fscale

Scale

FSCALE

Scales ST(0) by ST(1) (ST(0) * 2^ST(1)).

Details

The Scale instruction scales ST(0) by ST(1) (ST(0) * 2^ST(1)).

Pseudocode Operation

// Scales ST(0) by ST(1) (ST(0) * 2^ST(1))

Example

FSCALE

Encoding

Binary Layout
D9
+0
FD
+1
 
Format Legacy
Opcode D9 FD
Extension x87 FPU

Operands