gcc/ChangeLog

   1 2004-02-09  James E Wilson  <wilson@specifixinc.com>
   2
   3         PR libstdc++/5625
   4         * builtin-types.def (BT_WORD, BT_FN_WORD_PTR): New.
   5         * builtins.c (expand_builtin): Handle BUILT_IN_EXTEND_POINTER.
   6         * builtins.def (BUILT_IN_EXTEND_POINTER): New.
   7         * except.c (expand_builtin_extend_pointer): New.
   8         * except.h (expand_builtin_extend_pointer): Declare.
   9
  10 2004-02-09  David Edelsohn  <edelsohn@gnu.org>
  11
  12         * config/rs6000/rs6000.c (rs6000_emit_move): Remove splitting slow
  13         unaligned loads and stores.
  14
  15 2004-02-09  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
  16
  17         * config/mips/iris5.h (BSS_SECTION_ASM_OP): Define.
  18         * config/mips/iris6.h (BSS_SECTION_ASM_OP): Undef.
  19
  20         * config/mips/iris6.h (TARGET_ASM_NAMED_SECTION): Moved ...
  21         * config/mips/iris5.h: ... here.
  22         * config/mips/iris5gas.h (TARGET_ASM_NAMED_SECTION): Remove.
  23
  24         * config/mips/iris6.h (EXTRA_SECTION_FUNCTIONS): Move ...
  25         * config/mips/iris5.h: ... here.
  26
  27 2004-02-09  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
  28
  29         * configure.ac: Remove default executable files before AC_PROG_CC.
  30         * configure: Regenerate.
  31
  32 2004-02-09  Kazu Hirata  <kazu@cs.umass.edu>
  33
  34         PR target/13721
  35         * config/h8300/h8300.c (byte_reg): Call abort() if asked to
  36         print a operand other than a register.
  37
  38 2004-02-09  Roger Sayle  <roger@eyesopen.com>
  39
  40         * fold-const.c (fold) <NOP_EXPR>: Use the original type conversion
  41         tree code rather than call fold_convert, which doesn't specify a
  42         default floating point to integer conversion.
  43
  44 2004-02-08  Bernardo Innocenti  <bernie@develer.com>
  45
  46         * config/m68k/m68k.c, config/m68k/m68k.md (SGS, SGS_CMP_ORDER): Remove
  47         code to support SGS assembler.  Reformat adjacent code where possible.
  48         * config/m68k/m68k.c (switch_table_difference_label_flag): Remove
  49         definition.
  50         * config/m68k/m68k.h (PRINT_OPERAND_PUNCT_VALID_P): Remove support
  51         for '%#'.
  52         * config/m68k/linux.h, config/m68k/m68k.c,
  53         * config/m68k/math-68881.h: Replace `%#' with `#' in inline asm
  54         macros and asm_printf() format strings.
  55         * config/m68k/m68kelf.h (ASM_OUTPUT_CASE_END): Remove macro definition.
  56         * config/m68k/linux.h: Update copyright.
  57         * config/m68k/linux.h, config/m68k/m68k.c: Remove traling whitespace.
  58
  59 2004-02-08  Andreas Schwab  <schwab@suse.de>
  60             Bernardo Innocenti  <bernie@develer.com>
  61
  62         * config/m68k/m68k.h (REGISTER_NAMES): Prefix each name with
  63         REGISTER_PREFIX.
  64         * (M68K_FP_REG_NAME): New macro to specify an alternate name for the
  65         frame pointer register, overridable by OS targets.
  66         * (M68K_REGNAME): Macro to obtain register name for asm output,
  67         eventually replacing %a6 with M68K_FP_REG_NAME.
  68         * config/m68k/coff.h (REGISTER_NAMES): Don't redefine.
  69         * config/m68k/linux.h (REGISTER_NAMES): Likewise.
  70         * config/m68k/m68kelf.h (REGISTER_NAMES): Likewise.
  71         * config/m68k/netbsd-elf.h (REGISTER_NAMES): Likewise.
  72         * config/m68k/m68k.c: Use M68K_REGNAME(x) in place of reg_names[x].
  73
  74 2004-02-08  Kazu Hirata  <kazu@cs.umass.edu>
  75
  76         * target-def.h (TARGET_STRUCT_VALUE_RTX): Define as
  77         hook_rtx_tree_int_null.
  78         * targhooks.c (default_struct_value_rtx): Remove.
  79         * targhooks.h: Remove the prototype for
  80         default_struct_value_rtx.
  81         * config/alpha/alpha.c, config/arc/arc.c, config/avr/avr.c,
  82         config/fr30/fr30.c, config/h8300/h8300.c, config/i386/i386.c,
  83         config/ip2k/ip2k.c, config/iq2000/iq2000.c,
  84         config/m32r/m32r.c, config/mcore/mcore.c, config/mips/mips.c,
  85         config/mn10300/mn10300.c, config/pdp11/pdp11.c,
  86         config/rs6000/rs6000.c, config/s390/s390.c,
  87         config/stormy16/stormy16.c, config/v850/v850.c,
  88         config/xtensa/xtensa.c (TARGET_STRUCT_VALUE_RTX): Remove.
  89         * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document the default.
  90
  91 2004-02-08  Joseph S. Myers  <jsm@polyomino.org.uk>
  92
  93         * README.Portability: Change "ISO C89" to "ISO C90".
  94         * c-parse.in (primary, initelt): Likewise.
  95
  96 2004-02-08  Richard Sandiford  <rsandifo@redhat.com>
  97
  98         * real.c (encode_ibm_extended): Normalize the input value before
  99         converting it to a double.  Handle the case where a normal value
 100         rounds to infinity.
 101
 102 2004-02-08  Kazu Hirata  <kazu@cs.umass.edu>
 103
 104         * c-objc-common.c (c_cannot_inline_tree_fn): Fix a typo in a
 105         warning.
 106         * cse.c (preferrable): Change to preferable. Update all of its
 107         callers.
 108         * genautomata.c (ainsn): Change
 109         first_ainsn_with_given_equialence_num to
 110         first_ainsn_with_given_equivalence_num.  Update all of its
 111         references.
 112
 113 2004-02-08  Jan Hubicka  <jh@suse.cz>
 114
 115         * schedule-ebb.c (schedule_ebbs): Do not allocate reg life data.
 116
 117 2004-02-07  David Edelsohn  <edelsohn@gnu.org>
 118
 119         * function.c (assign_parms): Fix formatting.
 120
 121 2004-02-07  Kazu Hirata  <kazu@cs.umass.edu>
 122
 123         * default.h (PROMOTE_PROTOTYPES): Remove.
 124         * system.h (PROMOTE_FUNCTION_RETURN, PROMOTE_PROTOTYPES,
 125         STRUCT_VALUE_REGNUM, SETUP_INCOMING_VARARGS,
 126         EXPAND_BUILTIN_SAVEREGS): Poison.
 127         * target-def.h (TARGET_PROMOTE_FUNCTION_RETURN): Define as
 128         hook_bool_tree_false.
 129         (TARGET_PROMOTE_PROTOTYPES): Likewise.
 130         * target.h: Replace SETUP_INCOMING_VARARGS with
 131         targetm.calls.setup_incoming_varargs().
 132         * targhooks.c (default_promote_function_return): Remove.
 133         (default_promote_prototypes): Likewise.
 134         (default_struct_value_rtx): Always abort().
 135         (default_expand_builtin_saveregs): Always print an error
 136         message.
 137         (default_setup_incoming_varargs): Do nothing.
 138         (default_pretend_outgoing_varargs_named): Don't depend on
 139         SETUP_INCOMING_VARARGS.
 140         * targhooks.h: Remove the prototype for
 141         default_promote_function_return and
 142         default_promote_prototypes.
 143
 144 2004-02-07  Kazu Hirata  <kazu@cs.umass.edu>
 145
 146         * system.h (SHARED_SECTION_ASM_OP): Poison.
 147         * varasm.c (data_section): Don't use SHARED_SECTION_ASM_OP.
 148         * doc/tm.texi (SHARED_SECTION_ASM_OP): Remove.
 149
 150 2004-02-07  Zack Weinberg  <zack@codesourcery.com>
 151
 152         Bug 13856
 153         * c-decl.c (diagnose_mismatched_decls): Only give special
 154         treatment when olddecl is DECL_BUILT_IN, if C_DECL_INVISIBLE
 155         is also true.
 156         (merge_decls): Don't clear DECL_BUILT_IN_CLASS and
 157         DECL_FUNCTION_CODE when defining a built-in function.
 158         Don't update DECL_ESTIMATED_INSNS.
 159         * dwarf2out.c (dwarf2out_decl): Don't ignore built-in
 160         FUNCTION_DECLs.
 161         * tree.h: Delete DECL_ESTIMATED_INSNS.
 162         * tree-inline.c (struct inline_data): Delete inlined_insns field.
 163         (expand_call_inline, optimize_inline_calls): Don't update
 164         DECL_ESTIMATED_INSNS nor inlined_insns.
 165         * cgraphunit.c (cgraph_analyze_function): Don't update
 166         DECL_ESTIMATED_INSNS.
 167
 168 2004-02-07  Zack Weinberg  <zack@codesourcery.com>
 169
 170         * c-common.c (shadow_warning): Delete.
 171         * c-common.h (free_parser_stacks, shadow_warning, sw_kind): Delete.
 172         * c-decl.c (warn_if_shadowing): Issue shadow warnings directly.
 173         * c-opts.c (c_common_parse_file): Don't call free_parser_stacks.
 174         * c-parse.in (free_parser_stacks): Delete.
 175
 176 2004-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
 177
 178         * Makefile.in, config/t-slibgcc-darwin, config/t-slibgcc-elf-ver,
 179         config/t-slibgcc-sld, config/mips/t-iris5-6, config/sh/t-linux:
 180         Use the top level mkinstalldirs, not the one in the gcc subdir.
 181         * mkinstalldirs: Remove (from the gcc subdir).
 182
 183 2004-02-07  Roger Sayle  <roger@eyesopen.com>
 184
 185         PR middle-end/13696
 186         * fold-const.c (fold_convert): New function to provide type
 187         conversion to the middle-end without using convert.
 188         (negate_expr, associate_trees, size_diffop, omit_one_operand,
 189         operand_equal_for_comparison_p, pedantic_omit_one_operand,
 190         invert_truthvalue, optimize_bit_field_compare, range_binop,
 191         decode_field_reference, make_range, build_range_check, unextend,
 192         fold_truthop, extract_muldiv_1, fold_mathfn_compare,
 193         fold_binary_op_with_conditional_arg, fold_inf_compare,
 194         fold_single_bit_test, fold, multiple_of_p): Replace all calls to
 195         convert with calls to fold_convert.
 196
 197 2004-02-07  Jan Hubicka  <jh@suse.cz>
 198
 199         * genrecog.c (find_operand): add extra argument stop.
 200         (validate_pattern): Verify that mach_dup is duplicating operand
 201         defined lexically earlier.
 202
 203 2004-02-07  Kazu Hirata  <kazu@cs.umass.edu>
 204
 205         * config.gcc: Don't mention MAX_LONG_TYPE_SIZE.
 206         * system.h (MAX_LONG_TYPE_SIZE, MAX_LONG_DOUBLE_TYPE_SIZE,
 207         MAX_WCHAR_TYPE_SIZE, GCOV_TYPE_SIZE): Poison.
 208         * config/avr/avr.h, config/h8300/h8300.h, config/i386/i386.h,
 209         config/ia64/ia64.h, config/ip2k/ip2k.h,
 210         config/iq2000/iq2000.h, config/mips/iris5.h,
 211         config/mips/mips.h, config/pa/pa-64.h, config/pa/pa.h,
 212         config/rs6000/aix51.h, config/rs6000/aix52.h,
 213         config/rs6000/darwin.h, config/rs6000/rs6000.h,
 214         config/s390/s390.h, config/sh/sh.h, config/sparc/freebsd.h,
 215         config/sparc/linux.h, config/sparc/linux64.h,
 216         config/sparc/netbsd-elf.h, config/sparc/sparc.h,
 217         config/xtensa/xtensa.h: Remove the definitions of
 218         MAX_LONG_TYPE_SIZE, MAX_LONG_DOUBLE_TYPE_SIZE, and/or
 219         MAX_WCHAR_TYPE_SIZE.
 220         * doc/tm.texi (MAX_LONG_TYPE_SIZE, MAX_LONG_DOUBLE_TYPE_SIZE,
 221         MAX_WCHAR_TYPE_SIZE, GCOV_TYPE_SIZE): Remove.
 222
 223 2004-02-07  Stephane Carrez  <stcarrez@nerim.fr>
 224
 225         PR bootstrap/13990
 226         * config/m68hc11/m68hc11.md ("doloop_end"): Pass dummy arguments to
 227         gen_rtx_NE.
 228
 229 2004-02-07  Josef Zlomek  <zlomekj@suse.cz>
 230
 231         * var-tracking.c (vt_add_function_parameters): Surround checkings by
 232         #ifdef ENABLE_CHECKING and #endif.
 233
 234 2004-02-07  Roger Sayle  <roger@eyesopen.com>
 235
 236         * fold-const.c (negate_expr_p, negate_expr): Optimize -(A+B) into
 237         either (-A)-B or (-B)-A, if A or B is easily negated respectively.
 238         (fold) <MINUS_EXPR>: Optimize (A*C) - (B*C) -> (A-B)*C for both
 239         integer types and floating point with unsafe_math_optimizations.
 240         Add similar optimization for (A*C1) - (A*C2) -> A*(C1-C2).
 241         Optimize A - B as A + (-B), if B is easily negated.
 242
 243 2004-02-07  Kazu Hirata  <kazu@cs.umass.edu>
 244
 245         * c-ppoutput.c, cfganal.c, diagnostic.h, print-rtl.c,
 246         config/darwin.c, config/darwin.h, config/ia64/ia64-c.c,
 247         config/m32r/linux.h, config/rs6000/ppc64-fp.c,
 248         config/sparc/openbsd.h, doc/makefile.texi, doc/passes.texi:
 249         Update copyright.
 250
 251 2004-02-07  Kazu Hirata  <kazu@cs.umass.edu>
 252
 253         * c-ppoutput.c, var-tracking.c: Fix comment typos.
 254
 255 2004-02-06  James E Wilson  <wilson@specifixinc.com>
 256
 257         * config/ia64/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Only define for
 258         glibc 2.3 or better.
 259
 260 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
 261
 262         * doc/tm.texi (TARGET_FLOAT_LIB_COMPARE_RETURNS_BOOL): Change
 263         to FLOAT_LIB_COMPARE_RETURNS_BOOL.
 264
 265 2004-02-07  Alan Modra  <amodra@bigpond.net.au>
 266
 267         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
 268         (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
 269         (SHLIB_MKMAP_OPTS): Delete.
 270         (TARGET_LIBGCC2_CFLAGS): Add -specs.
 271         (bispecs): Add rule.
 272         * config/rs6000/libgcc-ppc64.ver: New file.
 273         * config/rs6000/ppc64-fp.c (__fixtfdi, __floatditf): New functions.
 274         (__floatdidf, __floatdisf): Optimize multiply.
 275         (__fixunstfdi): New function.
 276         * config/rs6000/rs6000.c (rs6000_complex_function_value): Allow for
 277         real and imag parts larger than one register.
 278         (function_arg): Correct type of reg used when fp arg split partially
 279         to stack.
 280         * config/rs6000/darwin-ldouble.c: Protect with #if !_SOFT_FLOAT
 281         and __MACH__ or __powerpc64__.
 282
 283 2004-02-06  Roger Sayle  <roger@eyesopen.com>
 284             Ulrich Weigand  <uweigand@de.ibm.com>
 285
 286         * builtins.c (expand_builtin_signbit): Use extract_bit_field instead
 287         of gen_highpart or gen_lowpart when the floating point format is
 288         wider than the result mode.
 289
 290 2004-02-06  Andrew Pinski  <pinskia@physics.uc.edu>
 291
 292         * dwarf2out.c (loclabel_num): Move into #ifdef
 293         DWARF2_DEBUGGING_INFO.
 294
 295 2004-02-06  Ziemowit Laski  <zlaski@apple.com>
 296
 297         * objc/objc-act.c (build_super_template) the 'class' field of
 298         'struct _objc_super' shall be named 'super_class' #ifdef OBJCPLUS.
 299         (get_super_receiver): Likewise.
 300
 301 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
 302
 303         * reload1.c (check_eliminable_occurrences): Optimize the reset
 304         of can_eliminate.
 305         (eliminate_regs_in_insn): Likewise.
 306
 307 2004-02-06  Daniel Berlin <dberlin@dberlin.org>
 308             Josef Zlomek  <zlomekj@suse.cz>
 309
 310         * dwarf2out.c (struct gcc_debug_hooks): Call dwarf2out_begin_function
 311         at the beginning of function, call dwarf2out_var_location for
 312         NOTE_INSN_VAR_LOCATION note.
 313         (struct var_loc_node, struct var_loc_list_def, loclabel_num,
 314         decl_loc_table): New.
 315         (lookup_decl_loc): New function.
 316         (add_var_loc_to_decl): New function.
 317         (based_loc_descr): Added parameter can_use_fbreg, DW_OP_fbreg is used
 318         only if can_use_fbreg.
 319         (mem_loc_descriptor): Added parameter can_use_fbreg, pass it to other
 320         functions.
 321         (loc_descriptor): Likewise. Process VAR_LOCATION.
 322         (concat_loc_descriptor): Call loc_descriptor with can_use_fbreg == true.
 323         (loc_descriptor_from_tree): Call mem_loc_descriptor with
 324         can_use_fbreg == true.
 325         (add_location_or_const_value_attribute): Added parameter enum
 326         dwarf_attribute attr, generate attribute ATTR.  Create the location list.
 327         (add_bound_info): Call loc_descriptor with can_use_fbreg == true.
 328         (gen_formal_parameter_die): Call add_location_or_const_value_attribute
 329         with attr == DW_AT_location.
 330         (gen_subprogram_die): Generate the location list for DW_AT_frame_base
 331         if frame_base_decl is defined and has a location list.
 332         (gen_variable_die): Call add_location_or_const_value_attribute with
 333         attr == DW_AT_location.
 334         (dwarf2out_var_location): New function.
 335         (dwarf2out_begin_function): New function.
 336         (dwarf2out_init): Create decl_loc_table.
 337
 338 2004-02-06  Ulrich Weigand  <uweigand@de.ibm.com>
 339
 340         * loop.c (force_movables): Transitively increase the priorities of
 341         all insns forces by an insn, not just the first one.
 342
 343 2004-02-06  Josef Zlomek  <zlomekj@suse.cz>
 344             Daniel Berlin <dberlin@dberlin.org>
 345
 346         Josef Zlomek  <zlomekj@suse.cz>
 347         * Makefile.in (var-tracking.o): New.
 348         * common.opt (fvar-tracking): New.
 349         * flags.h (flag_var_tracking): New.
 350         * gengtype.c (adjust_field_rtx_def): NOTE_INSN_VAR_LOCATION was added.
 351         * opts.c (common_handle_option): Add OPT_fvar_tracking.
 352         * print-rtl.c (print_rtx): NOTE_INSN_VAR_LOCATION was added.
 353         * rtl.c (note_insn_name): Likewise.
 354         * rtl.def (VAR_LOCATION): New.
 355         * rtl.h (NOTE_VAR_LOCATION): New.
 356         (NOTE_VAR_LOCATION_DECL): New.
 357         (NOTE_VAR_LOCATION_LOC): New.
 358         (enum insn_note): NOTE_INSN_VAR_LOCATION was added.
 359         (variable_tracking_main): New exported function.
 360         * timevar.def (TV_VAR_TRACKING): New.
 361         * toplev.c (enum dump_file_index): Added DFI_vartrack.
 362         (dump_file): "vartrack" was added (-dV).
 363         (flag_var_tracking): New.
 364         (f_options): "var-tracking" was added.
 365         (rest_of_handle_variable_tracking): New function.
 366         (rest_of_compilation): Run variable tracking.
 367         (process_options): If user has not specified flag_var_tracking set it
 368         according to optimize, debug_info_level and debug_hooks.
 369         * tree.h (frame_base_decl): New.
 370         * var-tracking.c: New file.
 371         * config/ia64/ia64.c (ia64_flag_var_tracking): New variable.
 372         (ia64_override_options): Set flags to run variable tracking in machine
 373         dependent reorg instead of toplev.c.
 374         (ia64_reorg): Run variable tracking if wanted.
 375         * doc/invoke.texi: Mention variable tracking in -dV,
 376         add and -fvar-tracking.
 377         * doc/passes.texi: Added variable tracking pass.
 378
 379         Daniel Berlin <dberlin@dberlin.org>
 380         * debug.h (struct gcc_debug_hooks): Added var_location debug hook.
 381         * dbxout.c (dbx_debug_hooks): Likewise.
 382         (xcoff_debug): Likewise.
 383         * debug.c (do_nothing_debug_hooks): Likewise.
 384         * dwarf2out.c (dwarf2_debug_hooks): Likewise.
 385         * dwarfout.c (dwarf_debug_hooks): Likewise.
 386         * sdbout.c (sdb_debug_hooks): Likewise.
 387         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
 388         * final.c (final_scan_insn): Call var_location debug hook for each
 389         NOTE_INSN_VAR_LOCATION.
 390
 391 2004-02-06  Jan Hubicka  <jh@suse.cz>
 392
 393         * flow.c (update_life_info): Allocate reg_deaths when called from
 394         scheudler.
 395         (attempt_auto_inc):  Update life ranges accordingly.
 396
 397 2004-02-06  Ulrich Weigand  <uweigand@de.ibm.com>
 398
 399         PR debug/11816
 400         * dwarf2out.c (gen_decl_die): Handle anonymous struct members.
 401
 402 2004-02-06  Ulrich Weigand  <uweigand@de.ibm.com>
 403
 404         * cfganal.c (flow_call_edges_add): Never split a libcall block.
 405
 406 2004-02-06  Daniel Berlin  <dberlin@dberlin.org>
 407
 408         * dwarf2out.c (output_loc_list): Don't use deltas if we have
 409         a separate line info table in use.
