2010-01-15  Jing Yu  <jingyu@google.com>

	PR rtl-optimization/42691
	* combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
	a pseudo to a constant and are merged, and adjust comments.

2010-01-15  Jing Yu  <jingyu@google.com>

	PR rtl-optimization/42691
	* gcc.c-torture/execute/pr42691.c: New.

From-SVN: r155944

From-SVN: r155943

From-SVN: r155941

From-SVN: r155940

2010-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	* io/format.c (parse_format): Set limit on size of format strings that
	will be cached.

From-SVN: r155939

	* MAINTAINERS (Write After Approval): Add myself.

From-SVN: r155938

2010-01-15  Richard Guenther  <rguenther@suse.de>

	PR middle-end/42739
	* tree-cfgcleanup.c (remove_forwarder_block): Move destination
	labels of computed or non-local gotos to the destination.
	* tree-cfg.c (gimple_verify_flow_info): Verify that a EH
	landing pad label is the first label.

	* g++.dg/torture/pr42739.C: New testcase.

From-SVN: r155937

From-SVN: r155936

2010-01-15  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.

From-SVN: r155934

re PR fortran/42684 (ICE when interface operator(xx) available through host and use assoc in module procedure)

2010-01-14 Jerry DeLisle <jvdelisle@gcc.gnu.org>

	PR fortran/42684
	* gfortran.dg/interface_31.f90: New test.

From-SVN: r155931

re PR fortran/42684 (ICE when interface operator(xx) available through host and use assoc in module procedure)

2010-01-14 Jerry DeLisle <jvdelisle@gcc.gnu.org>

	PR fortran/42684
	* interface.c (check_interface1): Pass symbol name rather than NULL to
	gfc_compare_interfaces.	(gfc_compare_interfaces): Add assert to
	trap MULL.
	* resolve.c (check_generic_tbp_ambiguity): Pass symbol name rather
	than NULL to gfc_compare_interfaces.

From-SVN: r155930

From-SVN: r155928

From-SVN: r155923

	PR middle-end/42674
	* c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
	functions with noreturn attribute.

	* decl.c (finish_function): Don't emit -Wreturn-type warnings in
	functions with noreturn attribute.

	* c-c++-common/pr42674.c: New test.

From-SVN: r155920

	PR c++/42608
	* varasm.c (declare_weak): Add weak attribute to decl if it
	doesn't have one already.
	(assemble_external): Only add decls to weak_decls if they also
	have weak attribute.

	* g++.dg/template/instantiate11.C: New test.

From-SVN: r155919

var-tracking.c (var_reg_delete): Don't delete the association between REGs and values or one-part variables if...

	* var-tracking.c (var_reg_delete): Don't delete the association
	between REGs and values or one-part variables if the register
	isn't clobbered.

From-SVN: r155918

	PR debug/42657
	* tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
	because its first operand is a non-localized variable.

From-SVN: r155917

	PR c++/42701
	* call.c (build_new_method_call): Don't free the vec here.

From-SVN: r155916

	PR c++/42655
	* call.c (convert_like_real): Do full decay_conversion for ck_rvalue.

From-SVN: r155913

2010-01-14  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/c_std/cstring (memchr): Forward to the builtin.
	* include/c_std/cstring: Remove redundant casts; use names consistent
	with the letter of the Standard.
	* include/c_global/cstring: Likewise.

From-SVN: r155912

2010-01-14  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/42706
	* tree-sra.c (encountered_recursive_call): New variable.
	(encountered_unchangable_recursive_call): Likewise.
	(sra_initialize): Initialize both new variables.
	(callsite_has_enough_arguments_p): New function.
	(scan_function): Call decl and flags check only for IPA-SRA, check
	whether there is a recursive call and whether it has enough arguments.
	(all_callers_have_enough_arguments_p): New function.
	(convert_callers): Look for recursive calls only when
	encountered_recursive_call is set.
	(ipa_early_sra): Bail out either if
	!all_callers_have_enough_arguments_p or
	encountered_unchangable_recursive_call.

	* testsuite/gcc.dg/ipa/pr42706.c: New testcase.

From-SVN: r155911

2010-01-14  H.J. Lu  <hongjiu.lu@intel.com>

	* g++.dg/graphite/pr42681.C (size_t): Use __SIZE_TYPE__.

From-SVN: r155910

2010-01-14  Alexander Monakov  <amonakov@ispras.ru>

	* sel-sched.c: Add 2010 to copyright years.
	* sel-sched-ir.c: Likewise.
	* sel-sched-ir.h: Likewise.

From-SVN: r155906

2010-01-14  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/42714
	* tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
	constructors specially.

	* gcc/testsuite/g++.dg/torture/pr42714.C: New test.

From-SVN: r155905

2010-01-14  Andi Kleen  <ak@linux.intel.com>

	* config/i386/drivers-i386.c (detect_caches_intel):
	Add l2sizekb parameter and fill in.
	(host_detect_local_cpu): Add l2sizekb, fill in.
	Add Atom small cache heuristic.

2010-01-14  Andi Kleen  <ak@linux.intel.com>

	* config/i386/drivers-i386.c (detect_caches_cpuid4):
	Add level3 parameter and fill in.
	(detect_caches_intel): Handle level3 cache.

