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| author | Jan Hubicka <hubicka@ucw.cz> | 2017-01-06 17:10:09 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2017-01-06 16:10:09 +0000 |
| commit | 350de209bfd0c368ce590f89f59d8950e4bc29b4 (patch) | |
| tree | 2020de3672e60c9c0419dd8af6df627911d53051 /gcc/predict.c | |
| parent | 12e917fff2800a4bfd591d09675b21e71ae8bc75 (diff) | |
| download | gcc-350de209bfd0c368ce590f89f59d8950e4bc29b4.zip gcc-350de209bfd0c368ce590f89f59d8950e4bc29b4.tar.gz gcc-350de209bfd0c368ce590f89f59d8950e4bc29b4.tar.bz2 | |
re PR middle-end/77484 (Static branch predictor causes ~6-8% regression of SPEC2000 GAP)
PR middle-end/77484
* predict.def (PRED_POLYMORPHIC_CALL): Set to 58
* predict.c (tree_estimate_probability_bb): Reverse direction of
polymorphic call predictor.
From-SVN: r244167
Diffstat (limited to 'gcc/predict.c')
| -rw-r--r-- | gcc/predict.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/predict.c b/gcc/predict.c index f851e14..fa4e626 100644 --- a/gcc/predict.c +++ b/gcc/predict.c @@ -2789,7 +2789,7 @@ tree_estimate_probability_bb (basic_block bb) if (gimple_call_fndecl (stmt)) predict_edge_def (e, PRED_CALL, NOT_TAKEN); else if (virtual_method_call_p (gimple_call_fn (stmt))) - predict_edge_def (e, PRED_POLYMORPHIC_CALL, TAKEN); + predict_edge_def (e, PRED_POLYMORPHIC_CALL, NOT_TAKEN); else predict_edge_def (e, PRED_INDIR_CALL, TAKEN); break; |