 410         Use the correct size for terminators.
 411         (output_die): Use offset, not delta.
 412
 413 2004-02-06  H.J. Lu  <hongjiu.lu@intel.com>
 414
 415         * doc/invoke.texi: Remove the pni option from -mfpmath=.
 416
 417 2004-02-06  Jan Hubicka  <jh@suse.cz>
 418
 419         * recog.c (split_all_insns): Do not update reg info.
 420         * regrename.c (regrename_optimize): Likewise.
 421         * toplev.c (rest_of_handle_reorder_blocks): Likewise.
 422         * flow.c (struct propagate_block_info): Add insn_num field.
 423         (reg_deaths): New array.
 424         (life_analysis): Free reg_deaths info.
 425         (allocate_reg_life_data): Allocate reg_deaths array.
 426         (propagate_one_insn): Use new array.
 427         (init_propagate_block): Initialize it.
 428         (free_propagate_block_info): Finish compuation of
 429         REG_LIVE_LENGTH
 430         (attempt_auto_inc): Sanity check that REG_INFO is not
 431         computed at same time.
 432         (mark_used_regs): Update new array.
 433
 434         * reg-stack.c (subst_stack_regs): Unshare clobbers before
 435         substitution.
 436
 437 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
 438
 439         * config/s390/s390.md (*extendsiqi2_short_displ): Change to
 440         *extendqisi2_short_displ.
 441
 442 2004-02-06  Alan Modra  <amodra@bigpond.net.au>
 443
 444         * doc/tm.texi (INIT_CUMULATIVE_ARGS): Update doco.
 445         * calls.c (expand_call): Pass n_named_args to INIT_CUMULATIVE_ARGS.
 446         (emit_library_call_value_1): Likewise pass nargs.
 447         * expr.c (block_move_libcall_safe_for_call_parm): Pass 3 here.
 448         * function.c (assign_parms): Pass -1 to INIT_CUMULATIVE_ARGS.
 449         * config/rs6000/rs6000.c (init_cumulative_args): Use n_named_args
 450         parameter instead of scanning TYPE_ARGS_TYPES to count args.
 451         * config/rs6000/rs6000-protos.h (init_cumulative_args): Update
 452         prototype.
 453         * config/rs6000/rs6000.h (INIT_CUMULATIVE_ARGS): Pass extra arg.
 454         (INIT_CUMULATIVE_INCOMING_ARGS): Set extra arg to 1000.
 455         (INIT_CUMULATIVE_LIBCALL_ARGS): Set extra arg to 0.
 456         * config/sh/sh.c (sh_output_mi_thunk): Pass 1 as n_named_args to
 457         INIT_CUMULATIVE_ARGS.
 458         * config/alpha/alpha.h (INIT_CUMULATIVE_ARGS): Update.
 459         * config/alpha/unicosmk.h, config/alpha/vms.h, config/arc/arc.h,
 460         config/arm/arm.h, config/avr/avr.h, config/c4x/c4x.h,
 461         config/cris/cris.h, config/fr30/fr30.h, config/frv/frv.h,
 462         config/h8300/h8300.h, config/i386/i386.h, config/i860/i860.h,
 463         config/ia64/ia64.h, config/ip2k/ip2k.h, config/iq2000/iq2000.h,
 464         config/iq2000/iq2000.c, config/m32r/m32r.h, config/m68hc11/m68hc11.h,
 465         config/m68k/m68k.h, config/mcore/mcore.h, config/mips/mips.h,
 466         config/mmix/mmix.h, config/mn10300/mn10300.h, config/ns32k/ns32k.h,
 467         config/pa/pa.h, config/pdp11/pdp11.h, config/s390/s390.h,
 468         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
 469         config/v850/v850.h, config/vax/vax.h, config/xtensa/xtensa.h: Likewise.
 470
 471 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
 472
 473         * genemit.c (gen_exp) [CONST_INT]: Use const_int_rtx whenever
 474         possible.
 475
 476 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
 477
 478         * reload1.c (eliminate_regs_in_insn): If a set has a REG_EQUAL
 479         note containing (plus (reg) (const_int)), where reg is an
 480         eliminable reg, then perform the register elimination without
 481         depending on eliminate_regs().
 482
 483 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
 484
 485         * config/arc/arc.c (arc_return_in_memory): Check the return
 486         value of int_size_in_bytes against -1.  Don't check
 487         TREE_ADDRESSABLE.
 488         * config/avr/avr.c (avr_return_in_memory): Check the return
 489         value of int_size_in_bytes against -1.
 490         * config/ip2k/ip2k.c (ip2k_return_in_memory): Likewise.
 491         * config/m68hc11/m68hc11.c (m68hc11_return_in_memory):
 492         Likewise.
 493         * config/mcore/mcore.c (mcore_return_in_memory): Likewise.
 494         * config/stormy16/stormy16.c (xstormy16_return_in_memory):
 495         Likewise.
 496
 497 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
 498
 499         * config/frv/frv-protos.h: Remove the prototype for
 500         frv_setup_incoming_varargs.
 501         * config/frv/frv.c (TARGET_SETUP_INCOMING_VARARGS): New.
 502         (frv_setup_incoming_varargs): Make it static.
 503         * config/frv/frv.h (SETUP_INCOMING_VARARGS): Remove.
 504
 505 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
 506
 507         * config/fr30/fr30-protos.h: Remove the prototype for
 508         fr30_setup_incoming_varargs.
 509         Update the prototypes for fr30_num_arg_regs and
 510         fr30_function_arg_partial_nregs.
 511         * config/fr30/fr30.c (TARGET_STRUCT_VALUE_RTX): New.
 512         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
 513         (fr30_setup_incoming_varargs): Make it static.
 514         Add argument second_time.  Don't do anything when second_time
 515         is nonzero.
 516         (fr30_num_arg_regs): Change the type of the first argument to
 517         enum machine_mode.
 518         (fr30_function_arg_partial_nregs): Change the type of the
 519         second argument to enum machine_mode.
 520         * config/fr30/fr30.h (STRUCT_VALUE): Remove.
 521         (SETUP_INCOMING_VARARGS): Remove.
 522
 523 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
 524
 525         * config/arc/arc-protos.h: Remove the prototype for
 526         arc_setup_incoming_varargs.
 527         * config/arc/arc.c (TARGET_ASM_EXTERNAL_LIBCALL): New.
 528         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
 529         (arc_setup_incoming_varargs): Make it static.
 530         (arc_external_libcall): Likewise.
 531         * config/arc/arc.h (SETUP_INCOMING_VARARGS): Remove.
 532         Remove the commented-out definition of
 533         ASM_OUTPUT_EXTERNAL_LIBCALL.
 534
 535 2004-02-05  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
 536
 537         * config/sh/t-linux (SHLIB_INSTALL): Prepend $$(DESTDIR)
 538         to $$(slibdir) in the installation commands.
 539
 540 2004-02-05  David Edelsohn  <edelsohn@gnu.org>
 541
 542         * reload.c (refers_to_regno_for_reload_p): Index hard_regno_nregs
 543         with inner_regno, not regno.
 544         * rtlanal.c (refers_to_regno_p): Same.
 545
 546 2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>
 547
 548         * config.gcc: Remove i370 support.
 549
 550 2004-02-05  Kelley Cook  <kcook@gcc.gnu.org>
 551
 552         * doc/install.texi:  Update automake and autoconf version
 553         requirements.  Note where to find gcj automake version.
 554
 555 2004-02-05  Kelley Cook  <kcook@gcc.gnu.org>
 556
 557         * Makefile.in (generate-manpages): Move dependencies to ...
 558         (man): here.
 559         * doc/makefile.texi: Document new targets.
 560         * doc/sourcebuild.texi (Make-lang.in): Document new langhooks.
 561
 562 2004-02-05  Kelley Cook  <kcook@gcc.gnu.org>
 563
 564         PR/13485
 565         Makefile.in (srcextra):  Add a level of indirection to ...
 566         (gcc.srcextra): ... here.
 567         (po-generated): Delete.
 568         (po/$(PACKAGE).pot: Use srcextra instead of po-generated.  Depend on
 569         options.c.
 570         (start.encap): Remove superfluous lang.srcextra dependency.
 571         objc/Make-lang.in (po-generated):  Delete.
 572
 573 2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>
 574
 575         * config/ia64/ia64.c (REG_GP): Remove.
 576
 577 2004-02-05  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 578
 579         * config/mips/iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
 580
 581 2004-02-05  Devang Patel  <dpatel@apple.com>
 582
 583         * dwarf2out.c (force_type_die): Look up input type itself
 584         instead of root_type() of type.
 585
 586 2004-02-05  Andreas Krebbel  <krebbel1@de.ibm.com>
 587
 588         * config/s390/s390.md ("*tmqidi_ext"): New insn.
 589         ("*extendqidi2_short_displ", "*extendsiqi2_short_displ"): Old
 590         pre-reload splitters are transformed to post-reload
 591         define_insn_and_split patterns.
 592         ("*tmqisi_ext"): Renamed old "*tmqi_ext".
 593
 594 2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>
 595
 596         * config/cris/cris.h: Replace PROMOTE_PROTOTYPES with
 597         TARGET_PROMOTE_PROTOTYPES.
 598
 599 2004-02-05  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 600
 601         PR middle-end/13750
 602         Revert:
 603         2004-01-15  Geoffrey Keating  <geoffk@apple.com>
 604         PR pch/13361
 605         * c-typeck.c (constructor_asmspec): Delete.
 606         (struct initializer_stack): Delete field 'asmspec'.
 607         (start_init): Delete saving of asmspec.
 608         (finish_init): Don't update constructor_asmspec.
 609         * dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
 610         * stmt.c (expand_asm): Duplicate strings from tree.
 611         (expand_asm_operands): Likewise.
 612         * tree.c (tree_size): Update computation of size of STRING_CST.
 613         (make_node): Don't make STRING_CST nodes.
 614         (build_string): Allocate string with tree node.
 615         * tree.def (STRING_CST): Update comment.
 616         * tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
 617         (tree_string): Place contents of string in tree node.
 618         * config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
 619         from tree.
 620
 621 2004-02-05  Joseph S. Myers  <jsm@polyomino.org.uk>
 622
 623         * diagnostic.h (DEFINE_DIAGNOSTIC_KIND): Change parameter M to
 624         msgid.
 625
 626 2004-02-05  Dorit Naishlos  <dorit@il.ibm.com>
 627
 628         * config/rs6000/altivec.md (*movv4si_internal): At least one
 629         operand must be altivec_register_operand.
 630         (*movv8hi_internal1): Likewise.
 631         (*movv16qi_internal1): Likewise.
 632         (*movv4sf_internal1): Likewise.
 633
 634 2004-02-05  David Edelsohn  <edelsohn@gnu.org>
 635
 636         * configure.ac (gcc_cv_as_powerpc_mfcrf): Correct test for mfcr.
 637         * configure: Regenerate.
 638
 639 2004-02-05  Jonathan Wakely  <redi@gcc.gnu.org>
 640
 641         * doc/install.texi: Update description of --gxx-include-dir to
 642         give correct default value.
 643
 644 2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>
 645
 646         * config/h8300/h8300.h (REG_OK_FOR_BASE_NONSTRICT_P): Replace
 647         8 with MAC_REG.
 648
 649 2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>
 650
 651         * config/pa/pa.c (emit_hpdiv_const): Replace gen_rtx with
 652         gen_rtx_PARALLEL.
 653
 654 2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>
 655
 656         * emit-rtl.c: Update the comment about the file.
 657
 658 2004-02-05  Joseph S. Myers  <jsm@polyomino.org.uk>
 659
 660         * sourcebuild.texi (Test Idioms): Update testcase naming
 661         conventions.
 662
 663 2004-02-04  Per Bothner  <per@bothner.com>
 664
 665         Partially revert/redo 2003-10-01 change; fix -fworking-directory.
 666         * c-ppoutput.c (pp_dir_change):  New function.
 667         * c-common.h (pp_dir_change):  New declaration.
 668         * cpplib.h (struct cpp_options):  Remove working_directory field.
 669         * cppinit.c (cpp_find_main_file, cpp_push_main_file):  Merge back to
 670         (cpp_read_main_file):  as before 10-01.  Call _cpp_stack_file.
 671         Don't handle -fworking_directory here, but in c_common_post_options.
 672         (read_original_directory): Don't back up when done.
 673         Don't clear no-longer used working_directory flag.
 674         * cpplib.h:  Update declarations to match.
 675         * c-lex.c (cb_dir_change):  Move to c-opts.c.
 676         (init_c_lex):  Don't set dir_change callback here, since we want
 677         to set it even if flag_preprocess_only.
 678         * c-opts.c (cb_dir_change):  Function moved from c-lex.c.
 679         (c_common_post_options):  Set dir_change callback.
 680         Call pp_dir_change if approporiate.
 681         (finish_options):  Don't call cpp_find_main_file here.  Hence remove
 682         unneeded parameter and result. Do LC_RENAME for <built-in>.
 683         (c_common_post_options):  Call cpp_read_main_file here instead.
 684         (c_common_init):  Update accordingly.
 685         (push_command_line_include):  Don't cpp_push_main_file.
 686         Do LC_RENAME rather than LC_LEASE to get back to main file.
 687         Compared to pre-10-01 version, inline cpp_rename_to_main_file.
 688         (c_common_parse_file):  Call cpp_read_main_file for subsequent main
 689         files, but call finish_options for all files.
 690         * c-opts.c (sanitize_cpp_opts):  Don't set cpp_opts->working_directory.
 691         * fix-header.c (read_scan_file):  Call cpp_read_main_file instead of
 692         cpp_find_main_file + cpp_push_main_file.
 693         * c-lex.c (fe_file_change):  Don't set main_input_filename here.
 694         * opts.c (handle_options):  Only set main_input_filename first time.
 695
 696 2004-02-05  Ian Lance Taylor  <ian@wasabisystems.com>
 697
 698         * config/arm/arm.h (REG_CLASS_NAMES): Add missing comma.
 699
 700 2004-02-04  Geoffrey Keating  <geoffk@apple.com>
 701
 702         * reload.c (find_equiv_reg): When checking for register overlap,
 703         don't index hard_regno_nregs with a pseudo-reg.
 704
 705 2004-02-04  Ulrich Weigand  <uweigand@de.ibm.com>
 706
 707         * config/s390/s390.c (s390_trampoline_template): Remove gen_rtx().
 708
 709 2004-02-04  David Edelsohn  <edelsohn@gnu.org>
 710
 711         * reload.c (refers_to_regno_for_reload_p): Test regno, not inner_regno,
 712         against FIRST_PSEUDO_REGISTER.
 713
 714 2004-02-04  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 715
 716         * Makefile.in: Move target, host overrides after per-language
 717         fragments.
 718
 719         * config/mips/t-iris5-as (FORCE_DEBUG_ADAFLAGS): Clear.
 720         (GNATLIBCFLAGS): Remove -g.
 721
 722 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
 723
 724         * config/alpha/alpha.c, config/arc/arc.c, config/avr/avr.c,
 725         config/i386/i386.c, config/i386/i386.h, config/i386/i386.md,
 726         config/ia64/ia64.c, config/ia64/unwind-ia64.c,
 727         config/m32r/m32r.c, config/ns32k/ns32k.c, config/pa/pa.c,
 728         config/pdp11/pdp11.c, config/rs6000/rs6000.c,
 729         config/sparc/sparc.c, config/vax/vax.c: Revert the
 730         replacements of "FALLTHRU" with "Fall through" done in the
 731         previous patch.
 732
 733 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
 734
 735         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
 736         config/arm/arm.c, config/arm/arm.md,
 737         config/cris/cris-protos.h, config/fr30/fr30.c,
 738         config/fr30/fr30.h, config/h8300/h8300.c, config/i386/i386.h,
 739         config/i860/i860.c, config/i860/i860.h, config/ia64/ia64-c.c,
 740         config/ia64/ia64.c, config/ia64/ia64.h, config/ip2k/ip2k.h,
 741         config/ip2k/ip2k.md, config/ip2k/libgcc.S,
 742         config/m32r/linux.h, config/m32r/m32r.c, config/m32r/m32r.h,
 743         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
 744         config/mips/mips.c, config/mmix/mmix.c, config/mmix/mmix.md,
 745         config/ns32k/netbsd.h, config/ns32k/ns32k.c,
 746         config/ns32k/ns32k.h, config/pdp11/pdp11.h,
 747         config/rs6000/darwin-ldouble.c, config/s390/s390.h,
 748         config/s390/s390.md, config/sparc/netbsd-elf.h,
 749         config/sparc/openbsd.h, config/sparc/sparc.c,
 750         config/xtensa/lib2funcs.S: Fix comment formatting.
 751
 752 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
 753
 754         * config/alpha/alpha.c, config/arc/arc.c,
 755         config/arm/arm-cores.def, config/arm/arm.c, config/arm/arm.h,
 756         config/arm/arm1026ejs.md, config/arm/arm1136jfs.md,
 757         config/arm/arm926ejs.md, config/arm/vfp.md, config/avr/avr.c,
 758         config/c4x/c4x.c, config/cris/cris.c, config/frv/frv.md,
 759         config/i386/i386.c, config/i386/i386.h, config/i386/i386.md,
 760         config/ia64/ia64.c, config/ia64/unwind-ia64.c,
 761         config/iq2000/iq2000.c, config/m32r/m32r.c,
 762         config/mips/mips.c, config/mmix/mmix.c, config/mmix/mmix.h,
 763         config/ns32k/ns32k.c, config/pa/pa.c, config/pdp11/pdp11.c,
 764         config/rs6000/darwin-ldouble.c, config/rs6000/rs6000.c,
 765         config/rs6000/rs6000.h, config/sparc/sparc.c,
 766         config/vax/vax.c: Fix comment typos.  Follow spelling
 767         conventions.
 768
 769 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
 770
 771         * alloc-pool.h, c-convert.c, c-lang.c, c-tree.h,
 772         caller-save.c, df.h, genconfig.c, global.c, lcm.c,
 773         ra-rewrite.c, ra.c, regclass.c, regs.h, resource.c,
 774         sched-rgn.c, config/arm/aof.h, config/arm/cirrus.md,
 775         config/arm/fpa.md, config/arm/iwmmxt.md,
 776         config/arm/netbsd-elf.h, config/arm/netbsd.h,
 777         config/m68hc11/m68hc11.md, config/mips/iris5.h,
 778         config/mn10300/mn10300.md, config/rs6000/altivec.md,
 779         config/sparc/netbsd-elf.h: Update copyright.
 780
 781 2004-02-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
 782
 783         * config/sparc/sparc.c (function_arg_pass_by_reference): Return 1
 784         for all modes whose size is greater than 8 bytes if ARCH32.
 785         (sparc_va_arg): Handle all modes whose size is greater than 8 bytes
 786         by reference if ARCH32.
 787
 788 2004-02-04  Aldy Hernandez  <aldyh@redhat.com>
 789
 790         * cgraphunit.c (cgraph_postorder): Fix typo in comment.
 791
 792 2004-02-04  Ulrich Weigand  <uweigand@de.ibm.com>
 793
 794         * config/s390/s390.md ("*la_64" + peepholes, "reload_indi"): Move
 795         to before adddi3 insn patterns.
 796         ("*la_31" + peepholes, "*la_31_and", "*la_31_and_cc", "force_la_31",
 797         "reload_insi"): Move to before addsi3 insn patterns.
 798
 799 2004-02-04  Mark Mitchell  <mark@codesourcery.com>
 800
 801         * calls.c (initialize_argument_information): Add CALL_FROM_THUNK_P
 802         parameter.  Use it instead of current_function_is_thunk.
 803         * function.h (struct function): Update documentation for is_thunk.
 804         * tree.h (CALL_FROM_THUNK_P): New macro.
 805         * config/alpha/alpha.c (alpha_sa_mask): Do not check
 806         no_new_pseudos when testing current_function_is_thunk.
 807         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likeiwse.
 808
 809 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
 810
 811         * doc/tm.texi: Replace SETUP_INCOMING_VARARGS with
 812         TARGET_SETUP_INCOMING_VARARGS.
 813
 814 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
 815
 816         * emit-rtl.c (gen_rtx): Remove.
 817         * genattrtab.c: Don't mention gen_rtx in a comment.
 818         * rtl.h: Remove the prototype for gen_rtx.
 819         * doc/md.texi: Replace gen_rtx with gen_rtx_REG.
 820
 821 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
 822
 823         * config/arc/arc.h, config/fr30/fr30.h
 824         (SETUP_INCOMING_VARARGS): Remove the target-independent
 825         comments.
 826         * doc/tm.texi: Don't mention deprecated target macros.
 827
 828 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
 829
 830         * config/fr30/fr30.h (FUNCTION_VALUE): Remove the
 831         target-independent comment.
 832
 833 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
 834
 835         * doc/interface.texi, doc/tm.texi, doc/trouble.texi: Don't
 836         mention deprecated target macros.
 837
 838 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
 839
 840         * config.gcc: Remove obsolete ports and configurations.
 841         * config/linux-aout.h, config/netware.h,
 842         config/t-linux-gnulibc1, config/d30v/abi,
 843         config/d30v/d30v-protos.h, config/d30v/d30v.c,
 844         config/d30v/d30v.h, config/d30v/d30v.md,
 845         config/d30v/libgcc1.asm, config/d30v/t-d30v,
 846         config/dsp16xx/dsp16xx-modes.def,
 847         config/dsp16xx/dsp16xx-protos.h, config/dsp16xx/dsp16xx.c,
 848         config/dsp16xx/dsp16xx.h, config/dsp16xx/dsp16xx.md,
 849         config/i370/README, config/i370/i370-c.c,
 850         config/i370/i370-protos.h, config/i370/i370.c,
 851         config/i370/i370.h, config/i370/i370.md, config/i370/linux.h,
 852         config/i370/mvs.h, config/i370/oe.h, config/i370/t-i370,
 853         config/i386/freebsd-aout.h, config/i386/linux-aout.h,
 854         config/i386/moss.h, config/i386/netware.h,
 855         config/i386/svr3.ifile, config/i386/svr3dbx.h,
 856         config/i386/svr3gas.h, config/i386/svr3z.ifile,
 857         config/i386/t-udk, config/i386/udk.h, config/i386/vsta.h,
 858         config/i960/i960-c.c, config/i960/i960-coff.h,
 859         config/i960/i960-modes.def, config/i960/i960-protos.h,
 860         config/i960/i960.c, config/i960/i960.h, config/i960/i960.md,
 861         config/i960/rtems.h, config/i960/t-960bare,
 862         config/m68k/hp310.h, config/m68k/hp320.h,
 863         config/m68k/hp320base.h, config/m68k/m68kv4.h,
 864         config/m68k/netbsd.h, config/m68k/sgs.h, config/m68k/t-hp320:
 865         Remove.
 866         * doc/extend.texi, doc/install.texi, doc/invoke.texi,
 867         doc/md.texi: Remove mentions of obsolete ports.
