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| author | Roger Sayle <roger@eyesopen.com> | 2002-09-08 18:32:31 +0000 |
|---|---|---|
| committer | Roger Sayle <sayle@gcc.gnu.org> | 2002-09-08 18:32:31 +0000 |
| commit | 7df988780bd6c60725929ffea906fc2e160f94df (patch) | |
| tree | ca4fc1bb6a60377368ad40416a7ee08a4aaca40f /gcc/loop.c | |
| parent | f40f4c8ed1f8a962169c6c39a6601cd3ca8ba91d (diff) | |
| download | gcc-7df988780bd6c60725929ffea906fc2e160f94df.zip gcc-7df988780bd6c60725929ffea906fc2e160f94df.tar.gz gcc-7df988780bd6c60725929ffea906fc2e160f94df.tar.bz2 | |
re PR rtl-optimization/6405 (Loop-unrolling related performance regressions)
PR optimization/6405
* unroll.c (loop_iterations): last_loop_insn should be the previous
non-note instruction before loop->end.
* loop.c (strength_reduce): The conditional jump is the last
non-note instruction before loop->end (as above).
From-SVN: r56956
Diffstat (limited to 'gcc/loop.c')
| -rw-r--r-- | gcc/loop.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -5348,7 +5348,7 @@ strength_reduce (loop, flags) unsigned HOST_WIDE_INT n = loop_info->n_iterations / loop_info->unroll_number; if (n > 1) - predict_insn (PREV_INSN (loop->end), PRED_LOOP_ITERATIONS, + predict_insn (prev_nonnote_insn (loop->end), PRED_LOOP_ITERATIONS, REG_BR_PROB_BASE - REG_BR_PROB_BASE / n); } |