diff options
author | Ben Cheng <bccheng@google.com> | 2012-10-01 10:30:31 -0700 |
---|---|---|
committer | Ben Cheng <bccheng@google.com> | 2012-10-01 10:30:31 -0700 |
commit | 82bcbebce43f0227f506d75a5b764b6847041bae (patch) | |
tree | fe9f8597b48a430c4daeb5123e3e8eb28e6f9da9 /gcc-4.7/gcc/testsuite/gcc.target/i386/avx2-vpblendw-2.c | |
parent | 3c052de3bb16ac53b6b6ed659ec7557eb84c7590 (diff) | |
download | toolchain_gcc-82bcbebce43f0227f506d75a5b764b6847041bae.tar.gz toolchain_gcc-82bcbebce43f0227f506d75a5b764b6847041bae.tar.bz2 toolchain_gcc-82bcbebce43f0227f506d75a5b764b6847041bae.zip |
Initial check-in of gcc 4.7.2.
Change-Id: I4a2f5a921c21741a0e18bda986d77e5f1bef0365
Diffstat (limited to 'gcc-4.7/gcc/testsuite/gcc.target/i386/avx2-vpblendw-2.c')
-rw-r--r-- | gcc-4.7/gcc/testsuite/gcc.target/i386/avx2-vpblendw-2.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/gcc-4.7/gcc/testsuite/gcc.target/i386/avx2-vpblendw-2.c b/gcc-4.7/gcc/testsuite/gcc.target/i386/avx2-vpblendw-2.c new file mode 100644 index 000000000..0500d351e --- /dev/null +++ b/gcc-4.7/gcc/testsuite/gcc.target/i386/avx2-vpblendw-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 20 + +#undef MASK +#define MASK 0xfe + +static void +init_pblendw (short *src1, short *src2, int seed) +{ + int i, sign = 1; + + for (i = 0; i < 16; i++) + { + src1[i] = (i + seed) * (i + seed) * sign; + src2[i] = (i + seed + 20) * sign; + sign = -sign; + } +} + +static void +calc_pblendw (short *src1, short *src2, unsigned int mask, short *dst) +{ + int i; + + memcpy (dst, src1, 32); + for (i = 0; i < 16; i++) + if (mask & (1 << (i % 8))) + dst[i] = src2[i]; +} + +static void +avx2_test (void) +{ + union256i_w src1, src2, dst; + short dst_ref[16]; + int i; + + for (i = 0; i < NUM; i++) + { + init_pblendw (src1.a, src2.a, i); + + dst.x = _mm256_blend_epi16 (src1.x, src2.x, MASK); + calc_pblendw (src1.a, src2.a, MASK, dst_ref); + + if (check_union256i_w (dst, dst_ref)) + abort (); + } +} |