gcc/ChangeLog

   1 2002-04-30  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
   2
   3         * doc/contrib.texi (Contributors): Use MIPS instead of Mips and
   4         mips.  Add two missing commas.
   5
   6 2002-04-30  Paolo Carlini  <pcarlini@unitus.it>
   7
   8         * doc/contrib.texi (Contributors): Update Paolo Carlini's
   9         and Benjamin Kosnik's entries.
  10
  11 2002-04-29  David S. Miller  <davem@redhat.com>
  12
  13         * config/sparc/sparc.h (BRANCH_COST, PREFETCH_BLOCK,
  14         SIMULTANEOUS_PREFETCHES): Tune for UltraSPARC-III.
  15         * config/sparc/sparc.md (call + jmp 32-bit peepholes): Likewise.
  16         * config/sparc/sparc.c (sparc_initialize_trampoline): Likewise.
  17
  18 2002-04-29  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
  19
  20         * combine.c (find_split_point): Use gen_int_mode.
  21
  22 2002-04-29  Vladimir Makarov  <vmakarov@redhat.com>
  23
  24         Merging code from dfa-branch:
  25
  26         2002-04-24  Vladimir Makarov  <vmakarov@redhat.com>
  27
  28         * genautomata.c (output_reserv_sets): Fix typo.
  29
  30         2002-04-23  Vladimir Makarov  <vmakarov@redhat.com>
  31
  32         * genautomata.c (output_reserv_sets): Remove
  33         next_cycle_output_flag.
  34
  35         Thu Apr 18 08:57:06 2002  Jeffrey A Law  (law@redhat.com)
  36
  37         * sched-rgn.c (init_ready_list): Make the DFA code handle
  38         USE/CLOBBER insns in the same way as the traditional
  39         scheduler.
  40         (new_ready): Similarly..
  41
  42         2002-04-17  Vladimir Makarov  <vmakarov@redhat.com>
  43
  44         * haifa-sched.c (schedule_block): Change the DFA state only after
  45         issuing insn.
  46
  47         Wed Apr 17 15:38:36 2002  Jeffrey A Law  (law@redhat.com)
  48
  49         * pa.c (hppa_use_dfa_pipeline_interface): New function.
  50         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define.
  51         (override_options): Add PA7300 scheduling support.
  52         (pa_adjust_cost): Update various comments.  Properly
  53         handle anti and output dependencies when using the
  54         DFA scheduler.
  55         (pa_issue_rate): Add PA7300 scheduling support.
  56         (pa_can_combine_p): Call extract_insn before calling
  57         constrain_operands (taken from mainline tree).
  58         * pa.h (enum processor_type): Add PROCESSOR_PA7300.
  59         * pa.md (cpu attr): Add 7300.  Rewrite pipeline
  60         descriptions using DFA descriptions.  Add PA7300
  61         scheduling support.
  62
  63         2002-03-30  David S. Miller  <davem@redhat.com>
  64
  65         Add UltraSPARC-III DFA scheduling support.
  66         * config/sparc/sparc.md (define_attr type): Add fpcrmove.
  67         Update FP conditional move on register insn patterns to use it, as
  68         appropriate.
  69         (define_attr cpu): Add ultrasparc3.
  70         (define_attr us3load_type): New, update integer load patterns to
  71         set it, as appropriate.
  72         (define_automaton): Add ultrasparc3_0 and ultrasparc3_1.
  73         (rest): Add UltraSPARC3 scheduling description.
  74         * config/sparc/sparc.h (TARGET_CPU_ultrasparc3): New.
  75         (PROCESSOR_ULTRASPARC3): New.
  76         ({ASM,CPP}_CPU64_DEFAULT_SPEC): Handle ultrasparc3.
  77         ({ASM,CPP}_CPU_SPEC): Likewise.
  78         (REGISTER_MOVE_COST): Likewise.
  79         (RTX_COSTS): Likewise.
  80         * config/sparc/sparc.c (sparc_override_options,
  81         sparc_initialize_trampoline, sparc64_initialize_trampoline,
  82         sparc_use_dfa_pipeline_interface, sparc_use_sched_lookahead,
  83         sparc_issue_rate): Likewise.
  84         * config/sparc/sol2.h: Likewise.
  85         * config/sparc/sol2-sld-64.h: Likewise.
  86         * config/sparc/linux64.h: Likewise.
  87
  88         2002-03-22  Vladimir Makarov  <vmakarov@redhat.com>
  89
  90         * doc/md.texi: Add comments about usage the latency time for the
  91         different dependencies and about case when two or more conditions
  92         in different define_insn_reservations returns TRUE for an insn.
  93
  94         * doc/md.texi: Add reference for automaton based pipeline
  95         description.
  96
  97         2002-03-04  Vladimir Makarov  <vmakarov@redhat.com>
  98
  99         * doc/passes.texi: Add missed information about genattrtab.
 100
 101         2002-03-01  Vladimir Makarov  <vmakarov@redhat.com>
 102
 103         * genautomata.c (output_automata_list_transition_code): Check
 104         automata_list on NULL.
 105
 106         2002-02-28  Vladimir Makarov  <vmakarov@redhat.com>
 107
 108         * genautomata.c (output_insn_code_cases,
 109         output_automata_list_min_issue_delay_code,
 110         output_automata_list_transition_code,
 111         output_automata_list_state_alts_code): Comment the functions.
 112
 113         2002-02-22  Vladimir Makarov  <vmakarov@redhat.com>
 114
 115         * genautomata.c (automata_list_el_t): New typedef.
 116         (get_free_automata_list_el,free_automata_list_el,
 117         free_automata_list, automata_list_hash, automata_list_eq_p,
 118         initiate_automata_lists, automata_list_start, automata_list_add,
 119         automata_list_finish, finish_automata_lists,
 120         output_insn_code_cases, output_automata_list_min_issue_delay_code,
 121         output_automata_list_transition_code,
 122         output_automata_list_state_alts_code, add_automaton_state,
 123         form_important_insn_automata_lists): New functions and prototypes.
 124         (insn_reserv_decl): Add members important_automata_list and
 125         processed_p.
 126         (ainsn): Add members important_p.
 127         (automata_list_el): New structure.
 128         (first_free_automata_list_el, current_automata_list,
 129         automata_list_table): New global variables.
 130         (create_ainsns): Initiate member important_p.
 131         (output_internal_min_issue_delay_func): Generate the switch and
 132         call output_insn_code_cases.
 133         (output_internal_trans_func, output_internal_state_alts_func):
 134         Ditto.
 135         (generate): Call initiate_automata_lists.
 136         (automaton_states): New global variable.
 137         (expand_automata): Call form_important_insn_automata_lists.
 138         (write_automata): Call finish_automata_lists.
 139
 140         2002-02-21  Vladimir Makarov  <vmakarov@redhat.com>
 141
 142         * genautomata.c (add_excls, add_presence_absence): Check that
 143         cpu units in the sets belong the same automaton.
 144
 145         * rtl.def (EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET): Add comment
 146         about that cpu units in the sets belong the same automaton.
 147
 148         * doc/md.texi: Ditto.
 149
 150         2001-12-20  Naveen Sharma  <naveens@noida.hcltech.com>
 151                     Nitin Gupta  <niting@noida.hcltech.com>
 152
 153         * config/sh/sh.c (sh_use_dfa_interface): New function.
 154
 155         (sh_issue_rate): New Function.
 156         TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE: define.
 157         TARGET_SCHED_ISSUE_RATE: define.
 158
 159         * config/sh/sh.md: Add DFA based pipeline description for SH4.
 160
 161         (define_attr insn_class): New attribute used for DFA
 162          scheduling.
 163         (define_insn cmpgtsi_t): Set attribute insn_class mt_group.
 164         (cmpgesi_t,cmpgtusi_t,cmpgeusi_t,cmpeqsi_t,
 165          cmpeqdi_t): Likewise.
 166
 167         (add,addc1,addsi3,subc,subc1,*subsi3_internal,
 168          negc,negsi2,ashldi3_k,lshrdi3_k,ashrdi3_k): Set insn_class
 169          ex_group.
 170         (iorsi3,rotlsi3_1,rotlsi3_31,rotlsi3_16): Likewise.
 171
 172         2001-10-03  Vladimir Makarov  <vmakarov@toke.toronto.redhat.com>
 173
 174         * haifa-sched.c (queue_to_ready): Remove unnecessary condition for
 175         break.
 176
 177         2001-10-03  Vladimir Makarov  <vmakarov@toke.toronto.redhat.com>
 178
 179         * genautomata.c (DFA_INSN_CODES_LENGTH_VARIABLE_NAME): New macro.
 180         (output_dfa_insn_code_func): Expand dfa_insn_codes if it is
 181         necessary.
 182         (output_dfa_start_func): Initiate new variable insn_codes_length,
 183         (write_automata): Output definition of the new variable.
 184
 185         2001-10-02  David S. Miller  <davem@redhat.com>
 186
 187         * haifa-sched.c (advance_one_cycle): New function.
 188         (schedule_block): Use it.
 189         (queue_to_ready): Use it, and also make sure to advance the DFA
 190         state on all stall cycles, not just those where insn_queue links
 191         are found.
 192
 193         2001-10-02  Richard Sandiford  <rsandifo@redhat.com>
 194
 195         * haifa-sched.c (max_issue): Remove last_p argument.  Only return
 196         non-zero if the highest-priority instruction could be scheduled.
 197         (choose_ready): Remove last argument from max_issue call.
 198
 199         2001-09-28  David S. Miller  <davem@redhat.com>
 200
 201         * config/sparc/sparc.c (sparc_use_sched_lookahead): Use 4 for
 202         ultrasparc and 3 for other multi-issue sparcs.
 203
 204         2001-09-27  David S. Miller  <davem@redhat.com>
 205
 206         * config/sparc/sparc.md (cycle_display): New pattern.
 207         * config/sparc/sparc.c (sparc_cycle_display): New.
 208         (TARGET_SCHED_CYCLE_DISPLAY): Set it.
 209
 210         2001-09-25  David S. Miller  <davem@redhat.com>
 211
 212         Convert all of Sparc scheduling to DFA
 213         * config/sparc/sparc.md: Kill all define_function_unit
 214         directives and replace with DFA equivalent.
 215         * config/sparc/sparc.c (ultrasparc_adjust_cost,
 216         mark_ultrasparc_pipeline_state, ultra_cmove_results_ready_p,
 217         ultra_fpmode_conflict_exists, ultra_find_type,
 218         ultra_build_types_avail, ultra_flush_pipeline,
 219         ultra_rescan_pipeline_state, ultrasparc_sched_reorder,
 220         ultrasparc_variable_issue, ultrasparc_sched_init,
 221         sparc_variable_issue, sparc_sched_reorder, ultra_code_from_mask,
 222         ultra_schedule_insn, ultra_code_names, ultra_pipe_hist,
 223         ultra_cur_hist, ultra_cycles_elapsed): Kill.
 224         (sparc_use_dfa_pipeline_interface, sparc_use_sched_lookahead,
 225         ultrasparc_store_bypass_p): New.
 226         * config/sparc/sparc-protos.h (ultrasparc_store_bypass_p):
 227         Declare.
 228
 229         2001-09-24  David S. Miller  <davem@redhat.com>
 230
 231         * haifa-sched.c (ready_remove): Fix thinko, we want to copy around
 232         ready->vec[foo] not ready[foo].
 233
 234         2001-09-07  Vladimir Makarov  <vmakarov@redhat.com>
 235
 236         * doc/md.texi: Correct examples for define_insn_reservations
 237         `mult' and `div'.
 238
 239         2001-09-07  Vladimir Makarov  <vmakarov@redhat.com>
 240
 241         * genautomata.c (create_automata): Print message about creation of
 242         each automaton.
 243         (generate): Remove printing meease about creation of
 244         automata.
 245
 246         2001-09-05  David S. Miller  <davem@redhat.com>
 247
 248         * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
 249         * config/sparc/linux64.h: Likewise.
 250
 251         2001-08-31  Vladimir Makarov  <vmakarov@redhat.com>
 252
 253         * haifa-sched.c (insn_cost, schedule_insn, queue_to_ready,
 254         schedule_block, sched_init, sched_finish): Add missed calls of
 255         use_dfa_pipeline_interface.
 256
 257         * sched-rgn.c (init_ready_list, new_ready, debug_dependencies):
 258         Ditto.
 259
 260         * sched-vis.c (get_visual_tbl_length): Ditto.
 261
 262         2001-08-27  Richard Henderson  <rth@redhat.com>
 263
 264         * genattr.c (main): Emit state_t even when not doing scheduling.
 265
 266         2001-08-27  Richard Henderson  <rth@redhat.com>
 267
 268         * genautomata.c (expand_automata): Always create a description.
 269
 270         2001-08-27  Vladimir Makarov  <vmakarov@touchme.toronto.redhat.com>
 271
 272         * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
 273         PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
 274         AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
 275         RTL constructions.
 276
 277         * genattr.c (main): New variable num_insn_reservations.  Increase
 278         it if there is DEFINE_INSN_RESERVATION.  Output automaton based
 279         pipeline hazard recognizer interface.
 280
 281         * genattrtab.h: New file.
 282
 283         * genattrtab.c: Include genattrtab.h.
 284         (attr_printf, check_attr_test, make_internal_attr,
 285         make_numeric_value): Move protypes into genattrtab.h.  Define them
 286         as external.
 287         (num_dfa_decls): New global variable.
 288         (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
 289         DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
 290         DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
 291         DEFINE_INSN_RESERVATION.  Call expand_automata and write_automata.
 292
 293         * genautomata.c: New file.
 294
 295         * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
 296
 297         * sched-int.h: (curr_state): Add the external definition for
 298         automaton pipeline interface.
 299         (haifa_insn_data): Add comments for members blockage and units.
 300
 301         * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
 302         TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
 303         TARGET_SCHED_DFA_PRE_CYCLE_INSN,
 304         TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
 305         TARGET_SCHED_DFA_POST_CYCLE_INSN,
 306         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
 307         TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
 308         macros.
 309         (TARGET_SCHED): Use the new macros.
 310
 311         * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
 312         dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
 313         first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
 314         dfa_bubble): New members in gcc_target.sched.
 315
 316         * haifa-sched.c (insert_schedule_bubbles_p): New variable.
 317         (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
 318         (insn_queue): Redefine it as pointer to array.
 319         (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
 320         INSN_QUEUE_SIZE.
 321         (max_insn_queue_index_macro_value): New variable.
 322         (curr_state, dfa_state_size, ready_try): New varaibles for
 323         automaton interface.
 324         (ready_element, ready_remove, max_issue): New function prototypes
 325         for automaton interface.
 326         (choose_ready): New function prototype.
 327         (insn_unit, blockage_range): Add comments.
 328         (unit_last_insn, unit_tick, unit_n_insns): Define them for case
 329         FUNCTION_UNITS_SIZE == 0.
 330         (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
 331         actual_hazard, potential_hazard): Add comments.
 332         (insn_cost): Use cost -1 as undefined value.  Remove
 333         LINK_COST_ZERO and LINK_COST_FREE.  Add new code for automaton
 334         pipeline interface.
 335         (ready_element, ready_remove): New functions for automaton
 336         interface.
 337         (schedule_insn): Add new code for automaton pipeline interface.
 338         (queue_to_ready): Add new code for automaton pipeline interface.
 339         Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
 340         (debug_ready_list): Print newline when the queue is empty.
 341         (max_issue): New function for automaton pipeline interface.
 342         (choose_ready): New function.
 343         (schedule_block): Add new code for automaton pipeline interface.
 344         Print ready list before scheduling each insn.
 345         (sched_init): Add new code for automaton pipeline interface.
 346         Initiate insn cost by -1.
 347         (sched_finish): Free the current automaton state and finalize
 348         automaton pipeline interface.
 349
 350         * sched-rgn.c: Include target.h.
 351         (init_ready_list, new_ready, debug_dependencies): Add new code for
 352         automaton pipeline interface.
 353
 354         * sched-vis.c: Include target.h.
 355         (get_visual_tbl_length): Add code for automaton interface.
 356         (target_units, print_block_visualization):  Add comments.
 357
 358         * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
 359         USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
 360         (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
 361         (getruntime.o, genautomata.o): New entries.
 362         (genattrtab.o): Add new dependency file genattrtab.h.
 363         (genattrtab): Add new dependencies.  Link it with `libm.a'.
 364         (getruntime.o, hashtab.o): New entries for canadian cross.
 365
 366         * doc/md.texi: Description of automaton based model.
 367
 368         * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
 369         Add comments.
 370         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
 371         TARGET_SCHED_DFA_PRE_CYCLE_INSN,
 372         TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
 373         TARGET_SCHED_DFA_POST_CYCLE_INSN,
 374         TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
 375         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
 376         TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
 377         hook descriptions.
 378         (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
 379         MAX_DFA_ISSUE_RATE): New macro descriptions.
 380
 381         * doc/contrib.texi: Add dfa based scheduler contribution.
 382
 383         * doc/gcc.texi: Add more information about genattrtab.
 384
 385 Mon Apr 29 17:19:10 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 386
 387         * reload1.c (eliminate_regs, case SUBREG): Fix typo in
 388         adjust_address_nv call.
 389
 390 2002-04-29  Janis Johnson  <janis187@us.ibm.com>
 391
 392         * doc/install.texi (Testing): Provide additional information, and
 393         a stronger encouragement, for running the testsuites.
 394
 395 2002-04-29  DJ Delorie  <dj@redhat.com>
 396
 397         * config/mips/mips.c (mips_parse_cpu): Warn if the CPU name is
 398         given in upper case.
 399
 400 2002-04-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 401
 402         * fixinc/inclhack.def (solaris_widec): Include <wchar.h> in
 403         Solaris 2 <widec.h> if missing.
 404         * fixinc/fixincl.x: Regenerate.
 405         * fixinc/tests/base/widec.h: New file.
 406
 407 2002-04-29  Nick Clifton  <nickc@cambridge.redhat.com>
 408
 409         * toplev.c (f_options): Add "profile" switch so that
 410         -fno-profile can be used to disable -p.
 411
 412 2002-04-29  Bernd Schmidt  <bernds@redhat.com>
 413
 414         * c-common.c (type_for_mode): Add support for V2DFmode, V2DImode,
 415         UV2DImode.
 416         * tree.c (build_common_tree_nodes_2): Likewise.
 417         * tree.h (enum tree_index): Likewise.
 418         (V2DF_type_node, V2DI_type_node, unsigned_V2DI_type_node): Define.
 419
 420         * config/i386/i386.c (bdesc_comi, bdesc_2arg, bdesc_1arg): Add SSE2
 421         entries.
 422         (init_mmx_sse_builtins): Initialize SSE2 builtins.
 423         (ix86_expand_builtin): Add support for SSE2 builtins.
 424         * config/i386/i386.h (VALID_SSE2_REG_MODE): New macro.
 425         (VALID_SSE_REG_MODE): Use it.
 426         (VECTOR_MODE_SUPPORTED_P): Allow SSE2 modes here as well.
 427         (enum ix86_builtins): Add SSE2 builtins.
 428         * config/i386/i386.md (movv2df_internal, movv2df, movv8hi_internal,
 429         movv8hi, movv16qi_internal, movv16qi, pushv2df, pushv8hi, pushv16qi,
 430         addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3, vmmulv2df3,
 431         divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3, vmsminv2df3,
 432         sse2_anddf3, sse2_nanddf3, sse2_iordf3, sse2_xordf3, sqrtv2df2,
 433         vmsqrtv2df2, maskcmpv2df3, maskncmpv2df3, vmmaskcmpv2df3,
 434         vmmaskncmpv2df3, sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb,
 435         sse2_maskmovdqu, sse2_movntv2df, sse2_movntti, sse2_movntsi, cvtdq2ps,
 436         cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq, cvtpd2pi,
 437         cvttpd2pi, cvtpi2pd, cvtsd2si, cvttsd2si, cvtsi2sd, cvtsd2ss,
 438         cvtss2sd, cvtpd2ps, cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3,
 439         ssaddv16qi3, ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3,
 440         subv4si3, subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3,
 441         mulv8hi3, smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
 442         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_clrti, sse2_uavgv16qi3,
 443         sse2_uavgv8hi3, sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd,
 444         sse2_pshuflw, sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3,
 445         gtv8hi3, gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3,
 446         ashrv8hi3, ashrv4si3, lshrv8hi3, lshrv4si3, sse2_lshrv2di3,
 447         ashlv8hi3, ashlv4si3, sse2_ashlv2di3, sse2_ashlti3, sse2_lshrti3,
 448         sse2_unpckhpd, sse2_unpcklpd, sse2_packsswb, sse2_packssdw,
 449         sse2_packuswb, sse2_punpckhbw, sse2_punpckhwd, sse2_punpckhdq,
 450         sse2_punpcklbw, sse2_punpcklwd, sse2_punpckldq, sse2_movapd,
 451         sse2_movupd, sse2_movdqa, sse2_movdqu, sse2_movdq2q, sse2_movq2dq,
 452         sse2_movhpd, sse2_movlpd, sse2_loadsd, sse2_movsd, sse2_storesd,
 453         sse2_shufpd, sse2_clflush, sse2_mfence, mfence_insn, sse2_lfence,
 454         lfence_insn): New patterns.
 455         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Renamed from
 456         sse_andti3_sse2, sse_nandti3_sse2, sse_iorti3_sse2, sse_xorti3_sse2.
 457
 458 Mon Apr 29 17:03:24 CEST 2002  Jan Hubicka  <jh@suse.cz>
 459
 460         * i386.md (sse_mov?fcc*): Revert patch of Mar 14th.
 461
 462 2002-04-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 463
 464         * doc/contrib.texi (Contributors): Add Paolo Carlini and
 465         Janis Johnson.
 466         Update Richard Henderson, Jakub Jelinek, and Mark Mitchell.
 467         Refer to Objective-C instead of ObjC, SPARC instead of sparc,
 468         and CPU instead of cpu.
 469
 470 Mon Apr 29 13:36:41 CEST 2002  Jan Hubicka  <jh@suse.cz>
 471
 472         * toplev.c (flag_if_conversion, flag_if_conversion2): New static
 473         variables.
 474         (lang_independent_options): Add -fif-conversion, -fif-conversion2
 475         (rest_of_compilation): Do if conversion only when asked for.
 476         (parse_options_and_default_flags): Set new variables to 1 for -O1
 477         * invoke.texi (-fif-conversion, -fif-conversion2): Document.
 478
 479 Mon Apr 29 13:02:50 CEST 2002  Jan Hubicka  <jh@suse.cz>
 480
 481         * i386.c (dbx64_register_map): Fix typo.
 482
 483 Mon Apr 29 12:18:35 CEST 2002  Jan Hubicka  <jh@suse.cz>
 484
 485         * predict.c (real_zero, real_one, real_almost_one, real_br_prob_base,
 486         real_one_half, real_bb_freq_max): New static variables.
 487         (debug_profile_bbauxs): Kill.
 488         (process_note_predictions): Kill unused variable.
 489         (block_info_def, edge_info_def): Use REAL_VALUE_TYPE instead of
 490         volatile double.
 491         (propagate_freq): Use REAL_ARITHMETICS.
 492         (estimate_bb_frequencies): Likevise; init new static variables.
 493         * Makefile.in (predict.o): Add dependency on real.h
 494
 495 2002-04-28  David S. Miller  <davem@redhat.com>
 496
 497         PR target/6500
 498         * config/sparc/sparc.md (prefetch): Emit properly for 32-bit vs.
 499         64-bit TARGET_V9.  Do not use prefetch page, use prefetch for
 500         several {reads,writes} instead.
 501         * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
 502         Define.
 503
 504 2002-04-27  David S. Miller  <davem@redhat.com>
 505
 506         PR target/6494
 507         * config/sparc/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Be mindful
 508         of the stack bias.
 509
 510         * config/sparc/linux.h, config/sparc/linux64.h: Don't bother
 511         including signal.h and sys/ucontext.h, not needed.
 512
 513 2002-04-29  Hans-Peter Nilsson  <hp@bitrange.com>
 514
 515         * varasm.c (output_constant_def): Correct test for not calling
 516         ENCODE_SECTION_INFO for INTEGER_CST.
 517
 518 2002-04-29  Neil Booth  <neil@daikokuya.demon.co.uk>
 519
 520         * cppexp.c (lex): Move some code to _cpp_parse_expr, but
 521         keep most cases as function eval_token.
 522         (eval_token): New function.
 523         (_cpp_parse_expr): Read token here for improved diagnostics.
 524         Don't use op_as_text.  Detect bad ':' here.
 525         (reduce): Don't detect bad ':' here.
 526         (op_as_text): Remove.
 527         * cpphash.h (_cpp_test_assertion): Change prototype.
 528         * cpplib.c (_cpp_test_assertion): Change prototype.
 529
 530 2002-04-28  Richard Henderson  <rth@redhat.com>
 531
 532         PR c/5154
 533         * ggc-common.c (ggc_mark_rtx_children_1): Rename from...
 534         (ggc_mark_rtx_children): New.
 535
 536 2002-04-28  Jakub Jelinek  <jakub@redhat.com>
 537
 538         PR target/6496
 539         * config/sparc/sparc.md (call + jump 32-bit peepholes): Disable jump
 540         after call peepholes for UltraSPARC.
 541         (call + jump 64-bit peepholes): Remove.
 542
 543 2002-04-28  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
 544
 545         PR c/6497
 546         * config/rs6000/rs6000.md (sCC patterns): Remove clobber and use
 547         result as temporary value.
 548
 549 2002-04-28  Jakub Jelinek  <jakub@redhat.com>
 550
 551         PR c++/6396
 552         * toplev.c (rest_of_compilation): Only run regrename and copy
 553         propagation if optimizing.
 554
 555 2002-04-28  Jakub Jelinek  <jakub@redhat.com>
 556
 557         PR optimization/6475
 558         * reload1.c (alter_reg): Only call set_mem_expr if I is home pseudo
 559         register of REGNO_DECL (i).
 560         * Makefile.in (reload1.o): Add $(TREE_H).
 561
 562 2002-04-28  Neil Booth  <neil@daikokuya.demon.co.uk>
 563
 564         * cppexp.c (lex): Update to use state.skip_eval.
 565         (struct op): Remove prio and flags members.
 566         (FLAG_BITS, FLAG_MASK, PRIO_SHIFT, EXTRACT_PRIO, EXTRACT_FLAGS,
 567         SHORT_CIRCUIT, RIGHT_ASSOC, ..._PRIO, op_to_prio): Remove.
 568         (LEFT_ASSOC): New macro.
 569         (optab): New table of operator priorities and flags.
 570         (SHIFT): Update.
 571         (_cpp_parse_expr): Clean up logic.  Return bool.  Use a
 572         malloc-ed parser stack.
 573         (reduce): New; reduce the operator stack.
 574         (_cpp_expand_op_stack): Expand the operator stack as necessary.
 575         * cpphash.h (struct op): Predeclare.
 576         (struct cpp_reader): New members op_stack, op_limit.
 577         (struct lexer_state): New member skip_eval.
 578         (_cpp_parse_expr): Update.
 579         (_cpp_expand_op_stack): New.
 580         * cpplib.c (do_if): Update.
 581         * cppinit.c (cpp_create_reader): Create op stack.
 582         (cpp_destroy): And destroy it.
 583         * cpplib.h (CPP_LAST_CPP_OP): Correct.
 584         (TTYPE_TABLE): Correct.
 585
 586 2002-04-28  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
 587
 588         PR c/6343
 589         * c-decl.c (duplicate_decls): Call merge_weak.
 590         * c-pragma.c (apply_pragma_weak): Warn about misuse.
 591         * output.h (merge_weak): Prototype merge_weak.
 592         * varasm.c (merge_weak): New function.
 593         (declare_weak): Make sure we don't give an error on VAR_DECLs.
 594         Mark RTL with SYMBOL_REF_WEAK.
 595
 596 2002-04-27  Kurt Garloff <garloff@suse.de>
 597
 598         * tree-inline.c (inlinable_function_p): Improve heuristics
 599         by using a smoother function to cut down allowable inlinable size.
 600         * param.def: Add parameters max-inline-insns-single,
 601         max-inline-slope, min-inline-insns that determine the exact
 602         shape of the above function.
 603         * param.h: Likewise.
 604
 605 2002-04-26  Richard Henderson  <rth@redhat.com>
 606
 607         * c-parse.in (malloced_yyss, malloced_yyvs): New.
 608         (yyoverflow): Re-add.  Set them.
 609         (free_parser_stacks): New.
 610         * c-common.h: Declare it.
 611         * c-lex.c (c_common_parse_file): Call it.
 612
 613 2002-04-26  Richard Henderson  <rth@redhat.com>
 614
 615         * cfgrtl.c (tidy_fallthru_edge): Don't use next_real_insn
 616         for fallthru search.
 617
 618 2002-04-26  Eric Christopher  <echristo@redhat.com>
 619
 620         PR optimization/3700
 621         * config/mips/mips.c (mips_issue_rate): Define.  New function.
 622         (TARGET_SCHED_ISSUE_RATE): Use.
 623
 624 2002-04-25  David S. Miller  <davem@redhat.com>
 625
 626         PR target/6422
 627         * reorg.c (optimize_skip): Do not allow exception causing
 628         instructions to be considered for delay slots.
 629         (fill_simply_delay_slots, fill_slots_from_thread): Likewise.
 630         (relax_delay_slots): Do not try to consider exception causing
 631         instructions as redundant.
 632
 633 2002-04-26  Richard Henderson  <rth@redhat.com>
 634
 635         PR c/5225
 636         * c-typeck.c (build_unary_op) [CONVERT_EXPR]: Invoke non_lvalue.
 637
 638 2002-04-26  Mark Mitchell  <mark@codesourcery.com>
 639
 640         PR bootstrap/6445
 641         * config/i386/i386.md (untyped_call): Return the value in a float
 642         register if TARGET_FLOAT_RETURNS_IN_80387, not just if
 643         TARGET_80387.
 644
 645 2002-04-26  Alexandre Oliva  <aoliva@redhat.com>
 646
 647         * tree.c (tree_int_cst_lt): Compare constants whose types differ
 648         in unsigned-ness correctly.
 649
 650 2002-04-26  John David Anglin  <dave@hiauly1.hia.nrc.ca>
 651
 652         * pa.h (FUNCTION_OK_FOR_SIBCALL): Don't do sibcalls when using the
 653         portable runtime model.
 654
 655 2002-04-26  Richard Henderson  <rth@redhat.com>
 656
 657         * c-parse.in (yyoverflow): Revert.
 658
 659 2002-04-26  David Edelsohn  <edelsohn@gnu.org>
 660             Richard Henderson  <rth@redhat.com>
 661
 662         * config/rs6000/rs6000.md (sCC pattern): Remove clobber and use
 663         result as temporary value.
 664
 665 2002-04-26  Richard Henderson  <rth@redhat.com>
 666
 667         PR c/3581
 668         * c-common.c (fix_string_type): Split out of ...
 669         (combine_strings): ... here.  Take a varray, not a tree list.
 670         (c_expand_builtin_printf): Use fix_string_type.
 671         * c-common.h: Update decls.
 672         * c-parse.in (string): Remove.  Update all uses to use STRING
 673         instead, and not call combine_strings.
 674         (yylexstring): New.
 675         (_yylex): Use it.
 676         * c-typeck.c (simple_asm_stmt): Don't call combine_strings.
 677         (build_asm_stmt): Likewise.
 678         * objc/objc-act.c (my_build_string): Use fix_string_type.
 679         (build_objc_string_object): Build varray for combine_strings.
 680
 681 2002-04-26  Bo Thorsen  <bo@suse.co.uk>
 682
 683         * config/i386/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Define for
 684         x86-64.
 685
 686 2002-04-26  Neil Booth  <neil@daikokuya.demon.co.uk>
 687
 688         * cppexp.c (CPP_UMINUS, CPP_UPLUS): New.
 689         (HAVE_NO_R_OPERAND): Remove.
 690         (HAVE_VALUE): Remove.
 691         (op_to_prio): Update.
 692         (UNARY): Don't alter flags.
 693         (_cpp_parse_expr): want_value used to indicate whether
 694         a number or unary operator is expected next.  Distinguish
 695         unary and binary +/-.
 696         (op_as_text): Update for unary operators.
 697
 698 2002-04-25  Richard Henderson  <rth@redhat.com>
 699
 700         PR c/2161
 701         * c-parse.in (yyoverflow): New.
 702
 703 2002-04-25  Richard Henderson  <rth@redhat.com>
 704
 705         PR c/2098
 706         * c-common.c (shorten_compare): Simplfy conditions leading to
 707         the generation of a warning.
 708
 709 2002-04-25  Richard Henderson  <rth@redhat.com>
 710
 711         PR c/2035
 712         * expmed.c (extract_bit_field): Fall through to generic code rather
 713         than aborting on subreg special case.
 714
 715 2002-04-25  David S. Miller  <davem@redhat.com>
 716
 717         * config/sparc/sparc.h (FUNCTION_OK_FOR_SIBCALL): Add back check
 718         for DECL being NULL.
 719
 720 2002-04-25  Steve Christiansen  <smc@us.ibm.com>
 721
 722         * doc/md.texi (Machine Constraints): Add IA-64 constraints.
 723
 724 2002-04-25  Eric Botcazou  <ebotcazou@multimania.com>
 725
 726         * c-decl.c (grokdeclarator): Remove outdated ??? note
 727         on invalid declaration of flexible array members.
 728
 729 2002-04-25  Richard Henderson  <rth@redhat.com>
 730
 731         * doc/invoke.texi: Document -gdwarf{,-2} vs debug level.
 732
 733 2002-04-25  Ulrich Weigand  <uweigand@de.ibm.com>
 734
 735         * config/s390/s390.c (s390_emit_epilogue): Always restore registers
 736         needed by the compiler, even if they are used as global regs.
 737
 738 2002-04-25  Matt Hiller  <hiller@redhat.com>
 739
 740         * mips.c (mips_class_max_nregs, mips_register_move_cost): New
 741         functions.
 742         * mips.h (CLASS_MAX_NREGS, REGISTER_MOVE_COST): Redefine as calls
 743         of the corresponding functions.
 744         * mips-protos.h (mips_class_max_nregs, mips_register_move_cost):
 745         New prototypes.
 746
 747 2002-04-25  Matt Hiller  <hiller@redhat.com>
 748
 749         * config/mips/mips.h (mips_sw_reg_names): Declare as extern.
 750
 751         (ALL_COP_ADDITIONAL_REGISTER_NAMES): New macro.
 752         (FIRST_PSEUDO_REGISTER): Redefine considering coprocessor
 753         registers, adjust comment accordingly.
 754         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
 755         reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGISTER_NAMES,
 756         DEBUG_REGISTER_NAMES, REG_ALLOC_ORDER): Adjust to include entries
 757         for coprocessor registers.
 758         (ADDITIONAL_REGISTER_NAMES): Include
 759         ALL_COP_ADDITIONAL_REGISTER_NAMES.
 760
 761         (COP0_REG_FIRST, COP0_REG_LAST, COP0_REG_NUM,
 762         COP2_REG_FIRST, COP2_REG_LAST, COP2_REG_NUM,
 763         COP3_REG_FIRST, COP3_REG_LAST, COP3_REG_NUM,
 764         COP0_REG_P, COP2_REG_P, COP3_REG_P, ALL_COP_REG_P,
 765         COPNUM_AS_CHAR_FROM_REGNUM, COP_REG_CLASS_P): New macros.
 766
 767         (mips_char_to_class): Adjust comment to include coprocessor
 768         constraint letters.
 769
 770         * config/mips/mips.c (coprocessor_operand, coprocessor2_operand):
 771         New functions.
 772         (mips_reg_names, mips_regno_to_class): Include coprocessor
 773         information.
 774         (mips_sw_reg_names): Ditto, make non-static.
 775         (mips_move_1word): Handle moves to and from coprocessor registers.
 776         (mips_move_2words): Handle moves to and from coprocessor
 777         registers.
 778         (mips_class_max_nregs, mips_register_move_cost): Handle
 779         coprocessor register classes.
 780         (override_options): Initialize mips_char_to_class and
 781         mips_hard_regno_mode_ok properly for coprocessor registers.
 782
 783         * config/mips/mips.md (movdi_internal, movdi_internal2,
 784         movsi_internal1, movsi_internal2): Add constraint-sets for
 785         coprocessor registers.
 786         * testsuite/gcc.c-torture/mipscop-1.c: New testcase.
 787         * testsuite/gcc.c-torture/mipscop-1.x: Disable above if target
 788         isn't mips.
 789         * testsuite/gcc.c-torture/mipscop-2.c: New testcase.
 790         * testsuite/gcc.c-torture/mipscop-2.x: Disable above if target
 791         isn't mips.
 792         * testsuite/gcc.c-torture/mipscop-3.c: New testcase.
 793         * testsuite/gcc.c-torture/mipscop-3.x: Disable above if target
 794         isn't mips.
 795         * testsuite/gcc.c-torture/mipscop-4.c: New testcase.
 796         * testsuite/gcc.c-torture/mipscop-4.x: Disable above if target
 797         isn't mips.
 798
 799         * doc/tm.texi: Document feature.
 800
 801 2002-04-25  Neil Booth  <neil@daikokuya.demon.co.uk>
 802
 803         * integrate.c (function_attribute_inlinable_p): Simplify.
 804         Check the table pointer is not NULL.
 805
 806 2002-04-25  Steven Bosscher  <S.Bosscher@student.tudelft.nl>
 807
 808         * doc/c-tree.texi: Fix typo in introduction.
 809
 810 2002-04-25  Neil Booth  <neil@daikokuya.demon.co.uk>
 811
 812         * c-common.h (c_common_parse_file): Update.
 813         * c-lang.c (LANG_HOOKS_SET_YYDEBUG): Remove.
 814         * c-lex.c (YYDEBUG): Get from c-lex.h.
 815         (c_common_parse_file): Update.
 816         * c-lex.h (YYDEBUG, yydebug): New.
 817         * c-parse.in (YYDEBUG): Get from c-lex.h.
 818         (c_set_yydebug): Remove.
 819         * c-tree.h (c_set_yydebug): Remove.
 820         * langhooks-def.h (lhd_do_nothing_i): New.
 821         (lhd_set_yydebug, LANG_HOOKS_SET_YYDEBUG): Remove.
 822         (LANG_HOOKS_PARSE_FILE, LANG_HOOKS_INITIALIZER): Update.
 823         * langhooks.c  (lhd_do_nothing_i): New.
 824         (lhd_set_yydebug): Remove.
 825         * langhooks.h (struct lang_hooks): Update.
 826         * toplev.c (set_yydebug): New.
 827         (compile_file): Update call to parse_file hook.
 828         (decode_d_option): Update.
 829 objc:
 830         * objc-lang.c (LANG_HOOKS_SET_YYDEBUG): Remove.
 831
 832 Wed Apr 24 23:45:37 2002  J"orn Rennecke <joern.rennecke@superh.com>
 833
 834         * loop.c (load_mems): Don't change the interface of called functions.
 835
 836         * calls.c (expand_call): Take current_function_pretend_args_size
 837         into account when setting argblock for sibcalls.
 838
 839 2002-04-24  Matt Hiller  <hiller@redhat.com>
 840
 841         * cpplex.c: Remove conditional #undef of MULTIBYTE_CHARS.
 842         * c-lex.c: Ditto.
 843
 844         * cpplex.c (skip_line_comment): Process comment one multibyte
 845         character at a time rather than one char at a time, if
 846         appropriate.
 847         (parse_string): Process string one multibyte character at a time
 848         rather than one char at a time, if appropriate.
 849         * c-lex.c (lex_string): Lex and copy multibyte strings
 850         appropriately.
 851         * cpplib.h (cppchar_t): Change to unsigned.
 852
 853 2002-04-24  Richard Henderson  <rth@redhat.com>
 854
 855         PR c/3467
 856         * c-decl.c (grokdeclarator): Don't pedwarn variable sized arrays
 857         for c99.
 858
 859 Wed Apr 24 21:51:54 2002  J"orn Rennecke <joern.rennecke@superh.com>
 860
 861         * sh.c (sh_va_arg): If argument was passed by reference,
 862         dereference the pointer.
 863
 864         * sh.h (PIC_OFFSET_TABLE_REGNUM): Conditionalize on flag_pic.
 865
 866         * sh.md (divsi3_i4_media): Use match_operand for input values
 867         rather than hard registers.
 868         (divsi3 - TARGET_SHMEDIA_FPU case): Don't ferry values
 869         unnecessarily through hard registers.  Keep copies of pseudo
 870         registers outside of the libcall sequence.
 871
 872         * sh.md (casesi_shift_media): Add modes.
 873
 874         * sh.h (RETURN_IN_MEMORY): Return variable size BLKmode
 875         values in memory.
 876
 877 2002-04-24  Neil Booth  <neil@daikokuya.demon.co.uk>
 878
 879         * attribs.c (c_common_attribute_table): Move table and handlers
 880         to c-common.c.
 881         (format_attribute_table, lang_attribute_table,
 882         lang_attribute_common): Remove.
 883         (init_attributes): Replace NULL pointers with pointers to the
 884         empty table.
 885         (handle_packed_attribute, handle_nocommon_attribute,
 886         handle_common_attribute, handle_noreturn_attribute,
 887         handle_noinline_attribute, handle_always_inline_attribute,
 888         handle_used_attribute, handle_unused_attribute,
 889         handle_const_attribute, handle_transparent_union_attribute,
 890         handle_constructor_attribute, handle_destructor_attribute,
 891         handle_mode_attribute, handle_section_attribute,
 892         handle_aligned_attribute, handle_weak_attribute,
 893         handle_alias_attribute, handle_visibility_attribute,
 894         handle_no_instrument_function_attribute, handle_malloc_attribute,
 895         handle_no_limit_stack_attribute, handle_pure_attribute,
 896         handle_deprecated_attribute, handle_vector_size_attribute,
 897         vector_size_helper): Move to c-common.c.
 898         * c-common.c (c_common_attribute_table,
 899         handle_packed_attribute, handle_nocommon_attribute,
 900         handle_common_attribute, handle_noreturn_attribute,
 901         handle_noinline_attribute, handle_always_inline_attribute,
 902         handle_used_attribute, handle_unused_attribute,
 903         handle_const_attribute, handle_transparent_union_attribute,
 904         handle_constructor_attribute, handle_destructor_attribute,
 905         handle_mode_attribute, handle_section_attribute,
 906         handle_aligned_attribute, handle_weak_attribute,
 907         handle_alias_attribute, handle_visibility_attribute,
 908         handle_no_instrument_function_attribute, handle_malloc_attribute,
 909         handle_no_limit_stack_attribute, handle_pure_attribute,
 910         handle_deprecated_attribute, handle_vector_size_attribute,
 911         vector_size_helper): Move from attribs.c.
 912         * c-common.h (c_common_attribute_table,
 913         c_common_format_attribute_table): New.
 914         * c-lang.c (LANG_HOOKS_COMMON_ATTRIBUTE_TABLE,
 915         LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE): Redefine.
 916         * langhooks-def.h (LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
 917         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_ATTRIBUTE_TABLE): New.
 918         (LANG_HOOKS_INITIALIZER): Update.
 919         * langhooks.h (struct lang_hooks): 3 new attribute hooks.
 920         * target-def.h (TARGET_ATTRIBUTE_TABLE): Default to NULL.
 921         * target.h: Update comment.
 922         * tree.c (default_target_attribute_table): Remove.
 923         * tree.h (default_target_attribute_table, format_attribute_table,
 924         lang_attribute_table, lang_attribute_common): Remove.
 925 objc:
 926         * objc-lang.c (LANG_HOOKS_COMMON_ATTRIBUTE_TABLE,
 927         LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE): Redefine.
 928
 929 2002-04-24  Jason Merrill  <jason@redhat.com>
 930
 931         * dwarf2.h (enum dwarf_attribute): Add DW_AT_GNU_vector.
 932         * dwarf2out.c (dwarf_attr_name): Support it.
 933         (gen_array_type_die): Emit it.
 934         (lookup_type_die): No special handling for VECTOR_TYPE.
 935         (gen_type_die): Hand VECTOR_TYPE off to gen_array_type_die.
 936
 937 2002-04-24  Richard Henderson  <rth@redhat.com>
 938
 939         * config/mips/mips.md (movdi_usd): Renumber.
 940
 941 2002-04-24  David S. Miller  <davem@redhat.com>
 942
 943         PR target/6420
 944         * config/sparc/sparc.h (FUNCTION_OK_FOR_SIBCALL): Return false if
 945         32-bit Sparc and current_function_returns_struct is true.
 946
 947 Wed Apr 24 13:48:25 CEST 2002  Jan Hubicka  <jh@suse.cz>
 948
 949         * loop.c (canonicalize_condition): Use gen_int_mode.
 950
 951 2002-04-24  Aldy Hernandez  <aldyh@redhat.com>
 952
 953         * config/rs6000/altivec.h: Cleanup file.  Add non individual
 954         variants.
 955         (vec_vaddubm): New.
 956         (vec_vadduhm): New.
 957         (vec_vadduwm): New.
 958         (vec_vaddfp): New.
 959         (vec_vaddcuw): New.
 960         (vec_vaddubs): New.
 961         (vec_vaddsbs): New.
 962         (vec_vadduhs): New.
 963         (vec_vadduws): New.
 964         (vec_vaddsws): New.
 965         (vec_vand): New.
 966         (vec_vandc): New.
 967         (vec_vavgub): New.
 968         (vec_vavgsb): New.
 969         (vec_vavguh): New.
 970         (vec_vavgsh): New.
 971         (vec_vavguw): New.
 972         (vec_vavgsw): New.
 973         (vec_vrfip): New.
 974         (vec_vcmpbfp): New.
 975         (vec_vcmpequb): New.
 976         (vec_vcmpequh): New.
 977         (vec_vcmpequw): New.
 978         (vec_vcmpeqfp): New.
 979         (vec_vcmpgefp): New.
 980         (vec_vcmpgtub): New.
 981         (vec_vcmpgtsb): New.
 982         (vec_vcmpgtuh): New.
 983         (vec_vcmpgtsh): New.
 984         (vec_vcmpgtuw): New.
 985         (vec_vcmpgtsw): New.
 986         (vec_vcmpgtfp): New.
 987         (vec_vcmpgefp): New.
 988         (vec_vcfux): New.
 989         (vec_vcfsx): New.
 990         (vec_vctsxs): New.
 991         (vec_vctuxs): New.
 992         (vec_vexptefp): New.
 993         (vec_vrfim): New.
 994         (vec_lvx): New.
 995         (vec_lvebx): New.
 996         (vec_lvehx): New.
 997         (vec_lde): Add vector float variant.
 998         (vec_lvewx): New.
 999         (vec_lvxl): New.
1000         (vec_vlogefp): New.
1001         (vec_vmaddfp): New.
1002         (vec_vmhaddshs): New.
1003         (vec_vmaxub): New.
1004         (vec_vmaxsb): New.
1005         (vec_vmaxuh): New.
1006         (vec_vmaxsh): New.
1007         (vec_vmaxuw): New.
1008         (vec_vmaxsw): New.
1009         (vec_vmaxsw): New.
1010         (vec_vmaxfp): New.
1011         (vec_vmrghb): New.
1012         (vec_vmrghh): New.
1013         (vec_vmrghw): New.
1014         (vec_vmrglb): New.
1015         (vec_vmrglh): New.
1016         (vec_vmrglw): New.
1017         (vec_vminub): New.
1018         (vec_vminsb): New.
1019         (vec_vminuh): New.
1020         (vec_vminsh): New.
1021         (vec_vminuw): New.
1022         (vec_vminsw): New.
1023         (vec_vminfp): New.
1024         (vec_vmladduhm): New.
1025         (vec_vmhraddshs): New.
1026         (vec_msumubm): New.
1027         (vec_vmsummbm): New.
1028         (vec_vmsumuhm): New.
1029         (vec_vmsumshm): New.
1030         (vec_vmsumuhs): New.
1031         (vec_vmsumshs): New.
1032         (vec_vmuleub): New.
1033         (vec_vmulesb): New.
1034         (vec_vmuleuh): New.
1035         (vec_vmulesh): New.
1036         (vec_vmuloub): New.
1037         (vec_mulosb): New.
1038         (vec_vmulouh): New.
1039         (vec_vmulosh): New.
1040         (vec_vnmsubfp): New.
1041         (vec_vnor): New.
1042         (vec_vor): New.
1043         (vec_vpkuhum): New.
1044         (vec_vpkuwum): New.
1045         (vec_vpkpx): New.
1046         (vec_vpkuhus): New.
1047         (vec_vpkshss): New.
1048         (vec_vpkuwus): New.
1049         (vec_vpkswss): New.
1050         (vec_vpkshus): New.
1051         (vec_vpkswus): New.
1052         (vec_vperm): New.
1053         (vec_vrefp): New.
1054         (vec_vrlb): New.
1055         (vec_vrlh): New.
1056         (vec_vrlw): New.
1057         (vec_vrfin): New.
1058         (vec_vrsqrtefp): New.
1059         (vec_vsel): New.
1060         (vec_vslb): New.
1061         (vec_vslh): New.
1062         (vec_vslw): New.
1063         (vec_vsldoi): New.
1064         (vec_vsl): New.
1065         (vec_vslo): New.
1066         (vec_vspltb): New.
1067         (vec_vsplth): New.
1068         (vec_vspltw): New.
1069         (vec_vspltisb): New.
1070         (vec_vspltish): New.
1071         (vec_vspltisw): New.
1072         (vec_vsrb): New.
1073         (vec_vsrh): New.
1074         (vec_vsrw): New.
1075         (vec_vsrab): New.
1076         (vec_vsrah): New.
1077         (vec_vsraw): New.
1078         (vec_vsr): New.
1079         (vec_vsro): New.
1080         (vec_stvx): New.
1081         (vec_stvebx): New.
1082         (vec_stvehx): New.
1083         (vec_stvewx): New.
1084         (vec_stvxl): New.
1085         (vec_vsububm): New.
1086         (vec_vsubuhm): New.
1087         (vec_vsubuwm): New.
