diff options
| author | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-02-22 00:32:09 +0000 |
|---|---|---|
| committer | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-02-22 00:32:09 +0000 |
| commit | b28bedce63a717bfc8bcf48f33683e052f73d58d (patch) | |
| tree | a266b0a843d5fff9a87b5ef6845e62d66c3338ba /gcc/stmt.c | |
| parent | 5fdbf09cb88c24ffae1aa6a6fc20288d16945bd9 (diff) | |
| download | ppe42-gcc-b28bedce63a717bfc8bcf48f33683e052f73d58d.tar.gz ppe42-gcc-b28bedce63a717bfc8bcf48f33683e052f73d58d.zip | |
* i386.c (builtin_description): Add __builtin_ia32_paddq and
__builtin_ia32_psubq. Fix __builtin_ia32_paddq128
and __builtin_ia32_psubq128.
* i386.h (IX86_BUILTIN_PADDQ, IX86_BUILTIN_PSUBQ): New.
* i386.md (addv*, mmx_ior*, mmx_xoe*, mmx_and*): Add missing '%'.
(mmx_adddi3, mmx_subdi3): New.
* mmintrin.h (_mm_add_si64, _mm_sub_si64): New.
* xmmintrin.h (_mm_movepi64_pi64): New.
(_mm_add_epi64, _mm_sub_epi64): fix.
(_mm_mul_pu16): Rename to...
(_mm_mul_su32): ... this one.
* builtins.c (expand_builtin_expect): Do not predict
flag_guess_branch_prob is not set.
* c-semantics.c (expand_stmt): Likewise.
* predict.c (predict_insn): Likewise.
* stmt.c (expand_continue_loop): Likewise.
* toplev.c (rest_of_compilation): Do not call
note_prediction_to_br_prob and note_prediction_to_br_prob
when not optimizing.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@63263 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/stmt.c')
| -rw-r--r-- | gcc/stmt.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/gcc/stmt.c b/gcc/stmt.c index bc7cc28a7c1..e4789a79694 100644 --- a/gcc/stmt.c +++ b/gcc/stmt.c @@ -2781,8 +2781,11 @@ expand_continue_loop (whichloop) /* Emit information for branch prediction. */ rtx note; - note = emit_note (NULL, NOTE_INSN_PREDICTION); - NOTE_PREDICTION (note) = NOTE_PREDICT (PRED_CONTINUE, IS_TAKEN); + if (flag_guess_branch_prob) + { + note = emit_note (NULL, NOTE_INSN_PREDICTION); + NOTE_PREDICTION (note) = NOTE_PREDICT (PRED_CONTINUE, IS_TAKEN); + } clear_last_expr (); if (whichloop == 0) whichloop = loop_stack; @@ -2974,7 +2977,8 @@ expand_value_return (val) rtx return_reg; enum br_predictor pred; - if ((pred = return_prediction (val)) != PRED_NO_PREDICTION) + if (flag_guess_branch_prob + && (pred = return_prediction (val)) != PRED_NO_PREDICTION) { /* Emit information for branch prediction. */ rtx note; |
