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alias.c (set_mem_alias_set): New function.

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* alias.c (set_mem_alias_set): New function.
	* rtl.h (set_mem_alias_set): Declare it.
	* builtins.c (expand_builtin_return_addr): Call it instead of
	using MEM_ALIAS_SET accessor.
	(expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
	(get_memory_rtx, expand_builtin_va_arg): Likewise.
	(expand_builtin_va_copy):Likewise.
	* caller-save.c (setup_save_areas): Likewise.
	* calls.c (compute_argument_addresses): Likewise.
	* explow.c (set_mem_attributes): Likewise.
	* expr.c (emit_single_push_insn, emit_push_insn): Likewise.
	(expand_assignment, store_constructor_field, store_field): Likewise.
	(expand_expr_unaligned): Likewise.
	* function.c (assign_stack_temp_for_type): Likewise.
	(put_reg_into_stack, gen_mem_addressof): Likewise.
	* ifcvt.c (noce_try_cmove_arith): Likewise.
	* reload1.c (reload, alter_reg): Likewise.
	* config/alpha/alpha.c (get_aligned_mem): Likewise.
	(alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
	(alpha_expand_unaligned_store): Likewise
	(alpha_expand_unaligned_load_words): Likewise.
	(alpha_expand_unaligned_store_words): Likewise.
	(alpha_expand_block_clear, alpha_expand_prologue): Likewise.
	(alpha_expand_epilogue): Likewise.
	* config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
	* config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
	* config/i386/i386.c (legitimize_pic_address): Likewise.
	* config/i960/i960.c (setup_incoming_varargs): Likewise.
	* config/ia64/ia64.c (spill_restore_mem): Likewise.
	* config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
	* config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
	* config/mips/mips.c (mips_va_arg): Likewise.
	* config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
	* config/pa/pa.c (hppa_builtin_saveregs): Likewise.
	* config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
	(setup_incoming_varargs, rs6000_va_arg): Likewise.
	(rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
	(rs6000_emit_epilogue): Likewise.
	* config/sh/sh.c (sh_builtin_saveregs): Likewise.
	* config/sparc/sparc.c (sparc_va_arg): Likewise.
	* config/v850/v850.c (v850_va_arg): Likewise.

From-SVN: r43951
This commit is contained in:
Richard Kenner 2001-07-11 20:35:55 +00:00 committed by Richard Kenner
parent 46fac66482
commit ba4828e005
26 changed files with 193 additions and 130 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
gcc/ChangeLog
View File

@ -1,3 +1,47 @@
Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* alias.c (set_mem_alias_set): New function.
* rtl.h (set_mem_alias_set): Declare it.
* builtins.c (expand_builtin_return_addr): Call it instead of
using MEM_ALIAS_SET accessor.
(expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
(get_memory_rtx, expand_builtin_va_arg): Likewise.
(expand_builtin_va_copy):Likewise.
* caller-save.c (setup_save_areas): Likewise.
* calls.c (compute_argument_addresses): Likewise.
* explow.c (set_mem_attributes): Likewise.
* expr.c (emit_single_push_insn, emit_push_insn): Likewise.
(expand_assignment, store_constructor_field, store_field): Likewise.
(expand_expr_unaligned): Likewise.
* function.c (assign_stack_temp_for_type): Likewise.
(put_reg_into_stack, gen_mem_addressof): Likewise.
* ifcvt.c (noce_try_cmove_arith): Likewise.
* reload1.c (reload, alter_reg): Likewise.
* config/alpha/alpha.c (get_aligned_mem): Likewise.
(alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
(alpha_expand_unaligned_store): Likewise
(alpha_expand_unaligned_load_words): Likewise.
(alpha_expand_unaligned_store_words): Likewise.
(alpha_expand_block_clear, alpha_expand_prologue): Likewise.
(alpha_expand_epilogue): Likewise.
* config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
* config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
* config/i386/i386.c (legitimize_pic_address): Likewise.
* config/i960/i960.c (setup_incoming_varargs): Likewise.
* config/ia64/ia64.c (spill_restore_mem): Likewise.
* config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
* config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
* config/mips/mips.c (mips_va_arg): Likewise.
* config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
* config/pa/pa.c (hppa_builtin_saveregs): Likewise.
* config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
(setup_incoming_varargs, rs6000_va_arg): Likewise.
(rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
(rs6000_emit_epilogue): Likewise.
* config/sh/sh.c (sh_builtin_saveregs): Likewise.
* config/sparc/sparc.c (sparc_va_arg): Likewise.
* config/v850/v850.c (v850_va_arg): Likewise.
Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
* flow.c (merge_blocks_move_successor_nojumps): Do not crash

18
gcc/alias.c
View File

@ -278,6 +278,24 @@ alias_sets_conflict_p (set1, set2)
return 0;
}
/* Set the alias set of MEM to SET. */
void
set_mem_alias_set (mem, set)
rtx mem;
HOST_WIDE_INT set;
{
/* We would like to do this test but can't yet since when converting a
REG to a MEM, the alias set field is undefined. */
#if 0
/* If the new and old alias sets don't conflict, something is wrong. */
if (!alias_sets_conflict_p (set, MEM_ALIAS_SET (mem)))
abort ();
#endif
MEM_ALIAS_SET (mem) = set;
}
/* Return 1 if TYPE is a RECORD_TYPE, UNION_TYPE, or QUAL_UNION_TYPE and has
has any readonly fields. If any of the fields have types that
contain readonly fields, return true as well. */

