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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
This commit is contained in:
Jakub Jelinek 2012-02-13 20:57:24 +01:00 committed by Jakub Jelinek
parent a905672b22
commit 9abd5ed90b
2 changed files with 11 additions and 1 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2012-02-13 Jakub Jelinek <jakub@redhat.com>
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.
2012-02-13 Andrew MacLeod <amacleod@redhat.com>
PR c/52190

5
gcc/omp-low.c
View File

@ -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;