* cppfiles.c (open_include_file): Open file in blocking mode.
	(read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
	Only exclude block devices and directories.

From-SVN: r33583

From-SVN: r33582

	* cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
	static.  Allocate the hashnode and its string in the same
	block of memory.
	(del_HASHNODE): Don't free h->name.
	(_cpp_lookup): If there is no entry for this string, create
	one, of type T_VOID.
	(_cpp_lookup_slot): Delete.
	* cpphash.h: Update prototypes.

	* cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
	not hp == NULL.
	* cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
	do_unassert, cpp_defined): Use _cpp_lookup.  Don't create a
	node here, just fill in the value field properly.  "Delete"
	entries by setting the value field to T_VOID.  Check for
	hp->type == T_VOID, not hp == NULL.

	* Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
	* cpperror.c, cppexp.c, cpplex.c, cpplib.c:  Don't include
	hashtab.h.

From-SVN: r33581

2000-04-30  Benjamin Kosnik  <bkoz@gnu.org>

	* config/cpu/powerpc/bits/atomicity.h: Fix typo.
	* mknumeric_limits (trait_name): Fix copyright notice.
	* src/gen-num-limits.cc: Explicitly instantiate epsilon and
	round_error data members of struct value. This works around
	weak-linking issues on AIX, HPUX.

From-SVN: r33580

From-SVN: r33579

From-SVN: r33578

* config/mn10300/mn10300.c (print_operand_address): Do not add
zero to SP.

From-SVN: r33577

From-SVN: r33576

From-SVN: r33575

From-SVN: r33574

* config/mn10300/mn10300.c (expand_epilogue): If SP is to be
adjusted by less than 256 bytes, use ret regardless of having any
callee-saved register to restore.

From-SVN: r33573

From-SVN: r33572

	* cp-tree.h (same_type_ignoring_top_level_qualifiers_p): New
	macro.
	* call.c (standard_conversion): Use it.
	(direct_reference_binding): Likewise.
	(build_over_call): Likewise.
	(is_properly_derived_from): Likewise.
	(compare_ics): Likewise.
	* class.c (resolves_to_fixed_type_p): Likewise.
	* optimize.c (declare_return_variable): Likewise.
	* pt.c (is_specialization_of): Likewise.
	(unify): Likewise.
	* typeck.c (comp_target_parms): Likeiwse.
	(build_static_cast): Likewise.
	(build_reinterpret_cast): Likewise.
	(build_const_cast): Likewise.
	(comp_ptr_ttypes_real): Likewise.
	(comp_ptr_ttypes_const): Likewise.
	* typeck2.c (process_init_constructor): Likewise.

From-SVN: r33571

        * config/i386/djgpp.h (INT_ASM_OP): Define.
        (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
        (ASM_WEAKEN_LABEL): Define.
        (MASK_BNU210): Define.
        (SUBTARGET_SWITCHES): Define.
        (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
        (MAKE_DECL_ONE_ONLY): Define.
        (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.

From-SVN: r33570

From-SVN: r33569

	* config/avr/avr.c (address_cost): renamed to avr_address_cost.
	* config/avr/avr.h (ADDRESS_COST): use avr_address_cost.

From-SVN: r33568

	* config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
	__tmp_reg__ and __zero_reg__ initialization.

From-SVN: r33567

From-SVN: r33566

From-SVN: r33565

From-SVN: r33564

ifcvt.c (noce_process_if_block): Fail the conversion if X is referenced bewteen the condition and the jump.

        * ifcvt.c (noce_process_if_block): Fail the conversion if X is
        referenced bewteen the condition and the jump.  Don't delete
        anything but the jump.

From-SVN: r33563

	* decl.c (finish_destructor_body): Use the base destructor when
	destroying virtual bases.

From-SVN: r33562

	* expr.c (cplus_expand_expr): Preserve temporaries when expanding
	STMT_EXPRs.
	* optimize.c (struct inline_data): Add target_exprs field.
	(declare_return_variable): When a function returns an aggregate,
	use the variable declared in the TARGET_EXPR as the remapped
	DECL_RESULT.
	(expand_call_inline): Update the pending target_exprs stack.
	(optimize_function): Initialize the stack.

