sparc.h (TARGET_ARCH32): Exchange ifdefs so that if compiling libgcc2 the macro depends always on arch...

	* config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
	compiling libgcc2 the macro depends always on arch cpp defines.

From-SVN: r30995

* loop.c (insert_loop_mem): Don't record MEMs from inside
EXPR_LISTs.

From-SVN: r30994

From-SVN: r30993

	* gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
	notes too, create one when replacement failed, attempt to simplify
	resulting notes.
	(cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
	or REG_EQUIV notes.

From-SVN: r30992

From-SVN: r30991

	* cp-tree.h (cp_tree_index): Add CPTI_DSO_HANDLE.
	(dso_handle_node): New macro.
	(flag_use_cxa_atexit): New variable.
	(declare_global_var): New function.
	(start_anon_func): Remove declaration.
	(end_anon_func): Likewise.
	* decl.c (get_atexit_node): New function, split out from
	destroy_local_static.  Handle flag_use_cxa_atexit.
	(get_dso_handle_node): Likewise.
	(start_cleanup_fn): Renamed from start_anon_func.  Moved here from
	except.c.  Handle flag_use_cxa_atexit.
	(end_cleanup_fn): Renamed from end_anon_func.  Moved here from
	except.c.
	(declare_global_var): New variable.
	(destroy_local_static): Handle flag_use_cxa_atexit.
	* decl2.c (flag_use_cxa_atexit): New variable.
	(lang_f_options): Likewise.
	* except.c (start_anon_func): Remove.
	(end_anon_func): Liekwise.
	* lang-options.h: Add -fuse-cxa-atexit and -fno-use-cxa-atexit.
	* rtti.c (get_tinfo_var): Use declare_global_var.

From-SVN: r30990

	* crtstuff.c (__dso_handle): Declare.
	(__cxa_finalize): Likewise.
	(do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
	non-NULL.

	* invoke.texi: Document -fuse-cxa-atexit.

	* tree.h (ptr_type_node): Document.
	(const_ptr_type_node): Likewise.

From-SVN: r30989

1999-12-16  Bryce McKinlay  <bryce@albatross.co.nz>

        * java/lang/Boolean.java (Boolean(String)): Set Value' to false on a
        null String constructor parameter.
        * java/net/natPlainSocketImpl.cc: Remove unneccessary sprintf calls
        for exception messages.
        BooleanClass: declare.
        (setOption): Use BooleanClass instead of Class.forName() for
        instanceof test.
        (bind): Cast 4th parameter of setsockopt to char *' for
        compatibility with older Solaris headers.
        * java/net/natPlainDatagramSocketImpl.cc: Remove unneccessary
        sprintf calls for exception messages.
        BooleanClass, IntegerClass: declare.
        (setOption): Use BooleanClass and IntegerClass, not Class.forName()
        for instanceof test.

From-SVN: r30988

	* regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
	(optimize_reg_copy_2): Likewise.
	(optimize_reg_copy_3): Likewise.
	(fixup_match_2): Likewise.
	(regmove_optimize): Likewise.
	(fixup_match_1): Liekwise.

From-SVN: r30987

	* regmove.c (copy_src_to_dest): Remove loop_depth parameter.
	(optimize_reg_copy_1): Remove REG_N_REFS updating code.
	(optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
	(regmove_optimize, fixup_match_1): Likewise.

From-SVN: r30986

	* i386.md (HI to SImode promoting splitters): Rewrite.
	(pushsf mem peep2): New.
	(testhi to andhi peep2): Remove.
	* i386.h (x86_promote_QImode): New.
	(TARGET_PROMOTE_QImode): New.
	(PREDICATE_CODES): Add promotable_binary_operator.
	* i386.c (x86_promote_QImode0: New.
	(promotable_binary_operator): New.
	* i386-protos.h (promotable_binary_operator): New.

From-SVN: r30985

	* i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
	condition.
	(one_cmpl?i*): Pass "NOT" to unary_operator_ok.

