* tree.c (get_unwidened): Use host_integerp and tree_low_cst.
	(int_fits_type_p): For variable bounds, call force_fit_type.

From-SVN: r37460

	* varasm.c (struct deferred_string): New structure.
	(const_str_htab): New variable.
	(STRHASH): New macro.
	(mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
	constr_str_htab_eq, const_str_htab_del): New functions.
	(output_constant_def): Add DEFER argument, defer string
	constants until mark_constant_pool time if requested.
	(mark_constant_pool): Walk the insn chain even if const_str_htab is
	not empty.
	(mark_constants): If a SYMBOL_REF for deferred string is found,
	output it and remove from hash table.
	(output_addressed_constants): Set DEFER to 0 in call to
	output_constant_def.
	* rtl.h (STRING_POOL_ADDRESS_P): Define.
	(output_constant_def): Adjust prototype.
	* expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.

	* gcc.c-torture/execute/20000801-4.c: Make sure the second string is
	output.

From-SVN: r37459

* optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
signed types if flag_trapv.

From-SVN: r37458

2000-11-14  Benjamin Kosnik  <bkoz@purist.soma.redhat.com>

	* acinclude.m4 (GLIBCPP_CHECK_WCHAR_T_SUPPOR): Set LIBS back to
	initial value.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

	* include/bits/c++config (__GLIBCPP__): Set release version for 2.91.

From-SVN: r37457

From-SVN: r37456

	* tradcpp.c, tradcif.y: Update FSF mailing address, delete
	reference to GPLv1.

From-SVN: r37455

2000-11-14  Phil Edwards  <pme@sources.redhat.com>

	* mkcheck.in:  On a platform where we don't know how to extract
	  section sizes, just set them to zero.  Use old method of reading
	  file contents.

From-SVN: r37454

        * config/c_io_stdio.h: Don't define __c_wfile_type
        when _GLIBCPP_USE_WCHAR_T is not defined.

From-SVN: r37453

From-SVN: r37452

varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table to array of pool_constnat pointers.

	* varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
	to array of pool_constnat pointers.
	(struct pool_constant): Add next_sym and label members.
	(struct pool_sym): Remove.
	(init_varasm_status): Change pool_sym into pool_constant.
	(mark_pool_constant): Mark pc->label string as well.
	(mark_pool_sym_hash_table): Remove.
	(mark_varasm_status): Remove it from caller as well.
	(free_varasm_status): Don't free pool_sym structures.
	(force_const_mem): Don't allocate pool_sym structure, instead
	fill pool->label and chain it into rtx_sym hash table.
	(find_pool_constant, mark_constant_pool): Use pool_constant instead
	of pool_sym.

From-SVN: r37451

reload1.c (emit_input_reload_insns): Honour forcing of constants into memory by PREFERRED_RELOAD_CLASS NO_REGS.

	* reload1.c (emit_input_reload_insns): Honour forcing of constants
	into memory by PREFERRED_RELOAD_CLASS NO_REGS.

From-SVN: r37450

        * dominance.c: New file.
        * Makefile.in (OBJS): Add dominance.o.

        * flow.c (compute_flow_dominators): Remove.
        (compute_immediate_dominators): Remove.
        (compute_immediate_postdominators): Remove.
        * basic-block.h: Remove their prototypes.
        (calculate_dominance_info): Add prototype.

        * dce.c (eliminate_dead_code): Change calls to above functions.
        Don't compute dominators but only immediate dominators.
        * flow.c (flow_loops_find): Change callers.
        * gcse.c (compute_code_hoist_data): Likewise.
        * haifa-sched.c (schedule_insns): Likewise.
        * ifcvt.c (if_convert): Likewise.
        * ssa.c (convert_to_ssa): Likewise, and only compute immediate
        dominators.

From-SVN: r37449

        * stmt.c (warn_if_unused_value): Don't warn if the expression
        has side effects.

From-SVN: r37448

        * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
        (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.

