* tree-ssa-math-opts.c (nop_stats, bswap_stats, struct symbolic_number,
	BITS_PER_MARKER, MARKER_MASK, MARKER_BYTE_UNKNOWN, HEAD_MARKER, CMPNOP,
	CMPXCHG, do_shift_rotate, verify_symbolic_number_p,
	init_symbolic_number, find_bswap_or_nop_load, perform_symbolic_merge,
	find_bswap_or_nop_1, find_bswap_or_nop, pass_data_optimize_bswap,
	class pass_optimize_bswap, bswap_replace,
	pass_optimize_bswap::execute): Moved to ...
	* gimple-ssa-store-merging.c: ... this file.
	Include optabs-tree.h.
	(nop_stats, bswap_stats, do_shift_rotate, verify_symbolic_number_p,
	init_symbolic_number, find_bswap_or_nop_load, perform_symbolic_merge,
	find_bswap_or_nop_1, find_bswap_or_nop, bswap_replace): Put into
	anonymous namespace, remove static keywords.
	(pass_optimize_bswap::gate): Test BITS_PER_UNIT == 8 here...
	(pass_optimize_bswap::execute): ... rather than here.  Formatting fix.

From-SVN: r254947