gcc/ChangeLog

   1 2002-01-08  Zack Weinberg  <zack@codesourcery.com>
   2
   3         * Makefile.in (cs-tconfig.h): Don't depend on $(CONFIG_H) or
   4         except.h.  Remove commands to define USING_SJLJ_EXCEPTIONS.
   5         (cppinit.o): Depend on except.h.
   6         (gencheck.h, options.h, specs.h, s-gencheck, s-options,
   7         s-specs): New rules.
   8
   9         * configure.in: Don't AC_DEFINE_UNQUOTED PACKAGE or VERSION.
  10         Don't create specs.h/options.h/gencheck.h here.  Remove
  11         unnecessary variable settings from last argument of AC_OUTPUT.
  12         * config.in, configure: Regenerate.
  13         * intl.c: Hardcode package name as "gcc".
  14
  15         * cppinit.c: Include except.h.
  16         (builtin_array): Define __USING_SJLJ_EXCEPTIONS__ when
  17         appropriate.
  18         * unwind-dw2.c, unwind-sjlj.c, config/ia64/unwind-ia64.c:
  19         Use #if(n)def __USING_SJLJ_EXCEPTIONS, not #if
  20         (!)USING_SJLJ_EXCEPTIONS.
  21         * doc/cpp.texi: Document __USING_SJLJ_EXCEPTIONS__.
  22
  23 2002-01-08  Joseph S. Myers  <jsm28@cam.ac.uk>
  24
  25         * doc/tm.texi (ASM_OUTPUT_EH_REGION_BEG, ASM_OUTPUT_EH_REGION_END,
  26         ASM_OUTPUT_LABELREF_AS_INT, DOESNT_NEED_UNWINDER, EH_TABLE_LOOKUP,
  27         OBJC_SELECTORS_WITHOUT_LABELS, OMIT_EH_TABLE): Remove
  28         documentation of obsolete macros.
  29         * system.h: Poison these macros.
  30         * config/d30v/d30v.h, config/ns32k/encore.h,
  31         config/stormy16/stormy16.h: Remove definitions and commented out
  32         definitions of obsolete macros.
  33
  34 Tue Jan  8 15:56:41 2002  Nicola Pero  <nicola@brainstorm.co.uk>
  35
  36         * objc/objc-act.c (handle_class_ref): Mark the declaration of
  37         %sobjc_class_ref_%s as used - to prevent unwanted compiler
  38         warnings.
  39
  40 2002-01-08  Ulrich Weigand  <uweigand@de.ibm.com>
  41
  42         * config/s390/linux.h (ASM_OUTPUT_LABELREF): Remove.
  43         * config/s390/s390.c (s390_emit_epilog): Add REG_FRAME_RELATED_EXPR
  44         to insn adjusting stack/frame pointer.
  45         * config/s390/s390.md (reload_la_64, reload_la_31): Do not
  46         accept operands that cause the insn to be non-splittable.
  47
  48 2002-01-08  Graham Stott  <grahams@redhat.com>
  49
  50         * c-tree.h (C_TYPE_FIELDS_READONLY): Uppercase macro parameter.
  51         (C_TYPE_FIELDS_VOLATILE): Likewise.
  52         (C_TYPE_BEING_DEFINED): Likewise.
  53         (C_IS_RESERVED_WORD): Likewise.
  54         (C_TYPE_VARIABLE_SIZE): Likewise.
  55         (C_DECL_VARIABLE_SIZE): Likewise.
  56         (C_MISSING_PROTOTYPE_WARNED): Likewise.
  57         (C_SET_EXP_ORIGINAL_CODE): Likewise.
  58         (C_TYPEDEF_EXPLICITLY_SIGNED): Uppercase macro parameter and remove
  59         parenthesis.
  60         (C_DECL_ANTICIPATED): Likewise.
  61         (c_build_type_variant): Add parenthesis.
  62
  63 2002-01-08  Joseph S. Myers  <jsm28@cam.ac.uk>
  64
  65         * gcc.c (option_map): Remove --version.
  66         (process_command): Handle -fversion following the GNU Coding
  67         Standards.  Partially addresses PR other/704.
  68
  69 2002-01-08  Graham Stott  <grahams@redhat.com>
  70
  71         * combine.c (combine_instructions): Fix typo.
  72
  73 2002-01-08  Graham Stott  <grahams@redhat.com>
  74
  75         * debug.h: Use "tree" and "rtx" throughout.
  76
  77         * debug.c: Likewise.
  78
  79 2002-01-08  Nick Clifton  <nickc@cambridge.redhat.com>
  80
  81         * dbxout.c (dbxout_symbol_location): If a symbol ref is in the
  82         constant pool, use the pool's version of the symbol instead.
  83
  84 2002-01-07  Richard Henderson  <rth@redhat.com>
  85
  86         * regrename.c (find_oldest_value_reg): Ignore the value chain if
  87         the original register was copied in a mode with a fewer number of
  88         hard registers than the desired mode.
  89         (copyprop_hardreg_forward_1): Likewise.
  90         (debug_value_data): Fix loop test.
  91         * toplev.c (parse_options_and_default_flags): Reenable
  92         -fcprop-registers at -O1.
  93
  94 2002-01-07  Aldy Hernandez  <aldyh@redhat.com>
  95
  96         * config/rs6000/rs6000.c (bdesc_2arg): Add altivec predicates.
  97         (altivec_init_builtins): New node v4si_ftype_v16qi_v16qi.
  98
  99         * config/rs6000/rs6000.h (rs6000_builtins): Add enums for altivec
 100         predicates.
 101
 102         * config/rs6000/rs6000.md: Add altivec predicate patterns.
 103
 104 2002-01-07  John David Anglin  <dave@hiauly1.hia.nrc.ca>
 105
 106         * pa.c (FUNC_BEGIN_PROLOG_LABEL, current_function_number): Define.
 107         (pa_output_function_prologue): Output local label at the beginning of
 108         the prologue when profiling.
 109         (hppa_profile_hook): Use the local label rather than the function label.
 110         * pa.h (PROFILE_BEFORE_PROLOGUE): Define.
 111
 112 2002-01-07  Aldy Hernandez  <aldyh@redhat.com>
 113
 114         * config/rs6000/rs6000.c (print_operand): Remove extra space.
