Xilinx MicroBlaze Reference Manual page 247

sra
Shift Right Arithmetic
sra
1 0 0 1 0 0
0 6
Description
Shifts arithmetically the contents of register rA, one bit to the right, and places the result in rD. The
most significant bit of rA (that is, the sign bit) placed in the most significant bit of rD. The least
significant bit coming out of the shift chain is placed in the Carry flag.
Pseudocode
Registers Altered
•
•
Latency
•
MicroBlaze Processor Reference Guide
UG081 (v14.7)
rD, rA
rD rA
1
1
←
(rD)[0] (rA)[0]
←
(rD)[1:31] (rA)[0:30]
←
MSR[C] (rA)[31]
rD
MSR[C]
1 cycle
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0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
1
6
Instructions
3
1
247
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