From-SVN: r37447

        * typeck.c (c_sizeof): Be strict about casting result value
        back to c_size_type_node.
        (expr_sizeof, c_sizeof_nowarn, c_alignof): Likewise.

From-SVN: r37446

From-SVN: r37445

2000-11-13  Phil Edwards  <pme@sources.redhat.com>

	* acinclude.m4 (GLIBCPP_CHECK_TARGET):  New macro, replacing
	  GLIBCPP_CHECK_CPU and GLIBCPP_CHECK_OS, sourcing configure.target.
	  (GLIBCPP_CONFIGURE):  Call new macro here.
	* configure.host:  Cleanup.
	* configure.in:  Remove those two macros.
	* configure.target:  New file.
	* aclocal.m4:  Regenerated.
	* configure:  Ditto.
	* Makefile.in:  Ditto.
	* libio/Makefile.in:  Ditto.
	* libmath/Makefile.in:  Ditto.
	* libsupc++/Makefile.in:  Ditto.
	* src/Makefile.in:  Ditto.

	* mkcheck.in:  Use libtool.  Split things out into functions.

From-SVN: r37443

2000-11-12  Alexandre Petit-Bianco  <apbianco@cygnus.com>

        * Makefile.am (tmp-libstdsc++.INC:): Do not use -I$(top_builddir).
        * Makefile.in: Regenerate.

From-SVN: r37442

acinclude.m4 (GLIBCPP_CHECK_WCHAR_T_SUPPORT): Add test for libiconv.a providing wchar_t support functions.


2000-11-12  David Edelsohn  <edelsohn@gnu.org>

        * acinclude.m4 (GLIBCPP_CHECK_WCHAR_T_SUPPORT): Add test for
        libiconv.a providing wchar_t support functions.
	* aclocal.m4: Regenerate.

From-SVN: r37441

	2000-11-13  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

	* loop.c (basic_induction_var): Revert accidental checkin.

From-SVN: r37440

2000-11-12  Loren J. Rittle  <ljrittle@acm.org>

        * acinclude.m4 (GLIBCPP_ENABLE_ATOMICITY): Handle FreeBSD.
        * aclocal.m4, configure: Rebuilt.

From-SVN: r37439

c-lex.c (cb_leave_file): Harmonize conditions and order of statements to those of process_directive for...

	* c-lex.c (cb_leave_file): Harmonize conditions and order of
	statements to those of process_directive for (action == act_pop).

	* collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.

	* local-alloc.c (equiv_init_movable_p): References to CC0 are not
	movable.

From-SVN: r37438

2000-11-12  Brent Verner  <brent@rcfile.org>

        * include/c_std/bits/wrap_langinfo.h: New file.
        * include/c_std/langinfo.h: New file.
        * include/bits/codecvt.h (__enc_trants::__enc_traits()): Bring in
	CODESET from _C_legacy::CODESET if using shadow headers.
	* src/Makefile.am: Add new files.
	* src/Makefile.in: Regenerate.

From-SVN: r37437

2000-11-12  Brent Verner  <brent@rcfile.org>

        * include/c_std/bits/wrap_langinfo.h: New file.
        * include/c_std/langinfo.h: New file.
        * include/bits/codecvt.h (__enc_trants::__enc_traits()): Bring in
	CODESET from _C_legacy::CODESET if using shadow headers.

From-SVN: r37436

	* c-parse.in (stmts_and_decls): Deprecate use of label at end of
	compound statement.

testsuite:
	* gcc.dg/wtr-label-1.c, gcc.dg/990214-1.c: Add semicolons after
	labels at end of compound statements.

From-SVN: r37435

        * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
        cases return without MI check.
        * cpplib.c (do_diagnostic): Take boolean of whether to
        print the directive name.
        (do_error, do_warning): Update.
        (do_pragma_dependency): Use it.
        * cpplib.h (VARARGS_FIRST): Delete.
        (struct cpp_token): Delete integer.
        * cppmacro.c (enter_macro_context): Move disabled check
        to _cpp_get_token.
        (_cpp_get_token): Simplify into a single loop.

