diff options
Diffstat (limited to 'gcc-4.8/gcc/testsuite/gcc.target/i386/avx2-vpsadbw-2.c')
-rw-r--r-- | gcc-4.8/gcc/testsuite/gcc.target/i386/avx2-vpsadbw-2.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/testsuite/gcc.target/i386/avx2-vpsadbw-2.c b/gcc-4.8/gcc/testsuite/gcc.target/i386/avx2-vpsadbw-2.c new file mode 100644 index 000000000..392613659 --- /dev/null +++ b/gcc-4.8/gcc/testsuite/gcc.target/i386/avx2-vpsadbw-2.c @@ -0,0 +1,57 @@ +/* { dg-do run } */ +/* { dg-require-effective-target avx2 } */ +/* { dg-options "-O2 -mavx2" } */ + +#include <string.h> +#include "avx2-check.h" + +static void +compute_sadbw256 (unsigned char *s1, unsigned char *s2, unsigned short *r) +{ + int i; + unsigned char tmp[32]; + + for (i = 0; i < 32; i++) + tmp[i] = s1[i] > s2[i] ? s1[i] - s2[i] : s2[i] - s1[i]; + + memset (r, 0, 32); + + for (i = 0; i < 8; i++) + r[0] += tmp[i]; + + for (i = 8; i < 16; i++) + r[4] += tmp[i]; + + for (i = 16; i < 24; i++) + r[8] += tmp[i]; + + for (i = 24; i < 32; i++) + r[12] += tmp[i]; +} + +void static +avx2_test (void) +{ + union256i_b s1, s2; + union256i_w res; + unsigned short res_ref[16]; + int i, j; + int fail = 0; + + for (i = 0; i < 10; i++) + { + for (j = 0; j < 32; j++) + { + s1.a[j] = j * i; + s2.a[j] = j + 20; + } + + res.x = _mm256_sad_epu8 (s1.x, s2.x);; + compute_sadbw256 (s1.a, s2.a, res_ref); + + fail += check_union256i_w (res, res_ref); + } + + if (fail != 0) + abort (); +} |