psllw

Packed Shift Left Logical Word (MMX)

PSLLW mm, imm8

Shifts words left (MMX).

Details

The Packed Shift Left Logical Word (MMX) instruction shifts words left (MMX).

Pseudocode Operation

// Shifts words left (MMX)

Example

PSLLW mm, 3

Encoding

Binary Layout
0F
+0
71
+1
ModRM
+2
 
Format MMX
Opcode 0F 71 /6
Extension MMX

Operands

  • dest
    64-bit MMX register
  • src
    8-bit signed immediate