summaryrefslogtreecommitdiffstats
path: root/contrib/gcc/config/ia64
diff options
context:
space:
mode:
authorkan <kan@FreeBSD.org>2003-11-07 02:43:04 +0000
committerkan <kan@FreeBSD.org>2003-11-07 02:43:04 +0000
commitb09448931ae541a7a60fd1cf0ebac14b627fba69 (patch)
tree980c917e2cc50183c4d566d9a0f9a1c818e6a6cd /contrib/gcc/config/ia64
parentdc227ec3ae9a56f16c472206f51e4838bb53a644 (diff)
downloadFreeBSD-src-b09448931ae541a7a60fd1cf0ebac14b627fba69.zip
FreeBSD-src-b09448931ae541a7a60fd1cf0ebac14b627fba69.tar.gz
Gcc 3.3.3 20031106.
Diffstat (limited to 'contrib/gcc/config/ia64')
-rw-r--r--contrib/gcc/config/ia64/hpux.h16
-rw-r--r--contrib/gcc/config/ia64/ia64-protos.h3
-rw-r--r--contrib/gcc/config/ia64/ia64.c194
-rw-r--r--contrib/gcc/config/ia64/ia64.h56
-rw-r--r--contrib/gcc/config/ia64/ia64.md20
-rw-r--r--contrib/gcc/config/ia64/ia64intrin.h8
-rw-r--r--contrib/gcc/config/ia64/libgcc-ia64.ver3
-rw-r--r--contrib/gcc/config/ia64/unwind-ia64.c18
8 files changed, 223 insertions, 95 deletions
diff --git a/contrib/gcc/config/ia64/hpux.h b/contrib/gcc/config/ia64/hpux.h
index 56c601b..90303ea 100644
--- a/contrib/gcc/config/ia64/hpux.h
+++ b/contrib/gcc/config/ia64/hpux.h
@@ -49,6 +49,13 @@ do { \
} \
} while (0)
+#undef CPP_SPEC
+#define CPP_SPEC \
+ "%{mt|pthread:-D_REENTRANT -D_THREAD_SAFE -D_POSIX_C_SOURCE=199506L}"
+/* aCC defines also -DRWSTD_MULTI_THREAD, -DRW_MULTI_THREAD. These
+ affect only aCC's C++ library (Rogue Wave-derived) which we do not
+ use, and they violate the user's name space. */
+
#undef ASM_EXTRA_SPEC
#define ASM_EXTRA_SPEC "%{milp32:-milp32} %{mlp64:-mlp64}"
@@ -68,6 +75,7 @@ do { \
#undef LIB_SPEC
#define LIB_SPEC \
"%{!shared: \
+ %{mt|pthread:-lpthread} \
%{p:%{!mlp64:-L/usr/lib/hpux32/libp} \
%{mlp64:-L/usr/lib/hpux64/libp} -lprof} \
%{pg:%{!mlp64:-L/usr/lib/hpux32/libp} \
@@ -134,6 +142,10 @@ do { \
#undef TARGET_HPUX_LD
#define TARGET_HPUX_LD 1
+/* The HPUX dynamic linker objects to weak symbols with no
+ definitions, so do not use them in gthr-posix.h. */
+#define GTHREAD_USE_WEAK 0
+
/* Put out the needed function declarations at the end. */
#define ASM_FILE_END(STREAM) ia64_hpux_asm_file_end(STREAM)
@@ -144,6 +156,10 @@ do { \
#undef DTORS_SECTION_ASM_OP
#define DTORS_SECTION_ASM_OP "\t.section\t.fini_array,\t\"aw\",\"fini_array\""
+/* The init_array/fini_array technique does not permit the use of
+ initialization priorities. */
+#define SUPPORTS_INIT_PRIORITY 0
+
#undef READONLY_DATA_SECTION_ASM_OP
#define READONLY_DATA_SECTION_ASM_OP "\t.section\t.rodata,\t\"a\",\t\"progbits\""
diff --git a/contrib/gcc/config/ia64/ia64-protos.h b/contrib/gcc/config/ia64/ia64-protos.h
index 72c2279..f25bb02 100644
--- a/contrib/gcc/config/ia64/ia64-protos.h
+++ b/contrib/gcc/config/ia64/ia64-protos.h
@@ -135,6 +135,9 @@ extern void ia64_override_options PARAMS((void));
extern int ia64_dbx_register_number PARAMS((int));
extern bool ia64_function_ok_for_sibcall PARAMS ((tree));
