MC68LC040RC25A Datasheet, PDF (434/442 Pages) Freescale Semiconductor, Inc – M68040 Users Manual

Freescale Semiconductor, Inc.
Table E-2 list the arithmetic and transcendental instructions that the M68040FPSP
implements for the MC68040. New instructions have been added to the
MC68881/MC68882 base instructions.
Table E-2. M68040FPSP Floating-Point Instructions
Arithmetic Instructions
Name
Description
Name
Description
FADD*
Add
FSUB*
Subtract
FSADD*†
Single-Precision Add
FSSUB*†
Single-Precision Subtract
FDADD*†
Double-Precision Add
FDSUB*†
Double-Precision Subtract
FMUL*
Multiply
FDIV*
Divide
FSMUL*†
Single-Precision Multiply
FSDIV*†
Single-Precision Divide
FDMUL*†
Double-Precision Multiply
FDDIV*†
Double-Precision Divide
FINT
Integer Part
FINTRZ
Integer Part (Truncated)
FABS*
Absolute Value
FNEG*
Negate
FGETEXP
Get Exponent
FGETMAN
Get Mantissa
FTST*
Test Operand
FCMP*
Compare
FREM
IEEE Remainder
FSCALE
Scale Exponent
FMOVE*
Move FP Data Register
FSMOVE*
Single-Precision Move
FDMOVE*
Double-Precision Move
FSQRT*
Square Root
FSSQRT*
Single-Precision Square Root
FDSQRT*
Double-Precision Square Root
FMOD
Modulo Remainder
FSMOD
Single-Precision Modulo Remainder
FDMOD
Double-Precision Modulo Remainder
Transcendental Instructions
Name
Description
Name
Description
FCO S
Cosine
FSIN
Sine
FACOS
Arc Cosine
FAS I N
Arc Sine
FCOSH
Hyperbolic Cosine
FSINH
Hyperbolic Sine
FSINCOS
Simultaneous Sine & Cosine
FATAN
Arc Tangent
FTAN
Tangent
FATANH
Hyperbolic Arc Tan
FTANH
Hyperbolic Tangent
FLOG10
Log Base 10
FLOG2
Log Base 2
FLOGNP1
Log Base e of (x + 1)
FLOGN
Log Base e
FETOXM1
(e to the x Power) –1
FETOX
e to the x Power
FTWOTOX
2 to the x Power
FTENTOX
10 to the x Power
*The MC68040 provides these functions for all data formats except single, double, and extended denormalized data
types and extended unnormalized data types. The M68040FPSP provides the functions for the special data types.
†Additional functions not provided by the MC68881/MC68882.
MOTOROLA
M68040 USER’S MANUAL
E-3
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