1088         (vec_vsubfp): New.
1089         (vec_vsubcuw): New.
1090         (vec_vsububs): New.
1091         (vec_vsubsbs): New.
1092         (vec_vsubuhs): New.
1093         (vec_vsubshs): New.
1094         (vec_vsubuws): New.
1095         (vec_vsubsws): New.
1096         (vec_vsum4ubs): New.
1097         (vec_vsum4sbs): New.
1098         (vec_vsum4shs): New.
1099         (vec_vsum2sws): New.
1100         (vec_vsumsws): New.
1101         (vec_vrfiz): New.
1102         (vec_vupkhsb): New.
1103         (vec_vupkhpx): New.
1104         (vec_vupkhsh): New.
1105         (vec_vupklsb): New.
1106         (vec_vupklpx): New.
1107         (vec_vupklsh): New.
1108         (vec_vxor): New.
1109
1110 2002-04-23  Eric Botcazou  <ebotcazou@multimania.com>
1111
1112         PR c/5430
1113         * fold-const.c (split_tree): Add MINUS_LITP parameter; separate
1114         added literals from substracted literals.
1115         (associate_trees): Don't convert MINUS_EXPR into PLUS_EXPR.
1116         (fold) [associate]: Preserve MINUS_EXPR if needed.
1117
1118 2002-04-23  Zack Weinberg  <zack@codesourcery.com>
1119
1120         * doc/install.texi: Clarify which versions of alpha*-dec-osf*
1121         are obsoleted.
1122
1123 2002-04-23  Tom Tromey  <tromey@redhat.com>
1124
1125         * gcc.c: Added --resource.  For PR java/6314.
1126
1127 2002-04-23  David O'Brien  <obrien@FreeBSD.org>
1128
1129         * cp/g++spec.c: Use profiled libstdc++ and libm with -p/-pg.
1130         * config/freebsd.h (MATH_LIBRARY_PROFILE): Use the _p verions of
1131         these libraries.
1132
1133 2002-04-23  David O'Brien  <obrien@FreeBSD.org>
1134
1135         * config/freebsd.h(OBJECT_FORMAT_ELF): Define.
1136
1137 Tue Apr 23 14:24:25 CEST 2002  Jan Hubicka  <jh@suse.cz>
1138
1139         * i386.c (ix86_output_addr_diff_elt): Avoid x86_64 binutils bug
1140         workaround.
1141         (ix86_expand_int_movcc): Avoid x86_64 compilation chrash.
1142         (ix86_expand_clrstr): Fix typo.
1143         * loop.c (gen_load_of_final_value): New.
1144         (loop_givs_rescan, strength_reduce, check_dbra_loop):
1145         Use it.
1146
1147 2002-04-23  Roger Sayle  <roger@eyesopen.com>
1148
1149         * builtins.c (builtin_memset_gen_str): New function.
1150         (expand_builtin_memset): Optimize the case of constant length, but
1151         unknown value.
1152
1153 2002-04-23  Aldy Hernandez  <aldyh@redhat.com>
1154
1155         * config/rs6000/altivec.h (vec_step): Remove extraneous
1156         parentheses.
1157         (vec_ctu): Cast return.
1158
1159 2002-04-23  Alan Modra  <amodra@bigpond.net.au>
1160
1161         PR target/6413
1162         * function.h: (struct function): Add profile_label_no field.
1163         (current_function_profile_label_no): Define.
1164         * function.c: (profile_label_no): New static var.
1165         (expand_function_start): Increment it, and copy to
1166         current_function_profile_label_no.
1167         * output.h (profile_label_no): Delete.
1168         * final.c (profile_label_no): Delete.
1169         (profile_function): Use current_function_profile_label_no.
1170         (final_end_function): Don't increment profile_label_no here.
1171         * config/i386/i386.c (ix86_osf_output_function_prologue): Replace
1172         profile_label_no with current_function_profile_label_no.
1173         * config/pa/pa.c (current_function_number): Delete.
1174         (pa_output_function_prologue): Don't output profile label here.
1175         (hppa_profile_hook): Use label_no param rather than
1176         current_function_number.
1177         (FUNC_BEGIN_PROLOG_LABEL): Move to ..
1178         * config/pa/pa.h: .. here.
1179         (FUNCTION_PROFILER): Output profile label here.
1180
1181 2002-04-22  Eric Christopher  <echristo@redhat.com>
1182
1183         * config/mips/mips.h (ASM_OUTPUT_ALIGNED_DECL_COMMON): Revert
1184         patch of 2002-04-09 due to binutils issues.
1185         (FUNCTION_ARG_REGNO_P): Ensure even numbered float register.
1186
1187 2002-04-22  Aldy Hernandez  <aldyh@redhat.com>
1188
1189         * config/rs6000/rs6000.md ("*movv4si_internal"): Change 'm'
1190         constraint to 'o' for m=r and r=m alternatives.
1191         ("*movv8hi_internal1"): Same.
1192         ("*movv16qi_internal1"): Same.
1193         ("*movv4sf_internal1"): Same.
1194
1195 2002-04-22  Janis Johnson  <janis187@us.ibm.com>
1196
1197         * rtl.h (RTX_FLAG): New macro.
1198         * emit-rtl.c (copy_most_rtx): Use macros to access rtx flags.
1199         * final.c (alter_subreg): Use macro to access rtx flag.
1200         * integrate.c (copy_rtx_and_substitute): Use new access macro.
1201         * print-rtl.c (print_rtx): Use new access macro.
1202
1203         * cse.c (insert): Check rtx code before accessing flag.
1204
1205         * genattrtab.c (ATTR_IND_SIMPLIFIED_P, ATTR_CURR_SIMPLIFIED_P,
1206         ATTR_PERMANENT_P, ATTR_EQ_ATTR_P): New.
1207         (attr_hash_add_string, attr_rtx_1, attr_copy_rtx, check_attr_test,
1208         convert_const_symbol_ref, make_canonical, make_alternative_compare,
1209         evaluate_eq_attr, attr_rtx_cost, simplify_test_exp_in_temp,
1210         simplify_test_exp, optimize_attrs, simplify_by_exploding,
1211         find_and_mark_used_attributes, unmark_used_attributes,
1212         add_values_to_cover, simplify_with_current_value,
1213         simplify_with_current_value_aux, clear_struct_flag, walk_attr_value,
1214         copy_rtx_unchanging, main): Use new access macros.
1215
1216 2002-04-22  Tom Rix  <trix@redhat.com>
1217
1218         * expmed.c (init_expmed): Generate shifted constant once.
1219
1220 2002-04-22  Zack Weinberg  <zack@codesourcery.com>
1221
1222         * c-lex.c (lex_charconst): Call convert to get constant in
1223         proper type; don't just smash the type field.
1224         Fixes PR c/6300.
1225
1226         * config.gcc: Add list of obsolete configurations.  Disallow
1227         building these without --enable-obsolete.
1228         * doc/install.texi: Document --enable-obsolete and obsoletion
1229         policy.  Mention obsoletion of individual targets in
1230         appropriate places.
1231
1232 2002-04-22  Richard Henderson  <rth@redhat.com>
1233
1234         * config/sparc/sol2-bi.h (ASM_DEBUG_SPEC): New.
1235
1236 2002-04-22  Mark Mitchell  <mark@codesourcery.com>
1237
1238         PR f/6138.
1239         * function.c (fixup_memory_subreg): Add promoted_mode parameter.
1240         (walk_fixup_memory_subreg): Likewise.
1241         (fixup_var_refs_insn): Adjust accordingly.
1242         (fixup_var_refs_1): Likewise.
1243
1244 2002-04-22  Ulrich Weigand  <uweigand@de.ibm.com>
1245
1246         * config/s390/linux.h: (LIBPATH_SPEC, LIBPATH_ARCH31_SPEC,
1247         LIBPATH_ARCH64_SPEC): Define.
1248         (EXTRA_SPECS): Add libpath, libpath_arch31, libpath_arch64.
1249         (STARTFILE_SPEC, ENDFILE_SPEC): Define; use libpath.
1250         (LINK_ARCH31_SPEC): Add libpath_arch31 to search path.
1251         (LINK_ARCH64_SPEC): Add libpath_arch64 to search path.
1252
1253 2002-04-22      Joel Sherrill <joel@OARcorp.com>
1254
1255         * gthr-rtems.h: Correct prototypes to remove warnings.
1256
1257 2002-04-22  Richard Henderson  <rth@redhat.com>
1258
1259         PR c/6344
1260         * alias.c (canon_true_dependence): Special case (mem:blk (scratch)).
1261
1262         * gcse.c (free_insn_expr_list_list): New.
1263         (clear_modify_mem_tables): Use it.  Fix bit set usage.
1264         (canon_list_insert): Use EXPR_LISTs for expressions.
1265         (record_last_mem_set_info): Factor BLOCK_NUM (insn).
1266
1267 2002-04-22  Neil Booth  <neil@daikokuya.demon.co.uk>
1268
1269         * cppfiles.c (_cpp_pop_file_buffer): Return void.  Move
1270         file change and include code to _cpp_pop_buffer.
1271         * cpphash.h (struct pending_option): Predeclare.
1272         (struct cpp_reader): New member next_include_file.
1273         (_cpp_pop_file_buffer): Update.
1274         (_cpp_push_next_buffer): Update, rename.
1275         * cppinit.c (cpp_destroy): Free include chain and pending here.
1276         (cpp_finish_options): Simplify.
1277         (_cpp_push_next_buffer): Rename and clean up.
1278         * cpplib.c (cpp_pop_buffer): Move code from _cpp_pop_file_buffer.
1279         Clarify.
1280         * cppmacro.c (cpp_scan_nooutput): Set return_at_eof here.
1281
1282 2002-04-22  Aldy Hernandez  <aldyh@redhat.com>
1283
1284         * config/rs6000/altivec.h (vec_xor): Add variant for both args
1285         being vector signed int.
1286         (vec_andc): Same.
1287         (vec_xor): Add variant for both args being vector signed char.
1288         Remove redundant variant.
1289         (vec_andc): Same.
1290
1291 2002-04-21  David S. Miller  <davem@redhat.com>
1292
1293         * config/sparc/sparc.md (set then compare DI mode peephole2): Fix
1294         compare mode in output RTL.
1295
1296 2002-04-22  David Edelsohn  <edelsohn@gnu.org>
1297
1298         * config/rs6000/rs6000.c (rs6000_override_options): Correct
1299         style and formatting of previous patch.
1300
1301 2002-04-22  Alan Modra  <amodra@bigpond.net.au>
1302
1303         * config/rs6000/rs6000.c (rs6000_override_options): Always clear
1304         flag_pic for ABI_AIX.
1305
1306 2002-04-21  Neil Booth  <neil@daikokuya.demon.co.uk>
1307
1308         * cppexp.c (struct op, parse_number): Replace U_CHAR with uchar.
1309         * cppfiles.c (read_include_file): Similarly.
1310         * cpphash.h (DSC, U_CHAR, ustrcmp, ustrncmp, ustrlen,
1311         uxstrdup ustrchr, ufputs): Similarly.
1312         * cppinit.c (TRIGRAPH_MAP, cpp_destroy): Similarly.
1313         * cpplex.c (parse_slow, unescaped_terminator_p, save_comment,
1314         cpp_ideq, parse_identifier, parse_number): Similarly.
1315         * cpplib.c (struct directive, dequote_string, D, run_directive,
1316         cpp_push_buffer): Similarly.
1317         * cppmacro.c (new_string_token, builtin_macro, cpp_quote_string,
1318         _cpp_create_definition, check_trad_stringification,
1319         cpp_macro_definition): Similarly.
1320
1321 2002-04-21  Neil Booth  <neil@daikokuya.demon.co.uk>
1322
1323         * cppmacro.c (funlike_invocation_p): Don't step back
1324         over CPP_EOF.
1325
1326 2002-04-21  David Edelsohn  <edelsohn@gnu.org>
1327
1328         * config/rs6000/rs6000.c (output_profile_hook): Do not increment
1329         labelno.
1330
1331 2002-04-20  Joseph S. Myers  <jsm28@cam.ac.uk>
1332
1333         * doc/invoke.texi: Remove Chill references.
1334         * doc/gcc.texi: Update last modified date.
1335
1336 2002-04-20  Kazu Hirata  <kazu@hxi.com>
1337
1338         * config/h8300/lib1funcs.asm (___mulsi3): Remove unnecessary
1339         push and pop.  Replace add.l with add.w.
1340
1341 2002-04-20  Toshiyasu Morita  <toshiyasu.morita@hsa.hitachi.com>
1342
1343         * config/h8300/lib1funcs.asm (___mulsi3): Use hardware
1344         multiply instructions for H8/300H case.
1345
1346 2002-04-20  Toshiyasu Morita  <toshiyasu.morita@hsa.hitachi.com>
1347
1348         * config/h8300/lib1funcs.asm (___cmpsi2, ___ucmpsi2):
1349         Bum three instructions from each routine.
1350
1351 2002-04-20  Neil Booth  <neil@daikokuya.demon.co.uk>
1352
1353         * Makefile.in: Update.
1354         * decl.c (push_c_function_context, pop_c_function_context,
1355         mark_c_function_context): Rename for consistency.
1356         * c-objc-common.c (c_objc_common_init): Langhooks set elsewhere.
1357         * c-tree.h (push_c_function_context, pop_c_function_context,
1358         mark_c_function_context): Rename for consistency.
1359         * c-lang.c (LANG_HOOKS_FUNCTION_ENTER_NESTED,
1360         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_FUNCTION_MARK): Redefine.
1361         * function.c (init_lang_status, save_lang_status,
1362         restore_lang_status, mark_lang_status, free_lang_status):
1363         Move to langhooks.h.
1364         (push_function_context_to, pop_function_context_from,
1365         free_after_parsing, prepare_function_start, ggc_mark_struct_function):
1366         Update.
1367         * function.h (init_lang_status, save_lang_status,
1368         restore_lang_status, mark_lang_status, free_lang_status):
1369         Move to langhooks.h.
1370         * langhooks-def.h (LANG_HOOKS_FUNCTION_INIT,
1371         LANG_HOOKS_FUNCTION_FREE, LANG_HOOKS_FUNCTION_ENTER_NESTED,
1372         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_FUNCTION_MARK,
1373         LANG_HOOKS_FUNCTION_INITIALIZER): New.
1374         (LANG_HOOKS_INITIALIZER): Update.
1375         (lhd_do_nothing_f): New.
1376         * langhooks.h (struct lang_hooks_for_functions): New.
1377         (struct lang_hooks): New hooks.
1378         * langhooks.c (lhd_do_nothing_f): New.
1379 objc:
1380         * objc-lang.c (LANG_HOOKS_FUNCTION_ENTER_NESTED,
1381         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_FUNCTION_MARK): Redefine.
1382
1383 2002-04-19  David S. Miller  <davem@redhat.com>
1384
1385         * config/sparc/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
1386         * config/sparc/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Likewise.
1387
1388 2002-04-19  Jakub Jelinek  <jakub@redhat.com>
1389
1390         PR optimization/3756
1391         * config/i386/i386.c (ix86_expand_int_movcc): Optimize
1392         x = ((int) y < 0) ? cst1 : cst2.
1393
1394 2002-04-19  Jakub Jelinek  <jakub@redhat.com>
1395
1396         PR c/6358
1397         * function.c: Reapply patch for c/6358.
1398         (expand_function_end): Copy decl_rtl's mode, not
1399         current_function_return_rtx mode.
1400
1401 2002-04-19  Joel Sherrill  <joel@OARcorp.com>
1402
1403         * config/rtems.h (STARTFILE_SPEC, ENDFILE_SPEC): Fix for non-ELF
1404         targets.
1405
1406 2002-04-19  Tom Tromey  <tromey@redhat.com>
1407
1408         * doc/install.texi (Specific): Update status of Solaris 2.8.
1409         For PR libgcj/6158.
1410
1411 2002-04-19  Andreas Schwab  <schwab@suse.de>
1412
1413         * real.c: Allow sizeof (REAL_VALUE_TYPE) > 2*NE.
1414         (PUT_REAL): Restore old definition.
1415
1416 2002-04-19  Dan Nicolaescu  <dann@godzilla.ics.uci.edu>
1417             Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1418
1419         * doc/install.texi (Specific, sparc-sun-solaris2*): Mention that
1420         binutils 2.11.2 and higher generate smaller binaries than Sun's
1421         native tools.
1422
1423 2002-04-19  Mark Mitchell  <mark@codesourcery.com>
1424
1425         PR c++/6352
1426         * toplev.c (rest_of_compilation): Do not defer functions for which
1427         TREE_SYMBOL_REFERENCED has already been set.
1428
1429 Fri Apr 19 15:53:03 CEST 2002  Jan Hubicka  <jh@suse.cz>
1430
1431         * i386.md (movsi_1, movhi_1): Force reload to use more flexible
1432         alternative.
1433
1434 2002-04-19  Neil Booth  <neil@daikokuya.demon.co.uk>
1435
1436         * builtins.c: Include langhooks.h.
1437         (lang_type_promotes_to): Remove.
1438         (expand_builtin_va_arg): Use new hook.
1439         * c-common.c (c_common_nodes_and_builtins): Don't set hook.
1440         (simple_type_promotes_to): Move to c-typeck.c.
1441         * c-common.h (simple_type_promotes_to): Remove.
1442         * c-decl.c (duplicate_decls, grokdeclarator): Update.
1443         * c-format.c: Include langhooks.h.
1444         (check_format_types): Update.
1445         * c-tree.h (c_type_promotes_to): New.
1446         * c-typeck.c (c_type_promotes_to): Move from c-common.c.
1447         (type_lists_compatible_p): Update.
1448         * langhooks-def.h (lhd_type_promotes_to): New.
1449         (LANG_HOOKS_TYPE_PROMOTES_TO): New.
1450         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Update.
1451         * langhooks.c (lhd_type_promotes_to): New.
1452         * langhooks.h (struct lang_hooks_for_types): New hook.
1453         * tree.h (lang_type_promotes_to): Remove.
1454 objc:
1455         * objc-lang.c (LANG_HOOKS_TYPE_PROMOTES_TO): Redefine.
1456
1457 2002-04-18  Richard Henderson  <rth@redhat.com>
1458
1459         * function.c: Revert patch for c/6358.
1460
1461 2002-04-18  Richard Henderson  <rth@redhat.com>
1462
1463         * ifcvt.c (find_cond_trap): Handle cases with no proper THEN or JOIN
1464         blocks.  Handle multiple references to the TRAP block.  Handle
1465         non-adjacent THEN and OTHER blocks.
1466
1467 2002-04-18  Richard Henderson  <rth@redhat.com>
1468
1469         * config/ia64/ia64.c (ia64_function_arg_pass_by_reference): Don't
1470         crash with no type for by-mode libcalls.
1471
1472         * config/ia64/ia64.md (conditional_trap): Fix predicate polarity.
1473
1474 2002-04-18  Bob Wilson  <bob.wilson@acm.org>
1475
1476         * config/xtensa/lib2funcs.S (__xtensa_libgcc_window_spill,
1477         __xtensa_nonlocal_goto): Use a syscall instructions to flush
1478         the register windows.
1479
1480 2002-04-18  Zack Weinberg  <zack@codesourcery.com>
1481
1482         * real.h: Define REAL_VALUE_TYPE_SIZE as 96 or 160, as
1483         appropriate.  Document need for extended precision even when
1484         MAX_LONG_DOUBLE_TYPE_SIZE is smaller.  Define REAL_WIDTH here,
1485         based on REAL_VALUE_TYPE_SIZE.  Use REAL_WIDTH to size
1486         REAL_VALUE_TYPE.  Define CONST_DOUBLE_FORMAT here.  Use #error
1487         instead of relying on later syntax error when REAL_WIDTH > 5.
1488         * real.c: Define NE based only on whether or not we have a
1489         full 128-bit extended type (not INTEL_EXTENDED_IEEE_FORMAT).
1490         Require sizeof(REAL_VALUE_TYPE) == 2*NE.  Unconditionally
1491         define GET_REAL and PUT_REAL as simple memcpy operations; no
1492         need to byteswap or round.
1493         Use #error instead of #ifdef-ing out the entire file, for
1494         prompt error detection.
1495
1496         * rtl.c, gengenrtl.c: No need to calculate CONST_DOUBLE_FORMAT here.
1497
1498 2002-04-18  David S. Miller  <davem@redhat.com>
1499
1500         * config/sparc/sparc.h (BRANCH_COST): Define.
1501
1502         * fold-const.c (BRANCH_COST): Don't provide default here, expr.h
1503         does it.
1504
1505 2002-04-18  Hans-Peter Nilsson  <hp@bitrange.com>
1506
1507         * flow.c (update_life_info): Ignore return value of cleanup_cfg.
1508         Mask out PROP_SCAN_DEAD_CODE | PROP_KILL_DEAD_CODE in
1509         propagate_block calls after relaxation loop using new variable
1510         stabilized_prop_flags.
1511
1512 2002-04-18  Richard Henderson  <rth@redhat.com>
1513
1514         * config/ia64/ia64.c (ia64_function_arg_pass_by_reference): New.
1515         (ia64_va_arg): Expect variable sized types by reference.
1516         * config/ia64/ia64-protos.h: Update.
1517         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Use
1518         ia64_function_arg_pass_by_reference.
1519
1520 2002-04-18  Richard Henderson  <rth@redhat.com>
1521
1522         * ifcvt.c: Include except.h.
1523         (block_has_only_trap): Break out from find_cond_trap.
1524         (find_cond_trap): Use it.  Always delete the trap block.
1525         (merge_if_block): Allow then block null.  Be less simplistic about
1526         what insns can end a block.
1527         * Makefile.in (ifcvt.o): Depend on except.h.
1528
1529         * config/ia64/ia64.md (trap, conditional_trap): New.
1530
1531 2002-04-18  Jakub Jelinek  <jakub@redhat.com>
1532
1533         PR c/6358
1534         * function.c (assign_parms): Assign hard current_function_return_rtx
1535         register here...
1536         (expand_function_end): ...not here.
1537
1538 2002-04-18  Neil Booth  <neil@daikokuya.demon.co.uk>
1539
1540         * c-lang.c (LANG_HOOKS_INCOMPLETE_TYPE_ERROR): Redefine.
1541         * c-tree.h (c_incomplete_type_error): New.
1542         * c-typeck.c (require_complete_type, build_component_ref): Update.
1543         (incomplete_type_error): Rename.
1544         * langhooks-def.h (lhd_incomplete_type_error): New.
1545         (LANG_HOOKS_INCOMPLETE_TYPE_ERROR): New.
1546         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Update.
1547         * langhooks.c (lhd_incomplete_type_error): New.
1548         * langhooks.h (struct lang_hooks_for_types): New hook.
1549         * tree.c (size_in_bytes): Use new hook.
1550         * tree.h (incomplete_type_error): Remove.
1551 objc:
1552         * objc-lang.c (LANG_HOOKS_INCOMPLETE_TYPE_ERROR): Redefine.
1553
1554 2002-04-18  Zack Weinberg  <zack@codesourcery.com>
1555
1556         * config/arc/arc.md: Remove #if HOST_FLOAT_FORMAT !=
1557         TARGET_FLOAT_FORMAT blocks.
1558
1559 2002-04-18  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1560
1561         * doc/install.texi (Downloading the source): Do not mention Chill
1562         any longer, but mention Ada.
1563         (Configuration): Do not mention Chill any longer.
1564
1565 2002-04-18  Hans-Peter Nilsson  <hp@axis.com>
1566
1567         * config/cris/cris.h (TARGET_VERSION): Remove local version number.
1568
1569 Thu Apr 18 17:14:08 CEST 2002  Jan Hubicka  <jh@suse.cz>
1570
1571         * i386.h (SSE_FLOAT_MODE_P): Fix bogus conflict resolution
1572         in last patch.
1573
1574 2002-04-18  Jakub Jelinek  <jakub@redhat.com>
1575
1576         * fold-const.c (fold): Use (*lang_hooks.types.unsigned_type)
1577         instead of unsigned_type.
1578
1579 Thu Apr 18 15:49:12 CEST 2002  Jan Hubicka  <jh@suse.cz>
1580
1581         * i386.h (SSE_FLOAT_MODE_P): Kill bogus TARGET_SSE_MATH check.
1582         * i386.md (sse_mov?fcc*): Swap operands for cases they will be swapped
1583         later.
1584
1585 2002-04-18  Bernd Schmidt  <bernds@redhat.com>
1586
1587         * attribs.c (vector_type_node_list): New static variable.
1588         (handle_vector_size_attribute): Use it to avoid generating a
1589         new type node each time we are called.
1590
1591         * combine.c (subst): Avoid trying to make a vector mode subreg of
1592         an integer constant.
1593         (gen_lowpart_for_combine): Likewise.
1594
1595 2002-04-18  Roger Sayle  <roger@eyesopen.com>
1596             Jakub Jelinek  <jakub@redhat.com>
1597
1598         * fold-const.c (fold) [NOP_EXPR]: Convert (T)(x&c) into ((T)x&(T)c)
1599         for integer constant c (if x has unsigned type or sign bit is not
1600         set in c).  This folds the zero/sign extension into the bit-wise and
1601         operation.
1602
1603 2002-04-18  Jakub Jelinek  <jakub@redhat.com>
1604
1605         PR middle-end/6205
1606         * config/i386/i386.md (movsf_1): Use pxor only if TARGET_SSE2,
1607         otherwise xorps.
1608
1609 2002-04-17  NIIBE Yutaka  <gniibe@m17n.org>
1610
1611         * config/sh/elf.h: Undefine ASM_OUTPUT_CASE_LABEL.
1612
1613 2002-04-17  Nick Clifton  <nickc@cambridge.redhat.com>
1614
1615         * gcc.c (read_specs): Detect and fail if an attempt is made to
1616         rename a spec string to an already existing string.
1617
1618 2002-04-17  Ulrich Weigand  <uweigand@de.ibm.com>
1619
1620         * config/s390/s390.c (legitimize_pic_address): Do not generate
1621         illegal address constant without CONST.
1622
1623 2002-04-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1624
1625         * sparc/linux64.h (CC1_SPEC): Error for -m32 and -m64.
1626         * sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
1627
1628 2002-04-17  Ulrich Weigand  <uweigand@de.ibm.com>
1629
1630         PR optimization/6305
1631         * config/s390/s390.c (s390_expand_plus_operand): Use find_replacement
1632         to make sure previous reloads are taken into account.  Generate
1633         better code if one operand is an in-range immediate constant.
1634
1635 2002-04-16  Andrew Haley  <aph@cambridge.redhat.com>
1636
1637         * doc/install.texi (Building): libgcj requires GNU make.
1638
1639 2002-04-17  Jakub Jelinek  <jakub@redhat.com>
1640
1641         PR bootstrap/6315
1642         * config/sparc/sparc.md (movtf reg<-reg split): Allow spliting
1643         even if hard quad and register is not floating.
1644         (movtf reg<-mem split): Disallow splitting if hard quad and
1645         register is floating.
1646         (movtf mem<-reg split): Likewise.
1647         * config/sparc/sparc.c (fp_register_operand): New predicate.
1648         * config/sparc/sparc.h (PREDICATE_CODES): Add fp_register_operand.
1649
1650 2002-04-17  Zack Weinberg  <zack@codesourcery.com>
1651
1652         * Makefile.in (PROTO_OBJS): Add cppdefault.o.
1653         (protoize.o): Take $(PREPROCESSOR_DEFINES) off command line.
1654         (unprotoize.o): Ditto.  Build from protoize.c.  Define
1655         UNPROTOIZE on command line.
1656         * protoize.c: Include cppdefault.h.  Delete include_defaults.
1657         (in_system_include_dir): Use cpp_include_defaults (defined in
1658         cppdefault.o).
1659         * unprotoize.c: Delete file.
1660
1661 2002-04-17  Aldy Hernandez  <aldyh@redhat.com>
1662
1663         * config/rs6000/altivec.h (vec_ld): Add array variants.
1664         (vec_lde): Same.
1665         (vec_ldl): Same.
1666
1667 2002-04-17  Alan Matsuoka  <alanm@redhat.com>
1668             Aldy Hernandez <aldyh@redhat.com>
1669
1670         * config/rs6000/altivec.h: Define __ALTIVEC__.
1671         (bool): New.
1672         (__pixel): New.
1673         (pixel): New.
1674         (vec_cfux): New.
1675         (vec_vmaddfp): New.
1676         (vec_vsldoi): New.
1677         Add parentheses to all macro arguments.
1678
1679 2002-04-16  Richard Henderson  <rth@redhat.com>
1680
1681         PR c++/6320
1682         * except.c (remove_eh_handler): Insert inner regions at beginning
1683         of sibling chain.  Refactor expressions.
1684
1685 2002-04-16  Richard Henderson  <rth@redhat.com>
1686
1687         * config/sparc/sol2-bi.h (AS_SPARC64_FLAG): New.
1688         * config/sparc/sol2-gas-bi.h: New file.
1689         * config.gcc (sparc*-solaris): Add it as needed.
1690         * configure.in (AS_SPARC64_FLAG): Remove check.
1691         * config.in, configure: Regenerate.
1692
1693         * config/sparc/sol2-bi.h (CC1_SPEC): Error for -m32 and -m64.
1694
1695 2002-04-16  Richard Henderson  <rth@redhat.com>
1696
1697         * config/mips/mips.c (override_options): Don't override N32 for
1698         a 64-bit ISA.
1699
1700         PR 6202
1701         * config/mips/mips.md (can_delay): Split out of existing define_delays.
1702         (HILO_delay): Set can_delay false.
1703
1704 2002-04-16  Dale Johannesen <dalej@apple.com>
1705
1706         * config/rs6000/rs6000.c (rs6000_output_function_prologue): Compute
1707         instruction addresses.
1708         (rs6000_output_function_epilogue): Likewise.
1709
1710 2002-04-16  Paolo Carlini  <pcarlini@unitus.it>
1711
1712         * c-parse.in (poplevel, compstmt_start,
1713         compstmt_primary_start): Add ending ';', in accordance
1714         with POSIX.
1715
1716 2002-04-16  Richard Henderson  <rth@redhat.com>
1717
1718         * config.gcc (sparcv9-solaris): Configure for 64-bit default.
1719         Adjust tm_file order to get TARGET_DEFAULT set properly.
1720         (sparc-solaris): Configure 2.[78] for 64-bit multilibs.
1721         * doc/install.texi (sparc-solaris): Update.
1722
1723 2002-04-16  Dale Johannesen <dalej@apple.com>
1724
1725         * config/rs6000/rs6000.c (rs6000_emit_cmove): Fail if modes of
1726         comparison operands do not match each other or if modes of
1727         conditions do not match result.
1728
1729 2002-04-16  Hartmut Penner <hpenner@de.ibm.com>
1730
1731         PR target/6305
1732         * config/s390/s390.md (mulsidi3): Set both subregs of the
1733         multiword register.
1734
1735 2002-04-16  Aldy Hernandez  <aldyh@redhat.com>
1736
1737         * config/rs6000/altivec.h (vec_addc): Type check.
1738
1739 2002-04-16  Jakub Jelinek  <jakub@redhat.com>
1740
1741         PR middle-end/6279
1742         * expr.c (store_expr): Don't copy if DECL_RTL (exp) == target.
1743
1744         * expr.c (safe_from_p): Cleanup: use DECL_RTL_IF_SET.
1745
1746 2002-04-15  Richard Henderson  <rth@redhat.com>
1747
1748         * config/mips/abi64.h (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Set
1749         call_really_used_regs too.
1750
1751 2002-04-15  Richard Henderson  <rth@redhat.com>
1752
1753         * config/alpha/gnu.h (CPP_PREDEFINES): Underscores for gnu_hurd.
1754
1755 2002-04-15  David S. Miller  <davem@redhat.com>
1756
1757         * rtlanal.c (note_stores): Don't present PARALLEL SET_DESTs
1758         as being CLOBBERed.
1759
1760 2002-04-16  Jakub Jelinek  <jakub@redhat.com>
1761
1762         PR c/6290
1763         * config/rs6000/rs6000.c (easy_vector_constant): Return 1 if the
1764         CONST_VECTOR is { 0, ... 0 }.
1765
1766 2002-04-15  Loren J. Rittle  <ljrittle@acm.org>
1767
1768         * doc/install.texi (Installing GCC: Configuration): Clarify
1769         the only supported ways to configure gcc.
1770
1771 2002-04-15  Roland McGrath  <roland@frob.com>
1772
1773         * config.gcc (alpha*-*-gnu*): New target configuration.
1774         * config/alpha/gnu.h: New file for it.
1775         * config/gnu.h (TARGET_MEM_FUNCTIONS): #undef before #define.
1776
1777 2002-04-16  Mark Mitchell  <mark@codesourcery.com>
1778
1779         * c-common.h (STMT_EXPR_NO_SCOPE): New macro.
1780         * c-common.c (c_expand_expr): Respect STMT_EXPR_NO_SCOPE.
1781         * tree.h (expand_start_stmt_expr): Update prototype.
1782         * stmt.c (expand_start_stmt_expr): Add has_scope parameter.
1783         * tree-inline.c (expand_call_inline): Set STMT_EXPR_NO_SCOPE
1784         on the STMT_EXPR created for the inline function.
1785
1786 2002-04-15  Richard Henderson  <rth@redhat.com>
1787
1788         * config/alpha/linux.h, config/arm/linux-elf.h, config/i370/linux.h,
1789         config/i386/linux-aout.h, config/i386/linux-oldld.h,
1790         config/i386/linux.h, config/i386/linux64.h, config/ia64/linux.h,
1791         config/m68k/linux-aout.h, config/m68k/linux.h, config/mips/linux.h,
1792         config/pa/pa-linux.h, config/pj/linux.h, config/s390/linux.h,
1793         config/sh/linux.h, config/sparc/linux-aout.h, config/sparc/linux.h,
1794         config/sparc/linux64.h, config/xtensa/linux.h (CPP_PREDEFINES):
1795         Define __gnu_linux__, not gnu_linux.
1796         * config/rs6000/sysv4.h (CPP_OS_GNU_SPEC): Likewise for gnu_hurd.
1797
1798 2002-04-15  Mark Mitchell  <mark@codesourcery.com>
1799
1800         Remove Chill front end.
1801         * gcc.c (default_compilers): Remove Chill entries.
1802         * ch: Remove directory.
1803         * doc/frontends.texi: Remove information about Chill.
1804         * doc/sourcebuild.texi: Likewise.
1805         * doc/standards.texi: Likewise.
1806
1807 2002-04-15  Douglas B Rupp  <rupp@gnat.com>
1808
1809         * config/alpha/vms.h (INCLUDE_DEFAULTS): Add /gnu/lib/gcc-lib/include.
1810         (LONGLONG_STANDALONE): Define.
1811
1812 2002-04-15  David S. Miller  <davem@redhat.com>
1813
1814         * config/sparc/sparc.c (sparc_emit_float_lib_cmp):
1815         Call emit_library_call with LCT_NORMAL.
1816         (sparc_initialize_trampoline): Use LCT_foo instead of
1817         magic constant in emit_library_call invocations.
1818         (sparc64_initialize_trampoline): Likewise.
1819         (sparc_profile_hook): Likewise.
1820         * config/sparc/sparc.md: Likewise.
1821
1822         * config/sparc/sparc.c (sparc_extra_constraint_check):
1823         Fix type of argument 'c'.
1824         * config/sparc/sparc-protos.h (sparc_extra_constraint_check):
1825         Likewise.
1826
1827 2002-04-15  Gabriel Dos Reis  <gdr@merlin.codesourcery.com>
1828
1829         * diagnostic.h (output_buffer_state): Redefine.
1830         (output_format_decoder): New macro.
1831         (output_prefixing_rule): Likewise.
1832         (output_line_cutoff): Likewise.
1833         (diagnostic_format_decoder): Adjust.
1834         (diagnostic_prefixing_rule): Likewise.
1835         (diagnostic_line_cutoff): Likewise.
1836         (diagnostic_state): Likewise.
1837         (diagnostic_kind_count): Likewise.
1838         (diagnostic_buffer): Now a macro.
1839
1840         * diagnostic.c (diagnostic_buffer): Remove definition.
1841         (output_is_line_wrapping): Adjust.
1842         (set_real_maximum_length): Likewise.
1843         (output_set_maximum_length): Likewise.
1844         (init_output_buffer): Likewise.
1845         (lhd_print_error_function): Likewise.
1846         (output_do_verbatim): Likewise.
1847
1848 2002-04-14  Neil Booth  <neil@daikokuya.demon.co.uk>
1849
1850         * cpperror.c (print_location): Don't print include chain
1851         if line == 0.
1852         (cpp_begin_message): Update to use DL_ macros.
1853         (cpp_ice, cpp_fatal, cpp_error_from_errno, cpp_warning,
1854         cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
1855         cpp_notice, cpp_notice_from_errno): Remove.
1856         (cpp_error, cpp_error_with_line): Update to take a diagnostic
1857         level.
1858         (cpp_errno): New.
1859         * cppexp.c (CPP_ICE): Remove.
1860         (SYNTAX_ERROR, SYNTAX_ERROR2, parse_number, parse_defined,
1861         lex, integer_overflow, _cpp_parse_expr): Update.
1862         * cppfiles.c (read_include_file, find_include_file,
1863         handle_missing_header, _cpp_read_file, remap_filename): Update.
1864         * cpphash.h (enum error_type): Remove.
1865         (_cpp_begin_message): Update.
1866         * cppinit.c (append_include_chain, remove_dup_dirs, output_deps,
1867         cpp_handle_option, cpp_post_options): Update.
1868         * cpplex.c (trigraph_p, skip_escaped_newlines, skip_block_comment,
1869         skip_whitespace, parse_identifier, parse_slow, parse_string,
1870         _cpp_lex_direct, cpp_spell_token, maybe_read_ucs, cpp_parse_escape,
1871         cpp_interpret_charconst): Update.
1872         * cpplib.c (check_eol, directive_diagnostics, _cpp_handle_directive,
1873         lex_macro_node, do_undef, glue_header_name, parse_include,
1874         do_include_common, read_flag, do_line, do_linemarker, do_ident,
1875         cpp_register_pragma, do_pragma_once, do_pragma_system_header,
1876         do_pragma_poison, do_pragma_dependency, _cpp_do__Pragma, do_else,
1877         do_elif, do_endif, parse_answer, parse_assertion, do_assert,
1878         _cpp_pop_buffer, do_diagnostic): Update.
1879         * cpplib.h (DL_WARNING, DL_WARNING_SYSHDR, DL_PEDWARN, DL_ERROR,
1880         DL_FATAL, DL_ICE, DL_EXTRACT, DL_WARNING_P): New.
1881         (cpp_ice, cpp_fatal, cpp_error_from_errno, cpp_warning,
1882         cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
1883         cpp_notice, cpp_notice_from_errno): Remove.
1884         (cpp_error, cpp_error_with_line): Update to take a diagnostic
1885         level.
1886         (cpp_errno): New.
1887         * cppmacro.c (builtin_macro, stringify_arg, paste_all_tokens,
1888         collect_args, enter_macro_context, save_parameter, parse_params,
1889         _cpp_create_definition, check_trad_stringification,
1890         cpp_macro_definition): Update.
1891         * cppmain.c (cpp_preprocess_file): Update.
1892         * fix-header.c (read_scan_file): Update.
1893
1894 2002-04-14  Andreas Schwab  <schwab@suse.de>
1895
1896         * config/ia64/linux.h (CPP_PREDEFINES): Fix missing backslash.
1897
1898 2002-04-14  Jeroen Dobbelaere  <jeroen.dobbelaere@acunia.com>
1899
1900         * config/arm/linux-elf.h (CPLUSPLUS_CPP_SPEC): Define.
1901
1902 2002-04-13  Mark Mitchell  <mark@codesourcery.com>
1903
1904         * config/i386/gnu.h (CPP_PREDEFINES): Define __gnu_hurd__,
1905         not gnu_hurd.
1906
1907 2002-04-13  Hans-Peter Nilsson  <hp@axis.com>
1908
1909         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC): Fix typo.
1910
1911 2002-04-13      Joel Sherrill <joel@OARcorp.com>
1912
1913         * config/sparc/t-elf: Enable v8 multilibs.  Impacts
1914         sparc-elf and sparc-rtems targets.
1915
1916 2002-04-13  Mark Mitchell  <mark@codesourcery.com>
1917
1918         * alpha/linux.h: Define __gnu_linux__ wherever __linux__ is
1919         defined, and __gnu_hurd__ wherever __GNU__ is defined.
1920         * arm/linux-elf.h: Likewise.
1921         * cris/aout.h: Likewise.
1922         * cris/linux.h: Likewise.
1923         * i370/linux.h: Likewise.
1924         * i386/gnu.h: Likewise.
1925         * i386/linux-aout.h: Likewise.
1926         * i386/linux-oldld.h: Likewise.
1927         * i386/linux.h: Likewise.
1928         * i386/linux64.h: Likewise.
1929         * ia64/linux.h: Likewise.
1930         * m68k/linux-aout.h: Likewise.
1931         * m68k/linux.h: Likewise.
1932         * mips/linux.h: Likewise.
1933         * pa/pa-linux.h: Likewise.
1934         * pj/linux.h: Likewise.
1935         * rs6000/sysv4.h: Likewise.
1936         * s390/linux.h: Likewise.
1937         * sh/linux.h: Likewise.
1938         * sparc/linux-aout.h: Likewise.
1939         * sparc/linux.h: Likewise.
1940         * sparc/linux64.h: Likewise.
1941         * xtensa/linux.h: Likewise.
1942
1943 2002-04-13  Richard Sandiford  <rsandifo@redhat.com>
1944
1945         * stmt.c (check_unique_operand_names): Expect operand names to
1946         be strings rather than identifiers.  Use simple_cst_equal to
1947         compare them.
1948         (resolve_operand_name_1): Make same identifier to string change here.
1949         * c-parse.in (asm_operand): Convert a named operand into a string.
1950         * cp/parse.y (asm_operand): Likewise.
1951
1952 2002-04-13  Andreas Schwab  <schwab@suse.de>
1953
1954         * config/ia64/ia64.h (CPP_SPEC): Include %(cpp_cpu).
1955
1956 2002-04-12  Mark Mitchell  <mark@codesourcery.com>
1957
1958         Revert these changes:
1959
1960         2002-04-06  Mark Mitchell  <mark@codesourcery.com>
1961
1962         PR c++/5571
1963         * stor-layout.c (layout_decl): Reset the RTL for the decl.
1964
1965 2002-04-12  Richard Henderson  <rth@redhat.com>
1966
1967         * config.gcc (sparcv9-*-solaris2): Default to 32-bit code.
1968         (sparc*-*-solaris): Clean up header files.
1969         * configure.in (AS_SPARC64_FLAG): Error out if can't find it
1970         and plan on generating 64-bit code.
1971         * toplev.c (decode_g_option): Remove LINKER_DOES_NOT_WORK_WITH_DWARF2.
1972         * config/sparc/sol2-64.h: Delete and reuse for default 64-bit code.
1973         * config/sparc/sol2-sld-64.h: Rename ...
1974         * config/sparc/sol2-bi.h: ... here.  Remove the bits that checked
1975         for AS_SPARC64_FLAG not defined.
1976         * config/sparc/sol2-gld-bi.h: New.
1977         * config/sparc/sol2-sld.h: Remove.
1978         * config/sparc/sol26-sld.h: New.
1979         * config/sparc/sol2.h: Tidy comments.
1980         * doc/install.texi: Document sparc-solaris configury changes.
1981
1982 2002-04-12  Richard Henderson  <rth@redhat.com>
1983
1984         * recog.c (offsettable_address_p): Match the logic in adjust_address.
1985
1986         * config/sparc/sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Handle TFmode
1987         in 64-bit mode only.  Use only for 32-bit or MEDLOW.
1988
1989 2002-04-12  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1990
1991         * config/alpha/osf.h (LINK_SPEC): Pass -S to silence ld warnings.
1992
1993 Fri Apr 12 15:42:59 2002  Jeffrey A Law  (law@redhat.com)
1994
1995         * pa.c (pa_can_combine_p): Call extract_insn before calling
1996         constrain_operands.
1997
1998 2002-04-12  Douglas B Rupp  <rupp@gnat.com>
1999
2000         * config/i386/i386-interix.h (EH_FRAME_IN_DATA_SECTION): Define.
2001         (TARGET_ASM_NAMED_SECTION, RETURN_IN_MEMORY) Define.
2002         (DEFAULT_PCC_STRUCT_RETURN): Define as 0.
2003         (CPP_PREDEFINES): Handle __declspec.
2004         * config/i386/t-interix (USER_H): Remove.
2005
2006 2002-04-12  DJ Delorie  <dj@redhat.com>
2007
2008         * integrate.c (compare_blocks): Make comparisons safe for when
2009         sizeof(int) < sizeof(char *).
2010         (find_block): Likewise.
2011
2012 2002-04-12  Jan Hubicka  <jh@suse.cz>
2013             David Edelsohn  <edelsohn@gnu.org>
2014
2015         * config/rs6000/rs6000.c (call_operand): Allow LINK and COUNT
2016         registers.
2017         (symbol_ref_operand): New.
2018         * config/rs6000/rs6000.h (PREDICATE_CODES): Add symbol_ref_operand.
2019         * config/rs6000/rs6000.md (call_nonlocal_aix): Use symbol_ref_operand.
2020
2021 2002-04-12  Andreas Schwab  <schwab@suse.de>
2022
2023         * config/ia64/ia64.h (ASM_SPEC): Moved from here ...
2024         * config/ia64/sysv4.h (ASM_SPEC): ... to here, so that it
2025         overrides the definition in config/svr4.h.
2026
2027 2002-04-12      Eric Norum <eric.norum@usask.ca>
2028
2029         * config/rtems.h, config/a29k/rtems.h, config/arm/rtems-elf.h,
2030         config/c4x/rtems.h, config/h8300/rtems.h, config/i386/rtems.h,
2031         config/i386/rtemself.h, config/i960/rtems.h, config/m68k/rtems.h,
2032         config/m68k/rtemself.h, config/mips/rtems.h, config/mips/rtems64.h,
2033         config/pa/rtems.h, config/rs6000/rtems.h, config/sh/rtems.h,
2034         config/sh/rtemself.h, config/sparc/rtems.h, config/sparc/rtemself.h,
2035         config/v850/rtems.h (*-rtems*): Cleanup pass to move common
2036         definitions to config/rtems.h and make the targets more similar.
2037
2038 Fri Apr 12 08:06:54 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2039
2040         * expr.c (expand_assigment): Remove duplicate conversions #ifdef
2041         POINTERS_EXTEND_UNSIGNED.
2042         (store_constructor, expand_expr, case COMPONENT_REF): Likewise.
2043         (store_expr): Use TYPE_MODE (sizetype), not ptr_mode.
2044
2045         * emit-rtl.c (widen_memory_access): Don't do anything if MEMOFFSET
2046         not specified.
2047
2048 Fri Apr 12 12:11:26 2002  J"orn Rennecke <joern.rennecke@superh.com>
2049
2050         * sh.c (calc_live_regs, sh_pr_n_sets): Use of PR_MEDIA_REG / PR_REG
2051         depends on TARGET_SHMEDIA, not TARGET_SH5.
2052
2053 2002-04-12  Hans-Peter Nilsson  <hp@bitrange.com>
2054
2055         * function.c (fixup_var_refs_1) <SET, handling VAR in SET_SRC>:
2056         For paradoxical (subreg VAR), replace VAR, don't try the subreg.
2057
2058 Fri Apr 12 10:51:38 2002  J"orn Rennecke <joern.rennecke@superh.com>
2059
2060         * sh.c (broken_move): Constant 0. / 1. load is OK if there is
2061         no r0 clobber.
2062
2063 2002-04-12  Andreas Schwab  <schwab@suse.de>
2064
2065         * config/ia64/ia64.h (EXTRA_SPECS): Fix missing backslash.
2066
2067 2002-04-12  Richard Henderson  <rth@redhat.com>
2068
2069         PR bootstrap/4191
2070         * config/d30v/d30v.h (INIT_SECTION_ASM_OP): Don't undef.
2071
2072         * flow.c (mark_used_reg): Manage reg_cond_dead properly for
2073         modes spanning multiple hard regs.
2074
2075         * recog.c (peephole2_optimize): Rebuild jump labels as needed.
2076
2077 2002-04-11  John David Anglin  <dave@hiauly1.hia.nrc.ca>
2078
2079         * pa.c (pa_output_function_prologue): Don't accumulate the total
2080         number of code bytes when using TARGET_64BIT, or gas, SOM and not
2081         the portable runtime.
2082         (output_deferred_plabels): Handle 64bit plabels.
2083         (output_cbranch): Use $PIC_pcrel$0 for pc relative relocations when
2084         generating pic code using the GAS assembler for object formats that
2085         are not SOM (ie., ELF32 and ELF64).
2086         (output_millicode_call): Check attribute type if attribute length is 28.
2087         Likewise use $PIC_pcrel$0.  Only call get_attr_length and
2088         dbr_sequence_length once.
2089         (output_call): Likewise use $PIC_pcrel$0, and call get_attr_length and
2090         dbr_sequence_length once.
2091         * pa.h (TARGET_SOM): Define if not defined.
2092         * pa.md (pattern to load address of label): Likewise use $PIC_pcrel$0
2093         with GAS and not SOM.
2094         (jump, call_internal_reg, call_value_internal_reg): Likewise.
2095         * som.h (OBJ_SOM): Rename to TARGET_SOM.  Undefine before defining.
2096
2097 2002-04-11  David O'Brien  <obrien@FreeBSD.org>
2098
2099         * config/freebsd.h (NO_IMPLICIT_EXTERN_C, SCCS_DIRECTIVE): Give value.
2100         (DEFAULT_PCC_STRUCT_RETURN) Do not redefine.
2101         (USER_LABEL_PREFIX, HANDLE_SYSV_PRAGMA, IDENT_ASM_OP,
2102         DWARF2_DEBUGGING_INFO, DBX_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE):
2103         elfos.h and dbxelf.h values are fine now.
