* passes.c (ipa_write_summaries_1): Call lto_output_init_mode_table.
	(ipa_write_optimization_summaries): Likewise.
	* tree-streamer.h: Include data-streamer.h.
	(streamer_mode_table): Declare extern variable.
	(bp_pack_machine_mode, bp_unpack_machine_mode): New inline functions.
	* lto-streamer-out.c (lto_output_init_mode_table,
	lto_write_mode_table): New functions.
	(produce_asm_for_decls): Call lto_write_mode_table when streaming
	offloading LTO.
	* lto-section-in.c (lto_section_name): Add "mode_table" entry.
	(lto_create_simple_input_block): Add mode_table argument to the
	lto_input_block constructors.
	* ipa-prop.c (ipa_prop_read_section, read_replacements_section):
	Likewise.
	* data-streamer-in.c (string_for_index): Likewise.
	* ipa-inline-analysis.c (inline_read_section): Likewise.
	* ipa-icf.c (sem_item_optimizer::read_section): Likewise.
	* lto-cgraph.c (input_cgraph_opt_section): Likewise.
	* lto-streamer-in.c (lto_read_body_or_constructor,
	lto_input_toplevel_asms): Likewise.
	(lto_input_mode_table): New function.
	* tree-streamer-out.c (pack_ts_fixed_cst_value_fields,
	pack_ts_decl_common_value_fields, pack_ts_type_common_value_fields):
	Use bp_pack_machine_mode.
	* real.h (struct real_format): Add name field.
	* lto-streamer.h (enum lto_section_type): Add LTO_section_mode_table.
	(class lto_input_block): Add mode_table member.
	(lto_input_block::lto_input_block): Add mode_table_ argument,
	initialize mode_table.
	(struct lto_file_decl_data): Add mode_table field.
	(lto_input_mode_table, lto_output_init_mode_table): New prototypes.
	* tree-streamer-in.c (unpack_ts_fixed_cst_value_fields,
	unpack_ts_decl_common_value_fields,
	unpack_ts_type_common_value_fields): Call bp_unpack_machine_mode.
	* tree-streamer.c (streamer_mode_table): New variable.
	* real.c (ieee_single_format, mips_single_format,
	motorola_single_format, spu_single_format, ieee_double_format,
	mips_double_format, motorola_double_format,
	ieee_extended_motorola_format, ieee_extended_intel_96_format,
	ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
	ibm_extended_format, mips_extended_format, ieee_quad_format,
	mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
	decimal_single_format, decimal_double_format, decimal_quad_format,
	ieee_half_format, arm_half_format, real_internal_format): Add name
	field.
	* config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
lto/
	* lto.c (lto_mode_identity_table): New variable.
	(lto_read_decls): Add mode_table argument to the lto_input_block
	constructor.
	(lto_file_finalize): Initialize mode_table.
	(lto_init): Initialize lto_mode_identity_table.

From-SVN: r221005