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UMSUBL
Unsigned Multiply-Subtract Long.
This instruction is used by the alias UMNEGL.
Syntax
UMSUBL
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 minuend.
Operation
Unsigned Multiply-Subtract Long multiplies two 32-bit register values, subtracts the product from a 64-bit register value, and writes the result to the 64-bit destination register.
Xd = Xa - Wn * Wm.