42 lines
1.2 KiB
Diff
42 lines
1.2 KiB
Diff
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2019-09-27 Jakub Jelinek <jakub@redhat.com>
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PR middle-end/91920
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* gimplify.c (omp_default_clause): Predetermine DECL_IN_CONSTANT_POOL
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variables as shared.
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* c-c++-common/gomp/pr91920.c: New test.
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--- a/gcc/gimplify.c.jj 2019-09-20 12:25:46.829408105 +0200
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+++ b/gcc/gimplify.c 2019-09-27 11:52:17.458446652 +0200
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@@ -7132,6 +7132,8 @@ omp_default_clause (struct gimplify_omp_
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kind = lang_hooks.decls.omp_predetermined_sharing (decl);
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if (kind != OMP_CLAUSE_DEFAULT_UNSPECIFIED)
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default_kind = kind;
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+ else if (VAR_P (decl) && TREE_STATIC (decl) && DECL_IN_CONSTANT_POOL (decl))
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+ default_kind = OMP_CLAUSE_DEFAULT_SHARED;
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switch (default_kind)
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{
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--- a/gcc/testsuite/c-c++-common/gomp/pr91920.c.jj 2019-09-27 11:57:26.066813061 +0200
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+++ b/gcc/testsuite/c-c++-common/gomp/pr91920.c 2019-09-27 11:57:08.931070237 +0200
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@@ -0,0 +1,19 @@
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+/* PR middle-end/91920 */
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+
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+void bar (float *);
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+
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+void
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+foo (void)
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+{
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+ int i;
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+ float f[3] = { 0.0f, 0.0f, 0.0f };
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+#pragma omp parallel for default(none) reduction(+:f[:3])
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+ for (i = 0; i < 1000; i++)
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+ {
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+ int j;
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+ float k[3] = { 0.25f, 0.5f, 0.75f };
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+ for (j = 0; j < 3; j++)
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+ f[j] += k[j];
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+ }
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+ bar (f);
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+}
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