From-SVN: r30984

1999-12-16  Mark Mitchell  <mark@codesourcery.com>

	* class.c (check_field_decls): Don't return a value.
	(avoid_overlap): Moved here from tree.c.
	(build_base_fields): Likewise.
	(check_bases): New function, split out from finish_base_struct.
	(check_bases_and_members): New function, split out from finish_struct_1.
	(struct base_info): Remove cant_have_default_ctor,
	cant_have_const_ctor, cant_have_asn_ref.
	(finish_base_struct): Split semantic analysis into check_bases.
	(finish_struct_methods): Fix bogus assertion.
	(check_field_decls): Call finish_struct_anon here.
	(build_vbase_pointer_fields): Use CLASSTYPE_N_BASECLASSES.
	(finish_struct_1): Use check_bases_and_members.  Reorganize.
	* cp-tree.h (CLASSTYPE_VBASECLASSES): Improve documentation.
	(build_base_fields): Don't declare.
	* tree.c (avoid_overlap): Remove.
	(build_base_fields): Likewise.

From-SVN: r30983

	* Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
	* function.c (insert_block_after_note): Remove.
	(retrofit_block): Likewise.
	(identify_blocks): Fix indentation.
	(reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
	NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
	* function.h (insert_block_after_note): Remove prototype.
	(retrofit_block): Likewise.
	* integrate.c (expand_inline_function): Don't call
	find_loop_tree_blocks.  Use expand_start_bindings_and_block, not
	just expand_start_bindings.  Use the block_map to remap old
	NOTE_BLOCKs to new ones.
	(integrate_decl_tree): Keep track of remapped blocks.
	* integrate.h (struct inline_remap): Add block_map.
	* stmt.c (expand_fixup): Don't try to retrofit_blocks.  Just set
	NOTE_BLOCK on the notes.
	(expand_start_bindings): Rename to ...
	(expand_start_bindings_and_block): Add parameter.  Set NOTE_BLOCK.
	(expand_end_bindings): Set NOTE_BLOCK.
	* toplev.c (rest_of_compilation): In function-at-a-time-mode,
	reconstruct the BLOCK tree.
	* tree.h (expand_start_bindings): Macroize.  Call ...
	(expand_start_bindings_and_block): New function.

	* optimize.c (struct inline_data): Remove scope_stmt.
	(remap_block): Don't use insert_block_after_note.  Don't update
	scope_stmt.
	(expand_call_inline): Don't update scope_stmt.
	(optimize_function): Don't initialize scope_stmt.
	* semantics.c (expand_stmt): Set NOTE_BLOCK for newly emitted
	NOTE_INSN_BLOCK_BEG/NOTE_INSN_BLOCK_END notes.

From-SVN: r30982

	* config/sparc/sparc.c (print_operand): Cast fprintf arguments to
	match the format.

From-SVN: r30981

	* config/sparc/sparc.c (epilogue_renumber): Add default case
	to switch stmt.

From-SVN: r30980

	* expr.c (emit_move_insn_1): Only emit clobbers if one of
	the outputs is a SUBREG.
	* rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
	change.

From-SVN: r30979

        * toplev.c (rest_of_compilation): Run branch shortening after
        reg-stack.

From-SVN: r30978

From-SVN: r30977

	* regclass.c (loop_depth): Remove
	(scan_one_insn): Do not handle LOOP_NOTE insns.
	(regclass): Go through basic blocks and set loop_cost

From-SVN: r30976

From-SVN: r30975

From-SVN: r30974

From-SVN: r30973

	* i386.md (movqi): Use "nonimmediate_operand" for output operand.
	(movstrictqi, movdi, movsf, movdf, movxf): Likewise.
	(adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.

From-SVN: r30972

From-SVN: r30971

        * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
        to (OP A B).

