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| author | Steve Ellcey <sje@cup.hp.com> | 2007-07-26 17:11:24 +0000 |
|---|---|---|
| committer | Steve Ellcey <sje@gcc.gnu.org> | 2007-07-26 17:11:24 +0000 |
| commit | 87621e5f0fa6c55652477118bc6e69f84b9bf6b3 (patch) | |
| tree | db965df7fd3d149760c76ec331c065231eb5f012 /gcc | |
| parent | b617fc71010a3806aa03dfc3bb5cf581b2b9d95c (diff) | |
| download | gcc-87621e5f0fa6c55652477118bc6e69f84b9bf6b3.zip gcc-87621e5f0fa6c55652477118bc6e69f84b9bf6b3.tar.gz gcc-87621e5f0fa6c55652477118bc6e69f84b9bf6b3.tar.bz2 | |
re PR tree-optimization/32087 (ICE with FORTRAN and -fprefetch-loop-arrays)
PR tree-optimization/32087
* tree-ssa-loop-manip.c (tree_transform_and_unroll_loop):
Do not call scale_bbs_frequencies_int with prob of zero.
From-SVN: r126959
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-ssa-loop-manip.c | 5 |
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 017187c..7a82b3a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2007-07-26 Steve Ellcey <sje@cup.hp.com> + + PR tree-optimization/32087 + * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): + Do not call scale_bbs_frequencies_int with prob of zero. + 2007-07-26 Julian Brown <julian@codesourcery.com> * config/arm/arm-protos.h (neon_lane_bounds, neon_const_bounds) diff --git a/gcc/tree-ssa-loop-manip.c b/gcc/tree-ssa-loop-manip.c index 4618ee4..6faac9b 100644 --- a/gcc/tree-ssa-loop-manip.c +++ b/gcc/tree-ssa-loop-manip.c @@ -1035,8 +1035,9 @@ tree_transform_and_unroll_loop (struct loop *loop, unsigned factor, new_nonexit->count = exit_bb->count - new_exit->count; if (new_nonexit->count < 0) new_nonexit->count = 0; - scale_bbs_frequencies_int (&loop->latch, 1, new_nonexit->probability, - prob); + if (prob > 0) + scale_bbs_frequencies_int (&loop->latch, 1, new_nonexit->probability, + prob); /* Finally create the new counter for number of iterations and add the new exit instruction. */ |