[[Split portion of a mixed commit.]]

From-SVN: r90972.2

	* c-typeck.c (build_array_ref): Don't check for index == 0.  Make
	checks for neither argument being an array or pointer (swapping
	the arguments if necessary), the array argument being a pointer to
	or array of functions and for -Wchar-subscripts warnings upfront.

testsuite:
	* gcc.dg/Wchar-subscripts-1.c, gcc.dg/array-8.c: New tests.
	* gcc.dg/pointer-arith-1.c, gcc.dg/pointer-arith-2.c,
	gcc.dg/pointer-arith-3.c, gcc.dg/pointer-arith-4.c: Update
	expected diagnostics.

From-SVN: r90969

        * regrename.c (copyprop_hardreg_forward): Only search for a
        previously processed block if the current block only has one
        predecessor.

From-SVN: r90968

	PR target/18580
	* gcc.dg/vect/vect-13.c, vect-27.c, vect-27a.c, vect-29.c,
	vect-29a.c, vect-48a.c, vect-56a.c, vect-72.c, vect-72a.c,
	vect-77.c, vect-77a.c: XFAIL on the SPARC.

From-SVN: r90967

node change.

From-SVN: r90966

From-SVN: r90965

	PR target/16135
	* acinclude.m4 (LIBGFOR_TARGET_ILP32): New check.
	* configure.ac: Include LIBGFOR_TARGET_ILP32.
	* configure: Regenerate.
	* config.h.in: Likewise.
	* libgfortran.h: Provide default definitions for C99 types
	on ILP32 targets that don't have them.

	PR target/17999
	* configure.ac: Check for snprintf.
	* configure: Regenerate.
	* config.h.in: Likewise.
	* intrinsics/date_and_time.c (date_and_time): Do not
	use snprinf if it is not available.
	* io/write.c (output_float): Likewise.

From-SVN: r90964

	* tree-ssa-threadupdate.c, tree-vectorizer.c: Fix comment
	typos.
	* config/arm/arm.c: Follow spelling conventions.

From-SVN: r90963

* arm.c (arm_override_options): Use arm_ld_sched rather than testing
a bit in tune_flags.
(const_double_needs_minipool): Likewise.  Split most of the code out
into ...
(arm_const_double_inline_cost): ... new function here.
* arm-protos.h (arm_const_double_inline_cost): Add prototype.
* arm.h (EXTRA_CONSTRAINT_STR_ARM): Add D[abc] constraints for double-
word constants of length 2, 3 and 4 insns respectively.
(CONSTRAINT_LEN): The 'D' prefix is a 2-letter constraint.
* arm.md (arm_movdi, movdf_soft_insn): Add alternatives for D[abc]
constraints.  Set insn lenghts accordingly.

From-SVN: r90962

	* gcc_update (touch_files): Don't rely on "make" being GNU make;
	grep for "Touching" to determine that the rule executes.

From-SVN: r90961

From-SVN: r90959

	* basic-block.h (edge_def): Add dest_idx.
	* cfg.c (unchecked_make_edge): Initialize dest_idx.
	(remove_edge): Simplify the disconnection of an edge from its
	destination.
	(redirect_edge_succ): Likewise.
	* cfghooks.c (verify_flow_info): Check the consistency of
	dest_idx for each edge.

From-SVN: r90958

	* objalloc.c, strsignal.c, xstrerror.c: Include "config.h" before
	"ansidecl.h" to avoid redeclaration errors with native compilers.
	* regex.c: Protect config.h from multiple inclusion.

From-SVN: r90954

From-SVN: r90950

	* check.c (gfc_check_getcwd_sub): Fix seg fault.

	* check.c (gfc_check_exit,gfc_check_umask,gfc_check_umask_sub,
	gfc_check_unlink,gfc_check_unlink_sub): New functions
	* gfortran.h (GFC_ISYM_UMASK,GFC_ISYM_UNLINK): New symbols
	* intrinsic.c (add_functions,add_subroutines): Add umask, unlink,
	exit to intrinsics symbol tables.
	* intrinsic.h (gfc_check_umask,gfc_check_unlink,gfc_check_exit,
	gfc_check_umask_sub,gfc_check_unlink_sub,gfc_resolve_umask,
	gfc_resolve_unlink,gfc_resolve_exit,gfc_resolve_umask_sub,
	gfc_resolve_unlink_sub): Add and sort prototypes.
	* iresolve.c (gfc_resolve_umask,gfc_resolve_unlink,gfc_resolve_exit,
	gfc_resolve_umask_sub,gfc_resolve_unlink_sub): New functions
	* trans-intrinsic.c (gfc_conv_intrinsic_function): Use symbols

libgfortran/
	* Makefile.am: Add intrinsics/{umask.c,unlink.c,exit.c}
	* Makefile.in: Regenerated
	* intrinsics/umask.c: New file
	* intrinsics/unlink.c: ditto
	* intrinsics/exit.c: ditto

