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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/i386/avx512f-i32gatherps512-2.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/avx512f-i32gatherps512-2.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx512f-i32gatherps512-2.c
new file mode 100644
index 000000000..691413ab2
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx512f-i32gatherps512-2.c
@@ -0,0 +1,56 @@
+/* { dg-do run } */
+/* { dg-options "-mavx512f -O2" } */
+/* { dg-require-effective-target avx512f } */
+
+#include "avx512f-check.h"
+
+#define SCALE 2
+
+static void
+compute_gatherdps (float *res, __mmask16 m16, int *idx,
+ float *src, int scale, float *r)
+{
+ int i;
+
+ for (i = 0; i < 16; i++)
+ {
+ if (m16 & (1 << i))
+ r[i] = *(float *) (((unsigned char *) src) + idx[i] * scale);
+ else
+ r[i] = res[i];
+ }
+}
+
+static void
+avx512f_test (void)
+{
+ int i;
+ union512 res;
+ union512i_d idx;
+ float src[16];
+ float res_ref[16];
+ __mmask16 m16 = 0xBC5D;
+
+ res.x = _mm512_setzero_ps();
+
+ for (i = 0; i < 16; i++)
+ {
+ src[i] = 2.718281828459045 * (i + 1) * (i + 2);
+
+ /* About to gather in reverse order,
+ divide by 2 to demonstrate scale */
+ idx.a[i] = (64 - (i + 1) * 4) >> 1;
+ }
+
+ res.x = _mm512_mask_i32gather_ps (res.x, m16, idx.x, src, SCALE);
+ compute_gatherdps (res.a, m16, idx.a, src, SCALE, res_ref);
+
+ if (check_union512 (res, res_ref))
+ abort ();
+
+ res.x = _mm512_i32gather_ps (idx.x, src, SCALE);
+ compute_gatherdps (res.a, 0xFFFF, idx.a, src, SCALE, res_ref);
+
+ if (check_union512 (res, res_ref))
+ abort ();
+}