gcse.c (delete_null_pointer_checks_1): Kill unused s_preds argument.

[gcc.git] / gcc / ChangeLog

Sun Nov 14 23:11:05 1999  Jeffrey A Law  (law@cygnus.com)

	* gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
	argument.  All callers changed.
	(delete_null_pointer_checks_1): No longer need to compute the
	pred/succ lists.

	* gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
	All callers changed.
	(pre_expr_reaches_here_p_work): Likewise.
	(pre_edge_insert): No longer call pre_expr_reaches_here_p.
	* lcm.c (compute_laterin): Fix initialization of LATER.
	(compute_nearerout): Similarly for NEARER.

Sun Nov 14 12:41:57 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

	* cse.c (set_nonvarying_address_components): Delete unused function.
	(refers_to_p): Likewise.

Fri Nov 12 20:53:22 1999  Jeffrey A Law  (law@cygnus.com)

	* function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
	needed.

Sat Nov 13 16:20:09 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
 	definition in do while (0).

Fri Nov 12 16:26:25 1999  Jim Wilson  <wilson@cygnus.com>

	* stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.

Fri Nov 12 12:43:49 1999  Richard Henderson  <rth@cygnus.com>

	* unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.

Fri Nov 12 15:14:19 1999  Vladimir Makarov  <vmakarov@tofu.to.cygnus.com>

	* i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
	(FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
	(ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
	(INITIAL_FRAME_POINTER_OFFSET): Remove it.

	* i960.c (i960_function_prologue): Don't allocate space for g8-g11
 	saved on the stack.  Output more accurate stack frame statistics
	into assembler file.

1999-11-12 11:47 -0800  Zack Weinberg  <zack@bitmover.com>

	* genextract.c (record_insn_name): New function.
	(get_insn_name): No longer a stub.
	(main): Call record_insn_name for each insn.  After each label
	written, print the insn name in a comment.

Fri Nov 12 13:45:02 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* output.h (const_section, init_section, fini_section): Add
	prototypes.

	* alpha/elf.h (const_section): Delete declaration.

	* svr4.h (const_section): Likewise.

Fri Nov 12 08:54:22 1999  Mark Mitchell  <mark@codesourcery.com>

	* tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
	* tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
	(unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
	expressions.
	* stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
	variable-sized array bounds.
	
Fri Nov 12 08:04:45 1999  Catherine Moore  <clm@cygnus.com>

	* defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME):  Use
        ASM_OUTPUT_LABEL.

Fri Nov 12 13:31:54 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

	* config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
	addresses the same way GO_IF_LEGITIMATE_INDEX does. 

Fri Nov 12 12:36:04 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

	* cse.c (hash_arg_in_struct): Delete.
	(struct table_elt): Delete elt in_struct.
	(struct set): Delete elt src_in_struct.
	(merge_equiv_classes): Don't set either hash_arg_in_struct or
	the corresponding in_struct elts.
	(canon_hash): Likewise.
	(safe_hash): Likewise.
	(find_best_addr): Likewise.
	(record_jump_cond): Likewise.
	(cse_insn): Likewise.

Thu Nov 11 19:45:24 1999  Jim Wilson  <wilson@cygnus.com>

	* loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.

	* dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
	unsigned types.

Thu Nov 11 18:54:24 1999  Jeffrey A Law  (law@cygnus.com)

	* function.c (diddle_return_value): Put back check that the DECL_RTL
	for the function is a register.

	* function.c (diddle_return_value): Use hard_function_value to
	get an rtx suitable for use in the USE/CLOBBER insn.

	* global.c (global_conflicts): Update comments.
	(record_conflicts): No need to record conflicts between pseudos here.

1999-11-11  Bruce Korb  <autogen@linuxbox.com>

	* fixinc/fixincl.c: Added verbose levels for status messages

Thu Nov 11 13:23:04 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

	* jump.c (jump_optimize_1): Avoid passing an rtx that is not an
	operand as argument to expand_and or expand_binop.

Thu Nov 11 02:21:16 1999  Rodney Brown <RodneyBrown@pmsc.com>

	* xcoffout.c (xcoffout_source_file): Change ggc_add_root to
	gcc_add_string_root.

Wed Nov 10 21:24:19 1999  Jason Eckhardt  <jle@cygnus.com>

	* config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.

Wed Nov 10 15:56:16 1999  Jeffrey A Law  (law@cygnus.com)

	* flow.c (compute_flow_dominators): Initially put all blocks on
	the worklist.
	* lcm.c (compute_antinout_edge, compute_available): Similarly.
	* gcse.c (compute_cprop_avinout): Remove.
	(compute_cprop_data): Use compute_available.
	(delete_null_pointer_checks_1): Use compute_available.

	* basic-block.h (compute_available): Returns a void now.
	* gcse.c (one_classic_gcse_pass): Do not expect compute_available
	to return a value anymore.
	* lcm.c (compute_available, compute_antinout_edge): Revamp to use
	worklists.  Fix boundary cases. Compute maximal solutions.
	(compute_laterin, compute_nearerout): Similarly.

        * dwarf2out.c (add_AT_location_description): Allow
        (mem (plus (pseudo) (...)) too.

Wed Nov 10 10:52:42 1999  Tom Tromey  <tromey@cygnus.com>

	* gcc.c (do_spec_1): Support text between `%u' and `%O'.

Wed Nov 10 12:43:21 1999  Philippe De Muyter  <phdm@macqel.be>
                          Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.

	* gansidecl.h: Likewise.

	* rtl.c: Likewise.

	* rtl.h: Likewise.

	* toplev.h: Likewise.

	* tree.c: Likewise.

	* tree.h: Likewise.

	* varray.c: Likewise.

	* varray.h: Likewise.

Wed Nov 10 10:57:22 1999  Clinton Popetz  <cpopetz@cygnus.com>

	* gcov.c (struct arcdata): Add hits and total, remove prob.
	(output_branch_counts): New.
	(process_args): Set output_branch_counts if -c.
	(calculate_branch_probs): Store hits and total instead of
	percentage.
	(output_data): Emit counts if output_branch_counts is true.
	* gcov.texi (Invoking Gcov): Document -c switch..

Wed Nov 10 01:10:41 1999  Philippe De Muyter  <phdm@macqel.be>

	* genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
	`INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.

Wed Nov 10 00:51:41 1999  Hans-Peter Nilsson  <hp@axis.se>

	* invoke.texi (C Dialect Options): Add missing builtins from
	c-common.c to list.
	* extend.texi (Other Builtins): Copy to this list.

Wed Nov 10 04:58:09 1999  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>

	* Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
	(print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise.  Remove
	redundant bitmap.h.

Wed Nov 10 00:02:53 1999  Jeffrey A Law  (law@cygnus.com)

        * flow.c (compute_flow_dominators): No longer treat basic block 0
        or (n_basic_blocks - 1) specially.  Clear the AUX field before
        starting computation of doms/pdoms.  Fix initial state for pdoms.

Wed Nov 10 03:58:08 1999  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>

	* Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
	match rtl.o's: added ggc.h and toplev.h
	($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
	($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
	($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).

Tue Nov  9 10:30:08 1999  Tom Tromey  <tromey@cygnus.com>

	* config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
	from HAVE_DOS_BASED_FILESYSTEM.
	* gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
	HAVE_DOS_BASED_FILESYSTEM.
	(main): Likewise.
	(split_directories): Only special-case DOS file names if
	HAVE_DOS_BASED_FILE_SYSTEM is defined.  Use IS_DIR_SEPARATOR
	instead of explicit tests.  Conditionalize on !VMS.
	(make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
	tests.  Conditionalize on !VMS.
	(process_command): Only use make_relative_prefix if !VMS.
	(free_split_directories): Conditionalize on !VMS.
	(DIR_UP): Conditionalize on !VMS.

Wed Jun  9 16:57:11 1999  Mumit Khan  <khan@xraylith.wisc.edu>

	* gcc.c (STANDARD_BINDIR_PREFIX): Provide default.

Fri Feb  5 14:22:01 1999  Mumit Khan  <khan@xraylith.wisc.edu>

	* gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
	case.

Mon Nov  8 14:16:57 1999  Michael Meissner  <meissner@cygnus.com>

	* invoke.texi (Environment Variables): Document relative path
	lookup.
	* gcc.c (DIR_UP): If not defined, define as "..".
	(standard_bindir_prefix): New static, holds target location to
	install binaries.
	(split_directories): New function to split a filename into
	component directories.
	(free_split_directories): New function, release memory allocated
	by split_directories.
	(make_relative_prefix): New function, make a relative pathname if
	the compiler is not in the expected location.
	(process_command): If GCC_EXEC_PREFIX was not specified, see if we
	can figure out an appropriate prefix from argv[0].
	* Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
	STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX.  Define
	STANDARD_BINDIR_PREFIX.

Wed Nov 10 11:47:54 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x-protos.h: New file.  Prototypes for functions defined
	in c4x.c.
	* config/c4x/c4x.h: Moved prototypes to c4x.h.
	* config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
	c4x_secondary_memory_needed) Delete.
	(fp_zero_operand): Add mode argument.

Thu Nov  4 15:52:35 1999  Andrew Haley  <aph@cygnus.com>

	* reload1.c (reload_reg_free_for_value_p): Don't use a register
	that is in reload_reg_used.

Tue Nov  9 16:43:00 1999  Nick Clifton  <nickc@cygnus.com>

	* config/arm/arm-protos.h: New file: Prototypes for functions
	defined in arm.c and pe.c.
	* config/arm/arm.h: Fix compile time warnings.
	* config/arm/arm.c: Fix compile time warnings.
	* config/arm/pe.h: Fix compile time warnings.
	* config/arm/aout.h: Fix compile time warnings.

Tue Nov  9 14:55:44 1999  Nick Clifton  <nickc@cygnus.com>

	* config/m32r/m32r-protos.h: New file: Prototypes for functions
	defined in m32r.c
	
	* config/m32r/m32r.h: Move prototypes to m32r-protos.h
	Add support for subtargets.
	Add prototypes for new predicates.
	Add scheduling macros.
	
	* config/m32r/m32r.c: Fix compile time warnings.
	(int8_operand): New predicate function.
	(reg_or_cmp_int16_operand): New predicate function.
	(extend_operand): New predicate function.
	(m32r_adjust_code): New scheduling function.
	(m32r_adjust_priorty): New scheduling function.
	(m32r_sched_init): New scheduling function.
	(m32r_sched_reorder): New scheduling function.
	(m32r_sched_variable_issue): New scheduling function.
	(direct_return): New codegen function.
	(m32r_not_same_reg): New rtl testsing function.
	
	* config/m32r/m32r.md: Fix compile time warnings.
	Add support for pre decrement and post increment memory
	references.
	Add S<cc> patterns.
	Add fabs patterns.
	
Mon Nov  8 22:20:13 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

	* global.c (EXECUTE_IF_CONFLICT): Don't define.
	(prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
	(find_reg): Likewise.

Mon Nov  8 13:16:46 1999  Jason Eckhardt  <jle@cygnus.com>

	* config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
	to avoid assembler errors.

Mon Nov  8 15:38:41 1999  Nick Clifton  <nickc@cygnus.com>

	* config/v850/v850-protos.h: New file: Prototypes for functions
	defined in v850.c
	* config/v850/v850.h: Move prototypes to v850-protos.h
	* config/v850/v850.c: Move prototypes to v850-protos.h
	* config/v850/v850.md: Fix compile time warnings.

	* config/fr30/fr30-protos.h: New file: Prototypes for functions
	defined in fr30.c
	* config/fr30/fr30.h: Move prototypes to fr30-protos.h
	* config/fr30/fr30.c: Fix compile time warnings.
	* config/fr30/fr30.md: Fix compile time warnings.

Mon Nov  8 07:25:37 1999  Mark Mitchell  <mark@codesourcery.com>

	* tree.h (get_containing_scope): Declare it.
	* tree.c (get_containing_scope): New fucntion.
	(decl_function_context): Use it.
	* toplev.c (rest_of_compilation): Use get_containing_scope.

aMon Nov  8 03:03:07 1999  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>

	* Makefile.in (rtl.o): Depend on toplev.h.

Sun Nov  7 20:55:14 1999  Mark Mitchell  <mark@codesourcery.com>

	* cse.c (delete_trivially_dead_insns): Replace alloca with
	xmalloc/xcalloc.
	* except.c (update_rethrow_references): Likewise.
	(init_eh_nesting_info): Likewise.
	* function.c (identify_blocks): Likewise.
	* gcse.c (dump_hash_table): Likewise.
	* graph.c (print_rtl_graph_with_bb): Likewise.
	* loop.c (combine_movables): Likewise.
	(move_movables): Likewise.
	(count_loop_regs_set): Likewise.
	(strength_reduce): Likewise.
	* profile.c (compute_branch_probabilities): New function, split
	out from ...
	(branch_prob): Here.  Replace alloca with xmalloc/xcalloc.
	* regclass.c (regclass): Likewise.
	* regmove.c (regmove_optimize): Likewise.
	* toplev.c (compile_file): Likewise.
	(main): Don't mess with the stack rlimit.
	
Sun Nov  7 19:41:17 1999  Catherine Moore  <clm@cygnus.com>

        * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
        (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.

Sun Nov  7 10:23:28 1999  Mark P. Mitchell  <mark@codesourcery.com>

	* integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.

Sun Nov  7 02:58:48 1999  Jeffrey A Law  (law@cygnus.com)

	* global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
	(EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
	macro expansion.

Sat Nov  6 23:48:30 1999  Robert Lipe  (robertlipe@usa.net)

	* global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.