 868
 869 2004-02-04  Jan Hubicka  <jh@suse.cz>
 870
 871         * alias.c (find_base_term, get_addr):  Do not dereference NULL
 872         pointer when all VALUE's locations has been invalidated.
 873         (rtx_equal_for_memref_p): Simplify checking of VALUEs.
 874
 875 2004-02-03  Wolfgang Bangerth  <bangerth@dealii.org>
 876
 877         * doc/invoke.texi (x86 options): Fix spelling/wording.
 878
 879 2004-02-03  Richard Sandiford  <rsandifo@redhat.com>
 880
 881         * config/mips/iris5.h (ASM_OUTPUT_ASCII): Use mips_output_ascii to
 882         put the original string in a comment.
 883         * config/mips/mips-protos.h (mips_output_ascii): Add prefix argument.
 884         * config/mips/mips.c (mips_output_ascii): Likewise.
 885         * config/mips/mips.h (ASM_OUTPUT_ASCII): Adjust accordingly.
 886
 887 2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>
 888
 889         * system.h (GIV_SORT_CRITERION): Poison.
 890         * config/avr/avr.h (GIV_SORT_CRITERION): Remove.
 891         * config/ip2k/ip2k.h (GIV_SORT_CRITERION): Likewise.
 892
 893 2004-02-03  Roger Sayle  <roger@eyesopen.com>
 894
 895         PR target/9348
 896         * expr.c (expand_expr_real) <MULT_EXPR>:  When performing widening
 897         multiplies with a multiplication of the wrong signedness, its the
 898         signedness of the multiplication that we've performed that needs to
 899         be passed to expand_mult_highpart_adjust.  Avoid emitting a nop-move
 900         if expand_mult_highpart_adjust places the result in target.
 901
 902 2004-02-03  Richard Henderson  <rth@redhat.com>
 903
 904         * varasm.c (const_desc_rtx_sym_eq): Compare symbol strings.
 905
 906 2004-02-03  J"orn Rennecke <joern.rennecke@superh.com>
 907
 908         * config.gcc (sh[234]l): Use little endian fragments.
 909
 910 2004-02-03  Paul Koning  <pkoning@equallogic.com>
 911
 912         * config/pdp11/pdp11-modes.def: Add RESET_FLOAT_FORMAT calls.
 913         * config/pdp11/pdp11-protos.h (legitimate_const_double_p): Add.
 914         * config/pdp11/pdp11.c (encode_pdp11_f, decode_pdp11_f,
 915         encode_pdp11_d, decode_pdp11_d): New functions to handle PDP11
 916         floating point format.
 917         (pdp11_f_format, pdp11_d_format): New real_format descriptors for
 918         the above functions.
 919         (output_move_quad): Output float values in correct target format.
 920         (legitimate_const_double_p): New function.
 921         * config/pdp11/pdp11.h: Fix typos.
 922         (FLOAT_WORDS_BIG_ENDIAN): Add definition.
 923         (TARGET_FLOAT_FORMAT): Ditto.
 924         (pdp11_f_format, pdp11_d_format): Add external declarations.
 925         (MAX_REGS_PER_ADDRESS): Corrected.
 926         (LEGITIMATE_CONSTANT_P): Use legitimate_const_double_p().
 927         (PRINT_OPERAND): Output float literals in target format.
 928
 929 2004-02-03  Mark Mitchell  <mark@codesourcery.com>
 930
 931         PR c++/13975
 932         * tree.h (enum tree_index): Add TI_PUBLIC, TI_PROTECTED, and
 933         TI_PRIVATE.
 934         (access_public_node): Redefine.
 935         (access_protected_node): Likewise.
 936         (access_private_node): Likewise.
 937         * tree.c (build_common_tree_nodes): Create access_public_node,
 938         access_protected_node, and access_private_node.
 939
 940 2004-02-03  Steve Ellcey  <sje@cup.hp.com>
 941
 942         * config/ia64/ia64.h (MASK_INLINE_INT_DIV_LAT): Change value.
 943         (MASK_INLINE_INT_DIV_THR): Ditto.
 944         (MASK_INLINE_SQRT_LAT): Ditto.
 945         (MASK_INLINE_SQRT_THR): Ditto.
 946         (MASK_DWARF2_ASM): Ditto.
 947         (MASK_EARLY_STOP_BITS): Ditto.
 948
 949 2004-02-02  Paul Brook  <paul@codesourcery.com>
 950
 951         Merge from csl-arm-branch.
 952
 953         2004-01-30  Paul Brook  <paul@codesourcery.com>
 954
 955         * aof.h (REGISTER_NAMES): Add vfp reg names
 956         (ADDITIONAL_REGISTER_NAMES): Ditto.
 957         * aout.h (REGISTER_NAMES): Ditto.
 958         (ADDITIONAL_REGISTER_NAMES): Ditto.
 959         * arm-protos.h: Update/Add Prototypes.
 960         * arm.c (init_fp_table): Rename from init_fpa_table. Update users.
 961         Only allow 0.0 for VFP.
 962         (fp_consts_inited): Rename from fpa_consts_inited.  Update users.
 963         (values_fp): Rename from values_fpa.  Update Users.
 964         (arm_const_double_rtx): Rename from const_double_rtx_ok_for_fpa.
 965         Update users.  Only check valid constants for this hardware.
 966         (arm_float_rhs_operand): Rename from fpa_rhs_operand.  Update Users.
 967         Only allow consts for FPA.
 968         (arm_float_add_operand): Rename from fpa_add_operand.  Update users.
 969         Only allow consts for FPA.
 970         (use_return_insn): Check for saved VFP regs.
 971         (arm_legitimate_address_p): Handle VFP DFmode addressing.
 972         (arm_legitimize_address): Ditto.
 973         (arm_general_register_operand): New function.
 974         (vfp_mem_operand): New function.
 975         (vfp_compare_operand): New function.
 976         (vfp_secondary_reload_class): New function.
 977         (arm_float_compare_operand): New function.
 978         (vfp_print_multi): New function.
 979         (vfp_output_fstmx): New function.
 980         (vfp_emit_fstm): New function.
 981         (arm_output_epilogue): Output VPF reg restore code.
 982         (arm_expand_prologue): Output VFP reg save code.
 983         (arm_print_operand): Add 'P'.
 984         (arm_hard_regno_mode_ok): Return modes for VFP regs.
 985         (arm_regno_class): Return classes for VFP regs.
 986         (arm_compute_initial_elimination_offset): Include space for VFP regs.
 987         (arm_get_frame_size): Ditto.
 988         * arm.h (FIXED_REGISTERS): Add VFP regs.
 989         (CALL_USED_REGISTERS): Ditto.
 990         (CONDITIONAL_REGISTER_USAGE): Enable VFP regs.
 991         (FIRST_VFP_REGNUM): Define.
 992         (LAST_VFP_REGNUM): Define.
 993         (IS_VFP_REGNUM): Define.
 994         (FIRST_PSEUDO_REGISTER): Include VFP regs.
 995         (HARD_REGNO_NREGS): Handle VFP regs.
 996         (REG_ALLOC_ORDER): Add VFP regs.
 997         (enum reg_class): Add VFP_REGS.
 998         (REG_CLASS_NAMES): Ditto.
 999         (REG_CLASS_CONTENTS): Ditto.
1000         (CANNOT_CHANGE_MODE_CLASS) Handle VFP Regs.
1001         (REG_CLASS_FROM_LETTER): Add 'w'.
1002         (EXTRA_CONSTRAINT_ARM): Add 'U'.
1003         (EXTRA_MEMORY_CONSTRAINT): Define.
1004         (SECONDARY_OUTPUT_RELOAD_CLASS): Handle VFP regs.
1005         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
1006         (REGISTER_MOVE_COST): Ditto.
1007         (PREDICATE_CODES): Add arm_general_register_operand,
1008         arm_float_compare_operand and vfp_compare_operand.
1009         * arm.md (various): Rename as above.
1010         (divsf3): Enable when TARGET_VFP.
1011         (divdf3): Ditto.
1012         (movdfcc): Ditto.
1013         (sqrtsf2): Ditto.
1014         (sqrtdf2): Ditto.
1015         (arm_movdi): Disable when TARGET_VFP.
1016         (arm_movsi_insn): Ditto.
1017         (movsi): Only split with general regs.
1018         (cmpsf): Use arm_float_compare_operand.
1019         (push_fp_multi): Restrict to TARGET_FPA.
1020         (vfp.md): Include.
1021         * vfp.md: New file.
1022         * fpa.md (various): Rename as above.
1023         * doc/md.texi: Document ARM w and U constraints.
1024
1025         2004-01-15  Paul Brook  <paul@codesourcery.com>
1026
1027         * config.gcc: Add with_fpu.  Allow with-float=softfp.
1028         * config/arm/arm.c (arm_override_options): Rename *-s to *s.
1029         Break out of loop when we find a float-abi.  Fix typo.
1030         * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "fpu".
1031         Set -mfloat-abi=.
1032         * doc/install.texi: Document --with-fpu.
1033
1034         2003-01-14  Paul Brook  <paul@codesourcery.com>
1035
1036         * config.gcc (with_arch): Add armv6.
1037         * config/arm/arm.h: Rename TARGET_CPU_*_s to TARGET_CPU_*s.
1038         * config/arm/arm.c (arm_overrride_options): Ditto.
1039
1040         2004-01-08  Richard Earnshaw  <rearnsha@arm.com>
1041
1042         * arm.c (FL_ARCH3M): Renamed from FL_FAST_MULT.
1043         (FL_ARCH6): Renamed from FL_ARCH6J.
1044         (arm_arch3m): Renamed from arm_fast_multiply.
1045         (arm_arch6): Renamed from arm_arch6j.
1046         * arm.h: Update all uses of above.
1047         * arm-cores.def: Likewise.
1048         * arm.md: Likewise.
1049
1050         * arm.h (CPP_CPU_ARCH_SPEC): Emit __ARM_ARCH_6J__ define for armV6j,
1051         not arm6j.  Add entry for arch armv6.
1052
1053         2004-01-07  Richard Earnshaw  <rearnsha@arm.com>
1054
1055         * arm.c (arm_emit_extendsi): Delete.
1056         * arm-protos.h (arm_emit_extendsi): Delete.
1057         * arm.md (zero_extendhisi2): Also handle zero-extension of
1058         non-subregs.
1059         (zero_extendqisi2, extendhisi2, extendqisi2): Likewise.
1060         (thumb_zero_extendhisi2): Only match if not v6.
1061         (arm_zero_extendhisi2, thumb_zero_extendqisi2, arm_zero_extendqisi2)
1062         (thumb_extendhisi2, arm_extendhisi2, arm_extendqisi)
1063         (thumb_extendqisi2): Likewise.
1064         (thumb_zero_extendhisi2_v6, arm_zero_extendhisi2_v6): New patterns.
1065         (thumb_zero_extendqisi2_v6, arm_zero_extendqisi2_v6): New patterns.
1066         (thumb_extendhisi2_insn_v6, arm_extendhisi2_v6): New patterns.
1067         (thumb_extendqisi2_v6, arm_extendqisi_v6): New patterns.
1068         (arm_zero_extendhisi2_reg, arm_zero_extendqisi2_reg): Delete.
1069         (arm_extendhisi2_reg, arm_extendqisi2_reg): Delete.
1070         (arm_zero_extendhisi2addsi): Remove subreg.  Add attributes.
1071         (arm_zero_extendqisi2addsi, arm_extendhisi2addsi): Likewise.
1072         (arm_extendqisi2addsi): Likewise.
1073
1074         2003-12-31  Mark Mitchell  <mark@codesourcery.com>
1075
1076         Revert this change:
1077         * config/arm/arm.h (THUMB_LEGTITIMIZE_RELOAD_ADDRESS): Reload REG
1078         + REG addressing modes.
1079
1080         * config/arm/arm.h (THUMB_LEGTITIMIZE_RELOAD_ADDRESS): Reload REG
1081         + REG addressing modes.
1082
1083         2003-12-30  Mark Mitchell  <mark@codesourcery.com>
1084
1085         * config/arm/arm.h (THUMB_LEGITIMATE_CONSTANT_P): Accept
1086         CONSTANT_P_RTX.
1087
1088         2003-30-12  Paul Brook  <paul@codesourcery.com>
1089
1090         * longlong.h: protect arm inlines with !defined (__thumb__)
1091
1092         2003-30-12  Paul Brook  <paul@codesourcery.com>
1093
1094         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Always define __arm__.
1095
1096         2003-12-30  Nathan Sidwell  <nathan@codesourcery.com>
1097
1098         * builtins.c (expand_builtin_apply_args_1): Fix typo in previous
1099         change.
1100
1101         2003-12-29  Nathan Sidwell  <nathan@codesourcery.com>
1102
1103         * builtins.c (expand_builtin_apply_args_1): Add pretend args size
1104         to the virtual incoming args pointer for downward stacks.
1105
1106         2003-12-29  Paul Brook  <paul@codesourcery.com>
1107
1108         * config/arm/arm-cores.def: Add cost function.
1109         * config/arm/arm.c (arm_*_rtx_costs): New functions.
1110         (arm_rtx_costs): Remove
1111         (struct processors): Add rtx_costs field.
1112         (all_cores, all_architectures): Ditto.
1113         (arm_override_options): Set targetm.rtx_costs.
1114         (thumb_rtx_costs): New function.
1115         (arm_rtx_costs_1): Remove cases handled elsewhere.
1116         * config/arm/arm.h (processor_type): Add COSTS parameter.
1117
1118         2003-12-29  Nathan Sidwell  <nathan@codesourcery.com>
1119
1120         * config/arm/arm.md (generic_sched): arm926 has its own scheduler.
1121         (arm926ejs.md): Include it.
1122         * config/arm/arm926ejs.md: New pipeline description.
1123
1124         2003-12-24  Paul Brook  <paul@codesourcery.com>
1125
1126         * config/arm/arm.c (arm_arch6j): New variable.
1127         (arm_override_options): Set it.
1128         (arm_emit_extendsi): New function.
1129         * config/arm/arm-protos.h (arm_emit_extendsi): Add prototype.
1130         * config/arm/arm.h (arm_arch6j): Declare.
1131         * config/arm/arm.md: Add sign/zero extend insns.
1132
1133         2003-12-23  Paul Brook  <paul@codesourcery.com>
1134
1135         * config/arm/arm.c (all_architectures): Add armv6.
1136         * doc/invoke.texi: Document it.
1137
1138         2003-12-19  Paul Brook  <paul@codesourcery.com>
1139
1140         * config/arm/arm.md: Add load1 and load_byte "type" attrs.  Modify
1141         insn patterns to match.
1142         * config/arm/arm-generic.md: Ditto.
1143         * config/arm/cirrus.md: Ditto.
1144         * config/arm/fpa.md: Ditto.
1145         * config/amm/iwmmxt.md: Ditto.
1146         * config/arm/arm1026ejs.md: Ditto.
1147         * config/arm/arm1135jfs.md: Ditto.  Add insn_reservation and bypasses
1148         for 11_loadb.
1149
1150         2003-12-18  Nathan Sidwell  <nathan@codesourcery.com>
1151
1152         * config/arm/arm-protos.h (arm_no_early_alu_shift_value_dep): Declare.
1153         * config/arm/arm.c (arm_adjust_cost): Check shift cost for
1154         TYPE_ALU_SHIFT and TYPE_ALU_SHIFT_REG.
1155         (arm_no_early_store_addr_dep, arm_no_early_alu_shift_dep,
1156         arm_no_early_mul_dep): Correctly deal with conditional execution,
1157         parallels and single shift operations.
1158         (arm_no_early_alu_shift_value_dep): Define.
1159         * arm.md (attr type): Replace 'normal' with 'alu',
1160         'alu_shift' and 'alu_shift_reg'.
1161         (attr core_cycles): Adjust.
1162         (*addsi3_carryin_shift, andsi_not_shiftsi_si, *arm_shiftsi3,
1163         *shiftsi3_compare0, *notsi_shiftsi, *notsi_shiftsi_compare0,
1164         *not_shiftsi_compare0_scratch, *cmpsi_shiftsi, *cmpsi_shiftsi_swp,
1165         *cmpsi_neg_shiftsi, *arith_shiftsi, *arith_shiftsi_compare0,
1166         *arith_shiftsi_compare0_scratch, *sub_shiftsi,
1167         *sub_shiftsi_compare0, *sub_shiftsi_compare0_scratch,
1168         *if_shift_move, *if_move_shift, *if_shift_shift): Set type
1169         attribute appropriately.
1170         * config/arm/arm1026ejs.md (alu_op): Adjust.
1171         (alu_shift_op, alu_shift_reg_op): New.
1172         * config/arm/arm1136.md: Add better bypasses for early
1173         registers. Remove load[234] and store[234] bypasses.
1174         (11_alu_op): Adjust.
1175         (11_alu_shift_op, 11_alu_shift_reg_op): New.
1176
1177         2003-12-15  Nathan Sidwell  <nathan@codesourcery.com>
1178
1179         * config/arm/arm-protos.h (arm_no_early_store_addr_dep,
1180         arm_no_early_alu_shift_dep, arm_no_early_mul_dep): Declare.
1181         * config/arm/arm.c (arm_no_early_store_addr_dep,
1182         arm_no_early_alu_shift_dep, arm_no_early_mul_dep): Define.
1183         * config/arm/arm1026ejs.md: Add load-store bypass.
1184         * config/arm/arm1136jfs.md (11_alu_op): Take 2 cycles.
1185         Add bypasses between instructions.
1186
1187         2003-12-10  Paul Brook  <paul@codesourcery.com>
1188
1189         * config/arm/arm.c (arm_fpu_model): New variable.
1190         (arm_fload_abi): New variable.
1191         (target_fpe_name): Rename from target_fp_name.
1192         (target_fpu_name): New variable.
1193         (arm_is_cirrus): Remove.
1194         (fpu_desc): New struct.
1195         (all_fpus): Define.
1196         (pf_model_for_fpu): Define.
1197         (all_loat_abis): Define.
1198         (arm_override_options): Set fp arch flags based on -mfpu=
1199         and -float-abi=.
1200         (FIRST_FPA_REGNUM): Rename from FIRST_ARM_FP_REGNUM.
1201         (LAST_FPA_REGNUM): Rename from LAST_ARM_FP_REGNUM.
1202         (*): Use new TARGET_* flags.
1203         * config/arm/arm.h (TARGET_ANY_HARD_FLOAT): Remove.
1204         (TARGET_HARD_FLOAT): No longer implies TARGET_FPA.
1205         (TARGET_SOFT_FLOAT): Ditto.
1206         (TARGET_SOFT_FLOAT_ABI): New.
1207         (TARGET_MAVERICK): Rename from TARGET_CIRRUS.  No longer implies
1208         TARGET_HARD_FLOAT.
1209         (TARGET_VFP): No longer implies TARGET_HARD_FLOAT.
1210         (TARGET_OPTIONS): Add -mfpu=.
1211         (FIRST_FPA_REGNUM): Rename from FIRST_ARM_FP_REGNUM.
1212         (LAST_FPA_REGNUM): Rename from LAST_ARM_FP_REGNUM.
1213         (arm_pf_model): Define.
1214         (arm_float_abi_type): Define.
1215         (fputype): Add FPUTYPE_VFP.  Change SOFT_FPA->NONE
1216         * config/arm/arm.md: Use new TARGET_* flags.
1217         * config/arm/cirrus.md: Ditto.
1218         * config/arm/fpa.md: Ditto.
1219         * config/arm/elf.h (ASM_SPEC): Pass -mfloat-abi= and -mfpu=.
1220         * config/arm/semi.h (ASM_SPEC): Ditto.
1221         * config/arm/netbsd-elf.h (SUBTARGET_ASM_FLOAT_SPEC): Specify vfp.
1222         (FPUTYPE_DEFAULT): Set to VFP.
1223         * doc/invoke.texi: Document -mfpu= and -mfloat-abi=.
1224
1225         2003-11-22  Phil Edwards  <phil@codesourcery.com>
1226
1227         PR target/12476
1228         * config/arm/arm.c (arm_output_mi_thunk):  In Thumb mode, use
1229         'bx' instead of 'b' to avoid branch range restrictions.  Output
1230         the thunk immediately before the thunked-to function.
1231         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME):  Do not emit
1232         .thumb_func if a thunk is being generated.  Emit .code 16 along
1233         with .thumb_func if a thunk is not being generated.
1234
1235         2003-11-15  Nicolas Pitre <nico@cam.org>
1236
1237         * config/arm/arm.md (ashldi3, arm_ashldi3_1bit, ashrdi3,
1238         arm_ashrdi3_1bit, lshrdi3, arm_lshrdi3_1bit): New patterns.
1239         * config/arm/iwmmxt.md (ashrdi3_iwmmxt): Renamed from ashrdi3.
1240         (lshrdi3_iwmmxt): Renamed from lshrdi3.
1241         * config/arm/arm.c (IWMMXT_BUILTIN2): Renamed argument accordingly.
1242
1243         2003-11-12  Steve Woodford  <scw@wasabisystems.com>
1244             Ian Lance Taylor  <ian@wasabisystems.com>
1245
1246         * config/arm/lib1funcs.asm (ARM_DIV_BODY, ARM_MOD_BODY): Add new
1247         code for __ARM_ARCH__ >= 5 && ! defined (__OPTIMIZE_SIZE__).