2104         * config/i386/freebsd.h, config/alpha/freebsd.h
2105         (DEFAULT_PCC_STRUCT_RETURN): Define to 0.
2106
2107 2002-04-11  David O'Brien  <obrien@FreeBSD.org>
2108
2109         * config/ia64/aix.h (CPP_PREDEFINES): Do not define _LP64/__LP64__
2110         or set Acpu or Amachine.  Reformat.
2111         (ASM_SPEC, DONT_USE_BUILTIN_SETJMP, PROFILE_BEFORE_PROLOGUE): Do not
2112         define.
2113         (LINK_SPEC): Do not need to undef.
2114         * config/ia64/elf.h (ASM_EXTRA_SPEC): Define.
2115         * config/ia64/freebsd.h (LINK_SPEC): Do not need to undef.
2116         (ASM_SPEC, DONT_USE_BUILTIN_SETJMP, PROFILE_BEFORE_PROLOGUE): Do not
2117         define.
2118         * config/ia64/hpux.h (ASM_EXTRA_SPEC): Define.
2119         (ASM_SPEC): Do not define, use ASM_EXTRA_SPEC instead.
2120         (LINK_SPEC): Do not need to undef.
2121         (DONT_USE_BUILTIN_SETJMP): Do not define.
2122         * config/ia64/ia64.h (ASM_SPEC, ASM_EXTRA_SPEC): Add.
2123         (CPP_CPU_SPEC): Define _LP64, set Acpu and Amachine.  Remove -Dia64.
2124         (DONT_USE_BUILTIN_SETJMP, PROFILE_BEFORE_PROLOGUE): Define.
2125         Remove trailing spaces.
2126         * config/ia64/linux.h (CPP_PREDEFINES): Do not define _LP64/__LP64__,
2127         __ELF__, or set Acpu or Amachine.  Reformat.
2128         (ASM_SPEC, DONT_USE_BUILTIN_SETJMP, PROFILE_BEFORE_PROLOGUE): Do not
2129         define.
2130
2131 2002-04-11  David O'Brien  <obrien@FreeBSD.org>
2132
2133         * config.gcc (ia64-*-freebsd*): Fix ordering of tm_files to match
2134         all other *-*-freebsd* targets.
2135
2136 2002-04-11  Richard Henderson  <rth@redhat.com>
2137
2138         * config.gcc (alpha*-*-linux*ecoff): Detect and reject.
2139
2140 2002-04-11  David O'Brien  <obrien@FreeBSD.org>
2141
2142         * config.gcc (alpha*-*-openbsd, alpha64-dec-*vms,alpha*-dec-*vms):
2143         Include {cpu}/{cpu}.h thru tm_file.
2144         (alpha*-*-linux*ecoff): Remove target.
2145         * config/alpha/elf.h (CPP_SUBTARGET_SPEC): Define __ELF__.
2146         (LINK_SPEC): Remove, is not OS independent.
2147         * config/alpha/freebsd.h (CPP_SPEC): Do not define __ELF__.
2148         (LINK_SPEC): Do not need to #undef any longer.
2149         * config/alpha/linux-ecoff.h (LINK_SPEC): Do not need to #undef
2150         any longer.
2151         * config/alpha/linux-elf.h (SUB_CPP_PREDEFINES): Do not define
2152         __ELF__.
2153         (LINK_SPEC): Moved here from alpha/elf.h.
2154         * config/alpha/linux.h (CPP_PREDEFINES): No longer consumer of
2155         SUB_CPP_PREDEFINES.
2156         * config/alpha/linux-ecoff.h: Remove.
2157         * config/alpha/netbsd.h (CPP_PREDEFINES): Do not define __ELF__.
2158         (CPP_SPEC): Define _POSIX_SOURCE as needed.
2159         (CPP_SUBTARGET_SPEC): Do not define.
2160         (LINK_SPEC): Do not need to #undef any longer.
2161         * config/alpha/openbsd.h: Do not directly include alpha/alpha.h.
2162         * config/alpha/vms.h: Likewise.
2163
2164 2002-04-11  Richard Sandiford  <rsandifo@redhat.com>
2165
2166         * doc/extend.texi: Remove old claim that typedefs cannot have
2167         an alignment attribute.
2168
2169 2002-04-11  Jakub Jelinek  <jakub@redhat.com>
2170
2171         PR optimization/6177
2172         * expr.c (expand_expr) [COMPONENT_REF]: Handle op0 CONCAT if
2173         bitpos is 0 and bitsize CONCAT size.
2174
2175 2002-04-11  Jakub Jelinek  <jakub@redhat.com>
2176
2177         PR c/6223
2178         * combine.c (if_then_else_cond): Use trunc_int_for_mode on nz.
2179
2180 2002-04-10  David O'Brien  <obrien@FreeBSD.org>
2181
2182         * config/alpha/freebsd.h: Minor reformatting.
2183         (CPP_SPEC): Define ELF and add cpp_subtarget.
2184         (ASM_SPEC): No longer needed.
2185
2186 2002-04-11  Richard Henderson  <rth@redhat.com>
2187
2188         * config/sparc/sparc.md (movdi_insn_sp32): Add o/J alternative.
2189         (movdi_insn_sp32_v9): Likewise.  Only allow stx with aligned memory.
2190         (dimode mem/zero splitter): New.
2191
2192 2002-04-11  Hans-Peter Nilsson  <hp@axis.com>
2193
2194         * config/cris/cris.c (cris_override_options): Tweak error message
2195         for PIC not implemented.
2196
2197         * config/cris/cris.h: Tweak comments related to parameter-passing.
2198
2199         * t-cris (TARGET_LIBGCC2_CFLAGS): Don't -Dinhibit_libc here.
2200
2201 2002-04-10  Richard Henderson  <rth@redhat.com>
2202
2203         * except.c (add_ehl_entry): Allow duplicates after landing pad
2204         creation.
2205
2206 2002-04-10  David Edelsohn  <edelsohn@gnu.org>
2207
2208         * config/rs6000/t-aix43 (SHLIB_NM_FLAGS): Add -X32_64.
2209
2210 2002-04-10  Toon Moene  <toon@moene.indiv.nluug.nl>
2211
2212         * c-decl.c (c_init_decl_processing): Move generation of
2213         decls for g77_integer_type_node and friends from here ...
2214         * c-common.c (c_common_nodes_and_builtins): ... to here.
2215
2216 2002-04-10  Ulrich Weigand  <uweigand@de.ibm.com>
2217
2218         * reload1.c (choose_reload_regs): HARD_FRAME_POINTER_REGNUM
2219         is only used as frame pointer when frame_pointer_needed is true.
2220
2221 2002-04-10  Richard Earnshaw  <rearnsha@arm.com>
2222
2223         PR target/817
2224         * arm.md (arm_movdi): Adjust neg_pool_range attribute to allow
2225         for the fact that the pool entry uses two words.
2226         (movdf_hard_insn): Similarly.  Also, ADR instruction can span
2227         1k bytes.
2228         (movdf_soft_insn): Similarly.
2229         (movxf_hard_insn): Adjust neg_pool_range attribute to allow
2230         for the fact that the pool entry uses three words.
2231
2232 2002-04-10  Richard Sandiford  <rsandifo@redhat.com>
2233
2234         * config/mips/mips.c (mips_va_arg): When using the struct version
2235         of the EABI va_list, allow arguments in the register save area to
2236         take up less room than a stack argument.
2237
2238 2002-04-10  Richard Henderson  <rth@redhat.com>
2239
2240         * expr.c (expand_expr) [INTEGER_CST]: Don't force into registers
2241         if EXPAND_INITIALIZER.
2242
2243 2002-04-09  Richard Henderson  <rth@redhat.com>
2244
2245         * config/alpha/alpha.md (movdi_er_maybe_g): New.
2246         * config/alpha/alpha.c (alpha_expand_mov): Use it.
2247
2248 2002-04-10  Alan Modra  <amodra@bigpond.net.au>
2249
2250         PR optimization/6233
2251         * rtlanal.c (pure_call_p): New function.
2252         * rtl.h (pure_call_p): Declare.
2253         * loop.c (prescan_loop): Use it to set has_nonconst_call.
2254         * gcse.c (store_killed_in_insn): Use pure_call_p here too.
2255
2256 2002-04-09  Eric Christopher  <echristo@redhat.com>
2257
2258         * config/mips/mips.h (ASM_OUTPUT_ALIGNED_DECL_COMMON): Add additional
2259         information to .comm directive.
2260
2261 2002-04-09  Richard Henderson  <rth@redhat.com>
2262
2263         PR c/5078
2264         * expr.c (expand_expr) [INTEGER_CST]: Force overflows into registers.
2265
2266 2002-04-09  Richard Henderson  <rth@redhat.com>
2267
2268         * basic-block.h (flow_delete_block_noexpunge): Declare.
2269         (expunge_block_nocompact): Declare.
2270         * cfg.c (expunge_block_nocompact): Split out from ...
2271         (expunge_block): ... here.
2272         * cfgrtl.c (can_delete_label_p): Don't use exception_handler_labels.
2273         (flow_delete_block_noexpunge): Split out from ...
2274         (flow_delete_block): ... here.
2275         * cfgcleanup.c (delete_unreachable_blocks): Compact while
2276         removing dead blocks.
2277         * except.c (exception_handler_labels): Remove.
2278         (exception_handler_label_map): New.
2279         (struct eh_region): Add aka member.
2280         (mark_ehl_map_entry, mark_ehl_map, free_region): New.
2281         (ehl_hash, ehl_eq, ehl_free, add_ehl_entry): New.
2282         (for_each_eh_label, for_each_eh_label_1): New.
2283         (init_eh): Register exception_handler_label_map.
2284         (free_eh_status): Use free_region.
2285         (find_exception_handler_labels): Use the map, not the list.
2286         (remove_exception_handler_label): Likewise.
2287         (maybe_remove_eh_handler): Likewise.
2288         (remove_eh_handler): Use the region aka bitmap.
2289         * except.h (exception_handler_labels): Remove.
2290         (for_each_eh_label): Declare.
2291         * jump.c (rebuild_jump_labels): Don't check exception_handler_labels.
2292         * loop.c (invalidate_loops_containing_label): New.
2293         (find_and_verify_loops): Use it.  Use for_each_eh_label.
2294         * sched-rgn.c (is_cfg_nonregular): Use
2295         current_function_has_exception_handlers.
2296
2297 2002-04-09  Richard Henderson  <rth@redhat.com>
2298
2299         * sbitmap.c (sbitmap_union_of_diff, sbitmap_a_and_b, sbitmap_a_xor_b,
2300         sbitmap_a_or_b, sbitmap_a_or_b_and_c, sbitmap_a_and_b_or_c):
2301         Do not return changed status.
2302         (sbitmap_union_of_diff_cg, sbitmap_a_and_b_cg, sbitmap_a_xor_b_cg,
2303         sbitmap_a_or_b_cg, sbitmap_a_or_b_and_c_cg, sbitmap_a_and_b_or_c_cg):
2304         New functions that do return changed status.
2305         * sbitmap.h: Update decls.
2306         * gcse.c, lcm.c: Use _cg functions as needed.
2307
2308 Tue Apr  9 19:15:57 2002  J"orn Rennecke <joern.rennecke@superh.com>
2309
2310         * config.gcc (sh-*-elf*): Use sh/embed-elf.h instead of sh/elf.h.
2311         (sh64-*-elf*, sh-*-rtemself*): Likewise.
2312         * config/sh/embed_bb.c: New file.
2313         * config/sh/embed-elf.h: New file.
2314         * sh.h (CPP_SPEC): Supply __SIZE_TYPE__ and __PTRDIFF_TYPE__
2315         if -m[12345]* option is given.  Don't use subtarget_cpp_ptr_spec.
2316         (CPP_DEFAULT_CPU_SPEC): Add settings for __SIZE_TYPE__ and
2317         __PTRDIFF_TYPE__ .
2318         (SUBTARGET_CPP_PTR_SPEC): Don't define.
2319         (EXTRA_SPECS): Remove subtarget_cpp_ptr_spec.
2320         Add subtarget_asm_endian_spec.
2321         (ASM_SPEC): Use subtarget_asm_endian_spec.
2322         (SUBTARGET_ASM_ENDIAN_SPEC): Define.
2323         (RETURN_ADDR_RTX): Use PR_MEDIA_REG for TARGET_SH5.
2324         (WCHAR_UNSIGNED): Define.
2325         (SH_ELF_WCHAR_TYPE, SH_DBX_REGISTER_NUMBER): Define.
2326         (DBX_REGISTER_NUMBER): Use SH_DBX_REGISTER_NUMBER.
2327         (ALLOCATE_INITIAL_VALUE): Use PR_MEDIA_REG for TARGET_SH5.
2328         Fix value.
2329         * sh.c (calc_live_regs): Use PR_MEDIA_REG for TARGET_SH5.
2330         (sh_adjust_cost): Likewise.
2331         sh64.h (CPP_DEFAULT_CPU_SPEC): Add settings for __SIZE_TYPE__ and
2332         __PTRDIFF_TYPE__ .
2333         (SUBTARGET_CPP_PTR_SPEC, WCHAR_TYPE): Don't #undef/ #define.
2334         (WCHAR_TYPE_SIZE): Likewise.
2335         (ASM_SPEC): Use subtarget_asm_endian_spec.
2336         (SH_ELF_WCHAR_TYPE): #undef/ #define.
2337         (MAX_WCHAR_TYPE_SIZE): Don't #undef.
2338         * config/sh/elf.h (WCHAR_UNSIGNED): #undef .
2339         (MAX_WCHAR_TYPE_SIZE): Don't #define .
2340         (WCHAR_TYPE, WCHAR_TYPE_SIZE): #undef / #define .
2341         (USER_LABEL_PREFIX): Don't #undef /#define .
2342         (DBX_REGISTER_NUMBER): Use SH_DBX_REGISTER_NUMBER.
2343         * config/elf/linux.h (USER_LABEL_PREFIX): Don't #undef /#define .
2344         (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE, WCHAR_TYPE_SIZE): Likewise.
2345         (ASM_SPEC): Likewise.
2346         (SUBTARGET_ASM_ENDIAN_SPEC): #undef / #define .
2347         (CC1_SPEC): don't supply -m3 for -m4*, -m5*.
2348         * t-sh: (LIB1ASMFUNCS): Use LIB1ASMFUNCS_CACHE.
2349         (LIB2FUNCS_EXTRA): Define.
2350         * t-sh64 (LIB2FUNCS_EXTRA): Define.
2351         * config/sh/t-linux (LIB1ASMFUNCS): Don't redefine.
2352         (LIB1ASMFUNCS_CACHE): Define.
2353         (LIB2FUNCS_EXTRA): Redefine empty.
2354
2355 2002-04-08  Richard Henderson  <rth@redhat.com>
2356
2357         * reorg.c (get_branch_condition): Use reversed_comparison_code.
2358
2359 2002-04-09  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
2360
2361         * config/m68hc11/larith.asm (__map_data_section): Fix condition
2362         and optimize for size.
2363         (__do_global_ctors): Fix pointer comparison.
2364         (__do_global_dtors): Likewise.
2365
2366 2002-04-09  David S. Miller  <davem@redhat.com>
2367
2368         * config/sparc/sparc.c (sparc_extra_constraint_check): New
2369         function, implementing EXTRA_CONSTRAINTS.  For memory constraints,
2370         allow reloading pseudos.
2371         * config/sparc/sparc.h (EXTRA_CONSTRAINTS): Use it.
2372         * config/sparc/sparc-protos.h: Declare it.
2373
2374         * config/sparc/sparc.c (const64_is_2insns): Kill signed vs.
2375         unsigned comparison warning.
2376         (output_restore_regs): Mark leaf_function as unused.
2377
2378 Tue Apr  9 09:35:45 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2379
2380         * expr.c (is_aligning_offset): New function.
2381         (expand_expr, case COMPONENT_EXPR): Call it.
2382
2383 2002-04-08  David S. Miller  <davem@redhat.com>
2384
2385         PR target/6082
2386         * config/sparc/freebsd.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDLOW
2387
2388         Make init_priority work on Sparc when using GNU ld.
2389         * config/sparc/linux.h, config/sparc/linux64.h,
2390         config/sparc/netbsd-elf.h, config/sparc/freebsd.h
2391         (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Undefine.
2392         * config/sparc/sol2-gld.h: New file to do the same.
2393         * config.gcc (sparc*-*-solaris2*): If gnu_ld=yes add
2394         sparc/sol2-gld.h to tm_file.
2395
2396         PR optimization/4328
2397         * config/sparc/sparc.h (EXTRA_CONSTRAINT): Add new constraint 'W'.
2398         * doc/md.texi: Document it.
2399         * config/sparc/sparc.md (movdi_insn_sp64_novis,
2400         movdi_insn_sp64_vis, movdf_insn_sp32, movdf_insn_v9only_novis,
2401         movdf_insn_v9only_vis, movdf_insn_sp64_novis,
2402         movdf_insn_sp64_vis): Use it as MEM constraing with 'e' registers.
2403         * config/sparc/sparc.c (mem_min_alignment): Fix comment.
2404
2405 2002-04-08  Andreas Jaeger  <aj@suse.de>
2406
2407         * stmt.c (expand_asm_operands): Revert last patch from Richard
2408         Henderson.
2409
2410 2002-04-08  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
2411
2412         * doc/contrib.texi (Contributors): Add John David Anglin and Loren
2413         J. Rittle (the latter also to Testers).  Update David O'Brien's entry.
2414
2415 2002-04-08  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
2416
2417         * doc/contrib.texi (Contributors): Add David O'Brien.
2418
2419 2002-04-08  Alan Modra  <amodra@bigpond.net.au>
2420
2421         * configure.in (auto-build.h): Use target_alias and build_alias
2422         when running configure.
2423         (gcc_cv_as, gcc_cv_ld): Search install paths when build != host too.
2424         (gcc_cv_nm, gcc_cv_objdump): Set for build != host too.
2425         * configure: Regenerate.
2426
2427 2002-04-07  David S. Miller  <davem@redhat.com>
2428
2429         * config.gcc (sparc64-*-linux*): Add t-crtfm to tmake_file.
2430
2431 2002-04-07  John David Anglin  <dave@hiauly1.hia.nrc.ca>
2432
2433         PR 5933
2434         * pa.h (ASM_OUTPUT_MI_THUNK): Use indirect jump to target function when
2435         generating 32-bit pic code.
2436
2437 2002-04-06  Jason Thorpe  <thorpej@wasabisystems.com>
2438
2439         * cppinit.c (cpp_create_reader): Initialize
2440         discard_comments_in_macro_exp.
2441         (COMMAND_LINE_OPTIONS): Add "-CC" option.
2442         (cpp_handle_option): Handle "-CC" option.
2443         * cpplex.c (save_comment): If saving a C++ comment in
2444         a directive, convert it to a C comment.
2445         (_cpp_lex_direct): Pass second comment start character to
2446         save_comment to indicate comment type.
2447         * cpplib.c (_cpp_handle_directive): If processing
2448         a "#define" directive and discard_comments_in_macro_exp
2449         is false,  re-enable saving of comments.
2450         (lex_macro_node): If discard_comments_in_macro_exp is false,
2451         discard any comments before the macro identifier.
2452         * cpplib.h (struct cpp_options): Add discard_comments_in_macro_exp
2453         member.
2454         * cppmacro.c (cpp_get_token): If expanding a macro while
2455         processing a directive, discard any comments we might encounter.
2456         (parse_params): If discard_comments_in_macro_exp is false,
2457         ignore comments in the macro parameter list.
2458         * gcc.c (cpp_unique_options): Add "-CC" option.
2459         (option_map): Map "--comments-in-macros" to "-CC".
2460         * doc/cppopts.texi: Document "-CC" option.
2461         * f/lang-specs.h: Add "-CC" option.
2462         * testsuite/gcc.dg/cpp/maccom1.c: New test.
2463         * testsuite/gcc.dg/cpp/maccom2.c: New test.
2464         * testsuite/gcc.dg/cpp/maccom3.c: New test.
2465         * testsuite/gcc.dg/cpp/maccom4.c: New test.
2466         * testsuite/gcc.dg/cpp/maccom5.c: New test.
2467         * testsuite/gcc.dg/cpp/maccom6.c: New test.
2468
2469 2002-04-06  John David Anglin  <dave@hiauly1.hia.nrc.ca>
2470
2471         PR middle-end/6180
2472         * reorg.c (dbr_schedule): Don't reposition prologue and epilogue notes.
2473
2474 2002-04-06  Mark Mitchell  <mark@codesourcery.com>
2475
2476         PR c++/5571
2477         * stor-layout.c (layout_decl): Reset the RTL for the decl.
2478
2479         PR opt/5120
2480         * sibcall.c (optimize_sibling_and_tail_recursive_call): Clear
2481         RTX_UNCHANGING_P for the functions arguments when a tail call
2482         is made.
2483
2484 2002-04-06  Jason Merrill  <jason@redhat.com>
2485
2486         * toplev.c (flag_no_inline, flag_really_no_inline): Default to 2.
2487         (parse_options_and_default_flags): Set them appropriately.
2488         * c-common.c (c_common_post_options): Don't set flag_really_no_inline.
2489
2490 2002-04-06  Hans-Peter Nilsson  <hp@bitrange.com>
2491
2492         * config/mmix/t-mmix (TARGET_LIBGCC2_CFLAGS): Don't -Dinhibit_libc
2493         here.
2494
2495         * config/mmix/mmix.h (INITIAL_ELIMINATION_OFFSET): Remove spurious
2496         semicolon.
2497
2498         * config/mmix/mmix.c (mmix_expand_builtin_va_arg): Variable-size
2499         types come in by-reference.  Fix typo in comment.
2500
2501 2002-04-05  David S. Miller  <davem@redhat.com>
2502
2503         * config/sparc/freebsd.h (ENDFILE_SPEC): Add crtfastmath bits.
2504         * config.gcc (sparc64-wrs-vxworks, sparc-*-chorusos,
2505         sparc-*-rtems*, sparclite-*-elf* sparc86x-*-elf*, sparc64-*-elf*,
2506         {sparc64,ultrasparc}-*-freebsd*): Add sparc/t-crtfm to tmake_file.
2507
2508 2002-04-05  David S. Miller  <davem@redhat.com>
2509
2510         * config/sparc/sparc.c (sparc_nonflat_function_epilogue): If we
2511         are not going to emit return instructions, emit at least a nop
2512         for the sake of sane backtraces.
2513
2514 2002-04-05  Richard Henderson  <rth@redhat.com>
2515
2516         * doc/rtl.texi (Regs and Memory): Document (mem:BLK (scratch)).
2517
2518 2002-04-05  Jakub Jeilnek  <jakub@redhat.com>
2519
2520         * mklibgcc.in: Use $tmpmapfile, not tmp-$@.
2521
2522 2002-04-05  Alexandre Oliva  <aoliva@redhat.com>
2523
2524         * config/mips/mips.h (ISA_HAS_BRANCHLIKELY, ISA_HAS_CONDMOVE,
2525         ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB,
2526         ISA_HAS_CLZ_CLO, ISA_HAS_DCLZ_DCLO): Disable if TARGET_MIPS16.
2527
2528 2002-04-05  Andreas Schwab  <schwab@suse.de>
2529
2530         * c-convert.c: Include c-common.h.
2531         * Makefile.in (c-convert.o): Updated.
2532
2533 2002-04-05  Jakub Jelinek  <jakub@redhat.com>
2534
2535         * mklibgcc.in: Use separate libgcc.map for each multilib.
2536         * Makefile.in (distclean): Don't remove libgcc.map here.
2537
2538 2002-04-05  Jakub Jelinek  <jakub@redhat.com>
2539
2540         * Makefile.in (s-mlib): Handle --disable-multilib by separate
2541         genmultilib invocation.
2542
2543 2002-04-04  Richard Sandiford  <rsandifo@redhat.com>
2544
2545         * config/mips/mips.h (CUMULATIVE_ARGS): Rename fp_regs to num_fprs
2546         to avoid clash with Irix header file sys/ucontext.h.  Rename gp_regs
2547         to num_gprs for symmetry.
2548         * config/mips/mips.c: Adjust accordingly.
2549
2550 2002-04-04  Neil Booth  <neil@daikokuya.demon.co.uk>
2551
2552         * c-common.c (truthvalue_conversion): Rename, update.
2553         * c-common.h (c_common_truthvalue_conversion): New.
2554         * c-convert.c (convert): Update.
2555         * c-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Redefine.
2556         * c-parse.in (expr_no_commas, if_prefix, select_or_iter_stmt): Update.
2557         * c-typeck.c (build_binary_op, build_unary_op,
2558         build_conditional_expr): Update.
2559         * fold-const.c (constant_boolean_node, fold): Use langhook.
2560         * langhooks-def.h (LANGHOOK_INITIALIZER): Update.
2561         * langhooks.h (struct lang_hooks): New hook.
2562         * stmt.c (expand_decl_cleanup): Use langhook.
2563         * tree.h (truthvalue_conversion): Remove.
2564 objc:
2565         * objc-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Redefine.
2566
2567 2002-04-05  Alan Modra  <amodra@bigpond.net.au>
2568
2569         * config/rs6000/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtsavres.o
2570         Add rules to make null object file.
2571
2572 2002-04-04  Jim Blandy  <jimb@redhat.com>
2573
2574         * cppmacro.c (cpp_macro_definition): Do not emit spaces after
2575         macro formal parameter names.
2576
2577 2002-04-04  David S. Miller  <davem@redhat.com>
2578
2579         * calls.c (store_one_arg): If ECF_SIBCALL, use tail_call_reg.
2580
2581 2002-04-04  Richard Henderson  <rth@redhat.com>
2582
2583         PR middle-end/5099
2584         * stmt.c (expand_asm_operands): Validate outputs vs asm_operand_ok.
2585         Support copies into and out of memory.  Don't accept allows_reg
2586         and allows_mem as gospel.
2587
2588 2002-04-04  Richard Henderson  <rth@redhat.com>
2589
2590         PR opt/6165
2591         * alias.c (true_dependence): Force (mem:blk (scratch)) to conflict.
2592         (write_dependence_p): Likewise.
2593
2594 2002-04-04  Richard Henderson  <rth@redhat.com>
2595
2596         * predict.c (estimate_bb_frequencies): Do frequency calculation
2597         with a volatile temporary.
2598
2599 2002-04-04  Ulrich Weigand  <uweigand@de.ibm.com>
2600
2601         * config/s390/linux.h (LOCAL_LABEL_PREFIX): Define.
2602
2603 2002-04-04  Jakub Jelinek  <jakub@redhat.com>
2604
2605         PR c++/6119
2606         * final.c (final_start_function): Don't bump profile_label_no here...
2607         (final_end_function): ...but here.
2608
2609 2002-04-04  Jakub Jelinek  <jakub@redhat.com>
2610
2611         * config/sparc/sparc.md (pic): New attribute.
2612         (do_builtin_setjmp_setup): Save %fp, %i7 and %l7 for TARGET_V9
2613         into stack slots.
2614         (split after do_builtin_setjmp_setup): New.
2615
2616 2002-04-04  Jakub Jelinek  <jakub@redhat.com>
2617
2618         PR fortran/6106
2619         * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Backout 2001-01-01
2620         change.
2621
2622 2002-04-04  Jakub Jelinek  <jakub@redhat.com>
2623
2624         * config/sparc/sparc.c (sparc_va_arg): Adjust va_list by
2625         UNITS_PER_WORD for zero sized aggregates.
2626
2627 2002-04-03  David S. Miller  <davem@redhat.com>
2628
2629         * gcc.c (LINK_GCC_C_SEQUENCE_SPEC): No need for a new
2630         one-character spec for this, just use %(link_gcc_c_sequence).
2631
2632 2002-04-03  David S. Miller  <davem@redhat.com>
2633
2634         * config/sparc/crtfastmath.c (FPRS_NS): Delete bogus little-endian
2635         handling.
2636
2637 2002-04-03  John David Anglin  <dave@hiauly1.hia.nrc.ca>
2638
2639         * pa-linux.h (INCOMING_RETURN_ADDR_RTX): Move.
2640         (DWARF_FRAME_RETURN_COLUMN): Move.
2641         (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2642         (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Define.
2643         * pa.c (except.h, predict.h): Include.
2644         (FRP): Delete.
2645         (store_reg_modify, set_reg_plus_d): Revise prototypes.
2646         (output_ascii): Add cast.
2647         (store_reg_modify): Revise to add frame notes.
2648         (set_reg_plus_d): Likewise.
2649         (compute_frame_size): Include space for eh data registers in frame if
2650         the current function calls eh_return.
2651         (hppa_expand_prologue):  Ensure register %r2 is saved if the current
2652         function calls eh_return.  Save eh data registers if the current
2653         function calls eh_return.  Fix code to add frame notes.  Emit
2654         blockage to prevent insns with frame notes being scheduled in the
2655         delay slot of calls.
2656         (hppa_expand_epilogue): Restore eh data registers and do final stack
2657         adjustment if the current function calls eh_return.  Don't add frame
2658         notes.
2659         (output_call): Revise for change in length of call insn.  Don't do
2660         return pointer adjustment for an unconditional jump in the delay slot
2661         of a call when using frame notes.
2662         * pa.h (EH_RETURN_DATA_REGNO): Revise for TARGET_64BIT compatibility.
2663         (EH_RETURN_HANDLER_RTX): Use saved value on stack.
2664         (ARG_POINTER_CFA_OFFSET): Define.
2665         * pa.md (return_external_pic): New pattern.
2666         (prologue): Correct formatting.  Use return_external_pic if current
2667         function calls eh_return.
2668         (call_internal_symref, call_value_internal_symref,
2669         sibcall_internal_symref, sibcall_value_internal_symref): Change default
2670         lengths of short, long non-pic, and long pic calls to 8, 68, and 84,
2671         respectively.
2672         (exception_receiver): Use hppa_pic_save_rtx () to restore pic register.
2673
2674         * configure.in ("assembler dwarf2 debug_line support"): Add hppa*-*-* to
2675         list of targets to check using "nop" insn.
2676         * configure: Rebuilt.
2677
2678 2002-04-04  Alan Modra  <amodra@bigpond.net.au>
2679
2680         * config/rs6000/t-linux64 (EXTRA_MULTILIB_PARTS): Define.
2681
2682 2002-04-03  David S. Miller  <davem@redhat.com>
2683
2684         * gcc.c (LINK_GCC_C_SEQUENCE_SPEC): New spec to override the gcc/c
2685         library sequence passed to the linker.
2686         (LINK_COMMAND_SPEC): Use it.
2687         * doc/tm.texi: Document it, and mention from LINK_COMMAND_SPEC as
2688         a macro a target can use to avoid overriding LINK_COMMAND_SPEC.
2689         * config/sparc/sparc.h (LINK_GCC_C_SEQUENCE_SPEC): Define.
2690
2691 2002-04-03  Jason Merrill  <jason@redhat.com>
2692
2693         * except.c (struct eh_status): Remove protect_list.
2694         (begin_protect_partials, end_protect_partials): Remove.
2695         (add_partial_entry): Remove.
2696         * except.h: Remove prototypes.
2697
2698         * expr.c (expand_expr) [WITH_CLEANUP_EXPR, TARGET_EXPR]: Use
2699         expand_decl_cleanup_eh.
2700
2701         PR c++/5636
2702         * tree.h (CLEANUP_EH_ONLY): New macro.
2703         * stmt.c (expand_decl_cleanup_eh): New fn.
2704         (expand_cleanups): Check CLEANUP_EH_ONLY.
2705         * c-semantics.c (genrtl_decl_cleanup): Just take the CLEANUP_STMT.
2706         Use expand_decl_cleanup_eh.
2707         (expand_stmt): Adjust.
2708         * c-common.h: Adjust prototype.
2709
2710 2002-04-04  Hans-Peter Nilsson  <hp@axis.com>
2711
2712         * config/cris/cris.c (cris_target_asm_function_prologue): Cast
2713         uses of PIC_OFFSET_TABLE_REGNUM to int to silence warnings.
2714         (cris_target_asm_function_epilogue): Ditto.
2715         (cris_initial_frame_pointer_offset): Ditto.
2716         (cris_simple_epilogue): Ditto.
2717         (cris_expand_builtin_va_arg): Variable-size types come in
2718         by-reference.
2719
2720 2002-04-03  David S. Miller  <davem@redhat.com>
2721
2722         * config/sparc/crtfastmath.c (FPRS_NS): Get it right for
2723         little-endian.
2724         (set_fast_math): Correct 'fsr' type.
2725
2726 2002-04-03  Richard Henderson  <rth@redhat.com>
2727
2728         PR opt/3569
2729         * langhooks.h (lang_hooks.decls.warn_unused_global): New.
2730         * toplev.c (check_global_declarations): Use it.
2731         * langhooks-def.h (lhd_warn_unused_global_decl): Declare.
2732         (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New.
2733         (LANG_HOOKS_DECLS): Add it.
2734         * langhooks.c (lhd_warn_unused_global_decl): New.
2735         * c-decl.c (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New.
2736         * c-objc-common.c (c_warn_unused_global_decl): New.
2737         * c-tree.h (c_warn_unused_global_decl): Declare.
2738         * objc/objc-lang.c (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New.
2739
2740 2002-04-03  Neil Booth  <neil@daikokuya.demon.co.uk>
2741
2742         * langhooks-def.h (lhd_set_decl_assembler_name,
2743         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME): New.
2744         (LANG_HOOKS_INITIALIZER): Update.
2745         * langhooks.c (lhd_set_decl_assembler_name): New, from tree.c
2746         * langhooks.h (struct lang_hooks): New hook.
2747         * tree.c (set_decl_assembler_name): Move to langhooks.c.
2748         (lang_set_decl_assembler_name): Remove.
2749         (init_obstacks): Don't set hook.
2750         (decl_assembler_name): New function.
2751         * tree.h (DECL_ASSEMBLER_NAME): Turn into a function call.
2752         (decl_assembler_name): New.
2753         (lang_set_decl_assembler_name): Remove.
2754
2755 2002-04-03  Jakub Jelinek  <jakub@redhat.com>
2756
2757         * configure.in (HAVE_SPARC_UA_PCREL_HIDDEN): Test whether %r_disp32()
2758         works properly with .hidden symbols.
2759         * configure: Rebuilt.
2760         * config.in: Rebuilt.
2761         * config/sparc/sparc.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
2762         DW_EH_PE_absptr for flag_pic && GLOBAL if %r_disp32() doesn't work
2763         properly with .hidden symbols.
2764
2765 2002-04-03  Jakub Jelinek  <jakub@redhat.com>
2766
2767         PR middle-end/6102
2768         * df.c (df_insn_refs_record): Use XEXP not SET_DEST to access
2769         USE argument.
2770
2771 2002-04-03  Richard Henderson  <rth@redhat.com>
2772
2773         PR opt/4120
2774         * sched-rgn.c (sets_likely_spilled): New.
2775         (sets_likely_spilled_1): New.
2776         (add_branch_dependences): Use it.
2777
2778 2002-04-02  Richard Henderson  <rth@redhat.com>
2779
2780         PR opt/4311
2781         * loop.h (LOOP_FIRST_PASS): New.
2782         * loop.c (strength_reduce): Mind it when deciding to unroll.
2783         * toplev.c (rest_of_compilation): Set it.
2784
2785 2002-04-02  David S. Miller  <davem@redhat.com>
2786
2787         * config/sparc/sparc.md (ldd peephole2s): Fix final arg to
2788         mems_ok_for_ldd_peep when the order of the loads being examined
2789         is reversed.
2790         * config/sparc/sparc.c (mems_ok_for_ldd_peep): Expand upon
2791         existing comment to increase comprehension of this situation.
2792
2793 2002-04-02  Zack Weinberg  <zack@codesourcery.com>
2794
2795         * config/sh/sh.md: Don't use union real_extract.
2796
2797 2002-04-02  Richard Henderson  <rth@redhat.com>
2798
2799         * libgcc2.c (__bb_exit_func): Revert 03-31 change.
2800
2801 2002-04-02  David O'Brien  <obrien@FreeBSD.org>
2802
2803         * config.gcc (i386-dg-dgux, i386-go32-msdos , i386-go32-rtems,
2804         i386-ibm-aix, i386-moss-msdos, i386-ncr-sysv4, i386-next-,
2805         i386-pc-msdosdjgpp, i386-sequent-bsd, i386-sequent-ptx1,
2806         i386-sequent-ptx2, i386-sequent-ptx4, i386-sun-sunos,
2807         i386-wrs-vxworks, i386-*-aout, i386-*-beoself, i386-*-bsd,
2808         i386-*-bsdi, i386-*-chorusos, i386-*-coff, i386-*-elf,
2809         i386-*-freebsd5, i386-*-freebsd-aout, i386-*-gnu, i386-*-interix,
2810         i386-*-interix3, i386-*-isc, i386-*-linux, i386-*-linuxaout,
2811         i386-*-linuxoldld, i386-*-lynxos, i386-*-mach, i386-*-mingw32,
2812         i386-*-netbsd, i386-*-netbsdelf, i386-*-netware, i386-*-openbsd,
2813         i386-*-osf1, i386-*-osfrose, i386-*-pe , i386-*-rtems,
2814         i386-*-rtemscoff, i386-*-sco3.2v5, i386-*-solaris2, i386-*-sysv,
2815         i386-*-sysv4, i386-*-sysv5, i386-*-udk, i386-*-uwin, i386-*-vsta,
2816         i386-*-win32, x86_64-*-freebsd5, x86_64-*-linux, x86_64-*-netbsd):
2817         Include as many configury headers via tm_file as possible.  This
2818         includes among others i386/unix.h, i386/bsd.h, i386/gas.h.
2819         * config/openbsd-oldgas.h: New file.
2820         * config/i386/386bsd.h, config/i386/aix386ng.h, config/i386/att.h,
2821         config/i386/bsd.h, config/i386/djgpp.h, config/i386/freebsd-aout.h,
2822         config/i386/gas.h, config/i386/gstabs.h, config/i386/i386-aout.h,
2823         config/i386/i386-coff.h, config/i386/i386-interix.h,
2824         config/i386/iscdbx.h, config/i386/linux-aout.h,
2825         config/i386/linux-oldld.h, config/i386/lynx-ng.h, config/i386/lynx.h,
2826         config/i386/mach.h, config/i386/netbsd.h, config/i386/next.h,
2827         config/i386/openbsd.h, config/i386/osfelf.h, config/i386/osfrose.h,
2828         config/i386/sco5.h, config/i386/seq-gas.h, config/i386/seq-sysv3.h,
2829         config/i386/seq2-sysv3.h, config/i386/sequent.h, config/i386/sun.h,
2830         config/i386/sun386.h, config/i386/svr3dbx.h, config/i386/svr3gas.h,
2831         config/i386/sysv3.h, config/i386/uwin.h, config/i386/vsta.h,
2832         config/i386/vxi386.h: Do not directly include configury headers.
2833         * config/i386/cygwin.h, config/i386/djgpp.h, config/i386/win32.h:
2834         Directly include configury headers that are no longer automatically
2835         included by the above headers.
2836         * config/i386/att.h, config/i386/bsd.h (TARGET_VERSION): Do not define.
2837         * config/i386/386bsd.h, config/i386/aix386ng.h, config/i386/cygwin.h,
2838         config/i386/djgpp.h, config/i386/i386-aout.h, config/i386/i386-coff.h,
2839         config/i386/lynx-ng.h, config/i386/lynx.h, config/i386/mach.h,
2840         config/i386/netbsd.h, config/i386/openbsd.h, config/i386/rtems.h,
2841         config/i386/seq-sysv3.h, config/i386/sequent.h, config/i386/svr3gas.h,
2842         config/i386/sysv3.h, config/i386/vsta.h, config/i386/vxi386.h
2843         (TARGET_VERSION): Define.
2844         * config/i386/beos-elf.h, config/i386/freebsd.h,
2845         config/i386/i386-interix.h, config/i386/i386elf.h, config/i386/linux.h,
2846         config/i386/linux64.h, config/i386/netbsd-elf.h, config/i386/netbsd64.h,
2847         config/i386/osfelf.h, config/i386/osfrose.h, config/i386/ptx4-i.h,
2848         config/i386/sco5.h, config/i386/sysv4.h
2849         (TARGET_VERSION): Do not need to protect.
2850         * config/i386/freebsd64.h (TARGET_VERSION): Fix style.
2851         * config/i386/386bsd.h, config/i386/cygwin.h, config/i386/djgpp.h,
2852         config/i386/freebsd-aout.h, config/i386/i386-aout.h,
2853         config/i386/i386-interix.h, config/i386/linux-aout.h,
2854         config/i386/linux-oldld.h, config/i386/mach.h, config/i386/netbsd.h,
2855         config/i386/openbsd.h, config/i386/vsta.h, config/i386/win32.h
2856         (YES_UNDERSCORES): Do not define - not needed.
2857         * config/i386/bsd.h, config/i386/gas.h (LPREFIX,
2858         ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL,
2859         USER_LABEL_PREFIX): Do not handle the "NO_UNDERSCORES" case.
2860         * config/i386/i386-coff.h, config/i386/lynx.h, config/i386/lynx-ng.h
2861         (LPREFIX, ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL,
2862         USER_LABEL_PREFIX): Define. (handles the "NO_UNDERSCORES" case)
2863         * config/i386/isc.h: Preserve comment from config/i386/isccoff.h.
2864         * config/i386/isccoff.h, config/i386/v3gas.h: Remove.
2865
2866 2002-04-02  Eric Botcazou  <ebotcazou@multimania.com>
2867             Richard Henderson  <rth@redhat.com>
2868
2869         PR c/5484
2870         * function.c (assign_temp): Accept either type or decl argument.
2871         Detect variables whose size is too large to fit into an integer.
2872         * stmt.c (expand_decl): Pass the decl, not the type.
2873
2874 2002-04-02  David O'Brien  <obrien@FreeBSD.org>
2875
2876         * protoize.c: Match include directory usage with cppdefault.c.
2877
2878 2002-04-03  Jeffrey A Law  (law@redhat.com)
2879             Hans-Peter Nilsson  <hp@bitrange.com>
2880
2881         * combine.c (simplify_comparison): Avoid narrowing a comparison
2882         with a paradoxical subreg when doing so would drop signficant bits.
2883
2884 2002-04-02  Steve Ellcey  <sje@cup.hp.com>
2885
2886         * builtins.c (expand_builtin_prefetch): Force op0 pointer to Pmode
2887         if POINTERS_EXTEND_UNSIGNED is defined.
2888
2889 2002-04-02  Richard Henderson  <rth@redhat.com>
2890
2891         PR opt/3967
2892         * local-alloc.c (contains_replace_regs): LO_SUM may contain
2893         replace regs.
2894
2895 2002-04-02  Richard Henderson  <rth@redhat.com>
2896
2897         * doc/standards.texi: Document required freestanding libc entry points.
2898
2899 2002-04-02  Alan Modra  <amodra@bigpond.net.au>
2900
2901         * config/rs6000/rs6000.md (ctrdi*): Add FPR constraint and
2902         associated splitter.  Remove MQ constraint.
2903         (ctrdi_internal4): Correct CCmode clobber.
2904
2905 2002-04-02  John David Anglin  <dave@hiauly1.hia.nrc.ca>
2906
2907         * milli64.S ($$dyncall): New function.
2908         * t-linux (LIB1ASMFUNCS): Revise module list.
2909         (LIB1ASMSRC): Use pa/milli64.S.
2910
2911 2002-04-02  Richard Henderson  <rth@redhat.com>
2912
2913         * fixinc/inclhack.def (AAB_solaris_sys_varargs_h): Move and
2914         rename solaris_sys_varargs_h.
2915
2916 Tue Apr  2 06:47:40 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2917
2918         * stor-layout.c (layout_type, case ARRAY_TYPE): Give one-element array
2919         the same mode as its component.
2920
2921 2002-04-02  Richard Henderson  <rth@redhat.com>
2922
2923         PR opt/190
2924         * final.c (this_is_asm_operands): Export.
2925         * output.h (this_is_asm_operands): Declare.
2926         * config/i386/i386.c (print_operand): Error odd asm operands.
2927
2928 2002-04-02  Richard Henderson  <rth@redhat.com>
2929
2930         PR opt/420
2931         * config/m68k/m68k.md (dbcc peepholes): Match four forms of dbra.
2932
2933 2002-04-01  Richard Henderson  <rth@redhat.com>
2934
2935         PR target/1538
2936         * fixinc/inclhack.def (solaris_sys_varargs_h): New.
2937         * fixinc/fixincl.x: Rebuild.
2938
2939 2002-04-01  Richard Henderson  <rth@redhat.com>
2940
2941         * config/ia64/unwind-ia64.c: Include ia64intrin.h.
2942         (atomic_alloc, atomic_free): New.
2943         (SIZE, MASK_FOR, PTR_IN): New.
2944         (emergency_reg_state, emergency_reg_state_free): New.
2945         (emergency_labeled_state, emergency_labeled_state_free): New.
2946         (reg_state_alloced, labeled_state_alloced): New.
2947         (alloc_reg_state, free_reg_state): New.
2948         (alloc_label_state, free_label_state, free_label_states): New.
2949         (push, pop, dup_state_stack, free_state_stack): Use them.
2950         (desc_label_state): Likewise.
2951         (uw_frame_state_for): Free label states and state stack.
2952         (uw_update_reg_address): Eliminate warnings.
2953
2954 2002-04-01  Vladimir Makarov  <vmakarov@redhat.com>
2955
2956         * config/pa/pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON,
2957         ASM_OUTPUT_ALIGNED_LOCAL): Redefine them.
2958
2959 2002-04-01  Neil Booth  <neil@daikokuya.demon.co.uk>
2960
2961         * c-decl.c (grokdeclarator): Update.
2962         * c-lang.c (LANG_HOOKS_MARK_ADDRESSABLE): Redefine.
2963         * c-tree.h (c_mark_addressable): New.
2964         * c-typeck.c (default_function_array_conversion, build_unary_op,
2965         build_array_ref, convert_for_assignment): Update.
2966         (mark_addressable): Rename.
2967         * calls.c (try_to_integrate, expand_call): Use langhook.
2968         * expr.c (expand_expr): Use langhook.
2969         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Update.
2970         * langhooks.h (struct lang_hooks): New hook.
2971         * stmt.c (expand_asm_operands): Use langhook.
2972         * tree.h (mark_addressable): Remove.
2973 objc:
2974         * objc-lang.c (LANG_HOOKS_MARK_ADDRESSABLE): Redefine.
2975
2976 2002-04-01  Bob Wilson  <bob.wilson@acm.org>
2977
2978         * config/xtensa/xtensa.c (xtensa_va_arg): Fix compiler warning
2979         in previous change.
2980
2981 2002-04-01  Bob Wilson  <bob.wilson@acm.org>
2982
2983         * config/xtensa/xtensa.c (xtensa_va_arg): Fix to handle arguments
2984         for which MUST_PASS_IN_STACK is true (e.g., variable-sized types).
2985
2986 2002-04-01  Neil Booth  <neil@daikokuya.demon.co.uk>
2987
2988         * c-common.c (unsigned_conversion_warning, convert_and_check,
2989         unsigned_type, signed_type, shorten_compare,
2990         c_common_get_alias_set, c_common_nodes_and_builtins): Use new hooks.
2991         (unsigned_type, signed_type, signed_or_unsigned_type): Rename.
2992         * c-common.h (unsigned_type, signed_type, signed_or_unsigned_type):
2993         New.
2994         * c-decl.c (grokdeclarator): Update.
2995         * c-format.c (check_format_types): Update.
2996         * c-lang.c (LANG_HOOKS_SIGNED_TYPE, LANG_HOOKS_UNSIGNED_TYPE,
2997         LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): New.
2998         * c-typeck.c (build_binary_op, convert_for_assignment): Update.
2999         * convert.c (convert_to_integer): Use new hooks.
3000         * expmed.c (make_tree): Use new hooks.
3001         * expr.c (store_expr): Use new hooks.
3002         * fold-const.c (operand_equal_for_comparison_p, build_range_check,
3003         all_ones_mask_p, unextend, fold): Use new hooks.
3004         * langhooks.h (struct lang_hooks_for_types): New hooks.
3005         * tree.h (signed_or_unsigned_type, signed_type,
3006         unsigned_type): Remove.
3007 objc:
3008         * objc-lang.c (LANG_HOOKS_SIGNED_TYPE, LANG_HOOKS_UNSIGNED_TYPE,
3009         LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): New.
3010
3011 2002-03-31  Richard Henderson  <rth@redhat.com>
3012
3013         * config/ia64/unwind-ia64.c (alloc_spill_area): Fix offset.
3014         (desc_frgr_mem): Fix reference to f16-f31.
3015
3016 2002-03-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3017
3018         * rtl.h (RTL_CHECK1, RTL_CHECK2, RTL_CHECKC1, RTL_CHECKC2,
3019         RTVEC_ELT): Const-ify.
3020         * varray.h (VARRAY_CHECK): Const-ify.
3021         * ggc.h (ggc_mark_rtx, ggc_mark_tree, ggc_mark_nonnull_tree,
3022         ggc_mark_rtvec, ggc_mark): Const-ify.
3023
3024 2002-04-01  Neil Booth  <neil@daikokuya.demon.co.uk>
3025
3026         * diagnostic.c: Include langhooks-def.h.
3027         * Makefile.in (diagnostic.o): Update.
3028
3029 2002-03-31  Neil Booth  <neil@daikokuya.demon.co.uk>
3030
3031         * c-common.c (c_unsafe_for_reeval): Rename.
3032         * c-common.h (c_unsafe_for_reeval): Rename.
3033         * c-decl.c (finish_incomplete_decl): Rename.
3034         (c_init_decl_processing): Don't set langhook.
3035         * c-lang.c (LANG_HOOKS_FINISH_INCOMPLETE_DECL,
3036         LANG_HOOKS_UNSAFE_FOR_REEVAL): Redefine.
3037         * c-objc-common.c (c_objc_common_init): Don't set langhook.
3038         * c-tree.h (finish_incomplete_decl): Rename.
3039         * langhooks-def.h (lhd_unsafe_for_reeval): New.