Sat Nov  6 17:34:39 1999  Jeffrey A Law  (law@cygnus.com)

	* gcse.c (post_dominators): Kill.
	(alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
	(compute_code_hoist_data): Use compute_flow_dominators.  Do not
	pass in a pdom array since we do not need pdoms.
	* haifa-sched.c (schedule_insns): Similarly.
	* flow.c (compute_dominators): Remove dead function.
	(compute_flow_dominators): Do not compute doms or pdoms if the
	caller does not request them.  Split up loop to build doms and
	pdoms.  Use a worklist to compute doms and pdoms.
	* basic-block.h (compute_dominators): Remove prototype.

Sat Nov  6 11:38:39 1999  Richard Henderson  <rth@cygnus.com>

	* haifa-sched.c (struct haifa_insn_data, h_i_d): New.
	(insn_luid, insn_priority, insn_costs, insn_units): Remove.
	(insn_reg_weight, insn_depend, insn_dep_count): Remove.
	(insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
	(cant_move, fed_by_spec_load, is_load_insn): Remove.
	(schedule_region): Remove unused variable.
	(schedule_insns): Allocate h_i_d, and not all the separate arrays.

Sat Nov  6 10:00:34 1999  Mark Mitchell  <mark@codesourcery.com>

	* local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
	(update_equiv_regs): Likewise.
	(block_alloc): Likewise.
	* reg-stack.c (reg_to_stack): Likewise.
	(convert_regs_2): Likewise.
	* reload1.c (reload_as_needed): Likewise.
	
Sat Nov  6 09:57:59 1999  Mark Mitchell  <mark@codesourcery.com>

	* Makefile.in (dbxout.o): Depend on ggc.h.
	(dwarf2out.o): Likewise.
	(xcoffout.o): Likewise.
	* dbxout.c: Include ggc.h.
	(dbxout_init): Register lastfile as a root.
	* dwarf2out.c: Include ggc.h.
	(dwarf2out_line): Register lastfile as a root.
	* xcoffout.c: Include ggc.h.
	(xcoffout_source_line): Register xcoff_lastfile as a root.

Sat Nov  6 09:52:09 1999  Richard Henderson  <rth@cygnus.com>

	* i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.

Sat Nov  6 07:48:59 1999  Catherine Moore  <clm@cygnus.com>

        * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
        defined.
        (ASM_DECLARE_FUNCTION_SIZE): Likewise.

Fri Nov  5 18:33:39 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

	* global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
	(EXECUTE_IF_CONFLICT): Likewise.
	(ALLOCNO_LIVE_P): Avoid signed division.
	(SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
	(prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
	(record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.

Fri Nov  5 12:04:02 1999  Richard Henderson  <rth@cygnus.com>

	* haifa-sched.c (schedule_block): Don't crash if there's no
	next insn for an interblock movement.
	(add_branch_dependences): Don't allow clobber insns to move either.

Fri Nov  5 10:18:11 1999  Richard Henderson  <rth@cygnus.com>

	* i386.c (split_xf): New.
	* i386-protos.h: Declare it.
	* i386.md (movxf_1): Add general regs alternatives.
	(movxf_1+1): New splitter for same.

Fri Nov  5 12:05:52 1999  Nick Clifton  <nickc@cygnus.com>

	* function.c (purge_addressof_1): Add missing return values.

Fri Nov  5 10:07:25 1999  Nick Clifton  <nickc@cygnus.com>

	* function.c (is_addressof): New function.  Returns true if
	the given piece of RTL is an ADDRESSOF.
	(purge_addressof_1): Make boolean.  Return false if the
	ADDRESSOFs could not be purged.
	(purge_addressof): If ADDRESSOFs could not be purged from the
	notes attached to an insn, remove the offending note(s),
	unless they are attached to a libcall.

1999-11-05  Andreas Jaeger  <aj@suse.de>

	* genoutput.c (null_operand =): Initialize all fields.

	* errors.h: Add extern to prototypes.

Fri Nov  5 01:44:09 1999  Jeffrey A Law  (law@cygnus.com)

	* configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
	* configure: Rebuilt.

Fri Nov  5 01:24:37 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

	* global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
	(mirror_conflicts): New function.
	(global_alloc): Call it.
	(expand_preferences): Remove redundant CONFLICTP test.
	(find_reg, dump_conflicts): Likewise.
	(prune_preferences): Process conflicts one word at a time.

Fri Nov  5 01:05:21 1999  Richard Henderson <rth@cygnus.com>

	* global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
	instead of an explicit loop.

Thu Nov  4 23:07:14 1999  Jim Wilson  <wilson@cygnus.com>

	* cse.c (cse_insn): Revert Oct 31 change.  When computing src_elt,
	if REG_RETVAL check succeeds, then put classp in src_elt.

Thu Nov  4 23:48:14 1999  Jeffrey A Law  (law@cygnus.com)

	* function.c (pad_to_arg_alignment): Only update argument_pad
	if the argument's alignment is greater than STACK_BOUNDARY.

Thu Nov  4 16:44:53 1999  Richard Henderson  <rth@cygnus.com>

	* bitmap.h (BITMAP_XFREE): New.
	* flow.c (life_analysis): Use it.
	(life_analysis_1): Free blocks.

	* combine.c (undo_commit): New.
	(try_combine): Use it.  Don't zap undobuf.undos.
	(combine_instructions): Don't zap undobuf.undos; free the
	undobuf.frees list.

	* local-alloc.c (local_alloc): Free qty_phys_num_sugg.

	* stmt.c (cost_table_): New.
	(estimate_case_costs): Use it instead of xmalloc.

	* toplev.c (compile_file): Reuse dumpname memory instead
	of strdup'ing it.

Thu Nov  4 16:36:44 1999  Richard Henderson  <rth@cygnus.com>

	* reg-stack.c (convert_regs_1): Initialize target_stack->top
	after verifying an EH edge.

	* haifa-sched.c (init_rgn_data_dependences): Correctly
	size bb_pending_lists_length when zeroing.

Thu Nov  4 16:36:36 1999  Richard Henderson  <rth@cygnus.com>

	* function.c (diddle_return_value): New.
	(expand_function_end): Use it.
	* stmt.c (expand_null_return): Likewise.
	(expand_value_return): Likewise.

	* reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.

	* reload1.c (reload): Don't remove return value clobbers.

Thu Nov  4 13:33:46 1999  Richard Henderson  <rth@cygnus.com>

	* rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.

Thu Nov  4 12:49:52 1999  Richard Henderson  <rth@cygnus.com>

	* cse.c (cse_main): Use xmalloc, not alloca.
	(cse_basic_block): Likewise.
	* local-alloc.c (local_alloc): Likewise.

Thu Nov  4 14:22:12 1999  David Billinghurst  <David.Billinghurst@riotinto.com.au>
			  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>

	* rtl.c: Include toplev.h.
	(fatal): Remove declaration.

Thu Nov  4 06:39:47 1999  Jeffrey A Law  (law@cygnus.com)

	* haifa-sched.c (schedule_block): Fix thinko.

1999-11-03  James McKelvey <mckelvey@fafnir.com>

	* fixinc/fixincl.c(create_file):  Allow for systems that do not have
	S_IR* defined values

1999-11-03  Philippe De Muyter  <phdm@macqel.be>

	* fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
	call `malloc' instead.

Wed Nov  3 23:05:14 1999  Mark Mitchell  <mark@codesourcery.com>

	* flags.h (flag_renumber_insns): Declare.
	* emit-rtl.c (renumber_insns): Check flag_renumber_insns.  Print
	renumbering table.
	* rtl.h (renumber_insns): Change prototype.
	* toplev.c (flag_renumber_insns): Define.
	(rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
	
Wed Nov  3 15:11:27 1999  David S. Miller  <davem@redhat.com>

	* config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
	and fpsqrtd.  Use them and create fdiv function unit to more
	accurately represent fpu sqrt pipeline semantics on UltraSparc.
	* config/sparc/sparc.c: Account for fpsqrt{s,d} changes.

Wed Nov  3 15:11:27 1999  Matteo Frigo <athena@fftw.org>

	* config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
	3 on UltraSparc.
	* config/sparc/sparc.c (ultra_schedule_insn): Insert launched
	insn into ready list, do not use just a raw swap.

Wed Nov  3 14:51:59 1999  Mark P. Mitchell  <mark@codesourcery.com>

	* rtl.h (renumber_insns): New function.
	(remove_unnecessary_notes): Likewise.
	* emit-rtl.c (renumber_insns): Define.
	(remove_unncessary_notes): Likewise.
	* toplev.c (rest_of_compilation): Remove dead code.
	Use renumber_insns and remove_unncessary_notes.

	* gcse.c (struct null_pointer_info): New type.
	(get_bitmap_width): New function.
	(current_block): Remove.
	(nonnull_local): Likewise.
	(nonnull_killed): Likewise.
	(invalidate_nonnull_info): Take a null_pointer_info as input.
	(delete_null_pointer_checks_1): New function.
	(delete_null_pointer_checks): Use it.

	* haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
	(split_edges): Likewise.
	(schedule_block): Likewise.
	(compute_block_backward_dependencies): Likewise.
	(schedule_region): Likewise.
	(schedule_insns): Likewise.
	
Wed Nov  3 15:40:23 1999  Catherine Moore  <clm@cygnus.com>

	* defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
	* emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
	* final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
	* ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
	* jump.c (delete_unreferenced_labels): Don't delete if
	LABEL_ALTERNATE_NAME is set.
	* print-rtl.c (print_rtx): Dump alternate name.
	* rtl.def (CODE_LABEL): Change format to "iuuis00s".
	* rtl.h (LABEL_ALTERNATE_NAME): Define.
	* rtl.texi (LABEL_ALTERNATE_NAME): Document.
	* tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.

Wed Nov  3 15:39:19 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* fix-header.c (recognized_extern, recognized_function): Constify
	a char*.

	* lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
	(pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
	(compute_available): Remove unused variable `last'.
	(compute_nearerout): Remove unused variable `temp_bitmap'.
	(pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
	Remove unused variable `x'.

	* scan.h (recognized_function, recognized_extern): Constify a
	char*.

	* simplify-rtx.c (simplify_rtx): Remove unused variable `new'.

Wed Nov  3 10:40:53 1999  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

	 * varasm.c (decode_rtx_const): Use XSTR to access the string
	 of a SYMBOL_REF.

Wed Nov  3 10:10:58 1999  Richard Henderson  <rth@cygnus.com>

	* c-decl.c (duplicate_decls): Copy DECL_MODE too.

Wed Nov  3 12:12:59 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

	* reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.

Wed Nov  3 03:26:28 1999  Jeffrey A Law  (law@cygnus.com)

	* pa.c (ireg_operand): New function.
	* pa.h (PREDICATE_CODES): Handle ireg_operand.
	* pa.md (parallel_addb, parallel_movb): Use ireg_operand.
	Fix out of date comment.

	* pa.md (negdi2): Turn into expander + anonymous pattern.

	* reload.c (find_reloads): Fix typos in recent change.

	* dwarf2out.c: Do not include ctype.h.

Tue Nov  2 21:53:44 1999  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* regclass.c (record_reg_classes): Always use may_move_cost when
	seeing how operand fits with various register classes.

Tue Nov  2 15:38:17 1999  Richard Henderson  <rth@cygnus.com>

	* resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
	* toplev.c: Revert Nov 1 13:22 change.

Tue Nov  2 14:21:37 1999  Jason Eckhardt  <jle@cygnus.com>

	* config/pa/pa.md (height reduction patterns): Add checks for
	overlapping operands to avoid semantic-destroying splits for 
	height reduction patterns.

Tue Nov  2 15:27:31 1999  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>

	* configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
	have been an hyphen, fixed.
	* configure: Rebuilt.

Tue Nov  2 17:04:36 1999  Nick Clifton  <nickc@cygnus.com>

	* config/arm/tpe.h: Add prototypes for exported functions.
	* config/arm/pe.c: Fix compile time warnings.
	* config/arm/semi.h: Fix compile time warnings.
	* config/arm/arm.c: Fix compile time warnings.
	* config/arm/arm.h: Fix compile time warnings.
	* config/arm/arm.md: Fix compile time warnings.
	* config/arm/thumb.c: Fix compile time warnings.
	* config/arm/thumb.h: Fix compile time warnings.
	* config/arm/thumb.md: Fix compile time warnings.

Tue Nov  2 04:10:24 1999  Jan Hubicka  <hubicka@freesoft.cz>

	* jump.c (jump_optimize_1): Swap the incscc and the conditional mode
	detection code

	* unroll.c (unroll_loop): Remove LOOP notes when loop is
	completely unrolled.

Tue Nov  2 16:57:22 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

	* cse.c (simplify_plus_minus, check_fold_const): Delete declarations.

Tue Nov  2 09:43:00 1999   Catherine Moore  <clm@cygnus.com>

	* Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
	* rtl.h (rtx_equal_p): Move prototype.
	* rtl.c (rtx_equal_function_value_matters): Move from 
	rtlanal.c
	(rtx_equal_p): Likewise.
	* rtlanal.c (rtx_equal_function_value_matters): Delete.
	(rtx_equal_p): Likewise.

Mon Nov  1 23:21:17 1999  Jason Merrill  <jason@yorick.cygnus.com>

	* libgcc2.c (__do_global_dtors): Only do EH frame stuff if
	! HAS_INIT_SECTION.

Mon Nov  1 23:37:38 1999  Jeffrey A Law  (law@cygnus.com)

	* gcc.1 (PA options): Remove obsolete -mshared-libs options.

	* pa.h (ADDR_VEC_ALIGN): Define.

	* jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
	notes when presented with "if (foo) break; end_of_loop" and
	the break sequence gets moved out of the loop.

	* unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
	Remove explicit zero initializations of entries within MAP.

Mon Nov  1 18:09:14 1999  Richard Henderson  <rth@cygnus.com>

	* reg-stack.c (convert_regs_1): Handle EH edges specially.

Mon Nov  1 15:41:01 1999  Mark P. Mitchell  <mark@codesourcery.com>

	* bitmap.h (BITMAP_XMALLOC): New macro.
	* flow.c (CLEAN_ALLOCA): Remove.
	(delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
	(life_analysis): Likewise.
	(update_life_info): Don't use CLEAN_ALLOCA.
	(life_analysis_1): Use xmalloc/xcalloc instead of alloca.
	(calculate_global_regs_live): Likewise.
	(print_rtl_with_bb): Likewise.
	(verify_flow_info): Likewise.
	* global.c (global_alloc): Likewise.
	(global_conflicts): Likewise.
	* integrate.c (save_for_inline_nocopy): Likewise.
	(expand_inline_function): Likewise.
	* jump.c (jump_optimize_1): Likewise.
	(duplicate_loop_exit_test): Likewise.
	(thread_jumps): Likewise.
	* loop.c (loop_optimize): Likewise.
	(combine_givs): Likewise.
	(recombine_givs): Likewise.
	* reorg.c (dbr_schedule): Likewise.
	* unroll.c (unroll_loop): Likewise.
	
	* combine.c (combine_instructions): Use xmalloc instead of alloca.

Mon Nov  1 13:22:30 1999  Richard Henderson  <rth@cygnus.com>

	* toplev.c (rest_of_compilation): Don't optimize the CFG
	when rebuilding, just before dbr.

Mon Nov  1 14:35:50 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* output.h (assemble_end_function, assemble_destructor,
	assemble_constructor, assemble_gc_entry, assemble_global,
	assemble_label, output_constant_pool) Constify a char*.

	* varasm.c (assemble_destructor, assemble_constructor,
	assemble_gc_entry, assemble_end_function, assemble_global,
	assemble_label, output_constant_pool): Likewise.

Mon Nov  1 14:22:51 1999  Nick Clifton  <nickc@cygnus.com>

	* config/arm/thumb.c (thumb_expand_prologue): Add comments
	explaining what is goin on in this function.

Mon Nov  1 08:03:15 1999  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* regclass.c (record_reg_classes): In matching case, recompute
	costs since the direction of movement is different.

Sun Oct 31 21:59:34 MST 1999    Diego Novillo <dnovillo@cygnus.com>

	* resource.c (mark_target_live_regs): For unconditional branches,
	the resources found at the branch target should be added to the
	resources found so far, not intersected.

Sun Oct 31 15:48:49 1999  Philippe De Muyter  <phdm@macqel.be>

	* fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
	old cpp's.
	* fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
	(sys/mman.h): Include this file only if #HAVE_MMAP.
	(run_compiles): Initialize `esac_fmt' with one old KR string, not
	with automatically concatenated ANSI strings.

Sun Oct 31 23:57:07 1999  Mark Mitchell  <mark@codesourcery.com>

	* ggc-page.c (struct page_entry): Remove save_num_free_objects.
	(DIV_ROUND_UP): Robustify.
	(ggc_recalculate_in_use_p): New function.
	(release_pages): Don't inline it.
	(ggc_alloc_obj): Don't refuse to allocate objects on pages for
	outer contexts.
	(ggc_pop_context): Use ggc_recalculate_in_use_p.
	(clear_marks): Always save in_use_p.
	(sweep_pages): Use ggc_recalculate_in_use_p.
	(ggc_page_print_statistics): Avoid signed/unsigned comparisons.
	Release pages before counting statistics.
	
Sun Oct 31 23:42:37 1999  Mark Mitchell  <mark@codesourcery.com>

	* toplev.c (rest_of_compilation): Fix thinko in this change:
	
	Fri Oct 29 15:25:07 1999  Arnaud Charlet  <charlet@ACT-Europe.FR>

	(rest_of_compilation): If inside an inlined external function,
	pretend we are just being declared.

Sun Oct 31 23:03:25 1999  Jeffrey A Law  (law@cygnus.com)

	* flow.c (calculate_global_regs_live): Fix thinko.

	* integrate.c (expand_inline_function): Fix bugs in previous
	change from Oct 28, 1999.

Sun Oct 31 20:27:45 1999  Mark Mitchell  <mark@codesourcery.com>

	* stmt.c (expand_value_return): Fix typo in this change:

	Thu Oct 28 18:06:50 1999  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
	(expand_value_return): Correctly convert VAL when promoting function
	return; support RETURN_REG being a PARALLEL.
	
Sun Oct 31 20:25:42 1999  Mark P. Mitchell  <mark@codesourcery.com>

	* expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.

Sun Oct 31 20:42:17 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* hard-reg-set.h (reg_names): Constify a char*.

	* regclass.c  (reg_names): Likewise.

	* regs.h (reg_names): Likewise

	* a29k/a29k.c (reg_names): Delete declaration.

	* a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.

	* arc/arc.c (arc_save_restore, arc_output_function_prologue,
	arc_output_function_epilogue): Likewise.

	* elxsi/elxsi.c (reg_names): Likewise.

	* gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
	
	* m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
	Likewise.

	* m88k/m88k.c (output_function_profiler): Likewise.

	* sparc/sparc.c (sparc_flat_output_function_prologue,
	sparc_flat_output_function_epilogue): Likewise.

Sun Oct 31 13:32:15 CET 1999  Marc Lehmann <pcg@goof.com>

	* toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
	warning from -Wuninitialized and put it under -W.
	* function.c (uninitialized_vars_warning): Warn only when the
	corresponding flag is set.

Sun Oct 31 01:53:30 1999  Jeffrey A Law  (law@cygnus.com)

	* cse.c (cse_insn): If an insn has only a single set, SRC_EQV
	is nonzero and the single set does not have an elt, then assign
	it an elt.

	* simplify-rtx.c: New file.
	* Makefile.in (OBJS): Add simplify-rtx.o
	(simplify-rtx.o): Add dependencies.
	* rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
	* cse.c: Use simplify_gen_binary intead of cse_gen_binary.
	(cse_gen_binary, simplify_unary_operation): Delete.
	(simplify_binary_operation, simplify_plus_minus): Likewise.
	(check_fold_consts, simplify_relation_operation): Likewise.
	(simplify_ternary_operation): Likewise.
	(delete_trivially_dead_insns): Simplify the contents of the
	REG_EQUAL note before trying to substitute it into the source
	of the reg-reg copy at the end of a libcall sequence.

	* combine.c (combine_simplify_rtx): Renamed from simplify_rtx.  All
	references/callers changed.

	* mn10200.c (mn10200_va_arg): Force the return value into a
	register.

	* fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.

	* cccp.c (macroexpand): Avoid out of range accesses for omitted
	arguments.

Sat Oct 30 22:42:50 1999  Stephen L Moshier <moshier@mediaone.net>

	* c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.

Sat Oct 30 22:19:26 1999  Jeffrey A Law  (law@cygnus.com)

	* fold-const.c (fold): Fix thinko when optimizing comparisons
	against -0.0.

Sat Oct 30 21:32:17 1999  David Starner  <dstarner98@aasaa.ofe.org>

	* gcc.texi (Passes): Update front-end files to their current 
	location.

Sat Oct 30 14:41:40 1999  Richard Henderson  <rth@cygnus.com>

	* alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
	(SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
	(PREDICATE_CODES): Add addition_operation.
	* alpha-protos.h (addition_operation): Declare.
	(secondary_reload_class): Likewise.
	* alpha.c (addition_operation): New.
	(secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
	* alpha.md (adddi3): Turn into expander.
	(*lda, *adddi_2): New.
	(movsf, movdf patterns): Don't preference integer regs.
	(movsi, movdi patterns): Don't preference fp regs.

Sat Oct 30 14:38:22 1999  Richard Henderson  <rth@cygnus.com>

	* genrecog.c (write_switch): Check for duplicate CODE cases.

Sat Oct 30 14:31:48 1999  Richard Henderson  <rth@cygnus.com>

	* ggc-common.c: Update pre-function commentary.
	* ggc-page.c: Likewise.
	(poison): Remove.
	(poison_pages): Use memset directly.
	(ggc_alloc_obj): Likewise.  Use a different pattern than poison_pages.
	(ggc_collect): Poison before sweeping.
	* ggc-simple.c: Update pre-function commentary.
	(ggc_alloc_obj): Poison non-zeroed memory.

Sat Oct 30 14:28:52 1999  Mark Mitchell  <mark@codesourcery.com>

	* ggc-common.c (ggc_print_statistics): Make arguments to fprintf
	match format string, even on 64-bit hosts.
	* gcc-page.c (ggc_page_print_statistics): Likewise.

Sat Oct 30 14:38:04 1999  Catherine Moore  <clm@cygnus.com>

	* config/i386/i386.c (ix86_cpu): Revert last patch.
	* config/i386/i386.h (ix86_cpu): Ditto.

Fri Oct 29 17:00:42 1999  Jim Wilson  <wilson@cygnus.com>

	* stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
	TYPE_SIZE, convert type of result to sizetype.

Fri Oct 29 14:34:17 1999  Richard Henderson  <rth@cygnus.com>

	* flow.c (count_or_remove_death_notes): Equate NULL with the
	universal set.

	* jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
	* toplev.c (rest_of_compilation): Rebuild CFG immediately before
	dbr_schedule.

	* i386.c (pic_label_no): Delete.
	(ix86_attr_length_default): Don't use single_set to peek
	inside a parallel.

	* recog.c (peephole2_optimize): Allow recog_next_insn to index
	the first insn after bb->end.
	* i386.md (push mem peeps): Scratch is live after evaluation
	of the memory.
	(cmp mem peep): Similarly.

Fri Oct 29 11:50:11 1999  Catherine Moore  <clm@cygnus.com>

	* calls.c (emit_library_call_value): Fix declaration of alignment_pad.
	* function.c (pad_to_arg_alignment): Add missing braces.

Fri Oct 29 13:53:48 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* alpha/alpha-protos.h (literal_section): Add prototype.
	(alpha_need_linkage, alpha_start_function,alpha_end_function):
	Constify a char*.

	* alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
	prototype.
	(alpha_start_function, alpha_end_function, float_strings,
	alpha_need_linkage): Constify a char*

	* alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.

	* alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.

	* alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.

	* alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.

Fri Oct 29 13:49:39 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* flow.c (debug_flow_info): Add prototype.

	* gcc.c (main): Likewise.

	* gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
	Likewise.

	* reload1.c (failed_reload, set_reload_reg): Likewise.
	
	* mips-tfile.c (main): Likewise.
	(pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
	with ATTRIBUTE_NORETURN.

Fri Oct 29 18:16:03 1999  Andrew Haley  <aph@cygnus.com>

       * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
       DECL is not a memory ref.
 
Fri Oct 29 09:05:34 1999  Catherine Moore  <clm@cygnus.com>

	* config/i386/i386.h (ix86_cpu): Remove extern attribute.
	* config/i386/i386.c (ix86_cpu): Add extern attribute.

Fri Oct 29 16:30:04 1999  Andrew Haley  <aph@cygnus.com>

	* config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
	* config/mips/elf64.h: ditto.

Fri Oct 29 08:03:57 1999  Catherine Moore  <clm@cygnus.com>

	* expr.c (emit_push_insn): New argument alignment_pad.
	Update all callers.  Adjust stack pointer based on alignment pad.
	* function.c (pad_to_arg_alignment):  New argument alignment_pad.
	Update all callers.  Track alignment_pad if boundary > PARM_BOUNDARY.
	(locate_and_pad_parm): New argument alignment_pad.  Update all
	callers.
	* expr.h (emit_push_insn): Update prototype.
	(locate_and_pad_parm): Update prototype.
	* calls.c (arg_data):  Add new field alignment_pad.
	(initialize_argument_information): Initialize alignment_pad.

Fri Oct 29 02:51:35 1999  Mark Mitchell  <mark@codesourcery.com>

	* except.c (free_eh_nesting_info): Free the info itself.
	* function.c (free_after_compilation): Don't free NULL.
	* gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
	(pre_edge_insert): Free inserted.
	* stmt.c (free_stmt_status): Don't free NULL.

Fri Oct 29 15:25:07 1999  Arnaud Charlet  <charlet@ACT-Europe.FR>

	* gcov.c (DIR_SEPARATOR): Provide default.
	(output_data): Add test for MS-DOS format absolute filename.
	(fancy_abort): Correct program name.
	(open_files): Open all files in binary mode.
	* libgcc2.c (__bb_exit_func): Likewise.

	* profile.c (init_branch_prob): Specify binary when opening files.

	* flags.h (flag_unwind_tables): New decl.
	* toplev.c (flag_unwind_table): New definition.
	(f_options): Add -funwind-tables.
	(decode_g_option): Clarify warning when unknown -g option is given.
	(rest_of_compilation): If inside an inlined external function,
	pretend we are just being declared.

	* dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
	(dwarf2out_frame_finish): Likewise.

Fri Oct 29 07:44:26 1999  Vasco Pedro  <vp@di.fct.unl.pt>

	* fold-const.c (merge_ranges): In not in0, but in1, handle
	upper bounds equal like subset case.

Thu Oct 28 19:22:24 1999  Douglas Rupp <rupp@gnat.com>

	* dbxout.c (dbxout_parms): Generate a second stabs line for parameters
	passed in a register but moved to the stack.

