v4fnmaddss
Fused Negative Multiply-Add Scalar Single (4-iterations)
V4FNMADDSS xmm1 {k1}, xmm2+3, m128
4-way Negative FMA for Neural Nets (Scalar).
Details
The Fused Negative Multiply-Add Scalar Single (4-iterations) instruction 4-way Negative FMA for Neural Nets (Scalar).
Pseudocode Operation
// 4-way Negative FMA for Neural Nets (Scalar)
Example
V4FNMADDSS xmm1, xmm2+3, [rbp-16]
Encoding
Binary Layout
EVEX
+0
opcode
+4
ModRM
+5
Operands
-
dest
128-bit XMM SIMD register -
src1
XMM register pair (consecutive even+odd registers) -
src2
128-bit memory operand