gcc/ChangeLog

   1 2001-06-26  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
   2
   3         * config/mips/iris5.h (UNALIGNED_INT_ASM_OP,
   4         UNALIGNED_SHORT_ASM_OP): Define.
   5         * config/mips/iris6.h (UNALIGNED_INT_ASM_OP,
   6         UNALIGNED_SHORT_ASM_OP): Undef.
   7
   8 Tue Jun 26 12:40:12 CEST 2001  Jan Hubicka  <jh@suse.cz>
   9
  10         * i386.md (float_truncate splitter, and to mov splitters): Add
  11         reload_completed; fix operand predicate.
  12
  13         * haifa-sched.c (sched_init): Do not split insns.
  14         * toplev.c (rest_of_compilation): Call split_all_insns before
  15         sched1 pass; simplify condition of post-reload splitter;
  16         call split_all_insn before sched2 pass.
  17
  18 2001-06-26  Gabriel Dos Reis  <gdr@codesourcery.com>
  19
  20         * diagnostic.h (diagnostic_prefixing_rule_t): New enum type.
  21         (set_message_prefixing_rule): Adjust prototype.
  22         * diagnostic.c (current_prefixing_rule): Adjust type.
  23
  24 2001-06-26  Neil Booth  <neil@daikokuya.demon.co.uk>
  25
  26         * defaults.h: Default escape sequences to ASCII.
  27         * config/i370/i370.h: Adjust for ASCII default.
  28         * config/1750a/1750a.h: Remove escape sequence definitions.
  29         * config/a29k/a29k.h: Similarly.
  30         * config/alpha/alpha.h: Similarly.
  31         * config/arc/arc.h: Similarly.
  32         * config/arm/arm.h: Similarly.
  33         * config/avr/avr.h: Similarly.
  34         * config/c4x/c4x.h: Similarly.
  35         * config/clipper/clipper.h: Similarly.
  36         * config/convex/convex.h: Similarly.
  37         * config/d30v/d30v.h: Similarly.
  38         * config/dsp16xx/dsp16xx.h: Similarly.
  39         * config/elxsi/elxsi.h: Similarly.
  40         * config/fr30/fr30.h: Similarly.
  41         * config/h8300/h8300.h: Similarly.
  42         * config/i386/i386.h: Similarly.
  43         * config/i860/i860.h: Similarly.
  44         * config/i960/i960.h: Similarly.
  45         * config/ia64/ia64.h: Similarly.
  46         * config/m32r/m32r.h: Similarly.
  47         * config/m68hc11/m68hc11.h: Similarly.
  48         * config/m68k/m68k.h: Similarly.
  49         * config/m88k/m88k.h: Similarly.
  50         * config/mcore/mcore.h: Similarly.
  51         * config/mips/mips.h: Similarly.
  52         * config/mn10200/mn10200.h: Similarly.
  53         * config/mn10300/mn10300.h: Similarly.
  54         * config/ns32k/ns32k.h: Similarly.
  55         * config/pa/pa.h: Similarly.
  56         * config/pdp11/pdp11.h: Similarly.
  57         * config/pj/pj.h: Similarly.
  58         * config/romp/romp.h: Similarly.
  59         * config/rs6000/rs6000.h: Similarly.
  60         * config/sh/sh.h: Similarly.
  61         * config/sparc/sparc.h: Similarly.
  62         * config/v850/v850.h: Similarly.
  63         * config/vax/vax.h: Similarly.
  64         * config/we32k/we32k.h: Similarly.
  65         * doc/tm.texi: Update documentation.
  66
  67 2001-06-26  Gabriel Dos Reis  <gdr@merlin.codesourcery.com>
  68
  69         * diagnostic.c (digit_buffer): Remove as global.  Move to...
  70         * diagnostic.h (struct output_buffer): ... here.
  71         * diagnostic.c (output_formatted_integer): Adjust use of digit_buffer.
  72
  73 2001-06-25  Steve Ellcey  <sje@cup.hp.com>
  74
  75         * config.gcc (ia64*-*-hpux*): Add ia64/hpux_longdouble.h to tm_file.
  76         Define tmake_file to include ia64/t-hpux.
  77         * real.c (INTEL_EXTENDED_IEEE_FORMAT): Test for value instead of
  78         testing to see if it is defined.
  79         * real.h (INTEL_EXTENDED_IEEE_FORMAT): Likewise.  Default to 0 if
  80         undefined.
  81         * config/ia64/hpux_longdouble.h: New.
  82         * config/ia64/ia64.c (hfa_element_mode): Add comment about incorrect
  83         handling of long doubles.
  84         (ia64_function_arg, ia64_function_value): Add checks for TFmode
  85         and INTEL_EXTENDED_IEEE_FORMAT.
  86         * config/ia64/ia64.h (INTEL_EXTENDED_IEEE_FORMAT): Define to one.
  87         (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, LIBCALL_VALUE): Add checks for
  88         TFmode and INTEL_EXTENDED_IEEE_FORMAT.
  89         * config/ia64/ia64.md (all TFmode patterns): Test
  90         INTEL_EXTENDED_IEEE_FORMAT in condition.
  91         (floatdidf2, floatdisf2): New, for !INTEL_EXTENDED_IEEE_FORMAT.
  92         * config/ia64/quadlib.c: New.
  93         * config/ia64/t-hpux: New.
  94         * config/i386/i386.h (INTEL_EXTENDED_IEEE_FORMAT): Define to one.
  95
  96 2001-06-25  Jim Wilson  <wilson@redhat.com>
  97
  98         * config/i960/t-960bare (i960-c.o): Add missing header dependencies.
  99         * config/i960/t-vxworks960: Likewise.
 100
 101 2001-06-25   Dale Johannesen    <dalej@apple.com>
 102
 103         * bitmap.c (bitmap_last_bit_set): Fix a non-c89 usage (null actual
 104         argument to macro).
 105
 106 Mon Jun 25 11:10:51 CEST 2001  Jan Hubicka  <jh@suse.cz>
 107
 108         * i386.md (movsi_insv_1, movsi_insv_1_rex64): Fix constraints.
 109
 110 2001-06-25  Joseph S. Myers  <jsm28@cam.ac.uk>
 111
 112         * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
 113         doc/gcc.texi, doc/gcov.texi, doc/install.texi, doc/invoke.texi,
 114         doc/md.texi, doc/rtl.texi, doc/tm.texi: Be more consistent about
 115         the use of "GCC" and related terms.
 116         * doc/gcc.1, doc/gcov.1: Regenerate.
 117
 118 2001-06-24  Joseph S. Myers  <jsm28@cam.ac.uk>
 119
 120         * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
 121         doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Remove
 122         uses of @refill.
 123
 124 Sun Jun 24 21:21:49 CEST 2001  Jan Hubicka  <jh@suse.cz>
 125
 126         * (movsi_insv_1, movsi_insv_1_rex64): Allow immediate operand.
 127
 128 2001-06-24  Richard Henderson  <rth@redhat.com>
 129
 130         * builtins.c (expand_builtin_expect_jump): Disable if the
 131         expression can't be re-evaluated.
 132
 133 2001-06-24  Nick Clifton  <nickc@cambridge.redhat.com>
 134
 135         * config/arm/arm.c (arm_compute_save_reg_mask): For FIQ interrupt
 136         handlers examine register r0-r7, for other interrupt handlers
 137         examine r0-r12.  If the interrupt handler is not a leaf function
 138         save all call clobbered registers.
 139         (arm_output_epilogue): If the prologue has pushed the IP register,
 140         restore it here.
 141         (Arm_expand_prologue): For interrupt functions that need the frame
 142         pointer, push the IP register before it is corrupted.
 143
 144         * config/arm/arm.h (ARM_SIGN_EXTEND): Fix compile time warnings
 145         about the use of signed and unsigned quantities in a conditional.
 146
 147 2001-06-23  Richard Henderson  <rth@redhat.com>
 148
 149         * config/alpha/crtfastmath.c: New file.
 150         * config/alpha/t-crtfm: New file.
 151         * config/alpha/elf.h (ENDFILE_SPEC): Use crtfastmath.o.
 152         * config/alpha/osf.h (ENDFILE_SPEC): Likewise.
 153         * config/alpha/t-crtbe (EXTRA_PARTS): Add pieces defined here.
 154         * config.gcc (alpha-{linux,freebsd,netbsd,osf}): Use alpha/t-crtfm;
 155         do not set extra_parts here.
 156
 157 2001-06-24  Joseph S. Myers  <jsm28@cam.ac.uk>
 158
 159         * doc/install-old.texi: Remove more documentation of configure
 160         options.
 161         * doc/install.texi: Add it here.
 162
 163 Sat Jun 23 19:40:05 CEST 2001  Jan Hubicka  <jh@suse.cz>
 164
 165         * i386-protos.h (emit_i387_cw_initialization): Declare.
 166         * i386.md (movsi_insv_1): Remove '*'.
 167         (fix_trunc?f?i2): Revamp to use control word parameters.
 168         (fix_trunc?i_1): Likewise; update splitters.
 169         (fix splitter): Remove.
 170         * i386.c (MAX_386_STACK_LOCALS): set to 3.
 171         (emit_i387_cw_initialization): New function.
 172         (output_fix_trunc): Do not initialize control word;
 173         kill dead code; simplify.
 174
 175 2001-06-23  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
 176
 177         * cppmacro.c (make_string_token): Avoid warning.
 178         (cpp_macro_definition): Prepend the macro name.  Update
 179         comments.
 180         * cppmain.c (cb_define, dump_macro): Update for changes
 181         to cpp_macro_definition.
 182
 183 Sat Jun 23 10:20:03 CEST 2001  Jan Hubicka  <jh@suse.cz>
 184
 185         * flow.c (attempt_auto_inc, try_pre_increment_1): Fix typo.
 186
 187 Sat Jun 23 01:23:59 CEST 2001  Jan Hubicka  <jh@suse.cz>
 188
 189         * flow.c (mark_set_1, attempt_auto_inc, mark_used_reg,
 190         try_pre_increment_1): compute REG_FREQ using bb->frequency.
 191
 192         * regclass.c (loop_cost): Kill.
 193         (frequency): New global variable.
 194         (record_operand_costs): Replace loop_cost by frequency.
 195         (scan_one_insn): Likewise.
 196         (regclass): Likewise; set frequency according to bb->frequency.
 197
 198         * flow.c (split_edge): Set frequency.
 199
 200 Sat Jun 23 01:16:42 CEST 2001  Jan Hubicka  <jh@suse.cz>
 201
 202         * predict.c (block_info_def): Add nvisited.
 203         (propagate_freq): Count nvisited; re-queue delayed blocks; handle
 204         irreducible regions.
 205
 206         * flow.c (dump_edge_info): Dump the probability of edge.
 207         (combine_predictions_for_insn): Dump the basic block.
 208
 209 2001-06-22  Joseph S. Myers  <jsm28@cam.ac.uk>
 210
 211         * doc/gcc.texi: Update documentation of source files of C
 212         compiler.
 213
 214 2001-06-22  Richard Henderson  <rth@redhat.com>
 215
 216         * doc/invoke.texi (-funsafe-math-optimizations): Document its
 217         possible effects at link time.
 218
 219 2001-06-22  Diego Novillo  <dnovillo@redhat.com>
 220
 221         * basic-block.h (dump_edge_info): Declare.
 222         (clear_edges): Declare.
 223         (mark_critical_edges): Declare.
 224         * flow.c (dump_edge_info): Remove static declaration.
 225         (clear_edges): Ditto.
 226         (mark_critical_edges): Ditto.
 227         (free_basic_block_vars): Only clear edges and free basic block
 228         array if basic_block_info is not NULL.
 229         * ssa.c (compute_dominance_frontiers): Remove static declaration.
 230         * ssa.h (compute_dominance_frontiers): Declare.
 231
 232 2001-06-22  Toshiyasu Morita  (toshiyasu.morita@hsa.hitachi.com)
 233
 234         * predict.c: (expected_value_to_br_prob): Check for const_true_rtx
 235         instead of const1_rtx for true case.
 236
 237 2001-06-22  David Mosberger  <davidm@hpl.hp.com>
 238
 239         * config/ia64/crtfastmath.c: New file.
 240         * config/ia64/t-ia64 (EXTRA_PARTS): Include it.
 241         * config/ia64/linux.h (ENDFILE_SPEC): New.
 242
 243 2001-06-22  Toshiyasu Morita  <toshiyasu.morita@hsa.hitachi.com>
 244
 245         * config/h8300/h8300.c (asm_file_start): Remove reference to
 246         "release F-1".
 247
 248 2001-06-22  Joseph S. Myers  <jsm28@cam.ac.uk>
 249
 250         * c-common.c (verify_tree): Check for x being NULL.
 251         * doc/c-tree.texi: Document COMPOUND_BODY of an empty
 252         COMPOUND_STMT.
 253         Fixes PR c/3259.
 254
 255 2001-06-22  DJ Delorie  <dj@redhat.com>
 256
 257         * config/arm/arm.h (struct machine_function): Remove ra_rtx.
 258         * config/arm/arm.c (arm_mark_machine_status): Remove ra_rtx.
 259         (arm_return_addr): Use get_hard_reg_initial_val et al.
 260         * config/d30v/d30v.h (struct machine_function): Remove ra_rtx.
 261         * config/d30v/d30v.c (d30v_mark_machine_status): Remove ra_rtx.
 262         (d30v_return_addr): Use get_hard_reg_initial_val et al.
 263         * config/rs6000/rs6000.h (struct machine_function): Remove ra_rtx.
 264         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
 265         mark_machine_status.
 266         (rs6000_mark_machine_status): Remove.
 267         (rs6000_return_addr): Use get_hard_reg_initial_val.
 268         (rs6000_ra_ever_killed): Use has_hard_reg_initial_val.
 269         * config/v850/v850.h (INIT_EXPANDERS): Delete.
 270         * config/v850/v850.c (struct machine_function): Delete.
 271         (v850_init_machine_status): Delete.
 272         (v850_mark_machine_status): Delete.
 273         (v850_free_machine_status): Delete.
 274         (v850_return_addr): Use get_hard_reg_initial_val.
 275         (v850_init_expanders): Delete.
 276
 277 Fri Jun 22 19:20:59 CEST 2001  Jan Hubicka  <jh@suse.cz>
 278
 279         * predict.c (estimate_bb_frequencies): Do not handle conditional
 280         jumps jumping to fallthru basic block as conditional jumps.
 281
 282 Fri Jun 22 19:11:28 CEST 2001  Jan Hubicka  <jh@suse.cz>
 283
 284         * regs.h (struct reg_info_def): Add freq field.
 285         (REG_N_REFS): Update comment.
 286         (REG_FREQ): New.
 287         * regclass.c (scan_one_insn): Update REG_FREQ.
 288         * flow.c (mark_set_1): Update REG_FREQ, make REG_N_SETS unweighted.
 289         (attempt_auto_inc): Likewise.
 290         (mark_used_reg): Likewise.
 291         (try_pre_increment_1): Likewise.
 292         * local-alloc.c (struct qty): Add freq field.
 293         (alloc_qty): Set freq.
 294         (update_equiv_regs): Set REG_FREQ.
 295         (QTY_CMP_PRI): Use freq.
 296         (combine_regs): Update qty->freq.
 297         * global.c (struct allocno): Update comment for n_refs;
 298         add freq field.
 299         (local_reg_freq): New array.
 300         (global_alloc): Update freq field;
 301         allocate and initialize local_reg_freq.
 302         (allocno_compare): Use freq field.
 303         (find_reg): Likewise.
 304         * reload1.c (count_pseudo): Use freq isntead of n_refs.
 305         (count_spilled_pseudo): Likewise.
 306
 307         * tm.texi (GCOV_TYPE_SIZE): Document.
 308         * basic-block.h (gcov_type): Define.
 309         (struct edge_def): Use gcov_type for count field.
 310         (struct basic_block_def): Likewise.
 311         * defaults.h (GCOV_TYPE_SIZE): Define.
 312         * final.c (end_final): Use GCOV_TYPE_SIZE.
 313         * flow.c (dump_edge_info, dump_flow_info, dump_bb): Print count fields
 314         using HOST_WIDEST_INT_PRINT_DEC.
 315         * gcov-io.h (__fetch_gcov_type, __store_gcov_type, __read_gcov_type,
 316         __write_gcov_type): New.
 317         (store_long): Remove.
 318         * gcov.c (gcov_type): Set default.
 319         (struct adj_list): Use gcov_type for arc_count.
 320         (bb_info): Use gcov_type for succ_count, pred_count and exec_count.
 321         (create_program_flow_graph): Read arc_count properly.
 322         (solve_program_flow_graph): 'total' is gcov_type.
 323         (output_data): Line_counts is gcov_type, print it properly.
 324         * libgcc2.c (struct bb): Counts is gcov_type.
 325         (__bb_exit_func): Use __read_gcov_type and __write_gcov_type.
 326         * profile.c (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set default.
 327         (GCOV_TYPE_SIZE): Define.
 328         (struct bb_info): succ_count and pred_count is gcov_type.
 329         (compute_branch_probabilities): Use __read_gcov_type,
 330         print read edges to the dump file.
 331         (total): Is gcov_type.
 332         (gen_edge_profiler): Use GCOV_TYPE_SIZE.
 333
 334 2001-06-14  Andrew Haley  <aph@cambridge.redhat.com>
 335
 336         * optabs.c (emit_libcall_block): When using non-call exceptions,
 337         don't mark libcalls never throwing.
 338
 339 2001-06-21  Stan Shebs  <shebs@apple.com>
 340
 341         * objc/objc-act.c (hash_init): Use xcalloc.
 342
 343 2001-06-21  Richard Henderson  <rth@redhat.com>
 344
 345         * flow.c (entry_exit_blocks): Initialize frequency.
 346         (split_block): Copy it.
 347         (dump_flow_info): Dump it.
 348
 349 Thu Jun 21 22:15:10 2001  J"orn Rennecke <amylaar@redhat.com>
 350
 351         * sh.c (barrier_align): Also recognize branch-around-a-jump-sequence
 352         from machine-depedent_reorg for purposes of alignment supression
 353         when no delay slot insn has been added.
 354
 355 2001-06-21  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
 356
 357         * cppmacro.c (make_string_token): Null terminate.
 358
 359 2001-06-21  DJ Delorie  <dj@redhat.com>
 360
 361         * config/alpha/alpha.h (struct machine_function): Remove.
 362         * config/alpha/alpha.c (integrate.h): Include.
 363         (override_options): Don't set up machine_status hooks.
 364         (alpha_init_machine_status): Remove.
 365         (alpha_mark_machine_status): Remove.
 366         (alpha_free_machine_status): Remove.
 367         (alpha_return_addr): Use get_hard_reg_initial_val.
 368         (alpha_gp_save_rtx): Likewise.
 369         (alpha_ra_ever_killed): Use has_hard_reg_initial_val.
 370
 371 2001-06-20  Aldy Hernandez  <aldyh@redhat.com>
 372
 373         * config/sh/sh.md (interrupt_function): Use
 374         current_function_interrupt.
 375         (define_delay): Schedule in delay slot if TARGET_SH3, even if it is
 376         an interrupt function.
 377
 378         * config/sh/sh.h (current_function_interrupt): Define extern.
 379
 380         * config/sh/sh.c (current_function_interrupt): New global.
 381         (sh_expand_prologue): Set current_function_interrupt.
 382
 383 2001-06-21  Phil Edwards  <pme@sources.redhat.com>
 384
 385         * doc/install.texi:  Add 'c' to list of --enable-languages choices.
 386
 387 2001-06-21  DJ Delorie  <dj@redhat.com>
 388
 389         * integrate.c (mark_hard_reg_initial_vals): Check for NULL.
 390
 391         * integrate.c (ggc.h): Include.
 392         (initial_value_pair, initial_value_struct,
 393         setup_initial_hard_reg_value_integration): Add prototypes.
 394         (expand_inline_function): Call
 395         setup_initial_hard_reg_value_integration.
 396         (has_func_hard_reg_initial_val, get_func_hard_reg_initial_val,
 397         get_hard_reg_initial_val, has_hard_reg_initial_val): New functions
 398         to keep track of values present at the start of a function.
 399         (mark_hard_reg_initial_vals): New, for gc.
 400         (setup_initial_hard_reg_value_integration): New.  Sets up pseudo
 401         mappings for initial values.
 402         (emit_initial_value_sets): New.  Emits code to set initial value
 403         pseudos.
 404         * integrate.h: Add prototypes for new functions.
 405         * function.h (struct function): Add hard_reg_initial_vals field.
 406         * function.c (integrate.h): Include.
 407         (mark_function_status): Call
 408         mark_hard_reg_initial_vals.
 409         * toplev.c (integrate.h): Include.
 410         (rest_of_compilation): Call emit_initial_value_sets.
 411
 412 2001-06-21  Stan Shebs  <shebs@apple.com>
 413
 414         * doc/contrib.texi, doc/cpp.texi, doc/cppinternals.texi,
 415         doc/extend.texi, doc/gcc.texi, doc/install.texi, doc/invoke.texi,
 416         doc/objc.texi, doc/tm.texi: Use the correct name "Objective-C"
 417         everywhere instead of "Objective C".
 418
 419 2001-06-21  Joseph S. Myers  <jsm28@cam.ac.uk>
 420
 421         * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
 422         doc/gcc.texi, doc/install-old.texi, doc/install.texi,
 423         doc/invoke.texi, doc/rtl.texi: Consistently use "front end" and
 424         "back end" as nouns and "front-end" and "back-end" as adjectives.
 425
 426 Wed Jun 20 21:53:35 CEST 2001  Jan Hubicka  <jh@suse.cz>
 427
 428         * predict.c (estimate_probability): Fix loop bounds.
 429
 430 Wed Jun 20 19:10:48 CEST 2001  Jan Hubicka  <jh@suse.cz>
 431
 432         * toplev.c (rest_of_compilation): Run mark_constant_function
 433         before profile-arcs.
 434
 435 Wed Jun 20 19:08:18 CEST 2001  Jan Hubicka  <jh@suse.cz>
 436
 437         * predict.c (estimate_loops_at_level, propagate_freq
 438         estimate_bb_frequencies, count_to_freqs): New functions.
 439         (estimate_probability): Call estimate_bb_frequencies.
 440         * basic-block.h (basic_block_def): Add field "freq".
 441         (BB_FREQ_MAX): New constant.
 442
 443 Wed Jun 20 17:02:50 2001  J"orn Rennecke <amylaar@redhat.com>
 444
 445         * sh.c (barrier_align): Don't ask for alignment when seeing a
 446         branch-around-a-jump from machine_dependent_reorg.
 447
 448 Wed Jun 20 08:35:02 2001  Jeffrey A Law  (law@cygnus.com)
 449
 450         * ssa.c (rename_block): Update parameter to remove_phi_alternative
 451         (convert_from_ssa): Do create REG_DEAD and REG_UNUSED notes when
 452         re-running life analysis.
 453
 454 2001-06-20  Stan Shebs  <shebs@apple.com>
 455
 456         * objc/objc-act.c (hash_init): Assume xmalloc always succeeds,
 457         also use memset to clear the hash tables.
 458         (hash_enter): Assume xmalloc always succeeds.
 459         (hash_add_attr): Ditto.
 460         (continue_class): Ditto.
 461
 462 2001-06-20  Michael Meissner  <meissner@redhat.com>
 463
 464         * builtins.c (predict.h): Include.
 465         (expand_builtin_expect): Update comment.
 466         (expand_builtin_expect_jump): New function to expand
 467         __builtin_expect inside of a conditional jump expansion.
 468
 469         * expr.c (do_jump): Special case __builtin_expect (<test>, 0) and
 470         __builtin_expect (<test>, 1).
 471
 472         * Makefile.in (builtins.o): Depend on $(PREDICT_H).
 473
 474         * rtl.h (expand_builtin_expect_jump): Add prototype.
 475
 476 2001-06-19  Geoffrey Keating  <geoffk@redhat.com>
 477
 478         * doc/rtl.texi (Machine Modes): Correct description of
 479         floating-point modes on machines with non-8-bit bytes.
 480
 481 2001-06-19  Bernd Schmidt  <bernds@redhat.com>
 482
 483         * regmove.c (optimize_reg_copy_3): Do nothing if previous insn
 484         carries a REG_EQUIV note.  If it carries REG_EQUAL, delete the
 485         note.
 486
 487 Tue Jun 19 07:53:52 2001  Jeffrey A Law  (law@cygnus.com)
 488
 489         * ssa.c (remove_phi_alternative): Remove declaration.  No longer
 490         static.  Second argument is a pointer to a basic block structure,
 491         not a basic block index.
 492         (convert_to_ssa): Do not remove dead code.
 493         (convert_from_ssa): Do not remove dead code to create death notes.
 494         * ssa.h (remove_phi_alternative): Declare.
 495
 496         * flow.c (delete_unreachable_blocks): Fix patch error in
 497         previous change (call to find_unreachable_blocks was lost).
 498
 499         * ssa.c (ssa_uses): Remove definition.
 500         (apply_delayed_renames): Don't grow ssa_uses.
 501         (rename_block): Remove comment related to ssa_uses.
 502         (rename_registers): Do not initialize ssa_uses.
 503         (convert_from_ssa): Do not free ssa_uses.
 504
 505         * ssa-dce.c: Renamed from dce.c.
 506         * Makefile.in (OBJS): Replace dce.o with ssa-dce.o
 507         (dependencies): Replace dce.c with ssa-dce.c and dce.o with
 508         ssa-dce.o.
 509
 510 2001-06-19  Eric Christopher <echristo@redhat.com>
 511
 512         * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode
 513         and DFmode are UNITS_PER_WORD and 2*UNITS_PER_WORD.  Use
 514         GET_MODE_BITSIZE instead of GET_MODE_SIZE/UNITS_PER_WORD.
 515
 516 Tue Jun 19 01:52:27 2001  J"orn Rennecke <amylaar@redhat.com>
 517
 518         * sh.c (output_branch): Delete bogus code.
 519
 520         * sh.c (initial_elimination_offset):
 521         Fix FROM == RETURN_ADDRESS_POINTER_REGNUM case.
 522
 523 Mon Jun 18 12:50:49 2001  Jeffrey A Law  (law@cygnus.com)
 524
 525         * flow.c (find_unreachable_blocks): New function.
 526         (delete_unreachable_blocks): Use find_unreachable_blocks.
 527         * basic-block.h (find_unreachable_blocks): Declare.
 528
 529         * dce.c (eliminate_dead_code): Fix formatting glitch.
 530
 531 2001-06-18  Jason Merrill  <jason_merrill@redhat.com>
 532
 533         * c-common.h (RETURN_NULLIFIED_P): New macro.
 534         * c-semantics.c (genrtl_return_stmt): Check it.
 535
 536         * expr.c (clear_storage): Set TREE_NOTHROW on the decl for memset.
 537         (emit_block_move): Likewise.
 538
 539 Mon Jun 18 17:27:24 CEST 2001  Jan Hubicka  <jh@suse.cz>
 540
 541         * unroll.c: Include predict.h.
 542         (unroll_loop): Drop prediction notes on preconditioning.
 543         * predict.def (PRED_LOOP_PRECONDITIONG, PRED_LOOP_CONDITION):
 544         New; add comments on the others.
 545         * Makefile.in: (unroll.o): Add dependancy on predict.h.
 546         * loop.c (strength_reduce): Fix branch prediction.
 547
 548 Mon Jun 18 17:26:56 CEST 2001  Jan Hubicka  <jh@suse.cz>
 549
 550         * stmt.c (emit_case_nodes): Optimize test whether index is in given
 551         interval.
 552
 553 Mon Jun 18 15:43:10 CEST 2001  Jan Hubicka  <jh@suse.cz>
 554
 555         * predict.c (estimate_probability): Do not bail out early
 556         when note is present.
 557         (combine_predictions_for_insn): Fix note removal code.
 558
 559 2001-06-18  Ben Elliston  <bje@redhat.com>
 560
 561         * except.c (resolve_fixup_regions): Initialise "cleanup".
 562
 563 2001-06-17  Neil Booth  <neil@daikokuya.demon.co.uk>
 564
 565         * tm.texi: Document STDC_0_IN_SYSTEM_HEADERS.
 566
 567 Sat Jun 16 20:20:39 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 568
 569         * expr.c (expand_expr, case ADDR_EXPR): If taking address of SAVE_EXPR,
 570         use put_var_into_stack.
 571
 572 2001-06-16  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
 573
 574         * gccspec.c (lang_specific_driver): If compiling ObjC, add
 575         -shared-libgcc when necessary.
 576         * Makefile.in (gccspec.o): Compile with DRIVER_DEFINES.
 577
 578 2001-06-16  Daniel Berlin  <dan@cgsoftware.com>
 579
 580         * bitmap.h: Add dump_bitmap, bitmap_zero, bitmap_union_of_diffs,
 581         bitmap_a_or_b, bitmap_a_and_b, bitmap_first_set_bit,
 582         bitmap_last_set_bit. All for compatibility with sbitmap's.
 583
 584         *bitmap.c (bitmap_zero): New function.
 585         (bitmap_union_of_diffs): New function.
 586         (bitmap_first_set_bit): New function.
 587         (bitmap_last_set_bit): New function.
 588
 589 2001-06-16  Neil Booth  <neil@daikokuya.demon.co.uk>
 590
 591         * cpp.texi, invoke.texi: Update.
 592         * cpp.1, gcc.1: Regenerate.
 593
 594 Sat Jun 16 12:45:20 CEST 2001  Jan Hubicka  <jh@suse.cz>
 595
 596         * i386.md (minsf): Fix splitter. (PR fortran/3191)
 597
 598 2001-06-16  Neil Booth  <neil@daikokuya.demon.co.uk>
 599
 600         * doc/cpp.texi: Update.
 601         * doc/cpp.1: Regenerate.
 602
 603 2001-06-15  Loren J. Rittle  <ljrittle@acm.org>
 604
 605         * doc/install.texi: Use correct markup hints.
 606
 607 Fri Jun 15 18:05:22 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 608
 609         * function.c (gen_mem_addressof): Handle case where DECL is SAVE_EXPR.
 610
 611         * explow.c (expr_size): If DECL and size specified, use it.
 612
 613 2001-06-15  Zack Weinberg  <zackw@stanford.edu>
 614
 615         * doc/cpp.texi: Formatting corrections.
 616         Correct buggy example of use of __GNUC__ etc.
 617         Clarify $ in identifiers.
 618         * doc/cpp.1: Regenerate.
 619
 620 Fri Jun 15 19:35:38 CEST 2001 Jan Hubicka  <jh@suse.cz>
 621
 622         * optabs.c (expand_twoval_binop): Avoid undefined behaviour.
 623
 624 2001-06-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 625
 626         * doc/install.texi (Specific, alpha*-*-*): Fixed Tru64 UNIX
 627         etc. spelling.
 628         (Specific, alpha-*-osf1): Renamed to alpha*-*-osf*.
 629         Added Tru64 UNIX V5.1 bootstrap hints.
 630         (Specific, alpha*-*-osf*): Removed old section, obsolete.
 631
 632 2001-06-15  Andreas Jaeger  <aj@suse.de>
 633
 634         * doc/install.texi (Specific): Mention that glibc cannot be
 635         compiled with GCC 3.0.
 636
 637 2001-06-14  Andrew Haley  <aph@cambridge.redhat.com>
 638
 639         * combine.c (nonzero_bits): Don't optimize away division by
 640         zero.
 641
 642 2001-06-15  Zack Weinberg  <zackw@stanford.edu>
 643
 644         * doc/cpp.texi: Revised and brought up to date.
 645         * doc/cpp.1: Regenerate.
 646
 647 2001-06-15  Loren J. Rittle  <ljrittle@acm.org>
 648
 649         * doc/install.texi: Update --enable-threads to match reality.
 650
 651 2001-06-15  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
 652
 653         * doc/install.texi: Update for C4x.
 654         * README.C4X: Remove.
 655
 656 2001-06-14  Joseph S. Myers  <jsm28@cam.ac.uk>
 657
 658         * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
 659         doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
 660         doc/objc.texi, doc/rtl.texi, doc/tm.texi: Fix spelling and typos.
 661         Consistently use "built-in" and "bit-field".  Minor logical markup
 662         improvements.
 663         * doc/gcc.1: Regenerate.
 664
 665 2001-06-14  Richard Henderson  <rth@redhat.com>
 666
 667         * config/mips/mips.md (exception_receiver): New.
 668
 669 2001-06-14  Daniel J. Berlin <dan@cgsoftware.com>
 670
 671         * doc/gcc.texi:  Update passes documentation to be more in tune
 672         with reality.
 673
 674 Thu Jun 14 15:38:28 CEST 2001  Jan Hubicka  <jh@suse.cz>
 675
 676         * i386.c (ix86_expand_prologue): Fix merging conflict.
 677
 678 2001-06-14  Joseph S. Myers  <jsm28@cam.ac.uk>
 679
 680         * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
 681         doc/gcc.texi, doc/gcov.texi, doc/install-old.texi,
 682         doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Use more
 683         logical markup.  Use TeX quotes and dashes.  Use @dots{} and
 684         @minus{}.  Avoid spaces inside @var.  Update last modification
 685         date in gcc.texi.
 686         * doc/gcc.1, doc/gcov.1: Regenerate.
 687
 688 Thu Jun 14 12:44:15 CEST 2001  Jan Hubicka  <jh@suse.cz>
 689
 690         * i386.c (x86_accumulate_outgoing_args, x86_prologue_using_move,
 691         x86_epilogue_using_move): New global variables.
 692         (override_options): Enable ACCUMULATE_OUTGOING_ARGS if preferred.
 693         (ix86_emit_save_regs_using_mov): New static function.
 694         (ix86_expand_prologue, ix86_expand_epilogue): Use moves if preferred.
 695         * i386.h (MASK_MMX, MASK_SSE, MASK_SSE2, MASK_128BIT_LONG_DOUBLE,
 696         MASK_MIX_SSE_I387): Renumber.
 697         (MASK_NO_ACCUMULATE_OUTGOING_ARGS): New.
 698         (x86_accumulate_outgoing_args, x86_prologue_using_move,
 699         x86_epilogue_using_move): Declare.
 700         (TARGET_PROLOGUE_USING_MOVE, TARGET_EPILOGUE_USING_MOVE): New.
 701
 702 2001-06-13  John David Anglin  <dave@hiauly1.hia.nrc.ca>
 703
 704         * inclhack.def (hpux10_cpp_pow_inline): New hack.
 705
 706 2001-06-13  Richard Henderson  <rth@redhat.com>
 707
 708         * ifcvt.c (dead_or_predicable): Fix return value last patch.
 709
 710 2001-06-13  Mark Mitchell  <mark@codesourcery.com>
 711
 712         * NEWS: Remove.
 713
 714 2001-06-13  Richard Henderson  <rth@redhat.com>
 715
 716         * ifcvt.c (cond_exec_get_condition): Use reversed_comparison_code.
 717         (cond_exec_process_if_block, dead_or_predicable): Likewise.
 718
 719 2001-06-13  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 720
 721         * mips-tfile.c (copy_object): Always pass indexNil for symbol
 722         table index.
 723
 724 2001-06-13  Kazu Hirata  <kazu@hxi.com>
 725
 726         * config/h8300/h8300.h (OK_FOR_T): Remove.
 727         (EXTRA_CONSTRAINT): Do not use OK_FOR_T.
 728         * config/h8300/h8300.md: Remove alternatives involving inc and dec
 729         in the helper patterns for addhi3 and addsi3.
 730
 731 2001-06-13  Phil Edwards  <pme@sources.redhat.com>
 732
 733         * doc/contrib.texi:  Link to libstdc++'s thanks.html for now.
 734
 735 2001-06-13  Zack Weinberg  <zackw@stanford.edu>
 736
 737         * Makefile.in: Move _bb and __gcc_bcmp to LIB2FUNCS_ST.
 738         * libgcc-std.ver: Take out __bb* and __gcc_bcmp.
 739
 740         * config/t-slibgcc-elf-ver, config/t-slibgcc-sld,
 741         config/alpha/t-osf4, config/mips/t-iris6: Extract all
 742         references to @shlib_map_file@, @shlib_objs@, or
 743         @shlib_base_name@ to Makefile variables.
 744         Bump soname version of libgcc to 1.
 745
 746 2001-06-13  Joseph S. Myers  <jsm28@cam.ac.uk>
 747
 748         * doc/install.texi: Use more logical markup.  Include @node
 749         commands in the source when generating any non-HTML.
 750
 751 2001-06-13  Joseph S. Myers  <jsm28@cam.ac.uk>
 752
 753         * README: Remove.  Some of the contents moved to ../README.
 754
 755 2001-06-13  Alexandre Oliva  <aoliva@redhat.com>
 756
 757         * doc/install.texi (--enable-shared): List package names
 758         recognized by GCC.
 759
 760 2001-06-13  Alexandre Oliva  <aoliva@redhat.com>
 761
 762         * doc/install.texi (ix86-*-solaris*): Removed, outdated.
 763         (*-*-solaris*): Document problem in /bin/sh that affects
 764         configuring libraries.
 765         (sparc-*-solaris*): Recommend GNU binutils 2.11.1 or vendor tools.
 766         (*-sun-solaris2.8): Document linker problem that explains why
 767         libjava is disabled by default.
 768
 769 2001-06-09  Mark Mitchell  <mark@codesourcery.com>
 770
 771         Revert this patch:
 772         * toplev.c (rest_of_compilation): Remove dead code before
 773         purge_addressof.
 774
 775 2001-06-12  Alexandre Oliva  <aoliva@redhat.com>
 776
 777         Reverted:
 778         2001-06-07  Nathan Sidwell  <nathan@codesourcery.com>
 779         * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
 780         * configure: Rebuilt.
 781
 782 2001-06-12  Jim Wilson  <wilson@redhat.com>
 783
 784         * loop.c (strength_reduce): Move bl->all_reduced set before
 785         check_ext_dependant_givs call.
 786         (check_ext_dependant_givs): Clear bl->all_reduced when ignoring givs.
 787
 788 2001-06-12  Alexandre Oliva  <aoliva@redhat.com>
 789
 790         * doc/extend.texi (Function Attributes): Document SH's sp_switch
 791         and trap_exit.
 792
 793 2001-06-13  Joseph S. Myers  <jsm28@cam.ac.uk>
 794
 795         * doc/invoke.texi: Use more logical markup.  Use TeX quotes,
 796         dashes and @dots{}.
 797
 798 2001-06-12  Richard Henderson  <rth@redhat.com>
 799
 800         * config/i386/i386.c (ix86_expand_prologue): Always use
 801         gen_pro_epilogue_adjust_stack; update arguments.
 802         (ix86_expand_epilogue): Likewise.
 803         (ix86_emit_epilogue_esp_adjustment): Remove.
 804         (ix86_adjust_cost): Remove pro_epilogue_adjust_stack hack.
 805         * config/i386/i386.md (pro_epilogue_adjust_stack): Use a BLKmode
 806         clobber of scratch memory instead of a modification of EBP as the
 807         barrier.  Update all peepholes to match.
 808
 809 2001-06-12  Joseph S. Myers  <jsm28@cam.ac.uk>
 810
 811         * doc/gcc.texi: Change the font used for @def... commands to a
 812         fixed width font.
 813         * doc/extend.texi: Use more logical markup.  Use "built-in"
 814         instead of "builtin".  Use @deftypefn to mark up built-in
 815         functions; specify their types in the @deftypefn and not in the
 816         descriptive text.  Use TeX quotes and dashes.  Add more index
 817         entries.
 818
 819 2001-06-12  lars brinkhoff  <lars@nocrew.org>
 820
 821         * gcc.texi (HOST_BITS_PER_LONGLONG): Document.
 822         (DIR_SEPARATOR_2): Likewise.
 823
 824 2001-06-12  Joseph S. Myers  <jsm28@cam.ac.uk>
 825
 826         * doc/install.texi (--exec-prefix, --bindir, --libdir,
 827         --with-slibdir, --infodir, --mandir, --with-cpp-install-dir):
 828         Document.
 829         (--enable-cpp): Change to document --disable-cpp instead; update
 830         to reflect current default.
 831         (--without-fast-fixincludes): Remove documentation.
 832         (Final install): Document installation directories in more
 833         detail.  Document use of make dvi.
 834
 835 Tue Jun 12 19:01:43 CEST 2001  Jan Hubicka  <jh@suse.cz>
 836
 837         * recog.c (validate_replace_rtx_1): Fix previous patch.
 838
 839 Tue Jun 12 17:25:39 CEST 2001  Jan Hubicka  <jh@suse.cz>
 840
 841         * recog.c (validate_replace_rtx_1): Do plus_constant call always.
 842
 843 Tue Jun 12 17:24:07 CEST 2001  Jan Hubicka  <jh@suse.cz>
 844
 845         * simplify-rtx.c (simplify_subreg): Allow volatile memory
 846         to be subregged in case we don't have move instruction.
 847
 848 Tue Jun 12 12:20:12 CEST 2001  Jan Hubicka  <jh@suse.cz>
 849
 850         * loop.c: Include predict.h
 851         (strength_reduce): Drop branch prediction note in case
 852         number of iterations is known.
 853         * predict.def (PRED_LOOP_ITERATIONS): new.
 854         * Makefile.in (loop.o): Add dependancy on predict.h
 855
 856 2001-06-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 857
 858         * c-decl.c (grokdeclarator): Use INTEGRAL_TYPE_P.
 859
 860         * c-typeck.c (c_start_case): Likewise.
 861
 862 2001-06-12  Mark Mitchell  <mark@codesourcery.com>
 863
 864         * expr.c (store_field): Don't set MEM_ALIAS_SET for a field
 865         in a structure at a variable address.
 866
 867 2001-06-12  Joseph S. Myers  <jsm28@cam.ac.uk>
 868
 869         * doc/gcov.texi: Use more logical markup.
 870
 871 2001-06-11  Mark Mitchell  <mark@codesourcery.com>
 872
 873         * unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and
 874         REG_NOTE_KIND, not PUT_MODE and GET_MODE.
 875         (final_reg_note_copy): Remove REG_WAS_0 notes that are no longer
 876         valid.
 877
 878 2001-06-11  Stan Shebs  <shebs@apple.com>
 879
 880         * darwin.h (ASM_FILE_END): Remove decl of language_string.
 881
 882 2001-06-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 883
 884         * config/m68hc11/m68hc11.md ("*lshrdi3_const32"): Mark the clobber
 885         as an early clobber to make sure it is not used by reload in
 886         one of the operands.
 887
 888 2001-06-11  Mark Mitchell  <mark@codesourcery.com>
 889
 890         * doc/c-tree.texi: Update information about flag_honor_std.
 891         * doc/install.texi: Note that binutils is required on HPUX 11.
 892         * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is
 893         now the default.
 894
 895         * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of
 896         variable-sized types.
 897
 898 2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
 899
 900         * doc/md.texi: Use TeX dashes and quotes.
 901
 902 2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
 903
 904         * doc/rtl.texi: Reference manual chapter about trees.
 905
 906 2001-06-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 907
 908         * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define.
 909         (WINT_TYPE): Override.
 910         (WINT_TYPE_SIZE): Likewise.
 911         (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate.
 912
 913         * config/sparc/sol2.h (WINT_TYPE): Define.
 914         (WINT_TYPE_SIZE): Likewise.
 915
 916         * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define.
 917         (WINT_TYPE): Override.
 918         (WINT_TYPE_SIZE): Likewise.
 919         (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition.
 920         (CPP_ARCH64_SPEC): Likewise.
 921
 922 2001-06-11  Richard Henderson  <rth@redhat.com>
 923
 924         * unwind-dw2-fde.c (__deregister_frame_info): Don't play games
 925         with alias attribute.
 926
 927         * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu).
 928         * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise.
 929
 930 2001-06-11  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
 931
 932         * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New.
 933
 934 2001-06-11  Stan Shebs  <shebs@apple.com>
 935
 936         * darwin.c (darwin_encode_section_info):  Rewrite to simplify
 937         and fix coding mistakes.
 938
 939 2001-06-11  Nick Clifton  <nickc@cambridge.redhat.com>
 940
 941         * config/m32r/m32r.md (movstrsi_internal): Do not expect a
 942         return string from m32r_output_block_move.
 943         * config/m32r/m32r-protos.h: Make m32r_output_block_move a
 944         void function.
 945         * config/m32r/m32r.h (INT32_P): Rename to UNIT32_P and remove
 946         integer overflow.
 947         (ROUND_ADVANCE): Remove signed/unsigned conflict.
 948         * config/m32r/m32r.c: Declare prototypes for static functions.
 949         (move_src_operand): Replace INT32_P with UINT32_P.
 950         (function_arg_partial_nregs): Fixed signed/unsigned conflict
 951         in initialisation of 'size'.
 952         (m32r_sched_reord): Remove redundant declarations of 'code'.
 953         (m32r_output_block_move): Change to a void function.
 954         (m32r_encode_section_info): Cast return of
 955         TREE_STRING_POINTER to avoid compile time warning.
 956
 957 2001-06-11  Richard Henderson  <rth@redhat.com>
 958
 959         * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New.
 960         * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default.
 961         (struct machine_function): Add gp_save_rtx.
 962         * config/alpha/alpha.c (alpha_mark_machine_status): Mark it.
 963         (alpha_gp_save_rtx): New.
 964         * config/alpha/alpha-protos.h: Declare it.
 965         * config/alpha/alpha.md (exception_receiver): Make an expander.
 966         Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP.
 967
 968 2001-06-11  Richard Henderson  <rth@redhat.com>
 969
 970         * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
 971
 972 2001-06-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 973
 974         * configure.in: Align --help messages.
 975         Remove trailing full stops.
 976         Consistently use lower case.
 977         Fix DWARF 2 spelling.
 978         * configure: Rebuilt.
 979
 980 2001-06-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 981
 982         * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and
 983         variants for .cpp/.cp/.c++ files.
 984         Move definition of __LANGUAGE_C_PLUS_PLUS ...
 985         (CPLUSPLUS_CPP_SPEC): ... here.
 986
 987 Mon Jun 11 15:47:45 CEST 2001  Jan Hubicka  <jh@suse.cz>
 988
 989         * jump.c (duplicate_loop_exit_test): Fix loop header heuristics.
 990
 991 2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
 992
 993         * c-decl.c (store_parm_decls): When comparing types in an
 994         old-style function declaration with those from a previous
 995         prototype, compare the unqualified versions of parameter types.
 996         Fixes PR c/3116.
 997
 998 2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
 999
1000         * doc/objc.texi: Use more logical markup.  Use TeX dashes.
1001
1002 2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
1003
1004         * doc/c-tree.texi: Use more logical markup.
1005
1006 2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
1007
1008         * c-decl.c (xref_tag): Don't return previous tags of wrong type.
1009
1010 2001-06-11  Aldy Hernandez  <aldyh@redhat.com>
1011
1012         * loop.c (scan_loop): Do not combine asm statements.
1013
1014 2001-06-11  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
1015
1016         * simplify-rtx.c (simplify_subreg): Fix offset calculation
1017         for complex values within a CONCAT.
1018
1019 2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
1020
1021         * doc/install.texi: Update details of what components are included
1022         in the GCC distribution.  Update default directory for g++
1023         includes.  Update documentation relating to old libio.  Adjust
1024         documentation on DejaGnu environment variables.  Remove
1025         documentation of --enable-cpplib.
1026
1027 2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
1028
1029         * doc/contrib.texi: Fix alphabetical order.  Fix typos.  Improve
1030         markup.
1031
1032 2001-06-10  Richard Henderson  <rth@redhat.com>
1033
1034         * ifcvt.c (life_data_ok): New.
1035         (merge_if_block): Use it to determine whether to update
1036         global_live_at_end.
1037         (if_convert): Set it.
1038
1039 2001-06-10  Richard Henderson  <rth@redhat.com>
1040
1041         * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
1042
1043 2001-06-10  Alexandre Oliva  <aoliva@redhat.com>
1044
1045         * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
1046         (SH Options): Document -mieee.
1047         * doc/install.texi (Final install): Remove obsolete information
1048         about installing cross compilers.
1049         * doc/gcc.1: Rebuilt.
1050
1051 2001-06-10  Richard Henderson  <rth@redhat.com>
1052
1053         * config/alpha/alpha.c (override_options): Set align_loops,
1054         align_jumps, and align_functions.
1055         * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
1056         (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
1057
1058 2001-06-11  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
1059
1060         * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
1061         are one and two words in size.
1062
1063 2001-06-10  Richard Henderson  <rth@redhat.com>
1064
1065         * doc/invoke.texi (Optimization Options): Document -fpeephole2.
1066         (Code Generation Options): Document -fnon-call-exceptions.
1067
1068 2001-06-10  Mark Kettenis  <kettenis@gnu.org>
1069
1070         * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
1071
1072 2001-06-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
1073
1074         * m68hc11.md (peepholes): Remove unused and wrong peepholes.
1075
1076 2001-06-10  Mark Mitchell <mark@codesourcery.com>
1077             Gabriel Dos Reis  <gdr@codesourcery.com>
1078
1079         * Makefile.in (c-parse.o): Depend on diagnostic.h
1080         (dwarf2out.o): Likewise.
1081
1082         * dwarf2out.c: #include diagnostic.h
1083
1084         * toplev.h (warningcount, errorcount, sorrycount): Remove
1085         declarations.
1086
1087         * toplev.c (warningcount, errorcount, sorrycount): Remove
1088         definitions.
1089
1090         * diagnostic.h (struct output_buffer): Reorder fields.
1091         (diagnostic_kind_count): New macro.
1092         (errorcount, warningcount, sorrycount): Define as macros.
1093         (diagnostic_report_warnings_p): New macro.
1094         (output_state): Add diagnostic_count field.
1095
1096         * diagnostic.c (warningcount, errorcount, inhibit_warnings):
1097         Remove tentative declaration.
1098         (count_error): Use diagnostic_report_warnings_p.
1099
1100         * c-parse.in: #include diagnostic.h
1101
1102 2001-06-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
1103
1104         * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
1105         prefer a memory for operand 1.
1106         ("*addsi3"): Fix constraints, the '!' was too strong.
1107         ("*addsi3_split"): Accept soft register and split accordingly.
1108
1109 2001-06-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
1110
1111         * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
1112         Move definition in the RTX_CODE section.
1113
1114 2001-06-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
1115
1116         * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
1117         address as relative to the argument pointer.
1118
1119 Sun Jun 10 10:58:53 CEST 2001  Jan Hubicka  <jh@suse.cz>
1120
1121         * predict.def (PRED_OPCODE): Place before call and error_return.
1122
1123 Sun Jun 10 10:00:17 CEST 2001  Jan Hubicka  <jh@suse.cz>
1124
1125         * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
1126         * predict.c (estimate_probability): Calculate dominance
1127         information; improve detection of NORETURN heuristics;
1128         add call/error_return heuiristics; tweak comparison heuristics
1129         to recognize -1.
1130
1131 2001-06-09  Alexandre Oliva  <aoliva@redhat.com>
1132
1133         * doc/invoke.texi (C Dialect Options): Document -aux-info.
1134         (Debugging Options): Document -print-multi-directory and
1135         -print-multi-lib.
1136         * doc/gcc.1: Rebuilt.
1137
1138         * toplev.c (independent_decode_option): Require `=' between
1139         `-aux-info' and filename in the same argument.
1140         * gcc.c: Don't pass -aux-info=filename twice.
1141
1142 2001-06-09  Mark Mitchell  <mark@codesourcery.com>
1143
1144         * expr.c (expand_expr, case ARRAY_REF): Do not replace
1145         an array element with the known initializing value if it has
1146         side-effects.
1147
1148         * toplev.c (rest_of_compilation): Remove dead code before
1149         purge_addressof.
1150
1151 2001-06-09  Neil Booth  <neil@daikokuya.demon.co.uk>
1152
1153         * cppinit.c (print_help): Document -fpreprocessed.
1154         * invoke.texi: Similarly.
1155
1156 Sun Jun 10 00:35:37 CEST 2001  Jan Hubicka  <jh@suse.cz>
1157
1158         * predict.def: New file.
1159         * predict.h: New file.
1160         * predict.c: Include predict.h.
1161         (predictor_info): New structure and array.
1162         (predict_edge, predict_insn): Rewrite; make global.
1163         (predict_edge_def, predict_insn_def): New global functions.
1164         (dump_prediction, combine_predictions_for_insns): New
1165         static functions.
1166         (estimate_probability): Change calls to predict_edge
1167         to predict_edge_def and calls to predict_insn to predict_insn_def;
1168         combine probabilities.
1169         (expected_value_to_br_prob): Behave as predictor.
1170         * rtl.h (REG_BR_PRED): Update coment.
1171         (invert_br_probabilities): New.
1172         * jump.c: Include predict.h
1173         (duplicate_loop_exit_test): Drop branch prediction notes.
1174         (invert_jump): Use invert_br_probabilities.
1175         * Makefile.in: Add dependancy on predict.h for jump and predict pass.
1176         * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
1177         * combine.c (distribute_notes): Handle BR_PRED.
1178
1179 Sat Jun  9 23:29:41 CEST 2001  Jan Hubicka  <jh@suse.cz>
1180
1181         * predict.c (predict_insn, predict_edge): New static functions.
1182         (estimate_probability): Revamp to use new functions;
1183         fix loop header heruistics; add loop exist heruistics
1184
1185 2001-06-09  Alexandre Oliva  <aoliva@redhat.com>
1186
1187         * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
1188
1189 2001-06-09  Peter Jakubek <pjak@snafu.de>
1190
1191         * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
1192
1193 2001-06-09  John David Anglin  <dave@hiauly1.hia.nrc.ca>
1194
1195         * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
1196         for integer operations that don't update C bit.
1197
1198 2001-06-09  Nicola Pero <nicola@brainstorm.co.uk>
1199
1200         * gthr-posix.h (__gthread_objc_init_thread_system): If
1201         pthread_key_create fails, it's not clear what the return value is.
1202         This obvious fix makes sure it always returns -1 if a problem
1203         occurs.
1204
1205 2001-06-09  Joseph S. Myers  <jsm28@cam.ac.uk>
1206
1207         * doc/gcc.texi: Use @defcodeindex for the index of options.  Add
1208         more index entries.  Use more logical markup where appropriate.
1209         Use TeX quotes and dashes.
1210
1211 2001-06-09  Benjamin Kosnik  <bkoz@redhat.com>
1212
1213         * unwind-pe.h: Conditionally qualify references to abort with
1214         std::.
1215
1216 2001-06-09  Julian Foad <julian_foad@hotmail.com>
1217
1218         * doc/invoke.texi: Remove superfluous text.
1219
1220 2001-06-08  Richard Henderson  <rth@redhat.com>
1221
1222         * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
1223         (LIB_SPEC): Mirror config/linux.h version.
1224
1225 2001-06-08  Richard Henderson  <rth@redhat.com>
1226
1227         * except.c (get_exception_pointer, get_exception_filter): Take a
1228         struct function.  Update all callers.
1229         * except.h (get_exception_pointer): Update declaration.
1230         * expr.c (expand_expr): Update get_exception_pointer call.
1231         * integrate.c (expand_inline_function): Remap the exception pointer
1232         from callee to caller.
1233
1234 2001-06-08  Mark Mitchell  <mark@codesourcery.com>
1235
1236         * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
1237         accurately reflect its cv-qualification.
1238         * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
1239         cv-qualifiers on function types.
1240
1241 2001-06-08  Mark Mitchell  <mark@codesourcery.com>
1242
1243         * basic-block.h: Improve comments.
1244         * except.c (expand_eh_region_end_allowed): Remove redundant call
1245         to do_pending_stack_adjust.
1246         * flow.c (life_analysis): Fix typo in comment.
1247         (calculate_global_regs_live): Add documentation.
1248         (mark_set_1): Likewise.
1249         (debug_regset): Likewise.
1250         * doc/rtl.texi (cond_exec): Document it.
1251
1252 Fri Jun  8 21:52:51 CEST 2001  Jan Hubicka  <jh@suse.cz>
1253
1254         * i386.h (CONST_COSTS): set cost of constants representable in
1255         immediate fields to 0.
1256
1257 Fri Jun  8 21:34:54 CEST 2001  Jan Hubicka  <jh@suse.cz>
1258
1259         * function.c (diddle_return_value): Kill code to determine
1260         return value before expand_function_end.
1261         (expand_function_end): Delay call to clobber_return_register
1262         after fucntion return value is computed.
1263
1264         Re-install temporary reverted patch:
1265         * toplev.c (rest_of_compilation): Call split_all_insns
1266         before reg-stack and shorten-branches. Do shorten-branches
1267         after reg-stack.
1268         * final.c (shorten_branches): Remove insn splitting code.
1269
1270 2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>
1271
1272         * doc/gcc.texi, doc/invoke.texi: Add index of command line
1273         options.  Use @opindex to index them rather than other indexing
1274         commands.  Use @var{...} instead of <...>.  Avoid spaces in names
1275         inside @var.  Don't use @kindex to index escape sequences in
1276         source code.
1277
1278 2001-06-08  Jason Merrill  <jason_merrill@redhat.com>
1279
1280         * stmt.c (current_nesting_level): New fn.
1281         * tree.h: Declare it.
1282         * c-semantics.c (genrtl_compound_stmt): Use it.
1283
1284         * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
1285
1286 2001-06-08  Jakub Jelinek  <jakub@redhat.com>
1287
1288         * jump.c (mark_modified_reg): Allow jump threading if condition
1289         codes are represented by a hard register.
1290
1291 2001-06-08  Jakub Jelinek  <jakub@redhat.com>
1292
1293         * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
1294         for complex floats passed to unprototyped functions.
1295
1296 2001-06-08  Mark Mitchell  <mark@codesourcery.com>
1297
1298         * except.c (expand_eh_region_end_allowed): Call
1299         do_pending_stack_adjust as necessary.
1300
1301 Fri Jun  8 14:16:33 CEST 2001  Jan Hubicka  <jh@suse.cz>
1302
1303         * function.c (clobber_return_register): Clobber the pseudo return
1304         register too.
1305
1306         * sibcall.c (skip_unreturned_value): New function.
1307         (call_ends_block_p): Use it.
1308
1309         * recog.c (split_insn): Break out from ...
1310         (split_all_insns): ... here; do not use basic block information
1311         when it is broken.
1312
1313 Thu Jun  7 18:27:53 CEST 2001  Jan Hubicka  <jh@suse.cz>
1314
1315         * simplify-rtx.c (simplify_subreg):  Fix verification of
1316         combined subreg.
1317
1318 2001-06-08  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1319
1320         * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
1321         Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
1322         Move definition of _LANGUAGE_C_PLUS_PLUS ...
1323         (CPLUSPLUS_CPP_SPEC): ... here.
1324         Fixes PRs c++/3047, target/441.
1325
1326 2001-06-08  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1327
1328         * doc/install.texi2html (MAKEINFO): Keep value if set already.
1329
1330 2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>
1331
1332         * doc/gcc.texi: Add trailing slash to URL.
1333
1334 2001-06-07  Stan Shebs  <shebs@apple.com>
1335
1336         * config/darwin.h (ENCODE_SECTION_INFO): Define.
1337         (REDO_SECTION_INFO_P): Ditto.
1338         (STRIP_NAME_ENCODING): Ditto.
1339         (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
1340         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
1341         (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
1342         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
1343         * config/darwin.c: No longer include c-tree.h.
1344         (machopic_classify_ident): Rewrite to use symbol encoding.
1345         (lookup_name_darwin): Remove.
1346         (machopic_non_lazy_ptr_name): Handle encoded symbols.
1347         (machopic_stub_name): Use STRIP_NAME_ENCODING.
1348         (machopic_validate_stub_or_non_lazy_ptr): Ditto.
1349         (machopic_finish): Ditto, remove test of decl.
1350         (update_non_lazy_ptrs): New function.
1351         (darwin_encode_section_info): New function.
1352         * config/darwin-protos.h: Declare it.
1353         * config/rs6000/rs6000.c (machopic_output_stub): Use
1354         STRIP_NAME_ENCODING.
1355
1356 2001-06-07  Mark Mitchell  <mark@codesourcery.com>
1357
1358         * tree.h (DECL_SOURCE_FILE): Improve documentation.
1359         (DECL_SOURCE_LINE): Likewise.
1360
1361 2001-06-07  Loren J. Rittle  <ljrittle@acm.org>
1362
1363         * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
1364         from config/elfos.h.
1365
1366 2001-06-07  Phil Edwards  <pme@sources.redhat.com>
1367
1368         * linux.h (CPLUSPLUS_CPP_SPEC):  Move -D_GNU_SOURCE to here.
1369         * pa/pa-linux.h:  Allow CPLUSPLUS_CPP_SPEC to remain.
1370
1371 2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>
1372
1373         * doc/contrib.texi: Add copyright notice.
1374
1375 2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>
1376
1377         * doc/md.texi: Use four digit years in copyright notice.
1378
1379 2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>
1380
1381         * config.gcc: For $target_alias of athlon-*, set
1382         target_cpu_default2=5.
1383
1384 Thu Jun  7 16:17:40 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1385
1386         * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
1387         end of last block if last real insn is a JUMP_INSN.
1388
1389 2001-06-07  Joseph S. Myers  <jsm28@cam.ac.uk>
1390
1391         * NEWS: Regenerate.
1392
1393 2001-06-07  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1394
1395         * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
1396         pthread_t to objc_thread_t.
1397         (__gthread_objc_thread_id): Likewise.
1398
1399 2001-06-07  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1400
1401         * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
1402         (ASM_OLDAS_SPEC): Likewise.
1403
1404         * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
1405         (CPP_SUBTARGET_SPEC): Use it.
1406         (ASM_OLDAS_SPEC): Define.
1407         (ASM_SPEC): Use it.
1408         (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
1409
1410 2001-06-07  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1411
1412         * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
1413         passed by reference.
1414
1415 2001-06-07  Joseph S. Myers  <jsm28@cam.ac.uk>
1416
1417         * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
1418         Document use of N_(...), and show it in examples.  Note that
1419         documentation should be added to invoke.texi.  Avoid an overfull
1420         hbox.
1421
1422 Thu Jun  7 17:09:50 CEST 2001  Jan Hubicka  <jh@suse.cz>
1423
1424         * toplev.c (rest_of_compilation): Revert previous patch.
1425         * final.c (shorten_branches): Likewise.
1426
1427 2001-06-07  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1428
1429         * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
1430         Remove.
1431
1432 2001-06-07  Joseph S. Myers  <jsm28@cam.ac.uk>
1433
1434         * doc/install-old.texi: Remove more obsolete documentation.
1435
1436 Thu Jun  7 13:20:14 CEST 2001  Jan Hubicka  <jh@suse.cz>
1437
1438         * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
1439
1440 Thu Jun  7 12:12:58 CEST 2001  Jan Hubicka  <jh@suse.cz>
1441
1442         * toplev.c (rest_of_compilation): Call split_all_insns
1443         before reg-stack and shorten-branches. Do shorten-branches
1444         after reg-stack.
1445         * final.c (shorten_branches): Remove insn splitting code.
1446
1447 2001-06-07  Nathan Sidwell  <nathan@codesourcery.com>
1448
1449         * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
1450         * configure: Rebuilt.
1451
1452 2001-06-07  Andreas Jaeger  <aj@suse.de>
1453
1454         * emit-rtl.c (operand_subword): Remove unused variable.
1455
1456 Wed Jun  6 14:51:05 CEST 2001  Jan Hubicka  <jh@suse.cz>
1457
1458         * i386.md (floatdi?f): Avoid usinf of SSE instructions
1459         if TARGET_64BIT is false.
1460         (floatdi?f_i386_only): New insn.
1461         (floatdi?f_i386): Disable for !TARGET_64BIT.
1462
1463         * (min?f, max?f splitters): Handle case where
1464         operands are cross-matched.
1465
1466         * i386.h (HI_REGISTER_NAMES): Remove redundant definition
1467         (MMX_REGISTER_NAMES): Kill.
1468         (PRINT_OPERAND): Fix comment.
1469         (PRINT_REG): Likewise.
1470         * i386.c (print_reg): Kill support for 'm' CODE; simplify.
1471         (print_operand): Update comment; kill 'm'.
1472
1473         * i386.c (x86_branch_hints): New global variable
1474         (print_operand): Support outputting of branch prediction hints.
1475         * i386.md (conditional jump patterns): Add branch prediction hints
1476         to the template.
1477         * i386.h (x86_branch_hints): Declare
1478         (TARGET_BRANCH_PREDICTION_HINTS): New macro.
1479         (PRINT_OPERAND_FUNCT_VALID_P): New.
1480         * final.c (final_forward_branch_p): New function.
1481
1482 2001-06-06  Richard Henderson  <rth@redhat.com>
1483
1484         * flow.c (mark_used_reg): Clean up looping over multiple hard
1485         registers.  Do conditional life bits across multiple hard regs.
1486
1487 2001-06-05  Jeffrey D. Oldham  <oldham@codesourcery.com>
1488
1489         * reload1.c (reload): Revert Schmidt's change so all USEs are not
1490         deleted during reload.
1491
1492 2001-06-05  Mark Mitchell  <mark@codesourcery.com>
1493
1494         * c-semantics.c (genrtl_scope_stmt): Write out nested inline
1495         functions here, instead of ...
1496         * c-decl.c (c_expand_body): ... here.
1497
1498 2001-06-05  David O'Brien  <obrien@FreeBSD.org>
1499
1500         * config.gcc, config/sparc/bsd.h:  Do not directly include
1501         sparc/sparc.h.  Instead do it via tm_file.
1502
1503 2001-06-05  Richard Henderson  <rth@redhat.com>
1504
1505         * dwarf2.h (DW_EH_PE_aligned): New.
1506         * dwarf2asm.c (eh_data_format_name): Name it.
1507         (dw2_asm_output_encoded_addr_rtx): Align for it.
1508         * dwarf2out.c (output_call_frame_info): Handle it for personality
1509         routine and LSDA pointers.
1510
1511         * unwind-pe.h (DW_EH_PE_aligned): New.
1512         (base_of_encoded_value): Handle it.
1513         (read_encoded_value_with_base): Likewise.
1514         * unwind-dw2-fde.c (base_from_object): Likewise.
1515         (get_cie_encoding): Likewise.
1516
1517         * config/alpha/elf.h: Remove ecoff commentary.
1518         * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1519
1520 2001-06-05  David O'Brien  <obrien@FreeBSD.org>
1521
1522         * config.gcc, config/i386/bsd386.h:  Do not directly include
1523         i386/386bsd.h.  Instead do it via tm_file.
1524
1525 2001-06-05  David O'Brien  <obrien@FreeBSD.org>
1526
1527         * elfos.h (USING_ELFOS_H):  Identify the use of elfos.h in the same
1528         way svr4.h does.
1529
1530 2001-06-05  Pascal Obry  <obry@act-europe.fr>
1531
1532         * configure.in: Quote $enable_win32_registry in case the value has
1533         spaces in it.
1534         * configure: Ditto.
1535
1536 2001-06-05  Mark Mitchell  <mark@codesourcery.com>
1537
1538         * print-rtl.c (xspaces): Remove.
1539         (print_rtx): Use printf field-width, rather than xpsaces, to
1540         indent.
1541         * toplev.c (main): Disable sibling-call optimization if we are
1542         handling exceptions.
1543
1544 2001-06-05  Bernd Schmidt  <bernds@redhat.com>
1545
1546         * reload1.c (reload): Delete all USEs generated during reload.
1547
1548 2001-06-05  scott snyder  <snyder@fnal.gov>
1549
1550         * gccbug.in:  Fix typo.
1551
1552 2001-06-05  Andreas Jaeger  <aj@suse.de>
1553
1554         * builtins.def: Fix definition of __builtin_cosf, it uses float as
1555         parameter and return value.
1556
1557 2001-06-04  Anthony Green  <green@redhat.com>
1558
1559         * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
1560         machine.  This is now done in sparc.h.
1561
1562 2001-06-05  Nathan Sidwell  <nathan@codesourcery.com>
1563
1564         Correct CVS resurrection of invoke.texi.
1565         * doc/invoke.texi: Document new tree dump flags.
1566
1567 2001-06-05  Joseph S. Myers  <jsm28@cam.ac.uk>
1568
1569         * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
1570         for casting an aggregate to its own type.  Fixes PR c/2735.
