pmaxsb

Maximum of Packed Signed Byte Integers

PMAXSB xmm1, xmm2/m128

Returns maximum of signed bytes.

Details

The Maximum of Packed Signed Byte Integers instruction returns maximum of signed bytes.

Pseudocode Operation

// Returns maximum of signed bytes

Example

PMAXSB xmm1, xmm2/m128

Encoding

Binary Layout
66
+0
0F
+1
38
+2
3C
+3
 
Format SSE4.1
Opcode 66 0F 38 3C
Extension SSE4.1

Operands

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