2007-01-15  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/28172
	* trans-stmt.c (gfc_trans_call): If it does not have one, get
	a backend_decl for an alternate return.

	PR fortran/29389
	* resolve.c (pure_function): Statement functions are pure. Note
	that this will have to recurse to comply fully with F95.

	PR fortran/29712
	* resolve.c (resolve_function): Only a reference to the final
	dimension of an assumed size array is an error in an inquiry
	function.

	PR fortran/30283
	* resolve.c (resolve_function): Make sure that the function
	expression has a type.

2007-01-15  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/28172
	* gfortran.dg/altreturn_4.f90: New test.

	PR fortran/29389
	* gfortran.dg/stfunc_4.f90: New test.

	PR fortran/29712
	* gfortran.dg/bound_2.f90: Reinstate commented out line.
	* gfortran.dg/initialization_1.f90: Change warning.

	PR fortran/30283
	* gfortran.dg/specification_type_resolution_2.f90: New test.

From-SVN: r120790

From-SVN: r120788

2007-01-14  Daniel Franke  <franke.daniel@gmail.com>

        * libgomp.texi: Document implementation specific default values of
        environment variables.

From-SVN: r120783

	* loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
	* cfgloopmanip.c (fix_loop_placement): Made static.  Use
	get_loop_exit_edges.  Changed return type to bool.
	* cfgloop.h (fix_loop_placement): Declaration removed.

From-SVN: r120782

From-SVN: r120781

	* gcc.dg/tree-ssa/vrp11.c: Fix thinkos in my last patch.
	* gcc.dg/always_inline3.c: Update for pre-inline tail recursion
	elimination.

From-SVN: r120779

2007-01-14  Paolo Carlini  <pcarlini@suse.de>

	* include/bits/stl_algobase.h (fill_n(char*, _Size,
	const signed char&)): Fix signature.
	* testsuite/25_algorithms/fill/3.cc: New.

From-SVN: r120778

	* gcc.dg/always_inline3.c: Update for pre-inline tail recursion
	elimination.

From-SVN: r120777

From-SVN: r120774

config/

2007-01-14  H.J. Lu  <hongjiu.lu@intel.com>

	* ld-symbolic.m4: New.

libjava/

2007-01-14  H.J. Lu  <hongjiu.lu@intel.com>

	* Makefile.am (libgcj_la_LDFLAGS): Add
	$(LIBGCJ_LD_SYMBOLIC_FUNCTIONS).
	(libgcj_tools_la_LDFLAGS): Likewise.
	(libgcj_bc_la_LDFLAGS): Likewise.
	* Makefile.in: Regenerated.

	* configure.ac: Use ACX_PROG_LD_GNU_SYMBOLIC.  Set
	LIBGCJ_LD_SYMBOLIC_FUNCTIONS to $SYMBOLIC_LDFLAGS.  Set
	libgcj_ld_symbolic to $SYMBOLIC_LDFLAGS if it isn't set.
	Substitute LIBGCJ_LD_SYMBOLIC_FUNCTIONS.
	* configure: Regenerated.
	* aclocal.m4: Likewise.
	* gcj/Makefile.in: Likewise.
	* include/Makefile.in: Likewise.
	* testsuite/Makefile.in: Likewise.

From-SVN: r120773

2007-01-14  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/30410
	* trans-decl.c (gfc_sym_mangled_function_id): Module, external
	symbols must not have the module name prepended.

2007-01-14  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/30410
	* gfortran.dg/external_procedures_2.f90: New test.

From-SVN: r120771

        * param.h (MIN_VECT_LOOP_BOUND): New.
        * params.def (MIN_VECT_LOOP_BOUND): New.
        * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
        argument - minimum threshold for number of iterations.
        * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
        argument to declaration.
        * tree-vect-analyze.c (vect_analyze_operations): Check value of
        MIN_VECT_LOOP_BOUND.
        * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
        slpeel_tree_peel_loop_to_edge with additional argument.
        (vect_do_peeling_for_alignment): Likewise.
        * doc/invoke.texi (min-vect-loop-bound): Document new param option.

