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1 new GCC HEAD@171653 regression


With your recent patch, GCC HEAD revision 171653 had problems on:
native: regress-52 (1 NEW failures)
The previous build was of revision 171639.

Regressions for native:
old   g++.sum g++.dg/eh/simd-3.C
old   g++.sum g++.dg/eh/simd-4.C
old   g++.sum g++.dg/ext/altivec-cell-1.C
old   gcc.sum gcc.c-torture/compile/900116-1.c
old   gcc.sum gcc.c-torture/execute/20000801-1.c
old   gcc.sum gcc.c-torture/execute/20040811-1.c
old   gcc.sum gcc.c-torture/execute/pr22061-4.c
old   gcc.sum gcc.dg/20020103-1.c
old   gcc.sum gcc.dg/sms-2.c
old   gcc.sum gcc.dg/sms-3.c
old   gcc.sum gcc.dg/sms-4.c
old   gcc.sum gcc.dg/sms-5.c
old   gcc.sum gcc.dg/sms-6.c
old   gcc.sum gcc.dg/sms-7.c
old   gcc.sum gcc.dg/vect/pr38529.c
old   gcc.sum gcc.dg/vect/slp-13.c
old   gcc.sum gcc.dg/vect/slp-21.c
old   gcc.sum gcc.dg/vect/vect-10.c
old   gcc.sum gcc.dg/vect/vect-complex-5.c
old   gcc.sum gcc.dg/vect/vect-outer-1.c
old   gcc.sum gcc.dg/vect/vect-outer-1a.c
old   gcc.sum gcc.dg/vect/vect-outer-1b.c
old   gcc.sum gcc.dg/vect/vect-outer-4f.c
old   gcc.sum gcc.dg/vect/vect-outer-4g.c
old   gcc.sum gcc.dg/vect/vect-outer-4k.c
old   gcc.sum gcc.dg/vect/vect-outer-4l.c
old   gcc.sum gcc.dg/vect/vect-strided-a-mult.c
old   gcc.sum gcc.dg/vect/vect-strided-a-u16-i2.c
old   gcc.sum gcc.dg/vect/vect-strided-a-u16-i4.c
old   gcc.sum gcc.dg/vect/vect-strided-a-u16-mult.c
old   gcc.sum gcc.dg/vect/vect-strided-a-u8-i2-gap.c
old   gcc.sum gcc.dg/vect/vect-strided-a-u8-i8-gap2.c
old   gcc.sum gcc.dg/vect/vect-strided-a-u8-i8-gap7.c
old   gcc.sum gcc.dg/vect/vect-strided-mult-char-ls.c
old   gcc.sum gcc.dg/vect/vect-strided-mult.c
old   gcc.sum gcc.dg/vect/vect-strided-same-dr.c
old   gcc.sum gcc.dg/vect/vect-strided-u16-i2.c
old   gcc.sum gcc.dg/vect/vect-strided-u16-i4.c
old   gcc.sum gcc.dg/vect/vect-strided-u8-i2-gap.c
old   gcc.sum gcc.dg/vect/vect-strided-u8-i2.c
old   gcc.sum gcc.dg/vect/vect-strided-u8-i8-gap2.c
old   gcc.sum gcc.dg/vect/vect-strided-u8-i8-gap4.c
old   gcc.sum gcc.dg/vect/vect-strided-u8-i8-gap7.c
old   gcc.sum gcc.dg/vect/vect-strided-u8-i8.c
old   gcc.sum gcc.dg/vect/vect-vfa-03.c
old   gcc.sum gcc.target/powerpc/405-dlmzb-strlen-1.c
old   gcc.sum gcc.target/powerpc/440-dlmzb-strlen-1.c
old   gcc.sum gcc.target/powerpc/ppc-vector-memcpy.c
NEW   gfortran.sum gfortran.dg/g77/20010519-1.f
old   libjava.sum Thread_Sleep_2
old   libstdc++.sum ext/mt_allocator/deallocate_global_thread-1.cc
old   libstdc++.sum ext/mt_allocator/deallocate_global_thread-3.cc

Log information for changes since the last build:
------------------------------------------------------------------------
r171640 | jakub | 2011-03-28 16:53:46 -0700 (Mon, 28 Mar 2011) | 19 lines
Changed paths:
   M /trunk/gcc/ChangeLog
   M /trunk/gcc/cfgexpand.c
   M /trunk/gcc/cselib.c
   M /trunk/gcc/dwarf2out.c
   M /trunk/gcc/testsuite/ChangeLog
   A /trunk/gcc/testsuite/gcc.dg/pr48203.c
   M /trunk/gcc/var-tracking.c

