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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-i32gatherps256-4.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-i32gatherps256-4.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-i32gatherps256-4.c
new file mode 100644
index 000000000..07c2abacb
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-i32gatherps256-4.c
@@ -0,0 +1,51 @@
+/* { dg-do run } */
+/* { dg-require-effective-target avx2 } */
+/* { dg-options "-O2 -mavx2" } */
+
+#include <string.h>
+#include "avx2-check.h"
+
+static void
+compute_i32gatherps256 (float *src,
+ float *s1, int *s2, float *mask, int scale, float *r)
+{
+ int i;
+
+ for (i = 0; i < 8; ++i)
+ if ((((int *) mask)[i] >> 31) & 1)
+ r[i] = *(float *) (((unsigned char *) s1) + s2[i] * scale);
+ else
+ r[i] = src[i];
+}
+
+void static
+avx2_test (void)
+{
+ int i;
+ union256i_d idx;
+ union256 res, src, mask;
+ float s1[8], res_ref[8] = { 0 };
+
+ for (i = 0; i < 8; ++i)
+ {
+ /* Set some stuff */
+ s1[i] = 2.718281828459045 * (i + 1) * (i + 2);
+
+ /* Set src as something different from s1 */
+ src.a[i] = -s1[i];
+
+ /* Mask out evens */
+ ((int *) mask.a)[i] = i % 2 ? 0 : -1;
+
+ /* About to gather in reverse order,
+ divide by 2 to demonstrate scale */
+ idx.a[i] = (32 - (i + 1) * 4) >> 1;
+ }
+
+ res.x = _mm256_mask_i32gather_ps (src.x, s1, idx.x, mask.x, 2);
+
+ compute_i32gatherps256 (src.a, s1, idx.a, mask.a, 2, res_ref);
+
+ if (check_union256 (res, res_ref) != 0)
+ abort ();
+}