24
gcc/builtins.c
View File

@ -427,7 +427,7 @@ expand_builtin_return_addr (fndecl_code, count, tem)
#endif
tem = memory_address (Pmode, tem);
tem = gen_rtx_MEM (Pmode, tem);
MEM_ALIAS_SET (tem) = get_frame_alias_set ();
set_mem_alias_set (tem, get_frame_alias_set ());
tem = copy_to_reg (tem);
}
@ -443,7 +443,7 @@ expand_builtin_return_addr (fndecl_code, count, tem)
tem = memory_address (Pmode,
plus_constant (tem, GET_MODE_SIZE (Pmode)));
tem = gen_rtx_MEM (Pmode, tem);
MEM_ALIAS_SET (tem) = get_frame_alias_set ();
set_mem_alias_set (tem, get_frame_alias_set ());
#endif
return tem;
}
@ -484,11 +484,11 @@ expand_builtin_setjmp_setup (buf_addr, receiver_label)
#endif
mem = gen_rtx_MEM (Pmode, buf_addr);
MEM_ALIAS_SET (mem) = setjmp_alias_set;
set_mem_alias_set (mem, setjmp_alias_set);
emit_move_insn (mem, BUILTIN_SETJMP_FRAME_VALUE);
mem = gen_rtx_MEM (Pmode, plus_constant (buf_addr, GET_MODE_SIZE (Pmode))),
MEM_ALIAS_SET (mem) = setjmp_alias_set;
set_mem_alias_set (mem, setjmp_alias_set);
emit_move_insn (validize_mem (mem),
force_reg (Pmode, gen_rtx_LABEL_REF (Pmode, receiver_label)));
@ -496,7 +496,7 @@ expand_builtin_setjmp_setup (buf_addr, receiver_label)
stack_save = gen_rtx_MEM (sa_mode,
plus_constant (buf_addr,
2 * GET_MODE_SIZE (Pmode)));
MEM_ALIAS_SET (stack_save) = setjmp_alias_set;
set_mem_alias_set (stack_save, setjmp_alias_set);
emit_stack_save (SAVE_NONLOCAL, &stack_save, NULL_RTX);
/* If there is further processing to do, do it. */
@ -685,8 +685,9 @@ expand_builtin_longjmp (buf_addr, value)
stack = gen_rtx_MEM (sa_mode, plus_constant (buf_addr,
2 * GET_MODE_SIZE (Pmode)));
MEM_ALIAS_SET (fp) = MEM_ALIAS_SET (lab) = MEM_ALIAS_SET (stack)
= setjmp_alias_set;
set_mem_alias_set (fp, setjmp_alias_set);
set_mem_alias_set (lab, setjmp_alias_set);
set_mem_alias_set (stack, setjmp_alias_set);
/* Pick up FP, label, and SP from the block and jump. This code is
from expand_goto in stmt.c; see there for detailed comments. */
@ -756,9 +757,8 @@ get_memory_rtx (exp)
return mem;
set_mem_attributes (mem, exp, 0);
/* memcpy, memset and other builtin stringops can alias with anything. */
MEM_ALIAS_SET (mem) = 0;
set_mem_alias_set (mem, 0);
return mem;
}
@ -2965,7 +2965,7 @@ expand_builtin_va_arg (valist, type)
}
result = gen_rtx_MEM (TYPE_MODE (type), addr);
MEM_ALIAS_SET (result) = get_varargs_alias_set ();
set_mem_alias_set (result, get_varargs_alias_set ());
return result;
}
@ -3025,9 +3025,9 @@ expand_builtin_va_copy (arglist)
/* "Dereference" to BLKmode memories. */
dstb = gen_rtx_MEM (BLKmode, dstb);
MEM_ALIAS_SET (dstb) = get_alias_set (TREE_TYPE (TREE_TYPE (dst)));
set_mem_alias_set (dstb, get_alias_set (TREE_TYPE (TREE_TYPE (dst))));
srcb = gen_rtx_MEM (BLKmode, srcb);
MEM_ALIAS_SET (srcb) = get_alias_set (TREE_TYPE (TREE_TYPE (src)));
set_mem_alias_set (srcb, get_alias_set (TREE_TYPE (TREE_TYPE (src))));
/* Copy. */
emit_block_move (dstb, srcb, size, TYPE_ALIGN (va_list_type_node));

2
gcc/caller-save.c
View File

@ -342,7 +342,7 @@ setup_save_areas ()
for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
for (j = MOVE_MAX_WORDS; j > 0; j--)
if (regno_save_mem[i][j] != 0)
MEM_ALIAS_SET (regno_save_mem[i][j]) = get_frame_alias_set ();
set_mem_alias_set (regno_save_mem[i][j], get_frame_alias_set ());
}
/* Find the places where hard regs are live across calls and save them. */

4
gcc/calls.c
View File

@ -1626,8 +1626,8 @@ compute_argument_addresses (args, argblock, num_actuals)
outgoing arguments and we cannot allow reordering of reads
from function arguments with stores to outgoing arguments
of sibling calls. */
MEM_ALIAS_SET (args[i].stack) = 0;
MEM_ALIAS_SET (args[i].stack_slot) = 0;
set_mem_alias_set (args[i].stack, 0);
set_mem_alias_set (args[i].stack_slot, 0);
}
}
}

