diff options
Diffstat (limited to 'contrib/gcc/config/i386/unix.h')
| -rw-r--r-- | contrib/gcc/config/i386/unix.h | 179 |
1 files changed, 62 insertions, 117 deletions
diff --git a/contrib/gcc/config/i386/unix.h b/contrib/gcc/config/i386/unix.h index 771d802..15a0701 100644 --- a/contrib/gcc/config/i386/unix.h +++ b/contrib/gcc/config/i386/unix.h @@ -1,5 +1,5 @@ /* Definitions for Unix assembler syntax for the Intel 80386. - Copyright (C) 1988, 1994, 1999 Free Software Foundation, Inc. + Copyright (C) 1988, 1994, 1999, 2000, 2001 Free Software Foundation, Inc. This file is part of GNU CC. @@ -22,79 +22,13 @@ Boston, MA 02111-1307, USA. */ that are the same for all the i386 Unix systems (though they may differ in non-Unix systems). */ -/* Define some concatenation macros to concatenate an opcode - and one, two or three operands. In other assembler syntaxes - they may alter the order of ther operands. */ - -/* Note that the other files fail to use these - in some of the places where they should. */ - -#if defined(__STDC__) || defined(ALMOST_STDC) -#define AS2(a,b,c) #a " " #b "," #c -#define AS2C(b,c) " " #b "," #c -#define AS3(a,b,c,d) #a " " #b "," #c "," #d -#define AS1(a,b) #a " " #b -#else -#define AS1(a,b) "a b" -#define AS2(a,b,c) "a b,c" -#define AS2C(b,c) " b,c" -#define AS3(a,b,c,d) "a b,c,d" -#endif +#define DEFAULT_ASSEMBLER_DIALECT 0 /* Define macro used to output shift-double opcodes when the shift count is in %cl. Some assemblers require %cl as an argument; some don't. This macro controls what to do: by default, don't print %cl. */ #define SHIFT_DOUBLE_OMITS_COUNT 1 -#define AS3_SHIFT_DOUBLE(a,b,c,d) \ - (SHIFT_DOUBLE_OMITS_COUNT ? AS2 (a,c,d) : AS3 (a,b,c,d)) - -/* Output the size-letter for an opcode. - CODE is the letter used in an operand spec (L, B, W, S or Q). - CH is the corresponding lower case letter - (except if CODE is `Q' then CH is `l', unless GAS_MNEMONICS). */ -#define PUT_OP_SIZE(CODE,CH,FILE) putc (CH,(FILE)) - -/* Opcode suffix for fullword insn. */ -#define L_SIZE "l" - -/* Prefix for register names in this syntax. */ -#define RP "%" - -/* Prefix for immediate operands in this syntax. */ -#define IP "$" - -/* Indirect call instructions should use `*'. */ -#define USE_STAR 1 - -/* Prefix for a memory-operand X. */ -#define PRINT_PTR(X, FILE) - -/* Delimiters that surround base reg and index reg. */ -#define ADDR_BEG(FILE) putc('(', (FILE)) -#define ADDR_END(FILE) putc(')', (FILE)) - -/* Print an index register (whose rtx is IREG). */ -#define PRINT_IREG(FILE,IREG) \ - do \ - { fputs (",", (FILE)); PRINT_REG ((IREG), 0, (FILE)); } \ - while (0) - -/* Print an index scale factor SCALE. */ -#define PRINT_SCALE(FILE,SCALE) \ - if ((SCALE) != 1) fprintf ((FILE), ",%d", (SCALE)) - -/* Print a base/index combination. - BREG is the base reg rtx, IREG is the index reg rtx, - and SCALE is the index scale factor (an integer). */ - -#define PRINT_B_I_S(BREG,IREG,SCALE,FILE) \ - { ADDR_BEG (FILE); \ - if (BREG) PRINT_REG ((BREG), 0, (FILE)); \ - if ((IREG) != 0) \ - { PRINT_IREG ((FILE), (IREG)); \ - PRINT_SCALE ((FILE), (SCALE)); } \ - ADDR_END (FILE); } /* Define the syntax of pseudo-ops, labels and comments. */ @@ -114,15 +48,15 @@ Boston, MA 02111-1307, USA. */ /* Output before read-only data. */ -#define TEXT_SECTION_ASM_OP ".text" +#define TEXT_SECTION_ASM_OP "\t.text" /* Output before writable (initialized) data. */ -#define DATA_SECTION_ASM_OP ".data" +#define DATA_SECTION_ASM_OP "\t.data" /* Output before writable (uninitialized) data. */ -#define BSS_SECTION_ASM_OP ".bss" +#define BSS_SECTION_ASM_OP "\t.bss" /* This is how to output a command to make the user-level label named NAME defined for reference from other files. */ @@ -133,58 +67,69 @@ Boston, MA 02111-1307, USA. */ /* By default, target has a 80387, uses IEEE