vpshldq

Packed Shift Left Quadword Concatenate

VPSHLDQ zmm1 {k1}, zmm2, zmm3/m512, imm8

Funnel shift left of quadwords.

Details

The Packed Shift Left Quadword Concatenate instruction funnel shift left of quadwords.

Pseudocode Operation

// Funnel shift left of quadwords

Example

VPSHLDQ zmm1, zmm2, zmm3/m512, 3

Encoding

Binary Layout
EVEX
+0
66
+4
0F
+5
3A
+6
71
+7
 
Format EVEX
Opcode 66 0F 3A 71
Extension AVX-512-VBMI2

Operands

  • dest
    512-bit ZMM AVX-512 register
  • src1
    512-bit ZMM AVX-512 register
  • src2
    512-bit ZMM AVX-512 register or Memory operand
  • src3
    8-bit signed immediate