diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-pr64286.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-pr64286.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-pr64286.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-pr64286.c new file mode 100644 index 000000000..2edb3210c --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-pr64286.c @@ -0,0 +1,37 @@ +/* PR rtl-optimization/64286 */ +/* { dg-do run } */ +/* { dg-options "-O2 -mavx2" } */ +/* { dg-require-effective-target avx2 } */ + +#include <string.h> +#include <stdlib.h> +#include <x86intrin.h> +#include "avx2-check.h" + +__m128i v; +__m256i w; + +__attribute__((noinline, noclone)) void +foo (__m128i *p, __m128i *q) +{ + __m128i a = _mm_loadu_si128 (p); + __m128i b = _mm_xor_si128 (a, v); + w = _mm256_cvtepu8_epi16 (a); + *q = b; +} + +static void +avx2_test (void) +{ + v = _mm_set1_epi8 (0x40); + __m128i c = _mm_set_epi8 (16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1); + __m128i d; + foo (&c, &d); + __m128i e = _mm_set_epi8 (0x50, 0x4f, 0x4e, 0x4d, 0x4c, 0x4b, 0x4a, 0x49, + 0x48, 0x47, 0x46, 0x45, 0x44, 0x43, 0x42, 0x41); + __m256i f = _mm256_set_epi16 (16, 15, 14, 13, 12, 11, 10, 9, + 8, 7, 6, 5, 4, 3, 2, 1); + if (memcmp (&w, &f, sizeof (w)) != 0 + || memcmp (&d, &e, sizeof (d)) != 0) + abort (); +} |