| /* { dg-do run } */ |
| /* { dg-require-effective-target fma } */ |
| /* { dg-options "-O2 -mfma" } */ |
| |
| #include "fma-check.h" |
| |
| #include <x86intrin.h> |
| #include "m256-check.h" |
| |
| |
| void |
| check_mm256_fmsub_pd (__m256d __A, __m256d __B, __m256d __C) |
| { |
| union256d a, b, c, e; |
| a.x = __A; |
| b.x = __B; |
| c.x = __C; |
| double d[4]; |
| int i; |
| e.x = _mm256_fmsub_pd (__A, __B, __C); |
| for (i = 0; i < 4; i++) |
| { |
| d[i] = a.a[i] * b.a[i] - c.a[i]; |
| } |
| if (check_union256d (e, d)) |
| abort (); |
| } |
| |
| void |
| check_mm256_fmsub_ps (__m256 __A, __m256 __B, __m256 __C) |
| { |
| union256 a, b, c, e; |
| a.x = __A; |
| b.x = __B; |
| c.x = __C; |
| float d[8]; |
| int i; |
| e.x = _mm256_fmsub_ps (__A, __B, __C); |
| for (i = 0; i < 8; i++) |
| { |
| d[i] = a.a[i] * b.a[i] - c.a[i]; |
| } |
| if (check_union256 (e, d)) |
| abort (); |
| } |
| |
| static void |
| fma_test (void) |
| { |
| union256 c[3]; |
| union256d d[3]; |
| int i, j; |
| for (i = 0; i < 3; i++) |
| { |
| for (j = 0; j < 8; j++) |
| c[i].a[j] = i * j + 3.5; |
| for (j = 0; j < 4; j++) |
| d[i].a[j] = i * j + 3.5; |
| } |
| check_mm256_fmsub_pd (d[0].x, d[1].x, d[2].x); |
| check_mm256_fmsub_ps (c[0].x, c[1].x, c[2].x); |
| } |