diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/i386/avx512f-i32gatherd512-2.c')
-rw-r--r-- | gcc/testsuite/gcc.target/i386/avx512f-i32gatherd512-2.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/avx512f-i32gatherd512-2.c b/gcc/testsuite/gcc.target/i386/avx512f-i32gatherd512-2.c new file mode 100644 index 00000000000..d89ef048d82 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/avx512f-i32gatherd512-2.c @@ -0,0 +1,53 @@ +/* { dg-do run } */ +/* { dg-options "-mavx512f -O2" } */ +/* { dg-require-effective-target avx512f } */ + +#include "avx512f-check.h" + +#define SCALE 2 + +static void +compute_gatherdd (int *res, __mmask16 m16, int *idx, + int *src, int scale, int *r) +{ + int i; + + for (i = 0; i < 16; i++) + { + if (m16 & (1 << i)) + r[i] = *(int *) (((unsigned char *) src) + idx[i] * scale); + else + r[i] = res[i]; + } +} + +static void +avx512f_test (void) +{ + int i; + union512i_d idx, res; + int src[16]; + int res_ref[16]; + __mmask16 m16 = 0xBC5D; + + for (i = 0; i < 16; i++) + { + src[i] = 1973 * (i + 1) * (i + 2); + + /* About to gather in reverse order, + divide by 2 to demonstrate scale */ + idx.a[i] = (64 - (i + 1) * 4) >> 1; + } + + res.x = _mm512_mask_i32gather_epi32 (res.x, m16, idx.x, src, SCALE); + compute_gatherdd (res.a, m16, idx.a, src, SCALE, res_ref); + + if (check_union512i_d (res, res_ref)) + abort (); + + res.x = _mm512_i32gather_epi32 (idx.x, src, SCALE); + compute_gatherdd (res.a, 0xFFFF, idx.a, src, SCALE, res_ref); + + if (check_union512i_d (res, res_ref)) + abort (); +} |