diff options
Diffstat (limited to 'gcc/predict.c')
| -rw-r--r-- | gcc/predict.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/gcc/predict.c b/gcc/predict.c index 2909117..e6a4095 100644 --- a/gcc/predict.c +++ b/gcc/predict.c @@ -2000,11 +2000,12 @@ tree_predict_by_opcode (basic_block bb) BITMAP_FREE (visited); if (val) { + int percent = PARAM_VALUE (BUILTIN_EXPECT_PROBABILITY); + + gcc_assert (percent >= 0 && percent <= 100); if (integer_zerop (val)) - predict_edge_def (then_edge, PRED_BUILTIN_EXPECT, NOT_TAKEN); - else - predict_edge_def (then_edge, PRED_BUILTIN_EXPECT, TAKEN); - return; + percent = 100 - percent; + predict_edge (then_edge, PRED_BUILTIN_EXPECT, HITRATE (percent)); } /* Try "pointer heuristic." A comparison ptr == 0 is predicted as false. |