v4fmaddps

Fused Multiply-Add Packed Single (4-iterations)

V4FMADDPS zmm1 {k1}, zmm2+3, m128

4-way FMA for Neural Nets (Single).

Details

The Fused Multiply-Add Packed Single (4-iterations) instruction 4-way FMA for Neural Nets (Single).

Pseudocode Operation

// 4-way FMA for Neural Nets (Single)

Example

V4FMADDPS zmm1, zmm2+3, [rbp-16]

Encoding

Binary Layout
EVEX
+0
opcode
+4
ModRM
+5
 
Format EVEX
Opcode 62 F2 ... 9A
Extension AVX-512-4FMAPS

Operands

  • dest
    512-bit ZMM AVX-512 register
  • src1
    ZMM register pair (consecutive even+odd registers, for 4-iteration FMA)
  • src2
    128-bit memory operand