dumpfile.c: New file with parts moved from tree-dump.c.

dumpfile.c: New file with parts moved from tree-dump.c.

2012-09-30  Sharad Singhai  <singhai@google.com>

	* dumpfile.c: New file with parts moved from tree-dump.c.
	(pflags): New variable.
	(alt_flags): Ditto.
	(alt_dump_file): Ditto.
	(dump_files):  Update to include additional fields.
	(struct dump_option_value_info): Add additional entries.
	(get_dump_file_name): Use command line filename if available.
	(dump_open_alternate_stream): New function.
	(dump_loc): Ditto.
	(dump_gimple_stmt): Ditto.
	(dump_gimple_stmt_loc): Ditto.
	(dump_generic_expr): Ditto.
	(dump_generic_expr_loc): Ditto.
	(dump_printf): Ditto.
	(dump_printf_loc): Ditto.
	(dump_start): Ditto.
	(dump_finish): Ditto.
	(dump_begin): Ditto.
	(dump_enabled_p): Return true if either of the dump types is enabled.
	(dump_initialized_p): Return true if either type of dump is initialized.
	(dump_end): Do not close standard streams.
	(dump_enable_all): Handle filenames for regular dumps.
	(dump_switch_p_1): Handle command-line dump filenames.
	(opt_info_enable_all): New function.
	(opt_info_switch_p_1): Ditto.
	(opt_info_switch_p): Ditto.
	(dump_kind_p): Ditto.
	(dump_basic_block): Ditto.
	(dump_combine_total_stats): Ditto.
	(dump_remap_tree_vectorizer_verbose): Ditto.
	* gimple-pretty-print.h: Rename dump_gimple_stmt to
	pp_gimple_stmt_1.  All callers updated.

From-SVN: r191884