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  1. 30 Oct, 2008 5 commits
  3. 29 Oct, 2008 19 commits
  5. 28 Oct, 2008 7 commits
  7. 27 Oct, 2008 9 commits
    • re PR target/37378 (Revision 139827 causes Divide_X) · 60d52d0d 
      	PR target/37378
	* df-scan.c (df_bb_refs_collect): Don't handle EH_USES here.
	(df_get_entry_block_def_set): Neither here.
	(df_get_regular_block_artificial_uses): Add EH_USES registers.

From-SVN: r141392
      Jakub Jelinek committed
    • re PR tree-optimization/37879 (ICE with "wrong" use of noreturn attribute and optimization) · 6a16e934 
      	PR tree-optimization/37879
	* predict.c (tree_estimate_probability): Check if last_stmt is
	non-NULL before dereferencing it.

	* gcc.dg/pr37879.c: New test.

From-SVN: r141390
      Jakub Jelinek committed
    • re PR libstdc++/37919 ([c++0x] GCC 4.4 regression r141214 of gcc c++0x… · 8f0f2a1d 
      re PR libstdc++/37919 ([c++0x] GCC 4.4 regression r141214 of gcc c++0x stl_pair.c causes a boost 1.36 compilation to fail)

2008-10-27  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/37919
	Revert:
	2008-10-18  Douglas Gregor  <doug.gregor@gmail.com>

	* include/bits/stl_pair.h (__may_be_null_pointer_init): New.
	(pair::pair): Eliminate the redundant pair(U1&&, U2&&) constructor.
	Add lvalue pair<U1, U2> constructor to handle non-const pair lvalues.
	Remove the old variadic constructor, and instead provide several
	variadic constructors that avoid failing when attempting to
	initialize a pointer from a null pointer constant.
	* testsuite/20_util/pair/moveable.cc (test3): Add new tests with
	initialization of pointers from the null pointer constant.

From-SVN: r141388
      Paolo Carlini committed
    • add PR to ChangeLog entry for previous commit · 202e7815 
      From-SVN: r141387
      Janis Johnson committed
    • re PR other/37897 (decNumber functions break strict-aliasing rules) · 4a44abab 
      	PR other/37897
	* decDouble.h (decDouble): Replace struct with union accessible
	by more types.
	* decSingle.h (decSingle): Ditto.
	* decQuad.h (decQuad): Ditto.
	* decNumberLocal.h (DFWORD, DFBYTE, DFWWORD): access decFloat via
	new members.
	* decBasic.c (decFloatCompareTotal): Avoid type-pun violation.
	(decNumberCompare): Ditto.

From-SVN: r141386
      Janis Johnson committed
    • ira-int.h (ira_allocno): Add member updated_cover_class_cost. · cb1ca6ac 
      2008-10-27  Vladimir Makarov  <vmakarov@redhat.com>

	* ira-int.h (ira_allocno): Add member updated_cover_class_cost.
	(ALLOCNO_UPDATED_COVER_CLASS_COST): New.
	(ira_fast_allocation): Remove the prototype.
	
	* ira-color.c (update_copy_costs, allocno_cost_compare_func,
	assign_hard_reg, calculate_allocno_spill_cost): Use updated costs.
	(color_pass): Modify the updated costs.
	(ira_color): Rename to color.  Make it static.
	(ira_fast_allocation): Rename to fast_allocation.  Make it static.
	(ira_color): New function.
	
	* ira-conflicts.c (process_regs_for_copy): Propagate hard reg cost
	change.

	* ira-lives.c (last_call_num, allocno_saved_at_call): New
	variables.
	(set_allocno_live, clear_allocno_live, mark_ref_live,
	mark_ref_dead): Invalidate corresponding element of
	allocno_saved_at_call.
	(process_bb_node_lives): Increment last_call_num.  Setup
	allocno_saved_at_call.  Don't increase ALLOCNO_CALL_FREQ if the
	allocno was already saved.
	(ira_create_allocno_live_ranges): Initiate last_call_num and
	allocno_saved_at_call.

	* ira-build.c (ira_create_allocno): Initiate
	ALLOCNO_UPDATED_COVER_CLASS_COST.
	(create_cap_allocno, propagate_allocno_info,
	remove_unnecessary_allocnos): Remove setting updated costs.
	(ira_flattening): Set up ALLOCNO_UPDATED_COVER_CLASS_COST.

	* ira.c (ira):  Don't call ira_fast_allocation.

	* ira-costs.c (setup_allocno_cover_class_and_costs): Don't set up
	updated costs.

From-SVN: r141385
      Vladimir Makarov committed
    • re PR middle-end/37813 (assert with IRA_COVER_CLASSES with singleton) · c0683a82 
      2008-10-27  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/37813
	* ira-conflicts.c (process_regs_for_copy): Remove class subset
	check.

	* ira-int.h (ira_hard_regno_cover_class): New.

	* ira-lives.c (mark_reg_live, mark_reg_dead,
	process_bb_node_lives): Use ira_hard_regno_cover_class.

	* ira.c (reg_class ira_hard_regno_cover_class): New global
	variable.
	(setup_hard_regno_cover_class): New function.
	(ira_init): Call setup_hard_regno_cover_class.

	* ira-costs.c (cost_class_nums): Add comment.
	(find_allocno_class_costs): Initiate cost_class_nums.
	(setup_allocno_cover_class_and_costs): Check cost_class_nums.

From-SVN: r141384
      Vladimir Makarov committed
    • re PR middle-end/37884 (Bootstrap failure due to miscompilation of tree-vrp.c) · 801f03e3 
      2008-10-27  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/37884
	* ira-build.c (copy_live_ranges_to_removed_store_destinations):
	Rename to copy_info_to_removed_store_destinations.  Propagate
	conflict hard regs and register stack attribute.

From-SVN: r141383
      Vladimir Makarov committed
    • re PR libstdc++/37522 (Incorrect vswprintf prototype breaks __to_xstring) · 83b83ae9 
      2008-10-27  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/37522
	* config/os/mingw32/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSWPRINTF
	* include/bits/basic_string.h: Guard string conversions with 
	!defined(_GLIBCXX_HAVE_BROKEN_VSWPRINTF) too.
	* testsuite/lib/libstdc++.exp (check_v3_target_string_conversions):
	New.
	* testsuite/lib/dg-options.exp (dg-require-string-conversions): New.
	* testsuite/21_strings/basic_string/numeric_conversions/char/stof.cc:
	Use the latter.
	* testsuite/21_strings/basic_string/numeric_conversions/char/stoll.cc:
	Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/char/stoi.cc:
	Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/char/stol.cc:
	Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/char/
	stoull.cc: Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/char/stold.cc:
	Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/char/stoul.cc:
	Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/char/
	to_string.cc: Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/char/stod.cc:
	Likewise.

From-SVN: r141382
      Paolo Carlini committed