aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.

[thirdparty/gcc.git] / gcc / ChangeLog

2000-01-16  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>

	* aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
	* configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
	* ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
	* configure, config.in: Rebuilt.

2000-01-16  Zack Weinberg  <zack@wolery.cumb.org>

	* config/i386/i386.md: Add peephole to merge successive stack
	adjusts. 

Sat Jan 15 15:41:14 EST 2000  John Wehle  (john@feith.com)

	* gcse.c (insert_insn_end_bb): Use emit_block_insn_before
	instead of emit_insn_before.  Also handle NOTE_INSN_BASIC_BLOCK
	when walking backwards to find all the parameter loads when
	the basic block ends in a call.

2000-01-15  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* loop.c (this_loop_info): Delete.
	(uid_loop): Add in place of uid_loop_num.  All uses updated.
 	(loop_number_exit_count): Delete and replace with entry in loop
	structure.  All uses updated.
	(loop_number_loop_starts, loop_number_loop_ends): Likewise.
	(loop_number_loop_cont, loop_number_cont_dominator): Likewise.
	(loop_outer_loop): Likewise.
	(loop_invalid, loop_number_exit_labels): Likewise.
	(loop_used_count_register): Delete and replace with entry in 
	loop_info structure.
	(find_and_verify_loops): Add loops argument.
	(verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
	loop_end, etc. arguments with loop structure pointer.  All callers
	changed.
	(loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
	(check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
	(load_mems_and_recount_loop_regs_set, load_mems): Likewise.
	(insert_bct): Likewise.
	(basic_induction_var): New argument level.
	* loop.h (struct loop_info): Delete fields num, loops_enclosed,
	vtop, and cont.  Add used_count_register.
	(uid_loop): Delete declaration.
 	(loop_number_exit_count): Likewise.
	(loop_number_loop_starts, loop_number_loop_ends): Likewise.
	(loop_number_loop_cont, loop_number_cont_dominator): Likewise.
	(loop_outer_loop, loop_used_count_register): Likewise.
	(loop_invalid, loop_number_exit_labels): Likewise.
	(unroll_loop): Replace loop_start and loop_end arguments
 	with loop structure pointer.
	(loop_precondition_p, loop_iterations): Likewise.
	Include basic-block.h.
	* unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
 	with loop structure pointer.
	(loop_precondition_p, loop_iterations): Likewise.
	* basic-block.h (struct loop): New entries vtop, cont,
 	cont_dominator, start, end, top, scan_start, exit_labels,
	exit_count.  
	* Makefile.in (LOOP_H): Add basic-block.h to dependencies.

2000-01-15  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

	* defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.

2000-01-14  Nathan Sidwell  <sidwell@codesourcery.com>

	* config.in: Rebuilt for 2000-01-13 change to acconfig.h.

2000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* pdp11-protos.h: New file.

	* pdp11.c: Include tm_p.h.  Add static prototypes.  Fix compile
	time warnings.
	
	* pdp11.h: Move prototypes to pdp11-protos.h.  Fix compile time
	warnings.
	
	* pdp11.md: Likewise.

	* 2bsd.h: Likewise.

2000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* mn10300-protos.h: New file.

	* mn10300.c: Include tm_p.h.  Add static prototypes.  Fix compile
	time warnings.
	
	* mn10300.h: Move prototypes to mn10300-protos.h.  Fix compile time
	warnings.
	
	* mn10300.md: Likewise.

2000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* mn10200-protos.h: New file.

	* mn10200.c: Include tm_p.h.  Add static prototypes.  Fix compile
	time warnings.
	
	* mn10200.h: Move prototypes to mn10200-protos.h.  Fix compile time
	warnings.
	
	* mn10200.md: Likewise.

2000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* h8300-protos.h: New file.

	* h8300.c: Include tm_p.h.  Add static prototypes.  Fix compile
	time warnings.
	
	* h8300.h: Move prototypes to h8300-protos.h.  Fix compile time
	warnings.
	
	* h8300.md: Likewise.

2000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
	(asm_emit_uninitialised): Likewise.

2000-01-13  Gavin Romig-Koch  <gavin@cygnus.com>

	* config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
	* config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.

2000-01-14  Clinton Popetz  <cpopetz@cygnus.com>

	* config/mips/mips.c (override_options): Don't turn on extra
	alignment for mips16.

2000-01-14  Clinton Popetz  <cpopetz@cygnus.com>

	* config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit 
	eabi, and make sure queued POSTINCREMENT rtl is emitted at 
	the right point.

2000-01-14  Clinton Popetz  <cpopetz@cygnus.com>

	* builtins.c (PAD_VARARGS_DOWN): Define. 
	(std_expand_builtin_va_arg): Use the above macro.
	* config/mips/mips.h (PAD_VARARGS_DOWN): Define.
	* tm.texi (Register Arguments): Document the above macro.
	
2000-01-14  Nick Clifton  <nickc@cygnus.com>

	* emit-rtl.c (emit_insn): If checking is enabled, make sure
	that this function has not been used to emit a jump
	instruction.

	* jump.c (return_jump_1): Cope with being passed a null rtx.