1248
1249         2003-11-05  Phil Edwards  <phil@codesourcery.com>
1250
1251         * config/arm/arm.md (insn):  Add new V6 instruction names.
1252         (generic_sched):  New attr.
1253         * config/arm/arm-generic.md:  Use generic_sched here.
1254         * config/arm/arm1026ejs.md:  Do not model fetch/issue/decode
1255         stages of pipeline.  Adjust latency counts accordingly.
1256         * config/arm/arm1136jfs.md:  New file.
1257
1258         2003-10-28  Mark Mitchell  <mark@codesourcery.com>
1259
1260         * config/arm/arm.h (processor_type): New enumeration type.
1261         (CPP_ARCH_DEFAULT_SPEC): Set appropriately for ARM 926EJ-S,
1262         ARM1026EJ-S, ARM1136J-S, and ARM1136JF-S processor cores.
1263         (CPP_CPU_ARCH_SPEC): Likewise.
1264         * config/arm/arm.c (arm_tune): New variable.
1265         (all_cores): Use cores.def.
1266         (all_architectures): Add representative processor.
1267         (arm_override_options): Restructure way in which tuning
1268         information is deduced.
1269         * arm.md: Update "insn" and "type" attributes throughout.
1270         (insn): New attribute.
1271         (type): Compute "mult" from "insn" attribute.  Add load2,
1272         load3, load4 alternatives.
1273         (arm automaton): Move to arm-generic.md.
1274         * config/arm/arm-cores.def: New file.
1275         * config/arm/arm-generic.md: Likewise.
1276         * config/arm/arm1026ejs.md: Likewise.
1277
1278 2004-02-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
1279
1280         * doc/invoke.texi (SPARC options): Remove -mflat and
1281         all -mxxx (xxx:chip) options.
1282         * config/sparc/aout.h (DBX_REGISTER_NUMBER): Delete.
1283         * config/sparc/litecoff.h (DBX_REGISTER_NUMBER): Likewise.
1284         * config/sparc/netbsd-elf.h (DBX_REGISTER_NUMBER): Likewise.
1285         * config/sparc/sol2.h (DBX_REGISTER_NUMBER): Likewise.
1286         * config/sparc/sparc-protos.h: Delete sparc_flat_* prototypes.
1287         * config/sparc/sparc.c: Likewise.
1288         (sparc_output_function_prologue): Remove TARGET_FLAT handling.
1289         (sparc_nonflat_function_prologue): Rename into sparc_function_prologue.
1290         (sparc_output_function_epilogue): Remove TARGET_FLAT handling.
1291         (sparc_nonflat_function_epilogue): Rename into sparc_function_epilogue.
1292         (struct sparc_frame_info, current_frame_info, zero_frame_info): Delete.
1293         (sparc_flat_must_save_register_p): Likewise.
1294         (sparc_flat_compute_frame_size): Likewise.
1295         (sparc_flat_save_restore): Likewise.
1296         (sparc_flat_function_prologue): Likewise.
1297         (sparc_flat_function_epilogue): Likewise.
1298         (sparc_flat_epilogue_delay_slots): Likewise.
1299         (sparc_flat_eligible_for_epilogue_delay): Likewise.
1300         (sparc_function_ok_for_sibcall): Remove TARGET_FLAT handling.
1301         * config/sparc/sparc.h (MASK_FLAT, TARGET_FLAT): Delete.
1302         (TARGET_SWITCHES): Remove -mflat and all -mxxx (xxx:chip) options.
1303         (SPARC_INCOMING_INT_ARG_FIRST): Remove TARGET_FLAT handling.
1304         (CONDITIONAL_REGISTER_USAGE): Likewise.
1305         (FRAME_POINTER_REQUIRED): Likewise.
1306         (INITIAL_ELIMINATION_OFFSET): Likewise.
1307         (BASE_RETURN_VALUE_REG): Likewise.
1308         (BASE_OUTGOING_VALUE_REG): Likewise.
1309         (BASE_PASSING_ARG_REG): Likewise.
1310         (BASE_INCOMING_ARG_REG): Likewise.
1311         (INCOMING_REGNO): Likewise.
1312         (OUTGOING_REGNO): Likewise.
1313         (LOCAL_REGNO): Likewise.
1314         (DELAY_SLOTS_FOR_EPILOGUE): Likewise.
1315         (ELIGIBLE_FOR_EPILOGUE_DELAY): Likewise.
1316         (EPILOGUE_USES): Likewise.
1317         * config/sparc/sparc.md ("isa" attribute): Change "v6" into "v7".
1318         ("flat" attribute): Delete.
1319         (do_builtin_setjmp_setup): Remove TARGET_FLAT and "flat" attribute
1320         handling.
1321         (call followed by jump define_peephole's): Delete.
1322         (exception_receiver): Likewise.
1323         (builtin_setjmp_receiver): Likewise.
1324         * config/sparc/t-sparclite (MULTILIB_OPTIONS): Remove -mflat.
1325
1326 2004-02-03  Paolo Bonzini  <bonzini@gnu.org>
1327
1328         PR c/11658
1329         PR c/13994
1330         * Makefile.in (c-parse.o, c-convert.o, c-typeck.o): Depend
1331         on langhooks.h.
1332         * objc/Make-lang.in (objc-parse.o): Depend on langhooks.h.
1333         * c-parse.in, c-convert.c, c-typeck.c, objc/objc-act.c:
1334         Include langhooks.h.  Replace c_common_truthvalue_conversion
1335         with the truthvalue_conversion language hook throughout.
1336         (expr_no_commas): Call default_conversion before save_expr
1337         for the first term of the production 'x ? : y'.
1338         * c-common.c (c_common_truthvalue_conversion): Remove
1339         obsolete block.  Invoke recursively the hook instead
1340         of this function.
1341         * c-convert.c (convert): handle ERROR_MARK_NODE.
1342         * c-typeck.c (build_binary_op): handle ERROR_MARK_NODE
1343         returned by the truthvalue_conversion language hook.
1344         * c-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Use
1345         c_objc_common_truthvalue_conversion.
1346         * c-objc-common.c (c_objc_common_truthvalue_conversion):
1347         New function.
1348         * c-tree.h (c_objc_common_truthvalue_conversion): Declare it.
1349         * objc/objc-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Use
1350         c_objc_common_truthvalue_conversion.
1351
1352 2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>
1353
1354         * config/c4x/c4x.h (FUNCTION_VALUE): Use gen_rtx_REG instead
1355         of gen_rtx.
1356         (LIBCALL_VALUE): Likewise.
1357         * config/ip2k/ip2k.c (mdr_try_propagate_clr_sequence): Use
1358         gen_rtx_CC0 instead of gen_rtx.
1359         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use
1360         gen_rtx_fmt_e and gen_rtx_fmt_ee instead of gen_rtx.
1361         (m68hc11_expand_compare): Use gen_rtx_fmt_ee instead of
1362         gen_rtx.
1363         (m68hc11_emit_logical): Likewise.
1364
1365 2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>
1366
1367         * config/alpha/alpha.c, config/arm/arm.c, config/c4x/c4x.c,
1368         config/fr30/fr30.md, config/frv/frv.c, config/frv/frv.md,
1369         config/h8300/h8300.c, config/ia64/ia64.c, config/ip2k/ip2k.md,
1370         config/m32r/m32r.md, config/m68hc11/m68hc11.c,
1371         config/mips/mips.md, config/mmix/mmix.c,
1372         config/mn10300/mn10300.c, config/mn10300/mn10300.md,
1373         config/ns32k/ns32k.c, config/pa/pa.md, config/pdp11/pdp11.c,
1374         config/rs6000/altivec.md, config/s390/s390.c,
1375         config/s390/s390.h, config/s390/s390.md, config/sh/sh.c,
1376         config/sh/sh.h, config/sh/sh.md, config/stormy16/stormy16.c:
1377         Use const0_rtx instead of GEN_INT (0).  Do the same for other
1378         constants that are readily available.
1379
1380 2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>
1381
1382         * doloop.c, optabs.c, regmove.c, sched-deps.c,
1383         config/i386/i386.c, config/i386/i386.md: Use const0_rtx
1384         instead of GEN_INT (0).  Do the same for other constants that
1385         are readily available.
1386
1387 2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>
1388
1389         * combine.c (simplify_set): Use gen_rtx_fmt_e instead of
1390         gen_rtx.
1391         * emit-rtl.c (init_emit_once): Use gen_rtx_PC and gen_rtx_CC0
1392         instead of gen_rtx.
1393         * reload1.c (init_elim_table): Use gen_rtx_fmt_e instead of
1394         gen_rtx.
1395         * config/ns32k/ns32k.md (udivmodhi4): Use gen_rtx_IOR and
1396         gen_rtx_ASHIFT instead of gen_rtx.
1397         (udivmodqi4): Likewise.
1398
1399 2004-02-02  Richard Henderson  <rth@redhat.com>
1400
1401         PR target/13789
1402         * expr.c (store_expr): Use force_operand before emit_move_insn.
1403
1404 2004-02-02  Jeff Law  <law@redhat.com>
1405             Roger Sayle  <roger@eyesopen.com>
1406
1407         * tree.c (commutative_tree_code, associative_tree_code): New
1408         functions.
1409         (iterative_hash_expr): Use commutative_tree_code.
1410         * tree.h (commutative_tree_code, associative_tree_code): Declare.
1411         * fold-const.c (operand_equal_p): Use commutative_tree_code
1412         rather than inlining the commutativity check.
1413         (fold): Likewise.
1414
1415 2004-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1416
1417         * system.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Poison.
1418         * config/frv/frv-protos.h: Remove the prototype for
1419         frv_function_arg_keep_as_reference.
1420         * config/frv/frv.c (frv_function_arg_keep_as_reference):
1421         Remove.
1422         * config/frv/frv.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Likewise.
1423         * config/stormy16/stormy16.h: Remove the commented-out
1424         definition of FUNCTION_ARG_KEEP_AS_REFERENCE.
1425
1426 2004-02-03  Alan Modra  <amodra@bigpond.net.au>
1427
1428         PR target/13914
1429         * config/rs6000/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Use ap
1430         for retaddr_column.
1431
1432 2004-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1433
1434         * genemit.c (gen_exp): Generate gen_rtx_fmt_e* instead of
1435         gen_rtx.
1436
1437 2004-02-02  Eric Christopher  <echristo@redhat.com>
1438             Zack Weinberg  <zack@codesourcery.com>
1439
1440         * c-opts.c (c_common_handle_option): Add -finput-charset.
1441         * c.opt: Ditto.
1442         * cppcharset.c (one_iso88591_to_utf8): Remove.
1443         (convert_iso88591_utf8): Ditto.
1444         (conversion_tab): Remove 8859-1 converter.
1445         (_cpp_input_to_utf8): Remove.
1446         (_cpp_init_iconv_buffer): Ditto.
1447         (_cpp_close_iconv_buffer): Ditto.
1448         (_cpp_convert_input): New function.
1449         (_cpp_default_encoding): Ditto.
1450         * cpphash.h: Add/remove prototypes for above.
1451         * cppfiles.c (read_file_guts): Use _cpp_convert_input.
1452         * cppinit.c (cpp_create_reader): Use _cpp_default_encoding
1453         for narrow execution and input character sets.
1454         * cpplib.c (cpp_push_buffer): Delete uses of removed functions.
1455         * doc/cppopts.texi: Document -finput-charset.
1456
1457 2004-02-02  David Edelsohn  <edelsohn@gnu.org>
1458
1459         * rtlanal.c (refers_to_regno_p): Test regno, not inner_regno,
1460         against FIRST_PSEUDO_REGISTER.
1461
1462 2004-02-02  Eric Botcazou  <ebotcazou@libertysurf.fr>
1463
1464         * doc/invoke.texi (SPARC options): Further improve.
1465
1466 2004-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1467
1468         * config/arm/arm.md, config/c4x/c4x.md, config/cris/cris.md,
1469         config/h8300/h8300.c, config/ip2k/ip2k.md,
1470         config/iq2000/iq2000.c, config/mips/mips.c,
1471         config/rs6000/rs6000.c, config/rs6000/rs6000.md,
1472         config/sh/sh.c, config/sh/sh.md, config/stormy16/stormy16.c,
1473         config/v850/v850.md: Fix indentation.
1474
1475 2004-02-02  Eric Botcazou  <ebotcazou@libertysurf.fr>
1476
1477         * config/sparc/sparc.c (function_arg_slotno): Align TImode
1478         arguments on a 16-byte boundary in the parameter array if ARCH64.
1479         Split handling of TFmode.
1480
1481 2004-02-02  Paolo Bonzini  <bonzini@gnu.org>
1482
1483         * rtlanal.c (reg_overlap_mentioned_p) [!ENABLE_CHECKING]:
1484         Don't test CONSTANT_P (x).
1485         (reg_overlap_mentioned_p): Merge check for STRICT_LOWPART,
1486         ZERO_EXTRACT, SIGN_EXTRACT with the switch statement.
1487         Fix misindentation.
1488
1489 2004-02-02  Eric Botcazou  <ebotcazou@libertysurf.fr>
1490
1491         * doc/invoke.texi (SPARC options): Document that -mflat is deprecated.
1492
1493 2004-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1494
1495         * config/arc/arc.md, config/arm/arm.c, config/arm/arm.md,
1496         config/c4x/c4x.c, config/c4x/c4x.md, config/cris/cris.md,
1497         config/frv/frv.c, config/h8300/h8300.c, config/ip2k/ip2k.md,
1498         config/iq2000/iq2000.c, config/m32r/m32r.c,
1499         config/mcore/mcore.c, config/mips/mips.c, config/mmix/mmix.md,
1500         config/mn10300/mn10300.c, config/rs6000/rs6000.c,
1501         config/rs6000/rs6000.md, config/sh/sh.c, config/sh/sh.md,
1502         config/stormy16/stormy16.c, config/v850/v850.md,
1503         config/xtensa/xtensa.c: Replace gen_rtx with gen_rtx_fmt_e*.
1504
1505 2004-02-01  Kazu Hirata  <kazu@cs.umass.edu>
1506
1507         * config/mcore/mcore.c (block_move_sequence): Replace
1508         gen_rtx_CONST_INT with GEN_INT.
1509
1510 2004-02-02  Jan Hubicka  <jh@suse.cz>
1511
1512         * alias.c (record_set): Use hard_regno_nregs.
1513         * bt-load.c (find_btr_reference, note_btr_set): Likewise.
1514         * builtins.c (apply_args_size): Likewise.
1515         * caller-save.c (setup_save_areas, save_call_clobbered_regs,
1516         mark_set_regs, add_stored_regs, mark_referenced_regs,
1517         insert_restore, insert_save, insert_one_insn): Likewise.
1518         * cfgcleanup.c: Include regs.h
1519         (mark_effect, mentions_nonequal_regs): Likewise.
1520         * cfgrtl.c (mark_killed_regs): Likewise
1521         * combine.c (update_table_tick, record_value_for_reg,
1522         record_dead_and_set_regs, get_last_value_validate, use_crosses_set_p,
1523         reg_dead_at_p_1, reg_dead_at_p, mark_used_regs_combine, move_deaths,
1524         reg_bitfield_target_p, distribute_notes): Likewise.
1525         * cse.c (mention_regs, insert, invalidate, invalidate_for_call,
1526         exp_equiv_p, cse_insn): Likewise.
1527         * cselib.c (cselib_lookup): Likewise.
1528         (cselib_invalidate_regno, cselib_record_set): Likewise.
1529         * df.c (df_ref_record): Likewise.
1530         * dwarf2out.c (reg_loc_descriptor, multiple_reg_loc_descriptor):
1531         Likewise.
1532         * flow.c (mark_reg, insn_dead_p, mark_set_1, mark_used_reg,
1533         count_or_remove_death_notes_bb): Likewise.
1534         * function.c (aggregate_value_p, keep_stack_depressed): Likewise.
1535         * gloval.c (global_alloc, find_reg, mark_reg_store, mark_reg_conflicts,
1536         mark_reg_death, set_preference, reg_becomes_live, reg_dies): Likewise.
1537         * integrate.c (mark_stores): Likewise.
1538         * jump.c (delete_prior_computation): Likewise.
1539         * lcm.c (reg_dies, reg_becomes_live): Likewise.
1540         * local-alloc.c (combine_regs, find_free_reg, post_mark_life): Likewise.
1541         * loop.c (LOOP_REGNO_NREGS): Likewise.
1542         * postreload.c (reload_combine, reload_combine_note_store,
1543         reload_combine_note_use, reload_cse_move2add, move2add_note_store): Likewise.
1544         * ra-colorize.c (combine, color_usable_p, get_free_reg,
1545         calculate_dont_begin, calculate_dont_begin, colorize_one_web,
1546         try_recolor_web, insert_coalesced_conflicts, check_colors,
1547         break_precolored_alias): Likewise.
1548         * ra-debug.c: Include regs.h
1549         (ra_print_rtx_object): Likewise.
1550         * ra-rewrite (choose_spill_colors): Likewise.
1551         (spill_same_color_p, update_spill_colors, spill_is_free): Likewise.
1552         * ra.c (init_ra): Likewise.
1553         * recog.c (reg_fits_class_p, peep2_reg_dead_p,
1554         peep2_find_free_register): Likewise.
1555         * reg-stack.c (subst_stack_regs_pat, convert_regs_exit): Likewise.
1556         * regclass.c (hard_regno_nregs): New array.
1557         (init_reg_modes_once): Initialize it.
1558         (choose_hard_reg_mode): Use it.
1559         (record_reg_classes): Likewise.
1560         * regmove.c (mark_flags_life_zones): Likewise.
1561         * regrename.c (note_sets, clear_dead_regs, regrename_optimize,
1562         scan_rtx_reg, dump_def_use_chain, kill_value, set_value_regno,
1563         copy_value, maybe_mode_change, find_oldest_value_reg,
1564         copyprop_hardreg_forward_1):
1565         * regs.h (hard_regno_nregs): Declare.
1566         * realod.c (reload_inner_reg_of_subreg): Use it.
1567         (push_reload, combine_reloads, find_dummy_reload,
1568         hard_reg_set_here_p, operands_match_p, decompose, find_reloads,
1569         refers_to_regno_for_reload_p, find_equiv_reg, regno_clobbered_p,
1570         reload_adjust_reg_for_mode): Likewise.
1571         * reload1.c (compute_use_by_pseudos, count_pseudo,
1572         count_spilled_pseudo, find_reg, find_reload_regs, mark_home_live,
1573         spill_hard_reg, forget_old_reloads_1, mark_reload_reg_in_use,
1574         clear_reload_reg_in_use, reload_reg_free_for_value_p, free_for_value_p
1575         allocate_reload_reg, choose_reload_regs, emit_reload_insns,
1576         delete_output_reload): Likewise.
1577         * resource.c (update_live_status, mark_referenced_resources,
1578         mark_set_resources, mark_target_live_regs): Likewise.
1579         * rtlanal.c:  Include regs.h
1580         (refers_to_regno_p, reg_overlap_mentioned_p, dead_or_set_p,
1581         dead_or_set_regno_p, find_regno_note, find_reg_fusage,
1582         subreg_regno_offset, subreg_offset_representable_p,
1583         hoist_test_store): Likewise.
1584         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
1585         * sched-rgn.c (check_live_1, update_live_1): Likewise.
1586         * stmt.c: Include regs.h
1587         (decl_conflicts_with_clobbers_p): Likewise.
1588         * varasm.c (make_decl_rtl): Likewise.
1589         * Makefile.in (cfgcleanup.o, rtlanal.o, ra-debug.o): Add regs.h dependnecy.
1590
1591 2004-02-01  Kazu Hirata  <kazu@cs.umass.edu>
1592
1593         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
1594         config/arm/linux-gas.h, config/arm/netbsd-elf.h,
1595         config/arm/netbsd.h, config/arm/pe.c, config/avr/avr.c,
1596         config/avr/avr.h, config/avr/avr.md, config/c4x/c4x.h,
1597         config/cris/cris.h, config/fr30/fr30.h, config/frv/frv.c,
1598         config/frv/frv.h, config/ip2k/ip2k.c, config/iq2000/iq2000.c,
1599         config/iq2000/iq2000.h, config/m32r/m32r.c,
1600         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
1601         config/m68hc11/m68hc11.md, config/m68k/m68k.md,
1602         config/mcore/mcore.c, config/mcore/mcore.h,
1603         config/mcore/mcore.md, config/mips/mips.c,
1604         config/ns32k/ns32k.h, config/ns32k/ns32k.md,
1605         config/rs6000/rs6000.c, config/s390/s390.c,
1606         config/s390/s390.md, config/sparc/sparc.c, config/v850/v850.c,
1607         config/xtensa/xtensa.h, config/xtensa/xtensa.md: Replace
1608         "gen_rtx (FOO, " with "gen_rtx_FOO (".
1609
1610 2004-02-01  Kazu Hirata  <kazu@cs.umass.edu>
1611
1612         * config/h8300/h8300.md (two peephole2's): New.
1613
1614 2004-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
1615
1616         * config/sparc/sol2-bi.h: Handle TARGET_CPU_ultrasparc3.
1617         (CPP_CPU_SPEC): Handle -mcpu=ultrasparc3.
1618         (ASM_CPU_SPEC): Likewise
1619         * config/sparc/sol2.h: Handle TARGET_CPU_ultrasparc3.
1620         (ASM_CPU_SPEC): Remove -mcpu=v8plus.  Handle -mcpu=ultrasparc3.
1621
1622 2004-02-01  Roger Sayle  <roger@eyesopen.com>
1623
1624         * builtins.c (expand_builtin_pow): If flag_unsafe_math_optimizations
1625         isn't set, don't call expand_builtin_mathfn_2 to use the pow optab.
1626         (expand_builtin): Always call expand_builtin_pow.
1627
1628 2004-02-01  Roger Sayle  <roger@eyesopen.com>
1629
1630         * builtins.def (BUILT_IN_SIGNBIT, BUILT_IN_SIGNBITF,
1631         BUILT_IN_SIGNBITL): New GCC builtins.
1632         * builtins.c (expand_builtin_signbit): New function to RTL expand
1633         calls to signbit, signbitf and signbitl as inline intrinsics.
