gcc/ChangeLog

   1 2001-06-24  Joseph S. Myers  <jsm28@cam.ac.uk>
   2
   3         * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
   4         doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Remove
   5         uses of @refill.
   6
   7 Sun Jun 24 21:21:49 CEST 2001  Jan Hubicka  <jh@suse.cz>
   8
   9         * (movsi_insv_1, movsi_insv_1_rex64): Allow immediate operand.
  10
  11 2001-06-24  Richard Henderson  <rth@redhat.com>
  12
  13         * builtins.c (expand_builtin_expect_jump): Disable if the
  14         expression can't be re-evaluated.
  15
  16 2001-06-24  Nick Clifton  <nickc@cambridge.redhat.com>
  17
  18         * config/arm/arm.c (arm_compute_save_reg_mask): For FIQ interrupt
  19         handlers examine register r0-r7, for other interrupt handlers
  20         examine r0-r12.  If the interrupt handler is not a leaf function
  21         save all call clobbered registers.
  22         (arm_output_epilogue): If the prologue has pushed the IP register,
  23         restore it here.
  24         (Arm_expand_prologue): For interrupt functions that need the frame
  25         pointer, push the IP register before it is corrupted.
  26
  27         * config/arm/arm.h (ARM_SIGN_EXTEND): Fix compile time warnings
  28         about the use of signed and unsigned quantities in a conditional.
  29
  30 2001-06-23  Richard Henderson  <rth@redhat.com>
  31
  32         * config/alpha/crtfastmath.c: New file.
  33         * config/alpha/t-crtfm: New file.
  34         * config/alpha/elf.h (ENDFILE_SPEC): Use crtfastmath.o.
  35         * config/alpha/osf.h (ENDFILE_SPEC): Likewise.
  36         * config/alpha/t-crtbe (EXTRA_PARTS): Add pieces defined here.
  37         * config.gcc (alpha-{linux,freebsd,netbsd,osf}): Use alpha/t-crtfm;
  38         do not set extra_parts here.
  39
  40 2001-06-24  Joseph S. Myers  <jsm28@cam.ac.uk>
  41
  42         * doc/install-old.texi: Remove more documentation of configure
  43         options.
  44         * doc/install.texi: Add it here.
  45
  46 Sat Jun 23 19:40:05 CEST 2001  Jan Hubicka  <jh@suse.cz>
  47
  48         * i386-protos.h (emit_i387_cw_initialization): Declare.
  49         * i386.md (movsi_insv_1): Remove '*'.
  50         (fix_trunc?f?i2): Revamp to use control word parameters.
  51         (fix_trunc?i_1): Likewise; update splitters.
  52         (fix splitter): Remove.
  53         * i386.c (MAX_386_STACK_LOCALS): set to 3.
  54         (emit_i387_cw_initialization): New function.
  55         (output_fix_trunc): Do not initialize control word;
  56         kill dead code; simplify.
  57
  58 2001-06-23  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
  59
  60         * cppmacro.c (make_string_token): Avoid warning.
  61         (cpp_macro_definition): Prepend the macro name.  Update
  62         comments.
  63         * cppmain.c (cb_define, dump_macro): Update for changes
  64         to cpp_macro_definition.
  65
  66 Sat Jun 23 10:20:03 CEST 2001  Jan Hubicka  <jh@suse.cz>
  67
  68         * flow.c (attempt_auto_inc, try_pre_increment_1): Fix typo.
  69
  70 Sat Jun 23 01:23:59 CEST 2001  Jan Hubicka  <jh@suse.cz>
  71
  72         * flow.c (mark_set_1, attempt_auto_inc, mark_used_reg,
  73         try_pre_increment_1): compute REG_FREQ using bb->frequency.
  74
  75         * regclass.c (loop_cost): Kill.
  76         (frequency): New global variable.
  77         (record_operand_costs): Replace loop_cost by frequency.
  78         (scan_one_insn): Likewise.
  79         (regclass): Likewise; set frequency according to bb->frequency.
  80
  81         * flow.c (split_edge): Set frequency.
  82
  83 Sat Jun 23 01:16:42 CEST 2001  Jan Hubicka  <jh@suse.cz>
  84
  85         * predict.c (block_info_def): Add nvisited.
  86         (propagate_freq): Count nvisited; re-queue delayed blocks; handle
  87         irreducible regions.
  88
  89         * flow.c (dump_edge_info): Dump the probability of edge.
  90         (combine_predictions_for_insn): Dump the basic block.
  91
  92 2001-06-22  Joseph S. Myers  <jsm28@cam.ac.uk>
  93
  94         * doc/gcc.texi: Update documentation of source files of C
  95         compiler.
  96
  97 2001-06-22  Richard Henderson  <rth@redhat.com>
  98
  99         * doc/invoke.texi (-funsafe-math-optimizations): Document its
 100         possible effects at link time.
 101
 102 2001-06-22  Diego Novillo  <dnovillo@redhat.com>
 103
 104         * basic-block.h (dump_edge_info): Declare.
 105         (clear_edges): Declare.
 106         (mark_critical_edges): Declare.
 107         * flow.c (dump_edge_info): Remove static declaration.
 108         (clear_edges): Ditto.
 109         (mark_critical_edges): Ditto.
 110         (free_basic_block_vars): Only clear edges and free basic block
 111         array if basic_block_info is not NULL.
 112         * ssa.c (compute_dominance_frontiers): Remove static declaration.
 113         * ssa.h (compute_dominance_frontiers): Declare.
 114
 115 2001-06-22  Toshiyasu Morita  (toshiyasu.morita@hsa.hitachi.com)
 116
 117         * predict.c: (expected_value_to_br_prob): Check for const_true_rtx
 118         instead of const1_rtx for true case.
 119
 120 2001-06-22  David Mosberger  <davidm@hpl.hp.com>
 121
 122         * config/ia64/crtfastmath.c: New file.
 123         * config/ia64/t-ia64 (EXTRA_PARTS): Include it.
 124         * config/ia64/linux.h (ENDFILE_SPEC): New.
 125
 126 2001-06-22  Toshiyasu Morita  <toshiyasu.morita@hsa.hitachi.com>
 127
 128         * config/h8300/h8300.c (asm_file_start): Remove reference to
 129         "release F-1".
 130
 131 2001-06-22  Joseph S. Myers  <jsm28@cam.ac.uk>
 132
 133         * c-common.c (verify_tree): Check for x being NULL.
 134         * doc/c-tree.texi: Document COMPOUND_BODY of an empty
 135         COMPOUND_STMT.
 136         Fixes PR c/3259.
 137
 138 2001-06-22  DJ Delorie  <dj@redhat.com>
 139
 140         * config/arm/arm.h (struct machine_function): Remove ra_rtx.
 141         * config/arm/arm.c (arm_mark_machine_status): Remove ra_rtx.
 142         (arm_return_addr): Use get_hard_reg_initial_val et al.
 143         * config/d30v/d30v.h (struct machine_function): Remove ra_rtx.
 144         * config/d30v/d30v.c (d30v_mark_machine_status): Remove ra_rtx.
 145         (d30v_return_addr): Use get_hard_reg_initial_val et al.
 146         * config/rs6000/rs6000.h (struct machine_function): Remove ra_rtx.
 147         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
 148         mark_machine_status.
 149         (rs6000_mark_machine_status): Remove.
 150         (rs6000_return_addr): Use get_hard_reg_initial_val.
 151         (rs6000_ra_ever_killed): Use has_hard_reg_initial_val.
 152         * config/v850/v850.h (INIT_EXPANDERS): Delete.
 153         * config/v850/v850.c (struct machine_function): Delete.
 154         (v850_init_machine_status): Delete.
 155         (v850_mark_machine_status): Delete.
 156         (v850_free_machine_status): Delete.
 157         (v850_return_addr): Use get_hard_reg_initial_val.
 158         (v850_init_expanders): Delete.
 159
 160 Fri Jun 22 19:20:59 CEST 2001  Jan Hubicka  <jh@suse.cz>
 161
 162         * predict.c (estimate_bb_frequencies): Do not handle conditional
 163         jumps jumping to fallthru basic block as conditional jumps.
 164
 165 Fri Jun 22 19:11:28 CEST 2001  Jan Hubicka  <jh@suse.cz>
 166
 167         * regs.h (struct reg_info_def): Add freq field.
 168         (REG_N_REFS): Update comment.
 169         (REG_FREQ): New.
 170         * regclass.c (scan_one_insn): Update REG_FREQ.
 171         * flow.c (mark_set_1): Update REG_FREQ, make REG_N_SETS unweighted.
 172         (attempt_auto_inc): Likewise.
 173         (mark_used_reg): Likewise.
 174         (try_pre_increment_1): Likewise.
 175         * local-alloc.c (struct qty): Add freq field.
 176         (alloc_qty): Set freq.
 177         (update_equiv_regs): Set REG_FREQ.
 178         (QTY_CMP_PRI): Use freq.
 179         (combine_regs): Update qty->freq.
 180         * global.c (struct allocno): Update comment for n_refs;
 181         add freq field.
 182         (local_reg_freq): New array.
 183         (global_alloc): Update freq field;
 184         allocate and initialize local_reg_freq.
 185         (allocno_compare): Use freq field.
 186         (find_reg): Likewise.
 187         * reload1.c (count_pseudo): Use freq isntead of n_refs.
 188         (count_spilled_pseudo): Likewise.
 189
 190         * tm.texi (GCOV_TYPE_SIZE): Document.
 191         * basic-block.h (gcov_type): Define.
 192         (struct edge_def): Use gcov_type for count field.
 193         (struct basic_block_def): Likewise.
 194         * defaults.h (GCOV_TYPE_SIZE): Define.
 195         * final.c (end_final): Use GCOV_TYPE_SIZE.
 196         * flow.c (dump_edge_info, dump_flow_info, dump_bb): Print count fields
 197         using HOST_WIDEST_INT_PRINT_DEC.
 198         * gcov-io.h (__fetch_gcov_type, __store_gcov_type, __read_gcov_type,
 199         __write_gcov_type): New.
 200         (store_long): Remove.
 201         * gcov.c (gcov_type): Set default.
 202         (struct adj_list): Use gcov_type for arc_count.
 203         (bb_info): Use gcov_type for succ_count, pred_count and exec_count.
 204         (create_program_flow_graph): Read arc_count properly.
 205         (solve_program_flow_graph): 'total' is gcov_type.
 206         (output_data): Line_counts is gcov_type, print it properly.
 207         * libgcc2.c (struct bb): Counts is gcov_type.
 208         (__bb_exit_func): Use __read_gcov_type and __write_gcov_type.
 209         * profile.c (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set default.
 210         (GCOV_TYPE_SIZE): Define.
 211         (struct bb_info): succ_count and pred_count is gcov_type.
 212         (compute_branch_probabilities): Use __read_gcov_type,
 213         print read edges to the dump file.
 214         (total): Is gcov_type.
 215         (gen_edge_profiler): Use GCOV_TYPE_SIZE.
 216
 217 2001-06-14  Andrew Haley  <aph@cambridge.redhat.com>
 218
 219         * optabs.c (emit_libcall_block): When using non-call exceptions,
 220         don't mark libcalls never throwing.
 221
 222 2001-06-21  Stan Shebs  <shebs@apple.com>
 223
 224         * objc/objc-act.c (hash_init): Use xcalloc.
 225
 226 2001-06-21  Richard Henderson  <rth@redhat.com>
 227
 228         * flow.c (entry_exit_blocks): Initialize frequency.
 229         (split_block): Copy it.
 230         (dump_flow_info): Dump it.
 231
 232 Thu Jun 21 22:15:10 2001  J"orn Rennecke <amylaar@redhat.com>
 233
 234         * sh.c (barrier_align): Also recognize branch-around-a-jump-sequence
 235         from machine-depedent_reorg for purposes of alignment supression
 236         when no delay slot insn has been added.
 237
 238 2001-06-21  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
 239
 240         * cppmacro.c (make_string_token): Null terminate.
 241
 242 2001-06-21  DJ Delorie  <dj@redhat.com>
 243
 244         * config/alpha/alpha.h (struct machine_function): Remove.
 245         * config/alpha/alpha.c (integrate.h): Include.
 246         (override_options): Don't set up machine_status hooks.
 247         (alpha_init_machine_status): Remove.
 248         (alpha_mark_machine_status): Remove.
 249         (alpha_free_machine_status): Remove.
 250         (alpha_return_addr): Use get_hard_reg_initial_val.
 251         (alpha_gp_save_rtx): Likewise.
 252         (alpha_ra_ever_killed): Use has_hard_reg_initial_val.
 253
 254 2001-06-20  Aldy Hernandez  <aldyh@redhat.com>
 255
 256         * config/sh/sh.md (interrupt_function): Use
 257         current_function_interrupt.
 258         (define_delay): Schedule in delay slot if TARGET_SH3, even if it is
 259         an interrupt function.
 260
 261         * config/sh/sh.h (current_function_interrupt): Define extern.
 262
 263         * config/sh/sh.c (current_function_interrupt): New global.
 264         (sh_expand_prologue): Set current_function_interrupt.
 265
 266 2001-06-21  Phil Edwards  <pme@sources.redhat.com>
 267
 268         * doc/install.texi:  Add 'c' to list of --enable-languages choices.
 269
 270 2001-06-21  DJ Delorie  <dj@redhat.com>
 271
 272         * integrate.c (mark_hard_reg_initial_vals): Check for NULL.
 273
 274         * integrate.c (ggc.h): Include.
 275         (initial_value_pair, initial_value_struct,
 276         setup_initial_hard_reg_value_integration): Add prototypes.
 277         (expand_inline_function): Call
 278         setup_initial_hard_reg_value_integration.
 279         (has_func_hard_reg_initial_val, get_func_hard_reg_initial_val,
 280         get_hard_reg_initial_val, has_hard_reg_initial_val): New functions
 281         to keep track of values present at the start of a function.
 282         (mark_hard_reg_initial_vals): New, for gc.
 283         (setup_initial_hard_reg_value_integration): New.  Sets up pseudo
 284         mappings for initial values.
 285         (emit_initial_value_sets): New.  Emits code to set initial value
 286         pseudos.
 287         * integrate.h: Add prototypes for new functions.
 288         * function.h (struct function): Add hard_reg_initial_vals field.
 289         * function.c (integrate.h): Include.
 290         (mark_function_status): Call
 291         mark_hard_reg_initial_vals.
 292         * toplev.c (integrate.h): Include.
 293         (rest_of_compilation): Call emit_initial_value_sets.
 294
 295 2001-06-21  Stan Shebs  <shebs@apple.com>
 296
 297         * doc/contrib.texi, doc/cpp.texi, doc/cppinternals.texi,
 298         doc/extend.texi, doc/gcc.texi, doc/install.texi, doc/invoke.texi,
 299         doc/objc.texi, doc/tm.texi: Use the correct name "Objective-C"
 300         everywhere instead of "Objective C".
 301
 302 2001-06-21  Joseph S. Myers  <jsm28@cam.ac.uk>
 303
 304         * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
 305         doc/gcc.texi, doc/install-old.texi, doc/install.texi,
 306         doc/invoke.texi, doc/rtl.texi: Consistently use "front end" and
 307         "back end" as nouns and "front-end" and "back-end" as adjectives.
 308
 309 Wed Jun 20 21:53:35 CEST 2001  Jan Hubicka  <jh@suse.cz>
 310
 311         * predict.c (estimate_probability): Fix loop bounds.
 312
 313 Wed Jun 20 19:10:48 CEST 2001  Jan Hubicka  <jh@suse.cz>
 314
 315         * toplev.c (rest_of_compilation): Run mark_constant_function
 316         before profile-arcs.
 317
 318 Wed Jun 20 19:08:18 CEST 2001  Jan Hubicka  <jh@suse.cz>
 319
 320         * predict.c (estimate_loops_at_level, propagate_freq
 321         estimate_bb_frequencies, count_to_freqs): New functions.
 322         (estimate_probability): Call estimate_bb_frequencies.
 323         * basic-block.h (basic_block_def): Add field "freq".
 324         (BB_FREQ_MAX): New constant.
 325
 326 Wed Jun 20 17:02:50 2001  J"orn Rennecke <amylaar@redhat.com>
 327
 328         * sh.c (barrier_align): Don't ask for alignment when seeing a
 329         branch-around-a-jump from machine_dependent_reorg.
 330
 331 Wed Jun 20 08:35:02 2001  Jeffrey A Law  (law@cygnus.com)
 332
 333         * ssa.c (rename_block): Update parameter to remove_phi_alternative
 334         (convert_from_ssa): Do create REG_DEAD and REG_UNUSED notes when
 335         re-running life analysis.
 336
 337 2001-06-20  Stan Shebs  <shebs@apple.com>
 338
 339         * objc/objc-act.c (hash_init): Assume xmalloc always succeeds,
 340         also use memset to clear the hash tables.
 341         (hash_enter): Assume xmalloc always succeeds.
 342         (hash_add_attr): Ditto.
 343         (continue_class): Ditto.
 344
 345 2001-06-20  Michael Meissner  <meissner@redhat.com>
 346
 347         * builtins.c (predict.h): Include.
 348         (expand_builtin_expect): Update comment.
 349         (expand_builtin_expect_jump): New function to expand
 350         __builtin_expect inside of a conditional jump expansion.
 351
 352         * expr.c (do_jump): Special case __builtin_expect (<test>, 0) and
 353         __builtin_expect (<test>, 1).
 354
 355         * Makefile.in (builtins.o): Depend on $(PREDICT_H).
 356
 357         * rtl.h (expand_builtin_expect_jump): Add prototype.
 358
 359 2001-06-19  Geoffrey Keating  <geoffk@redhat.com>
 360
 361         * doc/rtl.texi (Machine Modes): Correct description of
 362         floating-point modes on machines with non-8-bit bytes.
 363
 364 2001-06-19  Bernd Schmidt  <bernds@redhat.com>
 365
 366         * regmove.c (optimize_reg_copy_3): Do nothing if previous insn
 367         carries a REG_EQUIV note.  If it carries REG_EQUAL, delete the
 368         note.
 369
 370 Tue Jun 19 07:53:52 2001  Jeffrey A Law  (law@cygnus.com)
 371
 372         * ssa.c (remove_phi_alternative): Remove declaration.  No longer
 373         static.  Second argument is a pointer to a basic block structure,
 374         not a basic block index.
 375         (convert_to_ssa): Do not remove dead code.
 376         (convert_from_ssa): Do not remove dead code to create death notes.
 377         * ssa.h (remove_phi_alternative): Declare.
 378
 379         * flow.c (delete_unreachable_blocks): Fix patch error in
 380         previous change (call to find_unreachable_blocks was lost).
 381
 382         * ssa.c (ssa_uses): Remove definition.
 383         (apply_delayed_renames): Don't grow ssa_uses.
 384         (rename_block): Remove comment related to ssa_uses.
 385         (rename_registers): Do not initialize ssa_uses.
 386         (convert_from_ssa): Do not free ssa_uses.
 387
 388         * ssa-dce.c: Renamed from dce.c.
 389         * Makefile.in (OBJS): Replace dce.o with ssa-dce.o
 390         (dependencies): Replace dce.c with ssa-dce.c and dce.o with
 391         ssa-dce.o.
 392
 393 2001-06-19  Eric Christopher <echristo@redhat.com>
 394
 395         * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode
 396         and DFmode are UNITS_PER_WORD and 2*UNITS_PER_WORD.  Use
 397         GET_MODE_BITSIZE instead of GET_MODE_SIZE/UNITS_PER_WORD.
 398
 399 Tue Jun 19 01:52:27 2001  J"orn Rennecke <amylaar@redhat.com>
 400
 401         * sh.c (output_branch): Delete bogus code.
 402
 403         * sh.c (initial_elimination_offset):
 404         Fix FROM == RETURN_ADDRESS_POINTER_REGNUM case.
 405
 406 Mon Jun 18 12:50:49 2001  Jeffrey A Law  (law@cygnus.com)
 407
 408         * flow.c (find_unreachable_blocks): New function.
 409         (delete_unreachable_blocks): Use find_unreachable_blocks.
 410         * basic-block.h (find_unreachable_blocks): Declare.
 411
 412         * dce.c (eliminate_dead_code): Fix formatting glitch.
 413
 414 2001-06-18  Jason Merrill  <jason_merrill@redhat.com>
 415
 416         * c-common.h (RETURN_NULLIFIED_P): New macro.
 417         * c-semantics.c (genrtl_return_stmt): Check it.
 418
 419         * expr.c (clear_storage): Set TREE_NOTHROW on the decl for memset.
 420         (emit_block_move): Likewise.
 421
 422 Mon Jun 18 17:27:24 CEST 2001  Jan Hubicka  <jh@suse.cz>
 423
 424         * unroll.c: Include predict.h.
 425         (unroll_loop): Drop prediction notes on preconditioning.
 426         * predict.def (PRED_LOOP_PRECONDITIONG, PRED_LOOP_CONDITION):
 427         New; add comments on the others.
 428         * Makefile.in: (unroll.o): Add dependancy on predict.h.
 429         * loop.c (strength_reduce): Fix branch prediction.
 430
 431 Mon Jun 18 17:26:56 CEST 2001  Jan Hubicka  <jh@suse.cz>
 432
 433         * stmt.c (emit_case_nodes): Optimize test whether index is in given
 434         interval.
 435
 436 Mon Jun 18 15:43:10 CEST 2001  Jan Hubicka  <jh@suse.cz>
 437
 438         * predict.c (estimate_probability): Do not bail out early
 439         when note is present.
 440         (combine_predictions_for_insn): Fix note removal code.
 441
 442 2001-06-18  Ben Elliston  <bje@redhat.com>
 443
 444         * except.c (resolve_fixup_regions): Initialise "cleanup".
 445
 446 2001-06-17  Neil Booth  <neil@daikokuya.demon.co.uk>
 447
 448         * tm.texi: Document STDC_0_IN_SYSTEM_HEADERS.
 449
 450 Sat Jun 16 20:20:39 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 451
 452         * expr.c (expand_expr, case ADDR_EXPR): If taking address of SAVE_EXPR,
 453         use put_var_into_stack.
 454
 455 2001-06-16  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
 456
 457         * gccspec.c (lang_specific_driver): If compiling ObjC, add
 458         -shared-libgcc when necessary.
 459         * Makefile.in (gccspec.o): Compile with DRIVER_DEFINES.
 460
 461 2001-06-16  Daniel Berlin  <dan@cgsoftware.com>
 462
 463         * bitmap.h: Add dump_bitmap, bitmap_zero, bitmap_union_of_diffs,
 464         bitmap_a_or_b, bitmap_a_and_b, bitmap_first_set_bit,
 465         bitmap_last_set_bit. All for compatibility with sbitmap's.
 466
 467         *bitmap.c (bitmap_zero): New function.
 468         (bitmap_union_of_diffs): New function.
 469         (bitmap_first_set_bit): New function.
 470         (bitmap_last_set_bit): New function.
 471
 472 2001-06-16  Neil Booth  <neil@daikokuya.demon.co.uk>
 473
 474         * cpp.texi, invoke.texi: Update.
 475         * cpp.1, gcc.1: Regenerate.
 476
 477 Sat Jun 16 12:45:20 CEST 2001  Jan Hubicka  <jh@suse.cz>
 478
 479         * i386.md (minsf): Fix splitter. (PR fortran/3191)
 480
 481 2001-06-16  Neil Booth  <neil@daikokuya.demon.co.uk>
 482
 483         * doc/cpp.texi: Update.
 484         * doc/cpp.1: Regenerate.
 485
 486 2001-06-15  Loren J. Rittle  <ljrittle@acm.org>
 487
 488         * doc/install.texi: Use correct markup hints.
 489
 490 Fri Jun 15 18:05:22 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 491
 492         * function.c (gen_mem_addressof): Handle case where DECL is SAVE_EXPR.
 493
 494         * explow.c (expr_size): If DECL and size specified, use it.
 495
 496 2001-06-15  Zack Weinberg  <zackw@stanford.edu>
 497
 498         * doc/cpp.texi: Formatting corrections.
 499         Correct buggy example of use of __GNUC__ etc.
 500         Clarify $ in identifiers.
 501         * doc/cpp.1: Regenerate.
 502
 503 Fri Jun 15 19:35:38 CEST 2001 Jan Hubicka  <jh@suse.cz>
 504
 505         * optabs.c (expand_twoval_binop): Avoid undefined behaviour.
 506
 507 2001-06-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 508
 509         * doc/install.texi (Specific, alpha*-*-*): Fixed Tru64 UNIX
 510         etc. spelling.
 511         (Specific, alpha-*-osf1): Renamed to alpha*-*-osf*.
 512         Added Tru64 UNIX V5.1 bootstrap hints.
 513         (Specific, alpha*-*-osf*): Removed old section, obsolete.
 514
 515 2001-06-15  Andreas Jaeger  <aj@suse.de>
 516
 517         * doc/install.texi (Specific): Mention that glibc cannot be
 518         compiled with GCC 3.0.
 519
 520 2001-06-14  Andrew Haley  <aph@cambridge.redhat.com>
 521
 522         * combine.c (nonzero_bits): Don't optimize away division by
 523         zero.
 524
 525 2001-06-15  Zack Weinberg  <zackw@stanford.edu>
 526
 527         * doc/cpp.texi: Revised and brought up to date.
 528         * doc/cpp.1: Regenerate.
 529
 530 2001-06-15  Loren J. Rittle  <ljrittle@acm.org>
 531
 532         * doc/install.texi: Update --enable-threads to match reality.
 533
 534 2001-06-15  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
 535
 536         * doc/install.texi: Update for C4x.
 537         * README.C4X: Remove.
 538
 539 2001-06-14  Joseph S. Myers  <jsm28@cam.ac.uk>
 540
 541         * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
 542         doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
 543         doc/objc.texi, doc/rtl.texi, doc/tm.texi: Fix spelling and typos.
 544         Consistently use "built-in" and "bit-field".  Minor logical markup
 545         improvements.
 546         * doc/gcc.1: Regenerate.
 547
 548 2001-06-14  Richard Henderson  <rth@redhat.com>
 549
 550         * config/mips/mips.md (exception_receiver): New.
 551
 552 2001-06-14  Daniel J. Berlin <dan@cgsoftware.com>
 553
 554         * doc/gcc.texi:  Update passes documentation to be more in tune
 555         with reality.
 556
 557 Thu Jun 14 15:38:28 CEST 2001  Jan Hubicka  <jh@suse.cz>
 558
 559         * i386.c (ix86_expand_prologue): Fix merging conflict.
 560
 561 2001-06-14  Joseph S. Myers  <jsm28@cam.ac.uk>
 562
 563         * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
 564         doc/gcc.texi, doc/gcov.texi, doc/install-old.texi,
 565         doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Use more
 566         logical markup.  Use TeX quotes and dashes.  Use @dots{} and
 567         @minus{}.  Avoid spaces inside @var.  Update last modification
 568         date in gcc.texi.
 569         * doc/gcc.1, doc/gcov.1: Regenerate.
 570
 571 Thu Jun 14 12:44:15 CEST 2001  Jan Hubicka  <jh@suse.cz>
 572
 573         * i386.c (x86_accumulate_outgoing_args, x86_prologue_using_move,
 574         x86_epilogue_using_move): New global variables.
 575         (override_options): Enable ACCUMULATE_OUTGOING_ARGS if preferred.
 576         (ix86_emit_save_regs_using_mov): New static function.
 577         (ix86_expand_prologue, ix86_expand_epilogue): Use moves if preferred.
 578         * i386.h (MASK_MMX, MASK_SSE, MASK_SSE2, MASK_128BIT_LONG_DOUBLE,
 579         MASK_MIX_SSE_I387): Renumber.
 580         (MASK_NO_ACCUMULATE_OUTGOING_ARGS): New.
 581         (x86_accumulate_outgoing_args, x86_prologue_using_move,
 582         x86_epilogue_using_move): Declare.
 583         (TARGET_PROLOGUE_USING_MOVE, TARGET_EPILOGUE_USING_MOVE): New.
 584
 585 2001-06-13  John David Anglin  <dave@hiauly1.hia.nrc.ca>
 586
 587         * inclhack.def (hpux10_cpp_pow_inline): New hack.
 588
 589 2001-06-13  Richard Henderson  <rth@redhat.com>
 590
 591         * ifcvt.c (dead_or_predicable): Fix return value last patch.
 592
 593 2001-06-13  Mark Mitchell  <mark@codesourcery.com>
 594
 595         * NEWS: Remove.
 596
 597 2001-06-13  Richard Henderson  <rth@redhat.com>
 598
 599         * ifcvt.c (cond_exec_get_condition): Use reversed_comparison_code.
 600         (cond_exec_process_if_block, dead_or_predicable): Likewise.
 601
 602 2001-06-13  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 603
 604         * mips-tfile.c (copy_object): Always pass indexNil for symbol
 605         table index.
 606
 607 2001-06-13  Kazu Hirata  <kazu@hxi.com>
 608
 609         * config/h8300/h8300.h (OK_FOR_T): Remove.
 610         (EXTRA_CONSTRAINT): Do not use OK_FOR_T.
 611         * config/h8300/h8300.md: Remove alternatives involving inc and dec
 612         in the helper patterns for addhi3 and addsi3.
 613
 614 2001-06-13  Phil Edwards  <pme@sources.redhat.com>
 615
 616         * doc/contrib.texi:  Link to libstdc++'s thanks.html for now.
 617
 618 2001-06-13  Zack Weinberg  <zackw@stanford.edu>
 619
 620         * Makefile.in: Move _bb and __gcc_bcmp to LIB2FUNCS_ST.
 621         * libgcc-std.ver: Take out __bb* and __gcc_bcmp.
 622
 623         * config/t-slibgcc-elf-ver, config/t-slibgcc-sld,
 624         config/alpha/t-osf4, config/mips/t-iris6: Extract all
 625         references to @shlib_map_file@, @shlib_objs@, or
 626         @shlib_base_name@ to Makefile variables.
 627         Bump soname version of libgcc to 1.
 628
 629 2001-06-13  Joseph S. Myers  <jsm28@cam.ac.uk>
 630
 631         * doc/install.texi: Use more logical markup.  Include @node
 632         commands in the source when generating any non-HTML.
 633
 634 2001-06-13  Joseph S. Myers  <jsm28@cam.ac.uk>
 635
 636         * README: Remove.  Some of the contents moved to ../README.
 637
 638 2001-06-13  Alexandre Oliva  <aoliva@redhat.com>
 639
 640         * doc/install.texi (--enable-shared): List package names
 641         recognized by GCC.
 642
 643 2001-06-13  Alexandre Oliva  <aoliva@redhat.com>
 644
 645         * doc/install.texi (ix86-*-solaris*): Removed, outdated.
 646         (*-*-solaris*): Document problem in /bin/sh that affects
 647         configuring libraries.
 648         (sparc-*-solaris*): Recommend GNU binutils 2.11.1 or vendor tools.
 649         (*-sun-solaris2.8): Document linker problem that explains why
 650         libjava is disabled by default.
 651
 652 2001-06-09  Mark Mitchell  <mark@codesourcery.com>
 653
 654         Revert this patch:
 655         * toplev.c (rest_of_compilation): Remove dead code before
 656         purge_addressof.
 657
 658 2001-06-12  Alexandre Oliva  <aoliva@redhat.com>
 659
 660         Reverted:
 661         2001-06-07  Nathan Sidwell  <nathan@codesourcery.com>
 662         * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
 663         * configure: Rebuilt.
 664
 665 2001-06-12  Jim Wilson  <wilson@redhat.com>
 666
 667         * loop.c (strength_reduce): Move bl->all_reduced set before
 668         check_ext_dependant_givs call.
 669         (check_ext_dependant_givs): Clear bl->all_reduced when ignoring givs.
 670
 671 2001-06-12  Alexandre Oliva  <aoliva@redhat.com>
 672
 673         * doc/extend.texi (Function Attributes): Document SH's sp_switch
 674         and trap_exit.
 675
 676 2001-06-13  Joseph S. Myers  <jsm28@cam.ac.uk>
 677
 678         * doc/invoke.texi: Use more logical markup.  Use TeX quotes,
 679         dashes and @dots{}.
 680
 681 2001-06-12  Richard Henderson  <rth@redhat.com>
 682
 683         * config/i386/i386.c (ix86_expand_prologue): Always use
 684         gen_pro_epilogue_adjust_stack; update arguments.
 685         (ix86_expand_epilogue): Likewise.
 686         (ix86_emit_epilogue_esp_adjustment): Remove.
 687         (ix86_adjust_cost): Remove pro_epilogue_adjust_stack hack.
 688         * config/i386/i386.md (pro_epilogue_adjust_stack): Use a BLKmode
 689         clobber of scratch memory instead of a modification of EBP as the
 690         barrier.  Update all peepholes to match.
 691
 692 2001-06-12  Joseph S. Myers  <jsm28@cam.ac.uk>
 693
 694         * doc/gcc.texi: Change the font used for @def... commands to a
 695         fixed width font.
 696         * doc/extend.texi: Use more logical markup.  Use "built-in"
 697         instead of "builtin".  Use @deftypefn to mark up built-in
 698         functions; specify their types in the @deftypefn and not in the
 699         descriptive text.  Use TeX quotes and dashes.  Add more index
 700         entries.
 701
 702 2001-06-12  lars brinkhoff  <lars@nocrew.org>
 703
 704         * gcc.texi (HOST_BITS_PER_LONGLONG): Document.
 705         (DIR_SEPARATOR_2): Likewise.
 706
 707 2001-06-12  Joseph S. Myers  <jsm28@cam.ac.uk>
 708
 709         * doc/install.texi (--exec-prefix, --bindir, --libdir,
 710         --with-slibdir, --infodir, --mandir, --with-cpp-install-dir):
 711         Document.
 712         (--enable-cpp): Change to document --disable-cpp instead; update
 713         to reflect current default.
 714         (--without-fast-fixincludes): Remove documentation.
 715         (Final install): Document installation directories in more
 716         detail.  Document use of make dvi.
 717
 718 Tue Jun 12 19:01:43 CEST 2001  Jan Hubicka  <jh@suse.cz>
 719
 720         * recog.c (validate_replace_rtx_1): Fix previous patch.
 721
 722 Tue Jun 12 17:25:39 CEST 2001  Jan Hubicka  <jh@suse.cz>
 723
 724         * recog.c (validate_replace_rtx_1): Do plus_constant call always.
 725
 726 Tue Jun 12 17:24:07 CEST 2001  Jan Hubicka  <jh@suse.cz>
 727
 728         * simplify-rtx.c (simplify_subreg): Allow volatile memory
 729         to be subregged in case we don't have move instruction.
 730
 731 Tue Jun 12 12:20:12 CEST 2001  Jan Hubicka  <jh@suse.cz>
 732
 733         * loop.c: Include predict.h
 734         (strength_reduce): Drop branch prediction note in case
 735         number of iterations is known.
 736         * predict.def (PRED_LOOP_ITERATIONS): new.
 737         * Makefile.in (loop.o): Add dependancy on predict.h
 738
 739 2001-06-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 740
 741         * c-decl.c (grokdeclarator): Use INTEGRAL_TYPE_P.
 742
 743         * c-typeck.c (c_start_case): Likewise.
 744
 745 2001-06-12  Mark Mitchell  <mark@codesourcery.com>
 746
 747         * expr.c (store_field): Don't set MEM_ALIAS_SET for a field
 748         in a structure at a variable address.
 749
 750 2001-06-12  Joseph S. Myers  <jsm28@cam.ac.uk>
 751
 752         * doc/gcov.texi: Use more logical markup.
 753
 754 2001-06-11  Mark Mitchell  <mark@codesourcery.com>
 755
 756         * unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and
 757         REG_NOTE_KIND, not PUT_MODE and GET_MODE.
 758         (final_reg_note_copy): Remove REG_WAS_0 notes that are no longer
 759         valid.
 760
 761 2001-06-11  Stan Shebs  <shebs@apple.com>
 762
 763         * darwin.h (ASM_FILE_END): Remove decl of language_string.
 764
 765 2001-06-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 766
 767         * config/m68hc11/m68hc11.md ("*lshrdi3_const32"): Mark the clobber
 768         as an early clobber to make sure it is not used by reload in
 769         one of the operands.
 770
 771 2001-06-11  Mark Mitchell  <mark@codesourcery.com>
 772
 773         * doc/c-tree.texi: Update information about flag_honor_std.
 774         * doc/install.texi: Note that binutils is required on HPUX 11.
 775         * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is
 776         now the default.
 777
 778         * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of
 779         variable-sized types.
 780
 781 2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
 782
 783         * doc/md.texi: Use TeX dashes and quotes.
 784
 785 2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
 786
 787         * doc/rtl.texi: Reference manual chapter about trees.
 788
 789 2001-06-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 790
 791         * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define.
 792         (WINT_TYPE): Override.
 793         (WINT_TYPE_SIZE): Likewise.
 794         (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate.
 795
 796         * config/sparc/sol2.h (WINT_TYPE): Define.
 797         (WINT_TYPE_SIZE): Likewise.
 798
 799         * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define.
 800         (WINT_TYPE): Override.
 801         (WINT_TYPE_SIZE): Likewise.
 802         (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition.
 803         (CPP_ARCH64_SPEC): Likewise.
 804
 805 2001-06-11  Richard Henderson  <rth@redhat.com>
 806
 807         * unwind-dw2-fde.c (__deregister_frame_info): Don't play games
 808         with alias attribute.
 809
 810         * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu).
 811         * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise.
 812
 813 2001-06-11  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
 814
 815         * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New.
 816
 817 2001-06-11  Stan Shebs  <shebs@apple.com>
 818
 819         * darwin.c (darwin_encode_section_info):  Rewrite to simplify
 820         and fix coding mistakes.
 821
 822 2001-06-11  Nick Clifton  <nickc@cambridge.redhat.com>
 823
 824         * config/m32r/m32r.md (movstrsi_internal): Do not expect a
 825         return string from m32r_output_block_move.
 826         * config/m32r/m32r-protos.h: Make m32r_output_block_move a
 827         void function.
 828         * config/m32r/m32r.h (INT32_P): Rename to UNIT32_P and remove
 829         integer overflow.
 830         (ROUND_ADVANCE): Remove signed/unsigned conflict.
 831         * config/m32r/m32r.c: Declare prototypes for static functions.
 832         (move_src_operand): Replace INT32_P with UINT32_P.
 833         (function_arg_partial_nregs): Fixed signed/unsigned conflict
 834         in initialisation of 'size'.
 835         (m32r_sched_reord): Remove redundant declarations of 'code'.
 836         (m32r_output_block_move): Change to a void function.
 837         (m32r_encode_section_info): Cast return of
 838         TREE_STRING_POINTER to avoid compile time warning.
 839
 840 2001-06-11  Richard Henderson  <rth@redhat.com>
 841
 842         * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New.
 843         * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default.
 844         (struct machine_function): Add gp_save_rtx.
 845         * config/alpha/alpha.c (alpha_mark_machine_status): Mark it.
 846         (alpha_gp_save_rtx): New.
 847         * config/alpha/alpha-protos.h: Declare it.
 848         * config/alpha/alpha.md (exception_receiver): Make an expander.
 849         Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP.
 850
 851 2001-06-11  Richard Henderson  <rth@redhat.com>
 852
 853         * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
 854
 855 2001-06-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 856
 857         * configure.in: Align --help messages.
 858         Remove trailing full stops.
 859         Consistently use lower case.
 860         Fix DWARF 2 spelling.
 861         * configure: Rebuilt.
 862
 863 2001-06-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 864
 865         * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and
 866         variants for .cpp/.cp/.c++ files.
 867         Move definition of __LANGUAGE_C_PLUS_PLUS ...
 868         (CPLUSPLUS_CPP_SPEC): ... here.
 869
 870 Mon Jun 11 15:47:45 CEST 2001  Jan Hubicka  <jh@suse.cz>
 871
 872         * jump.c (duplicate_loop_exit_test): Fix loop header heuristics.
 873
 874 2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
 875
 876         * c-decl.c (store_parm_decls): When comparing types in an
 877         old-style function declaration with those from a previous
 878         prototype, compare the unqualified versions of parameter types.
 879         Fixes PR c/3116.
 880
 881 2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
 882
 883         * doc/objc.texi: Use more logical markup.  Use TeX dashes.
 884
 885 2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
 886
 887         * doc/c-tree.texi: Use more logical markup.
 888
 889 2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
 890
 891         * c-decl.c (xref_tag): Don't return previous tags of wrong type.
 892
 893 2001-06-11  Aldy Hernandez  <aldyh@redhat.com>
 894
 895         * loop.c (scan_loop): Do not combine asm statements.
 896
 897 2001-06-11  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
 898
 899         * simplify-rtx.c (simplify_subreg): Fix offset calculation
 900         for complex values within a CONCAT.
 901
 902 2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
 903
 904         * doc/install.texi: Update details of what components are included
 905         in the GCC distribution.  Update default directory for g++
 906         includes.  Update documentation relating to old libio.  Adjust
 907         documentation on DejaGnu environment variables.  Remove
 908         documentation of --enable-cpplib.
 909
 910 2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
 911
 912         * doc/contrib.texi: Fix alphabetical order.  Fix typos.  Improve
 913         markup.
 914
 915 2001-06-10  Richard Henderson  <rth@redhat.com>
 916
 917         * ifcvt.c (life_data_ok): New.
 918         (merge_if_block): Use it to determine whether to update
 919         global_live_at_end.
 920         (if_convert): Set it.
 921
 922 2001-06-10  Richard Henderson  <rth@redhat.com>
 923
 924         * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
 925
 926 2001-06-10  Alexandre Oliva  <aoliva@redhat.com>
 927
 928         * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
 929         (SH Options): Document -mieee.
 930         * doc/install.texi (Final install): Remove obsolete information
 931         about installing cross compilers.
 932         * doc/gcc.1: Rebuilt.
 933
 934 2001-06-10  Richard Henderson  <rth@redhat.com>
 935
 936         * config/alpha/alpha.c (override_options): Set align_loops,
 937         align_jumps, and align_functions.
 938         * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
 939         (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
 940
 941 2001-06-11  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
 942
 943         * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
 944         are one and two words in size.
 945
 946 2001-06-10  Richard Henderson  <rth@redhat.com>
 947
 948         * doc/invoke.texi (Optimization Options): Document -fpeephole2.
 949         (Code Generation Options): Document -fnon-call-exceptions.
 950
 951 2001-06-10  Mark Kettenis  <kettenis@gnu.org>
 952
 953         * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
 954
 955 2001-06-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 956
 957         * m68hc11.md (peepholes): Remove unused and wrong peepholes.
 958
 959 2001-06-10  Mark Mitchell <mark@codesourcery.com>
 960             Gabriel Dos Reis  <gdr@codesourcery.com>
 961
 962         * Makefile.in (c-parse.o): Depend on diagnostic.h
 963         (dwarf2out.o): Likewise.
 964
 965         * dwarf2out.c: #include diagnostic.h
 966
 967         * toplev.h (warningcount, errorcount, sorrycount): Remove
 968         declarations.
 969
 970         * toplev.c (warningcount, errorcount, sorrycount): Remove
 971         definitions.
 972
 973         * diagnostic.h (struct output_buffer): Reorder fields.
 974         (diagnostic_kind_count): New macro.
 975         (errorcount, warningcount, sorrycount): Define as macros.
 976         (diagnostic_report_warnings_p): New macro.
 977         (output_state): Add diagnostic_count field.
 978
 979         * diagnostic.c (warningcount, errorcount, inhibit_warnings):
 980         Remove tentative declaration.
 981         (count_error): Use diagnostic_report_warnings_p.
 982
 983         * c-parse.in: #include diagnostic.h
 984
 985 2001-06-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 986
 987         * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
 988         prefer a memory for operand 1.
 989         ("*addsi3"): Fix constraints, the '!' was too strong.
 990         ("*addsi3_split"): Accept soft register and split accordingly.
 991
 992 2001-06-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 993
 994         * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
 995         Move definition in the RTX_CODE section.
 996
 997 2001-06-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 998
 999         * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
1000         address as relative to the argument pointer.
1001
1002 Sun Jun 10 10:58:53 CEST 2001  Jan Hubicka  <jh@suse.cz>
1003
1004         * predict.def (PRED_OPCODE): Place before call and error_return.
1005
1006 Sun Jun 10 10:00:17 CEST 2001  Jan Hubicka  <jh@suse.cz>
1007
1008         * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
1009         * predict.c (estimate_probability): Calculate dominance
1010         information; improve detection of NORETURN heuristics;
1011         add call/error_return heuiristics; tweak comparison heuristics
1012         to recognize -1.
1013
1014 2001-06-09  Alexandre Oliva  <aoliva@redhat.com>
1015
1016         * doc/invoke.texi (C Dialect Options): Document -aux-info.
1017         (Debugging Options): Document -print-multi-directory and
1018         -print-multi-lib.
1019         * doc/gcc.1: Rebuilt.
1020
1021         * toplev.c (independent_decode_option): Require `=' between
1022         `-aux-info' and filename in the same argument.
1023         * gcc.c: Don't pass -aux-info=filename twice.
1024
1025 2001-06-09  Mark Mitchell  <mark@codesourcery.com>
1026
1027         * expr.c (expand_expr, case ARRAY_REF): Do not replace
1028         an array element with the known initializing value if it has
1029         side-effects.
1030
1031         * toplev.c (rest_of_compilation): Remove dead code before
1032         purge_addressof.
1033
1034 2001-06-09  Neil Booth  <neil@daikokuya.demon.co.uk>
1035
1036         * cppinit.c (print_help): Document -fpreprocessed.
1037         * invoke.texi: Similarly.
1038
1039 Sun Jun 10 00:35:37 CEST 2001  Jan Hubicka  <jh@suse.cz>
1040
1041         * predict.def: New file.
1042         * predict.h: New file.
1043         * predict.c: Include predict.h.
1044         (predictor_info): New structure and array.
1045         (predict_edge, predict_insn): Rewrite; make global.
1046         (predict_edge_def, predict_insn_def): New global functions.
1047         (dump_prediction, combine_predictions_for_insns): New
1048         static functions.
1049         (estimate_probability): Change calls to predict_edge
1050         to predict_edge_def and calls to predict_insn to predict_insn_def;
1051         combine probabilities.
1052         (expected_value_to_br_prob): Behave as predictor.
1053         * rtl.h (REG_BR_PRED): Update coment.
1054         (invert_br_probabilities): New.
1055         * jump.c: Include predict.h
1056         (duplicate_loop_exit_test): Drop branch prediction notes.
1057         (invert_jump): Use invert_br_probabilities.
1058         * Makefile.in: Add dependancy on predict.h for jump and predict pass.
1059         * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
1060         * combine.c (distribute_notes): Handle BR_PRED.
1061
1062 Sat Jun  9 23:29:41 CEST 2001  Jan Hubicka  <jh@suse.cz>
1063
1064         * predict.c (predict_insn, predict_edge): New static functions.
1065         (estimate_probability): Revamp to use new functions;
1066         fix loop header heruistics; add loop exist heruistics
1067
1068 2001-06-09  Alexandre Oliva  <aoliva@redhat.com>
1069
1070         * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
1071
1072 2001-06-09  Peter Jakubek <pjak@snafu.de>
1073
1074         * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
1075
1076 2001-06-09  John David Anglin  <dave@hiauly1.hia.nrc.ca>
1077
1078         * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
1079         for integer operations that don't update C bit.
1080
1081 2001-06-09  Nicola Pero <nicola@brainstorm.co.uk>
1082
1083         * gthr-posix.h (__gthread_objc_init_thread_system): If
1084         pthread_key_create fails, it's not clear what the return value is.
1085         This obvious fix makes sure it always returns -1 if a problem
1086         occurs.
1087
1088 2001-06-09  Joseph S. Myers  <jsm28@cam.ac.uk>
1089
1090         * doc/gcc.texi: Use @defcodeindex for the index of options.  Add
1091         more index entries.  Use more logical markup where appropriate.
1092         Use TeX quotes and dashes.
1093
1094 2001-06-09  Benjamin Kosnik  <bkoz@redhat.com>
1095
1096         * unwind-pe.h: Conditionally qualify references to abort with
1097         std::.
1098
1099 2001-06-09  Julian Foad <julian_foad@hotmail.com>
1100
1101         * doc/invoke.texi: Remove superfluous text.
1102
1103 2001-06-08  Richard Henderson  <rth@redhat.com>
1104
1105         * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
1106         (LIB_SPEC): Mirror config/linux.h version.
1107
1108 2001-06-08  Richard Henderson  <rth@redhat.com>
1109
1110         * except.c (get_exception_pointer, get_exception_filter): Take a
1111         struct function.  Update all callers.
1112         * except.h (get_exception_pointer): Update declaration.
1113         * expr.c (expand_expr): Update get_exception_pointer call.
1114         * integrate.c (expand_inline_function): Remap the exception pointer
1115         from callee to caller.
1116
1117 2001-06-08  Mark Mitchell  <mark@codesourcery.com>
1118
1119         * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
1120         accurately reflect its cv-qualification.
1121         * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
1122         cv-qualifiers on function types.
1123
1124 2001-06-08  Mark Mitchell  <mark@codesourcery.com>
1125
1126         * basic-block.h: Improve comments.
1127         * except.c (expand_eh_region_end_allowed): Remove redundant call
1128         to do_pending_stack_adjust.
1129         * flow.c (life_analysis): Fix typo in comment.
1130         (calculate_global_regs_live): Add documentation.
1131         (mark_set_1): Likewise.
1132         (debug_regset): Likewise.
1133         * doc/rtl.texi (cond_exec): Document it.
1134
1135 Fri Jun  8 21:52:51 CEST 2001  Jan Hubicka  <jh@suse.cz>
1136
1137         * i386.h (CONST_COSTS): set cost of constants representable in
1138         immediate fields to 0.
1139
1140 Fri Jun  8 21:34:54 CEST 2001  Jan Hubicka  <jh@suse.cz>
1141
1142         * function.c (diddle_return_value): Kill code to determine
1143         return value before expand_function_end.
1144         (expand_function_end): Delay call to clobber_return_register
1145         after fucntion return value is computed.
1146
1147         Re-install temporary reverted patch:
1148         * toplev.c (rest_of_compilation): Call split_all_insns
1149         before reg-stack and shorten-branches. Do shorten-branches
1150         after reg-stack.
1151         * final.c (shorten_branches): Remove insn splitting code.
1152
1153 2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>
1154
1155         * doc/gcc.texi, doc/invoke.texi: Add index of command line
1156         options.  Use @opindex to index them rather than other indexing
1157         commands.  Use @var{...} instead of <...>.  Avoid spaces in names
1158         inside @var.  Don't use @kindex to index escape sequences in
1159         source code.
1160
1161 2001-06-08  Jason Merrill  <jason_merrill@redhat.com>
1162
1163         * stmt.c (current_nesting_level): New fn.
1164         * tree.h: Declare it.
1165         * c-semantics.c (genrtl_compound_stmt): Use it.
1166
1167         * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
1168
1169 2001-06-08  Jakub Jelinek  <jakub@redhat.com>
1170
1171         * jump.c (mark_modified_reg): Allow jump threading if condition
1172         codes are represented by a hard register.
1173
1174 2001-06-08  Jakub Jelinek  <jakub@redhat.com>
1175
1176         * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
1177         for complex floats passed to unprototyped functions.
1178
1179 2001-06-08  Mark Mitchell  <mark@codesourcery.com>
1180
1181         * except.c (expand_eh_region_end_allowed): Call
1182         do_pending_stack_adjust as necessary.
1183
1184 Fri Jun  8 14:16:33 CEST 2001  Jan Hubicka  <jh@suse.cz>
1185
1186         * function.c (clobber_return_register): Clobber the pseudo return
1187         register too.
1188
1189         * sibcall.c (skip_unreturned_value): New function.
1190         (call_ends_block_p): Use it.
1191
1192         * recog.c (split_insn): Break out from ...
1193         (split_all_insns): ... here; do not use basic block information
1194         when it is broken.
1195
1196 Thu Jun  7 18:27:53 CEST 2001  Jan Hubicka  <jh@suse.cz>
1197
1198         * simplify-rtx.c (simplify_subreg):  Fix verification of
1199         combined subreg.
1200
1201 2001-06-08  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1202
1203         * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
1204         Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
1205         Move definition of _LANGUAGE_C_PLUS_PLUS ...
1206         (CPLUSPLUS_CPP_SPEC): ... here.
1207         Fixes PRs c++/3047, target/441.
1208
1209 2001-06-08  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1210
1211         * doc/install.texi2html (MAKEINFO): Keep value if set already.
1212
1213 2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>
1214
1215         * doc/gcc.texi: Add trailing slash to URL.
1216
1217 2001-06-07  Stan Shebs  <shebs@apple.com>
1218
1219         * config/darwin.h (ENCODE_SECTION_INFO): Define.
1220         (REDO_SECTION_INFO_P): Ditto.
1221         (STRIP_NAME_ENCODING): Ditto.
1222         (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
1223         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
1224         (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
1225         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
1226         * config/darwin.c: No longer include c-tree.h.
1227         (machopic_classify_ident): Rewrite to use symbol encoding.
1228         (lookup_name_darwin): Remove.
1229         (machopic_non_lazy_ptr_name): Handle encoded symbols.
1230         (machopic_stub_name): Use STRIP_NAME_ENCODING.
1231         (machopic_validate_stub_or_non_lazy_ptr): Ditto.
1232         (machopic_finish): Ditto, remove test of decl.
1233         (update_non_lazy_ptrs): New function.
1234         (darwin_encode_section_info): New function.
1235         * config/darwin-protos.h: Declare it.
1236         * config/rs6000/rs6000.c (machopic_output_stub): Use
1237         STRIP_NAME_ENCODING.
1238
1239 2001-06-07  Mark Mitchell  <mark@codesourcery.com>
1240
1241         * tree.h (DECL_SOURCE_FILE): Improve documentation.
1242         (DECL_SOURCE_LINE): Likewise.
1243
1244 2001-06-07  Loren J. Rittle  <ljrittle@acm.org>
1245
1246         * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
1247         from config/elfos.h.
1248
1249 2001-06-07  Phil Edwards  <pme@sources.redhat.com>
1250
1251         * linux.h (CPLUSPLUS_CPP_SPEC):  Move -D_GNU_SOURCE to here.
1252         * pa/pa-linux.h:  Allow CPLUSPLUS_CPP_SPEC to remain.
1253
1254 2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>
1255
1256         * doc/contrib.texi: Add copyright notice.
1257
1258 2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>
1259
1260         * doc/md.texi: Use four digit years in copyright notice.
1261
1262 2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>
1263
1264         * config.gcc: For $target_alias of athlon-*, set
1265         target_cpu_default2=5.
1266
1267 Thu Jun  7 16:17:40 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1268
1269         * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
1270         end of last block if last real insn is a JUMP_INSN.
1271
1272 2001-06-07  Joseph S. Myers  <jsm28@cam.ac.uk>
1273
1274         * NEWS: Regenerate.
1275
1276 2001-06-07  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1277
1278         * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
1279         pthread_t to objc_thread_t.
1280         (__gthread_objc_thread_id): Likewise.
1281
1282 2001-06-07  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1283
1284         * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
1285         (ASM_OLDAS_SPEC): Likewise.
1286
1287         * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
1288         (CPP_SUBTARGET_SPEC): Use it.
1289         (ASM_OLDAS_SPEC): Define.
1290         (ASM_SPEC): Use it.
1291         (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
1292
1293 2001-06-07  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1294
1295         * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
1296         passed by reference.
1297
1298 2001-06-07  Joseph S. Myers  <jsm28@cam.ac.uk>
1299
1300         * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
1301         Document use of N_(...), and show it in examples.  Note that
1302         documentation should be added to invoke.texi.  Avoid an overfull
1303         hbox.
1304
1305 Thu Jun  7 17:09:50 CEST 2001  Jan Hubicka  <jh@suse.cz>
1306
1307         * toplev.c (rest_of_compilation): Revert previous patch.
1308         * final.c (shorten_branches): Likewise.
1309
1310 2001-06-07  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1311
1312         * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
1313         Remove.
1314
1315 2001-06-07  Joseph S. Myers  <jsm28@cam.ac.uk>
1316
1317         * doc/install-old.texi: Remove more obsolete documentation.
1318
1319 Thu Jun  7 13:20:14 CEST 2001  Jan Hubicka  <jh@suse.cz>
1320
1321         * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
1322
1323 Thu Jun  7 12:12:58 CEST 2001  Jan Hubicka  <jh@suse.cz>
1324
1325         * toplev.c (rest_of_compilation): Call split_all_insns
1326         before reg-stack and shorten-branches. Do shorten-branches
1327         after reg-stack.
1328         * final.c (shorten_branches): Remove insn splitting code.
1329
1330 2001-06-07  Nathan Sidwell  <nathan@codesourcery.com>
1331
1332         * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
1333         * configure: Rebuilt.
1334
1335 2001-06-07  Andreas Jaeger  <aj@suse.de>
1336
1337         * emit-rtl.c (operand_subword): Remove unused variable.
1338
1339 Wed Jun  6 14:51:05 CEST 2001  Jan Hubicka  <jh@suse.cz>
1340
1341         * i386.md (floatdi?f): Avoid usinf of SSE instructions
1342         if TARGET_64BIT is false.
1343         (floatdi?f_i386_only): New insn.
1344         (floatdi?f_i386): Disable for !TARGET_64BIT.
1345
1346         * (min?f, max?f splitters): Handle case where
1347         operands are cross-matched.
1348
1349         * i386.h (HI_REGISTER_NAMES): Remove redundant definition
1350         (MMX_REGISTER_NAMES): Kill.
1351         (PRINT_OPERAND): Fix comment.
1352         (PRINT_REG): Likewise.
1353         * i386.c (print_reg): Kill support for 'm' CODE; simplify.
1354         (print_operand): Update comment; kill 'm'.
1355
1356         * i386.c (x86_branch_hints): New global variable
1357         (print_operand): Support outputting of branch prediction hints.
1358         * i386.md (conditional jump patterns): Add branch prediction hints
1359         to the template.
1360         * i386.h (x86_branch_hints): Declare
1361         (TARGET_BRANCH_PREDICTION_HINTS): New macro.
1362         (PRINT_OPERAND_FUNCT_VALID_P): New.
1363         * final.c (final_forward_branch_p): New function.
1364
1365 2001-06-06  Richard Henderson  <rth@redhat.com>
1366
1367         * flow.c (mark_used_reg): Clean up looping over multiple hard
1368         registers.  Do conditional life bits across multiple hard regs.
1369
1370 2001-06-05  Jeffrey D. Oldham  <oldham@codesourcery.com>
1371
1372         * reload1.c (reload): Revert Schmidt's change so all USEs are not
1373         deleted during reload.
1374
1375 2001-06-05  Mark Mitchell  <mark@codesourcery.com>
1376
1377         * c-semantics.c (genrtl_scope_stmt): Write out nested inline
1378         functions here, instead of ...
1379         * c-decl.c (c_expand_body): ... here.
1380
1381 2001-06-05  David O'Brien  <obrien@FreeBSD.org>
1382
1383         * config.gcc, config/sparc/bsd.h:  Do not directly include
1384         sparc/sparc.h.  Instead do it via tm_file.
1385
1386 2001-06-05  Richard Henderson  <rth@redhat.com>
1387
1388         * dwarf2.h (DW_EH_PE_aligned): New.
1389         * dwarf2asm.c (eh_data_format_name): Name it.
1390         (dw2_asm_output_encoded_addr_rtx): Align for it.
1391         * dwarf2out.c (output_call_frame_info): Handle it for personality
1392         routine and LSDA pointers.
1393
1394         * unwind-pe.h (DW_EH_PE_aligned): New.
1395         (base_of_encoded_value): Handle it.
1396         (read_encoded_value_with_base): Likewise.
1397         * unwind-dw2-fde.c (base_from_object): Likewise.
1398         (get_cie_encoding): Likewise.
1399
1400         * config/alpha/elf.h: Remove ecoff commentary.
1401         * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1402
1403 2001-06-05  David O'Brien  <obrien@FreeBSD.org>
1404
1405         * config.gcc, config/i386/bsd386.h:  Do not directly include
1406         i386/386bsd.h.  Instead do it via tm_file.
1407
1408 2001-06-05  David O'Brien  <obrien@FreeBSD.org>
1409
1410         * elfos.h (USING_ELFOS_H):  Identify the use of elfos.h in the same
1411         way svr4.h does.
1412
1413 2001-06-05  Pascal Obry  <obry@act-europe.fr>
1414
1415         * configure.in: Quote $enable_win32_registry in case the value has
1416         spaces in it.
1417         * configure: Ditto.
1418
1419 2001-06-05  Mark Mitchell  <mark@codesourcery.com>
1420
1421         * print-rtl.c (xspaces): Remove.
1422         (print_rtx): Use printf field-width, rather than xpsaces, to
1423         indent.
1424         * toplev.c (main): Disable sibling-call optimization if we are
1425         handling exceptions.
1426
1427 2001-06-05  Bernd Schmidt  <bernds@redhat.com>
1428
1429         * reload1.c (reload): Delete all USEs generated during reload.
1430
1431 2001-06-05  scott snyder  <snyder@fnal.gov>
1432
1433         * gccbug.in:  Fix typo.
1434
1435 2001-06-05  Andreas Jaeger  <aj@suse.de>
1436
1437         * builtins.def: Fix definition of __builtin_cosf, it uses float as
1438         parameter and return value.
1439
1440 2001-06-04  Anthony Green  <green@redhat.com>
1441
1442         * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
1443         machine.  This is now done in sparc.h.
1444
1445 2001-06-05  Nathan Sidwell  <nathan@codesourcery.com>
1446
1447         Correct CVS resurrection of invoke.texi.
1448         * doc/invoke.texi: Document new tree dump flags.
1449
1450 2001-06-05  Joseph S. Myers  <jsm28@cam.ac.uk>
1451
1452         * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
1453         for casting an aggregate to its own type.  Fixes PR c/2735.
1454
1455 2001-06-05  Joseph S. Myers  <jsm28@cam.ac.uk>
1456
1457         * doc/texinfo.tex: Update to version 2001-05-24.08.
1458
1459 2001-06-05  Nathan Sidwell  <nathan@codesourcery.com>
1460
1461         * c-common.h (flag_dump_translation_unit): Remove.
1462         (enum tree_dump_index): Define.
1463         (TDF_ADDRESS, TDF_SLIM): New #defines.
1464         (dump_node_to_file): Remove.
1465         (dump_node): Make extern. Add flags.
1466         (dump_flag, dump_enabled_p, dump_begin, dump_end,
1467         dump_switch_p): Prototype.
1468         * c-common.c (flag_dump_translation_unit): Remove.
1469         * c-decl.c (c_decode_option): Remove -fdump-translation-unit
1470         logic. Use dump_switch_p.
1471         * c-dump.h (struct dump_info): Add node and user fields.
1472         (dump_pointer): Declare.
1473         * c-dump.c (dump_node): Make extern. Add flags.
1474         (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
1475         (dump_new_line, dump_maybe_newline): Use them.
1476         (dump_pointer): New function.
1477         (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
1478         chain or function's body. Dump address, if TDF_ADDRESS set.
1479         (dump_flag): Define.
1480         (dump_node_to_file): Remove.
1481         (struct dump_file_info): New struct.
1482         (dump_files): New array.
1483         (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
1484         * c-lang.c (finish_file): Adjust dumping.
1485         * toplev.h (dump_base_name): Make extern.
1486         * invoke.texi: Document new flags.
1487
1488 2001-06-04  Mark Mitchell  <mark@codesourcery.com>
1489
1490         * c-tree.h (lang_decl): Add pending_sizes fields.
1491         * c-decl.c (store_parm_decls): Save pending_sizes away for nested
1492         functions.
1493         (c_expand_body): Expand them.
1494         (lang_mark_tree): Mark lang_decl:pending_sizes.
1495         * function.c (expand_pending_sizes): New function, broken out
1496         from ...
1497         (expand_function_start): ... here.
1498         * tree.h (expand_pending_sizes): Declare it.
1499
1500 2001-06-04  Loren J. Rittle  <ljrittle@acm.org>
1501
1502         * doc/install.texi: Update FreeBSD information.  Generalize
1503         and update information for alpha-based platforms using ELF.
1504
1505 2001-06-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>
1506
1507         * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
1508         (store_parm_decls): Likewise.
1509         * c-typeck.c (convert_arguments): Likewise.
1510
1511 2001-06-04  Richard Henderson  <rth@redhat.com>
1512
1513         * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
1514         optimization if current_function_calls_setjmp.
1515
1516 2001-06-04  Joseph S. Myers  <jsm28@cam.ac.uk>
1517
1518         * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
1519         wide strings.
1520
1521 Mon Jun  4 20:44:25 CEST 2001  Jan Hubicka  <jh@suse.cz>
1522
1523         * simplify-rtx.c (simplify_subreg): Fix combining of
1524         paradoxical subregs.
1525
1526 Mon Jun  4 20:15:25 CEST 2001  Jan Hubicka  <jh@suse.cz>
1527
1528         * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
1529         (no_labels_between_p): Short circuit case beg==end.
1530
1531 Mon Jun  4 20:03:05 CEST 2001  Jan Hubicka  <jh@suse.cz>
1532
1533         * rtlanal.c (operand_preference): Fix preference for objects.
1534
1535 Mon Jun  4 20:00:40 CEST 2001  Jan Hubicka  <jh@suse.cz>
1536
1537         * gcse.c (handle_avail_expr): Be prepared to handle single_set
1538         parallels.
1539
1540 Mon Jun  4 19:59:46 CEST 2001  Jan Hubicka  <jh@suse.cz>
1541
1542         * combine.c (if_then_else_cond): Use simplify_subreg instead
1543         of operand_subword.
1544         * integreate.c (sub_constants): Likewise.
1545
1546 Mon Jun  4 19:59:12 CEST 2001  Jan Hubicka  <jh@suse.cz>
1547
1548         * emit-rtl.c (constant_subword): Deprecate; remove most of code
1549         and use simplify_gen_subreg.
1550
1551 Mon Jun  4 19:55:23 CEST 2001  Lars Brinkhoff  <lars@nocrew.org>
1552
1553         * sibcall.c (skip_copy_to_return_value): recognize the situation
1554         when the called function's return value is copied into an
1555         intermediate pseudo, and then into the calling functions return
1556         value register.
1557
1558 Mon Jun  4 16:50:33 CEST 2001  Jan Hubicka  <jh@suse.cz>
1559
1560         * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
1561         check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
1562         in case register wasn't OK previously, accept it now; allow
1563         subregs of frame pointer if reload completed and frame pointer
1564         is not needed.
1565
1566         * combine.c (sombine_simplify_rtx): Fix comment;
1567         use subreg_lowpart_offset instead of subreg_lowpart_p
1568         (gen_lowpart_for_combine): Use subreg_lowpart_offset.
1569         * rtl.h (subreg_lowpart_parts_p): Kill.
1570         (subreg_lowpart_offset, subreg_highpart_offset): Declare.
1571         * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
1572         * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
1573         (gen_lowpart_common): Likewise.
1574         (subreg_lowpart_p): Likewise.
1575         (subreg_lowpart_parts_p): Kill.
1576         (subreg_lowpart_offset, subreg_highpart_offset): New function.
1577
1578         * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
1579         to simplify SUBREG and REG.
1580         (gen_highpart): Use simplify_gen_subreg for all simplifications.
1581
1582         * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
1583         CONCAT specially.
1584
1585         * rtlanal.c (replace_regs):  Use simplify_gen_subreg
1586
1587 Mon Jun  4 09:21:19 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1588
1589         * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
1590         (ARRAY_RANGE_REF): Added description.