From-SVN: r30970

From-SVN: r30969

From-SVN: r30968

From-SVN: r30967

	* class.c (handle_using_decl): Get TYPE_FIELDS and TYPE_METHODS
	out of the class, rather than taking them as parameters.
	(build_vbase_pointer_fields): Move here from tree.c.
	(build_vtbl_or_vbase_field): New function.
	(check_methods): Likewise.
	(remove_zero_width_bitfields): Likewise.
	(add_virtual_function): Use tree_cons instead of temp_tree_cons.
	(delete_duplicate_fields_1): Tidy.  Don't delete duplicate
	USING_DECLs here.
	(finish_struct_methods): Handle the case where there are no
	methods here.
	(get_basefndecls): Use tree_cons instead of temp_tree_cons.
	(check_field_decls): Call delete_duplicate_fields here.
	(finish_struct_1): Tidy.  Use check_methods and
	remove_zero_width_bitfields.
	* cp-tree.h (build_vbase_pointer_fields): Remove.
	* decl.c (grokdeclarator): Use tree_cons instead of
	temp_tree_cons.
	* decl2.c (qualified_lookup_using_namespace): Use tree_cons
	instead of temp_tree_cons.
	* lex.c (cons_up_default_function): Remove dead code.
	* method.c (fixup_pending_inline): New function, split out from	...
	(do_inline_function_hair): ... here.
	* tree.c (build_vbase_pointer_fields): Remove.

From-SVN: r30966

        * function.c (retrofit_block): Abort if we don't find a suitable insn.
        (insert_block_after_note): Abort if we don't have a previous block.
        Remove FN parameter.
        * function.h: Adjust.

        * tree.c (walk_tree): Walk operand subtrees in forward order.
        * optimize.c (expand_call_inline): Likewise.
        (optimize_function): Initialize id->scope_stmt to something useful.
        (remap_block): Assume id->scope_stmt has a useful value.

From-SVN: r30965

	* java/lang/natSystem.cc (init_properties): Don't set user.name or
	user.home if NO_GETUID defined.  Only set user.dir if getcwd
	exists.

	* include/config.h.in: Rebuilt.
	* acconfig.h (NO_GETUID): New define.
	* configure.in: Rebuilt.
	* configure.in: Define NO_GETUID in cross case.  Check for getcwd
	in native case.

From-SVN: r30964

	* builtins.c (expand_builtin_mathfn): Make sure not to expand the
	argument more than once.

From-SVN: r30963

From-SVN: r30962

From-SVN: r30961

From-SVN: r30960

	* function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
	(assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
	update stack_alignment_needed.
	(prepare_function_start): Initialize stack_alignment_needed
	* function.h (struct function): Add field stack_alignment_needed.

From-SVN: r30958

	* caller-save.c (insert_one_insn): Returns struct insn_chain *.
	Handle live_throughout / dead_or_set instead of live_before /
	live_after.
	(save_call_clobbered_regs): Get register livenessinformation from
	chain->live_throughout.
	(add_stored_regs): New function.
	(insert_restore, insert_save): Add restored / saved registers to
	dead_or_set.
	* global.c (reg_dies): New parameter chain.
	(reg_becomes_live): Third parameter is regs_set now.
	Changed all callers.
	(reg_dies): New parameter chain.  Changed all callers.
	(build_insn_chain): Set live_throughout instead of
	live_before / live_after.
	* reload.h (struct insn_chain): Replace members live_before /
	live_after with live_throughout / dead_or_set.
	* reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
	instead of live_before / live_after.
	(maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
	(order_regs_for_reload, find_reg, finish_spills): Likewise.
	(choose_reload_regs_init): Likewise.
	* stupid.c (current_chain, find_clobbered_regs): Delete.
	(stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
	instead of chain->live_before / chain->live_after.
	(mark_hard_ref): New function.
	(stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.

From-SVN: r30957

1999-12-15  David S. Miller  <davem@redhat.com>

	* rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.

From-SVN: r30956

flow.c (calculate_loop_depth): Make global, remove prototype, rewrite to use new loop infrastructure.

	* flow.c (calculate_loop_depth): Make global, remove prototype,
	rewrite to use new loop infrastructure.
	(find_basic_block): Remove calculate_loop_depth call.
	* toplev.c (rest_of_compilation): Call find_basic_block.
	* output.h (calculate_loop_depth): Declare.

From-SVN: r30955