From 87621e5f0fa6c55652477118bc6e69f84b9bf6b3 Mon Sep 17 00:00:00 2001 From: Steve Ellcey Date: Thu, 26 Jul 2007 17:11:24 +0000 Subject: [PATCH] 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 --- gcc/ChangeLog | 6 ++++++ gcc/tree-ssa-loop-manip.c | 5 +++-- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 017187c3b18..7a82b3a8d51 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2007-07-26 Steve Ellcey + + 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 * 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 4618ee49062..6faac9be3bb 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. */ -- 2.11.4.GIT