vextractf128

Extract Float 128-bit

VEXTRACTF128 xmm1/m128, ymm2, imm8

Extracts 128-bits from YMM register.

Details

The Extract Float 128-bit instruction extracts 128-bits from YMM register.

Pseudocode Operation

// Extracts 128-bits from YMM register

Example

VEXTRACTF128 xmm1/m128, ymm2, 3

Encoding

Binary Layout
VEX
+0
opcode
+3
ModRM
+4
 
Format VEX
Opcode C4 ... 19
Extension AVX

Operands

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