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MVN
Bitwise NOT.
This instruction is an alias of ORN (shifted register).
The equivalent instruction is ORN .Wd, WZR, Wm{, shift #amount}
Syntax
MVN
Wd, Wm{, shift #amount} ; 32-bit
MVN
Xd, Xm{, shift #amount} ; 64-bit
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.
amount-
Depends on the instruction variant:
- 32-bit general registers
- Is the shift amount, in the range 0 to 31, defaulting to 0.
- 64-bit general registers
- Is the shift amount, in the range 0 to 63, defaulting to 0.
Xd- Is the 64-bit name of the general-purpose destination register.
Xm- Is the 64-bit name of the general-purpose source register.
shift-
Is the optional shift to be applied to the final source, defaulting to LSL, and can be one of
LSL,LSR,ASR, orROR.
Operation
Bitwise NOT writes the bitwise inverse of a register value to the destination register.
Rd = NOT shift(Rm, amount)RW or X.