pextrb

Packed Extract Byte

PEXTRB r32/m8, xmm1, imm8

Extracts a byte from XMM to integer register.

Details

The Packed Extract Byte instruction extracts a byte from XMM to integer register.

Pseudocode Operation

// Extracts a byte from XMM to integer register

Example

PEXTRB r32/m8, xmm1, 3

Encoding

Binary Layout
66
+0
0F
+1
3A
+2
14
+3
 
Format SSE4.1
Opcode 66 0F 3A 14
Extension SSE4.1

Operands

  • dest
    General-purpose register or Memory operand
  • src1
    128-bit XMM SIMD register
  • src2
    8-bit signed immediate