3040         (LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL): New.
3041         (LANG_HOOKS_INITIALIZER): Update.
3042         * langhooks.c (lhd_unsafe_For_reeval): New.
3043         * langhooks.h (struct langhooks): New hooks.
3044         * toplev.c (incomplete_decl_finalize_hook): Remove.
3045         (wrapup_global_declarations): Update.
3046         * tree.c (lang_unsafe_for_reeval): Remove.
3047         (unsafe_for_reeval): Update.
3048         * tree.h (lang_unsafe_for_reeval, incomplete_decl_finalize_hook):
3049         Remove.
3050 objc:
3051         * objc-lang.c (LANG_HOOKS_FINISH_INCOMPLETE_DECL,
3052         LANG_HOOKS_UNSAFE_FOR_REEVAL): Redefine.
3053
3054 2002-03-31  Neil Booth  <neil@daikokuya.demon.co.uk>
3055
3056         * diagnostic.c (print_error_function): Remove.
3057         (default_print_error_function): Rename.
3058         (report_error_function): Update.
3059         * diagnostic.h (print_error_function): Remove.
3060         (default_print_error_function): Remove.
3061         * langhooks-def.h (struct diagnostic_context): Predeclare.
3062         (lhd_print_error_function, LANG_HOOKS_PRINT_ERROR_FUNCTION): New.
3063         (LANG_HOOKS_INITIALIZER): Update.
3064         * langhooks.h (struct diagnostic context): Predeclare.
3065         (struct lang_hooks): New hook.
3066
3067 2002-03-31  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
3068
3069         * config/rs6000/rs6000.h (RS6000_PIC_OFFSET_TABLE_REGNUM): New.
3070         (PIC_OFFSET_TABLE_REGNUM): Use it and return INVALID_REGNUM if
3071         !flag_pic.
3072         (CONDITIONAL_REGISTER_USAGE): Adjust accordingly.
3073         * config/rs6000/rs6000.h: Use RS6000_PIC_OFFSET_TABLE_REGNUM instead
3074         of PIC_OFFSET_TABLE_REGNUM thruout.
3075         * config/rs6000/rs6000.md: Likewise.
3076         * config/rs6000/darwin.h: Likewise.
3077
3078 Sun Mar 31 14:43:24 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3079
3080         * emit-rtl.c (adjust_address_1, offset_address): Cast value to
3081         unsigned HOST_WIDE_INT, not unsigned int.
3082
3083 2002-03-31  Jakub Jelinek  <jakub@redhat.com>
3084
3085         PR middle-end/6096, middle-end/6098, middle-end/6099
3086         * reorg.c (emit_delay_sequence): Only increment LABEL_NUSES for
3087         CODE_LABELs.
3088         (fill_slots_from_thread): Likewise.
3089
3090 2002-03-31  Jakub Jelinek  <jakub@redhat.com>
3091
3092         * config/sparc/sparc.c (function_arg_record_value_1): Pass complex
3093         floating fields in float regs.
3094         (function_arg_record_value_2): Likewise.
3095
3096 2002-03-31  Hans-Peter Nilsson  <hp@bitrange.com>
3097
3098         * config/mmix/mmix.md (define_constants): Remove misleading
3099         FIXME.  Add MMIX_fp_rO_OFFSET.
3100         ("nonlocal_goto_receiver"): Don't have stack-frame address of
3101         saved rO as part of the pattern.  Remove FIXME.
3102         ("*nonlocal_goto_receiver_expanded"): Similar.  Generate address
3103         here, at output-time.
3104
3105 2002-03-31  Jakub Jelinek  <jakub@redhat.com>
3106
3107         PR middle-end/6100
3108         * config/sparc/sparc.c (output_cbranch): Use REG_BR_PROB, not
3109         REG_BR_PRED.
3110         (output_v9branch): Likewise.
3111
3112 2002-03-31  Alexandre Oliva  <aoliva@redhat.com>
3113
3114         * gcc.c: Revert previous patch for now.
3115         * config/i386/djgpp.h: Likewise.
3116
3117 2002-03-31  Hans-Peter Nilsson  <hp@bitrange.com>
3118
3119         * config/mmix/crti.asm (_init): Register _fini with atexit.
3120         * config/mmix/crtn.asm (_fini): Add omitted "POP 0,0".
3121
3122 2002-03-31  Richard Henderson  <rth@redhat.com>
3123
3124         PR target/3997
3125         * config/alpha/elf.h (ASM_OUTPUT_DEF): Tidy.
3126         (ASM_OUTPUT_DEF_FROM_DECLS): New.
3127
3128 2002-03-31  Richard Henderson  <rth@redhat.com>
3129
3130         * libgcc2.c (__bb_exit_func): Make static.
3131
3132         * config/alpha/alpha.md (trap): New.
3133
3134 2002-03-31  Richard Henderson  <rth@redhat.com>
3135
3136         * builtins.c (expand_builtin_va_arg): Give warnings not errors for
3137         promoted argument types; build trap.
3138         (expand_builtin_trap): New.
3139         (expand_builtin): Use it.
3140         * stmt.c (expand_nl_goto_receivers): Likewise.
3141         * expr.h (expand_builtin_trap): Declare.
3142         * libfuncs.h (LTI_abort, abort_libfunc): New.
3143         * optabs.c (init_optabs): Init abort_libfunc.
3144
3145 2002-03-31  Alexandre Oliva  <aoliva@redhat.com>
3146
3147         * gcc.c (LIBGCC_SPEC): Folded %L and duplicate %G here...
3148         (LINK_COMMAND_SPEC): ... from here.
3149         (init_gcc_specs): Duplicate it here too, omitting
3150         shared_name in the second copy.
3151         (init_spec): Test for duplicate
3152         * config/i386/djgpp.h (LINK_COMMAND_SPEC): Remove `%L %G'.
3153
3154 2002-03-30  David S. Miller  <davem@redhat.com>
3155
3156         * config/sparc/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3157         * config/sparc/linux64.h (HANDLE_PRAGMA_PACK_PUSH_POP): Likewise.
3158
3159 2002-03-30  Roger Sayle <roger@eyesopen.com>
3160             Richard Henderson  <rth@redhat.com>
3161
3162         * regmove.c (combine_stack_adjustments_for_block): Avoid
3163         emitting a stack adjustment of zero bytes.  Let delete_insn
3164         update bb->head.
3165
3166 2002-03-30  Richard Henderson  <rth@redhat.com>
3167
3168         * config/sparc/sparc.c: Remove all references to TARGET_EPILOGUE.
3169         (sparc_emitting_epilogue): New.
3170         (leaf_label, output_return, sparc_return_peephole_ok): Remove.
3171         * config/sparc/sparc-protos.h: Update.
3172         * config/sparc/sparc.h (MASK_EPILOGUE, TARGET_EPILOGUE): Remove.
3173         (TARGET_SWITCHES): Update.
3174         * config/sparc/sparc.md (return): Remove.
3175         (return_*): Use sparc_emitting_epilogue, not !TARGET_EPILOGUE.
3176         * config/sparc/freebsd.h, config/sparc/linux64.h, config/sparc/lite.h,
3177         config/sparc/liteelf.h, config/sparc/netbsd-elf.h,
3178         config/sparc/sol2-sld-64.h, config/sparc/sol2.h,
3179         config/sparc/sp64-aout.h, config/sparc/sp64-elf.h,
3180         config/sparc/sp86x-aout.h, config/sparc/sp86x-elf.h,
3181         config/sparc/splet.h, config/sparc/vxsparc64.h (TARGET_DEFAULT):
3182         Remove MASK_EPILOGUE.
3183         * doc/invoke.texi: Update.
3184
3185 2002-03-30  Daniel Berlin  <dan@dberlin.org>
3186
3187         * dwarf2out.c (dwarf2out_define): Remove start_source_file call,
3188         CPP will start the file for us.
3189
3190 2002-03-30  Richard Henderson  <rth@redhat.com>
3191
3192         PR target/5446
3193         * config/ia64/ia64.c (group_barrier_needed_p): Special case
3194         prologue_allocate_stack.
3195         (ia64_single_set): Use insn codes for recognition of special
3196         cases, not rtl matching.
3197         * config/ia64/ia64.md (prologue_allocate_stack): Op 3 is in-out.
3198
3199 Sat Mar 30 23:48:41 CET 2002  Jan Hubicka  <jh@suse.cz>
3200
3201         * cfgbuild.c (find_basic_blocks_1): Clear aux for blocks.
3202
3203 2002-03-30  Richard Henderson  <rth@redhat.com>
3204
3205         PR target/6032
3206         * config/sparc/sparc.h (OVERRIDE_OPTIONS): Don't override -fpic
3207         or -fomit-frame-pointer with profiling.
3208         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3209         (FUNCTION_PROFILER): Do nothing.
3210         (PROFILE_HOOK): New.
3211         * config/sparc/sparc.c (sparc_override_options): Don't check
3212         code models for profiling.
3213         (sparc_function_profiler): Remove.
3214         (sparc_profile_hook): New.
3215         * config/sparc/sparc-protos.h: Update.
3216
3217 2002-03-30  Jakub Jelinek  <jakub@redhat.com>
3218
3219         PR optimization/6086
3220         * combine.c (combine_simplify_rtx): If simplify_rtx failed because
3221         of SUBREG of volatile MEM or because the MEM was mode dependent,
3222         return CLOBBER instead of unmodified SUBREG.
3223
3224 Sat Mar 30 14:08:55 CET 2002  Jan Hubicka  <jh@suse.cz>
3225
3226         * local-alloc.c (local_alloc): Avoid call of update_equiv_regs
3227         when not optimizing.
3228
3229         * toplev.c (rest_of_compilation): Cann mark_constant_function
3230         only when optimizing.
3231
3232         * flow.c (calculate_global_regs_live): Ensure that all AUX fields
3233         are NULL.
3234
3235         * cfgcleanup.c (bb_flags): Add BB_NONTHREADABLE_BLOCK.
3236         (thread_jump): Set BB_NONTHREADABLE_BLOCK, check it.
3237         (try_optimize_cfg): clear all AUX fields.
3238
3239         * i386.c (aligned_operand): Be prepared for SUBREGed registers.
3240         (ix86_decompose_address): Use REG_P instead of GET_CODE (...) == REG.
3241         (ix86_address_cost): Be prepared for SUBREGed registers.
3242         (legitimate_address_p): Accept SUBREGed registers.
3243
3244 2002-03-29  Richard Henderson  <rth@redhat.com>
3245
3246         PR target/5672
3247         * expr.c (expand_expr): Pass along EXPAND_INITIALIZER one more place.
3248
3249 2002-03-29  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
3250
3251         * config/rs6000/rs6000.c (rs6000_va_arg): Correctly set register count
3252         for aggregate and TFmode types.
3253
3254 2002-03-29  Hans-Peter Nilsson  <hp@bitrange.com>
3255
3256         * cfg.c (dump_flow_info): Guard against NULL regno_reg_rtx[i].
3257
3258 2002-03-29  Richard Henderson  <rth@redhat.com>
3259
3260         PR target/5886
3261         * config/ia64/aix.h (CPP_PREDEFINES): Add -D_LP64.
3262         * config/ia64/hpux.h, config/ia64/linux.h: Likewise.
3263
3264 2002-03-29  Richard Henderson  <rth@redhat.com>
3265
3266         PR target/6041
3267         * config/i386/i386.c (x86_arch_always_fancy_math_387): New.
3268         (override_options): Disable NO_FANCY_MATH_387 if the arch allows.
3269         * config/i386/i386.h (x86_arch_always_fancy_math_387): New.
3270         * config/i386/i386.md (sqrtxf2, sqrtextendsfxf2, sinxf2): Fix
3271         conditional.
3272         * docs/invoke.texi: Update -mno-fancy-math-387 docs.
3273
3274 2002-03-29  Dale Johannesen <dalej@apple.com>
3275
3276         * loop.c (combine_movables): Do allow combination of pseudos.
3277
3278 2002-03-29  Loren J. Rittle  <ljrittle@acm.org>
3279
3280         * config.gcc (*-*-freebsd*): Enable creation of libgcc_s.so.
3281         * config/t-slibgcc-elf-ver (SHLIB_LC): Add macro and use it.
3282         No functional change except ...
3283         * config/t-slibgcc-nolc-override (SHLIB_LC): Override it.  New file.
3284         * doc/install.texi (*-*-freebsd*): Document port configuration.
3285
3286 2002-03-29  Neil Booth  <neil@daikokuya.demon.co.uk>
3287
3288         * Makefile.in (convert.o, calls.o, expmed.o): Update.
3289         * attribs.c (handle_mode_attribute, handle_vector_size_attribute):
3290         Use new hooks.
3291         * builtin-types.def (BT_PTRMODE): Update.
3292         * c-common.c (type_for_size): Rename c_common_type_for_size.
3293         (type_for_mode): Similarly.
3294         (shorten_compare, pointer_int_sum, c_common_nodes_and_builtins):
3295         Use new hook.
3296         * c-bommon.h (c_common_type_for_size, c_common_type_for_mode): New.
3297         * c-decl.c (finish_enum, build_enumerator): Use new hooks.
3298         * c-lang.c (LANG_HOOKS_TYPE_FOR_MODE, LANG_HOOKS_TYPE_FOR_SIZE):
3299         Redefine.
3300         * c-typeck.c (common_type, comptypes, default_conversion):
3301         Use new hooks.
3302         * calls.c: Include langhooks.h.
3303         (emit_library_call_value_1): Use new hooks.  Avoid redundant
3304         calls.
3305         * convert.c: Include langhooks.h
3306         (convert_to_pointer, convert_to_integer): Use new hooks.
3307         * except.c (init_eh): Similarly.
3308         * expmed.c: Include langhooks.h.
3309         (expand_mult_add): Use new hooks.
3310         * expr.c (store_expr, store_constructor, expand_expr, do_jump,
3311         try_casesi): Similarly.
3312         * fold-const.c (optimize_bit_field_compare, make_range,
3313         decode_field_reference, fold_truthop, fold): Similarly.
3314         * function.c (assign_stack_local_1, assign_stack_temp_for_type,
3315         put_var_into_stack): Similarly.
3316         * langhooks-def.h (LANG_HOOKS_TYPE_FOR_MODE,
3317         LANG_HOOKS_TYPE_FOR_SIZE): New.
3318         (LANG_HOOKS_TYPES_INITIALIZER): Update.
3319         * langhooks.h (lang_hooks_for_types): New hooks.
3320         * stmt.c (expand_decl_cleanup, emit_case_nodes): Use new hooks.
3321         * tree.c (get_unwidened, get_narrower): Similarly.
3322         * tree.h (type_for_mode, type_for_size): Remove.
3323         * varasm.c (force_const_mem): Use new hooks.
3324         * utils2.c (nonbinary_modular_operation): Update.
3325 objc:
3326         * objc-act.c (handle_impent): Update.
3327         * objc-lang.c (LANG_HOOKS_TYPE_FOR_MODE, LANG_HOOKS_TYPE_FOR_SIaZE):
3328         Redefine.
3329
3330 2002-03-29  Steve Ellcey  <sje@cup.hp.com>
3331
3332         * config/ia64/ia64.md (*ptr_extend_plus_1, *ptr_extend_plus_2): New.
3333         * config/ia64/ia64.c (basereg_operand): New.
3334         * config/ia64/ia64-protos.h (basereg_operand): Declare.
3335         * config/ia64/ia64.h (PREDICATE_CODES): Add basereg_operand.
3336
3337 2002-03-29  Hans-Peter Nilsson  <hp@bitrange.com>
3338
3339         * config/mmix/mmix.c (mmix_target_asm_function_prologue): Correct
3340         unwind information when frame_pointer_needed.
3341         (mmix_assemble_integer): Tweak wording in comment.
3342
3343 2002-03-29  Neil Booth  <neil@daikokuya.demon.co.uk>
3344
3345         * Makefile.in (except.o): Update.
3346         * except.c: Include langhooks.h.
3347         (init_eh): Use langhook.
3348         * langhooks-def.h (LANG_HOOKS_MAKE_TYPE,
3349         LANG_HOOKS_FOR_TYPES_INITIALIZER): New.
3350         (LANG_HOOKS_INITIALIZER): Update.
3351         * langhooks.h (lang_hooks_for_types): New.
3352         (struct lang_hooks): Add it.
3353         * tree.c (make_lang_type_fn, make_lang_type): Remove.
3354         * tree.h (make_lang_type_fn, make_lang_type): Remove.
3355 config:
3356         * alpha/alpha.c: Include langhooks.h.
3357         (alpha_build_va_list): Use langhook.
3358         * d30v/d30v.c: Include langhooks.h.
3359         (d30v_build_va_list): Use langhook.
3360         * i386/i386.c: Include langhooks.h.
3361         (ix86_build_va_list): Use langhook.
3362         * rs6000/rs6000.c (rs6000_build_va_list): Use langhook.
3363         * s390/s390.c: Include langhooks.h.
3364         (s390_build_va_list): Use langhook.
3365         * stormy16/stormy16.c: Include langhooks.h.
3366         (stormy16_build_va_list): Use langhook.
3367
3368 2002-03-29  Jakub Jelinek  <jakub@redhat.com>
3369
3370         PR c++/5964
3371         * config/sparc/sparc.md (empty_delay_slot, branch_type): New
3372         attributes.
3373         (length): Compute variable length for branches/calls/jumps here.
3374         (branch, inverted_branch, normal_fp_branch, inverted_fp_branch,
3375         normal_fpe_branch, inverted_fpe_branch): Remove length attribute,
3376         define branch_type attribute.
3377         (divsi3_sp32): Maximum length is 6 not 7.
3378         (call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
3379         call_address_untyped_struct_value_sp32,
3380         call_symbolic_untyped_struct_value_sp32): Set length to 3 not 2.
3381         * config/sparc/sparc.c (empty_delay_slot): New function.
3382         * config/sparc/sparc.h (ADJUST_INSN_LENGTH): Remove.
3383         * config/sparc/sparc-protos.h (empty_delay_slot): Add prototype.
3384
3385 2002-03-29  Jakub Jelinek  <jakub@redhat.com>
3386
3387         * combine.c (set_nonzero_bits_and_sign_copies): Don't call
3388         nonzero_bits if not needed.
3389         (nonzero_bits) [XOR]: Likewise.
3390         (nonzero_bits) [REG]: Use reg_last_set_nonzero_bits even if
3391         reg_last_set_mode and mode are both MODE_INT, but not equal.
3392         (record_value_for_reg): Compute reg_last_set_nonzero_bits
3393         in nonzero_bits_mode for MODE_INT modes.
3394
3395 2002-03-28  Richard Henderson  <rth@redhat.com>
3396
3397         PR target/5715
3398         * config/alpha/osf.h (ASM_SPEC): Don't pass any special options
3399         to GAS.  Correct drift between alternatives.
3400
3401 2002-03-28  Richard Henderson  <rth@redhat.com>
3402
3403         PR target/6087
3404         * reload1.c (fixup_abnormal_edges): Move insn to edge via sequence.
3405
3406 2002-03-28  Alexandre Oliva  <aoliva@redhat.com>
3407
3408         * config/i386/freebsd.h (LINK_SPEC): Don't pass default
3409         emulation to the linker.
3410
3411 2002-03-28  Loren J. Rittle  <ljrittle@acm.org>
3412
3413         * config/alpha/freebsd.h (LINK_SPEC): Likewise.
3414         * config/sparc/freebsd.h (LINK_SPEC): Likewise.
3415
3416 Thu Mar 28 16:35:31 2002  Jeffrey A Law  (law@redhat.com)
3417
3418         * combine.c (simplify_and_const_int): Make sure to apply mask
3419         when force_to_mode returns a constant integer.  PR3311.
3420
3421 2002-03-28  John David Anglin  <dave@hiauly1.hia.nrc.ca>
3422
3423         * pa-linux.h (LOCAL_LABEL_PREFIX): Define.
3424
3425 2002-03-28  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
3426
3427         * doc/invoke.texi (Warning Options): Refer to C++ Dialect Options
3428         and Objective-C Dialect Options.
3429
3430 2002-03-28  Richard Henderson  <rth@redhat.com>
3431
3432         * config/alpha/alpha.c (alpha_emit_conditional_branch): TFmode NE
3433         comparison should be done vs !=0 not >0 return code.  Tidy cases.
3434
3435 2002-03-28  Richard Henderson  <rth@redhat.com>
3436
3437         * c-decl.c (finish_function): New arg can_defer_p.  Pass it
3438         on to c_expand_body.
3439         * c-tree.h (finish_function): Update decl.
3440         * c-objc-common.c, c-parse.in, objc/objc-act.c: Update calls.
3441
3442 Thu Mar 28 19:13:36 CET 2002  Jan Hubicka  <jh@suse.cz>
3443
3444         * ifcvt.c (if_convert): Clear aux_for_blocks early enought.
3445
3446 Thu Mar 28 13:21:53 CET 2002  Jan Hubicka  <jh@suse.cz>
3447
3448         * rtlanal.c: Include flags.h
3449         (may_trap_p): Do not mark FP operations if trapping
3450         if !flag_trapping_math
3451         * Makefile.in (rtlanal.o): Add dependency on flag.h
3452         * ifcvt.c (noce_operand_ok): Avoid the lameness.
3453
3454 2002-03-27  Zack Weinberg  <zack@codesourcery.com>
3455
3456         * mips.md: Use dconst1, not 1.0, as first argument of
3457         REAL_VALUE_LDEXP.  Don't use union real_extract.
3458
3459 2002-03-28  Alan Modra  <amodra@bigpond.net.au>
3460
3461         * configure.in (gcc_cv_as): Use $target_alias in directory searchs
3462         rather than $target.  Heed program_prefix and
3463         program_transform_name.  Search for gas in cross-compiler case too.
3464         "test -x" rather than "test -f".
3465         (gcc_cv_ld): Likewise.
3466         (gcc_cv_nm): Heed program_prefix and program_transform_name.
3467         (gcc_cv_objdump): Likewise.
3468         * configure: Regenerate.
3469
3470 2002-03-27  Neil Booth  <neil@daikokuya.demon.co.uk>
3471
3472         * Makefile.in (attribs.o): Update.
3473         * attribs.c: Include langhooks.h.
3474         (decl_attributes): Use langhook.
3475         * c-decl.c (insert_default_attributes): Rename.
3476         * c-tree.h (c_insert_default_attributes): New.
3477         * langhooks-def.h (LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES):New.
3478         (LANG_HOOKS_INITIALIZER): Update.
3479         * langhooks.h (struct lang_hooks): New hook.
3480         * tree.h (insert_default_attributes): Remove.
3481 objc:
3482         * objc-lang.c (LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES): Redefine.
3483
3484 2002-03-27  Andreas Schwab  <schwab@suse.de>
3485
3486         * config/i386/i386.c (classify_argument): Also check for
3487         QUAL_UNION_TYPE.
3488
3489 2002-03-27  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3490
3491         * doc/install.texi (alpha*-dec-osf*): Don't need --enable-libgcj
3492         any more.
3493
3494 Wed Mar 27 23:19:30 CET 2002  Jan Hubicka  <jh@suse.cz>
3495
3496         * i960.md (ret): Set PC.
3497         (nonlocal_goto): Fix expander.
3498         * builtins.c (epxand_builin_longjmp): Check that we've emitted
3499         some jump or call.
3500
3501 Wed Mar 27 23:11:35 CET 2002  Jan Hubicka  <jh@suse.cz>
3502
3503         * optabs.c (emit_no_conflict_block, emit_libcall_block): Avoid nesting
3504         of libcall regions.
3505
3506 Wed Mar 27 22:54:14 CET 2002  Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
3507
3508         * cfgrtl.c (merge_blocks_nomove): Use set_block_for_insn instead of
3509         assigning to BLOCK_FOR_INSN directly.
3510
3511 Wed Mar 27 22:33:05 CET 2002  Jan Hubicka  <jh@suse.cz>
3512
3513         * i386.c (ix86_output_addr_diff_elt): Remove binutils bug workaround.
3514
3515 2002-03-27  Neil Booth  <neil@daikokuya.demon.co.uk>
3516
3517         * c-common.c (c_expand_expr): Fix prototype.
3518         * c-common.h (c_expand_expr): Always declare, update.
3519         * c-lang.c (LANG_HOOKS_EXPAND_EXPR): Redefine.
3520         * c-objc-common.c (c_objc_common_init): No global hook.
3521         * expr.c (expand_expr): Use langhook.
3522         * expr.h (enum expand_modifier): Conditionally declare.
3523         * langhooks-def.h (lhd_expand_expr, LANG_HOOKS_EXPAND_EXPR): New.
3524         (LANG_HOOKS_INITIALIZER): Update.
3525         * langhooks.c (lhd_expand_expr): New.
3526         * langhooks.h (struct lang_hooks): New hook.
3527         * toplev.c (lang_expand_expr_t, lang_expand_expr): Delete.
3528         (lang_independent_init): Don't default hook.
3529 objc:
3530         * objc-lang.c (LANG_HOOKS_EXPAND_EXPR): Redefine.
3531
3532 2002-03-27  Richard Henderson  <rth@redhat.com>
3533
3534         PR target/6054
3535         * config/ia64/ia64.c (ia64_expand_call): Use pic patterns for
3536         TARGET_CONST_GP.  Simplify conditions.
3537
3538 2002-03-27  Richard Henderson  <rth@redhat.com>
3539
3540         * config/sparc/freebsd.h, config/sparc/linux.h, config/sparc/linux64.h,
3541         config/sparc/netbsd-elf.h, config/sparc/pbd.h, config/sparc/sol2.h,
3542         config/sparc/vxsim.h (LOCAL_LABEL_PREFIX): Define.
3543
3544 2002-03-27  Danny Smith  <dannysmith@users.sourceforge.net>
3545
3546         * config/i386/cygwin.h (TARGET_DLL, TARGET_WIN32,
3547         TARGET_CYGWIN, TARGET_WINDOWS): Remove unused switches.
3548         (MASK_DLL, MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS):
3549         Remove unnecessary masks.
3550         (MASK_NOP_FUN_DLLIMPORT): Use an unused an bit.
3551         (SUBTARGET_SWITCHES): Use empty masks for -mwin32, -mcygwin,
3552         -mwindows, -mdll switches and their negations.
3553
3554 2002-03-27  Neil Booth  <neil@daikokuya.demon.co.uk>
3555
3556         * gcc-common.c (lang_mark_false_label_stack): Remove.
3557         * ggc.h (lang_mark_false_label_stack): Similarly.
3558
3559 2002-03-26  Vladimir Makarov  <vmakarov@redhat.com>
3560
3561         * pa/pa-pro-end.h (CPP_PREDEFINES): Add -D__pro__.
3562
3563         * pa/lib2funcs.asm: Don't use .SPACE and .SUBSPACE if __pro__
3564         or __rtems_ is defined.
3565
3566 2002-03-26  Richard Henderson  <rth@redhat.com>
3567
3568         * config/alpha/alpha.c (alpha_emit_set_const): Add a REG_EQUAL note
3569         if a non-trivial load was emitted.
3570         (alpha_emit_set_const_1): Remove obsolete extension.  Fix thinko
3571         in high+extra+low case.
3572
3573 2002-03-26  Richard Henderson  <rth@redhat.com>
3574
3575         * config.gcc (sparc*-solaris): Use float_format=sparc.
3576
3577 2002-03-26  Richard Henderson  <rth@redhat.com>
3578
3579         * config/sparc/sparc.h (MAX_WCHAR_TYPE_SIZE): Don't define.
3580         * config/sparc/linux-aout.h (MAX_WCHAR_TYPE_SIZE): Don't undef.
3581         * config/sparc/linux.h, config/sparc/linux64.h: Likewise.
3582         * config/sparc/sol2.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Redefine.
3583         (WINT_TYPE_SIZE): Fix at 32.
3584
3585 2002-03-26  Richard Henderson  <rth@redhat.com>
3586
3587         * toplev.c (rest_of_compilation): Delay emit_initial_value_sets
3588         until after eh landing pad generation.
3589         * config/alpha/alpha.c (alpha_gp_save_rtx): Use gen_mem_addressof.
3590         * config/alpha/alpha.md (exception_receiver_2): Only accept MEMs.
3591
3592 2002-03-26  Richard Henderson  <rth@redhat.com>
3593
3594         * expr.h (ADD_PARM_SIZE): One more convert for INC.
3595
3596 2002-03-26  Phil Edwards  <pme@gcc.gnu.org>
3597
3598         * gcc.c (cpp_options):  Preserve relative ordering of -pedantic
3599         and warning switches.
3600         (cc1_options):  Likewise.
3601
3602 2002-03-26  Hans Boehm <Hans_Boehm@hp.com>
3603
3604         * config/ia64/linux.h (MD_FALLBACK_FRAME_STATE_FOR):
3605         Restore more of the signal context.  Set no_reg_stack_frame.
3606         * config/ia64/unwind-ia64.c (unw_state_record):
3607         Add no_reg_stack_frame, comments.
3608         (uw_frame_state_for): Initialize when field to UNW_WHEN_NEVER.
3609         (uw_update_context): Adjust bsp when unwinding from leaf,
3610         but not signal frame.
3611
3612 2002-03-26  David Edelsohn  <edelsohn@gnu.org>
3613
3614         * config/rs6000/aix51.h (WCHAR_TYPE): Define.
3615
3616 2002-03-26  Bob Wilson  <bob.wilson@acm.org>
3617
3618         * config/xtensa/xtensa.c (xtensa_va_arg): Handle variable-sized types.
3619
3620 2002-03-26  Richard Earnshaw  <rearnsha@arm.com>
3621
3622         PR target/5621
3623         * arm.md (define_asm_attributes): Reapply patch of Thu Sep 9, 1999:
3624         "Add a pool_range attribute", which was lost during the ARM/Thumb
3625         merge.
3626
3627 2002-03-26  Bob Wilson  <bob.wilson@acm.org>
3628
3629         * config/xtensa/xtensa.c (xtensa_valid_move): Allow move from
3630         a register into the MAC16 accumulator.
3631
3632 2002-03-26  Andrew Cagney  <ac131313@redhat.com>
3633
3634         * doc/invoke.texi (Option Summary): Mention -Wswitch-enum.
3635         (Warning Options): Document -Wswitch-enum.
3636         * toplev.c (W_options): Add -Wswitch-enum.  Update comment on
3637         -Wswitch.
3638         (warn_switch_enum): Define variables.
3639         * flags.h (warn_switch_enum): Declare variables.
3640         * stmt.c (expand_end_case_type): When warn_switch_enum /
3641         -Wswitch-enum, perform switch checks.
3642         Fix PR c/5044.
3643
3644 2002-03-26  Richard Earnshaw  <rearnsha@arm.com>
3645
3646         * arm.md (reload_mulsi3, reload_mulsi_compare0, reload_muladdsi)
3647         (reload_mulsi_compare0_scratch, reload_muladdsi_compare0)
3648         (reload_muladdsi_compare0_scratch): Delete.
3649
3650 2002-03-26  Loren J. Rittle  <ljrittle@acm.org>
3651
3652         * doc/install.texi (*-*-freebsd*): Update.
3653
3654 2002-03-26  Richard Henderson  <rth@redhat.com>
3655
3656         * expr.h (ADD_PARM_SIZE): Cast INC to ssizetype.
3657         (SUB_PARM_SIZE): Cast DEC to ssizetype.
3658
3659         * config/alpha/alpha.c (alpha_va_arg): Read MUST_PASS_IN_STACK
3660         types from the normal argument frame.
3661
3662         * config/sparc/sparc.c (function_arg_pass_by_reference): Pass
3663         variable sized objects by reference.
3664         (sparc_va_arg): Receive them by reference too.
3665
3666 2002-03-26  Hartmut Penner  <hpenner@de.ibm.com>
3667
3668         * config/s390/s390.c (s390_emit_epilogue): Change epilogue
3669         code to not restoring global registers.
3670
3671 2002-03-26  Neil Booth  <neil@daikokuya.demon.co.uk>
3672
3673         * Makefile.in (ggc-common.o): Update.
3674         * c-decl.c (lang_mark_tree): Rename c_mark_tree.
3675         * c-lang.c (LANG_HOOKS_MARK_TREE): Redefine.
3676         * c-tree.h (c_mark_tree): New.
3677         * ggc-common.c: Include langhooks.h.
3678         (gcc_mark_trees): Use new langhook.
3679         * ggc-callbacks.c: Delete file.
3680         * ggc.h (lang_mark_tree): Remove.
3681         * langhooks-def.h (LANG_HOOKS_MARK_TREE): New.
3682         (LANG_HOOKS_INITIALIZER): Update.
3683         * langhooks.h (struct lang_hooks): New hook.
3684 objc:
3685         * objc-lang.c (LANG_HOOKS_MARK_TREE): Redefine.
3686
3687 2002-03-25  Zack Weinberg  <zack@codesourcery.com>
3688
3689         * doc/cpp.texi: Exclude entire Top node from printed manual.
3690         Move option index after directive index.  Insert page breaks
3691         before GFDL and concept index.  Index environment variables
3692         with command line options.
3693         * doc/cppenv.texi: Use @vtable for environment variable list.
3694         Add paragraph explaining semantics of empty elements in path
3695         variables.  Exclude a cross-reference to Fishkill from the
3696         manpage.  Remove an unnecessary cross-reference of the entry
3697         right above the referer.  Don't use @anchor in text that goes
3698         into manpage.
3699         * doc/cppopts.texi: Cross-reference the environment variables
3700         section, not the specific environment variable, for consistency.
3701
3702 2002-03-25  Richard Henderson  <rth@redhat.com>
3703
3704         * recog.c (peephole2_optimize): Distribute EH_REGION -1 notes
3705         anywhere in the block.  Don't refer to insns that have been
3706         removed from the chain.  Iterate backward through the new insns.
3707         Don't refer to edges that have been removed.
3708
3709 2002-03-26  Alan Modra  <amodra@bigpond.net.au>
3710
3711         * combine.c (simplify_comparison <ASHIFTRT, LSHIFTRT>): Correct
3712         test for overflow of constant.
3713
3714 2002-03-25  Richard Earnshaw  <rearnsha@arm.com>
3715
3716         PR target/2623
3717         * arm.md (loadhi_preinc, loadhi_predec, loadhi_shiftpreinc)
3718         (loadhi_shiftpredec, loadhi-with-writeback peephole): Don't use
3719         these patterns on arm_archv4.
3720
3721 2002-03-25  Danny Smith  <dannysmith@sourceforge.users.net>
3722
3723         * config/i386/mingw32.h (WINT_TYPE): Define as "short unsigned
3724         int".
3725
3726 2002-03-25  Zack Weinberg  <zack@codesourcery.com>
3727
3728         * toplev.c: Don't include setjmp.h.  Kill float_handler_set,
3729         float_handled, float_handler, float_signal, set_float_handler,
3730         and do_float_handler.  Set handler for SIGFPE to crash_signal.
3731         * toplev.h: Don't prototype do_float_handler.
3732
3733         * c-lex.c: Fold parse_float into lex_number.  Make warning
3734         about portability of hex float constants more informative, and
3735         don't issue it on top of a syntax error.
3736         * fold-const.c: Fold const_binop_1 and fold_convert_1 into
3737         their callers.
3738         * real.h: Define REAL_VALUE_ABS here...
3739         * simplify-rtx.c: ... not here.  Fold check_fold_consts,
3740         simplify_unary_real, simplify_binary_real, and
3741         simplify_binary_is2orm1 into their callers.
3742         * tree.c: Fold build_real_from_int_cst_1 into caller.
3743
3744         * doc/tm.texi: Document REAL_VALUE_ABS and REAL_VALUE_NEGATIVE.
3745
3746         * tsystem.h: Include float.h here...
3747         * libgcc2.c: ... not here.
3748
3749 2002-03-25  Nick Clifton  <nickc@cambridge.redhat.com>
3750
3751         Fixes for: PR bootstrap/3591, target/5676
3752         * config/mcore/mcore.h (CC1_SPEC): Define only if not already
3753         defined.  Do not disable exceptions or rtti.
3754         * config/mcore/mcore-pe.h (CC1_SPEC): Define before including
3755         mcore.h.  Disable exceptions and rtti, since they are not
3756         supported by EPOC.
3757
3758 2002-03-25  Neil Booth  <neil@daikokuya.demon.co.uk>
3759
3760         * c-decl.c (maybe_build_cleanup): Remove.
3761         * expr.c (expand_expr): Use langhook.
3762         * langhooks-def.h (lhd_return_null_tree,
3763         LANG_HOOKS_MAYBE_BUILD_CLEANUP): New.
3764         (LANGHOOKS_INITIALIZER): Update.
3765         * langhooks.c (lhd_return_null_tree): New.
3766         * langhooks.h (struct lang_hooks): New hook.
3767         * tree-inline.c (initialize_inlined_parameters): Use langhook.
3768         * tree.h (maybe_build_cleanup): Remove.
3769
3770 2002-03-25  Jakub Jelinek  <jakub@redhat.com>
3771
3772         * regrename.c (build_def_use): Move recog_memoized
3773         before extract_insn.
3774
3775 2002-03-25  Jakub Jelinek  <jakub@redhat.com>
3776
3777         PR target/6043
3778         * expr.c (emit_group_store): Handle storing into CONCAT.
3779
3780 2002-03-25  Jakub Jelinek  <jakub@redhat.com>
3781
3782         * regrename.c (build_def_use): Share RTL between MATCH_OPERATOR and
3783         corresponding MATCH_DUP.
3784
3785 2002-03-24  Richard Henderson  <rth@redhat.com>
3786
3787         * unroll.c (unroll_loop): Zero label_map.
3788
3789         * gcse.c: Include except.h.
3790         * Makefile.in (gcse.o): Update.
3791
3792 2002-03-24  Richard Henderson  <rth@redhat.com>
3793
3794         * varasm.c (asm_emit_uninitialised): Revert 2002-03-14 change.
3795         Do resolve_unique_section before shared data clause.
3796
3797 2002-03-24  Richard Henderson  <rth@redhat.com>
3798
3799         * config/alpha/elf.h (STARTFILE_SPEC): Use crtbeginT with -static.
3800
3801 2002-03-24  Richard Henderson  <rth@redhat.com>
3802
3803         * recog.c (peephole2_optimize): Split blocks when EH insns are
3804         generated in the middle of a block.  Do global life update if
3805         zapped EH edges.
3806
3807 2002-03-24  Richard Henderson  <rth@redhat.com>
3808
3809         * mips.c (mips_function_value): Only promote_mode for non-libcalls.
3810
3811 2002-03-24  Neil Booth  <neil@daikokuya.demon.co.uk>
3812
3813         preprocessor/3951
3814         * gcc.c (cpp_options): Pass -MD through as -MD not -M -MF.
3815         * cppinit.c (cpp_handle_option): Set no_ouput if -MD or -MMD.
3816         (init_dependency_output): Don't make no_output decision here.
3817
3818 2002-03-24  Andrew Cagney  <ac131313@redhat.com>
3819
3820         * stmt.c (check_for_full_enumeration_handling): Remove tests of
3821         warn_switch.  Update description.
3822         (expand_end_case_type): Call check_for_full_enumeration_handling
3823         when warn_switch.
3824
3825 2002-03-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3826
3827         * config/m68hc11/m68hc11.c (m68hc11_autoinc_compatible_p): New function.
3828         (m68hc11_split_move): Call it to see if the source and destination
3829         operands use the same direction auto inc/dec mode, otherwise make the
3830         source an offsetable memory operand and generate an add.
3831
3832 2002-03-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3833
3834         * config/m68hc11/m68hc11.md ("*subsi3_zero_extendhi"): Allow address
3835         register for operand 2.
3836         ("*subsi3_zero_extendqi"): Likewise.
3837         ("*iorhi3_gen"): Do the operation on the upper bits and then lower
3838         bits so that it is compatible with a pop.
3839         ("*andhi3_gen"): Likewise.
3840         ("xorhi3"): Likewise.
3841
3842 2002-03-24  Neil Booth  <neil@daikokuya.demon.co.uk>
3843
3844         * cppinit.c (cpp_handle_option): Set warn_endif_labels if
3845         -pedantic here...
3846         (cpp_post_options): ... not here.
3847
3848 2002-03-24  Neil Booth  <neil@daikokuya.demon.co.uk>
3849             Aldy Hernandez  <aldyh@redhat.com>
3850
3851         Removal of separate preprocessor cpp0.
3852
3853         * Makefile.in (GCC_PASSES, STAGESTUFF, LIBCPP_OBJS,
3854         cpp0, install-common): Update.
3855         * c-common.c (flag_preprocess_only): New.
3856         (c_common_init): Preprocess for -E.
3857         * c-common.h (flag_preprocess_only): New.
3858         * c-decl.c (c_decode_option): Handle -E and -std=c++98.
3859         * c-objc-common.c (c_init_decl_processing): Exit quickly
3860         for NULL return from c_common_init.
3861         * cpplib.h (cpp_preprocess_file): New.
3862         * cppmain.c (main, general_init, pfile, progname): Remove.
3863         (do_preprocessing): Rename cpp_preprocess_file, don't call
3864         cpp_finish.  Don't close stdout here.
3865         (setup_callbacks): Update prototype.
3866         * gcc.c (trad_capable_cpp, cpp_unique_options, default_compilers):
3867         Update.
3868         * tradcpp.c (main): Ignore -quiet.
3869 objc:
3870         * lang-specs.h (default_compilers): Preprocess with cc1obj.
3871
3872 2002-03-24  Richard Henderson  <rth@redhat.com>
3873
3874         PR optimization/5742
3875         * machmode.def: Add inner mode field to complex modes.
3876         * config/mips/mips.c (mips_function_value): Always define.  Add
3877         new argument to handle libcalls.
3878         * config/mips/mips.h (LIBCALL_VALUE): Use mips_function_value.
3879         (FUNCTION_VALUE): Likewise.
3880         * config/mips/abi64.h (FUNCTION_VALUE): Remove.
3881         * config/mips/mips-protos.h: Update.
3882
3883 2002-03-23  Richard Henderson  <rth@redhat.com>
3884
3885         * config/sparc/sparc.c (sparc_emit_floatunsdi): New.
3886         * config/sparc/sparc-protos.h: Update.
3887         * config/sparc/sparc.md (floatunsdisf2, floatunsdidf2): New.
3888
3889 2002-03-23  Richard Henderson  <rth@redhat.com>
3890
3891         * config/sparc/gmon-sol2.c (internal_mcount): Assume either
3892         _start or _init begins the text segment.
3893
3894 2002-03-23  David Edelsohn  <edelsohn@gnu.org>
3895
3896         * config/rs6000/rs6000.h (RETURN_IN_MEMORY):  Cast to HOST_WIDE_INT
3897         not HOST_WIDEST_INT.
3898         (RS6000_ARG_SIZE): Remove unsigned cast of int_size_in_bytes.
3899
3900 2002-03-23  Richard Earnshaw  <rearnsha@arm.com>
3901
3902         PR java/5489
3903         * arm.md (return, sibcall_epilogue): Pass const_true_rtx as the
3904         operand argument to output_return_instruction.
3905         * arm.c (arm_print_operand, case 'd'): If the operand is
3906         const_true_rtx then just return.
3907         (arm_print_operand, case 'D'): If the operand is const_true_rtx
3908         then abort.
3909
3910 2002-03-23  Andrew Cagney  <ac131313@redhat.com>
3911
3912         * doc/invoke.texi (Option Summary): Mention -Wswitch-default.
3913         (Warning Options): Document -Wswitch-default.
3914         * toplev.c (W_options): Add -Wswitch-default.  Update comment on
3915         -Wswitch.
3916         (warn_switch_default): Define variable.
3917         (warn_switch): Update comment.
3918         * flags.h (warn_switch_default): Declare variable.
3919         (warn_switch): Update comment.
3920         * stmt.c (expand_end_case): Check for and, when
3921         warn_switch_no_default, warn of a missing default case.
3922
3923 2002-03-23  Alan Modra  <amodra@bigpond.net.au>
3924
3925         * real.h (N): Special case 128 bit doubles.
3926
3927         * combine.c (simplify_comparison): When widening modes, ignore
3928         sign extension on CONST_INTs.
3929
3930 2002-03-22  Bob Wilson  <bob.wilson@acm.org>
3931
3932         * config/xtensa/xtensa.c (print_operand): Fix incorrect mode
3933         passed to adjust_address.  Fix comment formatting.
3934
3935
3936 2002-03-22  Zack Weinberg  <zack@codesourcery.com>
3937
3938         * real.h: Don't define REAL_INFINITY or REAL_IS_NOT_DOUBLE.
3939         Always make REAL_VALUE_TYPE a struct containing an array of
3940         HOST_WIDE_INT, not a double.  Tidy up the code deciding how
3941         big it is.  Don't declare or use union real_extract.
3942
3943         * emit-rtl.c (init_emit_once), varasm.c (immed_real_const_1,
3944         decode_rtx_const, output_constant_pool), config/a29k/a29k.c
3945         (print_operand), config/arm/arm.c (output_move_double),
3946         config/arm/arm.md (consttable_4, consttable_8),
3947         config/romp/romp.c (output_fpops), config/s390/s390.h
3948         (ASM_OUTPUT_SPECIAL_POOL_ENTRY), config/xtensa/xtensa.c
3949         (xtensa_output_literal): Don't use union real_extract.
3950
3951         * config/dsp16xx/dsp16xx.c (print_operand), config/i860/i860.c
3952         (sfmode_constant_to_ulong), config/ns32k/merlin.h
3953         (PRINT_OPERAND), config/ns32k/ns32k.c (print_operand),
3954         config/pdp11/pdp11.h (PRINT_OPERAND), config/we32k/we32k.h
3955         (PRINT_OPERAND): Don't use local version of union
3956         real_extract.
3957
3958         * config/convex/convex.c (check_float_value), config/vax/vax.c
3959         (vax_float_literal), config/m88k/m88k.md (divdf3),
3960         config/dsp16xx/dsp16xx.md (fixuns_trunchfhi2),
3961         config/pdp11/pdp11.c (output_move_quad): Don't do host
3962         arithmetic on target floating point quantities.
3963
3964         * config/a29k/a29k.md, config/dsp16xx/dsp16xx.c
3965         (output_dsp16xx_float_const): Don't test HOST_FLOAT_FORMAT.
3966
3967         * fold-const.c (fold), simplify-rtx.c (simplify_binary_real):
3968         Use MODE_HAS_INFINITIES rather than #ifdef REAL_INFINITY.
3969
3970         * real.c (earith): Test INFINITY rather than REAL_INFINITY;
3971         NANS implies INFINITY, so can drop #ifdef NANS inside #ifndef
3972         INFINITY.
3973         * print-rtl.c (print_rtx): Disable code which needs
3974         floating-point emulator.
3975         * libgcc2.c: Include float.h and use DBL_MANT_DIG,
3976         FLT_MANT_DIG, to define DF_SIZE and SF_SIZE, rather than
3977         depending on HOST_FLOAT_FORMAT to be defined properly.
3978
3979         * config/1750a/1750a.c (get_double, float_label): Delete.
3980         (print_operand): Delete huge commented-out chunk.  Use
3981         REAL_VALUE_TO_DECIMAL.
3982         * config/1750a/1750a-protos.h: Delete prototypes of deleted
3983         functions.
3984         * config/convex/convex.h: Always set TARGET_FLOAT_FORMAT to
3985         IEEE_FLOAT_FORMAT.
3986         * config/i370/i370.h (PRINT_OPERAND [TARGET_HLASM version]):
3987         Use REAL_VALUE_TO_DECIMAL as ELF version does.
3988         * config/m88k/m88k.c (real_power_of_2_operand,
3989         legitimize_operand): Take the REAL_VALUE_TYPE and/or union
3990         real_extract out of the union; run the input through
3991         REAL_VALUE_TO_TARGET_DOUBLE, then plug the pair of longwords
3992         from that into the union.
3993         * config/pdp11/pdp11.c (output_move_double): Rearrange
3994         parentheses to make automatic indenter happy.
3995
3996         * doc/tm.texi (Cross-compilation): Rename node to "Floating
3997         Point" and rewrite to describe current situation.  Also adjust
3998         documentation of REAL_VALUE_TO_TARGET_SINGLE and friends to
3999         match code.
4000         * doc/rtl.texi: Adjust cross reference.
4001
4002 2002-03-22  Bob Wilson  <bob.wilson@acm.org>
4003
4004         * config/xtensa/xtensa-protos.h (non_acc_reg_operand): Remove.
4005         (xtensa_valid_move, xtensa_preferred_reload_class): Define.
4006         * config/xtensa/xtensa.c (non_acc_reg_operand): Remove.
4007         (xtensa_valid_move, xtensa_preferred_reload_class): Define to
4008         prevent use of sp as a reload register.
4009         (xtensa_emit_move_sequence): Use xtensa_valid_move instead of
4010         non_acc_reg_operand.
4011         * config/xtensa/xtensa.h (PREDICATE_CODES): Remove non_acc_reg_operand.
4012         (PREFERRED_RELOAD_CLASS): Move code to xtensa_preferred_reload_class.
4013         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
4014         movqi_internal): Use xtensa_valid_move instead of non_acc_reg_operand.
4015
4016 2002-03-22  Neil Booth  <neil@daikokuya.demon.co.uk>
4017
4018         * cpphash.h (struct cpp_reader): Remove mls_line and mls_col.
4019         * cpplex.c (unterminated): Delete.
4020         (parse_string): No string literal may extend over multiple
4021         lines.  Suppress the error when preprocessing assembly.
4022         * cppmain.c (scan_translation_unit): Strings are single-line.
4023
4024         * doc/cpp.texi: Update to match.
4025
4026 2002-03-22  Jakub Jelinek  <jakub@redhat.com>
4027
4028         PR optimization/5854
4029         * config/m68hc11/m68hc11.h (CONST_OK_FOR_LETTER_VALUE_P): Use K for 0.
4030         Shut up warnings.
4031         (CONST_DOUBLE_OK_FOR_LETTER_P): Use G for 0.0.
4032         (EXTRA_CONSTRAINT): Use S for non-push memory operand.
