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16.125 SMNEGL
Signed Multiply-Negate Long.
This instruction is an alias of SMSUBL.
Syntax
SMNEGL Xd, Wn, Wm
Equivalent to SMSUBL .Xd, Wn, Wm, XZR
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.
Operation
Signed Multiply-Negate Long multiplies two 32-bit register values, negates the product, and writes the result to the 64-bit destination register.
Xd = -(Wn * Wm).