1634         (expand_builtin): Call expand_builtin_signbit for BUILT_IN_SIGNBIT*.
1635         (fold_builtin_signbit): New function to perform constant folding
1636         of signbit, signbitf and signbitl.
1637         (fold_builtin): Call fold_builtin_signbit for BUILT_IN_SIGNBIT*.
1638
1639         * doc/extend.texi: Document new signbit{,f,l} builtins.
1640
1641 2004-02-01  Richard Sandiford  <rsandifo@redhat.com>
1642
1643         * config/mips/mips.md (adddi3_internal_2): Remove superfluous %s.
1644
1645 2004-02-01  Chris Demetriou  <cgd@broadcom.com>
1646
1647         * config/mips/mips.h (PREDICATE_CODES): Remove entries for
1648         "mips_const_double_ok" and "simple_memory_operand", which were
1649         removed from the MIPS port with the mips-3_4-rewrite branch merge.
1650         * config/mips/mips.c (mips16_lay_out_constants): Update comment
1651         for removal of simple_memory_operand.
1652
1653 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1654
1655         * config/c4x/c4x.md: Use GEN_INT instead of
1656         gen_rtx (CONST_INT, ...).
1657
1658 2004-01-31  Richard Henderson  <rth@redhat.com>
1659
1660         * varasm.c (output_constant_pool): Don't zap the pool.
1661
1662 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1663
1664         * genrecog.c (decision_type): Add DT_const_int.
1665         (write_cond) [DT_const_int]: Print a comparison against small
1666         constant.
1667         (write_node): Simplify comparisons against small constants
1668         before printing tests.
1669
1670 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1671
1672         * config/m32r/m32r.c (m32r_load_pic_register): Use GEN_INT
1673         instead of gen_rtx_CONST_INT.
1674
1675 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1676
1677         * config/xtensa/xtensa.h (DYNAMIC_CHAIN_ADDRESS): Use GEN_INT
1678         instead of gen_rtx_CONST_INT.
1679
1680 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1681
1682         * target-def.h (TARGET_STRICT_ARGUMENT_NAMING): Define as
1683         hook_bool_CUMULATIVE_ARGS_false.
1684         * targhooks.c (default_strict_argument_naming): Rename to
1685         hook_bool_CUMULATIVE_ARGS_false.
1686         * targhooks.h: Update the prototype for
1687         default_strict_argument_naming.
1688
1689 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1690
1691         * config/sh/sh.c: Replace "gen_rtx (FOO, " with "gen_rtx_FOO (".
1692         * config/sh/sh.h: Likewise.
1693         * config/sh/sh.md: Likewise.
1694
1695 2004-01-31  Eric Botcazou  <ebotcazou@libertysurf.fr>
1696
1697         * doc/invoke.texi (SPARC options): Restructure and update.
1698
1699 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1700
1701         * system.h (PROMOTE_FUNCTION_ARGS, STRUCT_VALUE_INCOMING, and
1702         STRICT_ARGUMENT_NAMING): Poison.
1703         * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS): Define as
1704         hook_bool_tree_false.
1705         * targhooks.c (default_promote_function_args): Remove.
1706         (default_struct_value_rtx): Don't use STRUCT_VALUE_INCOMING.
1707         Don't check incoming.
1708         (default_strict_argument_naming): Don't use
1709         STRICT_ARGUMENT_NAMING.
1710         * targhooks.h: Remove the prototype for
1711         default_promote_function_args.
1712
1713 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1714
1715         * config/i386/i386-protos.h: Remove the prototype for
1716         ix86_setup_incoming_varargs.
1717         * config/i386/i386.c (TARGET_SETUP_INCOMING_VARARGS): New.
1718         (ix86_setup_incoming_varargs): Make it static.
1719         * config/i386/i386.h (SETUP_INCOMING_VARARGS): Remove.
1720
1721 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1722
1723         * alloc-pool.c: Fix comment typos.
1724         * builtin-types.def: Likewise.
1725         * builtins.def: Likewise.
1726         * c-pretty-print.c: Likewise.
1727         * df.h: Likewise.
1728         * reload1.c: Likewise.
1729
1730 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1731
1732         * doc/invoke.texi: Follow spelling conventions.
1733         * doc/tm.texi: Likewise.
1734
1735 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1736
1737         * doc/install.texi: Fix typos.
1738         * doc/invoke.texi: Likewise.
1739
1740 2004-01-31  Ulrich Weigand  <uweigand@de.ibm.com>
1741
1742         * config/s390/s390.c (s390_decompose_address): Do not treat virtual
1743         registers as pointers.
1744         * config/s390/s390.md ("*la_31" second peephole2): Fix incorrect mode.
1745
1746 2004-01-31  Paolo Bonzini  <bonzini@gnu.org>
1747
1748         * combine.c (cse_main): Set gen_lowpart to gen_lowpart_for_combine
1749         and restore it to gen_lowpart_general on exit.
1750         (gen_lowpart_for_combine): Adjust all callers to go through
1751         gen_lowpart.
1752         * cse.c (cse_main): Set gen_lowpart to gen_lowpart_if_possible
1753         and restore it to gen_lowpart_general on exit.
1754         (gen_lowpart_if_possible): Adjust all callers to go through
1755         gen_lowpart.
1756         * emit-rtl.c (gen_lowpart_general): New name of gen_lowpart.
1757         (gen_lowpart): Declare as pointer to function, initialized to
1758         gen_lowpart_general.
1759         * rtl.h (gen_lowpart): Declare as pointer to function.
1760
1761 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1762
1763         * bt-load.c: Replace "gen_rtx (FOO, " with "gen_rtx_FOO (".
1764         * calls.c: Likewise.
1765         * emit-rtl.c: Likewise.
1766         * function.c: Likewise.
1767         * reload1.c: Likewise.
1768         * config/i386/cygming.h: Likewise.
1769         * config/i386/i386.c: Likewise.
1770         * config/i386/winnt.c: Likewise.
1771
1772 2004-01-30  Dara Hazeghi  <dhazeghi@yahoo.com>
1773
1774         PR bootstrap/9249
1775         * doc/install.texi: document --enable-__cxa_atexit option.
1776         * configure.ac: Disable __cxa_atexit if not supported.
1777         * configure: Regenerate.
1778
1779 2003-01-30  Daniel Berlin  <dberlin@dberlin.org>
1780
1781         * ggc-zone.c (ggc_free): New function.
1782
1783 2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>
1784
1785         alloc-pool.c, c-lex.c, c-pragma.h, c-semantics.c, cfghooks.c,
1786         cfghooks.h, cfglayout.c, cfgloopmanip.c, debug.c, debug.h,
1787         flow.c, genextract.c, ggc-common.c, ggc-page.c, ggc.h,
1788         ifcvt.c, jump.c, loop-unswitch.c, timevar.c, timevar.def,
1789         tree-optimize.c, vmsdbgout.c, config/fp-bit.c,
1790         config/alpha/alpha.c, config/alpha/alpha.h,
1791         config/alpha/alpha.md, config/alpha/unicosmk.h,
1792         config/alpha/vms.h, config/arm/linux-elf.h, config/avr/avr.c,
1793         config/c4x/c4x-protos.h, config/c4x/c4x.md,
1794         config/d30v/d30v.h, config/frv/frv.md, config/frv/frvbegin.c,
1795         config/frv/frvend.c, config/i386/cygming.h,
1796         config/i386/djgpp.h, config/i386/emmintrin.h,
1797         config/i386/gthr-win32.c, config/i386/i386-interix.h,
1798         config/i386/i386-protos.h, config/i386/openbsd.h,
1799         config/i386/winnt.c, config/i386/xm-mingw32.h,
1800         config/i386/xmmintrin.h, config/ia64/ia64.md,
1801         config/iq2000/iq2000.md, config/m32r/m32r.md,
1802         config/m68k/m68k.md, config/mcore/mcore-elf.h,
1803         config/mcore/mcore.md, config/mips/elf.h, config/mips/elf64.h,
1804         config/mips/iris5gas.h, config/mips/iris6.h,
1805         config/mips/iris6gas.h, config/mips/linux.h,
1806         config/mips/mips.md, config/mips/netbsd.h,
1807         config/mips/openbsd.h, config/mips/windiss.h,
1808         config/pa/fptr.c, config/rs6000/aix.h,
1809         config/rs6000/altivec.h, config/rs6000/darwin.h,
1810         config/rs6000/xcoff.h, config/s390/s390-protos.h,
1811         config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
1812         config/sh/netbsd-elf.h, config/sh/sh.h, config/sh/vxworks.h,
1813         config/sparc/sol2.h: Update copyright.
1814
1815 2004-01-30  Kelley Cook  <kcook@gcc.gnu.org>
1816
1817         * Makefile.in (abs_docdir, abs_srcdir): Define.
1818         (doc/%.dvi, doc/gccinstall.dvi): Use $(abs_docdir).
1819
1820 2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>
1821
1822         * genconfig.c (main): Have CC0_P check its operand even on a
1823         target without cc0.
1824
1825 2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>
1826
1827         * config/alpha/alpha.c: Remove mentions of deprecates macros
1828         in comments, remove some target-independent comments about target
1829         macros, and/or add minimal function comments for target hook
1830         implementations.
1831         * config/avr/avr.c: Likewise.
1832         * config/ia64/ia64.h: Likewise.
1833         * config/ip2k/ip2k.c: Likewise.
1834         * config/iq2000/iq2000.c: Likewise.
1835         * config/m32r/m32r.h: Likewise.
1836         * config/m68hc11/m68hc11.c: Likewise.
1837         * config/mcore/mcore.c: Likewise.
1838         * config/mmix/mmix.c: Likewise.
1839         * config/mn10300/mn10300.c: Likewise.
1840         * config/pa/pa.c: Likewise.
1841         * config/pdp11/pdp11.c: Likewise.
1842         * config/rs6000/rs6000.h: Likewise.
1843         * config/sh/sh.c: Likewise.
1844         * config/sh/sh.h: Likewise.
1845         * config/sparc/sparc.c: Likewise.
1846         * config/sparc/sparc.h: Likewise.
1847         * config/stormy16/stormy16.c: Likewise.
1848         * config/xtensa/xtensa.c: Likewise.
1849
1850 2004-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
1851
1852         PR optimization/12147
1853         * reload1.c (reload_reg_free_p): RELOAD_OTHER conflicts with
1854         RELOAD_FOR_OPADDR_ADDR.
1855         (reload_reg_reaches_end_p): RELOAD_FOR_OTHER_ADDRESS register
1856         might be reused as RELOAD_FOR_OPADDR_ADDR register.
1857
1858 2004-01-30  Jan Hubicka  <jh@suse.cz>
1859
1860         * reload.c (get_secondary_mem): Fix updating of
1861         secondary_memlocs_elim_used.
1862
1863 2004-01-30  Richard Henderson  <rth@redhat.com>
1864
1865         * varasm.c (struct rtx_const, struct pool_constant): Remove.
1866         (MAX_RTX_HASH_TABLE): Remove.
1867         (const_rtx_hash_table, const_rtx_sym_hash_table): Remove.
1868         (first_pool, last_pool, pool_offset): Remove.
1869         (struct rtx_constant_pool): Split out from ...
1870         (struct varasm_status): ... here.  Reference one via pointer.
1871         (struct constant_descriptor_rtx): Merge struct pool_constant.
1872         (SYMHASH): Remove.
1873         (decode_rtx_const): Remove.
1874         (const_hash_rtx, compare_constant_rtx): Remove.
1875         (record_constant_rtx): Remove.
1876         (const_desc_rtx_hash, const_desc_rtx_eq): New.
1877         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): New.
1878         (const_rtx_hash_1, const_rtx_hash): New.
1879         (init_varasm_status): Allocate a rtx_constant_pool, and its hashes.
1880         (simplify_subtraction): Use simplify_rtx.
1881         (force_const_mem): Rewrite to use new data structures.
1882         (find_pool_constant): Likewise.
1883         (get_pool_constant, get_pool_constant_mark,
1884         get_pool_constant_for_function, get_pool_mode,
1885         get_pool_mode_for_function, get_pool_offset, get_pool_size): Likewise.
1886         (output_constant_pool_2): Split out from output_constant_pool.
1887         (output_constant_pool_1): Likewise.  Use new pool datastructures.
1888         (output_constant_pool): Zap entire pool datastructure.
1889         (mark_constant): Use new pool datastructures.
1890         (mark_constants): Use for_each_rtx.
1891         (mark_constant_pool): Use new pool datastructures.
1892
1893 2004-01-30  Fariborz Jahanian <fjahanian@apple.com>
1894
1895         * config/rs6000/rs6000.c (rs6000_emit_move): Remove #if 0.
1896         Copy operands[1] to pseudo for simplify_gen_subreg.
1897
1898 2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>
1899
1900         * gcse.c (bypass_block): Fix a typo in the previous check-in
1901         to the file.
1902
1903 2004-01-30  Andrew Pinski <pinskia@physics.uc.edu>
1904
1905         * toplev.c: Include alloc-pool.h.
1906         * Makefile.in (toplev.c): Update dependencies.
1907
1908 2004-01-30  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1909
1910         * combine.c (simplify_shift_const, case XOR): Be careful when
1911         commuting XOR with ASHIFTRT.
1912
1913 2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>
1914             Eric Botcazou  <ebotcazou@libertysurf.fr>
1915
1916         * config/sparc/sparc-protos.h: Remove the prototype for
1917         sparc_builtin_saveregs.
1918         * config/sparc/sparc.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
1919         (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
1920         (TARGET_PROMOTE_PROTOTYPES): Likewise.
1921         (TARGET_STRUCT_VALUE_RTX): Likewise.
1922         (TARGET_RETURN_IN_MEMORY): Likewise.
1923         (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
1924         (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
1925         (sparc_builtin_saveregs): Make it static.
1926         (sparc_promote_prototypes): New.
1927         (sparc_struct_value_rtx): Likewise.
1928         (sparc_return_in_memory): Likewise.
1929         * config/sparc/sparc.h: (PROMOTE_FUNCTION_ARGS): Remove.
1930         (PROMOTE_FUNCTION_RETURN): Likewise.
1931         (RETURN_IN_MEMORY): Likewise.
1932         (STRUCT_VALUE): Likewise.
1933         (STRUCT_VALUE_INCOMING): Likewise.
1934         (EXPAND_BUILTIN_SAVEREGS): Likewise.
1935         (STRICT_ARGUMENT_NAMING): Likewise.
1936         (PROMOTE_PROTOTYPES): Likewise.
1937
1938         * config/sparc/sparc.h (PROMOTE_MODE): Use word_mode.
1939
1940 2004-01-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
1941
1942         PR c/12818
1943         * varasm.c (const_hash_1) <STRING_CST>: Use the
1944         address to compute the hash value if flag_writable_strings.
1945         (compare_constant) <STRING_CST>: Compare the addresses
1946         if flag_writable_strings.
1947         (build_constant_desc): Do not copy the expression for a
1948         STRING_CST if flag_writable_strings.
1949
1950 2004-01-30  Jan Hubicka  <jh@suse.cz>
1951
1952         * alloc-pool.c: Include hashtab.h
1953         (alloc_pool_descriptor): New structure
1954         (alloc_pool_hash): New global variable.
1955         (hash_descriptor, eq_descriptor, alloc_pool_descriptor): New.
1956         (create_alloc_pool): Update statistics.
1957         (free_alloc_pool): Likewise.
1958         (pool_alloc): Likewise.
1959         (output_info): New structure
1960         (print_statistics, dump_alloc_pool_statistics): New function.
1961         * alloc-pool.h (alloc_pool_def): Turn name to be constant.
1962         (dump_alloc_pool_statistics): Declare.
1963         * toplev.c (finalize):  Dump statistics.
1964
1965         * reload.c (secondary_memlocs_elim_used): New static variable.
1966         (get_secondary_mem): Update it.
1967         (find_reloads): Use it.
1968
1969 2004-01-30  Steven Bosscher <s.bosscher@student.tudelft.nl>
1970
1971         * toplev.c: Fix broken checkin of 2003-12-30, again.
1972
1973 2004-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
1974
1975         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1976         s390*-*-* targets by specifying a 'nop' insn.
1977         * configure: Regenerate.
1978
1979 2004-01-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
1980
1981         PR target/11475
1982         * config/sparc/sparc.md (movhi_lo_sum): Tighten predicates.
1983
1984 2004-01-29  Jakub Jelinek  <jakub@redhat.com>
1985
1986         * emit-rtl.c (change_address): Use XEXP (memref, 0) instead
1987         of addr when creating MEM copy.
1988
1989 2004-01-29  Devang Patel  <dpatel@apple.com>
1990
1991         * dwarf2out.c (gen_field_die): Do not equate decl number to die.
1992
1993 2004-01-28  Ian Lance Taylor  <ian@wasabisystems.com>
1994
1995         PR inline-asm/6162
1996         * reload.c (find_reloads): Only support one pair of commutative
1997         operands.
1998
1999 2004-01-29  Roger Sayle  <roger@eyesopen.com>
2000
2001         PR java/13824
2002         * tree.c (unsafe_for_reeval): Handle EXIT_BLOCK_EXPR nodes specially
2003         as their EXIT_BLOCK_LABELED_BLOCK operands can lead to unbounded
2004         recursion.
2005
2006 2004-01-29  Kazu Hirata  <kazu@cs.umass.edu>
2007
2008         * config/frv/frv.c: Don't mention deprecated macros in
2009         comments.  Remove some target-independent comments about
2010         target macros.
2011         * config/frv/frv.h: Likewise.
2012
2013 2004-01-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2014
2015         * cfghooks.c (split_block): Set probability and count of the
2016         new edge.
2017
2018 2005-01-29  Josef Zlomek  <zlomekj@suse.cz>
2019
2020         * dwarf2out.c (struct die_struct): Added field decl_id.
2021         (decl_die_table): Changed to hash table.
2022         (decl_die_table_allocated): Deleted.
2023         (decl_die_table_in_use): Deleted.
2024         (DECL_DIE_TABLE_INCREMENT): Deleted.
2025         (decl_die_table_hash): New function.
2026         (decl_die_table_eq): New function.
2027         (lookup_decl_die): Lookup in a hash table.
2028         (equate_decl_number_to_die): Insert into a hash table.
2029         (dwarf2out_init): Init hash table decl_die_table.
2030
2031 2004-01-29  Jakub Jelinek  <jakub@redhat.com>
2032
2033         PR optimization/13424
2034         * expr.c (store_constructor): Revert 2003-12-03 change.
2035
2036         * emit-rtl.c (change_address): Check also if MEM_ATTRS is set as
2037         expected before returning early.  Avoid sharing RTL if they
2038         need to be changed.
2039
2040         * config/i386/i386.c (ix86_expand_movstr): Rework rep_mov and strmov
2041         handling so that memory attributes are preserved.  Don't call
2042         ix86_set_move_mem_attrs.
2043         (ix86_set_move_mem_attrs_1, ix86_set_move_mem_attrs): Removed.
2044         (ix86_expand_clrstr): Rename src argument to
2045         dst.  Rework rep_stos and strset handling so that memory attributes
2046         are preserved.
2047         (ix86_expand_strlen): Pass src argument to
2048         ix86_expand_strlensi_unroll_1.  Rework strlenqi_1 handling so that
2049         memory attributes are preserved.
2050         (ix86_expand_strlensi_unroll_1): Add src argument.  Use
2051         change_address instead of gen_rtx_MEM.
2052         * config/i386/i386.md (strmov, strmov_singleop, rep_mov): New
2053         expanders.
2054         (strmovdi_rex64, strmovsi, strmovsi_rex64, strmovhi, strmovhi_rex64,
2055         strmovqi, strmovqi_rex64): Remove.
2056         (rep_mov*, strmov*): Prefix insn names with *.
2057         (strset, strset_singleop, rep_stos): New expanders.
2058         (strsetdi_rex64, strsetsi, strsetsi_rex64, strsethi, strsethi_rex64,
2059         strsetqi, strsetqi_rex64): Remove.
2060         (rep_stos*, strset*): Prefix insn names with *.
2061         (rep_stosqi_rex64): Likewise.  Fix mode of dirflag reg from DImode
2062         to SImode.
2063         (cmpstrsi): Rework cmpstrqi_1 handling so that memory attributes
2064         are preserved.
2065         (cmpstrqi_nz_1, cmpstrqi_nz_rex_1, cmpstrqi_1, cmpstrqi_rex_1):
2066         Prefix insn names with *.
2067         (cmpstrqi_nz_1, cmpstrqi_1): New expanders.
2068         (strlenqi_1, strlenqi_rex_1): Prefix insn names with *.
2069         (strlenqi_1): New expander.
2070         * config/i386/i386.h (ix86_set_move_mem_attrs): Remove prototype.
2071
2072 2004-01-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2073
2074         * Makefile.in (cfghooks.o): Add TIMEVAR_H and toplev.h dependency.
2075         * basic-block.h (tidy_fallthru_edge, tidy_fallthru_edges, dump_bb,
2076         verify_flow_info): Declaration removed.
2077         * cfg.c (verify_flow_info, dump_bb): Moved to cfghooks.c.
2078         (debug_bb, debug_bb_n): Add argument to dump_bb call.
2079         * cfgcleanup.c (try_simplify_condjump, try_crossjump_to_edge,
2080         try_optimize_cfg, delete_unreachable_blocks): Use delete_basic_block
2081         instead of delete_block.
2082         * cfghooks.c: Include timevar.h and toplev.h.
2083         (cfg_hooks): Define here.
2084         (verify_flow_info, dump_bb): Moved from cfg.c.
2085         (redirect_edge_and_branch, redirect_edge_and_branch_force,
2086         split_block, split_block_after_labels, move_block_after,
2087         delete_basic_block, split_edge, create_basic_block,
2088         create_empty_bb, can_merge_blocks_p, merge_blocks,
2089         make_forwarder_block, tidy_fallthru_edge, tidy_fallthru_edges):
2090         New functions.
2091         * cfghooks.h (struct cfg_hooks): Added fields name,
2092         make_forwarder_block, tidy_fallthru_edge and
2093         move_block_after. Changed type of verify_flow_info, dump_bb,
2094         split_block fields. Renamed cfgh_split_edge and delete_block
2095         fields.