1571
1572 2001-06-05  Joseph S. Myers  <jsm28@cam.ac.uk>
1573
1574         * doc/texinfo.tex: Update to version 2001-05-24.08.
1575
1576 2001-06-05  Nathan Sidwell  <nathan@codesourcery.com>
1577
1578         * c-common.h (flag_dump_translation_unit): Remove.
1579         (enum tree_dump_index): Define.
1580         (TDF_ADDRESS, TDF_SLIM): New #defines.
1581         (dump_node_to_file): Remove.
1582         (dump_node): Make extern. Add flags.
1583         (dump_flag, dump_enabled_p, dump_begin, dump_end,
1584         dump_switch_p): Prototype.
1585         * c-common.c (flag_dump_translation_unit): Remove.
1586         * c-decl.c (c_decode_option): Remove -fdump-translation-unit
1587         logic. Use dump_switch_p.
1588         * c-dump.h (struct dump_info): Add node and user fields.
1589         (dump_pointer): Declare.
1590         * c-dump.c (dump_node): Make extern. Add flags.
1591         (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
1592         (dump_new_line, dump_maybe_newline): Use them.
1593         (dump_pointer): New function.
1594         (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
1595         chain or function's body. Dump address, if TDF_ADDRESS set.
1596         (dump_flag): Define.
1597         (dump_node_to_file): Remove.
1598         (struct dump_file_info): New struct.
1599         (dump_files): New array.
1600         (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
1601         * c-lang.c (finish_file): Adjust dumping.
1602         * toplev.h (dump_base_name): Make extern.
1603         * invoke.texi: Document new flags.
1604
1605 2001-06-04  Mark Mitchell  <mark@codesourcery.com>
1606
1607         * c-tree.h (lang_decl): Add pending_sizes fields.
1608         * c-decl.c (store_parm_decls): Save pending_sizes away for nested
1609         functions.
1610         (c_expand_body): Expand them.
1611         (lang_mark_tree): Mark lang_decl:pending_sizes.
1612         * function.c (expand_pending_sizes): New function, broken out
1613         from ...
1614         (expand_function_start): ... here.
1615         * tree.h (expand_pending_sizes): Declare it.
1616
1617 2001-06-04  Loren J. Rittle  <ljrittle@acm.org>
1618
1619         * doc/install.texi: Update FreeBSD information.  Generalize
1620         and update information for alpha-based platforms using ELF.
1621
1622 2001-06-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>
1623
1624         * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
1625         (store_parm_decls): Likewise.
1626         * c-typeck.c (convert_arguments): Likewise.
1627
1628 2001-06-04  Richard Henderson  <rth@redhat.com>
1629
1630         * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
1631         optimization if current_function_calls_setjmp.
1632
1633 2001-06-04  Joseph S. Myers  <jsm28@cam.ac.uk>
1634
1635         * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
1636         wide strings.
1637
1638 Mon Jun  4 20:44:25 CEST 2001  Jan Hubicka  <jh@suse.cz>
1639
1640         * simplify-rtx.c (simplify_subreg): Fix combining of
1641         paradoxical subregs.
1642
1643 Mon Jun  4 20:15:25 CEST 2001  Jan Hubicka  <jh@suse.cz>
1644
1645         * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
1646         (no_labels_between_p): Short circuit case beg==end.
1647
1648 Mon Jun  4 20:03:05 CEST 2001  Jan Hubicka  <jh@suse.cz>
1649
1650         * rtlanal.c (operand_preference): Fix preference for objects.
1651
1652 Mon Jun  4 20:00:40 CEST 2001  Jan Hubicka  <jh@suse.cz>
1653
1654         * gcse.c (handle_avail_expr): Be prepared to handle single_set
1655         parallels.
1656
1657 Mon Jun  4 19:59:46 CEST 2001  Jan Hubicka  <jh@suse.cz>
1658
1659         * combine.c (if_then_else_cond): Use simplify_subreg instead
1660         of operand_subword.
1661         * integreate.c (sub_constants): Likewise.
1662
1663 Mon Jun  4 19:59:12 CEST 2001  Jan Hubicka  <jh@suse.cz>
1664
1665         * emit-rtl.c (constant_subword): Deprecate; remove most of code
1666         and use simplify_gen_subreg.
1667
1668 Mon Jun  4 19:55:23 CEST 2001  Lars Brinkhoff  <lars@nocrew.org>
1669
1670         * sibcall.c (skip_copy_to_return_value): recognize the situation
1671         when the called function's return value is copied into an
1672         intermediate pseudo, and then into the calling functions return
1673         value register.
1674
1675 Mon Jun  4 16:50:33 CEST 2001  Jan Hubicka  <jh@suse.cz>
1676
1677         * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
1678         check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
1679         in case register wasn't OK previously, accept it now; allow
1680         subregs of frame pointer if reload completed and frame pointer
1681         is not needed.
1682
1683         * combine.c (sombine_simplify_rtx): Fix comment;
1684         use subreg_lowpart_offset instead of subreg_lowpart_p
1685         (gen_lowpart_for_combine): Use subreg_lowpart_offset.
1686         * rtl.h (subreg_lowpart_parts_p): Kill.
1687         (subreg_lowpart_offset, subreg_highpart_offset): Declare.
1688         * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
1689         * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
1690         (gen_lowpart_common): Likewise.
1691         (subreg_lowpart_p): Likewise.
1692         (subreg_lowpart_parts_p): Kill.
1693         (subreg_lowpart_offset, subreg_highpart_offset): New function.
1694
1695         * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
1696         to simplify SUBREG and REG.
1697         (gen_highpart): Use simplify_gen_subreg for all simplifications.
1698
1699         * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
1700         CONCAT specially.
1701
1702         * rtlanal.c (replace_regs):  Use simplify_gen_subreg
1703
1704 Mon Jun  4 09:21:19 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1705
1706         * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
1707         (ARRAY_RANGE_REF): Added description.
1708
1709         * tree.def (ARRAY_RANGE_REF): New code.
1710         * alias.c (handled_component_p, can_address_p): Handle it.
1711         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
1712         * explow.c (set_mem_attributes): Likewise.
1713         * expr.c (expand_assignment, get_inner_reference): Likewise.
1714         (expand_expr, expand_expr_unaligned, do_jump): Likewise.
1715         * fold-const.c (operand_equal_p): Likewise.
1716         * tree.c (staticp, stabilize_reference): Likewise.
1717         * varasm.c (decode_addr_const): Likewise.
1718
1719 Sun Jun  3 21:59:51 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1720
1721         * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
1722         (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
1723
1724 2001-06-03  kaz Kojima  <kkojima@rr.iij4u.or.jp>
1725
1726         * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
1727         mark_constant_pool_use before output_addr_const.
1728         (struct pool_node): New field wend.
1729         (add_constant): Note a sequence of constants that are referenced
1730         by a given label.
1731         (pool_window_label, pool_window_last): New variables.
1732         (dump_table): Emit a unspec_volatile representing the end of a
1733         sequence of constants.
1734         (mark_constant_pool_use): New function.
1735         * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
1736         (consttable_2): Add the second operand which flags whether
1737         this consttable entry was used or not.
1738         (consttable_4, consttable_8, consttable_sf, consttable_df):
1739         Likewise.
1740         (consttable_window_end): New insn.
1741
1742 2001-06-03  Alexandre Oliva  <aoliva@redhat.com>
1743
1744         * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
1745         Reformat according to coding standards.
1746
1747         Warning removal.
1748         * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
1749         (shl_and_kind): Cast wide constant.
1750         (gen_far_branch): Define as static, as in declaration.
1751         (barrier_align): Compute cache-line length as unsigned.  Add
1752         parentheses in initial credit computation.
1753         (rounded_frame_size): Add parentheses.
1754         (permanent_obstack): Remove declaration.  Include ggc.h for
1755         declaration of ggc_add_root_rtx().
1756         (get_free_reg): Removed declaration of unused variable reg.
1757         (legitimize_pic_address): Mark mode argument as unused.
1758
1759 2001-06-03  Igor Shevlyakov  <igor@windriver.com>
1760
1761         * config/sh/sh.c (output_branch): Support for insn with lenght
1762         attr 12 & 16 which represents cond branches outside +-4096 range.
1763
1764 2001-06-03  Alexandre Oliva  <aoliva@redhat.com>
1765
1766         * config/sh/lib1funcs.asm (ic_invalidate): Align the
1767         cache-mirroring sequence.  Add nops.
1768
1769 2001-06-03  Joseph S. Myers  <jsm28@cam.ac.uk>
1770
1771         * doc/install-old.texi: Remove more old installation
1772         documentation.
1773         * doc/install.texi: Add relevant parts here.
1774
1775 2001-06-03  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1776
1777         * doc/install.texi2html: New script.
1778
1779 2001-06-03  David Edelsohn  <edelsohn@gnu.org>
1780
1781         * doc/install.texi: Update AIX information again.
1782
1783 2001-06-02  Joseph S. Myers  <jsm28@cam.ac.uk>
1784
1785         * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
1786         installation documentation.
1787         * doc/install.texi: Move it to here.
1788
1789 2001-06-02  Joseph S. Myers  <jsm28@cam.ac.uk>
1790
1791         * doc/install.texi: Clean up Texinfo markup.
1792
1793 2001-06-02  Joseph S. Myers  <jsm28@cam.ac.uk>
1794
1795         * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
1796         to just after title page.
1797
1798 2001-06-02  Joseph S. Myers  <jsm28@cam.ac.uk>
1799
1800         * doc/install-old.texi: Remove documentation of some configuration
1801         options.
1802         * doc/install.texi: Add relevant parts of this documentation here.
1803
1804 2001-06-02  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1805
1806         * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
1807         Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
1808
1809 Sat Jun  2 12:23:51 CEST 2001  Jan Hubicka  <jh@suse.cz>
1810
1811         * i386.md (all uses of ext_register_operand): Make sure they are
1812         VOIDmode; replace all uses outside zero_extend.
1813         (and?i splitters): Use ext_register_operands.
1814         (test?i peep2): Remove ignored constraints.
1815         * i386.c (ext_register_operand): Check that operand is
1816         eighter pseudo or hard or 'Q' register.
1817
1818 Sat Jun  2 06:53:50 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1819
1820         * tree.h (struct record_layout_info_s): New field unpadded_align.
1821         (set_lang_adjust_rli): New declaration.
1822         * stor-layout.c (layout_decl): If DECL is packed, but at alignment
1823         it would have if not packed, do not downgrade DECL_ALIGN.
1824         (lang_adjust_rli, set_lang_adjust_rli): New.
1825         (start_record_layout): Initialize new field unpadded_align.
1826         (debug_rli): Display it.
1827         (place_union_field, place_field): Set it.
1828         (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
1829
1830         * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
1831         mean that; use proper names instead.
1832         Print DECL_NO_STATIC_CHAIN.
1833
1834         * except.c (expand_builtin_frob_return_addr): Add missing call
1835         to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
1836         (expand_builtin_eh_return): Likewise.
1837         (expand_eh_return): Clean up ptr_mode != Pmode cases.
1838
1839 2001-06-01  Jan van Male  <jan.vanmale@fenk.wau.nl>
1840
1841         * doc/invoke.texi: Remove references to papers about sequence points
1842         to readings.html, refer to that page.
1843
1844 2001-06-01  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1845
1846         * README: Update references to installation instructions.
1847
1848 2001-06-01  Laurent Guerby  <guerby@acm.org>
1849             Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1850
1851         * doc/install.texi: Define srcdir when sources come from CVS.
1852         Significantly improve markup.  Wrap overly long lines
1853
1854 2001-06-01  DJ Delorie  <dj@redhat.com>
1855
1856         * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
1857         extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
1858         objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
1859         gcov.1: Move to doc subdirectory.
1860         * install.texi: Move to doc/install-old.texi.
1861         * gcc.texi: Move to doc, refer to install-old.texi.
1862         * Makefile.in: Reflect move of docs to doc/.
1863         * f/Make-lang.in: Ditto.
1864         * java/Make-lang.in: Ditto.
1865         * doc/.cvsignore: New.
1866
1867 2001-05-31  Jan van Male  <jan.vanmale@fenk.wau.nl>
1868
1869         * invoke.texi: use two spaces between command options, eliminate
1870         some 'overfull hboxes'
1871
1872 2001-06-01  Hans-Peter Nilsson  <hp@axis.com>
1873
1874         * Makefile.in (s-mlib): Make backtick-commands always succeed.
1875         (DRIVER_DEFINES): Ditto.
1876
1877 2001-05-31  Richard Henderson  <rth@redhat.com>
1878
1879         * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
1880         also link against libgcc.a.
1881
1882 2001-05-31  Geoff Keating  <geoffk@cygnus.com>
1883
1884         * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
1885         * config/mips/mips.c (mips_output_ascii): New function.
1886         * config/mips/mips-protos.h (mips_output_ascii): Prototype.
1887
1888         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
1889
1890 Thu May 31 19:09:53 CEST 2001  Jan Hubicka  <jh@suse.cz>
1891
1892         * flow.c (set_block_for_new_insns): Remove bogus shortcut.
1893         * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
1894
1895 2001-05-31  Rodney Brown  <rbrown64@csc.com.au>
1896
1897         * install.texi (Configuration): Add html links for --with-gnu-as &
1898         --with-gnu-ld and refer to them from hppa & SCO triplets.
1899         (Specific): Link back to with-gnu-ld for all ELF platfoms.
1900         (Specific): Reword AVR binutils recommendation.
1901
1902 2001-05-30  Zack Weinberg  <zackw@stanford.edu>
1903
1904         * ggc-page.c (size_lookup): Increase minimum allocation size
1905         to eight bytes.
1906         (ggc_print_statistics): Report size of each bin in bytes, not
1907         as its order; there is no longer a direct relationship.
1908
1909 2001-05-31  Jan van Male  <jan.vanmale@fenk.wau.nl>
1910
1911         * extend.texi: Fix formating of examples, eliminate some
1912         'overfull hboxes'.
1913         * gcc.texi: Eliminate some 'overfull hboxes'.
1914         * invoke.texi: Use two spaces between command options, eliminate
1915         some 'overfull hboxes'.
1916
1917 2001-05-30  Richard Henderson  <rth@redhat.com>
1918
1919         * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
1920
1921 2001-05-30  Tom Tromey  <tromey@redhat.com>
1922
1923         * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
1924         use it in the new association.
1925
1926 2001-05-30  Loren J. Rittle  <ljrittle@acm.org>
1927             John David Anglin  <dave@hiauly1.hia.nrc.ca>
1928
1929         * gthr-posix.h (__gthread_active_ptr): Cast function pointer
1930         to target type to allow ISO C++ compiler to accept it.
1931         * gthr-dce.h (__gthread_active_ptr): Likewise.
1932         * gthr-solaris.h (__gthread_active_ptr): Likewise.
1933
1934 2001-05-30  Neil Booth  <neil@daikokuya.demon.co.uk>
1935
1936         * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
1937         so that we do accept comments in preprocessed input.
1938
1939 2001-05-30  Neil Booth  <neil@daikokuya.demon.co.uk>
1940
1941         * cpphash.c (alloc_node): Cast allocated pointer.
1942
1943 2001-05-30  Gordon Sadler <gbsadler1@lcisp.com>
1944
1945         * invoke.texi (Option Summary): Remove -isystem-c++ from options.
1946
1947 2001-05-29  Stan Shebs  <shebs@apple.com>
1948
1949         * gcc.texi: Add links for information about Objective-C.
1950
1951 2001-05-29  Nathan Sidwell  <nathan@codesourcery.com>
1952
1953         * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
1954         /bin/sed fails on [^\"]).
1955         (configargs.h): Likewise.
1956
1957 2001-05-29  Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
1958
1959         * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
1960
1961 2001-05-28  Stan Shebs  <shebs@apple.com>
1962
1963         * objc/objc.gperf: Remove, no longer used.
1964
1965 2001-05-28  Joseph S. Myers  <jsm28@cam.ac.uk>
1966
1967         * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
1968         gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
1969         Remove trailing whitespace.
1970
1971 2001-05-28  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1972
1973         * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
1974         became http://freeware.sgi.com/.
1975
1976 2001-05-27  Geoffrey Keating  <geoffk@redhat.com>
1977
1978         * local-alloc.c (update_equiv_regs): Don't eliminate constant
1979         expressions at -O0.
1980
1981 2001-05-27  Stan Shebs  <shebs@apple.com>
1982
1983         * objc/objc-act.c: Add/fix various comments.
1984         (init_selector): Remove, no longer used.
1985         (build_msg_pool_reference): Ditto.
1986         (objc_debug): Ditto.
1987
1988 2001-05-27  Neil Booth  <neil@daikokuya.demon.co.uk>
1989
1990         * c-decl.c (init_decl_processing):
1991          Don't call start_identifier_warnings.
1992         * flags.h (warn_id_clash, id_clash_len): Remove.
1993         * stringpool.c: Don't include flags.h.
1994         (scan_for_clashes, do_identifier_warnings,
1995         start_identifier_warnings): Remove.
1996         * toplev.c (warn_id_clash, id_clash_len): Remove.
1997         (display_help): Don't document -Wid-clash.
1998         (decode_W_option): Print warning on -Wid-clash.
1999         * tree.h (start_identifier_warnings): Remove.
2000         * invoke.texi: Remove documentation of -Wid-clash.
2001
2002 2001-05-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2003
2004         * fixinc/fixtests.c: Declare entries in ENV_TABLE.
2005
2006 2001-05-27  Bruce Korb  <bkorb@gnu.org>
2007
2008         * fixinc/check.tpl(HACK) add and use a Scheme variable
2009         (has no test text): error out if no "test_text" is defined
2010         * fixinc/fixincl.tpl: likewise
2011         (FIXIDX): make it an enumeration so we minimize diffs
2012         * fixinc/inclhack.def: re-alphabetize and add sort instructions
2013         * fixinc/fixincl.x: regenerate
2014         * fixinc/tests/base/stdio.h: test output got moved due to
2015         the alphabetizing
2016         * README-fixinc: rewrite (mostly)
2017
2018 2001-05-27  Neil Booth  <neil@daikokuya.demon.co.uk>
2019
2020         * cpplib.c (run_directive): Set pfile->directive.
2021
2022 2001-05-23  Theodore Papadopoulo  <Theodore.Papadopoulo@sophia.inria.fr>
2023
2024         * c-tree.texi: Reformat the manual as a single chapter now
2025         included by gcc.texi.
2026         * gcc.texi: Include c-tree.texi. Merge all indexes.
2027         * Makefile.in (dvi): Add generation for the cppinternals
2028         documentation. Added dependencies on fdl.texi and c-tree.texi
2029         where appropriate.  Use TEXI2DVI instead of custom tex calls.
2030         (info): Added dependencies on fdl.texi and c-tree.texi where
2031         appropriate.  Remove the target c-tree.info.
2032
2033 2001-05-27  Lars Brinkhoff  <lars@nocrew.org>
2034
2035         * combine.c (try_combine): Fix typo in comment.
2036         * expr.c (expand_expr): Likewise.
2037         * config/i370/i370.md (untyped_call): Likewise.
2038
2039 2001-05-26  Bruce Korb  <bkorb@gnu.org>
2040
2041         * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
2042         when fixincl is operating in test mode
2043         * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
2044         (AAB_ultrix_limits): remove redundant text
2045         (AAB_ultrix_memory): ditto
2046         (AAB_ultrix_string): ditto
2047         (djgpp_wchar_h): fix the test text
2048         (irix_stdio_va_list): add test text
2049         (irix_limits_const): add a testing output file (limits.h is overwritten)
2050         (strict_ansi_not_ctd): put limits.h second in list for same reason
2051         (solaris27_mutex_init): test text needed selection text, too
2052
2053         * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
2054         when fixincl is operating in test mode
2055
2056 2001-05-26  Philip Blundell  <philb@gnu.org>
2057
2058         * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
2059         * config/i960/i960-protos.h: Likewise.
2060         * config/i370/i370-protos.h: Likewise.
2061         * config/h8300/h8300-protos.h: Likewise,
2062         * config/sh/sh-protos.h: Likewise.
2063         * config/v850/v850-protos.h: Likewise.
2064
2065 2001-05-26  Philip Blundell  <philb@gnu.org>
2066
2067         * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
2068
2069 2001-05-25  Zack Weinberg  <zackw@stanford.edu>
2070
2071         * toplev.c (debug_args, f_options, W_options): Mark
2072         descriptions for translation.
2073         (display_help): Translate descriptions on output.
2074
2075         * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
2076         objc/lang-options.h: Mark descriptions for translation.
2077
2078         * aclocal.m4: Quote final argument of patsubst.  Use
2079         3-argument form of AC_DEFINE.  Restore quotes to [] while
2080         using AC_FD_CC.
2081         * configure.in: Remove unnecessary changequote calls.
2082         * configure, config.in: Regenerate.
2083
2084 2001-05-25  Sam TH  <sam@uchicago.edu>
2085
2086         * basic-block.h: Fix header include guards.
2087         * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
2088         cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
2089         except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
2090         gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
2091         gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
2092         insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
2093         rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
2094         varray.h version.h: Likewise.
2095         * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
2096         config/arm/arm.h config/c4x/c4x-protos.h
2097         config/h8300/h8300-protos.h config/h8300/h8300.h
2098         config/i370/i370-protos.h config/i370/i370.h
2099         config/i960/i960-protos.h config/mcore/mcore.h
2100         config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
2101         config/v850/v850-protos.h config/v850/v850.h: Likewise.
2102         * fixinc/fixlib.h fixinc/server.h: Likewise.
2103
2104 2001-05-25  Stacey Sheldon  <ssheldon@Catena.com>
2105
2106         * config/arc/initfini.c (.init): Fix typo.
2107
2108 2001-05-25  Geoffrey Keating  <geoffk@redhat.com>
2109
2110         * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
2111
2112 2001-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2113
2114         * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
2115
2116 2001-05-25  Richard Henderson  <rth@redhat.com>
2117
2118         * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
2119
2120 2001-05-25  Richard Henderson  <rth@redhat.com>
2121
2122         * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
2123         (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
2124         (sparc*-*-solaris2): Likewise.
2125         * config/t-linux: Remove shared libgcc macros.
2126         * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
2127         * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
2128
2129 2001-05-25  Loren J. Rittle  <ljrittle@acm.org>
2130
2131         * config.gcc (*-*-freebsd*): Report bad configuration.
2132
2133 2001-05-25  David Edelsohn  <edelsohn@gnu.org>
2134
2135         * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
2136
2137         * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
2138         any prefix.
2139         (ASM_OUTPUT_LABELREF): Delete.
2140
2141 2001-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2142
2143         * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
2144         strict_ansi_only): Don't run if stdc_0_in_system_headers.
2145         * fixinc/fixincl.x: Regenerate.
2146         * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
2147         (FIX_TEST_TABLE): Declare it.
2148         * fixinc/fixlib.h: Include config.h.
2149
2150 2001-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2151
2152         * fixinc/inclhack.def (alpha___assert): Change char * args to
2153         const char * on Tru64 UNIX to avoid excessive warnings from
2154         assert.h.
2155         * fixinc/fixincl.x: Regenerate.
2156
2157 2001-05-25  Geoff Keating  <geoffk@redhat.com>
2158
2159         * dbxout.c (dbxout_symbol): Invert previous patch, which was
2160         outputting a tag only for variable-size records.
2161
2162 2001-05-25  Jeff Knaggs  <jknaggs@redhat.com>
2163
2164         * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
2165         instead of rtx_equal_p for early clobber test.
2166
2167 2001-05-26  Mark Mitchell <mark@codesourcery.com>
2168
2169         * builtins.def: Encode additional information, such as names and
2170         types, here.
2171         * builtin-types.def: New file.
2172         * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
2173         (built_in_decls): Likewise.  Don't explicitly initialize global
2174         data to NULL.
2175         (expand_builtin_mathfn): Handle float and long double variants of
2176         math builtins.
2177         (expand_builtin): Likewise.
2178         * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
2179         (expand_tree_builtin): Handle long, long long, float, and long
2180         double variants of math functions.
2181         * c-common.h (c_tree_index): Remove some unused nodes.
2182         (void_ftype): Remove.
2183         (void_type_ptr): Likewise.
2184         (int_ftype_int): Likewise.
2185         (ptr_ftype_sizetype): Likewise.
2186         * c-decl.c (init_decl_processing): Remove creation of DWARF
2187         builtins.
2188         * defaults.h (MD_INIT_BUILTINS): Provide default definition.
2189         * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
2190         * Makefile.in (c-common.o): Depend on builtin-types.def.
2191
2192 2001-05-25  Dale Johannesen  <dalej@apple.com>
2193
2194         * config/rs6000/t-darwin: Fix dependencies for darwin.o.
2195
2196 2001-05-25  Neil Booth  <neil@daikokuya.demon.co.uk>
2197
2198         * c-parse.in (notype_initdcl): Remove redundant line.
2199
2200 2001-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2201
2202         * aclocal.m4: Fixed typo.
2203         (gcc_AC_HEADER_STDBOOL): Define.
2204         (gcc_AC_C__BOOL): Define.
2205         * configure.in: Use them.
2206         (AC_CHECK_HEADERS): Remove stdbool.h
2207         * configure, config.in: Regenerate.
2208
2209 2001-05-25  Richard Henderson  <rth@redhat.com>
2210
2211         * function.c (expand_function_start): Don't abort on PARALLEL
2212         returns from hard_function_value.
2213
2214 2001-05-25  Richard Henderson  <rth@redhat.com>
2215
2216         * config/i386/i386.md: Revert previous change.  Do not apply
2217         the peephole if the components do not die after the sequence.
2218
2219 2001-05-25  Joseph S. Myers  <jsm28@cam.ac.uk>
2220
2221         * c-parse.in (array_declarator): New.  Handle C99 constructs.
2222         Don't restrict [*] declarators to C only.
2223         (after_type_declarator, parm_declarator_starttypename,
2224         parm_declarator_nostarttypename, notype_declarator,
2225         direct_absdcl1): Use it.
2226         * c-decl.c (build_array_declarator, set_array_declarator_type):
2227         New functions.  Warn that [*] isn't properly implemented; pedwarn
2228         for [*] outside C99 mode if pedantic rather than giving a hard
2229         error.
2230         (grokdeclarator): Handle static and type qualifiers in parameter
2231         array declarators.
2232         * c-tree.h (build_array_declarator, set_array_declarator_type):
2233         Declare.
2234         * extend.texi (Attribute Syntax): Document attributes in parameter
2235         array declarators.
2236
2237 2001-05-25  Mark Mitchell  <mark@codesourcery.com>
2238
2239         * config/i386/i386.md: Make sure cmpstr peepholes do not
2240         affect liveness information.
2241
2242 2001-05-24  Mark Mitchell  <mark@codesourcery.com>
2243
2244         * c-typeck.c (digest_init): Issue error messages about
2245         invalid constants, not warnings.
2246
2247 2001-05-24  Mark Mitchell  <mark@codesourcery.com>
2248
2249         * invoke.texi (-fno-builtin): Document that this is always on
2250         in C++.
2251
2252 2001-05-24  Philip Blundell  <philb@gnu.org>
2253
2254         * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
2255         required.
2256
2257 2001-05-24  Philip Blundell  <philb@gnu.org>
2258
2259         * config/arm/arm.c (output_return_instruction): Correctly handle
2260         interworking and interrupt functions.
2261
2262 2001-05-24  Philip Blundell  <philb@gnu.org>
2263
2264         * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
2265         -m{no-}sched-prolog.  Fix typos and improve formatting.
2266
2267 2001-05-24  Philip Blundell  <philb@gnu.org>
2268
2269         * invoke.texi (ARM Options): Improve wording slightly.  Add
2270         documentation for more options, including those for Thumb mode.
2271         Don't mention options that don't exist or are unimplemented.
2272         (Thumb Options): Delete; merged into above section.
2273
2274 2001-05-24  Geoff Keating  <geoffk@redhat.com>
2275
2276         * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
2277         (MD_FALLBACK_FRAME_STATE_FOR): Use it.
2278
2279 Thu May 24 19:47:19 CEST 2001  Jan Hubicka  <jh@suse.cz>
2280
2281         * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
2282         fix hard register simplification.
2283
2284 Thu May 24 00:15:17 2001  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2285
2286         * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
2287         of just copying CPP_CPU_SPEC.
2288
2289 Thu May 24 15:56:48 CEST 2001  Jan Hubicka  <jh@suse.cz>
2290
2291         * i386.c (incdec_operand): Accept only 1 and -1.
2292
2293 2001-05-23  Kelley Cook  <kelley.cook@home.com>
2294
2295         * Makefile.in: Move many of the *_H definitions eariler in the
2296         file, so that rules in t-* files that use them for
2297         dependencies will work in a parallel build.
2298         * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
2299
2300 2001-05-23  Richard Henderson <rth@redhat.com>
2301
2302         * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
2303
2304 2001-05-23  Neil Booth  <neil@daikokuya.demon.co.uk>
2305
2306         * cpp.texi: Update for handling of charconsts.
2307         * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF.  Update
2308         diagnostics.  Skip to the end if the UCS is too short.
2309         (cpp_interpret_charconst): Long charconsts issue a warning
2310         not an error.
2311
2312 2001-05-23  Richard Henderson  <rth@redhat.com>
2313
2314         * doc/install.texi (alpha-linux): Require binutils 2.11.
2315
2316 2001-05-23  Neil Booth  <neil@daikokuya.demon.co.uk>
2317
2318         * c-lex.c (read_escape, read_ucs): Delete.
2319         (lex_string): Use cpp_parse_escape.
2320         * cpplex.c (read_ucs): Rename maybe_read_ucs.  Do nothing
2321         if not C++ or not C99.  Warn if traditional.
2322         (parse_escape): Rename cpp_parse_escape.  Make the bitmask
2323         unsigned.  Warn for out-of-range escape sequences here.
2324         Update to use maybe_read_ucs.
2325         (cpp_interpret_charconst):  Don't warn here.
2326         * cpplib.h (cpp_parse_escape): New exported function.
2327
2328 2001-05-23  Joseph S. Myers  <jsm28@cam.ac.uk>
2329
2330         * extend.texi (Attribute Syntax): Clarify application of
2331         attributes to parameters declared as functions or arrays.
2332
2333 2001-05-23  Jason Merrill  <jason_merrill@redhat.com>
2334
2335         * dbxout.c (dbxout_type_methods): Do still group methods by name.
2336
2337 2001-05-23  Zack Weinberg  <zackw@stanford.edu>
2338
2339         * diagnostic.c (vnotice): Kill.
2340         (fnotice): Call vfprintf directly.
2341         (diagnostic_for_decl, output_do_verbatim, output_verbatim,
2342         verbatim, set_diagnostic_context): Rename string argument to
2343         indicate that it is run through gettext.
2344         (vbuild_message_string, build_message_string, output_do_printf):
2345         Rename string argument to indicate that it is NOT run through
2346         gettext.
2347         (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
2348         output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
2349         Run msgid argument through gettext.
2350         (default_print_error_function): Run constant strings through
2351         gettext when nothing else will.
2352         (fatal_error, internal_error, error_recursion): Use fnotice.
2353         Present complete sentences to gettext.
2354
2355 2001-05-23  Mark Mitchell  <mark@codesourcery.com>
2356
2357         * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
2358
2359 2001-05-23  Richard Henderson  <rth@redhat.com>
2360
2361         * function.c (expand_function_start): Always use a pseudo
2362         for the function result value.
2363
2364 2001-05-22  Richard Henderson  <rth@redhat.com>
2365
2366         * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
2367         section pointer alignment.
2368
2369         * doc/install.texi (alpha-linux): Require binutils >= 2.10.
2370
2371         * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
2372         of __USER_LABEL_PREFIX__.
2373
2374 2001-05-22  Richard Henderson  <rth@redhat.com>
2375
2376         * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
2377         (__deregister_frame_info_bases): New.
2378         * unwind-dw2-fde.h: Declare it.
2379         * libgcc-std.ver: Export it.
2380         * crtstuff.c (__do_global_dtors_aux): Call it if we would have
2381         called __register_frame_info_bases.
2382
2383 2001-05-22  Loren J. Rittle  <ljrittle@acm.org>
2384
2385         * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
2386         instead of #elif (which is OK for this case but not in general).
2387
2388 2001-05-22  Andrew MacLeod  <amacleod@redhat.com>
2389
2390         * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
2391         * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
2392         parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
2393         * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
2394         "r2" to the assembly file. Only issue allocs with non-zero parameters.
2395
2396 2001-05-22  Loren J. Rittle  <ljrittle@acm.org>
2397             David O'Brien  <obrien@freebsd.org>
2398
2399         * config/freebsd.h (LIB_SPEC): Key the exact setting to
2400         configure-time options and target version of FreeBSD.  Set-up
2401         to match architectural change in threading support.  Correctly
2402         report when -pthread option is not supported by configure-time
2403         options.
2404         (FBSD_CPP_PREDEFINES): Move from architecture-specific files
2405         and extend to encode target version number in run-time setting
2406         of __FreeBSD__ macro to match the system compiler.
2407         (CPP_PREDEFINES): Likewise.
2408         (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
2409
2410         * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
2411         * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
2412
2413 2001-05-22  Loren J. Rittle  <ljrittle@acm.org>
2414             David O'Brien  <obrien@freebsd.org>
2415
2416         * config.gcc (the unlabeled system switch statement): Add
2417         generic configuration section to handle *-*-freebsd*.  Also,
2418         to match the system compiler, default to threading support (it
2419         may be disabled with the standard --disable-threads
2420         configuration-time switch).
2421         (i[34567]86-*-freebsd* in machine-specific section): Use it.
2422         (alpha*-*-freebsd* in machine-specific section): Likewise.
2423
2424         * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
2425         * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
2426         * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
2427         * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
2428         * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
2429
2430 2001-05-22  Loren J. Rittle  <ljrittle@acm.org>
2431             David O'Brien  <obrien@freebsd.org>
2432
2433         * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
2434         * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
2435         -pthread instead setting macro.
2436
2437 2001-05-22  Richard Henderson  <rth@redhat.com>
2438
2439         * crtstuff.c (__register_frame_info_bases): Declare.
2440         (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
2441         (__do_global_dtors_aux, __do_global_dtors): Streamline.
2442
2443         * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2444         (CRT_GET_RFIB_DATA): New.
2445         * config/i386/sysv4.h: Likewise.
2446         * config/i386/sco5.h: Likewise.
2447         (ASM_PREFERRED_EH_DATA_FORMAT): New.
2448
2449 2001-05-22  Richard Henderson  <rth@redhat.com>
2450
2451         * rtl.c (read_string): Break out from ...
2452         (read_rtx): ... here.
2453
2454 2001-05-22  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
2455
2456         * doc/install.texi (Specific): Remove a bogus and duplicate part
2457         copied from the end of the document.
2458
2459 2001-05-22  Bernd Schmidt  <bernds@redhat.com>
2460
2461         * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
2462
2463 2001-05-22  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
2464
2465         * install.texi: Remove obsolete information on SunOS as well as
2466         i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
2467         (Installing GNU CC on the Sun): Remove section.
2468
2469 2001-05-22  Alexandre Oliva  <aoliva@redhat.com>
2470
2471         * cppfiles.c (remove_component_p): Don't assume lstat/stat will
2472         keep errno unchanged on success.
2473
2474 2001-05-22  Joseph S. Myers  <jsm28@cam.ac.uk>
2475
2476         * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
2477         once for hexadecimal floats, whether or not they contain a decimal
2478         point.  Don't let the setting of pedantic otherwise affect the
2479         parsing of hexadecimal floats.
2480
2481 2001-05-22  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
2482
2483         * README.ACORN: Remove obsolete file.
2484
2485 2001-05-22  Jan Hubicka  <jh@suse.cz>
2486
2487         * combine.c (gen_binary): Use swap_commutative_operands_p
2488         (simplify_comparison): Likewise.
2489         * expmed.c (emit_store_flag): Likewise.
2490         * expr.c (compare_from_rtx): Likewise.
2491         (do_compare_rtx_and_jump): Likewise.
2492         * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
2493         if not emitting a branch and operands want swapping.
2494
2495 2001-05-22  Neil Booth  <neil@daikokuya.demon.co.uk>
2496
2497         * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
2498         * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
2499         (maybe_get_identifier): Update.
2500         * tree.h (make_identifier): Delete.
2501
2502 2001-05-21  Richard Henderson  <rth@redhat.com>
2503
2504         * combine.c (subst): Do not substitute for a register as
2505         a destination subreg/strict_low_part/zero_extract.
2506
2507         * combine.c (simplify_comparison): Update op1 after constant
2508         extension.
2509         * recog.c (const_int_operand): Accept only constants valid
2510         for the given mode.
2511         * genrecog.c: Update comments wrt const_int_operand.
2512
2513         * emit-rtl.c (init_emit_once): Zero unused memory in a
2514         CONST_DOUBLE.
2515
2516 2001-05-21  Mark Mitchell  <mark@codesourcery.com>
2517
2518         * tree.h (type_num_arguments): Declare it.
2519         * tree.c (type_num_arguments): New function.
2520
2521 2001-05-21  Richard Henderson  <rth@redhat.com>
2522
2523         * dwarf2out.c (current_funcdef_number): Move outside dwarf2
2524         conditional ifdef.
2525
2526 2001-05-21  Geoff Keating  <geoffk@redhat.com>
2527
2528         * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
2529         (maxsf3+1): Delete.
2530         (minsf3): Use rs6000_emit_minmax.
2531         (minsf3+1): Generalize to handle both SMIN and SMAX.  Use
2532         rs6000_emit_minmax.
2533         (movsfcc): Use rs6000_emit_cmove.
2534         (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
2535         Don't generate emit_fselsfsf4.
2536         (fseldfsf4): Likewise.
2537         (maxdf3): Use rs6000_emit_minmax.
2538         (maxdf3+1): Delete.
2539         (mindf3): Use rs6000_emit_minmax.
2540         (mindf3+1): Generalize to handle both SMIN and SMAX.  Use
2541         rs6000_emit_minmax.
2542         (movdfcc): Use rs6000_emit_cmove.
2543         (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
2544         Don't generate emit_fselsfsf4.
2545         (fselsfdf4): Likewise.
2546         * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
2547         (min_max_operator): New predicate.
2548         (rs6000_emit_cmove): New function.
2549         (rs6000_emit_minmax): New function.
2550         * config/rs6000/rs6000-protos.h: Prototype new functions.
2551         * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
2552         and min_max_operator.
2553
2554         * config/rs6000/rs6000.c (output_cbranch): Handle all
2555         conditional types in the switch statement.
2556
2557 2001-05-21  Mark Mitchell  <mark@codesourcery.com>
2558
2559         * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
2560         non-register variables.
2561         * extend.texi: Document that asm-specifications do not make sense
2562         for non-static local variables.
2563
2564 2001-05-21  Jason Merrill  <jason_merrill@redhat.com>
2565
2566         * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
2567         (dbxout_type_fields): Lose minimal_debug support.
2568         (dbxout_type_methods, dbxout_type): Likewise.
2569
2570 2001-05-17  Andrew Haley  <aph@redhat.com>
2571
2572         * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2573
2574 2001-05-21  Richard Henderson  <rth@redhat.com>
2575
2576         * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
2577         Update all users.
2578
2579 2001-05-20  Richard Henderson  <rth@redhat.com>
2580
2581         * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2582         DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
2583         DEBUG_STR_SECTION): Rename from s/DEBUG_//.  Update all users.
2584         * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2585         DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
2586         Likewise.
2587         * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2588         DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
2589         DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
2590         (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2591         * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2592         DEBUG_PUBNAMES_SECTION): Rename as above.
2593         (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2594
2595 2001-05-20  Richard Henderson  <rth@redhat.com>
2596
2597         * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
2598         operands unless the operation is commutative.
2599
2600 2001-05-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2601
2602         * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
2603         cases.
2604
2605 2001-05-21  Joseph S. Myers  <jsm28@cam.ac.uk>
2606
2607         * extend.texi: Clarify documentation of extensions included in ISO
2608         C99.  Prefer C99 terminology and syntax to old GNU terminology and
2609         syntax.  Add more index entries.  Document mixed declarations and
2610         code as an extension in C89 mode.  Warn about future changes to
2611         semantics of inline functions.  Fixes PR other/930.
2612
2613 Sun May 20 16:39:24 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2614
2615         * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
2616         access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2617         (expand_expr, case COMPONENT_REF): Do copy if misaligned even
2618         if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2619
2620         * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
2621
2622 2001-05-20  Richard Henderson  <rth@redhat.com>
2623
2624         * sched-deps.c (sched_analyze_insn): Force volatile memory reads
2625         to be output before a branch.
2626
2627 2001-05-20  Richard Henderson  <rth@redhat.com>
2628
2629         * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
2630
2631 2001-05-20  Richard Henderson  <rth@redhat.com>
2632
2633         * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
2634         (ASM_DOUBLE): Remove.
2635         * config/i386/bsd.h, config/i386/sco5.h: Likewise.
2636         * config/i386/sun386.h: Likewise.
2637
2638         * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
2639         (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
2640
2641         * config/i386/cygwin.h (INT_ASM_OP): Remove.
2642         * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
2643         * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
2644         * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
2645
2646         * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
2647         * config/i386/djgpp.h, config/i386/i386.h: Likewise.
2648         * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
2649         * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
2650         * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
2651         * config/i386/win32.h: Likewise.
2652
2653 2001-05-20  Joseph S. Myers  <jsm28@cam.ac.uk>
2654
2655         * invoke.texi: Add more options to summary list.
2656
2657 2001-05-20  Joseph S. Myers  <jsm28@cam.ac.uk>
2658
2659         * invoke.texi: Document meaning of -pedantic when -std=gnu* is
2660         used.  Fixes PR c/2291.
2661         * gcc.1: Regenerate.
2662
2663 2001-05-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
2664
2665         * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
2666         the -fpic and -fPIC options, clear flag_pic.
2667
2668 2001-05-20  Neil Booth  <neil@daikokuya.demon.co.uk>
2669
2670         * hashtable.c (calc_hash): Fix HASHSTEP definition.
2671         * stringpool.c (make_identifier): No statistics here anymore.
2672         * objc-act.c (steup_string_decl): Remove redundant check.
2673
2674 2001-05-20  Neil Booth  <neil@daikokuya.demon.co.uk>
2675
2676         * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
2677         cpplib.o, cpphash.o, fix-header): Update.
2678         (hashtable.o): New target.
2679         * c-common.h: Include cpplib.h.  Define C_RID_CODE and
2680         struct c_common_identifier here.
2681         * c-lang.c (c_init_options): Update.  Call set_identifier_size.
2682         * c-lex.c (c_lex): Update.
2683         * c-pragma.h: Update.
2684         * c-tree.h (struct lang_identifier): Contain c_common_identifier.
2685         Delete rid_code.
2686         (C_RID_CODE): Delete.
2687         * cpphash.c: Rewrite to use hashtable.c.
2688         * cpphash.h: Update include guards.
2689         (struct cpp_reader): Remove hashtab.
2690         hash_ob and buffer_ob are no longer pointers.  Add hash_table
2691         and our_hashtable.
2692         (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
2693         (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
2694         (_cpp_cleanup_stacks): Rename _cpp_init_directives.
2695         * cppinit.c (cpp_create_reader): Update.
2696         * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
2697         (cpp_interpret_charconst): Eliminate warning.
2698         * cpplib.c (do_pragma, do_endif, push_conditional,
2699         cpp_push_buffer, cpp_pop_buffer): Update.
2700         (_cpp_init_stacks): Rename cpp_init_directives.
2701         (_cpp_cleanup_stacks): Remove.
2702         * cpplib.h: Update include guards.  Include tree-core.h and c-rid.h.
2703         (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
2704          cpp_forall_identifiers, cpp_create_reader): Update.
2705         (C_RID_CODE, cpp_make_node): New.
2706         (c_common_identifier): New identifier node for C front ends.
2707         * cppmain.c (main): Update.
2708         * fix-header.c (read_scan_file): Update.
2709         * flags.h (id_clash_len): Make unsigned.
2710         * ggc.h (ggc_mark_nonnull_tree): New.
2711         * hashtable.c: New.
2712         * hashtable.h: New.
2713         * stringpool.c: Update comments and copyright.  Update to use
2714         hashtable.c.
2715         * toplev.c (approx_sqrt): Move to hashtable.c.
2716         (id_clash_len): Make unsigned.
2717         * toplev.h (ident_hash): New.
2718         * tree.c (gcc_obstack_init): Move to hashtable.c.
2719         * tree.h: Include hashtable.h.
2720         (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
2721         (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
2722         (struct tree_identifier): Update.
2723         (make_identifier): New.
2724 cp:
2725         * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
2726         (C_RID_CODE): Remove.
2727         * lex.c (cxx_init_options): Call set_identifier_size.  Update.
2728         (init_parse): Don't do it here.
2729 objc:
2730         * objc-act.c (objc_init_options): Call set_identifier_size. Update.
2731
2732 Sat May 19 18:23:04 2001  Richard Henderson <rth@redhat.com>
2733
2734         * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
2735         as ncessary.
2736         (expand_eh_return): Convert between word_mode and Pmode.
2737         * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
2738         are the same size.
2739         (execute_stack_op): Likewise.
2740         (execute_cfa_program): Likewise.
2741         (uw_frame_state_for): Likewise.
2742         (uw_update_context_1): Likewise.
2743         * unwind.inc (_Unwind_Reason_Code): Likewise.
2744         * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
2745         (EH_RETURN_STACKADJ_RTX): Likewise.
2746         * config/mips/mips.c (compute_frame_size): Make space for saving
2747         EH return registers.
2748         (mips_expand_epilogue): Handle EH stack adjustments.
2749         * config/mips/mips.md (eh_return): New pattern.
2750         (eh_set_lr_si): Likewise.
2751         (eh_set_lr_di): Likewise.
2752         Add splitter to perform EH return after reload.
2753
2754 2001-05-19  Mark Mitchell  <mark@codesourcery.com>
2755
2756         * jump.c (mark_jump_label): Tidy previous change.
2757
2758 2001-05-19  Bruce Korb  <bkorb@gnu.org>
2759
2760         * fixinc/genfixes: no need for two warnings
2761         * fixinc/Makefile.in: open stdin for those building with a closed one.
2762
2763 2001-05-19  Mark Mitchell  <mark@codesourcery.com>
2764
2765         * jump.c (jump_optimize_1): Tidy.
2766         (mark_jump_label): When changing the label in a LABEL_REF, change
2767         update any REG_EQUAL notes as well.
2768
2769 2001-05-19  Joseph S. Myers  <jsm28@cam.ac.uk>
2770
2771         * c-parse.in (parm_declarator): Split into
2772         parm_declarator_starttypename and parm_declarator_nostarttypename.
2773         (parm_declarator_starttypename, parm_declarator_nostarttypename):
2774         New.  Allow parenthesised sub-declarators which don't begin with a
2775         TYPENAME.  Fixes PR c/166.
2776
2777 2001-05-19  Mark Mitchell  <mark@codesourcery.com>
2778
2779         * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
2780         macro.
2781         * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2782         Document it.
2783         * toplev.c (main): If the target does not allow profiling without
2784         a frame pointer, issue an error message.
2785         * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2786         Define it to false.
2787
2788 Sat May 19 07:53:42 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2789
2790         * recog.c (general_operand): Modify last change to allow it if reload
2791         has completed.
2792
2793 Sat May 19 10:23:54 CEST 2001  Jan Hubicka  <jh@suse.cz>
2794
2795         * recog.c (general_operand): Prohibit nonzero subreg bytes on
2796         subregs containing mem.
2797
2798 Sat May 19 09:40:45 2001  Denis Chertykov  <denisc@overta.ru>
2799
2800         * regrename.c (regrename_optimize): frame pointer register can
2801         use a few hardregs.
2802
2803 2001-05-18  Jason Merrill  <jason_merrill@redhat.com>
2804
2805         * README.DWARF: Move into dwarfout.c.
2806
2807 2001-05-18  Dale Johannesen  <dalej@apple.com>
2808
2809         * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
2810         specific misuse of r0 as a reload address.
2811
2812 Fri May 18 22:42:04 CEST 2001  Jan Hubicka  <jh@suse.cz>
2813
2814         * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
2815         suceeded.
2816
2817 Fri May 18 07:26:34 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2818
2819         * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
2820         (add_to_sequence): Make that decision type.
2821         (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
2822         (write_switch, write_cond, debug_decision_2): Likewise.
2823
2824         * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
2825         for INTEGER_TYPE.
2826         (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
2827         variable size.
2828
2829 2001-05-18  Stan Shebs  <shebs@apple.com>
2830
2831         * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
2832         * configure: Regenerate.
2833
2834 2001-05-18  Per Bothner  <per@bothner.com>
2835
2836         Changes needed for java/jvspec.c
2837         * gcc.h (n_infiles, outfiles):  Add declarations.
2838         * gcc.c (n_infiles, outfiles):  Mske no longer static.
2839
2840 Fri May 18 10:14:42 2001  Jeffrey A Law  (law@cygnus.com)
2841
2842         * config/pa/som.h (EXCEPTION_SECTION): Define.
2843
2844 2001-05-18  Daniel Berlin  <dan@cgsoftware.com>
2845
2846         * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
2847         list.
2848         Add have_location_lists, a variable to determine whether we need a
2849         .debug_loc section or not.
2850         (enum dw_val_class): Add dw_val_class_loc_list.
2851         (dw_val_struct): Add val_loc_list.
2852         (dw_loc_list_struct): New structure, represents location lists.
2853         (new_loc_list): New function, return a new location list, given
2854         the range and location expression.
2855         (add_loc_descr_to_loc_list): New function, add a location
2856         expression to a location list, given the expression and range.
2857         (output_loc_list): New function, output a location list.
2858         (gen_internal_sym): Modified to take symbol prefix, so we can
2859         reuse it for location list symbols.
2860         (add_AT_loc_list): New function, add a location list to a DIE at
2861         the named attribute.
2862         (AT_loc_list): New function, return the location list reference
2863         for a given attribute, if it's a location list.
2864         (print_die): Handle dw_val_class_loc_list.
2865         (size_of_die): Ditto.
2866         (value_format): Ditto.
2867         (output_die): Ditto.
2868         (output_location_lists): New function, output all of the location
2869         lists for a DIE and it's children.
2870         (dwarf2out_finish): Call output_location_lists if we have location
2871         lists.
2872
2873
2874 Fri May 18 15:39:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
2875
2876         * gcse.c (try_replace_reg): First try global replace, later try to
2877         simplify the expression.
2878
2879         * gcse.c (find_used_regs): Change calling convention; work via
2880         note_uses.
2881         (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
2882
2883 2001-05-18  Bernd Schmidt  <bernds@redhat.com>
2884
2885         Revert
2886         2001-02-09  Nick Clifton  <nickc@redhat.com>
2887         * config/arm/arm.md: Change output constraint on post inc
2888         load/store multiple patterns to be a read/write constraint.
2889
2890 2001-05-18  Mark Mitchell  <mark@codesourcery.com>
2891
2892         * basic-block.h (struct basic_block_def): Add documentation about
2893         what a basic block is, and what the various fields are used for.
2894         * flow.c (calculate_globlal_regs_live): Add documentation about
2895         how the algorithm works, and how we know that it will terminate.
2896         Check that the the inductive assumption that guarantees
2897         termination actually holds.
2898         (mark_used_regs): Treat conditionally set registers as used.
2899         (debug_regset): Add comment.
2900         * rtl.texi (cond_exec): Add documentation.
2901
2902         * function.c (expand_function_start): Avoid creating BLKmode
2903         pseudos.
2904
2905 2001-05-17  Mark Mitchell  <mark@codesourcery.com>
2906
2907         * dwarf2out.c (output_comp_unit): Always output a compilation-unit
2908         DIE, even if it has no children.
2909         (dwarf2out_finish): Always output the line-number table, even if
2910         it has no content.
2911
2912 2001-05-18  David Edelsohn  <edelsohn@gnu.org>
2913
2914         * rs6000.md (movsfcc,movdfcc): Remove NE case.
2915
2916 2001-05-17  Bruce Korb <bkorb@gnu.org>
2917
2918         * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
2919         * fixinc/genfixes: emit a warning if AutoGen is out of date
2920
2921 2001-05-17  Brendan Conoboy <blc@cygnus.com>
2922             Bruce Korb <bkorb@gnu.org>
2923
2924         * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
2925         found in fixinc directory.  Facilitates binary distributions.
2926
2927 2001-05-17  Jeffrey Oldham  <oldham@codesourcery.com>
2928
2929         * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
2930         COMPLEX_TYPE.
2931
2932 Thu May 17 19:42:39 2001  Mark Kettenis  <kettenis@wins.uva.nl>
2933
2934         * dwarf2out.c (modified_type_die): Equate qualified type to die.
2935
2936 Thu May 17 23:19:46 CEST 2001  Jan Hubicka  <jh@suse.cz>
2937
2938         * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
2939         (simplify_subreg): Handle complex types represented as CONCAT.
2940
2941         * recog.c (validate_replace_rtx_1): Properly canonicalize expression
2942         * rtl.h (swap_commutative_operands_p): Declare.
2943         * rtlanal.c (swap_commutative_operands_p): New.
2944         (operand_preference): New static function.
2945
2946         * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
2947         (gen_binary): Likewise.
2948         * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
2949         * simplify-rtx.c (simplify_gen_binary,
2950         simplify_gen_relational): Likewise.
2951
2952 Thu May 17 20:43:36 CEST 2001  Jan Hubicka  <jh@suse.cz>
2953
2954         * cse.c (fold_rtx): Use simplify_subreg.
2955
2956         * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
2957         (simplify_gen_subreg): New.
2958         (simplify_rtx): Use simplify_subreg.
2959         * rtl.h (simplify_gen_subreg): Declare.
2960
2961 2001-05-17  Mark Mitchell  <mark@codesourcery.com>
2962
2963         * doc/install.texi: Update Solaris information.
2964
2965         * except.h (protect_cleanup_actions): Remove it.
2966         (lang_protect_cleanup_actions): Declare it.
2967         * except.c (protect_cleanup_actions): Remove it.
2968         (lang_protect_cleanup_actions): New variable.
2969         (init_eh): Don't make protect_cleanup_actions a GC root.
2970         (expand_eh_region_and_cleanup): Call
2971         lang_protect_cleanup_actions.
2972         (output_function_exception_table): Remove unused `align'
2973         variable.
2974         * varasm.c (assemble_external): Abort if we have not yet
2975         opened the assembly output file.
2976
2977 Thu May 17 11:54:50 2001  Jeffrey A Law  (law@cygnus.com)
2978
2979         * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
2980         for eh_personality_libfunc.
2981
2982 Thu May 17 19:48:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
2983
2984         * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
2985         when calling simplify_subreg.  This is needed to allow replacing
2986         of expression of one mode by expression of different mode.
2987
2988 Thu May 17 19:40:03 CEST 2001  Jan Hubicka  <jh@suse.cz>
2989
2990         * simplify-rtx.c  (simplify_subreg): Avoid creating of incorrect subregs.
2991
2992 2001-05-17  Bernd Schmidt  <bernds@redhat.com>
2993
2994         * expr.c (protect_from_queue): Protect against subsequent calls to
2995         emit_queue.
2996         (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
2997         too clever.
2998
2999 Thu May 17 18:17:34 CEST 2001  Jan Hubicka  <jh@suse.cz>
3000
3001         * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
3002
3003 2001-05-17  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
3004
3005         * gccbug.in (CATEGORIES): Add "bootstrap".
3006
3007 Thu May 17 16:59:41 CEST 2001  Jan Hubicka  <jh@suse.cz>
3008
3009         * simplify-rtx.c (simplify_subreg): Break out from ...
3010         * combine.c (combine_splify_rtx) ... here and ...
3011         * recog.c (validate_replace_rtx_1): ... here;
3012         * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
3013         * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
3014         (subreg_lowpart_p): ... here.
3015
3016 2001-05-17  Bernd Schmidt  <bernds@redhat.com>
3017
3018         * stmt.c (expand_asm_operands): For inout operands, make sure
3019         the substitution of '=' for '+' makes it into the rtl.
3020
3021         * reload1.c (delete_output_reload): Call eliminate_regs on substed.
3022         (reload_as_needed): Call update_eliminable_offsets a bit later.
3023
3024 2001-05-17  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
3025
3026         * gcc.texi (gccbug): Refer to the web pages for detailed information
3027         on GNATS.
3028
3029 2001-05-16  Zack Weinberg  <zackw@stanford.edu>
3030
3031         * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
3032
3033         * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
3034         OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
3035         LIB1FUNCS, and LIB1FUNCS_EXTRA.  Delete rules: libgcc1-test,
3036         libgcc1-test.o.  Clarify commentary now that libgcc1 no longer exists.
3037         * cross-make: Don't set LIBGCC1.
3038         * mklibgcc.in: Delete all code for building from libgcc1.c.
3039         Always honor LIB1ASMFUNCS if set.
3040
3041         * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
3042         config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
3043         config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
3044         config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
3045         config/i386/uwin.asm, config/m68hc11/larith.asm,
3046         config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
3047         config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
3048         config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
3049         config/v850/lib1funcs.asm, config/c4x/libgcc.S:
3050         Delete or update references to libgcc1 in commentary.
3051
3052         * config/t-libc-ok, config/t-linux, config/t-linux-aout,
3053         config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
3054         config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
3055         config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
3056         config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
3057         config/arm/t-semi, config/arm/t-strongarm-coff,
3058         config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
3059         config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
3060         config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
3061         config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
3062         config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
3063         config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
3064         config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
3065         config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
3066         config/m68k/t-m68kbare, config/m68k/t-m68kelf,
3067         config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
3068         config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
3069         config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
3070         config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
3071         config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
3072         config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
3073         config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
3074         config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
3075         config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
3076         config/mips/t-ultrix, config/mn10200/t-mn10200,
3077         config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
3078         config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
3079         config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
3080         config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
3081         config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
3082         config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
3083         config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
3084         config/sparc/t-sparclite, config/sparc/t-splet,
3085         config/sparc/t-sunos41, config/sparc/t-vxsparc,
3086         config/sparc/t-vxsparc64, config/v850/t-v850:
3087         Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
3088
3089         * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
3090         Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
3091         * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
3092         FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
3093         nongcc_SI_type, nongcc_word_type, or perform_*
3094         * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
3095
3096         * config/i386/386bsd.h, config/i386/beos-elf.h,
3097         config/i386/linux-aout.h, config/i386/linux-oldld.h,
3098         config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
3099         config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
3100         Don't include i386/perform.h.
3101
3102         * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
3103         config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
3104         config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
3105         config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
3106         config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
3107         config/vax/t-openbsd, config/vax/t-vax: Delete.
3108
3109         * config.gcc: Remove references to deleted files.
3110         (arm-semi-aof): Use arm/t-semi for tmake_file.
3111
3112         * gcc.texi, install.texi, invoke.texi, tm.texi:
3113         Delete or rewrite text which is no longer relevant now that
3114         libgcc1 no longer exists.
3115
3116         * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
3117         No need to set INSTALL_ASSERT_H.  (Missed in previous sweep.)
3118
3119 2001-05-16  Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
3120         Bruce Korb <bkorb@gnu.org>
3121
3122         * fixinc/inclhack.def(solaris27_mutex_init):  Fix broken mutex
3123         initializer
3124
3125 2001-05-16  Zack Weinberg  <zackw@stanford.edu>
3126
3127         * i386.md: Add two peepholes to clean up code generated by
3128         cmpstr* expanders.
3129
3130 2001-05-16  Richard Henderson  <rth@redhat.com>
3131
3132         * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
3133         variants of non-absolute encodings.
3134
3135         * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3136
3137         * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
3138         __register_frame_info_table_bases): Export.
3139
3140 2001-05-16  Richard Henderson  <rth@redhat.com>
3141
3142         * except.c (eh_data_format_name): Move to ...
3143         * dwarf2asm.c: ... here.  Use designated initializers if available.
3144         (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
3145         * dwarf2asm.h: Update declarations.
3146         * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
3147         ASM_PREFERRED_EH_DATA_FORMAT.
3148         (output_call_frame_info): Likewise.  Use 'L' augmentation for
3149         the LSDA encoding.
3150
3151         * unwind-dw2-fde.h (struct fde_vector): New.
3152         (struct old_object): Rename from struct object.
3153         (struct object): New.
3154         (__register_frame_info_bases): Declare.
3155         (__register_frame_info_table_bases): Declare.
3156         (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
3157         * unwind-dw2-fde.c (objects): Remove.
3158         (unseen_objects, seen_objects): New.
3159         (__register_frame_info_bases): New.
3160         (__register_frame_info): Use it.
3161         (__register_frame_info_table_bases): New.
3162         (__register_frame_info_table): Use it.
3163         (__deregister_frame_info): Rewrite for changed object struct.
3164         (base_from_object, get_cie_encoding, get_fde_encoding): New.
3165         (fde_unencoded_compare): Rename from fde_compare; uninline.
3166         (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
3167         (start_fde_sort): Adjust for new definition of fde_vector.
3168         (fde_insert): Likewise.
3169         (end_fde_sort): Likewise.  Select comparison function based
3170         on properties of the object.
3171         (fde_split): Take object and fde_compare_t arguments.
3172         (frame_heapsort, fde_merge): Likewise.
3173         (classify_object_over_fdes): Rename from count_fdes.  Handle
3174         encoded pointers.  Collect encoding, mixed_encoding, and pc_begin
3175         for the object.
3176         (add_fdes): Handle encoded pointers.
3177         (init_object): Rename from frame_init.  Update for new struct object.
3178         (linear_search_fdes): Rename from search_fdes.  Handle encoded
3179         pointers.
3180         (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
3181         (binary_search_single_encoding_fdes): New.
3182         (binary_search_mixed_encoding_fdes): New.
3183         (search_object): New.
3184         (_Unwind_Find_FDE): Update for new struct object.  Fill in
3185         the dwarf_eh_bases.
3186         * unwind-dw2.c: Include unwind-pe.h.  Constify all pointers
3187         iterating over EH data.
3188         (_Unwind_FrameState): Remove saw_lsda, addr_encoding.  Add
3189         fde_encoding, lsda_encoding.
3190         (read_uleb128, read_sleb128): Remove.
3191         (read_encoded_pointer): Remove.  All callers use read_encoded_value.
3192         (extract_cie_info): Set lsda_encoding from 'L' augmentation.
3193         (uw_frame_state_for): Don't set bases.func.  Handle encoded fde
3194         pointers.
3195         * unwind-pe.h: Add "struct" to _Unwind_Context references.
3196
3197 2001-05-16  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
3198
3199         * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
3200         * cpphash.c (_cpp_lookup_with_hash): Similarly.
3201         * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
3202         cpp_spell_token, cpp_output_token): Similarly.
3203         * cpplib.c (lex_macro_node, do_undef, do_pragma,
3204         do_pragma_poison, parse_assertion, do_assert): Similarly.
3205         * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
3206         save_parameter, _cpp_create_definition, check_trad_stringification,
3207         cpp_macro_definition): Similarly.
3208         * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
3209         * c-lex.c (cb_undef, c_lex): Similarly.
3210         * fix-header.c (recognized_function): Similarly.
3211         * cpplib.h (NODE_LEN, NODE_NAME): New.
3212         (cpp_hashnode): Rename length len.
3213
3214 Wed May 16 13:41:10 2001  Jeffrey A Law  (law@cygnus.com)
3215
3216         * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
3217         GPRs.
3218
3219 2001-05-16  Andreas Jaeger  <aj@suse.de>
3220
3221         * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
3222
3223         * toplev.c: Include dwarf2asm.h for prototype of
3224         dw2_output_indirect_constants.
3225
3226 Wed May 16 19:53:53 CEST 2001  Jan Hubicka  <jh@suse.cz>
3227
3228         * stmt.c (expand_asm_operands): Be able to offload addressof
3229         expression to memory. (PR optimization/185)
3230
3231 Wed May 16 18:53:23 CEST 2001  Jan Hubicka  <jh@suse.cz>
3232
3233         * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
3234         applying distributive law.
3235
3236 2001-05-16  John David Anglin  <dave@hiauly1.hia.nrc.ca>
3237
3238         * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
3239
3240         * gthr-dce.h (UNUSED): Attribute unused macro.
3241         (__gthread_key_dtor): Make arguments UNUSED.
3242         (__gthread_key_delete): Revise for compatibility with DRAFT4
3243         implementation.
3244
3245 2001-05-16  David Edelsohn  <edelsohn@gnu.org>
3246
3247         * doc/install.texi: Update AIX information.
3248         * README.RS6000: Remove obsolete file.
3249
3250 2001-05-16  Jakub Jelinek  <jakub@redhat.com>
3251             Nathan Sidwell  <nathan@codesourcery.com>
3252
3253         * gcc.c (give_switch): Don't write before start of string.
3254         Always append suffix.
3255
3256 2001-05-16  Nathan Sidwell  <nathan@codesourcery.com>
3257
3258         * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
3259         after stage3.
3260
3261 2001-05-16  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
3262
3263         * README.ALTOS: Remove obsolete file.
3264
3265 2001-05-16  Neil Booth  <neil@daikokuya.demon.co.uk>
3266
3267         * c-lex.h (save_and_forget_protocol_qualifiers,
3268         forget_protocol_qualifiers, remember_protocol_qualifiers):
3269         Remove deleted functions' prototypes.
3270
3271 2001-05-16  Neil Booth  <neil@daikokuya.demon.co.uk>
3272
3273         * c-parse.in (methodtype): New production.
3274         (methoddef, methodproto): Collapse separate '-' and '+'
3275         handlers into 1.
3276
3277 2001-05-16  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
3278
3279         * c-common.h (RID_FIRST_PQ): New.
3280         * c-parse.in (objc_pq_context): New.
3281         (objc parser): Set objc_pq_context rather than calling
3282         remember_protocol_qualifiers and forget_protocol_qualifiers.
3283         Don't call save_and_forget_protocol_qualifiers.
3284         (yylexname): Handle objc protocol qualifiers here.
3285         * stringpool.c (struct str_header): Replace with sp_hashnode.
3286         (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
3287         (alloc_string): Rename alloc_ident.  Use the SP_ accessors.
3288         Allocate an IDENTIFIER_NODE for each identifier.
3289         (FORALL_STRINGS, set_identifier): Delete.
3290         (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
3291         (ggc_alloc_string): Use an obstack.
3292         (get_identifier, maybe_get_identifier, mark_string_hash): Update.
3293         * tree.h: Update comments.
3294         (set_identifier): Delete.
3295         * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
3296         save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
3297         remember_protocol_qualifiers): Delete.
3298
3299 Tue May 15 22:14:09 2001  Jeffrey A Law  (law@cygnus.com)
3300
3301         * flow.c (life_analysis): After life analysis is complete, do
3302         an optional scan over insns looking for REG_LABEL notes that
3303         reference a deleted label.
3304         (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
3305         before peeking at LABEL_NUSES.
3306
3307 2001-05-15  Richard Henderson  <rth@redhat.com>
3308
3309         * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
3310         (_Unwind_GetTextRelBase): New.
3311
3312 2001-05-15  Mark Mitchell  <mark@codesourcery.com>
3313
3314         * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
3315
3316 2001-05-15  Geoffrey Keating  <geoffk@redhat.com>
3317
3318         * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
3319         so that CHOOSE_SECTION gets used.
3320
3321         * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
3322         TARGET_RELOCATABLE like flag_pic for now.
3323
3324 2001-05-15  David Edelsohn  <edelsohn@gnu.org>
3325
3326         * rs6000.md (movdi splitter): Sign extend more efficiently.
3327         * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
3328         to "long long" valid on 32-bit and 64-bit hosts.
3329         (logical_operand): Cast trunc_int_for_mode return value.
3330         (rs6000_emit_move): Shift macro to encapsulate variable.
3331         (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
3332         (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
3333         plus_constant requires signed argument.
3334
3335 2001-05-15  Loren J. Rittle  <ljrittle@acm.org>
3336
3337         * gthr-posix.h: Make additional pthread-* functions weak.
3338
3339 Tue May 15 13:51:32 CEST 2001  Jan Hubicka  <jh@suse.cz>
3340
3341         * recog.c (apply_change_group): Avoid unneeded validating.
3342
3343 2001-05-14  David Edelsohn  <edelsohn@gnu.org>
3344
3345         * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
3346         (num_insns_constant): CONST_INT can be 64-bits.
