINE(STREAM, LINE) \ + alpha_output_lineno (STREAM, LINE) +extern void alpha_output_lineno (); + +extern void output_file_directive (); + +/* Attach a special .ident directive to the end of the file to identify + the version of GCC which compiled this code. The format of the + .ident string is patterned after the ones produced by native svr4 + C compilers. */ + +#define IDENT_ASM_OP ".ident" + +#ifdef IDENTIFY_WITH_IDENT +#define ASM_IDENTIFY_GCC(FILE) /* nothing */ +#define ASM_IDENTIFY_LANGUAGE(FILE) \ + fprintf(FILE, "\t%s \"GCC (%s) %s\"\n", IDENT_ASM_OP, \ + lang_identify(), version_string) +#else +#define ASM_FILE_END(FILE) \ +do { \ + fprintf ((FILE), "\t%s\t\"GCC: (GNU) %s\"\n", \ + IDENT_ASM_OP, version_string); \ + } while (0) +#endif + +/* Allow #sccs in preprocessor. */ + +#define SCCS_DIRECTIVE + +/* Output #ident as a .ident. */ + +#define ASM_OUTPUT_IDENT(FILE, NAME) \ + fprintf (FILE, "\t%s\t\"%s\"\n", IDENT_ASM_OP, NAME); + +/* This is how to allocate empty space in some section. The .zero + pseudo-op is used for this on most svr4 assemblers. */ + +#define SKIP_ASM_OP ".zero" + +#undef ASM_OUTPUT_SKIP +#define ASM_OUTPUT_SKIP(FILE,SIZE) \ + fprintf (FILE, "\t%s\t%u\n", SKIP_ASM_OP, (SIZE)) + +/* Output the label which precedes a jumptable. Note that for all svr4 + systems where we actually generate jumptables (which is to say every + svr4 target except i386, where we use casesi instead) we put the jump- + tables into the .rodata section and since other stuff could have been + put into the .rodata section prior to any given jumptable, we have to + make sure that the location counter for the .rodata section gets pro- + perly re-aligned prior to the actual beginning of the jump table. */ + +#define ALIGN_ASM_OP ".align" + +#ifndef ASM_OUTPUT_BEFORE_CASE_LABEL +#define ASM_OUTPUT_BEFORE_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \ + ASM_OUTPUT_ALIGN ((FILE), 2); +#endif + +#undef ASM_OUTPUT_CASE_LABEL +#define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,JUMPTABLE) \ + do { \ + ASM_OUTPUT_BEFORE_CASE_LABEL (FILE, PREFIX, NUM, JUMPTABLE) \ + ASM_OUTPUT_INTERNAL_LABEL (FILE, PREFIX, NUM); \ + } while (0) + +/* The standard SVR4 assembler seems to require that certain builtin + library routines (e.g. .udiv) be explicitly declared as .globl + in each assembly file where they are referenced. */ + +#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \ + ASM_GLOBALIZE_LABEL (FILE, XSTR (FUN, 0)) + +/* This says how to output assembler code to declare an + uninitialized external linkage data object. Under SVR4, + the linker seems to want the alignment of data objects + to depend on their types. We do exactly that here. */ + +#define COMMON_ASM_OP ".comm" + +#undef ASM_OUTPUT_ALIGNED_COMMON +#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \ +do { \ + fprintf ((FILE), "\t%s\t", COMMON_ASM_OP); \ + assemble_name ((FILE), (NAME)); \ + fprintf ((FILE), ",%u,%u\n", (SIZE), (ALIGN) / BITS_PER_UNIT); \ +} while (0) + +/* This says how to output assembler code to declare an + uninitialized internal linkage data object. Under SVR4, + the linker seems to want the alignment of data objects + to depend on their types. We do exactly that here. */ + +#define LOCAL_ASM_OP ".local" + +#undef ASM_OUTPUT_ALIGNED_LOCAL +#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \ +do { \ + fprintf ((FILE), "\t%s\t", LOCAL_ASM_OP); \ + assemble_name ((FILE), (NAME)); \ + fprintf ((FILE), "\n"); \ + ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \ +} while (0) + +/* This is the pseudo-op used to generate a 64-bit word of data with a + specific value in some section. */ + +#define INT_ASM_OP ".quad" + +/* This is the pseudo-op used to generate a contiguous sequence of byte + values from a double-quoted string WITHOUT HAVING A TERMINATING NUL + AUTOMATICALLY APPENDED. This is the same for most svr4 assemblers. */ + +#undef ASCII_DATA_ASM_OP +#define ASCII_DATA_ASM_OP ".ascii" + +/* Support const sections and the ctors and dtors sections for g++. + Note that there appears to be two different ways to support const + sections at the moment. You can either #define the symbol + READONLY_DATA_SECTION (giving it some code which switches to the + readonly data section) or else you can #define the symbols + EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, SELECT_SECTION, and + SELECT_RTX_SECTION. We do both here just to be on the safe side. */ + +#define USE_CONST_SECTION 1 + +#define CONST_SECTION_ASM_OP ".section\t.rodata" + +/* Define the pseudo-ops used to switch to the .ctors and .dtors sections. + + Note that we want to give these sections the SHF_WRITE attribute + because these sections will actually contain data (i.e. tables of + addresses of functions in the current root executable or shared library + file) and, in the case of a shared library, the relocatable addresses + will have to be properly resolved/relocated (and then written into) by + the dynamic linker when it actually attaches the given shared library + to the executing process. (Note that on SVR4, you may wish to use the + `-z text' option to the ELF linker, when building a shared library, as + an additional check that you are doing everything right. But if you do + use the `-z text' option when building a shared library, you will get + errors unless the .ctors and .dtors sections are marked as writable + via the SHF_WRITE attribute.) */ + +#define CTORS_SECTION_ASM_OP ".section\t.ctors,\"aw\"" +#define DTORS_SECTION_ASM_OP ".section\t.dtors,\"aw\"" + +/* On svr4, we *do* have support for the .init and .fini sections, and we + can put stuff in there to be executed before and after `main'. We let + crtstuff.c and other files know this by defining the following symbols. + The definitions say how to change sections to the .init and .fini + sections. This is the same for all known svr4 assemblers. */ + +#define INIT_SECTION_ASM_OP ".section\t.init" +#define FINI_SECTION_ASM_OP ".section\t.fini" + +/* Support non-common, uninitialized data in the .bss section. */ + +#define BSS_SECTION_ASM_OP ".section\t.bss" + +/* A default list of other sections which we might be "in" at any given + time. For targets that use additional sections (e.g. .tdesc) you + should override this definition in the target-specific file which + includes this file. */ + +#undef EXTRA_SECTIONS +#define EXTRA_SECTIONS in_const, in_ctors, in_dtors, in_bss + +/* A default list of extra section function definitions. For targets + that use additional sections (e.g. .tdesc) you should override this + definition in the target-specific file which includes this file. */ + +#undef EXTRA_SECTION_FUNCTIONS +#define EXTRA_SECTION_FUNCTIONS \ + CONST_SECTION_FUNCTION \ + CTORS_SECTION_FUNCTION \ + DTORS_SECTION_FUNCTION \ + BSS_SECTION_FUNCTION + +#undef READONLY_DATA_SECTION +#define READONLY_DATA_SECTION() const_section () + +extern void text_section (); + +#define CONST_SECTION_FUNCTION \ +void \ +const_section () \ +{ \ + if (!USE_CONST_SECTION) \ + text_section(); \ + else if (in_section != in_const) \ + { \ + fprintf (asm_out_file, "%s\n", CONST_SECTION_ASM_OP); \ + in_section = in_const; \ + } \ +} + +#define CTORS_SECTION_FUNCTION \ +void \ +ctors_section () \ +{ \ + if (in_section != in_ctors) \ + { \ + fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP); \ + in_section = in_ctors; \ + } \ +} + +#define DTORS_SECTION_FUNCTION \ +void \ +dtors_section () \ +{ \ + if (in_section != in_dtors) \ + { \ + fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP); \ + in_section = in_dtors; \ + } \ +} + +#define BSS_SECTION_FUNCTION \ +void \ +bss_section () \ +{ \ + if (in_section != in_bss) \ + { \ + fprintf (asm_out_file, "%s\n", BSS_SECTION_ASM_OP); \ + in_section = in_bss; \ + } \ +} + + +/* Switch into a generic section. + This is currently only used to support section attributes. + + We make the section read-only and executable for a function decl, + read-only for a const data decl, and writable for a non-const data decl. */ +#define ASM_OUTPUT_SECTION_NAME(FILE, DECL, NAME) \ + fprintf (FILE, ".section\t%s,\"%s\",@progbits\n", NAME, \ + (DECL) && TREE_CODE (DECL) == FUNCTION_DECL ? "ax" : \ + (DECL) && TREE_READONLY (DECL) ? "a" : "aw") + + +/* A C statement (sans semicolon) to output an element in the table of + global constructors. */ +#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \ + do { \ + ctors_section (); \ + fprintf (FILE, "\t%s\t ", INT_ASM_OP); \ + assemble_name (FILE, NAME); \ + fprintf (FILE, "\n"); \ + } while (0) + +/* A C statement (sans semicolon) to output an element in the table of + global destructors. */ +#define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \ + do { \ + dtors_section (); \ + fprintf (FILE, "\t%s\t ", INT_ASM_OP); \ + assemble_name (FILE, NAME); \ + fprintf (FILE, "\n"); \ + } while (0) + +/* A C statement or statements to switch to the appropriate + section for output of DECL. DECL is either a `VAR_DECL' node + or a constant of some sort. RELOC indicates whether forming + the initial value of DECL requires link-time relocations. */ + +#define SELECT_SECTION(DECL,RELOC) \ +{ \ + if (TREE_CODE (DECL) == STRING_CST) \ + { \ + if (! flag_writable_strings) \ + const_section (); \ + else \ + data_section (); \ + } \ + else if (TREE_CODE (DECL) == VAR_DECL) \ + { \ + if ((flag_pic && RELOC) \ + || !TREE_READONLY (DECL) || TREE_SIDE_EFFECTS (DECL) \ + || !DECL_INITIAL (DECL) \ + || (DECL_INITIAL (DECL) != error_mark_node \ + && !TREE_CONSTANT (DECL_INITIAL (DECL)))) \ + { \ + if (DECL_COMMON (DECL) \ + && !DECL_INITIAL (DECL)) \ + /* || DECL_INITIAL (DECL) == error_mark_node)) */ \ + bss_section(); \ + else \ + data_section (); \ + } \ + else \ + const_section (); \ + } \ + else \ + const_section (); \ +} + +/* A C statement or statements to switch to the appropriate + section for output of RTX in mode MODE. RTX is some kind + of constant in RTL. The argument MODE is redundant except + in the case of a `const_int' rtx. Currently, these always + go into the const section. */ + +#undef SELECT_RTX_SECTION +#define SELECT_RTX_SECTION(MODE,RTX) const_section() + +/* Define the strings used for the special svr4 .type and .size directives. + These strings generally do not vary from one system running svr4 to + another, but if a given system (e.g. m88k running svr) needs to use + different pseudo-op names for these, they may be overridden in the + file which includes this one. */ + +#define TYPE_ASM_OP ".type" +#define SIZE_ASM_OP ".size" + +/* This is how we tell the assembler that a symbol is weak. */ + +#define ASM_WEAKEN_LABEL(FILE,NAME) \ + do { fputs ("\t.weak\t", FILE); assemble_name (FILE, NAME); \ + fputc ('\n', FILE); } while (0) + +/* This is how we tell the assembler that two symbols have the same value. */ + +#define ASM_OUTPUT_DEF(FILE,NAME1,NAME2) \ + do { assemble_name(FILE, NAME1); \ + fputs(" = ", FILE); \ + assemble_name(FILE, NAME2); \ + fputc('\n', FILE); } while (0) + +/* The following macro defines the format used to output the second + operand of the .type assembler directive. Different svr4 assemblers + expect various different forms for this operand. The one given here + is just a default. You may need to override it in your machine- + specific tm.h file (depending upon the particulars of your assembler). */ + +#define TYPE_OPERAND_FMT "@%s" + +/* Write the extra assembler code needed to declare a function's result. + Most svr4 assemblers don't require any special declaration of the + result value, but there are exceptions. */ + +#ifndef ASM_DECLARE_RESULT +#define ASM_DECLARE_RESULT(FILE, RESULT) +#endif + +/* These macros generate the special .type and .size directives which + are used to set the corresponding fields of the linker symbol table + entries in an ELF object file under SVR4. These macros also output + the starting labels for the relevant functions/objects. */ + +/* Write the extra assembler code needed to declare an object properly. */ + +#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \ + do { \ + fprintf (FILE, "\t%s\t ", TYPE_ASM_OP); \ + assemble_name (FILE, NAME); \ + putc (',', FILE); \ + fprintf (FILE, TYPE_OPERAND_FMT, "object"); \ + putc ('\n', FILE); \ + size_directive_output = 0; \ + if (!flag_inhibit_size_directive && DECL_SIZE (DECL)) \ + { \ + size_directive_output = 1; \ + fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \ + assemble_name (FILE, NAME); \ + fprintf (FILE, ",%d\n", int_size_in_bytes (TREE_TYPE (DECL))); \ + } \ + ASM_OUTPUT_LABEL(FILE, NAME); \ + } while (0) + +/* Output the size directive for a decl in rest_of_decl_compilation + in the case where we did not do so before the initializer. + Once we find the error_mark_node, we know that the value of + size_directive_output was set + by ASM_DECLARE_OBJECT_NAME when it was run for the same decl. */ + +#define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END) \ +do { \ + char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0); \ + if (!flag_inhibit_size_directive && DECL_SIZE (DECL) \ + && ! AT_END && TOP_LEVEL \ + && DECL_INITIAL (DECL) == error_mark_node \ + && !size_directive_output) \ + { \ + size_directive_output = 1; \ + fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \ + assemble_name (FILE, name); \ + fprintf (FILE, ",%d\n", int_size_in_bytes (TREE_TYPE (DECL))); \ + } \ + } while (0) + +/* A table of bytes codes used by the ASM_OUTPUT_ASCII and + ASM_OUTPUT_LIMITED_STRING macros. Each byte in the table + corresponds to a particular byte value [0..255]. For any + given byte value, if the value in the corresponding table + position is zero, the given character can be output directly. + If the table value is 1, the byte must be output as a \ooo + octal escape. If the tables value is anything else, then the + byte value should be output as a \ followed by the value + in the table. Note that we can use standard UN*X escape + sequences for many control characters, but we don't use + \a to represent BEL because some svr4 assemblers (e.g. on + the i386) don't know about that. Also, we don't use \v + since some versions of gas, such as 2.2 did not accept it. */ + +#define ESCAPES \ +"\1\1\1\1\1\1\1\1btn\1fr\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\ +\0\0\"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\ +\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\\\0\0\0\ +\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1\ +\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\ +\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\ +\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\ +\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1" + +/* Some svr4 assemblers have a limit on the number of characters which + can appear in the operand of a .string directive. If your assembler + has such a limitation, you should define STRING_LIMIT to reflect that + limit. Note that at least some svr4 assemblers have a limit on the + actual number of bytes in the double-quoted string, and that they + count each character in an escape sequence as one byte. Thus, an + escape sequence like \377 would count as four bytes. + + If your target assembler doesn't support the .string directive, you + should define this to zero. +*/ + +#define STRING_LIMIT ((unsigned) 256) + +#define STRING_ASM_OP ".string" + +/* + * We always use gas here, so we don't worry about ECOFF assembler problems. + */ +#undef TARGET_GAS +#define TARGET_GAS (1) + +#undef PREFERRED_DEBUGGING_TYPE +#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG + +/* Provide a STARTFILE_SPEC appropriate for Linux. Here we add + the Linux magical crtbegin.o file (see crtstuff.c) which + provides part of the support for getting C++ file-scope static + object constructed before entering `main'. */ + +#undef STARTFILE_SPEC +#define STARTFILE_SPEC \ + "%{!shared: \ + %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}\ + crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" + +/* Provide a ENDFILE_SPEC appropriate for Linux. Here we tack on + the Linux magical crtend.o file (see crtstuff.c) which + provides part of the support for getting C++ file-scope static + object constructed before entering `main', followed by a normal + Linux "finalizer" file, `crtn.o'. */ + +#undef ENDFILE_SPEC +#define ENDFILE_SPEC \ + "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s" diff --git a/contrib/gcc/config/alpha/freebsd.h b/contrib/gcc/config/alpha/freebsd.h new file mode 100644 index 0000000..24567a6 --- /dev/null +++ b/contrib/gcc/config/alpha/freebsd.h @@ -0,0 +1,103 @@ +/* XXX */ +/* + * This file was derived from source obtained from NetBSD/Alpha which + * is publicly available for ftp. The patch was developed by cgd@netbsd.org + * during the time he worked at CMU. He claims that CMU own this patch + * to gcc and that they have not (and will not) release the patch for + * incorporation in FSF sources. We are supposedly able to use the patch, + * but we are not allowed to forward it back to FSF for inclusion in + * their source releases. + * + * This all has me (jb@freebsd.org) confused because (a) I see no copyright + * messages that tell me that use is restricted; and (b) I expected that + * the patch was originally developed from other files which are subject + * to GPL. + * + * Use of this file is restricted until its CMU ownership is tested. + */ + +#include "alpha/alpha.h" + +#undef WCHAR_TYPE +#define WCHAR_TYPE "int" + +#undef WCHAR_TYPE_SIZE +#define WCHAR_TYPE_SIZE 32 + +/* FreeBSD-specific things: */ + +#undef CPP_PREDEFINES +#define CPP_PREDEFINES "-D__FreeBSD__ -D__alpha__ -D__alpha" + +/* Look for the include files in the system-defined places. */ + +#undef GPLUSPLUS_INCLUDE_DIR +#define GPLUSPLUS_INCLUDE_DIR "/usr/include/g++" + +#undef GCC_INCLUDE_DIR +#define GCC_INCLUDE_DIR "/usr/include" + +#undef INCLUDE_DEFAULTS +#define INCLUDE_DEFAULTS \ + { \ + { GPLUSPLUS_INCLUDE_DIR, 1, 1 }, \ + { GCC_INCLUDE_DIR, 0, 0 }, \ + { 0, 0, 0 } \ + } + + +/* Under FreeBSD, the normal location of the `ld' and `as' programs is the + /usr/bin directory. */ + +#undef MD_EXEC_PREFIX +#define MD_EXEC_PREFIX "/usr/bin/" + +/* Under FreeBSD, the normal location of the various *crt*.o files is the + /usr/lib directory. */ + +#undef MD_STARTFILE_PREFIX +#define MD_STARTFILE_PREFIX "/usr/lib/" + + +/* Provide a CPP_SPEC appropriate for FreeBSD. Current we just deal with + the GCC option `-posix'. */ + +#undef CPP_SPEC +#define CPP_SPEC "%{posix:-D_POSIX_SOURCE}" + +/* Provide an ASM_SPEC appropriate for FreeBSD. */ + +#undef ASM_SPEC +#define ASM_SPEC " %|" + +#undef ASM_FINAL_SPEC + +/* Provide a LIB_SPEC appropriate for FreeBSD. Just select the appropriate + libc, depending on whether we're doing profiling. */ + +#undef LIB_SPEC +#define LIB_SPEC "%{!shared:%{!pg:%{!pthread:-lc}%{pthread:-lpthread -lc}}%{pg:%{!pthread:-lc_p}%{pthread:-lpthread_p -lc_p}}}" + +/* Provide a LINK_SPEC appropriate for FreeBSD. Here we provide support + for the special GCC options -static, -assert, and -nostdlib. */ + +#undef LINK_SPEC +#define LINK_SPEC \ + "%{!nostdlib:%{!r*:%{!e*:-e __start}}} -dc -dp %{static:-Bstatic} %{assert*}" + +/* Output assembler code to FILE to increment profiler label # LABELNO + for profiling a function entry. Under FreeBSD/Alpha, the assembler does + nothing special with -pg. */ + +#undef FUNCTION_PROFILER +#define FUNCTION_PROFILER(FILE, LABELNO) \ + fputs ("\tjsr $28,_mcount\n", (FILE)); /* at */ + +/* Show that we need a GP when profiling. */ +#define TARGET_PROFILING_NEEDS_GP + +#define bsd4_4 +#undef HAS_INIT_SECTION + +#undef PREFERRED_DEBUGGING_TYPE +#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG diff --git a/contrib/gcc/config/alpha/gdb-osf12.h b/contrib/gcc/config/alpha/gdb-osf12.h new file mode 100644 index 0000000..98c2897 --- /dev/null +++ b/contrib/gcc/config/alpha/gdb-osf12.h @@ -0,0 +1,26 @@ +/* Definitions of target machine for GNU compiler, for DEC Alpha, using + encapsulated stabs and OSF V1.2. + Copyright (C) 1994 Free Software Foundation, Inc. + Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + +This file is part of GNU CC. + +GNU CC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU CC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU CC; see the file COPYING. If not, write to +the Free Software Foundation, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +#include "alpha/osf12.h" + +#undef PREFERRED_DEBUGGING_TYPE +#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG diff --git a/contrib/gcc/config/alpha/gdb-osf2.h b/contrib/gcc/config/alpha/gdb-osf2.h new file mode 100644 index 0000000..5ddb798 --- /dev/null +++ b/contrib/gcc/config/alpha/gdb-osf2.h @@ -0,0 +1,26 @@ +/* Definitions of target machine for GNU compiler, for DEC Alpha, using + encapsulated stabs. + Copyright (C) 1992, 1993 Free Software Foundation, Inc. + Contributed by Peter Schauer (pes@regent.e-technik.tu-muenchen.de). + +This file is part of GNU CC. + +GNU CC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU CC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU CC; see the file COPYING. If not, write to +the Free Software Foundation, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +#include "alpha/osf2.h" + +#undef PREFERRED_DEBUGGING_TYPE +#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG diff --git a/contrib/gcc/config/alpha/gdb.h b/contrib/gcc/config/alpha/gdb.h new file mode 100644 index 0000000..ecdbe40 --- /dev/null +++ b/contrib/gcc/config/alpha/gdb.h @@ -0,0 +1,26 @@ +/* Definitions of target machine for GNU compiler, for DEC Alpha, using + encapsulated stabs. + Copyright (C) 1992, 1993 Free Software Foundation, Inc. + Contributed by Peter Schauer (pes@regent.e-technik.tu-muenchen.de). + +This file is part of GNU CC. + +GNU CC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU CC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU CC; see the file COPYING. If not, write to +the Free Software Foundation, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +#include "alpha/alpha.h" + +#undef PREFERRED_DEBUGGING_TYPE +#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG diff --git a/contrib/gcc/config/alpha/osf12.h b/contrib/gcc/config/alpha/osf12.h new file mode 100644 index 0000000..fe9112c --- /dev/null +++ b/contrib/gcc/config/alpha/osf12.h @@ -0,0 +1,31 @@ +/* Definitions of target machine for GNU compiler, for DEC Alpha. + Copyright (C) 1992, 1993, 1995 Free Software Foundation, Inc. + Contributed by Richard Kenner (kenner@nyu.edu) + +This file is part of GNU CC. + +GNU CC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU CC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU CC; see the file COPYING. If not, write to +the Free Software Foundation, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + + +#include "alpha/alpha.h" + +/* In OSF 1.2, there is a linker bug that prevents use of -O3 to + the linker. */ + +#undef LINK_SPEC +#define LINK_SPEC \ + "-G 8 -O1 %{static:-non_shared} %{rpath*} \ + %{!static:%{shared:-shared} %{!shared:-call_shared}} %{taso}" diff --git a/contrib/gcc/config/alpha/osf2.h b/contrib/gcc/config/alpha/osf2.h new file mode 100644 index 0000000..169af5a --- /dev/null +++ b/contrib/gcc/config/alpha/osf2.h @@ -0,0 +1,32 @@ +/* Definitions of target machine for GNU compiler, for DEC Alpha. + Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc. + Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + +This file is part of GNU CC. + +GNU CC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU CC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU CC; see the file COPYING. If not, write to +the Free Software Foundation, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + + +#include "alpha/alpha.h" + +/* In OSF 2.0, the size of wchar_t was changed from short unsigned + to unsigned int. */ + +#undef WCHAR_TYPE +#define WCHAR_TYPE "unsigned int" + +#undef WCHAR_TYPE_SIZE +#define WCHAR_TYPE_SIZE 32 diff --git a/contrib/gcc/config/alpha/x-alpha b/contrib/gcc/config/alpha/x-alpha new file mode 100644 index 0000000..9919747 --- /dev/null +++ b/contrib/gcc/config/alpha/x-alpha @@ -0,0 +1 @@ +CLIB=-lmld diff --git a/contrib/gcc/config/alpha/xm-alpha.h b/contrib/gcc/config/alpha/xm-alpha.h new file mode 100644 index 0000000..642e1cf --- /dev/null +++ b/contrib/gcc/config/alpha/xm-alpha.h @@ -0,0 +1,78 @@ +/* Configuration for GNU C-compiler for DEC Alpha. + Copyright (C) 1990, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. + Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu). + +This file is part of GNU CC. + +GNU CC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU CC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU CC; see the file COPYING. If not, write to +the Free Software Foundation, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + + +/* #defines that need visibility everywhere. */ +#define FALSE 0 +#define TRUE 1 + +/* This describes the machine the compiler is hosted on. */ +#define HOST_BITS_PER_CHAR 8 +#define HOST_BITS_PER_SHORT 16 +#define HOST_BITS_PER_INT 32 +#define HOST_BITS_PER_LONG 64 +#define HOST_BITS_PER_LONGLONG 64 + +/* #define HOST_WORDS_BIG_ENDIAN */ + +/* target machine dependencies. + tm.h is a symbolic link to the actual target specific file. */ +#include "tm.h" + +/* Arguments to use with `exit'. */ +#define SUCCESS_EXIT_CODE 0 +#define FATAL_EXIT_CODE 33 + +/* If not compiled with GNU C, use the builtin alloca. */ +#if !defined(__GNUC__) && !defined(_WIN32) +#include +#else +extern void *alloca (); +#endif + +/* The host compiler