+extern rtx ia64_return_addr_rtx PARAMS ((HOST_WIDE_INT, rtx));
+extern void ia64_split_return_addr_rtx PARAMS ((rtx));
+
#ifdef SDATA_SECTION_ASM_OP
extern void sdata_section PARAMS ((void));
#endif
diff --git a/contrib/gcc/config/ia64/ia64.c b/contrib/gcc/config/ia64/ia64.c
index 0f34d8f..12f3204 100644
--- a/contrib/gcc/config/ia64/ia64.c
+++ b/contrib/gcc/config/ia64/ia64.c
@@ -175,8 +175,9 @@ static rtx ia64_expand_fetch_and_op PARAMS ((optab, enum machine_mode,
tree, rtx));
static rtx ia64_expand_op_and_fetch PARAMS ((optab, enum machine_mode,
tree, rtx));
-static rtx ia64_expand_compare_and_swap PARAMS ((enum machine_mode, int,
- tree, rtx));
+static rtx ia64_expand_compare_and_swap PARAMS ((enum machine_mode,
+ enum machine_mode,
+ int, tree, rtx));
static rtx ia64_expand_lock_test_and_set PARAMS ((enum machine_mode,
tree, rtx));
static rtx ia64_expand_lock_release PARAMS ((enum machine_mode, tree, rtx));
@@ -1154,6 +1155,7 @@ ia64_expand_move (op0, op1)
if ((tls_kind = tls_symbolic_operand (op1, Pmode)))
{
rtx tga_op1, tga_op2, tga_ret, tga_eqv, tmp, insns;
+ rtx orig_op0 = op0;
switch (tls_kind)
{
@@ -1177,8 +1179,10 @@ ia64_expand_move (op0, op1)
insns = get_insns ();
end_sequence ();
+ if (GET_MODE (op0) != Pmode)
+ op0 = tga_ret;
emit_libcall_block (insns, op0, tga_ret, op1);
- return NULL_RTX;
+ break;
case TLS_MODEL_LOCAL_DYNAMIC:
/* ??? This isn't the completely proper way to do local-dynamic
@@ -1206,20 +1210,15 @@ ia64_expand_move (op0, op1)
tmp = gen_reg_rtx (Pmode);
emit_libcall_block (insns, tmp, tga_ret, tga_eqv);
- if (register_operand (op0, Pmode))
- tga_ret = op0;
- else
- tga_ret = gen_reg_rtx (Pmode);
+ if (!register_operand (op0, Pmode))
+ op0 = gen_reg_rtx (Pmode);
if (TARGET_TLS64)
{
- emit_insn (gen_load_dtprel (tga_ret, op1));
- emit_insn (gen_adddi3 (tga_ret, tmp, tga_ret));
+ emit_insn (gen_load_dtprel (op0, op1));
+ emit_insn (gen_adddi3 (op0, tmp, op0));
}
else
- emit_insn (gen_add_dtprel (tga_ret, tmp, op1));
- if (tga_ret == op0)
- return NULL_RTX;
- op1 = tga_ret;
+ emit_insn (gen_add_dtprel (op0, tmp, op1));
break;
case TLS_MODEL_INITIAL_EXEC:
@@ -1229,35 +1228,32 @@ ia64_expand_move (op0, op1)
RTX_UNCHANGING_P (tmp) = 1;
tmp = force_reg (Pmode, tmp);
- if (register_operand (op0, Pmode))
- op1 = op0;
- else
- op1 = gen_reg_rtx (Pmode);
- emit_insn (gen_adddi3 (op1, tmp, gen_thread_pointer ()));
- if (op1 == op0)
- return NULL_RTX;
+ if (!register_operand (op0, Pmode))
+ op0 = gen_reg_rtx (Pmode);
+ emit_insn (gen_adddi3 (op0, tmp, gen_thread_pointer ()));
break;
case TLS_MODEL_LOCAL_EXEC:
- if (register_operand (op0, Pmode))
- tmp = op0;
- else
- tmp = gen_reg_rtx (Pmode);
+ if (!register_operand (op0, Pmode))
+ op0 = gen_reg_rtx (Pmode);
if (TARGET_TLS64)
{
- emit_insn (gen_load_tprel (tmp, op1));
- emit_insn (gen_adddi3 (tmp, gen_thread_pointer (), tmp));
+ emit_insn (gen_load_tprel (op0, op1));
+ emit_insn (gen_adddi3 (op0, gen_thread_pointer (), op0));