2000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* eh-common.h: PROTO -> PARAMS.
	* emit-rtl.c: Likewise.
	* errors.c: Likewise.
	* errors.h: Likewise.
	* except.c: Likewise.
	* except.h: Likewise.
	* explow.c: Likewise.
	* expmed.c: Likewise.
	* expr.c: Likewise.
	* expr.h: Likewise.
	* final.c: Likewise.
	* fix-header.c: Likewise.
	* flow.c: Likewise.
	* fold-const.c: Likewise.
	* function.c: Likewise.
	* function.h: Likewise.
	* gcc.c: Likewise.
	* gcov-io.h: Likewise.
	* gcov.c: Likewise.
	* gcse.c: Likewise.

2000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* sh-protos.h: New file.

	* sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
	Add static prototypes.  Fix compile time warnings.
	
	* sh.h: Move prototypes to sh-protos.h.  Fix compile time warnings.
	* sh.md: Likewise.
	* elf.h: Likewise.

2000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* arc-protos.h: New file.

	* arc.c: Include tm_p.h.  Add static prototypes.  Fix compile
	time warnings.
	
	* arc.h: Move prototypes to arc-protos.h.  Fix compile time
	warnings.
	
	* arc.md: Likewise.

2000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* dsp16xx-protos.h: New file.

	* dsp16xx.c: Include tm_p.h.  Add static prototypes.  Fix compile
	time warnings.
	
	* dsp16xx.h: Move prototypes to dsp16xx-protos.h.  Fix compile time
	warnings.
	
	* dsp16xx.md: Likewise.

2000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* convex-protos.h: New file.

	* convex.c: Include tm_p.h.  Add static prototypes.  Fix compile
	time warnings.
	
	* convex.h: Move prototypes to convex-protos.h.  Fix compile time
	warnings.

2000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* elxsi-protos.h: New file.

	* elxsi.c: Include tm_p.h.  Add static prototypes.  Fix compile
	time warnings.
	
	* elxsi.h: Move prototypes to elxsi-protos.h.  Fix compile time
	warnings.
	
	* elxsi.md: Likewise.

2000-01-14  Clinton Popetz  <cpopetz@cygnus.com>

	* config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
        case for moving from HI/LO/HI_LO_REG.  This makes the behavior
        match the comment for MIPS16.

Fri Jan 14 00:28:06 2000  Jeffrey A Law  (law@cygnus.com)

	* flow.c (split_edge): Do not call set_block_for_insn if we
	do not have a basic_block_for_insn structure.

	* fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
	and destination functions are 32bit aligned within the trampoline.
	(TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
	(TRAMPOLINE_ALIGNMENT): Define.

	* cse.c (cse_insn): When changing (set (pc) (reg)) to
	(set (pc) (label_ref)), verify the change creates a valid insn.

	* fr30.c (call_operand): Tighten and rework to match rules for
	call RTL expressions.
	* fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
	* fr30.md (call patterns): Improve constraints.

Thu Jan 13 23:44:03 2000  Richard Henderson  <rth@cygnus.com>

	* fr30.c (fr30_expand_epilogue): Revert last change.
	Use emit_jump_insn for the return insn.

Thu Jan 13 14:46:03 2000  Jason Eckhardt  <jle@cygnus.com>
                          Stan Cox  <scox@cygnus.com>

	* predict.c: New file. Preliminary infrastructure work for static
	branch prediction and basic block reordering.
	* basic-block.h: Add prototype for estimate_probability.
	* Makefile.in: Add rules for predict.o.

2000-01-13  Jason Merrill  <jason@yorick.cygnus.com>

	* fixincludes (va_list): Use __not_va_list__ for the dummy.
	* fixinc/*: Likewise.

2000-01-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* cccp.c: PROTO -> PARAMS.
	* cexp.y: Likewise.
	* collect2.c: Likewise.
	* combine.c: Likewise.
	* convert.h: Likewise.
	* cse.c: Likewise.
	* dbxout.c: Likewise.
	* dbxout.h: Likewise.
	* diagnostic.c: Likewise.
	* doprint.c: Likewise.
	* dwarf2out.c: Likewise.
	* dwarf2out.h: Likewise.
	* dwarfout.c: Likewise.
	* dwarfout.h: Likewise.
	* dyn-string.h: Likewise.

2000-01-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
	macro conditionals guarding use.

	* dwarf2out.c: Include "tm_p.h".

	* function.c (locate_and_pad_parm): Mark parameter with
	ATTRIBUTE_UNUSED.
	(expand_function_end): Likewise for variable `context'.

	* reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.

2000-01-13  Nick Clifton  <nickc@cygnus.com>

	* config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
	register to prevent compile time warnings.

2000-01-13  Zack Weinberg  <zack@wolery.cumb.org>

	* longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
	to avoid -Wtraditional warning.

2000-01-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* 1750a-protos.h: New file.

	* 1750a.c: Include tm_p.h.  Add static prototypes.  Fix compile
	time warnings.
	
	* 1750a.h: Move prototypes to 1750a-protos.h.  Fix compile time
	warnings.
	
	* 1750a.md: Likewise.

2000-01-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* a29k-protos.h: New file.