From-SVN: r90949

        * simplify-rtx.c (simplify_ternary_operation): Use
        trunc_int_for_mode.

From-SVN: r90948

[[Split portion of a mixed commit.]]

From-SVN: r90946.2

[[Split portion of a mixed commit.]]

From-SVN: r90945.2

        * tree-ssa-threadupdate.c: Replace REDIRECTION_DATA varray with
        a hash table.  Extensive modifications throughout to support
        that change.
        (struct el): New.
        (struct local_info): New.
        (struct redirection_data): Add new INCOMING_EDGES and DO_NOT_DUPLICATE
        fields.
        (redirection_data): Now a hashtable.
        (redirection_data_hash, redirection_data_eq): New.
        (lookup_redirection_data, create_duplicates): New.
        (create_edge_and_update_destionation_phis): New.
        (fixup_template_block, redirect_edges): New.
        (thread_block): Use hash table traversals instead of loops over
        varray entries or incoming edge vectors.

From-SVN: r90941

	* tree-cfg.c (reinstall_phi_args): New.
	(tree_split_edge): Use it after redirecting an edge.  Don't
	modify PHI_ARG_EDGE.

From-SVN: r90940

2004-11-19  Andreas Tobler  <a.tobler@schweiz.ch>

	* tree-vectorizer.c (slpeel_verify_cfg_after_peeling): Define only
	if checking is enabled.

From-SVN: r90939

2004-11-19  Paolo Carlini  <pcarlini@suse.de>

	* testsuite/22_locale/time_get/get_date/char/1.cc: In the checks
	use, more correctly (and consistently with other testcases) the
	return value of the facet (the iterator arguments are by value).
	* testsuite/22_locale/time_get/get_date/char/12791.cc: Likewise.
	* testsuite/22_locale/time_get/get_date/wchar_t/1.cc: Likewise.
	* testsuite/22_locale/time_get/get_date/wchar_t/12791.cc: Likewise.
	* testsuite/22_locale/time_get/get_monthname/char/1.cc: Likewise.
	* testsuite/22_locale/time_get/get_monthname/wchar_t/1.cc: Likewise.
	* testsuite/22_locale/time_get/get_time/char/1.cc: Likewise.
	* testsuite/22_locale/time_get/get_time/wchar_t/1.cc: Likewise.
	* testsuite/22_locale/time_get/get_weekday/char/1.cc: Likewise.
	* testsuite/22_locale/time_get/get_weekday/wchar_t/1.cc: Likewise.
	* testsuite/22_locale/time_get/get_year/char/1.cc: Likewise.
	* testsuite/22_locale/time_get/get_year/wchar_t/1.cc: Likewise.

From-SVN: r90938

2004-11-19  Mark Mitchell  <mark@codesourcery.com>
            Joseph Myers  <joseph@codesourcery.com>

	* lib/target-supports.exp (check_visibility_available): Really
	test the compiler.

Co-Authored-By: Joseph Myers <joseph@codesourcery.com>

From-SVN: r90937

	* c-decl.c (push_scope): Remove "\n" from end of diagnostic for
	too many nested scopes.

From-SVN: r90936

re PR tree-optimization/18181 (vectorizer: problem in the peeling mechanism in the presence of loop invariants that are used after the loop)