Thu Oct 28 19:12:57 1999  Sam Tardieu  <tardieu@act-europe.fr>

	* gcc.c (pass_exit_codes, greatest_status): New variables.
	(struct option_map): Add entry for "--pass-exit-codes".
	(execute): Update greatest_status if error.
	(display_help): Add documentation for -pass-exit-codes.
	(process_command): Handle -pass-exit-codes.
	(main): Look at pass_exit_codes and greatest_status on call to exit.

Thu Oct 28 18:06:50 1999  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* reload.c (find_reloads): Refine test for no input reload
	case to not includes reloads emitted after insn.

	* function.c (find_temp_slots_from_address): Handle sum involving
	a register that points to a temp slot.
	(update_temp_slot_address): Make recursive call if both old and
	new are PLUS with a common operand.
	* calls.c (expand_call): Mark temp slot for result as having
	address taken.
	
	* rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.

	* gcc.c (process_command): Add standard_exec_prefix with "GCC"
	component as well as "BINUTILS".

	* integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
	* integrate.c (copy_rtx_and_substitute): Likewise.
	(expand_inline_function, integrate_parm_decls, integrate_decl_tree):
	All callers changed.
	* unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
	
	* dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
	gdb extensions, write size of type; also be more consistent
	in using references when this is a subtype.

	* pa.md (extv, extzv, insv): Use define_expand to reject constant
	that is out of range.

	* loop.c (unknown_constant_address_altered): New variable.
	(prescan_loop): Initialize it.
	(note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
	(invariant_p, case MEM): Remove handling for volatile and readony;
	check new variable if readonly.
	(check_dbra_loop): Chdeck unknown_constant_address_altered.

	* cse.c (canon_hash, case MEM): Do not record if BLKmode.
	(addr_affects_sp_p): Removed from note_mem_written and only
	define #ifdef AUTO_INC_DEC.

	* alpha.c (input_operand, case ADDRESSOF): Treat as REG.

	* regclass.c (record_reg_classes): Properly handle register move
	directions.

	* varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
	Don't think valid if both operands are invalid.
	(struct constant_descriptor): New field RTL.
	(mark_const_hash_entry): Mark it.
	(record_constant{,_rtx}): Initialize it.
	(output_constant_def): Allocate RTL in permanent obstack and
	save in table.
	({record,compare}_constant_1): Modes must match for
	CONSTRUCTOR of ARRAY_TYPE.

	* c-common.h (initializer_constant_valid_p): Delete decl from here.
	* output.h (initializer_constant_valid_p): Move decl to here.
	* c-common.c (initializer_constant_valid_p): Delete function from here.
	* varasm.c (initializer_constant_valid_p): Move function to here.

	* tree.h (STRIP_SIGN_NOPS): New macro.
	* fold-const.c (optimize_minmax_comparison): New function.
	(invert_truthvalue, case WITH_RECORD_EXPR): New case.
	(fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
	(fold, case EQ_EXPR): Call optimize_minmax_comparison and add
	cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
	widening conversions.
	(fold, case LE_EXPR): Rework changing unsigned to signed comparisons
	to look at size of mode, not precision of type; also add missing cases.
	(optimize_bit_field_compare, decode_field_reference): Don't try to
	optimize COMPONENT_REF of a PLACEHOLDER_EXPR.

	* dwarf2out.c (ctype.h): Include.
	(dwarf2out_set_demangle_name_func): New function.
	(size_of_line_info): Deleted.
	(output_line_info): Compute size of line info table from difference
	of labels.
	(base_type_die, add_name_attribute): Call demangle function, if any.
	(field_byte_offset): Use bits per word for variable length fields.
	(gen_array_type_die): Add array name.
	(gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
	(dwarf2out_add_library_unit_info): New function.

	* explow.c (set_stack_check_libfunc): New function.
	(stack_check_libfunc): New static variable.
	(probe_stack_range): Allow front-end to set up a libfunc to call.

	* combine.c (simplify_comparison): When making comparison in wider
	mode, check for having commuted an AND and a SUBREG.
	(contains_muldiv): New function.
	(try_combine): Call it when dividing a PARALLEL.
	(simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
	(simplify_comparison, case ASHIFTRT): Recognize sign-extension of
	a PLUS.
	(record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
	use one of the CLOBBERs instead.
	(if_then_else_cond): If comparing against zero, just return thing
	being compared.

	* optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
	Don't generate shifts and subtract if have conditional arithmetic.

	* rtl.h (delete_barrier): New declaration.
	* jump.c (jump_optimize): Set up to handle conditional call.
	In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
	(delete_barrier): New function.

	* rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.

	* recog.c (nonmemory_operand): Accept ADDRESSOF.

	* tree.c (build_type_attribute_variant): Push to obstack of
	ttype around type_hash_canon call.

	* expr.c (placeholder_list): Move decl to file scope.
	(expand_expr): Don't force access to volatile just because its
	address is taken.
	If ignoring reference operations, just expand the operands.
	(expand_expr, case COMPONENT_REF): Propagate
	EXPAND_CONST_ADDRESS to recursive call when expanding inner.
	Refine test for using bitfield operations vs pointer punning.
	(expand_expr, case CONVERT_EXPR): If converting to
	BLKmode UNION_TYPE from BLKmode, just return inner object.
	Use proper mode in store_field call.
	Properly set sizes of object to store and total size in store_field
	call for convert to union.
	(expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
	memory (like for ADDR_EXPR).  Also, don't put constant in register if
	we'll want it in memory.
	(readonly_fields_p): New function.
	(expand_expr, case INDIRECT_REF): Call it if LHS.
	(expand_assignment): Handle a RESULT_DECL where
	DECL_RTL is a PARALLEL.
	(do_jump, case WITH_RECORD_EXPR): New case.
	(get_inner_reference): Always go inside a CONVERT_EXPR
	and NOP_EXPR if both modes are the same.
	(store_field): Use bitfield operations if size of bitsize is not same
	as size of RHS's type.
	Check for bitpos not a multiple of alignment in BLKmode case.
	Do block move in largest possible alignment.
	(store_constructor): Set BITSIZE to -1 for variable size and properly
 	in case of array of BLKmode.
	(expand_expr_unaligned): New function.
	(do_compare_and_jump): Call it.

	* mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
	* collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
	does not include 'o'.

	* function.c (instantiate_virtual_regs_1, case SET): Handle case where
	both SET_DEST and SET_SRC reference a virtual register.
	(gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.

	* integrate.c (expand_inline_function): Handle case of setting
	virtual stack vars register (from built in setjmp); when parameter
	lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
	(subst_constant): Add new parm, MEMONLY.
	(expand_inline_function, integrate_parm_decls): Pass new parm.
	(integrate_decl_tree): Likewise.
	(copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
	(try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
	(copy_rtx_and_substitute, case SET): Add explicit calls to
	copy_rtx_and_substitute for both sides.

	* stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
	constraints.
	(pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
	within INDEX_TYPE, instead of before.
	(fixup_gotos): Use f->target_rtl, not the next insn,
	since latter may be from a later fixup.
	(expand_value_return): Correctly convert VAL when promoting function
	return; support RETURN_REG being a PARALLEL.
	(expand_return): When checking for result in regs and having
	cleanup, consider PARALLEL in DECL_RTL as being in regs.

1999-10-28 21:27 -0700  Zack Weinberg  <zack@bitmover.com>

	* cpplib.h (struct cpp_buffer: fname, nominal_fname,
	last_nominal_fname): Mark const.
	(struct include_hash: name, nshort, control_macro): Mark
	const.
	(struct macrodef: symnam): Mark const.
	(struct if_stack: fname): Mark const.
	(is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
	(IStable): New character-syntax array which encompasses all
	the old is_foo arrays.
	(is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
	is_space): New macros for interrogating IStable.
	(check_macro_name): Kill last argument.  All callers changed.

	* cppinit.c (initialize_char_syntax): Delete.
	(is_idchar, is_idstart, is_hor_space, is_space,
	trigraph_table): Delete.
	(IStable): New.  Initialize with clever macros to avoid
	information duplication.
	(builtin_array): Table of builtins to get rid of explicit list
	in initialize_builtins.
	(initialize_builtins): Use builtins_array.
	(cpp_start_read): Call init_IStable, and set IStable['$'] if
	opts->dollars_in_ident.

	* cppexp.c: Change all refs to is_xyz[] arrays to use new
	is_xyz() macros.
	(cpp_parse_expr): Avoid 'format string is not constant'
	warning. Use ISGRAPH to identify printable chars.
	* cppfiles.c: Change all refs to is_xyz[] arrays to use new
	is_xyz() macros.
	(read_and_prescan): Map trigraphs to chars with open-coded
	if-else-if-... sequence, not a lookup table.
	* cpphash.c: Change all refs to is_xyz[] arrays to use new
	is_xyz() macros.
	* cpplib.c: Change all refs to is_xyz[] arrays to use new
	is_xyz() macros.  Kill SKIP_ALL_WHITE_SPACE (unused).
	(check_macro_name): Remove ability to report an invalid
	assertion name, which is never used.
	(do_line): Constify a couple of char *'s.
	* cppmain.c (main): Call cpp_cleanup before returning.

Thu Oct 28 21:16:35 1999  Mark Mitchell  <mark@codesourcery.com>

	* ggc.h (struct ggc_statistics): New type.
	(ggc_get_size): New function.
	(ggc_print_statistics): Likewise.
	* ggc-common.c (ggc_stats): New variable.
	(ggc_mark_rtx_children): Keep statistics.
	(ggc_mark_tree_children): Likewise.
	(ggc_print_statistics): New function.
	* ggc-page.c (struct globals): Add bytes_mapped field.
	(alloc_anon): Update it.
	(release_pages): Likewise.
	(ggc_get_size): New function.
	(ggc_page_print_statistics): New function.
	* ggc-simple.c (ggc_get_size): New function.
	
Fri Oct 29 06:32:44 1999  Geoffrey Keating  <geoffk@cygnus.com>

	* flow.c (propagate_block): When the last reference to a label
 	before an ADDR_VEC is deleted because the reference is a dead
 	store, delete the ADDR_VEC.

Thu Oct 28 12:28:50 1999  Richard Henderson  <rth@cygnus.com>

	* resource.c (find_free_register): Don't use the frame pointer
	if frame_pointer_needed.

Thu Oct 28 10:02:00 1999  Jim Wilson  <wilson@cygnus.com>

	* config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
	(function_arg_pass_by_reference): Check for a NULL pointer in cum.

	* config/i960/i960.c (i960_va_start): New locals base, num.
	Use INDIRECT_REF instead of ARRAY_REF on valist.
	(i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.

Thu Oct 28 09:45:48 1999  Mark Mitchell  <mark@codesourcery.com>

	* gcse.c (delete_null_pointer_checks): Fix typo in previous change.

Thu Oct 28 03:37:50 1999  Peter Gerwinski <peter@gerwinski.de>

	* tree.def (PLACEHOLDER_EXPR): Update comments.

Thu Oct 28 06:47:32 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* c-common.c (check_format_info): Avoid non-literal format string
	warnings when `first_arg_num' is zero.

Thu Oct 28 12:28:48 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

	* rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.

Thu Oct 28 11:05:13 1999  Richard Earnshaw <rearnsha@arm.com>

	* arm.md (casesi_insn): Add a clobber of the condition code
	register.

Mon Oct 18 21:16:06 1999  Fred Fish  <fnf@be.com>

	* tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
	used by both cc1 and cc1plus.
	
Thu Oct 28 10:00:48 1999  Nick Clifton  <nickc@cygnus.com>

	* config/arm/arm.c: Initialise arm_structure_size_boundary to
	DEFAULT_STRUCTURE_SIZE_BOUNDARY.
	* config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
	to the value 32 if it has not already been defined.
	* config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
	Override definition in arm.h with a value of 8.

Thu Oct 28 03:12:02 1999  David Starner  <dstarner98@aasaa.ofe.org>

	* c-pragma.c (push_alignment): Don't check the return value
	of xmalloc.

Thu Oct 28 03:08:38 1999  Matteo Frigo <athena@fftw.org>

	* sparc.h (ADJUST_COST): Fix thinko.

Thu Oct 28 02:44:03 1999  Glen Nakamura  <glen.nakamura@usa.net>

	* cccp.c (rescan): Fixed obp pointer handling around call to
	check_expand subroutine.

Thu Oct 28 02:15:22 1999  Jeffrey A Law  (law@cygnus.com)

	* gcse.c (delete_null_pointer_checks): Only record non-null info
	for pseudos when examining stores.

	* arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
	splitters for these patterns.  Use "#" for output templates.
	(addsi3_carryin_shift): New pattern.

Thu Oct 28 10:20:02 1999  Geoffrey Keating  <geoffk@cygnus.com>

	* config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
	of the function return register into a plain REG until
	after function inlining is done.

Wed Oct 27 15:21:46 1999  Richard Henderson  <rth@cygnus.com>

	* jump.c (jump_optimize_1): If we did cross-jumping, and
	the data will matter, rebuild the CFG.
	* reg-stack.c (reg_to_stack): Only (re)build the CFG if
	not optimizing.  Don't run shorten_branches.
	* toplev.c (rest_of_compilation): Run shorten_branches after
	reg_to_stack.