	* a29k.c: Include tm_p.h.  Add static prototypes.  Fix compile
	time warnings.
	
	* a29k.h: Move prototypes to a29k-protos.h.  Fix compile time
	warnings.

2000-01-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* clipper-protos.h: New file.

	* clipper.c: Include tm_p.h.  Add static prototypes.  Fix compile
	time warnings.
	
	* clipper.h: Move prototypes to clipper-protos.h.  Fix compile time
	warnings.

Thu Jan 13 16:03:06 2000  J"orn Rennecke <amylaar@cygnus.co.uk>

	* reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.

2000-01-13  Nathan Sidwell  <sidwell@codesourcery.com>

	* configure.in (--enable-new-gxx-abi): New option.
	* acconfig.h (ENABLE_NEW_GXX_ABI): New define.
	* Makefile.in (GXX_ABI_FLAG): New variable.
	* configure: Regenerate.

2000-01-13  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
	* tm.texi (FORCE_STRUCT_BLK): Document.
	* config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.

Wed Jan 12 23:12:47 2000  Hans-Peter Nilsson  <hp@axis.com>

	* config/ns32k/ns32k.md: Revert Jan 9 change.

	* genrecog.c (maybe_both_true_2): Do not compare a predicate-test
	to a mode-test, if the predicate is address_operand.

Wed Jan 12 22:34:00 2000  Jeffrey A Law  (law@cygnus.com)

	* combine.c (if_then_else_cond): Be careful about what kinds
	of RTL expressions are passed to operand_subword.

	* flow.c (split_edge): If we have to insert a new jump, make
	sure to associate it with a basic block.

	* flow.c (commit_one_edge_insertion): A block with one successor
	can end in a JUMP_INSN that is not a simplejump.

2000-01-12  Robert Lipe  <robertl@sco.com>

	* i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
	(BUILD_VA_LIST_TYPE): Define.
	(EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
	with crtstuff.c.

2000-01-12  Jason Merrill  <jason@casey.cygnus.com>

	* cccp.c (do_pragma): Add cast to (char *).

2000-01-12  Richard Henderson  <rth@cygnus.com>
	    Fred Fish  <fnf@be.com>
	    Jason Merrill  <jason@cygnus.com>

	* configure.in (i?86-*-beos{pe,elf,}*): Recognize.
	* i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
	* i386/beos-elf.h, i386/beos-pe.h: New files.

	* Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
	* cross-make (SYSTEM_HEADER_DIR): Define using
	CROSS_SYSTEM_HEADER_DIR.

	* gcc.c (LIBRARY_PATH_ENV): Provide default.
	(process_command): Use it.
	(main): Likewise.  Kill trailing = from env vars.
	(build_search_list): Put it back.
	* collect2.c (main): Use LIBRARY_PATH_ENV.

	* configure.in (GCC_NEED_DECLARATIONS): Add environ.
	* toplev.c: Use NEED_DECLARATION_ENVIRON.

	* tm.texi (Frame Layout): Document SMALL_STACK.
	* c-common.c (c_common_nodes_and_builtins): Check it.

	* system.h: Undef alloca after including glibc's <stdlib.h>,
	if USE_C_ALLOCA is defined.

	* gcc.c (set_input): New fn.
	(main): After all input files are compiled, reset the input file
	info to the first.

	* aclocal.m4 (rindex, index): If already defined, don't attempt
	to redefine.

	* ginclude/varargs.h: (__va_list__): Define ifndef.
	* ginclude/stdarg.h: Likewise.

	* ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int 
	instead of unsigned char.

	* hash.h (true, false, boolean): Undef before enum.

	* expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
	proper type of "HOST_WIDE_INT *", rather than their natural type of
	"unsigned HOST_WIDE_INT *".

2000-01-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.

	* recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.

	* regclass.c (choose_hard_reg_mode): Likewise.

	* reload.c (find_valid_class, strict_memory_address_p): Likewise.

	* reorg.c (optimize_skip): Wrap prototype in macro conditionals.

2000-01-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* c-common.c: PROTO -> PARAMS.
	* c-common.h: Likewise.
	* c-decl.c: Likewise.
	* c-iterate.c: Likewise.
	* c-lang.c: Likewise.
	* c-lex.c: Likewise.
	* c-lex.h: Likewise.
	* c-parse.in: Likewise.
	* c-pragma.c: Likewise.
	* c-pragma.h: Likewise.
	* c-tree.h: Likewise.
	* c-typeck.c: Likewise.
	* objc/objc-act.c: Likewise.
	* objc/objc-act.h: Likewise.

2000-01-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* m88k-protos.h: New file.

	* m88k.c: Include tm_p.h.  Add static prototypes.  Fix compile
	time warnings.
	
	* m88k.h: Move prototypes to m88k-protos.h.  Fix compile time warnings.
	
	* m88k.md: Likewise.

	* tekXD88.h: Likewise.

2000-01-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* m68k-protos.h: New file.

	* m68k.c: Include tm_p.h.  Add static prototypes.  Fix compile
	time warnings.
	
	* m68k.h: Move prototypes to m68k-protos.h.  Fix compile time warnings.
	
	* mot3300.h: Likewise.