        PR tree-opt/18181
        * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Peeling scheme
        changed to suppoer uses-after-loop and to void creating flow paths
        that shouldn't exist.
        (slpeel_update_phi_nodes_for_guard): Takes additional two arguments.
        Modified to fit the new peeling scheme. Avoid quadratic behavior.
        (slpeel_add_loop_guard): Takes additional argument.
        (slpeel_verify_cfg_after_peeling): New function.
        (vect_update_ivs_after_vectorizer): Takes additional argument. Updated
        documentation. Use 'exit-bb' instead of creating 'new-bb'.
        (rename_variables_in_bb): Don't update phis for BBs out of loop, to fit
        the new peeling scheme.
        (copy_phi_nodes): Function removed. Its functionality moved to
        update_phis_for_duplicate_loop.
        (slpeel_update_phis_for_duplicate_loop): Functionality of copy_phi_nodes
        moved here. Added documentation. Modified to fit the new peeling scheme.
        (slpeel_make_loop_iterate_ntimes): Setting loop->single_exit not not
        needed - done in slpeel_tree_peel_loop_to_edge.
        (slpeel_tree_duplicate_loop_to_edge_cfg): Debug printouts compacted.
        (vect_do_peeling_for_loop_bound): Add documentation. Call
        slpeel_verify_cfg_after_peeling. Call vect_update_ivs_after_vectorizer
        with additional argument.
        (vect_do_peeling_for_alignment): Call slpeel_verify_cfg_after_peeling.

        (vect_finish_stmt_generation): Avoid 80 column oveflow.

From-SVN: r90932

        * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Last two
        arguments removed.
        (slpeel_tree_peel_loop_to_edge): Call slpeel_make_loop_iterate_ntimes
        without last two arguments. Update single_exit of loops.
        (vect_update_niters_after_peeling): Removed. Its functionality was
        moved to vect_do_peeling_for_alignment.
        (vect_do_peeling_for_loop_bound): New name for function previously
        called vect_transform_for_unknown_loop_bound.
        (vect_transform_loop_bound): Call slpeel_make_loop_iterate_ntimes
        instead of code that duplicates the same functionality.
        (vect_do_peeling_for_alignment): Functionality of
        vect_update_niters_after_peeling moved here.
        (vect_transform_loop): Unify call to vect_do_peeling_for_loop_bound -
        previously named vect_transform_for_unknown_loop_bound - for both known
        and unknown loop bound cases.

From-SVN: r90931

tree-vectorizer.c (slpeel_can_duplicate_loop_p): New name for function previously called verify_loop_for_duplication.

        * tree-vectorizer.c (slpeel_can_duplicate_loop_p): New name for function
        previously called verify_loop_for_duplication. All conditions compacted
        into one compound condition. Removed debug dumps.
        (vect_analyze_loop_with_symbolic_num_of_iters): Removed. Some of the
        functionality moved to vect_can_advance_ivs_p, and some to
        vect_analyze_loop_form.
        (vect_can_advance_ivs_p): New function. Contains functionality that was
        taken out of vect_analyze_loop_with_symbolic_num_of_iters.
        (slpeel_tree_peel_loop_to_edge): Call slpeel_can_duplicate_loop_p.
        (vect_analyze_operations): Call vect_can_advance_ivs_p and
        slpeel_can_duplicate_loop_p.
        (vect_get_loop_niters): Added documentation.
        (vect_analyze_loop_form): Check the loop entry always - not only in case
        of unknown loop bound. Create preheader and exit bb if necessary. Apply
        a check that used to take place in
        vect_analyze_loop_with_symbolic_num_of_iters.
        (vectorize_loops): Call verify_loop_closed_ssa under ENABLE_CHECKING.
        Remove redundant call to rewrite_into_loop_closed_ssa.
        (vect_compute_data_refs_alignment): Removed obsolete comment.

From-SVN: r90930

tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): New name for function previously called tree_duplicate_loop_to_edge.

        * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): New name for
        function previously called tree_duplicate_loop_to_edge.
        (slpeel_tree_duplicate_loop_to_edge_cfg): New name for function
        previously called tree_duplicate_loop_to_edge_cfg.
        (slpeel_update_phis_for_duplicate_loop): Prefix 'slpeel' added to
        function name.
        (slpeel_update_phi_nodes_for_guard): Likewise.
        (slpeel_make_loop_iterate_ntimes): Likewise.
        (slpeel_add_loop_guard): Likewise.
        (allocate_new_names, free_new_names): Function declaration moved to top
        of file.
        (rename_use_op, rename_def_op): Likewise.
        (rename_variables_in_bb, rename_variables_in_loop): Likewise.
        (vect_generate_tmps_on_preheader): Function declaration moved.
        (vect_transform_for_unknown_loop_bound): Added missing function
        declaration.

