gcc/ChangeLog

   1 2001-01-31  Richard Henderson  <rth@redhat.com>
   2
   3         * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
   4         * config/float-i32.h: Likewise.
   5         * config/float-i64.h: Likewise.
   6         * config/float-sh.h: Likewise.
   7         * config/float-sparc.h: Likewise.
   8
   9 2001-01-31  DJ Delorie  <dj@redhat.com>
  10
  11         * expmed.c (extract_bit_field): allow non-integral modes if we
  12         want to extract a whole register from itself.
  13
  14 2001-01-31  Jakub Jelinek  <jakub@redhat.com>
  15
  16         * c-typeck.c (set_init_index): If first is equal to last, assume as
  17         if it was not a range at all.
  18
  19 2001-01-31  Alexandre Oliva  <aoliva@redhat.com>
  20
  21         * config/fp-bit.c: Include tm.h.
  22         (float_to_si): Don't assume SImode is 32-bits wide.
  23         (float_to_usi): Likewise.
  24
  25 2001-01-31  Joseph S. Myers  <jsm28@cam.ac.uk>
  26
  27         * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
  28         incomplete type.
  29         (typename): Call pending_xref_error after parsing typed_typespecs.
  30         * c-decl.c (lookup_tag): Give error immediately rather than
  31         leaving it pending if the tag of the wrong type is in the same
  32         binding level.
  33         (xref_tag): Don't pedwarn for forward declarations of enum types
  34         here.
  35         * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
  36         and enum tags.
  37
  38 2001-01-31  Alexandre Oliva  <aoliva@redhat.com>
  39
  40         * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
  41
  42 2001-01-31  Neil Booth  <neil@daikokuya.demon.co.uk>
  43
  44         * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
  45         (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
  46
  47 2001-01-31  Neil Booth  <neil@daikokuya.demon.co.uk>
  48
  49         * cpphash.h (struct cpp_reader): New saved_flags.
  50         * cppmacro.c (cpp_get_token): Use saved_flags to remember
  51         to avoid a paste after a pasted token.
  52
  53 2001-01-31  Alexandre Oliva  <aoliva@redhat.com>
  54
  55         * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
  56         * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
  57         Wtype_MIN instead of LONG_MIN.
  58
  59 2001-01-30  Jeffrey Oldham  <oldham@codesourcery.com>
  60
  61         * fixinc/fixincl.tpl: Add 2001 to copyright.  Change name of
  62         README file.
  63         * fixinc/fixincl.x: Regenerated.
  64         * fixinc/inclhack.def (irix_limits_const): New definition to
  65         convert "const" to "__const" in limits.h.
  66
  67 2001-01-30  Jeffrey Oldham  <oldham@codesourcery.com>
  68
  69         * fixinc/genfixes (AG): Fix "autogen4" thinko.
  70
  71 2001-01-30  Herman A.J. ten Brugge  <Haj.Ten.Brugge@net.HCC.nl>
  72
  73         * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
  74         when register dies in the insn.
  75
  76 2001-01-30  Neil Booth  <neil@daikokuya.demon.co.uk>
  77
  78         * diagnostic.c (fatal): Fix word wrap.
  79
  80 2001-01-30  Alexandre Oliva  <aoliva@redhat.com>
  81
  82         * combine.c (try_combine): Fix SUBREG setting for
  83         HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
  84
  85 2001-01-30  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
  86
  87         * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
  88         comparison codes.
  89
  90 2001-01-30  Neil Booth  <neil@daikokuya.demon.co.uk>
  91
  92         * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
  93         is not NULL.
  94         * toplev.c (decode_W_option): Update warn_larger_than
  95         unconditionally for each processed switch.
  96
  97 2001-01-30  John David Anglin  <dave@hiauly1.hia.nrc.ca>
  98
  99         * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
 100         to NULL_RTX.
 101         (hppa_expand_prologue): Delete code to save pic offset table register
 102         in the function prologue.
 103         * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
 104         * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
 105         table register at the beginning of the function after the prologue.
 106
 107 2001-01-29  lars brinkhoff  <lars@nocrew.org>
 108
 109         * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
 110
 111 2001-01-29  John David Anglin  <dave@hiauly1.hia.nrc.ca>
 112             Jeff Law <law@redhat.com>
 113
 114         * pa.md (return): Revise comment for trivial return.
 115         (return_internal): Non-trivial return pattern for non-PIC code.
 116         (return_internal_pic): Non-trivial return pattern for PIC code.
 117         It uses the PIC register to ensure it is restored after
 118         function calls.
 119         (epilogue): Generate appropriate return for PIC and non-PIC code.
 120
 121 Mon Jan 29 23:53:14 2001  Christopher Faylor <cgf@cygnus.com>
 122
 123         * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
 124
 125 2001-01-29  DJ Delorie  <dj@redhat.com>
 126
 127         * combine.c (if_then_else_cond): Pass the correct mode to
 128         operand_subword() for constants.
 129
 130 Mon Jan 29 20:38:19 2001  Christopher Faylor <cgf@cygnus.com>
 131
 132         * config/i386/cygwin.h: Add w32api to include search.  Search different
 133         directories in a cross-build environment.
 134
 135 2001-11-29  Tim Josling  <tej@melbpc.org.au>
 136
 137         * tree.h (TYPE_STUB_DECL): Add documentation.
 138
 139 2001-11-29  Laurynas Biveinis  <lauras@softhome.net>
 140
 141         * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
 142         (sdbout_field_types): Likwise.  Fix use of host_integerp.
 143
 144 2001-01-29  Thomas Pfaff  <tpfaff@gmx.net>
 145
 146         * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
 147         cygwin.h.
 148
 149 2001-01-29  Jeffrey Oldham  <oldham@codesourcery.com>
 150
 151         * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
 152         to use flag_gnu_linker.
 153
 154 2001-01-29  Neil Booth  <neil@daikokuya.demon.co.uk>
 155
 156         * cpplib.c (T_BAD_DIRECTIVE): Remove.
 157         (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
 158
 159 2001-01-29  Joseph S. Myers  <jsm28@cam.ac.uk>
 160
 161         * tree.c, tree.h (build_parse_node): Remove; was identical to
 162         build_nt.
 163         * c-lang.c (start_cdtor), objc/objc-act.c
 164         (build_module_descriptor): Use build_nt instead of
 165         build_parse_node.
 166
 167 2001-01-29  Jakub Jelinek  <jakub@redhat.com>
 168
 169         * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
 170         (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
 171         not have any upper bits set.
 172
 173 2001-01-29  Phil Edwards  <pme@sources.redhat.com>
 174
 175         * COPYING.LIB:  Update to LGPL 2.1 from the FSF.
 176
 177 2001-01-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 178
 179         * stmt.c (estimate_case_costs): Use integer_minus_one_node.
 180
 181         * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
 182
 183         * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
 184         (integer_minus_one_node): Define.
 185
 186 2001-01-28  Alexandre Oliva  <aoliva@redhat.com>
 187
 188         * Makefile.in (bootstrap2-lean): Fix typo.
 189
 190 2001-01-28  Neil Booth  <neil@daikokuya.demon.co.uk>
 191
 192         * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
 193         : Don't set fe_value.
 194         * cpplib.h (AVOID_LPASTE): New flag.
 195         (struct cpp_hashnode): Remove fe_value.
 196         * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
 197         * cppmacro.c (builtin_macro): Don't set flags here.
 198         (replace_args): Set AVOID_LPASTE flag on first token of an
 199         argument, and the token following it.
 200         (cpp_get_token): Set AVOID_LPASTE flag on first token of a
 201         macro expansion, and on the token following it.  Do it for
 202         builtins too.
 203         * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
 204
 205 2001-01-27  Richard Henderson  <rth@redhat.com>
 206
 207         * config/alpha/t-ieee: Remove multilibbing.
 208         (TARGET_LIBGCC2_CFLAGS): Add -mieee.
 209
 210 2001-01-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 211
 212         * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
 213
 214         * Makefile.in: Remove all dependencies on defaults.h.
 215         * builtins.c: Don't include defaults.h.
 216         * c-common.c: Likewise.
 217         * c-decl.c: Likewise.
 218         * c-pragma.c: Likewise.
 219         * c-typeck.c: Likewise.
 220         * combine.c: Likewise.
 221         * i386.c: Likewise.
 222         * frame-ia64.c: Likewise.
 223         * cppexp.c: Likewise.
 224         * crtstuff.c: Likewise.
 225         * dbxout.c: Likewise.
 226         * dwarf2out.c: Likewise.
 227         * dwarfout.c: Likewise.
 228         * emit-rtl.c: Likewise.
 229         * except.c: Likewise.
 230         * expr.c: Likewise.
 231         * final.c: Likewise.
 232         * frame-dwarf2.c: Likewise.
 233         * libgcc2.c: Likewise.
 234         * optabs.c: Likewise.
 235         * profile.c: Likewise.
 236         * sdbout.c: Likewise.
 237         * toplev.c: Likewise.
 238         * tradcif.y: Likewise.
 239         * tree.c: Likewise.
 240         * varasm.c: Likewise.
 241
 242 2001-01-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 243
 244         * builtins.c (expand_builtin_fputs): Use size_one_node when
 245         transforming into fwrite.
 246
 247 2001-01-27  Joseph S. Myers  <jsm28@cam.ac.uk>
 248
 249         * extend.texi (Attribute Syntax): New section.
 250
 251 2001-01-27  Michael Sokolov  <msokolov@ivan.Harhan.ORG>
 252
 253         * fixproto: Correctly install synthesised unistd.h and stdlib.h when
 254         they didn't need fixing.
 255
 256 2001-01-27  Janis Johnson <janis@us.ibm.com>
 257
 258         * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
 259         if appropriate.
 260         * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
 261         to remove macro definitions that are duplicated from elfos.h.
 262
 263 2001-01-27  Richard Henderson  <rth@redhat.com>
 264
 265         * config/i386/sco5gas.h: Move ...
 266         * config/usegas.h: ... here.
 267         * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
 268
 269 2001-01-27  Jakub Jelinek  <jakub@redhat.com>
 270
 271         * c-typeck.c (struct constructor_stack): Add range_stack member.
 272         (really_start_incremental_init): Clear it.
 273         (push_init_level): Save constructor_range_stack and clear it if
 274         pushing explicit braces.
 275         (pop_init_level): abort if constructor_range_stack is non-zero at
 276         explicit closing brace.  Restore saved constructor_range_stack if
 277         not implicit.
 278
 279 2001-01-27  Alexandre Oliva  <aoliva@redhat.com>
 280
 281         * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
 282         into register was forced into memory.
 283
 284 2001-01-27  Alexandre Oliva  <aoliva@redhat.com>
 285
 286         * Makefile.in: Remove uses of + before $(MAKE).
 287
 288 2001-01-26  Richard Henderson  <rth@redhat.com>
 289
 290         * stmt.c (cost_table): Remove.
 291         (COST_TABLE, cost_table_initialized): New.
 292         (estimate_case_costs): Use the later instead of the former.
 293         (balance_case_nodes): Likewise.
 294
 295 2001-01-26  Richard Henderson  <rth@redhat.com>
 296
 297         * alias.c (objects_must_conflict_p): Read-only slots may not
 298         conflict despite having the same type.
 299
 300 2001-01-27  Michael Hayes  <mhayes@redhat.com>
 301
 302         * loop.c (loop_giv_reduce_benefit): Copy mode size into
 303         int variable.
 304         (check_ext_dependant_givs): Initialise u_start_val and
 305         u_end_val.
 306         (load_mems): Make last_max_reg unsigned.
 307         (try_swap_copy_prop): Use INSN_P and initialise set.
 308
 309 Fri Jan 26 23:22:58 2001  Denis Chertykov  <denisc@overta.ru>
 310
 311         * README.AVR : Removed.
 312
 313 Fri Jan 26 11:37:26 2001  Jeffrey A Law  (law@cygnus.com)
 314
 315         * pa-64.h (text_section): Remove declaration.
 316
 317         * pa.md (return_internal): Remove mode on PIC register use.
 318
 319 2001-01-25  lars brinkhoff  <lars@nocrew.org>
 320
 321         * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
 322         ASM_CLOSE_PAREN): fix typos.
 323
 324 2001-01-25  Mark Mitchell  <mark@codesourcery.com>
 325
 326         * acconfig.h: Define `const' to the empty string if neither
 327         __STDC__ nor __cplusplus is defined.
 328         * config.in: Regenerated.
 329
 330 2001-01-25  David Edelsohn  <edelsohn@gnu.org>
 331
 332         * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
 333         * collect2.c (main): Delete importf.  Add ".obj" file extension.
 334         (GCC_CHECK_HDR): Handle AIX V5 new magic number.
 335         (aix_std_libs): Add additional AIX libraries to skip.
 336         * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
 337         * config/rs6000/aix51.h: New file.
 338
 339 2001-01-25  Michael Hayes  <mhayes@redhat.com>
 340
 341         * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
 342         (loop_insn_emit_before): No longer static.
 343         (move_movables): Replace emit_insn_after with loop_insn_emit_after.
 344         (loop_givs_rescan, load_mems): Likewise.
 345         (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
 346         (maybe_eliminate_biv_1):
 347         (move_movables): Replace emit_call_insn_before with
 348         loop_call_insn_hoist.
 349         * loop.h (loop_insn_emit_before): Add.
 350         * unroll.c (copy_loop_body): Replace emit_insn_before with
 351         loop_insn_emit_before.
 352
 353 2001-01-25  Neil Booth  <neil@daikokuya.demon.co.uk>
 354
 355         * diagnostic.c (fatal): Request preprocessed source.
 356
 357 Thu Jan 25 02:01:16 2001  J"orn Rennecke <amylaar@redhat.com>
 358
 359         * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
 360         olddecl has argument types and newdecl has none, use the argument
 361         types from olddecl.
 362
 363 2001-01-24  Ulrich Drepper  <drepper@redhat.com>
 364
 365         * dwarf2out.c (prefix_of): New function.  Determine longest common
 366         prefix of the two arguments.  The units are whole path components.
 367         (output_file_names): When adding a new directory find the one entry
 368         with the longest common prefix already in the list.  Artificially
 369         generate entry if there is none for this prefix.
 370         Fix test to check whether the zeroth directory entry is used.
 371
 372 Wed Jan 24 23:51:55 2001  J"orn Rennecke <amylaar@redhat.com>
 373
 374         * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
 375         Changed all callers.  Take it into account when deciding if a
 376         previously loaded value matches.
 377
 378 2001-01-24  Richard Henderson  <rth@redhat.com>
 379
 380         * reload.c (find_reloads_subreg_address): Fail the substitution
 381         if the resulting address is insufficiently aligned.
 382
 383 2001-01-24  DJ Delorie  <dj@redhat.com>
 384
 385         * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
 386         check the original operand's mode also.
 387         * simplify-rtx.c (simplify_ternary_operation): Ditto.
 388
 389 2001-01-24  Joseph S. Myers  <jsm28@cam.ac.uk>
 390
 391         * c-parse.in (cast_expr): Move compound literals from here ...
 392         (primary): ... to here.  Use standard terminology "compound
 393         literal" instead of "constructor expression".
 394
 395 2001-01-24  Joseph S. Myers  <jsm28@cam.ac.uk>
 396
 397         * gcc.1, cpp.1: Regenerate.
 398
 399 2001-01-24  Alexandre Oliva  <aoliva@redhat.com>
 400
 401         * calls.c (emit_library_call_value_1): Memory slot for
 402         pass-by-reference argument should have the mode of the argument,
 403         not of the pointer to it.
