* gcse.c (invalid_nonnull_info): New function.
        (delete_null_pointer_checks): Likewise.
        * rtl.h (delete_null_pointer_checks): Declare.
        * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.

From-SVN: r29521

decoders.

From-SVN: r29520

        * flow.c (merge_blocks_move_predecessor_nojumps): New function.
        (merge-blocks_move_successor_nojumps): Likewise.
        (merge_blocks): Allow merging of some blocks, even if it requires
        physical movement of the blocks, but not if it requires new jumps.

From-SVN: r29519

        * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
        Callers and prototype changed.
        * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.

From-SVN: r29518

* config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
-YP when both -p and -pg are present.  From i386/sol2.h.

From-SVN: r29516

From-SVN: r29515

From-SVN: r29514

From-SVN: r29513

From-SVN: r29512

From-SVN: r29511

From-SVN: r29510

	* rtl.h (insns_safe_to_move_p): New function.
	* loop.c (find_and_verify_loops): Use it.
	* rtlanal.c (insns_safe_to_move_p): Define it.

From-SVN: r29509

From-SVN: r29508

        * c-pragma.c: Include ggc.h.
        * Makefile.in (c-pragma.o): Update.

From-SVN: r29507

From-SVN: r29506

	* gxxint.texi: G++ now implements namespaces.

	* decl.c (pop_label): Don't warn about unused labels more than
	once.
	* semantics.c (finish_goto_stmt): Always marked used labels as
	used.

From-SVN: r29505

	* decl.c (layout_var_decl): Change prototype.  Call layout_decl
	even when the declaration is external.
	(cp_finish_decl): Adjust call to layout_var_decl.
	* pt.c (tsubst_expr): Make sure to initialize stmt before using it.

From-SVN: r29504

* config/i386/sol2.h (CPP_SPEC): Support -[p]threads
(LIB_SPEC): Likewise.
(LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
Reindent -YP/-p/-pg.
Copied from config/sparc/sol2.h.

From-SVN: r29503

        * c-pragma.c (mark_align_stack): New.
        (init_pragma): New.
        * c-pragma.h (init_pragma): Declare it.
        * c-lex.c (init_parse): Call it.

From-SVN: r29502

* configure.in: Pick up thread library on Solaris/x86 just
like on Solaris/sparc.
* configure: Rebuilt.

From-SVN: r29501

        * rtl.h (global_rtx_index): New enum.
        (global_rtl): Change to array of rtx.
        (pc_rtx, cc0_rtx): Redefine accordingly.
        (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
        (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
        (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
        (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
        (const_int_rtx): Change to array of rtx.
        (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
        accordingly.
        * emit-rtl.c (global_rtl): Change to array of rtx.
        (const_int_rtx): Change to aray of rtx.
        (gen_rtx_CONST_INT): Redefine accordingly.
        (init_emit_once): Allocate and initialize global_rtl.  Likewise
        for const_int_rtx.  Add both as GC roots.
        * genattrtab.c (global_rtl): Update declaration.

From-SVN: r29500

From-SVN: r29499

From-SVN: r29498

From-SVN: r29497

haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of zapping the LOG_LINKS of sched_before_next_call.

        * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
        zapping the LOG_LINKS of sched_before_next_call.

From-SVN: r29496

From-SVN: r29495

	* typeck.c (get_member_function_from_ptrfunc): Always consider
	virtuality inside member pointer.

From-SVN: r29494

From-SVN: r29493

From-SVN: r29492

        * pa.h (INSN_SETS_ARE_DELAYED): Delete.
        * pa.c (insn_refs_are_delayed): Renamed from
        insn_sets_and_refs_are_delayed.

