Specifications

cmplt
Instruction compare less than signed
Operation
if ((signed) rA < (signed) rB)
then rC ← 1
else rC ← 0
Assembler Syntax
cmplt rC, rA, rB
Example
cmplt r6, r7, r8
Description
If rA < rB, then stores 1 to rC; otherwise stores 0 to rC.
Usage
cmplt performs the signed < 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 0x10
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0x10 0 0x3a
cmplti
Instruction
compare less than signed immediate
Operation
if ((signed) rA < (signed) σ(IMM16))
then rB ← 1
else rB ← 0
Assembler Syntax
cmplti rB, rA, IMM16
Example
cmplti r6, r7, 100
8-30
cmplt
NII51017
2015.04.02
Altera Corporation
Instruction Set Reference
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