re PR target/33388 (fr30: ICE: RTL check: expected code 'reg', have 'subreg'...

re PR target/33388 (fr30: ICE: RTL check: expected code 'reg', have 'subreg' in rhs_regno, at rtl.h:983)

	PR target/33388
	PR target/33397
	* config/fr30/fr30.md (addsi3): Check REG_P() before calling REGNO().
	(addsi_small_int): Likewise.
	(addsi_big_int): Use rtx_equal_p() instead of REGNO() comparison.
	(one_cmplsi2): Likewise.
	(negsi2): Delete.
	(enter_func): Expand insn using hard_frame_pointer_rtx and
	stack_pointer_rtx.
	(*enter_func): New.
	* config/fr30/fr30.c (fr30_expand_prologue): Check for
	hard_frame_pointer_rtx instead of using REGNO() check.
	Properly sign extend GEN_INT() argument.

From-SVN: r128577