diff options
Diffstat (limited to 'gcc-4.8/gcc/testsuite/gcc.target/i386/avx2-vpsubsw-2.c')
-rw-r--r-- | gcc-4.8/gcc/testsuite/gcc.target/i386/avx2-vpsubsw-2.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/testsuite/gcc.target/i386/avx2-vpsubsw-2.c b/gcc-4.8/gcc/testsuite/gcc.target/i386/avx2-vpsubsw-2.c new file mode 100644 index 000000000..2f2fc7d60 --- /dev/null +++ b/gcc-4.8/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 (); +} |