has problems with enum bitfields since it makes + them signed so we can't fit all our codes in. */ + +#ifndef __GNUC__ +#define ONLY_INT_FIELDS +#endif + +/* Declare some functions needed for this machine. We don't want to + include these in the sources since other machines might define them + differently. */ + +extern void *malloc (), *realloc (), *calloc (); + +#ifndef inhibit_libc +#include "string.h" +#endif + +/* OSF/1 has vprintf. */ + +#define HAVE_VPRINTF + +/* OSF/1 has putenv. */ + +#define HAVE_PUTENV + +/* OSF/1 is POSIX.1 compliant. */ + +#define POSIX diff --git a/contrib/gcc/config/freebsd.h b/contrib/gcc/config/freebsd.h new file mode 100644 index 0000000..dc16976 --- /dev/null +++ b/contrib/gcc/config/freebsd.h @@ -0,0 +1,120 @@ +/* Base configuration file for all FreeBSD targets. + Copyright (C) 1999 Free Software Foundation, Inc. + +This file is part of GNU CC. + +GNU CC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU CC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU CC; see the file COPYING. If not, write to +the Free Software Foundation, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +/* Common FreeBSD configuration. + All FreeBSD architectures should include this file, which will specify + their commonalities. + Adapted from /usr/src/contrib/gcc/config/i386/freebsd.h & + egcs/gcc/config/i386/freebsd-elf.h version by David O'Brien */ + + +/* Don't assume anything about the header files. */ +#define NO_IMPLICIT_EXTERN_C + +/* This defines which switch letters take arguments. On svr4, most of + the normal cases (defined in gcc.c) apply, and we also have -h* and + -z* options (for the linker). We have a slightly different mix. We + have -R (alias --rpath), no -z, --soname (-h), --assert etc. */ + +#undef SWITCH_TAKES_ARG +#define SWITCH_TAKES_ARG(CHAR) \ + ( (CHAR) == 'D' \ + || (CHAR) == 'U' \ + || (CHAR) == 'o' \ + || (CHAR) == 'e' \ + || (CHAR) == 'T' \ + || (CHAR) == 'u' \ + || (CHAR) == 'I' \ + || (CHAR) == 'm' \ + || (CHAR) == 'x' \ + || (CHAR) == 'L' \ + || (CHAR) == 'A' \ + || (CHAR) == 'V' \ + || (CHAR) == 'B' \ + || (CHAR) == 'b' \ + || (CHAR) == 'h' \ + || (CHAR) == 'z' /* ignored by ld */ \ + || (CHAR) == 'R') + +#undef WORD_SWITCH_TAKES_ARG +#define WORD_SWITCH_TAKES_ARG(STR) \ + (DEFAULT_WORD_SWITCH_TAKES_ARG (STR) \ + || !strcmp (STR, "rpath") || !strcmp (STR, "rpath-link") \ + || !strcmp (STR, "soname") || !strcmp (STR, "defsym") \ + || !strcmp (STR, "assert") || !strcmp (STR, "dynamic-linker")) + + +#define CPP_FBSD_PREDEFINES "-Dunix -D__ELF__ -D__FreeBSD__=4 -D__FreeBSD_cc_version=400001 -Asystem(unix) -Asystem(FreeBSD)" + + +/* Code generation parameters. */ + +/* Don't default to pcc-struct-return, because gcc is the only compiler, and + we want to retain compatibility with older gcc versions. + (even though the svr4 ABI for the i386 says that records and unions are + returned in memory) */ +#define DEFAULT_PCC_STRUCT_RETURN 0 + +/* Ensure we the configuration knows our system correctly so we can link with + libraries compiled with the native cc. */ +#undef NO_DOLLAR_IN_LABEL + + +/* Miscellaneous parameters. */ + +/* Tell libgcc2.c that FreeBSD targets support atexit(3). */ +#define HAVE_ATEXIT + + +/* FREEBSD_NATIVE is defined when gcc is integrated into the FreeBSD + source tree so it can be configured appropriately without using + the GNU configure/build mechanism. */ + +#ifdef FREEBSD_NATIVE + +/* Look for the include files in the system-defined places. */ + +#define GPLUSPLUS_INCLUDE_DIR "/usr/include/g++" +#define GCC_INCLUDE_DIR "/usr/include" + +/* Now that GCC knows what the include path applies to, put the G++ one first. + C++ can now have include files that override the default C ones. */ +#define INCLUDE_DEFAULTS \ + { \ + { GPLUSPLUS_INCLUDE_DIR, "C++", 1, 1 }, \ + { GCC_INCLUDE_DIR, "GCC", 0, 0 }, \ + { 0, 0, 0, 0 } \ + } + +/* Under FreeBSD, the normal location of the compiler back ends is the + /usr/libexec directory. */ + +#define STANDARD_EXEC_PREFIX "/usr/libexec/" +#define TOOLDIR_BASE_PREFIX "/usr/libexec/" + +/* Under FreeBSD, the normal location of the various *crt*.o files is the + /usr/lib directory. */ + +#define STANDARD_STARTFILE_PREFIX "/usr/lib/" + +/* FreeBSD is 4.4BSD derived */ +#define bsd4_4 + +#endif /* FREEBSD_NATIVE */ diff --git a/contrib/gcc/config/i386/freebsd-elf.h b/contrib/gcc/config/i386/freebsd-elf.h new file mode 100644 index 0000000..393ede7 --- /dev/null +++ b/contrib/gcc/config/i386/freebsd-elf.h @@ -0,0 +1,199 @@ +/* Definitions for Intel 386 running FreeBSD with ELF format + Copyright (C) 1994, 1995 Free Software Foundation, Inc. + Contributed by Eric Youngdale. + Modified for stabs-in-ELF by H.J. Lu. + Adapted from Linux version by John Polstra. + +This file is part of GNU CC. + +GNU CC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU CC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU CC; see the file COPYING. If not, write to +the Free Software Foundation, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +/* A lie, I guess, but the general idea behind FreeBSD/ELF is that we are + supposed to be outputting something that will assemble under SVr4. + This gets us pretty close. */ +#include /* Base i386 target machine definitions */ +#include /* Use the i386 AT&T assembler syntax */ +#include /* some common stuff */ + +#undef TARGET_VERSION +#define TARGET_VERSION fprintf (stderr, " (i386 FreeBSD/ELF)"); + +/* The svr4 ABI for the i386 says that records and unions are returned + in memory. */ +#undef DEFAULT_PCC_STRUCT_RETURN +#define DEFAULT_PCC_STRUCT_RETURN 1 + +/* This is how to output an element of a case-vector that is relative. + This is only used for PIC code. See comments by the `casesi' insn in + i386.md for an explanation of the expression this outputs. */ +#undef ASM_OUTPUT_ADDR_DIFF_ELT +#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \ + fprintf (FILE, "\t.long _GLOBAL_OFFSET_TABLE_+[.-%s%d]\n", LPREFIX, VALUE) + +/* Indicate that jump tables go in the text section. This is + necessary when compiling PIC code. */ +#define JUMP_TABLES_IN_TEXT_SECTION + +/* Copy this from the svr4 specifications... */ +/* Define the register numbers to be used in Dwarf debugging information. + The SVR4 reference port C compiler uses the following register numbers + in its Dwarf output code: + 0 for %eax (gnu regno = 0) + 1 for %ecx (gnu regno = 2) + 2 for %edx (gnu regno = 1) + 3 for %ebx (gnu regno = 3) + 4 for %esp (gnu regno = 7) + 5 for %ebp (gnu regno = 6) + 6 for %esi (gnu regno = 4) + 7 for %edi (gnu regno = 5) + The following three DWARF register numbers are never generated by + the SVR4 C compiler or by the GNU compilers, but SDB on x86/svr4 + believes these numbers have these meanings. + 8 for %eip (no gnu equivalent) + 9 for %eflags (no gnu equivalent) + 10 for %trapno (no gnu equivalent) + It is not at all clear how we should number the FP stack registers + for the x86 architecture. If the version of SDB on x86/svr4 were + a bit less brain dead with respect to floating-point then we would + have a precedent to follow with respect to DWARF register numbers + for x86 FP registers, but the SDB on x86/svr4 is so completely + broken with respect to FP registers that it is hardly worth thinking + of it as something to strive for compatibility with. + The version of x86/svr4 SDB I have at the moment does (partially) + seem to believe that DWARF register number 11 is associated with + the x86 register %st(0), but that's about all. Higher DWARF + register numbers don't seem to be associated with anything in + particular, and even for DWARF regno 11, SDB only seems to under- + stand that it should say that a variable lives in %st(0) (when + asked via an `=' command) if we said it was in DWARF regno 11, + but SDB still prints garbage when asked for the value of the + variable in question (via a `/' command). + (Also note that the labels SDB prints for various FP stack regs + when doing an `x' command are all wrong.) + Note that these problems generally don't affect the native SVR4 + C compiler because it doesn't allow the use of -O with -g and + because when it is *not* optimizing, it allocates a memory + location for each floating-point variable, and the memory + location is what gets described in the DWARF AT_location + attribute for the variable in question. + Regardless of the severe mental illness of the x86/svr4 SDB, we + do something sensible here and we use the following DWARF + register numbers. Note that these are all stack-top-relative + numbers. + 11 for %st(0) (gnu regno = 8) + 12 for %st(1) (gnu regno = 9) + 13 for %st(2) (gnu regno = 10) + 14 for %st(3) (gnu regno = 11) + 15 for %st(4) (gnu regno = 12) + 16 for %st(5) (gnu regno = 13) + 17 for %st(6) (gnu regno = 14) + 18 for %st(7) (gnu regno = 15) +*/ +#undef DBX_REGISTER_NUMBER +#define DBX_REGISTER_NUMBER(n) \ +((n) == 0 ? 