public JitVal truncFromRight(Varnode in1Vn, int amt, JitVal in1) {
		Varnode outVn = new Varnode(in1Vn.getAddress(), in1Vn.getSize() - amt);
		return subpiece(outVn, endian.isBigEndian() ? amt : 0, in1);
	}
Remove {@code amt} bytes from the right of the <em>varnode</em>.

<p>
"Right" is considered with respect to the machine endianness. If it is little endian, then
the byte are shaved from the <em>left</em> of the value. This should be used when getting
values from the state to remove pieces from off-cut values. It should be applied before the
pieces are ordered according to machine endianness.

@param in1Vn the varnode representing the input
@param amt the number of bytes to remove
@param in1 the input (really a value read from the state)
@return the resulting value
Ghidra/Framework/Emulation/src/main/java/ghidra/pcode/emu/jit/analysis/JitDataFlowArithmetic.java