| /* 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 (); |
| } |