Visible to Intel only — GUID: GUID-00150958-3E20-4CC9-A8E8-03A5426BE788
Visible to Intel only — GUID: GUID-00150958-3E20-4CC9-A8E8-03A5426BE788
Intrinsics for FP Multiplication Operations
The prototypes for Intel® Advanced Vector Extensions 512 (Intel® AVX-512) intrinsics are located in the zmmintrin.h header file.
To use these intrinsics, include the immintrin.h file as follows:
#include <immintrin.h>
Intrinsic Name |
Operation |
Corresponding |
---|---|---|
_mm_mul_round_sd, _mm_mask_mul_round_sd, _mm_maskz_mul_round_sd _mm_mask_mul_sd, _mm_maskz_mul_sd |
Multiplies rounded vectors. |
VMULSD |
_mm_mul_round_ss, _mm_mask_mul_round_ss, _mm_maskz_mul_round_ss _mm_mask_mul_ss, _mm_maskz_mul_ss |
Multiplies rounded vectors. |
VMULSS |
_mm512_mul_round_pd, _mm512_mask_mul_round_pd, _mm512_maskz_mul_round_pd _mm512_mul_pd, _mm512_mask_mul_pd, _mm512_maskz_mul_pd |
Multiplies rounded float64 vectors. |
VMULPD |
_mm512_mul_round_ps, _mm512_mask_mul_round_ps, _mm512_maskz_mul_round_ps _mm512_mul_ps, _mm512_mask_mul_ps, _mm512_maskz_mul_ps |
Multiplies rounded float32 vectors. |
VMULPS |
variable | definition |
---|---|
k | writemask used as a selector |
a | first source vector element |
b | second source vector element |
src | source element to use based on writemask result |
round | Rounding control values; these can be one of the following (along with the sae suppress all exceptions flag):
|
_mm512_mul_pd
extern __m512d __cdecl _mm512_mul_pd(__m512d a, __m512d b);
Multiplies packed float64 elements in a and b, stores the result.
_mm512_mask_mul_pd
extern __m512d __cdecl _mm512_mask_mul_pd(__m512d src, __mmask8 k, __m512d a, __m512d b);
Multiplies packed float64 elements in a and b, stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).
_mm512_maskz_mul_pd
extern __m512d __cdecl _mm512_maskz_mul_pd(__mmask8 k, __m512d a, __m512d b);
Multiplies packed float64 elements in a and b, stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).
_mm512_mul_round_pd
extern __m512d __cdecl _mm512_mul_round_pd(__m512d a, __m512d b, int round);
Multiplies packed float64 elements in a and b, stores the result.
_mm512_mask_mul_round_pd
extern __m512d __cdecl _mm512_mask_mul_round_pd(__m512d src, __mmask8 k, __m512d a, __m512d b, int round);
Multiplies packed float64 elements in a and b, stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).
_mm512_maskz_mul_round_pd
extern __m512d __cdecl _mm512_maskz_mul_round_pd(__mmask8 k, __m512d a, __m512d b, int round);
Multiplies packed float64 elements in a and b, stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).
_mm512_mul_ps
extern __m512 __cdecl _mm512_mul_ps(__m512 a, __m512 b);
Multiplies packed float32 elements in a and b, stores the result.
_mm512_mask_mul_ps
extern __m512 __cdecl _mm512_mask_mul_ps(__m512 src, __mmask16 k, __m512 a, __m512 b);
Multiplies packed float32 elements in a and b, stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).
_mm512_maskz_mul_ps
extern __m512 __cdecl _mm512_maskz_mul_ps(__mmask16 k, __m512 a, __m512 b);
Multiplies packed float32 elements in a and b, stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).
_mm512_mul_round_ps
extern __m512 __cdecl _mm512_mul_round_ps(__m512 a, __m512 b, int round);
Multiplies packed float32 elements in a and b, stores the result.
_mm512_mask_mul_round_ps
extern __m512 __cdecl _mm512_mask_mul_round_ps(__m512 src, __mmask16 k, __m512 a, __m512 b, int round);
Multiplies packed float32 elements in a and b, stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).
_mm512_maskz_mul_round_ps
extern __m512 __cdecl _mm512_maskz_mul_round_ps(__mmask16 k, __m512 a, __m512 b, int round);
Multiplies packed float32 elements in a and b, stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).
_mm_mul_round_sd
extern __m128d __cdecl _mm_mul_round_sd(__m128d a, __m128d b, int round);
Multiplies the lower float64 element in a and b, stores the result in the lower destination element, and copy the upper element from a to the upper destination element.
_mm_mask_mul_round_sd
extern __m128d __cdecl _mm_mask_mul_round_sd(__m128d src, __mmask8 k, __m128d a, __m128d b, int round);
Multiplies the lower float64 element in a and b, stores the result in the lower destination element using writemask k (the element is copied from src when mask bit 0 is not set), and copy the upper element from a to the upper destination element.
_mm_maskz_mul_round_sd
extern __m128d __cdecl _mm_maskz_mul_round_sd(__mmask8 k, __m128d a, __m128d b, int round);
Multiplies the lower float64 element in a and b, stores the result in the lower destination element using zeromask k (the element is zeroed out when mask bit 0 is not set), and copy the upper element from a to the upper destination element.
_mm_mask_mul_sd
extern __m128d __cdecl _mm_mask_mul_sd(__m128d src, __mmask8 k, __m128d a, __m128d b);
Multiplies the lower float64 element in a and b, stores the result in the lower destination element using writemask k (the element is copied from src when mask bit 0 is not set), and copy the upper element from a to the upper destination element.
_mm_maskz_mul_sd
extern __m128d __cdecl _mm_maskz_mul_sd(__mmask8 k, __m128d a, __m128d b);
Multiplies the lower float64 element in a and b, stores the result in the lower destination element using zeromask k (the element is zeroed out when mask bit 0 is not set), and copy the upper element from a to the upper destination element.
_mm_mul_round_ss
extern __m128 __cdecl _mm_mul_round_ss(__m128 a, __m128 b, int round);
Multiplies the lower float32 element in a and b, stores the result in the lower destination element, and copy the upper three packed elements from a to the upper destination elements.
_mm_mask_mul_round_ss
extern __m128 __cdecl _mm_mask_mul_round_ss(__m128 src, __mmask8 k, __m128 a, __m128 b, int round);
Multiplies the lower float32 element in a and b, stores the result in the lower destination element using writemask k (the element is copied from src when mask bit 0 is not set), and copy the upper three packed elements from a to the upper destination elements.
_mm_maskz_mul_round_ss
extern __m128 __cdecl _mm_maskz_mul_round_ss(__mmask8 k, __m128 a, __m128 b, int round);
Multiplies the lower float32 element in a and b, stores the result in the lower destination element using zeromask k (the element is zeroed out when mask bit 0 is not set), and copy the upper three packed elements from a to the upper destination elements.
_mm_mask_mul_ss
extern __m128 __cdecl _mm_mask_mul_ss(__m128 src, __mmask8 k, __m128 a, __m128 b);
Multiplies the lower float32 element in a and b, stores the result in the lower destination element using writemask k (the element is copied from src when mask bit 0 is not set), and copy the upper three packed elements from a to the upper destination elements.
_mm_maskz_mul_ss
extern __m128 __cdecl _mm_maskz_mul_ss(__mmask8 k, __m128 a, __m128 b);
Multiplies the lower float32 element in a and b, stores the result in the lower destination element using zeromask k (the element is zeroed out when mask bit 0 is not set), and copy the upper three packed elements from a to the upper destination elements.