57
gcc/config/alpha/alpha.c
View File

@ -1102,7 +1102,7 @@ get_aligned_mem (ref, paligned_mem, pbitnum)
/* Sadly, we cannot use alias sets here because we may overlap other
data in a different alias set. */
MEM_ALIAS_SET (*paligned_mem) = 0;
set_mem_alias_set (*paligned_mem, 0);
*pbitnum = GEN_INT ((offset & 3) * 8);
}
@ -1229,7 +1229,6 @@ alpha_set_memflags_1 (x, in_struct_p, volatile_p, unchanging_p)
are the only thing we would be able to differentiate anyway,
there does not seem to be any point in convoluting the early
out of the alias check. */
/* MEM_ALIAS_SET (x) = alias_set; */
break;
default:
@ -2519,7 +2518,7 @@ alpha_expand_unaligned_load (tgt, mem, size, ofs, sign)
gen_rtx_AND (DImode,
plus_constant (XEXP (mem, 0), ofs),
GEN_INT (-8)));
MEM_ALIAS_SET (tmp) = 0;
set_mem_alias_set (tmp, 0);
emit_move_insn (meml, tmp);
tmp = change_address (mem, DImode,
@ -2527,7 +2526,7 @@ alpha_expand_unaligned_load (tgt, mem, size, ofs, sign)
plus_constant (XEXP (mem, 0),
ofs + size - 1),
GEN_INT (-8)));
MEM_ALIAS_SET (tmp) = 0;
set_mem_alias_set (tmp, 0);
emit_move_insn (memh, tmp);
if (sign && size == 2)
@ -2600,14 +2599,14 @@ alpha_expand_unaligned_store (dst, src, size, ofs)
gen_rtx_AND (DImode,
plus_constant (XEXP (dst, 0), ofs),
GEN_INT (-8)));
MEM_ALIAS_SET (meml) = 0;
set_mem_alias_set (meml, 0);
memh = change_address (dst, DImode,
gen_rtx_AND (DImode,
plus_constant (XEXP (dst, 0),
ofs+size-1),
GEN_INT (-8)));
MEM_ALIAS_SET (memh) = 0;
set_mem_alias_set (memh, 0);
emit_move_insn (dsth, memh);
emit_move_insn (dstl, meml);
@ -2705,7 +2704,7 @@ alpha_expand_unaligned_load_words (out_regs, smem, words, ofs)
gen_rtx_AND (DImode,
plus_constant (XEXP(smem,0), 8*i),
im8));
MEM_ALIAS_SET (tmp) = 0;
set_mem_alias_set (tmp, 0);
emit_move_insn (data_regs[i], tmp);
}
@ -2713,7 +2712,7 @@ alpha_expand_unaligned_load_words (out_regs, smem, words, ofs)
gen_rtx_AND (DImode,
plus_constant (XEXP(smem,0), 8*words - 1),
im8));
MEM_ALIAS_SET (tmp) = 0;
set_mem_alias_set (tmp, 0);
emit_move_insn (data_regs[words], tmp);
/* Extract the half-word fragments. Unfortunately DEC decided to make
@ -2779,13 +2778,13 @@ alpha_expand_unaligned_store_words (data_regs, dmem, words, ofs)
plus_constant (XEXP(dmem,0),
words*8 - 1),
im8));
MEM_ALIAS_SET (st_addr_2) = 0;
set_mem_alias_set (st_addr_2, 0);
st_addr_1 = change_address (dmem, DImode,
gen_rtx_AND (DImode,
XEXP (dmem, 0),
im8));
MEM_ALIAS_SET (st_addr_1) = 0;
set_mem_alias_set (st_addr_1, 0);
/* Load up the destination end bits. */
emit_move_insn (st_tmp_2, st_addr_2);
@ -2828,7 +2827,7 @@ alpha_expand_unaligned_store_words (data_regs, dmem, words, ofs)
gen_rtx_AND (DImode,
plus_constant(XEXP (dmem,0), i*8),
im8));
MEM_ALIAS_SET (tmp) = 0;
set_mem_alias_set (tmp, 0);
emit_move_insn (tmp, data_regs ? ins_tmps[i-1] : const0_rtx);
}
emit_move_insn (st_addr_1, st_tmp_1);
@ -3253,7 +3252,7 @@ alpha_expand_block_clear (operands)
HOST_WIDE_INT mask;
mem = adjust_address (orig_dst, mode, ofs - inv_alignofs);
MEM_ALIAS_SET (mem) = 0;
set_mem_alias_set (mem, 0);
mask = ~(~(HOST_WIDE_INT)0 << (inv_alignofs * 8));
if (bytes < alignofs)
@ -3333,13 +3332,13 @@ alpha_expand_block_clear (operands)
words = bytes / 8;
for (i = 0; i < words; ++i)
{
rtx mem;
mem = change_address (orig_dst, DImode,
gen_rtx_AND (DImode,
plus_constant (XEXP (orig_dst, 0),
ofs + i*8),
GEN_INT (-8)));
MEM_ALIAS_SET (mem) = 0;
rtx mem
= change_address (orig_dst, DImode,
gen_rtx_AND (DImode,
plus_constant (XEXP (orig_dst, 0),
ofs + i*8),
GEN_INT (-8)));
set_mem_alias_set (mem, 0);
emit_move_insn (mem, const0_rtx);
}
@ -3398,7 +3397,7 @@ alpha_expand_block_clear (operands)
HOST_WIDE_INT mask;
mem = adjust_address (orig_dst, DImode, ofs);
MEM_ALIAS_SET (mem) = 0;
set_mem_alias_set (mem, 0);
mask = ~(HOST_WIDE_INT)0 << (bytes * 8);
@ -3414,7 +3413,7 @@ alpha_expand_block_clear (operands)
HOST_WIDE_INT mask;
mem = adjust_address (orig_dst, SImode, ofs);
MEM_ALIAS_SET (mem) = 0;
set_mem_alias_set (mem, 0);
mask = ~(HOST_WIDE_INT)0 << (bytes * 8);
@ -4741,7 +4740,7 @@ alpha_expand_prologue ()
if (TARGET_OPEN_VMS && vms_is_stack_procedure)
{
mem = gen_rtx_MEM (DImode, stack_pointer_rtx);
MEM_ALIAS_SET (mem) = alpha_sr_alias_set;
set_mem_alias_set (mem, alpha_sr_alias_set);
FRP (emit_move_insn (mem, gen_rtx_REG (DImode, REG_PV)));
}
@ -4749,7 +4748,7 @@ alpha_expand_prologue ()
if (imask & (1L << REG_RA))
{
mem = gen_rtx_MEM (DImode, plus_constant (sa_reg, reg_offset));
MEM_ALIAS_SET (mem) = alpha_sr_alias_set;
set_mem_alias_set (mem, alpha_sr_alias_set);
FRP (emit_move_insn (mem, gen_rtx_REG (DImode, REG_RA)));
imask &= ~(1L << REG_RA);
reg_offset += 8;
@ -4760,7 +4759,7 @@ alpha_expand_prologue ()
if (imask & (1L << i))
{
mem = gen_rtx_MEM (DImode, plus_constant (sa_reg, reg_offset));
MEM_ALIAS_SET (mem) = alpha_sr_alias_set;
set_mem_alias_set (mem, alpha_sr_alias_set);
FRP (emit_move_insn (mem, gen_rtx_REG (DImode, i)));
reg_offset += 8;
}
@ -4769,7 +4768,7 @@ alpha_expand_prologue ()
if (fmask & (1L << i))
{
mem = gen_rtx_MEM (DFmode, plus_constant (sa_reg, reg_offset));
MEM_ALIAS_SET (mem) = alpha_sr_alias_set;
set_mem_alias_set (mem, alpha_sr_alias_set);
FRP (emit_move_insn (mem, gen_rtx_REG (DFmode, i+32)));
reg_offset += 8;
}
@ -5104,7 +5103,7 @@ alpha_expand_epilogue ()
mem = gen_rtx_MEM (DImode, plus_constant (sa_reg, reg_offset));
if (! eh_ofs)
MEM_ALIAS_SET (mem) = alpha_sr_alias_set;
set_mem_alias_set (mem, alpha_sr_alias_set);
FRP (emit_move_insn (gen_rtx_REG (DImode, REG_RA), mem));
reg_offset += 8;
@ -5118,7 +5117,7 @@ alpha_expand_epilogue ()
else
{
mem = gen_rtx_MEM (DImode, plus_constant(sa_reg, reg_offset));
MEM_ALIAS_SET (mem) = alpha_sr_alias_set;
set_mem_alias_set (mem, alpha_sr_alias_set);
FRP (emit_move_insn (gen_rtx_REG (DImode, i), mem));
}
reg_offset += 8;
@ -5128,7 +5127,7 @@ alpha_expand_epilogue ()
if (fmask & (1L << i))
{
mem = gen_rtx_MEM (DFmode, plus_constant(sa_reg, reg_offset));
MEM_ALIAS_SET (mem) = alpha_sr_alias_set;
set_mem_alias_set (mem, alpha_sr_alias_set);
FRP (emit_move_insn (gen_rtx_REG (DFmode, i+32), mem));
reg_offset += 8;
}
@ -5186,7 +5185,7 @@ alpha_expand_epilogue ()
{
emit_insn (gen_blockage ());
mem = gen_rtx_MEM (DImode, plus_constant (sa_reg, fp_offset));
MEM_ALIAS_SET (mem) = alpha_sr_alias_set;
set_mem_alias_set (mem, alpha_sr_alias_set);
FRP (emit_move_insn (hard_frame_pointer_rtx, mem));
}
else if (TARGET_OPEN_VMS)

