avr.c (avr_legitimize_address): Force constant addresses outside [0,0xc0] into a...

avr.c (avr_legitimize_address): Force constant addresses outside [0,0xc0] into a register.

gcc/
	* gcc/config/avr.c (avr_legitimize_address) [AVR_TINY]: Force
	constant addresses outside [0,0xc0] into a register.
	(avr_out_movhi_r_mr_reg_no_disp_tiny): Pass insn.  And handle
	cases where the base address register is unused after.
	(avr_out_movhi_r_mr_reg_disp_tiny): Same.
	(avr_out_movhi_mr_r_reg_disp_tiny): Same.
	(avr_out_store_psi_reg_disp_tiny): Same.

gcc/testsuite/
	* gcc.target/avr/torture/get-mem.c: New test.
	* gcc.target/avr/torture/set-mem.c: New test.

From-SVN: r238528