2000-01-12  Richard Earnshaw <rearnsha@arm.com>

	* haifa-sched.c (split_edges): Pass edgeset_size as second arg to
	extract_bitlst.
	(extract_bitlist): Declare bitlen.

2000-01-12  Zack Weinberg  <zack@wolery.cumb.org

	* cccp.c: Accept and ignore -lang-fortran.

	* c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
	qualifiers don't match at any level of pointerness.

2000-01-12  Robert Lipe  <robertl@sco.com>

	* i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.

2000-01-12  Bernd Schmidt  <bernds@cygnus.co.uk>

	* reload1.c (reload_reg_unavailable): New static variable.
	(reload_reg_free_p): Test it.
	(reload_reg_free_for_value_p): Test it instead of
	reload_reg_used.
	(choose_reload_regs_init): Compute it.

Wed Jan 12 03:24:41 2000  Toshiyasu Morita (toshi.morita@sega.com)

	* reorg.c (fill_slots_from_thread): Check modified_in_p
	before replacing.

Wed Jan 12 03:20:31 2000  John Marshall <john_w_marshall@palm.com>

	* gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
	these nodes even if INTERNALS is not set.

Wed Jan 12 09:39:22 2000  Nick Burrett  <nick.burrett@btinternet.com>

	* gcse.c (delete_null_pointer_checks_1): Cope when
	get_condition cannot determine the condition.

2000-01-12  Gabriel Dos Reis  <gdr@codesourcery.com>
 
       * toplev.h (set_message_length): Declare.
 
       * diagnostic.c (obstack_chunk_alloc): Define macro.
       (obstack_chunk_free): Likewise.
       (struct output_buffer): New data structure.
       (vmessage): Remove.
       (output_maximum_width): New variable.
       (doing_line_wrapping, set_message_length, init_output_buffer,
       get_output_prefix, output_space_left, emit_output_prefix,
       output_newline, output_append, output_puts, dump_output,
       vbuild_message_string, build_message_string, build_location_prefix,
       voutput_notice, output_printf, line_wrapper_printf,
       vline_wrapper_message_with_location):  New functions. Implement
       automatic line wrapping.
       (v_message_with_decl): Make it handle automatic line wrapping.
       (v_error_with_file_and_line): Likewise.
       (v_warning_with_file_and_line): Likewise.
       (announce_function): Likewise.
       (default_print_error_function): Likewise.
	
2000-01-11 16:24 -0800  Zack Weinberg  <zack@wolery.cumb.org>

	* cpplib.h (struct cpp_options): Change lang_asm to char.
	Add lang_fortran.
	* cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
	done in cpp_handle_option now.
	(initialize_builtins): Take out special case code used only by
	__STDC_VERSION__.
	(cpp_handle_option): Turn off trigraphs and trigraph warnings
	if -traditional.  Recognize -lang-fortran and set
	lang_fortran, also turn off cplusplus_comments.
	(print_help): Document -lang-fortran.
	* cpplib.c (handle_directive): Ignore `# 123 "file"' if
	lang_asm. Ignore all directives other than `# 123 "file"' if
	CPP_PREPROCESSED.
	(cpp_get_token): If -traditional, don't recognize directives
	unless the # is in column 1.
	(parse_string): If lang_fortran or lang_asm, silently
	terminate strings ('' or "") at end of line.
	Remove unnecessary braces.

2000-01-11  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
	    Richard Henderson  <rth@cygnus.com>

	* resource.c (mark_referenced_resources): Mark a set strict_low_part
	as used.
	* config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
	strict_low_part when possible.

2000-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* alias.c: PROTO -> PARAMS.
	* basic-block.h: Likewise.
	* bitmap.c: Likewise.
	* bitmap.h: Likewise.
	* builtins.c: Likewise.
	* c-aux-info.c: Likewise.
	* caller-save.c: Likewise.
	* calls.c: Likewise.

2000-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

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

	* output.h (tdesc_section): Prototype.

	* regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.

	* sdbout.c: Include "tm_p.h".

	* toplev.c: Include "regs.h".

Tue Jan 11 11:37:58 2000  Mike Stump  <mrs@wrs.com>

	* unroll.c (unroll_loop): Add EH support.

2000-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* pa-protos.h: New file.

	* pa.c: Include recog.h and tm_p.h.
	(compute_zdepwi_operands, compute_movstrsi_length,
	remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
	find_addr_reg, import_milli): Add static prototypes.
	(pa_cpu_string, pa_arch_string): Constify a char*.
	(legitimize_pic_address): Pass argument `mode' to pic_label_operand.
	(read_only_operand): Add argument `mode'.
	(singlemove_string, output_move_double, output_fp_move_double,
	output_block_move, output_and, output_ior, output_ascii,
	remove_useless_addtr_insns, milli_names, output_mul_insn,
	output_div_insn, output_mod_insn, output_arg_descriptor,
	output_cbranch, output_bb, output_bvb, output_dbra, ,
	output_millicode_call, output_call, hppa_encode_label,
	output_parallel_movb, output_parallel_addb): Constify a char*.
	(hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
	(output_parallel_addb): Remove extra arg to `constrain_operands'

	* pa.h:  Move all prototypes to pa-protos.h.
	(pa_cpu_string, pa_arch_string): Constify a char*.
	(LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.