3347
3348 2001-05-14  Stan Shebs  <shebs@apple.com>
3349
3350         * config/darwin.h (LIB_SPEC): Just use -lSystem.
3351         (LIBGCC_SPEC): Don't define.
3352
3353 2001-05-14  Richard Henderson  <rth@redhat.com>
3354
3355         * configure.in (gcc_cv_as_eh_frame): New test.
3356         * config.in, configure: Rebuild.
3357         * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
3358
3359 2001-05-14  Andrew MacLeod  <amacleod@redhat.com>
3360
3361         * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
3362         extended precision divide.
3363
3364 2001-05-14  Andrew MacLeod  <amacleod@redhat.com>
3365
3366         * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
3367         for RETURNS as well.
3368
3369 Mon May 14 17:34:48 CEST 2001  Jan Hubicka  <jh@suse.cz>
3370
3371         * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
3372         (CPP_CPU??_SIZE_TYPE): New.
3373         (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
3374         (CPP_CPU_SPEC): ... here; support choosing of CPU.
3375         (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
3376         (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
3377         compiler.
3378         * i386.c (override_options): Add sorry about not suported modes.
3379
3380 Mon May 14 08:56:47 2001  Jeffrey A Law  (law@cygnus.com)
3381
3382         * config/pa/som.h (NM_FLAGS): Remove.
3383         (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
3384         (ASM_OUTPUT_SECTION_NAME): Remove.
3385         (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
3386
3387 2001-05-14  Mark Mitchell  <mark@codesourcery.com>
3388
3389         * regrename.c (regrename_optimize): Do not rename registers to
3390         leaf registers.
3391
3392 2001-05-14  Alexandre Oliva  <aoliva@redhat.com>
3393
3394         * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
3395         contain MEMs.  Remove useless distinction about clobbering
3396         registers.
3397
3398 2001-05-13  Geoff Keating  <geoffk@redhat.com>
3399
3400         * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
3401         * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
3402         * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
3403         (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3404         (EXCEPTION_SECTION): Define.
3405
3406 2001-05-13  Zack Weinberg  <zackw@stanford.edu>
3407
3408         * libgcc2.c, libgcc2.h: Restore __eprintf.  Label as used for
3409         binary backward compat only.
3410         * Makefile.in (LIB2FUNCS_ST): New.  Put _eprintf here, not
3411         in LIB2FUNCS.  Pass it to mklibgcc.
3412         * mklibgcc.in: Handle LIB2FUNCS_ST.
3413
3414         * Makefile.in (installdirs): Don't create $(gcc_tooldir).
3415
3416 2001-05-13  Alexandre Oliva  <aoliva@redhat.com>
3417
3418         * tm.texi (THREAD_MODEL_SPEC): Document it.
3419         * gcc.c (main): Use it.
3420         * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
3421         * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
3422
3423 2001-05-13  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
3424
3425         * rtl.h (SYMBOL_REF_WEAK): New macro.
3426         * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
3427         * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
3428         * rtl.texi (SYMBOL_REF_WEAK): Document it.
3429         * gcc.texi: Remove wrong description.
3430
3431 2001-05-13  Mark Mitchell  <mark@codesourcery.com>
3432
3433         * Makefile.in (STAMP): New macro.
3434         Replace all uses of `touch' with $(STAMP).
3435         * fixinc/Makefile.in: Likewise.
3436
3437 Sun May 13 07:26:34 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3438
3439         * configure.in: ldopen is never in -lexc, so don't test for it.
3440         Add test for exc_resume in -lexc for Ada.
3441         * configure: Regenerated.
3442
3443 2001-05-12  Richard Henderson  <rth@redhat.com>
3444
3445         * dwarf2asm.c (size_of_encoded_value): New function.
3446         * dwarf2asm.h: Declare it.
3447         * except.c (output_function_exception_table): Align the TType
3448         array only as wide as the encoding.
3449
3450 2001-05-12  Zack Weinberg  <zackw@stanford.edu>
3451
3452         * extend.texi: Document #pragma GCC java_exceptions.
3453
3454 2001-05-12  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
3455
3456         * c-parse.in (bison parser, init_reswords): Remove uses of
3457         doing_objc_thang.
3458         * c-tree.h (doing_objc_thang): Remove.
3459
3460 2001-05-12  Neil Booth  <neil@daikokuya.demon.co.uk>
3461
3462         * cpplex.c (_cpp_lex_token): Ensure we warn at most once
3463         about files not ending in newlines.
3464
3465 2001-05-12  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
3466
3467         * dwarfout.c (dwarfout_init): Add cast.
3468         * sched-deps.c (sched_analyze_insn): Remove unused vars.
3469         * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
3470 cp:
3471         * method.c (build_mangled_C99_name): Remove unused prototype.
3472
3473 2001-05-12  Alexandre Oliva  <aoliva@redhat.com>
3474
3475         * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
3476
3477 2001-05-12  Alexandre Oliva  <aoliva@redhat.com>
3478
3479         * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
3480         * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
3481
3482 2001-05-11  Richard Henderson  <rth@redhat.com>
3483
3484         * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3485         * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
3486         dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
3487         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
3488         (dw2_output_indirect_constants): Prototype.
3489         * dwarf2out.c (dwarf2out_begin_prologue): Generate
3490         current_function_func_begin_label if we'll need it for EH.  Exit
3491         early for IA64_UNWIND_INFO.
3492         * except.c: Get DW_EH_PE_* defines from dwarf2.h.
3493         (eh_data_format_name): Update for indirect references.
3494         (output_function_exception_table): Care for IA64_UNWIND_INFO.
3495         Handle ASM_PREFERRED_EH_DATA_FORMAT.
3496         * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
3497         define HAVE_eh_return etc.
3498         * final.c (final_start_function): Always call dwarf2out_begin_prologue.
3499         (final_end_function): Don't call output_function_exception_table.
3500         * toplev.c (compile_file): Call dw2_output_indirect_constants.
3501         (rest_of_compilation): Invoke output_function_exception_table
3502         for ia64 before assemble_end_function.
3503         * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
3504         (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
3505
3506         * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
3507         * unwind.h: Declare them.
3508         * libgcc-std.ver: Export them.
3509         * unwind-pe.h: New file.
3510
3511         * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3512
3513         * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
3514         instead of "fde".
3515         (find_fde_for_dso): Extract DT_PLTGOT.
3516         (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
3517         the segment and gp as well.
3518         * config/ia64/frame-ia64.c: Remove file.
3519         * config/ia64/frame-ia64.h: Remove file.
3520         * config/ia64/unwind-ia64.c: New file.
3521         * config/ia64/unwind-ia64.h: New file.
3522         * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
3523         (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
3524         (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
3525         (ASM_PREFERRED_EH_DATA_FORMAT): New.
3526         (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
3527         (IA64_UNWIND_INFO): Re-enable.
3528         (HANDLER_SECTION): Remove.
3529         (EH_RETURN_DATA_REGNO): New.
3530         * config/ia64/ia64.md (exception_receiver): Remove.
3531         * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
3532         * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
3533
3534 2001-05-11  Richard Henderson  <rth@redhat.com>
3535
3536         * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
3537         calls and jumps to be bundled together.
3538         (ia64_reorg): Emit a break after a noreturn call that ends
3539         a function.
3540         * config/ia64/ia64.md (break_f): New.
3541
3542 2001-05-12  Neil Booth  <neil@daikokuya.demon.co.uk>
3543
3544         * c-lex.c (lex_charconst): Convert into a simple wrapper
3545         around cpp_interpret_charconst, to which most of the code
3546         body is moved.
3547         * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
3548         MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
3549         MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
3550         (lex): Use cpp_interpret_charconst.
3551         * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
3552         hex_digit_value): New functions.
3553         (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
3554         * cpplib.h (cpp_interpret_charconst): New prototype.
3555         * Makefile.in: Update.
3556
3557 2001-05-12  Dean Wakerley  <dean@wakerley.com>
3558
3559         * doc/install.texi: New file. Converted to texinfo from the HTML
3560         documentation in wwwdocs/htdocs/install.
3561
3562 Fri May 11 15:50:13 2001  Jeffrey A Law  (law@cygnus.com)
3563
3564         * gcse.c (insert_insn_end_bb): Do not search for assignments to
3565         non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3566
3567         * toplev.c (compile_file): Move comment for opening output
3568         file to just before the code that opens the output file.
3569
3570 2001-05-11  Jakub Jelinek  <jakub@redhat.com>
3571
3572         * regmove.c (regmove_optimize): Suppress the optimization for
3573         unchanging destination register.  Add comment above function.
3574
3575 2001-05-11  Zack Weinberg  <zackw@stanford.edu>
3576
3577         * Makefile.in: Exterminate all references to assert.h.
3578         * cross-make: Likewise.
3579         * assert.h: Delete.
3580         * configure.in: Correct commentary.
3581         * configure: Regenerate.
3582
3583         * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
3584         Remove __eprintf.
3585
3586         * config/t-freebsd, config/t-linux, config/t-linux-aout,
3587         config/t-netbsd, config/t-rtems, config/x-linux,
3588         config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
3589         No need to override INSTALL_ASSERT_H.
3590
3591         * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
3592         fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
3593         fixinc/fixincl.sh: Don't install assert.h into objdir/include.
3594
3595 2001-05-11  Graham Stott  <grahams@redhat.com>
3596
3597         * combine.c (simplify_comparison): Fix typo.
3598
3599 2001-05-11  Mark Mitchell  <mark@codesourcery.com>
3600
3601         * loop.h (struct movables): Remove `num'.
3602         * loop.c (scan_loop): Don't set it.  Use count_insns_in_loop.
3603         Adjust call to strength_reduce.
3604         (num_unmoved_movables): New function.
3605         (move_movables): Don't set movables->num.
3606         (strength_reduce): Compute the number of instructions in the loop
3607         here, rather than in the caller.
3608         (check_dbra_loop): Always clear reversible_mem_store if there
3609         are any memory sets.
3610         (loop_regs_scan): Don't count instructions here.
3611         (count_insn_in_loop): New function.
3612
3613 2001-05-11  Mark Mitchell  <mark@codesourcery.com>
3614
3615         * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
3616
3617 2001-05-11  Neil Booth  <neil@daikokuya.demon.co.uk>
3618
3619         * c-common.c (finish_label_expr): New function, lifted from
3620         from cp/semantics.c.
3621         * c-common.h (finish_label_expr, lookup_label): New prototypes.
3622         * c-parse.in: Move 3 blocks of parser code into new functions.
3623         * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
3624         * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
3625         (lookup_label): Remove.
3626
3627 2001-05-11  Alexandre Oliva  <aoliva@redhat.com>
3628
3629         * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
3630         FLOAT_BIT_ORDER_MISMATCH.
3631
3632 2001-05-10  David Edelsohn  <edelsohn@gnu.org>
3633
3634         * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
3635         bytes.  Reported by Kazu Hirata <kazu@hxi.com>.
3636
3637 2001-05-10  David Edelsohn  <edelsohn@gnu.org>
3638
3639         * expr.c (emit_group_load): extract_bit_field requires a REG or
3640         MEM as an argument.
3641
3642 Thu May 10 14:45:44 2001  Jeffrey A Law  (law@cygnus.com)
3643
3644         * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
3645         a computed jump into an unconditional jump.
3646         In second hunk of code for collapsing computed and conditional jumps
3647         into unconditional jumps, reemit the jump in additional cases.
3648
3649         * jump.c (jump_optimize_1): Do not wrap the new jump target
3650         inside a LABEL_REF; gen_jump will do that automatically.
3651
3652 2001-05-10  Toon Moene  <toon@moene.indiv.nluug.nl>
3653
3654         * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
3655         contents for a SYMBOL_REF in case of floating point constants.
3656
3657 2001-05-10  DJ Delorie  <dj@redhat.com>
3658
3659         * c-common.c (combine_strings): Widen strings in a
3660         host-endian-independent way.
3661
3662 2001-05-10  Joseph S. Myers  <jsm28@cam.ac.uk>
3663
3664         * c-parse.in: Remove many shift/reduce conflicts.  Update
3665         %expect values.
3666         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
3667         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
3668         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
3669         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
3670         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
3671         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
3672         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
3673         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
3674         declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
3675         declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
3676         maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
3677         typespec_reserved_nonattr, typespec_reserved_attr,
3678         typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
3679         structsp_nonattr, components_notype, component_notype_declarator,
3680         absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
3681         firstparm, setspecs_fp): New
3682         (typed_declspecs, reserved_declspecs, typed_typespecs,
3683         reserved_typespecquals, declmods, typespec, typespecqual_reserved,
3684         typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
3685         declmods_no_prefix_attr, nonempty_type_quals, structsp,
3686         type_quals): Remove.  Users updated.
3687         (initdecls, notype_initdecls, after_type_declarator,
3688         parm_declarator, notype_declarator, absdcl1, components, ivars):
3689         Don't allow attributes at the start of a declarator; include them
3690         in the production containing the declarator instead.  Always
3691         require type specifiers before trying to redeclare a typedef name.
3692         (typename): Allow for attributes but warn that they are ignored.
3693         (parmlist, firstparm, setspecs_fp): Include attributes in
3694         parmlist; suck them off the parser stack in firstparm using
3695         setspecs_fp.
3696
3697 Thu May 10 09:17:42 2001  Jeffrey A Law  (law@cygnus.com)
3698
3699         * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
3700         to determine if a block has an unconditional jump at its end.
3701
3702         * jump.c (jump_optimize_1): When converting a conditional jump
3703         to an unconditional jump, build the jump using gen_jump instead
3704         of just modify operands in-place.
3705
3706 2001-05-09  Zack Weinberg  <zackw@stanford.edu>
3707
3708         * cppinit.c (cpp_post_options): Shut off macro expansion if
3709         -fpreprocessed.
3710         * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
3711         IN_I directives only if the # is in column 1 and the directive
3712         name begins in column 2.
3713         * cppmain.c (scan_buffer): Insert a space between # and an
3714         identifier, when that identifier is a directive name.
3715
3716         * tradcpp.c (struct file_buf): Add a pointer to the next entry
3717         in the header search path.
3718         (enum node_type): Add T_INCLUDE_NEXT.
3719         (directive_table): Add entry for include_next.
3720         (do_include_next): New function.
3721         (process_include): New routine, broken out of do_include.
3722         (finclude): Insert 'nhd' argument, to be copied into
3723         next_header_dir of the new buffer.
3724         (main): Adjust to match.
3725         * gsyslimits.h, limity.h: Un-indent #include_next.
3726
3727 2001-05-09  Joseph S. Myers  <jsm28@cam.ac.uk>
3728
3729         * objc.texi: Move from ../libobjc/objc-features.texi.  Adjust for
3730         inclusion as a chapter of the GCC manual.
3731         * gcc.texi: Include objc.texi.
3732         * fdl.texi: Use @unnumberedsec for the addendum.
3733         * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
3734
3735 Wed May  9 16:01:41 CEST 2001  Jan Hubicka  <jh@suse.cz>
3736
3737         * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
3738
3739 Wed May  9 10:40:25 2001  Alexandre Oliva  <aoliva@redhat.com>
3740
3741         * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
3742         handling of two-address insns.
3743
3744 Wed May  9 10:36:18 2001  Alexandre Oliva  <aoliva@redhat.com>
3745
3746         * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
3747         ../binutils/nm-new instead of ../binutils/nm.
3748
3749 Wed May  9 12:15:46 CEST 2001  Jan Hubicka  <jh@suse.cz>
3750
3751         * i386.md (movdi splitter): Fix the splitting condition
3752         (float_extenddftf splitter): Fix mode.
3753
3754 Wed May  9 12:05:39 CEST 2001  Jan Hubicka  <jh@suse.cz>
3755
3756         * genrecog.c (write_switch): Avoid outputting of switch for
3757         types wider than int.
3758
3759 2001-05-03  Andrew Haley  <aph@cambridge.redhat.com>
3760
3761         * reload1.c (copy_eh_notes): New function.
3762         (emit_input_reload_insns): Call it.
3763         (emit_output_reload_insns): Call it.
3764
3765 2001-05-07  Zack Weinberg  <zackw@stanford.edu>
3766
3767         * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
3768         Delete stanzas.
3769         * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
3770         config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
3771
3772         * optabs.c: Delete #ifdef BROKEN_LDEXP block.
3773
3774 2001-05-07  John David Anglin  <dave@hiauly1.hia.nrc.ca>
3775
3776         * pa.md (interspace_jump): Revise comment.
3777         (builtin_longjmp): Block initial setup insns from delay slot of
3778         interspace branch.
3779         (builtin_setjmp_receiver): New expander to save and restore PIC
3780         register.
3781
3782         * som.h (NM_FLAGS): Remove `-n' sort option.  Revise comment.
3783
3784 Mon May  7 09:30:14 2001  Jeffrey A Law  (law@cygnus.com)
3785
3786         * toplev.c (compile_file): Set up the output file before we call
3787         the various initializers for the compiler.
3788
3789         * except.c (sjlj_mark_call_sites): Do not search for assignments to
3790         non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3791
3792         * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
3793         * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
3794
3795 2001-05-06  Zack Weinberg  <zackw@stanford.edu>
3796
3797         * Makefile.in (tradcpp0): Correct typo in dependency list.
3798
3799 2001-05-06  Geoff Keating  <geoffk@redhat.com>
3800
3801         * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
3802         the link register if we're not going to use it.
3803
3804         * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
3805         (output_function_profiler): Likewise.
3806
3807 2001-05-07  Alan Modra  <amodra@one.net.au>
3808
3809         * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
3810
3811 2001-05-06  Alexandre Oliva  <aoliva@redhat.com>
3812
3813         * unroll.c (loop_iterations): Don't sign-extend abs_diff;
3814         zero-extend it.  Make abs_inc unsigned.
3815
3816         * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
3817         widest mode in narrowing and widening operations.
3818
3819         * config/mips/mips.md: Sign extend CONST_INTs.
3820
3821 2001-05-06  Andreas Jaeger  <aj@suse.de>
3822
3823         * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
3824         (i386 Options): Document -momit-leaf-frame-pointer.
3825
3826 2001-05-06  Neil Booth  <neil@daikokuya.demon.co.uk>
3827
3828         * c-typeck.c (internal_build_compound_expr): Check for
3829         array to pointer conversion just once.
3830
3831 2001-05-05  Richard Henderson  <rth@redhat.com>
3832
3833         * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
3834
3835 2001-05-05  Richard Henderson  <rth@redhat.com>
3836
3837         * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
3838         to the parent of the fixup region.
3839
3840 2001-05-05  Jakub Jelinek  <jakub@redhat.com>
3841
3842         * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
3843         "inline" keyword.
3844         * cpp.texi (__NO_INLINE): Document it.
3845
3846 2001-05-05  Neil Booth  <neil@daikokuya.demon.co.uk>
3847
3848         * cppfiles.c (struct include_file): New member err_no.
3849         (find_or_create_entry): Set it.
3850         (open_file): Don't set fds to -2.  Instead, use err_no to
3851         remember previous errors, if any.
3852
3853 2001-05-05  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3854
3855         * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
3856         between X and Y by using sequences of xgdx and xgdy.
3857
3858 2001-05-05  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3859
3860         * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
3861         of '!' for the 'D' alternative ('!' is too strong).
3862         ("*logicalsi3_silshl16"): Likewise.
3863         ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
3864         ("movstrictsi"): Remove spurious '+'.
3865         ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
3866         ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
3867         ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
3868         a reload to them.
3869
3870 2001-05-04  David Edelsohn  <edelsohn@gnu.org>
3871
3872         * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
3873
3874 2001-05-04  Lars Brinkhoff  <lars@nocrew.org>
3875
3876         * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
3877         into -a.
3878
3879 2001-05-04  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
3880
3881         * config/rs6000/rs6000.md (ashldi3 splits): Guard with
3882         TARGET_POWERPC64.
3883
3884 2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3885
3886         * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
3887         soft register, use ror instead of rol.
3888
3889 2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3890
3891         * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
3892         into account pre/post increment decrement for 68HC12.
3893         Fix other problems in replacement and fix call to reg_mentioned_p.
3894
3895 2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3896
3897         * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
3898         Put the soft registers in bss for 68HC12.
3899         (L_regs_d3_4): New for _.d3 and _.d4.
3900         (L_regs_d5_6): Likewise.
3901         (L_regs_d1_2): Likewise.
3902         * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
3903
3904 2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3905
3906         * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
3907         to the pre-processor when -fshort-double is specified.
3908         * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
3909
3910 2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3911
3912         * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
3913         (__mulsi3): Rewrite for 68HC12.
3914         * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
3915         Mark 'x' constraint with earlyclobber to prevent a
3916         RELOAD_FOR_OTHER_ADDRESS to go in it.
3917         (mulhi3_m68hc12): New pattern.
3918         (mulhi3_m68hc11): Rename of mulhi3.
3919         (mulhi3): New expand for 68HC12 optimisation.
3920         (umulhisi3, mulhisi3): New patterns for 68HC12.
3921
3922 2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3923
3924         * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
3925         (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
3926         (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
3927
3928 2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3929
3930         * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
3931         constants cheap after reload.
3932         * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
3933         are cheap.
3934         (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
3935         so that gcc prefers a shift by 16.
3936         (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
3937
3938 2001-05-04  Nick Clifton  <nickc@cambridge.redhat.com>
3939
3940         * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
3941
3942 2001-05-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3943
3944         * alpha.h: NULL_PTR -> NULL.
3945         * arm.c: Likewise.
3946         * arm.h: Likewise.
3947         * avr.h: Likewise.
3948         * c4x.c: Likewise.
3949         * c4x.h: Likewise.
3950         * i386.c: Likewise.
3951         * i386.md: Likewise.
3952         * i860.c: Likewise.
3953         * ia64.c: Likewise.
3954         * m68hc11.h: Likewise.
3955         * rs6000.h: Likewise.
3956         * sh.c: Likewise.
3957         * sh.h: Likewise.
3958         * sparc.h: Likewise.
3959         * v850.c: Likewise.
3960
3961         * expr.c: Likewise.
3962         * final.c: Likewise.
3963         * gcc.c: Likewise.
3964         * recog.c: Likewise.
3965
3966 2001-05-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3967
3968         * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
3969         `bool' parameter to `int'.
3970
3971         * hash.c (hash_lookup): Likewise.
3972
3973         * hash.h (hash_lookup): Likewise.
3974
3975         * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
3976
3977 Fri May  4 13:10:03 CEST 2001  Jan Hubicka  <jh@suse.cz>
3978
3979         * i386.c (x86_initialize_trampoline): Fix mode of constant.
3980
3981 2001-05-03  Geoff Keating  <geoffk@redhat.com>
3982
3983         * invoke.texi (i386 Options): Delete references to -malign-jumps,
3984         -malign-loops, -malign-functions.
3985         * i386.c (ix86_align_funcs): Delete.
3986         (ix86_align_loops): Delete.
3987         (ix86_align_jumps): Delete.
3988         (override_options): Mark -malign-* as obsolete.  Emulate their
3989         behaviour with the -falign-* options.  Default -falign-* from
3990         the processor table.
3991         * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
3992         patch of Wed May 2 13:09:36 2001.
3993         (LOOP_ALIGN): Delete.
3994         (LOOP_ALIGN_MAX_SKIP): Delete.
3995         (LABEL_ALIGN_AFTER_BARRIER): Delete.
3996         (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
3997
3998 2001-05-04  Andreas Jaeger  <aj@suse.de>
3999
4000         * except.h: Add prototype declaration for
4001         expand_builtin_init_dwarf_reg_sizes.
4002
4003 2001-05-03  Geoffrey Keating  <geoffk@redhat.com>
4004
4005         * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
4006
4007 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4008
4009         * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
4010         instruction.
4011         ("bitcmpqi2"): New pattern for bit-extract and test.
4012         ("bitcmphi"): New pattern for bitb/bita instructions.
4013
4014 2001-05-03  Joseph S. Myers  <jsm28@cam.ac.uk>
4015
4016         * gccbug.in: Use a temporary directory when the mktemp command is
4017         not available.
4018
4019 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4020
4021         * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
4022         instead of _.d1.
4023         (INITIALIZE_TRAMPOLINE): Call it.
4024         (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
4025         (TRAMPOLINE_TEMPLATE): Remove.
4026         * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
4027         * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
4028         Declare.
4029
4030 2001-05-03  David O'Brien  <obrien@FreeBSD.org>
4031
4032         * config/t-freebsd: Don't install "assert.h" in gcc.  Compile crtbeginS.o
4033         and crtendS.o with PIC.
4034
4035 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4036
4037         * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
4038         negative numbers.
4039         (___subdi3, ___adddi3): Use x instead of y as index register.
4040         (__init_bss_section, __map_data_section): Optimize for 68HC12.
4041         (__memset, __memcpy): Likewise.
4042         (regs): Put the soft registers in bss for 68HC12.
4043         (abort): Use trap to abort for 68hc12.
4044         (__mulhi3, __mulhi32): Use emul for 68hc12.
4045         (__mulsi3): Avoid to use the tmp soft register for 68hc12.
4046
4047 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4048
4049         * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
4050         * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
4051         * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
4052         (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
4053         Set 68HC12 min offset to -65536.
4054         (print_operand): Put parenthesis arround the operand if it refers
4055         to a symbol having the same name as a register.
4056         (m68hc11_z_replacement): When z register is replaced by its
4057         equivalent soft register, force the insn to be re-recognized.
4058         (m68hc11_check_z_replacement): Fix the test when destination is
4059         the index register and z dies in the insn.
4060         (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
4061
4062 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4063
4064         * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
4065         costs according to processor variant.
4066         (m68hc11_shift_cost): New function to compute shift costs.
4067         (m68hc11_rtx_costs): Define costs according to processor variant.
4068         (m6811_cost): Costs for 68HC11.
4069         (m6812_cost): Costs for 68HC12.
4070         (COSTS_N_INSNS): Remove.
4071
4072         * config/m68hc11/m68hc11.h (RTX_COSTS): New.
4073         (DEFAULT_RTX_COSTS): Remove.
4074         (CONST_COSTS): Define costs according to OUTER_CODE.
4075         (processor_costs): New struct to define costs.
4076         (m68hc11_cost): Pointer to current costs.
4077
4078 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4079
4080         * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
4081         and use m68hc11_notice_keep_cc when using leax/leay.
4082         (addhi3 split): Reject split if the insn is handled by
4083         leax/leay above.
4084         * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
4085         push must be handled in a special way if the source operand uses
4086         sp as index register.
4087         (m68hc11_notice_keep_cc): New function.
4088         (m68hc11_gen_movhi): Use it when an insn changes a register but
4089         not the flags.
4090         (m68hc11_gen_movqi): Fix move for 68HC12.
4091         * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
4092
4093 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4094
4095         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
4096         and don't pass operands[0] to emit_library_call_value.
4097
4098 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4099
4100         * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
4101         (zero_extendsi split): Simplify and use (zero_extendhi).
4102         (*addhi3): Remove 'w' constraint since stack pointer is handled
4103         by (addhi3_sp).
4104         (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
4105         (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
4106         (*ashrhi3_const): Fix shift by 7.
4107         (*lshrsi3_const16): Fix template.
4108         (call, call_value): Fix constraint and predicate.
4109
4110 2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4111
4112         * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
4113         (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
4114         (CC_REGNUM): Likewise.
4115         (*unnamed splits): Use above constants instead of hard coded numbers.
4116         (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
4117         (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
4118         (*return_16bit, *unnamed peepholes): Likewise.
4119
4120 2001-05-03  David O'Brien  <obrien@FreeBSD.org>
4121
4122         * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix):  Do not include
4123         rs6000/rs6000.h twice.
4124
4125 2001-05-03  Mark Elbrecht  <snowball3@bigfoot.com>
4126
4127         * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
4128         (CPP_SPEC): Conditionally define MSDOS and GO32.
4129         (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
4130         (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
4131         ignored.
4132         (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
4133
4134 2001-05-03  Alexandre Oliva  <aoliva@redhat.com>
4135
4136         * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
4137
4138 2001-05-03  Mark Mitchell  <mark@codesourcery.com>
4139
4140         * integrate.h (struct inline_remap): Add leaf_reg_map table.
4141         * integrate.c (expand_inline_function): Use xcalloc to allocate
4142         memory.
4143         (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
4144         registers.
4145
4146 2001-05-03  Mark Mitchell  <mark@codesourcery.com>
4147
4148         * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
4149         if it is not set.
4150
4151 2001-05-03  Alexandre Oliva  <aoliva@redhat.com>
4152
4153         * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
4154         linker if -mrelax is given.
4155         (TARGET_SWITCHES): Document -mrelax.
4156
4157         Re-installed 2001-01-09's patch:
4158         * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4159         if it's wider than long and the target's long is wider than the
4160         host's.
4161
4162 2001-05-02  David O'Brien  <obrien@FreeBSD.org>
4163
4164         * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h:  Do not
4165         directly include rs6000/rs6000.h.  Instead do it in tm.h.
4166
4167 2001-05-02  Stan Shebs  <shebs@apple.com>
4168
4169         * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
4170         NSConstantString for NeXT-style runtimes.
4171         (STRING_OBJECT_GLOBAL_NAME): New macro.
4172         (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
4173         OCTI_STRING_CLASS_DECL.
4174         (constant_string_global_id): New macro.
4175         (string_class_decl): Ditto.
4176         (setup_string_decl): New function.
4177         (build_objc_string_object): Use it to build a NeXT runtime
4178         compatible string initializer.
4179
4180 2001-05-02  Jakub Jelinek  <jakub@redhat.com>
4181
4182         * tradcpp.c (do_define): Make sure we don't walk past limit.
4183
4184 2000-05-01  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
4185
4186         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
4187         offsets if not REG_OK_STRICT.
4188
4189         * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
4190         (INT_REG_OK_FOR_INDEX_P): Likewise.
4191         (INT_REG_OK_FOR_BASE_P): Likewise.
4192         (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
4193         (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
4194         (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
4195         INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
4196         REG_OK_FOR_BASE_P. Take an additional parameter.
4197         (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
4198         (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
4199         (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
4200         (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
4201         rs6000_legitimate_address() and use it.
4202         * config/rs6000/rs6000.c: Update all callers.
4203         (rs6000_legitimate_address): New function.
4204
4205 2001-05-02  David Edelsohn  <edelsohn@gnu.org>
4206
4207         * config/rs6000/rs6000.c (rs6000_emit_move): Merge
4208         special_constant conditional blocks together.
4209
4210 2001-05-02  Dale Johannesen  <dalej@apple.com>
4211
4212         * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
4213         parameter.
4214         (STRICT_ARGUMENT_NAMING): Define.
4215         * config/rs6000/rs6000.c (function_arg_advance, function_arg,
4216         function_arg_partial_nregs, setup_incoming_varargs): Remove
4217         args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
4218         is defined.
4219
4220 Wed May  2 13:09:36 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4221
4222         * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
4223
4224         * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
4225         for replacement.
4226
4227         * expr.c (store_field): Do nothing except elaborate side-effects if
4228         zero-bit field.
4229
4230 2001-05-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4231
4232         * c-lex.c: NULL_PTR -> NULL.
4233         * cse.c: Likewise.
4234         * emit-rtl.c: Likewise.
4235         * gcse.c: Likewise.
4236         * genpeep.c: Likewise.
4237         * jump.c: Likewise.
4238         * mips-tdump.c: Likewise.
4239         * reload1.c: Likewise.
4240         * rtlanal.c: Likewise.
4241         * stmt.c: Likewise.
4242         * stor-layout.c: Likewise.
4243         * toplev.c: Likewise.
4244
4245 2001-05-01  Per Bothner  <per@bothner.com>
4246
4247         * expr.c (expand_expr):  When compiling LABELED_BLOCK_EXPR,
4248         call do_pending_stack_adjust before emiting label.
4249
4250 2001-05-01  Mark Mitchell  <mark@codesourcery.com>
4251
4252         * extend.texi: Fix typo.
4253
4254 2001-05-01  Stan Shebs  <shebs@apple.com>
4255
4256         * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
4257         of UOBJC_MODULES_decl.
4258         (generate_strings): Clear DECL_CONTEXT of new decl nodes.
4259         (generate_descriptor_table): Ditto.
4260         (generate_protocols): Ditto.
4261         (generate_protocol_list): Ditto.
4262         (generate_classref_translation_entry): Ditto.
4263
4264 2001-05-01  Jeffrey Oldham  <oldham@codesourcery.com>
4265
4266         * invoke.texi (Optimize Options): Add documentation for `--param
4267         max-delay-slot-insn-search' and `--param
4268         max-delay-slot-live-search' and reorder --param section.
4269         * params.def: Modify initial comment.
4270         * params.h (param_info): Add `help' member.
4271         * toplev.c (lang_independent_params): Include `help' description.
4272         (display_help): Print --param parameters.
4273
4274 2001-05-01  Zack Weinberg  <zackw@stanford.edu>
4275
4276         * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
4277         Remove references to deleted files.
4278         (*-*-openbsd): No need to override xmake_file.
4279         (*-*-sysv4): Treat like *-*-sysv.
4280
4281         * configure.in: Probe for ldopen in various places, and set up
4282         collect2 to be linked with them if found.
4283         Don't dink with Windows registry stuff unless $host_os is a
4284         Win32 os name.  Check to see if we need -ladvapi32.
4285         * configure: Regenerate.
4286
4287         * Makefile: Get rid of CLIB and HOST_CLIB.
4288         Substitute in COLLECT2_LIBS and link collect2 against its contents.
4289         * build-make: Get rid of HOST_CLIB.
4290
4291         * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
4292         config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4293         config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4294         config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
4295         config/rs6000/x-rs6000: Delete.
4296
4297         * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
4298         Don't set CLIB.
4299
4300         24 x-host fragments remain, 0 x-cpu, 3 top level.
4301
4302 2001-05-01  Zack Weinberg  <zackw@stanford.edu>
4303
4304         * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
4305         * configure: Regenerate.
4306
4307 2001-05-01  Angela Marie Thomas <angela@cygnus.com>
4308
4309         * Makefile.in (install-headers): Remove redundant dependency.
4310
4311 2001-05-01  Nathan Sidwell  <nathan@codesourcery.com>
4312
4313         * c-tree.texi (USING_STMT): Document.
4314
4315 2001-05-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4316
4317         * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
4318         * c-common.c: Likewise.
4319         * c-decl.c: Likewise.
4320         * combine.c: Likewise.
4321         * rs6000.c: Likewise.
4322         * except.c: Likewise.
4323         * explow.c: Likewise.
4324         * expr.c: Likewise.
4325         * fold-const.c: Likewise.
4326         * function.c: Likewise.
4327         * gcc.c: Likewise.
4328         * gcse.c: Likewise.
4329         * integrate.c: Likewise.
4330         * loop.c: Likewise.
4331         * objc/objc-act.c: Likewise.
4332         * recog.c: Likewise.
4333         * reg-stack.c: Likewise.
4334         * reload.c: Likewise.
4335         * reload1.c: Likewise.
4336         * simplify-rtx.c: Likewise.
4337         * stmt.c: Likewise.
4338         * varasm.c: Likewise.
4339
4340 2001-05-01  Gabriel Dos Reis  <gdr@codesourcery.com>
4341
4342         * diagnostic.def: New file.
4343         * diagnostic.h (diagnostic_t): New enum.
4344         * Makefile.in (diagnostic.o): Depend on diagnostic.def
4345
4346 2001-04-30  Zack Weinberg  <zackw@stanford.edu>
4347
4348         * tsystem.h: Test only POSIX for availability of string.h
4349         and time.h.
4350         * config.gcc (all systems): If USG appeared in xm_defines,
4351         change it to POSIX.  If both USG and POSIX appeared, just
4352         delete USG. Remove unnecessary quotes around xm_defines
4353         settings.
4354         (m68k-crds-unos*): Don't #define unos - tested nowhere.
4355         (m68k-apple-aux*): Don't #define AUX - tested nowhere.
4356         (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
4357         powerpc-*-linux*): No need to set xm_defines - handled by
4358         global settings for *-*-linux*.
4359
4360 2001-04-30  Zack Weinberg  <zackw@stanford.edu>
4361
4362         * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
4363         Always include gstab.h, not system stab.h.  Don't provide
4364         default definitions of N_CATCH or N_OPT.  Always use the
4365         gstab.h variant of STAB_CODE_TYPE.
4366         * final.c: Don't include stab.h/gstab.h at all, or provide
4367         defaults for N_SLINE and N_SOL.
4368
4369         * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
4370         N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
4371         available.
4372         * sdbout.c: Always include gsyms.h instead of system syms.h.
4373
4374         * configure.in: No need to check for stab.h.
4375         * configure, config.in: Regenerate.
4376         * Makefile.in (final.o): Don't depend on gstab.h.
4377
4378 2001-04-30  Mark Mitchell  <mark@codesourcery.com>
4379             Richard Henderson  <rth@redhat.com>
4380
4381         * extend.texi: Improve documentation of volatile asms.
4382
4383 2001-04-30  Mark Mitchell  <mark@codesourcery.com>
4384
4385         * c-tree.texi: Fix thinko.
4386         * gcc.texi: Likewise.
4387
4388 2001-04-30  Richard Henderson  <rth@redhat.com>
4389
4390         * c-common.c (c_promoting_integer_type_p): New function, from the
4391         corpse of old macro.  Properly promote too-small enumerations and
4392         booleans.  Adjust all callers.
4393         * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
4394         (c_promoting_integer_type_p): Declare.
4395         * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
4396         * c-typeck.c: Likewise.
4397         (default_conversion): Remove now redundant boolean check.
4398
4399 2001-04-30  Jan Hubicka  <jh@suse.cz>
4400             Richard Henderson  <rth@redhat.com>
4401
4402         * regmove.c (try_apply_stack_adjustment): Remove now redundant
4403         sanity checks.
4404         (combine_stack_adjustments_for_block): Don't combine stack
4405         allocation followed by deallocations.  Handle grow-up stacks.
4406
4407 2001-04-30  Mark Mitchell  <mark@codesourcery.com>
4408
4409         * fdl.texi: New file.
4410         * c-tree.texi: Use the GFDL.
4411         * gcc.texi: Likewise.
4412
4413 2001-04-30  Stan Shebs  <shebs@apple.com>
4414
4415         * invoke.texi: Add a section documenting Objective-C options.
4416
4417 2001-04-27  Andrew Haley  <aph@cambridge.redhat.com>
4418
4419         * emit-rtl.c (try_split):  Copy EH notes to sequence.
4420
4421 2001-04-30  Mark Mitchell  <mark@codesourcery.com>
4422
4423         * regmove.c (record_stack_memrefs): Catch all references to the
4424         stack pointer.
4425
4426 2001-04-29  Toomas Rosin <toomas at ns dot tklabor dot ee>
4427
4428         * Makefile.in (stmp-fixinc): quote shell assignment values
4429
4430 2001-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4431
4432         * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
4433
4434         * gcc.c: Likewise.
4435
4436         * prefix.c: Likewise.
4437
4438 2001-04-28  Stan Shebs  <shebs@apple.com>
4439
4440         * objc/objc-act.c (handle_class_ref): Rewrite to flush target
4441         specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
4442         * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
4443         * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
4444
4445         * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
4446         (NEXT_OBJC_RUNTIME): Define.
4447
4448 Sat Apr 28 21:02:58 CEST 2001  Jan Hubicka  <jh@suse.cz>
4449
4450         * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
4451         * simplify-rtx.c (simplify_gen_relational): Likewise.
4452
4453         * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
4454
4455         * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
4456         * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
4457
4458         * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
4459         registers in SSE case; fix handling of the immediates.
4460         (negsf2_ifs, abssf2_ifs): Tweak constraints; require
4461         operands to be in regsiters before reload.
4462         (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
4463         (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
4464         (abstf,absxf,negtf,negxf splitters): Compute
4465         properly the regnum for x86_64.
4466         (avsdf2_if_rex64): New.
4467
4468 Sat Apr 28 10:36:23 2001  Jeffrey A Law  (law@cygnus.com)
4469
4470         * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
4471         and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
4472         into the constant pool.
4473         * jump.c (jump_optimize_1): Remove barrier successors after all
4474         the LABEL_NUSES counds have been computed.
4475         (delete_barrier_successors): When deleting a tablejump insn, also
4476         delete the jump table it uses.
4477         * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
4478         label into memory.
4479
4480 2001-04-28  Martin Kalen  <martin.kalen@todaysystems.com.au>
4481
4482         * pa.c (FRP): Remove erroneous white space in macro definition.
4483
4484 2001-04-28  Andreas Jaeger  <aj@suse.de>
4485
4486         * invoke.texi: Use XX-bit instead of XXbit or XX bit where
4487         appropriate.
4488         * extend.texi: Likewise.
4489         * tm.texi: Likewise.
4490
4491 2001-04-28  Andreas Jaeger  <aj@suse.de>
4492
4493         * md.texi: Use XX-bit instead of XXbit or XX bit where
4494         appropriate.
4495
4496 2001-04-28  Jens Schweikhardt <schweikh@schweikhardt.net>
4497
4498         * gcc.c (process_command): Allow -l lib in addition to -llib
4499         for POSIX compliance. This fixes PR c/2347.
4500
4501         * invoke.texi: Update section on Link Options accordingly.
4502
4503 2001-04-27  Zack Weinberg  <zackw@stanford.edu>
4504
4505         * function.c (purge_addressof_1): Remove the duplicate
4506         if (code == SET) block.  Fold the two if (code == ADDRESSOF)
4507         blocks together.
4508
4509 2001-04-28  Jason Merrill  <jason_merrill@redhat.com>
4510
4511         * except.c (expand_eh_region_start): Don't start a new block.
4512         (expand_eh_region_end): Don't end a block.
4513         * stmt.c (expand_end_bindings): Don't end EH blocks.
4514         (expand_decl_cleanup): Starting an EH region won't change the block.
4515         (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
4516         (is_eh_region): Lose.
4517         * tree.h: Adjust.
4518
4519 2001-04-27  Jeffrey Oldham  <oldham@codesourcery.com>
4520
4521         * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
4522
4523         * collect2.c (main): Add `-L' case to remove duplicate entries.
4524         (is_in_args): New function to check for a duplicate argument.
4525         * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
4526         * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
4527         * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
4528         Define to be nonzero.
4529
4530 2001-04-27  Andreas Jaeger  <aj@suse.de>
4531             Richard Henderson  <rth@redhat.com>
4532
4533         * md.texi (Machine Constraints): Document additional i386
4534         constraints and fix description of "A".
4535
4536 Fri Apr 27 10:43:49 2001  Jeffrey A Law  (law@cygnus.com)
4537
4538         * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
4539
4540 2001-04-27  Jason Merrill  <jason_merrill@redhat.com>
4541
4542         * except.c (get_exception_filter): word_mode, not Pmode.
4543
4544 2001-04-26  Geoffrey Keating  <geoffk@redhat.com>
4545
4546         * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
4547         common to other movsf patterns.  Move up so that in future
4548         people who change the other patterns will change it too.
4549         (movsf_lo_sum): Allow even for soft-float; add appropriate
4550         constraints.
4551         (movsf_high): Likewise.
4552         (movsf_high+1): Allow even for soft-float.
4553
4554         * function.c (expand_function_end): Always clobber the
4555         return registers, even if there is no return label.
4556
4557 Thu Apr 26 20:28:21 CEST 2001  Jan Hubicka  <jh@suse.cz>
4558
4559         * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
4560
4561 Thu Apr 26 19:20:28 CEST 2001  Jan Hubicka  <jh@suse.cz>
4562
4563         * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
4564         (pushqi2_rex64, pushhi2_rex64): Add.
4565
4566 2001-04-26  Andrew Haley  <aph@cambridge.redhat.com>
4567
4568         * except.c (expand_eh_region_end_cleanup): Force pending stack
4569         adjust before emitting label that branches around cleanup code.
4570
4571 2001-04-26  H.J. Lu  (hjl@gnu.org)
4572
4573         * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
4574
4575         * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
4576         define.
4577         * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
4578         (ASM_OUTPUT_SECTION_NAME): Likewise.
4579         (ASM_WEAKEN_LABEL): Likewise.
4580         (UNIQUE_SECTION): Likewise.
4581         (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4582         (ASM_OUTPUT_DESTRUCTOR): Likewise.
4583         * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
4584         (ASM_OUTPUT_SECTION_NAME): Likewise.
4585         (ASM_WEAKEN_LABEL): Likewise.
4586         (UNIQUE_SECTION): Likewise.
4587         (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4588         (ASM_OUTPUT_DESTRUCTOR): Likewise.
4589         * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
4590         * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
4591         (ASM_FILE_START): Likewise.
4592         (ASM_OUTPUT_SOURCE_LINE): Likewise.
4593         (ASM_DECLARE_OBJECT_NAME): Likewise.
4594         (ASM_FILE_END): Likewise.
4595         (ASM_DECLARE_FUNCTION_NAME): Likewise.
4596         (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
4597         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4598         (ASM_OUTPUT_CASE_LABEL): Likewise.
4599         (ASM_OUTPUT_SKIP): Likewise.
4600         (ASM_OUTPUT_ASCII): Likewise.
4601         (ASM_OUTPUT_IDENT): Likewise.
4602         (READONLY_DATA_SECTION): Likewise.
4603         (EXTRA_SECTIONS): Likewise.
4604         (EXTRA_SECTION_FUNCTIONS): Likewise.
4605         (SELECT_RTX_SECTION): Likewise.
4606         (SELECT_SECTION): Likewise.
4607
4608         * config/mips/linux.h (INVOKE__main): Undefine.
4609         (CTOR_LIST_BEGIN): Likewise.
4610         (CTOR_LIST_END): Likewise.
4611         (DTOR_LIST_BEGIN): Likewise.
4612         (DTOR_LIST_END): Likewise.
4613         (SET_ASM_OP): Defined it to ".dummy".
4614         (ASM_OUTPUT_DEF): Defined.
4615         (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
4616
4617 2001-04-26  Nick Clifton  <nickc@cambridge.redhat.com>
4618
4619         * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
4620         assembler supports .p2align.
4621
4622 2001-04-26  Nathan Sidwell <nathan@codesourcery.com>
4623
4624         * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
4625
4626 2001-04-26  Jakub Jelinek  <jakub@redhat.com>
4627
4628         * integrate.c (expand_inline_function): Check for error_mark_node
4629         in actual argument.
4630
4631 2001-04-26  Jakub Jelinek  <jakub@redhat.com>
4632
4633         * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
4634         -m386 and -m486.
4635
4636 2001-04-26  Alexandre Oliva  <aoliva@redhat.com>
4637
4638         * configure.in (configargs.h): Define thread_model.
4639         * configure: Rebuilt.
4640         * gcc.c (main): Print it with -v.
4641
4642 2001-04-25  Joseph S. Myers  <jsm28@cam.ac.uk>
4643
4644         * invoke.texi: Document -Wmissing-braces, -dumpspecs,
4645         -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
4646         * gcc.1: Regenerate.
4647
4648 2001-04-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4649
4650         * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
4651         is_redundant_typedef): Use static inline instead of inline static.
4652
4653 Wed Apr 25 18:21:01 2001  Christopher Faylor <cgf@cygnus.com>
4654
4655         * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
4656         this directory is always searched.
4657
4658 2001-04-25  Richard Henderson  <rth@redhat.com>
4659
4660         * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
4661         of registers to restore along non eh_return path.
4662
4663 2001-04-25  Jakub Jelinek  <jakub@redhat.com>
4664
4665         * c-format.c (check_format_info_recurse): Handle
4666         PLUS_EXPR for format string.
4667
4668 2001-04-25  Jakub Jelinek  <jakub@redhat.com>
4669
4670         * config/ia64/ia64.h (CC1_SPEC): Define.
4671         * config/ia64/linux.h (CC1_SPEC): Define.
4672
4673 Wed Apr 25 17:09:50 2001  J"orn Rennecke <amylaar@redhat.com>
4674
4675         * emit-rtl.c (constant_subword): Also do sign extension in
4676         BITS_PER_WORD == 16 case.
4677
4678 2001-04-25  Jason Merrill  <jason_merrill@redhat.com>
4679
4680         * loop.c (try_swap_copy_prop): Go back to checking insn.
4681
4682 2001-04-25  Jakub Jelinek  <jakub@redhat.com>
4683
4684         * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
4685         if check_mode is non-zero.
4686
4687 2001-04-25  Jakub Jelinek  <jakub@redhat.com>
4688
4689         * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
4690         out and comparison sequence has been detected, put result into
4691         proper temporary pseudo.
4692
4693 2001-04-24  Zack Weinberg  <zackw@stanford.edu>
4694
4695         * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
4696         * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
4697         * libgcc2.c: Remove __dummy and __builtin_saveregs.
4698         * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
4699         * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
4700         for future reference.
4701
4702 2001-04-24  Jason Merrill  <jason_merrill@redhat.com>
4703
4704         * except.c (reachable_handlers): Step out one level from a RESX.
4705
4706         * except.c (struct eh_region): Rename 'last' to 'resume'.
4707         (mark_eh_region, duplicate_eh_region_1): Adjust.
4708         (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
4709         (build_post_landing_pads): Likewise.
4710         (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
4711         (expand_eh_region_end_must_not_throw): Likewise.
4712         (connect_post_landing_pads): Thread (only) regions with non-deleted
4713         resume insns.
4714
4715         * except.c (expand_eh_region_end_cleanup): Save the EH return data
4716         registers around the cleanup.
4717         (get_exception_filter): New fn.
4718         (finish_eh_generation): Use it.
4719
4720 2001-04-24  Nathan Sidwell <nathan@codesourcery.com>
4721
4722         * c-semantics.c (add_scope_stmt): Don't call
4723         current_scope_stmt_stack multiple times.
4724
4725 2001-04-24  Zack Weinberg  <zackw@stanford.edu>
4726             Nathan Sidwell <nathan@codesourcery.com>
4727
4728         Lazy __FUNCTION__ generation.
4729         * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
4730         RID_C99_FUNCTION_NAME): New _RIDs.
4731         (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
4732         (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
4733         CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
4734         global tree slots.
4735         (function_id_node, pretty_function_id_node, func_id_node): Remove.
4736         (c99_function_name_decl_node, function_name_decl_node,
4737         pretty_function_name_decl_node, saved_function_name_decls):
4738         Declare.
4739         (struct language_function): Remove x_function_name_declared_p.
4740         (make_fname_decl): Remove a parameter.
4741         (declare_function_names): Remove prototype.
4742         (start_fname_decls, finish_fname_decls): Prototype.
4743         (fname_as_string): Likewise.
4744         (fname_string, fname_decl): Likewise.
4745         * c-common.c (make_fname_decl): Adjust.
4746         (struct fname_var_t): New struct.
4747         (fname_vars): New static array.
4748         (declare_function_name): Remove.
4749         (start_fname_decls, finish_fname_decls): New functions.
4750         (fname_as_string): New function from remnants of
4751         declare_function_name.
4752         (fname_string, fname_decl): New functions.
4753
4754         * c-decl.c (c_function_name_declared_p): Remove.
4755         (init_decl_processing): Don't generate __FUNCTION__ et al ids,
4756         don't call declare_function_name. Call start_fname_decls.
4757         (c_make_fname_decl): Adjust parameters. Generate the name. Don't
4758         clobber the line number. Call finish_decl.
4759         (start_function): Call start_fname_decls.
4760         (finish_function): Call finish_fname_decls.
4761         Remove c_function_name_declared_p.
4762         (push_c_function_context): Don't push c_function_name_declared_p.
4763         (pop_c_function_context): Don't pop c_function_name_declared_p.
4764         (c_begin_compound_stmt): Don't check c_function_name_declared_p.
4765         * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
4766         (program): Call finish_fname_decls for C.
4767         (primary): Add VAR_FUNC_NAME.
4768         (reswords): Add slots for __FUNCTION__ et al.
4769         (rid_to_yy): Add mappings for __FUNCTION__ et al.
4770         (yylexname): If it's a STRING_FUNC_NAME generate the function name
4771         now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
4772         * c-semantics.c (prune_unused_decls): Remove.
4773         (finish_stmt_tree): Don't call prune_unused_decls.
4774         (genrtl_decl_stmt): Don't prune unused decls here.
4775
4776 2001-04-24  Nick Clifton  <nickc@cambridge.redhat.com>
4777
4778         * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
4779         constant pool, use the pool's SYMBOL_REF instead.
4780
4781         * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
4782         v850e.
4783
4784 2001-04-23  Joseph S. Myers  <jsm28@cam.ac.uk>
4785
4786         * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
4787         passing nested NOP_EXPRs to fold.
4788
4789 Mon Apr 23 14:32:12 CEST 2001  Jan Hubicka  <jh@suse.cz>
4790
4791         * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
4792
4793 2001-04-22  Mark Mitchell  <mark@codesourcery.com>
4794
4795         * loop.c (loop_delete_insns): Add prototype.
4796
4797 2001-04-23  Phil Edwards  <pme@sources.redhat.com>
4798
4799         * configure.in:  Remove ENABLE_STD_NAMESPACE.
4800         * config.in:  Regenerated.
4801         * configure:  Regenerated.
4802
4803 2001-04-22  Stan Shebs  <shebs@apple.com>
4804
4805         * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
4806         into xm_defines.
4807         * config/rs6000/xm-darwin.h: Remove file.
4808
4809 2001-04-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4810
4811         * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
4812         (write_c_file_stat): Likewise.
4813
4814         * dbxout.c (dbxout_init): Likewise.
4815
4816         * profile.c (output_func_start_profiler): Likewise.
4817
4818 2001-04-22  Philipp Thomas  <pthomas@suse.de>
4819
4820         * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
4821         require it instead of the CVS version.
4822         * cpperror.c (v_message): Put a blank before the macro
4823         body to not confuse exgettext.
4824
4825 2001-04-21  Mark Mitchell  <mark@codesourcery.com>
4826
4827         * flow.c (proagate_one_insn): Remove useless assignment.
4828         * jump.c (delete_insn): Tidy.
4829         * loop.c (try_copy_prop): When deleting an instruction with a
4830         REG_RETVAL note, delete the entire libcall sequence.
4831         (loop_delete_insns): New function.
4832         * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
4833         we're not substituting into them yet.
4834
4835 2001-04-21  Kazu Hirata  <kazu@hxi.com>
4836
4837         * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
4838
4839         * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
4840         Fix a comment typo.
4841         * config/i960/i960.c (signed_arith_operand): Likewise.
4842
4843         * calls.c (expand_call): Fix a comment typo.
4844
4845 2001-04-20  Zack Weinberg  <zackw@stanford.edu>
4846
4847         * configure.in: Probe for times, clock, struct tms, and clock_t.
4848         * configure, config.in: Regenerate.
4849         * timevar.c: Replace ifdef forest in get_time with (relatively)
4850         straightforward series of checks based on autoconf's probes.
4851
4852 Fri Apr 20 12:24:50 2001  Jeffrey A Law  (law@cygnus.com)
4853
4854         * config/pa/som.h (NM_FLAGS): Define.
4855
4856 2001-04-20  Bernd Schmidt  <bernds@redhat.com>
4857
4858         * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
4859         function.
4860         * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
4861         * ia64.c (nop_cycles_until): New function.
4862         (prev_cycle, prev_first, last_issued): New static variables.
4863         (ia64_sched_reorder): Additional arg for clock.
4864         On final scheduling pass, emit extra NOPs as needed.
4865         Set prev_first and prev_cycle.
4866         (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
4867         (ia64_variable_issue): Set last_issued.
4868
4869 2001-04-20  Alexandre Oliva  <aoliva@redhat.com>
4870
4871         * config/i386/i386.c (ix86_expand_int_movcc,
4872         ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
4873
4874 2001-04-20  Geoff Keating  <geoffk@redhat.com>
4875
4876         * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
4877         ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
4878         ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
4879         ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
4880         ctrdi_internal6): In the short-branch case, this insn is only 4
4881         bytes long.  Reported by Reza Yazdani <reza@apple.com>.
4882
4883 2001-04-20  Jakub Jelinek  <jakub@redhat.com>
4884
4885         * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
4886         "=u" is used together with "st" resp. "st(1)" clobber.
4887
4888 2001-04-20  Jakub Jelinek  <jakub@redhat.com>
4889
4890         * gcse.c (gcse_main): Fix comment typo.
4891         (delete_null_pointer_check): Likewise.
4892         (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
4893         * cse.c (cse_insn): Likewise.
4894         * function.c (fixup_var_refs_insns_with_hash): The sequence is
4895         toplevel.
4896
4897 2001-04-19  Zack Weinberg  <zackw@stanford.edu>
4898
4899         * toplev.c: Excise all code for the undocumented -dm option.
4900         (float_signal): Call signal just once, unconditionally.
4901
4902 2001-04-19  Geoff Keating  <geoffk@redhat.com>
4903
4904         * fold-const.c (fold): Use first_rtl_op rather than
4905         TREE_CODE_LENGTH when looping over parameters of a tree.
4906         Correct strange grouping in test for evaluated SAVE_EXPR.
4907
4908 Thu Apr 19 19:15:26 2001  Jeffrey A Law  (law@cygnus.com)
4909
4910         * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
4911         * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
4912
4913         * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
4914         name at 32 total characters.
4915         (ASM_OUTPUT_SECTION_NAME): Similarly.  Also, only support placing
4916         functions in named sections -- data items can still go into unique
4917         sections, but they have normal names (ie $LIT$ and $DATA$).
4918
4919         * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
4920         INIT_PRIORITY.
4921
4922 2001-04-19 DJ Delorie  <dj@redhat.com>
4923
4924         * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4925         to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
4926         * config/i386/cygwin.h: Likewise.
4927         * config/i386/mingw32.h: Likewise.
4928         * config/vax/vms.h: Likewise.
4929         * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
4930
4931         * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4932         to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
4933         * config/i386/xm-cygwin.h: Likewise.
4934         * config/i386/xm-djgpp.h: Likewise.
4935         * config/i386/xm-mingw32.h: Likewise.
4936         * config/vax/xm-vms.h: Likewise.
4937
4938         * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
4939         instead of OBJECT_SUFFIX.
4940         * collect2.c (find_a_file): Look for files matching the extension
4941         HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
4942         * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
4943         TARGET_EXECUTABLE_SUFFIX.
4944         (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
4945         (make_relative_prefix): Likewise.
4946         (convert_filename): Use TARGET_ suffixes throughout.  Remove
4947         NO_AUTO_EXE_SUFFIX.
4948         (process_command): Likewise.
4949         (do_spec_1): Likewise.
4950         * java/lang.c (init_parse): Likewise.
4951
4952         * gcc.texi : Document four new options matching the pattern
4953         (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX.  Remove documentation
4954         for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX.  Remove
4955         documentation for NO_AUTO_EXE_SUFFIX.
4956
4957 2001-04-19  Mark Mitchell  <mark@codesourcery.com>
4958
4959         * toplev.h (struct lang_hooks): Allow decode_option to indicate
4960         that language-independent processing should not be done.
4961         * toplev.c (main): Adjust accordingly.
4962
4963         * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
4964         * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
4965
4966         * mips.md (reload_outputdi): Require that operand0 be a
4967         general_operand.
4968
4969 2001-04-19  Jakub Jelinek  <jakub@redhat.com>
4970
4971         * invoke.texi (-Wshadow): Clarify.
4972
4973 2001-04-18  Mark Mitchell  <mark@codesourcery.com>
4974
4975         * loop.c (load_mems): Examine all the instructions in the loop
4976         before concluding that all jumps branch to the first instruction
4977         after the loop.
4978
4979 Wed Apr 18 20:32:03 2001  Christopher Faylor <cgf@cygnus.com>
4980
4981         * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
4982
4983 2001-04-18  Jakub Jelinek  <jakub@redhat.com>
4984
4985         * cpp.texi (-Wwhite-space): Remove.
4986         (-Wall): -Wall does not imply -Wwhite-space.
4987
4988 2001-04-17  Zack Weinberg  <zackw@stanford.edu>
4989
4990         * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
4991         use it instead of blindly generating a .stabs.
4992         * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
4993         in the right place.
4994         * xcoffout.c: Don't bother defining default for N_CATCH.
4995         (UNKNOWN_STAB): Use internal_error.
4996         (stab_to_sclass): Remove now-unnecessary aborts.
4997         Remove #if 0'ed case N_BROWS.  Add #ifdef N_OPT block.
4998
4999 Tue Apr 17 21:41:11 2001  Jeffrey A Law  (law@cygnus.com)
5000
5001         * jump.c (mark_all_labels): Canonicalize the tail recursion
5002         label attached to CALL_PLACEHOLDER insns.
5003
5004 2001-04-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5005
5006         * output.h (dump_flow_info, free_basic_block_vars,
5007         which_alternative): Delete redundant prototypes.
5008
5009         * rtl.h (bss_section): Likewise.
5010
5011 2001-04-17  Loren J. Rittle  <ljrittle@acm.org>
5012
5013         * dbxout.c (N_OPT): Define if not available from <stab.h>
5014
5015 2001-04-17  John David Anglin  <dave@hiauly1.hia.nrc.ca>
5016
5017         * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
5018         libraries and native K&R compilers.
5019
5020 2001-04-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5021
5022         * c-typeck.c (convert_arguments): Don't check for width changes
5023         with -Wtraditional.
5024
5025         * invoke.texi (-Wtraditional): Update documentation.
5026
5027 2001-04-16  Zack Weinberg  <zackw@stanford.edu>
5028
5029         * toplev.c (output_lang_identify): Delete.
5030         (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
5031         Don't generate gcc2_compiled. label.  Don't emit a nop if profiling.
5032         If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
5033         after calling ASM_FILE_END.
5034
5035         * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
5036         Instead, unconditionally emit an N_OPT stab with string equal
5037         to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
5038
5039         * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
5040
5041         * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
5042         config/psos.h, config/ptx4.h, config/1750a/1750a.h,
5043         config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
5044         config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
5045         config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
5046         config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
5047         config/i370/i370.h, config/i386/beos-elf.h,
5048         config/i386/osf1elf.h, config/i386/osfrose.h,
5049         config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
5050         config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
5051         config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
5052         config/m68k/tower-as.h, config/mcore/mcore-elf.h,
5053         config/mips/iris6.h, config/mips/osfrose.h,
5054         config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
5055         config/sparc/sp64-elf.h:
5056         Delete definitions of any or all of: ASM_IDENTIFY_GCC,
5057         ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
5058
5059         * config/elfos.h, config/freebsd.h, config/linux.h,
5060         config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
5061         config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
5062         config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
5063         of ASM_FILE_START which merely emit a .version directive.  Delete
5064         definitions of ASM_FILE_END which merely emit an .ident directive.
5065
5066         * config/avr/avr.h, config/vax/vax.h: Delete definition of
5067         ASM_IDENTIFY_GCC and move part of its logic into
5068         ASM_FILE_START.
5069
5070         * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
5071         config/sparc/linux-aout.h: Don't emit .version directive in
5072         ASM_FILE_START.
5073
5074         * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
5075         (output_file_start): Correct comment.
5076
5077         * config/i386/osfrose.h: Don't emit trailing .ident directive.
5078         * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
5079         to match gdb.
5080         * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
5081         * config/rs6000/aix.h: Correct comment.
5082
5083         * config/i386/i386afe.h: Delete.
5084         * config.gcc: Remove references to i386afe.h.
5085
5086         * tm.texi: Delete documentation of ASM_IDENTIFY_GCC.  The
5087         other macros deleted by this patch were undocumented.
5088
5089 Mon Apr 16 08:03:48 2001  Jeffrey A Law  (law@cygnus.com)
5090
5091         * pa.md (reload_outdi): Operand 0 must be a non hard register.
5092
5093         * pa.c (secondary_reload_class): SAR<->FP copies require a
5094         secondary register.
5095
5096         * install.texi (mips-mips-bsd): Update list of functions
5097         required to include memmove.
5098         * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
5099         used functions to include memmove.
5100
5101 2001-04-15  Toon Moene  <toon@moene.indiv.nluug.nl>
5102
5103         * i386.md (sqrtdf2): SFmode should be DFmode.
5104
5105 2001-04-15  Alexandre Oliva  <aoliva@redhat.com>
5106
5107         * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
5108         (find_moveable_store): Likewise.
5109
5110 2001-04-15  Jim Wilson  <wilson@redhat.com>
5111
5112         * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
5113
5114 Sat Apr 14 16:24:19 CEST 2001  Jan Hubicka  <jh@suse.cz>
5115
5116         * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
5117         (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
5118
5119 2001-04-14  Alexandre Oliva  <aoliva@redhat.com>
5120
5121         * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
5122         first alternative.
5123
5124 2001-04-14  Alan Modra  <amodra@one.net.au>
5125
5126         * pa.c (force_mode): New function.
5127         (emit_move_sequence): Use it instead of generating new rtx_REGs.
5128
5129 2001-04-13  Jim Wilson  <wilson@redhat.com>
5130
5131         * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
5132         (first_instruction): New static variable.
5133         (rtx_needs_barrier): Return 1 for alloc.
5134         (init_insn_group_barriers): Set first_instruction.
5135         (rws_sum): Delete duplicate definition.
5136         (group_barrier_needed_p): Return 0 when first_instruction true.
5137         (safe_group_barrier_needed_p): Save and restore first_instruction
5138         around group_barrier_needed_p call.
5139
5140 Fri Apr 13 21:40:28 2001  Loren J. Rittle  <ljrittle@acm.org>
5141
5142         * expr.h (enum libfunc_index): Add LTI_memmove.
5143         (memmove_libfunc): Define macro.
5144         * optabs.c (init_optabs): Initialize memmove_libfunc.
5145         * expr.c (expand_assignment): Use memmove_libfunc instead of
5146         memcpy_libfunc.
5147
5148 2001-04-13  Alan Modra  <alan@linuxcare.com.au>
5149
5150         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
5151         fp mode addresses.
5152
5153 2001-04-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5154
5155         * Makefile.in (reg-stack.o): Depend on reload.h.
5156         (insn-attrtab.o): Depend on flags.h.
5157
5158         * genattrtab (main): Include flags.h in insn-attrtab.c.
5159
5160         * reg-stack.c: Include reload.h.
5161
5162         * sparc.h (flag_pic): Delete redundant declaration.
5163
5164         * output.h (flag_pic): Likewise.
5165
5166         * tree.h (pedantic): Likewise.
5167
5168 2001-04-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5169
5170         * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
5171
5172         * jump.c, regmove.c, toplev.c: Include reload.h.
5173
5174         * reload.h (reload_cse_regs): Declare.
5175
5176         * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
5177         reload_cse_regs, init_reload, mark_home_live, reload,
5178         init_caller_save): Delete redundant prototypes.
5179
5180 2001-04-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5181
5182         * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
5183
5184         * regclass.c, ssa.c: Include expr.h.
5185
5186         * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
5187         gen_move_insn): Delete redundant declarations.
5188
5189 2001-04-13  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
5190
5191         * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
5192         (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
5193         MAKEINFO and MAKEINFOFLAGS too.
5194         (stage4_build): Correctly order -B flags.
5195
5196 2001-04-13  Alan Modra  <amodra@one.net.au>
5197
5198         * pa.c (hppa_init_pic_save): Set rtx_unchanging for
5199         PIC_OFFSET_TABLE_SAVE_RTX.
5200         (zdepi_cint_p): Describe zdepi insn.
5201         Formatting and white space fixes throughout file.
5202
5203         * pa.c (uint32_operand): Don't use long constant >= 2^32.
5204         (emit_move_sequence): Use HOST_WIDE_INT constants.  Don't worry
5205         about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
5206         (compute_movstrsi_length): Make `align' unsigned to avoid warning.
5207         (output_64bit_and): Use plain `int's for shift counts.
5208         (output_64bit_ior): Likewise.
5209         (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
5210         * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
5211         `N', and simplify.
5212
5213         * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
5214         * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
5215         * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
5216         NEW_HP_ASSEMBLER into one.  Kill warnings.
5217
5218         * pa-gas.h: Delete file.
5219         * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
5220         Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*.  Update
5221         hppa*-*-linux*.  For all pa targets, remove pa/gas.h from tm_file,
5222         instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
5223
5224         * config/pa/mill32.S: New file.
5225         * config/pa/mill64.S: New file.
5226         * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
5227         LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
5228         * config/pa/t-linux64: New file.
5229         * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
5230         (LIB1ASMFUNCS, LIB1ASMSRC): Define.
5231         (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
5232
5233         * elfos.h (SELECT_SECTION): Undef before defining.
