i386.c (ix86_decompose_address): Use lowpart_subreg instead of simplify_gen_subreg...

i386.c (ix86_decompose_address): Use lowpart_subreg instead of simplify_gen_subreg (...

	* config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
	instead of simplify_gen_subreg (... , 0).
	(ix86_delegitimize_address): Ditto.
	(ix86_split_divmod): Ditto.
	(ix86_split_copysign_const): Ditto.
	(ix86_split_copysign_var): Ditto.
	(ix86_expand_args_builtin): Ditto.
	(ix86_expand_round_builtin): Ditto.
	(ix86_expand_special_args_builtin): Ditto.
	* config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
	(TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
	(udivmodqi4): Ditto.
	(absneg splitters): Ditto.
	(*jcc_bt<mode>_1): Ditto.

From-SVN: r235207