2096         (redirect_edge_and_branch, redirect_edge_and_branch_force,
2097         split_block, delete_block, split_edge, create_basic_block,
2098         can_merge_blocks_p, merge_blocks): Macros removed.
2099         (cfg_hooks): Do not export.
2100         (verify_flow_info, dump_bb, redirect_edge_and_branch,
2101         redirect_edge_and_branch_force, split_block, split_block_after_labels,
2102         move_block_after, delete_basic_block, split_edge, create_basic_block,
2103         create_empty_bb, can_merge_blocks_p, merge_blocks,
2104         make_forwarder_block, tidy_fallthru_edge, tidy_fallthru_edges):
2105         Declare.
2106         (cfg_layout_rtl_cfg_hooks): Declare.
2107         * cfgloop.c (update_latch_info, mfb_keep_just, mfb_keep_nonlatch):
2108         New functions.
2109         (canonicalize_loop_headers): Use new semantics of make_forwarder_block.
2110         (redirect_edge_with_latch_update): Removed.
2111         (make_forwarder_block): Moved to cfghooks.c, semantics changed.
2112         * cfgloopmanip.c (remove_bbs): Do not update dominators here.
2113         * cfgrtl.c (cfg_layout_split_block, rtl_split_block, rtl_dump_bb,
2114         rtl_delete_block, rtl_split_block, rtl_merge_blocks,
2115         tidy_fallthru_edge, rtl_split_edge, cfg_layout_delete_block,
2116         cfg_layout_merge_blocks, cfg_layout_split_edge): Partly moved to
2117         cfghooks.c.
2118         (rtl_create_basic_block): Coding style fix.
2119         (rtl_tidy_fallthru_edge, rtl_move_block_after,
2120         rtl_make_forwarder_block): New functions.
2121         (update_cfg_after_block_merging): Removed.
2122         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hooks): Fill in new entries.
2123         * flow.c (verify_wide_reg, verify_local_live_at_start): Add argument
2124         to dump_bb.
2125         * ifcvt.c (merge_if_block, find_cond_trap, find_if_case_1,
2126         find_if_case_2): Don't update dominators.
2127         * timevar.def (TV_CFG_VERIFY): New.
2128         * loop-unswitch.c (unswitch_loop): Don't call add_to_dominance_info.
2129         * cfglayout.c (copy_bbs): Don't call add_to_dominance_info.
2130         * cfgloopmanip.c (split_loop_bb): Don't update dominators.
2131         (remove_bbs): Don't call remove_bbs.
2132         (create_preheader): Use make_forwarder_block.
2133         (mfb_keep_just, mfb_update_loops): New static functions.
2134
2135 2004-01-29  Kazu Hirata  <kazu@cs.umass.edu>
2136
2137         * config/avr/avr.h: Remove target-independent comments about
2138         target macros.
2139
2140 2004-01-28  Daniel Berlin  <dberlin@dberlin.org>
2141
2142         * timevar.c (timevar_print): Mention when checking is enabled.
2143
2144 2004-01-28  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
2145
2146         * c-lex.c (c_lex): Rename to...
2147         (c_lex_with_flags): Add new parameter to get CPP flags.
2148         (c_lex): Thunk to c_lex_with_flags while keeping the old interface.
2149         * c-pragma.h (c_lex_with_flags): Declare.
2150
2151 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2152
2153         * config/mcore/mcore.c (mcore_external_libcall): Add a
2154         comment.
2155         (mcore_return_in_memory): Likewise.
2156
2157 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2158
2159         * config/mcore/mcore-protos.h: Remove the prototype for
2160         mcore_setup_incoming_varargs.
2161         * config/mcore/mcore.c (TARGET_ASM_EXTERNAL_LIBCALL): New.
2162         (TARGET_PROMOTE_FUNCTION_ARGS): Likewise.
2163         (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
2164         (TARGET_PROMOTE_PROTOTYPES): Likewise.
2165         (TARGET_STRUCT_VALUE_RTX): Likewise.
2166         (TARGET_RETURN_IN_MEMORY): Likewise.
2167         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
2168         (mcore_setup_incoming_varargs): Make it static.  Receive the
2169         first argument by reference.  Add argument second_time.
2170         (mcore_external_libcall): New.
2171         (mcore_return_in_memory): Likewise.
2172         * config/mcore/mcore.h (PROMOTE_FUNCTION_ARGS): New.
2173         (PROMOTE_FUNCTION_RETURN): Likewise.
2174         (STRUCT_VALUE): Likewise.
2175         (RETURN_IN_MEMORY): Likewise.
2176         (SETUP_INCOMING_VARARGS): Likewise.
2177         (PROMOTE_PROTOTYPES): Likewise.
2178         (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
2179
2180 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2181
2182         * config/m32r/m32r-protos.h: Remove the prototype for
2183         m32r_setup_incoming_varargs.
2184         * config/m32r/m32r.c (TARGET_PROMOTE_PROTOTYPES): New.
2185         (TARGET_STRUCT_VALUE_RTX): Likewise.
2186         (TARGET_RETURN_IN_MEMORY): Likewise.
2187         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
2188         (m32r_return_in_memory): New.
2189         (m32r_setup_incoming_varargs): Make it static.
2190         * config/m32r/m32r.h: Remove #undef of
2191         ASM_OUTPUT_EXTERNAL_LIBCALL.  Remove the commented-out
2192         definitions of PROMOTE_FUNCTION_ARGS and
2193         PROMOTE_FUNCTION_RETURN.
2194         (PROMOTE_PROTOTYPES): Remove.
2195         (RETURN_IN_MEMORY): Likewise.
2196         (STRUCT_VALUE): Likewise.
2197
2198 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2199
2200         * config/m68k/m68k.c (TARGET_PROMOTE_PROTOTYPES): New.
2201         (TARGET_STRUCT_VALUE_RTX): Likewise.
2202         (m68k_struct_value_rtx): Likewise.
2203         * config/m68k/m68k.h (STRUCT_VALUE_REGNUM): Rename to
2204         STRUCT_VALUE_REGNUM.
2205         (PROMOTE_PROTOTYPES): Remove.
2206         * config/m68k/m68kelf.h (STRUCT_VALUE_REGNUM): Rename to
2207         STRUCT_VALUE_REGNUM.
2208         * config/m68k/m68kv4.h (STRUCT_VALUE_REGNUM): Likewise.
2209         * config/m68k/netbsd-elf.h (STRUCT_VALUE_REGNUM): Likewise.
2210
2211 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2212
2213         * config/stormy16/stormy16.c
2214         (TARGET_BUILD_BUILTIN_VA_LIST_TYPE): Rename to
2215         TARGET_BUILD_BUILTIN_VA_LIST.
2216
2217 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2218
2219         * config/v850/v850.c (TARGET_PROMOTE_PROTOTYPES): New.
2220         (TARGET_STRUCT_VALUE_RTX): Likewise.
2221         (TARGET_RETURN_IN_MEMORY): Likewise.
2222         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
2223         (v850_return_in_memory): Likewise.
2224         (v850_setup_incoming_varargs): Likewise.
2225         * config/v850/v850.h (PROMOTE_PROTOTYPES): Remove.
2226         (SETUP_INCOMING_VARARGS): Likewise.
2227         (RETURN_IN_MEMORY): Likewise.
2228         (STRUCT_VALUE): Likewise.
2229
2230 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2231
2232         * config/fr30/fr30.c (TARGET_PROMOTE_PROTOTYPES): New.
2233         (fr30_setup_incoming_varargs): Don't use
2234         STRICT_ARGUMENT_NAMING.
2235         * config/fr30/fr30.h (PROMOTE_PROTOTYPES): Remove.
2236         (STRICT_ARGUMENT_NAMING): Likewise.
2237
2238 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2239
2240         * config/frv/frv-protos.h: Remove the prototype for
2241         frv_expand_builtin_saveregs.
2242         * config/frv/frv.c (TARGET_STRUCT_VALUE_RTX): Likewise.
2243         (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
2244         (frv_stack_info): Use FRV_STRUCT_VALUE_REGNUM instead of
2245         STRUCT_VALUE_REGNUM.
2246         (frv_expand_builtin_saveregs): Make it static.
2247         (frv_struct_value_rtx): New.
2248         * config/frv/frv.h (EXPAND_BUILTIN_SAVEREGS): Remove.
2249
2250 2004-01-29  Jan Hubicka  <jh@suse.cz>
2251
2252         PR c++/12850
2253         * cgraph.c (cgraph_remove_node): Clear out saved/insns/arguments and
2254         initial pointers.
2255         * cgraphunit.c (cgraph_finalize_function): Clear out DECL_SAVED_INSNS
2256         for functions that will be only inlined.
2257         (cgraph_mark_function_to_output): Likewise.
2258         (cgraph_expand_function): Sanity check that DECL_DEFER_OUTPUT is clear;
2259         do not clear function body.
2260         * tree-optimize.c (clear_decl_rtl): Use decl_function_context.
2261         (tree_rest_of_compilation): Reorganize the logic releasing function
2262         body to use callgraph datastructure.
2263
2264 2004-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2265
2266         * pa.md: Change predicate of a peephole2 pattern from reg_or_0_operand
2267         to register_operand.
2268
2269 2004-01-28  Zack Weinberg  <zack@codesourcery.com>
2270
2271         * config/ia64/ia64.md (fetchadd_acq_si, fetchadd_acq_di)
2272         (cmpxchg_acq_si, cmpxchg_acq_di): Exchange match_dup and
2273         match_operand expressions so that all match_dups appear
2274         lexically after their corresponding match_operands.
2275
2276 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2277
2278         * config/h8300/h8300.c (WORD_REG_USED): Use
2279         HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM.
2280         (compute_saved_regs): Likewise.
2281         (h8300_expand_prologue): Likewise.  Allocate locals after
2282         saving registers.
2283         (h8300_expand_epilogue): Use HARD_FRAME_POINTER_REGNUM instead
2284         of FRAME_POINTER_REGNUM.  Deallocate locals before saving
2285         registers.
2286         (h8300_initial_elimination_offset): Adjust for the new frame
2287         layout, which swaps flips the order of locals and saved
2288         registers.
2289         * config/h8300/h8300.h (FIRST_PSEUDO_REGISTER): Change to 12.
2290         (HARD_FRAME_POINTER_REGNUM): New.
2291         (ELIMINABLE_REGS): Add an elimination rule from
2292         FRAME_POINTER_REGNUM to HARD_FRAME_POINTER_REGNUM.
2293         (REGISTER_NAMES): Add fp.
2294         * config/h8300/h8300.md (FP_REG): Change to 11.
2295         (HFP_REG): New.
2296
2297 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2298
2299         * genrecog.c (write_node): Remove a useless local variable.
2300
2301 2004-01-28  Ian Lance Taylor  <ian@wasabisystems.com>
2302
2303         * Makefile.in (options.c options.h): Use stamp file s-options to
2304         avoid unnecessary rebuilds.
2305         (options.o): New target listing dependencies.
2306         (gtyp-gen.h): Use stamp file s-gtyp-gen.
2307         (STAGESTUFF): Add s-gtyp-gen.
2308
2309 2004-01-28  Richard Henderson  <rth@redhat.com>
2310
2311         * ggc.h (ggc_free): Declare.
2312         * ggc-common.c (ggc_realloc): Use it.
2313         * ggc-page.c: Remove lots of inline markers.
2314         (globals): Add free_object_list.
2315         (ggc_alloc): Tidy.
2316         (ggc_free, validate_free_objects): New.
2317         (poison_pages): Provide default.
2318         (ggc_collect): Call validate_free_objects; emit markers to
2319         the debug file.
2320
2321 2004-01-28  Zack Weinberg  <zack@codesourcery.com>
2322             Jim Wilson  <wilson@specifixinc.com>
2323
2324         * config/ia64/ia64.c (ia64_split_tmode, ia64_split_tmode_move):
2325         Rewrite to use POST_INC/POST_DEC/POST_MODIFY instead of a
2326         scratch pointer.
2327         (ia64_secondary_reload_class): Delete case GR_REGS.
2328         * config/ia64/ia64.md (movti, *movti_internal, movtf, *movtf_internal):
2329         Do not allocate a scratch register.
2330         (reload_inti, reload_outti, reload_intf, reload_outtf): Delete.
2331
2332 2004-01-28  Jan Hubicka  <jh@suse.cz>
2333
2334         * gcse.c (bypass_block): Prevent edges to be unified when we are
2335         about to emit compenstation code.
2336
2337 2004-01-28  Nick Clifton  <nickc@redhat.com>
2338
2339         * config/arm/arm.c (arm_expand_builtin): Force second argument of
2340         the setcwx insn into a register.
2341
2342 2004-01-28  Richard Sandiford  <rsandifo@redhat.com>
2343
2344         * config/fp-bit.c (pack_d): When using paired doubles to implement
2345         a long double, round the high part separately.
2346         (unpack_d): Fix the case in which the high part is a power of two
2347         and the low part is a nonzero value of the opposite sign.
2348
2349 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2350
2351         * config/c4x/c4x.c (TARGET_ASM_EXTERNAL_LIBCALL): New.
2352         (TARGET_STRUCT_VALUE_RTX): Likewise.
2353         (c4x_external_libcall): Likewise.
2354         (c4x_struct_value_rtx): Likewise.
2355         * config/c4x/c4x.h: Remove.
2356         (STRUCT_VALUE_REGNUM): Likewise.
2357         (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
2358
2359 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2360
2361         * config/i386/i386.c (TARGET_PROMOTE_PROTOTYPES): New.
2362         (TARGET_STRUCT_VALUE_RTX): Likewise.
2363         * config/i386/i386.h (STRUCT_VALUE_INCOMING): Remove.
2364         (STRUCT_VALUE): Likewise.
2365         (PROMOTE_PROTOTYPES): Likewise.
2366
2367 2004-01-27  Roger Sayle  <roger@eyesopen.com>
2368
2369         * config/pa/pa.c (emit_move_sequence): Check that operand1 is a
2370         CONST_INT before using INTVAL.
2371
2372 2004-01-27  Ulrich Weigand  <uweigand@de.ibm.com>
2373
2374         * config/s390/s390.h (TARGET_DEFAULT): Default to !TARGET_BACKCHAIN.
2375         * config/s390/s390.c (s390_return_addr_rtx): Fail for all but current
2376         frame if !TARGET_BACKCHAIN.
2377         * config/s390/s390.md ("allocate_stack"): Use pattern only if
2378         TARGET_BACKCHAIN.
2379         * doc/invoke.texi (-mbackchain/-mno-backchain): Document new default.
2380
2381 2004-01-27  Zack Weinberg  <zack@codesourcery.com>
2382
2383         * ia64.c (ia64_function_arg): When placing HFAs in integer
2384         registers, do not special case the mode used for complex
2385         types.  Do not advance int_regs until the current register
2386         is full.
2387
2388 2004-01-27  Richard Sandiford  <rsandifo@redhat.com>
2389
2390         PR target/7297
2391         * except.c (init_eh): Use a 5-word __jbuf for __builtin_setjmp().
2392
2393 2004-01-27  David Edelsohn  <edelsohn@gnu.org>
2394
2395         * config/rs6000/rs6000.c (rs6000_emit_move): #if 0 splitting
2396         slow, unaligned loads and stores while debugging.  Fix formatting.
2397
2398 2004-01-27  David Edelsohn  <edelsohn@gnu.org>
2399
2400         * config/rs6000/rs6000.md (save_stack_nonlocal): Use Pmode instead
2401         of computing wmode.
2402         (restore_stack_nonlocal): Same.
2403
2404 2004-01-27  Devang Patel <dpatel@apple.com>
2405
2406         * Makefile.in (dwarf2out.o): Depend on input.h
2407         * dbxout.c (dbx_debug_hooks): Add new empty hook for
2408         imported_module_or_decl.
2409         (xcoff_debug_hooks): Same.
2410         * sdbout.c (sdb_debug_hooks): Same.
2411         * vmsdbgout.c (vmsdbg_debug_hooks): Same.
2412         * debug.c (do_nothing_debug_hooks): Same.
2413         (debug_nothing_tree_tree): New function.
2414         * debug.h (gcc_debug_hooks): New hook, imported_module_or_decl.
2415         * dwarf2out.c: Include input.h.
2416         (dwarf2_debug_hooks): Add new hook for imported_module_or_decl.
2417         (remove_child_TAG): New function.
2418         (dwarf_tag_name): Handle DW_TAG_imported_module.
2419         (gen_subprogram_die): Equate decl number to declaration die. Do not
2420         remove all children dies while reusing declaration die for definition.
2421         Instead, selectively remove only formal parameters.
2422         (gen_variable_die): Equate variable decl to declaration die.
2423         (gen_field_die): Equate field decl to line number.
2424         (force_namespace_die): Replace it with ...
2425         (force_decl_die): ... this.
2426         (force_type_die): New function.
2427         (setup_namespace_context): Replace use of force_namespace_die() with
2428         force_decl_die().
2429         (gen_namespace_die): Same.
2430         (dwarf2out_imported_module_or_decl): New function.
2431
2432 2004-01-27  Bob Wilson  <bob.wilson@acm.org>
2433
2434         * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Remove SUBREG
2435         on CQImode and CHImode incoming arguments in register a7.
2436         (function_arg): Wrap BLKmode argument in register a7 in a PARALLEL.
2437         * config/xtensa/xtensa.h (BLOCK_REG_PADDING): Define.
2438         * config/xtensa/xtensa.md (movdi, movdf): Only call force_reg or
2439         xtensa_copy_incoming_a7 before reload.
2440
2441 2004-01-27  J"orn Rennecke <joern.rennecke@superh.com>
2442
2443         * coverage.c (get_coverage_counts): Give a different message
2444         if flag_guess_branch_prob is set.
2445         * predict.c (counts_to_freqs): Return an int.
2446         (estimate_bb_frequencies): If counts_to_freqs returns zero,
2447         calculate estimates.
2448
2449 2004-01-27  Kazu Hirata  <kazu@cs.umass.edu>
2450
2451         * config/iq2000/iq2000-protos.h: Remove the prototype for
2452         iq2000_setup_incoming_varargs.
2453         * config/iq2000/iq2000.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
2454         (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
2455         (TARGET_PROMOTE_PROTOTYPES): Likewise.
2456         (TARGET_STRUCT_VALUE_RTX): Likewise.
2457         (TARGET_RETURN_IN_MEMORY): Likewise.
2458         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
2459         (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
2460         (iq2000_return_in_memory): Likewise.
2461         (iq2000_setup_incoming_varargs): Make it static.  Receive the
2462         first argument by reference.
2463         * config/iq2000/iq2000.h (PROMOTE_FUNCTION_ARGS): Remove.
2464         (PROMOTE_FUNCTION_RETURN): Likewise.
2465         (PROMOTE_PROTOTYPES): Likewise.
2466         (RETURN_IN_MEMORY): Likewise.
2467         (STRUCT_VALUE): Likewise.
2468         (SETUP_INCOMING_VARARGS): Likewise.
2469         (STRICT_ARGUMENT_NAMING): Likewise.
2470
2471 2004-01-24  James A. Morrison  <ja2morri@uwaterloo.ca>
2472
2473         * fixinc/fixinc.c (test_test): Initialize res.
2474         (start_flexer): Initialize pz_cmd_save.
2475
2476 2004-01-27  Zack Weinberg  <zack@codesourcery.com>
2477
2478         * doc/rtl.texi (Arithmetic): Rewrite entries for PLUS,
2479         SS_PLUS, US_PLUS, LO_SUM, MINUS, SS_MINUS, US_MINUS.
2480
2481 2004-01-27  Zack Weinberg  <zack@codesourcery.com>
2482
2483         PR 7198
2484         * config/ia64/ia64.md (*nmaddsf4, *nmadddf4, *nmadddf4_alts)
2485         (*nmadddf4_trunc, *nmaddxf4, *nmaddxf4_truncsf, *nmaddxf4_truncdf)
2486         (*nmaddxf4_alts, *nmaddxf4_truncdf_alts):
2487         Rewrite pattern as (minus (op 3) (mult (op 1) (op 2))).
2488         Possibly rename pattern for consistency.
2489         Remove ??? comments suggesting that this be done.
2490         (*nmaddsf4_alts, *nmadddf4_truncsf_alts, *nmaddxf4_truncsf_alts):
2491         New patterns.
2492         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr)
2493         (divsf3_internal_lat, divsf3_internal_thr, sqrtsf2_internal_thr)
2494         (divdf3_internal_lat, divdf3_internal_thr, sqrtdf2_internal_thr)
2495         (divxf3_internal_lat, divxf3_internal_thr, sqrtxf2_internal_thr):
2496         Update to match.
2497
2498 2004-01-27  Ian Lance Taylor  <ian@wasabisystems.com>
2499
2500         * config/arm/arm.c (output_return_instruction): Only restore IP
2501         into SP if frame_pointer_needed.
2502
2503 2004-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
2504
2505         * config/sparc/sparc.c (function_arg_pass_by_reference): Return 1
2506         for SCmode and DCmode if ARCH32.
2507         (sparc_va_arg): Handle SCmode and DCmode by reference if ARCH32.
2508         * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for TCmode
2509         if ARCH32.
2510         (BASE_RETURN_VALUE_REG): Return 32 for all FP modes except TFmode
2511         if ARCH32.
2512         (BASE_OUTGOING_VALUE_REG): Likewise.
2513
2514 2004-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
2515
2516         PR target/10904
2517         PR target/13058
2518         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): New.
2519         Forbid mode changes from SImode for lower FP regs if ARCH64.
2520
2521 2004-01-27  J"orn Rennecke <joern.rennecke@superh.com>
2522
2523         * Makefile.in (bt-load.o): Depend on except.h.
2524         * bt-load.c (except.h): #include.
2525         (compute_defs_uses_and_gen): If insn at end of BB can throw
2526         within this function, consider registers used by it unavailable for
2527         btr migration.
2528         (move_btr_def): If insn at end of BB can throw, insert before rather
2529         than after.
2530
2531         * flags.h (flag_btr_bb_exclusive): Declare.