 404
 405 2001-01-24  Tom Tromey  <tromey@redhat.com>
 406
 407         * gcc.texi (G++ and GCC): Mention gcj manual.
 408         (Standards): Link to section of manual mentioning gcj/Java
 409         compatibility.
 410
 411 2001-01-24  Jakub Jelinek  <jakub@redhat.com>
 412
 413         * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
 414         * cppinit.c (cpp_start_read): Remove deps_add_dep call.
 415         * tradcpp.c (main): Add -imacros or -include'd dependencies
 416         for -M*.
 417         * cpp.texi (-M, -MM): Document -M -include behaviour.
 418
 419 2001-01-24  Roger Collins <roger@ProProject.com>
 420
 421         * config/i386/xm-i386.h: Make __i386__ a boolean macro.
 422
 423 2001-01-24  Will Cohen  <wcohen@redhat.com>
 424
 425         * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
 426         whether registers are 32 bits or 64 bits in size.
 427
 428 2001-01-24  Ben Elliston  <bje@redhat.com>
 429
 430         * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
 431
 432 2001-01-24  Richard Henderson  <rth@redhat.com>
 433
 434         * config/alpha/alpha.md (builtin_longjmp_internal): New.
 435         (builtin_longjmp): Use it instead of emit_indirect_jump.
 436
 437 2001-01-23  John David Anglin  <dave@hiauly1.hia.nrc.ca>
 438
 439         * bb-reorder.c (make_reorder_chain_1): Handle case where
 440         jump edge goes to the same block as the fallthru edge.
 441
 442 2001-01-23  Jim Wilson  <wilson@redhat.com>
 443
 444         * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
 445         * frame.h (__ia64_personality_v1): Add prototype.
 446         * libgcc2.c (ia64_throw_helper): Change personality declaration to
 447         prototype form.  Add void * cast to first argument to personality
 448         call.
 449         * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
 450         (asctoe113): Likewise.
 451         * config/ia64/frame-ia64.c: Include eh-common.h.
 452         * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
 453         prototypes.
 454         * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
 455         to dump parameter.
 456         (itanium_split_issue): Add prototype.
 457         (gen_nop_type): Ifdef out.
 458         (find_best_packet): Initialize best_packet.
 459         (ia64_encode_section_info): New local string.  Use for ggc_alloc_string
 460         result.
 461         * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
 462         * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
 463         (flushrs): Add explicit stop bit at end.
 464         * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
 465         trailing \ to >.
 466
 467 2001-01-23  Chris Demetriou  <cgd@broadcom.com>
 468
 469         * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
 470         of EH symbols.
 471         * libgcc2.c (__terminate_func): Make variable static.
 472         (__terminate_set_func): New function to set __terminate_func.
 473         * libgcc2.h (__terminate_func_ptr): New typedef.
 474         (__terminate_set_func): New function.
 475
 476 2001-01-23  Richard Henderson  <rth@redhat.com>
 477
 478         * flow.c (init_propagate_block_info): Don't consider unchanging
 479         memories for dead frame store elimination.
 480
 481 2001-01-23  Richard Henderson  <rth@redhat.com>
 482
 483         * varasm.c (UNIQUE_SECTION): Move default implementation ...
 484         * defaults.h: ... here.
 485
 486 2001-01-24  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
 487
 488         * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
 489
 490 2001-01-23  Neil Booth  <neil@daikokuya.demon.co.uk>
 491
 492         * c-lex.c (lex_charconst): Fix typo: s/p/str.
 493
 494 2001-01-23  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
 495
 496         * rs6000.h (rs6000_return_addr): Move prototype from here...
 497         * rs6000-protos.h (rs6000_return_addr): ...to here.
 498         (rs6000_init_expanders): Delete prototype.
 499
 500 2001-01-23  Nick Clifton  <nickc@redhat.com>
 501
 502         * invoke.texi: Replace , with \, inside @gccoptlist macros.
 503         (Spec Files): Document %B and %j and %. and %v3 and %M and
 504         %{S*&T} spec switches.
 505
 506 2001-01-24  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
 507
 508         * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
 509
 510 2001-01-23  Chris Demetriou  <cgd@sibyte.com>
 511             Neil Booth  <neil@daikokuya.demon.co.uk>
 512
 513         * cpperror.c: Merge handlers of PEDWARN and WARNING.
 514         Have -Werror make pedantic warnings errors, like the
 515         rest of GCC.
 516
 517 2001-01-23  Phil Edwards  <pme@sources.redhat.com>
 518
 519         * c-tree.texi (IDENTIFIER_LENGTH):  Fix typo.
 520
 521 2001-01-23  Jakub Jelinek  <jakub@redhat.com>
 522
 523         * integrate.h (struct inline_remap): Add compare_src, compare_mode.
 524         * integrate.c (expand_inline_function): Initialize them.
 525         (subst_constants): If changing COMPARE so that both its arguments
 526         will be VOIDmode and the comparison mode will be lost, note
 527         compare_mode.  Use the recorded compare_mode to optimize
 528         IF_THEN_ELSE.
 529
 530 2001-01-23  Jason Merrill  <jason@redhat.com>
 531
 532         * dwarf2out.c (new_die): Use xcalloc.
 533         (output_die): Abort rather than emit a local reference to offset 0.
 534
 535 2001-01-17  Andrew Haley  <aph@redhat.com>
 536
 537         * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
 538         of a saved register; return NULL instead.
 539         (copy_reg): Take a pointer to a source register rather than a
 540         frame_state.
 541         (next_stack_level): Remember the address in the stack frame of all
 542         saved registers.
 543         Use the saved register pointer array as the source of the CFA.
 544         (throw_helper): Rewrite.  Unwind once rather than twice and keep
 545         track of saved registers as we go.
 546
 547 2001-01-23  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
 548
 549         * c4x-protos.h (c4x_legitimize_reload_address): Remove.
 550         * c4x.c (c4x_legitimize_reload_address): Remove.
 551         * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
 552         reload address for ldp(k) insn.
 553
 554 Mon Jan 22 20:53:47 2001  Jeffrey A Law  (law@cygnus.com)
 555
 556         * pa.md (return_internal): Add a USE of the PIC register to ensure
 557         it is restored after each call.
 558         (return expander): Corresponding changes.
 559
 560 2001-01-22  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
 561
 562         * rs6000.h (INIT_EXPANDERS): Delete.
 563         (RETURN_ADDR_RTX): Call rs6000_return_addr().
 564         * rs6000.c (rs6000_override_options): Call *_machine_status from
 565         here...
 566         (rs6000_init_expanders): ...instead of here. Delete.
 567         (rs6000_mark_machine_status): New function.
 568         (rs6000_init_machine_status): Use xcalloc.
 569         (rs6000_return_addr): Generate RTX for the return address.
 570         (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
 571         (rs6000_stack_info): Use it.
 572
 573 2001-01-22  Thomas Pfaff  <tpfaff@gmx.net>
 574
 575         * gthr-win32.h: Include errno.h to get a declaration for
 576         EINVAL and _mingw.h if the target is mingw32.
 577
 578 2001-01-22  Andres Felipe Vargas <avargas@teletulua.com.co>
 579
 580         * cpp.texi: Correct typos.
 581
 582 Mon Jan 22 13:59:09 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 583
 584         * explow.c (probe_stack_range): Ensure value passed to
 585         stack_check_libfunc is ptr_mode, not Pmode.
 586
 587 Mon Jan 22 16:53:06 2001  J"orn Rennecke <amylaar@redhat.com>
 588
 589         * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
 590         case, don't use operand_subword to calculate a SUBREG that is
 591         wider than a word.
 592
 593         * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
 594
 595 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
 596
 597         * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
 598         (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
 599         valid.  If not replace it by equivalent insns.
 600
 601 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
 602
 603         * c4x.c (c4x_check_legit_addr): Only check CONST.  Not if CONST
 604         contains SYMBOL_REF, LABEL_REF and CONST_INT.
 605         (c4x_U_constraint, symbolic_address_operand): Likewise.
 606         (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
 607         memory.
 608         (c4x_r11_set_p, c4x_check_laj_p): New functions.
 609         * c4x-protos.h (c4x_check_laj_p): Add prototype.
 610         * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
 611         anulling slot because of silicon bug.
 612         (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
 613
 614 2001-01-22  Alan Modra <alan@linuxcare.com.au>
 615
 616         * cppexp.c (parse_charconst):  Change `mask' type to agree
 617         with parse_escape.
 618
 619 2001-01-21  Richard Henderson  <rth@redhat.com>
 620
 621         * config/i386/i386.c (ix86_asm_file_end): Disable putting
 622         pic_label_name in a linkonce section.
 623
 624 2001-01-17  Philipp Thomas  <pthomas@suse.de>
 625
 626         * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
 627         found in libintl.
 628         * configure: Regenerate.
 629
 630 Sun Jan 21 02:38:56 2001  J"orn Rennecke <amylaar@redhat.com>
 631
 632         * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
 633         uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
 634
 635 Sun Jan 21 09:44:17 2001  Denis Chertykov  <denisc@overta.ru>
 636
 637         * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
 638         If REVERSE nonzero then condition code in X must be reversed.
 639         (encode_section_info): Optimise if/else.
 640         (avr_function_value): Fix formatting.
 641
 642         * config/avr/avr.md (branch): Call to ret_cond_branch changed.
 643         (difficult_branch): Likewise.
 644         (rvbranch): Likewise.
 645         (difficult_rvbranch): Likewise.
 646
 647         * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
 648
 649         * config/avr/libgcc.S: Fix comment.
 650
 651 2001-01-20  Michael Sokolov  <msokolov@ivan.Harhan.ORG>
 652
 653         * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
 654
 655 2001-01-20  Michael Sokolov  <msokolov@ivan.Harhan.ORG>
 656
 657         * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
 658
 659 2001-01-20  Michael Sokolov  <msokolov@ivan.Harhan.ORG>
 660
 661         * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
 662         * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
 663         * configure, config.in: Regenerate.
 664         * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
 665         (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
 666         (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
 667         (doprint.o): New rule.
 668
 669 2001-01-20  Joseph S. Myers  <jsm28@cam.ac.uk>
 670
 671         * c-typeck.c (digest_init): Handle boolean types as scalars.
 672
 673 Sat Jan 20 12:46:57 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 674
 675         * stmt.c (expand_return): Don't return anything if size is zero.
 676         Delete redundant assignment to BYTES.
 677         * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
 678
 679 2001-01-20  Marek Michalkiewicz  <marekm@linux.org.pl>
 680
 681         * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
 682         the same as the default library function names.
 683         * config/avr/avr.md: Document special characters after '%'.
 684         (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
 685         knowing which of the call-used registers are really clobbered.
 686         (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
 687         New.  Both quotient and remainder from one libgcc.S call.
 688         * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
 689         clobber as few registers as possible.
 690         * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
 691
 692 2001-01-20  Neil Booth  <neil@daikokuya.demon.co.uk>
 693
 694         * cppmacro.c (funlike_invocation_p): Don't move back up to the
 695         context of the top of the stack.
 696
 697 2001-01-20  Jakub Jelinek  <jakub@redhat.com>
 698
 699         * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
 700         (fixup_var_refs_insns): ...here.
 701
 702 2001-01-20  Zack Weinberg  <zack@wolery.stanford.edu>
 703
 704         * function.c (fixup_var_refs_insns): Break up into
 705         fixup_var_refs_insn [body of loop], fixup_var_refs_insns
 706         [loop over entire insn list], and fixup_var_refs_insns_with_hash
 707         [loop over hash table entries].
 708         (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
 709         fixup_var_refs_insns_with_hash, to match above changes.
 710
 711 2001-01-19  John David Anglin  <dave@hiauly1.hia.nrc.ca>
 712
 713         * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
 714         (libgcc.a): Likewise.
 715         (stmp-multilib): Likewise.
 716         (STAGE2_FLAGS_TO_PASS): Likewise.
 717
 718 2001-01-19  Alexandre Oliva  <aoliva@redhat.com>
 719
 720         * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
 721         temporary if no_new_pseudos.
 722
 723 2001-01-19  Neil Booth  <neil@daikokuya.demon.co.uk>
 724
 725         * cppinternals.texi: Update.
 726
 727 2001-01-19  Richard Earnshaw  <rearnsha@arm.com>
 728
 729         * arm.c (arm_init_builtins): Re-enable builtins.
 730
 731 Fri Jan 19 13:02:56 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 732
 733         * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
 734         * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
 735         element to be null, and always expect an EXPR_LIST.
 736         * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
 737         * sched-deps.c (sched_analyze_1): Likewise.
 738         * sched-rgn.c (check_live_1, update_live_1): Likewise.
 739
 740         * regclass.c (max_set_parallel): New variable.
 741         (reg_scan): Take it into account in computation of max_parallel.
 742         (reg_scan_mark_refs, case SET): Compute it.
 743
 744         * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
 745         args are REG.
 746         * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
 747         * function.c (assign_parms): Use INTVAL for a CONST_INT.
 748
 749 2001-01-19  Jason Merrill  <jason@redhat.com>
 750
 751         * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
 752         for the abstract instance of an inline function.
 753
 754 Fri Jan 19 14:31:35 2001  Alexandre Oliva  <aoliva@redhat.com>
 755                           J"orn Rennecke <amylaar@redhat.com>
 756
 757         * reload1.c (move2add_note_store): Treat all registers directly or
 758         indirectly derived from a base register as members of the same set
 759         of values.
 760         (reload_cse_move2add): Adjust accordingly.  Take mode and offset
 761         of base register into account.
 762
 763 Fri Jan 19 09:18:42 2001  J"orn Rennecke <amylaar@redhat.com>
 764
 765         * alias.c (find_base_value): Recognize TRUNCATE.
 766         (record_set): In PLUS case, invalidate if other summand is also a
 767         base value.
 768
 769 Thu Jan 18 06:43:04 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 770
 771         * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
 772         entry to be EXPR_LIST.
 773         * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
 774         be an EXPR_LIST (but not null, which other code doesn't allow).
 775         (note_stores): Properly handle PARALLEL in SET.
 776         Recursively call for top-level PARALLEL.
 777         * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
 778         * sched-rgn.c (check_live_1, update_live_1): Likewise.
 779
 780         * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
 781
 782 2001-01-18  Neil Booth  <neil@daikokuya.demon.co.uk>
 783
 784         * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
 785         not pfile->skipping (== 0).
 786
 787 2001-01-17  Nick Clifton  <nickc@redhat.com>
 788
 789         * config/rs6000/rs6000.c: Add prototypes for {init|free}_
 790         machine_status.
 791
 792 2001-01-17  Jim Wilson  <wilson@redhat.com>
 793
 794         * invoke.texi (IA-64 options): Improve.
 795
 796 2001-01-17  Tom Tromey  <tromey@redhat.com>
 797
 798         * invoke.texi (Optimize Options): Use `{}' to around @samp
 799         argument.
 800
 801 2001-01-17  Aldy Hernandez  <aldyh@redhat.com>
 802
 803         * invoke.texi (-fno-guess-branch-probability): New option.
 804
 805 Wed Jan 17 13:26:34 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 806
 807         * combine.c (try_combine): Don't set i3_subst_into_i2 for
 808         case of making new double-word constant.
 809         Revert last change: instead just test i3_subst_into_i2.
 810
 811 2001-01-17  Jakub Jelinek  <jakub@redhat.com>
 812
 813         * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
 814         Use q constraints instead of r.
 815
 816 Tue Jan 16 22:23:04 2001  Alan Modra (alan@linuxcare.com.au)
 817
 818         * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
 819         (machine_function): Define.