	PR debug/48203
	* cfgexpand.c (expand_debug_expr) <case SSA_NAME>: Only
	create ENTRY_VALUE if incoming or address of incoming's MEM
	is a hard REG.
	* dwarf2out.c (mem_loc_descriptor): Don't emit
	DW_OP_GNU_entry_value of DW_OP_fbreg.
	* var-tracking.c (vt_add_function_parameter): Ensure cselib_lookup
	on ENTRY_VALUE is able to find the canonical parameter VALUE.
	* cselib.c (rtx_equal_for_cselib_1) <case ENTRY_VALUE>: Use
	rtx_equal_p instead of rtx_equal_for_cselib_1 to compare
	ENTRY_VALUE_EXPs.
	(cselib_hash_rtx) <case ENTRY_VALUE>: If ENTRY_VALUE_EXP
	is a REG_P or MEM_P with REG_P address, compute hash directly
	instead of calling cselib_hash_rtx on ENTRY_VALUE_EXP.
	(preserve_only_constants): Don't clear VALUES forwaring
	ENTRY_VALUE to some other VALUE.

	* gcc.dg/pr48203.c: New test.

------------------------------------------------------------------------
r171641 | ian | 2011-03-28 16:54:33 -0700 (Mon, 28 Mar 2011) | 2 lines
Changed paths:
   M /trunk/gcc/go/gofrontend/expressions.cc
   M /trunk/gcc/go/gofrontend/types.cc
   M /trunk/gcc/go/gofrontend/types.h
   M /trunk/gcc/testsuite/go.test/test/fixedbugs/bug226.dir/y.go

Permit copying hidden fields when passing method receiver.

------------------------------------------------------------------------
r171642 | jakub | 2011-03-28 16:55:47 -0700 (Mon, 28 Mar 2011) | 49 lines
Changed paths:
   M /trunk/gcc/ChangeLog
   M /trunk/gcc/dwarf2out.c

	PR debug/48253
	* dwarf2out.c (struct dw_fde_struct): Remove dw_fde_hot_section_label,
	dw_fde_hot_section_end_label, dw_fde_unlikely_section_label,
	dw_fde_unlikely_section_end_label, cold_in_std_section,
	dw_fde_switched_sections and dw_fde_switched_cold_to_hot fields.
	Add dw_fde_second_begin, dw_fde_second_end and second_in_std_section
	fields.
	(output_fde): Use dw_fde_second_{begin,end} if second is
	true, otherwise dw_fde_{begin,end}.
	(output_call_frame_info): Test dw_fde_second_begin != NULL
	instead of dw_fde_switched_sections.
	(dwarf2out_begin_prologue): Stop initializing removed dw_fde_struct
	fields, initialize new fields.  Initialize in_std_section
	unconditionally from the first partition.
	(dwarf2out_end_epilogue): Don't override dw_fde_end when
	dw_fde_second_begin is non-NULL.
	(dwarf2out_switch_text_section): Stop initializing removed
	dw_fde_struct fields, initialize new fields, initialize
	also dw_fde_end here.  Set dw_fde_switch_cfi even when
	dwarf2out_do_cfi_asm ().  Call var_location_switch_text_section.
	(struct var_loc_list_def): Add last_before_switch field.
	(arange_table, arange_table_allocated, arange_table_in_use,
	ARANGE_TABLE_INCREMENT, add_arange): Removed.
	(size_of_aranges): Count !in_std_section and !second_in_std_section
	hunks in fdes, instead of looking at arange_table_in_use.
	(output_aranges): Add aranges_length argument, don't call
	size_of_aranges here.  Instead of using aranges_table*
	emit ranges for fdes when !in_std_section resp.
	!second_in_std_section.
	(dw_loc_list): Break ranges crossing section switch.
	(convert_cfa_to_fb_loc_list): Likewise.  If switched sections,
	use dw_fde_second_end instead of dw_fde_end as end of last
	range.
	(gen_subprogram_die): Don't call add_arange.  Use
	dw_fde_{begin,end} for first partition and if switched
	section dw_fde_second_{begin,end} for the second.
	(var_location_switch_text_section_1,
	var_location_switch_text_section): New functions.
	(dwarf2out_begin_function): Initialize cold_text_section even
	when function_section () isn't text_section.
	(prune_unused_types): Don't walk arange_table.
	(dwarf2out_finish): Don't needlessly test
	flag_reorder_blocks_and_partition when testing cold_text_section_used.
	If info_section_emitted, call size_of_aranges and if it indicates
	non-empty .debug_aranges, call output_aranges with the computed
	size.  Stop using removed dw_fde_struct fields, use
	dw_fde_{begin,end} for first partition and dw_fde_second_{begin,end}
	for second.