5234         * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
5235         (LIB_SPEC): Remove -lmilli.
5236         (DBX_REGISTER_NUMBER): Remove.
5237         (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
5238         (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
5239         NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
5240         DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
5241         DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
5242         ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
5243         ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
5244         TARGET_GAS): Define.
5245         * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
5246         (function_arg): If TARGET_ELF32, pass fp args in both general and fp
5247         regs if we don't have a prototype.
5248         * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
5249         * pa.h (TARGET_ELF32): Default to 0 if undefined.
5250         (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
5251         EH_RETURN_HANDLER_RTX): Define.
5252         * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
5253         (DWARF_FRAME_REGNUM): Define.
5254         * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
5255         * pa32-linux.h: New file.
5256         * pa64-linux.h: New file.
5257
5258         * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
5259         (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
5260         (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
5261         NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
5262         DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
5263         DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
5264         CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5265         FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
5266         READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
5267         DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
5268         UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5269         ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
5270         TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
5271         * pa64-hpux.h: New file.
5272         (ASM_FILE_START): Correct typo.
5273         (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
5274         * config.gcc: Modify for above.
5275
5276 Fri Apr 13 00:09:22 EDT 2001  John Wehle  (john@feith.com)
5277
5278         * jump.c (jump_optimize_1): Don't delete dead stores here.
5279         * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
5280         prior to running jump optimize before cse2.
5281
5282 2001-04-12  Richard Henderson  <rth@redhat.com>
5283
5284         * Makefile.in (regmove.o): Depend on except.h.
5285         * regmove.c: Include it.
5286
5287 2001-04-12  Stan Shebs  <shebs@apple.com>
5288
5289         * objc/objc-act.c: Remove all code ifdefed with the never-used
5290         macro OBJC_INT_SELECTORS.
5291         * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
5292         * tm.texi: Remove doc for OBJC_INT_SELECTORS.
5293
5294 Thu Apr 12 18:13:37 2001  Rodney Brown  <RodneyBrown@mynd.com>
5295
5296         * config/pa/quadlib.c: Add prototypes.
5297
5298 2001-04-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5299
5300         * bitmap.h (debug_bitmap): Delete redundant prototype.
5301
5302         * rtl.h (get_frame_size): Likewise.
5303
5304 2001-04-12  Jim Wilson  <wilson@redhat.com>
5305
5306         * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
5307         to just emit an fnorm.
5308
5309 2001-04-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5310
5311         * c-common.h (truthvalue_conversion, type_for_mode,
5312         type_for_size): Delete redundant declarations.
5313
5314         * c-lex.h (is_class_name): Likewise.
5315
5316         * c-tree.h (pedantic, convert, getdecls, gettags,
5317         global_bindings_p, init_decl_processing, insert_block,
5318         maybe_build_cleanup, poplevel, print_lang_decl,
5319         print_lang_identifier, print_lang_type, pushdecl, pushlevel,
5320         set_block, incomplete_type_error, build_function_call,
5321         lvalue_or_else, mark_addressable): Likewise.
5322
5323         * expr.h (expand_tree_builtin): Likewise.
5324
5325 2001-04-12  Mark Mitchell  <mark@codesourcery.com>
5326
5327         * invoke.texi: Document --param max-gcse-memory.
5328
5329 2001-04-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5330
5331         * configure.in (errno): Check for declaration.
5332         * configure, config.in: Regenerated.
5333
5334         * system.h (errno): Only declare if not already done.
5335
5336 2001-04-12  Alexandre Oliva  <aoliva@redhat.com>
5337
5338         * recog.c (general_operand, immediate_operand,
5339         nonmemory_operand): Require CONST_INTs to be sign-extended
5340         values for their modes.
5341
5342 2001-04-12  Alexandre Oliva  <aoliva@redhat.com>
5343
5344         * expmed.c (store_bit_field): Truncate CONST_INTs.
5345         (expand_mult_highpart, expand_divmod): Likewise.
5346         * expr.c (convert_modes, store_field): Likewise.
5347         * integrate.c (expand_inline_function): Use promote_mode() to
5348         determine whether to convert_modes() an argument as signed
5349         or unsigned.
5350         * optabs.c (expand_binop): Get CONST_INT operands
5351         sign-extended for their appropriate modes.
5352         * stmt.c (emit_case_nodes): Convert node values to the
5353         appropriate mode.
5354         (expand_end_case): Convert minval and range to the appropriate
5355         mode.
5356         * unroll.c (loop_iterations): Truncate abs_diff to the mode of
5357         the iteration variable.
5358         * varasm.c (immed_double_const): Don't require words to be
5359         narrower than host wide ints to properly sign-extend
5360         CONST_INTs.
5361
5362 2001-04-12  kaz Kojima  <kkojima@rr.iij4u.or.jp>
5363
5364         * sh.md (builtin_setjmp_receiver): New expander.
5365
5366 2001-04-12  David Edelsohn  <dje@watson.ibm.com>
5367
5368         * config/rs6000/rs6000.c (rs6000_emit_move): Do not
5369         special-case HOST_BITS_PER_WIDE_INT != 32.  Use same criteria
5370         for generating CONST_INT and CONST_DOUBLE.
5371
5372 2001-04-12  Alexandre Oliva  <aoliva@redhat.com>
5373
5374         * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
5375         already sign-extended.
5376         (rs6000_emit_prologue): Make register iterator signed.
5377         (rs6000_emit_epilogue): Likewise.
5378         * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
5379         and low.
5380         (movsf split, movdf split): Sign-extend CONST_INTs.
5381         (movdi splits): Likewise.
5382
5383 2001-04-12  Kelley Cook <kelley.cook@home.com>
5384
5385         * config-lang.in (lang_dirs): Add in zlib.
5386
5387 2001-04-11  Alexandre Oliva  <aoliva@redhat.com>
5388
5389         * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
5390         operands that make it to RTL.
5391
5392 2001-04-11  Stan Shebs  <shebs@apple.com>
5393
5394         Add Darwin (Mac OS X kernel) native support.
5395         * config.gcc (powerpc-*-darwin*): Add native bits.
5396         * config/darwin.c: New file, generic Darwin support functions.
5397         * config/darwin.h: New file, generic Darwin definitions.
5398         * config/darwin-protos.h: New file, generic Darwin prototypes.
5399         * rs6000/darwin.h: New file, Darwin for PowerPC.
5400         * rs6000/t-darwin: New file, Darwin makefile fragment.
5401         * rs6000/rs6000.h (OBJECT_MACHO): New macro.
5402         (TARGET_MACHO): Ditto.
5403         (rs6000_abi): Add ABI_DARWIN.
5404         (RS6000_REG_SAVE): Add ABI_DARWIN case.
5405         (RS6000_SAVE_AREA): Ditto.
5406         (FP_ARG_MAX_REG): Ditto.
5407         (RETURN_ADDRESS_OFFSET): Ditto.
5408         * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
5409         cases.
5410         (rs6000_emit_move): Add ABI_DARWIN cases.
5411         (print_operand): Ditto.
5412         (first_reg_to_save): Ditto.
5413         (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
5414         (debug_stack_info): Ditto.
5415         (rs6000_emit_prologue): Ditto.
5416         (rs6000_emit_epilogue): Ditto.
5417         (output_profiler_hook): Ditto.
5418         (output_function_profiler): Ditto.
5419         (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
5420         (output_mi_thunk): Add TARGET_MACHO case.
5421         (add_compiler_stub): Ditto.
5422         (output_compiler_stub): Ditto.
5423         (no_previous_def): Ditto.
5424         (output_call): Ditto.
5425         (machopic_output_stub): Ditto.
5426         (rs6000_machopic_legitimize_pic_address): Ditto.
5427         (toc_section): Ditto.
5428         * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
5429         (macho_high): Ditto.
5430         (macho_low): Ditto.
5431         (movsi_low): Ditto.
5432         (load_macho_picbase): Ditto.
5433         (call): Add TARGET_MACHO case to modify function.
5434         (call_value): Ditto.
5435         (call_nonlocal_sysv): Add ABI_DARWIN case.
5436         (call_value_nonlocal_sysv): Ditto.
5437         * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
5438         Add prototype.
5439         (machopic_output_stub): Ditto.
5440         * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
5441
5442 2001-04-11  Mark Mitchell  <mark@codesourcery.com>
5443
5444         * dwarf2out.c (modified_type_die): Don't create new types here.
5445         * tree.h (get_qualified_type): New function.
5446         (build_qualified_type): Adjust comment.
5447         * tree.c (get_qualified_type): New function.
5448         (build_qualified_type): Use it.
5449
5450 2001-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5451
5452         * cpp.texi (-Wtraditional): Update description.
5453
5454         * invoke.texi (-Wtraditional): Likewise.
5455
5456 2001-04-11  Jim Wilson  <wilson@redhat.com>
5457
5458         * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
5459         requires more than 64 bits of alignment.
5460
5461 2001-04-11  Neil Booth  <neil@daikokuya.demon.co.uk>
5462
5463         * cpplib.c (do_line): Sanity check iff enable checking.
5464
5465 2001-04-11  Richard Henderson  <rth@redhat.com>
5466
5467         * Makefile.in (insn-recog.o): Depend on toplev.h.
5468         (insn-emit.o, doloop.o): Likewise.
5469         * genrecog.c, genemit.c: Include toplev.h in generated file.
5470         * doloop.c: Include toplev.h.
5471
5472 2001-04-11  Mark Mitchell  <mark@codesourcery.com>
5473
5474         * Makefile.in (gcse.o): Depend on params.h.
5475         * gcse.c: Include params.h.
5476         (gcse_main): Don't do GCSE if doing so will take inordinate
5477         amounts of memory.
5478         * params.def (PARAM_MAX_GCSE_MEMORY): New  parameter.
5479         * params.h (MAX_GCSE_MEMORY): New macro.
5480
5481 2001-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5482
5483         * Makefile.in (insn-output.o): Depend on $(EXPR_H).
5484
5485         * genoutput.c (output_prologue): Include expr.h in insn-output.c.
5486
5487 2001-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5488
5489         * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
5490
5491         * real.h (ereal_atof, real_value_truncate, target_isnan,
5492         target_isinf, target_negative, assemble_real, debug_real): Delete
5493         redundant prototypes.
5494
5495         * Makefile.in (ifcvt.o): Depend on toplev.h.
5496
5497         * c-semantics.c: Include expr.h.
5498
5499         * ifcvt.c: Include toplev.h.
5500
5501         * expr.h (rtx_equal_p): Delete prototype.
5502
5503         * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
5504         protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
5505         eliminate_constant_term, expand_complex_abs, find_single_use,
5506         make_tree, init_expr_once, init_optabs, supports_one_only):
5507         Likewise.
5508
5509         * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
5510         rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
5511         expand_assignment, store_expr, emit_line_note_after,
5512         emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
5513
5514         * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
5515
5516         * sparc-protos.h: Delete redundant prototypes.
5517
5518 2001-04-11  Vladimir Makarov  <vmakarov@toke.toronto.redhat.com>
5519
5520         * reload.c (push_reload): Add condition missed in SUBREG byte
5521         offset patch.
5522
5523 Wed Apr  4 00:28:23 2001  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5524
5525         * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
5526
5527 Wed Apr 11 14:06:10 CEST 2001  Jan Hubicka  <jh@suse.cz>
5528
5529         * i386.md (floatsisf_sse): Fix output template
5530         * i386.c (ix86_expand_fp_movcc)
5531
5532         * reg-stack.c (emit_pop_insn): Handle complex modes.
5533         (move_for_stack_reg): Emit proper move mode.
5534         (subst_stack_regs_pat): Handle complex modes.
5535
5536 2001-04-11  Jakub Jelinek  <jakub@redhat.com>
5537
5538         * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
5539
5540 2001-04-10  Richard Henderson  <rth@redhat.com>
5541
5542         * libgcc2.h (__terminate_func_ptr): Remove typedef.
5543         (__pure_virtual, __terminate, __terminate_set_func,
5544         __default_terminate, __throw_type_match, __empty,
5545         __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
5546         __eh_rtime_match, __unwinding_cleanup, __rethrow,
5547         __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
5548         Remove prototypes of deleted functions.
5549
5550 2001-04-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5551
5552         * c-typeck.c (convert_arguments): -Wtraditional now activates
5553         -Wconversion warnings, except for changes in signed-ness.
5554         Detect complex<->int & int<->complex conversions as well.
5555
5556         * invoke.texi (-Wtraditional): Document it.
5557
5558 Tue Apr 10 17:45:50 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5559
5560         * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
5561         * flow.c (set_block_for_new_insns): Remove needless cast and
5562         properly check for unset block number.
5563
5564 2001-04-10  Andrew MacLeod  <amacleod@redhat.com>
5565
5566         * function.c (purge_single_hard_subreg_set): Only check REGNO if
5567         the subreg was a hard register. Pseudos are left as subregs.
5568
5569 2001-04-09  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
5570
5571         * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
5572         (LIB2ADD_ST): New macro, pass it to mklibgcc.
5573         * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
5574         (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
5575         * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
5576
5577 2001-04-09  Bo Thorsen  <bo@suse.co.uk>
5578
5579         * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
5580
5581 2001-04-09  Andrew MacLeod  <amacleod@redhat.com>
5582
5583         * output.h (set_block_num): Missed it earlier, remove deprecated
5584         prototype.
5585
5586 2001-04-09  Andrew MacLeod  <amacleod@redhat.com>
5587
5588         * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
5589         (load_killed_in_block_p): Change bb parameter from int to basic_block.
5590         (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
5591         (handle_rd_kill_set): Change bb parameter from int to basic_block.
5592         (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
5593         (expr_killed_p): Change bb parameter from int to basic_block, pass
5594         basic_blocks instead of ints as parameters.
5595         (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
5596         (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
5597         from int to basic_block, pass basic_blocks instead of ints as parms.
5598         (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
5599         parameter from int to basic_block, pass basic_blocks instead of ints.
5600         (process_insert_insn): Pass basic_blocks instead of ints as parameters.
5601         (insert_insn_end_bb): Change bb parameter from int to basic_block,
5602         pass basic_blocks instead of ints.
5603         (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
5604         basic_blocks instead of ints as parameters.
5605         (pre_delete): Pass basic_blocks instead of ints as parameters.
5606         (hoist_expr_reaches_here_p): Change bb parameter from int to
5607         basic_block, pass basic_blocks instead of ints.
5608         (hoist_code): Pass basic_blocks instead of ints as parameters.
5609         (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
5610         Change bb parameter from int to basic_block.
5611         (build_store_vectors): Pass basic_blocks instead of ints as parameters.
5612         (insert_insn_start_bb): Change bb parameter from int to basic_block,
5613         pass basic_blocks instead of ints.
5614         (insert_store): Pass basic_blocks instead of ints as parameters.
5615         (replace_store_insn, delete_store): Change bb parameter from int to
5616         basic_block, pass basic_blocks instead of ints.
5617         (store_motion): Pass basic_blocks instead of ints as parameters.
5618
5619 2001-04-09  Andrew MacLeod  <amacleod@redhat.com>
5620
5621         * basic-block.h (set_new_block_for_insns): New Prototype.
5622         (set_block_num): Delete prototype.
5623         * flow.c (set_block_num): Remove obsolete function.
5624         (set_block_for_new_insns): Set BB for single or multiple insns.
5625         * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
5626         (process_insn_end_bb): Use set_block_for_new_insns or
5627         set_block_for_insn instead of set_block_num.
5628         (pre_insert_copy_insn): Use set_block_for_new_insns.
5629         (update_ld_motion_stores): Use set_block_for_new_insns.
5630         (insert_insn_start_bb): Use set_block_for_new_insns.
5631         (replace_store_insn): Use set_block_for_new_insns.
5632
5633 2001-04-09  Andrew MacLeod  <amacleod@redhat.com>
5634             Jeff Law  <law@redhat.com>
5635
5636         * alias.c (get_addr): Externalize.
5637         (canon_true_dependence): New function. Behaves like true_dependance
5638         except it already assumes a MEM has been canonicalized.
5639         * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
5640         * gcse.c (struct ls_expr): Add load/store expressions structure.
5641         (modify_mem_list, canon_modify_mem_list): New variable.
5642         (gcse_main): Initialize & finalize alias analysis. Use enhanced
5643         load motion and store motion if requested.
5644         (alloc_gcse_mem): Allocate space for modify_mem_list array.
5645         (free_gcse_mem): Free the modify_mem_list array.
5646         (oprs_unchanged_p): Use load_killed_in_block_p.
5647         (gcse_mems_conflict_p, gcse_mem_operand): New variables.
5648         (mems_conflict_for_gcse_p): New function.  Don't kill loads
5649         with stores to themselves if its in the load/store expression list.
5650         (load_killed_in_block_p): New function.
5651         (canon_list_insert): New Function.
5652         (record_last_mem_set_info): Keep a list of all instructions which
5653         can modify memory for each basic block.
5654         (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
5655         (oprs_not_set_p): Use load_killed_in_block_p.
5656         (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
5657         (expr_killed_p): Use load_killed_in_block_p.
5658         (compute_transp): Do not pessimize memory references.
5659         (pre_edge_insert): Update stores for a load motion expression.
5660         (one_pre_gcse_pass): Check loads/stores for extra load motion.
5661         (ldst_entry): Find or create a ldst_expr structure.
5662         (free_ldst_entry): Free memory for an individual item.
5663         (free_ldst_mems): Free entire load/store expression list.
5664         (print_ldst_list): Print debug info.
5665         (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
5666         (enumerate_ldsts): Assign integer values to each entry in list.
5667         (first_ls_expr): First expression in the list.
5668         (next_ls_expr): Next expression in the list.
5669         (simple_mem): Check if expression qualifies for ld/st expression list.
5670         (invalidate_any_buried_refs): Remove from expression list if its
5671         used in some other way we dont understand.
5672         (compute_ld_motion_mems): Find all potential enhanced load motion
5673         expression.
5674         (trim_ld_motion_mems): Remove any expressions which are invalid.
5675         (update_ld_motion_stores): Copy store values to registers for loads
5676         which have been moved.
5677         (regvec, st_antloc, num_store): New global statics.
5678         (reg_set_info): Marks registers as set.
5679         (store_ops_ok): Verfies registers expressions are valid in a block.
5680         (find_moveable_store): Look for moveable stores in a pattern.
5681         (compute_store_table): Find stores in a function worth moving, maybe.
5682         (load_kills_store): Check dependance of a load and store.
5683         (find_loads): Find any loads in a pattern.
5684         (store_killed_in_insn): Check if a store is killed in an insn.
5685         (store_killed_after): Check is store killed after an insn in a block.
5686         (store_killed_before): Check is store killed before an insn in a block.
5687         (build_store_vectors): Generate the antic and avail vectors.
5688         (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
5689         (insert_store): Add a store to an edge.
5690         (replace_store_insn): Replace a store with a SET insn.
5691         (delete_store): Delete a store insn.
5692         (free_store_memory): Free memory.
5693         (store_motion): Perform store motion.
5694         * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
5695         * rtl.h (get_addr, canon_true_dependence): Add prototypes.
5696         * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
5697         (f_options): Add gcse-lm and gcse-sm.
5698
5699 Mon Apr  9 16:18:03 CEST 2001  Jan Hubicka  <jh@suse.cz>
5700
5701         * i386.c (expand_fp_movcc): Fix condition reversal code.
5702
5703         * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
5704         * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
5705         (CLASS_MAX_NREGS): Use it.
5706
5707         * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
5708         handle properly complex values.
5709         (CLASS_MAX_NREGS): Likewise; update comment.
5710
5711 2001-04-05  Bernd Schmidt  <bernds@redhat.com>
5712
5713         * ia64.c (ia64_flag_schedule_insns2): New variable.
5714         (ia64_override_options): Initialize it.  Clear
5715         flag_schedule_insns_after_reload.
5716         (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
5717
5718 Mon Apr  9 15:09:13 CEST 2001  Jan Hubicka  <jh@suse.cz>
5719
5720         * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
5721         Do not require source to match destination anymore;
5722         Add abort to the nontrivial cases that should be handled by split.
5723         (fix_trunc?fdi): Add SSE case for x86_64.
5724         (floatdi?f): Likewise.
5725         (floatdi?f_sse): New.
5726         (fix_trunc?fdi_sse): New.
5727
5728 2001-04-09  Richard Sandiford   <rsandifo@redhat.com>
5729
5730         * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
5731         (DEBUG_ARANGES_END_LABEL): Ditto.
5732         (dwarfout_init): Generate length and version fields at the start
5733         of the .debug_aranges info.  Insert DEBUG_ARANGES_BEGIN_LABEL
5734         after the length field.
5735         (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
5736         the .debug_aranges info.
5737
5738 Sun Apr  8 00:43:27 CEST 2001  Jan Hubicka  <jh@suse.cz>
5739
5740         * i386.c (call, call_value): Make sure that resulting call_insn
5741         does have proper second operand.
5742
5743 Sun Apr  8 22:50:49 2001  Christopher Faylor <cgf@cygnus.com>
5744
5745         * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
5746         function.  Remove include of sys/cygwin.h.
5747
5748 Sun Apr  8 22:20:27 2001  Christopher Faylor <cgf@cygnus.com>
5749
5750         * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
5751         (CPP_SPEC): Always search */include/w32api for header files.
5752         (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
5753         (LINK_SPEC): Add "cyg" to the library search prefixes.
5754
5755 2001-04-08  Philip Blundell  <philb@gnu.org>
5756
5757         * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
5758
5759 2001-04-08  Neil Booth  <neil@daikokuya.demon.co.uk>
5760
5761         * cpperror.c (print_location): Don't special case <stdin>.
5762         (_cpp_begin_message): Handle WARNING_SYSHDR the same as
5763         WARNING, but we don't check if we're in system headers.
5764         * cpplib.h (enum error_type): WARNING_SYSHDR: New.
5765         * cpplib.c (do_warning): Warn in system headers.
5766
5767 2001-04-07  Mumit Khan <khan@NanoTech.Wisc.EDU>
5768
5769         * mbchar.c: Include config.h first.
5770
5771 2001-04-07  Zack Weinberg  <zackw@stanford.edu>
5772
5773         * config.gcc: Set default for xmake_file at top, not bottom.
5774         Change places that set xmake_file to "none" to set to the
5775         empty string instead, or remove them entirely if there is no
5776         default xmake_file for this cpu_type.  Remove references to
5777         deleted files.
5778
5779         * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
5780         config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
5781         config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
5782         config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
5783         config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
5784         config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
5785         config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
5786         config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
5787         config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
5788         config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
5789         Delete.
5790
5791         * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
5792         config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
5793         config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
5794         config/mips/x-sysv, config/rs6000/x-aix31:
5795         Just set CLIB to -lld or -lmld, as appropriate.
5796
5797         * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
5798         config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
5799         config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
5800         config/mips/x-iris, config/pa/x-pa:
5801         Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
5802         OTHER_FIXINCLUDES_DIRS.
5803
5804         * config/i386/x-djgpp: Don't set LN or LN_S.
5805         * config/m88k/x-dolph: Don't define __m88k__.
5806         * config/m88k/x-tekXD88: Don't set AR_FLAGS.
5807         * config/pa/x-pa-mpeix: Just set up quadlib.asm.
5808         * config/i860/fx2800.h: No need to #undef SVR4.
5809
5810         38 x-host fragments remain, 2 x-cpu.
5811
5812 2001-04-07  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5813
5814         * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
5815
5816 2001-04-06  Neil Booth  <neil@daikokuya.demon.co.uk>
5817
5818         * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
5819
5820 2001-04-06  Neil Booth  <neil@daikokuya.demon.co.uk>
5821
5822         * configure.in: Add check for lstat.
5823         * configure, config.in: Regenerate.
5824         * cppinit.c (append_include_chain): Make empty path ".".
5825         * cpplib.c (do_line): Don't simplify #line paths.
5826         * cppfiles.c (remove_component_p): New function.
5827         (find_or_create_entry): Acknowledge stat () errors during
5828         path simplification.
5829         (handle_missing_header): Don't simplify paths.
5830         (_cpp_simplify_pathname): Don't simplify VMS paths.  Return
5831         the empty path untouched.  Don't leave a trailing '/'.
5832
5833 2001-04-06  Benjamin Kosnik  <bkoz@redhat.com>
5834
5835         * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5836         * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5837
5838 2001-04-06  Neil Booth  <neil@daikokuya.demon.co.uk>
5839
5840         * cppfiles.c (open_file): Fail directories silently, but
5841         with an errno of NOENT set.
5842         (read_include_file): Move the common exit code to the sole
5843         caller.  Return an int indicating success or failure.  Let
5844         open_file handle directories.
5845         (stack_include_file): If read_include_file fails,
5846         push a "null" buffer.
5847
5848 2001-04-05  DJ Delorie  <dj@redhat.com>
5849
5850         * function.h (virtuals_instantiated): Declare.
5851         * function.c: (virtuals_instantiated): Make global.
5852         * calls.c (emit_library_call_value_1): Use
5853         virtual_outgoing_args_rtx only if it hasn't been instantiated.
5854         Otherwise, use the stack pointer directly.
5855
5856 Thu Apr  5 19:13:33 CEST 2001  Jan Hubicka  <jh@suse.cz>
5857
5858         * i386.c (x86_initialize_trampoline): New global function.
5859         * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
5860         (INITIALIZE_TRAMPOLINE): Move offline.
5861         * i386-protos.h (x86_initialize_trampoline): Declare.
5862
5863 Thu Apr  5 19:02:15 CEST 2001  Jan Hubicka  <jh@suse.cz>
5864
5865         * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
5866         (lea_0): Rename to lea_1.
5867         (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
5868         (lea_general_?): Allow SImodes on TARGET_64BIT
5869         (lea_general_?_zext): New patterns.
5870         (call_1, call_1_rex64): Fix.
5871
5872 Thu Apr  5 19:00:15 CEST 2001  Jan Hubicka  <jh@suse.cz>
5873
5874         * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
5875
5876 Thu Apr  5 18:25:56 CEST 2001  Jan Hubicka  <jh@suse.cz>
5877
5878         * i386.c (function_arg): Return constm1_rtx for last argument.
5879         (ix86_expand_prologue): Update gen_call calls.
5880         * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
5881         * i386.md (call_pop): Likewise.
5882         (call): Second operand is VOIDmode.
5883         (call_0): Likewise; Support 64bits.
5884         (call_exp): New expander.
5885         (call_1): Get to the sync.
5886         (call_1_exp): New pattern.
5887         (call_value): Support 64bit.
5888         (call_value_exp): New pattern.
5889         (untyped_call): Update gen_call call.
5890         (call_value_pop): Disable for 64bit.
5891         (call_value_0_rex64): New pattern.
5892         (call_value_1_rex64): Likewise.
5893
5894 2001-04-05  Bo Thorsen  <bo@suse.de>
5895
5896         * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
5897
5898 Thu Apr  5 13:44:17 2001  J"orn Rennecke <amylaar@redhat.com>
5899
5900         * i386.md (*andsi_1+3): If used after reload, make sure the operand
5901         satisfies ANY_QI_REG_P.
5902
5903 2001-04-05  Bernd Schmidt  <bernds@redhat.com>
5904
5905         * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
5906         ASM_OPERAND.
5907
5908         * sched-deps.c (sched_analyze_insn): Revert more of the March 27
5909         change.
5910
5911 2001-04-04  Zack Weinberg  <zackw@stanford.edu>
5912
5913         * config.gcc: Remove default for xm_file.  Clean up local
5914         machine type handling.  Remove settings of xm_file to
5915         something that doesn't exist.  In the big switch, set xm_file,
5916         don't append to it (the value before the big switch is always
5917         null).  Don't force build_xm_file or host_xm_file to have a value.
5918         * configure.in: Remove default for xm_file.  Do not special
5919         case $cpu/xm-$cpu.h not existing.
5920         * configure: Regenerate.
5921
5922 2001-04-04  Diego Novillo  <dnovillo@redhat.com>
5923
5924         * simplify-rtx.c (simplify_binary_operation): Check for overflow
5925         when folding integer division and modulo operations.
5926
5927 2001-04-04  Andrew MacLeod  <amacleod@redhat.com>
5928
5929         * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
5930         instead of DWARF2_ADDR_SIZE for EH addresses.
5931         (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
5932         EH addresses.
5933
5934 2001-04-04  Richard Henderson  <rth@redhat.com>
5935
5936         * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
5937         * config/ia64/t-glibc (LIB2ADDEH): Disable.
5938         * config/ia64/t-ia64 (LIB2ADDEH): Disable.
5939
5940 2001-04-04  Richard Henderson  <rth@redhat.com>
5941
5942         * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
5943         * configure: Rebuilt.
5944
5945 2001-04-04  Jakub Jelinek  <jakub@redhat.com>
5946
5947         * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
5948         push insns to delete to it instead of deleting them.
5949         (delete_null_pointer_checks): Delete insns from delete_list after
5950         all delete_null_pointer_checks_1 passes are done.
5951
5952 2001-04-04  Richard Henderson  <rth@redhat.com>
5953
5954         * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
5955         * configure: Rebuilt.
5956
5957 2001-04-04  Zack Weinberg  <zackw@stanford.edu>
5958
5959         * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
5960         * config/romp/xm-romp.h: Delete.
5961
5962 2001-04-04  Bernd Schmidt  <bernds@redhat.com>
5963
5964         * sched-deps.c (sched_analyze_insn): Partially revert March 27
5965         change.
5966
5967 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5968
5969         * emit-rtl.c (mark_label_nuses) Increment the label uses for
5970         all labels present in rtx.
5971         (try_split) Call new function for all split insns.
5972
5973 2001-04-04  Jakub Jelinek  <jakub@redhat.com>
5974
5975         * recog.c (validate_replace_rtx_1): Instead of aborting just make
5976         sure the change won't be validated.
5977
5978 Wed Apr  4 00:45:38 EDT 2001  John Wehle  (john@feith.com)
5979
5980         * rtl.h (set_noop_p): Declare.
5981         * flow.c (set_noop_p): Move from here ...
5982         * rtlanal.c (set_noop_p): ... to here and enhance.
5983         * cse.c (delete_trivially_dead_insns): Use it.
5984         * gcse.c (hash_scan_set): Likewise.
5985         * jump.c (delete_noop_moves): Likewise.
5986         * recog.c (split_all_insns): Likewise.
5987
5988 2001-04-04  Alan Modra  <alan@linuxcare.com.au>
5989
5990         * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
5991         stack pointer via a LO_SUM.  Ditto for setting a temp register
5992         used to save to the stack.  Set cfa_temp when setting fp, and
5993         allow matches to cfa_temp in addition to cfa_store when saving
5994         regs.  Handle POST_INC and LO_SUM register stores.  Document the
5995         changes and errors in rule 12 doco.
5996
5997         * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
5998         (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
5999         (load_reg): Move closer to epilogue code.
6000         (DO_FRAME_NOTES): Define to control the following..
6001         (FRP): Define to set RTX_FRAME_RELATED_P on insns.
6002         (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
6003         notes as necessary.
6004         (hppa_expand_epilogue): Likewise.
6005
6006 2001-04-03  Richard Henderson  <rth@redhat.com>
6007
6008         * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
6009         * configure: Rebuild.
6010
6011 2001-04-03  Richard Henderson  <rth@redhat.com>
6012
6013         * rtl.h (LCT_THROW): New.
6014         * calls.c (emit_library_call_value_1): Handle it.
6015         * except.c (connect_post_landing_pads): Use it.
6016
6017 2001-04-03  Zack Weinberg  <zackw@stanford.edu>
6018
6019         * gansidecl.h: Delete file.
6020         * configure.in: Change all refs to gansidecl.h to use
6021         ansidecl.h.  Adjust *_file_list so they know where ansidecl.h
6022         lives.
6023         * configure: Regenerate.
6024
6025         * Makefile.in (intl.o): Don't depend on gansidecl.h.
6026         * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
6027         * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
6028         Don't include gansidecl.h.
6029         * intl.c, main.c, version.c, fixinc/fixlib.h,
6030         fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
6031         gansidecl.h.
6032
6033 Tue Apr  3 19:41:21 CEST 2001  Jan Hubicka  <jh@suse.cz>
6034
6035         * i386.c (ix86_force_to_memory, ix86_free_from_memory):
6036         Update for 64bit.
6037
6038 2001-04-03  Zack Weinberg  <zackw@stanford.edu>
6039
6040         * config/i386/xm-beos.h, config/i386/xm-isc.h,
6041         config/i386/xm-next.h, config/i386/xm-sco.h,
6042         config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
6043         config/m88k/xm-m88k.h: Delete.
6044
6045         * config/i386/xm-djgpp.h: Don't define __MSDOS__.
6046         * config/romp/xm-romp.h: Don't define bcopy.
6047         * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
6048         HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
6049
6050         * config.gcc: Remove references to deleted files.
6051
6052         14 xm-host.h remain, 1 xm-cpu.h.
6053
6054 2001-04-03  Jakub Jelinek  <jakub@redhat.com>
6055             David S. Miller  <davem@pierdol.cobaltmicro.com>
6056             Andrew MacLeod  <amacleod@redhat.com>
6057
6058         Use byte offsets in SUBREGs instead of words.
6059
6060         * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
6061         * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
6062         to pass new argument.
6063         (add_stored_regs): Use subreg_regno_offset function.
6064         * calls.c (expand_call): For non-paradoxical SUBREG take endianess
6065         into account.
6066         (precompute_arguments): Use gen_lowpart_SUBREG.
6067         * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
6068         (combine_simplify_rtx): Rework to use SUBREG_BYTE.
6069         (simplify_set): Rework to use SUBREG_BYTE.
6070         (expand_field_assignment): Use SUBREG_BYTE.
6071         (make_extraction): Use SUBREG_BYTE.
6072         (if_then_else_cond): Use SUBREG_BYTE.
6073         (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
6074         (gen_lowpart_for_combine): Compute full byte offset.
6075         * cse.c (mention_regs): Use SUBREG_BYTE.
6076         (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
6077         (canon_hash): Use SUBREG_BYTE.
6078         (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
6079         (gen_lowpart_if_possible): Formatting.
6080         * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
6081         correctly.
6082         * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
6083         (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6084         (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6085         * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
6086         (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6087         (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6088         * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
6089         certain invariants about SUBREGs the compiler creates.
6090         (gen_lowpart_SUBREG): New function.
6091         (subreg_hard_regno): New function to get the final register number.
6092         (gen_lowpart_common): Use SUBREG_BYTE.
6093         (gen_imagpart): Spacing nits.
6094         (subreg_realpart_p): Use SUBREG_BYTE.
6095         (gen_highpart): Use SUBREG_BYTE.
6096         (subreg_lowpart_p): Always compute endian corrected goal offset,
6097         even at the byte level, then compare against that.
6098         (constant_subword): New function, pulled out all constant cases
6099         from operand_subword and changed second argument name to offset.
6100         (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
6101         and call constant_subword to do the work.  Return const0_rtx if
6102         looking for a word outside of OP.
6103         (operand_subword_force): Change second arg name to offset.
6104         * expmed.c (store_bit_field): Use SUBREG_BYTE.
6105         (store_split_bit_field): Use SUBREG_BYTE.
6106         (extract_bit_field): Use SUBREG_BYTE.
6107         (extract_split_bit_field): Use SUBREG_BYTE.
6108         (expand_shift): Use SUBREG_BYTE.
6109         * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
6110         * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
6111         * flow.c (set_noop_p): Use SUBREG_BYTE.
6112         (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
6113         * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
6114         (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
6115         correction code.
6116         (optimize_bit_field): Use SUBREG_BYTE.
6117         (purge_addressof_1): Use SUBREG_BYTE.
6118         (purge_single_hard_subreg_set): Use subreg_regno_offset function.
6119         (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
6120         actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
6121         * gengenrtl.c (special_rtx): Add SUBREG.
6122         * global.c (mark_reg_store): Use SUBREG_BYTE.
6123         (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
6124         * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
6125         * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
6126         final byte offset is congruent to subreg's mode size.
6127         (subst_constants): Use SUBREG_BYTE.
6128         (mark_stores): Use subreg_regno_offset function.
6129         * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
6130         function and SUBREG_BYTE.
6131         * local-alloc.c (combine_regs): Use subreg_regno_offset function.
6132         (reg_is_born): Use subreg_hard_regno.
6133         * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
6134         endian correction code.  Don't combine subregs unless resulting
6135         offset aligns with type.  Fix subreg constant extraction for DImode.
6136         Simplify SUBREG of VOIDmode CONST_DOUBLE.
6137         (general_operand): Remove dead mode_altering_drug code.
6138         (indirect_operand): Use SUBREG_BYTE.
6139         (constrain_operands): Use subreg_regno_offset function.
6140         * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
6141         * regmove.c (regmove_optimize): Use SUBREG_BYTE.
6142         (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
6143         * regs.h (REG_SIZE): Allow target to override.
6144         (REGMODE_NATURAL_SIZE): New macro which target can override.
6145         * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
6146         on the entire subreg rtx.
6147         (push_reload): Use SUBREG_BYTE in comments and code.
6148         (find_dummy_reload): Use subreg_regno_offset.  Only adjust offsets
6149         for hard registers inside subregs.
6150         (operands_match_p): Use subreg_regno_offset.
6151         (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
6152         containing hard regs.
6153         (find_reload_toplev): Use SUBREG_BYTE.  Remove byte endian
6154         corrections when fixing up MEM subregs.
6155         (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
6156         subreg_regno_offset where appropriate.
6157         (find_reloads_subreg_address): Use SUBREG_BYTE.  Remove
6158         byte endian corrections when fixing up MEM subregs.
6159         (subst_reloads): When combining two subregs, make sure final
6160         offset is congruent to subreg's mode size.
6161         (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
6162         (refers_to_regno_for_reload_p): Use subreg_regno.
6163         (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
6164         * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
6165         correction code for memory subreg fixups.
6166         (forget_old_reload_1): Use subreg_regno_offset.
6167         (choose_reload_regs): Use subreg_regno.
6168         (emit_input_reload_insns): Use SUBREG_BYTE.
6169         (reload_combine_note_store): Use subreg_regno_offset.
6170         (move2add_note_store): Use subreg_regno_offset.
6171         * resource.c (update_live_status, mark_referenced_resources): Use
6172         subreg_regno function.
6173         (mark_set_resources): Use subreg_regno function.
6174         * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
6175         (subreg_regno_offset, subreg_regno): Define prototypes.
6176         (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
6177         (gen_lowpart_SUBREG): Add prototype.
6178         * rtl.texi (subreg): Update to reflect new byte offset representation.
6179         Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
6180         * rtlanal.c (refers_to_regno_p): Use subreg_regno.
6181         (reg_overlap_mentioned_p): Use subreg_regno.
6182         (replace_regs); Make sure final offset of combined subreg is
6183         congruent to size of subreg's mode.
6184         (subreg_regno_offset): New function.
6185         (subreg_regno): New function.
6186         * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
6187         * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
6188         * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
6189         * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
6190         (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
6191         * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
6192         (a29k_get_reloaded_address): Use SUBREG_BYTE.
6193         (print_operand): Use SUBREG_BYTE.
6194         * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
6195         * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
6196         (arm_reload_out_hi): Use SUBREG_BYTE.
6197         * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
6198         instead of SUBREG_WORD.
6199         (d30v_print_operand_memory_reference): Use subreg_regno_offset.
6200         * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
6201         SUBREG creation to use byte offset.
6202         * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
6203         inverted load insns): Fix explicit rtl subregs to use byte
6204         offsets.
6205         * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
6206         udivsi3, umodsi3): Generate SUBREGs with byte offsets.
6207         * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
6208         * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
6209         to use byte offsets.
6210         (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
6211         * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
6212         offsets, also make sure it is congruent to SUBREG's mode size.
6213         (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
6214         unnamed ldob insn): Generate SUBREGs with byte offset.
6215         (zero_extendqihi2): SUBREG's are byte offsets.
6216         * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
6217         (m68hc11_gen_highpart): Use SUBREG_BYTE.
6218         * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
6219         zero-extendqisi2): Generate SUBREGs with byte offset.
6220         (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
6221         subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
6222         subregs in rtl to use byte offsets.
6223         * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
6224         * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
6225         (mips_move_2words): Use subreg_regno_offset.
6226         (mips_secondary_reload_class): Use subreg_regno_offset.
6227         * config/mips/mips.md (DImode plus, minus, move, and logical op
6228         splits): Fixup explicit subregs in rtl to use byte offsets.
6229         * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
6230         * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
6231         * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
6232         rtl to use byte offsets.
6233         * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
6234         * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
6235         subregs to use byte offsets.
6236         * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
6237         Fixup explicit subregs in rtl to use byte offsets.
6238         * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
6239         and remove byte endian correction code.
6240         * config/sh/sh.c (output_movedouble): Use subreg_regno.
6241         (gen_ashift_hi): Use SUBREG_BYTE.
6242         (regs_used): Use subreg_regno_offset.
6243         (machine_dependent_reorg): Use subreg_regno_offset.
6244         * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
6245         * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
6246         (movdf_i4): Subregs are byte offsets now.
6247         * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
6248         * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
6249         (REGMODE_NATURAL_SIZE): Override.
6250         (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
6251         * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
6252         with byte offsets.
6253         (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
6254         extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
6255         extendqidi2): Generate SUBREGs with byte offsets, also make sure
6256         it is congruent to SUBREG's mode size.
6257         (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
6258         offsets.
6259         (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
6260         cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
6261         lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
6262         SUBREG_BYTE offset for non-paradoxical subregs in patterns.
6263         * config/v850/v850.c (print_operand, output_move_double): Use
6264         subreg_regno function.
6265
6266 2001-04-03  Alexandre Oliva  <aoliva@redhat.com>
6267
6268         * configure.in (target_subdir): Use target_alias, not target.
6269         * configure: Rebuilt.
6270
6271         * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
6272         other way round.
6273         * config/sh/crti.asm: Fix typos in comments.
6274
6275 2001-04-03  Alan Modra  <alan@linuxcare.com.au>
6276
6277         * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
6278         TARGET_FAST_INDIRECT_CALLS.
6279         * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
6280         -fPIC.  Don't warn.
6281         (return_addr_rtx): Short circuit export stub matching when
6282         TARGET_NO_SPACE_REGS.
6283         (output_millicode_call): For out of range calls, make -fPIC
6284         take precedence, then TARGET_PORTABLE_RUNTIME, then ble.  Don't
6285         return before delay slot checks when TARGET_PORTABLE_RUNTIME.
6286         * pa.md: Modify length attr calculation of all millicode insns to
6287         match above.
6288
6289 2001-04-02  Geoffrey Keating  <geoffk@redhat.com>
6290
6291         * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
6292         Require at least 2.11 in the version test.  Specifically check
6293         for and reject GAS version 2.10.90.
6294         * configure: regenerate.
6295
6296 2001-04-03  Alan Modra  <alan@linuxcare.com.au>
6297
6298         * pa.c (override_options): Remove PIC profiling warning.
6299         (hp_profile_labelno): Delete.
6300         (hp_profile_label_rtx): Delete.
6301         (hp_profile_label_name): Delete.
6302         (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
6303         (output_function_prologue): Remove profiling code and all tests on
6304         profile_flag.  Move store of PIC_OFFSET_TABLE_REGNUM now that
6305         merge_sp_adjust_with_store can work for PIC and profiling.
6306         (hppa_expand_epilogue): Remove profile_flag test.
6307         (hppa_can_use_return_insn_p): Likewise.
6308         (hppa_init_pic_save): Emit before tail_recursion_reentry, and
6309         cater for PROFILE_HOOK.
6310         (hppa_profile_hook): New function.
6311         * pa.h (FUNCTION_PROFILER): Now does nothing.
6312         (PROFILE_HOOK): Define.
6313         (hppa_profile_hook): Declare.
6314         (PROFILE_BEFORE_PROLOGUE): Delete.
6315         (ASM_OUTPUT_REG_PUSH): Delete.
6316         (ASM_OUTPUT_REG_POP): Delete.
6317         * pa.md (call_profiler): Turn it into a call insn, and don't `use'
6318         r24.  Accept function name operand, and use this and a locally
6319         generated label to calculate pc-rel offset to func start.
6320
6321 2001-04-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6322
6323         * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
6324         ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
6325         $(SYSTEM_H).
6326
6327 2001-04-03  Alan Modra  <alan@linuxcare.com.au>
6328
6329         * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
6330         LO_SUM cases to where they belong.
6331
6332 2001-04-02  Richard Henderson  <rth@redhat.com>
6333
6334         * except.h (lang_eh_type_covers): Mark extern.
6335         (lang_eh_runtime_type): Likewise.
6336
6337 2001-04-02  Zack Weinberg  <zackw@stanford.edu>
6338
6339         * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
6340         gengenrtl.c:  Wrap generated header in multiple-include guard.
6341         Improve error checking.
6342
6343 2001-04-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6344
6345         * configure.in: Don't check for putenv.
6346         * configure: Regenerate.
6347         * gcc.c (putenv): Don't define.
6348         * vax/xm-vms.h: Handle putenv.
6349
6350 2001-04-02  Jakub Jelinek  <jakub@redhat.com>
6351
6352         * ifcvt.c (noce_emit_move_insn): New.
6353         (noce_try_store_flag, noce_try_store_flag_constants,
6354         noce_try_store_flag_inc, noce_try_store_flag_mask,
6355         noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
6356         noce_try_abs): Use it.
6357         (noce_process_if_block): Likewise.
6358         For STRICT_LOW_PART, take mode from its SUBREG.
6359
6360 2001-04-02  Jakub Jelinek  <jakub@redhat.com>
6361
6362         * fold-const.c (fold): Before optimizing unsigned comparison with
6363         0x7fffffffU, make sure arg0 is integral type.
6364
6365 2001-04-02  Joseph S. Myers  <jsm28@cam.ac.uk>
6366
6367         * c-tree.texi: Document representation of wide strings.
6368
6369 2001-04-01  Richard Henderson  <rth@redhat.com>
6370
6371         * except.h (expand_builtin_dwarf_fp_regnum): Declare.
6372
6373 Sun Apr  1 11:49:05 CEST 2001  Jan Hubicka  <jH@suse.cz>
6374
6375         * i386.md: remove obsoleted comments.
6376         (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
6377         (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
6378         fix output template.
6379
6380 2001-03-31  Marek Michalkiewicz  <marekm@linux.org.pl>
6381
6382         * config/avr/libgcc.S (__mulhi3): Optimize previous change.
6383
6384 2001-03-30  Bernd Schmidt  <bernds@redhat.com>
6385
6386         * loop.c (load_mems): When generating a load from a pseudo, update
6387         REGNO_LAST_UID.
6388
6389 Fri Mar 30 17:36:43 CEST 2001  Jan Hubicka  <jh@suse.cz>
6390
6391         * i386.c (ix86_split_long_move): Use change address to compensate
6392         stack pointer change in push instruction.
6393
6394 Fri Mar 30 00:31:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
6395
6396         * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
6397         instead of rtx_equal_p; fix the output template.
6398
6399 Fri Mar 30 00:21:41 CEST 2001  Jan Hubicka  <jh@suse.cz>
6400
6401         * i386.c (ix86_expand_setcc): Support 64bit.
6402         (ix86_expand_int_movcc): Likewise.
6403         * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
6404         New patterns.
6405
6406         * i386.md (allocate_stack_worker): Turn to expander.
6407         (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
6408
6409         * i386.c (print_reg): Do not print x86_64 style regs on IA-32
6410
6411 2001-03-29  Richard Henderson  <rth@redhat.com>
6412
6413         * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
6414
6415 2001-03-28  Matthew Hiller  <hiller@redhat.com>
6416
6417         * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
6418         output template.
6419
6420         * MAINTAINERS: Added self.
6421
6422 2001-03-28  Richard Henderson  <rth@redhat.com>
6423
6424         * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
6425         Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
6426
6427 2001-03-28  Jim Wilson  <wilson@redhat.com>
6428
6429         * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
6430         operand_subword.
6431
6432 2001-03-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6433
6434         * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
6435
6436         * tradcif.y (yyerror): Likewise.  Add format specifier in call to
6437         `error'.
6438
6439         * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
6440
6441 2001-03-28  DJ Delorie  <dj@redhat.com>
6442
6443         * Makefile.in (stage1_build): Revert CFLAGS patch.
6444
6445 2001-03-28  Marek Michalkiewicz  <marekm@linux.org.pl>
6446
6447         * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
6448         when multiplier or multiplicand is zero.
6449
6450 2001-03-28  Bernd Schmidt  <bernds@redhat.com>
6451
6452         * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
6453
6454         * config/ia64/ia64.c (update_set_flags): New function, broken out of
6455         rtx_needs_barrier.
6456         (set_src_needs_barrier): Likewise.
6457         (rtx_needs_barrier): For SET case, use these two functions.  Rework
6458         PARALLEL case to handle all inputs before all outputs.
6459         (emit_insn_group_barriers): Call init_insn_group_barriers only if we
6460         saw a label and no stop bit since then.
6461         (maybe_rotate, process_epilogue): Add prototypes.
6462
6463 2001-03-28  Richard Henderson  <rth@redhat.com>
6464
6465         * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
6466         not TARGET_TOC for special toc restore handling.
6467         * config/rs6000/rs6000.md (eh_return): Likewise.
6468
6469 2001-03-28  Richard Henderson  <rth@redhat.com>
6470
6471         * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
6472         current_function_calls_eh_return.
6473         (output_function_epilogue): Handle eh_return.
6474         * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
6475         (EH_RETURN_DATA_REGNO): New.
6476         (EH_RETURN_STACKADJ_RTX): New.
6477         (EH_RETURN_HANDLER_RTX): New.
6478         * config/sparc/sparc.md (call/short branch peepholes): Check
6479         can_throw_internal instead of in_same_eh_region.
6480
6481         * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
6482         for eh_return data registers.
6483         (rs6000_emit_prologue): Save eh_return data registers.
6484         (rs6000_emit_epilogue): Force inline restores if eh_return.
6485         Restore eh_return data registers.  Mind EH_RETURN_STACKADJ_RTX.
6486         * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
6487         (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
6488         (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
6489         the target uses one.
6490         * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
6491         (return_eh_si, return_eh_di): Remove.
6492         (eh_return): New, from corpse of eh_epilogue.
6493         (eh_set_lr_si, eh_set_lr_di): New.
6494
6495         * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
6496         (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
6497         True for pic register if current_function_calls_eh_return.
6498         (ix86_expand_epilogue): Change "emit_return" argument into "style".
6499         Handle eh_return requirements.
6500         * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
6501         (EH_RETURN_STACKADJ_RTX): New.
6502         * config/i386/i386.md (exception_receiver): Remove.
6503         (eh_return, eh_return_1): New.
6504         * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6505
6506         * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
6507         (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
6508         (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
6509         * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
6510         (EH_RETURN_DATA_REGNO): New.
6511         (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
6512         * config/alpha/alpha.md (eh_epilogue): Remove.
6513         (exception_receiver): Use $26 for ldgp input.
6514         * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6515
6516 2001-03-28  Richard Henderson  <rth@redhat.com>
6517
6518         * except.c: Rewrite entirely for IA-64 ABI exception handling.
6519         * except.h: Likewise.
6520
6521         * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
6522         (LIB2ADDEHDEP): New.
6523         (LIB2FUNCS_EH): Remove.
6524         (LIB2ADD): Remove LIB2ADDEH.
6525         (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
6526         (LIBGCC_DEPS): Use LIB2ADDEHDEP.
6527         (crt{begin,end}[S].o): Likewise.
6528         (except.o): Update includes.
6529         * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
6530         (libgcc2_c_dep): Use LIB2ADDEHDEP.
6531
6532         * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
6533         * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
6534         * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
6535         * builtins.c (expand_builtin): Implement it.
6536         [BUILT_IN_EH_RETURN]: Update for nr arguments change.
6537         * c-common.c (c_common_nodes_and_builtins): Declare it.
6538         * c-decl.c (init_decl_processing): Update __builtin_eh_return.
6539         * calls.c (libfunc_nothrow): Remove.
6540         (emit_library_call_value_1): Don't call it.
6541         * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
6542         * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
6543         (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
6544         * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
6545         (current_funcdef_number): Globalize.
6546         (output_call_frame_info): Emit frame data if an lsda is needed.
6547         Generate augmentation for personality routine.  Don't play with
6548         difference symbols.
6549         (dwarf2out_begin_prologue): Record funcdef_number.
6550         * dwarf2out.h (current_funcdef_number): Declare.
6551         * expr.c (expand_expr): Update for except.h name changes.
6552         Remove POPDCC_EXPR, POPDHC_EXPR.  Add EXC_PTR_EXPR.
6553         * expr.h (LTI_throw, LTI_rethrow): Remove.
6554         (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
6555         (LTI_eh_rtime_match): Remove.
6556         (LTI_unwind_resume, LTI_eh_personality): Add.
6557         (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
6558         * final.c (final): Don't call check_exception_handler_labels,
6559         init_insn_eh_region, or free_insn_eh_region.
6560         (final_scan_insn): Always emit debug labels for
6561         NOTE_INSN_EH_REGION notes.
6562         * flags.h (flag_new_exceptions): Remove.
6563         * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
6564         (record_active_eh_regions): Remove.
6565         (count_basic_blocks): Check all instructions for REG_EH_REGION.
6566         Use can_throw_internal.
6567         (find_basic_blocks_1): Likewise.
6568         (move_stray_eh_region_notes): Remove.
6569         (find_label_refs): No eh_return_stub_label.
6570         (make_edges): Likewise.  No init/free_eh_nesting_info.  Handle RESX.
6571         (make_eh_edge): No eh_nest_info.  Update for reachable_handlers
6572         changes.
6573         (delete_unreachable_blocks): Don't track deleted handlers.
6574         (flow_delete_block): Use maybe_remove_eh_handler.
6575         (delete_eh_regions): Remove.
6576         (merge_blocks): Don't check for eh region match.
6577         (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
6578         EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
6579         (init_propagate_block_info): Disable dead frame store optimization
6580         when current_function_calls_eh_return.
6581         (dump_bb): Don't print eh_beg, eh_end.
6582         * function.c (fixup_var_refs): No catch_clauses.
6583         (expand_function_end): Likewise.  Call expand_eh_return before
6584         the return register use.  Call sjlj_emit_function_exit_after.
6585         (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
6586         * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
6587         * ifcvt.c (dead_or_predicable): Remove eh region check.
6588         * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
6589         Don't check for EH vs parameters.
6590         (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
6591         (expand_inline_function): Call duplicate_eh_regions.
6592         (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
6593         (copy_insn_notes): Remap REG_EH_REGION notes.
6594         (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
6595         * integrate.h (struct inline_remap): Add local_return_label.
6596         * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
6597         check_exception_handler_labels, nor exception_optimize.
6598         (find_cross_jump): No EH region check.
6599         * optabs.c (init_optabs): Update for changed eh libfuncs.
6600         * rtl.def (RESX): New.
6601         * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
6602         * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
6603         checks.  Update for except.h name changes.
6604         (expand_cleanups): Likewise.
6605         (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
6606         * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
6607         (compile_file): Call init_eh before init_optabs.  Don't
6608         output_exception_table here.
6609         (rest_of_compilation): Call convert_from_eh_region_ranges,
6610         convert_to_eh_region_ranges, output_function_exception_table.
6611         Don't emit_eh_context.
6612         * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
6613         (EXC_PTR_EXPR): New.
6614
6615         * md.texi (eh_epilogue): Remove.
6616         (eh_return): Document.
6617         * tm.texi (EH_RETURN_DATA_REGNO): Document.
6618         (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
6619
6620         * eh-common.h: Remove file.
6621         * frame-dwarf2.c, frame.c, frame.h: Remove files.
6622         * libgcc2.c (L_eh): Remove.
6623
6624         * unwind-dw2-fde.c: New file, largely copied from frame.c.
6625         * unwind-dw2-fde.h: New file.
6626         * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
6627         * unwind-sjlj.c, unwind.h, unwind.inc: New files.
6628         * libgcc-std.ver: Update for eh symbols.
6629
6630 2001-03-27  Richard Henderson  <rth@redhat.com>
6631
6632         * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
6633         reduce false positives.
6634         (regmove_optimize): Disable if flag_non_call_exceptions.
6635
6636         * stmt.c (expand_return): Remove always true predicate.
6637         (expand_decl_cleanup_no_eh): Remove dead code.
6638
6639         * sched-deps.c (sched_analyze_insn): Consolidate scheduling
6640         barrier code.  Add a scheduling barrier if a non-call insn
6641         can throw internally.
6642
6643         * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
6644         Auto-inc addresses trap only if their base register does.
6645
6646         * except.c (can_throw_internal): Rename from can_throw.
6647         * except.h, resource.c: Update references.
6648
6649         * integrate.c (copy_insn_list): Use returnjump_p.
6650         (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
6651
6652         * function.h (struct function): Move all boolean valued fields
6653         to single bit fields at the end of the struct.
6654
6655         * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
6656         jump.c, toplev.c:
6657         Rename asynchronous_exceptions to flag_non_call_exceptions.
6658
6659         * gthr-single.h (UNUSED): New.  Distinguish between how C
6660         and C++ mark unused function arguments.  Use throughout.
6661
6662         * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
6663         value to target configuration header.
6664         * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
6665         * config.in, configure: Rebuild.
6666         * except.h (USING_SJLJ_EXCEPTIONS): New.  Define based on
6667         configuration and target defines.
6668         (exceptions_via_longjmp): Remove.
6669         * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
6670         Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
6671
6672         * except.h (flag_non_call_exceptions): Move ...
6673         * flags.h: ... here.
6674
6675         * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
6676         exceptions, put the note on the trapping instruction.
6677
6678         * flags.h (flag_new_exceptions): Remove.
6679         * toplev.c: Don't set it.
6680         * final.c: Don't check it.
6681         * except.c: Provide stub definition.
6682
6683         * flow.c (tidy_fallthru_edges): Don't combine complex edges.
6684         (calculate_global_regs_live): Kill call-clobbered registers
6685         across exception edges.
6686         * reg-stack.c (convert_regs_1): Kill the entire target stack
6687         across non-call exception edges.
6688
6689         * flow.c (cleanup_cfg): Take no argument.
6690         * output.h, sibcall.c, toplev.c: Update all calls.
6691
6692 2001-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6693
6694         * configure.in: Don't check for bcopy.
6695         * configure, config.in: Regenerate.
6696
6697         * system.h: Don't define or prototype bcopy, instead poison it.
6698
6699 2001-03-27  Richard Henderson  <rth@redhat.com>
6700
6701         * function.c (expand_function_start): Set DECL_REGISTER on
6702         a pseudo used for DECL_RESULT.
6703
6704         * rtl.h (LCT_NORETURN): New.
6705         * calls.c (emit_library_call_value_1): Handle it.
6706
6707 2001-03-27  Stan Shebs  <shebs@apple.com>
6708
6709         * objc/objc-act.c (objc_init): Use dump_base_name.
6710         (gen_declaration): Clear the buffer arg.
6711         (gen_declaration_1): New function, body of gen_declaration.
6712         (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
6713         (gen_method_decl): Ditto, plus always clear buffer arg.
6714         (error_with_ivar): Simplify.
6715         (warn_with_method): Ditto.
6716         (build_message_expr): Don't clear buffers.
6717         (dump_interface): Ditto.
6718         (objc_debug): Ditto.
6719         (build_keyword_selector): Clear the buffer by only zeroing
6720         the first element.
6721         (objc_implementation_context): Declare.
6722         (start_class): Warn about missing @end.
6723         (finish_objc): Ditto.
6724
6725 2001-03-28  John David Anglin  <dave@hiauly1.hia.nrc.ca>
6726
6727         * reload1.c (eliminate_regs): Don't abort on MEM USEs.
6728
6729 2001-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6730
6731         * Makefile.in (SYSTEM_H): Define.
6732         Depend on $(SYSTEM_H), not system.h.
6733
6734         * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
6735
6736 2001-03-27  Jim Wilson  <wilson@redhat.com>
6737
6738         * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
6739         IA64_UNWIND_EMIT.
6740         * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
6741         (process_epilogue): New static function.
6742         (process_set): Call process_epilogue instead of emitting .restore
6743         directly.
6744         (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
6745
6746         * flow.c (struct reg_cond_life_info): New fields orig_condition
6747         and stores.
6748         (init_propagate_block_info): Set new fields.
6749         (mark_regno_cond_dead): Set and use new fields.
6750         (flush_reg_cond_reg_1): Likewise.
6751         (and_reg_cond, case AND): Check for redundant AND conditions.
6752         (mark_used_reg): Delete unnecessary clears before freeing splay trees.
6753         Set new fields.
6754
6755 2001-03-27  Neil Booth  <neil@daikokuya.demon.co.uk>
6756
6757         * cppmacro.c (stringify_arg): Null terminate strings.
6758
6759 2001-03-27  Zack Weinberg  <zackw@stanford.edu>
6760
6761         * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
6762         inclusion style.  xm-m68hc11.h no longer exists.
6763         * config/m68hc11/xm-m68hc11.h: Delete file.
6764         * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
6765
6766         * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
6767         Don't define GCC_VERSION, N_, or PARAMS; don't include
6768         gansidecl.h or stdio.h.  Define inhibit_libc here.
6769         Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6770         Delete code conditioned on #if GCC_VERSION == 2095.
6771
6772         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
6773         Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6774         Delete code conditioned on #if GCC_VERSION == 2095.
6775
6776 2001-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6777
6778         * system.h: Include symcat.h.
6779         (STRINGIFY): Don't define.
6780
6781         * configure.in: Adjust comment.
6782
6783         * builtins.c: Use STRINGX, not STRINGIFY.
6784         * gencheck.c: Likewise.
6785         * gengenrtl.c: Likewise.
6786         * protoize.c: Likewise.
6787
6788         * cpplex.c: Don't include symcat.h.
6789         * cpplib.c: Likewise.
6790
6791         * gansidecl.h (HAVE_STRINGIZE): Don't define.
6792
6793 2001-03-27  Alan Modra  <alan@linuxcare.com.au>
6794
6795         * c-typeck.c (digest_init): Fold init expression.
6796
6797 2001-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6798
6799         * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
6800
6801 2001-03-27  Alan Modra  <alan@linuxcare.com.au>
6802
6803         * except.c (eh_regs): Save results of build_pointer_type to a temp
6804         as FUNCTION_VALUE macro may evaluate its args multiple times.
6805
6806 2001-03-26  Mark Mitchell  <mark@codesourcery.com>
6807
6808         * c-common.h (DECL_NUM_STMTS): New macro.
6809         * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
6810         DECL_FRAME_SIZE.
6811         (pushdecl): Likewise.
6812         * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
6813         * integrate.c (expand_inline_function): Don't check
6814         DECL_FRAME_SIZE.
6815         * print-tree.c (print_node): Don't print it.
6816         * toplev.c (rest_of_compilation): Don't try to inline when
6817         flag_no_inline is on.
6818         * tree.h (DECL_FRAME_SIZE): Remove.
6819         (tree_decl): Adjust accordingly.
6820
6821 2001-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6822
6823         * combine.c (try_combine): Use memcpy, not bcopy.
6824
6825         * genattrtab.c (expand_units): Likewise.
6826
6827 Mon Mar 26 15:55:08 CEST 2001  Jan Hubicka  <jh@suse.cz>
6828
6829         * i386.md (push mem DI peep2): New.
6830         (mov 0, mov -1 peep2): Handle 64bit.
6831         (lea to arithmetics peep2): Handle 64bit leas.
6832         (rsp arithmetics to push/pop peep2s): New.
6833
6834         * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
6835
6836 Mon Mar 26 14:35:18 CEST 2001  Jan Hubicka  <jh@suse.cz>
6837
6838         * i386.c (struct machine_function): Add save_varrargs_registers.
6839         (ix86_save_varrargs_registers): New macro.
6840         (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
6841         (ix86_expand_prologue): Likewise.
6842         (ix86_emit_epilogue_esp_adjustement): Likewise.
6843         (ix86_expand_epilogue): Likewise.
6844         * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
6845         (pro_epilogue_adjust_stack_1): New insn.
6846         (pro_epilogue_adjust_stack_rex64): Likewise.
6847         * i386.h (MASK_NO_RED_ZONE): New constant.
6848         (TARGET_RED_ZONE): New macro.
6849         (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
6850         (RED_ZONE_SIZE): New constant.
6851         (RED_ZONE_RESERVE): New constant.
6852
6853 2001-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6854
6855         * toplev.c (set_float_handler): Use memcpy, not bcopy.
6856
6857 2001-03-25  Kazu Hirata  <kazu@hxi.com>
6858
6859         * config/h8300/h8300.md (umodqi3): Output a tab instead of a
6860         space.
6861         (modqi3): Likewise.
6862         (umodhi3): Likewise.
6863         (modhi3): Likewise.
6864
6865 2001-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6866
6867         * mkconfig.sh (DEFINES): Handle entries with '='.
6868
6869         * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
6870         Set xm_defines to MACRO=value instead.
6871
6872         * i370/xm-mvs.h: Delete.
6873
6874         * ns32k/xm-pc532-min.h: Likewise.
6875
6876 Sun Mar 25 15:01:40 CEST 2001  Jan Hubicka  <jh@suse.cz>
6877
6878         * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
6879         shiftdi_operand;
6880         use ix86_expand_binary_operator
6881         (?sh??i_?): Disable for 64bit.
6882         * i386.h (PREDICATE_CODES): Add shiftdi_operand.
6883         * i386.c (shiftdi_operand): New predicate.
6884
6885         * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
6886         ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
6887         ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
6888         ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
6889         ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
6890         lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
6891         lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
6892         rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
6893         rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
6894         rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
6895         (rotldi3, rotrdi3): New expanders.
6896
6897 Sun Mar 25 14:25:33 CEST 2001  Jan Hubicka  <jh@suse.cz>
6898
6899         * i386.md (movstrsi): Move offline.
6900         (movstrdi): New.
6901         (strmovdi_rex64): New.
6902         (strmov?i): Accept 64bit.
6903         (strmov?i_rex64): New.
6904         (strmov?i_rex_1): New.
6905         (strmov?i_1): Disable for 64bit.
6906         (rep_mov?i_rex64): New.
6907         (rep_mov?i): Disable for 64bit.
6908         (clrstrsi): Move offline.
6909         (strset?i_rex64): New.
6910         (strset?i: Accept 64bit.
6911         (rep_stos?i): Disable for 64bit.
6912         (rep_stos?i_rex64): New.
6913         (strset?i_rex_1): New.
6914         (strset?i_1): Disable for 64bit.
6915         (cmpstrsi): Accept 64bit.
6916         (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
6917         (cmpstrqi_nz_rex_1): New.
6918         (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
6919         (strlensi): Move offline.
6920         (strlendi): New.
6921         (strlenqi_1): Disable for 64bit; fix constraints.
6922         (strlenqi_rex_1): New.
6923         * i386.c (ix86_adjust_counter): New static function.
6924         (ix86_zero_extend_to_Pmode): Likewise.
6925         (ix86_expand_aligntest): Likweise.
6926         (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
6927         (ix86_expand_movstr): New global function.
6928         (ix86_expand_clrstr): New global function.
6929         (ix86_expand_strlen): New global function.
6930         * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
6931         ix86_expand_strlen): Declare.
6932         (ix86_expand_strlensi_unroll_1): Delete.
6933
6934 Sat Mar 24 23:15:19 CET 2001  Jan Hubicka  <jh@suse.cz>
6935
6936         * i386.md (cmpdi): Fix operand predicates.
6937         (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
6938          cmpdi_1_insn_rex64): New patterns.
6939         (adddi3): Turn to expander.
6940         (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
6941         (addsi3_carry_zext): New pattern.
6942         (adddi_?_rex64): New patterns and splitters.
6943         (addsi_?_zext): New patterns.
6944         (subsi3_carry_zext): New pattern.
6945         (subdi_?_rex64): New patterns and splitters.
6946         (iorsi_?_zext): New patterns.
6947         (iordi_?_rex64): New patterns and splitters.
6948         (iorsi_?_zext): New patterns.
6949         (iorsi_?_zext_imm): New patterns.
6950         (xorsi_?_zext): New patterns.
6951         (xordi_?_rex64): New patterns and splitters.
6952         (xorsi_?_zext): New patterns.
6953         (negdi*): New patterns.
6954         (one_cmpldi*): Likewise.
6955         (one_cmplsi*_zext, negsi*_zext): Likewise.