6
gcc/config/arc/arc.c
View File

@ -1,6 +1,6 @@
/* Subroutines used for code generation on the Argonaut ARC cpu.
Copyright (C) 1994, 1995, 1997, 1998, 1999,
2000 Free Software Foundation, Inc.
Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001
Free Software Foundation, Inc.
This file is part of GNU CC.
@ -797,7 +797,7 @@ arc_setup_incoming_varargs (cum, mode, type, pretend_size, no_rtl)
plus_constant (arg_pointer_rtx,
FIRST_PARM_OFFSET (0)
+ align_slop * UNITS_PER_WORD));
MEM_ALIAS_SET (regblock) = get_varargs_alias_set ();
set_mem_alias_set (regblock, get_varargs_alias_set ());
move_block_from_reg (first_reg_offset, regblock,
MAX_ARC_PARM_REGS - first_reg_offset,
((MAX_ARC_PARM_REGS - first_reg_offset)

12
gcc/config/clipper/clipper.c
View File

@ -1,6 +1,6 @@
/* Subroutines for insn-output.c for Clipper
Copyright (C) 1987, 1988, 1991, 1997, 1998,
1999, 2000 Free Software Foundation, Inc.
Copyright (C) 1987, 1988, 1991, 1997, 1998, 1999, 2000, 2001
Free Software Foundation, Inc.
Contributed by Holger Teutsch (holger@hotbso.rhein-main.de)
This file is part of GNU CC.
@ -402,21 +402,21 @@ clipper_builtin_saveregs ()
/* Store int regs */
mem = gen_rtx_MEM (SImode, r0_addr);
MEM_ALIAS_SET (mem) = set;
set_mem_alias_set (mem, set);
emit_move_insn (mem, gen_rtx_REG (SImode, 0));
mem = gen_rtx_MEM (SImode, r1_addr);
MEM_ALIAS_SET (mem) = set;
set_mem_alias_set (mem, set);
emit_move_insn (mem, gen_rtx_REG (SImode, 1));
/* Store float regs */
mem = gen_rtx_MEM (DFmode, f0_addr);
MEM_ALIAS_SET (mem) = set;
set_mem_alias_set (mem, set);
emit_move_insn (mem, gen_rtx_REG (DFmode, 16));
mem = gen_rtx_MEM (DFmode, f1_addr);
MEM_ALIAS_SET (mem) = set;
set_mem_alias_set (mem, set);
emit_move_insn (mem, gen_rtx_REG (DFmode, 17));
if (current_function_check_memory_usage)

2
gcc/config/i386/i386.c
View File

@ -3421,7 +3421,7 @@ legitimize_pic_address (orig, reg)
new = gen_rtx_PLUS (Pmode, pic_offset_table_rtx, new);
new = gen_rtx_MEM (Pmode, new);
RTX_UNCHANGING_P (new) = 1;
MEM_ALIAS_SET (new) = ix86_GOT_alias_set ();
set_mem_alias_set (new, ix86_GOT_alias_set ());
if (reg == 0)
reg = gen_reg_rtx (Pmode);

5
gcc/config/i960/i960.c
View File

@ -2581,9 +2581,8 @@ i960_setup_incoming_varargs (cum, mode, type, pretend_size, no_rtl)
/* ??? Note that we unnecessarily store one extra register for stdarg
fns. We could optimize this, but it's kept as for now. */
regblock = gen_rtx_MEM (BLKmode,
plus_constant (arg_pointer_rtx,
first_reg * 4));
MEM_ALIAS_SET (regblock) = get_varargs_alias_set ();
plus_constant (arg_pointer_rtx, first_reg * 4));
set_mem_alias_set (regblock, get_varargs_alias_set ());
move_block_from_reg (first_reg, regblock,
NPARM_REGS - first_reg,
(NPARM_REGS - first_reg) * UNITS_PER_WORD);

4
gcc/config/ia64/ia64.c
View File

@ -1702,7 +1702,7 @@ spill_restore_mem (reg, cfa_off)
&& frame_pointer_needed)
{
mem = gen_rtx_MEM (GET_MODE (reg), hard_frame_pointer_rtx);
MEM_ALIAS_SET (mem) = get_varargs_alias_set ();
set_mem_alias_set (mem, get_varargs_alias_set ());
return mem;
}
else
@ -1751,7 +1751,7 @@ spill_restore_mem (reg, cfa_off)
/* ??? Not all of the spills are for varargs, but some of them are.
The rest of the spills belong in an alias set of their own. But
it doesn't actually hurt to include them here. */
MEM_ALIAS_SET (mem) = get_varargs_alias_set ();
set_mem_alias_set (mem, get_varargs_alias_set ());
spill_fill_data.prev_addr[iter] = &XEXP (mem, 0);
spill_fill_data.prev_off[iter] = cfa_off;

