gcc/ChangeLog

   1 2001-06-25  Joseph S. Myers  <jsm28@cam.ac.uk>
   2
   3         * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
   4         doc/gcc.texi, doc/gcov.texi, doc/install.texi, doc/invoke.texi,
   5         doc/md.texi, doc/rtl.texi, doc/tm.texi: Be more consistent about
   6         the use of "GCC" and related terms.
   7         * doc/gcc.1, doc/gcov.1: Regenerate.
   8
   9 2001-06-24  Joseph S. Myers  <jsm28@cam.ac.uk>
  10
  11         * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
  12         doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Remove
  13         uses of @refill.
  14
  15 Sun Jun 24 21:21:49 CEST 2001  Jan Hubicka  <jh@suse.cz>
  16
  17         * (movsi_insv_1, movsi_insv_1_rex64): Allow immediate operand.
  18
  19 2001-06-24  Richard Henderson  <rth@redhat.com>
  20
  21         * builtins.c (expand_builtin_expect_jump): Disable if the
  22         expression can't be re-evaluated.
  23
  24 2001-06-24  Nick Clifton  <nickc@cambridge.redhat.com>
  25
  26         * config/arm/arm.c (arm_compute_save_reg_mask): For FIQ interrupt
  27         handlers examine register r0-r7, for other interrupt handlers
  28         examine r0-r12.  If the interrupt handler is not a leaf function
  29         save all call clobbered registers.
  30         (arm_output_epilogue): If the prologue has pushed the IP register,
  31         restore it here.
  32         (Arm_expand_prologue): For interrupt functions that need the frame
  33         pointer, push the IP register before it is corrupted.
  34
  35         * config/arm/arm.h (ARM_SIGN_EXTEND): Fix compile time warnings
  36         about the use of signed and unsigned quantities in a conditional.
  37
  38 2001-06-23  Richard Henderson  <rth@redhat.com>
  39
  40         * config/alpha/crtfastmath.c: New file.
  41         * config/alpha/t-crtfm: New file.
  42         * config/alpha/elf.h (ENDFILE_SPEC): Use crtfastmath.o.
  43         * config/alpha/osf.h (ENDFILE_SPEC): Likewise.
  44         * config/alpha/t-crtbe (EXTRA_PARTS): Add pieces defined here.
  45         * config.gcc (alpha-{linux,freebsd,netbsd,osf}): Use alpha/t-crtfm;
  46         do not set extra_parts here.
  47
  48 2001-06-24  Joseph S. Myers  <jsm28@cam.ac.uk>
  49
  50         * doc/install-old.texi: Remove more documentation of configure
  51         options.
  52         * doc/install.texi: Add it here.
  53
  54 Sat Jun 23 19:40:05 CEST 2001  Jan Hubicka  <jh@suse.cz>
  55
  56         * i386-protos.h (emit_i387_cw_initialization): Declare.
  57         * i386.md (movsi_insv_1): Remove '*'.
  58         (fix_trunc?f?i2): Revamp to use control word parameters.
  59         (fix_trunc?i_1): Likewise; update splitters.
  60         (fix splitter): Remove.
  61         * i386.c (MAX_386_STACK_LOCALS): set to 3.
  62         (emit_i387_cw_initialization): New function.
  63         (output_fix_trunc): Do not initialize control word;
  64         kill dead code; simplify.
  65
  66 2001-06-23  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
  67
  68         * cppmacro.c (make_string_token): Avoid warning.
  69         (cpp_macro_definition): Prepend the macro name.  Update
  70         comments.
  71         * cppmain.c (cb_define, dump_macro): Update for changes
  72         to cpp_macro_definition.
  73
  74 Sat Jun 23 10:20:03 CEST 2001  Jan Hubicka  <jh@suse.cz>
  75
  76         * flow.c (attempt_auto_inc, try_pre_increment_1): Fix typo.
  77
  78 Sat Jun 23 01:23:59 CEST 2001  Jan Hubicka  <jh@suse.cz>
  79
  80         * flow.c (mark_set_1, attempt_auto_inc, mark_used_reg,
  81         try_pre_increment_1): compute REG_FREQ using bb->frequency.
  82
  83         * regclass.c (loop_cost): Kill.
  84         (frequency): New global variable.
  85         (record_operand_costs): Replace loop_cost by frequency.
  86         (scan_one_insn): Likewise.
  87         (regclass): Likewise; set frequency according to bb->frequency.
  88
  89         * flow.c (split_edge): Set frequency.
  90
  91 Sat Jun 23 01:16:42 CEST 2001  Jan Hubicka  <jh@suse.cz>
  92
  93         * predict.c (block_info_def): Add nvisited.
  94         (propagate_freq): Count nvisited; re-queue delayed blocks; handle
  95         irreducible regions.
  96
  97         * flow.c (dump_edge_info): Dump the probability of edge.
  98         (combine_predictions_for_insn): Dump the basic block.
  99
 100 2001-06-22  Joseph S. Myers  <jsm28@cam.ac.uk>
 101
 102         * doc/gcc.texi: Update documentation of source files of C
 103         compiler.
 104
 105 2001-06-22  Richard Henderson  <rth@redhat.com>
 106
 107         * doc/invoke.texi (-funsafe-math-optimizations): Document its
 108         possible effects at link time.
 109
 110 2001-06-22  Diego Novillo  <dnovillo@redhat.com>
 111
 112         * basic-block.h (dump_edge_info): Declare.
 113         (clear_edges): Declare.
 114         (mark_critical_edges): Declare.
 115         * flow.c (dump_edge_info): Remove static declaration.
 116         (clear_edges): Ditto.
 117         (mark_critical_edges): Ditto.
 118         (free_basic_block_vars): Only clear edges and free basic block
 119         array if basic_block_info is not NULL.
 120         * ssa.c (compute_dominance_frontiers): Remove static declaration.
 121         * ssa.h (compute_dominance_frontiers): Declare.
 122
 123 2001-06-22  Toshiyasu Morita  (toshiyasu.morita@hsa.hitachi.com)
 124
 125         * predict.c: (expected_value_to_br_prob): Check for const_true_rtx
 126         instead of const1_rtx for true case.
 127
 128 2001-06-22  David Mosberger  <davidm@hpl.hp.com>
 129
 130         * config/ia64/crtfastmath.c: New file.
 131         * config/ia64/t-ia64 (EXTRA_PARTS): Include it.
 132         * config/ia64/linux.h (ENDFILE_SPEC): New.
 133
 134 2001-06-22  Toshiyasu Morita  <toshiyasu.morita@hsa.hitachi.com>
 135
 136         * config/h8300/h8300.c (asm_file_start): Remove reference to
 137         "release F-1".
 138
 139 2001-06-22  Joseph S. Myers  <jsm28@cam.ac.uk>
 140
 141         * c-common.c (verify_tree): Check for x being NULL.
 142         * doc/c-tree.texi: Document COMPOUND_BODY of an empty
 143         COMPOUND_STMT.
 144         Fixes PR c/3259.
 145
 146 2001-06-22  DJ Delorie  <dj@redhat.com>
 147
 148         * config/arm/arm.h (struct machine_function): Remove ra_rtx.
 149         * config/arm/arm.c (arm_mark_machine_status): Remove ra_rtx.
 150         (arm_return_addr): Use get_hard_reg_initial_val et al.
 151         * config/d30v/d30v.h (struct machine_function): Remove ra_rtx.
 152         * config/d30v/d30v.c (d30v_mark_machine_status): Remove ra_rtx.
 153         (d30v_return_addr): Use get_hard_reg_initial_val et al.
 154         * config/rs6000/rs6000.h (struct machine_function): Remove ra_rtx.
 155         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
 156         mark_machine_status.
 157         (rs6000_mark_machine_status): Remove.
 158         (rs6000_return_addr): Use get_hard_reg_initial_val.
 159         (rs6000_ra_ever_killed): Use has_hard_reg_initial_val.
 160         * config/v850/v850.h (INIT_EXPANDERS): Delete.
 161         * config/v850/v850.c (struct machine_function): Delete.
 162         (v850_init_machine_status): Delete.
 163         (v850_mark_machine_status): Delete.
 164         (v850_free_machine_status): Delete.
 165         (v850_return_addr): Use get_hard_reg_initial_val.
 166         (v850_init_expanders): Delete.
 167
 168 Fri Jun 22 19:20:59 CEST 2001  Jan Hubicka  <jh@suse.cz>
 169
 170         * predict.c (estimate_bb_frequencies): Do not handle conditional
 171         jumps jumping to fallthru basic block as conditional jumps.
 172
 173 Fri Jun 22 19:11:28 CEST 2001  Jan Hubicka  <jh@suse.cz>
 174
 175         * regs.h (struct reg_info_def): Add freq field.
 176         (REG_N_REFS): Update comment.
 177         (REG_FREQ): New.
 178         * regclass.c (scan_one_insn): Update REG_FREQ.
 179         * flow.c (mark_set_1): Update REG_FREQ, make REG_N_SETS unweighted.
 180         (attempt_auto_inc): Likewise.
 181         (mark_used_reg): Likewise.
 182         (try_pre_increment_1): Likewise.
 183         * local-alloc.c (struct qty): Add freq field.
 184         (alloc_qty): Set freq.
 185         (update_equiv_regs): Set REG_FREQ.
 186         (QTY_CMP_PRI): Use freq.
 187         (combine_regs): Update qty->freq.
 188         * global.c (struct allocno): Update comment for n_refs;
 189         add freq field.
 190         (local_reg_freq): New array.
 191         (global_alloc): Update freq field;
 192         allocate and initialize local_reg_freq.
 193         (allocno_compare): Use freq field.
 194         (find_reg): Likewise.
 195         * reload1.c (count_pseudo): Use freq isntead of n_refs.
 196         (count_spilled_pseudo): Likewise.
 197
 198         * tm.texi (GCOV_TYPE_SIZE): Document.
 199         * basic-block.h (gcov_type): Define.
 200         (struct edge_def): Use gcov_type for count field.
 201         (struct basic_block_def): Likewise.
 202         * defaults.h (GCOV_TYPE_SIZE): Define.
 203         * final.c (end_final): Use GCOV_TYPE_SIZE.
 204         * flow.c (dump_edge_info, dump_flow_info, dump_bb): Print count fields
 205         using HOST_WIDEST_INT_PRINT_DEC.
 206         * gcov-io.h (__fetch_gcov_type, __store_gcov_type, __read_gcov_type,
 207         __write_gcov_type): New.
 208         (store_long): Remove.
 209         * gcov.c (gcov_type): Set default.
 210         (struct adj_list): Use gcov_type for arc_count.
 211         (bb_info): Use gcov_type for succ_count, pred_count and exec_count.
 212         (create_program_flow_graph): Read arc_count properly.
 213         (solve_program_flow_graph): 'total' is gcov_type.
 214         (output_data): Line_counts is gcov_type, print it properly.
 215         * libgcc2.c (struct bb): Counts is gcov_type.
 216         (__bb_exit_func): Use __read_gcov_type and __write_gcov_type.
 217         * profile.c (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set default.
 218         (GCOV_TYPE_SIZE): Define.
 219         (struct bb_info): succ_count and pred_count is gcov_type.
 220         (compute_branch_probabilities): Use __read_gcov_type,
 221         print read edges to the dump file.
 222         (total): Is gcov_type.
 223         (gen_edge_profiler): Use GCOV_TYPE_SIZE.
 224
 225 2001-06-14  Andrew Haley  <aph@cambridge.redhat.com>
 226
 227         * optabs.c (emit_libcall_block): When using non-call exceptions,
 228         don't mark libcalls never throwing.
 229
 230 2001-06-21  Stan Shebs  <shebs@apple.com>
 231
 232         * objc/objc-act.c (hash_init): Use xcalloc.
 233
 234 2001-06-21  Richard Henderson  <rth@redhat.com>
 235
 236         * flow.c (entry_exit_blocks): Initialize frequency.
 237         (split_block): Copy it.
 238         (dump_flow_info): Dump it.
 239
 240 Thu Jun 21 22:15:10 2001  J"orn Rennecke <amylaar@redhat.com>
 241
 242         * sh.c (barrier_align): Also recognize branch-around-a-jump-sequence
 243         from machine-depedent_reorg for purposes of alignment supression
 244         when no delay slot insn has been added.
 245
 246 2001-06-21  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
 247
 248         * cppmacro.c (make_string_token): Null terminate.
 249
 250 2001-06-21  DJ Delorie  <dj@redhat.com>
 251
 252         * config/alpha/alpha.h (struct machine_function): Remove.
 253         * config/alpha/alpha.c (integrate.h): Include.
 254         (override_options): Don't set up machine_status hooks.
 255         (alpha_init_machine_status): Remove.
 256         (alpha_mark_machine_status): Remove.
 257         (alpha_free_machine_status): Remove.
 258         (alpha_return_addr): Use get_hard_reg_initial_val.
 259         (alpha_gp_save_rtx): Likewise.
 260         (alpha_ra_ever_killed): Use has_hard_reg_initial_val.
 261
 262 2001-06-20  Aldy Hernandez  <aldyh@redhat.com>
 263
 264         * config/sh/sh.md (interrupt_function): Use
 265         current_function_interrupt.
 266         (define_delay): Schedule in delay slot if TARGET_SH3, even if it is
 267         an interrupt function.
 268
 269         * config/sh/sh.h (current_function_interrupt): Define extern.
 270
 271         * config/sh/sh.c (current_function_interrupt): New global.
 272         (sh_expand_prologue): Set current_function_interrupt.
 273
 274 2001-06-21  Phil Edwards  <pme@sources.redhat.com>
 275
 276         * doc/install.texi:  Add 'c' to list of --enable-languages choices.
 277
 278 2001-06-21  DJ Delorie  <dj@redhat.com>
 279
 280         * integrate.c (mark_hard_reg_initial_vals): Check for NULL.
 281
 282         * integrate.c (ggc.h): Include.
 283         (initial_value_pair, initial_value_struct,
 284         setup_initial_hard_reg_value_integration): Add prototypes.
 285         (expand_inline_function): Call
 286         setup_initial_hard_reg_value_integration.
 287         (has_func_hard_reg_initial_val, get_func_hard_reg_initial_val,
 288         get_hard_reg_initial_val, has_hard_reg_initial_val): New functions
 289         to keep track of values present at the start of a function.
 290         (mark_hard_reg_initial_vals): New, for gc.
 291         (setup_initial_hard_reg_value_integration): New.  Sets up pseudo
 292         mappings for initial values.
 293         (emit_initial_value_sets): New.  Emits code to set initial value
 294         pseudos.
 295         * integrate.h: Add prototypes for new functions.
 296         * function.h (struct function): Add hard_reg_initial_vals field.
 297         * function.c (integrate.h): Include.
 298         (mark_function_status): Call
 299         mark_hard_reg_initial_vals.
 300         * toplev.c (integrate.h): Include.
 301         (rest_of_compilation): Call emit_initial_value_sets.
 302
 303 2001-06-21  Stan Shebs  <shebs@apple.com>
 304
 305         * doc/contrib.texi, doc/cpp.texi, doc/cppinternals.texi,
 306         doc/extend.texi, doc/gcc.texi, doc/install.texi, doc/invoke.texi,
 307         doc/objc.texi, doc/tm.texi: Use the correct name "Objective-C"
 308         everywhere instead of "Objective C".
 309
 310 2001-06-21  Joseph S. Myers  <jsm28@cam.ac.uk>
 311
 312         * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
 313         doc/gcc.texi, doc/install-old.texi, doc/install.texi,
 314         doc/invoke.texi, doc/rtl.texi: Consistently use "front end" and
 315         "back end" as nouns and "front-end" and "back-end" as adjectives.
 316
 317 Wed Jun 20 21:53:35 CEST 2001  Jan Hubicka  <jh@suse.cz>
 318
 319         * predict.c (estimate_probability): Fix loop bounds.
 320
 321 Wed Jun 20 19:10:48 CEST 2001  Jan Hubicka  <jh@suse.cz>
 322
 323         * toplev.c (rest_of_compilation): Run mark_constant_function
 324         before profile-arcs.
 325
 326 Wed Jun 20 19:08:18 CEST 2001  Jan Hubicka  <jh@suse.cz>
 327
 328         * predict.c (estimate_loops_at_level, propagate_freq
 329         estimate_bb_frequencies, count_to_freqs): New functions.
 330         (estimate_probability): Call estimate_bb_frequencies.
 331         * basic-block.h (basic_block_def): Add field "freq".
 332         (BB_FREQ_MAX): New constant.
 333
 334 Wed Jun 20 17:02:50 2001  J"orn Rennecke <amylaar@redhat.com>
 335
 336         * sh.c (barrier_align): Don't ask for alignment when seeing a
 337         branch-around-a-jump from machine_dependent_reorg.
 338
 339 Wed Jun 20 08:35:02 2001  Jeffrey A Law  (law@cygnus.com)
 340
 341         * ssa.c (rename_block): Update parameter to remove_phi_alternative
 342         (convert_from_ssa): Do create REG_DEAD and REG_UNUSED notes when
 343         re-running life analysis.
 344
 345 2001-06-20  Stan Shebs  <shebs@apple.com>
 346
 347         * objc/objc-act.c (hash_init): Assume xmalloc always succeeds,
 348         also use memset to clear the hash tables.
 349         (hash_enter): Assume xmalloc always succeeds.
 350         (hash_add_attr): Ditto.
 351         (continue_class): Ditto.
 352
 353 2001-06-20  Michael Meissner  <meissner@redhat.com>
 354
 355         * builtins.c (predict.h): Include.
 356         (expand_builtin_expect): Update comment.
 357         (expand_builtin_expect_jump): New function to expand
 358         __builtin_expect inside of a conditional jump expansion.
 359
 360         * expr.c (do_jump): Special case __builtin_expect (<test>, 0) and
 361         __builtin_expect (<test>, 1).
 362
 363         * Makefile.in (builtins.o): Depend on $(PREDICT_H).
 364
 365         * rtl.h (expand_builtin_expect_jump): Add prototype.
 366
 367 2001-06-19  Geoffrey Keating  <geoffk@redhat.com>
 368
 369         * doc/rtl.texi (Machine Modes): Correct description of
 370         floating-point modes on machines with non-8-bit bytes.
 371
 372 2001-06-19  Bernd Schmidt  <bernds@redhat.com>
 373
 374         * regmove.c (optimize_reg_copy_3): Do nothing if previous insn
 375         carries a REG_EQUIV note.  If it carries REG_EQUAL, delete the
 376         note.
 377
 378 Tue Jun 19 07:53:52 2001  Jeffrey A Law  (law@cygnus.com)
 379
 380         * ssa.c (remove_phi_alternative): Remove declaration.  No longer
 381         static.  Second argument is a pointer to a basic block structure,
 382         not a basic block index.
 383         (convert_to_ssa): Do not remove dead code.
 384         (convert_from_ssa): Do not remove dead code to create death notes.
 385         * ssa.h (remove_phi_alternative): Declare.
 386
 387         * flow.c (delete_unreachable_blocks): Fix patch error in
 388         previous change (call to find_unreachable_blocks was lost).
 389
 390         * ssa.c (ssa_uses): Remove definition.
 391         (apply_delayed_renames): Don't grow ssa_uses.
 392         (rename_block): Remove comment related to ssa_uses.
 393         (rename_registers): Do not initialize ssa_uses.
 394         (convert_from_ssa): Do not free ssa_uses.
 395
 396         * ssa-dce.c: Renamed from dce.c.
 397         * Makefile.in (OBJS): Replace dce.o with ssa-dce.o
 398         (dependencies): Replace dce.c with ssa-dce.c and dce.o with
 399         ssa-dce.o.
 400
 401 2001-06-19  Eric Christopher <echristo@redhat.com>
 402
 403         * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode
 404         and DFmode are UNITS_PER_WORD and 2*UNITS_PER_WORD.  Use
 405         GET_MODE_BITSIZE instead of GET_MODE_SIZE/UNITS_PER_WORD.
 406
 407 Tue Jun 19 01:52:27 2001  J"orn Rennecke <amylaar@redhat.com>
 408
 409         * sh.c (output_branch): Delete bogus code.
 410
 411         * sh.c (initial_elimination_offset):
 412         Fix FROM == RETURN_ADDRESS_POINTER_REGNUM case.
 413
 414 Mon Jun 18 12:50:49 2001  Jeffrey A Law  (law@cygnus.com)
 415
 416         * flow.c (find_unreachable_blocks): New function.
 417         (delete_unreachable_blocks): Use find_unreachable_blocks.
 418         * basic-block.h (find_unreachable_blocks): Declare.
 419
 420         * dce.c (eliminate_dead_code): Fix formatting glitch.
 421
 422 2001-06-18  Jason Merrill  <jason_merrill@redhat.com>
 423
 424         * c-common.h (RETURN_NULLIFIED_P): New macro.
 425         * c-semantics.c (genrtl_return_stmt): Check it.
 426
 427         * expr.c (clear_storage): Set TREE_NOTHROW on the decl for memset.
 428         (emit_block_move): Likewise.
 429
 430 Mon Jun 18 17:27:24 CEST 2001  Jan Hubicka  <jh@suse.cz>
 431
 432         * unroll.c: Include predict.h.
 433         (unroll_loop): Drop prediction notes on preconditioning.
 434         * predict.def (PRED_LOOP_PRECONDITIONG, PRED_LOOP_CONDITION):
 435         New; add comments on the others.
 436         * Makefile.in: (unroll.o): Add dependancy on predict.h.
 437         * loop.c (strength_reduce): Fix branch prediction.
 438
 439 Mon Jun 18 17:26:56 CEST 2001  Jan Hubicka  <jh@suse.cz>
 440
 441         * stmt.c (emit_case_nodes): Optimize test whether index is in given
 442         interval.
 443
 444 Mon Jun 18 15:43:10 CEST 2001  Jan Hubicka  <jh@suse.cz>
 445
 446         * predict.c (estimate_probability): Do not bail out early
 447         when note is present.
 448         (combine_predictions_for_insn): Fix note removal code.
 449
 450 2001-06-18  Ben Elliston  <bje@redhat.com>
 451
 452         * except.c (resolve_fixup_regions): Initialise "cleanup".
 453
 454 2001-06-17  Neil Booth  <neil@daikokuya.demon.co.uk>
 455
 456         * tm.texi: Document STDC_0_IN_SYSTEM_HEADERS.
 457
 458 Sat Jun 16 20:20:39 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 459
 460         * expr.c (expand_expr, case ADDR_EXPR): If taking address of SAVE_EXPR,
 461         use put_var_into_stack.
 462
 463 2001-06-16  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
 464
 465         * gccspec.c (lang_specific_driver): If compiling ObjC, add
 466         -shared-libgcc when necessary.
 467         * Makefile.in (gccspec.o): Compile with DRIVER_DEFINES.
 468
 469 2001-06-16  Daniel Berlin  <dan@cgsoftware.com>
 470
 471         * bitmap.h: Add dump_bitmap, bitmap_zero, bitmap_union_of_diffs,
 472         bitmap_a_or_b, bitmap_a_and_b, bitmap_first_set_bit,
 473         bitmap_last_set_bit. All for compatibility with sbitmap's.
 474
 475         *bitmap.c (bitmap_zero): New function.
 476         (bitmap_union_of_diffs): New function.
 477         (bitmap_first_set_bit): New function.
 478         (bitmap_last_set_bit): New function.
 479
 480 2001-06-16  Neil Booth  <neil@daikokuya.demon.co.uk>
 481
 482         * cpp.texi, invoke.texi: Update.
 483         * cpp.1, gcc.1: Regenerate.
 484
 485 Sat Jun 16 12:45:20 CEST 2001  Jan Hubicka  <jh@suse.cz>
 486
 487         * i386.md (minsf): Fix splitter. (PR fortran/3191)
 488
 489 2001-06-16  Neil Booth  <neil@daikokuya.demon.co.uk>
 490
 491         * doc/cpp.texi: Update.
 492         * doc/cpp.1: Regenerate.
 493
 494 2001-06-15  Loren J. Rittle  <ljrittle@acm.org>
 495
 496         * doc/install.texi: Use correct markup hints.
 497
 498 Fri Jun 15 18:05:22 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 499
 500         * function.c (gen_mem_addressof): Handle case where DECL is SAVE_EXPR.
 501
 502         * explow.c (expr_size): If DECL and size specified, use it.
 503
 504 2001-06-15  Zack Weinberg  <zackw@stanford.edu>
 505
 506         * doc/cpp.texi: Formatting corrections.
 507         Correct buggy example of use of __GNUC__ etc.
 508         Clarify $ in identifiers.
 509         * doc/cpp.1: Regenerate.
 510
 511 Fri Jun 15 19:35:38 CEST 2001 Jan Hubicka  <jh@suse.cz>
 512
 513         * optabs.c (expand_twoval_binop): Avoid undefined behaviour.
 514
 515 2001-06-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 516
 517         * doc/install.texi (Specific, alpha*-*-*): Fixed Tru64 UNIX
 518         etc. spelling.
 519         (Specific, alpha-*-osf1): Renamed to alpha*-*-osf*.
 520         Added Tru64 UNIX V5.1 bootstrap hints.
 521         (Specific, alpha*-*-osf*): Removed old section, obsolete.
 522
 523 2001-06-15  Andreas Jaeger  <aj@suse.de>
 524
 525         * doc/install.texi (Specific): Mention that glibc cannot be
 526         compiled with GCC 3.0.
 527
 528 2001-06-14  Andrew Haley  <aph@cambridge.redhat.com>
 529
 530         * combine.c (nonzero_bits): Don't optimize away division by
 531         zero.
 532
 533 2001-06-15  Zack Weinberg  <zackw@stanford.edu>
 534
 535         * doc/cpp.texi: Revised and brought up to date.
 536         * doc/cpp.1: Regenerate.
 537
 538 2001-06-15  Loren J. Rittle  <ljrittle@acm.org>
 539
 540         * doc/install.texi: Update --enable-threads to match reality.
 541
 542 2001-06-15  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
 543
 544         * doc/install.texi: Update for C4x.
 545         * README.C4X: Remove.
 546
 547 2001-06-14  Joseph S. Myers  <jsm28@cam.ac.uk>
 548
 549         * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
 550         doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
 551         doc/objc.texi, doc/rtl.texi, doc/tm.texi: Fix spelling and typos.
 552         Consistently use "built-in" and "bit-field".  Minor logical markup
 553         improvements.
 554         * doc/gcc.1: Regenerate.
 555
 556 2001-06-14  Richard Henderson  <rth@redhat.com>
 557
 558         * config/mips/mips.md (exception_receiver): New.
 559
 560 2001-06-14  Daniel J. Berlin <dan@cgsoftware.com>
 561
 562         * doc/gcc.texi:  Update passes documentation to be more in tune
 563         with reality.
 564
 565 Thu Jun 14 15:38:28 CEST 2001  Jan Hubicka  <jh@suse.cz>
 566
 567         * i386.c (ix86_expand_prologue): Fix merging conflict.
 568
 569 2001-06-14  Joseph S. Myers  <jsm28@cam.ac.uk>
 570
 571         * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
 572         doc/gcc.texi, doc/gcov.texi, doc/install-old.texi,
 573         doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Use more
 574         logical markup.  Use TeX quotes and dashes.  Use @dots{} and
 575         @minus{}.  Avoid spaces inside @var.  Update last modification
 576         date in gcc.texi.
 577         * doc/gcc.1, doc/gcov.1: Regenerate.
 578
 579 Thu Jun 14 12:44:15 CEST 2001  Jan Hubicka  <jh@suse.cz>
 580
 581         * i386.c (x86_accumulate_outgoing_args, x86_prologue_using_move,
 582         x86_epilogue_using_move): New global variables.
 583         (override_options): Enable ACCUMULATE_OUTGOING_ARGS if preferred.
 584         (ix86_emit_save_regs_using_mov): New static function.
 585         (ix86_expand_prologue, ix86_expand_epilogue): Use moves if preferred.
 586         * i386.h (MASK_MMX, MASK_SSE, MASK_SSE2, MASK_128BIT_LONG_DOUBLE,
 587         MASK_MIX_SSE_I387): Renumber.
 588         (MASK_NO_ACCUMULATE_OUTGOING_ARGS): New.
 589         (x86_accumulate_outgoing_args, x86_prologue_using_move,
 590         x86_epilogue_using_move): Declare.
 591         (TARGET_PROLOGUE_USING_MOVE, TARGET_EPILOGUE_USING_MOVE): New.
 592
 593 2001-06-13  John David Anglin  <dave@hiauly1.hia.nrc.ca>
 594
 595         * inclhack.def (hpux10_cpp_pow_inline): New hack.
 596
 597 2001-06-13  Richard Henderson  <rth@redhat.com>
 598
 599         * ifcvt.c (dead_or_predicable): Fix return value last patch.
 600
 601 2001-06-13  Mark Mitchell  <mark@codesourcery.com>
 602
 603         * NEWS: Remove.
 604
 605 2001-06-13  Richard Henderson  <rth@redhat.com>
 606
 607         * ifcvt.c (cond_exec_get_condition): Use reversed_comparison_code.
 608         (cond_exec_process_if_block, dead_or_predicable): Likewise.
 609
 610 2001-06-13  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 611
 612         * mips-tfile.c (copy_object): Always pass indexNil for symbol
 613         table index.
 614
 615 2001-06-13  Kazu Hirata  <kazu@hxi.com>
 616
 617         * config/h8300/h8300.h (OK_FOR_T): Remove.
 618         (EXTRA_CONSTRAINT): Do not use OK_FOR_T.
 619         * config/h8300/h8300.md: Remove alternatives involving inc and dec
 620         in the helper patterns for addhi3 and addsi3.
 621
 622 2001-06-13  Phil Edwards  <pme@sources.redhat.com>
 623
 624         * doc/contrib.texi:  Link to libstdc++'s thanks.html for now.
 625
 626 2001-06-13  Zack Weinberg  <zackw@stanford.edu>
 627
 628         * Makefile.in: Move _bb and __gcc_bcmp to LIB2FUNCS_ST.
 629         * libgcc-std.ver: Take out __bb* and __gcc_bcmp.
 630
 631         * config/t-slibgcc-elf-ver, config/t-slibgcc-sld,
 632         config/alpha/t-osf4, config/mips/t-iris6: Extract all
 633         references to @shlib_map_file@, @shlib_objs@, or
 634         @shlib_base_name@ to Makefile variables.
 635         Bump soname version of libgcc to 1.
 636
 637 2001-06-13  Joseph S. Myers  <jsm28@cam.ac.uk>
 638
 639         * doc/install.texi: Use more logical markup.  Include @node
 640         commands in the source when generating any non-HTML.
 641
 642 2001-06-13  Joseph S. Myers  <jsm28@cam.ac.uk>
 643
 644         * README: Remove.  Some of the contents moved to ../README.
 645
 646 2001-06-13  Alexandre Oliva  <aoliva@redhat.com>
 647
 648         * doc/install.texi (--enable-shared): List package names
 649         recognized by GCC.
 650
 651 2001-06-13  Alexandre Oliva  <aoliva@redhat.com>
 652
 653         * doc/install.texi (ix86-*-solaris*): Removed, outdated.
 654         (*-*-solaris*): Document problem in /bin/sh that affects
 655         configuring libraries.
 656         (sparc-*-solaris*): Recommend GNU binutils 2.11.1 or vendor tools.
 657         (*-sun-solaris2.8): Document linker problem that explains why
 658         libjava is disabled by default.
 659
 660 2001-06-09  Mark Mitchell  <mark@codesourcery.com>
 661
 662         Revert this patch:
 663         * toplev.c (rest_of_compilation): Remove dead code before
 664         purge_addressof.
 665
 666 2001-06-12  Alexandre Oliva  <aoliva@redhat.com>
 667
 668         Reverted:
 669         2001-06-07  Nathan Sidwell  <nathan@codesourcery.com>
 670         * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
 671         * configure: Rebuilt.
 672
 673 2001-06-12  Jim Wilson  <wilson@redhat.com>
 674
 675         * loop.c (strength_reduce): Move bl->all_reduced set before
 676         check_ext_dependant_givs call.
 677         (check_ext_dependant_givs): Clear bl->all_reduced when ignoring givs.
 678
 679 2001-06-12  Alexandre Oliva  <aoliva@redhat.com>
 680
 681         * doc/extend.texi (Function Attributes): Document SH's sp_switch
 682         and trap_exit.
 683
 684 2001-06-13  Joseph S. Myers  <jsm28@cam.ac.uk>
 685
 686         * doc/invoke.texi: Use more logical markup.  Use TeX quotes,
 687         dashes and @dots{}.
 688
 689 2001-06-12  Richard Henderson  <rth@redhat.com>
 690
 691         * config/i386/i386.c (ix86_expand_prologue): Always use
 692         gen_pro_epilogue_adjust_stack; update arguments.
 693         (ix86_expand_epilogue): Likewise.
 694         (ix86_emit_epilogue_esp_adjustment): Remove.
 695         (ix86_adjust_cost): Remove pro_epilogue_adjust_stack hack.
 696         * config/i386/i386.md (pro_epilogue_adjust_stack): Use a BLKmode
 697         clobber of scratch memory instead of a modification of EBP as the
 698         barrier.  Update all peepholes to match.
 699
 700 2001-06-12  Joseph S. Myers  <jsm28@cam.ac.uk>
 701
 702         * doc/gcc.texi: Change the font used for @def... commands to a
 703         fixed width font.
 704         * doc/extend.texi: Use more logical markup.  Use "built-in"
 705         instead of "builtin".  Use @deftypefn to mark up built-in
 706         functions; specify their types in the @deftypefn and not in the
 707         descriptive text.  Use TeX quotes and dashes.  Add more index
 708         entries.
 709
 710 2001-06-12  lars brinkhoff  <lars@nocrew.org>
 711
 712         * gcc.texi (HOST_BITS_PER_LONGLONG): Document.
 713         (DIR_SEPARATOR_2): Likewise.
 714
 715 2001-06-12  Joseph S. Myers  <jsm28@cam.ac.uk>
 716
 717         * doc/install.texi (--exec-prefix, --bindir, --libdir,
 718         --with-slibdir, --infodir, --mandir, --with-cpp-install-dir):
 719         Document.
 720         (--enable-cpp): Change to document --disable-cpp instead; update
 721         to reflect current default.
 722         (--without-fast-fixincludes): Remove documentation.
 723         (Final install): Document installation directories in more
 724         detail.  Document use of make dvi.
 725
 726 Tue Jun 12 19:01:43 CEST 2001  Jan Hubicka  <jh@suse.cz>
 727
 728         * recog.c (validate_replace_rtx_1): Fix previous patch.
 729
 730 Tue Jun 12 17:25:39 CEST 2001  Jan Hubicka  <jh@suse.cz>
 731
 732         * recog.c (validate_replace_rtx_1): Do plus_constant call always.
 733
 734 Tue Jun 12 17:24:07 CEST 2001  Jan Hubicka  <jh@suse.cz>
 735
 736         * simplify-rtx.c (simplify_subreg): Allow volatile memory
 737         to be subregged in case we don't have move instruction.
 738
 739 Tue Jun 12 12:20:12 CEST 2001  Jan Hubicka  <jh@suse.cz>
 740
 741         * loop.c: Include predict.h
 742         (strength_reduce): Drop branch prediction note in case
 743         number of iterations is known.
 744         * predict.def (PRED_LOOP_ITERATIONS): new.
 745         * Makefile.in (loop.o): Add dependancy on predict.h
 746
 747 2001-06-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 748
 749         * c-decl.c (grokdeclarator): Use INTEGRAL_TYPE_P.
 750
 751         * c-typeck.c (c_start_case): Likewise.
 752
 753 2001-06-12  Mark Mitchell  <mark@codesourcery.com>
 754
 755         * expr.c (store_field): Don't set MEM_ALIAS_SET for a field
 756         in a structure at a variable address.
 757
 758 2001-06-12  Joseph S. Myers  <jsm28@cam.ac.uk>
 759
 760         * doc/gcov.texi: Use more logical markup.
 761
 762 2001-06-11  Mark Mitchell  <mark@codesourcery.com>
 763
 764         * unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and
 765         REG_NOTE_KIND, not PUT_MODE and GET_MODE.
 766         (final_reg_note_copy): Remove REG_WAS_0 notes that are no longer
 767         valid.
 768
 769 2001-06-11  Stan Shebs  <shebs@apple.com>
 770
 771         * darwin.h (ASM_FILE_END): Remove decl of language_string.
 772
 773 2001-06-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 774
 775         * config/m68hc11/m68hc11.md ("*lshrdi3_const32"): Mark the clobber
 776         as an early clobber to make sure it is not used by reload in
 777         one of the operands.
 778
 779 2001-06-11  Mark Mitchell  <mark@codesourcery.com>
 780
 781         * doc/c-tree.texi: Update information about flag_honor_std.
 782         * doc/install.texi: Note that binutils is required on HPUX 11.
 783         * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is
 784         now the default.
 785
 786         * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of
 787         variable-sized types.
 788
 789 2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
 790
 791         * doc/md.texi: Use TeX dashes and quotes.
 792
 793 2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
 794
 795         * doc/rtl.texi: Reference manual chapter about trees.
 796
 797 2001-06-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 798
 799         * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define.
 800         (WINT_TYPE): Override.
 801         (WINT_TYPE_SIZE): Likewise.
 802         (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate.
 803
 804         * config/sparc/sol2.h (WINT_TYPE): Define.
 805         (WINT_TYPE_SIZE): Likewise.
 806
 807         * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define.
 808         (WINT_TYPE): Override.
 809         (WINT_TYPE_SIZE): Likewise.
 810         (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition.
 811         (CPP_ARCH64_SPEC): Likewise.
 812
 813 2001-06-11  Richard Henderson  <rth@redhat.com>
 814
 815         * unwind-dw2-fde.c (__deregister_frame_info): Don't play games
 816         with alias attribute.
 817
 818         * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu).
 819         * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise.
 820
 821 2001-06-11  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
 822
 823         * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New.
 824
 825 2001-06-11  Stan Shebs  <shebs@apple.com>
 826
 827         * darwin.c (darwin_encode_section_info):  Rewrite to simplify
 828         and fix coding mistakes.
 829
 830 2001-06-11  Nick Clifton  <nickc@cambridge.redhat.com>
 831
 832         * config/m32r/m32r.md (movstrsi_internal): Do not expect a
 833         return string from m32r_output_block_move.
 834         * config/m32r/m32r-protos.h: Make m32r_output_block_move a
 835         void function.
 836         * config/m32r/m32r.h (INT32_P): Rename to UNIT32_P and remove
 837         integer overflow.
 838         (ROUND_ADVANCE): Remove signed/unsigned conflict.
 839         * config/m32r/m32r.c: Declare prototypes for static functions.
 840         (move_src_operand): Replace INT32_P with UINT32_P.
 841         (function_arg_partial_nregs): Fixed signed/unsigned conflict
 842         in initialisation of 'size'.
 843         (m32r_sched_reord): Remove redundant declarations of 'code'.
 844         (m32r_output_block_move): Change to a void function.
 845         (m32r_encode_section_info): Cast return of
 846         TREE_STRING_POINTER to avoid compile time warning.
 847
 848 2001-06-11  Richard Henderson  <rth@redhat.com>
 849
 850         * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New.
 851         * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default.
 852         (struct machine_function): Add gp_save_rtx.
 853         * config/alpha/alpha.c (alpha_mark_machine_status): Mark it.
 854         (alpha_gp_save_rtx): New.
 855         * config/alpha/alpha-protos.h: Declare it.
 856         * config/alpha/alpha.md (exception_receiver): Make an expander.
 857         Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP.
 858
 859 2001-06-11  Richard Henderson  <rth@redhat.com>
 860
 861         * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
 862
 863 2001-06-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 864
 865         * configure.in: Align --help messages.
 866         Remove trailing full stops.
 867         Consistently use lower case.
 868         Fix DWARF 2 spelling.
 869         * configure: Rebuilt.
 870
 871 2001-06-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 872
 873         * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and
 874         variants for .cpp/.cp/.c++ files.
 875         Move definition of __LANGUAGE_C_PLUS_PLUS ...
 876         (CPLUSPLUS_CPP_SPEC): ... here.
 877
 878 Mon Jun 11 15:47:45 CEST 2001  Jan Hubicka  <jh@suse.cz>
 879
 880         * jump.c (duplicate_loop_exit_test): Fix loop header heuristics.
 881
 882 2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
 883
 884         * c-decl.c (store_parm_decls): When comparing types in an
 885         old-style function declaration with those from a previous
 886         prototype, compare the unqualified versions of parameter types.
 887         Fixes PR c/3116.
 888
 889 2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
 890
 891         * doc/objc.texi: Use more logical markup.  Use TeX dashes.
 892
 893 2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
 894
 895         * doc/c-tree.texi: Use more logical markup.
 896
 897 2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
 898
 899         * c-decl.c (xref_tag): Don't return previous tags of wrong type.
 900
 901 2001-06-11  Aldy Hernandez  <aldyh@redhat.com>
 902
 903         * loop.c (scan_loop): Do not combine asm statements.
 904
 905 2001-06-11  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
 906
 907         * simplify-rtx.c (simplify_subreg): Fix offset calculation
 908         for complex values within a CONCAT.
 909
 910 2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
 911
 912         * doc/install.texi: Update details of what components are included
 913         in the GCC distribution.  Update default directory for g++
 914         includes.  Update documentation relating to old libio.  Adjust
 915         documentation on DejaGnu environment variables.  Remove
 916         documentation of --enable-cpplib.
 917
 918 2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
 919
 920         * doc/contrib.texi: Fix alphabetical order.  Fix typos.  Improve
 921         markup.
 922
 923 2001-06-10  Richard Henderson  <rth@redhat.com>
 924
 925         * ifcvt.c (life_data_ok): New.
 926         (merge_if_block): Use it to determine whether to update
 927         global_live_at_end.
 928         (if_convert): Set it.
 929
 930 2001-06-10  Richard Henderson  <rth@redhat.com>
 931
 932         * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
 933
 934 2001-06-10  Alexandre Oliva  <aoliva@redhat.com>
 935
 936         * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
 937         (SH Options): Document -mieee.
 938         * doc/install.texi (Final install): Remove obsolete information
 939         about installing cross compilers.
 940         * doc/gcc.1: Rebuilt.
 941
 942 2001-06-10  Richard Henderson  <rth@redhat.com>
 943
 944         * config/alpha/alpha.c (override_options): Set align_loops,
 945         align_jumps, and align_functions.
 946         * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
 947         (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
 948
 949 2001-06-11  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
 950
 951         * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
 952         are one and two words in size.
 953
 954 2001-06-10  Richard Henderson  <rth@redhat.com>
 955
 956         * doc/invoke.texi (Optimization Options): Document -fpeephole2.
 957         (Code Generation Options): Document -fnon-call-exceptions.
 958
 959 2001-06-10  Mark Kettenis  <kettenis@gnu.org>
 960
 961         * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
 962
 963 2001-06-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 964
 965         * m68hc11.md (peepholes): Remove unused and wrong peepholes.
 966
 967 2001-06-10  Mark Mitchell <mark@codesourcery.com>
 968             Gabriel Dos Reis  <gdr@codesourcery.com>
 969
 970         * Makefile.in (c-parse.o): Depend on diagnostic.h
 971         (dwarf2out.o): Likewise.
 972
 973         * dwarf2out.c: #include diagnostic.h
 974
 975         * toplev.h (warningcount, errorcount, sorrycount): Remove
 976         declarations.
 977
 978         * toplev.c (warningcount, errorcount, sorrycount): Remove
 979         definitions.
 980
 981         * diagnostic.h (struct output_buffer): Reorder fields.
 982         (diagnostic_kind_count): New macro.
 983         (errorcount, warningcount, sorrycount): Define as macros.
 984         (diagnostic_report_warnings_p): New macro.
 985         (output_state): Add diagnostic_count field.
 986
 987         * diagnostic.c (warningcount, errorcount, inhibit_warnings):
 988         Remove tentative declaration.
 989         (count_error): Use diagnostic_report_warnings_p.
 990
 991         * c-parse.in: #include diagnostic.h
 992
 993 2001-06-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 994
 995         * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
 996         prefer a memory for operand 1.
 997         ("*addsi3"): Fix constraints, the '!' was too strong.
 998         ("*addsi3_split"): Accept soft register and split accordingly.
 999
1000 2001-06-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
1001
1002         * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
1003         Move definition in the RTX_CODE section.
1004
1005 2001-06-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
1006
1007         * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
1008         address as relative to the argument pointer.
1009
1010 Sun Jun 10 10:58:53 CEST 2001  Jan Hubicka  <jh@suse.cz>
1011
1012         * predict.def (PRED_OPCODE): Place before call and error_return.
1013
1014 Sun Jun 10 10:00:17 CEST 2001  Jan Hubicka  <jh@suse.cz>
1015
1016         * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
1017         * predict.c (estimate_probability): Calculate dominance
1018         information; improve detection of NORETURN heuristics;
1019         add call/error_return heuiristics; tweak comparison heuristics
1020         to recognize -1.
1021
1022 2001-06-09  Alexandre Oliva  <aoliva@redhat.com>
1023
1024         * doc/invoke.texi (C Dialect Options): Document -aux-info.
1025         (Debugging Options): Document -print-multi-directory and
1026         -print-multi-lib.
1027         * doc/gcc.1: Rebuilt.
1028
1029         * toplev.c (independent_decode_option): Require `=' between
1030         `-aux-info' and filename in the same argument.
1031         * gcc.c: Don't pass -aux-info=filename twice.
1032
1033 2001-06-09  Mark Mitchell  <mark@codesourcery.com>
1034
1035         * expr.c (expand_expr, case ARRAY_REF): Do not replace
1036         an array element with the known initializing value if it has
1037         side-effects.
1038
1039         * toplev.c (rest_of_compilation): Remove dead code before
1040         purge_addressof.
1041
1042 2001-06-09  Neil Booth  <neil@daikokuya.demon.co.uk>
1043
1044         * cppinit.c (print_help): Document -fpreprocessed.
1045         * invoke.texi: Similarly.
1046
1047 Sun Jun 10 00:35:37 CEST 2001  Jan Hubicka  <jh@suse.cz>
1048
1049         * predict.def: New file.
1050         * predict.h: New file.
1051         * predict.c: Include predict.h.
1052         (predictor_info): New structure and array.
1053         (predict_edge, predict_insn): Rewrite; make global.
1054         (predict_edge_def, predict_insn_def): New global functions.
1055         (dump_prediction, combine_predictions_for_insns): New
1056         static functions.
1057         (estimate_probability): Change calls to predict_edge
1058         to predict_edge_def and calls to predict_insn to predict_insn_def;
1059         combine probabilities.
1060         (expected_value_to_br_prob): Behave as predictor.
1061         * rtl.h (REG_BR_PRED): Update coment.
1062         (invert_br_probabilities): New.
1063         * jump.c: Include predict.h
1064         (duplicate_loop_exit_test): Drop branch prediction notes.
1065         (invert_jump): Use invert_br_probabilities.
1066         * Makefile.in: Add dependancy on predict.h for jump and predict pass.
1067         * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
1068         * combine.c (distribute_notes): Handle BR_PRED.
1069
1070 Sat Jun  9 23:29:41 CEST 2001  Jan Hubicka  <jh@suse.cz>
1071
1072         * predict.c (predict_insn, predict_edge): New static functions.
1073         (estimate_probability): Revamp to use new functions;
1074         fix loop header heruistics; add loop exist heruistics
1075
1076 2001-06-09  Alexandre Oliva  <aoliva@redhat.com>
1077
1078         * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
1079
1080 2001-06-09  Peter Jakubek <pjak@snafu.de>
1081
1082         * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
1083
1084 2001-06-09  John David Anglin  <dave@hiauly1.hia.nrc.ca>
1085
1086         * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
1087         for integer operations that don't update C bit.
1088
1089 2001-06-09  Nicola Pero <nicola@brainstorm.co.uk>
1090
1091         * gthr-posix.h (__gthread_objc_init_thread_system): If
1092         pthread_key_create fails, it's not clear what the return value is.
1093         This obvious fix makes sure it always returns -1 if a problem
1094         occurs.
1095
1096 2001-06-09  Joseph S. Myers  <jsm28@cam.ac.uk>
1097
1098         * doc/gcc.texi: Use @defcodeindex for the index of options.  Add
1099         more index entries.  Use more logical markup where appropriate.
1100         Use TeX quotes and dashes.
1101
1102 2001-06-09  Benjamin Kosnik  <bkoz@redhat.com>
1103
1104         * unwind-pe.h: Conditionally qualify references to abort with
1105         std::.
1106
1107 2001-06-09  Julian Foad <julian_foad@hotmail.com>
1108
1109         * doc/invoke.texi: Remove superfluous text.
1110
1111 2001-06-08  Richard Henderson  <rth@redhat.com>
1112
1113         * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
1114         (LIB_SPEC): Mirror config/linux.h version.
1115
1116 2001-06-08  Richard Henderson  <rth@redhat.com>
1117
1118         * except.c (get_exception_pointer, get_exception_filter): Take a
1119         struct function.  Update all callers.
1120         * except.h (get_exception_pointer): Update declaration.
1121         * expr.c (expand_expr): Update get_exception_pointer call.
1122         * integrate.c (expand_inline_function): Remap the exception pointer
1123         from callee to caller.
1124
1125 2001-06-08  Mark Mitchell  <mark@codesourcery.com>
1126
1127         * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
1128         accurately reflect its cv-qualification.
1129         * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
1130         cv-qualifiers on function types.
1131
1132 2001-06-08  Mark Mitchell  <mark@codesourcery.com>
1133
1134         * basic-block.h: Improve comments.
1135         * except.c (expand_eh_region_end_allowed): Remove redundant call
1136         to do_pending_stack_adjust.
1137         * flow.c (life_analysis): Fix typo in comment.
1138         (calculate_global_regs_live): Add documentation.
1139         (mark_set_1): Likewise.
1140         (debug_regset): Likewise.
1141         * doc/rtl.texi (cond_exec): Document it.
1142
1143 Fri Jun  8 21:52:51 CEST 2001  Jan Hubicka  <jh@suse.cz>
1144
1145         * i386.h (CONST_COSTS): set cost of constants representable in
1146         immediate fields to 0.
1147
1148 Fri Jun  8 21:34:54 CEST 2001  Jan Hubicka  <jh@suse.cz>
1149
1150         * function.c (diddle_return_value): Kill code to determine
1151         return value before expand_function_end.
1152         (expand_function_end): Delay call to clobber_return_register
1153         after fucntion return value is computed.
1154
1155         Re-install temporary reverted patch:
1156         * toplev.c (rest_of_compilation): Call split_all_insns
1157         before reg-stack and shorten-branches. Do shorten-branches
1158         after reg-stack.
1159         * final.c (shorten_branches): Remove insn splitting code.
1160
1161 2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>
1162
1163         * doc/gcc.texi, doc/invoke.texi: Add index of command line
1164         options.  Use @opindex to index them rather than other indexing
1165         commands.  Use @var{...} instead of <...>.  Avoid spaces in names
1166         inside @var.  Don't use @kindex to index escape sequences in
1167         source code.
1168
1169 2001-06-08  Jason Merrill  <jason_merrill@redhat.com>
1170
1171         * stmt.c (current_nesting_level): New fn.
1172         * tree.h: Declare it.
1173         * c-semantics.c (genrtl_compound_stmt): Use it.
1174
1175         * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
1176
1177 2001-06-08  Jakub Jelinek  <jakub@redhat.com>
1178
1179         * jump.c (mark_modified_reg): Allow jump threading if condition
1180         codes are represented by a hard register.
1181
1182 2001-06-08  Jakub Jelinek  <jakub@redhat.com>
1183
1184         * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
1185         for complex floats passed to unprototyped functions.
1186
1187 2001-06-08  Mark Mitchell  <mark@codesourcery.com>
1188
1189         * except.c (expand_eh_region_end_allowed): Call
1190         do_pending_stack_adjust as necessary.
1191
1192 Fri Jun  8 14:16:33 CEST 2001  Jan Hubicka  <jh@suse.cz>
1193
1194         * function.c (clobber_return_register): Clobber the pseudo return
1195         register too.
1196
1197         * sibcall.c (skip_unreturned_value): New function.
1198         (call_ends_block_p): Use it.
1199
1200         * recog.c (split_insn): Break out from ...
1201         (split_all_insns): ... here; do not use basic block information
1202         when it is broken.
1203
1204 Thu Jun  7 18:27:53 CEST 2001  Jan Hubicka  <jh@suse.cz>
1205
1206         * simplify-rtx.c (simplify_subreg):  Fix verification of
1207         combined subreg.
1208
1209 2001-06-08  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1210
1211         * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
1212         Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
1213         Move definition of _LANGUAGE_C_PLUS_PLUS ...
1214         (CPLUSPLUS_CPP_SPEC): ... here.
1215         Fixes PRs c++/3047, target/441.
1216
1217 2001-06-08  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1218
1219         * doc/install.texi2html (MAKEINFO): Keep value if set already.
1220
1221 2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>
1222
1223         * doc/gcc.texi: Add trailing slash to URL.
1224
1225 2001-06-07  Stan Shebs  <shebs@apple.com>
1226
1227         * config/darwin.h (ENCODE_SECTION_INFO): Define.
1228         (REDO_SECTION_INFO_P): Ditto.
1229         (STRIP_NAME_ENCODING): Ditto.
1230         (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
1231         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
1232         (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
1233         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
1234         * config/darwin.c: No longer include c-tree.h.
1235         (machopic_classify_ident): Rewrite to use symbol encoding.
1236         (lookup_name_darwin): Remove.
1237         (machopic_non_lazy_ptr_name): Handle encoded symbols.
1238         (machopic_stub_name): Use STRIP_NAME_ENCODING.
1239         (machopic_validate_stub_or_non_lazy_ptr): Ditto.
1240         (machopic_finish): Ditto, remove test of decl.
1241         (update_non_lazy_ptrs): New function.
1242         (darwin_encode_section_info): New function.
1243         * config/darwin-protos.h: Declare it.
1244         * config/rs6000/rs6000.c (machopic_output_stub): Use
1245         STRIP_NAME_ENCODING.
1246
1247 2001-06-07  Mark Mitchell  <mark@codesourcery.com>
1248
1249         * tree.h (DECL_SOURCE_FILE): Improve documentation.
1250         (DECL_SOURCE_LINE): Likewise.
1251
1252 2001-06-07  Loren J. Rittle  <ljrittle@acm.org>
1253
1254         * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
1255         from config/elfos.h.
1256
1257 2001-06-07  Phil Edwards  <pme@sources.redhat.com>
1258
1259         * linux.h (CPLUSPLUS_CPP_SPEC):  Move -D_GNU_SOURCE to here.
1260         * pa/pa-linux.h:  Allow CPLUSPLUS_CPP_SPEC to remain.
1261
1262 2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>
1263
1264         * doc/contrib.texi: Add copyright notice.
1265
1266 2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>
1267
1268         * doc/md.texi: Use four digit years in copyright notice.
1269
1270 2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>
1271
1272         * config.gcc: For $target_alias of athlon-*, set
1273         target_cpu_default2=5.
1274
1275 Thu Jun  7 16:17:40 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1276
1277         * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
1278         end of last block if last real insn is a JUMP_INSN.
1279
1280 2001-06-07  Joseph S. Myers  <jsm28@cam.ac.uk>
1281
1282         * NEWS: Regenerate.
1283
1284 2001-06-07  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1285
1286         * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
1287         pthread_t to objc_thread_t.
1288         (__gthread_objc_thread_id): Likewise.
1289
1290 2001-06-07  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1291
1292         * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
1293         (ASM_OLDAS_SPEC): Likewise.
1294
1295         * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
1296         (CPP_SUBTARGET_SPEC): Use it.
1297         (ASM_OLDAS_SPEC): Define.
1298         (ASM_SPEC): Use it.
1299         (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
1300
1301 2001-06-07  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1302
1303         * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
1304         passed by reference.
1305
1306 2001-06-07  Joseph S. Myers  <jsm28@cam.ac.uk>
1307
1308         * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
1309         Document use of N_(...), and show it in examples.  Note that
1310         documentation should be added to invoke.texi.  Avoid an overfull
1311         hbox.
1312
1313 Thu Jun  7 17:09:50 CEST 2001  Jan Hubicka  <jh@suse.cz>
1314
1315         * toplev.c (rest_of_compilation): Revert previous patch.
1316         * final.c (shorten_branches): Likewise.
1317
1318 2001-06-07  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1319
1320         * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
1321         Remove.
1322
1323 2001-06-07  Joseph S. Myers  <jsm28@cam.ac.uk>
1324
1325         * doc/install-old.texi: Remove more obsolete documentation.
1326
1327 Thu Jun  7 13:20:14 CEST 2001  Jan Hubicka  <jh@suse.cz>
1328
1329         * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
1330
1331 Thu Jun  7 12:12:58 CEST 2001  Jan Hubicka  <jh@suse.cz>
1332
1333         * toplev.c (rest_of_compilation): Call split_all_insns
1334         before reg-stack and shorten-branches. Do shorten-branches
1335         after reg-stack.
1336         * final.c (shorten_branches): Remove insn splitting code.
1337
1338 2001-06-07  Nathan Sidwell  <nathan@codesourcery.com>
1339
1340         * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
1341         * configure: Rebuilt.
1342
1343 2001-06-07  Andreas Jaeger  <aj@suse.de>
1344
1345         * emit-rtl.c (operand_subword): Remove unused variable.
1346
1347 Wed Jun  6 14:51:05 CEST 2001  Jan Hubicka  <jh@suse.cz>
1348
1349         * i386.md (floatdi?f): Avoid usinf of SSE instructions
1350         if TARGET_64BIT is false.
1351         (floatdi?f_i386_only): New insn.
1352         (floatdi?f_i386): Disable for !TARGET_64BIT.
1353
1354         * (min?f, max?f splitters): Handle case where
1355         operands are cross-matched.
1356
1357         * i386.h (HI_REGISTER_NAMES): Remove redundant definition
1358         (MMX_REGISTER_NAMES): Kill.
1359         (PRINT_OPERAND): Fix comment.
1360         (PRINT_REG): Likewise.
1361         * i386.c (print_reg): Kill support for 'm' CODE; simplify.
1362         (print_operand): Update comment; kill 'm'.
1363
1364         * i386.c (x86_branch_hints): New global variable
1365         (print_operand): Support outputting of branch prediction hints.
1366         * i386.md (conditional jump patterns): Add branch prediction hints
1367         to the template.
1368         * i386.h (x86_branch_hints): Declare
1369         (TARGET_BRANCH_PREDICTION_HINTS): New macro.
1370         (PRINT_OPERAND_FUNCT_VALID_P): New.
1371         * final.c (final_forward_branch_p): New function.
1372
1373 2001-06-06  Richard Henderson  <rth@redhat.com>
1374
1375         * flow.c (mark_used_reg): Clean up looping over multiple hard
1376         registers.  Do conditional life bits across multiple hard regs.
1377
1378 2001-06-05  Jeffrey D. Oldham  <oldham@codesourcery.com>
1379
1380         * reload1.c (reload): Revert Schmidt's change so all USEs are not
1381         deleted during reload.
1382
1383 2001-06-05  Mark Mitchell  <mark@codesourcery.com>
1384
1385         * c-semantics.c (genrtl_scope_stmt): Write out nested inline
1386         functions here, instead of ...
1387         * c-decl.c (c_expand_body): ... here.
1388
1389 2001-06-05  David O'Brien  <obrien@FreeBSD.org>
1390
1391         * config.gcc, config/sparc/bsd.h:  Do not directly include
1392         sparc/sparc.h.  Instead do it via tm_file.
1393
1394 2001-06-05  Richard Henderson  <rth@redhat.com>
1395
1396         * dwarf2.h (DW_EH_PE_aligned): New.
1397         * dwarf2asm.c (eh_data_format_name): Name it.
1398         (dw2_asm_output_encoded_addr_rtx): Align for it.
1399         * dwarf2out.c (output_call_frame_info): Handle it for personality
1400         routine and LSDA pointers.
1401
1402         * unwind-pe.h (DW_EH_PE_aligned): New.
1403         (base_of_encoded_value): Handle it.
1404         (read_encoded_value_with_base): Likewise.
1405         * unwind-dw2-fde.c (base_from_object): Likewise.
1406         (get_cie_encoding): Likewise.
1407
1408         * config/alpha/elf.h: Remove ecoff commentary.
1409         * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1410
1411 2001-06-05  David O'Brien  <obrien@FreeBSD.org>
1412
1413         * config.gcc, config/i386/bsd386.h:  Do not directly include
1414         i386/386bsd.h.  Instead do it via tm_file.
1415
1416 2001-06-05  David O'Brien  <obrien@FreeBSD.org>
1417
1418         * elfos.h (USING_ELFOS_H):  Identify the use of elfos.h in the same
1419         way svr4.h does.
1420
1421 2001-06-05  Pascal Obry  <obry@act-europe.fr>
1422
1423         * configure.in: Quote $enable_win32_registry in case the value has
1424         spaces in it.
1425         * configure: Ditto.
1426
1427 2001-06-05  Mark Mitchell  <mark@codesourcery.com>
1428
1429         * print-rtl.c (xspaces): Remove.
1430         (print_rtx): Use printf field-width, rather than xpsaces, to
1431         indent.
1432         * toplev.c (main): Disable sibling-call optimization if we are
1433         handling exceptions.
1434
1435 2001-06-05  Bernd Schmidt  <bernds@redhat.com>
1436
1437         * reload1.c (reload): Delete all USEs generated during reload.
1438
1439 2001-06-05  scott snyder  <snyder@fnal.gov>
1440
1441         * gccbug.in:  Fix typo.
1442
1443 2001-06-05  Andreas Jaeger  <aj@suse.de>
1444
1445         * builtins.def: Fix definition of __builtin_cosf, it uses float as
1446         parameter and return value.
1447
1448 2001-06-04  Anthony Green  <green@redhat.com>
1449
1450         * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
1451         machine.  This is now done in sparc.h.
1452
1453 2001-06-05  Nathan Sidwell  <nathan@codesourcery.com>
1454
1455         Correct CVS resurrection of invoke.texi.
1456         * doc/invoke.texi: Document new tree dump flags.
1457
1458 2001-06-05  Joseph S. Myers  <jsm28@cam.ac.uk>
1459
1460         * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
1461         for casting an aggregate to its own type.  Fixes PR c/2735.
1462
1463 2001-06-05  Joseph S. Myers  <jsm28@cam.ac.uk>
1464
1465         * doc/texinfo.tex: Update to version 2001-05-24.08.
1466
1467 2001-06-05  Nathan Sidwell  <nathan@codesourcery.com>
1468
1469         * c-common.h (flag_dump_translation_unit): Remove.
1470         (enum tree_dump_index): Define.
1471         (TDF_ADDRESS, TDF_SLIM): New #defines.
1472         (dump_node_to_file): Remove.
1473         (dump_node): Make extern. Add flags.
1474         (dump_flag, dump_enabled_p, dump_begin, dump_end,
1475         dump_switch_p): Prototype.
1476         * c-common.c (flag_dump_translation_unit): Remove.
1477         * c-decl.c (c_decode_option): Remove -fdump-translation-unit
1478         logic. Use dump_switch_p.
1479         * c-dump.h (struct dump_info): Add node and user fields.
1480         (dump_pointer): Declare.
1481         * c-dump.c (dump_node): Make extern. Add flags.
1482         (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
1483         (dump_new_line, dump_maybe_newline): Use them.
1484         (dump_pointer): New function.
1485         (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
1486         chain or function's body. Dump address, if TDF_ADDRESS set.
1487         (dump_flag): Define.
1488         (dump_node_to_file): Remove.
1489         (struct dump_file_info): New struct.
1490         (dump_files): New array.
1491         (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
1492         * c-lang.c (finish_file): Adjust dumping.
1493         * toplev.h (dump_base_name): Make extern.
1494         * invoke.texi: Document new flags.
1495
1496 2001-06-04  Mark Mitchell  <mark@codesourcery.com>
1497
1498         * c-tree.h (lang_decl): Add pending_sizes fields.
1499         * c-decl.c (store_parm_decls): Save pending_sizes away for nested
1500         functions.
1501         (c_expand_body): Expand them.
1502         (lang_mark_tree): Mark lang_decl:pending_sizes.
1503         * function.c (expand_pending_sizes): New function, broken out
1504         from ...
1505         (expand_function_start): ... here.
1506         * tree.h (expand_pending_sizes): Declare it.
1507
1508 2001-06-04  Loren J. Rittle  <ljrittle@acm.org>
1509
1510         * doc/install.texi: Update FreeBSD information.  Generalize
1511         and update information for alpha-based platforms using ELF.
1512
1513 2001-06-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>
1514
1515         * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
1516         (store_parm_decls): Likewise.
1517         * c-typeck.c (convert_arguments): Likewise.
1518
1519 2001-06-04  Richard Henderson  <rth@redhat.com>
1520
1521         * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
1522         optimization if current_function_calls_setjmp.
1523
1524 2001-06-04  Joseph S. Myers  <jsm28@cam.ac.uk>
1525
1526         * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
1527         wide strings.
1528
1529 Mon Jun  4 20:44:25 CEST 2001  Jan Hubicka  <jh@suse.cz>
1530
1531         * simplify-rtx.c (simplify_subreg): Fix combining of
1532         paradoxical subregs.
1533
1534 Mon Jun  4 20:15:25 CEST 2001  Jan Hubicka  <jh@suse.cz>
1535
1536         * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
1537         (no_labels_between_p): Short circuit case beg==end.
1538
1539 Mon Jun  4 20:03:05 CEST 2001  Jan Hubicka  <jh@suse.cz>
1540
1541         * rtlanal.c (operand_preference): Fix preference for objects.
1542
1543 Mon Jun  4 20:00:40 CEST 2001  Jan Hubicka  <jh@suse.cz>
1544
1545         * gcse.c (handle_avail_expr): Be prepared to handle single_set
1546         parallels.
1547
1548 Mon Jun  4 19:59:46 CEST 2001  Jan Hubicka  <jh@suse.cz>
1549
1550         * combine.c (if_then_else_cond): Use simplify_subreg instead
1551         of operand_subword.
1552         * integreate.c (sub_constants): Likewise.
1553
1554 Mon Jun  4 19:59:12 CEST 2001  Jan Hubicka  <jh@suse.cz>
1555
1556         * emit-rtl.c (constant_subword): Deprecate; remove most of code
1557         and use simplify_gen_subreg.
1558
1559 Mon Jun  4 19:55:23 CEST 2001  Lars Brinkhoff  <lars@nocrew.org>
1560
1561         * sibcall.c (skip_copy_to_return_value): recognize the situation
1562         when the called function's return value is copied into an
1563         intermediate pseudo, and then into the calling functions return
1564         value register.
1565
1566 Mon Jun  4 16:50:33 CEST 2001  Jan Hubicka  <jh@suse.cz>
1567
1568         * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
1569         check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
1570         in case register wasn't OK previously, accept it now; allow
1571         subregs of frame pointer if reload completed and frame pointer
1572         is not needed.
1573
1574         * combine.c (sombine_simplify_rtx): Fix comment;
1575         use subreg_lowpart_offset instead of subreg_lowpart_p
1576         (gen_lowpart_for_combine): Use subreg_lowpart_offset.
1577         * rtl.h (subreg_lowpart_parts_p): Kill.
1578         (subreg_lowpart_offset, subreg_highpart_offset): Declare.
1579         * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
1580         * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
1581         (gen_lowpart_common): Likewise.
1582         (subreg_lowpart_p): Likewise.
1583         (subreg_lowpart_parts_p): Kill.
