MicroBlaze Processor Reference Guide 268
UG984 (v2018.2) June 21, 2018 www.xilinx.com
Chapter 5: MicroBlaze Instruction Set Architecture
pcmpeq
Pattern Compare Equal
pcmpeq
rD, rA, rB
equality comparison with a positive boolean result
1 0 0 0 1 0 rD rA rB 1 0 0 0 0 0 0 0 0 0 0
0 6 11 16 21
31
Description
The contents of register rA is compared with the contents in register rB.
• rD is loaded with 1 if they match, and 0 if not
Pseudocode
if (rB) = (rA) then
(rD)
← 1
else
(rD) ← 0
Registers Altered
•rD
Latency
• 1 cycle
Note
This instruction is only available when the parameter C_USE_PCMP_INSTR is set to 1.
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