re PR target/24265 (ICE: in extract_insn, at recog.c:2084 with -O -fgcse -fmove-loop-invariants -mtune=pentiumpro)

	PR 24265
	* loop-invariant.c (may_assign_reg_p): Make sure a hard register
	can be assigned to.
	(find_invariant_insn): Do the cheapest check, may_assign_reg_p,
	before check_maybe_invariant.
	(move_invariant_reg): Use gen_move_insn instead of replacing
	SET_DEST with the temporary for the invariant.
	(move_loop_invariants): If checking is enabled, do internal
	consistency checks after completing the pass.

From-SVN: r106795

        PR 24644
        * common.opt (Wvolatile-register-var): New.
        * varasm.c (make_decl_rtl): Only emit warning when option
        specified.  Clarify warning message.
        * doc/invoke.texi (Wvolatile-register-var): Document new option.

        * doc/md.texi (copysign): Document standard named pattern.

From-SVN: r106791

	* config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
	bytes when align is 2.
	* config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
	by the first instruction of the loop.

From-SVN: r106790

From-SVN: r106788

        PR c++/24686
        * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
        the cleanup list.

From-SVN: r106787

        PR c++/24686
        * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
        the cleanup list.

From-SVN: r106786

	PR rtl-optimization/22509
	* local-alloc.c (memref_used_between_p): Check whether a function call
	could not reference the memref.

From-SVN: r106783

postreload.c (reload_cse_simplify_operands): Fix bug in sorting algorithm so as to choose the best, not the worst, alternative.

	* postreload.c (reload_cse_simplify_operands): Fix bug in sorting
	algorithm so as to choose the best, not the worst, alternative.
	Reset accumulated register class before processing next alternative.

From-SVN: r106780

PR fortran/15976
* resolve.c (resolve_symbol): Disallow automatic arrays in module scope.
* gfortran.dg/automatic_module_variable.f90: New test.



Co-Authored-By: Steven G. Kargl <kargls@comcast.net>

From-SVN: r106777

	PR target/24445
	* calls.c (expand_call): Copy a return value to a plain register
	if needed.

	* gcc.dg/pr24445.c: New test.

From-SVN: r106774

From-SVN: r106767

2005-11-10  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/24655
	PR fortran/24755
	* match.c (recursive_stmt_fcn): Add checks that symtree exists
	for the expression to weed out inline intrinsic functions and
	parameters.

	PR fortran/24409
	* module.c (mio_symtree_ref): Correct the patch of 0923 so that
	a symbol is not substituted for by a the symbol for the module
	itself and to prevent the promotion of a formal argument.

2005-11-10  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/24655
	PR fortran/24755
	* gfortran.dg/recursive_statement_functions.f90: Add statement 
	functions using inline intrinsic functions and parameters to test
	that they no longer seg-fault.

	PR fortran/24409
	gfortran.dg/nested_modules_4.f90: New test.
	gfortran.dg/nested_modules_5.f90: New test.

From-SVN: r106756

fortran/
PR fortran/24643
* primary.c (match_varspec): Check for implicitly typed CHARACTER
variables before matching substrings.

testsuite/
PR fortran/24643
* gfortran.dg/implicit_6.f90, gfortran.dg/implicit_7.f90: New.

From-SVN: r106753

* gcc.dg/attr-weakref-1.c: Add exit (0) to avoid spurious
failures.

From-SVN: r106750

PR target/24778
* varasm.c (assemble_name): Recompute name only for transparent
aliases.

From-SVN: r106749

From-SVN: r106746

tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not perform reassociation if the parent statement will not die as a result...

        * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
        perform reassociation if the parent statement will not die as
        a result of the optimization.

From-SVN: r106744

2005-11-10  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-alias.c (compute_may_aliases): Remove call to 
	delete_old_heap_vars.
	* tree-dfa.c (referenced_var_remove): Remove function.
	* tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
	(delete_tree_ssa): Remove call to delete_old_heapvars.
	Add call to delete_alias_heapvars.
	* tree-flow.h (referenced_var_remove): Remove prototype
	(init_alias_heapvars): New prototype.
	(delete_alias_heapvars): Ditto.
	* Makefile.in (tree-ssa-structalias.o): Add
	gt-tree-ssa-structalias.o
	(GTFILES): Add tree-ssa-structalias.h and
	tree-ssa-structalias.c.
	(s-gtype): Add gt-tree-ssa-structalias.h.
	* tree-ssa-structalias.c (heapvars): Remove.
	(oldheapvars): Remove.
	(heapvar_for_stmt): New variable.
	(heapvar_lookup): New function.
	(heapvar_insert): Ditto.
	(get_constraint_for): See if we have an old heapvar
	to reuse.
	(init_alias_heapvars): New function.
	(delete_alias_heapvars): Ditto.
	Add include of gt-tree-ssa-structalias.h.

From-SVN: r106743

        * libgfortran.h: Add proper defines where needed.

From-SVN: r106741

	PR middle-end/22127
	* calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.

From-SVN: r106739

tree.c (int_fits_type_p): Only look at the base type if it has the same precision as the original type.

	* tree.c (int_fits_type_p): Only look at the base type
	if it has the same precision as the original type.

From-SVN: r106738

2005-11-10  Paolo Carlini  <pcarlini@suse.de>

	* testsuite/tr1/2_general_utilities/memory/
	enable_shared_from_this/not_shared.cc: Adjust, remove xfail.
	* testsuite/tr1/2_general_utilities/memory/
	enable_shared_from_this/not_shared2.cc: Likewise.
	* testsuite/tr1/2_general_utilities/memory/
	enable_shared_from_this/not_shared3.cc: Likewise.