1584         (subreg_lowpart_offset, subreg_highpart_offset): New function.
1585
1586         * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
1587         to simplify SUBREG and REG.
1588         (gen_highpart): Use simplify_gen_subreg for all simplifications.
1589
1590         * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
1591         CONCAT specially.
1592
1593         * rtlanal.c (replace_regs):  Use simplify_gen_subreg
1594
1595 Mon Jun  4 09:21:19 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1596
1597         * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
1598         (ARRAY_RANGE_REF): Added description.
1599
1600         * tree.def (ARRAY_RANGE_REF): New code.
1601         * alias.c (handled_component_p, can_address_p): Handle it.
1602         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
1603         * explow.c (set_mem_attributes): Likewise.
1604         * expr.c (expand_assignment, get_inner_reference): Likewise.
1605         (expand_expr, expand_expr_unaligned, do_jump): Likewise.
1606         * fold-const.c (operand_equal_p): Likewise.
1607         * tree.c (staticp, stabilize_reference): Likewise.
1608         * varasm.c (decode_addr_const): Likewise.
1609
1610 Sun Jun  3 21:59:51 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1611
1612         * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
1613         (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
1614
1615 2001-06-03  kaz Kojima  <kkojima@rr.iij4u.or.jp>
1616
1617         * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
1618         mark_constant_pool_use before output_addr_const.
1619         (struct pool_node): New field wend.
1620         (add_constant): Note a sequence of constants that are referenced
1621         by a given label.
1622         (pool_window_label, pool_window_last): New variables.
1623         (dump_table): Emit a unspec_volatile representing the end of a
1624         sequence of constants.
1625         (mark_constant_pool_use): New function.
1626         * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
1627         (consttable_2): Add the second operand which flags whether
1628         this consttable entry was used or not.
1629         (consttable_4, consttable_8, consttable_sf, consttable_df):
1630         Likewise.
1631         (consttable_window_end): New insn.
1632
1633 2001-06-03  Alexandre Oliva  <aoliva@redhat.com>
1634
1635         * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
1636         Reformat according to coding standards.
1637
1638         Warning removal.
1639         * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
1640         (shl_and_kind): Cast wide constant.
1641         (gen_far_branch): Define as static, as in declaration.
1642         (barrier_align): Compute cache-line length as unsigned.  Add
1643         parentheses in initial credit computation.
1644         (rounded_frame_size): Add parentheses.
1645         (permanent_obstack): Remove declaration.  Include ggc.h for
1646         declaration of ggc_add_root_rtx().
1647         (get_free_reg): Removed declaration of unused variable reg.
1648         (legitimize_pic_address): Mark mode argument as unused.
1649
1650 2001-06-03  Igor Shevlyakov  <igor@windriver.com>
1651
1652         * config/sh/sh.c (output_branch): Support for insn with lenght
1653         attr 12 & 16 which represents cond branches outside +-4096 range.
1654
1655 2001-06-03  Alexandre Oliva  <aoliva@redhat.com>
1656
1657         * config/sh/lib1funcs.asm (ic_invalidate): Align the
1658         cache-mirroring sequence.  Add nops.
1659
1660 2001-06-03  Joseph S. Myers  <jsm28@cam.ac.uk>
1661
1662         * doc/install-old.texi: Remove more old installation
1663         documentation.
1664         * doc/install.texi: Add relevant parts here.
1665
1666 2001-06-03  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1667
1668         * doc/install.texi2html: New script.
1669
1670 2001-06-03  David Edelsohn  <edelsohn@gnu.org>
1671
1672         * doc/install.texi: Update AIX information again.
1673
1674 2001-06-02  Joseph S. Myers  <jsm28@cam.ac.uk>
1675
1676         * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
1677         installation documentation.
1678         * doc/install.texi: Move it to here.
1679
1680 2001-06-02  Joseph S. Myers  <jsm28@cam.ac.uk>
1681
1682         * doc/install.texi: Clean up Texinfo markup.
1683
1684 2001-06-02  Joseph S. Myers  <jsm28@cam.ac.uk>
1685
1686         * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
1687         to just after title page.
1688
1689 2001-06-02  Joseph S. Myers  <jsm28@cam.ac.uk>
1690
1691         * doc/install-old.texi: Remove documentation of some configuration
1692         options.
1693         * doc/install.texi: Add relevant parts of this documentation here.
1694
1695 2001-06-02  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1696
1697         * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
1698         Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
1699
1700 Sat Jun  2 12:23:51 CEST 2001  Jan Hubicka  <jh@suse.cz>
1701
1702         * i386.md (all uses of ext_register_operand): Make sure they are
1703         VOIDmode; replace all uses outside zero_extend.
1704         (and?i splitters): Use ext_register_operands.
1705         (test?i peep2): Remove ignored constraints.
1706         * i386.c (ext_register_operand): Check that operand is
1707         eighter pseudo or hard or 'Q' register.
1708
1709 Sat Jun  2 06:53:50 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1710
1711         * tree.h (struct record_layout_info_s): New field unpadded_align.
1712         (set_lang_adjust_rli): New declaration.
1713         * stor-layout.c (layout_decl): If DECL is packed, but at alignment
1714         it would have if not packed, do not downgrade DECL_ALIGN.
1715         (lang_adjust_rli, set_lang_adjust_rli): New.
1716         (start_record_layout): Initialize new field unpadded_align.
1717         (debug_rli): Display it.
1718         (place_union_field, place_field): Set it.
1719         (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
1720
1721         * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
1722         mean that; use proper names instead.
1723         Print DECL_NO_STATIC_CHAIN.
1724
1725         * except.c (expand_builtin_frob_return_addr): Add missing call
1726         to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
1727         (expand_builtin_eh_return): Likewise.
1728         (expand_eh_return): Clean up ptr_mode != Pmode cases.
1729
1730 2001-06-01  Jan van Male  <jan.vanmale@fenk.wau.nl>
1731
1732         * doc/invoke.texi: Remove references to papers about sequence points
1733         to readings.html, refer to that page.
1734
1735 2001-06-01  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1736
1737         * README: Update references to installation instructions.
1738
1739 2001-06-01  Laurent Guerby  <guerby@acm.org>
1740             Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1741
1742         * doc/install.texi: Define srcdir when sources come from CVS.
1743         Significantly improve markup.  Wrap overly long lines
1744
1745 2001-06-01  DJ Delorie  <dj@redhat.com>
1746
1747         * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
1748         extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
1749         objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
1750         gcov.1: Move to doc subdirectory.
1751         * install.texi: Move to doc/install-old.texi.
1752         * gcc.texi: Move to doc, refer to install-old.texi.
1753         * Makefile.in: Reflect move of docs to doc/.
1754         * f/Make-lang.in: Ditto.
1755         * java/Make-lang.in: Ditto.
1756         * doc/.cvsignore: New.
1757
1758 2001-05-31  Jan van Male  <jan.vanmale@fenk.wau.nl>
1759
1760         * invoke.texi: use two spaces between command options, eliminate
1761         some 'overfull hboxes'
1762
1763 2001-06-01  Hans-Peter Nilsson  <hp@axis.com>
1764
1765         * Makefile.in (s-mlib): Make backtick-commands always succeed.
1766         (DRIVER_DEFINES): Ditto.
1767
1768 2001-05-31  Richard Henderson  <rth@redhat.com>
1769
1770         * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
1771         also link against libgcc.a.
1772
1773 2001-05-31  Geoff Keating  <geoffk@cygnus.com>
1774
1775         * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
1776         * config/mips/mips.c (mips_output_ascii): New function.
1777         * config/mips/mips-protos.h (mips_output_ascii): Prototype.
1778
1779         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
1780
1781 Thu May 31 19:09:53 CEST 2001  Jan Hubicka  <jh@suse.cz>
1782
1783         * flow.c (set_block_for_new_insns): Remove bogus shortcut.
1784         * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
1785
1786 2001-05-31  Rodney Brown  <rbrown64@csc.com.au>
1787
1788         * install.texi (Configuration): Add html links for --with-gnu-as &
1789         --with-gnu-ld and refer to them from hppa & SCO triplets.
1790         (Specific): Link back to with-gnu-ld for all ELF platfoms.
1791         (Specific): Reword AVR binutils recommendation.
1792
1793 2001-05-30  Zack Weinberg  <zackw@stanford.edu>
1794
1795         * ggc-page.c (size_lookup): Increase minimum allocation size
1796         to eight bytes.
1797         (ggc_print_statistics): Report size of each bin in bytes, not
1798         as its order; there is no longer a direct relationship.
1799
1800 2001-05-31  Jan van Male  <jan.vanmale@fenk.wau.nl>
1801
1802         * extend.texi: Fix formating of examples, eliminate some
1803         'overfull hboxes'.
1804         * gcc.texi: Eliminate some 'overfull hboxes'.
1805         * invoke.texi: Use two spaces between command options, eliminate
1806         some 'overfull hboxes'.
1807
1808 2001-05-30  Richard Henderson  <rth@redhat.com>
1809
1810         * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
1811
1812 2001-05-30  Tom Tromey  <tromey@redhat.com>
1813
1814         * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
1815         use it in the new association.
1816
1817 2001-05-30  Loren J. Rittle  <ljrittle@acm.org>
1818             John David Anglin  <dave@hiauly1.hia.nrc.ca>
1819
1820         * gthr-posix.h (__gthread_active_ptr): Cast function pointer
1821         to target type to allow ISO C++ compiler to accept it.
1822         * gthr-dce.h (__gthread_active_ptr): Likewise.
1823         * gthr-solaris.h (__gthread_active_ptr): Likewise.
1824
1825 2001-05-30  Neil Booth  <neil@daikokuya.demon.co.uk>
1826
1827         * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
1828         so that we do accept comments in preprocessed input.
1829
1830 2001-05-30  Neil Booth  <neil@daikokuya.demon.co.uk>
1831
1832         * cpphash.c (alloc_node): Cast allocated pointer.
1833
1834 2001-05-30  Gordon Sadler <gbsadler1@lcisp.com>
1835
1836         * invoke.texi (Option Summary): Remove -isystem-c++ from options.
1837
1838 2001-05-29  Stan Shebs  <shebs@apple.com>
1839
1840         * gcc.texi: Add links for information about Objective-C.
1841
1842 2001-05-29  Nathan Sidwell  <nathan@codesourcery.com>
1843
1844         * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
1845         /bin/sed fails on [^\"]).
1846         (configargs.h): Likewise.
1847
1848 2001-05-29  Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
1849
1850         * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
1851
1852 2001-05-28  Stan Shebs  <shebs@apple.com>
1853
1854         * objc/objc.gperf: Remove, no longer used.
1855
1856 2001-05-28  Joseph S. Myers  <jsm28@cam.ac.uk>
1857
1858         * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
1859         gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
1860         Remove trailing whitespace.
1861
1862 2001-05-28  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1863
1864         * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
1865         became http://freeware.sgi.com/.
1866
1867 2001-05-27  Geoffrey Keating  <geoffk@redhat.com>
1868
1869         * local-alloc.c (update_equiv_regs): Don't eliminate constant
1870         expressions at -O0.
1871
1872 2001-05-27  Stan Shebs  <shebs@apple.com>
1873
1874         * objc/objc-act.c: Add/fix various comments.
1875         (init_selector): Remove, no longer used.
1876         (build_msg_pool_reference): Ditto.
1877         (objc_debug): Ditto.
1878
1879 2001-05-27  Neil Booth  <neil@daikokuya.demon.co.uk>
1880
1881         * c-decl.c (init_decl_processing):
1882          Don't call start_identifier_warnings.
1883         * flags.h (warn_id_clash, id_clash_len): Remove.
1884         * stringpool.c: Don't include flags.h.
1885         (scan_for_clashes, do_identifier_warnings,
1886         start_identifier_warnings): Remove.
1887         * toplev.c (warn_id_clash, id_clash_len): Remove.
1888         (display_help): Don't document -Wid-clash.
1889         (decode_W_option): Print warning on -Wid-clash.
1890         * tree.h (start_identifier_warnings): Remove.
1891         * invoke.texi: Remove documentation of -Wid-clash.
1892
1893 2001-05-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1894
1895         * fixinc/fixtests.c: Declare entries in ENV_TABLE.
1896
1897 2001-05-27  Bruce Korb  <bkorb@gnu.org>
1898
1899         * fixinc/check.tpl(HACK) add and use a Scheme variable
1900         (has no test text): error out if no "test_text" is defined
1901         * fixinc/fixincl.tpl: likewise
1902         (FIXIDX): make it an enumeration so we minimize diffs
1903         * fixinc/inclhack.def: re-alphabetize and add sort instructions
1904         * fixinc/fixincl.x: regenerate
1905         * fixinc/tests/base/stdio.h: test output got moved due to
1906         the alphabetizing
1907         * README-fixinc: rewrite (mostly)
1908
1909 2001-05-27  Neil Booth  <neil@daikokuya.demon.co.uk>
1910
1911         * cpplib.c (run_directive): Set pfile->directive.
1912
1913 2001-05-23  Theodore Papadopoulo  <Theodore.Papadopoulo@sophia.inria.fr>
1914
1915         * c-tree.texi: Reformat the manual as a single chapter now
1916         included by gcc.texi.
1917         * gcc.texi: Include c-tree.texi. Merge all indexes.
1918         * Makefile.in (dvi): Add generation for the cppinternals
1919         documentation. Added dependencies on fdl.texi and c-tree.texi
1920         where appropriate.  Use TEXI2DVI instead of custom tex calls.
1921         (info): Added dependencies on fdl.texi and c-tree.texi where
1922         appropriate.  Remove the target c-tree.info.
1923
1924 2001-05-27  Lars Brinkhoff  <lars@nocrew.org>
1925
1926         * combine.c (try_combine): Fix typo in comment.
1927         * expr.c (expand_expr): Likewise.
1928         * config/i370/i370.md (untyped_call): Likewise.
1929
1930 2001-05-26  Bruce Korb  <bkorb@gnu.org>
1931
1932         * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1933         when fixincl is operating in test mode
1934         * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
1935         (AAB_ultrix_limits): remove redundant text
1936         (AAB_ultrix_memory): ditto
1937         (AAB_ultrix_string): ditto
1938         (djgpp_wchar_h): fix the test text
1939         (irix_stdio_va_list): add test text
1940         (irix_limits_const): add a testing output file (limits.h is overwritten)
1941         (strict_ansi_not_ctd): put limits.h second in list for same reason
1942         (solaris27_mutex_init): test text needed selection text, too
1943
1944         * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1945         when fixincl is operating in test mode
1946
1947 2001-05-26  Philip Blundell  <philb@gnu.org>
1948
1949         * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1950         * config/i960/i960-protos.h: Likewise.
1951         * config/i370/i370-protos.h: Likewise.
1952         * config/h8300/h8300-protos.h: Likewise,
1953         * config/sh/sh-protos.h: Likewise.
1954         * config/v850/v850-protos.h: Likewise.
1955
1956 2001-05-26  Philip Blundell  <philb@gnu.org>
1957
1958         * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1959
1960 2001-05-25  Zack Weinberg  <zackw@stanford.edu>
1961
1962         * toplev.c (debug_args, f_options, W_options): Mark
1963         descriptions for translation.
1964         (display_help): Translate descriptions on output.
1965
1966         * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
1967         objc/lang-options.h: Mark descriptions for translation.
1968
1969         * aclocal.m4: Quote final argument of patsubst.  Use
1970         3-argument form of AC_DEFINE.  Restore quotes to [] while
1971         using AC_FD_CC.
1972         * configure.in: Remove unnecessary changequote calls.
1973         * configure, config.in: Regenerate.
1974
1975 2001-05-25  Sam TH  <sam@uchicago.edu>
1976
1977         * basic-block.h: Fix header include guards.
1978         * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
1979         cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
1980         except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
1981         gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
1982         gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
1983         insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
1984         rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
1985         varray.h version.h: Likewise.
1986         * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
1987         config/arm/arm.h config/c4x/c4x-protos.h
1988         config/h8300/h8300-protos.h config/h8300/h8300.h
1989         config/i370/i370-protos.h config/i370/i370.h
1990         config/i960/i960-protos.h config/mcore/mcore.h
1991         config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
1992         config/v850/v850-protos.h config/v850/v850.h: Likewise.
1993         * fixinc/fixlib.h fixinc/server.h: Likewise.
1994
1995 2001-05-25  Stacey Sheldon  <ssheldon@Catena.com>
1996
1997         * config/arc/initfini.c (.init): Fix typo.
1998
1999 2001-05-25  Geoffrey Keating  <geoffk@redhat.com>
2000
2001         * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
2002
2003 2001-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2004
2005         * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
2006
2007 2001-05-25  Richard Henderson  <rth@redhat.com>
2008
2009         * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
2010
2011 2001-05-25  Richard Henderson  <rth@redhat.com>
2012
2013         * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
2014         (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
2015         (sparc*-*-solaris2): Likewise.
2016         * config/t-linux: Remove shared libgcc macros.
2017         * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
2018         * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
2019
2020 2001-05-25  Loren J. Rittle  <ljrittle@acm.org>
2021
2022         * config.gcc (*-*-freebsd*): Report bad configuration.
2023
2024 2001-05-25  David Edelsohn  <edelsohn@gnu.org>
2025
2026         * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
2027
2028         * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
2029         any prefix.
2030         (ASM_OUTPUT_LABELREF): Delete.
2031
2032 2001-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2033
2034         * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
2035         strict_ansi_only): Don't run if stdc_0_in_system_headers.
2036         * fixinc/fixincl.x: Regenerate.
2037         * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
2038         (FIX_TEST_TABLE): Declare it.
2039         * fixinc/fixlib.h: Include config.h.
2040
2041 2001-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2042
2043         * fixinc/inclhack.def (alpha___assert): Change char * args to
2044         const char * on Tru64 UNIX to avoid excessive warnings from
2045         assert.h.
2046         * fixinc/fixincl.x: Regenerate.
2047
2048 2001-05-25  Geoff Keating  <geoffk@redhat.com>
2049
2050         * dbxout.c (dbxout_symbol): Invert previous patch, which was
2051         outputting a tag only for variable-size records.
2052
2053 2001-05-25  Jeff Knaggs  <jknaggs@redhat.com>
2054
2055         * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
2056         instead of rtx_equal_p for early clobber test.
2057
2058 2001-05-26  Mark Mitchell <mark@codesourcery.com>
2059
2060         * builtins.def: Encode additional information, such as names and
2061         types, here.
2062         * builtin-types.def: New file.
2063         * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
2064         (built_in_decls): Likewise.  Don't explicitly initialize global
2065         data to NULL.
2066         (expand_builtin_mathfn): Handle float and long double variants of
2067         math builtins.
2068         (expand_builtin): Likewise.
2069         * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
2070         (expand_tree_builtin): Handle long, long long, float, and long
2071         double variants of math functions.
2072         * c-common.h (c_tree_index): Remove some unused nodes.
2073         (void_ftype): Remove.
2074         (void_type_ptr): Likewise.
2075         (int_ftype_int): Likewise.
2076         (ptr_ftype_sizetype): Likewise.
2077         * c-decl.c (init_decl_processing): Remove creation of DWARF
2078         builtins.
2079         * defaults.h (MD_INIT_BUILTINS): Provide default definition.
2080         * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
2081         * Makefile.in (c-common.o): Depend on builtin-types.def.
2082
2083 2001-05-25  Dale Johannesen  <dalej@apple.com>
2084
2085         * config/rs6000/t-darwin: Fix dependencies for darwin.o.
2086
2087 2001-05-25  Neil Booth  <neil@daikokuya.demon.co.uk>
2088
2089         * c-parse.in (notype_initdcl): Remove redundant line.
2090
2091 2001-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2092
2093         * aclocal.m4: Fixed typo.
2094         (gcc_AC_HEADER_STDBOOL): Define.
2095         (gcc_AC_C__BOOL): Define.
2096         * configure.in: Use them.
2097         (AC_CHECK_HEADERS): Remove stdbool.h
2098         * configure, config.in: Regenerate.
2099
2100 2001-05-25  Richard Henderson  <rth@redhat.com>
2101
2102         * function.c (expand_function_start): Don't abort on PARALLEL
2103         returns from hard_function_value.
2104
2105 2001-05-25  Richard Henderson  <rth@redhat.com>
2106
2107         * config/i386/i386.md: Revert previous change.  Do not apply
2108         the peephole if the components do not die after the sequence.
2109
2110 2001-05-25  Joseph S. Myers  <jsm28@cam.ac.uk>
2111
2112         * c-parse.in (array_declarator): New.  Handle C99 constructs.
2113         Don't restrict [*] declarators to C only.
2114         (after_type_declarator, parm_declarator_starttypename,
2115         parm_declarator_nostarttypename, notype_declarator,
2116         direct_absdcl1): Use it.
2117         * c-decl.c (build_array_declarator, set_array_declarator_type):
2118         New functions.  Warn that [*] isn't properly implemented; pedwarn
2119         for [*] outside C99 mode if pedantic rather than giving a hard
2120         error.
2121         (grokdeclarator): Handle static and type qualifiers in parameter
2122         array declarators.
2123         * c-tree.h (build_array_declarator, set_array_declarator_type):
2124         Declare.
2125         * extend.texi (Attribute Syntax): Document attributes in parameter
2126         array declarators.
2127
2128 2001-05-25  Mark Mitchell  <mark@codesourcery.com>
2129
2130         * config/i386/i386.md: Make sure cmpstr peepholes do not
2131         affect liveness information.
2132
2133 2001-05-24  Mark Mitchell  <mark@codesourcery.com>
2134
2135         * c-typeck.c (digest_init): Issue error messages about
2136         invalid constants, not warnings.
2137
2138 2001-05-24  Mark Mitchell  <mark@codesourcery.com>
2139
2140         * invoke.texi (-fno-builtin): Document that this is always on
2141         in C++.
2142
2143 2001-05-24  Philip Blundell  <philb@gnu.org>
2144
2145         * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
2146         required.
2147
2148 2001-05-24  Philip Blundell  <philb@gnu.org>
2149
2150         * config/arm/arm.c (output_return_instruction): Correctly handle
2151         interworking and interrupt functions.
2152
2153 2001-05-24  Philip Blundell  <philb@gnu.org>
2154
2155         * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
2156         -m{no-}sched-prolog.  Fix typos and improve formatting.
2157
2158 2001-05-24  Philip Blundell  <philb@gnu.org>
2159
2160         * invoke.texi (ARM Options): Improve wording slightly.  Add
2161         documentation for more options, including those for Thumb mode.
2162         Don't mention options that don't exist or are unimplemented.
2163         (Thumb Options): Delete; merged into above section.
2164
2165 2001-05-24  Geoff Keating  <geoffk@redhat.com>
2166
2167         * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
2168         (MD_FALLBACK_FRAME_STATE_FOR): Use it.
2169
2170 Thu May 24 19:47:19 CEST 2001  Jan Hubicka  <jh@suse.cz>
2171
2172         * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
2173         fix hard register simplification.
2174
2175 Thu May 24 00:15:17 2001  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2176
2177         * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
2178         of just copying CPP_CPU_SPEC.
2179
2180 Thu May 24 15:56:48 CEST 2001  Jan Hubicka  <jh@suse.cz>
2181
2182         * i386.c (incdec_operand): Accept only 1 and -1.
2183
2184 2001-05-23  Kelley Cook  <kelley.cook@home.com>
2185
2186         * Makefile.in: Move many of the *_H definitions eariler in the
2187         file, so that rules in t-* files that use them for
2188         dependencies will work in a parallel build.
2189         * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
2190
2191 2001-05-23  Richard Henderson <rth@redhat.com>
2192
2193         * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
2194
2195 2001-05-23  Neil Booth  <neil@daikokuya.demon.co.uk>
2196
2197         * cpp.texi: Update for handling of charconsts.
2198         * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF.  Update
2199         diagnostics.  Skip to the end if the UCS is too short.
2200         (cpp_interpret_charconst): Long charconsts issue a warning
2201         not an error.
2202
2203 2001-05-23  Richard Henderson  <rth@redhat.com>
2204
2205         * doc/install.texi (alpha-linux): Require binutils 2.11.
2206
2207 2001-05-23  Neil Booth  <neil@daikokuya.demon.co.uk>
2208
2209         * c-lex.c (read_escape, read_ucs): Delete.
2210         (lex_string): Use cpp_parse_escape.
2211         * cpplex.c (read_ucs): Rename maybe_read_ucs.  Do nothing
2212         if not C++ or not C99.  Warn if traditional.
2213         (parse_escape): Rename cpp_parse_escape.  Make the bitmask
2214         unsigned.  Warn for out-of-range escape sequences here.
2215         Update to use maybe_read_ucs.
2216         (cpp_interpret_charconst):  Don't warn here.
2217         * cpplib.h (cpp_parse_escape): New exported function.
2218
2219 2001-05-23  Joseph S. Myers  <jsm28@cam.ac.uk>
2220
2221         * extend.texi (Attribute Syntax): Clarify application of
2222         attributes to parameters declared as functions or arrays.
2223
2224 2001-05-23  Jason Merrill  <jason_merrill@redhat.com>
2225
2226         * dbxout.c (dbxout_type_methods): Do still group methods by name.
2227
2228 2001-05-23  Zack Weinberg  <zackw@stanford.edu>
2229
2230         * diagnostic.c (vnotice): Kill.
2231         (fnotice): Call vfprintf directly.
2232         (diagnostic_for_decl, output_do_verbatim, output_verbatim,
2233         verbatim, set_diagnostic_context): Rename string argument to
2234         indicate that it is run through gettext.
2235         (vbuild_message_string, build_message_string, output_do_printf):
2236         Rename string argument to indicate that it is NOT run through
2237         gettext.
2238         (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
2239         output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
2240         Run msgid argument through gettext.
2241         (default_print_error_function): Run constant strings through
2242         gettext when nothing else will.
2243         (fatal_error, internal_error, error_recursion): Use fnotice.
2244         Present complete sentences to gettext.
2245
2246 2001-05-23  Mark Mitchell  <mark@codesourcery.com>
2247
2248         * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
2249
2250 2001-05-23  Richard Henderson  <rth@redhat.com>
2251
2252         * function.c (expand_function_start): Always use a pseudo
2253         for the function result value.
2254
2255 2001-05-22  Richard Henderson  <rth@redhat.com>
2256
2257         * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
2258         section pointer alignment.
2259
2260         * doc/install.texi (alpha-linux): Require binutils >= 2.10.
2261
2262         * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
2263         of __USER_LABEL_PREFIX__.
2264
2265 2001-05-22  Richard Henderson  <rth@redhat.com>
2266
2267         * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
2268         (__deregister_frame_info_bases): New.
2269         * unwind-dw2-fde.h: Declare it.
2270         * libgcc-std.ver: Export it.
2271         * crtstuff.c (__do_global_dtors_aux): Call it if we would have
2272         called __register_frame_info_bases.
2273
2274 2001-05-22  Loren J. Rittle  <ljrittle@acm.org>
2275
2276         * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
2277         instead of #elif (which is OK for this case but not in general).
2278
2279 2001-05-22  Andrew MacLeod  <amacleod@redhat.com>
2280
2281         * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
2282         * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
2283         parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
2284         * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
2285         "r2" to the assembly file. Only issue allocs with non-zero parameters.
2286
2287 2001-05-22  Loren J. Rittle  <ljrittle@acm.org>
2288             David O'Brien  <obrien@freebsd.org>
2289
2290         * config/freebsd.h (LIB_SPEC): Key the exact setting to
2291         configure-time options and target version of FreeBSD.  Set-up
2292         to match architectural change in threading support.  Correctly
2293         report when -pthread option is not supported by configure-time
2294         options.
2295         (FBSD_CPP_PREDEFINES): Move from architecture-specific files
2296         and extend to encode target version number in run-time setting
2297         of __FreeBSD__ macro to match the system compiler.
2298         (CPP_PREDEFINES): Likewise.
2299         (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
2300
2301         * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
2302         * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
2303
2304 2001-05-22  Loren J. Rittle  <ljrittle@acm.org>
2305             David O'Brien  <obrien@freebsd.org>
2306
2307         * config.gcc (the unlabeled system switch statement): Add
2308         generic configuration section to handle *-*-freebsd*.  Also,
2309         to match the system compiler, default to threading support (it
2310         may be disabled with the standard --disable-threads
2311         configuration-time switch).
2312         (i[34567]86-*-freebsd* in machine-specific section): Use it.
2313         (alpha*-*-freebsd* in machine-specific section): Likewise.
2314
2315         * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
2316         * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
2317         * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
2318         * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
2319         * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
2320
2321 2001-05-22  Loren J. Rittle  <ljrittle@acm.org>
2322             David O'Brien  <obrien@freebsd.org>
2323
2324         * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
2325         * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
2326         -pthread instead setting macro.
2327
2328 2001-05-22  Richard Henderson  <rth@redhat.com>
2329
2330         * crtstuff.c (__register_frame_info_bases): Declare.
2331         (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
2332         (__do_global_dtors_aux, __do_global_dtors): Streamline.
2333
2334         * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2335         (CRT_GET_RFIB_DATA): New.
2336         * config/i386/sysv4.h: Likewise.
2337         * config/i386/sco5.h: Likewise.
2338         (ASM_PREFERRED_EH_DATA_FORMAT): New.
2339
2340 2001-05-22  Richard Henderson  <rth@redhat.com>
2341
2342         * rtl.c (read_string): Break out from ...
2343         (read_rtx): ... here.
2344
2345 2001-05-22  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
2346
2347         * doc/install.texi (Specific): Remove a bogus and duplicate part
2348         copied from the end of the document.
2349
2350 2001-05-22  Bernd Schmidt  <bernds@redhat.com>
2351
2352         * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
2353
2354 2001-05-22  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
2355
2356         * install.texi: Remove obsolete information on SunOS as well as
2357         i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
2358         (Installing GNU CC on the Sun): Remove section.
2359
2360 2001-05-22  Alexandre Oliva  <aoliva@redhat.com>
2361
2362         * cppfiles.c (remove_component_p): Don't assume lstat/stat will
2363         keep errno unchanged on success.
2364
2365 2001-05-22  Joseph S. Myers  <jsm28@cam.ac.uk>
2366
2367         * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
2368         once for hexadecimal floats, whether or not they contain a decimal
2369         point.  Don't let the setting of pedantic otherwise affect the
2370         parsing of hexadecimal floats.
2371
2372 2001-05-22  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
2373
2374         * README.ACORN: Remove obsolete file.
2375
2376 2001-05-22  Jan Hubicka  <jh@suse.cz>
2377
2378         * combine.c (gen_binary): Use swap_commutative_operands_p
2379         (simplify_comparison): Likewise.
2380         * expmed.c (emit_store_flag): Likewise.
2381         * expr.c (compare_from_rtx): Likewise.
2382         (do_compare_rtx_and_jump): Likewise.
2383         * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
2384         if not emitting a branch and operands want swapping.
2385
2386 2001-05-22  Neil Booth  <neil@daikokuya.demon.co.uk>
2387
2388         * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
2389         * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
2390         (maybe_get_identifier): Update.
2391         * tree.h (make_identifier): Delete.
2392
2393 2001-05-21  Richard Henderson  <rth@redhat.com>
2394
2395         * combine.c (subst): Do not substitute for a register as
2396         a destination subreg/strict_low_part/zero_extract.
2397
2398         * combine.c (simplify_comparison): Update op1 after constant
2399         extension.
2400         * recog.c (const_int_operand): Accept only constants valid
2401         for the given mode.
2402         * genrecog.c: Update comments wrt const_int_operand.
2403
2404         * emit-rtl.c (init_emit_once): Zero unused memory in a
2405         CONST_DOUBLE.
2406
2407 2001-05-21  Mark Mitchell  <mark@codesourcery.com>
2408
2409         * tree.h (type_num_arguments): Declare it.
2410         * tree.c (type_num_arguments): New function.
2411
2412 2001-05-21  Richard Henderson  <rth@redhat.com>
2413
2414         * dwarf2out.c (current_funcdef_number): Move outside dwarf2
2415         conditional ifdef.
2416
2417 2001-05-21  Geoff Keating  <geoffk@redhat.com>
2418
2419         * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
2420         (maxsf3+1): Delete.
2421         (minsf3): Use rs6000_emit_minmax.
2422         (minsf3+1): Generalize to handle both SMIN and SMAX.  Use
2423         rs6000_emit_minmax.
2424         (movsfcc): Use rs6000_emit_cmove.
2425         (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
2426         Don't generate emit_fselsfsf4.
2427         (fseldfsf4): Likewise.
2428         (maxdf3): Use rs6000_emit_minmax.
2429         (maxdf3+1): Delete.
2430         (mindf3): Use rs6000_emit_minmax.
2431         (mindf3+1): Generalize to handle both SMIN and SMAX.  Use
2432         rs6000_emit_minmax.
2433         (movdfcc): Use rs6000_emit_cmove.
2434         (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
2435         Don't generate emit_fselsfsf4.
2436         (fselsfdf4): Likewise.
2437         * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
2438         (min_max_operator): New predicate.
2439         (rs6000_emit_cmove): New function.
2440         (rs6000_emit_minmax): New function.
2441         * config/rs6000/rs6000-protos.h: Prototype new functions.
2442         * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
2443         and min_max_operator.
2444
2445         * config/rs6000/rs6000.c (output_cbranch): Handle all
2446         conditional types in the switch statement.
2447
2448 2001-05-21  Mark Mitchell  <mark@codesourcery.com>
2449
2450         * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
2451         non-register variables.
2452         * extend.texi: Document that asm-specifications do not make sense
2453         for non-static local variables.
2454
2455 2001-05-21  Jason Merrill  <jason_merrill@redhat.com>
2456
2457         * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
2458         (dbxout_type_fields): Lose minimal_debug support.
2459         (dbxout_type_methods, dbxout_type): Likewise.
2460
2461 2001-05-17  Andrew Haley  <aph@redhat.com>
2462
2463         * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2464
2465 2001-05-21  Richard Henderson  <rth@redhat.com>
2466
2467         * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
2468         Update all users.
2469
2470 2001-05-20  Richard Henderson  <rth@redhat.com>
2471
2472         * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2473         DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
2474         DEBUG_STR_SECTION): Rename from s/DEBUG_//.  Update all users.
2475         * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2476         DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
2477         Likewise.
2478         * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2479         DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
2480         DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
2481         (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2482         * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2483         DEBUG_PUBNAMES_SECTION): Rename as above.
2484         (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2485
2486 2001-05-20  Richard Henderson  <rth@redhat.com>
2487
2488         * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
2489         operands unless the operation is commutative.
2490
2491 2001-05-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2492
2493         * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
2494         cases.
2495
2496 2001-05-21  Joseph S. Myers  <jsm28@cam.ac.uk>
2497
2498         * extend.texi: Clarify documentation of extensions included in ISO
2499         C99.  Prefer C99 terminology and syntax to old GNU terminology and
2500         syntax.  Add more index entries.  Document mixed declarations and
2501         code as an extension in C89 mode.  Warn about future changes to
2502         semantics of inline functions.  Fixes PR other/930.
2503
2504 Sun May 20 16:39:24 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2505
2506         * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
2507         access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2508         (expand_expr, case COMPONENT_REF): Do copy if misaligned even
2509         if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2510
2511         * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
2512
2513 2001-05-20  Richard Henderson  <rth@redhat.com>
2514
2515         * sched-deps.c (sched_analyze_insn): Force volatile memory reads
2516         to be output before a branch.
2517
2518 2001-05-20  Richard Henderson  <rth@redhat.com>
2519
2520         * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
2521
2522 2001-05-20  Richard Henderson  <rth@redhat.com>
2523
2524         * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
2525         (ASM_DOUBLE): Remove.
2526         * config/i386/bsd.h, config/i386/sco5.h: Likewise.
2527         * config/i386/sun386.h: Likewise.
2528
2529         * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
2530         (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
2531
2532         * config/i386/cygwin.h (INT_ASM_OP): Remove.
2533         * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
2534         * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
2535         * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
2536
2537         * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
2538         * config/i386/djgpp.h, config/i386/i386.h: Likewise.
2539         * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
2540         * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
2541         * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
2542         * config/i386/win32.h: Likewise.
2543
2544 2001-05-20  Joseph S. Myers  <jsm28@cam.ac.uk>
2545
2546         * invoke.texi: Add more options to summary list.
2547
2548 2001-05-20  Joseph S. Myers  <jsm28@cam.ac.uk>
2549
2550         * invoke.texi: Document meaning of -pedantic when -std=gnu* is
2551         used.  Fixes PR c/2291.
2552         * gcc.1: Regenerate.
2553
2554 2001-05-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
2555
2556         * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
2557         the -fpic and -fPIC options, clear flag_pic.
2558
2559 2001-05-20  Neil Booth  <neil@daikokuya.demon.co.uk>
2560
2561         * hashtable.c (calc_hash): Fix HASHSTEP definition.
2562         * stringpool.c (make_identifier): No statistics here anymore.
2563         * objc-act.c (steup_string_decl): Remove redundant check.
2564
2565 2001-05-20  Neil Booth  <neil@daikokuya.demon.co.uk>
2566
2567         * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
2568         cpplib.o, cpphash.o, fix-header): Update.
2569         (hashtable.o): New target.
2570         * c-common.h: Include cpplib.h.  Define C_RID_CODE and
2571         struct c_common_identifier here.
2572         * c-lang.c (c_init_options): Update.  Call set_identifier_size.
2573         * c-lex.c (c_lex): Update.
2574         * c-pragma.h: Update.
2575         * c-tree.h (struct lang_identifier): Contain c_common_identifier.
2576         Delete rid_code.
2577         (C_RID_CODE): Delete.
2578         * cpphash.c: Rewrite to use hashtable.c.
2579         * cpphash.h: Update include guards.
2580         (struct cpp_reader): Remove hashtab.
2581         hash_ob and buffer_ob are no longer pointers.  Add hash_table
2582         and our_hashtable.
2583         (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
2584         (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
2585         (_cpp_cleanup_stacks): Rename _cpp_init_directives.
2586         * cppinit.c (cpp_create_reader): Update.
2587         * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
2588         (cpp_interpret_charconst): Eliminate warning.
2589         * cpplib.c (do_pragma, do_endif, push_conditional,
2590         cpp_push_buffer, cpp_pop_buffer): Update.
2591         (_cpp_init_stacks): Rename cpp_init_directives.
2592         (_cpp_cleanup_stacks): Remove.
2593         * cpplib.h: Update include guards.  Include tree-core.h and c-rid.h.
2594         (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
2595          cpp_forall_identifiers, cpp_create_reader): Update.
2596         (C_RID_CODE, cpp_make_node): New.
2597         (c_common_identifier): New identifier node for C front ends.
2598         * cppmain.c (main): Update.
2599         * fix-header.c (read_scan_file): Update.
2600         * flags.h (id_clash_len): Make unsigned.
2601         * ggc.h (ggc_mark_nonnull_tree): New.
2602         * hashtable.c: New.
2603         * hashtable.h: New.
2604         * stringpool.c: Update comments and copyright.  Update to use
2605         hashtable.c.
2606         * toplev.c (approx_sqrt): Move to hashtable.c.
2607         (id_clash_len): Make unsigned.
2608         * toplev.h (ident_hash): New.
2609         * tree.c (gcc_obstack_init): Move to hashtable.c.
2610         * tree.h: Include hashtable.h.
2611         (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
2612         (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
2613         (struct tree_identifier): Update.
2614         (make_identifier): New.
2615 cp:
2616         * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
2617         (C_RID_CODE): Remove.
2618         * lex.c (cxx_init_options): Call set_identifier_size.  Update.
2619         (init_parse): Don't do it here.
2620 objc:
2621         * objc-act.c (objc_init_options): Call set_identifier_size. Update.
2622
2623 Sat May 19 18:23:04 2001  Richard Henderson <rth@redhat.com>
2624
2625         * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
2626         as ncessary.
2627         (expand_eh_return): Convert between word_mode and Pmode.
2628         * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
2629         are the same size.
2630         (execute_stack_op): Likewise.
2631         (execute_cfa_program): Likewise.
2632         (uw_frame_state_for): Likewise.
2633         (uw_update_context_1): Likewise.
2634         * unwind.inc (_Unwind_Reason_Code): Likewise.
2635         * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
2636         (EH_RETURN_STACKADJ_RTX): Likewise.
2637         * config/mips/mips.c (compute_frame_size): Make space for saving
2638         EH return registers.
2639         (mips_expand_epilogue): Handle EH stack adjustments.
2640         * config/mips/mips.md (eh_return): New pattern.
2641         (eh_set_lr_si): Likewise.
2642         (eh_set_lr_di): Likewise.
2643         Add splitter to perform EH return after reload.
2644
2645 2001-05-19  Mark Mitchell  <mark@codesourcery.com>
2646
2647         * jump.c (mark_jump_label): Tidy previous change.
2648
2649 2001-05-19  Bruce Korb  <bkorb@gnu.org>
2650
2651         * fixinc/genfixes: no need for two warnings
2652         * fixinc/Makefile.in: open stdin for those building with a closed one.
2653
2654 2001-05-19  Mark Mitchell  <mark@codesourcery.com>
2655
2656         * jump.c (jump_optimize_1): Tidy.
2657         (mark_jump_label): When changing the label in a LABEL_REF, change
2658         update any REG_EQUAL notes as well.
2659
2660 2001-05-19  Joseph S. Myers  <jsm28@cam.ac.uk>
2661
2662         * c-parse.in (parm_declarator): Split into
2663         parm_declarator_starttypename and parm_declarator_nostarttypename.
2664         (parm_declarator_starttypename, parm_declarator_nostarttypename):
2665         New.  Allow parenthesised sub-declarators which don't begin with a
2666         TYPENAME.  Fixes PR c/166.
2667
2668 2001-05-19  Mark Mitchell  <mark@codesourcery.com>
2669
2670         * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
2671         macro.
2672         * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2673         Document it.
2674         * toplev.c (main): If the target does not allow profiling without
2675         a frame pointer, issue an error message.
2676         * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2677         Define it to false.
2678
2679 Sat May 19 07:53:42 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2680
2681         * recog.c (general_operand): Modify last change to allow it if reload
2682         has completed.
2683
2684 Sat May 19 10:23:54 CEST 2001  Jan Hubicka  <jh@suse.cz>
2685
2686         * recog.c (general_operand): Prohibit nonzero subreg bytes on
2687         subregs containing mem.
2688
2689 Sat May 19 09:40:45 2001  Denis Chertykov  <denisc@overta.ru>
2690
2691         * regrename.c (regrename_optimize): frame pointer register can
2692         use a few hardregs.
2693
2694 2001-05-18  Jason Merrill  <jason_merrill@redhat.com>
2695
2696         * README.DWARF: Move into dwarfout.c.
2697
2698 2001-05-18  Dale Johannesen  <dalej@apple.com>
2699
2700         * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
2701         specific misuse of r0 as a reload address.
2702
2703 Fri May 18 22:42:04 CEST 2001  Jan Hubicka  <jh@suse.cz>
2704
2705         * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
2706         suceeded.
2707
2708 Fri May 18 07:26:34 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2709
2710         * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
2711         (add_to_sequence): Make that decision type.
2712         (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
2713         (write_switch, write_cond, debug_decision_2): Likewise.
2714
2715         * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
2716         for INTEGER_TYPE.
2717         (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
2718         variable size.
2719
2720 2001-05-18  Stan Shebs  <shebs@apple.com>
2721
2722         * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
2723         * configure: Regenerate.
2724
2725 2001-05-18  Per Bothner  <per@bothner.com>
2726
2727         Changes needed for java/jvspec.c
2728         * gcc.h (n_infiles, outfiles):  Add declarations.
2729         * gcc.c (n_infiles, outfiles):  Mske no longer static.
2730
2731 Fri May 18 10:14:42 2001  Jeffrey A Law  (law@cygnus.com)
2732
2733         * config/pa/som.h (EXCEPTION_SECTION): Define.
2734
2735 2001-05-18  Daniel Berlin  <dan@cgsoftware.com>
2736
2737         * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
2738         list.
2739         Add have_location_lists, a variable to determine whether we need a
2740         .debug_loc section or not.
2741         (enum dw_val_class): Add dw_val_class_loc_list.
2742         (dw_val_struct): Add val_loc_list.
2743         (dw_loc_list_struct): New structure, represents location lists.
2744         (new_loc_list): New function, return a new location list, given
2745         the range and location expression.
2746         (add_loc_descr_to_loc_list): New function, add a location
2747         expression to a location list, given the expression and range.
2748         (output_loc_list): New function, output a location list.
2749         (gen_internal_sym): Modified to take symbol prefix, so we can
2750         reuse it for location list symbols.
2751         (add_AT_loc_list): New function, add a location list to a DIE at
2752         the named attribute.
2753         (AT_loc_list): New function, return the location list reference
2754         for a given attribute, if it's a location list.
2755         (print_die): Handle dw_val_class_loc_list.
2756         (size_of_die): Ditto.
2757         (value_format): Ditto.
2758         (output_die): Ditto.
2759         (output_location_lists): New function, output all of the location
2760         lists for a DIE and it's children.
2761         (dwarf2out_finish): Call output_location_lists if we have location
2762         lists.
2763
2764
2765 Fri May 18 15:39:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
2766
2767         * gcse.c (try_replace_reg): First try global replace, later try to
2768         simplify the expression.
2769
2770         * gcse.c (find_used_regs): Change calling convention; work via
2771         note_uses.
2772         (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
2773
2774 2001-05-18  Bernd Schmidt  <bernds@redhat.com>
2775
2776         Revert
2777         2001-02-09  Nick Clifton  <nickc@redhat.com>
2778         * config/arm/arm.md: Change output constraint on post inc
2779         load/store multiple patterns to be a read/write constraint.
2780
2781 2001-05-18  Mark Mitchell  <mark@codesourcery.com>
2782
2783         * basic-block.h (struct basic_block_def): Add documentation about
2784         what a basic block is, and what the various fields are used for.
2785         * flow.c (calculate_globlal_regs_live): Add documentation about
2786         how the algorithm works, and how we know that it will terminate.
2787         Check that the the inductive assumption that guarantees
2788         termination actually holds.
2789         (mark_used_regs): Treat conditionally set registers as used.
2790         (debug_regset): Add comment.
2791         * rtl.texi (cond_exec): Add documentation.
2792
2793         * function.c (expand_function_start): Avoid creating BLKmode
2794         pseudos.
2795
2796 2001-05-17  Mark Mitchell  <mark@codesourcery.com>
2797
2798         * dwarf2out.c (output_comp_unit): Always output a compilation-unit
2799         DIE, even if it has no children.
2800         (dwarf2out_finish): Always output the line-number table, even if
2801         it has no content.
2802
2803 2001-05-18  David Edelsohn  <edelsohn@gnu.org>
2804
2805         * rs6000.md (movsfcc,movdfcc): Remove NE case.
2806
2807 2001-05-17  Bruce Korb <bkorb@gnu.org>
2808
2809         * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
2810         * fixinc/genfixes: emit a warning if AutoGen is out of date
2811
2812 2001-05-17  Brendan Conoboy <blc@cygnus.com>
2813             Bruce Korb <bkorb@gnu.org>
2814
2815         * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
2816         found in fixinc directory.  Facilitates binary distributions.
2817
2818 2001-05-17  Jeffrey Oldham  <oldham@codesourcery.com>
2819
2820         * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
2821         COMPLEX_TYPE.
2822
2823 Thu May 17 19:42:39 2001  Mark Kettenis  <kettenis@wins.uva.nl>
2824
2825         * dwarf2out.c (modified_type_die): Equate qualified type to die.
2826
2827 Thu May 17 23:19:46 CEST 2001  Jan Hubicka  <jh@suse.cz>
2828
2829         * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
2830         (simplify_subreg): Handle complex types represented as CONCAT.
2831
2832         * recog.c (validate_replace_rtx_1): Properly canonicalize expression
2833         * rtl.h (swap_commutative_operands_p): Declare.
2834         * rtlanal.c (swap_commutative_operands_p): New.
2835         (operand_preference): New static function.
2836
2837         * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
2838         (gen_binary): Likewise.
2839         * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
2840         * simplify-rtx.c (simplify_gen_binary,
2841         simplify_gen_relational): Likewise.
2842
2843 Thu May 17 20:43:36 CEST 2001  Jan Hubicka  <jh@suse.cz>
2844
2845         * cse.c (fold_rtx): Use simplify_subreg.
2846
2847         * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
2848         (simplify_gen_subreg): New.
2849         (simplify_rtx): Use simplify_subreg.
2850         * rtl.h (simplify_gen_subreg): Declare.
2851
2852 2001-05-17  Mark Mitchell  <mark@codesourcery.com>
2853
2854         * doc/install.texi: Update Solaris information.
2855
2856         * except.h (protect_cleanup_actions): Remove it.
2857         (lang_protect_cleanup_actions): Declare it.
2858         * except.c (protect_cleanup_actions): Remove it.
2859         (lang_protect_cleanup_actions): New variable.
2860         (init_eh): Don't make protect_cleanup_actions a GC root.
2861         (expand_eh_region_and_cleanup): Call
2862         lang_protect_cleanup_actions.
2863         (output_function_exception_table): Remove unused `align'
2864         variable.
2865         * varasm.c (assemble_external): Abort if we have not yet
2866         opened the assembly output file.
2867
2868 Thu May 17 11:54:50 2001  Jeffrey A Law  (law@cygnus.com)
2869
2870         * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
2871         for eh_personality_libfunc.
2872
2873 Thu May 17 19:48:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
2874
2875         * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
2876         when calling simplify_subreg.  This is needed to allow replacing
2877         of expression of one mode by expression of different mode.
2878
2879 Thu May 17 19:40:03 CEST 2001  Jan Hubicka  <jh@suse.cz>
2880
2881         * simplify-rtx.c  (simplify_subreg): Avoid creating of incorrect subregs.
2882
2883 2001-05-17  Bernd Schmidt  <bernds@redhat.com>
2884
2885         * expr.c (protect_from_queue): Protect against subsequent calls to
2886         emit_queue.
2887         (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
2888         too clever.
2889
2890 Thu May 17 18:17:34 CEST 2001  Jan Hubicka  <jh@suse.cz>
2891
2892         * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
2893
2894 2001-05-17  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
2895
2896         * gccbug.in (CATEGORIES): Add "bootstrap".
2897
2898 Thu May 17 16:59:41 CEST 2001  Jan Hubicka  <jh@suse.cz>
2899
2900         * simplify-rtx.c (simplify_subreg): Break out from ...
2901         * combine.c (combine_splify_rtx) ... here and ...
2902         * recog.c (validate_replace_rtx_1): ... here;
2903         * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
2904         * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
2905         (subreg_lowpart_p): ... here.
2906
2907 2001-05-17  Bernd Schmidt  <bernds@redhat.com>
2908
2909         * stmt.c (expand_asm_operands): For inout operands, make sure
2910         the substitution of '=' for '+' makes it into the rtl.
2911
2912         * reload1.c (delete_output_reload): Call eliminate_regs on substed.
2913         (reload_as_needed): Call update_eliminable_offsets a bit later.
2914
2915 2001-05-17  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
2916
2917         * gcc.texi (gccbug): Refer to the web pages for detailed information
2918         on GNATS.
2919
2920 2001-05-16  Zack Weinberg  <zackw@stanford.edu>
2921
2922         * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
2923
2924         * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
2925         OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
2926         LIB1FUNCS, and LIB1FUNCS_EXTRA.  Delete rules: libgcc1-test,
2927         libgcc1-test.o.  Clarify commentary now that libgcc1 no longer exists.
2928         * cross-make: Don't set LIBGCC1.
2929         * mklibgcc.in: Delete all code for building from libgcc1.c.
2930         Always honor LIB1ASMFUNCS if set.
2931
2932         * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
2933         config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
2934         config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
2935         config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
2936         config/i386/uwin.asm, config/m68hc11/larith.asm,
2937         config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
2938         config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
2939         config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
2940         config/v850/lib1funcs.asm, config/c4x/libgcc.S:
2941         Delete or update references to libgcc1 in commentary.
2942
2943         * config/t-libc-ok, config/t-linux, config/t-linux-aout,
2944         config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
2945         config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
2946         config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
2947         config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
2948         config/arm/t-semi, config/arm/t-strongarm-coff,
2949         config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
2950         config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
2951         config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
2952         config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
2953         config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
2954         config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
2955         config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
2956         config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
2957         config/m68k/t-m68kbare, config/m68k/t-m68kelf,
2958         config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
2959         config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
2960         config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
2961         config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
2962         config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
2963         config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
2964         config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
2965         config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
2966         config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
2967         config/mips/t-ultrix, config/mn10200/t-mn10200,
2968         config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
2969         config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
2970         config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
2971         config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
2972         config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
2973         config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
2974         config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
2975         config/sparc/t-sparclite, config/sparc/t-splet,
2976         config/sparc/t-sunos41, config/sparc/t-vxsparc,
2977         config/sparc/t-vxsparc64, config/v850/t-v850:
2978         Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
2979
2980         * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
2981         Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
2982         * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
2983         FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
2984         nongcc_SI_type, nongcc_word_type, or perform_*
2985         * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
2986
2987         * config/i386/386bsd.h, config/i386/beos-elf.h,
2988         config/i386/linux-aout.h, config/i386/linux-oldld.h,
2989         config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
2990         config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
2991         Don't include i386/perform.h.
2992
2993         * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
2994         config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
2995         config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
2996         config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
2997         config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
2998         config/vax/t-openbsd, config/vax/t-vax: Delete.
2999
3000         * config.gcc: Remove references to deleted files.
3001         (arm-semi-aof): Use arm/t-semi for tmake_file.
3002
3003         * gcc.texi, install.texi, invoke.texi, tm.texi:
3004         Delete or rewrite text which is no longer relevant now that
3005         libgcc1 no longer exists.
3006
3007         * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
3008         No need to set INSTALL_ASSERT_H.  (Missed in previous sweep.)
3009
3010 2001-05-16  Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
3011         Bruce Korb <bkorb@gnu.org>
3012
3013         * fixinc/inclhack.def(solaris27_mutex_init):  Fix broken mutex
3014         initializer
3015
3016 2001-05-16  Zack Weinberg  <zackw@stanford.edu>
3017
3018         * i386.md: Add two peepholes to clean up code generated by
3019         cmpstr* expanders.
3020
3021 2001-05-16  Richard Henderson  <rth@redhat.com>
3022
3023         * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
3024         variants of non-absolute encodings.
3025
3026         * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3027
3028         * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
3029         __register_frame_info_table_bases): Export.
3030
3031 2001-05-16  Richard Henderson  <rth@redhat.com>
3032
3033         * except.c (eh_data_format_name): Move to ...
3034         * dwarf2asm.c: ... here.  Use designated initializers if available.
3035         (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
3036         * dwarf2asm.h: Update declarations.
3037         * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
3038         ASM_PREFERRED_EH_DATA_FORMAT.
3039         (output_call_frame_info): Likewise.  Use 'L' augmentation for
3040         the LSDA encoding.
3041
3042         * unwind-dw2-fde.h (struct fde_vector): New.
3043         (struct old_object): Rename from struct object.
3044         (struct object): New.
3045         (__register_frame_info_bases): Declare.
3046         (__register_frame_info_table_bases): Declare.
3047         (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
3048         * unwind-dw2-fde.c (objects): Remove.
3049         (unseen_objects, seen_objects): New.
3050         (__register_frame_info_bases): New.
3051         (__register_frame_info): Use it.
3052         (__register_frame_info_table_bases): New.
3053         (__register_frame_info_table): Use it.
3054         (__deregister_frame_info): Rewrite for changed object struct.
3055         (base_from_object, get_cie_encoding, get_fde_encoding): New.
3056         (fde_unencoded_compare): Rename from fde_compare; uninline.
3057         (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
3058         (start_fde_sort): Adjust for new definition of fde_vector.
3059         (fde_insert): Likewise.
3060         (end_fde_sort): Likewise.  Select comparison function based
3061         on properties of the object.
3062         (fde_split): Take object and fde_compare_t arguments.
3063         (frame_heapsort, fde_merge): Likewise.
3064         (classify_object_over_fdes): Rename from count_fdes.  Handle
3065         encoded pointers.  Collect encoding, mixed_encoding, and pc_begin
3066         for the object.
3067         (add_fdes): Handle encoded pointers.
3068         (init_object): Rename from frame_init.  Update for new struct object.
3069         (linear_search_fdes): Rename from search_fdes.  Handle encoded
3070         pointers.
3071         (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
3072         (binary_search_single_encoding_fdes): New.
3073         (binary_search_mixed_encoding_fdes): New.
3074         (search_object): New.
3075         (_Unwind_Find_FDE): Update for new struct object.  Fill in
3076         the dwarf_eh_bases.
3077         * unwind-dw2.c: Include unwind-pe.h.  Constify all pointers
3078         iterating over EH data.
3079         (_Unwind_FrameState): Remove saw_lsda, addr_encoding.  Add
3080         fde_encoding, lsda_encoding.
3081         (read_uleb128, read_sleb128): Remove.
3082         (read_encoded_pointer): Remove.  All callers use read_encoded_value.
3083         (extract_cie_info): Set lsda_encoding from 'L' augmentation.
3084         (uw_frame_state_for): Don't set bases.func.  Handle encoded fde
3085         pointers.
3086         * unwind-pe.h: Add "struct" to _Unwind_Context references.
3087
3088 2001-05-16  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
3089
3090         * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
3091         * cpphash.c (_cpp_lookup_with_hash): Similarly.
3092         * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
3093         cpp_spell_token, cpp_output_token): Similarly.
3094         * cpplib.c (lex_macro_node, do_undef, do_pragma,
3095         do_pragma_poison, parse_assertion, do_assert): Similarly.
3096         * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
3097         save_parameter, _cpp_create_definition, check_trad_stringification,
3098         cpp_macro_definition): Similarly.
3099         * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
3100         * c-lex.c (cb_undef, c_lex): Similarly.
3101         * fix-header.c (recognized_function): Similarly.
3102         * cpplib.h (NODE_LEN, NODE_NAME): New.
3103         (cpp_hashnode): Rename length len.
3104
3105 Wed May 16 13:41:10 2001  Jeffrey A Law  (law@cygnus.com)
3106
3107         * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
3108         GPRs.
3109
3110 2001-05-16  Andreas Jaeger  <aj@suse.de>
3111
3112         * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
3113
3114         * toplev.c: Include dwarf2asm.h for prototype of
3115         dw2_output_indirect_constants.
3116
3117 Wed May 16 19:53:53 CEST 2001  Jan Hubicka  <jh@suse.cz>
3118
3119         * stmt.c (expand_asm_operands): Be able to offload addressof
3120         expression to memory. (PR optimization/185)
3121
3122 Wed May 16 18:53:23 CEST 2001  Jan Hubicka  <jh@suse.cz>
3123
3124         * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
3125         applying distributive law.
3126
3127 2001-05-16  John David Anglin  <dave@hiauly1.hia.nrc.ca>
3128
3129         * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
3130
3131         * gthr-dce.h (UNUSED): Attribute unused macro.
3132         (__gthread_key_dtor): Make arguments UNUSED.
3133         (__gthread_key_delete): Revise for compatibility with DRAFT4
3134         implementation.
3135
3136 2001-05-16  David Edelsohn  <edelsohn@gnu.org>
3137
3138         * doc/install.texi: Update AIX information.
3139         * README.RS6000: Remove obsolete file.
3140
3141 2001-05-16  Jakub Jelinek  <jakub@redhat.com>
3142             Nathan Sidwell  <nathan@codesourcery.com>
3143
3144         * gcc.c (give_switch): Don't write before start of string.
3145         Always append suffix.
3146
3147 2001-05-16  Nathan Sidwell  <nathan@codesourcery.com>
3148
3149         * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
3150         after stage3.
3151
3152 2001-05-16  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
3153
3154         * README.ALTOS: Remove obsolete file.
3155
3156 2001-05-16  Neil Booth  <neil@daikokuya.demon.co.uk>
3157
3158         * c-lex.h (save_and_forget_protocol_qualifiers,
3159         forget_protocol_qualifiers, remember_protocol_qualifiers):
3160         Remove deleted functions' prototypes.
3161
3162 2001-05-16  Neil Booth  <neil@daikokuya.demon.co.uk>
3163
3164         * c-parse.in (methodtype): New production.
3165         (methoddef, methodproto): Collapse separate '-' and '+'
3166         handlers into 1.
3167
3168 2001-05-16  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
3169
3170         * c-common.h (RID_FIRST_PQ): New.
3171         * c-parse.in (objc_pq_context): New.
3172         (objc parser): Set objc_pq_context rather than calling
3173         remember_protocol_qualifiers and forget_protocol_qualifiers.
3174         Don't call save_and_forget_protocol_qualifiers.
3175         (yylexname): Handle objc protocol qualifiers here.
3176         * stringpool.c (struct str_header): Replace with sp_hashnode.
3177         (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
3178         (alloc_string): Rename alloc_ident.  Use the SP_ accessors.
3179         Allocate an IDENTIFIER_NODE for each identifier.
3180         (FORALL_STRINGS, set_identifier): Delete.
3181         (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
3182         (ggc_alloc_string): Use an obstack.
3183         (get_identifier, maybe_get_identifier, mark_string_hash): Update.
3184         * tree.h: Update comments.
3185         (set_identifier): Delete.
3186         * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
3187         save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
3188         remember_protocol_qualifiers): Delete.
3189
3190 Tue May 15 22:14:09 2001  Jeffrey A Law  (law@cygnus.com)
3191
3192         * flow.c (life_analysis): After life analysis is complete, do
3193         an optional scan over insns looking for REG_LABEL notes that
3194         reference a deleted label.
3195         (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
3196         before peeking at LABEL_NUSES.
3197
3198 2001-05-15  Richard Henderson  <rth@redhat.com>
3199
3200         * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
3201         (_Unwind_GetTextRelBase): New.
3202
3203 2001-05-15  Mark Mitchell  <mark@codesourcery.com>
3204
3205         * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
3206
3207 2001-05-15  Geoffrey Keating  <geoffk@redhat.com>
3208
3209         * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
3210         so that CHOOSE_SECTION gets used.
3211
3212         * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
3213         TARGET_RELOCATABLE like flag_pic for now.
3214
3215 2001-05-15  David Edelsohn  <edelsohn@gnu.org>
3216
3217         * rs6000.md (movdi splitter): Sign extend more efficiently.
3218         * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
3219         to "long long" valid on 32-bit and 64-bit hosts.
3220         (logical_operand): Cast trunc_int_for_mode return value.
3221         (rs6000_emit_move): Shift macro to encapsulate variable.
3222         (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
3223         (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
3224         plus_constant requires signed argument.
3225
3226 2001-05-15  Loren J. Rittle  <ljrittle@acm.org>
3227
3228         * gthr-posix.h: Make additional pthread-* functions weak.
3229
3230 Tue May 15 13:51:32 CEST 2001  Jan Hubicka  <jh@suse.cz>
3231
3232         * recog.c (apply_change_group): Avoid unneeded validating.
3233
3234 2001-05-14  David Edelsohn  <edelsohn@gnu.org>
3235
3236         * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
3237         (num_insns_constant): CONST_INT can be 64-bits.
3238
3239 2001-05-14  Stan Shebs  <shebs@apple.com>
3240
3241         * config/darwin.h (LIB_SPEC): Just use -lSystem.
3242         (LIBGCC_SPEC): Don't define.
3243
3244 2001-05-14  Richard Henderson  <rth@redhat.com>
3245
3246         * configure.in (gcc_cv_as_eh_frame): New test.
3247         * config.in, configure: Rebuild.
3248         * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
3249
3250 2001-05-14  Andrew MacLeod  <amacleod@redhat.com>
3251
3252         * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
3253         extended precision divide.
3254
3255 2001-05-14  Andrew MacLeod  <amacleod@redhat.com>
3256
3257         * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
3258         for RETURNS as well.
3259
3260 Mon May 14 17:34:48 CEST 2001  Jan Hubicka  <jh@suse.cz>
3261
3262         * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
3263         (CPP_CPU??_SIZE_TYPE): New.
3264         (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
3265         (CPP_CPU_SPEC): ... here; support choosing of CPU.
3266         (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
3267         (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
3268         compiler.
3269         * i386.c (override_options): Add sorry about not suported modes.
3270
3271 Mon May 14 08:56:47 2001  Jeffrey A Law  (law@cygnus.com)
3272
3273         * config/pa/som.h (NM_FLAGS): Remove.
3274         (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
3275         (ASM_OUTPUT_SECTION_NAME): Remove.
3276         (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
3277
3278 2001-05-14  Mark Mitchell  <mark@codesourcery.com>
3279
3280         * regrename.c (regrename_optimize): Do not rename registers to
3281         leaf registers.
3282
3283 2001-05-14  Alexandre Oliva  <aoliva@redhat.com>
3284
3285         * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
3286         contain MEMs.  Remove useless distinction about clobbering
3287         registers.
3288
3289 2001-05-13  Geoff Keating  <geoffk@redhat.com>
3290
3291         * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
3292         * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
3293         * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
3294         (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3295         (EXCEPTION_SECTION): Define.
3296
3297 2001-05-13  Zack Weinberg  <zackw@stanford.edu>
3298
3299         * libgcc2.c, libgcc2.h: Restore __eprintf.  Label as used for
3300         binary backward compat only.
3301         * Makefile.in (LIB2FUNCS_ST): New.  Put _eprintf here, not
3302         in LIB2FUNCS.  Pass it to mklibgcc.
3303         * mklibgcc.in: Handle LIB2FUNCS_ST.
3304
3305         * Makefile.in (installdirs): Don't create $(gcc_tooldir).
3306
3307 2001-05-13  Alexandre Oliva  <aoliva@redhat.com>
3308
3309         * tm.texi (THREAD_MODEL_SPEC): Document it.
3310         * gcc.c (main): Use it.
3311         * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
3312         * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
3313
3314 2001-05-13  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
3315
3316         * rtl.h (SYMBOL_REF_WEAK): New macro.
3317         * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
3318         * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
3319         * rtl.texi (SYMBOL_REF_WEAK): Document it.
3320         * gcc.texi: Remove wrong description.
3321
3322 2001-05-13  Mark Mitchell  <mark@codesourcery.com>
3323
3324         * Makefile.in (STAMP): New macro.
3325         Replace all uses of `touch' with $(STAMP).
3326         * fixinc/Makefile.in: Likewise.
3327
3328 Sun May 13 07:26:34 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3329
3330         * configure.in: ldopen is never in -lexc, so don't test for it.
3331         Add test for exc_resume in -lexc for Ada.
3332         * configure: Regenerated.
3333
3334 2001-05-12  Richard Henderson  <rth@redhat.com>
3335
3336         * dwarf2asm.c (size_of_encoded_value): New function.
3337         * dwarf2asm.h: Declare it.
3338         * except.c (output_function_exception_table): Align the TType
3339         array only as wide as the encoding.
3340
3341 2001-05-12  Zack Weinberg  <zackw@stanford.edu>
3342
3343         * extend.texi: Document #pragma GCC java_exceptions.
3344
3345 2001-05-12  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
3346
3347         * c-parse.in (bison parser, init_reswords): Remove uses of
3348         doing_objc_thang.
3349         * c-tree.h (doing_objc_thang): Remove.
3350
3351 2001-05-12  Neil Booth  <neil@daikokuya.demon.co.uk>
3352
3353         * cpplex.c (_cpp_lex_token): Ensure we warn at most once
3354         about files not ending in newlines.
3355
3356 2001-05-12  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
3357
3358         * dwarfout.c (dwarfout_init): Add cast.
3359         * sched-deps.c (sched_analyze_insn): Remove unused vars.