From-SVN: r29491

	* cp-tree.h (doing_semantic_analysis_p): New macro.
	(SF_DEFAULT): Define to zero, not SF_EXPAND.
	(start_handler_parms): Change prototype.
	(expand_start_catch_block): Likewise.
	(expand_end_catch_block): Likewise.
	(expand_start_eh_spec): Likewise.
	(expand_end_eh_spec): Declare.
	(finish_handler_parms): Change prototype.
	(begin_catch_block): Declare.
	(finish_handler): Change prototype.
	(do_pushlevel): Declare.
	(do_poplevel): Likewise.
	* decl.c (pushlevel): Don't create
	binding levels when not doing semantic analysis.
	(poplevel): Don't pop them.
	(pushdecl): Assert that we are never called when not doing
	semantic analysis.
	(pushdecl_top_level): Use push_to_top_level.
	(make_label_decl): Don't fiddle with obstacks.  Make RTL For the
	label when expanding.
	(cp_finish_decl): Only inject for-scope variables when doing
	semantic analysis.  Add comments.
	(start_handler_parms): Return the handler parm.
	(start_function): Reorganize.  Don't clear DECL_INITIAL if it is
	already set.  Reinitialize from saved function data if available.
	Don't pushlevel when not doing semantic analysis.
	(store_parm_decls): Only generate RTL when expanding.  Only
	pushdecl when doing semantic analysis.  Set
	current_eh_spec_try_block if appropriate.
	(finish_function): Simplify.  Use do_pushlevel and do_poplevel.
	Combine common code.  Don't poplevel when not doing semantic
	analysis.
	(push_cp_function_context): Don't expand functions without an
	explicit call to expand_body.
	(mark_lang_function): Make eh_spec_try_block and
	x_scope_stmt_stack.
	* except.c (expand_end_eh_spec): Don't
	declare.
	(process_start_catch_block): Likewise.
	(push_eh_cleanup): Use finish_decl_cleanup.
	(initialize_handler_parm): New function.
	(expand_start_catch_block): Use it.
	(expand_end_catch_block): Use tree-generation functions, not
	RTL-generation functions.
	(expand_start_eh_spec): Likewise.
	(expand_end_eh_spec): Likewise.
	(expand_exception_blocks): Simplify.
	(start_anon_func): Use do_pushlevel.
	(end_anon_func): Use do_poplvel.  Call expand_body for the
	function.
	* expr.c (do_case): Don't call define_case_label.
	* init.c (create_temporary_var): Set DECL_CONTEXT for local
	variables.
	* method.c (emit_thunk): Call expand_body for the
	thunk.
	(sythesize_method): Likewise.
	* parse.y (handler_args): Give it ttype.
	(eat_saved_input): Call expand_body.
	(base_init): Use do_pushlevel.
	(pending_inline): Call expand_body.
	(handler): Adjust calls to finish_handler_parms and
	finish_handler.
	(handler_args): Don't call expand_start_catch_block.  Return the
	catch parameter.  * pt.c (tsubst_expr): Adjust HANDLER handling.
	* parse.c: Regenerated.
	* rtti.c (synthesize_tinfo_fn): Call finish_function.
	* semantics.c (do_pushlevel): Give it external linkage.  Build
	SCOPE_STMTs.
	(do_poplevel): Likewise.
	(finish_case_label): Call define_case_label when doing semantic
	analysis.
	(finish_goto_stmt): Create RTL for labels.
	(finish_function_try_block): Set in_function_try_handler
	unconditionally.
	(finish_function_handler_sequence): Unset it.
	(finish_handler_parms): Use expand_start_catch_block even when
	building a statement-tree.
	(begin_catch_block): New function.
	(finish_handler): Move a little RTL-generation logic here.
	(finish_decl_cleanup): Allow cleanups for empty declarations.
	(finish_named_return_value): Don't pushdecl when not doing
	semantic analysis.
	(expand_stmt): Don't do semantic analysis for variable
	declarations.  Handle START_CATCH_STMT.  Call expand_label
	directly for a LABEL_STMT.  Tweak handling of GOTO_STMT.  Adjust
	HANDLERs.  Handle SCOPE_STMT, CTOR_INITIALIZER, and RETURN_INIT.
	(expand_body): Let expand_stmt handle CTOR_INITIALIZER,
	RETURN_INIT and function try blocks.

