16.167 UMADDL

Unsigned Multiply-Add Long.

This instruction is used by the alias UMULL.

Syntax

UMADDL Xd, Wn, Wm, Xa

Where:

Xd
Is the 64-bit name of the general-purpose destination register.
Wn
Is the 32-bit name of the first general-purpose source register holding the multiplicand.
Wm
Is the 32-bit name of the second general-purpose source register holding the multiplier.
Xa
Is the 64-bit name of the third general-purpose source register holding the addend.

Operation

Unsigned Multiply-Add Long multiplies two 32-bit register values, adds a 64-bit register value, and writes the result to the 64-bit destination register.

Xd = Xa + Wn * Wm.

Non-ConfidentialPDF file icon PDF versionDUI0801J
Copyright © 2014–2017, 2019 Arm Limited or its affiliates. All rights reserved.