Wed Oct 27 12:33:40 1999  Mark Mitchell  <mark@codesourcery.com>

	* rtl.h (note_stores): Add additional paramter.
	* rtlanal.c (reg_set_p_1): Take additional paramter.
	(reg_set_last_1): Likewise.
	(reg_set_p): Adjust call to note_stores.
	(reg_set_last): Likewise.
	(note_stores): Pass data parameter to worker function.
	* alias.c (record_set): Take additional parameter.
	(init_alias_analysis): Pass it.
	* caller-save.c (mark_set_regs): Take additional parameter.
	(save_call_clobbered_regs): Pass NULL to note_stores.
	* combine.c (set_nonzero_bits_and_sign_copies): Take additional
	parameter.
	(record_dead_and_set_regs_1): Likewise.
	(reg_dead_at_p_1): Likewise.
	(combine_instructions): Adjust calls to note_stores.
	(try_combine): Likewise.
	(record_dead_insn): Remove.
	(record_dead_and_set_regs): Adjust calls to note_stores.
	(reg_dead_at_p): Likewise.
	* cse.c (invalidate_skipped_set): Take additional parameter.
	(cse_check_loop_start): Likewise.
	(cse_check_loop_start_value): Remove.
	(cse_set_around_loop): Adjust calls to note_stores.
	* flow.c (notice_stack_pointer_modification): Take additional
	parameter.  Remove duplicate declaration.
	(record_volatile_insns): Adjust calls to note_stores.
	* gcse.c (record_set_info): Take additional parameter.
	(record_last_set_info): Likewise.
	(invalidate_nonnull_info): Likewise.
	(record_set_insn): Remove.
	(compute_sets): Adjust calls to note_stores.
	(last_set_insn): Remove.
	(compute_hash_table): Adjust calls to note_stores.
	(insert_insn_end_bb): Likewise.
	(delete_null_pointer_checks): Likewise.
	* global.c (mark_reg_store): Take additional parameter.
	(mark_reg_clobber): Likewise.
	(reg_becomes_live): Likewise.
	(global_conflicts): Adjust calls to note_stores.
	(build_insn_chain): Likewise.
	* integrate.c (note_modified_parmregs): Take additional parameter.
	(mark_stores): Likewise.  Make it static.
	(save_for_inline_nocopy): Adjust calls to note_stores.
	(try_constants): Likewise.
	* integrate.h (mark_stores): Remove declaration.
	* jump.c (mark_modified_reg): Take additional parameter.
	(thread_jumps): Adjust calls to note_stores.
	* local-alloc.c (validate_equiv_mem_from_store): Take additional
	parameter.
	(no_equiv): Likewise.
	(reg_is_set): Likewise.
	(validate_equiv_mem): Adjust calls to note_stores.
	(update_equiv_regs): Likewise.
	(block_alloc): Likewise.
	* loop.c (note_set_pseudo_multiple_uses_retval): Remove.
	(note_addr_stored): Take additional parameter.
	(note_set_pseudo_multiple_uses): Likewise.
	(record_initial): Likewise.
	(prescan_loop): Adjust calls to note_stores.
	(strength_reduce): Likewise.
	(check_dbra_loop): Likewise.
	* regmove.c (flags_set_1): Take additional paramter.
	(mark_flags_life_zones): Adjust calls to note_stores.
	* reload1.c (mark_not_eliminable): Take additional parameter.
	(forget_old_reloads_1): Likewise.
	(reload_cse_invalidate_rtx): Likewise.
	(reload_cse_check_clobber): Likewise.
	(reload_combine_note_store): Likewise.
	(move2add_note_store): Likewise.
	(reload): Adjust calls to note_stores.
	(reload_as_needed): Likewise.
	(emit_reload_insns): Likewise.
	(reload_cse_regs_1): Likewise.
	(reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
	(reload_combine): Adjust calls to note_stores.
	* resource.c (update_live_status): Take additional paramter.
	(mark_target_live_regs): Adjust calls to note_stores.
	* stupid.c (find_clobbered_regs): Take additional parameter.
	(stupid_life_analysis): Adjust calls to note_stores.
	
Wed Oct 27 19:26:12 1999  Nick Clifton  <nickc@cygnus.com>

	* config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
	definition. 

	* config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
	definition.

	* config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
	of the variable arm_structure_size_boundary.

Wed Oct 27 02:05:58 1999  Mark P. Mitchell  <mark@codesourcery.com>

	* alias.c (init_alias_analysis): Allocate reg_known_value and
 	reg_known_equiv_p on the heap.  Likewise for new_reg_base_value
	and reg_seen.
	(end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
	* cse.c (cse_main): Call end_alias_analysis.
	* haifa-sched.c (schedule_insns): Likewise.
	* local-alloc. (update_equiv_regs): Likewise.
	* reload1.c (reload_cse_regs): Likewise.
	
Wed Oct 27 01:49:17 1999  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

	* sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
	* sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
	mapping from MASK_FPU.

Wed Oct 27 01:42:26 1999  Scott Christley  <scottc@net-community.com>

	* sparc.md (call): Don't bound structure return size to 0xfff.

Wed Oct 27 00:56:59 1999  Richard Henderson  <rth@cygnus.com>

	* resource.c (mark_target_live_regs): Check that the target
	insn wasn't created after compute_bb_for_insn.

Tue Oct 26 23:15:03 1999  Mark Mitchell  <mark@codesourcery.com>

	* ggc-page.c (poison_pages): Don't be overzealous.

Tue Oct 26 23:29:18 1999  Jeffrey A Law  (law@cygnus.com)

	* alias.c: Update comments for ADDRESS.
	(nonlocal_reference_p): Look inside the ADDRESS to determine if
	it is a local memory reference.

	* c-typeck.c (build_function_call): Check that the built-in
	function is of class BUILT_IN_NORMAL before trying to recongize
	it as BUILT_IN_ABS.
	* calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
	* stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.

Wed Oct 27 00:14:13 1999  Robert Lipe  <robertlipe@usa.net>

	* gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
	of alloca.
	(pre_gcse): Likewise.
	(hoist_expr_reaches_here_p): Likewise.
	(hoist_code): Likewise.
	(pre_expr_reaches_here_p): Replace alloca with xcalloc.   Move core
	code to ...
	(pre_expr_reaches_here_p_work): ... here.
	(expr_reaches_here_p): Replace alloca with xcalloc.   Move core 
	code to ...
	(expr_reaches_here_p_work): ... here.

Tue Oct 26 20:42:45 1999  Richard Henderson  <rth@cygnus.com>

	* resource.c (find_basic_block): Delete.
	(mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
	(init_resource_info): Call compute_bb_for_insn.

Tue Oct 26 20:21:02 1999  Richard Henderson  <rth@cygnus.com>

	* flow.c (merge_blocks_move_predecessor_nojumps): Cope
	with already adjacent blocks, but no fallthru.
	(merge_blocks_move_successor_nojumps): Simplify.
	(debug_flow_info): New.

	* toplev.c (rest_of_compilation): Open jump1 dump file before
	jump and close after, as opposed to just using dump_rtl.

Wed Oct 27 03:09:23 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

	* reload.h (earlyclobber_operand_p): Declare.
	* reload.c (earlyclobber_operand_p): Don't declare.  No longer static.
	* reload1.c (reload_reg_free_for_value_p):  RELOAD_OTHER reloads with
	an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
	case where the RELOAD_OTHER reload is new.  Use earlyclobber_operand_p.

Tue Oct 26 18:23:38 1999  Jan Hubicka  <hubicka@freesoft.cz>
			  Richard Henderson  <rth@cygnus.com>

	* emit-rtl.c (emit_block_insn_before): New.
	(emit_block_insn_after): New.
	* basic-block.h: Declare them.

	* bitmap.h: Protect from multiple inclusion.

	* recog.c (scratch_operand): Handle VOIDmode correctly.

	* rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.

	* builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
	* function.c (assign_parms): Likewise.
	* global.c (global_conflicts): Clarify STACK_REGS commentary.

	* reg-stack.c (max_uid): Remove.
	(blocks, block_begin, block_end, block_drops_in): Remove.
	(block_stack_in, block_out_reg_set, block_number): Remove.
	(struct block_info_def, BLOCK_INFO): New.
	(enum emit_where): New.
	(current_block): New.
	(BLOCK_NUM): Remove.
	(mark_regs_pat, record_label_references): Remove.
	(record_reg_life_pat, record_reg_life, find_blocks): Remove.
	(nan): New.
	(goto_block_pat, print_blocks, dump_stack_info): Remove.
	(reg_to_stack): Simplified test for existance of fp code.  Use
	flow.c code.  Call shorten_branches after cross-jump opt.
	(check_asm_stack_operands): Renamed from record_asm_reg_life.
	Return false if the asm doesn't use stack regs.  Don't do life
	analysis on the asm.
	(emit_pop_insn): Replace function pointer arg `when' with
	enum `where'.  Update all callers.
	(change_stack): Likewise.  Update basic block end.
	(emit_swap_insn): Use current_block->head to limit reverse search
	for start of block.  Use emit_block_insn_after.
	(subst_stack_regs_pat): Handle USE and CLOBBER patterns.
	(subst_asm_stack_regs): Use check_asm_stack_operands.  Use direct
	structure assignment instead of bcopy.
	(print_stack): New.
	(convert_regs_entry, convert_regs_exit): New.
	(convert_regs_1, convert_regs_2): Split out from convert_regs.
	Work on basic blocks and the CFG.
	(convert_regs): Use them.

	* i386.c (output_fix_trunc): Remove code for DImode input operand
	not at top-of-stack.
	* i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
	appropriate mode.
	(fix_truncdi_1): Allow any mode scratch.

Tue Oct 26 13:30:35 1999  Richard Henderson  <rth@cygnus.com>

	* alpha.h (TARGET_MEM_FUNCTIONS): Define here.
	* linux.h, netbsd.h, vms.h: Not here.

1999-10-26  Gavin Romig-Koch  <gavin@cygnus.com>

	* config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
	ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
	(GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
	CONDITIONAL_REGISTER_USEAGE): Use them. 
	* config/mips/mips.c (mips_move_1word,mips_move_2words,
	gen_conditional_branch,override_options) : Use them.
	* config/mips/mips.md : Use them.

Tue Oct 26 13:09:23 1999  Richard Henderson  <rth@cygnus.com>

	* i386.md (zero_extendqihi2): Use SImode register name with andl.

Tue Oct 26 12:35:38 1999  Richard Henderson  <rth@cygnus.com>

	* integrate.c (function_cannot_inline_p): Don't allow inlining
	if setjmp is used.

Tue Oct 26 14:10:23 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* c-parse.in (cast_expr): Constify.

	* cccp.c (special_symbol): Likewise.

	* cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.

	* dwarf2out.c (base_type_die): Likewise.

	* global.c (allocno_compare): Likewise.

	* local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.

	* regclass.c (fix_register): Likewise.

	* rtl.h (fix_register): Likewise.

	* stupid.c (stupid_reg_compare): Likewise.

	* toplev.c (decode_f_option): Likewise.

	* tree.c (build_complex_type): Likewise.

Tue Oct 26 18:35:25 1999  Richard Earnshaw  <rearnsha@arm.com>

	* output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.

Tue Oct 26 15:42:56 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

	* reload.c (find_reloads): Compute mode and nregs fields of all
	reloads.
	* reload1.c (calculate_needs_all_insns): Simplify a bit.
	(calculate_needs): Use precomputed mode/nregs values.
	(allocate_reload_reg): Likewise.
	Break out two...
	(failed_reload, set_reload_reg): ... new functions.
	(choose_reload_regs_init): New function, mostly broken out from...
	(choose_reload_regs): ... here.  Lose all the save_xxx nonsense.
	Also lose one #if 0 block.

Tue Oct 26 02:48:32 1999  Marc Espie <espie@cvs.openbsd.org>

	* Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET):  Fix target name 
	substitution.

Tue Oct 26 01:27:32 1999  Mark Mitchell  <mark@codesourcery.com>

	* tree.h (BLOCK_TYPE_TAGS): Remove.
	(BLOCK_END_NOTE): Likewise.
	(BLOCK_LIVE_RANGE_FLAG): Likewise.
	(BLOCK_LIVE_RANGE_START): Likewise.
	(BLOCK_LIVE_RANGE_END): Likewise.
	(tree_block): Remove live_range_flag, live_range_var_flag, and
	type_tags.  Remove end_note, live_range_start, and live_range_end.
	(remember_end_note): Remove prototype.
	* tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
	* c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
	remember_end_note.
	* ggc-common.c (ggc_mark_tree_children): Don't mark
	BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
	* integrate.c (adjust_copied_decl_tree): Remove.
	* print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
	* stmt.c (last_block_end_note): Remove.
	(init_stmt): Don't add a GC root for it.
	(expand_fixup): Don't set it.
	(remember_end_note): Remove.
	(expand_end_bindings): Don't set last_block_end_note.

Tue Oct 26 00:41:54 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

	* reload1.c (reload_reg_free_for_value_p): Show
	RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
	reloads.

Mon Oct 25 23:54:45 1999  Geoff Keating  <geoffk@cygnus.com>

	* expmed.c (extract_bit_field): Allow for the case of non-integer
	objects that are smaller than a word (like SFmode on a 64-bit
	machine).

	* loop.c (basic_induction_var): A non-integer variable which is
	being set by a paradoxical subreg is probably not a biv.

1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>

	* prefix.c (translate_name) Check for empty prefix string.

Mon Oct 25 23:10:45 1999  Andreas Schwab  <schwab@suse.de>

	* Makefile.in (CPP_CROSS_NAME): New variable.
	(install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
	xcpp.
	(uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
	names of the files to be uninstalled.

Mon Oct 25 23:03:09 1999  Jeffrey A Law  (law@cygnus.com)

	* collect2.c (IS_DIR_SEPARATOR): Define.
	(prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.

	* som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
	functions too.

	* haifa-sched.c (add_dependence): Update the true dependency
	cache the first time we add a true dependence to the LOG_LINKS chain.

Mon Oct 25 22:27:40 1999  Jim Kingdon  <http://developer.redhat.com/>

	* fold-const.c (fold): Fix comment.