From-SVN: r29490

	* cp-tree.h (language_function): Add x_eh_spec_try_block.  Add
	x_scope_stmt_stack.  Add x_in_charge_parm.
	(current_eh_spec_try_block): New macro.
	(current_scope_stmt_stack): Likewise.
	(current_in_charge_parm): Likewise.
	* decl.c (start_function): Initialize current_in_charge_parm.
	(finish_function): Use current_in_charge_parm rather than looking
	up __in_chrg.
	* search.c (expand_indirect_vtbls_init): Likewise.

From-SVN: r29489

	* cp-tree.def (CLEANUP_STMT): Fix spelling in dumps.
	(TRY_BLOCK): Likewise.
	(HANDLER): Likewise.
	(START_CATCH_STMT): New tree node.
	(SCOPE_STMT): Likewise.
	* cp-tree.h (SCOPE_BEGIN_P): New macro.
	(SCOPE_NULLIFIED_P): Likewise.
	(struct lang_decl_flags): Add pending_inline_p.  Adjust dummy.
	(struct lang_decl): Add saved_language_function.
	(DECL_PENDING_INLINE_INFO): Adjust documentation.
	(DECL_PENDING_INLINE_P): New macro.
	(TYPE_TI_ARGS): Fix typo in comment.
	(DECL_SAVED_TREE): Add to documentation.
	(DECL_SAVED_FUNCTION_DATA): New macro.
	(START_CATCH_TYPE): Likewise.
	(SCOPE_END_P): New macro.
	(declare_parm_level): Don't declare.
	* decl.c (mark_lang_function): New function, split out from
	mark_cp_function_context.
	(save_function_data): New function.
	(declare_parm_level): Remove.
	(finish_function): Use save_function_data to squirrel away
	important stuff for later use.
	(mark_cp_function_context): Use mark_function_data.
	(lang_mark_tree): Likewise.
	* lex.c (begin_definition_of_inclass_inline): Set
	DECL_PENDING_INLINE_P.
	(store_pending_inline): Clear it.
	* pt.c (tsubst_decl): Likewise.

From-SVN: r29488

	* functiion.h (struct function): Add x_whole_function_mode_p.
	(retrofit_block): Declare.
	* function.c (retrofit_block): New function.
	(identify_blocks): Add assertions.  Allow an incomplete set of
	block notes if we're still generating code for the function.
	* integrate.c: Include loop.h.
	(expand_inline_function): Call find_loop_tree_blocks to map block
	notes to blocks when in whole-function mode.  Use retrofit_block
	to insert new BLOCKs for the inlined function, rather than
	insert_block.
	* stmt.c (expand_fixup): Likewise.  Don't use pushlevel/polevel.
	* Makefile.in (integrate.o): Depend on loop.h.

From-SVN: r29487

	* tree.h (warn_about_unused_variables): Declare.
	* stmt.c (warn_about_unused_variables): New function, split out
	from ...
	(expand_end_bindings): Here.

From-SVN: r29486

	* stmt.c (preserve_subexpressions_p): Don't crash when
	current_function->stmt is unset.

From-SVN: r29485

stmt.c (expand_start_bindings): Allow callers to pass a flag indicating that no NOTE_INSN_BLOCK_BEG note is...

	* stmt.c (expand_start_bindings): Allow callers to pass a flag
	indicating that no NOTE_INSN_BLOCK_BEG note is required.
	(expand_start_target_temps): Use it.
	* except.c (expand_eh_region_start_for_decl): Likewise.
	* expr.c (expand_expr): Likewise.

From-SVN: r29484

From-SVN: r29483

From-SVN: r29482

	* libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
	* sparc/sunos4.h (HAVE_ON_EXIT): Remove.

From-SVN: r29481