3360         * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
3361 cp:
3362         * method.c (build_mangled_C99_name): Remove unused prototype.
3363
3364 2001-05-12  Alexandre Oliva  <aoliva@redhat.com>
3365
3366         * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
3367
3368 2001-05-12  Alexandre Oliva  <aoliva@redhat.com>
3369
3370         * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
3371         * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
3372
3373 2001-05-11  Richard Henderson  <rth@redhat.com>
3374
3375         * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3376         * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
3377         dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
3378         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
3379         (dw2_output_indirect_constants): Prototype.
3380         * dwarf2out.c (dwarf2out_begin_prologue): Generate
3381         current_function_func_begin_label if we'll need it for EH.  Exit
3382         early for IA64_UNWIND_INFO.
3383         * except.c: Get DW_EH_PE_* defines from dwarf2.h.
3384         (eh_data_format_name): Update for indirect references.
3385         (output_function_exception_table): Care for IA64_UNWIND_INFO.
3386         Handle ASM_PREFERRED_EH_DATA_FORMAT.
3387         * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
3388         define HAVE_eh_return etc.
3389         * final.c (final_start_function): Always call dwarf2out_begin_prologue.
3390         (final_end_function): Don't call output_function_exception_table.
3391         * toplev.c (compile_file): Call dw2_output_indirect_constants.
3392         (rest_of_compilation): Invoke output_function_exception_table
3393         for ia64 before assemble_end_function.
3394         * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
3395         (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
3396
3397         * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
3398         * unwind.h: Declare them.
3399         * libgcc-std.ver: Export them.
3400         * unwind-pe.h: New file.
3401
3402         * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3403
3404         * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
3405         instead of "fde".
3406         (find_fde_for_dso): Extract DT_PLTGOT.
3407         (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
3408         the segment and gp as well.
3409         * config/ia64/frame-ia64.c: Remove file.
3410         * config/ia64/frame-ia64.h: Remove file.
3411         * config/ia64/unwind-ia64.c: New file.
3412         * config/ia64/unwind-ia64.h: New file.
3413         * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
3414         (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
3415         (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
3416         (ASM_PREFERRED_EH_DATA_FORMAT): New.
3417         (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
3418         (IA64_UNWIND_INFO): Re-enable.
3419         (HANDLER_SECTION): Remove.
3420         (EH_RETURN_DATA_REGNO): New.
3421         * config/ia64/ia64.md (exception_receiver): Remove.
3422         * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
3423         * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
3424
3425 2001-05-11  Richard Henderson  <rth@redhat.com>
3426
3427         * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
3428         calls and jumps to be bundled together.
3429         (ia64_reorg): Emit a break after a noreturn call that ends
3430         a function.
3431         * config/ia64/ia64.md (break_f): New.
3432
3433 2001-05-12  Neil Booth  <neil@daikokuya.demon.co.uk>
3434
3435         * c-lex.c (lex_charconst): Convert into a simple wrapper
3436         around cpp_interpret_charconst, to which most of the code
3437         body is moved.
3438         * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
3439         MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
3440         MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
3441         (lex): Use cpp_interpret_charconst.
3442         * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
3443         hex_digit_value): New functions.
3444         (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
3445         * cpplib.h (cpp_interpret_charconst): New prototype.
3446         * Makefile.in: Update.
3447
3448 2001-05-12  Dean Wakerley  <dean@wakerley.com>
3449
3450         * doc/install.texi: New file. Converted to texinfo from the HTML
3451         documentation in wwwdocs/htdocs/install.
3452
3453 Fri May 11 15:50:13 2001  Jeffrey A Law  (law@cygnus.com)
3454
3455         * gcse.c (insert_insn_end_bb): Do not search for assignments to
3456         non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3457
3458         * toplev.c (compile_file): Move comment for opening output
3459         file to just before the code that opens the output file.
3460
3461 2001-05-11  Jakub Jelinek  <jakub@redhat.com>
3462
3463         * regmove.c (regmove_optimize): Suppress the optimization for
3464         unchanging destination register.  Add comment above function.
3465
3466 2001-05-11  Zack Weinberg  <zackw@stanford.edu>
3467
3468         * Makefile.in: Exterminate all references to assert.h.
3469         * cross-make: Likewise.
3470         * assert.h: Delete.
3471         * configure.in: Correct commentary.
3472         * configure: Regenerate.
3473
3474         * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
3475         Remove __eprintf.
3476
3477         * config/t-freebsd, config/t-linux, config/t-linux-aout,
3478         config/t-netbsd, config/t-rtems, config/x-linux,
3479         config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
3480         No need to override INSTALL_ASSERT_H.
3481
3482         * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
3483         fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
3484         fixinc/fixincl.sh: Don't install assert.h into objdir/include.
3485
3486 2001-05-11  Graham Stott  <grahams@redhat.com>
3487
3488         * combine.c (simplify_comparison): Fix typo.
3489
3490 2001-05-11  Mark Mitchell  <mark@codesourcery.com>
3491
3492         * loop.h (struct movables): Remove `num'.
3493         * loop.c (scan_loop): Don't set it.  Use count_insns_in_loop.
3494         Adjust call to strength_reduce.
3495         (num_unmoved_movables): New function.
3496         (move_movables): Don't set movables->num.
3497         (strength_reduce): Compute the number of instructions in the loop
3498         here, rather than in the caller.
3499         (check_dbra_loop): Always clear reversible_mem_store if there
3500         are any memory sets.
3501         (loop_regs_scan): Don't count instructions here.
3502         (count_insn_in_loop): New function.
3503
3504 2001-05-11  Mark Mitchell  <mark@codesourcery.com>
3505
3506         * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
3507
3508 2001-05-11  Neil Booth  <neil@daikokuya.demon.co.uk>
3509
3510         * c-common.c (finish_label_expr): New function, lifted from
3511         from cp/semantics.c.
3512         * c-common.h (finish_label_expr, lookup_label): New prototypes.
3513         * c-parse.in: Move 3 blocks of parser code into new functions.
3514         * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
3515         * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
3516         (lookup_label): Remove.
3517
3518 2001-05-11  Alexandre Oliva  <aoliva@redhat.com>
3519
3520         * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
3521         FLOAT_BIT_ORDER_MISMATCH.
3522
3523 2001-05-10  David Edelsohn  <edelsohn@gnu.org>
3524
3525         * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
3526         bytes.  Reported by Kazu Hirata <kazu@hxi.com>.
3527
3528 2001-05-10  David Edelsohn  <edelsohn@gnu.org>
3529
3530         * expr.c (emit_group_load): extract_bit_field requires a REG or
3531         MEM as an argument.
3532
3533 Thu May 10 14:45:44 2001  Jeffrey A Law  (law@cygnus.com)
3534
3535         * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
3536         a computed jump into an unconditional jump.
3537         In second hunk of code for collapsing computed and conditional jumps
3538         into unconditional jumps, reemit the jump in additional cases.
3539
3540         * jump.c (jump_optimize_1): Do not wrap the new jump target
3541         inside a LABEL_REF; gen_jump will do that automatically.
3542
3543 2001-05-10  Toon Moene  <toon@moene.indiv.nluug.nl>
3544
3545         * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
3546         contents for a SYMBOL_REF in case of floating point constants.
3547
3548 2001-05-10  DJ Delorie  <dj@redhat.com>
3549
3550         * c-common.c (combine_strings): Widen strings in a
3551         host-endian-independent way.
3552
3553 2001-05-10  Joseph S. Myers  <jsm28@cam.ac.uk>
3554
3555         * c-parse.in: Remove many shift/reduce conflicts.  Update
3556         %expect values.
3557         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
3558         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
3559         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
3560         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
3561         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
3562         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
3563         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
3564         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
3565         declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
3566         declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
3567         maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
3568         typespec_reserved_nonattr, typespec_reserved_attr,
3569         typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
3570         structsp_nonattr, components_notype, component_notype_declarator,
3571         absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
3572         firstparm, setspecs_fp): New
3573         (typed_declspecs, reserved_declspecs, typed_typespecs,
3574         reserved_typespecquals, declmods, typespec, typespecqual_reserved,
3575         typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
3576         declmods_no_prefix_attr, nonempty_type_quals, structsp,
3577         type_quals): Remove.  Users updated.
3578         (initdecls, notype_initdecls, after_type_declarator,
3579         parm_declarator, notype_declarator, absdcl1, components, ivars):
3580         Don't allow attributes at the start of a declarator; include them
3581         in the production containing the declarator instead.  Always
3582         require type specifiers before trying to redeclare a typedef name.
3583         (typename): Allow for attributes but warn that they are ignored.
3584         (parmlist, firstparm, setspecs_fp): Include attributes in
3585         parmlist; suck them off the parser stack in firstparm using
3586         setspecs_fp.
3587
3588 Thu May 10 09:17:42 2001  Jeffrey A Law  (law@cygnus.com)
3589
3590         * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
3591         to determine if a block has an unconditional jump at its end.
3592
3593         * jump.c (jump_optimize_1): When converting a conditional jump
3594         to an unconditional jump, build the jump using gen_jump instead
3595         of just modify operands in-place.
3596
3597 2001-05-09  Zack Weinberg  <zackw@stanford.edu>
3598
3599         * cppinit.c (cpp_post_options): Shut off macro expansion if
3600         -fpreprocessed.
3601         * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
3602         IN_I directives only if the # is in column 1 and the directive
3603         name begins in column 2.
3604         * cppmain.c (scan_buffer): Insert a space between # and an
3605         identifier, when that identifier is a directive name.
3606
3607         * tradcpp.c (struct file_buf): Add a pointer to the next entry
3608         in the header search path.
3609         (enum node_type): Add T_INCLUDE_NEXT.
3610         (directive_table): Add entry for include_next.
3611         (do_include_next): New function.
3612         (process_include): New routine, broken out of do_include.
3613         (finclude): Insert 'nhd' argument, to be copied into
3614         next_header_dir of the new buffer.
3615         (main): Adjust to match.
3616         * gsyslimits.h, limity.h: Un-indent #include_next.
3617
3618 2001-05-09  Joseph S. Myers  <jsm28@cam.ac.uk>
3619
3620         * objc.texi: Move from ../libobjc/objc-features.texi.  Adjust for
3621         inclusion as a chapter of the GCC manual.
3622         * gcc.texi: Include objc.texi.
3623         * fdl.texi: Use @unnumberedsec for the addendum.
3624         * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
3625
3626 Wed May  9 16:01:41 CEST 2001  Jan Hubicka  <jh@suse.cz>
3627
3628         * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
3629
3630 Wed May  9 10:40:25 2001  Alexandre Oliva  <aoliva@redhat.com>
3631
3632         * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
3633         handling of two-address insns.
3634
3635 Wed May  9 10:36:18 2001  Alexandre Oliva  <aoliva@redhat.com>
3636
3637         * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
3638         ../binutils/nm-new instead of ../binutils/nm.
3639
3640 Wed May  9 12:15:46 CEST 2001  Jan Hubicka  <jh@suse.cz>
3641
3642         * i386.md (movdi splitter): Fix the splitting condition
3643         (float_extenddftf splitter): Fix mode.
3644
3645 Wed May  9 12:05:39 CEST 2001  Jan Hubicka  <jh@suse.cz>
3646
3647         * genrecog.c (write_switch): Avoid outputting of switch for
3648         types wider than int.
3649
3650 2001-05-03  Andrew Haley  <aph@cambridge.redhat.com>
3651
3652         * reload1.c (copy_eh_notes): New function.
3653         (emit_input_reload_insns): Call it.
3654         (emit_output_reload_insns): Call it.
3655
3656 2001-05-07  Zack Weinberg  <zackw@stanford.edu>
3657
3658         * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
3659         Delete stanzas.
3660         * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
3661         config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
3662
3663         * optabs.c: Delete #ifdef BROKEN_LDEXP block.
3664
3665 2001-05-07  John David Anglin  <dave@hiauly1.hia.nrc.ca>
3666
3667         * pa.md (interspace_jump): Revise comment.
3668         (builtin_longjmp): Block initial setup insns from delay slot of
3669         interspace branch.
3670         (builtin_setjmp_receiver): New expander to save and restore PIC
3671         register.
3672
3673         * som.h (NM_FLAGS): Remove `-n' sort option.  Revise comment.
3674
3675 Mon May  7 09:30:14 2001  Jeffrey A Law  (law@cygnus.com)
3676
3677         * toplev.c (compile_file): Set up the output file before we call
3678         the various initializers for the compiler.
3679
3680         * except.c (sjlj_mark_call_sites): Do not search for assignments to
3681         non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3682
3683         * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
3684         * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
3685
3686 2001-05-06  Zack Weinberg  <zackw@stanford.edu>
3687
3688         * Makefile.in (tradcpp0): Correct typo in dependency list.
3689
3690 2001-05-06  Geoff Keating  <geoffk@redhat.com>
3691
3692         * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
3693         the link register if we're not going to use it.
3694
3695         * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
3696         (output_function_profiler): Likewise.
3697
3698 2001-05-07  Alan Modra  <amodra@one.net.au>
3699
3700         * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
3701
3702 2001-05-06  Alexandre Oliva  <aoliva@redhat.com>
3703
3704         * unroll.c (loop_iterations): Don't sign-extend abs_diff;
3705         zero-extend it.  Make abs_inc unsigned.
3706
3707         * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
3708         widest mode in narrowing and widening operations.
3709
3710         * config/mips/mips.md: Sign extend CONST_INTs.
3711
3712 2001-05-06  Andreas Jaeger  <aj@suse.de>
3713
3714         * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
3715         (i386 Options): Document -momit-leaf-frame-pointer.
3716
3717 2001-05-06  Neil Booth  <neil@daikokuya.demon.co.uk>
3718
3719         * c-typeck.c (internal_build_compound_expr): Check for
3720         array to pointer conversion just once.
3721
3722 2001-05-05  Richard Henderson  <rth@redhat.com>
3723
3724         * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
3725
3726 2001-05-05  Richard Henderson  <rth@redhat.com>
3727
3728         * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
3729         to the parent of the fixup region.
3730
3731 2001-05-05  Jakub Jelinek  <jakub@redhat.com>
3732
3733         * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
3734         "inline" keyword.
3735         * cpp.texi (__NO_INLINE): Document it.
3736
3737 2001-05-05  Neil Booth  <neil@daikokuya.demon.co.uk>
3738
3739         * cppfiles.c (struct include_file): New member err_no.
3740         (find_or_create_entry): Set it.
3741         (open_file): Don't set fds to -2.  Instead, use err_no to
3742         remember previous errors, if any.
3743
3744 2001-05-05  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3745
3746         * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
3747         between X and Y by using sequences of xgdx and xgdy.
3748
3749 2001-05-05  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3750
3751         * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
3752         of '!' for the 'D' alternative ('!' is too strong).
3753         ("*logicalsi3_silshl16"): Likewise.
3754         ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
3755         ("movstrictsi"): Remove spurious '+'.
3756         ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
3757         ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
3758         ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
3759         a reload to them.
3760
3761 2001-05-04  David Edelsohn  <edelsohn@gnu.org>
3762
3763         * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
3764
3765 2001-05-04  Lars Brinkhoff  <lars@nocrew.org>
3766
3767         * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
3768         into -a.
3769
3770 2001-05-04  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
3771
3772         * config/rs6000/rs6000.md (ashldi3 splits): Guard with
3773         TARGET_POWERPC64.
3774
3775 2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3776
3777         * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
3778         soft register, use ror instead of rol.
3779
3780 2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3781
3782         * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
3783         into account pre/post increment decrement for 68HC12.
3784         Fix other problems in replacement and fix call to reg_mentioned_p.
3785
3786 2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3787
3788         * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
3789         Put the soft registers in bss for 68HC12.
3790         (L_regs_d3_4): New for _.d3 and _.d4.
3791         (L_regs_d5_6): Likewise.
3792         (L_regs_d1_2): Likewise.
3793         * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
3794
3795 2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3796
3797         * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
3798         to the pre-processor when -fshort-double is specified.
3799         * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
3800
3801 2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3802
3803         * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
3804         (__mulsi3): Rewrite for 68HC12.
3805         * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
3806         Mark 'x' constraint with earlyclobber to prevent a
3807         RELOAD_FOR_OTHER_ADDRESS to go in it.
3808         (mulhi3_m68hc12): New pattern.
3809         (mulhi3_m68hc11): Rename of mulhi3.
3810         (mulhi3): New expand for 68HC12 optimisation.
3811         (umulhisi3, mulhisi3): New patterns for 68HC12.
3812
3813 2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3814
3815         * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
3816         (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
3817         (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
3818
3819 2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3820
3821         * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
3822         constants cheap after reload.
3823         * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
3824         are cheap.
3825         (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
3826         so that gcc prefers a shift by 16.
3827         (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
3828
3829 2001-05-04  Nick Clifton  <nickc@cambridge.redhat.com>
3830
3831         * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
3832
3833 2001-05-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3834
3835         * alpha.h: NULL_PTR -> NULL.
3836         * arm.c: Likewise.
3837         * arm.h: Likewise.
3838         * avr.h: Likewise.
3839         * c4x.c: Likewise.
3840         * c4x.h: Likewise.
3841         * i386.c: Likewise.
3842         * i386.md: Likewise.
3843         * i860.c: Likewise.
3844         * ia64.c: Likewise.
3845         * m68hc11.h: Likewise.
3846         * rs6000.h: Likewise.
3847         * sh.c: Likewise.
3848         * sh.h: Likewise.
3849         * sparc.h: Likewise.
3850         * v850.c: Likewise.
3851
3852         * expr.c: Likewise.
3853         * final.c: Likewise.
3854         * gcc.c: Likewise.
3855         * recog.c: Likewise.
3856
3857 2001-05-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3858
3859         * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
3860         `bool' parameter to `int'.
3861
3862         * hash.c (hash_lookup): Likewise.
3863
3864         * hash.h (hash_lookup): Likewise.
3865
3866         * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
3867
3868 Fri May  4 13:10:03 CEST 2001  Jan Hubicka  <jh@suse.cz>
3869
3870         * i386.c (x86_initialize_trampoline): Fix mode of constant.
3871
3872 2001-05-03  Geoff Keating  <geoffk@redhat.com>
3873
3874         * invoke.texi (i386 Options): Delete references to -malign-jumps,
3875         -malign-loops, -malign-functions.
3876         * i386.c (ix86_align_funcs): Delete.
3877         (ix86_align_loops): Delete.
3878         (ix86_align_jumps): Delete.
3879         (override_options): Mark -malign-* as obsolete.  Emulate their
3880         behaviour with the -falign-* options.  Default -falign-* from
3881         the processor table.
3882         * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
3883         patch of Wed May 2 13:09:36 2001.
3884         (LOOP_ALIGN): Delete.
3885         (LOOP_ALIGN_MAX_SKIP): Delete.
3886         (LABEL_ALIGN_AFTER_BARRIER): Delete.
3887         (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
3888
3889 2001-05-04  Andreas Jaeger  <aj@suse.de>
3890
3891         * except.h: Add prototype declaration for
3892         expand_builtin_init_dwarf_reg_sizes.
3893
3894 2001-05-03  Geoffrey Keating  <geoffk@redhat.com>
3895
3896         * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
3897
3898 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3899
3900         * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
3901         instruction.
3902         ("bitcmpqi2"): New pattern for bit-extract and test.
3903         ("bitcmphi"): New pattern for bitb/bita instructions.
3904
3905 2001-05-03  Joseph S. Myers  <jsm28@cam.ac.uk>
3906
3907         * gccbug.in: Use a temporary directory when the mktemp command is
3908         not available.
3909
3910 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3911
3912         * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
3913         instead of _.d1.
3914         (INITIALIZE_TRAMPOLINE): Call it.
3915         (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
3916         (TRAMPOLINE_TEMPLATE): Remove.
3917         * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
3918         * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
3919         Declare.
3920
3921 2001-05-03  David O'Brien  <obrien@FreeBSD.org>
3922
3923         * config/t-freebsd: Don't install "assert.h" in gcc.  Compile crtbeginS.o
3924         and crtendS.o with PIC.
3925
3926 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3927
3928         * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
3929         negative numbers.
3930         (___subdi3, ___adddi3): Use x instead of y as index register.
3931         (__init_bss_section, __map_data_section): Optimize for 68HC12.
3932         (__memset, __memcpy): Likewise.
3933         (regs): Put the soft registers in bss for 68HC12.
3934         (abort): Use trap to abort for 68hc12.
3935         (__mulhi3, __mulhi32): Use emul for 68hc12.
3936         (__mulsi3): Avoid to use the tmp soft register for 68hc12.
3937
3938 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3939
3940         * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
3941         * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
3942         * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
3943         (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
3944         Set 68HC12 min offset to -65536.
3945         (print_operand): Put parenthesis arround the operand if it refers
3946         to a symbol having the same name as a register.
3947         (m68hc11_z_replacement): When z register is replaced by its
3948         equivalent soft register, force the insn to be re-recognized.
3949         (m68hc11_check_z_replacement): Fix the test when destination is
3950         the index register and z dies in the insn.
3951         (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
3952
3953 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3954
3955         * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
3956         costs according to processor variant.
3957         (m68hc11_shift_cost): New function to compute shift costs.
3958         (m68hc11_rtx_costs): Define costs according to processor variant.
3959         (m6811_cost): Costs for 68HC11.
3960         (m6812_cost): Costs for 68HC12.
3961         (COSTS_N_INSNS): Remove.
3962
3963         * config/m68hc11/m68hc11.h (RTX_COSTS): New.
3964         (DEFAULT_RTX_COSTS): Remove.
3965         (CONST_COSTS): Define costs according to OUTER_CODE.
3966         (processor_costs): New struct to define costs.
3967         (m68hc11_cost): Pointer to current costs.
3968
3969 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3970
3971         * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
3972         and use m68hc11_notice_keep_cc when using leax/leay.
3973         (addhi3 split): Reject split if the insn is handled by
3974         leax/leay above.
3975         * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
3976         push must be handled in a special way if the source operand uses
3977         sp as index register.
3978         (m68hc11_notice_keep_cc): New function.
3979         (m68hc11_gen_movhi): Use it when an insn changes a register but
3980         not the flags.
3981         (m68hc11_gen_movqi): Fix move for 68HC12.
3982         * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
3983
3984 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3985
3986         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
3987         and don't pass operands[0] to emit_library_call_value.
3988
3989 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3990
3991         * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
3992         (zero_extendsi split): Simplify and use (zero_extendhi).
3993         (*addhi3): Remove 'w' constraint since stack pointer is handled
3994         by (addhi3_sp).
3995         (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
3996         (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
3997         (*ashrhi3_const): Fix shift by 7.
3998         (*lshrsi3_const16): Fix template.
3999         (call, call_value): Fix constraint and predicate.
4000
4001 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4002
4003         * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
4004         (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
4005         (CC_REGNUM): Likewise.
4006         (*unnamed splits): Use above constants instead of hard coded numbers.
4007         (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
4008         (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
4009         (*return_16bit, *unnamed peepholes): Likewise.
4010
4011 2001-05-03  David O'Brien  <obrien@FreeBSD.org>
4012
4013         * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix):  Do not include
4014         rs6000/rs6000.h twice.
4015
4016 2001-05-03  Mark Elbrecht  <snowball3@bigfoot.com>
4017
4018         * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
4019         (CPP_SPEC): Conditionally define MSDOS and GO32.
4020         (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
4021         (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
4022         ignored.
4023         (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
4024
4025 2001-05-03  Alexandre Oliva  <aoliva@redhat.com>
4026
4027         * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
4028
4029 2001-05-03  Mark Mitchell  <mark@codesourcery.com>
4030
4031         * integrate.h (struct inline_remap): Add leaf_reg_map table.
4032         * integrate.c (expand_inline_function): Use xcalloc to allocate
4033         memory.
4034         (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
4035         registers.
4036
4037 2001-05-03  Mark Mitchell  <mark@codesourcery.com>
4038
4039         * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
4040         if it is not set.
4041
4042 2001-05-03  Alexandre Oliva  <aoliva@redhat.com>
4043
4044         * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
4045         linker if -mrelax is given.
4046         (TARGET_SWITCHES): Document -mrelax.
4047
4048         Re-installed 2001-01-09's patch:
4049         * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4050         if it's wider than long and the target's long is wider than the
4051         host's.
4052
4053 2001-05-02  David O'Brien  <obrien@FreeBSD.org>
4054
4055         * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h:  Do not
4056         directly include rs6000/rs6000.h.  Instead do it in tm.h.
4057
4058 2001-05-02  Stan Shebs  <shebs@apple.com>
4059
4060         * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
4061         NSConstantString for NeXT-style runtimes.
4062         (STRING_OBJECT_GLOBAL_NAME): New macro.
4063         (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
4064         OCTI_STRING_CLASS_DECL.
4065         (constant_string_global_id): New macro.
4066         (string_class_decl): Ditto.
4067         (setup_string_decl): New function.
4068         (build_objc_string_object): Use it to build a NeXT runtime
4069         compatible string initializer.
4070
4071 2001-05-02  Jakub Jelinek  <jakub@redhat.com>
4072
4073         * tradcpp.c (do_define): Make sure we don't walk past limit.
4074
4075 2000-05-01  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
4076
4077         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
4078         offsets if not REG_OK_STRICT.
4079
4080         * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
4081         (INT_REG_OK_FOR_INDEX_P): Likewise.
4082         (INT_REG_OK_FOR_BASE_P): Likewise.
4083         (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
4084         (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
4085         (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
4086         INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
4087         REG_OK_FOR_BASE_P. Take an additional parameter.
4088         (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
4089         (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
4090         (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
4091         (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
4092         rs6000_legitimate_address() and use it.
4093         * config/rs6000/rs6000.c: Update all callers.
4094         (rs6000_legitimate_address): New function.
4095
4096 2001-05-02  David Edelsohn  <edelsohn@gnu.org>
4097
4098         * config/rs6000/rs6000.c (rs6000_emit_move): Merge
4099         special_constant conditional blocks together.
4100
4101 2001-05-02  Dale Johannesen  <dalej@apple.com>
4102
4103         * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
4104         parameter.
4105         (STRICT_ARGUMENT_NAMING): Define.
4106         * config/rs6000/rs6000.c (function_arg_advance, function_arg,
4107         function_arg_partial_nregs, setup_incoming_varargs): Remove
4108         args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
4109         is defined.
4110
4111 Wed May  2 13:09:36 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4112
4113         * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
4114
4115         * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
4116         for replacement.
4117
4118         * expr.c (store_field): Do nothing except elaborate side-effects if
4119         zero-bit field.
4120
4121 2001-05-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4122
4123         * c-lex.c: NULL_PTR -> NULL.
4124         * cse.c: Likewise.
4125         * emit-rtl.c: Likewise.
4126         * gcse.c: Likewise.
4127         * genpeep.c: Likewise.
4128         * jump.c: Likewise.
4129         * mips-tdump.c: Likewise.
4130         * reload1.c: Likewise.
4131         * rtlanal.c: Likewise.
4132         * stmt.c: Likewise.
4133         * stor-layout.c: Likewise.
4134         * toplev.c: Likewise.
4135
4136 2001-05-01  Per Bothner  <per@bothner.com>
4137
4138         * expr.c (expand_expr):  When compiling LABELED_BLOCK_EXPR,
4139         call do_pending_stack_adjust before emiting label.
4140
4141 2001-05-01  Mark Mitchell  <mark@codesourcery.com>
4142
4143         * extend.texi: Fix typo.
4144
4145 2001-05-01  Stan Shebs  <shebs@apple.com>
4146
4147         * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
4148         of UOBJC_MODULES_decl.
4149         (generate_strings): Clear DECL_CONTEXT of new decl nodes.
4150         (generate_descriptor_table): Ditto.
4151         (generate_protocols): Ditto.
4152         (generate_protocol_list): Ditto.
4153         (generate_classref_translation_entry): Ditto.
4154
4155 2001-05-01  Jeffrey Oldham  <oldham@codesourcery.com>
4156
4157         * invoke.texi (Optimize Options): Add documentation for `--param
4158         max-delay-slot-insn-search' and `--param
4159         max-delay-slot-live-search' and reorder --param section.
4160         * params.def: Modify initial comment.
4161         * params.h (param_info): Add `help' member.
4162         * toplev.c (lang_independent_params): Include `help' description.
4163         (display_help): Print --param parameters.
4164
4165 2001-05-01  Zack Weinberg  <zackw@stanford.edu>
4166
4167         * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
4168         Remove references to deleted files.
4169         (*-*-openbsd): No need to override xmake_file.
4170         (*-*-sysv4): Treat like *-*-sysv.
4171
4172         * configure.in: Probe for ldopen in various places, and set up
4173         collect2 to be linked with them if found.
4174         Don't dink with Windows registry stuff unless $host_os is a
4175         Win32 os name.  Check to see if we need -ladvapi32.
4176         * configure: Regenerate.
4177
4178         * Makefile: Get rid of CLIB and HOST_CLIB.
4179         Substitute in COLLECT2_LIBS and link collect2 against its contents.
4180         * build-make: Get rid of HOST_CLIB.
4181
4182         * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
4183         config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4184         config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4185         config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
4186         config/rs6000/x-rs6000: Delete.
4187
4188         * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
4189         Don't set CLIB.
4190
4191         24 x-host fragments remain, 0 x-cpu, 3 top level.
4192
4193 2001-05-01  Zack Weinberg  <zackw@stanford.edu>
4194
4195         * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
4196         * configure: Regenerate.
4197
4198 2001-05-01  Angela Marie Thomas <angela@cygnus.com>
4199
4200         * Makefile.in (install-headers): Remove redundant dependency.
4201
4202 2001-05-01  Nathan Sidwell  <nathan@codesourcery.com>
4203
4204         * c-tree.texi (USING_STMT): Document.
4205
4206 2001-05-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4207
4208         * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
4209         * c-common.c: Likewise.
4210         * c-decl.c: Likewise.
4211         * combine.c: Likewise.
4212         * rs6000.c: Likewise.
4213         * except.c: Likewise.
4214         * explow.c: Likewise.
4215         * expr.c: Likewise.
4216         * fold-const.c: Likewise.
4217         * function.c: Likewise.
4218         * gcc.c: Likewise.
4219         * gcse.c: Likewise.
4220         * integrate.c: Likewise.
4221         * loop.c: Likewise.
4222         * objc/objc-act.c: Likewise.
4223         * recog.c: Likewise.
4224         * reg-stack.c: Likewise.
4225         * reload.c: Likewise.
4226         * reload1.c: Likewise.
4227         * simplify-rtx.c: Likewise.
4228         * stmt.c: Likewise.
4229         * varasm.c: Likewise.
4230
4231 2001-05-01  Gabriel Dos Reis  <gdr@codesourcery.com>
4232
4233         * diagnostic.def: New file.
4234         * diagnostic.h (diagnostic_t): New enum.
4235         * Makefile.in (diagnostic.o): Depend on diagnostic.def
4236
4237 2001-04-30  Zack Weinberg  <zackw@stanford.edu>
4238
4239         * tsystem.h: Test only POSIX for availability of string.h
4240         and time.h.
4241         * config.gcc (all systems): If USG appeared in xm_defines,
4242         change it to POSIX.  If both USG and POSIX appeared, just
4243         delete USG. Remove unnecessary quotes around xm_defines
4244         settings.
4245         (m68k-crds-unos*): Don't #define unos - tested nowhere.
4246         (m68k-apple-aux*): Don't #define AUX - tested nowhere.
4247         (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
4248         powerpc-*-linux*): No need to set xm_defines - handled by
4249         global settings for *-*-linux*.
4250
4251 2001-04-30  Zack Weinberg  <zackw@stanford.edu>
4252
4253         * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
4254         Always include gstab.h, not system stab.h.  Don't provide
4255         default definitions of N_CATCH or N_OPT.  Always use the
4256         gstab.h variant of STAB_CODE_TYPE.
4257         * final.c: Don't include stab.h/gstab.h at all, or provide
4258         defaults for N_SLINE and N_SOL.
4259
4260         * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
4261         N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
4262         available.
4263         * sdbout.c: Always include gsyms.h instead of system syms.h.
4264
4265         * configure.in: No need to check for stab.h.
4266         * configure, config.in: Regenerate.
4267         * Makefile.in (final.o): Don't depend on gstab.h.
4268
4269 2001-04-30  Mark Mitchell  <mark@codesourcery.com>
4270             Richard Henderson  <rth@redhat.com>
4271
4272         * extend.texi: Improve documentation of volatile asms.
4273
4274 2001-04-30  Mark Mitchell  <mark@codesourcery.com>
4275
4276         * c-tree.texi: Fix thinko.
4277         * gcc.texi: Likewise.
4278
4279 2001-04-30  Richard Henderson  <rth@redhat.com>
4280
4281         * c-common.c (c_promoting_integer_type_p): New function, from the
4282         corpse of old macro.  Properly promote too-small enumerations and
4283         booleans.  Adjust all callers.
4284         * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
4285         (c_promoting_integer_type_p): Declare.
4286         * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
4287         * c-typeck.c: Likewise.
4288         (default_conversion): Remove now redundant boolean check.
4289
4290 2001-04-30  Jan Hubicka  <jh@suse.cz>
4291             Richard Henderson  <rth@redhat.com>
4292
4293         * regmove.c (try_apply_stack_adjustment): Remove now redundant
4294         sanity checks.
4295         (combine_stack_adjustments_for_block): Don't combine stack
4296         allocation followed by deallocations.  Handle grow-up stacks.
4297
4298 2001-04-30  Mark Mitchell  <mark@codesourcery.com>
4299
4300         * fdl.texi: New file.
4301         * c-tree.texi: Use the GFDL.
4302         * gcc.texi: Likewise.
4303
4304 2001-04-30  Stan Shebs  <shebs@apple.com>
4305
4306         * invoke.texi: Add a section documenting Objective-C options.
4307
4308 2001-04-27  Andrew Haley  <aph@cambridge.redhat.com>
4309
4310         * emit-rtl.c (try_split):  Copy EH notes to sequence.
4311
4312 2001-04-30  Mark Mitchell  <mark@codesourcery.com>
4313
4314         * regmove.c (record_stack_memrefs): Catch all references to the
4315         stack pointer.
4316
4317 2001-04-29  Toomas Rosin <toomas at ns dot tklabor dot ee>
4318
4319         * Makefile.in (stmp-fixinc): quote shell assignment values
4320
4321 2001-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4322
4323         * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
4324
4325         * gcc.c: Likewise.
4326
4327         * prefix.c: Likewise.
4328
4329 2001-04-28  Stan Shebs  <shebs@apple.com>
4330
4331         * objc/objc-act.c (handle_class_ref): Rewrite to flush target
4332         specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
4333         * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
4334         * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
4335
4336         * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
4337         (NEXT_OBJC_RUNTIME): Define.
4338
4339 Sat Apr 28 21:02:58 CEST 2001  Jan Hubicka  <jh@suse.cz>
4340
4341         * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
4342         * simplify-rtx.c (simplify_gen_relational): Likewise.
4343
4344         * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
4345
4346         * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
4347         * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
4348
4349         * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
4350         registers in SSE case; fix handling of the immediates.
4351         (negsf2_ifs, abssf2_ifs): Tweak constraints; require
4352         operands to be in regsiters before reload.
4353         (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
4354         (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
4355         (abstf,absxf,negtf,negxf splitters): Compute
4356         properly the regnum for x86_64.
4357         (avsdf2_if_rex64): New.
4358
4359 Sat Apr 28 10:36:23 2001  Jeffrey A Law  (law@cygnus.com)
4360
4361         * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
4362         and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
4363         into the constant pool.
4364         * jump.c (jump_optimize_1): Remove barrier successors after all
4365         the LABEL_NUSES counds have been computed.
4366         (delete_barrier_successors): When deleting a tablejump insn, also
4367         delete the jump table it uses.
4368         * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
4369         label into memory.
4370
4371 2001-04-28  Martin Kalen  <martin.kalen@todaysystems.com.au>
4372
4373         * pa.c (FRP): Remove erroneous white space in macro definition.
4374
4375 2001-04-28  Andreas Jaeger  <aj@suse.de>
4376
4377         * invoke.texi: Use XX-bit instead of XXbit or XX bit where
4378         appropriate.
4379         * extend.texi: Likewise.
4380         * tm.texi: Likewise.
4381
4382 2001-04-28  Andreas Jaeger  <aj@suse.de>
4383
4384         * md.texi: Use XX-bit instead of XXbit or XX bit where
4385         appropriate.
4386
4387 2001-04-28  Jens Schweikhardt <schweikh@schweikhardt.net>
4388
4389         * gcc.c (process_command): Allow -l lib in addition to -llib
4390         for POSIX compliance. This fixes PR c/2347.
4391
4392         * invoke.texi: Update section on Link Options accordingly.
4393
4394 2001-04-27  Zack Weinberg  <zackw@stanford.edu>
4395
4396         * function.c (purge_addressof_1): Remove the duplicate
4397         if (code == SET) block.  Fold the two if (code == ADDRESSOF)
4398         blocks together.
4399
4400 2001-04-28  Jason Merrill  <jason_merrill@redhat.com>
4401
4402         * except.c (expand_eh_region_start): Don't start a new block.
4403         (expand_eh_region_end): Don't end a block.
4404         * stmt.c (expand_end_bindings): Don't end EH blocks.
4405         (expand_decl_cleanup): Starting an EH region won't change the block.
4406         (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
4407         (is_eh_region): Lose.
4408         * tree.h: Adjust.
4409
4410 2001-04-27  Jeffrey Oldham  <oldham@codesourcery.com>
4411
4412         * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
4413
4414         * collect2.c (main): Add `-L' case to remove duplicate entries.
4415         (is_in_args): New function to check for a duplicate argument.
4416         * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
4417         * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
4418         * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
4419         Define to be nonzero.
4420
4421 2001-04-27  Andreas Jaeger  <aj@suse.de>
4422             Richard Henderson  <rth@redhat.com>
4423
4424         * md.texi (Machine Constraints): Document additional i386
4425         constraints and fix description of "A".
4426
4427 Fri Apr 27 10:43:49 2001  Jeffrey A Law  (law@cygnus.com)
4428
4429         * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
4430
4431 2001-04-27  Jason Merrill  <jason_merrill@redhat.com>
4432
4433         * except.c (get_exception_filter): word_mode, not Pmode.
4434
4435 2001-04-26  Geoffrey Keating  <geoffk@redhat.com>
4436
4437         * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
4438         common to other movsf patterns.  Move up so that in future
4439         people who change the other patterns will change it too.
4440         (movsf_lo_sum): Allow even for soft-float; add appropriate
4441         constraints.
4442         (movsf_high): Likewise.
4443         (movsf_high+1): Allow even for soft-float.
4444
4445         * function.c (expand_function_end): Always clobber the
4446         return registers, even if there is no return label.
4447
4448 Thu Apr 26 20:28:21 CEST 2001  Jan Hubicka  <jh@suse.cz>
4449
4450         * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
4451
4452 Thu Apr 26 19:20:28 CEST 2001  Jan Hubicka  <jh@suse.cz>
4453
4454         * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
4455         (pushqi2_rex64, pushhi2_rex64): Add.
4456
4457 2001-04-26  Andrew Haley  <aph@cambridge.redhat.com>
4458
4459         * except.c (expand_eh_region_end_cleanup): Force pending stack
4460         adjust before emitting label that branches around cleanup code.
4461
4462 2001-04-26  H.J. Lu  (hjl@gnu.org)
4463
4464         * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
4465
4466         * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
4467         define.
4468         * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
4469         (ASM_OUTPUT_SECTION_NAME): Likewise.
4470         (ASM_WEAKEN_LABEL): Likewise.
4471         (UNIQUE_SECTION): Likewise.
4472         (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4473         (ASM_OUTPUT_DESTRUCTOR): Likewise.
4474         * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
4475         (ASM_OUTPUT_SECTION_NAME): Likewise.
4476         (ASM_WEAKEN_LABEL): Likewise.
4477         (UNIQUE_SECTION): Likewise.
4478         (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4479         (ASM_OUTPUT_DESTRUCTOR): Likewise.
4480         * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
4481         * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
4482         (ASM_FILE_START): Likewise.
4483         (ASM_OUTPUT_SOURCE_LINE): Likewise.
4484         (ASM_DECLARE_OBJECT_NAME): Likewise.
4485         (ASM_FILE_END): Likewise.
4486         (ASM_DECLARE_FUNCTION_NAME): Likewise.
4487         (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
4488         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4489         (ASM_OUTPUT_CASE_LABEL): Likewise.
4490         (ASM_OUTPUT_SKIP): Likewise.
4491         (ASM_OUTPUT_ASCII): Likewise.
4492         (ASM_OUTPUT_IDENT): Likewise.
4493         (READONLY_DATA_SECTION): Likewise.
4494         (EXTRA_SECTIONS): Likewise.
4495         (EXTRA_SECTION_FUNCTIONS): Likewise.
4496         (SELECT_RTX_SECTION): Likewise.
4497         (SELECT_SECTION): Likewise.
4498
4499         * config/mips/linux.h (INVOKE__main): Undefine.
4500         (CTOR_LIST_BEGIN): Likewise.
4501         (CTOR_LIST_END): Likewise.
4502         (DTOR_LIST_BEGIN): Likewise.
4503         (DTOR_LIST_END): Likewise.
4504         (SET_ASM_OP): Defined it to ".dummy".
4505         (ASM_OUTPUT_DEF): Defined.
4506         (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
4507
4508 2001-04-26  Nick Clifton  <nickc@cambridge.redhat.com>
4509
4510         * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
4511         assembler supports .p2align.
4512
4513 2001-04-26  Nathan Sidwell <nathan@codesourcery.com>
4514
4515         * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
4516
4517 2001-04-26  Jakub Jelinek  <jakub@redhat.com>
4518
4519         * integrate.c (expand_inline_function): Check for error_mark_node
4520         in actual argument.
4521
4522 2001-04-26  Jakub Jelinek  <jakub@redhat.com>
4523
4524         * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
4525         -m386 and -m486.
4526
4527 2001-04-26  Alexandre Oliva  <aoliva@redhat.com>
4528
4529         * configure.in (configargs.h): Define thread_model.
4530         * configure: Rebuilt.
4531         * gcc.c (main): Print it with -v.
4532
4533 2001-04-25  Joseph S. Myers  <jsm28@cam.ac.uk>
4534
4535         * invoke.texi: Document -Wmissing-braces, -dumpspecs,
4536         -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
4537         * gcc.1: Regenerate.
4538
4539 2001-04-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4540
4541         * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
4542         is_redundant_typedef): Use static inline instead of inline static.
4543
4544 Wed Apr 25 18:21:01 2001  Christopher Faylor <cgf@cygnus.com>
4545
4546         * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
4547         this directory is always searched.
4548
4549 2001-04-25  Richard Henderson  <rth@redhat.com>
4550
4551         * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
4552         of registers to restore along non eh_return path.
4553
4554 2001-04-25  Jakub Jelinek  <jakub@redhat.com>
4555
4556         * c-format.c (check_format_info_recurse): Handle
4557         PLUS_EXPR for format string.
4558
4559 2001-04-25  Jakub Jelinek  <jakub@redhat.com>
4560
4561         * config/ia64/ia64.h (CC1_SPEC): Define.
4562         * config/ia64/linux.h (CC1_SPEC): Define.
4563
4564 Wed Apr 25 17:09:50 2001  J"orn Rennecke <amylaar@redhat.com>
4565
4566         * emit-rtl.c (constant_subword): Also do sign extension in
4567         BITS_PER_WORD == 16 case.
4568
4569 2001-04-25  Jason Merrill  <jason_merrill@redhat.com>
4570
4571         * loop.c (try_swap_copy_prop): Go back to checking insn.
4572
4573 2001-04-25  Jakub Jelinek  <jakub@redhat.com>
4574
4575         * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
4576         if check_mode is non-zero.
4577
4578 2001-04-25  Jakub Jelinek  <jakub@redhat.com>
4579
4580         * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
4581         out and comparison sequence has been detected, put result into
4582         proper temporary pseudo.
4583
4584 2001-04-24  Zack Weinberg  <zackw@stanford.edu>
4585
4586         * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
4587         * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
4588         * libgcc2.c: Remove __dummy and __builtin_saveregs.
4589         * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
4590         * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
4591         for future reference.
4592
4593 2001-04-24  Jason Merrill  <jason_merrill@redhat.com>
4594
4595         * except.c (reachable_handlers): Step out one level from a RESX.
4596
4597         * except.c (struct eh_region): Rename 'last' to 'resume'.
4598         (mark_eh_region, duplicate_eh_region_1): Adjust.
4599         (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
4600         (build_post_landing_pads): Likewise.
4601         (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
4602         (expand_eh_region_end_must_not_throw): Likewise.
4603         (connect_post_landing_pads): Thread (only) regions with non-deleted
4604         resume insns.
4605
4606         * except.c (expand_eh_region_end_cleanup): Save the EH return data
4607         registers around the cleanup.
4608         (get_exception_filter): New fn.
4609         (finish_eh_generation): Use it.
4610
4611 2001-04-24  Nathan Sidwell <nathan@codesourcery.com>
4612
4613         * c-semantics.c (add_scope_stmt): Don't call
4614         current_scope_stmt_stack multiple times.
4615
4616 2001-04-24  Zack Weinberg  <zackw@stanford.edu>
4617             Nathan Sidwell <nathan@codesourcery.com>
4618
4619         Lazy __FUNCTION__ generation.
4620         * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
4621         RID_C99_FUNCTION_NAME): New _RIDs.
4622         (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
4623         (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
4624         CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
4625         global tree slots.
4626         (function_id_node, pretty_function_id_node, func_id_node): Remove.
4627         (c99_function_name_decl_node, function_name_decl_node,
4628         pretty_function_name_decl_node, saved_function_name_decls):
4629         Declare.
4630         (struct language_function): Remove x_function_name_declared_p.
4631         (make_fname_decl): Remove a parameter.
4632         (declare_function_names): Remove prototype.
4633         (start_fname_decls, finish_fname_decls): Prototype.
4634         (fname_as_string): Likewise.
4635         (fname_string, fname_decl): Likewise.
4636         * c-common.c (make_fname_decl): Adjust.
4637         (struct fname_var_t): New struct.
4638         (fname_vars): New static array.
4639         (declare_function_name): Remove.
4640         (start_fname_decls, finish_fname_decls): New functions.
4641         (fname_as_string): New function from remnants of
4642         declare_function_name.
4643         (fname_string, fname_decl): New functions.
4644
4645         * c-decl.c (c_function_name_declared_p): Remove.
4646         (init_decl_processing): Don't generate __FUNCTION__ et al ids,
4647         don't call declare_function_name. Call start_fname_decls.
4648         (c_make_fname_decl): Adjust parameters. Generate the name. Don't
4649         clobber the line number. Call finish_decl.
4650         (start_function): Call start_fname_decls.
4651         (finish_function): Call finish_fname_decls.
4652         Remove c_function_name_declared_p.
4653         (push_c_function_context): Don't push c_function_name_declared_p.
4654         (pop_c_function_context): Don't pop c_function_name_declared_p.
4655         (c_begin_compound_stmt): Don't check c_function_name_declared_p.
4656         * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
4657         (program): Call finish_fname_decls for C.
4658         (primary): Add VAR_FUNC_NAME.
4659         (reswords): Add slots for __FUNCTION__ et al.
4660         (rid_to_yy): Add mappings for __FUNCTION__ et al.
4661         (yylexname): If it's a STRING_FUNC_NAME generate the function name
4662         now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
4663         * c-semantics.c (prune_unused_decls): Remove.
4664         (finish_stmt_tree): Don't call prune_unused_decls.
4665         (genrtl_decl_stmt): Don't prune unused decls here.
4666
4667 2001-04-24  Nick Clifton  <nickc@cambridge.redhat.com>
4668
4669         * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
4670         constant pool, use the pool's SYMBOL_REF instead.
4671
4672         * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
4673         v850e.
4674
4675 2001-04-23  Joseph S. Myers  <jsm28@cam.ac.uk>
4676
4677         * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
4678         passing nested NOP_EXPRs to fold.
4679
4680 Mon Apr 23 14:32:12 CEST 2001  Jan Hubicka  <jh@suse.cz>
4681
4682         * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
4683
4684 2001-04-22  Mark Mitchell  <mark@codesourcery.com>
4685
4686         * loop.c (loop_delete_insns): Add prototype.
4687
4688 2001-04-23  Phil Edwards  <pme@sources.redhat.com>
4689
4690         * configure.in:  Remove ENABLE_STD_NAMESPACE.
4691         * config.in:  Regenerated.
4692         * configure:  Regenerated.
4693
4694 2001-04-22  Stan Shebs  <shebs@apple.com>
4695
4696         * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
4697         into xm_defines.
4698         * config/rs6000/xm-darwin.h: Remove file.
4699
4700 2001-04-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4701
4702         * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
4703         (write_c_file_stat): Likewise.
4704
4705         * dbxout.c (dbxout_init): Likewise.
4706
4707         * profile.c (output_func_start_profiler): Likewise.
4708
4709 2001-04-22  Philipp Thomas  <pthomas@suse.de>
4710
4711         * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
4712         require it instead of the CVS version.
4713         * cpperror.c (v_message): Put a blank before the macro
4714         body to not confuse exgettext.
4715
4716 2001-04-21  Mark Mitchell  <mark@codesourcery.com>
4717
4718         * flow.c (proagate_one_insn): Remove useless assignment.
4719         * jump.c (delete_insn): Tidy.
4720         * loop.c (try_copy_prop): When deleting an instruction with a
4721         REG_RETVAL note, delete the entire libcall sequence.
4722         (loop_delete_insns): New function.
4723         * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
4724         we're not substituting into them yet.
4725
4726 2001-04-21  Kazu Hirata  <kazu@hxi.com>
4727
4728         * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
4729
4730         * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
4731         Fix a comment typo.
4732         * config/i960/i960.c (signed_arith_operand): Likewise.
4733
4734         * calls.c (expand_call): Fix a comment typo.
4735
4736 2001-04-20  Zack Weinberg  <zackw@stanford.edu>
4737
4738         * configure.in: Probe for times, clock, struct tms, and clock_t.
4739         * configure, config.in: Regenerate.
4740         * timevar.c: Replace ifdef forest in get_time with (relatively)
4741         straightforward series of checks based on autoconf's probes.
4742
4743 Fri Apr 20 12:24:50 2001  Jeffrey A Law  (law@cygnus.com)
4744
4745         * config/pa/som.h (NM_FLAGS): Define.
4746
4747 2001-04-20  Bernd Schmidt  <bernds@redhat.com>
4748
4749         * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
4750         function.
4751         * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
4752         * ia64.c (nop_cycles_until): New function.
4753         (prev_cycle, prev_first, last_issued): New static variables.
4754         (ia64_sched_reorder): Additional arg for clock.
4755         On final scheduling pass, emit extra NOPs as needed.
4756         Set prev_first and prev_cycle.
4757         (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
4758         (ia64_variable_issue): Set last_issued.
4759
4760 2001-04-20  Alexandre Oliva  <aoliva@redhat.com>
4761
4762         * config/i386/i386.c (ix86_expand_int_movcc,
4763         ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
4764
4765 2001-04-20  Geoff Keating  <geoffk@redhat.com>
4766
4767         * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
4768         ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
4769         ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
4770         ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
4771         ctrdi_internal6): In the short-branch case, this insn is only 4
4772         bytes long.  Reported by Reza Yazdani <reza@apple.com>.
4773
4774 2001-04-20  Jakub Jelinek  <jakub@redhat.com>
4775
4776         * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
4777         "=u" is used together with "st" resp. "st(1)" clobber.
4778
4779 2001-04-20  Jakub Jelinek  <jakub@redhat.com>
4780
4781         * gcse.c (gcse_main): Fix comment typo.
4782         (delete_null_pointer_check): Likewise.
4783         (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
4784         * cse.c (cse_insn): Likewise.
4785         * function.c (fixup_var_refs_insns_with_hash): The sequence is
4786         toplevel.
4787
4788 2001-04-19  Zack Weinberg  <zackw@stanford.edu>
4789
4790         * toplev.c: Excise all code for the undocumented -dm option.
4791         (float_signal): Call signal just once, unconditionally.
4792
4793 2001-04-19  Geoff Keating  <geoffk@redhat.com>
4794
4795         * fold-const.c (fold): Use first_rtl_op rather than
4796         TREE_CODE_LENGTH when looping over parameters of a tree.
4797         Correct strange grouping in test for evaluated SAVE_EXPR.
4798
4799 Thu Apr 19 19:15:26 2001  Jeffrey A Law  (law@cygnus.com)
4800
4801         * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
4802         * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
4803
4804         * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
4805         name at 32 total characters.
4806         (ASM_OUTPUT_SECTION_NAME): Similarly.  Also, only support placing
4807         functions in named sections -- data items can still go into unique
4808         sections, but they have normal names (ie $LIT$ and $DATA$).
4809
4810         * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
4811         INIT_PRIORITY.
4812
4813 2001-04-19 DJ Delorie  <dj@redhat.com>
4814
4815         * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4816         to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
4817         * config/i386/cygwin.h: Likewise.
4818         * config/i386/mingw32.h: Likewise.
4819         * config/vax/vms.h: Likewise.
4820         * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
4821
4822         * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4823         to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
4824         * config/i386/xm-cygwin.h: Likewise.
4825         * config/i386/xm-djgpp.h: Likewise.
4826         * config/i386/xm-mingw32.h: Likewise.
4827         * config/vax/xm-vms.h: Likewise.
4828
4829         * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
4830         instead of OBJECT_SUFFIX.
4831         * collect2.c (find_a_file): Look for files matching the extension
4832         HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
4833         * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
4834         TARGET_EXECUTABLE_SUFFIX.
4835         (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
4836         (make_relative_prefix): Likewise.
4837         (convert_filename): Use TARGET_ suffixes throughout.  Remove
4838         NO_AUTO_EXE_SUFFIX.
4839         (process_command): Likewise.
4840         (do_spec_1): Likewise.
4841         * java/lang.c (init_parse): Likewise.
4842
4843         * gcc.texi : Document four new options matching the pattern
4844         (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX.  Remove documentation
4845         for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX.  Remove
4846         documentation for NO_AUTO_EXE_SUFFIX.
4847
4848 2001-04-19  Mark Mitchell  <mark@codesourcery.com>
4849
4850         * toplev.h (struct lang_hooks): Allow decode_option to indicate
4851         that language-independent processing should not be done.
4852         * toplev.c (main): Adjust accordingly.
4853
4854         * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
4855         * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
4856
4857         * mips.md (reload_outputdi): Require that operand0 be a
4858         general_operand.
4859
4860 2001-04-19  Jakub Jelinek  <jakub@redhat.com>
4861
4862         * invoke.texi (-Wshadow): Clarify.
4863
4864 2001-04-18  Mark Mitchell  <mark@codesourcery.com>
4865
4866         * loop.c (load_mems): Examine all the instructions in the loop
4867         before concluding that all jumps branch to the first instruction
4868         after the loop.
4869
4870 Wed Apr 18 20:32:03 2001  Christopher Faylor <cgf@cygnus.com>
4871
4872         * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
4873
4874 2001-04-18  Jakub Jelinek  <jakub@redhat.com>
4875
4876         * cpp.texi (-Wwhite-space): Remove.
4877         (-Wall): -Wall does not imply -Wwhite-space.
4878
4879 2001-04-17  Zack Weinberg  <zackw@stanford.edu>
4880
4881         * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
4882         use it instead of blindly generating a .stabs.
4883         * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
4884         in the right place.
4885         * xcoffout.c: Don't bother defining default for N_CATCH.
4886         (UNKNOWN_STAB): Use internal_error.
4887         (stab_to_sclass): Remove now-unnecessary aborts.
4888         Remove #if 0'ed case N_BROWS.  Add #ifdef N_OPT block.
4889
4890 Tue Apr 17 21:41:11 2001  Jeffrey A Law  (law@cygnus.com)
4891
4892         * jump.c (mark_all_labels): Canonicalize the tail recursion
4893         label attached to CALL_PLACEHOLDER insns.
4894
4895 2001-04-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4896
4897         * output.h (dump_flow_info, free_basic_block_vars,
4898         which_alternative): Delete redundant prototypes.
4899
4900         * rtl.h (bss_section): Likewise.
4901
4902 2001-04-17  Loren J. Rittle  <ljrittle@acm.org>
4903
4904         * dbxout.c (N_OPT): Define if not available from <stab.h>
4905
4906 2001-04-17  John David Anglin  <dave@hiauly1.hia.nrc.ca>
4907
4908         * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
4909         libraries and native K&R compilers.
4910
4911 2001-04-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4912
4913         * c-typeck.c (convert_arguments): Don't check for width changes
4914         with -Wtraditional.
4915
4916         * invoke.texi (-Wtraditional): Update documentation.
4917
4918 2001-04-16  Zack Weinberg  <zackw@stanford.edu>
4919
4920         * toplev.c (output_lang_identify): Delete.
4921         (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
4922         Don't generate gcc2_compiled. label.  Don't emit a nop if profiling.
4923         If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
4924         after calling ASM_FILE_END.
4925
4926         * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
4927         Instead, unconditionally emit an N_OPT stab with string equal
4928         to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
4929
4930         * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
4931
4932         * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
4933         config/psos.h, config/ptx4.h, config/1750a/1750a.h,
4934         config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
4935         config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
4936         config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
4937         config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
4938         config/i370/i370.h, config/i386/beos-elf.h,
4939         config/i386/osf1elf.h, config/i386/osfrose.h,
4940         config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
4941         config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
4942         config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
4943         config/m68k/tower-as.h, config/mcore/mcore-elf.h,
4944         config/mips/iris6.h, config/mips/osfrose.h,
4945         config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
4946         config/sparc/sp64-elf.h:
4947         Delete definitions of any or all of: ASM_IDENTIFY_GCC,
4948         ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
4949
4950         * config/elfos.h, config/freebsd.h, config/linux.h,
4951         config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
4952         config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
4953         config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
4954         of ASM_FILE_START which merely emit a .version directive.  Delete
4955         definitions of ASM_FILE_END which merely emit an .ident directive.
4956
4957         * config/avr/avr.h, config/vax/vax.h: Delete definition of
4958         ASM_IDENTIFY_GCC and move part of its logic into
4959         ASM_FILE_START.
4960
4961         * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
4962         config/sparc/linux-aout.h: Don't emit .version directive in
4963         ASM_FILE_START.
4964
4965         * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
4966         (output_file_start): Correct comment.
4967
4968         * config/i386/osfrose.h: Don't emit trailing .ident directive.
4969         * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
4970         to match gdb.
4971         * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
4972         * config/rs6000/aix.h: Correct comment.
4973
4974         * config/i386/i386afe.h: Delete.
4975         * config.gcc: Remove references to i386afe.h.
4976
4977         * tm.texi: Delete documentation of ASM_IDENTIFY_GCC.  The
4978         other macros deleted by this patch were undocumented.
4979
4980 Mon Apr 16 08:03:48 2001  Jeffrey A Law  (law@cygnus.com)
4981
4982         * pa.md (reload_outdi): Operand 0 must be a non hard register.
4983
4984         * pa.c (secondary_reload_class): SAR<->FP copies require a
4985         secondary register.
4986
4987         * install.texi (mips-mips-bsd): Update list of functions
4988         required to include memmove.
4989         * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
4990         used functions to include memmove.
4991
4992 2001-04-15  Toon Moene  <toon@moene.indiv.nluug.nl>
4993
4994         * i386.md (sqrtdf2): SFmode should be DFmode.
4995
4996 2001-04-15  Alexandre Oliva  <aoliva@redhat.com>
4997
4998         * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
4999         (find_moveable_store): Likewise.
5000
5001 2001-04-15  Jim Wilson  <wilson@redhat.com>
5002
5003         * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
5004
5005 Sat Apr 14 16:24:19 CEST 2001  Jan Hubicka  <jh@suse.cz>
5006
5007         * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
5008         (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
5009
5010 2001-04-14  Alexandre Oliva  <aoliva@redhat.com>
5011
5012         * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
5013         first alternative.
5014
5015 2001-04-14  Alan Modra  <amodra@one.net.au>
5016
5017         * pa.c (force_mode): New function.
5018         (emit_move_sequence): Use it instead of generating new rtx_REGs.
5019
5020 2001-04-13  Jim Wilson  <wilson@redhat.com>
5021
5022         * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
5023         (first_instruction): New static variable.
5024         (rtx_needs_barrier): Return 1 for alloc.
5025         (init_insn_group_barriers): Set first_instruction.
5026         (rws_sum): Delete duplicate definition.
5027         (group_barrier_needed_p): Return 0 when first_instruction true.
5028         (safe_group_barrier_needed_p): Save and restore first_instruction
5029         around group_barrier_needed_p call.
5030
5031 Fri Apr 13 21:40:28 2001  Loren J. Rittle  <ljrittle@acm.org>
5032
5033         * expr.h (enum libfunc_index): Add LTI_memmove.
5034         (memmove_libfunc): Define macro.
5035         * optabs.c (init_optabs): Initialize memmove_libfunc.
5036         * expr.c (expand_assignment): Use memmove_libfunc instead of
5037         memcpy_libfunc.
5038
5039 2001-04-13  Alan Modra  <alan@linuxcare.com.au>
5040
5041         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
5042         fp mode addresses.
5043
5044 2001-04-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5045
5046         * Makefile.in (reg-stack.o): Depend on reload.h.
5047         (insn-attrtab.o): Depend on flags.h.
5048
5049         * genattrtab (main): Include flags.h in insn-attrtab.c.
5050
5051         * reg-stack.c: Include reload.h.
5052
5053         * sparc.h (flag_pic): Delete redundant declaration.
5054
5055         * output.h (flag_pic): Likewise.
5056
5057         * tree.h (pedantic): Likewise.
5058
5059 2001-04-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5060
5061         * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
5062
5063         * jump.c, regmove.c, toplev.c: Include reload.h.
5064
5065         * reload.h (reload_cse_regs): Declare.
5066
5067         * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
5068         reload_cse_regs, init_reload, mark_home_live, reload,
5069         init_caller_save): Delete redundant prototypes.
5070
5071 2001-04-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5072
5073         * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
5074
5075         * regclass.c, ssa.c: Include expr.h.
5076
5077         * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
5078         gen_move_insn): Delete redundant declarations.
5079
5080 2001-04-13  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
5081
5082         * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
5083         (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
5084         MAKEINFO and MAKEINFOFLAGS too.
5085         (stage4_build): Correctly order -B flags.
5086
5087 2001-04-13  Alan Modra  <amodra@one.net.au>
5088
5089         * pa.c (hppa_init_pic_save): Set rtx_unchanging for
5090         PIC_OFFSET_TABLE_SAVE_RTX.
5091         (zdepi_cint_p): Describe zdepi insn.
5092         Formatting and white space fixes throughout file.
5093
5094         * pa.c (uint32_operand): Don't use long constant >= 2^32.
5095         (emit_move_sequence): Use HOST_WIDE_INT constants.  Don't worry
5096         about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
5097         (compute_movstrsi_length): Make `align' unsigned to avoid warning.
5098         (output_64bit_and): Use plain `int's for shift counts.
5099         (output_64bit_ior): Likewise.
5100         (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
5101         * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
5102         `N', and simplify.
5103
5104         * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
5105         * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
5106         * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
5107         NEW_HP_ASSEMBLER into one.  Kill warnings.
5108
5109         * pa-gas.h: Delete file.
5110         * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
5111         Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*.  Update
5112         hppa*-*-linux*.  For all pa targets, remove pa/gas.h from tm_file,
5113         instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
5114
5115         * config/pa/mill32.S: New file.
5116         * config/pa/mill64.S: New file.
5117         * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
5118         LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
5119         * config/pa/t-linux64: New file.
5120         * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
5121         (LIB1ASMFUNCS, LIB1ASMSRC): Define.
5122         (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
5123
5124         * elfos.h (SELECT_SECTION): Undef before defining.
5125         * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
5126         (LIB_SPEC): Remove -lmilli.
5127         (DBX_REGISTER_NUMBER): Remove.
5128         (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
5129         (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
5130         NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
5131         DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
5132         DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
5133         ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
5134         ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
5135         TARGET_GAS): Define.
5136         * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
5137         (function_arg): If TARGET_ELF32, pass fp args in both general and fp
5138         regs if we don't have a prototype.
5139         * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
5140         * pa.h (TARGET_ELF32): Default to 0 if undefined.
5141         (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
5142         EH_RETURN_HANDLER_RTX): Define.
5143         * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
5144         (DWARF_FRAME_REGNUM): Define.
5145         * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
5146         * pa32-linux.h: New file.
5147         * pa64-linux.h: New file.
5148
5149         * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
5150         (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
5151         (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
5152         NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
5153         DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
5154         DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
5155         CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5156         FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
5157         READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
5158         DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
5159         UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5160         ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
5161         TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
5162         * pa64-hpux.h: New file.
5163         (ASM_FILE_START): Correct typo.
5164         (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
5165         * config.gcc: Modify for above.
5166
5167 Fri Apr 13 00:09:22 EDT 2001  John Wehle  (john@feith.com)
5168
5169         * jump.c (jump_optimize_1): Don't delete dead stores here.
5170         * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
5171         prior to running jump optimize before cse2.
5172
5173 2001-04-12  Richard Henderson  <rth@redhat.com>
5174
5175         * Makefile.in (regmove.o): Depend on except.h.
5176         * regmove.c: Include it.
5177
5178 2001-04-12  Stan Shebs  <shebs@apple.com>
5179
5180         * objc/objc-act.c: Remove all code ifdefed with the never-used
5181         macro OBJC_INT_SELECTORS.
5182         * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
5183         * tm.texi: Remove doc for OBJC_INT_SELECTORS.
5184
5185 Thu Apr 12 18:13:37 2001  Rodney Brown  <RodneyBrown@mynd.com>
5186
5187         * config/pa/quadlib.c: Add prototypes.
5188
5189 2001-04-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5190
5191         * bitmap.h (debug_bitmap): Delete redundant prototype.
5192
5193         * rtl.h (get_frame_size): Likewise.
5194
5195 2001-04-12  Jim Wilson  <wilson@redhat.com>
5196
5197         * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
5198         to just emit an fnorm.
5199
5200 2001-04-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5201
5202         * c-common.h (truthvalue_conversion, type_for_mode,
5203         type_for_size): Delete redundant declarations.
5204
5205         * c-lex.h (is_class_name): Likewise.
5206
5207         * c-tree.h (pedantic, convert, getdecls, gettags,
5208         global_bindings_p, init_decl_processing, insert_block,
5209         maybe_build_cleanup, poplevel, print_lang_decl,
5210         print_lang_identifier, print_lang_type, pushdecl, pushlevel,
5211         set_block, incomplete_type_error, build_function_call,
5212         lvalue_or_else, mark_addressable): Likewise.
5213
5214         * expr.h (expand_tree_builtin): Likewise.
5215
5216 2001-04-12  Mark Mitchell  <mark@codesourcery.com>
5217
5218         * invoke.texi: Document --param max-gcse-memory.
5219
5220 2001-04-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5221
5222         * configure.in (errno): Check for declaration.
5223         * configure, config.in: Regenerated.
5224
5225         * system.h (errno): Only declare if not already done.
5226
5227 2001-04-12  Alexandre Oliva  <aoliva@redhat.com>
5228
5229         * recog.c (general_operand, immediate_operand,
5230         nonmemory_operand): Require CONST_INTs to be sign-extended
5231         values for their modes.
5232
5233 2001-04-12  Alexandre Oliva  <aoliva@redhat.com>
5234
5235         * expmed.c (store_bit_field): Truncate CONST_INTs.