 820         (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
 821         * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
 822         pa_free_machine_status): New functions.
 823         (override_options): Set {init,mark,free}_machine_status to above.
 824         (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
 825         PIC_OFFSET_TABLE_REGNUM_SAVED.
 826         * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
 827         PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
 828         * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
 829         references to PIC_OFFSET_TABLE_REGNUM_SAVED.
 830         * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
 831
 832 2001-01-15  DJ Delorie  <dj@redhat.com>
 833
 834         * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
 835         (cpp.1): Ditto.
 836         (gcc.1): Ditto.
 837
 838 Tue Jan 16 17:20:43 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 839
 840         * flow.c (propagate_on_insn): Make trying to delete a prologue
 841         or epilogue insn an ICE, not a warning.  Allow doing this if
 842         the current function returns with stack pointer depressed.
 843
 844         * combine.c (try_combine): If i3_subst_into_i2, properly check for
 845         I3 having more than one SET.
 846
 847 2001-01-16  Jim Wilson  <wilson@redhat.com>
 848
 849         * invoke.texi: Document IA-64 options.
 850
 851         * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
 852         (fixup_errata): Delete TARGET_A_STEP use.
 853         * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
 854         (TARGET_SWITCHES): Delete -ma-step option.
 855         * config/ia64/ia64.md (all FP patterns): Delete %B0.
 856         (movqicc_astep, movqi_internal_astep, movhicc_astep,
 857         movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
 858         movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
 859         movdfcc_astep, movdf_internal_astep, movtfcc_astep,
 860         movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
 861         Delete.
 862         (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
 863         movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
 864         cmovsi_internal): Delete ! TARGET_A_STEP check.
 865
 866 2001-01-16  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 867
 868         * gcc.texi (Bug Lists): Do not mention newsgroups nor the
 869         possibility to report bugs via postal mail. Change a URL and
 870         merge in a nearly duplicate statement...
 871         (Bug Reporting): ...from here.
 872         (Service): Refer to the Bug Reporting section instead of
 873         duplicating an URL.
 874         (Contributing): Remove trivial explanations concerning snapshots.
 875
 876 2001-01-16  Alan Modra <alan@linuxcare.com.au>
 877
 878         * cppmain.c (general_init): Don't use ANSI prototype.
 879
 880 2001-01-16  Tom Tromey  <tromey@redhat.com>
 881
 882         * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
 883
 884 2001-01-16  Richard Henderson  <rth@redhat.com>
 885
 886         * config/i386/i386.h: Fix comment typo.
 887         * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
 888         (ashr+compare patterns): Match CCGOCmode not CCNOmode.
 889
 890 2001-01-16  Phil Edwards  <pme@sources.redhat.com>
 891
 892         * gcc.c:  Revert previous -fsyntax-only-related change; move
 893           to cp/g++spec.c.
 894
 895 2001-01-16  Jakub Jelinek  <jakub@redhat.com>
 896
 897         * config/i386/i386.c (fcmov_comparison_operator): Only initialize
 898         inmode after checking GET_CODE (op).
 899
 900 2001-01-16  Richard Henderson  <rth@redhat.com>
 901
 902         * flow.c (struct propagate_block_info): Add mem_set_list_len.
 903         (MAX_MEM_SET_LIST_LEN): New.
 904         (propagate_one_insn): Update mem_set_list_len.
 905         (invalidate_mems_from_autoinc): Likewise.
 906         (invalidate_mems_from_set): Likewise.
 907         (mark_used_regs): Likewise.
 908         (init_propagate_block_info): Likewise.  Stop collecting memories
 909         when we reach MAX_MEM_SET_LIST_LEN.
 910         (mark_set_1): Likewise.
 911
 912 2001-01-16  Richard Henderson  <rth@redhat.com>
 913
 914         * unroll.c (precondition_loop_p): Fail if no iteration
 915         variable found.
 916
 917 2001-01-16  Phil Edwards  <pme@sources.redhat.com>
 918
 919         * gcc.c:  When -fsyntax-only is given, do not complain about
 920           unused libraries.
 921
 922 2001-01-15  Richard Henderson  <rth@redhat.com>
 923
 924         * config/i386/i386.c (asm_output_function_prefix): Remove.
 925         (ix86_asm_file_end): New.
 926         (load_pic_register): Generate pic_label_name into a
 927         staticly allocated buffer.
 928         * config/i386/i386-protos.h: Update.
 929         * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
 930         (ASM_FILE_END): New.
 931         * config/i386/i386afe.h: New file.
 932         * config.gcc (i?86-*-elf) [tm_file]: Use it.
 933         (i?86-*-{freebsd,linux*,moss*}): Likewise.
 934         * config/elfos.h (ASM_FILE_END): Undef before redefinition.
 935         * config/i386/cygwin.h (ASM_FILE_END): Likewise.
 936         * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
 937         * config/i386/sco5.h (ASM_FILE_END): Likewise.
 938         * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
 939
 940 2001-01-15  Joseph S. Myers  <jsm28@cam.ac.uk>
 941
 942         * Makefile.in (install-man): Remove explicit dependency on
 943         $(srcdir)/gcc.1.
 944
 945         * configure.in, configure: Revert previous patch requiring perl
 946         5.6.0.
 947
 948 2001-01-12  Aldy Hernandez  <aldyh@redhat.com>
 949
 950         * toplev.c (flag_guess_branch_prob): New.
 951         (f_options): Add guess-branch-probability option.
 952         (rest_of_decl_compilation): Only estimate branch probability if
 953         flag set.
 954         (main): set flag_guess_branch_prob.
 955
 956         * flags.h (flag_guess_branch_prob): New.
 957
 958 2001-01-15  DJ Delorie  <dj@redhat.com>
 959
 960         * gcc.texi (Makefile): Add documentation for Makefile targets.
 961
 962 2001-01-15  Philip Blundell  <philb@gnu.org>
 963
 964         * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
 965         (is_pic): Delete.
 966         * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
 967         (is_pic): Delete declaration.
 968         * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
 969         (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
 970         * config/arm/arm.md (builtin_setjmp_receiver): New.
 971
 972 2001-01-15  Richard Earnshaw  <rearnsha@arm.com>
 973
 974         * arm.c (use_return_insn): Don't try to determine the function type
 975         until after reload has completed.
 976         (arm_output_epilogue): Don't adjust the sp value recovered from the
 977         stack.
 978         (emit_multi_reg_push): Don't record dwarf information for the pc.
 979         * arm.md (eh_epilogue): The function type may have changed, so it
 980         needs to be recalculated.
 981         * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete.  Can now use dwarf2
 982         unwind tables on arm/netbsd.
 983
 984 2001-01-15  Richard Earnshaw  <rearnsha@arm.com>
 985
 986         * arm.md (cbranchsi4): Correct calculation of branch ranges.
 987         (negated_cbranchsi4): Likewise.
 988
 989 2001-01-15  Richard Earnshaw  <rearnsha@arm.com>
 990
 991         * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
 992         (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
 993         (ASM_SPEC): Call subtarget_extra_asm_spec.  Don't
 994         pass -mapcs-* options to assembler.
 995         * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
 996         (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
 997         (ASM_SPEC): Call subtarget_extra_asm_spec.
 998
 999 2001-01-15  Andreas Jaeger  <aj@suse.de>
1000
1001         * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
1002         warnings.
1003         (ix86_expand_builtin): Likewise.
1004
1005         * gencodes.c (output_predicate_decls): Make i size_t to avoid
1006         warning about comparison between signed and unsigned.
1007
1008 2001-01-14  Geoffrey Keating  <geoffk@redhat.com>
1009
1010         * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
1011
1012 2001-01-14  Ralf Baechle <ralf@gnu.org>
1013
1014         * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
1015         SUBTARGET_CPP_SPEC apropriatly.
1016
1017 2001-01-12  Mark Mitchell  <mark@codesourcery.com>
1018
1019         * varasm.c (make_decl_rtl): Fix typo in last change.
1020
1021 2001-01-14  Jeffrey Oldham  <oldham@codesourcery.com>
1022
1023         * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
1024         linker supports the init_priority C++ attribute.
1025         * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
1026         * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
1027         linker does not support init_priority C++ attribute.
1028
1029 Sun Jan 14 22:31:30 2001  J"orn Rennecke <amylaar@redhat.com>
1030
1031         * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
1032
1033 2001-01-14  Neil Booth  <neil@daikokuya.demon.co.uk>
1034
1035         * c-parse.in (finish_parse): Add comment about cpp_destroy.
1036         * cp/lex.c (finish_parse): Similarly.
1037         * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
1038         Return the number of errors encountered.
1039         * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
1040         * cppmain.c (main): Don't call cpp_destroy.
1041
1042 2001-01-14  Joseph S. Myers  <jsm28@cam.ac.uk>
1043
1044         * configure.in: Require at least perl 5.6.0 to regenerate
1045         manpages.
1046         * configure: Regenerate.
1047
1048 2001-01-14  Richard Henderson  <rth@redhat.com>
1049
1050         * genrecog.c (DT_veclen_ge): New.
1051         (add_to_sequence) [MATCH_PARALLEL]: Generate one.
1052         (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
1053         (nodes_identical_1): Handle DT_veclen_ge.
1054         (write_cond, debug_decision_2): Likewise.
1055
1056 2001-01-14  Richard Earnshaw  <rearnsha@arm.com>
1057
1058         * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete.  Replace
1059         with ...
1060         (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
1061
1062 2001-01-14  Neil Booth  <neil@daikokuya.demon.co.uk>
1063
1064         * cppmain.c (do_preprocessing): New function; most of the old
1065         main.
1066         (main): Call it to do most of the work.
1067         (cb): Move from global scope to set_callbacks ().
1068         (setup_callbacks): Get the callback pointer.
1069         (general_init, printer_init): Clean up code and comments.
1070
1071 2001-01-14  Richard Earnshaw  <rearnsha@arm.com>
1072
1073         * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
1074         compiling PIC.
1075
1076 2001-01-14  Kazu Hirata  <kazu@hxi.com>
1077
1078         * config/h8300/h8300.c (get_shift_alg): Update comments.
1079
1080 Sun Jan 14 06:20:49 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1081
1082         * ggc-page.c (alloc_annon): Call perror and correctly call exit.
1083         (alloc_page, ggc_alloc): Add casts to remove warnings.
1084
1085 2001-01-14  Geoffrey Keating  <geoffk@redhat.com>
1086
1087         * combine.c (simplify_comparison): Don't change `code' when
1088         can't reverse comparison.
1089
1090 2001-01-14  Richard Henderson  <rth@redhat.com>
1091
1092         * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
1093         update all call sites.  Return true for all non-label constants.
1094
1095 Sun Jan 14 10:09:48 MET 2001  Jan hubicka  <jh@suse.cz>
1096
1097         * i386.c (ix86_expand_compare): Add bypass_test and second_test
1098         parameters.
1099         (ix86_expand_branch): Update.
1100         (ix86_expand_setcc): Update to handle multiple test conditions.
1101         (expand_int_movcc): Likewise.
1102         (expand_fp_movcc): Likewise.
1103         * i386-protos.h (ix86_expand_compare): New.
1104         * i386.md (andqi_?_slp, orqi_?_slp): New.
1105         (conditional trap expander): Update call to ix86_expand_compare.
1106
1107 2001-01-14  Richard Henderson  <rth@redhat.com>
1108
1109         * config/vax/vax.md: Use nonimmediate_operand instead of
1110         general_operand in destinations.
1111
1112         * config/vax/vax.md (indirect_jump): Use register_operand.
1113
1114         * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
1115         * config/vax/vax.md (call_pop): Turn into an expander.
1116         (call_value_pop): Likewise.
1117         (call, call_value): New.
1118
1119 2001-01-14  Andreas Jaeger  <aj@suse.de>
1120
1121         * config/i386/i386.c (ix86_split_fp_branch): Remove unused
1122         variables.
1123         (ix86_fp_compare_mode): Add unused attribute.
1124         (ix86_expand_fp_movcc): Remove unused variable.
1125         (ix86_expand_builtin): Make fcode unsigned.
1126
1127         * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
1128         (expand_expr): Add cast to avoid signed warning.
1129         (store_field): Likewise.
1130         (store_constructor_field): Likewise.
1131         (store_constructor): Likewise.
1132         (store_expr): Likewise.
1133         (clear_storage): Likewise.
1134         (emit_group_store): Likewise.
1135         (emit_group_load): Likewise.
1136
1137 2001-01-13  Joseph S. Myers  <jsm28@cam.ac.uk>
1138
1139         * c-common.c: Move format checking code to ...
1140         * c-format.c: ... here.  New file.  Reorder some functions and
1141         declarations.
1142         (decl_handle_format_attribute, decl_handle_format_arg_attribute):
1143         New functions.
1144         * c-common.h (decl_handle_format_attribute,
1145         decl_handle_format_arg_attribute): Declare.
1146         * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
1147         (c-common.o): Adjust dependencies.
1148         (c-format.o): New list of dependencies.
1149
1150 2001-01-13  Jakub Jelinek  <jakub@redhat.com>
1151
1152         * unroll.c (loop_iterations): If we cannot prove iteration variable
1153         is set once in each iteration, punt.
1154
1155 Sun Jan 14 00:23:15 2001  Denis Chertykov  <denisc@overta.ru>
1156
1157         * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
1158         (*strlenhi): Remove clobber (which was buggy) of output address.
1159
1160 2001-01-13  Joseph S. Myers  <jsm28@cam.ac.uk>
1161
1162         * Makefile.in (generated-manpages): Add gcc.1
1163         ($(srcdir)/gcc.1): New target.
1164         (maintainer-clean): Delete $(srcdir)/gcc.1.
1165         * gcc.texi: Add macros @gccoptlist and @gol.
1166         * invoke.texi: Include option summary in manpage.  Mark up option
1167         summary with @gccoptlist and @gol.  Use @r in one place where
1168         appropriate.
1169         * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
1170         * gcc.1: Generate from invoke.texi.
1171
1172 2001-01-13  Richard Henderson  <rth@redhat.com>
1173
1174         * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
1175         (struct page_entry): Add group member.
1176         (struct page_group): New.
1177         (struct globals): Add page_groups member.
1178         (alloc_anon): Only define for using mmap; remove valloc call.
1179         (page_group_index): New.
1180         (set_page_group_in_use): New.
1181         (clear_page_group_in_use): New.
1182         (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
1183         (free_page, release_pages): Likewise.
1184         * configure.in (with-gc): Default to ggc-page always.
1185
1186 2001-01-13  Alexandre Oliva  <aoliva@redhat.com>
1187
1188         * reload1.c (replace_pseudos_in_call_usage): Use
1189         reg_equiv_constant and reg_equiv_address, and don't try
1190         regno_reg_rtx first.
1191
1192 2001-01-13  Richard Henderson  <rth@redhat.com>
1193
1194         * ggc-page.c (alloc_page): Round up allocation size to one page.
1195         Set e->order on extra pages.
1196
1197 2001-01-13  Richard Henderson  <rth@redhat.com>
1198
1199         * genrecog.c (nodes_identical): Expand commentary.
1200         (write_switch): Watch out for identical nodes.
1201
1202 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
1203
1204         * cppfiles.c (_cpp_fake_include): New function.
1205         * cpphash.h (_cpp_fake_include): New.
1206         * cpplib.c (do_line): Call _cpp_fake_include when entering
1207         header files in preprocessed input.
