psrldq

Shift Double Quadword Right Logical

PSRLDQ xmm1, imm8

Shifts the entire 128-bit register right by bytes.

Details

The Shift Double Quadword Right Logical instruction shifts the entire 128-bit register right by bytes.

Pseudocode Operation

// Shifts the entire 128-bit register right by bytes

Example

PSRLDQ xmm1, 3

Encoding

Binary Layout
66
+0
0F
+1
73
+2
ModRM
+3
 
Format SSE2
Opcode 66 0F 73 /3
Extension SSE2

Operands

  • dest
    XMM
  • count
    Imm