5236         (expand_mult_highpart, expand_divmod): Likewise.
5237         * expr.c (convert_modes, store_field): Likewise.
5238         * integrate.c (expand_inline_function): Use promote_mode() to
5239         determine whether to convert_modes() an argument as signed
5240         or unsigned.
5241         * optabs.c (expand_binop): Get CONST_INT operands
5242         sign-extended for their appropriate modes.
5243         * stmt.c (emit_case_nodes): Convert node values to the
5244         appropriate mode.
5245         (expand_end_case): Convert minval and range to the appropriate
5246         mode.
5247         * unroll.c (loop_iterations): Truncate abs_diff to the mode of
5248         the iteration variable.
5249         * varasm.c (immed_double_const): Don't require words to be
5250         narrower than host wide ints to properly sign-extend
5251         CONST_INTs.
5252
5253 2001-04-12  kaz Kojima  <kkojima@rr.iij4u.or.jp>
5254
5255         * sh.md (builtin_setjmp_receiver): New expander.
5256
5257 2001-04-12  David Edelsohn  <dje@watson.ibm.com>
5258
5259         * config/rs6000/rs6000.c (rs6000_emit_move): Do not
5260         special-case HOST_BITS_PER_WIDE_INT != 32.  Use same criteria
5261         for generating CONST_INT and CONST_DOUBLE.
5262
5263 2001-04-12  Alexandre Oliva  <aoliva@redhat.com>
5264
5265         * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
5266         already sign-extended.
5267         (rs6000_emit_prologue): Make register iterator signed.
5268         (rs6000_emit_epilogue): Likewise.
5269         * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
5270         and low.
5271         (movsf split, movdf split): Sign-extend CONST_INTs.
5272         (movdi splits): Likewise.
5273
5274 2001-04-12  Kelley Cook <kelley.cook@home.com>
5275
5276         * config-lang.in (lang_dirs): Add in zlib.
5277
5278 2001-04-11  Alexandre Oliva  <aoliva@redhat.com>
5279
5280         * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
5281         operands that make it to RTL.
5282
5283 2001-04-11  Stan Shebs  <shebs@apple.com>
5284
5285         Add Darwin (Mac OS X kernel) native support.
5286         * config.gcc (powerpc-*-darwin*): Add native bits.
5287         * config/darwin.c: New file, generic Darwin support functions.
5288         * config/darwin.h: New file, generic Darwin definitions.
5289         * config/darwin-protos.h: New file, generic Darwin prototypes.
5290         * rs6000/darwin.h: New file, Darwin for PowerPC.
5291         * rs6000/t-darwin: New file, Darwin makefile fragment.
5292         * rs6000/rs6000.h (OBJECT_MACHO): New macro.
5293         (TARGET_MACHO): Ditto.
5294         (rs6000_abi): Add ABI_DARWIN.
5295         (RS6000_REG_SAVE): Add ABI_DARWIN case.
5296         (RS6000_SAVE_AREA): Ditto.
5297         (FP_ARG_MAX_REG): Ditto.
5298         (RETURN_ADDRESS_OFFSET): Ditto.
5299         * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
5300         cases.
5301         (rs6000_emit_move): Add ABI_DARWIN cases.
5302         (print_operand): Ditto.
5303         (first_reg_to_save): Ditto.
5304         (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
5305         (debug_stack_info): Ditto.
5306         (rs6000_emit_prologue): Ditto.
5307         (rs6000_emit_epilogue): Ditto.
5308         (output_profiler_hook): Ditto.
5309         (output_function_profiler): Ditto.
5310         (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
5311         (output_mi_thunk): Add TARGET_MACHO case.
5312         (add_compiler_stub): Ditto.
5313         (output_compiler_stub): Ditto.
5314         (no_previous_def): Ditto.
5315         (output_call): Ditto.
5316         (machopic_output_stub): Ditto.
5317         (rs6000_machopic_legitimize_pic_address): Ditto.
5318         (toc_section): Ditto.
5319         * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
5320         (macho_high): Ditto.
5321         (macho_low): Ditto.
5322         (movsi_low): Ditto.
5323         (load_macho_picbase): Ditto.
5324         (call): Add TARGET_MACHO case to modify function.
5325         (call_value): Ditto.
5326         (call_nonlocal_sysv): Add ABI_DARWIN case.
5327         (call_value_nonlocal_sysv): Ditto.
5328         * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
5329         Add prototype.
5330         (machopic_output_stub): Ditto.
5331         * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
5332
5333 2001-04-11  Mark Mitchell  <mark@codesourcery.com>
5334
5335         * dwarf2out.c (modified_type_die): Don't create new types here.
5336         * tree.h (get_qualified_type): New function.
5337         (build_qualified_type): Adjust comment.
5338         * tree.c (get_qualified_type): New function.
5339         (build_qualified_type): Use it.
5340
5341 2001-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5342
5343         * cpp.texi (-Wtraditional): Update description.
5344
5345         * invoke.texi (-Wtraditional): Likewise.
5346
5347 2001-04-11  Jim Wilson  <wilson@redhat.com>
5348
5349         * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
5350         requires more than 64 bits of alignment.
5351
5352 2001-04-11  Neil Booth  <neil@daikokuya.demon.co.uk>
5353
5354         * cpplib.c (do_line): Sanity check iff enable checking.
5355
5356 2001-04-11  Richard Henderson  <rth@redhat.com>
5357
5358         * Makefile.in (insn-recog.o): Depend on toplev.h.
5359         (insn-emit.o, doloop.o): Likewise.
5360         * genrecog.c, genemit.c: Include toplev.h in generated file.
5361         * doloop.c: Include toplev.h.
5362
5363 2001-04-11  Mark Mitchell  <mark@codesourcery.com>
5364
5365         * Makefile.in (gcse.o): Depend on params.h.
5366         * gcse.c: Include params.h.
5367         (gcse_main): Don't do GCSE if doing so will take inordinate
5368         amounts of memory.
5369         * params.def (PARAM_MAX_GCSE_MEMORY): New  parameter.
5370         * params.h (MAX_GCSE_MEMORY): New macro.
5371
5372 2001-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5373
5374         * Makefile.in (insn-output.o): Depend on $(EXPR_H).
5375
5376         * genoutput.c (output_prologue): Include expr.h in insn-output.c.
5377
5378 2001-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5379
5380         * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
5381
5382         * real.h (ereal_atof, real_value_truncate, target_isnan,
5383         target_isinf, target_negative, assemble_real, debug_real): Delete
5384         redundant prototypes.
5385
5386         * Makefile.in (ifcvt.o): Depend on toplev.h.
5387
5388         * c-semantics.c: Include expr.h.
5389
5390         * ifcvt.c: Include toplev.h.
5391
5392         * expr.h (rtx_equal_p): Delete prototype.
5393
5394         * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
5395         protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
5396         eliminate_constant_term, expand_complex_abs, find_single_use,
5397         make_tree, init_expr_once, init_optabs, supports_one_only):
5398         Likewise.
5399
5400         * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
5401         rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
5402         expand_assignment, store_expr, emit_line_note_after,
5403         emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
5404
5405         * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
5406
5407         * sparc-protos.h: Delete redundant prototypes.
5408
5409 2001-04-11  Vladimir Makarov  <vmakarov@toke.toronto.redhat.com>
5410
5411         * reload.c (push_reload): Add condition missed in SUBREG byte
5412         offset patch.
5413
5414 Wed Apr  4 00:28:23 2001  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5415
5416         * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
5417
5418 Wed Apr 11 14:06:10 CEST 2001  Jan Hubicka  <jh@suse.cz>
5419
5420         * i386.md (floatsisf_sse): Fix output template
5421         * i386.c (ix86_expand_fp_movcc)
5422
5423         * reg-stack.c (emit_pop_insn): Handle complex modes.
5424         (move_for_stack_reg): Emit proper move mode.
5425         (subst_stack_regs_pat): Handle complex modes.
5426
5427 2001-04-11  Jakub Jelinek  <jakub@redhat.com>
5428
5429         * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
5430
5431 2001-04-10  Richard Henderson  <rth@redhat.com>
5432
5433         * libgcc2.h (__terminate_func_ptr): Remove typedef.
5434         (__pure_virtual, __terminate, __terminate_set_func,
5435         __default_terminate, __throw_type_match, __empty,
5436         __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
5437         __eh_rtime_match, __unwinding_cleanup, __rethrow,
5438         __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
5439         Remove prototypes of deleted functions.
5440
5441 2001-04-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5442
5443         * c-typeck.c (convert_arguments): -Wtraditional now activates
5444         -Wconversion warnings, except for changes in signed-ness.
5445         Detect complex<->int & int<->complex conversions as well.
5446
5447         * invoke.texi (-Wtraditional): Document it.
5448
5449 Tue Apr 10 17:45:50 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5450
5451         * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
5452         * flow.c (set_block_for_new_insns): Remove needless cast and
5453         properly check for unset block number.
5454
5455 2001-04-10  Andrew MacLeod  <amacleod@redhat.com>
5456
5457         * function.c (purge_single_hard_subreg_set): Only check REGNO if
5458         the subreg was a hard register. Pseudos are left as subregs.
5459
5460 2001-04-09  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
5461
5462         * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
5463         (LIB2ADD_ST): New macro, pass it to mklibgcc.
5464         * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
5465         (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
5466         * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
5467
5468 2001-04-09  Bo Thorsen  <bo@suse.co.uk>
5469
5470         * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
5471
5472 2001-04-09  Andrew MacLeod  <amacleod@redhat.com>
5473
5474         * output.h (set_block_num): Missed it earlier, remove deprecated
5475         prototype.
5476
5477 2001-04-09  Andrew MacLeod  <amacleod@redhat.com>
5478
5479         * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
5480         (load_killed_in_block_p): Change bb parameter from int to basic_block.
5481         (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
5482         (handle_rd_kill_set): Change bb parameter from int to basic_block.
5483         (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
5484         (expr_killed_p): Change bb parameter from int to basic_block, pass
5485         basic_blocks instead of ints as parameters.
5486         (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
5487         (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
5488         from int to basic_block, pass basic_blocks instead of ints as parms.
5489         (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
5490         parameter from int to basic_block, pass basic_blocks instead of ints.
5491         (process_insert_insn): Pass basic_blocks instead of ints as parameters.
5492         (insert_insn_end_bb): Change bb parameter from int to basic_block,
5493         pass basic_blocks instead of ints.
5494         (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
5495         basic_blocks instead of ints as parameters.
5496         (pre_delete): Pass basic_blocks instead of ints as parameters.
5497         (hoist_expr_reaches_here_p): Change bb parameter from int to
5498         basic_block, pass basic_blocks instead of ints.
5499         (hoist_code): Pass basic_blocks instead of ints as parameters.
5500         (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
5501         Change bb parameter from int to basic_block.
5502         (build_store_vectors): Pass basic_blocks instead of ints as parameters.
5503         (insert_insn_start_bb): Change bb parameter from int to basic_block,
5504         pass basic_blocks instead of ints.
5505         (insert_store): Pass basic_blocks instead of ints as parameters.
5506         (replace_store_insn, delete_store): Change bb parameter from int to
5507         basic_block, pass basic_blocks instead of ints.
5508         (store_motion): Pass basic_blocks instead of ints as parameters.
5509
5510 2001-04-09  Andrew MacLeod  <amacleod@redhat.com>
5511
5512         * basic-block.h (set_new_block_for_insns): New Prototype.
5513         (set_block_num): Delete prototype.
5514         * flow.c (set_block_num): Remove obsolete function.
5515         (set_block_for_new_insns): Set BB for single or multiple insns.
5516         * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
5517         (process_insn_end_bb): Use set_block_for_new_insns or
5518         set_block_for_insn instead of set_block_num.
5519         (pre_insert_copy_insn): Use set_block_for_new_insns.
5520         (update_ld_motion_stores): Use set_block_for_new_insns.
5521         (insert_insn_start_bb): Use set_block_for_new_insns.
5522         (replace_store_insn): Use set_block_for_new_insns.
5523
5524 2001-04-09  Andrew MacLeod  <amacleod@redhat.com>
5525             Jeff Law  <law@redhat.com>
5526
5527         * alias.c (get_addr): Externalize.
5528         (canon_true_dependence): New function. Behaves like true_dependance
5529         except it already assumes a MEM has been canonicalized.
5530         * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
5531         * gcse.c (struct ls_expr): Add load/store expressions structure.
5532         (modify_mem_list, canon_modify_mem_list): New variable.
5533         (gcse_main): Initialize & finalize alias analysis. Use enhanced
5534         load motion and store motion if requested.
5535         (alloc_gcse_mem): Allocate space for modify_mem_list array.
5536         (free_gcse_mem): Free the modify_mem_list array.
5537         (oprs_unchanged_p): Use load_killed_in_block_p.
5538         (gcse_mems_conflict_p, gcse_mem_operand): New variables.
5539         (mems_conflict_for_gcse_p): New function.  Don't kill loads
5540         with stores to themselves if its in the load/store expression list.
5541         (load_killed_in_block_p): New function.
5542         (canon_list_insert): New Function.
5543         (record_last_mem_set_info): Keep a list of all instructions which
5544         can modify memory for each basic block.
5545         (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
5546         (oprs_not_set_p): Use load_killed_in_block_p.
5547         (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
5548         (expr_killed_p): Use load_killed_in_block_p.
5549         (compute_transp): Do not pessimize memory references.
5550         (pre_edge_insert): Update stores for a load motion expression.
5551         (one_pre_gcse_pass): Check loads/stores for extra load motion.
5552         (ldst_entry): Find or create a ldst_expr structure.
5553         (free_ldst_entry): Free memory for an individual item.
5554         (free_ldst_mems): Free entire load/store expression list.
5555         (print_ldst_list): Print debug info.
5556         (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
5557         (enumerate_ldsts): Assign integer values to each entry in list.
5558         (first_ls_expr): First expression in the list.
5559         (next_ls_expr): Next expression in the list.
5560         (simple_mem): Check if expression qualifies for ld/st expression list.
5561         (invalidate_any_buried_refs): Remove from expression list if its
5562         used in some other way we dont understand.
5563         (compute_ld_motion_mems): Find all potential enhanced load motion
5564         expression.
5565         (trim_ld_motion_mems): Remove any expressions which are invalid.
5566         (update_ld_motion_stores): Copy store values to registers for loads
5567         which have been moved.
5568         (regvec, st_antloc, num_store): New global statics.
5569         (reg_set_info): Marks registers as set.
5570         (store_ops_ok): Verfies registers expressions are valid in a block.
5571         (find_moveable_store): Look for moveable stores in a pattern.
5572         (compute_store_table): Find stores in a function worth moving, maybe.
5573         (load_kills_store): Check dependance of a load and store.
5574         (find_loads): Find any loads in a pattern.
5575         (store_killed_in_insn): Check if a store is killed in an insn.
5576         (store_killed_after): Check is store killed after an insn in a block.
5577         (store_killed_before): Check is store killed before an insn in a block.
5578         (build_store_vectors): Generate the antic and avail vectors.
5579         (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
5580         (insert_store): Add a store to an edge.
5581         (replace_store_insn): Replace a store with a SET insn.
5582         (delete_store): Delete a store insn.
5583         (free_store_memory): Free memory.
5584         (store_motion): Perform store motion.
5585         * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
5586         * rtl.h (get_addr, canon_true_dependence): Add prototypes.
5587         * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
5588         (f_options): Add gcse-lm and gcse-sm.
5589
5590 Mon Apr  9 16:18:03 CEST 2001  Jan Hubicka  <jh@suse.cz>
5591
5592         * i386.c (expand_fp_movcc): Fix condition reversal code.
5593
5594         * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
5595         * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
5596         (CLASS_MAX_NREGS): Use it.
5597
5598         * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
5599         handle properly complex values.
5600         (CLASS_MAX_NREGS): Likewise; update comment.
5601
5602 2001-04-05  Bernd Schmidt  <bernds@redhat.com>
5603
5604         * ia64.c (ia64_flag_schedule_insns2): New variable.
5605         (ia64_override_options): Initialize it.  Clear
5606         flag_schedule_insns_after_reload.
5607         (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
5608
5609 Mon Apr  9 15:09:13 CEST 2001  Jan Hubicka  <jh@suse.cz>
5610
5611         * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
5612         Do not require source to match destination anymore;
5613         Add abort to the nontrivial cases that should be handled by split.
5614         (fix_trunc?fdi): Add SSE case for x86_64.
5615         (floatdi?f): Likewise.
5616         (floatdi?f_sse): New.
5617         (fix_trunc?fdi_sse): New.
5618
5619 2001-04-09  Richard Sandiford   <rsandifo@redhat.com>
5620
5621         * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
5622         (DEBUG_ARANGES_END_LABEL): Ditto.
5623         (dwarfout_init): Generate length and version fields at the start
5624         of the .debug_aranges info.  Insert DEBUG_ARANGES_BEGIN_LABEL
5625         after the length field.
5626         (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
5627         the .debug_aranges info.
5628
5629 Sun Apr  8 00:43:27 CEST 2001  Jan Hubicka  <jh@suse.cz>
5630
5631         * i386.c (call, call_value): Make sure that resulting call_insn
5632         does have proper second operand.
5633
5634 Sun Apr  8 22:50:49 2001  Christopher Faylor <cgf@cygnus.com>
5635
5636         * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
5637         function.  Remove include of sys/cygwin.h.
5638
5639 Sun Apr  8 22:20:27 2001  Christopher Faylor <cgf@cygnus.com>
5640
5641         * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
5642         (CPP_SPEC): Always search */include/w32api for header files.
5643         (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
5644         (LINK_SPEC): Add "cyg" to the library search prefixes.
5645
5646 2001-04-08  Philip Blundell  <philb@gnu.org>
5647
5648         * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
5649
5650 2001-04-08  Neil Booth  <neil@daikokuya.demon.co.uk>
5651
5652         * cpperror.c (print_location): Don't special case <stdin>.
5653         (_cpp_begin_message): Handle WARNING_SYSHDR the same as
5654         WARNING, but we don't check if we're in system headers.
5655         * cpplib.h (enum error_type): WARNING_SYSHDR: New.
5656         * cpplib.c (do_warning): Warn in system headers.
5657
5658 2001-04-07  Mumit Khan <khan@NanoTech.Wisc.EDU>
5659
5660         * mbchar.c: Include config.h first.
5661
5662 2001-04-07  Zack Weinberg  <zackw@stanford.edu>
5663
5664         * config.gcc: Set default for xmake_file at top, not bottom.
5665         Change places that set xmake_file to "none" to set to the
5666         empty string instead, or remove them entirely if there is no
5667         default xmake_file for this cpu_type.  Remove references to
5668         deleted files.
5669
5670         * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
5671         config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
5672         config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
5673         config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
5674         config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
5675         config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
5676         config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
5677         config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
5678         config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
5679         config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
5680         Delete.
5681
5682         * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
5683         config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
5684         config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
5685         config/mips/x-sysv, config/rs6000/x-aix31:
5686         Just set CLIB to -lld or -lmld, as appropriate.
5687
5688         * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
5689         config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
5690         config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
5691         config/mips/x-iris, config/pa/x-pa:
5692         Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
5693         OTHER_FIXINCLUDES_DIRS.
5694
5695         * config/i386/x-djgpp: Don't set LN or LN_S.
5696         * config/m88k/x-dolph: Don't define __m88k__.
5697         * config/m88k/x-tekXD88: Don't set AR_FLAGS.
5698         * config/pa/x-pa-mpeix: Just set up quadlib.asm.
5699         * config/i860/fx2800.h: No need to #undef SVR4.
5700
5701         38 x-host fragments remain, 2 x-cpu.
5702
5703 2001-04-07  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5704
5705         * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
5706
5707 2001-04-06  Neil Booth  <neil@daikokuya.demon.co.uk>
5708
5709         * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
5710
5711 2001-04-06  Neil Booth  <neil@daikokuya.demon.co.uk>
5712
5713         * configure.in: Add check for lstat.
5714         * configure, config.in: Regenerate.
5715         * cppinit.c (append_include_chain): Make empty path ".".
5716         * cpplib.c (do_line): Don't simplify #line paths.
5717         * cppfiles.c (remove_component_p): New function.
5718         (find_or_create_entry): Acknowledge stat () errors during
5719         path simplification.
5720         (handle_missing_header): Don't simplify paths.
5721         (_cpp_simplify_pathname): Don't simplify VMS paths.  Return
5722         the empty path untouched.  Don't leave a trailing '/'.
5723
5724 2001-04-06  Benjamin Kosnik  <bkoz@redhat.com>
5725
5726         * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5727         * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5728
5729 2001-04-06  Neil Booth  <neil@daikokuya.demon.co.uk>
5730
5731         * cppfiles.c (open_file): Fail directories silently, but
5732         with an errno of NOENT set.
5733         (read_include_file): Move the common exit code to the sole
5734         caller.  Return an int indicating success or failure.  Let
5735         open_file handle directories.
5736         (stack_include_file): If read_include_file fails,
5737         push a "null" buffer.
5738
5739 2001-04-05  DJ Delorie  <dj@redhat.com>
5740
5741         * function.h (virtuals_instantiated): Declare.
5742         * function.c: (virtuals_instantiated): Make global.
5743         * calls.c (emit_library_call_value_1): Use
5744         virtual_outgoing_args_rtx only if it hasn't been instantiated.
5745         Otherwise, use the stack pointer directly.
5746
5747 Thu Apr  5 19:13:33 CEST 2001  Jan Hubicka  <jh@suse.cz>
5748
5749         * i386.c (x86_initialize_trampoline): New global function.
5750         * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
5751         (INITIALIZE_TRAMPOLINE): Move offline.
5752         * i386-protos.h (x86_initialize_trampoline): Declare.
5753
5754 Thu Apr  5 19:02:15 CEST 2001  Jan Hubicka  <jh@suse.cz>
5755
5756         * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
5757         (lea_0): Rename to lea_1.
5758         (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
5759         (lea_general_?): Allow SImodes on TARGET_64BIT
5760         (lea_general_?_zext): New patterns.
5761         (call_1, call_1_rex64): Fix.
5762
5763 Thu Apr  5 19:00:15 CEST 2001  Jan Hubicka  <jh@suse.cz>
5764
5765         * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
5766
5767 Thu Apr  5 18:25:56 CEST 2001  Jan Hubicka  <jh@suse.cz>
5768
5769         * i386.c (function_arg): Return constm1_rtx for last argument.
5770         (ix86_expand_prologue): Update gen_call calls.
5771         * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
5772         * i386.md (call_pop): Likewise.
5773         (call): Second operand is VOIDmode.
5774         (call_0): Likewise; Support 64bits.
5775         (call_exp): New expander.
5776         (call_1): Get to the sync.
5777         (call_1_exp): New pattern.
5778         (call_value): Support 64bit.
5779         (call_value_exp): New pattern.
5780         (untyped_call): Update gen_call call.
5781         (call_value_pop): Disable for 64bit.
5782         (call_value_0_rex64): New pattern.
5783         (call_value_1_rex64): Likewise.
5784
5785 2001-04-05  Bo Thorsen  <bo@suse.de>
5786
5787         * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
5788
5789 Thu Apr  5 13:44:17 2001  J"orn Rennecke <amylaar@redhat.com>
5790
5791         * i386.md (*andsi_1+3): If used after reload, make sure the operand
5792         satisfies ANY_QI_REG_P.
5793
5794 2001-04-05  Bernd Schmidt  <bernds@redhat.com>
5795
5796         * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
5797         ASM_OPERAND.
5798
5799         * sched-deps.c (sched_analyze_insn): Revert more of the March 27
5800         change.
5801
5802 2001-04-04  Zack Weinberg  <zackw@stanford.edu>
5803
5804         * config.gcc: Remove default for xm_file.  Clean up local
5805         machine type handling.  Remove settings of xm_file to
5806         something that doesn't exist.  In the big switch, set xm_file,
5807         don't append to it (the value before the big switch is always
5808         null).  Don't force build_xm_file or host_xm_file to have a value.
5809         * configure.in: Remove default for xm_file.  Do not special
5810         case $cpu/xm-$cpu.h not existing.
5811         * configure: Regenerate.
5812
5813 2001-04-04  Diego Novillo  <dnovillo@redhat.com>
5814
5815         * simplify-rtx.c (simplify_binary_operation): Check for overflow
5816         when folding integer division and modulo operations.
5817
5818 2001-04-04  Andrew MacLeod  <amacleod@redhat.com>
5819
5820         * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
5821         instead of DWARF2_ADDR_SIZE for EH addresses.
5822         (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
5823         EH addresses.
5824
5825 2001-04-04  Richard Henderson  <rth@redhat.com>
5826
5827         * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
5828         * config/ia64/t-glibc (LIB2ADDEH): Disable.
5829         * config/ia64/t-ia64 (LIB2ADDEH): Disable.
5830
5831 2001-04-04  Richard Henderson  <rth@redhat.com>
5832
5833         * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
5834         * configure: Rebuilt.
5835
5836 2001-04-04  Jakub Jelinek  <jakub@redhat.com>
5837
5838         * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
5839         push insns to delete to it instead of deleting them.
5840         (delete_null_pointer_checks): Delete insns from delete_list after
5841         all delete_null_pointer_checks_1 passes are done.
5842
5843 2001-04-04  Richard Henderson  <rth@redhat.com>
5844
5845         * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
5846         * configure: Rebuilt.
5847
5848 2001-04-04  Zack Weinberg  <zackw@stanford.edu>
5849
5850         * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
5851         * config/romp/xm-romp.h: Delete.
5852
5853 2001-04-04  Bernd Schmidt  <bernds@redhat.com>
5854
5855         * sched-deps.c (sched_analyze_insn): Partially revert March 27
5856         change.
5857
5858 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5859
5860         * emit-rtl.c (mark_label_nuses) Increment the label uses for
5861         all labels present in rtx.
5862         (try_split) Call new function for all split insns.
5863
5864 2001-04-04  Jakub Jelinek  <jakub@redhat.com>
5865
5866         * recog.c (validate_replace_rtx_1): Instead of aborting just make
5867         sure the change won't be validated.
5868
5869 Wed Apr  4 00:45:38 EDT 2001  John Wehle  (john@feith.com)
5870
5871         * rtl.h (set_noop_p): Declare.
5872         * flow.c (set_noop_p): Move from here ...
5873         * rtlanal.c (set_noop_p): ... to here and enhance.
5874         * cse.c (delete_trivially_dead_insns): Use it.
5875         * gcse.c (hash_scan_set): Likewise.
5876         * jump.c (delete_noop_moves): Likewise.
5877         * recog.c (split_all_insns): Likewise.
5878
5879 2001-04-04  Alan Modra  <alan@linuxcare.com.au>
5880
5881         * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
5882         stack pointer via a LO_SUM.  Ditto for setting a temp register
5883         used to save to the stack.  Set cfa_temp when setting fp, and
5884         allow matches to cfa_temp in addition to cfa_store when saving
5885         regs.  Handle POST_INC and LO_SUM register stores.  Document the
5886         changes and errors in rule 12 doco.
5887
5888         * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
5889         (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
5890         (load_reg): Move closer to epilogue code.
5891         (DO_FRAME_NOTES): Define to control the following..
5892         (FRP): Define to set RTX_FRAME_RELATED_P on insns.
5893         (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
5894         notes as necessary.
5895         (hppa_expand_epilogue): Likewise.
5896
5897 2001-04-03  Richard Henderson  <rth@redhat.com>
5898
5899         * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
5900         * configure: Rebuild.
5901
5902 2001-04-03  Richard Henderson  <rth@redhat.com>
5903
5904         * rtl.h (LCT_THROW): New.
5905         * calls.c (emit_library_call_value_1): Handle it.
5906         * except.c (connect_post_landing_pads): Use it.
5907
5908 2001-04-03  Zack Weinberg  <zackw@stanford.edu>
5909
5910         * gansidecl.h: Delete file.
5911         * configure.in: Change all refs to gansidecl.h to use
5912         ansidecl.h.  Adjust *_file_list so they know where ansidecl.h
5913         lives.
5914         * configure: Regenerate.
5915
5916         * Makefile.in (intl.o): Don't depend on gansidecl.h.
5917         * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
5918         * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
5919         Don't include gansidecl.h.
5920         * intl.c, main.c, version.c, fixinc/fixlib.h,
5921         fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
5922         gansidecl.h.
5923
5924 Tue Apr  3 19:41:21 CEST 2001  Jan Hubicka  <jh@suse.cz>
5925
5926         * i386.c (ix86_force_to_memory, ix86_free_from_memory):
5927         Update for 64bit.
5928
5929 2001-04-03  Zack Weinberg  <zackw@stanford.edu>
5930
5931         * config/i386/xm-beos.h, config/i386/xm-isc.h,
5932         config/i386/xm-next.h, config/i386/xm-sco.h,
5933         config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
5934         config/m88k/xm-m88k.h: Delete.
5935
5936         * config/i386/xm-djgpp.h: Don't define __MSDOS__.
5937         * config/romp/xm-romp.h: Don't define bcopy.
5938         * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
5939         HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
5940
5941         * config.gcc: Remove references to deleted files.
5942
5943         14 xm-host.h remain, 1 xm-cpu.h.
5944
5945 2001-04-03  Jakub Jelinek  <jakub@redhat.com>
5946             David S. Miller  <davem@pierdol.cobaltmicro.com>
5947             Andrew MacLeod  <amacleod@redhat.com>
5948
5949         Use byte offsets in SUBREGs instead of words.
5950
5951         * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
5952         * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
5953         to pass new argument.
5954         (add_stored_regs): Use subreg_regno_offset function.
5955         * calls.c (expand_call): For non-paradoxical SUBREG take endianess
5956         into account.
5957         (precompute_arguments): Use gen_lowpart_SUBREG.
5958         * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
5959         (combine_simplify_rtx): Rework to use SUBREG_BYTE.
5960         (simplify_set): Rework to use SUBREG_BYTE.
5961         (expand_field_assignment): Use SUBREG_BYTE.
5962         (make_extraction): Use SUBREG_BYTE.
5963         (if_then_else_cond): Use SUBREG_BYTE.
5964         (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
5965         (gen_lowpart_for_combine): Compute full byte offset.
5966         * cse.c (mention_regs): Use SUBREG_BYTE.
5967         (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
5968         (canon_hash): Use SUBREG_BYTE.
5969         (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
5970         (gen_lowpart_if_possible): Formatting.
5971         * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
5972         correctly.
5973         * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5974         (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5975         (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5976         * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5977         (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5978         (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5979         * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
5980         certain invariants about SUBREGs the compiler creates.
5981         (gen_lowpart_SUBREG): New function.
5982         (subreg_hard_regno): New function to get the final register number.
5983         (gen_lowpart_common): Use SUBREG_BYTE.
5984         (gen_imagpart): Spacing nits.
5985         (subreg_realpart_p): Use SUBREG_BYTE.
5986         (gen_highpart): Use SUBREG_BYTE.
5987         (subreg_lowpart_p): Always compute endian corrected goal offset,
5988         even at the byte level, then compare against that.
5989         (constant_subword): New function, pulled out all constant cases
5990         from operand_subword and changed second argument name to offset.
5991         (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
5992         and call constant_subword to do the work.  Return const0_rtx if
5993         looking for a word outside of OP.
5994         (operand_subword_force): Change second arg name to offset.
5995         * expmed.c (store_bit_field): Use SUBREG_BYTE.
5996         (store_split_bit_field): Use SUBREG_BYTE.
5997         (extract_bit_field): Use SUBREG_BYTE.
5998         (extract_split_bit_field): Use SUBREG_BYTE.
5999         (expand_shift): Use SUBREG_BYTE.
6000         * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
6001         * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
6002         * flow.c (set_noop_p): Use SUBREG_BYTE.
6003         (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
6004         * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
6005         (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
6006         correction code.
6007         (optimize_bit_field): Use SUBREG_BYTE.
6008         (purge_addressof_1): Use SUBREG_BYTE.
6009         (purge_single_hard_subreg_set): Use subreg_regno_offset function.
6010         (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
6011         actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
6012         * gengenrtl.c (special_rtx): Add SUBREG.
6013         * global.c (mark_reg_store): Use SUBREG_BYTE.
6014         (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
6015         * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
6016         * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
6017         final byte offset is congruent to subreg's mode size.
6018         (subst_constants): Use SUBREG_BYTE.
6019         (mark_stores): Use subreg_regno_offset function.
6020         * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
6021         function and SUBREG_BYTE.
6022         * local-alloc.c (combine_regs): Use subreg_regno_offset function.
6023         (reg_is_born): Use subreg_hard_regno.
6024         * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
6025         endian correction code.  Don't combine subregs unless resulting
6026         offset aligns with type.  Fix subreg constant extraction for DImode.
6027         Simplify SUBREG of VOIDmode CONST_DOUBLE.
6028         (general_operand): Remove dead mode_altering_drug code.
6029         (indirect_operand): Use SUBREG_BYTE.
6030         (constrain_operands): Use subreg_regno_offset function.
6031         * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
6032         * regmove.c (regmove_optimize): Use SUBREG_BYTE.
6033         (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
6034         * regs.h (REG_SIZE): Allow target to override.
6035         (REGMODE_NATURAL_SIZE): New macro which target can override.
6036         * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
6037         on the entire subreg rtx.
6038         (push_reload): Use SUBREG_BYTE in comments and code.
6039         (find_dummy_reload): Use subreg_regno_offset.  Only adjust offsets
6040         for hard registers inside subregs.
6041         (operands_match_p): Use subreg_regno_offset.
6042         (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
6043         containing hard regs.
6044         (find_reload_toplev): Use SUBREG_BYTE.  Remove byte endian
6045         corrections when fixing up MEM subregs.
6046         (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
6047         subreg_regno_offset where appropriate.
6048         (find_reloads_subreg_address): Use SUBREG_BYTE.  Remove
6049         byte endian corrections when fixing up MEM subregs.
6050         (subst_reloads): When combining two subregs, make sure final
6051         offset is congruent to subreg's mode size.
6052         (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
6053         (refers_to_regno_for_reload_p): Use subreg_regno.
6054         (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
6055         * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
6056         correction code for memory subreg fixups.
6057         (forget_old_reload_1): Use subreg_regno_offset.
6058         (choose_reload_regs): Use subreg_regno.
6059         (emit_input_reload_insns): Use SUBREG_BYTE.
6060         (reload_combine_note_store): Use subreg_regno_offset.
6061         (move2add_note_store): Use subreg_regno_offset.
6062         * resource.c (update_live_status, mark_referenced_resources): Use
6063         subreg_regno function.
6064         (mark_set_resources): Use subreg_regno function.
6065         * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
6066         (subreg_regno_offset, subreg_regno): Define prototypes.
6067         (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
6068         (gen_lowpart_SUBREG): Add prototype.
6069         * rtl.texi (subreg): Update to reflect new byte offset representation.
6070         Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
6071         * rtlanal.c (refers_to_regno_p): Use subreg_regno.
6072         (reg_overlap_mentioned_p): Use subreg_regno.
6073         (replace_regs); Make sure final offset of combined subreg is
6074         congruent to size of subreg's mode.
6075         (subreg_regno_offset): New function.
6076         (subreg_regno): New function.
6077         * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
6078         * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
6079         * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
6080         * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
6081         (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
6082         * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
6083         (a29k_get_reloaded_address): Use SUBREG_BYTE.
6084         (print_operand): Use SUBREG_BYTE.
6085         * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
6086         * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
6087         (arm_reload_out_hi): Use SUBREG_BYTE.
6088         * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
6089         instead of SUBREG_WORD.
6090         (d30v_print_operand_memory_reference): Use subreg_regno_offset.
6091         * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
6092         SUBREG creation to use byte offset.
6093         * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
6094         inverted load insns): Fix explicit rtl subregs to use byte
6095         offsets.
6096         * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
6097         udivsi3, umodsi3): Generate SUBREGs with byte offsets.
6098         * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
6099         * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
6100         to use byte offsets.
6101         (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
6102         * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
6103         offsets, also make sure it is congruent to SUBREG's mode size.
6104         (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
6105         unnamed ldob insn): Generate SUBREGs with byte offset.
6106         (zero_extendqihi2): SUBREG's are byte offsets.
6107         * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
6108         (m68hc11_gen_highpart): Use SUBREG_BYTE.
6109         * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
6110         zero-extendqisi2): Generate SUBREGs with byte offset.
6111         (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
6112         subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
6113         subregs in rtl to use byte offsets.
6114         * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
6115         * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
6116         (mips_move_2words): Use subreg_regno_offset.
6117         (mips_secondary_reload_class): Use subreg_regno_offset.
6118         * config/mips/mips.md (DImode plus, minus, move, and logical op
6119         splits): Fixup explicit subregs in rtl to use byte offsets.
6120         * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
6121         * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
6122         * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
6123         rtl to use byte offsets.
6124         * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
6125         * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
6126         subregs to use byte offsets.
6127         * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
6128         Fixup explicit subregs in rtl to use byte offsets.
6129         * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
6130         and remove byte endian correction code.
6131         * config/sh/sh.c (output_movedouble): Use subreg_regno.
6132         (gen_ashift_hi): Use SUBREG_BYTE.
6133         (regs_used): Use subreg_regno_offset.
6134         (machine_dependent_reorg): Use subreg_regno_offset.
6135         * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
6136         * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
6137         (movdf_i4): Subregs are byte offsets now.
6138         * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
6139         * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
6140         (REGMODE_NATURAL_SIZE): Override.
6141         (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
6142         * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
6143         with byte offsets.
6144         (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
6145         extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
6146         extendqidi2): Generate SUBREGs with byte offsets, also make sure
6147         it is congruent to SUBREG's mode size.
6148         (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
6149         offsets.
6150         (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
6151         cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
6152         lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
6153         SUBREG_BYTE offset for non-paradoxical subregs in patterns.
6154         * config/v850/v850.c (print_operand, output_move_double): Use
6155         subreg_regno function.
6156
6157 2001-04-03  Alexandre Oliva  <aoliva@redhat.com>
6158
6159         * configure.in (target_subdir): Use target_alias, not target.
6160         * configure: Rebuilt.
6161
6162         * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
6163         other way round.
6164         * config/sh/crti.asm: Fix typos in comments.
6165
6166 2001-04-03  Alan Modra  <alan@linuxcare.com.au>
6167
6168         * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
6169         TARGET_FAST_INDIRECT_CALLS.
6170         * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
6171         -fPIC.  Don't warn.
6172         (return_addr_rtx): Short circuit export stub matching when
6173         TARGET_NO_SPACE_REGS.
6174         (output_millicode_call): For out of range calls, make -fPIC
6175         take precedence, then TARGET_PORTABLE_RUNTIME, then ble.  Don't
6176         return before delay slot checks when TARGET_PORTABLE_RUNTIME.
6177         * pa.md: Modify length attr calculation of all millicode insns to
6178         match above.
6179
6180 2001-04-02  Geoffrey Keating  <geoffk@redhat.com>
6181
6182         * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
6183         Require at least 2.11 in the version test.  Specifically check
6184         for and reject GAS version 2.10.90.
6185         * configure: regenerate.
6186
6187 2001-04-03  Alan Modra  <alan@linuxcare.com.au>
6188
6189         * pa.c (override_options): Remove PIC profiling warning.
6190         (hp_profile_labelno): Delete.
6191         (hp_profile_label_rtx): Delete.
6192         (hp_profile_label_name): Delete.
6193         (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
6194         (output_function_prologue): Remove profiling code and all tests on
6195         profile_flag.  Move store of PIC_OFFSET_TABLE_REGNUM now that
6196         merge_sp_adjust_with_store can work for PIC and profiling.
6197         (hppa_expand_epilogue): Remove profile_flag test.
6198         (hppa_can_use_return_insn_p): Likewise.
6199         (hppa_init_pic_save): Emit before tail_recursion_reentry, and
6200         cater for PROFILE_HOOK.
6201         (hppa_profile_hook): New function.
6202         * pa.h (FUNCTION_PROFILER): Now does nothing.
6203         (PROFILE_HOOK): Define.
6204         (hppa_profile_hook): Declare.
6205         (PROFILE_BEFORE_PROLOGUE): Delete.
6206         (ASM_OUTPUT_REG_PUSH): Delete.
6207         (ASM_OUTPUT_REG_POP): Delete.
6208         * pa.md (call_profiler): Turn it into a call insn, and don't `use'
6209         r24.  Accept function name operand, and use this and a locally
6210         generated label to calculate pc-rel offset to func start.
6211
6212 2001-04-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6213
6214         * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
6215         ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
6216         $(SYSTEM_H).
6217
6218 2001-04-03  Alan Modra  <alan@linuxcare.com.au>
6219
6220         * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
6221         LO_SUM cases to where they belong.
6222
6223 2001-04-02  Richard Henderson  <rth@redhat.com>
6224
6225         * except.h (lang_eh_type_covers): Mark extern.
6226         (lang_eh_runtime_type): Likewise.
6227
6228 2001-04-02  Zack Weinberg  <zackw@stanford.edu>
6229
6230         * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
6231         gengenrtl.c:  Wrap generated header in multiple-include guard.
6232         Improve error checking.
6233
6234 2001-04-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6235
6236         * configure.in: Don't check for putenv.
6237         * configure: Regenerate.
6238         * gcc.c (putenv): Don't define.
6239         * vax/xm-vms.h: Handle putenv.
6240
6241 2001-04-02  Jakub Jelinek  <jakub@redhat.com>
6242
6243         * ifcvt.c (noce_emit_move_insn): New.
6244         (noce_try_store_flag, noce_try_store_flag_constants,
6245         noce_try_store_flag_inc, noce_try_store_flag_mask,
6246         noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
6247         noce_try_abs): Use it.
6248         (noce_process_if_block): Likewise.
6249         For STRICT_LOW_PART, take mode from its SUBREG.
6250
6251 2001-04-02  Jakub Jelinek  <jakub@redhat.com>
6252
6253         * fold-const.c (fold): Before optimizing unsigned comparison with
6254         0x7fffffffU, make sure arg0 is integral type.
6255
6256 2001-04-02  Joseph S. Myers  <jsm28@cam.ac.uk>
6257
6258         * c-tree.texi: Document representation of wide strings.
6259
6260 2001-04-01  Richard Henderson  <rth@redhat.com>
6261
6262         * except.h (expand_builtin_dwarf_fp_regnum): Declare.
6263
6264 Sun Apr  1 11:49:05 CEST 2001  Jan Hubicka  <jH@suse.cz>
6265
6266         * i386.md: remove obsoleted comments.
6267         (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
6268         (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
6269         fix output template.
6270
6271 2001-03-31  Marek Michalkiewicz  <marekm@linux.org.pl>
6272
6273         * config/avr/libgcc.S (__mulhi3): Optimize previous change.
6274
6275 2001-03-30  Bernd Schmidt  <bernds@redhat.com>
6276
6277         * loop.c (load_mems): When generating a load from a pseudo, update
6278         REGNO_LAST_UID.
6279
6280 Fri Mar 30 17:36:43 CEST 2001  Jan Hubicka  <jh@suse.cz>
6281
6282         * i386.c (ix86_split_long_move): Use change address to compensate
6283         stack pointer change in push instruction.
6284
6285 Fri Mar 30 00:31:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
6286
6287         * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
6288         instead of rtx_equal_p; fix the output template.
6289
6290 Fri Mar 30 00:21:41 CEST 2001  Jan Hubicka  <jh@suse.cz>
6291
6292         * i386.c (ix86_expand_setcc): Support 64bit.
6293         (ix86_expand_int_movcc): Likewise.
6294         * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
6295         New patterns.
6296
6297         * i386.md (allocate_stack_worker): Turn to expander.
6298         (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
6299
6300         * i386.c (print_reg): Do not print x86_64 style regs on IA-32
6301
6302 2001-03-29  Richard Henderson  <rth@redhat.com>
6303
6304         * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
6305
6306 2001-03-28  Matthew Hiller  <hiller@redhat.com>
6307
6308         * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
6309         output template.
6310
6311         * MAINTAINERS: Added self.
6312
6313 2001-03-28  Richard Henderson  <rth@redhat.com>
6314
6315         * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
6316         Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
6317
6318 2001-03-28  Jim Wilson  <wilson@redhat.com>
6319
6320         * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
6321         operand_subword.
6322
6323 2001-03-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6324
6325         * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
6326
6327         * tradcif.y (yyerror): Likewise.  Add format specifier in call to
6328         `error'.
6329
6330         * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
6331
6332 2001-03-28  DJ Delorie  <dj@redhat.com>
6333
6334         * Makefile.in (stage1_build): Revert CFLAGS patch.
6335
6336 2001-03-28  Marek Michalkiewicz  <marekm@linux.org.pl>
6337
6338         * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
6339         when multiplier or multiplicand is zero.
6340
6341 2001-03-28  Bernd Schmidt  <bernds@redhat.com>
6342
6343         * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
6344
6345         * config/ia64/ia64.c (update_set_flags): New function, broken out of
6346         rtx_needs_barrier.
6347         (set_src_needs_barrier): Likewise.
6348         (rtx_needs_barrier): For SET case, use these two functions.  Rework
6349         PARALLEL case to handle all inputs before all outputs.
6350         (emit_insn_group_barriers): Call init_insn_group_barriers only if we
6351         saw a label and no stop bit since then.
6352         (maybe_rotate, process_epilogue): Add prototypes.
6353
6354 2001-03-28  Richard Henderson  <rth@redhat.com>
6355
6356         * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
6357         not TARGET_TOC for special toc restore handling.
6358         * config/rs6000/rs6000.md (eh_return): Likewise.
6359
6360 2001-03-28  Richard Henderson  <rth@redhat.com>
6361
6362         * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
6363         current_function_calls_eh_return.
6364         (output_function_epilogue): Handle eh_return.
6365         * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
6366         (EH_RETURN_DATA_REGNO): New.
6367         (EH_RETURN_STACKADJ_RTX): New.
6368         (EH_RETURN_HANDLER_RTX): New.
6369         * config/sparc/sparc.md (call/short branch peepholes): Check
6370         can_throw_internal instead of in_same_eh_region.
6371
6372         * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
6373         for eh_return data registers.
6374         (rs6000_emit_prologue): Save eh_return data registers.
6375         (rs6000_emit_epilogue): Force inline restores if eh_return.
6376         Restore eh_return data registers.  Mind EH_RETURN_STACKADJ_RTX.
6377         * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
6378         (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
6379         (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
6380         the target uses one.
6381         * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
6382         (return_eh_si, return_eh_di): Remove.
6383         (eh_return): New, from corpse of eh_epilogue.
6384         (eh_set_lr_si, eh_set_lr_di): New.
6385
6386         * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
6387         (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
6388         True for pic register if current_function_calls_eh_return.
6389         (ix86_expand_epilogue): Change "emit_return" argument into "style".
6390         Handle eh_return requirements.
6391         * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
6392         (EH_RETURN_STACKADJ_RTX): New.
6393         * config/i386/i386.md (exception_receiver): Remove.
6394         (eh_return, eh_return_1): New.
6395         * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6396
6397         * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
6398         (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
6399         (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
6400         * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
6401         (EH_RETURN_DATA_REGNO): New.
6402         (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
6403         * config/alpha/alpha.md (eh_epilogue): Remove.
6404         (exception_receiver): Use $26 for ldgp input.
6405         * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6406
6407 2001-03-28  Richard Henderson  <rth@redhat.com>
6408
6409         * except.c: Rewrite entirely for IA-64 ABI exception handling.
6410         * except.h: Likewise.
6411
6412         * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
6413         (LIB2ADDEHDEP): New.
6414         (LIB2FUNCS_EH): Remove.
6415         (LIB2ADD): Remove LIB2ADDEH.
6416         (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
6417         (LIBGCC_DEPS): Use LIB2ADDEHDEP.
6418         (crt{begin,end}[S].o): Likewise.
6419         (except.o): Update includes.
6420         * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
6421         (libgcc2_c_dep): Use LIB2ADDEHDEP.
6422
6423         * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
6424         * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
6425         * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
6426         * builtins.c (expand_builtin): Implement it.
6427         [BUILT_IN_EH_RETURN]: Update for nr arguments change.
6428         * c-common.c (c_common_nodes_and_builtins): Declare it.
6429         * c-decl.c (init_decl_processing): Update __builtin_eh_return.
6430         * calls.c (libfunc_nothrow): Remove.
6431         (emit_library_call_value_1): Don't call it.
6432         * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
6433         * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
6434         (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
6435         * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
6436         (current_funcdef_number): Globalize.
6437         (output_call_frame_info): Emit frame data if an lsda is needed.
6438         Generate augmentation for personality routine.  Don't play with
6439         difference symbols.
6440         (dwarf2out_begin_prologue): Record funcdef_number.
6441         * dwarf2out.h (current_funcdef_number): Declare.
6442         * expr.c (expand_expr): Update for except.h name changes.
6443         Remove POPDCC_EXPR, POPDHC_EXPR.  Add EXC_PTR_EXPR.
6444         * expr.h (LTI_throw, LTI_rethrow): Remove.
6445         (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
6446         (LTI_eh_rtime_match): Remove.
6447         (LTI_unwind_resume, LTI_eh_personality): Add.
6448         (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
6449         * final.c (final): Don't call check_exception_handler_labels,
6450         init_insn_eh_region, or free_insn_eh_region.
6451         (final_scan_insn): Always emit debug labels for
6452         NOTE_INSN_EH_REGION notes.
6453         * flags.h (flag_new_exceptions): Remove.
6454         * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
6455         (record_active_eh_regions): Remove.
6456         (count_basic_blocks): Check all instructions for REG_EH_REGION.
6457         Use can_throw_internal.
6458         (find_basic_blocks_1): Likewise.
6459         (move_stray_eh_region_notes): Remove.
6460         (find_label_refs): No eh_return_stub_label.
6461         (make_edges): Likewise.  No init/free_eh_nesting_info.  Handle RESX.
6462         (make_eh_edge): No eh_nest_info.  Update for reachable_handlers
6463         changes.
6464         (delete_unreachable_blocks): Don't track deleted handlers.
6465         (flow_delete_block): Use maybe_remove_eh_handler.
6466         (delete_eh_regions): Remove.
6467         (merge_blocks): Don't check for eh region match.
6468         (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
6469         EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
6470         (init_propagate_block_info): Disable dead frame store optimization
6471         when current_function_calls_eh_return.
6472         (dump_bb): Don't print eh_beg, eh_end.
6473         * function.c (fixup_var_refs): No catch_clauses.
6474         (expand_function_end): Likewise.  Call expand_eh_return before
6475         the return register use.  Call sjlj_emit_function_exit_after.
6476         (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
6477         * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
6478         * ifcvt.c (dead_or_predicable): Remove eh region check.
6479         * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
6480         Don't check for EH vs parameters.
6481         (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
6482         (expand_inline_function): Call duplicate_eh_regions.
6483         (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
6484         (copy_insn_notes): Remap REG_EH_REGION notes.
6485         (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
6486         * integrate.h (struct inline_remap): Add local_return_label.
6487         * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
6488         check_exception_handler_labels, nor exception_optimize.
6489         (find_cross_jump): No EH region check.
6490         * optabs.c (init_optabs): Update for changed eh libfuncs.
6491         * rtl.def (RESX): New.
6492         * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
6493         * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
6494         checks.  Update for except.h name changes.
6495         (expand_cleanups): Likewise.
6496         (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
6497         * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
6498         (compile_file): Call init_eh before init_optabs.  Don't
6499         output_exception_table here.
6500         (rest_of_compilation): Call convert_from_eh_region_ranges,
6501         convert_to_eh_region_ranges, output_function_exception_table.
6502         Don't emit_eh_context.
6503         * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
6504         (EXC_PTR_EXPR): New.
6505
6506         * md.texi (eh_epilogue): Remove.
6507         (eh_return): Document.
6508         * tm.texi (EH_RETURN_DATA_REGNO): Document.
6509         (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
6510
6511         * eh-common.h: Remove file.
6512         * frame-dwarf2.c, frame.c, frame.h: Remove files.
6513         * libgcc2.c (L_eh): Remove.
6514
6515         * unwind-dw2-fde.c: New file, largely copied from frame.c.
6516         * unwind-dw2-fde.h: New file.
6517         * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
6518         * unwind-sjlj.c, unwind.h, unwind.inc: New files.
6519         * libgcc-std.ver: Update for eh symbols.
6520
6521 2001-03-27  Richard Henderson  <rth@redhat.com>
6522
6523         * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
6524         reduce false positives.
6525         (regmove_optimize): Disable if flag_non_call_exceptions.
6526
6527         * stmt.c (expand_return): Remove always true predicate.
6528         (expand_decl_cleanup_no_eh): Remove dead code.
6529
6530         * sched-deps.c (sched_analyze_insn): Consolidate scheduling
6531         barrier code.  Add a scheduling barrier if a non-call insn
6532         can throw internally.
6533
6534         * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
6535         Auto-inc addresses trap only if their base register does.
6536
6537         * except.c (can_throw_internal): Rename from can_throw.
6538         * except.h, resource.c: Update references.
6539
6540         * integrate.c (copy_insn_list): Use returnjump_p.
6541         (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
6542
6543         * function.h (struct function): Move all boolean valued fields
6544         to single bit fields at the end of the struct.
6545
6546         * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
6547         jump.c, toplev.c:
6548         Rename asynchronous_exceptions to flag_non_call_exceptions.
6549
6550         * gthr-single.h (UNUSED): New.  Distinguish between how C
6551         and C++ mark unused function arguments.  Use throughout.
6552
6553         * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
6554         value to target configuration header.
6555         * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
6556         * config.in, configure: Rebuild.
6557         * except.h (USING_SJLJ_EXCEPTIONS): New.  Define based on
6558         configuration and target defines.
6559         (exceptions_via_longjmp): Remove.
6560         * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
6561         Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
6562
6563         * except.h (flag_non_call_exceptions): Move ...
6564         * flags.h: ... here.
6565
6566         * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
6567         exceptions, put the note on the trapping instruction.
6568
6569         * flags.h (flag_new_exceptions): Remove.
6570         * toplev.c: Don't set it.
6571         * final.c: Don't check it.
6572         * except.c: Provide stub definition.
6573
6574         * flow.c (tidy_fallthru_edges): Don't combine complex edges.
6575         (calculate_global_regs_live): Kill call-clobbered registers
6576         across exception edges.
6577         * reg-stack.c (convert_regs_1): Kill the entire target stack
6578         across non-call exception edges.
6579
6580         * flow.c (cleanup_cfg): Take no argument.
6581         * output.h, sibcall.c, toplev.c: Update all calls.
6582
6583 2001-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6584
6585         * configure.in: Don't check for bcopy.
6586         * configure, config.in: Regenerate.
6587
6588         * system.h: Don't define or prototype bcopy, instead poison it.
6589
6590 2001-03-27  Richard Henderson  <rth@redhat.com>
6591
6592         * function.c (expand_function_start): Set DECL_REGISTER on
6593         a pseudo used for DECL_RESULT.
6594
6595         * rtl.h (LCT_NORETURN): New.
6596         * calls.c (emit_library_call_value_1): Handle it.
6597
6598 2001-03-27  Stan Shebs  <shebs@apple.com>
6599
6600         * objc/objc-act.c (objc_init): Use dump_base_name.
6601         (gen_declaration): Clear the buffer arg.
6602         (gen_declaration_1): New function, body of gen_declaration.
6603         (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
6604         (gen_method_decl): Ditto, plus always clear buffer arg.
6605         (error_with_ivar): Simplify.
6606         (warn_with_method): Ditto.
6607         (build_message_expr): Don't clear buffers.
6608         (dump_interface): Ditto.
6609         (objc_debug): Ditto.
6610         (build_keyword_selector): Clear the buffer by only zeroing
6611         the first element.
6612         (objc_implementation_context): Declare.
6613         (start_class): Warn about missing @end.
6614         (finish_objc): Ditto.
6615
6616 2001-03-28  John David Anglin  <dave@hiauly1.hia.nrc.ca>
6617
6618         * reload1.c (eliminate_regs): Don't abort on MEM USEs.
6619
6620 2001-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6621
6622         * Makefile.in (SYSTEM_H): Define.
6623         Depend on $(SYSTEM_H), not system.h.
6624
6625         * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
6626
6627 2001-03-27  Jim Wilson  <wilson@redhat.com>
6628
6629         * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
6630         IA64_UNWIND_EMIT.
6631         * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
6632         (process_epilogue): New static function.
6633         (process_set): Call process_epilogue instead of emitting .restore
6634         directly.
6635         (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
6636
6637         * flow.c (struct reg_cond_life_info): New fields orig_condition
6638         and stores.
6639         (init_propagate_block_info): Set new fields.
6640         (mark_regno_cond_dead): Set and use new fields.
6641         (flush_reg_cond_reg_1): Likewise.
6642         (and_reg_cond, case AND): Check for redundant AND conditions.
6643         (mark_used_reg): Delete unnecessary clears before freeing splay trees.
6644         Set new fields.
6645
6646 2001-03-27  Neil Booth  <neil@daikokuya.demon.co.uk>
6647
6648         * cppmacro.c (stringify_arg): Null terminate strings.
6649
6650 2001-03-27  Zack Weinberg  <zackw@stanford.edu>
6651
6652         * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
6653         inclusion style.  xm-m68hc11.h no longer exists.
6654         * config/m68hc11/xm-m68hc11.h: Delete file.
6655         * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
6656
6657         * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
6658         Don't define GCC_VERSION, N_, or PARAMS; don't include
6659         gansidecl.h or stdio.h.  Define inhibit_libc here.
6660         Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6661         Delete code conditioned on #if GCC_VERSION == 2095.
6662
6663         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
6664         Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6665         Delete code conditioned on #if GCC_VERSION == 2095.
6666
6667 2001-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6668
6669         * system.h: Include symcat.h.
6670         (STRINGIFY): Don't define.
6671
6672         * configure.in: Adjust comment.
6673
6674         * builtins.c: Use STRINGX, not STRINGIFY.
6675         * gencheck.c: Likewise.
6676         * gengenrtl.c: Likewise.
6677         * protoize.c: Likewise.
6678
6679         * cpplex.c: Don't include symcat.h.
6680         * cpplib.c: Likewise.
6681
6682         * gansidecl.h (HAVE_STRINGIZE): Don't define.
6683
6684 2001-03-27  Alan Modra  <alan@linuxcare.com.au>
6685
6686         * c-typeck.c (digest_init): Fold init expression.
6687
6688 2001-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6689
6690         * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
6691
6692 2001-03-27  Alan Modra  <alan@linuxcare.com.au>
6693
6694         * except.c (eh_regs): Save results of build_pointer_type to a temp
6695         as FUNCTION_VALUE macro may evaluate its args multiple times.
6696
6697 2001-03-26  Mark Mitchell  <mark@codesourcery.com>
6698
6699         * c-common.h (DECL_NUM_STMTS): New macro.
6700         * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
6701         DECL_FRAME_SIZE.
6702         (pushdecl): Likewise.
6703         * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
6704         * integrate.c (expand_inline_function): Don't check
6705         DECL_FRAME_SIZE.
6706         * print-tree.c (print_node): Don't print it.
6707         * toplev.c (rest_of_compilation): Don't try to inline when
6708         flag_no_inline is on.
6709         * tree.h (DECL_FRAME_SIZE): Remove.
6710         (tree_decl): Adjust accordingly.
6711
6712 2001-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6713
6714         * combine.c (try_combine): Use memcpy, not bcopy.
6715
6716         * genattrtab.c (expand_units): Likewise.
6717
6718 Mon Mar 26 15:55:08 CEST 2001  Jan Hubicka  <jh@suse.cz>
6719
6720         * i386.md (push mem DI peep2): New.
6721         (mov 0, mov -1 peep2): Handle 64bit.
6722         (lea to arithmetics peep2): Handle 64bit leas.
6723         (rsp arithmetics to push/pop peep2s): New.
6724
6725         * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
6726
6727 Mon Mar 26 14:35:18 CEST 2001  Jan Hubicka  <jh@suse.cz>
6728
6729         * i386.c (struct machine_function): Add save_varrargs_registers.
6730         (ix86_save_varrargs_registers): New macro.
6731         (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
6732         (ix86_expand_prologue): Likewise.
6733         (ix86_emit_epilogue_esp_adjustement): Likewise.
6734         (ix86_expand_epilogue): Likewise.
6735         * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
6736         (pro_epilogue_adjust_stack_1): New insn.
6737         (pro_epilogue_adjust_stack_rex64): Likewise.
6738         * i386.h (MASK_NO_RED_ZONE): New constant.
6739         (TARGET_RED_ZONE): New macro.
6740         (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
6741         (RED_ZONE_SIZE): New constant.
6742         (RED_ZONE_RESERVE): New constant.
6743
6744 2001-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6745
6746         * toplev.c (set_float_handler): Use memcpy, not bcopy.
6747
6748 2001-03-25  Kazu Hirata  <kazu@hxi.com>
6749
6750         * config/h8300/h8300.md (umodqi3): Output a tab instead of a
6751         space.
6752         (modqi3): Likewise.
6753         (umodhi3): Likewise.
6754         (modhi3): Likewise.
6755
6756 2001-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6757
6758         * mkconfig.sh (DEFINES): Handle entries with '='.
6759
6760         * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
6761         Set xm_defines to MACRO=value instead.
6762
6763         * i370/xm-mvs.h: Delete.
6764
6765         * ns32k/xm-pc532-min.h: Likewise.
6766
6767 Sun Mar 25 15:01:40 CEST 2001  Jan Hubicka  <jh@suse.cz>
6768
6769         * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
6770         shiftdi_operand;
6771         use ix86_expand_binary_operator
6772         (?sh??i_?): Disable for 64bit.
6773         * i386.h (PREDICATE_CODES): Add shiftdi_operand.
6774         * i386.c (shiftdi_operand): New predicate.
6775
6776         * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
6777         ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
6778         ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
6779         ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
6780         ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
6781         lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
6782         lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
6783         rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
6784         rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
6785         rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
6786         (rotldi3, rotrdi3): New expanders.
6787
6788 Sun Mar 25 14:25:33 CEST 2001  Jan Hubicka  <jh@suse.cz>
6789
6790         * i386.md (movstrsi): Move offline.
6791         (movstrdi): New.
6792         (strmovdi_rex64): New.
6793         (strmov?i): Accept 64bit.
6794         (strmov?i_rex64): New.
6795         (strmov?i_rex_1): New.
6796         (strmov?i_1): Disable for 64bit.
6797         (rep_mov?i_rex64): New.
6798         (rep_mov?i): Disable for 64bit.
6799         (clrstrsi): Move offline.
6800         (strset?i_rex64): New.
6801         (strset?i: Accept 64bit.
6802         (rep_stos?i): Disable for 64bit.
6803         (rep_stos?i_rex64): New.
6804         (strset?i_rex_1): New.
6805         (strset?i_1): Disable for 64bit.
6806         (cmpstrsi): Accept 64bit.
6807         (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
6808         (cmpstrqi_nz_rex_1): New.
6809         (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
6810         (strlensi): Move offline.
6811         (strlendi): New.
6812         (strlenqi_1): Disable for 64bit; fix constraints.
6813         (strlenqi_rex_1): New.
6814         * i386.c (ix86_adjust_counter): New static function.
6815         (ix86_zero_extend_to_Pmode): Likewise.
6816         (ix86_expand_aligntest): Likweise.
6817         (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
6818         (ix86_expand_movstr): New global function.
6819         (ix86_expand_clrstr): New global function.
6820         (ix86_expand_strlen): New global function.
6821         * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
6822         ix86_expand_strlen): Declare.
6823         (ix86_expand_strlensi_unroll_1): Delete.
6824
6825 Sat Mar 24 23:15:19 CET 2001  Jan Hubicka  <jh@suse.cz>
6826
6827         * i386.md (cmpdi): Fix operand predicates.
6828         (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
6829          cmpdi_1_insn_rex64): New patterns.
6830         (adddi3): Turn to expander.
6831         (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
6832         (addsi3_carry_zext): New pattern.
6833         (adddi_?_rex64): New patterns and splitters.
6834         (addsi_?_zext): New patterns.
6835         (subsi3_carry_zext): New pattern.
6836         (subdi_?_rex64): New patterns and splitters.
6837         (iorsi_?_zext): New patterns.
6838         (iordi_?_rex64): New patterns and splitters.
6839         (iorsi_?_zext): New patterns.
6840         (iorsi_?_zext_imm): New patterns.
6841         (xorsi_?_zext): New patterns.
6842         (xordi_?_rex64): New patterns and splitters.
6843         (xorsi_?_zext): New patterns.
6844         (negdi*): New patterns.
6845         (one_cmpldi*): Likewise.
6846         (one_cmplsi*_zext, negsi*_zext): Likewise.
6847         (testqi_ext_3_rex64): New pattern.
6848
6849 Sat Mar 24 21:13:28 CET 2001  Jan Hubicka  <jh@suse.cz>
6850
6851         * i386-protos.h (ix86_split_long_move): Return void.
6852         * i386.c (ix86_split_to_parts): Handle 64bit target.
6853         (ix86_split_long_move): Likewise.
6854         * i386.md (all calls to ix86_split_long_move): Update.
6855
6856 2001-03-23  Richard Henderson  <rth@redhat.com>
6857
6858         * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
6859         to avoid shadowing arguments.
6860
6861 2001-03-23  Jakub Jelinek  <jakub@redhat.com>
6862
6863         * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
6864         to variable names where DECL_NAME is different from
6865         DECL_ASSEMBLER_NAME.
6866
6867 2001-03-23  Jim Wilson  <wilson@redhat.com>
6868
6869         * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
6870         (assemble_alias): Call make_decl_rtl.
6871
6872 Fri Mar 23 16:59:08 2001  J"orn Rennecke <amylaar@redhat.com>
6873
6874         * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
6875
6876 2001-03-23  Bryce McKinlay  <bryce@albatross.co.nz>
6877
6878         * extend.texi: Document the "java_interface" attribute.
6879
6880 2001-03-22  Zack Weinberg  <zackw@stanford.edu>
6881
6882         * mkconfig.sh: Use a subshell with redirected stdout,
6883         instead of closing stdout and confusing commands that run
6884         afterward.  Throw away output of cmp.
6885
6886 2001-03-22  Gordon Sadler  <gbsadler1@lcisp.com>
6887
6888         * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
6889
6890 Thu Mar 22 22:15:59 CET 2001  Jan Hubicka  <jh@suse.cz>
6891
6892         * i386.md (zero_extendsidi2_32): Break out from ...
6893         (zero_extendsidi2): ... here ; turn to expander.
6894         (zero_extendsidi2_rex64): New.
6895         (extendsidi2_32): Break out from ...
6896         (extendsidi2): ... here ; turn to expander.
6897         (extendsidi2_rex64): New.
6898         (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
6899         (trunc?f?f splitters): Add 64bit versions.
6900
6901 Thu Mar 22 21:41:16 CET 2001  Jan Hubicka  <jh@suse.cz>
6902
6903         * i386.md (pushsi, pushsi2_prologue): Disable.
6904         (pushsi2_rex64): New.
6905         (movabs?i_1_rex64, movabs?i_2_rex64): New.
6906         (movqi_ext_1): Disable for 64bit.
6907         (movqi_ext_1_rex64): New.
6908         (pushdi2_rex64): New pattern, peep2s and splitter.
6909         (pushdi2_prologue_rex64): New pattern.
6910         (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
6911         Likewise.
6912         (movdi splitters): Disable for 64bit.
6913         (movdi_1_rex64): New pattern, peep2s and splitters.
6914         (swapdi): New pattern.
6915         (pushsf): Disable for 64bit.
6916         (pushsf_rex64): New pattern and splitter.
