aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--gcc/ChangeLog7
-rw-r--r--gcc/omp-low.c4
-rw-r--r--gcc/testsuite/ChangeLog3
-rw-r--r--gcc/testsuite/gcc.dg/gomp/pr48591.c22
-rw-r--r--libgomp/ChangeLog5
-rw-r--r--libgomp/testsuite/libgomp.c/pr48591.c22
6 files changed, 63 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 48bccd7a48b..a1f7b2fd232 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2011-04-13 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/48591
+ * omp-low.c (expand_omp_atomic_fetch_op): Return false if decl is
+ NULL.
+ (expand_omp_atomic_pipeline): Return false if cmpxchg is NULL.
+
2011-04-13 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
Backport from mainline:
diff --git a/gcc/omp-low.c b/gcc/omp-low.c
index c3f217818bc..5b0fdff17b7 100644
--- a/gcc/omp-low.c
+++ b/gcc/omp-low.c
@@ -5005,6 +5005,8 @@ expand_omp_atomic_fetch_op (basic_block load_bb,
return false;
decl = built_in_decls[base + index + 1];
+ if (decl == NULL_TREE)
+ return false;
itype = TREE_TYPE (TREE_TYPE (decl));
if (direct_optab_handler (optab, TYPE_MODE (itype)) == CODE_FOR_nothing)
@@ -5056,6 +5058,8 @@ expand_omp_atomic_pipeline (basic_block load_bb, basic_block store_bb,
edge e;
cmpxchg = built_in_decls[BUILT_IN_VAL_COMPARE_AND_SWAP_N + index + 1];
+ if (cmpxchg == NULL_TREE)
+ return false;
type = TYPE_MAIN_VARIANT (TREE_TYPE (TREE_TYPE (addr)));
itype = TREE_TYPE (TREE_TYPE (cmpxchg));
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 5d51df81851..258ffeafd00 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,8 @@
2011-04-13 Jakub Jelinek <jakub@redhat.com>
+ PR middle-end/48591
+ * gcc.dg/gomp/pr48591.c: New test.
+
PR c++/48570
* g++.dg/cpp0x/constexpr-wstring1.C: New test.
* g++.dg/cpp0x/constexpr-wstring2.C: New test.
diff --git a/gcc/testsuite/gcc.dg/gomp/pr48591.c b/gcc/testsuite/gcc.dg/gomp/pr48591.c
new file mode 100644
index 00000000000..e6cb106d845
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/gomp/pr48591.c
@@ -0,0 +1,22 @@
+/* PR middle-end/48591 */
+/* { dg-do compile { target i?86-*-* x86_64-*-* ia64-*-* } } */
+/* { dg-options "-fopenmp" } */
+
+extern void abort (void);
+
+int
+main ()
+{
+ __float128 f = 0.0;
+ int i;
+ #pragma omp parallel for reduction(+:f)
+ for (i = 0; i < 128; i++)
+ f += 0.5Q;
+ if (f != 64.0Q)
+ abort ();
+ #pragma omp atomic
+ f += 8.5Q;
+ if (f != 72.5Q)
+ abort ();
+ return 0;
+}
diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index 3c64315572b..63b011a438a 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,8 @@
+2011-04-13 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/48591
+ * testsuite/libgomp.c/pr48591.c: New test.
+
2011-03-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
Backport from mainline:
diff --git a/libgomp/testsuite/libgomp.c/pr48591.c b/libgomp/testsuite/libgomp.c/pr48591.c
new file mode 100644
index 00000000000..18dfd7f47be
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/pr48591.c
@@ -0,0 +1,22 @@
+/* PR middle-end/48591 */
+/* { dg-do run { target i?86-*-linux* x86_64-*-linux* ia64-*-linux* } } */
+/* { dg-options "-fopenmp" } */
+
+extern void abort (void);
+
+int
+main ()
+{
+ __float128 f = 0.0;
+ int i;
+ #pragma omp parallel for reduction(+:f)
+ for (i = 0; i < 128; i++)
+ f += 0.5Q;
+ if (f != 64.0Q)
+ abort ();
+ #pragma omp atomic
+ f += 8.5Q;
+ if (f != 72.5Q)
+ abort ();
+ return 0;
+}