TMPR4956C datasheet(270/286 Pages) TOSHIBA

270 / 286 page

Chapter16 FPU Instruction Set Details

16-6

Table 16.4.2 Floating-Point Instructions and Operations

Function[5:0]

Mnemonic

Operation

ADD

Add

SUB

Subtract

MUL

Multiply

DIV

Divide

SQRT

Square root

ABS

Absolute value

MOV

Move

NEG

Negate

ROUND.L

Convert to single fixed-point, rounded to nearest/even

TRUNC.L

Convert to single fixed-point, rounded toward zero

CEIL.L

Convert to single fixed-point, rounded to

+∞

FLOOR.L

Convert to single fixed-point, rounded to

−∞

ROUND.W

Convert to single fixed-point, rounded to nearest/even

TRUNC.W

Convert to single fixed-point, rounded toward zero

CEIL.W

Convert to single fixed-point, rounded to

+∞

FLOOR.W

Convert to single fixed-point, rounded to

−∞

16 to 31

–

Reserved

CVT.S

Convert to single floating-point

CVT.D

Convert to double floating-point

–

Reserved

–

Reserved

CVT.W

Convert to binary fixed-point

CVT.L

Convert to 64-bit binary fixed-point

38 to 47

–

Reserved

48 to 63

Floating-point compare

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