1208         * cppmain.c (cb_pragma_implementation): Remove handling.
1209         (setup_callbacks): Don't register pragmas.
1210
1211 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
1212
1213         * extend.texi: Udate for CPP.
1214
1215 2001-01-13  Andreas Jaeger  <aj@suse.de>
1216
1217         * reload1.c: Add prototype for replace_pseudos_in_call_usage.
1218
1219         * regmove.c: Add prototype for replace_in_call_usage.
1220
1221 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
1222
1223         * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
1224         struct cpp_chunk, struct htab, struct toklist,
1225         struct cpp_context, CPP_STACK_MAX, struct lexer_state,
1226         struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
1227         CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
1228         ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
1229         (struct macro_args): Delete.
1230         * cpphash.h: See above.
1231
1232 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
1233
1234         * cppmain.c (struct printer): Remove no_line_dirs.
1235         (options, cb): New.
1236         (main, setup_callbacks, scan_buffer, printer_init, cb_define)
1237         : Use options rather than CPP_OPTION.
1238         (setup_callbacks): Use cb rather than pfile->cb.
1239         (main): No need to check for a buffer.  Use cpp_errors.
1240         (printer_init): Don't set no_line_dirs.
1241         (maybe_print_line): Use options not no_line_dirs.
1242         (cb_file_change): Don't call print_line if -P.
1243
1244 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
1245
1246         * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
1247         callbacks.
1248         * c-parse.in (finish_parse): Use cpp_errors.
1249         (__yylex): Use return value of cpp_pop_buffer.
1250         * cp/lex.c (finish_parse): Use cpp_errors.
1251         * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
1252
1253 Sat Jan 13 16:57:40 2001  Denis Chertykov  <denisc@overta.ru>
1254
1255         * README.AVR: URLs corrected.
1256
1257 Sat Jan 13 07:30:02 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1258
1259         * c-decl.c (start_function): Don't warn if old prototype is builtin
1260         that's not in C's namespace.
1261         * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
1262         (_bb): Add prototype for ctime.
1263         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
1264
1265 Sat Jan 13 09:53:32 MET 2001  Jan Hubicka  <jh@suse.cz>
1266
1267         * i386.c (ix86_fp_comparison_arithmetics_cost,
1268         ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
1269         ix86_fp_comparison_cost): New functions.
1270         (ix86_expand_fp_compare): Use the costs to choose best bethod; add
1271         two new parameters SECOND_TEST and BYPASS_TEST; allow generating
1272         two-branch sequences; make static.
1273         (ix86_use_fcomi_compare): Do decision according to the costs.
1274         (split_fp_branch): New.
1275         * i386.md (compare-and-branch patterns): Use split_fp_branch.
1276         * i386-protos.h (ix86_expand_fp_compare): Remove
1277         (ix86_split_fp_branch): Declare.
1278
1279         * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
1280         and ix86_comparison_operator.
1281
1282         * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
1283         to make it cheaper.
1284
1285         * i386.c (put_condition_code): Output properly the unordered/ordered
1286         compares in fp case.
1287         (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
1288
1289         * tm.texi (REVERSE_CONDITION): Document.
1290         * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
1291         in -ffast-math mode.
1292         * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
1293
1294 2001-01-13  Alexandre Oliva  <aoliva@redhat.com>
1295
1296         * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
1297
1298         * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
1299         optimized away.
1300
1301         * config/sh/sh.c (mova_p): Fix test for mova_const.
1302
1303 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
1304
1305         * fix-header.c (read_scan_file): Use cpp_get_callbacks and
1306         cpp_get_options rather than dereferencing pfile and using
1307         CPP_OPTION.
1308         * scan-decls.c (scan_decls): Use return value of
1309         cpp_pop_buffer rather than CPP_BUFFER.
1310
1311 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
1312
1313         * cppinit.c (cpp_handle_option): help_only is now part of the
1314         cpp_options structure.
1315         * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
1316         cpp_set_callbacks): New functions.
1317         * cpplib.h (cpp_callbacks): Break out as a named structure.
1318         (cpp_options): Move help_only here from cpp_reader.
1319         (CPP_FATAL_ERRORS): Update to use cpp_errors.
1320         (cpp_errors, cpp_get_options, cpp_get_callbacks,
1321         cpp_set_callbacks): New prototypes.
1322         * cppmain.c (main): Update for help_only.
1323
1324 2001-01-13  Joseph S. Myers  <jsm28@cam.ac.uk>
1325
1326         * Makefile.in (info, maintainer-clean, install-info, uninstall):
1327         Also build and remove and install and uninstall c-tree.info and
1328         cppinternals.info.
1329         ($(srcdir)/gcc.info): Add dependency on contrib.texi.
1330         ($(srcdir)/cppinternals.info): New target.
1331         * c-tree.texi: Change file name used when makeinfo used without -o
1332         from ir.info to c-tree.info.  Add info directory entry.
1333         * cppinternals.texi: Add info directory entry.
1334         * .cvsignore: Update.
1335
1336 2001-01-12  Jakub Jelinek  <jakub@redhat.com>
1337
1338         * c-typeck.c (store_init_value): Don't require constant initializer
1339         elements with -pedantic -std=c99.
1340         (digest_init): Change error about non-constant initializer elements
1341         into pedwarn.
1342         (constructor_range_end): Remove.
1343         (constructor_incremental, designator_depth,
1344         designator_errorneous): New variables.
1345         (struct constructor_stack): Remove range_end, add incremental.
1346         (struct constructor_range_stack, constructor_range_stack): New.
1347         (struct initializer_stack): Add constructor_range_stack.
1348         (finish_init): Set it.
1349         (start_init): Likewise.  require_constant_elements for non-static
1350         trees only if not flag_isoc99.
1351         (really_start_incremental_init): Remove constructor_range_end, add
1352         constructor_incremental.
1353         (pop_init_level): Likewise.
1354         (push_init_level): Likewise.  If implicit and the subobject had some
1355         value set already, preinitialize the level with it.
1356         Warn about missing braces only if not pushing due to designators.
1357         (set_designator, push_range_stack): New functions.
1358         (set_init_label): Use them.
1359         (set_init_index): Likewise.  Remove constructor_range_end.
1360         Error if designator index is outside of array bounds.
1361         (add_pending_init): Compare values of purpose index trees, not the
1362         trees themselves.  Allow overwriting of already initialized element.
1363         Issue a warning if it had side-effects.
1364         (set_nonincremental_init, set_nonincremental_init_from_string): New
1365         functions.
1366         (pending_init_member): Rename to...
1367         (find_init_member): ...this function.  Call set_nonincremental_init
1368         if necessary.  Compare values of purpose index trees, not the trees
1369         themselves.  Return the actual value, not just non-zero if something
1370         is found.
1371         (output_init_element): Remove checks for duplicates.
1372         If field has zero size, only check the initializer for correctness.
1373         Call set_nonincremental_init if necessary.  Push RECORD/ARRAY into AVL
1374         if constructor_incremental is zero.  Change error about initializers
1375         not computable at load time into pedwarn.
1376         (output_pending_init_elements): Compare bit positions, not
1377         FIELD_DECLs to take into account zero-sized fields.
1378         (process_init_element): Use constructor_range_stack to fill all
1379         ranges in the designator lists from current level up.
1380         * extend.texi: Update documentation for labeled elements.
1381
1382 2001-01-12  Alexandre Oliva  <aoliva@redhat.com>
1383
1384         * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
1385         to function usage for arguments passed by reference.  Optimize
1386         callee-copied arguments.
1387         * regmove.c (replace_in_call_usage): New function.
1388         (fixup_match_1): Call it.
1389         * cse.c (cse_insn): Canonicalize registers in function usage.
1390         * reload1.c (replace_pseudos_in_call_usage): New function.
1391         (reload): Call it.
1392
1393         * Makefile.in: Reverted yesterday's wrong patch.  Installed the
1394         right version.
1395
1396 2001-01-12  Jakub Jelinek  <jakub@redhat.com>
1397
1398         * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
1399         not XEXP (tmp, 0).
1400
1401 2001-01-12  DJ Delorie  <dj@redhat.com>
1402
1403         * Makefile.in (bootstrap): rename stages to be mnemonic.  Add
1404         restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
1405         targets.
1406
1407 2001-01-12  Joseph S. Myers  <jsm28@cam.ac.uk>
1408
1409         * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
1410         tm.texi: Consistently refer to ISO C instead of ANSI C.  Refer to
1411         -std options alongside references to -ansi.  Update some
1412         documentation for C99.
1413         * cpp.1: Regenerate.
1414
1415 2001-01-12  Andreas Jaeger  <aj@suse.de>
1416
1417         * haifa-sched.c (restore_line_notes): Remove argument block B
1418         since it's unused.
1419         * sched-ebb.c (schedule_ebb): Change caller.
1420         * sched-rgn.c (schedule_region): Likewise.
1421         * sched-int.h (restore_line_notes): Adjust prototype.
1422
1423         * loop.h: Remove wrong declaration of doloop_condition_get.
1424
1425 2001-01-12  Phil Edwards  <pme@sources.redhat.com>
1426
1427         * extend.texi:  Move C++-extension-related node from the C section
1428           into the C++ section.
1429
1430 2001-01-12  Joseph S. Myers  <jsm28@cam.ac.uk>
1431
1432         * extend.texi: Refer to an array of pointers to functions instead
1433         of one of functions.
1434
1435 Fri Jan 12 12:08:12 MET 2001  Andreas Jaeger  <aj@suse.de>
1436                               Jan Hubicka  <jh@suse.cz>
1437
1438         * combine.c (reversed_comparison): Fix typo in last patch.
1439         Check X for NULL.
1440         (combine_reversed_comparison_code): Make static to follow
1441         prototype declaration.
1442
1443 2001-01-12  Phil Edwards  <pme@sources.redhat.com>
1444
1445         * install.texi:  Remove misplaced duplicate entry.
1446
1447 2001-01-11  Ulrich Drepper  <drepper@redhat.com>
1448
1449         * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
1450
1451 Thu Jan 11 17:06:30 EST 2001  John Wehle  (john@feith.com)
1452
1453         * final.c: (leaf_function_p): Fix typo.
1454
1455 2001-01-11  Zack Weinberg  <zack@wolery.stanford.edu>
1456
1457         * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
1458         Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
1459         which you have.
1460         (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
1461         * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
1462         mmap_anon, and valloc is available.
1463         * ggc-page.c: Restructure ifdef logic to match new autoconf
1464         spec.  Don't throw away the test page in init_ggc.
1465
1466         * configure, config.in: Regenerate.
1467
1468 2001-01-12  Michael Hayes  <mhayes@redhat.com>
1469
1470         * loop.h (total_biv_increment): Constify iv_class pointer.
1471         (struct induction): Replace `mem_mode' with `mem' rtx.
1472         * unroll.c (total_biv_increment): Constify iv_class pointer.
1473         * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
1474         (find_mem_givs, combine_givs_p): Likewise.
1475         (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
1476
1477 2001-01-10  Thomas Pfaff <tpfaff@gmx.net>
1478
1479         * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
1480         LastError.
1481         (__gthread_getspecific): Ditto.
1482
1483 Fri Jan 12 00:04:00 MET 2001  Jan Hubicka  <jh@suse.cz>
1484
1485         * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
1486         put_condition_code): Convert fp comparison codes to integer
1487         before handling.
1488         (ix86_expand_fp_compare): Postnote the fp comparison code converison
1489         to final.
1490
1491         * i386.c (unsigned_comparison, no_comparison_operator): Kill.
1492         * i386-protos.h (no_comparison_operator): Kill.
1493
1494         * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1495
1496         * combine.c (REVERSIBLE_CC_MODE): Remove.
1497         (reversible_comparison_p): Remove.
1498         (combine_reversed_comparison_code): New.
1499         (reversed_comparison): New.
1500         (combine_simplify_rtx): Use
1501         combine_reversed_comparison_code/reversed_comparison instead
1502         of reversible_comparison_p.
1503         (simplify_if_then_else): Likewise.
1504         (simplify_set): Likewise.
1505         (simplify_logical): Likewise.
1506         (if_then_else_cond): Likewise.
1507         (known_cond): Likewise.
1508         (simplify_comparison): Likewise.
1509
1510 2001-01-11  Alan Lehotsky  <lehotsky@tiac.net>
1511
1512         * builtins.c (std_expand_builtin_va_start): Handle varargs when
1513         sizeof (int) is larger than sizeof(__word__).
1514
1515 2001-01-11  Neil Booth  <neil@daikokuya.demon.co.uk>
1516
1517         * cppinit.c (do_includes): Fix typo.
1518
1519 2001-01-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
1520
1521         * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1522         in S_REGS does not occur because not all sources are possible
1523         when a S_REGS is a destination (sometimes needs a clobber).
1524         (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1525         (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1526         (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1527         (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1528         (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1529         (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1530         (lshrdi_const1, lshrsi3_const16): Likewise.
1531         (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1532         (*movhi_68hc12, *movqi_68hc12): Likewise.
1533         (movstrictqi): Make sure reloading in D_REGS as a destination
1534         does not happen.
1535
1536 2001-01-11  Neil Booth  <neil@daikokuya.demon.co.uk>
1537
1538         * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1539
1540 2001-01-11  Neil Booth  <neil@daikokuya.demon.co.uk>
1541
1542         * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1543         -D, -U and -A, and don't initialize the builtins.
1544         (do_includes): Error if -include or -imacros with -fpreprocessed.
1545         * cppmain.c (cb_define, cb_undef): Unconditionally process
1546         the callback.
1547         * tradcpp.c (main): Fix typo.
1548
1549 2000-01-11  Mark Elbrecht  <snowball3@bigfoot.com>
1550
1551          * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1552            (read_name_map): Use IS_ABSOLUTE_PATH.
1553          * tradcpp.c (get_filename): Likewise.
1554
1555 2001-01-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
1556
1557         * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1558         (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1559         (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1560         (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1561         (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1562         (cmphi_z_used): Don't use '@' for the output.
1563         (tstqi_z_used): Likewise.
1564         (cmpqi_z_used): Likewise.
1565         (one_cmplsi2): Likewise.
1566
1567 2001-01-11  Alexandre Oliva  <aoliva@redhat.com>
1568
1569         * config/sh/sh.c (barrier_align): Recognize branch around far
1570         branch and redundant insn.
1571
1572 2001-01-11  Neil Booth  <neil@daikokuya.demon.co.uk>
1573
1574         * invoke.texi: Restore documentation of the drivers' switches -MD
1575         and -MMD.
1576
1577 2001-01-11  Alexandre Oliva  <aoliva@redhat.com>
1578
1579         * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1580
1581         * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1582         check-objc//%): Support parallel testing of multilibs.
1583         (TESTSUITEDIR): Set to testsuite by default, but override for
1584         parallel testing.
1585         (check-gcc, check-g++, check-g77, check-objc): Enter
1586         $(TESTSUITEDIR).
1587
1588 2001-01-11  Bernd Schmidt  <bernds@redhat.com>
1589
1590         * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1591         * sched-deps.c (deps_may_trap_p): Likewise.
1592         * basic-block.h: Remove a comment.
1593         * flow.c (PROP_POSTRELOAD): Remove.
1594         (update_life_info): Don't add it to prop_flags.
1595         (mark_set_1): Lose the code that was enabled by it.
1596
1597 2001-01-11  Michael Hayes  <mhayes@redhat.com>
1598
1599         * flow.c (flow_call_edges_add): New.
1600         * basic_block.h (flow_call_edges_add): New.
