C-3
FLOATING-POINT EXCEPTIONS SUMMARY
Mnemonic
Instruction
#IS#IA#D#Z#O#U#P
FSINCOS
Sine and cosine
YYY
YY
FSQRT
Square root
YYY
Y
FST(P) stack or extendedStore real
Y
FST(P) single or doubleStore real
YYY
YYY
FSTCW
Store control word
FSTENV
Store environment
FSTSW (AX)
Store status word
FSUB(R)(P)
Subtract real
YYY
YYY
FTST
Test
YYY
FUCOM(P)(P)
Unordered compare real
YYY
FWAIT
CPU Wait
FXAM
Examine
FXCH
Exchange registers
Y
FXTRACT
Extract
YYYY
FYL2X
Y
?
log
2
X
YYYYYYY
FYL2XP1
Y
?
log
2
(X + 1)
YYY
YY
Table C-1. Floating-Point Exceptions Summary (Contd.)
