Specifications

Instruction Fields
A = Register index of operand rA
B = Register index of operand rB
C = Register index of operand rC
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
A B C 0x06 0 0x3a
or
Instruction bitwise logical or
Operation
rC ← rA | rB
Assembler Syntax
or rC, rA, rB
Example
or r6, r7, r8
Description
Calculates the bitwise logical OR of rA and rB and stores the
result in rC.
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 0x16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0x16 0 0x3a
orhi
Instruction
bitwise logical or immediate into high halfword
Operation
rB ← rA | (IMM16 : 0x0000)
Assembler Syntax
orhi rB, rA, IMM16
Example
orhi r6, r7, 100
8-64
or
NII51017
2015.04.02
Altera Corporation
Instruction Set Reference
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