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re PR tree-optimization/32087 (ICE with FORTRAN and -fprefetch-loop-arrays)

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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
This commit is contained in:
Steve Ellcey 2007-07-26 17:11:24 +00:00 committed by Steve Ellcey
parent b617fc7101
commit 87621e5f0f
2 changed files with 9 additions and 2 deletions

6
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)

5
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. */