fcmovnu

Floating-Point Conditional Move If Not Unordered

FCMOVNU ST(0), ST(i)

Moves ST(i) to ST(0) if PF=0.

Details

The Floating-Point Conditional Move If Not Unordered instruction moves ST(i) to ST(0) if PF=0.

Pseudocode Operation

// Moves ST(i) to ST(0) if PF=0

Example

FCMOVNU st(0), st(1)

Encoding

Binary Layout
DB
+0
 
Format Legacy
Opcode DB D8+i
Extension x87 FPU (P6+)

Operands

  • src
    Register