2
gcc/config/m32r/m32r.c
View File

@ -1400,7 +1400,7 @@ m32r_setup_incoming_varargs (cum, mode, type, pretend_size, no_rtl)
regblock = gen_rtx_MEM (BLKmode,
plus_constant (arg_pointer_rtx,
FIRST_PARM_OFFSET (0)));
MEM_ALIAS_SET (regblock) = get_varargs_alias_set ();
set_mem_alias_set (regblock, get_varargs_alias_set ());
move_block_from_reg (first_reg_offset, regblock,
size, size * UNITS_PER_WORD);

10
gcc/config/m88k/m88k.c
View File

@ -2612,15 +2612,13 @@ m88k_builtin_saveregs ()
variable_args_p = 1;
fixed = 0;
if (CONSTANT_P (current_function_arg_offset_rtx))
{
fixed = (XINT (current_function_arg_offset_rtx, 0)
+ argadj) / UNITS_PER_WORD;
}
if (GET_CODE (current_function_arg_offset_rtx) == CONST_INT)
fixed = ((INTVAL (current_function_arg_offset_rtx) + argadj)
/ UNITS_PER_WORD);
/* Allocate the register space, and store it as the __va_reg member. */
addr = assign_stack_local (BLKmode, 8 * UNITS_PER_WORD, -1);
MEM_ALIAS_SET (addr) = get_varargs_alias_set ();
set_mem_alias_set (addr, get_varargs_alias_set ());
RTX_UNCHANGING_P (addr) = 1;
RTX_UNCHANGING_P (XEXP (addr, 0)) = 1;

4
gcc/config/mips/mips.c
View File

@ -4515,7 +4515,7 @@ mips_va_arg (valist, type)
if (indirect)
{
r = gen_rtx_MEM (Pmode, addr_rtx);
MEM_ALIAS_SET (r) = get_varargs_alias_set ();
set_mem_alias_set (r, get_varargs_alias_set ());
emit_move_insn (addr_rtx, r);
}
else
@ -4656,7 +4656,7 @@ mips_va_arg (valist, type)
if (indirect)
{
r = gen_rtx_MEM (Pmode, addr_rtx);
MEM_ALIAS_SET (r) = get_varargs_alias_set ();
set_mem_alias_set (r, get_varargs_alias_set ());
emit_move_insn (addr_rtx, r);
}
else

4
gcc/config/mn10300/mn10300.c
View File

@ -869,12 +869,12 @@ mn10300_builtin_saveregs ()
offset = current_function_arg_offset_rtx;
mem = gen_rtx_MEM (SImode, current_function_internal_arg_pointer);
MEM_ALIAS_SET (mem) = set;
set_mem_alias_set (mem, set);
emit_move_insn (mem, gen_rtx_REG (SImode, 0));
mem = gen_rtx_MEM (SImode,
plus_constant (current_function_internal_arg_pointer, 4));
MEM_ALIAS_SET (mem) = set;
set_mem_alias_set (mem, set);
emit_move_insn (mem, gen_rtx_REG (SImode, 1));
return copy_to_reg (expand_binop (Pmode, add_optab,

2
gcc/config/pa/pa.c
View File

@ -4799,7 +4799,7 @@ hppa_builtin_saveregs ()
dest = gen_rtx_MEM (BLKmode,
plus_constant (current_function_internal_arg_pointer,
-16));
MEM_ALIAS_SET (dest) = get_varargs_alias_set ();
set_mem_alias_set (dest, get_varargs_alias_set ());
move_block_from_reg (23, dest, 4, 4 * UNITS_PER_WORD);
/* move_block_from_reg will emit code to store the argument registers

