fyl2x
Y * log2(X)
FYL2X
Computes ST(1) * log2(ST(0)).
Details
The Y * log2(X) instruction computes ST(1) * log2(ST(0)).
Pseudocode Operation
// Computes ST(1) * log2(ST(0))
Example
FYL2X
Encoding
Binary Layout
D9
+0
F1
+1