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| author | Richard Sandiford <richard.sandiford@linaro.org> | 2017-11-20 16:02:55 +0000 |
|---|---|---|
| committer | Richard Sandiford <richard.sandiford@linaro.org> | 2017-11-20 16:02:55 +0000 |
| commit | d58952aefb03632bbb5b441d5c0bd330711f0af1 (patch) | |
| tree | d046e56bfbd6a40106ae6ab96fafc954f1dfc955 /gcc/tree-ssa-sink.c | |
| parent | 648f8fc59b2cc39abd24f4c22388b346cdebcc31 (diff) | |
| parent | 50221fae802a10fafe95e61d40504a58da33e98f (diff) | |
| download | gcc-linaro-dev/sve.tar.gz | |
Merge trunk into svelinaro-dev/sve
Diffstat (limited to 'gcc/tree-ssa-sink.c')
| -rw-r--r-- | gcc/tree-ssa-sink.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/tree-ssa-sink.c b/gcc/tree-ssa-sink.c index 1c5d7dd7556..5d801d35921 100644 --- a/gcc/tree-ssa-sink.c +++ b/gcc/tree-ssa-sink.c @@ -226,8 +226,10 @@ select_best_block (basic_block early_bb, /* If BEST_BB is at the same nesting level, then require it to have significantly lower execution frequency to avoid gratutious movement. */ if (bb_loop_depth (best_bb) == bb_loop_depth (early_bb) - && best_bb->count.to_frequency (cfun) - < (early_bb->count.to_frequency (cfun) * threshold / 100.0)) + /* If result of comparsion is unknown, preffer EARLY_BB. + Thus use !(...>=..) rather than (...<...) */ + && !(best_bb->count.apply_scale (100, 1) + > (early_bb->count.apply_scale (threshold, 1)))) return best_bb; /* No better block found, so return EARLY_BB, which happens to be the |