Important Notice
The pages on this site contain documentation for very old MS-DOS software,
purely for historical purposes.
If you're looking for up-to-date documentation, particularly for programming,
you should not rely on the information found here, as it will be woefully
out of date.
FADD/FADDP/FIADD
◄Summary► ◄Timings► ◄Example►
────────────────┬─────────────────────────┬────────────────────────────────
FADD [reg,reg] │ fadd st,st(2) │ 87 70-100
│ fadd st(5),st │ 287 70-100
│ fadd │ 387 t=23-31,f=26-34
────────────────┼─────────────────────────┼────────────────────────────────
FADDP reg,ST │ faddp st(6),st │ 87 75-105
│ │ 287 75-105
│ │ 387 23-31
────────────────┼─────────────────────────┼────────────────────────────────
FADD memreal │ fadd QWORD PTR [bx] │ 87 (s=90-120,s=95 125)+EA
│ fadd shortreal │ 287 s=90-120,l=95-125
│ │ 387 s=24-32,l=29-37
────────────────┼─────────────────────────┼────────────────────────────────
FIADD memint │ fiadd int16 │ 87 (w=102-137,d=108-143)+EA
│ fiadd warray[di] │ 287 w=102-137,d=108-143
│ fiadd double │ 387 w=71-85,d=57-72
────────────────┴─────────────────────────┴────────────────────────────────
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