diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vpmulhrsw-2.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vpmulhrsw-2.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vpmulhrsw-2.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vpmulhrsw-2.c new file mode 100644 index 000000000..c6d874222 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vpmulhrsw-2.c @@ -0,0 +1,46 @@ +/* { dg-do run } */ +/* { dg-options "-mavx2 -O2" } */ +/* { dg-require-effective-target avx2 } */ + +#include "avx2-check.h" + +static void +compute_pmulhrsw256 (short *s1, short *s2, short *r) +{ + int i; + int t0; + + for (i = 0; i < 16; i++) + { + t0 = (((int) s1[i] * (int) s2[i]) >> 14) + 1; + r[i] = (short) (t0 >> 1); + } +} + +static void +avx2_test (void) +{ + union256i_w s1, s2, res; + short res_ref[16]; + int i, j, sign = 1; + int fail = 0; + + for (i = 0; i < 10; i++) + { + for (j = 0; j < 16; j++) + { + s1.a[j] = i * j * sign; + s2.a[j] = (j + 20) * sign; + sign = -sign; + } + + res.x = _mm256_mulhrs_epi16 (s1.x, s2.x); + + compute_pmulhrsw256 (s1.a, s2.a, res_ref); + + fail += check_union256i_w (res, res_ref); + } + + if (fail != 0) + abort (); +} |