1601
1602 2001-01-11  J"orn Rennecke <amylaar@redhat.com>
1603
1604         * reload1.c (move2add_note_store): Update reg_set_luid even if
1605         base reg remains the same.
1606
1607 2001-01-10  Nick Clifton  <nickc@redhat.com>
1608
1609         * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1610         machine_function structure to zero.
1611         Add prototypes for machine_status functions.
1612
1613 2001-01-10  Mark Mitchell  <mark@codesourcery.com>
1614
1615         * c-common.h (CTI_VOID_LIST): Remove.
1616         (void_list_node): Likewise.
1617         * tree.h (TI_VOID_LIST_NODE): New enumeral.
1618         (void_list_node): New macro.
1619         * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1620         * config/i386/i386.c (ix86_init_builtins): Likewise.
1621         * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1622
1623 2001-01-10  Neil Booth  <neil@daikokuya.demon.co.uk>
1624
1625         * Makefile.in (tradcpp0): Depend on mkdeps.h.  Link mkdeps.o
1626         * cppinit.c (cpp_start_read): Update comment, remove unneeded
1627         if statement.
1628         * tradcpp.c: Include mkdeps.h.
1629         (deps, print_deps_phony_targets, deps_append, output_deps,
1630         init_dependency_output, output_deps): New.
1631         (deps_buffer, deps_allocated_size, deps_size, deps_column,
1632         deps_output): Delete.
1633         (print_deps_missing_files): Rename deps_missing_files.
1634         (inhibit_output): Make global.
1635         (main): Delete inhibit_output, deps_stream, deps_target.
1636         Use mkdeps functionality in the same way as cpplib.  Remove
1637         -g3 handling.  Handle -MF, -MP, -MQ, -MT.  Update handling of
1638         -M and -MM.  Remove old handling of deps via deps_out, and
1639         old reading of environment variables.
1640         (get_filename): Update to use deps_add_dep.
1641
1642 2001-01-10  Mark Mitchell  <mark@codesourcery.com>
1643
1644         * output.h (make_function_rtl): Remove prototype.
1645         (make_decl_rtl): Likewise.
1646         * varasm.c (make_function_rtl): Remove.
1647         (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1648         than from a third parameter.
1649         * tree.h (make_decl_rtl): Remove last parameter.
1650         * c-decl.c (builtin_function): Remove last argument in call to
1651         make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1652         (start_function): Likewise.
1653         * except.c (call_get_eh_context): Likewise.
1654         * expr.c (emit_block_move): Likewise.
1655         (clear_storage): Likewise.
1656         * profile.c (output_func_start_profiler): Likewise.
1657         * toplev.c (rest_of_decl_compilation): Likewise.
1658         * objc/objc-act.c (create_builtin_decl): Likewise.
1659         (synth_module_prologue): Likewise.
1660         (generate_static_reference): Likewise.
1661         (build_selector_reference_decl): Likewise.
1662         (build_class_reference_decl): Likewise.
1663         (build_objc_string_decl): Likewise.
1664         (build_protocol_reference): Likewise.
1665
1666 2001-01-10  Richard Henderson  <rth@redhat.com>
1667
1668         * hwint.h: Revert yesterday's change.
1669
1670 2001-01-10  Nick Clifton  <nickc@redhat.com>
1671
1672         * function.h (save_machine_status): Delete.
1673         (restore_machine_status): Delete.
1674         Amend comment describing {init|mark|free}_machine_status.
1675
1676         * function.c (save_machine_status): Delete.
1677         (restore_machine_status): Delete.
1678         Amend comment describing {init|mark|free}_machine_status.
1679         (push_function_context_to): Remove invocation of
1680         save_machine_status.
1681         (pop_function_context_from): Remove invocation of
1682         restore_machine_status.
1683
1684         * emit-rtl.c (init_emit_once): Amend comment describing
1685         {init|mark|free}_machine_status.
1686
1687         * tm.texi (Per-Function Data): New node.  Describe the
1688         INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1689         function pointers.
1690
1691 2001-01-10  Neil Booth  <neil@daikokuya.demon.co.uk>
1692
1693         * cppinit.c (OPT_g): Remove.
1694         (cpp_handle_option): Update for removed -g3.
1695         (print_help): Update.
1696         * cpplib.h (struct cpp_options): Remove debug_output.
1697         * cppmain.c (setup_callbacks, cb_define): Update.
1698         * gcc.c (cpp_options): Translate -g3 to -dD.
1699
1700 2001-01-10  Aldy Hernandez  <aldyh@redhat.com>
1701
1702         * config/i960/i960.md: Change modifier to + on the zero_extract
1703         pattern after the (rotate -2 reg) canonicalization pattern.
1704
1705 2001-01-10  Richard Henderson  <rth@redhat.com>
1706
1707         * config/alpha/alpha.c (alpha_free_machine_status): New.
1708         (override_options): Install it.
1709         (alpha_mark_machine_status): Verify machine non-null.
1710         * config/i386/i386.c (ix86_free_machine_status): New.
1711         (override_options): Install it.
1712         (ix86_init_machine_status): Use xcalloc.
1713         (ix86_mark_machine_status): Verify machine non-null.
1714         * config/ia64/ia64.c (ia64_free_machine_status): New.
1715         (ia64_override_options): Install it.
1716         (ia64_mark_machine_status): Verify machine non-null.
1717
1718 Wed Jan 10 11:34:39 2001  Jeffrey A Law  (law@cygnus.com)
1719
1720         * function.c (instantiate_virtual_regs): Instantiate virtual
1721         registers found in CALL_INSN_FUNCTION_USAGE.
1722
1723 2001-01-10  Joseph S. Myers  <jsm28@cam.ac.uk>
1724
1725         * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1726         equivalent to -ansi in disabling -Di386.
1727
1728 Wed Jan 10 16:38:31 MET 2001  Jan Hubicka  <jh@suse.cz>
1729
1730         * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1731         new functions.
1732         (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1733
1734 2001-01-10  Richard Earnshaw  <rearnsha@arm.com>
1735
1736         * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1737
1738 2001-01-10  Joseph S. Myers  <jsm28@cam.ac.uk>
1739
1740         * invoke.texi: Document that -fcond-mismatch isn't supported for
1741         C++.
1742
1743 2001-01-10  Joseph S. Myers  <jsm28@cam.ac.uk>
1744
1745         * gcc.texi: Define macro gcctabopt.
1746         * invoke.texi: Add manpage sections BUGS and AUTHOR.  Use
1747         @command, @env and @option in some places where appropriate.  Use
1748         @gcctabopt where appropriate.  Put URLs and email addresses inside
1749         @w.
1750
1751 2001-01-10  Nathan Sidwell  <nathan@codesourcery.com>
1752
1753         * gcc.c (cpp_options): Set MD file name from output
1754         filename, if specified.
1755         (suffix_subst): New static variable.
1756         (do_spec): Clear it.
1757         (do_spec_1, case '.'): Handle new `%.suffix' spec.
1758         Clear it.
1759         (give_switch): Handle suffix_subst.
1760
1761 2001-01-10  Phil Edwards  <pme@sources.redhat.com>
1762
1763         * invoke.texi:  Fix another typo.
1764
1765 2001-01-10  Phil Edwards  <pme@sources.redhat.com>
1766
1767         * invoke.texi:  Fix typo.
1768
1769 2001-01-10  Neil Booth  <neil@daikokuya.demon.co.uk>
1770
1771         * c-lang.c (lang_hooks): Update.
1772         (lang_decode_option): Remove.
1773         (lang_init_options): Rename c_init_options.
1774         * toplev.c (main): Use lang_hooks for lang_init_options
1775         and lang_decode_option.
1776         * toplev.h (lang_hooks): Add 2 new hooks.
1777         * tree.h: Remove lang_init_options and lang_decode_option.
1778         * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1779         * cp/decl2.c: Similarly.
1780         * cp/lex.c (lang_init_options): Rename cxx_init_options.
1781         (lang_hooks): Update.
1782         * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1783         for consistency.
1784         (lang_init_options): Rename ffe_init_options.
1785         (lang_hooks): Update.
1786         (lang_decode_option): Remove.
1787         * java/lang.c (lang_init_options): Rename java_init_options.
1788         (lang_decode_option): Rename java_decode_option.
1789         (lang_hooks): Update.
1790         * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1791         (lang_decode_option): Rename objc_decode_option.
1792         (lang_hooks): Update.
1793
1794 2001-01-09  Nick Clifton  <nickc@redhat.com>
1795
1796         * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1797         (d30v_return_addr_rtx): Delete.
1798         (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1799         cfun->machine structure.
1800         (struct machine_function): Move to d30v.h
1801         (d30v_save_machine_status): Delete.
1802         (d30v_restore_machine_status): Delete.
1803         (d30v_init_machine_status): New Function.
1804         (d30v_mark_machine_status): New Function.
1805         (d30v_free_machine_status): New Function.
1806         (d30v_init_expanders): Use new functions.
1807         (d30v_return_addr): Use ra_rtx field in cfun->machine.
1808         (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1809         d30v_return_addr_rtx.
1810
1811         * config/d30v/d30v.h (struct_machine): Move here.
1812         Add eh_epilogue_sp_ofs field.
1813
1814         *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1815         field in cfun->machine structure.
1816
1817 Tue Jan  9 21:34:57 2001  John David Anglin  <dave@hiauly1.hia.nrc.ca>
1818
1819         * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1820         PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1821         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1822
1823 Tue Jan  9 21:25:19 2001  Jeffrey A Law  (law@cygnus.com)
1824
1825         * objc/lang-options.h: Remove bogus reference to
1826         Java trademark.
1827
1828 2001-01-09  Kazu Hirata  <kazu@hxi.com>
1829
1830         * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1831         return the result.
1832
1833 2001-01-09  Alan Lehotsky  <lehotsky@tiac.net>
1834
1835         * reload.c (find_reloads_address): Check for eliminable registers
1836                   when substituting a constant expression for a pseudo.
1837
1838 2001-01-09  Joseph S. Myers  <jsm28@cam.ac.uk>
1839
1840         * c-common.c (enum format_type): Add format_type_error.
1841         (decode_format_type): New function.
1842         (decl_attributes): Use it.
1843         (format_kind_info): Adjust comment.
1844
1845 2001-01-09  David O'Brien  <obrien@BSDi.com>
1846
1847         * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1848         i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1849         files in tm_file.
1850         * config/i386/gnu.h: Don't include required platform specific .h files,
1851         tm.h will do it instead.
1852         * config/i386/i386elf.h: Likewise.
1853         * config/i386/linux.h: Likewise.
1854         * config/i386/moss.h: Likewise.
1855         * config/mips/gnu.h: Likewise.
1856
1857 2001-01-09  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
1858
1859         * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1860         (rs6000-ibm-aix3.[01]*): Likewise.
1861         (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1862         (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1863         (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1864         (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1865         (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1866         (powerpc-*-eabiaix*): Likewise.
1867         (powerpc-*-eabisim*): Likewise.
1868         (powerpc-*-elf*): Likewise.
1869         (powerpc-*-eabi*): Likewise.
1870         (powerpc-*-rtems*): Likewise.
1871         (powerpc-*-linux*libc1): Likewise.
1872         (powerpc-*-linux*): Likewise.
1873         (powerpc-wrs-vxworks*): Likewise.
1874         (powerpcle-wrs-vxworks*): Likewise.
1875         (powerpcle-*-sysv*): Likewise.
1876         (powerpcle-*-elf*): Likewise.
1877         (powerpcle-*-eabisim*): Likewise.
1878         (powerpcle-*-eabi*): Likewise.
1879         (powerpcle-*-solaris2*): Likewise.
1880         * config/rs6000/aix31.h: Delete includes.
1881         * config/rs6000/aix3newas.h: Likewise.
1882         * config/rs6000/aix41.h: Likewise.
1883         * config/rs6000/aix43.h: Likewise.
1884         * config/rs6000/beos.h: Likewise.
1885         * config/rs6000/rtems.h: Likewise.
1886         * config/rs6000/sysv4.h: Likewise.
1887
1888 2001-01-09  Kazu Hirata  <kazu@hxi.com>
1889
1890         * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1891         Change an argument mode of machine_mode to shift_mode of
1892         shift_mode.  Remove an extra error check.
1893         (emit_a_shift): Adopt to the new calling prototype of
1894         get_shift_alg.
1895         (function_prologue): Fix code for a monitor
1896         function.  Support H8/S.
1897         (function_epilogue): Do not output pop for a monitor function.
1898
1899 2001-01-09  Nick Clifton  <nickc@redhat.com>
1900
1901         * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1902         (setup_incoming_varargs): Use sysv_varargs_p field of the
1903         cfun->machine structure.
1904         (struct machine_function): Move to rs6000.h
1905         (rs6000_save_machine_status): Delete.
1906         (rs6000_restore_machine_status): Delete.
1907         (rs6000_init_machine_status): New Function.
1908         (rs6000_free_machine_status): New Function.
1909         (rs6000_init_expanders): Use new functions.
1910
1911         * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1912         export.
1913         (struct machine_function): Move here.
1914
1915         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1916         sysv_varargs_p field of the cfun->machine structure.
1917
1918         * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1919         Remove prototype.
1920         (rs6000_restore_machine_status): Remove prototype.
1921
1922 2001-01-09  Richard Henderson  <rth@redhat.com>
1923
1924         * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1925         reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1926         * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1927         (sched_analyze_2, sched_analyze_insn): Likewise.
1928         (sched_analyze, init_deps): Likewise.
1929         (free_deps): Likewise.  Iterate with EXECUTE_IF_SET_IN_REG_SET.
1930         * sched-rgn.c (propagate_deps): Likewise.  Remove max_reg argument.
1931         (compute_block_backward_dependences): Update propagate_deps call.
1932
1933 2001-01-09  Mark Elbrecht  <snowball3@bigfoot.com>
1934
1935         * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1936
1937 2001-01-09  Neil Booth  <neil@daikokuya.demon.co.uk>
1938
1939         * cppinit.c (OPT_MD, OPT_MMD): Restore.
1940         (cpp_handle_option): Handle them.
1941         (cpp_post_options): Ensure one of -M or -MM is specified with
1942         any other -M? option.
1943         (init_dependency_output): Suppress output with -MG.
1944
1945 2001-01-09  Neil Booth  <neil@daikokuya.demon.co.uk>
1946
1947         * cpp.texi: Update.
1948         * invoke.texi: Update.
1949
1950 2001-01-09  Bernd Schmidt  <bernds@redhat.com>
1951
1952         * sh.md (reload_outsf): Generate recognizable patterns for
1953         TARGET_SH3E.
1954
1955 2001-01-09  Neil Booth  <neil@daikokuya.demon.co.uk>
1956
1957         * c-lang.c (lang_hooks): Update.
1958         (lang_init): Rename c_init.
1959         (lang_finish): Remove.
1960         * toplev.c (compile_file): Use lang_hooks for lang_init ()
1961         and lang_finish ().
1962         * toplev.h (lang_hooks): Add init () and finish ().
1963         * tree.h (lang_init, lang_finish): Remove.
1964         * cp/tree.h (lang_init, lang_finish): Remove.
1965         * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1966         * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1967         lang_hooks): New.
1968         (lang_init, lang_finish): Remove.
1969         * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1970         (lang_hooks): Update.
1971         * java/lang.c (lang_init): Rename java_init.
1972         (lang_finish): Remove.
1973         (lang_hooks): Update.
1974         * objc/objc-act.c (lang_init): Rename objc_init.
1975         (lang_finish): Remove.