}
else
- emit_insn (gen_add_tprel (tmp, gen_thread_pointer (), op1));
- if (tmp == op0)
- return NULL_RTX;
- op1 = tmp;
+ emit_insn (gen_add_tprel (op0, gen_thread_pointer (), op1));
break;
default:
abort ();
}
+
+ if (orig_op0 == op0)
+ return NULL_RTX;
+ if (GET_MODE (orig_op0) == Pmode)
+ return op0;
+ return gen_lowpart (GET_MODE (orig_op0), op0);
}
else if (!TARGET_NO_PIC &&
(symbolic_operand (op1, Pmode) ||
@@ -2015,10 +2011,6 @@ ia64_initial_elimination_offset (from, to)
abort ();
break;
- case RETURN_ADDRESS_POINTER_REGNUM:
- offset = 0;
- break;
-
default:
abort ();
}
@@ -2369,17 +2361,6 @@ ia64_expand_prologue ()
reg_names[current_frame_info.reg_fp] = tmp;
}
- /* Fix up the return address placeholder. */
- /* ??? We can fail if __builtin_return_address is used, and we didn't
- allocate a register in which to save b0. I can't think of a way to
- eliminate RETURN_ADDRESS_POINTER_REGNUM to a local register and
- then be sure that I got the right one. Further, reload doesn't seem
- to care if an eliminable register isn't used, and "eliminates" it
- anyway. */
- if (regs_ever_live[RETURN_ADDRESS_POINTER_REGNUM]
- && current_frame_info.reg_save_b0 != 0)
- XINT (return_address_pointer_rtx, 0) = current_frame_info.reg_save_b0;
-
/* We don't need an alloc instruction if we've used no outputs or locals. */
if (current_frame_info.n_local_regs == 0
&& current_frame_info.n_output_regs == 0
@@ -2936,6 +2917,72 @@ ia64_direct_return ()
return 0;
}
+/* Return the magic cookie that we use to hold the return address
+ during early compilation. */
+
+rtx
+ia64_return_addr_rtx (count, frame)
+ HOST_WIDE_INT count;
+ rtx frame ATTRIBUTE_UNUSED;
+{
+ if (count != 0)
+ return NULL;
+ return gen_rtx_UNSPEC (Pmode, gen_rtvec (1, const0_rtx), UNSPEC_RET_ADDR);
+}
+
+/* Split this value after reload, now that we know where the return
+ address is saved. */
+
+void
+ia64_split_return_addr_rtx (dest)
+ rtx dest;
+{
+ rtx src;
+
+ if (TEST_HARD_REG_BIT (current_frame_info.mask, BR_REG (0)))
+ {
+ if (current_frame_info.reg_save_b0 != 0)
+ src = gen_rtx_REG (DImode, current_frame_info.reg_save_b0);
+ else
+ {
+ HOST_WIDE_INT off;
+ unsigned int regno;
+
+ /* Compute offset from CFA for BR0. */
+ /* ??? Must be kept in sync with ia64_expand_prologue. */
+ off = (current_frame_info.spill_cfa_off
+ + current_frame_info.spill_size);
+ for (regno = GR_REG (1); regno <= GR_REG (31); ++regno)
+ if (TEST_HARD_REG_BIT (current_frame_info.mask, regno))
+ off -= 8;
+
+ /* Convert CFA offset to a register based offset. */
+ if (frame_pointer_needed)
+ src = hard_frame_pointer_rtx;
+ else
+ {
+ src = stack_pointer_rtx;
+ off += current_frame_info.total_size;
+ }
+
+ /* Load address into scratch register. */
+ if (CONST_OK_FOR_I (off))
+ emit_insn (gen_adddi3 (dest, src, GEN_INT (off)));
+ else
+ {
+ emit_move_insn (dest, GEN_INT (off));
+ emit_insn (gen_adddi3 (dest, src, dest));
+ }
+
+ src = gen_rtx_MEM (Pmode, dest);
