avr.c (out_movsi_r_mr, [...]): Do not output undefined opcodes where source or...

avr.c (out_movsi_r_mr, [...]): Do not output undefined opcodes where source or destination register overlaps...

	* config/avr/avr.c (out_movsi_r_mr, out_movsi_mr_r, out_movhi_mr_r):
	Do not output undefined opcodes where source or destination register
	overlaps with modified pointer register.  Handle (X + d) addresses.
	* config/avr/avr.md (*movhi, *movsi, *movsf): Correct insn length
	in alternatives with memory operand.

From-SVN: r38405