Renesas M32R-FPU User Manual

Page 141

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3

3-103

M32R-FPU Software Manual (Rev.1.01)

SRA

SRA

shift instruction

Shift right arithmetic

[Mnemonic]

SRA Rdest,Rsrc

[Function]

Arithmetic right shift

Rdest = ( signed ) Rdest >> ( Rsrc & 31 ) ;

[Description]

SRA right arithmetic-shifts the contents of Rdest by the number specified by Rsrc, replicates

the sign bit in the MSB of Rdest and puts the result in Rdest.

Only the five least significant bits are used.

The condition bit (C) is unchanged.

[EIT occurrence]

None

[Encoding]

dest

0001

src

0010

SRA Rdest,Rsrc

INSTRUCTIONS

3.2 Instruction description

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