1591
1592         * tree.def (ARRAY_RANGE_REF): New code.
1593         * alias.c (handled_component_p, can_address_p): Handle it.
1594         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
1595         * explow.c (set_mem_attributes): Likewise.
1596         * expr.c (expand_assignment, get_inner_reference): Likewise.
1597         (expand_expr, expand_expr_unaligned, do_jump): Likewise.
1598         * fold-const.c (operand_equal_p): Likewise.
1599         * tree.c (staticp, stabilize_reference): Likewise.
1600         * varasm.c (decode_addr_const): Likewise.
1601
1602 Sun Jun  3 21:59:51 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1603
1604         * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
1605         (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
1606
1607 2001-06-03  kaz Kojima  <kkojima@rr.iij4u.or.jp>
1608
1609         * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
1610         mark_constant_pool_use before output_addr_const.
1611         (struct pool_node): New field wend.
1612         (add_constant): Note a sequence of constants that are referenced
1613         by a given label.
1614         (pool_window_label, pool_window_last): New variables.
1615         (dump_table): Emit a unspec_volatile representing the end of a
1616         sequence of constants.
1617         (mark_constant_pool_use): New function.
1618         * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
1619         (consttable_2): Add the second operand which flags whether
1620         this consttable entry was used or not.
1621         (consttable_4, consttable_8, consttable_sf, consttable_df):
1622         Likewise.
1623         (consttable_window_end): New insn.
1624
1625 2001-06-03  Alexandre Oliva  <aoliva@redhat.com>
1626
1627         * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
1628         Reformat according to coding standards.
1629
1630         Warning removal.
1631         * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
1632         (shl_and_kind): Cast wide constant.
1633         (gen_far_branch): Define as static, as in declaration.
1634         (barrier_align): Compute cache-line length as unsigned.  Add
1635         parentheses in initial credit computation.
1636         (rounded_frame_size): Add parentheses.
1637         (permanent_obstack): Remove declaration.  Include ggc.h for
1638         declaration of ggc_add_root_rtx().
1639         (get_free_reg): Removed declaration of unused variable reg.
1640         (legitimize_pic_address): Mark mode argument as unused.
1641
1642 2001-06-03  Igor Shevlyakov  <igor@windriver.com>
1643
1644         * config/sh/sh.c (output_branch): Support for insn with lenght
1645         attr 12 & 16 which represents cond branches outside +-4096 range.
1646
1647 2001-06-03  Alexandre Oliva  <aoliva@redhat.com>
1648
1649         * config/sh/lib1funcs.asm (ic_invalidate): Align the
1650         cache-mirroring sequence.  Add nops.
1651
1652 2001-06-03  Joseph S. Myers  <jsm28@cam.ac.uk>
1653
1654         * doc/install-old.texi: Remove more old installation
1655         documentation.
1656         * doc/install.texi: Add relevant parts here.
1657
1658 2001-06-03  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1659
1660         * doc/install.texi2html: New script.
1661
1662 2001-06-03  David Edelsohn  <edelsohn@gnu.org>
1663
1664         * doc/install.texi: Update AIX information again.
1665
1666 2001-06-02  Joseph S. Myers  <jsm28@cam.ac.uk>
1667
1668         * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
1669         installation documentation.
1670         * doc/install.texi: Move it to here.
1671
1672 2001-06-02  Joseph S. Myers  <jsm28@cam.ac.uk>
1673
1674         * doc/install.texi: Clean up Texinfo markup.
1675
1676 2001-06-02  Joseph S. Myers  <jsm28@cam.ac.uk>
1677
1678         * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
1679         to just after title page.
1680
1681 2001-06-02  Joseph S. Myers  <jsm28@cam.ac.uk>
1682
1683         * doc/install-old.texi: Remove documentation of some configuration
1684         options.
1685         * doc/install.texi: Add relevant parts of this documentation here.
1686
1687 2001-06-02  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1688
1689         * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
1690         Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
1691
1692 Sat Jun  2 12:23:51 CEST 2001  Jan Hubicka  <jh@suse.cz>
1693
1694         * i386.md (all uses of ext_register_operand): Make sure they are
1695         VOIDmode; replace all uses outside zero_extend.
1696         (and?i splitters): Use ext_register_operands.
1697         (test?i peep2): Remove ignored constraints.
1698         * i386.c (ext_register_operand): Check that operand is
1699         eighter pseudo or hard or 'Q' register.
1700
1701 Sat Jun  2 06:53:50 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1702
1703         * tree.h (struct record_layout_info_s): New field unpadded_align.
1704         (set_lang_adjust_rli): New declaration.
1705         * stor-layout.c (layout_decl): If DECL is packed, but at alignment
1706         it would have if not packed, do not downgrade DECL_ALIGN.
1707         (lang_adjust_rli, set_lang_adjust_rli): New.
1708         (start_record_layout): Initialize new field unpadded_align.
1709         (debug_rli): Display it.
1710         (place_union_field, place_field): Set it.
1711         (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
1712
1713         * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
1714         mean that; use proper names instead.
1715         Print DECL_NO_STATIC_CHAIN.
1716
1717         * except.c (expand_builtin_frob_return_addr): Add missing call
1718         to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
1719         (expand_builtin_eh_return): Likewise.
1720         (expand_eh_return): Clean up ptr_mode != Pmode cases.
1721
1722 2001-06-01  Jan van Male  <jan.vanmale@fenk.wau.nl>
1723
1724         * doc/invoke.texi: Remove references to papers about sequence points
1725         to readings.html, refer to that page.
1726
1727 2001-06-01  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1728
1729         * README: Update references to installation instructions.
1730
1731 2001-06-01  Laurent Guerby  <guerby@acm.org>
1732             Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1733
1734         * doc/install.texi: Define srcdir when sources come from CVS.
1735         Significantly improve markup.  Wrap overly long lines
1736
1737 2001-06-01  DJ Delorie  <dj@redhat.com>
1738
1739         * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
1740         extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
1741         objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
1742         gcov.1: Move to doc subdirectory.
1743         * install.texi: Move to doc/install-old.texi.
1744         * gcc.texi: Move to doc, refer to install-old.texi.
1745         * Makefile.in: Reflect move of docs to doc/.
1746         * f/Make-lang.in: Ditto.
1747         * java/Make-lang.in: Ditto.
1748         * doc/.cvsignore: New.
1749
1750 2001-05-31  Jan van Male  <jan.vanmale@fenk.wau.nl>
1751
1752         * invoke.texi: use two spaces between command options, eliminate
1753         some 'overfull hboxes'
1754
1755 2001-06-01  Hans-Peter Nilsson  <hp@axis.com>
1756
1757         * Makefile.in (s-mlib): Make backtick-commands always succeed.
1758         (DRIVER_DEFINES): Ditto.
1759
1760 2001-05-31  Richard Henderson  <rth@redhat.com>
1761
1762         * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
1763         also link against libgcc.a.
1764
1765 2001-05-31  Geoff Keating  <geoffk@cygnus.com>
1766
1767         * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
1768         * config/mips/mips.c (mips_output_ascii): New function.
1769         * config/mips/mips-protos.h (mips_output_ascii): Prototype.
1770
1771         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
1772
1773 Thu May 31 19:09:53 CEST 2001  Jan Hubicka  <jh@suse.cz>
1774
1775         * flow.c (set_block_for_new_insns): Remove bogus shortcut.
1776         * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
1777
1778 2001-05-31  Rodney Brown  <rbrown64@csc.com.au>
1779
1780         * install.texi (Configuration): Add html links for --with-gnu-as &
1781         --with-gnu-ld and refer to them from hppa & SCO triplets.
1782         (Specific): Link back to with-gnu-ld for all ELF platfoms.
1783         (Specific): Reword AVR binutils recommendation.
1784
1785 2001-05-30  Zack Weinberg  <zackw@stanford.edu>
1786
1787         * ggc-page.c (size_lookup): Increase minimum allocation size
1788         to eight bytes.
1789         (ggc_print_statistics): Report size of each bin in bytes, not
1790         as its order; there is no longer a direct relationship.
1791
1792 2001-05-31  Jan van Male  <jan.vanmale@fenk.wau.nl>
1793
1794         * extend.texi: Fix formating of examples, eliminate some
1795         'overfull hboxes'.
1796         * gcc.texi: Eliminate some 'overfull hboxes'.
1797         * invoke.texi: Use two spaces between command options, eliminate
1798         some 'overfull hboxes'.
1799
1800 2001-05-30  Richard Henderson  <rth@redhat.com>
1801
1802         * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
1803
1804 2001-05-30  Tom Tromey  <tromey@redhat.com>
1805
1806         * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
1807         use it in the new association.
1808
1809 2001-05-30  Loren J. Rittle  <ljrittle@acm.org>
1810             John David Anglin  <dave@hiauly1.hia.nrc.ca>
1811
1812         * gthr-posix.h (__gthread_active_ptr): Cast function pointer
1813         to target type to allow ISO C++ compiler to accept it.
1814         * gthr-dce.h (__gthread_active_ptr): Likewise.
1815         * gthr-solaris.h (__gthread_active_ptr): Likewise.
1816
1817 2001-05-30  Neil Booth  <neil@daikokuya.demon.co.uk>
1818
1819         * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
1820         so that we do accept comments in preprocessed input.
1821
1822 2001-05-30  Neil Booth  <neil@daikokuya.demon.co.uk>
1823
1824         * cpphash.c (alloc_node): Cast allocated pointer.
1825
1826 2001-05-30  Gordon Sadler <gbsadler1@lcisp.com>
1827
1828         * invoke.texi (Option Summary): Remove -isystem-c++ from options.
1829
1830 2001-05-29  Stan Shebs  <shebs@apple.com>
1831
1832         * gcc.texi: Add links for information about Objective-C.
1833
1834 2001-05-29  Nathan Sidwell  <nathan@codesourcery.com>
1835
1836         * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
1837         /bin/sed fails on [^\"]).
1838         (configargs.h): Likewise.
1839
1840 2001-05-29  Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
1841
1842         * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
1843
1844 2001-05-28  Stan Shebs  <shebs@apple.com>
1845
1846         * objc/objc.gperf: Remove, no longer used.
1847
1848 2001-05-28  Joseph S. Myers  <jsm28@cam.ac.uk>
1849
1850         * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
1851         gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
1852         Remove trailing whitespace.
1853
1854 2001-05-28  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1855
1856         * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
1857         became http://freeware.sgi.com/.
1858
1859 2001-05-27  Geoffrey Keating  <geoffk@redhat.com>
1860
1861         * local-alloc.c (update_equiv_regs): Don't eliminate constant
1862         expressions at -O0.
1863
1864 2001-05-27  Stan Shebs  <shebs@apple.com>
1865
1866         * objc/objc-act.c: Add/fix various comments.
1867         (init_selector): Remove, no longer used.
1868         (build_msg_pool_reference): Ditto.
1869         (objc_debug): Ditto.
1870
1871 2001-05-27  Neil Booth  <neil@daikokuya.demon.co.uk>
1872
1873         * c-decl.c (init_decl_processing):
1874          Don't call start_identifier_warnings.
1875         * flags.h (warn_id_clash, id_clash_len): Remove.
1876         * stringpool.c: Don't include flags.h.
1877         (scan_for_clashes, do_identifier_warnings,
1878         start_identifier_warnings): Remove.
1879         * toplev.c (warn_id_clash, id_clash_len): Remove.
1880         (display_help): Don't document -Wid-clash.
1881         (decode_W_option): Print warning on -Wid-clash.
1882         * tree.h (start_identifier_warnings): Remove.
1883         * invoke.texi: Remove documentation of -Wid-clash.
1884
1885 2001-05-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1886
1887         * fixinc/fixtests.c: Declare entries in ENV_TABLE.
1888
1889 2001-05-27  Bruce Korb  <bkorb@gnu.org>
1890
1891         * fixinc/check.tpl(HACK) add and use a Scheme variable
1892         (has no test text): error out if no "test_text" is defined
1893         * fixinc/fixincl.tpl: likewise
1894         (FIXIDX): make it an enumeration so we minimize diffs
1895         * fixinc/inclhack.def: re-alphabetize and add sort instructions
1896         * fixinc/fixincl.x: regenerate
1897         * fixinc/tests/base/stdio.h: test output got moved due to
1898         the alphabetizing
1899         * README-fixinc: rewrite (mostly)
1900
1901 2001-05-27  Neil Booth  <neil@daikokuya.demon.co.uk>
1902
1903         * cpplib.c (run_directive): Set pfile->directive.
1904
1905 2001-05-23  Theodore Papadopoulo  <Theodore.Papadopoulo@sophia.inria.fr>
1906
1907         * c-tree.texi: Reformat the manual as a single chapter now
1908         included by gcc.texi.
1909         * gcc.texi: Include c-tree.texi. Merge all indexes.
1910         * Makefile.in (dvi): Add generation for the cppinternals
1911         documentation. Added dependencies on fdl.texi and c-tree.texi
1912         where appropriate.  Use TEXI2DVI instead of custom tex calls.
1913         (info): Added dependencies on fdl.texi and c-tree.texi where
1914         appropriate.  Remove the target c-tree.info.
1915
1916 2001-05-27  Lars Brinkhoff  <lars@nocrew.org>
1917
1918         * combine.c (try_combine): Fix typo in comment.
1919         * expr.c (expand_expr): Likewise.
1920         * config/i370/i370.md (untyped_call): Likewise.
1921
1922 2001-05-26  Bruce Korb  <bkorb@gnu.org>
1923
1924         * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1925         when fixincl is operating in test mode
1926         * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
1927         (AAB_ultrix_limits): remove redundant text
1928         (AAB_ultrix_memory): ditto
1929         (AAB_ultrix_string): ditto
1930         (djgpp_wchar_h): fix the test text
1931         (irix_stdio_va_list): add test text
1932         (irix_limits_const): add a testing output file (limits.h is overwritten)
1933         (strict_ansi_not_ctd): put limits.h second in list for same reason
1934         (solaris27_mutex_init): test text needed selection text, too
1935
1936         * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1937         when fixincl is operating in test mode
1938
1939 2001-05-26  Philip Blundell  <philb@gnu.org>
1940
1941         * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1942         * config/i960/i960-protos.h: Likewise.
1943         * config/i370/i370-protos.h: Likewise.
1944         * config/h8300/h8300-protos.h: Likewise,
1945         * config/sh/sh-protos.h: Likewise.
1946         * config/v850/v850-protos.h: Likewise.
1947
1948 2001-05-26  Philip Blundell  <philb@gnu.org>
1949
1950         * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1951
1952 2001-05-25  Zack Weinberg  <zackw@stanford.edu>
1953
1954         * toplev.c (debug_args, f_options, W_options): Mark
1955         descriptions for translation.
1956         (display_help): Translate descriptions on output.
1957
1958         * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
1959         objc/lang-options.h: Mark descriptions for translation.
1960
1961         * aclocal.m4: Quote final argument of patsubst.  Use
1962         3-argument form of AC_DEFINE.  Restore quotes to [] while
1963         using AC_FD_CC.
1964         * configure.in: Remove unnecessary changequote calls.
1965         * configure, config.in: Regenerate.
1966
1967 2001-05-25  Sam TH  <sam@uchicago.edu>
1968
1969         * basic-block.h: Fix header include guards.
1970         * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
1971         cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
1972         except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
1973         gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
1974         gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
1975         insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
1976         rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
1977         varray.h version.h: Likewise.
1978         * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
1979         config/arm/arm.h config/c4x/c4x-protos.h
1980         config/h8300/h8300-protos.h config/h8300/h8300.h
1981         config/i370/i370-protos.h config/i370/i370.h
1982         config/i960/i960-protos.h config/mcore/mcore.h
1983         config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
1984         config/v850/v850-protos.h config/v850/v850.h: Likewise.
1985         * fixinc/fixlib.h fixinc/server.h: Likewise.
1986
1987 2001-05-25  Stacey Sheldon  <ssheldon@Catena.com>
1988
1989         * config/arc/initfini.c (.init): Fix typo.
1990
1991 2001-05-25  Geoffrey Keating  <geoffk@redhat.com>
1992
1993         * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
1994
1995 2001-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1996
1997         * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
1998
1999 2001-05-25  Richard Henderson  <rth@redhat.com>
2000
2001         * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
2002
2003 2001-05-25  Richard Henderson  <rth@redhat.com>
2004
2005         * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
2006         (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
2007         (sparc*-*-solaris2): Likewise.
2008         * config/t-linux: Remove shared libgcc macros.
2009         * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
2010         * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
2011
2012 2001-05-25  Loren J. Rittle  <ljrittle@acm.org>
2013
2014         * config.gcc (*-*-freebsd*): Report bad configuration.
2015
2016 2001-05-25  David Edelsohn  <edelsohn@gnu.org>
2017
2018         * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
2019
2020         * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
2021         any prefix.
2022         (ASM_OUTPUT_LABELREF): Delete.
2023
2024 2001-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2025
2026         * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
2027         strict_ansi_only): Don't run if stdc_0_in_system_headers.
2028         * fixinc/fixincl.x: Regenerate.
2029         * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
2030         (FIX_TEST_TABLE): Declare it.
2031         * fixinc/fixlib.h: Include config.h.
2032
2033 2001-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2034
2035         * fixinc/inclhack.def (alpha___assert): Change char * args to
2036         const char * on Tru64 UNIX to avoid excessive warnings from
2037         assert.h.
2038         * fixinc/fixincl.x: Regenerate.
2039
2040 2001-05-25  Geoff Keating  <geoffk@redhat.com>
2041
2042         * dbxout.c (dbxout_symbol): Invert previous patch, which was
2043         outputting a tag only for variable-size records.
2044
2045 2001-05-25  Jeff Knaggs  <jknaggs@redhat.com>
2046
2047         * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
2048         instead of rtx_equal_p for early clobber test.
2049
2050 2001-05-26  Mark Mitchell <mark@codesourcery.com>
2051
2052         * builtins.def: Encode additional information, such as names and
2053         types, here.
2054         * builtin-types.def: New file.
2055         * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
2056         (built_in_decls): Likewise.  Don't explicitly initialize global
2057         data to NULL.
2058         (expand_builtin_mathfn): Handle float and long double variants of
2059         math builtins.
2060         (expand_builtin): Likewise.
2061         * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
2062         (expand_tree_builtin): Handle long, long long, float, and long
2063         double variants of math functions.
2064         * c-common.h (c_tree_index): Remove some unused nodes.
2065         (void_ftype): Remove.
2066         (void_type_ptr): Likewise.
2067         (int_ftype_int): Likewise.
2068         (ptr_ftype_sizetype): Likewise.
2069         * c-decl.c (init_decl_processing): Remove creation of DWARF
2070         builtins.
2071         * defaults.h (MD_INIT_BUILTINS): Provide default definition.
2072         * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
2073         * Makefile.in (c-common.o): Depend on builtin-types.def.
2074
2075 2001-05-25  Dale Johannesen  <dalej@apple.com>
2076
2077         * config/rs6000/t-darwin: Fix dependencies for darwin.o.
2078
2079 2001-05-25  Neil Booth  <neil@daikokuya.demon.co.uk>
2080
2081         * c-parse.in (notype_initdcl): Remove redundant line.
2082
2083 2001-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2084
2085         * aclocal.m4: Fixed typo.
2086         (gcc_AC_HEADER_STDBOOL): Define.
2087         (gcc_AC_C__BOOL): Define.
2088         * configure.in: Use them.
2089         (AC_CHECK_HEADERS): Remove stdbool.h
2090         * configure, config.in: Regenerate.
2091
2092 2001-05-25  Richard Henderson  <rth@redhat.com>
2093
2094         * function.c (expand_function_start): Don't abort on PARALLEL
2095         returns from hard_function_value.
2096
2097 2001-05-25  Richard Henderson  <rth@redhat.com>
2098
2099         * config/i386/i386.md: Revert previous change.  Do not apply
2100         the peephole if the components do not die after the sequence.
2101
2102 2001-05-25  Joseph S. Myers  <jsm28@cam.ac.uk>
2103
2104         * c-parse.in (array_declarator): New.  Handle C99 constructs.
2105         Don't restrict [*] declarators to C only.
2106         (after_type_declarator, parm_declarator_starttypename,
2107         parm_declarator_nostarttypename, notype_declarator,
2108         direct_absdcl1): Use it.
2109         * c-decl.c (build_array_declarator, set_array_declarator_type):
2110         New functions.  Warn that [*] isn't properly implemented; pedwarn
2111         for [*] outside C99 mode if pedantic rather than giving a hard
2112         error.
2113         (grokdeclarator): Handle static and type qualifiers in parameter
2114         array declarators.
2115         * c-tree.h (build_array_declarator, set_array_declarator_type):
2116         Declare.
2117         * extend.texi (Attribute Syntax): Document attributes in parameter
2118         array declarators.
2119
2120 2001-05-25  Mark Mitchell  <mark@codesourcery.com>
2121
2122         * config/i386/i386.md: Make sure cmpstr peepholes do not
2123         affect liveness information.
2124
2125 2001-05-24  Mark Mitchell  <mark@codesourcery.com>
2126
2127         * c-typeck.c (digest_init): Issue error messages about
2128         invalid constants, not warnings.
2129
2130 2001-05-24  Mark Mitchell  <mark@codesourcery.com>
2131
2132         * invoke.texi (-fno-builtin): Document that this is always on
2133         in C++.
2134
2135 2001-05-24  Philip Blundell  <philb@gnu.org>
2136
2137         * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
2138         required.
2139
2140 2001-05-24  Philip Blundell  <philb@gnu.org>
2141
2142         * config/arm/arm.c (output_return_instruction): Correctly handle
2143         interworking and interrupt functions.
2144
2145 2001-05-24  Philip Blundell  <philb@gnu.org>
2146
2147         * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
2148         -m{no-}sched-prolog.  Fix typos and improve formatting.
2149
2150 2001-05-24  Philip Blundell  <philb@gnu.org>
2151
2152         * invoke.texi (ARM Options): Improve wording slightly.  Add
2153         documentation for more options, including those for Thumb mode.
2154         Don't mention options that don't exist or are unimplemented.
2155         (Thumb Options): Delete; merged into above section.
2156
2157 2001-05-24  Geoff Keating  <geoffk@redhat.com>
2158
2159         * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
2160         (MD_FALLBACK_FRAME_STATE_FOR): Use it.
2161
2162 Thu May 24 19:47:19 CEST 2001  Jan Hubicka  <jh@suse.cz>
2163
2164         * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
2165         fix hard register simplification.
2166
2167 Thu May 24 00:15:17 2001  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2168
2169         * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
2170         of just copying CPP_CPU_SPEC.
2171
2172 Thu May 24 15:56:48 CEST 2001  Jan Hubicka  <jh@suse.cz>
2173
2174         * i386.c (incdec_operand): Accept only 1 and -1.
2175
2176 2001-05-23  Kelley Cook  <kelley.cook@home.com>
2177
2178         * Makefile.in: Move many of the *_H definitions eariler in the
2179         file, so that rules in t-* files that use them for
2180         dependencies will work in a parallel build.
2181         * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
2182
2183 2001-05-23  Richard Henderson <rth@redhat.com>
2184
2185         * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
2186
2187 2001-05-23  Neil Booth  <neil@daikokuya.demon.co.uk>
2188
2189         * cpp.texi: Update for handling of charconsts.
2190         * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF.  Update
2191         diagnostics.  Skip to the end if the UCS is too short.
2192         (cpp_interpret_charconst): Long charconsts issue a warning
2193         not an error.
2194
2195 2001-05-23  Richard Henderson  <rth@redhat.com>
2196
2197         * doc/install.texi (alpha-linux): Require binutils 2.11.
2198
2199 2001-05-23  Neil Booth  <neil@daikokuya.demon.co.uk>
2200
2201         * c-lex.c (read_escape, read_ucs): Delete.
2202         (lex_string): Use cpp_parse_escape.
2203         * cpplex.c (read_ucs): Rename maybe_read_ucs.  Do nothing
2204         if not C++ or not C99.  Warn if traditional.
2205         (parse_escape): Rename cpp_parse_escape.  Make the bitmask
2206         unsigned.  Warn for out-of-range escape sequences here.
2207         Update to use maybe_read_ucs.
2208         (cpp_interpret_charconst):  Don't warn here.
2209         * cpplib.h (cpp_parse_escape): New exported function.
2210
2211 2001-05-23  Joseph S. Myers  <jsm28@cam.ac.uk>
2212
2213         * extend.texi (Attribute Syntax): Clarify application of
2214         attributes to parameters declared as functions or arrays.
2215
2216 2001-05-23  Jason Merrill  <jason_merrill@redhat.com>
2217
2218         * dbxout.c (dbxout_type_methods): Do still group methods by name.
2219
2220 2001-05-23  Zack Weinberg  <zackw@stanford.edu>
2221
2222         * diagnostic.c (vnotice): Kill.
2223         (fnotice): Call vfprintf directly.
2224         (diagnostic_for_decl, output_do_verbatim, output_verbatim,
2225         verbatim, set_diagnostic_context): Rename string argument to
2226         indicate that it is run through gettext.
2227         (vbuild_message_string, build_message_string, output_do_printf):
2228         Rename string argument to indicate that it is NOT run through
2229         gettext.
2230         (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
2231         output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
2232         Run msgid argument through gettext.
2233         (default_print_error_function): Run constant strings through
2234         gettext when nothing else will.
2235         (fatal_error, internal_error, error_recursion): Use fnotice.
2236         Present complete sentences to gettext.
2237
2238 2001-05-23  Mark Mitchell  <mark@codesourcery.com>
2239
2240         * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
2241
2242 2001-05-23  Richard Henderson  <rth@redhat.com>
2243
2244         * function.c (expand_function_start): Always use a pseudo
2245         for the function result value.
2246
2247 2001-05-22  Richard Henderson  <rth@redhat.com>
2248
2249         * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
2250         section pointer alignment.
2251
2252         * doc/install.texi (alpha-linux): Require binutils >= 2.10.
2253
2254         * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
2255         of __USER_LABEL_PREFIX__.
2256
2257 2001-05-22  Richard Henderson  <rth@redhat.com>
2258
2259         * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
2260         (__deregister_frame_info_bases): New.
2261         * unwind-dw2-fde.h: Declare it.
2262         * libgcc-std.ver: Export it.
2263         * crtstuff.c (__do_global_dtors_aux): Call it if we would have
2264         called __register_frame_info_bases.
2265
2266 2001-05-22  Loren J. Rittle  <ljrittle@acm.org>
2267
2268         * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
2269         instead of #elif (which is OK for this case but not in general).
2270
2271 2001-05-22  Andrew MacLeod  <amacleod@redhat.com>
2272
2273         * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
2274         * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
2275         parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
2276         * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
2277         "r2" to the assembly file. Only issue allocs with non-zero parameters.
2278
2279 2001-05-22  Loren J. Rittle  <ljrittle@acm.org>
2280             David O'Brien  <obrien@freebsd.org>
2281
2282         * config/freebsd.h (LIB_SPEC): Key the exact setting to
2283         configure-time options and target version of FreeBSD.  Set-up
2284         to match architectural change in threading support.  Correctly
2285         report when -pthread option is not supported by configure-time
2286         options.
2287         (FBSD_CPP_PREDEFINES): Move from architecture-specific files
2288         and extend to encode target version number in run-time setting
2289         of __FreeBSD__ macro to match the system compiler.
2290         (CPP_PREDEFINES): Likewise.
2291         (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
2292
2293         * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
2294         * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
2295
2296 2001-05-22  Loren J. Rittle  <ljrittle@acm.org>
2297             David O'Brien  <obrien@freebsd.org>
2298
2299         * config.gcc (the unlabeled system switch statement): Add
2300         generic configuration section to handle *-*-freebsd*.  Also,
2301         to match the system compiler, default to threading support (it
2302         may be disabled with the standard --disable-threads
2303         configuration-time switch).
2304         (i[34567]86-*-freebsd* in machine-specific section): Use it.
2305         (alpha*-*-freebsd* in machine-specific section): Likewise.
2306
2307         * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
2308         * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
2309         * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
2310         * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
2311         * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
2312
2313 2001-05-22  Loren J. Rittle  <ljrittle@acm.org>
2314             David O'Brien  <obrien@freebsd.org>
2315
2316         * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
2317         * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
2318         -pthread instead setting macro.
2319
2320 2001-05-22  Richard Henderson  <rth@redhat.com>
2321
2322         * crtstuff.c (__register_frame_info_bases): Declare.
2323         (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
2324         (__do_global_dtors_aux, __do_global_dtors): Streamline.
2325
2326         * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2327         (CRT_GET_RFIB_DATA): New.
2328         * config/i386/sysv4.h: Likewise.
2329         * config/i386/sco5.h: Likewise.
2330         (ASM_PREFERRED_EH_DATA_FORMAT): New.
2331
2332 2001-05-22  Richard Henderson  <rth@redhat.com>
2333
2334         * rtl.c (read_string): Break out from ...
2335         (read_rtx): ... here.
2336
2337 2001-05-22  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
2338
2339         * doc/install.texi (Specific): Remove a bogus and duplicate part
2340         copied from the end of the document.
2341
2342 2001-05-22  Bernd Schmidt  <bernds@redhat.com>
2343
2344         * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
2345
2346 2001-05-22  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
2347
2348         * install.texi: Remove obsolete information on SunOS as well as
2349         i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
2350         (Installing GNU CC on the Sun): Remove section.
2351
2352 2001-05-22  Alexandre Oliva  <aoliva@redhat.com>
2353
2354         * cppfiles.c (remove_component_p): Don't assume lstat/stat will
2355         keep errno unchanged on success.
2356
2357 2001-05-22  Joseph S. Myers  <jsm28@cam.ac.uk>
2358
2359         * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
2360         once for hexadecimal floats, whether or not they contain a decimal
2361         point.  Don't let the setting of pedantic otherwise affect the
2362         parsing of hexadecimal floats.
2363
2364 2001-05-22  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
2365
2366         * README.ACORN: Remove obsolete file.
2367
2368 2001-05-22  Jan Hubicka  <jh@suse.cz>
2369
2370         * combine.c (gen_binary): Use swap_commutative_operands_p
2371         (simplify_comparison): Likewise.
2372         * expmed.c (emit_store_flag): Likewise.
2373         * expr.c (compare_from_rtx): Likewise.
2374         (do_compare_rtx_and_jump): Likewise.
2375         * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
2376         if not emitting a branch and operands want swapping.
2377
2378 2001-05-22  Neil Booth  <neil@daikokuya.demon.co.uk>
2379
2380         * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
2381         * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
2382         (maybe_get_identifier): Update.
2383         * tree.h (make_identifier): Delete.
2384
2385 2001-05-21  Richard Henderson  <rth@redhat.com>
2386
2387         * combine.c (subst): Do not substitute for a register as
2388         a destination subreg/strict_low_part/zero_extract.
2389
2390         * combine.c (simplify_comparison): Update op1 after constant
2391         extension.
2392         * recog.c (const_int_operand): Accept only constants valid
2393         for the given mode.
2394         * genrecog.c: Update comments wrt const_int_operand.
2395
2396         * emit-rtl.c (init_emit_once): Zero unused memory in a
2397         CONST_DOUBLE.
2398
2399 2001-05-21  Mark Mitchell  <mark@codesourcery.com>
2400
2401         * tree.h (type_num_arguments): Declare it.
2402         * tree.c (type_num_arguments): New function.
2403
2404 2001-05-21  Richard Henderson  <rth@redhat.com>
2405
2406         * dwarf2out.c (current_funcdef_number): Move outside dwarf2
2407         conditional ifdef.
2408
2409 2001-05-21  Geoff Keating  <geoffk@redhat.com>
2410
2411         * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
2412         (maxsf3+1): Delete.
2413         (minsf3): Use rs6000_emit_minmax.
2414         (minsf3+1): Generalize to handle both SMIN and SMAX.  Use
2415         rs6000_emit_minmax.
2416         (movsfcc): Use rs6000_emit_cmove.
2417         (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
2418         Don't generate emit_fselsfsf4.
2419         (fseldfsf4): Likewise.
2420         (maxdf3): Use rs6000_emit_minmax.
2421         (maxdf3+1): Delete.
2422         (mindf3): Use rs6000_emit_minmax.
2423         (mindf3+1): Generalize to handle both SMIN and SMAX.  Use
2424         rs6000_emit_minmax.
2425         (movdfcc): Use rs6000_emit_cmove.
2426         (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
2427         Don't generate emit_fselsfsf4.
2428         (fselsfdf4): Likewise.
2429         * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
2430         (min_max_operator): New predicate.
2431         (rs6000_emit_cmove): New function.
2432         (rs6000_emit_minmax): New function.
2433         * config/rs6000/rs6000-protos.h: Prototype new functions.
2434         * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
2435         and min_max_operator.
2436
2437         * config/rs6000/rs6000.c (output_cbranch): Handle all
2438         conditional types in the switch statement.
2439
2440 2001-05-21  Mark Mitchell  <mark@codesourcery.com>
2441
2442         * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
2443         non-register variables.
2444         * extend.texi: Document that asm-specifications do not make sense
2445         for non-static local variables.
2446
2447 2001-05-21  Jason Merrill  <jason_merrill@redhat.com>
2448
2449         * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
2450         (dbxout_type_fields): Lose minimal_debug support.
2451         (dbxout_type_methods, dbxout_type): Likewise.
2452
2453 2001-05-17  Andrew Haley  <aph@redhat.com>
2454
2455         * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2456
2457 2001-05-21  Richard Henderson  <rth@redhat.com>
2458
2459         * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
2460         Update all users.
2461
2462 2001-05-20  Richard Henderson  <rth@redhat.com>
2463
2464         * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2465         DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
2466         DEBUG_STR_SECTION): Rename from s/DEBUG_//.  Update all users.
2467         * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2468         DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
2469         Likewise.
2470         * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2471         DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
2472         DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
2473         (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2474         * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2475         DEBUG_PUBNAMES_SECTION): Rename as above.
2476         (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2477
2478 2001-05-20  Richard Henderson  <rth@redhat.com>
2479
2480         * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
2481         operands unless the operation is commutative.
2482
2483 2001-05-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2484
2485         * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
2486         cases.
2487
2488 2001-05-21  Joseph S. Myers  <jsm28@cam.ac.uk>
2489
2490         * extend.texi: Clarify documentation of extensions included in ISO
2491         C99.  Prefer C99 terminology and syntax to old GNU terminology and
2492         syntax.  Add more index entries.  Document mixed declarations and
2493         code as an extension in C89 mode.  Warn about future changes to
2494         semantics of inline functions.  Fixes PR other/930.
2495
2496 Sun May 20 16:39:24 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2497
2498         * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
2499         access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2500         (expand_expr, case COMPONENT_REF): Do copy if misaligned even
2501         if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2502
2503         * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
2504
2505 2001-05-20  Richard Henderson  <rth@redhat.com>
2506
2507         * sched-deps.c (sched_analyze_insn): Force volatile memory reads
2508         to be output before a branch.
2509
2510 2001-05-20  Richard Henderson  <rth@redhat.com>
2511
2512         * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
2513
2514 2001-05-20  Richard Henderson  <rth@redhat.com>
2515
2516         * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
2517         (ASM_DOUBLE): Remove.
2518         * config/i386/bsd.h, config/i386/sco5.h: Likewise.
2519         * config/i386/sun386.h: Likewise.
2520
2521         * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
2522         (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
2523
2524         * config/i386/cygwin.h (INT_ASM_OP): Remove.
2525         * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
2526         * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
2527         * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
2528
2529         * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
2530         * config/i386/djgpp.h, config/i386/i386.h: Likewise.
2531         * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
2532         * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
2533         * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
2534         * config/i386/win32.h: Likewise.
2535
2536 2001-05-20  Joseph S. Myers  <jsm28@cam.ac.uk>
2537
2538         * invoke.texi: Add more options to summary list.
2539
2540 2001-05-20  Joseph S. Myers  <jsm28@cam.ac.uk>
2541
2542         * invoke.texi: Document meaning of -pedantic when -std=gnu* is
2543         used.  Fixes PR c/2291.
2544         * gcc.1: Regenerate.
2545
2546 2001-05-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
2547
2548         * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
2549         the -fpic and -fPIC options, clear flag_pic.
2550
2551 2001-05-20  Neil Booth  <neil@daikokuya.demon.co.uk>
2552
2553         * hashtable.c (calc_hash): Fix HASHSTEP definition.
2554         * stringpool.c (make_identifier): No statistics here anymore.
2555         * objc-act.c (steup_string_decl): Remove redundant check.
2556
2557 2001-05-20  Neil Booth  <neil@daikokuya.demon.co.uk>
2558
2559         * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
2560         cpplib.o, cpphash.o, fix-header): Update.
2561         (hashtable.o): New target.
2562         * c-common.h: Include cpplib.h.  Define C_RID_CODE and
2563         struct c_common_identifier here.
2564         * c-lang.c (c_init_options): Update.  Call set_identifier_size.
2565         * c-lex.c (c_lex): Update.
2566         * c-pragma.h: Update.
2567         * c-tree.h (struct lang_identifier): Contain c_common_identifier.
2568         Delete rid_code.
2569         (C_RID_CODE): Delete.
2570         * cpphash.c: Rewrite to use hashtable.c.
2571         * cpphash.h: Update include guards.
2572         (struct cpp_reader): Remove hashtab.
2573         hash_ob and buffer_ob are no longer pointers.  Add hash_table
2574         and our_hashtable.
2575         (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
2576         (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
2577         (_cpp_cleanup_stacks): Rename _cpp_init_directives.
2578         * cppinit.c (cpp_create_reader): Update.
2579         * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
2580         (cpp_interpret_charconst): Eliminate warning.
2581         * cpplib.c (do_pragma, do_endif, push_conditional,
2582         cpp_push_buffer, cpp_pop_buffer): Update.
2583         (_cpp_init_stacks): Rename cpp_init_directives.
2584         (_cpp_cleanup_stacks): Remove.
2585         * cpplib.h: Update include guards.  Include tree-core.h and c-rid.h.
2586         (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
2587          cpp_forall_identifiers, cpp_create_reader): Update.
2588         (C_RID_CODE, cpp_make_node): New.
2589         (c_common_identifier): New identifier node for C front ends.
2590         * cppmain.c (main): Update.
2591         * fix-header.c (read_scan_file): Update.
2592         * flags.h (id_clash_len): Make unsigned.
2593         * ggc.h (ggc_mark_nonnull_tree): New.
2594         * hashtable.c: New.
2595         * hashtable.h: New.
2596         * stringpool.c: Update comments and copyright.  Update to use
2597         hashtable.c.
2598         * toplev.c (approx_sqrt): Move to hashtable.c.
2599         (id_clash_len): Make unsigned.
2600         * toplev.h (ident_hash): New.
2601         * tree.c (gcc_obstack_init): Move to hashtable.c.
2602         * tree.h: Include hashtable.h.
2603         (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
2604         (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
2605         (struct tree_identifier): Update.
2606         (make_identifier): New.
2607 cp:
2608         * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
2609         (C_RID_CODE): Remove.
2610         * lex.c (cxx_init_options): Call set_identifier_size.  Update.
2611         (init_parse): Don't do it here.
2612 objc:
2613         * objc-act.c (objc_init_options): Call set_identifier_size. Update.
2614
2615 Sat May 19 18:23:04 2001  Richard Henderson <rth@redhat.com>
2616
2617         * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
2618         as ncessary.
2619         (expand_eh_return): Convert between word_mode and Pmode.
2620         * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
2621         are the same size.
2622         (execute_stack_op): Likewise.
2623         (execute_cfa_program): Likewise.
2624         (uw_frame_state_for): Likewise.
2625         (uw_update_context_1): Likewise.
2626         * unwind.inc (_Unwind_Reason_Code): Likewise.
2627         * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
2628         (EH_RETURN_STACKADJ_RTX): Likewise.
2629         * config/mips/mips.c (compute_frame_size): Make space for saving
2630         EH return registers.
2631         (mips_expand_epilogue): Handle EH stack adjustments.
2632         * config/mips/mips.md (eh_return): New pattern.
2633         (eh_set_lr_si): Likewise.
2634         (eh_set_lr_di): Likewise.
2635         Add splitter to perform EH return after reload.
2636
2637 2001-05-19  Mark Mitchell  <mark@codesourcery.com>
2638
2639         * jump.c (mark_jump_label): Tidy previous change.
2640
2641 2001-05-19  Bruce Korb  <bkorb@gnu.org>
2642
2643         * fixinc/genfixes: no need for two warnings
2644         * fixinc/Makefile.in: open stdin for those building with a closed one.
2645
2646 2001-05-19  Mark Mitchell  <mark@codesourcery.com>
2647
2648         * jump.c (jump_optimize_1): Tidy.
2649         (mark_jump_label): When changing the label in a LABEL_REF, change
2650         update any REG_EQUAL notes as well.
2651
2652 2001-05-19  Joseph S. Myers  <jsm28@cam.ac.uk>
2653
2654         * c-parse.in (parm_declarator): Split into
2655         parm_declarator_starttypename and parm_declarator_nostarttypename.
2656         (parm_declarator_starttypename, parm_declarator_nostarttypename):
2657         New.  Allow parenthesised sub-declarators which don't begin with a
2658         TYPENAME.  Fixes PR c/166.
2659
2660 2001-05-19  Mark Mitchell  <mark@codesourcery.com>
2661
2662         * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
2663         macro.
2664         * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2665         Document it.
2666         * toplev.c (main): If the target does not allow profiling without
2667         a frame pointer, issue an error message.
2668         * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2669         Define it to false.
2670
2671 Sat May 19 07:53:42 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2672
2673         * recog.c (general_operand): Modify last change to allow it if reload
2674         has completed.
2675
2676 Sat May 19 10:23:54 CEST 2001  Jan Hubicka  <jh@suse.cz>
2677
2678         * recog.c (general_operand): Prohibit nonzero subreg bytes on
2679         subregs containing mem.
2680
2681 Sat May 19 09:40:45 2001  Denis Chertykov  <denisc@overta.ru>
2682
2683         * regrename.c (regrename_optimize): frame pointer register can
2684         use a few hardregs.
2685
2686 2001-05-18  Jason Merrill  <jason_merrill@redhat.com>
2687
2688         * README.DWARF: Move into dwarfout.c.
2689
2690 2001-05-18  Dale Johannesen  <dalej@apple.com>
2691
2692         * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
2693         specific misuse of r0 as a reload address.
2694
2695 Fri May 18 22:42:04 CEST 2001  Jan Hubicka  <jh@suse.cz>
2696
2697         * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
2698         suceeded.
2699
2700 Fri May 18 07:26:34 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2701
2702         * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
2703         (add_to_sequence): Make that decision type.
2704         (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
2705         (write_switch, write_cond, debug_decision_2): Likewise.
2706
2707         * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
2708         for INTEGER_TYPE.
2709         (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
2710         variable size.
2711
2712 2001-05-18  Stan Shebs  <shebs@apple.com>
2713
2714         * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
2715         * configure: Regenerate.
2716
2717 2001-05-18  Per Bothner  <per@bothner.com>
2718
2719         Changes needed for java/jvspec.c
2720         * gcc.h (n_infiles, outfiles):  Add declarations.
2721         * gcc.c (n_infiles, outfiles):  Mske no longer static.
2722
2723 Fri May 18 10:14:42 2001  Jeffrey A Law  (law@cygnus.com)
2724
2725         * config/pa/som.h (EXCEPTION_SECTION): Define.
2726
2727 2001-05-18  Daniel Berlin  <dan@cgsoftware.com>
2728
2729         * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
2730         list.
2731         Add have_location_lists, a variable to determine whether we need a
2732         .debug_loc section or not.
2733         (enum dw_val_class): Add dw_val_class_loc_list.
2734         (dw_val_struct): Add val_loc_list.
2735         (dw_loc_list_struct): New structure, represents location lists.
2736         (new_loc_list): New function, return a new location list, given
2737         the range and location expression.
2738         (add_loc_descr_to_loc_list): New function, add a location
2739         expression to a location list, given the expression and range.
2740         (output_loc_list): New function, output a location list.
2741         (gen_internal_sym): Modified to take symbol prefix, so we can
2742         reuse it for location list symbols.
2743         (add_AT_loc_list): New function, add a location list to a DIE at
2744         the named attribute.
2745         (AT_loc_list): New function, return the location list reference
2746         for a given attribute, if it's a location list.
2747         (print_die): Handle dw_val_class_loc_list.
2748         (size_of_die): Ditto.
2749         (value_format): Ditto.
2750         (output_die): Ditto.
2751         (output_location_lists): New function, output all of the location
2752         lists for a DIE and it's children.
2753         (dwarf2out_finish): Call output_location_lists if we have location
2754         lists.
2755
2756
2757 Fri May 18 15:39:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
2758
2759         * gcse.c (try_replace_reg): First try global replace, later try to
2760         simplify the expression.
2761
2762         * gcse.c (find_used_regs): Change calling convention; work via
2763         note_uses.
2764         (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
2765
2766 2001-05-18  Bernd Schmidt  <bernds@redhat.com>
2767
2768         Revert
2769         2001-02-09  Nick Clifton  <nickc@redhat.com>
2770         * config/arm/arm.md: Change output constraint on post inc
2771         load/store multiple patterns to be a read/write constraint.
2772
2773 2001-05-18  Mark Mitchell  <mark@codesourcery.com>
2774
2775         * basic-block.h (struct basic_block_def): Add documentation about
2776         what a basic block is, and what the various fields are used for.
2777         * flow.c (calculate_globlal_regs_live): Add documentation about
2778         how the algorithm works, and how we know that it will terminate.
2779         Check that the the inductive assumption that guarantees
2780         termination actually holds.
2781         (mark_used_regs): Treat conditionally set registers as used.
2782         (debug_regset): Add comment.
2783         * rtl.texi (cond_exec): Add documentation.
2784
2785         * function.c (expand_function_start): Avoid creating BLKmode
2786         pseudos.
2787
2788 2001-05-17  Mark Mitchell  <mark@codesourcery.com>
2789
2790         * dwarf2out.c (output_comp_unit): Always output a compilation-unit
2791         DIE, even if it has no children.
2792         (dwarf2out_finish): Always output the line-number table, even if
2793         it has no content.
2794
2795 2001-05-18  David Edelsohn  <edelsohn@gnu.org>
2796
2797         * rs6000.md (movsfcc,movdfcc): Remove NE case.
2798
2799 2001-05-17  Bruce Korb <bkorb@gnu.org>
2800
2801         * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
2802         * fixinc/genfixes: emit a warning if AutoGen is out of date
2803
2804 2001-05-17  Brendan Conoboy <blc@cygnus.com>
2805             Bruce Korb <bkorb@gnu.org>
2806
2807         * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
2808         found in fixinc directory.  Facilitates binary distributions.
2809
2810 2001-05-17  Jeffrey Oldham  <oldham@codesourcery.com>
2811
2812         * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
2813         COMPLEX_TYPE.
2814
2815 Thu May 17 19:42:39 2001  Mark Kettenis  <kettenis@wins.uva.nl>
2816
2817         * dwarf2out.c (modified_type_die): Equate qualified type to die.
2818
2819 Thu May 17 23:19:46 CEST 2001  Jan Hubicka  <jh@suse.cz>
2820
2821         * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
2822         (simplify_subreg): Handle complex types represented as CONCAT.
2823
2824         * recog.c (validate_replace_rtx_1): Properly canonicalize expression
2825         * rtl.h (swap_commutative_operands_p): Declare.
2826         * rtlanal.c (swap_commutative_operands_p): New.
2827         (operand_preference): New static function.
2828
2829         * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
2830         (gen_binary): Likewise.
2831         * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
2832         * simplify-rtx.c (simplify_gen_binary,
2833         simplify_gen_relational): Likewise.
2834
2835 Thu May 17 20:43:36 CEST 2001  Jan Hubicka  <jh@suse.cz>
2836
2837         * cse.c (fold_rtx): Use simplify_subreg.
2838
2839         * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
2840         (simplify_gen_subreg): New.
2841         (simplify_rtx): Use simplify_subreg.
2842         * rtl.h (simplify_gen_subreg): Declare.
2843
2844 2001-05-17  Mark Mitchell  <mark@codesourcery.com>
2845
2846         * doc/install.texi: Update Solaris information.
2847
2848         * except.h (protect_cleanup_actions): Remove it.
2849         (lang_protect_cleanup_actions): Declare it.
2850         * except.c (protect_cleanup_actions): Remove it.
2851         (lang_protect_cleanup_actions): New variable.
2852         (init_eh): Don't make protect_cleanup_actions a GC root.
2853         (expand_eh_region_and_cleanup): Call
2854         lang_protect_cleanup_actions.
2855         (output_function_exception_table): Remove unused `align'
2856         variable.
2857         * varasm.c (assemble_external): Abort if we have not yet
2858         opened the assembly output file.
2859
2860 Thu May 17 11:54:50 2001  Jeffrey A Law  (law@cygnus.com)
2861
2862         * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
2863         for eh_personality_libfunc.
2864
2865 Thu May 17 19:48:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
2866
2867         * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
2868         when calling simplify_subreg.  This is needed to allow replacing
2869         of expression of one mode by expression of different mode.
2870
2871 Thu May 17 19:40:03 CEST 2001  Jan Hubicka  <jh@suse.cz>
2872
2873         * simplify-rtx.c  (simplify_subreg): Avoid creating of incorrect subregs.
2874
2875 2001-05-17  Bernd Schmidt  <bernds@redhat.com>
2876
2877         * expr.c (protect_from_queue): Protect against subsequent calls to
2878         emit_queue.
2879         (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
2880         too clever.
2881
2882 Thu May 17 18:17:34 CEST 2001  Jan Hubicka  <jh@suse.cz>
2883
2884         * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
2885
2886 2001-05-17  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
2887
2888         * gccbug.in (CATEGORIES): Add "bootstrap".
2889
2890 Thu May 17 16:59:41 CEST 2001  Jan Hubicka  <jh@suse.cz>
2891
2892         * simplify-rtx.c (simplify_subreg): Break out from ...
2893         * combine.c (combine_splify_rtx) ... here and ...
2894         * recog.c (validate_replace_rtx_1): ... here;
2895         * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
2896         * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
2897         (subreg_lowpart_p): ... here.
2898
2899 2001-05-17  Bernd Schmidt  <bernds@redhat.com>
2900
2901         * stmt.c (expand_asm_operands): For inout operands, make sure
2902         the substitution of '=' for '+' makes it into the rtl.
2903
2904         * reload1.c (delete_output_reload): Call eliminate_regs on substed.
2905         (reload_as_needed): Call update_eliminable_offsets a bit later.
2906
2907 2001-05-17  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
2908
2909         * gcc.texi (gccbug): Refer to the web pages for detailed information
2910         on GNATS.
2911
2912 2001-05-16  Zack Weinberg  <zackw@stanford.edu>
2913
2914         * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
2915
2916         * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
2917         OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
2918         LIB1FUNCS, and LIB1FUNCS_EXTRA.  Delete rules: libgcc1-test,
2919         libgcc1-test.o.  Clarify commentary now that libgcc1 no longer exists.
2920         * cross-make: Don't set LIBGCC1.
2921         * mklibgcc.in: Delete all code for building from libgcc1.c.
2922         Always honor LIB1ASMFUNCS if set.
2923
2924         * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
2925         config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
2926         config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
2927         config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
2928         config/i386/uwin.asm, config/m68hc11/larith.asm,
2929         config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
2930         config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
2931         config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
2932         config/v850/lib1funcs.asm, config/c4x/libgcc.S:
2933         Delete or update references to libgcc1 in commentary.
2934
2935         * config/t-libc-ok, config/t-linux, config/t-linux-aout,
2936         config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
2937         config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
2938         config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
2939         config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
2940         config/arm/t-semi, config/arm/t-strongarm-coff,
2941         config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
2942         config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
2943         config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
2944         config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
2945         config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
2946         config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
2947         config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
2948         config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
2949         config/m68k/t-m68kbare, config/m68k/t-m68kelf,
2950         config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
2951         config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
2952         config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
2953         config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
2954         config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
2955         config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
2956         config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
2957         config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
2958         config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
2959         config/mips/t-ultrix, config/mn10200/t-mn10200,
2960         config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
2961         config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
2962         config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
2963         config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
2964         config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
2965         config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
2966         config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
2967         config/sparc/t-sparclite, config/sparc/t-splet,
2968         config/sparc/t-sunos41, config/sparc/t-vxsparc,
2969         config/sparc/t-vxsparc64, config/v850/t-v850:
2970         Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
2971
2972         * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
2973         Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
2974         * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
2975         FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
2976         nongcc_SI_type, nongcc_word_type, or perform_*
2977         * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
2978
2979         * config/i386/386bsd.h, config/i386/beos-elf.h,
2980         config/i386/linux-aout.h, config/i386/linux-oldld.h,
2981         config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
2982         config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
2983         Don't include i386/perform.h.
2984
2985         * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
2986         config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
2987         config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
2988         config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
2989         config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
2990         config/vax/t-openbsd, config/vax/t-vax: Delete.
2991
2992         * config.gcc: Remove references to deleted files.
2993         (arm-semi-aof): Use arm/t-semi for tmake_file.
2994
2995         * gcc.texi, install.texi, invoke.texi, tm.texi:
2996         Delete or rewrite text which is no longer relevant now that
2997         libgcc1 no longer exists.
2998
2999         * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
3000         No need to set INSTALL_ASSERT_H.  (Missed in previous sweep.)
3001
3002 2001-05-16  Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
3003         Bruce Korb <bkorb@gnu.org>
3004
3005         * fixinc/inclhack.def(solaris27_mutex_init):  Fix broken mutex
3006         initializer
3007
3008 2001-05-16  Zack Weinberg  <zackw@stanford.edu>
3009
3010         * i386.md: Add two peepholes to clean up code generated by
3011         cmpstr* expanders.
3012
3013 2001-05-16  Richard Henderson  <rth@redhat.com>
3014
3015         * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
3016         variants of non-absolute encodings.
3017
3018         * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3019
3020         * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
3021         __register_frame_info_table_bases): Export.
3022
3023 2001-05-16  Richard Henderson  <rth@redhat.com>
3024
3025         * except.c (eh_data_format_name): Move to ...
3026         * dwarf2asm.c: ... here.  Use designated initializers if available.
3027         (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
3028         * dwarf2asm.h: Update declarations.
3029         * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
3030         ASM_PREFERRED_EH_DATA_FORMAT.
3031         (output_call_frame_info): Likewise.  Use 'L' augmentation for
3032         the LSDA encoding.
3033
3034         * unwind-dw2-fde.h (struct fde_vector): New.
3035         (struct old_object): Rename from struct object.
3036         (struct object): New.
3037         (__register_frame_info_bases): Declare.
3038         (__register_frame_info_table_bases): Declare.
3039         (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
3040         * unwind-dw2-fde.c (objects): Remove.
3041         (unseen_objects, seen_objects): New.
3042         (__register_frame_info_bases): New.
3043         (__register_frame_info): Use it.
3044         (__register_frame_info_table_bases): New.
3045         (__register_frame_info_table): Use it.
3046         (__deregister_frame_info): Rewrite for changed object struct.
3047         (base_from_object, get_cie_encoding, get_fde_encoding): New.
3048         (fde_unencoded_compare): Rename from fde_compare; uninline.
3049         (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
3050         (start_fde_sort): Adjust for new definition of fde_vector.
3051         (fde_insert): Likewise.
3052         (end_fde_sort): Likewise.  Select comparison function based
3053         on properties of the object.
3054         (fde_split): Take object and fde_compare_t arguments.
3055         (frame_heapsort, fde_merge): Likewise.
3056         (classify_object_over_fdes): Rename from count_fdes.  Handle
3057         encoded pointers.  Collect encoding, mixed_encoding, and pc_begin
3058         for the object.
3059         (add_fdes): Handle encoded pointers.
3060         (init_object): Rename from frame_init.  Update for new struct object.
3061         (linear_search_fdes): Rename from search_fdes.  Handle encoded
3062         pointers.
3063         (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
3064         (binary_search_single_encoding_fdes): New.
3065         (binary_search_mixed_encoding_fdes): New.
3066         (search_object): New.
3067         (_Unwind_Find_FDE): Update for new struct object.  Fill in
3068         the dwarf_eh_bases.
3069         * unwind-dw2.c: Include unwind-pe.h.  Constify all pointers
3070         iterating over EH data.
3071         (_Unwind_FrameState): Remove saw_lsda, addr_encoding.  Add
3072         fde_encoding, lsda_encoding.
3073         (read_uleb128, read_sleb128): Remove.
3074         (read_encoded_pointer): Remove.  All callers use read_encoded_value.
3075         (extract_cie_info): Set lsda_encoding from 'L' augmentation.
3076         (uw_frame_state_for): Don't set bases.func.  Handle encoded fde
3077         pointers.
3078         * unwind-pe.h: Add "struct" to _Unwind_Context references.
3079
3080 2001-05-16  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
3081
3082         * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
3083         * cpphash.c (_cpp_lookup_with_hash): Similarly.
3084         * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
3085         cpp_spell_token, cpp_output_token): Similarly.
3086         * cpplib.c (lex_macro_node, do_undef, do_pragma,
3087         do_pragma_poison, parse_assertion, do_assert): Similarly.
3088         * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
3089         save_parameter, _cpp_create_definition, check_trad_stringification,
3090         cpp_macro_definition): Similarly.
3091         * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
3092         * c-lex.c (cb_undef, c_lex): Similarly.
3093         * fix-header.c (recognized_function): Similarly.
3094         * cpplib.h (NODE_LEN, NODE_NAME): New.
3095         (cpp_hashnode): Rename length len.
3096
3097 Wed May 16 13:41:10 2001  Jeffrey A Law  (law@cygnus.com)
3098
3099         * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
3100         GPRs.
3101
3102 2001-05-16  Andreas Jaeger  <aj@suse.de>
3103
3104         * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
3105
3106         * toplev.c: Include dwarf2asm.h for prototype of
3107         dw2_output_indirect_constants.
3108
3109 Wed May 16 19:53:53 CEST 2001  Jan Hubicka  <jh@suse.cz>
3110
3111         * stmt.c (expand_asm_operands): Be able to offload addressof
3112         expression to memory. (PR optimization/185)
3113
3114 Wed May 16 18:53:23 CEST 2001  Jan Hubicka  <jh@suse.cz>
3115
3116         * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
3117         applying distributive law.
3118
3119 2001-05-16  John David Anglin  <dave@hiauly1.hia.nrc.ca>
3120
3121         * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
3122
3123         * gthr-dce.h (UNUSED): Attribute unused macro.
3124         (__gthread_key_dtor): Make arguments UNUSED.
3125         (__gthread_key_delete): Revise for compatibility with DRAFT4
3126         implementation.
3127
3128 2001-05-16  David Edelsohn  <edelsohn@gnu.org>
3129
3130         * doc/install.texi: Update AIX information.
3131         * README.RS6000: Remove obsolete file.
3132
3133 2001-05-16  Jakub Jelinek  <jakub@redhat.com>
3134             Nathan Sidwell  <nathan@codesourcery.com>
3135
3136         * gcc.c (give_switch): Don't write before start of string.
3137         Always append suffix.
3138
3139 2001-05-16  Nathan Sidwell  <nathan@codesourcery.com>
3140
3141         * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
3142         after stage3.
3143
3144 2001-05-16  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
3145
3146         * README.ALTOS: Remove obsolete file.
3147
3148 2001-05-16  Neil Booth  <neil@daikokuya.demon.co.uk>
3149
3150         * c-lex.h (save_and_forget_protocol_qualifiers,
3151         forget_protocol_qualifiers, remember_protocol_qualifiers):
3152         Remove deleted functions' prototypes.
3153
3154 2001-05-16  Neil Booth  <neil@daikokuya.demon.co.uk>
3155
3156         * c-parse.in (methodtype): New production.
3157         (methoddef, methodproto): Collapse separate '-' and '+'
3158         handlers into 1.
3159
3160 2001-05-16  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
3161
3162         * c-common.h (RID_FIRST_PQ): New.
3163         * c-parse.in (objc_pq_context): New.
3164         (objc parser): Set objc_pq_context rather than calling
3165         remember_protocol_qualifiers and forget_protocol_qualifiers.
3166         Don't call save_and_forget_protocol_qualifiers.
3167         (yylexname): Handle objc protocol qualifiers here.
3168         * stringpool.c (struct str_header): Replace with sp_hashnode.
3169         (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
3170         (alloc_string): Rename alloc_ident.  Use the SP_ accessors.
3171         Allocate an IDENTIFIER_NODE for each identifier.
3172         (FORALL_STRINGS, set_identifier): Delete.
3173         (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
3174         (ggc_alloc_string): Use an obstack.
3175         (get_identifier, maybe_get_identifier, mark_string_hash): Update.
3176         * tree.h: Update comments.
3177         (set_identifier): Delete.
3178         * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
3179         save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
3180         remember_protocol_qualifiers): Delete.
3181
3182 Tue May 15 22:14:09 2001  Jeffrey A Law  (law@cygnus.com)
3183
3184         * flow.c (life_analysis): After life analysis is complete, do
3185         an optional scan over insns looking for REG_LABEL notes that
3186         reference a deleted label.
3187         (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
3188         before peeking at LABEL_NUSES.
3189
3190 2001-05-15  Richard Henderson  <rth@redhat.com>
3191
3192         * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
3193         (_Unwind_GetTextRelBase): New.
3194
3195 2001-05-15  Mark Mitchell  <mark@codesourcery.com>
3196
3197         * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
3198
3199 2001-05-15  Geoffrey Keating  <geoffk@redhat.com>
3200
3201         * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
3202         so that CHOOSE_SECTION gets used.
3203
3204         * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
3205         TARGET_RELOCATABLE like flag_pic for now.
3206
3207 2001-05-15  David Edelsohn  <edelsohn@gnu.org>
3208
3209         * rs6000.md (movdi splitter): Sign extend more efficiently.
3210         * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
3211         to "long long" valid on 32-bit and 64-bit hosts.
3212         (logical_operand): Cast trunc_int_for_mode return value.
3213         (rs6000_emit_move): Shift macro to encapsulate variable.
3214         (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
3215         (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
3216         plus_constant requires signed argument.
3217
3218 2001-05-15  Loren J. Rittle  <ljrittle@acm.org>
3219
3220         * gthr-posix.h: Make additional pthread-* functions weak.
3221
3222 Tue May 15 13:51:32 CEST 2001  Jan Hubicka  <jh@suse.cz>
3223
3224         * recog.c (apply_change_group): Avoid unneeded validating.
3225
3226 2001-05-14  David Edelsohn  <edelsohn@gnu.org>
3227
3228         * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
3229         (num_insns_constant): CONST_INT can be 64-bits.
3230
3231 2001-05-14  Stan Shebs  <shebs@apple.com>
3232
3233         * config/darwin.h (LIB_SPEC): Just use -lSystem.
3234         (LIBGCC_SPEC): Don't define.
3235
3236 2001-05-14  Richard Henderson  <rth@redhat.com>
3237
3238         * configure.in (gcc_cv_as_eh_frame): New test.
3239         * config.in, configure: Rebuild.
3240         * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
3241
3242 2001-05-14  Andrew MacLeod  <amacleod@redhat.com>
3243
3244         * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
3245         extended precision divide.
3246
3247 2001-05-14  Andrew MacLeod  <amacleod@redhat.com>
3248
3249         * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
3250         for RETURNS as well.
3251
3252 Mon May 14 17:34:48 CEST 2001  Jan Hubicka  <jh@suse.cz>
3253
3254         * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
3255         (CPP_CPU??_SIZE_TYPE): New.
3256         (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
3257         (CPP_CPU_SPEC): ... here; support choosing of CPU.
3258         (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
3259         (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
3260         compiler.
3261         * i386.c (override_options): Add sorry about not suported modes.
3262
3263 Mon May 14 08:56:47 2001  Jeffrey A Law  (law@cygnus.com)
3264
3265         * config/pa/som.h (NM_FLAGS): Remove.
3266         (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
3267         (ASM_OUTPUT_SECTION_NAME): Remove.
3268         (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
3269
3270 2001-05-14  Mark Mitchell  <mark@codesourcery.com>
3271
3272         * regrename.c (regrename_optimize): Do not rename registers to
3273         leaf registers.
3274
3275 2001-05-14  Alexandre Oliva  <aoliva@redhat.com>
3276
3277         * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
3278         contain MEMs.  Remove useless distinction about clobbering
3279         registers.
3280
3281 2001-05-13  Geoff Keating  <geoffk@redhat.com>
3282
3283         * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
3284         * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
3285         * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
3286         (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3287         (EXCEPTION_SECTION): Define.
3288
3289 2001-05-13  Zack Weinberg  <zackw@stanford.edu>
3290
3291         * libgcc2.c, libgcc2.h: Restore __eprintf.  Label as used for
3292         binary backward compat only.
3293         * Makefile.in (LIB2FUNCS_ST): New.  Put _eprintf here, not
3294         in LIB2FUNCS.  Pass it to mklibgcc.
3295         * mklibgcc.in: Handle LIB2FUNCS_ST.
3296
3297         * Makefile.in (installdirs): Don't create $(gcc_tooldir).
3298
3299 2001-05-13  Alexandre Oliva  <aoliva@redhat.com>
3300
3301         * tm.texi (THREAD_MODEL_SPEC): Document it.
3302         * gcc.c (main): Use it.
3303         * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
3304         * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
3305
3306 2001-05-13  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
3307
3308         * rtl.h (SYMBOL_REF_WEAK): New macro.
3309         * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
3310         * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
3311         * rtl.texi (SYMBOL_REF_WEAK): Document it.
3312         * gcc.texi: Remove wrong description.
3313
3314 2001-05-13  Mark Mitchell  <mark@codesourcery.com>
3315
3316         * Makefile.in (STAMP): New macro.
3317         Replace all uses of `touch' with $(STAMP).
3318         * fixinc/Makefile.in: Likewise.
3319
3320 Sun May 13 07:26:34 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3321
3322         * configure.in: ldopen is never in -lexc, so don't test for it.
3323         Add test for exc_resume in -lexc for Ada.
3324         * configure: Regenerated.
3325
3326 2001-05-12  Richard Henderson  <rth@redhat.com>
3327
3328         * dwarf2asm.c (size_of_encoded_value): New function.
3329         * dwarf2asm.h: Declare it.
3330         * except.c (output_function_exception_table): Align the TType
3331         array only as wide as the encoding.
3332
3333 2001-05-12  Zack Weinberg  <zackw@stanford.edu>
3334
3335         * extend.texi: Document #pragma GCC java_exceptions.
3336
3337 2001-05-12  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
3338
3339         * c-parse.in (bison parser, init_reswords): Remove uses of
3340         doing_objc_thang.
3341         * c-tree.h (doing_objc_thang): Remove.
3342
3343 2001-05-12  Neil Booth  <neil@daikokuya.demon.co.uk>
3344
3345         * cpplex.c (_cpp_lex_token): Ensure we warn at most once
3346         about files not ending in newlines.
3347
3348 2001-05-12  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
3349
3350         * dwarfout.c (dwarfout_init): Add cast.
3351         * sched-deps.c (sched_analyze_insn): Remove unused vars.
3352         * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
3353 cp:
3354         * method.c (build_mangled_C99_name): Remove unused prototype.
