diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/avx512f-i32gatherq512-2.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/i386/avx512f-i32gatherq512-2.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/avx512f-i32gatherq512-2.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx512f-i32gatherq512-2.c new file mode 100644 index 000000000..4d472faa2 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx512f-i32gatherq512-2.c @@ -0,0 +1,55 @@ +/* { dg-do run } */ +/* { dg-options "-mavx512f -O2" } */ +/* { dg-require-effective-target avx512f } */ + +#include "avx512f-check.h" + +#define SCALE 2 + +static void +compute_gatherdq (long long *res, __mmask8 m8, int *idx, + long long *src, int scale, long long *r) +{ + int i; + + for (i = 0; i < 8; i++) + { + if (m8 & (1 << i)) + r[i] = *(long long *) + (((unsigned char *) src) + idx[i] * scale); + else + r[i] = res[i]; + } +} + +static void +avx512f_test (void) +{ + int i; + union256i_d idx; + union512i_q res; + long long src[8]; + long long res_ref[8]; + __mmask8 m8 = 0xC5; + + for (i = 0; i < 8; i++) + { + src[i] = 1983 * (i + 1) * (i + 2); + + /* About to gather in reverse order, + divide by 2 to demonstrate scale */ + idx.a[i] = (64 - (i + 1) * 8) >> 1; + } + + res.x = _mm512_mask_i32gather_epi64 (res.x, m8, idx.x, src, SCALE); + compute_gatherdq (res.a, m8, idx.a, src, SCALE, res_ref); + + if (check_union512i_q (res, res_ref)) + abort (); + + res.x = _mm512_i32gather_epi64 (idx.x, src, SCALE); + compute_gatherdq (res.a, 0xFF, idx.a, src, SCALE, res_ref); + + if (check_union512i_q (res, res_ref)) + abort (); +} |