diff options
Diffstat (limited to 'gcc-4.8/gcc/testsuite/gcc.target/i386/avx2-vpshuflw-2.c')
-rw-r--r-- | gcc-4.8/gcc/testsuite/gcc.target/i386/avx2-vpshuflw-2.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/testsuite/gcc.target/i386/avx2-vpshuflw-2.c b/gcc-4.8/gcc/testsuite/gcc.target/i386/avx2-vpshuflw-2.c new file mode 100644 index 000000000..144197348 --- /dev/null +++ b/gcc-4.8/gcc/testsuite/gcc.target/i386/avx2-vpshuflw-2.c @@ -0,0 +1,52 @@ +/* { dg-do run } */ +/* { dg-require-effective-target avx2 } */ +/* { dg-options "-O2 -mavx2" } */ + +#include <string.h> +#include "avx2-check.h" + +#define N 0xec + +static void +compute_pshufhw256 (short *s1, unsigned char imm, short *r) +{ + int i; + + for (i = 0; i < 4; i++) + { + r[i] = s1[i]; + r[i + 8] = s1[i + 8]; + } + + for (i = 4; i < 8; i++) + { + r[i] = s1[((imm >> (2 * (i - 4))) & 3) + 4]; + r[i + 8] = s1[((imm >> (2 * (i - 4))) & 3) + 12]; + } +} + +void static +avx2_test (void) +{ + union256i_w s1, res; + short res_ref[16]; + int i, j, sign = 1; + int fail = 0; + + for (i = 1; i < 10; i++) + { + for (j = 0; j < 16; j++) + { + s1.a[j] = j * i * sign; + sign = -sign; + } + + res.x = _mm256_shufflehi_epi16 (s1.x, N); + compute_pshufhw256 (s1.a, N, res_ref); + + fail += check_union256i_w (res, res_ref); + } + + if (fail != 0) + abort (); +} |