3355
3356 2001-05-12  Alexandre Oliva  <aoliva@redhat.com>
3357
3358         * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
3359
3360 2001-05-12  Alexandre Oliva  <aoliva@redhat.com>
3361
3362         * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
3363         * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
3364
3365 2001-05-11  Richard Henderson  <rth@redhat.com>
3366
3367         * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3368         * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
3369         dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
3370         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
3371         (dw2_output_indirect_constants): Prototype.
3372         * dwarf2out.c (dwarf2out_begin_prologue): Generate
3373         current_function_func_begin_label if we'll need it for EH.  Exit
3374         early for IA64_UNWIND_INFO.
3375         * except.c: Get DW_EH_PE_* defines from dwarf2.h.
3376         (eh_data_format_name): Update for indirect references.
3377         (output_function_exception_table): Care for IA64_UNWIND_INFO.
3378         Handle ASM_PREFERRED_EH_DATA_FORMAT.
3379         * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
3380         define HAVE_eh_return etc.
3381         * final.c (final_start_function): Always call dwarf2out_begin_prologue.
3382         (final_end_function): Don't call output_function_exception_table.
3383         * toplev.c (compile_file): Call dw2_output_indirect_constants.
3384         (rest_of_compilation): Invoke output_function_exception_table
3385         for ia64 before assemble_end_function.
3386         * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
3387         (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
3388
3389         * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
3390         * unwind.h: Declare them.
3391         * libgcc-std.ver: Export them.
3392         * unwind-pe.h: New file.
3393
3394         * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3395
3396         * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
3397         instead of "fde".
3398         (find_fde_for_dso): Extract DT_PLTGOT.
3399         (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
3400         the segment and gp as well.
3401         * config/ia64/frame-ia64.c: Remove file.
3402         * config/ia64/frame-ia64.h: Remove file.
3403         * config/ia64/unwind-ia64.c: New file.
3404         * config/ia64/unwind-ia64.h: New file.
3405         * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
3406         (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
3407         (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
3408         (ASM_PREFERRED_EH_DATA_FORMAT): New.
3409         (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
3410         (IA64_UNWIND_INFO): Re-enable.
3411         (HANDLER_SECTION): Remove.
3412         (EH_RETURN_DATA_REGNO): New.
3413         * config/ia64/ia64.md (exception_receiver): Remove.
3414         * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
3415         * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
3416
3417 2001-05-11  Richard Henderson  <rth@redhat.com>
3418
3419         * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
3420         calls and jumps to be bundled together.
3421         (ia64_reorg): Emit a break after a noreturn call that ends
3422         a function.
3423         * config/ia64/ia64.md (break_f): New.
3424
3425 2001-05-12  Neil Booth  <neil@daikokuya.demon.co.uk>
3426
3427         * c-lex.c (lex_charconst): Convert into a simple wrapper
3428         around cpp_interpret_charconst, to which most of the code
3429         body is moved.
3430         * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
3431         MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
3432         MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
3433         (lex): Use cpp_interpret_charconst.
3434         * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
3435         hex_digit_value): New functions.
3436         (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
3437         * cpplib.h (cpp_interpret_charconst): New prototype.
3438         * Makefile.in: Update.
3439
3440 2001-05-12  Dean Wakerley  <dean@wakerley.com>
3441
3442         * doc/install.texi: New file. Converted to texinfo from the HTML
3443         documentation in wwwdocs/htdocs/install.
3444
3445 Fri May 11 15:50:13 2001  Jeffrey A Law  (law@cygnus.com)
3446
3447         * gcse.c (insert_insn_end_bb): Do not search for assignments to
3448         non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3449
3450         * toplev.c (compile_file): Move comment for opening output
3451         file to just before the code that opens the output file.
3452
3453 2001-05-11  Jakub Jelinek  <jakub@redhat.com>
3454
3455         * regmove.c (regmove_optimize): Suppress the optimization for
3456         unchanging destination register.  Add comment above function.
3457
3458 2001-05-11  Zack Weinberg  <zackw@stanford.edu>
3459
3460         * Makefile.in: Exterminate all references to assert.h.
3461         * cross-make: Likewise.
3462         * assert.h: Delete.
3463         * configure.in: Correct commentary.
3464         * configure: Regenerate.
3465
3466         * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
3467         Remove __eprintf.
3468
3469         * config/t-freebsd, config/t-linux, config/t-linux-aout,
3470         config/t-netbsd, config/t-rtems, config/x-linux,
3471         config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
3472         No need to override INSTALL_ASSERT_H.
3473
3474         * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
3475         fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
3476         fixinc/fixincl.sh: Don't install assert.h into objdir/include.
3477
3478 2001-05-11  Graham Stott  <grahams@redhat.com>
3479
3480         * combine.c (simplify_comparison): Fix typo.
3481
3482 2001-05-11  Mark Mitchell  <mark@codesourcery.com>
3483
3484         * loop.h (struct movables): Remove `num'.
3485         * loop.c (scan_loop): Don't set it.  Use count_insns_in_loop.
3486         Adjust call to strength_reduce.
3487         (num_unmoved_movables): New function.
3488         (move_movables): Don't set movables->num.
3489         (strength_reduce): Compute the number of instructions in the loop
3490         here, rather than in the caller.
3491         (check_dbra_loop): Always clear reversible_mem_store if there
3492         are any memory sets.
3493         (loop_regs_scan): Don't count instructions here.
3494         (count_insn_in_loop): New function.
3495
3496 2001-05-11  Mark Mitchell  <mark@codesourcery.com>
3497
3498         * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
3499
3500 2001-05-11  Neil Booth  <neil@daikokuya.demon.co.uk>
3501
3502         * c-common.c (finish_label_expr): New function, lifted from
3503         from cp/semantics.c.
3504         * c-common.h (finish_label_expr, lookup_label): New prototypes.
3505         * c-parse.in: Move 3 blocks of parser code into new functions.
3506         * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
3507         * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
3508         (lookup_label): Remove.
3509
3510 2001-05-11  Alexandre Oliva  <aoliva@redhat.com>
3511
3512         * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
3513         FLOAT_BIT_ORDER_MISMATCH.
3514
3515 2001-05-10  David Edelsohn  <edelsohn@gnu.org>
3516
3517         * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
3518         bytes.  Reported by Kazu Hirata <kazu@hxi.com>.
3519
3520 2001-05-10  David Edelsohn  <edelsohn@gnu.org>
3521
3522         * expr.c (emit_group_load): extract_bit_field requires a REG or
3523         MEM as an argument.
3524
3525 Thu May 10 14:45:44 2001  Jeffrey A Law  (law@cygnus.com)
3526
3527         * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
3528         a computed jump into an unconditional jump.
3529         In second hunk of code for collapsing computed and conditional jumps
3530         into unconditional jumps, reemit the jump in additional cases.
3531
3532         * jump.c (jump_optimize_1): Do not wrap the new jump target
3533         inside a LABEL_REF; gen_jump will do that automatically.
3534
3535 2001-05-10  Toon Moene  <toon@moene.indiv.nluug.nl>
3536
3537         * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
3538         contents for a SYMBOL_REF in case of floating point constants.
3539
3540 2001-05-10  DJ Delorie  <dj@redhat.com>
3541
3542         * c-common.c (combine_strings): Widen strings in a
3543         host-endian-independent way.
3544
3545 2001-05-10  Joseph S. Myers  <jsm28@cam.ac.uk>
3546
3547         * c-parse.in: Remove many shift/reduce conflicts.  Update
3548         %expect values.
3549         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
3550         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
3551         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
3552         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
3553         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
3554         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
3555         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
3556         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
3557         declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
3558         declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
3559         maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
3560         typespec_reserved_nonattr, typespec_reserved_attr,
3561         typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
3562         structsp_nonattr, components_notype, component_notype_declarator,
3563         absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
3564         firstparm, setspecs_fp): New
3565         (typed_declspecs, reserved_declspecs, typed_typespecs,
3566         reserved_typespecquals, declmods, typespec, typespecqual_reserved,
3567         typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
3568         declmods_no_prefix_attr, nonempty_type_quals, structsp,
3569         type_quals): Remove.  Users updated.
3570         (initdecls, notype_initdecls, after_type_declarator,
3571         parm_declarator, notype_declarator, absdcl1, components, ivars):
3572         Don't allow attributes at the start of a declarator; include them
3573         in the production containing the declarator instead.  Always
3574         require type specifiers before trying to redeclare a typedef name.
3575         (typename): Allow for attributes but warn that they are ignored.
3576         (parmlist, firstparm, setspecs_fp): Include attributes in
3577         parmlist; suck them off the parser stack in firstparm using
3578         setspecs_fp.
3579
3580 Thu May 10 09:17:42 2001  Jeffrey A Law  (law@cygnus.com)
3581
3582         * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
3583         to determine if a block has an unconditional jump at its end.
3584
3585         * jump.c (jump_optimize_1): When converting a conditional jump
3586         to an unconditional jump, build the jump using gen_jump instead
3587         of just modify operands in-place.
3588
3589 2001-05-09  Zack Weinberg  <zackw@stanford.edu>
3590
3591         * cppinit.c (cpp_post_options): Shut off macro expansion if
3592         -fpreprocessed.
3593         * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
3594         IN_I directives only if the # is in column 1 and the directive
3595         name begins in column 2.
3596         * cppmain.c (scan_buffer): Insert a space between # and an
3597         identifier, when that identifier is a directive name.
3598
3599         * tradcpp.c (struct file_buf): Add a pointer to the next entry
3600         in the header search path.
3601         (enum node_type): Add T_INCLUDE_NEXT.
3602         (directive_table): Add entry for include_next.
3603         (do_include_next): New function.
3604         (process_include): New routine, broken out of do_include.
3605         (finclude): Insert 'nhd' argument, to be copied into
3606         next_header_dir of the new buffer.
3607         (main): Adjust to match.
3608         * gsyslimits.h, limity.h: Un-indent #include_next.
3609
3610 2001-05-09  Joseph S. Myers  <jsm28@cam.ac.uk>
3611
3612         * objc.texi: Move from ../libobjc/objc-features.texi.  Adjust for
3613         inclusion as a chapter of the GCC manual.
3614         * gcc.texi: Include objc.texi.
3615         * fdl.texi: Use @unnumberedsec for the addendum.
3616         * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
3617
3618 Wed May  9 16:01:41 CEST 2001  Jan Hubicka  <jh@suse.cz>
3619
3620         * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
3621
3622 Wed May  9 10:40:25 2001  Alexandre Oliva  <aoliva@redhat.com>
3623
3624         * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
3625         handling of two-address insns.
3626
3627 Wed May  9 10:36:18 2001  Alexandre Oliva  <aoliva@redhat.com>
3628
3629         * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
3630         ../binutils/nm-new instead of ../binutils/nm.
3631
3632 Wed May  9 12:15:46 CEST 2001  Jan Hubicka  <jh@suse.cz>
3633
3634         * i386.md (movdi splitter): Fix the splitting condition
3635         (float_extenddftf splitter): Fix mode.
3636
3637 Wed May  9 12:05:39 CEST 2001  Jan Hubicka  <jh@suse.cz>
3638
3639         * genrecog.c (write_switch): Avoid outputting of switch for
3640         types wider than int.
3641
3642 2001-05-03  Andrew Haley  <aph@cambridge.redhat.com>
3643
3644         * reload1.c (copy_eh_notes): New function.
3645         (emit_input_reload_insns): Call it.
3646         (emit_output_reload_insns): Call it.
3647
3648 2001-05-07  Zack Weinberg  <zackw@stanford.edu>
3649
3650         * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
3651         Delete stanzas.
3652         * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
3653         config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
3654
3655         * optabs.c: Delete #ifdef BROKEN_LDEXP block.
3656
3657 2001-05-07  John David Anglin  <dave@hiauly1.hia.nrc.ca>
3658
3659         * pa.md (interspace_jump): Revise comment.
3660         (builtin_longjmp): Block initial setup insns from delay slot of
3661         interspace branch.
3662         (builtin_setjmp_receiver): New expander to save and restore PIC
3663         register.
3664
3665         * som.h (NM_FLAGS): Remove `-n' sort option.  Revise comment.
3666
3667 Mon May  7 09:30:14 2001  Jeffrey A Law  (law@cygnus.com)
3668
3669         * toplev.c (compile_file): Set up the output file before we call
3670         the various initializers for the compiler.
3671
3672         * except.c (sjlj_mark_call_sites): Do not search for assignments to
3673         non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3674
3675         * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
3676         * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
3677
3678 2001-05-06  Zack Weinberg  <zackw@stanford.edu>
3679
3680         * Makefile.in (tradcpp0): Correct typo in dependency list.
3681
3682 2001-05-06  Geoff Keating  <geoffk@redhat.com>
3683
3684         * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
3685         the link register if we're not going to use it.
3686
3687         * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
3688         (output_function_profiler): Likewise.
3689
3690 2001-05-07  Alan Modra  <amodra@one.net.au>
3691
3692         * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
3693
3694 2001-05-06  Alexandre Oliva  <aoliva@redhat.com>
3695
3696         * unroll.c (loop_iterations): Don't sign-extend abs_diff;
3697         zero-extend it.  Make abs_inc unsigned.
3698
3699         * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
3700         widest mode in narrowing and widening operations.
3701
3702         * config/mips/mips.md: Sign extend CONST_INTs.
3703
3704 2001-05-06  Andreas Jaeger  <aj@suse.de>
3705
3706         * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
3707         (i386 Options): Document -momit-leaf-frame-pointer.
3708
3709 2001-05-06  Neil Booth  <neil@daikokuya.demon.co.uk>
3710
3711         * c-typeck.c (internal_build_compound_expr): Check for
3712         array to pointer conversion just once.
3713
3714 2001-05-05  Richard Henderson  <rth@redhat.com>
3715
3716         * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
3717
3718 2001-05-05  Richard Henderson  <rth@redhat.com>
3719
3720         * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
3721         to the parent of the fixup region.
3722
3723 2001-05-05  Jakub Jelinek  <jakub@redhat.com>
3724
3725         * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
3726         "inline" keyword.
3727         * cpp.texi (__NO_INLINE): Document it.
3728
3729 2001-05-05  Neil Booth  <neil@daikokuya.demon.co.uk>
3730
3731         * cppfiles.c (struct include_file): New member err_no.
3732         (find_or_create_entry): Set it.
3733         (open_file): Don't set fds to -2.  Instead, use err_no to
3734         remember previous errors, if any.
3735
3736 2001-05-05  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3737
3738         * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
3739         between X and Y by using sequences of xgdx and xgdy.
3740
3741 2001-05-05  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3742
3743         * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
3744         of '!' for the 'D' alternative ('!' is too strong).
3745         ("*logicalsi3_silshl16"): Likewise.
3746         ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
3747         ("movstrictsi"): Remove spurious '+'.
3748         ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
3749         ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
3750         ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
3751         a reload to them.
3752
3753 2001-05-04  David Edelsohn  <edelsohn@gnu.org>
3754
3755         * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
3756
3757 2001-05-04  Lars Brinkhoff  <lars@nocrew.org>
3758
3759         * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
3760         into -a.
3761
3762 2001-05-04  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
3763
3764         * config/rs6000/rs6000.md (ashldi3 splits): Guard with
3765         TARGET_POWERPC64.
3766
3767 2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3768
3769         * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
3770         soft register, use ror instead of rol.
3771
3772 2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3773
3774         * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
3775         into account pre/post increment decrement for 68HC12.
3776         Fix other problems in replacement and fix call to reg_mentioned_p.
3777
3778 2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3779
3780         * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
3781         Put the soft registers in bss for 68HC12.
3782         (L_regs_d3_4): New for _.d3 and _.d4.
3783         (L_regs_d5_6): Likewise.
3784         (L_regs_d1_2): Likewise.
3785         * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
3786
3787 2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3788
3789         * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
3790         to the pre-processor when -fshort-double is specified.
3791         * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
3792
3793 2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3794
3795         * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
3796         (__mulsi3): Rewrite for 68HC12.
3797         * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
3798         Mark 'x' constraint with earlyclobber to prevent a
3799         RELOAD_FOR_OTHER_ADDRESS to go in it.
3800         (mulhi3_m68hc12): New pattern.
3801         (mulhi3_m68hc11): Rename of mulhi3.
3802         (mulhi3): New expand for 68HC12 optimisation.
3803         (umulhisi3, mulhisi3): New patterns for 68HC12.
3804
3805 2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3806
3807         * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
3808         (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
3809         (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
3810
3811 2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3812
3813         * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
3814         constants cheap after reload.
3815         * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
3816         are cheap.
3817         (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
3818         so that gcc prefers a shift by 16.
3819         (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
3820
3821 2001-05-04  Nick Clifton  <nickc@cambridge.redhat.com>
3822
3823         * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
3824
3825 2001-05-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3826
3827         * alpha.h: NULL_PTR -> NULL.
3828         * arm.c: Likewise.
3829         * arm.h: Likewise.
3830         * avr.h: Likewise.
3831         * c4x.c: Likewise.
3832         * c4x.h: Likewise.
3833         * i386.c: Likewise.
3834         * i386.md: Likewise.
3835         * i860.c: Likewise.
3836         * ia64.c: Likewise.
3837         * m68hc11.h: Likewise.
3838         * rs6000.h: Likewise.
3839         * sh.c: Likewise.
3840         * sh.h: Likewise.
3841         * sparc.h: Likewise.
3842         * v850.c: Likewise.
3843
3844         * expr.c: Likewise.
3845         * final.c: Likewise.
3846         * gcc.c: Likewise.
3847         * recog.c: Likewise.
3848
3849 2001-05-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3850
3851         * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
3852         `bool' parameter to `int'.
3853
3854         * hash.c (hash_lookup): Likewise.
3855
3856         * hash.h (hash_lookup): Likewise.
3857
3858         * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
3859
3860 Fri May  4 13:10:03 CEST 2001  Jan Hubicka  <jh@suse.cz>
3861
3862         * i386.c (x86_initialize_trampoline): Fix mode of constant.
3863
3864 2001-05-03  Geoff Keating  <geoffk@redhat.com>
3865
3866         * invoke.texi (i386 Options): Delete references to -malign-jumps,
3867         -malign-loops, -malign-functions.
3868         * i386.c (ix86_align_funcs): Delete.
3869         (ix86_align_loops): Delete.
3870         (ix86_align_jumps): Delete.
3871         (override_options): Mark -malign-* as obsolete.  Emulate their
3872         behaviour with the -falign-* options.  Default -falign-* from
3873         the processor table.
3874         * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
3875         patch of Wed May 2 13:09:36 2001.
3876         (LOOP_ALIGN): Delete.
3877         (LOOP_ALIGN_MAX_SKIP): Delete.
3878         (LABEL_ALIGN_AFTER_BARRIER): Delete.
3879         (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
3880
3881 2001-05-04  Andreas Jaeger  <aj@suse.de>
3882
3883         * except.h: Add prototype declaration for
3884         expand_builtin_init_dwarf_reg_sizes.
3885
3886 2001-05-03  Geoffrey Keating  <geoffk@redhat.com>
3887
3888         * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
3889
3890 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3891
3892         * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
3893         instruction.
3894         ("bitcmpqi2"): New pattern for bit-extract and test.
3895         ("bitcmphi"): New pattern for bitb/bita instructions.
3896
3897 2001-05-03  Joseph S. Myers  <jsm28@cam.ac.uk>
3898
3899         * gccbug.in: Use a temporary directory when the mktemp command is
3900         not available.
3901
3902 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3903
3904         * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
3905         instead of _.d1.
3906         (INITIALIZE_TRAMPOLINE): Call it.
3907         (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
3908         (TRAMPOLINE_TEMPLATE): Remove.
3909         * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
3910         * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
3911         Declare.
3912
3913 2001-05-03  David O'Brien  <obrien@FreeBSD.org>
3914
3915         * config/t-freebsd: Don't install "assert.h" in gcc.  Compile crtbeginS.o
3916         and crtendS.o with PIC.
3917
3918 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3919
3920         * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
3921         negative numbers.
3922         (___subdi3, ___adddi3): Use x instead of y as index register.
3923         (__init_bss_section, __map_data_section): Optimize for 68HC12.
3924         (__memset, __memcpy): Likewise.
3925         (regs): Put the soft registers in bss for 68HC12.
3926         (abort): Use trap to abort for 68hc12.
3927         (__mulhi3, __mulhi32): Use emul for 68hc12.
3928         (__mulsi3): Avoid to use the tmp soft register for 68hc12.
3929
3930 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3931
3932         * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
3933         * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
3934         * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
3935         (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
3936         Set 68HC12 min offset to -65536.
3937         (print_operand): Put parenthesis arround the operand if it refers
3938         to a symbol having the same name as a register.
3939         (m68hc11_z_replacement): When z register is replaced by its
3940         equivalent soft register, force the insn to be re-recognized.
3941         (m68hc11_check_z_replacement): Fix the test when destination is
3942         the index register and z dies in the insn.
3943         (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
3944
3945 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3946
3947         * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
3948         costs according to processor variant.
3949         (m68hc11_shift_cost): New function to compute shift costs.
3950         (m68hc11_rtx_costs): Define costs according to processor variant.
3951         (m6811_cost): Costs for 68HC11.
3952         (m6812_cost): Costs for 68HC12.
3953         (COSTS_N_INSNS): Remove.
3954
3955         * config/m68hc11/m68hc11.h (RTX_COSTS): New.
3956         (DEFAULT_RTX_COSTS): Remove.
3957         (CONST_COSTS): Define costs according to OUTER_CODE.
3958         (processor_costs): New struct to define costs.
3959         (m68hc11_cost): Pointer to current costs.
3960
3961 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3962
3963         * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
3964         and use m68hc11_notice_keep_cc when using leax/leay.
3965         (addhi3 split): Reject split if the insn is handled by
3966         leax/leay above.
3967         * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
3968         push must be handled in a special way if the source operand uses
3969         sp as index register.
3970         (m68hc11_notice_keep_cc): New function.
3971         (m68hc11_gen_movhi): Use it when an insn changes a register but
3972         not the flags.
3973         (m68hc11_gen_movqi): Fix move for 68HC12.
3974         * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
3975
3976 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3977
3978         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
3979         and don't pass operands[0] to emit_library_call_value.
3980
3981 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3982
3983         * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
3984         (zero_extendsi split): Simplify and use (zero_extendhi).
3985         (*addhi3): Remove 'w' constraint since stack pointer is handled
3986         by (addhi3_sp).
3987         (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
3988         (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
3989         (*ashrhi3_const): Fix shift by 7.
3990         (*lshrsi3_const16): Fix template.
3991         (call, call_value): Fix constraint and predicate.
3992
3993 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3994
3995         * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
3996         (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
3997         (CC_REGNUM): Likewise.
3998         (*unnamed splits): Use above constants instead of hard coded numbers.
3999         (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
4000         (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
4001         (*return_16bit, *unnamed peepholes): Likewise.
4002
4003 2001-05-03  David O'Brien  <obrien@FreeBSD.org>
4004
4005         * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix):  Do not include
4006         rs6000/rs6000.h twice.
4007
4008 2001-05-03  Mark Elbrecht  <snowball3@bigfoot.com>
4009
4010         * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
4011         (CPP_SPEC): Conditionally define MSDOS and GO32.
4012         (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
4013         (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
4014         ignored.
4015         (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
4016
4017 2001-05-03  Alexandre Oliva  <aoliva@redhat.com>
4018
4019         * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
4020
4021 2001-05-03  Mark Mitchell  <mark@codesourcery.com>
4022
4023         * integrate.h (struct inline_remap): Add leaf_reg_map table.
4024         * integrate.c (expand_inline_function): Use xcalloc to allocate
4025         memory.
4026         (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
4027         registers.
4028
4029 2001-05-03  Mark Mitchell  <mark@codesourcery.com>
4030
4031         * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
4032         if it is not set.
4033
4034 2001-05-03  Alexandre Oliva  <aoliva@redhat.com>
4035
4036         * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
4037         linker if -mrelax is given.
4038         (TARGET_SWITCHES): Document -mrelax.
4039
4040         Re-installed 2001-01-09's patch:
4041         * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4042         if it's wider than long and the target's long is wider than the
4043         host's.
4044
4045 2001-05-02  David O'Brien  <obrien@FreeBSD.org>
4046
4047         * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h:  Do not
4048         directly include rs6000/rs6000.h.  Instead do it in tm.h.
4049
4050 2001-05-02  Stan Shebs  <shebs@apple.com>
4051
4052         * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
4053         NSConstantString for NeXT-style runtimes.
4054         (STRING_OBJECT_GLOBAL_NAME): New macro.
4055         (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
4056         OCTI_STRING_CLASS_DECL.
4057         (constant_string_global_id): New macro.
4058         (string_class_decl): Ditto.
4059         (setup_string_decl): New function.
4060         (build_objc_string_object): Use it to build a NeXT runtime
4061         compatible string initializer.
4062
4063 2001-05-02  Jakub Jelinek  <jakub@redhat.com>
4064
4065         * tradcpp.c (do_define): Make sure we don't walk past limit.
4066
4067 2000-05-01  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
4068
4069         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
4070         offsets if not REG_OK_STRICT.
4071
4072         * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
4073         (INT_REG_OK_FOR_INDEX_P): Likewise.
4074         (INT_REG_OK_FOR_BASE_P): Likewise.
4075         (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
4076         (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
4077         (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
4078         INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
4079         REG_OK_FOR_BASE_P. Take an additional parameter.
4080         (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
4081         (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
4082         (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
4083         (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
4084         rs6000_legitimate_address() and use it.
4085         * config/rs6000/rs6000.c: Update all callers.
4086         (rs6000_legitimate_address): New function.
4087
4088 2001-05-02  David Edelsohn  <edelsohn@gnu.org>
4089
4090         * config/rs6000/rs6000.c (rs6000_emit_move): Merge
4091         special_constant conditional blocks together.
4092
4093 2001-05-02  Dale Johannesen  <dalej@apple.com>
4094
4095         * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
4096         parameter.
4097         (STRICT_ARGUMENT_NAMING): Define.
4098         * config/rs6000/rs6000.c (function_arg_advance, function_arg,
4099         function_arg_partial_nregs, setup_incoming_varargs): Remove
4100         args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
4101         is defined.
4102
4103 Wed May  2 13:09:36 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4104
4105         * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
4106
4107         * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
4108         for replacement.
4109
4110         * expr.c (store_field): Do nothing except elaborate side-effects if
4111         zero-bit field.
4112
4113 2001-05-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4114
4115         * c-lex.c: NULL_PTR -> NULL.
4116         * cse.c: Likewise.
4117         * emit-rtl.c: Likewise.
4118         * gcse.c: Likewise.
4119         * genpeep.c: Likewise.
4120         * jump.c: Likewise.
4121         * mips-tdump.c: Likewise.
4122         * reload1.c: Likewise.
4123         * rtlanal.c: Likewise.
4124         * stmt.c: Likewise.
4125         * stor-layout.c: Likewise.
4126         * toplev.c: Likewise.
4127
4128 2001-05-01  Per Bothner  <per@bothner.com>
4129
4130         * expr.c (expand_expr):  When compiling LABELED_BLOCK_EXPR,
4131         call do_pending_stack_adjust before emiting label.
4132
4133 2001-05-01  Mark Mitchell  <mark@codesourcery.com>
4134
4135         * extend.texi: Fix typo.
4136
4137 2001-05-01  Stan Shebs  <shebs@apple.com>
4138
4139         * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
4140         of UOBJC_MODULES_decl.
4141         (generate_strings): Clear DECL_CONTEXT of new decl nodes.
4142         (generate_descriptor_table): Ditto.
4143         (generate_protocols): Ditto.
4144         (generate_protocol_list): Ditto.
4145         (generate_classref_translation_entry): Ditto.
4146
4147 2001-05-01  Jeffrey Oldham  <oldham@codesourcery.com>
4148
4149         * invoke.texi (Optimize Options): Add documentation for `--param
4150         max-delay-slot-insn-search' and `--param
4151         max-delay-slot-live-search' and reorder --param section.
4152         * params.def: Modify initial comment.
4153         * params.h (param_info): Add `help' member.
4154         * toplev.c (lang_independent_params): Include `help' description.
4155         (display_help): Print --param parameters.
4156
4157 2001-05-01  Zack Weinberg  <zackw@stanford.edu>
4158
4159         * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
4160         Remove references to deleted files.
4161         (*-*-openbsd): No need to override xmake_file.
4162         (*-*-sysv4): Treat like *-*-sysv.
4163
4164         * configure.in: Probe for ldopen in various places, and set up
4165         collect2 to be linked with them if found.
4166         Don't dink with Windows registry stuff unless $host_os is a
4167         Win32 os name.  Check to see if we need -ladvapi32.
4168         * configure: Regenerate.
4169
4170         * Makefile: Get rid of CLIB and HOST_CLIB.
4171         Substitute in COLLECT2_LIBS and link collect2 against its contents.
4172         * build-make: Get rid of HOST_CLIB.
4173
4174         * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
4175         config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4176         config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4177         config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
4178         config/rs6000/x-rs6000: Delete.
4179
4180         * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
4181         Don't set CLIB.
4182
4183         24 x-host fragments remain, 0 x-cpu, 3 top level.
4184
4185 2001-05-01  Zack Weinberg  <zackw@stanford.edu>
4186
4187         * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
4188         * configure: Regenerate.
4189
4190 2001-05-01  Angela Marie Thomas <angela@cygnus.com>
4191
4192         * Makefile.in (install-headers): Remove redundant dependency.
4193
4194 2001-05-01  Nathan Sidwell  <nathan@codesourcery.com>
4195
4196         * c-tree.texi (USING_STMT): Document.
4197
4198 2001-05-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4199
4200         * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
4201         * c-common.c: Likewise.
4202         * c-decl.c: Likewise.
4203         * combine.c: Likewise.
4204         * rs6000.c: Likewise.
4205         * except.c: Likewise.
4206         * explow.c: Likewise.
4207         * expr.c: Likewise.
4208         * fold-const.c: Likewise.
4209         * function.c: Likewise.
4210         * gcc.c: Likewise.
4211         * gcse.c: Likewise.
4212         * integrate.c: Likewise.
4213         * loop.c: Likewise.
4214         * objc/objc-act.c: Likewise.
4215         * recog.c: Likewise.
4216         * reg-stack.c: Likewise.
4217         * reload.c: Likewise.
4218         * reload1.c: Likewise.
4219         * simplify-rtx.c: Likewise.
4220         * stmt.c: Likewise.
4221         * varasm.c: Likewise.
4222
4223 2001-05-01  Gabriel Dos Reis  <gdr@codesourcery.com>
4224
4225         * diagnostic.def: New file.
4226         * diagnostic.h (diagnostic_t): New enum.
4227         * Makefile.in (diagnostic.o): Depend on diagnostic.def
4228
4229 2001-04-30  Zack Weinberg  <zackw@stanford.edu>
4230
4231         * tsystem.h: Test only POSIX for availability of string.h
4232         and time.h.
4233         * config.gcc (all systems): If USG appeared in xm_defines,
4234         change it to POSIX.  If both USG and POSIX appeared, just
4235         delete USG. Remove unnecessary quotes around xm_defines
4236         settings.
4237         (m68k-crds-unos*): Don't #define unos - tested nowhere.
4238         (m68k-apple-aux*): Don't #define AUX - tested nowhere.
4239         (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
4240         powerpc-*-linux*): No need to set xm_defines - handled by
4241         global settings for *-*-linux*.
4242
4243 2001-04-30  Zack Weinberg  <zackw@stanford.edu>
4244
4245         * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
4246         Always include gstab.h, not system stab.h.  Don't provide
4247         default definitions of N_CATCH or N_OPT.  Always use the
4248         gstab.h variant of STAB_CODE_TYPE.
4249         * final.c: Don't include stab.h/gstab.h at all, or provide
4250         defaults for N_SLINE and N_SOL.
4251
4252         * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
4253         N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
4254         available.
4255         * sdbout.c: Always include gsyms.h instead of system syms.h.
4256
4257         * configure.in: No need to check for stab.h.
4258         * configure, config.in: Regenerate.
4259         * Makefile.in (final.o): Don't depend on gstab.h.
4260
4261 2001-04-30  Mark Mitchell  <mark@codesourcery.com>
4262             Richard Henderson  <rth@redhat.com>
4263
4264         * extend.texi: Improve documentation of volatile asms.
4265
4266 2001-04-30  Mark Mitchell  <mark@codesourcery.com>
4267
4268         * c-tree.texi: Fix thinko.
4269         * gcc.texi: Likewise.
4270
4271 2001-04-30  Richard Henderson  <rth@redhat.com>
4272
4273         * c-common.c (c_promoting_integer_type_p): New function, from the
4274         corpse of old macro.  Properly promote too-small enumerations and
4275         booleans.  Adjust all callers.
4276         * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
4277         (c_promoting_integer_type_p): Declare.
4278         * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
4279         * c-typeck.c: Likewise.
4280         (default_conversion): Remove now redundant boolean check.
4281
4282 2001-04-30  Jan Hubicka  <jh@suse.cz>
4283             Richard Henderson  <rth@redhat.com>
4284
4285         * regmove.c (try_apply_stack_adjustment): Remove now redundant
4286         sanity checks.
4287         (combine_stack_adjustments_for_block): Don't combine stack
4288         allocation followed by deallocations.  Handle grow-up stacks.
4289
4290 2001-04-30  Mark Mitchell  <mark@codesourcery.com>
4291
4292         * fdl.texi: New file.
4293         * c-tree.texi: Use the GFDL.
4294         * gcc.texi: Likewise.
4295
4296 2001-04-30  Stan Shebs  <shebs@apple.com>
4297
4298         * invoke.texi: Add a section documenting Objective-C options.
4299
4300 2001-04-27  Andrew Haley  <aph@cambridge.redhat.com>
4301
4302         * emit-rtl.c (try_split):  Copy EH notes to sequence.
4303
4304 2001-04-30  Mark Mitchell  <mark@codesourcery.com>
4305
4306         * regmove.c (record_stack_memrefs): Catch all references to the
4307         stack pointer.
4308
4309 2001-04-29  Toomas Rosin <toomas at ns dot tklabor dot ee>
4310
4311         * Makefile.in (stmp-fixinc): quote shell assignment values
4312
4313 2001-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4314
4315         * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
4316
4317         * gcc.c: Likewise.
4318
4319         * prefix.c: Likewise.
4320
4321 2001-04-28  Stan Shebs  <shebs@apple.com>
4322
4323         * objc/objc-act.c (handle_class_ref): Rewrite to flush target
4324         specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
4325         * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
4326         * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
4327
4328         * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
4329         (NEXT_OBJC_RUNTIME): Define.
4330
4331 Sat Apr 28 21:02:58 CEST 2001  Jan Hubicka  <jh@suse.cz>
4332
4333         * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
4334         * simplify-rtx.c (simplify_gen_relational): Likewise.
4335
4336         * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
4337
4338         * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
4339         * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
4340
4341         * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
4342         registers in SSE case; fix handling of the immediates.
4343         (negsf2_ifs, abssf2_ifs): Tweak constraints; require
4344         operands to be in regsiters before reload.
4345         (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
4346         (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
4347         (abstf,absxf,negtf,negxf splitters): Compute
4348         properly the regnum for x86_64.
4349         (avsdf2_if_rex64): New.
4350
4351 Sat Apr 28 10:36:23 2001  Jeffrey A Law  (law@cygnus.com)
4352
4353         * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
4354         and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
4355         into the constant pool.
4356         * jump.c (jump_optimize_1): Remove barrier successors after all
4357         the LABEL_NUSES counds have been computed.
4358         (delete_barrier_successors): When deleting a tablejump insn, also
4359         delete the jump table it uses.
4360         * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
4361         label into memory.
4362
4363 2001-04-28  Martin Kalen  <martin.kalen@todaysystems.com.au>
4364
4365         * pa.c (FRP): Remove erroneous white space in macro definition.
4366
4367 2001-04-28  Andreas Jaeger  <aj@suse.de>
4368
4369         * invoke.texi: Use XX-bit instead of XXbit or XX bit where
4370         appropriate.
4371         * extend.texi: Likewise.
4372         * tm.texi: Likewise.
4373
4374 2001-04-28  Andreas Jaeger  <aj@suse.de>
4375
4376         * md.texi: Use XX-bit instead of XXbit or XX bit where
4377         appropriate.
4378
4379 2001-04-28  Jens Schweikhardt <schweikh@schweikhardt.net>
4380
4381         * gcc.c (process_command): Allow -l lib in addition to -llib
4382         for POSIX compliance. This fixes PR c/2347.
4383
4384         * invoke.texi: Update section on Link Options accordingly.
4385
4386 2001-04-27  Zack Weinberg  <zackw@stanford.edu>
4387
4388         * function.c (purge_addressof_1): Remove the duplicate
4389         if (code == SET) block.  Fold the two if (code == ADDRESSOF)
4390         blocks together.
4391
4392 2001-04-28  Jason Merrill  <jason_merrill@redhat.com>
4393
4394         * except.c (expand_eh_region_start): Don't start a new block.
4395         (expand_eh_region_end): Don't end a block.
4396         * stmt.c (expand_end_bindings): Don't end EH blocks.
4397         (expand_decl_cleanup): Starting an EH region won't change the block.
4398         (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
4399         (is_eh_region): Lose.
4400         * tree.h: Adjust.
4401
4402 2001-04-27  Jeffrey Oldham  <oldham@codesourcery.com>
4403
4404         * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
4405
4406         * collect2.c (main): Add `-L' case to remove duplicate entries.
4407         (is_in_args): New function to check for a duplicate argument.
4408         * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
4409         * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
4410         * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
4411         Define to be nonzero.
4412
4413 2001-04-27  Andreas Jaeger  <aj@suse.de>
4414             Richard Henderson  <rth@redhat.com>
4415
4416         * md.texi (Machine Constraints): Document additional i386
4417         constraints and fix description of "A".
4418
4419 Fri Apr 27 10:43:49 2001  Jeffrey A Law  (law@cygnus.com)
4420
4421         * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
4422
4423 2001-04-27  Jason Merrill  <jason_merrill@redhat.com>
4424
4425         * except.c (get_exception_filter): word_mode, not Pmode.
4426
4427 2001-04-26  Geoffrey Keating  <geoffk@redhat.com>
4428
4429         * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
4430         common to other movsf patterns.  Move up so that in future
4431         people who change the other patterns will change it too.
4432         (movsf_lo_sum): Allow even for soft-float; add appropriate
4433         constraints.
4434         (movsf_high): Likewise.
4435         (movsf_high+1): Allow even for soft-float.
4436
4437         * function.c (expand_function_end): Always clobber the
4438         return registers, even if there is no return label.
4439
4440 Thu Apr 26 20:28:21 CEST 2001  Jan Hubicka  <jh@suse.cz>
4441
4442         * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
4443
4444 Thu Apr 26 19:20:28 CEST 2001  Jan Hubicka  <jh@suse.cz>
4445
4446         * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
4447         (pushqi2_rex64, pushhi2_rex64): Add.
4448
4449 2001-04-26  Andrew Haley  <aph@cambridge.redhat.com>
4450
4451         * except.c (expand_eh_region_end_cleanup): Force pending stack
4452         adjust before emitting label that branches around cleanup code.
4453
4454 2001-04-26  H.J. Lu  (hjl@gnu.org)
4455
4456         * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
4457
4458         * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
4459         define.
4460         * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
4461         (ASM_OUTPUT_SECTION_NAME): Likewise.
4462         (ASM_WEAKEN_LABEL): Likewise.
4463         (UNIQUE_SECTION): Likewise.
4464         (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4465         (ASM_OUTPUT_DESTRUCTOR): Likewise.
4466         * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
4467         (ASM_OUTPUT_SECTION_NAME): Likewise.
4468         (ASM_WEAKEN_LABEL): Likewise.
4469         (UNIQUE_SECTION): Likewise.
4470         (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4471         (ASM_OUTPUT_DESTRUCTOR): Likewise.
4472         * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
4473         * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
4474         (ASM_FILE_START): Likewise.
4475         (ASM_OUTPUT_SOURCE_LINE): Likewise.
4476         (ASM_DECLARE_OBJECT_NAME): Likewise.
4477         (ASM_FILE_END): Likewise.
4478         (ASM_DECLARE_FUNCTION_NAME): Likewise.
4479         (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
4480         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4481         (ASM_OUTPUT_CASE_LABEL): Likewise.
4482         (ASM_OUTPUT_SKIP): Likewise.
4483         (ASM_OUTPUT_ASCII): Likewise.
4484         (ASM_OUTPUT_IDENT): Likewise.
4485         (READONLY_DATA_SECTION): Likewise.
4486         (EXTRA_SECTIONS): Likewise.
4487         (EXTRA_SECTION_FUNCTIONS): Likewise.
4488         (SELECT_RTX_SECTION): Likewise.
4489         (SELECT_SECTION): Likewise.
4490
4491         * config/mips/linux.h (INVOKE__main): Undefine.
4492         (CTOR_LIST_BEGIN): Likewise.
4493         (CTOR_LIST_END): Likewise.
4494         (DTOR_LIST_BEGIN): Likewise.
4495         (DTOR_LIST_END): Likewise.
4496         (SET_ASM_OP): Defined it to ".dummy".
4497         (ASM_OUTPUT_DEF): Defined.
4498         (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
4499
4500 2001-04-26  Nick Clifton  <nickc@cambridge.redhat.com>
4501
4502         * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
4503         assembler supports .p2align.
4504
4505 2001-04-26  Nathan Sidwell <nathan@codesourcery.com>
4506
4507         * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
4508
4509 2001-04-26  Jakub Jelinek  <jakub@redhat.com>
4510
4511         * integrate.c (expand_inline_function): Check for error_mark_node
4512         in actual argument.
4513
4514 2001-04-26  Jakub Jelinek  <jakub@redhat.com>
4515
4516         * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
4517         -m386 and -m486.
4518
4519 2001-04-26  Alexandre Oliva  <aoliva@redhat.com>
4520
4521         * configure.in (configargs.h): Define thread_model.
4522         * configure: Rebuilt.
4523         * gcc.c (main): Print it with -v.
4524
4525 2001-04-25  Joseph S. Myers  <jsm28@cam.ac.uk>
4526
4527         * invoke.texi: Document -Wmissing-braces, -dumpspecs,
4528         -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
4529         * gcc.1: Regenerate.
4530
4531 2001-04-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4532
4533         * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
4534         is_redundant_typedef): Use static inline instead of inline static.
4535
4536 Wed Apr 25 18:21:01 2001  Christopher Faylor <cgf@cygnus.com>
4537
4538         * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
4539         this directory is always searched.
4540
4541 2001-04-25  Richard Henderson  <rth@redhat.com>
4542
4543         * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
4544         of registers to restore along non eh_return path.
4545
4546 2001-04-25  Jakub Jelinek  <jakub@redhat.com>
4547
4548         * c-format.c (check_format_info_recurse): Handle
4549         PLUS_EXPR for format string.
4550
4551 2001-04-25  Jakub Jelinek  <jakub@redhat.com>
4552
4553         * config/ia64/ia64.h (CC1_SPEC): Define.
4554         * config/ia64/linux.h (CC1_SPEC): Define.
4555
4556 Wed Apr 25 17:09:50 2001  J"orn Rennecke <amylaar@redhat.com>
4557
4558         * emit-rtl.c (constant_subword): Also do sign extension in
4559         BITS_PER_WORD == 16 case.
4560
4561 2001-04-25  Jason Merrill  <jason_merrill@redhat.com>
4562
4563         * loop.c (try_swap_copy_prop): Go back to checking insn.
4564
4565 2001-04-25  Jakub Jelinek  <jakub@redhat.com>
4566
4567         * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
4568         if check_mode is non-zero.
4569
4570 2001-04-25  Jakub Jelinek  <jakub@redhat.com>
4571
4572         * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
4573         out and comparison sequence has been detected, put result into
4574         proper temporary pseudo.
4575
4576 2001-04-24  Zack Weinberg  <zackw@stanford.edu>
4577
4578         * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
4579         * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
4580         * libgcc2.c: Remove __dummy and __builtin_saveregs.
4581         * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
4582         * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
4583         for future reference.
4584
4585 2001-04-24  Jason Merrill  <jason_merrill@redhat.com>
4586
4587         * except.c (reachable_handlers): Step out one level from a RESX.
4588
4589         * except.c (struct eh_region): Rename 'last' to 'resume'.
4590         (mark_eh_region, duplicate_eh_region_1): Adjust.
4591         (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
4592         (build_post_landing_pads): Likewise.
4593         (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
4594         (expand_eh_region_end_must_not_throw): Likewise.
4595         (connect_post_landing_pads): Thread (only) regions with non-deleted
4596         resume insns.
4597
4598         * except.c (expand_eh_region_end_cleanup): Save the EH return data
4599         registers around the cleanup.
4600         (get_exception_filter): New fn.
4601         (finish_eh_generation): Use it.
4602
4603 2001-04-24  Nathan Sidwell <nathan@codesourcery.com>
4604
4605         * c-semantics.c (add_scope_stmt): Don't call
4606         current_scope_stmt_stack multiple times.
4607
4608 2001-04-24  Zack Weinberg  <zackw@stanford.edu>
4609             Nathan Sidwell <nathan@codesourcery.com>
4610
4611         Lazy __FUNCTION__ generation.
4612         * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
4613         RID_C99_FUNCTION_NAME): New _RIDs.
4614         (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
4615         (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
4616         CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
4617         global tree slots.
4618         (function_id_node, pretty_function_id_node, func_id_node): Remove.
4619         (c99_function_name_decl_node, function_name_decl_node,
4620         pretty_function_name_decl_node, saved_function_name_decls):
4621         Declare.
4622         (struct language_function): Remove x_function_name_declared_p.
4623         (make_fname_decl): Remove a parameter.
4624         (declare_function_names): Remove prototype.
4625         (start_fname_decls, finish_fname_decls): Prototype.
4626         (fname_as_string): Likewise.
4627         (fname_string, fname_decl): Likewise.
4628         * c-common.c (make_fname_decl): Adjust.
4629         (struct fname_var_t): New struct.
4630         (fname_vars): New static array.
4631         (declare_function_name): Remove.
4632         (start_fname_decls, finish_fname_decls): New functions.
4633         (fname_as_string): New function from remnants of
4634         declare_function_name.
4635         (fname_string, fname_decl): New functions.
4636
4637         * c-decl.c (c_function_name_declared_p): Remove.
4638         (init_decl_processing): Don't generate __FUNCTION__ et al ids,
4639         don't call declare_function_name. Call start_fname_decls.
4640         (c_make_fname_decl): Adjust parameters. Generate the name. Don't
4641         clobber the line number. Call finish_decl.
4642         (start_function): Call start_fname_decls.
4643         (finish_function): Call finish_fname_decls.
4644         Remove c_function_name_declared_p.
4645         (push_c_function_context): Don't push c_function_name_declared_p.
4646         (pop_c_function_context): Don't pop c_function_name_declared_p.
4647         (c_begin_compound_stmt): Don't check c_function_name_declared_p.
4648         * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
4649         (program): Call finish_fname_decls for C.
4650         (primary): Add VAR_FUNC_NAME.
4651         (reswords): Add slots for __FUNCTION__ et al.
4652         (rid_to_yy): Add mappings for __FUNCTION__ et al.
4653         (yylexname): If it's a STRING_FUNC_NAME generate the function name
4654         now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
4655         * c-semantics.c (prune_unused_decls): Remove.
4656         (finish_stmt_tree): Don't call prune_unused_decls.
4657         (genrtl_decl_stmt): Don't prune unused decls here.
4658
4659 2001-04-24  Nick Clifton  <nickc@cambridge.redhat.com>
4660
4661         * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
4662         constant pool, use the pool's SYMBOL_REF instead.
4663
4664         * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
4665         v850e.
4666
4667 2001-04-23  Joseph S. Myers  <jsm28@cam.ac.uk>
4668
4669         * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
4670         passing nested NOP_EXPRs to fold.
4671
4672 Mon Apr 23 14:32:12 CEST 2001  Jan Hubicka  <jh@suse.cz>
4673
4674         * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
4675
4676 2001-04-22  Mark Mitchell  <mark@codesourcery.com>
4677
4678         * loop.c (loop_delete_insns): Add prototype.
4679
4680 2001-04-23  Phil Edwards  <pme@sources.redhat.com>
4681
4682         * configure.in:  Remove ENABLE_STD_NAMESPACE.
4683         * config.in:  Regenerated.
4684         * configure:  Regenerated.
4685
4686 2001-04-22  Stan Shebs  <shebs@apple.com>
4687
4688         * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
4689         into xm_defines.
4690         * config/rs6000/xm-darwin.h: Remove file.
4691
4692 2001-04-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4693
4694         * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
4695         (write_c_file_stat): Likewise.
4696
4697         * dbxout.c (dbxout_init): Likewise.
4698
4699         * profile.c (output_func_start_profiler): Likewise.
4700
4701 2001-04-22  Philipp Thomas  <pthomas@suse.de>
4702
4703         * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
4704         require it instead of the CVS version.
4705         * cpperror.c (v_message): Put a blank before the macro
4706         body to not confuse exgettext.
4707
4708 2001-04-21  Mark Mitchell  <mark@codesourcery.com>
4709
4710         * flow.c (proagate_one_insn): Remove useless assignment.
4711         * jump.c (delete_insn): Tidy.
4712         * loop.c (try_copy_prop): When deleting an instruction with a
4713         REG_RETVAL note, delete the entire libcall sequence.
4714         (loop_delete_insns): New function.
4715         * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
4716         we're not substituting into them yet.
4717
4718 2001-04-21  Kazu Hirata  <kazu@hxi.com>
4719
4720         * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
4721
4722         * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
4723         Fix a comment typo.
4724         * config/i960/i960.c (signed_arith_operand): Likewise.
4725
4726         * calls.c (expand_call): Fix a comment typo.
4727
4728 2001-04-20  Zack Weinberg  <zackw@stanford.edu>
4729
4730         * configure.in: Probe for times, clock, struct tms, and clock_t.
4731         * configure, config.in: Regenerate.
4732         * timevar.c: Replace ifdef forest in get_time with (relatively)
4733         straightforward series of checks based on autoconf's probes.
4734
4735 Fri Apr 20 12:24:50 2001  Jeffrey A Law  (law@cygnus.com)
4736
4737         * config/pa/som.h (NM_FLAGS): Define.
4738
4739 2001-04-20  Bernd Schmidt  <bernds@redhat.com>
4740
4741         * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
4742         function.
4743         * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
4744         * ia64.c (nop_cycles_until): New function.
4745         (prev_cycle, prev_first, last_issued): New static variables.
4746         (ia64_sched_reorder): Additional arg for clock.
4747         On final scheduling pass, emit extra NOPs as needed.
4748         Set prev_first and prev_cycle.
4749         (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
4750         (ia64_variable_issue): Set last_issued.
4751
4752 2001-04-20  Alexandre Oliva  <aoliva@redhat.com>
4753
4754         * config/i386/i386.c (ix86_expand_int_movcc,
4755         ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
4756
4757 2001-04-20  Geoff Keating  <geoffk@redhat.com>
4758
4759         * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
4760         ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
4761         ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
4762         ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
4763         ctrdi_internal6): In the short-branch case, this insn is only 4
4764         bytes long.  Reported by Reza Yazdani <reza@apple.com>.
4765
4766 2001-04-20  Jakub Jelinek  <jakub@redhat.com>
4767
4768         * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
4769         "=u" is used together with "st" resp. "st(1)" clobber.
4770
4771 2001-04-20  Jakub Jelinek  <jakub@redhat.com>
4772
4773         * gcse.c (gcse_main): Fix comment typo.
4774         (delete_null_pointer_check): Likewise.
4775         (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
4776         * cse.c (cse_insn): Likewise.
4777         * function.c (fixup_var_refs_insns_with_hash): The sequence is
4778         toplevel.
4779
4780 2001-04-19  Zack Weinberg  <zackw@stanford.edu>
4781
4782         * toplev.c: Excise all code for the undocumented -dm option.
4783         (float_signal): Call signal just once, unconditionally.
4784
4785 2001-04-19  Geoff Keating  <geoffk@redhat.com>
4786
4787         * fold-const.c (fold): Use first_rtl_op rather than
4788         TREE_CODE_LENGTH when looping over parameters of a tree.
4789         Correct strange grouping in test for evaluated SAVE_EXPR.
4790
4791 Thu Apr 19 19:15:26 2001  Jeffrey A Law  (law@cygnus.com)
4792
4793         * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
4794         * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
4795
4796         * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
4797         name at 32 total characters.
4798         (ASM_OUTPUT_SECTION_NAME): Similarly.  Also, only support placing
4799         functions in named sections -- data items can still go into unique
4800         sections, but they have normal names (ie $LIT$ and $DATA$).
4801
4802         * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
4803         INIT_PRIORITY.
4804
4805 2001-04-19 DJ Delorie  <dj@redhat.com>
4806
4807         * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4808         to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
4809         * config/i386/cygwin.h: Likewise.
4810         * config/i386/mingw32.h: Likewise.
4811         * config/vax/vms.h: Likewise.
4812         * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
4813
4814         * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4815         to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
4816         * config/i386/xm-cygwin.h: Likewise.
4817         * config/i386/xm-djgpp.h: Likewise.
4818         * config/i386/xm-mingw32.h: Likewise.
4819         * config/vax/xm-vms.h: Likewise.
4820
4821         * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
4822         instead of OBJECT_SUFFIX.
4823         * collect2.c (find_a_file): Look for files matching the extension
4824         HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
4825         * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
4826         TARGET_EXECUTABLE_SUFFIX.
4827         (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
4828         (make_relative_prefix): Likewise.
4829         (convert_filename): Use TARGET_ suffixes throughout.  Remove
4830         NO_AUTO_EXE_SUFFIX.
4831         (process_command): Likewise.
4832         (do_spec_1): Likewise.
4833         * java/lang.c (init_parse): Likewise.
4834
4835         * gcc.texi : Document four new options matching the pattern
4836         (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX.  Remove documentation
4837         for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX.  Remove
4838         documentation for NO_AUTO_EXE_SUFFIX.
4839
4840 2001-04-19  Mark Mitchell  <mark@codesourcery.com>
4841
4842         * toplev.h (struct lang_hooks): Allow decode_option to indicate
4843         that language-independent processing should not be done.
4844         * toplev.c (main): Adjust accordingly.
4845
4846         * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
4847         * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
4848
4849         * mips.md (reload_outputdi): Require that operand0 be a
4850         general_operand.
4851
4852 2001-04-19  Jakub Jelinek  <jakub@redhat.com>
4853
4854         * invoke.texi (-Wshadow): Clarify.
4855
4856 2001-04-18  Mark Mitchell  <mark@codesourcery.com>
4857
4858         * loop.c (load_mems): Examine all the instructions in the loop
4859         before concluding that all jumps branch to the first instruction
4860         after the loop.
4861
4862 Wed Apr 18 20:32:03 2001  Christopher Faylor <cgf@cygnus.com>
4863
4864         * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
4865
4866 2001-04-18  Jakub Jelinek  <jakub@redhat.com>
4867
4868         * cpp.texi (-Wwhite-space): Remove.
4869         (-Wall): -Wall does not imply -Wwhite-space.
4870
4871 2001-04-17  Zack Weinberg  <zackw@stanford.edu>
4872
4873         * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
4874         use it instead of blindly generating a .stabs.
4875         * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
4876         in the right place.
4877         * xcoffout.c: Don't bother defining default for N_CATCH.
4878         (UNKNOWN_STAB): Use internal_error.
4879         (stab_to_sclass): Remove now-unnecessary aborts.
4880         Remove #if 0'ed case N_BROWS.  Add #ifdef N_OPT block.
4881
4882 Tue Apr 17 21:41:11 2001  Jeffrey A Law  (law@cygnus.com)
4883
4884         * jump.c (mark_all_labels): Canonicalize the tail recursion
4885         label attached to CALL_PLACEHOLDER insns.
4886
4887 2001-04-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4888
4889         * output.h (dump_flow_info, free_basic_block_vars,
4890         which_alternative): Delete redundant prototypes.
4891
4892         * rtl.h (bss_section): Likewise.
4893
4894 2001-04-17  Loren J. Rittle  <ljrittle@acm.org>
4895
4896         * dbxout.c (N_OPT): Define if not available from <stab.h>
4897
4898 2001-04-17  John David Anglin  <dave@hiauly1.hia.nrc.ca>
4899
4900         * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
4901         libraries and native K&R compilers.
4902
4903 2001-04-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4904
4905         * c-typeck.c (convert_arguments): Don't check for width changes
4906         with -Wtraditional.
4907
4908         * invoke.texi (-Wtraditional): Update documentation.
4909
4910 2001-04-16  Zack Weinberg  <zackw@stanford.edu>
4911
4912         * toplev.c (output_lang_identify): Delete.
4913         (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
4914         Don't generate gcc2_compiled. label.  Don't emit a nop if profiling.
4915         If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
4916         after calling ASM_FILE_END.
4917
4918         * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
4919         Instead, unconditionally emit an N_OPT stab with string equal
4920         to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
4921
4922         * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
4923
4924         * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
4925         config/psos.h, config/ptx4.h, config/1750a/1750a.h,
4926         config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
4927         config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
4928         config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
4929         config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
4930         config/i370/i370.h, config/i386/beos-elf.h,
4931         config/i386/osf1elf.h, config/i386/osfrose.h,
4932         config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
4933         config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
4934         config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
4935         config/m68k/tower-as.h, config/mcore/mcore-elf.h,
4936         config/mips/iris6.h, config/mips/osfrose.h,
4937         config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
4938         config/sparc/sp64-elf.h:
4939         Delete definitions of any or all of: ASM_IDENTIFY_GCC,
4940         ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
4941
4942         * config/elfos.h, config/freebsd.h, config/linux.h,
4943         config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
4944         config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
4945         config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
4946         of ASM_FILE_START which merely emit a .version directive.  Delete
4947         definitions of ASM_FILE_END which merely emit an .ident directive.
4948
4949         * config/avr/avr.h, config/vax/vax.h: Delete definition of
4950         ASM_IDENTIFY_GCC and move part of its logic into
4951         ASM_FILE_START.
4952
4953         * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
4954         config/sparc/linux-aout.h: Don't emit .version directive in
4955         ASM_FILE_START.
4956
4957         * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
4958         (output_file_start): Correct comment.
4959
4960         * config/i386/osfrose.h: Don't emit trailing .ident directive.
4961         * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
4962         to match gdb.
4963         * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
4964         * config/rs6000/aix.h: Correct comment.
4965
4966         * config/i386/i386afe.h: Delete.
4967         * config.gcc: Remove references to i386afe.h.
4968
4969         * tm.texi: Delete documentation of ASM_IDENTIFY_GCC.  The
4970         other macros deleted by this patch were undocumented.
4971
4972 Mon Apr 16 08:03:48 2001  Jeffrey A Law  (law@cygnus.com)
4973
4974         * pa.md (reload_outdi): Operand 0 must be a non hard register.
4975
4976         * pa.c (secondary_reload_class): SAR<->FP copies require a
4977         secondary register.
4978
4979         * install.texi (mips-mips-bsd): Update list of functions
4980         required to include memmove.
4981         * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
4982         used functions to include memmove.
4983
4984 2001-04-15  Toon Moene  <toon@moene.indiv.nluug.nl>
4985
4986         * i386.md (sqrtdf2): SFmode should be DFmode.
4987
4988 2001-04-15  Alexandre Oliva  <aoliva@redhat.com>
4989
4990         * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
4991         (find_moveable_store): Likewise.
4992
4993 2001-04-15  Jim Wilson  <wilson@redhat.com>
4994
4995         * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
4996
4997 Sat Apr 14 16:24:19 CEST 2001  Jan Hubicka  <jh@suse.cz>
4998
4999         * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
5000         (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
5001
5002 2001-04-14  Alexandre Oliva  <aoliva@redhat.com>
5003
5004         * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
5005         first alternative.
5006
5007 2001-04-14  Alan Modra  <amodra@one.net.au>
5008
5009         * pa.c (force_mode): New function.
5010         (emit_move_sequence): Use it instead of generating new rtx_REGs.
5011
5012 2001-04-13  Jim Wilson  <wilson@redhat.com>
5013
5014         * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
5015         (first_instruction): New static variable.
5016         (rtx_needs_barrier): Return 1 for alloc.
5017         (init_insn_group_barriers): Set first_instruction.
5018         (rws_sum): Delete duplicate definition.
5019         (group_barrier_needed_p): Return 0 when first_instruction true.
5020         (safe_group_barrier_needed_p): Save and restore first_instruction
5021         around group_barrier_needed_p call.
5022
5023 Fri Apr 13 21:40:28 2001  Loren J. Rittle  <ljrittle@acm.org>
5024
5025         * expr.h (enum libfunc_index): Add LTI_memmove.
5026         (memmove_libfunc): Define macro.
5027         * optabs.c (init_optabs): Initialize memmove_libfunc.
5028         * expr.c (expand_assignment): Use memmove_libfunc instead of
5029         memcpy_libfunc.
5030
5031 2001-04-13  Alan Modra  <alan@linuxcare.com.au>
5032
5033         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
5034         fp mode addresses.
5035
5036 2001-04-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5037
5038         * Makefile.in (reg-stack.o): Depend on reload.h.
5039         (insn-attrtab.o): Depend on flags.h.
5040
5041         * genattrtab (main): Include flags.h in insn-attrtab.c.
5042
5043         * reg-stack.c: Include reload.h.
5044
5045         * sparc.h (flag_pic): Delete redundant declaration.
5046
5047         * output.h (flag_pic): Likewise.
5048
5049         * tree.h (pedantic): Likewise.
5050
5051 2001-04-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5052
5053         * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
5054
5055         * jump.c, regmove.c, toplev.c: Include reload.h.
5056
5057         * reload.h (reload_cse_regs): Declare.
5058
5059         * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
5060         reload_cse_regs, init_reload, mark_home_live, reload,
5061         init_caller_save): Delete redundant prototypes.
5062
5063 2001-04-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5064
5065         * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
5066
5067         * regclass.c, ssa.c: Include expr.h.
5068
5069         * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
5070         gen_move_insn): Delete redundant declarations.
5071
5072 2001-04-13  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
5073
5074         * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
5075         (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
5076         MAKEINFO and MAKEINFOFLAGS too.
5077         (stage4_build): Correctly order -B flags.
5078
5079 2001-04-13  Alan Modra  <amodra@one.net.au>
5080
5081         * pa.c (hppa_init_pic_save): Set rtx_unchanging for
5082         PIC_OFFSET_TABLE_SAVE_RTX.
5083         (zdepi_cint_p): Describe zdepi insn.
5084         Formatting and white space fixes throughout file.
5085
5086         * pa.c (uint32_operand): Don't use long constant >= 2^32.
5087         (emit_move_sequence): Use HOST_WIDE_INT constants.  Don't worry
5088         about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
5089         (compute_movstrsi_length): Make `align' unsigned to avoid warning.
5090         (output_64bit_and): Use plain `int's for shift counts.
5091         (output_64bit_ior): Likewise.
5092         (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
5093         * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
5094         `N', and simplify.
5095
5096         * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
5097         * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
5098         * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
5099         NEW_HP_ASSEMBLER into one.  Kill warnings.
5100
5101         * pa-gas.h: Delete file.
5102         * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
5103         Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*.  Update
5104         hppa*-*-linux*.  For all pa targets, remove pa/gas.h from tm_file,
5105         instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
5106
5107         * config/pa/mill32.S: New file.
5108         * config/pa/mill64.S: New file.
5109         * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
5110         LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
5111         * config/pa/t-linux64: New file.
5112         * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
5113         (LIB1ASMFUNCS, LIB1ASMSRC): Define.
5114         (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
5115
5116         * elfos.h (SELECT_SECTION): Undef before defining.
5117         * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
5118         (LIB_SPEC): Remove -lmilli.
5119         (DBX_REGISTER_NUMBER): Remove.
5120         (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
5121         (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
5122         NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
5123         DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
5124         DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
5125         ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
5126         ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
5127         TARGET_GAS): Define.
5128         * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
5129         (function_arg): If TARGET_ELF32, pass fp args in both general and fp
5130         regs if we don't have a prototype.
5131         * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
5132         * pa.h (TARGET_ELF32): Default to 0 if undefined.
5133         (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
5134         EH_RETURN_HANDLER_RTX): Define.
5135         * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
5136         (DWARF_FRAME_REGNUM): Define.
5137         * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
5138         * pa32-linux.h: New file.
5139         * pa64-linux.h: New file.
5140
5141         * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
5142         (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
5143         (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
5144         NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
5145         DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
5146         DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
5147         CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5148         FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
5149         READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
5150         DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
5151         UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5152         ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
5153         TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
5154         * pa64-hpux.h: New file.
5155         (ASM_FILE_START): Correct typo.
5156         (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
5157         * config.gcc: Modify for above.
5158
5159 Fri Apr 13 00:09:22 EDT 2001  John Wehle  (john@feith.com)
5160
5161         * jump.c (jump_optimize_1): Don't delete dead stores here.
5162         * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
5163         prior to running jump optimize before cse2.
5164
5165 2001-04-12  Richard Henderson  <rth@redhat.com>
5166
5167         * Makefile.in (regmove.o): Depend on except.h.
5168         * regmove.c: Include it.
5169
5170 2001-04-12  Stan Shebs  <shebs@apple.com>
5171
5172         * objc/objc-act.c: Remove all code ifdefed with the never-used
5173         macro OBJC_INT_SELECTORS.
5174         * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
5175         * tm.texi: Remove doc for OBJC_INT_SELECTORS.
5176
5177 Thu Apr 12 18:13:37 2001  Rodney Brown  <RodneyBrown@mynd.com>
5178
5179         * config/pa/quadlib.c: Add prototypes.
5180
5181 2001-04-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5182
5183         * bitmap.h (debug_bitmap): Delete redundant prototype.
5184
5185         * rtl.h (get_frame_size): Likewise.
5186
5187 2001-04-12  Jim Wilson  <wilson@redhat.com>
5188
5189         * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
5190         to just emit an fnorm.
5191
5192 2001-04-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5193
5194         * c-common.h (truthvalue_conversion, type_for_mode,
5195         type_for_size): Delete redundant declarations.
5196
5197         * c-lex.h (is_class_name): Likewise.
5198
5199         * c-tree.h (pedantic, convert, getdecls, gettags,
5200         global_bindings_p, init_decl_processing, insert_block,
5201         maybe_build_cleanup, poplevel, print_lang_decl,
5202         print_lang_identifier, print_lang_type, pushdecl, pushlevel,
5203         set_block, incomplete_type_error, build_function_call,
5204         lvalue_or_else, mark_addressable): Likewise.
5205
5206         * expr.h (expand_tree_builtin): Likewise.
5207
5208 2001-04-12  Mark Mitchell  <mark@codesourcery.com>
5209
5210         * invoke.texi: Document --param max-gcse-memory.
5211
5212 2001-04-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5213
5214         * configure.in (errno): Check for declaration.
5215         * configure, config.in: Regenerated.
5216
5217         * system.h (errno): Only declare if not already done.
5218
5219 2001-04-12  Alexandre Oliva  <aoliva@redhat.com>
5220
5221         * recog.c (general_operand, immediate_operand,
5222         nonmemory_operand): Require CONST_INTs to be sign-extended
5223         values for their modes.
5224
5225 2001-04-12  Alexandre Oliva  <aoliva@redhat.com>
5226
5227         * expmed.c (store_bit_field): Truncate CONST_INTs.
5228         (expand_mult_highpart, expand_divmod): Likewise.
5229         * expr.c (convert_modes, store_field): Likewise.
5230         * integrate.c (expand_inline_function): Use promote_mode() to
5231         determine whether to convert_modes() an argument as signed
5232         or unsigned.