From-SVN: r120770

        PR target/30413
        * config/i386/i386.c (print_operand) ['z']: Output 'b' for
        operands of size 1.

testsuite/ChangeLog:

        PR target/30413
        * gcc.target/i386/pr30413.c: New test.

From-SVN: r120769

2007-01-14  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/30452
	* scanner.c(next_char):  Cast next character to unsigned
	to avoid confusion with error return codes.

2007-01-14  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/30452
	* gfortran.dg/string_0xfe_0xff_1.f90:  New test.

From-SVN: r120768

	* tree-dfa.c (remove_referenced_var): New function.
	* tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
	prune referenced vars list too.
	* tree-flow.h (remove_referenced_var): Declare.

From-SVN: r120767

	* tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
	separately.
	(remove_stmt_from_eh_region_fn): Do not remove call_exprs.
	(verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
	* except.h (verify_eh_throw_table_statements): Kill prototype.
	* cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
	into call exrepssions.
	* tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
	eh trhow verifier.
	* tree-cfg.c: Include pointer-set.h.
	(verify_node_sharing): Work on pointer set.
	(verify_eh_throw_stmt_node): New.
	(verify_stmts): Use pointers sets, verify throw_stmt.

From-SVN: r120766

From-SVN: r120764

	* ipa-reference.c (analyze_function): Consider also addresses taken
	in phi nodes.

	* gcc.dg/20070112-1.c: New test.

From-SVN: r120757

	* config/cpu/hppa/atomicity.h (__exchange_and_add): Don't use ordered
	store.
	(__atomic_add): Likewise.

From-SVN: r120751

2007-01-13  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/14991
	* docs/html/17_intro/porting-howto.html ([3]): Mention stdio_filebuf.
	* docs/html/17_intro/porting-howto.xml: Remove.

	* docs/html/17_intro/porting-howto.html: Remove spurious end tags
	pointed out by validator.w3.org.

From-SVN: r120749

	* c-typeck.c (null_pointer_constant_p): Replace use of
	TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
	(build_c_cast): Likewise.

From-SVN: r120747

	* tree.h (force_fit_type_double): Remove unused final argument.
	* c-common.c (constant_expression_warning): Replace use of
	TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
	(convert_and_check): Likewise.
	(shorten_compare): Update call to force_fit_type_double.
	(c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
	* convert.c (convert_to_pointer): Update call to
	force_fit_type_double.
	* fold-const.c (force_fit_type_double): Remove overflowed_const
	argument.
	(int_const_binop, fold_convert_const_int_from_int,
	fold_convert_const_int_from_real, fold_div_compare,
	fold_sign_changed_comparison, fold_unary, fold_negate_const,
	fold_abs_const, fold_not_const): Remove the final argument from
	calls to force_fit_type_double.

From-SVN: r120746

	* jcf-dump.c (main): Updated call to find_class.
	* lang.c (java_init): Removed dead code.
	* jcf-parse.c (read_class): Don't use java_source field.  Removed
	dead code.
	(parse_zip_file_entries): Don't use java_source field.
	(process_zip_dir): Likewise.
	(jcf_parse): Removed dead code.
	(java_parse_file): Likewise.
	(read_class): Updated call to find_class.
	* jcf-io.c (find_class): Don't use java_source field.  Removed
	'source_ok' argument, .java logic.
	* jcf.h (JCF) <java_source>: Removed field.
	(JCF_ZERO): Updated.	(find_class): Updated.
	* decl.c: Removed dead code.
	* class.c: Removed dead code.

From-SVN: r120745

From-SVN: r120743

2007-01-12  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/30435
	* gfortran.dg/list_read_6.f90: New test.

From-SVN: r120738

2007-01-12  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/30435
	* io/list_read.c (finish_separator): Don't call next_record.
	(list_formatted_read_scalar): Clean up some comments and whitespace.
	(nml_read_obj): Whitespace fix.

From-SVN: r120737

2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * configure.ac: Set insn to "nop" for spu-*-* also.
        * configure: Regenerate.

From-SVN: r120736

	* sysdep/sh/locks.h (read_barrier): New.
	(write_barrier): Likewise.

