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3-103 M32R-FPU Software Manual (Rev.1.01)

SRASRA

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]

dest0001 src0010 SRA Rdest,Rsrc

INSTRUCTIONS

3.2 Instruction description

1 2 ... 136 137 138 139 140 141 142 143 144 145 146 ... 193 194

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