From-SVN: r37434

From-SVN: r37433

* configure.in:  Use 'test -f' not '[ -e'.
* configure: Regenerated.

From-SVN: r37432

* config/mn10300/mn10300.md (store_movm): Note which registers are
really used or clobbered.

From-SVN: r37431

From-SVN: r37430

	* c-parse.in (ends_in_label): Remove from %union and %type.
	(decls, stmts, lineno_stmt_or_labels, xstmts,
	lineno_stmt_or_label, stmt_or_label): Remove.
	(stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
	lineno_stmt_decl_or_labels_ending_decl,
	lineno_stmt_decl_or_labels_ending_label,
	lineno_stmt_decl_or_labels_ending_error,
	lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
	lineno_stmt, lineno_label): New.
	(compstmt_nostart): Use compstmt_contents_nonempty.

testsuite:
	* gcc.dg/c99-mixdecl-1.c, gcc.dg/c90-mixdecl-1.c: New tests.

From-SVN: r37429

	* c-common.c (boolean_increment): New function.
	* c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
	CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
	(c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
	(boolean_increment): Declare.
	* c-convert.c (convert): Allow for BOOLEAN_TYPE.
	* c-decl.c (init_decl_processing): Create boolean nodes.
	(finish_struct): Allow for _Bool bitfields.
	* c-parse.in (reswords): Add _Bool.
	(rid_to_yy): Allow for RID_BOOL.
	* c-typeck.c (default_conversion): Make booleans promote to int.
	(convert_arguments, build_unary_op, build_modify_expr,
	convert_for_assignment): Allow for booleans.
	* ginclude/stdbool.h: Make conforming to C99.

cp:
	* typeck.c (build_unary_op): Use boolean_increment from
	c-common.c, moving the relevant code there.

testsuite:
	* gcc.dg/c99-bool-1.c: New test.

From-SVN: r37428

	* c-parse.in (c99_block_start, c99_block_end,
	c99_block_lineno_labeled_stmt): New.
	(simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
	(stmt): Split off selection and iteration statements into...
	(select_or_iter_stmt): New.  Use c99_block_lineno_labeled_stmt.

testsuite:
	* gcc.dg/c99-scope-1.c: Remove xfail.
	* gcc.dg/c99-scope-2.c: New test.

From-SVN: r37427

	* invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
	-time): Update.

From-SVN: r37426

* arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
Rewrite to avoid use of match_dup.  Don't try to tie registers that
are not in the same mode.

From-SVN: r37425

From-SVN: r37424

	* configure: Provide the original toplevel configure arguments
	(including $0) to subprocesses in the environment rather than
	through gcc/configargs.h.

gcc:
	* configure.in: Take toplevel configure arguments from the
	environment to create configargs.h and substitute
	gcc_config_arguments, taking account of any existing configargs.h
	if reconfiguring.
	* configure: Regenerate.
	* gccbug.in: Include toplevel configure arguments in gccbug.

From-SVN: r37423

* varasm.c (struct constant_descriptor): Put CONTENTS inside a
union to make it well-aligned.  Update all uses.

From-SVN: r37422

	* c-parse.in (initelt): Give appropriate pedantic warnings,
	depending on flag_isoc99, for non-ISO syntax and for C99 syntax
	outside C99 mode.
	(designator): If pedantic, pedwarn for a designator specifying a
	range of elements.
	* c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
	these cases.
	* extend.texi: Document the C99 syntax as the preferred syntax,
	and the pre-2.5 syntax as obsolete.  Mention use of designator
	lists for nested subobjects.

From-SVN: r37421

	* MAINTAINERS: Remove references to cccp. Change C9X reference to
	C99.  Alphabetise "Write After Approval" list.

From-SVN: r37420