compatible arithmetic, and returns float values in the 387. */ -#define TARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS) +#define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS) /* Floating-point return values come in the FP register. */ #define VALUE_REGNO(MODE) \ (GET_MODE_CLASS (MODE) == MODE_FLOAT \ - && TARGET_FLOAT_RETURNS_IN_80387 ? FIRST_FLOAT_REG : 0) - -/* 1 if N is a possible register number for a function value. */ - -#define FUNCTION_VALUE_REGNO_P(N) \ - ((N) == 0 || ((N)== FIRST_FLOAT_REG && TARGET_FLOAT_RETURNS_IN_80387)) + && TARGET_FLOAT_RETURNS_IN_80387 ? FIRST_FLOAT_REG \ + : (MODE) == TImode || VECTOR_MODE_P (MODE) ? FIRST_SSE_REG \ + : 0) /* Output code to add DELTA to the first argument, and then jump to FUNCTION. Used for C++ multiple inheritance. */ -#define ASM_OUTPUT_MI_THUNK(FILE, THUNK_FNDECL, DELTA, FUNCTION) \ -do { \ - tree parm; \ - \ - if (i386_regparm > 0) \ - parm = TYPE_ARG_TYPES (TREE_TYPE (function)); \ - else \ - parm = NULL_TREE; \ - for (; parm; parm = TREE_CHAIN (parm)) \ - if (TREE_VALUE (parm) == void_type_node) \ - break; \ - fprintf (FILE, "\taddl $%d,%s\n", DELTA, \ - parm ? "%eax" \ - : aggregate_value_p (TREE_TYPE (TREE_TYPE (FUNCTION))) ? "8(%esp)" \ - : "4(%esp)"); \ - \ - if (flag_pic) \ - { \ - rtx xops[2]; \ - xops[0] = pic_offset_table_rtx; \ - xops[1] = (rtx) gen_label_rtx (); \ - \ - if (i386_regparm > 2) \ - abort (); \ - output_asm_insn ("push%L0 %0", xops); \ - output_asm_insn (AS1 (call,%P1), xops); \ - ASM_OUTPUT_INTERNAL_LABEL (FILE, "L", CODE_LABEL_NUMBER (xops[1])); \ - output_asm_insn (AS1 (pop%L0,%0), xops); \ - output_asm_insn ("addl $%__GLOBAL_OFFSET_TABLE_+[.-%P1],%0", xops); \ - fprintf (FILE, "\tmovl "); \ - assemble_name (FILE, XSTR (XEXP (DECL_RTL (FUNCTION), 0), 0)); \ - fprintf (FILE, "@GOT(%%ebx),%%ecx\n\tpopl %%ebx\n\tjmp *%%ecx\n"); \ - } \ - else \ - { \ - fprintf (FILE, "\tjmp "); \ - assemble_name (FILE, XSTR (XEXP (DECL_RTL (FUNCTION), 0), 0)); \ - fprintf (FILE, "\n"); \ - } \ +#define ASM_OUTPUT_MI_THUNK(FILE, THUNK_FNDECL, DELTA, FUNCTION) \ +do { \ + tree parm; \ + rtx xops[3]; \ + \ + if (ix86_regparm > 0) \ + parm = TYPE_ARG_TYPES (TREE_TYPE (function)); \ + else \ + parm = NULL_TREE; \ + for (; parm; parm = TREE_CHAIN (parm)) \ + if (TREE_VALUE (parm) == void_type_node) \ + break; \ + \ + xops[0] = GEN_INT (DELTA); \ + if (parm) \ + xops[1] = gen_rtx_REG (SImode, 0); \ + else if (aggregate_value_p (TREE_TYPE (TREE_TYPE (FUNCTION)))) \ + xops[1] = gen_rtx_MEM (SImode, plus_constant (stack_pointer_rtx, 8)); \ + else \ + xops[1] = gen_rtx_MEM (SImode, plus_constant (stack_pointer_rtx, 4)); \ + output_asm_insn ("add{l} {%0, %1|%1, %0}", xops); \ + \ + if (flag_pic && !TARGET_64BIT) \ + { \ + xops[0] = pic_offset_table_rtx; \ + xops[1] = gen_label_rtx (); \ + xops[2] = gen_rtx_SYMBOL_REF (Pmode, "_GLOBAL_OFFSET_TABLE_"); \ + \ + if (ix86_regparm > 2) \ + abort (); \ + output_asm_insn ("push{l}\t%0", xops); \ + output_asm_insn ("call\t%P1", xops); \ + ASM_OUTPUT_INTERNAL_LABEL (FILE, "L", CODE_LABEL_NUMBER (xops[1])); \ + output_asm_insn ("pop{l}\t%0", xops); \ + output_asm_insn ("add{l}\t{%2+[.-%P1], %0|%0, OFFSET FLAT: %2+[.-%P1]}", xops); \ + xops[0] = gen_rtx_MEM (SImode, XEXP (DECL_RTL (FUNCTION), 0)); \ + output_asm_insn ("mov{l}\t{%0@GOT(%%ebx), %%ecx|%%ecx, %0@GOT[%%ebx]}",\ + xops); \ + asm_fprintf (FILE, "\tpop{l\t%%ebx|\t%%ebx}\n"); \ + asm_fprintf (FILE, "\tjmp\t{*%%ecx|%%ecx}\n"); \ + } \ + else if (flag_pic && TARGET_64BIT) \ + { \ + fprintf (FILE, "\tjmp *"); \ + assemble_name (FILE, XSTR (XEXP (DECL_RTL (FUNCTION), 0), 0)); \ + fprintf (FILE, "@GOTPCREL(%%rip)\n"); \ + } \ + else \ + { \ + fprintf (FILE, "\tjmp "); \ + assemble_name (FILE, XSTR (XEXP (DECL_RTL (FUNCTION), 0), 0)); \ + fprintf (FILE, "\n"); \ + } \ } while (0) |