	* pa.md: Call `function_label_operand' with mode argument.
	Likewise for `read_only_operand'.
	Fix nesting of parens in call to `symbolic_operand'.
	
2000-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* i860-protos.h: New file.

	* i860.c: Include tm_p.h.  Add static prototypes.  Fix compile
	time warnings.
	
	* i860.h: Move prototypes to i860-protos.h.  Fix compile time warnings.
	
	* i860.md: Likewise.

Tue Jan 11 18:59:35 MET 2000  Jan Hubicka <jh@suse.cz>

	* i386.md (movstrsi expander): Rewrite.
	(movstrsi_1 insn): Deleted.
	(strmovhi, strmovqi expander): New expanders.
	(movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
	* i386.c (x86_single_stringop): New global variable.
	* i386.h (x86_single_stringop): Declare.
	(TARGET_SINGLE_STRINGOP): New macro.

2000-01-11  Clinton Popetz  <cpopetz@cygnus.com>

        * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
        integer vararg POSTINCREMENT before the destination of the jump
        for the hard fp case. 
        (function_arg_pass_by_reference): Pass a copy of CUM to 
	FUNCTION_ARG.
        
        * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
        for CONSTANT_ADDRESS_P above while loop for subreg.

2000-01-11  Clinton Popetz  <cpopetz@cygnus.com>

	* flow.c (propagate_block): When a prologue/epilogue insn
        is marked dead, unconditionally clear libcall_is_dead and
        insn_is_dead, and only dump rtl if warnings aren't being
        suppressed.

Tue Jan 11 16:26:47 MET 2000  Jan Hubicka <jh@suse.cz>

	* i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
	* i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
	(FIXED_REGISTERS): Set dirflag as fixed.
	(CALL_USED_REGISTERS): Set dirflag as used.
	(REG_ALLOC_ORDER): Set dirflag as last one.
	(DIRFLAG_REG): New macro.
	(MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
	(HI_REGISTER_NAMES): Add dirflag.
	(DEBUF_PRINT_REG): Handle dirflag.
	* i386.md (type attribute): New cld and str types.
	(length_opcode attribute): Set cld and str to 1.
	(memory attribute): Set str to unknown - it is not clear from the
	patterns.
	(pent_np function unit): Prefixed string operations takes 12 cycles
	minimally; cld takes 2 cycles.
	(ppro_uops attribute): Str is "many" and cld is "few".
	(ppro_p0 unit): Handle cld here.
	(k6_alux unit): Handle cld and str types.
	(k6_load unit): It is ocupied by str opcodes.
	(k6_store unit): It is ocupied by str opcodes.
	(athlon_decode): Str is vector decoded.
	(athlon_ieu): Handle str and cld.
	(cld pattern): New.
	(movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
	(movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
	cmpstrsi_nz_1 insn): Do not output cld instruction

Tue Jan 11 06:14:39 2000  David Starner <dstarner98@aasaa.ofe.org>

	* gcc.texi (G++ and GCC): Add Java and Chill.
	(Bug Critera): Don't list languages.

	* gcc.texi (Incompatibilities): No longer claim most C compilers
	are K&R.

	* gcc.texi (G++ and GCC): Update other front-ends list.

Tue Jan 11 05:49:01 2000  Jeffrey A Law  (law@cygnus.com)

	* i386.c (ix86_expand_setcc): Fix typo.
	(ix86_expand_movcc): Similarly.

	* Band-aid until haifa's bitset implementation is nuked.
	* haifa-sched.c (extract_bitlst): New parameter for size of the
	bitset in bits.  All callers changed.  Avoid looking at undefined
	bits in the bitset.
	(edgeset_bitsize): New variable.
	(schedule_region): Initialize edgeset_bitsize.

2000-01-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* Makefile.in (optabs.o): Depend on real.h
	(resource.o): Depend on insn-attr.h

	* builtins.c (result_vector): Wrap prototype in macro conditions
	governing definition and use.

	* c-common.c: Include tm_p.h.

	* c-lex.c: Likewise.

	* elfos.h: Constify a char*.

	* final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
	(get_attr_length, shorten_branches, profile_after_prologue): Mark
	parameter with ATTRIBUTE_UNUSED.

	* fold-const.c (exact_real_inverse): Wrap variable `i' in
	CHECK_FLOAT_VALUE.

	* haifa-sched.c (schedule_insns): Mark parameter with
	ATTRIBUTE_UNUSED.

	* optabs.c: Include real.h.

	* real.h (ereal_atof): Add prototype arguments.

	* resource.c: Include insn-attr.h.

	* sdbout.c (sdbout_queue_anonymous_type,
	sdbout_dequeue_anonymous_types): Wrap in macro
	SDB_ALLOW_FORWARD_REFERENCES.
	(sdbout_init, sdbout_start_new_source_file): Mark parameter with
	ATTRIBUTE_UNUSED.

	* stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.

	* stupid.c: Include tm_p.h.

	* tree.c (real_value_from_int_cst): Mark parameter with
	ATTRIBUTE_UNUSED.

