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

Assembler syntax
UMAAL , , ,
where:
See Standard assembler syntax fields on page A8-7.
Instruction Details
Supplies one of the 32 bit values to be added, and is the destination register for the lower
32 bits of the result.
Supplies the other of the 32 bit values to be added, and is the destination register for the
upper 32 bits of the result.
The register that contains the first multiply operand.
The register that contains the second multiply operand.
Operation
if ConditionPassed() then
EncodingSpecificOperations();
result = UInt(R[n]) * UInt(R[m]) + UInt(R[dHi]) + UInt(R[dLo]);
R[dHi] = result;
R[dLo] = result;
Exceptions
None.
ARM DDI 0406B Copyright © 1996-1998, 2000, 2004-2008 ARM Limited. All rights reserved. A8-483