From-SVN: r120735

From-SVN: r120732

libcpp
	PR preprocessor/28227:
	* directives.c (lex_macro_node): Added 'is_def_or_undef'
	argument.
	(do_define): Update.
	(do_undef): Update.
	(do_ifdef): Update.
	(do_ifndef): Update.
gcc/testsuite
	PR preprocessor/28227:
	* gcc.dg/cpp/pr28227.c: New file.

From-SVN: r120731

	PR tree-optimization/30443
	* tree-inline.c (tree_function_versioning): Do not optimize when
	cloning for inlining.

From-SVN: r120730

	* doc/loop.texi: Document recording of loop exits.
	* cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
	(update_single_exits_after_duplication,
	update_single_exit_for_duplicated_loop,
	update_single_exit_for_duplicated_loops): Removed.
	(duplicate_loop_to_header_edge): Do not call
	update_single_exits_after_duplication and
	update_single_exit_for_duplicated_loops.
	(loop_version): Do not update single_exit information.
	(fix_loop_structure): Use record_loop_exits instead of
	mark_single_exit_loops.
	* tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
	the lists of loop exits.
	* cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
	split_edge, merge_blocks): Update the lists of loop exits.
	* modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
	loop_optimizer_init.
	* loop-init.c (loop_optimizer_init): Call record_loop_exits instead
	of mark_single_exit_loops.
	(loop_optimizer_finalize): Call release_recorded_exits.
	* tree-ssa-loop.c (tree_loop_optimizer_init): Pass
	LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
	* tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
	update single exit information.
	* lambda-code.c (perfect_nestify): Ditto.
	* cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
	(mark_single_exit_loops): Removed.
	(alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
	get_exit_descriptions, rescan_loop_exit, record_loop_exits,
	dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
	functions.
	(get_loop_exit_edges, single_exit): Use recorded exit lists.
	(add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
	(verify_loop_structure): Verify consistency of the exit lists.
	(flow_loops_find): Use alloc_loop.  Initialize exits hash.
	(set_single_exit): Removed.
	* cfgloop.h (struct loop_exit): New function.
	(struct loop): single_exit_ field replaced by exits field.
	(LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
	(struct loops): Added exits hash.
	(mark_single_exit_loops, set_single_exit): Declaration removed.
	(release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.

From-SVN: r120728

gcc/
	* doc/invoke.texi: Avoid use of @headitem.

From-SVN: r120726

2007-01-12  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/30416 (continued)
	* include/std/valarray (valarray<>::shift, valarray<>::cshift):
	Allways return the same variable, thus facilitating NRVO.

From-SVN: r120722

2007-01-12  Andrew Haley  <aph@redhat.com>

        * include/i386-signal.h: Rewrite to use rt_sigaction.

From-SVN: r120721

2007-01-12  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/30416
	* include/std/valarray (valarray<>::shift, valarray<>::cshift):
	Do not segfault when |n| > size.
	* testsuite/26_numerics/valarray/30416.cc: New.

From-SVN: r120720

gcc/
	* cse.c (cse_insn): Move HAVE_CC0 code after declarations.

From-SVN: r120719

gcc/
	* doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
	list of targets.

From-SVN: r120718

gcc/
200x-xx-xx  Nathan Sidwell  <nathan@codesourcery.com>
	    Richard Sandiford  <richard@codesourcery.com>

	* doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
	* config/m68k/m68k.opt: Resort options.
	(mbitfield, mrtd, mshort): Remove RejectNegative properties.

Co-Authored-By: Richard Sandiford <richard@codesourcery.com>

From-SVN: r120717

gcc/
200x-xx-xx  Nathan Sidwell  <nathan@codesourcery.com>
	    Richard Sandiford  <richard@codesourcery.com>

	* doc/invoke.texi: Document the macros that are defined by
	m68k's -mtune and -mhard-float options.
	* config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
	(m68k_cpp_cpu_family): Likewise.
	* config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
	of __ucfv*__ macros.  Define __mcffpu__ if generating code for
	ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
	* config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
	(m68k_cpp_cpu_family): Likewise.

Co-Authored-By: Richard Sandiford <richard@codesourcery.com>

From-SVN: r120716