re PR target/52483 (SH Target: Loads from volatile memory leave redundant sign/zero...

re PR target/52483 (SH Target: Loads from volatile memory leave redundant sign/zero extensions)

	PR target/52483
	* config/sh/predicates.md (general_extend_operand): Invoke
	general_movsrc_operand for memory operands.
	(general_movsrc_operand): Allow reg+reg addressing, do not use
	general_operand for memory operands.

	PR target/52483
	* gcc.target/sh/pr52483-1.c: New.
	* gcc.target/sh/pr52483-2.c: New.
	* gcc.target/sh/pr52483-3.c: New.
	* gcc.target/sh/pr52483-4.c: New.
	* gcc.target/sh/pr52483-5.c: New.

From-SVN: r200350