User's Manual

230 DirectPath Instructions
AMD Athlon™ Processor x86 Code Optimization
22007E/0—November 1999
FSUB ST(i), ST
FSUBP ST, ST(i)
FSUBR [mem32real]
FSUBR [mem64real]
FSUBR ST, ST(i)
FSUBR ST(i), ST
FSUBRP ST(i), ST
FTST
FUCOM
FUCOMP
FUCOMPP
FWAIT
FXCH
Table 28. DirectPath Floating-Point Instructions
Instruction Mnemonic