Mon Oct 25 22:49:34 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* dbxout.c (lastfile, cwd, dbxout_type_method_1,
	dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
	dbxout_start_new_source_file, dbxout_source_file,
	dbxout_source_line, dbxout_finish, dbxout_type_fields,
	dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
	Constify a char*.
	(dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
	(dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
	(dbxout_block): Initialize variable `blocknum'.	

	* dbxout.h (dbxout_init, dbxout_finish,
	dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
	dbxout_args, dbxout_source_line): Constify a char*.

	* dwarfout.c (dwarf_tag_name, dwarf_attr_name,
	dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
	dwarf_fund_type_name, name_attribute, stmt_list_attribute,
	low_pc_attribute, high_pc_attribute, body_begin_attribute,
	body_end_attribute, comp_dir_attribute, sf_names_attribute,
	src_info_attribute, mac_info_attribute, producer_attribute,
	lookup_filename, generate_macinfo_entry, fundamental_type_code,
	dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
	dwarfout_undef): Constify a char*.
	(add_incomplete_type, retry_incomplete_types): Add prototypes.

	* dwarfout.h (dwarfout_define, dwarfout_undef,
	dwarfout_start_new_source_file, dwarfout_line): Constify a char*.

1999-10-25  Gavin Romig-Koch  <gavin@cygnus.com>

	* config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
	(MULTILIB_ISA_DEFAULT): New.
	(MULTILIB_DEFAULTS): Use it.
	* config/mips/mips.c (): Remove the now unnecessary definition
	of MIPS_ISA_DEFAULT.
	* config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
	unnecessary definition.

Mon Oct 25 22:08:35 1999  Richard Earnshaw (rearnsha@arm.com)

	* arm.md (pic_load_addr): Add constraints to operand 1.

1999-10-25  Bruce Korb  <autogen@linuxbox.com>

	* fixinc/genfixes:  Provide a means for specifying -D options to
	AutoGen

Mon Oct 25 00:42:35 1999  Jeffrey A Law  (law@cygnus.com)

	* arm.c (arm_override_options): Correct initialization of
	arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
	arm_is_strong, and arm_is_6_or_7.

	* loop.c (note_set_pseudo_multiple_uses_retval): New variable.
	(note_set_pseudo_multiple_uses): New function.
	(check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
	if a pseudo set in the loop exit is used elsewhere.

Sun Oct 24 20:52:40 1999  Mark Mitchell  <mark@codesourcery.com>

	* i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.

Sun Oct 24 21:02:46 1999  Richard Henderson  <rth@cygnus.com>

	* i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
	a single load-address pattern.

Sun Oct 24 19:33:24 1999  Mark P. Mitchell  <mark@codesourcery.com>

	* haifa-sched.c (schedule_insns): Don't assign LUIDs differently
 	depending on whether or not line-number notes are present.

Sun Oct 24 20:29:59 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* cccp.c (progname, file_buf, default_include, include_file,
	macrodef, definition, hashval, wchar_type, user_label_prefix,
	directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
	expand_to_temp_buffer, is_system_include, base_name,
	absolute_filename, read_name_map, open_include_file,
	record_control_macro, check_precompiled, check_preconditions,
	pcfinclude, pass_thru_directive, create_definition,
	check_macro_name, comp_def_part, collect_expansion,
	check_assertion, read_token_list, assertion_install,
	assertion_lookup, eval_if_expression, conditional_skip,
	validate_else, skip_quoted_string, quote_string, macarg1,
	error_from_errno, install, lookup, hashf, dump_defn_1,
	perror_with_name, pfatal_with_name, main, trigraph_pcp,
	check_white_space, rescan, handle_directive, monthnames,
	special_symbol, do_include, remap_include_file, write_output,
	arglist, do_assert, do_unassert, do_line, do_error, do_once,
	do_ident, do_sccs, do_xifdef, skip_if_group,
	output_line_directive, macroexpand, macarg, change_newlines,
	initialize_builtins, make_definition): Constify a char*.

	* pcp.h (stringdef): Likewise.

Sun Oct 24 13:29:28 1999  Richard Henderson  <rth@cygnus.com>

	* unroll.c (copy_loop_body): Examine SET_DEST of single_set
	not of pattern.

Sun Oct 24 13:14:20 1999  Graham  <grahams@rcp.co.uk>
			  Richard Henderson  <rth@cygnus.com>

	* alias.c: Include ggc.h.
	(reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
	(record_set): Verify enough room in reg_base_value.
	(init_alias_analysis): Allocate reg_base_value with xcalloc.
	Register it as a GC root.
	(end_alias_analysis): Free reg_base_value.  Remove it as a GC root.
	* Makefile.in (alias.o): Depend on ggc.h.

	* unroll.c (unroll_loop): Verify the insn before a barrier
	is a JUMP_INSN before checking JUMP_LABEL.

Sun Oct 24 15:46:44 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
	* mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
	* mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
	* mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
	* mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
	* mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.

Sun Oct 24 15:35:43 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* output.h (ctors_section, dtors_section, bss_section): Prototype.

	* alpha/alpha-interix.h (text_section): Delete prototype.
	* alpha/elf.h (text_section): Likewise.
	* arm/linux-elf.h (text_section): Likewise.
	* arm/linux-telf.h (text_section): Likewise.
	* c4x/c4x.h (text_section): Likewise.
	* dsp16xx/dsp16xx.h (bss_section): Likewise.
	* elfos.h (text_section): Likewise.
	* i386/aix386ng.h (text_section): Likewise.
	* i386/i386-interix.h (text_section): Likewise.
	* i386/sco5.h (text_section): Likewise.
	* i386/svr3gas.h (text_section): Likewise.
	* nextstep.h (text_section): Likewise.
	* psos.h (text_section): Likewise.
	* ptx4.h (text_section): Likewise.
	* svr3.h (text_section): Likewise.
	* svr4.h (text_section, ctors_section, dtors_section): Likewise.

Sun Oct 24 15:20:59 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* final.c (peephole): Delete prototype.

	* gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
	(pre_insert_copies): Remove unused variable `bb'.

	* genrecog.c (debug_decision_0, debug_decision_list, main): Add
	prototypes.

	* output.h (peephole): Add prototype.

Sun Oct 24 11:35:30 1999  Mark P. Mitchell  <mark@codesourcery.com>

	* config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
	-O0.

Sat Oct 23 21:13:00 1999  Mark Mitchell  <mark@codesourcery.com>

	* integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
	for inlined declarations.

Fri Oct 22 18:05:43 1999  Jeffrey A Law  (law@cygnus.com)

	* arm.c (logical_binary_operator): New fucntion.
	* arm.h (logical_binary_operator): Declare it.
	(PREDICATE_CODES): Handle logical_binary_operator.
	* arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
	output constraints.  Add appropriate splitters.
	(anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
	(iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
	(xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.

Fri Oct 22 23:46:50 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

	* genoutput.c (struct operand_data): New elt eliminable.
	(output_operand_data): Write it.
	(scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
	(compare_operands): Take it into account.
	* recog.h (struct insn_operand_data): New elt eliminable.
	* reload1.c (check_eliminable_occurrences, elimination_effects): New
	functions.
	(old_asm_operands_vec, new_asm_operands_vec): Delete.
	(eliminate_regs): Move code that detects changes to elimination
	target regs into new function elimination_effects.
	Delete one #if 0 block.
	Abort for USE, CLOBBER, ASM_OPERANDS and SET. 
	(eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
	ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
	Only call eliminate_regs for real operands of the insn, not for parts
	of its structure or parts matched by things like match_operator.
	Use elimination_effects and check_eliminable_occurrences.  Use
	copy_insn to duplicate the pattern when not in the final pass.

Fri Oct 22 09:03:44 1999  Mark Mitchell  <mark@codesourcery.com>

	* i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
	and fld.

1999-10-22  Bruce Korb  <autogen@linuxbox.com>

	* fixinc/README: document the "mach" machine matching test
	* fixinc/fixfixes.c: Implement the #else/#endif label fix
	* fixinc/fixtests.c: Implement the #else/#endif label test
	* fixinc/inclhack.def: utilize these tests and fixes
	* fixinc/inclhack.sh:  regen
	* fixinc/fixincl.x:  regen
	* fixinc/fixincl.sh:  regen

Thu Oct 21 20:37:19 1999  Jeffrey A Law  (law@cygnus.com)

	* Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h.  Also
	depend on ggc.h.

Thu Oct 21 20:30:19 1999  Matthias Klose  <doko@debian.org>

	* gcc.1: Document exit codes.

Thu Oct 21 12:49:05 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* calls.c: Include tm_p.h later, so everything we need is defined.
	* expr.c: Likewise.
	* function.c: Likewise.

	* except.c: Include tm_p.h.

	* sparc.c: Likewise.
	(dwarf2out_cfi_label): Don't prototype.
	(check_return_regs, epilogue_renumber,
	ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
	ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
	ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
	ultra_schedule_insn): Add static prototype.
	(data_segment_operand, text_segment_operand): Call itself with the
	proper number of arguments.
	(sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.

	* sparc.h: Move all declarations to sparc-protos.h.
	(SELECT_RTX_SECTION):  Pass a missing MODE argument to
	symbolic_operand.

	* sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.

	* config/svr4.h (text_section, ctors_section, dtors_section): Add
	Prototypes.
	(ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
	ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
	ASM_OUTPUT_ASCII): Constify a char*.
	
	* sparc-protos.h: New file for sparc prototypes.
	
Thu Oct 21 12:23:40 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* function.c (record_insns, contains): Always declare and define.
	(record_insns): Mark with ATTRIBUTE_UNUSED.

Thu Oct 21 13:03:49 1999  Jonathan Larmour  <jlarmour@cygnus.co.uk>

	* config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
	to .section when outputting a .bss section to deal with multiple
	.bss input sections (as happens with -fdata-sections)
	Also output %progbits, not @progbits so the assembler doesn't treat as
	a comment.
	* config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise

	* config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
	thumb parts even when building with non-thumb CPUs, by forcing
	thumb mode.	

Wed Oct 20 22:57:58 1999  Jeffrey A Law  (law@cygnus.com)

	* sparc.md (movsf_const_intreg): If splitting, length must be > 1.
	(movdf_const_intreg_sp64): Similarly.

	* local-alloc.c (update_equiv_regs): Check the correct insn
	for pre-existing REG_EQUIV notes.

Wed Oct 20 20:41:46 1999  Mark Mitchell  <mark@codesourcery.com>

	* cse.c (cse_end_of_basic_block): Don't return the end of a basic
	block reached by a branch if we're not going to actually process
	this block.

Wed Oct 20 15:18:42 1999  Jim Wilson  <wilson@cygnus.com>

	* integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
	a local extern function declaration.

Wed Oct 20 13:56:01 1999  Richard Henderson  <rth@cygnus.com>

	* i386.c (ix86_expand_prologue): Properly wrap USE around
	reg for CALL_INSN_FUNCTION_USAGE.

Thu Oct 14 18:51:37 1999  Andrew Haley  <aph@cygnus.com>

	* config/mips/mips.md (movdf_internal1a): Allow floating-point
	move between GP_REGs.

Wed Oct 20 15:36:11 1999  Andrew Haley  <aph@cygnus.com>

	* config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
	the mode size when finding out if an offset is legal.

Wed Oct 20 06:26:58 1999  Richard Henderson  <rth@cygnus.com>

	* basic-block.h (PROP_*): Move constants from ...
	* flow.c: ... here.
	(compute_bb_for_insn): Free the array before reallocating.
	(update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
	(allocate_reg_life_data): Reset all reg variables collected by
	propagate_block.
	(get_block_head_tail): Don't convert from bb to block.
	(get_bb_head_tail): New.  Update all callers of get_block_head_tail.
	(find_insn_reg_weight): Take block not bb.
	(schedule_block): Don't set block num for moved insns.
	(schedule_region): Don't update_life_info or find_insn_reg_weight.
	(schedule_insns): Do it here instead.
	* combine.c (combine_instructions): Invoke compute_bb_for_insn
	before update_life_info.
	* recog.c (split_all_insns, peephole2_optimize): Update for
	new arg to update_life_info.
	* rtlanal.c (remove_note): Cope with NULL note.
	* toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
	if we did sched1.

Wed Oct 20 10:46:41 1999  Richard Earnshaw (rearnsha@arm.com)

	* jump.c (jump_optimize_1): More accurately detect casesi insns.

	* flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
	block records so that merge_blocks_nomove will clean up correctly.
	(split_edge): Handle casesi insns.

	* gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.

Tue Oct 19 23:43:50 1999  Jeffrey A Law  (law@cygnus.com)

	* pa.md (call, call_value): Do not emit a blockage after restoring
	the PIC register.

Tue Oct 19 17:22:39 1999  Mark Mitchell  <mark@codesourcery.com>

	* c-typeck.c (c_expand_asm_operands): Fix typo.

Tue Oct 19 18:42:58 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

	* arm.c (fpu_rhs_operand): Verify modes.
	(fpu_add_operand): Likewise.
	(di_operand): Likewise.
	(soft_df_operand): Likewise.

Tue Oct 19 15:26:11 1999  Richard Earnshaw  (rearnsha@arm.com)

	* arm.c (arm_return_in_memory): APCS rules state that the elements
	of a structure returned in a register must be 'integer-like'.