6956         (testqi_ext_3_rex64): New pattern.
6957
6958 Sat Mar 24 21:13:28 CET 2001  Jan Hubicka  <jh@suse.cz>
6959
6960         * i386-protos.h (ix86_split_long_move): Return void.
6961         * i386.c (ix86_split_to_parts): Handle 64bit target.
6962         (ix86_split_long_move): Likewise.
6963         * i386.md (all calls to ix86_split_long_move): Update.
6964
6965 2001-03-23  Richard Henderson  <rth@redhat.com>
6966
6967         * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
6968         to avoid shadowing arguments.
6969
6970 2001-03-23  Jakub Jelinek  <jakub@redhat.com>
6971
6972         * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
6973         to variable names where DECL_NAME is different from
6974         DECL_ASSEMBLER_NAME.
6975
6976 2001-03-23  Jim Wilson  <wilson@redhat.com>
6977
6978         * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
6979         (assemble_alias): Call make_decl_rtl.
6980
6981 Fri Mar 23 16:59:08 2001  J"orn Rennecke <amylaar@redhat.com>
6982
6983         * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
6984
6985 2001-03-23  Bryce McKinlay  <bryce@albatross.co.nz>
6986
6987         * extend.texi: Document the "java_interface" attribute.
6988
6989 2001-03-22  Zack Weinberg  <zackw@stanford.edu>
6990
6991         * mkconfig.sh: Use a subshell with redirected stdout,
6992         instead of closing stdout and confusing commands that run
6993         afterward.  Throw away output of cmp.
6994
6995 2001-03-22  Gordon Sadler  <gbsadler1@lcisp.com>
6996
6997         * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
6998
6999 Thu Mar 22 22:15:59 CET 2001  Jan Hubicka  <jh@suse.cz>
7000
7001         * i386.md (zero_extendsidi2_32): Break out from ...
7002         (zero_extendsidi2): ... here ; turn to expander.
7003         (zero_extendsidi2_rex64): New.
7004         (extendsidi2_32): Break out from ...
7005         (extendsidi2): ... here ; turn to expander.
7006         (extendsidi2_rex64): New.
7007         (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
7008         (trunc?f?f splitters): Add 64bit versions.
7009
7010 Thu Mar 22 21:41:16 CET 2001  Jan Hubicka  <jh@suse.cz>
7011
7012         * i386.md (pushsi, pushsi2_prologue): Disable.
7013         (pushsi2_rex64): New.
7014         (movabs?i_1_rex64, movabs?i_2_rex64): New.
7015         (movqi_ext_1): Disable for 64bit.
7016         (movqi_ext_1_rex64): New.
7017         (pushdi2_rex64): New pattern, peep2s and splitter.
7018         (pushdi2_prologue_rex64): New pattern.
7019         (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
7020         Likewise.
7021         (movdi splitters): Disable for 64bit.
7022         (movdi_1_rex64): New pattern, peep2s and splitters.
7023         (swapdi): New pattern.
7024         (pushsf): Disable for 64bit.
7025         (pushsf_rex64): New pattern and splitter.
7026         (pushdf_nointeger): Disable for 64bit.
7027         (pushdf_integer): Handle the 64bit case.
7028         (pushtf): Likewise; update splitters.
7029
7030 2001-03-22  Richard Henderson  <rth@redhat.com>
7031
7032         * mkconfig.sh: Include insn-flags.h.
7033         * Makefile.in (CONFIG_H): Include insn-flags.h.
7034         (lots of objects): Remove insn-codes.h and insn-flags.h.
7035
7036         * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
7037         integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
7038         regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
7039         avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
7040         dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
7041         i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
7042         m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
7043         mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
7044         pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
7045         v850/v850.c, vax/vax.c:
7046         Don't include insn-flags.h.
7047
7048         * diagnostic.c, expr.h, reload.c, toplev.c:
7049         Don't include insn-codes.h.
7050
7051         * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
7052         final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
7053         c4x/c4x.c, i960/i960.c, mips/mips.c:
7054         Don't include insn-codes.h or insn-flags.h.
7055
7056         * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
7057         or insn-flags.h in the generated code.
7058         * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
7059         (main): Forward declare struct rtx_def.
7060
7061 2001-03-22  Joseph S. Myers  <jsm28@cam.ac.uk>
7062
7063         * invoke.texi (-ffast-math): Remove duplicate line about
7064         __FAST_MATH__.
7065
7066         * gcc.texi: Remove more obsolete documentation of bugs and
7067         installation problems.
7068
7069 2001-03-21  Kazu Hirata  <kazu@hxi.com>
7070
7071         * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
7072         into two parts.
7073
7074 2001-03-20  Jason Merrill  <jason@redhat.com>
7075
7076         * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
7077         not '.' or '$'.
7078         * tree.c (FILE_FUNCTION_FORMAT): Likewise.
7079         * varasm.c (CHKR_PREFIX): Likewise.
7080
7081 Wed Mar 21 14:27:11 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7082
7083         * gcse.c (hash_scan_set): An expression is not anticipatible if it
7084         is part of a multi-SET insn.
7085
7086         * cse.c (find_comparison_args): Remove previous change.
7087         * ifcvt.c (noce_process_if_block): When moving an insn, remove any
7088         REG_EQUAL notes.
7089
7090         * config/i386/i386.md (conditional_trap): Remove warning.
7091
7092         * recog.c (push_operand): Fix error in last change that caused
7093         undefined symbol on many targets.
7094
7095         * sdbout.c: #include ggc.h.
7096         (sdbout_init): Move to end of file.
7097         Call ggc_add_tree_root for anonymous_types.
7098         (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
7099         (sdbout_one_type): Use DECL_NAME for field name.
7100         * Makefile.in (sdbout.o): Show includes ggc.h.
7101
7102 Wed Mar 21 20:33:26 CET 2001  Jan Hubicka  <jh@suse.cz>
7103
7104         * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
7105         (override_options): Use properlimits for preferred_stack_boundary.
7106         (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
7107         on x86_64.
7108         (ext_register_operand): Accept DImode.
7109         (load_pic_register): Abort on 64bit.
7110         (gen_push): Use Pmode instead of SImode.
7111         (ix86_save_reg): Pic reg is never used on 64bit.
7112         (ix86_expand_prologue): Likewise.
7113         (ix86_emit_save_regs): Use Pmode instead of SImode.
7114         (legitimate_address_p): Check displacement for 64bit.
7115         (print_operand): Avoid outputting of (%rip) on 64bit.
7116         (print_operand_address): Output (%rip) where possible.
7117         (split_di): Abort on 64bit registers.
7118         (ix86_expand_branch): DImode comparison is simple for x86_64.
7119         (memory_address_length): Recognize memory addresses formed using
7120         PRE/POST modify.
7121         (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
7122         for x86_64.
7123         * i386.h (TARGET_USE_SAHF): Disable for 64bit.
7124
7125 Wed Mar 21 18:51:19 CET 2001  Jan Hubicka  <jh@suse.cz>
7126
7127         * recog.c (push_operand): Recognize new format of push instructions.
7128
7129 Wed Mar 21 10:53:57 CET 2001  Jan Hubicka  <jh@suse.cz>
7130
7131         * i386.md (pushqi1): New.
7132         * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
7133         x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
7134         x86_64_immediate_operand, x86_64_immediate_operand,
7135         x86_64_zext_immediate_operand): Declare.
7136         * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
7137         x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
7138         x86_64_immediate_operand, x86_64_immediate_operand,
7139         x86_64_zext_immediate_operand): define.
7140         * i386.h (PREDICATE_CODES): Add new predicates.
7141
7142 Wed Mar 21 10:25:13 CET 2001  Jan Hubicka  <jh@suse.cz>
7143
7144         * i386.md (pophi1, popqi1, pushqi1): Remove.
7145
7146         * expr.c (emit_single_push_insn): New function.
7147         (move_by_pieces): Accept NULL as destination for push instructions.
7148         (gen_push_operand): Kill.
7149         (emit_push_insn): Pass NULL when pushing; avoid updating of
7150         stack_pointer_delta.
7151         * expr.h (gen_push_operand): Kill.
7152
7153 Tue Mar 20 20:15:06 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7154
7155         * rtl.texi (COMPARE): Clarify documentation and reference section
7156         on comparisons.
7157
7158 2001-03-20  Stan Shebs  <shebs@apple.com>
7159
7160         * objc/objc-act.c (get_static_reference): Use NULL_TREE.
7161         (get_object_reference): Ditto.
7162         (error_with_ivar): Use error_with_file_and_line.
7163         (warn_with_method): Use warning_with_file_and_line.
7164
7165 2001-03-20  Tom Tromey  <tromey@redhat.com>
7166
7167         * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
7168
7169 2001-03-20  Mark Mitchell  <mark@codesourcery.com>
7170
7171         * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
7172         variables that are TREE_PUBLIC, even if not TREE_STATIC.
7173
7174 2001-03-20  DJ Delorie  <dj@redhat.com>
7175
7176         * Makefile.in (install-libgcc): Pass complete list of variables.
7177         (install-multilib): Ditto.
7178
7179 2001-03-20  David Billinghurst  <David.Billinghurst@riotinto.com>
7180
7181         * config/i386/cygwin.h: Declare ctor_section, dtor_section
7182         drectve_section, switch_to_section.
7183
7184         * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
7185         i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
7186         i386_pe_mark_dllimport.
7187
7188 2001-03-20  David Billinghurst <David.Billinghurst@riotinto.com>
7189
7190         * config/i386/cygwin.h: Include <stdio.h> Declare and constify
7191         functions i386_pe_*.
7192
7193         * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
7194         i386_pe_* functions with char * arguments.
7195
7196 2001-03-20  Alexandre Oliva  <aoliva@redhat.com>
7197
7198         * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
7199         and store.
7200         (movsi_ie): Introduce fpul store.
7201
7202 2001-03-20  Alan Modra  <alan@linuxcare.com.au>
7203
7204         * Makefile.in (OBJS): Remove hashtab.o.
7205
7206 2001-03-19  Stan Shebs  <shebs@apple.com>
7207
7208         * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
7209         * c-lang.c (maybe_objc_method_name): Ditto.
7210         * c-tree.h (maybe_objc_method_name): Remove decl.
7211
7212 2001-03-19  Tom Tromey  <tromey@redhat.com>
7213
7214         * gcc.c (init_gcc_specs): Fix comment.
7215
7216 2001-03-19  Mark Mitchell  <mark@codesourcery.com>
7217
7218         Compute DECL_ASSEMBLER_NAME lazily.
7219         * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
7220         (DECL_ASSEMBLER_NAME_SET_P): New macro.
7221         (SET_DECL_ASSEMBLER_NAME): Likewise.
7222         (COPY_DECL_ASSEMBLER_NAME): Likewise.
7223         (set_decl_assembler_name): Declare.
7224         (lang_set_decl_assembler_name): Likewise.
7225         * tree.c (lang_set_decl_assembler_name): New variab.e
7226         (set_decl_assembler_name): New function.
7227         (init_obstacks): Set lang_set_decl_assembler_name.
7228         (build_decl): Don't set DECL_ASSEMBLER_NAME.
7229         * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
7230         COPY_DECL_ASSEMBLER_NAME, etc.  Don't set DECL_ASSEMBLER_NAME
7231         where it's not necessary.
7232         (builtin_function): Likewise.
7233         (finish_decl): Likewise.
7234         * dbxout.c (dbxout_type_methods): Likewise.
7235         * ggc-common.c (ggc_mark_trees): Likewise.
7236         * profile.c (output_func_start_profiler): Likewise.
7237         * varasm.c (make_decl_rtl): Likewise.
7238
7239         * cse.c (find_comparison_args): Update documentation.  Fix
7240         mishandling of COMPARE operations.
7241
7242         * tree.def (ABS_EXPR): Add documentation.
7243         * fold-const.c (fold): Improve folding of ABS_EXPRs.
7244
7245 2001-03-19  Zack Weinberg  <zackw@stanford.edu>
7246
7247         * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
7248
7249 2001-03-19  Jakub Jelinek  <jakub@redhat.com>
7250
7251         * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
7252         Remove ia32 linux PIC kludge and move it...
7253         * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
7254
7255 Mon Mar 19 18:53:54 CET 2001  Jan Hubicka  <jh@suse.cz>
7256
7257         * i386.md (absdf2 expander): Fix 64bit case.
7258
7259 2001-03-19  Brad Lucier  <lucier@math.purdue.edu>
7260
7261         * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
7262
7263 2001-03-16  Andrew Haley  <aph@cambridge.redhat.com>
7264
7265         * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
7266
7267 2001-03-19  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
7268
7269         * README.X11: Remove obsolete file.
7270
7271 2001-03-18  Anthony Green  <green@redhat.com>
7272
7273         * config/pj/pj.h: Remove some trailing commas.
7274         (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
7275
7276 2001-03-18  Richard Henderson  <rth@redhat.com>
7277
7278         * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
7279         * calls.c: ... here.
7280         * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
7281         defaults for them here.
7282
7283 2001-03-17  Anthony Green  <green@redhat.com>
7284
7285         * config/pj/lib1funcs.S: Fix broken comment.
7286         * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
7287         labels with '.'.
7288
7289 2001-03-18  Joseph S. Myers  <jsm28@cam.ac.uk>
7290
7291         * gcc.texi: Remove obsolete information relating to build and
7292         installation problems with enquire or the Pyramid C compiler.
7293
7294 2001-03-17  Richard Henderson  <rth@redhat.com>
7295
7296         * dwarf2out.c (queue_reg_save): New.
7297         (flush_queued_reg_saves, clobbers_queued_reg_save): New.
7298         (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
7299         dwarf2out_reg_save.
7300         (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
7301         (cfa, cfa_store, cfa_temp): Make static.
7302         * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
7303
7304 2001-03-17  Richard Henderson  <rth@redhat.com>
7305
7306         * integrate.h (struct inline_remap): Add local_return_label.
7307         * integrate.c (expand_inline_function): Initialize it and emit
7308         it after copy_insn_notes.
7309         (copy_insn_list): Don't store local_return_label here.
7310         (copy_insn_notes): New function split out from copy_insn_list.
7311
7312 2001-03-17  Richard Henderson  <rth@redhat.com>
7313
7314         * dwarf2out.c (lookup_filename): Emit .file if the assembler
7315         is generating .debug_line.
7316         (dwarf2out_init): Add main_input_filename to the file table first.
7317         * configure.in (as_dwarf2_debug_line): Test with file number 1
7318         instead of file number 0.
7319
7320 Sat Mar 17 11:52:34 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7321
7322         * combine.c (undobuf): Remove field previous_undos; all refs deleted.
7323         (gen_rtx_combine): Deleted; all references changed as appropriate.
7324         (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
7325
7326         * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
7327
7328 2001-03-17  David Billinghurst  <David.Billinghurst@riotinto.com>
7329
7330         * config/i386/xm-cygwin.h: Include <sys/cygwin.h.  Remove unused
7331         variable.
7332
7333 2001-03-16  Jim Wilson  <wilson@redhat.com>
7334
7335         * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
7336         then set it to LOC_REG (79) instead of aborting.
7337
7338 2001-03-16  Phil Edwards  <pme@sources.redhat.com>
7339
7340         * gccbug.in:  Remove high priority.
7341
7342 2001-03-16  Richard Henerson  <rth@redhat.com>
7343
7344         * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
7345         output with a space instead of deleting it.
7346         * configure: Regenerate.
7347
7348 2001-03-16  Zack Weinberg  <zackw@stanford.edu>
7349
7350         * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
7351         handles the gory details of converting an object file into
7352         something that's safe to grep.
7353         (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
7354         gcc_AC_C_COMPILE_ENDIAN.  Use gcc_AC_EXAMINE_OBJECT.  Put
7355         newlines at either end of the string we're looking for.
7356         Make 'checking ...' message less stilted.
7357         (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT.  Handle
7358         ARM in-memory layout and its hypothetical converse.  Don't
7359         define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
7360         HOST_WORDS_BIG_ENDIAN.
7361
7362         * configure.in: Adjust for renamed macro.  Move
7363         gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
7364         * configure, config.in: Regenerate.
7365
7366 2001-03-16  Laurynas Biveinis  <lauras@softhome.net>
7367
7368         * fixinc/Makefile.in: Set SHELL.
7369
7370 2001-03-16  Laurynas Biveinis  <lauras@softhome.net>
7371
7372         * fixinc/fixincl.c (fix_with_system): Quote file names before
7373         passing them to shell.
7374
7375 2001-03-16  Laurynas Biveinis  <lauras@softhome.net>
7376
7377         * Makefile.in: Use fix-header$(build_exeext) instead
7378         of fix-header.
7379
7380 2001-03-16  Richard Henderson  <rth@redhat.com>
7381
7382         * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
7383         (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
7384         (size_of_line_prolog): Remove.
7385         (output_line_info): Compute prologue size via label difference.
7386         (lookup_filename): Return "unspecified" for <internal> and <built-in>.
7387
7388         * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
7389         assembler error when redefining file numbers.
7390         * config.in, configure: Rebuild.
7391
7392         * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
7393         (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
7394         (dw2_asm_output_delta_uleb128): Likewise.
7395         (dw2_asm_output_delta_sleb128): Similarly.
7396         (dw2_asm_output_data_sleb128): Similarly.  Print number in decimal.
7397
7398 2001-03-16  Michael Meissner  <meissner@redhat.com>
7399
7400         * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
7401         warnings.
7402         (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
7403         warnings.
7404         (BITMASK_LOWER16): Replacement for 0x0000ffff.
7405
7406         * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
7407         instead of 0xffff0000/0x0000ffff to avoid warnings about constants
7408         being unsigned in ISO C and signed in traditional.
7409         (expand_prologue): Ditto.
7410         (RA_MASK): Use BITMASK_HIGH to avoid warnings.
7411
7412         * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
7413         warnings.
7414         (divsi3,divdi3): Ditto.
7415         (modsi3,moddi3): Ditto.
7416         (fix_truncdfsi2,fix_truncdfdi2): Ditto.
7417         (fix_truncsfsi2,fix_truncsfdi2): Ditto.
7418         (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
7419         warnings.
7420
7421 Fri Mar 16 14:47:57 CET 2001  Jan Hubicka  <jh@suse.cz>
7422
7423         * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
7424         SSE based conditional moves on LTGT/UNEQ conditions;
7425         Canonicalize EQ to NE.
7426         * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
7427         (sse_mov?fcc_ne): New.
7428
7429         * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
7430
7431 2001-03-16  Alexandre Oliva  <aoliva@redhat.com>
7432
7433         * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
7434         register may be dead.
7435
7436 2001-03-16  Brad Lucier  <lucier@math.purdue.edu>
7437
7438         * Makefile.in (hash.o): Depend on CONFIG_H.
7439
7440 2001-03-15  Mark Mitchell  <mark@codesourcery.com>
7441
7442         * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
7443
7444 2001-03-15  Richard Henderson  <rth@redhat.com>
7445
7446         * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
7447         (ASM_OUTPUT_DWARF_PCREL): New.
7448         * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
7449
7450 2001-03-16  Alexandre Oliva  <aoliva@redhat.com>
7451
7452         * cppfiles.c (stack_include_file): Use MAX of sysp.
7453
7454 2001-03-15  Steve Ellcey  <sje@cup.hp.com>
7455
7456         * config.gcc (ia64*-*-hpux*): New case.
7457         * config/ia64/hpux.h: New file for HP-UX support.
7458         * config/ia64/t-hpux: New file for HP-UX support.
7459
7460 2001-03-16  Bruce Korb  <bkorb@gnu.org>, Alexandre Oliva  <aoliva@redhat.com>
7461
7462         * fixinc/inclhack.def (irix_stdio_va_list): New.
7463         * fixinc/fixincl.x: Rebuilt.
7464
7465 2001-03-15  Richard Henderson  <rth@redhat.com>
7466
7467         * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
7468         if provided by the target.
7469         (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
7470         (dw2_asm_output_addr): New.
7471         * dwarf2asm.h (dw2_asm_output_addr): Declare.
7472         * dwarf2out.c (output_cfi): Use it for program addresses.
7473         (output_call_frame_info, output_die): Likewise.
7474         (output_aranges, output_line_info): Likewise.
7475
7476 2001-03-15  Bruce Korb  <bkorb@gnu.org>
7477
7478         * gcc.c(main): make more rigorous
7479         * collect2.c(main): guard against ignoring SIGCHLD
7480         * protoize.c(main): ditto
7481         * gcc/fixinc/fixincl.c(initialize): ditto
7482
7483 2001-03-15  Mark Mitchell  <mark@codesourcery.com>
7484
7485         * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
7486         (sdbout_parms): Likewise.
7487
7488 Thu Mar 15 12:57:14 2001  Jeffrey A Law  (law@cygnus.com)
7489
7490         * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
7491         "widen" a destination that is already wider than a word.  Also do
7492         not widen if LOAD_EXTEND_OP is NIL for the given mode.
7493
7494 2001-03-15  Bernd Schmidt  <bernds@redhat.com>
7495
7496         * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
7497
7498 Thu Mar 15 11:30:31 EST 2001  John Wehle  (john@feith.com)
7499
7500         * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
7501
7502 Thu Mar 15 11:24:29 EST 2001  John Wehle  (john@feith.com)
7503
7504         * i960.h (i960_maxbitalignment,
7505         i960_last_maxbitalignment): Declare.
7506         * i960.c (i960_maxbitalignment,
7507         i960_last_maxbitalignment): Make global.
7508         (process_pragma): Delete.
7509         (i960_pr_align, i960_pr_noalign): Move from here ...
7510         * i960-c.c: ... to this new file.
7511         * t-960bare (i960-c.o): New rule.
7512         * t-vxworks960 (i960-c.o): Likewise.
7513         * config.gcc (i960-*-*): Define c_target_objs and
7514         cxx_target_objs.
7515
7516 2001-03-15  Bernd Schmidt  <bernds@redhat.com>
7517
7518         * cselib.c (hash_rtx): For REG and MEM, just use value of expression
7519         without adding in rtx code and mode.
7520
7521         * alias.c (init_alias_analysis): Don't use any rtx whose value
7522         varies as a known value.
7523         Delete a superfluous test.
7524
7525         * config/ia64/ia64.c (maybe_rotate): New function, broken out of
7526         ia64_sched_reorder.
7527         (ia64_sched_reorder): Call maybe_rotate; also rotate after
7528         scheduling a stop bit.
7529         (ia64_emit_nops): Correctly handle ASMs.
7530
7531 2001-03-15  Mark Mitchell  <mark@codesourcery.com>
7532
7533         * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
7534
7535 2001-03-15  Neil Booth  <neil@daikokuya.demon.co.uk>
7536
7537         * cpp.texi: Update documentation for -include and -imacros.
7538         * cppfiles.c (struct include_file): Remove "defined" memeber.
7539         (find_or_create_entry): Make a copy of the file name, and
7540         simplify it.
7541         (open_file): Update to ensure we use the simplified filename.
7542         (stack_include_file): Don't set search_from.
7543         (cpp_included): Don't simplify the path name here.
7544         (find_include_file): New prototype.  Call search_from to
7545         get the start of the "" include chain.  Don't simplify the
7546         filenames here.
7547         (_cpp_execute_include): New prototype.  Move diagnostics to
7548         do_include_common.  Update.
7549         (_cpp_pop_file_buffer): Don't set defined.
7550         (search_from): New prototype.  Use the preprocessor's cwd
7551         for files included from the command line.
7552         (read_name_map): Don't simplify the pathname here.
7553         * cpphash.h (enum include_type): New.
7554         (struct buffer): Delete search from.  New search_cached.
7555         (_cpp_execute_include): Update prototype.
7556         * cppinit.c (do_includes): Use _cpp_execute_include.
7557         * cpplib.c (do_include_common): New function.
7558         (do_include, do_include_next, do_import): Use it.
7559
7560 2001-03-14  Mark Mitchell  <mark@codesourcery.com>
7561
7562         * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
7563         contents of the RTL, to determine the name of the object.
7564
7565 2001-03-14  Mark Mitchell  <mark@codesourcery.com>
7566
7567         * tree.h (DECL_RTL): Allocate RTL lazily.
7568         (SET_DECL_RTL): New macro.
7569         (DECL_RTL_SET_P): Likewise.
7570         (COPY_DECL_RTL): Likewise.
7571         (DECL_RTL_IF_SET): Likewise.
7572         * varasm.c (make_decl_rtl): Add assertions about the kind of
7573         declaration we are processing.
7574         * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
7575         (start_decl): Likewise.
7576         (finish_decl): Likewise.
7577         * c-semantics.c (emit_local_var): Likewise.
7578         * calls.c (expand_call): Likewise.
7579         * dbxout.c (dbxout_symbol): Likewise.
7580         * emit-rtl.c (unshare_all_rtl): Likewise.
7581         (unshare_all_decls): Likewise.
7582         (reset_used_decls): Likewise.
7583         * expr.c (store_constructor): Likewise.
7584         (safe_from_p): Likewise.
7585         (expand_expr): Likewise.
7586         * function.c (put_var_into_stack): Likewise.
7587         (instantiate_decls_1): Likewise.
7588         (assign_parms): Likewise.
7589         (expand_function_start): Likewise.
7590         (expand_function_end): Likewise.
7591         * ggc-common.c (gcc_mark_trees): Likewise.
7592         * integrate.c (function_cannot_inline_p): Likewise.
7593         (copy_decl_for_inlining): Likewise.
7594         (expand_inline_function): Likewise.
7595         (integrate_parm_decls): Likewise.
7596         (integrate_decl_tree): Likewise.
7597         * print-tree.c (print_node): Likewise.
7598         * reg-stack.c (stack_result): Likewise.
7599         * stmt.c (label_rtx): Likewise.
7600         (expand_return): Likewise.
7601         (expand_decl): Likewise.
7602         (expand_decl_cleanup): Likewise.
7603         (expand_anon_union_decl): Likewise.
7604         * toplev.c (check_global_declarations): Likewise.
7605         (rest_of_decl_compilation): Likewise.
7606         * tree.c (simple_cst_equal): Likewise.
7607         * objc/objc-act.c (generate_static_references): Likewise.
7608
7609 2001-03-14  Zack Weinberg  <zackw@stanford.edu>
7610
7611         * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
7612         gcc_AC_C_FLOAT_FORMAT): New macros.
7613         * configure.in: Add AC_PROG_CPP after CC tests;
7614         gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
7615         tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
7616         * configure, config.in: Regenerate.
7617
7618         * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
7619         config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7620         config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7621         config/i370/xm-linux.h, config/i370/xm-oe.h,
7622         config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7623         config/m68k/xm-m68k.h, config/mips/xm-mips.h,
7624         config/pa/xm-linux.h, config/pa/xm-pa.h,
7625         config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
7626         config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
7627         config/sparc/xm-sparc.h, config/vax/xm-vax.h,
7628         config/we32k/xm-we32k.h: Delete.
7629
7630         * config/i370/xm-mvs.h, config/m88k/m88k.h,
7631         config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7632         config/vax/xm-vms.h: Don't define any of:
7633         HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
7634
7635         * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
7636
7637         * config.gcc: Remove references to deleted files.
7638         (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
7639         FATAL_EXIT_CODE, which is the same between oe and mvs).
7640
7641 2001-03-14  DJ Delorie  <dj@redhat.com>
7642             Vladimir Makarov  <vmakarov@redhat.com>
7643
7644         * config/i960/i960.c (i960_function_prologue): Compute size of
7645         frame according to number of registers actually saved there.
7646
7647 2001-03-14  Richard Henderson  <rth@redhat.com>
7648
7649         * expr.c (emit_move_insn_1): Fix else if around #endif.
7650
7651 Wed Mar 14 22:39:12 CET 2001  Jan Hubicka  <jh@suse.cz>
7652                               Vojtech Pavlik
7653
7654         * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
7655         constraints.
7656
7657 Wed Mar 14 22:26:10 CET 2001  Jan Hubicka  <jh@suse.cz>
7658
7659         * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
7660         (override_options): Parse cmodel string.
7661         (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
7662         * i386.h (TARGET_OPTIONS): Add "cmodel".
7663         (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
7664         (enum cmodel): New.
7665         (ix86_cmodel_string, ix86_cmodel): Declare.
7666
7667 Wed Mar 14 22:26:54 CET 2001  Jan Hubicka  <jh@suse.cz>
7668
7669         Spot by Matt Kraai:
7670         * i386.h (GENERAL_REG_P): Add missing REG_P.
7671
7672 2001-03-14  Laurynas Biveinis  <lauras@softhome.net>
7673
7674         * configure.in: Use $gcc_cv_as instead of $as.
7675         * configure: Regenerated.
7676
7677 2001-03-14  Neil Booth  <neil@daikokuya.demon.co.uk>
7678
7679         * cppfiles.c (stack_include_file): Only increase the include
7680         count if we actually process the file properly, as opposed
7681         to treating it as length zero.  Only call read_include_file
7682         if not DO_NOT_REREAD.  Handle the -H include file output
7683         here.
7684         (read_include_file): Remove now redundant DO_NOT_REREAD check.
7685         (cpp_included, find_include_file): Simplify pathnames after
7686         remapping them.  If remapping, don't use the remapped file
7687         name's buffer as our scratch buffer.
7688         (cpp_pop_file_buffer): Replace the multiple include macro
7689         only if it isn't yet set.
7690         (read_name_map): Simplify remapped names when reading in.
7691         (remap_filename): Move code to code path that uses it.
7692         (_cpp_simplify_pathname): Return the input pointer.
7693         * cpphash.h (_cpp_simplify_pathname): Update prototype.
7694
7695 2001-03-14  Mark Mitchell  <mark@codesourcery.com>
7696
7697         * expr.c (expand_expr): Revove bogus conditional.
7698
7699 Wed Mar 14 19:29:50 CET 2001  Jan Hubicka  <jh@suse.cz>
7700
7701         * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
7702
7703 2001-03-14  Jakub Jelinek  <jakub@redhat.com>
7704
7705         * reg-stack.c (stack_result): Unconditionally use
7706         FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
7707
7708 Wed Mar 14 16:36:25 CET 2001  Jan Hubicka  <jh@suse.cz>
7709
7710         * expr.c (emit_move_insn_1):  Split push of complex value when
7711         no suitable push instruction exist.
7712
7713         * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
7714         instead of QI_REG_P.
7715
7716 Tue Mar 13 22:22:04 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7717
7718         * alias.c (handled_component_p, can_address_p): New functions.
7719         (get_alias_set): Use them.
7720
7721 2001-03-13  Jim Wilson  <wilson@redhat.com>
7722
7723         * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
7724         from 80 in try_locals code.
7725         (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
7726
7727 2001-03-13  Zack Weinberg  <zackw@stanford.edu>
7728
7729         * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
7730         gcc_AC_C_LONG_LONG): New.
7731         * configure.in: Use them.  Probe the size of short, int, long,
7732         and long long/__int64 if we have them.  Move all the AC_C_*
7733         checks together, except gcc_AC_C_CHAR_BIT which has to go
7734         after AC_CHECK_HEADERS(limits.h).
7735         Take hwint.h out of host_xm_file and build_xm_file.
7736
7737         * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
7738         HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
7739         and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
7740         Move the HOST_WIDEST_INT setup logic here from system.h.
7741         Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
7742         defined.
7743         * system.h: Include hwint.h after limits.h.  HOST_WIDEST_INT
7744         is now handled by hwint.h.
7745
7746         * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
7747         config/c4x/xm-c4x.h, config/i370/xm-oe.h,
7748         config/ia64/xm-ia64.h: Don't define any of:
7749         HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
7750         HOST_BITS_PER_LONGLONG.
7751
7752         * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
7753         config/h8300/xm-h8300.h, config/mips/iris6.h,
7754         config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
7755         config/sparc/xm-sp64.h: Delete.
7756         * config.gcc: Remove references to deleted files.
7757
7758         * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
7759         HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
7760         * config/i370/xm-linux.h: Clarify floating-point situation in
7761         a comment.
7762
7763 2001-03-13  Neil Booth  <neil@daikokuya.demon.co.uk>
7764
7765         * cppfiles.c (NO_INCLUDE_PATH): New macro.
7766         (find_include_file): Decide here which part of the include
7767         chain to start the search.  Complain about an empty include
7768         chain in all cases apart from an abolsute file name.
7769         (_cpp_execute_include): Don't choose the search chain here.
7770         Don't call handle_missing_include in the case of an empty
7771         include chain.
7772         (_cpp_compare_file_date): Don't choose the search chain here.
7773         * cpplib.c (do_include_next): Move the in-main-file diagnostic
7774         here from _cpp_execute_include.  Behave like #include if
7775         we're in the main file.
7776
7777 2001-03-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7778
7779         * system.h (malloc, realloc, calloc, strdup): Only poison these
7780         tokens when IN_GCC is defined.
7781
7782 Tue Mar 13 14:38:44 CET 2001  Jan Hubicka  <jh@suse.cz>
7783
7784         * i386.md (abs?f expander): Support SSE case.
7785         (abd?f_if): Add new "USE"; add splitters.
7786
7787 2001-03-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7788
7789         * cpp.texi (poison): Explain the macro expansion exception.
7790
7791 2001-03-13  Jakub Jelinek  <jakub@redhat.com>
7792
7793         * expr.c (store_expr): Add dont_store_target.  If temp is already in
7794         target before copying to reg, don't store it into target again.
7795
7796 2001-03-12  Neil Booth  <neil@daikokuya.demon.co.uk>
7797
7798         * cppinternals.texi: Update for file handling.
7799
7800 2001-03-12  Jeffrey Oldham  <oldham@codesourcery.com>
7801
7802         * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
7803         2001-02-24 which broke building the Java library.
7804         * function.c (identify_blocks): Likewise.
7805         (all_blocks): Likewise.
7806         * integrate.c (integrate_decl_tree): Likewise.
7807         * print-tree.c (print_node): Likewise.
7808         * tree.h (BLOCK_NUMBER): Likewise.
7809         (struct tree_block): Likewise.
7810
7811 2001-03-12  David Edelsohn  <edelsohn@gnu.org>
7812
7813         * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
7814         __WCHAR_TYPE__ definition.
7815         (WCHAR_TYPE_SIZE): #undef before #define.
7816
7817 2001-03-12  Neil Booth  <neil@daikokuya.demon.co.uk>
7818
7819         * cppfiles.c: Update comments.
7820         (destroy_include_file_node): Rename destroy_node.
7821         (find_or_create_entry): New function.
7822         (open_file, _cpp_fake_include): Use it.
7823         (handle_missing_header): New function, broken out of
7824         _cpp_execute include.  Don't segfault if there is no
7825         system or quoted path.
7826         (_cpp_execute_include): Use handle_missing_header.
7827
7828 2001-03-12  Jeffrey Oldham  <oldham@codesourcery.com>
7829
7830         * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
7831         2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
7832
7833 Mon Mar 12 14:05:32 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7834
7835         * flow.c (insn_dead_p): Don't consider two memrefs equivalent
7836         unless anti_dependence says they are.
7837         * alias.c (objects_must_conflict): If neither has a type specified,
7838         they must conflict.
7839
7840 2001-03-12  Neil Booth  <neil@daikokuya.demon.co.uk>
7841             David Billinghurst <David.Billinghurst@riotinto.com>
7842
7843         * config/mips/iris5.h:  Change WCHAR_TYPE to int.
7844
7845 Mon Mar 12 16:32:21 CET 2001  Jan Hubicka  <jh@suse.cz>
7846
7847         * i386.md (trunctfdf2_2): Rename missnamed pattern.
7848         (*_one_bit): Remove type on the match_operand in attributes.
7849
7850 Mon Mar 12 16:27:56 CET 2001  Jan Hubicka  <jh@suse.cz>
7851
7852         * i386.c: Commit forgotten hunk in previous patch.
7853         (regclass_map): Add extended registers.
7854         (dbx_register_map): Add missing frame register.
7855
7856 Mon Mar 12 15:41:08 CET 2001  Jan Hubicka  <jh@suse.cz>
7857
7858         * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
7859
7860         * i386.md (x86_sahf_1): Disable for 64bit.
7861         (popsi*, pophi*): Likewise.
7862         (pushqi, pushhi): Likewise.
7863         (movdi, pushdi): Likewise.
7864         (zero extend DImode splitter): Likewise.
7865         (adddi, minusdi splitter): Likewise.
7866         (umulsidi): Likewise.
7867         (umulsi): New.
7868         (mulsidi): Disable for 64bit
7869         (lshift:DI/ashift:DI): Disable for 64bit.
7870         (loop patterns): Likewise.
7871         (call_pop, call_value_pop expanders and patterns): Likewise.
7872         (prologue_get_pc): Likewise.
7873         (leave): Likewise.
7874         (fcmovDI pattern and splitter): Likewise.
7875         (movdfcc_1_rex64): New.
7876
7877 Mon Mar 12 15:16:36 CET 2001  Jan Hubicka  <jh@suse.cz>
7878
7879         * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
7880         (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
7881         (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
7882         (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
7883         (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
7884         (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
7885         (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
7886         (PUSH_ROUNDING): x86_64 rounds to 64bits.
7887         (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
7888         (REGPARM_MAX): Set to 6 for x86_64.
7889         (SSE_REGPARM_MAX): Set to 16 for x86_64.
7890         * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
7891         registers.
7892
7893         * (patterns that does use upper halves): Update constraints
7894         'q' to 'Q' and 'r' to 'R'.
7895         (cmpqi_ext_1): Disable for 64bit.
7896         (cmpqi_ext_3_insn): Likewise.
7897         (movqi_extzv_1): Likewsie.
7898         (addqi_ext_1): Liekwsie
7899         (testqi_ext_1): Liekwsie
7900         (andqi_ext_1): Liekwsie
7901         (xorqi_ext_1): Liekwsie
7902         (cmpqi_ext_1_rex64): New.
7903         (cmpqi_ext_3_insn_rex64): Likewise.
7904         (movqi_extzv_1_rex64): Likewsie.
7905         (addqi_ext_1_rex64): Liekwsie
7906         (testqi_ext_1_rex64): Liekwsie
7907         (andqi_ext_1_rex64): Liekwsie
7908         (xorqi_ext_1_rex64): Liekwsie
7909
7910 2001-03-11  Zack Weinberg  <zackw@stanford.edu>
7911
7912         * configure.in: Move check for unsigned enumerated bitfields
7913         to macro in aclocal.m4.  Disable it for now.
7914         * configure, config.in: Regenerate.
7915         * system.h: Don't do anything with ONLY_INT_FIELDS.  Use the
7916         unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
7917         * varasm.c (struct rtx_const): Use ENUM_BITFIELD().  Move enum
7918         kind above its first use.
7919
7920         * config/xm-interix.h, config/alpha/xm-alpha.h,
7921         config/i370/xm-linux.h, config/i386/xm-beos.h,
7922         config/i386/xm-mingw32.h, config/mips/xm-mips.h,
7923         config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7924         config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
7925         Don't define ONLY_INT_FIELDS under any circumstances.
7926
7927         * config/pa/xm-pa.h: Don't define __BSD_NET2__.
7928
7929         * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7930         config/sparc/xm-sysv4.h: Delete - now identical with some
7931         other xm header.
7932         * config.gcc (hppa targets): Replace xm-pahpux.h and
7933         xm-papro.h with implicit xm-pa.h.
7934         (sparc targets): Replace xm-sysv4.h with implicit or explicit
7935         xm-sparc.h.
7936
7937 2001-03-12  Aldy Hernandez  <aldyh@redhat.com>
7938
7939         * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
7940         before reload_cse_noop_set_p.
7941
7942 2001-03-11  Zack Weinberg  <zackw@stanford.edu>
7943
7944         * config.gcc: Where xm-host.h used to include another
7945         xm-host.h, list the nested header directly in xm_file.  Remove
7946         references to deleted files.  Can now use sparc/xm-sp64.h for
7947         sparcv9-*-solaris*.
7948
7949         * config/xm-linux.h, config/arm/xm-linux.h,
7950         config/i386/xm-dos.h, config/i386/xm-gnu.h,
7951         config/i386/xm-linux.h, config/i386/xm-openbsd.h,
7952         config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
7953         config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
7954         config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
7955         Delete.
7956
7957         * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
7958         * config/mips/xm-iris5.h: Don't include mips/xm-mips.h.  Don't
7959         bother to wrap #undef in #ifdef.
7960         * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
7961         Don't include xm-linux.h.
7962         * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
7963
7964         * configure.in: Wrap regexps using [] in changequote block.
7965         Use expr : not echo | grep.  Simplify regexps.
7966         * configure: Regenerate.
7967
7968         56 xm-files remain, 22 xm-arch.
7969
7970 2001-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7971
7972         * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
7973         (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7974         (local_index, local_rindex): Delete, use strchr/strrchr instead.
7975         (copy_object): Fix format specifier vs argument mismatch.
7976
7977         * mips-tdump.c: Make local functions static.
7978         (rindex): Don't #undef.
7979         (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7980         (fatal, fancy_abort): Delete.
7981         (read_seek): Avoid signed/unsigned compare.
7982
7983 Sun Mar 11 17:01:41 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7984
7985         * combine.c (try_combine): Fix error in change to try original
7986         register.
7987         (gen_rtx_combine): Do same as gen_rtx for now.
7988
7989 2001-03-11  Zack Weinberg  <zackw@stanford.edu>
7990
7991         * configure.in: AC_SUBST xm_defines.
7992         * configure: Regenerate.
7993         * Makefile.in: Set DEFINES=$(xm_defines) when building
7994         tconfig.h.
7995
7996 2001-03-11  Neil Booth  <neil@daikokuya.demon.co.uk>
7997
7998         * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
7999         (cpp_included, find_include_file): Update.
8000         (_cpp_compare_file_date): Make else unconditional.
8001
8002 2001-03-10  kaz Kojima <kkojima@rr.iij4u.or.jp>
8003
8004         * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
8005
8006 2001-03-10  Toshiyasu Morita  <toshiyasu.morita@hsa.hitachi.com>
8007
8008         * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
8009         * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
8010
8011 Sat Mar 10 22:42:05 2001  Alexandre Oliva  <aoliva@redhat.com>
8012
8013         * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
8014         if it's a record type.
8015
8016 Sat Mar 10 17:52:54 2001  Christopher Faylor <cgf@cygnus.com>
8017
8018         * config/i386/cygwin.h: Make ../w32api a system directory.  Reorganize
8019         mingw includes slightly.
8020
8021 2001-03-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8022
8023         * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
8024         #undef token before poisoning it.
8025
8026 2001-03-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8027
8028         * alpha.c (check_float_value): Use memcpy, not bcopy.
8029
8030         * m32r.c (m32r_sched_reorder): Likewise.
8031
8032         * vax.c (check_float_value): Likewise.
8033
8034 2001-03-10  Neil Booth  <neil@daikokuya.demon.co.uk>
8035
8036         * toplev.c (file_name_nondirectory): Remove.
8037         * toplev.h: Similarly.
8038         * dwarf2out.c (compute_section_prefix): Use lbasename instead
8039         of file_name_nondirectory.
8040
8041 Sat Mar 10 10:36:45 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8042
8043         * mips-tdump.c (read_seek): Call xmalloc, not malloc.
8044         * mips-tfile.c: Don't #undef rindex; not used.
8045
8046 Sat Mar 10 14:34:59 CET 2001  Jan Hubicka  <jh@suse.cz>
8047
8048         * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
8049         (dbx64_register_map): Declare.
8050         (RETURN_ADDR_RTX): Fix for 64bit.
8051         (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
8052         (INCOMING_FRAME_SP_OFFSET): Set to 8.
8053         * i386.c (dbx64_register_map): New global array.
8054         * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
8055         linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
8056         for 64bits.
8057
8058 2001-03-10  Neil Booth  <neil@daikokuya.demon.co.uk>
8059
8060         * cppfiles.c (search_from): Use lbasename.
8061         * mkdeps.c (deps_add_default_target): Use lbasename.
8062
8063 2001-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8064
8065         * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
8066         xcalloc in lieu of malloc, realloc & calloc.
8067
8068         * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
8069
8070         * gengenrtl.c (xmalloc): Likewise.
8071
8072         * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
8073         really_call_* memory allocation routines.
8074
8075         * stmt.c (check_for_full_enumeration_handling): Use
8076         really_call_calloc, not calloc.
8077
8078         * system.h (really_call_malloc, really_call_calloc,
8079         really_call_realloc): Define.
8080         (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
8081
8082 Fri Mar  9 18:39:19 2001  Jeffrey A Law  (law@cygnus.com)
8083
8084         * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
8085
8086 2001-03-09  Nicola Pero <n.pero@mi.flashnet.it>
8087
8088         * configure: Rebuilt.
8089         * configure.in: Only use `lang_requires' for languages athat are
8090         actually enabled.
8091
8092 2001-03-09  Joseph S. Myers  <jsm28@cam.ac.uk>
8093
8094         * invoke.texi: Fix typo.
8095         * gcc.1: Regenerate.
8096
8097 2001-03-09  Zack Weinberg  <zackw@stanford.edu>
8098
8099         * configure.in: Prune nonexistent files from build_xm_file,
8100         xm_file, and host_xm_file lists.  Warn unless they're
8101         $cpu/xm-$cpu.h.
8102         Don't generate *config.h here.
8103         AC_SUBST all variables needed to generate *config.h.
8104         * configure: Regenerate.
8105         * mkconfig.sh: New helper script, from code removed from
8106         configure.in.
8107         * Makefile.in: Zap all MALLOC variables - no longer used
8108         anywhere, and malloc.c doesn't exist.
8109         Substitute in variables needed to generate *config.h.
8110         Stop lying about the dependencies contained in CONFIG_H and
8111         GCONFIG_H.
8112         (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
8113         (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
8114         cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
8115         (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
8116         $(TM_P_H), etc. as appropriate.
8117
8118         * config.gcc: Zap references to deleted files.
8119         * ggc-none.c: Don't include rtl.h or tm_p.h.
8120
8121         * config/i386/xm-beos.h, config/i386/xm-dgux.h,
8122         config/i386/xm-djgpp.h, config/i386/xm-dos.h,
8123         config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
8124         config/i386/xm-linux.h, config/i386/xm-linux.h,
8125         config/i386/xm-next.h, config/i386/xm-openbsd.h,
8126         config/i386/xm-sun.h, config/i386/xm-sysv3.h:
8127         Don't include i386/xm-i386.h.
8128
8129         * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
8130         config/i386/xm-i386.h, config/i860/xm-i860.h,
8131         config/i960/xm-i960.h, config/mcore/xm-mcore.h,
8132         config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8133         config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
8134         Delete (empty except comments, #includes of other deleted
8135         files, and macros used nowhere).
8136
8137 Fri Mar  9 20:05:27 CET 2001  Jan Hubicka  <jh@suse.cz>
8138
8139         * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
8140         independent on TARGET_FLAGS.
8141
8142 Fri Mar  9 19:52:52 CET 2001  Jan Hubicka  <jh@suse.cz>
8143
8144         * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
8145
8146         (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
8147         extended ones.
8148         (CONDITIONAL_REGISTER_USAGE): Set proper values according to
8149         TARGET_64BIT.
8150         (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
8151         LAST_REX_SSE_REG): define.
8152         (enum reg_class): Add 'LEGACY_REGS'
8153         (REG_CLASS_CONTENTS): Likewise; add extended registers.
8154         (SSE_REGNO_P): Recognize extended registers.
8155         (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
8156         (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
8157         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
8158         REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
8159         (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
8160          REG_OK_FOR_STRREG_P): Remove.
8161         (HI_REGISTER_NAMES): Add extended registers.
8162         (ADDITIONAL_REGISTER_NAMES): Likewise.
8163         (QI_REGISTER_NAMES): Add 8bit extended registers.
8164         (DEBUG_REG): Support extended registers.
8165         * i386.c (regclass_map): Add extended registers.
8166         (dbx_register-map): Likewise.
8167         (svr4_dbx_register_map): Likewise.
8168         (print_reg): Support extended registers.
8169         (print_operand): Support 64bit operands.
8170
8171 Fri Mar  9 19:37:46 CET 2001  Jan Hubicka  <jh@suse.cz>
8172
8173         * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
8174         (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
8175          FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
8176          DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
8177         (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
8178          STACK_BOUNDARY): Set properly for 64bits.
8179         (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
8180         (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
8181         (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
8182         (MOVE_MAX): Set to 16.
8183         (MOVE_MAX_PIECES): 8 for 64bit.
8184         (Pmode): Set to SImode.
8185
8186 Fri Mar  9 09:00:36 2001  Mike Stump  <mrs@wrs.com>
8187
8188         * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
8189
8190 Fri Mar  9 17:38:08 CET 2001  Jan Hubicka  <jh@suse.cz>
8191
8192         * i386.h (mask_64bit): New constant.
8193         (target_64bit): New macro.
8194         (target_options): Add '64'/'32'
8195         (target_default): Define.
8196         * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
8197         isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
8198         unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
8199
8200 Thu Mar  8 23:36:56 2001  Jeffrey A Law  (law@cygnus.com)
8201
8202         * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
8203
8204 Thu Mar  8 23:29:37 2001  John Wehle  (john@feith.com)
8205
8206         * rtlanal.c (rtx_varies_p): Check operand 0 of a
8207         LO_SUM unless for_alias is set.
8208
8209 2001-03-08  Stan Shebs  <shebs@apple.com>
8210
8211         * objc/objc-act.c: Fix old typos in comments, add comments for
8212         various functions.
8213         (hash_init): Fix file name in error message.
8214         (hash_enter): Ditto.
8215         (hash_add_attr): Ditto.
8216         (continue_class): Ditto.
8217
8218 2001-03-08  Bruce Korb  <bkorb@gnu.org>
8219
8220         gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
8221         wait4() can receive the signal.
8222
8223 Thu Mar  8 21:09:10 2001  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8224
8225         * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
8226         entities.
8227         * fixinc/fixincl.x: Regenerate.
8228
8229 Thu Mar  8 21:09:10 2001  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8230
8231         * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
8232         on Tru64 UNIX.
8233         * fixinc/fixincl.x: Regenerate.
8234
8235 2001-03-08  Richard Henderson  <rth@redhat.com>
8236
8237         * configure.in (HAVE_AS_LEB128): New assembler check.
8238         * configure, config.in: Rebuilt.
8239
8240 Thu Mar  8 19:54:04 CET 2001  Jan Hubicka  <jh@suse.cz>
8241
8242         * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
8243         TFmode too.
8244
8245 2001-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8246
8247         * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
8248         references to the MAXPATHLEN macro.
8249
8250         * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
8251         config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
8252         the POSIX macro.
8253
8254         * config/i386/xm-gnu.h, config/xm-gnu.h,
8255         config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
8256         config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
8257         config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
8258         and/or unused files.
8259
8260         * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
8261         doing so in various xm-*.h files.
8262
8263 Thu Mar  8 06:32:50 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8264
8265         * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
8266
8267 2001-03-08  Alexandre Oliva  <aoliva@redhat.com>
8268
8269         * configure.in (enable_shared): Support per-package shared-library
8270         enabling.
8271         * configure: Rebuilt.
8272
8273 2001-03-07  David Edelsohn  <edelsohn@gnu.org>
8274
8275         * rs6000.md (cr logic): Add original POWER mnemonic alternative
8276         for crnot.  Set operands[5] in splitter.
8277
8278 2001-03-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8279
8280         * config/i370/xm-mvs.h, config/i370/xm-oe.h,
8281         config/i386/xm-beos.h, config/i386/xm-mingw32.h,
8282         config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
8283         config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
8284         config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
8285         config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
8286         config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
8287         to the USG macro.
8288
8289         * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
8290         config/i370/xm-i370.h, config/i386/xm-dgux.h,
8291         config/i386/xm-sun.h, config/i386/xm-sysv3.h,
8292         config/m68k/xm-tower.h, config/m68k/xm-aux.h,
8293         config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
8294         config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
8295         config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
8296         config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
8297         config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
8298         config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
8299         Delete unused and/or empty files.
8300
8301         * config.gcc: Define USG in xm_defines as appropriate.  Define
8302         POSIX in lieu of xm-svr4.h.  Delete all references to the SVR3
8303         macro.  Remove deleted xm-* files from $xm_files variable.
8304
8305 2001-03-07  Tom Tromey  <tromey@redhat.com>
8306
8307         * configure: Rebuilt.
8308         * configure.in: Allow config-lang.in to set `lang_requires' to list
8309         of other required languages.
8310
8311 2001-03-07  Andrew MacLeod  <amacleod@redhat.com>
8312
8313         * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
8314         after its emitted.
8315         (output_prologue): Use xmalloc not oballoc.
8316         (output_epilog): Free a29k_first_epilogue_insn when finished.
8317         * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
8318
8319 2001-03-07  Brad Lucier  <lucier@math.purdue.edu>
8320
8321         * builtins.c (expand_builtin_mathfn): Check
8322         flag_unsafe_math_optimizations, not flag_fast_math.
8323         (expand_builtin): Likewise
8324         * combine.c (combine_simplify_rtx): Likewise.
8325         (simplify_if_then_else): Likewise.
8326         * cse.c (fold_rtx): Likewise.
8327         * flags.h: Remove flag_fast_math.  Add
8328         flag_unsafe_math_optimizations and flag_trapping_math.
8329         * fold-const.c (negate_expr): Check
8330         flag_unsafe_math_optimizations, not flag_fast_math.
8331         (invert_truthvalue): Likewise.
8332         (fold): Likewise.  Before associating operands, check that
8333         code == MULT_EXPR, not code != MULT_EXPR.
8334         * ifcvt.c (noce_try_minmax): Check
8335         flag_unsafe_math_optimizations, not flag_fast_math.
8336         (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
8337         * invoke.texi: Document -funsafe-math-optimizations and
8338         -fno-trapping-math.  Change documentation for -ffast-math.
8339         * jump.c (reversed_comparison_code_parts): Likewise.
8340         (rtx_equal_for_thread_p): Likewise.
8341         * optabs.c (emit_conditional_move): Likewise.
8342         * simplify-rtx.c (simplify_binary_operation): Likewise.
8343         (simplify_relational_operation): Likewise.
8344         (simplify_ternary_operation): Likewise.
8345         * toplev.c: Remove flag_fast_math.  Add flag_trapping_math and
8346         flag_unsafe_math_optimizations.  Remove fast-math entry from f_options.
8347         Add trapping-math and unsafe-math-optimizations entries to f_options.
8348         (set_fast_math_flags): New, sets flags for -ffast-math.
8349         (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
8350         (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
8351         * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
8352
8353         * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
8354         (alpha_emit_conditional_move): Initialize local_fast_math to
8355         flag_unsafe_math_optimizations, not flat_fast_math.
8356         * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
8357         instead of setting flag_fast_math to 1.
8358         * config/convex/convex.md: Check flag_unsafe_math_optimizations,
8359         not flag_fast_math.
8360         * config/i386/i386.c (override_options): Likewise
8361         * config/i386/i386.md: Likewise.
8362         * config/m68k/m68k.md: Likewise.
8363         * config/mips/mips.md: Likewise.
8364         * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
8365         (rs6000_generate_compare): Likewise.
8366
8367 2001-03-07  Laurynas Biveinis  <lauras@softhome.net>
8368
8369         * Makefile.in: Set RANLIB to @RANLIB@.
8370         Remove RANLIB_TEST.
8371
8372 2001-03-07  Laurynas Biveinis  <lauras@softhome.net>
8373
8374         * fixinc/inclhack.def (djgpp_wchar_h): New test.
8375         * fixinc/fixincl.x: Regenerated.
8376
8377 2001-03-07  Richard Henderson  <rth@redhat.com>
8378
8379         * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
8380
8381 2001-03-07  Richard Henderson  <rth@redhat.com>
8382
8383         * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
8384         of block notes and exception handling notes.
8385
8386         * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
8387         * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
8388         (compile_file): ... here.
8389
8390 2001-03-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8391
8392         * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
8393
8394         * fixinc/gnu-regex.c: Don't include auto-host.h since we get
8395         config.h now.  Include libiberty.h to handle alloca.
8396
8397 2001-03-06  Zack Weinberg  <zackw@stanford.edu>
8398
8399         * c-parse.in (yylexname): New function, split out of _yylex.
8400         (objc_rid_sans_at): New table.
8401         (init_reswords): Initialize it.
8402         (_yylex): Give labels clearer names.  Handle CPP_ATSIGN by
8403         retrieving the next token and checking it for significance as
8404         an ObjC keyword or string constant.
8405
8406         * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
8407         * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
8408
8409         * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
8410         to CPP_OSTRING.
8411
8412 2001-03-06  Stephen L Moshier  <moshier@mediaone.net>
8413
8414         * config/m68k/m68k.c (const_uint32_operand): Accept any
8415         const_int on a 32-bit host.
8416
8417 2001-03-06  Nicola Pero  <n.pero@mi.flashnet.it>
8418
8419         * objc/objc-act.c (init_objc): Set save_lang_status,
8420         restore_lang_status, and mark_lang_status.
8421
8422 2001-03-06  Krister Walfridsson  <cato@df.lth.se>
8423
8424         * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
8425
8426 2001-03-06  Neil Booth  <neil@daikokuya.demon.co.uk>
8427
8428         * cppinternals.texi: Update.
8429
8430 2001-03-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8431
8432         * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8433         config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
8434         config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
8435         config/convex/xm-convex.h, config/d30v/xm-d30v.h,
8436         config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
8437         config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8438         config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
8439         config/i386/xm-i386.h, config/i860/xm-i860.h,
8440         config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8441         config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
8442         config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8443         config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8444         config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8445         config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8446         config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
8447         config/romp/xm-romp.h, config/rs6000/xm-beos.h,
8448         config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
8449         config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8450         config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8451         config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
8452         config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
8453         match the defaults provided in hwint.h.
8454
8455         * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8456         config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
8457
8458         * config.gcc (xm_file): Don't set to files which are deleted.
8459
8460         * hwint.h: Provide default values for HOST_BITS_PER_*.  No longer
8461         guard this file against these macros being undefined.
8462
8463 2001-03-06  Zack Weinberg  <zackw@stanford.edu>
8464
8465         * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
8466         and DECL_DEFER_OUTPUT on the decl we create, before calling
8467         rest_of_decl_compilation.
8468
8469 2001-03-06  Zack Weinberg  <zackw@stanford.edu>
8470
8471         * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
8472         AC_FUNC_ALLOCA.
8473         * configure, config.in: Regenerate.
8474         * config.gcc: Remove references to deleted files.
8475
8476         * genattr.c, genattrtab.c, genextract.c, genoutput.c,
8477         genrecog.c, rtl.c: Do not use alloca anywhere.
8478
8479         * Makefile.in, build-make, system.h, config/x-interix,
8480         config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
8481         config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
8482         config/arc/xm-arc.h, config/arm/xm-arm.h,
8483         config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8484         config/h8300/xm-h8300.h, config/i370/x-oe,
8485         config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
8486         config/i386/x-ncr3000, config/i386/x-sco5,
8487         config/i386/xm-dgux.h, config/i860/x-sysv4,
8488         config/i960/xm-i960.h, config/m32r/xm-m32r.h,
8489         config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
8490         config/m68k/x-hp320g, config/m69k/x-mot3300,
8491         config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
8492         config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
8493         config/m68k/xm-mot3300.h, config/m88k/x-dolph,
8494         config/m88k/x-sysv4, config/m88k/x-tekXD88,
8495         config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8496         config/mips/x-iris, config/mips/x-iris3,
8497         config/mips/x-sni-svr4, config/mips/x-sysv,
8498         config/mips/xm-iris6.h, config/mips/xm-mips.h,
8499         config/mips/xm-nws3250v4.h, config/pa/x-hpux,
8500         config/pa/x-pa-mpeix, config/pa/xm-pa.h,
8501         config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8502         config/pa/xm-papro.h, config/romp/xm-romp.h,
8503         config/rs6000/x-aix31, config/rs6000/x-aix41,
8504         config/rs6000/x-beos, config/rs6000/x-lynx,
8505         config/rs6000/x-mach, config/rs6000/x-rs6000,
8506         config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
8507         config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8508         config/sparc/x-sysv4, config/sparc/xm-linux.h,
8509         config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
8510         config/vax/xm-vms.h: Eradicate all references to alloca and
8511         related stuff.
8512
8513         * config/xm-alloca.h, config/clipper/x-clix,
8514         config/i386/xm-sysv4.h, config/i860/x-fx2800,
8515         config/i860/x-sysv3, config/m88k/x-sysv3,
8516         config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
8517         (contained only alloca related hacks).
8518
8519         * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
8520         USE_C_ALLOCA.
8521
8522 2001-03-05  Brad Lucier  <lucier@math.purdue.edu>
8523
8524         * invoke.texi: Document __FAST_MATH__.
8525
8526 2001-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8527
8528         * crtstuff.c: Restore include of auto-host.h.
8529
8530 2001-03-05  Fergus Henderson  <fjh@cs.mu.oz.au>
8531
8532         Put main() in a separate file, so that the language
8533         front-end can use a different main().
8534
8535         * main.c: New.
8536         * toplev.c: (main): Rename as toplev_main.
8537         * toplev.h: Declare toplev_main.
8538         * Makefile.in (OBJS): add toplev.o.
8539           (BACKEND): remove toplev.o, add main.o.
8540
8541 2001-03-04  Neil Booth  <neil@daikokuya.demon.co.uk>
8542
8543         * cppfiles.c (search_from): Special case the empty string.
8544
8545 2001-03-04  Neil Booth  <neil@daikokuya.demon.co.uk>
8546
8547         * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
8548         copy of the filename.  Don't use CPP_PREV_BUFFER.  Don't call
8549         strlen or strcpy; we already know the length.
8550         (_cpp_compare_file_date): Similarly.
8551         * cpphash.h (struct cpp_reader): Delete done_initialising.
8552         (CPP_PREV_BUFFER): Delete.
8553         * cppinit.c (cpp_start_read): Don't set done_initialising.
8554         * cpplex.c (parse_string): Guarantee null-termination.
8555         (_cpp_equiv_toklists): Remove.
8556         * cpplib.c (glue_header_name): Null-terminate.
8557         (do_line): Don't leak memory.
8558         * cpplib.h (BT_WEAK): Delete.
8559         * cppmain.c (cb_ident): Strings are now null-terminated.
8560
8561 2001-03-04  Laurynas Biveinis  <lauras@softhome.net>
8562
8563         * gcc.c (convert_filename): Append executable suffix
8564         if NO_AUTO_EXE_SUFFIX is not defined.
8565         * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
8566         * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
8567
8568 2001-03-03  David O'Brien  <obrien@FreeBSD.org>
8569
8570         from 2000-09-06  Zack Weinberg  <zack@wolery.cumb.org>
8571         * c-parse.gperf, c-gperf.h: Delete.
8572         (c-gperf.h was accidently re-added to the CVS repo in the rev
8573         1.16 commit by tromey)
8574
8575 2001-03-03  Neil Booth  <neil@daikokuya.demon.co.uk>
8576
8577         * cpplex.c (_cpp_lex_token): Don't warn about directives in
8578         macro arguments when looking for the '('.
8579         * cppmacro.c (funlike_invocation_p): Set parsing_args to
8580         2 when really parsing arguments; 1 when looking for '('.
8581         Always restore the lexer position.
8582
8583 2001-03-03  Neil Booth  <neil@daikokuya.demon.co.uk>
8584
8585         * longlong.h (umul_ppmm): Don't use a multiline string.
8586
8587 2001-03-03  John David Anglin  <dave@hiauly1.hia.nrc.ca>
8588
8589         * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
8590         * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
8591         t_bool in declaration because pcc can't combine volatile with typedef
8592         types.
8593
8594 Sat Mar  3 19:47:13 CET 2001  Jan Hubicka  <jh@suse.cz>
8595
8596         * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
8597         until when it is really needed.
8598         (ix86_expand_compare): Update call of ix86_expand_fp_compare.
8599         * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
8600         * i386.md (float?i?f splitter): Don't force source operand to memory
8601         for SSE.
8602         (sse_movdfcc): Fix constraint.
8603         (sse_movdfcc splitter): Handle properly the second alternative.
8604
8605 2001-03-03  Neil Booth  <neil@daikokuya.demon.co.uk>
8606
8607         * cpplex.c (parse_string): Unconditionally pedwarn.
8608
8609 2001-03-03  Neil Booth  <neil@daikokuya.demon.co.uk>
8610
8611         * cpp.texi: Update.
8612         * cppexp.c (parse_number): Update.
8613         * cpplex.c (parse_string): Pedwarn if multiline string does not
8614         result from a system header's macro.
8615         * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
8616         * cppmacro.c (sys_objmacro_p): Rename sys_macro_p.  Return true
8617         for function-like macros too.
8618         * c-lex.c (lex_number): Update.
8619
8620 2001-03-03  Richard Henderson  <rth@redhat.com>
8621
8622         * dwarf2out.c (output_call_frame_info): Fix augmentation length.
8623
8624 Sat Mar  3 04:17:17 2001  J"orn Rennecke <amylaar@redhat.com>
8625
8626         * combine.c (try_combine): If split with mode-changed scratch
8627         register didn't work, try the original mode.
8628
8629 Sat Mar  3 03:46:47 2001  J"orn Rennecke <amylaar@redhat.com>
8630
8631         * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
8632         * config/c4x/c4x.h: Likewise.
8633         * stor-layout.c (compute_record_mode): Likewise.
8634         (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
8635
8636 2001-03-02  Zack Weinberg  <zackw@stanford.edu>
8637
8638         * configure.in: Kill tm.h.  Include the files in the $tm_file
8639         list in all three of config.h, hconfig.h, tconfig.h, after the
8640         relevant set of xm_files.  Put TARGET_CPU_DEFAULT in all
8641         three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
8642         * configure: Regenerate.
8643         * Makefile.in (clean): Don't delete tm.h.
8644
8645         * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
8646         defined, set them from EXIT_SUCCESS and EXIT_FAILURE.  If
8647         those are not defined, set SEC and FEC to 0 and 1.
8648         * gcc.texi: Update to match.
8649
8650         * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
8651         * config/fp-bit.c, config/m68k/aux-crt2.asm,
8652         config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
8653         Include tconfig.h, not tm.h.
8654
8655         * config/xm-lynx.h, config/xm-std32.h,
8656         config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8657         config/alpha/xm-alpha.h, config/arc/xm-arc.h,
8658         config/avr/xm-avr.h, config/c4x/xm-c4x.h,
8659         config/clipper/xm-clix.h, config/convex/xm-convex.h,
8660         config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8661         config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8662         config/h8300/xm-h8300.h, config/i370/xm-linux.h,
8663         config/i386/xm-i386.h, config/i860/xm-i860.h,
8664         config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8665         config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
8666         config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8667         config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8668         config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8669         config/pa/xm-linux.h, config/pa/xm-pa.h,
8670         config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8671         config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
8672         config/pj/xm-pj.h, config/romp/xm-romp.h,
8673         config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8674         config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8675         config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8676         config/v850/xm-v850.h, config/vax/xm-vax.h,
8677         config/we32k/xm-we32k.h:
8678         Don't include tm.h.
8679         Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
8680
8681         * config/i370/xm-i370.h, config/i370/xm-mvs.h,
8682         config/i370/xm-oe.h: Don't include tm.h.  Don't define
8683         SUCCESS_EXIT_CODE.
8684         * config/vax/xm-vms.h: Don't include tm.h.
8685
8686         * config/xm-lynx.h, config/avr/xm-avr.h,
8687         config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
8688         Delete; made empty by above changes.
8689         * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8690         config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
8691         Don't include config/xm-lynx.h or tm.h.
8692
8693         * config/xm-gnu.h: Don't include fcntl.h.
8694         * config/sparc/xm-lynx.h: Don't include sys/types.h and
8695         sys/wait.h.
8696         * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
8697
8698 2001-03-02  Richard Henderson  <rth@redhat.com>
8699
8700         * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
8701         UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
8702
8703 2001-03-02  Richard Henderson  <rth@redhat.com>
8704
8705         * Makefile.in (OBJS): Add dwarf2asm.o.
8706         * dwarf2asm.c, dwarf2asm.h: New files.
8707         * dwarf2out.c (*): Use them.
8708         (size_of_uleb128, size_of_sleb128): Remove.
8709         (output_uleb128, output_sleb128): Remove.
8710         (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
8711         (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
8712         (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
8713         (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
8714         (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
8715         (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
8716         (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
8717         (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
8718         (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
8719         (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8720         (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
8721         (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
8722         (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
8723         (dwarf2out_frame_debug): Remove unused variables.