2000-01-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* i960-protos.h: New file.

	* i960.c: Include tm_p.h.  Add static prototypes.  Fix compile
	time warnings.
	
	* i960.h: Move prototypes to i960-protos.h.  Fix compile time warnings.

2000-01-10  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>

	* combine.c (expand_field_assignment): Do not discard SUBREGs
	while computing nonzero_bits.

2000-01-09  Nick Clifton  <nickc@cygnus.com>

	* config/arm/arm.c: Fix compile time warnings about signed vs
	unsigned constants.
	* config/arm/arm.h: Fix compile time warnings about signed vs
	unsigned constants.

2000-01-09  Philip Blundell  <philb@gnu.org>

	* config/arm/arm.c (output_return_instruction): Use `ldr' rather
	than `ldm' with only one register.
	* config/arm/arm.md (push_multi): Use `str' rather than `stm' with 
	only one register.

	* config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
	clobbered.

Sun Jan  9 17:50:23 2000  Hans-Peter Nilsson  <hp@axis.com>

	* config/ns32k/ns32k.md (load or push effective address): Operand 1
	must have SImode.

2000-01-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
	assignment used as truth value.

	* function.c (assign_temp): Mark parameter `dont_promote' with
	ATTRIBUTE_UNUSED.  Wrap variable `unsignedp' with macro
	PROMOTE_FOR_CALL_ONLY.

	* genrecog.c (write_subroutine): Mark variable `operands' with
	ATTRIBUTE_UNUSED.

	* optabs.c (prepare_cmp_insn): Mark parameter `align' with
	ATTRIBUTE_UNUSED.

	* sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
	(sdbout_begin_block, sdbout_end_block): Likewise for `file'.

	* toplev.c (note_deferral_of_defined_inline_function): Likewise
	for `decl'.

2000-01-09  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x.h: Tidy up comments.
	* config/c4x.c: Likewise.

Sun Jan  9 01:02:55 EST 2000  John Wehle  (john@feith.com)

	* fold-const.c (lshift_double, rshift_double): Handle
	shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.

2000-01-08  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>

	* toplev.c (rest_of_compilation): Initialize cse_not_expected as
	in prepare_function_start().

Sat Jan  8 12:12:46 2000  Nick Clifton  <nickc@cygnus.com>

	* config/v850/v850.c (expand_epilogue): Interrupt functions no
	longer allocate extra stack for function calls.

2000-01-08  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.md (*subqf3_set): Fix typo.

2000-01-08  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
	
	* config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.

2000-01-07  David Edelsohn  <edelsohn@gnu.org>

	* rs6000.c (processor_target_table): Add power3 as alias for 630.
	* aix43.h: Revert Aug 2 change.
	(HAS_INIT_SECTION): Define, not visible yet.
	(LD_INIT_SWITCH): Define, not visible yet.
	* t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.

	* glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.

	* collect2.c (main): Expand ld2 size further.
	(export_object_lst): Cast assignment to avoid warning.
	(main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
	(scan_prog_file, COFF): Do not collect initialization or
	finalization functions generated for entire shared object if
	init/fini support present.

2000-01-07  Nick Clifton  <nickc@cygnus.com>

	* config/elfos.h: Tidy up formatting of marcos.  Make sure
	that .section directives are always prefixed by a tab.

	* config/svr4.h: Add #include "elfos.h" and remove duplicate
	definitions.

2000-01-07  Matt Austern  <austern@sgi.com>

	* fold-const.c (real_hex_to_f): Remove duplicate declaration of
	expon.

Fri Jan  7 01:55:34 2000  Jeffrey A Law  (law@cygnus.com)

	* Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
	crtstuff.c.
	(crtbegin.o, s-crtS): Likewise.

2000-01-06  Richard Henderson  <rth@cygnus.com>

	* alpha.md (adddi_2+1): Limit offset such that it will be
	loadable with a single ldah+lda pair.
	(adddi_2+2): Explicitly fail split if we can't make it work.

2000-01-06  Mumit Khan  <khan@xraylith.wisc.edu>

	* protoize.c: Conditionally include unistd.h.
	(IS_SAME_PATH_CHAR): New macro.
	(IS_SAME_PATH): New macro.
	(CPLUS_FILE_SUFFIX): New macro.
	(cplus_suffix): New static variable.
	(is_abspath): New static function.
	(in_system_include_dir): Handle DOS style pathnames.
	(file_could_be_converted): Likewise.
	(file_normally_convertible): Likewise.
	(directory_specified_p): Likewise.
	(file_excluded_p): Likewise.
	(abspath): Likewise.
	(shortpath): Likewise.
	(referenced_file_is_newer): Likewise.
	(save_def_or_dec): Likewise.
	(do_processing): Likewise.
	(main): Likewise.
	(edit_file): Likewise. Use rename instead of link.
	(rename_c_file): Likewise. Don't rename syscalls file.
	(munge_compile_params): Define null device for DOS based systems.
	(process_aux_info_file): Use binary mode if appliable.
	(edit_file): Likewise.
	* invoke.texi (Running Protoize): Document C++ suffixes used. 
  
	* cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
	IS_DIR_SEPARATOR macros.
	* collect2.c: Likewise.
	* cppinit.c: Likewise.
	* dwarf2out.c: Likewise.
	* gcc.c: Likewise.
	* gcov.c: Likewise.
	* prefix.c: Likewise.
	* rtl.c: Likewise.
	* toplev.c: Likewise.
	* system.h: And move to here.

	* prefix.c (update_path): Fix typo in variable name.

2000-01-06  Richard Henderson  <rth@cygnus.com>

	* flow.c (mark_set_1): Use loop_depth+1 as reference weight.
	(find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
	(count_reg_sets_1, count_reg_references): Likewise.
	(flow_loops_level_compute): Start counting actual loop depth at 1.
	(flow_loops_find): Likewise.
	* local-alloc.c (update_equiv_regs): Likewise.
	* regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.

2000-01-06  Gabriel Dos Reis  <dosreis@cmla.ens-cachan.fr>
 
       * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
       FIRST_PSEUDO_REGISTER 
       * dwarf2out.c: Don't include frame.h    
       * dwarfout.c: Likewise
       * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
       frame.h 
	
Thu Jan  6 13:44:59 CET 2000  Jan Hubicka  <jh@suse.cz>

	* reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
	dead registers.

	* i386.c (movsf splitter): Fix typo in my last checkin.

2000-01-05  Nick Clifton  <nickc@cygnus.com>

	* varasm.c (IN_NAMED_SECTION): Allow targets to provide their
	own definition of this macro.
	(asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
	flag_data_sections or UNIQUE_SECTION_P are true.

	* tm.texi (UNIQUE_SECTION): Document that it can be called for
	unitialised data decls.

	* config/i386/winnt.c (i386_pe_unique_section): Cope with
	being called for uninitialised data.

	* config/i386/interix.c (i386_pe_unique_section): Cope with
	being called for uninitialised data.

	* config/mips/elf.h (UNIQUE_SECTION): Cope with being called
	for uninitialised data. 

	* config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
	for uninitialised data. 

	* config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
	for uninitialised data. 

	* config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
	(UNIQUE_SECTION_P): Always generate a unique section if
	flag_data_sections is true.
	(UNIQUE_SECTION): Also generate unique sections for
	uninitialised data.
	(ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
	(ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
	named_section(). 
	
2000-01-06  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
	SI, or DI.

2000-01-06  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
	
	* config/c4x/c4x.md (udivqi3, divqi3): Delete.
	(umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
	(*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
	(*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
	(*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.

	* c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.

2000-01-05 11:25 -0800  Zack Weinberg  <zack@rabi.columbia.edu>

	* c-decl.c (finish_enum): Simplify code to determine minimum and
	maximum values of the enum, and calculate the type.  Remove check
	for FUNCTION_DECLs in the values list, which cannot happen.  Replace
	the DECL_INITIAL of each enumeration constant with a copy converted
	to the enumeration type.  When updating variant types, don't bother
	updating the type itself.

	* c-typeck.c (build_binary_op): Simplify conditional expressions
	when weeding out spurious signed-unsigned warnings.  Add new
	spurious warning category: if the unsigned quantity is an enum
	and its maximum value fits in signed_type(result_type).  Update
	commentary.
	(build_conditional_expr): Warn here if one alternative is signed
	and the other is unsigned.

2000-01-05  Nick Clifton  <nickc@cygnus.com>

	* config/fr30/fr30.h: Remove extraneous comments.

2000-01-05  Bernd Schmidt  <bernds@cygnus.co.uk>

	* reload1.c (choose_reload_regs): When disabling a reload, also
	set reload_spill_index to -1.

2000-01-04  Joel Sherrill (joel@OARcorp.com>

	* configure.in (m68*-*-rtemscoff*): New target, formal name for
	old m68*-*-rtems*.
        (m68*-*-rtemself*): New target.
	(mips64orion-*-rtems*): Remove duplicate definition of tm_file.
	(sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
        (sparc*-*-rtemself*): New target.
        (sparc*-*-rtems*): Now elf not a.out.
	* config/i386/rtems.h: Include config/rtems.h.
	* config/i386/rtemself.h: Include config/rtems.h.
	* config/i960/rtems.h: Include config/rtems.h.
	* config/m68k/rtems.h: Include config/rtems.h.
	* config/m68k/rtemself.h: Include config/rtems.h.
	* config/mips/rtems64.h: Include config/rtems.h.
	* config/pa/rtems.h: Include config/rtems.h.
	* config/rs6000/rtems.h: Include config/rtems.h.
	* config/sh/rtems.h: Include config/rtems.h.
	* config/sh/rtemself.h: Include config/rtems.h.
	* config/sparc/rtems.h: Include config/rtems.h.
	* config/sparc/rtemself.h: Include config/rtems.h

Tue Jan  4 23:59:26 2000  Denis Chertykov <denisc@overta.ru>

	* final.c (shorten_branches): Correctly compute length of
	asms without operands.
 