4033         * config/m68hc11/m68hc11.c (m68hc11_split_move): Handle setting from
4034         const0 if scratch register was not allocated.
4035         (m68hc11_reload_operands, m68hc11_gen_lowpart, m68hc11_gen_highpart,
4036         m68hc11_z_replacement): Replace gen_rtx (CONST_INT, VOIDmode, ...)
4037         with GEN_INT (...).
4038         (m68hc11_reorg): Compute BLOCK_FOR_INSN before reload_cse_regs.
4039         * config/m68hc11/m68hc11.md: Replace gen_rtx (CONST_INT, VOIDmode, ...)
4040         with GEN_INT (...) everywhere.  Remove constraints in define_split
4041         patterns.
4042         (movdi_internal, movdf_internal, movsi_internal, movsf_internal): Don't
4043         require scratch register for setting 0 into regs/non-pushable memory.
4044
4045 2002-03-22  Alexandre Oliva  <aoliva@redhat.com>
4046
4047         * config/mips/mips.h (MASK_RETURN_ADDR): Define.
4048         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
4049
4050 2002-03-22  Phil Edwards  <pme@gcc.gnu.org>
4051
4052         * cpplib.h (struct cpp_options):  New member, warn_endif_labels.
4053         * cppinit.c (cpp_create_reader):  On by default.
4054         (cpp_handle_option):  Handle -W[no-]endif-labels.
4055         (cpp_post_options):  Also enable if -pedantic.
4056         * cpplib.c (do_else):  Use it.
4057         (do_endif):  Likewise.
4058         * doc/cppopts.texi:  Document new option.
4059         * doc/invoke.texi:  Document new option.
4060
4061 2002-03-22  Lars Brinkhoff  <lars@nocrew.org>
4062
4063         * config/i386/i386.c, config/i386/i386.md: Change all occurences
4064         of GEN_INT (trunc_int_for_mode (...)) to gen_int_mode (...).
4065
4066 2002-03-22  Alexandre Oliva  <aoliva@redhat.com>
4067
4068         * flow.c (calculate_global_regs_live): Clear aux fields of
4069         ENTRY and EXIT.
4070
4071 2002-03-22  Jakub Jelinek  <jakub@redhat.com>
4072
4073         * config/v850/v850.c (v850_reorg): Only call alter_subreg on
4074         REG or MEM subregs, pass rtx * instead of rtx to it.
4075         * config/i860/i860.c (output_delayed_branch, output_delay_insn): Pass
4076         rtx * instead of rtx to alter_subreg.
4077         * config/m32r/m32r.c (gen_split_move_double): Likewise.
4078         * config/pj/pj.c (pj_output_rval): Likewise.
4079
4080 2002-03-22  Richard Henderson  <rth@redhat.com>
4081
4082         PR target/3177
4083         * config/ia64/ia64.h (CUMULATIVE_ARGS): Add int_regs.
4084         (INIT_CUMULATIVE_ARGS, INIT_CUMULATIVE_INCOMING_ARGS): Update.
4085         * config/ia64/ia64.c (ia64_function_arg_advance): Set int_regs.
4086         (ia64_expand_prologue): Look at int_regs, not words, for number
4087         of incomming int regs.
4088
4089 2002-03-22  Andrew MacLeod  <amacleod@redhat.com>
4090
4091         * expr.c (expand_expr): A RESULT_DECL is part of a call.
4092
4093 Fri Mar 22 16:30:42 CET 2002  Jan Hubicka  <jh@suse.cz>
4094
4095         * toplev.c (flag_loop_optimize, flag_crossjumping):
4096         New static variables.
4097         (rest_of_compilation): Conditionalize crossjumping and
4098         loop optimizer.
4099         (parse_options_and_default_flags): Default loop_optimize and
4100         crossjumping.
4101         (lang_independent_options): Add -fcrossjumping and -floop-optimize
4102         * invoke.texi (crossjumping, loop-optimize): Document.
4103
4104 2002-03-22  Richard Sandiford  <rsandifo@redhat.com>
4105
4106         * real.c (eiisneg): Move outside #ifdef NANS.
4107
4108 Fri Mar 22 12:08:36 CET 2002  Jan Hubicka  <jh@suse.cz>
4109
4110         * cfgcleanup.c (outgoing_edges_math): Fix condition; relax
4111         frequencies match; avoid match on different loop depths.
4112         (try_crossjump_to_bb): Kill tests that no longer brings time
4113         savings.
4114         * cfgrtl.c (force_nonfallthru_and_redirect): Fix loop_depth
4115         updating code.
4116         (split_edge): Likewise.
4117
4118         * flow.c (update_life_info_in_dirty_blocks): Fix uninitialized
4119         variable.
4120
4121         * Makefile.in (cfgrtl): Add insn-config.h depenendency.
4122         * cfgrtl.c: Include insn-config.h
4123         (split_block) Dirtify block in presence of conditional execution
4124
4125 2002-03-22  Richard Sandiford  <rsandifo@redhat.com>
4126
4127         * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Undefine.
4128         * config/mips/mips-protos.h (mips_setup_incoming_varargs): Declare.
4129         (function_arg): Constify CUMULATIVE_ARGS.
4130         (function_arg_partial_nregs, function_arg_pass_by_reference): Likewise.
4131         * config/mips/mips.h (UNITS_PER_FPVALUE): Zero when TARGET_SOFT_FLOAT.
4132         (UNITS_PER_DOUBLE): New macro.
4133         (SETUP_INCOMING_VARARGS): Define.  Use mips_setup_incoming_varargs.
4134         (CUMULATIVE_ARGS): Reformat.  Remove num_adjusts workaround and
4135         last_arg_fp field.  Replace arg_words and fp_arg_words with gp_regs,
4136         fp_regs and stack_words.
4137         (EABI_FLOAT_VARARGS_P): New macro.
4138         * config/mips/mips.c (struct mips_arg_info): New.
4139         (mips_arg_info): New function.
4140         (function_arg_advance): Use it.  Add adjustment instructions here
4141         rather than in function_arg.
4142         (function_arg): Constify CUMULATIVE_ARGS.  Use mips_arg_info.  Check
4143         for VOIDmode at the beginning of the function.
4144         (function_partial_nregs): Constify CUMULATIVE_ARGS.  Use mips_arg_info.
4145         (function_arg_pass_by_reference): Likewise.
4146         (mips_setup_incoming_varags): New, largely based on old abi64.h code.
4147         (mips_build_va_list): Test EABI_FLOAT_VARARGS_P.
4148         (mips_va_start): Likewise.  Use the new stack_words field of
4149         CUMULATIVE_ARGS to set up overflow area.  Reformat.
4150         (mips_va_arg): Test EABI_FLOAT_VARARGS_P.  Unify EABI handling of
4151         doubles and other types, aligning the overflow pointer for non-doubles
4152         too.  Remove some code duplication.  Replace hard-coded constants.
4153
4154 2002-03-22  Richard Sandiford  <rsandifo@redhat.com>
4155
4156         * config/mips/mips.h (FUNCTION_ARG_REGNO_P): Simplify.
4157         (CLASS_UNITS): Undefine.
4158         (CLASS_MAX_NREGS): Use FP_INC.
4159         * config/mips/mips.c (compute_frame_size): Likewise.
4160         (override_options): Use FP_INC and UNITS_PER_FPVALUE.
4161
4162 2002-03-22  Neil Booth  <neil@daikokuya.demon.co.uk>
4163
4164         * cpplex.c (parse_identifier_slow): Rename parse_slow, adjust
4165         prototype, and handle lexing numbers and identifiers.
4166         (parse_identifier): Update to new form of parse_slow.
4167         (parse_number): Fast path only, use parse_slow otherwise.
4168         (_cpp_lex_direct): Update calls to parse_number.
4169
4170 2002-03-21  DJ Delorie  <dj@redhat.com>
4171
4172         * bb-reorder.c (make_reorder_chain_1): Protect against
4173         when redundant edges are omitted.
4174         * predict.c (dump_prediction): Likewise.
4175
4176 2002-03-21  Richard Henderson  <rth@redhat.com>
4177
4178         PR target/5996
4179         * fixinc/inclhack.def (solaris_stdio_tag): New.
4180         * fixinc/fixincl.x: Regenerate.
4181
4182 2002-03-21  Eric Botcazou <ebotcazou@multimania.com>
4183
4184         PR c/5597
4185         * c-typeck.c (process_init_element): Flag non-static
4186         initialization of a flexible array member as illegal.
4187
4188 2002-03-22  Alan Modra  <amodra@bigpond.net.au>
4189
4190         * config/rs6000/t-linux64: New.
4191         * config.gcc (powerpc64-*-linux* <tmake_file>): Drop t-ppcos and
4192         t-ppccomm.  Use t-rs6000 and t-linux64.
4193         (powerpc64-*-gnu* <tmake_file>): Likewise.
4194         * mklibgcc.in (SHLIB_MKMAP_OPTS): New variable.
4195         * mkmap-symver.awk (dotsyms): If set, output .foo as well as foo.
4196         * Makefile.in (SHLIB_MKMAP_OPTS): Pass to mklibgcc.
4197
4198 2002-03-21  Aldy Hernandez  <aldyh@redhat.com>
4199
4200         * langhooks.c (lhd_tree_inlining_cannot_inline_tree_fn): Check
4201         flag_really_no_inline instead of optimize == 0.
4202
4203         * c-objc-common.c (c_cannot_inline_tree_fn): Same.
4204
4205         * cp/tree.c (cp_cannot_inline_tree_fn): Same.
4206
4207         * flags.h (flag_really_no_inline): New.
4208
4209         * c-common.c (c_common_post_options): Initialize
4210         flag_really_no_inline.
4211
4212         * toplev.c (flag_really_no_inline): New.
4213
4214 2002-03-21  Jakub Jelinek  <jakub@redhat.com>
4215
4216         * config/avr/avr.md (length): Fix length computation for
4217         conditional branches.
4218
4219 2002-03-21  Neil Booth  <neil@daikokuya.demon.co.uk>
4220
4221         * Makefile.in (fold-const.o, stor-layout.o, stmt.o,
4222         sdbout.o, profile.o): Update.
4223         * c-common.c (c_common_nodes_and_builtins): Use pushdecl
4224         langhook.
4225         * c-common.h (gettags): Move here from tree.h.
4226         * c-tree.h (pushdecl, pushlevel, poplevel, set_block,
4227         insert_block, getdecls, kept_level_p, global_bindings_p): New.
4228         * dbxout.c (dbxout_init): Use getdecls langhook.
4229         * expr.c (expand_expr): Use insert_block langhook.
4230         * fold-const.c: Include langhooks.h.
4231         (fold_range_test, fold_binary_op_with_conditional_arg,
4232         fold): Use global_bindings_p langhook.
4233         * integrate.c (expand_inline_function): Use insert_block langhook.
4234         * langhooks-def.h (LANG_HOOKS_DECLS, LANG_HOOKS_PUSHLEVEL,
4235         LANG_HOOKS_POPLEVEL, LANG_HOOKS_GLOBAL_BINDINGS_P,
4236         LANG_HOOKS_INSERT_BLOCK, LANG_HOOKS_SET_BLOCK, LANG_HOOKS_PUSHDECL,
4237         LANG_HOOKS_GETDECLS): New.
4238         (LANG_HOOKS_INITIALIZER): Update.
4239         * langhooks.c (lhd_clear_binding_stack): Use global_bindings_p
4240         langhook.
4241         * langhooks.h (struct lang_hooks_for_decls): New.
4242         (struct lang_hooks): Update.
4243         * profile.c: Include langhooks.h.
4244         (output_func_start_profiler): Use new langhooks.
4245         * sdbout.c: Include langhooks.h.
4246         (sdbout_init, sdbout_finish): Use getdecls langhook.
4247         * stmt.c: Include langhooks.h.
4248         (expand_fixup, fixup_gotos): Use new langhooks.
4249         * stor-layout.c: Include langhooks.h.
4250         (variable_size): Use global_bindings_p langhook.
4251         * toplev.c (compile_file): Use getdecls langhook.
4252         * tree-inline.c (remap_block): Use insert_block langhook.
4253         * tree.h (pushdecl, pushlevel, poplevel, set_block, gettags,
4254         insert_block, getdecls, kept_level_p, global_bindings_p): Remove.
4255
4256 2002-03-21  Richard Henderson  <rth@redhat.com>
4257
4258         * config/rs6000/rs6000.c (rs6000_select_rtx_section): Put symbolic
4259         constants in .data when -fpic.
4260
4261 2002-03-21  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
4262
4263         * doc/contrib.texi (Contributors): Use GNU/Linux instead of Linux
4264         where appropriate.
4265
4266 2002-03-21  Tom Tromey  <tromey@redhat.com>
4267
4268         * config/i386/sol2.h (ASM_QUAD): Undef.  Fixes PR bootstrap/5948.
4269
4270 Thu Mar 21 09:50:48 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4271
4272         * config/ia64/ia64.c (hfa_element_mode, case ARRAY_TYPE): Recurse.
4273
4274         * expr.c (emit_group_store): Don't copy const0_rtx to a CONCAT.
4275
4276 2002-03-21  Eric Botcazou <ebotcazou@multimania.com>
4277             Richard Henderson  <rth@redhat.com>
4278
4279         PR c/5354
4280         * c-common.c (c_expand_expr): Preserve result of a statement
4281         expression if needed.
4282
4283 2002-03-21  Jakub Jelinek  <jakub@redhat.com>
4284
4285         PR bootstrap/4195
4286         * genrecog.c (maybe_both_true_mode): Remove.
4287         (maybe_both_true_2, write_switch): Revert 2001-07-17 changes.
4288         * machmode.def (Pmode): Likewise.
4289
4290 Thu Mar 21 01:55:06 EST 2002  John Wehle  (john@feith.com)
4291
4292         * alias.c: (nonlocal_mentioned_p): Use for_each_rtx.
4293         (nonlocal_mentioned_p_1): New function.
4294         (nonlocal_referenced_p, nonlocal_referenced_p_1): Likewise.
4295         (nonlocal_set_p, nonlocal_set_p_1): Likewise.
4296         (mark_constant_function): Recognize pure functions.
4297         * rtl.h (global_reg_mentioned_p): New prototype.
4298         * rtlanal.c (global_reg_mentioned_p,
4299         global_reg_mentioned_p_1): New function.
4300
4301 2002-03-21  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4302
4303         * fixinc/inclhack.def (alpha_assert): Fix assert macro in Tru64
4304         UNIX assert.h.
4305         * fixinc/fixincl.x: Regenerate.
4306
4307 2002-03-20  Jason Merrill  <jason@redhat.com>
4308
4309         * config/i386/cygwin.h (DWARF2_UNWIND_INFO): Define to 0.
4310
4311 2002-03-20  Michael Meissner  <meissner@redhat.com>
4312
4313         * doc/invoke.texi (Optimize Options): Document that -O2 sets
4314         -fstrict-aliasing.
4315
4316 2002-03-20  Bob Wilson  <bob.wilson@acm.org>
4317
4318         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Emit a
4319         ".literal_position" directive before the constant pool.
4320
4321 2002-03-20  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
4322
4323         * doc/contrib.texi (Contributors): Update Geoffrey Keating.
4324         Add Craig Rodrigues.
4325         Add Brad Lucier to testers.
4326
4327 2002-03-20  Jakub Jelinek  <jakub@redhat.com>
4328
4329         PR target/4792
4330         * config/arc/arc.md (movsicc, movdicc, movsfcc, movdfcc): Add mode
4331         to if_then_else.
4332         (movsicc_insn, movdicc_insn, movsfcc_insn, movdfcc_insn): Likewise.
4333         * config/arc/arc.c (arc_final_prescan_insn): Use extract_insn_cached
4334         instead of insn_extract.
4335
4336 2002-03-20  Jakub Jelinek  <jakub@redhat.com>
4337
4338         PR bootstrap/4192
4339         * config/fr30/fr30.md (jump): Remove clobber of fixed register.
4340
4341         * genemit.c (output_added_clobbers_hard_reg_p): Only output return
4342         stmt if some case has been output.
4343
4344 2002-03-20  Jakub Jelinek  <jakub@redhat.com>
4345
4346         PR c/5972
4347         * config/i386/i386.md (movdicc_c_rex64, movsicc_noc, movhicc_noc,
4348         movsfcc_1, movdfcc_1): Add %O2.
4349         * config/i386/i386.c (print_operand): Handle %ON.
4350         Print . before float condition codes in Sun as cmov syntax.
4351         * config/i386/sol2.h (CMOV_SUN_AS_SYNTAX): Define for Sun as.
4352         * config.gcc (i[34567]86-*-solaris2*): Remove comment which is
4353         no longer true.
4354
4355 2002-03-20  Philip Blundell  <pb@nexus.co.uk>
4356
4357         * config/arm/arm.c (arm_output_epilogue): Don't generate separate
4358         return instruction if PC was popped.
4359
4360 2002-03-20  Bob Wilson  <bob.wilson@acm.org>
4361
4362         * config/xtensa/xtensa.md: Remove unused type attributes.
4363         (adddi_carry, subddi_carry): Change type attribute to "multi".
4364
4365 2002-03-19  Dale Johannesen  <dalej@apple.com>
4366
4367         PR optimization/5999, middle-end/5731
4368         * expr.c (expand_expr) [RDIV_EXPR]: Only convert real divisions into
4369         multiplications by reciprocals.
4370
4371 2002-03-20  Neil Booth  <neil@daikokuya.demon.co.uk>
4372
4373         * Makefile.in: Update.
4374         * c-common.c: Include langhooks.h.
4375         (inline_forbidden_p): Use new hook.
4376         * diagnostic.c: Include langhooks.h.
4377         (format_with_decl, announce_function,
4378         default_print_error_function): Use new hook.
4379         * dwarf2out.c (dwarf2_name): Use new hook.
4380         * function.c: Include langhooks.h.
4381         (init_function_start): Use new hook.
4382         * langhooks-def.h (lhd_decl_printable_name): New.
4383         (LANGHOOKS_DECL_PRINTABLE_NAME): New.
4384         (LANGHOOKS_INITIALIZER): Update.
4385         * langhooks.c (lhd_decl_printable_name): New.
4386         * langhooks.h (struct lang_hooks): New hook.
4387         * toplev.c (decl_name, decl_printable_name): Remove.
4388         (open_dump_file): Use new hook.
4389         (process_options): Remove old hook.
4390         * tree.h (decl_printable_name): Remove.
4391 objc:
4392         * objc-act.c (objc_init): Remove old hook.
4393         (objc_printable_name): Export.
4394         * objc-act.h (objc_printable_name): New.
4395         * objc-lang.c (LANG_HOOKS_DECL_PRINTABLE_NAME): Redefine.
4396
4397 2002-03-19  Jim Blandy  <jimb@redhat.com>
4398
4399         * c-lex.c (cb_file_change): Pass the #inclusion's line number to
4400         the start_source_file debug hook, not the current line number.
4401
4402 2002-03-19  Richard Henderson  <rth@redhat.com>
4403
4404         * flow.c (EH_USES): Provide default.
4405         (calculate_global_regs_live): Use it for EH edges and noreturn calls.
4406         * doc/tm.texi (EH_USES): New.
4407
4408         * config/ia64/ia64.c (ia64_eh_uses): New.
4409         * config/ia64/ia64-protos.h: Update.
4410         * config/ia64/ia64.h (EH_USES): New.
4411
4412 2002-03-19  Richard Henderson  <rth@redhat.com>
4413
4414         * varasm.c (output_constant_def): Fix stupid typo.
4415
4416 2002-03-19  Richard Henderson  <rth@redhat.com>
4417
4418         PR 5879
4419         * except.c (current_function_has_exception_handlers): New.
4420         * except.h: Declare it.
4421         * sibcall.c (optimize_sibling_and_tail_recursive_call): Use it.
4422         Combine tests that disable all sibcalls for the function.
4423
4424 2002-03-19  Olivier Hainque  <hainque@act-europe.fr>
4425
4426         * varasm.c (output_constant_def): Don't call ENCODE_SECTION_INFO
4427         for INTEGER_CST.
4428
4429 2002-03-19  Richard Henderson  <rth@redhat.com>
4430
4431         PR 5977, 5991
4432         * config/ia64/ia64.c: Revert 2002-03-01 patch.
4433         * config/ia64/ia64.h (INIT_EXPANDERS): New.
4434
4435 2002-03-19  Jim Blandy  <jimb@redhat.com>
4436
4437         * cppmacro.c (cpp_macro_definition): Emit a space after the macro
4438         name, even if the replacement list contains no tokens, as required
4439         by Dwarf.
4440
4441 2002-03-19  Jason Merrill  <jason@redhat.com>
4442
4443         * varasm.c (globalize_decl): Get the name from the RTL, not
4444         DECL_ASSEMBLER_NAME.
4445
4446         * Makefile.in (LIBGCC2_DEBUG_CFLAGS): Set to -g.
4447
4448 2002-03-19  Bob Wilson  <bob.wilson@acm.org>
4449
4450         * config/xtensa/xtensa.md (adddi3, adddi_carry, subdi3,
4451         subdi_carry): Define.
4452
4453 2002-03-19  David Edelsohn  <edelsohn@gnu.org>
4454
4455         * config/rs6000/rs6000.c (rs6000_override_options): Only warn
4456         about -fpic/-fPIC if extra_warnings set.
4457
4458 2002-03-19  David Edelsohn  <edelsohn@gnu.org>
4459
4460         * expr.c (expand_expr): Sign-extend CONST_INT generated from
4461         TREE_STRING_POINTER.
4462         * fold-const.c (fold): Delete #if 0 ARRAY_REF case.
4463
4464 Tue Mar 19 14:12:32 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4465
4466         * config/sparc/sparc.h (CAN_ELMINIATE): Can only eliminate FP
4467         in favor of SP if FRAME_POINTER_REQUIRED is false.
4468
4469 2002-03-19  Lars Brinkhoff  <lars@nocrew.org>
4470
4471         * emit-rtl.c (gen_int_mode): New function.
4472         * rtl.h: Prototype for it.
4473         * combine.c (make_extraction, simplify_comparison), expmed.c
4474         (store_bit_field, expand_mult_highpart, expand_divmod), expr.c
4475         (convert_modes, store_field), optabs.c (expand_fix),
4476         simplify-rtx.c (neg_const_int, simplify_unary_real),
4477
4478         * config/rs6000/rs6000.c, config/rs6000/rs6000.md:
4479         Use it instead of GEN_INT (trunc_int_for_mode (...)).
4480
4481 2002-03-19  Jakub Jelinek  <jakub@redhat.com>
4482
4483         PR c/5656
4484         * langhooks.h (struct lang_hooks_for_tree_inlining): Add
4485         convert_parm_for_inlining.
4486         * c-lang.c (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
4487         Define.
4488         * langhooks-def.h: Likewise.
4489         * objc/objc-lang.c: Likewise.
4490         * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining): New
4491         function.
4492         * tree-inline.c (initialize_inlined_parameters):
4493         Call convert_parm_for_inlining lang hook if needed.
4494         * c-typeck.c (c_convert_parm_for_inlining): New function.
4495         * c-tree.h (c_convert_parm_for_inlining): Add prototype.
4496
4497 2002-03-18  Mark Mitchell  <mark@codesourcery.com>
4498
4499         * calls.c (precompute_arguments): Do not assume that temporaries
4500         can be destroyed after expanding the argument.
4501         (expand_call): Likewise.
4502
4503 2002-03-15  Eric Christopher  <echristo@redhat.com>
4504
4505         * config/mips/mips.md (movdf_internal2): Add two new move constraints.
4506         Fix register preference on last change.
4507         * config/mips/mips.c (mips_return_in_memory): New function.
4508         * config/mips/mips.h (RETURN_IN_MEMORY): Use.
4509         * config/mips/mips-protos.h: Declare.
4510         * config/mips/abi64.h (RETURN_IN_MEMORY): Remove. Add to above.
4511         * config/mips/elf64.h: Add #ifndef/#endif brackets around defaults.
4512
4513 2002-03-18  Alexandre Oliva  <aoliva@redhat.com>
4514
4515         * config/mips/mips.md (andsi3) [TARGET_MIPS16]: Force operand 1 to
4516         a register too.
4517         (anddi3, iorsi3): Likewise.
4518
4519         * config/mips/mips.h (ENCODE_SECTION_INFO) [TARGET_MIPS16]: Don't
4520         use %gprel for symbols that are going to be placed in linkonce
4521         sections.
4522
4523         * config/mips/mips.h (ELIMINABLE_REGS): Can't eliminate
4524         RETURN_ADDRESS_POINTER_REGNUM to $ra.
4525         (CAN_ELIMINATE): Only eliminate it to $sp if a frame pointer is
4526         not needed.  Disregard leaf_function_p().
4527         (INITIAL_ELIMINATION_OFFSET): Adjust for elimination of rap to
4528         mips16 frame pointer.
4529         * config/mips/mips.md (store ra): Only to small SP offsets.
4530         2001-08-22  Graham Stott  <grahams@redhat.com>
4531         * config/mips/mips.h (RETURN_ADDR_RTX): For a leaf function
4532         return a REG rtx for the return address register.
4533
4534 2002-03-18  Bob Wilson  <bob.wilson@acm.org>
4535
4536         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Treat
4537         constant-pool addresses as "mode-dependent".
4538         (GO_IF_LEGITIMATE_ADDRESS): Rename macro arguments.
4539
4540 2002-03-18  Jakub Jelinek  <jakub@redhat.com>
4541
4542         PR target/5740
4543         * expr.c (emit_group_load): Use extract_bit_field if
4544         needed for CONCAT arguments.
4545
4546 2002-03-18  Richard Earnshaw  <rearnsha@arm.com>
4547
4548         PR target/4863
4549         * arm.md (tablejump): Make this a define_expand.  For PIC add the
4550         offset to the base of the table.
4551         (thumb_tablejump): Matcher for Thumb tablejump insn.
4552         * config/arm/aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output thumb entries
4553         as the difference of two labels.
4554         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
4555         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Only put ARM jump
4556         tables in the code.
4557         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
4558         * arm.c (get_jump_table_size): If the table is not in the text
4559         section, return zero.
4560
4561 2002-03-18  Bernd Schmidt  <bernds@redhat.com>
4562
4563         * config/arm/arm.c (arm_gen_movstrqi): Use gen_lowpart instead
4564         of gen_rtx_SUBREG.
4565         (arm_reload_out_hi): Use gen_lowpart instead of
4566         gen_rtx_SUBREG to access QImode components.
4567         * config/arm/arm.md: Disable zero_extend split for QImode
4568         subregs in BIG_ENDIAN mode.
4569         (storehi_bigend): Match use of least significant byte.
4570         (storeinthi): Remove extraneous SUBREG.
4571         Add missing construction of operands[2].
4572         (movhi): Use gen_lowpart in place of gen_rtx_SUBREG.
4573         (movqi): Use gen_lowpart in place of gen_rtx_SUBREG.
4574         Replace gen_rtx (SUBREG) with gen_rtx_SUBREG.
4575
4576 2002-03-18  Aldy Hernandez  <aldyh@redhat.com>
4577
4578         * config/rs6000/rs6000.h (PREDICATE_CODES): Add PARALLEL to
4579         any_operand.
4580
4581 2002-03-17  Richard Henderson  <rth@redhat.com>
4582
4583         * config/alpha/alpha.c (alpha_emit_set_const_1): Build add insns
4584         explicitly.
4585
4586 2002-03-17  Hans-Peter Nilsson  <hp@bitrange.com>
4587
4588         * config/mmix/mmix.md ("fixuns_truncdfdi2"): Use (unsigned_fix:DI
4589         (unsigned_fix:DF op1)), not (unsigned_fix:DI (fix:DF op1)).
4590
4591 2002-03-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4592
4593         * ifcvt.c (dead_or_predicable): Fix uninitialized variable.
4594
4595         * predict.c (estimate_bb_frequencies): Delete unused variables.
4596
4597 2002-03-17  Richard Henderson  <rth@redhat.com>
4598
4599         * config/ia64/ia64.c (ia64_attribute_table): Move before
4600         targetm definition.  Make static.
4601
4602 2002-03-17  Neil Booth  <neil@daikokuya.demon.co.uk>
4603
4604         * c-common.h (yyparse, c_common_parse_file): New.
4605         * c-lang.c: Include c-common.h.
4606         (LANG_HOOKS_PARSE_FILE): Redefine.
4607         * c-lex.c: Include c-common.h.
4608         (yyparse): Rename c_common_parse_file.  Call yyparse.
4609         * c-parse.in (yyparse): Remove macro.
4610         * c-tree.h (yyparse_1): Remove.
4611         * langhooks-def.h (LANG_HOOKS_PARSE_FILE): New.
4612         (LANG_HOOKS_INITIALIZER): Update.
4613         * langhooks.h (struct lang_hoooks): New hook parse_file.
4614         * toplev.c (compile_file): Use parse_file hook.
4615         * tree.h (yyparse): Remove.
4616         * objc/objc-lang.c (LANG_HOOKS_PARSE_FILE): Redefine.
4617
4618 2002-03-17  Hans-Peter Nilsson  <hp@bitrange.com>
4619
4620         * config/mmix/mmix.md ("truncdfsf2"): Correct operator is
4621         float_truncate, not fix.
4622         ("*truncdfsf2_real"): Ditto.
4623         ("*nonlocal_goto_receiver_expanded"): Fix output template formatting.
4624
4625         * config/mmix/mmix.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Don't define.
4626
4627 2002-03-16  Alexandre Oliva  <aoliva@redhat.com>
4628
4629         * config/mips/mips.h (CAN_ELIMINATE): Don't eliminate rap to $fp
4630         (s8), but rather HARD_FRAME_POINTER_REGNUM.  Add parentheses
4631         where appropriate.  Make the second reference to
4632         leaf_function_p a function call, as intended.  Reindented.
4633
4634         * config/mips/mips.h (ISA_HAS_COND_TRAP): Not available on MIPS16.
4635         * config/mips/mips.md (trap) [TARGET_MIPS16]: Emit `break 0'.
4636
4637         * config/mips/mips.md (addsi3, adddi3): Use scratch register to
4638         add register to non-constant into sp.
4639
4640         * config/mips/mips-protos.h (embedded_pic_fnaddr_reg): New.
4641         * config/mips/mips.h (embedded_pic_fnaddr_rtx): Lose.
4642         (mips16_gp_pseudo_rtx): Lose.
4643         (INIT_EXPANDERS): Deleted.
4644         * config/mips/mips.c (mips_init_machine_status): New.
4645         (mips_free_machine_status): New.
4646         (mips_mark_machine_status): New.
4647         (override_options): Set them.
4648         (embedded_pic_fnaddr_rtx, mips16_gp_pseudo_rtx): Moved to...
4649         (struct machine_function): ... new.  Replaced all references.
4650         (mips_add_gc_roots): Don't mark them.
4651         (embedded_pic_fnaddr_reg): New, extracted from...
4652         (embedded_pic_offset): ... here.
4653         * config/mips/mips.md (movdi): Call embedded_pic_fnaddr_reg.
4654         (movsi): Likewise.
4655
4656 2002-03-16  Neil Booth  <neil@daikokuya.demon.co.uk>
4657
4658         * cppinit.c: Revert -MD removal.
4659
4660 2002-03-16  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4661
4662         * config/m68hc11/m68hc11.c (m68hc11_override_options): Don't use
4663         soft registers by default for 68HC12.
4664         (m68hc11_conditional_register_usage): Don't use Z register for 68HC12
4665         when compiling with -fomit-frame-pointer.
4666         (expand_prologue): Use push/pop to allocate 4-bytes of locals on 68HC12.
4667         (expand_epilogue): Likewise.
4668         (m68hc11_gen_rotate): Use exg when rotating by 8.
4669
4670 2002-03-16  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4671
4672         * config/m68hc11/m68hc11-protos.h (ix_reg): Declare.
4673         * config/m68hc11/m68hc11.md ("addsi3"): Use general_operand for sources.
4674         (splits): Remove unused add splits.
4675         ("*addhi3_68hc12"): Tune constraints.
4676         ("addhi_sp"): Try to use X instead of Y in all cases and if the
4677         constant fits in 8-bits and D is dead use abx/aby instructions.
4678         ("*addhi3"): Remove extern declaration of ix_reg.
4679         ("*subsi3"): Optimize and provide new split.
4680         ("subhi3"): Cleanup.
4681         ("*subhi3_sp"): Avoid saving X if we know it is dead.
4682         (arith splits): For 68hc12 save the address register on the stack
4683         and do the arithmetic operation with a pop.
4684
4685 2002-03-16  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4686
4687         * config/m68hc11/m68hc11.md ("*movqi_68hc12"): Fix constraints, avoid
4688         allocating QImode in address registers.
4689         ("*movqi_m68hc11"): Likewise.
4690
4691 Sat Mar 16 12:57:28 CET 2002  Jan HUbicka  <jh@suse.cz>
4692
4693         * cfgcleanup.c (cleanup_cfg): Fix updating of liveness.
4694
4695 2002-03-16  Neil Booth  <neil@daikokuya.demon.co.uk>
4696
4697         * cppinit.c (print_help): Display -MD and -MMD.
4698         Don't display usage string.  Update assertion syntax and
4699         typo.
4700         (COMMAND_LINE_OPTIONS): Remove OPT_MD, OPT_MMD.
4701         (cpp_handle_option): Update.
4702
4703 2002-03-15  Chris Demetriou  <cgd@broadcom.com>
4704
4705         * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC): Provide an
4706         MEABI case for each definition of SUBTARGET_CPP_SIZE_SPEC,
4707         and define it so that regardless of target CPU size,
4708         __SIZE_TYPE__ and __PTRDIFF_TYPE__ are defined in terms
4709         of "int" rather than "long."
4710
4711 2002-03-15  Richard Henderson  <rth@redhat.com>
4712
4713         * config/alpha/alpha.c (alpha_va_arg): Manipulate the type
4714         size as a tree.
4715
4716 2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4717
4718         * config/m68hc11/m68hc11.md ("tstqi_1"): Try to use ldab instead of tst.
4719         ("tstqi" split): Avoid using memory for tstqi on address register.
4720         (splits): Remove constraints.
4721         ("cmphi_1_hc12"): New from "cmphi_1" and tuned for 68HC12.
4722         ("cmpdf", "cmpsf"): Remove since not used.
4723         ("*tbeq", "*tbne", "*tbeq8", "*tbne8"): Also look in cc_status.value2.
4724         (peephole2): New peepholes to optimize tstqi and pre inc/dec addressing.
4725
4726 2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4727
4728         * config/m68hc11/m68hc11.md ("negsi2"): Optimize inline case.
4729         ("neghi2"): Tighten constraints.
4730         ("one_cmplsi2"): Optimize and simplify split.
4731         * config/m68hc11/larith.asm (__negsi2): Likewise for library.
4732
4733 2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4734
4735         * config/m68hc11/m68hc11.md ("logicalsi3_zexthi"): Fix constraints
4736         and split of AND operation to clear the upper bits.
4737         ("*logicalsi3_zextqi"): Likewise.
4738         ("*logicallhi3_zexthi_ashift8"): Likewise.
4739         ("*logicalsi3_silshr16"): Likewise.
4740         ("logicalsi3_silshl16"): Likewise.
4741         ("anddi3", "iordi3", "xordi3" splits): Remove constraints.
4742
4743 2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4744
4745         * config/m68hc11/m68hc11.c (m68hc11_symbolic_p): New function.
4746         (m68hc11_indirect_p): New function.
4747         (m68hc11_override_options): Must set MASK_NO_DIRECT_MODE for 68HC12.
4748         (m68hc11_gen_highpart): Use TARGET_NO_DIRECT_MODE instead of
4749         TARGET_M6812.
4750         (asm_print_register): Likewise.
4751         * config/m68hc11/m68hc11-protos.h (m68hc11_symbolic_p): Declare.
4752         (m68hc11_indirect_p): Declare.
4753         * config/m68hc11/m68hc11.h (EXTRA_CONSTRAINT): New constraint 'R', 'Q'.
4754         (TARGET_NO_DIRECT_MODE, TARGET_RELAX): New.
4755         (TARGET_SWITCHES): New option -mrelax.
4756         * config/m68hc11/m68hc11.md ("andsi3"): Allow soft register for
4757         destination.
4758         ("iorsi3", "xorsi3"): Likewise.
4759         ("andhi3", "andqi3", "iorhi3", "iorqi3"): Use a define_expand.
4760         ("*andhi3_mem"): New to handle destination in memory with bclr
4761         and a scratch register.
4762         ("*andqi3_mem", "*iorhi3_mem", "*iorqi3_mem"): Likewise.
4763         ("*andhi3_const"): New when operand2 is constant.
4764         ("*andqi3_const", "*iorhi3_const", "*iorqi3_const"): Likewise.
4765         ("*andhi3_gen"): Cleanup of the old "andhi3".
4766         ("*andqi3_gen", "*iorhi3_gen", "*iorqi3_gen"): Likewise.
4767         ("xorqi3"): Update constraints.
4768
4769 2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4770
4771         * config/m68hc11/m68hc11.c (m68hc11_small_indexed_indirect_p): Look
4772         for reg_equiv_memory_loc when the operand is a register that does
4773         not get a hard register (stack location).
4774         (tst_operand): After reload, accept all memory operand.
4775         (symbolic_memory_operand): Fix detection of symbolic references.
4776         * config/m68hc11/m68hc11.h (VALID_CONSTANT_OFFSET_P): For 68HC12
4777         accept symbols and any constant.
4778
4779 2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4780
4781         * config/m68hc11/m68hc11.c (emit_move_after_reload): Add a REG_INC
4782         note on the insn that sets the soft frame register.
4783         (must_parenthesize): ix and iy are also reserved names.
4784         (print_operand_address): One more place where parenthesis are required
4785         to avoid confusion with register names.
4786         (m68hc11_gen_movhi): Allow push of stack pointer.
4787         (m68hc11_check_z_replacement): Fix handling of parallel with a
4788         clobber.
4789         (m68hc11_z_replacement): Must update the REG_INC notes to tell what
4790         the replacement register is.
4791         * config/m68hc11/m68hc11.h (REG_CLASS_CONTENTS): Switch Z_REGS
4792         and D8_REGS classes.
4793         (MODES_TIEABLE_P): All modes are tieable except QImode.
4794
4795 2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4796
4797         * config/m68hc11/larith.asm (___adddi3): Optimize saving of result.
4798         (___subdi3): Likewise.
4799         (__mulsi3, __mulhi32): Avoid using _.tmp scratch location.
4800         (__map_data_section): Optimize 68hc11 case.
4801
4802 2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4803
4804         * config/m68hc11/m68hc11.c (m6812_cost): Make cost of add higher
4805         than a shift to avoid adding a register with itself.
4806         (m68hc11_memory_move_cost): Take into account NO_REGS.
4807         (m68hc11_register_move_cost): Update and use memory move cost
4808         for soft registers.
4809         (m68hc11_address_cost): Make cost of valid offset not 0 so that
4810         it gives more opportunities to cse to optimize.
4811         * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Pass the mode.
4812         * config/m68hc11/m68hc11-protos.h (m68hc11_register_move_cost): Update.
4813
4814 2002-03-15  Mark Mitchell  <mark@codesourcery.com>
4815
4816         * c-common.c (statement_code_p): Handle CLEANUP_STMT.
4817         * c-common.def (CLEANUP_STMT): New tree node.
4818         * c-common.h (CLEANUP_DECL): New macro.
4819         (CLEANUP_EXPR): Likewise.
4820         * c-semantics.c (expand_stmt): Handle CLEANUP_STMT.
4821         * expr.c (expand_expr): Tidy.
4822         * tree-dump.c (dequeue_and_dump): Handle CLEANUP_STMT.
4823         * tree-inline.c (initialize_inlined_parameters): Clean up
4824         new local variables.
4825
4826 2002-03-15  Jakub Jelinek  <jakub@redhat.com>
4827
4828         PR bootstrap/4128
4829         * config/sparc/sparc.c (gen_v9_scc): Move early clobber test
4830         before movrXX only, use reg_overlap_mentioned_p.
4831         Only special case NE if just one insn can be generated.
4832
4833 2002-03-15  Jason Merrill  <jason@redhat.com>
4834
4835         * varasm.c (assemble_variable): Call resolve_unique_section before
4836         checking DECL_SECTION_NAME.  Use zeros for a decl with DECL_INITIAL
4837         of error_mark_node.
4838
4839 2002-03-15  Richard Earnshaw  <rearnsha@arm.com>
4840
4841         PR target/5170
4842         * arm.md (split pattern for thumb shiftable immediates): Add comment
4843         explaining non-obvious test.
4844
4845 2002-03-15  Richard Earnshaw  <rearnsha@arm.com>
4846
4847         PR target/5712
4848         * arm.md (movaddr, movaddr_insn): Delete.
4849
4850 2002-03-15  Jason Merrill  <jason@redhat.com>
4851
4852         * toplev.c (wrapup_global_declarations): Clarify variable handling.
4853         -fkeep-static-consts doesn't apply to comdats.
4854
4855 2002-03-14  Richard Henderson  <rth@redhat.com>
4856
4857         * c-decl.c: Include c-pragma.h.
4858         (start_decl, start_function): Invoke maybe_apply_pragma_weak.
4859         (finish_function): Tidy.
4860         * c-pragma.c: Include c-common.h.
4861         (pending_weaks, apply_pragma_weak, maybe_apply_pragma_weak): New.
4862         (handle_pragma_weak): Use them.
4863         (init_pragma): Register pending_weaks.
4864         * c-pragma.h (maybe_apply_pragma_weak): Declare.
4865         * print-tree.c (print_node): Print DECL_WEAK.
4866         * varasm.c (mark_weak_decls): Remove.
4867         (remove_from_pending_weak_list): Remove.
4868         (add_weak): Remove.
4869         (asm_emit_uninitialised): Call globalize_decl for weak commons.
4870         (weak_decls): Make a tree_list.
4871         (declare_weak): Cons weak_decls directly.
4872         (globalize_decl): Remove weak_decls elements directly.
4873         (weak_finish): Simplify weak_decls walk.  Don't weaken unused
4874         symbols.  Don't pretend to handle aliases.
4875         (init_varasm_once): Update weak_decls registry.
4876         * Makefile.in: Update dependencies.
4877
4878 2002-03-14  Richard Henderson  <rth@redhat.com>
4879
4880         PR target/5312
4881         * config/ia64/ia64.c: Include tm_p.h last.
4882         (gen_nop_type): Remove duplicate definition.
4883         (cycle_end_fill_slots): Set sched_data for second L slot.
4884         (maybe_rotate): Call cycle_end_fill_slots to fill in nop slots.
4885         (nop_cycles_until): Fix typos.
4886
4887 2002-03-15  Jakub Jelinek  <jakub@redhat.com>
4888
4889         PR optimization/5891
4890         * unroll.c (copy_loop_body) [CALL_INSN]: Copy SIBLING_CALL_P flag.
4891
4892 2002-03-14  David Mosberger <davidm@hpl.hp.com>, Hans Boehm <Hans_Boehm@hp.com>
4893
4894         * config/ia64/unwind-ia64.c: Handle copy_state and label_state
4895           descriptors correctly.
4896
4897 2002-03-14  Michael Meissner  <meissner@redhat.com>
4898
4899         * params.def (PARAM_MAX_UNROLLED_INSNS): New macro, default to
4900         100, allowing MAX_UNROLLED_INSNS to be overridden.
4901
4902         * params.h (MAX_UNROLLED_INSNS): Define so it can be overridden by
4903         --param.
4904
4905         * unroll.c (params.h): Include.
4906         (MAX_UNROLLED_INSNS): Delete, now in params.h.
4907
4908         * doc/invoke.texi (--param max-unroll-insns): Document.
4909
4910         * Makefile.in (unroll.o): Add $(PARAMS_H) dependency.
4911
4912 2002-03-14  Richard Earnshaw  <rearnsha@arm.com>
4913
4914         * arm.md: Fix warnings about constraints in peepholes and splits.
4915
4916 2002-03-14  Zack Weinberg  <zack@codesourcery.com>
4917
4918         * cpphash.h (struct lexer_state): Remove line_extension member.
4919         * cpplib.c (dequote_string, do_linemarker): New functions.
4920         (linemarker_dir): New data object.
4921         (DIRECTIVE_TABLE): No longer need to interpret #line in
4922         preprocessed source.  Delete obsolete comment about return
4923         values of handlers.
4924         (end_directive, directive_diagnostics, _cpp_handle_directive):
4925         Don't muck with line_extension.
4926         (directive_diagnostics): No need to issue warnings for
4927         linemarkers here.
4928         (_cpp_handle_directive): Issue warnings for linemarkers here,
4929         when appropriate.  Dispatch linemarkers to do_linemarker, not
4930         do_line.
4931         (do_line): Code to handle linemarkers split out to do_linemarker.
4932         Convert escape sequences in filename argument, both places.
4933
4934         * cppmacro.c (quote_string): Rename cpp_quote_string and
4935         export.  All callers changed.
4936         * cpplib.h (cpp_quote_string): Prototype.
4937         * cppmain.c (print_line): Call cpp_quote_string on to_file
4938         before printing it.
4939
4940         * doc/cpp.texi: Document that escapes are now interpreted in
4941         #line and in linemarkers, and that non-printing characters are
4942         converted to octal escapes when linemarkers are generated.
4943
4944 Thu Mar 14 19:04:29 CET 2002  Jan Hubicka  <jh@suse.cz>
4945
4946         * emit-rtl.c (try_split): Use delete_insns.
4947         * recog.c (split_all_insns): Fix terminating condition.
4948
4949 2002-03-14  Richard Earnshaw  <rearnsha@arm.com>
4950             Jeroen Dobbelaere  <jeroen.dobbelaere@acunia.com>
4951
4952         PR target/5828
4953         * arm.c (arm_output_epilogue): Fix floating-point register save
4954         adjustment when using a frame pointer.
4955
4956 2002-03-14  Richard Sandiford  <rsandifo@redhat.com>
4957
4958         * config/mips/mips.h (FP_INC, UNITS_PER_FPVALUE): New macros.
4959         * config/mips/mips.c (compute_frame_size): Retrofit them here.
4960         (save_restore_insns, mips_expand_epilogue): And here.
4961         (build_mips16_call_stub): And here.
4962         (mips_function_value): Use the new macros to decide whether a single
4963         or complex float can be returned in floating-point registers.  Return
4964         a parallel rtx in the complex case.
4965
4966 Thu Mar 14 11:03:12 CET 2002  Jan Hubicka  <jh@suse.cz>
4967
4968         * toplev.c (rest_of_compilation): Add CLEANUP_UPDATE_LIFE to cfg_cleanup
4969         call after liveness analysis.
4970
4971         * recog.c (split_insn): Use delete_insn_and_edges.
4972
4973         * cfgrtl.c (verify_flow_info): Be permisive about non-any_condjump
4974         instructions to have branch prediction notes.
4975         * ia64reorg.c (ia64_reorg): Do not rebuild CFG.
4976
4977 2002-03-14  Geoffrey Keating  <geoffk@redhat.com>
4978
4979         * configure.in: Don't pass -Wno-long-long to a ADA compiler
4980         that doesn't support it.
4981         * configure: Regenerate.
4982
4983 2002-03-13  Jakub Jelinek  <jakub@redhat.com>
4984
4985         PR target/5626
4986         * config/sparc/sparc.md (normal_branch, inverted_branch,
4987         normal_fp_branch, inverted_fp_branch, normal_fpe_branch,
4988         inverted_fp_branch): Adjust calls to output_cbranch.
4989         Set length attribute.
4990         (normal_int_branch_sp64, inverted_int_branch_sp64): Adjust calls to
4991         output_v9branch.  Set length attribute.
4992         * config/sparc/sparc.c (fcc0_reg_operand, noov_compare64_op): New
4993         predicates.
4994         (noov_compare_op): Handle CCX_NOOVmode the same way as CC_NOOVmode.
4995         (output_cbranch): Likewise.  Handle far branches.
4996         (output_v9branch): Handle far branches.
4997         * config/sparc/sparc-protos.h (output_cbranch, output_v9branch):
4998         Adjust prototypes.
4999         * config/sparc/sparc.h (PREDICATE_CODES): Add fcc0_reg_operand and
5000         noov_compare64_op predicates.
5001
5002 2002-03-13  Jason Merrill  <jason@redhat.com>
5003
5004         * gthr-posix.h (__gthread_active_p): Move __gthread_active_ptr
5005         into the function and constify it.
5006         * gthr-dce.h, gthr-solaris.h: Likewise.
5007
5008 2002-03-13  David Edelsohn  <edelsohn@gnu.org>
5009
5010         * config/rs6000/rs6000.h (PAD_VARARGS_DOWN): Define.
5011         * config/rs6000/rs6000.c (rs6000_va_arg): Use
5012         std_expand_builtin_va_arg if not ABI_V4.
5013
5014 2002-03-13  Jason Merrill  <jason@redhat.com>
5015
5016         * varasm.c (globalize_decl): New fn.
5017         (assemble_start_function): Use it.
5018         (asm_emit_uninitialized): Use it.
5019         (assemble_alias): Use it.
5020         (assemble_variable): Use it.
5021
5022 2002-03-13  Hans-Peter Nilsson  <hp@axis.com>
5023
5024         * config/cris/cris.c (cris_target_asm_function_prologue): Revert
5025         2002-03-12 internal visibility change.
5026         (cris_encode_section_info): Consider MODULE_LOCAL_P when encoding
5027         visibility into SYMBOL_REF_FLAG.
5028
5029 2002-03-13  Ulrich Weigand  <uweigand@de.ibm.com>
5030
5031         * expr.c (expand_expr, case NE_EXPR): Do not call copy_to_reg with
5032         VOIDmode operand.  Add compile-time optimization for constant results.
5033
5034 2002-03-12  Jason Merrill  <jason@redhat.com>
5035
5036         * c-typeck.c (convert_for_assignment): Don't allow conversions
5037         between pointers and references.  Only allow lvalues to convert to
5038         reference.
5039
5040 2002-03-13  Hartmut Penner  <hpenner@de.ibm.com>
5041
5042         * config/s390/s390.h (PROFILE_BEFORE_PROLOGUE): Emit profile code
5043         before prologue, to avoid scheduling problems.