 115         (altivec_expand_unop_builtin): Fix thinko.
 116         (altivec_expand_binop_builtin): Same.
 117         (altivec_expand_ternop_builtin): Same.
 118         (altivec_expand_builtin): Same.
 119
 120 2002-01-07  Richard Henderson  <rth@redhat.com>
 121
 122         * config/rs6000/xcoff.h (ASM_FILE_START): Reverted to profile_flag.
 123
 124 2002-01-07  Jason Merrill  <jason@redhat.com>
 125
 126         * unwind-dw2.c (execute_cfa_program): Use < again.
 127
 128 2002-01-07  Jakub Jelinek  <jakub@redhat.com>
 129
 130         * predict.c (combine_predictions_for_insn): Avoid division by zero.
 131
 132 2002-01-07  Jakub Jelinek  <jakub@redhat.com>
 133
 134         * simplify-rtx.c (simplify_plus_minus): Bump n_ops for NOT.
 135         Don't allow -1 - x -> ~x simplifications in the first pass.
 136
 137 2002-01-07  Aldy Hernandez  <aldyh@redhat.com>
 138
 139         * rs6000.c (altivec_expand_ternop_builtin): Don't die on invalid
 140         arguments.
 141         (altivec_expand_binop_builtin): Same.
 142         (altivec_expand_unop_builtin): Same.
 143         (print_operand): Fix typo.
 144         (bdesc_1arg): Add vupk* variants.
 145
 146         * rs6000.h (rs6000_builtins): Add vupk* enums.
 147
 148         * rs6000.md: Add altivec_vupk* variants.
 149
 150 2002-01-07  Joseph S. Myers  <jsm28@cam.ac.uk>
 151
 152         * doc/gcc.texi, doc/gccint.texi, doc/cppinternals.texi,
 153         doc/install.texi, doc/invoke.texi, doc/rtl.texi: Update copyright
 154         and last update dates.
 155
 156 2002-01-07  Janis Johnson  <janis187@us.ibm.com>
 157
 158         * doc/rtl.texi (Flags): Clean up documentation of RTL flags
 159
 160 2002-01-07  Marek Michalkiewicz  <marekm@amelek.gda.pl>
 161
 162         * config/avr/avr.c (avr_mcu_types): Add new MCU types.
 163         * config/avr/avr.h (CPP_SPEC): Likewise.
 164         (LINK_SPEC): Likewise.
 165         (CRT_BINUTILS_SPECS): Likewise.
 166         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
 167         * doc/invoke.texi (AVR Options): Document them.
 168
 169 Mon Jan  7 11:59:34 CET 2002  Jan Hubicka  <jh@suse.cz>
 170
 171         * unroll.c (copy_loop_body): Always properly update JUMP_LABEL and
 172         LABEL_NUSES.
 173
 174 2002-01-07  Graham Stott  <grahams@redhat.com>
 175
 176         * config/i386/i386.h: Update copyright date.
 177         (HALF_PIC_PTR): Add parenthesis.
 178         (OPTIMIZATION_OPTIONS): Whitespace, add parenthesis and wrap.
 179         (CONSTANT_ALIGNMENT): Add parenthesis.
 180         (DATA_ALIGNMENT): Likewise.
 181         (LOCAL_ALIGNMENT): Likewise.
 182         (FUNCTION_ARG_BOUNDARY): Whitespace, add parenthesis and wrap.
 183         (IS_STACK_MODE): Uppercase macro parameter, add parenthesis and wrap.
 184         (CONDITIONAL_REGISTER_USAGE): Wrap in do {...} while (0).
 185         (HARD_REGNO_NREGS): Add paranethesis.
 186         (VALID_SSE_REG_MODE): Whitespace.
 187         (VALID_MMX_REG_MODE): Whitespace.
 188         (VALID_FP_MODE_P): Uppercase macros parameter and whitespace.
 189         (ix86_hard_regno_mode_ok): Add parenthesis.
 190         (HARD_REGNO_CALLER_SAVE_MODE): Whitespace.
 191         (RETURN_IN_MEMORY): Whitespace.
 192         (N_REG_CLASSES): Add parenthesis.
 193         (INTEGER_CLASS_P): Add parenthesis and wrap.
 194         (FLOAT_CLASS_P): Likewise.
 195         (SSE_CLASS_P): Likewise.
 196         (MMX_CLASS_P): Likewise.
 197         (MAYBE_INTEGER_CLASS_P): Likewise.
 198         (MAYBE_FLOAT_CLASS_P): Likewise.
 199         (MAYBE_SSE_CLASS_P): Likewise.
 200         (MAYBE_MMX_CLASS_P): Likewise.
 201         (Q_CLASS_P): Likewise.
 202         (GENERAL_REGNO_P): Uppercase macro parameter.
 203         (REX_INT_REGNO_P): Uppercase macro parameter and wrap.
 204         (FP_REGNO_P): Likewise.
 205         (ANY_FP_REGNO_P): Uppercase macro parameter.
 206         (SSE_REGNO_P): Likewise.
 207         (SSE_REGNO): Likewise.
 208         (SSE_REG_P): Likewise.
 209         (SSE_FLOAT_MODE_P): Likewise.
 210         (MMX_REGNO_P): Likewise.
 211         (MMX_REG_P):Likewise.
 212         (STACK_REG_P): Likewise.
 213         (NON_STACK_REG_P): Likewise.
 214         (STACK_TOP_P): Likewise.
 215         (CONVERT_HARD_REGISTER_TO_SSA_P): Add parenthesis.
 216         (PREFERRED_RELOAD_CLASS): Add parenthesis and whitespace.
 217         (SECONDARY_MEMORY_NEEDED): Likewise.
 218         (SECONDARY_OUTPUT_RELOAD_CLASS): Whitespace.
 219         (MD_ASM_CLOBBERS): Whitespace and wrap.
 220         (MUST_PASS_IN_STACK): Whitespace and wrap.
 221         (RETURN_POPS_ARGS): Add parenthesis.
 222         (INIT_CUMULATIVE_ARGS): Likewise.
 223         (FUNCTION_ARG): Likewise.
 224         (FUNCTION_OK_FOR_SIBCALL): Add parenthesis and whitespace.
 225         (SETUP_INCOMING_VARARGS): Likewise.
