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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vpblendw-2.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vpblendw-2.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vpblendw-2.c
new file mode 100644
index 000000000..0500d351e
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vpblendw-2.c
@@ -0,0 +1,54 @@
+/* { dg-do run } */
+/* { dg-options "-mavx2 -O2" } */
+/* { dg-require-effective-target avx2 } */
+
+#include "avx2-check.h"
+#include <string.h>
+
+#define NUM 20
+
+#undef MASK
+#define MASK 0xfe
+
+static void
+init_pblendw (short *src1, short *src2, int seed)
+{
+ int i, sign = 1;
+
+ for (i = 0; i < 16; i++)
+ {
+ src1[i] = (i + seed) * (i + seed) * sign;
+ src2[i] = (i + seed + 20) * sign;
+ sign = -sign;
+ }
+}
+
+static void
+calc_pblendw (short *src1, short *src2, unsigned int mask, short *dst)
+{
+ int i;
+
+ memcpy (dst, src1, 32);
+ for (i = 0; i < 16; i++)
+ if (mask & (1 << (i % 8)))
+ dst[i] = src2[i];
+}
+
+static void
+avx2_test (void)
+{
+ union256i_w src1, src2, dst;
+ short dst_ref[16];
+ int i;
+
+ for (i = 0; i < NUM; i++)
+ {
+ init_pblendw (src1.a, src2.a, i);
+
+ dst.x = _mm256_blend_epi16 (src1.x, src2.x, MASK);
+ calc_pblendw (src1.a, src2.a, MASK, dst_ref);
+
+ if (check_union256i_w (dst, dst_ref))
+ abort ();
+ }
+}