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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