6917         (pushdf_nointeger): Disable for 64bit.
6918         (pushdf_integer): Handle the 64bit case.
6919         (pushtf): Likewise; update splitters.
6920
6921 2001-03-22  Richard Henderson  <rth@redhat.com>
6922
6923         * mkconfig.sh: Include insn-flags.h.
6924         * Makefile.in (CONFIG_H): Include insn-flags.h.
6925         (lots of objects): Remove insn-codes.h and insn-flags.h.
6926
6927         * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
6928         integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
6929         regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
6930         avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
6931         dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
6932         i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
6933         m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
6934         mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
6935         pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
6936         v850/v850.c, vax/vax.c:
6937         Don't include insn-flags.h.
6938
6939         * diagnostic.c, expr.h, reload.c, toplev.c:
6940         Don't include insn-codes.h.
6941
6942         * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
6943         final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
6944         c4x/c4x.c, i960/i960.c, mips/mips.c:
6945         Don't include insn-codes.h or insn-flags.h.
6946
6947         * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
6948         or insn-flags.h in the generated code.
6949         * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
6950         (main): Forward declare struct rtx_def.
6951
6952 2001-03-22  Joseph S. Myers  <jsm28@cam.ac.uk>
6953
6954         * invoke.texi (-ffast-math): Remove duplicate line about
6955         __FAST_MATH__.
6956
6957         * gcc.texi: Remove more obsolete documentation of bugs and
6958         installation problems.
6959
6960 2001-03-21  Kazu Hirata  <kazu@hxi.com>
6961
6962         * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
6963         into two parts.
6964
6965 2001-03-20  Jason Merrill  <jason@redhat.com>
6966
6967         * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
6968         not '.' or '$'.
6969         * tree.c (FILE_FUNCTION_FORMAT): Likewise.
6970         * varasm.c (CHKR_PREFIX): Likewise.
6971
6972 Wed Mar 21 14:27:11 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6973
6974         * gcse.c (hash_scan_set): An expression is not anticipatible if it
6975         is part of a multi-SET insn.
6976
6977         * cse.c (find_comparison_args): Remove previous change.
6978         * ifcvt.c (noce_process_if_block): When moving an insn, remove any
6979         REG_EQUAL notes.
6980
6981         * config/i386/i386.md (conditional_trap): Remove warning.
6982
6983         * recog.c (push_operand): Fix error in last change that caused
6984         undefined symbol on many targets.
6985
6986         * sdbout.c: #include ggc.h.
6987         (sdbout_init): Move to end of file.
6988         Call ggc_add_tree_root for anonymous_types.
6989         (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
6990         (sdbout_one_type): Use DECL_NAME for field name.
6991         * Makefile.in (sdbout.o): Show includes ggc.h.
6992
6993 Wed Mar 21 20:33:26 CET 2001  Jan Hubicka  <jh@suse.cz>
6994
6995         * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
6996         (override_options): Use properlimits for preferred_stack_boundary.
6997         (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
6998         on x86_64.
6999         (ext_register_operand): Accept DImode.
7000         (load_pic_register): Abort on 64bit.
7001         (gen_push): Use Pmode instead of SImode.
7002         (ix86_save_reg): Pic reg is never used on 64bit.
7003         (ix86_expand_prologue): Likewise.
7004         (ix86_emit_save_regs): Use Pmode instead of SImode.
7005         (legitimate_address_p): Check displacement for 64bit.
7006         (print_operand): Avoid outputting of (%rip) on 64bit.
7007         (print_operand_address): Output (%rip) where possible.
7008         (split_di): Abort on 64bit registers.
7009         (ix86_expand_branch): DImode comparison is simple for x86_64.
7010         (memory_address_length): Recognize memory addresses formed using
7011         PRE/POST modify.
7012         (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
7013         for x86_64.
7014         * i386.h (TARGET_USE_SAHF): Disable for 64bit.
7015
7016 Wed Mar 21 18:51:19 CET 2001  Jan Hubicka  <jh@suse.cz>
7017
7018         * recog.c (push_operand): Recognize new format of push instructions.
7019
7020 Wed Mar 21 10:53:57 CET 2001  Jan Hubicka  <jh@suse.cz>
7021
7022         * i386.md (pushqi1): New.
7023         * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
7024         x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
7025         x86_64_immediate_operand, x86_64_immediate_operand,
7026         x86_64_zext_immediate_operand): Declare.
7027         * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
7028         x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
7029         x86_64_immediate_operand, x86_64_immediate_operand,
7030         x86_64_zext_immediate_operand): define.
7031         * i386.h (PREDICATE_CODES): Add new predicates.
7032
7033 Wed Mar 21 10:25:13 CET 2001  Jan Hubicka  <jh@suse.cz>
7034
7035         * i386.md (pophi1, popqi1, pushqi1): Remove.
7036
7037         * expr.c (emit_single_push_insn): New function.
7038         (move_by_pieces): Accept NULL as destination for push instructions.
7039         (gen_push_operand): Kill.
7040         (emit_push_insn): Pass NULL when pushing; avoid updating of
7041         stack_pointer_delta.
7042         * expr.h (gen_push_operand): Kill.
7043
7044 Tue Mar 20 20:15:06 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7045
7046         * rtl.texi (COMPARE): Clarify documentation and reference section
7047         on comparisons.
7048
7049 2001-03-20  Stan Shebs  <shebs@apple.com>
7050
7051         * objc/objc-act.c (get_static_reference): Use NULL_TREE.
7052         (get_object_reference): Ditto.
7053         (error_with_ivar): Use error_with_file_and_line.
7054         (warn_with_method): Use warning_with_file_and_line.
7055
7056 2001-03-20  Tom Tromey  <tromey@redhat.com>
7057
7058         * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
7059
7060 2001-03-20  Mark Mitchell  <mark@codesourcery.com>
7061
7062         * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
7063         variables that are TREE_PUBLIC, even if not TREE_STATIC.
7064
7065 2001-03-20  DJ Delorie  <dj@redhat.com>
7066
7067         * Makefile.in (install-libgcc): Pass complete list of variables.
7068         (install-multilib): Ditto.
7069
7070 2001-03-20  David Billinghurst  <David.Billinghurst@riotinto.com>
7071
7072         * config/i386/cygwin.h: Declare ctor_section, dtor_section
7073         drectve_section, switch_to_section.
7074
7075         * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
7076         i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
7077         i386_pe_mark_dllimport.
7078
7079 2001-03-20  David Billinghurst <David.Billinghurst@riotinto.com>
7080
7081         * config/i386/cygwin.h: Include <stdio.h> Declare and constify
7082         functions i386_pe_*.
7083
7084         * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
7085         i386_pe_* functions with char * arguments.
7086
7087 2001-03-20  Alexandre Oliva  <aoliva@redhat.com>
7088
7089         * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
7090         and store.
7091         (movsi_ie): Introduce fpul store.
7092
7093 2001-03-20  Alan Modra  <alan@linuxcare.com.au>
7094
7095         * Makefile.in (OBJS): Remove hashtab.o.
7096
7097 2001-03-19  Stan Shebs  <shebs@apple.com>
7098
7099         * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
7100         * c-lang.c (maybe_objc_method_name): Ditto.
7101         * c-tree.h (maybe_objc_method_name): Remove decl.
7102
7103 2001-03-19  Tom Tromey  <tromey@redhat.com>
7104
7105         * gcc.c (init_gcc_specs): Fix comment.
7106
7107 2001-03-19  Mark Mitchell  <mark@codesourcery.com>
7108
7109         Compute DECL_ASSEMBLER_NAME lazily.
7110         * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
7111         (DECL_ASSEMBLER_NAME_SET_P): New macro.
7112         (SET_DECL_ASSEMBLER_NAME): Likewise.
7113         (COPY_DECL_ASSEMBLER_NAME): Likewise.
7114         (set_decl_assembler_name): Declare.
7115         (lang_set_decl_assembler_name): Likewise.
7116         * tree.c (lang_set_decl_assembler_name): New variab.e
7117         (set_decl_assembler_name): New function.
7118         (init_obstacks): Set lang_set_decl_assembler_name.
7119         (build_decl): Don't set DECL_ASSEMBLER_NAME.
7120         * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
7121         COPY_DECL_ASSEMBLER_NAME, etc.  Don't set DECL_ASSEMBLER_NAME
7122         where it's not necessary.
7123         (builtin_function): Likewise.
7124         (finish_decl): Likewise.
7125         * dbxout.c (dbxout_type_methods): Likewise.
7126         * ggc-common.c (ggc_mark_trees): Likewise.
7127         * profile.c (output_func_start_profiler): Likewise.
7128         * varasm.c (make_decl_rtl): Likewise.
7129
7130         * cse.c (find_comparison_args): Update documentation.  Fix
7131         mishandling of COMPARE operations.
7132
7133         * tree.def (ABS_EXPR): Add documentation.
7134         * fold-const.c (fold): Improve folding of ABS_EXPRs.
7135
7136 2001-03-19  Zack Weinberg  <zackw@stanford.edu>
7137
7138         * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
7139
7140 2001-03-19  Jakub Jelinek  <jakub@redhat.com>
7141
7142         * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
7143         Remove ia32 linux PIC kludge and move it...
7144         * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
7145
7146 Mon Mar 19 18:53:54 CET 2001  Jan Hubicka  <jh@suse.cz>
7147
7148         * i386.md (absdf2 expander): Fix 64bit case.
7149
7150 2001-03-19  Brad Lucier  <lucier@math.purdue.edu>
7151
7152         * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
7153
7154 2001-03-16  Andrew Haley  <aph@cambridge.redhat.com>
7155
7156         * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
7157
7158 2001-03-19  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
7159
7160         * README.X11: Remove obsolete file.
7161
7162 2001-03-18  Anthony Green  <green@redhat.com>
7163
7164         * config/pj/pj.h: Remove some trailing commas.
7165         (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
7166
7167 2001-03-18  Richard Henderson  <rth@redhat.com>
7168
7169         * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
7170         * calls.c: ... here.
7171         * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
7172         defaults for them here.
7173
7174 2001-03-17  Anthony Green  <green@redhat.com>
7175
7176         * config/pj/lib1funcs.S: Fix broken comment.
7177         * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
7178         labels with '.'.
7179
7180 2001-03-18  Joseph S. Myers  <jsm28@cam.ac.uk>
7181
7182         * gcc.texi: Remove obsolete information relating to build and
7183         installation problems with enquire or the Pyramid C compiler.
7184
7185 2001-03-17  Richard Henderson  <rth@redhat.com>
7186
7187         * dwarf2out.c (queue_reg_save): New.
7188         (flush_queued_reg_saves, clobbers_queued_reg_save): New.
7189         (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
7190         dwarf2out_reg_save.
7191         (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
7192         (cfa, cfa_store, cfa_temp): Make static.
7193         * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
7194
7195 2001-03-17  Richard Henderson  <rth@redhat.com>
7196
7197         * integrate.h (struct inline_remap): Add local_return_label.
7198         * integrate.c (expand_inline_function): Initialize it and emit
7199         it after copy_insn_notes.
7200         (copy_insn_list): Don't store local_return_label here.
7201         (copy_insn_notes): New function split out from copy_insn_list.
7202
7203 2001-03-17  Richard Henderson  <rth@redhat.com>
7204
7205         * dwarf2out.c (lookup_filename): Emit .file if the assembler
7206         is generating .debug_line.
7207         (dwarf2out_init): Add main_input_filename to the file table first.
7208         * configure.in (as_dwarf2_debug_line): Test with file number 1
7209         instead of file number 0.
7210
7211 Sat Mar 17 11:52:34 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7212
7213         * combine.c (undobuf): Remove field previous_undos; all refs deleted.
7214         (gen_rtx_combine): Deleted; all references changed as appropriate.
7215         (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
7216
7217         * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
7218
7219 2001-03-17  David Billinghurst  <David.Billinghurst@riotinto.com>
7220
7221         * config/i386/xm-cygwin.h: Include <sys/cygwin.h.  Remove unused
7222         variable.
7223
7224 2001-03-16  Jim Wilson  <wilson@redhat.com>
7225
7226         * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
7227         then set it to LOC_REG (79) instead of aborting.
7228
7229 2001-03-16  Phil Edwards  <pme@sources.redhat.com>
7230
7231         * gccbug.in:  Remove high priority.
7232
7233 2001-03-16  Richard Henerson  <rth@redhat.com>
7234
7235         * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
7236         output with a space instead of deleting it.
7237         * configure: Regenerate.
7238
7239 2001-03-16  Zack Weinberg  <zackw@stanford.edu>
7240
7241         * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
7242         handles the gory details of converting an object file into
7243         something that's safe to grep.
7244         (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
7245         gcc_AC_C_COMPILE_ENDIAN.  Use gcc_AC_EXAMINE_OBJECT.  Put
7246         newlines at either end of the string we're looking for.
7247         Make 'checking ...' message less stilted.
7248         (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT.  Handle
7249         ARM in-memory layout and its hypothetical converse.  Don't
7250         define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
7251         HOST_WORDS_BIG_ENDIAN.
7252
7253         * configure.in: Adjust for renamed macro.  Move
7254         gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
7255         * configure, config.in: Regenerate.
7256
7257 2001-03-16  Laurynas Biveinis  <lauras@softhome.net>
7258
7259         * fixinc/Makefile.in: Set SHELL.
7260
7261 2001-03-16  Laurynas Biveinis  <lauras@softhome.net>
7262
7263         * fixinc/fixincl.c (fix_with_system): Quote file names before
7264         passing them to shell.
7265
7266 2001-03-16  Laurynas Biveinis  <lauras@softhome.net>
7267
7268         * Makefile.in: Use fix-header$(build_exeext) instead
7269         of fix-header.
7270
7271 2001-03-16  Richard Henderson  <rth@redhat.com>
7272
7273         * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
7274         (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
7275         (size_of_line_prolog): Remove.
7276         (output_line_info): Compute prologue size via label difference.
7277         (lookup_filename): Return "unspecified" for <internal> and <built-in>.
7278
7279         * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
7280         assembler error when redefining file numbers.
7281         * config.in, configure: Rebuild.
7282
7283         * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
7284         (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
7285         (dw2_asm_output_delta_uleb128): Likewise.
7286         (dw2_asm_output_delta_sleb128): Similarly.
7287         (dw2_asm_output_data_sleb128): Similarly.  Print number in decimal.
7288
7289 2001-03-16  Michael Meissner  <meissner@redhat.com>
7290
7291         * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
7292         warnings.
7293         (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
7294         warnings.
7295         (BITMASK_LOWER16): Replacement for 0x0000ffff.
7296
7297         * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
7298         instead of 0xffff0000/0x0000ffff to avoid warnings about constants
7299         being unsigned in ISO C and signed in traditional.
7300         (expand_prologue): Ditto.
7301         (RA_MASK): Use BITMASK_HIGH to avoid warnings.
7302
7303         * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
7304         warnings.
7305         (divsi3,divdi3): Ditto.
7306         (modsi3,moddi3): Ditto.
7307         (fix_truncdfsi2,fix_truncdfdi2): Ditto.
7308         (fix_truncsfsi2,fix_truncsfdi2): Ditto.
7309         (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
7310         warnings.
7311
7312 Fri Mar 16 14:47:57 CET 2001  Jan Hubicka  <jh@suse.cz>
7313
7314         * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
7315         SSE based conditional moves on LTGT/UNEQ conditions;
7316         Canonicalize EQ to NE.
7317         * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
7318         (sse_mov?fcc_ne): New.
7319
7320         * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
7321
7322 2001-03-16  Alexandre Oliva  <aoliva@redhat.com>
7323
7324         * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
7325         register may be dead.
7326
7327 2001-03-16  Brad Lucier  <lucier@math.purdue.edu>
7328
7329         * Makefile.in (hash.o): Depend on CONFIG_H.
7330
7331 2001-03-15  Mark Mitchell  <mark@codesourcery.com>
7332
7333         * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
7334
7335 2001-03-15  Richard Henderson  <rth@redhat.com>
7336
7337         * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
7338         (ASM_OUTPUT_DWARF_PCREL): New.
7339         * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
7340
7341 2001-03-16  Alexandre Oliva  <aoliva@redhat.com>
7342
7343         * cppfiles.c (stack_include_file): Use MAX of sysp.
7344
7345 2001-03-15  Steve Ellcey  <sje@cup.hp.com>
7346
7347         * config.gcc (ia64*-*-hpux*): New case.
7348         * config/ia64/hpux.h: New file for HP-UX support.
7349         * config/ia64/t-hpux: New file for HP-UX support.
7350
7351 2001-03-16  Bruce Korb  <bkorb@gnu.org>, Alexandre Oliva  <aoliva@redhat.com>
7352
7353         * fixinc/inclhack.def (irix_stdio_va_list): New.
7354         * fixinc/fixincl.x: Rebuilt.
7355
7356 2001-03-15  Richard Henderson  <rth@redhat.com>
7357
7358         * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
7359         if provided by the target.
7360         (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
7361         (dw2_asm_output_addr): New.
7362         * dwarf2asm.h (dw2_asm_output_addr): Declare.
7363         * dwarf2out.c (output_cfi): Use it for program addresses.
7364         (output_call_frame_info, output_die): Likewise.
7365         (output_aranges, output_line_info): Likewise.
7366
7367 2001-03-15  Bruce Korb  <bkorb@gnu.org>
7368
7369         * gcc.c(main): make more rigorous
7370         * collect2.c(main): guard against ignoring SIGCHLD
7371         * protoize.c(main): ditto
7372         * gcc/fixinc/fixincl.c(initialize): ditto
7373
7374 2001-03-15  Mark Mitchell  <mark@codesourcery.com>
7375
7376         * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
7377         (sdbout_parms): Likewise.
7378
7379 Thu Mar 15 12:57:14 2001  Jeffrey A Law  (law@cygnus.com)
7380
7381         * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
7382         "widen" a destination that is already wider than a word.  Also do
7383         not widen if LOAD_EXTEND_OP is NIL for the given mode.
7384
7385 2001-03-15  Bernd Schmidt  <bernds@redhat.com>
7386
7387         * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
7388
7389 Thu Mar 15 11:30:31 EST 2001  John Wehle  (john@feith.com)
7390
7391         * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
7392
7393 Thu Mar 15 11:24:29 EST 2001  John Wehle  (john@feith.com)
7394
7395         * i960.h (i960_maxbitalignment,
7396         i960_last_maxbitalignment): Declare.
7397         * i960.c (i960_maxbitalignment,
7398         i960_last_maxbitalignment): Make global.
7399         (process_pragma): Delete.
7400         (i960_pr_align, i960_pr_noalign): Move from here ...
7401         * i960-c.c: ... to this new file.
7402         * t-960bare (i960-c.o): New rule.
7403         * t-vxworks960 (i960-c.o): Likewise.
7404         * config.gcc (i960-*-*): Define c_target_objs and
7405         cxx_target_objs.
7406
7407 2001-03-15  Bernd Schmidt  <bernds@redhat.com>
7408
7409         * cselib.c (hash_rtx): For REG and MEM, just use value of expression
7410         without adding in rtx code and mode.
7411
7412         * alias.c (init_alias_analysis): Don't use any rtx whose value
7413         varies as a known value.
7414         Delete a superfluous test.
7415
7416         * config/ia64/ia64.c (maybe_rotate): New function, broken out of
7417         ia64_sched_reorder.
7418         (ia64_sched_reorder): Call maybe_rotate; also rotate after
7419         scheduling a stop bit.
7420         (ia64_emit_nops): Correctly handle ASMs.
7421
7422 2001-03-15  Mark Mitchell  <mark@codesourcery.com>
7423
7424         * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
7425
7426 2001-03-15  Neil Booth  <neil@daikokuya.demon.co.uk>
7427
7428         * cpp.texi: Update documentation for -include and -imacros.
7429         * cppfiles.c (struct include_file): Remove "defined" memeber.
7430         (find_or_create_entry): Make a copy of the file name, and
7431         simplify it.
7432         (open_file): Update to ensure we use the simplified filename.
7433         (stack_include_file): Don't set search_from.
7434         (cpp_included): Don't simplify the path name here.
7435         (find_include_file): New prototype.  Call search_from to
7436         get the start of the "" include chain.  Don't simplify the
7437         filenames here.
7438         (_cpp_execute_include): New prototype.  Move diagnostics to
7439         do_include_common.  Update.
7440         (_cpp_pop_file_buffer): Don't set defined.
7441         (search_from): New prototype.  Use the preprocessor's cwd
7442         for files included from the command line.
7443         (read_name_map): Don't simplify the pathname here.
7444         * cpphash.h (enum include_type): New.
7445         (struct buffer): Delete search from.  New search_cached.
7446         (_cpp_execute_include): Update prototype.
7447         * cppinit.c (do_includes): Use _cpp_execute_include.
7448         * cpplib.c (do_include_common): New function.
7449         (do_include, do_include_next, do_import): Use it.
7450
7451 2001-03-14  Mark Mitchell  <mark@codesourcery.com>
7452
7453         * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
7454         contents of the RTL, to determine the name of the object.
7455
7456 2001-03-14  Mark Mitchell  <mark@codesourcery.com>
7457
7458         * tree.h (DECL_RTL): Allocate RTL lazily.
7459         (SET_DECL_RTL): New macro.
7460         (DECL_RTL_SET_P): Likewise.
7461         (COPY_DECL_RTL): Likewise.
7462         (DECL_RTL_IF_SET): Likewise.
7463         * varasm.c (make_decl_rtl): Add assertions about the kind of
7464         declaration we are processing.
7465         * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
7466         (start_decl): Likewise.
7467         (finish_decl): Likewise.
7468         * c-semantics.c (emit_local_var): Likewise.
7469         * calls.c (expand_call): Likewise.
7470         * dbxout.c (dbxout_symbol): Likewise.
7471         * emit-rtl.c (unshare_all_rtl): Likewise.
7472         (unshare_all_decls): Likewise.
7473         (reset_used_decls): Likewise.
7474         * expr.c (store_constructor): Likewise.
7475         (safe_from_p): Likewise.
7476         (expand_expr): Likewise.
7477         * function.c (put_var_into_stack): Likewise.
7478         (instantiate_decls_1): Likewise.
7479         (assign_parms): Likewise.
7480         (expand_function_start): Likewise.
7481         (expand_function_end): Likewise.
7482         * ggc-common.c (gcc_mark_trees): Likewise.
7483         * integrate.c (function_cannot_inline_p): Likewise.
7484         (copy_decl_for_inlining): Likewise.
7485         (expand_inline_function): Likewise.
7486         (integrate_parm_decls): Likewise.
7487         (integrate_decl_tree): Likewise.
7488         * print-tree.c (print_node): Likewise.
7489         * reg-stack.c (stack_result): Likewise.
7490         * stmt.c (label_rtx): Likewise.
7491         (expand_return): Likewise.
7492         (expand_decl): Likewise.
7493         (expand_decl_cleanup): Likewise.
7494         (expand_anon_union_decl): Likewise.
7495         * toplev.c (check_global_declarations): Likewise.
7496         (rest_of_decl_compilation): Likewise.
7497         * tree.c (simple_cst_equal): Likewise.
7498         * objc/objc-act.c (generate_static_references): Likewise.
7499
7500 2001-03-14  Zack Weinberg  <zackw@stanford.edu>
7501
7502         * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
7503         gcc_AC_C_FLOAT_FORMAT): New macros.
7504         * configure.in: Add AC_PROG_CPP after CC tests;
7505         gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
7506         tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
7507         * configure, config.in: Regenerate.
7508
7509         * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
7510         config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7511         config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7512         config/i370/xm-linux.h, config/i370/xm-oe.h,
7513         config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7514         config/m68k/xm-m68k.h, config/mips/xm-mips.h,
7515         config/pa/xm-linux.h, config/pa/xm-pa.h,
7516         config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
7517         config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
7518         config/sparc/xm-sparc.h, config/vax/xm-vax.h,
7519         config/we32k/xm-we32k.h: Delete.
7520
7521         * config/i370/xm-mvs.h, config/m88k/m88k.h,
7522         config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7523         config/vax/xm-vms.h: Don't define any of:
7524         HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
7525
7526         * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
7527
7528         * config.gcc: Remove references to deleted files.
7529         (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
7530         FATAL_EXIT_CODE, which is the same between oe and mvs).
7531
7532 2001-03-14  DJ Delorie  <dj@redhat.com>
7533             Vladimir Makarov  <vmakarov@redhat.com>
7534
7535         * config/i960/i960.c (i960_function_prologue): Compute size of
7536         frame according to number of registers actually saved there.
7537
7538 2001-03-14  Richard Henderson  <rth@redhat.com>
7539
7540         * expr.c (emit_move_insn_1): Fix else if around #endif.
7541
7542 Wed Mar 14 22:39:12 CET 2001  Jan Hubicka  <jh@suse.cz>
7543                               Vojtech Pavlik
7544
7545         * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
7546         constraints.
7547
7548 Wed Mar 14 22:26:10 CET 2001  Jan Hubicka  <jh@suse.cz>
7549
7550         * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
7551         (override_options): Parse cmodel string.
7552         (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
7553         * i386.h (TARGET_OPTIONS): Add "cmodel".
7554         (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
7555         (enum cmodel): New.
7556         (ix86_cmodel_string, ix86_cmodel): Declare.
7557
7558 Wed Mar 14 22:26:54 CET 2001  Jan Hubicka  <jh@suse.cz>
7559
7560         Spot by Matt Kraai:
7561         * i386.h (GENERAL_REG_P): Add missing REG_P.
7562
7563 2001-03-14  Laurynas Biveinis  <lauras@softhome.net>
7564
7565         * configure.in: Use $gcc_cv_as instead of $as.
7566         * configure: Regenerated.
7567
7568 2001-03-14  Neil Booth  <neil@daikokuya.demon.co.uk>
7569
7570         * cppfiles.c (stack_include_file): Only increase the include
7571         count if we actually process the file properly, as opposed
7572         to treating it as length zero.  Only call read_include_file
7573         if not DO_NOT_REREAD.  Handle the -H include file output
7574         here.
7575         (read_include_file): Remove now redundant DO_NOT_REREAD check.
7576         (cpp_included, find_include_file): Simplify pathnames after
7577         remapping them.  If remapping, don't use the remapped file
7578         name's buffer as our scratch buffer.
7579         (cpp_pop_file_buffer): Replace the multiple include macro
7580         only if it isn't yet set.
7581         (read_name_map): Simplify remapped names when reading in.
7582         (remap_filename): Move code to code path that uses it.
7583         (_cpp_simplify_pathname): Return the input pointer.
7584         * cpphash.h (_cpp_simplify_pathname): Update prototype.
7585
7586 2001-03-14  Mark Mitchell  <mark@codesourcery.com>
7587
7588         * expr.c (expand_expr): Revove bogus conditional.
7589
7590 Wed Mar 14 19:29:50 CET 2001  Jan Hubicka  <jh@suse.cz>
7591
7592         * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
7593
7594 2001-03-14  Jakub Jelinek  <jakub@redhat.com>
7595
7596         * reg-stack.c (stack_result): Unconditionally use
7597         FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
7598
7599 Wed Mar 14 16:36:25 CET 2001  Jan Hubicka  <jh@suse.cz>
7600
7601         * expr.c (emit_move_insn_1):  Split push of complex value when
7602         no suitable push instruction exist.
7603
7604         * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
7605         instead of QI_REG_P.
7606
7607 Tue Mar 13 22:22:04 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7608
7609         * alias.c (handled_component_p, can_address_p): New functions.
7610         (get_alias_set): Use them.
7611
7612 2001-03-13  Jim Wilson  <wilson@redhat.com>
7613
7614         * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
7615         from 80 in try_locals code.
7616         (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
7617
7618 2001-03-13  Zack Weinberg  <zackw@stanford.edu>
7619
7620         * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
7621         gcc_AC_C_LONG_LONG): New.
7622         * configure.in: Use them.  Probe the size of short, int, long,
7623         and long long/__int64 if we have them.  Move all the AC_C_*
7624         checks together, except gcc_AC_C_CHAR_BIT which has to go
7625         after AC_CHECK_HEADERS(limits.h).
7626         Take hwint.h out of host_xm_file and build_xm_file.
7627
7628         * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
7629         HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
7630         and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
7631         Move the HOST_WIDEST_INT setup logic here from system.h.
7632         Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
7633         defined.
7634         * system.h: Include hwint.h after limits.h.  HOST_WIDEST_INT
7635         is now handled by hwint.h.
7636
7637         * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
7638         config/c4x/xm-c4x.h, config/i370/xm-oe.h,
7639         config/ia64/xm-ia64.h: Don't define any of:
7640         HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
7641         HOST_BITS_PER_LONGLONG.
7642
7643         * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
7644         config/h8300/xm-h8300.h, config/mips/iris6.h,
7645         config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
7646         config/sparc/xm-sp64.h: Delete.
7647         * config.gcc: Remove references to deleted files.
7648
7649         * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
7650         HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
7651         * config/i370/xm-linux.h: Clarify floating-point situation in
7652         a comment.
7653
7654 2001-03-13  Neil Booth  <neil@daikokuya.demon.co.uk>
7655
7656         * cppfiles.c (NO_INCLUDE_PATH): New macro.
7657         (find_include_file): Decide here which part of the include
7658         chain to start the search.  Complain about an empty include
7659         chain in all cases apart from an abolsute file name.
7660         (_cpp_execute_include): Don't choose the search chain here.
7661         Don't call handle_missing_include in the case of an empty
7662         include chain.
7663         (_cpp_compare_file_date): Don't choose the search chain here.
7664         * cpplib.c (do_include_next): Move the in-main-file diagnostic
7665         here from _cpp_execute_include.  Behave like #include if
7666         we're in the main file.
7667
7668 2001-03-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7669
7670         * system.h (malloc, realloc, calloc, strdup): Only poison these
7671         tokens when IN_GCC is defined.
7672
7673 Tue Mar 13 14:38:44 CET 2001  Jan Hubicka  <jh@suse.cz>
7674
7675         * i386.md (abs?f expander): Support SSE case.
7676         (abd?f_if): Add new "USE"; add splitters.
7677
7678 2001-03-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7679
7680         * cpp.texi (poison): Explain the macro expansion exception.
7681
7682 2001-03-13  Jakub Jelinek  <jakub@redhat.com>
7683
7684         * expr.c (store_expr): Add dont_store_target.  If temp is already in
7685         target before copying to reg, don't store it into target again.
7686
7687 2001-03-12  Neil Booth  <neil@daikokuya.demon.co.uk>
7688
7689         * cppinternals.texi: Update for file handling.
7690
7691 2001-03-12  Jeffrey Oldham  <oldham@codesourcery.com>
7692
7693         * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
7694         2001-02-24 which broke building the Java library.
7695         * function.c (identify_blocks): Likewise.
7696         (all_blocks): Likewise.
7697         * integrate.c (integrate_decl_tree): Likewise.
7698         * print-tree.c (print_node): Likewise.
7699         * tree.h (BLOCK_NUMBER): Likewise.
7700         (struct tree_block): Likewise.
7701
7702 2001-03-12  David Edelsohn  <edelsohn@gnu.org>
7703
7704         * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
7705         __WCHAR_TYPE__ definition.
7706         (WCHAR_TYPE_SIZE): #undef before #define.
7707
7708 2001-03-12  Neil Booth  <neil@daikokuya.demon.co.uk>
7709
7710         * cppfiles.c: Update comments.
7711         (destroy_include_file_node): Rename destroy_node.
7712         (find_or_create_entry): New function.
7713         (open_file, _cpp_fake_include): Use it.
7714         (handle_missing_header): New function, broken out of
7715         _cpp_execute include.  Don't segfault if there is no
7716         system or quoted path.
7717         (_cpp_execute_include): Use handle_missing_header.
7718
7719 2001-03-12  Jeffrey Oldham  <oldham@codesourcery.com>
7720
7721         * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
7722         2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
7723
7724 Mon Mar 12 14:05:32 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7725
7726         * flow.c (insn_dead_p): Don't consider two memrefs equivalent
7727         unless anti_dependence says they are.
7728         * alias.c (objects_must_conflict): If neither has a type specified,
7729         they must conflict.
7730
7731 2001-03-12  Neil Booth  <neil@daikokuya.demon.co.uk>
7732             David Billinghurst <David.Billinghurst@riotinto.com>
7733
7734         * config/mips/iris5.h:  Change WCHAR_TYPE to int.
7735
7736 Mon Mar 12 16:32:21 CET 2001  Jan Hubicka  <jh@suse.cz>
7737
7738         * i386.md (trunctfdf2_2): Rename missnamed pattern.
7739         (*_one_bit): Remove type on the match_operand in attributes.
7740
7741 Mon Mar 12 16:27:56 CET 2001  Jan Hubicka  <jh@suse.cz>
7742
7743         * i386.c: Commit forgotten hunk in previous patch.
7744         (regclass_map): Add extended registers.
7745         (dbx_register_map): Add missing frame register.
7746
7747 Mon Mar 12 15:41:08 CET 2001  Jan Hubicka  <jh@suse.cz>
7748
7749         * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
7750
7751         * i386.md (x86_sahf_1): Disable for 64bit.
7752         (popsi*, pophi*): Likewise.
7753         (pushqi, pushhi): Likewise.
7754         (movdi, pushdi): Likewise.
7755         (zero extend DImode splitter): Likewise.
7756         (adddi, minusdi splitter): Likewise.
7757         (umulsidi): Likewise.
7758         (umulsi): New.
7759         (mulsidi): Disable for 64bit
7760         (lshift:DI/ashift:DI): Disable for 64bit.
7761         (loop patterns): Likewise.
7762         (call_pop, call_value_pop expanders and patterns): Likewise.
7763         (prologue_get_pc): Likewise.
7764         (leave): Likewise.
7765         (fcmovDI pattern and splitter): Likewise.
7766         (movdfcc_1_rex64): New.
7767
7768 Mon Mar 12 15:16:36 CET 2001  Jan Hubicka  <jh@suse.cz>
7769
7770         * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
7771         (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
7772         (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
7773         (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
7774         (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
7775         (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
7776         (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
7777         (PUSH_ROUNDING): x86_64 rounds to 64bits.
7778         (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
7779         (REGPARM_MAX): Set to 6 for x86_64.
7780         (SSE_REGPARM_MAX): Set to 16 for x86_64.
7781         * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
7782         registers.
7783
7784         * (patterns that does use upper halves): Update constraints
7785         'q' to 'Q' and 'r' to 'R'.
7786         (cmpqi_ext_1): Disable for 64bit.
7787         (cmpqi_ext_3_insn): Likewise.
7788         (movqi_extzv_1): Likewsie.
7789         (addqi_ext_1): Liekwsie
7790         (testqi_ext_1): Liekwsie
7791         (andqi_ext_1): Liekwsie
7792         (xorqi_ext_1): Liekwsie
7793         (cmpqi_ext_1_rex64): New.
7794         (cmpqi_ext_3_insn_rex64): Likewise.
7795         (movqi_extzv_1_rex64): Likewsie.
7796         (addqi_ext_1_rex64): Liekwsie
7797         (testqi_ext_1_rex64): Liekwsie
7798         (andqi_ext_1_rex64): Liekwsie
7799         (xorqi_ext_1_rex64): Liekwsie
7800
7801 2001-03-11  Zack Weinberg  <zackw@stanford.edu>
7802
7803         * configure.in: Move check for unsigned enumerated bitfields
7804         to macro in aclocal.m4.  Disable it for now.
7805         * configure, config.in: Regenerate.
7806         * system.h: Don't do anything with ONLY_INT_FIELDS.  Use the
7807         unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
7808         * varasm.c (struct rtx_const): Use ENUM_BITFIELD().  Move enum
7809         kind above its first use.
7810
7811         * config/xm-interix.h, config/alpha/xm-alpha.h,
7812         config/i370/xm-linux.h, config/i386/xm-beos.h,
7813         config/i386/xm-mingw32.h, config/mips/xm-mips.h,
7814         config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7815         config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
7816         Don't define ONLY_INT_FIELDS under any circumstances.
7817
7818         * config/pa/xm-pa.h: Don't define __BSD_NET2__.
7819
7820         * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7821         config/sparc/xm-sysv4.h: Delete - now identical with some
7822         other xm header.
7823         * config.gcc (hppa targets): Replace xm-pahpux.h and
7824         xm-papro.h with implicit xm-pa.h.
7825         (sparc targets): Replace xm-sysv4.h with implicit or explicit
7826         xm-sparc.h.
7827
7828 2001-03-12  Aldy Hernandez  <aldyh@redhat.com>
7829
7830         * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
7831         before reload_cse_noop_set_p.
7832
7833 2001-03-11  Zack Weinberg  <zackw@stanford.edu>
7834
7835         * config.gcc: Where xm-host.h used to include another
7836         xm-host.h, list the nested header directly in xm_file.  Remove
7837         references to deleted files.  Can now use sparc/xm-sp64.h for
7838         sparcv9-*-solaris*.
7839
7840         * config/xm-linux.h, config/arm/xm-linux.h,
7841         config/i386/xm-dos.h, config/i386/xm-gnu.h,
7842         config/i386/xm-linux.h, config/i386/xm-openbsd.h,
7843         config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
7844         config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
7845         config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
7846         Delete.
7847
7848         * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
7849         * config/mips/xm-iris5.h: Don't include mips/xm-mips.h.  Don't
7850         bother to wrap #undef in #ifdef.
7851         * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
7852         Don't include xm-linux.h.
7853         * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
7854
7855         * configure.in: Wrap regexps using [] in changequote block.
7856         Use expr : not echo | grep.  Simplify regexps.
7857         * configure: Regenerate.
7858
7859         56 xm-files remain, 22 xm-arch.
7860
7861 2001-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7862
7863         * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
7864         (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7865         (local_index, local_rindex): Delete, use strchr/strrchr instead.
7866         (copy_object): Fix format specifier vs argument mismatch.
7867
7868         * mips-tdump.c: Make local functions static.
7869         (rindex): Don't #undef.
7870         (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7871         (fatal, fancy_abort): Delete.
7872         (read_seek): Avoid signed/unsigned compare.
7873
7874 Sun Mar 11 17:01:41 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7875
7876         * combine.c (try_combine): Fix error in change to try original
7877         register.
7878         (gen_rtx_combine): Do same as gen_rtx for now.
7879
7880 2001-03-11  Zack Weinberg  <zackw@stanford.edu>
7881
7882         * configure.in: AC_SUBST xm_defines.
7883         * configure: Regenerate.
7884         * Makefile.in: Set DEFINES=$(xm_defines) when building
7885         tconfig.h.
7886
7887 2001-03-11  Neil Booth  <neil@daikokuya.demon.co.uk>
7888
7889         * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
7890         (cpp_included, find_include_file): Update.
7891         (_cpp_compare_file_date): Make else unconditional.
7892
7893 2001-03-10  kaz Kojima <kkojima@rr.iij4u.or.jp>
7894
7895         * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
7896
7897 2001-03-10  Toshiyasu Morita  <toshiyasu.morita@hsa.hitachi.com>
7898
7899         * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
7900         * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
7901
7902 Sat Mar 10 22:42:05 2001  Alexandre Oliva  <aoliva@redhat.com>
7903
7904         * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
7905         if it's a record type.
7906
7907 Sat Mar 10 17:52:54 2001  Christopher Faylor <cgf@cygnus.com>
7908
7909         * config/i386/cygwin.h: Make ../w32api a system directory.  Reorganize
7910         mingw includes slightly.
7911
7912 2001-03-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7913
7914         * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
7915         #undef token before poisoning it.
7916
7917 2001-03-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7918
7919         * alpha.c (check_float_value): Use memcpy, not bcopy.
7920
7921         * m32r.c (m32r_sched_reorder): Likewise.
7922
7923         * vax.c (check_float_value): Likewise.
7924
7925 2001-03-10  Neil Booth  <neil@daikokuya.demon.co.uk>
7926
7927         * toplev.c (file_name_nondirectory): Remove.
7928         * toplev.h: Similarly.
7929         * dwarf2out.c (compute_section_prefix): Use lbasename instead
7930         of file_name_nondirectory.
7931
7932 Sat Mar 10 10:36:45 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7933
7934         * mips-tdump.c (read_seek): Call xmalloc, not malloc.
7935         * mips-tfile.c: Don't #undef rindex; not used.
7936
7937 Sat Mar 10 14:34:59 CET 2001  Jan Hubicka  <jh@suse.cz>
7938
7939         * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
7940         (dbx64_register_map): Declare.
7941         (RETURN_ADDR_RTX): Fix for 64bit.
7942         (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
7943         (INCOMING_FRAME_SP_OFFSET): Set to 8.
7944         * i386.c (dbx64_register_map): New global array.
7945         * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
7946         linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
7947         for 64bits.
7948
7949 2001-03-10  Neil Booth  <neil@daikokuya.demon.co.uk>
7950
7951         * cppfiles.c (search_from): Use lbasename.
7952         * mkdeps.c (deps_add_default_target): Use lbasename.
7953
7954 2001-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7955
7956         * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
7957         xcalloc in lieu of malloc, realloc & calloc.
7958
7959         * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
7960
7961         * gengenrtl.c (xmalloc): Likewise.
7962
7963         * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
7964         really_call_* memory allocation routines.
7965
7966         * stmt.c (check_for_full_enumeration_handling): Use
7967         really_call_calloc, not calloc.
7968
7969         * system.h (really_call_malloc, really_call_calloc,
7970         really_call_realloc): Define.
7971         (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
7972
7973 Fri Mar  9 18:39:19 2001  Jeffrey A Law  (law@cygnus.com)
7974
7975         * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
7976
7977 2001-03-09  Nicola Pero <n.pero@mi.flashnet.it>
7978
7979         * configure: Rebuilt.
7980         * configure.in: Only use `lang_requires' for languages athat are
7981         actually enabled.
7982
7983 2001-03-09  Joseph S. Myers  <jsm28@cam.ac.uk>
7984
7985         * invoke.texi: Fix typo.
7986         * gcc.1: Regenerate.
7987
7988 2001-03-09  Zack Weinberg  <zackw@stanford.edu>
7989
7990         * configure.in: Prune nonexistent files from build_xm_file,
7991         xm_file, and host_xm_file lists.  Warn unless they're
7992         $cpu/xm-$cpu.h.
7993         Don't generate *config.h here.
7994         AC_SUBST all variables needed to generate *config.h.
7995         * configure: Regenerate.
7996         * mkconfig.sh: New helper script, from code removed from
7997         configure.in.
7998         * Makefile.in: Zap all MALLOC variables - no longer used
7999         anywhere, and malloc.c doesn't exist.
8000         Substitute in variables needed to generate *config.h.
8001         Stop lying about the dependencies contained in CONFIG_H and
8002         GCONFIG_H.
8003         (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
8004         (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
8005         cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
8006         (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
8007         $(TM_P_H), etc. as appropriate.
8008
8009         * config.gcc: Zap references to deleted files.
8010         * ggc-none.c: Don't include rtl.h or tm_p.h.
8011
8012         * config/i386/xm-beos.h, config/i386/xm-dgux.h,
8013         config/i386/xm-djgpp.h, config/i386/xm-dos.h,
8014         config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
8015         config/i386/xm-linux.h, config/i386/xm-linux.h,
8016         config/i386/xm-next.h, config/i386/xm-openbsd.h,
8017         config/i386/xm-sun.h, config/i386/xm-sysv3.h:
8018         Don't include i386/xm-i386.h.
8019
8020         * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
8021         config/i386/xm-i386.h, config/i860/xm-i860.h,
8022         config/i960/xm-i960.h, config/mcore/xm-mcore.h,
8023         config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8024         config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
8025         Delete (empty except comments, #includes of other deleted
8026         files, and macros used nowhere).
8027
8028 Fri Mar  9 20:05:27 CET 2001  Jan Hubicka  <jh@suse.cz>
8029
8030         * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
8031         independent on TARGET_FLAGS.
8032
8033 Fri Mar  9 19:52:52 CET 2001  Jan Hubicka  <jh@suse.cz>
8034
8035         * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
8036
8037         (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
8038         extended ones.
8039         (CONDITIONAL_REGISTER_USAGE): Set proper values according to
8040         TARGET_64BIT.
8041         (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
8042         LAST_REX_SSE_REG): define.
8043         (enum reg_class): Add 'LEGACY_REGS'
8044         (REG_CLASS_CONTENTS): Likewise; add extended registers.
8045         (SSE_REGNO_P): Recognize extended registers.
8046         (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
8047         (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
8048         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
8049         REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
8050         (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
8051          REG_OK_FOR_STRREG_P): Remove.
8052         (HI_REGISTER_NAMES): Add extended registers.
8053         (ADDITIONAL_REGISTER_NAMES): Likewise.
8054         (QI_REGISTER_NAMES): Add 8bit extended registers.
8055         (DEBUG_REG): Support extended registers.
8056         * i386.c (regclass_map): Add extended registers.
8057         (dbx_register-map): Likewise.
8058         (svr4_dbx_register_map): Likewise.
8059         (print_reg): Support extended registers.
8060         (print_operand): Support 64bit operands.
8061
8062 Fri Mar  9 19:37:46 CET 2001  Jan Hubicka  <jh@suse.cz>
8063
8064         * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
8065         (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
8066          FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
8067          DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
8068         (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
8069          STACK_BOUNDARY): Set properly for 64bits.
8070         (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
8071         (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
8072         (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
8073         (MOVE_MAX): Set to 16.
8074         (MOVE_MAX_PIECES): 8 for 64bit.
8075         (Pmode): Set to SImode.
8076
8077 Fri Mar  9 09:00:36 2001  Mike Stump  <mrs@wrs.com>
8078
8079         * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
8080
8081 Fri Mar  9 17:38:08 CET 2001  Jan Hubicka  <jh@suse.cz>
8082
8083         * i386.h (mask_64bit): New constant.
8084         (target_64bit): New macro.
8085         (target_options): Add '64'/'32'
8086         (target_default): Define.
8087         * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
8088         isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
8089         unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
8090
8091 Thu Mar  8 23:36:56 2001  Jeffrey A Law  (law@cygnus.com)
8092
8093         * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
8094
8095 Thu Mar  8 23:29:37 2001  John Wehle  (john@feith.com)
8096
8097         * rtlanal.c (rtx_varies_p): Check operand 0 of a
8098         LO_SUM unless for_alias is set.
8099
8100 2001-03-08  Stan Shebs  <shebs@apple.com>
8101
8102         * objc/objc-act.c: Fix old typos in comments, add comments for
8103         various functions.
8104         (hash_init): Fix file name in error message.
8105         (hash_enter): Ditto.
8106         (hash_add_attr): Ditto.
8107         (continue_class): Ditto.
8108
8109 2001-03-08  Bruce Korb  <bkorb@gnu.org>
8110
8111         gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
8112         wait4() can receive the signal.
8113
8114 Thu Mar  8 21:09:10 2001  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8115
8116         * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
8117         entities.
8118         * fixinc/fixincl.x: Regenerate.
8119
8120 Thu Mar  8 21:09:10 2001  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8121
8122         * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
8123         on Tru64 UNIX.
8124         * fixinc/fixincl.x: Regenerate.
8125
8126 2001-03-08  Richard Henderson  <rth@redhat.com>
8127
8128         * configure.in (HAVE_AS_LEB128): New assembler check.
8129         * configure, config.in: Rebuilt.
8130
8131 Thu Mar  8 19:54:04 CET 2001  Jan Hubicka  <jh@suse.cz>
8132
8133         * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
8134         TFmode too.
8135
8136 2001-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8137
8138         * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
8139         references to the MAXPATHLEN macro.
8140
8141         * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
8142         config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
8143         the POSIX macro.
8144
8145         * config/i386/xm-gnu.h, config/xm-gnu.h,
8146         config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
8147         config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
8148         config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
8149         and/or unused files.
8150
8151         * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
8152         doing so in various xm-*.h files.
8153
8154 Thu Mar  8 06:32:50 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8155
8156         * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
8157
8158 2001-03-08  Alexandre Oliva  <aoliva@redhat.com>
8159
8160         * configure.in (enable_shared): Support per-package shared-library
8161         enabling.
8162         * configure: Rebuilt.
8163
8164 2001-03-07  David Edelsohn  <edelsohn@gnu.org>
8165
8166         * rs6000.md (cr logic): Add original POWER mnemonic alternative
8167         for crnot.  Set operands[5] in splitter.
8168
8169 2001-03-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8170
8171         * config/i370/xm-mvs.h, config/i370/xm-oe.h,
8172         config/i386/xm-beos.h, config/i386/xm-mingw32.h,
8173         config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
8174         config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
8175         config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
8176         config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
8177         config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
8178         to the USG macro.
8179
8180         * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
8181         config/i370/xm-i370.h, config/i386/xm-dgux.h,
8182         config/i386/xm-sun.h, config/i386/xm-sysv3.h,
8183         config/m68k/xm-tower.h, config/m68k/xm-aux.h,
8184         config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
8185         config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
8186         config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
8187         config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
8188         config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
8189         config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
8190         Delete unused and/or empty files.
8191
8192         * config.gcc: Define USG in xm_defines as appropriate.  Define
8193         POSIX in lieu of xm-svr4.h.  Delete all references to the SVR3
8194         macro.  Remove deleted xm-* files from $xm_files variable.
8195
8196 2001-03-07  Tom Tromey  <tromey@redhat.com>
8197
8198         * configure: Rebuilt.
8199         * configure.in: Allow config-lang.in to set `lang_requires' to list
8200         of other required languages.
8201
8202 2001-03-07  Andrew MacLeod  <amacleod@redhat.com>
8203
8204         * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
8205         after its emitted.
8206         (output_prologue): Use xmalloc not oballoc.
8207         (output_epilog): Free a29k_first_epilogue_insn when finished.
8208         * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
8209
8210 2001-03-07  Brad Lucier  <lucier@math.purdue.edu>
8211
8212         * builtins.c (expand_builtin_mathfn): Check
8213         flag_unsafe_math_optimizations, not flag_fast_math.
8214         (expand_builtin): Likewise
8215         * combine.c (combine_simplify_rtx): Likewise.
8216         (simplify_if_then_else): Likewise.
8217         * cse.c (fold_rtx): Likewise.
8218         * flags.h: Remove flag_fast_math.  Add
8219         flag_unsafe_math_optimizations and flag_trapping_math.
8220         * fold-const.c (negate_expr): Check
8221         flag_unsafe_math_optimizations, not flag_fast_math.
8222         (invert_truthvalue): Likewise.
8223         (fold): Likewise.  Before associating operands, check that
8224         code == MULT_EXPR, not code != MULT_EXPR.
8225         * ifcvt.c (noce_try_minmax): Check
8226         flag_unsafe_math_optimizations, not flag_fast_math.
8227         (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
8228         * invoke.texi: Document -funsafe-math-optimizations and
8229         -fno-trapping-math.  Change documentation for -ffast-math.
8230         * jump.c (reversed_comparison_code_parts): Likewise.
8231         (rtx_equal_for_thread_p): Likewise.
8232         * optabs.c (emit_conditional_move): Likewise.
8233         * simplify-rtx.c (simplify_binary_operation): Likewise.
8234         (simplify_relational_operation): Likewise.
8235         (simplify_ternary_operation): Likewise.
8236         * toplev.c: Remove flag_fast_math.  Add flag_trapping_math and
8237         flag_unsafe_math_optimizations.  Remove fast-math entry from f_options.
8238         Add trapping-math and unsafe-math-optimizations entries to f_options.
8239         (set_fast_math_flags): New, sets flags for -ffast-math.
8240         (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
8241         (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
8242         * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
8243
8244         * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
8245         (alpha_emit_conditional_move): Initialize local_fast_math to
8246         flag_unsafe_math_optimizations, not flat_fast_math.
8247         * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
8248         instead of setting flag_fast_math to 1.
8249         * config/convex/convex.md: Check flag_unsafe_math_optimizations,
8250         not flag_fast_math.
8251         * config/i386/i386.c (override_options): Likewise
8252         * config/i386/i386.md: Likewise.
8253         * config/m68k/m68k.md: Likewise.
8254         * config/mips/mips.md: Likewise.
8255         * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
8256         (rs6000_generate_compare): Likewise.
8257
8258 2001-03-07  Laurynas Biveinis  <lauras@softhome.net>
8259
8260         * Makefile.in: Set RANLIB to @RANLIB@.
8261         Remove RANLIB_TEST.
8262
8263 2001-03-07  Laurynas Biveinis  <lauras@softhome.net>
8264
8265         * fixinc/inclhack.def (djgpp_wchar_h): New test.
8266         * fixinc/fixincl.x: Regenerated.
8267
8268 2001-03-07  Richard Henderson  <rth@redhat.com>
8269
8270         * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
8271
8272 2001-03-07  Richard Henderson  <rth@redhat.com>
8273
8274         * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
8275         of block notes and exception handling notes.
8276
8277         * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
8278         * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
8279         (compile_file): ... here.
8280
8281 2001-03-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8282
8283         * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
8284
8285         * fixinc/gnu-regex.c: Don't include auto-host.h since we get
8286         config.h now.  Include libiberty.h to handle alloca.
8287
8288 2001-03-06  Zack Weinberg  <zackw@stanford.edu>
8289
8290         * c-parse.in (yylexname): New function, split out of _yylex.
8291         (objc_rid_sans_at): New table.
8292         (init_reswords): Initialize it.
8293         (_yylex): Give labels clearer names.  Handle CPP_ATSIGN by
8294         retrieving the next token and checking it for significance as
8295         an ObjC keyword or string constant.
8296
8297         * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
8298         * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
8299
8300         * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
8301         to CPP_OSTRING.
8302
8303 2001-03-06  Stephen L Moshier  <moshier@mediaone.net>
8304
8305         * config/m68k/m68k.c (const_uint32_operand): Accept any
8306         const_int on a 32-bit host.
8307
8308 2001-03-06  Nicola Pero  <n.pero@mi.flashnet.it>
8309
8310         * objc/objc-act.c (init_objc): Set save_lang_status,
8311         restore_lang_status, and mark_lang_status.
8312
8313 2001-03-06  Krister Walfridsson  <cato@df.lth.se>
8314
8315         * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
8316
8317 2001-03-06  Neil Booth  <neil@daikokuya.demon.co.uk>
8318
8319         * cppinternals.texi: Update.
8320
8321 2001-03-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8322
8323         * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8324         config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
8325         config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
8326         config/convex/xm-convex.h, config/d30v/xm-d30v.h,
8327         config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
8328         config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8329         config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
8330         config/i386/xm-i386.h, config/i860/xm-i860.h,
8331         config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8332         config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
8333         config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8334         config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8335         config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8336         config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8337         config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
8338         config/romp/xm-romp.h, config/rs6000/xm-beos.h,
8339         config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
8340         config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8341         config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8342         config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
8343         config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
8344         match the defaults provided in hwint.h.
8345
8346         * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8347         config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
8348
8349         * config.gcc (xm_file): Don't set to files which are deleted.
8350
8351         * hwint.h: Provide default values for HOST_BITS_PER_*.  No longer
8352         guard this file against these macros being undefined.
8353
8354 2001-03-06  Zack Weinberg  <zackw@stanford.edu>
8355
8356         * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
8357         and DECL_DEFER_OUTPUT on the decl we create, before calling
8358         rest_of_decl_compilation.
8359
8360 2001-03-06  Zack Weinberg  <zackw@stanford.edu>
8361
8362         * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
8363         AC_FUNC_ALLOCA.
8364         * configure, config.in: Regenerate.
8365         * config.gcc: Remove references to deleted files.
8366
8367         * genattr.c, genattrtab.c, genextract.c, genoutput.c,
8368         genrecog.c, rtl.c: Do not use alloca anywhere.
8369
8370         * Makefile.in, build-make, system.h, config/x-interix,
8371         config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
8372         config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
8373         config/arc/xm-arc.h, config/arm/xm-arm.h,
8374         config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8375         config/h8300/xm-h8300.h, config/i370/x-oe,
8376         config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
8377         config/i386/x-ncr3000, config/i386/x-sco5,
8378         config/i386/xm-dgux.h, config/i860/x-sysv4,
8379         config/i960/xm-i960.h, config/m32r/xm-m32r.h,
8380         config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
8381         config/m68k/x-hp320g, config/m69k/x-mot3300,
8382         config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
8383         config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
8384         config/m68k/xm-mot3300.h, config/m88k/x-dolph,
8385         config/m88k/x-sysv4, config/m88k/x-tekXD88,
8386         config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8387         config/mips/x-iris, config/mips/x-iris3,
8388         config/mips/x-sni-svr4, config/mips/x-sysv,
8389         config/mips/xm-iris6.h, config/mips/xm-mips.h,
8390         config/mips/xm-nws3250v4.h, config/pa/x-hpux,
8391         config/pa/x-pa-mpeix, config/pa/xm-pa.h,
8392         config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8393         config/pa/xm-papro.h, config/romp/xm-romp.h,
8394         config/rs6000/x-aix31, config/rs6000/x-aix41,
8395         config/rs6000/x-beos, config/rs6000/x-lynx,
8396         config/rs6000/x-mach, config/rs6000/x-rs6000,
8397         config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
8398         config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8399         config/sparc/x-sysv4, config/sparc/xm-linux.h,
8400         config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
8401         config/vax/xm-vms.h: Eradicate all references to alloca and
8402         related stuff.
8403
8404         * config/xm-alloca.h, config/clipper/x-clix,
8405         config/i386/xm-sysv4.h, config/i860/x-fx2800,
8406         config/i860/x-sysv3, config/m88k/x-sysv3,
8407         config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
8408         (contained only alloca related hacks).
8409
8410         * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
8411         USE_C_ALLOCA.
8412
8413 2001-03-05  Brad Lucier  <lucier@math.purdue.edu>
8414
8415         * invoke.texi: Document __FAST_MATH__.
8416
8417 2001-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8418
8419         * crtstuff.c: Restore include of auto-host.h.
8420
8421 2001-03-05  Fergus Henderson  <fjh@cs.mu.oz.au>
8422
8423         Put main() in a separate file, so that the language
8424         front-end can use a different main().
8425
8426         * main.c: New.
8427         * toplev.c: (main): Rename as toplev_main.
8428         * toplev.h: Declare toplev_main.
8429         * Makefile.in (OBJS): add toplev.o.
8430           (BACKEND): remove toplev.o, add main.o.
8431
8432 2001-03-04  Neil Booth  <neil@daikokuya.demon.co.uk>
8433
8434         * cppfiles.c (search_from): Special case the empty string.
8435
8436 2001-03-04  Neil Booth  <neil@daikokuya.demon.co.uk>
8437
8438         * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
8439         copy of the filename.  Don't use CPP_PREV_BUFFER.  Don't call
8440         strlen or strcpy; we already know the length.
8441         (_cpp_compare_file_date): Similarly.
8442         * cpphash.h (struct cpp_reader): Delete done_initialising.
8443         (CPP_PREV_BUFFER): Delete.
8444         * cppinit.c (cpp_start_read): Don't set done_initialising.
8445         * cpplex.c (parse_string): Guarantee null-termination.
8446         (_cpp_equiv_toklists): Remove.
8447         * cpplib.c (glue_header_name): Null-terminate.
8448         (do_line): Don't leak memory.
8449         * cpplib.h (BT_WEAK): Delete.
8450         * cppmain.c (cb_ident): Strings are now null-terminated.
8451
8452 2001-03-04  Laurynas Biveinis  <lauras@softhome.net>
8453
8454         * gcc.c (convert_filename): Append executable suffix
8455         if NO_AUTO_EXE_SUFFIX is not defined.
8456         * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
8457         * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
8458
8459 2001-03-03  David O'Brien  <obrien@FreeBSD.org>
8460
8461         from 2000-09-06  Zack Weinberg  <zack@wolery.cumb.org>
8462         * c-parse.gperf, c-gperf.h: Delete.
8463         (c-gperf.h was accidently re-added to the CVS repo in the rev
8464         1.16 commit by tromey)
8465
8466 2001-03-03  Neil Booth  <neil@daikokuya.demon.co.uk>
8467
8468         * cpplex.c (_cpp_lex_token): Don't warn about directives in
8469         macro arguments when looking for the '('.
8470         * cppmacro.c (funlike_invocation_p): Set parsing_args to
8471         2 when really parsing arguments; 1 when looking for '('.
8472         Always restore the lexer position.
8473
8474 2001-03-03  Neil Booth  <neil@daikokuya.demon.co.uk>
8475
8476         * longlong.h (umul_ppmm): Don't use a multiline string.
8477
8478 2001-03-03  John David Anglin  <dave@hiauly1.hia.nrc.ca>
8479
8480         * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
8481         * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
8482         t_bool in declaration because pcc can't combine volatile with typedef
8483         types.
8484
8485 Sat Mar  3 19:47:13 CET 2001  Jan Hubicka  <jh@suse.cz>
8486
8487         * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
8488         until when it is really needed.
8489         (ix86_expand_compare): Update call of ix86_expand_fp_compare.
8490         * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
8491         * i386.md (float?i?f splitter): Don't force source operand to memory
8492         for SSE.
8493         (sse_movdfcc): Fix constraint.
8494         (sse_movdfcc splitter): Handle properly the second alternative.
8495
8496 2001-03-03  Neil Booth  <neil@daikokuya.demon.co.uk>
8497
8498         * cpplex.c (parse_string): Unconditionally pedwarn.
8499
8500 2001-03-03  Neil Booth  <neil@daikokuya.demon.co.uk>
8501
8502         * cpp.texi: Update.
8503         * cppexp.c (parse_number): Update.
8504         * cpplex.c (parse_string): Pedwarn if multiline string does not
8505         result from a system header's macro.
8506         * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
8507         * cppmacro.c (sys_objmacro_p): Rename sys_macro_p.  Return true
8508         for function-like macros too.
8509         * c-lex.c (lex_number): Update.
8510
8511 2001-03-03  Richard Henderson  <rth@redhat.com>
8512
8513         * dwarf2out.c (output_call_frame_info): Fix augmentation length.
8514
8515 Sat Mar  3 04:17:17 2001  J"orn Rennecke <amylaar@redhat.com>
8516
8517         * combine.c (try_combine): If split with mode-changed scratch
8518         register didn't work, try the original mode.
8519
8520 Sat Mar  3 03:46:47 2001  J"orn Rennecke <amylaar@redhat.com>
8521
8522         * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
8523         * config/c4x/c4x.h: Likewise.
8524         * stor-layout.c (compute_record_mode): Likewise.
8525         (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
8526
8527 2001-03-02  Zack Weinberg  <zackw@stanford.edu>
8528
8529         * configure.in: Kill tm.h.  Include the files in the $tm_file
8530         list in all three of config.h, hconfig.h, tconfig.h, after the
8531         relevant set of xm_files.  Put TARGET_CPU_DEFAULT in all
8532         three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
8533         * configure: Regenerate.
8534         * Makefile.in (clean): Don't delete tm.h.
8535
8536         * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
8537         defined, set them from EXIT_SUCCESS and EXIT_FAILURE.  If
8538         those are not defined, set SEC and FEC to 0 and 1.
8539         * gcc.texi: Update to match.
8540
8541         * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
8542         * config/fp-bit.c, config/m68k/aux-crt2.asm,
8543         config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
8544         Include tconfig.h, not tm.h.
8545
8546         * config/xm-lynx.h, config/xm-std32.h,
8547         config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8548         config/alpha/xm-alpha.h, config/arc/xm-arc.h,
8549         config/avr/xm-avr.h, config/c4x/xm-c4x.h,
8550         config/clipper/xm-clix.h, config/convex/xm-convex.h,
8551         config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8552         config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8553         config/h8300/xm-h8300.h, config/i370/xm-linux.h,
8554         config/i386/xm-i386.h, config/i860/xm-i860.h,
8555         config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8556         config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
8557         config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8558         config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8559         config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8560         config/pa/xm-linux.h, config/pa/xm-pa.h,
8561         config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8562         config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
8563         config/pj/xm-pj.h, config/romp/xm-romp.h,
8564         config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8565         config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8566         config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8567         config/v850/xm-v850.h, config/vax/xm-vax.h,
8568         config/we32k/xm-we32k.h:
8569         Don't include tm.h.
8570         Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
8571
8572         * config/i370/xm-i370.h, config/i370/xm-mvs.h,
8573         config/i370/xm-oe.h: Don't include tm.h.  Don't define
8574         SUCCESS_EXIT_CODE.
8575         * config/vax/xm-vms.h: Don't include tm.h.
8576
8577         * config/xm-lynx.h, config/avr/xm-avr.h,
8578         config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
8579         Delete; made empty by above changes.
8580         * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8581         config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
8582         Don't include config/xm-lynx.h or tm.h.
8583
8584         * config/xm-gnu.h: Don't include fcntl.h.
8585         * config/sparc/xm-lynx.h: Don't include sys/types.h and
8586         sys/wait.h.
8587         * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
8588
8589 2001-03-02  Richard Henderson  <rth@redhat.com>
8590
8591         * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
8592         UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
8593
8594 2001-03-02  Richard Henderson  <rth@redhat.com>
8595
8596         * Makefile.in (OBJS): Add dwarf2asm.o.
8597         * dwarf2asm.c, dwarf2asm.h: New files.
8598         * dwarf2out.c (*): Use them.
8599         (size_of_uleb128, size_of_sleb128): Remove.
8600         (output_uleb128, output_sleb128): Remove.
8601         (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
8602         (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
8603         (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
8604         (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
8605         (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
8606         (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
8607         (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
8608         (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
8609         (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
8610         (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8611         (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
8612         (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
8613         (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
8614         (dwarf2out_frame_debug): Remove unused variables.
8615         (output_loc_operands): Don't abort on 8 byte constants if
8616         host integers are wide enough.
8617         (output_symbolic_ref): Remove.
8618         (size_of_die): Don't assume 4 byte host integers.
8619         (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
8620         and end labels.
8621         (add_const_value_attribute) [CONST_INT]: Verify we're not doing
8622         something stupid with HOST_WIDE_INT to long truncation.
8623         [CONST_DOUBLE]: Likewise.
8624
8625         * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
8626         (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8627         * config/arm/unknown-elf.h: Likewise.
8628         * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
8629         (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
8630         (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
8631         (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
8632         (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
8633         (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
8634         (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
8635         (ASM_OUTPUT_DWARF_OFFSET): Remove.
8636         * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
8637         * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
8638         (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
8639         (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
8640
8641 2001-03-02  John David Anglin  <dave@hiauly1.hia.nrc.ca>
8642
8643         * cselib.c (hash_rtx): Cast enums to unsigned int.
8644
8645 2001-03-02  John David Anglin  <dave@hiauly1.hia.nrc.ca>
8646
8647         * print-rtl.c (print_rtx): Cast enums to int for comparison.
8648         * c-decl.c (grokdeclarator): Cast enums to int for comparison and
8649         shifts.
8650         * c-format.c (C_STD_VER): Cast to int for comparisons.
8651         (check_function_format): Cast various enums to int for &.
8652         (maybe_read_dollar_number): Likewise.
8653         (check_format_info): Likewise.
8654         (check_format_info_main): Likewise.
8655         * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
8656         (safe_from_p): Likewise.
8657         * varasm.c (const_hash): Cast enum to int for %.
8658         * emit-rtl.c (init_emit_once): Use int loop variable to work around
8659         pcc enum problems with < and ++ operators.
8660         * regclass.c (init_reg_sets_1): Cast enums for comparison.
8661         (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
8662         (regclass_init): Change enum class to int to iterate over reg_classes.
8663         * genrecog.c (merge_trees): Cast enums for comparison.
8664         * rtl.h (GET_CODE): Cast to enum rtx_code.
8665         (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
8666         (GET_MODE): Cast to enum machine_mode.
