Fmadd, Instructions – Renesas M32R-FPU User Manual

Page 84

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3

3-46

M32R-FPU Software Manual (Rev.1.01)

INSTRUCTIONS

3.2 Instruction description

DN=1

Value after Multiplication Operation

Value after Addition Operation

IVLD: Invalid Operation Exception

UIPL: Unimplemented Exception

NaN: Not a Number

SNaN: Signaling NaN

QNaN: Quiet NaN

Note: The rounding mode is “-0” when rounding toward “-Infinity”, and “+0” when rounding

toward any other direction.

Rsrc1

Rsrc2

QNaN

QNaN

SNaN

QNaN

SNaN

+0, +

+0, +

-0, -

-0, -

+0

+0

+Infinity

+Infinity

Infinity

IVLD

-Infinity

-Infinity

IVLD

IVLD

-Infinity

+Infinity

Infinity

-0

-0

+Infinity

-Infinity

Normalized

Number

Normalized

Number

Multiplication

Denormalized

Number

Denormalized

Number

Denormalized

Number

Denormalized

Number

Value after Multiplication Operation

(Note)

(Note)

QNaN

QNaN

QNaN

SNaN

+0

+0

-0

-0

+0

+Infinity

+Infinity

IVLD

IVLD

IVLD

-Infinity

-Infinity

-Infinity

-Infinity

-0

+Infinity

-Infinity

Rdest

Normalized

Number

Normalized

Number

Multiplication

FMADD

FMADD

floating point Instructions

Floating-point multiply and add

[M32R-FPU Extended Instruction]

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