6-15
INSTRUCTION SET SUMMARY
6.2.3.5.LOAD CONSTANTS
FLD1
Load +1.0
FLDZ
Load +0.0
FLDPI
Load
?
FLDL2E
Load log
2
e
FLDLN2
Load log
e
2
FLDL2T
Load log
2
10
FLDLG2
Load log
10
2
6.2.3.6.FPU CONTROL
FINCSTP
Increment FPU register stack pointer
FDECSTP
Decrement FPU register stack pointer
FFREE
Free floating-point register
FINIT
Initialize FPU after checking error conditions
FNINIT
Initialize FPU without checking error conditions
FCLEX
Clear floating-point exception flags after checking for error
conditions
FNCLEX
Clear floating-point exception flags without checking for error
conditions
FSTCW
Store FPU control word after checking error conditions
FNSTCW
Store FPU control word without checking error conditions
FLDCW
Load FPU control word
FSTENV
Store FPU environment after checking error conditions
FNSTENV
Store FPU environment without checking error conditions
FLDENV
Load FPU environment
FSAVE
Save FPU state after checking error conditions
FNSAVE
Save FPU state without checking error conditions
FRSTOR
Restore FPU state
FSTSW
Store FPU status word after checking error conditions
FNSTSW
Store FPU status word without checking error conditions
WAIT/FWAIT
Wait for FPU
FNOP
FPU no operation