5233         * optabs.c (expand_binop): Get CONST_INT operands
5234         sign-extended for their appropriate modes.
5235         * stmt.c (emit_case_nodes): Convert node values to the
5236         appropriate mode.
5237         (expand_end_case): Convert minval and range to the appropriate
5238         mode.
5239         * unroll.c (loop_iterations): Truncate abs_diff to the mode of
5240         the iteration variable.
5241         * varasm.c (immed_double_const): Don't require words to be
5242         narrower than host wide ints to properly sign-extend
5243         CONST_INTs.
5244
5245 2001-04-12  kaz Kojima  <kkojima@rr.iij4u.or.jp>
5246
5247         * sh.md (builtin_setjmp_receiver): New expander.
5248
5249 2001-04-12  David Edelsohn  <dje@watson.ibm.com>
5250
5251         * config/rs6000/rs6000.c (rs6000_emit_move): Do not
5252         special-case HOST_BITS_PER_WIDE_INT != 32.  Use same criteria
5253         for generating CONST_INT and CONST_DOUBLE.
5254
5255 2001-04-12  Alexandre Oliva  <aoliva@redhat.com>
5256
5257         * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
5258         already sign-extended.
5259         (rs6000_emit_prologue): Make register iterator signed.
5260         (rs6000_emit_epilogue): Likewise.
5261         * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
5262         and low.
5263         (movsf split, movdf split): Sign-extend CONST_INTs.
5264         (movdi splits): Likewise.
5265
5266 2001-04-12  Kelley Cook <kelley.cook@home.com>
5267
5268         * config-lang.in (lang_dirs): Add in zlib.
5269
5270 2001-04-11  Alexandre Oliva  <aoliva@redhat.com>
5271
5272         * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
5273         operands that make it to RTL.
5274
5275 2001-04-11  Stan Shebs  <shebs@apple.com>
5276
5277         Add Darwin (Mac OS X kernel) native support.
5278         * config.gcc (powerpc-*-darwin*): Add native bits.
5279         * config/darwin.c: New file, generic Darwin support functions.
5280         * config/darwin.h: New file, generic Darwin definitions.
5281         * config/darwin-protos.h: New file, generic Darwin prototypes.
5282         * rs6000/darwin.h: New file, Darwin for PowerPC.
5283         * rs6000/t-darwin: New file, Darwin makefile fragment.
5284         * rs6000/rs6000.h (OBJECT_MACHO): New macro.
5285         (TARGET_MACHO): Ditto.
5286         (rs6000_abi): Add ABI_DARWIN.
5287         (RS6000_REG_SAVE): Add ABI_DARWIN case.
5288         (RS6000_SAVE_AREA): Ditto.
5289         (FP_ARG_MAX_REG): Ditto.
5290         (RETURN_ADDRESS_OFFSET): Ditto.
5291         * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
5292         cases.
5293         (rs6000_emit_move): Add ABI_DARWIN cases.
5294         (print_operand): Ditto.
5295         (first_reg_to_save): Ditto.
5296         (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
5297         (debug_stack_info): Ditto.
5298         (rs6000_emit_prologue): Ditto.
5299         (rs6000_emit_epilogue): Ditto.
5300         (output_profiler_hook): Ditto.
5301         (output_function_profiler): Ditto.
5302         (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
5303         (output_mi_thunk): Add TARGET_MACHO case.
5304         (add_compiler_stub): Ditto.
5305         (output_compiler_stub): Ditto.
5306         (no_previous_def): Ditto.
5307         (output_call): Ditto.
5308         (machopic_output_stub): Ditto.
5309         (rs6000_machopic_legitimize_pic_address): Ditto.
5310         (toc_section): Ditto.
5311         * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
5312         (macho_high): Ditto.
5313         (macho_low): Ditto.
5314         (movsi_low): Ditto.
5315         (load_macho_picbase): Ditto.
5316         (call): Add TARGET_MACHO case to modify function.
5317         (call_value): Ditto.
5318         (call_nonlocal_sysv): Add ABI_DARWIN case.
5319         (call_value_nonlocal_sysv): Ditto.
5320         * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
5321         Add prototype.
5322         (machopic_output_stub): Ditto.
5323         * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
5324
5325 2001-04-11  Mark Mitchell  <mark@codesourcery.com>
5326
5327         * dwarf2out.c (modified_type_die): Don't create new types here.
5328         * tree.h (get_qualified_type): New function.
5329         (build_qualified_type): Adjust comment.
5330         * tree.c (get_qualified_type): New function.
5331         (build_qualified_type): Use it.
5332
5333 2001-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5334
5335         * cpp.texi (-Wtraditional): Update description.
5336
5337         * invoke.texi (-Wtraditional): Likewise.
5338
5339 2001-04-11  Jim Wilson  <wilson@redhat.com>
5340
5341         * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
5342         requires more than 64 bits of alignment.
5343
5344 2001-04-11  Neil Booth  <neil@daikokuya.demon.co.uk>
5345
5346         * cpplib.c (do_line): Sanity check iff enable checking.
5347
5348 2001-04-11  Richard Henderson  <rth@redhat.com>
5349
5350         * Makefile.in (insn-recog.o): Depend on toplev.h.
5351         (insn-emit.o, doloop.o): Likewise.
5352         * genrecog.c, genemit.c: Include toplev.h in generated file.
5353         * doloop.c: Include toplev.h.
5354
5355 2001-04-11  Mark Mitchell  <mark@codesourcery.com>
5356
5357         * Makefile.in (gcse.o): Depend on params.h.
5358         * gcse.c: Include params.h.
5359         (gcse_main): Don't do GCSE if doing so will take inordinate
5360         amounts of memory.
5361         * params.def (PARAM_MAX_GCSE_MEMORY): New  parameter.
5362         * params.h (MAX_GCSE_MEMORY): New macro.
5363
5364 2001-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5365
5366         * Makefile.in (insn-output.o): Depend on $(EXPR_H).
5367
5368         * genoutput.c (output_prologue): Include expr.h in insn-output.c.
5369
5370 2001-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5371
5372         * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
5373
5374         * real.h (ereal_atof, real_value_truncate, target_isnan,
5375         target_isinf, target_negative, assemble_real, debug_real): Delete
5376         redundant prototypes.
5377
5378         * Makefile.in (ifcvt.o): Depend on toplev.h.
5379
5380         * c-semantics.c: Include expr.h.
5381
5382         * ifcvt.c: Include toplev.h.
5383
5384         * expr.h (rtx_equal_p): Delete prototype.
5385
5386         * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
5387         protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
5388         eliminate_constant_term, expand_complex_abs, find_single_use,
5389         make_tree, init_expr_once, init_optabs, supports_one_only):
5390         Likewise.
5391
5392         * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
5393         rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
5394         expand_assignment, store_expr, emit_line_note_after,
5395         emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
5396
5397         * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
5398
5399         * sparc-protos.h: Delete redundant prototypes.
5400
5401 2001-04-11  Vladimir Makarov  <vmakarov@toke.toronto.redhat.com>
5402
5403         * reload.c (push_reload): Add condition missed in SUBREG byte
5404         offset patch.
5405
5406 Wed Apr  4 00:28:23 2001  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5407
5408         * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
5409
5410 Wed Apr 11 14:06:10 CEST 2001  Jan Hubicka  <jh@suse.cz>
5411
5412         * i386.md (floatsisf_sse): Fix output template
5413         * i386.c (ix86_expand_fp_movcc)
5414
5415         * reg-stack.c (emit_pop_insn): Handle complex modes.
5416         (move_for_stack_reg): Emit proper move mode.
5417         (subst_stack_regs_pat): Handle complex modes.
5418
5419 2001-04-11  Jakub Jelinek  <jakub@redhat.com>
5420
5421         * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
5422
5423 2001-04-10  Richard Henderson  <rth@redhat.com>
5424
5425         * libgcc2.h (__terminate_func_ptr): Remove typedef.
5426         (__pure_virtual, __terminate, __terminate_set_func,
5427         __default_terminate, __throw_type_match, __empty,
5428         __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
5429         __eh_rtime_match, __unwinding_cleanup, __rethrow,
5430         __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
5431         Remove prototypes of deleted functions.
5432
5433 2001-04-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5434
5435         * c-typeck.c (convert_arguments): -Wtraditional now activates
5436         -Wconversion warnings, except for changes in signed-ness.
5437         Detect complex<->int & int<->complex conversions as well.
5438
5439         * invoke.texi (-Wtraditional): Document it.
5440
5441 Tue Apr 10 17:45:50 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5442
5443         * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
5444         * flow.c (set_block_for_new_insns): Remove needless cast and
5445         properly check for unset block number.
5446
5447 2001-04-10  Andrew MacLeod  <amacleod@redhat.com>
5448
5449         * function.c (purge_single_hard_subreg_set): Only check REGNO if
5450         the subreg was a hard register. Pseudos are left as subregs.
5451
5452 2001-04-09  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
5453
5454         * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
5455         (LIB2ADD_ST): New macro, pass it to mklibgcc.
5456         * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
5457         (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
5458         * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
5459
5460 2001-04-09  Bo Thorsen  <bo@suse.co.uk>
5461
5462         * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
5463
5464 2001-04-09  Andrew MacLeod  <amacleod@redhat.com>
5465
5466         * output.h (set_block_num): Missed it earlier, remove deprecated
5467         prototype.
5468
5469 2001-04-09  Andrew MacLeod  <amacleod@redhat.com>
5470
5471         * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
5472         (load_killed_in_block_p): Change bb parameter from int to basic_block.
5473         (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
5474         (handle_rd_kill_set): Change bb parameter from int to basic_block.
5475         (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
5476         (expr_killed_p): Change bb parameter from int to basic_block, pass
5477         basic_blocks instead of ints as parameters.
5478         (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
5479         (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
5480         from int to basic_block, pass basic_blocks instead of ints as parms.
5481         (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
5482         parameter from int to basic_block, pass basic_blocks instead of ints.
5483         (process_insert_insn): Pass basic_blocks instead of ints as parameters.
5484         (insert_insn_end_bb): Change bb parameter from int to basic_block,
5485         pass basic_blocks instead of ints.
5486         (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
5487         basic_blocks instead of ints as parameters.
5488         (pre_delete): Pass basic_blocks instead of ints as parameters.
5489         (hoist_expr_reaches_here_p): Change bb parameter from int to
5490         basic_block, pass basic_blocks instead of ints.
5491         (hoist_code): Pass basic_blocks instead of ints as parameters.
5492         (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
5493         Change bb parameter from int to basic_block.
5494         (build_store_vectors): Pass basic_blocks instead of ints as parameters.
5495         (insert_insn_start_bb): Change bb parameter from int to basic_block,
5496         pass basic_blocks instead of ints.
5497         (insert_store): Pass basic_blocks instead of ints as parameters.
5498         (replace_store_insn, delete_store): Change bb parameter from int to
5499         basic_block, pass basic_blocks instead of ints.
5500         (store_motion): Pass basic_blocks instead of ints as parameters.
5501
5502 2001-04-09  Andrew MacLeod  <amacleod@redhat.com>
5503
5504         * basic-block.h (set_new_block_for_insns): New Prototype.
5505         (set_block_num): Delete prototype.
5506         * flow.c (set_block_num): Remove obsolete function.
5507         (set_block_for_new_insns): Set BB for single or multiple insns.
5508         * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
5509         (process_insn_end_bb): Use set_block_for_new_insns or
5510         set_block_for_insn instead of set_block_num.
5511         (pre_insert_copy_insn): Use set_block_for_new_insns.
5512         (update_ld_motion_stores): Use set_block_for_new_insns.
5513         (insert_insn_start_bb): Use set_block_for_new_insns.
5514         (replace_store_insn): Use set_block_for_new_insns.
5515
5516 2001-04-09  Andrew MacLeod  <amacleod@redhat.com>
5517             Jeff Law  <law@redhat.com>
5518
5519         * alias.c (get_addr): Externalize.
5520         (canon_true_dependence): New function. Behaves like true_dependance
5521         except it already assumes a MEM has been canonicalized.
5522         * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
5523         * gcse.c (struct ls_expr): Add load/store expressions structure.
5524         (modify_mem_list, canon_modify_mem_list): New variable.
5525         (gcse_main): Initialize & finalize alias analysis. Use enhanced
5526         load motion and store motion if requested.
5527         (alloc_gcse_mem): Allocate space for modify_mem_list array.
5528         (free_gcse_mem): Free the modify_mem_list array.
5529         (oprs_unchanged_p): Use load_killed_in_block_p.
5530         (gcse_mems_conflict_p, gcse_mem_operand): New variables.
5531         (mems_conflict_for_gcse_p): New function.  Don't kill loads
5532         with stores to themselves if its in the load/store expression list.
5533         (load_killed_in_block_p): New function.
5534         (canon_list_insert): New Function.
5535         (record_last_mem_set_info): Keep a list of all instructions which
5536         can modify memory for each basic block.
5537         (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
5538         (oprs_not_set_p): Use load_killed_in_block_p.
5539         (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
5540         (expr_killed_p): Use load_killed_in_block_p.
5541         (compute_transp): Do not pessimize memory references.
5542         (pre_edge_insert): Update stores for a load motion expression.
5543         (one_pre_gcse_pass): Check loads/stores for extra load motion.
5544         (ldst_entry): Find or create a ldst_expr structure.
5545         (free_ldst_entry): Free memory for an individual item.
5546         (free_ldst_mems): Free entire load/store expression list.
5547         (print_ldst_list): Print debug info.
5548         (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
5549         (enumerate_ldsts): Assign integer values to each entry in list.
5550         (first_ls_expr): First expression in the list.
5551         (next_ls_expr): Next expression in the list.
5552         (simple_mem): Check if expression qualifies for ld/st expression list.
5553         (invalidate_any_buried_refs): Remove from expression list if its
5554         used in some other way we dont understand.
5555         (compute_ld_motion_mems): Find all potential enhanced load motion
5556         expression.
5557         (trim_ld_motion_mems): Remove any expressions which are invalid.
5558         (update_ld_motion_stores): Copy store values to registers for loads
5559         which have been moved.
5560         (regvec, st_antloc, num_store): New global statics.
5561         (reg_set_info): Marks registers as set.
5562         (store_ops_ok): Verfies registers expressions are valid in a block.
5563         (find_moveable_store): Look for moveable stores in a pattern.
5564         (compute_store_table): Find stores in a function worth moving, maybe.
5565         (load_kills_store): Check dependance of a load and store.
5566         (find_loads): Find any loads in a pattern.
5567         (store_killed_in_insn): Check if a store is killed in an insn.
5568         (store_killed_after): Check is store killed after an insn in a block.
5569         (store_killed_before): Check is store killed before an insn in a block.
5570         (build_store_vectors): Generate the antic and avail vectors.
5571         (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
5572         (insert_store): Add a store to an edge.
5573         (replace_store_insn): Replace a store with a SET insn.
5574         (delete_store): Delete a store insn.
5575         (free_store_memory): Free memory.
5576         (store_motion): Perform store motion.
5577         * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
5578         * rtl.h (get_addr, canon_true_dependence): Add prototypes.
5579         * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
5580         (f_options): Add gcse-lm and gcse-sm.
5581
5582 Mon Apr  9 16:18:03 CEST 2001  Jan Hubicka  <jh@suse.cz>
5583
5584         * i386.c (expand_fp_movcc): Fix condition reversal code.
5585
5586         * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
5587         * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
5588         (CLASS_MAX_NREGS): Use it.
5589
5590         * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
5591         handle properly complex values.
5592         (CLASS_MAX_NREGS): Likewise; update comment.
5593
5594 2001-04-05  Bernd Schmidt  <bernds@redhat.com>
5595
5596         * ia64.c (ia64_flag_schedule_insns2): New variable.
5597         (ia64_override_options): Initialize it.  Clear
5598         flag_schedule_insns_after_reload.
5599         (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
5600
5601 Mon Apr  9 15:09:13 CEST 2001  Jan Hubicka  <jh@suse.cz>
5602
5603         * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
5604         Do not require source to match destination anymore;
5605         Add abort to the nontrivial cases that should be handled by split.
5606         (fix_trunc?fdi): Add SSE case for x86_64.
5607         (floatdi?f): Likewise.
5608         (floatdi?f_sse): New.
5609         (fix_trunc?fdi_sse): New.
5610
5611 2001-04-09  Richard Sandiford   <rsandifo@redhat.com>
5612
5613         * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
5614         (DEBUG_ARANGES_END_LABEL): Ditto.
5615         (dwarfout_init): Generate length and version fields at the start
5616         of the .debug_aranges info.  Insert DEBUG_ARANGES_BEGIN_LABEL
5617         after the length field.
5618         (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
5619         the .debug_aranges info.
5620
5621 Sun Apr  8 00:43:27 CEST 2001  Jan Hubicka  <jh@suse.cz>
5622
5623         * i386.c (call, call_value): Make sure that resulting call_insn
5624         does have proper second operand.
5625
5626 Sun Apr  8 22:50:49 2001  Christopher Faylor <cgf@cygnus.com>
5627
5628         * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
5629         function.  Remove include of sys/cygwin.h.
5630
5631 Sun Apr  8 22:20:27 2001  Christopher Faylor <cgf@cygnus.com>
5632
5633         * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
5634         (CPP_SPEC): Always search */include/w32api for header files.
5635         (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
5636         (LINK_SPEC): Add "cyg" to the library search prefixes.
5637
5638 2001-04-08  Philip Blundell  <philb@gnu.org>
5639
5640         * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
5641
5642 2001-04-08  Neil Booth  <neil@daikokuya.demon.co.uk>
5643
5644         * cpperror.c (print_location): Don't special case <stdin>.
5645         (_cpp_begin_message): Handle WARNING_SYSHDR the same as
5646         WARNING, but we don't check if we're in system headers.
5647         * cpplib.h (enum error_type): WARNING_SYSHDR: New.
5648         * cpplib.c (do_warning): Warn in system headers.
5649
5650 2001-04-07  Mumit Khan <khan@NanoTech.Wisc.EDU>
5651
5652         * mbchar.c: Include config.h first.
5653
5654 2001-04-07  Zack Weinberg  <zackw@stanford.edu>
5655
5656         * config.gcc: Set default for xmake_file at top, not bottom.
5657         Change places that set xmake_file to "none" to set to the
5658         empty string instead, or remove them entirely if there is no
5659         default xmake_file for this cpu_type.  Remove references to
5660         deleted files.
5661
5662         * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
5663         config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
5664         config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
5665         config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
5666         config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
5667         config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
5668         config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
5669         config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
5670         config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
5671         config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
5672         Delete.
5673
5674         * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
5675         config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
5676         config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
5677         config/mips/x-sysv, config/rs6000/x-aix31:
5678         Just set CLIB to -lld or -lmld, as appropriate.
5679
5680         * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
5681         config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
5682         config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
5683         config/mips/x-iris, config/pa/x-pa:
5684         Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
5685         OTHER_FIXINCLUDES_DIRS.
5686
5687         * config/i386/x-djgpp: Don't set LN or LN_S.
5688         * config/m88k/x-dolph: Don't define __m88k__.
5689         * config/m88k/x-tekXD88: Don't set AR_FLAGS.
5690         * config/pa/x-pa-mpeix: Just set up quadlib.asm.
5691         * config/i860/fx2800.h: No need to #undef SVR4.
5692
5693         38 x-host fragments remain, 2 x-cpu.
5694
5695 2001-04-07  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5696
5697         * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
5698
5699 2001-04-06  Neil Booth  <neil@daikokuya.demon.co.uk>
5700
5701         * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
5702
5703 2001-04-06  Neil Booth  <neil@daikokuya.demon.co.uk>
5704
5705         * configure.in: Add check for lstat.
5706         * configure, config.in: Regenerate.
5707         * cppinit.c (append_include_chain): Make empty path ".".
5708         * cpplib.c (do_line): Don't simplify #line paths.
5709         * cppfiles.c (remove_component_p): New function.
5710         (find_or_create_entry): Acknowledge stat () errors during
5711         path simplification.
5712         (handle_missing_header): Don't simplify paths.
5713         (_cpp_simplify_pathname): Don't simplify VMS paths.  Return
5714         the empty path untouched.  Don't leave a trailing '/'.
5715
5716 2001-04-06  Benjamin Kosnik  <bkoz@redhat.com>
5717
5718         * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5719         * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5720
5721 2001-04-06  Neil Booth  <neil@daikokuya.demon.co.uk>
5722
5723         * cppfiles.c (open_file): Fail directories silently, but
5724         with an errno of NOENT set.
5725         (read_include_file): Move the common exit code to the sole
5726         caller.  Return an int indicating success or failure.  Let
5727         open_file handle directories.
5728         (stack_include_file): If read_include_file fails,
5729         push a "null" buffer.
5730
5731 2001-04-05  DJ Delorie  <dj@redhat.com>
5732
5733         * function.h (virtuals_instantiated): Declare.
5734         * function.c: (virtuals_instantiated): Make global.
5735         * calls.c (emit_library_call_value_1): Use
5736         virtual_outgoing_args_rtx only if it hasn't been instantiated.
5737         Otherwise, use the stack pointer directly.
5738
5739 Thu Apr  5 19:13:33 CEST 2001  Jan Hubicka  <jh@suse.cz>
5740
5741         * i386.c (x86_initialize_trampoline): New global function.
5742         * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
5743         (INITIALIZE_TRAMPOLINE): Move offline.
5744         * i386-protos.h (x86_initialize_trampoline): Declare.
5745
5746 Thu Apr  5 19:02:15 CEST 2001  Jan Hubicka  <jh@suse.cz>
5747
5748         * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
5749         (lea_0): Rename to lea_1.
5750         (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
5751         (lea_general_?): Allow SImodes on TARGET_64BIT
5752         (lea_general_?_zext): New patterns.
5753         (call_1, call_1_rex64): Fix.
5754
5755 Thu Apr  5 19:00:15 CEST 2001  Jan Hubicka  <jh@suse.cz>
5756
5757         * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
5758
5759 Thu Apr  5 18:25:56 CEST 2001  Jan Hubicka  <jh@suse.cz>
5760
5761         * i386.c (function_arg): Return constm1_rtx for last argument.
5762         (ix86_expand_prologue): Update gen_call calls.
5763         * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
5764         * i386.md (call_pop): Likewise.
5765         (call): Second operand is VOIDmode.
5766         (call_0): Likewise; Support 64bits.
5767         (call_exp): New expander.
5768         (call_1): Get to the sync.
5769         (call_1_exp): New pattern.
5770         (call_value): Support 64bit.
5771         (call_value_exp): New pattern.
5772         (untyped_call): Update gen_call call.
5773         (call_value_pop): Disable for 64bit.
5774         (call_value_0_rex64): New pattern.
5775         (call_value_1_rex64): Likewise.
5776
5777 2001-04-05  Bo Thorsen  <bo@suse.de>
5778
5779         * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
5780
5781 Thu Apr  5 13:44:17 2001  J"orn Rennecke <amylaar@redhat.com>
5782
5783         * i386.md (*andsi_1+3): If used after reload, make sure the operand
5784         satisfies ANY_QI_REG_P.
5785
5786 2001-04-05  Bernd Schmidt  <bernds@redhat.com>
5787
5788         * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
5789         ASM_OPERAND.
5790
5791         * sched-deps.c (sched_analyze_insn): Revert more of the March 27
5792         change.
5793
5794 2001-04-04  Zack Weinberg  <zackw@stanford.edu>
5795
5796         * config.gcc: Remove default for xm_file.  Clean up local
5797         machine type handling.  Remove settings of xm_file to
5798         something that doesn't exist.  In the big switch, set xm_file,
5799         don't append to it (the value before the big switch is always
5800         null).  Don't force build_xm_file or host_xm_file to have a value.
5801         * configure.in: Remove default for xm_file.  Do not special
5802         case $cpu/xm-$cpu.h not existing.
5803         * configure: Regenerate.
5804
5805 2001-04-04  Diego Novillo  <dnovillo@redhat.com>
5806
5807         * simplify-rtx.c (simplify_binary_operation): Check for overflow
5808         when folding integer division and modulo operations.
5809
5810 2001-04-04  Andrew MacLeod  <amacleod@redhat.com>
5811
5812         * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
5813         instead of DWARF2_ADDR_SIZE for EH addresses.
5814         (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
5815         EH addresses.
5816
5817 2001-04-04  Richard Henderson  <rth@redhat.com>
5818
5819         * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
5820         * config/ia64/t-glibc (LIB2ADDEH): Disable.
5821         * config/ia64/t-ia64 (LIB2ADDEH): Disable.
5822
5823 2001-04-04  Richard Henderson  <rth@redhat.com>
5824
5825         * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
5826         * configure: Rebuilt.
5827
5828 2001-04-04  Jakub Jelinek  <jakub@redhat.com>
5829
5830         * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
5831         push insns to delete to it instead of deleting them.
5832         (delete_null_pointer_checks): Delete insns from delete_list after
5833         all delete_null_pointer_checks_1 passes are done.
5834
5835 2001-04-04  Richard Henderson  <rth@redhat.com>
5836
5837         * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
5838         * configure: Rebuilt.
5839
5840 2001-04-04  Zack Weinberg  <zackw@stanford.edu>
5841
5842         * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
5843         * config/romp/xm-romp.h: Delete.
5844
5845 2001-04-04  Bernd Schmidt  <bernds@redhat.com>
5846
5847         * sched-deps.c (sched_analyze_insn): Partially revert March 27
5848         change.
5849
5850 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5851
5852         * emit-rtl.c (mark_label_nuses) Increment the label uses for
5853         all labels present in rtx.
5854         (try_split) Call new function for all split insns.
5855
5856 2001-04-04  Jakub Jelinek  <jakub@redhat.com>
5857
5858         * recog.c (validate_replace_rtx_1): Instead of aborting just make
5859         sure the change won't be validated.
5860
5861 Wed Apr  4 00:45:38 EDT 2001  John Wehle  (john@feith.com)
5862
5863         * rtl.h (set_noop_p): Declare.
5864         * flow.c (set_noop_p): Move from here ...
5865         * rtlanal.c (set_noop_p): ... to here and enhance.
5866         * cse.c (delete_trivially_dead_insns): Use it.
5867         * gcse.c (hash_scan_set): Likewise.
5868         * jump.c (delete_noop_moves): Likewise.
5869         * recog.c (split_all_insns): Likewise.
5870
5871 2001-04-04  Alan Modra  <alan@linuxcare.com.au>
5872
5873         * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
5874         stack pointer via a LO_SUM.  Ditto for setting a temp register
5875         used to save to the stack.  Set cfa_temp when setting fp, and
5876         allow matches to cfa_temp in addition to cfa_store when saving
5877         regs.  Handle POST_INC and LO_SUM register stores.  Document the
5878         changes and errors in rule 12 doco.
5879
5880         * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
5881         (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
5882         (load_reg): Move closer to epilogue code.
5883         (DO_FRAME_NOTES): Define to control the following..
5884         (FRP): Define to set RTX_FRAME_RELATED_P on insns.
5885         (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
5886         notes as necessary.
5887         (hppa_expand_epilogue): Likewise.
5888
5889 2001-04-03  Richard Henderson  <rth@redhat.com>
5890
5891         * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
5892         * configure: Rebuild.
5893
5894 2001-04-03  Richard Henderson  <rth@redhat.com>
5895
5896         * rtl.h (LCT_THROW): New.
5897         * calls.c (emit_library_call_value_1): Handle it.
5898         * except.c (connect_post_landing_pads): Use it.
5899
5900 2001-04-03  Zack Weinberg  <zackw@stanford.edu>
5901
5902         * gansidecl.h: Delete file.
5903         * configure.in: Change all refs to gansidecl.h to use
5904         ansidecl.h.  Adjust *_file_list so they know where ansidecl.h
5905         lives.
5906         * configure: Regenerate.
5907
5908         * Makefile.in (intl.o): Don't depend on gansidecl.h.
5909         * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
5910         * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
5911         Don't include gansidecl.h.
5912         * intl.c, main.c, version.c, fixinc/fixlib.h,
5913         fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
5914         gansidecl.h.
5915
5916 Tue Apr  3 19:41:21 CEST 2001  Jan Hubicka  <jh@suse.cz>
5917
5918         * i386.c (ix86_force_to_memory, ix86_free_from_memory):
5919         Update for 64bit.
5920
5921 2001-04-03  Zack Weinberg  <zackw@stanford.edu>
5922
5923         * config/i386/xm-beos.h, config/i386/xm-isc.h,
5924         config/i386/xm-next.h, config/i386/xm-sco.h,
5925         config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
5926         config/m88k/xm-m88k.h: Delete.
5927
5928         * config/i386/xm-djgpp.h: Don't define __MSDOS__.
5929         * config/romp/xm-romp.h: Don't define bcopy.
5930         * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
5931         HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
5932
5933         * config.gcc: Remove references to deleted files.
5934
5935         14 xm-host.h remain, 1 xm-cpu.h.
5936
5937 2001-04-03  Jakub Jelinek  <jakub@redhat.com>
5938             David S. Miller  <davem@pierdol.cobaltmicro.com>
5939             Andrew MacLeod  <amacleod@redhat.com>
5940
5941         Use byte offsets in SUBREGs instead of words.
5942
5943         * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
5944         * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
5945         to pass new argument.
5946         (add_stored_regs): Use subreg_regno_offset function.
5947         * calls.c (expand_call): For non-paradoxical SUBREG take endianess
5948         into account.
5949         (precompute_arguments): Use gen_lowpart_SUBREG.
5950         * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
5951         (combine_simplify_rtx): Rework to use SUBREG_BYTE.
5952         (simplify_set): Rework to use SUBREG_BYTE.
5953         (expand_field_assignment): Use SUBREG_BYTE.
5954         (make_extraction): Use SUBREG_BYTE.
5955         (if_then_else_cond): Use SUBREG_BYTE.
5956         (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
5957         (gen_lowpart_for_combine): Compute full byte offset.
5958         * cse.c (mention_regs): Use SUBREG_BYTE.
5959         (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
5960         (canon_hash): Use SUBREG_BYTE.
5961         (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
5962         (gen_lowpart_if_possible): Formatting.
5963         * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
5964         correctly.
5965         * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5966         (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5967         (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5968         * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5969         (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5970         (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5971         * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
5972         certain invariants about SUBREGs the compiler creates.
5973         (gen_lowpart_SUBREG): New function.
5974         (subreg_hard_regno): New function to get the final register number.
5975         (gen_lowpart_common): Use SUBREG_BYTE.
5976         (gen_imagpart): Spacing nits.
5977         (subreg_realpart_p): Use SUBREG_BYTE.
5978         (gen_highpart): Use SUBREG_BYTE.
5979         (subreg_lowpart_p): Always compute endian corrected goal offset,
5980         even at the byte level, then compare against that.
5981         (constant_subword): New function, pulled out all constant cases
5982         from operand_subword and changed second argument name to offset.
5983         (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
5984         and call constant_subword to do the work.  Return const0_rtx if
5985         looking for a word outside of OP.
5986         (operand_subword_force): Change second arg name to offset.
5987         * expmed.c (store_bit_field): Use SUBREG_BYTE.
5988         (store_split_bit_field): Use SUBREG_BYTE.
5989         (extract_bit_field): Use SUBREG_BYTE.
5990         (extract_split_bit_field): Use SUBREG_BYTE.
5991         (expand_shift): Use SUBREG_BYTE.
5992         * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
5993         * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
5994         * flow.c (set_noop_p): Use SUBREG_BYTE.
5995         (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
5996         * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
5997         (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
5998         correction code.
5999         (optimize_bit_field): Use SUBREG_BYTE.
6000         (purge_addressof_1): Use SUBREG_BYTE.
6001         (purge_single_hard_subreg_set): Use subreg_regno_offset function.
6002         (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
6003         actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
6004         * gengenrtl.c (special_rtx): Add SUBREG.
6005         * global.c (mark_reg_store): Use SUBREG_BYTE.
6006         (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
6007         * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
6008         * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
6009         final byte offset is congruent to subreg's mode size.
6010         (subst_constants): Use SUBREG_BYTE.
6011         (mark_stores): Use subreg_regno_offset function.
6012         * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
6013         function and SUBREG_BYTE.
6014         * local-alloc.c (combine_regs): Use subreg_regno_offset function.
6015         (reg_is_born): Use subreg_hard_regno.
6016         * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
6017         endian correction code.  Don't combine subregs unless resulting
6018         offset aligns with type.  Fix subreg constant extraction for DImode.
6019         Simplify SUBREG of VOIDmode CONST_DOUBLE.
6020         (general_operand): Remove dead mode_altering_drug code.
6021         (indirect_operand): Use SUBREG_BYTE.
6022         (constrain_operands): Use subreg_regno_offset function.
6023         * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
6024         * regmove.c (regmove_optimize): Use SUBREG_BYTE.
6025         (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
6026         * regs.h (REG_SIZE): Allow target to override.
6027         (REGMODE_NATURAL_SIZE): New macro which target can override.
6028         * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
6029         on the entire subreg rtx.
6030         (push_reload): Use SUBREG_BYTE in comments and code.
6031         (find_dummy_reload): Use subreg_regno_offset.  Only adjust offsets
6032         for hard registers inside subregs.
6033         (operands_match_p): Use subreg_regno_offset.
6034         (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
6035         containing hard regs.
6036         (find_reload_toplev): Use SUBREG_BYTE.  Remove byte endian
6037         corrections when fixing up MEM subregs.
6038         (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
6039         subreg_regno_offset where appropriate.
6040         (find_reloads_subreg_address): Use SUBREG_BYTE.  Remove
6041         byte endian corrections when fixing up MEM subregs.
6042         (subst_reloads): When combining two subregs, make sure final
6043         offset is congruent to subreg's mode size.
6044         (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
6045         (refers_to_regno_for_reload_p): Use subreg_regno.
6046         (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
6047         * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
6048         correction code for memory subreg fixups.
6049         (forget_old_reload_1): Use subreg_regno_offset.
6050         (choose_reload_regs): Use subreg_regno.
6051         (emit_input_reload_insns): Use SUBREG_BYTE.
6052         (reload_combine_note_store): Use subreg_regno_offset.
6053         (move2add_note_store): Use subreg_regno_offset.
6054         * resource.c (update_live_status, mark_referenced_resources): Use
6055         subreg_regno function.
6056         (mark_set_resources): Use subreg_regno function.
6057         * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
6058         (subreg_regno_offset, subreg_regno): Define prototypes.
6059         (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
6060         (gen_lowpart_SUBREG): Add prototype.
6061         * rtl.texi (subreg): Update to reflect new byte offset representation.
6062         Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
6063         * rtlanal.c (refers_to_regno_p): Use subreg_regno.
6064         (reg_overlap_mentioned_p): Use subreg_regno.
6065         (replace_regs); Make sure final offset of combined subreg is
6066         congruent to size of subreg's mode.
6067         (subreg_regno_offset): New function.
6068         (subreg_regno): New function.
6069         * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
6070         * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
6071         * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
6072         * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
6073         (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
6074         * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
6075         (a29k_get_reloaded_address): Use SUBREG_BYTE.
6076         (print_operand): Use SUBREG_BYTE.
6077         * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
6078         * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
6079         (arm_reload_out_hi): Use SUBREG_BYTE.
6080         * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
6081         instead of SUBREG_WORD.
6082         (d30v_print_operand_memory_reference): Use subreg_regno_offset.
6083         * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
6084         SUBREG creation to use byte offset.
6085         * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
6086         inverted load insns): Fix explicit rtl subregs to use byte
6087         offsets.
6088         * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
6089         udivsi3, umodsi3): Generate SUBREGs with byte offsets.
6090         * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
6091         * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
6092         to use byte offsets.
6093         (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
6094         * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
6095         offsets, also make sure it is congruent to SUBREG's mode size.
6096         (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
6097         unnamed ldob insn): Generate SUBREGs with byte offset.
6098         (zero_extendqihi2): SUBREG's are byte offsets.
6099         * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
6100         (m68hc11_gen_highpart): Use SUBREG_BYTE.
6101         * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
6102         zero-extendqisi2): Generate SUBREGs with byte offset.
6103         (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
6104         subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
6105         subregs in rtl to use byte offsets.
6106         * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
6107         * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
6108         (mips_move_2words): Use subreg_regno_offset.
6109         (mips_secondary_reload_class): Use subreg_regno_offset.
6110         * config/mips/mips.md (DImode plus, minus, move, and logical op
6111         splits): Fixup explicit subregs in rtl to use byte offsets.
6112         * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
6113         * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
6114         * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
6115         rtl to use byte offsets.
6116         * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
6117         * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
6118         subregs to use byte offsets.
6119         * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
6120         Fixup explicit subregs in rtl to use byte offsets.
6121         * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
6122         and remove byte endian correction code.
6123         * config/sh/sh.c (output_movedouble): Use subreg_regno.
6124         (gen_ashift_hi): Use SUBREG_BYTE.
6125         (regs_used): Use subreg_regno_offset.
6126         (machine_dependent_reorg): Use subreg_regno_offset.
6127         * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
6128         * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
6129         (movdf_i4): Subregs are byte offsets now.
6130         * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
6131         * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
6132         (REGMODE_NATURAL_SIZE): Override.
6133         (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
6134         * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
6135         with byte offsets.
6136         (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
6137         extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
6138         extendqidi2): Generate SUBREGs with byte offsets, also make sure
6139         it is congruent to SUBREG's mode size.
6140         (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
6141         offsets.
6142         (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
6143         cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
6144         lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
6145         SUBREG_BYTE offset for non-paradoxical subregs in patterns.
6146         * config/v850/v850.c (print_operand, output_move_double): Use
6147         subreg_regno function.
6148
6149 2001-04-03  Alexandre Oliva  <aoliva@redhat.com>
6150
6151         * configure.in (target_subdir): Use target_alias, not target.
6152         * configure: Rebuilt.
6153
6154         * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
6155         other way round.
6156         * config/sh/crti.asm: Fix typos in comments.
6157
6158 2001-04-03  Alan Modra  <alan@linuxcare.com.au>
6159
6160         * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
6161         TARGET_FAST_INDIRECT_CALLS.
6162         * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
6163         -fPIC.  Don't warn.
6164         (return_addr_rtx): Short circuit export stub matching when
6165         TARGET_NO_SPACE_REGS.
6166         (output_millicode_call): For out of range calls, make -fPIC
6167         take precedence, then TARGET_PORTABLE_RUNTIME, then ble.  Don't
6168         return before delay slot checks when TARGET_PORTABLE_RUNTIME.
6169         * pa.md: Modify length attr calculation of all millicode insns to
6170         match above.
6171
6172 2001-04-02  Geoffrey Keating  <geoffk@redhat.com>
6173
6174         * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
6175         Require at least 2.11 in the version test.  Specifically check
6176         for and reject GAS version 2.10.90.
6177         * configure: regenerate.
6178
6179 2001-04-03  Alan Modra  <alan@linuxcare.com.au>
6180
6181         * pa.c (override_options): Remove PIC profiling warning.
6182         (hp_profile_labelno): Delete.
6183         (hp_profile_label_rtx): Delete.
6184         (hp_profile_label_name): Delete.
6185         (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
6186         (output_function_prologue): Remove profiling code and all tests on
6187         profile_flag.  Move store of PIC_OFFSET_TABLE_REGNUM now that
6188         merge_sp_adjust_with_store can work for PIC and profiling.
6189         (hppa_expand_epilogue): Remove profile_flag test.
6190         (hppa_can_use_return_insn_p): Likewise.
6191         (hppa_init_pic_save): Emit before tail_recursion_reentry, and
6192         cater for PROFILE_HOOK.
6193         (hppa_profile_hook): New function.
6194         * pa.h (FUNCTION_PROFILER): Now does nothing.
6195         (PROFILE_HOOK): Define.
6196         (hppa_profile_hook): Declare.
6197         (PROFILE_BEFORE_PROLOGUE): Delete.
6198         (ASM_OUTPUT_REG_PUSH): Delete.
6199         (ASM_OUTPUT_REG_POP): Delete.
6200         * pa.md (call_profiler): Turn it into a call insn, and don't `use'
6201         r24.  Accept function name operand, and use this and a locally
6202         generated label to calculate pc-rel offset to func start.
6203
6204 2001-04-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6205
6206         * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
6207         ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
6208         $(SYSTEM_H).
6209
6210 2001-04-03  Alan Modra  <alan@linuxcare.com.au>
6211
6212         * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
6213         LO_SUM cases to where they belong.
6214
6215 2001-04-02  Richard Henderson  <rth@redhat.com>
6216
6217         * except.h (lang_eh_type_covers): Mark extern.
6218         (lang_eh_runtime_type): Likewise.
6219
6220 2001-04-02  Zack Weinberg  <zackw@stanford.edu>
6221
6222         * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
6223         gengenrtl.c:  Wrap generated header in multiple-include guard.
6224         Improve error checking.
6225
6226 2001-04-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6227
6228         * configure.in: Don't check for putenv.
6229         * configure: Regenerate.
6230         * gcc.c (putenv): Don't define.
6231         * vax/xm-vms.h: Handle putenv.
6232
6233 2001-04-02  Jakub Jelinek  <jakub@redhat.com>
6234
6235         * ifcvt.c (noce_emit_move_insn): New.
6236         (noce_try_store_flag, noce_try_store_flag_constants,
6237         noce_try_store_flag_inc, noce_try_store_flag_mask,
6238         noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
6239         noce_try_abs): Use it.
6240         (noce_process_if_block): Likewise.
6241         For STRICT_LOW_PART, take mode from its SUBREG.
6242
6243 2001-04-02  Jakub Jelinek  <jakub@redhat.com>
6244
6245         * fold-const.c (fold): Before optimizing unsigned comparison with
6246         0x7fffffffU, make sure arg0 is integral type.
6247
6248 2001-04-02  Joseph S. Myers  <jsm28@cam.ac.uk>
6249
6250         * c-tree.texi: Document representation of wide strings.
6251
6252 2001-04-01  Richard Henderson  <rth@redhat.com>
6253
6254         * except.h (expand_builtin_dwarf_fp_regnum): Declare.
6255
6256 Sun Apr  1 11:49:05 CEST 2001  Jan Hubicka  <jH@suse.cz>
6257
6258         * i386.md: remove obsoleted comments.
6259         (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
6260         (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
6261         fix output template.
6262
6263 2001-03-31  Marek Michalkiewicz  <marekm@linux.org.pl>
6264
6265         * config/avr/libgcc.S (__mulhi3): Optimize previous change.
6266
6267 2001-03-30  Bernd Schmidt  <bernds@redhat.com>
6268
6269         * loop.c (load_mems): When generating a load from a pseudo, update
6270         REGNO_LAST_UID.
6271
6272 Fri Mar 30 17:36:43 CEST 2001  Jan Hubicka  <jh@suse.cz>
6273
6274         * i386.c (ix86_split_long_move): Use change address to compensate
6275         stack pointer change in push instruction.
6276
6277 Fri Mar 30 00:31:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
6278
6279         * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
6280         instead of rtx_equal_p; fix the output template.
6281
6282 Fri Mar 30 00:21:41 CEST 2001  Jan Hubicka  <jh@suse.cz>
6283
6284         * i386.c (ix86_expand_setcc): Support 64bit.
6285         (ix86_expand_int_movcc): Likewise.
6286         * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
6287         New patterns.
6288
6289         * i386.md (allocate_stack_worker): Turn to expander.
6290         (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
6291
6292         * i386.c (print_reg): Do not print x86_64 style regs on IA-32
6293
6294 2001-03-29  Richard Henderson  <rth@redhat.com>
6295
6296         * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
6297
6298 2001-03-28  Matthew Hiller  <hiller@redhat.com>
6299
6300         * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
6301         output template.
6302
6303         * MAINTAINERS: Added self.
6304
6305 2001-03-28  Richard Henderson  <rth@redhat.com>
6306
6307         * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
6308         Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
6309
6310 2001-03-28  Jim Wilson  <wilson@redhat.com>
6311
6312         * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
6313         operand_subword.
6314
6315 2001-03-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6316
6317         * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
6318
6319         * tradcif.y (yyerror): Likewise.  Add format specifier in call to
6320         `error'.
6321
6322         * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
6323
6324 2001-03-28  DJ Delorie  <dj@redhat.com>
6325
6326         * Makefile.in (stage1_build): Revert CFLAGS patch.
6327
6328 2001-03-28  Marek Michalkiewicz  <marekm@linux.org.pl>
6329
6330         * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
6331         when multiplier or multiplicand is zero.
6332
6333 2001-03-28  Bernd Schmidt  <bernds@redhat.com>
6334
6335         * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
6336
6337         * config/ia64/ia64.c (update_set_flags): New function, broken out of
6338         rtx_needs_barrier.
6339         (set_src_needs_barrier): Likewise.
6340         (rtx_needs_barrier): For SET case, use these two functions.  Rework
6341         PARALLEL case to handle all inputs before all outputs.
6342         (emit_insn_group_barriers): Call init_insn_group_barriers only if we
6343         saw a label and no stop bit since then.
6344         (maybe_rotate, process_epilogue): Add prototypes.
6345
6346 2001-03-28  Richard Henderson  <rth@redhat.com>
6347
6348         * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
6349         not TARGET_TOC for special toc restore handling.
6350         * config/rs6000/rs6000.md (eh_return): Likewise.
6351
6352 2001-03-28  Richard Henderson  <rth@redhat.com>
6353
6354         * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
6355         current_function_calls_eh_return.
6356         (output_function_epilogue): Handle eh_return.
6357         * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
6358         (EH_RETURN_DATA_REGNO): New.
6359         (EH_RETURN_STACKADJ_RTX): New.
6360         (EH_RETURN_HANDLER_RTX): New.
6361         * config/sparc/sparc.md (call/short branch peepholes): Check
6362         can_throw_internal instead of in_same_eh_region.
6363
6364         * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
6365         for eh_return data registers.
6366         (rs6000_emit_prologue): Save eh_return data registers.
6367         (rs6000_emit_epilogue): Force inline restores if eh_return.
6368         Restore eh_return data registers.  Mind EH_RETURN_STACKADJ_RTX.
6369         * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
6370         (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
6371         (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
6372         the target uses one.
6373         * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
6374         (return_eh_si, return_eh_di): Remove.
6375         (eh_return): New, from corpse of eh_epilogue.
6376         (eh_set_lr_si, eh_set_lr_di): New.
6377
6378         * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
6379         (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
6380         True for pic register if current_function_calls_eh_return.
6381         (ix86_expand_epilogue): Change "emit_return" argument into "style".
6382         Handle eh_return requirements.
6383         * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
6384         (EH_RETURN_STACKADJ_RTX): New.
6385         * config/i386/i386.md (exception_receiver): Remove.
6386         (eh_return, eh_return_1): New.
6387         * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6388
6389         * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
6390         (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
6391         (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
6392         * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
6393         (EH_RETURN_DATA_REGNO): New.
6394         (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
6395         * config/alpha/alpha.md (eh_epilogue): Remove.
6396         (exception_receiver): Use $26 for ldgp input.
6397         * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6398
6399 2001-03-28  Richard Henderson  <rth@redhat.com>
6400
6401         * except.c: Rewrite entirely for IA-64 ABI exception handling.
6402         * except.h: Likewise.
6403
6404         * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
6405         (LIB2ADDEHDEP): New.
6406         (LIB2FUNCS_EH): Remove.
6407         (LIB2ADD): Remove LIB2ADDEH.
6408         (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
6409         (LIBGCC_DEPS): Use LIB2ADDEHDEP.
6410         (crt{begin,end}[S].o): Likewise.
6411         (except.o): Update includes.
6412         * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
6413         (libgcc2_c_dep): Use LIB2ADDEHDEP.
6414
6415         * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
6416         * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
6417         * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
6418         * builtins.c (expand_builtin): Implement it.
6419         [BUILT_IN_EH_RETURN]: Update for nr arguments change.
6420         * c-common.c (c_common_nodes_and_builtins): Declare it.
6421         * c-decl.c (init_decl_processing): Update __builtin_eh_return.
6422         * calls.c (libfunc_nothrow): Remove.
6423         (emit_library_call_value_1): Don't call it.
6424         * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
6425         * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
6426         (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
6427         * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
6428         (current_funcdef_number): Globalize.
6429         (output_call_frame_info): Emit frame data if an lsda is needed.
6430         Generate augmentation for personality routine.  Don't play with
6431         difference symbols.
6432         (dwarf2out_begin_prologue): Record funcdef_number.
6433         * dwarf2out.h (current_funcdef_number): Declare.
6434         * expr.c (expand_expr): Update for except.h name changes.
6435         Remove POPDCC_EXPR, POPDHC_EXPR.  Add EXC_PTR_EXPR.
6436         * expr.h (LTI_throw, LTI_rethrow): Remove.
6437         (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
6438         (LTI_eh_rtime_match): Remove.
6439         (LTI_unwind_resume, LTI_eh_personality): Add.
6440         (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
6441         * final.c (final): Don't call check_exception_handler_labels,
6442         init_insn_eh_region, or free_insn_eh_region.
6443         (final_scan_insn): Always emit debug labels for
6444         NOTE_INSN_EH_REGION notes.
6445         * flags.h (flag_new_exceptions): Remove.
6446         * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
6447         (record_active_eh_regions): Remove.
6448         (count_basic_blocks): Check all instructions for REG_EH_REGION.
6449         Use can_throw_internal.
6450         (find_basic_blocks_1): Likewise.
6451         (move_stray_eh_region_notes): Remove.
6452         (find_label_refs): No eh_return_stub_label.
6453         (make_edges): Likewise.  No init/free_eh_nesting_info.  Handle RESX.
6454         (make_eh_edge): No eh_nest_info.  Update for reachable_handlers
6455         changes.
6456         (delete_unreachable_blocks): Don't track deleted handlers.
6457         (flow_delete_block): Use maybe_remove_eh_handler.
6458         (delete_eh_regions): Remove.
6459         (merge_blocks): Don't check for eh region match.
6460         (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
6461         EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
6462         (init_propagate_block_info): Disable dead frame store optimization
6463         when current_function_calls_eh_return.
6464         (dump_bb): Don't print eh_beg, eh_end.
6465         * function.c (fixup_var_refs): No catch_clauses.
6466         (expand_function_end): Likewise.  Call expand_eh_return before
6467         the return register use.  Call sjlj_emit_function_exit_after.
6468         (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
6469         * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
6470         * ifcvt.c (dead_or_predicable): Remove eh region check.
6471         * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
6472         Don't check for EH vs parameters.
6473         (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
6474         (expand_inline_function): Call duplicate_eh_regions.
6475         (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
6476         (copy_insn_notes): Remap REG_EH_REGION notes.
6477         (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
6478         * integrate.h (struct inline_remap): Add local_return_label.
6479         * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
6480         check_exception_handler_labels, nor exception_optimize.
6481         (find_cross_jump): No EH region check.
6482         * optabs.c (init_optabs): Update for changed eh libfuncs.
6483         * rtl.def (RESX): New.
6484         * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
6485         * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
6486         checks.  Update for except.h name changes.
6487         (expand_cleanups): Likewise.
6488         (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
6489         * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
6490         (compile_file): Call init_eh before init_optabs.  Don't
6491         output_exception_table here.
6492         (rest_of_compilation): Call convert_from_eh_region_ranges,
6493         convert_to_eh_region_ranges, output_function_exception_table.
6494         Don't emit_eh_context.
6495         * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
6496         (EXC_PTR_EXPR): New.
6497
6498         * md.texi (eh_epilogue): Remove.
6499         (eh_return): Document.
6500         * tm.texi (EH_RETURN_DATA_REGNO): Document.
6501         (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
6502
6503         * eh-common.h: Remove file.
6504         * frame-dwarf2.c, frame.c, frame.h: Remove files.
6505         * libgcc2.c (L_eh): Remove.
6506
6507         * unwind-dw2-fde.c: New file, largely copied from frame.c.
6508         * unwind-dw2-fde.h: New file.
6509         * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
6510         * unwind-sjlj.c, unwind.h, unwind.inc: New files.
6511         * libgcc-std.ver: Update for eh symbols.
6512
6513 2001-03-27  Richard Henderson  <rth@redhat.com>
6514
6515         * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
6516         reduce false positives.
6517         (regmove_optimize): Disable if flag_non_call_exceptions.
6518
6519         * stmt.c (expand_return): Remove always true predicate.
6520         (expand_decl_cleanup_no_eh): Remove dead code.
6521
6522         * sched-deps.c (sched_analyze_insn): Consolidate scheduling
6523         barrier code.  Add a scheduling barrier if a non-call insn
6524         can throw internally.
6525
6526         * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
6527         Auto-inc addresses trap only if their base register does.
6528
6529         * except.c (can_throw_internal): Rename from can_throw.
6530         * except.h, resource.c: Update references.
6531
6532         * integrate.c (copy_insn_list): Use returnjump_p.
6533         (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
6534
6535         * function.h (struct function): Move all boolean valued fields
6536         to single bit fields at the end of the struct.
6537
6538         * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
6539         jump.c, toplev.c:
6540         Rename asynchronous_exceptions to flag_non_call_exceptions.
6541
6542         * gthr-single.h (UNUSED): New.  Distinguish between how C
6543         and C++ mark unused function arguments.  Use throughout.
6544
6545         * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
6546         value to target configuration header.
6547         * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
6548         * config.in, configure: Rebuild.
6549         * except.h (USING_SJLJ_EXCEPTIONS): New.  Define based on
6550         configuration and target defines.
6551         (exceptions_via_longjmp): Remove.
6552         * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
6553         Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
6554
6555         * except.h (flag_non_call_exceptions): Move ...
6556         * flags.h: ... here.
6557
6558         * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
6559         exceptions, put the note on the trapping instruction.
6560
6561         * flags.h (flag_new_exceptions): Remove.
6562         * toplev.c: Don't set it.
6563         * final.c: Don't check it.
6564         * except.c: Provide stub definition.
6565
6566         * flow.c (tidy_fallthru_edges): Don't combine complex edges.
6567         (calculate_global_regs_live): Kill call-clobbered registers
6568         across exception edges.
6569         * reg-stack.c (convert_regs_1): Kill the entire target stack
6570         across non-call exception edges.
6571
6572         * flow.c (cleanup_cfg): Take no argument.
6573         * output.h, sibcall.c, toplev.c: Update all calls.
6574
6575 2001-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6576
6577         * configure.in: Don't check for bcopy.
6578         * configure, config.in: Regenerate.
6579
6580         * system.h: Don't define or prototype bcopy, instead poison it.
6581
6582 2001-03-27  Richard Henderson  <rth@redhat.com>
6583
6584         * function.c (expand_function_start): Set DECL_REGISTER on
6585         a pseudo used for DECL_RESULT.
6586
6587         * rtl.h (LCT_NORETURN): New.
6588         * calls.c (emit_library_call_value_1): Handle it.
6589
6590 2001-03-27  Stan Shebs  <shebs@apple.com>
6591
6592         * objc/objc-act.c (objc_init): Use dump_base_name.
6593         (gen_declaration): Clear the buffer arg.
6594         (gen_declaration_1): New function, body of gen_declaration.
6595         (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
6596         (gen_method_decl): Ditto, plus always clear buffer arg.
6597         (error_with_ivar): Simplify.
6598         (warn_with_method): Ditto.
6599         (build_message_expr): Don't clear buffers.
6600         (dump_interface): Ditto.
6601         (objc_debug): Ditto.
6602         (build_keyword_selector): Clear the buffer by only zeroing
6603         the first element.
6604         (objc_implementation_context): Declare.
6605         (start_class): Warn about missing @end.
6606         (finish_objc): Ditto.
6607
6608 2001-03-28  John David Anglin  <dave@hiauly1.hia.nrc.ca>
6609
6610         * reload1.c (eliminate_regs): Don't abort on MEM USEs.
6611
6612 2001-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6613
6614         * Makefile.in (SYSTEM_H): Define.
6615         Depend on $(SYSTEM_H), not system.h.
6616
6617         * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
6618
6619 2001-03-27  Jim Wilson  <wilson@redhat.com>
6620
6621         * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
6622         IA64_UNWIND_EMIT.
6623         * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
6624         (process_epilogue): New static function.
6625         (process_set): Call process_epilogue instead of emitting .restore
6626         directly.
6627         (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
6628
6629         * flow.c (struct reg_cond_life_info): New fields orig_condition
6630         and stores.
6631         (init_propagate_block_info): Set new fields.
6632         (mark_regno_cond_dead): Set and use new fields.
6633         (flush_reg_cond_reg_1): Likewise.
6634         (and_reg_cond, case AND): Check for redundant AND conditions.
6635         (mark_used_reg): Delete unnecessary clears before freeing splay trees.
6636         Set new fields.
6637
6638 2001-03-27  Neil Booth  <neil@daikokuya.demon.co.uk>
6639
6640         * cppmacro.c (stringify_arg): Null terminate strings.
6641
6642 2001-03-27  Zack Weinberg  <zackw@stanford.edu>
6643
6644         * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
6645         inclusion style.  xm-m68hc11.h no longer exists.
6646         * config/m68hc11/xm-m68hc11.h: Delete file.
6647         * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
6648
6649         * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
6650         Don't define GCC_VERSION, N_, or PARAMS; don't include
6651         gansidecl.h or stdio.h.  Define inhibit_libc here.
6652         Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6653         Delete code conditioned on #if GCC_VERSION == 2095.
6654
6655         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
6656         Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6657         Delete code conditioned on #if GCC_VERSION == 2095.
6658
6659 2001-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6660
6661         * system.h: Include symcat.h.
6662         (STRINGIFY): Don't define.
6663
6664         * configure.in: Adjust comment.
6665
6666         * builtins.c: Use STRINGX, not STRINGIFY.
6667         * gencheck.c: Likewise.
6668         * gengenrtl.c: Likewise.
6669         * protoize.c: Likewise.
6670
6671         * cpplex.c: Don't include symcat.h.
6672         * cpplib.c: Likewise.
6673
6674         * gansidecl.h (HAVE_STRINGIZE): Don't define.
6675
6676 2001-03-27  Alan Modra  <alan@linuxcare.com.au>
6677
6678         * c-typeck.c (digest_init): Fold init expression.
6679
6680 2001-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6681
6682         * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
6683
6684 2001-03-27  Alan Modra  <alan@linuxcare.com.au>
6685
6686         * except.c (eh_regs): Save results of build_pointer_type to a temp
6687         as FUNCTION_VALUE macro may evaluate its args multiple times.
6688
6689 2001-03-26  Mark Mitchell  <mark@codesourcery.com>
6690
6691         * c-common.h (DECL_NUM_STMTS): New macro.
6692         * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
6693         DECL_FRAME_SIZE.
6694         (pushdecl): Likewise.
6695         * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
6696         * integrate.c (expand_inline_function): Don't check
6697         DECL_FRAME_SIZE.
6698         * print-tree.c (print_node): Don't print it.
6699         * toplev.c (rest_of_compilation): Don't try to inline when
6700         flag_no_inline is on.
6701         * tree.h (DECL_FRAME_SIZE): Remove.
6702         (tree_decl): Adjust accordingly.
6703
6704 2001-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6705
6706         * combine.c (try_combine): Use memcpy, not bcopy.
6707
6708         * genattrtab.c (expand_units): Likewise.
6709
6710 Mon Mar 26 15:55:08 CEST 2001  Jan Hubicka  <jh@suse.cz>
6711
6712         * i386.md (push mem DI peep2): New.
6713         (mov 0, mov -1 peep2): Handle 64bit.
6714         (lea to arithmetics peep2): Handle 64bit leas.
6715         (rsp arithmetics to push/pop peep2s): New.
6716
6717         * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
6718
6719 Mon Mar 26 14:35:18 CEST 2001  Jan Hubicka  <jh@suse.cz>
6720
6721         * i386.c (struct machine_function): Add save_varrargs_registers.
6722         (ix86_save_varrargs_registers): New macro.
6723         (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
6724         (ix86_expand_prologue): Likewise.
6725         (ix86_emit_epilogue_esp_adjustement): Likewise.
6726         (ix86_expand_epilogue): Likewise.
6727         * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
6728         (pro_epilogue_adjust_stack_1): New insn.
6729         (pro_epilogue_adjust_stack_rex64): Likewise.
6730         * i386.h (MASK_NO_RED_ZONE): New constant.
6731         (TARGET_RED_ZONE): New macro.
6732         (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
6733         (RED_ZONE_SIZE): New constant.
6734         (RED_ZONE_RESERVE): New constant.
6735
6736 2001-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6737
6738         * toplev.c (set_float_handler): Use memcpy, not bcopy.
6739
6740 2001-03-25  Kazu Hirata  <kazu@hxi.com>
6741
6742         * config/h8300/h8300.md (umodqi3): Output a tab instead of a
6743         space.
6744         (modqi3): Likewise.
6745         (umodhi3): Likewise.
6746         (modhi3): Likewise.
6747
6748 2001-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6749
6750         * mkconfig.sh (DEFINES): Handle entries with '='.
6751
6752         * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
6753         Set xm_defines to MACRO=value instead.
6754
6755         * i370/xm-mvs.h: Delete.
6756
6757         * ns32k/xm-pc532-min.h: Likewise.
6758
6759 Sun Mar 25 15:01:40 CEST 2001  Jan Hubicka  <jh@suse.cz>
6760
6761         * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
6762         shiftdi_operand;
6763         use ix86_expand_binary_operator
6764         (?sh??i_?): Disable for 64bit.
6765         * i386.h (PREDICATE_CODES): Add shiftdi_operand.
6766         * i386.c (shiftdi_operand): New predicate.
6767
6768         * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
6769         ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
6770         ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
6771         ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
6772         ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
6773         lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
6774         lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
6775         rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
6776         rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
6777         rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
6778         (rotldi3, rotrdi3): New expanders.
6779
6780 Sun Mar 25 14:25:33 CEST 2001  Jan Hubicka  <jh@suse.cz>
6781
6782         * i386.md (movstrsi): Move offline.
6783         (movstrdi): New.
6784         (strmovdi_rex64): New.
6785         (strmov?i): Accept 64bit.
6786         (strmov?i_rex64): New.
6787         (strmov?i_rex_1): New.
6788         (strmov?i_1): Disable for 64bit.
6789         (rep_mov?i_rex64): New.
6790         (rep_mov?i): Disable for 64bit.
6791         (clrstrsi): Move offline.
6792         (strset?i_rex64): New.
6793         (strset?i: Accept 64bit.
6794         (rep_stos?i): Disable for 64bit.
6795         (rep_stos?i_rex64): New.
6796         (strset?i_rex_1): New.
6797         (strset?i_1): Disable for 64bit.
6798         (cmpstrsi): Accept 64bit.
6799         (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
6800         (cmpstrqi_nz_rex_1): New.
6801         (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
6802         (strlensi): Move offline.
6803         (strlendi): New.
6804         (strlenqi_1): Disable for 64bit; fix constraints.
6805         (strlenqi_rex_1): New.
6806         * i386.c (ix86_adjust_counter): New static function.
6807         (ix86_zero_extend_to_Pmode): Likewise.
6808         (ix86_expand_aligntest): Likweise.
6809         (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
6810         (ix86_expand_movstr): New global function.
6811         (ix86_expand_clrstr): New global function.
6812         (ix86_expand_strlen): New global function.
6813         * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
6814         ix86_expand_strlen): Declare.
6815         (ix86_expand_strlensi_unroll_1): Delete.
6816
6817 Sat Mar 24 23:15:19 CET 2001  Jan Hubicka  <jh@suse.cz>
6818
6819         * i386.md (cmpdi): Fix operand predicates.
6820         (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
6821          cmpdi_1_insn_rex64): New patterns.
6822         (adddi3): Turn to expander.
6823         (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
6824         (addsi3_carry_zext): New pattern.
6825         (adddi_?_rex64): New patterns and splitters.
6826         (addsi_?_zext): New patterns.
6827         (subsi3_carry_zext): New pattern.
6828         (subdi_?_rex64): New patterns and splitters.
6829         (iorsi_?_zext): New patterns.
6830         (iordi_?_rex64): New patterns and splitters.
6831         (iorsi_?_zext): New patterns.
6832         (iorsi_?_zext_imm): New patterns.
6833         (xorsi_?_zext): New patterns.
6834         (xordi_?_rex64): New patterns and splitters.
6835         (xorsi_?_zext): New patterns.
6836         (negdi*): New patterns.
6837         (one_cmpldi*): Likewise.
6838         (one_cmplsi*_zext, negsi*_zext): Likewise.
6839         (testqi_ext_3_rex64): New pattern.
6840
6841 Sat Mar 24 21:13:28 CET 2001  Jan Hubicka  <jh@suse.cz>
6842
6843         * i386-protos.h (ix86_split_long_move): Return void.
6844         * i386.c (ix86_split_to_parts): Handle 64bit target.
6845         (ix86_split_long_move): Likewise.
6846         * i386.md (all calls to ix86_split_long_move): Update.
6847
6848 2001-03-23  Richard Henderson  <rth@redhat.com>
6849
6850         * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
6851         to avoid shadowing arguments.
6852
6853 2001-03-23  Jakub Jelinek  <jakub@redhat.com>
6854
6855         * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
6856         to variable names where DECL_NAME is different from
6857         DECL_ASSEMBLER_NAME.
6858
6859 2001-03-23  Jim Wilson  <wilson@redhat.com>
6860
6861         * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
6862         (assemble_alias): Call make_decl_rtl.
6863
6864 Fri Mar 23 16:59:08 2001  J"orn Rennecke <amylaar@redhat.com>
6865
6866         * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
6867
6868 2001-03-23  Bryce McKinlay  <bryce@albatross.co.nz>
6869
6870         * extend.texi: Document the "java_interface" attribute.
6871
6872 2001-03-22  Zack Weinberg  <zackw@stanford.edu>
6873
6874         * mkconfig.sh: Use a subshell with redirected stdout,
6875         instead of closing stdout and confusing commands that run
6876         afterward.  Throw away output of cmp.
6877
6878 2001-03-22  Gordon Sadler  <gbsadler1@lcisp.com>
6879
6880         * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
6881
6882 Thu Mar 22 22:15:59 CET 2001  Jan Hubicka  <jh@suse.cz>
6883
6884         * i386.md (zero_extendsidi2_32): Break out from ...
6885         (zero_extendsidi2): ... here ; turn to expander.
6886         (zero_extendsidi2_rex64): New.
6887         (extendsidi2_32): Break out from ...
6888         (extendsidi2): ... here ; turn to expander.
6889         (extendsidi2_rex64): New.
6890         (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
6891         (trunc?f?f splitters): Add 64bit versions.
6892
6893 Thu Mar 22 21:41:16 CET 2001  Jan Hubicka  <jh@suse.cz>
6894
6895         * i386.md (pushsi, pushsi2_prologue): Disable.
6896         (pushsi2_rex64): New.
6897         (movabs?i_1_rex64, movabs?i_2_rex64): New.
6898         (movqi_ext_1): Disable for 64bit.
6899         (movqi_ext_1_rex64): New.
6900         (pushdi2_rex64): New pattern, peep2s and splitter.
6901         (pushdi2_prologue_rex64): New pattern.
6902         (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
6903         Likewise.
6904         (movdi splitters): Disable for 64bit.
6905         (movdi_1_rex64): New pattern, peep2s and splitters.
6906         (swapdi): New pattern.
6907         (pushsf): Disable for 64bit.
6908         (pushsf_rex64): New pattern and splitter.
6909         (pushdf_nointeger): Disable for 64bit.
6910         (pushdf_integer): Handle the 64bit case.
6911         (pushtf): Likewise; update splitters.
6912
6913 2001-03-22  Richard Henderson  <rth@redhat.com>
6914
6915         * mkconfig.sh: Include insn-flags.h.
