vp4dpwssds

Dot Product Signed Word to Signed Doubleword Saturate (4-iter)

VP4DPWSSDS zmm1 {k1}, zmm2+3, m128

Neural Net 4-way dot product with saturation.

Details

The Dot Product Signed Word to Signed Doubleword Saturate (4-iter) instruction neural Net 4-way dot product with saturation.

Pseudocode Operation

// Neural Net 4-way dot product with saturation

Example

VP4DPWSSDS zmm1, zmm2+3, [rbp-16]

Encoding

Binary Layout
EVEX
+0
opcode
+4
ModRM
+5
 
Format EVEX
Opcode 62 F2 ... 53
Extension AVX-512-4VNNIW

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