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authorRichard Kenner <kenner@vlsi1.ultra.nyu.edu>2000-05-04 13:49:50 +0000
committerRichard Kenner <kenner@gcc.gnu.org>2000-05-04 09:49:50 -0400
commitbf49b1396b843c126db4f8e97326f0138ff9a2d3 (patch)
treeecad7aa7b8512c49c56eb75cc4f3a6297327ec20 /gcc/function.c
parent5b8714bfa9c437674e8881def75401fe069d964d (diff)
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rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and MEM_ALIAS_SET.
* rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and MEM_ALIAS_SET. * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET when calling MEM_COPY_ATTRIBUTES. * emit-rtl.c (operand_subword, change_address): Likewise. * explow.c (stabilize): Likewise. * expr.c (protect_from_queue, emit_move_insn_1): Likewise. * integrate.c (copy_rtx_and_substitute): Likewise. * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P when calling MEM_COPY_ATTRIBUTES. (make_extraction, simplify_shift_const, gen_lowpart_for_combine): Likewise. * cse.c (gen_lowpart_if_possible): Likewise. * function.c (fixup_var_refs_1, purge_addressof_1): Likewise. * optabs.c (gen_move_insn): Likewise. * recog.c (validate_replace_rtx_1): Likewise. * simplify-rtx.c (add_mem_for_addr): Likewise. * stmt.c (expand_anon_union_decl): Likewise. * config/arm/arm.md: Likewise. * config/h8300/h7300.c (fix_bit_operand): Likewise. * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise. (block_move_no_loop, block_move_sequence): Likewise. * config/rs6000/rs6000.c (expand_block_move_mem): Likewise. * config/alpha/alpha.c (get_aligned_mem): Likewise. Clear MEM_ALIAS_SET. * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling MEM_COPY_ATTRIBUTES. From-SVN: r33665
Diffstat (limited to 'gcc/function.c')
-rw-r--r--gcc/function.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/gcc/function.c b/gcc/function.c
index 756f5fc..6815ab8 100644
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -2046,7 +2046,6 @@ fixup_var_refs_1 (var, promoted_mode, loc, insn, replacements)
newmem = gen_rtx_MEM (wanted_mode,
plus_constant (XEXP (tem, 0), offset));
- RTX_UNCHANGING_P (newmem) = RTX_UNCHANGING_P (tem);
MEM_COPY_ATTRIBUTES (newmem, tem);
/* Make the change and see if the insn remains valid. */
@@ -2238,7 +2237,6 @@ fixup_var_refs_1 (var, promoted_mode, loc, insn, replacements)
newmem = gen_rtx_MEM (wanted_mode,
plus_constant (XEXP (tem, 0),
offset));
- RTX_UNCHANGING_P (newmem) = RTX_UNCHANGING_P (tem);
MEM_COPY_ATTRIBUTES (newmem, tem);
/* Make the change and see if the insn remains valid. */
@@ -2928,7 +2926,6 @@ purge_addressof_1 (loc, insn, force, store, ht)
{
sub2 = gen_rtx_MEM (GET_MODE (x), copy_rtx (XEXP (sub, 0)));
MEM_COPY_ATTRIBUTES (sub2, sub);
- RTX_UNCHANGING_P (sub2) = RTX_UNCHANGING_P (sub);
sub = sub2;
}
else if (GET_CODE (sub) == REG