ARM Architecture Reference Manual ARMv7-A and ARMv7-R edition

Assembler syntax
ORN{S} {,} , #
where:
Instruction Details
S If S is present, the instruction updates the flags. Otherwise, the flags are not updated.
See Standard assembler syntax fields on page A8-7.
The destination register.
The register that contains the operand.
The immediate value to be bitwise inverted and ORed with the value obtained from .
See Modified immediate constants in Thumb instructions on page A6-17 for the range of
values.
Operation
if ConditionPassed() then
EncodingSpecificOperations();
result = R[n] OR NOT(imm32);
R[d] = result;
if setflags then
APSR.N = result;
APSR.Z = IsZeroBit(result);
APSR.C = carry;
// APSR.V unchanged
Exceptions
None.
ARM DDI 0406B Copyright © 1996-1998, 2000, 2004-2008 ARM Limited. All rights reserved. A8-225