public MaskedLong shiftRight(long n) {
		if (n == 0) {
			return this;
		}
		return fromMaskAndValue(this.msk >> n, this.val >> n);
	}
Shift the bits arithmetically {@code n} positions right

<p>
This implements a signed shift.

@param n the number of positions.
@return the result.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/app/plugin/assembler/sleigh/expr/MaskedLong.java