6916         * Makefile.in (CONFIG_H): Include insn-flags.h.
6917         (lots of objects): Remove insn-codes.h and insn-flags.h.
6918
6919         * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
6920         integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
6921         regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
6922         avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
6923         dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
6924         i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
6925         m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
6926         mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
6927         pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
6928         v850/v850.c, vax/vax.c:
6929         Don't include insn-flags.h.
6930
6931         * diagnostic.c, expr.h, reload.c, toplev.c:
6932         Don't include insn-codes.h.
6933
6934         * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
6935         final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
6936         c4x/c4x.c, i960/i960.c, mips/mips.c:
6937         Don't include insn-codes.h or insn-flags.h.
6938
6939         * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
6940         or insn-flags.h in the generated code.
6941         * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
6942         (main): Forward declare struct rtx_def.
6943
6944 2001-03-22  Joseph S. Myers  <jsm28@cam.ac.uk>
6945
6946         * invoke.texi (-ffast-math): Remove duplicate line about
6947         __FAST_MATH__.
6948
6949         * gcc.texi: Remove more obsolete documentation of bugs and
6950         installation problems.
6951
6952 2001-03-21  Kazu Hirata  <kazu@hxi.com>
6953
6954         * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
6955         into two parts.
6956
6957 2001-03-20  Jason Merrill  <jason@redhat.com>
6958
6959         * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
6960         not '.' or '$'.
6961         * tree.c (FILE_FUNCTION_FORMAT): Likewise.
6962         * varasm.c (CHKR_PREFIX): Likewise.
6963
6964 Wed Mar 21 14:27:11 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6965
6966         * gcse.c (hash_scan_set): An expression is not anticipatible if it
6967         is part of a multi-SET insn.
6968
6969         * cse.c (find_comparison_args): Remove previous change.
6970         * ifcvt.c (noce_process_if_block): When moving an insn, remove any
6971         REG_EQUAL notes.
6972
6973         * config/i386/i386.md (conditional_trap): Remove warning.
6974
6975         * recog.c (push_operand): Fix error in last change that caused
6976         undefined symbol on many targets.
6977
6978         * sdbout.c: #include ggc.h.
6979         (sdbout_init): Move to end of file.
6980         Call ggc_add_tree_root for anonymous_types.
6981         (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
6982         (sdbout_one_type): Use DECL_NAME for field name.
6983         * Makefile.in (sdbout.o): Show includes ggc.h.
6984
6985 Wed Mar 21 20:33:26 CET 2001  Jan Hubicka  <jh@suse.cz>
6986
6987         * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
6988         (override_options): Use properlimits for preferred_stack_boundary.
6989         (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
6990         on x86_64.
6991         (ext_register_operand): Accept DImode.
6992         (load_pic_register): Abort on 64bit.
6993         (gen_push): Use Pmode instead of SImode.
6994         (ix86_save_reg): Pic reg is never used on 64bit.
6995         (ix86_expand_prologue): Likewise.
6996         (ix86_emit_save_regs): Use Pmode instead of SImode.
6997         (legitimate_address_p): Check displacement for 64bit.
6998         (print_operand): Avoid outputting of (%rip) on 64bit.
6999         (print_operand_address): Output (%rip) where possible.
7000         (split_di): Abort on 64bit registers.
7001         (ix86_expand_branch): DImode comparison is simple for x86_64.
7002         (memory_address_length): Recognize memory addresses formed using
7003         PRE/POST modify.
7004         (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
7005         for x86_64.
7006         * i386.h (TARGET_USE_SAHF): Disable for 64bit.
7007
7008 Wed Mar 21 18:51:19 CET 2001  Jan Hubicka  <jh@suse.cz>
7009
7010         * recog.c (push_operand): Recognize new format of push instructions.
7011
7012 Wed Mar 21 10:53:57 CET 2001  Jan Hubicka  <jh@suse.cz>
7013
7014         * i386.md (pushqi1): New.
7015         * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
7016         x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
7017         x86_64_immediate_operand, x86_64_immediate_operand,
7018         x86_64_zext_immediate_operand): Declare.
7019         * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
7020         x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
7021         x86_64_immediate_operand, x86_64_immediate_operand,
7022         x86_64_zext_immediate_operand): define.
7023         * i386.h (PREDICATE_CODES): Add new predicates.
7024
7025 Wed Mar 21 10:25:13 CET 2001  Jan Hubicka  <jh@suse.cz>
7026
7027         * i386.md (pophi1, popqi1, pushqi1): Remove.
7028
7029         * expr.c (emit_single_push_insn): New function.
7030         (move_by_pieces): Accept NULL as destination for push instructions.
7031         (gen_push_operand): Kill.
7032         (emit_push_insn): Pass NULL when pushing; avoid updating of
7033         stack_pointer_delta.
7034         * expr.h (gen_push_operand): Kill.
7035
7036 Tue Mar 20 20:15:06 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7037
7038         * rtl.texi (COMPARE): Clarify documentation and reference section
7039         on comparisons.
7040
7041 2001-03-20  Stan Shebs  <shebs@apple.com>
7042
7043         * objc/objc-act.c (get_static_reference): Use NULL_TREE.
7044         (get_object_reference): Ditto.
7045         (error_with_ivar): Use error_with_file_and_line.
7046         (warn_with_method): Use warning_with_file_and_line.
7047
7048 2001-03-20  Tom Tromey  <tromey@redhat.com>
7049
7050         * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
7051
7052 2001-03-20  Mark Mitchell  <mark@codesourcery.com>
7053
7054         * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
7055         variables that are TREE_PUBLIC, even if not TREE_STATIC.
7056
7057 2001-03-20  DJ Delorie  <dj@redhat.com>
7058
7059         * Makefile.in (install-libgcc): Pass complete list of variables.
7060         (install-multilib): Ditto.
7061
7062 2001-03-20  David Billinghurst  <David.Billinghurst@riotinto.com>
7063
7064         * config/i386/cygwin.h: Declare ctor_section, dtor_section
7065         drectve_section, switch_to_section.
7066
7067         * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
7068         i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
7069         i386_pe_mark_dllimport.
7070
7071 2001-03-20  David Billinghurst <David.Billinghurst@riotinto.com>
7072
7073         * config/i386/cygwin.h: Include <stdio.h> Declare and constify
7074         functions i386_pe_*.
7075
7076         * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
7077         i386_pe_* functions with char * arguments.
7078
7079 2001-03-20  Alexandre Oliva  <aoliva@redhat.com>
7080
7081         * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
7082         and store.
7083         (movsi_ie): Introduce fpul store.
7084
7085 2001-03-20  Alan Modra  <alan@linuxcare.com.au>
7086
7087         * Makefile.in (OBJS): Remove hashtab.o.
7088
7089 2001-03-19  Stan Shebs  <shebs@apple.com>
7090
7091         * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
7092         * c-lang.c (maybe_objc_method_name): Ditto.
7093         * c-tree.h (maybe_objc_method_name): Remove decl.
7094
7095 2001-03-19  Tom Tromey  <tromey@redhat.com>
7096
7097         * gcc.c (init_gcc_specs): Fix comment.
7098
7099 2001-03-19  Mark Mitchell  <mark@codesourcery.com>
7100
7101         Compute DECL_ASSEMBLER_NAME lazily.
7102         * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
7103         (DECL_ASSEMBLER_NAME_SET_P): New macro.
7104         (SET_DECL_ASSEMBLER_NAME): Likewise.
7105         (COPY_DECL_ASSEMBLER_NAME): Likewise.
7106         (set_decl_assembler_name): Declare.
7107         (lang_set_decl_assembler_name): Likewise.
7108         * tree.c (lang_set_decl_assembler_name): New variab.e
7109         (set_decl_assembler_name): New function.
7110         (init_obstacks): Set lang_set_decl_assembler_name.
7111         (build_decl): Don't set DECL_ASSEMBLER_NAME.
7112         * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
7113         COPY_DECL_ASSEMBLER_NAME, etc.  Don't set DECL_ASSEMBLER_NAME
7114         where it's not necessary.
7115         (builtin_function): Likewise.
7116         (finish_decl): Likewise.
7117         * dbxout.c (dbxout_type_methods): Likewise.
7118         * ggc-common.c (ggc_mark_trees): Likewise.
7119         * profile.c (output_func_start_profiler): Likewise.
7120         * varasm.c (make_decl_rtl): Likewise.
7121
7122         * cse.c (find_comparison_args): Update documentation.  Fix
7123         mishandling of COMPARE operations.
7124
7125         * tree.def (ABS_EXPR): Add documentation.
7126         * fold-const.c (fold): Improve folding of ABS_EXPRs.
7127
7128 2001-03-19  Zack Weinberg  <zackw@stanford.edu>
7129
7130         * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
7131
7132 2001-03-19  Jakub Jelinek  <jakub@redhat.com>
7133
7134         * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
7135         Remove ia32 linux PIC kludge and move it...
7136         * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
7137
7138 Mon Mar 19 18:53:54 CET 2001  Jan Hubicka  <jh@suse.cz>
7139
7140         * i386.md (absdf2 expander): Fix 64bit case.
7141
7142 2001-03-19  Brad Lucier  <lucier@math.purdue.edu>
7143
7144         * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
7145
7146 2001-03-16  Andrew Haley  <aph@cambridge.redhat.com>
7147
7148         * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
7149
7150 2001-03-19  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
7151
7152         * README.X11: Remove obsolete file.
7153
7154 2001-03-18  Anthony Green  <green@redhat.com>
7155
7156         * config/pj/pj.h: Remove some trailing commas.
7157         (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
7158
7159 2001-03-18  Richard Henderson  <rth@redhat.com>
7160
7161         * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
7162         * calls.c: ... here.
7163         * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
7164         defaults for them here.
7165
7166 2001-03-17  Anthony Green  <green@redhat.com>
7167
7168         * config/pj/lib1funcs.S: Fix broken comment.
7169         * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
7170         labels with '.'.
7171
7172 2001-03-18  Joseph S. Myers  <jsm28@cam.ac.uk>
7173
7174         * gcc.texi: Remove obsolete information relating to build and
7175         installation problems with enquire or the Pyramid C compiler.
7176
7177 2001-03-17  Richard Henderson  <rth@redhat.com>
7178
7179         * dwarf2out.c (queue_reg_save): New.
7180         (flush_queued_reg_saves, clobbers_queued_reg_save): New.
7181         (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
7182         dwarf2out_reg_save.
7183         (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
7184         (cfa, cfa_store, cfa_temp): Make static.
7185         * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
7186
7187 2001-03-17  Richard Henderson  <rth@redhat.com>
7188
7189         * integrate.h (struct inline_remap): Add local_return_label.
7190         * integrate.c (expand_inline_function): Initialize it and emit
7191         it after copy_insn_notes.
7192         (copy_insn_list): Don't store local_return_label here.
7193         (copy_insn_notes): New function split out from copy_insn_list.
7194
7195 2001-03-17  Richard Henderson  <rth@redhat.com>
7196
7197         * dwarf2out.c (lookup_filename): Emit .file if the assembler
7198         is generating .debug_line.
7199         (dwarf2out_init): Add main_input_filename to the file table first.
7200         * configure.in (as_dwarf2_debug_line): Test with file number 1
7201         instead of file number 0.
7202
7203 Sat Mar 17 11:52:34 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7204
7205         * combine.c (undobuf): Remove field previous_undos; all refs deleted.
7206         (gen_rtx_combine): Deleted; all references changed as appropriate.
7207         (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
7208
7209         * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
7210
7211 2001-03-17  David Billinghurst  <David.Billinghurst@riotinto.com>
7212
7213         * config/i386/xm-cygwin.h: Include <sys/cygwin.h.  Remove unused
7214         variable.
7215
7216 2001-03-16  Jim Wilson  <wilson@redhat.com>
7217
7218         * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
7219         then set it to LOC_REG (79) instead of aborting.
7220
7221 2001-03-16  Phil Edwards  <pme@sources.redhat.com>
7222
7223         * gccbug.in:  Remove high priority.
7224
7225 2001-03-16  Richard Henerson  <rth@redhat.com>
7226
7227         * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
7228         output with a space instead of deleting it.
7229         * configure: Regenerate.
7230
7231 2001-03-16  Zack Weinberg  <zackw@stanford.edu>
7232
7233         * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
7234         handles the gory details of converting an object file into
7235         something that's safe to grep.
7236         (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
7237         gcc_AC_C_COMPILE_ENDIAN.  Use gcc_AC_EXAMINE_OBJECT.  Put
7238         newlines at either end of the string we're looking for.
7239         Make 'checking ...' message less stilted.
7240         (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT.  Handle
7241         ARM in-memory layout and its hypothetical converse.  Don't
7242         define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
7243         HOST_WORDS_BIG_ENDIAN.
7244
7245         * configure.in: Adjust for renamed macro.  Move
7246         gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
7247         * configure, config.in: Regenerate.
7248
7249 2001-03-16  Laurynas Biveinis  <lauras@softhome.net>
7250
7251         * fixinc/Makefile.in: Set SHELL.
7252
7253 2001-03-16  Laurynas Biveinis  <lauras@softhome.net>
7254
7255         * fixinc/fixincl.c (fix_with_system): Quote file names before
7256         passing them to shell.
7257
7258 2001-03-16  Laurynas Biveinis  <lauras@softhome.net>
7259
7260         * Makefile.in: Use fix-header$(build_exeext) instead
7261         of fix-header.
7262
7263 2001-03-16  Richard Henderson  <rth@redhat.com>
7264
7265         * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
7266         (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
7267         (size_of_line_prolog): Remove.
7268         (output_line_info): Compute prologue size via label difference.
7269         (lookup_filename): Return "unspecified" for <internal> and <built-in>.
7270
7271         * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
7272         assembler error when redefining file numbers.
7273         * config.in, configure: Rebuild.
7274
7275         * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
7276         (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
7277         (dw2_asm_output_delta_uleb128): Likewise.
7278         (dw2_asm_output_delta_sleb128): Similarly.
7279         (dw2_asm_output_data_sleb128): Similarly.  Print number in decimal.
7280
7281 2001-03-16  Michael Meissner  <meissner@redhat.com>
7282
7283         * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
7284         warnings.
7285         (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
7286         warnings.
7287         (BITMASK_LOWER16): Replacement for 0x0000ffff.
7288
7289         * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
7290         instead of 0xffff0000/0x0000ffff to avoid warnings about constants
7291         being unsigned in ISO C and signed in traditional.
7292         (expand_prologue): Ditto.
7293         (RA_MASK): Use BITMASK_HIGH to avoid warnings.
7294
7295         * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
7296         warnings.
7297         (divsi3,divdi3): Ditto.
7298         (modsi3,moddi3): Ditto.
7299         (fix_truncdfsi2,fix_truncdfdi2): Ditto.
7300         (fix_truncsfsi2,fix_truncsfdi2): Ditto.
7301         (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
7302         warnings.
7303
7304 Fri Mar 16 14:47:57 CET 2001  Jan Hubicka  <jh@suse.cz>
7305
7306         * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
7307         SSE based conditional moves on LTGT/UNEQ conditions;
7308         Canonicalize EQ to NE.
7309         * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
7310         (sse_mov?fcc_ne): New.
7311
7312         * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
7313
7314 2001-03-16  Alexandre Oliva  <aoliva@redhat.com>
7315
7316         * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
7317         register may be dead.
7318
7319 2001-03-16  Brad Lucier  <lucier@math.purdue.edu>
7320
7321         * Makefile.in (hash.o): Depend on CONFIG_H.
7322
7323 2001-03-15  Mark Mitchell  <mark@codesourcery.com>
7324
7325         * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
7326
7327 2001-03-15  Richard Henderson  <rth@redhat.com>
7328
7329         * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
7330         (ASM_OUTPUT_DWARF_PCREL): New.
7331         * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
7332
7333 2001-03-16  Alexandre Oliva  <aoliva@redhat.com>
7334
7335         * cppfiles.c (stack_include_file): Use MAX of sysp.
7336
7337 2001-03-15  Steve Ellcey  <sje@cup.hp.com>
7338
7339         * config.gcc (ia64*-*-hpux*): New case.
7340         * config/ia64/hpux.h: New file for HP-UX support.
7341         * config/ia64/t-hpux: New file for HP-UX support.
7342
7343 2001-03-16  Bruce Korb  <bkorb@gnu.org>, Alexandre Oliva  <aoliva@redhat.com>
7344
7345         * fixinc/inclhack.def (irix_stdio_va_list): New.
7346         * fixinc/fixincl.x: Rebuilt.
7347
7348 2001-03-15  Richard Henderson  <rth@redhat.com>
7349
7350         * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
7351         if provided by the target.
7352         (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
7353         (dw2_asm_output_addr): New.
7354         * dwarf2asm.h (dw2_asm_output_addr): Declare.
7355         * dwarf2out.c (output_cfi): Use it for program addresses.
7356         (output_call_frame_info, output_die): Likewise.
7357         (output_aranges, output_line_info): Likewise.
7358
7359 2001-03-15  Bruce Korb  <bkorb@gnu.org>
7360
7361         * gcc.c(main): make more rigorous
7362         * collect2.c(main): guard against ignoring SIGCHLD
7363         * protoize.c(main): ditto
7364         * gcc/fixinc/fixincl.c(initialize): ditto
7365
7366 2001-03-15  Mark Mitchell  <mark@codesourcery.com>
7367
7368         * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
7369         (sdbout_parms): Likewise.
7370
7371 Thu Mar 15 12:57:14 2001  Jeffrey A Law  (law@cygnus.com)
7372
7373         * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
7374         "widen" a destination that is already wider than a word.  Also do
7375         not widen if LOAD_EXTEND_OP is NIL for the given mode.
7376
7377 2001-03-15  Bernd Schmidt  <bernds@redhat.com>
7378
7379         * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
7380
7381 Thu Mar 15 11:30:31 EST 2001  John Wehle  (john@feith.com)
7382
7383         * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
7384
7385 Thu Mar 15 11:24:29 EST 2001  John Wehle  (john@feith.com)
7386
7387         * i960.h (i960_maxbitalignment,
7388         i960_last_maxbitalignment): Declare.
7389         * i960.c (i960_maxbitalignment,
7390         i960_last_maxbitalignment): Make global.
7391         (process_pragma): Delete.
7392         (i960_pr_align, i960_pr_noalign): Move from here ...
7393         * i960-c.c: ... to this new file.
7394         * t-960bare (i960-c.o): New rule.
7395         * t-vxworks960 (i960-c.o): Likewise.
7396         * config.gcc (i960-*-*): Define c_target_objs and
7397         cxx_target_objs.
7398
7399 2001-03-15  Bernd Schmidt  <bernds@redhat.com>
7400
7401         * cselib.c (hash_rtx): For REG and MEM, just use value of expression
7402         without adding in rtx code and mode.
7403
7404         * alias.c (init_alias_analysis): Don't use any rtx whose value
7405         varies as a known value.
7406         Delete a superfluous test.
7407
7408         * config/ia64/ia64.c (maybe_rotate): New function, broken out of
7409         ia64_sched_reorder.
7410         (ia64_sched_reorder): Call maybe_rotate; also rotate after
7411         scheduling a stop bit.
7412         (ia64_emit_nops): Correctly handle ASMs.
7413
7414 2001-03-15  Mark Mitchell  <mark@codesourcery.com>
7415
7416         * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
7417
7418 2001-03-15  Neil Booth  <neil@daikokuya.demon.co.uk>
7419
7420         * cpp.texi: Update documentation for -include and -imacros.
7421         * cppfiles.c (struct include_file): Remove "defined" memeber.
7422         (find_or_create_entry): Make a copy of the file name, and
7423         simplify it.
7424         (open_file): Update to ensure we use the simplified filename.
7425         (stack_include_file): Don't set search_from.
7426         (cpp_included): Don't simplify the path name here.
7427         (find_include_file): New prototype.  Call search_from to
7428         get the start of the "" include chain.  Don't simplify the
7429         filenames here.
7430         (_cpp_execute_include): New prototype.  Move diagnostics to
7431         do_include_common.  Update.
7432         (_cpp_pop_file_buffer): Don't set defined.
7433         (search_from): New prototype.  Use the preprocessor's cwd
7434         for files included from the command line.
7435         (read_name_map): Don't simplify the pathname here.
7436         * cpphash.h (enum include_type): New.
7437         (struct buffer): Delete search from.  New search_cached.
7438         (_cpp_execute_include): Update prototype.
7439         * cppinit.c (do_includes): Use _cpp_execute_include.
7440         * cpplib.c (do_include_common): New function.
7441         (do_include, do_include_next, do_import): Use it.
7442
7443 2001-03-14  Mark Mitchell  <mark@codesourcery.com>
7444
7445         * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
7446         contents of the RTL, to determine the name of the object.
7447
7448 2001-03-14  Mark Mitchell  <mark@codesourcery.com>
7449
7450         * tree.h (DECL_RTL): Allocate RTL lazily.
7451         (SET_DECL_RTL): New macro.
7452         (DECL_RTL_SET_P): Likewise.
7453         (COPY_DECL_RTL): Likewise.
7454         (DECL_RTL_IF_SET): Likewise.
7455         * varasm.c (make_decl_rtl): Add assertions about the kind of
7456         declaration we are processing.
7457         * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
7458         (start_decl): Likewise.
7459         (finish_decl): Likewise.
7460         * c-semantics.c (emit_local_var): Likewise.
7461         * calls.c (expand_call): Likewise.
7462         * dbxout.c (dbxout_symbol): Likewise.
7463         * emit-rtl.c (unshare_all_rtl): Likewise.
7464         (unshare_all_decls): Likewise.
7465         (reset_used_decls): Likewise.
7466         * expr.c (store_constructor): Likewise.
7467         (safe_from_p): Likewise.
7468         (expand_expr): Likewise.
7469         * function.c (put_var_into_stack): Likewise.
7470         (instantiate_decls_1): Likewise.
7471         (assign_parms): Likewise.
7472         (expand_function_start): Likewise.
7473         (expand_function_end): Likewise.
7474         * ggc-common.c (gcc_mark_trees): Likewise.
7475         * integrate.c (function_cannot_inline_p): Likewise.
7476         (copy_decl_for_inlining): Likewise.
7477         (expand_inline_function): Likewise.
7478         (integrate_parm_decls): Likewise.
7479         (integrate_decl_tree): Likewise.
7480         * print-tree.c (print_node): Likewise.
7481         * reg-stack.c (stack_result): Likewise.
7482         * stmt.c (label_rtx): Likewise.
7483         (expand_return): Likewise.
7484         (expand_decl): Likewise.
7485         (expand_decl_cleanup): Likewise.
7486         (expand_anon_union_decl): Likewise.
7487         * toplev.c (check_global_declarations): Likewise.
7488         (rest_of_decl_compilation): Likewise.
7489         * tree.c (simple_cst_equal): Likewise.
7490         * objc/objc-act.c (generate_static_references): Likewise.
7491
7492 2001-03-14  Zack Weinberg  <zackw@stanford.edu>
7493
7494         * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
7495         gcc_AC_C_FLOAT_FORMAT): New macros.
7496         * configure.in: Add AC_PROG_CPP after CC tests;
7497         gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
7498         tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
7499         * configure, config.in: Regenerate.
7500
7501         * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
7502         config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7503         config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7504         config/i370/xm-linux.h, config/i370/xm-oe.h,
7505         config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7506         config/m68k/xm-m68k.h, config/mips/xm-mips.h,
7507         config/pa/xm-linux.h, config/pa/xm-pa.h,
7508         config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
7509         config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
7510         config/sparc/xm-sparc.h, config/vax/xm-vax.h,
7511         config/we32k/xm-we32k.h: Delete.
7512
7513         * config/i370/xm-mvs.h, config/m88k/m88k.h,
7514         config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7515         config/vax/xm-vms.h: Don't define any of:
7516         HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
7517
7518         * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
7519
7520         * config.gcc: Remove references to deleted files.
7521         (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
7522         FATAL_EXIT_CODE, which is the same between oe and mvs).
7523
7524 2001-03-14  DJ Delorie  <dj@redhat.com>
7525             Vladimir Makarov  <vmakarov@redhat.com>
7526
7527         * config/i960/i960.c (i960_function_prologue): Compute size of
7528         frame according to number of registers actually saved there.
7529
7530 2001-03-14  Richard Henderson  <rth@redhat.com>
7531
7532         * expr.c (emit_move_insn_1): Fix else if around #endif.
7533
7534 Wed Mar 14 22:39:12 CET 2001  Jan Hubicka  <jh@suse.cz>
7535                               Vojtech Pavlik
7536
7537         * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
7538         constraints.
7539
7540 Wed Mar 14 22:26:10 CET 2001  Jan Hubicka  <jh@suse.cz>
7541
7542         * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
7543         (override_options): Parse cmodel string.
7544         (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
7545         * i386.h (TARGET_OPTIONS): Add "cmodel".
7546         (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
7547         (enum cmodel): New.
7548         (ix86_cmodel_string, ix86_cmodel): Declare.
7549
7550 Wed Mar 14 22:26:54 CET 2001  Jan Hubicka  <jh@suse.cz>
7551
7552         Spot by Matt Kraai:
7553         * i386.h (GENERAL_REG_P): Add missing REG_P.
7554
7555 2001-03-14  Laurynas Biveinis  <lauras@softhome.net>
7556
7557         * configure.in: Use $gcc_cv_as instead of $as.
7558         * configure: Regenerated.
7559
7560 2001-03-14  Neil Booth  <neil@daikokuya.demon.co.uk>
7561
7562         * cppfiles.c (stack_include_file): Only increase the include
7563         count if we actually process the file properly, as opposed
7564         to treating it as length zero.  Only call read_include_file
7565         if not DO_NOT_REREAD.  Handle the -H include file output
7566         here.
7567         (read_include_file): Remove now redundant DO_NOT_REREAD check.
7568         (cpp_included, find_include_file): Simplify pathnames after
7569         remapping them.  If remapping, don't use the remapped file
7570         name's buffer as our scratch buffer.
7571         (cpp_pop_file_buffer): Replace the multiple include macro
7572         only if it isn't yet set.
7573         (read_name_map): Simplify remapped names when reading in.
7574         (remap_filename): Move code to code path that uses it.
7575         (_cpp_simplify_pathname): Return the input pointer.
7576         * cpphash.h (_cpp_simplify_pathname): Update prototype.
7577
7578 2001-03-14  Mark Mitchell  <mark@codesourcery.com>
7579
7580         * expr.c (expand_expr): Revove bogus conditional.
7581
7582 Wed Mar 14 19:29:50 CET 2001  Jan Hubicka  <jh@suse.cz>
7583
7584         * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
7585
7586 2001-03-14  Jakub Jelinek  <jakub@redhat.com>
7587
7588         * reg-stack.c (stack_result): Unconditionally use
7589         FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
7590
7591 Wed Mar 14 16:36:25 CET 2001  Jan Hubicka  <jh@suse.cz>
7592
7593         * expr.c (emit_move_insn_1):  Split push of complex value when
7594         no suitable push instruction exist.
7595
7596         * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
7597         instead of QI_REG_P.
7598
7599 Tue Mar 13 22:22:04 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7600
7601         * alias.c (handled_component_p, can_address_p): New functions.
7602         (get_alias_set): Use them.
7603
7604 2001-03-13  Jim Wilson  <wilson@redhat.com>
7605
7606         * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
7607         from 80 in try_locals code.
7608         (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
7609
7610 2001-03-13  Zack Weinberg  <zackw@stanford.edu>
7611
7612         * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
7613         gcc_AC_C_LONG_LONG): New.
7614         * configure.in: Use them.  Probe the size of short, int, long,
7615         and long long/__int64 if we have them.  Move all the AC_C_*
7616         checks together, except gcc_AC_C_CHAR_BIT which has to go
7617         after AC_CHECK_HEADERS(limits.h).
7618         Take hwint.h out of host_xm_file and build_xm_file.
7619
7620         * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
7621         HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
7622         and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
7623         Move the HOST_WIDEST_INT setup logic here from system.h.
7624         Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
7625         defined.
7626         * system.h: Include hwint.h after limits.h.  HOST_WIDEST_INT
7627         is now handled by hwint.h.
7628
7629         * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
7630         config/c4x/xm-c4x.h, config/i370/xm-oe.h,
7631         config/ia64/xm-ia64.h: Don't define any of:
7632         HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
7633         HOST_BITS_PER_LONGLONG.
7634
7635         * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
7636         config/h8300/xm-h8300.h, config/mips/iris6.h,
7637         config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
7638         config/sparc/xm-sp64.h: Delete.
7639         * config.gcc: Remove references to deleted files.
7640
7641         * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
7642         HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
7643         * config/i370/xm-linux.h: Clarify floating-point situation in
7644         a comment.
7645
7646 2001-03-13  Neil Booth  <neil@daikokuya.demon.co.uk>
7647
7648         * cppfiles.c (NO_INCLUDE_PATH): New macro.
7649         (find_include_file): Decide here which part of the include
7650         chain to start the search.  Complain about an empty include
7651         chain in all cases apart from an abolsute file name.
7652         (_cpp_execute_include): Don't choose the search chain here.
7653         Don't call handle_missing_include in the case of an empty
7654         include chain.
7655         (_cpp_compare_file_date): Don't choose the search chain here.
7656         * cpplib.c (do_include_next): Move the in-main-file diagnostic
7657         here from _cpp_execute_include.  Behave like #include if
7658         we're in the main file.
7659
7660 2001-03-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7661
7662         * system.h (malloc, realloc, calloc, strdup): Only poison these
7663         tokens when IN_GCC is defined.
7664
7665 Tue Mar 13 14:38:44 CET 2001  Jan Hubicka  <jh@suse.cz>
7666
7667         * i386.md (abs?f expander): Support SSE case.
7668         (abd?f_if): Add new "USE"; add splitters.
7669
7670 2001-03-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7671
7672         * cpp.texi (poison): Explain the macro expansion exception.
7673
7674 2001-03-13  Jakub Jelinek  <jakub@redhat.com>
7675
7676         * expr.c (store_expr): Add dont_store_target.  If temp is already in
7677         target before copying to reg, don't store it into target again.
7678
7679 2001-03-12  Neil Booth  <neil@daikokuya.demon.co.uk>
7680
7681         * cppinternals.texi: Update for file handling.
7682
7683 2001-03-12  Jeffrey Oldham  <oldham@codesourcery.com>
7684
7685         * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
7686         2001-02-24 which broke building the Java library.
7687         * function.c (identify_blocks): Likewise.
7688         (all_blocks): Likewise.
7689         * integrate.c (integrate_decl_tree): Likewise.
7690         * print-tree.c (print_node): Likewise.
7691         * tree.h (BLOCK_NUMBER): Likewise.
7692         (struct tree_block): Likewise.
7693
7694 2001-03-12  David Edelsohn  <edelsohn@gnu.org>
7695
7696         * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
7697         __WCHAR_TYPE__ definition.
7698         (WCHAR_TYPE_SIZE): #undef before #define.
7699
7700 2001-03-12  Neil Booth  <neil@daikokuya.demon.co.uk>
7701
7702         * cppfiles.c: Update comments.
7703         (destroy_include_file_node): Rename destroy_node.
7704         (find_or_create_entry): New function.
7705         (open_file, _cpp_fake_include): Use it.
7706         (handle_missing_header): New function, broken out of
7707         _cpp_execute include.  Don't segfault if there is no
7708         system or quoted path.
7709         (_cpp_execute_include): Use handle_missing_header.
7710
7711 2001-03-12  Jeffrey Oldham  <oldham@codesourcery.com>
7712
7713         * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
7714         2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
7715
7716 Mon Mar 12 14:05:32 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7717
7718         * flow.c (insn_dead_p): Don't consider two memrefs equivalent
7719         unless anti_dependence says they are.
7720         * alias.c (objects_must_conflict): If neither has a type specified,
7721         they must conflict.
7722
7723 2001-03-12  Neil Booth  <neil@daikokuya.demon.co.uk>
7724             David Billinghurst <David.Billinghurst@riotinto.com>
7725
7726         * config/mips/iris5.h:  Change WCHAR_TYPE to int.
7727
7728 Mon Mar 12 16:32:21 CET 2001  Jan Hubicka  <jh@suse.cz>
7729
7730         * i386.md (trunctfdf2_2): Rename missnamed pattern.
7731         (*_one_bit): Remove type on the match_operand in attributes.
7732
7733 Mon Mar 12 16:27:56 CET 2001  Jan Hubicka  <jh@suse.cz>
7734
7735         * i386.c: Commit forgotten hunk in previous patch.
7736         (regclass_map): Add extended registers.
7737         (dbx_register_map): Add missing frame register.
7738
7739 Mon Mar 12 15:41:08 CET 2001  Jan Hubicka  <jh@suse.cz>
7740
7741         * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
7742
7743         * i386.md (x86_sahf_1): Disable for 64bit.
7744         (popsi*, pophi*): Likewise.
7745         (pushqi, pushhi): Likewise.
7746         (movdi, pushdi): Likewise.
7747         (zero extend DImode splitter): Likewise.
7748         (adddi, minusdi splitter): Likewise.
7749         (umulsidi): Likewise.
7750         (umulsi): New.
7751         (mulsidi): Disable for 64bit
7752         (lshift:DI/ashift:DI): Disable for 64bit.
7753         (loop patterns): Likewise.
7754         (call_pop, call_value_pop expanders and patterns): Likewise.
7755         (prologue_get_pc): Likewise.
7756         (leave): Likewise.
7757         (fcmovDI pattern and splitter): Likewise.
7758         (movdfcc_1_rex64): New.
7759
7760 Mon Mar 12 15:16:36 CET 2001  Jan Hubicka  <jh@suse.cz>
7761
7762         * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
7763         (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
7764         (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
7765         (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
7766         (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
7767         (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
7768         (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
7769         (PUSH_ROUNDING): x86_64 rounds to 64bits.
7770         (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
7771         (REGPARM_MAX): Set to 6 for x86_64.
7772         (SSE_REGPARM_MAX): Set to 16 for x86_64.
7773         * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
7774         registers.
7775
7776         * (patterns that does use upper halves): Update constraints
7777         'q' to 'Q' and 'r' to 'R'.
7778         (cmpqi_ext_1): Disable for 64bit.
7779         (cmpqi_ext_3_insn): Likewise.
7780         (movqi_extzv_1): Likewsie.
7781         (addqi_ext_1): Liekwsie
7782         (testqi_ext_1): Liekwsie
7783         (andqi_ext_1): Liekwsie
7784         (xorqi_ext_1): Liekwsie
7785         (cmpqi_ext_1_rex64): New.
7786         (cmpqi_ext_3_insn_rex64): Likewise.
7787         (movqi_extzv_1_rex64): Likewsie.
7788         (addqi_ext_1_rex64): Liekwsie
7789         (testqi_ext_1_rex64): Liekwsie
7790         (andqi_ext_1_rex64): Liekwsie
7791         (xorqi_ext_1_rex64): Liekwsie
7792
7793 2001-03-11  Zack Weinberg  <zackw@stanford.edu>
7794
7795         * configure.in: Move check for unsigned enumerated bitfields
7796         to macro in aclocal.m4.  Disable it for now.
7797         * configure, config.in: Regenerate.
7798         * system.h: Don't do anything with ONLY_INT_FIELDS.  Use the
7799         unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
7800         * varasm.c (struct rtx_const): Use ENUM_BITFIELD().  Move enum
7801         kind above its first use.
7802
7803         * config/xm-interix.h, config/alpha/xm-alpha.h,
7804         config/i370/xm-linux.h, config/i386/xm-beos.h,
7805         config/i386/xm-mingw32.h, config/mips/xm-mips.h,
7806         config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7807         config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
7808         Don't define ONLY_INT_FIELDS under any circumstances.
7809
7810         * config/pa/xm-pa.h: Don't define __BSD_NET2__.
7811
7812         * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7813         config/sparc/xm-sysv4.h: Delete - now identical with some
7814         other xm header.
7815         * config.gcc (hppa targets): Replace xm-pahpux.h and
7816         xm-papro.h with implicit xm-pa.h.
7817         (sparc targets): Replace xm-sysv4.h with implicit or explicit
7818         xm-sparc.h.
7819
7820 2001-03-12  Aldy Hernandez  <aldyh@redhat.com>
7821
7822         * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
7823         before reload_cse_noop_set_p.
7824
7825 2001-03-11  Zack Weinberg  <zackw@stanford.edu>
7826
7827         * config.gcc: Where xm-host.h used to include another
7828         xm-host.h, list the nested header directly in xm_file.  Remove
7829         references to deleted files.  Can now use sparc/xm-sp64.h for
7830         sparcv9-*-solaris*.
7831
7832         * config/xm-linux.h, config/arm/xm-linux.h,
7833         config/i386/xm-dos.h, config/i386/xm-gnu.h,
7834         config/i386/xm-linux.h, config/i386/xm-openbsd.h,
7835         config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
7836         config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
7837         config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
7838         Delete.
7839
7840         * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
7841         * config/mips/xm-iris5.h: Don't include mips/xm-mips.h.  Don't
7842         bother to wrap #undef in #ifdef.
7843         * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
7844         Don't include xm-linux.h.
7845         * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
7846
7847         * configure.in: Wrap regexps using [] in changequote block.
7848         Use expr : not echo | grep.  Simplify regexps.
7849         * configure: Regenerate.
7850
7851         56 xm-files remain, 22 xm-arch.
7852
7853 2001-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7854
7855         * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
7856         (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7857         (local_index, local_rindex): Delete, use strchr/strrchr instead.
7858         (copy_object): Fix format specifier vs argument mismatch.
7859
7860         * mips-tdump.c: Make local functions static.
7861         (rindex): Don't #undef.
7862         (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7863         (fatal, fancy_abort): Delete.
7864         (read_seek): Avoid signed/unsigned compare.
7865
7866 Sun Mar 11 17:01:41 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7867
7868         * combine.c (try_combine): Fix error in change to try original
7869         register.
7870         (gen_rtx_combine): Do same as gen_rtx for now.
7871
7872 2001-03-11  Zack Weinberg  <zackw@stanford.edu>
7873
7874         * configure.in: AC_SUBST xm_defines.
7875         * configure: Regenerate.
7876         * Makefile.in: Set DEFINES=$(xm_defines) when building
7877         tconfig.h.
7878
7879 2001-03-11  Neil Booth  <neil@daikokuya.demon.co.uk>
7880
7881         * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
7882         (cpp_included, find_include_file): Update.
7883         (_cpp_compare_file_date): Make else unconditional.
7884
7885 2001-03-10  kaz Kojima <kkojima@rr.iij4u.or.jp>
7886
7887         * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
7888
7889 2001-03-10  Toshiyasu Morita  <toshiyasu.morita@hsa.hitachi.com>
7890
7891         * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
7892         * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
7893
7894 Sat Mar 10 22:42:05 2001  Alexandre Oliva  <aoliva@redhat.com>
7895
7896         * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
7897         if it's a record type.
7898
7899 Sat Mar 10 17:52:54 2001  Christopher Faylor <cgf@cygnus.com>
7900
7901         * config/i386/cygwin.h: Make ../w32api a system directory.  Reorganize
7902         mingw includes slightly.
7903
7904 2001-03-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7905
7906         * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
7907         #undef token before poisoning it.
7908
7909 2001-03-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7910
7911         * alpha.c (check_float_value): Use memcpy, not bcopy.
7912
7913         * m32r.c (m32r_sched_reorder): Likewise.
7914
7915         * vax.c (check_float_value): Likewise.
7916
7917 2001-03-10  Neil Booth  <neil@daikokuya.demon.co.uk>
7918
7919         * toplev.c (file_name_nondirectory): Remove.
7920         * toplev.h: Similarly.
7921         * dwarf2out.c (compute_section_prefix): Use lbasename instead
7922         of file_name_nondirectory.
7923
7924 Sat Mar 10 10:36:45 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7925
7926         * mips-tdump.c (read_seek): Call xmalloc, not malloc.
7927         * mips-tfile.c: Don't #undef rindex; not used.
7928
7929 Sat Mar 10 14:34:59 CET 2001  Jan Hubicka  <jh@suse.cz>
7930
7931         * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
7932         (dbx64_register_map): Declare.
7933         (RETURN_ADDR_RTX): Fix for 64bit.
7934         (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
7935         (INCOMING_FRAME_SP_OFFSET): Set to 8.
7936         * i386.c (dbx64_register_map): New global array.
7937         * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
7938         linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
7939         for 64bits.
7940
7941 2001-03-10  Neil Booth  <neil@daikokuya.demon.co.uk>
7942
7943         * cppfiles.c (search_from): Use lbasename.
7944         * mkdeps.c (deps_add_default_target): Use lbasename.
7945
7946 2001-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7947
7948         * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
7949         xcalloc in lieu of malloc, realloc & calloc.
7950
7951         * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
7952
7953         * gengenrtl.c (xmalloc): Likewise.
7954
7955         * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
7956         really_call_* memory allocation routines.
7957
7958         * stmt.c (check_for_full_enumeration_handling): Use
7959         really_call_calloc, not calloc.
7960
7961         * system.h (really_call_malloc, really_call_calloc,
7962         really_call_realloc): Define.
7963         (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
7964
7965 Fri Mar  9 18:39:19 2001  Jeffrey A Law  (law@cygnus.com)
7966
7967         * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
7968
7969 2001-03-09  Nicola Pero <n.pero@mi.flashnet.it>
7970
7971         * configure: Rebuilt.
7972         * configure.in: Only use `lang_requires' for languages athat are
7973         actually enabled.
7974
7975 2001-03-09  Joseph S. Myers  <jsm28@cam.ac.uk>
7976
7977         * invoke.texi: Fix typo.
7978         * gcc.1: Regenerate.
7979
7980 2001-03-09  Zack Weinberg  <zackw@stanford.edu>
7981
7982         * configure.in: Prune nonexistent files from build_xm_file,
7983         xm_file, and host_xm_file lists.  Warn unless they're
7984         $cpu/xm-$cpu.h.
7985         Don't generate *config.h here.
7986         AC_SUBST all variables needed to generate *config.h.
7987         * configure: Regenerate.
7988         * mkconfig.sh: New helper script, from code removed from
7989         configure.in.
7990         * Makefile.in: Zap all MALLOC variables - no longer used
7991         anywhere, and malloc.c doesn't exist.
7992         Substitute in variables needed to generate *config.h.
7993         Stop lying about the dependencies contained in CONFIG_H and
7994         GCONFIG_H.
7995         (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
7996         (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
7997         cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
7998         (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
7999         $(TM_P_H), etc. as appropriate.
8000
8001         * config.gcc: Zap references to deleted files.
8002         * ggc-none.c: Don't include rtl.h or tm_p.h.
8003
8004         * config/i386/xm-beos.h, config/i386/xm-dgux.h,
8005         config/i386/xm-djgpp.h, config/i386/xm-dos.h,
8006         config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
8007         config/i386/xm-linux.h, config/i386/xm-linux.h,
8008         config/i386/xm-next.h, config/i386/xm-openbsd.h,
8009         config/i386/xm-sun.h, config/i386/xm-sysv3.h:
8010         Don't include i386/xm-i386.h.
8011
8012         * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
8013         config/i386/xm-i386.h, config/i860/xm-i860.h,
8014         config/i960/xm-i960.h, config/mcore/xm-mcore.h,
8015         config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8016         config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
8017         Delete (empty except comments, #includes of other deleted
8018         files, and macros used nowhere).
8019
8020 Fri Mar  9 20:05:27 CET 2001  Jan Hubicka  <jh@suse.cz>
8021
8022         * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
8023         independent on TARGET_FLAGS.
8024
8025 Fri Mar  9 19:52:52 CET 2001  Jan Hubicka  <jh@suse.cz>
8026
8027         * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
8028
8029         (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
8030         extended ones.
8031         (CONDITIONAL_REGISTER_USAGE): Set proper values according to
8032         TARGET_64BIT.
8033         (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
8034         LAST_REX_SSE_REG): define.
8035         (enum reg_class): Add 'LEGACY_REGS'
8036         (REG_CLASS_CONTENTS): Likewise; add extended registers.
8037         (SSE_REGNO_P): Recognize extended registers.
8038         (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
8039         (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
8040         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
8041         REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
8042         (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
8043          REG_OK_FOR_STRREG_P): Remove.
8044         (HI_REGISTER_NAMES): Add extended registers.
8045         (ADDITIONAL_REGISTER_NAMES): Likewise.
8046         (QI_REGISTER_NAMES): Add 8bit extended registers.
8047         (DEBUG_REG): Support extended registers.
8048         * i386.c (regclass_map): Add extended registers.
8049         (dbx_register-map): Likewise.
8050         (svr4_dbx_register_map): Likewise.
8051         (print_reg): Support extended registers.
8052         (print_operand): Support 64bit operands.
8053
8054 Fri Mar  9 19:37:46 CET 2001  Jan Hubicka  <jh@suse.cz>
8055
8056         * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
8057         (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
8058          FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
8059          DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
8060         (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
8061          STACK_BOUNDARY): Set properly for 64bits.
8062         (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
8063         (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
8064         (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
8065         (MOVE_MAX): Set to 16.
8066         (MOVE_MAX_PIECES): 8 for 64bit.
8067         (Pmode): Set to SImode.
8068
8069 Fri Mar  9 09:00:36 2001  Mike Stump  <mrs@wrs.com>
8070
8071         * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
8072
8073 Fri Mar  9 17:38:08 CET 2001  Jan Hubicka  <jh@suse.cz>
8074
8075         * i386.h (mask_64bit): New constant.
8076         (target_64bit): New macro.
8077         (target_options): Add '64'/'32'
8078         (target_default): Define.
8079         * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
8080         isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
8081         unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
8082
8083 Thu Mar  8 23:36:56 2001  Jeffrey A Law  (law@cygnus.com)
8084
8085         * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
8086
8087 Thu Mar  8 23:29:37 2001  John Wehle  (john@feith.com)
8088
8089         * rtlanal.c (rtx_varies_p): Check operand 0 of a
8090         LO_SUM unless for_alias is set.
8091
8092 2001-03-08  Stan Shebs  <shebs@apple.com>
8093
8094         * objc/objc-act.c: Fix old typos in comments, add comments for
8095         various functions.
8096         (hash_init): Fix file name in error message.
8097         (hash_enter): Ditto.
8098         (hash_add_attr): Ditto.
8099         (continue_class): Ditto.
8100
8101 2001-03-08  Bruce Korb  <bkorb@gnu.org>
8102
8103         gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
8104         wait4() can receive the signal.
8105
8106 Thu Mar  8 21:09:10 2001  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8107
8108         * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
8109         entities.
8110         * fixinc/fixincl.x: Regenerate.
8111
8112 Thu Mar  8 21:09:10 2001  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8113
8114         * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
8115         on Tru64 UNIX.
8116         * fixinc/fixincl.x: Regenerate.
8117
8118 2001-03-08  Richard Henderson  <rth@redhat.com>
8119
8120         * configure.in (HAVE_AS_LEB128): New assembler check.
8121         * configure, config.in: Rebuilt.
8122
8123 Thu Mar  8 19:54:04 CET 2001  Jan Hubicka  <jh@suse.cz>
8124
8125         * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
8126         TFmode too.
8127
8128 2001-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8129
8130         * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
8131         references to the MAXPATHLEN macro.
8132
8133         * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
8134         config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
8135         the POSIX macro.
8136
8137         * config/i386/xm-gnu.h, config/xm-gnu.h,
8138         config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
8139         config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
8140         config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
8141         and/or unused files.
8142
8143         * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
8144         doing so in various xm-*.h files.
8145
8146 Thu Mar  8 06:32:50 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8147
8148         * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
8149
8150 2001-03-08  Alexandre Oliva  <aoliva@redhat.com>
8151
8152         * configure.in (enable_shared): Support per-package shared-library
8153         enabling.
8154         * configure: Rebuilt.
8155
8156 2001-03-07  David Edelsohn  <edelsohn@gnu.org>
8157
8158         * rs6000.md (cr logic): Add original POWER mnemonic alternative
8159         for crnot.  Set operands[5] in splitter.
8160
8161 2001-03-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8162
8163         * config/i370/xm-mvs.h, config/i370/xm-oe.h,
8164         config/i386/xm-beos.h, config/i386/xm-mingw32.h,
8165         config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
8166         config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
8167         config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
8168         config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
8169         config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
8170         to the USG macro.
8171
8172         * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
8173         config/i370/xm-i370.h, config/i386/xm-dgux.h,
8174         config/i386/xm-sun.h, config/i386/xm-sysv3.h,
8175         config/m68k/xm-tower.h, config/m68k/xm-aux.h,
8176         config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
8177         config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
8178         config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
8179         config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
8180         config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
8181         config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
8182         Delete unused and/or empty files.
8183
8184         * config.gcc: Define USG in xm_defines as appropriate.  Define
8185         POSIX in lieu of xm-svr4.h.  Delete all references to the SVR3
8186         macro.  Remove deleted xm-* files from $xm_files variable.
8187
8188 2001-03-07  Tom Tromey  <tromey@redhat.com>
8189
8190         * configure: Rebuilt.
8191         * configure.in: Allow config-lang.in to set `lang_requires' to list
8192         of other required languages.
8193
8194 2001-03-07  Andrew MacLeod  <amacleod@redhat.com>
8195
8196         * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
8197         after its emitted.
8198         (output_prologue): Use xmalloc not oballoc.
8199         (output_epilog): Free a29k_first_epilogue_insn when finished.
8200         * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
8201
8202 2001-03-07  Brad Lucier  <lucier@math.purdue.edu>
8203
8204         * builtins.c (expand_builtin_mathfn): Check
8205         flag_unsafe_math_optimizations, not flag_fast_math.
8206         (expand_builtin): Likewise
8207         * combine.c (combine_simplify_rtx): Likewise.
8208         (simplify_if_then_else): Likewise.
8209         * cse.c (fold_rtx): Likewise.
8210         * flags.h: Remove flag_fast_math.  Add
8211         flag_unsafe_math_optimizations and flag_trapping_math.
8212         * fold-const.c (negate_expr): Check
8213         flag_unsafe_math_optimizations, not flag_fast_math.
8214         (invert_truthvalue): Likewise.
8215         (fold): Likewise.  Before associating operands, check that
8216         code == MULT_EXPR, not code != MULT_EXPR.
8217         * ifcvt.c (noce_try_minmax): Check
8218         flag_unsafe_math_optimizations, not flag_fast_math.
8219         (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
8220         * invoke.texi: Document -funsafe-math-optimizations and
8221         -fno-trapping-math.  Change documentation for -ffast-math.
8222         * jump.c (reversed_comparison_code_parts): Likewise.
8223         (rtx_equal_for_thread_p): Likewise.
8224         * optabs.c (emit_conditional_move): Likewise.
8225         * simplify-rtx.c (simplify_binary_operation): Likewise.
8226         (simplify_relational_operation): Likewise.
8227         (simplify_ternary_operation): Likewise.
8228         * toplev.c: Remove flag_fast_math.  Add flag_trapping_math and
8229         flag_unsafe_math_optimizations.  Remove fast-math entry from f_options.
8230         Add trapping-math and unsafe-math-optimizations entries to f_options.
8231         (set_fast_math_flags): New, sets flags for -ffast-math.
8232         (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
8233         (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
8234         * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
8235
8236         * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
8237         (alpha_emit_conditional_move): Initialize local_fast_math to
8238         flag_unsafe_math_optimizations, not flat_fast_math.
8239         * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
8240         instead of setting flag_fast_math to 1.
8241         * config/convex/convex.md: Check flag_unsafe_math_optimizations,
8242         not flag_fast_math.
8243         * config/i386/i386.c (override_options): Likewise
8244         * config/i386/i386.md: Likewise.
8245         * config/m68k/m68k.md: Likewise.
8246         * config/mips/mips.md: Likewise.
8247         * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
8248         (rs6000_generate_compare): Likewise.
8249
8250 2001-03-07  Laurynas Biveinis  <lauras@softhome.net>
8251
8252         * Makefile.in: Set RANLIB to @RANLIB@.
8253         Remove RANLIB_TEST.
8254
8255 2001-03-07  Laurynas Biveinis  <lauras@softhome.net>
8256
8257         * fixinc/inclhack.def (djgpp_wchar_h): New test.
8258         * fixinc/fixincl.x: Regenerated.
8259
8260 2001-03-07  Richard Henderson  <rth@redhat.com>
8261
8262         * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
8263
8264 2001-03-07  Richard Henderson  <rth@redhat.com>
8265
8266         * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
8267         of block notes and exception handling notes.
8268
8269         * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
8270         * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
8271         (compile_file): ... here.
8272
8273 2001-03-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8274
8275         * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
8276
8277         * fixinc/gnu-regex.c: Don't include auto-host.h since we get
8278         config.h now.  Include libiberty.h to handle alloca.
8279
8280 2001-03-06  Zack Weinberg  <zackw@stanford.edu>
8281
8282         * c-parse.in (yylexname): New function, split out of _yylex.
8283         (objc_rid_sans_at): New table.
8284         (init_reswords): Initialize it.
8285         (_yylex): Give labels clearer names.  Handle CPP_ATSIGN by
8286         retrieving the next token and checking it for significance as
8287         an ObjC keyword or string constant.
8288
8289         * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
8290         * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
8291
8292         * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
8293         to CPP_OSTRING.
8294
8295 2001-03-06  Stephen L Moshier  <moshier@mediaone.net>
8296
8297         * config/m68k/m68k.c (const_uint32_operand): Accept any
8298         const_int on a 32-bit host.
8299
8300 2001-03-06  Nicola Pero  <n.pero@mi.flashnet.it>
8301
8302         * objc/objc-act.c (init_objc): Set save_lang_status,
8303         restore_lang_status, and mark_lang_status.
8304
8305 2001-03-06  Krister Walfridsson  <cato@df.lth.se>
8306
8307         * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
8308
8309 2001-03-06  Neil Booth  <neil@daikokuya.demon.co.uk>
8310
8311         * cppinternals.texi: Update.
8312
8313 2001-03-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8314
8315         * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8316         config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
8317         config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
8318         config/convex/xm-convex.h, config/d30v/xm-d30v.h,
8319         config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
8320         config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8321         config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
8322         config/i386/xm-i386.h, config/i860/xm-i860.h,
8323         config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8324         config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
8325         config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8326         config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8327         config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8328         config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8329         config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
8330         config/romp/xm-romp.h, config/rs6000/xm-beos.h,
8331         config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
8332         config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8333         config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8334         config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
8335         config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
8336         match the defaults provided in hwint.h.
8337
8338         * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8339         config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
8340
8341         * config.gcc (xm_file): Don't set to files which are deleted.
8342
8343         * hwint.h: Provide default values for HOST_BITS_PER_*.  No longer
8344         guard this file against these macros being undefined.
8345
8346 2001-03-06  Zack Weinberg  <zackw@stanford.edu>
8347
8348         * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
8349         and DECL_DEFER_OUTPUT on the decl we create, before calling
8350         rest_of_decl_compilation.
8351
8352 2001-03-06  Zack Weinberg  <zackw@stanford.edu>
8353
8354         * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
8355         AC_FUNC_ALLOCA.
8356         * configure, config.in: Regenerate.
8357         * config.gcc: Remove references to deleted files.
8358
8359         * genattr.c, genattrtab.c, genextract.c, genoutput.c,
8360         genrecog.c, rtl.c: Do not use alloca anywhere.
8361
8362         * Makefile.in, build-make, system.h, config/x-interix,
8363         config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
8364         config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
8365         config/arc/xm-arc.h, config/arm/xm-arm.h,
8366         config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8367         config/h8300/xm-h8300.h, config/i370/x-oe,
8368         config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
8369         config/i386/x-ncr3000, config/i386/x-sco5,
8370         config/i386/xm-dgux.h, config/i860/x-sysv4,
8371         config/i960/xm-i960.h, config/m32r/xm-m32r.h,
8372         config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
8373         config/m68k/x-hp320g, config/m69k/x-mot3300,
8374         config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
8375         config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
8376         config/m68k/xm-mot3300.h, config/m88k/x-dolph,
8377         config/m88k/x-sysv4, config/m88k/x-tekXD88,
8378         config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8379         config/mips/x-iris, config/mips/x-iris3,
8380         config/mips/x-sni-svr4, config/mips/x-sysv,
8381         config/mips/xm-iris6.h, config/mips/xm-mips.h,
8382         config/mips/xm-nws3250v4.h, config/pa/x-hpux,
8383         config/pa/x-pa-mpeix, config/pa/xm-pa.h,
8384         config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8385         config/pa/xm-papro.h, config/romp/xm-romp.h,
8386         config/rs6000/x-aix31, config/rs6000/x-aix41,
8387         config/rs6000/x-beos, config/rs6000/x-lynx,
8388         config/rs6000/x-mach, config/rs6000/x-rs6000,
8389         config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
8390         config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8391         config/sparc/x-sysv4, config/sparc/xm-linux.h,
8392         config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
8393         config/vax/xm-vms.h: Eradicate all references to alloca and
8394         related stuff.
8395
8396         * config/xm-alloca.h, config/clipper/x-clix,
8397         config/i386/xm-sysv4.h, config/i860/x-fx2800,
8398         config/i860/x-sysv3, config/m88k/x-sysv3,
8399         config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
8400         (contained only alloca related hacks).
8401
8402         * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
8403         USE_C_ALLOCA.
8404
8405 2001-03-05  Brad Lucier  <lucier@math.purdue.edu>
8406
8407         * invoke.texi: Document __FAST_MATH__.
8408
8409 2001-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8410
8411         * crtstuff.c: Restore include of auto-host.h.
8412
8413 2001-03-05  Fergus Henderson  <fjh@cs.mu.oz.au>
8414
8415         Put main() in a separate file, so that the language
8416         front-end can use a different main().
8417
8418         * main.c: New.
8419         * toplev.c: (main): Rename as toplev_main.
8420         * toplev.h: Declare toplev_main.
8421         * Makefile.in (OBJS): add toplev.o.
8422           (BACKEND): remove toplev.o, add main.o.
8423
8424 2001-03-04  Neil Booth  <neil@daikokuya.demon.co.uk>
8425
8426         * cppfiles.c (search_from): Special case the empty string.
8427
8428 2001-03-04  Neil Booth  <neil@daikokuya.demon.co.uk>
8429
8430         * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
8431         copy of the filename.  Don't use CPP_PREV_BUFFER.  Don't call
8432         strlen or strcpy; we already know the length.
8433         (_cpp_compare_file_date): Similarly.
8434         * cpphash.h (struct cpp_reader): Delete done_initialising.
8435         (CPP_PREV_BUFFER): Delete.
8436         * cppinit.c (cpp_start_read): Don't set done_initialising.
8437         * cpplex.c (parse_string): Guarantee null-termination.
8438         (_cpp_equiv_toklists): Remove.
8439         * cpplib.c (glue_header_name): Null-terminate.
8440         (do_line): Don't leak memory.
8441         * cpplib.h (BT_WEAK): Delete.
8442         * cppmain.c (cb_ident): Strings are now null-terminated.
8443
8444 2001-03-04  Laurynas Biveinis  <lauras@softhome.net>
8445
8446         * gcc.c (convert_filename): Append executable suffix
8447         if NO_AUTO_EXE_SUFFIX is not defined.
8448         * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
8449         * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
8450
8451 2001-03-03  David O'Brien  <obrien@FreeBSD.org>
8452
8453         from 2000-09-06  Zack Weinberg  <zack@wolery.cumb.org>
8454         * c-parse.gperf, c-gperf.h: Delete.
8455         (c-gperf.h was accidently re-added to the CVS repo in the rev
8456         1.16 commit by tromey)
8457
8458 2001-03-03  Neil Booth  <neil@daikokuya.demon.co.uk>
8459
8460         * cpplex.c (_cpp_lex_token): Don't warn about directives in
8461         macro arguments when looking for the '('.
8462         * cppmacro.c (funlike_invocation_p): Set parsing_args to
8463         2 when really parsing arguments; 1 when looking for '('.
8464         Always restore the lexer position.
8465
8466 2001-03-03  Neil Booth  <neil@daikokuya.demon.co.uk>
8467
8468         * longlong.h (umul_ppmm): Don't use a multiline string.
8469
8470 2001-03-03  John David Anglin  <dave@hiauly1.hia.nrc.ca>
8471
8472         * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
8473         * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
8474         t_bool in declaration because pcc can't combine volatile with typedef
8475         types.
8476
8477 Sat Mar  3 19:47:13 CET 2001  Jan Hubicka  <jh@suse.cz>
8478
8479         * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
8480         until when it is really needed.
8481         (ix86_expand_compare): Update call of ix86_expand_fp_compare.
8482         * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
8483         * i386.md (float?i?f splitter): Don't force source operand to memory
8484         for SSE.
8485         (sse_movdfcc): Fix constraint.
8486         (sse_movdfcc splitter): Handle properly the second alternative.
8487
8488 2001-03-03  Neil Booth  <neil@daikokuya.demon.co.uk>
8489
8490         * cpplex.c (parse_string): Unconditionally pedwarn.
8491
8492 2001-03-03  Neil Booth  <neil@daikokuya.demon.co.uk>
8493
8494         * cpp.texi: Update.
8495         * cppexp.c (parse_number): Update.
8496         * cpplex.c (parse_string): Pedwarn if multiline string does not
8497         result from a system header's macro.
8498         * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
8499         * cppmacro.c (sys_objmacro_p): Rename sys_macro_p.  Return true
8500         for function-like macros too.
8501         * c-lex.c (lex_number): Update.
8502
8503 2001-03-03  Richard Henderson  <rth@redhat.com>
8504
8505         * dwarf2out.c (output_call_frame_info): Fix augmentation length.
8506
8507 Sat Mar  3 04:17:17 2001  J"orn Rennecke <amylaar@redhat.com>
8508
8509         * combine.c (try_combine): If split with mode-changed scratch
8510         register didn't work, try the original mode.
8511
8512 Sat Mar  3 03:46:47 2001  J"orn Rennecke <amylaar@redhat.com>
8513
8514         * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
8515         * config/c4x/c4x.h: Likewise.
8516         * stor-layout.c (compute_record_mode): Likewise.
8517         (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
8518
8519 2001-03-02  Zack Weinberg  <zackw@stanford.edu>
8520
8521         * configure.in: Kill tm.h.  Include the files in the $tm_file
8522         list in all three of config.h, hconfig.h, tconfig.h, after the
8523         relevant set of xm_files.  Put TARGET_CPU_DEFAULT in all
8524         three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
8525         * configure: Regenerate.
8526         * Makefile.in (clean): Don't delete tm.h.
8527
8528         * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
8529         defined, set them from EXIT_SUCCESS and EXIT_FAILURE.  If
8530         those are not defined, set SEC and FEC to 0 and 1.
8531         * gcc.texi: Update to match.
8532
8533         * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
8534         * config/fp-bit.c, config/m68k/aux-crt2.asm,
8535         config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
8536         Include tconfig.h, not tm.h.
8537
8538         * config/xm-lynx.h, config/xm-std32.h,
8539         config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8540         config/alpha/xm-alpha.h, config/arc/xm-arc.h,
8541         config/avr/xm-avr.h, config/c4x/xm-c4x.h,
8542         config/clipper/xm-clix.h, config/convex/xm-convex.h,
8543         config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8544         config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8545         config/h8300/xm-h8300.h, config/i370/xm-linux.h,
8546         config/i386/xm-i386.h, config/i860/xm-i860.h,
8547         config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8548         config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
8549         config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8550         config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8551         config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8552         config/pa/xm-linux.h, config/pa/xm-pa.h,
8553         config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8554         config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
8555         config/pj/xm-pj.h, config/romp/xm-romp.h,
8556         config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8557         config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8558         config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8559         config/v850/xm-v850.h, config/vax/xm-vax.h,
8560         config/we32k/xm-we32k.h:
8561         Don't include tm.h.
8562         Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
8563
8564         * config/i370/xm-i370.h, config/i370/xm-mvs.h,
8565         config/i370/xm-oe.h: Don't include tm.h.  Don't define
8566         SUCCESS_EXIT_CODE.
8567         * config/vax/xm-vms.h: Don't include tm.h.
8568
8569         * config/xm-lynx.h, config/avr/xm-avr.h,
8570         config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
8571         Delete; made empty by above changes.
8572         * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8573         config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
8574         Don't include config/xm-lynx.h or tm.h.
8575
8576         * config/xm-gnu.h: Don't include fcntl.h.
8577         * config/sparc/xm-lynx.h: Don't include sys/types.h and
8578         sys/wait.h.
8579         * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
8580
8581 2001-03-02  Richard Henderson  <rth@redhat.com>
8582
8583         * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
8584         UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
8585
8586 2001-03-02  Richard Henderson  <rth@redhat.com>
8587
8588         * Makefile.in (OBJS): Add dwarf2asm.o.
8589         * dwarf2asm.c, dwarf2asm.h: New files.
8590         * dwarf2out.c (*): Use them.
8591         (size_of_uleb128, size_of_sleb128): Remove.
8592         (output_uleb128, output_sleb128): Remove.
8593         (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
8594         (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
8595         (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
8596         (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
8597         (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
8598         (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
8599         (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
8600         (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
8601         (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
8602         (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8603         (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
8604         (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
8605         (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
8606         (dwarf2out_frame_debug): Remove unused variables.
8607         (output_loc_operands): Don't abort on 8 byte constants if
8608         host integers are wide enough.
8609         (output_symbolic_ref): Remove.
8610         (size_of_die): Don't assume 4 byte host integers.
8611         (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
8612         and end labels.
8613         (add_const_value_attribute) [CONST_INT]: Verify we're not doing
8614         something stupid with HOST_WIDE_INT to long truncation.
8615         [CONST_DOUBLE]: Likewise.
8616
8617         * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
8618         (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8619         * config/arm/unknown-elf.h: Likewise.
8620         * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
8621         (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
8622         (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
8623         (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
8624         (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
8625         (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
8626         (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
8627         (ASM_OUTPUT_DWARF_OFFSET): Remove.
8628         * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
8629         * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
8630         (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
8631         (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
8632
8633 2001-03-02  John David Anglin  <dave@hiauly1.hia.nrc.ca>
8634
8635         * cselib.c (hash_rtx): Cast enums to unsigned int.
8636
8637 2001-03-02  John David Anglin  <dave@hiauly1.hia.nrc.ca>
8638
8639         * print-rtl.c (print_rtx): Cast enums to int for comparison.
8640         * c-decl.c (grokdeclarator): Cast enums to int for comparison and
8641         shifts.
8642         * c-format.c (C_STD_VER): Cast to int for comparisons.
8643         (check_function_format): Cast various enums to int for &.
8644         (maybe_read_dollar_number): Likewise.
8645         (check_format_info): Likewise.
8646         (check_format_info_main): Likewise.
8647         * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
8648         (safe_from_p): Likewise.
8649         * varasm.c (const_hash): Cast enum to int for %.
8650         * emit-rtl.c (init_emit_once): Use int loop variable to work around
8651         pcc enum problems with < and ++ operators.
8652         * regclass.c (init_reg_sets_1): Cast enums for comparison.
8653         (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
8654         (regclass_init): Change enum class to int to iterate over reg_classes.
8655         * genrecog.c (merge_trees): Cast enums for comparison.
8656         * rtl.h (GET_CODE): Cast to enum rtx_code.
8657         (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
8658         (GET_MODE): Cast to enum machine_mode.
8659         (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
8660         (GET_NOTE_INSN_NAME): Cast enum to int.
8661         * tree.h (TREE_CODE): Cast to enum tree_code.
