diff options
Diffstat (limited to 'gcc-4.8/gcc/testsuite/gcc.target/i386/avx2-vpermd-2.c')
-rw-r--r-- | gcc-4.8/gcc/testsuite/gcc.target/i386/avx2-vpermd-2.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/testsuite/gcc.target/i386/avx2-vpermd-2.c b/gcc-4.8/gcc/testsuite/gcc.target/i386/avx2-vpermd-2.c new file mode 100644 index 000000000..a663337e9 --- /dev/null +++ b/gcc-4.8/gcc/testsuite/gcc.target/i386/avx2-vpermd-2.c @@ -0,0 +1,54 @@ +/* { dg-do run } */ +/* { dg-options "-mavx2 -O2" } */ +/* { dg-require-effective-target avx2 } */ + +#include "avx2-check.h" +#include <string.h> + +#define NUM 10 + +static void +init_permd (int *src1, int *src2, int seed) +{ + int i, sign = 1; + + for (i = 0; i < 8; i++) + { + src1[i] = (i + seed) * (i + seed) * sign; + src2[i] = (i + seed + 20) * sign; + sign = -sign; + } +} + +static void +calc_permd (int *src1, int *src2, int *dst) +{ + int i; + unsigned temp; + + memcpy (dst, src1, 32); + for (i = 0; i < 8; i++) + { + temp = src2[i]; + dst[i] = src1[temp & 7]; + } +} + +static void +avx2_test (void) +{ + union256i_d src1, src2, dst; + int dst_ref[8]; + int i; + + for (i = 0; i < NUM; i++) + { + init_permd (src1.a, src2.a, i); + + dst.x = _mm256_permutevar8x32_epi32 (src1.x, src2.x); + calc_permd (src1.a, src2.a, dst_ref); + + if (check_union256i_d (dst, dst_ref)) + abort (); + } +} |