diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/avx512f-i32scatterd512-2.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/i386/avx512f-i32scatterd512-2.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/avx512f-i32scatterd512-2.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx512f-i32scatterd512-2.c new file mode 100644 index 000000000..569690021 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx512f-i32scatterd512-2.c @@ -0,0 +1,51 @@ +/* { dg-do run } */ +/* { dg-options "-mavx512f -O2" } */ +/* { dg-require-effective-target avx512f } */ + +#include "avx512f-check.h" + +#define SCALE 2 + +static void +compute_scatterdd (__mmask16 m16, int *idx, + int *src, int scale, int *r) +{ + int i; + + for (i = 0; i < 16; i++) + { + if (m16 & (1 << i)) + *(int *) (((unsigned char *) r) + idx[i] * scale) = src[i]; + } +} + +static void +avx512f_test (void) +{ + int i; + union512i_d src, idx; + int res[16] = { 0 }; + int res_ref[16] = { 0 }; + __mmask16 m16 = 0xBC5D; + + for (i = 0; i < 16; i++) + { + src.a[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; + } + + _mm512_mask_i32scatter_epi32 (res, m16, idx.x, src.x, SCALE); + compute_scatterdd (m16, idx.a, src.a, SCALE, res_ref); + + if (checkVi (res, res_ref, 16)) + abort (); + + _mm512_i32scatter_epi32 (res, idx.x, src.x, SCALE); + compute_scatterdd (0xFFFF, idx.a, src.a, SCALE, res_ref); + + if (checkVi (res, res_ref, 16)) + abort (); +} |