ucomiss

Unordered Compare Scalar Single-Precision

UCOMISS xmm1, xmm2/m32

Compares low float and sets EFLAGS.

Details

The Unordered Compare Scalar Single-Precision instruction compares low float and sets EFLAGS.

Pseudocode Operation

// Compares low float and sets EFLAGS

Example

UCOMISS xmm1, xmm2/m32

Encoding

Binary Layout
0F
+0
2E
+1
 
Format SSE
Opcode 0F 2E
Extension SSE

Operands

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