1976         (lang_hoooks): Update.
1977
1978 20001-01-09  Graham Stott  <grahams@redhat.com>
1979
1980         * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1981         after `ptr` is initialised.
1982
1983 2001-01-09  Alexandre Oliva  <aoliva@redhat.com>
1984
1985         * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1986         (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1987         * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1988         stack adjusts, instead of r3.
1989
1990 2001-01-09  Michael Hayes  <mhayes@redhat.com>
1991
1992         * flow.c (flow_loop_scan): Break out of ...
1993         (flow_loops_find) ... here.
1994         * basic-block.h (flow_loop_scan): New.
1995         (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1996         (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1997
1998 2001-01-09  Alexandre Oliva  <aoliva@redhat.com>
1999
2000         * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
2001         macro_buffer_len.
2002         * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
2003         realloc()ing macro_buffer.
2004
2005         * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
2006         if it's wider than long and the target's long is wider than the
2007         host's.
2008
2009 2001-01-09  Mark Mitchell  <mark@codesourcery.com>
2010
2011         Remove support for using UWIN as a host machine.
2012         * configure.in: Issue an error message.
2013         * configure: Regenerated.
2014         * config.gcc: Remove xm_* UWIN configury.
2015         * config/i386/xm-uwin.h: Remove.
2016
2017 2001-01-08  Nick Clifton  <nickc@redhat.com>
2018
2019         * config/v850/v850.c (ra_rtx): Delete.
2020         (v850_save_machine_status): Delete.
2021         (v850_restore_machine_status): Delete.
2022         (v850_init_machine_status): New function.
2023         (v850_mark_machine_status): New function.
2024         (v850_free_machine_status): New function.
2025         (v850_return_addr): Use ra_rtx field in machine structure.
2026         (v850_init_expanders): Use new functions.
2027
2028         * config/v850/v850-protos.h: Fix prototypes for v850_output_*
2029         * config/v850/v850.c: Change arguments to v850_output+* functions
2030         to take a const char *, to avoid compile time warning.
2031         * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
2032         (USER_LABEL_PREFIX): Redefine.
2033
2034 2000-01-08  Jim Wilson  <wilson@redhat.com>
2035
2036         * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
2037         1 to unsigned HOST_WIDE_INT before left shift.
2038
2039 2001-01-08  Nick Clifton  <nickc@redhat.com>
2040
2041         * config/arm/arm.c (arm_mark_machine_status): Check to see if
2042         the machine structure has been allocated.
2043         (arm_free_machine_status): New function: Free the machine
2044         specific function structure.
2045
2046 2001-01-08  Richard Henderson  <rth@redhat.com>
2047
2048         * jump.c (simplejump_p): Revert last change.
2049
2050 2001-01-08  Neil Booth  <neil@daikokuya.demon.co.uk>
2051
2052         * cppinit.c (init): Rename init_library.
2053         (cpp_create_reader): Update.
2054         * gcc.c (cpp_options): If -o given, use it as the target of
2055         any -M options.
2056
2057 2001-01-08  Richard Earnshaw  <rearnsha@arm.com>
2058
2059         * arm.c (arm_arch5e): New variable.
2060         (all_cores): XScale is a 5TE device.
2061         (arm_override_options): Set arm_arch5e.
2062         (arm_init_builtins): __builtin_prefetch is in arch5e.
2063         * arm.h (arm_arch5e): Declare it.
2064
2065         * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
2066
2067         * arm.md (define_constants): Add defines for UNSPEC and
2068         UNSPEC_VOLATILE insns.  Update all users.
2069         (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
2070         * arm.c (multi_register_push, note_invalid_constants)
2071         (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
2072         * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
2073         (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
2074
2075 Mon Jan  8 16:14:56 MET 2001  Jan Hubicka  <jh@suse.cz>
2076
2077         * jump.c (jump_optimize_1): Use reversed_comparison_code
2078         instead of can_reverse_comparison_p.
2079         (jump_back_p): Likewise.
2080         (invert_exp_1): Likewise.
2081         (thread_jumps): Likewise.
2082         * simplify-rtx.c (simplify_unary_operation): Likewise.
2083         (simplify_ternary_operation): Likewise.
2084         * cse.c (find_comparison_args): Convert to use
2085         can_reverse_comparison_p.
2086         (record_jump_equiv): Likewise.
2087
2088 2001-01-08  Richard Earnshaw  <rearnsha@arm.com>
2089
2090         * arm.h (HARD_REGNO_RENAME_OK): Delete.
2091         (EPILOGUE_USES): Define.
2092         (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
2093         automatically stack the LR if it isn't live.
2094
2095 Mon Jan  8 13:46:02 MET 2001  Jan Hubicka  <jh@suse.cz>
2096
2097         * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
2098         properly.
2099
2100 Sun Jan  7 18:37:43 2001  Mark P Mitchell  <mark@codesourcery.com>
2101
2102         * ggc-page.c (max_alignment): New structure.
2103         (MAX_ALIGNMENT): New macro.
2104         (init_ggc): Use it to round up the sizes in the
2105         extra_order_size_table.
2106
2107 2001-01-07  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
2108
2109         * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
2110         after reload.
2111
2112 2001-01-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2113
2114         * builtins.def (BUILT_IN_FPRINTF): New entry.
2115
2116         * c-common.c (c_expand_builtin_fprintf): New function.
2117         (init_function_format_info): Handle __builtin_fprintf.
2118         (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
2119         (c_expand_builtin): Handle BUILT_IN_FPRINTF.
2120
2121         * c-decl.c (duplicate_decls): Adjust comment.
2122
2123         * extend.texi (fprintf): Document new builtin.
2124
2125 2001-01-07  Richard Henderson  <rth@redhat.com>
2126
2127         * jump.c (simplejump_p): Recognize any single_set jump
2128         of the proper form.
2129
2130 2001-01-07  Richard Henderson  <rth@redhat.com>
2131
2132         * configure.in (slibdir): Accept an --with-slibdir option.
2133         Use "test" not "[" in configure.  Default to $(libdir).
2134
2135         * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
2136         fix typo in rm -f.
2137         * config/t-aix43 (SHLIB_INSTALL): Likewise.
2138         * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
2139         (SHLIB_LINK): Create links for the soname.
2140         * config/mips/t-iris6: Likewise.
2141         * config/sparc/t-slibgcc: Likewise.
2142         * config/sparc/t-slibgcc-sld: Likewise.
2143
2144 2001-01-07  Jakub Jelinek  <jakub@redhat.com>
2145
2146         * config/i386/i386.c (constant_call_address_operand): Accept
2147         (const (plus (symbol_ref) (const_int))).
2148         * config/i386/i386.h (PREDICATE_CODES): Add CONST for
2149         constant_call_address_operand.
2150
2151 2001-01-08  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
2152
2153         * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
2154         and LONG_LONG_TYPE_SIZE > 32.
2155
2156 2001-01-07  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
2157
2158         * jump.c (reversed_comparison_code_parts): Fix typo introduced by
2159         the previous change.
2160
2161 Sun Jan  7 19:37:48 MET 2001  Jan Hubicka  <jh@suse.cz>
2162
2163         * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
2164         New.
2165         (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
2166         (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
2167         * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
2168         Declare.
2169
2170 2001-01-07  Neil Booth  <neil@daikokuya.demon.co.uk>
2171
2172         * fix-header.c (read_scan_file): s/pfile/scan_in/.
2173
2174 2001-01-07  Neil Booth  <neil@daikokuya.demon.co.uk>
2175
2176         * c-lang.c (c_post_options): Call cpp_post_options.
2177         * objc/objc-act.c (objc_post_options): Similarly.
2178         * cppmain.c (main): Similarly.
2179         * fix-header.c (read_scan_file): Similarly.
2180         * cppinit.c (cpp_start_read): Move option consistency checks
2181         to cpp_post_options.  Don't call init_dependency_output.
2182         If needed, add default target and main file dependency.
2183         (OPT_MD, OPT_MMD): Remove.
2184         (OPT_MF): New.
2185         (cpp_handle_option): Update for OPT_* changes.
2186         (cpp_post_options): New.
2187         (init_dependency_output): Command line -MF overrides environment
2188         variables.  Don't set default target etc.  Suppress output
2189         if dependencies are going to stdout.
2190         (print_help): Update.
2191         * cpplib.h (cpp_post_options): New.
2192         * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
2193
2194 Sun Jan  7 14:44:19 MET 2001  Jan Hubicka  <jh@suse.cz>
2195
2196         * jump.c (comparison_dominates_p): Support unordered compares.
2197
2198 Sun Jan  7 14:39:07 MET 2001  Jan Hubicka  <jh@suse.cz>
2199
2200         * simplify-rtx.c (simplify_relational_operation): Always simplify
2201         ORDERED and UNORDERED when FLAG_FAST_MATH.  Handle properly UNLE
2202         and UNGE.
2203
2204 Sun Jan  7 14:35:13 MET 2001  Jan Hubicka  <jh@suse.cz>
2205
2206         * combine.c (combine_simplify_rtx): Recognize the unordered compares.
2207         (nonzero_bits): Likewise.
2208         (simplify_comparison): Likewise.
2209         (num_sign_bit_copies): Likewise; return more sane value depending
2210         on STORE_FLAG_VALUE.
2211         (known_cond): Do not assume EQ to be always true for equivalent
2212         operands.
2213
2214 Sun Jan  7 14:31:57 MET 2001  Jan Hubicka  <jh@suse.cz>
2215
2216         * cse.c (fold_rtx): Handle unordered comparisons.
2217
2218 Sun Jan  7 13:49:19 MET 2001  Jan Hubicka  <jh@suse.cz>
2219
2220         * rtlanal.c (set_of_1): New static function.
2221         (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
2222          reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
2223          reg_set_last_last_regno): Remove.
2224         (set_of): New global function.
2225         (set_of_data): New structure.
2226         (reg_set_p, reg_set_last): Revamp for set_of.
2227         * rtl.h (set_of): New.
2228
2229 2001-01-07  Joseph S. Myers  <jsm28@cam.ac.uk>
2230
2231         * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
2232         * extend.texi: Document _Exit builtin.
2233
2234 2001-01-07  Neil Booth  <neil@daikokuya.demon.co.uk>
2235
2236         * (initialize, initialize_builtins,
2237         initialize_dependency_output, initialize_standard_includes):
2238         Rename s/initialize/init. Update.
2239         (init_dependency_output): Move to after
2240         cpp_handle_options, the correct location temporally at least.
2241         (opt_comp): Move next to init (), its caller.  Fix prototype.
2242         (init): Make "initialized" local scope.
2243         (cpp_create_reader): Always call init ().
2244         (cpp_start_read): Update.
2245         (output_deps): New function, broken out of cpp_finish.
2246         (cpp_finish): Break out output_deps.
2247
2248 2001-01-07  Richard Henderson  <rth@redhat.com>
2249
2250         * collect2.c (COFF specific stuff): Revert 12-06 patch
2251         to prototype system functions.
2252
2253 2001-01-07  Michael Hayes  <mhayes@redhat.com>
2254
2255         * hard-reg-set.h: Add multiple include guard.
2256         * basic-block.h (struct loop): Add `sink' field.
2257         * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
2258         (emit_iv_add_mult): Delete.
2259         (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
2260         (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
2261         (unroll_loop): Remove end_insert_before argument.
2262         * loop.c (loop_givs_rescan): Remove end_insert_before argument.
2263         (maybe_eliminate_biv_1): Likewise.
2264         (emit_iv_add_mult): Delete.
2265         (gen_add_mult, loop_regs_update): New.
2266         (loop_insn_emit_after, loop_insn_emit_before): New.
2267         (loop_insn_sink, loop_insn_sink_or_swim): New.
2268         (emit_iv_add_mult): Delete.
2269         (scan_loop): Set loop->sink.
2270         (loop_givs_reduce): Use loop_insn_sink and its ilk.
2271         (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
2272         (maybe_eliminate_biv_1): Likewise.
2273         (maybe_eliminate_biv_1): Add basic block argument.
2274         * unroll.c (unroll_loop): Remove end_insert_before argument.
2275         (find_splittable_regs): Likewise.
2276         (find_splittable_regs): Use loop_insn_sink and its ilk.
2277         (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
2278
2279 2001-01-07  Michael Hayes  <mhayes@redhat.com>
2280
2281         * loop.h (loop_insn_hoist): New prototype.
2282         * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
2283         (move_movables, loop_givs_rescan): Use loop_insn_hoist.
2284         (check_dbra_loop, load_mems): Likewise.
2285         * unroll.c (unroll_loop, find_splittable_regs): Likewise.
2286         (find_splittable_givs): Likewise.
2287
2288 2001-01-07  Michael Hayes  <mhayes@redhat.com>
2289
2290         * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
2291
2292 2001-01-07  Richard Henderson  <rth@redhat.com>
2293
2294         * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
2295
2296 2001-01-07  Richard Henderson  <rth@redhat.com>
2297
2298         * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
2299         NO_SHARED_LIBGCC_MULTILIB as required for the target.
2300         * gcc.c (init_spec): Massage the existing libgcc_spec into a
2301         variant that handles a shared libgcc.
2302         (process_command): Always validate -{static,shared}-libgcc.
2303         (do_spec_1): New 'M' case.
2304         * invoke.text (Link Options): Document -{static,shared}-libgcc.
2305
2306 2001-01-07  Richard Henderson  <rth@redhat.com>
2307
2308         * Makefile.in (slibdir): New variable.
2309         (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
2310         (installdirs): Create slibdir.
2311         (install-libgcc, install-multilib): Defer to libgcc.mk.
2312         * configure.in (slibdir): Substitute.
2313         * mklibgcc.in (install): New target.
2314
2315         * config/t-linux (SHLIB_LINK): Create links for the soname.
2316         (SHLIB_INSTALL): New.
2317         * config/alpha/t-osf4 (SHLIB_INSTALL): New.
2318         * config/mips/t-iris6 (SHLIB_INSTALL): New.
2319         * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
2320         * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
2321         * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
2322
2323 2001-01-07  Richard Henderson  <rth@redhat.com>
2324
2325         * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
2326         * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
2327         * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
2328
2329 2001-01-07  Michael Hayes  <mhayes@redhat.com>
2330
2331         * loop.c (count_loop_regs_set): Delete.
2332         (load_mems_and_recount_loop_regs_set): Delete.
2333         (loop_regs_scan): Merge common code from count_loop_regs_set,
2334         scan_loop, and load_mems_and_recount_loop_regs_set.
2335         (scan_loop): Call load_mems directly and loop_regs_scan
2336         again if new registers created.
2337
2338 2001-01-07  Neil Booth  <neil@daikokuya.demon.co.uk>
2339
2340         * toplev.c (main): Call the front-end specific post_options
2341         hook if one is given.
2342         * toplev.h (struct_lang_hooks, lang_hooks): New.
2343         * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
2344         for the C front end.
2345         * cp/decl2.c (cxx_post_options, lang_hooks): Implement
2346         lang_hooks for the C++ front end.
2347         * objc/objc-act.c (objc_post_options, lang_hooks): Implement
2348         lang_hooks for the ObjC front end.
2349         * f/com.c (lang_hooks): Hooks for the Fortran front end.
2350         * java/lang.c (lang_hooks): Hooks for the Java front end.
2351
2352 2001-01-07  Neil Booth  <neil@daikokuya.demon.co.uk>
2353
2354         * c-lex.c (init_c_lex): Request #define / #undef callbacks
2355         for verbose DWARF[2] debugging.