0 \ + : (n) == 1 ? 2 \ + : (n) == 2 ? 1 \ + : (n) == 3 ? 3 \ + : (n) == 4 ? 6 \ + : (n) == 5 ? 7 \ + : (n) == 6 ? 5 \ + : (n) == 7 ? 4 \ + : ((n) >= FIRST_STACK_REG && (n) <= LAST_STACK_REG) ? (n)+3 \ + : (-1)) + +/* Output assembler code to FILE to increment profiler label # LABELNO + for profiling a function entry. */ + +#undef FUNCTION_PROFILER +#define FUNCTION_PROFILER(FILE, LABELNO) \ +{ \ + if (flag_pic) \ + { \ + fprintf (FILE, "\tleal %sP%d@GOTOFF(%%ebx),%%edx\n", \ + LPREFIX, (LABELNO)); \ + fprintf (FILE, "\tcall *mcount@GOT(%%ebx)\n"); \ + } \ + else \ + { \ + fprintf (FILE, "\tmovl $%sP%d,%%edx\n", LPREFIX, (LABELNO)); \ + fprintf (FILE, "\tcall mcount\n"); \ + } \ +} + +#undef SIZE_TYPE +#define SIZE_TYPE "unsigned int" + +#undef PTRDIFF_TYPE +#define PTRDIFF_TYPE "int" + +#undef WCHAR_TYPE +#define WCHAR_TYPE "int" + +#undef WCHAR_TYPE_SIZE +#define WCHAR_TYPE_SIZE BITS_PER_WORD + +#undef CPP_PREDEFINES +#define CPP_PREDEFINES "-Dunix -Di386 -D__ELF__ -D__FreeBSD__=2 -Asystem(unix) -Asystem(FreeBSD) -Acpu(i386) -Amachine(i386)" + +#undef CPP_SPEC +#if TARGET_CPU_DEFAULT == 2 +#define CPP_SPEC "%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{!m386:-D__i486__} %{posix:-D_POSIX_SOURCE}" +#else +#define CPP_SPEC "%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{m486:-D__i486__} %{posix:-D_POSIX_SOURCE}" +#endif + +#undef LIB_SPEC +#if 1 +/* We no longer link with libc_p.a or libg.a by default. If you + * want to profile or debug the C library, please add + * -lc_p or -ggdb to LDFLAGS at the link time, respectively. + */ +#define LIB_SPEC \ + "%{!shared: %{mieee-fp:-lieee} %{p:-lgmon} %{pg:-lgmon} \ + %{!ggdb:-lc} %{ggdb:-lg}}" +#else +#define LIB_SPEC \ + "%{!shared: \ + %{mieee-fp:-lieee} %{p:-lgmon -lc_p} %{pg:-lgmon -lc_p} \ + %{!p:%{!pg:%{!g*:-lc} %{g*:-lg}}}}" +#endif + +/* Provide a LINK_SPEC appropriate for FreeBSD. Here we provide support + for the special GCC options -static and -shared, which allow us to + link things in one of these three modes by applying the appropriate + combinations of options at link-time. We like to support here for + as many of the other GNU linker options as possible. But I don't + have the time to search for those flags. I am sure how to add + support for -soname shared_object_name. H.J. + + I took out %{v:%{!V:-V}}. It is too much :-(. They can use + -Wl,-V. + + When the -shared link option is used a final link is not being + done. */ + +#undef LINK_SPEC +#define LINK_SPEC "-m elf_i386 %{shared:-shared} \ + %{!shared: \ + %{!ibcs: \ + %{!static: \ + %{rdynamic:-export-dynamic} \ + %{!dynamic-linker:-dynamic-linker /usr/libexec/ld-elf.so.1}} \ + %{static:-static}}}" + +/* Get perform_* macros to build libgcc.a. */ +#include "i386/perform.h" -- cgit v1.1 From d4db5fb866b7ad5216abd5047774a3973b9901a9 Mon Sep 17 00:00:00 2001 From: obrien Date: Sat, 10 Jul 1999 23:03:59 +0000 Subject: Virgin import of GCC 2.7.2.3 --- contrib/gcc/ChangeLog | 91 +++++++++++++++++++++++++++++++ contrib/gcc/Makefile.in | 6 +-- contrib/gcc/README | 5 +- contrib/gcc/config.guess | 24 ++++++--- contrib/gcc/config.sub | 32 +++++++---- contrib/gcc/config/alpha/alpha.c | 3 +- contrib/gcc/config/i386/linux.h | 23 ++++++++ contrib/gcc/configure | 113 ++++++++++++++++++++++++--------------- contrib/gcc/cp/ChangeLog | 14 +++++ contrib/gcc/cp/errfn.c | 4 +- contrib/gcc/cp/lex.c | 7 ++- contrib/gcc/cse.c | 14 ++--- contrib/gcc/function.c | 17 ++++-- contrib/gcc/gcc.c | 10 ++++ contrib/gcc/install.texi | 21 +++++++- contrib/gcc/unroll.c | 11 +++- contrib/gcc/varasm.c | 2 + contrib/gcc/version.c | 2 +- 18 files changed, 312 insertions(+), 87 deletions(-) (limited to 'contrib') diff --git a/contrib/gcc/ChangeLog b/contrib/gcc/ChangeLog index 3f955fb..ffdc477 100644 --- a/contrib/gcc/ChangeLog +++ b/contrib/gcc/ChangeLog @@ -1,3 +1,94 @@ +Thu Aug 22 23:47:38 1997 H.J. Lu (hjl@gnu.ai.mit.edu) + + * Version 2.7.2.3 released. + +Wed Aug 13 08:28:18 1997 H.J. Lu (hjl@gnu.ai.mit.edu) + + * INSTALL, install.texi: Update for m68k-*-linuxaout, + m68k-*-linux-gnulibc1 and m68k-*-linux. + +1997-08-12 Andreas Schwab + + * config/m68k/t-linux: Define INSTALL_ASSERT_H and + TARGET_LIBGCC2_CFLAGS. + * config/m68k/t-linux-gnulibc1: New file. + + * configure: Don't use GNU setup for *-*-linux-gnu*. + (m68k-*-linux*gnulibc1): New target. + (m68k-*-linux*): Set $extra_parts correctly. + + * config/m68k/linux.h (STRICT_ALIGNMENT): Define to zero. + (CPP_SPEC, LIB_SPEC, LINK_SPEC): Add support for glibc 2. + (LIBGCC_SPEC): Always link in -lgcc independent of -shared. + (LIBCALL_VALUE): Use correct register for XFmode. + (LEGITIMATE_PIC_OPERAND_P): Reject CONST_DOUBLE with MEM with + invalid pic address. + (FINALIZE_TRAMPOLINE, CLEAR_INSN_CACHE): New. + +Mon Mar 17 17:03:55 1997 J.T. Conklin + + * m68k.md (beq0_di, bne0_di, bge0_di, blt0_di): Use cmpw #0 + instead of tstl when testing address registers on the 68000. + +Fri Aug 8 08:15:55 1997 H.J. Lu (hjl@gnu.ai.mit.edu) + + * Makefile.in (INSTALL): Fix the rule. + (stamp-crtS): Depend on stamp-crt for parallel make. + + * install1.texi: New. + +Mon Jul 21 22:47:13 1997 H.J. Lu (hjl@gnu.ai.mit.edu) + + * configure (gxx_include_dir): Set it to $prefix/include/g++ + for Linux. + +Tue Jun 24 11:24:56 1997 H.J. Lu (hjl@gnu.ai.mit.edu) + + * INSTALL, install.texi: Refer Linux running libc 5.x.x as + i386-*-linux-gnulibc1. + + * config/i386/linux.h, config.guess, config.sub, configure: + Correct support for glibc 2. + + * config/t-linux: New, makefile fragment for Linux target with + glibc 2. + + * config/t-linux-gnulibc1: New, makefile fragment for Linux + target with libc 5.x.x. + + * config/t-linux-libc1: Removed. + + * config.sub: Add support for i686. + + * gcc.c (main): check and read ${libdir}/gcc-lib/specs to + override the default specs. + +Mon Jun 23 22:48:00 1997 Jim Wilson + + * unroll.c (find_splittable_givs): Set splittable_regs_updates + to biv_count for reduced givs. + +Tue Apr 16 16:59:49 1996 Richard Henderson + + * function.c (expand_function_end): Allow TRAMPOLINE_TEMPLATE + to be omitted on systems for which it is not cost effective. + * varasm.c (assemble_trampoline_template): No such function + if no TRAMPOLINE_TEMPLATE. + * m68k.h: Greatly simplify the run-time trampoline code: + (TRAMPOLINE_TEMPLATE, TRANSFER_FROM_TRAMPOLINE): Delete define. + (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Changed. + (TRAMPOLINE_ALIGN): No point aligning to cache line. + (FINISH_INIT_TRAMPOLINE): New define. + * m68k/next.h: Instead of redefining INITIALIZE_TRAMPOLINE, + make use of the new FINISH_INIT_TRAMPOLINE. + * m68k/{m68k.h,next.h} (FINISH_INIT_TRAMPOLINE): + Rename to FINALIZE_TRAMPOLINE. + +Mon Apr 15 08:49:20 1996 Tom May (ftom@netcom.com) + + * cse.c (invalidate_skipped_set): Ignore CLOBBER after calling + note_mem_written, not before. + Sat Jun 29 12:33:39 1996 Richard Kenner * Version 2.7.2.1 released. diff --git a/contrib/gcc/Makefile.in b/contrib/gcc/Makefile.in index 0eaa67b..7ab05ff 100644 --- a/contrib/gcc/Makefile.in +++ b/contrib/gcc/Makefile.in @@ -1031,7 +1031,7 @@ stamp-crt: crtstuff.c $(GCC_PASSES) $(CONFIG_H) gbl-ctors.h # compiled using PIC for use in shared libraries. crtbeginS.o crtendS.o: stamp-crtS ; @true -stamp-crtS: crtstuff.c $(GCC_PASSES) $(CONFIG_H) gbl-ctors.h +stamp-crtS: stamp-crt crtstuff.c $(GCC_PASSES) $(CONFIG_H) gbl-ctors.h $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(CRTSTUFF_T_CFLAGS) \ -DCRT_BEGIN -finhibit-size-directive -fno-inline-functions \ -g0 -c $(srcdir)/crtstuff.c -fPIC @@ -1886,8 +1886,8 @@ $(srcdir)/cpp.dvi: cpp.texi $(TEXI2DVI) $< $(srcdir)/INSTALL: install1.texi install.texi - $(MAKEINFO) -D INSTALLONLY --no-header --no-split \ - `echo $(srcdir)/install1.texi | sed 's,^\./,,'` + cd $(srcdir); $(MAKEINFO) -D INSTALLONLY --no-header \ + --no-split install1.texi -o INSTALL # Deletion of files made during compilation. # There are four levels of this: diff --git a/contrib/gcc/README b/contrib/gcc/README index 43ed75d..0923669 100644 --- a/contrib/gcc/README +++ b/contrib/gcc/README @@ -1,7 +1,10 @@ -This directory contains the version 2.7.2 release of the GNU C +This directory contains the version 2.7.2.3 release of the GNU C compiler. It includes all of the support for compiling C++ and Objective C, including a run-time library for Objective C. +The reason for the 2.7.2.3 release is to correct the support for GNU C +library version 2 on GNU/Linux systems. + The GNU C compiler is free software. See the file COPYING for copying permission. diff --git a/contrib/gcc/config.guess b/contrib/gcc/config.guess index 2ff0eba..5508638 100755 --- a/contrib/gcc/config.guess +++ b/contrib/gcc/config.guess @@ -319,9 +319,9 @@ EOF # The BFD linker knows what the default object file format is, so # first see if it will tell us. ld_help_string=`ld --help 2>&1` - if echo $ld_help_string | grep >/dev/null 2>&1 "supported emulations: elf_i[345]86"; then - echo "${UNAME_MACHINE}-unknown-linux" ; exit 0 - elif echo $ld_help_string | grep >/dev/null 2>&1 "supported emulations: i[345]86linux"; then +# if echo $ld_help_string | grep >/dev/null 2>&1 "supported emulations: elf_i[345]86"; then +# echo "${UNAME_MACHINE}-unknown-linux" ; exit 0 + if echo $ld_help_string | grep >/dev/null 2>&1 "supported emulations: i[345]86linux"; then echo "${UNAME_MACHINE}-unknown-linuxaout" ; exit 0 elif echo $ld_help_string | grep >/dev/null 2>&1 "supported emulations: i[345]86coff"; then echo "${UNAME_MACHINE}-unknown-linuxcoff" ; exit 0 @@ -329,17 +329,27 @@ EOF echo alpha-unknown-linux ; exit 0 else # Either a pre-BFD a.out linker (linuxoldld) or one that does not give us - # useful --help. Gcc wants to distinguish between linuxoldld and linuxaout. - test ! -d /usr/lib/ldscripts/. \ - && echo "${UNAME_MACHINE}-unknown-linuxoldld" && exit 0 + # useful --help. Gcc wants to distinguish between linuxoldld and linuxaout, + # and between different C library versions. + echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations:" + test $? != 0 && echo "${UNAME_MACHINE}-pc-linux-gnuoldld" && exit 0 # Determine whether the default compiler is a.out or elf cat >dummy.c < main(argc, argv) int argc; char *argv[]; { #ifdef __ELF__ - printf ("%s-unknown-linux\n", argv[1]); +# ifdef __GLIBC__ +# if __GLIBC__ >= 2 + printf ("%s-unknown-linux\n", argv[1]); +# else + printf ("%s-unknown-linux-gnulibc1\n", argv[1]); +# endif +# else + printf ("%s-unknown-linux-gnulibc1\n", argv[1]); +# endif #else printf ("%s-unknown-linuxaout\n", argv[1]); #endif diff --git a/contrib/gcc/config.sub b/contrib/gcc/config.sub index e67a800..9bb45e9 100755 --- a/contrib/gcc/config.sub +++ b/contrib/gcc/config.sub @@ -62,11 +62,21 @@ case $1 in ;; esac -# Separate what the user gave into CPU-COMPANY and OS (if any). -basic_machine=`echo $1 | sed 's/-[^-]*$//'` -if [ $basic_machine != $1 ] -then os=`echo $1 | sed 's/.*-/-/'` -else os=; fi +# Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any). +# Here we must recognize all the valid KERNEL-OS combinations. +maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` +case $maybe_os in + linux-gnu*) + os=-$maybe_os + basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'` + ;; + *) + basic_machine=`echo $1 | sed 's/-[^-]*$//'` + if [ $basic_machine != $1 ] + then os=`echo $1 | sed 's/.*-/-/'` + else os=; fi + ;; +esac ### Let's recognize common machines as not being operating systems so ### that things like config.sub decstation-3100 work. We also @@ -129,7 +139,7 @@ esac case $basic_machine in # Recognize the basic CPU types without company name. # Some are omitted here because they have special meanings below. - tahoe | i[345]86 | i860 | m68k | m68000 | m88k | ns32k | arm \ + tahoe | i[3456]86 | i860 | m68k | m68000 | m88k | ns32k | arm \ | arme[lb] | pyramid \ | tron | a29k | 580 | i960 | h8300 | hppa1.0 | hppa1.1 \ | alpha | we32k | ns16k | clipper | sparclite | i370 | sh \ @@ -144,7 +154,7 @@ case $basic_machine in exit 1 ;; # Recognize the basic CPU types with company name. - vax-* | tahoe-* | i[345]86-* | i860-* | m68k-* | m68000-* | m88k-* \ + vax-* | tahoe-* | i[3456]86-* | i860-* | m68k-* | m68000-* | m88k-* \ | sparc-* | ns32k-* | fx80-* | arm-* | c[123]* \ | mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* | power-* \ | none-* | 580-* | cray2-* | h8300-* | i960-* | xmp-* | ymp-* \ @@ -308,19 +318,19 @@ case $basic_machine in os=-mvs ;; # I'm not sure what "Sysv32" means. Should this be sysv3.2? - i[345]86v32) + i[3456]86v32) basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'` os=-sysv32 ;; - i[345]86v4*) + i[3456]86v4*) basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'` os=-sysv4 ;; - i[345]86v) + i[3456]86v) basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'` os=-sysv ;; - i[345]86sol2) + i[3456]86sol2) basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'` os=-solaris2 ;; diff --git a/contrib/gcc/config/alpha/alpha.c b/contrib/gcc/config/alpha/alpha.c index f7428c3..b77dc14 100644 --- a/contrib/gcc/config/alpha/alpha.c +++ b/contrib/gcc/config/alpha/alpha.c @@ -1238,8 +1238,7 @@ direct_return () /* Write a version stamp. Don't write anything if we are running as a cross-compiler. Otherwise, use the versions in /usr/include/stamp.h. */ -#if !defined(CROSS_COMPILE) && !defined(_WIN32) && \ - !defined(__NetBSD__) && !defined(__FreeBSD__) +#if !defined(CROSS_COMPILE) && !defined(_WIN32) #include #endif diff --git a/contrib/gcc/config/i386/linux.h b/contrib/gcc/config/i386/linux.h index f077de5..a0b49ba 100644 --- a/contrib/gcc/config/i386/linux.h +++ b/contrib/gcc/config/i386/linux.h @@ -151,13 +151,21 @@ Boston, MA 02111-1307, USA. */ #define CPP_PREDEFINES "-D__ELF__ -Dunix -Di386 -Dlinux -Asystem(unix) -Asystem(posix) -Acpu(i386) -Amachine(i386)" #undef CPP_SPEC +#ifdef USE_GNULIBC_1 #if TARGET_CPU_DEFAULT == 2 #define CPP_SPEC "%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{!m386:-D__i486__} %{posix:-D_POSIX_SOURCE}" #else #define CPP_SPEC "%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{m486:-D__i486__} %{posix:-D_POSIX_SOURCE}" #endif +#else /* not USE_GNULIBC_1 */ +#define CPP_SPEC "%(cpp_cpu) %[cpp_cpu] %{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" +#endif /* not USE_GNULIBC_1 */ + +#undef LIBGCC_SPEC +#define LIBGCC_SPEC "-lgcc" #undef LIB_SPEC +#ifdef USE_GNULIBC_1 #if 1 /* We no longer link with libc_p.a or libg.a by default. If you * want to profile or debug the Linux C library, please add @@ -172,6 +180,11 @@ Boston, MA 02111-1307, USA. */ %{mieee-fp:-lieee} %{p:-lgmon -lc_p} %{pg:-lgmon -lc_p} \ %{!p:%{!pg:%{!g*:-lc} %{g*:-lg}}}}" #endif +#else +#define LIB_SPEC \ + "%{!shared: %{mieee-fp:-lieee} %{pthread:-lpthread} \ + %{profile:-lc_p} %{!profile: -lc}}" +#endif /* not USE_GNULIBC_1 */ /* Provide a LINK_SPEC appropriate for Linux. Here we provide support for the special GCC options -static and -shared, which allow us to @@ -190,6 +203,7 @@ Boston, MA 02111-1307, USA. */ /* If ELF is the default format, we should not use /lib/elf. */ #undef LINK_SPEC +#ifdef USE_GNULIBC_1 #ifndef LINUX_DEFAULT_ELF #define LINK_SPEC "-m elf_i386 %{shared:-shared} \ %{!shared: \ @@ -207,6 +221,15 @@ Boston, MA 02111-1307, USA. */ %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.1}} \ %{static:-static}}}" #endif +#else /* not USE_GNULIBC_1 */ +#define LINK_SPEC "-m elf_i386 %{shared:-shared} \ + %{!shared: \ + %{!ibcs: \ + %{!static: \ + %{rdynamic:-export-dynamic} \ + %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2}} \ + %{static:-static}}}" +#endif /* not USE_GNULIBC_1 */ /* Get perform_* macros to build libgcc.a. */ #include "i386/perform.h" diff --git a/contrib/gcc/configure b/contrib/gcc/configure index 1be333c..9c2b12e 100755 --- a/contrib/gcc/configure +++ b/contrib/gcc/configure @@ -844,7 +844,7 @@ for machine in $canon_build $canon_host $canon_target; do xm_file=i370/xm-mvs.h out_file=i370/mvs370.c ;; - i[345]86-ibm-aix*) # IBM PS/2 running AIX + i[3456]86-ibm-aix*) # IBM PS/2 running AIX cpu_type=i386 if [ x$gas = xyes ] then @@ -867,7 +867,7 @@ for machine in $canon_build $canon_host $canon_target; do extra_parts="crtbegin.o crtend.o" tmake_file=i386/t-crtpic ;; - i[345]86-next-*) + i[3456]86-next-*) cpu_type=i386 tm_file=i386/next.h out_file=i386/next.c @@ -875,7 +875,7 @@ for machine in $canon_build $canon_host $canon_target; do tmake_file=i386/t-next xmake_file=i386/x-next ;; - i[345]86-sequent-bsd*) # 80386 from Sequent + i[3456]86-sequent-bsd*) # 80386 from Sequent cpu_type=i386 use_collect2=yes if [ x$gas = xyes ] @@ -885,7 +885,7 @@ for machine in $canon_build $canon_host $canon_target; do tm_file=i386/sequent.h fi ;; - i[345]86-sequent-ptx1*) + i[3456]86-sequent-ptx1*) cpu_type=i386 xm_file=i386/xm-sysv3.h xmake_file=i386/x-sysv3 @@ -896,7 +896,7 @@ for machine in $canon_build $canon_host $canon_target; do install_headers_dir=install-headers-cpio broken_install=yes ;; - i[345]86-sequent-ptx2* | i[345]86-sequent-sysv*) + i[3456]86-sequent-ptx2* | i[3456]86-sequent-sysv*) cpu_type=i386 xm_file=i386/xm-sysv3.h xmake_file=i386/x-sysv3 @@ -912,18 +912,18 @@ for machine in $canon_build $canon_host $canon_target; do tm_file=i386/sun.h use_collect2=yes ;; - i[345]86-*-aout*) + i[3456]86-*-aout*) cpu_type=i386 tm_file=i386/i386-aout.h tmake_file=i386/t-i386bare ;; - i[345]86-*-bsdi* | i[345]86-*-bsd386*) + i[3456]86-*-bsdi* | i[3456]86-*-bsd386*) cpu_type=i386 tm_file=i386/bsd386.h xm_file=i386/xm-bsd386.h # tmake_file=t-libc-ok ;; - i[345]86-*-bsd*) + i[3456]86-*-bsd*) cpu_type=i386 tm_file=i386/386bsd.h xm_file=i386/xm-bsd386.h @@ -931,7 +931,7 @@ for machine in $canon_build $canon_host $canon_target; do # Next line turned off because both 386BSD and BSD/386 use GNU ld. # use_collect2=yes ;; - i[345]86-*-freebsd*) + i[3456]86-*-freebsd*) cpu_type=i386 tm_file=i386/freebsd.h xm_file=i386/xm-freebsd.h @@ -939,7 +939,7 @@ for machine in $canon_build $canon_host $canon_target; do fixincludes=Makefile.in xmake_file=i386/x-freebsd ;; - i[345]86-*-netbsd*) + i[3456]86-*-netbsd*) cpu_type=i386 tm_file=i386/netbsd.h xm_file=i386/xm-netbsd.h @@ -948,19 +948,16 @@ for machine in $canon_build $canon_host $canon_target; do tmake_file=t-libc-ok xmake_file=x-netbsd ;; - i[345]86-*-coff*) + i[3456]86-*-coff*) cpu_type=i386 tm_file=i386/i386-coff.h tmake_file=i386/t-i386bare ;; - i[345]86-*-gnu*) - cpu_type=i386 # GNU supports this CPU; rest done below. - ;; - i[345]86-*-isc*) # 80386 running ISC system + i[3456]86-*-isc*) # 80386 running ISC system cpu_type=i386 xm_file=i386/xm-isc.h case $machine in - i[345]86-*-isc[34]*) + i[3456]86-*-isc[34]*) xmake_file=i386/x-isc3 ;; *) @@ -981,41 +978,56 @@ for machine in $canon_build $canon_host $canon_target; do install_headers_dir=install-headers-cpio broken_install=yes ;; - i[345]86-*-linux*oldld*) # Intel 80386's running Linux + i[3456]86-*-linux*oldld*) # Intel 80386's running GNU/Linux cpu_type=i386 # with a.out format using pre BFD linkers xm_file=i386/xm-linux.h xmake_file=x-linux tm_file=i386/linux-oldld.h - fixincludes=Makefile.in #On Linux, the headers are ok already. + fixincludes=Makefile.in # The headers are ok already. broken_install=yes gnu_ld=yes ;; - i[345]86-*-linux*aout*) # Intel 80386's running Linux + i[3456]86-*-linux*aout*) # Intel 80386's running GNU/Linux cpu_type=i386 # with a.out format xm_file=i386/xm-linux.h xmake_file=x-linux tm_file=i386/linux-aout.h - fixincludes=Makefile.in #On Linux, the headers are ok already. + fixincludes=Makefile.in # The headers are ok already. + broken_install=yes + gnu_ld=yes + ;; + i[3456]86-*-linux*gnulibc1) # Intel 80386's running GNU/Linux + cpu_type=i386 # with ELF format, using GNU libc v1. + xm_file=i386/xm-linux.h + xmake_file=x-linux + tmake_file=t-linux-gnulibc1 + tm_file=i386/linux.h + fixincludes=Makefile.in # The headers are ok already. broken_install=yes gnu_ld=yes + extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o" ;; - i[345]86-*-linux*) # Intel 80386's running Linux + i[3456]86-*-linux*) # Intel 80386's running GNU/Linux cpu_type=i386 # with ELF format xm_file=i386/xm-linux.h xmake_file=x-linux + tmake_file=t-linux tm_file=i386/linux.h - fixincludes=Makefile.in #On Linux, the headers are ok already. + fixincludes=Makefile.in # The headers are ok already. broken_install=yes gnu_ld=yes - # Don't use it. Linux uses a slightly different one. - # The real one comes with the Linux C library. - #extra_parts="crtbegin.o crtend.o" + # GNU libc version 2 does not supply these; + # we want them from GCC. + extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o" ;; - i[345]86-go32-msdos | i[345]86-*-go32) + i[3456]86-*-gnu*) + cpu_type=i386 # GNU supports this CPU; rest done below. + ;; + i[3456]86-go32-msdos | i[3456]86-*-go32) cpu_type=i386 tm_file=i386/go32.h ;; - i[345]86-*-lynxos*) + i[3456]86-*-lynxos*) cpu_type=i386 if [ x$gas = xyes ] then @@ -1027,13 +1039,13 @@ for machine in $canon_build $canon_host $canon_target; do tmake_file=i386/t-i386bare xmake_file=x-lynx ;; - i[345]86-*-mach*) + i[3456]86-*-mach*) cpu_type=i386 tm_file=i386/mach.h # tmake_file=t-libc-ok use_collect2=yes ;; - i[345]86-*-osfrose*) # 386 using OSF/rose + i[3456]86-*-osfrose*) # 386 using OSF/rose cpu_type=i386 if [ x$elf = xyes ] then @@ -1047,7 +1059,7 @@ for machine in $canon_build $canon_host $canon_target; do xmake_file=i386/x-osfrose extra_objs=halfpic.o ;; - i[345]86-*-sco3.2v4*) # 80386 running SCO 3.2v4 system + i[3456]86-*-sco3.2v4*) # 80386 running SCO 3.2v4 system cpu_type=i386 xm_file=i386/xm-sco.h xmake_file=i386/x-sco4 @@ -1065,7 +1077,7 @@ for machine in $canon_build $canon_host $canon_target; do extra_parts="crtbegin.o crtend.o" fi ;; - i[345]86-*-sco*) # 80386 running SCO system + i[3456]86-*-sco*) # 80386 running SCO system cpu_type=i386 xm_file=i386/xm-sco.h xmake_file=i386/x-sco @@ -1083,7 +1095,7 @@ for machine in $canon_build $canon_host $canon_target; do fi truncate_target=yes ;; - i[345]86-*-solaris2* | i[345]86-*-sunos5*) + i[3456]86-*-solaris2* | i[3456]86-*-sunos5*) cpu_type=i386 xm_file=i386/xm-sysv4.h tm_file=i386/sol2.h @@ -1093,7 +1105,7 @@ for machine in $canon_build $canon_host $canon_target; do fixincludes=fixinc.svr4 broken_install=yes ;; - i[345]86-*-sysv4*) # Intel 80386's running system V.4 + i[3456]86-*-sysv4*) # Intel 80386's running system V.4 cpu_type=i386 xm_file=i386/xm-sysv4.h if [ x$stabs = xyes ] @@ -1106,7 +1118,7 @@ for machine in $canon_build $canon_host $canon_target; do xmake_file=x-svr4 extra_parts="crtbegin.o crtend.o" ;; - i[345]86-*-sysv*) # Intel 80386's running system V + i[3456]86-*-sysv*) # Intel 80386's running system V cpu_type=i386 xm_file=i386/xm-sysv3.h xmake_file=i386/x-sysv3 @@ -1134,7 +1146,7 @@ for machine in $canon_build $canon_host $canon_target; do tmake_file=i386/t-vsta xmake_file=i386/x-vsta ;; - i[345]86-*-winnt3*) + i[3456]86-*-winnt3*) cpu_type=i386 tm_file=i386/win-nt.h out_file=i386/i386.c @@ -1523,26 +1535,36 @@ for machine in $canon_build $canon_host $canon_target; do extra_parts="crtbegin.o crtend.o" extra_headers=math-68881.h ;; - m68k-*-linux*aout*) # Motorola m68k's running Linux + m68k-*-linux*aout*) # Motorola m68k's running GNU/Linux xm_file=m68k/xm-linux.h # with a.out format xmake_file=x-linux tm_file=m68k/linux-aout.h tmake_file=m68k/t-linux - fixincludes=Makefile.in #On Linux, the headers are ok already. + fixincludes=Makefile.in # The headers are ok already. extra_headers=math-68881.h gnu_ld=yes ;; - m68k-*-linux*) # Motorola m68k's running Linux + m68k-*-linux*libc1) # Motorola m68k's running GNU/Linux + xm_file=m68k/xm-linux.h # with ELF format, using GNU libc v1. + xmake_file=x-linux + tm_file=m68k/linux.h + tmake_file=m68k/t-linux-gnulibc1 + fixincludes=Makefile.in # The headers are ok already. + extra_headers=math-68881.h + gnu_ld=yes + extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o" + ;; + m68k-*-linux*) # Motorola m68k's running GNU/Linux xm_file=m68k/xm-linux.h # with ELF format xmake_file=x-linux tm_file=m68k/linux.h tmake_file=m68k/t-linux - fixincludes=Makefile.in #On Linux, the headers are ok already. + fixincludes=Makefile.in # The headers are ok already. extra_headers=math-68881.h gnu_ld=yes - # Don't use it. Linux uses a slightly different one. - # The real one comes with the Linux C library. - #extra_parts="crtbegin.o crtend.o" + # GNU libc version 2 does not supply these; + # we want them from GCC. + extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o" ;; m88k-dg-dgux*) case $machine in @@ -2379,6 +2401,8 @@ for machine in $canon_build $canon_host $canon_target; do esac case $machine in + *-*-linux-gnu*) + ;; # Existing Linux/GNU systems do not use the GNU setup. *-*-gnu*) # On the GNU system, the setup is just about the same on # each different CPU. The specific machines that GNU @@ -2535,7 +2559,7 @@ do case $lang in ..) ;; # The odd quoting in the next line works around - # an apparent bug in bash 1.12 on linux. + # an apparent bug in bash 1.12 on GNU/Linux. ${srcdir}/[*]/config-lang.in) ;; *) subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" ;; esac @@ -2543,8 +2567,9 @@ done # Are we using gcc as the native compiler? case $canon_host in -*linux*) # All Linux's use gcc as