16.83 MNEG
Multiply-Negate.
This instruction is an alias of MSUB.
Syntax
MNEG Wd, Wn, Wm ; 32-bit general registers
Equivalent to MSUB .Wd, Wn, Wm, WZR
MNEG Xd, Xn, Xm ; 64-bit general registers
Equivalent to MSUB .Xd, Xn, Xm, XZR
Where:
Wd-
Is the 32-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.
Xd-
Is the 64-bit name of the general-purpose destination register.
Xn-
Is the 64-bit name of the first general-purpose source register holding the multiplicand.
Xm-
Is the 64-bit name of the second general-purpose source register holding the multiplier.
Operation
Multiply-Negate multiplies two register values, negates the product, and writes the result to the destination register.
Rd = -(Rn * Rm)RW or X.