8724         (output_loc_operands): Don't abort on 8 byte constants if
8725         host integers are wide enough.
8726         (output_symbolic_ref): Remove.
8727         (size_of_die): Don't assume 4 byte host integers.
8728         (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
8729         and end labels.
8730         (add_const_value_attribute) [CONST_INT]: Verify we're not doing
8731         something stupid with HOST_WIDE_INT to long truncation.
8732         [CONST_DOUBLE]: Likewise.
8733
8734         * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
8735         (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8736         * config/arm/unknown-elf.h: Likewise.
8737         * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
8738         (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
8739         (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
8740         (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
8741         (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
8742         (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
8743         (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
8744         (ASM_OUTPUT_DWARF_OFFSET): Remove.
8745         * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
8746         * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
8747         (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
8748         (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
8749
8750 2001-03-02  John David Anglin  <dave@hiauly1.hia.nrc.ca>
8751
8752         * cselib.c (hash_rtx): Cast enums to unsigned int.
8753
8754 2001-03-02  John David Anglin  <dave@hiauly1.hia.nrc.ca>
8755
8756         * print-rtl.c (print_rtx): Cast enums to int for comparison.
8757         * c-decl.c (grokdeclarator): Cast enums to int for comparison and
8758         shifts.
8759         * c-format.c (C_STD_VER): Cast to int for comparisons.
8760         (check_function_format): Cast various enums to int for &.
8761         (maybe_read_dollar_number): Likewise.
8762         (check_format_info): Likewise.
8763         (check_format_info_main): Likewise.
8764         * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
8765         (safe_from_p): Likewise.
8766         * varasm.c (const_hash): Cast enum to int for %.
8767         * emit-rtl.c (init_emit_once): Use int loop variable to work around
8768         pcc enum problems with < and ++ operators.
8769         * regclass.c (init_reg_sets_1): Cast enums for comparison.
8770         (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
8771         (regclass_init): Change enum class to int to iterate over reg_classes.
8772         * genrecog.c (merge_trees): Cast enums for comparison.
8773         * rtl.h (GET_CODE): Cast to enum rtx_code.
8774         (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
8775         (GET_MODE): Cast to enum machine_mode.
8776         (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
8777         (GET_NOTE_INSN_NAME): Cast enum to int.
8778         * tree.h (TREE_CODE): Cast to enum tree_code.
8779         (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
8780         * timevar.c (timevar_print): Change loop variable id from enum to
8781         unsigned int.
8782         * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
8783         * config/i386/i386.md: Use PUT_MODE for mode assignment.
8784         * toplev.c (compile_file): Cast enum DFI to int.
8785         (decode_d_option): Likewise.
8786
8787 Fri Mar  2 12:18:13 2001  Christopher Faylor <cgf@cygnus.com>
8788
8789         * cppinit.c (append_include_chain): Mark "after" include file name list
8790         as a system directory.
8791         * cpp.texi: Document new behavior.
8792
8793 Fri Mar  2 11:59:43 CET 2001  Jan Hubicka  <jh@suse.cz>
8794
8795         * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
8796
8797 2001-03-02  Neil Booth  <neil@daikokuya.demon.co.uk>
8798
8799         * cppfiles.c (struct include_file): Update.
8800         (stack_include_file): Use search_from.
8801         (cpp_included, find_include_file): Update.
8802         (cpp_execute_include): Update.  ptr->name may not be
8803         null terminated.  Use the new search_from member variable
8804         of cpp_buffer.
8805         (_cpp_compare_file_date): Similarly.
8806         (search_from): New function, similiar to actual_directory.
8807         (actual_directory): Delete.
8808         (remap_filename): Update.  loc->name may not be null terminated.
8809         (struct file_name_list): Rename search_path.  Update.
8810         * cpphash.h (struct cpp_buffer): Delete actual_dir.  New members
8811         search_from and dir.
8812         (struct cpp_reader): Remove actual_dirs.
8813         * cppinit.c (struct cpp_pending): Update for renamed objects.
8814         (append_include_chain, remove_dup_dir, remove_dup_dirs,
8815         merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
8816         * cpplib.h (struct cpp_options): Similarly.
8817
8818 2001-03-01  Zack Weinberg  <zackw@stanford.edu>
8819
8820         * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
8821         config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
8822         config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
8823         config/clipper/xm-clix.h, config/convex/xm-convex.h,
8824         config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8825         config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8826         config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8827         config/i370/xm-linux.h, config/i370/xm-mvs.h,
8828         config/i370/xm-oe.h, config/i386/xm-aix.h,
8829         config/i386/xm-i386.h, config/i386/xm-osf.h,
8830         config/i860/xm-i860.h, config/i960/xm-i960.h,
8831         config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
8832         config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
8833         config/mcore/xm-mcore.h, config/mips/xm-mips.h,
8834         config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
8835         config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
8836         config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8837         config/pa/xm-pahpux.h, config/pa/xm-papro.h,
8838         config/pj/xm-pj.h, config/romp/xm-romp.h,
8839         config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8840         config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8841         config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8842         config/v850/xm-v850.h, config/vax/xm-vax.h,
8843         config/vax/xm-vms.h, config/we32k/xm-we32k.h:
8844         Do not define TRUE or FALSE.
8845
8846         * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
8847         empty by above change.
8848         * config.gcc: Remove references to these files.
8849
8850         * configure.in: Detect stdbool.h.
8851         * configure, config.in: Regenerate.
8852         * system.h: Include stddef.h here if available.
8853         Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
8854         Then set up a sensible boolean type at the very end.
8855
8856         * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
8857         config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
8858
8859         * hash.h: Delete 'boolean' typedef and related #undefs.
8860
8861         * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
8862         all uses of 'boolean' with 'bool'.
8863
8864 2001-03-01  John David Anglin  <dave@hiauly1.hia.nrc.ca>
8865
8866         * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
8867         * cppexp.c (lex): Cast enums for comparison.
8868         * cppinit.c (parse_option): Cast enum for comparison.
8869         * cpplex.c (cpp_spell_token): Cast enums to int for minus.
8870         (cpp_output_token): Likewise.
8871         (cpp_can_paste): Cast enums for comparsion and plus/minus.
8872         (cpp_avoid_paste): Cast enums for minus and comparison.
8873
8874 2001-03-01  Zack Weinberg  <zackw@stanford.edu>
8875
8876         * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
8877         field to all array elements.
8878
8879 2001-03-01  Zack Weinberg  <zackw@stanford.edu>
8880
8881         * cpphash.h (struct cpp_reader): Add print_version field.
8882         * cppinit.c (cpp_handle_option): For -v, -version, and --version,
8883         just set print_version and other flags as appropriate.
8884         (cpp_post_options): Print version here if print_version is set.
8885
8886         * toplev.c (exit_after_options): New flag.
8887         (independent_decode_option): Don't exit here; just set
8888         exit_after_options.
8889         (main): Exit after calling lang_hooks.post_options if
8890         exit_after_options is true.
8891
8892         * cppinit.c (append_include_chain): Drop never-used case QUOTE.
8893         (merge_include_chains): Adjust comment to match code.
8894
8895 2001-03-01  Zack Weinberg  <zackw@stanford.edu>
8896
8897         * stringpool.c (set_identifier): New function.
8898         * tree.h: Prototype it.
8899
8900         * c-parse.in: Kill D_YES. If compiled for objc, call
8901         save_and_forget_protocol_qualifiers from init_reswords.
8902         * objc/objc-act.c (remember_protocol_qualifiers,
8903         forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
8904         Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
8905         vice versa.
8906         (save_and_forget_protocol_qualifiers): New function.
8907         * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
8908
8909 2001-03-01  Diego Novillo  <dnovillo@redhat.com>
8910
8911         * c-semantics.c (prune_unused_decls): Return error_mark_node
8912         instead of (tree) 1 to stop traversing the tree chain.
8913
8914 2001-03-01  Bernd Schmidt  <bernds@redhat.com>
8915
8916         Fix a problem introduced by Kenner's Feb 18 change.
8917         * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
8918         flag_cse_skip_blocks only temporarily, not for ever.
8919
8920 Thu Mar  1 09:49:58 2001  Jeffrey A Law  (law@cygnus.com)
8921
8922         * config/pa/som.h  (ASM_IDENTIFY_GCC): Define.
8923         (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
8924
8925         * pa.c (emit_move_sequence): Verify operand0 is a hard register
8926         before determining its register class.
8927
8928 2001-03-01  Bernd Schmidt  <bernds@redhat.com>
8929
8930         * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
8931         from reg 4 if current_function_calls_setjmp.
8932         (gen_nop_type): New function.
8933         (ia64_emit_nops): New function.
8934         (ia64_reorg): Call it.
8935         (ia64_sched_reorder): Move code that rotates bundles up a bit.
8936
8937         * reload1.c (eliminate_regs_in_insn): Restrict the special case
8938         code not to try to optimize adds with anything but a REG destination.
8939
8940         * sched-int.h (struct haifa_insn_data): Add new member priority_known.
8941         (INSN_PRIORITY_KNOWN): New accessor macro.
8942         * haifa-sched.c (priority): Use it instead of testing priority against
8943         zero.
8944
8945 2001-02-28  DJ Delorie  <dj@redhat.com>
8946
8947         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
8948         since that doesn't work the way gcc wants on a generic m68k.
8949
8950 2001-02-28  Richard Henderson  <rth@redhat.com>
8951
8952         * caller-save.c (save_call_clobbered_regs): Fix typo in
8953         comparison last change.
8954
8955 Wed Feb 28 19:31:42 CET 2001  Jan Hubicka  <jh@suse.cz>
8956
8957         * i386.c (pentium4_cost): New.
8958         (m_PENT4): New macro.
8959         (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
8960         x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
8961         x86_integer_DFmode_moves, x86_partial_reg_dependency,
8962         x86_memory_mismatch_stall): Add Pentium4
8963         (x86_use_q_reg, x86_use_any_reg): Kill.
8964         (override_options): Add pentium4.
8965         (incdec_operand): Return 0 for pentium4.
8966         (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
8967         * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
8968         (TARGET_PENTIUM4): Define.
8969         (enum processor_type): Add PROCESSOR_PENTIUM4.
8970         (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
8971         * i386.md (attribute "cpu"): Add pentium4.
8972         * invoke.texi (march): Add pentium4.
8973
8974 Wed Feb 28 19:28:06 CET 2001  Jan Hubicka  <jh@suse.cz>
8975
8976         * i386.md (sse_mov?fcc*): New patterns and splitters.
8977         * i386.c (ix86_expand_movcc): Work post-reload; recognize
8978         the SSE based conditional moves.
8979
8980 Wed Feb 28 19:18:23 CET 2001  Jan Hubicka  <jh@suse.cz>
8981
8982         * i386.md (attribute mode): Add "TI".
8983         (movsf_1): Add pxor support; remove constant propagation splitter.
8984         (movdf_integer): Likewise.
8985         (movdf_nointeger): Likewise.
8986         (movxf constant prop splitter): Handle all modes; update for SSE.
8987         * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
8988         * i386.c (standard_80387_constant_p): Rewrite.
8989         (standard_sse_constant_p): New.
8990         * i386-protos.h (standard_sse_constant_p): New.
8991
8992 Wed Feb 28 19:05:37 CET 2001  Jan Hubicka  <jh@suse.cz>
8993
8994         * i386.md (sse_setccsf, sse_setccdf): New.
8995         (sse_cmp* patterns): Use '%D' instead of outputtting condition
8996         flag directly.
8997         * i386.c (sse_comparison_operator): Accept the supported unordered
8998         comparses; be ready for fast_math.
8999         (print_operand): Support 'D'.
9000
9001 Wed Feb 28 18:54:51 CET 2001  Jan Hubicka  <jh@suse.cz>
9002
9003         * jump.c (reversed_comparison_code): Kill.
9004
9005 Wed Feb 28 18:50:15 CET 2001  Jan Hubicka  <jh@suse.cz>
9006
9007         * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
9008         for STACK_REGS
9009
9010 Wed Feb 28 18:47:37 CET 2001  Jan Hubicka  <jh@suse.cz>
9011
9012         * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
9013         add missing '%' in constraints.
9014
9015 Wed Feb 28 17:24:24 CET 2001  Jan Hubicka  <jh@suse.cz>
9016
9017         * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
9018         for HOST_BITS_PER_WIDE_INT == 32 too.
9019
9020 Wed Feb 28 17:22:35 CET 2001  Jan Hubicka  <jh@suse.cz>
9021
9022         * caller-save.c (reg_save_code, reg_restore_code):  Index by mode, not
9023         NREGS.
9024         (insert_save, insert_restore): New parameter save_mode.
9025         (init_caller_save): Update initialization of reg_save_code
9026         and reg_restore_code.
9027         (save_call_clobbered_regs):  Compute save_modes and update calls to
9028         reg_save_code and reg_restore_code.
9029         (insert_restore):  Unsignetize numbers; use save_modes to choose mode
9030         of spill; update use of reg_restore_code.
9031         (insert_save):  Likewise.
9032         * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
9033         * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
9034         * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
9035
9036 Wed Feb 28 17:19:28 CET 2001  Jan Hubicka  <jh@suse.cz>
9037
9038         * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
9039         noce_try_store_flag_inc, noce_try_store_flag_mask,
9040         noce_try_cmove_arith):
9041         Use reversed_comparison_code instead of reverse_comparison and
9042         can_reverse_comparison_p.
9043
9044 Wed Feb 28 17:17:29 CET 2001  Jan Hubicka  <jh@suse.cz>
9045
9046         * jump.c (reversed_comparison_code_parts): Allow reversal of
9047         unordered compares in -ffast-math mode; reverse ordered compares
9048         for FP even w/o -ffast-math.
9049
9050 2001-02-27  Richard Henderson  <rth@redhat.com>
9051
9052         * print-rtl.c (print_rtx) [i]: Don't print field five on
9053         NOTEs other than NOTE_INSN_DELETED_LABEL.
9054
9055 2001-02-27  Zack Weinberg  <zackw@stanford.edu>
9056
9057         * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
9058         * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
9059
9060 2001-02-27  Diego Novillo  <dnovillo@redhat.com>
9061
9062         * c-common.c (walk_stmt_tree): Visit the chain of the current tree
9063         even if walk_subtrees is 0.
9064         * c-semantics.c (prune_unused_decls): Return a non-null value to
9065         stop traversing the tree chain.
9066
9067 2001-02-27  DJ Delorie  <dj@redhat.com>
9068
9069         * config/m68k/m68k.c (output_function_prologue): Save the new CFA
9070         register, *then* define it as the new CFA.
9071
9072 Tue Feb 27 16:49:13 2001  Jeffrey A Law  (law@cygnus.com)
9073
9074         * pa.c (override_options): Promote -fpic to -fPIC.
9075         (legitimize_pic_address): Simplify due to removal of
9076         small PIC as a code generation option.
9077         (secondary_reload_class): Similarly.
9078         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
9079         (PRINT_OPERAND_ADDRESS): Similarly.
9080         * pa.md (various patterns): Similarly.
9081         (small pic lo_sum pattern): Remove.
9082
9083 Tue Feb 27 16:01:13 CET 2001  Jan Hubicka  <jh@suse.cz>
9084                               Fergus Henderson
9085
9086         * md.texi (min, max): Document
9087
9088 Tue Feb 27 15:51:35 CET 2001  Jan Hubicka  <jh@suse.cz>
9089
9090         * i386.md (movsf, movdf): Use movaps for reg-reg moves if
9091         TARGET_PARTIAL_REG_DEPENDENCY.
9092         (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
9093
9094 Tue Feb 27 15:36:48 CET 2001  Jan Hubicka  <jh@suse.cz>
9095
9096         * i386.md (mins*, maxs*): New patterns, expanders and splitters.
9097
9098 2001-02-26  Jeffrey Oldham  <oldham@codesourcery.com>
9099
9100         * mips.c (mips_make_temp_file): Fix thinko in last change.
9101
9102 2001-02-26  Jason Eckhardt  <jle@redhat.com>
9103
9104         * combine.c (known_cond): Do not reverse the condition when
9105         SMAX/UMAX is being considered and the condition is for equality
9106         or inequality.
9107
9108         * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
9109
9110 2001-02-26  Philip Blundell  <philb@gnu.org>
9111
9112         * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
9113         "armv2-*-linux".
9114         * config/arm/linux-elf.h: Remove historical relics related to
9115         above configurations.
9116         * config/arm/linux-oldld.h: Delete.
9117         * config/arm/linux-elf26.h: Delete.
9118
9119 2001-02-26  Jason Merrill  <jason@redhat.com>
9120
9121         * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
9122         definitions.
9123         * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
9124         recognize a tentative definition.  Lose obsolete code.
9125
9126         * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
9127         variables unless necessary, either.
9128
9129 2001-02-25  Richard Henderson  <rth@redhat.com>
9130
9131         * ifcvt.c (struct noce_if_info): Add test_bb.
9132         (noce_get_alt_condition): New.
9133         (noce_try_minmax, noce_try_abs): New.
9134         (noce_operand_ok): New.
9135         (noce_process_if_block): Use them.
9136         * rtlanal.c (may_trap_p): NEG and ABS can never trap.
9137
9138 Sun Feb 25 14:26:17 2001  Christopher Faylor <cgf@cygnus.com>
9139
9140         * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
9141         include.
9142
9143 2001-02-25  Zack Weinberg  <zackw@stanford.edu>
9144
9145         * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
9146         * config/mips/mips.c (mips_make_temp_file): Set temp_filename
9147         properly.
9148         (mips_asm_file_end): Free temp_filename here.
9149
9150 Sun Feb 25 08:34:23 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9151
9152         * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
9153         * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
9154
9155         * config/i386/i386.md (movstrsi): Handle FAIL case.
9156
9157 2001-02-25  Neil Booth  <neil@daikokuya.demon.co.uk>
9158
9159         * cppinit.c (builtin_array): Update.
9160         (init_builtins): Flag builtins to warn if redefined or
9161         undefined.  Define __GXX_WEAK as a normal macro.
9162         * cpplib.c (do_undef): Warn if flagged NODE_WARN.
9163         * cpplib.h (NODE_WARN): New flag.
9164         * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
9165         Handle __STDC__ as a builtin only on Solaris.
9166         (warn_of_redefinition): Renamed from check_macro_definition.
9167         Reverse sense of test.  Always warn if NODE_WARN.
9168         (_cpp_create_definition): Use warn_of_redefinition.  Flag
9169         any macro beginning with "__STDC_" to require a mandatory
9170         warning if redefined or undefined.
9171
9172 2001-02-24  Zack Weinberg  <zackw@stanford.edu>
9173
9174         * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
9175         i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
9176         i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
9177         i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
9178         m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
9179         mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
9180         Don't define any of:
9181         USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
9182         P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
9183         NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
9184         index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
9185         STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
9186
9187         * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
9188         fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
9189         definitions.
9190
9191         * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
9192         Delete now-empty file.
9193
9194         * alpha/vms.h: Define NEED_ATEXIT here...
9195         * alpha/xm-vms.h: ...not here.
9196
9197         * i386/cygwin.h: Don't define PARAMS.
9198         * mips/mips.c: Don't prototype mktemp.  Don't define
9199         P_tmpdir.  Use make_temp_file to create temporary files.
9200         Don't be clever and delete temporary files early.
9201         * config.gcc: Drop references to deleted files.  Don't define
9202         FULL_PROTOTYPES.
9203         * gcc.texi: Don't mention USE_PROTOTYPES.
9204
9205 Sat Feb 24 20:25:29 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9206
9207         * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
9208         (ix86_set_move_mem_attrs_1): Likewise.
9209         * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
9210         * config/i386/i386.md (movstrsi): Call it.
9211
9212 2001-02-24  Zack Weinberg  <zackw@stanford.edu>
9213
9214         * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
9215         x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
9216         ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
9217         rs6000/x-aix41-gld.  These are nonexistent, empty, or obsolete.
9218
9219         (i750a-*-*): Error here if hosting on i750a.
9220         (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
9221
9222         * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
9223         Remove (empty modulo comments).
9224
9225         * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
9226         alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
9227         i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
9228         i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
9229         mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
9230         rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
9231
9232         * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
9233         Remove reference to winnt.h in comment.
9234         * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
9235
9236 2001-02-24  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
9237
9238         * loop.c (check_dbra_loop): A biv has uses besides counting if it is
9239         used to set another biv.
9240
9241 Sat Feb 24 06:45:21 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9242
9243         * tree.h (BLOCK_DEAD): New macro.
9244         (struct tree_block): New flag, dead_flag.
9245         * print-tree.c (print_node, case 'b'): Print missing fields.
9246         * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
9247         * function.c (identify_blocks): Enable test for misplaced notes.
9248         (all_blocks): Skip BLOCK_DEAD blocks.
9249         * integrate.c (integrate_decl_tree): Likewise.
9250
9251         * errors.c (internal_error, trim_filename): New functions.
9252         (fancy_abort): Call internal_error.
9253         * errors.h (internal_error, trim_filename): New declarations.
9254
9255 2001-02-24  Alexandre Oliva  <aoliva@redhat.com>
9256
9257         * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
9258         2000-08-26's patch.
9259         (EXTRA_CONSTRAINT): Formatting changes.
9260
9261 2001-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9262
9263         * rtl.c (rtl_check_failed_code2): Fix typo in last change.
9264
9265 2001-02-23  Per Bothner  <per@bothner.com>
9266
9267         * gcc.c (record_temp_file, pfatal_with_name, error):  Make non-static,
9268         so they can be called from java/jvspec.c.
9269         * gcc.h (record_temp_file, pfatal_with_name, error):  Declare.
9270
9271 Sat Feb 24 03:32:50 CET 2001  Jan Hubicka  <jh@suse.cz>
9272
9273         * i386.c (ix86_frame): New structure.
9274         (ix86_compute_frame_size): Kill.
9275         (ix86_compute_frame_layout): New.
9276         (ix86_save_reg): New.
9277         (ix86_can_use_return_insn_p): Use frame layout stuff.
9278         (ix86_expand_prologue): Likewise.
9279         (ix86_expand_epilogue): Likewise.
9280         (ix86_initial_elimination_offset): Likewise.
9281         (ix86_nsaved_regs): Use ix86_save_reg.
9282         (ix86_emit_save_regs): Likewise.
9283
9284 Sat Feb 24 03:30:38 CET 2001  Jan Hubicka  <jh@suse.cz>
9285
9286         * flow.c (find_sub_basic_blocks): New function.
9287         (split_block): Be ready for basic block introduced by CODE_LABEL.
9288         (commit_one_edge_insertion): Call find_sub_basic_block.
9289
9290         * flow.c (make_edges): Add edge from entry for blocks starting with
9291         label having ALTERNATE_NAME
9292
9293 Sat Feb 24 03:19:42 CET 2001  Jan Hubicka  <jh@suse.cz>
9294
9295         * function.c (epilogue_done): Be ready for first basic block not
9296         containing PROLOGUE_END note.
9297         (reposition_prologue_and_epilogue_notes): Avoid placing
9298         PROLOGUE_END note between BASIC_BLOCK.
9299
9300 Sat Feb 24 03:17:09 CET 2001  Jan Hubicka  <jh@suse.cz>
9301
9302         * loop.c (canonicalize_condition): Move to reversed_comparison_code.
9303
9304 2001-02-21  DJ Delorie  <dj@redhat.com>
9305
9306         * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
9307         check for current_function_has_nonlocal_goto from 1999-11-12.
9308
9309 Fri Feb 23 15:28:39 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9310
9311         * diagnostic.c (trim_filename): No longer static.
9312         * toplev.h (trim_filename): Declare.
9313         * rtl.c (rtl_check_failed_bounds): Call internal_error.
9314         (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
9315         (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
9316         (rtvec_check_failed_bounds): Likewise.
9317         * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
9318
9319         * convert.c (convert_to_integer): Don't do unsigned unless result or
9320         both inputs are unsigned.
9321
9322         * fold-const.c (fold_convert): Don't call size_int_type_wide if
9323         input overflows.
9324
9325         * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
9326
9327         * varasm.c (output_constant): Recompute CODE after lang-specific fn.
9328
9329 2001-02-23  Jeffrey Oldham  <oldham@codesourcery.com>
9330
9331         * Makefile.in (resource.o): Add params.h dependence.
9332         * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
9333         * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
9334         * resource.c: Add dependence on params.h.
9335         (current_live_regs): Fix explanatory comment.
9336         (find_basic_block): Add new parameter to permit limiting search
9337         for a BARRIER.
9338         (mark_target_live_regs): Add new argument to find_basic_block call.
9339         (incr_ticks_for_insn): Likewise.
9340
9341 2001-02-23  Gabriel Dos Reis  <gdr@merlin.codesourcery.com>
9342
9343         * diagnostic.c (output_to_stream): Rename to
9344         output_buffer_to_stream. Loses the stream parameter.
9345         (init_output_buffer): Set diagnosic_buffer's stream.
9346         (flush_diagnostic_buffer): Adjust.
9347         (default_print_error_function): Likewise.
9348         (finish_diagnostic): Likewise.
9349         (verbatim): Likewise.
9350
9351         * diagnostic.h (struct output_buffer): Add `stream' field.
9352         (output_buffer_attached_stream): New macro.
9353
9354 2001-02-23  Jakub Jelinek  <jakub@redhat.com>
9355
9356         * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
9357         check if either operand is divisible by C.
9358         (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
9359         If type is signed, consider negative numbers as well.
9360
9361 2001-02-22  Richard Henderson  <rth@redhat.com>
9362
9363         * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
9364         reach .text instead of gp-relative relocs.
9365         * config/ia64/crtend.asm (.init): Likewise.
9366
9367 2001-02-22  Andreas Jaeger  <aj@suse.de>
9368
9369         * extend.texi (C++ Attributes): Fix typo.
9370
9371 2001-02-21  David Mosberger  <davidm@hpl.hp.com>
9372
9373         * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
9374         functions, drop current_function_args_info.words test.
9375         (ia64_compute_frame_size): Mark syscall_linkage functions as
9376         using eight input registers.
9377
9378 2001-02-21  Loren J. Rittle  <ljrittle@acm.org>
9379         Bruce Korb  <bkorb@gnu.org>
9380
9381         * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
9382         * fixinc/README: Document how to convert sed substitutions
9383         to format style c_fix-es.
9384         * fixinc/fixincl.x: regen
9385
9386 2001-02-21  Jeffrey D. Oldham  <oldham@codesourcery.com>
9387
9388         * gcc.c: Add comment explaining how to add a command-line option.
9389         Add title to specs language comment.
9390
9391 2001-02-21  Jeffrey Oldham  <oldham@codesourcery.com>
9392
9393         * gcc.c (cc1_options): Add "-param".
9394         (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
9395         (option_map): Likewise.
9396         * toplev.c (display_help): Add entry for "--param".
9397         (independent_decode_option): Fix typographical error.
9398
9399 Wed Feb 21 18:57:28 CET 2001  Catherine Moore  <clm@redhat.com>
9400                               Bernd Schmidt  <bernds@redhat.com>
9401                               Jan Hubicka  <jh@suse.cz>
9402
9403         * i386.c (function_arg_advance):  Pass SSE arguments in registers.
9404         (function_arg): Likewise.
9405
9406 Wed Feb 21 18:12:41 CET 2001  Jan Hubicka  <jh@suse.cz>
9407
9408         * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
9409
9410 2001-02-21  Kazu Hirata  <kazu@hxi.com>
9411
9412         * config/h8300/h8300.md (iorsi3): Do not output an extra newline
9413         character.
9414         (xorsi3): Likewise.
9415
9416 Wed Feb 21 17:35:24 CET 2001  Jan Hubicka  <jh@suse.cz>
9417
9418         * flow.c (init_propagate_block_info): Canon address and use single_set
9419         for killing dead memory stores.
9420
9421 2001-02-21  Jeffrey Oldham  <oldham@codesourcery.com>
9422
9423         * Makefile.in (reorg.o): Add params.h dependence.
9424         * params.def: Fix typographical error in comment.
9425         (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9426         * params.h: Modify introductory comment.
9427         (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9428         * reorg.c: Add dependence on params.h.
9429         (redundant_insn): Add parameterized throttle for search.
9430         (fill_simple_delay_slots): Add a comment explaining a variable.
9431         Move conditional out of loop, simplifying code.
9432         (fill_eager_delay_slots): Fix typographical error in comment.
9433
9434 2001-02-20  Aldy Hernandez  <aldyh@redhat.com>
9435
9436         * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
9437
9438         * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
9439         (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
9440
9441 2001-02-21  Jason Merrill  <jason@redhat.com>
9442
9443         * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
9444         (struct tree_decl): Add uninlinable bitfield.
9445         * c-decl.c (duplicate_decls): Set it.
9446         * integrate.c (function_cannot_inline_p): Check it.
9447
9448         * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
9449         DW_AT_MIPS_linkage_name to abstract methods.
9450         (dwarf2out_abstract_function): Emit class context before calling
9451         set_decl_abstract_flags.  Don't clear DECL_ABSTRACT.
9452         (gen_subprogram_die): Remove obsolete code.
9453         (gen_member_die): Don't include clones in the member list.
9454         (gen_decl_die): Emit abstract info for clone origin.
9455         * dwarfout.c (output_type): Don't include clones in the member list.
9456         * dbxout.c (dbxout_type_methods): Ignore abstract methods.
9457         * toplev.c (note_deferral_of_defined_inline_function): Don't clear
9458         DECL_ABSTRACT on a function that already has it set.
9459
9460         * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
9461         (get_subprogram_die): Pass it in.
9462
9463 2001-02-21  Richard Earnshaw  <rearnsha@arm.com>
9464
9465         * flow.c (mark_set_1): Make not_dead unsigned long.  For
9466         non-pseudos, use it as a bitmask of the hard regs that
9467         don't die.
9468
9469 2001-02-21  Neil Booth  <neil@daikokuya.demon.co.uk>
9470
9471         * cppfiles.c: Update comments.
9472         (_cpp_read_file): Don't check for NULL filenames any more.
9473         * cppinit.c (cpp_start_read): Don't do canonicalization of
9474         in_fname and out_fname.  Use the passed file name exclusively.
9475         (_cpp_handle_options): Don't treat "-" as a command line option,
9476         but as a normal filename.
9477         (_cpp_post_options): Canonicalize in_fname and out_fname.
9478         * cppmain.c (printer_init): Don't check out_fname for NULL.
9479         * c-lex.c (orig_filename): Rename cpp_filename for clarity.
9480         (init_c_lex): Update, and use "" to represent stdin to CPP.
9481         (yyparse): Update.
9482
9483 2001-02-20  Will Cohen  <wcohen@redhat.com>
9484
9485         * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
9486         * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
9487         (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
9488         fixunstfsi_libfunc.
9489
9490 2001-02-20  Stan Shebs  <shebs@apple.com>
9491
9492         * config/rs6000/rs6000.c (output_cbranch): Output branches
9493         on separate lines instead of using ';' to separate.
9494
9495 2001-02-20  Neil Booth  <neil@daikokuya.demon.co.uk>
9496
9497         * cppinit.c (set_lang):  Move builtin handling to...
9498         (init_builtins): ...here.
9499         (_cpp_create_reader): Move call to set_lang.
9500
9501 2001-02-20  Mark Mitchell  <mark@codesourcery.com>
9502
9503         * stmt.c (expand_return): If an attempt is made to return the
9504         error_mar_node, treat the return like a return without a value.
9505
9506 2001-02-19  Zack Weinberg  <zackw@stanford.edu>
9507
9508         * sibcall.c (skip_copy_to_return_value): Call
9509         identify_call_return_value here, and return orig_insn if it
9510         returns zero.  Hardret and softret arguments now unnecessary.
9511         (call_ends_block_p): Don't call identify_call_return_value here.
9512
9513         * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
9514         's' slots in RTXen.
9515         * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
9516         * ggc.h (ggc_mark_if_gcable): Delete prototype.
9517
9518 Mon Feb 19 20:30:16 2001  Jeffrey A Law  (law@cygnus.com)
9519
9520         * pa.c (move_operand): Accept code to load the address of a
9521         symbol out of the DLT as a valid move operand.
9522         (print_operand, case 'A'): New to handle generating a DLT
9523         reference for a LO_SUM expression.
9524         * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
9525         * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
9526
9527 2001-02-19  Joseph S. Myers  <jsm28@cam.ac.uk>
9528
9529         * README, cpp.texi, gcc.texi, version.c: Update version number to
9530         3.1.
9531         * cpp.1, gcov.1, gcc.1: Regenerate.
9532
9533 2001-02-19  Neil Booth  <neil@daikokuya.demon.co.uk>
9534
9535         * cppfiles.c (stack_include_file): Generate dependencies
9536         here, and manage include_count here too.
9537         (PRINT_THIS_DEP): Delete.
9538         (_cpp_execute_include): Do not generate dependencies here,
9539         apart from the case of a missing header.  Do not manage
9540         include_count.
9541         (_cpp_read_file): Leave dependency generation to
9542         stack_include_file.
9543
9544 Mon Feb 19 10:17:47 2001  Jeffrey A Law  (law@cygnus.com)
9545
9546         * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
9547         target_cpu_default.  Remove dead assignment to
9548         target_cpu_default.
9549
9550 Mon Feb 19 16:47:39 CET 2001  Jan Hubicka  <jh@suse.cz>
9551
9552         * regclass.c (contains_reg_of_mode): Make global.
9553         (init_reg_sets): Remove contains_reg_of_mode; take into account
9554         CLASS_MAX_NREGS when looking for the proper mode.
9555         (dump_regclass): Dump only classes considered for the pseudo.
9556         (regclass): Use contains_reg_of_mode.
9557
9558 Mon Feb 19 16:45:42 CET 2001  Jan Hubicka  <jh@suse.cz>
9559
9560         * gcc.c (do_spec_1): 'n' for printing notices.
9561         * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
9562
9563 Mon Feb 19 15:51:30 CET 2001  Jan Hubicka  <jh@suse.cz>
9564
9565         * reg-stack.c (next_flags_user): Use current_block->end
9566         (swap_rtx_condition): Look for next user if flags don't die;
9567         give up on CALL_INSNs; use current_block->end.
9568
9569 Mon Feb 19 08:27:21 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9570
9571         * sibcall.c (call_ends_block_p): New function.
9572         (optimize_sibling_and_tail_recursive_call): Use it.
9573
9574 2001-02-18  Kazu Hirata  <kazu@hxi.com>
9575
9576         * config/h8300/h8300.md: Update copyright.
9577         (andsi3): Do not output an extra newline character.
9578
9579 Sun Feb 18 15:45:17 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9580
9581         * toplev.c (note_deferral_of_defined_inlined_function): Argument
9582         FNDECL may be unused.
9583
9584         * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
9585         follow jumps after first run.
9586         If -fexpensive-optimizations rerun CSE after GCSE and iterate until
9587         it doesn't change any jumps.
9588
9589 Sun Feb 18 17:05:50 2001  Jeffrey A Law  (law@cygnus.com)
9590
9591         * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
9592         ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
9593         (mostlyclean): Corresponding changes.
9594         * rtlanal.c (hard-reg-set.h): Include.
9595         (rtx_unstable_p): Do not treat the argument pointer specially
9596         if it is not a fixed register.
9597         (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
9598
9599 Sun Feb 18 15:45:17 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9600
9601         * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
9602         against last real insn in basic block.
9603         Rework to avoid gotos.
9604
9605         * Makefile.in (gcse.o): Now includes ggc.h.
9606         * gcse.c: Include ggc.h.
9607         (want_to_gcse_p): Verify expression can be in SET as valid insn.
9608         (try_replace_reg): Remove warning of uninitialize variable.
9609         (process_insert_insn): Call invalid_insn_p to validate insn.
9610         * recog.c (insn_invalid_p): Now global.
9611         See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
9612         * recog.h (insn_invalid_p): New declaration.
9613
9614         * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
9615
9616         * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
9617         assignments from FP constants since 'Y' output code can't handle it.
9618         (eligible_for_sibcall_delay): Likewise.
9619
9620         * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
9621         Call fancy_abort directly, passing args.
9622         (print_rtl_and_abort): Now a macro, like fancy_abort.
9623
9624         * final.c (output_operand_lossage): Use internal_error, not error.
9625
9626 2001-02-18  Shane Nay  <shane@agendacomputing.com>
9627
9628         * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
9629         structure shift insns.
9630
9631 2001-02-18  Mark Mitchell  <mark@codesourcery.com>
9632
9633         * invoke.texi (-fsquangle): Remove documentation.
9634         (-fname-mangling-version): Likewise.
9635
9636 2001-02-18  Lars Brinkhoff  <lars@nocrew.org>
9637
9638         * optabs.c (expand_abs): Remove reference to
9639         HAVE_contitional_arithmetic.
9640         * combine.c (simplify_set): Likewise.
9641
9642 2001-02-18  Richard Henderson  <rth@redhat.com>
9643
9644         * ifcvt.c (dead_or_predicable): Don't move code if eh regions
9645         would be disrupted.
9646
9647 2001-02-18  Richard Henderson  <rth@redhat.com>
9648
9649         * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
9650
9651         * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
9652
9653         * reload1.c (reload_cse_simplify_set): Fix typo.
9654
9655 Sun Feb 18 09:30:09 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9656
9657         * diagnostic.c (_fatal_insn): Decrement errorcount.
9658
9659         * invoke.texi (-I): Add note avoiding use for system header files.
9660
9661         * rtl.h (add_clobbers): Remove duplicate declaration.
9662         * recog.h (added_clobbers_hard_reg_p): New declaration.
9663         * genemit.c (struct clobber_pat): New field has_hard_reg.
9664         (gen_insn): Record if added clobbers clobber hard reg.
9665         (gen_split): Avoid unused warning if number of operands is 0.
9666         (output_added_clobbers_hard_reg_p): New function.
9667         (main): Call it.
9668
9669 2001-02-18  Alan Modra <alan@linuxcare.com.au>
9670
9671         * pa.c (hppa_expand_prologue): Simplify code storing return
9672         pointer.  For large (>=8k) frames with a post_store, adjust stack
9673         pointer by 8k-64 first rather than by 64.  When testing with
9674         VAL_14_BITS_P, always use the actual value rather than the value
9675         negated.  Add blockage to prevent scheduling of spills before
9676         stack frame has been created.
9677         (hppa_expand_epilogue): Simplify code loading return pointer.
9678         Allow a slightly larger range for merge_sp_adjust_with_load case.
9679         When testing with VAL_14_BITS_P, always use the actual value.
9680
9681         * pa.c (pa_adjust_insn_length): Check that block move
9682         pattern is a set before looking at operands.
9683
9684 2001-02-17  Mark Mitchell  <mark@codesourcery.com>
9685
9686         * fold-const.c (fold_binary_op_with_conditional_arg): New
9687         function, split out from ...
9688         (fold): ... here.
9689         * tree.def (COND_EXPR): Document the use of VOID_TYPE for
9690         conditional arms that throw exceptions.
9691
9692         * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
9693         looking at a BLOCK.
9694
9695 2001-02-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9696
9697         * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
9698         define HAVE_DECL_* to 1 to mask potential backup declarations.
9699         * configure: Regenerated.
9700
9701 2001-02-17  Mark Mitchell  <mark@codesourcery.com>
9702
9703         * invoke.texi (-Woverloaded-virtual): Clarify documentation.
9704
9705 2001-02-17  Richard Henderson  <rth@redhat.com>
9706
9707         * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
9708         when replacing a memory load with a register.
9709
9710 Sat Feb 17 14:48:30 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9711                           Jan Hubicka  <jh@suse.cz>
9712
9713         * recog.c (validate_replace_src_1): New.
9714         (validate_replace_src_data): Likewise.
9715         (validate_replace_src): Use note_uses.
9716         * rtl.h (note_uses): Declare.
9717         * rtlanal.c (note_uses): New.
9718
9719 Sat Feb 17 10:52:34 CET 2001  Jan Hubicka  <jh@suse.cz>
9720
9721         * reg-stack.c (stack_def): Make field reg unsigned.
9722         (remove_regno_note): Unsignetize parameter.
9723
9724 2001-02-16  Jes Sorensen  <jes@linuxcare.com>
9725
9726         * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
9727         shladd_operand() call.
9728
9729 2001-02-16  Bruce Korb  <bkorb@gnu.org>
9730             Rodney Brown  <RodneyBrown@mynd.com>
9731
9732         * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
9733         * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
9734         machine restrictions
9735         * fixinc/fixincl.x: regen
9736
9737 Fri Feb 16 12:41:30 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9738
9739         * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
9740         Don't CSE a nop.
9741         (hash_scan_insn): Clean up calls to hash_scan_set.
9742         (compute_kill_rd): REGNO now unsigned.
9743         (try_replace_reg): Rework to use simplify_replace_rtx.
9744         (cprop_jump, cprop_cc0_jump): Likewise.
9745         (cprop_insn): Call find_reg_equal_equiv_note.
9746         Reflect changes to cprop_jump and cprop_cc0_jump.
9747
9748         * recog.c (validate_replace_src): Replace in operands of
9749         ZERO_EXTRACT in SET_DEST.
9750
9751         * cse.c (new_label_ref): New variable.
9752         (insert): Set it instead of recorded_label_ref.
9753         (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
9754         CODE_LABEL for this function, and not already in REG_LABEL note.
9755
9756 2001-02-16  Jeffrey Oldham  <oldham@codesourcery.com>
9757
9758         * resource.c (mark_referenced_resources): Fix typo in introductory
9759         comment.
9760         * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
9761         string constant.
9762
9763 2001-02-16  Jason Merrill  <jason@redhat.com>
9764
9765         * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
9766         NULL.
9767         (gen_subprogram_die): Don't abort on seeing a second definition if
9768         the previous one was abstract.  Don't replace an abstract instance
9769         in the lookup table.
9770
9771         * dwarf2out.c (dwarf2out_abstract_function): Rename from
9772         gen_abstract_function.
9773         * dwarf2out.h: Declare it.
9774         * toplev.c (note_outlining_of_inline_function): New fn.
9775         * toplev.h: Declare it.
9776         * integrate.c (output_inline_function): Call it.
9777         * c-decl.c (duplicate_decls): Call it when redefining an extern
9778         inline.  Don't inline the new defn.
9779
9780         * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
9781
9782 2001-02-16  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
9783
9784         * .gdbinit: Rename to gdbinit.in.
9785         * gdbinit.in: New file,
9786         * configure.in: Generate .gdbinit from gdbinit.in.
9787         * configure: Regenerated.
9788         * Makefile.in (distclean): Always remove .gdbinit.
9789
9790 2001-02-16  Jakub Jelinek  <jakub@redhat.com>
9791
9792         * objc/objc-act.c (start_class): Register implemented_classes with
9793         GC.
9794
9795 2001-02-16  Neil Booth  <neil@daikokuya.demon.co.uk>
9796
9797         * cppfiles.c (_cpp_make_system_header): Generate a file
9798         change callback.
9799
9800 2001-02-15  Jim Meyering  <meyering@lucent.com>
9801
9802         * Makefile.in (install-common): Don't depend on installdirs here.
9803         Instead, make each of the lang.install-common targets (e.g.,
9804         c++.install-common in cp/Make-lang.in) depend on it.
9805         (install-driver): Depend on installdirs.
9806
9807 Thu Feb 15 21:30:26 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9808
9809         * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
9810
9811         * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
9812         do in memory.
9813
9814 2001-02-15  Mark Mitchell  <mark@codesourcery.com>
9815
9816         * invoke.texi (--param): Document.
9817
9818 Thu Feb 15 15:16:38 2001  Alexandre Oliva  <aoliva@redhat.com>
9819
9820         * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
9821
9822 Thu Feb 15 10:52:31 CET 2001  Jan Hubicka  <jh@suse.cz>
9823
9824         * i386.md (extendsfdf2_2): Fix constraints.
9825
9826 Thu Feb 15 09:46:21 CET 2001  Jan Hubicka  <jh@suse.cz>
9827
9828         * i386.md (fop_df_3 splitter): Fix operand number.
9829
9830 Wed Feb 14 12:37:37 CET 2001  Jan Hubicka  <jh@suse.cz>
9831
9832         * invoke.texi (-mreg-alloc): Nuke.
9833         * i386.c (ix86_reg_alloc_order, regs_allocated,
9834         order_regs_for_local_alloc): Nuke.
9835         (override_options): Kill reg_alloc code.
9836         * i386.h (TARGET_OPTIONS): Kill reg-alloc.
9837         (REG_ALLOC_ORDER): SSE goes before I387.
9838         (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
9839         (ix86_reg_alloc_order): Likewise.
9840         * i386-protos.h (ix86_reg_alloc_order): Kill.
9841
9842 2001-02-14  Richard Henderson  <rth@redhat.com>
9843
9844         * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
9845
9846 Wed Feb 14 11:59:58 CET 2001  Jan Hubicka  <jh@suse.cz>
9847
9848         * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
9849
9850 Wed Feb 14 11:12:38 CET 2001  Jan Hubicka  <jh@suse.cz>
9851
9852         * i386-protos.h (ix86_memory_move_cost): Move offline.
9853         * i386.c (ix86_register_move_cost): Compute properly cost of
9854         SSE, MMX and i387 instructions.
9855         (*_cost): Add costs of SSE/MMX moves.
9856         (ix86_memory_move_cost): Move offline from ....; Likewise.
9857         * i386.h (MEMORY_MOVE_COST): .... here;
9858         (struct processor costs): Add new fields to represent costs
9859         of SSE/MMX moves.
9860
9861 Wed Feb 14 10:08:26 CET 2001  Jan Hubicka  <jh@suse.cz>
9862
9863         * regclass.c (init_reg_sets_1): Reinstall the optimization of
9864         move_cost together with Matt Kraai's fix.
9865
9866 2001-02-14  Jeffrey Oldham  <oldham@codesourcery.com>
9867
9868         * Makefile.in (OBJS): Add params.o.
9869
9870 2001-02-14  Richard Henderson  <rth@redhat.com>
9871             DJ Delorie  <dj@redhat.com>
9872
9873         * jump.c (jump_optimize_1): When we delete a conditional jump
9874         preceeding a non-conditional jump to effectively the same place,
9875         make sure that the combined jump skips any clobber insns between
9876         the two labels.
9877
9878 2001-02-14  Jeffrey Oldham  <oldham@codesourcery.com>
9879
9880         * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
9881
9882 2001-02-14  Mark Mitchell  <mark@codesourcery.com>
9883
9884         * Makefile.in (toplev.o): Depend on params.h.
9885         (intergate.o): Likewise.
9886         (params.o): New target.
9887         * flags.h (inline_max_insns): Remove.
9888         * integrate.c: Include params.h.
9889         Use MAX_INLINE_INSNS instead of inline_max_insns.
9890         * params.c: New file.
9891         * params.h: Likewise.
9892         * params.def: Likewise.
9893         * toplev.c: Include params.h.
9894         (lang_independent_params): New variable.
9895         (decode_f_option): Use the param machinery instead of setting
9896         max_inline_insns.
9897         (independent_decode_option): Handle "--param name=value".
9898         (main): Register language-independent parameters.
9899
9900 Wed Feb 14 11:13:45 CET 2001  Jan Hubicka  <jh@suse.cz>
9901
9902         * i386.md (pushsf, pushdf_nointeger): Fix constraint.
9903
9904 2001-02-14  Richard Henderson  <rth@redhat.com>
9905
9906         * regclass.c (init_reg_sets_1): Revert last two changes.
9907
9908 2001-02-14  Jakub Jelinek  <jakub@redhat.com>
9909
9910         * stor-layout.c (is_pending_size, put_pending_size): New functions.
9911         (variable_size): Call put_pending_size.
9912         * tree.h (is_pending_size, put_pending_size): Add prototypes.
9913         * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
9914         sizes list, put newly created SAVE_EXPR there as well.
9915
9916 2001-02-14  Jakub Jelinek  <jakub@redhat.com>
9917
9918         * config/ia64/ia64.c (last_group): Only 2 entries are needed.
9919         (errata_find_address_regs): load_group has only 2 entries.
9920         (errata_emit_nops): Likewise.  shladd is not problematic.
9921         Clear last_group if nop was emitted.
9922         (fixup_errata): load_group has only 2 entries.
9923         Optimize.
9924
9925 2001-02-14  Neil Booth  <neil@daikokuya.demon.co.uk>
9926
9927         * c-lex.c (lex_number): Only warn traditionally for U suffix
9928         outside system macros.
9929         * cppexp.c (parse_number): Similarly.
9930         * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
9931         * cppmacro.c (struct cpp_macro): New member node.
9932         (parse_args): Only warn about missing rest args if not
9933         a system macro.
9934         (funlike_invocation_p): Similarly for uninvoked funlike macros.
9935         (cpp_sys_objmacro_p): New.
9936         (_cpp_create_definition): Store the node with the macro defn.
9937         Remember if the macro is defined in a system header.
9938
9939 2001-02-13  DJ Delorie  <dj@redhat.com>
9940
9941         * configure.in (check_languages): determine languages to check
9942         * Makefile.in (check-c++): alias for check-g++
9943         (check-f77): alias for check-g77
9944         (CHECK_TARGETS): depend on configured languages
9945
9946 Wed Feb 14 01:13:59 CET 2001  Jan Hubicka  <jh@suse.cz>
9947
9948         * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9949         (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9950         (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9951         (sqrtextendsfdf2): Disable for SSE2.
9952
9953 Wed Feb 14 00:19:28 CET 2001  Jan Hubicka  <jh@suse.cz>
9954
9955         * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9956         (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9957         (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9958         (sqrtextendsfdf2): Disable for SSE2.
9959
9960 Wed Feb 14 00:11:20 CET 2001  Jan Hubicka  <jh@suse.cz>
9961
9962         * i386.md (movsfcc_1): Support integer cmove instruction.
9963         (movdfcc_1): Likewise; new splitter.
9964
9965 Tue Feb 13 23:19:27 CET 2001  Jan Hubicka  <jh@suse.cz>
9966
9967         * i386.c (output_fp_compare): Support SSE.
9968         (prepare_fp_compare_args): SSE comparisons always support memory.
9969         * i386.h (TARGET_CMOVE): SSE imply cmove.
9970         * i386.md (cmp?f2): Enable for SSE too.
9971         (cmpfp_i*): Support SSE.
9972         (cmpfp_i_sse): New.
9973         (cmpfp_i_sse_only): New.
9974         (s*, b* fp expanters): Enable for SSE too.
9975         (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
9976         New patterns.
9977
9978 Tue Feb 13 23:05:42 CET 2001  Jan Hubicka  <jh@suse.cz>
9979
9980         * regclass.c (init_reg_sets_1): Silence warning.
9981
9982 Tue Feb 13 22:03:07 CET 2001  Jan Hubicka  <jh@suse.cz>
9983
9984         * i386.md (sqrt?f2): Change to expander.
9985         (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
9986
9987 Tue Feb 13 15:42:05 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9988
9989         * rtlanal.c (find_reg_equal_equiv_note): New function.
9990         * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
9991         (simplify_gen_relational, simplify_replace_rtx): Likewise.
9992         * rtl.h: Add declarations for above functions.
9993
9994 Tue Feb 13 21:09:11 CET 2001  Jan Hubicka  <jh@suse.cz>
9995
9996         * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
9997         conditionals.
9998         * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
9999         * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
10000         * flow.c (mark_regs_live_at_end): Likewise.
10001         (calculate_global_regs_live): Likewise.
10002         * gcse.c (compute_hash_table): Likewise.
10003         (compute_kill_rd): Likewise.
10004         * resource.c (mark_target_live_regs): Likewise.
10005         * rtl.h (INVALID_REGNUM): New macro.
10006
10007 Tue Feb 13 20:59:22 CET 2001  Jan Hubicka  <jh@suse.cz>
10008
10009         * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
10010
10011 Tue Feb 13 16:32:20 CET 2001  Jan Hubicka  <jh@suse.cz>
10012
10013         * i386.md (fixsfsi2, fixdfdi2): Force operand to register
10014         for SSE.
10015
10016 Tue Feb 13 14:53:16 CET 2001  Jan Hubicka  <jh@suse.cz>
10017
10018         * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
10019         too.
10020         (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
10021         (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
10022         (fop_sf_1_sse, fop_df_1_sse): New patterns
10023         (fop_*): Disable float_extend and float patterns for SSE compilation.
10024         * i386.c (output_387_binary_op): Support SSE.
10025
10026 Tue Feb 13 14:16:34 CET 2001  Jan Hubicka  <jh@suse.cz>
10027
10028         * i386.md (dummy_extendsfdf2): Support SSE2
10029         (extendsfdf2): Enable if 80387 or SSE2.
10030         (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
10031         and no MIX_I387_SSE2
10032         (extendsfdf2_1_sse_only): New pattern.
10033         (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
10034         of SSE.
10035         (truncdfsf2_1): Support SSE.
10036         (truncdfsf2_2): Support SSE.
10037         (truncdfsf2_2_1_sse): New pattern.
10038         (fixtruncsfsi2): Always use SSE if available.
10039         (fix_truncsfsi_sse): New pattern.
10040         (fix_truncdfsi_sse): New pattern.
10041         (floatsis?f2): Support SSE.
10042         (floatsidf2_i387): New pattern.
10043         (floatsidf2_sse): Likewise.
10044
10045 Tue Feb 13 07:52:04 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10046
10047         * configure.in: Use "have_gnat" variable, not "gnat".
10048         * configure: Regenerated.
10049
10050         * config/sparc/sparc.c (function_value): Treat all non-record
10051         aggregate types like used to treat UNION_TYPE.
10052
10053 Tue Feb 13 13:31:33 CET 2001  Jan Hubicka  <jh@suse.cz>
10054
10055         * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
10056         * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
10057         (MASK_SSE2): New.
10058         (MASK_MIX_SSE_I387): New.
10059         (TARGET_SSE): SSE2 imply SSE.
10060         (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
10061         (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
10062         (enum reg_class): Add new classes.
10063         (REG_CLASS_NAMES): Likewise.
10064         (REG_CLASS_CONTENTS): Likewise.
10065         (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
10066         (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
10067         supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
10068         (CLASS_MAX_NREGS): Use new macros.
10069         (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
10070         * i386.md (pushsf, movsf): Support SSE.
10071         (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
10072         splitters to use ANY_FP_REGNO_P.
10073         (movdf_nointeger, movdf_integer): Likewise.
10074
10075 2001-02-13  Alexandre Oliva  <aoliva@redhat.com>
10076
10077         * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
10078         (try_combine): Use it.
10079
10080 Tue Feb 13 11:37:06 CET 2001  Jan Hubicka  <jh@suse.cz>
10081
10082         * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
10083         MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
10084         (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
10085         (REGISTER_MOVE_COST): Likewise.
10086         * i386-protos.h (ix86_secondary_memory_needed,
10087         ix86_preferred_reload_class, ix86_register_move_cost): Declare.
10088         * i386.c (ix86_secondary_memory_needed,
10089         ix86_preferred_reload_class, ix86_register_move_cost): New function.
10090
10091 Die Feb 13 11:04:25 CET 2001  Jan Hubicka  <jh@suse.cz>
10092
10093         * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
10094         (HARD_REGNO_MODE_OK): Move offline to ....
10095         * i386.c (ix86_hard_regno_mode_ok) ... here;
10096         refuse all incorrect modes.
10097         * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
10098
10099 2001-02-13  Richard Henderson  <rth@redhat.com>
10100
10101         * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
10102         entire operator; replicate that and match_dup the operands.
10103         (cmp_ccx_arith_op_set): Likewise.
10104         (cmp_cc_arith_op_not_set): Likewise.
10105         (cmp_ccx_arith_op_not_set): Likewise.
10106
10107 2001-02-13  Alexandre Oliva  <aoliva@redhat.com>
10108
10109         * explow.c (trunc_int_for_mode): Sign-extend value to mode.
10110
10111 2001-02-12  Geoffrey Keating  <geoffk@redhat.com>
10112
10113         * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
10114         (TARGET_NO_BITFIELD_WORD): New macro.
10115         (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
10116         (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
10117
10118 Mon Feb 12 18:13:26 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10119
10120         * cselib.c: New file, from simplify-rtx.c.
10121         * simplify-rtx.c: Remove cselib parts.
10122         * Makefile.in: Add cselib.o.
10123
10124 2001-02-12  Geoffrey Keating  <geoffk@redhat.com>
10125
10126         * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
10127         (setup_incoming_varargs): Remove warning.
10128
10129         * config/rs6000/rs6000.c (validate_condition_mode): When
10130         flag_fast_math, allow floating-point conditionals to be reversed.
10131         (rs6000_generate_compare): When flag_fast_math, don't generate
10132         cror operations for FP conditionals.
10133
10134         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
10135         -mcall-i960.
10136         (ASM_SPEC): Likewise.
10137         (CC1_ENDIAN_LITTLE_SPEC): Likewise.
10138         (CC1_SPEC): Likewise.
10139         (LINK_TARGET_SPEC): Likewise.
10140         (CPP_ENDIAN_SPEC): Likewise.
10141         * Makefile.in (check-consistency): New target.
10142
10143 2001-02-12  Joseph S. Myers  <jsm28@cam.ac.uk>
10144
10145         * c-decl.c (grokdeclarator): In C99 mode, give the more specific
10146         "return type defaults" warning for functions with return type
10147         defaulting to int.
10148         * c-lang.c (c_init): In C99 mode, enable warnings for implicit
10149         function declarations by default rather than only when pedantic.
10150
10151 Mon Feb 12 17:28:48 CET 2001  Jan Hubicka  <jh@suse.cz>
10152
10153         * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
10154         arrays.
10155
10156 2001-02-12  Nathan Sidwell  <nathan@codesourcery.com>
10157
10158         * extend.texi (Deprecated): Deprecate new initializer lists.
10159
10160 2001-02-12  Nathan Sidwell  <nathan@codesourcery.com>
10161
10162         * mkdeps.c (deps_add_default_target): Robustify. Add
10163         basename component only.
10164         * cpp.texi (-M): Describe how default target is generated.
10165         * invoke.texi (-M): Likewise.
10166
10167 2001-02-12  Kazu Hirata  <kazu@hxi.com>
10168
10169         * toplev.c (push_float_handler): Remove.
10170         (pop_float_handler): Remove.
10171         * toplev.h: Remove prototypes for the above functions.
10172
10173 2001-02-12  Jakub Jelinek  <jakub@redhat.com>
10174
10175         * c-common.c (constant_fits_type_p): New function.
10176         (convert_and_check): Use it.
10177
10178 2001-02-11  Mark Mitchell  <mark@codesourcery.com>
10179
10180         * Makefile.in (GXX_ABI_FLAG): Don't define.
10181         * configure.in (--enable-new-gxx-abi): Remove option.
10182         * config.in: Regenerated.
10183         * configure: Likewise.
10184
10185 2001-02-12  Alexandre Oliva  <aoliva@redhat.com>
10186
10187         * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
10188         basic block.
10189         (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
10190         regular basic block, and arrange for all edges into it to switch
10191         to normal mode.
10192
10193 2001-02-11  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
10194
10195         * Makefile.in (distclean): Do not remove .gdbinit.
10196
10197 2001-02-11  Mark Mitchell  <mark@codesourcery.com>
10198
10199         * Makefile.in (gcc.o): Fix typos.
10200         (protize.o): Likewise.
10201         (unprotoize.o): Likewise.
10202
10203 2001-02-11  Richard Henderson  <rth@redhat.com>
10204
10205         * tree.c (build1): Check for null operand in last change.
10206
10207 2001-02-11  Richard Henderson  <rth@redhat.com>
10208
10209         * fold-const.c (split_tree): Don't assume a constant isn't splittable.
10210         (fold): Don't assume a constant isn't foldable.
10211         * tree.c (build): Set TREE_CONSTANT for an expression with no
10212         side-effects and constant operands.
10213         (build1): Likewise.
10214
10215 2001-02-10  Richard Henderson  <rth@redhat.com>
10216
10217         * jump.c (squeeze_notes): Revert 2000-05-12 change.
10218
10219 2001-02-10  Anthony Green  <green@redhat.com>
10220
10221         * cpp.texi (Standard Predefined): Add documentation for
10222         __OPTIMIZE_SIZE__.
10223
10224         * c-common.c (combine_strings): Improve warning message.
10225
10226 2001-02-10  Geoffrey Keating  <geoffk@redhat.com>
10227
10228         * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
10229         --oformat.
10230         * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
10231
10232 Fri Feb  9 15:05:27 2001  Christopher Faylor <cgf@cygnus.com>
10233
10234         * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
10235         CYGWIN_CROSS_DIR.
10236
10237 2001-02-09  Alexandre Oliva  <aoliva@redhat.com>
10238
10239         * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
10240         fp_mode attribute.
10241
10242 2001-02-09  Nick Clifton  <nickc@redhat.com>
10243
10244         * config/arm/arm.md: Change output contraint on post inc
10245         load/store multiple patterns to be a read/write contraint.
10246
10247 2001-02-09  Neil Booth  <neil@daikokuya.demon.co.uk>
10248
10249         * gcc.c (cpp_options): Delete .d files on error.  Don't delete
10250         .o files when using the -M options.
10251
10252 2001-02-08  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
10253             David Edelsohn  <edelsohn@gnu.org>
10254
10255         * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
10256         handle DImode constants.  Use one TOC entry for SImode and smaller
10257         constants, aligned properly.
10258
10259 2001-02-08  Jason Merrill  <jason@redhat.com>
10260
10261         * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
10262         about the SP adjustment for saving the static chain pointer.
10263         * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
10264         offset when setting a temporary CFA register.
10265
10266 2001-02-08  Chandrakala Chavva  <cchavva@redhat.com>
10267
10268         * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
10269         powerpc-*-chorusos* .
10270         * config/rs6000/chorus.h : New file.
10271         * config/i386/chorus.h : New file.
10272         * config/sparc/chorus.h : New file.
10273         * config/sparc/t-chorus-elf : New file.
10274
10275 2001-02-08  David Edelsohn  <edelsohn@gnu.org>
10276
10277         * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
10278         * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
10279         * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
10280         (__WCHAR_TYPE__): Correct macro name.
10281
10282 2001-02-08  Richard Henderson  <rth@redhat.com>
10283
10284         * config/i386/i386.c (ix86_frame_pointer_required): New.
10285         (ix86_setup_frame_addresses): New.
10286         (struct machine_funciton): Add accesses_prev_frame.
10287         * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
10288         ix86_frame_pointer_required.
10289         (SUBTARGET_FRAME_POINTER_REQUIRED): New.
10290         (SETUP_FRAME_ADDRESSES): New.
10291         * config/i386/i386-protos.h: Update.
10292         * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
10293         from FRAME_POINTER_REQUIRED.
10294         * config/i386/svr3gas.h: Likewise.
10295         * config/i386/sysv3.h: Likewise.
10296         * config/i386/v3gas.h: Likewise.
10297
10298 2001-02-08  Richard Henderson  <rth@redhat.com>
10299
10300         * config/sparc/sparc.c (function_arg_record_value_3): Fix
10301         calculation of the number of integer registers required.
10302         (function_arg_record_value): Likewise.
10303
10304 2001-02-08  Jason Merrill  <jason@redhat.com>
10305
10306         * diagnostic.c (internal_error): Say "confused" after 1 error, not
10307         two.  Print file and line with "confused" message.
10308
10309         * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
10310
10311 Thu Feb  8 11:21:28 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10312
10313         * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
10314
10315 2001-02-08  Bernd Schmidt  <bernds@redhat.com>
10316
10317         * final.c (cleanup_subreg_operands): The address of a MEM can
10318         contain SUBREGs.
10319
10320         * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
10321         for asms, too.
10322
10323 2001-02-08  Joseph S. Myers  <jsm28@cam.ac.uk>
10324
10325         * gcc.texi (Incompatibilities): Update documentation of
10326         preprocessing numbers.
10327
10328 2001-02-07  Jakub Jelinek  <jakub@redhat.com>
10329
10330         * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
10331
10332 2001-02-07  Mark Mitchell  <mark@codesourcery.com>
10333
10334         * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
10335
10336         * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
10337         * gcc.c (struct compiler): Add cpp_spec field.
10338         (input_file_compiler): New variable.
10339         (do_spec_1): Allow a particular compiler to handle `%C'
10340         specially.
10341         (main): Store the current compiler in input_file_compiler.
10342         * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
10343
10344 2001-02-07  Zack Weinberg  <zack@wolery.stanford.edu>
10345
10346         * cpphash.h (struct spec_nodes): Add n_true and n_false.
10347         * cppinit.c (cpp_create_reader): Initialize them.
10348         (append_include_chain): cxx_aware arg might be unused.
10349         * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
10350         keywords and give them their phase 7 meaning.  Pedwarn about
10351         this unless '__bool_true_false_are_defined' is defined.
10352
10353 2001-02-07  Alexandre Oliva  <aoliva@redhat.com>
10354
10355         * lcm.c (optimize_mode_switching): Emit mode_set before the
10356         JUMP_INSN of an abnormal edge.
10357
10358 2001-02-07  Bernd Schmidt  <bernds@redhat.com>
10359
10360         * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
10361         a scheduling barrier at the end.
10362
10363         * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
10364
10365 2001-02-07  Alexandre Oliva  <aoliva@redhat.com>
10366
10367         * config/sh/sh.md (reload_outsf): Removed.
10368         (movsf_ie): Introduce constraints for FPUL loads and stores.
10369         (reload_insf): Broaden the output constraint.
10370
10371         * config/elfos.h (INT_ASM_OP): Don't define it if it's already
10372         defined.
10373         * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
10374         ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
10375
10376 2001-02-06  Chandrakala Chavva  <cchavva@redhat.com>
10377
10378         * final.c: Revert my previous changes.
10379         * output.h: Make profile_label_no extern.
10380         * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
10381         for generating label.
10382
10383 2001-02-06  Laurynas Biveinis  <lauras@softhome.net>
10384
10385         * config/i386/djgpp.h: Add comments about standard paths.
10386         (MD_EXEC_PREFIX): Undefine before defining.
10387         (MD_STARTFILE_PREFIX): New.
10388
10389 2001-01-30  Bruce Korb  <bkorb@gnu.org>
10390
10391         fixinc/fixincl.c(process):  Emit error message only if appropriate :)
10392         (load_file): do not rely on load_file_data() to close file pointer
10393         fixinc/fixlib.c(load_file_data): do not close passed in file pointer
10394         fixinc/inclhack.def(irix_limits_const): add test_text
10395
10396 2001-02-06  Neil Booth  <neil@daikokuya.demon.co.uk>
10397
10398         * cppexp.c (parse_defined): Improve diagnostics for invalid
10399         syntax.
10400
10401 2001-02-06  Neil Booth  <neil@daikokuya.demon.co.uk>
10402
10403         * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
10404
10405 2001-02-06  Mark Mitchell  <mark@codesourcery.com>
10406
10407         * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
10408         * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
10409         * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
10410         (rs6000_output_symbol_ref): New function.
10411         (output_toc): Use VTABLE_NAME_P.
10412
10413 Tue Feb  6 07:54:51 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10414
10415         * print-tree.c (print_node, case PARM_DECL):
10416         Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
10417
10418         * stor-layout.c (reference_types_internal): New variable.
10419         (internal_reference_types): New function.
10420         (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
10421         * tree.h (internal_reference_types): New declaration.
10422
10423         * cse.c (find_best_addr): Fix typo in computing cost.
10424
10425 Mon Feb  5 21:56:16 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10426
10427         * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
10428         and this is the sum of a pointer and a constant, we know the result
10429         did not overflow.
10430         (num_sign_bit_copies, case PLUS): Likewise.
10431         * explow.c (convert_memory_address): Remove opposite SUBREG.
10432         * function.c (instantiate_new_reg): New function (from common code).
10433         (instantiate_virtual_regs_1): Call it.
10434         For PLUS, handle if (plus (subreg (virt-reg) (const_int))
10435         if pointers sign- or zero-extend.
10436         * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
10437         If pointers extend unsigned, use inside of SUBREG.
10438         (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
10439
10440 2001-02-05  Benjamin Kosnik  <bkoz@redhat.com>
10441
10442         * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
10443         subdir of gcc_gxx_include_dir.
10444         (gcc_gxx_target_include_dir): Remove.
10445
10446 2001-02-05  Jeffrey Oldham  <oldham@codesourcery.com>
10447
10448         * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
10449         (dwarf2out_frame_debug_expr): Revise introductory comments to add
10450         a high-level description.