8662         (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
8663         * timevar.c (timevar_print): Change loop variable id from enum to
8664         unsigned int.
8665         * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
8666         * config/i386/i386.md: Use PUT_MODE for mode assignment.
8667         * toplev.c (compile_file): Cast enum DFI to int.
8668         (decode_d_option): Likewise.
8669
8670 Fri Mar  2 12:18:13 2001  Christopher Faylor <cgf@cygnus.com>
8671
8672         * cppinit.c (append_include_chain): Mark "after" include file name list
8673         as a system directory.
8674         * cpp.texi: Document new behavior.
8675
8676 Fri Mar  2 11:59:43 CET 2001  Jan Hubicka  <jh@suse.cz>
8677
8678         * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
8679
8680 2001-03-02  Neil Booth  <neil@daikokuya.demon.co.uk>
8681
8682         * cppfiles.c (struct include_file): Update.
8683         (stack_include_file): Use search_from.
8684         (cpp_included, find_include_file): Update.
8685         (cpp_execute_include): Update.  ptr->name may not be
8686         null terminated.  Use the new search_from member variable
8687         of cpp_buffer.
8688         (_cpp_compare_file_date): Similarly.
8689         (search_from): New function, similiar to actual_directory.
8690         (actual_directory): Delete.
8691         (remap_filename): Update.  loc->name may not be null terminated.
8692         (struct file_name_list): Rename search_path.  Update.
8693         * cpphash.h (struct cpp_buffer): Delete actual_dir.  New members
8694         search_from and dir.
8695         (struct cpp_reader): Remove actual_dirs.
8696         * cppinit.c (struct cpp_pending): Update for renamed objects.
8697         (append_include_chain, remove_dup_dir, remove_dup_dirs,
8698         merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
8699         * cpplib.h (struct cpp_options): Similarly.
8700
8701 2001-03-01  Zack Weinberg  <zackw@stanford.edu>
8702
8703         * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
8704         config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
8705         config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
8706         config/clipper/xm-clix.h, config/convex/xm-convex.h,
8707         config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8708         config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8709         config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8710         config/i370/xm-linux.h, config/i370/xm-mvs.h,
8711         config/i370/xm-oe.h, config/i386/xm-aix.h,
8712         config/i386/xm-i386.h, config/i386/xm-osf.h,
8713         config/i860/xm-i860.h, config/i960/xm-i960.h,
8714         config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
8715         config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
8716         config/mcore/xm-mcore.h, config/mips/xm-mips.h,
8717         config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
8718         config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
8719         config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8720         config/pa/xm-pahpux.h, config/pa/xm-papro.h,
8721         config/pj/xm-pj.h, config/romp/xm-romp.h,
8722         config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8723         config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8724         config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8725         config/v850/xm-v850.h, config/vax/xm-vax.h,
8726         config/vax/xm-vms.h, config/we32k/xm-we32k.h:
8727         Do not define TRUE or FALSE.
8728
8729         * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
8730         empty by above change.
8731         * config.gcc: Remove references to these files.
8732
8733         * configure.in: Detect stdbool.h.
8734         * configure, config.in: Regenerate.
8735         * system.h: Include stddef.h here if available.
8736         Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
8737         Then set up a sensible boolean type at the very end.
8738
8739         * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
8740         config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
8741
8742         * hash.h: Delete 'boolean' typedef and related #undefs.
8743
8744         * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
8745         all uses of 'boolean' with 'bool'.
8746
8747 2001-03-01  John David Anglin  <dave@hiauly1.hia.nrc.ca>
8748
8749         * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
8750         * cppexp.c (lex): Cast enums for comparison.
8751         * cppinit.c (parse_option): Cast enum for comparison.
8752         * cpplex.c (cpp_spell_token): Cast enums to int for minus.
8753         (cpp_output_token): Likewise.
8754         (cpp_can_paste): Cast enums for comparsion and plus/minus.
8755         (cpp_avoid_paste): Cast enums for minus and comparison.
8756
8757 2001-03-01  Zack Weinberg  <zackw@stanford.edu>
8758
8759         * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
8760         field to all array elements.
8761
8762 2001-03-01  Zack Weinberg  <zackw@stanford.edu>
8763
8764         * cpphash.h (struct cpp_reader): Add print_version field.
8765         * cppinit.c (cpp_handle_option): For -v, -version, and --version,
8766         just set print_version and other flags as appropriate.
8767         (cpp_post_options): Print version here if print_version is set.
8768
8769         * toplev.c (exit_after_options): New flag.
8770         (independent_decode_option): Don't exit here; just set
8771         exit_after_options.
8772         (main): Exit after calling lang_hooks.post_options if
8773         exit_after_options is true.
8774
8775         * cppinit.c (append_include_chain): Drop never-used case QUOTE.
8776         (merge_include_chains): Adjust comment to match code.
8777
8778 2001-03-01  Zack Weinberg  <zackw@stanford.edu>
8779
8780         * stringpool.c (set_identifier): New function.
8781         * tree.h: Prototype it.
8782
8783         * c-parse.in: Kill D_YES. If compiled for objc, call
8784         save_and_forget_protocol_qualifiers from init_reswords.
8785         * objc/objc-act.c (remember_protocol_qualifiers,
8786         forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
8787         Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
8788         vice versa.
8789         (save_and_forget_protocol_qualifiers): New function.
8790         * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
8791
8792 2001-03-01  Diego Novillo  <dnovillo@redhat.com>
8793
8794         * c-semantics.c (prune_unused_decls): Return error_mark_node
8795         instead of (tree) 1 to stop traversing the tree chain.
8796
8797 2001-03-01  Bernd Schmidt  <bernds@redhat.com>
8798
8799         Fix a problem introduced by Kenner's Feb 18 change.
8800         * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
8801         flag_cse_skip_blocks only temporarily, not for ever.
8802
8803 Thu Mar  1 09:49:58 2001  Jeffrey A Law  (law@cygnus.com)
8804
8805         * config/pa/som.h  (ASM_IDENTIFY_GCC): Define.
8806         (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
8807
8808         * pa.c (emit_move_sequence): Verify operand0 is a hard register
8809         before determining its register class.
8810
8811 2001-03-01  Bernd Schmidt  <bernds@redhat.com>
8812
8813         * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
8814         from reg 4 if current_function_calls_setjmp.
8815         (gen_nop_type): New function.
8816         (ia64_emit_nops): New function.
8817         (ia64_reorg): Call it.
8818         (ia64_sched_reorder): Move code that rotates bundles up a bit.
8819
8820         * reload1.c (eliminate_regs_in_insn): Restrict the special case
8821         code not to try to optimize adds with anything but a REG destination.
8822
8823         * sched-int.h (struct haifa_insn_data): Add new member priority_known.
8824         (INSN_PRIORITY_KNOWN): New accessor macro.
8825         * haifa-sched.c (priority): Use it instead of testing priority against
8826         zero.
8827
8828 2001-02-28  DJ Delorie  <dj@redhat.com>
8829
8830         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
8831         since that doesn't work the way gcc wants on a generic m68k.
8832
8833 2001-02-28  Richard Henderson  <rth@redhat.com>
8834
8835         * caller-save.c (save_call_clobbered_regs): Fix typo in
8836         comparison last change.
8837
8838 Wed Feb 28 19:31:42 CET 2001  Jan Hubicka  <jh@suse.cz>
8839
8840         * i386.c (pentium4_cost): New.
8841         (m_PENT4): New macro.
8842         (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
8843         x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
8844         x86_integer_DFmode_moves, x86_partial_reg_dependency,
8845         x86_memory_mismatch_stall): Add Pentium4
8846         (x86_use_q_reg, x86_use_any_reg): Kill.
8847         (override_options): Add pentium4.
8848         (incdec_operand): Return 0 for pentium4.
8849         (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
8850         * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
8851         (TARGET_PENTIUM4): Define.
8852         (enum processor_type): Add PROCESSOR_PENTIUM4.
8853         (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
8854         * i386.md (attribute "cpu"): Add pentium4.
8855         * invoke.texi (march): Add pentium4.
8856
8857 Wed Feb 28 19:28:06 CET 2001  Jan Hubicka  <jh@suse.cz>
8858
8859         * i386.md (sse_mov?fcc*): New patterns and splitters.
8860         * i386.c (ix86_expand_movcc): Work post-reload; recognize
8861         the SSE based conditional moves.
8862
8863 Wed Feb 28 19:18:23 CET 2001  Jan Hubicka  <jh@suse.cz>
8864
8865         * i386.md (attribute mode): Add "TI".
8866         (movsf_1): Add pxor support; remove constant propagation splitter.
8867         (movdf_integer): Likewise.
8868         (movdf_nointeger): Likewise.
8869         (movxf constant prop splitter): Handle all modes; update for SSE.
8870         * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
8871         * i386.c (standard_80387_constant_p): Rewrite.
8872         (standard_sse_constant_p): New.
8873         * i386-protos.h (standard_sse_constant_p): New.
8874
8875 Wed Feb 28 19:05:37 CET 2001  Jan Hubicka  <jh@suse.cz>
8876
8877         * i386.md (sse_setccsf, sse_setccdf): New.
8878         (sse_cmp* patterns): Use '%D' instead of outputtting condition
8879         flag directly.
8880         * i386.c (sse_comparison_operator): Accept the supported unordered
8881         comparses; be ready for fast_math.
8882         (print_operand): Support 'D'.
8883
8884 Wed Feb 28 18:54:51 CET 2001  Jan Hubicka  <jh@suse.cz>
8885
8886         * jump.c (reversed_comparison_code): Kill.
8887
8888 Wed Feb 28 18:50:15 CET 2001  Jan Hubicka  <jh@suse.cz>
8889
8890         * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
8891         for STACK_REGS
8892
8893 Wed Feb 28 18:47:37 CET 2001  Jan Hubicka  <jh@suse.cz>
8894
8895         * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
8896         add missing '%' in constraints.
8897
8898 Wed Feb 28 17:24:24 CET 2001  Jan Hubicka  <jh@suse.cz>
8899
8900         * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
8901         for HOST_BITS_PER_WIDE_INT == 32 too.
8902
8903 Wed Feb 28 17:22:35 CET 2001  Jan Hubicka  <jh@suse.cz>
8904
8905         * caller-save.c (reg_save_code, reg_restore_code):  Index by mode, not
8906         NREGS.
8907         (insert_save, insert_restore): New parameter save_mode.
8908         (init_caller_save): Update initialization of reg_save_code
8909         and reg_restore_code.
8910         (save_call_clobbered_regs):  Compute save_modes and update calls to
8911         reg_save_code and reg_restore_code.
8912         (insert_restore):  Unsignetize numbers; use save_modes to choose mode
8913         of spill; update use of reg_restore_code.
8914         (insert_save):  Likewise.
8915         * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8916         * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8917         * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
8918
8919 Wed Feb 28 17:19:28 CET 2001  Jan Hubicka  <jh@suse.cz>
8920
8921         * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
8922         noce_try_store_flag_inc, noce_try_store_flag_mask,
8923         noce_try_cmove_arith):
8924         Use reversed_comparison_code instead of reverse_comparison and
8925         can_reverse_comparison_p.
8926
8927 Wed Feb 28 17:17:29 CET 2001  Jan Hubicka  <jh@suse.cz>
8928
8929         * jump.c (reversed_comparison_code_parts): Allow reversal of
8930         unordered compares in -ffast-math mode; reverse ordered compares
8931         for FP even w/o -ffast-math.
8932
8933 2001-02-27  Richard Henderson  <rth@redhat.com>
8934
8935         * print-rtl.c (print_rtx) [i]: Don't print field five on
8936         NOTEs other than NOTE_INSN_DELETED_LABEL.
8937
8938 2001-02-27  Zack Weinberg  <zackw@stanford.edu>
8939
8940         * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
8941         * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
8942
8943 2001-02-27  Diego Novillo  <dnovillo@redhat.com>
8944
8945         * c-common.c (walk_stmt_tree): Visit the chain of the current tree
8946         even if walk_subtrees is 0.
8947         * c-semantics.c (prune_unused_decls): Return a non-null value to
8948         stop traversing the tree chain.
8949
8950 2001-02-27  DJ Delorie  <dj@redhat.com>
8951
8952         * config/m68k/m68k.c (output_function_prologue): Save the new CFA
8953         register, *then* define it as the new CFA.
8954
8955 Tue Feb 27 16:49:13 2001  Jeffrey A Law  (law@cygnus.com)
8956
8957         * pa.c (override_options): Promote -fpic to -fPIC.
8958         (legitimize_pic_address): Simplify due to removal of
8959         small PIC as a code generation option.
8960         (secondary_reload_class): Similarly.
8961         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
8962         (PRINT_OPERAND_ADDRESS): Similarly.
8963         * pa.md (various patterns): Similarly.
8964         (small pic lo_sum pattern): Remove.
8965
8966 Tue Feb 27 16:01:13 CET 2001  Jan Hubicka  <jh@suse.cz>
8967                               Fergus Henderson
8968
8969         * md.texi (min, max): Document
8970
8971 Tue Feb 27 15:51:35 CET 2001  Jan Hubicka  <jh@suse.cz>
8972
8973         * i386.md (movsf, movdf): Use movaps for reg-reg moves if
8974         TARGET_PARTIAL_REG_DEPENDENCY.
8975         (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
8976
8977 Tue Feb 27 15:36:48 CET 2001  Jan Hubicka  <jh@suse.cz>
8978
8979         * i386.md (mins*, maxs*): New patterns, expanders and splitters.
8980
8981 2001-02-26  Jeffrey Oldham  <oldham@codesourcery.com>
8982
8983         * mips.c (mips_make_temp_file): Fix thinko in last change.
8984
8985 2001-02-26  Jason Eckhardt  <jle@redhat.com>
8986
8987         * combine.c (known_cond): Do not reverse the condition when
8988         SMAX/UMAX is being considered and the condition is for equality
8989         or inequality.
8990
8991         * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
8992
8993 2001-02-26  Philip Blundell  <philb@gnu.org>
8994
8995         * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
8996         "armv2-*-linux".
8997         * config/arm/linux-elf.h: Remove historical relics related to
8998         above configurations.
8999         * config/arm/linux-oldld.h: Delete.
9000         * config/arm/linux-elf26.h: Delete.
9001
9002 2001-02-26  Jason Merrill  <jason@redhat.com>
9003
9004         * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
9005         definitions.
9006         * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
9007         recognize a tentative definition.  Lose obsolete code.
9008
9009         * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
9010         variables unless necessary, either.
9011
9012 2001-02-25  Richard Henderson  <rth@redhat.com>
9013
9014         * ifcvt.c (struct noce_if_info): Add test_bb.
9015         (noce_get_alt_condition): New.
9016         (noce_try_minmax, noce_try_abs): New.
9017         (noce_operand_ok): New.
9018         (noce_process_if_block): Use them.
9019         * rtlanal.c (may_trap_p): NEG and ABS can never trap.
9020
9021 Sun Feb 25 14:26:17 2001  Christopher Faylor <cgf@cygnus.com>
9022
9023         * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
9024         include.
9025
9026 2001-02-25  Zack Weinberg  <zackw@stanford.edu>
9027
9028         * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
9029         * config/mips/mips.c (mips_make_temp_file): Set temp_filename
9030         properly.
9031         (mips_asm_file_end): Free temp_filename here.
9032
9033 Sun Feb 25 08:34:23 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9034
9035         * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
9036         * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
9037
9038         * config/i386/i386.md (movstrsi): Handle FAIL case.
9039
9040 2001-02-25  Neil Booth  <neil@daikokuya.demon.co.uk>
9041
9042         * cppinit.c (builtin_array): Update.
9043         (init_builtins): Flag builtins to warn if redefined or
9044         undefined.  Define __GXX_WEAK as a normal macro.
9045         * cpplib.c (do_undef): Warn if flagged NODE_WARN.
9046         * cpplib.h (NODE_WARN): New flag.
9047         * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
9048         Handle __STDC__ as a builtin only on Solaris.
9049         (warn_of_redefinition): Renamed from check_macro_definition.
9050         Reverse sense of test.  Always warn if NODE_WARN.
9051         (_cpp_create_definition): Use warn_of_redefinition.  Flag
9052         any macro beginning with "__STDC_" to require a mandatory
9053         warning if redefined or undefined.
9054
9055 2001-02-24  Zack Weinberg  <zackw@stanford.edu>
9056
9057         * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
9058         i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
9059         i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
9060         i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
9061         m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
9062         mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
9063         Don't define any of:
9064         USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
9065         P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
9066         NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
9067         index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
9068         STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
9069
9070         * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
9071         fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
9072         definitions.
9073
9074         * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
9075         Delete now-empty file.
9076
9077         * alpha/vms.h: Define NEED_ATEXIT here...
9078         * alpha/xm-vms.h: ...not here.
9079
9080         * i386/cygwin.h: Don't define PARAMS.
9081         * mips/mips.c: Don't prototype mktemp.  Don't define
9082         P_tmpdir.  Use make_temp_file to create temporary files.
9083         Don't be clever and delete temporary files early.
9084         * config.gcc: Drop references to deleted files.  Don't define
9085         FULL_PROTOTYPES.
9086         * gcc.texi: Don't mention USE_PROTOTYPES.
9087
9088 Sat Feb 24 20:25:29 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9089
9090         * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
9091         (ix86_set_move_mem_attrs_1): Likewise.
9092         * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
9093         * config/i386/i386.md (movstrsi): Call it.
9094
9095 2001-02-24  Zack Weinberg  <zackw@stanford.edu>
9096
9097         * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
9098         x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
9099         ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
9100         rs6000/x-aix41-gld.  These are nonexistent, empty, or obsolete.
9101
9102         (i750a-*-*): Error here if hosting on i750a.
9103         (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
9104
9105         * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
9106         Remove (empty modulo comments).
9107
9108         * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
9109         alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
9110         i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
9111         i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
9112         mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
9113         rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
9114
9115         * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
9116         Remove reference to winnt.h in comment.
9117         * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
9118
9119 2001-02-24  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
9120
9121         * loop.c (check_dbra_loop): A biv has uses besides counting if it is
9122         used to set another biv.
9123
9124 Sat Feb 24 06:45:21 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9125
9126         * tree.h (BLOCK_DEAD): New macro.
9127         (struct tree_block): New flag, dead_flag.
9128         * print-tree.c (print_node, case 'b'): Print missing fields.
9129         * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
9130         * function.c (identify_blocks): Enable test for misplaced notes.
9131         (all_blocks): Skip BLOCK_DEAD blocks.
9132         * integrate.c (integrate_decl_tree): Likewise.
9133
9134         * errors.c (internal_error, trim_filename): New functions.
9135         (fancy_abort): Call internal_error.
9136         * errors.h (internal_error, trim_filename): New declarations.
9137
9138 2001-02-24  Alexandre Oliva  <aoliva@redhat.com>
9139
9140         * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
9141         2000-08-26's patch.
9142         (EXTRA_CONSTRAINT): Formatting changes.
9143
9144 2001-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9145
9146         * rtl.c (rtl_check_failed_code2): Fix typo in last change.
9147
9148 2001-02-23  Per Bothner  <per@bothner.com>
9149
9150         * gcc.c (record_temp_file, pfatal_with_name, error):  Make non-static,
9151         so they can be called from java/jvspec.c.
9152         * gcc.h (record_temp_file, pfatal_with_name, error):  Declare.
9153
9154 Sat Feb 24 03:32:50 CET 2001  Jan Hubicka  <jh@suse.cz>
9155
9156         * i386.c (ix86_frame): New structure.
9157         (ix86_compute_frame_size): Kill.
9158         (ix86_compute_frame_layout): New.
9159         (ix86_save_reg): New.
9160         (ix86_can_use_return_insn_p): Use frame layout stuff.
9161         (ix86_expand_prologue): Likewise.
9162         (ix86_expand_epilogue): Likewise.
9163         (ix86_initial_elimination_offset): Likewise.
9164         (ix86_nsaved_regs): Use ix86_save_reg.
9165         (ix86_emit_save_regs): Likewise.
9166
9167 Sat Feb 24 03:30:38 CET 2001  Jan Hubicka  <jh@suse.cz>
9168
9169         * flow.c (find_sub_basic_blocks): New function.
9170         (split_block): Be ready for basic block introduced by CODE_LABEL.
9171         (commit_one_edge_insertion): Call find_sub_basic_block.
9172
9173         * flow.c (make_edges): Add edge from entry for blocks starting with
9174         label having ALTERNATE_NAME
9175
9176 Sat Feb 24 03:19:42 CET 2001  Jan Hubicka  <jh@suse.cz>
9177
9178         * function.c (epilogue_done): Be ready for first basic block not
9179         containing PROLOGUE_END note.
9180         (reposition_prologue_and_epilogue_notes): Avoid placing
9181         PROLOGUE_END note between BASIC_BLOCK.
9182
9183 Sat Feb 24 03:17:09 CET 2001  Jan Hubicka  <jh@suse.cz>
9184
9185         * loop.c (canonicalize_condition): Move to reversed_comparison_code.
9186
9187 2001-02-21  DJ Delorie  <dj@redhat.com>
9188
9189         * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
9190         check for current_function_has_nonlocal_goto from 1999-11-12.
9191
9192 Fri Feb 23 15:28:39 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9193
9194         * diagnostic.c (trim_filename): No longer static.
9195         * toplev.h (trim_filename): Declare.
9196         * rtl.c (rtl_check_failed_bounds): Call internal_error.
9197         (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
9198         (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
9199         (rtvec_check_failed_bounds): Likewise.
9200         * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
9201
9202         * convert.c (convert_to_integer): Don't do unsigned unless result or
9203         both inputs are unsigned.
9204
9205         * fold-const.c (fold_convert): Don't call size_int_type_wide if
9206         input overflows.
9207
9208         * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
9209
9210         * varasm.c (output_constant): Recompute CODE after lang-specific fn.
9211
9212 2001-02-23  Jeffrey Oldham  <oldham@codesourcery.com>
9213
9214         * Makefile.in (resource.o): Add params.h dependence.
9215         * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
9216         * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
9217         * resource.c: Add dependence on params.h.
9218         (current_live_regs): Fix explanatory comment.
9219         (find_basic_block): Add new parameter to permit limiting search
9220         for a BARRIER.
9221         (mark_target_live_regs): Add new argument to find_basic_block call.
9222         (incr_ticks_for_insn): Likewise.
9223
9224 2001-02-23  Gabriel Dos Reis  <gdr@merlin.codesourcery.com>
9225
9226         * diagnostic.c (output_to_stream): Rename to
9227         output_buffer_to_stream. Loses the stream parameter.
9228         (init_output_buffer): Set diagnosic_buffer's stream.
9229         (flush_diagnostic_buffer): Adjust.
9230         (default_print_error_function): Likewise.
9231         (finish_diagnostic): Likewise.
9232         (verbatim): Likewise.
9233
9234         * diagnostic.h (struct output_buffer): Add `stream' field.
9235         (output_buffer_attached_stream): New macro.
9236
9237 2001-02-23  Jakub Jelinek  <jakub@redhat.com>
9238
9239         * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
9240         check if either operand is divisible by C.
9241         (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
9242         If type is signed, consider negative numbers as well.
9243
9244 2001-02-22  Richard Henderson  <rth@redhat.com>
9245
9246         * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
9247         reach .text instead of gp-relative relocs.
9248         * config/ia64/crtend.asm (.init): Likewise.
9249
9250 2001-02-22  Andreas Jaeger  <aj@suse.de>
9251
9252         * extend.texi (C++ Attributes): Fix typo.
9253
9254 2001-02-21  David Mosberger  <davidm@hpl.hp.com>
9255
9256         * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
9257         functions, drop current_function_args_info.words test.
9258         (ia64_compute_frame_size): Mark syscall_linkage functions as
9259         using eight input registers.
9260
9261 2001-02-21  Loren J. Rittle  <ljrittle@acm.org>
9262         Bruce Korb  <bkorb@gnu.org>
9263
9264         * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
9265         * fixinc/README: Document how to convert sed substitutions
9266         to format style c_fix-es.
9267         * fixinc/fixincl.x: regen
9268
9269 2001-02-21  Jeffrey D. Oldham  <oldham@codesourcery.com>
9270
9271         * gcc.c: Add comment explaining how to add a command-line option.
9272         Add title to specs language comment.
9273
9274 2001-02-21  Jeffrey Oldham  <oldham@codesourcery.com>
9275
9276         * gcc.c (cc1_options): Add "-param".
9277         (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
9278         (option_map): Likewise.
9279         * toplev.c (display_help): Add entry for "--param".
9280         (independent_decode_option): Fix typographical error.
9281
9282 Wed Feb 21 18:57:28 CET 2001  Catherine Moore  <clm@redhat.com>
9283                               Bernd Schmidt  <bernds@redhat.com>
9284                               Jan Hubicka  <jh@suse.cz>
9285
9286         * i386.c (function_arg_advance):  Pass SSE arguments in registers.
9287         (function_arg): Likewise.
9288
9289 Wed Feb 21 18:12:41 CET 2001  Jan Hubicka  <jh@suse.cz>
9290
9291         * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
9292
9293 2001-02-21  Kazu Hirata  <kazu@hxi.com>
9294
9295         * config/h8300/h8300.md (iorsi3): Do not output an extra newline
9296         character.
9297         (xorsi3): Likewise.
9298
9299 Wed Feb 21 17:35:24 CET 2001  Jan Hubicka  <jh@suse.cz>
9300
9301         * flow.c (init_propagate_block_info): Canon address and use single_set
9302         for killing dead memory stores.
9303
9304 2001-02-21  Jeffrey Oldham  <oldham@codesourcery.com>
9305
9306         * Makefile.in (reorg.o): Add params.h dependence.
9307         * params.def: Fix typographical error in comment.
9308         (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9309         * params.h: Modify introductory comment.
9310         (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9311         * reorg.c: Add dependence on params.h.
9312         (redundant_insn): Add parameterized throttle for search.
9313         (fill_simple_delay_slots): Add a comment explaining a variable.
9314         Move conditional out of loop, simplifying code.
9315         (fill_eager_delay_slots): Fix typographical error in comment.
9316
9317 2001-02-20  Aldy Hernandez  <aldyh@redhat.com>
9318
9319         * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
9320
9321         * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
9322         (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
9323
9324 2001-02-21  Jason Merrill  <jason@redhat.com>
9325
9326         * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
9327         (struct tree_decl): Add uninlinable bitfield.
9328         * c-decl.c (duplicate_decls): Set it.
9329         * integrate.c (function_cannot_inline_p): Check it.
9330
9331         * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
9332         DW_AT_MIPS_linkage_name to abstract methods.
9333         (dwarf2out_abstract_function): Emit class context before calling
9334         set_decl_abstract_flags.  Don't clear DECL_ABSTRACT.
9335         (gen_subprogram_die): Remove obsolete code.
9336         (gen_member_die): Don't include clones in the member list.
9337         (gen_decl_die): Emit abstract info for clone origin.
9338         * dwarfout.c (output_type): Don't include clones in the member list.
9339         * dbxout.c (dbxout_type_methods): Ignore abstract methods.
9340         * toplev.c (note_deferral_of_defined_inline_function): Don't clear
9341         DECL_ABSTRACT on a function that already has it set.
9342
9343         * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
9344         (get_subprogram_die): Pass it in.
9345
9346 2001-02-21  Richard Earnshaw  <rearnsha@arm.com>
9347
9348         * flow.c (mark_set_1): Make not_dead unsigned long.  For
9349         non-pseudos, use it as a bitmask of the hard regs that
9350         don't die.
9351
9352 2001-02-21  Neil Booth  <neil@daikokuya.demon.co.uk>
9353
9354         * cppfiles.c: Update comments.
9355         (_cpp_read_file): Don't check for NULL filenames any more.
9356         * cppinit.c (cpp_start_read): Don't do canonicalization of
9357         in_fname and out_fname.  Use the passed file name exclusively.
9358         (_cpp_handle_options): Don't treat "-" as a command line option,
9359         but as a normal filename.
9360         (_cpp_post_options): Canonicalize in_fname and out_fname.
9361         * cppmain.c (printer_init): Don't check out_fname for NULL.
9362         * c-lex.c (orig_filename): Rename cpp_filename for clarity.
9363         (init_c_lex): Update, and use "" to represent stdin to CPP.
9364         (yyparse): Update.
9365
9366 2001-02-20  Will Cohen  <wcohen@redhat.com>
9367
9368         * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
9369         * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
9370         (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
9371         fixunstfsi_libfunc.
9372
9373 2001-02-20  Stan Shebs  <shebs@apple.com>
9374
9375         * config/rs6000/rs6000.c (output_cbranch): Output branches
9376         on separate lines instead of using ';' to separate.
9377
9378 2001-02-20  Neil Booth  <neil@daikokuya.demon.co.uk>
9379
9380         * cppinit.c (set_lang):  Move builtin handling to...
9381         (init_builtins): ...here.
9382         (_cpp_create_reader): Move call to set_lang.
9383
9384 2001-02-20  Mark Mitchell  <mark@codesourcery.com>
9385
9386         * stmt.c (expand_return): If an attempt is made to return the
9387         error_mar_node, treat the return like a return without a value.
9388
9389 2001-02-19  Zack Weinberg  <zackw@stanford.edu>
9390
9391         * sibcall.c (skip_copy_to_return_value): Call
9392         identify_call_return_value here, and return orig_insn if it
9393         returns zero.  Hardret and softret arguments now unnecessary.
9394         (call_ends_block_p): Don't call identify_call_return_value here.
9395
9396         * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
9397         's' slots in RTXen.
9398         * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
9399         * ggc.h (ggc_mark_if_gcable): Delete prototype.
9400
9401 Mon Feb 19 20:30:16 2001  Jeffrey A Law  (law@cygnus.com)
9402
9403         * pa.c (move_operand): Accept code to load the address of a
9404         symbol out of the DLT as a valid move operand.
9405         (print_operand, case 'A'): New to handle generating a DLT
9406         reference for a LO_SUM expression.
9407         * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
9408         * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
9409
9410 2001-02-19  Joseph S. Myers  <jsm28@cam.ac.uk>
9411
9412         * README, cpp.texi, gcc.texi, version.c: Update version number to
9413         3.1.
9414         * cpp.1, gcov.1, gcc.1: Regenerate.
9415
9416 2001-02-19  Neil Booth  <neil@daikokuya.demon.co.uk>
9417
9418         * cppfiles.c (stack_include_file): Generate dependencies
9419         here, and manage include_count here too.
9420         (PRINT_THIS_DEP): Delete.
9421         (_cpp_execute_include): Do not generate dependencies here,
9422         apart from the case of a missing header.  Do not manage
9423         include_count.
9424         (_cpp_read_file): Leave dependency generation to
9425         stack_include_file.
9426
9427 Mon Feb 19 10:17:47 2001  Jeffrey A Law  (law@cygnus.com)
9428
9429         * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
9430         target_cpu_default.  Remove dead assignment to
9431         target_cpu_default.
9432
9433 Mon Feb 19 16:47:39 CET 2001  Jan Hubicka  <jh@suse.cz>
9434
9435         * regclass.c (contains_reg_of_mode): Make global.
9436         (init_reg_sets): Remove contains_reg_of_mode; take into account
9437         CLASS_MAX_NREGS when looking for the proper mode.
9438         (dump_regclass): Dump only classes considered for the pseudo.
9439         (regclass): Use contains_reg_of_mode.
9440
9441 Mon Feb 19 16:45:42 CET 2001  Jan Hubicka  <jh@suse.cz>
9442
9443         * gcc.c (do_spec_1): 'n' for printing notices.
9444         * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
9445
9446 Mon Feb 19 15:51:30 CET 2001  Jan Hubicka  <jh@suse.cz>
9447
9448         * reg-stack.c (next_flags_user): Use current_block->end
9449         (swap_rtx_condition): Look for next user if flags don't die;
9450         give up on CALL_INSNs; use current_block->end.
9451
9452 Mon Feb 19 08:27:21 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9453
9454         * sibcall.c (call_ends_block_p): New function.
9455         (optimize_sibling_and_tail_recursive_call): Use it.
9456
9457 2001-02-18  Kazu Hirata  <kazu@hxi.com>
9458
9459         * config/h8300/h8300.md: Update copyright.
9460         (andsi3): Do not output an extra newline character.
9461
9462 Sun Feb 18 15:45:17 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9463
9464         * toplev.c (note_deferral_of_defined_inlined_function): Argument
9465         FNDECL may be unused.
9466
9467         * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
9468         follow jumps after first run.
9469         If -fexpensive-optimizations rerun CSE after GCSE and iterate until
9470         it doesn't change any jumps.
9471
9472 Sun Feb 18 17:05:50 2001  Jeffrey A Law  (law@cygnus.com)
9473
9474         * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
9475         ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
9476         (mostlyclean): Corresponding changes.
9477         * rtlanal.c (hard-reg-set.h): Include.
9478         (rtx_unstable_p): Do not treat the argument pointer specially
9479         if it is not a fixed register.
9480         (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
9481
9482 Sun Feb 18 15:45:17 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9483
9484         * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
9485         against last real insn in basic block.
9486         Rework to avoid gotos.
9487
9488         * Makefile.in (gcse.o): Now includes ggc.h.
9489         * gcse.c: Include ggc.h.
9490         (want_to_gcse_p): Verify expression can be in SET as valid insn.
9491         (try_replace_reg): Remove warning of uninitialize variable.
9492         (process_insert_insn): Call invalid_insn_p to validate insn.
9493         * recog.c (insn_invalid_p): Now global.
9494         See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
9495         * recog.h (insn_invalid_p): New declaration.
9496
9497         * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
9498
9499         * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
9500         assignments from FP constants since 'Y' output code can't handle it.
9501         (eligible_for_sibcall_delay): Likewise.
9502
9503         * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
9504         Call fancy_abort directly, passing args.
9505         (print_rtl_and_abort): Now a macro, like fancy_abort.
9506
9507         * final.c (output_operand_lossage): Use internal_error, not error.
9508
9509 2001-02-18  Shane Nay  <shane@agendacomputing.com>
9510
9511         * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
9512         structure shift insns.
9513
9514 2001-02-18  Mark Mitchell  <mark@codesourcery.com>
9515
9516         * invoke.texi (-fsquangle): Remove documentation.
9517         (-fname-mangling-version): Likewise.
9518
9519 2001-02-18  Lars Brinkhoff  <lars@nocrew.org>
9520
9521         * optabs.c (expand_abs): Remove reference to
9522         HAVE_contitional_arithmetic.
9523         * combine.c (simplify_set): Likewise.
9524
9525 2001-02-18  Richard Henderson  <rth@redhat.com>
9526
9527         * ifcvt.c (dead_or_predicable): Don't move code if eh regions
9528         would be disrupted.
9529
9530 2001-02-18  Richard Henderson  <rth@redhat.com>
9531
9532         * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
9533
9534         * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
9535
9536         * reload1.c (reload_cse_simplify_set): Fix typo.
9537
9538 Sun Feb 18 09:30:09 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9539
9540         * diagnostic.c (_fatal_insn): Decrement errorcount.
9541
9542         * invoke.texi (-I): Add note avoiding use for system header files.
9543
9544         * rtl.h (add_clobbers): Remove duplicate declaration.
9545         * recog.h (added_clobbers_hard_reg_p): New declaration.
9546         * genemit.c (struct clobber_pat): New field has_hard_reg.
9547         (gen_insn): Record if added clobbers clobber hard reg.
9548         (gen_split): Avoid unused warning if number of operands is 0.
9549         (output_added_clobbers_hard_reg_p): New function.
9550         (main): Call it.
9551
9552 2001-02-18  Alan Modra <alan@linuxcare.com.au>
9553
9554         * pa.c (hppa_expand_prologue): Simplify code storing return
9555         pointer.  For large (>=8k) frames with a post_store, adjust stack
9556         pointer by 8k-64 first rather than by 64.  When testing with
9557         VAL_14_BITS_P, always use the actual value rather than the value
9558         negated.  Add blockage to prevent scheduling of spills before
9559         stack frame has been created.
9560         (hppa_expand_epilogue): Simplify code loading return pointer.
9561         Allow a slightly larger range for merge_sp_adjust_with_load case.
9562         When testing with VAL_14_BITS_P, always use the actual value.
9563
9564         * pa.c (pa_adjust_insn_length): Check that block move
9565         pattern is a set before looking at operands.
9566
9567 2001-02-17  Mark Mitchell  <mark@codesourcery.com>
9568
9569         * fold-const.c (fold_binary_op_with_conditional_arg): New
9570         function, split out from ...
9571         (fold): ... here.
9572         * tree.def (COND_EXPR): Document the use of VOID_TYPE for
9573         conditional arms that throw exceptions.
9574
9575         * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
9576         looking at a BLOCK.
9577
9578 2001-02-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9579
9580         * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
9581         define HAVE_DECL_* to 1 to mask potential backup declarations.
9582         * configure: Regenerated.
9583
9584 2001-02-17  Mark Mitchell  <mark@codesourcery.com>
9585
9586         * invoke.texi (-Woverloaded-virtual): Clarify documentation.
9587
9588 2001-02-17  Richard Henderson  <rth@redhat.com>
9589
9590         * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
9591         when replacing a memory load with a register.
9592
9593 Sat Feb 17 14:48:30 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9594                           Jan Hubicka  <jh@suse.cz>
9595
9596         * recog.c (validate_replace_src_1): New.
9597         (validate_replace_src_data): Likewise.
9598         (validate_replace_src): Use note_uses.
9599         * rtl.h (note_uses): Declare.
9600         * rtlanal.c (note_uses): New.
9601
9602 Sat Feb 17 10:52:34 CET 2001  Jan Hubicka  <jh@suse.cz>
9603
9604         * reg-stack.c (stack_def): Make field reg unsigned.
9605         (remove_regno_note): Unsignetize parameter.
9606
9607 2001-02-16  Jes Sorensen  <jes@linuxcare.com>
9608
9609         * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
9610         shladd_operand() call.
9611
9612 2001-02-16  Bruce Korb  <bkorb@gnu.org>
9613             Rodney Brown  <RodneyBrown@mynd.com>
9614
9615         * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
9616         * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
9617         machine restrictions
9618         * fixinc/fixincl.x: regen
9619
9620 Fri Feb 16 12:41:30 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9621
9622         * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
9623         Don't CSE a nop.
9624         (hash_scan_insn): Clean up calls to hash_scan_set.
9625         (compute_kill_rd): REGNO now unsigned.
9626         (try_replace_reg): Rework to use simplify_replace_rtx.
9627         (cprop_jump, cprop_cc0_jump): Likewise.
9628         (cprop_insn): Call find_reg_equal_equiv_note.
9629         Reflect changes to cprop_jump and cprop_cc0_jump.
9630
9631         * recog.c (validate_replace_src): Replace in operands of
9632         ZERO_EXTRACT in SET_DEST.
9633
9634         * cse.c (new_label_ref): New variable.
9635         (insert): Set it instead of recorded_label_ref.
9636         (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
9637         CODE_LABEL for this function, and not already in REG_LABEL note.
9638
9639 2001-02-16  Jeffrey Oldham  <oldham@codesourcery.com>
9640
9641         * resource.c (mark_referenced_resources): Fix typo in introductory
9642         comment.
9643         * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
9644         string constant.
9645
9646 2001-02-16  Jason Merrill  <jason@redhat.com>
9647
9648         * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
9649         NULL.
9650         (gen_subprogram_die): Don't abort on seeing a second definition if
9651         the previous one was abstract.  Don't replace an abstract instance
9652         in the lookup table.
9653
9654         * dwarf2out.c (dwarf2out_abstract_function): Rename from
9655         gen_abstract_function.
9656         * dwarf2out.h: Declare it.
9657         * toplev.c (note_outlining_of_inline_function): New fn.
9658         * toplev.h: Declare it.
9659         * integrate.c (output_inline_function): Call it.
9660         * c-decl.c (duplicate_decls): Call it when redefining an extern
9661         inline.  Don't inline the new defn.
9662
9663         * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
9664
9665 2001-02-16  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
9666
9667         * .gdbinit: Rename to gdbinit.in.
9668         * gdbinit.in: New file,
9669         * configure.in: Generate .gdbinit from gdbinit.in.
9670         * configure: Regenerated.
9671         * Makefile.in (distclean): Always remove .gdbinit.
9672
9673 2001-02-16  Jakub Jelinek  <jakub@redhat.com>
9674
9675         * objc/objc-act.c (start_class): Register implemented_classes with
9676         GC.
9677
9678 2001-02-16  Neil Booth  <neil@daikokuya.demon.co.uk>
9679
9680         * cppfiles.c (_cpp_make_system_header): Generate a file
9681         change callback.
9682
9683 2001-02-15  Jim Meyering  <meyering@lucent.com>
9684
9685         * Makefile.in (install-common): Don't depend on installdirs here.
9686         Instead, make each of the lang.install-common targets (e.g.,
9687         c++.install-common in cp/Make-lang.in) depend on it.
9688         (install-driver): Depend on installdirs.
9689
9690 Thu Feb 15 21:30:26 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9691
9692         * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
9693
9694         * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
9695         do in memory.
9696
9697 2001-02-15  Mark Mitchell  <mark@codesourcery.com>
9698
9699         * invoke.texi (--param): Document.
9700
9701 Thu Feb 15 15:16:38 2001  Alexandre Oliva  <aoliva@redhat.com>
9702
9703         * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
9704
9705 Thu Feb 15 10:52:31 CET 2001  Jan Hubicka  <jh@suse.cz>
9706
9707         * i386.md (extendsfdf2_2): Fix constraints.
9708
9709 Thu Feb 15 09:46:21 CET 2001  Jan Hubicka  <jh@suse.cz>
9710
9711         * i386.md (fop_df_3 splitter): Fix operand number.
9712
9713 Wed Feb 14 12:37:37 CET 2001  Jan Hubicka  <jh@suse.cz>
9714
9715         * invoke.texi (-mreg-alloc): Nuke.
9716         * i386.c (ix86_reg_alloc_order, regs_allocated,
9717         order_regs_for_local_alloc): Nuke.
9718         (override_options): Kill reg_alloc code.
9719         * i386.h (TARGET_OPTIONS): Kill reg-alloc.
9720         (REG_ALLOC_ORDER): SSE goes before I387.
9721         (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
9722         (ix86_reg_alloc_order): Likewise.
9723         * i386-protos.h (ix86_reg_alloc_order): Kill.
9724
9725 2001-02-14  Richard Henderson  <rth@redhat.com>
9726
9727         * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
9728
9729 Wed Feb 14 11:59:58 CET 2001  Jan Hubicka  <jh@suse.cz>
9730
9731         * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
9732
9733 Wed Feb 14 11:12:38 CET 2001  Jan Hubicka  <jh@suse.cz>
9734
9735         * i386-protos.h (ix86_memory_move_cost): Move offline.
9736         * i386.c (ix86_register_move_cost): Compute properly cost of
9737         SSE, MMX and i387 instructions.
9738         (*_cost): Add costs of SSE/MMX moves.
9739         (ix86_memory_move_cost): Move offline from ....; Likewise.
9740         * i386.h (MEMORY_MOVE_COST): .... here;
9741         (struct processor costs): Add new fields to represent costs
9742         of SSE/MMX moves.
9743
9744 Wed Feb 14 10:08:26 CET 2001  Jan Hubicka  <jh@suse.cz>
9745
9746         * regclass.c (init_reg_sets_1): Reinstall the optimization of
9747         move_cost together with Matt Kraai's fix.
9748
9749 2001-02-14  Jeffrey Oldham  <oldham@codesourcery.com>
9750
9751         * Makefile.in (OBJS): Add params.o.
9752
9753 2001-02-14  Richard Henderson  <rth@redhat.com>
9754             DJ Delorie  <dj@redhat.com>
9755
9756         * jump.c (jump_optimize_1): When we delete a conditional jump
9757         preceeding a non-conditional jump to effectively the same place,
9758         make sure that the combined jump skips any clobber insns between
9759         the two labels.
9760
9761 2001-02-14  Jeffrey Oldham  <oldham@codesourcery.com>
9762
9763         * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
9764
9765 2001-02-14  Mark Mitchell  <mark@codesourcery.com>
9766
9767         * Makefile.in (toplev.o): Depend on params.h.
9768         (intergate.o): Likewise.
9769         (params.o): New target.
9770         * flags.h (inline_max_insns): Remove.
9771         * integrate.c: Include params.h.
9772         Use MAX_INLINE_INSNS instead of inline_max_insns.
9773         * params.c: New file.
9774         * params.h: Likewise.
9775         * params.def: Likewise.
9776         * toplev.c: Include params.h.
9777         (lang_independent_params): New variable.
9778         (decode_f_option): Use the param machinery instead of setting
9779         max_inline_insns.
9780         (independent_decode_option): Handle "--param name=value".
9781         (main): Register language-independent parameters.
9782
9783 Wed Feb 14 11:13:45 CET 2001  Jan Hubicka  <jh@suse.cz>
9784
9785         * i386.md (pushsf, pushdf_nointeger): Fix constraint.
9786
9787 2001-02-14  Richard Henderson  <rth@redhat.com>
9788
9789         * regclass.c (init_reg_sets_1): Revert last two changes.
9790
9791 2001-02-14  Jakub Jelinek  <jakub@redhat.com>
9792
9793         * stor-layout.c (is_pending_size, put_pending_size): New functions.
9794         (variable_size): Call put_pending_size.
9795         * tree.h (is_pending_size, put_pending_size): Add prototypes.
9796         * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
9797         sizes list, put newly created SAVE_EXPR there as well.
9798
9799 2001-02-14  Jakub Jelinek  <jakub@redhat.com>
9800
9801         * config/ia64/ia64.c (last_group): Only 2 entries are needed.
9802         (errata_find_address_regs): load_group has only 2 entries.
9803         (errata_emit_nops): Likewise.  shladd is not problematic.
9804         Clear last_group if nop was emitted.
9805         (fixup_errata): load_group has only 2 entries.
9806         Optimize.
9807
9808 2001-02-14  Neil Booth  <neil@daikokuya.demon.co.uk>
9809
9810         * c-lex.c (lex_number): Only warn traditionally for U suffix
9811         outside system macros.
9812         * cppexp.c (parse_number): Similarly.
9813         * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
9814         * cppmacro.c (struct cpp_macro): New member node.
9815         (parse_args): Only warn about missing rest args if not
9816         a system macro.
9817         (funlike_invocation_p): Similarly for uninvoked funlike macros.
9818         (cpp_sys_objmacro_p): New.
9819         (_cpp_create_definition): Store the node with the macro defn.
9820         Remember if the macro is defined in a system header.
9821
9822 2001-02-13  DJ Delorie  <dj@redhat.com>
9823
9824         * configure.in (check_languages): determine languages to check
9825         * Makefile.in (check-c++): alias for check-g++
9826         (check-f77): alias for check-g77
9827         (CHECK_TARGETS): depend on configured languages
9828
9829 Wed Feb 14 01:13:59 CET 2001  Jan Hubicka  <jh@suse.cz>
9830
9831         * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9832         (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9833         (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9834         (sqrtextendsfdf2): Disable for SSE2.
9835
9836 Wed Feb 14 00:19:28 CET 2001  Jan Hubicka  <jh@suse.cz>
9837
9838         * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9839         (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9840         (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9841         (sqrtextendsfdf2): Disable for SSE2.
9842
9843 Wed Feb 14 00:11:20 CET 2001  Jan Hubicka  <jh@suse.cz>
9844
9845         * i386.md (movsfcc_1): Support integer cmove instruction.
9846         (movdfcc_1): Likewise; new splitter.
9847
9848 Tue Feb 13 23:19:27 CET 2001  Jan Hubicka  <jh@suse.cz>
9849
9850         * i386.c (output_fp_compare): Support SSE.
9851         (prepare_fp_compare_args): SSE comparisons always support memory.
9852         * i386.h (TARGET_CMOVE): SSE imply cmove.
9853         * i386.md (cmp?f2): Enable for SSE too.
9854         (cmpfp_i*): Support SSE.
9855         (cmpfp_i_sse): New.
9856         (cmpfp_i_sse_only): New.
9857         (s*, b* fp expanters): Enable for SSE too.
9858         (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
9859         New patterns.
9860
9861 Tue Feb 13 23:05:42 CET 2001  Jan Hubicka  <jh@suse.cz>
9862
9863         * regclass.c (init_reg_sets_1): Silence warning.
9864
9865 Tue Feb 13 22:03:07 CET 2001  Jan Hubicka  <jh@suse.cz>
9866
9867         * i386.md (sqrt?f2): Change to expander.
9868         (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
9869
9870 Tue Feb 13 15:42:05 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9871
9872         * rtlanal.c (find_reg_equal_equiv_note): New function.
9873         * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
9874         (simplify_gen_relational, simplify_replace_rtx): Likewise.
9875         * rtl.h: Add declarations for above functions.
9876
9877 Tue Feb 13 21:09:11 CET 2001  Jan Hubicka  <jh@suse.cz>
9878
9879         * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
9880         conditionals.
9881         * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
9882         * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
9883         * flow.c (mark_regs_live_at_end): Likewise.
9884         (calculate_global_regs_live): Likewise.
9885         * gcse.c (compute_hash_table): Likewise.
9886         (compute_kill_rd): Likewise.
9887         * resource.c (mark_target_live_regs): Likewise.
9888         * rtl.h (INVALID_REGNUM): New macro.
9889
9890 Tue Feb 13 20:59:22 CET 2001  Jan Hubicka  <jh@suse.cz>
9891
9892         * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
9893
9894 Tue Feb 13 16:32:20 CET 2001  Jan Hubicka  <jh@suse.cz>
9895
9896         * i386.md (fixsfsi2, fixdfdi2): Force operand to register
9897         for SSE.
9898
9899 Tue Feb 13 14:53:16 CET 2001  Jan Hubicka  <jh@suse.cz>
9900
9901         * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
9902         too.
9903         (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
9904         (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
9905         (fop_sf_1_sse, fop_df_1_sse): New patterns
9906         (fop_*): Disable float_extend and float patterns for SSE compilation.
9907         * i386.c (output_387_binary_op): Support SSE.
9908
9909 Tue Feb 13 14:16:34 CET 2001  Jan Hubicka  <jh@suse.cz>
9910
9911         * i386.md (dummy_extendsfdf2): Support SSE2
9912         (extendsfdf2): Enable if 80387 or SSE2.
9913         (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
9914         and no MIX_I387_SSE2
9915         (extendsfdf2_1_sse_only): New pattern.
9916         (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
9917         of SSE.
9918         (truncdfsf2_1): Support SSE.
9919         (truncdfsf2_2): Support SSE.
9920         (truncdfsf2_2_1_sse): New pattern.
9921         (fixtruncsfsi2): Always use SSE if available.
9922         (fix_truncsfsi_sse): New pattern.
9923         (fix_truncdfsi_sse): New pattern.
9924         (floatsis?f2): Support SSE.
9925         (floatsidf2_i387): New pattern.
9926         (floatsidf2_sse): Likewise.
9927
9928 Tue Feb 13 07:52:04 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9929
9930         * configure.in: Use "have_gnat" variable, not "gnat".
9931         * configure: Regenerated.
9932
9933         * config/sparc/sparc.c (function_value): Treat all non-record
9934         aggregate types like used to treat UNION_TYPE.
9935
9936 Tue Feb 13 13:31:33 CET 2001  Jan Hubicka  <jh@suse.cz>
9937
9938         * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
9939         * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
9940         (MASK_SSE2): New.
9941         (MASK_MIX_SSE_I387): New.
9942         (TARGET_SSE): SSE2 imply SSE.
9943         (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
9944         (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
9945         (enum reg_class): Add new classes.
9946         (REG_CLASS_NAMES): Likewise.
9947         (REG_CLASS_CONTENTS): Likewise.
9948         (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
9949         (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
9950         supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
9951         (CLASS_MAX_NREGS): Use new macros.
9952         (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
9953         * i386.md (pushsf, movsf): Support SSE.
9954         (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
9955         splitters to use ANY_FP_REGNO_P.
9956         (movdf_nointeger, movdf_integer): Likewise.
9957
9958 2001-02-13  Alexandre Oliva  <aoliva@redhat.com>
9959
9960         * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
9961         (try_combine): Use it.
9962
9963 Tue Feb 13 11:37:06 CET 2001  Jan Hubicka  <jh@suse.cz>
9964
9965         * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
9966         MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
9967         (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
9968         (REGISTER_MOVE_COST): Likewise.
9969         * i386-protos.h (ix86_secondary_memory_needed,
9970         ix86_preferred_reload_class, ix86_register_move_cost): Declare.
9971         * i386.c (ix86_secondary_memory_needed,
9972         ix86_preferred_reload_class, ix86_register_move_cost): New function.
9973
9974 Die Feb 13 11:04:25 CET 2001  Jan Hubicka  <jh@suse.cz>
9975
9976         * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
9977         (HARD_REGNO_MODE_OK): Move offline to ....
9978         * i386.c (ix86_hard_regno_mode_ok) ... here;
9979         refuse all incorrect modes.
9980         * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
9981
9982 2001-02-13  Richard Henderson  <rth@redhat.com>
9983
9984         * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
9985         entire operator; replicate that and match_dup the operands.
9986         (cmp_ccx_arith_op_set): Likewise.
9987         (cmp_cc_arith_op_not_set): Likewise.
9988         (cmp_ccx_arith_op_not_set): Likewise.
9989
9990 2001-02-13  Alexandre Oliva  <aoliva@redhat.com>
9991
9992         * explow.c (trunc_int_for_mode): Sign-extend value to mode.
9993
9994 2001-02-12  Geoffrey Keating  <geoffk@redhat.com>
9995
9996         * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
9997         (TARGET_NO_BITFIELD_WORD): New macro.
9998         (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
9999         (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
10000
10001 Mon Feb 12 18:13:26 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10002
10003         * cselib.c: New file, from simplify-rtx.c.
10004         * simplify-rtx.c: Remove cselib parts.
10005         * Makefile.in: Add cselib.o.
10006
10007 2001-02-12  Geoffrey Keating  <geoffk@redhat.com>
10008
10009         * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
10010         (setup_incoming_varargs): Remove warning.
10011
10012         * config/rs6000/rs6000.c (validate_condition_mode): When
10013         flag_fast_math, allow floating-point conditionals to be reversed.
10014         (rs6000_generate_compare): When flag_fast_math, don't generate
10015         cror operations for FP conditionals.
10016
10017         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
10018         -mcall-i960.
10019         (ASM_SPEC): Likewise.
10020         (CC1_ENDIAN_LITTLE_SPEC): Likewise.
10021         (CC1_SPEC): Likewise.
10022         (LINK_TARGET_SPEC): Likewise.
10023         (CPP_ENDIAN_SPEC): Likewise.
10024         * Makefile.in (check-consistency): New target.
10025
10026 2001-02-12  Joseph S. Myers  <jsm28@cam.ac.uk>
10027
10028         * c-decl.c (grokdeclarator): In C99 mode, give the more specific
10029         "return type defaults" warning for functions with return type
10030         defaulting to int.
10031         * c-lang.c (c_init): In C99 mode, enable warnings for implicit
10032         function declarations by default rather than only when pedantic.
10033
10034 Mon Feb 12 17:28:48 CET 2001  Jan Hubicka  <jh@suse.cz>
10035
10036         * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
10037         arrays.
10038
10039 2001-02-12  Nathan Sidwell  <nathan@codesourcery.com>
10040
10041         * extend.texi (Deprecated): Deprecate new initializer lists.
10042
10043 2001-02-12  Nathan Sidwell  <nathan@codesourcery.com>
10044
10045         * mkdeps.c (deps_add_default_target): Robustify. Add
10046         basename component only.
10047         * cpp.texi (-M): Describe how default target is generated.
10048         * invoke.texi (-M): Likewise.
10049
10050 2001-02-12  Kazu Hirata  <kazu@hxi.com>
10051
10052         * toplev.c (push_float_handler): Remove.
10053         (pop_float_handler): Remove.
10054         * toplev.h: Remove prototypes for the above functions.
10055
10056 2001-02-12  Jakub Jelinek  <jakub@redhat.com>
10057
10058         * c-common.c (constant_fits_type_p): New function.
10059         (convert_and_check): Use it.
10060
10061 2001-02-11  Mark Mitchell  <mark@codesourcery.com>
10062
10063         * Makefile.in (GXX_ABI_FLAG): Don't define.
10064         * configure.in (--enable-new-gxx-abi): Remove option.
10065         * config.in: Regenerated.
10066         * configure: Likewise.
10067
10068 2001-02-12  Alexandre Oliva  <aoliva@redhat.com>
10069
10070         * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
10071         basic block.
10072         (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
10073         regular basic block, and arrange for all edges into it to switch
10074         to normal mode.
10075
10076 2001-02-11  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
10077
10078         * Makefile.in (distclean): Do not remove .gdbinit.
10079
10080 2001-02-11  Mark Mitchell  <mark@codesourcery.com>
10081
10082         * Makefile.in (gcc.o): Fix typos.
10083         (protize.o): Likewise.
10084         (unprotoize.o): Likewise.
10085
10086 2001-02-11  Richard Henderson  <rth@redhat.com>
10087
10088         * tree.c (build1): Check for null operand in last change.
10089
10090 2001-02-11  Richard Henderson  <rth@redhat.com>
10091
10092         * fold-const.c (split_tree): Don't assume a constant isn't splittable.
10093         (fold): Don't assume a constant isn't foldable.
10094         * tree.c (build): Set TREE_CONSTANT for an expression with no
10095         side-effects and constant operands.
10096         (build1): Likewise.
10097
10098 2001-02-10  Richard Henderson  <rth@redhat.com>
10099
10100         * jump.c (squeeze_notes): Revert 2000-05-12 change.
10101
10102 2001-02-10  Anthony Green  <green@redhat.com>
10103
10104         * cpp.texi (Standard Predefined): Add documentation for
10105         __OPTIMIZE_SIZE__.
10106
10107         * c-common.c (combine_strings): Improve warning message.
10108
10109 2001-02-10  Geoffrey Keating  <geoffk@redhat.com>
10110
10111         * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
10112         --oformat.
10113         * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
10114
10115 Fri Feb  9 15:05:27 2001  Christopher Faylor <cgf@cygnus.com>
10116
10117         * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
10118         CYGWIN_CROSS_DIR.
10119
10120 2001-02-09  Alexandre Oliva  <aoliva@redhat.com>
10121
10122         * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
10123         fp_mode attribute.
10124
10125 2001-02-09  Nick Clifton  <nickc@redhat.com>
10126
10127         * config/arm/arm.md: Change output contraint on post inc
10128         load/store multiple patterns to be a read/write contraint.
10129
10130 2001-02-09  Neil Booth  <neil@daikokuya.demon.co.uk>
10131
10132         * gcc.c (cpp_options): Delete .d files on error.  Don't delete
10133         .o files when using the -M options.
10134
10135 2001-02-08  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
10136             David Edelsohn  <edelsohn@gnu.org>
10137
10138         * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
10139         handle DImode constants.  Use one TOC entry for SImode and smaller
10140         constants, aligned properly.
10141
10142 2001-02-08  Jason Merrill  <jason@redhat.com>
10143
10144         * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
10145         about the SP adjustment for saving the static chain pointer.
10146         * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
10147         offset when setting a temporary CFA register.
10148
10149 2001-02-08  Chandrakala Chavva  <cchavva@redhat.com>
10150
10151         * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
10152         powerpc-*-chorusos* .
10153         * config/rs6000/chorus.h : New file.
10154         * config/i386/chorus.h : New file.
10155         * config/sparc/chorus.h : New file.
10156         * config/sparc/t-chorus-elf : New file.
10157
10158 2001-02-08  David Edelsohn  <edelsohn@gnu.org>
10159
10160         * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
10161         * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
10162         * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
10163         (__WCHAR_TYPE__): Correct macro name.
10164
10165 2001-02-08  Richard Henderson  <rth@redhat.com>
10166
10167         * config/i386/i386.c (ix86_frame_pointer_required): New.
10168         (ix86_setup_frame_addresses): New.
10169         (struct machine_funciton): Add accesses_prev_frame.
10170         * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
10171         ix86_frame_pointer_required.
10172         (SUBTARGET_FRAME_POINTER_REQUIRED): New.
10173         (SETUP_FRAME_ADDRESSES): New.
10174         * config/i386/i386-protos.h: Update.
10175         * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
10176         from FRAME_POINTER_REQUIRED.
10177         * config/i386/svr3gas.h: Likewise.
10178         * config/i386/sysv3.h: Likewise.
10179         * config/i386/v3gas.h: Likewise.
10180
10181 2001-02-08  Richard Henderson  <rth@redhat.com>
10182
10183         * config/sparc/sparc.c (function_arg_record_value_3): Fix
10184         calculation of the number of integer registers required.
10185         (function_arg_record_value): Likewise.
10186
10187 2001-02-08  Jason Merrill  <jason@redhat.com>
10188
10189         * diagnostic.c (internal_error): Say "confused" after 1 error, not
10190         two.  Print file and line with "confused" message.
10191
10192         * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
10193
10194 Thu Feb  8 11:21:28 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10195
10196         * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
10197
10198 2001-02-08  Bernd Schmidt  <bernds@redhat.com>
10199
10200         * final.c (cleanup_subreg_operands): The address of a MEM can
10201         contain SUBREGs.
10202
10203         * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
10204         for asms, too.
10205
10206 2001-02-08  Joseph S. Myers  <jsm28@cam.ac.uk>
10207
10208         * gcc.texi (Incompatibilities): Update documentation of
10209         preprocessing numbers.
10210
10211 2001-02-07  Jakub Jelinek  <jakub@redhat.com>
10212
10213         * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
10214
10215 2001-02-07  Mark Mitchell  <mark@codesourcery.com>
10216
10217         * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
10218
10219         * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
10220         * gcc.c (struct compiler): Add cpp_spec field.
10221         (input_file_compiler): New variable.
10222         (do_spec_1): Allow a particular compiler to handle `%C'
10223         specially.
10224         (main): Store the current compiler in input_file_compiler.
10225         * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
10226
10227 2001-02-07  Zack Weinberg  <zack@wolery.stanford.edu>
10228
10229         * cpphash.h (struct spec_nodes): Add n_true and n_false.
10230         * cppinit.c (cpp_create_reader): Initialize them.
10231         (append_include_chain): cxx_aware arg might be unused.
10232         * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
10233         keywords and give them their phase 7 meaning.  Pedwarn about
10234         this unless '__bool_true_false_are_defined' is defined.
10235
10236 2001-02-07  Alexandre Oliva  <aoliva@redhat.com>
10237
10238         * lcm.c (optimize_mode_switching): Emit mode_set before the
10239         JUMP_INSN of an abnormal edge.
10240
10241 2001-02-07  Bernd Schmidt  <bernds@redhat.com>
10242
10243         * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
10244         a scheduling barrier at the end.
10245
10246         * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
10247
10248 2001-02-07  Alexandre Oliva  <aoliva@redhat.com>
10249
10250         * config/sh/sh.md (reload_outsf): Removed.
10251         (movsf_ie): Introduce constraints for FPUL loads and stores.
10252         (reload_insf): Broaden the output constraint.
10253
10254         * config/elfos.h (INT_ASM_OP): Don't define it if it's already
10255         defined.
10256         * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
10257         ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
10258
10259 2001-02-06  Chandrakala Chavva  <cchavva@redhat.com>
10260
10261         * final.c: Revert my previous changes.
10262         * output.h: Make profile_label_no extern.
10263         * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
10264         for generating label.
10265
10266 2001-02-06  Laurynas Biveinis  <lauras@softhome.net>
10267
10268         * config/i386/djgpp.h: Add comments about standard paths.
10269         (MD_EXEC_PREFIX): Undefine before defining.
10270         (MD_STARTFILE_PREFIX): New.
10271
10272 2001-01-30  Bruce Korb  <bkorb@gnu.org>
10273
10274         fixinc/fixincl.c(process):  Emit error message only if appropriate :)
10275         (load_file): do not rely on load_file_data() to close file pointer
10276         fixinc/fixlib.c(load_file_data): do not close passed in file pointer
10277         fixinc/inclhack.def(irix_limits_const): add test_text
10278
10279 2001-02-06  Neil Booth  <neil@daikokuya.demon.co.uk>
10280
10281         * cppexp.c (parse_defined): Improve diagnostics for invalid
10282         syntax.
10283
10284 2001-02-06  Neil Booth  <neil@daikokuya.demon.co.uk>
10285
10286         * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
10287
10288 2001-02-06  Mark Mitchell  <mark@codesourcery.com>
10289
10290         * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
10291         * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
10292         * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
10293         (rs6000_output_symbol_ref): New function.
10294         (output_toc): Use VTABLE_NAME_P.
10295
10296 Tue Feb  6 07:54:51 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10297
10298         * print-tree.c (print_node, case PARM_DECL):
10299         Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
10300
10301         * stor-layout.c (reference_types_internal): New variable.
10302         (internal_reference_types): New function.
10303         (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
10304         * tree.h (internal_reference_types): New declaration.
10305
10306         * cse.c (find_best_addr): Fix typo in computing cost.
10307
10308 Mon Feb  5 21:56:16 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10309
10310         * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
10311         and this is the sum of a pointer and a constant, we know the result
10312         did not overflow.
10313         (num_sign_bit_copies, case PLUS): Likewise.
10314         * explow.c (convert_memory_address): Remove opposite SUBREG.
10315         * function.c (instantiate_new_reg): New function (from common code).
10316         (instantiate_virtual_regs_1): Call it.
10317         For PLUS, handle if (plus (subreg (virt-reg) (const_int))
10318         if pointers sign- or zero-extend.
10319         * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
10320         If pointers extend unsigned, use inside of SUBREG.
10321         (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
10322
10323 2001-02-05  Benjamin Kosnik  <bkoz@redhat.com>
10324
10325         * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
10326         subdir of gcc_gxx_include_dir.
10327         (gcc_gxx_target_include_dir): Remove.
10328
10329 2001-02-05  Jeffrey Oldham  <oldham@codesourcery.com>
10330
10331         * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
10332         (dwarf2out_frame_debug_expr): Revise introductory comments to add
10333         a high-level description.
10334
10335 2001-02-05  Chandrakala Chavva  <cchavva@redhat.com>
10336
10337         * final.c: Move the declaration of profile_label_no to ...
10338         * output.h: ... here.
10339         * function.c (expand_function_start): Call PROFILE_HOOK.
10340         * config/rs6000/aix.h: Define PROFILE_HOOK.
10341         * config/rs6000/rs6000-protos.h: output_profile_hook new.
10342         * config/rs6000/rs6000.c (output_profile_hook): Define.
10343         (output_prolog): Do nothing for ABI_AIX as it is taken care by
10344         output_profile_hook.
10345         tm.texi : Explain new macro PROFILE_HOOK.
10346
10347 2001-02-06  Hans-Peter Nilsson  <hp@axis.com>
10348
10349         * extend.texi (Extended Asm): Do not say that semicolon is always
10350         a valid line-breaking character for GNU assemblers.  Use
10351         newline-tab as the most commonly supported syntax.  Use
10352         newline-tab rather than semicolon in multi-insn examples.
10353
10354 2001-02-05  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
10355
10356         * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
10357
10358 2001-02-05  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
10359             David Edelsohn  <edelsohn@gnu.org>
10360
10361         * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
10362         code for AIX, even without flag_pic.
10363
10364 2001-02-05  Jakub Jelinek  <jakub@redhat.com>
10365
10366         * c-typeck.c (common_type): push and pop binding level around
10367         calling common_type on function parameters.
