/* { dg-do run } */ /* { dg-require-effective-target fma } */ /* { dg-options "-O2 -mfma" } */ #include "fma-check.h" #include #include "m256-check.h" void check_mm_fmaddsub_ps (__m128 __A, __m128 __B, __m128 __C) { union128 a, b, c, e; a.x = __A; b.x = __B; c.x = __C; float d[4]; int i; e.x = _mm_fmaddsub_ps (__A, __B, __C); for (i = 0; i < 4; i++) { d[i] = a.a[i] * b.a[i] + (i % 2 == 1 ? c.a[i] : -c.a[i]); } if (check_union128 (e, d)) abort (); } void check_mm_fmaddsub_pd (__m128d __A, __m128d __B, __m128d __C) { union128d a, b, c, e; a.x = __A; b.x = __B; c.x = __C; double d[2]; int i; e.x = _mm_fmaddsub_pd (__A, __B, __C); for (i = 0; i < 2; i++) { d[i] = a.a[i] * b.a[i] + (i % 2 == 1 ? c.a[i] : -c.a[i]); } if (check_union128d (e, d)) abort (); } static void fma_test (void) { union128 a[3]; union128d b[3]; int i, j; for (i = 0; i < 3; i++) { for (j = 0; j < 4; j++) a[i].a[j] = i * j + 3.5; for (j = 0; j < 2; j++) b[i].a[j] = i * j + 3.5; } check_mm_fmaddsub_pd (b[0].x, b[1].x, b[2].x); check_mm_fmaddsub_ps (a[0].x, a[1].x, a[2].x); }