aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vpsubsw-2.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vpsubsw-2.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vpsubsw-2.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vpsubsw-2.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vpsubsw-2.c
new file mode 100644
index 000000000..2f2fc7d60
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vpsubsw-2.c
@@ -0,0 +1,36 @@
+/* { dg-do run } */
+/* { dg-options "-mavx2 -O2" } */
+/* { dg-require-effective-target avx2 } */
+
+#include "avx2-check.h"
+
+void static
+avx2_test (void)
+{
+ union256i_w u, s1, s2;
+ short e[16];
+ int i, tmp;
+
+ s1.x = _mm256_set_epi16 (1, 2, 3, 4, 10, 20, 30, 90, -80,
+ -40, -100, -15, 98, 25, 98, 7);
+
+ s2.x = _mm256_set_epi16 (88, 44, 33, 22, 11, 98, 76, -100,
+ -34, -78, -39, 6, 3, 4, 5, 119);
+
+ u.x = _mm256_subs_epi16 (s1.x, s2.x);
+
+ for (i = 0; i < 16; i++)
+ {
+ tmp = s1.a[i] - s2.a[i];
+
+ if (tmp > 32767)
+ tmp = 32767;
+ if (tmp < -32768)
+ tmp = -32768;
+
+ e[i] = tmp;
+ }
+
+ if (check_union256i_w (u, e))
+ abort ();
+}