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-rw-r--r--gcc/testsuite/gcc.target/i386/avx2-i32gatherps-2.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/avx2-i32gatherps-2.c b/gcc/testsuite/gcc.target/i386/avx2-i32gatherps-2.c
new file mode 100644
index 00000000000..1174ddad516
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx2-i32gatherps-2.c
@@ -0,0 +1,41 @@
+/* { dg-do run } */
+/* { dg-require-effective-target avx2 } */
+/* { dg-options "-O2 -mavx2" } */
+
+#include <string.h>
+#include "avx2-check.h"
+
+static void
+compute_i32gatherps (float *s1, int *s2, int scale, float *r)
+{
+ int i;
+
+ for (i = 0; i < 4; ++i)
+ r[i] = *(float *) (((unsigned char *) s1) + s2[i] * scale);
+}
+
+void static
+avx2_test (void)
+{
+ int i;
+ union128i_d idx;
+ union128 res;
+ float s1[4], res_ref[4] = { 0 };
+
+ for (i = 0; i < 4; ++i)
+ {
+ /* Set some stuff */
+ s1[i] = 2.718281828459045 * (i + 1) * (i + 2);
+
+ /* About to gather in reverse order,
+ divide by 2 to demonstrate scale */
+ idx.a[i] = (16 - (i + 1) * 4) >> 1;
+ }
+
+ res.x = _mm_i32gather_ps (s1, idx.x, 2);
+
+ compute_i32gatherps (s1, idx.a, 2, res_ref);
+
+ if (check_union128 (res, res_ref) != 0)
+ abort ();
+}