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NGC

Negate with Carry.

This instruction is an alias of SBC.

Syntax

NGC Wd, Wm ; 32-bit general registers

Equivalent to SBC Wd, WZR, Wm.

NGC Xd, Xm ; 64-bit general registers

Equivalent to SBC Xd, XZR, Xm.

Where:

Wd

Is the 32-bit name of the general-purpose destination register.

Wm

Is the 32-bit name of the general-purpose source register.

Xd

Is the 64-bit name of the general-purpose destination register.

Xm

Is the 64-bit name of the general-purpose source register.

Operation

Negate with Carry negates the sum of a register value and the value of NOT (Carry flag), and writes the result to the destination register.

Rd = 0 - Rm - 1 + C, where R is either W or X.

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