+ }
+ }
+ else
+ src = gen_rtx_REG (DImode, BR_REG (0));
+
+ emit_move_insn (dest, src);
+}
+
int
ia64_hard_regno_rename_ok (from, to)
int from;
@@ -3085,9 +3132,6 @@ ia64_output_function_epilogue (file, size)
{
int i;
- /* Reset from the function's potential modifications. */
- XINT (return_address_pointer_rtx, 0) = RETURN_ADDRESS_POINTER_REGNUM;
-
if (current_frame_info.reg_fp)
{
const char *tmp = reg_names[HARD_FRAME_POINTER_REGNUM];
@@ -7060,7 +7104,8 @@ ia64_emit_nops ()
{
while (bundle_pos < 3)
{
- emit_insn_before (gen_nop_type (b->t[bundle_pos]), insn);
+ if (b->t[bundle_pos] != TYPE_L)
+ emit_insn_before (gen_nop_type (b->t[bundle_pos]), insn);
bundle_pos++;
}
continue;
@@ -7666,11 +7711,16 @@ ia64_init_builtins ()
psi_type_node, integer_type_node,
integer_type_node, NULL_TREE);
- /* __sync_val_compare_and_swap_di, __sync_bool_compare_and_swap_di */
+ /* __sync_val_compare_and_swap_di */
tree di_ftype_pdi_di_di
= build_function_type_list (long_integer_type_node,
pdi_type_node, long_integer_type_node,
long_integer_type_node, NULL_TREE);
+ /* __sync_bool_compare_and_swap_di */
+ tree si_ftype_pdi_di_di
+ = build_function_type_list (integer_type_node,
+ pdi_type_node, long_integer_type_node,
+ long_integer_type_node, NULL_TREE);
/* __sync_synchronize */
tree void_ftype_void
= build_function_type (void_type_node, void_list_node);
@@ -7703,7 +7753,7 @@ ia64_init_builtins ()
IA64_BUILTIN_VAL_COMPARE_AND_SWAP_DI);
def_builtin ("__sync_bool_compare_and_swap_si", si_ftype_psi_si_si,
IA64_BUILTIN_BOOL_COMPARE_AND_SWAP_SI);
- def_builtin ("__sync_bool_compare_and_swap_di", di_ftype_pdi_di_di,
+ def_builtin ("__sync_bool_compare_and_swap_di", si_ftype_pdi_di_di,
IA64_BUILTIN_BOOL_COMPARE_AND_SWAP_DI);
def_builtin ("__sync_synchronize", void_ftype_void,
@@ -7943,7 +7993,8 @@ ia64_expand_op_and_fetch (binoptab, mode, arglist, target)
*/
static rtx
-ia64_expand_compare_and_swap (mode, boolp, arglist, target)
+ia64_expand_compare_and_swap (rmode, mode, boolp, arglist, target)
+ enum machine_mode rmode;
enum machine_mode mode;
int boolp;
tree arglist;
@@ -7991,7 +8042,7 @@ ia64_expand_compare_and_swap (mode, boolp, arglist, target)
if (boolp)
{
if (! target)
- target = gen_reg_rtx (mode);
+ target = gen_reg_rtx (rmode);
return emit_store_flag_force (target, EQ, tmp, old, mode, 1, 1);
}
else
@@ -8066,11 +8117,16 @@ ia64_expand_builtin (exp, target, subtarget, mode, ignore)
tree fndecl = TREE_OPERAND (TREE_OPERAND (exp, 0), 0);
unsigned int fcode = DECL_FUNCTION_CODE (fndecl);
tree arglist = TREE_OPERAND (exp, 1);
+ enum machine_mode rmode = VOIDmode;
switch (fcode)
{
case IA64_BUILTIN_BOOL_COMPARE_AND_SWAP_SI:
case IA64_BUILTIN_VAL_COMPARE_AND_SWAP_SI:
+ mode = SImode;
+ rmode = SImode;
+ break;
+
case IA64_BUILTIN_LOCK_TEST_AND_SET_SI:
case IA64_BUILTIN_LOCK_RELEASE_SI:
case IA64_BUILTIN_FETCH_AND_ADD_SI:
@@ -8089,7 +8145,15 @@ ia64_expand_builtin (exp, target, subtarget, mode, ignore)