 226         (BUILD_VA_LIST_TYPE):  Add parenthesis.
 227         (EXPAND_BUILTIN_VA_START): Uppercase macro paremeters and add
 228         parenthsis.
 229         (EXPAND_BUILTIN_VA_ARG): Likewise.
 230         (FUNCTION_PROFILER): Wrap in do { ... } while (0) and add parenthesis.
 231         (INITIALIZE_TRAMPOLINE): Add parenthesis.
 232         (INITIAL_ELIMINATION_OFFSET): Likewise.
 233         (REGNO_OK_FOR_INDEX_P): Add parenthesis.
 234         (REGNO_OK_FOR_BASE_P): Likewise.
 235         (REGNO_OK_FOR_SIREG_P): Add parenthesis and wrap.
 236         (REGNO_OK_FOR_DIREG_P): Likewise.
 237         (REG_OK_FOR_INDEX_P): Whitespace.
 238         (REG_OK_FOR_BASE_P): Whitespace.
 239         (GO_IF_LEGITIMATE_ADDRESS): Wrap in do { ... } while (0) and add
 240         parenthesis.
 241         (FIND_BASE_TERM): Fix typo.
 242         (LEGITIMIZE_ADDRESS): Wrap in  { .. } while (0) and add parenthesis.
 243         (REWRITE_ADDRESS): Uppercase macro parameter and whitespace.
 244         (SYMBOLIC_CONST; Whitespace.
 245         (GO_IF_MODE_DEPENDENT_ADDRESS):Wrap in  { .. } while (0) and wrap.
 246         (ENCODE_SECTION_INFO): Whitespace.
 247         (FINALIZE_PIC): Remove do { ... } while (0).
 248         (PROMOTE_MODE): Wrap in do { ... } while (0).
 249         (CONST_COSTS): Whitespace.
 250         (RTX_COSTS): Add paramethesis, whitespace and wrap.
 251         (REGISTER_MOVE_COST): Add parenthesis.
 252         (MEMORY_MOVE_COST): Likewise.
 253         (EXTRA_CC_MODES): Whitespace.
 254         (SELECT_CC_MODE): Add parenthesis and whitespace.
 255         (DBX_REGISTER_NUMBER): Uppercase macro parameter and add parenthsis.
 256         (ASM_PREFERRED_EH_DATA_FORMAT): Add parenthesis and whitespace.
 257         (ASM_OUTPUT_LABEL): Add paramethesis.
 258         (ASM_OUTPUT_REG_PUSH): Add parenthesis and whitespace.
 259         (ASM_OUTPUT_REG_POP): Likewise.
 260         (ASM_OUTPUT_ADDR_VEC_ELT): Add parenthesis.
 261         (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
 262
 263         * config/i386/i386.c: Update copyright.
 264         (CHECK_STACK_LIMIT): Add parenthesis.
 265         (AT_BP): Uppercase macro parameter.
 266         (x86_64_int_parameter_registers): Constify.
 267         (x86_64_int_return_registers): Likewise.
 268         (ix86_compare_op0): Use rtx.
 269         (construct_container): Constify INTREG parameter.
 270         (function_arg): Use rtx.
 271
 272         * diagnostic.h: Update copyright date.
 273         (output_buffer_state): Add parenthesis.
 274         (output_buffer_format_args): Likewise.
 275
 276         * combine.c (combine_instructions): Replace XEXP (links, 0)
 277         with link.
 278
 279 2002-01-06  H.J. Lu <hjl@gnu.org>
 280
 281         * cfgcleanup.c (thread_jump): Fix 2 typos.
 282
 283 2002-01-06  Aldy Hernandez  <aldyh@redhat.com>
 284
 285         * config.gcc: Add support for --enable-altivec.
 286
 287 2002-01-06  Craig Rodrigues  <rodrigc@gcc.gnu.org>
 288
 289         * emit-rtl.c (gen_highpart): Add check for NULL_RTX.
 290
 291 2002-01-06  Jakub Jelinek  <jakub@redhat.com>
 292
 293         * objc/objc-act.c (handle_impent): Use assemble_variable to emit
 294         __objc_class_name_*.
 295
 296 2002-01-06  Craig Rodrigues  <rodrigc@gcc.gnu.org>
 297
 298         * doc/install.texi (sparcv9-*-solaris2*): Add documentation.
 299
 300 2002-01-06  Richard Henderson  <rth@redhat.com>
 301
 302         * reorg.c (emit_delay_sequence): Remove death notes, not merely
 303         nop them out.  Increment label reference count for REG_LABEL.
 304         (fill_slots_from_thread): Frob label reference count around
 305         delete_related_insns.
 306
 307 2002-01-05  Richard Henderson  <rth@redhat.com>
 308
 309         * cfgcleanup.c (try_forward_edges): Detect infinite loops while
 310         jump threading.
 311
 312 2002-01-05  Richard Henderson  <rth@redhat.com>
 313
 314         * c-decl.c (c_expand_body): Don't call outlining_inline_function.
 315         * integrate.c (output_inline_function): Likewise.
 316         * toplev.c (rest_of_compilation): Do it here instead.  Move call
 317         to remove_unnecessary_notes after emitting abstract instance.
 318         Force an emitted nested function to have its parent emited as well.
 319         * dwarf2out.c (loc_descriptor_from_tree): Read mode after checking
 320         for null.
 321         (rtl_for_decl_location): Do not look at reload data structures
 322         before reload has run.
 323
 324 2002-01-05  Kazu Hirata  <kazu@hxi.com>
 325
 326         * cse.c: Fix formatting.
 327         * dwarf2asm.c: Likewise.
 328         * dwarf2out.c: Likewise.
 329         * explow.c: Likewise.
 330         * expmed.c: Likewise.
 331         * function.c: Likewise.
 332         * gcov.c: Likewise.
 333         * gencheck.c: Likewise.
 334         * genrecog.c: Likewise.
 335         * ggc-common.c: Likewise.
 336         * ggc-page.c: Likewise.
 337         * global.c: Likewise.
 338
 339 2002-01-05  Kazu Hirata  <kazu@hxi.com>
 340
 341         * combine.c: Fix formatting.
 342
 343 2002-01-05  Craig Rodrigues  <crodrigu@bbn.com>
 344
 345         PR middle-end/1557
 346         * config/ia64/ia64.h (RENAME_EXTENDED_BLOCKS): Remove.
