sha256msg1

SHA256 Message Schedule 1

SHA256MSG1 xmm1, xmm2/m128

Performs intermediate calculation for SHA256 message schedule.

Details

The SHA256 Message Schedule 1 instruction performs intermediate calculation for SHA256 message schedule.

Pseudocode Operation

// Performs intermediate calculation for SHA256 message schedule

Example

SHA256MSG1 xmm1, xmm2/m128

Encoding

Binary Layout
0F
+0
38
+1
CC
+2
 
Format Legacy
Opcode 0F 38 CC
Extension SHA

Operands

  • dest
    128-bit XMM SIMD register
  • src
    128-bit XMM SIMD register or Memory operand