8667         (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
8668         (GET_NOTE_INSN_NAME): Cast enum to int.
8669         * tree.h (TREE_CODE): Cast to enum tree_code.
8670         (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
8671         * timevar.c (timevar_print): Change loop variable id from enum to
8672         unsigned int.
8673         * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
8674         * config/i386/i386.md: Use PUT_MODE for mode assignment.
8675         * toplev.c (compile_file): Cast enum DFI to int.
8676         (decode_d_option): Likewise.
8677
8678 Fri Mar  2 12:18:13 2001  Christopher Faylor <cgf@cygnus.com>
8679
8680         * cppinit.c (append_include_chain): Mark "after" include file name list
8681         as a system directory.
8682         * cpp.texi: Document new behavior.
8683
8684 Fri Mar  2 11:59:43 CET 2001  Jan Hubicka  <jh@suse.cz>
8685
8686         * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
8687
8688 2001-03-02  Neil Booth  <neil@daikokuya.demon.co.uk>
8689
8690         * cppfiles.c (struct include_file): Update.
8691         (stack_include_file): Use search_from.
8692         (cpp_included, find_include_file): Update.
8693         (cpp_execute_include): Update.  ptr->name may not be
8694         null terminated.  Use the new search_from member variable
8695         of cpp_buffer.
8696         (_cpp_compare_file_date): Similarly.
8697         (search_from): New function, similiar to actual_directory.
8698         (actual_directory): Delete.
8699         (remap_filename): Update.  loc->name may not be null terminated.
8700         (struct file_name_list): Rename search_path.  Update.
8701         * cpphash.h (struct cpp_buffer): Delete actual_dir.  New members
8702         search_from and dir.
8703         (struct cpp_reader): Remove actual_dirs.
8704         * cppinit.c (struct cpp_pending): Update for renamed objects.
8705         (append_include_chain, remove_dup_dir, remove_dup_dirs,
8706         merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
8707         * cpplib.h (struct cpp_options): Similarly.
8708
8709 2001-03-01  Zack Weinberg  <zackw@stanford.edu>
8710
8711         * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
8712         config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
8713         config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
8714         config/clipper/xm-clix.h, config/convex/xm-convex.h,
8715         config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8716         config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8717         config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8718         config/i370/xm-linux.h, config/i370/xm-mvs.h,
8719         config/i370/xm-oe.h, config/i386/xm-aix.h,
8720         config/i386/xm-i386.h, config/i386/xm-osf.h,
8721         config/i860/xm-i860.h, config/i960/xm-i960.h,
8722         config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
8723         config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
8724         config/mcore/xm-mcore.h, config/mips/xm-mips.h,
8725         config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
8726         config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
8727         config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8728         config/pa/xm-pahpux.h, config/pa/xm-papro.h,
8729         config/pj/xm-pj.h, config/romp/xm-romp.h,
8730         config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8731         config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8732         config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8733         config/v850/xm-v850.h, config/vax/xm-vax.h,
8734         config/vax/xm-vms.h, config/we32k/xm-we32k.h:
8735         Do not define TRUE or FALSE.
8736
8737         * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
8738         empty by above change.
8739         * config.gcc: Remove references to these files.
8740
8741         * configure.in: Detect stdbool.h.
8742         * configure, config.in: Regenerate.
8743         * system.h: Include stddef.h here if available.
8744         Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
8745         Then set up a sensible boolean type at the very end.
8746
8747         * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
8748         config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
8749
8750         * hash.h: Delete 'boolean' typedef and related #undefs.
8751
8752         * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
8753         all uses of 'boolean' with 'bool'.
8754
8755 2001-03-01  John David Anglin  <dave@hiauly1.hia.nrc.ca>
8756
8757         * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
8758         * cppexp.c (lex): Cast enums for comparison.
8759         * cppinit.c (parse_option): Cast enum for comparison.
8760         * cpplex.c (cpp_spell_token): Cast enums to int for minus.
8761         (cpp_output_token): Likewise.
8762         (cpp_can_paste): Cast enums for comparsion and plus/minus.
8763         (cpp_avoid_paste): Cast enums for minus and comparison.
8764
8765 2001-03-01  Zack Weinberg  <zackw@stanford.edu>
8766
8767         * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
8768         field to all array elements.
8769
8770 2001-03-01  Zack Weinberg  <zackw@stanford.edu>
8771
8772         * cpphash.h (struct cpp_reader): Add print_version field.
8773         * cppinit.c (cpp_handle_option): For -v, -version, and --version,
8774         just set print_version and other flags as appropriate.
8775         (cpp_post_options): Print version here if print_version is set.
8776
8777         * toplev.c (exit_after_options): New flag.
8778         (independent_decode_option): Don't exit here; just set
8779         exit_after_options.
8780         (main): Exit after calling lang_hooks.post_options if
8781         exit_after_options is true.
8782
8783         * cppinit.c (append_include_chain): Drop never-used case QUOTE.
8784         (merge_include_chains): Adjust comment to match code.
8785
8786 2001-03-01  Zack Weinberg  <zackw@stanford.edu>
8787
8788         * stringpool.c (set_identifier): New function.
8789         * tree.h: Prototype it.
8790
8791         * c-parse.in: Kill D_YES. If compiled for objc, call
8792         save_and_forget_protocol_qualifiers from init_reswords.
8793         * objc/objc-act.c (remember_protocol_qualifiers,
8794         forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
8795         Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
8796         vice versa.
8797         (save_and_forget_protocol_qualifiers): New function.
8798         * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
8799
8800 2001-03-01  Diego Novillo  <dnovillo@redhat.com>
8801
8802         * c-semantics.c (prune_unused_decls): Return error_mark_node
8803         instead of (tree) 1 to stop traversing the tree chain.
8804
8805 2001-03-01  Bernd Schmidt  <bernds@redhat.com>
8806
8807         Fix a problem introduced by Kenner's Feb 18 change.
8808         * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
8809         flag_cse_skip_blocks only temporarily, not for ever.
8810
8811 Thu Mar  1 09:49:58 2001  Jeffrey A Law  (law@cygnus.com)
8812
8813         * config/pa/som.h  (ASM_IDENTIFY_GCC): Define.
8814         (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
8815
8816         * pa.c (emit_move_sequence): Verify operand0 is a hard register
8817         before determining its register class.
8818
8819 2001-03-01  Bernd Schmidt  <bernds@redhat.com>
8820
8821         * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
8822         from reg 4 if current_function_calls_setjmp.
8823         (gen_nop_type): New function.
8824         (ia64_emit_nops): New function.
8825         (ia64_reorg): Call it.
8826         (ia64_sched_reorder): Move code that rotates bundles up a bit.
8827
8828         * reload1.c (eliminate_regs_in_insn): Restrict the special case
8829         code not to try to optimize adds with anything but a REG destination.
8830
8831         * sched-int.h (struct haifa_insn_data): Add new member priority_known.
8832         (INSN_PRIORITY_KNOWN): New accessor macro.
8833         * haifa-sched.c (priority): Use it instead of testing priority against
8834         zero.
8835
8836 2001-02-28  DJ Delorie  <dj@redhat.com>
8837
8838         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
8839         since that doesn't work the way gcc wants on a generic m68k.
8840
8841 2001-02-28  Richard Henderson  <rth@redhat.com>
8842
8843         * caller-save.c (save_call_clobbered_regs): Fix typo in
8844         comparison last change.
8845
8846 Wed Feb 28 19:31:42 CET 2001  Jan Hubicka  <jh@suse.cz>
8847
8848         * i386.c (pentium4_cost): New.
8849         (m_PENT4): New macro.
8850         (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
8851         x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
8852         x86_integer_DFmode_moves, x86_partial_reg_dependency,
8853         x86_memory_mismatch_stall): Add Pentium4
8854         (x86_use_q_reg, x86_use_any_reg): Kill.
8855         (override_options): Add pentium4.
8856         (incdec_operand): Return 0 for pentium4.
8857         (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
8858         * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
8859         (TARGET_PENTIUM4): Define.
8860         (enum processor_type): Add PROCESSOR_PENTIUM4.
8861         (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
8862         * i386.md (attribute "cpu"): Add pentium4.
8863         * invoke.texi (march): Add pentium4.
8864
8865 Wed Feb 28 19:28:06 CET 2001  Jan Hubicka  <jh@suse.cz>
8866
8867         * i386.md (sse_mov?fcc*): New patterns and splitters.
8868         * i386.c (ix86_expand_movcc): Work post-reload; recognize
8869         the SSE based conditional moves.
8870
8871 Wed Feb 28 19:18:23 CET 2001  Jan Hubicka  <jh@suse.cz>
8872
8873         * i386.md (attribute mode): Add "TI".
8874         (movsf_1): Add pxor support; remove constant propagation splitter.
8875         (movdf_integer): Likewise.
8876         (movdf_nointeger): Likewise.
8877         (movxf constant prop splitter): Handle all modes; update for SSE.
8878         * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
8879         * i386.c (standard_80387_constant_p): Rewrite.
8880         (standard_sse_constant_p): New.
8881         * i386-protos.h (standard_sse_constant_p): New.
8882
8883 Wed Feb 28 19:05:37 CET 2001  Jan Hubicka  <jh@suse.cz>
8884
8885         * i386.md (sse_setccsf, sse_setccdf): New.
8886         (sse_cmp* patterns): Use '%D' instead of outputtting condition
8887         flag directly.
8888         * i386.c (sse_comparison_operator): Accept the supported unordered
8889         comparses; be ready for fast_math.
8890         (print_operand): Support 'D'.
8891
8892 Wed Feb 28 18:54:51 CET 2001  Jan Hubicka  <jh@suse.cz>
8893
8894         * jump.c (reversed_comparison_code): Kill.
8895
8896 Wed Feb 28 18:50:15 CET 2001  Jan Hubicka  <jh@suse.cz>
8897
8898         * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
8899         for STACK_REGS
8900
8901 Wed Feb 28 18:47:37 CET 2001  Jan Hubicka  <jh@suse.cz>
8902
8903         * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
8904         add missing '%' in constraints.
8905
8906 Wed Feb 28 17:24:24 CET 2001  Jan Hubicka  <jh@suse.cz>
8907
8908         * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
8909         for HOST_BITS_PER_WIDE_INT == 32 too.
8910
8911 Wed Feb 28 17:22:35 CET 2001  Jan Hubicka  <jh@suse.cz>
8912
8913         * caller-save.c (reg_save_code, reg_restore_code):  Index by mode, not
8914         NREGS.
8915         (insert_save, insert_restore): New parameter save_mode.
8916         (init_caller_save): Update initialization of reg_save_code
8917         and reg_restore_code.
8918         (save_call_clobbered_regs):  Compute save_modes and update calls to
8919         reg_save_code and reg_restore_code.
8920         (insert_restore):  Unsignetize numbers; use save_modes to choose mode
8921         of spill; update use of reg_restore_code.
8922         (insert_save):  Likewise.
8923         * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8924         * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8925         * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
8926
8927 Wed Feb 28 17:19:28 CET 2001  Jan Hubicka  <jh@suse.cz>
8928
8929         * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
8930         noce_try_store_flag_inc, noce_try_store_flag_mask,
8931         noce_try_cmove_arith):
8932         Use reversed_comparison_code instead of reverse_comparison and
8933         can_reverse_comparison_p.
8934
8935 Wed Feb 28 17:17:29 CET 2001  Jan Hubicka  <jh@suse.cz>
8936
8937         * jump.c (reversed_comparison_code_parts): Allow reversal of
8938         unordered compares in -ffast-math mode; reverse ordered compares
8939         for FP even w/o -ffast-math.
8940
8941 2001-02-27  Richard Henderson  <rth@redhat.com>
8942
8943         * print-rtl.c (print_rtx) [i]: Don't print field five on
8944         NOTEs other than NOTE_INSN_DELETED_LABEL.
8945
8946 2001-02-27  Zack Weinberg  <zackw@stanford.edu>
8947
8948         * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
8949         * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
8950
8951 2001-02-27  Diego Novillo  <dnovillo@redhat.com>
8952
8953         * c-common.c (walk_stmt_tree): Visit the chain of the current tree
8954         even if walk_subtrees is 0.
8955         * c-semantics.c (prune_unused_decls): Return a non-null value to
8956         stop traversing the tree chain.
8957
8958 2001-02-27  DJ Delorie  <dj@redhat.com>
8959
8960         * config/m68k/m68k.c (output_function_prologue): Save the new CFA
8961         register, *then* define it as the new CFA.
8962
8963 Tue Feb 27 16:49:13 2001  Jeffrey A Law  (law@cygnus.com)
8964
8965         * pa.c (override_options): Promote -fpic to -fPIC.
8966         (legitimize_pic_address): Simplify due to removal of
8967         small PIC as a code generation option.
8968         (secondary_reload_class): Similarly.
8969         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
8970         (PRINT_OPERAND_ADDRESS): Similarly.
8971         * pa.md (various patterns): Similarly.
8972         (small pic lo_sum pattern): Remove.
8973
8974 Tue Feb 27 16:01:13 CET 2001  Jan Hubicka  <jh@suse.cz>
8975                               Fergus Henderson
8976
8977         * md.texi (min, max): Document
8978
8979 Tue Feb 27 15:51:35 CET 2001  Jan Hubicka  <jh@suse.cz>
8980
8981         * i386.md (movsf, movdf): Use movaps for reg-reg moves if
8982         TARGET_PARTIAL_REG_DEPENDENCY.
8983         (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
8984
8985 Tue Feb 27 15:36:48 CET 2001  Jan Hubicka  <jh@suse.cz>
8986
8987         * i386.md (mins*, maxs*): New patterns, expanders and splitters.
8988
8989 2001-02-26  Jeffrey Oldham  <oldham@codesourcery.com>
8990
8991         * mips.c (mips_make_temp_file): Fix thinko in last change.
8992
8993 2001-02-26  Jason Eckhardt  <jle@redhat.com>
8994
8995         * combine.c (known_cond): Do not reverse the condition when
8996         SMAX/UMAX is being considered and the condition is for equality
8997         or inequality.
8998
8999         * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
9000
9001 2001-02-26  Philip Blundell  <philb@gnu.org>
9002
9003         * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
9004         "armv2-*-linux".
9005         * config/arm/linux-elf.h: Remove historical relics related to
9006         above configurations.
9007         * config/arm/linux-oldld.h: Delete.
9008         * config/arm/linux-elf26.h: Delete.
9009
9010 2001-02-26  Jason Merrill  <jason@redhat.com>
9011
9012         * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
9013         definitions.
9014         * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
9015         recognize a tentative definition.  Lose obsolete code.
9016
9017         * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
9018         variables unless necessary, either.
9019
9020 2001-02-25  Richard Henderson  <rth@redhat.com>
9021
9022         * ifcvt.c (struct noce_if_info): Add test_bb.
9023         (noce_get_alt_condition): New.
9024         (noce_try_minmax, noce_try_abs): New.
9025         (noce_operand_ok): New.
9026         (noce_process_if_block): Use them.
9027         * rtlanal.c (may_trap_p): NEG and ABS can never trap.
9028
9029 Sun Feb 25 14:26:17 2001  Christopher Faylor <cgf@cygnus.com>
9030
9031         * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
9032         include.
9033
9034 2001-02-25  Zack Weinberg  <zackw@stanford.edu>
9035
9036         * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
9037         * config/mips/mips.c (mips_make_temp_file): Set temp_filename
9038         properly.
9039         (mips_asm_file_end): Free temp_filename here.
9040
9041 Sun Feb 25 08:34:23 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9042
9043         * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
9044         * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
9045
9046         * config/i386/i386.md (movstrsi): Handle FAIL case.
9047
9048 2001-02-25  Neil Booth  <neil@daikokuya.demon.co.uk>
9049
9050         * cppinit.c (builtin_array): Update.
9051         (init_builtins): Flag builtins to warn if redefined or
9052         undefined.  Define __GXX_WEAK as a normal macro.
9053         * cpplib.c (do_undef): Warn if flagged NODE_WARN.
9054         * cpplib.h (NODE_WARN): New flag.
9055         * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
9056         Handle __STDC__ as a builtin only on Solaris.
9057         (warn_of_redefinition): Renamed from check_macro_definition.
9058         Reverse sense of test.  Always warn if NODE_WARN.
9059         (_cpp_create_definition): Use warn_of_redefinition.  Flag
9060         any macro beginning with "__STDC_" to require a mandatory
9061         warning if redefined or undefined.
9062
9063 2001-02-24  Zack Weinberg  <zackw@stanford.edu>
9064
9065         * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
9066         i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
9067         i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
9068         i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
9069         m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
9070         mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
9071         Don't define any of:
9072         USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
9073         P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
9074         NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
9075         index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
9076         STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
9077
9078         * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
9079         fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
9080         definitions.
9081
9082         * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
9083         Delete now-empty file.
9084
9085         * alpha/vms.h: Define NEED_ATEXIT here...
9086         * alpha/xm-vms.h: ...not here.
9087
9088         * i386/cygwin.h: Don't define PARAMS.
9089         * mips/mips.c: Don't prototype mktemp.  Don't define
9090         P_tmpdir.  Use make_temp_file to create temporary files.
9091         Don't be clever and delete temporary files early.
9092         * config.gcc: Drop references to deleted files.  Don't define
9093         FULL_PROTOTYPES.
9094         * gcc.texi: Don't mention USE_PROTOTYPES.
9095
9096 Sat Feb 24 20:25:29 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9097
9098         * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
9099         (ix86_set_move_mem_attrs_1): Likewise.
9100         * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
9101         * config/i386/i386.md (movstrsi): Call it.
9102
9103 2001-02-24  Zack Weinberg  <zackw@stanford.edu>
9104
9105         * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
9106         x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
9107         ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
9108         rs6000/x-aix41-gld.  These are nonexistent, empty, or obsolete.
9109
9110         (i750a-*-*): Error here if hosting on i750a.
9111         (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
9112
9113         * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
9114         Remove (empty modulo comments).
9115
9116         * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
9117         alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
9118         i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
9119         i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
9120         mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
9121         rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
9122
9123         * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
9124         Remove reference to winnt.h in comment.
9125         * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
9126
9127 2001-02-24  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
9128
9129         * loop.c (check_dbra_loop): A biv has uses besides counting if it is
9130         used to set another biv.
9131
9132 Sat Feb 24 06:45:21 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9133
9134         * tree.h (BLOCK_DEAD): New macro.
9135         (struct tree_block): New flag, dead_flag.
9136         * print-tree.c (print_node, case 'b'): Print missing fields.
9137         * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
9138         * function.c (identify_blocks): Enable test for misplaced notes.
9139         (all_blocks): Skip BLOCK_DEAD blocks.
9140         * integrate.c (integrate_decl_tree): Likewise.
9141
9142         * errors.c (internal_error, trim_filename): New functions.
9143         (fancy_abort): Call internal_error.
9144         * errors.h (internal_error, trim_filename): New declarations.
9145
9146 2001-02-24  Alexandre Oliva  <aoliva@redhat.com>
9147
9148         * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
9149         2000-08-26's patch.
9150         (EXTRA_CONSTRAINT): Formatting changes.
9151
9152 2001-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9153
9154         * rtl.c (rtl_check_failed_code2): Fix typo in last change.
9155
9156 2001-02-23  Per Bothner  <per@bothner.com>
9157
9158         * gcc.c (record_temp_file, pfatal_with_name, error):  Make non-static,
9159         so they can be called from java/jvspec.c.
9160         * gcc.h (record_temp_file, pfatal_with_name, error):  Declare.
9161
9162 Sat Feb 24 03:32:50 CET 2001  Jan Hubicka  <jh@suse.cz>
9163
9164         * i386.c (ix86_frame): New structure.
9165         (ix86_compute_frame_size): Kill.
9166         (ix86_compute_frame_layout): New.
9167         (ix86_save_reg): New.
9168         (ix86_can_use_return_insn_p): Use frame layout stuff.
9169         (ix86_expand_prologue): Likewise.
9170         (ix86_expand_epilogue): Likewise.
9171         (ix86_initial_elimination_offset): Likewise.
9172         (ix86_nsaved_regs): Use ix86_save_reg.
9173         (ix86_emit_save_regs): Likewise.
9174
9175 Sat Feb 24 03:30:38 CET 2001  Jan Hubicka  <jh@suse.cz>
9176
9177         * flow.c (find_sub_basic_blocks): New function.
9178         (split_block): Be ready for basic block introduced by CODE_LABEL.
9179         (commit_one_edge_insertion): Call find_sub_basic_block.
9180
9181         * flow.c (make_edges): Add edge from entry for blocks starting with
9182         label having ALTERNATE_NAME
9183
9184 Sat Feb 24 03:19:42 CET 2001  Jan Hubicka  <jh@suse.cz>
9185
9186         * function.c (epilogue_done): Be ready for first basic block not
9187         containing PROLOGUE_END note.
9188         (reposition_prologue_and_epilogue_notes): Avoid placing
9189         PROLOGUE_END note between BASIC_BLOCK.
9190
9191 Sat Feb 24 03:17:09 CET 2001  Jan Hubicka  <jh@suse.cz>
9192
9193         * loop.c (canonicalize_condition): Move to reversed_comparison_code.
9194
9195 2001-02-21  DJ Delorie  <dj@redhat.com>
9196
9197         * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
9198         check for current_function_has_nonlocal_goto from 1999-11-12.
9199
9200 Fri Feb 23 15:28:39 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9201
9202         * diagnostic.c (trim_filename): No longer static.
9203         * toplev.h (trim_filename): Declare.
9204         * rtl.c (rtl_check_failed_bounds): Call internal_error.
9205         (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
9206         (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
9207         (rtvec_check_failed_bounds): Likewise.
9208         * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
9209
9210         * convert.c (convert_to_integer): Don't do unsigned unless result or
9211         both inputs are unsigned.
9212
9213         * fold-const.c (fold_convert): Don't call size_int_type_wide if
9214         input overflows.
9215
9216         * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
9217
9218         * varasm.c (output_constant): Recompute CODE after lang-specific fn.
9219
9220 2001-02-23  Jeffrey Oldham  <oldham@codesourcery.com>
9221
9222         * Makefile.in (resource.o): Add params.h dependence.
9223         * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
9224         * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
9225         * resource.c: Add dependence on params.h.
9226         (current_live_regs): Fix explanatory comment.
9227         (find_basic_block): Add new parameter to permit limiting search
9228         for a BARRIER.
9229         (mark_target_live_regs): Add new argument to find_basic_block call.
9230         (incr_ticks_for_insn): Likewise.
9231
9232 2001-02-23  Gabriel Dos Reis  <gdr@merlin.codesourcery.com>
9233
9234         * diagnostic.c (output_to_stream): Rename to
9235         output_buffer_to_stream. Loses the stream parameter.
9236         (init_output_buffer): Set diagnosic_buffer's stream.
9237         (flush_diagnostic_buffer): Adjust.
9238         (default_print_error_function): Likewise.
9239         (finish_diagnostic): Likewise.
9240         (verbatim): Likewise.
9241
9242         * diagnostic.h (struct output_buffer): Add `stream' field.
9243         (output_buffer_attached_stream): New macro.
9244
9245 2001-02-23  Jakub Jelinek  <jakub@redhat.com>
9246
9247         * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
9248         check if either operand is divisible by C.
9249         (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
9250         If type is signed, consider negative numbers as well.
9251
9252 2001-02-22  Richard Henderson  <rth@redhat.com>
9253
9254         * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
9255         reach .text instead of gp-relative relocs.
9256         * config/ia64/crtend.asm (.init): Likewise.
9257
9258 2001-02-22  Andreas Jaeger  <aj@suse.de>
9259
9260         * extend.texi (C++ Attributes): Fix typo.
9261
9262 2001-02-21  David Mosberger  <davidm@hpl.hp.com>
9263
9264         * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
9265         functions, drop current_function_args_info.words test.
9266         (ia64_compute_frame_size): Mark syscall_linkage functions as
9267         using eight input registers.
9268
9269 2001-02-21  Loren J. Rittle  <ljrittle@acm.org>
9270         Bruce Korb  <bkorb@gnu.org>
9271
9272         * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
9273         * fixinc/README: Document how to convert sed substitutions
9274         to format style c_fix-es.
9275         * fixinc/fixincl.x: regen
9276
9277 2001-02-21  Jeffrey D. Oldham  <oldham@codesourcery.com>
9278
9279         * gcc.c: Add comment explaining how to add a command-line option.
9280         Add title to specs language comment.
9281
9282 2001-02-21  Jeffrey Oldham  <oldham@codesourcery.com>
9283
9284         * gcc.c (cc1_options): Add "-param".
9285         (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
9286         (option_map): Likewise.
9287         * toplev.c (display_help): Add entry for "--param".
9288         (independent_decode_option): Fix typographical error.
9289
9290 Wed Feb 21 18:57:28 CET 2001  Catherine Moore  <clm@redhat.com>
9291                               Bernd Schmidt  <bernds@redhat.com>
9292                               Jan Hubicka  <jh@suse.cz>
9293
9294         * i386.c (function_arg_advance):  Pass SSE arguments in registers.
9295         (function_arg): Likewise.
9296
9297 Wed Feb 21 18:12:41 CET 2001  Jan Hubicka  <jh@suse.cz>
9298
9299         * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
9300
9301 2001-02-21  Kazu Hirata  <kazu@hxi.com>
9302
9303         * config/h8300/h8300.md (iorsi3): Do not output an extra newline
9304         character.
9305         (xorsi3): Likewise.
9306
9307 Wed Feb 21 17:35:24 CET 2001  Jan Hubicka  <jh@suse.cz>
9308
9309         * flow.c (init_propagate_block_info): Canon address and use single_set
9310         for killing dead memory stores.
9311
9312 2001-02-21  Jeffrey Oldham  <oldham@codesourcery.com>
9313
9314         * Makefile.in (reorg.o): Add params.h dependence.
9315         * params.def: Fix typographical error in comment.
9316         (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9317         * params.h: Modify introductory comment.
9318         (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9319         * reorg.c: Add dependence on params.h.
9320         (redundant_insn): Add parameterized throttle for search.
9321         (fill_simple_delay_slots): Add a comment explaining a variable.
9322         Move conditional out of loop, simplifying code.
9323         (fill_eager_delay_slots): Fix typographical error in comment.
9324
9325 2001-02-20  Aldy Hernandez  <aldyh@redhat.com>
9326
9327         * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
9328
9329         * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
9330         (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
9331
9332 2001-02-21  Jason Merrill  <jason@redhat.com>
9333
9334         * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
9335         (struct tree_decl): Add uninlinable bitfield.
9336         * c-decl.c (duplicate_decls): Set it.
9337         * integrate.c (function_cannot_inline_p): Check it.
9338
9339         * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
9340         DW_AT_MIPS_linkage_name to abstract methods.
9341         (dwarf2out_abstract_function): Emit class context before calling
9342         set_decl_abstract_flags.  Don't clear DECL_ABSTRACT.
9343         (gen_subprogram_die): Remove obsolete code.
9344         (gen_member_die): Don't include clones in the member list.
9345         (gen_decl_die): Emit abstract info for clone origin.
9346         * dwarfout.c (output_type): Don't include clones in the member list.
9347         * dbxout.c (dbxout_type_methods): Ignore abstract methods.
9348         * toplev.c (note_deferral_of_defined_inline_function): Don't clear
9349         DECL_ABSTRACT on a function that already has it set.
9350
9351         * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
9352         (get_subprogram_die): Pass it in.
9353
9354 2001-02-21  Richard Earnshaw  <rearnsha@arm.com>
9355
9356         * flow.c (mark_set_1): Make not_dead unsigned long.  For
9357         non-pseudos, use it as a bitmask of the hard regs that
9358         don't die.
9359
9360 2001-02-21  Neil Booth  <neil@daikokuya.demon.co.uk>
9361
9362         * cppfiles.c: Update comments.
9363         (_cpp_read_file): Don't check for NULL filenames any more.
9364         * cppinit.c (cpp_start_read): Don't do canonicalization of
9365         in_fname and out_fname.  Use the passed file name exclusively.
9366         (_cpp_handle_options): Don't treat "-" as a command line option,
9367         but as a normal filename.
9368         (_cpp_post_options): Canonicalize in_fname and out_fname.
9369         * cppmain.c (printer_init): Don't check out_fname for NULL.
9370         * c-lex.c (orig_filename): Rename cpp_filename for clarity.
9371         (init_c_lex): Update, and use "" to represent stdin to CPP.
9372         (yyparse): Update.
9373
9374 2001-02-20  Will Cohen  <wcohen@redhat.com>
9375
9376         * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
9377         * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
9378         (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
9379         fixunstfsi_libfunc.
9380
9381 2001-02-20  Stan Shebs  <shebs@apple.com>
9382
9383         * config/rs6000/rs6000.c (output_cbranch): Output branches
9384         on separate lines instead of using ';' to separate.
9385
9386 2001-02-20  Neil Booth  <neil@daikokuya.demon.co.uk>
9387
9388         * cppinit.c (set_lang):  Move builtin handling to...
9389         (init_builtins): ...here.
9390         (_cpp_create_reader): Move call to set_lang.
9391
9392 2001-02-20  Mark Mitchell  <mark@codesourcery.com>
9393
9394         * stmt.c (expand_return): If an attempt is made to return the
9395         error_mar_node, treat the return like a return without a value.
9396
9397 2001-02-19  Zack Weinberg  <zackw@stanford.edu>
9398
9399         * sibcall.c (skip_copy_to_return_value): Call
9400         identify_call_return_value here, and return orig_insn if it
9401         returns zero.  Hardret and softret arguments now unnecessary.
9402         (call_ends_block_p): Don't call identify_call_return_value here.
9403
9404         * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
9405         's' slots in RTXen.
9406         * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
9407         * ggc.h (ggc_mark_if_gcable): Delete prototype.
9408
9409 Mon Feb 19 20:30:16 2001  Jeffrey A Law  (law@cygnus.com)
9410
9411         * pa.c (move_operand): Accept code to load the address of a
9412         symbol out of the DLT as a valid move operand.
9413         (print_operand, case 'A'): New to handle generating a DLT
9414         reference for a LO_SUM expression.
9415         * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
9416         * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
9417
9418 2001-02-19  Joseph S. Myers  <jsm28@cam.ac.uk>
9419
9420         * README, cpp.texi, gcc.texi, version.c: Update version number to
9421         3.1.
9422         * cpp.1, gcov.1, gcc.1: Regenerate.
9423
9424 2001-02-19  Neil Booth  <neil@daikokuya.demon.co.uk>
9425
9426         * cppfiles.c (stack_include_file): Generate dependencies
9427         here, and manage include_count here too.
9428         (PRINT_THIS_DEP): Delete.
9429         (_cpp_execute_include): Do not generate dependencies here,
9430         apart from the case of a missing header.  Do not manage
9431         include_count.
9432         (_cpp_read_file): Leave dependency generation to
9433         stack_include_file.
9434
9435 Mon Feb 19 10:17:47 2001  Jeffrey A Law  (law@cygnus.com)
9436
9437         * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
9438         target_cpu_default.  Remove dead assignment to
9439         target_cpu_default.
9440
9441 Mon Feb 19 16:47:39 CET 2001  Jan Hubicka  <jh@suse.cz>
9442
9443         * regclass.c (contains_reg_of_mode): Make global.
9444         (init_reg_sets): Remove contains_reg_of_mode; take into account
9445         CLASS_MAX_NREGS when looking for the proper mode.
9446         (dump_regclass): Dump only classes considered for the pseudo.
9447         (regclass): Use contains_reg_of_mode.
9448
9449 Mon Feb 19 16:45:42 CET 2001  Jan Hubicka  <jh@suse.cz>
9450
9451         * gcc.c (do_spec_1): 'n' for printing notices.
9452         * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
9453
9454 Mon Feb 19 15:51:30 CET 2001  Jan Hubicka  <jh@suse.cz>
9455
9456         * reg-stack.c (next_flags_user): Use current_block->end
9457         (swap_rtx_condition): Look for next user if flags don't die;
9458         give up on CALL_INSNs; use current_block->end.
9459
9460 Mon Feb 19 08:27:21 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9461
9462         * sibcall.c (call_ends_block_p): New function.
9463         (optimize_sibling_and_tail_recursive_call): Use it.
9464
9465 2001-02-18  Kazu Hirata  <kazu@hxi.com>
9466
9467         * config/h8300/h8300.md: Update copyright.
9468         (andsi3): Do not output an extra newline character.
9469
9470 Sun Feb 18 15:45:17 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9471
9472         * toplev.c (note_deferral_of_defined_inlined_function): Argument
9473         FNDECL may be unused.
9474
9475         * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
9476         follow jumps after first run.
9477         If -fexpensive-optimizations rerun CSE after GCSE and iterate until
9478         it doesn't change any jumps.
9479
9480 Sun Feb 18 17:05:50 2001  Jeffrey A Law  (law@cygnus.com)
9481
9482         * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
9483         ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
9484         (mostlyclean): Corresponding changes.
9485         * rtlanal.c (hard-reg-set.h): Include.
9486         (rtx_unstable_p): Do not treat the argument pointer specially
9487         if it is not a fixed register.
9488         (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
9489
9490 Sun Feb 18 15:45:17 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9491
9492         * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
9493         against last real insn in basic block.
9494         Rework to avoid gotos.
9495
9496         * Makefile.in (gcse.o): Now includes ggc.h.
9497         * gcse.c: Include ggc.h.
9498         (want_to_gcse_p): Verify expression can be in SET as valid insn.
9499         (try_replace_reg): Remove warning of uninitialize variable.
9500         (process_insert_insn): Call invalid_insn_p to validate insn.
9501         * recog.c (insn_invalid_p): Now global.
9502         See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
9503         * recog.h (insn_invalid_p): New declaration.
9504
9505         * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
9506
9507         * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
9508         assignments from FP constants since 'Y' output code can't handle it.
9509         (eligible_for_sibcall_delay): Likewise.
9510
9511         * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
9512         Call fancy_abort directly, passing args.
9513         (print_rtl_and_abort): Now a macro, like fancy_abort.
9514
9515         * final.c (output_operand_lossage): Use internal_error, not error.
9516
9517 2001-02-18  Shane Nay  <shane@agendacomputing.com>
9518
9519         * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
9520         structure shift insns.
9521
9522 2001-02-18  Mark Mitchell  <mark@codesourcery.com>
9523
9524         * invoke.texi (-fsquangle): Remove documentation.
9525         (-fname-mangling-version): Likewise.
9526
9527 2001-02-18  Lars Brinkhoff  <lars@nocrew.org>
9528
9529         * optabs.c (expand_abs): Remove reference to
9530         HAVE_contitional_arithmetic.
9531         * combine.c (simplify_set): Likewise.
9532
9533 2001-02-18  Richard Henderson  <rth@redhat.com>
9534
9535         * ifcvt.c (dead_or_predicable): Don't move code if eh regions
9536         would be disrupted.
9537
9538 2001-02-18  Richard Henderson  <rth@redhat.com>
9539
9540         * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
9541
9542         * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
9543
9544         * reload1.c (reload_cse_simplify_set): Fix typo.
9545
9546 Sun Feb 18 09:30:09 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9547
9548         * diagnostic.c (_fatal_insn): Decrement errorcount.
9549
9550         * invoke.texi (-I): Add note avoiding use for system header files.
9551
9552         * rtl.h (add_clobbers): Remove duplicate declaration.
9553         * recog.h (added_clobbers_hard_reg_p): New declaration.
9554         * genemit.c (struct clobber_pat): New field has_hard_reg.
9555         (gen_insn): Record if added clobbers clobber hard reg.
9556         (gen_split): Avoid unused warning if number of operands is 0.
9557         (output_added_clobbers_hard_reg_p): New function.
9558         (main): Call it.
9559
9560 2001-02-18  Alan Modra <alan@linuxcare.com.au>
9561
9562         * pa.c (hppa_expand_prologue): Simplify code storing return
9563         pointer.  For large (>=8k) frames with a post_store, adjust stack
9564         pointer by 8k-64 first rather than by 64.  When testing with
9565         VAL_14_BITS_P, always use the actual value rather than the value
9566         negated.  Add blockage to prevent scheduling of spills before
9567         stack frame has been created.
9568         (hppa_expand_epilogue): Simplify code loading return pointer.
9569         Allow a slightly larger range for merge_sp_adjust_with_load case.
9570         When testing with VAL_14_BITS_P, always use the actual value.
9571
9572         * pa.c (pa_adjust_insn_length): Check that block move
9573         pattern is a set before looking at operands.
9574
9575 2001-02-17  Mark Mitchell  <mark@codesourcery.com>
9576
9577         * fold-const.c (fold_binary_op_with_conditional_arg): New
9578         function, split out from ...
9579         (fold): ... here.
9580         * tree.def (COND_EXPR): Document the use of VOID_TYPE for
9581         conditional arms that throw exceptions.
9582
9583         * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
9584         looking at a BLOCK.
9585
9586 2001-02-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9587
9588         * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
9589         define HAVE_DECL_* to 1 to mask potential backup declarations.
9590         * configure: Regenerated.
9591
9592 2001-02-17  Mark Mitchell  <mark@codesourcery.com>
9593
9594         * invoke.texi (-Woverloaded-virtual): Clarify documentation.
9595
9596 2001-02-17  Richard Henderson  <rth@redhat.com>
9597
9598         * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
9599         when replacing a memory load with a register.
9600
9601 Sat Feb 17 14:48:30 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9602                           Jan Hubicka  <jh@suse.cz>
9603
9604         * recog.c (validate_replace_src_1): New.
9605         (validate_replace_src_data): Likewise.
9606         (validate_replace_src): Use note_uses.
9607         * rtl.h (note_uses): Declare.
9608         * rtlanal.c (note_uses): New.
9609
9610 Sat Feb 17 10:52:34 CET 2001  Jan Hubicka  <jh@suse.cz>
9611
9612         * reg-stack.c (stack_def): Make field reg unsigned.
9613         (remove_regno_note): Unsignetize parameter.
9614
9615 2001-02-16  Jes Sorensen  <jes@linuxcare.com>
9616
9617         * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
9618         shladd_operand() call.
9619
9620 2001-02-16  Bruce Korb  <bkorb@gnu.org>
9621             Rodney Brown  <RodneyBrown@mynd.com>
9622
9623         * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
9624         * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
9625         machine restrictions
9626         * fixinc/fixincl.x: regen
9627
9628 Fri Feb 16 12:41:30 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9629
9630         * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
9631         Don't CSE a nop.
9632         (hash_scan_insn): Clean up calls to hash_scan_set.
9633         (compute_kill_rd): REGNO now unsigned.
9634         (try_replace_reg): Rework to use simplify_replace_rtx.
9635         (cprop_jump, cprop_cc0_jump): Likewise.
9636         (cprop_insn): Call find_reg_equal_equiv_note.
9637         Reflect changes to cprop_jump and cprop_cc0_jump.
9638
9639         * recog.c (validate_replace_src): Replace in operands of
9640         ZERO_EXTRACT in SET_DEST.
9641
9642         * cse.c (new_label_ref): New variable.
9643         (insert): Set it instead of recorded_label_ref.
9644         (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
9645         CODE_LABEL for this function, and not already in REG_LABEL note.
9646
9647 2001-02-16  Jeffrey Oldham  <oldham@codesourcery.com>
9648
9649         * resource.c (mark_referenced_resources): Fix typo in introductory
9650         comment.
9651         * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
9652         string constant.
9653
9654 2001-02-16  Jason Merrill  <jason@redhat.com>
9655
9656         * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
9657         NULL.
9658         (gen_subprogram_die): Don't abort on seeing a second definition if
9659         the previous one was abstract.  Don't replace an abstract instance
9660         in the lookup table.
9661
9662         * dwarf2out.c (dwarf2out_abstract_function): Rename from
9663         gen_abstract_function.
9664         * dwarf2out.h: Declare it.
9665         * toplev.c (note_outlining_of_inline_function): New fn.
9666         * toplev.h: Declare it.
9667         * integrate.c (output_inline_function): Call it.
9668         * c-decl.c (duplicate_decls): Call it when redefining an extern
9669         inline.  Don't inline the new defn.
9670
9671         * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
9672
9673 2001-02-16  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
9674
9675         * .gdbinit: Rename to gdbinit.in.
9676         * gdbinit.in: New file,
9677         * configure.in: Generate .gdbinit from gdbinit.in.
9678         * configure: Regenerated.
9679         * Makefile.in (distclean): Always remove .gdbinit.
9680
9681 2001-02-16  Jakub Jelinek  <jakub@redhat.com>
9682
9683         * objc/objc-act.c (start_class): Register implemented_classes with
9684         GC.
9685
9686 2001-02-16  Neil Booth  <neil@daikokuya.demon.co.uk>
9687
9688         * cppfiles.c (_cpp_make_system_header): Generate a file
9689         change callback.
9690
9691 2001-02-15  Jim Meyering  <meyering@lucent.com>
9692
9693         * Makefile.in (install-common): Don't depend on installdirs here.
9694         Instead, make each of the lang.install-common targets (e.g.,
9695         c++.install-common in cp/Make-lang.in) depend on it.
9696         (install-driver): Depend on installdirs.
9697
9698 Thu Feb 15 21:30:26 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9699
9700         * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
9701
9702         * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
9703         do in memory.
9704
9705 2001-02-15  Mark Mitchell  <mark@codesourcery.com>
9706
9707         * invoke.texi (--param): Document.
9708
9709 Thu Feb 15 15:16:38 2001  Alexandre Oliva  <aoliva@redhat.com>
9710
9711         * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
9712
9713 Thu Feb 15 10:52:31 CET 2001  Jan Hubicka  <jh@suse.cz>
9714
9715         * i386.md (extendsfdf2_2): Fix constraints.
9716
9717 Thu Feb 15 09:46:21 CET 2001  Jan Hubicka  <jh@suse.cz>
9718
9719         * i386.md (fop_df_3 splitter): Fix operand number.
9720
9721 Wed Feb 14 12:37:37 CET 2001  Jan Hubicka  <jh@suse.cz>
9722
9723         * invoke.texi (-mreg-alloc): Nuke.
9724         * i386.c (ix86_reg_alloc_order, regs_allocated,
9725         order_regs_for_local_alloc): Nuke.
9726         (override_options): Kill reg_alloc code.
9727         * i386.h (TARGET_OPTIONS): Kill reg-alloc.
9728         (REG_ALLOC_ORDER): SSE goes before I387.
9729         (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
9730         (ix86_reg_alloc_order): Likewise.
9731         * i386-protos.h (ix86_reg_alloc_order): Kill.
9732
9733 2001-02-14  Richard Henderson  <rth@redhat.com>
9734
9735         * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
9736
9737 Wed Feb 14 11:59:58 CET 2001  Jan Hubicka  <jh@suse.cz>
9738
9739         * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
9740
9741 Wed Feb 14 11:12:38 CET 2001  Jan Hubicka  <jh@suse.cz>
9742
9743         * i386-protos.h (ix86_memory_move_cost): Move offline.
9744         * i386.c (ix86_register_move_cost): Compute properly cost of
9745         SSE, MMX and i387 instructions.
9746         (*_cost): Add costs of SSE/MMX moves.
9747         (ix86_memory_move_cost): Move offline from ....; Likewise.
9748         * i386.h (MEMORY_MOVE_COST): .... here;
9749         (struct processor costs): Add new fields to represent costs
9750         of SSE/MMX moves.
9751
9752 Wed Feb 14 10:08:26 CET 2001  Jan Hubicka  <jh@suse.cz>
9753
9754         * regclass.c (init_reg_sets_1): Reinstall the optimization of
9755         move_cost together with Matt Kraai's fix.
9756
9757 2001-02-14  Jeffrey Oldham  <oldham@codesourcery.com>
9758
9759         * Makefile.in (OBJS): Add params.o.
9760
9761 2001-02-14  Richard Henderson  <rth@redhat.com>
9762             DJ Delorie  <dj@redhat.com>
9763
9764         * jump.c (jump_optimize_1): When we delete a conditional jump
9765         preceeding a non-conditional jump to effectively the same place,
9766         make sure that the combined jump skips any clobber insns between
9767         the two labels.
9768
9769 2001-02-14  Jeffrey Oldham  <oldham@codesourcery.com>
9770
9771         * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
9772
9773 2001-02-14  Mark Mitchell  <mark@codesourcery.com>
9774
9775         * Makefile.in (toplev.o): Depend on params.h.
9776         (intergate.o): Likewise.
9777         (params.o): New target.
9778         * flags.h (inline_max_insns): Remove.
9779         * integrate.c: Include params.h.
9780         Use MAX_INLINE_INSNS instead of inline_max_insns.
9781         * params.c: New file.
9782         * params.h: Likewise.
9783         * params.def: Likewise.
9784         * toplev.c: Include params.h.
9785         (lang_independent_params): New variable.
9786         (decode_f_option): Use the param machinery instead of setting
9787         max_inline_insns.
9788         (independent_decode_option): Handle "--param name=value".
9789         (main): Register language-independent parameters.
9790
9791 Wed Feb 14 11:13:45 CET 2001  Jan Hubicka  <jh@suse.cz>
9792
9793         * i386.md (pushsf, pushdf_nointeger): Fix constraint.
9794
9795 2001-02-14  Richard Henderson  <rth@redhat.com>
9796
9797         * regclass.c (init_reg_sets_1): Revert last two changes.
9798
9799 2001-02-14  Jakub Jelinek  <jakub@redhat.com>
9800
9801         * stor-layout.c (is_pending_size, put_pending_size): New functions.
9802         (variable_size): Call put_pending_size.
9803         * tree.h (is_pending_size, put_pending_size): Add prototypes.
9804         * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
9805         sizes list, put newly created SAVE_EXPR there as well.
9806
9807 2001-02-14  Jakub Jelinek  <jakub@redhat.com>
9808
9809         * config/ia64/ia64.c (last_group): Only 2 entries are needed.
9810         (errata_find_address_regs): load_group has only 2 entries.
9811         (errata_emit_nops): Likewise.  shladd is not problematic.
9812         Clear last_group if nop was emitted.
9813         (fixup_errata): load_group has only 2 entries.
9814         Optimize.
9815
9816 2001-02-14  Neil Booth  <neil@daikokuya.demon.co.uk>
9817
9818         * c-lex.c (lex_number): Only warn traditionally for U suffix
9819         outside system macros.
9820         * cppexp.c (parse_number): Similarly.
9821         * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
9822         * cppmacro.c (struct cpp_macro): New member node.
9823         (parse_args): Only warn about missing rest args if not
9824         a system macro.
9825         (funlike_invocation_p): Similarly for uninvoked funlike macros.
9826         (cpp_sys_objmacro_p): New.
9827         (_cpp_create_definition): Store the node with the macro defn.
9828         Remember if the macro is defined in a system header.
9829
9830 2001-02-13  DJ Delorie  <dj@redhat.com>
9831
9832         * configure.in (check_languages): determine languages to check
9833         * Makefile.in (check-c++): alias for check-g++
9834         (check-f77): alias for check-g77
9835         (CHECK_TARGETS): depend on configured languages
9836
9837 Wed Feb 14 01:13:59 CET 2001  Jan Hubicka  <jh@suse.cz>
9838
9839         * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9840         (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9841         (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9842         (sqrtextendsfdf2): Disable for SSE2.
9843
9844 Wed Feb 14 00:19:28 CET 2001  Jan Hubicka  <jh@suse.cz>
9845
9846         * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9847         (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9848         (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9849         (sqrtextendsfdf2): Disable for SSE2.
9850
9851 Wed Feb 14 00:11:20 CET 2001  Jan Hubicka  <jh@suse.cz>
9852
9853         * i386.md (movsfcc_1): Support integer cmove instruction.
9854         (movdfcc_1): Likewise; new splitter.
9855
9856 Tue Feb 13 23:19:27 CET 2001  Jan Hubicka  <jh@suse.cz>
9857
9858         * i386.c (output_fp_compare): Support SSE.
9859         (prepare_fp_compare_args): SSE comparisons always support memory.
9860         * i386.h (TARGET_CMOVE): SSE imply cmove.
9861         * i386.md (cmp?f2): Enable for SSE too.
9862         (cmpfp_i*): Support SSE.
9863         (cmpfp_i_sse): New.
9864         (cmpfp_i_sse_only): New.
9865         (s*, b* fp expanters): Enable for SSE too.
9866         (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
9867         New patterns.
9868
9869 Tue Feb 13 23:05:42 CET 2001  Jan Hubicka  <jh@suse.cz>
9870
9871         * regclass.c (init_reg_sets_1): Silence warning.
9872
9873 Tue Feb 13 22:03:07 CET 2001  Jan Hubicka  <jh@suse.cz>
9874
9875         * i386.md (sqrt?f2): Change to expander.
9876         (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
9877
9878 Tue Feb 13 15:42:05 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9879
9880         * rtlanal.c (find_reg_equal_equiv_note): New function.
9881         * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
9882         (simplify_gen_relational, simplify_replace_rtx): Likewise.
9883         * rtl.h: Add declarations for above functions.
9884
9885 Tue Feb 13 21:09:11 CET 2001  Jan Hubicka  <jh@suse.cz>
9886
9887         * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
9888         conditionals.
9889         * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
9890         * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
9891         * flow.c (mark_regs_live_at_end): Likewise.
9892         (calculate_global_regs_live): Likewise.
9893         * gcse.c (compute_hash_table): Likewise.
9894         (compute_kill_rd): Likewise.
9895         * resource.c (mark_target_live_regs): Likewise.
9896         * rtl.h (INVALID_REGNUM): New macro.
9897
9898 Tue Feb 13 20:59:22 CET 2001  Jan Hubicka  <jh@suse.cz>
9899
9900         * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
9901
9902 Tue Feb 13 16:32:20 CET 2001  Jan Hubicka  <jh@suse.cz>
9903
9904         * i386.md (fixsfsi2, fixdfdi2): Force operand to register
9905         for SSE.
9906
9907 Tue Feb 13 14:53:16 CET 2001  Jan Hubicka  <jh@suse.cz>
9908
9909         * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
9910         too.
9911         (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
9912         (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
9913         (fop_sf_1_sse, fop_df_1_sse): New patterns
9914         (fop_*): Disable float_extend and float patterns for SSE compilation.
9915         * i386.c (output_387_binary_op): Support SSE.
9916
9917 Tue Feb 13 14:16:34 CET 2001  Jan Hubicka  <jh@suse.cz>
9918
9919         * i386.md (dummy_extendsfdf2): Support SSE2
9920         (extendsfdf2): Enable if 80387 or SSE2.
9921         (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
9922         and no MIX_I387_SSE2
9923         (extendsfdf2_1_sse_only): New pattern.
9924         (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
9925         of SSE.
9926         (truncdfsf2_1): Support SSE.
9927         (truncdfsf2_2): Support SSE.
9928         (truncdfsf2_2_1_sse): New pattern.
9929         (fixtruncsfsi2): Always use SSE if available.
9930         (fix_truncsfsi_sse): New pattern.
9931         (fix_truncdfsi_sse): New pattern.
9932         (floatsis?f2): Support SSE.
9933         (floatsidf2_i387): New pattern.
9934         (floatsidf2_sse): Likewise.
9935
9936 Tue Feb 13 07:52:04 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9937
9938         * configure.in: Use "have_gnat" variable, not "gnat".
9939         * configure: Regenerated.
9940
9941         * config/sparc/sparc.c (function_value): Treat all non-record
9942         aggregate types like used to treat UNION_TYPE.
9943
9944 Tue Feb 13 13:31:33 CET 2001  Jan Hubicka  <jh@suse.cz>
9945
9946         * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
9947         * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
9948         (MASK_SSE2): New.
9949         (MASK_MIX_SSE_I387): New.
9950         (TARGET_SSE): SSE2 imply SSE.
9951         (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
9952         (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
9953         (enum reg_class): Add new classes.
9954         (REG_CLASS_NAMES): Likewise.
9955         (REG_CLASS_CONTENTS): Likewise.
9956         (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
9957         (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
9958         supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
9959         (CLASS_MAX_NREGS): Use new macros.
9960         (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
9961         * i386.md (pushsf, movsf): Support SSE.
9962         (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
9963         splitters to use ANY_FP_REGNO_P.
9964         (movdf_nointeger, movdf_integer): Likewise.
9965
9966 2001-02-13  Alexandre Oliva  <aoliva@redhat.com>
9967
9968         * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
9969         (try_combine): Use it.
9970
9971 Tue Feb 13 11:37:06 CET 2001  Jan Hubicka  <jh@suse.cz>
9972
9973         * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
9974         MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
9975         (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
9976         (REGISTER_MOVE_COST): Likewise.
9977         * i386-protos.h (ix86_secondary_memory_needed,
9978         ix86_preferred_reload_class, ix86_register_move_cost): Declare.
9979         * i386.c (ix86_secondary_memory_needed,
9980         ix86_preferred_reload_class, ix86_register_move_cost): New function.
9981
9982 Die Feb 13 11:04:25 CET 2001  Jan Hubicka  <jh@suse.cz>
9983
9984         * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
9985         (HARD_REGNO_MODE_OK): Move offline to ....
9986         * i386.c (ix86_hard_regno_mode_ok) ... here;
9987         refuse all incorrect modes.
9988         * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
9989
9990 2001-02-13  Richard Henderson  <rth@redhat.com>
9991
9992         * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
9993         entire operator; replicate that and match_dup the operands.
9994         (cmp_ccx_arith_op_set): Likewise.
9995         (cmp_cc_arith_op_not_set): Likewise.
9996         (cmp_ccx_arith_op_not_set): Likewise.
9997
9998 2001-02-13  Alexandre Oliva  <aoliva@redhat.com>
9999
10000         * explow.c (trunc_int_for_mode): Sign-extend value to mode.
10001
10002 2001-02-12  Geoffrey Keating  <geoffk@redhat.com>
10003
10004         * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
10005         (TARGET_NO_BITFIELD_WORD): New macro.
10006         (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
10007         (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
10008
10009 Mon Feb 12 18:13:26 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10010
10011         * cselib.c: New file, from simplify-rtx.c.
10012         * simplify-rtx.c: Remove cselib parts.
10013         * Makefile.in: Add cselib.o.
10014
10015 2001-02-12  Geoffrey Keating  <geoffk@redhat.com>
10016
10017         * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
10018         (setup_incoming_varargs): Remove warning.
10019
10020         * config/rs6000/rs6000.c (validate_condition_mode): When
10021         flag_fast_math, allow floating-point conditionals to be reversed.
10022         (rs6000_generate_compare): When flag_fast_math, don't generate
10023         cror operations for FP conditionals.
10024
10025         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
10026         -mcall-i960.
10027         (ASM_SPEC): Likewise.
10028         (CC1_ENDIAN_LITTLE_SPEC): Likewise.
10029         (CC1_SPEC): Likewise.
10030         (LINK_TARGET_SPEC): Likewise.
10031         (CPP_ENDIAN_SPEC): Likewise.
10032         * Makefile.in (check-consistency): New target.
10033
10034 2001-02-12  Joseph S. Myers  <jsm28@cam.ac.uk>
10035
10036         * c-decl.c (grokdeclarator): In C99 mode, give the more specific
10037         "return type defaults" warning for functions with return type
10038         defaulting to int.
10039         * c-lang.c (c_init): In C99 mode, enable warnings for implicit
10040         function declarations by default rather than only when pedantic.
10041
10042 Mon Feb 12 17:28:48 CET 2001  Jan Hubicka  <jh@suse.cz>
10043
10044         * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
10045         arrays.
10046
10047 2001-02-12  Nathan Sidwell  <nathan@codesourcery.com>
10048
10049         * extend.texi (Deprecated): Deprecate new initializer lists.
10050
10051 2001-02-12  Nathan Sidwell  <nathan@codesourcery.com>
10052
10053         * mkdeps.c (deps_add_default_target): Robustify. Add
10054         basename component only.
10055         * cpp.texi (-M): Describe how default target is generated.
10056         * invoke.texi (-M): Likewise.
10057
10058 2001-02-12  Kazu Hirata  <kazu@hxi.com>
10059
10060         * toplev.c (push_float_handler): Remove.
10061         (pop_float_handler): Remove.
10062         * toplev.h: Remove prototypes for the above functions.
10063
10064 2001-02-12  Jakub Jelinek  <jakub@redhat.com>
10065
10066         * c-common.c (constant_fits_type_p): New function.
10067         (convert_and_check): Use it.
10068
10069 2001-02-11  Mark Mitchell  <mark@codesourcery.com>
10070
10071         * Makefile.in (GXX_ABI_FLAG): Don't define.
10072         * configure.in (--enable-new-gxx-abi): Remove option.
10073         * config.in: Regenerated.
10074         * configure: Likewise.
10075
10076 2001-02-12  Alexandre Oliva  <aoliva@redhat.com>
10077
10078         * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
10079         basic block.
10080         (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
10081         regular basic block, and arrange for all edges into it to switch
10082         to normal mode.
10083
10084 2001-02-11  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
10085
10086         * Makefile.in (distclean): Do not remove .gdbinit.
10087
10088 2001-02-11  Mark Mitchell  <mark@codesourcery.com>
10089
10090         * Makefile.in (gcc.o): Fix typos.
10091         (protize.o): Likewise.
10092         (unprotoize.o): Likewise.
10093
10094 2001-02-11  Richard Henderson  <rth@redhat.com>
10095
10096         * tree.c (build1): Check for null operand in last change.
10097
10098 2001-02-11  Richard Henderson  <rth@redhat.com>
10099
10100         * fold-const.c (split_tree): Don't assume a constant isn't splittable.
10101         (fold): Don't assume a constant isn't foldable.
10102         * tree.c (build): Set TREE_CONSTANT for an expression with no
10103         side-effects and constant operands.
10104         (build1): Likewise.
10105
10106 2001-02-10  Richard Henderson  <rth@redhat.com>
10107
10108         * jump.c (squeeze_notes): Revert 2000-05-12 change.
10109
10110 2001-02-10  Anthony Green  <green@redhat.com>
10111
10112         * cpp.texi (Standard Predefined): Add documentation for
10113         __OPTIMIZE_SIZE__.
10114
10115         * c-common.c (combine_strings): Improve warning message.
10116
10117 2001-02-10  Geoffrey Keating  <geoffk@redhat.com>
10118
10119         * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
10120         --oformat.
10121         * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
10122
10123 Fri Feb  9 15:05:27 2001  Christopher Faylor <cgf@cygnus.com>
10124
10125         * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
10126         CYGWIN_CROSS_DIR.
10127
10128 2001-02-09  Alexandre Oliva  <aoliva@redhat.com>
10129
10130         * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
10131         fp_mode attribute.
10132
10133 2001-02-09  Nick Clifton  <nickc@redhat.com>
10134
10135         * config/arm/arm.md: Change output contraint on post inc
10136         load/store multiple patterns to be a read/write contraint.
10137
10138 2001-02-09  Neil Booth  <neil@daikokuya.demon.co.uk>
10139
10140         * gcc.c (cpp_options): Delete .d files on error.  Don't delete
10141         .o files when using the -M options.
10142
10143 2001-02-08  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
10144             David Edelsohn  <edelsohn@gnu.org>
10145
10146         * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
10147         handle DImode constants.  Use one TOC entry for SImode and smaller
10148         constants, aligned properly.
10149
10150 2001-02-08  Jason Merrill  <jason@redhat.com>
10151
10152         * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
10153         about the SP adjustment for saving the static chain pointer.
10154         * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
10155         offset when setting a temporary CFA register.
10156
10157 2001-02-08  Chandrakala Chavva  <cchavva@redhat.com>
10158
10159         * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
10160         powerpc-*-chorusos* .
10161         * config/rs6000/chorus.h : New file.
10162         * config/i386/chorus.h : New file.
10163         * config/sparc/chorus.h : New file.
10164         * config/sparc/t-chorus-elf : New file.
10165
10166 2001-02-08  David Edelsohn  <edelsohn@gnu.org>
10167
10168         * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
10169         * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
10170         * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
10171         (__WCHAR_TYPE__): Correct macro name.
10172
10173 2001-02-08  Richard Henderson  <rth@redhat.com>
10174
10175         * config/i386/i386.c (ix86_frame_pointer_required): New.
10176         (ix86_setup_frame_addresses): New.
10177         (struct machine_funciton): Add accesses_prev_frame.
10178         * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
10179         ix86_frame_pointer_required.
10180         (SUBTARGET_FRAME_POINTER_REQUIRED): New.
10181         (SETUP_FRAME_ADDRESSES): New.
10182         * config/i386/i386-protos.h: Update.
10183         * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
10184         from FRAME_POINTER_REQUIRED.
10185         * config/i386/svr3gas.h: Likewise.
10186         * config/i386/sysv3.h: Likewise.
10187         * config/i386/v3gas.h: Likewise.
10188
10189 2001-02-08  Richard Henderson  <rth@redhat.com>
10190
10191         * config/sparc/sparc.c (function_arg_record_value_3): Fix
10192         calculation of the number of integer registers required.
10193         (function_arg_record_value): Likewise.
10194
10195 2001-02-08  Jason Merrill  <jason@redhat.com>
10196
10197         * diagnostic.c (internal_error): Say "confused" after 1 error, not
10198         two.  Print file and line with "confused" message.
10199
10200         * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
10201
10202 Thu Feb  8 11:21:28 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10203
10204         * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
10205
10206 2001-02-08  Bernd Schmidt  <bernds@redhat.com>
10207
10208         * final.c (cleanup_subreg_operands): The address of a MEM can
10209         contain SUBREGs.
10210
10211         * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
10212         for asms, too.
10213
10214 2001-02-08  Joseph S. Myers  <jsm28@cam.ac.uk>
10215
10216         * gcc.texi (Incompatibilities): Update documentation of
10217         preprocessing numbers.
10218
10219 2001-02-07  Jakub Jelinek  <jakub@redhat.com>
10220
10221         * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
10222
10223 2001-02-07  Mark Mitchell  <mark@codesourcery.com>
10224
10225         * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
10226
10227         * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
10228         * gcc.c (struct compiler): Add cpp_spec field.
10229         (input_file_compiler): New variable.
10230         (do_spec_1): Allow a particular compiler to handle `%C'
10231         specially.
10232         (main): Store the current compiler in input_file_compiler.
10233         * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
10234
10235 2001-02-07  Zack Weinberg  <zack@wolery.stanford.edu>
10236
10237         * cpphash.h (struct spec_nodes): Add n_true and n_false.
10238         * cppinit.c (cpp_create_reader): Initialize them.
10239         (append_include_chain): cxx_aware arg might be unused.
10240         * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
10241         keywords and give them their phase 7 meaning.  Pedwarn about
10242         this unless '__bool_true_false_are_defined' is defined.
10243
10244 2001-02-07  Alexandre Oliva  <aoliva@redhat.com>
10245
10246         * lcm.c (optimize_mode_switching): Emit mode_set before the
10247         JUMP_INSN of an abnormal edge.
10248
10249 2001-02-07  Bernd Schmidt  <bernds@redhat.com>
10250
10251         * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
10252         a scheduling barrier at the end.
10253
10254         * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
10255
10256 2001-02-07  Alexandre Oliva  <aoliva@redhat.com>
10257
10258         * config/sh/sh.md (reload_outsf): Removed.
10259         (movsf_ie): Introduce constraints for FPUL loads and stores.
10260         (reload_insf): Broaden the output constraint.
10261
10262         * config/elfos.h (INT_ASM_OP): Don't define it if it's already
10263         defined.
10264         * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
10265         ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
10266
10267 2001-02-06  Chandrakala Chavva  <cchavva@redhat.com>
10268
10269         * final.c: Revert my previous changes.
10270         * output.h: Make profile_label_no extern.
10271         * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
10272         for generating label.
10273
10274 2001-02-06  Laurynas Biveinis  <lauras@softhome.net>
10275
10276         * config/i386/djgpp.h: Add comments about standard paths.
10277         (MD_EXEC_PREFIX): Undefine before defining.
10278         (MD_STARTFILE_PREFIX): New.
10279
10280 2001-01-30  Bruce Korb  <bkorb@gnu.org>
10281
10282         fixinc/fixincl.c(process):  Emit error message only if appropriate :)
10283         (load_file): do not rely on load_file_data() to close file pointer
10284         fixinc/fixlib.c(load_file_data): do not close passed in file pointer
10285         fixinc/inclhack.def(irix_limits_const): add test_text
10286
10287 2001-02-06  Neil Booth  <neil@daikokuya.demon.co.uk>
10288
10289         * cppexp.c (parse_defined): Improve diagnostics for invalid
10290         syntax.
10291
10292 2001-02-06  Neil Booth  <neil@daikokuya.demon.co.uk>
10293
10294         * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
10295
10296 2001-02-06  Mark Mitchell  <mark@codesourcery.com>
10297
10298         * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
10299         * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
10300         * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
10301         (rs6000_output_symbol_ref): New function.
10302         (output_toc): Use VTABLE_NAME_P.
10303
10304 Tue Feb  6 07:54:51 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10305
10306         * print-tree.c (print_node, case PARM_DECL):
10307         Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
10308
10309         * stor-layout.c (reference_types_internal): New variable.
10310         (internal_reference_types): New function.
10311         (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
10312         * tree.h (internal_reference_types): New declaration.
10313
10314         * cse.c (find_best_addr): Fix typo in computing cost.
10315
10316 Mon Feb  5 21:56:16 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10317
10318         * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
10319         and this is the sum of a pointer and a constant, we know the result
10320         did not overflow.
10321         (num_sign_bit_copies, case PLUS): Likewise.
10322         * explow.c (convert_memory_address): Remove opposite SUBREG.
10323         * function.c (instantiate_new_reg): New function (from common code).
10324         (instantiate_virtual_regs_1): Call it.
10325         For PLUS, handle if (plus (subreg (virt-reg) (const_int))
10326         if pointers sign- or zero-extend.
10327         * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
10328         If pointers extend unsigned, use inside of SUBREG.
10329         (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
10330
10331 2001-02-05  Benjamin Kosnik  <bkoz@redhat.com>
10332
10333         * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
10334         subdir of gcc_gxx_include_dir.
10335         (gcc_gxx_target_include_dir): Remove.
10336
10337 2001-02-05  Jeffrey Oldham  <oldham@codesourcery.com>
10338
10339         * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
10340         (dwarf2out_frame_debug_expr): Revise introductory comments to add
10341         a high-level description.
10342
10343 2001-02-05  Chandrakala Chavva  <cchavva@redhat.com>
10344
10345         * final.c: Move the declaration of profile_label_no to ...
10346         * output.h: ... here.
10347         * function.c (expand_function_start): Call PROFILE_HOOK.
10348         * config/rs6000/aix.h: Define PROFILE_HOOK.
10349         * config/rs6000/rs6000-protos.h: output_profile_hook new.
10350         * config/rs6000/rs6000.c (output_profile_hook): Define.
10351         (output_prolog): Do nothing for ABI_AIX as it is taken care by
10352         output_profile_hook.
10353         tm.texi : Explain new macro PROFILE_HOOK.
10354
10355 2001-02-06  Hans-Peter Nilsson  <hp@axis.com>
10356
10357         * extend.texi (Extended Asm): Do not say that semicolon is always
10358         a valid line-breaking character for GNU assemblers.  Use
10359         newline-tab as the most commonly supported syntax.  Use
10360         newline-tab rather than semicolon in multi-insn examples.
10361
10362 2001-02-05  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
10363
10364         * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
10365
10366 2001-02-05  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
10367             David Edelsohn  <edelsohn@gnu.org>
10368
10369         * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
10370         code for AIX, even without flag_pic.
10371
10372 2001-02-05  Jakub Jelinek  <jakub@redhat.com>
10373
10374         * c-typeck.c (common_type): push and pop binding level around
10375         calling common_type on function parameters.