5044
5045 2002-03-13  Jakub Jelinek  <jakub@redhat.com>
5046
5047         * config/sparc/sparc.h (INITIAL_FRAME_POINTER_OFFSET): Remove.
5048         (ELIMINABLE_REGS): Add sfp->sp.
5049         (INITIAL_ELIMINATION_OFFSET): Compute sfp->sp offset too.
5050
5051 2002-03-13  Jakub Jelinek  <jakub@redhat.com>
5052
5053         PR optimization/5892
5054         * config/ia64/ia64.c (rotate_one_bundle): Update current packet.
5055
5056 2002-03-13  Jakub Jelinek  <jakub@redhat.com>
5057
5058         * loop.c (basic_induction_var): Don't call convert_modes if mode
5059         classes are different.
5060
5061 2002-03-12  Richard Henderson  <rth@redhat.com>
5062
5063         PR optimization/5901
5064         * function.c (reposition_prologue_and_epilogue_notes): Position
5065         the markers after/before the last/first insn not deleted.
5066
5067 2002-03-12  Richard Henderson  <rth@redhat.com>
5068
5069         PR optimization/5878
5070         * config/arc/arc.h, config/cris/cris.h, config/i386/i386.h,
5071         config/m68k/m68k.h, config/s390/s390.h, config/sparc/sparc.h
5072         (PIC_OFFSET_TABLE_REGNUM): Conditionalize on flag_pic.
5073
5074         * config/arm/arm.h config/i386/i386.h, config/m68k/m68k.h,
5075         config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Set
5076         PIC_OFFSET_TABLE_REGNUM based on INVALID_REGNUM not flag_pic.
5077
5078         * config/arc/arc.h (CONDITIONAL_REGISTER_USAGE): New.
5079         * config/arm/arm.c (arm_pic_register): Init to INVALID_REGNUM.
5080         (arm_override_options): Set arm_pic_register if TARGET_APCS_STACK
5081         also.  Don't set it if not flag_pic.
5082         * config/i386/i386.c (ix86_save_reg): Trust PIC_OFFSET_TABLE_REGNUM
5083         to be INVALID_REGNUM when not used.
5084
5085 2002-03-13  Aldy Hernandez  <aldyh@redhat.com>
5086
5087         * expmed.c (store_bit_field): Reset alias set for memory.
5088         (extract_bit_field): Same.
5089
5090 2002-03-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5091
5092         * c-common.c (c_tree_code_type, c_tree_code_length,
5093         c_tree_code_name, add_c_tree_codes): Delete.
5094         * c-common.h (add_c_tree_codes): Delete.
5095         * c-lang.c (tree_code_type, tree_code_length, tree_code_name):
5096         Define.
5097         * c-objc-common.c (c_objc_common_init): Don't call
5098         add_c_tree_codes, instead set lang_unsafe_for_reeval.
5099         * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
5100         objc_tree_code_name, add_objc_tree_codes): Delete.
5101         (objc_init): Don't call add_objc_tree_codes.
5102         * objc/objc-lang.c (tree_code_type, tree_code_length,
5103         tree_code_name): Define.
5104         * toplev.c (lang_independent_init): Don't set
5105         tree_code_length[IDENTIFIER_NODE].
5106         * tree.c (tree_code_type, tree_code_length, tree_code_name):
5107         Delete definitions, moved to language front-ends.
5108         * tree.def (IDENTIFIER_NODE): Hardwire the length.
5109         * tree.h (tree_code_type, tree_code_length, tree_code_name):
5110         Const-ify.
5111         (tree_code_length): Change type to unsigned char.
5112
5113 2002-03-12  Richard Henderson  <rth@redhat.com>
5114
5115         * config/i386/i386.c (ix86_expand_prologue): Revert 2002-03-03
5116         internal visibility change.
5117
5118 2002-03-12  Bob Wilson  <bob.wilson@acm.org>
5119
5120         * config/xtensa/xtensa.c (xtensa_expand_block_move): Use
5121         validize_mem() instead of change_address to avoid clobbering
5122         memory attributes.
5123
5124 2002-03-12  Neil Booth  <neil@daikokuya.demon.co.uk>
5125
5126         * c-lex.h (position_after_whitespace): Remove.
5127
5128 2002-03-12  Jakub Jelinek  <jakub@redhat.com>
5129
5130         * c-lex.c (cb_ident, c_lex): Remove unnecessary cast.
5131         (lex_string): Use unsigned char pointers.
5132
5133 2002-03-12  Ulrich Weigand  <uweigand@de.ibm.com>
5134
5135         * reload1.c (reload): Ignore MEM REG_EQUIV notes if the equivalent
5136         is not a valid memory_operand.
5137
5138 2002-03-12  Bob Wilson  <bob.wilson@acm.org>
5139
5140         * config/xtensa/xtensa-config.h: Define XCHAL_HAVE_LOOPS.
5141         * config/xtensa/lib1funcs.asm: Fix copyright to include
5142         special case for libgcc files.
5143         (__udivsi3): Avoid loop instructions when XCHAL_HAVE_LOOPS is 0.
5144         (__divsi3): Likewise.
5145         (__umodsi3): Likewise.
5146         (__modsi3): Likewise.
5147         * config/xtensa/lib2funcs.S: Fix copyright to include
5148         special case for libgcc files.
5149
5150 2002-03-12  Tom Rix  <trix@redhat.com>
5151
5152         * collect2.c (resolve_lib_name): Move outside of
5153         OBJECT_FORMAT_COFF ifdef.
5154         (ignore_library): Same.
5155
5156 2002-03-12  Bob Wilson  <bob.wilson@acm.org>
5157
5158         * config/xtensa/t-xtensa (CRTSTUFF_T_CFLAGS_S): Define.
5159
5160 2002-03-12  Bob Wilson  <bob.wilson@acm.org>
5161
5162         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Switch
5163         to function_section before writing out the constant pool.
5164
5165 2002-03-12  David Edelsohn  <edelsohn@gnu.org>
5166
5167         * config/rs6000/rs6000.h (PREDICATE_CODES): Add any_operand and
5168         zero_constant.
5169         * config/rs6000/rs6000.c (easy_fp_constant): Fix formatting.
5170
5171 2002-03-12  Alan Modra  <amodra@bigpond.net.au>
5172
5173         * config/rs6000/rs6000.md (addsi3): Optimize sign extension.
5174         (adddi3): Likewise.
5175         (movdf): Likewise.
5176         (movdi): Likewise.
5177         (cmpsi splitter): Likewise.
5178         (modsi3): Fail if <= 0.
5179         * config/rs6000/rs6000.c (reg_or_add_cint64_operand): Remove
5180         redundant test when HOST_BITS_PER_WIDE_INT != 32.
5181         (reg_or_sub_cint64_operand): Likewise.
5182         (num_insns_constant_wide): Optimize sign extension.
5183         (rs6000_legitimize_address): Likewise.
5184
5185 2002-03-12  Andrew MacLeod  <amacleod@redhat.com>
5186
5187         * config/sparc/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
5188         * config/sparc/linux64.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
5189
5190 2002-03-12  Andrew MacLeod  <amacleod@redhat.com>
5191
5192         * config/sparc/sparc.h (RETURN_ADDR_RTX): Include v9 stack bias in
5193         address calculation.
5194
5195 2002-03-12  Ulrich Weigand  <uweigand@de.ibm.com>
5196
5197         * config/s390/s390.md (reload_insi, reload_indi): Change mode of
5198         scratch register to DImode / TImode.
5199         config/s390/s390.c (s390_expand_plus_operand): Make sure scratch
5200         register used does not overlap the target.
5201
5202 2002-03-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5203
5204         * Makefile.in (debug.o): Depend on debug.h.
5205         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Const-ify.
5206         * debug.c (do_nothing_debug_hooks): Likewise.
5207         * debug.h (debug_hooks, do_nothing_debug_hooks, dbx_debug_hooks,
5208         sdb_debug_hooks, xcoff_debug_hooks, dwarf_debug_hooks,
5209         dwarf2_debug_hooks, vmsdbg_debug_hooks): Likewise.
5210         * dwarf2out.c (dwarf2_debug_hooks): Likewise.
5211         * dwarfout.c (dwarf_debug_hooks): Likewise.
5212         * integrate.c (output_inline_function): Likewise.
5213         * objc/objc-act.c (synth_module_prologue): Likewise.
5214         * sdbout.c (sdb_debug_hooks): Likewise.
5215         * toplev.c (debug_hooks): Likewise.
5216         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
5217
5218 2002-03-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5219
5220         * 1750a.h, a29k.h, arc.h, arm.h, c4x.h, clipper.h, cris.h, d30v.h,
5221         dsp16xx.h, fr30.h, h8300.h, i370.h, i386.h, i860.h, i960.h,
5222         m32r.h, m68hc11.h, m68k.h, m88k.h, mcore.h, mmix.h, mn10300.h,
5223         ns32k.h, pa.h, pdp11.h, pj.h, romp.h, s390.h, stormy16.h,
5224         v850.h, vax.h, we32k.h, xtensa.h (POINTER_SIZE): Delete.
5225         * defaults.h (POINTER_SIZE): Define.
5226         * doc/tm.texi (POINTER_SIZE): Document default.
5227
5228 2002-03-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5229
5230         * mn10200.h (PTRDIFF_TYPE): Change it to a signed type.
5231
5232 2002-03-11  Richard Henderson  <rth@redhat.com>
5233
5234         * toplev.c (rest_of_compilation): Call purge_all_dead_edges
5235         if rebuild_label_notes_after_reload.
5236
5237 2002-03-12  Hans-Peter Nilsson  <hp@axis.com>
5238
5239         * config/cris/cris.c (cris_target_asm_function_prologue):  Do not
5240         emit pic register load if "internal" visibility.
5241         (cris_print_operand): Avoid traditional-warning for 0xffffffff.
5242         (cris_expand_builtin_va_arg): Do all computations on trees.
5243
5244 2002-03-11  Richard Henderson  <rth@redhat.com>
5245
5246         * rtlanal.c: Include recog.h.
5247         (keep_with_call_p): Fix thinko.
5248         * Makefile.in (rtlanal.o): Update dependencies.
5249
5250 2002-03-11  Chris Meyer  <cmeyer@gatan.com>
5251
5252         * genflags.c (gen_insn): Use IS_VSPACE.
5253         * genoutput.c (output_insn_data): Likewise.
5254         (process_template): Likewise.
5255
5256 2002-03-11  Richard Henderson  <rth@redhat.com>
5257
5258         * toplev.c (rest_of_compilation): Don't compile if we've had errors.
5259
5260 2002-03-11  Neil Booth  <neil@daikokuya.demon.co.uk>
5261
5262         * Makefile.in: Update.
5263         * doc/cppenv.texi, cppopts.texi: Split out of cpp.texi and gcc.texi.
5264         Update documentation.
5265         * doc/gcc.texi: Include cppopts.texi and cppenv.texi.
5266         * doc/cpp.texi: Include cppopts.texi and cppenv.texi.
5267
5268 2002-03-11  Zack Weinberg  <zack@codesourcery.com>
5269
5270         * Makefile.in: Give texi2pod its input file as a command line
5271         argument, not on stdin.
5272
5273 2002-03-11  Dan Nicolaescu  <dann@ics.uci.edu>
5274             Daniel Berlin  <dan@dberlin.org>
5275
5276         C++ alias analysis improvement.
5277         * alias.c (record_component_aliases): Record aliases for base
5278         classes too.
5279
5280 2002-03-11  Ulrich Weigand  <uweigand@de.ibm.com>
5281
5282         * config/s390/s390.h (REG_ALLOC_ORDER): Add missing register.
5283
5284 2002-03-11  Douglas B Rupp  <rupp@gnat.com>
5285
5286         * toplev.c (vms_fopen): Remove, not needed.
5287
5288         * vmsdbgout.c (lookup_filename): Adjust creation date for GMT.
5289
5290         * config/alpha/xm-vms.h (__UNIX_FWRITE): Define.
5291
5292         * config/alpha/alpha.c (alpha_sa_size, VMS): Don't reserve space
5293         for FP, already done later.
5294
5295         * toplev.c (debug_args): Add entry for VMS_DEBUG.
5296         * vmsdbgout.c (vmsdbgout_init): Fix typo in call to xmalloc.
5297
5298 2002-03-11  Richard Sandiford  <rsandifo@redhat.com>
5299
5300         * defaults.h (LARGEST_EXPONENT_IS_NORMAL, ROUND_TOWARDS_ZERO): New.
5301         (MODE_HAS_NANS, MODE_HAS_INFINITIES): Evaluate to false if
5302         LARGEST_EXPONENT_IS_NORMAL for the given mode.
5303         (MODE_HAS_SIGN_DEPENDENT_ROUNDING): False when ROUND_TOWARDS_ZERO.
5304         * real.c (eadd1): Make rounding dependent on !ROUND_TOWARDS_ZERO.
5305         (ediv, emul, eldexp, esqrt): Likewise.
5306         (etoe113, etoe64, etoe53, etoe24, etodec, etoibm, etoc4x): Likewise.
5307         (e24toe): Only check NaNs & infinities if !LARGEST_EXPONENT_IS_NORMAL.
5308         (saturate): New function.
5309         (toe53, toe24): Saturate on overflow if LARGEST_EXPONENT_IS_NORMAL.
5310         (make_nan): Use a saturation value instead of a NaN if
5311         LARGEST_EXPONENT_IS_NORMAL.  Warn when this happens.
5312         * fp-bit.c (pack_d): Saturate on NaN, infinite or overflowing
5313         inputs if LARGEST_EXPONENT_IS_NORMAL.  Represent subnormals as
5314         zero if NO_DENORMALS.  Only round to nearest if !ROUND_TOWARDS_ZERO.
5315         (unpack_d): No NaNs or infinities if LARGEST_EXPONENT_IS_NORMAL.
5316         (_fpmul_parts, _fpdiv_parts): Only round to nearest if
5317         !ROUND_TOWARDS_ZERO.
5318         * doc/tm.texi (LARGEST_EXPONENT_IS_NORMAL): Document.
5319         (ROUND_TOWARDS_ZERO): Document.
5320
5321 2002-03-11  Andreas Jaeger  <aj@suse.de>
5322
5323         * cfg.c (dump_flow_info): Remove unused variable.
5324
5325 2002-03-11  Hans-Peter Nilsson  <hp@bitrange.com>
5326
5327         * config/mmix/mmix.c (mmix_expand_builtin_va_arg): Do all
5328         computations on trees.
5329
5330 2002-03-10  Richard Henderson  <rth@redhat.com>
5331
5332         PR 5693:
5333         * reload.c (copy_replacements_1): New.
5334         (copy_replacements): Use it to recurse through the rtx.
5335
5336 2002-03-10  Richard Henderson  <rth@redhat.com>
5337
5338         * loop.c (strength_reduce): Compute number of iterations as
5339         unsigned HOST_WIDE_INT.
5340
5341 2002-03-10  Richard Henderson  <rth@redhat.com>
5342
5343         * sched-rgn.c (add_branch_dependences): Don't allow insns that throw
5344         to move away from the end of the block.
5345
5346 2002-03-10  Neil Booth  <neil@daikokuya.demon.co.uk>
5347
5348         PR preprocessor/5899
5349         * cppinit.c (init_dependency_output): Don't ignore -dM etc.
5350
5351 2002-03-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5352
5353         * mbchar.c (JIS_state_table, JIS_action_table): Const-ify.
5354
5355         * attribs.c (decl_attributes): Fix signed/unsigned warning.
5356
5357 2002-03-10  Hans-Peter Nilsson  <hp@bitrange.com>
5358
5359         * config/mmix/mmix.c: Improve comments.
5360         (mmix_target_asm_function_prologue): Drop variable
5361         empty_stack_frame.  Don't allocate unused slot above fp.
5362         (mmix_target_asm_function_epilogue): Mirror prologue changes.
5363         * config/mmix/mmix.h (MMIX_GNU_ABI_REG_ALLOC_ORDER): Don't have
5364         brace in first column.
5365         (enum reg_class): Ditto.
5366         (FIRST_PARM_OFFSET): Now 0.
5367         (USER_LABEL_PREFIX): Remove #if 0:d definition.
5368
5369 2002-03-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5370
5371         * combine.c (make_extraction): Fix error in last change.
5372
5373 2002-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5374
5375         * c4x.c (c4x_fp_reglist): Const-ify.
5376         * cris.c (cris_print_operand): Likewise.
5377         * i386.c (ix86_va_arg): Likewise.
5378         * ia64/unwind-ia64.c (unw_decode_table): Likewise.
5379         * m32r.c (m32r_hard_regno_mode_ok): Likewise.
5380         * m32r.h (m32r_hard_regno_mode_ok): Likewise.
5381         * mcore.c (regno_reg_class, mcore_unique_section): Likewise.
5382         * mcore.h (regno_reg_class): Likewise.
5383         * mips.c (gen_int_relational): Likewise.
5384         * ns32k.c (ns32k_reg_class_contents, regclass_map): Likewise.
5385         * ns32k.h (ns32k_reg_class_contents, regclass_map): Likewise.
5386         * pdp11.c (move_costs): Likewise.
5387         * pj.h (INITIALIZE_TRAMPOLINE): Likewise.
5388         * s390.c (s390_branch_condition_mnemonic, regclass_map):
5389         Likewise.
5390         * s390.h (regclass_map): Likewise.
5391         * sh.c (shift_amounts): Likewise.
5392         * sh.md (rotlsi3): Likewise.
5393
5394 2002-03-09  Geoffrey Keating  <geoffk@redhat.com>
5395
5396         * config/rs6000/rs6000.md (ne0+4): Add extra CLOBBER.
5397         (ne0+5): Use new clobber to generate proper shift pattern.
5398         Patch by Michael Matz <matz@kde.org>.
5399
5400 2002-03-09  Andreas Schwab  <schwab@suse.de>
5401
5402         * gcc.c (validate_all_switches): Also handle `%W{...}'.
5403
5404 2002-03-09  Geoffrey Keating  <geoffk@redhat.com>
5405
5406         * config/rs6000/sysv4.h (BIGGEST_ALIGNMENT): Don't define.
5407
5408 2002-03-09  Jakub Jelinek  <jakub@redhat.com>
5409
5410         PR middle-end/5877
5411         * expr.c (highest_pow2_factor): Check TREE_INT_CST_LOW
5412         even for non-representable constants.
5413
5414 Sat Mar  9 07:20:01 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5415
5416         * emit-rtl.c (copy_most_rtx): Accept EXPR_LIST for may_share.
5417         * function.c (fixup_var_refs): Add MAY_SHARE parameter.
5418         (fixup_var_refs_insns, fixup_var_refs_insns_with_has): Likewise.
5419         (fixup_var_refs_insn, fixup_var_refs_1): Likewise.
5420         (pop_function_context): Compute MAY_SHARE parameter for
5421         fixup_var_refs.
5422         (fixup_var_refs_1, case MEM): Pass MAY_SHARE to copy_most_rtx, not VAR.
5423         (gen_mem_addressof): Call fixup_var_refs with new parm.
5424
5425         * combine.c (make_extraction): Don't make extension of CONST_INT.
5426
5427 2002-03-09  Alexandre Oliva  <aoliva@redhat.com>
5428
5429         * config/mips/mips.c (function_arg_pass_by_reference): Force to 0
5430         in o32 and o64 ABIs.
5431         * config/mips/abi64.h (MUST_PASS_IN_STACK): Define as in expr.h,
5432         but getting fixed-size structs passed in registers regardless of
5433         padding in o32 and o64 ABIs.
5434
5435         * config/mips/mips.c (mips_va_arg): Apply big-endianness address
5436         offset before loading address of argument passed by transparent
5437         reference.
5438
5439 2002-03-08  John David Anglin  <dave@hiauly1.hia.nrc.ca>
5440
5441         * t-pa64 (LIB1ASMFUNCS, LIB1ASMSRC): Delete.
5442
5443 2002-03-09  Alexandre Oliva  <aoliva@redhat.com>
5444
5445         * config/mips/mips.c (mips_expand_prologue): Set regno of vararg
5446         marker such that registers after it are saved.
5447
5448 2002-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5449
5450         * sparc.c (arith_4096_operand): Fix error in last change.
5451
5452 2002-03-08  Alexandre Oliva  <aoliva@redhat.com>
5453
5454         * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC): Remove duplicate
5455         defaults for MEABI.
5456
5457 2002-03-08  Aldy Hernandez  <aldyh@redhat.com>
5458
5459         * config/rs6000/rs6000.c (rs6000_va_arg): Fix alignment for
5460         vectors.
5461
5462 2002-03-08  Aldy Hernandez  <aldyh@redhat.com>
5463
5464         * config/rs6000/sysv4.h (BIGGEST_ALIGNMENT): Change for altivec.
5465
5466 Fri Mar  8 21:27:49 CET 2002  Jan Hubicka  <jh@suse.cz>
5467
5468         * cfgrtl.c (purge_dead_edges): Set BB_DRITY flags if edge has been
5469         removed; fix return value.
5470         * combine.c (combine_instructions): Dirtify blocks where we failed to
5471         update liveness; purge dead edges; use update_life_info_in_dirty_blocks.
5472         * toplev.c (rest_of_compilation): Do not purge_dead_edges after combine.
5473
5474 2002-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5475
5476         * gcse.c (insert_insn_end_bb): Fix typo in last change.
5477
5478 Fri Mar  8 21:08:52 CET 2002  Jan Hubicka  <jh@suse.cz>
5479
5480         * recog.c (peephole2_optimize): Re-distribute EH edges.
5481
5482 2002-03-08  Neil Booth  <neil@daikokuya.demon.co.uk>
5483
5484         * expr.c (expand_expr): Use unsave lang hook.
5485         * langhooks-def.h (LANG_HOOKS_UNSAVE): New.
5486         (LANG_HOOKS_INITIALIZER): Update.
5487         * langhooks.h (struct lang_hooks): New hook unsave.
5488         * tree.c (lang_unsave, lang_unsave_expr_now): Remove.
5489         (unsave_expr_1): Remove unused lang_unsave_expr_now.
5490         (unsave_expr_now_r): Rename lhd_unsave.  Update. Return input.
5491         (unsave_expr_now): Remove.
5492         * tree.h (unsave_expr_now, lang_unsave,
5493         lang_unsave_expr_now): Remove.
5494         (lhd_unsave): New.
5495
5496 2002-03-08  Andreas Jaeger  <aj@suse.de>
5497
5498         * flow.c (propagate_block_delete_insn): Remove unused variable.
5499
5500 2002-03-08  Kazu Hirata  <kazu@hxi.com>
5501
5502         * config/h8300/h8300.c (h8300_adjust_insn_length): Tighten
5503         insn length for memory load/store.
5504
5505 2002-03-08  Craig Rodrigues  <rodrigc@gcc.gnu.org>
5506
5507         * doc/install.texi (--with-libiconv-prefix): Document.
5508
5509 2002-03-08  Michael Y. Brukman  <myb2@cornell.edu>
5510
5511         * doc/sourcebuild.texi: Fix typo.
5512
5513 2002-03-08  Jakub Jelinek  <jakub@redhat.com>
5514
5515         PR c/3711
5516         * builtins.c (std_expand_builtin_va_arg): Do all computations on
5517         trees.
5518
5519 Fri Mar  8 06:48:45 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5520
5521         * rtl.c (copy_most_rtx): Move from here ...
5522         * emit-rtl.c (copy_most_rtx): ... to here.
5523
5524 2002-03-08  Alexandre Oliva  <aoliva@redhat.com>
5525
5526         * config/mips/mips.h (LONG_MAX_SPEC): Rewrite, along with
5527         SUBTARGET_CPP_SIZE_SPEC.
5528         * config/mips/abi64.h (LONG_MAX_SPEC): Delete.
5529
5530         * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC): Simplify.
5531
5532 2002-03-07  Matt Hiller  <hiller@redhat.com>
5533
5534         * gensupport.c (first_dir_md_include): Renamed from include;
5535         change all references.
5536         (last_dir_md_include): Renamed from last_include; change all
5537         references.
5538         (init_md_reader): Unconditionally initialize base_dir whether or
5539         not filename is a relative path.
5540
5541 2002-03-07  Alexandre Oliva  <aoliva@redhat.com>
5542
5543         * config/fp-bit.c (_unord_f2): Compile it in even if
5544         US_SOFTWARE_GOFAST is enabled.
5545
5546         * config/gofast.h (GOFAST_RENAME_LIBCALLS): Set gt and ge as
5547         NULL_RTX.  Set all HFmode operations as NULL_RTX.
5548         * optabs.c (prepare_float_lib_cmp) <GT, GE, LT, LE>: If libfunc is
5549         NULL_RTX, try reversing the comparison and the operands.
5550
5551 2002-03-06  Ulrich Weigand  <uweigand@de.ibm.com>
5552
5553         * genextract.c (walk_rtx): Recurse into MATCH_PAR_DUP.
5554         genoutput.c (scan_operands): Recurse into MATCH_PAR_DUP
5555         and MATCH_OP_DUP.
5556
5557 Thu Mar  7 16:54:10 CET 2002  Jan Hubicka  <jh@suse.cz>
5558
5559         * reload1.c (reload_cse_delete_noop_set): Purge dead edges.
5560
5561 Thu Mar  7 16:33:54 CET 2002  Jan Hubicka  <jh@suse.cz>
5562
5563         * basic-block.h (fixup_abnormal_edges): Declare.
5564         * reload1.c (fixup_abnormal_edges): New function.
5565         * reg-stack.c (convert_regs): Use it.
5566
5567         * gcse.c (insert_insn_end_bb): Handle trapping insns.
5568
5569         * gcse.c (hash_scan_set): Refuse instructions with EH edges.
5570
5571 2002-03-07  Richard Sandiford  <rsandifo@redhat.com>
5572
5573         * defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES): New.
5574         (MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): New.
5575         * flags.h (HONOR_NANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS): New.
5576         (HONOR_SIGN_DEPENDENT_ROUNDING): New.
5577         * builtins.c (expand_builtin_mathfn): Use HONOR_NANS.
5578         * c-common.c (truthvalue_conversion): Reduce x - y != 0 to x != y
5579         unless x and y could be infinite.
5580         (expand_unordered_cmp): New, mostly split from expand_tree_builtin.
5581         Check that the common type of both arguments is a real, even for
5582         targets without unordered comparisons.  Allow an integer argument
5583         to be compared against a real.
5584         (expand_tree_builtin): Use expand_unordered_cmp.
5585         * combine.c (combine_simplify_rtx): Use the new HONOR_... macros.
5586         * cse.c (fold_rtx): Likewise.  Fix indentation.
5587         * fold-const.c (fold_real_zero_addition_p): New.
5588         (fold): Use it, and the new HONOR_... macros.
5589         * ifcvt.c (noce_try_minmax): Use the new HONOR_... macros.
5590         * jump.c (reversed_comparison_code_parts): After searching for
5591         the true comparison mode, use HONOR_NANS to decide whether it
5592         can be safely reversed.
5593         (reverse_condition_maybe_unordered): Remove IEEE check.
5594         * simplify-rtx.c (simplify_binary_operation): Use the new macros
5595         to decide which simplifications are valid.  Allow the following
5596         simplifications for IEEE: (-a + b) to (b - a), (a + -b) to (a - b),
5597         and (a - -b) to (a + b).
5598         (simplify_relational_operation): Use HONOR_NANS.
5599         * doc/tm.texi: Document the MODE_HAS_... macros.
5600
5601 2002-03-07  Richard Earnshaw  <rearnsha@arm.com>
5602
5603         * combine.c (simplify_comparison): If simplifying a logical shift
5604         right and compare with constant, force the comparison to unsigned.
5605
5606 2002-03-07  Aldy Hernandez  <aldyh@redhat.com>
5607
5608         * doc/invoke.texi: Add documentation for -mabi=no-altivec.
5609
5610         * config/rs6000/rs6000.c (rs6000_parse_abi_options): Add
5611         -mabi=no-altivec
5612         (alt_reg_names): Remove % for vrsave.
5613
5614 2002-03-06  Richard Henderson  <rth@redhat.com>
5615
5616         PR optimization/5844
5617         * genemit.c (gen_exp): New argument used.  Invoke copy_rtx
5618         if used indicates we've already emitted one copy of an operand.
5619         (gen_insn, gen_expand, output_add_clobbers): Supply a null used.
5620         (gen_split): Supply a non-null used.
5621
5622 2002-03-06  Ulrich Weigand  <uweigand@de.ibm.com>
5623
5624         * reload1.c (reload): Unshare all rtl after reload is done.
5625
5626         * simplify-rtx.c (simplify_plus_minus): Do not abort,
5627         but simply fail if the expression is too complex to simplify.
5628         (simplify_gen_binary): Handle simplify_plus_minus failures.
5629
5630 Wed Mar  6 20:32:09 CET 2002  Jan Hubicka  <jh@suse.cz>
5631
5632         * toplev.c (rest_of_compilation): Do jump threading before SSA path;
5633         consistently call delete_trivially_dead_insns after CSE and GCSE;
5634         fix DFI_life dumping; do jump threading after liveness; do crossjumping
5635         after liveness2; update comment in last crossjumping.
5636         * cfgcleanup.c (try_crossjump_to_edge): Dirtify block.
5637
5638 Wed Mar  6 12:27:10 2002  Jeffrey A Law  (law@redhat.com)
5639
5640         * ssa-ccp.c (ssa_fast_dce): Update the DF def-use chains
5641         after completing fast dead code elimination.
5642
5643         * m68k.h (CONST_COSTS): Lower cost of 0.0 when used inside a
5644         COMPARE operator.
5645
5646 2002-03-06  Phil Edwards  <pme@gcc.gnu.org>
5647
5648         * version.c:  Fix misplaced leading blanks on first line.
5649
5650 Wed Mar  6 19:08:03 CET 2002  Jan Hubicka  <jh@suse.cz>
5651
5652         * cfgrtl.c (verify_flow_info): Accept RESX as EH edge source.
5653
5654 Wed Mar  6 18:14:43 CET 2002  Jan Hubicka  <jh@suse.cz>
5655
5656         * cfgcleanup.c (mentions_nonequal_regs): New function.
5657         (thread_jump): Use it.
5658         * toplev.c (rest_of_compilation): Run jump threading after
5659         liveness.
5660
5661 2002-03-06  Jakub Jelinek  <jakub@redhat.com>
5662
5663         * ssa-ccp.c (ssa_ccp_substitute_constants): Backout 2002-03-05
5664         patch.
5665
5666 Wed Mar  6 11:28:19 CET 2002  Jan Hubicka  <jh@suse.cz>
5667
5668         * predict.c (estimate_bb_frequencies): Do not reload the
5669         frequencies from notes.
5670
5671 Wed Mar  6 10:59:39 CET 2002  Jan Hubicka  <jh@suse.cz>
5672
5673         * cfgrtl.c (delete_insn_and_edges, delete_insn_chain_and_edges): New.
5674         * rtl.h (delete_insn_and_edges, delete_insn_chain_and_edges): Declare
5675
5676         * basic-block.h (update_life_info, update_life_info_in_dirty_blocks,
5677         delete_noop_moves): Return indeger.
5678         * flow.c (ndead): New variable.
5679         (propagate_block_delete_insn): Use delete_insn_and_edges; remove
5680         BB argument; update callers.
5681         (propagate_block_delete_libcall): Use delete_insn_chain_and_edges.
5682         (life_analysis): Do not call purge_all_dead_edges.
5683         (update_life_info): Return number of deleted insns; print statistics.
5684         (update_life_info_in_dirty_blocks): likewise.
5685         (delete_noop_moves): Use delete_insn_and_edges; print statistics;
5686         return number of insns deleted.
5687
5688         * cse.c: Include timevar.h
5689         (delete_trivially_dead_insns): Kill preserve_basic_blocks argument;
5690         iterate until stabilizes; print statistics; return number of killed
5691         insns.
5692         * Makefile.in: (cse.o): Add timevar.h dependency
5693         * rtl.h (delete_trivially_dead_insns): New.
5694         * timever.def: Add TV_DELETE_TRIVIALLY_DEAD timer.
5695         * toplev.c (rest_of_compilation): Update callers.
5696
5697         * cfgcleanup.c (try_optimize_cfg): Kill blocks.
5698         (try_optimize_cfg): Do not update liveness.
5699         (cleanup-cfg): Loop until try_optimize_cfg and dead code
5700         removal stabilizes; use delete_trivially_dead_insns.
5701
5702         * cfgrtl.c (verify_flow_info): Sanity check outgoing edges.
5703
5704 2002-03-05  Zack Weinberg  <zack@codesourcery.com>
5705
5706         * cppmain.c (setup_callbacks): Disable #pragma and #ident
5707         callbacks when processing assembly language.
5708
5709 2002-03-05  John David Anglin  <dave@hiauly1.hia.nrc.ca>
5710
5711         * pa.h (ASM_FILE_END): Define.
5712         * som.h (ASM_FILE_END): Delete.
5713
5714         * pa.c (function_arg): Don't pass floats in general registers in
5715         indirect calls if TARGET_ELF32.
5716
5717 2002-03-05  Richard Henderson  <rth@redhat.com>
5718
5719         * config/i386/i386.md (floatsidf2): Conditionalize on hard-float.
5720
5721 2002-03-05  Danny Smith  <dannysmith@users.sourceforge.net>
5722
5723         * gthr-win32.h (__GTHREAD_MUTEX_INIT_DEFAULT): Define.
5724
5725 2002-03-05  Jakub Jelinek  <jakub@redhat.com>
5726
5727         * mklibgcc.in: Prepend a tab before .hidden, add $flags to gcc
5728         -r command line.  Don't hide any symbols if not building
5729         shared libgcc.
5730
5731 Tue Mar  5 18:31:27 CET 2002  Jan Hubicka  <jh@suse.cz>
5732
5733         * cfg.c (dump_flow_info): Warn about profile mismatches.
5734         * cfgrtl.c (verify_flow_info): Few aditional sanity checks.
5735         (purge_dead_edges): Remove REG_BR_PROB notes on simplejumps.
5736
5737 2002-03-05  Jakub Jelinek  <jakub@redhat.com>
5738
5739         * expmed.c (emit_store_flag): Don't test BITS_PER_WORD * 2
5740         wide volatile memory by parts.
5741
5742 2002-03-05  Jakub Jelinek  <jakub@redhat.com>
5743
5744         * ssa-ccp.c (ssa_ccp_substitute_constants): Don't crash if def
5745         is NULL.
5746
5747 2002-03-05  Richard Henderson  <rth@redhat.com>
5748
5749         * rs6000.h (TOTAL_ALTIVEC_REGS): Fix off-by-one error.
5750
5751 2002-03-04  Geoffrey Keating  <geoffk@redhat.com>
5752
5753         * toplev.c (documented_lang_options): Document more
5754         language-specific options.
5755         * doc/invoke.texi (Warning Options): Correct documentation for
5756         -Wno-multichar, -Wno-div-by-zero, and -Wsystem-headers.
5757         * c-decl.c (c_decode_option): Use a table to handle warning options.
5758
5759 2002-03-05  Hans-Peter Nilsson  <hp@bitrange.com>
5760
5761         * config/mmix/mmix.h (ENCODE_SECTION_INFO): Pass on new second
5762         parameter to mmix_encode_section_info.
5763         (LINK_SPEC): Don't defsym __.MMIX.start..text if linking
5764         relocatably.  Always produce ELF, not mmo if linking relocatably.
5765         * config/mmix/mmix.c (mmix_encode_section_info): If new parameter
5766         first is non-zero, don't add symbol prefix.
5767         * config/mmix/mmix-protos.h (mmix_encode_section_info): Tweak
5768         prototype accordingly.
5769
5770 2002-03-04  Krister Walfridsson  <cato@df.lth.se>
5771
5772         * config.gcc (*-*-netbsd*): Add t-slibgcc-elf-ver to tmake_file.
5773
5774 2002-03-05  Joseph S. Myers  <jsm28@cam.ac.uk>
5775
5776         * configure.in: Increase required makeinfo version to 4.1.
5777         * configure: Regenerate.
5778
5779 2002-03-04  Geoffrey Keating  <geoffk@redhat.com>
5780
5781         * .cvsignore: Remove *.info* and genrtl*; these files are generated
5782         elsewhere now.
5783
5784 2002-03-04  Joseph S. Myers  <jsm28@cam.ac.uk>
5785
5786         * doc/include/texinfo.tex: Update to version 2002-03-01.06.
5787         * doc/invoke.texi: Fix @math uses.
5788
5789 Mon Mar  4 15:33:54 CET 2002  Jan Hubicka  <jh@suse.cz>
5790
5791         * toplev.c (rest_of_compilation): Cleanup CFG after dead jumptables
5792         removal
5793
5794 2002-03-03  Aldy Hernandez  <aldyh@redhat.com>
5795
5796         * config.gcc (powerpc-*-eabialtivec*): Use t-ppcendian.
5797         (powerpc-*-eabisimaltivec*): Same.
5798
5799         * config/rs6000/t-ppcendian: New.
5800
5801 2002-03-04  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5802
5803         * c4x-protos.h, c4x.h, c4x.c, c4x.md: Add new functions
5804         nonimmediate_src_operand and nonimmediate_lsrc_operand to
5805         disallow ZERO_EXTEND with CONST_INT or CONST_DOUBLE.
5806
5807 2002-03-03  Richard Henderson  <rth@redhat.com>
5808
5809         * toplev.c (rest_of_decl_compilation): Revert last two changes.
5810
5811 2002-03-03  Zack Weinberg  <zack@codesourcery.com>
5812
5813         * emit-rtl.c, final.c, fold-const.c, gengenrtl.c, optabs.c,
5814         print-tree.c, real.c, real.h, recog.c, rtl.c, simplify-rtx.c,
5815         tree.c, config/m68k/m68k.c:
5816         Remove all #ifndef REAL_ARITHMETIC blocks, make all #ifdef
5817         REAL_ARITHMETIC blocks unconditional.  Delete some further
5818         #ifdef blocks predicated on REAL_ARITHMETIC.
5819         * flags.h, toplev.c: Delete remaining references to
5820         flag_pretend_float.
5821
5822         * doc/invoke.texi: Remove documentation of -fpretend-float.
5823         * doc/tm.texi: Describe the various REAL_* macros as provided by
5824         real.h, not by the target configuration files.
5825
5826         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/arm/arm.h,
5827         config/avr/avr.h, config/c4x/c4x.h, config/convex/convex.h,
5828         config/cris/cris.h, config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
5829         config/h8300/h8300.h, config/i370/i370.h, config/i386/i386.h,
5830         config/i386/osf1elf.h, config/i960/i960.h, config/ia64/ia64.h,
5831         config/m32r/m32r.h, config/m68hc11/m68hc11.h, config/m68k/dpx2.h,
5832         config/m68k/linux-aout.h, config/m68k/linux.h, config/m68k/m68k.h,
5833         config/m68k/sun3.h, config/m68k/vxm68k.h, config/mcore/mcore.h,
5834         config/mips/mips.h, config/mmix/mmix.h, config/mn10200/mn10200.h,
5835         config/mn10300/mn10300.h, config/pa/pa.h, config/pj/pj.h,
5836         config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.h,
5837         config/sparc/freebsd.h, config/sparc/linux.h, config/sparc/linux64.h,
5838         config/sparc/sol2.h, config/sparc/sparc.h, config/sparc/vxsim.h,
5839         config/stormy16/stormy16.h, config/v850/v850.h, config/vax/vax.h,
5840         config/xtensa/xtensa.h:
5841         Do not define, undefine, or mention in comments any of
5842         REAL_ARITHMETIC, REAL_VALUE_ATOF, REAL_VALUE_HTOF,
5843         REAL_VALUE_ISNAN, REAL_VALUE_ISINF,
5844         REAL_VALUE_TO_TARGET_SINGLE, REAL_VALUE_TO_TARGET_DOUBLE,
5845         REAL_VALUE_TO_TARGET_LONG_DOUBLE, REAL_VALUE_TO_DECIMAL,
5846         REAL_VALUE_TYPE, REAL_VALUES_EQUAL, REAL_VALUES_LESS,
5847         REAL_VALUE_LDEXP, REAL_VALUE_FIX, REAL_VALUE_UNSIGNED_FIX,
5848         REAL_VALUE_RNDZINT, REAL_VALUE_UNSIGNED_RNDZINT,
5849         REAL_INFINITY, REAL_VALUE_NEGATE, REAL_VALUE_TRUNCATE,
5850         REAL_VALUE_TO_INT, or REAL_VALUE_FROM_INT.
5851
5852 2002-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5853
5854         * 1750a.h, a29k.h, alpha.h, arc.h, arm.h, avr.h, c4x.h, clipper.h,
5855         convex.h, cris.h, d30v.h, dsp16xx.h, elxsi.h, fr30.h, h8300.h,
5856         i370.h, i386.h, i860.h, i960.h, ia64.h, m32r.h, m68hc11.h, m68k.h,
5857         m88k.h, mcore.h, mips.h, mmix.h, mn10200.h, mn10300.h, ns32k.h,
5858         pa.h, pdp11.h, pj.h, romp.h, rs6000.h, s390.h, sh.h, sparc.h,
5859         stormy16.h, v850.h, vax.h, we32k.h, xtensa.h (BITS_PER_WORD):
5860         Delete.
5861         * defaults.h (BITS_PER_WORD): Define.
5862         * doc/tm.texi (BITS_PER_WORD): Document default value.
5863
5864         * 1750a.h, avr.h, convex.h, d30v.h, dsp16xx.h, fr30.h, ia64.h,
5865         m68hc11.h, m88k.h, mips.h, pdp11.h, rs6000.h, sparc.c,
5866         stormy16.h, xtensa.h, vmsdbgout.c (CHAR_TYPE_SIZE): Delete.
5867
5868 2002-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5869
5870         * attribs.c (init_attributes, decl_attributes): Use ARRAY_SIZE in
5871         lieu of explicit sizeof/sizeof.
5872         * i386.c (override_options, ix86_init_mmx_sse_builtins,
5873         ix86_expand_builtin): Likewise.
5874         * mips.c (mips_add_gc_roots): Likewise.
5875         * mmix.c (mmix_output_condition): Likewise.
5876         * rs6000.c (rs6000_override_options, altivec_expand_builtin,
5877         altivec_init_builtins): Likewise.
5878         * sparc.c (mark_ultrasparc_pipeline_state): Likewise.
5879         * cppexp.c (Nsuff, parse_number): Likewise.
5880         * cppinit.c (builtin_array_end): Likewise.
5881         * gcc.c (n_default_compilers, process_command): Likewise.
5882         * genpreds.c (output_predicate_decls): Likewise.
5883         * ggc-page.c (NUM_EXTRA_ORDERS): Likewise.
5884         * lcm.c (N_ENTITIES): Likewise.
5885         * stor-layout.c (set_sizetype): Likewise.
5886
5887 2002-03-03  Richard Henderson  <rth@redhat.com>
5888
5889         * toplev.c (rest_of_decl_compilation): Do not invoke make_decl_rtl
5890         for types or labels.
5891
5892 2002-03-03  Richard Henderson  <rth@redhat.com>
5893
5894         * c-decl.c (start_decl): Initialized variables are not common.
5895
5896 2002-03-02  Per Bothner  <per@bothner.com>
5897
5898         * gcc.c (option_map):  Suport new --bootclasspath option.
5899         --CLASSPATH is now just an alias for --classpath.
5900
5901 2002-03-02  Richard Henderson  <rth@redhat.com>
5902
5903         * config/i386/i386.h (ix86_expand_prologue): Do not emit pic register
5904         load if "internal" visibility.
5905         * doc/extend.texi: Document visibility meanings.
5906
5907 2002-03-02  Richard Henderson  <rth@redhat.com>
5908
5909         * config/i386/i386.h (ENCODE_SECTION_INFO): MODULE_LOCAL_P applies
5910         to functions as well.
5911
5912 2002-03-02  Richard Henderson  <rth@redhat.com>
5913
5914         * attribs.c (handle_alias_attribute): Don't call assemble_alias.
5915         (handle_visibility_attribute): Don't call assemble_visibility.
5916         * toplev.c (rest_of_decl_compilation): Invoke make_decl_rtl even
5917         without asmspec.  Invoke assemble_alias when needed.
5918         * varasm.c (maybe_assemble_visibility): New.
5919         (assemble_start_function, assemble_variable, assemble_alias): Use it.
5920
5921 2002-03-02  Richard Henderson  <rth@redhat.com>
5922
5923         * varasm.c (make_decl_rtl): Remove call to REDO_SECTION_INFO_P;
5924         invoke ENCODE_SECTION_INFO with first call flag.
5925
5926         * config/darwin-protos.h, config/darwin.c, config/darwin.h,
5927         config/a29k/a29k.h, config/alpha/alpha-protos.h, config/alpha/alpha.c,
5928         config/alpha/alpha.h, config/arc/arc.h, config/arm/arm-protos.h,
5929         config/arm/arm.h, config/arm/pe.c, config/arm/pe.h,
5930         config/avr/avr-protos.h, config/avr/avr.c, config/avr/avr.h,
5931         config/c4x/c4x-protos.h, config/c4x/c4x.c, config/c4x/c4x.h,
5932         config/cris/cris-protos.h, config/cris/cris.c, config/cris/cris.h,
5933         config/d30v/d30v.h, config/h8300/h8300.h, config/i370/i370.h,
5934         config/i386/cygwin.h, config/i386/i386-interix.h, config/i386/i386.h,
5935         config/i386/osfrose.h, config/i386/win32.h, config/i386/winnt.c,
5936         config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
5937         config/m32r/m32r-protos.h, config/m32r/m32r.c, config/m32r/m32r.h,
5938         config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c,
5939         config/m68hc11/m68hc11.h, config/m88k/m88k.h,
5940         config/mcore/mcore-protos.h, config/mcore/mcore.c,
5941         config/mcore/mcore.h, config/mips/mips.h, config/ns32k/ns32k.h,
5942         config/pa/pa.h, config/romp/romp.h, config/rs6000/linux64.h,
5943         config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
5944         config/rs6000/sysv4.h, config/rs6000/xcoff.h, config/s390/s390.h,
5945         config/sh/sh.h, config/sparc/sparc.h,
5946         config/stormy16/stormy16-protos.h, config/stormy16/stormy16.c,
5947         config/stormy16/stormy16.h, config/v850/v850.h, config/vax/vms.h,
5948         config/xtensa/xtensa.h, doc/tm.texi: ENCODE_SECTION_INFO now takes
5949         FIRST argument.  As needed, examine it and do nothing.
5950
5951         * config/darwin.h, config/alpha/alpha.h, config/arm/pe.h,
5952         config/i386/cygwin.h, config/ia64/ia64.h, config/m68hc11/m68hc11.h,
5953         config/mcore/mcore.h: Remove REDO_SECTION_INFO_P.
5954
5955         * config/arm/t-pe (pe.o): Add dependencies.
5956
5957 2002-03-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5958
5959         * a29k.h, alpha.h, arc.h, arm.h, avr.h, clipper.h, convex.h,
5960         cris.h, d30v.h, elxsi.h, fr30.h, h8300.h, i370.h, i386.h, i860.h,
5961         i960.h, ia64.h, m32r.h, m68hc11.h, m68k.h, m88k.h, mcore.h,
5962         mips.h, mmix.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pdp11.h,
5963         pj.h, romp.h, rs6000.h, s390.h, sh.h, sparc.h, stormy16.h, v850.h,
5964         vax.h, we32k.h, xtensa.h: (BITS_PER_UNIT): Delete.
5965         * defaults.h (BITS_PER_UNIT): Define.
5966         * doc/tm.texi (BITS_PER_UNIT): Document default value.
5967
5968 2002-03-02  Kazu Hirata  <kazu@hxi.com>
5969
5970         * config/h8300/h8300-protos.h: Add a prototype for
5971         compute_a_shift_length.
5972         * config/h8300/h8300.c (h8300_asm_insn_count): New.
5973         (compute_a_shift_length): Likewise.
5974         (h8300_adjust_insn_length): Do not adjust insn length of shift
5975         insns.
5976         * config/h8300/h8300.md (anonymous shift patterns): Use
5977         compute_a_shift_length.
5978
5979 Sat Mar  2 06:30:14 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5980
5981         * config/sparc/sparc.c (sparc_initialize_trampoline): Use
5982         trunc_int_for_mode.
5983
5984         * emit-rtl.c (offset_address): Call update_temp_slot_address.
5985
5986 2002-03-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5987
5988         * Makefile.in (CRTSTUFF_CFLAGS): Add -fno-zero-initialized-in-bss.
5989         * doc/invoke.texi (-fno-zero-initialized-in-bss): Document.
5990         * flags.h (flag_zero_initialized_in_bss): Declare.
5991         * toplev.c (flag_zero_initialized_in_bss): New flag.
5992         (lang_independent_options): Add flag_zero_initialized_in_bss.
5993         * tree.c (initializer_zerop): New function.
5994         * tree.h (initializer_zerop): Declare.
5995         * varasm.c (assemble_variable): If we can emit bss, put zero
5996         initializers in the bss section.
5997
5998 2002-03-02  Alan Modra  <amodra@bigpond.net.au>
5999
6000         * config/rs6000/rs6000.h (ASM_WEAKEN_DECL): AIX assembler doesn't
6001         like more than one symbol per .weak directive.
6002
6003 2002-03-01  Richard Henderson  <rth@redhat.com>
6004
6005         * config/ia64/ia64.c (ia64_initial_elimination_offset): Do not
6006         adjust argument_pointer by pretend_args_size.
6007         (ia64_va_start): Adjust va_start address by -pretend_args_size.
6008
6009 2002-03-01  Kazu Hirata  <kazu@hxi.com>
6010
6011         * config/h8300/h8300.c (h8300_adjust_insn_length): Clean up.
6012
6013 Fri Mar  1 20:59:14 CET 2002  Jan Hubicka  <jh@suse.cz>
6014
6015         * toplev.c (rest_of_compilation): Delete dead jumptables before
6016         loop.
6017         * flow.c (delete_dead_jumptables): Make global.