break;
case IA64_BUILTIN_BOOL_COMPARE_AND_SWAP_DI:
+ mode = DImode;
+ rmode = SImode;
+ break;
+
case IA64_BUILTIN_VAL_COMPARE_AND_SWAP_DI:
+ mode = DImode;
+ rmode = DImode;
+ break;
+
case IA64_BUILTIN_LOCK_TEST_AND_SET_DI:
case IA64_BUILTIN_LOCK_RELEASE_DI:
case IA64_BUILTIN_FETCH_AND_ADD_DI:
@@ -8115,11 +8179,13 @@ ia64_expand_builtin (exp, target, subtarget, mode, ignore)
{
case IA64_BUILTIN_BOOL_COMPARE_AND_SWAP_SI:
case IA64_BUILTIN_BOOL_COMPARE_AND_SWAP_DI:
- return ia64_expand_compare_and_swap (mode, 1, arglist, target);
+ return ia64_expand_compare_and_swap (rmode, mode, 1, arglist,
+ target);
case IA64_BUILTIN_VAL_COMPARE_AND_SWAP_SI:
case IA64_BUILTIN_VAL_COMPARE_AND_SWAP_DI:
- return ia64_expand_compare_and_swap (mode, 0, arglist, target);
+ return ia64_expand_compare_and_swap (rmode, mode, 0, arglist,
+ target);
case IA64_BUILTIN_SYNCHRONIZE:
emit_insn (gen_mf ());
@@ -8368,6 +8434,9 @@ ia64_output_mi_thunk (file, thunk, delta, vcall_offset, function)
emit_note (NULL, NOTE_INSN_PROLOGUE_END);
this = gen_rtx_REG (Pmode, IN_REG (0));
+ if (TARGET_ILP32)
+ emit_insn (gen_ptr_extend (this,
+ gen_rtx_REG (ptr_mode, IN_REG (0))));
/* Apply the constant offset, if required. */
if (delta)
@@ -8389,7 +8458,14 @@ ia64_output_mi_thunk (file, thunk, delta, vcall_offset, function)
rtx vcall_offset_rtx = GEN_INT (vcall_offset);
rtx tmp = gen_rtx_REG (Pmode, 2);
- emit_move_insn (tmp, gen_rtx_MEM (Pmode, this));
+ if (TARGET_ILP32)
+ {
+ rtx t = gen_rtx_REG (ptr_mode, 2);
+ emit_move_insn (t, gen_rtx_MEM (ptr_mode, this));
+ emit_insn (gen_ptr_extend (tmp, t));
+ }
+ else
+ emit_move_insn (tmp, gen_rtx_MEM (Pmode, this));
if (!CONST_OK_FOR_J (vcall_offset))
{
@@ -8399,7 +8475,11 @@ ia64_output_mi_thunk (file, thunk, delta, vcall_offset, function)
}
emit_insn (gen_adddi3 (tmp, tmp, vcall_offset_rtx));
- emit_move_insn (tmp, gen_rtx_MEM (Pmode, tmp));
+ if (TARGET_ILP32)
+ emit_move_insn (gen_rtx_REG (ptr_mode, 2),
+ gen_rtx_MEM (ptr_mode, tmp));
+ else
+ emit_move_insn (tmp, gen_rtx_MEM (Pmode, tmp));
emit_insn (gen_adddi3 (this, this, tmp));
}
diff --git a/contrib/gcc/config/ia64/ia64.h b/contrib/gcc/config/ia64/ia64.h
index 724405a..60d0143 100644
--- a/contrib/gcc/config/ia64/ia64.h
+++ b/contrib/gcc/config/ia64/ia64.h
@@ -436,7 +436,7 @@ while (0)
64 predicate registers, 8 branch registers, one frame pointer,
and several "application" registers. */
-#define FIRST_PSEUDO_REGISTER 335
+#define FIRST_PSEUDO_REGISTER 334
/* Ranges for the various kinds of registers. */
#define ADDL_REGNO_P(REGNO) ((unsigned HOST_WIDE_INT) (REGNO) <= 3)
@@ -445,9 +445,7 @@ while (0)
#define PR_REGNO_P(REGNO) ((REGNO) >= 256 && (REGNO) <= 319)
#define BR_REGNO_P(REGNO) ((REGNO) >= 320 && (REGNO) <= 327)
#define GENERAL_REGNO_P(REGNO) \
- (GR_REGNO_P (REGNO) \
- || (REGNO) == FRAME_POINTER_REGNUM \
- || (REGNO) == RETURN_ADDRESS_POINTER_REGNUM)
+ (GR_REGNO_P (REGNO) || (REGNO) == FRAME_POINTER_REGNUM)