2532         * toplev.c (flag_btr_bb_exclusive): New variable.
2533         (f_options): Add btr-bb-exclusive.
2534         * bt-load.c (augment_live_range): Restore old behaviour if
2535         flag_btr_bb_exclusive is set.
2536         * common.opt: Add entry for -fbtr-bb-exclusive.
2537         * opts.c (common_handle_options): Same.
2538         * doc/invoke.texi: Document -fbtr-bb-exclusive.
2539
2540         * bt-load.c (btrs_live_at_end): New variable.
2541         (compute_defs_uses_and_gen): Compute its pointed-to array.
2542         (clear_btr_from_live_range, add_btr_to_live_range): Update it.
2543         (augment_live_range): When augmenting with a new dominator,
2544         use only its btrs_live_at_end set, but also add in the full set
2545         of the old dominator.
2546         (btr_def_live_range): Use btrs_live_at_end.
2547         (move_btr_def): Set other_btr_uses_before_def, and move new set
2548         to the end of the basic block, if appropriate.
2549         (migrate_btr_defs): Allocate and free btrs_live_at_end.
2550
2551         * bt-load.c (basic_block_freq): Remove outdated comment.
2552
2553 2004-01-27  Alan Modra  <amodra@bigpond.net.au>
2554
2555         * config/rs6000/rs6000.h: Correct target_flags free bits comment.
2556         (PREDICATE_CODES): Remove duplicate.
2557         * config/rs6000/linux64.h (CPP_SYSV_SPEC): Don't define.
2558         (SUBSUBTARGET_OVERRIDE_OPTIONS): Disallow 32 bit TARGET_PROFILE_KERNEL.
2559         (MASK_PROFILE_KERNEL): Adjust define.
2560
2561 2004-01-27  Jakub Jelinek  <jakub@redhat.com>
2562
2563         * config/i386/i386.c (ix86_constant_alignment): Decrease alignment
2564         of long string literals from 32 bytes to sizeof (void *) when !-Os
2565         and to 1 with -Os.
2566
2567 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2568
2569         * config/h8300/h8300.c (h8300_tiny_constant_address_p): Accept
2570         constant addresses in the normal mode.
2571
2572 2004-01-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2573
2574         * system.h (CHAR_BITFIELD): Delete.
2575         (BOOL_BITFIELD): New.
2576         * c-decl.c (c_scope): Use BOOL_BITFIELD.
2577         * gengtype-lex.l: Recognize BOOL_BITFIELD instead of CHAR_BITFIELD.
2578
2579 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2580
2581         * config/arc/arc.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
2582         (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
2583         (TARGET_PROMOTE_PROTOTYPES): Likewise.
2584         (TARGET_STRUCT_VALUE_RTX): Likewise.
2585         (TARGET_RETURN_IN_MEMORY): Likewise.
2586         (arc_return_in_memory): Likewise.
2587         * config/arc/arc.h (PROMOTE_FUNCTION_ARGS): Remove.
2588         (PROMOTE_FUNCTION_RETURN): Likewise.
2589         (RETURN_IN_MEMORY): Likewise.
2590         (STRUCT_VALUE): Likewise.
2591
2592 2004-01-26  Richard Henderson  <rth@redhat.com>
2593
2594         * c-parse.in (extension): Use itype.
2595         (SAVE_EXT_FLAGS): Don't allocate a tree.
2596         (RESTORE_EXT_FLAGS): Don't read a tree.
2597
2598 2004-01-26  Jan Hubicka  <jh@suse.cz>
2599
2600         * cselib.c (discard_useless_values):  Clear out value pointer pointing
2601         to datastructure to be recycled.
2602
2603 2004-01-25  Jan Hubicka  <jh@suse.cz>
2604
2605         * genextract.c (main): Do not output the memset when not checking.
2606
2607 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2608
2609         * config/h8300/h8300.c (h8300_tiny_constant_address_p): Use a
2610         switch statement instead of a chain of if statements.
2611
2612 2004-01-26  Jeff Law  <law@redhat.com>
2613
2614         * doc/contrib.texi: Minor cleanup for Paolo Carlini's entry.  Add
2615         acute accents for Petur Runolfsson's entry.
2616
2617 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2618
2619         * config/pdp11/pdp11.c (TARGET_STRUCT_VALUE_RTX): New.
2620         (TARGET_RETURN_IN_MEMORY): Likewise.
2621         * config/pdp11/pdp11.h (STRUCT_VALUE): Remove.
2622         (RETURN_IN_MEMORY): Likewise.
2623
2624 2004-01-26  Fariborz Jahanian  <fjahanian@apple.com>
2625
2626          * config/rs6000/rs6000.c (rs6000_emit_move): split slow
2627          unaligned load/store into smaller loads and stores.
2628
2629 2004-01-26  Fariborz Jahanian  <fjahanian@apple.com>
2630
2631         * function.c (assign_parms): Do not assign
2632         long long argument to memory in prologue if
2633         is it loaded into register.
2634
2635 2004-01-26  Fariborz Jahanian  <fjahanian@apple.com>
2636
2637          PR middle-end/13779
2638          * expr.c (emit_group_load): split constant
2639          correctly into register components of PARALLEL insn.
2640
2641 2004-01-26  Fariborz Jahanian  <fjahanian@apple.com>
2642
2643         * gcc/config/rs6000/rs6000.md (save_stack_nonlocal):
2644         Use adjust_address_nv directly with appropriate mode.
2645         (restore_stack_nonlocal): Ditto.
2646
2647 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2648
2649         * config/xtensa/xtensa-protos.h: Remove the prototype for
2650         xtensa_builtin_saveregs.
2651         * config/xtensa/xtensa.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
2652         (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
2653         (TARGET_PROMOTE_PROTOTYPES): Likewise.
2654         (TARGET_STRUCT_VALUE_RTX): Likewise.
2655         (TARGET_RETURN_IN_MEMORY): Likewise.
2656         (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
2657         (xtensa_builtin_saveregs): Make it static.
2658         (xtensa_return_in_memory): New.
2659         * config/xtensa/xtensa.h (PROMOTE_FUNCTION_ARGS: Remove.
2660         (PROMOTE_FUNCTION_RETURN): Likewise.
2661         (PROMOTE_PROTOTYPES): Likewise.
2662         (STRUCT_VALUE): Likewise.
2663         (RETURN_IN_MEMORY): Likewise.
2664         (EXPAND_BUILTIN_SAVEREGS): Likewise.
2665
2666 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2667
2668         * config/arm/arm.c (TARGET_SETUP_INCOMING_VARARGS): New.
2669         (arm_setup_incoming_varargs): Likewise.
2670         * config/arm/arm.h (SETUP_INCOMING_VARARGS): Remove.
2671
2672 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2673
2674         * config/cris/cris.c (TARGET_SETUP_INCOMING_VARARGS): New.
2675         (cris_setup_incoming_varargs): Likewise.
2676         * config/cris/cris.h (SETUP_INCOMING_VARARGS): Remove.
2677
2678 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2679
2680         * config/ns32k/ns32k.c (TARGET_STRUCT_VALUE_RTX): New.
2681         (ns32k_struct_value_rtx): Likewise.
2682         * config/ns32k/ns32k.h (STRUCT_VALUE_REGNUM): Rename to
2683         NS32K_STRUCT_VALUE_REGNUM.
2684
2685 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2686
2687         * config/arm/arm.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
2688         (TARGET_PROMOTE_PROTOTYPES): Likewise.
2689         (TARGET_STRUCT_VALUE_RTX): Likewise.
2690         (arm_struct_value_rtx): Likewise.
2691         * config/arm/arm.h (PROMOTE_FUNCTION_ARGS): Remove.
2692         (STRUCT_VALUE): Likewise.
2693         (STRUCT_VALUE_REGNUM): Likewise.
2694         (PROMOTE_PROTOTYPES): Likewise.
2695
2696 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2697
2698         * config/ia64/ia64-protos.h: Remove the prototype for
2699         ia64_setup_incoming_varargs and ia64_return_in_memory.
2700         * config/ia64/ia64.c (TARGET_STRUCT_VALUE_RTX): New.
2701         (TARGET_RETURN_IN_MEMORY): Likewise.
2702         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
2703         (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
2704         (ia64_setup_incoming_varargs): Adjust the arguments to meet
2705         the requirement of TARGET_SETUP_INCOMING_VARARGS.
2706         (ia64_return_in_memory): Make it static.  Change the return
2707         type to bool from int.  Add an argument.
2708         (ia64_struct_value_rtx): New.
2709         * config/ia64/ia64.h: Remove commented-out definitions of
2710         PROMOTE_FUNCTION_ARGS, PROMOTE_FUNCTION_RETURN, and
2711         PROMOTE_PROTOTYPES.
2712         (RETURN_IN_MEMORY): Remove.
2713         (STRUCT_VALUE_REGNUM): Likewise.
2714         (STRICT_ARGUMENT_NAMING): Likewise.
2715
2716 2004-01-26  Eric Botcazou  <ebotcazou@libertysurf.fr>
2717
2718         PR target/13666
2719         * config/sparc/sparc.c (function_arg_union_value): New function.
2720         (function_arg): Use it to deal with unions.
2721         (function_value): Likewise.  Define 'regbase' only for ARCH64.
2722         Replace a conditional statement by a simpler one.
2723
2724 2004-01-26  Richard Sandiford  <rsandifo@redhat.com>
2725
2726         * config/mips/mips.c (mips16_optimize_gp): Delete.
2727         (mips_reorg): Don't call it.
2728
2729 2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
2730
2731         * config/c4x/c4x.md (addqi3_noclobber): Move up pecking order.
2732         (floatunsqihf2): Remove operand 6.
2733         (fixhfqi_set, fix_trunchfqi2, fixuns_trunchfqi2): Group with other
2734         fix patterns.
2735         (ldi_conditional, ldf_conditional): Validate operands.
2736
2737 2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
2738
2739         * config/c4x/c4x.h (BCT_CHECK_LOOP_ITERATIONS): Remove.
2740         (HAVE_GAS_HIDDEN): Undefine as interim measure.
2741
2742 2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
2743
2744         * config/c4x/c4x.c (c4x_legitimate_address_p):  Invalidate direct
2745         memory references if TARGET_EXPOSE_LDP nonzero.
2746
2747 2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
2748
2749         * config/c4x/c4x.c (legitimize_operands): Truncate invalid shift counts.
2750
2751 2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
2752
2753         * config/c4x/c4x.c (c4x_valid_operands): More aggressively reject
2754         invalid operand combinations.
2755
2756 2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
2757
2758         * config/c4x/c4x.c (c4x_check_legit_addr): Rename to
2759         c4x_legitimate_address_p.  Fix post_modify check.
2760
2761         * config/c4x/c4x-protos.h (c4x_check_legit_addr): Adjust.
2762         * config/c4x/c4x.h (c4x_check_legit_addr): Adjust.
2763
2764 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
2765
2766         * config/pa/pa-protos.h: Remove the prototype for
2767         hppa_builtin_saveregs.  Add a prototype for
2768         pa_return_in_memory.
2769         * config/pa/pa.c (TARGET_PROMOTE_FUNCTION_RETURN): New.
2770         (TARGET_PROMOTE_PROTOTYPES): Likewise.
2771         (TARGET_STRUCT_VALUE_RTX): Likewise.
2772         (TARGET_RETURN_IN_MEMORY): Likewise.
2773         (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
2774         (pa_struct_value_rtx): Likewise.
2775         (pa_return_in_memory): Likewise.
2776         * config/pa/pa.h (STRUCT_VALUE_REGNUM): Rename to
2777         PA_STRUCT_VALUE_REGNUM.
2778         (INIT_CUMULATIVE_ARGS): Use pa_return_in_memory.
2779         (EXPAND_BUILTIN_SAVEREGS): Remove.
2780         (PROMOTE_PROTOTYPES): Likewise.
2781         (PROMOTE_FUNCTION_RETURN): Likewise.
2782
2783 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
2784
2785         * config/vax/vax.c (TARGET_PROMOTE_PROTOTYPES): New.
2786         (TARGET_STRUCT_VALUE_RTX): Likewise.
2787         (vax_struct_value_rtx): Likewise.
2788         * config/vax/vax.h (STRUCT_VALUE_REGNUM): Rename to
2789         VAX_STRUCT_VALUE_REGNUM.
2790         (PROMOTE_PROTOTYPES): Remove.
2791
2792 2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
2793
2794         * config/c4x/c4x.h (LEGITIMIZE_RELOAD_ADDRESS):  Handle symref.
2795
2796 2003-04-25  Chris Demetriou  <cgd@broadcom.com>
2797
2798         * config/mips/mips.h (ISA_HAS_HILO_INTERLOCKS): MIPS32, MIPS32r2,
2799         and MIPS64 have HI/LO interlocks.  Update comment.
2800
2801 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
2802
2803         * config/stormy16/stormy16-protos.h: Remove the prototype for
2804         xstormy16_setup_incoming_varargs.
2805         * config/stormy16/stormy16.c
2806         (xstormy16_setup_incoming_varargs): Remove.
2807         (xstormy16_return_in_memory): New.
2808         (TARGET_PROMOTE_FUNCTION_ARGS): Likewise.
2809         (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
2810         (TARGET_PROMOTE_PROTOTYPES): Likewise.
2811         (TARGET_STRUCT_VALUE_RTX): Likewise.
2812         (TARGET_RETURN_IN_MEMORY): Likewise.
2813         * config/stormy16/stormy16.h (PROMOTE_FUNCTION_ARGS): Remove.
2814         (PROMOTE_FUNCTION_RETURN): Likewise
2815         (PROMOTE_PROTOTYPES): Likewise
2816         (RETURN_IN_MEMORY): Likewise
2817         (STRUCT_VALUE): Likewise
2818         (SETUP_INCOMING_VARARGS): Likewise
2819
2820 2004-01-25  Richard Sandiford  <rsandifo@redhat.com>
2821
2822         * config/mips/mips.c (mips_offset_within_object_p): New function.
2823         (mips_symbolic_constant_p): Use it in the SYMBOL_SMALL_DATA and
2824         SYMBOL_CONSTANT_POOL cases.  Also use it for SYMBOL_GENERAL if the
2825         ABI has 64-bit pointers and the object file only allows 32-bit symbols.
2826
2827 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
2828
2829         * config/sh/sh.h (PROMOTE_FUNCTION_ARGS): Remove.
2830         (PROMOTE_FUNCTION_RETURN): Likewise.
2831
2832 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
2833
2834         * config/mn10300/mn10300-protos.h: Remove the prototype for
2835         mn10300_builtin_saveregs.
2836         * config/mn10300/mn10300.c (TARGET_PROMOTE_PROTOTYPES): New.
2837         (TARGET_STRUCT_VALUE_RTX): Likewise.
2838         (TARGET_RETURN_IN_MEMORY): Likewise.
2839         (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
2840         (mn10300_return_in_memory): Likewise.
2841         (mn10300_builtin_saveregs): Make it static.
2842         * config/mn10300/mn10300.h (PROMOTE_PROTOTYPES): Remove.
2843         (RETURN_IN_MEMORY): Likewise.
2844         (STRUCT_VALUE): Likewise.
2845         (EXPAND_BUILTIN_SAVEREGS): Likewise.
2846
2847 2004-01-25  Eric Botcazou  <ebotcazou@act-europe.fr>
2848
2849         PR bootstrap/13853
2850         * cfgcleanup.c (try_optimize_cfg): Explicitly test against 0.
2851
2852 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
2853
2854         * config/h8300/lib1funcs.asm (divnorm, modnorm): Optimize by
2855         using ccr.
2856
2857 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
2858
2859         * config/i860/i860-protos.h: Remove the prototype for
2860         i860_saveregs.
2861         * config/i860/i860.c (i860_saveregs): Make it static.
2862         (i860_struct_value_rtx): New.
2863         (TARGET_STRUCT_VALUE_RTX): Likewise.
2864         (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
2865         * config/i860/i860.h (STRUCT_VALUE_REGNUM): Rename to
2866         I860_STRUCT_VALUE_REGNUM.
2867         (EXPAND_BUILTIN_SAVEREGS): Remove.
2868
2869 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
2870
2871         * config/m68hc11/m68hc11.c (TARGET_STRUCT_VALUE_RTX): New.
2872         (TARGET_RETURN_IN_MEMORY): Likewise.
2873         (m68hc11_struct_value_rtx): Likewise.
2874         (m68hc11_return_in_memory): Likewise.
2875         * config/m68hc11/m68hc11.h: Remove a commented-out definition
2876         of PROMOTE_PROTOTYPES.
2877         (RETURN_IN_MEMORY): Remove.
2878         (STRUCT_VALUE_REGNUM): Likewise.
2879
2880 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
2881
2882         * config/mmix/mmix-protos.h: Remove the prototype for
2883         mmix_setup_incoming_varargs.
2884         * config/mmix/mmix.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
2885         (TARGET_STRUCT_VALUE_RTX): Likewise.
2886         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
2887         (mmix_setup_incoming_varargs): Make it static.
2888         (mmix_struct_value_rtx): New.
2889         * config/mmix/mmix.h (PROMOTE_FUNCTION_ARGS): Remove.
2890         Remove a commented-out definition of PROMOTE_FUNCTION_RETURN.
2891         (STRUCT_VALUE_REGNUM): Remove.
2892         (SETUP_INCOMING_VARARGS): Likewise.
2893
2894 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
2895
2896         * config/mips/mips-protos.h: Remove the prototypes for
2897         mips_setup_incoming_varargs and mips_return_in_memory.
2898         * config/mips/mips.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
2899         (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
2900         (TARGET_PROMOTE_PROTOTYPES): Likewise.
2901         (TARGET_STRUCT_VALUE_RTX): Likewise.
2902         (TARGET_RETURN_IN_MEMORY): Likewise.
2903         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
2904         (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
2905         (mips_setup_incoming_varargs): Match the prototype for
2906         TARGET_SETUP_INCOMING_VARARGS.
2907         (mips_return_in_memory): Make it static.  Add argument fntype.
2908         (mips_strict_argument_naming): New.
2909         * config/mips/mips.h (PROMOTE_PROTOTYPES): Remove.
2910         (PROMOTE_FUNCTION_ARGS): Likewise.
2911         (PROMOTE_FUNCTION_RETURN): Likewise.
2912         (STRUCT_VALUE): Likewise.
2913         (RETURN_IN_MEMORY): Likewise.
2914         (SETUP_INCOMING_VARARGS): Likewise.
2915         (STRICT_ARGUMENT_NAMING): Likewise.
2916
2917 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
2918
2919         * config/ip2k/ip2k.c (TARGET_STRUCT_VALUE_RTX): New.
2920         (TARGET_RETURN_IN_MEMORY): Likewise.
2921         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
2922         (ip2k_return_in_memory): Likewise.
2923         (ip2k_setup_incoming_varargs): Likewise.
2924         * config/ip2k/ip2k.h (RETURN_IN_MEMORY): Remove.
2925         (STRUCT_VALUE): Likewise.
2926         (STRUCT_VALUE_INCOMING): Likewise.
2927         (SETUP_INCOMING_VARARGS): Likewise.
2928
2929 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
2930
2931         * config/avr/avr.c (TARGET_STRUCT_VALUE_RTX): New.
2932         (TARGET_RETURN_IN_MEMORY): Likewise.
2933         (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
2934         (avr_return_in_memory): Remove.
2935         * config/avr/avr.h (RETURN_IN_MEMORY): Remove.
2936         (STRUCT_VALUE): Likewise.
2937         (STRUCT_VALUE_INCOMING): Likewise.
2938         (STRICT_ARGUMENT_NAMING): Likewise.
2939
2940 2004-01-25  Jan Hubicka  <jh@suse.cz>
2941
2942         * combine.c (recog_for_combine): Avoid allocating unnecesary RTX.
2943
2944 2004-01-25  Richard Sandiford  <rsandifo@redhat.com>
2945
2946         * config/mips/mips-protos.h (mips_reg_mode_ok_for_base_p): Delete.
2947         (mips_regno_mode_ok_for_base_p): Declare.
2948         * config/mips/mips.h (ARG_POINTER_REGNUM): Renumber to 77.
2949         (FRAME_POINTER_REGNUM): Renumber to 78.
2950         (FIRST_PSEUDO_REGISTER): Update comment accordingly.
2951         (BASE_REG_P, GP_REG_OR_PSEUDO_STRICT_P): Delete.
2952         (GP_REG_OR_PSEUDO_NONSTRICT_P): Delete.
2953         (REGNO_MODE_OK_FOR_BASE_P): Use mips_regno_mode_ok_for_base_p.
2954         (REG_MODE_OK_FOR_BASE_P): Likewise.
2955         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Change
2956         entry for 77 to "$arg" and entry for 78 to "$frame".
2957         (mips_regno_to_class): Map 77 and 78 to ALL_REGS.
2958         (mips_reg_mode_ok_for_base_p): Remove.
2959         (mips_regno_mode_ok_for_base_p): New function, derived from old
2960         BASE_REG_P macro.  Don't enforce the mips16 stack pointer
2961         restrictions unless we're being strict.
2962         (mips_valid_base_register_p): Use mips_regno_mode_ok_for_base_p.
2963
2964 2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>
2965
2966         * c-common.h: Fix comment typos.
2967         * c-decl.c: Likewise.
2968         * cgraphunit.c: Likewise.
2969         * combine.c: Likewise.
2970         * et-forest.c: Likewise.
2971         * flow.c: Likewise.
2972         * function.c: Likewise.
2973         * ifcvt.c: Likewise.
2974         * integrate.c: Likewise.
2975         * jump.c: Likewise.
2976         * postreload.c: Likewise.
2977         * varray.c: Likewise.
2978
2979 2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>
2980
2981         * doc/frontends.texi: Update copyright.
2982         * doc/gcov.texi: Likewise.
2983         * doc/gty.texi: Likewise.
2984         * doc/sourcebuild.texi: Likewise.
2985         * doc/standards.texi: Likewise.
2986
2987 2004-01-24  Herman A.J. ten Brugge  <hermantenbrugge@home.nl>
2988
2989         PR target/12978
2990         * c4x.md: (movstrqi*) Use match_scratch instead of match_dup.