60
gcc/config/rs6000/rs6000.c
View File

@ -1861,9 +1861,10 @@ rs6000_emit_move (dest, source, mode)
get_pool_constant (XEXP (operands[1], 0)),
get_pool_mode (XEXP (operands[1], 0))))
{
operands[1] = gen_rtx_MEM (mode,
create_TOC_reference (XEXP (operands[1], 0)));
MEM_ALIAS_SET (operands[1]) = get_TOC_alias_set ();
operands[1]
= gen_rtx_MEM (mode,
create_TOC_reference (XEXP (operands[1], 0)));
set_mem_alias_set (operands[1], get_TOC_alias_set ());
RTX_UNCHANGING_P (operands[1]) = 1;
}
}
@ -2355,7 +2356,7 @@ setup_incoming_varargs (cum, mode, type, pretend_size, no_rtl)
mem = gen_rtx_MEM (BLKmode,
plus_constant (save_area,
first_reg_offset * reg_size)),
MEM_ALIAS_SET (mem) = set;
set_mem_alias_set (mem, set);
move_block_from_reg
(GP_ARG_MIN_REG + first_reg_offset, mem,
@ -2387,7 +2388,7 @@ setup_incoming_varargs (cum, mode, type, pretend_size, no_rtl)
while (fregno <= FP_ARG_V4_MAX_REG)
{
mem = gen_rtx_MEM (DFmode, plus_constant (save_area, off));
MEM_ALIAS_SET (mem) = set;
set_mem_alias_set (mem, set);
emit_move_insn (mem, gen_rtx_REG (DFmode, fregno));
fregno++;
off += 8;
@ -2692,7 +2693,7 @@ rs6000_va_arg (valist, type)
if (indirect_p)
{
r = gen_rtx_MEM (Pmode, addr_rtx);
MEM_ALIAS_SET (r) = get_varargs_alias_set ();
set_mem_alias_set (r, get_varargs_alias_set ());
emit_move_insn (addr_rtx, r);
}
@ -5673,7 +5674,7 @@ rs6000_emit_eh_toc_restore (stacksize)
rtx loop_exit = gen_label_rtx ();
mem = gen_rtx_MEM (Pmode, hard_frame_pointer_rtx);
MEM_ALIAS_SET (mem) = rs6000_sr_alias_set;
set_mem_alias_set (mem, rs6000_sr_alias_set);
emit_move_insn (bottom_of_stack, mem);
top_of_stack = expand_binop (Pmode, add_optab,
@ -5707,7 +5708,7 @@ rs6000_emit_eh_toc_restore (stacksize)
loop_exit);
mem = gen_rtx_MEM (Pmode, bottom_of_stack);
MEM_ALIAS_SET (mem) = rs6000_sr_alias_set;
set_mem_alias_set (mem, rs6000_sr_alias_set);
emit_move_insn (bottom_of_stack, mem);
mem = gen_rtx_MEM (Pmode,
@ -5723,15 +5724,15 @@ rs6000_emit_eh_toc_restore (stacksize)
}
#endif /* TARGET_AIX */
/* This ties together stack memory
(MEM with an alias set of rs6000_sr_alias_set)
and the change to the stack pointer. */
/* This ties together stack memory (MEM with an alias set of
rs6000_sr_alias_set) and the change to the stack pointer. */
static void
rs6000_emit_stack_tie ()
{
rtx mem;
mem = gen_rtx_MEM (BLKmode, gen_rtx_REG (Pmode, STACK_POINTER_REGNUM));
MEM_ALIAS_SET (mem) = rs6000_sr_alias_set;
rtx mem = gen_rtx_MEM (BLKmode, gen_rtx_REG (Pmode, STACK_POINTER_REGNUM));
set_mem_alias_set (mem, rs6000_sr_alias_set);
emit_insn (gen_stack_tie (mem));
}
@ -5972,7 +5973,7 @@ rs6000_emit_prologue ()
+ sp_offset
+ 8*i));
mem = gen_rtx_MEM (DFmode, addr);
MEM_ALIAS_SET (mem) = rs6000_sr_alias_set;
set_mem_alias_set (mem, rs6000_sr_alias_set);
insn = emit_move_insn (mem, reg);
rs6000_frame_related (insn, frame_ptr_rtx, info->total_size,
@ -6004,7 +6005,7 @@ rs6000_emit_prologue ()
GEN_INT (info->fp_save_offset
+ sp_offset + 8*i));
mem = gen_rtx_MEM (DFmode, addr);
MEM_ALIAS_SET (mem) = rs6000_sr_alias_set;
set_mem_alias_set (mem, rs6000_sr_alias_set);
RTVEC_ELT (p, i + 2) = gen_rtx_SET (VOIDmode, mem, reg);
}
@ -6030,7 +6031,7 @@ rs6000_emit_prologue ()
+ sp_offset
+ reg_size * i));
mem = gen_rtx_MEM (reg_mode, addr);
MEM_ALIAS_SET (mem) = rs6000_sr_alias_set;
set_mem_alias_set (mem, rs6000_sr_alias_set);
RTVEC_ELT (p, i) = gen_rtx_SET (VOIDmode, mem, reg);
}
@ -6057,7 +6058,7 @@ rs6000_emit_prologue ()
+ sp_offset
+ reg_size * i));
mem = gen_rtx_MEM (reg_mode, addr);
MEM_ALIAS_SET (mem) = rs6000_sr_alias_set;
set_mem_alias_set (mem, rs6000_sr_alias_set);
insn = emit_move_insn (mem, reg);
rs6000_frame_related (insn, frame_ptr_rtx, info->total_size,
@ -6084,7 +6085,7 @@ rs6000_emit_prologue ()
info->ehrd_offset + sp_offset
+ reg_size * (int) i);
mem = gen_rtx_MEM (reg_mode, addr);
MEM_ALIAS_SET (mem) = rs6000_sr_alias_set;
set_mem_alias_set (mem, rs6000_sr_alias_set);
insn = emit_move_insn (mem, reg);
rs6000_frame_related (insn, frame_ptr_rtx, info->total_size,
@ -6113,7 +6114,8 @@ rs6000_emit_prologue ()
rtx addr = gen_rtx_PLUS (Pmode, frame_reg_rtx,
GEN_INT (info->cr_save_offset + sp_offset));
rtx mem = gen_rtx_MEM (SImode, addr);
MEM_ALIAS_SET (mem) = rs6000_sr_alias_set;
set_mem_alias_set (mem, rs6000_sr_alias_set);
/* If r12 was used to hold the original sp, copy cr into r0 now
that it's free. */
@ -6304,7 +6306,8 @@ rs6000_emit_epilogue (sibcall)
rtx addr = gen_rtx_PLUS (Pmode, frame_reg_rtx,
GEN_INT (info->lr_save_offset + sp_offset));
rtx mem = gen_rtx_MEM (Pmode, addr);
MEM_ALIAS_SET (mem) = rs6000_sr_alias_set;
set_mem_alias_set (mem, rs6000_sr_alias_set);
emit_move_insn (gen_rtx_REG (Pmode, 0), mem);
}
@ -6315,7 +6318,8 @@ rs6000_emit_epilogue (sibcall)
rtx addr = gen_rtx_PLUS (Pmode, frame_reg_rtx,
GEN_INT (info->cr_save_offset + sp_offset));
rtx mem = gen_rtx_MEM (SImode, addr);
MEM_ALIAS_SET (mem) = rs6000_sr_alias_set;
set_mem_alias_set (mem, rs6000_sr_alias_set);
emit_move_insn (gen_rtx_REG (SImode, 12), mem);
}
@ -6342,7 +6346,7 @@ rs6000_emit_epilogue (sibcall)
info->ehrd_offset + sp_offset
+ reg_size * (int) i);
mem = gen_rtx_MEM (reg_mode, addr);
MEM_ALIAS_SET (mem) = rs6000_sr_alias_set;
set_mem_alias_set (mem, rs6000_sr_alias_set);
emit_move_insn (gen_rtx_REG (reg_mode, regno), mem);
}
@ -6361,7 +6365,8 @@ rs6000_emit_epilogue (sibcall)
+ sp_offset
+ reg_size * i));
rtx mem = gen_rtx_MEM (reg_mode, addr);
MEM_ALIAS_SET (mem) = rs6000_sr_alias_set;
set_mem_alias_set (mem, rs6000_sr_alias_set);
RTVEC_ELT (p, i) =
gen_rtx_SET (VOIDmode,
@ -6385,7 +6390,8 @@ rs6000_emit_epilogue (sibcall)
+ sp_offset
+ reg_size * i));
rtx mem = gen_rtx_MEM (reg_mode, addr);
MEM_ALIAS_SET (mem) = rs6000_sr_alias_set;
set_mem_alias_set (mem, rs6000_sr_alias_set);
emit_move_insn (gen_rtx_REG (reg_mode,
info->first_gp_reg_save + i),
@ -6404,7 +6410,7 @@ rs6000_emit_epilogue (sibcall)
+ sp_offset
+ 8*i));
mem = gen_rtx_MEM (DFmode, addr);
MEM_ALIAS_SET (mem) = rs6000_sr_alias_set;
set_mem_alias_set (mem, rs6000_sr_alias_set);
emit_move_insn (gen_rtx_REG (DFmode,
info->first_fp_reg_save + i),
@ -6526,7 +6532,7 @@ rs6000_emit_epilogue (sibcall)
addr = gen_rtx_PLUS (Pmode, sp_reg_rtx,
GEN_INT (info->fp_save_offset + 8*i));
mem = gen_rtx_MEM (DFmode, addr);
MEM_ALIAS_SET (mem) = rs6000_sr_alias_set;
set_mem_alias_set (mem, rs6000_sr_alias_set);
RTVEC_ELT (p, i+3) =
gen_rtx_SET (VOIDmode,