#define GR_REG(REGNO) ((REGNO) + 0)
#define FR_REG(REGNO) ((REGNO) + 128)
@@ -457,11 +455,11 @@ while (0)
#define IN_REG(REGNO) ((REGNO) + 112)
#define LOC_REG(REGNO) ((REGNO) + 32)
-#define AR_CCV_REGNUM 330
-#define AR_UNAT_REGNUM 331
-#define AR_PFS_REGNUM 332
-#define AR_LC_REGNUM 333
-#define AR_EC_REGNUM 334
+#define AR_CCV_REGNUM 329
+#define AR_UNAT_REGNUM 330
+#define AR_PFS_REGNUM 331
+#define AR_LC_REGNUM 332
+#define AR_EC_REGNUM 333
#define IN_REGNO_P(REGNO) ((REGNO) >= IN_REG (0) && (REGNO) <= IN_REG (7))
#define LOC_REGNO_P(REGNO) ((REGNO) >= LOC_REG (0) && (REGNO) <= LOC_REG (79))
@@ -524,8 +522,8 @@ while (0)
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
/* Branch registers. */ \
0, 0, 0, 0, 0, 0, 0, 0, \
- /*FP RA CCV UNAT PFS LC EC */ \
- 1, 1, 1, 1, 1, 0, 1 \
+ /*FP CCV UNAT PFS LC EC */ \
+ 1, 1, 1, 1, 0, 1 \
}
/* Like `FIXED_REGISTERS' but has 1 for each register that is clobbered
@@ -559,8 +557,8 @@ while (0)
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
/* Branch registers. */ \
1, 0, 0, 0, 0, 0, 1, 1, \
- /*FP RA CCV UNAT PFS LC EC */ \
- 1, 1, 1, 1, 1, 0, 1 \
+ /*FP CCV UNAT PFS LC EC */ \
+ 1, 1, 1, 1, 0, 1 \
}
/* Like `CALL_USED_REGISTERS' but used to overcome a historical
@@ -597,8 +595,8 @@ while (0)
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
/* Branch registers. */ \
1, 0, 0, 0, 0, 0, 1, 1, \
- /*FP RA CCV UNAT PFS LC EC */ \
- 0, 0, 1, 0, 1, 0, 0 \
+ /*FP CCV UNAT PFS LC EC */ \
+ 0, 1, 0, 1, 0, 0 \
}
@@ -744,7 +742,7 @@ while (0)
/* Special branch registers. */ \
R_BR (0), \
/* Other fixed registers. */ \
- FRAME_POINTER_REGNUM, RETURN_ADDRESS_POINTER_REGNUM, \
+ FRAME_POINTER_REGNUM, \
AR_CCV_REGNUM, AR_UNAT_REGNUM, AR_PFS_REGNUM, AR_LC_REGNUM, \
AR_EC_REGNUM \
}
@@ -873,11 +871,11 @@ enum reg_class
/* AR_M_REGS. */ \
{ 0x00000000, 0x00000000, 0x00000000, 0x00000000, \
0x00000000, 0x00000000, 0x00000000, 0x00000000, \
- 0x00000000, 0x00000000, 0x0C00 }, \
+ 0x00000000, 0x00000000, 0x0600 }, \
/* AR_I_REGS. */ \
{ 0x00000000, 0x00000000, 0x00000000, 0x00000000, \
0x00000000, 0x00000000, 0x00000000, 0x00000000, \
- 0x00000000, 0x00000000, 0x7000 }, \
+ 0x00000000, 0x00000000, 0x3800 }, \
/* ADDL_REGS. */ \
{ 0x0000000F, 0x00000000, 0x00000000, 0x00000000, \
0x00000000, 0x00000000, 0x00000000, 0x00000000, \
@@ -885,7 +883,7 @@ enum reg_class
/* GR_REGS. */ \
{ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, \
0x00000000, 0x00000000, 0x00000000, 0x00000000, \
- 0x00000000, 0x00000000, 0x0300 }, \
+ 0x00000000, 0x00000000, 0x0100 }, \
/* FR_REGS. */ \
{ 0x00000000, 0x00000000, 0x00000000, 0x00000000, \
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, \
@@ -893,15 +891,15 @@ enum reg_class
/* GR_AND_BR_REGS. */ \
{ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, \
0x00000000, 0x00000000, 0x00000000, 0x00000000, \
- 0x00000000, 0x00000000, 0x03FF }, \
+ 0x00000000, 0x00000000, 0x01FF }, \
/* GR_AND_FR_REGS. */ \
{ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, \
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, \
- 0x00000000, 0x00000000, 0x0300 }, \
+ 0x00000000, 0x00000000, 0x0100 }, \
/* ALL_REGS. */ \
{ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, \
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, \
- 0xFFFFFFFF, 0xFFFFFFFF, 0x7FFF }, \
+ 0xFFFFFFFF, 0xFFFFFFFF, 0x3FFF }, \
}
/* A C expression whose value is a register class containing hard register
@@ -1119,7 +1117,7 @@ enum reg_class
DYNAMIC_CHAIN_ADDRESS and SETUP_FRAME_ADDRESS (for the reg stack flush). */
#define RETURN_ADDR_RTX(COUNT, FRAME) \
- ((COUNT) == 0 ? return_address_pointer_rtx : const0_rtx)
+ ia64_return_addr_rtx (COUNT, FRAME)
/* A C expression whose value is RTL representing the location of the incoming
return address at the beginning of any function, before the prologue. This
@@ -1180,13 +1178,6 @@ enum reg_class
REGNO_POINTER_ALIGN (ARG_POINTER_REGNUM) = 64; \
} while (0)
-/* The register number for the return address register. For IA-64, this
- is not actually a pointer as the name suggests, but that's a name that
- gen_rtx_REG already takes care to keep unique. We modify
- return_address_pointer_rtx in ia64_expand_prologue to reference the
- final output regnum. */
-#define RETURN_ADDRESS_POINTER_REGNUM 329
-
/* Register numbers used for passing a function's static chain pointer. */
/* ??? The ABI sez the static chain should be passed as a normal parameter. */
#define STATIC_CHAIN_REGNUM 15
@@ -1210,7 +1201,6 @@ enum reg_class
{ARG_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}, \
{FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM}, \
{FRAME_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}, \
- {RETURN_ADDRESS_POINTER_REGNUM, BR_REG (0)}, \
}
/* A C expression that returns nonzero if the compiler is allowed to try to
@@ -1934,8 +1924,8 @@ do { \
"p60", "p61", "p62", "p63", \
/* Branch registers. */ \
"b0", "b1", "b2", "b3", "b4", "b5", "b6", "b7", \
- /* Frame pointer. Return address. */ \
- "sfp", "retaddr", "ar.ccv", "ar.unat", "ar.pfs", "ar.lc", "ar.ec", \
+ /* Frame pointer. Application registers. */ \
+ "sfp", "ar.ccv", "ar.unat", "ar.pfs", "ar.lc", "ar.ec", \
}
/* If defined, a C initializer for an array of structures containing a name and
diff --git a/contrib/gcc/config/ia64/ia64.md b/contrib/gcc/config/ia64/ia64.md
index 4baa5d3..3b88d9f 100644
--- a/contrib/gcc/config/ia64/ia64.md
+++ b/contrib/gcc/config/ia64/ia64.md
@@ -73,6 +73,7 @@
(UNSPEC_BUNDLE_SELECTOR 23)
(UNSPEC_ADDP4 24)
(UNSPEC_PROLOGUE_USE 25)
+ (UNSPEC_RET_ADDR 26)
])
(define_constants
@@ -416,6 +417,25 @@
DONE;
})
+;; This is used as a placeholder for the return address during early
+;; compilation. We won't know where we've placed this until during
+;; reload, at which point it can wind up in b0, a general register,
+;; or memory. The only safe destination under these conditions is a
+;; general register.