2991         Remove movstrqi_small because it conflicts with movstrqi_large.
2992
2993 2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>
2994
2995         * config/cris/cris.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
2996         (TARGET_STRUCT_VALUE_RTX): Likewise.
2997         (cris_struct_value_rtx): Likewise.
2998         * config/cris/cris.h (PROMOTE_FUNCTION_ARGS): Remove.
2999         (CRIS_STACKADJ_REG): Use CRIS_STRUCT_VALUE_REGNUM instead of
3000         STRUCT_VALUE_REGNUM.
3001         (STRUCT_VALUE_REGNUM): Rename to CRIS_STRUCT_VALUE_REGNUM.
3002
3003 2004-01-24  Ian Lance Taylor  <ian@wasabisystems.com>
3004
3005         PR bootstrap/13848
3006         * cse.c (cse_cc_succs): Change the mode of the source expression
3007         as soon as decide we need a new mode.  Don't permit changing modes
3008         if we found a match in a successor block.
3009         (cse_condition_code_reg): Save original mode of source expression
3010         so that we know whether we have to change the mode in other
3011         insns.
3012
3013 2004-01-24  Jan Hubicka  <jh@suse.cz>
3014
3015         * emit-rtl.c (change_address, adjust_address_1, offset_address,
3016         widen_memory_access):  Return early when there is nothing to change.
3017
3018 2004-01-24  Jakub Jelinek  <jakub@redhat.com>
3019
3020         * simplify-rtx.c (simplify_relational_operation): Don't
3021         simplify address == constant into address + -constant == 0.
3022
3023 2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3024
3025         * gcc.c (process_command): Don't internationalize the
3026         Copyright message.
3027         * mips-tfile.c (main): Likewise.
3028
3029 2004-01-24  Andreas Tobler  <a.tobler@schweiz.ch>
3030
3031         * cse.c: (cse_cc_succs) Fix comparison warning.
3032
3033 2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3034
3035         * config/h8300/h8300.md: Remove extraneous USE in expanders.
3036
3037 2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3038
3039         * config/h8300/h8300-protos.h: Provide prototypes for
3040         h8300_legitimate_constant_p and h8300_legitimate_address_p.
3041         * config/h8300/h8300.c (h8300_legitimate_constant_p): New.
3042         (h8300_rtx_ok_for_base_p): Likewise.
3043         (h8300_legitimate_address_p): Likewise.
3044         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Use
3045         h8300_legitimate_constant_p.
3046         (RTX_OK_FOR_BASE_P): Remove.
3047         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_legitimate_address_p.
3048
3049 2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3050
3051         * config/h8300/h8300.h (REG_OK_FOR_INDEX_NONSTRICT_P): New.
3052         (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
3053         (REG_OK_FOR_INDEX_STRICT_P): Likewise.
3054         (REG_OK_FOR_BASE_STRICT_P): Likewise.
3055         (REG_OK_FOR_INDEX_STRICT_P): Use REGNO_OK_FOR_INDEX_P.
3056         (REG_OK_FOR_BASE_STRICT_P): Use REGNO_OK_FOR_BASE_P.
3057         (REG_OK_FOR_INDEX_P): Use REG_OK_FOR_INDEX_STRICT_P.
3058         (REG_OK_FOR_BASE_P): Use REG_OK_FOR_BASE_STRICT_P.
3059
3060 2004-01-24  Jan Hubicka  <jh@suse.cz>
3061
3062         * cselib.c (remove_useless_values):  Do not access discarded values.
3063
3064 2004-01-24  Joseph S. Myers  <jsm@polyomino.org.uk>
3065
3066         * c-typeck.c (build_conditional_expr): Do not allow non-lvalue
3067         arrays.
3068
3069 2004-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3070
3071         * recog.c: Fix a typo in copyright.
3072
3073 2004-01-23  Andrew Pinski  <apinski@apple.com>
3074
3075         * config/rs6000/rs6000.md (call): Fix misappiled patch.
3076         (call_value): Likewise.
3077
3078 2004-01-23  Richard Henderson  <rth@redhat.com>
3079
3080         PR opt/12941
3081         * combine.c (SHIFT_COUNT_TRUNCATED): Provide default value.
3082         (simplify_comparison): Don't simplify (eq (zero_extract c 1 r) 0)
3083         if SHIFT_COUNT_TRUNCATED is set.
3084
3085 2004-01-23  Bob Wilson  <bob.wilson@acm.org>
3086
3087         * config/xtensa/xtensa.c (xtensa_va_arg): Handle complex values as
3088         separate real and imaginary parts.
3089         * config/xtensa/xtensa.h (SPLIT_COMPLEX_ARGS): Define.
3090
3091 2004-01-23  Hartmut Penner <hpenner@de.ibm.com>
3092
3093         PR target/13674
3094         * config/rs6000/rs6000.md (movdf_hardfloat64): Do not disparage
3095         loading into GPR.
3096
3097 2004-01-23  Jan Hubicka  <jh@suse.cz>
3098
3099         * emit-rtl.c (change_address_1):  Do not re-generate the RTX if nothing
3100         change.
3101
3102         * alloc-pool.c (align_four): Kill.
3103         (create_alloc_pool): Align size to eight.
3104         (free_alloc_pool, free_pool): Invalidate deallocated data.
3105
3106 2004-01-23  Ian Lance Taylor  <ian@wasabisystems.com>
3107
3108         PR gcc/1532
3109         * cse.c (cse_change_cc_mode): New static function.
3110         (cse_change_cc_mode_insns, cse_cc_succs): Likewise.
3111         (cse_condition_code_reg): New function.
3112         * rtl.h (cse_condition_code_reg): Declare.
3113         * toplev.c (rest_of_handle_cse2): Call cse_condition_code_reg.
3114         * target.h (struct gcc_target): Add fixed_condition_code_regs and
3115         cc_modes_compatible.
3116         * target-def.h (TARGET_FIXED_CONDITION_CODE_REGS): Define.
3117         (TARGET_CC_MODES_COMPATIBLE): Define.
3118         (TARGET_INITIALIZER): Add new initializers.
3119         * targhooks.c (default_cc_modes_compatible): New function.
3120         * targhooks.c (default_cc_modes_compatible): Declare.
3121         * hooks.c (hook_bool_intp_intp_false): New function.
3122         * hooks.h (hook_bool_intp_intp_false): Declare.
3123         * config/i386/i386.c (TARGET_FIXED_CONDITION_CODE_REGS): Define.
3124         (TARGET_CC_MODES_COMPATIBLE): Define.
3125         (ix86_fixed_condition_code_regs): New static function.
3126         (ix86_cc_modes_compatible): Likewise.
3127         * doc/tm.texi (Condition Code): Document new hooks.
3128
3129 2004-01-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3130
3131         * fixinc/inclhack.def (bad_lval): Renamed to ...
3132         (alpha_bad_lval): ... this.
3133         Removed file list.
3134         Restrict to alpha*-dec-osf*.
3135         * fixinc/fixincl.x: Regenerate.
3136         * fixinc/tests/base/dirent.h: Remove, moving test ...
3137         * fixinc/tests/base/testing.h: ... here, reflecting new name.
3138
3139 2004-01-23  Zack Weinberg  <zack@codesourcery.com>
3140
3141         PR c/13814
3142         * c-decl.c (diagnose_mismatched_decls): Also discard a
3143         built-in if we encounter an old-style definition with the
3144         same name.
3145
3146 2004-01-23  Jakub Jelinek  <jakub@redhat.com>
3147
3148         * config.gcc (powerpc*-*): Clear $with_cpu or $with_tune if it was
3149         set to default{32,64}.
3150
3151 2004-01-21  Jakub Jelinek  <jakub@redhat.com>
3152
3153         * config/rs6000/linux64.h (MD_FALLBACK_FRAME_STATE_FOR)
3154         [!__powerpc64__]: Corrected to handle kernels with changed ucontext.
3155
3156 2004-01-23  Eric Botcazou  <ebotcazou@act-europe.fr>
3157             Olivier Hainque  <hainque@act-europe.fr>
3158
3159         * fold-const.c (fold_binary_op_with_conditional_arg): Only
3160         build a COMPOUND_EXPR if 'arg' is really a SAVE_EXPR.
3161
3162 2004-01-23  Daniel Jacobowitz  <drow@mvista.com>
3163
3164         * config/arm/arm.c (arm_legitimate_address_p): Don't check the mode
3165         size for minipool references.
3166
3167 2004-01-23  Roger Sayle  <roger@eyesopen.com>
3168
3169         * real.c (real_floor, real_ceil): Tweak to allow input and output
3170         arguments to overlap.
3171         (real_round): New function to implement round(3m) semantics.
3172         * real.h (real_round): Prototype here.
3173         * builtins.c (fold_builtin_round): New function to constant fold
3174         round, roundf and roundl.
3175         (fold_builtin): Call fold_builtin_round for BUILT_IN_ROUND{,F,L}.
3176
3177 2004-01-23  Alexandre Oliva  <aoliva@redhat.com>
3178
3179         PR optimization/13819
3180         * config/sh/sh.c (sh_reorg): Compensate for sharing of CLOBBERs
3181         introduced by 2004-01-20's Jan Hubicka's copy_insn change.
3182         (sh_handle_sp_switch_attribute): Remove warning.
3183
3184 2003-11-30  Jan Hubicka  <jh@suse.cz>
3185
3186         * i386.c (ix86_emit_restore_regs_using_mov):  Deal with large offsets.
3187
3188 2004-01-23  J"orn Rennecke <joern.rennecke@superh.com>
3189
3190         * doc/tm.texi: Insert some weasel words when LOAD_EXTEND_OP
3191         may or may not return non-NIL.
3192         * postreload.c (reload_cse_simplify_operands): In LOAD_EXTEND_OP code,
3193         check CANNOT_CHANGE_MODE_CLASS
3194
3195 2004-01-23  Jan Hubicka  <jh@suse.cz>
3196
3197         * basic-block.h (PROP_POSTRELOAD): New macro.
3198         (CLEANUP_LOG_LINKS): New.
3199         * cfgcleanup.c (cleanup_cfg): Only PROP_LOG_LINKS when asked to.
3200         * toplev.c (rest_of_handle_life):  Preserve LOG_LINKS trought cleanup_cfg.
3201
3202         * cselib.c (value_pool): New.
3203         (new_cselib_val): Use pool.
3204         (cselib_init): Initialize value_pool
3205         (cselib_finish): Free pool.
3206
3207 2004-01-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
3208
3209         * config/sparc/sparc.c (scan_record_type): New function.
3210         (function_arg_slotno): Use it to determine which kinds of
3211         registers the record can be passed in.
3212
3213 2004-01-22  James A. Mmorrison  <ja2morri@uwaterloo.ca>
3214
3215         * config/pa/fptr.c: Fix old-style definition.
3216
3217 2004-01-22  Paolo Bonzini  <bonzini@gnu.org>
3218
3219         PR optimization/13724
3220         * cse.c (fold_rtx) <SUBREG>:  Fold a SUBREG to zero if it
3221         represents the zero bits produced by a ZERO_EXTEND operation.
3222
3223 2004-01-22  Roger Sayle  <roger@eyesopen.com>
3224
3225         PR optimization/13821
3226         * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset to
3227         correctly calculate the lowpart offset of the contracted subreg.
3228
3229 2004-01-22  Ian Lance Taylor  <ian@wasabisystems.com>
3230
3231         * doc/invoke.texi (Optimize Options): Note that --param arguments
3232         are subject to change without notice.
3233
3234 2004-01-22  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3235
3236         * config.gcc (mips-sgi-irix6*o32): Removed.
3237         * config/mips/iris6-o32-as.h: Likewise.
3238         * config/mips/iris6-o32-gas.h: Likewise.
3239         * config/mips/iris6-o32.h: Likewise.
3240
3241 2004-01-22  Jan Hubicka  <jh@suse.cz>
3242
3243         * cfgcleanup.c (first_pass): New static variable.
3244         (try_forward_edges):  Add work limiting check for threading.
3245         (try_crossjump_bb):  Add work limiting check for crossjumping.
3246         (try_optimize_cfg):  Maintain first pass variable.
3247
3248 2004-01-22  Bob Wilson  <bob.wilson@acm.org>
3249
3250         * config/xtensa/xtensa.c (function_arg): Generalize logic so that it
3251         handles complex and vector modes.
3252
3253 2004-01-22  Kazu Hirata  <kazu@cs.umass.edu>
3254
3255         * config/h8300/h8300.h (REG_OK_FOR_INDEX_P_STRICT): Remove.
3256         (REG_OK_FOR_BASE_P_STRICT): Likewise.
3257         (STRICT): Likewise.
3258
3259 2004-01-22  Daniel Jacobowitz  <drow@mvista.com>
3260
3261         * c-semantics.c (genrtl_while_stmt, genrtl_do_stmt_1)
3262         (genrtl_for_stmt): Remove emit_nop calls.
3263
3264 2004-01-22  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3265
3266         PR target/13713
3267         PR target/13324
3268         * pa.md (movstrsi_prereload, movstrsi_postreload, movstrdi_prereload,
3269         movstrdi_postreload, clrstrsi_prereload, clrstrsi_postreload,
3270         clrstrdi_prereload, clrstrdi_postreload): Fix constraints.
3271
3272 2004-01-22  Daniel Jacobowitz  <drow@mvista.com>
3273
3274         * config/arm/arm.c: Include "debug.h".
3275         (thumb_pushpop): Take two new arguments.  Add some commentary.
3276         Output frame information when pushing.
3277         (thumb_exit, thumb_unexpanded_epilogue): Update calls to
3278         thumb_pushpop.
3279         (thumb_output_function_prologue): Likewise.  Accumulate a CFA
3280         offset, and pass it to thumb_pushpop.  Output CFI information.
3281         (thumb_expand_prologue): Add some frame-related markers and notes.
3282
3283 2004-01-22  Ulrich Weigand  <uweigand@de.ibm.com>
3284
3285         * config/s390/s390.c (s390_frame_info): Allow large frame sizes
3286         for TARGET_64BIT.
3287         (s390_arg_frame_offset): Change return type to HOST_WIDE_INT.
3288         * config/s390/s390-protos.h (s390_arg_frame_offset): Likewise.
3289
3290 2004-01-22  Roger Sayle  <roger@eyesopen.com>
3291             Paolo Bonzini  <bonzini@gnu.org>
3292
3293         * rtlanal.c (subreg_lsb_1): New function split out from subreg_lsb.
3294         (subreg_lsb): Change to call new subreg_lsb_1 helper function.
3295         * rtl.h (subreg_lsb_1): Prototype here.
3296         * simplify-rtx.c (simplify_subreg): Optimize subregs of zero and
3297         sign extensions.
3298
3299 2004-01-22  Kazu Hirata  <kazu@cs.umass.edu>
3300
3301         * doc/tm.texi (CASE_VECTOR_PC_RELATIVE): Mention that the
3302         macro need not be defined if jump-tables should contain
3303         relative addresses only when -fPIC or -fPIC is in effect.
3304
3305 2004-01-22  Jan Hubicka  <jh@suse.cz>
3306
3307         * alias.c (reg_base_value): Turn into varray.
3308         (reg_base_value_size): Kill.
3309         (old_reg_base_value): New deletable varray.
3310         (alias_invariant_size): New variable.
3311         (REG_BASE_VALUE): Update to use varray.
3312         (find_base_value): Likewise.
3313         (record_set): Likewise.
3314         (record_base_value): Likewise.
3315         (memrefs_conflict_p): Likewise.
3316         (record_set): Likewise
3317         (record_base_value): Likewise.
3318         (memrefs_conflict_p): Use alias_invariant_size.
3319         (init_alias_analysis): Use varray; set alias_invariant_size;
3320         rescale other arrays to be sized by maxreg.
3321         (end_alias_analysis): Save reg_base_value; clear alias_invariant_size.
3322
3323 2004-01-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
3324
3325         * config/sparc/sparc.c (function_arg_slotno): Use
3326         FLOAT_TYPE_P to detect FP fields in structures.
3327         (function_arg_record_value_1): Likewise.
3328         (function_arg_record_value_2): Likewise.
3329
3330 2004-01-22  Jan Hubicka  <jh@suse.cz>
3331
3332         * function.c (allocate_struct_function): Do not initialize expr, emit
3333         and varasm.
3334         (prepare_function_start): Do it here.
3335         * c-parse.in (maybe_type_qual): Do not produce line number notes.
3336
3337 2004-01-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
3338
3339         PR target/13559
3340         * config/sparc/sparc.c (function_arg_record_value_3): Revert
3341         to 'word_mode' once the first slot has been filled.
3342
3343 2004-01-22  Olivier Hainque  <hainque@act-europe.fr>
3344
3345         * config/sparc/sparc.c (function_arg_record_value_1): Fix
3346         computation of the number of integer registers required.
3347
3348 2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>
3349
3350         * config/i386/i386.md: Simplify certain comparisons of
3351         const_int.
3352
3353 2004-01-21  Andrew Pinski  <apinski@apple.com>
3354
3355         PR target/13785
3356         * config/rs6000/rs6000.md (call_value): Force operand
3357         1 not operand 0 into a register.
3358
3359 2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>
3360
3361         * cpperror.c, cpptrad.c, longlong.h, params.def, rtl.def,
3362         unwind-dw2-fde.h: Update copyright.
3363
3364 2004-01-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3365
3366         * pa-protos.h: Update copyright.
3367         * pa.h: Likewise.
3368         * pa.md: Likewise.
3369
3370 2004-01-21  Caroline Tice  <ctice@apple.com>
3371
3372         PR target/12308
3373         * config/i386/i386.md (fix_truncxfdi2): Add clause to clobber
3374         flags register.
3375         (fix_truncdfdi2): Likewise.
3376         (fix_truncsfdi2): Likewise.
3377         (*fix_truncdi_1): Likewise.
3378         (fix_truncxfsi2): Likewise.
3379         (fix_truncdfsi2): Likewise.
3380         (fix_truncsfsi2): Likewise.
3381         (*fix_truncsi_1): Likewise.
3382         (fix_truncxfhi2): Likewise.
3383         (fix_truncdfhi2): Likewise.
3384         (fix_truncsfhi2): Likewise.
3385         (*fix_trunchi_1): Likewise.
3386
3387 2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>
3388
3389         * alias.c, basic-block.h, c-common.c, c-common.h,
3390         c-cppbuiltin.c, c-opts.c, c-pragma.c, c-pretty-print.c,
3391         calls.c, cfg.c, cfgcleanup.c, cfgrtl.c, cgraph.h, collect2.c,
3392         combine.c, cppcharset.c, cpphash.h, cppinit.c, cpplib.c,
3393         cpplib.h, cppmacro.c, crtstuff.c, cselib.c, cselib.h,
3394         defaults.h, df.c, dominance.c, et-forest.c, expmed.c, expr.c,
3395         expr.h, fix-header.c, function.h, gcc.c, gcse.c, genattrtab.c,
3396         genautomata.c, genconditions.c, genemit.c, genflags.c,
3397         gengtype.c, gengtype.h, genopinit.c, genrecog.c, gensupport.c,
3398         ggc-zone.c, graph.c, haifa-sched.c, input.h, integrate.c,
3399         langhooks-def.h, langhooks.c, langhooks.h, line-map.c,
3400         line-map.h, local-alloc.c, optabs.c, optabs.h, postreload.c,
3401         ra.h, recog.c, reg-stack.c, regmove.c, reload.c, reorg.c,
3402         rtl.c, sched-deps.c, sched-ebb.c, sdbout.c, system.h,
3403         target.h, targhooks.c, toplev.h, tree-inline.c, unwind-pe.h,
3404         unwind.h, varray.c, varray.h: Update copyright.
3405
3406 2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>
3407
3408         * config/h8300/coff.h: Update copyright.
3409         * config/h8300/elf.h: Likewise.
3410         * config/h8300/h8300-protos.h: Likewise.
3411         * config/h8300/h8300.c: Likewise.
3412         * config/h8300/h8300.h: Likewise.
3413         * config/h8300/h8300.md: Likewise.
3414
3415 2004-01-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3416
3417         * fixinc/inclhack.def (hpux10_stdio_declarations, ultrix_const3,
3418         ultrix_locale, ultrix_stdlib, ultrix_strings, ultrix_sys_time,
3419         ultrix_unistd): New hacks.
3420         * fixinc/tests/base/stdio.h (HPUX10_STDIO_DECLARATIONS_CHECK,
3421         ULTRIX_CONST2_CHECK): Add checks.
3422         * fixinc/tests/base/stdlib.h (ULTRIX_STDLIB_CHECK): Likewise.
3423         * fixinc/tests/base/strings.h (ULTRIX_STRINGS2_CHECK): Likewise.
3424         * fixinc/tests/base/unistd.h (ULTRIX_UNISTD_CHECK): Likewise.
3425         * fixinc/tests/base/sys/time.h (ULTRIX_SYS_TIME_CHECK): Likewise.
3426         * fixinc/tests/base/locale.h: New file.
3427         * fixinc/fixincl.x: Rebuilt.
3428
3429 2004-01-21  Andreas Jaeger  <aj@suse.de>
3430             Michael Matz  <matz@suse.de>
3431
3432         * doc/extend.texi (Extended Asm): Clarify memory clobber.
3433
3434 2004-01-21  Jakub Jelinek  <jakub@redhat.com>
3435
3436         * crtstuff.c (frame_dummy, __do_global_ctors_1): Call
3437         _Jv_RegisterClasses through a function pointer.
3438
3439 2004-01-21  Falk Hueffner  <falk@debian.org>
3440
3441         PR target/12898
3442         * config/alpha/alpha.c (alpha_emit_set_const_1): If
3443         no_new_pseudos, use gen_rtx_SET directly for SImode constants
3444         which need multiple instructions to emit.
3445
3446 2004-01-21  Inaoka Kazuhiro  <inaoka.kazuhiro@renesas.com>
3447
3448         * config/m32r/m32r.h (CPP_SPEC): Define.
3449
3450 2004-01-21  Zack Weinberg  <zack@codesourcery.com>
3451
3452         * c-decl.c (merge_decls): Kill different_binding_level and
3453         different_tu arguments; simplify throughout.