Specifications

cmpne
Instruction compare not equal
Operation
if (rA != rB)
then rC ← 1
else rC ← 0
Assembler Syntax
cmpne rC, rA, rB
Example
cmpne r6, r7, r8
Description
If rA != rB, then stores 1 to rC; otherwise stores 0 to rC.
Usage
cmpne performs the != operation of the C programming
language.
Exceptions
None
Instruction Type
R
Instruction Fields
A = Register index of operand rA
B = Register index of operand rB
C = Register index of operand rC
Bit Fields
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
A B C 0x18
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0x18 0 0x3a
cmpnei
Instruction
compare not equal immediate
Operation
if (rA != σ(IMM16))
then rB ← 1
else rB ← 0
Assembler Syntax
cmpnei rB, rA, IMM16
Example
cmpnei r6, r7, 100
NII51017
2015.04.02
cmpne
8-33
Instruction Set Reference
Altera Corporation
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