the native compiler. +*linux*) # All GNU/Linux systems use gcc as the native compiler. prefix=$native_prefix + gxx_include_dir=$prefix/include/g++ ;; esac diff --git a/contrib/gcc/cp/ChangeLog b/contrib/gcc/cp/ChangeLog index d2ef74f..420e25d 100644 --- a/contrib/gcc/cp/ChangeLog +++ b/contrib/gcc/cp/ChangeLog @@ -1,3 +1,17 @@ +Thu Aug 22 23:47:38 1997 H.J. Lu (hjl@gnu.ai.mit.edu) + + * Version 2.7.2.3 released. + +Mon Apr 29 00:27:53 1996 Jason Merrill + + * lex.c (real_yylex): Fix handling of __PRETTY_FUNCTION__ like C + frontend. + +Thu Oct 26 16:45:58 1995 Brendan Kehoe + + * errfn.c: Include stdio.h. + (cp_sprintf): Take out decl of sprintf, and cast sprintf to errorfn*. + Mon Nov 20 14:06:28 1995 Mike Stump * Version 2.7.2 released. diff --git a/contrib/gcc/cp/errfn.c b/contrib/gcc/cp/errfn.c index f36b0e1..4da07fa 100644 --- a/contrib/gcc/cp/errfn.c +++ b/contrib/gcc/cp/errfn.c @@ -21,6 +21,7 @@ Boston, MA 02111-1307, USA. */ #include "config.h" #include "tree.h" +#include #include /* cp_printer is the type of a function which converts an argument into @@ -195,8 +196,7 @@ cp_sprintf (format, arglist) char *format; arglist_dcl { - extern errorfn sprintf; - cp_thing (sprintf, 0, format, arglist); + cp_thing ((errorfn *) sprintf, 0, format, arglist); } void diff --git a/contrib/gcc/cp/lex.c b/contrib/gcc/cp/lex.c index 22763f5..9e51883 100644 --- a/contrib/gcc/cp/lex.c +++ b/contrib/gcc/cp/lex.c @@ -3381,7 +3381,12 @@ real_yylex () && DECL_INITIAL (tmp) != NULL_TREE && TREE_CODE (DECL_INITIAL (tmp)) == STRING_CST) { - yylval.ttype = DECL_INITIAL (tmp); + tree stringval = DECL_INITIAL (tmp); + + /* Copy the string value so that we won't clobber anything + if we put something in the TREE_CHAIN of this one. */ + yylval.ttype = build_string (TREE_STRING_LENGTH (stringval), + TREE_STRING_POINTER (stringval)); value = STRING; } } diff --git a/contrib/gcc/cse.c b/contrib/gcc/cse.c index efd05de..00c5122 100644 --- a/contrib/gcc/cse.c +++ b/contrib/gcc/cse.c @@ -7811,13 +7811,6 @@ invalidate_skipped_set (dest, set) rtx set; rtx dest; { - if (GET_CODE (set) == CLOBBER -#ifdef HAVE_cc0 - || dest == cc0_rtx -#endif - || dest == pc_rtx) - return; - if (GET_CODE (dest) == MEM) note_mem_written (dest, &skipped_writes_memory); @@ -7827,6 +7820,13 @@ invalidate_skipped_set (dest, set) if (skipped_writes_memory.nonscalar) skipped_writes_memory.all = 1; + if (GET_CODE (set) == CLOBBER +#ifdef HAVE_cc0 + || dest == cc0_rtx +#endif + || dest == pc_rtx) + return; + if (GET_CODE (dest) == REG || GET_CODE (dest) == SUBREG || (! skipped_writes_memory.all && ! cse_rtx_addr_varies_p (dest))) invalidate (dest, VOIDmode); diff --git a/contrib/gcc/function.c b/contrib/gcc/function.c index e45eec6..4d15f71 100644 --- a/contrib/gcc/function.c +++ b/contrib/gcc/function.c @@ -5229,7 +5229,9 @@ expand_function_end (filename, line, end_bindings) register int i; tree link; +#ifdef TRAMPOLINE_TEMPLATE static rtx initial_trampoline; +#endif if (output_bytecode) { @@ -5262,8 +5264,10 @@ expand_function_end (filename, line, end_bindings) tree function = TREE_PURPOSE (link); rtx context = lookup_static_chain (function); rtx tramp = RTL_EXPR_RTL (TREE_VALUE (link)); + rtx blktramp; rtx seq; +#ifdef TRAMPOLINE_TEMPLATE /* First make sure this compilation has a template for initializing trampolines. */ if (initial_trampoline == 0) @@ -5273,15 +5277,18 @@ expand_function_end (filename, line, end_bindings) = gen_rtx (MEM, BLKmode, assemble_trampoline_template ()); resume_temporary_allocation (); } +#endif /* Generate insns to initialize the trampoline. */ start_sequence (); - tramp = change_address (initial_trampoline, BLKmode, - round_trampoline_addr (XEXP (tramp, 0))); - emit_block_move (tramp, initial_trampoline, GEN_INT (TRAMPOLINE_SIZE), + tramp = round_trampoline_addr (XEXP (tramp, 0)); +#ifdef TRAMPOLINE_TEMPLATE + blktramp = change_address (initial_trampoline, BLKmode, tramp); + emit_block_move (blktramp, initial_trampoline, + GEN_INT (TRAMPOLINE_SIZE), FUNCTION_BOUNDARY / BITS_PER_UNIT); - INITIALIZE_TRAMPOLINE (XEXP (tramp, 0), - XEXP (DECL_RTL (function), 0), context); +#endif + INITIALIZE_TRAMPOLINE (tramp, XEXP (DECL_RTL (function), 0), context); seq = get_insns (); end_sequence (); diff --git a/contrib/gcc/gcc.c b/contrib/gcc/gcc.c index 7622771..fe7de5b 100644 --- a/contrib/gcc/gcc.c +++ b/contrib/gcc/gcc.c @@ -4275,6 +4275,16 @@ main (argc, argv) if (specs_file != 0 && strcmp (specs_file, "specs")) read_specs (specs_file); + /* We need to check standard_exec_prefix/just_machine_suffix/specs + for any override of as, ld and libraries. */ + specs_file =(char *) alloca (strlen (standard_exec_prefix) + + strlen (just_machine_suffix) + sizeof ("specs")); + strcpy (specs_file, standard_exec_prefix); + strcat (specs_file, just_machine_suffix); + strcat (specs_file, "specs"); + if (access (specs_file, R_OK) == 0) + read_specs (specs_file, TRUE); + /* If not cross-compiling, look for startfiles in the standard places. */ /* The fact that these are done here, after reading the specs file, means that it cannot be found in these directories. diff --git a/contrib/gcc/install.texi b/contrib/gcc/install.texi index 962a6e7..337da79 100644 --- a/contrib/gcc/install.texi +++ b/contrib/gcc/install.texi @@ -814,9 +814,15 @@ Use this configuration to generate a.out binaries on Linux-based GNU systems. This configuration is being superseded. You must use gas/binutils version 2.5.2 or later. +@item i386-*-linux-gnulibc1 +Use this configuration to generate ELF binaries on Linux-based GNU +systems using the Linux libc version 5. You must use gas/binutils +version 2.5.2 or later. + @item i386-*-linux Use this configuration to generate ELF binaries on Linux-based GNU -systems. You must use gas/binutils version 2.5.2 or later. +systems using glibc 2. You must use gas/binutils version 2.8.1 or +later. @item i386-*-sco Compilation with RCC is recommended. Also, it may be a good idea to @@ -934,6 +940,19 @@ HP 9000 series 200 running BSD. Note that the C compiler that comes with this system cannot compile GNU CC; contact @code{law@@cs.utah.edu} to get binaries of GNU CC for bootstrapping. +@item m68k-*-linuxaout +Use this configuration to generate a.out binaries on Linux. This configuration +is being superseded. You must use gas/binutils version 2.5.2 or later. + +@item m68k-*-linux-gnulibc1 +Use this configuration to generate ELF binaries on Linux with the +Linux C library 5.x.x. You must use gas/binutils version 2.8.1 later. + +@item m68k-*-linux +Use this configuration to generate ELF binaries on Linux-based GNU +systems with the GNU C library 2. You must use gas/binutils version +2.8.1 or later. + @item m68k-altos Altos 3068. You must use the GNU assembler, linker and debugger. Also, you must fix a kernel bug. Details in the file @file{README.ALTOS}. diff --git a/contrib/gcc/unroll.c b/contrib/gcc/unroll.c index c598578..4ba6efb 100644 --- a/contrib/gcc/unroll.c +++ b/contrib/gcc/unroll.c @@ -2908,12 +2908,19 @@ find_splittable_givs (bl, unroll_type, loop_start, loop_end, increment, #endif } - /* Givs are only updated once by definition. Mark it so if this is + /* Unreduced givs are only updated once by definition. Reduced givs + are updated as many times as their biv is. Mark it so if this is a splittable register. Don't need to do anything for address givs where this may not be a register. */ if (GET_CODE (v->new_reg) == REG) - splittable_regs_updates[REGNO (v->new_reg)] = 1; + { + int count = 1; + if (! v->ignore) + count = reg_biv_class[REGNO (v->src_reg)]->biv_count; + + splittable_regs_updates[REGNO (v->new_reg)] = count; + } result++; diff --git a/contrib/gcc/varasm.c b/contrib/gcc/varasm.c index 42b81fa..12c935e 100644 --- a/contrib/gcc/varasm.c +++ b/contrib/gcc/varasm.c @@ -1640,6 +1640,7 @@ assemble_static_space (size) This is done at most once per compilation. Returns an RTX for the address of the template. */ +#ifdef TRAMPOLINE_TEMPLATE rtx assemble_trampoline_template () { @@ -1673,6 +1674,7 @@ assemble_trampoline_template () = (char *) obstack_copy0 (&permanent_obstack, label, strlen (label)); return gen_rtx (SYMBOL_REF, Pmode, name); } +#endif /* Assemble the integer constant X into an object of SIZE bytes. X must be either a CONST_INT or CONST_DOUBLE. diff --git a/contrib/gcc/version.c b/contrib/gcc/version.c index 3480e3f..dd8c145 100644 --- a/contrib/gcc/version.c +++ b/contrib/gcc/version.c @@ -1 +1 @@ -char *version_string = "2.7.2.1"; +char *version_string = "2.7.2.3"; -- cgit v1.1