From-SVN: r90929

From-SVN: r90927

2004-11-19  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/18507
        * tree-flow.h (tree2): Typedef because there is already a VEC(tree).
        Define a VEC(tree2) for head.
        (register_new_def): Change second argument to be a VEC(tree2).
        * tree-ssa-dom.c (block_defs_stack): Change to be a VEC(tree2).
        (tree_ssa_dominator_optimize): Initialize block_defs_stack with
        the VEC(tree2) function.  Also free it before returning.
        (dom_opt_initialize_block): Use VEC_safe_push instead of VARRAY_PUSH_TREE
        for block_defs_stack.
        (restore_currdefs_to_original_value): Use VEC_length instead of
        VARRAY_ACTIVE_SIZE. VEC_pop instead of VARRAY_TOP_TREE/VARRAY_POP.
        (dom_opt_finalize_block): Use VEC_safe_push instead of VARRAY_PUSH_TREE
        for block_defs_stack.
        * tree-into-ssa.c (block_defs_stack): Change to be a VEC(tree2).
        (rewrite_initialize_block): Use VEC_safe_push instead of VARRAY_PUSH_TREE
        for block_defs_stack.
        (ssa_register_new_def): Likewise.
        (ssa_rewrite_initialize_block): Likewise.
        (rewrite_finalize_block): Use VEC_length instead of
        VARRAY_ACTIVE_SIZE. VEC_pop instead of VARRAY_TOP_TREE/VARRAY_POP.
        (ssa_rewrite_finalize_block): Likewise.
        (register_new_def): Change second argument to be a VEC(tree2).
        Use VEC_safe_push instead of VARRAY_PUSH_TREE.
        (rewrite_blocks): Initialize block_defs_stack with
        the VEC(tree2) function.  Also free it before returning.
        (rewrite_ssa_into_ssa): Likewise.

From-SVN: r90926

OKed by Geoff Keating.

From-SVN: r90925

        * tree-ssa.c (verify_ssa): Remove redundant checking of PHI
        arguments.

From-SVN: r90924

2004-11-19  Jonathan Wakely  <redi@gcc.gnu.org>

	* Makefile.am (doxygen, doxygen-maint, doxygen-man): Remove extra '$'
	from host_alias variable.
	* Makefile.in: Regenerate.

From-SVN: r90919

re PR target/17735 (make stops with "initializer for integer value is too complicated" while building an avr-cross compiler)

	PR target/17735
	* varasm.c (default_assemble_integer): Allow pointer-sized values.
	Expand comment.

From-SVN: r90918

2004-11-19  Chris Jefferson  <chris@bubblescope.net>

	* include/bits/stl_list.h (list::back, list::back const):
	Don't decrement temporary.

2004-11-19  Paolo Carlini  <pcarlini@suse.de>

	* include/bits/stl_deque.h (deque::front, deque::front const,
	deque::back, deque::back const): Slightly tweak for stylistic
	consistency.

From-SVN: r90917

From-SVN: r90916

	* gnat_ugn.texi:
	Remove extra paren check from list of checks for redundant constructs
	Add documentation of new -gnatyx style check (check extra parens)
	Remove paragraph about gnatelim debug options.

	* gnat_rm.texi: Document that Ada.Streams now forbids creating stream
	objects rather than forbidding dependencies on the package Ada.Streams.

	* sinfo.ads: Add ??? note that we should document pragmas passed to
	back end.

	* g-expect.ads: Fix a few typos in the comments.

From-SVN: r90915

	* makegpr.adb (Compile): Put the compiling switches (in package
	Compiler and on the command line) immediately after "-c", instead of
	at the end of the command line invocation of the compiler, when
	compiling a non-Ada file.
	(Build_Global_Archive): When there is no need to rebuild the archive,
	set Global_Archive_Exists, so that the archive is passed to the linker
	if one is needed.

From-SVN: r90914

s-tposen.adb (Lock_Entry): Remove the code for raising Program_Error for Detect_Blocking which is...

	* s-tposen.adb (Lock_Entry): Remove the code for raising Program_Error
	for Detect_Blocking which is redundant with the check done within the
	procedure Protected_Single_Entry_Call.
	(Lock_Read_Only_Entry): Remove the code for raising Program_Error for
	Detect_Blocking which is redundant with the check done within the
	procedure Protected_Single_Entry_Call.

From-SVN: r90913

	* make.adb (Gnatmake): Invoke gnatlink with -shared-libgcc when
	gnatbind is invoked with -shared.

From-SVN: r90912