pmovsxbq

Packed Move with Sign Extend Byte to Quadword

PMOVSXBQ xmm1, xmm2/m16

Sign extends 8-bit integers to 64-bit.

Details

The Packed Move with Sign Extend Byte to Quadword instruction sign extends 8-bit integers to 64-bit.

Pseudocode Operation

// Sign extends 8-bit integers to 64-bit

Example

PMOVSXBQ xmm1, xmm2/m16

Encoding

Binary Layout
66
+0
0F
+1
38
+2
22
+3
 
Format SSE4.1
Opcode 66 0F 38 22
Extension SSE4.1

Operands

  • dest
    XMM
  • src
    XMM/Mem