------------------------------------------------------------------------
r171643 | jason | 2011-03-28 17:04:54 -0700 (Mon, 28 Mar 2011) | 3 lines
Changed paths:
   M /trunk/gcc/cp/ChangeLog
   M /trunk/gcc/cp/pt.c
   M /trunk/gcc/testsuite/ChangeLog
   A /trunk/gcc/testsuite/g++.dg/cpp0x/rv-deduce2.C

	PR c++/48313
	* pt.c (maybe_adjust_types_for_deduction): Handle T&& deduction
	from overloaded function.
------------------------------------------------------------------------
r171648 | gccadmin | 2011-03-28 17:18:00 -0700 (Mon, 28 Mar 2011) | 1 line
Changed paths:
   M /trunk/gcc/DATESTAMP

Daily bump.
------------------------------------------------------------------------
r171649 | vmakarov | 2011-03-28 18:02:05 -0700 (Mon, 28 Mar 2011) | 597 lines
Changed paths:
   M /trunk/gcc/ChangeLog
   M /trunk/gcc/Makefile.in
   M /trunk/gcc/config/alpha/alpha.h
   M /trunk/gcc/config/arm/arm.h
   M /trunk/gcc/config/avr/avr.h
   M /trunk/gcc/config/bfin/bfin.h
   M /trunk/gcc/config/cris/cris.h
   M /trunk/gcc/config/fr30/fr30.h
   M /trunk/gcc/config/frv/frv.h
   M /trunk/gcc/config/h8300/h8300.h
   M /trunk/gcc/config/i386/i386.c
   M /trunk/gcc/config/i386/i386.h
   M /trunk/gcc/config/ia64/ia64.h
   M /trunk/gcc/config/iq2000/iq2000.h
   M /trunk/gcc/config/m32r/m32r.h
   M /trunk/gcc/config/m68k/m68k.h
   M /trunk/gcc/config/mcore/mcore.h
   M /trunk/gcc/config/mep/mep.h
   M /trunk/gcc/config/mips/mips.c
   M /trunk/gcc/config/mn10300/mn10300.h
   M /trunk/gcc/config/moxie/moxie.h
   M /trunk/gcc/config/pa/pa32-regs.h
   M /trunk/gcc/config/pa/pa64-regs.h
   M /trunk/gcc/config/picochip/picochip.h
   M /trunk/gcc/config/rs6000/rs6000.c
   M /trunk/gcc/config/rs6000/rs6000.h
   M /trunk/gcc/config/rx/rx.h
   M /trunk/gcc/config/s390/s390.h
   M /trunk/gcc/config/score/score.h
   M /trunk/gcc/config/sh/sh.h
   M /trunk/gcc/config/sparc/sparc.h
   M /trunk/gcc/config/spu/spu.h
   M /trunk/gcc/config/stormy16/stormy16.h
   M /trunk/gcc/config/v850/v850.h
   M /trunk/gcc/config/vax/vax.h
   M /trunk/gcc/config/xtensa/xtensa.h
   M /trunk/gcc/doc/tm.texi
   M /trunk/gcc/doc/tm.texi.in
   M /trunk/gcc/haifa-sched.c
   M /trunk/gcc/ira-build.c
   M /trunk/gcc/ira-color.c
   M /trunk/gcc/ira-conflicts.c
   M /trunk/gcc/ira-costs.c
   M /trunk/gcc/ira-emit.c
   M /trunk/gcc/ira-int.h
   M /trunk/gcc/ira-lives.c
   M /trunk/gcc/ira.c
   M /trunk/gcc/ira.h
   M /trunk/gcc/loop-invariant.c
   M /trunk/gcc/opts.c
   M /trunk/gcc/reginfo.c
   M /trunk/gcc/regmove.c
   M /trunk/gcc/rtl.h
   M /trunk/gcc/sched-deps.c
   M /trunk/gcc/sched-int.h
   M /trunk/gcc/system.h
   M /trunk/gcc/target-def.h
   M /trunk/gcc/target.def
   M /trunk/gcc/targhooks.c
   M /trunk/gcc/targhooks.h

2011-03-28  Vladimir Makarov  <vmakarov@redhat.com>

	* ira-color.c (update_left_conflict_sizes_p): Don't assume that
	conflict object hard regset nodes have intersecting hard reg sets.
	
	* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
	after regstat_init_n_sets_and_refs.

	* ira.c: Add more comments at the top.
	(setup_stack_reg_pressure_class, setup_pressure_classes):
	Add comments how we compute the register pressure classes.
	(setup_allocno_and_important_classes): Add more comments.
	(setup_class_translate_array, reorder_important_classes)
	(setup_reg_class_relations): Add comments.

	* ira-emit.c: Add 2011 to the Copyright line.  Add comments at the
	start of the file.

	* ira-color.c: Add 2011 to the Copyright line.
	(assign_hard_reg):  Add more comments.
	(improve_allocation): Ditto.

	* ira-costs.c: Add 2011 to the Copyright line.
	(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
	comments.
	(setup_regno_cost_classes_by_mode): Ditto.

	Initial patches from ira-improv branch:

	2010-08-13  Vladimir Makarov  <vmakarov@redhat.com>

	* ira-build.c: (ira_create_object): Remove initialization of
	OBJECT_PROFITABLE_HARD_REGS.  Initialize OBJECT_ADD_DATA.
	(ira_create_allocno): Remove initialization of
	ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
	ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
	ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
	ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
	ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
	Initialize ALLOCNO_ADD_DATA.
	(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
	and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
	ALLOCNO_REG.
	(ira_flattening): Ditto.  Use ALLOCNO_EMIT_DATA instead of
	ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.

	* ira.c (ira_reallocate): Remove.
	(setup_pressure_classes): Call
	ira_init_register_move_cost_if_necessary.  Use
	ira_register_move_cost instead of ira_get_register_move_cost.
	(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
	(ira): Call ira_initiate_emit_data and ira_finish_emit_data.

	* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
	ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
	ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
	ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
	instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
	OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
	Fix formatting.
	(object_hard_regs_t, object_hard_regs_node_t): Move from
	ira-int.h.
	(struct object_hard_regs, struct object_hard_regs_node): Ditto.
	(struct allocno_color_data): New.
	(allocno_color_data_t): New typedef.
	(allocno_color_data): New definition.
	(ALLOCNO_COLOR_DATA): New macro.
	(struct object_color_data): New.
	(object_color_data_t): New typedef.
	(object_color_data): New definition.
	(OBJECT_COLOR_DATA): New macro.
	(update_copy_costs, calculate_allocno_spill_cost): Call
	ira_init_register_move_cost_if_necessary.  Use
	ira_register_move_cost instead of ira_get_register_move_cost.
	(move_spill_restore, update_curr_costs): Ditto.
	(allocno_spill_priority): Make it inline.
	(color_pass): Allocate and free allocno_color_dat and
	object_color_data.
	(struct coalesce_data, coalesce_data_t): New.
	(allocno_coalesce_data): New definition.
	(ALLOCNO_COALESCE_DATA): New macro.
	(merge_allocnos, coalesced_allocno_conflict_p): Use
	ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
	ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
	(coalesce_allocnos): Ditto.
	(setup_coalesced_allocno_costs_and_nums): Ditto.
	(collect_spilled_coalesced_allocnos): Ditto.
	(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
	(setup_slot_coalesced_allocno_live_ranges): Ditto.
	(coalesce_spill_slots): Ditto.
	(ira_sort_regnos_for_alter_reg): Ditto.  Allocate, initialize and
	free allocno_coalesce_data.

	* ira-conflicts.c: Fix formatting.
	(process_regs_for_copy): Call
	ira_init_register_move_cost_if_necessary.  Use
	ira_register_move_cost instead of ira_get_register_move_cost.
	(build_object_conflicts): Optimize.

	* ira-costs.c (record_reg_classes): Optimize.  Call
	ira_init_register_move_cost_if_necessary.  Use
	ira_register_move_cost, ira_may_move_in_cost, and
	ira_may_move_out_cost instead of ira_get_register_move_cost and
	ira_get_may_move_cost.
	(record_address_regs): Ditto.
	(scan_one_insn): Optimize.
	(find_costs_and_classes): Optimize.
	(process_bb_node_for_hard_reg_moves): Call
	ira_init_register_move_cost_if_necessary.  Use
	ira_register_move_cost instead of ira_get_register_move_cost.

	* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
	ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
	ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
	(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
	definitions.
	(ira_initiate_emit_data, ira_finish_emit_data)
	(create_new_allocno): New functions.
	(modify_move_list): Call create_new_alloc instead of
	ira_create_allocno.
	(emit_move_list): Call ira_init_register_move_cost_if_necessary.
	Use ira_register_move_cost instead of ira_get_register_move_cost.

	* ira-int.h: Fix some comments.
	(object_hard_regs_t, object_hard_regs_node_t): Move
	to ira-color.c.
	(struct object_hard_regs, struct object_hard_regs_node):
	Ditto.
	(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
	hard_regs_subnodes_start, hard_regs_subnodes_num.  Add new member
	add_data.
	(struct ira_allocno): Make mode and aclass a bitfield.  Move other
	bitfield after mode.  Make hard_regno a short int.  Make
	hard_regno short.  Remove first_coalesced_allocno and
	next_coalesced_allocno.  Move mem_optimized_dest_p,
	somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
	into struct ira_emit_data.  Remove in_graph_p, may_be_spilled_p,
	available_regs_num, next_bucket_allocno, prev_bucket_allocno,
	temp, colorable_p.  Add new member add_data.
	(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
	(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
	(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
	(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
	(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
	(ALLOCNO_ADD_DATA): New macro.
	(ira_emit_data_t): New typedef.
	(struct ira_emit_data): New.  Move mem_optimized_dest_p,
	somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
	from struct ira_allocno.
	(ALLOCNO_EMIT_DATA): New macro.
	(ira_allocno_emit_data, allocno_emit_reg): New.
	(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
	(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
	Remove.
	(OBJECT_ADD_DATA): New macro.
	(ira_reallocate): Remove.
	(ira_initiate_emit_data, ira_finish_emit_data): New.
	(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
	(ira_init_register_move_cost_if_necessary): New.
	(ira_object_conflict_iter_next): Merge into
	ira_object_conflict_iter_cond.
	(FOR_EACH_OBJECT_CONFLICT): Don't use
	ira_object_conflict_iter_next.

	* ira-live.c: (process_single_reg_class_operands): Call
	ira_init_register_move_cost_if_necessary.  Use
	ira_register_move_cost instead of ira_get_register_move_cost.

	2010-08-13  Vladimir Makarov  <vmakarov@redhat.com>

	* ira-int.h (struct target_ira_int): Remove x_cost_classes.

	* ira-costs.c: Fix formatting.
	(cost_classes, cost_classes_num): Remove.
	(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
	(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
	(cost_classes_del, cost_classes_htab): New.
	(cost_classes_aclass_cache, cost_classes_mode_cache): New.
	(initiate_regno_cost_classes, setup_cost_classes): New.
	(setup_regno_cost_classes_by_aclass): New.
	(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
	New.
	(record_reg_classes): Use regno_cost_classes instead of
	cost_classes.  Move checking opposite operand up.
	(record_address_regs): Use regno_cost_classes
	instead of cost_classes.
	(scan_one_insn): Ditto.  Use always general register.
	(print_allocno_costs): Use regno_cost_classes instead of
	cost_classes.
	(print_pseudo_costs): Ditto.  Use Reg_N_REFS.
	(find_costs_and_classes): Set up cost classes for each registers.
	Use also their mode for this.  Use regno_cost_classes instead of
	cost_classes.
	(setup_allocno_class_and_costs): Use regno_cost_classes instead of
	cost_classes.
	(free_ira_costs, ira_init_costs): Don't use cost_classes.
	(ira_costs, ira_set_pseudo_classes): Call
	initiate_regno_cost_classes and finish_regno_cost_classes.

	2010-10-04  Vladimir Makarov  <vmakarov@redhat.com>

	* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.

	* target.def (ira_cover_classes): Remove.

	* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
	IRA_COVER_CLASSES.

	* doc/tm.texi.in: Ditto.

	* ira-conflicts.c: Remove mentioning cover classes from the file.
	Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS.  Use
	ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST.  Fix
	formatting.

	* targhooks.c (default_ira_cover_classes): Remove.

	* targhooks.h (default_ira_cover_classes): Ditto.

