* tree-inline.c (copy_tree_r): Don't duplicate constants, they're
	shared anyway.

	PR pch/13361
	* c-typeck.c (constructor_asmspec): Delete.
	(struct initializer_stack): Delete field 'asmspec'.
	(start_init): Delete saving of asmspec.
	(finish_init): Don't update constructor_asmspec.
	* dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
	* stmt.c (expand_asm): Duplicate strings from tree.
	(expand_asm_operands): Likewise.
	* tree.c (tree_size): Update computation of size of STRING_CST.
	(make_node): Don't make STRING_CST nodes.
	(build_string): Allocate string with tree node.
	(tree_code_size): Clean up assertions, don't allow requests
	for "the size of a STRING_CST".
	* tree.def (STRING_CST): Update comment.
	* tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
	(tree_string): Place contents of string in tree node.
	* config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
	from tree.

From-SVN: r87695

	* Makefile.in (c-parse.o): Depend on $(C_PRAGMA_H).
	* objc/Make-lang.in (objc/objc-parse.o): Likewise.

From-SVN: r87689

	(_cpp_convert_input, _cpp_default_encoding): Add comments.
	Some other comments in this file also tweaked.

From-SVN: r87688

	* directives.c (do_pragma): Save current buffer position
	before lexing the pragma keywords; don't call
	_cpp_backup_tokens in the defer_pragmas case.

From-SVN: r87687

2004-09-17  Jones Desougi  <jones@ingate.com>

	* configure.ac: Replace AC_COMPILE_CHECK_SIZEOF with AC_CHECK_SIZEOF.
	* configure, config.in: Regenerate.

From-SVN: r87686

	* tree.c, tree.h (tree_class_strings): Make array const.
	Reindent per coding convention.  Move asterisk to proper place
	per coding convention.

From-SVN: r87685

From-SVN: r87683

	* inclhack.def (linux_ia64_ucontext): New fix.
	* fixincl.x: Regenerate.
	* tests/base/sys/ucontext.h: New file.

From-SVN: r87677

	* Makefile.in (gimple-low.o): Depend on $(EXPR_H).
	(tree-vectorizer.o): Likewise.
	(targhooks.o): Likewise.

From-SVN: r87676

2004-09-17  Jeffrey D. Oldham  <oldham@codesourcery.com>
	    Zack Weinberg  <zack@codesourcery.com>

	* alias.c (find_base_decl): Remove unreachable case '3' block.
	* expr.c (safe_from_p): Abort if passed a type.
	* tree-gimple.c (recalculate_side_effects): Abort if passed
	anything other than an expression.
	* tree-ssa-pre.c (phi_translate): Return expr immediately if
	is_gimple_min_invariant is true for it.  Reorder cases for clarity.
	Abort on un-handled tree classes.
	(valid_in_set): Likewise.
	* tree.c (tree_code_class_strings): New static data.

	* tree.h (enum tree_code_class): New.
	(tree_code_class_strings): Declare.
	(TREE_CODE_CLASS_STRING, EXCEPTIONAL_CLASS_P, CONSTANT_CLASS_P)
	(REFERENCE_CLASS_P, COMPARISON_CLASS_P, UNARY_CLASS_P, BINARY_CLASS_P)
	(STATEMENT_CLASS_P, EXPRESSION_CLASS_P, IS_TYPE_OR_DECL_P): New macros.
	(TYPE_P, DECL_P, IS_NON_TYPE_CODE_CLASS, IS_EXPR_CODE_CLASS)
	(checking macros, EXPR_LOCATION, SET_EXPR_LOCATION, EXPR_LOCUS): Update.

	* tree.def, c-common.def, objc/objc-tree.def: Use
	tree_code_class enumeration constants instead of code letters.

	* alias.c, builtins.c, c-common.c, c-format.c, c-lang.c, c-pragma.c
	* c-typeck.c, cgraphunit.c, convert.c, dbxout.c, dwarf2out.c
	* emit-rtl.c expr.c, fold-const.c, gimplify.c, lambda-code.c
	* langhooks.c, langhooks.h, predict.c, print-tree.c, reload1.c, stmt.c
	* tree-browser.c, tree-cfg.c, tree-chrec.c, tree-complex.c, tree-dfa.c
	* tree-dump.c, tree-eh.c, tree-gimple.c, tree-inline.c, tree-nested.c
	* tree-outof-ssa.c, tree-pretty-print.c, tree-sra.c, tree-ssa-ccp.c
	* tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-forwprop.c, tree-ssa-live.c
	* tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c
	* tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-propagate.c
	* tree-ssa.c, tree-ssanames.c, tree-tailcall.c, tree.c, varasm.c
	* config/sol2-c.c, config/arm/arm.c, config/i386/winnt.c
	* config/pa/pa.c, config/pa/pa.h, config/sh/sh.c, objc/objc-lang.c
	Update to match.

