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authorJakub Jelinek <jakub@redhat.com>2012-02-13 20:57:24 +0100
committerJakub Jelinek <jakub@gcc.gnu.org>2012-02-13 20:57:24 +0100
commit9abd5ed90b85306b6cfea640c9e01e486bbcddb1 (patch)
treeb71a0bc11fe8a3e8f3698eb3255d3403deec905e /gcc/omp-low.c
parenta905672b22cd3958a91f41e0ec2925bffbba6070 (diff)
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re PR middle-end/52230 (OpenMP: Simple C program triggers SIGSEGV at execution)
PR middle-end/52230 * omp-low.c (expand_omp_for): If a static schedule without chunk size has NULL region->cont, force fd.chunk_size to be integer_zero_node. From-SVN: r184165
Diffstat (limited to 'gcc/omp-low.c')
-rw-r--r--gcc/omp-low.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/omp-low.c b/gcc/omp-low.c
index 8ab689d..db71594 100644
--- a/gcc/omp-low.c
+++ b/gcc/omp-low.c
@@ -3,7 +3,7 @@
marshalling to implement data sharing and copying clauses.
Contributed by Diego Novillo <dnovillo@redhat.com>
- Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011
+ Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Free Software Foundation, Inc.
This file is part of GCC.
@@ -4664,6 +4664,9 @@ expand_omp_for (struct omp_region *region)
{
int fn_index, start_ix, next_ix;
+ if (fd.chunk_size == NULL
+ && fd.sched_kind == OMP_CLAUSE_SCHEDULE_STATIC)
+ fd.chunk_size = integer_zero_node;
gcc_assert (fd.sched_kind != OMP_CLAUSE_SCHEDULE_AUTO);
fn_index = (fd.sched_kind == OMP_CLAUSE_SCHEDULE_RUNTIME)
? 3 : fd.sched_kind;