10451
10452 2001-02-05  Chandrakala Chavva  <cchavva@redhat.com>
10453
10454         * final.c: Move the declaration of profile_label_no to ...
10455         * output.h: ... here.
10456         * function.c (expand_function_start): Call PROFILE_HOOK.
10457         * config/rs6000/aix.h: Define PROFILE_HOOK.
10458         * config/rs6000/rs6000-protos.h: output_profile_hook new.
10459         * config/rs6000/rs6000.c (output_profile_hook): Define.
10460         (output_prolog): Do nothing for ABI_AIX as it is taken care by
10461         output_profile_hook.
10462         tm.texi : Explain new macro PROFILE_HOOK.
10463
10464 2001-02-06  Hans-Peter Nilsson  <hp@axis.com>
10465
10466         * extend.texi (Extended Asm): Do not say that semicolon is always
10467         a valid line-breaking character for GNU assemblers.  Use
10468         newline-tab as the most commonly supported syntax.  Use
10469         newline-tab rather than semicolon in multi-insn examples.
10470
10471 2001-02-05  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
10472
10473         * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
10474
10475 2001-02-05  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
10476             David Edelsohn  <edelsohn@gnu.org>
10477
10478         * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
10479         code for AIX, even without flag_pic.
10480
10481 2001-02-05  Jakub Jelinek  <jakub@redhat.com>
10482
10483         * c-typeck.c (common_type): push and pop binding level around
10484         calling common_type on function parameters.
10485
10486 Mon Feb  5 14:30:37 2001  Christopher Faylor <cgf@cygnus.com>
10487
10488         * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
10489
10490 Mon Feb  5 11:23:16 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10491
10492         * config/mips/mips.c (override_options): Fix typo in last change.
10493         (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
10494         (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
10495
10496 2001-02-05  Nathan Sidwell  <nathan@codesourcery.com>
10497
10498         * invoke.texi (-fdump-class-layout): Document.
10499         (-fdump-translation-unit): Use `=' as filename separator.
10500
10501 2001-02-05  Mark Mitchell  <mark@codesourcery.com>
10502
10503         * Makefile.in (s-mlib): Don't build multilibs if
10504         --disable-multilib.
10505         (DRIVER_DEFINES): Adjust accordingly.
10506         (gcc.o): Likewise.
10507         (protoize.o): Likewise.
10508         (unprotoize.o): Likewise.
10509         * configure.in: Recognize --enable-multilib.
10510
10511 2001-02-04  Mark Mitchell  <mark@codesourcery.com>
10512
10513         * Makefile.in (DRIVER_DEFINES): Fix quoting.
10514
10515         * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
10516         * configure.in: Remove --enable-libstdcxx_v3 support.
10517         * configure: Regenerated.
10518
10519 Sun Feb  4 15:52:44 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10520
10521         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
10522         Call abort instead of fatal.
10523         (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
10524         * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
10525         (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
10526         (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
10527         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
10528         * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
10529
10530         * diagnostic.h (set_internal_error_function): Renamed.
10531         * toplev.h (internal_error): Renamed from fatal.
10532         (pfatal_with_name): Deleted.
10533         (fatal_io_error): Now has printf-style arguments.
10534         * diagnostic.c (pfatal_with_name): Deleted.
10535         (fatal_io_error): Rework to have args in printf-style.
10536         (set_internal_error_function): Renamed from set_fatal_function.
10537         (internal_error): Renamed from fatal.
10538         (error_recursion, fancy_abort): Call internal_error instead of fatal.
10539         * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
10540         * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
10541         * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
10542         * flow.c (verify_flow_info): Likewise.
10543         * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
10544         * config/mips/mips.c (save_restore_insns): Likewise.
10545
10546         * except.c (duplicate_eh_handlers): Call abort instead of fatal.
10547         * flow.c (verify_flow_info): Likewise.
10548         * config/arm/arm.c (thumb_load_double_from_address): Likewise.
10549         * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
10550         (avr_normalize_condition): Likewise.
10551         * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
10552         * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
10553         (limit_reload_class, double_reg_to_memory): Likewise.
10554         (print_operand_address, emit_1600_code_shift): Likewise.
10555         (gen_tst_reg, gen_compare_reg): Likewise.
10556         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
10557         * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
10558         Deleted.
10559         * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
10560
10561         * c-parse.in (methoddef): Call fatal_error instead of fatal.
10562         * objc/objc-act.c (build_ivar_chain): Likewise.
10563         * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
10564         pfatal_with_name.
10565         * graph.c (clean_graph_dump_file): Likewise.
10566         * profile.c (init_branch_prob): Likewise.
10567         * objc/objc-act.c (objc_init): Likewise.
10568
10569         * config/arm/arm.c (arm_override_options): Make errors non-fatal.
10570         * config/avr/avr.c (avr_override_options): Likewise.
10571         * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
10572         * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
10573         * config/h8300/h8300.c (h8300_init_once): Likewise.
10574         * config/mips/mips.c (override_options): Likewise.
10575         * config/i386/i386.c (override_options): Likewise, rework.
10576         * config/m68k/m68k.c (override_options): Likewise.
10577
10578         * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
10579         instead of fatal.
10580         * config/mips/mips.c (print_operand): Likewise.
10581         * hash.c (hash_allocate): Don't check for failure returns from
10582         obstack functions that can't fail.
10583         (hash_table_init_n, hash_table_init): Likewise; also now return void.
10584         * hash.h (hash_table_init_n, hash_table_init): Now return void.
10585         * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
10586         (get_object_reference): Likewise.
10587
10588 2001-02-04  Nick Clifton  <nickc@redhat.com>
10589
10590         * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
10591         StrongARM1110, 10TDMI, and 1020T.
10592
10593 2001-02-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10594
10595         * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
10596
10597 2001-02-04  Alexandre Oliva  <aoliva@redhat.com>
10598
10599         * config/sh/sh.md (movdf load split): Pass register number to
10600         FP_OR_XD_REGISTER_P.
10601
10602 2001-02-04  Mark Mitchell  <mark@codesourcery.com>
10603
10604         * cppinit.c (BC): New macro.
10605         (builtin_array): Add __GXX_WEAK__.
10606         * cpplib.h (builtin_type): Add BT_WEAK.
10607         * cppmacro.c (builtin_macro): Handle BT_WEAK.
10608         * defaults.h (SUPPORTS_ONE_ONLY): Define.
10609         * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
10610
10611 2001-02-03  Jakub Jelinek  <jakub@redhat.com>
10612
10613         * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
10614
10615 2001-02-03  Neil Booth  <neil@daikokuya.demon.co.uk>
10616
10617         * cpphash.h: Rename _ALIGN POOL_ALIGN.
10618         * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10619
10620 2001-02-03  Neil Booth  <neil@daikokuya.demon.co.uk>
10621
10622         * cpphash.h: Rename ALIGN _ALIGN.
10623         * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10624
10625 Fri Feb  2 23:15:29 2001  Christopher Faylor <cgf@cygnus.com>
10626
10627         * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
10628         compilation environment.
10629         * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
10630         control over location of cygwin includes and libs.
10631
10632 2001-02-03  Michael Hayes  <m.hayes@elec.canterbury.ac.nz)
10633
10634         * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
10635
10636 2001-02-02  lars brinkhoff  <lars@nocrew.org>
10637
10638         * md.texi (Standard Names): remove reference to spur.md.
10639
10640 2001-02-03  Michael Hayes  <m.hayes@elec.canterbury.ac.nz)
10641
10642         * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
10643         (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
10644         (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
10645         * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
10646         (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
10647
10648 2001-02-03  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10649
10650         * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
10651         c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
10652         number before reload.
10653         (c4x_adjust_cost): Return zero before reload.
10654         * c4x.md (load_immed_address+1, load_immed_address+2): Do not
10655         split before reload.
10656
10657 2001-02-03  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10658
10659         * c4x.c (c4x_hard_regno_rename_ok): New.
10660         * c4x-protos.h (c4x_hard_regno_rename_ok): New.
10661         * c4x.h (HARD_REGNO_RENAME_OK): Define.
10662
10663 Fri Feb  2 20:03:50 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10664
10665         * diagnostic.h: Add missing "extern" in all declarations.
10666
10667 2001-02-02  Alex Samuel  <samuel@codesourcery.com>
10668
10669         * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
10670         as for gcc_gxx_include_dir.
10671
10672 2001-02-02  Neil Booth  <neil@daikokuya.demon.co.uk>
10673
10674         * cpp.texi, invoke.texi: Update -Wtraditional documentation.
10675
10676 2001-02-02  Alexandre Oliva  <aoliva@redhat.com>
10677
10678         * config/sh/sh.c (output_far_jump): Don't use braf on SH1.  Emit
10679         label before alignment to be used as the braf base address.
10680         * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
10681         branches.
10682         (casesi_jump_2): Require at least TARGET_SH2.
10683
10684         * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
10685         truncation to 32-bit doubles on -m3e and -m4-single-only.
10686
10687 2001-02-02  Mark Mitchell  <mark@codesourcery.com>
10688
10689         * gcc.c (init_gcc_specs): New function.  Make -shared-libgcc
10690         the default when building a shared object.
10691         (init_spec): Use it.
10692         * testsuite/lib/g++.exp: Include the directory where libgcc
10693         is located to the LD_LIBRARY_PATH list.
10694         * invoke.texi (-shared-libgcc): Document the cases in which
10695         GCC defaults to using the shared libgcc.
10696
10697 2001-02-02  Alexandre Oliva  <aoliva@redhat.com>
10698
10699         * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
10700         unsigned is wide enough.
10701         (BITS_PER_SI): New.
10702         * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
10703         (si_to_float): Likewise.
10704         (float_to_si, float_to_usi): Use BITS_PER_SI.
10705
10706 2001-02-01  Jeffrey Oldham  <oldham@codesourcery.com>
10707
10708         * dwarf2out.c: Added explanation of abbreviations.
10709         (def_cfa_1): Added comments listing DWARF2 instructions.
10710         (cfa_temp_reg): Removed in favor of cfa_temp.
10711         (cfa_temp_value): Removed in favor of cfa_temp.
10712         (cfa_temp): New global variable.
10713         (dwarf2out_frame_debug_expr): Added extensive introductory
10714         comments explaining the function's transformations.  Revised to
10715         use cfa_temp.  Added some rtx checking.  Generalize IOR case.
10716         (dwarf2out_frame_debug): Revised to use cfa_temp.
10717         (output_aranges): Cast as "unsigned" to avoid warning.
10718         * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
10719         explain which instructions must be marked.
10720
10721 2001-02-01  Richard Henderson  <rth@redhat.com>
10722
10723         * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
10724         new instruction.
10725
10726 2001-02-01  Alexandre Oliva  <aoliva@redhat.com>
10727
10728         * config/sh/crt1.asm (main_k): Modified so that start calls
10729         ___setup_argv_and_call_main.
10730
10731 2001-02-01  Neil Booth  <neil@daikokuya.demon.co.uk>
10732
10733         * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
10734         * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
10735         and AVOID_LPASTE is cleared on meeting an unescaped newline.
10736         * cppmacro.c (builtin_macro): Set builtin flags here.
10737         (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
10738         (replace_args): Clarify intent.
10739         (cpp_get_token): Macro expansion tokens get the saved flags.
10740         Update.
10741         * cppmain.c (scan_buffer): Remove now-redundant print.printed
10742         check.
10743
10744 2001-02-01  Jeffrey Oldham  <oldham@codesourcery.com>
10745
10746         * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
10747         2001-Jan-29.
10748
10749 Thu Feb  1 07:22:41 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10750
10751         * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
10752         returns Pmode pseudo, but we need ptr_mode.
10753         * explow.c (allocate_dynamic_stack_space): Use plus_constant.
10754         Remove bogus conversions; use HOST_WIDE_INT for size.
10755         Don't use TARGET if wrong mode.
10756
10757         * config/i386/i386.c (ix86_compute_frame_size): Allow
10758         stack_alignment_needed to be non-default even if size is zero.
10759
10760 2001-01-31  Alan Modra <alan@linuxcare.com.au>
10761
10762         * pa.c (hppa_init_pic_save): New function.
10763         * pa.h (hppa_init_pic_save): Declare.
10764         * pa.md (call, call_value, sibcall, sibcall_value): Use
10765         the above instead of duplicated code.
10766
10767         * pa.c (hppa_encode_label): Correct size of alloca buffer
10768         so we don't overrun it.  Correct leading `*' case.
10769         * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
10770         need to handle `*@'.
10771         (FUNCTION_NAME_P): Likewise.
10772
10773 2001-01-31  Richard Henderson  <rth@redhat.com>
10774
10775         * config.gcc (alpha-osf5): Use float-i128.h.
10776
10777         * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
10778         * config/float-i32.h: Likewise.
10779         * config/float-i64.h: Likewise.
10780         * config/float-sh.h: Likewise.
10781         * config/float-sparc.h: Likewise.
10782
10783 2001-01-31  DJ Delorie  <dj@redhat.com>
10784
10785         * expmed.c (extract_bit_field): allow non-integral modes if we
10786         want to extract a whole register from itself.
10787
10788 2001-01-31  Jakub Jelinek  <jakub@redhat.com>
10789
10790         * c-typeck.c (set_init_index): If first is equal to last, assume as
10791         if it was not a range at all.
10792
10793 2001-01-31  Alexandre Oliva  <aoliva@redhat.com>
10794
10795         * config/fp-bit.c: Include tm.h.
10796         (float_to_si): Don't assume SImode is 32-bits wide.
10797         (float_to_usi): Likewise.
10798
10799 2001-01-31  Joseph S. Myers  <jsm28@cam.ac.uk>
10800
10801         * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
10802         incomplete type.
10803         (typename): Call pending_xref_error after parsing typed_typespecs.
10804         * c-decl.c (lookup_tag): Give error immediately rather than
10805         leaving it pending if the tag of the wrong type is in the same
10806         binding level.
10807         (xref_tag): Don't pedwarn for forward declarations of enum types
10808         here.
10809         * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
10810         and enum tags.
10811
10812 2001-01-31  Alexandre Oliva  <aoliva@redhat.com>
10813
10814         * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
10815
10816 2001-01-31  Neil Booth  <neil@daikokuya.demon.co.uk>
10817
10818         * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
10819         (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
10820
10821 2001-01-31  Neil Booth  <neil@daikokuya.demon.co.uk>
10822
10823         * cpphash.h (struct cpp_reader): New saved_flags.
10824         * cppmacro.c (cpp_get_token): Use saved_flags to remember
10825         to avoid a paste after a pasted token.
10826
10827 2001-01-31  Alexandre Oliva  <aoliva@redhat.com>
10828
10829         * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
10830         * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
10831         Wtype_MIN instead of LONG_MIN.
10832
10833 2001-01-30  Jeffrey Oldham  <oldham@codesourcery.com>
10834
10835         * fixinc/fixincl.tpl: Add 2001 to copyright.  Change name of
10836         README file.
10837         * fixinc/fixincl.x: Regenerated.
10838         * fixinc/inclhack.def (irix_limits_const): New definition to
10839         convert "const" to "__const" in limits.h.
10840
10841 2001-01-30  Jeffrey Oldham  <oldham@codesourcery.com>
10842
10843         * fixinc/genfixes (AG): Fix "autogen4" thinko.
10844
10845 2001-01-30  Herman A.J. ten Brugge  <Haj.Ten.Brugge@net.HCC.nl>
10846
10847         * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
10848         when register dies in the insn.
10849
10850 2001-01-30  Neil Booth  <neil@daikokuya.demon.co.uk>
10851
10852         * diagnostic.c (fatal): Fix word wrap.
10853
10854 2001-01-30  Alexandre Oliva  <aoliva@redhat.com>
10855
10856         * combine.c (try_combine): Fix SUBREG setting for
10857         HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
10858
10859 2001-01-30  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
10860
10861         * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
10862         comparison codes.
10863
10864 2001-01-30  Neil Booth  <neil@daikokuya.demon.co.uk>
10865
10866         * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
10867         is not NULL.
10868         * toplev.c (decode_W_option): Update warn_larger_than
10869         unconditionally for each processed switch.
10870
10871 2001-01-30  John David Anglin  <dave@hiauly1.hia.nrc.ca>
10872
10873         * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
10874         to NULL_RTX.
10875         (hppa_expand_prologue): Delete code to save pic offset table register
10876         in the function prologue.
10877         * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
10878         * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
10879         table register at the beginning of the function after the prologue.
10880
10881 2001-01-29  lars brinkhoff  <lars@nocrew.org>
10882
10883         * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
10884
10885 2001-01-29  John David Anglin  <dave@hiauly1.hia.nrc.ca>
10886             Jeff Law <law@redhat.com>
10887
10888         * pa.md (return): Revise comment for trivial return.
10889         (return_internal): Non-trivial return pattern for non-PIC code.
10890         (return_internal_pic): Non-trivial return pattern for PIC code.
10891         It uses the PIC register to ensure it is restored after
10892         function calls.
10893         (epilogue): Generate appropriate return for PIC and non-PIC code.
10894
10895 Mon Jan 29 23:53:14 2001  Christopher Faylor <cgf@cygnus.com>
10896
10897         * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
10898
10899 2001-01-29  DJ Delorie  <dj@redhat.com>
10900
10901         * combine.c (if_then_else_cond): Pass the correct mode to
10902         operand_subword() for constants.
10903
10904 Mon Jan 29 20:38:19 2001  Christopher Faylor <cgf@cygnus.com>
10905
10906         * config/i386/cygwin.h: Add w32api to include search.  Search different
10907         directories in a cross-build environment.
10908
10909 2001-11-29  Tim Josling  <tej@melbpc.org.au>
10910
10911         * tree.h (TYPE_STUB_DECL): Add documentation.
10912
10913 2001-11-29  Laurynas Biveinis  <lauras@softhome.net>
10914
10915         * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
10916         (sdbout_field_types): Likwise.  Fix use of host_integerp.
10917
10918 2001-01-29  Thomas Pfaff  <tpfaff@gmx.net>
10919
10920         * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
10921         cygwin.h.
10922
10923 2001-01-29  Jeffrey Oldham  <oldham@codesourcery.com>
10924
10925         * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
10926         to use flag_gnu_linker.
10927
10928 2001-01-29  Neil Booth  <neil@daikokuya.demon.co.uk>
10929
10930         * cpplib.c (T_BAD_DIRECTIVE): Remove.
10931         (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
10932
10933 2001-01-29  Joseph S. Myers  <jsm28@cam.ac.uk>
10934
10935         * tree.c, tree.h (build_parse_node): Remove; was identical to
10936         build_nt.
10937         * c-lang.c (start_cdtor), objc/objc-act.c
10938         (build_module_descriptor): Use build_nt instead of
10939         build_parse_node.
10940
10941 2001-01-29  Jakub Jelinek  <jakub@redhat.com>
10942
10943         * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
10944         (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
10945         not have any upper bits set.
10946
10947 2001-01-29  Phil Edwards  <pme@sources.redhat.com>
10948
10949         * COPYING.LIB:  Update to LGPL 2.1 from the FSF.
10950
10951 2001-01-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10952
10953         * stmt.c (estimate_case_costs): Use integer_minus_one_node.
10954
10955         * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
10956
10957         * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
10958         (integer_minus_one_node): Define.
10959
10960 2001-01-28  Alexandre Oliva  <aoliva@redhat.com>
10961
10962         * Makefile.in (bootstrap2-lean): Fix typo.
10963
10964 2001-01-28  Neil Booth  <neil@daikokuya.demon.co.uk>
10965
10966         * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
10967         : Don't set fe_value.
10968         * cpplib.h (AVOID_LPASTE): New flag.
10969         (struct cpp_hashnode): Remove fe_value.
10970         * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
10971         * cppmacro.c (builtin_macro): Don't set flags here.
10972         (replace_args): Set AVOID_LPASTE flag on first token of an
10973         argument, and the token following it.
10974         (cpp_get_token): Set AVOID_LPASTE flag on first token of a
10975         macro expansion, and on the token following it.  Do it for
10976         builtins too.
10977         * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
10978
10979 2001-01-27  Richard Henderson  <rth@redhat.com>
10980
10981         * config/alpha/t-ieee: Remove multilibbing.
10982         (TARGET_LIBGCC2_CFLAGS): Add -mieee.
10983
10984 2001-01-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10985
10986         * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
10987
10988         * Makefile.in: Remove all dependencies on defaults.h.
10989         * builtins.c: Don't include defaults.h.
10990         * c-common.c: Likewise.
10991         * c-decl.c: Likewise.
10992         * c-pragma.c: Likewise.
10993         * c-typeck.c: Likewise.
10994         * combine.c: Likewise.
10995         * i386.c: Likewise.
10996         * frame-ia64.c: Likewise.
10997         * cppexp.c: Likewise.
10998         * crtstuff.c: Likewise.
10999         * dbxout.c: Likewise.
11000         * dwarf2out.c: Likewise.
11001         * dwarfout.c: Likewise.
11002         * emit-rtl.c: Likewise.
11003         * except.c: Likewise.
11004         * expr.c: Likewise.
11005         * final.c: Likewise.
11006         * frame-dwarf2.c: Likewise.
11007         * libgcc2.c: Likewise.
11008         * optabs.c: Likewise.
11009         * profile.c: Likewise.
11010         * sdbout.c: Likewise.
11011         * toplev.c: Likewise.
11012         * tradcif.y: Likewise.
11013         * tree.c: Likewise.
11014         * varasm.c: Likewise.
11015
11016 2001-01-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11017
11018         * builtins.c (expand_builtin_fputs): Use size_one_node when
11019         transforming into fwrite.
11020
11021 2001-01-27  Joseph S. Myers  <jsm28@cam.ac.uk>
11022
11023         * extend.texi (Attribute Syntax): New section.
11024
11025 2001-01-27  Michael Sokolov  <msokolov@ivan.Harhan.ORG>
11026
11027         * fixproto: Correctly install synthesised unistd.h and stdlib.h when
11028         they didn't need fixing.
11029
11030 2001-01-27  Janis Johnson <janis@us.ibm.com>
11031
11032         * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
11033         if appropriate.
11034         * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
11035         to remove macro definitions that are duplicated from elfos.h.
11036
11037 2001-01-27  Richard Henderson  <rth@redhat.com>
11038
11039         * config/i386/sco5gas.h: Move ...
11040         * config/usegas.h: ... here.
11041         * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
11042
11043 2001-01-27  Jakub Jelinek  <jakub@redhat.com>
11044
11045         * c-typeck.c (struct constructor_stack): Add range_stack member.
11046         (really_start_incremental_init): Clear it.
11047         (push_init_level): Save constructor_range_stack and clear it if
11048         pushing explicit braces.
11049         (pop_init_level): abort if constructor_range_stack is non-zero at
11050         explicit closing brace.  Restore saved constructor_range_stack if
11051         not implicit.
11052
11053 2001-01-27  Alexandre Oliva  <aoliva@redhat.com>
11054
11055         * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
11056         into register was forced into memory.
11057
11058 2001-01-27  Alexandre Oliva  <aoliva@redhat.com>
11059
11060         * Makefile.in: Remove uses of + before $(MAKE).
11061
11062 2001-01-26  Richard Henderson  <rth@redhat.com>
11063
11064         * stmt.c (cost_table): Remove.
11065         (COST_TABLE, cost_table_initialized): New.
11066         (estimate_case_costs): Use the later instead of the former.
11067         (balance_case_nodes): Likewise.
11068
11069 2001-01-26  Richard Henderson  <rth@redhat.com>
11070
11071         * alias.c (objects_must_conflict_p): Read-only slots may not
11072         conflict despite having the same type.
11073
11074 2001-01-27  Michael Hayes  <mhayes@redhat.com>
11075
11076         * loop.c (loop_giv_reduce_benefit): Copy mode size into
11077         int variable.
11078         (check_ext_dependant_givs): Initialise u_start_val and
11079         u_end_val.
11080         (load_mems): Make last_max_reg unsigned.
11081         (try_swap_copy_prop): Use INSN_P and initialise set.
11082
11083 Fri Jan 26 23:22:58 2001  Denis Chertykov  <denisc@overta.ru>
11084
11085         * README.AVR : Removed.
11086
11087 Fri Jan 26 11:37:26 2001  Jeffrey A Law  (law@cygnus.com)
11088
11089         * pa-64.h (text_section): Remove declaration.
11090
11091         * pa.md (return_internal): Remove mode on PIC register use.
11092
11093 2001-01-25  lars brinkhoff  <lars@nocrew.org>
11094
11095         * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
11096         ASM_CLOSE_PAREN): fix typos.
11097
11098 2001-01-25  Mark Mitchell  <mark@codesourcery.com>
11099
11100         * acconfig.h: Define `const' to the empty string if neither
11101         __STDC__ nor __cplusplus is defined.
11102         * config.in: Regenerated.
11103
11104 2001-01-25  David Edelsohn  <edelsohn@gnu.org>
11105
11106         * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
11107         * collect2.c (main): Delete importf.  Add ".obj" file extension.
11108         (GCC_CHECK_HDR): Handle AIX V5 new magic number.
11109         (aix_std_libs): Add additional AIX libraries to skip.
11110         * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
11111         * config/rs6000/aix51.h: New file.
11112
11113 2001-01-25  Michael Hayes  <mhayes@redhat.com>
11114
11115         * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
11116         (loop_insn_emit_before): No longer static.
11117         (move_movables): Replace emit_insn_after with loop_insn_emit_after.
11118         (loop_givs_rescan, load_mems): Likewise.
11119         (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
11120         (maybe_eliminate_biv_1):
11121         (move_movables): Replace emit_call_insn_before with
11122         loop_call_insn_hoist.
11123         * loop.h (loop_insn_emit_before): Add.
11124         * unroll.c (copy_loop_body): Replace emit_insn_before with
11125         loop_insn_emit_before.
11126
11127 2001-01-25  Neil Booth  <neil@daikokuya.demon.co.uk>
11128
11129         * diagnostic.c (fatal): Request preprocessed source.
11130
11131 Thu Jan 25 02:01:16 2001  J"orn Rennecke <amylaar@redhat.com>
11132
11133         * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
11134         olddecl has argument types and newdecl has none, use the argument
11135         types from olddecl.
11136
11137 2001-01-24  Ulrich Drepper  <drepper@redhat.com>
11138
11139         * dwarf2out.c (prefix_of): New function.  Determine longest common
11140         prefix of the two arguments.  The units are whole path components.
11141         (output_file_names): When adding a new directory find the one entry
11142         with the longest common prefix already in the list.  Artificially
11143         generate entry if there is none for this prefix.
11144         Fix test to check whether the zeroth directory entry is used.
11145
11146 Wed Jan 24 23:51:55 2001  J"orn Rennecke <amylaar@redhat.com>
11147
11148         * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
11149         Changed all callers.  Take it into account when deciding if a
11150         previously loaded value matches.
11151
11152 2001-01-24  Richard Henderson  <rth@redhat.com>
11153
11154         * reload.c (find_reloads_subreg_address): Fail the substitution
11155         if the resulting address is insufficiently aligned.
11156
11157 2001-01-24  DJ Delorie  <dj@redhat.com>
11158
11159         * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
11160         check the original operand's mode also.
11161         * simplify-rtx.c (simplify_ternary_operation): Ditto.
11162
11163 2001-01-24  Joseph S. Myers  <jsm28@cam.ac.uk>
11164
11165         * c-parse.in (cast_expr): Move compound literals from here ...
11166         (primary): ... to here.  Use standard terminology "compound
11167         literal" instead of "constructor expression".
11168
11169 2001-01-24  Joseph S. Myers  <jsm28@cam.ac.uk>
11170
11171         * gcc.1, cpp.1: Regenerate.
11172
11173 2001-01-24  Alexandre Oliva  <aoliva@redhat.com>
11174
11175         * calls.c (emit_library_call_value_1): Memory slot for
11176         pass-by-reference argument should have the mode of the argument,
11177         not of the pointer to it.
11178
11179 2001-01-24  Tom Tromey  <tromey@redhat.com>
11180
11181         * gcc.texi (G++ and GCC): Mention gcj manual.
11182         (Standards): Link to section of manual mentioning gcj/Java
11183         compatibility.
11184
11185 2001-01-24  Jakub Jelinek  <jakub@redhat.com>
11186
11187         * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
11188         * cppinit.c (cpp_start_read): Remove deps_add_dep call.
11189         * tradcpp.c (main): Add -imacros or -include'd dependencies
11190         for -M*.
11191         * cpp.texi (-M, -MM): Document -M -include behaviour.
11192
11193 2001-01-24  Roger Collins <roger@ProProject.com>
11194
11195         * config/i386/xm-i386.h: Make __i386__ a boolean macro.
11196
11197 2001-01-24  Will Cohen  <wcohen@redhat.com>
11198
11199         * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
11200         whether registers are 32 bits or 64 bits in size.
11201
11202 2001-01-24  Ben Elliston  <bje@redhat.com>
11203
11204         * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
11205
11206 2001-01-24  Richard Henderson  <rth@redhat.com>
11207
11208         * config/alpha/alpha.md (builtin_longjmp_internal): New.
11209         (builtin_longjmp): Use it instead of emit_indirect_jump.
11210
11211 2001-01-23  John David Anglin  <dave@hiauly1.hia.nrc.ca>
11212
11213         * bb-reorder.c (make_reorder_chain_1): Handle case where
11214         jump edge goes to the same block as the fallthru edge.
11215
11216 2001-01-23  Jim Wilson  <wilson@redhat.com>
11217
11218         * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
11219         * frame.h (__ia64_personality_v1): Add prototype.
11220         * libgcc2.c (ia64_throw_helper): Change personality declaration to
11221         prototype form.  Add void * cast to first argument to personality
11222         call.
11223         * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
11224         (asctoe113): Likewise.
11225         * config/ia64/frame-ia64.c: Include eh-common.h.
11226         * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
11227         prototypes.
11228         * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
11229         to dump parameter.
11230         (itanium_split_issue): Add prototype.
11231         (gen_nop_type): Ifdef out.
11232         (find_best_packet): Initialize best_packet.
11233         (ia64_encode_section_info): New local string.  Use for ggc_alloc_string
11234         result.
11235         * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
11236         * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
11237         (flushrs): Add explicit stop bit at end.
11238         * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
11239         trailing \ to >.
11240
11241 2001-01-23  Chris Demetriou  <cgd@broadcom.com>
11242
11243         * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
11244         of EH symbols.
11245         * libgcc2.c (__terminate_func): Make variable static.
11246         (__terminate_set_func): New function to set __terminate_func.
11247         * libgcc2.h (__terminate_func_ptr): New typedef.
11248         (__terminate_set_func): New function.
11249
11250 2001-01-23  Richard Henderson  <rth@redhat.com>
11251
11252         * flow.c (init_propagate_block_info): Don't consider unchanging
11253         memories for dead frame store elimination.
11254
11255 2001-01-23  Richard Henderson  <rth@redhat.com>
11256
11257         * varasm.c (UNIQUE_SECTION): Move default implementation ...
11258         * defaults.h: ... here.
11259
11260 2001-01-24  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
11261
11262         * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
11263
11264 2001-01-23  Neil Booth  <neil@daikokuya.demon.co.uk>
11265
11266         * c-lex.c (lex_charconst): Fix typo: s/p/str.
11267
11268 2001-01-23  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
11269
11270         * rs6000.h (rs6000_return_addr): Move prototype from here...
11271         * rs6000-protos.h (rs6000_return_addr): ...to here.
11272         (rs6000_init_expanders): Delete prototype.
11273
11274 2001-01-23  Nick Clifton  <nickc@redhat.com>
11275
11276         * invoke.texi: Replace , with \, inside @gccoptlist macros.
11277         (Spec Files): Document %B and %j and %. and %v3 and %M and
11278         %{S*&T} spec switches.
11279
11280 2001-01-24  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11281
11282         * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
11283
11284 2001-01-23  Chris Demetriou  <cgd@sibyte.com>
11285             Neil Booth  <neil@daikokuya.demon.co.uk>
11286
11287         * cpperror.c: Merge handlers of PEDWARN and WARNING.
11288         Have -Werror make pedantic warnings errors, like the
11289         rest of GCC.
11290
11291 2001-01-23  Phil Edwards  <pme@sources.redhat.com>
11292
11293         * c-tree.texi (IDENTIFIER_LENGTH):  Fix typo.
11294
11295 2001-01-23  Jakub Jelinek  <jakub@redhat.com>
11296
11297         * integrate.h (struct inline_remap): Add compare_src, compare_mode.
11298         * integrate.c (expand_inline_function): Initialize them.
11299         (subst_constants): If changing COMPARE so that both its arguments
11300         will be VOIDmode and the comparison mode will be lost, note
11301         compare_mode.  Use the recorded compare_mode to optimize
11302         IF_THEN_ELSE.
11303
11304 2001-01-23  Jason Merrill  <jason@redhat.com>
11305
11306         * dwarf2out.c (new_die): Use xcalloc.
11307         (output_die): Abort rather than emit a local reference to offset 0.
11308
11309 2001-01-17  Andrew Haley  <aph@redhat.com>
11310
11311         * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
11312         of a saved register; return NULL instead.
11313         (copy_reg): Take a pointer to a source register rather than a
11314         frame_state.
11315         (next_stack_level): Remember the address in the stack frame of all
11316         saved registers.
11317         Use the saved register pointer array as the source of the CFA.
11318         (throw_helper): Rewrite.  Unwind once rather than twice and keep
11319         track of saved registers as we go.
11320
11321 2001-01-23  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11322
11323         * c4x-protos.h (c4x_legitimize_reload_address): Remove.
11324         * c4x.c (c4x_legitimize_reload_address): Remove.
11325         * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
11326         reload address for ldp(k) insn.
11327
11328 Mon Jan 22 20:53:47 2001  Jeffrey A Law  (law@cygnus.com)
11329
11330         * pa.md (return_internal): Add a USE of the PIC register to ensure
11331         it is restored after each call.
11332         (return expander): Corresponding changes.
11333
11334 2001-01-22  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
11335
11336         * rs6000.h (INIT_EXPANDERS): Delete.
11337         (RETURN_ADDR_RTX): Call rs6000_return_addr().
11338         * rs6000.c (rs6000_override_options): Call *_machine_status from
11339         here...
11340         (rs6000_init_expanders): ...instead of here. Delete.
11341         (rs6000_mark_machine_status): New function.
11342         (rs6000_init_machine_status): Use xcalloc.
11343         (rs6000_return_addr): Generate RTX for the return address.
11344         (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
11345         (rs6000_stack_info): Use it.
11346
11347 2001-01-22  Thomas Pfaff  <tpfaff@gmx.net>
11348
11349         * gthr-win32.h: Include errno.h to get a declaration for
11350         EINVAL and _mingw.h if the target is mingw32.
11351
11352 2001-01-22  Andres Felipe Vargas <avargas@teletulua.com.co>
11353
11354         * cpp.texi: Correct typos.
11355
11356 Mon Jan 22 13:59:09 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11357
11358         * explow.c (probe_stack_range): Ensure value passed to
11359         stack_check_libfunc is ptr_mode, not Pmode.
11360
11361 Mon Jan 22 16:53:06 2001  J"orn Rennecke <amylaar@redhat.com>
11362
11363         * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
11364         case, don't use operand_subword to calculate a SUBREG that is
11365         wider than a word.
11366
11367         * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
11368
11369 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11370
11371         * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
11372         (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
11373         valid.  If not replace it by equivalent insns.
11374
11375 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11376
11377         * c4x.c (c4x_check_legit_addr): Only check CONST.  Not if CONST
11378         contains SYMBOL_REF, LABEL_REF and CONST_INT.
11379         (c4x_U_constraint, symbolic_address_operand): Likewise.
11380         (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
11381         memory.
11382         (c4x_r11_set_p, c4x_check_laj_p): New functions.
11383         * c4x-protos.h (c4x_check_laj_p): Add prototype.
11384         * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
11385         anulling slot because of silicon bug.
11386         (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
11387
11388 2001-01-22  Alan Modra <alan@linuxcare.com.au>
11389
11390         * cppexp.c (parse_charconst):  Change `mask' type to agree
11391         with parse_escape.
11392
11393 2001-01-21  Richard Henderson  <rth@redhat.com>
11394
11395         * config/i386/i386.c (ix86_asm_file_end): Disable putting
11396         pic_label_name in a linkonce section.
11397
11398 2001-01-17  Philipp Thomas  <pthomas@suse.de>
11399
11400         * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
11401         found in libintl.
11402         * configure: Regenerate.
11403
11404 Sun Jan 21 02:38:56 2001  J"orn Rennecke <amylaar@redhat.com>
11405
11406         * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
11407         uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
11408
11409 Sun Jan 21 09:44:17 2001  Denis Chertykov  <denisc@overta.ru>
11410
11411         * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
11412         If REVERSE nonzero then condition code in X must be reversed.
11413         (encode_section_info): Optimise if/else.
11414         (avr_function_value): Fix formatting.
11415
11416         * config/avr/avr.md (branch): Call to ret_cond_branch changed.
11417         (difficult_branch): Likewise.
11418         (rvbranch): Likewise.
11419         (difficult_rvbranch): Likewise.
11420
11421         * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
11422
11423         * config/avr/libgcc.S: Fix comment.
11424
11425 2001-01-20  Michael Sokolov  <msokolov@ivan.Harhan.ORG>
11426
11427         * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
11428
11429 2001-01-20  Michael Sokolov  <msokolov@ivan.Harhan.ORG>
11430
11431         * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
11432
11433 2001-01-20  Michael Sokolov  <msokolov@ivan.Harhan.ORG>
11434
11435         * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
11436         * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
11437         * configure, config.in: Regenerate.
11438         * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
11439         (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
11440         (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
11441         (doprint.o): New rule.
11442
11443 2001-01-20  Joseph S. Myers  <jsm28@cam.ac.uk>
11444
11445         * c-typeck.c (digest_init): Handle boolean types as scalars.
11446
11447 Sat Jan 20 12:46:57 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11448
11449         * stmt.c (expand_return): Don't return anything if size is zero.
11450         Delete redundant assignment to BYTES.
11451         * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
11452
11453 2001-01-20  Marek Michalkiewicz  <marekm@linux.org.pl>
11454
11455         * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
11456         the same as the default library function names.
11457         * config/avr/avr.md: Document special characters after '%'.
11458         (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
11459         knowing which of the call-used registers are really clobbered.
11460         (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
11461         New.  Both quotient and remainder from one libgcc.S call.
11462         * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
11463         clobber as few registers as possible.
11464         * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
11465
11466 2001-01-20  Neil Booth  <neil@daikokuya.demon.co.uk>
11467
11468         * cppmacro.c (funlike_invocation_p): Don't move back up to the
11469         context of the top of the stack.
11470
11471 2001-01-20  Jakub Jelinek  <jakub@redhat.com>
11472
11473         * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
11474         (fixup_var_refs_insns): ...here.
11475
11476 2001-01-20  Zack Weinberg  <zack@wolery.stanford.edu>
11477
11478         * function.c (fixup_var_refs_insns): Break up into
11479         fixup_var_refs_insn [body of loop], fixup_var_refs_insns
11480         [loop over entire insn list], and fixup_var_refs_insns_with_hash
11481         [loop over hash table entries].
11482         (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
11483         fixup_var_refs_insns_with_hash, to match above changes.
11484
11485 2001-01-19  John David Anglin  <dave@hiauly1.hia.nrc.ca>
11486
11487         * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
11488         (libgcc.a): Likewise.
11489         (stmp-multilib): Likewise.
11490         (STAGE2_FLAGS_TO_PASS): Likewise.
11491
11492 2001-01-19  Alexandre Oliva  <aoliva@redhat.com>
11493
11494         * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
11495         temporary if no_new_pseudos.
11496
11497 2001-01-19  Neil Booth  <neil@daikokuya.demon.co.uk>
11498
11499         * cppinternals.texi: Update.
11500
11501 2001-01-19  Richard Earnshaw  <rearnsha@arm.com>
11502
11503         * arm.c (arm_init_builtins): Re-enable builtins.
11504
11505 Fri Jan 19 13:02:56 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11506
11507         * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
11508         * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
11509         element to be null, and always expect an EXPR_LIST.
11510         * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
11511         * sched-deps.c (sched_analyze_1): Likewise.
11512         * sched-rgn.c (check_live_1, update_live_1): Likewise.
11513
11514         * regclass.c (max_set_parallel): New variable.
11515         (reg_scan): Take it into account in computation of max_parallel.
11516         (reg_scan_mark_refs, case SET): Compute it.
11517
11518         * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
11519         args are REG.
11520         * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
11521         * function.c (assign_parms): Use INTVAL for a CONST_INT.
11522
11523 2001-01-19  Jason Merrill  <jason@redhat.com>
11524
11525         * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
11526         for the abstract instance of an inline function.
11527
11528 Fri Jan 19 14:31:35 2001  Alexandre Oliva  <aoliva@redhat.com>
11529                           J"orn Rennecke <amylaar@redhat.com>
11530
11531         * reload1.c (move2add_note_store): Treat all registers directly or
11532         indirectly derived from a base register as members of the same set
11533         of values.
11534         (reload_cse_move2add): Adjust accordingly.  Take mode and offset
11535         of base register into account.
11536
11537 Fri Jan 19 09:18:42 2001  J"orn Rennecke <amylaar@redhat.com>
11538
11539         * alias.c (find_base_value): Recognize TRUNCATE.
11540         (record_set): In PLUS case, invalidate if other summand is also a
11541         base value.
11542
11543 Thu Jan 18 06:43:04 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11544
11545         * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
11546         entry to be EXPR_LIST.
11547         * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
11548         be an EXPR_LIST (but not null, which other code doesn't allow).
11549         (note_stores): Properly handle PARALLEL in SET.
11550         Recursively call for top-level PARALLEL.
11551         * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
11552         * sched-rgn.c (check_live_1, update_live_1): Likewise.
11553
11554         * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
11555
11556 2001-01-18  Neil Booth  <neil@daikokuya.demon.co.uk>
11557
11558         * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
11559         not pfile->skipping (== 0).
11560
11561 2001-01-17  Nick Clifton  <nickc@redhat.com>
11562
11563         * config/rs6000/rs6000.c: Add prototypes for {init|free}_
11564         machine_status.
11565
11566 2001-01-17  Jim Wilson  <wilson@redhat.com>
11567
11568         * invoke.texi (IA-64 options): Improve.
11569
11570 2001-01-17  Tom Tromey  <tromey@redhat.com>
11571
11572         * invoke.texi (Optimize Options): Use `{}' to around @samp
11573         argument.
11574
11575 2001-01-17  Aldy Hernandez  <aldyh@redhat.com>
11576
11577         * invoke.texi (-fno-guess-branch-probability): New option.
11578
11579 Wed Jan 17 13:26:34 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11580
11581         * combine.c (try_combine): Don't set i3_subst_into_i2 for
11582         case of making new double-word constant.
11583         Revert last change: instead just test i3_subst_into_i2.
11584
11585 2001-01-17  Jakub Jelinek  <jakub@redhat.com>
11586
11587         * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
11588         Use q constraints instead of r.
11589
11590 Tue Jan 16 22:23:04 2001  Alan Modra (alan@linuxcare.com.au)
11591
11592         * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
11593         (machine_function): Define.
11594         (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
11595         * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
11596         pa_free_machine_status): New functions.
11597         (override_options): Set {init,mark,free}_machine_status to above.
11598         (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11599         PIC_OFFSET_TABLE_REGNUM_SAVED.
11600         * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11601         PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
11602         * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
11603         references to PIC_OFFSET_TABLE_REGNUM_SAVED.
11604         * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11605
11606 2001-01-15  DJ Delorie  <dj@redhat.com>
11607
11608         * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
11609         (cpp.1): Ditto.
11610         (gcc.1): Ditto.
11611
11612 Tue Jan 16 17:20:43 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11613
11614         * flow.c (propagate_one_insn): Make trying to delete a prologue
11615         or epilogue insn an ICE, not a warning.  Allow doing this if
11616         the current function returns with stack pointer depressed.
11617
11618         * combine.c (try_combine): If i3_subst_into_i2, properly check for
11619         I3 having more than one SET.
11620
11621 2001-01-16  Jim Wilson  <wilson@redhat.com>
11622
11623         * invoke.texi: Document IA-64 options.
11624
11625         * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
11626         (fixup_errata): Delete TARGET_A_STEP use.
11627         * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
11628         (TARGET_SWITCHES): Delete -ma-step option.
11629         * config/ia64/ia64.md (all FP patterns): Delete %B0.
11630         (movqicc_astep, movqi_internal_astep, movhicc_astep,
11631         movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
11632         movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
11633         movdfcc_astep, movdf_internal_astep, movtfcc_astep,
11634         movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
11635         Delete.
11636         (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
11637         movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
11638         cmovsi_internal): Delete ! TARGET_A_STEP check.
11639
11640 2001-01-16  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
11641
11642         * gcc.texi (Bug Lists): Do not mention newsgroups nor the
11643         possibility to report bugs via postal mail. Change a URL and
11644         merge in a nearly duplicate statement...
11645         (Bug Reporting): ...from here.
11646         (Service): Refer to the Bug Reporting section instead of
11647         duplicating an URL.
11648         (Contributing): Remove trivial explanations concerning snapshots.
11649
11650 2001-01-16  Alan Modra <alan@linuxcare.com.au>
11651
11652         * cppmain.c (general_init): Don't use ANSI prototype.
11653
11654 2001-01-16  Tom Tromey  <tromey@redhat.com>
11655
11656         * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
11657
11658 2001-01-16  Richard Henderson  <rth@redhat.com>
11659
11660         * config/i386/i386.h: Fix comment typo.
11661         * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
11662         (ashr+compare patterns): Match CCGOCmode not CCNOmode.
11663
11664 2001-01-16  Phil Edwards  <pme@sources.redhat.com>
11665
11666         * gcc.c:  Revert previous -fsyntax-only-related change; move
11667         to cp/g++spec.c.
11668
11669 2001-01-16  Jakub Jelinek  <jakub@redhat.com>
11670
11671         * config/i386/i386.c (fcmov_comparison_operator): Only initialize
11672         inmode after checking GET_CODE (op).
11673
11674 2001-01-16  Richard Henderson  <rth@redhat.com>
11675
11676         * flow.c (struct propagate_block_info): Add mem_set_list_len.
11677         (MAX_MEM_SET_LIST_LEN): New.
11678         (propagate_one_insn): Update mem_set_list_len.
11679         (invalidate_mems_from_autoinc): Likewise.
11680         (invalidate_mems_from_set): Likewise.
11681         (mark_used_regs): Likewise.
11682         (init_propagate_block_info): Likewise.  Stop collecting memories
11683         when we reach MAX_MEM_SET_LIST_LEN.
11684         (mark_set_1): Likewise.
11685
11686 2001-01-16  Richard Henderson  <rth@redhat.com>
11687
11688         * unroll.c (precondition_loop_p): Fail if no iteration
11689         variable found.
11690
11691 2001-01-16  Phil Edwards  <pme@sources.redhat.com>
11692
11693         * gcc.c:  When -fsyntax-only is given, do not complain about
11694         unused libraries.
11695
11696 2001-01-15  Richard Henderson  <rth@redhat.com>
11697
11698         * config/i386/i386.c (asm_output_function_prefix): Remove.
11699         (ix86_asm_file_end): New.
11700         (load_pic_register): Generate pic_label_name into a
11701         staticly allocated buffer.
11702         * config/i386/i386-protos.h: Update.
11703         * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
11704         (ASM_FILE_END): New.
11705         * config/i386/i386afe.h: New file.
11706         * config.gcc (i?86-*-elf) [tm_file]: Use it.
11707         (i?86-*-{freebsd,linux*,moss*}): Likewise.
11708         * config/elfos.h (ASM_FILE_END): Undef before redefinition.
11709         * config/i386/cygwin.h (ASM_FILE_END): Likewise.
11710         * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
11711         * config/i386/sco5.h (ASM_FILE_END): Likewise.
11712         * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
11713
11714 2001-01-15  Joseph S. Myers  <jsm28@cam.ac.uk>
11715
11716         * Makefile.in (install-man): Remove explicit dependency on
11717         $(srcdir)/gcc.1.
11718
11719         * configure.in, configure: Revert previous patch requiring perl
11720         5.6.0.
11721
11722 2001-01-12  Aldy Hernandez  <aldyh@redhat.com>
11723
11724         * toplev.c (flag_guess_branch_prob): New.
11725         (f_options): Add guess-branch-probability option.
11726         (rest_of_decl_compilation): Only estimate branch probability if
11727         flag set.
11728         (main): set flag_guess_branch_prob.
11729
11730         * flags.h (flag_guess_branch_prob): New.
11731
11732 2001-01-15  DJ Delorie  <dj@redhat.com>
11733
11734         * gcc.texi (Makefile): Add documentation for Makefile targets.
11735
11736 2001-01-15  Philip Blundell  <philb@gnu.org>
11737
11738         * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
11739         (is_pic): Delete.
11740         * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
11741         (is_pic): Delete declaration.
11742         * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
11743         (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
11744         * config/arm/arm.md (builtin_setjmp_receiver): New.
11745
11746 2001-01-15  Richard Earnshaw  <rearnsha@arm.com>
11747
11748         * arm.c (use_return_insn): Don't try to determine the function type
11749         until after reload has completed.
11750         (arm_output_epilogue): Don't adjust the sp value recovered from the
11751         stack.
11752         (emit_multi_reg_push): Don't record dwarf information for the pc.
11753         * arm.md (eh_epilogue): The function type may have changed, so it
11754         needs to be recalculated.
11755         * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete.  Can now use dwarf2
11756         unwind tables on arm/netbsd.
11757
11758 2001-01-15  Richard Earnshaw  <rearnsha@arm.com>
11759
11760         * arm.md (cbranchsi4): Correct calculation of branch ranges.
11761         (negated_cbranchsi4): Likewise.
11762
11763 2001-01-15  Richard Earnshaw  <rearnsha@arm.com>
11764
11765         * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
11766         (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11767         (ASM_SPEC): Call subtarget_extra_asm_spec.  Don't
11768         pass -mapcs-* options to assembler.
11769         * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
11770         (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11771         (ASM_SPEC): Call subtarget_extra_asm_spec.
11772
11773 2001-01-15  Andreas Jaeger  <aj@suse.de>
11774
11775         * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
11776         warnings.
11777         (ix86_expand_builtin): Likewise.
11778
11779         * gencodes.c (output_predicate_decls): Make i size_t to avoid
11780         warning about comparison between signed and unsigned.
11781
11782 2001-01-14  Geoffrey Keating  <geoffk@redhat.com>
11783
11784         * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
11785
11786 2001-01-14  Ralf Baechle <ralf@gnu.org>
11787
11788         * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
11789         SUBTARGET_CPP_SPEC apropriatly.
11790
11791 2001-01-12  Mark Mitchell  <mark@codesourcery.com>
11792
11793         * varasm.c (make_decl_rtl): Fix typo in last change.
11794
11795 2001-01-14  Jeffrey Oldham  <oldham@codesourcery.com>
11796
11797         * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
11798         linker supports the init_priority C++ attribute.
11799         * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
11800         * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
11801         linker does not support init_priority C++ attribute.
11802
11803 Sun Jan 14 22:31:30 2001  J"orn Rennecke <amylaar@redhat.com>
11804
11805         * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
11806
11807 2001-01-14  Neil Booth  <neil@daikokuya.demon.co.uk>
11808
11809         * c-parse.in (finish_parse): Add comment about cpp_destroy.
11810         * cp/lex.c (finish_parse): Similarly.
11811         * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
11812         Return the number of errors encountered.
11813         * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
11814         * cppmain.c (main): Don't call cpp_destroy.
11815
11816 2001-01-14  Joseph S. Myers  <jsm28@cam.ac.uk>
11817
11818         * configure.in: Require at least perl 5.6.0 to regenerate
11819         manpages.
11820         * configure: Regenerate.
11821
11822 2001-01-14  Richard Henderson  <rth@redhat.com>
11823
11824         * genrecog.c (DT_veclen_ge): New.
11825         (add_to_sequence) [MATCH_PARALLEL]: Generate one.
11826         (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
11827         (nodes_identical_1): Handle DT_veclen_ge.
11828         (write_cond, debug_decision_2): Likewise.
11829
11830 2001-01-14  Richard Earnshaw  <rearnsha@arm.com>
11831
11832         * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete.  Replace
11833         with ...
11834         (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
11835
11836 2001-01-14  Neil Booth  <neil@daikokuya.demon.co.uk>
11837
11838         * cppmain.c (do_preprocessing): New function; most of the old
11839         main.
11840         (main): Call it to do most of the work.
11841         (cb): Move from global scope to set_callbacks ().
11842         (setup_callbacks): Get the callback pointer.
11843         (general_init, printer_init): Clean up code and comments.
11844
11845 2001-01-14  Richard Earnshaw  <rearnsha@arm.com>
11846
11847         * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
11848         compiling PIC.
11849
11850 2001-01-14  Kazu Hirata  <kazu@hxi.com>
11851
11852         * config/h8300/h8300.c (get_shift_alg): Update comments.
11853
11854 Sun Jan 14 06:20:49 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11855
11856         * ggc-page.c (alloc_annon): Call perror and correctly call exit.
11857         (alloc_page, ggc_alloc): Add casts to remove warnings.
11858
11859 2001-01-14  Geoffrey Keating  <geoffk@redhat.com>
11860
11861         * combine.c (simplify_comparison): Don't change `code' when
11862         can't reverse comparison.
11863
11864 2001-01-14  Richard Henderson  <rth@redhat.com>
11865
11866         * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
11867         update all call sites.  Return true for all non-label constants.
11868
11869 Sun Jan 14 10:09:48 MET 2001  Jan hubicka  <jh@suse.cz>
11870
11871         * i386.c (ix86_expand_compare): Add bypass_test and second_test
11872         parameters.
11873         (ix86_expand_branch): Update.
11874         (ix86_expand_setcc): Update to handle multiple test conditions.
11875         (expand_int_movcc): Likewise.
11876         (expand_fp_movcc): Likewise.
11877         * i386-protos.h (ix86_expand_compare): New.
11878         * i386.md (andqi_?_slp, orqi_?_slp): New.
11879         (conditional trap expander): Update call to ix86_expand_compare.
11880
11881 2001-01-14  Richard Henderson  <rth@redhat.com>
11882
11883         * config/vax/vax.md: Use nonimmediate_operand instead of
11884         general_operand in destinations.
11885
11886         * config/vax/vax.md (indirect_jump): Use register_operand.
11887
11888         * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
11889         * config/vax/vax.md (call_pop): Turn into an expander.
11890         (call_value_pop): Likewise.
11891         (call, call_value): New.
11892
11893 2001-01-14  Andreas Jaeger  <aj@suse.de>
11894
11895         * config/i386/i386.c (ix86_split_fp_branch): Remove unused
11896         variables.
11897         (ix86_fp_compare_mode): Add unused attribute.
11898         (ix86_expand_fp_movcc): Remove unused variable.
11899         (ix86_expand_builtin): Make fcode unsigned.
11900
11901         * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
11902         (expand_expr): Add cast to avoid signed warning.
11903         (store_field): Likewise.
11904         (store_constructor_field): Likewise.
11905         (store_constructor): Likewise.
11906         (store_expr): Likewise.
11907         (clear_storage): Likewise.
11908         (emit_group_store): Likewise.
11909         (emit_group_load): Likewise.
11910
11911 2001-01-13  Joseph S. Myers  <jsm28@cam.ac.uk>
11912
11913         * c-common.c: Move format checking code to ...
11914         * c-format.c: ... here.  New file.  Reorder some functions and
11915         declarations.
11916         (decl_handle_format_attribute, decl_handle_format_arg_attribute):
11917         New functions.
11918         * c-common.h (decl_handle_format_attribute,
11919         decl_handle_format_arg_attribute): Declare.
11920         * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
11921         (c-common.o): Adjust dependencies.
11922         (c-format.o): New list of dependencies.
11923
11924 2001-01-13  Jakub Jelinek  <jakub@redhat.com>
11925
11926         * unroll.c (loop_iterations): If we cannot prove iteration variable
11927         is set once in each iteration, punt.
11928
11929 Sun Jan 14 00:23:15 2001  Denis Chertykov  <denisc@overta.ru>
11930
11931         * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
11932         (*strlenhi): Remove clobber (which was buggy) of output address.
11933
11934 2001-01-13  Joseph S. Myers  <jsm28@cam.ac.uk>
11935
11936         * Makefile.in (generated-manpages): Add gcc.1
11937         ($(srcdir)/gcc.1): New target.
11938         (maintainer-clean): Delete $(srcdir)/gcc.1.
11939         * gcc.texi: Add macros @gccoptlist and @gol.
11940         * invoke.texi: Include option summary in manpage.  Mark up option
11941         summary with @gccoptlist and @gol.  Use @r in one place where
11942         appropriate.
11943         * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
11944         * gcc.1: Generate from invoke.texi.
11945
11946 2001-01-13  Richard Henderson  <rth@redhat.com>
11947
11948         * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
11949         (struct page_entry): Add group member.
11950         (struct page_group): New.
11951         (struct globals): Add page_groups member.
11952         (alloc_anon): Only define for using mmap; remove valloc call.
11953         (page_group_index): New.
11954         (set_page_group_in_use): New.
11955         (clear_page_group_in_use): New.
11956         (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
11957         (free_page, release_pages): Likewise.
11958         * configure.in (with-gc): Default to ggc-page always.
11959
11960 2001-01-13  Alexandre Oliva  <aoliva@redhat.com>
11961
11962         * reload1.c (replace_pseudos_in_call_usage): Use
11963         reg_equiv_constant and reg_equiv_address, and don't try
11964         regno_reg_rtx first.
11965
11966 2001-01-13  Richard Henderson  <rth@redhat.com>
11967
11968         * ggc-page.c (alloc_page): Round up allocation size to one page.
11969         Set e->order on extra pages.
11970
11971 2001-01-13  Richard Henderson  <rth@redhat.com>
11972
11973         * genrecog.c (nodes_identical): Expand commentary.
11974         (write_switch): Watch out for identical nodes.
11975
11976 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
11977
11978         * cppfiles.c (_cpp_fake_include): New function.
11979         * cpphash.h (_cpp_fake_include): New.
11980         * cpplib.c (do_line): Call _cpp_fake_include when entering
11981         header files in preprocessed input.
11982         * cppmain.c (cb_pragma_implementation): Remove handling.
11983         (setup_callbacks): Don't register pragmas.
11984
11985 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
11986
11987         * extend.texi: Udate for CPP.
11988
11989 2001-01-13  Andreas Jaeger  <aj@suse.de>
11990
11991         * reload1.c: Add prototype for replace_pseudos_in_call_usage.
11992
11993         * regmove.c: Add prototype for replace_in_call_usage.
11994
11995 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
11996
11997         * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
11998         struct cpp_chunk, struct htab, struct toklist,
11999         struct cpp_context, CPP_STACK_MAX, struct lexer_state,
12000         struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
12001         CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
12002         ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
12003         (struct macro_args): Delete.
12004         * cpphash.h: See above.
12005
12006 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
12007
12008         * cppmain.c (struct printer): Remove no_line_dirs.
12009         (options, cb): New.
12010         (main, setup_callbacks, scan_buffer, printer_init, cb_define)
12011         : Use options rather than CPP_OPTION.
12012         (setup_callbacks): Use cb rather than pfile->cb.
12013         (main): No need to check for a buffer.  Use cpp_errors.
12014         (printer_init): Don't set no_line_dirs.
12015         (maybe_print_line): Use options not no_line_dirs.
12016         (cb_file_change): Don't call print_line if -P.
12017
12018 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
12019
12020         * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
12021         callbacks.
12022         * c-parse.in (finish_parse): Use cpp_errors.
12023         (__yylex): Use return value of cpp_pop_buffer.
12024         * cp/lex.c (finish_parse): Use cpp_errors.
12025         * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
12026
12027 Sat Jan 13 16:57:40 2001  Denis Chertykov  <denisc@overta.ru>
12028
12029         * README.AVR: URLs corrected.
12030
12031 Sat Jan 13 07:30:02 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12032
12033         * c-decl.c (start_function): Don't warn if old prototype is builtin
12034         that's not in C's namespace.
12035         * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
12036         (_bb): Add prototype for ctime.
12037         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
12038
12039 Sat Jan 13 09:53:32 MET 2001  Jan Hubicka  <jh@suse.cz>
12040
12041         * i386.c (ix86_fp_comparison_arithmetics_cost,
12042         ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
12043         ix86_fp_comparison_cost): New functions.
12044         (ix86_expand_fp_compare): Use the costs to choose best bethod; add
12045         two new parameters SECOND_TEST and BYPASS_TEST; allow generating
12046         two-branch sequences; make static.
12047         (ix86_use_fcomi_compare): Do decision according to the costs.
12048         (split_fp_branch): New.
12049         * i386.md (compare-and-branch patterns): Use split_fp_branch.
12050         * i386-protos.h (ix86_expand_fp_compare): Remove
12051         (ix86_split_fp_branch): Declare.
12052
12053         * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
12054         and ix86_comparison_operator.
12055
12056         * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
12057         to make it cheaper.
12058
12059         * i386.c (put_condition_code): Output properly the unordered/ordered
12060         compares in fp case.
12061         (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
12062
12063         * tm.texi (REVERSE_CONDITION): Document.
12064         * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
12065         in -ffast-math mode.
12066         * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
12067
12068 2001-01-13  Alexandre Oliva  <aoliva@redhat.com>
12069
12070         * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
12071
12072         * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
12073         optimized away.
12074
12075         * config/sh/sh.c (mova_p): Fix test for mova_const.
12076
12077 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
12078
12079         * fix-header.c (read_scan_file): Use cpp_get_callbacks and
12080         cpp_get_options rather than dereferencing pfile and using
12081         CPP_OPTION.
12082         * scan-decls.c (scan_decls): Use return value of
12083         cpp_pop_buffer rather than CPP_BUFFER.
12084
12085 2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
12086
12087         * cppinit.c (cpp_handle_option): help_only is now part of the
12088         cpp_options structure.
12089         * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
12090         cpp_set_callbacks): New functions.
12091         * cpplib.h (cpp_callbacks): Break out as a named structure.
12092         (cpp_options): Move help_only here from cpp_reader.
12093         (CPP_FATAL_ERRORS): Update to use cpp_errors.
12094         (cpp_errors, cpp_get_options, cpp_get_callbacks,
12095         cpp_set_callbacks): New prototypes.
12096         * cppmain.c (main): Update for help_only.
12097
12098 2001-01-13  Joseph S. Myers  <jsm28@cam.ac.uk>
12099
12100         * Makefile.in (info, maintainer-clean, install-info, uninstall):
12101         Also build and remove and install and uninstall c-tree.info and
12102         cppinternals.info.
12103         ($(srcdir)/gcc.info): Add dependency on contrib.texi.
12104         ($(srcdir)/cppinternals.info): New target.
12105         * c-tree.texi: Change file name used when makeinfo used without -o
12106         from ir.info to c-tree.info.  Add info directory entry.
12107         * cppinternals.texi: Add info directory entry.
12108         * .cvsignore: Update.
12109
12110 2001-01-12  Jakub Jelinek  <jakub@redhat.com>
12111
12112         * c-typeck.c (store_init_value): Don't require constant initializer
12113         elements with -pedantic -std=c99.
12114         (digest_init): Change error about non-constant initializer elements
12115         into pedwarn.
12116         (constructor_range_end): Remove.
12117         (constructor_incremental, designator_depth,
12118         designator_errorneous): New variables.
12119         (struct constructor_stack): Remove range_end, add incremental.
12120         (struct constructor_range_stack, constructor_range_stack): New.
12121         (struct initializer_stack): Add constructor_range_stack.
12122         (finish_init): Set it.
12123         (start_init): Likewise.  require_constant_elements for non-static
12124         trees only if not flag_isoc99.
12125         (really_start_incremental_init): Remove constructor_range_end, add
12126         constructor_incremental.
12127         (pop_init_level): Likewise.
12128         (push_init_level): Likewise.  If implicit and the subobject had some
12129         value set already, preinitialize the level with it.
12130         Warn about missing braces only if not pushing due to designators.
12131         (set_designator, push_range_stack): New functions.
12132         (set_init_label): Use them.
12133         (set_init_index): Likewise.  Remove constructor_range_end.
12134         Error if designator index is outside of array bounds.
12135         (add_pending_init): Compare values of purpose index trees, not the
12136         trees themselves.  Allow overwriting of already initialized element.
12137         Issue a warning if it had side-effects.
12138         (set_nonincremental_init, set_nonincremental_init_from_string): New
12139         functions.
12140         (pending_init_member): Rename to...
12141         (find_init_member): ...this function.  Call set_nonincremental_init
12142         if necessary.  Compare values of purpose index trees, not the trees
12143         themselves.  Return the actual value, not just non-zero if something
12144         is found.
12145         (output_init_element): Remove checks for duplicates.
12146         If field has zero size, only check the initializer for correctness.
12147         Call set_nonincremental_init if necessary.  Push RECORD/ARRAY into AVL
12148         if constructor_incremental is zero.  Change error about initializers
12149         not computable at load time into pedwarn.
12150         (output_pending_init_elements): Compare bit positions, not
12151         FIELD_DECLs to take into account zero-sized fields.
12152         (process_init_element): Use constructor_range_stack to fill all
12153         ranges in the designator lists from current level up.
12154         * extend.texi: Update documentation for labeled elements.
12155
12156 2001-01-12  Alexandre Oliva  <aoliva@redhat.com>
12157
12158         * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
12159         to function usage for arguments passed by reference.  Optimize
12160         callee-copied arguments.
12161         * regmove.c (replace_in_call_usage): New function.
12162         (fixup_match_1): Call it.
12163         * cse.c (cse_insn): Canonicalize registers in function usage.
12164         * reload1.c (replace_pseudos_in_call_usage): New function.
12165         (reload): Call it.
12166
12167         * Makefile.in: Reverted yesterday's wrong patch.  Installed the
12168         right version.
12169
12170 2001-01-12  Jakub Jelinek  <jakub@redhat.com>
12171
12172         * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
12173         not XEXP (tmp, 0).
12174
12175 2001-01-12  DJ Delorie  <dj@redhat.com>
12176
12177         * Makefile.in (bootstrap): rename stages to be mnemonic.  Add
12178         restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
12179         targets.
12180
12181 2001-01-12  Joseph S. Myers  <jsm28@cam.ac.uk>
12182
12183         * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
12184         tm.texi: Consistently refer to ISO C instead of ANSI C.  Refer to
12185         -std options alongside references to -ansi.  Update some
12186         documentation for C99.
12187         * cpp.1: Regenerate.
12188
12189 2001-01-12  Andreas Jaeger  <aj@suse.de>
12190
12191         * haifa-sched.c (restore_line_notes): Remove argument block B
12192         since it's unused.
12193         * sched-ebb.c (schedule_ebb): Change caller.
12194         * sched-rgn.c (schedule_region): Likewise.
12195         * sched-int.h (restore_line_notes): Adjust prototype.
12196
12197         * loop.h: Remove wrong declaration of doloop_condition_get.
12198
12199 2001-01-12  Phil Edwards  <pme@sources.redhat.com>
12200
12201         * extend.texi:  Move C++-extension-related node from the C section
12202         into the C++ section.
12203
12204 2001-01-12  Joseph S. Myers  <jsm28@cam.ac.uk>
12205
12206         * extend.texi: Refer to an array of pointers to functions instead
12207         of one of functions.
12208
12209 Fri Jan 12 12:08:12 MET 2001  Andreas Jaeger  <aj@suse.de>
12210                               Jan Hubicka  <jh@suse.cz>
12211
12212         * combine.c (reversed_comparison): Fix typo in last patch.
12213         Check X for NULL.
12214         (combine_reversed_comparison_code): Make static to follow
12215         prototype declaration.
12216
12217 2001-01-12  Phil Edwards  <pme@sources.redhat.com>
12218
12219         * install.texi:  Remove misplaced duplicate entry.
12220
12221 2001-01-11  Ulrich Drepper  <drepper@redhat.com>
12222
12223         * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
12224
12225 Thu Jan 11 17:06:30 EST 2001  John Wehle  (john@feith.com)
12226
12227         * final.c: (leaf_function_p): Fix typo.
