psubb

Packed Subtract Bytes

PSUBB xmm, xmm/m128

Subtracts 16 bytes.

Details

The Packed Subtract Bytes instruction subtracts 16 bytes.

Pseudocode Operation

// Subtracts 16 bytes

Example

PSUBB xmm0, xmm1

Encoding

Binary Layout
66
+0
0F
+1
F8
+2
 
Format SSE2
Opcode 66 0F F8
Extension SSE2

Operands

  • dest
    128-bit SSE/AVX register (XMM)
  • src
    128-bit XMM register or 128-bit memory