1999-10-19  Bruce Korb  <autogen@linuxbox.com>

	* fixinc/Makefile.in: Change the generation rules to run `genfixes'
	in the source tree when the generated targets are out of date
	* fixinc/genfixes: Alter it to run individual fixes for make.
	* fixinc/README: rewrite
	* fixinc/inclhack.def: moved initial comments to README

Tue Oct 19 14:01:34 1999  Nick Clifton  <nickc@cygnus.com>

	* toplev.c (main): Do not generate an error message if an
	unrecognised command line switch is recognisable by another
	language.  If extra_warnings are enabled, then generate a
	warning message instead.

Tue Oct 19 11:41:12 1999  Mumit Khan  <khan@xraylith.wisc.edu>

	* c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
	(insert_pack_attributes): Delete prototype.

	* c-pragma.c (default_alignment): New static variable.
	(push_alignment): Initialize to current effective alignment.
	(pop_alignment): Use to set new alignment.
	(insert_pack_attributes): Delete function.
	(handle_pragma_token): Set default_alignment as well each time 
	a #pragma pack(<n>) is encountered.

Tue Oct 19 02:03:00 1999  Jeffrey A Law  (law@cygnus.com)

	* reg-stack.c (stack_result): Aggregates are not returned in
	stack registers.

Tue Oct 19 01:26:48 1999  Alasdair Baird <alasdair@wildcat.demon.co.uk>

	* fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.

Mon Oct 18 15:19:41 1999  Richard Henderson  <rth@cygnus.com>

	* basic-block.h (set_block_num): Declare.
	* flow.c (update_life_info): Don't call compute_bb_for_insn
	or free_basic_block_vars.
	* haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
	(insn_orig_block): Remove.
	(INSN_BLOCK): Remove.  Update all callers to use BLOCK_NUM.
	(schedule_block): Keep BLOCK_NUM up-to-date.
	(schedule_insns): Use compute_bb_for_insn.
	* recog.c (split_all_insns): Likewise.
	(peephole2_optimize): Likewise.

Mon Oct 18 18:50:51 1999  Andreas Schwab  <schwab@suse.de>

	* config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
	if the pic register is used.

Mon Oct 18 02:38:46 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

	* c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
	(finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
	if that tests TREE_PERMANENT.

Mon Oct 18 01:41:35 1999  Jeffrey A Law  (law@cygnus.com)

	* cse.c (invalidate_for_call): Do not remove memory references from
	the table here.  It's handled elsewhere.

	* haifa-sched.c (add_dependence): Protect references to the
	true dependency cache with #ifdef INSN_SCHEDULING.
	(remove_dependence): Similarly.

	* mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
	to the cfg code that this is a return instruction.
	* mn10300.md (return_internal): Similarly.

	* combine.c (get_last_value): If the last set of a register
	is after subst_low_cuid, then we can not use it to determine
	the register's last value.

Sun Oct 17 11:02:52 1999  Mark Mitchell  <mark@codesourcery.com>

	* Makefile.in: Back out previous change.
	
Sun Oct 17 15:22:50 1999  Jeffrey A Law  (law@cygnus.com)

	* pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).

	* haifa-sched.c (add_dependence): Only check/update the cache
	if it exists.
	(remove_dependence): Likewise.
	(schedule_insns): Only create the true_dependency_cache if the
	average number of instructions in a basic block is very large.

Sun Oct 17 11:02:52 1999  Mark Mitchell  <mark@codesourcery.com>

	* Makefile.in (ggc-common.o): Depend on genrtl.h.
	(ggc-simple.o): Likewise.
	(ggc-page.o): Likewise.

Sun Oct 17 02:09:50 1999  Andrew MacLeod  <amacleod@cygnus.com>

	* basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
	Prototype for exported functions.
	(pre_lcm, pre_rev_lcm): Remove prototypes.
	* gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
	(compute_available): Move to lcm.c, and change parameter order.
	(one_classic_gcse_pass): Call compute_ae_kill with parameters.
	(pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
	(gcse_main): No longer call compute_preds_succs.  Rebuild the
	set table after reach pre pass.
	(pre_insert_map, pre_delete_map, edge_list): New.
	(alloc_pre_mem): Allocate edge vectors.
	(free_pre_mem): Delete edge vectors.
	(compute_pre_data): Call new edge based lcm routines.
	(process_insert_insn): New function.
	(insert_insn_end_bb): Use it.
	(pre_edge_insert): New function.
	(pre_insert_copy_insn): Formatting fixes.  Update BLOCK_END as
	needed.
	(pre_insert_copies): Revamp using new edge based lcm outputs.
	(pre_delete): Likewise.
	(one_pre_gcse_pass): Insert & remove fake edges to the exit
	block.
	(compute_code_hoist_vbeinout): New new edge based routines.
	* lcm.c: Remove all the old LCM functions.  Replace with new ones
	that work with the new cfg datastructures and work with edges
	instead of blocks.

Sun Oct 17 00:44:17 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

	* reload.h (struct reload): Add new fields "mode" and "nregs".
	* reload1.c: Change all occurrences of reload_mode and reload_nregs
	to reference the "mode" and "nregs" field within struct reload.

Sat Oct 16 21:50:28 1999  Jeffrey A Law  (law@cygnus.com)

	* haifa-sched.c (true_dependency_cache): New.
	(add_dependence): Use the true dependency cache to avoid expensive
	walks down the LOG_LINKS dependency list.  Add entries to the
	cache as necessary.
	(remove_dependence): Remove entries from the true dependency cache
	as needed.
	(schedule_insns): Allocate and initialize and free the true
	dependency cache.

	* haifa-sched.c (schedule_insns): Do not remove inter-block
	dependencies anymore.

Sat Oct 16 11:19:52 1999  Richard Henderson  <rth@cygnus.com>

	* i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
	* i386/t-winnt: Likewise.

Sat Oct 16 11:11:54 1999  Richard Henderson  <rth@cygnus.com>

	* ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.

1999-10-16  Manfred Hollstein  <mhollstein@cygnus.com>

	* Makefile.in (LANGUAGES): Omit "proto".
	(clean): Remove stale comment about removing unprotoize.c.

Sat Oct 16 11:29:14 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* protoize.c (safe_read, safe_write): Avoid the gcc extension of
	using arithmetic on void pointers.

Sat Oct 16 02:48:22 1999  Jeffrey A Law  (law@cygnus.com)

	* haifa-sched.c (compute_block_forward_dependencies): Only check
	for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.

Sat Oct 16 00:07:01 1999  Richard Henderson  <rth@cygnus.com>

	* gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
	(expr_equiv_p): Reject memories with different alias sets.

Fri Oct 15 15:17:29 1999  Greg McGary  <gkm@gnu.org>

	* flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
	* toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
	(f_options): Add "bounded-pointers" and "bounds-check" entries.
	* c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
	(lang_init): Set default for flag_bounds_check if still "unspecified".

Sat Oct 16 13:42:29 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.md (HF mode patterns):  Add missing modes.

Sat Oct 16 13:37:46 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.md (movstrqi_small): Utilise parallel move
	instructions.

Sat Oct 16 13:26:47 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.md (*db_noclobber, 
	*decrement_and_branch_until_zero_noclobber): New patterns and 
	associated splitters.

Sat Oct 16 13:13:15 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.md (parallel instruction patterns): Rework
	constraints to keep reload happy.

Sat Oct 16 13:03:16 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
	*one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
	*andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
	Add new patterns and associated post-reload splitters.

Sat Oct 16 12:42:12 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.

Sat Oct 16 12:34:44 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
	if appropriate.
	* config/c4x/c4x.md (rpts_top): New pattern and splitter.

Sat Oct 16 12:26:30 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.c (src_operand):  Check SYMBOL_REF and LABEL_REF
	memory mode.

Fri Oct 15 17:02:09 1999  Jeffrey A Law  (law@cygnus.com)

	* pa.c (move_operand): Rely on memory_address_p to determine the
	validity of non-indexed memory addresses.
	* pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
	operand in DFmode and SFmode when generating PA2.0 code.

Fri Oct 15 14:25:19 1999  Richard Henderson  <rth@cygnus.com>

	* print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.

Fri Oct 15 13:48:45 1999  Richard Henderson  <rth@cygnus.com>

	* mips.c (function_prologue): Fix argument types.
	* mips.md (casesi): Use emit_jump_insn for casesi_internal.
	(casesi_internal): Write to the scratch register.

1999-10-15 11:16 -0700  Zack Weinberg  <zack@bitmover.com>

	* cppexp.c (cpp_parse_escape): Make static.  Change second arg
	to U_CHAR **.
	(parse_charconst): Delete unnecessary cast when calling
	cpp_parse_escape.
	(cpplib.h): Kill prototype of cpp_parse_escape.

Fri Oct 15 11:02:46 1999  Richard Henderson  <rth@cygnus.com>

	Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
	* unroll.c (unroll_loop): Cast return value of alloca.
	* i370/i370.c: Include function.h and toplev.h.
	(i370_label_scan): Remove c++ commented abort.
	* i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
	(ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
	* i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
	* i370/xm-mvs.h, i370/xm-oe.h: Likewise.

Fri Oct 15 03:01:01 1999  Loren Rittle  <ljrittle@acm.org>

	* config/t-freebsd: Do not override USER_H.
	* ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.

Fri Oct 15 02:37:28 1999  Alastair J. Houghton <ajh8@doc.ic.ac.uk>
			  Mumit Khan  <khan@xraylith.wisc.edu>

	* c-parse.in (component_decl): Support anonymous struct/union.
	(%expect): Update.
	* c-parse.y: Regenerate.
	* c-parse.c: Likewise.
	* objc/objc-parse.y: Likewise.
	* objc/objc-parse.c: Likewise.
	* c-decl.c (finish_struct): Don't sort the fields.
	(field_decl_cmp): Delete unused function.

Fri Oct 15 01:20:52 1999  Richard Henderson  <rth@cygnus.com>

	* sparc.md (movsf_const_intreg): Revert last constraint change.
	(movdf_const_intreg_sp32): Likewise.

Fri Oct 15 01:47:51 1999  Vladimir Makarov  <vmakarov@loony.cygnus.com>

	* cse.c: Include hashtab.h instead of splay-tree.h
	(struct cse_reg_info): No longer use variant union.  Add new
	field "regno".  All references changed to avoid union.
	(cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
	(free_cse_reg_info): Remove.
	(hash_cse_reg_info, cse_reg_info_equal_p): New functions.
	(get_cse_reg_info): Revamp to use expandable hash tables instead
	of splay trees.  Initialize new fields in cse_reg_info structure.
	(new_basic_block): Similarly.

Thu Oct 14 23:51:56 1999  Richard Henderson  <rth@cygnus.com>

	* genrecog.c (message_with_line): Prototype.
	(validate_pattern): Pass along the set for the dest, not a flag.
	Fix non-lvalue message.  Don't warn for VOIDmode SET_DEST of CALL.
	Check for PC/CC0 as sources.
	(nodes_identical): Check for children position match before 
	allowing the combination.

	* rtl.c (read_rtx): Track line number across \\\n.

Thu Oct 14 23:50:25 1999  Richard Henderson  <rth@cygnus.com>

	* mips.h (SPECIAL_MODE_PREDICATES): New.
	* mips.md (*) Use nonimmediate_operand not general_operand for outputs.
	(movdi+1, movsi+1): Add output reload constraint.
	(casesi_internal): Likewise.  Fix commentary.
	(return_internal): Use pmode_register_operand.

Thu Oct 14 23:19:34 1999  Richard Henderson  <rth@cygnus.com>

	* 1750a.md (movstrqi): Add missing output reload constraint.
	(call_value): Likewise.
	* a29k.md (cpxxx patterns): Add missing match_operator mode.
	(jmpfdec): Add missing inout reload constraint.
	* elxsi.md (addsi patterns): Add missing output reload constraint.
	(move from sp): Use @ alternates.
	(call_value): No constraint on output.
	* fr30.md (movsi_pop): Add missing output reload constraint.
	(movsf_constant_store): Likewise.
	(splits): Remove constraints.
	(subsi3): Add missing mode.
	* i370.md (cmpstrsi+1): Add missing output reload constraint.
	(call_value): Likewise.
	* i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
	* m32r.h (PREDICATE_CODES): Add seth_add3_operand.
	* m32r.md (movsicc_internal): Add output reload constraint.
	(movstrsi_internal): Add inout reload constraints.
	* m88k.h (reg_names): Don't declare.
	(SPECIAL_MODE_PREDICATES): New.
	* m88k.md (*): Use register_operand not reg_or_0_operand
	on destinations.
	* mn10200.h (PREDICATE_CODES): New.
	* ns32k.md (ffs pattern): Add output reload constraint.
	* pdp11.md (sob pattern): Add inout reload constraint.
	* sh.md (splits): Remove constraints.
	(indirect_jump_scratch, fpu_switch): Add output reload constraint.
	* v850.md (pattern_is_ok_for_epilogue): Likewise.
	* vax.md (jgequ pattern): Add inout reload constraint.

Fri Oct 15 00:05:00 1999  Jeffrey A Law  (law@cygnus.com)

	* configure.in (djgpp): Revert previous patch.
	* configure: Rebuit.
	* config/i386/djgpp.h: Revert previous patch.

Fri Oct 15 00:00:24 1999  Loren J. Rittle <ljrittle@acm.org>

	* fixinc/inclhack.def: Restore patch lost during last merge of
	"no_bogosity" branch.
	* fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.

Thu Oct 14 23:57:56 1999  Gavin Romig-Koch  <gavin@cygnus.com>

	* fixincludes: Add a HPUX 11 fix for inttypes.h.
	* fixinc/inclhack.def: Same.
	* fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.

Thu Oct 14 22:51:55 1999  Richard Henderson  <rth@cygnus.com>

	* alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
	as the base of a PLUS.