2010-01-14  Andi Kleen  <ak@linux.intel.com>

	* config/i386/drivers-i386.c (host_detect_local_cpu):
	Fix core duo detection.

2010-01-14  Andi Kleen  <ak@linux.intel.com>

	* config/i386/drivers-i386.c (host_detect_local_cpu):
	Fix Atom detection.

From-SVN: r155904

2010-01-14  Alexander Monakov  <amonakov@ispras.ru>

	* config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
	(rs6000_variable_issue_1): this.  Use...
	(rs6000_variable_issue): here.  Reimplement.  Print debug info.

From-SVN: r155902

2010-01-14  Alexander Monakov  <amonakov@ispras.ru>

	* sel-sched-ir.c (sel_restore_other_notes): Rename to sel_restore_notes.
	Update all callers.  Call reemit_notes for all insns.

From-SVN: r155901

        PR rtl-optimization/42246
        * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
        loops.

From-SVN: r155900

sel-sched.c (compute_av_set_at_bb_end): Do not test that number of all successors is the same as number of successors...

        * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
        all successors is the same as number of successors in current region.

From-SVN: r155899

2010-01-14  Alexander Monakov  <amonakov@ispras.ru>

	* sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
	to rename is not separable.  Otherwise check that its LHS is not NULL.

From-SVN: r155898

2010-01-14  Alexander Monakov  <amonakov@ispras.ru>

	* sel-sched.c (choose_best_reg_1):  Loop over all regs for mode.

From-SVN: r155897

sel-sched.c (mark_unavailable_hard_regs): Do not try to search available registers when failed to discover LHS register class.

2010-01-14  Alexander Monakov  <amonakov@ispras.ru>

	* sel-sched.c (mark_unavailable_hard_regs): Do not try to search
	available registers when failed to discover LHS register class.
	Fix indentation.  Update comment.

From-SVN: r155896

        PR rtl-optimization/42389
        * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
        to can_issue_more.
        (advance_state_on_fence): Likewise.
        (sel_target_adjust_priority): Print debug output only when
        sched_verbose >= 4, not 2.
        (get_expr_cost): Do not issue all unique insns on the next cycle.
        (fill_insns): Initialize can_issue_more from the value saved
        with the fence.
        * sel-sched-ir.c (flist_add): New parameter issue_more.
        Init FENCE_ISSUE_MORE with it.
        (merge_fences): Likewise.
        (init_fences): Update call to flist_add.
        (add_to_fences, add_clean_fence_to_fences)
        (add_dirty_fence_to_fences): Likewise.
        (move_fence_to_fences): Update call to merge_fences.
        (invoke_reorder_hooks): Do not reset can_issue_more on insns from
        sched groups.
        * sel-sched-ir.h (struct _fence): New field issue_more.
        (FENCE_ISSUE_MORE): New accessor macro.

From-SVN: r155895

        PR rtl-optimization/42388
        * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
        that have no predecessors nor successors.  Do not call move_bb_info
        for empty blocks outside of current region.

From-SVN: r155894

2010-01-14  Alexander Monakov  <amonakov@ispras.ru>

	PR rtl-optimization/42294
	* sel-sched-ir.h (struct _sel_insn_data): Update comment.
	* sel-sched.c (move_exprs_to_boundary): Transitively add all
	originators' originators.

	* gfortran.dg/pr42294.f: New.

From-SVN: r155893

2010-01-14  Alexander Monakov  <amonakov@ispras.ru>

	PR rtl-optimization/39453
	PR rtl-optimization/42246
	* sel-sched-ir.c (considered_for_pipelining_p): Do not test
	for pipelining_p.
	(sel_add_loop_preheaders): Add preheader to last_added_blocks.

	* gcc.dg/pr39453.c: New.
	* gcc.dg/pr42246.c: New.

From-SVN: r155892

	PR middle-end/42245
	* gcc.dg/pr42245.c: New.
	* gcc.dg/pr42245-2.c: New.

From-SVN: r155891

2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
	    Alexander Monakov  <amonakov@ispras.ru>

	PR middle-end/42245
	* sel-sched-ir.c (sel_recompute_toporder): New.  Use it...
	(maybe_tidy_empty_bb): ... here.  Make static.  Add new
	argument.  Update all callers.
	(tidy_control_flow): ... and here.  Recompute topological order
	of basic blocks in region if necessary.
	(sel_redirect_edge_and_branch): Change return type.  Return true
	if topological order might have been invalidated.
	(purge_empty_blocks): Export and move from...
	* sel-sched.c (purge_empty_blocks): ... here.
	* sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
        (maybe_tidy_empty_bb): Delete prototype.
	(purge_empty_blocks): Declare.

	* gcc.dg/pr42245.c: New.
	* gcc.dg/pr42245-2.c: New.

From-SVN: r155890

        PR rtl-optimization/42294
        * sel-sched.c (try_replace_dest_reg): When chosen register
        and original register is the same, do not bail out early, but
        still check all original insns for validity of replacing destination
        register.  Set EXPR_TARGET_AVAILABLE to 1 before leaving function
        in this case.

From-SVN: r155889

	PR c/42721
	Port from no-undefined-overflow branch
	2009-03-09  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (add_double_with_sign): Fix unsigned overflow
	detection.

	* gcc.c-torture/execute/pr42721.c: New test.

From-SVN: r155887