12
gcc/config/sh/sh.c
View File

@ -4224,7 +4224,8 @@ sh_builtin_saveregs ()
/* Number of SFmode float regs to save. */
int n_floatregs = MAX (0, NPARM_REGS (SFmode) - first_floatreg);
rtx regbuf, fpregs;
int bufsize, regno, alias_set;
int bufsize, regno;
HOST_WIDE_INT alias_set;
/* Allocate block of memory for the regs. */
/* ??? If n_intregs + n_floatregs == 0, should we allocate at least 1 byte?
@ -4233,7 +4234,7 @@ sh_builtin_saveregs ()
regbuf = assign_stack_local (BLKmode, bufsize, 0);
alias_set = get_varargs_alias_set ();
MEM_ALIAS_SET (regbuf) = alias_set;
set_mem_alias_set (regbuf, alias_set);
/* Save int args.
This is optimized to only save the regs that are necessary. Explicitly
@ -4264,7 +4265,7 @@ sh_builtin_saveregs ()
emit_insn (gen_addsi3 (fpregs, fpregs,
GEN_INT (-2 * UNITS_PER_WORD)));
mem = gen_rtx_MEM (DFmode, fpregs);
MEM_ALIAS_SET (mem) = alias_set;
set_mem_alias_set (mem, alias_set);
emit_move_insn (mem,
gen_rtx (REG, DFmode, BASE_ARG_REG (DFmode) + regno));
}
@ -4273,7 +4274,7 @@ sh_builtin_saveregs ()
{
emit_insn (gen_addsi3 (fpregs, fpregs, GEN_INT (- UNITS_PER_WORD)));
mem = gen_rtx_MEM (SFmode, fpregs);
MEM_ALIAS_SET (mem) = alias_set;
set_mem_alias_set (mem, alias_set);
emit_move_insn (mem,
gen_rtx (REG, SFmode, BASE_ARG_REG (SFmode) + regno
- (TARGET_LITTLE_ENDIAN != 0)));
@ -4283,9 +4284,10 @@ sh_builtin_saveregs ()
for (regno = NPARM_REGS (SFmode) - 1; regno >= first_floatreg; regno--)
{
rtx mem;
emit_insn (gen_addsi3 (fpregs, fpregs, GEN_INT (- UNITS_PER_WORD)));
mem = gen_rtx_MEM (SFmode, fpregs);
MEM_ALIAS_SET (mem) = alias_set;
set_mem_alias_set (mem, alias_set);
emit_move_insn (mem,
gen_rtx_REG (SFmode, BASE_ARG_REG (SFmode) + regno));
}

6
gcc/config/sparc/sparc.c
View File

@ -4929,10 +4929,10 @@ sparc_va_arg (valist, type)
addr_rtx = force_reg (Pmode, addr_rtx);
addr_rtx = gen_rtx_MEM (BLKmode, addr_rtx);
MEM_ALIAS_SET (addr_rtx) = get_varargs_alias_set ();
set_mem_alias_set (addr_rtx, get_varargs_alias_set ());
tmp = shallow_copy_rtx (tmp);
PUT_MODE (tmp, BLKmode);
MEM_ALIAS_SET (tmp) = 0;
set_mem_alias_set (tmp, 0);
dest_addr = emit_block_move (tmp, addr_rtx, GEN_INT (rsize),
BITS_PER_WORD);
@ -4946,7 +4946,7 @@ sparc_va_arg (valist, type)
{
addr_rtx = force_reg (Pmode, addr_rtx);
addr_rtx = gen_rtx_MEM (Pmode, addr_rtx);
MEM_ALIAS_SET (addr_rtx) = get_varargs_alias_set ();
set_mem_alias_set (addr_rtx, get_varargs_alias_set ());
}
return addr_rtx;

2
gcc/config/v850/v850.c
View File

@ -2791,7 +2791,7 @@ v850_va_arg (valist, type)
{
addr_rtx = force_reg (Pmode, addr_rtx);
addr_rtx = gen_rtx_MEM (Pmode, addr_rtx);
MEM_ALIAS_SET (addr_rtx) = get_varargs_alias_set ();
set_mem_alias_set (addr_rtx, get_varargs_alias_set ());
}
return addr_rtx;

2
gcc/explow.c
View File

@ -661,7 +661,7 @@ set_mem_attributes (ref, t, objectp)
here, because, in C and C++, the fact that a location is accessed
through a const expression does not mean that the value there can
never change. */
MEM_ALIAS_SET (ref) = get_alias_set (t);
set_mem_alias_set (ref, get_alias_set (t));
MEM_VOLATILE_P (ref) = TYPE_VOLATILE (type);
MEM_IN_STRUCT_P (ref) = AGGREGATE_TYPE_P (type);