 347
 348 2002-01-05  David Edelsohn  <edelsohn@gnu.org>
 349
 350         * config/rs6000/rs6000.h (TARGET_POWERPC): For IN_LIBGCC2, define
 351         as 1 for __powerpc64__ as well.
 352
 353         * config/rs6000/t-aix43 (T_ADAFLAGS): Define.
 354
 355         * alias.c (find_base_value, PLUS/MINUS): If we found a base,
 356         return it.
 357
 358 2002-01-05  Daniel Berlin  <dan@dberlin.org>
 359
 360         * lcm.c: Revert change, due to performance regression it causes on
 361         SPEC because it's slightly more conservative (sigh, I hate
 362         edge-based LCM).
 363
 364 Sat Jan  5 11:52:05 CET 2002  Jan Hubicka  <jh@suse.cz>
 365
 366         * cfgcleanup.c (try_forward_edges): Allow multiple jump threading.
 367
 368 2002-01-05  Neil Booth  <neil@daikokuya.demon.co.uk>
 369
 370         * doc/cppinternals.texi: Update.
 371
 372 2002-01-05  Hans-Peter Nilsson  <hp@bitrange.com>
 373
 374         * doc/invoke.texi (Option Summary) <MMIX Options>: Document
 375         -mbranch-predict, -mreg-stack-fill-bug-workaround and their
 376         negatives.
 377         (MMIX Options): Ditto.  Fix item/itemx typo for -mno-zero-extend.
 378         * config/mmix/mmix.c (mmix_target_asm_function_prologue): Rework
 379         kludge for pre-october-14th mmix versions to handle new-found bug
 380         with PUSHJ/PUSHGO and the register stack.
 381         * config/mmix/mmix.h (struct machine_function): Rename member
 382         has_call_value_without_parameters to has_call_without_parameters.
 383         All referers changed.
 384         (TARGET_MASK_REG_STACK_FILL_BUG, TARGET_DEFAULT
 385         TARGET_MASK_BRANCH_PREDICT): New macros.
 386         (TARGET_SWITCHES): New options -mreg-stack-fill-bug-workaround,
 387         -mno-reg-stack-fill-bug-workaround.
 388         * config/mmix/mmix.md ("call"): Set struct machine member
 389         has_call_without_parameters.
 390
 391 Sat Jan  5 02:20:22 CET 2002  Jan Hubicka  <jh@suse.cz>
 392
 393         * cfgcleanup.c (thread_jump): Fix handling of reversed branches.
 394
 395 Sat Jan  5 01:35:29 CET 2002  Jan Hubicka  <jh@suse.cz>
 396
 397         * cfgcleanup.c: Include tm_p.h
 398         (mark_effect): Fix handling of hard register; fix handling of SET
 399
 400 2002-01-04  Kazu Hirata  <kazu@hxi.com>
 401
 402         * config/h8300/h8300.md (anonymous patterns): Check that
 403         operands are registers before using REGNO on them.
 404
 405 2002-01-03  Roland McGrath  <roland@frob.com>
 406
 407         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcall-gnu.
 408
 409 2002-01-04  Jakub Jelinek  <jakub@redhat.com>
 410
 411         * tree.h (expand_expr_stmt_value): Add maybe_last argument.
 412         * c-common.h (genrtl_expr_stmt_value): Likewise.
 413         * stmt.c (expand_expr_stmt): Pass 1 as maybe_last.
 414         (expand_expr_stmt_value): Add maybe_last argument.
 415         Don't warn about statement with no effect if it is the last statement
 416         in expression statement.
 417         * c-semantics.c (genrtl_expr_stmt): Pass 1 as maybe_last.
 418         (genrtl_expr_stmt_value): Add maybe_last argument, pass it down to
 419         expand_expr_stmt_value.
 420         (expand_stmt) [EXPR_STMT]: Pass 1 as maybe_last to
 421         genrtl_expr_stmt_value if t is the last EXPR_STMT in its scope.
 422         * expr.c (expand_expr) [LABELED_BLOCK_EXPR, LOOP_EXPR]: Pass 1
 423         as maybe_last to expand_expr_stmt_value.
 424
 425 Fri Jan  4 11:45:05 2002  Jeffrey A Law  (law@redhat.com)
 426
 427         * c-common.c (c_expand_start_cond): Expect the IF_STMT node to
 428         be passed in, do not build it.
 429         (c_begin_if_stmt): New function.
 430         (c_begin_while_stmt, c_finish_while_stmt_cond): Likewise.
 431         * c-common.h (c_expand_start_cond): Update prototype.
 432         (c_begin_if_stmt): Prototype new function.
 433         (c_begin_while_stmt, c_finish_while_stmt_cond): Likewise.
 434         * c-parse.in (if_prefix): Use c_begin_if_stmt,
 435         c_begin_while_stmt and c_finish_while_stmt_cond.
 436
 437 2002-01-04  William Cohen  <wcohen@redhat.com>
 438
 439         * config/pa/elf.h (ASM_FILE_START): Reverted to profile_flag.
 440         * config/pa/pa-linux.h (ASM_FILE_START): Likewise.
 441         * config/pa/pa64-hpux.h (ASM_FILE_START): Likewise.
 442         * config/pa/som.h (ASM_FILE_START): Likewise.
 443
 444 2001-01-04  Daniel Berlin  <dan@cgsoftware.com>
 445
 446         * lcm.c: Include df.h.
 447         Add available_transfer_function prototype.
 448         (compute_available): Rework to use iterative dataflow framework.
 449         (struct bb_info): s/bb_info/lcm_bb_info/g to avoid conflict
 450         with bb_info in df.h
 451         (available_transfer_function): New function.
 452
 453         * Makefile.in (lcm.o): add df.h to dependencies.
 454
 455 2002-01-04  Richard Henderson  <rth@redhat.com>
 456
 457         * config/alpha/alpha.c (some_operand): Accept HIGH.
 458         (input_operand): Likewise; accept simple references to globals.
 459         (alpha_const_ok_for_letter_p): New, outlined from alpha.h.
 460         (alpha_const_double_ok_for_letter_p): Likewise.
 461         (alpha_extra_constraint): Likewise.
 462         (alpha_preferred_reload_class): Likewise.  Do not force
 463         symbolic constants to memory.
