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| author | Richard Kenner <kenner@vlsi1.ultra.nyu.edu> | 2000-05-04 13:49:50 +0000 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 2000-05-04 09:49:50 -0400 |
| commit | bf49b1396b843c126db4f8e97326f0138ff9a2d3 (patch) | |
| tree | ecad7aa7b8512c49c56eb75cc4f3a6297327ec20 /gcc/rtl.h | |
| parent | 5b8714bfa9c437674e8881def75401fe069d964d (diff) | |
| download | gcc-bf49b1396b843c126db4f8e97326f0138ff9a2d3.zip gcc-bf49b1396b843c126db4f8e97326f0138ff9a2d3.tar.gz gcc-bf49b1396b843c126db4f8e97326f0138ff9a2d3.tar.bz2 | |
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/rtl.h')
| -rw-r--r-- | gcc/rtl.h | 7 |
1 files changed, 4 insertions, 3 deletions
@@ -760,12 +760,13 @@ extern const char * const note_insn_name[NOTE_INSN_MAX - NOTE_INSN_BIAS]; not refer to a scalar.*/ #define MEM_SCALAR_P(RTX) ((RTX)->frame_related) -/* Copy the MEM_VOLATILE_P, MEM_IN_STRUCT_P, and MEM_SCALAR_P - attributes from RHS to LHS. */ +/* Copy the attributes that apply to memory locations from RHS to LHS. */ #define MEM_COPY_ATTRIBUTES(LHS, RHS) \ (MEM_VOLATILE_P (LHS) = MEM_VOLATILE_P (RHS), \ MEM_IN_STRUCT_P (LHS) = MEM_IN_STRUCT_P (RHS), \ - MEM_SCALAR_P (LHS) = MEM_SCALAR_P (RHS)) + MEM_SCALAR_P (LHS) = MEM_SCALAR_P (RHS), \ + MEM_ALIAS_SET (LHS) = MEM_ALIAS_SET (RHS), \ + RTX_UNCHANGING_P (LHS) = RTX_UNCHANGING_P (RHS)) /* If VAL is non-zero, set MEM_IN_STRUCT_P and clear MEM_SCALAR_P in RTX. Otherwise, vice versa. Use this macro only when you are |