Tue Jan  4 22:55:41 2000  Steve Chamberlain <sac@pobox.com>

	* configure.in: Add pj target.
	* configure: Regenerate.
	* config/pj: New directory.
	* config/pj/lib1funcs.S: New file.
	* config/pj/linux.h: New file.
	* config/pj/pj.c: New file.
	* config/pj/pj.md: New file.
	* config/pj/pjl.h: New file.
	* config/pj/t-pj: New file.
	* config/pj/xm-pj.h: New file

Tue Jan  4 22:30:16 2000  Jeffrey A Law  (law@cygnus.com)

	* toplev.c (rest_of_compilation): Run shorten-branches before
	reg-stack for now.

2000-01-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of 
	macros so that they're consistent with their names.
	* config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
	* config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.

2000-01-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
	modified inadvertently.

2000-01-04  Joel Sherrill <joel@OARcorp.com>

	* configure.in (v850*-*-rtems*): New target.
	* configure: Regenerate.
	* config/v850/rtems.h: New file.

2000-01-04  Mumit Khan  <khan@xraylith.wisc.edu>

	* gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
	(__gthread_key_create): Likewise. 
 	(__gthread_key_dtor):  Likewise.
	(__gthread_once): Fix logic.
	(__gthread_key_delete): Cast away constness.

	* i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
	* invoke.texi: Document.
	* i386/mingw32.h (CPP_SPEC): Use.
	(LIBGCC_SPEC): Likewise.
	* i386/crtdll.h (LIBGCC_SPEC): Likewise.

2000-01-04  David Edelsohn  <edelsohn@gnu.org>

	* rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
	(HANDLE_PRAGMA_PACK): Undefine.
	(SLOW_UNALIGNED_ACCESS): Define.

2000-01-04  David Edelsohn  <edelsohn@gnu.org>

	* expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
	to default definition.
	(store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
	(store_fixed_bit_field): Call macro with word_mode and alignment.
	(extract_bit_field): Call macro with relevant mode and alignment.
	* expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
	to default definition.
	(move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
	and alignment.
	(move_by_pieces_ninsns): Likewise.
	(clear_by_pieces): Likewise.
	(emit_push_insn): Likewise.
	(store_field): Call macro with relevant mode and alignment.
	(expand_expr): Likewise.
	(expand_expr_unaligned): Likewise.

	* rs6000.h (HANDLE_PRAGMA_PACK): Define.
	(SLOW_UNALIGNED_ACCESS): Define.
	(CASE_VECTOR_MODE): Always use 32-bit offsets.
	(ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
	(EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
	(toc_section): Likewise and .toc pseudo-op.
	(ASM_DECLARE_FUNCTION): Likewise.  Align text more strictly in
	64-bit mode.
	(TEXT_SECTION_ASM_OP): Likewise.
	(ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
	32-bit offsets.

	* a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
	* alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
	* arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
	* gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
	* fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.

Tue Jan  4 11:44:13 2000  Jeffrey A Law  (law@cygnus.com)

	* regclass.c: Revert my Jan 4 change to loop cost computation.

Tue Jan  4 19:22:39 MET 2000  Jan Hubicka  <hubicka@freesoft.cz>

	* regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
	compilation.

2000-01-04  Stan Cox  <scox@cygnus.com>

	* haifa-sched.c (build_control_flow): Change unreachable simple
	loop test to check if current block has only one predecessor.
	(find_rgns): Initialize degree.  Use dest as degree index, not src.

2000-01-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* builtins.c (expand_builtin_strlen): Initialize variable `icode'.

	* calls.c (expand_call): Likewise for
	`old_stack_arg_under_construction'.

	* cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.

	* function.c (pad_to_arg_alignment): Likewise for `save_var' and
	`save_constant'.

	* gcc.c (execute): Likewise for `ut' and `st'.

	* genattrtab.c (attr_rtx): Likewise for `rt_val'.

	* genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.

	* jump.c (jump_optimize_1): Likewise for `temp2'.

	* local-alloc.c (block_alloc): Likewise for `r1'.

	* loop.c (recombine_givs): Likewise for `life_start' and `life_end'.

	* reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
	(subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
	
	* regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
	and `set2'.

	* reload.c (find_reloads): Likewise for `goal_alternative_number'
	and `goal_earlyclobber'.

	* scan-decls.c (scan_decls): Likewise for `prev_id_end'.

	* sdbout.c (sdbout_one_type): Likewise for `member_scl'.

	* stupid.c (stupid_life_analysis): Likewise for `chain'.

	* unroll.c (copy_loop_body): Likewise for `copy'.

	* varasm.c (output_constructor): Likewise for `byte'.	

Tue Jan  4 15:34:34 MET 2000  Jan Hubicka  <hubicka@freesoft.cz>

	* i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
	all FP constants for constant->reg moves.
	(ix86_split_to_parts): Try to convert memory address into immediate
	when available in the constant pool.
	* i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
	moves.
	(LEGITIMATE_CONSTANT_P): Return 1.
	* i386.md (pushsf): New splitter to convert constant pool memory
	reference to immediate.
	(mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
	reload.

2000-01-04  Bernd Schmidt  <bernds@cygnus.co.uk>

	* i386.md (ashlsi3_cmpno): Don't accept variables shifts.
	(ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
	ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
	(rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
	rotrhi3_cmpno, rotrqi3_cmpno): Likewise.