 464         (alpha_legitimate_address_p): Accept simple references
 465         to small_symbolic_operand.
 466         (alpha_legitimize_address): New arg scratch.  Be prepared to be
 467         called when no_new_pseudos.  Emit simple symbolic references.
 468         Split integers into low, high, and rest.
 469         (alpha_expand_mov): Use alpha_legitimize_address.
 470         (some_small_symbolic_mem_operand): New.
 471         (split_small_symbolic_mem_operand): New.
 472         * config/alpha/alpha-protos.h: Update.
 473         * config/alpha/alpha.h (CONST_OK_FOR_LETTER_P): Out-line.
 474         (CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
 475         (EXTRA_CONSTRAINT): Likewise.
 476         (PREFERRED_RELOAD_CLASS): Likewise.
 477         (LEGITIMIZE_ADDRESS): Update for alpha_legitimize_address change.
 478         (PREDICATE_CODES): Update.
 479         * config/alpha/alpha.md: New post-reload splitters to convert
 480         simplfied symbolic operands to the form that references $29.
 481         (divide expanders): Use emit_move_insn, not gen_movdi_er_high_g.
 482         (movdi_er_nofix, movdi_er_fix): Accept any symbolic operand.
 483
 484 2002-01-03  Richard Henderson  <rth@redhat.com>
 485
 486         * local-alloc.c (function_invariant_p): Update commentary.
 487
 488 2002-01-04  H.J. Lu <hjl@gnu.org>
 489
 490         * toplev.c (rest_of_compilation): Fix a typo when calling
 491         cleanup_cfg.
 492
 493 2002-01-03  Kazu Hirata  <kazu@hxi.com>
 494
 495         * c-common.c: Fix formatting.
 496         * diagnostic.c: Likewise.
 497         * doloop.c: Likewise.
 498         * dwarf2out.c: Likewise.
 499
 500 2002-01-03  Kazu Hirata  <kazu@hxi.com>
 501
 502         * config/h8300/h8300.c (output_logical_op): Use 'not.w' instead
 503         of 'neg.w' when xoring with 0x0000ffff or 0xffff0000.
 504
 505 2002-01-03  Neil Booth  <neil@daikokuya.demon.co.uk>
 506
 507         * cpperror.c: Update comments and copyright.
 508         * cppexp.c, cppfiles.c, cpphash.c, cpphash.h, cppinit.c,
 509         cpplex.c, cpplib.c, cpplib.h, cppmacro.c, cppmain.c: Similarly.
 510
 511 2002-01-03  John David Anglin  <dave@hiauly1.hia.nrc.ca>
 512
 513         * collect2.c (main): Use strcmp when testing for "-shared".
 514
 515 2002-01-03  Neil Booth  <neil@daikokuya.demon.co.uk>
 516
 517         * cppmacro.c: Don't include intl.h.  Update comments.
 518         (new_number_token): Allocate enough buffer for 64-bit unsigned
 519         integers; update prototype.
 520         * cppmain.c: Update comments.
 521
 522 2002-01-03  William Cohen  <wcohen@redhat.com>
 523
 524         * function.h (struct function): Add profile.
 525         (current_function_profile): New.
 526         doc/extend.texi: Update documentation.
 527         * final.c (final_start_function): Use current_function_profile
 528         instead of profile_flag.
 529         (profile_after_prologue): Likewise.
 530         * function.c (expand_function_start): Likewise.
 531         (expand_function_start): Likewise.
 532         * config/alpha/alpha.c (direct_call_operand):
 533         (alpha_does_function_need_gp): Likewise.
 534         (alpha_expand_prologue): Likewise.
 535         * config/arm/arm.c (arm_expand_prologue): Likewise.
 536         thumb_expand_prologue: Likewise.
 537         * config/d30v/d30v.c (d30v_stack_info): Likewise.
 538         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Likewise.
 539         (fr30_expand_prologue): Likewise.
 540         * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
 541         * config/i386/i386.c (ix86_osf_output_function_prologue): Likewise.
 542         * config/i386/i386.h (FINALIZE_PIC): Likewise.
 543         * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
 544         * config/i960/i960.c (i960_output_function_prologue): Likewise.
 545         * config/ia64/ia64.c (ia64_compute_frame_size): Likewise.
 546         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Likewise.
 547         (m32r_expand_prologue): Likewise.
 548         * config/m88k/m88k.c (m88k_layout_frame): Likewise.
 549         (m88k_expand_prologue): Likewise.
 550         * config/m88k/m88k.h (ADJUST_INSN_LENGTH): Likewise.
 551         * config/mips/mips.c (compute_frame_size): Likewise.
 552         (mips_expand_prologue): Likewise.
 553         (mips_can_use_return_insn): Likewise.
 554         * config/pa/elf.h (ASM_FILE_START): Likewise.
 555         * config/pa/pa-linux.h (ASM_FILE_START): Likewise.
 556         * config/pa/pa64-hpux.h (ASM_FILE_START): Likewise.
 557         * config/pa/som.h (ASM_FILE_START): Likewise.
 558         * config/romp/romp.c (romp_using_r14): Likewise.
 559         * config/rs6000/rs6000.c (first_reg_to_save): Likewise.
 560         (rs6000_stack_info): Likewise.
 561         * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
 562         * config/rs6000/xcoff.h (ASM_FILE_START): Likewise.
 563         * config/v850/v850.c (compute_register_save_size): Likewise.
 564
 565 2002-01-03  Jakub Jelinek  <jakub@redhat.com>
 566
 567         * simplify-rtx.c (simplify_binary_operation) [DIV]: If
 568         gen_lowpart_common fails, use gen_lowpart_SUBREG.
 569
 570 2002-01-03  Turly O'Connor  <turly@apple.com>
 571
 572         * darwin.c (machopic_output_possible_stub_label): Don't generate
 573         stub routines for pseudo-stubs which we've just defined.
 574
 575 2002-01-03  Kazu Hirata  <kazu@hxi.com>
 576
 577         * builtins.c: Fix formatting.
 578         * c-typeck.c: Likewise.
 579         * combine.c: Likewise.
 580         * expr.c: Likewise.
 581         * loop.c: Likewise.
