Xilinx MicroBlaze Reference Manual page 264

sext16
Sign Extend Halfword
sext16
1 0 0 1 0 0
0 6
Description
This instruction sign-extends a halfword (16 bits) into a word (32 bits). Bit 16 in rA will be copied
into bits 0-15 of rD. Bits 16-31 in rA will be copied into bits 16-31 of rD.
Pseudocode
(rD)[0:15]
(rD)[16:31]
Registers Altered
• rD
Latency
• 1 cycle
MicroBlaze Processor Reference Guide
UG984 (v2016.2) June 8, 2016
UG984 (v2016.1) April 6, 2016
rD, rA
rD rA
1
1
←
(rA)[16]
←
(rA)[16:31]
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Chapter 5: MicroBlaze Instruction Set Architecture
0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1
1
6
3
1
264
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