	* LANGUAGES: Add note about change.

ada:
	* ada-tree.def: Use tree_code_class enumeration constants
	instead of code letters.
	* ada-tree.h, decl.c, misc.c, trans.c, utils.c, utils2.c:
	Update for new tree-class enumeration constants.

cp:
	* cp-tree.def: Use tree_code_class enumeration constants
	instead of code letters.
	* call.c, class.c, cp-gimplify.c, cp-lang.c, cxx-pretty-print.c
	* mangle.c, pt.c, semantics.c, tree.c, typeck.c:
	Update for new tree-class enumeration constants.

fortran:
	* f95-lang.c, trans-expr.c, trans.c: Update for new tree-class
	enumeration constants.

java:
	* java-tree.def: Use tree_code_class enumeration constants
	instead of code letters.
	* java-gimplify.c, jcf-write.c, lang.c, parse.y: Update for
	new tree-class enumeration constants.

treelang:
	* treetree.c: Update for new tree-class enumeration constants.

From-SVN: r87675

2004-09-17  Kenneth Zadeck  <Kenneth.Zadeck@NaturalBridge.com>

	* gcc.c-torture/execute/20040917-1.c: New test.

From-SVN: r87674

	PR tree-optimization/17319
	* tree-ssa-alias.c (compute_points_to_and_addr_escape): Also
	examine pointers on the LHS of an assignment.
	(collect_points_to_info_r): Handle RETURN_EXPR.

testsuite/ChangeLog

	PR tree-optimization/17319
	* gcc.dg/pr17319.c: New test.

From-SVN: r87673

	* tree-ssa-dom.c (const_and_copies_stack): New.
	(dom_walk_block_data): Remove const_and_copies field.
	(record_const_or_copy): No longer need to pass in varray_type *.
	Use CONST_AND_COPIES_STACK rather than passed in block local stack.
	Callers updated.
	(record_equality): Similarly.
	(restore_vars_to_original_value): Similarly.  Revamp to use new
	single global stack rather than per-block stacks.
	(tree_ssa_dominator_optimize): Initialize the CONST_AND_COPIES_STACK.
	(thread_across_edge): Remove now unused parameters.
	(dom_opt_initialize_block_local_data): No longer test the block
	local CONST_AND_COPIES.
	(dom_opt_initialize_block): Push a marker on CONST_AND_COPIES_STACK.

From-SVN: r87670

	PR tree-optimization/17509
	* tree-optimize.c (update_inlined_to_pointers): New function.
	(tree_rest_of_compilation): Use it.

From-SVN: r87669

       * dbxout.c (get_lang_number): New.
       (dbxout_init): Include lang number in N_SO  stab.
       * dbxout.h (N_SO_AS, N_SO_C, N_SO_ANSI_C, N_SO_CC, N_SO_FORTRAN,
       N_SO_PASCAL, N_SO_FORTRAN90, N_SO_OBJC, N_SO_OBJCPLUS): New #define.

testsuite
       * gcc.dg/20040813-1.c: New test.

From-SVN: r87663

	PR tree-optimization/17273
	* tree-ssa.c (replace_immediate_uses): Call fold_stmt if the
	replacement is a constant.

testsuite/ChangeLog

	PR tree-optimization/17273
	* gcc.c-torture/compile/pr17273.c: New test.

From-SVN: r87662

	* c-tree.h (enum c_typespec_keyword): New.
	(struct c_declspecs): Adjust description of "type".  Remove
	specbits, explicit_int_p and explicit_char_p.  Rename
	typedef_signed_p to explicit_signed_p.  Add default_int_p, long_p,
	short_p, signed_p, unsigned_p and complex_p.
	(finish_declspecs): New.
	* c-parse.in (datadef, datadecl, setspecs, decl, component_decl,
	typename): Call finish_declspecs.
	* c-decl.c (finish_declspecs): New.
	(declspecs_add_type): Check for combinations which cannot occur in
	valid specifier lists.  Update comments.
	(shadow_tag_warned): Remove checks done in finish_declspecs.
	Don't report useless type name if type defaulted to int.
	(grokdeclarator): Remove checks and actions done in
	finish_declspecs.  Don't allow for type being NULL.  Update for
	datastructures changes.  Initialize decl_attr.
	(build_null_declspecs, quals_from_declspecs): Update for
	datastructures changes.

testsuite:
	* gcc.dg/declspec-4.c, gcc.dg/declspec-5.c, gcc.dg/declspec-6.c:
	Update expected messages.
	* gcc.dg/declspec-13.c: New test.

From-SVN: r87660

From-SVN: r87657

	* gfortran.h (struct gfc_linebuf): Don't use C99 empty arrays.
	(gfc_linebuf_header_size): Define.
	* scanner.c (load_file): Use it.

From-SVN: r87655

2004-09-17  Toon Moene  <toon@moene.indiv.nluug.nl>

	* doc/invoke.texi: Remove stray explanation on
	-freduce-all-givs and -fmove-all-movables.

From-SVN: r87651

2004-09-17  Jonathan Wakely  <redi@gcc.gnu.org>

	* include/bits/stl_algo.h (remove): Remove too restrictive
	concept-check.