6018         * rtl.h (delete_dead_jumptables): Declare.
6019
6020 2002-03-01  David Edelsohn  <edelsohn@gnu.org>
6021
6022         * config/rs6000/rs6000.h (HANDLE_PRAGMA_PACK): Delete.
6023         * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Define.
6024         * config/rs6000/xcoff.h (COLLECT_EXPORT_LIST): Delete.
6025
6026 2002-03-01  Kazu Hirata  <kazu@hxi.com>
6027
6028         * config/h8300/h8300-protos.h: Fix formatting.
6029         * config/h8300/h8300.c: Likewise.
6030         * config/h8300/h8300.h: Likewise.
6031
6032 2002-03-01  Kazu Hirata  <kazu@hxi.com>
6033
6034         * config/h8300/h8300.c (print_operand): Support 16-bit
6035         constant addresses.
6036         * config/h8300/h8300.h (TINY_CONSTANT_ADDRESS_P): New.
6037
6038 2002-02-28  Richard Henderson  <rth@redhat.com>
6039
6040         * expmed.c (store_bit_field): Prevent generation of CONCATs;
6041         pun complex values as integers; use gen_lowpart instead of
6042         gen_rtx_SUBREG.
6043         (extract_bit_field): Likewise.
6044
6045 2002-03-01  Alan Modra  <amodra@bigpond.net.au>
6046             David Edelsohn  <edelsohn@gnu.org>
6047
6048         * doc/tm.texi (ASM_WEAKEN_DECL): Document.
6049         (ASM_WEAKEN_LABEL): Mention ASM_WEAKEN_DECL.
6050         (SUPPORTS_WEAK): Likewise.
6051         * output.h (add_weak): Add tree param.
6052         * varasm.c (add_weak): Likewise.  Save decl.
6053         (struct weak_syms): Add decl field.
6054         (mark_weak_decls): New function.
6055         (init_varasm_once): ggc_add_root mark_weak_decls.
6056         (assemble_start_function): Use ASM_WEAKEN_DECL.
6057         (assemble_variable): Likewise.
6058         (assemble_alias): Likewise.
6059         (declare_weak): Pass decl to add_weak.
6060         (weak_finish): Use ASM_WEAKEN_DECL. Try to find decl.
6061         (remove_from_pending_weak_list): Declare and define for
6062         ASM_WEAKEN_DECL.
6063         * c-pragma.c (handle_pragma_weak): Adjust add_weak call.
6064         * c-pragma.h (HANDLE_PRAGMA_WEAK): Define if ASM_WEAKEN_DECL too.
6065         * defaults.h (SUPPORTS_WEAK): Likewise.
6066         * config/rs6000/linux64.h (ASM_DECLARE_FUNCTION_NAME): Don't emit
6067         .weak for code sym.  Do emit .size for descriptor sym.
6068         (ASM_DECLARE_FUNCTION_SIZE): Define.
6069         * config/rs6000/rs6000.h (ASM_WEAKEN_DECL): Define.
6070         (ASM_OUTPUT_DEF_FROM_DECLS): Don't emit .weak here.  Don't output
6071         .lglobl unless TARGET_XCOFF.  Formatting fixes.
6072         * config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Don't emit
6073         .weak for code sym.
6074         (HANDLE_PRAGMA_WEAK): Remove.
6075         (ASM_WEAKEN_LABEL): Remove.
6076         * config/rs6000/aix.h (HANDLE_SYSV_PRAGMA): Define.
6077
6078 2002-03-01  Jason Merrill  <jason@redhat.com>
6079
6080         * tree.h (TARGET_EXPR_SLOT, TARGET_EXPR_INITIAL): New macros.
6081         (TARGET_EXPR_CLEANUP): New macro.
6082
6083 2002-02-28  Steve Ellcey  <sje@cup.hp.com>
6084
6085         * doc/rtl.texi (SUBREG_PROMOTED_UNSIGNED_P): Change definition
6086         to take ptr_extend into account as third type of extension.
6087         (SUBREG_PROMOTED_UNSIGNED_SET): Definition of new macro to set bit
6088         fields used by SUBREG_PROMOTED_UNSIGNED_P.
6089         * rtl.h (SUBREG_PROMOTED_UNSIGNED_SET): New macro.
6090         (SUBREG_PROMOTED_UNSIGNED_P): Change to return -1 as well as 0 or 1.
6091         * calls.c (precompute_arguments): Use new macro.
6092         (expand_call): Ditto.
6093         * combine.c (nonzero_bits): Ditto.
6094         (record_promoted_value): Ditto.
6095         * expr.c (store_expr): Ditto.
6096         (expand_expr): Ditto.
6097         * function.c (assign_parms): Ditto.
6098
6099 2002-02-28  Alexandre Oliva  <aoliva@redhat.com>
6100
6101         * gcc.c (init_gcc_specs): Get -static and -static-libgcc to
6102         override -shared and -shared-libgcc.
6103
6104 2002-02-28  David O'Brien  <obrien@FreeBSD.org>
6105
6106         * config.gcc (sparc64-*-freebsd): Explicitly accept a cpu specification
6107         of "ultrasparc".
6108         * config/sparc/freebsd.h: Do not use MASK_FASTER_STRUCTS.  It appears
6109         to be broken.
6110
6111 2002-02-28  Richard Henderson  <rth@redhat.com>
6112
6113         * config/ia64/ia64.c (ia64_adjust_cost): All non-MM consumers have
6114         4 cycle latency from MM producers.
6115         (ia64_internal_sched_reorder): Likewise with pipeline flush.
6116
6117 2002-02-28  Jakub Jelinek  <jakub@redhat.com>
6118
6119         * mklibgcc.in: Don't use GNU make extension.
6120
6121 2002-02-28  Neil Booth  <neil@daikokuya.demon.co.uk>
6122
6123         * c-parse.in (STATIC): New terminal.
6124         (scspec): New non-terminal.  Update productions accordingly.
6125         (program): Remove bogus ifc / end ifc.
6126         (array_declarator): Simplify production using STATIC.
6127
6128 2002-02-28  Jim Meyering  <meyering@lucent.com>
6129
6130         * cpplex.c (cpp_parse_escape): Restore mistakenly-removed code:
6131         \a still means TARGET_BELL.
6132
6133 2002-02-28  Richard Henderson  <rth@redhat.com>
6134
6135         * haifa-sched.c (sched_emit_insn): New.
6136         (schedule_block): Use last_scheduled_insn to track last insn.
6137         * sched-int.h (sched_emit_insn): Prototype.
6138         * config/ia64/ia64.c (last_issued): Remove.
6139         (ia64_variable_issue): Don't set it.
6140         (nop_cycles_until): Use sched_emit_insn.
6141
6142 2002-02-28  Andrew MacLeod  <amacleod@redhat.com>
6143
6144         * config/sparc/sparc.c (sparc64_initialize_trampoline): Generate sign
6145         extended constants.
6146
6147 2002-02-28  Kazu Hirata  <kazu@hxi.com>
6148
6149         * config/h8300/h8300.c: Fix formatting.
6150         * config/h8300/h8300.h: Likewise.
6151
6152 2002-02-28  Marek Michalkiewicz  <marekm@amelek.gda.pl>
6153
6154         * config/avr/avr.c (avr_hard_regno_mode_ok): Do not allow r29
6155         which may overwrite the high byte of the frame pointer.
6156
6157 2002-02-28  Bo Thorsen  <bo@suse.de>
6158
6159         * config/i386/linux64.h (LINK_SPEC): Fix 32/64 bit compilation.
6160         (STARTFILE_SPEC): Add 64 bit files.
6161         (ENDFILE_SPEC): Likewise.
6162
6163 2002-02-28  Jason Merrill  <jason@redhat.com>
6164
6165         * c-decl.c (finish_function): Only warn about missing return
6166         statement with -Wreturn-type.
6167
6168 Don Feb 28 11:24:30 CET 2002  Jan Hubicka  <jh@suse.cz>
6169
6170         * cfgrtl.c (purge_dead_edges): Fix handling of EH edges.
6171
6172         * i386.h (CONDITIONAL_REGISTER_USAGE): Do not write to
6173         PIC_OFFSET_TABLE_REGNUM when it is INVALID_REGNUM
6174
6175 Don Feb 28 11:07:36 CET 2002  Jan Hubicka  <jh@suse.cz>
6176
6177         * basic-block.h (BB_REACHABLE): Renumber.
6178         (BB_DIRTY, BB_NEW): New flags.
6179         (clear_bb_flags): Declare.
6180         (update_life_info_in_dirty_blocks): Declare.
6181         * cfg.c (clear_bb_flags): New function.
6182         * cfgrtl.c (create_basic_block_structure): Set flags to BB_NEW.
6183         * emit-rtl.c (add_insn_after, add_insn_before, remove_insn,
6184         reorder_insns, emit_insn_after): Mark block as dirty.
6185         * flow.c (update_life_info): Fix clearing of PROP_LOG_LINKS.
6186         (update_life_info_in_dirty_blocks): New function.
6187         * recog.c (apply_change_group): Dirtify block.
6188
6189         * cse.c (cse_insn): Reorder emitting of jump insn to keep
6190         cfg consistent.
6191         * gcse.c (delete_null_pointer_checks): Likewise.
6192
6193         * toplev.c (dump_file_index): Move cse2 after bp,
6194         add DFI_null
6195         (dump_file_info): Similary.
6196         (rest_of_compilation): Avoid most of CFG rebuilds;
6197         do first if converision after null pointer checks, do cse2
6198         after branch prediction; avoid full liveness rebuild after
6199         initializing subregs.
6200         * invoke.texi (-d options): Document -du, renumber.
6201
6202         * cfgcleanup.c (bb_flags): Remove BB_UPDATE_LIFE.
6203         (notice_new_block): Do not set BB_UPDATE_LIFE.
6204         (try_forward_edges, merge_blocks_move_predecessor_nojumps,
6205          merge_blocks_move_successor_nojumps, merge_blocks,
6206          try_crossjump_to_edge): Likewise.
6207         (try_optimize_cfg): Likewise; use update_life_info_in_dirty_blocks.
6208         * cfgrtl.c (merge_blocks_nomove): Copy b's flags to a.
6209         * ifcvt.c (SET_UPDATE_LIFE, UPDATE_LIFE): Kill.
6210         (merge_of_block): Do not use life_data_ok.
6211         (find_if_case_1): Do not use SET_UPDATE_LIFE.
6212         (if_convert): Use BB_DIRTY mechanizm to update life.
6213         * lcm.c (optimize_mode_switching): Update
6214         update_life_info_in_dirty_blocks
6215
6216 2002-02-28  Neil Booth  <neil@daikokuya.demon.co.uk>
6217
6218         * Makefile.in (integrate.o): Update.
6219         * c-decl.c (copy_lang_decl): Rename.
6220         * c-lang.c (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Redefine.
6221         * integrate.c: Include langhooks.h.
6222         (copy_decl_for_inlining): Update to use langhook.
6223         * langhooks-def.h (lhd_do_nothing_t,
6224         LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): New.
6225         (LANG_HOOKS_INITIALIZER): Update.
6226         * langhooks.c (lhd_do_nothing_t): New.
6227         * langhooks.h (struct lang_hooks): Add dup_lang_specific_decl.
6228         * tree.h (copy_lang_decl): Remove.
6229 objc:
6230         * objc-lang.c (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Redefine.
6231
6232 2002-02-27  Andrew MacLeod  <amacleod@redhat.com>
6233
6234         * dwarf2out.c (stack_adjust_offset): Add support for POST_INC,
6235         POST_DEC, and POST_MODIFY.
6236
6237 2002-02-27  Zack Weinberg  <zack@codesourcery.com>
6238
6239         * c-typeck.c (digest_init): Remove unused parameter; all
6240         callers changed.
6241
6242 2002-02-27  Geoffrey Keating  <geoffk@redhat.com>
6243
6244         * expmed.c (expand_shift): Correctly test for low part of a
6245         subreg.
6246
6247 2002-02-27  Ulrich Weigand  <uweigand@de.ibm.com>
6248
6249         * config/s390/s390.c (s390_chunkify_pool): Do not confuse
6250         insn UIDs with insn addresses.
6251
6252 2002-02-27  Zack Weinberg  <zack@codesourcery.com>
6253
6254         * c-common.c, c-common.h, c-decl.c, c-lex.c, c-parse.in,
6255         c-tree.h, c-typeck.c, cppexp.c, cpplex.c, cpplib.c, cpplib.h,
6256         cppmacro.c, objc/lang-specs.h, objc/objc-act.c,
6257         builtin-types.def, builtins.def, dwarf2out.c, dwarfout.c,
6258         gcc.c, toplev.c: Delete code implementing -traditional mode.
6259
6260         * doc/bugreport.texi, doc/cpp.texi, doc/extend.texi,
6261         doc/invoke.texi, doc/standards.texi, doc/trouble.texi:
6262         Document removal of -traditional mode for compilation, and
6263         remove documentation only relevant to that mode.
6264
6265         * config/nextstep.h, config/ptx4.h, config/svr4.h,
6266         config/convex/convex.h, config/d30v/d30v.h,
6267         config/i386/dgux.h, config/i386/osf1elf.h,
6268         config/i386/osfelf.h, config/i386/osfrose.h,
6269         config/i386/sco5.h, config/i386/sol2.h, config/m68k/a-ux.h,
6270         config/m68k/hp310.h, config/m88k/dgux.h,
6271         config/m88k/dguxbcs.h, config/m88k/luna.h, config/m88k/m88k.c,
6272         config/m88k/m88k.h, config/m88k/openbsd.h,
6273         config/mips/abi64.h, config/mips/osfrose.h,
6274         config/mips/svr4-5.h, config/mips/svr4-t.h,
6275         config/sparc/sol2-sld-64.h, config/sparc/sol2.h,
6276         config/stormy16/stormy16.h: Remove all references to
6277         -traditional from target specs.  Delete all mention of the
6278         no-longer-necessary TRADITIONAL_RETURN_FLOAT macro.  Also
6279         delete a couple of commented-out definitions of
6280         DOLLARS_IN_IDENTIFIERS, with (incorrect) commentary referring
6281         to -traditional.
6282
6283         * system.h: Poison TRADITIONAL_RETURN_FLOAT.
6284         * doc/tm.texi: Remove mention of TRADITIONAL_RETURN_FLOAT macro.
6285
6286 2002-02-27  Zack Weinberg  <zack@codesourcery.com>
6287
6288         * mklibgcc.in: Don't use \n in a line subject to
6289         interpretation by echo.
6290
6291 2002-02-27  Graham Stott  <grahams@redhat.com>
6292
6293         * config/rs6000/rs6000.h (ASM_OUTPUT_DEF_FROM_DELC):
6294         Constify NAME.
6295
6296         * loop.c (prescan_loop): Handle PARALLEL.
6297
6298         * unroll.c (loop_iterations): Return 0 if the add_val for
6299         a BIV is REG.
6300
6301         * final.c (output_operand_lossage): Constify PFX_STR.
6302
6303         * df.c (df_insn_refs_record): Use XEXP (x, 0) for USE.
6304
6305 Wed Feb 27 10:45:19 CET 2002  Jan Hubicka  <jh@suse.cz>
6306
6307         * linux64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Remove.
6308         * x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Allways define.
6309
6310 Wed Feb 27 10:39:20 CET 2002  Jan Hubicka  <jh@suse.cz>
6311
6312         * linux64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define.
6313
6314 2002-02-27  Neil Booth  <neil@daikokuya.demon.co.uk>
6315
6316         * cpplex.c (_cpp_lex_token): Handle directives in macro
6317         arguments.
6318         * cpplib.c (_cpp_handle_directive): Save and restore state
6319         if parsing macro args when entering a directive.
6320         * cppmacro.c (collect_args): No need to handle directives
6321         in macro arguments.
6322         (enter_macro_context, replace_args): Use the original macro
6323         definition in case it was redefined whilst collecting arguments.
6324 doc:
6325         * cpp.texi: Update.
6326
6327 2002-02-26  David Edelsohn  <edelsohn@gnu.org>
6328
6329         * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Delete.
6330         * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Delete.
6331         * config/rs6000/rs6000.c (rs6000_return_addr): Use efficient
6332         method on AIX.
6333         * config/rs6000/rs6000.md (movsi_low): Use gpc_reg_operand.
6334         (movsi_low_st, movdf_low, movdf_low_st, movsf_low, movsf_low_st): Same.
6335         (load_toc_v4_PIC_2): Same.
6336
6337 2002-02-26  Alan Modra  <amodra@bigpond.net.au>
6338
6339         * config/rs6000/rs6000.md (load_toc_aix_di): Handle TARGET_RELOCATABLE.
6340
6341 2002-02-26  Richard Henderson  <rth@redhat.com>
6342
6343         * config/alpha/alpha.md (ashldi_se): Re-enable.
6344
6345 2002-02-26  Richard Henderson  <rth@redhat.com>
6346
6347         * config/alpha/alpha.c (alpha_encode_section_info): Examine
6348         MODULE_LOCAL_P; improve commentary.
6349
6350 2002-02-26  Zack Weinberg  <zack@codesourcery.com>
6351
6352         * doc/cpp.texi: Clarify documentation of relationship between
6353         #line and #include.
6354
6355 2002-02-26  Kazu Hirata  <kazu@hxi.com>
6356
6357         * config/h8300/h8300-protos.h: Update the prototype for
6358         compute_logical_op_length.  Add the prototype for
6359         compute_logical_op_cc.
6360         * config/h8300/h8300.c (compute_logical_op_length): Figure out
6361         code from operands.
6362         (compute_logical_op_cc): New.
6363         * config/h8300/h8300.md: Combine all the logical op patterns
6364         in HImode and SImode.  Use compute_logical_op_cc.
6365
6366 2002-02-26  Kelley Cook  <kelleycook@comcast.net>
6367
6368         * config/i386/i386.c (print_operand): Don't append ATT-style
6369         length suffixs to x87 opcodes when in Intel mode.
6370
6371 2002-02-26  Ryan T. Sammartino <ryants@shaw.ca>
6372
6373         * emit-rtl.c (gen_const_vector_0): Remove TYPE argument.
6374         (init_emit_once): Update calls.
6375         * fixinc/gnu-regex.c (_GNU_SOURCE): Remove.
6376         (init_syntax_once): Prototype.
6377
6378 2002-02-26  John David Anglin  <dave@hiauly1.hia.nrc.ca>
6379
6380         * pa-linux.h (LIB_SPEC): Update definition.
6381         * pa32-linux.h (LINK_COMMAND_SPEC): Delete.
6382
6383 2002-02-26  Richard Henderson  <rth@redhat.com>
6384
6385         * config/ia64/ia64.c (nop_cycles_until): Do init_insn_group_barriers
6386         if we emitted a stop bit.
6387
6388 2002-02-26  Jakub Jelinek  <jakub@redhat.com>
6389
6390         * configure.in (libgcc_visibility): Substitute.
6391         * configure: Rebuilt.
6392         * mklibgcc.in: If libgcc_visibility = yes, make libgcc.a global
6393         defined symbols .hidden.
6394
6395 2002-02-26  Jakub Jelinek  <jakub@redhat.com>
6396
6397         * attribs.c (c_common_attribute_table): Add visibility.
6398         (handle_visibility_attribute): New function.
6399         * varasm.c (assemble_visibility): New function.
6400         * output.h (assemble_visibility): Add prototype.
6401         * tree.h (MODULE_LOCAL_P): Define.
6402         * crtstuff.c (__dso_handle): Use visibility attribute.
6403         * config/i386/i386.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG
6404         for MODULE_LOCAL_P symbols too.
6405         * config/ia64/ia64.c (ia64_encode_section_info): Handle
6406         MODULE_LOCAL_P symbols the same way as local symbols.
6407         Add SDATA_NAME_FLAG_CHAR even if decl was explicitely forced
6408         into .sdata/.sbss by the user.
6409         * doc/extend.texi (Function Attributes): Document visibility
6410         attribute.
6411
6412 2002-02-26  Jakub Jelinek  <jakub@redhat.com>
6413
6414         PR debug/5770
6415         * dwarf2out.c (rtl_for_decl_location): Return CONST_STRING for
6416         STRING_CST initializer spanning the whole variable without
6417         embedded zeros.
6418         If expand_expr returned MEM, don't use it.
6419
6420 2002-02-26  Alexandre Oliva  <aoliva@redhat.com>
6421
6422         * dwarf2out.c (gen_inlined_subroutine_die): If block is abstract,
6423         generate a die for the lexical block.
6424
6425 2002-02-26  Kazu Hirata  <kazu@hxi.com>
6426
6427         * config/h8300/h8300-protos.h: Add a prototype for
6428         compute_logical_op_length.
6429         * config/h8300/h8300.c (compute_logical_op_length): New.
6430         * config/h8300/h8300.md (anonymous logical patterns): Use
6431         compute_logical_op_length for length.
6432
6433 2002-02-26  Aldy Hernandez  <aldyh@redhat.com>
6434
6435         * dwarf2out.c (modified_type_die): Do not call type_main_variant
6436         for vectors.
6437         (gen_type_die): Same.
6438
6439         * attribs.c (handle_vector_size_attribute): Set debug information.
6440
6441 2002-02-26  Daniel Egger  <degger@fhm.edu>
6442
6443         * config/rs6000/rs6000.md: Swap define_insn attributes to
6444         fix incorrect generation of merge high instructions instead
6445         of merge low.
6446
6447 2002-02-26  Aldy Hernandez  <aldyh@redhat.com>
6448
6449         * c-typeck.c (really_start_incremental_init): Use
6450         bitsize_zero_node for vectors.
6451
6452 2002-02-26  Aldy Hernandez  <aldyh@redhat.com>
6453
6454         * config/rs6000/rs6000.md (get_vrsave_internal): Fix typo.
6455         ("*set_vrsave_internal"): Same.
6456
6457 2002-02-25  Richard Henderson  <rth@redhat.com>
6458
6459         * expr.c (expand_expr) [MULT_EXPR]: Do not apply distributive law
6460         in EXPAND_SUM case.  Use host_integerp/tree_low_cst.
6461
6462 2002-02-25  Jakub Jelinek  <jakub@redhat.com>
6463
6464         PR target/5755
6465         * config/i386/i386.c (ix86_return_pops_args): Only pop
6466         fake structure return argument if it was passed on the stack.
6467
6468 2002-02-25  Jason Merrill  <jason@redhat.com>
6469
6470         * attribs.c (decl_attributes): Also re-layout PARM_DECL and
6471         RESULT_DECL.
6472
6473 2002-02-25  Alexandre Oliva  <aoliva@redhat.com>
6474
6475         * gcc.c (init_gcc_specs): Get -shared-libgcc along with -shared to
6476         link with shared_name only.
6477         * doc/invoke.texi (Link Options): Document new behavior.
6478
6479 2002-02-25  Aldy Hernandez  <aldyh@redhat.com>
6480
6481         * c-typeck.c (push_init_level): Handle vectors.
6482
6483 2002-02-25  Alexandre Oliva  <aoliva@redhat.com>
6484
6485         * config/sparc/sparc.c (const64_high_operand): Zero-extend
6486         operands of SPARC_SETHI_P.
6487         (input_operand): Likewise.
6488         (sparc_emit_set_const32): Likewise.
6489         * config/sparc/sparc.h (SPARC_SETHI_P): Disregard TARGET_ARCH64.
6490         (SPARC_SETHI32_P): Zero-extend operand from 32 bits.
6491         (CONST_OK_FOR_LETTER_P): Use SETHI32 for `K'.  Add `N' as SETHI.
6492         * config/sparc/sparc.md (movdi_insn_sp64_novis): Use `N'.
6493         (movdi_insn_sp64_vis): Likewise.
6494         (movdi split, movdf split): Use SETHI32.
6495         * doc/md.texi: Document SPARC constraints L, M and N.
6496
6497 2002-02-25  Aldy Hernandez  <aldyh@redhat.com>
6498
6499         * config/rs6000/rs6000.md ("get_vrsave_internal"): New.
6500         ("*set_vrsave_internal"): use mfspr for Darwin.
6501
6502         * config/rs6000/rs6000.c (rs6000_emit_prologue): Call
6503         gen_get_vrsave_internal.
6504
6505 Sun Feb 24 16:38:56 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6506
6507         * optabs.c (widen_operand): Properly handle CONST_INT for NO_EXTEND.
6508
6509 2002-02-24  Neil Booth  <neil@daikokuya.demon.co.uk>
6510
6511         * cpplex.c (cpp_interpret_charconst): Get signedness or
6512         otherwise of wide character constants correct.
6513         * cppexp.c (lex): Get signedness of wide charconsts correct.
6514
6515 Sun Feb 24 07:41:31 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6516
6517         * optabs.c (widen_operand): Only call convert_modes for
6518         promoted SUBREG if signedness matches.
6519         * config/alpha/alpha.md (*addsi_se2, *subsi_se2): New patterns.
6520
6521 2002-02-23  Neil Booth  <neil@daikokuya.demon.co.uk>
6522
6523         * cpplib.c (glue_header_name): Use local buffer to build up
6524         header name.
6525
6526 2002-02-23  Neil Booth  <neil@daikokuya.demon.co.uk>
6527
6528         * doc/cpp.texi, doc/invoke.texi: Update documentation for -MM.
6529
6530 2002-02-23  Kazu Hirata  <kazu@hxi.com>
6531
6532         * config/h8300/h8300.c (output_simode_bld): Handle H8/300 and
6533         H8/300[HS] separately.
6534         * config/h8300/h8300.md: Remove the early clobber constraint
6535         from bit field patterns.
6536
6537 2002-02-23  Kazu Hirata  <kazu@hxi.com>
6538
6539         * config/h8300/h8300.md (mulqihi3): Tighten predicates to
6540         register_operand.
6541         (mulhisi3): Likewise.
6542         (umulqisi3): Likewise.
6543         (umulhisi3): Likewise.
6544
6545 2002-02-23  Neil Booth  <neil@daikokuya.demon.co.uk>
6546
6547         * cppinit.c (output_deps): Correct test for stdout output.
6548         (init_dependency_output): Cure warning.
6549
6550 Sat Feb 23 08:42:47 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6551
6552         * expr.c (store_expr): When converting expression to promoted
6553         equivalent type, allow using SUBREG_REG of TARGET as the target
6554         of the expansion of EXP.
6555         * loop.c (basic_induction_var, case SUBREG): Always look inside.
6556         * config/alpha/alpha.c (rtx_equiv_function_matters): Delete decl.
6557         (alpha_emit_set_const): Handle SImode when can't make new pseudos.
6558         (alpha_emit_set_const_1, alpha_sa_mask): Use no_new_pseudos.
6559         * config/alpha/alpha.md (addsi3, subsi3): Don't use if optimizing.
6560
6561 2002-02-23  Joseph S. Myers  <jsm28@cam.ac.uk>
6562
6563         * doc/contribute.texi, doc/extend.texi, doc/install.texi,
6564         doc/invoke.texi, doc/md.texi, doc/passes.texi, doc/rtl.texi,
6565         doc/standards.texi, doc/tm.texi: Remove trailing whitespace.
6566
6567 2002-02-23  Jakub Jelinek  <jakub@redhat.com>
6568
6569         PR optimization/5747
6570         * loop.c (scan_loop): Update reg info if move_movables created new
6571         pseudos.
6572
6573 2002-02-23  David Edelsohn  <edelsohn@gnu.org>
6574
6575         * gcc.c (init_gcc_spec): Revert last change.
6576
6577 2002-02-23  David Edelsohn  <edelsohn@gnu.org>
6578
6579         * config/rs6000/rs6000.md (load_toc_aix_{si,di}): Use
6580         gpc_reg_operand constraint.
6581
6582 2002-02-23  Alan Modra  <amodra@bigpond.net.au>
6583
6584         * config/rs6000/rs6000.c (num_insns_constant): Fix formatting.
6585         Simplify comparison of `low'.
6586         (add_operand): Fix formatting.
6587         (non_add_cint_operand): Use CONST_OK_FOR_LETTER_P.
6588         (mask_operand): Disallow mask to wrap in 64-bit mode.
6589         (rs6000_stack_info): Remove redundant test setting push_p.
6590         (output_toc): Fix formatting.
6591         * config/rs6000/rs6000.md (boolsi3, boolcsi3 splitters): Use
6592         cc_reg_not_cr0_operand constraint.
6593         (booldi3, boolcdi3 splitters): Same.
6594
6595 2002-02-23  Aldy Hernandez  <aldyh@redhat.com>
6596
6597         * config/rs6000/altivec.h: Add extra level of parentheses on casts.
6598
6599 2002-02-22  David Edelsohn  <edelsohn@gnu.org>
6600
6601         * gcc.c (init_gcc_spec): Do not link with static libgcc.a if
6602         gcc invoked with -shared-libgcc.
6603
6604 2002-02-22  Jakub Jelinek  <jakub@redhat.com>
6605
6606         PR c++/5748
6607         * stmt.c (expand_anon_union_decl): Set TREE_USED on the anon union
6608         decl if any of elements was TREE_USED.
6609
6610 2002-02-22  Alexandre Oliva  <aoliva@redhat.com>
6611
6612         * config/sparc/sol2.h: Don't include sys/mman.h.
6613         * config/sparc/sparc.c (arith_operand): Use SMALL_INT32.
6614         (arith_4096_operand): Don't throw high bits away.
6615         (const64_operand): Take sign extension of CONST_INTs into account.
6616         (const64_high_operand, sparc_emit_set_const32): Likewise.
6617         (GEN_HIGHINT64): Likewise.
6618         (sparc_emit_set_const64_quick1): Likewise.
6619         (const64_is_2insns): Likewise.
6620         (print_operand): Use trunc_int_for_mode for sign extension.
6621         * config/sparc/sparc.h (SMALL_INT32): Likewise.
6622         * config/sparc/sparc.md (movqi): Sign-extend CONST_DOUBLE
6623         chars.  Assume CONST_INT is already properly sign-extended.
6624         (movdi split): Sign-extend each SImode part.
6625         (andsi3 split): Don't mask high bits off, so that result
6626         remains properly sign-extend.
6627         (iorsi3 split): Likewise.
6628         (xorsi3 split): Likewise.
6629
6630 2002-02-22  Richard Sandiford  <rsandifo@redhat.com>
6631
6632         * fold-const.c (fold): Fix typo in comments.
6633
6634 2002-02-21  Diego Novillo  <dnovillo@redhat.com>
6635
6636         * Makefile.in (langhooks.o): Update dependencies.
6637
6638 2002-02-21  Diego Novillo  <dnovillo@redhat.com>
6639
6640         * langhooks.c: Include flags.h.
6641
6642 2002-02-21  Aldy Hernandez  <aldyh@redhat.com>
6643
6644         * testsuite/gcc.dg/attr-alwaysinline.c: New.
6645
6646         * c-common.c (c_common_post_options): Set inline trees by
6647         default.
6648
6649         * doc/extend.texi (Function Attributes): Document always_inline
6650         attribute.
6651         Update documentation about inlining when not optimizing.
6652
6653         * cp/decl.c (duplicate_decls): Merge always_inline attribute.
6654
6655         * cp/tree.c (cp_cannot_inline_tree_fn): Do not inline at -O0
6656         unless DECL_ALWAYS_INLINE.
6657
6658         * c-objc-common.c (c_cannot_inline_tree_fn): Do not inline at -O0
6659         unless DECL_ALWAYS_INLINE.
6660         (c_disregard_inline_limits): Disregard if always_inline set.
6661
6662         * langhooks.c (lhd_tree_inlining_disregard_inline_limits):
6663         Disregard if always_inline set.
6664         (lhd_tree_inlining_cannot_inline_tree_fn): Do not inline at -O0
6665         unless DECL_ALWAYS_INLINE.
6666
6667         * attribs.c (handle_always_inline_attribute): New.
6668         (c_common_attribute_table): Add always_inline.
6669
6670         * config/rs6000/altivec.h: Add prototypes for builtins
6671         requiring the always_inline attribute.
6672
6673 2002-02-21  Eric Christopher  <echristo@redhat.com>
6674
6675         * expmed.c (store_bit_field): Try to simplify the subreg
6676         before generating a new one when when the mode size of
6677         value is less than maxmode.
6678
6679 2002-02-21  Richard Henderson  <rth@redhat.com>
6680
6681         * emit-rtl.c (offset_address): Use simplify_gen_binary rather
6682         than gen_rtx_PLUS to form the sum.
6683         * explow.c (force_reg): Rearrange to not allocate new pseudo
6684         when force_operand returns a register.
6685         * expr.c (expand_assignment): Allow offset_rtx expansion to
6686         return a sum.  Do not force addresses into registers.
6687         (expand_expr): Likewise.
6688         * simplify-rtx.c (simplify_gen_binary): Use simplify_plus_minus
6689         to canonicalize arithmetic that didn't simpify.
6690         (simplify_plus_minus): New argument force; update
6691         all callers.  Don't split CONST unless we can do something with it,
6692         and wouldn't lose the constness of the operands.
6693
6694         * config/i386/i386.c (legitimize_pic_address): Recognize UNSPECs
6695         that we generated earlier.
6696
6697 2002-02-21  Tom Tromey  <tromey@redhat.com>
6698
6699         * dwarf2out.c (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
6700         (output_line_info): Use constant `1', with a long explanatory
6701         comment.
6702         * system.h (DWARF_LINE_MIN_INSTR_LENGTH): Poison.
6703
6704 Thu Feb 21 22:43:44 2002  J"orn Rennecke <joern.rennecke@superh.com>
6705
6706         * jump.c (redirect_jump): If old label has no UID, don't try to
6707         delete it.
6708
6709 Thu Feb 21 21:17:21 2002  J"orn Rennecke <joern.rennecke@superh.com>
6710
6711         * sh.md (insv): Provide byte offsets for gen_rtx_SUBREG.
6712         If input is constant, do shifts at compile time.
6713
6714 2002-02-21  Joseph S. Myers  <jsm28@cam.ac.uk>
6715
6716         * doc/extend.texi: Fix some more overfull hboxes.
6717
6718 2002-02-21  Jakub Jelinek  <jakub@redhat.com>
6719
6720         PR optimization/4994
6721         * config/i386/i386.md (movsi_1, movsf_1): Support MMX -> MMX
6722         register moves.
6723
6724 2002-02-21  Jakub Jelinek  <jakub@redhat.com>
6725
6726         PR c++/4574
6727         * expr.h (expand_and): Add mode argument.
6728         * expmed.c (expand_and): Add mode argument.
6729         (expand_mult_highpart_adjust, emit_store_flag): Adjust callers.
6730         * expr.c (store_field, expand_expr, do_store_flag): Likewise.
6731         * except.c (expand_builtin_extract_return_addr): Likewise.
6732         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
6733         * config/sparc/sparc.c (sparc_initialize_trampoline): Likewise.
6734         * config/c4x/c4x.h (INITIALIZE_TRAMPOLINE): Likewise.
6735         Use GEN_INT (x) instead of gen_rtx (CONST_INT, VOIDmode, x).
6736         * config/c4x/c4x.md: Use GEN_INT (x) instead of
6737         gen_rtx (CONST_INT, VOIDmode, x).
6738
6739 2002-02-21  Jakub Jelinek  <jakub@redhat.com>
6740
6741         PR c/4697:
6742         * stmt.c (warn_if_unused_value): Move side effects test once more.
6743
6744 2002-02-20  Torbjorn Granlund  <tege@swox.com>
6745
6746         * config/avr/avr.md: Add more patterns for mized-mode add and subtract
6747         (addsi3_zero_extend, subhi3_zero_extend1, subsi3_zero_extend).
6748
6749 Thu Feb 21 16:20:46 2002  Alexandre Oliva  <aoliva@redhat.com>
6750
6751         * rtlanal.c (replace_rtx): Don't make a CONST_INT the operand of
6752         SUBREG or ZERO_EXTEND.
6753
6754 Thu Feb 21 15:35:46 2002  J"orn Rennecke <joern.rennecke@superh.com>
6755
6756         * sh.h (current_function_anonymous_args): Remove.
6757         (SETUP_INCOMING_VARARGS): Don't set it - just check that one
6758         of current_function_varargs and current_function_stdarg is set.
6759         * sh.c (sh_expand_prologue): Check current_function_varargs /
6760         current_function_stdarg / TARGET_SH5 instead of
6761         current_function_anonymous_args.
6762
6763         * sh64.h (TARGET_VERSION): Define.
6764
6765 2002-02-20  David Edelsohn  <edelsohn@gnu.org>
6766
6767         * config/rs6000/rs6000.h (EPILOGUE_USES): Conditionalize
6768         VRSAVE_REGNO on TARGET_ALTIVEC.
6769
6770 2002-02-20  Alan Modra  <amodra@bigpond.net.au>
6771
6772         * config/rs6000/rs6000.c (includes_lshift_p): Mask irrelevant
6773         bits of SImode const_int.
6774         (includes_rshift_p): Likewise.
6775         (print_operand): Call mask_operand and mask64_operand with correct
6776         mode.
6777         (rs6000_output_function_epilogue): Pad traceback table to word.
6778         * config/rs6000/rs6000.h (MASK_64BIT): Correct comment.
6779         (EXTRA_CONSTRAINT, 'S' and 'T'): Call mask_operand and
6780         mask64_operand with correct mode.
6781         (FUNCTION_ARG_REGNO_P): Correct parentheses.
6782
6783 2002-02-20  Jakub Jelinek  <jakub@redhat.com>
6784
6785         PR debug/4461
6786         * varasm.c (get_pool_constant_mark): New.
6787         * rtl.h (get_pool_constant_mark): Add prototype.
6788         * dwarf2out.c (mem_loc_descriptor): A pool constant cannot
6789         be represented if it has not been output.
6790
6791 2002-02-20  Alexandre Oliva  <aoliva@redhat.com>
6792
6793         * combine.c (do_SUBST): Sanity check substitutions of
6794         CONST_INTs, and reject them in SUBREGs and ZERO_EXTENDs.
6795         (subst): Simplify SUBREG or ZERO_EXTEND instead of SUBSTing a
6796         CONST_INT into its operand.
6797         (known_cond): Likewise, for ZERO_EXTEND.
6798         * simplify-rtx.c (simplify_unary_operation): Fix condition to
6799         allow for simplification of wide modes.  Reject CONST_INTs in
6800         ZERO_EXTEND when their actual mode is not given.
6801
6802 2002-02-20  Alexandre Oliva  <aoliva@redhat.com>
6803
6804         * c-decl.c (pushdecl): If no global declaration is found for an
6805         extern declaration in block scope, try a limbo one.
6806
6807 2002-02-20  Jakub Jelinek  <jakub@redhat.com>
6808
6809         PR c++/4401
6810         * c-common.c (pointer_int_sum): Moved from...
6811         * c-typeck.c (pointer_int_sum): ...here.
6812         * c-common.h (pointer_int_sum): Add prototype.
6813
6814 2002-02-20  Jakub Jelinek  <jakub@redhat.com>
6815
6816         PR c++/5713
6817         * c-decl.c (duplicate_decls): Return 0 if issued error about
6818         redeclaration.
6819
6820 2002-02-20  Roger Sayle  <roger@eyesopen.com>
6821             Jakub Jelinek  <jakub@redhat.com>
6822
6823         PR c/4389
6824         * tree.c (host_integerp): Ensure that the constant integer is
6825         representable in a HOST_WIDE_INT or an unsigned HOST_WIDE_INT
6826         when pos is zero or non-zero respectively.  Clarify comment.
6827         * c-format.c (check_format_info_recurse): Fix host_integerp
6828         usage; the pos argument should be zero when assigning to a
6829         signed HOST_WIDE_INT.
6830
6831 2002-02-20  Richard Henderson  <rth@redhat.com>
6832
6833         * config/i386/i386.c (ix86_expand_vector_move): Use the mode
6834         of the operand, rather than assuming TImode.
6835         (ix86_expand_binop_builtin): Cope with commutative patterns
6836         using nonimmediate_operand for both operands.
6837         (ix86_expand_timode_binop_builtin): Likewise.
6838         (ix86_expand_store_builtin): Validate operand 1.
6839         (ix86_expand_unop1_builtin): Likewise.
6840
6841 2002-02-20  Philip Blundell  <philb@gnu.org>
6842
6843         PR 5705
6844         * config/arm/arm.h (HARD_REGNO_RENAME_OK): New macro.
6845
6846 2002-02-20  Richard Henderson  <rth@redhat.com>
6847
6848         PR c/5615
6849         * expr.h (ARGS_SIZE_TREE): Convert size.var to ssizetype.
6850
6851 2002-02-20  Tom Tromey  <tromey@redhat.com>
6852
6853         * config/fr30/fr30.h (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
6854         * config/sh/sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
6855         * config/pj/pj.h (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
6856         * config/cris/cris.h (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
6857         * dwarf2out.c (DWARF_LINE_MIN_INSTR_LENGTH): Define
6858         unconditionally.
6859
6860 Wed Feb 20 00:03:25 EST 2002 Alan Matsuoka <alanm@redhat.com>
6861
6862         * config/rs6000/rs6000.h (LEGITIMATE_OFFSET_ADDRESS_P): Look
6863           for (const_int 0) in X not just INTVAL.
6864
6865 2002-02-20  Joseph S. Myers  <jsm28@cam.ac.uk>
6866
6867         * doc/extend.texi: Avoid or reduce overfull hboxes.
6868
6869 2002-02-20  Diego Novillo  <dnovillo@redhat.com>
6870
6871         * expmed.c (store_bit_field): Do not store bit fields using SUBREG
6872         operations if the field does not start at a mode boundary.
6873
6874 2001-02-20      Joel Sherrill <joel@OARcorp.com>
6875
6876         * config/a29k/rtems.h, config/arm/rtems-elf.h, config/h8300/rtems.h,
6877         config/mips/rtems.h: Use new style of -Asystem= rather than -Asystem().
6878         Also done for -Acpu and -Amachine.
6879
6880 2002-02-20  Neil Booth  <neil@daikokuya.demon.co.uk>
6881
6882         * cppinit.c (init_dependency_output): Take deps output file
6883         from -o if none given with -MF.  Suppress normal output.
6884         * gcc.c (cpp_unique_options): Have -M and -MM imply -E.
6885         * doc/cpp.texi, doc/invoke.texi: Update.
6886
6887 2002-02-19  Zack Weinberg  <zack@codesourcery.com>
6888
6889         * toplev.c (output_quoted_string): Write unprintable
6890         characters with octal escapes.
6891
6892 2002-02-19  David Edelsohn  <edelsohn@gnu.org>
6893
6894         * config/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Set
6895         really_call_used[VRSAVE_REGNO] if not Altivec.
6896
6897 2002-02-19  Alan Modra  <amodra@bigpond.net.au>
6898
6899         * config/rs6000/rs6000.c (u_short_cint_operand): Mask op with
6900         MODE_MASK.
6901         (constant_pool_expr_1): Fix formatting.
6902         (rs6000_legitimize_reload_address): Likewise.
6903
6904 Tue Feb 19 20:13:57 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6905
6906         * config/sparc/sparc.md (nonlocal_goto): Use hard_frame_pointer_rtx
6907         now that we have one.
6908
6909 2002-02-19  Zack Weinberg  <zack@codesourcery.com>
6910
6911         * tree.h (struct tree_common): Remove aux.  Add unused_0 at
6912         end of first block of bitfields (which was only seven bits);
6913         rename dummy to unused_1; remove comment which is no longer true.
6914
6915 2002-02-19  Gaute B Strokkenes <gs234@cam.ac.uk>
6916
6917         * doc/c-tree.texi (Classes, TYPE_BINFO): Fix typo.
6918
6919 2002-02-19  Philip Blundell  <pb@nexus.co.uk>
6920
6921         PR 5399
6922         * config/arm/arm.h (THUMB_LEGITIMATE_CONSTANT_P): Accept anything
6923         if generating PIC.
6924
6925         PR 5054
6926         * config/arm/arm.md (call_insn) [TARGET_THUMB]: Use
6927         arm_is_longcall_p rather than inspecting call-type cookie
6928         directly.
6929         (call_value_insn) [TARGET_THUMB]: Likewise.
6930
6931 2002-02-19  Graham Stott  <grahams@redhat.com>
6932
6933         * config/i386/i386.c (ix86_expand_builtin): Fix typo.
6934
6935 2002-02-19  David Edelsohn  <edelsohn@gnu.org>
6936
6937         * config/rs6000/linux64.h (LINK_OS_LINUX_SPEC): Look in /lib64.
6938         ({STARTFILE,ENDFILE}_LINUX_SPEC): Define.
6939         (FP_SAVE_INLINE): Delete.
6940
6941         * config/rs6000/sysv4.h (ENDFILE_SPEC): Add crtsaveres.o.
6942         * config/rs6000/eabi.asm: Remove ABI save restore routines.
6943         * config/rs6000/t-ppccomm: Build crtsavres.o.
6944         * config/rs6000/crtsavres.asm: New file.
6945
6946 2002-02-19  Philip Blundell  <philb@gnu.org>
6947
6948         * config/arm/arm.c (use_return_insn): Don't reject interrupt
6949         functions.
6950         (arm_compute_save_reg_mask): Save LR for interrupt functions too.
6951         (output_return_instruction): Allow interrupt functions to return with
6952         ldmfd sp!, {... pc}^.  Use LDR to restore any single register.
6953         (arm_expand_prologue): Subtract 4 before stacking LR in an
6954         interrupt function.
6955
6956 2002-02-19  Philip Blundell  <pb@nexus.co.uk>
6957
6958         * config/arm/arm.c (arm_encode_call_attribute): Operate on any
6959         decl, not just FUNCTION_DECL.
6960         (legitimize_pic_address): Handle local SYMBOL_REF like LABEL_REF.
6961         (arm_assemble_integer): Likewise.
6962         * config/arm/arm.h (ARM_ENCODE_CALL_TYPE): Allow any decl to be
6963         marked local.
6964
6965 2002-02-19  matthew green  <mrg@eterna.com.au>
6966
6967         * config.gcc (sparc-*-netbsdelf*): Enable target.
6968         (sparc64-*-netbsd*): New target.
6969         * config/sparc/netbsd-elf.h: New file.
6970         * config/sparc/t-netbsd64: New file.
6971
6972 2002-02-19  Gaute B Strokkenes <gs234@cam.ac.uk>
6973
6974         * doc/rtl.texi (Flags, MEM_SCALAR_P): Fix typo.
6975
6976 2002-02-19  Ryan T. Sammartino <ryants@shaw.ca>
6977
6978         * doc/invoke.texi: explicitly list the style guidelines that
6979         -Weffc++ checks for.
6980
6981 Tue Feb 19 12:37:23 CET 2002  Jan Hubicka  <jh@suse.cz>
6982
6983         * regmove.c (regmove_optimize): Avoid increasing of register pressure.
6984
6985 2002-02-19  Neil Booth  <neil@daikokuya.demon.co.uk>
6986
6987         PR other/5718
6988         * gcc.c (cpp_unique_options): Treat -o as indicating object file
6989         only if not -E.  If -E, pass -o through to the preprocessor.
6990
6991 2002-02-19  Kazu Hirata  <kazu@hxi.com>
6992
6993         * config/h8300/h8300.h (REGNO_REG_CLASS): Replace a literal
6994         register number with an appropriate macro.
6995
6996 2002-02-19  Bryce McKinlay  <bryce@waitaki.otago.ac.nz>
6997
6998         * doc/rtl.texi (Constants): Close @code tag.
6999
7000 2002-02-19  Aldy Hernandez  <aldyh@redhat.com>
7001
7002         * config/i386/i386.md ("mmx_uavgv8qi3"): Use const_vector.
7003         ("mmx_uavgv4hi3"): Same.
7004         ("pmulhrwv4hi3"): Same.
7005
7006         * tree-inline.c (walk_tree): Handle vectors.
7007
7008         * c-common.c (constant_expression_warning): Handle vectors.
7009         (overflow_warning): Same.
7010
7011         * sched-deps.c (sched_analyze_2): Handle vectors.
7012
7013         * rtlanal.c (rtx_unstable_p): Handle vectors.
7014         (rtx_varies_p): Same.
7015         (count_occurrences): Same.
7016         (regs_set_between_p): Same.
7017         (modified_between_p): Same.
7018         (modified_in_p): Same.
7019         (volatile_insn_p): Same.
7020         (volatile_refs_p): Same.
7021         (side_effects_p): Same.
7022         (may_trap_p): Same.
7023         (inequality_comparisons_p): Same.
7024         (replace_regs): Same.
7025         (computed_jump_p_1): Same.
7026
7027         * rtl.c (DEF_MACHMODE): Change all definitions to accept 8th
7028         argument.
7029         (inner_mode_array): New.
7030         (copy_rtx): Handle vectors.
7031         (copy_most_rtx): Same.
7032         (rtx_equal_p): Same.
7033         (get_mode_alignment): Adjust for vectors.
7034
7035         * resource.c (mark_referenced_resources): Handle vectors.
7036         (mark_set_resources): Same.
7037
7038         * reload1.c (eliminate_regs): Handle vectors.
7039         (elimination_effects): Same.
7040         (scan_paradoxical_subregs): Same.
7041
7042         * reload.c (subst_reg_equivs): Handle vectors.
7043
7044         * regrename.c (scan_rtx): Handle vectors.
7045
7046         * regclass.c (reg_scan_mark_refs): Handle vectors.
7047
7048         * recog.c (find_single_use_1): Handle vectors.
7049
7050         * local-alloc.c (equiv_init_varies_p): Handle vectors.
7051         (contains_replace_regs): Same.
7052         (memref_referenced_p): Same.
7053
7054         * integrate.c (copy_rtx_and_substitute): Handle vectors.
7055         (subst_constants): Same.
7056
7057         * genattrtab.c (attr_copy_rtx): Handle vectors.
7058         (encode_units_mask): Same.
7059         (clear_struct_flag): Same.
7060         (count_sub_rtxs): Same.
7061
7062         * gcse.c (want_to_gcse_p): Handle vectors.
7063         (oprs_unchanged_p): Same.
7064         (hash_expr_1): Same.
7065         (oprs_not_set_p): Same.
7066         (expr_killed_p): Same.