From-SVN: r106736

re PR other/4372 (#pragma weak pthread* inclusion causes applications to crash without a linker error when one forgets to link with -lpthread)

	PR other/4372
	* varasm.c (assemble_alias): Use %q+D in the error
	message instead of %J and %qD.

From-SVN: r106735

2005-11-10  Richard Guenther  <rguenther@suse.de>

	* gcse.c (free_ldst_entry): Only free hashtable if
	it exists.

From-SVN: r106734

2005-11-10  Paolo Carlini  <pcarlini@suse.de>

	* include/tr1/boost_shared_ptr.h (_Sp_counted_base::release,
	weak_release): Protect barriers with __GTHREADS.

From-SVN: r106733

	PR ada/23995
	* trans.c (call_to_gnu): Restore statement lost in translation.

From-SVN: r106731

        * libgfortran.h: Add missing prototypes for internal_pack
        functions.

From-SVN: r106730

2005-11-10  Paolo Carlini  <pcarlini@suse.de>
	    Peter Dimov  <pdimov@mmltd.net>

	* include/tr1/boost_shared_ptr.h (_Sp_counted_base::release):
	Optimize by manually inlining weak_release.

	* include/tr1/boost_shared_ptr.h (_Sp_counted_base::release,
	weak_release): Use explicit memory barriers.

	

Co-Authored-By: Peter Dimov <pdimov@mmltd.net>

From-SVN: r106729

2005-11-09  Benjamin Kosnik  <bkoz@redhat.com>
	    Paolo Carlini  <pcarlini@suse.de>
            Gabriel Dos Reis  <gdr@integrable-solutions.net>

	PR libstdc++/22203
	* numeric_limits.cc: Split into...
	* numeric_limits/specialization.cc: ..this.
	* numeric_limits/is_iec559.cc: Same.
	* numeric_limits/sign.cc: Same.
	* numeric_limits/quiet_NaN.cc: Same.
	* numeric_limits/digits10.cc: Same.
	* numeric_limits/denorm_min.cc: Same.
	* numeric_limits/min_max.cc: Same.
	* numeric_limits/epsilon.cc: Same.
	* numeric_limits/infinity.cc: Same.
	* numeric_limits/traps.cc: New.


Co-Authored-By: Gabriel Dos Reis <gdr@integrable-solutions.net>
Co-Authored-By: Paolo Carlini <pcarlini@suse.de>

From-SVN: r106727

From-SVN: r106723

function.c (assign_stack_local_1): Issue an error message if the frame size overflows in the signed target arithmetics.

	* function.c (assign_stack_local_1): Issue an error message if
	the frame size overflows in the signed target arithmetics.

From-SVN: r106717

tree.c (build_qualified_type): Chain the new type to the original type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO...

	* tree.c (build_qualified_type): Chain the new type to the original
	type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
	a POINTER_TYPE or a REFERENCE_TYPE respectively.
	(build_pointer_type_for_mode): Only return unqualified types.
	(build_reference_type_for_mode): Likewise.

From-SVN: r106716

From-SVN: r106709

Makefile.in (gnucompare): Do comparison of all files using one of the chosen methods and only afterwards...

	* Makefile.in (gnucompare): Do comparison of all files using one of
	the chosen methods and only afterwards decide if just warning should
	be issued or comparison failure raised.

From-SVN: r106707

	* ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
	(noce_try_abs): Negate if the comparison is reversed.
	Look only one instruction backwards for a REG_EQUAL note.

From-SVN: r106706

re PR other/4372 (#pragma weak pthread* inclusion causes applications to crash without a linker error when one forgets to link with -lpthread)

gcc/ChangeLog:
PR other/4372
* gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
gthr-tpf.h: Define __gthrw.  For all identifiers that might
be weak, introduce weakrefs or non-weak aliases with __gthrw,
and prefix all uses with __ghtrw.
libobjc/ChangeLog:
PR other/4372
* thr-objc.c (_XOPEN_SOURCE): Define.

From-SVN: r106704

re PR other/4372 (#pragma weak pthread* inclusion causes applications to crash without a linker error when one forgets to link with -lpthread)

PR other/4372
* tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
(TREE_DEPRECATED): Adjust comment.  Check for a DECL.
* c-common.c (handle_weakref_attribute): New.
(c_common_attribute_table): Add weakref.
* configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
in the assembler.
* configure, config.in: Rebuilt.
* defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
* doc/extend.texi: Document weakref attribute.
* varasm.c (ultimate_transparent_alias_target): New
(assemble_name): Use it.
(weak_finish_1): Split out of...
(weak_finish): ... and deal with weakrefs in...
(weakref_targets): ... new list.
(globalize_decl): Clean up weakref_targets.
(do_assemble_alias): Handle weakrefs.
(finish_aliases_1): Do not reject weakrefs to external symbols.
(assemble_alias): Handle weakrefs.

From-SVN: r106703

	* testsuite/libjava.jacks/jacks.xfail (non-jls-zip-2): Now
	passes.

From-SVN: r106702

2005-11-09  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/24716
	* tree-scalar-evolution.c (analyze_evolution_in_loop): Use
	t_bool to track results from follow_ssa_edge.

	* gcc.c-torture/execute/pr24716.c: New testcase.

From-SVN: r106700

	* final.c (force_source_line): New global variable.
	(final_scan_insn): Set it to true instead of clearing last_filename.
	(notice_source_line): Return true if force_source_line is true,
	unless source info is absent.

From-SVN: r106699