* calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
	* explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
	* function.c (assign_parms): Likewise.
	* integrate.c (expand_inline_function): Likewise.
	* stmt.c (expand_decl): Likewise.
	(copy_rtx_and_substitute): Likewise.
	* expr.c (expand_expr, expand_expr_unaligned): Likewise.
 	(clear_by_pieces): Fix error in last change.
	* emit-rtl.c (init_emit): Set known registers alignment in bits.
	* function.h (regno_pointer_align): Now unsigned.
	* config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
	is in bits.
	* config/i386/i386.c (aligned_operand): Likewise.
	* config/sparc/sparc.c (mem_min_alignment): Likewise.
	* config/alpha/alpha.c (aligned_memory_operand): Likewise.
	(unaligned_memory_operand): Likewise.
	(alpha_expand_block_move, alpha_expand_block_clear): Likewise.
	Also make alignments and sizes unsigned and some whitespace cleanup.
	(alpha_va_start): Do nothing if VALIST's type is error_mark_node.

From-SVN: r32829