	* haifa-sched.c: Remove mentioning cover classes from the file.
	Use ira_reg_pressure_cover instead of ira_reg_class_cover.  Use
	ira_pressure_classes and ira_pressure_classes_num instead of
	ira_reg_class_cover_size and ira_reg_class_cover.  Use
	sched_regno_pressure_class instead of sched_regno_cover_class.
	(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
	ira_reg_class_max_nregs instead of ira_reg_class_nregs.

	* ira-int.h: Add 2010 to Copyright.  Remove mentioning cover
	classes from the file.
	(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
	(struct object_hard_regs, struct object_hard_regs_node): New.
	(struct ira_object): New members profitable_hard_regs,
	hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
	(struct ira_allocno): Rename cover_class to aclass.  Rename
	cover_class_cost and updated_cover_class_cost to class_cost and
	updated_class_cost.  Remove splay_removed_p and
	left_conflict_size.  Add new members colorable_p.
	(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
	(ALLOCNO_COLORABLE_P): New macro.
	(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
	(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
	Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
	(OBJECT_...): Rename parameter C to O.
	(OBJECT_PROFITABLE_HARD_REGS): New macro.
	(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
	(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
	(struct target_ira_int): New members x_ira_max_memory_move_cost,
	x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
	x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
	x_ira_reg_pressure_class_p, x_ira_important_class_nums,
	x_ira_reg_class_superunion.  Rename x_prohibited_class_mode_reg to
	x_ira_prohibited_class_mode_reg.  Rename x_ira_reg_class_union to
	x_ira_reg_class_subunion.
	(ira_max_memory_move_cost, ira_max_register_move_cost)
	(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
	(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
	(ira_important_class_nums, ira_reg_class_superunion): New macros.
	(prohibited_class_mode_regs): Rename to
	ira_prohibited_class_mode_regs.
	(ira_reg_class_union): Rename to ira_reg_class_subunion.
	(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
	(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
	(ira_tune_allocno_costs_and_cover_classes): Rename to
	ira_tune_allocno_costs.
	(ira_debug_hard_regs_forest): New.
	(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
	(ira_object_conflict_iter_next): Fix comments.
	(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
	functions.
	(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
	cover_class to aclass.
	(ira_allocate_and_accumulate_costs): Ditto.
	(ira_allocate_and_set_or_copy_costs): Ditto.

	* opts.c (decode_options): Remove ira_cover_class check.

	* ira-color.c: Remove mentioning cover classes from the file.  Use
	ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
	instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
	ALLOCNO_UPDATED_COVER_CLASS_COST.  Fix formatting.
	(splay-tree.h): Remove include.
	(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
	before copy_freq_compare_func.
	(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
	(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
	New definitions.
	(hard_regs_roots, hard_regs_node_vec): Ditto.
	(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
	(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
	(finish_object_hard_regs, object_hard_regs_compare): Ditto.
	(create_new_object_hard_regs_node): Ditto.
	(add_new_object_hard_regs_node_to_forest): Ditto.
	(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
	Ditto.
	(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
	Ditto.
	(print_hard_reg_set, print_hard_regs_subforest): Ditto.
	(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
	(remove_unused_object_hard_regs_nodes): Ditto.
	(enumerate_object_hard_regs_nodes): Ditto.
	(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
	(object_hard_regs_subnode_t): Ditto.
	(struct object_hard_regs_subnode): Ditto.
	(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
	(setup_object_hard_regs_subnode_index): Ditto.
	(get_object_hard_regs_subnodes_num): Ditto.
	(form_object_hard_regs_nodes_forest): Ditto.
	(finish_object_hard_regs_nodes_tree): Ditto.
	(finish_object_hard_regs_nodes_forest): Ditto.
	(allocnos_have_intersected_live_ranges_p): Rename to
	allocnos_conflict_by_live_ranges_p.  Move before
	copy_freq_compare_func.
	(pseudos_have_intersected_live_ranges_p): Rename to
	conflict_by_live_ranges_p.  Move before copy_freq_compare_func.
	(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
	(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
	(update_copy_costs): Remove assert.  Skip cost update if the hard
	reg does not belong the class.
	(assign_hard_reg): Process only profitable hard regs.
	(uncolorable_allocnos_num): Make it scalar.
	(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
	and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
	and ira_reg_class_max_nregs.
	(bucket_allocno_compare_func): Check frequency first.
(truncated)

For more information, see <http://gcc.gnu.org/regtest/HEAD/>.

-- 
Geoffrey Keating <geoffk@apple.com> 
(via an automated GCC regression-testing script.)

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