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-rw-r--r--libgomp/testsuite/libgomp.c/examples-4/simd-4.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/libgomp/testsuite/libgomp.c/examples-4/simd-4.c b/libgomp/testsuite/libgomp.c/examples-4/simd-4.c
new file mode 100644
index 00000000000..1aa0425010d
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/examples-4/simd-4.c
@@ -0,0 +1,58 @@
+/* { dg-do run } */
+/* { dg-additional-options "-msse2" { target sse2_runtime } } */
+/* { dg-additional-options "-mavx" { target avx_runtime } } */
+
+#define N 128
+#define M 16
+#define EPS 0.0000000000000001
+#define SAFELEN 16
+
+#include <stdlib.h>
+
+void init(double *a, double *b, int n)
+{
+ int i, s = -1;
+ for ( i = 0; i < n; i++ )
+ {
+ a[i] = i*i*s;
+ b[i] = a[i];
+ s = -s;
+ }
+}
+
+void work( double *b, int n, int m )
+{
+ int i;
+ #pragma omp simd safelen(SAFELEN)
+ for (i = m; i < n; i++)
+ b[i] = b[i-m] - 1.0f;
+}
+
+void work_ref( double *b, int n, int m )
+{
+ int i;
+ for (i = m; i < n; i++)
+ b[i] = b[i-m] - 1.0f;
+}
+
+void check (double *a, double *b)
+{
+ int i;
+ for (i = 0; i < N; i++)
+ if (a[i] - b[i] > EPS || b[i] - a[i] > EPS)
+ abort ();
+}
+
+int main ()
+{
+ double b[N], b_ref[N];
+
+ init(b, b_ref, N);
+
+ work(b, N, M);
+ work(b_ref, N, M);
+
+ check(b, b_ref);
+
+ return 0;
+}