10376
10377 Mon Feb  5 14:30:37 2001  Christopher Faylor <cgf@cygnus.com>
10378
10379         * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
10380
10381 Mon Feb  5 11:23:16 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10382
10383         * config/mips/mips.c (override_options): Fix typo in last change.
10384         (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
10385         (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
10386
10387 2001-02-05  Nathan Sidwell  <nathan@codesourcery.com>
10388
10389         * invoke.texi (-fdump-class-layout): Document.
10390         (-fdump-translation-unit): Use `=' as filename separator.
10391
10392 2001-02-05  Mark Mitchell  <mark@codesourcery.com>
10393
10394         * Makefile.in (s-mlib): Don't build multilibs if
10395         --disable-multilib.
10396         (DRIVER_DEFINES): Adjust accordingly.
10397         (gcc.o): Likewise.
10398         (protoize.o): Likewise.
10399         (unprotoize.o): Likewise.
10400         * configure.in: Recognize --enable-multilib.
10401
10402 2001-02-04  Mark Mitchell  <mark@codesourcery.com>
10403
10404         * Makefile.in (DRIVER_DEFINES): Fix quoting.
10405
10406         * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
10407         * configure.in: Remove --enable-libstdcxx_v3 support.
10408         * configure: Regenerated.
10409
10410 Sun Feb  4 15:52:44 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10411
10412         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
10413         Call abort instead of fatal.
10414         (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
10415         * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
10416         (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
10417         (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
10418         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
10419         * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
10420
10421         * diagnostic.h (set_internal_error_function): Renamed.
10422         * toplev.h (internal_error): Renamed from fatal.
10423         (pfatal_with_name): Deleted.
10424         (fatal_io_error): Now has printf-style arguments.
10425         * diagnostic.c (pfatal_with_name): Deleted.
10426         (fatal_io_error): Rework to have args in printf-style.
10427         (set_internal_error_function): Renamed from set_fatal_function.
10428         (internal_error): Renamed from fatal.
10429         (error_recursion, fancy_abort): Call internal_error instead of fatal.
10430         * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
10431         * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
10432         * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
10433         * flow.c (verify_flow_info): Likewise.
10434         * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
10435         * config/mips/mips.c (save_restore_insns): Likewise.
10436
10437         * except.c (duplicate_eh_handlers): Call abort instead of fatal.
10438         * flow.c (verify_flow_info): Likewise.
10439         * config/arm/arm.c (thumb_load_double_from_address): Likewise.
10440         * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
10441         (avr_normalize_condition): Likewise.
10442         * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
10443         * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
10444         (limit_reload_class, double_reg_to_memory): Likewise.
10445         (print_operand_address, emit_1600_code_shift): Likewise.
10446         (gen_tst_reg, gen_compare_reg): Likewise.
10447         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
10448         * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
10449         Deleted.
10450         * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
10451
10452         * c-parse.in (methoddef): Call fatal_error instead of fatal.
10453         * objc/objc-act.c (build_ivar_chain): Likewise.
10454         * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
10455         pfatal_with_name.
10456         * graph.c (clean_graph_dump_file): Likewise.
10457         * profile.c (init_branch_prob): Likewise.
10458         * objc/objc-act.c (objc_init): Likewise.
10459
10460         * config/arm/arm.c (arm_override_options): Make errors non-fatal.
10461         * config/avr/avr.c (avr_override_options): Likewise.
10462         * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
10463         * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
10464         * config/h8300/h8300.c (h8300_init_once): Likewise.
10465         * config/mips/mips.c (override_options): Likewise.
10466         * config/i386/i386.c (override_options): Likewise, rework.
10467         * config/m68k/m68k.c (override_options): Likewise.
10468
10469         * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
10470         instead of fatal.
10471         * config/mips/mips.c (print_operand): Likewise.
10472         * hash.c (hash_allocate): Don't check for failure returns from
10473         obstack functions that can't fail.
10474         (hash_table_init_n, hash_table_init): Likewise; also now return void.
10475         * hash.h (hash_table_init_n, hash_table_init): Now return void.
10476         * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
10477         (get_object_reference): Likewise.
10478
10479 2001-02-04  Nick Clifton  <nickc@redhat.com>
10480
10481         * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
10482         StrongARM1110, 10TDMI, and 1020T.
10483
10484 2001-02-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10485
10486         * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
10487
10488 2001-02-04  Alexandre Oliva  <aoliva@redhat.com>
10489
10490         * config/sh/sh.md (movdf load split): Pass register number to
10491         FP_OR_XD_REGISTER_P.
10492
10493 2001-02-04  Mark Mitchell  <mark@codesourcery.com>
10494
10495         * cppinit.c (BC): New macro.
10496         (builtin_array): Add __GXX_WEAK__.
10497         * cpplib.h (builtin_type): Add BT_WEAK.
10498         * cppmacro.c (builtin_macro): Handle BT_WEAK.
10499         * defaults.h (SUPPORTS_ONE_ONLY): Define.
10500         * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
10501
10502 2001-02-03  Jakub Jelinek  <jakub@redhat.com>
10503
10504         * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
10505
10506 2001-02-03  Neil Booth  <neil@daikokuya.demon.co.uk>
10507
10508         * cpphash.h: Rename _ALIGN POOL_ALIGN.
10509         * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10510
10511 2001-02-03  Neil Booth  <neil@daikokuya.demon.co.uk>
10512
10513         * cpphash.h: Rename ALIGN _ALIGN.
10514         * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10515
10516 Fri Feb  2 23:15:29 2001  Christopher Faylor <cgf@cygnus.com>
10517
10518         * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
10519         compilation environment.
10520         * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
10521         control over location of cygwin includes and libs.
10522
10523 2001-02-03  Michael Hayes  <m.hayes@elec.canterbury.ac.nz)
10524
10525         * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
10526
10527 2001-02-02  lars brinkhoff  <lars@nocrew.org>
10528
10529         * md.texi (Standard Names): remove reference to spur.md.
10530
10531 2001-02-03  Michael Hayes  <m.hayes@elec.canterbury.ac.nz)
10532
10533         * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
10534         (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
10535         (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
10536         * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
10537         (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
10538
10539 2001-02-03  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10540
10541         * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
10542         c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
10543         number before reload.
10544         (c4x_adjust_cost): Return zero before reload.
10545         * c4x.md (load_immed_address+1, load_immed_address+2): Do not
10546         split before reload.
10547
10548 2001-02-03  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10549
10550         * c4x.c (c4x_hard_regno_rename_ok): New.
10551         * c4x-protos.h (c4x_hard_regno_rename_ok): New.
10552         * c4x.h (HARD_REGNO_RENAME_OK): Define.
10553
10554 Fri Feb  2 20:03:50 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10555
10556         * diagnostic.h: Add missing "extern" in all declarations.
10557
10558 2001-02-02  Alex Samuel  <samuel@codesourcery.com>
10559
10560         * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
10561         as for gcc_gxx_include_dir.
10562
10563 2001-02-02  Neil Booth  <neil@daikokuya.demon.co.uk>
10564
10565         * cpp.texi, invoke.texi: Update -Wtraditional documentation.
10566
10567 2001-02-02  Alexandre Oliva  <aoliva@redhat.com>
10568
10569         * config/sh/sh.c (output_far_jump): Don't use braf on SH1.  Emit
10570         label before alignment to be used as the braf base address.
10571         * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
10572         branches.
10573         (casesi_jump_2): Require at least TARGET_SH2.
10574
10575         * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
10576         truncation to 32-bit doubles on -m3e and -m4-single-only.
10577
10578 2001-02-02  Mark Mitchell  <mark@codesourcery.com>
10579
10580         * gcc.c (init_gcc_specs): New function.  Make -shared-libgcc
10581         the default when building a shared object.
10582         (init_spec): Use it.
10583         * testsuite/lib/g++.exp: Include the directory where libgcc
10584         is located to the LD_LIBRARY_PATH list.
10585         * invoke.texi (-shared-libgcc): Document the cases in which
10586         GCC defaults to using the shared libgcc.
10587
10588 2001-02-02  Alexandre Oliva  <aoliva@redhat.com>
10589
10590         * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
10591         unsigned is wide enough.
10592         (BITS_PER_SI): New.
10593         * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
10594         (si_to_float): Likewise.
10595         (float_to_si, float_to_usi): Use BITS_PER_SI.
10596
10597 2001-02-01  Jeffrey Oldham  <oldham@codesourcery.com>
10598
10599         * dwarf2out.c: Added explanation of abbreviations.
10600         (def_cfa_1): Added comments listing DWARF2 instructions.
10601         (cfa_temp_reg): Removed in favor of cfa_temp.
10602         (cfa_temp_value): Removed in favor of cfa_temp.
10603         (cfa_temp): New global variable.
10604         (dwarf2out_frame_debug_expr): Added extensive introductory
10605         comments explaining the function's transformations.  Revised to
10606         use cfa_temp.  Added some rtx checking.  Generalize IOR case.
10607         (dwarf2out_frame_debug): Revised to use cfa_temp.
10608         (output_aranges): Cast as "unsigned" to avoid warning.
10609         * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
10610         explain which instructions must be marked.
10611
10612 2001-02-01  Richard Henderson  <rth@redhat.com>
10613
10614         * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
10615         new instruction.
10616
10617 2001-02-01  Alexandre Oliva  <aoliva@redhat.com>
10618
10619         * config/sh/crt1.asm (main_k): Modified so that start calls
10620         ___setup_argv_and_call_main.
10621
10622 2001-02-01  Neil Booth  <neil@daikokuya.demon.co.uk>
10623
10624         * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
10625         * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
10626         and AVOID_LPASTE is cleared on meeting an unescaped newline.
10627         * cppmacro.c (builtin_macro): Set builtin flags here.
10628         (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
10629         (replace_args): Clarify intent.
10630         (cpp_get_token): Macro expansion tokens get the saved flags.
10631         Update.
10632         * cppmain.c (scan_buffer): Remove now-redundant print.printed
10633         check.
10634
10635 2001-02-01  Jeffrey Oldham  <oldham@codesourcery.com>
10636
10637         * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
10638         2001-Jan-29.
10639
10640 Thu Feb  1 07:22:41 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10641
10642         * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
10643         returns Pmode pseudo, but we need ptr_mode.
10644         * explow.c (allocate_dynamic_stack_space): Use plus_constant.
10645         Remove bogus conversions; use HOST_WIDE_INT for size.
10646         Don't use TARGET if wrong mode.
10647
10648         * config/i386/i386.c (ix86_compute_frame_size): Allow
10649         stack_alignment_needed to be non-default even if size is zero.
10650
10651 2001-01-31  Alan Modra <alan@linuxcare.com.au>
10652
10653         * pa.c (hppa_init_pic_save): New function.
10654         * pa.h (hppa_init_pic_save): Declare.
10655         * pa.md (call, call_value, sibcall, sibcall_value): Use
10656         the above instead of duplicated code.
10657
10658         * pa.c (hppa_encode_label): Correct size of alloca buffer
10659         so we don't overrun it.  Correct leading `*' case.
10660         * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
10661         need to handle `*@'.
10662         (FUNCTION_NAME_P): Likewise.
10663
10664 2001-01-31  Richard Henderson  <rth@redhat.com>
10665
10666         * config.gcc (alpha-osf5): Use float-i128.h.
10667
10668         * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
10669         * config/float-i32.h: Likewise.
10670         * config/float-i64.h: Likewise.
10671         * config/float-sh.h: Likewise.
10672         * config/float-sparc.h: Likewise.
10673
10674 2001-01-31  DJ Delorie  <dj@redhat.com>
10675
10676         * expmed.c (extract_bit_field): allow non-integral modes if we
10677         want to extract a whole register from itself.
10678
10679 2001-01-31  Jakub Jelinek  <jakub@redhat.com>
10680
10681         * c-typeck.c (set_init_index): If first is equal to last, assume as
10682         if it was not a range at all.
10683
10684 2001-01-31  Alexandre Oliva  <aoliva@redhat.com>
10685
10686         * config/fp-bit.c: Include tm.h.
10687         (float_to_si): Don't assume SImode is 32-bits wide.
10688         (float_to_usi): Likewise.
10689
10690 2001-01-31  Joseph S. Myers  <jsm28@cam.ac.uk>
10691
10692         * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
10693         incomplete type.
10694         (typename): Call pending_xref_error after parsing typed_typespecs.
10695         * c-decl.c (lookup_tag): Give error immediately rather than
10696         leaving it pending if the tag of the wrong type is in the same
10697         binding level.
10698         (xref_tag): Don't pedwarn for forward declarations of enum types
10699         here.
10700         * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
10701         and enum tags.
10702
10703 2001-01-31  Alexandre Oliva  <aoliva@redhat.com>
10704
10705         * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
10706
10707 2001-01-31  Neil Booth  <neil@daikokuya.demon.co.uk>
10708
10709         * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
10710         (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
10711
10712 2001-01-31  Neil Booth  <neil@daikokuya.demon.co.uk>
10713
10714         * cpphash.h (struct cpp_reader): New saved_flags.
10715         * cppmacro.c (cpp_get_token): Use saved_flags to remember
10716         to avoid a paste after a pasted token.
10717
10718 2001-01-31  Alexandre Oliva  <aoliva@redhat.com>
10719
10720         * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
10721         * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
10722         Wtype_MIN instead of LONG_MIN.
10723
10724 2001-01-30  Jeffrey Oldham  <oldham@codesourcery.com>
10725
10726         * fixinc/fixincl.tpl: Add 2001 to copyright.  Change name of
10727         README file.
10728         * fixinc/fixincl.x: Regenerated.
10729         * fixinc/inclhack.def (irix_limits_const): New definition to
10730         convert "const" to "__const" in limits.h.
10731
10732 2001-01-30  Jeffrey Oldham  <oldham@codesourcery.com>
10733
10734         * fixinc/genfixes (AG): Fix "autogen4" thinko.
10735
10736 2001-01-30  Herman A.J. ten Brugge  <Haj.Ten.Brugge@net.HCC.nl>
10737
10738         * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
10739         when register dies in the insn.
10740
10741 2001-01-30  Neil Booth  <neil@daikokuya.demon.co.uk>
10742
10743         * diagnostic.c (fatal): Fix word wrap.
10744
10745 2001-01-30  Alexandre Oliva  <aoliva@redhat.com>
10746
10747         * combine.c (try_combine): Fix SUBREG setting for
10748         HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
10749
10750 2001-01-30  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
10751
10752         * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
10753         comparison codes.
10754
10755 2001-01-30  Neil Booth  <neil@daikokuya.demon.co.uk>
10756
10757         * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
10758         is not NULL.
10759         * toplev.c (decode_W_option): Update warn_larger_than
10760         unconditionally for each processed switch.
10761
10762 2001-01-30  John David Anglin  <dave@hiauly1.hia.nrc.ca>
10763
10764         * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
10765         to NULL_RTX.
10766         (hppa_expand_prologue): Delete code to save pic offset table register
10767         in the function prologue.
10768         * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
10769         * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
10770         table register at the beginning of the function after the prologue.
10771
10772 2001-01-29  lars brinkhoff  <lars@nocrew.org>
10773
10774         * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
10775
10776 2001-01-29  John David Anglin  <dave@hiauly1.hia.nrc.ca>
10777             Jeff Law <law@redhat.com>
10778
10779         * pa.md (return): Revise comment for trivial return.
10780         (return_internal): Non-trivial return pattern for non-PIC code.
10781         (return_internal_pic): Non-trivial return pattern for PIC code.
10782         It uses the PIC register to ensure it is restored after
10783         function calls.
10784         (epilogue): Generate appropriate return for PIC and non-PIC code.
10785
10786 Mon Jan 29 23:53:14 2001  Christopher Faylor <cgf@cygnus.com>
10787
10788         * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
10789
10790 2001-01-29  DJ Delorie  <dj@redhat.com>
10791
10792         * combine.c (if_then_else_cond): Pass the correct mode to
10793         operand_subword() for constants.
10794
10795 Mon Jan 29 20:38:19 2001  Christopher Faylor <cgf@cygnus.com>
10796
10797         * config/i386/cygwin.h: Add w32api to include search.  Search different
10798         directories in a cross-build environment.
10799
10800 2001-11-29  Tim Josling  <tej@melbpc.org.au>
10801
10802         * tree.h (TYPE_STUB_DECL): Add documentation.
10803
10804 2001-11-29  Laurynas Biveinis  <lauras@softhome.net>
10805
10806         * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
10807         (sdbout_field_types): Likwise.  Fix use of host_integerp.
10808
10809 2001-01-29  Thomas Pfaff  <tpfaff@gmx.net>
10810
10811         * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
10812         cygwin.h.
10813
10814 2001-01-29  Jeffrey Oldham  <oldham@codesourcery.com>
10815
10816         * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
10817         to use flag_gnu_linker.
10818
10819 2001-01-29  Neil Booth  <neil@daikokuya.demon.co.uk>
10820
10821         * cpplib.c (T_BAD_DIRECTIVE): Remove.
10822         (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
10823
10824 2001-01-29  Joseph S. Myers  <jsm28@cam.ac.uk>
10825
10826         * tree.c, tree.h (build_parse_node): Remove; was identical to
10827         build_nt.
10828         * c-lang.c (start_cdtor), objc/objc-act.c
10829         (build_module_descriptor): Use build_nt instead of
10830         build_parse_node.
10831
10832 2001-01-29  Jakub Jelinek  <jakub@redhat.com>
10833
10834         * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
10835         (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
10836         not have any upper bits set.
10837
10838 2001-01-29  Phil Edwards  <pme@sources.redhat.com>
10839
10840         * COPYING.LIB:  Update to LGPL 2.1 from the FSF.
10841
10842 2001-01-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10843
10844         * stmt.c (estimate_case_costs): Use integer_minus_one_node.
10845
10846         * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
10847
10848         * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
10849         (integer_minus_one_node): Define.
10850
10851 2001-01-28  Alexandre Oliva  <aoliva@redhat.com>
10852
10853         * Makefile.in (bootstrap2-lean): Fix typo.
10854
10855 2001-01-28  Neil Booth  <neil@daikokuya.demon.co.uk>
10856
10857         * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
10858         : Don't set fe_value.
10859         * cpplib.h (AVOID_LPASTE): New flag.
10860         (struct cpp_hashnode): Remove fe_value.
10861         * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
10862         * cppmacro.c (builtin_macro): Don't set flags here.
10863         (replace_args): Set AVOID_LPASTE flag on first token of an
10864         argument, and the token following it.
10865         (cpp_get_token): Set AVOID_LPASTE flag on first token of a
10866         macro expansion, and on the token following it.  Do it for
10867         builtins too.
10868         * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
10869
10870 2001-01-27  Richard Henderson  <rth@redhat.com>
10871
10872         * config/alpha/t-ieee: Remove multilibbing.
10873         (TARGET_LIBGCC2_CFLAGS): Add -mieee.
10874
10875 2001-01-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10876
10877         * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
10878
10879         * Makefile.in: Remove all dependencies on defaults.h.
10880         * builtins.c: Don't include defaults.h.
10881         * c-common.c: Likewise.
10882         * c-decl.c: Likewise.
10883         * c-pragma.c: Likewise.
10884         * c-typeck.c: Likewise.
10885         * combine.c: Likewise.
10886         * i386.c: Likewise.
10887         * frame-ia64.c: Likewise.
10888         * cppexp.c: Likewise.
10889         * crtstuff.c: Likewise.
10890         * dbxout.c: Likewise.
10891         * dwarf2out.c: Likewise.
10892         * dwarfout.c: Likewise.
10893         * emit-rtl.c: Likewise.
10894         * except.c: Likewise.
10895         * expr.c: Likewise.
10896         * final.c: Likewise.
10897         * frame-dwarf2.c: Likewise.
10898         * libgcc2.c: Likewise.
10899         * optabs.c: Likewise.
10900         * profile.c: Likewise.
10901         * sdbout.c: Likewise.
10902         * toplev.c: Likewise.
10903         * tradcif.y: Likewise.
10904         * tree.c: Likewise.
10905         * varasm.c: Likewise.
10906
10907 2001-01-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10908
10909         * builtins.c (expand_builtin_fputs): Use size_one_node when
10910         transforming into fwrite.
10911
10912 2001-01-27  Joseph S. Myers  <jsm28@cam.ac.uk>
10913
10914         * extend.texi (Attribute Syntax): New section.
10915
10916 2001-01-27  Michael Sokolov  <msokolov@ivan.Harhan.ORG>
10917
10918         * fixproto: Correctly install synthesised unistd.h and stdlib.h when
10919         they didn't need fixing.
10920
10921 2001-01-27  Janis Johnson <janis@us.ibm.com>
10922
10923         * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
10924         if appropriate.
10925         * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
10926         to remove macro definitions that are duplicated from elfos.h.
10927
10928 2001-01-27  Richard Henderson  <rth@redhat.com>
10929
10930         * config/i386/sco5gas.h: Move ...
10931         * config/usegas.h: ... here.
10932         * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
10933
10934 2001-01-27  Jakub Jelinek  <jakub@redhat.com>
10935
10936         * c-typeck.c (struct constructor_stack): Add range_stack member.
10937         (really_start_incremental_init): Clear it.
10938         (push_init_level): Save constructor_range_stack and clear it if
10939         pushing explicit braces.
10940         (pop_init_level): abort if constructor_range_stack is non-zero at
10941         explicit closing brace.  Restore saved constructor_range_stack if
10942         not implicit.
10943
10944 2001-01-27  Alexandre Oliva  <aoliva@redhat.com>
10945
10946         * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
10947         into register was forced into memory.
10948
10949 2001-01-27  Alexandre Oliva  <aoliva@redhat.com>
10950
10951         * Makefile.in: Remove uses of + before $(MAKE).
10952
10953 2001-01-26  Richard Henderson  <rth@redhat.com>
10954
10955         * stmt.c (cost_table): Remove.
10956         (COST_TABLE, cost_table_initialized): New.
10957         (estimate_case_costs): Use the later instead of the former.
10958         (balance_case_nodes): Likewise.
10959
10960 2001-01-26  Richard Henderson  <rth@redhat.com>
10961
10962         * alias.c (objects_must_conflict_p): Read-only slots may not
10963         conflict despite having the same type.
10964
10965 2001-01-27  Michael Hayes  <mhayes@redhat.com>
10966
10967         * loop.c (loop_giv_reduce_benefit): Copy mode size into
10968         int variable.
10969         (check_ext_dependant_givs): Initialise u_start_val and
10970         u_end_val.
10971         (load_mems): Make last_max_reg unsigned.
10972         (try_swap_copy_prop): Use INSN_P and initialise set.
10973
10974 Fri Jan 26 23:22:58 2001  Denis Chertykov  <denisc@overta.ru>
10975
10976         * README.AVR : Removed.
10977
10978 Fri Jan 26 11:37:26 2001  Jeffrey A Law  (law@cygnus.com)
10979
10980         * pa-64.h (text_section): Remove declaration.
10981
10982         * pa.md (return_internal): Remove mode on PIC register use.
10983
10984 2001-01-25  lars brinkhoff  <lars@nocrew.org>
10985
10986         * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
10987         ASM_CLOSE_PAREN): fix typos.
10988
10989 2001-01-25  Mark Mitchell  <mark@codesourcery.com>
10990
10991         * acconfig.h: Define `const' to the empty string if neither
10992         __STDC__ nor __cplusplus is defined.
10993         * config.in: Regenerated.
10994
10995 2001-01-25  David Edelsohn  <edelsohn@gnu.org>
10996
10997         * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
10998         * collect2.c (main): Delete importf.  Add ".obj" file extension.
10999         (GCC_CHECK_HDR): Handle AIX V5 new magic number.
11000         (aix_std_libs): Add additional AIX libraries to skip.
11001         * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
11002         * config/rs6000/aix51.h: New file.
11003
11004 2001-01-25  Michael Hayes  <mhayes@redhat.com>
11005
11006         * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
11007         (loop_insn_emit_before): No longer static.
11008         (move_movables): Replace emit_insn_after with loop_insn_emit_after.
11009         (loop_givs_rescan, load_mems): Likewise.
11010         (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
11011         (maybe_eliminate_biv_1):
11012         (move_movables): Replace emit_call_insn_before with
11013         loop_call_insn_hoist.
11014         * loop.h (loop_insn_emit_before): Add.
11015         * unroll.c (copy_loop_body): Replace emit_insn_before with
11016         loop_insn_emit_before.
11017
11018 2001-01-25  Neil Booth  <neil@daikokuya.demon.co.uk>
11019
11020         * diagnostic.c (fatal): Request preprocessed source.
11021
11022 Thu Jan 25 02:01:16 2001  J"orn Rennecke <amylaar@redhat.com>
11023
11024         * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
11025         olddecl has argument types and newdecl has none, use the argument
11026         types from olddecl.
11027
11028 2001-01-24  Ulrich Drepper  <drepper@redhat.com>
11029
11030         * dwarf2out.c (prefix_of): New function.  Determine longest common
11031         prefix of the two arguments.  The units are whole path components.
11032         (output_file_names): When adding a new directory find the one entry
11033         with the longest common prefix already in the list.  Artificially
11034         generate entry if there is none for this prefix.
11035         Fix test to check whether the zeroth directory entry is used.
11036
11037 Wed Jan 24 23:51:55 2001  J"orn Rennecke <amylaar@redhat.com>
11038
11039         * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
11040         Changed all callers.  Take it into account when deciding if a
11041         previously loaded value matches.
11042
11043 2001-01-24  Richard Henderson  <rth@redhat.com>
11044
11045         * reload.c (find_reloads_subreg_address): Fail the substitution
11046         if the resulting address is insufficiently aligned.
11047
11048 2001-01-24  DJ Delorie  <dj@redhat.com>
11049
11050         * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
11051         check the original operand's mode also.
11052         * simplify-rtx.c (simplify_ternary_operation): Ditto.
11053
11054 2001-01-24  Joseph S. Myers  <jsm28@cam.ac.uk>
11055
11056         * c-parse.in (cast_expr): Move compound literals from here ...
11057         (primary): ... to here.  Use standard terminology "compound
11058         literal" instead of "constructor expression".
11059
11060 2001-01-24  Joseph S. Myers  <jsm28@cam.ac.uk>
11061
11062         * gcc.1, cpp.1: Regenerate.
11063
11064 2001-01-24  Alexandre Oliva  <aoliva@redhat.com>
11065
11066         * calls.c (emit_library_call_value_1): Memory slot for
11067         pass-by-reference argument should have the mode of the argument,
11068         not of the pointer to it.
11069
11070 2001-01-24  Tom Tromey  <tromey@redhat.com>
11071
11072         * gcc.texi (G++ and GCC): Mention gcj manual.
11073         (Standards): Link to section of manual mentioning gcj/Java
11074         compatibility.
11075
11076 2001-01-24  Jakub Jelinek  <jakub@redhat.com>
11077
11078         * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
11079         * cppinit.c (cpp_start_read): Remove deps_add_dep call.
11080         * tradcpp.c (main): Add -imacros or -include'd dependencies
11081         for -M*.
11082         * cpp.texi (-M, -MM): Document -M -include behaviour.
11083
11084 2001-01-24  Roger Collins <roger@ProProject.com>
11085
11086         * config/i386/xm-i386.h: Make __i386__ a boolean macro.
11087
11088 2001-01-24  Will Cohen  <wcohen@redhat.com>
11089
11090         * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
11091         whether registers are 32 bits or 64 bits in size.
11092
11093 2001-01-24  Ben Elliston  <bje@redhat.com>
11094
11095         * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
11096
11097 2001-01-24  Richard Henderson  <rth@redhat.com>
11098
11099         * config/alpha/alpha.md (builtin_longjmp_internal): New.
11100         (builtin_longjmp): Use it instead of emit_indirect_jump.
11101
11102 2001-01-23  John David Anglin  <dave@hiauly1.hia.nrc.ca>
11103
11104         * bb-reorder.c (make_reorder_chain_1): Handle case where
11105         jump edge goes to the same block as the fallthru edge.
11106
11107 2001-01-23  Jim Wilson  <wilson@redhat.com>
11108
11109         * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
11110         * frame.h (__ia64_personality_v1): Add prototype.
11111         * libgcc2.c (ia64_throw_helper): Change personality declaration to
11112         prototype form.  Add void * cast to first argument to personality
11113         call.
11114         * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
11115         (asctoe113): Likewise.
11116         * config/ia64/frame-ia64.c: Include eh-common.h.
11117         * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
11118         prototypes.
11119         * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
11120         to dump parameter.
11121         (itanium_split_issue): Add prototype.
11122         (gen_nop_type): Ifdef out.
11123         (find_best_packet): Initialize best_packet.
11124         (ia64_encode_section_info): New local string.  Use for ggc_alloc_string
11125         result.
11126         * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
11127         * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
11128         (flushrs): Add explicit stop bit at end.
11129         * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
11130         trailing \ to >.
11131
11132 2001-01-23  Chris Demetriou  <cgd@broadcom.com>
11133
11134         * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
11135         of EH symbols.
11136         * libgcc2.c (__terminate_func): Make variable static.
11137         (__terminate_set_func): New function to set __terminate_func.
11138         * libgcc2.h (__terminate_func_ptr): New typedef.
11139         (__terminate_set_func): New function.
11140
11141 2001-01-23  Richard Henderson  <rth@redhat.com>
11142
11143         * flow.c (init_propagate_block_info): Don't consider unchanging
11144         memories for dead frame store elimination.
11145
11146 2001-01-23  Richard Henderson  <rth@redhat.com>
11147
11148         * varasm.c (UNIQUE_SECTION): Move default implementation ...
11149         * defaults.h: ... here.
11150
11151 2001-01-24  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
11152
11153         * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
11154
11155 2001-01-23  Neil Booth  <neil@daikokuya.demon.co.uk>
11156
11157         * c-lex.c (lex_charconst): Fix typo: s/p/str.
11158
11159 2001-01-23  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
11160
11161         * rs6000.h (rs6000_return_addr): Move prototype from here...
11162         * rs6000-protos.h (rs6000_return_addr): ...to here.
11163         (rs6000_init_expanders): Delete prototype.
11164
11165 2001-01-23  Nick Clifton  <nickc@redhat.com>
11166
11167         * invoke.texi: Replace , with \, inside @gccoptlist macros.
11168         (Spec Files): Document %B and %j and %. and %v3 and %M and
11169         %{S*&T} spec switches.
11170
11171 2001-01-24  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11172
11173         * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
11174
11175 2001-01-23  Chris Demetriou  <cgd@sibyte.com>
11176             Neil Booth  <neil@daikokuya.demon.co.uk>
11177
11178         * cpperror.c: Merge handlers of PEDWARN and WARNING.
11179         Have -Werror make pedantic warnings errors, like the
11180         rest of GCC.
11181
11182 2001-01-23  Phil Edwards  <pme@sources.redhat.com>
11183
11184         * c-tree.texi (IDENTIFIER_LENGTH):  Fix typo.
11185
11186 2001-01-23  Jakub Jelinek  <jakub@redhat.com>
11187
11188         * integrate.h (struct inline_remap): Add compare_src, compare_mode.
11189         * integrate.c (expand_inline_function): Initialize them.
11190         (subst_constants): If changing COMPARE so that both its arguments
11191         will be VOIDmode and the comparison mode will be lost, note
11192         compare_mode.  Use the recorded compare_mode to optimize
11193         IF_THEN_ELSE.
11194
11195 2001-01-23  Jason Merrill  <jason@redhat.com>
11196
11197         * dwarf2out.c (new_die): Use xcalloc.
11198         (output_die): Abort rather than emit a local reference to offset 0.
11199
11200 2001-01-17  Andrew Haley  <aph@redhat.com>
11201
11202         * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
11203         of a saved register; return NULL instead.
11204         (copy_reg): Take a pointer to a source register rather than a
11205         frame_state.
11206         (next_stack_level): Remember the address in the stack frame of all
11207         saved registers.
11208         Use the saved register pointer array as the source of the CFA.
11209         (throw_helper): Rewrite.  Unwind once rather than twice and keep
11210         track of saved registers as we go.
11211
11212 2001-01-23  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11213
11214         * c4x-protos.h (c4x_legitimize_reload_address): Remove.
11215         * c4x.c (c4x_legitimize_reload_address): Remove.
11216         * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
11217         reload address for ldp(k) insn.
11218
11219 Mon Jan 22 20:53:47 2001  Jeffrey A Law  (law@cygnus.com)
11220
11221         * pa.md (return_internal): Add a USE of the PIC register to ensure
11222         it is restored after each call.
11223         (return expander): Corresponding changes.
11224
11225 2001-01-22  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
11226
11227         * rs6000.h (INIT_EXPANDERS): Delete.
11228         (RETURN_ADDR_RTX): Call rs6000_return_addr().
11229         * rs6000.c (rs6000_override_options): Call *_machine_status from
11230         here...
11231         (rs6000_init_expanders): ...instead of here. Delete.
11232         (rs6000_mark_machine_status): New function.
11233         (rs6000_init_machine_status): Use xcalloc.
11234         (rs6000_return_addr): Generate RTX for the return address.
11235         (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
11236         (rs6000_stack_info): Use it.
11237
11238 2001-01-22  Thomas Pfaff  <tpfaff@gmx.net>
11239
11240         * gthr-win32.h: Include errno.h to get a declaration for
11241         EINVAL and _mingw.h if the target is mingw32.
11242
11243 2001-01-22  Andres Felipe Vargas <avargas@teletulua.com.co>
11244
11245         * cpp.texi: Correct typos.
11246
11247 Mon Jan 22 13:59:09 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11248
11249         * explow.c (probe_stack_range): Ensure value passed to
11250         stack_check_libfunc is ptr_mode, not Pmode.
11251
11252 Mon Jan 22 16:53:06 2001  J"orn Rennecke <amylaar@redhat.com>
11253
11254         * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
11255         case, don't use operand_subword to calculate a SUBREG that is
11256         wider than a word.
11257
11258         * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
11259
11260 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11261
11262         * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
11263         (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
11264         valid.  If not replace it by equivalent insns.
11265
11266 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11267
11268         * c4x.c (c4x_check_legit_addr): Only check CONST.  Not if CONST
11269         contains SYMBOL_REF, LABEL_REF and CONST_INT.
11270         (c4x_U_constraint, symbolic_address_operand): Likewise.
11271         (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
11272         memory.
11273         (c4x_r11_set_p, c4x_check_laj_p): New functions.
11274         * c4x-protos.h (c4x_check_laj_p): Add prototype.
11275         * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
11276         anulling slot because of silicon bug.
11277         (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
11278
11279 2001-01-22  Alan Modra <alan@linuxcare.com.au>
11280
11281         * cppexp.c (parse_charconst):  Change `mask' type to agree
11282         with parse_escape.
11283
11284 2001-01-21  Richard Henderson  <rth@redhat.com>
11285
11286         * config/i386/i386.c (ix86_asm_file_end): Disable putting
11287         pic_label_name in a linkonce section.
11288
11289 2001-01-17  Philipp Thomas  <pthomas@suse.de>
11290
11291         * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
11292         found in libintl.
11293         * configure: Regenerate.
11294
11295 Sun Jan 21 02:38:56 2001  J"orn Rennecke <amylaar@redhat.com>
11296
11297         * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
11298         uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
11299
11300 Sun Jan 21 09:44:17 2001  Denis Chertykov  <denisc@overta.ru>
11301
11302         * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
11303         If REVERSE nonzero then condition code in X must be reversed.
11304         (encode_section_info): Optimise if/else.
11305         (avr_function_value): Fix formatting.
11306
11307         * config/avr/avr.md (branch): Call to ret_cond_branch changed.
11308         (difficult_branch): Likewise.
11309         (rvbranch): Likewise.
11310         (difficult_rvbranch): Likewise.
11311
11312         * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
11313
11314         * config/avr/libgcc.S: Fix comment.
11315
11316 2001-01-20  Michael Sokolov  <msokolov@ivan.Harhan.ORG>
11317
11318         * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
11319
11320 2001-01-20  Michael Sokolov  <msokolov@ivan.Harhan.ORG>
11321
11322         * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
11323
11324 2001-01-20  Michael Sokolov  <msokolov@ivan.Harhan.ORG>
11325
11326         * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
11327         * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
11328         * configure, config.in: Regenerate.
11329         * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
11330         (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
11331         (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
11332         (doprint.o): New rule.
11333
11334 2001-01-20  Joseph S. Myers  <jsm28@cam.ac.uk>
11335
11336         * c-typeck.c (digest_init): Handle boolean types as scalars.
11337
11338 Sat Jan 20 12:46:57 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11339
11340         * stmt.c (expand_return): Don't return anything if size is zero.
11341         Delete redundant assignment to BYTES.
11342         * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
11343
11344 2001-01-20  Marek Michalkiewicz  <marekm@linux.org.pl>
11345
11346         * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
11347         the same as the default library function names.
11348         * config/avr/avr.md: Document special characters after '%'.
11349         (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
11350         knowing which of the call-used registers are really clobbered.
11351         (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
11352         New.  Both quotient and remainder from one libgcc.S call.
11353         * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
11354         clobber as few registers as possible.
11355         * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
11356
11357 2001-01-20  Neil Booth  <neil@daikokuya.demon.co.uk>
11358
11359         * cppmacro.c (funlike_invocation_p): Don't move back up to the
11360         context of the top of the stack.
11361
11362 2001-01-20  Jakub Jelinek  <jakub@redhat.com>
11363
11364         * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
11365         (fixup_var_refs_insns): ...here.
11366
11367 2001-01-20  Zack Weinberg  <zack@wolery.stanford.edu>
11368
11369         * function.c (fixup_var_refs_insns): Break up into
11370         fixup_var_refs_insn [body of loop], fixup_var_refs_insns
11371         [loop over entire insn list], and fixup_var_refs_insns_with_hash
11372         [loop over hash table entries].
11373         (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
11374         fixup_var_refs_insns_with_hash, to match above changes.
11375
11376 2001-01-19  John David Anglin  <dave@hiauly1.hia.nrc.ca>
11377
11378         * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
11379         (libgcc.a): Likewise.
11380         (stmp-multilib): Likewise.
11381         (STAGE2_FLAGS_TO_PASS): Likewise.
11382
11383 2001-01-19  Alexandre Oliva  <aoliva@redhat.com>
11384
11385         * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
11386         temporary if no_new_pseudos.
11387
11388 2001-01-19  Neil Booth  <neil@daikokuya.demon.co.uk>
11389
11390         * cppinternals.texi: Update.
11391
11392 2001-01-19  Richard Earnshaw  <rearnsha@arm.com>
11393
11394         * arm.c (arm_init_builtins): Re-enable builtins.
11395
11396 Fri Jan 19 13:02:56 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11397
11398         * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
11399         * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
11400         element to be null, and always expect an EXPR_LIST.
11401         * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
11402         * sched-deps.c (sched_analyze_1): Likewise.
11403         * sched-rgn.c (check_live_1, update_live_1): Likewise.
11404
11405         * regclass.c (max_set_parallel): New variable.
11406         (reg_scan): Take it into account in computation of max_parallel.
11407         (reg_scan_mark_refs, case SET): Compute it.
11408
11409         * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
11410         args are REG.
11411         * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
11412         * function.c (assign_parms): Use INTVAL for a CONST_INT.
11413
11414 2001-01-19  Jason Merrill  <jason@redhat.com>
11415
11416         * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
11417         for the abstract instance of an inline function.
11418
11419 Fri Jan 19 14:31:35 2001  Alexandre Oliva  <aoliva@redhat.com>
11420                           J"orn Rennecke <amylaar@redhat.com>
11421
11422         * reload1.c (move2add_note_store): Treat all registers directly or
11423         indirectly derived from a base register as members of the same set
11424         of values.
11425         (reload_cse_move2add): Adjust accordingly.  Take mode and offset
11426         of base register into account.
11427
11428 Fri Jan 19 09:18:42 2001  J"orn Rennecke <amylaar@redhat.com>
11429
11430         * alias.c (find_base_value): Recognize TRUNCATE.
11431         (record_set): In PLUS case, invalidate if other summand is also a
11432         base value.
11433
11434 Thu Jan 18 06:43:04 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11435
11436         * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
11437         entry to be EXPR_LIST.
11438         * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
11439         be an EXPR_LIST (but not null, which other code doesn't allow).
11440         (note_stores): Properly handle PARALLEL in SET.
11441         Recursively call for top-level PARALLEL.
11442         * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
11443         * sched-rgn.c (check_live_1, update_live_1): Likewise.
11444
11445         * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
11446
11447 2001-01-18  Neil Booth  <neil@daikokuya.demon.co.uk>
11448
11449         * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
11450         not pfile->skipping (== 0).
11451
11452 2001-01-17  Nick Clifton  <nickc@redhat.com>
11453
11454         * config/rs6000/rs6000.c: Add prototypes for {init|free}_
11455         machine_status.
11456
11457 2001-01-17  Jim Wilson  <wilson@redhat.com>
11458
11459         * invoke.texi (IA-64 options): Improve.
11460
11461 2001-01-17  Tom Tromey  <tromey@redhat.com>
11462
11463         * invoke.texi (Optimize Options): Use `{}' to around @samp
11464         argument.
11465
11466 2001-01-17  Aldy Hernandez  <aldyh@redhat.com>
11467
11468         * invoke.texi (-fno-guess-branch-probability): New option.
11469
11470 Wed Jan 17 13:26:34 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11471
11472         * combine.c (try_combine): Don't set i3_subst_into_i2 for
11473         case of making new double-word constant.
11474         Revert last change: instead just test i3_subst_into_i2.
11475
11476 2001-01-17  Jakub Jelinek  <jakub@redhat.com>
11477
11478         * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
11479         Use q constraints instead of r.
11480
11481 Tue Jan 16 22:23:04 2001  Alan Modra (alan@linuxcare.com.au)
11482
11483         * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
11484         (machine_function): Define.
11485         (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
11486         * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
11487         pa_free_machine_status): New functions.
11488         (override_options): Set {init,mark,free}_machine_status to above.
11489         (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11490         PIC_OFFSET_TABLE_REGNUM_SAVED.
11491         * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11492         PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
11493         * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
11494         references to PIC_OFFSET_TABLE_REGNUM_SAVED.
11495         * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11496
11497 2001-01-15  DJ Delorie  <dj@redhat.com>
11498
11499         * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
11500         (cpp.1): Ditto.
11501         (gcc.1): Ditto.
11502
11503 Tue Jan 16 17:20:43 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11504
11505         * flow.c (propagate_one_insn): Make trying to delete a prologue
11506         or epilogue insn an ICE, not a warning.  Allow doing this if
11507         the current function returns with stack pointer depressed.
11508
11509         * combine.c (try_combine): If i3_subst_into_i2, properly check for
11510         I3 having more than one SET.
11511
11512 2001-01-16  Jim Wilson  <wilson@redhat.com>
11513
11514         * invoke.texi: Document IA-64 options.
11515
11516         * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
11517         (fixup_errata): Delete TARGET_A_STEP use.
11518         * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
11519         (TARGET_SWITCHES): Delete -ma-step option.
11520         * config/ia64/ia64.md (all FP patterns): Delete %B0.
11521         (movqicc_astep, movqi_internal_astep, movhicc_astep,
11522         movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
11523         movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
11524         movdfcc_astep, movdf_internal_astep, movtfcc_astep,
11525         movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
11526         Delete.
11527         (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
11528         movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
11529         cmovsi_internal): Delete ! TARGET_A_STEP check.
11530
11531 2001-01-16  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
11532
11533         * gcc.texi (Bug Lists): Do not mention newsgroups nor the
11534         possibility to report bugs via postal mail. Change a URL and
11535         merge in a nearly duplicate statement...
11536         (Bug Reporting): ...from here.
11537         (Service): Refer to the Bug Reporting section instead of
11538         duplicating an URL.
11539         (Contributing): Remove trivial explanations concerning snapshots.
11540
11541 2001-01-16  Alan Modra <alan@linuxcare.com.au>
11542
11543         * cppmain.c (general_init): Don't use ANSI prototype.
11544
11545 2001-01-16  Tom Tromey  <tromey@redhat.com>
11546
11547         * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
11548
11549 2001-01-16  Richard Henderson  <rth@redhat.com>
11550
11551         * config/i386/i386.h: Fix comment typo.
11552         * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
11553         (ashr+compare patterns): Match CCGOCmode not CCNOmode.
11554
11555 2001-01-16  Phil Edwards  <pme@sources.redhat.com>
11556
11557         * gcc.c:  Revert previous -fsyntax-only-related change; move
11558         to cp/g++spec.c.
11559
11560 2001-01-16  Jakub Jelinek  <jakub@redhat.com>
11561
11562         * config/i386/i386.c (fcmov_comparison_operator): Only initialize
11563         inmode after checking GET_CODE (op).
11564
11565 2001-01-16  Richard Henderson  <rth@redhat.com>
11566
11567         * flow.c (struct propagate_block_info): Add mem_set_list_len.
11568         (MAX_MEM_SET_LIST_LEN): New.
11569         (propagate_one_insn): Update mem_set_list_len.
11570         (invalidate_mems_from_autoinc): Likewise.
11571         (invalidate_mems_from_set): Likewise.
11572         (mark_used_regs): Likewise.
11573         (init_propagate_block_info): Likewise.  Stop collecting memories
11574         when we reach MAX_MEM_SET_LIST_LEN.
11575         (mark_set_1): Likewise.
11576
11577 2001-01-16  Richard Henderson  <rth@redhat.com>
11578
11579         * unroll.c (precondition_loop_p): Fail if no iteration
11580         variable found.
11581
11582 2001-01-16  Phil Edwards  <pme@sources.redhat.com>
11583
11584         * gcc.c:  When -fsyntax-only is given, do not complain about
11585         unused libraries.
11586
11587 2001-01-15  Richard Henderson  <rth@redhat.com>
11588
11589         * config/i386/i386.c (asm_output_function_prefix): Remove.
11590         (ix86_asm_file_end): New.
11591         (load_pic_register): Generate pic_label_name into a
11592         staticly allocated buffer.
11593         * config/i386/i386-protos.h: Update.
11594         * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
11595         (ASM_FILE_END): New.
11596         * config/i386/i386afe.h: New file.
11597         * config.gcc (i?86-*-elf) [tm_file]: Use it.
11598         (i?86-*-{freebsd,linux*,moss*}): Likewise.
11599         * config/elfos.h (ASM_FILE_END): Undef before redefinition.
11600         * config/i386/cygwin.h (ASM_FILE_END): Likewise.
11601         * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
11602         * config/i386/sco5.h (ASM_FILE_END): Likewise.
11603         * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
11604
11605 2001-01-15  Joseph S. Myers  <jsm28@cam.ac.uk>
11606
11607         * Makefile.in (install-man): Remove explicit dependency on
11608         $(srcdir)/gcc.1.
11609
11610         * configure.in, configure: Revert previous patch requiring perl
11611         5.6.0.
11612
11613 2001-01-12  Aldy Hernandez  <aldyh@redhat.com>
11614
11615         * toplev.c (flag_guess_branch_prob): New.
11616         (f_options): Add guess-branch-probability option.
11617         (rest_of_decl_compilation): Only estimate branch probability if
11618         flag set.
11619         (main): set flag_guess_branch_prob.
11620
11621         * flags.h (flag_guess_branch_prob): New.
11622
11623 2001-01-15  DJ Delorie  <dj@redhat.com>
11624
11625         * gcc.texi (Makefile): Add documentation for Makefile targets.
11626
11627 2001-01-15  Philip Blundell  <philb@gnu.org>
11628
11629         * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
11630         (is_pic): Delete.
11631         * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
11632         (is_pic): Delete declaration.
11633         * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
11634         (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
11635         * config/arm/arm.md (builtin_setjmp_receiver): New.
11636
11637 2001-01-15  Richard Earnshaw  <rearnsha@arm.com>
11638
11639         * arm.c (use_return_insn): Don't try to determine the function type
11640         until after reload has completed.
11641         (arm_output_epilogue): Don't adjust the sp value recovered from the
11642         stack.
11643         (emit_multi_reg_push): Don't record dwarf information for the pc.
11644         * arm.md (eh_epilogue): The function type may have changed, so it
11645         needs to be recalculated.
11646         * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete.  Can now use dwarf2
11647         unwind tables on arm/netbsd.
11648
11649 2001-01-15  Richard Earnshaw  <rearnsha@arm.com>
11650
11651         * arm.md (cbranchsi4): Correct calculation of branch ranges.
11652         (negated_cbranchsi4): Likewise.
11653
11654 2001-01-15  Richard Earnshaw  <rearnsha@arm.com>
11655
11656         * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
11657         (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11658         (ASM_SPEC): Call subtarget_extra_asm_spec.  Don't
11659         pass -mapcs-* options to assembler.
11660         * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
11661         (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11662         (ASM_SPEC): Call subtarget_extra_asm_spec.
11663
11664 2001-01-15  Andreas Jaeger  <aj@suse.de>
11665
11666         * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
11667         warnings.
11668         (ix86_expand_builtin): Likewise.
11669
11670         * gencodes.c (output_predicate_decls): Make i size_t to avoid
11671         warning about comparison between signed and unsigned.
11672
11673 2001-01-14  Geoffrey Keating  <geoffk@redhat.com>
11674
11675         * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
11676
11677 2001-01-14  Ralf Baechle <ralf@gnu.org>
11678
11679         * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
11680         SUBTARGET_CPP_SPEC apropriatly.
11681
11682 2001-01-12  Mark Mitchell  <mark@codesourcery.com>
11683
11684         * varasm.c (make_decl_rtl): Fix typo in last change.
11685
11686 2001-01-14  Jeffrey Oldham  <oldham@codesourcery.com>
11687
11688         * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
11689         linker supports the init_priority C++ attribute.
11690         * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
11691         * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
11692         linker does not support init_priority C++ attribute.
11693
11694 Sun Jan 14 22:31:30 2001  J"orn Rennecke <amylaar@redhat.com>
11695
11696         * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
11697
11698 2001-01-14  Neil Booth  <neil@daikokuya.demon.co.uk>
11699
11700         * c-parse.in (finish_parse): Add comment about cpp_destroy.
11701         * cp/lex.c (finish_parse): Similarly.
11702         * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
11703         Return the number of errors encountered.
11704         * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
11705         * cppmain.c (main): Don't call cpp_destroy.
11706
11707 2001-01-14  Joseph S. Myers  <jsm28@cam.ac.uk>
11708
11709         * configure.in: Require at least perl 5.6.0 to regenerate
11710         manpages.
11711         * configure: Regenerate.
11712
11713 2001-01-14  Richard Henderson  <rth@redhat.com>
11714
11715         * genrecog.c (DT_veclen_ge): New.
11716         (add_to_sequence) [MATCH_PARALLEL]: Generate one.
11717         (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
11718         (nodes_identical_1): Handle DT_veclen_ge.
11719         (write_cond, debug_decision_2): Likewise.
11720
11721 2001-01-14  Richard Earnshaw  <rearnsha@arm.com>
11722
11723         * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete.  Replace
11724         with ...
11725         (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
11726
11727 2001-01-14  Neil Booth  <neil@daikokuya.demon.co.uk>
11728
11729         * cppmain.c (do_preprocessing): New function; most of the old
11730         main.
11731         (main): Call it to do most of the work.
11732         (cb): Move from global scope to set_callbacks ().
11733         (setup_callbacks): Get the callback pointer.
11734         (general_init, printer_init): Clean up code and comments.
11735
11736 2001-01-14  Richard Earnshaw  <rearnsha@arm.com>
11737
11738         * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
11739         compiling PIC.
11740
11741 2001-01-14  Kazu Hirata  <kazu@hxi.com>
11742
11743         * config/h8300/h8300.c (get_shift_alg): Update comments.
11744
11745 Sun Jan 14 06:20:49 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11746
11747         * ggc-page.c (alloc_annon): Call perror and correctly call exit.
11748         (alloc_page, ggc_alloc): Add casts to remove warnings.
11749
11750 2001-01-14  Geoffrey Keating  <geoffk@redhat.com>
11751
11752         * combine.c (simplify_comparison): Don't change `code' when
11753         can't reverse comparison.
11754
11755 2001-01-14  Richard Henderson  <rth@redhat.com>
11756
11757         * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
11758         update all call sites.  Return true for all non-label constants.
11759
11760 Sun Jan 14 10:09:48 MET 2001  Jan hubicka  <jh@suse.cz>
11761
11762         * i386.c (ix86_expand_compare): Add bypass_test and second_test
11763         parameters.
11764         (ix86_expand_branch): Update.
11765         (ix86_expand_setcc): Update to handle multiple test conditions.
11766         (expand_int_movcc): Likewise.
11767         (expand_fp_movcc): Likewise.
11768         * i386-protos.h (ix86_expand_compare): New.
11769         * i386.md (andqi_?_slp, orqi_?_slp): New.
11770         (conditional trap expander): Update call to ix86_expand_compare.
11771
11772 2001-01-14  Richard Henderson  <rth@redhat.com>
11773
11774         * config/vax/vax.md: Use nonimmediate_operand instead of
11775         general_operand in destinations.
11776
11777         * config/vax/vax.md (indirect_jump): Use register_operand.
11778
11779         * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
11780         * config/vax/vax.md (call_pop): Turn into an expander.
11781         (call_value_pop): Likewise.
11782         (call, call_value): New.
11783
11784 2001-01-14  Andreas Jaeger  <aj@suse.de>
11785
11786         * config/i386/i386.c (ix86_split_fp_branch): Remove unused
11787         variables.
11788         (ix86_fp_compare_mode): Add unused attribute.
11789         (ix86_expand_fp_movcc): Remove unused variable.
11790         (ix86_expand_builtin): Make fcode unsigned.
11791
11792         * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
11793         (expand_expr): Add cast to avoid signed warning.
11794         (store_field): Likewise.
11795         (store_constructor_field): Likewise.
11796         (store_constructor): Likewise.
11797         (store_expr): Likewise.
11798         (clear_storage): Likewise.
11799         (emit_group_store): Likewise.
11800         (emit_group_load): Likewise.
11801
11802 2001-01-13  Joseph S. Myers  <jsm28@cam.ac.uk>
11803
11804         * c-common.c: Move format checking code to ...
11805         * c-format.c: ... here.  New file.  Reorder some functions and
11806         declarations.
11807         (decl_handle_format_attribute, decl_handle_format_arg_attribute):
11808         New functions.
11809         * c-common.h (decl_handle_format_attribute,
11810         decl_handle_format_arg_attribute): Declare.
11811         * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
11812         (c-common.o): Adjust dependencies.
11813         (c-format.o): New list of dependencies.
11814
11815 2001-01-13  Jakub Jelinek  <jakub@redhat.com>
11816
11817         * unroll.c (loop_iterations): If we cannot prove iteration variable
11818         is set once in each iteration, punt.
11819
11820 Sun Jan 14 00:23:15 2001  Denis Chertykov  <denisc@overta.ru>
11821
11822         * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
11823         (*strlenhi): Remove clobber (which was buggy) of output address.
11824
11825 2001-01-13  Joseph S. Myers  <jsm28@cam.ac.uk>
11826
11827         * Makefile.in (generated-manpages): Add gcc.1
11828         ($(srcdir)/gcc.1): New target.
11829         (maintainer-clean): Delete $(srcdir)/gcc.1.
11830         * gcc.texi: Add macros @gccoptlist and @gol.
11831         * invoke.texi: Include option summary in manpage.  Mark up option
11832         summary with @gccoptlist and @gol.  Use @r in one place where
11833         appropriate.
11834         * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
11835         * gcc.1: Generate from invoke.texi.
11836
11837 2001-01-13  Richard Henderson  <rth@redhat.com>
11838
11839         * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
11840         (struct page_entry): Add group member.
11841         (struct page_group): New.
11842         (struct globals): Add page_groups member.
11843         (alloc_anon): Only define for using mmap; remove valloc call.
11844         (page_group_index): New.
11845         (set_page_group_in_use): New.
11846         (clear_page_group_in_use): New.
11847         (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
11848         (free_page, release_pages): Likewise.
11849         * configure.in (with-gc): Default to ggc-page always.
11850
11851 2001-01-13  Alexandre Oliva  <aoliva@redhat.com>
11852
11853         * reload1.c (replace_pseudos_in_call_usage): Use
11854         reg_equiv_constant and reg_equiv_address, and don't try
11855         regno_reg_rtx first.
11856
11857 2001-01-13  Richard Henderson  <rth@redhat.com>
11858
11859         * ggc-page.c (alloc_page): Round up allocation size to one page.
11860         Set e->order on extra pages.
11861
11862 2001-01-13  Richard Henderson  <rth@redhat.com>
11863
11864         * genrecog.c (nodes_identical): Expand commentary.
11865         (write_switch): Watch out for identical nodes.
11866
11867 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
11868
11869         * cppfiles.c (_cpp_fake_include): New function.
11870         * cpphash.h (_cpp_fake_include): New.
11871         * cpplib.c (do_line): Call _cpp_fake_include when entering
11872         header files in preprocessed input.
11873         * cppmain.c (cb_pragma_implementation): Remove handling.
11874         (setup_callbacks): Don't register pragmas.
11875
11876 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
11877
11878         * extend.texi: Udate for CPP.
11879
11880 2001-01-13  Andreas Jaeger  <aj@suse.de>
11881
11882         * reload1.c: Add prototype for replace_pseudos_in_call_usage.
11883
11884         * regmove.c: Add prototype for replace_in_call_usage.
11885
11886 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
11887
11888         * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
11889         struct cpp_chunk, struct htab, struct toklist,
11890         struct cpp_context, CPP_STACK_MAX, struct lexer_state,
11891         struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
11892         CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
11893         ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
11894         (struct macro_args): Delete.
11895         * cpphash.h: See above.
11896
11897 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
11898
11899         * cppmain.c (struct printer): Remove no_line_dirs.
11900         (options, cb): New.
11901         (main, setup_callbacks, scan_buffer, printer_init, cb_define)
11902         : Use options rather than CPP_OPTION.
11903         (setup_callbacks): Use cb rather than pfile->cb.
11904         (main): No need to check for a buffer.  Use cpp_errors.
11905         (printer_init): Don't set no_line_dirs.
11906         (maybe_print_line): Use options not no_line_dirs.
11907         (cb_file_change): Don't call print_line if -P.
11908
11909 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
11910
11911         * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
11912         callbacks.
11913         * c-parse.in (finish_parse): Use cpp_errors.
11914         (__yylex): Use return value of cpp_pop_buffer.
11915         * cp/lex.c (finish_parse): Use cpp_errors.
11916         * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
11917
11918 Sat Jan 13 16:57:40 2001  Denis Chertykov  <denisc@overta.ru>
11919
11920         * README.AVR: URLs corrected.
11921
11922 Sat Jan 13 07:30:02 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11923
11924         * c-decl.c (start_function): Don't warn if old prototype is builtin
11925         that's not in C's namespace.
11926         * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
11927         (_bb): Add prototype for ctime.
11928         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
11929
11930 Sat Jan 13 09:53:32 MET 2001  Jan Hubicka  <jh@suse.cz>
11931
11932         * i386.c (ix86_fp_comparison_arithmetics_cost,
11933         ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
11934         ix86_fp_comparison_cost): New functions.
11935         (ix86_expand_fp_compare): Use the costs to choose best bethod; add
11936         two new parameters SECOND_TEST and BYPASS_TEST; allow generating
11937         two-branch sequences; make static.
11938         (ix86_use_fcomi_compare): Do decision according to the costs.
11939         (split_fp_branch): New.
11940         * i386.md (compare-and-branch patterns): Use split_fp_branch.
11941         * i386-protos.h (ix86_expand_fp_compare): Remove
11942         (ix86_split_fp_branch): Declare.
11943
11944         * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
11945         and ix86_comparison_operator.
11946
11947         * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
11948         to make it cheaper.
11949
11950         * i386.c (put_condition_code): Output properly the unordered/ordered
11951         compares in fp case.
11952         (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
11953
11954         * tm.texi (REVERSE_CONDITION): Document.
11955         * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
11956         in -ffast-math mode.
11957         * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
11958
11959 2001-01-13  Alexandre Oliva  <aoliva@redhat.com>
11960
11961         * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
11962
11963         * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
11964         optimized away.
11965
11966         * config/sh/sh.c (mova_p): Fix test for mova_const.
11967
11968 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
11969
11970         * fix-header.c (read_scan_file): Use cpp_get_callbacks and
11971         cpp_get_options rather than dereferencing pfile and using
11972         CPP_OPTION.
11973         * scan-decls.c (scan_decls): Use return value of
11974         cpp_pop_buffer rather than CPP_BUFFER.
11975
11976 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
11977
11978         * cppinit.c (cpp_handle_option): help_only is now part of the
11979         cpp_options structure.
11980         * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
11981         cpp_set_callbacks): New functions.
11982         * cpplib.h (cpp_callbacks): Break out as a named structure.
11983         (cpp_options): Move help_only here from cpp_reader.
11984         (CPP_FATAL_ERRORS): Update to use cpp_errors.
11985         (cpp_errors, cpp_get_options, cpp_get_callbacks,
11986         cpp_set_callbacks): New prototypes.
11987         * cppmain.c (main): Update for help_only.
11988
11989 2001-01-13  Joseph S. Myers  <jsm28@cam.ac.uk>
11990
11991         * Makefile.in (info, maintainer-clean, install-info, uninstall):
11992         Also build and remove and install and uninstall c-tree.info and
11993         cppinternals.info.
11994         ($(srcdir)/gcc.info): Add dependency on contrib.texi.
11995         ($(srcdir)/cppinternals.info): New target.
11996         * c-tree.texi: Change file name used when makeinfo used without -o
11997         from ir.info to c-tree.info.  Add info directory entry.
11998         * cppinternals.texi: Add info directory entry.
11999         * .cvsignore: Update.
12000
12001 2001-01-12  Jakub Jelinek  <jakub@redhat.com>
12002
12003         * c-typeck.c (store_init_value): Don't require constant initializer
12004         elements with -pedantic -std=c99.
12005         (digest_init): Change error about non-constant initializer elements
12006         into pedwarn.
12007         (constructor_range_end): Remove.
12008         (constructor_incremental, designator_depth,
12009         designator_errorneous): New variables.
12010         (struct constructor_stack): Remove range_end, add incremental.
12011         (struct constructor_range_stack, constructor_range_stack): New.
12012         (struct initializer_stack): Add constructor_range_stack.
12013         (finish_init): Set it.
12014         (start_init): Likewise.  require_constant_elements for non-static
12015         trees only if not flag_isoc99.
12016         (really_start_incremental_init): Remove constructor_range_end, add
12017         constructor_incremental.
12018         (pop_init_level): Likewise.
12019         (push_init_level): Likewise.  If implicit and the subobject had some
12020         value set already, preinitialize the level with it.
12021         Warn about missing braces only if not pushing due to designators.
12022         (set_designator, push_range_stack): New functions.
12023         (set_init_label): Use them.
12024         (set_init_index): Likewise.  Remove constructor_range_end.
12025         Error if designator index is outside of array bounds.
12026         (add_pending_init): Compare values of purpose index trees, not the
12027         trees themselves.  Allow overwriting of already initialized element.
12028         Issue a warning if it had side-effects.
12029         (set_nonincremental_init, set_nonincremental_init_from_string): New
12030         functions.
12031         (pending_init_member): Rename to...
12032         (find_init_member): ...this function.  Call set_nonincremental_init
12033         if necessary.  Compare values of purpose index trees, not the trees
12034         themselves.  Return the actual value, not just non-zero if something
12035         is found.
12036         (output_init_element): Remove checks for duplicates.
12037         If field has zero size, only check the initializer for correctness.
12038         Call set_nonincremental_init if necessary.  Push RECORD/ARRAY into AVL
12039         if constructor_incremental is zero.  Change error about initializers
12040         not computable at load time into pedwarn.
12041         (output_pending_init_elements): Compare bit positions, not
12042         FIELD_DECLs to take into account zero-sized fields.
12043         (process_init_element): Use constructor_range_stack to fill all
12044         ranges in the designator lists from current level up.
12045         * extend.texi: Update documentation for labeled elements.
12046
12047 2001-01-12  Alexandre Oliva  <aoliva@redhat.com>
12048
12049         * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
12050         to function usage for arguments passed by reference.  Optimize
12051         callee-copied arguments.
12052         * regmove.c (replace_in_call_usage): New function.
12053         (fixup_match_1): Call it.
12054         * cse.c (cse_insn): Canonicalize registers in function usage.
12055         * reload1.c (replace_pseudos_in_call_usage): New function.
12056         (reload): Call it.
12057
12058         * Makefile.in: Reverted yesterday's wrong patch.  Installed the
12059         right version.
12060
12061 2001-01-12  Jakub Jelinek  <jakub@redhat.com>
12062
12063         * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
12064         not XEXP (tmp, 0).
12065
12066 2001-01-12  DJ Delorie  <dj@redhat.com>
12067
12068         * Makefile.in (bootstrap): rename stages to be mnemonic.  Add
12069         restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
12070         targets.
12071
12072 2001-01-12  Joseph S. Myers  <jsm28@cam.ac.uk>
12073
12074         * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
12075         tm.texi: Consistently refer to ISO C instead of ANSI C.  Refer to
12076         -std options alongside references to -ansi.  Update some
12077         documentation for C99.
12078         * cpp.1: Regenerate.
12079
12080 2001-01-12  Andreas Jaeger  <aj@suse.de>
12081
12082         * haifa-sched.c (restore_line_notes): Remove argument block B
12083         since it's unused.
12084         * sched-ebb.c (schedule_ebb): Change caller.
12085         * sched-rgn.c (schedule_region): Likewise.
12086         * sched-int.h (restore_line_notes): Adjust prototype.
12087
12088         * loop.h: Remove wrong declaration of doloop_condition_get.
12089
12090 2001-01-12  Phil Edwards  <pme@sources.redhat.com>
12091
12092         * extend.texi:  Move C++-extension-related node from the C section
12093         into the C++ section.
12094
12095 2001-01-12  Joseph S. Myers  <jsm28@cam.ac.uk>
12096
12097         * extend.texi: Refer to an array of pointers to functions instead
12098         of one of functions.
12099
12100 Fri Jan 12 12:08:12 MET 2001  Andreas Jaeger  <aj@suse.de>
12101                               Jan Hubicka  <jh@suse.cz>
12102
12103         * combine.c (reversed_comparison): Fix typo in last patch.
12104         Check X for NULL.
12105         (combine_reversed_comparison_code): Make static to follow
12106         prototype declaration.
12107
12108 2001-01-12  Phil Edwards  <pme@sources.redhat.com>
12109
12110         * install.texi:  Remove misplaced duplicate entry.
12111
12112 2001-01-11  Ulrich Drepper  <drepper@redhat.com>
12113
12114         * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
12115
12116 Thu Jan 11 17:06:30 EST 2001  John Wehle  (john@feith.com)
12117
12118         * final.c: (leaf_function_p): Fix typo.
12119
12120 2001-01-11  Zack Weinberg  <zack@wolery.stanford.edu>
12121
12122         * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
12123         Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
12124         which you have.
12125         (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
12126         * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
12127         mmap_anon, and valloc is available.
12128         * ggc-page.c: Restructure ifdef logic to match new autoconf
12129         spec.  Don't throw away the test page in init_ggc.
12130
12131         * configure, config.in: Regenerate.
12132
12133 2001-01-12  Michael Hayes  <mhayes@redhat.com>
12134
12135         * loop.h (total_biv_increment): Constify iv_class pointer.
12136         (struct induction): Replace `mem_mode' with `mem' rtx.
12137         * unroll.c (total_biv_increment): Constify iv_class pointer.
12138         * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
12139         (find_mem_givs, combine_givs_p): Likewise.
