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Altera Corporation 65
3232323232-Bit Instruction Set
2
32-Bit Instruction
Set
LSR
Logical Shift Right
Operation:
RA ← (RA >> RB[4..0]), zero-fill from left
Assembler Syntax: LSR %rA,%rB
Example: LSR %L3,%g0 ; Shift %L3 right by %g0 bits
Description: The value in RA is shifted-right by the number of bits indicated by RB [4..0] (bits
RB[31..5] are ignored). The result is zero-filled from the left.
Condition Codes: Flags: Unaffected
Instruction Format: RR
Instruction Fields: A = Register index of RA operand
B = Register index of RB operand
1514131211109876543210
001000 B A
NVZC
−−−−