diff options
Diffstat (limited to 'src/vectors-8-AVX.h')
| -rw-r--r-- | src/vectors-8-AVX.h | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/src/vectors-8-AVX.h b/src/vectors-8-AVX.h index f7d00d9..fc3e4d5 100644 --- a/src/vectors-8-AVX.h +++ b/src/vectors-8-AVX.h @@ -5,10 +5,9 @@ +#include <x86intrin.h> #if VECTORISE_EMULATE_AVX # include "avxintrin_emu.h" -#else -# include <immintrin.h> #endif @@ -162,10 +161,17 @@ static const k8const_t k8abs_mask_union = #define k8div(x,y) (_mm256_div_pd(x,y)) // Fused multiply-add, defined as [+-]x*y[+-]z -#define k8madd(x,y,z) (k8add(k8mul(x,y),z)) -#define k8msub(x,y,z) (k8sub(k8mul(x,y),z)) -#define k8nmadd(x,y,z) (k8sub(k8neg(z),k8mul(x,y))) -#define k8nmsub(x,y,z) (k8sub(z,k8mul(x,y))) +#ifdef __FMA4__ +# define k8madd(x,y,z) (_mm256_macc_pd(x,y,z)) +# define k8msub(x,y,z) (_mm256_msub_pd(x,y,z)) +# define k8nmadd(x,y,z) (_mm256_nmsub_pd(x,y,z)) +# define k8nmsub(x,y,z) (_mm256_nmacc_pd(x,y,z)) +#else +# define k8madd(x,y,z) (k8add(k8mul(x,y),z)) +# define k8msub(x,y,z) (k8sub(k8mul(x,y),z)) +# define k8nmadd(x,y,z) (k8sub(k8neg(z),k8mul(x,y))) +# define k8nmsub(x,y,z) (k8sub(z,k8mul(x,y))) +#endif // Cheap functions #define k8fabs(x) (_mm256_and_pd(x,k8abs_mask_union.vd)) |