Fri Oct 15 18:36:07 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.md:  Define mode for remaining unspec operators.
	* config/c4x/c4x.c (dst_operand):  Use nonimmediate_operand.
	
Thu Oct 14 22:14:23 1999  Richard Henderson  <rth@cygnus.com>

	* pa.md (post_stw+1): Use pmode_register_operand.
	(dcacheflush, icacheflush): Likewise.

	* i386.md (movstricthi_1): Allow r/r.

Thu Oct 14 19:44:08 1999  Jan Hubicka  <hubicka@freesoft.cz>

	* fold-const.c (fold): Convert (or (not arg0) (not arg1))
	to (not (and (arg0) (arg1))). Similary for and.

	* fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
	falltrought to assocate code.
	Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
	bits in common.

	* combine.c (simplify_logical): Convert XOR to IOR if operands have
	no bits in common; remove XOR to ROTATE conversion.

Fri Oct 15 17:40:11 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.

Fri Oct 15 17:27:17 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.c (dst_operand): New.
	(PREDICATE_CODES): Update.
	* config/c4x/c4x.h (dst_operand): Declare it.
	* config/c4x/c4x.md:  Define mode for each unspec usage.
	(move patterns):  Use dst_operand predicate instead of src_operand.
	(movqi_update, movqf_update): Delete.

Thu Oct 14 18:48:54 1999  Richard Henderson  <rth@cygnus.com>

	* recog.c (pmode_register_operand): New.
	* recog.h: Declare it.
	* genrecog.c (pred_codes): Likewise.
	(special_mode_pred_table): Likewise.
	(validate_pattern): Don't warn no mode for address_operand.

	* print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
	if the operand is not insn-like.

Thu Oct 14 19:38:42 1999  Jeffrey A Law  (law@cygnus.com)
			  Sylvian Pion <Sylvain.Pion@sophia.inria.fr>

	* fold-const.c (fold): Handle more simplifications allowed by IEEE.

Thu Oct 14 17:30:14 1999  Richard Henderson  <rth@cygnus.com>

	* sparc.md (*): Use {nonimmediate,register}_operand as appropriate
	instead of general_operand in a SET_DEST.  Use const_double_operand
	instead of an explicit test against CONST_DOUBLE.
	(movsf_const_lo): Add missing register mode.
	(goto_handler_and_restore): Add auxiliary test for Pmode.
	(flush): Adjust to use address_operand.
	(return_sf_no_fpu): Add missing output constraint.

Thu Oct 14 17:21:26 1999  Richard Henderson  <rth@cygnus.com>

	* rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
	for call return value.
	(call_value_indirect_aix64, call_value_indirect_nt): Likewise.

Thu Oct 14 13:54:25 1999  Jason Merrill  <jason@yorick.cygnus.com>

	* toplev.c (main): Only warn about options for other languages.
	* collect2.c (main): Pass -w to sub-gcc.

Thu Oct 14 16:27:50 1999  Richard Henderson  <rth@cygnus.com>

	* flow.c (propagate_block): Add call-clobbered registers to
	significant too.

	* flow.c (propagate_block): Use free_EXPR_LIST_list instead of
	zapping mem_set_list.
	(invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
	(mark_set_1, mark_used_regs): Likewise.

Thu Oct 14 10:51:49 1999  Richard Henderson  <rth@cygnus.com>

	* m68k.md (zero_extendsidi2): Add missing output reload constraint.

Wed Oct 13 00:09:18 1999  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

	* invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
 	-Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
	options. Also add a new item "C-only Warning Options" to the
	option summary.

1999-10-14  Gavin Romig-Koch  <gavin@cygnus.com>

	* libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
	from multiple calls.

Thu Oct 14 04:54:54 1999  Richard Henderson  <rth@cygnus.com>

	* i386.md (call value patterns): Move to the end of the file.
	(prologue_set_got, prologue_get_pc): Use register_operand for op 0.

1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>

	* configure.in (djgpp configuration): Define extra_objects..
	* configure: Rebuilt.
	* config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
	(DTORS_SECTION_ASM_OP): Define.
	(INIT_SECTION_ASM_OP): Define.
	(FINI_SECTION_ASM_OP): Define.
	(DATA_SECTION_ASM_OP): Define.
	(TEXT_SECTION_ASM_OP): Define.
	(EH_FRAME_SECTION_ASM_OP): Define.
	(LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
	(STARTFILE_SPEC): Add crtbegin.o.
	(ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
	to here from LINK_COMMAND_SPEC.
	(DO_GLOBAL_CTORS_BODY): Define.
	(CRTSTUFF_USE_FINI_SECTION): Define
	(HAS_INIT_SECTION): Delete.

Thu Oct 14 05:08:14 1999  Andreas Schwab  <schwab@suse.de>

	* Makefile.in (all.cross): Depend on xcpp$(exeext).

Thu Oct 14 04:00:40 1999  Richard Henderson  <rth@cygnus.com>

	* pa.h (PREDICATE_CODES): New.

	* genrecog.c (validate_pattern): Condense the destination
	non-lvalue message.

Thu Oct 14 03:23:08 1999  Richard Henderson  <rth@cygnus.com>

	* alpha.md (call-1): Supply missing mode for operator.
	(*): Add missing output reload constraints.  Remove constraints
	from define_splits.

	* i386.h (SPECIAL_MODE_PREDICATES): New.
	* i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
	(movqi_1, movdi_1, movdi_2, some splits): Likewise.
	(addsi_lea_3): Add missing mode for op 3.
	(prologue_set_got, prologue_get_pc): Add missing modes.
	(*) Add missing output reload constraints.

Thu Oct 14 03:59:57 1999  Stephane Carrez  <stcarrez@worldnet.fr>

	* stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
	check for member bit-size overflow and use var_size if it occurs.
	(layout_record): Use bitsize_int() to define the type size in bits.
	Likewise for computation and assignment to DECL_FIELD_BITPOS.
	(layout_decl): Likewise when assigning to DECL_SIZE.

Thu Oct 14 02:57:05 1999  Richard Henderson  <rth@cygnus.com>

	* genrecog.c (validate_pattern): Typo last change.  Verify
	that output operands have output reloads.

Thu Oct 14 01:49:54 1999  Richard Henderson  <rth@cygnus.com>

	* genrecog.c (special_mode_pred_table): New.
	(NUM_SPECIAL_MODE_PREDS): New.
	(find_operand): New.
	(validate_pattern): New argument `insn'.  Warn for assignment to
	any predicate accepting non-lvalues.  Conditionaly warn for
	match_operand without a mode.  Try much harder to match source
	and destination modes on a set.
	* tm.texi (SPECIAL_MODE_PREDICATES): Document.

Thu Oct 14 02:54:13 1999  Jeffrey A Law  (law@cygnus.com)

	* fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.

Thu Oct 14 02:18:19 1999  Marc Espie <espie@cvs.openbsd.org>

	* combine.c (simplify_logical): Recognize xor pattern that encodes
	rotation.

Wed Oct 13 23:23:45 1999  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

	* rs6000.c (expand_block_move): Use INTVAL, not XINT to access
	alignment.

Wed Oct 13 21:47:18 1999  Richard Henderson  <rth@cygnus.com>

	* ggc-page.c (MAP_FAILED): Provide default.

Wed Oct 13 21:41:59 1999  Richard Henderson  <rth@cygnus.com>

	* sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
	* sparc.h (PREDICATE_CODES): Update.

Wed Oct 13 21:18:17 1999  Richard Henderson  <rth@cygnus.com>

	* alpha.c (some_ni_operand): New.
	* alpha-protos.h: Declare it.
	* alpha.h (PREDICATE_CODES): Update.
	* alpha.md (sXaddq reload insns): Use some_ni_operand 
	for SET_DEST instead of some_operand.

Wed Oct 13 21:04:45 1999  Richard Henderson  <rth@cygnus.com>
			  Jim Wilson  <wilson@cygnus.com>

	* genrecog.c (maybe_both_true_2): Don't compare modes of
	two DT_pred tests.
	(process_tree): Elide peephole2_insns.  Invoke simplify_tests
	after find_afterward.
	(debug_decision_1): Dump next and afterward codes.

Wed Oct 13 20:35:16 1999  Richard Henderson  <rth@cygnus.com>

	* rtl.c (dump_and_abort): Remove.
	(fatal_with_file_and_line): New.
	(fatal_expected_char): New.
	(read_rtx_lineno, read_rtx_filename): New.
	(read_skip_spaces): Track line number.
	(read_name): Use fatal_with_file_and_line.
	(read_rtx): Use fatal_expected_char.  Track line number.
	* rtl.h (read_rtx_filename, read_rtx_lineno): Declare.

	* print-rtl.c (print_rtx): Don't special case LABEL_REF argument
	if it isn't a CODE_LABEL.

	* genattr.c (main): Set read_rtx_filename.
	* genattrtab.c (main): Likewise.
	* gencodes.c (main): Likewise.
	* genconfig.c (main): Likewise.
	* genemit.c (main): Likewise.
	* genextract.c (main): Likewise.
	* genflags.c (main): Likewise.
	* genopinit.c (main): Likewise.
	* genoutput.c (main): Likewise.
	* genpeep.c (main): Likewise.

	* genrecog.c (decision_test.u.insn): Add `lineno'.
	(pattern_lineno, error_count): New variables.
	(message_with_line): New.
	(add_to_sequence): Break out checking code to ...
	(validate_pattern): ... here.  Detect SET_DEST matching CONST_INT.
	(merge_insn): Use message_with_line.
	(make_insn_sequence): Use validate_pattern.  Record insn lineno.
	(main): Set read_rtx_filename, pattern_lineno.  Exit early on error.

Wed Oct 13 22:01:35 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

	* expr.c (store_constructor): Clear union if constructor is empty.

Wed Oct 13 15:19:04 1999  Jim Wilson  <wilson@cygnus.com>

	* config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
	Add !endian checks.  Change %{...} to %(...).

Wed Oct 13 13:30:34 1999  Richard Henderson  <rth@cygnus.com>

	* i386.md (*addsi3_cc): Renamed from addcsi3.
	(*addsi3_carry): Renamed from addxsi3.
	(*subsi3_cc): Renamed from subcsi3.
	(*subsi3_carry): Renamed from subxsi3.
	(*xorqi_cc_1): Renamed from xorcqi_1.
	(xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
	* i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.

Wed Oct 13 13:10:46 1999  Richard Henderson  <rth@cygnus.com>

	* Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
	(ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.

1999-10-13  Brendan Kehoe  <brendan@cygnus.com>

	* regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
	climb up the chain of insns.

Wed Oct 13 10:20:58 1999  Richard Henderson  <rth@cygnus.com>

	* genrecog.c (write_subroutine): Careful for null trees.
	(process_tree): Don't elide empty functions.

Wed Oct 13 10:07:54 1999  Richard Henderson  <rth@cygnus.com>

	* Makefile.in (genrtl.o): Depend on ggc.h.
	* configure.in (valloc): Probe for it.
	(with-gc): Use ggc-page if valloc present.
	* ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
	(ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
	(ggc_alloc_string): Moved from ggc-page.c.
	* ggc-none.c (ggc_alloc_obj): New.
	(ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
	* ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
	(struct globals): Likewise for dev_zero_fd.
	(init_ggc): Likewise for it's initialization.
	(ggc_allocated_p): Move careful dereference from ...
	(ggc_lookup_page_table): ... here.  Delete.
	(lookup_page_table_entry): Don't use ggc_lookup_page_table.
	(alloc_anon): Use valloc if no mmap.
	(release_pages): Use free if using valloc.
	(ggc_alloc_obj): Renamed from alloc_obj.
	(ggc_set_mark): Renamed from mark_obj.
	(ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
	(ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
	(ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
	(ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.	
	(ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
	(ggc_collect): Use fp printing instead of our own rounding.
	* ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
	(GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
	(GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
	(struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
	(struct ggc_string, struct ggc_any): Delete.
	(offsetof): Provide default definition.
	(GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
	(PTR_KEY): New.
	(struct ggc_mem): New, from corpse of ggc_any.
	(struct ggc_status): Delete.
	(ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
	(n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
	(n_strings_collected, n_anys_collected): Delete.
	(ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
	(ggc_alloc_string, ggc_alloc): Delete.
	(ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
	(ggc_free_string, ggc_free_any): Delete.
	(ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
	(ggc_compare_addresses, ggc_mark_string): Delete.
	(ggc_mark_string_if_gcable, ggc_mark): Delete.
	(search_data): Delete.
	(struct globals): New.
	(GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.	
	(tree_insert, tree_lookup): New.
	(ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
	(clear_marks, sweep_objs): New.
	(ggc_collect): Gut.  Use clear_marks, sweep_objs.
	(init_ggc): Set allocated_last_gc.
	(ggc_push_context): Gut.  Use G.context.
	(ggc_pop_context): Likewise.
	(ggc_pop_context_1): New.
	(debug_ggc_tree): New.
	(debug_ggc_balance, tally_leaves): New.
	* ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
	(ggc_mark_string_if_gcable): Remove decl.
	(ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
	(ggc_mark_rtvec_children): New.
	(ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
	(ggc_mark_if_gcable): New decl.
	(ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
	(ggc_alloc_tree, ggc_alloc): Likewise.
	(ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
	(ggc_alloc_obj): New decl.
	(ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
	(ggc_alloc_tree, ggc_alloc): Likewise.
	(ggc_set_mark): New decl.
	* rtl.h (struct rtx_def): Remove gc_mark.
	(struct rtvec_def): Likewise.
	* tree.h (struct tree_common): Likewise.

Wed Oct 13 01:44:29 1999  Carol LePage  <carolo@hal.com>

	* configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
	float_format and thread_file definitions.
	* configure: Rebuilt.