2356         (cb_define, cb_undef): The new callbacks.
2357         * toplev.h (debug_define, debug_undef): Make const correct.
2358         * toplev.c (debug_define, debug_undef): Similarly.  Do not
2359         perform the verbosity tests here anymore.
2360
2361 2001-01-07  Alexandre Oliva  <aoliva@redhat.com>
2362
2363         * reload.c (subst_reloads): Take INSN argument.  When
2364         replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
2365         * reload.h (subst_reloads): Adjust prototype.
2366         * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
2367         * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
2368         present in JUMP_INSNs and copy them to JUMP_LABEL.
2369         * flow.c (find_label_refs, find_basic_blocks_1): Skip
2370         JUMP_INSNs and insns with REG_LABELs that are followed by
2371         JUMP_INSNs with the same REG_LABEL.
2372         * sched-rgn.c (is_cfg_nonregular): Likewise.
2373         * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
2374         note is available.
2375         * unroll.c (unroll_loop): Look for REG_LABEL notes in
2376         JUMP_INSNs too.
2377         * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
2378
2379 2001-01-06  Richard Henderson  <rth@redhat.com>
2380
2381         * loop.c (scan_loop): Use xcalloc for the regs array.
2382         (load_mems_and_recount_loop_regs_set): Zero the new memory
2383         received from xrealloc.
2384
2385 2001-01-06  Neil Booth  <neil@daikokuya.demon.co.uk>
2386
2387         * mkdeps.c (deps_add_dep): Fix vector re-allocation.
2388
2389 Sat Jan  6 00:09:34 2001  J"orn Rennecke <amylaar@redhat.com>
2390
2391         * integrate.c (copy_rtx_and_substitute): When copying
2392         an ignored return value, strip REG_FUNCTION_VALUE_P.
2393
2394 2001-01-06  Michael Hayes  <mhayes@redhat.com>
2395
2396         * loop.c (debug_biv, debug_giv): New.
2397         (loop_biv_dump): Break out from ...
2398         (record_biv): ... here.
2399         (loop_giv_dump): Break out from ...
2400         (record_giv): ... here.
2401         (loop_bivs_check): Use print_simple_rtl.
2402         * unroll.c (loop_iterations): Use print_simple_rtl.
2403
2404 2000-01-05  John David Anglin  <dave@hiauly1.hia.nrc.ca>
2405
2406         * pa.md (return, return_internal): Modify patterns to prevent regrename
2407         mucking with the return pointer.
2408
2409 2001-01-05  Richard Henderson  <rth@redhat.com>
2410
2411         * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
2412
2413 Fri Jan  5 16:34:18 2001  Nick Clifton  <nickc@redhat.com>
2414
2415         * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
2416         version supplied by Matteo Frigo.
2417
2418 2001-01-05  Neil Booth  <neil@daikokuya.demon.co.uk>
2419
2420         * cpp.texi: Update for -MQ.
2421         * cppinit.c (cpp_create_reader): Always create pfile->deps.
2422         (cpp_cleanup): Always free pfile->deps.
2423         (initialize_dependency_output): Don't create pfile->deps.
2424         (cpp_handle_option): Similarly.
2425         (OPT_MQ): New.
2426         * gcc.c (cpp_options): Handle -MQ.
2427         (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2428         * mkdeps.c (base_name): Remove.
2429         (deps_init): Don't allocate vector space until it's needed.
2430         (deps_free): Only free vectors if allocated.
2431         (deps_add_target, deps_add_dep): Update for initial allocation.
2432         (deps_add_default_target): Don't strip to the base_name.
2433
2434 2001-01-05  DJ Delorie <dj@redhat.com>
2435
2436         * config/v850/v850.h (RETURN_ADDR_RTX): Define.
2437         (INIT_EXPANDERS): Define.
2438
2439         * config/v850/v850.c (struct machine_function): Define.
2440         (v850_save_machine_status): New function.
2441         (v850_restore_machine_status): New function.
2442         (v850_return_addr): New function.
2443         (v850_init_expanders): New function.
2444
2445         * config/v850/v850-protos.h: Add prototypes for v850_return_addr
2446         and v850_init_expanders.
2447
2448 2001-01-05  Zack Weinberg  <zack@wolery.stanford.edu>
2449
2450         * cpplib.h (struct cpp_reader): Add help_only field.
2451         * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
2452         (cpp_handle_option): Set pfile->help_only if we see -h,
2453         --help, -target-help, or --version.  Print version string but
2454         do not set help_only if we see -v or -version.  Make text
2455         printed by -v match that printed by (-)-version.
2456
2457         * cppmain.c (main): Exit after option parsing if
2458         pfile->help_only is true.
2459
2460         * toplev.c (independent_decode_option): Call print_version,
2461         then exit, if we see --version (but not -version).
2462         (print_version): Split lengthy message into two lines.
2463
2464 2001-01-05  Nick Clifton  <nickc@redhat.com>
2465
2466         * config/v850/v850.c (v850_encode_data_area): Use alloca to create
2467         temporary string for initialisation before calling ggc_alloc_string.
2468
2469 2001-01-06  Michael Hayes  <mhayes@redhat.com>
2470
2471         * rtl.h (print_simple_rtl): New.
2472         * print-rtl.c (print_simple_rtl): New.
2473         (flag_simple): New.
2474         (print_rtx): Disable printing of flags and modes, etc.,
2475         if `flag_simple` nonzero.
2476
2477 2001-01-05  Zack Weinberg  <zack@wolery.stanford.edu>
2478
2479         * function.c (fixup_var_refs): Use push_to_full_sequence where
2480         possible.
2481
2482 2001-01-05  Michael Meissner  <meissner@redhat.com>
2483
2484         * flags.h (flag_reorder_blocks): Add declaration.
2485         (flag_rename_block): Ditto.
2486
2487 2001-01-05  DJ Delorie  <dj@redhat.com>
2488
2489         * function.c (reorder_blocks): Make sure the flags are all reset
2490         before using them to mark blocks, else a second invocation will
2491         corrupt the block chain.
2492         (reorder_blocks_0): New, resets the flags.
2493
2494 Fri Jan  5 20:34:06 2001  J"orn Rennecke <amylaar@redhat.com>
2495
2496         * cse.c (find_comparison_args): Stop if the argument is known to
2497         be constant.
2498
2499 2001-01-05  Alexandre Oliva  <aoliva@redhat.com>
2500
2501         * config/sh/sh.md (movdf): When splitting load into pair of
2502         registers, don't clobber the register used in the address too
2503         early.
2504
2505 2001-01-05  Jeffrey Oldham  <oldham@codesourcery.com>
2506
2507         * varasm.c (mark_constant_pool): Improve initial comments.
2508         (mark_constants): Move marking of constants to mark_constant.
2509         (mark_constant): New function to recursively mark all constants
2510         referred to by a constant.
2511
2512 2001-01-05  Catherine Moore  <clm@redhat.com>
2513
2514         * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2515
2516 2001-01-05  Phil Edwards  <pme@sources.redhat.com>
2517
2518         * cp/lang-options.h:  Bring comment in line with reality.
2519         * f/lang-options.h:  Likewise.
2520         * java/lang-options.h:  Likewise.
2521         * objc/lang-options.h:  Likewise.
2522         * ch/lang-options.h:  Likewise.
2523         * f/g77.texi:  And update the manual.
2524
2525 2001-01-05  Marek Michalkiewicz  <marekm@linux.org.pl>
2526             Denis Chertykov  <denisc@overta.ru>
2527
2528         * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2529         * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2530         * config/avr/avr.md (all peepholes that request a scratch register):
2531         Call it, FAIL the peephole if not safe (in interrupt functions).
2532
2533 2001-01-05  Mark Mitchell  <mark@codesourcery.com>
2534
2535         * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2536
2537 2001-01-05  Joseph S. Myers  <jsm28@cam.ac.uk>
2538
2539         * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2540         Define.
2541         * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2542         BUILT_IN_CREAL and BUILT_IN_CIMAG.
2543         * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2544         conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2545         (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2546         BUILT_IN_CIMAG.
2547         * extend.texi: Document these builtins.
2548
2549 2001-01-05  Daniel Berlin  <dberlin@redhat.com>
2550
2551         * c-common.c (lang_get_alias_set): Say we know nothing of
2552         VECTOR_TYPE aliasing.
2553
2554         * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2555
2556 2001-01-05  Bruce Korb  <bkorb@gnu.org>
2557
2558         * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2559         their x* equivalent versions for atexit-less systems
2560         * fixinc/fixincl.c(main): do not return from main() on atexit-less
2561         systems (or any other system any more).
2562
2563 2001-01-05  Richard Earnshaw  <rearnsha@arm.com>
2564
2565         * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2566         output operands.  Use arm_hard_register_operand for operand 4.
2567         (stmsi_postinc): Similarly.
2568         (ldmsi): Use arm_hard_register_operand for opernand 2.
2569         (stmsi): Similarly.
2570         * arm.c (arm_hard_register_operand): New function.
2571         * arm-protos.h (arm_hard_register_operand): Prototype it.
2572
2573         * arm.h (HARD_REGNO_RENAME_OK): Define.
2574
2575 Fri Jan  5 16:29:49 MET 2001  Jan Hubicka  <jh@suse.cz>
2576
2577         * simplify-rtx.c (cfc_args): add "unordered" field.
2578         (check_fold_consts): Set unordered field.
2579         (simplify_relational_operation): Simplify the unordered
2580         comparisons.
2581
2582         * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2583         is valid.
2584
2585         * emit-rtl.c (try_split): Fix code to mark labels.
2586         * jump.c (mark_jump_label): Make global.
2587         * rtl.h (mark_jump_label): Declare.
2588
2589         * predict.c (estimate_probability): Handle unordred comparisons.
2590
2591 2001-01-05  Neil Booth  <neil@daikokuya.demon.co.uk>
2592
2593         * cpp.texi: Update for -MP.  Clarify behaviour of -MT.
2594         * cppinit.c (initialize_dependency_output):  Update.
2595         (cpp_finish): Output dummy targets for -MP.
2596         (OPT_MP): New.
2597         (cpp_handle_option): Handle -MP.  Don't quote -MT options.
2598         * cpplib.h (struct cpp_options): Add deps_phony_targets.
2599         * gcc.c (cpp_options): Update to handle -MP.
2600         * mkdeps.c (deps_add_target, deps_add_default_target): Update
2601         to quote only the default target.
2602         (deps_phony_targets): Insert a preceding newline.  Rename from
2603         deps_dummy_targets for consistency.
2604         * mkdeps.h: Update
2605
2606 2001-01-05  Alexandre Oliva  <aoliva@redhat.com>
2607
2608         * calls.c (emit_library_call_value_1): Support
2609         INIT_CUMULATIVE_LIBCALL_ARGS.
2610         * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2611
2612 2001-01-04  Richard Henderson  <rth@redhat.com>
2613
2614         * c-decl.c (finish_struct): Detect flexible array members
2615         used in an inappropriate context.
2616         * c-typeck.c (really_start_incremental_init): Special case
2617         constructor_max_index for zero length arrays.
2618         (pop_init_level): Allow initialization of flexible array
2619         members.  Deprecate initialization of zero length arrays.
2620         Don't issue missing initializer warning for flexible array
2621         members or zero length arrays.
2622         (process_init_element): Don't dereference null DECL_SIZE.
2623         * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2624         Don't abort for empty constructors.  Use size_binop
2625         (output_constructor): Add commentary regarding zero length
2626         array futures.  Abort if we try to initialize an array of
2627         unspecified length with a non-empty constructor in the middle
2628         of a structure.
2629
2630         * extend.texi (Zero Length): Update and clarify documentation
2631         on static initialization.
2632
2633 2001-01-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
2634
2635         * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2636         with more than 32767 words of local storage.
2637
2638 2001-01-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
2639
2640         * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2641         for 'abs', 'labs', and 'fabs'.
2642         (c4x_expand_builtin): Likewise.
2643         * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2644
2645 2001-01-05  Alexandre Oliva  <aoliva@redhat.com>
2646
2647         * config/sh/sh.md (prget, prset): New insn types.
2648         (return delay slot): Dont' allow prset.
2649         (call, sfunc delay slot): Don't allow prget.
2650         (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2651         for prset and prget.
2652
2653 2001-01-05  Michael Hayes  <mhayes@redhat.com>
2654
2655         * loop.h (struct loop_reg): New.
2656         (struct loop_regs): Change to use array of `struct loop_reg'.
2657         * loop.c: Replace assortment of varrays with single regs array.
2658         (count_one_set): Delete may_not_move array argument
2659         and use regs array instead.  All caller's changed.
2660         (count_loop_regs_set): Delete may_not_move and single_usage
2661         arguments and use regs array instead.  All caller's changed.
2662         (find_single_use_in_loop): Replace usage array argument with pointer
2663         to regs structure.  All caller's changed.
2664         (loop_optimize): Delete `moved_once' array.
2665
2666 2001-01-05  Michael Hayes  <mhayes@redhat.com>
2667
2668         * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2669         Use it instead of loop_info->has_call for scanning loop mems.
2670         (check_dbra_loop): Replace loop_info->has_call test with
2671         loop_info->has_nonconst_call.
2672
2673 2000-01-04  Matthew Hiller  <hiller@redhat.com>
2674
2675         * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2676         for TARGET_SH3E.
2677
2678 2001-01-04  Joseph S. Myers  <jsm28@cam.ac.uk>
2679
2680         * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2681         use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2682
2683 2001-01-04  Joseph S. Myers  <jsm28@cam.ac.uk>
2684
2685         * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2686         (flag_short_double, flag_short_wchar): Define.
2687         (c_common_nodes_and_builtins): Create many tree nodes shared
2688         between C and C++ here instead of in cp/decl.c and ...
2689         * c-decl.c (init_decl_processing): ... here.
2690         (SIZE_TYPE, WCHAR_TYPE): Don't define.
2691         (flag_short_double, flag_short_wchar): Don't define.
2692         (record_builtin_type): New function.
2693         (build_void_list_node): New function.
2694         * c-common.h (flag_short_double, flag_short_wchar,
2695         record_builtin_type, build_void_list_node): Declare.
2696
2697 Thu Jan  4 21:09:47 2001  J"orn Rennecke <amylaar@redhat.com>
2698
2699         * integrate.c (expand_inline_function): Don't put a virtual
2700         register into the reg map.
2701
2702         * function.c (fixup_var_refs_1): If force_operand didn't put
2703         the address into the target, move it there.
2704
2705 2001-01-04  Mark Mitchell  <mark@codesourcery.com>
2706
2707         Special-case tree_decl/tree_list allocations.
2708         * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2709         (OBJECT_SIZE): New macro.
2710         (NUM_EXTRA_ORDER): Likewise.
2711         (extra_order_size_table): New variable.
2712         (NUM_ORDERS): New macro.
2713         (objects_per_page_table): New variable.
2714         (object_size_table): New variable.
2715         (G.pages): Use NUM_ORDERS to bound the array.
2716         (G.page_tails): Likewise.
2717         (DIV_ROUND_UP): Remove.
2718         (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2719         (alloc_page): Use OBJECT_SIZE.
2720         (size_lookup): Don't make it const.
2721         (ggc_alloc): Use OBJECT_SIZE.
2722         (ggc_set_mark): Likewise.
2723         (ggc_get_size): Likewise.
2724         (init_ggc): Set up the object_size_table, objects_per_page_table,
2725         and adjust size_lookup.
2726         (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2727         (ggc_pop_context): Use NUM_ORDERS.
2728         (clear_marks): Likewise.