 582
 583 2002-01-03  Andreas Schwab  <schwab@suse.de>
 584
 585         * cppfiles.c (_cpp_pop_file_buffer): Change return type to bool
 586         and return true if _cpp_push_next_buffer pushed a new include
 587         file.
 588         * cpplib.c (_cpp_pop_buffer): Only call obstack_free if
 589         _cpp_pop_file_buffer did not push a new file.
 590         * cpphash.h (_cpp_pop_file_buffer): Update declaration.
 591
 592 2002-01-02  Eric Christopher  <echristo@redhat.com>
 593
 594         * final.c (final_scan_insn): Change 0 -> NULL_RTX in
 595         FIND_REG_INC_NOTE call. Update copyright.
 596         * loop.c (canonicalize_condition): Ditto.
 597         * reorg.c (delete_scheduled_jump): Ditto.
 598
 599 2002-01-03  Kazu Hirata  <kazu@hxi.com>
 600
 601         * gcse.c: Fix formatting.
 602
 603 2002-01-03  Graham Stott  <grahams@redhat.com>
 604
 605         * mkconfig.sh: Output to config.h, hconfig.h and tconfig.h
 606         forward defs for struct tags rtx_def, union_tree, rtvec_def
 607         also output corresponding typedefs for rtx, tree, and rtvec.
 608
 609         * system.h: Move forward defs for struct tags rtx_def, union_tree,
 610         rtvec_def along with corresponding typedefs for rtx, tree, and
 611         rtvec to config.h, hconfig.h, tconfig.h.
 612
 613 2002-01-03  Graham Stott  <grahams@redhat.com>
 614
 615         * tree.h: Update copyright date.
 616         (IS_EXPR_CODE_CLASS): Add parenthesis.
 617         (TREE_SET_CODE): Add whitespace.
 618         (TREE_CHECK): Add parenthesis.
 619         (TREE_CLASS_CODE): Add parenthesis and wrap long line.
 620         (CST_OR_CONSTRUCTOR_CHECK):
 621         (EXPR_CHECK): Add parenthis, whitespace and wrap line.
 622         (TREE_SYMBOL_REFERENCED): Whitespace.
 623         (INT_CST_LT): Likewise.
 624         (INT_CST_LT_UNSIGNED): Likewise.
 625         (tree_real_cst): Unwrap comment.
 626         (tree_string): Likewise.
 627         (tree_complex): Likewise.
 628         (IDENTIFIER_POINTER): correct cast.
 629         (SAVE_EXPR_CONTEXT): Whitespace.
 630         (EXPR_WFL_FILENAME_NODE): Likewise.
 631         (EXPR_WFL_FILENAME): Remove parenthesis.
 632         (DECL_ORIGIN): Add parenthesis.
 633         (DECL_FROM_INLINE): Use NULL_TREE.
 634         (build_int_2): Whitespace.
 635         (build_type_variant): Add parenthesis.
 636
 637         * gcc/jcf-parse.c: Update copyright date.
 638         (yyparse): Constify resource_filename.
 639
 640 2002-01-03  Graham Stott  <grahams@redhat.com>
 641
 642         * rtl.h: Update copyright date.
 643         (RTL_CHECK1): Wrap long line.
 644         (RTL_CHECK2): Likewise.
 645         (RTL_CHECKC1): Wrap long line and whitespace.
 646         (RTL_CHECKC2): Likewise.
 647         (XWINT): Whitespace.
 648         (XINT): Likewise.
 649         (XSTR): Likewise.
 650         (XEXP): Likewise.
 651         (XVEC): Likewise.
 652         (XMODE): Likewise.
 653         (XBITMAP): Likewise.
 654         (XTREE): Likewise.
 655         (XBBDEF): Likewise.
 656         (XTMPL): Likewise.
 657         (X0WINT): Likewise.
 658         (X0INT):Likewise.
 659         (X0UINT): Likewise.
 660         (X0STR): Likewise.
 661         (X0EXP): Likewise.
 662         (X0VEC): Likewise.
 663         (X0MODE): Likewise.
 664         (X0BITMAP): Likewise.
 665         (X0TREE): Likewise.
 666         (X0BBDEF): Likewise.
 667         (X0ADVFLAGS): Likewise.
 668         (X0CSELIB): Likewise.
 669         (X0MEMATTR): Likewise.
 670         (XCWINT): Likewise.
 671         (XCINT): Likewise.
 672         (XCUINT): Likewise.
 673         (XCSTR): Likewise.
 674         (XCEXP): Likewise.
 675         (XCVEC): Likewise.
 676         (XCMODE): Likewise.
 677         (XCBITMAP): Likewise.
 678         (XCTREE): Likewise.
 679         (XCBBDEF): Likewise.
 680         (XCADVFLAGS): Likewise.
 681         (XCCSELIB): Likewise.
 682         (XC2EXP): Likewise.
 683         (INSN_UID): Likewise.
 684         (PREV_INSN): Likewise.
 685         (PATTERN): Likewise.
 686         (INSN_CODE): Likewise.
 687         (PUT_REG_NOTE_KIND): Likewise.
 688         (CODE_LABEL_NUMBER): Likewise.
 689         (NOTE_SOURCE_FILE): Likewise.
 690         (NOTE_BLOCK): Likewise.
 691         (NOTE_EH_HANDLER): Likewise.
 692         (NOTE_RANGE_INFO): Likewise.
 693         (NOTE_LIVE_INFO): Likewise.
 694         (NOTE_BASIC_BLOCK): Likewise.
 695         (NOTE_EXPECTED_VALUE): Likewise.
 696         (NOTE_LINE_NUMBER): Likewise.
 697         (LABEL_NAME): Likewise.
 698         (LABEL_NUSES): Likewise.
 699         (LABEL_ALTERNATE_NAME): Likewise.
 700         (ADDRESSOF_DECL): Likewise.
 701         (JUMP_LABEL): Likewise.
 702         (LABEL_NEXTREF): Likewise.
 703         (REGNO): Likewise.
 704         (ORIGINAL_REGNO: Likewise.
 705         (HARD_REGISTER_NUM_P): Add parenthesis.
 706         (SUBREG_REG): Whitespace.
 707         (SUBREG_BYTE): Likewise.
 708         (ASM_OPERANDS_TEMPLATE): Remove parenthesis.
 709         (ASM_OPERANDS_OUTPUT_CONSTRAINT): Likewise.
