* emit-rtl.c (gen_reg_rtx): Also reallocate reg_decl array.
	(offset_address): New function.
	(free_emit_status): Free regno_decl.
	(init_emit): Pass proper number of elements to xcalloc.
	Allocate regno_decl.
	(mark_emit_status): Mark regno_decl values.
	* expr.c (highest_pow2_factor): New function.
	(expand_assigment): Use it and offset_address.
	Properly handle ptr_mode vs. Pmode in offset calculation.
	(store_constructor, expand_expr_unaligned): Likewise.
	(expand_expr, case COMPONENT_EXPR): Likewise.
	* expr.h (offset_address): New decl.
	* function.h (struct emit_status): Add regno_decl.
	(REGNO_DECL): New macro.
	* final.c (output_asm_name): Move in file and don't conditionalize
	on flag_print_asm_name.
	(output_asm_insn): Only call output_asm_name if flag_print_asm_name.
	Output names of operands, if known.
	* function.c (assign_parms): Set REGNO_DECL.
	* integrate.c (integrate_decl_tree): Likewise.
	* stmt.c (expand_decl): Likewise.
	* regclass.c (reg_scan_mark_refs): Propagate REGNO_DECL for copies.

From-SVN: r46337