From-SVN: r87650

2004-09-17  Paolo Carlini  <pcarlini@suse.de>

	* include/bits/fstream.tcc (xsgetn): Slightly tweak conditional,
	as per Nathan's original suggestion.

From-SVN: r87647

2004-09-17  James Morrison  <phython@gcc.gnu.org>

        * doc/cfg.texi: Use @smallexample.
        * doc/md.texi: Likewise.
        * doc/tree-ssa.texi: Likewise.
        * doc/extend.texi: Likewise.  Use @r{} in comments.
        * doc/trouble.texi: Use @r{} in comments.

From-SVN: r87646

From-SVN: r87645

prj-attr-pm.ads, [...]: New files, to split some private capabilities of the general project manager.

2004-09-17  Vincent Celier  <celier@gnat.com>

	* prj-attr-pm.ads, prj-attr-pm.adb: New files, to split some private
	capabilities of the general project manager.

From-SVN: r87644

	* configure.ac (gcc_cv_gld_version): Handle whitespace before
	"VERSION=".
	* aclocal.m4 (_gcc_COMPUTE_GAS_VERSION): Ditto.
	* configure: Regenerate.

From-SVN: r87643

	* gcc.c-torture/execute/pr17252.c: Use post-increment to
	change what 'a' is pointing to.

From-SVN: r87642

From-SVN: r87641

	* sh.c (sh_gimplify_va_arg_expr): Don't call pass_by_reference.
	(sh_pass_by_reference): Work around std_gimplify_va_arg_expr bug.
	* t-sh (MULTILIB_CPUS): s/ML_m/ML_sh/g .
	* t-sh64 (MULTILIB_CPU_DIRS): Likewise.  Match trailing slashes
	in substitutions.
	(MULTILIB_DIRNAMES): Remove defunct removal of /media32.

From-SVN: r87640

2004-09-17  Paolo Carlini  <pcarlini@suse.de>

	* testsuite/ext/mt_allocator/tune-1.cc: Use VERIFY, clean
	up a bit.
	* testsuite/ext/mt_allocator/tune-2.cc: Likewise.
	* testsuite/ext/mt_allocator/tune-3.cc: Likewise.
	* testsuite/ext/mt_allocator/tune-4.cc: Likewise.

From-SVN: r87638

	* basic-block.h, c-decl.c, c-parse.in, cgraphunit.c, ddg.c,
	gimplify.c, lambda-code.c, optabs.c, predict.c,
	tree-scalar-evolution.c, tree-sra.c, tree-ssa-loop-ch.c,
	tree-ssa.c, vec.h: Fix comment typos.  Follow spelling
	conventions.

From-SVN: r87637

2004-09-17  Paolo Carlini  <pcarlini@suse.de>
	    Andrea Arcangeli  <andrea@suse.de>

	* config/io/basic_file_stdio.cc (__basic_file<>::close)): Don't
	call unnecessarily sync, that is fflush: the library, since 3.4.0
	does not use buffered fread/fwrite.
	* include/bits/fstream.tcc (basic_filebuf<>::overflow): Likewise.

Co-Authored-By: Andrea Arcangeli <andrea@suse.de>

From-SVN: r87636

	* doc/compat.texi, doc/cpp.texi, doc/cppopts.texi,
	doc/extend.texi, doc/install.texi, doc/invoke.texi,
	doc/sourcebuild.texi, doc/tm.texi, doc/tree-ssa.texi,
	doc/trouble.texi: Use @option around options.

From-SVN: r87635

From-SVN: r87634

	PR c++/16002
	* parser.c (cp_parser_simple_declaration): Commit to tentative
	parses after seeing a decl-specifier.
	(cp_parser_simple_declaration): Eliminate spurious message.
	(cp_parser_init_declarator): Adjust error message.

	PR c++/16029
	* lex.c (unqualified_name_lookup_error): Mark the dummy
	declaration as used.

	PR c++/16002
	* g++.dg/template/error18.C: New test.

	PR c++/16029
	* g++.dg/warn/Wunused-8.C: New test.

From-SVN: r87633

        PR tree-optimization/17513
	* cfgexpand.c (construct_init_block): Clear EDGE_EXECUTABLE
	for successors of the entry block.

	* gcc.dg/20040916-1.c: New test.

From-SVN: r87632

	PR rtl-optimization/15187
	* ifcvt.c (noce_try_cmove_arith): Exit early if total
	insn_rtx_cost of both branches > BRANCH_COST

From-SVN: r87631

re PR tree-optimization/17528 (tree optimization incorrectly optimizes away entire function (incorrect aliasing detection?))


	PR tree-optimization/17528
	* tree-ssa-alias.c (compute_flow_insensitive_aliasing): Do not
	erase the may-alias set for a tag when merging it with
	another.

From-SVN: r87624

From-SVN: r87622

	* config/sh/sh.md (call): Extend 32-bit addresses to DImode
	for 32-bit TARGET_SHMEDIA.
	(call_value): Likewise.

From-SVN: r87619