12228
12229 2001-01-11  Zack Weinberg  <zack@wolery.stanford.edu>
12230
12231         * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
12232         Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
12233         which you have.
12234         (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
12235         * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
12236         mmap_anon, and valloc is available.
12237         * ggc-page.c: Restructure ifdef logic to match new autoconf
12238         spec.  Don't throw away the test page in init_ggc.
12239
12240         * configure, config.in: Regenerate.
12241
12242 2001-01-12  Michael Hayes  <mhayes@redhat.com>
12243
12244         * loop.h (total_biv_increment): Constify iv_class pointer.
12245         (struct induction): Replace `mem_mode' with `mem' rtx.
12246         * unroll.c (total_biv_increment): Constify iv_class pointer.
12247         * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
12248         (find_mem_givs, combine_givs_p): Likewise.
12249         (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
12250
12251 2001-01-10  Thomas Pfaff <tpfaff@gmx.net>
12252
12253         * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
12254         LastError.
12255         (__gthread_getspecific): Ditto.
12256
12257 Fri Jan 12 00:04:00 MET 2001  Jan Hubicka  <jh@suse.cz>
12258
12259         * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
12260         put_condition_code): Convert fp comparison codes to integer
12261         before handling.
12262         (ix86_expand_fp_compare): Postnote the fp comparison code converison
12263         to final.
12264
12265         * i386.c (unsigned_comparison, no_comparison_operator): Kill.
12266         * i386-protos.h (no_comparison_operator): Kill.
12267
12268         * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
12269
12270         * combine.c (REVERSIBLE_CC_MODE): Remove.
12271         (reversible_comparison_p): Remove.
12272         (combine_reversed_comparison_code): New.
12273         (reversed_comparison): New.
12274         (combine_simplify_rtx): Use
12275         combine_reversed_comparison_code/reversed_comparison instead
12276         of reversible_comparison_p.
12277         (simplify_if_then_else): Likewise.
12278         (simplify_set): Likewise.
12279         (simplify_logical): Likewise.
12280         (if_then_else_cond): Likewise.
12281         (known_cond): Likewise.
12282         (simplify_comparison): Likewise.
12283
12284 2001-01-11  Alan Lehotsky  <lehotsky@tiac.net>
12285
12286         * builtins.c (std_expand_builtin_va_start): Handle varargs when
12287         sizeof (int) is larger than sizeof(__word__).
12288
12289 2001-01-11  Neil Booth  <neil@daikokuya.demon.co.uk>
12290
12291         * cppinit.c (do_includes): Fix typo.
12292
12293 2001-01-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
12294
12295         * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
12296         in S_REGS does not occur because not all sources are possible
12297         when a S_REGS is a destination (sometimes needs a clobber).
12298         (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
12299         (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
12300         (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
12301         (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
12302         (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
12303         (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
12304         (lshrdi_const1, lshrsi3_const16): Likewise.
12305         (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
12306         (*movhi_68hc12, *movqi_68hc12): Likewise.
12307         (movstrictqi): Make sure reloading in D_REGS as a destination
12308         does not happen.
12309
12310 2001-01-11  Neil Booth  <neil@daikokuya.demon.co.uk>
12311
12312         * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12313
12314 2001-01-11  Neil Booth  <neil@daikokuya.demon.co.uk>
12315
12316         * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
12317         -D, -U and -A, and don't initialize the builtins.
12318         (do_includes): Error if -include or -imacros with -fpreprocessed.
12319         * cppmain.c (cb_define, cb_undef): Unconditionally process
12320         the callback.
12321         * tradcpp.c (main): Fix typo.
12322
12323 2000-01-11  Mark Elbrecht  <snowball3@bigfoot.com>
12324
12325         * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
12326         (read_name_map): Use IS_ABSOLUTE_PATH.
12327         * tradcpp.c (get_filename): Likewise.
12328
12329 2001-01-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
12330
12331         * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
12332         (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
12333         (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
12334         (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
12335         (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
12336         (cmphi_z_used): Don't use '@' for the output.
12337         (tstqi_z_used): Likewise.
12338         (cmpqi_z_used): Likewise.
12339         (one_cmplsi2): Likewise.
12340
12341 2001-01-11  Alexandre Oliva  <aoliva@redhat.com>
12342
12343         * config/sh/sh.c (barrier_align): Recognize branch around far
12344         branch and redundant insn.
12345
12346 2001-01-11  Neil Booth  <neil@daikokuya.demon.co.uk>
12347
12348         * invoke.texi: Restore documentation of the drivers' switches -MD
12349         and -MMD.
12350
12351 2001-01-11  Alexandre Oliva  <aoliva@redhat.com>
12352
12353         * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
12354
12355         * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
12356         check-objc//%): Support parallel testing of multilibs.
12357         (TESTSUITEDIR): Set to testsuite by default, but override for
12358         parallel testing.
12359         (check-gcc, check-g++, check-g77, check-objc): Enter
12360         $(TESTSUITEDIR).
12361
12362 2001-01-11  Bernd Schmidt  <bernds@redhat.com>
12363
12364         * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
12365         * sched-deps.c (deps_may_trap_p): Likewise.
12366         * basic-block.h: Remove a comment.
12367         * flow.c (PROP_POSTRELOAD): Remove.
12368         (update_life_info): Don't add it to prop_flags.
12369         (mark_set_1): Lose the code that was enabled by it.
12370
12371 2001-01-11  Michael Hayes  <mhayes@redhat.com>
12372
12373         * flow.c (flow_call_edges_add): New.
12374         * basic_block.h (flow_call_edges_add): New.
12375
12376 2001-01-11  J"orn Rennecke <amylaar@redhat.com>
12377
12378         * reload1.c (move2add_note_store): Update reg_set_luid even if
12379         base reg remains the same.
12380
12381 2001-01-10  Nick Clifton  <nickc@redhat.com>
12382
12383         * config/d30v/d30v.c (d30v_init_machine_status): Initialise
12384         machine_function structure to zero.
12385         Add prototypes for machine_status functions.
12386
12387 2001-01-10  Mark Mitchell  <mark@codesourcery.com>
12388
12389         * c-common.h (CTI_VOID_LIST): Remove.
12390         (void_list_node): Likewise.
12391         * tree.h (TI_VOID_LIST_NODE): New enumeral.
12392         (void_list_node): New macro.
12393         * config/arm/arm.c (arm_init_builtins): Use void_list_node.
12394         * config/i386/i386.c (ix86_init_builtins): Likewise.
12395         * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
12396
12397 2001-01-10  Neil Booth  <neil@daikokuya.demon.co.uk>
12398
12399         * Makefile.in (tradcpp0): Depend on mkdeps.h.  Link mkdeps.o
12400         * cppinit.c (cpp_start_read): Update comment, remove unneeded
12401         if statement.
12402         * tradcpp.c: Include mkdeps.h.
12403         (deps, print_deps_phony_targets, deps_append, output_deps,
12404         init_dependency_output, output_deps): New.
12405         (deps_buffer, deps_allocated_size, deps_size, deps_column,
12406         deps_output): Delete.
12407         (print_deps_missing_files): Rename deps_missing_files.
12408         (inhibit_output): Make global.
12409         (main): Delete inhibit_output, deps_stream, deps_target.
12410         Use mkdeps functionality in the same way as cpplib.  Remove
12411         -g3 handling.  Handle -MF, -MP, -MQ, -MT.  Update handling of
12412         -M and -MM.  Remove old handling of deps via deps_out, and
12413         old reading of environment variables.
12414         (get_filename): Update to use deps_add_dep.
12415
12416 2001-01-10  Mark Mitchell  <mark@codesourcery.com>
12417
12418         * output.h (make_function_rtl): Remove prototype.
12419         (make_decl_rtl): Likewise.
12420         * varasm.c (make_function_rtl): Remove.
12421         (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
12422         than from a third parameter.
12423         * tree.h (make_decl_rtl): Remove last parameter.
12424         * c-decl.c (builtin_function): Remove last argument in call to
12425         make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
12426         (start_function): Likewise.
12427         * except.c (call_get_eh_context): Likewise.
12428         * expr.c (emit_block_move): Likewise.
12429         (clear_storage): Likewise.
12430         * profile.c (output_func_start_profiler): Likewise.
12431         * toplev.c (rest_of_decl_compilation): Likewise.
12432         * objc/objc-act.c (create_builtin_decl): Likewise.
12433         (synth_module_prologue): Likewise.
12434         (generate_static_reference): Likewise.
12435         (build_selector_reference_decl): Likewise.
12436         (build_class_reference_decl): Likewise.
12437         (build_objc_string_decl): Likewise.
12438         (build_protocol_reference): Likewise.
12439
12440 2001-01-10  Richard Henderson  <rth@redhat.com>
12441
12442         * hwint.h: Revert yesterday's change.
12443
12444 2001-01-10  Nick Clifton  <nickc@redhat.com>
12445
12446         * function.h (save_machine_status): Delete.
12447         (restore_machine_status): Delete.
12448         Amend comment describing {init|mark|free}_machine_status.
12449
12450         * function.c (save_machine_status): Delete.
12451         (restore_machine_status): Delete.
12452         Amend comment describing {init|mark|free}_machine_status.
12453         (push_function_context_to): Remove invocation of
12454         save_machine_status.
12455         (pop_function_context_from): Remove invocation of
12456         restore_machine_status.
12457
12458         * emit-rtl.c (init_emit_once): Amend comment describing
12459         {init|mark|free}_machine_status.
12460
12461         * tm.texi (Per-Function Data): New node.  Describe the
12462         INIT_EXPANDERS macro and the {init|mark|free}_machine_status
12463         function pointers.
12464
12465 2001-01-10  Neil Booth  <neil@daikokuya.demon.co.uk>
12466
12467         * cppinit.c (OPT_g): Remove.
12468         (cpp_handle_option): Update for removed -g3.
12469         (print_help): Update.
12470         * cpplib.h (struct cpp_options): Remove debug_output.
12471         * cppmain.c (setup_callbacks, cb_define): Update.
12472         * gcc.c (cpp_options): Translate -g3 to -dD.
12473
12474 2001-01-10  Aldy Hernandez  <aldyh@redhat.com>
12475
12476         * config/i960/i960.md: Change modifier to + on the zero_extract
12477         pattern after the (rotate -2 reg) canonicalization pattern.
12478
12479 2001-01-10  Richard Henderson  <rth@redhat.com>
12480
12481         * config/alpha/alpha.c (alpha_free_machine_status): New.
12482         (override_options): Install it.
12483         (alpha_mark_machine_status): Verify machine non-null.
12484         * config/i386/i386.c (ix86_free_machine_status): New.
12485         (override_options): Install it.
12486         (ix86_init_machine_status): Use xcalloc.
12487         (ix86_mark_machine_status): Verify machine non-null.
12488         * config/ia64/ia64.c (ia64_free_machine_status): New.
12489         (ia64_override_options): Install it.
12490         (ia64_mark_machine_status): Verify machine non-null.
12491
12492 Wed Jan 10 11:34:39 2001  Jeffrey A Law  (law@cygnus.com)
12493
12494         * function.c (instantiate_virtual_regs): Instantiate virtual
12495         registers found in CALL_INSN_FUNCTION_USAGE.
12496
12497 2001-01-10  Joseph S. Myers  <jsm28@cam.ac.uk>
12498
12499         * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
12500         equivalent to -ansi in disabling -Di386.
12501
12502 Wed Jan 10 16:38:31 MET 2001  Jan Hubicka  <jh@suse.cz>
12503
12504         * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
12505         new functions.
12506         (ix86_expand_fp_compare): Make trivial use of new infrastructure.
12507
12508 2001-01-10  Richard Earnshaw  <rearnsha@arm.com>
12509
12510         * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
12511
12512 2001-01-10  Joseph S. Myers  <jsm28@cam.ac.uk>
12513
12514         * invoke.texi: Document that -fcond-mismatch isn't supported for
12515         C++.
12516
12517 2001-01-10  Joseph S. Myers  <jsm28@cam.ac.uk>
12518
12519         * gcc.texi: Define macro gcctabopt.
12520         * invoke.texi: Add manpage sections BUGS and AUTHOR.  Use
12521         @command, @env and @option in some places where appropriate.  Use
12522         @gcctabopt where appropriate.  Put URLs and email addresses inside
12523         @w.
12524
12525 2001-01-10  Nathan Sidwell  <nathan@codesourcery.com>
12526
12527         * gcc.c (cpp_options): Set MD file name from output
12528         filename, if specified.
12529         (suffix_subst): New static variable.
12530         (do_spec): Clear it.
12531         (do_spec_1, case '.'): Handle new `%.suffix' spec.
12532         Clear it.
12533         (give_switch): Handle suffix_subst.
12534
12535 2001-01-10  Phil Edwards  <pme@sources.redhat.com>
12536
12537         * invoke.texi:  Fix another typo.
12538
12539 2001-01-10  Phil Edwards  <pme@sources.redhat.com>
12540
12541         * invoke.texi:  Fix typo.
12542
12543 2001-01-10  Neil Booth  <neil@daikokuya.demon.co.uk>
12544
12545         * c-lang.c (lang_hooks): Update.
12546         (lang_decode_option): Remove.
12547         (lang_init_options): Rename c_init_options.
12548         * toplev.c (main): Use lang_hooks for lang_init_options
12549         and lang_decode_option.
12550         * toplev.h (lang_hooks): Add 2 new hooks.
12551         * tree.h: Remove lang_init_options and lang_decode_option.
12552         * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
12553         * cp/decl2.c: Similarly.
12554         * cp/lex.c (lang_init_options): Rename cxx_init_options.
12555         (lang_hooks): Update.
12556         * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
12557         for consistency.
12558         (lang_init_options): Rename ffe_init_options.
12559         (lang_hooks): Update.
12560         (lang_decode_option): Remove.
12561         * java/lang.c (lang_init_options): Rename java_init_options.
12562         (lang_decode_option): Rename java_decode_option.
12563         (lang_hooks): Update.
12564         * objc/objc-act.c (lang_init_options): Rename objc_init_options.
12565         (lang_decode_option): Rename objc_decode_option.
12566         (lang_hooks): Update.
12567
12568 2001-01-09  Nick Clifton  <nickc@redhat.com>
12569
12570         * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
12571         (d30v_return_addr_rtx): Delete.
12572         (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
12573         cfun->machine structure.
12574         (struct machine_function): Move to d30v.h
12575         (d30v_save_machine_status): Delete.
12576         (d30v_restore_machine_status): Delete.
12577         (d30v_init_machine_status): New Function.
12578         (d30v_mark_machine_status): New Function.
12579         (d30v_free_machine_status): New Function.
12580         (d30v_init_expanders): Use new functions.
12581         (d30v_return_addr): Use ra_rtx field in cfun->machine.
12582         (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
12583         d30v_return_addr_rtx.
12584
12585         * config/d30v/d30v.h (struct_machine): Move here.
12586         Add eh_epilogue_sp_ofs field.
12587
12588         *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
12589         field in cfun->machine structure.
12590
12591 Tue Jan  9 21:34:57 2001  John David Anglin  <dave@hiauly1.hia.nrc.ca>
12592
12593         * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
12594         PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
12595         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
12596
12597 Tue Jan  9 21:25:19 2001  Jeffrey A Law  (law@cygnus.com)
12598
12599         * objc/lang-options.h: Remove bogus reference to
12600         Java trademark.
12601
12602 2001-01-09  Kazu Hirata  <kazu@hxi.com>
12603
12604         * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
12605         return the result.
12606
12607 2001-01-09  Alan Lehotsky  <lehotsky@tiac.net>
12608
12609         * reload.c (find_reloads_address): Check for eliminable registers
12610         when substituting a constant expression for a pseudo.
12611
12612 2001-01-09  Joseph S. Myers  <jsm28@cam.ac.uk>
12613
12614         * c-common.c (enum format_type): Add format_type_error.
12615         (decode_format_type): New function.
12616         (decl_attributes): Use it.
12617         (format_kind_info): Adjust comment.
12618
12619 2001-01-09  David O'Brien  <obrien@BSDi.com>
12620
12621         * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
12622         i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
12623         files in tm_file.
12624         * config/i386/gnu.h: Don't include required platform specific .h files,
12625         tm.h will do it instead.
12626         * config/i386/i386elf.h: Likewise.
12627         * config/i386/linux.h: Likewise.
12628         * config/i386/moss.h: Likewise.
12629         * config/mips/gnu.h: Likewise.
12630
12631 2001-01-09  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
12632
12633         * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
12634         (rs6000-ibm-aix3.[01]*): Likewise.
12635         (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
12636         (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
12637         (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
12638         (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
12639         (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
12640         (powerpc-*-eabiaix*): Likewise.
12641         (powerpc-*-eabisim*): Likewise.
12642         (powerpc-*-elf*): Likewise.
12643         (powerpc-*-eabi*): Likewise.
12644         (powerpc-*-rtems*): Likewise.
12645         (powerpc-*-linux*libc1): Likewise.
12646         (powerpc-*-linux*): Likewise.
12647         (powerpc-wrs-vxworks*): Likewise.
12648         (powerpcle-wrs-vxworks*): Likewise.
12649         (powerpcle-*-sysv*): Likewise.
12650         (powerpcle-*-elf*): Likewise.
12651         (powerpcle-*-eabisim*): Likewise.
12652         (powerpcle-*-eabi*): Likewise.
12653         (powerpcle-*-solaris2*): Likewise.
12654         * config/rs6000/aix31.h: Delete includes.
12655         * config/rs6000/aix3newas.h: Likewise.
12656         * config/rs6000/aix41.h: Likewise.
12657         * config/rs6000/aix43.h: Likewise.
12658         * config/rs6000/beos.h: Likewise.
12659         * config/rs6000/rtems.h: Likewise.
12660         * config/rs6000/sysv4.h: Likewise.
12661
12662 2001-01-09  Kazu Hirata  <kazu@hxi.com>
12663
12664         * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
12665         Change an argument mode of machine_mode to shift_mode of
12666         shift_mode.  Remove an extra error check.
12667         (emit_a_shift): Adopt to the new calling prototype of
12668         get_shift_alg.
12669         (function_prologue): Fix code for a monitor
12670         function.  Support H8/S.
12671         (function_epilogue): Do not output pop for a monitor function.
12672
12673 2001-01-09  Nick Clifton  <nickc@redhat.com>
12674
12675         * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
12676         (setup_incoming_varargs): Use sysv_varargs_p field of the
12677         cfun->machine structure.
12678         (struct machine_function): Move to rs6000.h
12679         (rs6000_save_machine_status): Delete.
12680         (rs6000_restore_machine_status): Delete.
12681         (rs6000_init_machine_status): New Function.
12682         (rs6000_free_machine_status): New Function.
12683         (rs6000_init_expanders): Use new functions.
12684
12685         * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
12686         export.
12687         (struct machine_function): Move here.
12688
12689         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
12690         sysv_varargs_p field of the cfun->machine structure.
12691
12692         * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
12693         Remove prototype.
12694         (rs6000_restore_machine_status): Remove prototype.
12695
12696 2001-01-09  Richard Henderson  <rth@redhat.com>
12697
12698         * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
12699         reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
12700         * sched-deps.c (sched_analyze_1): Update uses of struct deps.
12701         (sched_analyze_2, sched_analyze_insn): Likewise.
12702         (sched_analyze, init_deps): Likewise.
12703         (free_deps): Likewise.  Iterate with EXECUTE_IF_SET_IN_REG_SET.
12704         * sched-rgn.c (propagate_deps): Likewise.  Remove max_reg argument.
12705         (compute_block_backward_dependences): Update propagate_deps call.
12706
12707 2001-01-09  Mark Elbrecht  <snowball3@bigfoot.com>
12708
12709         * gcc.c (process_command): Set switches[n_switches].ordering to 0.
12710
12711 2001-01-09  Neil Booth  <neil@daikokuya.demon.co.uk>
12712
12713         * cppinit.c (OPT_MD, OPT_MMD): Restore.
12714         (cpp_handle_option): Handle them.
12715         (cpp_post_options): Ensure one of -M or -MM is specified with
12716         any other -M? option.
12717         (init_dependency_output): Suppress output with -MG.
12718
12719 2001-01-09  Neil Booth  <neil@daikokuya.demon.co.uk>
12720
12721         * cpp.texi: Update.
12722         * invoke.texi: Update.
12723
12724 2001-01-09  Bernd Schmidt  <bernds@redhat.com>
12725
12726         * sh.md (reload_outsf): Generate recognizable patterns for
12727         TARGET_SH3E.
12728
12729 2001-01-09  Neil Booth  <neil@daikokuya.demon.co.uk>
12730
12731         * c-lang.c (lang_hooks): Update.
12732         (lang_init): Rename c_init.
12733         (lang_finish): Remove.
12734         * toplev.c (compile_file): Use lang_hooks for lang_init ()
12735         and lang_finish ().
12736         * toplev.h (lang_hooks): Add init () and finish ().
12737         * tree.h (lang_init, lang_finish): Remove.
12738         * cp/tree.h (lang_init, lang_finish): Remove.
12739         * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
12740         * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
12741         lang_hooks): New.
12742         (lang_init, lang_finish): Remove.
12743         * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
12744         (lang_hooks): Update.
12745         * java/lang.c (lang_init): Rename java_init.
12746         (lang_finish): Remove.
12747         (lang_hooks): Update.
12748         * objc/objc-act.c (lang_init): Rename objc_init.
12749         (lang_finish): Remove.
12750         (lang_hoooks): Update.
12751
12752 20001-01-09  Graham Stott  <grahams@redhat.com>
12753
12754         * cppfiles.c (_cpp_execute_include): Move `len` initialisation
12755         after `ptr` is initialised.
12756
12757 2001-01-09  Alexandre Oliva  <aoliva@redhat.com>
12758
12759         * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
12760         (INITIALIZE_TRAMPOLINE): Adjust accordingly.
12761         * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
12762         stack adjusts, instead of r3.
12763
12764 2001-01-09  Michael Hayes  <mhayes@redhat.com>
12765
12766         * flow.c (flow_loop_scan): Break out of ...
12767         (flow_loops_find) ... here.
12768         * basic-block.h (flow_loop_scan): New.
12769         (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
12770         (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
12771
12772 2001-01-09  Alexandre Oliva  <aoliva@redhat.com>
12773
12774         * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
12775         macro_buffer_len.
12776         * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
12777         realloc()ing macro_buffer.
12778
12779         * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
12780         if it's wider than long and the target's long is wider than the
12781         host's.
12782
12783 2001-01-09  Mark Mitchell  <mark@codesourcery.com>
12784
12785         Remove support for using UWIN as a host machine.
12786         * configure.in: Issue an error message.
12787         * configure: Regenerated.
12788         * config.gcc: Remove xm_* UWIN configury.
12789         * config/i386/xm-uwin.h: Remove.
12790
12791 2001-01-08  Nick Clifton  <nickc@redhat.com>
12792
12793         * config/v850/v850.c (ra_rtx): Delete.
12794         (v850_save_machine_status): Delete.
12795         (v850_restore_machine_status): Delete.
12796         (v850_init_machine_status): New function.
12797         (v850_mark_machine_status): New function.
12798         (v850_free_machine_status): New function.
12799         (v850_return_addr): Use ra_rtx field in machine structure.
12800         (v850_init_expanders): Use new functions.
12801
12802         * config/v850/v850-protos.h: Fix prototypes for v850_output_*
12803         * config/v850/v850.c: Change arguments to v850_output+* functions
12804         to take a const char *, to avoid compile time warning.
12805         * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
12806         (USER_LABEL_PREFIX): Redefine.
12807
12808 2000-01-08  Jim Wilson  <wilson@redhat.com>
12809
12810         * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
12811         1 to unsigned HOST_WIDE_INT before left shift.
12812
12813 2001-01-08  Nick Clifton  <nickc@redhat.com>
12814
12815         * config/arm/arm.c (arm_mark_machine_status): Check to see if
12816         the machine structure has been allocated.
12817         (arm_free_machine_status): New function: Free the machine
12818         specific function structure.
12819
12820 2001-01-08  Richard Henderson  <rth@redhat.com>
12821
12822         * jump.c (simplejump_p): Revert last change.
12823
12824 2001-01-08  Neil Booth  <neil@daikokuya.demon.co.uk>
12825
12826         * cppinit.c (init): Rename init_library.
12827         (cpp_create_reader): Update.
12828         * gcc.c (cpp_options): If -o given, use it as the target of
12829         any -M options.
12830
12831 2001-01-08  Richard Earnshaw  <rearnsha@arm.com>
12832
12833         * arm.c (arm_arch5e): New variable.
12834         (all_cores): XScale is a 5TE device.
12835         (arm_override_options): Set arm_arch5e.
12836         (arm_init_builtins): __builtin_prefetch is in arch5e.
12837         * arm.h (arm_arch5e): Declare it.
12838
12839         * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
12840
12841         * arm.md (define_constants): Add defines for UNSPEC and
12842         UNSPEC_VOLATILE insns.  Update all users.
12843         (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
12844         * arm.c (multi_register_push, note_invalid_constants)
12845         (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
12846         * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
12847         (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
12848
12849 Mon Jan  8 16:14:56 MET 2001  Jan Hubicka  <jh@suse.cz>
12850
12851         * jump.c (jump_optimize_1): Use reversed_comparison_code
12852         instead of can_reverse_comparison_p.
12853         (jump_back_p): Likewise.
12854         (invert_exp_1): Likewise.
12855         (thread_jumps): Likewise.
12856         * simplify-rtx.c (simplify_unary_operation): Likewise.
12857         (simplify_ternary_operation): Likewise.
12858         * cse.c (find_comparison_args): Convert to use
12859         can_reverse_comparison_p.
12860         (record_jump_equiv): Likewise.
12861
12862 2001-01-08  Richard Earnshaw  <rearnsha@arm.com>
12863
12864         * arm.h (HARD_REGNO_RENAME_OK): Delete.
12865         (EPILOGUE_USES): Define.
12866         (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
12867         automatically stack the LR if it isn't live.
12868
12869 Mon Jan  8 13:46:02 MET 2001  Jan Hubicka  <jh@suse.cz>
12870
12871         * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
12872         properly.
12873
12874 Sun Jan  7 18:37:43 2001  Mark P Mitchell  <mark@codesourcery.com>
12875
12876         * ggc-page.c (max_alignment): New structure.
12877         (MAX_ALIGNMENT): New macro.
12878         (init_ggc): Use it to round up the sizes in the
12879         extra_order_size_table.
12880
12881 2001-01-07  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
12882
12883         * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
12884         after reload.
12885
12886 2001-01-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12887
12888         * builtins.def (BUILT_IN_FPRINTF): New entry.
12889
12890         * c-common.c (c_expand_builtin_fprintf): New function.
12891         (init_function_format_info): Handle __builtin_fprintf.
12892         (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
12893         (c_expand_builtin): Handle BUILT_IN_FPRINTF.
12894
12895         * c-decl.c (duplicate_decls): Adjust comment.
12896
12897         * extend.texi (fprintf): Document new builtin.
12898
12899 2001-01-07  Richard Henderson  <rth@redhat.com>
12900
12901         * jump.c (simplejump_p): Recognize any single_set jump
12902         of the proper form.
12903
12904 2001-01-07  Richard Henderson  <rth@redhat.com>
12905
12906         * configure.in (slibdir): Accept an --with-slibdir option.
12907         Use "test" not "[" in configure.  Default to $(libdir).
12908
12909         * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
12910         fix typo in rm -f.
12911         * config/t-aix43 (SHLIB_INSTALL): Likewise.
12912         * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
12913         (SHLIB_LINK): Create links for the soname.
12914         * config/mips/t-iris6: Likewise.
12915         * config/sparc/t-slibgcc: Likewise.
12916         * config/sparc/t-slibgcc-sld: Likewise.
12917
12918 2001-01-07  Jakub Jelinek  <jakub@redhat.com>
12919
12920         * config/i386/i386.c (constant_call_address_operand): Accept
12921         (const (plus (symbol_ref) (const_int))).
12922         * config/i386/i386.h (PREDICATE_CODES): Add CONST for
12923         constant_call_address_operand.
12924
12925 2001-01-08  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
12926
12927         * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
12928         and LONG_LONG_TYPE_SIZE > 32.
12929
12930 2001-01-07  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
12931
12932         * jump.c (reversed_comparison_code_parts): Fix typo introduced by
12933         the previous change.
12934
12935 Sun Jan  7 19:37:48 MET 2001  Jan Hubicka  <jh@suse.cz>
12936
12937         * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
12938         New.
12939         (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
12940         (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
12941         * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
12942         Declare.
12943
12944 2001-01-07  Neil Booth  <neil@daikokuya.demon.co.uk>
12945
12946         * fix-header.c (read_scan_file): s/pfile/scan_in/.
12947
12948 2001-01-07  Neil Booth  <neil@daikokuya.demon.co.uk>
12949
12950         * c-lang.c (c_post_options): Call cpp_post_options.
12951         * objc/objc-act.c (objc_post_options): Similarly.
12952         * cppmain.c (main): Similarly.
12953         * fix-header.c (read_scan_file): Similarly.
12954         * cppinit.c (cpp_start_read): Move option consistency checks
12955         to cpp_post_options.  Don't call init_dependency_output.
12956         If needed, add default target and main file dependency.
12957         (OPT_MD, OPT_MMD): Remove.
12958         (OPT_MF): New.
12959         (cpp_handle_option): Update for OPT_* changes.
12960         (cpp_post_options): New.
12961         (init_dependency_output): Command line -MF overrides environment
12962         variables.  Don't set default target etc.  Suppress output
12963         if dependencies are going to stdout.
12964         (print_help): Update.
12965         * cpplib.h (cpp_post_options): New.
12966         * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
12967
12968 Sun Jan  7 14:44:19 MET 2001  Jan Hubicka  <jh@suse.cz>
12969
12970         * jump.c (comparison_dominates_p): Support unordered compares.
12971
12972 Sun Jan  7 14:39:07 MET 2001  Jan Hubicka  <jh@suse.cz>
12973
12974         * simplify-rtx.c (simplify_relational_operation): Always simplify
12975         ORDERED and UNORDERED when FLAG_FAST_MATH.  Handle properly UNLE
12976         and UNGE.
12977
12978 Sun Jan  7 14:35:13 MET 2001  Jan Hubicka  <jh@suse.cz>
12979
12980         * combine.c (combine_simplify_rtx): Recognize the unordered compares.
12981         (nonzero_bits): Likewise.
12982         (simplify_comparison): Likewise.
12983         (num_sign_bit_copies): Likewise; return more sane value depending
12984         on STORE_FLAG_VALUE.
12985         (known_cond): Do not assume EQ to be always true for equivalent
12986         operands.
12987
12988 Sun Jan  7 14:31:57 MET 2001  Jan Hubicka  <jh@suse.cz>
12989
12990         * cse.c (fold_rtx): Handle unordered comparisons.
12991
12992 Sun Jan  7 13:49:19 MET 2001  Jan Hubicka  <jh@suse.cz>
12993
12994         * rtlanal.c (set_of_1): New static function.
12995         (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
12996          reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
12997          reg_set_last_last_regno): Remove.
12998         (set_of): New global function.
12999         (set_of_data): New structure.
13000         (reg_set_p, reg_set_last): Revamp for set_of.
13001         * rtl.h (set_of): New.
13002
13003 2001-01-07  Joseph S. Myers  <jsm28@cam.ac.uk>
13004
13005         * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
13006         * extend.texi: Document _Exit builtin.
13007
13008 2001-01-07  Neil Booth  <neil@daikokuya.demon.co.uk>
13009
13010         * (initialize, initialize_builtins,
13011         initialize_dependency_output, initialize_standard_includes):
13012         Rename s/initialize/init. Update.
13013         (init_dependency_output): Move to after
13014         cpp_handle_options, the correct location temporally at least.
13015         (opt_comp): Move next to init (), its caller.  Fix prototype.
13016         (init): Make "initialized" local scope.
13017         (cpp_create_reader): Always call init ().
13018         (cpp_start_read): Update.
13019         (output_deps): New function, broken out of cpp_finish.
13020         (cpp_finish): Break out output_deps.
13021
13022 2001-01-07  Richard Henderson  <rth@redhat.com>
13023
13024         * collect2.c (COFF specific stuff): Revert 12-06 patch
13025         to prototype system functions.
13026
13027 2001-01-07  Michael Hayes  <mhayes@redhat.com>
13028
13029         * hard-reg-set.h: Add multiple include guard.
13030         * basic-block.h (struct loop): Add `sink' field.
13031         * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
13032         (emit_iv_add_mult): Delete.
13033         (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
13034         (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
13035         (unroll_loop): Remove end_insert_before argument.
13036         * loop.c (loop_givs_rescan): Remove end_insert_before argument.
13037         (maybe_eliminate_biv_1): Likewise.
13038         (emit_iv_add_mult): Delete.
13039         (gen_add_mult, loop_regs_update): New.
13040         (loop_insn_emit_after, loop_insn_emit_before): New.
13041         (loop_insn_sink, loop_insn_sink_or_swim): New.
13042         (emit_iv_add_mult): Delete.
13043         (scan_loop): Set loop->sink.
13044         (loop_givs_reduce): Use loop_insn_sink and its ilk.
13045         (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
13046         (maybe_eliminate_biv_1): Likewise.
13047         (maybe_eliminate_biv_1): Add basic block argument.
13048         * unroll.c (unroll_loop): Remove end_insert_before argument.
13049         (find_splittable_regs): Likewise.
13050         (find_splittable_regs): Use loop_insn_sink and its ilk.
13051         (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
13052
13053 2001-01-07  Michael Hayes  <mhayes@redhat.com>
13054
13055         * loop.h (loop_insn_hoist): New prototype.
13056         * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
13057         (move_movables, loop_givs_rescan): Use loop_insn_hoist.
13058         (check_dbra_loop, load_mems): Likewise.
13059         * unroll.c (unroll_loop, find_splittable_regs): Likewise.
13060         (find_splittable_givs): Likewise.
13061
13062 2001-01-07  Michael Hayes  <mhayes@redhat.com>
13063
13064         * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
13065
13066 2001-01-07  Richard Henderson  <rth@redhat.com>
13067
13068         * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
13069
13070 2001-01-07  Richard Henderson  <rth@redhat.com>
13071
13072         * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
13073         NO_SHARED_LIBGCC_MULTILIB as required for the target.
13074         * gcc.c (init_spec): Massage the existing libgcc_spec into a
13075         variant that handles a shared libgcc.
13076         (process_command): Always validate -{static,shared}-libgcc.
13077         (do_spec_1): New 'M' case.
13078         * invoke.text (Link Options): Document -{static,shared}-libgcc.
13079
13080 2001-01-07  Richard Henderson  <rth@redhat.com>
13081
13082         * Makefile.in (slibdir): New variable.
13083         (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
13084         (installdirs): Create slibdir.
13085         (install-libgcc, install-multilib): Defer to libgcc.mk.
13086         * configure.in (slibdir): Substitute.
13087         * mklibgcc.in (install): New target.
13088
13089         * config/t-linux (SHLIB_LINK): Create links for the soname.
13090         (SHLIB_INSTALL): New.
13091         * config/alpha/t-osf4 (SHLIB_INSTALL): New.
13092         * config/mips/t-iris6 (SHLIB_INSTALL): New.
13093         * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
13094         * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
13095         * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
13096
13097 2001-01-07  Richard Henderson  <rth@redhat.com>
13098
13099         * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
13100         * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
13101         * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
13102
13103 2001-01-07  Michael Hayes  <mhayes@redhat.com>
13104
13105         * loop.c (count_loop_regs_set): Delete.
13106         (load_mems_and_recount_loop_regs_set): Delete.
13107         (loop_regs_scan): Merge common code from count_loop_regs_set,
13108         scan_loop, and load_mems_and_recount_loop_regs_set.
13109         (scan_loop): Call load_mems directly and loop_regs_scan
13110         again if new registers created.
13111
13112 2001-01-07  Neil Booth  <neil@daikokuya.demon.co.uk>
13113
13114         * toplev.c (main): Call the front-end specific post_options
13115         hook if one is given.
13116         * toplev.h (struct_lang_hooks, lang_hooks): New.
13117         * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
13118         for the C front end.
13119         * cp/decl2.c (cxx_post_options, lang_hooks): Implement
13120         lang_hooks for the C++ front end.
13121         * objc/objc-act.c (objc_post_options, lang_hooks): Implement
13122         lang_hooks for the ObjC front end.
13123         * f/com.c (lang_hooks): Hooks for the Fortran front end.
13124         * java/lang.c (lang_hooks): Hooks for the Java front end.
13125
13126 2001-01-07  Neil Booth  <neil@daikokuya.demon.co.uk>
13127
13128         * c-lex.c (init_c_lex): Request #define / #undef callbacks
13129         for verbose DWARF[2] debugging.
13130         (cb_define, cb_undef): The new callbacks.
13131         * toplev.h (debug_define, debug_undef): Make const correct.
13132         * toplev.c (debug_define, debug_undef): Similarly.  Do not
13133         perform the verbosity tests here anymore.
13134
13135 2001-01-07  Alexandre Oliva  <aoliva@redhat.com>
13136
13137         * reload.c (subst_reloads): Take INSN argument.  When
13138         replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
13139         * reload.h (subst_reloads): Adjust prototype.
13140         * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
13141         * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
13142         present in JUMP_INSNs and copy them to JUMP_LABEL.
13143         * flow.c (find_label_refs, find_basic_blocks_1): Skip
13144         JUMP_INSNs and insns with REG_LABELs that are followed by
13145         JUMP_INSNs with the same REG_LABEL.
13146         * sched-rgn.c (is_cfg_nonregular): Likewise.
13147         * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
13148         note is available.
13149         * unroll.c (unroll_loop): Look for REG_LABEL notes in
13150         JUMP_INSNs too.
13151         * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
13152
13153 2001-01-06  Richard Henderson  <rth@redhat.com>
13154
13155         * loop.c (scan_loop): Use xcalloc for the regs array.
13156         (load_mems_and_recount_loop_regs_set): Zero the new memory
13157         received from xrealloc.
13158
13159 2001-01-06  Neil Booth  <neil@daikokuya.demon.co.uk>
13160
13161         * mkdeps.c (deps_add_dep): Fix vector re-allocation.
13162
13163 Sat Jan  6 00:09:34 2001  J"orn Rennecke <amylaar@redhat.com>
13164
13165         * integrate.c (copy_rtx_and_substitute): When copying
13166         an ignored return value, strip REG_FUNCTION_VALUE_P.
13167
13168 2001-01-06  Michael Hayes  <mhayes@redhat.com>
13169
13170         * loop.c (debug_biv, debug_giv): New.
13171         (loop_biv_dump): Break out from ...
13172         (record_biv): ... here.
13173         (loop_giv_dump): Break out from ...
13174         (record_giv): ... here.
13175         (loop_bivs_check): Use print_simple_rtl.
13176         * unroll.c (loop_iterations): Use print_simple_rtl.
13177
13178 2000-01-05  John David Anglin  <dave@hiauly1.hia.nrc.ca>
13179
13180         * pa.md (return, return_internal): Modify patterns to prevent regrename
13181         mucking with the return pointer.
13182
13183 2001-01-05  Richard Henderson  <rth@redhat.com>
13184
13185         * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
13186
13187 Fri Jan  5 16:34:18 2001  Nick Clifton  <nickc@redhat.com>
13188
13189         * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
13190         version supplied by Matteo Frigo.
13191
13192 2001-01-05  Neil Booth  <neil@daikokuya.demon.co.uk>
13193
13194         * cpp.texi: Update for -MQ.
13195         * cppinit.c (cpp_create_reader): Always create pfile->deps.
13196         (cpp_cleanup): Always free pfile->deps.
13197         (initialize_dependency_output): Don't create pfile->deps.
13198         (cpp_handle_option): Similarly.
13199         (OPT_MQ): New.
13200         * gcc.c (cpp_options): Handle -MQ.
13201         (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
13202         * mkdeps.c (base_name): Remove.
13203         (deps_init): Don't allocate vector space until it's needed.
13204         (deps_free): Only free vectors if allocated.
13205         (deps_add_target, deps_add_dep): Update for initial allocation.
13206         (deps_add_default_target): Don't strip to the base_name.
13207
13208 2001-01-05  DJ Delorie <dj@redhat.com>
13209
13210         * config/v850/v850.h (RETURN_ADDR_RTX): Define.
13211         (INIT_EXPANDERS): Define.
13212
13213         * config/v850/v850.c (struct machine_function): Define.
13214         (v850_save_machine_status): New function.
13215         (v850_restore_machine_status): New function.
13216         (v850_return_addr): New function.
13217         (v850_init_expanders): New function.
13218
13219         * config/v850/v850-protos.h: Add prototypes for v850_return_addr
13220         and v850_init_expanders.
13221
13222 2001-01-05  Zack Weinberg  <zack@wolery.stanford.edu>
13223
13224         * cpplib.h (struct cpp_reader): Add help_only field.
13225         * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
13226         (cpp_handle_option): Set pfile->help_only if we see -h,
13227         --help, -target-help, or --version.  Print version string but
13228         do not set help_only if we see -v or -version.  Make text
13229         printed by -v match that printed by (-)-version.
13230
13231         * cppmain.c (main): Exit after option parsing if
13232         pfile->help_only is true.
13233
13234         * toplev.c (independent_decode_option): Call print_version,
13235         then exit, if we see --version (but not -version).
13236         (print_version): Split lengthy message into two lines.
13237
13238 2001-01-05  Nick Clifton  <nickc@redhat.com>
13239
13240         * config/v850/v850.c (v850_encode_data_area): Use alloca to create
13241         temporary string for initialisation before calling ggc_alloc_string.
13242
13243 2001-01-06  Michael Hayes  <mhayes@redhat.com>
13244
13245         * rtl.h (print_simple_rtl): New.
13246         * print-rtl.c (print_simple_rtl): New.
13247         (flag_simple): New.
13248         (print_rtx): Disable printing of flags and modes, etc.,
13249         if `flag_simple` nonzero.
13250
13251 2001-01-05  Zack Weinberg  <zack@wolery.stanford.edu>
13252
13253         * function.c (fixup_var_refs): Use push_to_full_sequence where
13254         possible.
13255
13256 2001-01-05  Michael Meissner  <meissner@redhat.com>
13257
13258         * flags.h (flag_reorder_blocks): Add declaration.
13259         (flag_rename_block): Ditto.
13260
13261 2001-01-05  DJ Delorie  <dj@redhat.com>
13262
13263         * function.c (reorder_blocks): Make sure the flags are all reset
13264         before using them to mark blocks, else a second invocation will
13265         corrupt the block chain.
13266         (reorder_blocks_0): New, resets the flags.
13267
13268 Fri Jan  5 20:34:06 2001  J"orn Rennecke <amylaar@redhat.com>
13269
13270         * cse.c (find_comparison_args): Stop if the argument is known to
13271         be constant.
13272
13273 2001-01-05  Alexandre Oliva  <aoliva@redhat.com>
13274
13275         * config/sh/sh.md (movdf): When splitting load into pair of
13276         registers, don't clobber the register used in the address too
13277         early.
13278
13279 2001-01-05  Jeffrey Oldham  <oldham@codesourcery.com>
13280
13281         * varasm.c (mark_constant_pool): Improve initial comments.
13282         (mark_constants): Move marking of constants to mark_constant.
13283         (mark_constant): New function to recursively mark all constants
13284         referred to by a constant.
13285
13286 2001-01-05  Catherine Moore  <clm@redhat.com>
13287
13288         * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
13289
13290 2001-01-05  Phil Edwards  <pme@sources.redhat.com>
13291
13292         * cp/lang-options.h:  Bring comment in line with reality.
13293         * f/lang-options.h:  Likewise.
13294         * java/lang-options.h:  Likewise.
13295         * objc/lang-options.h:  Likewise.
13296         * ch/lang-options.h:  Likewise.
13297         * f/g77.texi:  And update the manual.
13298
13299 2001-01-05  Marek Michalkiewicz  <marekm@linux.org.pl>
13300             Denis Chertykov  <denisc@overta.ru>
13301
13302         * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
13303         * config/avr/avr.c (avr_peep2_scratch_safe): New function.
13304         * config/avr/avr.md (all peepholes that request a scratch register):
13305         Call it, FAIL the peephole if not safe (in interrupt functions).
13306
13307 2001-01-05  Mark Mitchell  <mark@codesourcery.com>
13308
13309         * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
13310
13311 2001-01-05  Joseph S. Myers  <jsm28@cam.ac.uk>
13312
13313         * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
13314         Define.
13315         * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
13316         BUILT_IN_CREAL and BUILT_IN_CIMAG.
13317         * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
13318         conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
13319         (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
13320         BUILT_IN_CIMAG.
13321         * extend.texi: Document these builtins.
13322
13323 2001-01-05  Daniel Berlin  <dberlin@redhat.com>
13324
13325         * c-common.c (lang_get_alias_set): Say we know nothing of
13326         VECTOR_TYPE aliasing.
13327
13328         * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
13329
13330 2001-01-05  Bruce Korb  <bkorb@gnu.org>
13331
13332         * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
13333         their x* equivalent versions for atexit-less systems
13334         * fixinc/fixincl.c(main): do not return from main() on atexit-less
13335         systems (or any other system any more).
13336
13337 2001-01-05  Richard Earnshaw  <rearnsha@arm.com>
13338
13339         * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
13340         output operands.  Use arm_hard_register_operand for operand 4.
13341         (stmsi_postinc): Similarly.
13342         (ldmsi): Use arm_hard_register_operand for opernand 2.
13343         (stmsi): Similarly.
13344         * arm.c (arm_hard_register_operand): New function.
13345         * arm-protos.h (arm_hard_register_operand): Prototype it.
13346
13347         * arm.h (HARD_REGNO_RENAME_OK): Define.
13348
13349 Fri Jan  5 16:29:49 MET 2001  Jan Hubicka  <jh@suse.cz>
13350
13351         * simplify-rtx.c (cfc_args): add "unordered" field.
13352         (check_fold_consts): Set unordered field.
13353         (simplify_relational_operation): Simplify the unordered
13354         comparisons.
13355
13356         * reg-stack.c (swap_rtx_condition): Ensure that the transformation
13357         is valid.
13358
13359         * emit-rtl.c (try_split): Fix code to mark labels.
13360         * jump.c (mark_jump_label): Make global.
13361         * rtl.h (mark_jump_label): Declare.
13362
13363         * predict.c (estimate_probability): Handle unordred comparisons.
13364
13365 2001-01-05  Neil Booth  <neil@daikokuya.demon.co.uk>
13366
13367         * cpp.texi: Update for -MP.  Clarify behaviour of -MT.
13368         * cppinit.c (initialize_dependency_output):  Update.
13369         (cpp_finish): Output dummy targets for -MP.
13370         (OPT_MP): New.
13371         (cpp_handle_option): Handle -MP.  Don't quote -MT options.
13372         * cpplib.h (struct cpp_options): Add deps_phony_targets.
13373         * gcc.c (cpp_options): Update to handle -MP.
13374         * mkdeps.c (deps_add_target, deps_add_default_target): Update
13375         to quote only the default target.
13376         (deps_phony_targets): Insert a preceding newline.  Rename from
13377         deps_dummy_targets for consistency.
13378         * mkdeps.h: Update
13379
13380 2001-01-05  Alexandre Oliva  <aoliva@redhat.com>
13381
13382         * calls.c (emit_library_call_value_1): Support
13383         INIT_CUMULATIVE_LIBCALL_ARGS.
13384         * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
13385
13386 2001-01-04  Richard Henderson  <rth@redhat.com>
13387
13388         * c-decl.c (finish_struct): Detect flexible array members
13389         used in an inappropriate context.
13390         * c-typeck.c (really_start_incremental_init): Special case
13391         constructor_max_index for zero length arrays.
13392         (pop_init_level): Allow initialization of flexible array
13393         members.  Deprecate initialization of zero length arrays.
13394         Don't issue missing initializer warning for flexible array
13395         members or zero length arrays.
13396         (process_init_element): Don't dereference null DECL_SIZE.
13397         * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
13398         Don't abort for empty constructors.  Use size_binop
13399         (output_constructor): Add commentary regarding zero length
13400         array futures.  Abort if we try to initialize an array of
13401         unspecified length with a non-empty constructor in the middle
13402         of a structure.
13403
13404         * extend.texi (Zero Length): Update and clarify documentation
13405         on static initialization.
13406
13407 2001-01-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
13408
13409         * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
13410         with more than 32767 words of local storage.
13411
13412 2001-01-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
13413
13414         * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
13415         for 'abs', 'labs', and 'fabs'.
13416         (c4x_expand_builtin): Likewise.
13417         * config/c4x/c4x.h (enum c4x_builtins): Likewise.
13418
13419 2001-01-05  Alexandre Oliva  <aoliva@redhat.com>
13420
13421         * config/sh/sh.md (prget, prset): New insn types.
13422         (return delay slot): Dont' allow prset.
13423         (call, sfunc delay slot): Don't allow prget.
13424         (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
13425         for prset and prget.
13426
13427 2001-01-05  Michael Hayes  <mhayes@redhat.com>
13428
13429         * loop.h (struct loop_reg): New.
13430         (struct loop_regs): Change to use array of `struct loop_reg'.
13431         * loop.c: Replace assortment of varrays with single regs array.
13432         (count_one_set): Delete may_not_move array argument
13433         and use regs array instead.  All caller's changed.
13434         (count_loop_regs_set): Delete may_not_move and single_usage
13435         arguments and use regs array instead.  All caller's changed.
13436         (find_single_use_in_loop): Replace usage array argument with pointer
13437         to regs structure.  All caller's changed.
13438         (loop_optimize): Delete `moved_once' array.
13439
13440 2001-01-05  Michael Hayes  <mhayes@redhat.com>
13441
13442         * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
13443         Use it instead of loop_info->has_call for scanning loop mems.
13444         (check_dbra_loop): Replace loop_info->has_call test with
13445         loop_info->has_nonconst_call.
13446
13447 2000-01-04  Matthew Hiller  <hiller@redhat.com>
13448
13449         * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
13450         for TARGET_SH3E.
13451
13452 2001-01-04  Joseph S. Myers  <jsm28@cam.ac.uk>
13453
13454         * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
13455         use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
13456
13457 2001-01-04  Joseph S. Myers  <jsm28@cam.ac.uk>
13458
13459         * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
13460         (flag_short_double, flag_short_wchar): Define.
13461         (c_common_nodes_and_builtins): Create many tree nodes shared
13462         between C and C++ here instead of in cp/decl.c and ...
13463         * c-decl.c (init_decl_processing): ... here.
13464         (SIZE_TYPE, WCHAR_TYPE): Don't define.
13465         (flag_short_double, flag_short_wchar): Don't define.
13466         (record_builtin_type): New function.
13467         (build_void_list_node): New function.
13468         * c-common.h (flag_short_double, flag_short_wchar,
13469         record_builtin_type, build_void_list_node): Declare.
13470
13471 Thu Jan  4 21:09:47 2001  J"orn Rennecke <amylaar@redhat.com>
13472
13473         * integrate.c (expand_inline_function): Don't put a virtual
13474         register into the reg map.
13475
13476         * function.c (fixup_var_refs_1): If force_operand didn't put
13477         the address into the target, move it there.
13478
13479 2001-01-04  Mark Mitchell  <mark@codesourcery.com>
13480
13481         Special-case tree_decl/tree_list allocations.
13482         * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
13483         (OBJECT_SIZE): New macro.
13484         (NUM_EXTRA_ORDER): Likewise.
13485         (extra_order_size_table): New variable.
13486         (NUM_ORDERS): New macro.
13487         (objects_per_page_table): New variable.
13488         (object_size_table): New variable.
13489         (G.pages): Use NUM_ORDERS to bound the array.
13490         (G.page_tails): Likewise.
13491         (DIV_ROUND_UP): Remove.
13492         (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
13493         (alloc_page): Use OBJECT_SIZE.
13494         (size_lookup): Don't make it const.
13495         (ggc_alloc): Use OBJECT_SIZE.
13496         (ggc_set_mark): Likewise.
13497         (ggc_get_size): Likewise.
13498         (init_ggc): Set up the object_size_table, objects_per_page_table,
13499         and adjust size_lookup.
13500         (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
13501         (ggc_pop_context): Use NUM_ORDERS.
13502         (clear_marks): Likewise.
13503         (sweep_pages): Likewise.
13504         (poison_pages): Likewise.
13505         (ggc_print_statistics): Use OBJECT_SIZE.
13506
13507 Thu Jan  4 15:54:05 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13508
13509         * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
13510         Only call array_size_for_constructor if last field and array type
13511         with no upper bound.
13512
13513 2001-01-04  Philip Blundell  <philb@gnu.org>
13514
13515         * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
13516         from bit 31 downwards, if this requires no more insns.
13517         (count_insns_for_constant): New helper function for above.
13518
13519 2001-01-04  Alexandre Oliva  <aoliva@redhat.com>
13520
13521         * gencodes.c (output_predicate_decls): Remove empty initializer.
13522
13523 2001-01-04  Mark Mitchell  <mark@codesourcery.com>
13524
13525         * tree.c (copy_node): Remove documentation about obstacks.
13526         (buidl1): Check that nobody tries to build 2-argument nodes this
13527         way.
13528
13529 2001-01-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13530
13531         * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
13532         fp_high_losum_p.
13533
13534         * gencodes.c (output_predicate_decls): Fill empty initializer
13535         braces.
13536
13537 2001-01-04  Jakub Jelinek  <jakub@redhat.com>
13538
13539         * tradcpp.c (deps_file, print_deps_missing_files): New variables.
13540         (main): Handle -MG, -MD, -MMD.  Bail out if -MG is given without -M
13541         or -MM.
13542         (do_include): Handle missing headers like cpp0.
13543         * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
13544         paths with first include pathname.  Don't strcat to uninitialized
13545         string.
13546
13547 2001-01-04  Bernd Schmidt  <bernds@redhat.com>
13548
13549         * regrename.c (regrename_optimize): Don't rename from frame pointer
13550         if frame_pointer_needed.
13551         (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
13552         * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
13553         (ia64_reorg): Use it instead of scheduling if ! optimize.
13554         (errata_emit_nops): Properly call asm_noperands.
13555         (ia64_sched_reorder): Finish cycle if we see an asm.
13556         (ia64_variable_issue): Clear scheduling state after asms.
13557
13558 2001-01-04  Neil Booth  <neil@daikokuya.demon.co.uk>
13559
13560         * cpp.texi: Update for -MT.
13561         * cppinit.c (initialize_dependency_output): Add a default
13562         target if none has been given already.
13563         (no_tgt, OPT_MT): New.
13564         (cpp_handle_option): Handle -MT.  Update -M etc.
13565         * cpplib.h (struct cpp_options): Remove deps_target.
13566         * gcc.c (cpp_options): Handle -MT.
13567         * mkdeps.c (struct deps): Move from mkdeps.h.
13568         (deps_calc_target): Rename deps_add_default_target.  Add a
13569         default target if none has been specified already.
13570         * mkdeps.h (struct deps): Move to mkdeps.c.
13571         (deps_calc_target): Rename deps_add_default_target.
13572
13573 2000-01-03  Richard Henderson  <rth@redhat.com>
13574
13575         * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
13576         Remove dead code.
13577         * c-typeck.c (push_init_level): Move checks for flexible array
13578         members and zero length arrays ...
13579         (pop_init_level): ... here.  Silently discard empty initializations.
13580         Remove dead code.
13581         * varasm.c (output_constructor): Update for sizeof change to
13582         zero-length arrays.
13583
13584         * extend.texi (Zero Length): Clarify semantics.
13585
13586 2001-01-03  Alexandre Oliva  <aoliva@redhat.com>
13587
13588         * configure.in (tm.h): Include isns-codes.h last.
13589         * configure: Rebuilt.
13590
13591 2001-01-03  Richard Henderson  <rth@redhat.com>
13592
13593         * config/alpha/alpha.md (addvsi3, addvdi3): New.
13594         (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
13595
13596 2001-01-03  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
13597
13598         * tradcpp.c (main): Make sure finclude() is called with a valid
13599         indepth value while handling -include.
13600
13601 2001-01-03  Alexandre Oliva  <aoliva@redhat.com>
13602
13603         * gencodes.c (output_predicate_decls): New function.
13604         (main): Call it.
13605         * machmode.h (GET_MODE_MASK): Arrange for it to be defined
13606         even if it is not the first time machmode.h is #included.
13607         * config/sh/sh.c (fpul_operand): Declare MODE argument.
13608         * tm.texi (PREDICATE_CODES): Document predicate declarations.
13609         * gcc.texi (Copyright): Added 2001.
13610
13611 2001-01-03  Joseph S. Myers  <jsm28@cam.ac.uk>
13612
13613         * c-common.c (c_common_lang_init): New function.  Warn if format
13614         warning options which only have effects when used with -Wformat
13615         are used without -Wformat.
13616         * c-common.h (c_common_lang_init): Declare.
13617         * c-lang.c (lang_init): Call c_common_lang_init.
13618         * objc/objc-act.c (lang_init): Call c_common_lang_init.
13619
13620 2001-01-03  Joseph S. Myers  <jsm28@cam.ac.uk>
13621
13622         * configure.in: Check for the mktemp command.
13623         * configure: Regenerate.
13624         * gccbug.in: Use a separate temporary file $TEMP0 for one use of
13625         $TEMP.  Create temporary files with mktemp, if available at
13626         configure time; otherwise use set -C.  Remove temporary files
13627         before exit.
13628
13629 2001-01-03  Joseph S. Myers  <jsm28@cam.ac.uk>
13630
13631         * configure.in: Require at least texinfo 4.0.  Check for whether
13632         Pod::Man is sufficiently recent to regenerate GCC manpages.
13633         * configure:  Regenerate.
13634         * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
13635         on #!.
13636         (GENERATED_MANPAGES): Define.
13637         (generated-manpages): New target.  Depend on cpp.1 as well as
13638         gcov.1.
13639         (install-man): Depend on $(GENERATED_MANPAGES) (defined by
13640         configure to generated-manpages or empty) rather than on the
13641         manpages directly.  Remove execute permission from installed
13642         gcov.1 as well as cpp.1.
13643         * cpp.1, gcov.1: Regenerate.
13644
13645 2001-01-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13646
13647         * builtins.c (expand_builtin_strncmp): Use host_integerp and
13648         tree_low_cst.  Allow using cmpstrsi in more cases.
13649
13650 Wed Jan  3 10:48:43 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13651
13652         * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
13653         sized types.
13654
13655 Wed Jan  3 12:22:32 2001  Alexandre Oliva  <aoliva@redhat.com>
13656
13657         * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
13658         * Makefile.in (HOST_CFLAGS): Mention build-make.
13659
13660 Wed Jan  3 08:53:50 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13661
13662         * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
13663         as JUMP_INSN.
13664
13665 2001-01-01  Bernd Schmidt  <bernds@redhat.com>
13666
13667         * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
13668         a REG rtx.
13669
13670         * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg.  All
13671         callers changed.
13672
13673         * alias.c (throughout): Use ORIGINAL_REGNO when accessing
13674         reg_base_value and reg_known_value arrays.
13675         (init_alias_analysis): Add more cases to detect known values.
13676         * sched-deps.c (deps_may_trap_p): New function.
13677         (sched_analyze_2): Use it.
13678
13679 2001-01-03  Alexandre Oliva  <aoliva@redhat.com>
13680
13681         * combine.c (simplify_shift_const): Even if we're sign-extracting,
13682         don't discard an ASHIFTRT if we're shifting in a wider mode.
13683
13684 2000-01-02  John David Anglin  <dave@hiauly1.hia.nrc.ca>
13685
13686         * toplev.c (rest_of_compilation): Don't print basic block information
13687         when CFG isn't up to date.
13688
13689 2001-01-02  Mark Elbrecht  <snowball3@bigfoot.com>
13690
13691         * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
13692         (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
13693         (UNALIGNED_SHORT_ASM_OP): Define.
13694         (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
13695
13696 2001-01-02  Mark Mitchell  <mark@codesourcery.com>
13697
13698         * fold-const.c (fold_convert): Fix typo.
13699
13700 2001-01-02  Richard Henderson  <rth@redhat.com>
13701
13702         * c-common.h (ASM_INPUT_P): New.
13703         * c-parse.in (asm): Set it when needed.
13704         * c-semantics.c (genrtl_asm_stmt): Test it instead of the
13705         existance of an operand.
13706
13707 Tue Jan  2 20:27:07 MET 2001  Jan Hubicka  <jh@suse.cz>
13708
13709         * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
13710         (dwarf2out_frame_debug_expr): Likewise.
13711         (mem_loc_descriptor): Handle PRE and POST_MODIFY.
13712
13713 Tue Jan  2 20:21:31 MET 2001  Jan Hubicka  <jh@suse.cz>
13714
13715         * i386.c (ix86_split_to_parts): Return number of part required;
13716         handle TFmodes.
13717         (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
13718         TFmodes.
13719         (ix86_split_long_move): Use number of part returned
13720         by ix86_split_to_parts
13721         * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
13722         New macros.
13723         (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
13724         (LONG_DOUBLE_TYPE_SIZE): Change from constant.
13725         (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
13726         (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
13727         (ALIGN_MODE_128): Add TFmode.
13728         (IS_STACK_MODE): Likewise.
13729         (HARD_REGNO_NREGS): TFmode needs 3 registers.
13730         (HARD_REGNO_OK): Support TFmodes.
13731         (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
13732         * i386.md (scheduler definitions): Use memory operand to determine
13733         fst/fld instructions; use mode attribute to determine real mode of
13734         the instruction.
13735         (*tf): New patterns, expanders and splitters; based on XFmode patterns.
13736         * invoke.texi (128bit-long-double, 96bit-long-double): Document.
13737
13738 2001-01-02  Mark Mitchell  <mark@codesourcery.com>
13739
13740         * tree.def (TRUTH_NOT_EXPR): Improve documentation.
13741
13742 Tue Jan  2 10:47:38 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.
13743
13744         * expr.c (store_constructor_field): Update ALIGN before calling
13745         store_constructor.
13746
13747 2001-01-02  Jeffrey Oldham  <oldham@codesourcery.com>
13748
13749         * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
13750         host_integerp.
13751
13752 2001-01-02  Jeffrey Oldham  <oldham@codesourcery.com>
13753
13754         * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
13755         incomplete type.
13756
13757 Tue Jan  2 10:47:38 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.
13758
13759         * c-decl.c (start_function): Don't warn on third parameter to main.
13760
13761 2001-01-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13762
13763         * tsystem.h: Define HAVE_DECL_GETOPT.
13764
13765 2001-01-02  Philip Blundell  <pb@futuretv.com>
13766
13767         * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
13768         of input operand.
13769
13770 2001-01-02  Richard Henderson  <rth@redhat.com>
13771
13772         * alpha.md (*ze_and_ne): Duplicate insn condition to split.
13773
13774 2001-01-02  Andreas Jaeger  <aj@suse.de>
13775
13776         * c-decl.c (c_decode_option): Remove support of
13777         -Wmissing-noreturn.
13778
13779         * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
13780         (W_options): Add -Wmissing-noreturn here.
13781
13782         * flow.c: Define lang_missing_noreturn_ok_p.
13783         (check_function_return_warnings): Use it.
13784
13785         * c-common.h: Declare lang_missing_noreturn_ok_p.
13786
13787         * c-lang.c (c_missing_noreturn_ok_p): New function.
13788         (lang_init): Set lang_missing_noreturn_ok_p.
13789
13790         * invoke.texi (Warning Options): Document this.
13791
13792 2000-12-27  Phil Edwards  <pme@sources.redhat.com>
13793
13794         * extend.texi (C++ Extensions):  New node for C++ attributes;
13795         describe init_priority and com_interface.
13796         * invoke.texi:  Remove -finit-priority as it now has zero effect.
13797         * install.texi:  Fix xref syntax.
13798         * md.texi:  Likewise.
13799
13800 Mon Jan  1 21:28:29 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13801
13802         * config.gcc (sparc64-wrs-vxworks*): New case.
13803         * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
13804
13805         * config/sparc/sparc.c (sparc_override_options): Do support different
13806         pointer and architecture size.
13807         * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
13808         (POINTERS_EXTEND_UNSIGNED): Define.
13809         (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
13810         (FUNCTION_MODE): Define to be Pmode.
13811         * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
13812
13813         * function.c (expand_function_end): Properly handle DECL_RESULT
13814         and copy when ptr_mode != Pmode.
13815         * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
13816
13817 2001-01-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13818
13819         * c-common.c (c_common_nodes_and_builtins): Set prototype
13820         parameters for __builtin_fputs, __builtin_fputc and
13821         __builtin_fwrite.  Don't declare plain fputc as a builtin.
13822
13823 2001-01-01  John David Anglin  <dave@hiauly1.hia.nrc.ca>
13824
13825         * loop.c (add_label_notes): Increment the label usage count when
13826         a note is added to an insn which refers to a CODE_LABEL.
13827         * gcse.c (add_label_notes): Likewise.
13828
13829 2001-01-01  Andreas Jaeger  <aj@suse.de>
13830
13831         * loop.c (scan_loop): Use xmalloc to allocate movables.
13832
13833 2001-01-01  Alexandre Oliva  <aoliva@redhat.com>
13834
13835         * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
13836         * reload.c (REGISTER_MOVE_COST): Likewise.  Adjust all callers.
13837         * reload1.c (REGISTER_MOVE_COST): Likewise.
13838         * regclass.c (REGISTER_MOVE_COST): Likewise.
13839         (move_cost, may_move_in_cost, may_move_out_cost): Add mode
13840         dimension.  Adjust all users.
13841         (init_reg_sets_1): Iterate on all modes.
13842         * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
13843         * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
13844         * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
13845         * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
13846         * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
13847         * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
13848         * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
13849         * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
13850         * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
13851         * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
13852         * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
13853         * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
13854         * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
13855         * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
13856         * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
13857         * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
13858         * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
13859         * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
13860         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
13861         * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
13862         * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
13863         * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
13864         * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
13865         * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
13866         * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
13867         * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
13868         * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
13869
13870 2001-01-01  Bernd Schmidt  <bernds@redhat.com>
13871
13872         * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
13873         arg VARIES_P.  Call it with extra arg.
13874         (true_dependence): Likewise.
13875         * rtl.h (rtx_addr_can_trap_p): Declare.
13876         (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
13877         prototypes.
13878         * rtlanal.c (rtx_addr_can_trap_p): No longer static.
13879         (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
13880         pic offset table register if it's zero.  All callers changed.
13881         (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
13882
13883 Mon Jan  1 07:38:33 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13884
13885         * explow.c (convert_memory_address, case SYMBOL_REF): Copy
13886         STRING_POOL_ADDRESS_P.
13887
13888         * config/sparc/sparc.c (input_operand): Properly test for short op.
13889
13890         * config.gcc (sparc-*-elf): Include sparc/sol2.h.
13891         (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
13892         (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
13893         * config/sparc/elf.h: No longer include sol2.h.
13894         * config/sparc/lifeelf.h: No longer include sparc/elf.h.
13895         * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
13896
13897         * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
13898
13899 2001-01-01  Michael Hayes  <mhayes@redhat.com>
13900
13901         * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
13902         (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
13903         (record_initial): Likewise.
13904         * unroll.c (copy_loop_body, loop_iterations): Likewise.
13905         (remap_split_bivs): Likewise.
13906
13907 2001-01-01  Michael Hayes  <mhayes@redhat.com>
13908
13909         * loop.c (loop_ivs_free): New function.
13910         (strength_reduce): Break out from...
13911
13912 2001-01-01  Michael Hayes  <mhayes@redhat.com>
13913
13914         * loop.h (struct iv): New.
13915         (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
13916         (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
13917         'reg_biv_class' fields with 'regs' and 'n_regs'.
13918         (struct ivs): Rename 'loop_iv_list' field to 'list'.
13919         * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
13920         * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
13921
13922 2000-12-31  Alexandre Oliva  <aoliva@redhat.com>
13923
13924         * resource.c (mark_referenced_resources): Abort() before
13925         attempting to mark a pseudo register.
13926         (mark_set_resources): Likewise.
13927
13928 2001-01-01  Michael Hayes  <mhayes@redhat.com>
13929
13930         * loop.h (REG_IV_CLASS): New accessor macro.
13931         * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
13932         * unroll.c (REG_IV_CLASS): Likewise.
13933
13934 See ChangeLog.4 for earlier changes.