pcmpestrm

Packed Compare Explicit Length Strings, Return Mask

PCMPESTRM xmm1, xmm2/m128, imm8

Complex string search/compare; returns mask in XMM0.

Details

The Packed Compare Explicit Length Strings, Return Mask instruction complex string search/compare; returns mask in XMM0.

Pseudocode Operation

// Complex string search/compare; returns mask in XMM0

Example

PCMPESTRM xmm1, xmm2/m128, 3

Encoding

Binary Layout
66
+0
0F
+1
3A
+2
60
+3
 
Format SSE4.2
Opcode 66 0F 3A 60
Extension SSE4.2

Operands

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