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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/combine.c | |
| 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/combine.c')
| -rw-r--r-- | gcc/combine.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index 46da6a7..6c14228 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -3740,7 +3740,6 @@ combine_simplify_rtx (x, op0_mode, last, in_dest) plus_constant (XEXP (inner, 0), (SUBREG_WORD (x) * UNITS_PER_WORD + endian_offset))); - RTX_UNCHANGING_P (x) = RTX_UNCHANGING_P (inner); MEM_COPY_ATTRIBUTES (x, inner); return x; } @@ -5922,7 +5921,6 @@ make_extraction (mode, inner, pos, pos_rtx, len, offset = pos / BITS_PER_UNIT; new = gen_rtx_MEM (tmode, plus_constant (XEXP (inner, 0), offset)); - RTX_UNCHANGING_P (new) = RTX_UNCHANGING_P (inner); MEM_COPY_ATTRIBUTES (new, inner); } else if (GET_CODE (inner) == REG) @@ -6147,7 +6145,7 @@ make_extraction (mode, inner, pos, pos_rtx, len, { rtx newmem = gen_rtx_MEM (wanted_inner_mode, plus_constant (XEXP (inner, 0), offset)); - RTX_UNCHANGING_P (newmem) = RTX_UNCHANGING_P (inner); + MEM_COPY_ATTRIBUTES (newmem, inner); inner = newmem; } @@ -8914,7 +8912,7 @@ simplify_shift_const (x, code, result_mode, varop, input_count) new = gen_rtx_MEM (tmode, plus_constant (XEXP (varop, 0), count / BITS_PER_UNIT)); - RTX_UNCHANGING_P (new) = RTX_UNCHANGING_P (varop); + MEM_COPY_ATTRIBUTES (new, varop); varop = gen_rtx_combine (code == ASHIFTRT ? SIGN_EXTEND : ZERO_EXTEND, mode, new); @@ -9669,7 +9667,6 @@ gen_lowpart_for_combine (mode, x) - MIN (UNITS_PER_WORD, GET_MODE_SIZE (GET_MODE (x)))); } new = gen_rtx_MEM (mode, plus_constant (XEXP (x, 0), offset)); - RTX_UNCHANGING_P (new) = RTX_UNCHANGING_P (x); MEM_COPY_ATTRIBUTES (new, x); return new; } |