12140         (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
12141
12142 2001-01-10  Thomas Pfaff <tpfaff@gmx.net>
12143
12144         * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
12145         LastError.
12146         (__gthread_getspecific): Ditto.
12147
12148 Fri Jan 12 00:04:00 MET 2001  Jan Hubicka  <jh@suse.cz>
12149
12150         * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
12151         put_condition_code): Convert fp comparison codes to integer
12152         before handling.
12153         (ix86_expand_fp_compare): Postnote the fp comparison code converison
12154         to final.
12155
12156         * i386.c (unsigned_comparison, no_comparison_operator): Kill.
12157         * i386-protos.h (no_comparison_operator): Kill.
12158
12159         * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
12160
12161         * combine.c (REVERSIBLE_CC_MODE): Remove.
12162         (reversible_comparison_p): Remove.
12163         (combine_reversed_comparison_code): New.
12164         (reversed_comparison): New.
12165         (combine_simplify_rtx): Use
12166         combine_reversed_comparison_code/reversed_comparison instead
12167         of reversible_comparison_p.
12168         (simplify_if_then_else): Likewise.
12169         (simplify_set): Likewise.
12170         (simplify_logical): Likewise.
12171         (if_then_else_cond): Likewise.
12172         (known_cond): Likewise.
12173         (simplify_comparison): Likewise.
12174
12175 2001-01-11  Alan Lehotsky  <lehotsky@tiac.net>
12176
12177         * builtins.c (std_expand_builtin_va_start): Handle varargs when
12178         sizeof (int) is larger than sizeof(__word__).
12179
12180 2001-01-11  Neil Booth  <neil@daikokuya.demon.co.uk>
12181
12182         * cppinit.c (do_includes): Fix typo.
12183
12184 2001-01-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
12185
12186         * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
12187         in S_REGS does not occur because not all sources are possible
12188         when a S_REGS is a destination (sometimes needs a clobber).
12189         (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
12190         (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
12191         (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
12192         (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
12193         (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
12194         (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
12195         (lshrdi_const1, lshrsi3_const16): Likewise.
12196         (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
12197         (*movhi_68hc12, *movqi_68hc12): Likewise.
12198         (movstrictqi): Make sure reloading in D_REGS as a destination
12199         does not happen.
12200
12201 2001-01-11  Neil Booth  <neil@daikokuya.demon.co.uk>
12202
12203         * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12204
12205 2001-01-11  Neil Booth  <neil@daikokuya.demon.co.uk>
12206
12207         * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
12208         -D, -U and -A, and don't initialize the builtins.
12209         (do_includes): Error if -include or -imacros with -fpreprocessed.
12210         * cppmain.c (cb_define, cb_undef): Unconditionally process
12211         the callback.
12212         * tradcpp.c (main): Fix typo.
12213
12214 2000-01-11  Mark Elbrecht  <snowball3@bigfoot.com>
12215
12216         * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
12217         (read_name_map): Use IS_ABSOLUTE_PATH.
12218         * tradcpp.c (get_filename): Likewise.
12219
12220 2001-01-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
12221
12222         * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
12223         (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
12224         (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
12225         (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
12226         (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
12227         (cmphi_z_used): Don't use '@' for the output.
12228         (tstqi_z_used): Likewise.
12229         (cmpqi_z_used): Likewise.
12230         (one_cmplsi2): Likewise.
12231
12232 2001-01-11  Alexandre Oliva  <aoliva@redhat.com>
12233
12234         * config/sh/sh.c (barrier_align): Recognize branch around far
12235         branch and redundant insn.
12236
12237 2001-01-11  Neil Booth  <neil@daikokuya.demon.co.uk>
12238
12239         * invoke.texi: Restore documentation of the drivers' switches -MD
12240         and -MMD.
12241
12242 2001-01-11  Alexandre Oliva  <aoliva@redhat.com>
12243
12244         * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
12245
12246         * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
12247         check-objc//%): Support parallel testing of multilibs.
12248         (TESTSUITEDIR): Set to testsuite by default, but override for
12249         parallel testing.
12250         (check-gcc, check-g++, check-g77, check-objc): Enter
12251         $(TESTSUITEDIR).
12252
12253 2001-01-11  Bernd Schmidt  <bernds@redhat.com>
12254
12255         * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
12256         * sched-deps.c (deps_may_trap_p): Likewise.
12257         * basic-block.h: Remove a comment.
12258         * flow.c (PROP_POSTRELOAD): Remove.
12259         (update_life_info): Don't add it to prop_flags.
12260         (mark_set_1): Lose the code that was enabled by it.
12261
12262 2001-01-11  Michael Hayes  <mhayes@redhat.com>
12263
12264         * flow.c (flow_call_edges_add): New.
12265         * basic_block.h (flow_call_edges_add): New.
12266
12267 2001-01-11  J"orn Rennecke <amylaar@redhat.com>
12268
12269         * reload1.c (move2add_note_store): Update reg_set_luid even if
12270         base reg remains the same.
12271
12272 2001-01-10  Nick Clifton  <nickc@redhat.com>
12273
12274         * config/d30v/d30v.c (d30v_init_machine_status): Initialise
12275         machine_function structure to zero.
12276         Add prototypes for machine_status functions.
12277
12278 2001-01-10  Mark Mitchell  <mark@codesourcery.com>
12279
12280         * c-common.h (CTI_VOID_LIST): Remove.
12281         (void_list_node): Likewise.
12282         * tree.h (TI_VOID_LIST_NODE): New enumeral.
12283         (void_list_node): New macro.
12284         * config/arm/arm.c (arm_init_builtins): Use void_list_node.
12285         * config/i386/i386.c (ix86_init_builtins): Likewise.
12286         * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
12287
12288 2001-01-10  Neil Booth  <neil@daikokuya.demon.co.uk>
12289
12290         * Makefile.in (tradcpp0): Depend on mkdeps.h.  Link mkdeps.o
12291         * cppinit.c (cpp_start_read): Update comment, remove unneeded
12292         if statement.
12293         * tradcpp.c: Include mkdeps.h.
12294         (deps, print_deps_phony_targets, deps_append, output_deps,
12295         init_dependency_output, output_deps): New.
12296         (deps_buffer, deps_allocated_size, deps_size, deps_column,
12297         deps_output): Delete.
12298         (print_deps_missing_files): Rename deps_missing_files.
12299         (inhibit_output): Make global.
12300         (main): Delete inhibit_output, deps_stream, deps_target.
12301         Use mkdeps functionality in the same way as cpplib.  Remove
12302         -g3 handling.  Handle -MF, -MP, -MQ, -MT.  Update handling of
12303         -M and -MM.  Remove old handling of deps via deps_out, and
12304         old reading of environment variables.
12305         (get_filename): Update to use deps_add_dep.
12306
12307 2001-01-10  Mark Mitchell  <mark@codesourcery.com>
12308
12309         * output.h (make_function_rtl): Remove prototype.
12310         (make_decl_rtl): Likewise.
12311         * varasm.c (make_function_rtl): Remove.
12312         (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
12313         than from a third parameter.
12314         * tree.h (make_decl_rtl): Remove last parameter.
12315         * c-decl.c (builtin_function): Remove last argument in call to
12316         make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
12317         (start_function): Likewise.
12318         * except.c (call_get_eh_context): Likewise.
12319         * expr.c (emit_block_move): Likewise.
12320         (clear_storage): Likewise.
12321         * profile.c (output_func_start_profiler): Likewise.
12322         * toplev.c (rest_of_decl_compilation): Likewise.
12323         * objc/objc-act.c (create_builtin_decl): Likewise.
12324         (synth_module_prologue): Likewise.
12325         (generate_static_reference): Likewise.
12326         (build_selector_reference_decl): Likewise.
12327         (build_class_reference_decl): Likewise.
12328         (build_objc_string_decl): Likewise.
12329         (build_protocol_reference): Likewise.
12330
12331 2001-01-10  Richard Henderson  <rth@redhat.com>
12332
12333         * hwint.h: Revert yesterday's change.
12334
12335 2001-01-10  Nick Clifton  <nickc@redhat.com>
12336
12337         * function.h (save_machine_status): Delete.
12338         (restore_machine_status): Delete.
12339         Amend comment describing {init|mark|free}_machine_status.
12340
12341         * function.c (save_machine_status): Delete.
12342         (restore_machine_status): Delete.
12343         Amend comment describing {init|mark|free}_machine_status.
12344         (push_function_context_to): Remove invocation of
12345         save_machine_status.
12346         (pop_function_context_from): Remove invocation of
12347         restore_machine_status.
12348
12349         * emit-rtl.c (init_emit_once): Amend comment describing
12350         {init|mark|free}_machine_status.
12351
12352         * tm.texi (Per-Function Data): New node.  Describe the
12353         INIT_EXPANDERS macro and the {init|mark|free}_machine_status
12354         function pointers.
12355
12356 2001-01-10  Neil Booth  <neil@daikokuya.demon.co.uk>
12357
12358         * cppinit.c (OPT_g): Remove.
12359         (cpp_handle_option): Update for removed -g3.
12360         (print_help): Update.
12361         * cpplib.h (struct cpp_options): Remove debug_output.
12362         * cppmain.c (setup_callbacks, cb_define): Update.
12363         * gcc.c (cpp_options): Translate -g3 to -dD.
12364
12365 2001-01-10  Aldy Hernandez  <aldyh@redhat.com>
12366
12367         * config/i960/i960.md: Change modifier to + on the zero_extract
12368         pattern after the (rotate -2 reg) canonicalization pattern.
12369
12370 2001-01-10  Richard Henderson  <rth@redhat.com>
12371
12372         * config/alpha/alpha.c (alpha_free_machine_status): New.
12373         (override_options): Install it.
12374         (alpha_mark_machine_status): Verify machine non-null.
12375         * config/i386/i386.c (ix86_free_machine_status): New.
12376         (override_options): Install it.
12377         (ix86_init_machine_status): Use xcalloc.
12378         (ix86_mark_machine_status): Verify machine non-null.
12379         * config/ia64/ia64.c (ia64_free_machine_status): New.
12380         (ia64_override_options): Install it.
12381         (ia64_mark_machine_status): Verify machine non-null.
12382
12383 Wed Jan 10 11:34:39 2001  Jeffrey A Law  (law@cygnus.com)
12384
12385         * function.c (instantiate_virtual_regs): Instantiate virtual
12386         registers found in CALL_INSN_FUNCTION_USAGE.
12387
12388 2001-01-10  Joseph S. Myers  <jsm28@cam.ac.uk>
12389
12390         * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
12391         equivalent to -ansi in disabling -Di386.
12392
12393 Wed Jan 10 16:38:31 MET 2001  Jan Hubicka  <jh@suse.cz>
12394
12395         * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
12396         new functions.
12397         (ix86_expand_fp_compare): Make trivial use of new infrastructure.
12398
12399 2001-01-10  Richard Earnshaw  <rearnsha@arm.com>
12400
12401         * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
12402
12403 2001-01-10  Joseph S. Myers  <jsm28@cam.ac.uk>
12404
12405         * invoke.texi: Document that -fcond-mismatch isn't supported for
12406         C++.
12407
12408 2001-01-10  Joseph S. Myers  <jsm28@cam.ac.uk>
12409
12410         * gcc.texi: Define macro gcctabopt.
12411         * invoke.texi: Add manpage sections BUGS and AUTHOR.  Use
12412         @command, @env and @option in some places where appropriate.  Use
12413         @gcctabopt where appropriate.  Put URLs and email addresses inside
12414         @w.
12415
12416 2001-01-10  Nathan Sidwell  <nathan@codesourcery.com>
12417
12418         * gcc.c (cpp_options): Set MD file name from output
12419         filename, if specified.
12420         (suffix_subst): New static variable.
12421         (do_spec): Clear it.
12422         (do_spec_1, case '.'): Handle new `%.suffix' spec.
12423         Clear it.
12424         (give_switch): Handle suffix_subst.
12425
12426 2001-01-10  Phil Edwards  <pme@sources.redhat.com>
12427
12428         * invoke.texi:  Fix another typo.
12429
12430 2001-01-10  Phil Edwards  <pme@sources.redhat.com>
12431
12432         * invoke.texi:  Fix typo.
12433
12434 2001-01-10  Neil Booth  <neil@daikokuya.demon.co.uk>
12435
12436         * c-lang.c (lang_hooks): Update.
12437         (lang_decode_option): Remove.
12438         (lang_init_options): Rename c_init_options.
12439         * toplev.c (main): Use lang_hooks for lang_init_options
12440         and lang_decode_option.
12441         * toplev.h (lang_hooks): Add 2 new hooks.
12442         * tree.h: Remove lang_init_options and lang_decode_option.
12443         * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
12444         * cp/decl2.c: Similarly.
12445         * cp/lex.c (lang_init_options): Rename cxx_init_options.
12446         (lang_hooks): Update.
12447         * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
12448         for consistency.
12449         (lang_init_options): Rename ffe_init_options.
12450         (lang_hooks): Update.
12451         (lang_decode_option): Remove.
12452         * java/lang.c (lang_init_options): Rename java_init_options.
12453         (lang_decode_option): Rename java_decode_option.
12454         (lang_hooks): Update.
12455         * objc/objc-act.c (lang_init_options): Rename objc_init_options.
12456         (lang_decode_option): Rename objc_decode_option.
12457         (lang_hooks): Update.
12458
12459 2001-01-09  Nick Clifton  <nickc@redhat.com>
12460
12461         * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
12462         (d30v_return_addr_rtx): Delete.
12463         (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
12464         cfun->machine structure.
12465         (struct machine_function): Move to d30v.h
12466         (d30v_save_machine_status): Delete.
12467         (d30v_restore_machine_status): Delete.
12468         (d30v_init_machine_status): New Function.
12469         (d30v_mark_machine_status): New Function.
12470         (d30v_free_machine_status): New Function.
12471         (d30v_init_expanders): Use new functions.
12472         (d30v_return_addr): Use ra_rtx field in cfun->machine.
12473         (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
12474         d30v_return_addr_rtx.
12475
12476         * config/d30v/d30v.h (struct_machine): Move here.
12477         Add eh_epilogue_sp_ofs field.
12478
12479         *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
12480         field in cfun->machine structure.
12481
12482 Tue Jan  9 21:34:57 2001  John David Anglin  <dave@hiauly1.hia.nrc.ca>
12483
12484         * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
12485         PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
12486         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
12487
12488 Tue Jan  9 21:25:19 2001  Jeffrey A Law  (law@cygnus.com)
12489
12490         * objc/lang-options.h: Remove bogus reference to
12491         Java trademark.
12492
12493 2001-01-09  Kazu Hirata  <kazu@hxi.com>
12494
12495         * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
12496         return the result.
12497
12498 2001-01-09  Alan Lehotsky  <lehotsky@tiac.net>
12499
12500         * reload.c (find_reloads_address): Check for eliminable registers
12501         when substituting a constant expression for a pseudo.
12502
12503 2001-01-09  Joseph S. Myers  <jsm28@cam.ac.uk>
12504
12505         * c-common.c (enum format_type): Add format_type_error.
12506         (decode_format_type): New function.
12507         (decl_attributes): Use it.
12508         (format_kind_info): Adjust comment.
12509
12510 2001-01-09  David O'Brien  <obrien@BSDi.com>
12511
12512         * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
12513         i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
12514         files in tm_file.
12515         * config/i386/gnu.h: Don't include required platform specific .h files,
12516         tm.h will do it instead.
12517         * config/i386/i386elf.h: Likewise.
12518         * config/i386/linux.h: Likewise.
12519         * config/i386/moss.h: Likewise.
12520         * config/mips/gnu.h: Likewise.
12521
12522 2001-01-09  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
12523
12524         * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
12525         (rs6000-ibm-aix3.[01]*): Likewise.
12526         (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
12527         (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
12528         (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
12529         (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
12530         (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
12531         (powerpc-*-eabiaix*): Likewise.
12532         (powerpc-*-eabisim*): Likewise.
12533         (powerpc-*-elf*): Likewise.
12534         (powerpc-*-eabi*): Likewise.
12535         (powerpc-*-rtems*): Likewise.
12536         (powerpc-*-linux*libc1): Likewise.
12537         (powerpc-*-linux*): Likewise.
12538         (powerpc-wrs-vxworks*): Likewise.
12539         (powerpcle-wrs-vxworks*): Likewise.
12540         (powerpcle-*-sysv*): Likewise.
12541         (powerpcle-*-elf*): Likewise.
12542         (powerpcle-*-eabisim*): Likewise.
12543         (powerpcle-*-eabi*): Likewise.
12544         (powerpcle-*-solaris2*): Likewise.
12545         * config/rs6000/aix31.h: Delete includes.
12546         * config/rs6000/aix3newas.h: Likewise.
12547         * config/rs6000/aix41.h: Likewise.
12548         * config/rs6000/aix43.h: Likewise.
12549         * config/rs6000/beos.h: Likewise.
12550         * config/rs6000/rtems.h: Likewise.
12551         * config/rs6000/sysv4.h: Likewise.
12552
12553 2001-01-09  Kazu Hirata  <kazu@hxi.com>
12554
12555         * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
12556         Change an argument mode of machine_mode to shift_mode of
12557         shift_mode.  Remove an extra error check.
12558         (emit_a_shift): Adopt to the new calling prototype of
12559         get_shift_alg.
12560         (function_prologue): Fix code for a monitor
12561         function.  Support H8/S.
12562         (function_epilogue): Do not output pop for a monitor function.
12563
12564 2001-01-09  Nick Clifton  <nickc@redhat.com>
12565
12566         * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
12567         (setup_incoming_varargs): Use sysv_varargs_p field of the
12568         cfun->machine structure.
12569         (struct machine_function): Move to rs6000.h
12570         (rs6000_save_machine_status): Delete.
12571         (rs6000_restore_machine_status): Delete.
12572         (rs6000_init_machine_status): New Function.
12573         (rs6000_free_machine_status): New Function.
12574         (rs6000_init_expanders): Use new functions.
12575
12576         * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
12577         export.
12578         (struct machine_function): Move here.
12579
12580         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
12581         sysv_varargs_p field of the cfun->machine structure.
12582
12583         * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
12584         Remove prototype.
12585         (rs6000_restore_machine_status): Remove prototype.
12586
12587 2001-01-09  Richard Henderson  <rth@redhat.com>
12588
12589         * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
12590         reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
12591         * sched-deps.c (sched_analyze_1): Update uses of struct deps.
12592         (sched_analyze_2, sched_analyze_insn): Likewise.
12593         (sched_analyze, init_deps): Likewise.
12594         (free_deps): Likewise.  Iterate with EXECUTE_IF_SET_IN_REG_SET.
12595         * sched-rgn.c (propagate_deps): Likewise.  Remove max_reg argument.
12596         (compute_block_backward_dependences): Update propagate_deps call.
12597
12598 2001-01-09  Mark Elbrecht  <snowball3@bigfoot.com>
12599
12600         * gcc.c (process_command): Set switches[n_switches].ordering to 0.
12601
12602 2001-01-09  Neil Booth  <neil@daikokuya.demon.co.uk>
12603
12604         * cppinit.c (OPT_MD, OPT_MMD): Restore.
12605         (cpp_handle_option): Handle them.
12606         (cpp_post_options): Ensure one of -M or -MM is specified with
12607         any other -M? option.
12608         (init_dependency_output): Suppress output with -MG.
12609
12610 2001-01-09  Neil Booth  <neil@daikokuya.demon.co.uk>
12611
12612         * cpp.texi: Update.
12613         * invoke.texi: Update.
12614
12615 2001-01-09  Bernd Schmidt  <bernds@redhat.com>
12616
12617         * sh.md (reload_outsf): Generate recognizable patterns for
12618         TARGET_SH3E.
12619
12620 2001-01-09  Neil Booth  <neil@daikokuya.demon.co.uk>
12621
12622         * c-lang.c (lang_hooks): Update.
12623         (lang_init): Rename c_init.
12624         (lang_finish): Remove.
12625         * toplev.c (compile_file): Use lang_hooks for lang_init ()
12626         and lang_finish ().
12627         * toplev.h (lang_hooks): Add init () and finish ().
12628         * tree.h (lang_init, lang_finish): Remove.
12629         * cp/tree.h (lang_init, lang_finish): Remove.
12630         * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
12631         * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
12632         lang_hooks): New.
12633         (lang_init, lang_finish): Remove.
12634         * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
12635         (lang_hooks): Update.
12636         * java/lang.c (lang_init): Rename java_init.
12637         (lang_finish): Remove.
12638         (lang_hooks): Update.
12639         * objc/objc-act.c (lang_init): Rename objc_init.
12640         (lang_finish): Remove.
12641         (lang_hoooks): Update.
12642
12643 20001-01-09  Graham Stott  <grahams@redhat.com>
12644
12645         * cppfiles.c (_cpp_execute_include): Move `len` initialisation
12646         after `ptr` is initialised.
12647
12648 2001-01-09  Alexandre Oliva  <aoliva@redhat.com>
12649
12650         * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
12651         (INITIALIZE_TRAMPOLINE): Adjust accordingly.
12652         * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
12653         stack adjusts, instead of r3.
12654
12655 2001-01-09  Michael Hayes  <mhayes@redhat.com>
12656
12657         * flow.c (flow_loop_scan): Break out of ...
12658         (flow_loops_find) ... here.
12659         * basic-block.h (flow_loop_scan): New.
12660         (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
12661         (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
12662
12663 2001-01-09  Alexandre Oliva  <aoliva@redhat.com>
12664
12665         * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
12666         macro_buffer_len.
12667         * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
12668         realloc()ing macro_buffer.
12669
12670         * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
12671         if it's wider than long and the target's long is wider than the
12672         host's.
12673
12674 2001-01-09  Mark Mitchell  <mark@codesourcery.com>
12675
12676         Remove support for using UWIN as a host machine.
12677         * configure.in: Issue an error message.
12678         * configure: Regenerated.
12679         * config.gcc: Remove xm_* UWIN configury.
12680         * config/i386/xm-uwin.h: Remove.
12681
12682 2001-01-08  Nick Clifton  <nickc@redhat.com>
12683
12684         * config/v850/v850.c (ra_rtx): Delete.
12685         (v850_save_machine_status): Delete.
12686         (v850_restore_machine_status): Delete.
12687         (v850_init_machine_status): New function.
12688         (v850_mark_machine_status): New function.
12689         (v850_free_machine_status): New function.
12690         (v850_return_addr): Use ra_rtx field in machine structure.
12691         (v850_init_expanders): Use new functions.
12692
12693         * config/v850/v850-protos.h: Fix prototypes for v850_output_*
12694         * config/v850/v850.c: Change arguments to v850_output+* functions
12695         to take a const char *, to avoid compile time warning.
12696         * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
12697         (USER_LABEL_PREFIX): Redefine.
12698
12699 2000-01-08  Jim Wilson  <wilson@redhat.com>
12700
12701         * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
12702         1 to unsigned HOST_WIDE_INT before left shift.
12703
12704 2001-01-08  Nick Clifton  <nickc@redhat.com>
12705
12706         * config/arm/arm.c (arm_mark_machine_status): Check to see if
12707         the machine structure has been allocated.
12708         (arm_free_machine_status): New function: Free the machine
12709         specific function structure.
12710
12711 2001-01-08  Richard Henderson  <rth@redhat.com>
12712
12713         * jump.c (simplejump_p): Revert last change.
12714
12715 2001-01-08  Neil Booth  <neil@daikokuya.demon.co.uk>
12716
12717         * cppinit.c (init): Rename init_library.
12718         (cpp_create_reader): Update.
12719         * gcc.c (cpp_options): If -o given, use it as the target of
12720         any -M options.
12721
12722 2001-01-08  Richard Earnshaw  <rearnsha@arm.com>
12723
12724         * arm.c (arm_arch5e): New variable.
12725         (all_cores): XScale is a 5TE device.
12726         (arm_override_options): Set arm_arch5e.
12727         (arm_init_builtins): __builtin_prefetch is in arch5e.
12728         * arm.h (arm_arch5e): Declare it.
12729
12730         * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
12731
12732         * arm.md (define_constants): Add defines for UNSPEC and
12733         UNSPEC_VOLATILE insns.  Update all users.
12734         (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
12735         * arm.c (multi_register_push, note_invalid_constants)
12736         (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
12737         * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
12738         (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
12739
12740 Mon Jan  8 16:14:56 MET 2001  Jan Hubicka  <jh@suse.cz>
12741
12742         * jump.c (jump_optimize_1): Use reversed_comparison_code
12743         instead of can_reverse_comparison_p.
12744         (jump_back_p): Likewise.
12745         (invert_exp_1): Likewise.
12746         (thread_jumps): Likewise.
12747         * simplify-rtx.c (simplify_unary_operation): Likewise.
12748         (simplify_ternary_operation): Likewise.
12749         * cse.c (find_comparison_args): Convert to use
12750         can_reverse_comparison_p.
12751         (record_jump_equiv): Likewise.
12752
12753 2001-01-08  Richard Earnshaw  <rearnsha@arm.com>
12754
12755         * arm.h (HARD_REGNO_RENAME_OK): Delete.
12756         (EPILOGUE_USES): Define.
12757         (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
12758         automatically stack the LR if it isn't live.
12759
12760 Mon Jan  8 13:46:02 MET 2001  Jan Hubicka  <jh@suse.cz>
12761
12762         * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
12763         properly.
12764
12765 Sun Jan  7 18:37:43 2001  Mark P Mitchell  <mark@codesourcery.com>
12766
12767         * ggc-page.c (max_alignment): New structure.
12768         (MAX_ALIGNMENT): New macro.
12769         (init_ggc): Use it to round up the sizes in the
12770         extra_order_size_table.
12771
12772 2001-01-07  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
12773
12774         * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
12775         after reload.
12776
12777 2001-01-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12778
12779         * builtins.def (BUILT_IN_FPRINTF): New entry.
12780
12781         * c-common.c (c_expand_builtin_fprintf): New function.
12782         (init_function_format_info): Handle __builtin_fprintf.
12783         (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
12784         (c_expand_builtin): Handle BUILT_IN_FPRINTF.
12785
12786         * c-decl.c (duplicate_decls): Adjust comment.
12787
12788         * extend.texi (fprintf): Document new builtin.
12789
12790 2001-01-07  Richard Henderson  <rth@redhat.com>
12791
12792         * jump.c (simplejump_p): Recognize any single_set jump
12793         of the proper form.
12794
12795 2001-01-07  Richard Henderson  <rth@redhat.com>
12796
12797         * configure.in (slibdir): Accept an --with-slibdir option.
12798         Use "test" not "[" in configure.  Default to $(libdir).
12799
12800         * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
12801         fix typo in rm -f.
12802         * config/t-aix43 (SHLIB_INSTALL): Likewise.
12803         * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
12804         (SHLIB_LINK): Create links for the soname.
12805         * config/mips/t-iris6: Likewise.
12806         * config/sparc/t-slibgcc: Likewise.
12807         * config/sparc/t-slibgcc-sld: Likewise.
12808
12809 2001-01-07  Jakub Jelinek  <jakub@redhat.com>
12810
12811         * config/i386/i386.c (constant_call_address_operand): Accept
12812         (const (plus (symbol_ref) (const_int))).
12813         * config/i386/i386.h (PREDICATE_CODES): Add CONST for
12814         constant_call_address_operand.
12815
12816 2001-01-08  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
12817
12818         * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
12819         and LONG_LONG_TYPE_SIZE > 32.
12820
12821 2001-01-07  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
12822
12823         * jump.c (reversed_comparison_code_parts): Fix typo introduced by
12824         the previous change.
12825
12826 Sun Jan  7 19:37:48 MET 2001  Jan Hubicka  <jh@suse.cz>
12827
12828         * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
12829         New.
12830         (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
12831         (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
12832         * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
12833         Declare.
12834
12835 2001-01-07  Neil Booth  <neil@daikokuya.demon.co.uk>
12836
12837         * fix-header.c (read_scan_file): s/pfile/scan_in/.
12838
12839 2001-01-07  Neil Booth  <neil@daikokuya.demon.co.uk>
12840
12841         * c-lang.c (c_post_options): Call cpp_post_options.
12842         * objc/objc-act.c (objc_post_options): Similarly.
12843         * cppmain.c (main): Similarly.
12844         * fix-header.c (read_scan_file): Similarly.
12845         * cppinit.c (cpp_start_read): Move option consistency checks
12846         to cpp_post_options.  Don't call init_dependency_output.
12847         If needed, add default target and main file dependency.
12848         (OPT_MD, OPT_MMD): Remove.
12849         (OPT_MF): New.
12850         (cpp_handle_option): Update for OPT_* changes.
12851         (cpp_post_options): New.
12852         (init_dependency_output): Command line -MF overrides environment
12853         variables.  Don't set default target etc.  Suppress output
12854         if dependencies are going to stdout.
12855         (print_help): Update.
12856         * cpplib.h (cpp_post_options): New.
12857         * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
12858
12859 Sun Jan  7 14:44:19 MET 2001  Jan Hubicka  <jh@suse.cz>
12860
12861         * jump.c (comparison_dominates_p): Support unordered compares.
12862
12863 Sun Jan  7 14:39:07 MET 2001  Jan Hubicka  <jh@suse.cz>
12864
12865         * simplify-rtx.c (simplify_relational_operation): Always simplify
12866         ORDERED and UNORDERED when FLAG_FAST_MATH.  Handle properly UNLE
12867         and UNGE.
12868
12869 Sun Jan  7 14:35:13 MET 2001  Jan Hubicka  <jh@suse.cz>
12870
12871         * combine.c (combine_simplify_rtx): Recognize the unordered compares.
12872         (nonzero_bits): Likewise.
12873         (simplify_comparison): Likewise.
12874         (num_sign_bit_copies): Likewise; return more sane value depending
12875         on STORE_FLAG_VALUE.
12876         (known_cond): Do not assume EQ to be always true for equivalent
12877         operands.
12878
12879 Sun Jan  7 14:31:57 MET 2001  Jan Hubicka  <jh@suse.cz>
12880
12881         * cse.c (fold_rtx): Handle unordered comparisons.
12882
12883 Sun Jan  7 13:49:19 MET 2001  Jan Hubicka  <jh@suse.cz>
12884
12885         * rtlanal.c (set_of_1): New static function.
12886         (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
12887          reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
12888          reg_set_last_last_regno): Remove.
12889         (set_of): New global function.
12890         (set_of_data): New structure.
12891         (reg_set_p, reg_set_last): Revamp for set_of.
12892         * rtl.h (set_of): New.
12893
12894 2001-01-07  Joseph S. Myers  <jsm28@cam.ac.uk>
12895
12896         * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
12897         * extend.texi: Document _Exit builtin.
12898
12899 2001-01-07  Neil Booth  <neil@daikokuya.demon.co.uk>
12900
12901         * (initialize, initialize_builtins,
12902         initialize_dependency_output, initialize_standard_includes):
12903         Rename s/initialize/init. Update.
12904         (init_dependency_output): Move to after
12905         cpp_handle_options, the correct location temporally at least.
12906         (opt_comp): Move next to init (), its caller.  Fix prototype.
12907         (init): Make "initialized" local scope.
12908         (cpp_create_reader): Always call init ().
12909         (cpp_start_read): Update.
12910         (output_deps): New function, broken out of cpp_finish.
12911         (cpp_finish): Break out output_deps.
12912
12913 2001-01-07  Richard Henderson  <rth@redhat.com>
12914
12915         * collect2.c (COFF specific stuff): Revert 12-06 patch
12916         to prototype system functions.
12917
12918 2001-01-07  Michael Hayes  <mhayes@redhat.com>
12919
12920         * hard-reg-set.h: Add multiple include guard.
12921         * basic-block.h (struct loop): Add `sink' field.
12922         * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
12923         (emit_iv_add_mult): Delete.
12924         (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
12925         (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
12926         (unroll_loop): Remove end_insert_before argument.
12927         * loop.c (loop_givs_rescan): Remove end_insert_before argument.
12928         (maybe_eliminate_biv_1): Likewise.
12929         (emit_iv_add_mult): Delete.
12930         (gen_add_mult, loop_regs_update): New.
12931         (loop_insn_emit_after, loop_insn_emit_before): New.
12932         (loop_insn_sink, loop_insn_sink_or_swim): New.
12933         (emit_iv_add_mult): Delete.
12934         (scan_loop): Set loop->sink.
12935         (loop_givs_reduce): Use loop_insn_sink and its ilk.
12936         (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
12937         (maybe_eliminate_biv_1): Likewise.
12938         (maybe_eliminate_biv_1): Add basic block argument.
12939         * unroll.c (unroll_loop): Remove end_insert_before argument.
12940         (find_splittable_regs): Likewise.
12941         (find_splittable_regs): Use loop_insn_sink and its ilk.
12942         (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
12943
12944 2001-01-07  Michael Hayes  <mhayes@redhat.com>
12945
12946         * loop.h (loop_insn_hoist): New prototype.
12947         * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
12948         (move_movables, loop_givs_rescan): Use loop_insn_hoist.
12949         (check_dbra_loop, load_mems): Likewise.
12950         * unroll.c (unroll_loop, find_splittable_regs): Likewise.
12951         (find_splittable_givs): Likewise.
12952
12953 2001-01-07  Michael Hayes  <mhayes@redhat.com>
12954
12955         * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
12956
12957 2001-01-07  Richard Henderson  <rth@redhat.com>
12958
12959         * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
12960
12961 2001-01-07  Richard Henderson  <rth@redhat.com>
12962
12963         * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
12964         NO_SHARED_LIBGCC_MULTILIB as required for the target.
12965         * gcc.c (init_spec): Massage the existing libgcc_spec into a
12966         variant that handles a shared libgcc.
12967         (process_command): Always validate -{static,shared}-libgcc.
12968         (do_spec_1): New 'M' case.
12969         * invoke.text (Link Options): Document -{static,shared}-libgcc.
12970
12971 2001-01-07  Richard Henderson  <rth@redhat.com>
12972
12973         * Makefile.in (slibdir): New variable.
12974         (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
12975         (installdirs): Create slibdir.
12976         (install-libgcc, install-multilib): Defer to libgcc.mk.
12977         * configure.in (slibdir): Substitute.
12978         * mklibgcc.in (install): New target.
12979
12980         * config/t-linux (SHLIB_LINK): Create links for the soname.
12981         (SHLIB_INSTALL): New.
12982         * config/alpha/t-osf4 (SHLIB_INSTALL): New.
12983         * config/mips/t-iris6 (SHLIB_INSTALL): New.
12984         * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
12985         * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
12986         * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
12987
12988 2001-01-07  Richard Henderson  <rth@redhat.com>
12989
12990         * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
12991         * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
12992         * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
12993
12994 2001-01-07  Michael Hayes  <mhayes@redhat.com>
12995
12996         * loop.c (count_loop_regs_set): Delete.
12997         (load_mems_and_recount_loop_regs_set): Delete.
12998         (loop_regs_scan): Merge common code from count_loop_regs_set,
12999         scan_loop, and load_mems_and_recount_loop_regs_set.
13000         (scan_loop): Call load_mems directly and loop_regs_scan
13001         again if new registers created.
13002
13003 2001-01-07  Neil Booth  <neil@daikokuya.demon.co.uk>
13004
13005         * toplev.c (main): Call the front-end specific post_options
13006         hook if one is given.
13007         * toplev.h (struct_lang_hooks, lang_hooks): New.
13008         * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
13009         for the C front end.
13010         * cp/decl2.c (cxx_post_options, lang_hooks): Implement
13011         lang_hooks for the C++ front end.
13012         * objc/objc-act.c (objc_post_options, lang_hooks): Implement
13013         lang_hooks for the ObjC front end.
13014         * f/com.c (lang_hooks): Hooks for the Fortran front end.
13015         * java/lang.c (lang_hooks): Hooks for the Java front end.
13016
13017 2001-01-07  Neil Booth  <neil@daikokuya.demon.co.uk>
13018
13019         * c-lex.c (init_c_lex): Request #define / #undef callbacks
13020         for verbose DWARF[2] debugging.
13021         (cb_define, cb_undef): The new callbacks.
13022         * toplev.h (debug_define, debug_undef): Make const correct.
13023         * toplev.c (debug_define, debug_undef): Similarly.  Do not
13024         perform the verbosity tests here anymore.
13025
13026 2001-01-07  Alexandre Oliva  <aoliva@redhat.com>
13027
13028         * reload.c (subst_reloads): Take INSN argument.  When
13029         replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
13030         * reload.h (subst_reloads): Adjust prototype.
13031         * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
13032         * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
13033         present in JUMP_INSNs and copy them to JUMP_LABEL.
13034         * flow.c (find_label_refs, find_basic_blocks_1): Skip
13035         JUMP_INSNs and insns with REG_LABELs that are followed by
13036         JUMP_INSNs with the same REG_LABEL.
13037         * sched-rgn.c (is_cfg_nonregular): Likewise.
13038         * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
13039         note is available.
13040         * unroll.c (unroll_loop): Look for REG_LABEL notes in
13041         JUMP_INSNs too.
13042         * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
13043
13044 2001-01-06  Richard Henderson  <rth@redhat.com>
13045
13046         * loop.c (scan_loop): Use xcalloc for the regs array.
13047         (load_mems_and_recount_loop_regs_set): Zero the new memory
13048         received from xrealloc.
13049
13050 2001-01-06  Neil Booth  <neil@daikokuya.demon.co.uk>
13051
13052         * mkdeps.c (deps_add_dep): Fix vector re-allocation.
13053
13054 Sat Jan  6 00:09:34 2001  J"orn Rennecke <amylaar@redhat.com>
13055
13056         * integrate.c (copy_rtx_and_substitute): When copying
13057         an ignored return value, strip REG_FUNCTION_VALUE_P.
13058
13059 2001-01-06  Michael Hayes  <mhayes@redhat.com>
13060
13061         * loop.c (debug_biv, debug_giv): New.
13062         (loop_biv_dump): Break out from ...
13063         (record_biv): ... here.
13064         (loop_giv_dump): Break out from ...
13065         (record_giv): ... here.
13066         (loop_bivs_check): Use print_simple_rtl.
13067         * unroll.c (loop_iterations): Use print_simple_rtl.
13068
13069 2000-01-05  John David Anglin  <dave@hiauly1.hia.nrc.ca>
13070
13071         * pa.md (return, return_internal): Modify patterns to prevent regrename
13072         mucking with the return pointer.
13073
13074 2001-01-05  Richard Henderson  <rth@redhat.com>
13075
13076         * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
13077
13078 Fri Jan  5 16:34:18 2001  Nick Clifton  <nickc@redhat.com>
13079
13080         * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
13081         version supplied by Matteo Frigo.
13082
13083 2001-01-05  Neil Booth  <neil@daikokuya.demon.co.uk>
13084
13085         * cpp.texi: Update for -MQ.
13086         * cppinit.c (cpp_create_reader): Always create pfile->deps.
13087         (cpp_cleanup): Always free pfile->deps.
13088         (initialize_dependency_output): Don't create pfile->deps.
13089         (cpp_handle_option): Similarly.
13090         (OPT_MQ): New.
13091         * gcc.c (cpp_options): Handle -MQ.
13092         (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
13093         * mkdeps.c (base_name): Remove.
13094         (deps_init): Don't allocate vector space until it's needed.
13095         (deps_free): Only free vectors if allocated.
13096         (deps_add_target, deps_add_dep): Update for initial allocation.
13097         (deps_add_default_target): Don't strip to the base_name.
13098
13099 2001-01-05  DJ Delorie <dj@redhat.com>
13100
13101         * config/v850/v850.h (RETURN_ADDR_RTX): Define.
13102         (INIT_EXPANDERS): Define.
13103
13104         * config/v850/v850.c (struct machine_function): Define.
13105         (v850_save_machine_status): New function.
13106         (v850_restore_machine_status): New function.
13107         (v850_return_addr): New function.
13108         (v850_init_expanders): New function.
13109
13110         * config/v850/v850-protos.h: Add prototypes for v850_return_addr
13111         and v850_init_expanders.
13112
13113 2001-01-05  Zack Weinberg  <zack@wolery.stanford.edu>
13114
13115         * cpplib.h (struct cpp_reader): Add help_only field.
13116         * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
13117         (cpp_handle_option): Set pfile->help_only if we see -h,
13118         --help, -target-help, or --version.  Print version string but
13119         do not set help_only if we see -v or -version.  Make text
13120         printed by -v match that printed by (-)-version.
13121
13122         * cppmain.c (main): Exit after option parsing if
13123         pfile->help_only is true.
13124
13125         * toplev.c (independent_decode_option): Call print_version,
13126         then exit, if we see --version (but not -version).
13127         (print_version): Split lengthy message into two lines.
13128
13129 2001-01-05  Nick Clifton  <nickc@redhat.com>
13130
13131         * config/v850/v850.c (v850_encode_data_area): Use alloca to create
13132         temporary string for initialisation before calling ggc_alloc_string.
13133
13134 2001-01-06  Michael Hayes  <mhayes@redhat.com>
13135
13136         * rtl.h (print_simple_rtl): New.
13137         * print-rtl.c (print_simple_rtl): New.
13138         (flag_simple): New.
13139         (print_rtx): Disable printing of flags and modes, etc.,
13140         if `flag_simple` nonzero.
13141
13142 2001-01-05  Zack Weinberg  <zack@wolery.stanford.edu>
13143
13144         * function.c (fixup_var_refs): Use push_to_full_sequence where
13145         possible.
13146
13147 2001-01-05  Michael Meissner  <meissner@redhat.com>
13148
13149         * flags.h (flag_reorder_blocks): Add declaration.
13150         (flag_rename_block): Ditto.
13151
13152 2001-01-05  DJ Delorie  <dj@redhat.com>
13153
13154         * function.c (reorder_blocks): Make sure the flags are all reset
13155         before using them to mark blocks, else a second invocation will
13156         corrupt the block chain.
13157         (reorder_blocks_0): New, resets the flags.
13158
13159 Fri Jan  5 20:34:06 2001  J"orn Rennecke <amylaar@redhat.com>
13160
13161         * cse.c (find_comparison_args): Stop if the argument is known to
13162         be constant.
13163
13164 2001-01-05  Alexandre Oliva  <aoliva@redhat.com>
13165
13166         * config/sh/sh.md (movdf): When splitting load into pair of
13167         registers, don't clobber the register used in the address too
13168         early.
13169
13170 2001-01-05  Jeffrey Oldham  <oldham@codesourcery.com>
13171
13172         * varasm.c (mark_constant_pool): Improve initial comments.
13173         (mark_constants): Move marking of constants to mark_constant.
13174         (mark_constant): New function to recursively mark all constants
13175         referred to by a constant.
13176
13177 2001-01-05  Catherine Moore  <clm@redhat.com>
13178
13179         * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
13180
13181 2001-01-05  Phil Edwards  <pme@sources.redhat.com>
13182
13183         * cp/lang-options.h:  Bring comment in line with reality.
13184         * f/lang-options.h:  Likewise.
13185         * java/lang-options.h:  Likewise.
13186         * objc/lang-options.h:  Likewise.
13187         * ch/lang-options.h:  Likewise.
13188         * f/g77.texi:  And update the manual.
13189
13190 2001-01-05  Marek Michalkiewicz  <marekm@linux.org.pl>
13191             Denis Chertykov  <denisc@overta.ru>
13192
13193         * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
13194         * config/avr/avr.c (avr_peep2_scratch_safe): New function.
13195         * config/avr/avr.md (all peepholes that request a scratch register):
13196         Call it, FAIL the peephole if not safe (in interrupt functions).
13197
13198 2001-01-05  Mark Mitchell  <mark@codesourcery.com>
13199
13200         * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
13201
13202 2001-01-05  Joseph S. Myers  <jsm28@cam.ac.uk>
13203
13204         * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
13205         Define.
13206         * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
13207         BUILT_IN_CREAL and BUILT_IN_CIMAG.
13208         * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
13209         conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
13210         (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
13211         BUILT_IN_CIMAG.
13212         * extend.texi: Document these builtins.
13213
13214 2001-01-05  Daniel Berlin  <dberlin@redhat.com>
13215
13216         * c-common.c (lang_get_alias_set): Say we know nothing of
13217         VECTOR_TYPE aliasing.
13218
13219         * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
13220
13221 2001-01-05  Bruce Korb  <bkorb@gnu.org>
13222
13223         * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
13224         their x* equivalent versions for atexit-less systems
13225         * fixinc/fixincl.c(main): do not return from main() on atexit-less
13226         systems (or any other system any more).
13227
13228 2001-01-05  Richard Earnshaw  <rearnsha@arm.com>
13229
13230         * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
13231         output operands.  Use arm_hard_register_operand for operand 4.
13232         (stmsi_postinc): Similarly.
13233         (ldmsi): Use arm_hard_register_operand for opernand 2.
13234         (stmsi): Similarly.
13235         * arm.c (arm_hard_register_operand): New function.
13236         * arm-protos.h (arm_hard_register_operand): Prototype it.
13237
13238         * arm.h (HARD_REGNO_RENAME_OK): Define.
13239
13240 Fri Jan  5 16:29:49 MET 2001  Jan Hubicka  <jh@suse.cz>
13241
13242         * simplify-rtx.c (cfc_args): add "unordered" field.
13243         (check_fold_consts): Set unordered field.
13244         (simplify_relational_operation): Simplify the unordered
13245         comparisons.
13246
13247         * reg-stack.c (swap_rtx_condition): Ensure that the transformation
13248         is valid.
13249
13250         * emit-rtl.c (try_split): Fix code to mark labels.
13251         * jump.c (mark_jump_label): Make global.
13252         * rtl.h (mark_jump_label): Declare.
13253
13254         * predict.c (estimate_probability): Handle unordred comparisons.
13255
13256 2001-01-05  Neil Booth  <neil@daikokuya.demon.co.uk>
13257
13258         * cpp.texi: Update for -MP.  Clarify behaviour of -MT.
13259         * cppinit.c (initialize_dependency_output):  Update.
13260         (cpp_finish): Output dummy targets for -MP.
13261         (OPT_MP): New.
13262         (cpp_handle_option): Handle -MP.  Don't quote -MT options.
13263         * cpplib.h (struct cpp_options): Add deps_phony_targets.
13264         * gcc.c (cpp_options): Update to handle -MP.
13265         * mkdeps.c (deps_add_target, deps_add_default_target): Update
13266         to quote only the default target.
13267         (deps_phony_targets): Insert a preceding newline.  Rename from
13268         deps_dummy_targets for consistency.
13269         * mkdeps.h: Update
13270
13271 2001-01-05  Alexandre Oliva  <aoliva@redhat.com>
13272
13273         * calls.c (emit_library_call_value_1): Support
13274         INIT_CUMULATIVE_LIBCALL_ARGS.
13275         * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
13276
13277 2001-01-04  Richard Henderson  <rth@redhat.com>
13278
13279         * c-decl.c (finish_struct): Detect flexible array members
13280         used in an inappropriate context.
13281         * c-typeck.c (really_start_incremental_init): Special case
13282         constructor_max_index for zero length arrays.
13283         (pop_init_level): Allow initialization of flexible array
13284         members.  Deprecate initialization of zero length arrays.
13285         Don't issue missing initializer warning for flexible array
13286         members or zero length arrays.
13287         (process_init_element): Don't dereference null DECL_SIZE.
13288         * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
13289         Don't abort for empty constructors.  Use size_binop
13290         (output_constructor): Add commentary regarding zero length
13291         array futures.  Abort if we try to initialize an array of
13292         unspecified length with a non-empty constructor in the middle
13293         of a structure.
13294
13295         * extend.texi (Zero Length): Update and clarify documentation
13296         on static initialization.
13297
13298 2001-01-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
13299
13300         * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
13301         with more than 32767 words of local storage.
13302
13303 2001-01-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
13304
13305         * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
13306         for 'abs', 'labs', and 'fabs'.
13307         (c4x_expand_builtin): Likewise.
13308         * config/c4x/c4x.h (enum c4x_builtins): Likewise.
13309
13310 2001-01-05  Alexandre Oliva  <aoliva@redhat.com>
13311
13312         * config/sh/sh.md (prget, prset): New insn types.
13313         (return delay slot): Dont' allow prset.
13314         (call, sfunc delay slot): Don't allow prget.
13315         (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
13316         for prset and prget.
13317
13318 2001-01-05  Michael Hayes  <mhayes@redhat.com>
13319
13320         * loop.h (struct loop_reg): New.
13321         (struct loop_regs): Change to use array of `struct loop_reg'.
13322         * loop.c: Replace assortment of varrays with single regs array.
13323         (count_one_set): Delete may_not_move array argument
13324         and use regs array instead.  All caller's changed.
13325         (count_loop_regs_set): Delete may_not_move and single_usage
13326         arguments and use regs array instead.  All caller's changed.
13327         (find_single_use_in_loop): Replace usage array argument with pointer
13328         to regs structure.  All caller's changed.
13329         (loop_optimize): Delete `moved_once' array.
13330
13331 2001-01-05  Michael Hayes  <mhayes@redhat.com>
13332
13333         * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
13334         Use it instead of loop_info->has_call for scanning loop mems.
13335         (check_dbra_loop): Replace loop_info->has_call test with
13336         loop_info->has_nonconst_call.
13337
13338 2000-01-04  Matthew Hiller  <hiller@redhat.com>
13339
13340         * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
13341         for TARGET_SH3E.
13342
13343 2001-01-04  Joseph S. Myers  <jsm28@cam.ac.uk>
13344
13345         * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
13346         use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
13347
13348 2001-01-04  Joseph S. Myers  <jsm28@cam.ac.uk>
13349
13350         * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
13351         (flag_short_double, flag_short_wchar): Define.
13352         (c_common_nodes_and_builtins): Create many tree nodes shared
13353         between C and C++ here instead of in cp/decl.c and ...
13354         * c-decl.c (init_decl_processing): ... here.
13355         (SIZE_TYPE, WCHAR_TYPE): Don't define.
13356         (flag_short_double, flag_short_wchar): Don't define.
13357         (record_builtin_type): New function.
13358         (build_void_list_node): New function.
13359         * c-common.h (flag_short_double, flag_short_wchar,
13360         record_builtin_type, build_void_list_node): Declare.
13361
13362 Thu Jan  4 21:09:47 2001  J"orn Rennecke <amylaar@redhat.com>
13363
13364         * integrate.c (expand_inline_function): Don't put a virtual
13365         register into the reg map.
13366
13367         * function.c (fixup_var_refs_1): If force_operand didn't put
13368         the address into the target, move it there.
13369
13370 2001-01-04  Mark Mitchell  <mark@codesourcery.com>
13371
13372         Special-case tree_decl/tree_list allocations.
13373         * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
13374         (OBJECT_SIZE): New macro.
13375         (NUM_EXTRA_ORDER): Likewise.
13376         (extra_order_size_table): New variable.
13377         (NUM_ORDERS): New macro.
13378         (objects_per_page_table): New variable.
13379         (object_size_table): New variable.
13380         (G.pages): Use NUM_ORDERS to bound the array.
13381         (G.page_tails): Likewise.
13382         (DIV_ROUND_UP): Remove.
13383         (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
13384         (alloc_page): Use OBJECT_SIZE.
13385         (size_lookup): Don't make it const.
13386         (ggc_alloc): Use OBJECT_SIZE.
13387         (ggc_set_mark): Likewise.
13388         (ggc_get_size): Likewise.
13389         (init_ggc): Set up the object_size_table, objects_per_page_table,
13390         and adjust size_lookup.
13391         (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
13392         (ggc_pop_context): Use NUM_ORDERS.
13393         (clear_marks): Likewise.
13394         (sweep_pages): Likewise.
13395         (poison_pages): Likewise.
13396         (ggc_print_statistics): Use OBJECT_SIZE.
13397
13398 Thu Jan  4 15:54:05 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13399
13400         * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
13401         Only call array_size_for_constructor if last field and array type
13402         with no upper bound.
13403
13404 2001-01-04  Philip Blundell  <philb@gnu.org>
13405
13406         * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
13407         from bit 31 downwards, if this requires no more insns.
13408         (count_insns_for_constant): New helper function for above.
13409
13410 2001-01-04  Alexandre Oliva  <aoliva@redhat.com>
13411
13412         * gencodes.c (output_predicate_decls): Remove empty initializer.
13413
13414 2001-01-04  Mark Mitchell  <mark@codesourcery.com>
13415
13416         * tree.c (copy_node): Remove documentation about obstacks.
13417         (buidl1): Check that nobody tries to build 2-argument nodes this
13418         way.
13419
13420 2001-01-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13421
13422         * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
13423         fp_high_losum_p.
13424
13425         * gencodes.c (output_predicate_decls): Fill empty initializer
13426         braces.
13427
13428 2001-01-04  Jakub Jelinek  <jakub@redhat.com>
13429
13430         * tradcpp.c (deps_file, print_deps_missing_files): New variables.
13431         (main): Handle -MG, -MD, -MMD.  Bail out if -MG is given without -M
13432         or -MM.
13433         (do_include): Handle missing headers like cpp0.
13434         * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
13435         paths with first include pathname.  Don't strcat to uninitialized
13436         string.
13437
13438 2001-01-04  Bernd Schmidt  <bernds@redhat.com>
13439
13440         * regrename.c (regrename_optimize): Don't rename from frame pointer
13441         if frame_pointer_needed.
13442         (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
13443         * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
13444         (ia64_reorg): Use it instead of scheduling if ! optimize.
13445         (errata_emit_nops): Properly call asm_noperands.
13446         (ia64_sched_reorder): Finish cycle if we see an asm.
13447         (ia64_variable_issue): Clear scheduling state after asms.
13448
13449 2001-01-04  Neil Booth  <neil@daikokuya.demon.co.uk>
13450
13451         * cpp.texi: Update for -MT.
13452         * cppinit.c (initialize_dependency_output): Add a default
13453         target if none has been given already.
13454         (no_tgt, OPT_MT): New.
13455         (cpp_handle_option): Handle -MT.  Update -M etc.
13456         * cpplib.h (struct cpp_options): Remove deps_target.
13457         * gcc.c (cpp_options): Handle -MT.
13458         * mkdeps.c (struct deps): Move from mkdeps.h.
13459         (deps_calc_target): Rename deps_add_default_target.  Add a
13460         default target if none has been specified already.
13461         * mkdeps.h (struct deps): Move to mkdeps.c.
13462         (deps_calc_target): Rename deps_add_default_target.
13463
13464 2000-01-03  Richard Henderson  <rth@redhat.com>
13465
13466         * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
13467         Remove dead code.
13468         * c-typeck.c (push_init_level): Move checks for flexible array
13469         members and zero length arrays ...
13470         (pop_init_level): ... here.  Silently discard empty initializations.
13471         Remove dead code.
13472         * varasm.c (output_constructor): Update for sizeof change to
13473         zero-length arrays.
13474
13475         * extend.texi (Zero Length): Clarify semantics.
13476
13477 2001-01-03  Alexandre Oliva  <aoliva@redhat.com>
13478
13479         * configure.in (tm.h): Include isns-codes.h last.
13480         * configure: Rebuilt.
13481
13482 2001-01-03  Richard Henderson  <rth@redhat.com>
13483
13484         * config/alpha/alpha.md (addvsi3, addvdi3): New.
13485         (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
13486
13487 2001-01-03  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
13488
13489         * tradcpp.c (main): Make sure finclude() is called with a valid
13490         indepth value while handling -include.
13491
13492 2001-01-03  Alexandre Oliva  <aoliva@redhat.com>
13493
13494         * gencodes.c (output_predicate_decls): New function.
13495         (main): Call it.
13496         * machmode.h (GET_MODE_MASK): Arrange for it to be defined
13497         even if it is not the first time machmode.h is #included.
13498         * config/sh/sh.c (fpul_operand): Declare MODE argument.
13499         * tm.texi (PREDICATE_CODES): Document predicate declarations.
13500         * gcc.texi (Copyright): Added 2001.
13501
13502 2001-01-03  Joseph S. Myers  <jsm28@cam.ac.uk>
13503
13504         * c-common.c (c_common_lang_init): New function.  Warn if format
13505         warning options which only have effects when used with -Wformat
13506         are used without -Wformat.
13507         * c-common.h (c_common_lang_init): Declare.
13508         * c-lang.c (lang_init): Call c_common_lang_init.
13509         * objc/objc-act.c (lang_init): Call c_common_lang_init.
13510
13511 2001-01-03  Joseph S. Myers  <jsm28@cam.ac.uk>
13512
13513         * configure.in: Check for the mktemp command.
13514         * configure: Regenerate.
13515         * gccbug.in: Use a separate temporary file $TEMP0 for one use of
13516         $TEMP.  Create temporary files with mktemp, if available at
13517         configure time; otherwise use set -C.  Remove temporary files
13518         before exit.
13519
13520 2001-01-03  Joseph S. Myers  <jsm28@cam.ac.uk>
13521
13522         * configure.in: Require at least texinfo 4.0.  Check for whether
13523         Pod::Man is sufficiently recent to regenerate GCC manpages.
13524         * configure:  Regenerate.
13525         * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
13526         on #!.
13527         (GENERATED_MANPAGES): Define.
13528         (generated-manpages): New target.  Depend on cpp.1 as well as
13529         gcov.1.
13530         (install-man): Depend on $(GENERATED_MANPAGES) (defined by
13531         configure to generated-manpages or empty) rather than on the
13532         manpages directly.  Remove execute permission from installed
13533         gcov.1 as well as cpp.1.
13534         * cpp.1, gcov.1: Regenerate.
13535
13536 2001-01-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13537
13538         * builtins.c (expand_builtin_strncmp): Use host_integerp and
13539         tree_low_cst.  Allow using cmpstrsi in more cases.
13540
13541 Wed Jan  3 10:48:43 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13542
13543         * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
13544         sized types.
13545
13546 Wed Jan  3 12:22:32 2001  Alexandre Oliva  <aoliva@redhat.com>
13547
13548         * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
13549         * Makefile.in (HOST_CFLAGS): Mention build-make.
13550
13551 Wed Jan  3 08:53:50 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13552
13553         * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
13554         as JUMP_INSN.
13555
13556 2001-01-01  Bernd Schmidt  <bernds@redhat.com>
13557
13558         * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
13559         a REG rtx.
13560
13561         * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg.  All
13562         callers changed.
13563
13564         * alias.c (throughout): Use ORIGINAL_REGNO when accessing
13565         reg_base_value and reg_known_value arrays.
13566         (init_alias_analysis): Add more cases to detect known values.
13567         * sched-deps.c (deps_may_trap_p): New function.
13568         (sched_analyze_2): Use it.
13569
13570 2001-01-03  Alexandre Oliva  <aoliva@redhat.com>
13571
13572         * combine.c (simplify_shift_const): Even if we're sign-extracting,
13573         don't discard an ASHIFTRT if we're shifting in a wider mode.
13574
13575 2000-01-02  John David Anglin  <dave@hiauly1.hia.nrc.ca>
13576
13577         * toplev.c (rest_of_compilation): Don't print basic block information
13578         when CFG isn't up to date.
13579
13580 2001-01-02  Mark Elbrecht  <snowball3@bigfoot.com>
13581
13582         * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
13583         (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
13584         (UNALIGNED_SHORT_ASM_OP): Define.
13585         (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
13586
13587 2001-01-02  Mark Mitchell  <mark@codesourcery.com>
13588
13589         * fold-const.c (fold_convert): Fix typo.
13590
13591 2001-01-02  Richard Henderson  <rth@redhat.com>
13592
13593         * c-common.h (ASM_INPUT_P): New.
13594         * c-parse.in (asm): Set it when needed.
13595         * c-semantics.c (genrtl_asm_stmt): Test it instead of the
13596         existance of an operand.
13597
13598 Tue Jan  2 20:27:07 MET 2001  Jan Hubicka  <jh@suse.cz>
13599
13600         * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
13601         (dwarf2out_frame_debug_expr): Likewise.
13602         (mem_loc_descriptor): Handle PRE and POST_MODIFY.
13603
13604 Tue Jan  2 20:21:31 MET 2001  Jan Hubicka  <jh@suse.cz>
13605
13606         * i386.c (ix86_split_to_parts): Return number of part required;
13607         handle TFmodes.
13608         (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
13609         TFmodes.
13610         (ix86_split_long_move): Use number of part returned
13611         by ix86_split_to_parts
13612         * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
13613         New macros.
13614         (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
13615         (LONG_DOUBLE_TYPE_SIZE): Change from constant.
13616         (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
13617         (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
13618         (ALIGN_MODE_128): Add TFmode.
13619         (IS_STACK_MODE): Likewise.
13620         (HARD_REGNO_NREGS): TFmode needs 3 registers.
13621         (HARD_REGNO_OK): Support TFmodes.
13622         (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
13623         * i386.md (scheduler definitions): Use memory operand to determine
13624         fst/fld instructions; use mode attribute to determine real mode of
13625         the instruction.
13626         (*tf): New patterns, expanders and splitters; based on XFmode patterns.
13627         * invoke.texi (128bit-long-double, 96bit-long-double): Document.
13628
13629 2001-01-02  Mark Mitchell  <mark@codesourcery.com>
13630
13631         * tree.def (TRUTH_NOT_EXPR): Improve documentation.
13632
13633 Tue Jan  2 10:47:38 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.
13634
13635         * expr.c (store_constructor_field): Update ALIGN before calling
13636         store_constructor.
13637
13638 2001-01-02  Jeffrey Oldham  <oldham@codesourcery.com>
13639
13640         * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
13641         host_integerp.
13642
13643 2001-01-02  Jeffrey Oldham  <oldham@codesourcery.com>
13644
13645         * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
13646         incomplete type.
13647
13648 Tue Jan  2 10:47:38 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.
13649
13650         * c-decl.c (start_function): Don't warn on third parameter to main.
13651
13652 2001-01-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13653
13654         * tsystem.h: Define HAVE_DECL_GETOPT.
13655
13656 2001-01-02  Philip Blundell  <pb@futuretv.com>
13657
13658         * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
13659         of input operand.
13660
13661 2001-01-02  Richard Henderson  <rth@redhat.com>
13662
13663         * alpha.md (*ze_and_ne): Duplicate insn condition to split.
13664
13665 2001-01-02  Andreas Jaeger  <aj@suse.de>
13666
13667         * c-decl.c (c_decode_option): Remove support of
13668         -Wmissing-noreturn.
13669
13670         * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
13671         (W_options): Add -Wmissing-noreturn here.
13672
13673         * flow.c: Define lang_missing_noreturn_ok_p.
13674         (check_function_return_warnings): Use it.
13675
13676         * c-common.h: Declare lang_missing_noreturn_ok_p.
13677
13678         * c-lang.c (c_missing_noreturn_ok_p): New function.
13679         (lang_init): Set lang_missing_noreturn_ok_p.
13680
13681         * invoke.texi (Warning Options): Document this.
13682
13683 2000-12-27  Phil Edwards  <pme@sources.redhat.com>
13684
13685         * extend.texi (C++ Extensions):  New node for C++ attributes;
13686         describe init_priority and com_interface.
13687         * invoke.texi:  Remove -finit-priority as it now has zero effect.
13688         * install.texi:  Fix xref syntax.
13689         * md.texi:  Likewise.
13690
13691 Mon Jan  1 21:28:29 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13692
13693         * config.gcc (sparc64-wrs-vxworks*): New case.
13694         * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
13695
13696         * config/sparc/sparc.c (sparc_override_options): Do support different
13697         pointer and architecture size.
13698         * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
13699         (POINTERS_EXTEND_UNSIGNED): Define.
13700         (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
13701         (FUNCTION_MODE): Define to be Pmode.
13702         * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
13703
13704         * function.c (expand_function_end): Properly handle DECL_RESULT
13705         and copy when ptr_mode != Pmode.
13706         * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
13707
13708 2001-01-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13709
13710         * c-common.c (c_common_nodes_and_builtins): Set prototype
13711         parameters for __builtin_fputs, __builtin_fputc and
13712         __builtin_fwrite.  Don't declare plain fputc as a builtin.
13713
13714 2001-01-01  John David Anglin  <dave@hiauly1.hia.nrc.ca>
13715
13716         * loop.c (add_label_notes): Increment the label usage count when
13717         a note is added to an insn which refers to a CODE_LABEL.
13718         * gcse.c (add_label_notes): Likewise.
13719
13720 2001-01-01  Andreas Jaeger  <aj@suse.de>
13721
13722         * loop.c (scan_loop): Use xmalloc to allocate movables.
13723
13724 2001-01-01  Alexandre Oliva  <aoliva@redhat.com>
13725
13726         * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
13727         * reload.c (REGISTER_MOVE_COST): Likewise.  Adjust all callers.
13728         * reload1.c (REGISTER_MOVE_COST): Likewise.
13729         * regclass.c (REGISTER_MOVE_COST): Likewise.
13730         (move_cost, may_move_in_cost, may_move_out_cost): Add mode
13731         dimension.  Adjust all users.
13732         (init_reg_sets_1): Iterate on all modes.
13733         * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
13734         * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
13735         * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
13736         * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
13737         * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
13738         * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
13739         * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
13740         * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
13741         * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
13742         * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
13743         * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
13744         * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
13745         * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
13746         * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
13747         * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
13748         * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
13749         * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
13750         * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
13751         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
13752         * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
13753         * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
13754         * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
13755         * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
13756         * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
13757         * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
13758         * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
13759         * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
13760
13761 2001-01-01  Bernd Schmidt  <bernds@redhat.com>
13762
13763         * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
13764         arg VARIES_P.  Call it with extra arg.
13765         (true_dependence): Likewise.
13766         * rtl.h (rtx_addr_can_trap_p): Declare.
13767         (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
13768         prototypes.
13769         * rtlanal.c (rtx_addr_can_trap_p): No longer static.
13770         (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
13771         pic offset table register if it's zero.  All callers changed.
13772         (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
13773
13774 Mon Jan  1 07:38:33 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13775
13776         * explow.c (convert_memory_address, case SYMBOL_REF): Copy
13777         STRING_POOL_ADDRESS_P.
13778
13779         * config/sparc/sparc.c (input_operand): Properly test for short op.
13780
13781         * config.gcc (sparc-*-elf): Include sparc/sol2.h.
13782         (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
13783         (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
13784         * config/sparc/elf.h: No longer include sol2.h.
13785         * config/sparc/lifeelf.h: No longer include sparc/elf.h.
13786         * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
13787
13788         * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
13789
13790 2001-01-01  Michael Hayes  <mhayes@redhat.com>
13791
13792         * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
13793         (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
13794         (record_initial): Likewise.
13795         * unroll.c (copy_loop_body, loop_iterations): Likewise.
13796         (remap_split_bivs): Likewise.
13797
13798 2001-01-01  Michael Hayes  <mhayes@redhat.com>
13799
13800         * loop.c (loop_ivs_free): New function.
13801         (strength_reduce): Break out from...
13802
13803 2001-01-01  Michael Hayes  <mhayes@redhat.com>
13804
13805         * loop.h (struct iv): New.
13806         (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
13807         (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
13808         'reg_biv_class' fields with 'regs' and 'n_regs'.
13809         (struct ivs): Rename 'loop_iv_list' field to 'list'.
13810         * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
13811         * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
13812
13813 2000-12-31  Alexandre Oliva  <aoliva@redhat.com>
13814
13815         * resource.c (mark_referenced_resources): Abort() before
13816         attempting to mark a pseudo register.
13817         (mark_set_resources): Likewise.
13818
13819 2001-01-01  Michael Hayes  <mhayes@redhat.com>
13820
13821         * loop.h (REG_IV_CLASS): New accessor macro.
13822         * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
13823         * unroll.c (REG_IV_CLASS): Likewise.
13824
13825 See ChangeLog.4 for earlier changes.