10368
10369 Mon Feb  5 14:30:37 2001  Christopher Faylor <cgf@cygnus.com>
10370
10371         * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
10372
10373 Mon Feb  5 11:23:16 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10374
10375         * config/mips/mips.c (override_options): Fix typo in last change.
10376         (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
10377         (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
10378
10379 2001-02-05  Nathan Sidwell  <nathan@codesourcery.com>
10380
10381         * invoke.texi (-fdump-class-layout): Document.
10382         (-fdump-translation-unit): Use `=' as filename separator.
10383
10384 2001-02-05  Mark Mitchell  <mark@codesourcery.com>
10385
10386         * Makefile.in (s-mlib): Don't build multilibs if
10387         --disable-multilib.
10388         (DRIVER_DEFINES): Adjust accordingly.
10389         (gcc.o): Likewise.
10390         (protoize.o): Likewise.
10391         (unprotoize.o): Likewise.
10392         * configure.in: Recognize --enable-multilib.
10393
10394 2001-02-04  Mark Mitchell  <mark@codesourcery.com>
10395
10396         * Makefile.in (DRIVER_DEFINES): Fix quoting.
10397
10398         * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
10399         * configure.in: Remove --enable-libstdcxx_v3 support.
10400         * configure: Regenerated.
10401
10402 Sun Feb  4 15:52:44 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10403
10404         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
10405         Call abort instead of fatal.
10406         (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
10407         * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
10408         (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
10409         (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
10410         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
10411         * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
10412
10413         * diagnostic.h (set_internal_error_function): Renamed.
10414         * toplev.h (internal_error): Renamed from fatal.
10415         (pfatal_with_name): Deleted.
10416         (fatal_io_error): Now has printf-style arguments.
10417         * diagnostic.c (pfatal_with_name): Deleted.
10418         (fatal_io_error): Rework to have args in printf-style.
10419         (set_internal_error_function): Renamed from set_fatal_function.
10420         (internal_error): Renamed from fatal.
10421         (error_recursion, fancy_abort): Call internal_error instead of fatal.
10422         * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
10423         * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
10424         * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
10425         * flow.c (verify_flow_info): Likewise.
10426         * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
10427         * config/mips/mips.c (save_restore_insns): Likewise.
10428
10429         * except.c (duplicate_eh_handlers): Call abort instead of fatal.
10430         * flow.c (verify_flow_info): Likewise.
10431         * config/arm/arm.c (thumb_load_double_from_address): Likewise.
10432         * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
10433         (avr_normalize_condition): Likewise.
10434         * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
10435         * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
10436         (limit_reload_class, double_reg_to_memory): Likewise.
10437         (print_operand_address, emit_1600_code_shift): Likewise.
10438         (gen_tst_reg, gen_compare_reg): Likewise.
10439         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
10440         * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
10441         Deleted.
10442         * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
10443
10444         * c-parse.in (methoddef): Call fatal_error instead of fatal.
10445         * objc/objc-act.c (build_ivar_chain): Likewise.
10446         * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
10447         pfatal_with_name.
10448         * graph.c (clean_graph_dump_file): Likewise.
10449         * profile.c (init_branch_prob): Likewise.
10450         * objc/objc-act.c (objc_init): Likewise.
10451
10452         * config/arm/arm.c (arm_override_options): Make errors non-fatal.
10453         * config/avr/avr.c (avr_override_options): Likewise.
10454         * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
10455         * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
10456         * config/h8300/h8300.c (h8300_init_once): Likewise.
10457         * config/mips/mips.c (override_options): Likewise.
10458         * config/i386/i386.c (override_options): Likewise, rework.
10459         * config/m68k/m68k.c (override_options): Likewise.
10460
10461         * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
10462         instead of fatal.
10463         * config/mips/mips.c (print_operand): Likewise.
10464         * hash.c (hash_allocate): Don't check for failure returns from
10465         obstack functions that can't fail.
10466         (hash_table_init_n, hash_table_init): Likewise; also now return void.
10467         * hash.h (hash_table_init_n, hash_table_init): Now return void.
10468         * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
10469         (get_object_reference): Likewise.
10470
10471 2001-02-04  Nick Clifton  <nickc@redhat.com>
10472
10473         * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
10474         StrongARM1110, 10TDMI, and 1020T.
10475
10476 2001-02-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10477
10478         * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
10479
10480 2001-02-04  Alexandre Oliva  <aoliva@redhat.com>
10481
10482         * config/sh/sh.md (movdf load split): Pass register number to
10483         FP_OR_XD_REGISTER_P.
10484
10485 2001-02-04  Mark Mitchell  <mark@codesourcery.com>
10486
10487         * cppinit.c (BC): New macro.
10488         (builtin_array): Add __GXX_WEAK__.
10489         * cpplib.h (builtin_type): Add BT_WEAK.
10490         * cppmacro.c (builtin_macro): Handle BT_WEAK.
10491         * defaults.h (SUPPORTS_ONE_ONLY): Define.
10492         * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
10493
10494 2001-02-03  Jakub Jelinek  <jakub@redhat.com>
10495
10496         * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
10497
10498 2001-02-03  Neil Booth  <neil@daikokuya.demon.co.uk>
10499
10500         * cpphash.h: Rename _ALIGN POOL_ALIGN.
10501         * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10502
10503 2001-02-03  Neil Booth  <neil@daikokuya.demon.co.uk>
10504
10505         * cpphash.h: Rename ALIGN _ALIGN.
10506         * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10507
10508 Fri Feb  2 23:15:29 2001  Christopher Faylor <cgf@cygnus.com>
10509
10510         * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
10511         compilation environment.
10512         * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
10513         control over location of cygwin includes and libs.
10514
10515 2001-02-03  Michael Hayes  <m.hayes@elec.canterbury.ac.nz)
10516
10517         * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
10518
10519 2001-02-02  lars brinkhoff  <lars@nocrew.org>
10520
10521         * md.texi (Standard Names): remove reference to spur.md.
10522
10523 2001-02-03  Michael Hayes  <m.hayes@elec.canterbury.ac.nz)
10524
10525         * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
10526         (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
10527         (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
10528         * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
10529         (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
10530
10531 2001-02-03  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10532
10533         * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
10534         c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
10535         number before reload.
10536         (c4x_adjust_cost): Return zero before reload.
10537         * c4x.md (load_immed_address+1, load_immed_address+2): Do not
10538         split before reload.
10539
10540 2001-02-03  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10541
10542         * c4x.c (c4x_hard_regno_rename_ok): New.
10543         * c4x-protos.h (c4x_hard_regno_rename_ok): New.
10544         * c4x.h (HARD_REGNO_RENAME_OK): Define.
10545
10546 Fri Feb  2 20:03:50 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10547
10548         * diagnostic.h: Add missing "extern" in all declarations.
10549
10550 2001-02-02  Alex Samuel  <samuel@codesourcery.com>
10551
10552         * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
10553         as for gcc_gxx_include_dir.
10554
10555 2001-02-02  Neil Booth  <neil@daikokuya.demon.co.uk>
10556
10557         * cpp.texi, invoke.texi: Update -Wtraditional documentation.
10558
10559 2001-02-02  Alexandre Oliva  <aoliva@redhat.com>
10560
10561         * config/sh/sh.c (output_far_jump): Don't use braf on SH1.  Emit
10562         label before alignment to be used as the braf base address.
10563         * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
10564         branches.
10565         (casesi_jump_2): Require at least TARGET_SH2.
10566
10567         * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
10568         truncation to 32-bit doubles on -m3e and -m4-single-only.
10569
10570 2001-02-02  Mark Mitchell  <mark@codesourcery.com>
10571
10572         * gcc.c (init_gcc_specs): New function.  Make -shared-libgcc
10573         the default when building a shared object.
10574         (init_spec): Use it.
10575         * testsuite/lib/g++.exp: Include the directory where libgcc
10576         is located to the LD_LIBRARY_PATH list.
10577         * invoke.texi (-shared-libgcc): Document the cases in which
10578         GCC defaults to using the shared libgcc.
10579
10580 2001-02-02  Alexandre Oliva  <aoliva@redhat.com>
10581
10582         * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
10583         unsigned is wide enough.
10584         (BITS_PER_SI): New.
10585         * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
10586         (si_to_float): Likewise.
10587         (float_to_si, float_to_usi): Use BITS_PER_SI.
10588
10589 2001-02-01  Jeffrey Oldham  <oldham@codesourcery.com>
10590
10591         * dwarf2out.c: Added explanation of abbreviations.
10592         (def_cfa_1): Added comments listing DWARF2 instructions.
10593         (cfa_temp_reg): Removed in favor of cfa_temp.
10594         (cfa_temp_value): Removed in favor of cfa_temp.
10595         (cfa_temp): New global variable.
10596         (dwarf2out_frame_debug_expr): Added extensive introductory
10597         comments explaining the function's transformations.  Revised to
10598         use cfa_temp.  Added some rtx checking.  Generalize IOR case.
10599         (dwarf2out_frame_debug): Revised to use cfa_temp.
10600         (output_aranges): Cast as "unsigned" to avoid warning.
10601         * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
10602         explain which instructions must be marked.
10603
10604 2001-02-01  Richard Henderson  <rth@redhat.com>
10605
10606         * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
10607         new instruction.
10608
10609 2001-02-01  Alexandre Oliva  <aoliva@redhat.com>
10610
10611         * config/sh/crt1.asm (main_k): Modified so that start calls
10612         ___setup_argv_and_call_main.
10613
10614 2001-02-01  Neil Booth  <neil@daikokuya.demon.co.uk>
10615
10616         * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
10617         * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
10618         and AVOID_LPASTE is cleared on meeting an unescaped newline.
10619         * cppmacro.c (builtin_macro): Set builtin flags here.
10620         (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
10621         (replace_args): Clarify intent.
10622         (cpp_get_token): Macro expansion tokens get the saved flags.
10623         Update.
10624         * cppmain.c (scan_buffer): Remove now-redundant print.printed
10625         check.
10626
10627 2001-02-01  Jeffrey Oldham  <oldham@codesourcery.com>
10628
10629         * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
10630         2001-Jan-29.
10631
10632 Thu Feb  1 07:22:41 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10633
10634         * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
10635         returns Pmode pseudo, but we need ptr_mode.
10636         * explow.c (allocate_dynamic_stack_space): Use plus_constant.
10637         Remove bogus conversions; use HOST_WIDE_INT for size.
10638         Don't use TARGET if wrong mode.
10639
10640         * config/i386/i386.c (ix86_compute_frame_size): Allow
10641         stack_alignment_needed to be non-default even if size is zero.
10642
10643 2001-01-31  Alan Modra <alan@linuxcare.com.au>
10644
10645         * pa.c (hppa_init_pic_save): New function.
10646         * pa.h (hppa_init_pic_save): Declare.
10647         * pa.md (call, call_value, sibcall, sibcall_value): Use
10648         the above instead of duplicated code.
10649
10650         * pa.c (hppa_encode_label): Correct size of alloca buffer
10651         so we don't overrun it.  Correct leading `*' case.
10652         * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
10653         need to handle `*@'.
10654         (FUNCTION_NAME_P): Likewise.
10655
10656 2001-01-31  Richard Henderson  <rth@redhat.com>
10657
10658         * config.gcc (alpha-osf5): Use float-i128.h.
10659
10660         * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
10661         * config/float-i32.h: Likewise.
10662         * config/float-i64.h: Likewise.
10663         * config/float-sh.h: Likewise.
10664         * config/float-sparc.h: Likewise.
10665
10666 2001-01-31  DJ Delorie  <dj@redhat.com>
10667
10668         * expmed.c (extract_bit_field): allow non-integral modes if we
10669         want to extract a whole register from itself.
10670
10671 2001-01-31  Jakub Jelinek  <jakub@redhat.com>
10672
10673         * c-typeck.c (set_init_index): If first is equal to last, assume as
10674         if it was not a range at all.
10675
10676 2001-01-31  Alexandre Oliva  <aoliva@redhat.com>
10677
10678         * config/fp-bit.c: Include tm.h.
10679         (float_to_si): Don't assume SImode is 32-bits wide.
10680         (float_to_usi): Likewise.
10681
10682 2001-01-31  Joseph S. Myers  <jsm28@cam.ac.uk>
10683
10684         * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
10685         incomplete type.
10686         (typename): Call pending_xref_error after parsing typed_typespecs.
10687         * c-decl.c (lookup_tag): Give error immediately rather than
10688         leaving it pending if the tag of the wrong type is in the same
10689         binding level.
10690         (xref_tag): Don't pedwarn for forward declarations of enum types
10691         here.
10692         * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
10693         and enum tags.
10694
10695 2001-01-31  Alexandre Oliva  <aoliva@redhat.com>
10696
10697         * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
10698
10699 2001-01-31  Neil Booth  <neil@daikokuya.demon.co.uk>
10700
10701         * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
10702         (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
10703
10704 2001-01-31  Neil Booth  <neil@daikokuya.demon.co.uk>
10705
10706         * cpphash.h (struct cpp_reader): New saved_flags.
10707         * cppmacro.c (cpp_get_token): Use saved_flags to remember
10708         to avoid a paste after a pasted token.
10709
10710 2001-01-31  Alexandre Oliva  <aoliva@redhat.com>
10711
10712         * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
10713         * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
10714         Wtype_MIN instead of LONG_MIN.
10715
10716 2001-01-30  Jeffrey Oldham  <oldham@codesourcery.com>
10717
10718         * fixinc/fixincl.tpl: Add 2001 to copyright.  Change name of
10719         README file.
10720         * fixinc/fixincl.x: Regenerated.
10721         * fixinc/inclhack.def (irix_limits_const): New definition to
10722         convert "const" to "__const" in limits.h.
10723
10724 2001-01-30  Jeffrey Oldham  <oldham@codesourcery.com>
10725
10726         * fixinc/genfixes (AG): Fix "autogen4" thinko.
10727
10728 2001-01-30  Herman A.J. ten Brugge  <Haj.Ten.Brugge@net.HCC.nl>
10729
10730         * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
10731         when register dies in the insn.
10732
10733 2001-01-30  Neil Booth  <neil@daikokuya.demon.co.uk>
10734
10735         * diagnostic.c (fatal): Fix word wrap.
10736
10737 2001-01-30  Alexandre Oliva  <aoliva@redhat.com>
10738
10739         * combine.c (try_combine): Fix SUBREG setting for
10740         HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
10741
10742 2001-01-30  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
10743
10744         * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
10745         comparison codes.
10746
10747 2001-01-30  Neil Booth  <neil@daikokuya.demon.co.uk>
10748
10749         * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
10750         is not NULL.
10751         * toplev.c (decode_W_option): Update warn_larger_than
10752         unconditionally for each processed switch.
10753
10754 2001-01-30  John David Anglin  <dave@hiauly1.hia.nrc.ca>
10755
10756         * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
10757         to NULL_RTX.
10758         (hppa_expand_prologue): Delete code to save pic offset table register
10759         in the function prologue.
10760         * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
10761         * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
10762         table register at the beginning of the function after the prologue.
10763
10764 2001-01-29  lars brinkhoff  <lars@nocrew.org>
10765
10766         * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
10767
10768 2001-01-29  John David Anglin  <dave@hiauly1.hia.nrc.ca>
10769             Jeff Law <law@redhat.com>
10770
10771         * pa.md (return): Revise comment for trivial return.
10772         (return_internal): Non-trivial return pattern for non-PIC code.
10773         (return_internal_pic): Non-trivial return pattern for PIC code.
10774         It uses the PIC register to ensure it is restored after
10775         function calls.
10776         (epilogue): Generate appropriate return for PIC and non-PIC code.
10777
10778 Mon Jan 29 23:53:14 2001  Christopher Faylor <cgf@cygnus.com>
10779
10780         * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
10781
10782 2001-01-29  DJ Delorie  <dj@redhat.com>
10783
10784         * combine.c (if_then_else_cond): Pass the correct mode to
10785         operand_subword() for constants.
10786
10787 Mon Jan 29 20:38:19 2001  Christopher Faylor <cgf@cygnus.com>
10788
10789         * config/i386/cygwin.h: Add w32api to include search.  Search different
10790         directories in a cross-build environment.
10791
10792 2001-11-29  Tim Josling  <tej@melbpc.org.au>
10793
10794         * tree.h (TYPE_STUB_DECL): Add documentation.
10795
10796 2001-11-29  Laurynas Biveinis  <lauras@softhome.net>
10797
10798         * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
10799         (sdbout_field_types): Likwise.  Fix use of host_integerp.
10800
10801 2001-01-29  Thomas Pfaff  <tpfaff@gmx.net>
10802
10803         * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
10804         cygwin.h.
10805
10806 2001-01-29  Jeffrey Oldham  <oldham@codesourcery.com>
10807
10808         * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
10809         to use flag_gnu_linker.
10810
10811 2001-01-29  Neil Booth  <neil@daikokuya.demon.co.uk>
10812
10813         * cpplib.c (T_BAD_DIRECTIVE): Remove.
10814         (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
10815
10816 2001-01-29  Joseph S. Myers  <jsm28@cam.ac.uk>
10817
10818         * tree.c, tree.h (build_parse_node): Remove; was identical to
10819         build_nt.
10820         * c-lang.c (start_cdtor), objc/objc-act.c
10821         (build_module_descriptor): Use build_nt instead of
10822         build_parse_node.
10823
10824 2001-01-29  Jakub Jelinek  <jakub@redhat.com>
10825
10826         * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
10827         (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
10828         not have any upper bits set.
10829
10830 2001-01-29  Phil Edwards  <pme@sources.redhat.com>
10831
10832         * COPYING.LIB:  Update to LGPL 2.1 from the FSF.
10833
10834 2001-01-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10835
10836         * stmt.c (estimate_case_costs): Use integer_minus_one_node.
10837
10838         * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
10839
10840         * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
10841         (integer_minus_one_node): Define.
10842
10843 2001-01-28  Alexandre Oliva  <aoliva@redhat.com>
10844
10845         * Makefile.in (bootstrap2-lean): Fix typo.
10846
10847 2001-01-28  Neil Booth  <neil@daikokuya.demon.co.uk>
10848
10849         * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
10850         : Don't set fe_value.
10851         * cpplib.h (AVOID_LPASTE): New flag.
10852         (struct cpp_hashnode): Remove fe_value.
10853         * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
10854         * cppmacro.c (builtin_macro): Don't set flags here.
10855         (replace_args): Set AVOID_LPASTE flag on first token of an
10856         argument, and the token following it.
10857         (cpp_get_token): Set AVOID_LPASTE flag on first token of a
10858         macro expansion, and on the token following it.  Do it for
10859         builtins too.
10860         * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
10861
10862 2001-01-27  Richard Henderson  <rth@redhat.com>
10863
10864         * config/alpha/t-ieee: Remove multilibbing.
10865         (TARGET_LIBGCC2_CFLAGS): Add -mieee.
10866
10867 2001-01-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10868
10869         * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
10870
10871         * Makefile.in: Remove all dependencies on defaults.h.
10872         * builtins.c: Don't include defaults.h.
10873         * c-common.c: Likewise.
10874         * c-decl.c: Likewise.
10875         * c-pragma.c: Likewise.
10876         * c-typeck.c: Likewise.
10877         * combine.c: Likewise.
10878         * i386.c: Likewise.
10879         * frame-ia64.c: Likewise.
10880         * cppexp.c: Likewise.
10881         * crtstuff.c: Likewise.
10882         * dbxout.c: Likewise.
10883         * dwarf2out.c: Likewise.
10884         * dwarfout.c: Likewise.
10885         * emit-rtl.c: Likewise.
10886         * except.c: Likewise.
10887         * expr.c: Likewise.
10888         * final.c: Likewise.
10889         * frame-dwarf2.c: Likewise.
10890         * libgcc2.c: Likewise.
10891         * optabs.c: Likewise.
10892         * profile.c: Likewise.
10893         * sdbout.c: Likewise.
10894         * toplev.c: Likewise.
10895         * tradcif.y: Likewise.
10896         * tree.c: Likewise.
10897         * varasm.c: Likewise.
10898
10899 2001-01-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10900
10901         * builtins.c (expand_builtin_fputs): Use size_one_node when
10902         transforming into fwrite.
10903
10904 2001-01-27  Joseph S. Myers  <jsm28@cam.ac.uk>
10905
10906         * extend.texi (Attribute Syntax): New section.
10907
10908 2001-01-27  Michael Sokolov  <msokolov@ivan.Harhan.ORG>
10909
10910         * fixproto: Correctly install synthesised unistd.h and stdlib.h when
10911         they didn't need fixing.
10912
10913 2001-01-27  Janis Johnson <janis@us.ibm.com>
10914
10915         * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
10916         if appropriate.
10917         * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
10918         to remove macro definitions that are duplicated from elfos.h.
10919
10920 2001-01-27  Richard Henderson  <rth@redhat.com>
10921
10922         * config/i386/sco5gas.h: Move ...
10923         * config/usegas.h: ... here.
10924         * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
10925
10926 2001-01-27  Jakub Jelinek  <jakub@redhat.com>
10927
10928         * c-typeck.c (struct constructor_stack): Add range_stack member.
10929         (really_start_incremental_init): Clear it.
10930         (push_init_level): Save constructor_range_stack and clear it if
10931         pushing explicit braces.
10932         (pop_init_level): abort if constructor_range_stack is non-zero at
10933         explicit closing brace.  Restore saved constructor_range_stack if
10934         not implicit.
10935
10936 2001-01-27  Alexandre Oliva  <aoliva@redhat.com>
10937
10938         * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
10939         into register was forced into memory.
10940
10941 2001-01-27  Alexandre Oliva  <aoliva@redhat.com>
10942
10943         * Makefile.in: Remove uses of + before $(MAKE).
10944
10945 2001-01-26  Richard Henderson  <rth@redhat.com>
10946
10947         * stmt.c (cost_table): Remove.
10948         (COST_TABLE, cost_table_initialized): New.
10949         (estimate_case_costs): Use the later instead of the former.
10950         (balance_case_nodes): Likewise.
10951
10952 2001-01-26  Richard Henderson  <rth@redhat.com>
10953
10954         * alias.c (objects_must_conflict_p): Read-only slots may not
10955         conflict despite having the same type.
10956
10957 2001-01-27  Michael Hayes  <mhayes@redhat.com>
10958
10959         * loop.c (loop_giv_reduce_benefit): Copy mode size into
10960         int variable.
10961         (check_ext_dependant_givs): Initialise u_start_val and
10962         u_end_val.
10963         (load_mems): Make last_max_reg unsigned.
10964         (try_swap_copy_prop): Use INSN_P and initialise set.
10965
10966 Fri Jan 26 23:22:58 2001  Denis Chertykov  <denisc@overta.ru>
10967
10968         * README.AVR : Removed.
10969
10970 Fri Jan 26 11:37:26 2001  Jeffrey A Law  (law@cygnus.com)
10971
10972         * pa-64.h (text_section): Remove declaration.
10973
10974         * pa.md (return_internal): Remove mode on PIC register use.
10975
10976 2001-01-25  lars brinkhoff  <lars@nocrew.org>
10977
10978         * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
10979         ASM_CLOSE_PAREN): fix typos.
10980
10981 2001-01-25  Mark Mitchell  <mark@codesourcery.com>
10982
10983         * acconfig.h: Define `const' to the empty string if neither
10984         __STDC__ nor __cplusplus is defined.
10985         * config.in: Regenerated.
10986
10987 2001-01-25  David Edelsohn  <edelsohn@gnu.org>
10988
10989         * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
10990         * collect2.c (main): Delete importf.  Add ".obj" file extension.
10991         (GCC_CHECK_HDR): Handle AIX V5 new magic number.
10992         (aix_std_libs): Add additional AIX libraries to skip.
10993         * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
10994         * config/rs6000/aix51.h: New file.
10995
10996 2001-01-25  Michael Hayes  <mhayes@redhat.com>
10997
10998         * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
10999         (loop_insn_emit_before): No longer static.
11000         (move_movables): Replace emit_insn_after with loop_insn_emit_after.
11001         (loop_givs_rescan, load_mems): Likewise.
11002         (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
11003         (maybe_eliminate_biv_1):
11004         (move_movables): Replace emit_call_insn_before with
11005         loop_call_insn_hoist.
11006         * loop.h (loop_insn_emit_before): Add.
11007         * unroll.c (copy_loop_body): Replace emit_insn_before with
11008         loop_insn_emit_before.
11009
11010 2001-01-25  Neil Booth  <neil@daikokuya.demon.co.uk>
11011
11012         * diagnostic.c (fatal): Request preprocessed source.
11013
11014 Thu Jan 25 02:01:16 2001  J"orn Rennecke <amylaar@redhat.com>
11015
11016         * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
11017         olddecl has argument types and newdecl has none, use the argument
11018         types from olddecl.
11019
11020 2001-01-24  Ulrich Drepper  <drepper@redhat.com>
11021
11022         * dwarf2out.c (prefix_of): New function.  Determine longest common
11023         prefix of the two arguments.  The units are whole path components.
11024         (output_file_names): When adding a new directory find the one entry
11025         with the longest common prefix already in the list.  Artificially
11026         generate entry if there is none for this prefix.
11027         Fix test to check whether the zeroth directory entry is used.
11028
11029 Wed Jan 24 23:51:55 2001  J"orn Rennecke <amylaar@redhat.com>
11030
11031         * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
11032         Changed all callers.  Take it into account when deciding if a
11033         previously loaded value matches.
11034
11035 2001-01-24  Richard Henderson  <rth@redhat.com>
11036
11037         * reload.c (find_reloads_subreg_address): Fail the substitution
11038         if the resulting address is insufficiently aligned.
11039
11040 2001-01-24  DJ Delorie  <dj@redhat.com>
11041
11042         * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
11043         check the original operand's mode also.
11044         * simplify-rtx.c (simplify_ternary_operation): Ditto.
11045
11046 2001-01-24  Joseph S. Myers  <jsm28@cam.ac.uk>
11047
11048         * c-parse.in (cast_expr): Move compound literals from here ...
11049         (primary): ... to here.  Use standard terminology "compound
11050         literal" instead of "constructor expression".
11051
11052 2001-01-24  Joseph S. Myers  <jsm28@cam.ac.uk>
11053
11054         * gcc.1, cpp.1: Regenerate.
11055
11056 2001-01-24  Alexandre Oliva  <aoliva@redhat.com>
11057
11058         * calls.c (emit_library_call_value_1): Memory slot for
11059         pass-by-reference argument should have the mode of the argument,
11060         not of the pointer to it.
11061
11062 2001-01-24  Tom Tromey  <tromey@redhat.com>
11063
11064         * gcc.texi (G++ and GCC): Mention gcj manual.
11065         (Standards): Link to section of manual mentioning gcj/Java
11066         compatibility.
11067
11068 2001-01-24  Jakub Jelinek  <jakub@redhat.com>
11069
11070         * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
11071         * cppinit.c (cpp_start_read): Remove deps_add_dep call.
11072         * tradcpp.c (main): Add -imacros or -include'd dependencies
11073         for -M*.
11074         * cpp.texi (-M, -MM): Document -M -include behaviour.
11075
11076 2001-01-24  Roger Collins <roger@ProProject.com>
11077
11078         * config/i386/xm-i386.h: Make __i386__ a boolean macro.
11079
11080 2001-01-24  Will Cohen  <wcohen@redhat.com>
11081
11082         * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
11083         whether registers are 32 bits or 64 bits in size.
11084
11085 2001-01-24  Ben Elliston  <bje@redhat.com>
11086
11087         * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
11088
11089 2001-01-24  Richard Henderson  <rth@redhat.com>
11090
11091         * config/alpha/alpha.md (builtin_longjmp_internal): New.
11092         (builtin_longjmp): Use it instead of emit_indirect_jump.
11093
11094 2001-01-23  John David Anglin  <dave@hiauly1.hia.nrc.ca>
11095
11096         * bb-reorder.c (make_reorder_chain_1): Handle case where
11097         jump edge goes to the same block as the fallthru edge.
11098
11099 2001-01-23  Jim Wilson  <wilson@redhat.com>
11100
11101         * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
11102         * frame.h (__ia64_personality_v1): Add prototype.
11103         * libgcc2.c (ia64_throw_helper): Change personality declaration to
11104         prototype form.  Add void * cast to first argument to personality
11105         call.
11106         * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
11107         (asctoe113): Likewise.
11108         * config/ia64/frame-ia64.c: Include eh-common.h.
11109         * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
11110         prototypes.
11111         * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
11112         to dump parameter.
11113         (itanium_split_issue): Add prototype.
11114         (gen_nop_type): Ifdef out.
11115         (find_best_packet): Initialize best_packet.
11116         (ia64_encode_section_info): New local string.  Use for ggc_alloc_string
11117         result.
11118         * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
11119         * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
11120         (flushrs): Add explicit stop bit at end.
11121         * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
11122         trailing \ to >.
11123
11124 2001-01-23  Chris Demetriou  <cgd@broadcom.com>
11125
11126         * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
11127         of EH symbols.
11128         * libgcc2.c (__terminate_func): Make variable static.
11129         (__terminate_set_func): New function to set __terminate_func.
11130         * libgcc2.h (__terminate_func_ptr): New typedef.
11131         (__terminate_set_func): New function.
11132
11133 2001-01-23  Richard Henderson  <rth@redhat.com>
11134
11135         * flow.c (init_propagate_block_info): Don't consider unchanging
11136         memories for dead frame store elimination.
11137
11138 2001-01-23  Richard Henderson  <rth@redhat.com>
11139
11140         * varasm.c (UNIQUE_SECTION): Move default implementation ...
11141         * defaults.h: ... here.
11142
11143 2001-01-24  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
11144
11145         * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
11146
11147 2001-01-23  Neil Booth  <neil@daikokuya.demon.co.uk>
11148
11149         * c-lex.c (lex_charconst): Fix typo: s/p/str.
11150
11151 2001-01-23  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
11152
11153         * rs6000.h (rs6000_return_addr): Move prototype from here...
11154         * rs6000-protos.h (rs6000_return_addr): ...to here.
11155         (rs6000_init_expanders): Delete prototype.
11156
11157 2001-01-23  Nick Clifton  <nickc@redhat.com>
11158
11159         * invoke.texi: Replace , with \, inside @gccoptlist macros.
11160         (Spec Files): Document %B and %j and %. and %v3 and %M and
11161         %{S*&T} spec switches.
11162
11163 2001-01-24  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11164
11165         * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
11166
11167 2001-01-23  Chris Demetriou  <cgd@sibyte.com>
11168             Neil Booth  <neil@daikokuya.demon.co.uk>
11169
11170         * cpperror.c: Merge handlers of PEDWARN and WARNING.
11171         Have -Werror make pedantic warnings errors, like the
11172         rest of GCC.
11173
11174 2001-01-23  Phil Edwards  <pme@sources.redhat.com>
11175
11176         * c-tree.texi (IDENTIFIER_LENGTH):  Fix typo.
11177
11178 2001-01-23  Jakub Jelinek  <jakub@redhat.com>
11179
11180         * integrate.h (struct inline_remap): Add compare_src, compare_mode.
11181         * integrate.c (expand_inline_function): Initialize them.
11182         (subst_constants): If changing COMPARE so that both its arguments
11183         will be VOIDmode and the comparison mode will be lost, note
11184         compare_mode.  Use the recorded compare_mode to optimize
11185         IF_THEN_ELSE.
11186
11187 2001-01-23  Jason Merrill  <jason@redhat.com>
11188
11189         * dwarf2out.c (new_die): Use xcalloc.
11190         (output_die): Abort rather than emit a local reference to offset 0.
11191
11192 2001-01-17  Andrew Haley  <aph@redhat.com>
11193
11194         * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
11195         of a saved register; return NULL instead.
11196         (copy_reg): Take a pointer to a source register rather than a
11197         frame_state.
11198         (next_stack_level): Remember the address in the stack frame of all
11199         saved registers.
11200         Use the saved register pointer array as the source of the CFA.
11201         (throw_helper): Rewrite.  Unwind once rather than twice and keep
11202         track of saved registers as we go.
11203
11204 2001-01-23  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11205
11206         * c4x-protos.h (c4x_legitimize_reload_address): Remove.
11207         * c4x.c (c4x_legitimize_reload_address): Remove.
11208         * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
11209         reload address for ldp(k) insn.
11210
11211 Mon Jan 22 20:53:47 2001  Jeffrey A Law  (law@cygnus.com)
11212
11213         * pa.md (return_internal): Add a USE of the PIC register to ensure
11214         it is restored after each call.
11215         (return expander): Corresponding changes.
11216
11217 2001-01-22  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
11218
11219         * rs6000.h (INIT_EXPANDERS): Delete.
11220         (RETURN_ADDR_RTX): Call rs6000_return_addr().
11221         * rs6000.c (rs6000_override_options): Call *_machine_status from
11222         here...
11223         (rs6000_init_expanders): ...instead of here. Delete.
11224         (rs6000_mark_machine_status): New function.
11225         (rs6000_init_machine_status): Use xcalloc.
11226         (rs6000_return_addr): Generate RTX for the return address.
11227         (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
11228         (rs6000_stack_info): Use it.
11229
11230 2001-01-22  Thomas Pfaff  <tpfaff@gmx.net>
11231
11232         * gthr-win32.h: Include errno.h to get a declaration for
11233         EINVAL and _mingw.h if the target is mingw32.
11234
11235 2001-01-22  Andres Felipe Vargas <avargas@teletulua.com.co>
11236
11237         * cpp.texi: Correct typos.
11238
11239 Mon Jan 22 13:59:09 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11240
11241         * explow.c (probe_stack_range): Ensure value passed to
11242         stack_check_libfunc is ptr_mode, not Pmode.
11243
11244 Mon Jan 22 16:53:06 2001  J"orn Rennecke <amylaar@redhat.com>
11245
11246         * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
11247         case, don't use operand_subword to calculate a SUBREG that is
11248         wider than a word.
11249
11250         * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
11251
11252 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11253
11254         * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
11255         (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
11256         valid.  If not replace it by equivalent insns.
11257
11258 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11259
11260         * c4x.c (c4x_check_legit_addr): Only check CONST.  Not if CONST
11261         contains SYMBOL_REF, LABEL_REF and CONST_INT.
11262         (c4x_U_constraint, symbolic_address_operand): Likewise.
11263         (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
11264         memory.
11265         (c4x_r11_set_p, c4x_check_laj_p): New functions.
11266         * c4x-protos.h (c4x_check_laj_p): Add prototype.
11267         * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
11268         anulling slot because of silicon bug.
11269         (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
11270
11271 2001-01-22  Alan Modra <alan@linuxcare.com.au>
11272
11273         * cppexp.c (parse_charconst):  Change `mask' type to agree
11274         with parse_escape.
11275
11276 2001-01-21  Richard Henderson  <rth@redhat.com>
11277
11278         * config/i386/i386.c (ix86_asm_file_end): Disable putting
11279         pic_label_name in a linkonce section.
11280
11281 2001-01-17  Philipp Thomas  <pthomas@suse.de>
11282
11283         * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
11284         found in libintl.
11285         * configure: Regenerate.
11286
11287 Sun Jan 21 02:38:56 2001  J"orn Rennecke <amylaar@redhat.com>
11288
11289         * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
11290         uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
11291
11292 Sun Jan 21 09:44:17 2001  Denis Chertykov  <denisc@overta.ru>
11293
11294         * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
11295         If REVERSE nonzero then condition code in X must be reversed.
11296         (encode_section_info): Optimise if/else.
11297         (avr_function_value): Fix formatting.
11298
11299         * config/avr/avr.md (branch): Call to ret_cond_branch changed.
11300         (difficult_branch): Likewise.
11301         (rvbranch): Likewise.
11302         (difficult_rvbranch): Likewise.
11303
11304         * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
11305
11306         * config/avr/libgcc.S: Fix comment.
11307
11308 2001-01-20  Michael Sokolov  <msokolov@ivan.Harhan.ORG>
11309
11310         * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
11311
11312 2001-01-20  Michael Sokolov  <msokolov@ivan.Harhan.ORG>
11313
11314         * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
11315
11316 2001-01-20  Michael Sokolov  <msokolov@ivan.Harhan.ORG>
11317
11318         * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
11319         * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
11320         * configure, config.in: Regenerate.
11321         * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
11322         (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
11323         (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
11324         (doprint.o): New rule.
11325
11326 2001-01-20  Joseph S. Myers  <jsm28@cam.ac.uk>
11327
11328         * c-typeck.c (digest_init): Handle boolean types as scalars.
11329
11330 Sat Jan 20 12:46:57 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11331
11332         * stmt.c (expand_return): Don't return anything if size is zero.
11333         Delete redundant assignment to BYTES.
11334         * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
11335
11336 2001-01-20  Marek Michalkiewicz  <marekm@linux.org.pl>
11337
11338         * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
11339         the same as the default library function names.
11340         * config/avr/avr.md: Document special characters after '%'.
11341         (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
11342         knowing which of the call-used registers are really clobbered.
11343         (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
11344         New.  Both quotient and remainder from one libgcc.S call.
11345         * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
11346         clobber as few registers as possible.
11347         * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
11348
11349 2001-01-20  Neil Booth  <neil@daikokuya.demon.co.uk>
11350
11351         * cppmacro.c (funlike_invocation_p): Don't move back up to the
11352         context of the top of the stack.
11353
11354 2001-01-20  Jakub Jelinek  <jakub@redhat.com>
11355
11356         * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
11357         (fixup_var_refs_insns): ...here.
11358
11359 2001-01-20  Zack Weinberg  <zack@wolery.stanford.edu>
11360
11361         * function.c (fixup_var_refs_insns): Break up into
11362         fixup_var_refs_insn [body of loop], fixup_var_refs_insns
11363         [loop over entire insn list], and fixup_var_refs_insns_with_hash
11364         [loop over hash table entries].
11365         (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
11366         fixup_var_refs_insns_with_hash, to match above changes.
11367
11368 2001-01-19  John David Anglin  <dave@hiauly1.hia.nrc.ca>
11369
11370         * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
11371         (libgcc.a): Likewise.
11372         (stmp-multilib): Likewise.
11373         (STAGE2_FLAGS_TO_PASS): Likewise.
11374
11375 2001-01-19  Alexandre Oliva  <aoliva@redhat.com>
11376
11377         * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
11378         temporary if no_new_pseudos.
11379
11380 2001-01-19  Neil Booth  <neil@daikokuya.demon.co.uk>
11381
11382         * cppinternals.texi: Update.
11383
11384 2001-01-19  Richard Earnshaw  <rearnsha@arm.com>
11385
11386         * arm.c (arm_init_builtins): Re-enable builtins.
11387
11388 Fri Jan 19 13:02:56 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11389
11390         * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
11391         * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
11392         element to be null, and always expect an EXPR_LIST.
11393         * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
11394         * sched-deps.c (sched_analyze_1): Likewise.
11395         * sched-rgn.c (check_live_1, update_live_1): Likewise.
11396
11397         * regclass.c (max_set_parallel): New variable.
11398         (reg_scan): Take it into account in computation of max_parallel.
11399         (reg_scan_mark_refs, case SET): Compute it.
11400
11401         * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
11402         args are REG.
11403         * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
11404         * function.c (assign_parms): Use INTVAL for a CONST_INT.
11405
11406 2001-01-19  Jason Merrill  <jason@redhat.com>
11407
11408         * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
11409         for the abstract instance of an inline function.
11410
11411 Fri Jan 19 14:31:35 2001  Alexandre Oliva  <aoliva@redhat.com>
11412                           J"orn Rennecke <amylaar@redhat.com>
11413
11414         * reload1.c (move2add_note_store): Treat all registers directly or
11415         indirectly derived from a base register as members of the same set
11416         of values.
11417         (reload_cse_move2add): Adjust accordingly.  Take mode and offset
11418         of base register into account.
11419
11420 Fri Jan 19 09:18:42 2001  J"orn Rennecke <amylaar@redhat.com>
11421
11422         * alias.c (find_base_value): Recognize TRUNCATE.
11423         (record_set): In PLUS case, invalidate if other summand is also a
11424         base value.
11425
11426 Thu Jan 18 06:43:04 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11427
11428         * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
11429         entry to be EXPR_LIST.
11430         * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
11431         be an EXPR_LIST (but not null, which other code doesn't allow).
11432         (note_stores): Properly handle PARALLEL in SET.
11433         Recursively call for top-level PARALLEL.
11434         * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
11435         * sched-rgn.c (check_live_1, update_live_1): Likewise.
11436
11437         * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
11438
11439 2001-01-18  Neil Booth  <neil@daikokuya.demon.co.uk>
11440
11441         * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
11442         not pfile->skipping (== 0).
11443
11444 2001-01-17  Nick Clifton  <nickc@redhat.com>
11445
11446         * config/rs6000/rs6000.c: Add prototypes for {init|free}_
11447         machine_status.
11448
11449 2001-01-17  Jim Wilson  <wilson@redhat.com>
11450
11451         * invoke.texi (IA-64 options): Improve.
11452
11453 2001-01-17  Tom Tromey  <tromey@redhat.com>
11454
11455         * invoke.texi (Optimize Options): Use `{}' to around @samp
11456         argument.
11457
11458 2001-01-17  Aldy Hernandez  <aldyh@redhat.com>
11459
11460         * invoke.texi (-fno-guess-branch-probability): New option.
11461
11462 Wed Jan 17 13:26:34 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11463
11464         * combine.c (try_combine): Don't set i3_subst_into_i2 for
11465         case of making new double-word constant.
11466         Revert last change: instead just test i3_subst_into_i2.
11467
11468 2001-01-17  Jakub Jelinek  <jakub@redhat.com>
11469
11470         * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
11471         Use q constraints instead of r.
11472
11473 Tue Jan 16 22:23:04 2001  Alan Modra (alan@linuxcare.com.au)
11474
11475         * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
11476         (machine_function): Define.
11477         (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
11478         * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
11479         pa_free_machine_status): New functions.
11480         (override_options): Set {init,mark,free}_machine_status to above.
11481         (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11482         PIC_OFFSET_TABLE_REGNUM_SAVED.
11483         * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11484         PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
11485         * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
11486         references to PIC_OFFSET_TABLE_REGNUM_SAVED.
11487         * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11488
11489 2001-01-15  DJ Delorie  <dj@redhat.com>
11490
11491         * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
11492         (cpp.1): Ditto.
11493         (gcc.1): Ditto.
11494
11495 Tue Jan 16 17:20:43 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11496
11497         * flow.c (propagate_one_insn): Make trying to delete a prologue
11498         or epilogue insn an ICE, not a warning.  Allow doing this if
11499         the current function returns with stack pointer depressed.
11500
11501         * combine.c (try_combine): If i3_subst_into_i2, properly check for
11502         I3 having more than one SET.
11503
11504 2001-01-16  Jim Wilson  <wilson@redhat.com>
11505
11506         * invoke.texi: Document IA-64 options.
11507
11508         * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
11509         (fixup_errata): Delete TARGET_A_STEP use.
11510         * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
11511         (TARGET_SWITCHES): Delete -ma-step option.
11512         * config/ia64/ia64.md (all FP patterns): Delete %B0.
11513         (movqicc_astep, movqi_internal_astep, movhicc_astep,
11514         movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
11515         movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
11516         movdfcc_astep, movdf_internal_astep, movtfcc_astep,
11517         movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
11518         Delete.
11519         (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
11520         movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
11521         cmovsi_internal): Delete ! TARGET_A_STEP check.
11522
11523 2001-01-16  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
11524
11525         * gcc.texi (Bug Lists): Do not mention newsgroups nor the
11526         possibility to report bugs via postal mail. Change a URL and
11527         merge in a nearly duplicate statement...
11528         (Bug Reporting): ...from here.
11529         (Service): Refer to the Bug Reporting section instead of
11530         duplicating an URL.
11531         (Contributing): Remove trivial explanations concerning snapshots.
11532
11533 2001-01-16  Alan Modra <alan@linuxcare.com.au>
11534
11535         * cppmain.c (general_init): Don't use ANSI prototype.
11536
11537 2001-01-16  Tom Tromey  <tromey@redhat.com>
11538
11539         * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
11540
11541 2001-01-16  Richard Henderson  <rth@redhat.com>
11542
11543         * config/i386/i386.h: Fix comment typo.
11544         * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
11545         (ashr+compare patterns): Match CCGOCmode not CCNOmode.
11546
11547 2001-01-16  Phil Edwards  <pme@sources.redhat.com>
11548
11549         * gcc.c:  Revert previous -fsyntax-only-related change; move
11550         to cp/g++spec.c.
11551
11552 2001-01-16  Jakub Jelinek  <jakub@redhat.com>
11553
11554         * config/i386/i386.c (fcmov_comparison_operator): Only initialize
11555         inmode after checking GET_CODE (op).
11556
11557 2001-01-16  Richard Henderson  <rth@redhat.com>
11558
11559         * flow.c (struct propagate_block_info): Add mem_set_list_len.
11560         (MAX_MEM_SET_LIST_LEN): New.
11561         (propagate_one_insn): Update mem_set_list_len.
11562         (invalidate_mems_from_autoinc): Likewise.
11563         (invalidate_mems_from_set): Likewise.
11564         (mark_used_regs): Likewise.
11565         (init_propagate_block_info): Likewise.  Stop collecting memories
11566         when we reach MAX_MEM_SET_LIST_LEN.
11567         (mark_set_1): Likewise.
11568
11569 2001-01-16  Richard Henderson  <rth@redhat.com>
11570
11571         * unroll.c (precondition_loop_p): Fail if no iteration
11572         variable found.
11573
11574 2001-01-16  Phil Edwards  <pme@sources.redhat.com>
11575
11576         * gcc.c:  When -fsyntax-only is given, do not complain about
11577         unused libraries.
11578
11579 2001-01-15  Richard Henderson  <rth@redhat.com>
11580
11581         * config/i386/i386.c (asm_output_function_prefix): Remove.
11582         (ix86_asm_file_end): New.
11583         (load_pic_register): Generate pic_label_name into a
11584         staticly allocated buffer.
11585         * config/i386/i386-protos.h: Update.
11586         * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
11587         (ASM_FILE_END): New.
11588         * config/i386/i386afe.h: New file.
11589         * config.gcc (i?86-*-elf) [tm_file]: Use it.
11590         (i?86-*-{freebsd,linux*,moss*}): Likewise.
11591         * config/elfos.h (ASM_FILE_END): Undef before redefinition.
11592         * config/i386/cygwin.h (ASM_FILE_END): Likewise.
11593         * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
11594         * config/i386/sco5.h (ASM_FILE_END): Likewise.
11595         * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
11596
11597 2001-01-15  Joseph S. Myers  <jsm28@cam.ac.uk>
11598
11599         * Makefile.in (install-man): Remove explicit dependency on
11600         $(srcdir)/gcc.1.
11601
11602         * configure.in, configure: Revert previous patch requiring perl
11603         5.6.0.
11604
11605 2001-01-12  Aldy Hernandez  <aldyh@redhat.com>
11606
11607         * toplev.c (flag_guess_branch_prob): New.
11608         (f_options): Add guess-branch-probability option.
11609         (rest_of_decl_compilation): Only estimate branch probability if
11610         flag set.
11611         (main): set flag_guess_branch_prob.
11612
11613         * flags.h (flag_guess_branch_prob): New.
11614
11615 2001-01-15  DJ Delorie  <dj@redhat.com>
11616
11617         * gcc.texi (Makefile): Add documentation for Makefile targets.
11618
11619 2001-01-15  Philip Blundell  <philb@gnu.org>
11620
11621         * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
11622         (is_pic): Delete.
11623         * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
11624         (is_pic): Delete declaration.
11625         * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
11626         (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
11627         * config/arm/arm.md (builtin_setjmp_receiver): New.
11628
11629 2001-01-15  Richard Earnshaw  <rearnsha@arm.com>
11630
11631         * arm.c (use_return_insn): Don't try to determine the function type
11632         until after reload has completed.
11633         (arm_output_epilogue): Don't adjust the sp value recovered from the
11634         stack.
11635         (emit_multi_reg_push): Don't record dwarf information for the pc.
11636         * arm.md (eh_epilogue): The function type may have changed, so it
11637         needs to be recalculated.
11638         * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete.  Can now use dwarf2
11639         unwind tables on arm/netbsd.
11640
11641 2001-01-15  Richard Earnshaw  <rearnsha@arm.com>
11642
11643         * arm.md (cbranchsi4): Correct calculation of branch ranges.
11644         (negated_cbranchsi4): Likewise.
11645
11646 2001-01-15  Richard Earnshaw  <rearnsha@arm.com>
11647
11648         * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
11649         (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11650         (ASM_SPEC): Call subtarget_extra_asm_spec.  Don't
11651         pass -mapcs-* options to assembler.
11652         * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
11653         (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11654         (ASM_SPEC): Call subtarget_extra_asm_spec.
11655
11656 2001-01-15  Andreas Jaeger  <aj@suse.de>
11657
11658         * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
11659         warnings.
11660         (ix86_expand_builtin): Likewise.
11661
11662         * gencodes.c (output_predicate_decls): Make i size_t to avoid
11663         warning about comparison between signed and unsigned.
11664
11665 2001-01-14  Geoffrey Keating  <geoffk@redhat.com>
11666
11667         * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
11668
11669 2001-01-14  Ralf Baechle <ralf@gnu.org>
11670
11671         * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
11672         SUBTARGET_CPP_SPEC apropriatly.
11673
11674 2001-01-12  Mark Mitchell  <mark@codesourcery.com>
11675
11676         * varasm.c (make_decl_rtl): Fix typo in last change.
11677
11678 2001-01-14  Jeffrey Oldham  <oldham@codesourcery.com>
11679
11680         * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
11681         linker supports the init_priority C++ attribute.
11682         * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
11683         * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
11684         linker does not support init_priority C++ attribute.
11685
11686 Sun Jan 14 22:31:30 2001  J"orn Rennecke <amylaar@redhat.com>
11687
11688         * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
11689
11690 2001-01-14  Neil Booth  <neil@daikokuya.demon.co.uk>
11691
11692         * c-parse.in (finish_parse): Add comment about cpp_destroy.
11693         * cp/lex.c (finish_parse): Similarly.
11694         * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
11695         Return the number of errors encountered.
11696         * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
11697         * cppmain.c (main): Don't call cpp_destroy.
11698
11699 2001-01-14  Joseph S. Myers  <jsm28@cam.ac.uk>
11700
11701         * configure.in: Require at least perl 5.6.0 to regenerate
11702         manpages.
11703         * configure: Regenerate.
11704
11705 2001-01-14  Richard Henderson  <rth@redhat.com>
11706
11707         * genrecog.c (DT_veclen_ge): New.
11708         (add_to_sequence) [MATCH_PARALLEL]: Generate one.
11709         (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
11710         (nodes_identical_1): Handle DT_veclen_ge.
11711         (write_cond, debug_decision_2): Likewise.
11712
11713 2001-01-14  Richard Earnshaw  <rearnsha@arm.com>
11714
11715         * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete.  Replace
11716         with ...
11717         (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
11718
11719 2001-01-14  Neil Booth  <neil@daikokuya.demon.co.uk>
11720
11721         * cppmain.c (do_preprocessing): New function; most of the old
11722         main.
11723         (main): Call it to do most of the work.
11724         (cb): Move from global scope to set_callbacks ().
11725         (setup_callbacks): Get the callback pointer.
11726         (general_init, printer_init): Clean up code and comments.
11727
11728 2001-01-14  Richard Earnshaw  <rearnsha@arm.com>
11729
11730         * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
11731         compiling PIC.
11732
11733 2001-01-14  Kazu Hirata  <kazu@hxi.com>
11734
11735         * config/h8300/h8300.c (get_shift_alg): Update comments.
11736
11737 Sun Jan 14 06:20:49 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11738
11739         * ggc-page.c (alloc_annon): Call perror and correctly call exit.
11740         (alloc_page, ggc_alloc): Add casts to remove warnings.
11741
11742 2001-01-14  Geoffrey Keating  <geoffk@redhat.com>
11743
11744         * combine.c (simplify_comparison): Don't change `code' when
11745         can't reverse comparison.
11746
11747 2001-01-14  Richard Henderson  <rth@redhat.com>
11748
11749         * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
11750         update all call sites.  Return true for all non-label constants.
11751
11752 Sun Jan 14 10:09:48 MET 2001  Jan hubicka  <jh@suse.cz>
11753
11754         * i386.c (ix86_expand_compare): Add bypass_test and second_test
11755         parameters.
11756         (ix86_expand_branch): Update.
11757         (ix86_expand_setcc): Update to handle multiple test conditions.
11758         (expand_int_movcc): Likewise.
11759         (expand_fp_movcc): Likewise.
11760         * i386-protos.h (ix86_expand_compare): New.
11761         * i386.md (andqi_?_slp, orqi_?_slp): New.
11762         (conditional trap expander): Update call to ix86_expand_compare.
11763
11764 2001-01-14  Richard Henderson  <rth@redhat.com>
11765
11766         * config/vax/vax.md: Use nonimmediate_operand instead of
11767         general_operand in destinations.
11768
11769         * config/vax/vax.md (indirect_jump): Use register_operand.
11770
11771         * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
11772         * config/vax/vax.md (call_pop): Turn into an expander.
11773         (call_value_pop): Likewise.
11774         (call, call_value): New.
11775
11776 2001-01-14  Andreas Jaeger  <aj@suse.de>
11777
11778         * config/i386/i386.c (ix86_split_fp_branch): Remove unused
11779         variables.
11780         (ix86_fp_compare_mode): Add unused attribute.
11781         (ix86_expand_fp_movcc): Remove unused variable.
11782         (ix86_expand_builtin): Make fcode unsigned.
11783
11784         * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
11785         (expand_expr): Add cast to avoid signed warning.
11786         (store_field): Likewise.
11787         (store_constructor_field): Likewise.
11788         (store_constructor): Likewise.
11789         (store_expr): Likewise.
11790         (clear_storage): Likewise.
11791         (emit_group_store): Likewise.
11792         (emit_group_load): Likewise.
11793
11794 2001-01-13  Joseph S. Myers  <jsm28@cam.ac.uk>
11795
11796         * c-common.c: Move format checking code to ...
11797         * c-format.c: ... here.  New file.  Reorder some functions and
11798         declarations.
11799         (decl_handle_format_attribute, decl_handle_format_arg_attribute):
11800         New functions.
11801         * c-common.h (decl_handle_format_attribute,
11802         decl_handle_format_arg_attribute): Declare.
11803         * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
11804         (c-common.o): Adjust dependencies.
11805         (c-format.o): New list of dependencies.
11806
11807 2001-01-13  Jakub Jelinek  <jakub@redhat.com>
11808
11809         * unroll.c (loop_iterations): If we cannot prove iteration variable
11810         is set once in each iteration, punt.
11811
11812 Sun Jan 14 00:23:15 2001  Denis Chertykov  <denisc@overta.ru>
11813
11814         * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
11815         (*strlenhi): Remove clobber (which was buggy) of output address.
11816
11817 2001-01-13  Joseph S. Myers  <jsm28@cam.ac.uk>
11818
11819         * Makefile.in (generated-manpages): Add gcc.1
11820         ($(srcdir)/gcc.1): New target.
11821         (maintainer-clean): Delete $(srcdir)/gcc.1.
11822         * gcc.texi: Add macros @gccoptlist and @gol.
11823         * invoke.texi: Include option summary in manpage.  Mark up option
11824         summary with @gccoptlist and @gol.  Use @r in one place where
11825         appropriate.
11826         * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
11827         * gcc.1: Generate from invoke.texi.
11828
11829 2001-01-13  Richard Henderson  <rth@redhat.com>
11830
11831         * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
11832         (struct page_entry): Add group member.
11833         (struct page_group): New.
11834         (struct globals): Add page_groups member.
11835         (alloc_anon): Only define for using mmap; remove valloc call.
11836         (page_group_index): New.
11837         (set_page_group_in_use): New.
11838         (clear_page_group_in_use): New.
11839         (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
11840         (free_page, release_pages): Likewise.
11841         * configure.in (with-gc): Default to ggc-page always.
11842
11843 2001-01-13  Alexandre Oliva  <aoliva@redhat.com>
11844
11845         * reload1.c (replace_pseudos_in_call_usage): Use
11846         reg_equiv_constant and reg_equiv_address, and don't try
11847         regno_reg_rtx first.
11848
11849 2001-01-13  Richard Henderson  <rth@redhat.com>
11850
11851         * ggc-page.c (alloc_page): Round up allocation size to one page.
11852         Set e->order on extra pages.
11853
11854 2001-01-13  Richard Henderson  <rth@redhat.com>
11855
11856         * genrecog.c (nodes_identical): Expand commentary.
11857         (write_switch): Watch out for identical nodes.
11858
11859 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
11860
11861         * cppfiles.c (_cpp_fake_include): New function.
11862         * cpphash.h (_cpp_fake_include): New.
11863         * cpplib.c (do_line): Call _cpp_fake_include when entering
11864         header files in preprocessed input.
11865         * cppmain.c (cb_pragma_implementation): Remove handling.
11866         (setup_callbacks): Don't register pragmas.
11867
11868 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
11869
11870         * extend.texi: Udate for CPP.
11871
11872 2001-01-13  Andreas Jaeger  <aj@suse.de>
11873
11874         * reload1.c: Add prototype for replace_pseudos_in_call_usage.
11875
11876         * regmove.c: Add prototype for replace_in_call_usage.
11877
11878 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
11879
11880         * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
11881         struct cpp_chunk, struct htab, struct toklist,
11882         struct cpp_context, CPP_STACK_MAX, struct lexer_state,
11883         struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
11884         CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
11885         ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
11886         (struct macro_args): Delete.
11887         * cpphash.h: See above.
11888
11889 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
11890
11891         * cppmain.c (struct printer): Remove no_line_dirs.
11892         (options, cb): New.
11893         (main, setup_callbacks, scan_buffer, printer_init, cb_define)
11894         : Use options rather than CPP_OPTION.
11895         (setup_callbacks): Use cb rather than pfile->cb.
11896         (main): No need to check for a buffer.  Use cpp_errors.
11897         (printer_init): Don't set no_line_dirs.
11898         (maybe_print_line): Use options not no_line_dirs.
11899         (cb_file_change): Don't call print_line if -P.
11900
11901 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
11902
11903         * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
11904         callbacks.
11905         * c-parse.in (finish_parse): Use cpp_errors.
11906         (__yylex): Use return value of cpp_pop_buffer.
11907         * cp/lex.c (finish_parse): Use cpp_errors.
11908         * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
11909
11910 Sat Jan 13 16:57:40 2001  Denis Chertykov  <denisc@overta.ru>
11911
11912         * README.AVR: URLs corrected.
11913
11914 Sat Jan 13 07:30:02 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11915
11916         * c-decl.c (start_function): Don't warn if old prototype is builtin
11917         that's not in C's namespace.
11918         * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
11919         (_bb): Add prototype for ctime.
11920         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
11921
11922 Sat Jan 13 09:53:32 MET 2001  Jan Hubicka  <jh@suse.cz>
11923
11924         * i386.c (ix86_fp_comparison_arithmetics_cost,
11925         ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
11926         ix86_fp_comparison_cost): New functions.
11927         (ix86_expand_fp_compare): Use the costs to choose best bethod; add
11928         two new parameters SECOND_TEST and BYPASS_TEST; allow generating
11929         two-branch sequences; make static.
11930         (ix86_use_fcomi_compare): Do decision according to the costs.
11931         (split_fp_branch): New.
11932         * i386.md (compare-and-branch patterns): Use split_fp_branch.
11933         * i386-protos.h (ix86_expand_fp_compare): Remove
11934         (ix86_split_fp_branch): Declare.
11935
11936         * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
11937         and ix86_comparison_operator.
11938
11939         * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
11940         to make it cheaper.
11941
11942         * i386.c (put_condition_code): Output properly the unordered/ordered
11943         compares in fp case.
11944         (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
11945
11946         * tm.texi (REVERSE_CONDITION): Document.
11947         * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
11948         in -ffast-math mode.
11949         * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
11950
11951 2001-01-13  Alexandre Oliva  <aoliva@redhat.com>
11952
11953         * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
11954
11955         * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
11956         optimized away.
11957
11958         * config/sh/sh.c (mova_p): Fix test for mova_const.
11959
11960 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
11961
11962         * fix-header.c (read_scan_file): Use cpp_get_callbacks and
11963         cpp_get_options rather than dereferencing pfile and using
11964         CPP_OPTION.
11965         * scan-decls.c (scan_decls): Use return value of
11966         cpp_pop_buffer rather than CPP_BUFFER.
11967
11968 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
11969
11970         * cppinit.c (cpp_handle_option): help_only is now part of the
11971         cpp_options structure.
11972         * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
11973         cpp_set_callbacks): New functions.
11974         * cpplib.h (cpp_callbacks): Break out as a named structure.
11975         (cpp_options): Move help_only here from cpp_reader.
11976         (CPP_FATAL_ERRORS): Update to use cpp_errors.
11977         (cpp_errors, cpp_get_options, cpp_get_callbacks,
11978         cpp_set_callbacks): New prototypes.
11979         * cppmain.c (main): Update for help_only.
11980
11981 2001-01-13  Joseph S. Myers  <jsm28@cam.ac.uk>
11982
11983         * Makefile.in (info, maintainer-clean, install-info, uninstall):
11984         Also build and remove and install and uninstall c-tree.info and
11985         cppinternals.info.
11986         ($(srcdir)/gcc.info): Add dependency on contrib.texi.
11987         ($(srcdir)/cppinternals.info): New target.
11988         * c-tree.texi: Change file name used when makeinfo used without -o
11989         from ir.info to c-tree.info.  Add info directory entry.
11990         * cppinternals.texi: Add info directory entry.
11991         * .cvsignore: Update.
11992
11993 2001-01-12  Jakub Jelinek  <jakub@redhat.com>
11994
11995         * c-typeck.c (store_init_value): Don't require constant initializer
11996         elements with -pedantic -std=c99.
11997         (digest_init): Change error about non-constant initializer elements
11998         into pedwarn.
11999         (constructor_range_end): Remove.
12000         (constructor_incremental, designator_depth,
12001         designator_errorneous): New variables.
12002         (struct constructor_stack): Remove range_end, add incremental.
12003         (struct constructor_range_stack, constructor_range_stack): New.
12004         (struct initializer_stack): Add constructor_range_stack.
12005         (finish_init): Set it.
12006         (start_init): Likewise.  require_constant_elements for non-static
12007         trees only if not flag_isoc99.
12008         (really_start_incremental_init): Remove constructor_range_end, add
12009         constructor_incremental.
12010         (pop_init_level): Likewise.
12011         (push_init_level): Likewise.  If implicit and the subobject had some
12012         value set already, preinitialize the level with it.
12013         Warn about missing braces only if not pushing due to designators.
12014         (set_designator, push_range_stack): New functions.
12015         (set_init_label): Use them.
12016         (set_init_index): Likewise.  Remove constructor_range_end.
12017         Error if designator index is outside of array bounds.
12018         (add_pending_init): Compare values of purpose index trees, not the
12019         trees themselves.  Allow overwriting of already initialized element.
12020         Issue a warning if it had side-effects.
12021         (set_nonincremental_init, set_nonincremental_init_from_string): New
12022         functions.
12023         (pending_init_member): Rename to...
12024         (find_init_member): ...this function.  Call set_nonincremental_init
12025         if necessary.  Compare values of purpose index trees, not the trees
12026         themselves.  Return the actual value, not just non-zero if something
12027         is found.
12028         (output_init_element): Remove checks for duplicates.
12029         If field has zero size, only check the initializer for correctness.
12030         Call set_nonincremental_init if necessary.  Push RECORD/ARRAY into AVL
12031         if constructor_incremental is zero.  Change error about initializers
12032         not computable at load time into pedwarn.
12033         (output_pending_init_elements): Compare bit positions, not
12034         FIELD_DECLs to take into account zero-sized fields.
12035         (process_init_element): Use constructor_range_stack to fill all
12036         ranges in the designator lists from current level up.
12037         * extend.texi: Update documentation for labeled elements.
12038
12039 2001-01-12  Alexandre Oliva  <aoliva@redhat.com>
12040
12041         * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
12042         to function usage for arguments passed by reference.  Optimize
12043         callee-copied arguments.
12044         * regmove.c (replace_in_call_usage): New function.
12045         (fixup_match_1): Call it.
12046         * cse.c (cse_insn): Canonicalize registers in function usage.
12047         * reload1.c (replace_pseudos_in_call_usage): New function.
12048         (reload): Call it.
12049
12050         * Makefile.in: Reverted yesterday's wrong patch.  Installed the
12051         right version.
12052
12053 2001-01-12  Jakub Jelinek  <jakub@redhat.com>
12054
12055         * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
12056         not XEXP (tmp, 0).
12057
12058 2001-01-12  DJ Delorie  <dj@redhat.com>
12059
12060         * Makefile.in (bootstrap): rename stages to be mnemonic.  Add
12061         restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
12062         targets.
12063
12064 2001-01-12  Joseph S. Myers  <jsm28@cam.ac.uk>
12065
12066         * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
12067         tm.texi: Consistently refer to ISO C instead of ANSI C.  Refer to
12068         -std options alongside references to -ansi.  Update some
12069         documentation for C99.
12070         * cpp.1: Regenerate.
12071
12072 2001-01-12  Andreas Jaeger  <aj@suse.de>
12073
12074         * haifa-sched.c (restore_line_notes): Remove argument block B
12075         since it's unused.
12076         * sched-ebb.c (schedule_ebb): Change caller.
12077         * sched-rgn.c (schedule_region): Likewise.
12078         * sched-int.h (restore_line_notes): Adjust prototype.
12079
12080         * loop.h: Remove wrong declaration of doloop_condition_get.
12081
12082 2001-01-12  Phil Edwards  <pme@sources.redhat.com>
12083
12084         * extend.texi:  Move C++-extension-related node from the C section
12085         into the C++ section.
12086
12087 2001-01-12  Joseph S. Myers  <jsm28@cam.ac.uk>
12088
12089         * extend.texi: Refer to an array of pointers to functions instead
12090         of one of functions.
12091
12092 Fri Jan 12 12:08:12 MET 2001  Andreas Jaeger  <aj@suse.de>
12093                               Jan Hubicka  <jh@suse.cz>
12094
12095         * combine.c (reversed_comparison): Fix typo in last patch.
12096         Check X for NULL.
12097         (combine_reversed_comparison_code): Make static to follow
12098         prototype declaration.
12099
12100 2001-01-12  Phil Edwards  <pme@sources.redhat.com>
12101
12102         * install.texi:  Remove misplaced duplicate entry.
12103
12104 2001-01-11  Ulrich Drepper  <drepper@redhat.com>
12105
12106         * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
12107
12108 Thu Jan 11 17:06:30 EST 2001  John Wehle  (john@feith.com)
12109
12110         * final.c: (leaf_function_p): Fix typo.
12111
12112 2001-01-11  Zack Weinberg  <zack@wolery.stanford.edu>
12113
12114         * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
12115         Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
12116         which you have.
12117         (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
12118         * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
12119         mmap_anon, and valloc is available.
12120         * ggc-page.c: Restructure ifdef logic to match new autoconf
12121         spec.  Don't throw away the test page in init_ggc.
12122
12123         * configure, config.in: Regenerate.
12124
12125 2001-01-12  Michael Hayes  <mhayes@redhat.com>
12126
12127         * loop.h (total_biv_increment): Constify iv_class pointer.
12128         (struct induction): Replace `mem_mode' with `mem' rtx.
12129         * unroll.c (total_biv_increment): Constify iv_class pointer.
12130         * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
12131         (find_mem_givs, combine_givs_p): Likewise.
