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| author | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-08-28 20:12:57 +0000 |
|---|---|---|
| committer | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-08-28 20:12:57 +0000 |
| commit | 533af0dbea0eb67867ded648483c9c640a575f0b (patch) | |
| tree | 8c6d11ca056bf4f2369b1efc79b5526d46a6430d /gcc/expmed.c | |
| parent | 5992d16a364e0b462e716b06504ae7b30bdc5696 (diff) | |
| download | gcc-533af0dbea0eb67867ded648483c9c640a575f0b.tar.gz | |
* expmed.c (store_bit_field_1): Be prepared for movstrict expander to fail.
* predict.c (always_optimize_for_size_p): Rename to ...
(optimize_function_for_size): ... this one; make extern.
(optimize_function_for_speed_p): New.
(optimize_bb_for_size_p, optimize_bb_for_size_p,
optimize_edge_for_size_p,optimize_edge_for_size_p,
optimize_insn_for_size_p, optimize_insn_for_size_p): Update.
* basic-block.h (optimize_function_for_size_p,
optimize_function_for_speed_p): Declare.
* i386.md (optimize_size checks): Replace them by appropriate predicate.
(standard_80387_constant_p, ix86_compute_frame_layout,
ix86_expand_epilogue, ix86_decompose_address,
print_operand, emit_i387_cw_initialization,
inline_memory_move_cost, ix86_pad_returns,
ix86_reorg): Replace optimize_size checks.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@139737 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/expmed.c')
| -rw-r--r-- | gcc/expmed.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/gcc/expmed.c b/gcc/expmed.c index b102241dbb1..8212992d10d 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -521,6 +521,8 @@ store_bit_field_1 (rtx str_rtx, unsigned HOST_WIDE_INT bitsize, != CODE_FOR_nothing)) { int icode = optab_handler (movstrict_optab, fieldmode)->insn_code; + rtx insn; + rtx start = get_last_insn (); /* Get appropriate low part of the value being stored. */ if (GET_CODE (value) == CONST_INT || REG_P (value)) @@ -544,13 +546,17 @@ store_bit_field_1 (rtx str_rtx, unsigned HOST_WIDE_INT bitsize, op0 = SUBREG_REG (op0); } - emit_insn (GEN_FCN (icode) + insn = (GEN_FCN (icode) (gen_rtx_SUBREG (fieldmode, op0, (bitnum % BITS_PER_WORD) / BITS_PER_UNIT + (offset * UNITS_PER_WORD)), value)); - - return true; + if (insn) + { + emit_insn (insn); + return true; + } + delete_insns_since (start); } /* Handle fields bigger than a word. */ |