diff options
| author | kenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-05-04 13:49:50 +0000 |
|---|---|---|
| committer | kenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-05-04 13:49:50 +0000 |
| commit | 63c906ceb9803a4ce5079a3037e86315b5a874b7 (patch) | |
| tree | ecad7aa7b8512c49c56eb75cc4f3a6297327ec20 /gcc/explow.c | |
| parent | e3ef3a8c034b548a4eaded81abe6d47c547acbc3 (diff) | |
| download | gcc-63c906ceb9803a4ce5079a3037e86315b5a874b7.tar.gz | |
* 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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@33665 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/explow.c')
| -rw-r--r-- | gcc/explow.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/gcc/explow.c b/gcc/explow.c index 0f067caf215..4d3756e5676 100644 --- a/gcc/explow.c +++ b/gcc/explow.c @@ -644,22 +644,18 @@ stabilize (x) { rtx temp = copy_all_regs (addr); rtx mem; + if (GET_CODE (temp) != REG) temp = copy_to_reg (temp); mem = gen_rtx_MEM (GET_MODE (x), temp); /* Mark returned memref with in_struct if it's in an array or - structure. Copy const and volatile from original memref. */ + structure. Copy everything else from original memref. */ - RTX_UNCHANGING_P (mem) = RTX_UNCHANGING_P (x); MEM_COPY_ATTRIBUTES (mem, x); if (GET_CODE (addr) == PLUS) MEM_SET_IN_STRUCT_P (mem, 1); - /* Since the new MEM is just like the old X, it can alias only - the things that X could. */ - MEM_ALIAS_SET (mem) = MEM_ALIAS_SET (x); - return mem; } return x; |