 710         (ASM_OPERANDS_OUTPUT_IDX): Likewise.
 711         (ASM_OPERANDS_INPUT_VEC): Likewise.
 712         (ASM_OPERANDS_INPUT_CONSTRAINT_VEC): Likewise.
 713         (ASM_OPERANDS_INPUT): Likewise.
 714         (ASM_OPERANDS_INPUT_LENGTH): Likewise.
 715         (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): Likewise.
 716         (ASM_OPERANDS_INPUT_CONSTRAINT): Likewise.
 717         (ASM_OPERANDS_INPUT_MODE): Likewise.
 718         (ASM_OPERANDS_SOURCE_FILE): Likewise.
 719         (ASM_OPERANDS_SOURCE_LINE): Likewise.
 720         (MEM_SET_IN_STRUCT_P): Minor reformat.
 721         (TRAP_CONDITION): Whitespace.
 722         (TRAP_CODE): Likewise.
 723         (COND_EXEC_TEST): Likewise.
 724         (COND_EXEC_CODE): Likewise.
 725         (FIND_REG_INC_NOTE): Uppercase macro args and add parenthesis.
 726         (PHI_NODE_P): Add parenthesis.
 727         (plus_constant): Whitespace and add parenthesis.
 728
 729 2002-01-03  Kazu Hirata  <kazu@hxi.com>
 730
 731         * config/avr/avr.c: Fix comment typos.
 732         * config/c4x/c4x.md: Likewise.
 733         * config/dsp16xx/dsp16xx.h: Likewise.
 734         * config/dsp16xx/dsp16xx.md: Likewise.
 735         * config/i386/i386.md: Likewise.
 736         * config/ia64/ia64.c: Likewise.
 737         * config/m32r/m32r.h: Likewise.
 738         * config/m68hc11/m68hc11.md: Likewise.
 739         * config/mmix/mmix.c: Likewise.
 740         * config/mn10200/mn10200.c: Likewise.
 741         * config/romp/romp.c: Likewise.
 742         * config/sh/sh.c: Likewise.
 743         * config/stormy16/stormy16.c: Likewise.
 744         * config/stormy16/stormy16.h: Likewise.
 745         * config/stormy16/stormy16.md: Likewise.
 746
 747 2002-01-03  Graham Stott  <grahams@redhat.com>
 748
 749         * loop.h: Update copyright date.
 750         (LOOP_MOVABLES): Fix typo.
 751         (LOOP_REGS): Likewise.
 752         (LOOP_IVS): Likewise.
 753
 754 2002-01-03  Graham Stott  <grahams@redhat.com>
 755
 756         * cppinit.c: Update copyright date.
 757         Don't include output.h
 758         * Makefile.in: Update copyright date.
 759         Update dependency.
 760
 761 2002-01-02  Craig Rodrigues  <rodrigc@gcc.gnu.org>
 762
 763         PR c/5226
 764         * invoke.texi (-mthreads): Remove from documented RS/6000 options.
 765         (-pthread) Add to RS/6000 options.
 766
 767 2002-01-02  Kazu Hirata  <kazu@hxi.com>
 768
 769         * except.c: Fix comment typos.
 770         * loop.c: Likewise.
 771         * varasm.c: Likewise.
 772         * doc/tm.texi: Fix a typo.
 773
 774 2002-01-02  Jakub Jelinek  <jakub@redhat.com>
 775
 776         * c-typeck.c (output_init_element): Allow initializing static storage
 777         duration objects with compound literals.
 778
 779 2002-01-02  Richard Henderson  <rth@redhat.com>
 780
 781         * objc/objc-act.c (hack_method_prototype): Clear current_function_decl
 782         after abusing it.
 783
 784 2002-01-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 785
 786         * gcc.c (default_compilers): Const-ify.
 787         * mips-tdump.c (stab_names): Likewise.
 788         * mips-tfile.c (map_coff_types, map_coff_storage,
 789         map_coff_sym_type, map_coff_derived_type, stabs_symbol,
 790         pseudo_ops_t, pseudo_ops): Likewise.
 791         * protoize.c (default_include): Likewise
 792
 793         * real.c (GET_REAL, PUT_REAL): Don't cast away const-ness.
 794         (ezero, ehalf, eone, etwo, e32, elog2, esqrt2, epi): Const-ify.
 795         Add array size in declaration.
 796         (endian, emov, eisneg, eisinf, eisnan, eiisnan, eiisneg, emovi,
 797         emovo, emovz, eiisinf, ecmpm, eaddm, esubm, m16m, edivm, emulm,
 798         esub, eadd, eadd1, ediv, emul, e53toe, e64toe, e113toe, e24toe,
 799         etoe113, etoe64, etoe53, etoe24, ecmp, eround, ltoe, ultoe,
 800         eifrac, euifrac, e24toasc, e53toasc, e64toasc, e113toasc, etoasc,
 801         efloor, efrexp, eldexp, eremain, dectoe, etodec, ibmtoe, etoibm,
 802         c4xtoe, etoc4x, uditoe, ditoe, etoudi, etodi, esqrt, etens,
 803         emtens, make_nan): Const-ify.
 804         (TFbignan, TFlittlenan, XFbignan, XFlittlenan, DFbignan,
 805         DFlittlenan, SFbignan, SFlittlenan): Make static and const-ify.
 806
 807 2002-01-02  Joseph S. Myers  <jsm28@cam.ac.uk>
 808
 809         * config.gcc (ia64-*-*): Set extra_headers.
 810         (alpha*-dec-osf*): Likewise.  Don't use alpha/t-osf.
 811         * config/alpha/t-osf: Remove.
 812         * config/ia64/t-ia64 (EXTRA_HEADERS): Remove.
 813
 814 2002-01-02  David Edelsohn  <edelsohn@gnu.org>
 815
 816         * config/rs6000/t-aix43: Revert previous change.
 817
 818 2002-01-02  Jason Merrill  <jason@redhat.com>
 819
 820         * c-decl.c (c_expand_body): Call outlining_inline_function when
 821         emitting an inline function out of line.
 822
 823 2002-01-02  Richard Henderson  <rth@redhat.com>
 824
 825         * dwarf2out.c (limbo_die_node): Add created_for member.
 826         (new_die): New argument created_for.  Update all callers.
