diff options
Diffstat (limited to 'gcc-4.8/gcc/testsuite/gcc.target/i386/avx2-i64gatherd-2.c')
-rw-r--r-- | gcc-4.8/gcc/testsuite/gcc.target/i386/avx2-i64gatherd-2.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/testsuite/gcc.target/i386/avx2-i64gatherd-2.c b/gcc-4.8/gcc/testsuite/gcc.target/i386/avx2-i64gatherd-2.c new file mode 100644 index 000000000..f475a4a73 --- /dev/null +++ b/gcc-4.8/gcc/testsuite/gcc.target/i386/avx2-i64gatherd-2.c @@ -0,0 +1,41 @@ +/* { dg-do run } */ +/* { dg-require-effective-target avx2 } */ +/* { dg-options "-O2 -mavx2" } */ + +#include <string.h> +#include "avx2-check.h" + +static void +compute_i64gatherps (int *s1, long long *s2, int scale, int *r) +{ + int i; + + for (i = 0; i < 2; ++i) + r[i] = *(int *) (((unsigned char *) s1) + s2[i] * scale); +} + +void static +avx2_test (void) +{ + int i; + union128i_q idx; + union128i_d res; + int s1[2], res_ref[4] = { 0 }; + + for (i = 0; i < 2; ++i) + { + /* Set some stuff */ + s1[i] = 1973 * (i + 1) * (i + 2); + + /* About to gather in reverse order, + divide by 2 to demonstrate scale */ + idx.a[i] = (8 - (i + 1) * 4) >> 1; + } + + res.x = _mm_i64gather_epi32 (s1, idx.x, 2); + + compute_i64gatherps (s1, idx.a, 2, res_ref); + + if (check_union128i_d (res, res_ref) != 0) + abort (); +} |