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Diffstat (limited to 'gcc/tree-ssa-loop-manip.c')
| -rw-r--r-- | gcc/tree-ssa-loop-manip.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/tree-ssa-loop-manip.c b/gcc/tree-ssa-loop-manip.c index 80e91d0..bf425af 100644 --- a/gcc/tree-ssa-loop-manip.c +++ b/gcc/tree-ssa-loop-manip.c @@ -1378,7 +1378,8 @@ tree_transform_and_unroll_loop (struct loop *loop, unsigned factor, { /* Avoid dropping loop body profile counter to 0 because of zero count in loop's preheader. */ - freq_e = freq_e.force_nonzero (); + if (freq_h.nonzero_p () && !(freq_e == profile_count::zero ())) + freq_e = freq_e.force_nonzero (); scale_loop_frequencies (loop, freq_e.probability_in (freq_h)); } |