12132         (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
12133
12134 2001-01-10  Thomas Pfaff <tpfaff@gmx.net>
12135
12136         * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
12137         LastError.
12138         (__gthread_getspecific): Ditto.
12139
12140 Fri Jan 12 00:04:00 MET 2001  Jan Hubicka  <jh@suse.cz>
12141
12142         * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
12143         put_condition_code): Convert fp comparison codes to integer
12144         before handling.
12145         (ix86_expand_fp_compare): Postnote the fp comparison code converison
12146         to final.
12147
12148         * i386.c (unsigned_comparison, no_comparison_operator): Kill.
12149         * i386-protos.h (no_comparison_operator): Kill.
12150
12151         * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
12152
12153         * combine.c (REVERSIBLE_CC_MODE): Remove.
12154         (reversible_comparison_p): Remove.
12155         (combine_reversed_comparison_code): New.
12156         (reversed_comparison): New.
12157         (combine_simplify_rtx): Use
12158         combine_reversed_comparison_code/reversed_comparison instead
12159         of reversible_comparison_p.
12160         (simplify_if_then_else): Likewise.
12161         (simplify_set): Likewise.
12162         (simplify_logical): Likewise.
12163         (if_then_else_cond): Likewise.
12164         (known_cond): Likewise.
12165         (simplify_comparison): Likewise.
12166
12167 2001-01-11  Alan Lehotsky  <lehotsky@tiac.net>
12168
12169         * builtins.c (std_expand_builtin_va_start): Handle varargs when
12170         sizeof (int) is larger than sizeof(__word__).
12171
12172 2001-01-11  Neil Booth  <neil@daikokuya.demon.co.uk>
12173
12174         * cppinit.c (do_includes): Fix typo.
12175
12176 2001-01-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
12177
12178         * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
12179         in S_REGS does not occur because not all sources are possible
12180         when a S_REGS is a destination (sometimes needs a clobber).
12181         (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
12182         (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
12183         (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
12184         (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
12185         (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
12186         (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
12187         (lshrdi_const1, lshrsi3_const16): Likewise.
12188         (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
12189         (*movhi_68hc12, *movqi_68hc12): Likewise.
12190         (movstrictqi): Make sure reloading in D_REGS as a destination
12191         does not happen.
12192
12193 2001-01-11  Neil Booth  <neil@daikokuya.demon.co.uk>
12194
12195         * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12196
12197 2001-01-11  Neil Booth  <neil@daikokuya.demon.co.uk>
12198
12199         * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
12200         -D, -U and -A, and don't initialize the builtins.
12201         (do_includes): Error if -include or -imacros with -fpreprocessed.
12202         * cppmain.c (cb_define, cb_undef): Unconditionally process
12203         the callback.
12204         * tradcpp.c (main): Fix typo.
12205
12206 2000-01-11  Mark Elbrecht  <snowball3@bigfoot.com>
12207
12208         * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
12209         (read_name_map): Use IS_ABSOLUTE_PATH.
12210         * tradcpp.c (get_filename): Likewise.
12211
12212 2001-01-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
12213
12214         * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
12215         (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
12216         (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
12217         (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
12218         (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
12219         (cmphi_z_used): Don't use '@' for the output.
12220         (tstqi_z_used): Likewise.
12221         (cmpqi_z_used): Likewise.
12222         (one_cmplsi2): Likewise.
12223
12224 2001-01-11  Alexandre Oliva  <aoliva@redhat.com>
12225
12226         * config/sh/sh.c (barrier_align): Recognize branch around far
12227         branch and redundant insn.
12228
12229 2001-01-11  Neil Booth  <neil@daikokuya.demon.co.uk>
12230
12231         * invoke.texi: Restore documentation of the drivers' switches -MD
12232         and -MMD.
12233
12234 2001-01-11  Alexandre Oliva  <aoliva@redhat.com>
12235
12236         * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
12237
12238         * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
12239         check-objc//%): Support parallel testing of multilibs.
12240         (TESTSUITEDIR): Set to testsuite by default, but override for
12241         parallel testing.
12242         (check-gcc, check-g++, check-g77, check-objc): Enter
12243         $(TESTSUITEDIR).
12244
12245 2001-01-11  Bernd Schmidt  <bernds@redhat.com>
12246
12247         * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
12248         * sched-deps.c (deps_may_trap_p): Likewise.
12249         * basic-block.h: Remove a comment.
12250         * flow.c (PROP_POSTRELOAD): Remove.
12251         (update_life_info): Don't add it to prop_flags.
12252         (mark_set_1): Lose the code that was enabled by it.
12253
12254 2001-01-11  Michael Hayes  <mhayes@redhat.com>
12255
12256         * flow.c (flow_call_edges_add): New.
12257         * basic_block.h (flow_call_edges_add): New.
12258
12259 2001-01-11  J"orn Rennecke <amylaar@redhat.com>
12260
12261         * reload1.c (move2add_note_store): Update reg_set_luid even if
12262         base reg remains the same.
12263
12264 2001-01-10  Nick Clifton  <nickc@redhat.com>
12265
12266         * config/d30v/d30v.c (d30v_init_machine_status): Initialise
12267         machine_function structure to zero.
12268         Add prototypes for machine_status functions.
12269
12270 2001-01-10  Mark Mitchell  <mark@codesourcery.com>
12271
12272         * c-common.h (CTI_VOID_LIST): Remove.
12273         (void_list_node): Likewise.
12274         * tree.h (TI_VOID_LIST_NODE): New enumeral.
12275         (void_list_node): New macro.
12276         * config/arm/arm.c (arm_init_builtins): Use void_list_node.
12277         * config/i386/i386.c (ix86_init_builtins): Likewise.
12278         * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
12279
12280 2001-01-10  Neil Booth  <neil@daikokuya.demon.co.uk>
12281
12282         * Makefile.in (tradcpp0): Depend on mkdeps.h.  Link mkdeps.o
12283         * cppinit.c (cpp_start_read): Update comment, remove unneeded
12284         if statement.
12285         * tradcpp.c: Include mkdeps.h.
12286         (deps, print_deps_phony_targets, deps_append, output_deps,
12287         init_dependency_output, output_deps): New.
12288         (deps_buffer, deps_allocated_size, deps_size, deps_column,
12289         deps_output): Delete.
12290         (print_deps_missing_files): Rename deps_missing_files.
12291         (inhibit_output): Make global.
12292         (main): Delete inhibit_output, deps_stream, deps_target.
12293         Use mkdeps functionality in the same way as cpplib.  Remove
12294         -g3 handling.  Handle -MF, -MP, -MQ, -MT.  Update handling of
12295         -M and -MM.  Remove old handling of deps via deps_out, and
12296         old reading of environment variables.
12297         (get_filename): Update to use deps_add_dep.
12298
12299 2001-01-10  Mark Mitchell  <mark@codesourcery.com>
12300
12301         * output.h (make_function_rtl): Remove prototype.
12302         (make_decl_rtl): Likewise.
12303         * varasm.c (make_function_rtl): Remove.
12304         (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
12305         than from a third parameter.
12306         * tree.h (make_decl_rtl): Remove last parameter.
12307         * c-decl.c (builtin_function): Remove last argument in call to
12308         make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
12309         (start_function): Likewise.
12310         * except.c (call_get_eh_context): Likewise.
12311         * expr.c (emit_block_move): Likewise.
12312         (clear_storage): Likewise.
12313         * profile.c (output_func_start_profiler): Likewise.
12314         * toplev.c (rest_of_decl_compilation): Likewise.
12315         * objc/objc-act.c (create_builtin_decl): Likewise.
12316         (synth_module_prologue): Likewise.
12317         (generate_static_reference): Likewise.
12318         (build_selector_reference_decl): Likewise.
12319         (build_class_reference_decl): Likewise.
12320         (build_objc_string_decl): Likewise.
12321         (build_protocol_reference): Likewise.
12322
12323 2001-01-10  Richard Henderson  <rth@redhat.com>
12324
12325         * hwint.h: Revert yesterday's change.
12326
12327 2001-01-10  Nick Clifton  <nickc@redhat.com>
12328
12329         * function.h (save_machine_status): Delete.
12330         (restore_machine_status): Delete.
12331         Amend comment describing {init|mark|free}_machine_status.
12332
12333         * function.c (save_machine_status): Delete.
12334         (restore_machine_status): Delete.
12335         Amend comment describing {init|mark|free}_machine_status.
12336         (push_function_context_to): Remove invocation of
12337         save_machine_status.
12338         (pop_function_context_from): Remove invocation of
12339         restore_machine_status.
12340
12341         * emit-rtl.c (init_emit_once): Amend comment describing
12342         {init|mark|free}_machine_status.
12343
12344         * tm.texi (Per-Function Data): New node.  Describe the
12345         INIT_EXPANDERS macro and the {init|mark|free}_machine_status
12346         function pointers.
12347
12348 2001-01-10  Neil Booth  <neil@daikokuya.demon.co.uk>
12349
12350         * cppinit.c (OPT_g): Remove.
12351         (cpp_handle_option): Update for removed -g3.
12352         (print_help): Update.
12353         * cpplib.h (struct cpp_options): Remove debug_output.
12354         * cppmain.c (setup_callbacks, cb_define): Update.
12355         * gcc.c (cpp_options): Translate -g3 to -dD.
12356
12357 2001-01-10  Aldy Hernandez  <aldyh@redhat.com>
12358
12359         * config/i960/i960.md: Change modifier to + on the zero_extract
12360         pattern after the (rotate -2 reg) canonicalization pattern.
12361
12362 2001-01-10  Richard Henderson  <rth@redhat.com>
12363
12364         * config/alpha/alpha.c (alpha_free_machine_status): New.
12365         (override_options): Install it.
12366         (alpha_mark_machine_status): Verify machine non-null.
12367         * config/i386/i386.c (ix86_free_machine_status): New.
12368         (override_options): Install it.
12369         (ix86_init_machine_status): Use xcalloc.
12370         (ix86_mark_machine_status): Verify machine non-null.
12371         * config/ia64/ia64.c (ia64_free_machine_status): New.
12372         (ia64_override_options): Install it.
12373         (ia64_mark_machine_status): Verify machine non-null.
12374
12375 Wed Jan 10 11:34:39 2001  Jeffrey A Law  (law@cygnus.com)
12376
12377         * function.c (instantiate_virtual_regs): Instantiate virtual
12378         registers found in CALL_INSN_FUNCTION_USAGE.
12379
12380 2001-01-10  Joseph S. Myers  <jsm28@cam.ac.uk>
12381
12382         * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
12383         equivalent to -ansi in disabling -Di386.
12384
12385 Wed Jan 10 16:38:31 MET 2001  Jan Hubicka  <jh@suse.cz>
12386
12387         * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
12388         new functions.
12389         (ix86_expand_fp_compare): Make trivial use of new infrastructure.
12390
12391 2001-01-10  Richard Earnshaw  <rearnsha@arm.com>
12392
12393         * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
12394
12395 2001-01-10  Joseph S. Myers  <jsm28@cam.ac.uk>
12396
12397         * invoke.texi: Document that -fcond-mismatch isn't supported for
12398         C++.
12399
12400 2001-01-10  Joseph S. Myers  <jsm28@cam.ac.uk>
12401
12402         * gcc.texi: Define macro gcctabopt.
12403         * invoke.texi: Add manpage sections BUGS and AUTHOR.  Use
12404         @command, @env and @option in some places where appropriate.  Use
12405         @gcctabopt where appropriate.  Put URLs and email addresses inside
12406         @w.
12407
12408 2001-01-10  Nathan Sidwell  <nathan@codesourcery.com>
12409
12410         * gcc.c (cpp_options): Set MD file name from output
12411         filename, if specified.
12412         (suffix_subst): New static variable.
12413         (do_spec): Clear it.
12414         (do_spec_1, case '.'): Handle new `%.suffix' spec.
12415         Clear it.
12416         (give_switch): Handle suffix_subst.
12417
12418 2001-01-10  Phil Edwards  <pme@sources.redhat.com>
12419
12420         * invoke.texi:  Fix another typo.
12421
12422 2001-01-10  Phil Edwards  <pme@sources.redhat.com>
12423
12424         * invoke.texi:  Fix typo.
12425
12426 2001-01-10  Neil Booth  <neil@daikokuya.demon.co.uk>
12427
12428         * c-lang.c (lang_hooks): Update.
12429         (lang_decode_option): Remove.
12430         (lang_init_options): Rename c_init_options.
12431         * toplev.c (main): Use lang_hooks for lang_init_options
12432         and lang_decode_option.
12433         * toplev.h (lang_hooks): Add 2 new hooks.
12434         * tree.h: Remove lang_init_options and lang_decode_option.
12435         * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
12436         * cp/decl2.c: Similarly.
12437         * cp/lex.c (lang_init_options): Rename cxx_init_options.
12438         (lang_hooks): Update.
12439         * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
12440         for consistency.
12441         (lang_init_options): Rename ffe_init_options.
12442         (lang_hooks): Update.
12443         (lang_decode_option): Remove.
12444         * java/lang.c (lang_init_options): Rename java_init_options.
12445         (lang_decode_option): Rename java_decode_option.
12446         (lang_hooks): Update.
12447         * objc/objc-act.c (lang_init_options): Rename objc_init_options.
12448         (lang_decode_option): Rename objc_decode_option.
12449         (lang_hooks): Update.
12450
12451 2001-01-09  Nick Clifton  <nickc@redhat.com>
12452
12453         * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
12454         (d30v_return_addr_rtx): Delete.
12455         (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
12456         cfun->machine structure.
12457         (struct machine_function): Move to d30v.h
12458         (d30v_save_machine_status): Delete.
12459         (d30v_restore_machine_status): Delete.
12460         (d30v_init_machine_status): New Function.
12461         (d30v_mark_machine_status): New Function.
12462         (d30v_free_machine_status): New Function.
12463         (d30v_init_expanders): Use new functions.
12464         (d30v_return_addr): Use ra_rtx field in cfun->machine.
12465         (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
12466         d30v_return_addr_rtx.
12467
12468         * config/d30v/d30v.h (struct_machine): Move here.
12469         Add eh_epilogue_sp_ofs field.
12470
12471         *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
12472         field in cfun->machine structure.
12473
12474 Tue Jan  9 21:34:57 2001  John David Anglin  <dave@hiauly1.hia.nrc.ca>
12475
12476         * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
12477         PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
12478         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
12479
12480 Tue Jan  9 21:25:19 2001  Jeffrey A Law  (law@cygnus.com)
12481
12482         * objc/lang-options.h: Remove bogus reference to
12483         Java trademark.
12484
12485 2001-01-09  Kazu Hirata  <kazu@hxi.com>
12486
12487         * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
12488         return the result.
12489
12490 2001-01-09  Alan Lehotsky  <lehotsky@tiac.net>
12491
12492         * reload.c (find_reloads_address): Check for eliminable registers
12493         when substituting a constant expression for a pseudo.
12494
12495 2001-01-09  Joseph S. Myers  <jsm28@cam.ac.uk>
12496
12497         * c-common.c (enum format_type): Add format_type_error.
12498         (decode_format_type): New function.
12499         (decl_attributes): Use it.
12500         (format_kind_info): Adjust comment.
12501
12502 2001-01-09  David O'Brien  <obrien@BSDi.com>
12503
12504         * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
12505         i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
12506         files in tm_file.
12507         * config/i386/gnu.h: Don't include required platform specific .h files,
12508         tm.h will do it instead.
12509         * config/i386/i386elf.h: Likewise.
12510         * config/i386/linux.h: Likewise.
12511         * config/i386/moss.h: Likewise.
12512         * config/mips/gnu.h: Likewise.
12513
12514 2001-01-09  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
12515
12516         * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
12517         (rs6000-ibm-aix3.[01]*): Likewise.
12518         (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
12519         (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
12520         (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
12521         (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
12522         (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
12523         (powerpc-*-eabiaix*): Likewise.
12524         (powerpc-*-eabisim*): Likewise.
12525         (powerpc-*-elf*): Likewise.
12526         (powerpc-*-eabi*): Likewise.
12527         (powerpc-*-rtems*): Likewise.
12528         (powerpc-*-linux*libc1): Likewise.
12529         (powerpc-*-linux*): Likewise.
12530         (powerpc-wrs-vxworks*): Likewise.
12531         (powerpcle-wrs-vxworks*): Likewise.
12532         (powerpcle-*-sysv*): Likewise.
12533         (powerpcle-*-elf*): Likewise.
12534         (powerpcle-*-eabisim*): Likewise.
12535         (powerpcle-*-eabi*): Likewise.
12536         (powerpcle-*-solaris2*): Likewise.
12537         * config/rs6000/aix31.h: Delete includes.
12538         * config/rs6000/aix3newas.h: Likewise.
12539         * config/rs6000/aix41.h: Likewise.
12540         * config/rs6000/aix43.h: Likewise.
12541         * config/rs6000/beos.h: Likewise.
12542         * config/rs6000/rtems.h: Likewise.
12543         * config/rs6000/sysv4.h: Likewise.
12544
12545 2001-01-09  Kazu Hirata  <kazu@hxi.com>
12546
12547         * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
12548         Change an argument mode of machine_mode to shift_mode of
12549         shift_mode.  Remove an extra error check.
12550         (emit_a_shift): Adopt to the new calling prototype of
12551         get_shift_alg.
12552         (function_prologue): Fix code for a monitor
12553         function.  Support H8/S.
12554         (function_epilogue): Do not output pop for a monitor function.
12555
12556 2001-01-09  Nick Clifton  <nickc@redhat.com>
12557
12558         * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
12559         (setup_incoming_varargs): Use sysv_varargs_p field of the
12560         cfun->machine structure.
12561         (struct machine_function): Move to rs6000.h
12562         (rs6000_save_machine_status): Delete.
12563         (rs6000_restore_machine_status): Delete.
12564         (rs6000_init_machine_status): New Function.
12565         (rs6000_free_machine_status): New Function.
12566         (rs6000_init_expanders): Use new functions.
12567
12568         * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
12569         export.
12570         (struct machine_function): Move here.
12571
12572         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
12573         sysv_varargs_p field of the cfun->machine structure.
12574
12575         * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
12576         Remove prototype.
12577         (rs6000_restore_machine_status): Remove prototype.
12578
12579 2001-01-09  Richard Henderson  <rth@redhat.com>
12580
12581         * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
12582         reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
12583         * sched-deps.c (sched_analyze_1): Update uses of struct deps.
12584         (sched_analyze_2, sched_analyze_insn): Likewise.
12585         (sched_analyze, init_deps): Likewise.
12586         (free_deps): Likewise.  Iterate with EXECUTE_IF_SET_IN_REG_SET.
12587         * sched-rgn.c (propagate_deps): Likewise.  Remove max_reg argument.
12588         (compute_block_backward_dependences): Update propagate_deps call.
12589
12590 2001-01-09  Mark Elbrecht  <snowball3@bigfoot.com>
12591
12592         * gcc.c (process_command): Set switches[n_switches].ordering to 0.
12593
12594 2001-01-09  Neil Booth  <neil@daikokuya.demon.co.uk>
12595
12596         * cppinit.c (OPT_MD, OPT_MMD): Restore.
12597         (cpp_handle_option): Handle them.
12598         (cpp_post_options): Ensure one of -M or -MM is specified with
12599         any other -M? option.
12600         (init_dependency_output): Suppress output with -MG.
12601
12602 2001-01-09  Neil Booth  <neil@daikokuya.demon.co.uk>
12603
12604         * cpp.texi: Update.
12605         * invoke.texi: Update.
12606
12607 2001-01-09  Bernd Schmidt  <bernds@redhat.com>
12608
12609         * sh.md (reload_outsf): Generate recognizable patterns for
12610         TARGET_SH3E.
12611
12612 2001-01-09  Neil Booth  <neil@daikokuya.demon.co.uk>
12613
12614         * c-lang.c (lang_hooks): Update.
12615         (lang_init): Rename c_init.
12616         (lang_finish): Remove.
12617         * toplev.c (compile_file): Use lang_hooks for lang_init ()
12618         and lang_finish ().
12619         * toplev.h (lang_hooks): Add init () and finish ().
12620         * tree.h (lang_init, lang_finish): Remove.
12621         * cp/tree.h (lang_init, lang_finish): Remove.
12622         * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
12623         * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
12624         lang_hooks): New.
12625         (lang_init, lang_finish): Remove.
12626         * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
12627         (lang_hooks): Update.
12628         * java/lang.c (lang_init): Rename java_init.
12629         (lang_finish): Remove.
12630         (lang_hooks): Update.
12631         * objc/objc-act.c (lang_init): Rename objc_init.
12632         (lang_finish): Remove.
12633         (lang_hoooks): Update.
12634
12635 20001-01-09  Graham Stott  <grahams@redhat.com>
12636
12637         * cppfiles.c (_cpp_execute_include): Move `len` initialisation
12638         after `ptr` is initialised.
12639
12640 2001-01-09  Alexandre Oliva  <aoliva@redhat.com>
12641
12642         * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
12643         (INITIALIZE_TRAMPOLINE): Adjust accordingly.
12644         * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
12645         stack adjusts, instead of r3.
12646
12647 2001-01-09  Michael Hayes  <mhayes@redhat.com>
12648
12649         * flow.c (flow_loop_scan): Break out of ...
12650         (flow_loops_find) ... here.
12651         * basic-block.h (flow_loop_scan): New.
12652         (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
12653         (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
12654
12655 2001-01-09  Alexandre Oliva  <aoliva@redhat.com>
12656
12657         * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
12658         macro_buffer_len.
12659         * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
12660         realloc()ing macro_buffer.
12661
12662         * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
12663         if it's wider than long and the target's long is wider than the
12664         host's.
12665
12666 2001-01-09  Mark Mitchell  <mark@codesourcery.com>
12667
12668         Remove support for using UWIN as a host machine.
12669         * configure.in: Issue an error message.
12670         * configure: Regenerated.
12671         * config.gcc: Remove xm_* UWIN configury.
12672         * config/i386/xm-uwin.h: Remove.
12673
12674 2001-01-08  Nick Clifton  <nickc@redhat.com>
12675
12676         * config/v850/v850.c (ra_rtx): Delete.
12677         (v850_save_machine_status): Delete.
12678         (v850_restore_machine_status): Delete.
12679         (v850_init_machine_status): New function.
12680         (v850_mark_machine_status): New function.
12681         (v850_free_machine_status): New function.
12682         (v850_return_addr): Use ra_rtx field in machine structure.
12683         (v850_init_expanders): Use new functions.
12684
12685         * config/v850/v850-protos.h: Fix prototypes for v850_output_*
12686         * config/v850/v850.c: Change arguments to v850_output+* functions
12687         to take a const char *, to avoid compile time warning.
12688         * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
12689         (USER_LABEL_PREFIX): Redefine.
12690
12691 2000-01-08  Jim Wilson  <wilson@redhat.com>
12692
12693         * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
12694         1 to unsigned HOST_WIDE_INT before left shift.
12695
12696 2001-01-08  Nick Clifton  <nickc@redhat.com>
12697
12698         * config/arm/arm.c (arm_mark_machine_status): Check to see if
12699         the machine structure has been allocated.
12700         (arm_free_machine_status): New function: Free the machine
12701         specific function structure.
12702
12703 2001-01-08  Richard Henderson  <rth@redhat.com>
12704
12705         * jump.c (simplejump_p): Revert last change.
12706
12707 2001-01-08  Neil Booth  <neil@daikokuya.demon.co.uk>
12708
12709         * cppinit.c (init): Rename init_library.
12710         (cpp_create_reader): Update.
12711         * gcc.c (cpp_options): If -o given, use it as the target of
12712         any -M options.
12713
12714 2001-01-08  Richard Earnshaw  <rearnsha@arm.com>
12715
12716         * arm.c (arm_arch5e): New variable.
12717         (all_cores): XScale is a 5TE device.
12718         (arm_override_options): Set arm_arch5e.
12719         (arm_init_builtins): __builtin_prefetch is in arch5e.
12720         * arm.h (arm_arch5e): Declare it.
12721
12722         * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
12723
12724         * arm.md (define_constants): Add defines for UNSPEC and
12725         UNSPEC_VOLATILE insns.  Update all users.
12726         (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
12727         * arm.c (multi_register_push, note_invalid_constants)
12728         (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
12729         * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
12730         (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
12731
12732 Mon Jan  8 16:14:56 MET 2001  Jan Hubicka  <jh@suse.cz>
12733
12734         * jump.c (jump_optimize_1): Use reversed_comparison_code
12735         instead of can_reverse_comparison_p.
12736         (jump_back_p): Likewise.
12737         (invert_exp_1): Likewise.
12738         (thread_jumps): Likewise.
12739         * simplify-rtx.c (simplify_unary_operation): Likewise.
12740         (simplify_ternary_operation): Likewise.
12741         * cse.c (find_comparison_args): Convert to use
12742         can_reverse_comparison_p.
12743         (record_jump_equiv): Likewise.
12744
12745 2001-01-08  Richard Earnshaw  <rearnsha@arm.com>
12746
12747         * arm.h (HARD_REGNO_RENAME_OK): Delete.
12748         (EPILOGUE_USES): Define.
12749         (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
12750         automatically stack the LR if it isn't live.
12751
12752 Mon Jan  8 13:46:02 MET 2001  Jan Hubicka  <jh@suse.cz>
12753
12754         * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
12755         properly.
12756
12757 Sun Jan  7 18:37:43 2001  Mark P Mitchell  <mark@codesourcery.com>
12758
12759         * ggc-page.c (max_alignment): New structure.
12760         (MAX_ALIGNMENT): New macro.
12761         (init_ggc): Use it to round up the sizes in the
12762         extra_order_size_table.
12763
12764 2001-01-07  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
12765
12766         * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
12767         after reload.
12768
12769 2001-01-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12770
12771         * builtins.def (BUILT_IN_FPRINTF): New entry.
12772
12773         * c-common.c (c_expand_builtin_fprintf): New function.
12774         (init_function_format_info): Handle __builtin_fprintf.
12775         (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
12776         (c_expand_builtin): Handle BUILT_IN_FPRINTF.
12777
12778         * c-decl.c (duplicate_decls): Adjust comment.
12779
12780         * extend.texi (fprintf): Document new builtin.
12781
12782 2001-01-07  Richard Henderson  <rth@redhat.com>
12783
12784         * jump.c (simplejump_p): Recognize any single_set jump
12785         of the proper form.
12786
12787 2001-01-07  Richard Henderson  <rth@redhat.com>
12788
12789         * configure.in (slibdir): Accept an --with-slibdir option.
12790         Use "test" not "[" in configure.  Default to $(libdir).
12791
12792         * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
12793         fix typo in rm -f.
12794         * config/t-aix43 (SHLIB_INSTALL): Likewise.
12795         * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
12796         (SHLIB_LINK): Create links for the soname.
12797         * config/mips/t-iris6: Likewise.
12798         * config/sparc/t-slibgcc: Likewise.
12799         * config/sparc/t-slibgcc-sld: Likewise.
12800
12801 2001-01-07  Jakub Jelinek  <jakub@redhat.com>
12802
12803         * config/i386/i386.c (constant_call_address_operand): Accept
12804         (const (plus (symbol_ref) (const_int))).
12805         * config/i386/i386.h (PREDICATE_CODES): Add CONST for
12806         constant_call_address_operand.
12807
12808 2001-01-08  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
12809
12810         * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
12811         and LONG_LONG_TYPE_SIZE > 32.
12812
12813 2001-01-07  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
12814
12815         * jump.c (reversed_comparison_code_parts): Fix typo introduced by
12816         the previous change.
12817
12818 Sun Jan  7 19:37:48 MET 2001  Jan Hubicka  <jh@suse.cz>
12819
12820         * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
12821         New.
12822         (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
12823         (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
12824         * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
12825         Declare.
12826
12827 2001-01-07  Neil Booth  <neil@daikokuya.demon.co.uk>
12828
12829         * fix-header.c (read_scan_file): s/pfile/scan_in/.
12830
12831 2001-01-07  Neil Booth  <neil@daikokuya.demon.co.uk>
12832
12833         * c-lang.c (c_post_options): Call cpp_post_options.
12834         * objc/objc-act.c (objc_post_options): Similarly.
12835         * cppmain.c (main): Similarly.
12836         * fix-header.c (read_scan_file): Similarly.
12837         * cppinit.c (cpp_start_read): Move option consistency checks
12838         to cpp_post_options.  Don't call init_dependency_output.
12839         If needed, add default target and main file dependency.
12840         (OPT_MD, OPT_MMD): Remove.
12841         (OPT_MF): New.
12842         (cpp_handle_option): Update for OPT_* changes.
12843         (cpp_post_options): New.
12844         (init_dependency_output): Command line -MF overrides environment
12845         variables.  Don't set default target etc.  Suppress output
12846         if dependencies are going to stdout.
12847         (print_help): Update.
12848         * cpplib.h (cpp_post_options): New.
12849         * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
12850
12851 Sun Jan  7 14:44:19 MET 2001  Jan Hubicka  <jh@suse.cz>
12852
12853         * jump.c (comparison_dominates_p): Support unordered compares.
12854
12855 Sun Jan  7 14:39:07 MET 2001  Jan Hubicka  <jh@suse.cz>
12856
12857         * simplify-rtx.c (simplify_relational_operation): Always simplify
12858         ORDERED and UNORDERED when FLAG_FAST_MATH.  Handle properly UNLE
12859         and UNGE.
12860
12861 Sun Jan  7 14:35:13 MET 2001  Jan Hubicka  <jh@suse.cz>
12862
12863         * combine.c (combine_simplify_rtx): Recognize the unordered compares.
12864         (nonzero_bits): Likewise.
12865         (simplify_comparison): Likewise.
12866         (num_sign_bit_copies): Likewise; return more sane value depending
12867         on STORE_FLAG_VALUE.
12868         (known_cond): Do not assume EQ to be always true for equivalent
12869         operands.
12870
12871 Sun Jan  7 14:31:57 MET 2001  Jan Hubicka  <jh@suse.cz>
12872
12873         * cse.c (fold_rtx): Handle unordered comparisons.
12874
12875 Sun Jan  7 13:49:19 MET 2001  Jan Hubicka  <jh@suse.cz>
12876
12877         * rtlanal.c (set_of_1): New static function.
12878         (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
12879          reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
12880          reg_set_last_last_regno): Remove.
12881         (set_of): New global function.
12882         (set_of_data): New structure.
12883         (reg_set_p, reg_set_last): Revamp for set_of.
12884         * rtl.h (set_of): New.
12885
12886 2001-01-07  Joseph S. Myers  <jsm28@cam.ac.uk>
12887
12888         * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
12889         * extend.texi: Document _Exit builtin.
12890
12891 2001-01-07  Neil Booth  <neil@daikokuya.demon.co.uk>
12892
12893         * (initialize, initialize_builtins,
12894         initialize_dependency_output, initialize_standard_includes):
12895         Rename s/initialize/init. Update.
12896         (init_dependency_output): Move to after
12897         cpp_handle_options, the correct location temporally at least.
12898         (opt_comp): Move next to init (), its caller.  Fix prototype.
12899         (init): Make "initialized" local scope.
12900         (cpp_create_reader): Always call init ().
12901         (cpp_start_read): Update.
12902         (output_deps): New function, broken out of cpp_finish.
12903         (cpp_finish): Break out output_deps.
12904
12905 2001-01-07  Richard Henderson  <rth@redhat.com>
12906
12907         * collect2.c (COFF specific stuff): Revert 12-06 patch
12908         to prototype system functions.
12909
12910 2001-01-07  Michael Hayes  <mhayes@redhat.com>
12911
12912         * hard-reg-set.h: Add multiple include guard.
12913         * basic-block.h (struct loop): Add `sink' field.
12914         * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
12915         (emit_iv_add_mult): Delete.
12916         (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
12917         (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
12918         (unroll_loop): Remove end_insert_before argument.
12919         * loop.c (loop_givs_rescan): Remove end_insert_before argument.
12920         (maybe_eliminate_biv_1): Likewise.
12921         (emit_iv_add_mult): Delete.
12922         (gen_add_mult, loop_regs_update): New.
12923         (loop_insn_emit_after, loop_insn_emit_before): New.
12924         (loop_insn_sink, loop_insn_sink_or_swim): New.
12925         (emit_iv_add_mult): Delete.
12926         (scan_loop): Set loop->sink.
12927         (loop_givs_reduce): Use loop_insn_sink and its ilk.
12928         (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
12929         (maybe_eliminate_biv_1): Likewise.
12930         (maybe_eliminate_biv_1): Add basic block argument.
12931         * unroll.c (unroll_loop): Remove end_insert_before argument.
12932         (find_splittable_regs): Likewise.
12933         (find_splittable_regs): Use loop_insn_sink and its ilk.
12934         (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
12935
12936 2001-01-07  Michael Hayes  <mhayes@redhat.com>
12937
12938         * loop.h (loop_insn_hoist): New prototype.
12939         * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
12940         (move_movables, loop_givs_rescan): Use loop_insn_hoist.
12941         (check_dbra_loop, load_mems): Likewise.
12942         * unroll.c (unroll_loop, find_splittable_regs): Likewise.
12943         (find_splittable_givs): Likewise.
12944
12945 2001-01-07  Michael Hayes  <mhayes@redhat.com>
12946
12947         * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
12948
12949 2001-01-07  Richard Henderson  <rth@redhat.com>
12950
12951         * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
12952
12953 2001-01-07  Richard Henderson  <rth@redhat.com>
12954
12955         * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
12956         NO_SHARED_LIBGCC_MULTILIB as required for the target.
12957         * gcc.c (init_spec): Massage the existing libgcc_spec into a
12958         variant that handles a shared libgcc.
12959         (process_command): Always validate -{static,shared}-libgcc.
12960         (do_spec_1): New 'M' case.
12961         * invoke.text (Link Options): Document -{static,shared}-libgcc.
12962
12963 2001-01-07  Richard Henderson  <rth@redhat.com>
12964
12965         * Makefile.in (slibdir): New variable.
12966         (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
12967         (installdirs): Create slibdir.
12968         (install-libgcc, install-multilib): Defer to libgcc.mk.
12969         * configure.in (slibdir): Substitute.
12970         * mklibgcc.in (install): New target.
12971
12972         * config/t-linux (SHLIB_LINK): Create links for the soname.
12973         (SHLIB_INSTALL): New.
12974         * config/alpha/t-osf4 (SHLIB_INSTALL): New.
12975         * config/mips/t-iris6 (SHLIB_INSTALL): New.
12976         * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
12977         * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
12978         * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
12979
12980 2001-01-07  Richard Henderson  <rth@redhat.com>
12981
12982         * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
12983         * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
12984         * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
12985
12986 2001-01-07  Michael Hayes  <mhayes@redhat.com>
12987
12988         * loop.c (count_loop_regs_set): Delete.
12989         (load_mems_and_recount_loop_regs_set): Delete.
12990         (loop_regs_scan): Merge common code from count_loop_regs_set,
12991         scan_loop, and load_mems_and_recount_loop_regs_set.
12992         (scan_loop): Call load_mems directly and loop_regs_scan
12993         again if new registers created.
12994
12995 2001-01-07  Neil Booth  <neil@daikokuya.demon.co.uk>
12996
12997         * toplev.c (main): Call the front-end specific post_options
12998         hook if one is given.
12999         * toplev.h (struct_lang_hooks, lang_hooks): New.
13000         * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
13001         for the C front end.
13002         * cp/decl2.c (cxx_post_options, lang_hooks): Implement
13003         lang_hooks for the C++ front end.
13004         * objc/objc-act.c (objc_post_options, lang_hooks): Implement
13005         lang_hooks for the ObjC front end.
13006         * f/com.c (lang_hooks): Hooks for the Fortran front end.
13007         * java/lang.c (lang_hooks): Hooks for the Java front end.
13008
13009 2001-01-07  Neil Booth  <neil@daikokuya.demon.co.uk>
13010
13011         * c-lex.c (init_c_lex): Request #define / #undef callbacks
13012         for verbose DWARF[2] debugging.
13013         (cb_define, cb_undef): The new callbacks.
13014         * toplev.h (debug_define, debug_undef): Make const correct.
13015         * toplev.c (debug_define, debug_undef): Similarly.  Do not
13016         perform the verbosity tests here anymore.
13017
13018 2001-01-07  Alexandre Oliva  <aoliva@redhat.com>
13019
13020         * reload.c (subst_reloads): Take INSN argument.  When
13021         replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
13022         * reload.h (subst_reloads): Adjust prototype.
13023         * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
13024         * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
13025         present in JUMP_INSNs and copy them to JUMP_LABEL.
13026         * flow.c (find_label_refs, find_basic_blocks_1): Skip
13027         JUMP_INSNs and insns with REG_LABELs that are followed by
13028         JUMP_INSNs with the same REG_LABEL.
13029         * sched-rgn.c (is_cfg_nonregular): Likewise.
13030         * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
13031         note is available.
13032         * unroll.c (unroll_loop): Look for REG_LABEL notes in
13033         JUMP_INSNs too.
13034         * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
13035
13036 2001-01-06  Richard Henderson  <rth@redhat.com>
13037
13038         * loop.c (scan_loop): Use xcalloc for the regs array.
13039         (load_mems_and_recount_loop_regs_set): Zero the new memory
13040         received from xrealloc.
13041
13042 2001-01-06  Neil Booth  <neil@daikokuya.demon.co.uk>
13043
13044         * mkdeps.c (deps_add_dep): Fix vector re-allocation.
13045
13046 Sat Jan  6 00:09:34 2001  J"orn Rennecke <amylaar@redhat.com>
13047
13048         * integrate.c (copy_rtx_and_substitute): When copying
13049         an ignored return value, strip REG_FUNCTION_VALUE_P.
13050
13051 2001-01-06  Michael Hayes  <mhayes@redhat.com>
13052
13053         * loop.c (debug_biv, debug_giv): New.
13054         (loop_biv_dump): Break out from ...
13055         (record_biv): ... here.
13056         (loop_giv_dump): Break out from ...
13057         (record_giv): ... here.
13058         (loop_bivs_check): Use print_simple_rtl.
13059         * unroll.c (loop_iterations): Use print_simple_rtl.
13060
13061 2000-01-05  John David Anglin  <dave@hiauly1.hia.nrc.ca>
13062
13063         * pa.md (return, return_internal): Modify patterns to prevent regrename
13064         mucking with the return pointer.
13065
13066 2001-01-05  Richard Henderson  <rth@redhat.com>
13067
13068         * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
13069
13070 Fri Jan  5 16:34:18 2001  Nick Clifton  <nickc@redhat.com>
13071
13072         * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
13073         version supplied by Matteo Frigo.
13074
13075 2001-01-05  Neil Booth  <neil@daikokuya.demon.co.uk>
13076
13077         * cpp.texi: Update for -MQ.
13078         * cppinit.c (cpp_create_reader): Always create pfile->deps.
13079         (cpp_cleanup): Always free pfile->deps.
13080         (initialize_dependency_output): Don't create pfile->deps.
13081         (cpp_handle_option): Similarly.
13082         (OPT_MQ): New.
13083         * gcc.c (cpp_options): Handle -MQ.
13084         (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
13085         * mkdeps.c (base_name): Remove.
13086         (deps_init): Don't allocate vector space until it's needed.
13087         (deps_free): Only free vectors if allocated.
13088         (deps_add_target, deps_add_dep): Update for initial allocation.
13089         (deps_add_default_target): Don't strip to the base_name.
13090
13091 2001-01-05  DJ Delorie <dj@redhat.com>
13092
13093         * config/v850/v850.h (RETURN_ADDR_RTX): Define.
13094         (INIT_EXPANDERS): Define.
13095
13096         * config/v850/v850.c (struct machine_function): Define.
13097         (v850_save_machine_status): New function.
13098         (v850_restore_machine_status): New function.
13099         (v850_return_addr): New function.
13100         (v850_init_expanders): New function.
13101
13102         * config/v850/v850-protos.h: Add prototypes for v850_return_addr
13103         and v850_init_expanders.
13104
13105 2001-01-05  Zack Weinberg  <zack@wolery.stanford.edu>
13106
13107         * cpplib.h (struct cpp_reader): Add help_only field.
13108         * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
13109         (cpp_handle_option): Set pfile->help_only if we see -h,
13110         --help, -target-help, or --version.  Print version string but
13111         do not set help_only if we see -v or -version.  Make text
13112         printed by -v match that printed by (-)-version.
13113
13114         * cppmain.c (main): Exit after option parsing if
13115         pfile->help_only is true.
13116
13117         * toplev.c (independent_decode_option): Call print_version,
13118         then exit, if we see --version (but not -version).
13119         (print_version): Split lengthy message into two lines.
13120
13121 2001-01-05  Nick Clifton  <nickc@redhat.com>
13122
13123         * config/v850/v850.c (v850_encode_data_area): Use alloca to create
13124         temporary string for initialisation before calling ggc_alloc_string.
13125
13126 2001-01-06  Michael Hayes  <mhayes@redhat.com>
13127
13128         * rtl.h (print_simple_rtl): New.
13129         * print-rtl.c (print_simple_rtl): New.
13130         (flag_simple): New.
13131         (print_rtx): Disable printing of flags and modes, etc.,
13132         if `flag_simple` nonzero.
13133
13134 2001-01-05  Zack Weinberg  <zack@wolery.stanford.edu>
13135
13136         * function.c (fixup_var_refs): Use push_to_full_sequence where
13137         possible.
13138
13139 2001-01-05  Michael Meissner  <meissner@redhat.com>
13140
13141         * flags.h (flag_reorder_blocks): Add declaration.
13142         (flag_rename_block): Ditto.
13143
13144 2001-01-05  DJ Delorie  <dj@redhat.com>
13145
13146         * function.c (reorder_blocks): Make sure the flags are all reset
13147         before using them to mark blocks, else a second invocation will
13148         corrupt the block chain.
13149         (reorder_blocks_0): New, resets the flags.
13150
13151 Fri Jan  5 20:34:06 2001  J"orn Rennecke <amylaar@redhat.com>
13152
13153         * cse.c (find_comparison_args): Stop if the argument is known to
13154         be constant.
13155
13156 2001-01-05  Alexandre Oliva  <aoliva@redhat.com>
13157
13158         * config/sh/sh.md (movdf): When splitting load into pair of
13159         registers, don't clobber the register used in the address too
13160         early.
13161
13162 2001-01-05  Jeffrey Oldham  <oldham@codesourcery.com>
13163
13164         * varasm.c (mark_constant_pool): Improve initial comments.
13165         (mark_constants): Move marking of constants to mark_constant.
13166         (mark_constant): New function to recursively mark all constants
13167         referred to by a constant.
13168
13169 2001-01-05  Catherine Moore  <clm@redhat.com>
13170
13171         * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
13172
13173 2001-01-05  Phil Edwards  <pme@sources.redhat.com>
13174
13175         * cp/lang-options.h:  Bring comment in line with reality.
13176         * f/lang-options.h:  Likewise.
13177         * java/lang-options.h:  Likewise.
13178         * objc/lang-options.h:  Likewise.
13179         * ch/lang-options.h:  Likewise.
13180         * f/g77.texi:  And update the manual.
13181
13182 2001-01-05  Marek Michalkiewicz  <marekm@linux.org.pl>
13183             Denis Chertykov  <denisc@overta.ru>
13184
13185         * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
13186         * config/avr/avr.c (avr_peep2_scratch_safe): New function.
13187         * config/avr/avr.md (all peepholes that request a scratch register):
13188         Call it, FAIL the peephole if not safe (in interrupt functions).
13189
13190 2001-01-05  Mark Mitchell  <mark@codesourcery.com>
13191
13192         * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
13193
13194 2001-01-05  Joseph S. Myers  <jsm28@cam.ac.uk>
13195
13196         * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
13197         Define.
13198         * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
13199         BUILT_IN_CREAL and BUILT_IN_CIMAG.
13200         * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
13201         conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
13202         (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
13203         BUILT_IN_CIMAG.
13204         * extend.texi: Document these builtins.
13205
13206 2001-01-05  Daniel Berlin  <dberlin@redhat.com>
13207
13208         * c-common.c (lang_get_alias_set): Say we know nothing of
13209         VECTOR_TYPE aliasing.
13210
13211         * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
13212
13213 2001-01-05  Bruce Korb  <bkorb@gnu.org>
13214
13215         * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
13216         their x* equivalent versions for atexit-less systems
13217         * fixinc/fixincl.c(main): do not return from main() on atexit-less
13218         systems (or any other system any more).
13219
13220 2001-01-05  Richard Earnshaw  <rearnsha@arm.com>
13221
13222         * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
13223         output operands.  Use arm_hard_register_operand for operand 4.
13224         (stmsi_postinc): Similarly.
13225         (ldmsi): Use arm_hard_register_operand for opernand 2.
13226         (stmsi): Similarly.
13227         * arm.c (arm_hard_register_operand): New function.
13228         * arm-protos.h (arm_hard_register_operand): Prototype it.
13229
13230         * arm.h (HARD_REGNO_RENAME_OK): Define.
13231
13232 Fri Jan  5 16:29:49 MET 2001  Jan Hubicka  <jh@suse.cz>
13233
13234         * simplify-rtx.c (cfc_args): add "unordered" field.
13235         (check_fold_consts): Set unordered field.
13236         (simplify_relational_operation): Simplify the unordered
13237         comparisons.
13238
13239         * reg-stack.c (swap_rtx_condition): Ensure that the transformation
13240         is valid.
13241
13242         * emit-rtl.c (try_split): Fix code to mark labels.
13243         * jump.c (mark_jump_label): Make global.
13244         * rtl.h (mark_jump_label): Declare.
13245
13246         * predict.c (estimate_probability): Handle unordred comparisons.
13247
13248 2001-01-05  Neil Booth  <neil@daikokuya.demon.co.uk>
13249
13250         * cpp.texi: Update for -MP.  Clarify behaviour of -MT.
13251         * cppinit.c (initialize_dependency_output):  Update.
13252         (cpp_finish): Output dummy targets for -MP.
13253         (OPT_MP): New.
13254         (cpp_handle_option): Handle -MP.  Don't quote -MT options.
13255         * cpplib.h (struct cpp_options): Add deps_phony_targets.
13256         * gcc.c (cpp_options): Update to handle -MP.
13257         * mkdeps.c (deps_add_target, deps_add_default_target): Update
13258         to quote only the default target.
13259         (deps_phony_targets): Insert a preceding newline.  Rename from
13260         deps_dummy_targets for consistency.
13261         * mkdeps.h: Update
13262
13263 2001-01-05  Alexandre Oliva  <aoliva@redhat.com>
13264
13265         * calls.c (emit_library_call_value_1): Support
13266         INIT_CUMULATIVE_LIBCALL_ARGS.
13267         * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
13268
13269 2001-01-04  Richard Henderson  <rth@redhat.com>
13270
13271         * c-decl.c (finish_struct): Detect flexible array members
13272         used in an inappropriate context.
13273         * c-typeck.c (really_start_incremental_init): Special case
13274         constructor_max_index for zero length arrays.
13275         (pop_init_level): Allow initialization of flexible array
13276         members.  Deprecate initialization of zero length arrays.
13277         Don't issue missing initializer warning for flexible array
13278         members or zero length arrays.
13279         (process_init_element): Don't dereference null DECL_SIZE.
13280         * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
13281         Don't abort for empty constructors.  Use size_binop
13282         (output_constructor): Add commentary regarding zero length
13283         array futures.  Abort if we try to initialize an array of
13284         unspecified length with a non-empty constructor in the middle
13285         of a structure.
13286
13287         * extend.texi (Zero Length): Update and clarify documentation
13288         on static initialization.
13289
13290 2001-01-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
13291
13292         * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
13293         with more than 32767 words of local storage.
13294
13295 2001-01-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
13296
13297         * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
13298         for 'abs', 'labs', and 'fabs'.
13299         (c4x_expand_builtin): Likewise.
13300         * config/c4x/c4x.h (enum c4x_builtins): Likewise.
13301
13302 2001-01-05  Alexandre Oliva  <aoliva@redhat.com>
13303
13304         * config/sh/sh.md (prget, prset): New insn types.
13305         (return delay slot): Dont' allow prset.
13306         (call, sfunc delay slot): Don't allow prget.
13307         (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
13308         for prset and prget.
13309
13310 2001-01-05  Michael Hayes  <mhayes@redhat.com>
13311
13312         * loop.h (struct loop_reg): New.
13313         (struct loop_regs): Change to use array of `struct loop_reg'.
13314         * loop.c: Replace assortment of varrays with single regs array.
13315         (count_one_set): Delete may_not_move array argument
13316         and use regs array instead.  All caller's changed.
13317         (count_loop_regs_set): Delete may_not_move and single_usage
13318         arguments and use regs array instead.  All caller's changed.
13319         (find_single_use_in_loop): Replace usage array argument with pointer
13320         to regs structure.  All caller's changed.
13321         (loop_optimize): Delete `moved_once' array.
13322
13323 2001-01-05  Michael Hayes  <mhayes@redhat.com>
13324
13325         * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
13326         Use it instead of loop_info->has_call for scanning loop mems.
13327         (check_dbra_loop): Replace loop_info->has_call test with
13328         loop_info->has_nonconst_call.
13329
13330 2000-01-04  Matthew Hiller  <hiller@redhat.com>
13331
13332         * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
13333         for TARGET_SH3E.
13334
13335 2001-01-04  Joseph S. Myers  <jsm28@cam.ac.uk>
13336
13337         * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
13338         use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
13339
13340 2001-01-04  Joseph S. Myers  <jsm28@cam.ac.uk>
13341
13342         * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
13343         (flag_short_double, flag_short_wchar): Define.
13344         (c_common_nodes_and_builtins): Create many tree nodes shared
13345         between C and C++ here instead of in cp/decl.c and ...
13346         * c-decl.c (init_decl_processing): ... here.
13347         (SIZE_TYPE, WCHAR_TYPE): Don't define.
13348         (flag_short_double, flag_short_wchar): Don't define.
13349         (record_builtin_type): New function.
13350         (build_void_list_node): New function.
13351         * c-common.h (flag_short_double, flag_short_wchar,
13352         record_builtin_type, build_void_list_node): Declare.
13353
13354 Thu Jan  4 21:09:47 2001  J"orn Rennecke <amylaar@redhat.com>
13355
13356         * integrate.c (expand_inline_function): Don't put a virtual
13357         register into the reg map.
13358
13359         * function.c (fixup_var_refs_1): If force_operand didn't put
13360         the address into the target, move it there.
13361
13362 2001-01-04  Mark Mitchell  <mark@codesourcery.com>
13363
13364         Special-case tree_decl/tree_list allocations.
13365         * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
13366         (OBJECT_SIZE): New macro.
13367         (NUM_EXTRA_ORDER): Likewise.
13368         (extra_order_size_table): New variable.
13369         (NUM_ORDERS): New macro.
13370         (objects_per_page_table): New variable.
13371         (object_size_table): New variable.
13372         (G.pages): Use NUM_ORDERS to bound the array.
13373         (G.page_tails): Likewise.
13374         (DIV_ROUND_UP): Remove.
13375         (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
13376         (alloc_page): Use OBJECT_SIZE.
13377         (size_lookup): Don't make it const.
13378         (ggc_alloc): Use OBJECT_SIZE.
13379         (ggc_set_mark): Likewise.
13380         (ggc_get_size): Likewise.
13381         (init_ggc): Set up the object_size_table, objects_per_page_table,
13382         and adjust size_lookup.
13383         (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
13384         (ggc_pop_context): Use NUM_ORDERS.
13385         (clear_marks): Likewise.
13386         (sweep_pages): Likewise.
13387         (poison_pages): Likewise.
13388         (ggc_print_statistics): Use OBJECT_SIZE.
13389
13390 Thu Jan  4 15:54:05 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13391
13392         * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
13393         Only call array_size_for_constructor if last field and array type
13394         with no upper bound.
13395
13396 2001-01-04  Philip Blundell  <philb@gnu.org>
13397
13398         * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
13399         from bit 31 downwards, if this requires no more insns.
13400         (count_insns_for_constant): New helper function for above.
13401
13402 2001-01-04  Alexandre Oliva  <aoliva@redhat.com>
13403
13404         * gencodes.c (output_predicate_decls): Remove empty initializer.
13405
13406 2001-01-04  Mark Mitchell  <mark@codesourcery.com>
13407
13408         * tree.c (copy_node): Remove documentation about obstacks.
13409         (buidl1): Check that nobody tries to build 2-argument nodes this
13410         way.
13411
13412 2001-01-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13413
13414         * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
13415         fp_high_losum_p.
13416
13417         * gencodes.c (output_predicate_decls): Fill empty initializer
13418         braces.
13419
13420 2001-01-04  Jakub Jelinek  <jakub@redhat.com>
13421
13422         * tradcpp.c (deps_file, print_deps_missing_files): New variables.
13423         (main): Handle -MG, -MD, -MMD.  Bail out if -MG is given without -M
13424         or -MM.
13425         (do_include): Handle missing headers like cpp0.
13426         * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
13427         paths with first include pathname.  Don't strcat to uninitialized
13428         string.
13429
13430 2001-01-04  Bernd Schmidt  <bernds@redhat.com>
13431
13432         * regrename.c (regrename_optimize): Don't rename from frame pointer
13433         if frame_pointer_needed.
13434         (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
13435         * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
13436         (ia64_reorg): Use it instead of scheduling if ! optimize.
13437         (errata_emit_nops): Properly call asm_noperands.
13438         (ia64_sched_reorder): Finish cycle if we see an asm.
13439         (ia64_variable_issue): Clear scheduling state after asms.
13440
13441 2001-01-04  Neil Booth  <neil@daikokuya.demon.co.uk>
13442
13443         * cpp.texi: Update for -MT.
13444         * cppinit.c (initialize_dependency_output): Add a default
13445         target if none has been given already.
13446         (no_tgt, OPT_MT): New.
13447         (cpp_handle_option): Handle -MT.  Update -M etc.
13448         * cpplib.h (struct cpp_options): Remove deps_target.
13449         * gcc.c (cpp_options): Handle -MT.
13450         * mkdeps.c (struct deps): Move from mkdeps.h.
13451         (deps_calc_target): Rename deps_add_default_target.  Add a
13452         default target if none has been specified already.
13453         * mkdeps.h (struct deps): Move to mkdeps.c.
13454         (deps_calc_target): Rename deps_add_default_target.
13455
13456 2000-01-03  Richard Henderson  <rth@redhat.com>
13457
13458         * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
13459         Remove dead code.
13460         * c-typeck.c (push_init_level): Move checks for flexible array
13461         members and zero length arrays ...
13462         (pop_init_level): ... here.  Silently discard empty initializations.
13463         Remove dead code.
13464         * varasm.c (output_constructor): Update for sizeof change to
13465         zero-length arrays.
13466
13467         * extend.texi (Zero Length): Clarify semantics.
13468
13469 2001-01-03  Alexandre Oliva  <aoliva@redhat.com>
13470
13471         * configure.in (tm.h): Include isns-codes.h last.
13472         * configure: Rebuilt.
13473
13474 2001-01-03  Richard Henderson  <rth@redhat.com>
13475
13476         * config/alpha/alpha.md (addvsi3, addvdi3): New.
13477         (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
13478
13479 2001-01-03  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
13480
13481         * tradcpp.c (main): Make sure finclude() is called with a valid
13482         indepth value while handling -include.
13483
13484 2001-01-03  Alexandre Oliva  <aoliva@redhat.com>
13485
13486         * gencodes.c (output_predicate_decls): New function.
13487         (main): Call it.
13488         * machmode.h (GET_MODE_MASK): Arrange for it to be defined
13489         even if it is not the first time machmode.h is #included.
13490         * config/sh/sh.c (fpul_operand): Declare MODE argument.
13491         * tm.texi (PREDICATE_CODES): Document predicate declarations.
13492         * gcc.texi (Copyright): Added 2001.
13493
13494 2001-01-03  Joseph S. Myers  <jsm28@cam.ac.uk>
13495
13496         * c-common.c (c_common_lang_init): New function.  Warn if format
13497         warning options which only have effects when used with -Wformat
13498         are used without -Wformat.
13499         * c-common.h (c_common_lang_init): Declare.
13500         * c-lang.c (lang_init): Call c_common_lang_init.
13501         * objc/objc-act.c (lang_init): Call c_common_lang_init.
13502
13503 2001-01-03  Joseph S. Myers  <jsm28@cam.ac.uk>
13504
13505         * configure.in: Check for the mktemp command.
13506         * configure: Regenerate.
13507         * gccbug.in: Use a separate temporary file $TEMP0 for one use of
13508         $TEMP.  Create temporary files with mktemp, if available at
13509         configure time; otherwise use set -C.  Remove temporary files
13510         before exit.
13511
13512 2001-01-03  Joseph S. Myers  <jsm28@cam.ac.uk>
13513
13514         * configure.in: Require at least texinfo 4.0.  Check for whether
13515         Pod::Man is sufficiently recent to regenerate GCC manpages.
13516         * configure:  Regenerate.
13517         * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
13518         on #!.
13519         (GENERATED_MANPAGES): Define.
13520         (generated-manpages): New target.  Depend on cpp.1 as well as
13521         gcov.1.
13522         (install-man): Depend on $(GENERATED_MANPAGES) (defined by
13523         configure to generated-manpages or empty) rather than on the
13524         manpages directly.  Remove execute permission from installed
13525         gcov.1 as well as cpp.1.
13526         * cpp.1, gcov.1: Regenerate.
13527
13528 2001-01-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13529
13530         * builtins.c (expand_builtin_strncmp): Use host_integerp and
13531         tree_low_cst.  Allow using cmpstrsi in more cases.
13532
13533 Wed Jan  3 10:48:43 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13534
13535         * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
13536         sized types.
13537
13538 Wed Jan  3 12:22:32 2001  Alexandre Oliva  <aoliva@redhat.com>
13539
13540         * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
13541         * Makefile.in (HOST_CFLAGS): Mention build-make.
13542
13543 Wed Jan  3 08:53:50 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13544
13545         * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
13546         as JUMP_INSN.
13547
13548 2001-01-01  Bernd Schmidt  <bernds@redhat.com>
13549
13550         * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
13551         a REG rtx.
13552
13553         * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg.  All
13554         callers changed.
13555
13556         * alias.c (throughout): Use ORIGINAL_REGNO when accessing
13557         reg_base_value and reg_known_value arrays.
13558         (init_alias_analysis): Add more cases to detect known values.
13559         * sched-deps.c (deps_may_trap_p): New function.
13560         (sched_analyze_2): Use it.
13561
13562 2001-01-03  Alexandre Oliva  <aoliva@redhat.com>
13563
13564         * combine.c (simplify_shift_const): Even if we're sign-extracting,
13565         don't discard an ASHIFTRT if we're shifting in a wider mode.
13566
13567 2000-01-02  John David Anglin  <dave@hiauly1.hia.nrc.ca>
13568
13569         * toplev.c (rest_of_compilation): Don't print basic block information
13570         when CFG isn't up to date.
13571
13572 2001-01-02  Mark Elbrecht  <snowball3@bigfoot.com>
13573
13574         * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
13575         (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
13576         (UNALIGNED_SHORT_ASM_OP): Define.
13577         (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
13578
13579 2001-01-02  Mark Mitchell  <mark@codesourcery.com>
13580
13581         * fold-const.c (fold_convert): Fix typo.
13582
13583 2001-01-02  Richard Henderson  <rth@redhat.com>
13584
13585         * c-common.h (ASM_INPUT_P): New.
13586         * c-parse.in (asm): Set it when needed.
13587         * c-semantics.c (genrtl_asm_stmt): Test it instead of the
13588         existance of an operand.
13589
13590 Tue Jan  2 20:27:07 MET 2001  Jan Hubicka  <jh@suse.cz>
13591
13592         * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
13593         (dwarf2out_frame_debug_expr): Likewise.
13594         (mem_loc_descriptor): Handle PRE and POST_MODIFY.
13595
13596 Tue Jan  2 20:21:31 MET 2001  Jan Hubicka  <jh@suse.cz>
13597
13598         * i386.c (ix86_split_to_parts): Return number of part required;
13599         handle TFmodes.
13600         (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
13601         TFmodes.
13602         (ix86_split_long_move): Use number of part returned
13603         by ix86_split_to_parts
13604         * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
13605         New macros.
13606         (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
13607         (LONG_DOUBLE_TYPE_SIZE): Change from constant.
13608         (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
13609         (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
13610         (ALIGN_MODE_128): Add TFmode.
13611         (IS_STACK_MODE): Likewise.
13612         (HARD_REGNO_NREGS): TFmode needs 3 registers.
13613         (HARD_REGNO_OK): Support TFmodes.
13614         (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
13615         * i386.md (scheduler definitions): Use memory operand to determine
13616         fst/fld instructions; use mode attribute to determine real mode of
13617         the instruction.
13618         (*tf): New patterns, expanders and splitters; based on XFmode patterns.
13619         * invoke.texi (128bit-long-double, 96bit-long-double): Document.
13620
13621 2001-01-02  Mark Mitchell  <mark@codesourcery.com>
13622
13623         * tree.def (TRUTH_NOT_EXPR): Improve documentation.
13624
13625 Tue Jan  2 10:47:38 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.
13626
13627         * expr.c (store_constructor_field): Update ALIGN before calling
13628         store_constructor.
13629
13630 2001-01-02  Jeffrey Oldham  <oldham@codesourcery.com>
13631
13632         * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
13633         host_integerp.
13634
13635 2001-01-02  Jeffrey Oldham  <oldham@codesourcery.com>
13636
13637         * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
13638         incomplete type.
13639
13640 Tue Jan  2 10:47:38 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.
13641
13642         * c-decl.c (start_function): Don't warn on third parameter to main.
13643
13644 2001-01-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13645
13646         * tsystem.h: Define HAVE_DECL_GETOPT.
13647
13648 2001-01-02  Philip Blundell  <pb@futuretv.com>
13649
13650         * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
13651         of input operand.
13652
13653 2001-01-02  Richard Henderson  <rth@redhat.com>
13654
13655         * alpha.md (*ze_and_ne): Duplicate insn condition to split.
13656
13657 2001-01-02  Andreas Jaeger  <aj@suse.de>
13658
13659         * c-decl.c (c_decode_option): Remove support of
13660         -Wmissing-noreturn.
13661
13662         * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
13663         (W_options): Add -Wmissing-noreturn here.
13664
13665         * flow.c: Define lang_missing_noreturn_ok_p.
13666         (check_function_return_warnings): Use it.
13667
13668         * c-common.h: Declare lang_missing_noreturn_ok_p.
13669
13670         * c-lang.c (c_missing_noreturn_ok_p): New function.
13671         (lang_init): Set lang_missing_noreturn_ok_p.
13672
13673         * invoke.texi (Warning Options): Document this.
13674
13675 2000-12-27  Phil Edwards  <pme@sources.redhat.com>
13676
13677         * extend.texi (C++ Extensions):  New node for C++ attributes;
13678         describe init_priority and com_interface.
13679         * invoke.texi:  Remove -finit-priority as it now has zero effect.
13680         * install.texi:  Fix xref syntax.
13681         * md.texi:  Likewise.
13682
13683 Mon Jan  1 21:28:29 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13684
13685         * config.gcc (sparc64-wrs-vxworks*): New case.
13686         * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
13687
13688         * config/sparc/sparc.c (sparc_override_options): Do support different
13689         pointer and architecture size.
13690         * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
13691         (POINTERS_EXTEND_UNSIGNED): Define.
13692         (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
13693         (FUNCTION_MODE): Define to be Pmode.
13694         * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
13695
13696         * function.c (expand_function_end): Properly handle DECL_RESULT
13697         and copy when ptr_mode != Pmode.
13698         * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
13699
13700 2001-01-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13701
13702         * c-common.c (c_common_nodes_and_builtins): Set prototype
13703         parameters for __builtin_fputs, __builtin_fputc and
13704         __builtin_fwrite.  Don't declare plain fputc as a builtin.
13705
13706 2001-01-01  John David Anglin  <dave@hiauly1.hia.nrc.ca>
13707
13708         * loop.c (add_label_notes): Increment the label usage count when
13709         a note is added to an insn which refers to a CODE_LABEL.
13710         * gcse.c (add_label_notes): Likewise.
13711
13712 2001-01-01  Andreas Jaeger  <aj@suse.de>
13713
13714         * loop.c (scan_loop): Use xmalloc to allocate movables.
13715
13716 2001-01-01  Alexandre Oliva  <aoliva@redhat.com>
13717
13718         * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
13719         * reload.c (REGISTER_MOVE_COST): Likewise.  Adjust all callers.
13720         * reload1.c (REGISTER_MOVE_COST): Likewise.
13721         * regclass.c (REGISTER_MOVE_COST): Likewise.
13722         (move_cost, may_move_in_cost, may_move_out_cost): Add mode
13723         dimension.  Adjust all users.
13724         (init_reg_sets_1): Iterate on all modes.
13725         * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
13726         * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
13727         * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
13728         * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
13729         * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
13730         * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
13731         * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
13732         * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
13733         * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
13734         * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
13735         * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
13736         * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
13737         * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
13738         * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
13739         * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
13740         * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
13741         * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
13742         * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
13743         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
13744         * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
13745         * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
13746         * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
13747         * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
13748         * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
13749         * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
13750         * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
13751         * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
13752
13753 2001-01-01  Bernd Schmidt  <bernds@redhat.com>
13754
13755         * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
13756         arg VARIES_P.  Call it with extra arg.
13757         (true_dependence): Likewise.
13758         * rtl.h (rtx_addr_can_trap_p): Declare.
13759         (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
13760         prototypes.
13761         * rtlanal.c (rtx_addr_can_trap_p): No longer static.
13762         (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
13763         pic offset table register if it's zero.  All callers changed.
13764         (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
13765
13766 Mon Jan  1 07:38:33 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13767
13768         * explow.c (convert_memory_address, case SYMBOL_REF): Copy
13769         STRING_POOL_ADDRESS_P.
13770
13771         * config/sparc/sparc.c (input_operand): Properly test for short op.
13772
13773         * config.gcc (sparc-*-elf): Include sparc/sol2.h.
13774         (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
13775         (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
13776         * config/sparc/elf.h: No longer include sol2.h.
13777         * config/sparc/lifeelf.h: No longer include sparc/elf.h.
13778         * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
13779
13780         * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
13781
13782 2001-01-01  Michael Hayes  <mhayes@redhat.com>
13783
13784         * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
13785         (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
13786         (record_initial): Likewise.
13787         * unroll.c (copy_loop_body, loop_iterations): Likewise.
13788         (remap_split_bivs): Likewise.
13789
13790 2001-01-01  Michael Hayes  <mhayes@redhat.com>
13791
13792         * loop.c (loop_ivs_free): New function.
13793         (strength_reduce): Break out from...
13794
13795 2001-01-01  Michael Hayes  <mhayes@redhat.com>
13796
13797         * loop.h (struct iv): New.
13798         (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
13799         (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
13800         'reg_biv_class' fields with 'regs' and 'n_regs'.
13801         (struct ivs): Rename 'loop_iv_list' field to 'list'.
13802         * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
13803         * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
13804
13805 2000-12-31  Alexandre Oliva  <aoliva@redhat.com>
13806
13807         * resource.c (mark_referenced_resources): Abort() before
13808         attempting to mark a pseudo register.
13809         (mark_set_resources): Likewise.
13810
13811 2001-01-01  Michael Hayes  <mhayes@redhat.com>
13812
13813         * loop.h (REG_IV_CLASS): New accessor macro.
13814         * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
13815         * unroll.c (REG_IV_CLASS): Likewise.
13816
13817 See ChangeLog.4 for earlier changes.