_mm512_fnmsub_pd
Classification
AVX-512, Arithmetic, CPUID Test: AVX512F
Header File
Instruction
VFNMSUB132PD zmm, zmm, zmm
Synopsis
_mm512_fnmsub_pd(__m512d a, __m512d b, __m512d c);
Description
Multiply packed double-precision (64-bit) floating-point elements in "a" and "b", subtract packed elements in "c" from the negated intermediate result, and store the results in "dst".
Operation
FOR j := 0 to 7
i := j*64
dst[i+63:i] := -(a[i+63:i] * b[i+63:i]) - c[i+63:i]
ENDFOR
dst[MAX:512] := 0