2729         (sweep_pages): Likewise.
2730         (poison_pages): Likewise.
2731         (ggc_print_statistics): Use OBJECT_SIZE.
2732
2733 Thu Jan  4 15:54:05 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2734
2735         * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2736         Only call array_size_for_constructor if last field and array type
2737         with no upper bound.
2738
2739 2001-01-04  Philip Blundell  <philb@gnu.org>
2740
2741         * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2742         from bit 31 downwards, if this requires no more insns.
2743         (count_insns_for_constant): New helper function for above.
2744
2745 2001-01-04  Alexandre Oliva  <aoliva@redhat.com>
2746
2747         * gencodes.c (output_predicate_decls): Remove empty initializer.
2748
2749 2001-01-04  Mark Mitchell  <mark@codesourcery.com>
2750
2751         * tree.c (copy_node): Remove documentation about obstacks.
2752         (buidl1): Check that nobody tries to build 2-argument nodes this
2753         way.
2754
2755 2001-01-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2756
2757         * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2758         fp_high_losum_p.
2759
2760         * gencodes.c (output_predicate_decls): Fill empty initializer
2761         braces.
2762
2763 2001-01-04  Jakub Jelinek  <jakub@redhat.com>
2764
2765         * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2766         (main): Handle -MG, -MD, -MMD.  Bail out if -MG is given without -M
2767         or -MM.
2768         (do_include): Handle missing headers like cpp0.
2769         * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2770         paths with first include pathname.  Don't strcat to uninitialized
2771         string.
2772
2773 2001-01-04  Bernd Schmidt  <bernds@redhat.com>
2774
2775         * regrename.c (regrename_optimize): Don't rename from frame pointer
2776         if frame_pointer_needed.
2777         (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2778         * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2779         (ia64_reorg): Use it instead of scheduling if ! optimize.
2780         (errata_emit_nops): Properly call asm_noperands.
2781         (ia64_sched_reorder): Finish cycle if we see an asm.
2782         (ia64_variable_issue): Clear scheduling state after asms.
2783
2784 2001-01-04  Neil Booth  <neil@daikokuya.demon.co.uk>
2785
2786         * cpp.texi: Update for -MT.
2787         * cppinit.c (initialize_dependency_output): Add a default
2788         target if none has been given already.
2789         (no_tgt, OPT_MT): New.
2790         (cpp_handle_option): Handle -MT.  Update -M etc.
2791         * cpplib.h (struct cpp_options): Remove deps_target.
2792         * gcc.c (cpp_options): Handle -MT.
2793         * mkdeps.c (struct deps): Move from mkdeps.h.
2794         (deps_calc_target): Rename deps_add_default_target.  Add a
2795         default target if none has been specified already.
2796         * mkdeps.h (struct deps): Move to mkdeps.c.
2797         (deps_calc_target): Rename deps_add_default_target.
2798
2799 2000-01-03  Richard Henderson  <rth@redhat.com>
2800
2801         * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2802         Remove dead code.
2803         * c-typeck.c (push_init_level): Move checks for flexible array
2804         members and zero length arrays ...
2805         (pop_init_level): ... here.  Silently discard empty initializations.
2806         Remove dead code.
2807         * varasm.c (output_constructor): Update for sizeof change to
2808         zero-length arrays.
2809
2810         * extend.texi (Zero Length): Clarify semantics.
2811
2812 2001-01-03  Alexandre Oliva  <aoliva@redhat.com>
2813
2814         * configure.in (tm.h): Include isns-codes.h last.
2815         * configure: Rebuilt.
2816
2817 2001-01-03  Richard Henderson  <rth@redhat.com>
2818
2819         * config/alpha/alpha.md (addvsi3, addvdi3): New.
2820         (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2821
2822 2001-01-03  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
2823
2824         * tradcpp.c (main): Make sure finclude() is called with a valid
2825         indepth value while handling -include.
2826
2827 2001-01-03  Alexandre Oliva  <aoliva@redhat.com>
2828
2829         * gencodes.c (output_predicate_decls): New function.
2830         (main): Call it.
2831         * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2832         even if it is not the first time machmode.h is #included.
2833         * config/sh/sh.c (fpul_operand): Declare MODE argument.
2834         * tm.texi (PREDICATE_CODES): Document predicate declarations.
2835         * gcc.texi (Copyright): Added 2001.
2836
2837 2001-01-03  Joseph S. Myers  <jsm28@cam.ac.uk>
2838
2839         * c-common.c (c_common_lang_init): New function.  Warn if format
2840         warning options which only have effects when used with -Wformat
2841         are used without -Wformat.
2842         * c-common.h (c_common_lang_init): Declare.
2843         * c-lang.c (lang_init): Call c_common_lang_init.
2844         * objc/objc-act.c (lang_init): Call c_common_lang_init.
2845
2846 2001-01-03  Joseph S. Myers  <jsm28@cam.ac.uk>
2847
2848         * configure.in: Check for the mktemp command.
2849         * configure: Regenerate.
2850         * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2851         $TEMP.  Create temporary files with mktemp, if available at
2852         configure time; otherwise use set -C.  Remove temporary files
2853         before exit.
2854
2855 2001-01-03  Joseph S. Myers  <jsm28@cam.ac.uk>
2856
2857         * configure.in: Require at least texinfo 4.0.  Check for whether
2858         Pod::Man is sufficiently recent to regenerate GCC manpages.
2859         * configure:  Regenerate.
2860         * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2861         on #!.
2862         (GENERATED_MANPAGES): Define.
2863         (generated-manpages): New target.  Depend on cpp.1 as well as
2864         gcov.1.
2865         (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2866         configure to generated-manpages or empty) rather than on the
2867         manpages directly.  Remove execute permission from installed
2868         gcov.1 as well as cpp.1.
2869         * cpp.1, gcov.1: Regenerate.
2870
2871 2001-01-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2872
2873         * builtins.c (expand_builtin_strncmp): Use host_integerp and
2874         tree_low_cst.  Allow using cmpstrsi in more cases.
2875
2876 Wed Jan  3 10:48:43 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2877
2878         * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2879         sized types.
2880
2881 Wed Jan  3 12:22:32 2001  Alexandre Oliva  <aoliva@redhat.com>
2882
2883         * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2884         * Makefile.in (HOST_CFLAGS): Mention build-make.
2885
2886 Wed Jan  3 08:53:50 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2887
2888         * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2889         as JUMP_INSN.
2890
2891 2001-01-01  Bernd Schmidt  <bernds@redhat.com>
2892
2893         * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2894         a REG rtx.
2895
2896         * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg.  All
2897         callers changed.
2898
2899         * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2900         reg_base_value and reg_known_value arrays.
2901         (init_alias_analysis): Add more cases to detect known values.
2902         * sched-deps.c (deps_may_trap_p): New function.
2903         (sched_analyze_2): Use it.
2904
2905 2001-01-03  Alexandre Oliva  <aoliva@redhat.com>
2906
2907         * combine.c (simplify_shift_const): Even if we're sign-extracting,
2908         don't discard an ASHIFTRT if we're shifting in a wider mode.
2909
2910 2000-01-02  John David Anglin  <dave@hiauly1.hia.nrc.ca>
2911
2912         * toplev.c (rest_of_compilation): Don't print basic block information
2913         when CFG isn't up to date.
2914
2915 2001-01-02  Mark Elbrecht  <snowball3@bigfoot.com>
2916
2917         * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2918         (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2919         (UNALIGNED_SHORT_ASM_OP): Define.
2920         (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2921
2922 2001-01-02  Mark Mitchell  <mark@codesourcery.com>
2923
2924         * fold-const.c (fold_convert): Fix typo.
2925
2926 2001-01-02  Richard Henderson  <rth@redhat.com>
2927
2928         * c-common.h (ASM_INPUT_P): New.
2929         * c-parse.in (asm): Set it when needed.
2930         * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2931         existance of an operand.
2932
2933 Tue Jan  2 20:27:07 MET 2001  Jan Hubicka  <jh@suse.cz>
2934
2935         * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2936         (dwarf2out_frame_debug_expr): Likewise.
2937         (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2938
2939 Tue Jan  2 20:21:31 MET 2001  Jan Hubicka  <jh@suse.cz>
2940
2941         * i386.c (ix86_split_to_parts): Return number of part required;
2942         handle TFmodes.
2943         (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2944         TFmodes.
2945         (ix86_split_long_move): Use number of part returned
2946         by ix86_split_to_parts
2947         * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2948         New macros.
2949         (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2950         (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2951         (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2952         (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2953         (ALIGN_MODE_128): Add TFmode.
2954         (IS_STACK_MODE): Likewise.
2955         (HARD_REGNO_NREGS): TFmode needs 3 registers.
2956         (HARD_REGNO_OK): Support TFmodes.
2957         (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2958         * i386.md (scheduler definitions): Use memory operand to determine
2959         fst/fld instructions; use mode attribute to determine real mode of
2960         the instruction.
2961         (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2962         * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2963
2964 2001-01-02  Mark Mitchell  <mark@codesourcery.com>
2965
2966         * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2967
2968 Tue Jan  2 10:47:38 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.
2969
2970         * expr.c (store_constructor_field): Update ALIGN before calling
2971         store_constructor.
2972
2973 2001-01-02  Jeffrey Oldham  <oldham@codesourcery.com>
2974
2975         * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2976         host_integerp.
2977
2978 2001-01-02  Jeffrey Oldham  <oldham@codesourcery.com>
2979
2980         * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2981         incomplete type.
2982
2983 Tue Jan  2 10:47:38 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.
2984
2985         * c-decl.c (start_function): Don't warn on third parameter to main.
2986
2987 2001-01-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2988
2989         * tsystem.h: Define HAVE_DECL_GETOPT.
2990
2991 2001-01-02  Philip Blundell  <pb@futuretv.com>
2992
2993         * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2994         of input operand.
2995
2996 2001-01-02  Richard Henderson  <rth@redhat.com>
2997
2998         * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2999
3000 2001-01-02  Andreas Jaeger  <aj@suse.de>
3001
3002         * c-decl.c (c_decode_option): Remove support of
3003         -Wmissing-noreturn.
3004
3005         * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
3006         (W_options): Add -Wmissing-noreturn here.
3007
3008         * flow.c: Define lang_missing_noreturn_ok_p.
3009         (check_function_return_warnings): Use it.
3010
3011         * c-common.h: Declare lang_missing_noreturn_ok_p.
3012
3013         * c-lang.c (c_missing_noreturn_ok_p): New function.
3014         (lang_init): Set lang_missing_noreturn_ok_p.
3015
3016         * invoke.texi (Warning Options): Document this.
3017
3018 2000-12-27  Phil Edwards  <pme@sources.redhat.com>
3019
3020         * extend.texi (C++ Extensions):  New node for C++ attributes;
3021           describe init_priority and com_interface.
3022         * invoke.texi:  Remove -finit-priority as it now has zero effect.
3023         * install.texi:  Fix xref syntax.
3024         * md.texi:  Likewise.
3025
3026 Mon Jan  1 21:28:29 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3027
3028         * config.gcc (sparc64-wrs-vxworks*): New case.
3029         * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
3030
3031         * config/sparc/sparc.c (sparc_override_options): Do support different
3032         pointer and architecture size.
3033         * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
3034         (POINTERS_EXTEND_UNSIGNED): Define.
3035         (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
3036         (FUNCTION_MODE): Define to be Pmode.
3037         * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
3038
3039         * function.c (expand_function_end): Properly handle DECL_RESULT
3040         and copy when ptr_mode != Pmode.
3041         * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
3042
3043 2001-01-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3044
3045         * c-common.c (c_common_nodes_and_builtins): Set prototype
3046         parameters for __builtin_fputs, __builtin_fputc and
3047         __builtin_fwrite.  Don't declare plain fputc as a builtin.
3048
3049 2001-01-01  John David Anglin  <dave@hiauly1.hia.nrc.ca>
3050
3051         * loop.c (add_label_notes): Increment the label usage count when
3052         a note is added to an insn which refers to a CODE_LABEL.
3053         * gcse.c (add_label_notes): Likewise.
3054
3055 2001-01-01  Andreas Jaeger  <aj@suse.de>
3056
3057         * loop.c (scan_loop): Use xmalloc to allocate movables.
3058
3059 2001-01-01  Alexandre Oliva  <aoliva@redhat.com>
3060
3061         * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
3062         * reload.c (REGISTER_MOVE_COST): Likewise.  Adjust all callers.
3063         * reload1.c (REGISTER_MOVE_COST): Likewise.
3064         * regclass.c (REGISTER_MOVE_COST): Likewise.
3065         (move_cost, may_move_in_cost, may_move_out_cost): Add mode
3066         dimension.  Adjust all users.
3067         (init_reg_sets_1): Iterate on all modes.
3068         * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
3069         * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
3070         * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
3071         * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
3072         * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
3073         * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
3074         * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
3075         * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
3076         * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
3077         * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
3078         * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
3079         * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
3080         * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
3081         * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
3082         * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
3083         * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
3084         * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
3085         * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
3086         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
3087         * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
3088         * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
3089         * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
3090         * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
3091         * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
3092         * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
3093         * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
3094         * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
3095
3096 2001-01-01  Bernd Schmidt  <bernds@redhat.com>
3097
3098         * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
3099         arg VARIES_P.  Call it with extra arg.
3100         (true_dependence): Likewise.
3101         * rtl.h (rtx_addr_can_trap_p): Declare.
3102         (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
3103         prototypes.
3104         * rtlanal.c (rtx_addr_can_trap_p): No longer static.
3105         (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
3106         pic offset table register if it's zero.  All callers changed.
3107         (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
3108
3109 Mon Jan  1 07:38:33 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3110
3111         * explow.c (convert_memory_address, case SYMBOL_REF): Copy
3112         STRING_POOL_ADDRESS_P.
3113
3114         * config/sparc/sparc.c (input_operand): Properly test for short op.
3115
3116         * config.gcc (sparc-*-elf): Include sparc/sol2.h.
3117         (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
3118         (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
3119         * config/sparc/elf.h: No longer include sol2.h.
3120         * config/sparc/lifeelf.h: No longer include sparc/elf.h.
3121         * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
3122
3123         * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
3124
3125 2001-01-01  Michael Hayes  <mhayes@redhat.com>
3126
3127         * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
3128         (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
3129         (record_initial): Likewise.
3130         * unroll.c (copy_loop_body, loop_iterations): Likewise.
3131         (remap_split_bivs): Likewise.
3132
3133 2001-01-01  Michael Hayes  <mhayes@redhat.com>
3134
3135         * loop.c (loop_ivs_free): New function.
3136         (strength_reduce): Break out from...
3137
3138 2001-01-01  Michael Hayes  <mhayes@redhat.com>
3139
3140         * loop.h (struct iv): New.
3141         (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
3142         (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
3143         'reg_biv_class' fields with 'regs' and 'n_regs'.
3144         (struct ivs): Rename 'loop_iv_list' field to 'list'.
3145         * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
3146         * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
3147
3148 2000-12-31  Alexandre Oliva  <aoliva@redhat.com>
3149
3150         * resource.c (mark_referenced_resources): Abort() before
3151         attempting to mark a pseudo register.
3152         (mark_set_resources): Likewise.
3153
3154 2001-01-01  Michael Hayes  <mhayes@redhat.com>
3155
3156         * loop.h (REG_IV_CLASS): New accessor macro.
3157         * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
3158         * unroll.c (REG_IV_CLASS): Likewise.
3159
3160 See ChangeLog.4 for earlier changes.