 827         (mark_limbo_die_list): New.
 828         (dwarf2out_init): Register limbo_die_list as a root.
 829         (dwarf2out_finish): Force insert limbo dies into their function
 830         context.
 831
 832 2002-01-02  Nathan Sidwell  <nathan@codesourcery.com>
 833
 834         PR c++/5089
 835         * doc/invoke.texi (-Wold-style-cast): Only warn about non-void casts.
 836
 837 2002-01-02  Kazu Hirata  <kazu@hxi.com>
 838
 839         * config/h8300/fixunssfsi.c: Update copyright.
 840         Fix comment typos.
 841         Fix formatting.
 842         * config/h8300/h8300.c: Update copyright.
 843         Eliminate warnings.
 844
 845 2002-01-02  Kazu Hirata  <kazu@hxi.com>
 846
 847         * config/romp/romp.c: Fix comment formatting.
 848         * config/romp/romp.h: Likewise.
 849         * config/romp/romp.md: Likewise.
 850         * config/s390/s390.c: Likewise.
 851         * config/stormy16/stormy16.c: Likewise.
 852         * config/stormy16/stormy16.h: Likewise.
 853
 854 2002-01-02  Alexandre Oliva  <aoliva@redhat.com>
 855
 856         * c-common.h (genrtl_expr_stmt_value): Declare.
 857         * c-semantics.c (genrtl_goto_stmt): Redirect to...
 858         (genrtl_goto_stmt_value): ... this new function.  Pass new
 859         argument down to expand_expr_stmt_value, taking
 860         TREE_ADDRESSABLE into account.
 861         * c-common.c (c_expand_expr): Mark the last EXPR_STMT of a
 862         STMT_EXPR as addressable, i.e., one whose result we want.
 863         * expr.c (expand_expr): Don't save expression statement value
 864         of labeled_blocks or loop_exprs.
 865         * stmt.c (expand_expr_stmt): Redirect to...
 866         (expand_expr_stmt_value): ... this new function.  Use new
 867         argument to tell whether to save expression value.
 868         (expand_end_stmt_expr): Reset last_expr_type and
 869         last_expr_value if we don't have either.
 870         * tree-inline.c (declare_return_variable): Mark its use
 871         statement as addressable.
 872         * tree.h: Document new use of TREE_ADDRESSABLE.
 873         (expand_expr_stmt_value): Declare.
 874
 875 2002-01-01  Tom Rix  <trix@redhat.com>
 876
 877         * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Fix for use by
 878         rs6000_emit_allocate_stack.
 879
 880 2002-01-01  Joseph S. Myers  <jsm28@cam.ac.uk>
 881
 882         * configure.in: Prepend ${srcdir}/config/${cpu_type}/ instead of
 883         ${srcdir}/ginclude/ to every entry in extra_headers.
 884         * configure: Regenerate.
 885         * ginclude/math-3300.h: Rename to config/m68k/math-3300.h.
 886         * ginclude/math-68881.h: Rename to config/m68k/math-68881.h.
 887         * ginclude/ppc-asm.h: Rename to config/rs6000/ppc-asm.h.
 888         * ginclude/proto.h: Rename to config/convex/proto.h.
 889
 890 Tue Jan  1 17:12:56 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 891
 892         * attribs.c (handle_vector_size_attribute): Use host_integerp
 893         and tree_int_cst; remove warnings.
 894         * caller-save.c (insert_restore): Add cast to get rid of warning.
 895         (insert_save): Likewise.
 896         * emit-rtl.c (adjust_address_1, offset_address): Likewise.
 897         * regmove.c (find_matches): Add temporary var to kill a warning.
 898
 899 2002-01-01  Douglas B Rupp  <rupp@gnat.com>
 900
 901         * config/alpha/vms.h (DWARF2_UNWIND_INFO, EH_RETURN_HANDLER_RTX,
 902         LINK_EH_SPEC, MD_FALLBACK_FRAME_STATE_FOR): Define.
 903         * config/alpha/t-vms (EXTRA_PARTS): Add vms-dwarf2eh.o
 904         (vms-dwarf2eh.o): Add Makefile rule.
 905         * config/alpha/vms-ld.c (main): Handle vms-dwarf2eh.o.
 906         * config/alpha/vms-dwarf2eh.asm: New file.
 907
 908         * gcc.c (delete_if_ordinary): Delete all versions.
 909
 910 2002-01-01  Hans-Peter Nilsson  <hp@bitrange.com>
 911
 912         * config/mmix/mmix.md: Update FIXME to not mention
 913         define_constants.
 914         (MMIX_rJ_REGNUM): New define_constants constant.
 915         ("movqi", "movsi", "movdi", "*movdicc_real_foldable",
 916         "*movdicc_real"): Adjust contraints formatting.
 917         ("*bCC_foldable"): Add %+ for P in output format and delete FIXME
 918         for branch prediction.
 919         ("*bCC", "*bCC_inverted_foldable", "*bCC_inverted"): Add %+ in
 920         output template.
 921         ("*call_real", "*call_value_real", "nonlocal_goto_receiver",
 922         "*nonlocal_goto_receiver_expanded"): Use MMIX_rJ_REGNUM instead of
 923         number.  Delete related FIXMEs.
 924         * config/mmix/mmix.h (MMIX_INCOMING_RETURN_ADDRESS_REGNUM): Change
 925         from number to MMIX_rJ_REGNUM.
 926         (TARGET_MASK_BRANCH_PREDICT): New.
 927         (TARGET_DEFAULT): Change to TARGET_MASK_BRANCH_PREDICT.
 928         (TARGET_SWITCHES): Update comment.  Correct -mno-toplevel-symbols
 929         value.  Add -mbranch-predict and -mno-branch-predict.
 930         (TARGET_VERSION): Drop date.
 931         (ADDITIONAL_REGISTER_NAMES): Use MMIX_rJ_REGNUM, not number.
 932         * config/mmix/mmix.c (mmix_encode_section_info): Correct condition
 933         for finding out global symbols.
 934         (mmix_asm_output_labelref): Revert condition for global symbol.
 935         (mmix_print_operand): <case '+'>: Emit P for a likely branch.
 936         (mmix_print_operand_punct_valid_p): A '+' is valid.
 937
 938 See ChangeLog.6 for earlier changes.