19
gcc/expr.c
View File

@ -3181,7 +3181,7 @@ emit_single_push_insn (mode, x, type)
outgoing arguments and we cannot allow reordering of reads
from function arguments with stores to outgoing arguments
of sibling calls. */
MEM_ALIAS_SET (dest) = 0;
set_mem_alias_set (dest, 0);
}
emit_move_insn (dest, x);
#else
@ -3399,7 +3399,7 @@ emit_push_insn (x, mode, type, size, align, partial, reg, extra,
outgoing arguments and we cannot allow reordering of reads
from function arguments with stores to outgoing arguments
of sibling calls. */
MEM_ALIAS_SET (target) = 0;
set_mem_alias_set (target, 0);
}
/* TEMP is the address of the block. Copy the data there. */
@ -3582,7 +3582,7 @@ emit_push_insn (x, mode, type, size, align, partial, reg, extra,
outgoing arguments and we cannot allow reordering of reads
from function arguments with stores to outgoing arguments
of sibling calls. */
MEM_ALIAS_SET (dest) = 0;
set_mem_alias_set (dest, 0);
}
emit_move_insn (dest, x);
@ -3906,7 +3906,7 @@ expand_assignment (to, from, want_value, suggest_reg)
{
to_rtx = expand_expr (to, NULL_RTX, VOIDmode, EXPAND_MEMORY_USE_WO);
if (GET_CODE (to_rtx) == MEM)
MEM_ALIAS_SET (to_rtx) = get_alias_set (to);
set_mem_alias_set (to_rtx, get_alias_set (to));
}
/* Don't move directly into a return register. */
@ -4478,7 +4478,7 @@ store_constructor_field (target, bitsize, bitpos,
if (bitpos != 0)
align = MIN (align, (unsigned int) bitpos & - bitpos);
if (GET_CODE (target) == MEM)
MEM_ALIAS_SET (target) = alias_set;
set_mem_alias_set (target, alias_set);
store_constructor (exp, target, align, cleared, bitsize / BITS_PER_UNIT);
}
@ -5334,10 +5334,9 @@ store_field (target, bitsize, bitpos, mode, exp, value_mode,
at the same location. We will give the structures alias set
zero; here we must be careful not to give non-zero alias sets
to their fields. */
if (!rtx_varies_p (addr, /*for_alias=*/0))
MEM_ALIAS_SET (to_rtx) = alias_set;
else
MEM_ALIAS_SET (to_rtx) = 0;
set_mem_alias_set (to_rtx,
rtx_varies_p (addr, /*for_alias=*/0)
? 0 : alias_set);
return store_expr (exp, to_rtx, value_mode != VOIDmode);
}
@ -9141,7 +9140,7 @@ expand_expr_unaligned (exp, palign)
/* Get a reference to just this component. */
op0 = adjust_address (op0, mode1, bitpos / BITS_PER_UNIT);
MEM_ALIAS_SET (op0) = get_alias_set (exp);
set_mem_alias_set (op0, get_alias_set (exp));
/* Adjust the alignment in case the bit position is not
a multiple of the alignment of the inner object. */

11
gcc/function.c
View File

@ -808,10 +808,7 @@ assign_stack_temp_for_type (mode, size, keep, type)
/* If we know the alias set for the memory that will be used, use
it. If there's no TYPE, then we don't know anything about the
alias set for the memory. */
if (type)
MEM_ALIAS_SET (p->slot) = get_alias_set (type);
else
MEM_ALIAS_SET (p->slot) = 0;
set_mem_alias_set (p->slot, type ? get_alias_set (type) : 0);
/* If a type is specified, set the relevant flags. */
if (type != 0)
@ -1499,7 +1496,7 @@ put_reg_into_stack (function, reg, type, promoted_mode, decl_mode, volatile_p,
{
MEM_SET_IN_STRUCT_P (reg,
AGGREGATE_TYPE_P (type) || MEM_IN_STRUCT_P (new));
MEM_ALIAS_SET (reg) = get_alias_set (type);
set_mem_alias_set (reg, get_alias_set (type));
}
if (used_p)
schedule_fixup_var_refs (function, reg, type, promoted_mode, ht);
@ -2876,7 +2873,7 @@ gen_mem_addressof (reg, decl)
PUT_MODE (reg, decl_mode);
MEM_VOLATILE_P (reg) = TREE_SIDE_EFFECTS (decl);
MEM_SET_IN_STRUCT_P (reg, AGGREGATE_TYPE_P (type));
MEM_ALIAS_SET (reg) = get_alias_set (decl);
set_mem_alias_set (reg, get_alias_set (decl));
if (TREE_USED (decl) || DECL_INITIAL (decl) != 0)
fixup_var_refs (reg, GET_MODE (reg), TREE_UNSIGNED (type), 0);
@ -2884,7 +2881,7 @@ gen_mem_addressof (reg, decl)
else
{
/* We have no alias information about this newly created MEM. */
MEM_ALIAS_SET (reg) = 0;
set_mem_alias_set (reg, 0);
fixup_var_refs (reg, GET_MODE (reg), 0, 0);
}

2
gcc/ifcvt.c
View File

@ -1098,7 +1098,7 @@ noce_try_cmove_arith (if_info)
if (MEM_SCALAR_P (if_info->a) && MEM_SCALAR_P (if_info->b))
MEM_SCALAR_P (tmp) = 1;
if (MEM_ALIAS_SET (if_info->a) == MEM_ALIAS_SET (if_info->b))
MEM_ALIAS_SET (tmp) = MEM_ALIAS_SET (if_info->a);
set_mem_alias_set (tmp, MEM_ALIAS_SET (if_info->a));
noce_emit_move_insn (if_info->x, tmp);
}

8
gcc/reload1.c
View File

@ -1157,7 +1157,7 @@ reload (first, global)
MEM_SCALAR_P (reg) = is_scalar;
/* We have no alias information about this newly created
MEM. */
MEM_ALIAS_SET (reg) = 0;
set_mem_alias_set (reg, 0);
}
else if (reg_equiv_mem[i])
XEXP (reg_equiv_mem[i], 0) = addr;
@ -1988,7 +1988,7 @@ alter_reg (i, from_reg)
RTX_UNCHANGING_P (x) = RTX_UNCHANGING_P (regno_reg_rtx[i]);
/* Nothing can alias this slot except this pseudo. */
MEM_ALIAS_SET (x) = new_alias_set ();
set_mem_alias_set (x, new_alias_set ());
}
/* Reuse a stack slot if possible. */
@ -2022,9 +2022,9 @@ alter_reg (i, from_reg)
/* All pseudos mapped to this slot can alias each other. */
if (spill_stack_slot[from_reg])
MEM_ALIAS_SET (x) = MEM_ALIAS_SET (spill_stack_slot[from_reg]);
set_mem_alias_set (x, MEM_ALIAS_SET (spill_stack_slot[from_reg]));
else
MEM_ALIAS_SET (x) = new_alias_set ();
set_mem_alias_set (x, new_alias_set ());
if (BYTES_BIG_ENDIAN)
{

1
gcc/rtl.h
View File

@ -2004,6 +2004,7 @@ extern void init_alias_once PARAMS ((void));
extern void init_alias_analysis PARAMS ((void));
extern void end_alias_analysis PARAMS ((void));
extern rtx addr_side_effect_eval PARAMS ((rtx, int, int));
extern void set_mem_alias_set PARAMS ((rtx, HOST_WIDE_INT));
/* In sibcall.c */
typedef enum {