diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/i386/avx512f-i64gatherps512-2.c')
-rw-r--r-- | gcc/testsuite/gcc.target/i386/avx512f-i64gatherps512-2.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/avx512f-i64gatherps512-2.c b/gcc/testsuite/gcc.target/i386/avx512f-i64gatherps512-2.c new file mode 100644 index 00000000000..8ed0fcef409 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/avx512f-i64gatherps512-2.c @@ -0,0 +1,56 @@ +/* { dg-do run } */ +/* { dg-options "-mavx512f -O2" } */ +/* { dg-require-effective-target avx512f } */ + +#include "avx512f-check.h" + +#define SCALE 2 + +static void +compute_gatherqps (float *res, __mmask8 m8, long long *idx, + float *src, int scale, float *r) +{ + int i; + + for (i = 0; i < 8; i++) + { + if (m8 & (1 << i)) + r[i] = *(float *) (((unsigned char *) src) + idx[i] * scale); + else + r[i] = res[i]; + } +} + +static void +avx512f_test (void) +{ + int i; + union256 res; + union512i_q idx; + float src[8]; + float res_ref[8]; + __mmask8 m8 = 0xC5; + + res.x = _mm256_setzero_ps(); + + for (i = 0; i < 8; i++) + { + src[i] = 2.718281828459045 * (i + 1) * (i + 2); + + /* About to gather in reverse order, + divide by 2 to demonstrate scale */ + idx.a[i] = (32 - (i + 1) * 4) >> 1; + } + + res.x = _mm512_mask_i64gather_ps (res.x, m8, idx.x, src, SCALE); + compute_gatherqps (res.a, m8, idx.a, src, SCALE, res_ref); + + if (check_union256 (res, res_ref)) + abort (); + + res.x = _mm512_i64gather_ps (idx.x, src, SCALE); + compute_gatherqps (res.a, 0xFF, idx.a, src, SCALE, res_ref); + + if (check_union256 (res, res_ref)) + abort (); +} |