+
+(define_insn_and_split "*movdi_ret_addr"
+ [(set (match_operand:DI 0 "register_operand" "=r")
+ (unspec:DI [(const_int 0)] UNSPEC_RET_ADDR))]
+ ""
+ "#"
+ "reload_completed"
+ [(const_int 0)]
+{
+ ia64_split_return_addr_rtx (operands[0]);
+ DONE;
+}
+ [(set_attr "itanium_class" "ialu")])
+
(define_insn "*movdi_internal"
[(set (match_operand:DI 0 "destination_operand"
"=r,r,r,r, m, r,*f,*f,*f, Q, r,*b, r,*e, r,*d, r,*c")
diff --git a/contrib/gcc/config/ia64/ia64intrin.h b/contrib/gcc/config/ia64/ia64intrin.h
index c7bbd33..262dc20 100644
--- a/contrib/gcc/config/ia64/ia64intrin.h
+++ b/contrib/gcc/config/ia64/ia64intrin.h
@@ -19,13 +19,11 @@ extern long __sync_val_compare_and_swap_di (long *, long, long);
__sync_val_compare_and_swap_di((long *)(PTR),(long)(OLD),(long)(NEW)))
extern int __sync_bool_compare_and_swap_si (int *, int, int);
-extern long __sync_bool_compare_and_swap_di (long *, long, long);
+extern int __sync_bool_compare_and_swap_di (long *, long, long);
#define __sync_bool_compare_and_swap(PTR, OLD, NEW) \
((sizeof (*(PTR)) == sizeof(int)) \
- ? (__typeof__(*(PTR))) \
- __sync_bool_compare_and_swap_si((int *)(PTR),(int)(OLD),(int)(NEW)) \
- : (__typeof__(*(PTR))) \
- __sync_bool_compare_and_swap_di((long *)(PTR),(long)(OLD),(long)(NEW)))
+ ? __sync_bool_compare_and_swap_si((int *)(PTR),(int)(OLD),(int)(NEW)) \
+ : __sync_bool_compare_and_swap_di((long *)(PTR),(long)(OLD),(long)(NEW)))
extern void __sync_lock_release_si (int *);
extern void __sync_lock_release_di (long *);
diff --git a/contrib/gcc/config/ia64/libgcc-ia64.ver b/contrib/gcc/config/ia64/libgcc-ia64.ver
index 2ffb693..cd76990 100644
--- a/contrib/gcc/config/ia64/libgcc-ia64.ver
+++ b/contrib/gcc/config/ia64/libgcc-ia64.ver
@@ -7,3 +7,6 @@ GCC_3.0 {
__ia64_trampoline
__ia64_backtrace
}
+GCC_3.3.2 {
+ _Unwind_GetBSP
+}
diff --git a/contrib/gcc/config/ia64/unwind-ia64.c b/contrib/gcc/config/ia64/unwind-ia64.c
index 12e46ae..88d236b 100644
--- a/contrib/gcc/config/ia64/unwind-ia64.c
+++ b/contrib/gcc/config/ia64/unwind-ia64.c
@@ -1665,6 +1665,14 @@ _Unwind_GetCFA (struct _Unwind_Context *context)
return (_Unwind_Ptr) context->psp;
}
+/* Get the value of the Backing Store Pointer as saved in CONTEXT. */
+
+_Unwind_Word
+_Unwind_GetBSP (struct _Unwind_Context *context)
+{
+ return (_Unwind_Ptr) context->bsp;
+}
+
static _Unwind_Reason_Code
uw_frame_state_for (struct _Unwind_Context *context, _Unwind_FrameState *fs)
@@ -1786,6 +1794,11 @@ uw_update_reg_address (struct _Unwind_Context *context,
addr = ia64_rse_skip_regs ((unsigned long *) context->bsp, rval - 32);
else if (rval >= 2)
addr = context->ireg[rval - 2].loc;
+ else if (rval == 0)
+ {
+ static const unsigned long dummy;
+ addr = (void *) &dummy;
+ }
else
abort ();
break;
@@ -1837,6 +1850,11 @@ uw_update_reg_address (struct _Unwind_Context *context,
context->ireg[regno - UNW_REG_R2].nat
= context->ireg[rval - 2].nat;
}
+ else if (rval == 0)
+ {
+ context->ireg[regno - UNW_REG_R2].nat.type = UNW_NAT_NONE;
+ context->ireg[regno - UNW_REG_R2].nat.off = 0;
+ }
else
abort ();
break;
OpenPOWER on IntegriCloud