From-SVN: r33561

Sun Apr 30 22:48:24 2000  Jason Eckhardt  <jle@cygnus.com>

	* bb-reorder.c (scope_def): New struct.
	(scope_forest_info): New struct.
	(struct reorder_block_def): New member "scope".
	(REORDER_BLOCK_SCOPE): New macro.
	(relate_bbs_with_scopes): New function and prototype.
	(make_new_scope): Likewise.
	(build_scope_forest): Likewise.
	(remove_scope_notes): Likewise.
	(insert_intra_1): Likewise.
	(insert_intra_bb_scope_notes): Likewise.
	(insert_inter_bb_scope_notes): Likewise.
	(rebuild_scope_notes): Likewise.
	(free_scope_forest_1): Likewise.
	(free_scope_forest): Likewise.
	(dump_scope_forest): Likewise.
	(dump_scope_forest_1): Likewise.
	(chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
	Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
	block.
	(reorder_basic_blocks): Added calls to build_scope_scope_forest
	and remove_scope_notes before reordering is done. Added calls to
	rebuild_scope_notes, free_scope_forest, and reorder_blocks after
	after reordering is done.

From-SVN: r33560

From-SVN: r33559

2000-04-30  Benjamin Kosnik  <bkoz@gnu.org>

	* mknumeric_limits (trait_name): Fix copyright notice.
	* src/gen-num-limits.cc: Explicitly instantiate epsilon and
	round_error data members of struct value. This works around
	weak-linking issues on AIX, HPUX.

From-SVN: r33558

From-SVN: r33557

From-SVN: r33556

ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes from the last insn in the sequence.

        * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
        from the last insn in the sequence.

From-SVN: r33555

From-SVN: r33554

	* optimize.c (initialize_inlined_parameters): If the parameter is
	addressable, we need to make a new VAR_DECL, even if the
	initializer is constant.

From-SVN: r33553

	* cpplex.c (cpp_idcmp): New function.
	* cpplib.h: Prototype it.
	* scan_decls.c (scan_decls): Use it to inspect token names.
	* fix-header.c (read_scan_file): Likewise.  Set system_header_p on
	the file being run through the preprocessor.
	(check_macro_names): Provide length of token to cpp_defined.

	* Makefile.in: Remove stale warning message.

From-SVN: r33552

	* cppfiles.c (redundant_include_p): Provide length of token to
	cpp_defined.
	* cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
	values are unsigned int.
	(_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
	(_cpp_lookup_slot): Do not calculate the hash, either.
	* cpphash.h: Update prototypes.
	* cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
	Hashes are unsigned int.  Calculate hash here, pass by value
	to _cpp_lookup_slot.

From-SVN: r33551

2000-04-28  Loren J. Rittle  <ljrittle@acm.org>

        * mkcheck.in: Rely on exit status instead of the presence of a
        core file.  Added comments on how/where to save core and exe
        files.  Move shell wildcards outside quotes and fix core path.

From-SVN: r33550

From-SVN: r33549

        * config/d30v: New port.

        * configure.in (d30v-*): Set fp format.
        * configure: Rebuild.

From-SVN: r33548

        * ifcvt.c: New file.
        * Makefile.in (OBJS): Add it.
        (ifcvt.o): New target.
        * jump.c (jump_optimize_1): Remove all code related to if-conversion,
        and conditional arithmetic.
        (find_insert_position): Remove.
        * timevar.def (TV_IFCVT, TV_IFCVT2): New.
        * toplev.c (DFI_ce, DFI_ce2): New.
        (dump_file): Add ce and ce2 dumps.
        (rest_of_compilation): Run if_convert a couple o times.  Set
        cse_not_expected after cse2.  Don't set no_new_pseudos until
        after sched1 or recompute_reg_usage.

From-SVN: r33547

        * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
        (crtend.o, crtbeginS.o, crtendS.o): Likewise.

From-SVN: r33546

From-SVN: r33545

        * flow.c (struct reg_cond_life_info): New.
        (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
        (init_propagate_block_info): Initialize them.
        (free_propagate_block_info): Destruct them.
        (mark_set_1): Consider conditional life before killing a register.
        (mark_regno_cond_dead): New.
        (free_reg_cond_life_info): New.
        (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
        (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
        (mark_used_reg): Record conditional life.

        * haifa-sched.c (schedule_insns): Disable death counting
        sanity check for HAVE_conditional_execution.

From-SVN: r33544