7067         (compute_transp): Same.
7068         (store_ops_ok): Same.
7069
7070         * function.c (purge_addressof_1): Do not allow paradoxical subregs
7071         of vectors.
7072         (fixup_var_refs_1): Same.
7073         (instantiate_virtual_regs_1): Same.
7074
7075         * fold-const.c (operand_equal_p): Handle vectors.
7076         (fold): Same.
7077         (rtl_expr_nonnegative_p): Same.
7078
7079         * flow.c (mark_used_regs): Handle vectors.
7080
7081         * df.c (df_uses_record): Handle vectors.
7082
7083         * cselib.c (cselib_subst_to_values): Handle vectors.
7084         (cselib_mem_conflict_p): Same.
7085         (hash_rtx): Same.
7086
7087         * cse.c (canon_reg): Handle vectors.
7088         (fold_rt): Same.
7089         (cse_process_notes): Same.
7090         (count_reg_usage): Same.
7091         (canon_hash): Same.
7092
7093         * alias.c (nonlocal_mentioned_p): Add case for CONST_VECTOR.
7094
7095         * combine.c (mark_used_regs_combine): Add case for CONST_VECTOR.
7096
7097         * emit-rtl.c (init_emit_once): Generate const0_rtx for vectors.
7098         (gen_rtx): Handle CONST_VECTOR.
7099         (gen_const_vector_0): New.
7100         (copy_rtx_if_shared): CONST_VECTORs can be shared.
7101         (reset_used_flags): Same.
7102         (copy_insn_1): Same.
7103         (initializer_constant_valid_p): Handle VECTOR_CST.
7104
7105         * doc/c-tree.texi (Expression trees): Document VECTOR_CST.
7106
7107         * doc/rtl.texi (Constants): Document const_vector.
7108         (CONST0_RTX): Update for vectors.
7109         (RTL sharing): Same.
7110
7111         * print-tree.c (print_node): Add case for VECTOR_CST.
7112
7113         * tree.h (TREE_VECTOR_CST_ELTS): New.
7114         (struct tree_vector): New.
7115         (union tree_node): Add vector node.
7116         (build_vector): Add prototype.
7117
7118         * tree.def (VECTOR_CST): New.
7119
7120         * tree.c (build_vector): New.
7121
7122         * expmed.c (make_tree): Handle CONST_VECTOR.
7123
7124         * rtl.h (CONSTANT_P): CONST_VECTORs are constants too.
7125         (CONST_VECTOR_ELT): New.
7126         (CONST_VECTOR_NUNITS): New.
7127
7128         * machmode.h (GET_MODE_INNER): New.
7129         (DEF_MACHMODE): Accept 8th arg.
7130
7131         * machmode.def: Add 8th argument for vector inner mode.
7132         Add inner vector modes for vectors.
7133
7134         * rtl.def (VEC_CONST): Remove.
7135         (CONST_VECTOR): New.
7136
7137         * expr.c (clear_storage): Allow vectors.
7138         (is_zeros_p): Handle VECTOR_CST.
7139
7140         * varasm.c (output_constant_pool): Handle vectors.
7141         (rtx_const): Add veclo and vechi fields.
7142         (kind): Add RTX_VECTOR.
7143         (decode_rtx_const): Add case for vector.
7144
7145         * config/rs6000/rs6000-protos.h: Add zero_constant.
7146
7147         * config/rs6000/rs6000.c (rs6000_emit_move): Handle vector
7148         constants.  Force easy vector constants into memory.
7149         (easy_vector_constant): New.
7150         (emit_easy_vector_constant): New.
7151         (rs6000_legitimize_reload_address): Do not generate bad reloads on
7152         darwin.
7153
7154         * config/rs6000/rs6000.md ("altivec_lvx"): Reflect what
7155         instruction does.
7156         ("altivec_lvxl"): Same.
7157         (altivec_lvebx): Same.
7158         (altivec_lvehx): Same.
7159         (altivec_lvewx): Same.
7160         ("*movv4si_const0"): New.
7161         ("*movv4sf_const0"): New.
7162         ("*movv8hi_const0"): New.
7163         ("*movv16qi_const0"): New.
7164
7165 2002-02-18  Kazu Hirata  <kazu@hxi.com>
7166
7167         * config/h8300/h8300.c (notice_update_cc): Use
7168         cc_status.value2.
7169
7170 2002-02-18  Kazu Hirata  <kazu@hxi.com>
7171
7172         * config/h8300/h8300.md (divmod patterns): Change the
7173         constraints for operands[1] to register_operand.
7174
7175 2002-02-18  Kazu Hirata  <kazu@hxi.com>
7176
7177         * config/h8300/h8300-protos.h: Remove the prototype for
7178         p_operand.
7179         * config/h8300/h8300.c (p_operand): Remove.
7180         * config/h8300/h8300.md: Replace p_operand with
7181         const_int_operand.
7182
7183 2002-02-18 Philip Blundell <pb@nexus.co.uk>
7184
7185         * config/arm/arm.c (arm_compute_save_reg_mask): Fix typo in
7186         comment.
7187         (output_return_instruction): Allow use of LDR to unstack
7188         return addresss even for interrupt handlers or when
7189         interworking.  If compiling for ARMv5, use interworking-safe
7190         return instructions by default.  Remove duplicated code and
7191         lengthy "strcat" sequences.
7192
7193 2002-02-18  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
7194
7195         * config/rs6000/sysv4.h (STARTFILE_SPEC): Use crtbeginT.o for -static.
7196         (LINK_EH_SPEC): Define.
7197         * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbeginT.o.
7198
7199 2002-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
7200
7201         * config/s390/s390.c (s390_emit_prologue): Do not set the
7202         frame_related flag for call-clobbered registers.
7203
7204 Mon Feb 18 15:07:35 CET 2002  Jan Hubicka  <jh@suse.cz>
7205
7206         * i386.c (classify_argument): Properly classify SSE/MMX modes and VOIDmode.
7207         (construct_container): Fix handling of SSE operands.
7208         (ix86_expand_builtin): Fix handling of 64bit pointers.
7209         (mmx_maskmovq_rex): New pattern.
7210
7211 Mon Feb 18 11:55:55 CET 2002  Jan Hubicka  <jh@suse.cz>
7212
7213         * regrename.c (kill_set_value): Handle subregs properly.
7214
7215 2002-02-18  David Billinghurst <David.Billinghurst@riotinto.com>
7216
7217         * objc/objc-act.c (handle_impent): Remove leading '*'
7218         from objc_class_name.
7219
7220 2002-02-17  Richard Henderson  <rth@redhat.com>
7221
7222         * config/alpha/alpha.c (some_small_symbolic_operand,
7223         some_small_symbolic_operand_1, split_small_symbolic_operand,
7224         split_small_symbolic_operand_1): Rename from *symbolic_mem_op*.
7225         Handle small SYMBOL_REFs anywhere, not just inside memories.
7226         * config/alpha/alpha-protos.h: Update.
7227         * config/alpha/alpha.h (PREDICATE_CODES): Update.
7228         * config/alpha/alpha.md (small symbolic operand splitter): Update.
7229
7230 2002-02-17  Roland McGrath  <roland@frob.com>
7231
7232         * config.gcc (powerpc-*-gnu-gnualtivec*,
7233         powerpc-*-gnu*, powerpc64-*-gnu*): New configurations.
7234         * config/rs6000/gnu.h: New file.
7235         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS):
7236         Grok "gnu" in rs6000_abi_name.
7237         (ASM_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC,
7238         CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC, LIB_SPEC, ENDFILE_SPEC):
7239         Grok -mcall-gnu analogous to -mcall-linux et al.
7240         (LIB_GNU_SPEC, STARTFILE_GNU_SPEC, ENDFILE_GNU_SPEC,
7241         LINK_START_GNU_SPEC, LINK_OS_GNU_SPEC, CPP_OS_GNU_SPEC): New macros.
7242         (SUBTARGET_EXTRA_SPECS): Add *_os_gnu specs using them.
7243
7244 2002-02-17  Jakub Jelinek  <jakub@redhat.com>
7245
7246         PR c/3444:
7247         * c-typeck.c (build_binary_op) [BIT_XOR_EXPR]: Remove explicit
7248         shortening.
7249
7250 2002-02-17  Philipp Thomas  <pthomas@suse.de>
7251
7252         * config/cris/cris.h: Undefine STARTFILE_SPEC and
7253         ENDFILE_SPEC before (re)defining them.
7254
7255 2002-02-17  Kazu Hirata  <kazu@hxi.com>
7256
7257         * config/h8300/h8300.c: Fix formatting.
7258         * config/h8300/h8300.h: Likewise.
7259
7260 2002-02-17  Philipp Thomas  <pthomas@suse.de>
7261
7262         * doc/tm.texi: Explain why empty strings should not be
7263         marked for translation.
7264
7265 2002-02-17  Philipp Thomas  <pthomas@suse.de>
7266
7267         * final.c (output_operand_lossage): Changed to accept
7268         printf style arguments. Change calls where necessary.
7269         * output.h (output_operand_lossage): Change declaration
7270         accordingly. Update copyright.
7271         * config/arc/arc.c config/fr30/fr30.c config/m32r/m32r.c
7272         config/m88k/m88k.c : Adapt all calls to output_operand_lossage.
7273         Update copyright date where necessary.
7274
7275         * config/i386/i386.c (print_operand): Likewise. Remove use of
7276         sprintf.
7277
7278         * config/cris/cris.c (cris_operand_lossage): Likewise.
7279         Rename parameter so that exgettext recognizes it as
7280         translatable message.
7281         (LOSE_AND_RETURN): Rename parameter to msgid.
7282
7283 2002-02-17  Kazu Hirata  <kazu@hxi.com>
7284
7285         * config/h8300/h8300.h (CONDITIONAL_REGISTER_USAGE): Replace a
7286         hard coded register number with an appropriate macro.
7287         (HARD_REGNO_MODE_OK): Likewise.
7288         (ARG_POINTER_REGNUM): Likewise.
7289         (STATIC_CHAIN_REGNUM): Likewise.
7290         (RETURN_ADDRESS_POINTER_REGNUM): Likewise.
7291         * config/h8300/h8300.md (define_constants): Define more
7292         register numbers.
7293
7294 2002-02-17  Philipp Thomas  <pthomas@suse.de>
7295
7296         * config/i386/i386.h: Don't mark empty strings for translation.
7297
7298 2002-02-16  H.J. Lu <hjl@gnu.org>
7299
7300         * config/mips/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
7301
7302 2002-02-16  Zack Weinberg  <zack@codesourcery.com>
7303
7304         * cppinit.c (merge_include_chains): Check for brack being
7305         NULL before attempting to merge it with qtail.
7306
7307 2002-02-16  Andrew Cagney  <ac131313@redhat.com>
7308
7309         * config/rs6000/netbsd.h (PREFERRED_DEBUGGING_TYPE): Set to
7310         DBX_DEBUG.
7311
7312 2002-02-16  John David Anglin  <dave@hiauly1.hia.nrc.ca>
7313
7314         * pa/t-pa, pa/t-pro, som.h: Revert last patch.
7315
7316 2002-02-16  John David Anglin  <dave@hiauly1.hia.nrc.ca>
7317
7318         * pa/t-pa (LIB2FUNCS_EXTRA): Don't build lib2funcs.asm.
7319         * pa/t-pro (LIB2FUNCS_EXTRA): Likewise.
7320         * som.h (DO_GLOBAL_DTORS_BODY): Delete define.
7321
7322 Sat Feb 16 13:48:50 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7323
7324         * config/alpha/alpha.md (*movsi_nt_vms_nofix): Was *movsi_nt_vms;
7325         now only if !TARGET_FIX.
7326         (*movsi_nt_vms_fix): New pattern.
7327
7328 2002-02-16  Douglas B Rupp  <rupp@gnat.com>
7329
7330         * config/alpha/alpha.c: Implement null frame procedure types on VMS.
7331         (alpha_procedure_type): Replaces alpha_is_stack_procedure.
7332         (alpha_sa_mask, alpha_sa_size): Reflect above change.
7333         (alpha_pv_save_size, alpha_expand_prologue): Likewise.
7334         (alpha_start_function, alpha_expand_epilogue): Likewise.
7335         (unicosmk_gen_dsib): Likewise.
7336
7337 Sat Feb 16 13:39:09 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7338
7339         * expr.c (store_constructor): Handle target REG case for ARRAY_TYPE.
7340
7341 2002-02-16  Ulrich Weigand  <uweigand@de.ibm.com>
7342
7343         * config/s390/s390.c (pool_stop_uid, other_chunk, far_away,
7344         check_and_change_labels, s390_final_chunkify): Delete.
7345         (s390_split_branches, s390_chunkify_pool): New functions.
7346         (s390_function_prologue): Call them.
7347
7348         * config/s390/s390.h (S390_REL_MAX): Delete.
7349         (S390_CHUNK_MAX, S390_CHUNK_OV): Adjust values.
7350
7351         * config/s390/s390.md (cjump, icjump, jump): Fix length
7352         attribute calculation.
7353
7354
7355 2002-02-15  David Edelsohn  <edelsohn@gnu.org>
7356
7357         * config/rs6000/linux64.h (STRIP_NAME_ENCODING): Delete.
7358         * config/rs6000/ppc-asm.h (JUMP_TARGET): Define for powerpc64.
7359
7360 2002-02-15  John David Anglin  <dave@hiauly1.hia.nrc.ca>
7361
7362         * gcc.c (init_gcc_specs): Revert patch from 2002-02-15.
7363         * config/pa/pa-linux.h (LIB_SPEC): Likewise.
7364         * config/pa/pa32-linux.h (LINK_COMMAND_SPEC): Likewise.
7365
7366 2002-02-15  Richard Sandiford  <rsandifo@redhat.com>
7367
7368         * c-decl.c (grokdeclarator): Prevent a segfault on unnamed decls.
7369
7370 2002-02-15  Richard Sandiford  <rsandifo@redhat.com>
7371
7372         * reload.c (find_dummy_reload): Check that an output register
7373         is valid for its mode.
7374
7375 2002-02-14  Alexandre Oliva  <aoliva@redhat.com>
7376
7377         * combine.c (known_cond): After replacing the REG of a SUBREG, try
7378         to simplify it.
7379
7380         * function.c (assign_parms): Demote promoted argument passed by
7381         transparent reference.
7382
7383 2001-02-14      Joel Sherrill <joel@OARcorp.com>
7384
7385         * config/arm/rtems-elf.h, config/h8300/rtems.h: Removed redundant
7386         -Acpu() and -Amachine() to eliminate warnings.
7387
7388 2002-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
7389
7390         * config/s390/linux.h (ASM_OUTPUT_ALIGNED_BSS): New.
7391
7392 2002-02-14  Kazu Hirata  <kazu@hxi.com>
7393
7394         * config/h8300/h8300-protos.h: Update the prototype for
7395         const_costs.
7396         * config/h8300/h8300.c (const_costs): Treat SET as a little
7397         more expensive operation.
7398         * config/h8300/h8300.h (DEFAULT_RTX_COSTS): Update the
7399         reference to const_costs.
7400
7401 2002-02-14  Hans-Peter Nilsson  <hp@axis.com>
7402
7403         * config.gcc (c4x-*-rtems*): Fix typo in tm_file setting.
7404
7405 2002-02-14  Jakub Jelinek  <jakub@redhat.com>
7406
7407         PR c/5503:
7408         * c-decl.c (duplicate_decls): If builtin type has TYPE_ARG_TYPES NULL,
7409         use arguments from newtype.
7410
7411 2002-02-13  Eric Christopher  <echristo@redhat.com>
7412
7413         * config/mips/mips.c (override_options): Add check for march/mipsX
7414         on the same command line. Fix error message in cpu processing.
7415         Remove architecture and ISA checks.
7416
7417 2002-02-14  Aldy Hernandez  <aldyh@redhat.com>
7418
7419         * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Adjust for vectors.
7420
7421         * config/rs6000/sysv4.h (ROUND_TYPE_ALIGN): Add MAX.
7422
7423 2002-02-14  Aldy Hernandez  <aldyh@redhat.com>
7424
7425         * config/rs6000/rs6000.md ("*movv4si_internal"): Add m<-r and r<-r
7426         alternatives.
7427         ("*movv8hi_internal1"): Same.
7428         ("*movv16qi_internal1"): Same.
7429         ("*movv4sf_internal1"): Same.
7430
7431         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
7432         not push_reload for altivec modes.
7433
7434 2002-02-13  Joel Sherrill  <joel@OARcorp.com>
7435
7436         * config.gcc (a29k-*-rtems), config/a29k/rtems.h: General cleanup across
7437         all RTEMS targets including removal of #includes from config/*/rtems*.h
7438         file and adding them to tm_file setting. Added xm_defines=POSIX to
7439         many targets.
7440         * config.gcc (c4x-*-rtems), config/c4x/rtems.h: Ditto.
7441         * config.gcc (h8300-*-rtems), config/h8300/rtems.h: Ditto.
7442         * config.gcc (hppa1.1-*-rtems), config/pa/rtems.h: Ditto.
7443         * config.gcc (i960-*-rtems), config/i960/rtems.h: Ditto.
7444         * config.gcc (m68k-*-rtems*), config/m68k/rtems.h,
7445         config/m68k/rtemself.h: Ditto.
7446         * config.gcc (mips*-*-rtems*), config/mips/rtems.h,
7447         config/mips/rtems64.h: Ditto.
7448         * config.gcc (powerpc-*-rtems*), config/rs6000/rtems.h: Ditto.
7449         * config.gcc (sh-*-rtems*), config/sh/rtems.h, config/sh/rtemself.h:
7450         Ditto.
7451         * config.gcc (sparc-*-rtems*), config/sparc/rtems.h,
7452         config/sparc/rtemself.h: Ditto.
7453         * config.gcc (v850-*-rtems*), config/v850/rtems.h: Ditto.
7454         * config.gcc (arm-rtems), config/arm/rtems-elf.h: Ditto plus moved
7455         arm-rtems stanza closer to other arm-elf targets and made arm-rtems
7456         more like arm-elf.
7457         * config.gcc (i[34567]86-*-rtems*), config/i386/djgpp-rtems.h,
7458         config/i386/rtems.h, config/i386/rtemself.h: Ditto plus i386-rtemself
7459         target made more similar to i386-elf.
7460         * config/i386/t-rtems-i386: Added soft float support and multilibs.
7461         * config/m68k/t-m68kbare: Add 68040 and 68060 as multilib alternatives to
7462         be similar to config/m68k/t-m68kelf.
7463         * gthr-rtems.h: Encapsulate with extern "C" for C++.
7464
7465 Wed Feb 13 23:41:15 CET 2002  Jan Hubicka  <jh@suse.cz>
7466
7467         * regmove.c (kill_value): Handle subregs.
7468
7469 Wed Feb 13 23:34:30 CET 2002  Jan Hubicka  <jh@suse.cz>
7470
7471         * i386.md (mul patterns): Allow memory operand to be first;
7472         add expanders where needed; fix constraints.
7473         (min?f_nonieee, max?f_nonieee, SSE TImode patterns):
7474         Allow memory operand to be the first.
7475
7476         * i386.c (ix86_prepare_fp_compare_args): Fix condition for swapping
7477         operands.
7478
7479 2002-02-13  Jakub Jelinek  <jakub@redhat.com>
7480
7481         PR c/5681:
7482         * expr.c (safe_from_p): Pass VOIDmode to true_dependence instead of
7483         GET_MODE (x).
7484
7485 2002-02-13  Jakub Jelinek  <jakub@redhat.com>
7486
7487         PR optimization/5547:
7488         * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify
7489         all valid IA-32 address modes involving non-scaled %ebx and
7490         GOT/GOTOFF as displacement.
7491
7492 2002-02-13  Ulrich Weigand  <uweigand@de.ibm.com>
7493
7494         * config/s390/s390.c (s390_final_chunkify): Re-run shorten_branches
7495         after emitting ltorg insns.
7496
7497         * config/s390/s390.md (*cmpdf_ccs_0, *cmpdf_ccs, *cmpsf_ccs_0,
7498         *cmpsf_ccs, truncdfsf2_ieee, *adddf3, *addsf3, *subdf3, *subsf3,
7499         *muldf3, *mulsf3, *divdf3, *divsf3, *negdf2, *negsf2, *absdf2,
7500         *abssf2): Fix "op_type" attribute.
7501
7502 2002-02-13  Douglas B Rupp  <rupp@gnat.com>
7503
7504         * mkconfig.sh: Avoid using a subshell redirect.
7505         ($output.T): Change to $(output)T.
7506         (ENABLE_NLS): Remove unneeded undef.
7507
7508         * config/alpha/vms.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Define.
7509         * config/alpha/x-vms (libsubdir): Define.
7510
7511         * config/alpha/vms.h (MD_FALLBACK_FRAME_STATE_FOR): Handle
7512         register frame procedures. Optimize retrieving context.
7513
7514         * config/alpha/t-vms (MULTILIB_OPTIONS): Define.
7515         (MULTILIB_DIRNAME, LIBGCC, INSTALL_LIBGCC): Likewise.
7516         * config/alpha/vms.h (ASM_FILE_START): Write .arch directive.
7517
7518 Wed Feb 13 09:45:08 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7519
7520         * alias.c (find_base_term, case ZERO_EXTEND, case SIGN_EXTEND):
7521         Make same change as for find_base_value.
7522
7523 2002-02-13  Kazu Hirata  <kazu@hxi.com>
7524
7525         * config/h8300/h8300.h (MODES_TIEABLE_P): Accept a combination
7526         of QImode and SImode.
7527
7528 2002-02-13  Kazu Hirata  <kazu@hxi.com>
7529
7530         * config/h8300/h8300.c (h8300_adjust_insn_length): Correct the
7531         length computation of movsi.
7532         * config/h8300/h8300.md (movsi_h8300hs): Correct the length.
7533
7534 2002-02-13  Kazu Hirata  <kazu@hxi.com>
7535
7536         * config/h8300/h8300.md (subqi3): Tighten the predicate for
7537         operands[2] to register_operand.
7538
7539 Wed Feb 13 10:35:56 CET 2002  Jan Hubicka  <jh@suse.cz>
7540
7541         * i386.md (fop_*_comm_*): allow nonimmediate in the first operand.
7542
7543 2002-02-12  Aldy Hernandez  <aldyh@redhat.com>
7544
7545         * config/rs6000/rs6000.md: Use predicate altivec_register_operand
7546         for altivec_lvx* and altivec_stvx*.
7547         ("*movv4si_internal"): Add constraint for loading from GPRs.
7548         ("*movv8hi_internal1"): Same.
7549         ("*movv16qi_internal1"): Same.
7550         ("*movv4sf_internal1"): Same.
7551
7552         * config/rs6000/rs6000.c (altivec_register_operand): New.
7553
7554         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
7555         altivec_register_operand.
7556
7557 2002-02-13  Hans-Peter Nilsson  <hp@bitrange.com>
7558
7559         * config/mmix/mmix.c (mmix_assemble_integer) <case 4>: Don't
7560         handle SYMBOL_REF.
7561
7562 2002-02-13  Stan Shebs  <shebs@apple.com>
7563
7564         * c-typeck.c (digest_init): Handle vectors.
7565         (really_start_incremental_init): Same.
7566         (pop_init_level): Same.
7567         (process_init_element): Same.
7568
7569         * varasm.c (output_constant): Same.
7570
7571         * expr.c (clear_storage): Same.
7572         (store_constructor): Same.
7573
7574 2002-02-12  Eric Christopher  <echristo@redhat.com>
7575
7576         * explow.c (hard_function_value): Add comment explaining
7577         signed/unsigned comparison.
7578
7579 2002-02-12  Jakub Jelinek  <jakub@redhat.com>
7580
7581         * jump.c (never_reached_warning): Add finish argument.
7582         If finish is NULL, stop on CODE_LABEL, otherwise stop before first
7583         real insn after end.
7584         * rtl.h (never_reached_warning): Adjust prototype.
7585         * cse.c (cse_insn): Pass NULL as finish to never_reached_warning.
7586         * cfgrtl.c (flow_delete_block): Pass b->end as finish to
7587         never_reached_warning.
7588
7589 2002-02-12  Graham Stott  <grahams@redhat.com>
7590
7591         * config/hp/pa.h (GO_IF_LEGITIMATE_ADDRESS): Fix typos.
7592
7593 2002-02-12  Kazu Hirata  <kazu@hxi.com>
7594
7595         * config/h8300/h8300.c (shift_alg_hi): Improve the 15-bit
7596         logical shifts on H8/300.
7597         (shift_alg_si): Improve several shifts on H8/300.
7598         (get_shift_alg): Likewise.
7599
7600 2002-02-12  Graham Stott  <grahams@redhat.com>
7601
7602         * config/pa/pa.c (compute_movstrsi_length): Fix typos.
7603
7604 Tue Feb 12 10:12:56 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7605
7606         * alias.c (find_base_value, case ZERO_EXTEND, case SIGN_EXTEND):
7607         Handle #ifdef POINTERS_EXTEND_UNSIGNED.
7608
7609 2002-02-11  Hans-Peter Nilsson  <hp@bitrange.com>
7610
7611         * config/mmix/mmix.c (mmix_assemble_integer) <case 1, 2>: Handle
7612         non-CONST_INT through default_assemble_integer.
7613         <case 4>: Likewise, for non-CONST_INT, non-SYMBOL_REF.
7614         <case 8>: Abort for CONST_DOUBLE.
7615
7616 2002-02-11  John David Anglin  <dave@hiauly1.hia.nrc.ca>
7617
7618         * gcc.c (init_gcc_specs): Add static libgcc to link when "-shared"
7619         is specified.
7620         * config/pa/pa-linux.h (LIB_SPEC): Delete.
7621         * config/pa/pa32-linux.h (LINK_COMMAND_SPEC): Delete.
7622
7623 2002-02-11  Andrew Haley  <aph@cambridge.redhat.com>
7624
7625         * config/stormy16/stormy16.md (zero_extendqihi2): New.
7626
7627 2002-02-11  Alexandre Oliva  <aoliva@redhat.com>
7628
7629         * regrename.c (regrename_optimize): Don't accept a
7630         part-clobbered register if the replaced register is not part
7631         clobbered.
7632
7633         * calls.c (store_one_arg): In the non-BLKmode non-partial case,
7634         take padding into account when computing the argument value.
7635
7636         * config/sh/sh.h (FUNCTION_ARG_REGNO_P): Fix parenthesizing error.
7637
7638         * combine.c (try_combine): Apply substitutions in
7639         CALL_INSN_FUNCTION_USAGE too.
7640
7641 2002-02-11  Aldy Hernandez  <aldyh@redhat.com>
7642
7643         * config/rs6000/rs6000.c (altivec_init_builtins): Handle
7644         __builtin_altivec_abs*.
7645         (bdesc_abs): New.
7646
7647         * config/rs6000/rs6000.h (rs6000_builtins): Add
7648         ALTIVEC_BUILTIN_ABS*.
7649
7650         * config/rs6000/altivec.h: Use const char for builtins expecting
7651         literals.
7652         (vec_abs): New versions for C and C++.
7653         (vec_abss): Same.
7654
7655 2002-02-10  Kazu Hirata  <kazu@hxi.com>
7656
7657         * config/h8300/h8300.h (INITIALIZE_TRAMPOLINE): Simplify by
7658         using Pmode.
7659
7660 2002-02-10  Kazu Hirata  <kazu@hxi.com>
7661
7662         * config/h8300/h8300.h (STACK_POINTER_REGNUM): Use the
7663         constant definition from h8300.md.
7664         (FRAME_POINTER_REGNUM): Likewise.
7665         * config/h8300/h8300.md (define_constants): Add FP_REG.
7666
7667 2002-02-10  Kazu Hirata  <kazu@hxi.com>
7668
7669         * config/h8300/h8300.c (print_operand): Remove redundant code.
7670
7671 2002-02-10  Kazu Hirata  <kazu@hxi.com>
7672
7673         * config/h8300/h8300-protos.h: Remove the prototype for byte_reg.
7674         * config/h8300/h8300.c (byte_reg): Make it static.
7675
7676 2002-02-10  Richard Henderson  <rth@redhat.com>
7677
7678         PR c/5623
7679         * c-typeck.c (incomplete_type_error): Handle flexible array members.
7680
7681 2002-02-10  Richard Henderson  <rth@redhat.com>
7682
7683         PR c++/5624
7684         * tree.c (append_random_chars): Don't abort if main_input_filename
7685         does not exist.
7686
7687 2002-02-10  Hans-Peter Nilsson  <hp@bitrange.com>
7688
7689         * config/mmix/t-mmix (MULTILIB_EXTRA_OPTS): Disable.
7690
7691 2002-02-10  Kazu Hirata  <kazu@hxi.com>
7692
7693         * config/h8300/h8300.md (pushhi1_h8300): Correct the mode used.
7694         (pushhi1): Likewise.
7695
7696 2002-02-10  John David Anglin  <dave@hiauly1.hia.nrc.ca>
7697
7698         * pa.c (reg_before_reload_operand): Don't accept a SUBREG operand.
7699         * pa.h (PREDICATE_CODES): Adjust codes for reg_before_reload_operand.
7700
7701 2002-02-09  David O'Brien  <obrien@FreeBSD.org>
7702
7703         * config/sparc/freebsd.h(TARGET_DEFAULT): Add MASK_EPILOGUE setting and
7704         remove MASK_VIS.
7705         (ASM_CPU_DEFAULT_SPEC): Remove.  Default setting is fine.
7706
7707 2002-02-09  Kazu Hirata  <kazu@hxi.com>
7708
7709         * config/h8300/h8300.c (output_logical_op): Use sub.w to clear
7710         a half of an SImode register on H8/300.
7711
7712 Sat Feb  9 18:28:02 CET 2002  Jan Hubicka  <jh@suse.cz>
7713
7714         * i386.md (movdi_2): Add missing '!'.
7715
7716 2002-02-09  Kazu Hirata  <kazu@hxi.com>
7717
7718         * config/h8300/h8300.h: Fix formatting.  Remove commented-out
7719         definitions.
7720
7721 2002-02-09  Kazu Hirata  <kazu@hxi.com>
7722
7723         * config/h8300/h8300.md (length): Correct the distance valid
7724         for the short branch.
7725
7726 2002-02-09  Kazu Hirata  <kazu@hxi.com>
7727
7728         * config/h8300/h8300.md (iorhi3): Tighten the predicates.
7729
7730 2002-02-09  Alexandre Oliva  <aoliva@redhat.com>
7731
7732         * config/sh/sh.h (REGISTER_NATURAL_MODE): Save part-clobbered
7733         registers in SImode.
7734         (HARD_REGNO_CALL_PART_CLOBBERED) [TARGET_SHMEDIA32]: Set r18 as
7735         part-clobbered.
7736
7737         * config/sh/sh.c (expand_prologue): Fix mis-applied 2001-11-09's
7738         patch.
7739
7740         Contribute sh64-elf.
7741         2002-02-09  Alexandre Oliva  <aoliva@redhat.com>
7742         * config/sh/sh.c (TARGET_CANNOT_MODIFY_JUMPS_P): Define to...
7743         (sh_cannot_modify_jumps_p): New function.
7744         2002-02-05  Alexandre Oliva  <aoliva@redhat.com>
7745         * config/sh/sh.c (TARGET_MS_BITFIELD_LAYOUT_P): Define to...
7746         (sh_ms_bitfield_layout_p): New function.
7747         2002-02-04  Alexandre Oliva  <aoliva@redhat.com>
7748                     Zack Weinberg  <zack@codesourcery.com>
7749         * config/sh/sh.h (TRAMPOLINE_ADJUST_ADDRESS): Use
7750         expand_simple_binop instead of expand_binop.
7751         2002-02-03  Alexandre Oliva  <aoliva@redhat.com>
7752         * config/sh/sh.h (OVERRIDE_OPTIONS) [! TARGET_SH5]: Disable
7753         use of .quad and .uaquad.
7754         * config/sh/sh.c (TARGET_ASM_UNALIGNED_DI_OP,
7755         TARGET_ASM_ALIGNED_DI_OP): Add comment pointing to the above.
7756         2002-01-24  Alexandre Oliva  <aoliva@redhat.com>
7757         * config/sh/sh.md (movdi_const, movdi_const_32bit,
7758         movdi_const_16bit): Make sure all CONSTs have modes.
7759         (sym2PIC): Ditto, but by adjusting all callers.
7760         * config/sh/sh.c (calc_live_regs) [TARGET_SHCOMPACT]: Set pr_live
7761         if the prologue calls the SHmedia argument decoder or register
7762         saver.
7763         2002-01-24  Alexandre Oliva  <aoliva@redhat.com>
7764         * config/sh/sh.c (TARGET_ASM_UNALIGNED_DI_OP): Define.
7765         (TARGET_ASM_ALIGNED_DI_OP): Likewise.
7766         (sh_expand_epilogue): Don't emit USE of return target register.
7767         (prepare_move_operands): Legitimize DImode PIC addresses.
7768         (sh_media_register_for_return): Skip tr0, used to initialize the
7769         PIC register.
7770         (sh_expand_prologue): Remove explicit USE of return register.
7771         (nonpic_symbol_mentioned_p): PC is non-PIC.  Don't recurse in
7772         CONST_DOUBLEs.  UNSPEC_GOTPLT is PIC.
7773         * config/sh/sh.h (ASM_OUTPUT_DOUBLE_INT): Removed, obsolete.
7774         (OVERRIDE_OPTIONS): Don't disable PIC on SH5.
7775         (EXTRA_CONSTRAINT_S): Use MOVI_SHORI_BASE_OPERAND_P instead of
7776         EXTRA_CONSTRAINT_T.
7777         (GOT_ENTRY_P, GOTPLT_ENTRY_P, GOTOFF_P, PIC_ADDR_P): New.
7778         (MOVI_SHORI_BASE_OPERAND_P): New.
7779         (NON_PIC_REFERENCE_P, PIC_REFERENCE_P): New.
7780         (EXTRA_CONSTRAINT_T): Define in terms of them.
7781         (OUTPUT_ADDR_CONST_EXTRA): Handle UNSPEC_GOTPLT.
7782         * config/sh/sh.md (movsi_media, movsi_media_nofpu,
7783         movdi_media, movdi_media_nofpu): Add SIBCALL_REGS class to
7784         alternatives supporting TARGET_REGS.
7785         (UNSPEC_GOTPLT): New constant.
7786         (movdi split): Move incrementing of LABEL_NUSES...
7787         (movdi_const, movdi_const_32bit): Here.  Use
7788         MOVI_SHORI_BASE_OPERAND_P instead of EXTRA_CONSTRAINT_T.
7789         (movdi_const_16bit): New.
7790         (call, call_value) [flag_pic]: Use GOTPLT.
7791         (call_pop, call_value_pop): New expands.
7792         (call_pop_compact, call_pop_rettramp): New insns.
7793         (call_value_pop_compact, call_value_pop_rettramp): New insns.
7794         (sibcall) [flag_pic]: Use GOT.
7795         (builtint_setjmp_receiver): Remove bogus, unused expand.
7796         (GOTaddr2picreg): Implement for SHcompact and SHmedia.
7797         (*pt, *ptb, ptrel): New insns.
7798         (sym2GOT): Handle DImode GOT.
7799         (sym2GOTPLT, symGOTPLT2reg): New expands.
7800         (sym2PIC): New expand.
7801         (shcompact_return_tramp): Use GOTPLT to return trampoline.
7802         (shcompact_return_tramp_i): Use return register explicitly.
7803         * config/sh/sh.h (OVERRIDE_OPTIONS) [TARGET_SHMEDIA]: Don't
7804         disable flag_reorder_blocks.
7805         2002-01-19  Alexandre Oliva  <aoliva@redhat.com>
7806         * config/sh/sh.md (sibcall_compact): Reorder return, uses and
7807         clobbers, for clarity.
7808         (sibcall_epilogue) [TARGET_SHCOMPACT]: Mark saving and
7809         restoring of r0 in macl as MAYBE_DEAD.
7810         2002-01-18  Alexandre Oliva  <aoliva@redhat.com>
7811         * config/sh/sh.h (LONG_DOUBLE_TYPE_SIZE): Define.
7812         * config/sh/sh.md (movv4sf_i, movv16sf_i): Fix uses of
7813         alter_subreg all over.
7814         (jump) [TARGET_SHMEDIA]: FAIL to create new jumps after
7815         reload, instead of emitting instructions that would require
7816         reloading.
7817         (casesi_load_media): Add missing modes.
7818         2001-11-09  Alexandre Oliva  <aoliva@redhat.com>
7819         * config/sh/sh.c (sh_expand_prologue): Mark the PIC register
7820         as used if the argument decoder is called.
7821         2001-08-28  Alexandre Oliva  <aoliva@redhat.com>
7822         * config/sh/sh.md (udivsi3, divsi3): Load libcall symbol name in
7823         Pmode, then extend it to DImode if necessary.
7824         2001-08-28  Stephen Clarke  <Stephen.Clarke@st.com>
7825         * config/sh/sh.h (LEGITIMATE_CONSTANT_P): Don't accept DFmode
7826         constants in FPU-enabled SHmedia, let them be loaded from memory.
7827         2001-08-28  Alexandre Oliva  <aoliva@redhat.com>
7828         * config/sh/sh.md (cmpeqdi_media, cmpgtdi_media, cmpgtudi_media):
7829         Adjust whitespace in assembly output templates.
7830         2001-08-28  Stephen Clarke  <Stephen.Clarke@st.com>
7831         * config/sh/sh.md (movdicc_false, movdicc_true, movdicc): Adjust
7832         mode of if_then_else.
7833         2001-08-04  Alexandre Oliva  <aoliva@redhat.com>
7834         * config/sh/sh64.h (CPP_DEFAULT_CPU_SPEC): Override definition in
7835         sh.h.
7836         2001-07-26  Andrew Haley  <aph@cambridge.redhat.com>
7837                     Joern Rennecke <amylaar@redhat.com>
7838         * config/sh/sh64.h (CPP_DEFAULT_CPU_SPEC): New.
7839         (SUBTARGET_CPP_PTR_SPEC): New.
7840         (SUBTARGET_CPP_SPEC): Remove.
7841         2001-07-06  Chandrakala Chavva  <cchavva@redhat.com>
7842         * config/sh/sh.md (movsf_media_nofpu+1, movdf_media_nofpu+1):
7843         Fix typo in previous checkin.
7844         2001-07-11  Chandrakala Chavva  <cchavva@redhat.com>
7845         * config/sh/sh.h (MODES_TIEABLE_P): Fix redact indentations.
7846         2001-07-10  Chandrakala Chavva  <cchavva@cygnus.com>
7847                     Alexandre Oliva  <aoliva@redhat.com>
7848         * config/sh/sh.h (MODES_TIEABLE_P): Don't tie modes wider than
7849         what single FP register can hold for SHmedia target.
7850         2001-07-06  Chandrakala Chavva  <cchavva@redhat.com>
7851                     Alexandre Oliva  <aoliva@redhat.com>
7852         * config/sh/sh.md (movsf_media_nofpu+1, movdf_media_nofpu+1):
7853         Do not split into SUBREG.
7854         2001-06-14  Alexandre Oliva  <aoliva@redhat.com>
7855         * config/sh/ushmedia.h, config/sh/sshmedia.h: Updated signatures
7856         and added new functions as specified in SH5 ABI r9.
7857         2001-06-04  Alexandre Oliva  <aoliva@redhat.com>
7858         * config/sh/lib1funcs.asm (GCC_nested_trampoline): Align to an
7859         8-byte boundary.
7860         2001-06-03  Alexandre Oliva  <aoliva@redhat.com>
7861         * config/sh/sh.c (dump_table): Add const0_rtx in calls of
7862         gen_consttable_4 and gen_consttable_8.  Emit multiple labels
7863         and consttable_window_ends.
7864         2001-06-03  Graham Stott  <grahams@redhat,com>
7865         * config/sh/sh.md (movdi split): Remove unused variable last_insn.
7866         2001-05-16  Alexandre Oliva  <aoliva@redhat.com>
7867         * config/sh/sh.c (print_operand): Handle floating-point pair,
7868         vector and matrix registers.
7869         * config/sh/sh.h (REGISTER_MOVE_COST): Take floating-pointer
7870         vector modes into account.
7871         * config/sh/sh.md (movv2sf): Split move between registers into
7872         movdf.
7873         (movv4sf, movv16sf): Introduce insns that get split only after
7874         reload.
7875         * config/sh/shmedia.h: Fix Copyright dates.
7876         * config/sh/ushmedia.h: Likewise.  Move loop counter
7877         declarations into conditionals that uses them.
7878         (sh_media_FVADD_S, sh_media_FVSUB_S): Fix off-by-one error in
7879         loop boundary.
7880         * config/sh/sshmedia.h: Fix Copyright dates.
7881         (sh_media_PUTCFG): Fix constraints.
7882         2001-05-12  Alexandre Oliva  <aoliva@redhat.com>
7883         * config/sh/sh.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define to
7884         ptrmemfunc_vbit_in_delta for SH5.
7885         2001-05-08  Alexandre Oliva  <aoliva@redhat.com>
7886         * config/sh/sh.h (TARGET_SWITCHES): Document -m5-*.
7887         * invoke.texi: Likewise.
7888         2001-04-14  Alexandre Oliva  <aoliva@redhat.com>
7889         * config/sh/lib1funcs.asm (GCC_push_shmedia_regs,
7890         GCC_push_shmedia_regs_nofpu, GCC_pop_shmedia_regs,
7891         GCC_pop_shmedia_regs_nofpu): New global symbols.
7892         * config/sh/t-sh64 (LIB1ASMFUNCS): Add them.
7893         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): New macro.
7894         * config/sh/sh.c (calc_live_regs): Account for PR's saving in
7895         compact function with nonlocal labels.
7896         (sh_expand_prologue) [SHcompact]: Push SHmedia regs if needed.
7897         (sh_expand_epilogue) [SHcompact]: Pop them when appropriate.
7898         (initial_elimination_offset): Account for their stack space.
7899         * config/sh/sh.md (shmedia_save_restore_regs_compact): New insn.
7900         * config/sh/sh.md (movsi_media, movsi_media_nofpu, movqi_media,
7901         movhi_media, movdi_media, movdi_media_nofpu, movdf_media,
7902         movdf_media_nofpu, movsf_media, movsf_media_nofpu): Require at
7903         least one of the operands to be a register.
7904         (movv2sf): Likewise.  Renamed to movv2sf_i.
7905         (movdi, movdf, movv2sf, movv4sf, movv16sf, movsf):
7906         prepare_move_operands() before emitting SHmedia insns.
7907         2001-04-03  Alexandre Oliva  <aoliva@redhat.com>
7908         * config/sh/crti.asm (init, fini) [__SH5__ && ! __SHMEDIA__]:
7909         Don't save nor initialize r12.  Don't mis-align the stack.
7910         Pad the code with a nop.
7911         * config/sh/crti.asm: Don't restore r12.  Don't mis-align the
7912         stack.
7913         2001-03-13  Alexandre Oliva  <aoliva@redhat.com>
7914         * gcc/longlong.h (__umulsidi3, count_leading_zeros)
7915         [__SHMEDIA__]: Implement.
7916         2001-03-11  Alexandre Oliva  <aoliva@redhat.com>
7917         * config/sh/sh.md: Set latency of `pt' closer to reality.
7918         (movsi_media, movsi_media_nofpu, movdi_media, movdi_media_nofpu,
7919         movdf_media, movdf_media_nofpu, movsf_media, movsf_media_nofpu):
7920         Set move, load and store type attributes.
7921         * config/sh/sh.c (sh_loop_align) [TARGET_SH5]: Set to 3.
7922         * config/sh/sh.h (OVERRIDE_OPTIONS) [TARGET_SH5]: Disable
7923         profiling.
7924         * config/sh/sh.h (PROMOTE_MODE): Sign-extend SImode to DImode.
7925         * config/sh/sh-protos.h (sh_media_register_for_return): Declare.
7926         * config/sh/sh.c (sh_media_register_for_return): New function.
7927         (sh_expand_prologue) [TARGET_SHMEDIA]: Copy r18 to an available
7928         branch-target register.
7929         (sh_expand_epilogue) [TARGET_SHMEDIA]: Explicitly USE it.
7930         * config/sh/sh.md (return_media_i): Use any call-clobbered
7931         branch-target register.
7932         (return_media): If r18 wasn't copied in the prologue, copy it
7933         here.
7934         * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE) [TARGET_SHMEDIA]:
7935         Clear class FP0_REGS.
7936         * config/sh/sh64.h (LINK_SPEC): Removed incorrect default copied
7937         from elf.h.
7938         2001-03-08  DJ Delorie  <dj@redhat.com>
7939         * config/sh/sh.h (OVERRIDE_OPTIONS): Disable relaxing for SHMEDIA.
7940         2001-02-09  Alexandre Oliva  <aoliva@redhat.com>
7941         * config/sh/sh.md (sibcall_compact): Set fp_mode to single.
7942         2001-02-07  Alexandre Oliva  <aoliva@redhat.com>
7943         * config/sh/sh.h (INT_ASM_OP) [SHMEDIA64]: Use `.quad'.
7944         2001-02-03  Alexandre Oliva  <aoliva@redhat.com>
7945         * config/sh/sh.h (INIT_CUMULATIVE_ARGS): Compute size of BLKmode
7946         return value correctly for call_cookie.
7947         2001-02-01  Alexandre Oliva  <aoliva@redhat.com>
7948         * config/sh/crt1.asm (start): Modified so as to call
7949         ___setup_argv_and_call_main.
7950         2001-01-26  Alexandre Oliva  <aoliva@redhat.com>
7951         * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Don't count stack_regs in
7952         SHmedia mode.
7953         2001-01-20  Alexandre Oliva  <aoliva@redhat.com>
7954         * config/sh/sh.h (STRIP_DATALABEL_ENCODING): New macro.
7955         (STRIP_NAME_ENCODING): Use it.
7956         (ASM_OUTPUT_LABELREF): Likewise.  Don't call assemble_name().
7957         2001-01-19  Alexandre Oliva  <aoliva@redhat.com>
7958         * config/sh/sh.md (sgeu) [! SHMEDIA]: Fix invocation of
7959         prepare_scc_operands().
7960         * config/sh/sh.h (SH_DATALABEL_ENCODING): Change to "#"...
7961         (DATALABEL_SYMNAME_P): ... so that we don't need memcmp here.
7962         2001-01-17  Alexandre Oliva  <aoliva@redhat.com>
7963         * config/sh/sh.h (STRIP_NAME_ENCODING): Strip leading `*'.
7964         2001-01-13  Alexandre Oliva  <aoliva@redhat.com>
7965         * config/sh/sh.md (shcompact_incoming_args): Use R0_REG.
7966         * config/sh/sh.md (R7_REG, R8_REG, R9_REG): Define as constants,
7967         used in shcompact_incoming_args.
7968         * config/sh/sh.c (sh_expand_epilogue): Fix thinko in previous
7969         change.
7970         * config/sh/crt1.asm (start) [SH5]: Switch to single-precision
7971         mode.
7972         * config/sh/lib1funcs.asm (sdivsi3_i4, udivsi3_i4, set_fpscr):
7973         Adjust accordingly.
7974         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
7975         Simplify.  Adjust.  Add sanity check.
7976         * config/sh/sh.h (TARGET_SWITCHES) [5-compact]: Set
7977         FPU_SINGLE_BIT.
7978         * config/sh/sh.md (udivsi3_i4_single, divsi3_i4_single): Match
7979         TARGET_SHCOMPACT.
7980         (udivsi3, divsi3): Use them.
7981         (force_mode_for_call): New insn.
7982         (call, call_value, sibcall_value): Emit it before SHcompact
7983         calls.
7984         2001-01-11  Alexandre Oliva  <aoliva@redhat.com>
7985         * config/sh/sh.md (call, call_value, sibcall): Make sure the
7986         call cookie is non-NULL before taking its value.
7987         2001-01-10  Alexandre Oliva  <aoliva@redhat.com>
7988         * config.gcc (sh64): Set target_requires_64bit_host_wide_int.
7989         2001-01-09  Alexandre Oliva  <aoliva@redhat.com>
7990         * config/sh/sh.md (shcompact_incoming_args): Set argument memory
7991         block.
7992         * config/sh/sh.h (STATIC_CHAIN_REGNUM) [SH5]: Use r1.
7993         * config/sh/sh.c (sh_expand_prologue) [SH5]: Use r0 as
7994         temporary for stack adjusts.  Use MACL and MACH to pass
7995         arguments to shcompact_incoming_args.
7996         * config/sh/sh.md (shcompact_incoming_args): Adjust.  Don't
7997         clobber r1.
7998         * config/sh/lib1funcs.asm (shcompact_incoming_args): Likewise.
7999         (nested_trampoline): Load static chain address into r1.
8000         * config/sh/sh.md (movdi_media splits): Fix sign-extension.
8001         2001-01-07  Alexandre Oliva  <aoliva@redhat.com
8002         * config/sh/sh.c (fpul_operand) [SHMEDIA]: Just call
8003         fp_arith_reg_operand().
8004         2001-01-06  Alexandre Oliva  <aoliva@redhat.com>
8005         * config/sh/sh.md (casesi): Sign-extend the first two operands,
8006         and use signed compares for them.
8007         * config/sh/sh.c (dump_table): Don't emit 8-byte constants after
8008         4-byte ones.  Instead, inter-leave them, maintaining the 8-byte
8009         ones properly aligned.
8010         (find_barrier): Account for extra alignment needed for 8-byte wide
8011         constants.
8012         (machine_dependent_reorg): Require a label for the second 4-byte
8013         constant after an 8-byte one.
8014         * config/sh/lib1funcs.asm (sdivsi3): Fix typo in yesterday's
8015         change.
8016         2001-01-05  Alexandre Oliva  <aoliva@redhat.com>
8017         * config/sh/sh.c (machine_dependent_reorg) [SHCOMPACT]: Reset
8018         last_float when switching float modes.
8019         * config/sh/sh.md (movdf) [SH5]: Don't use stack-pointer
8020         auto-increment for general-purpose registers.
8021         * config/sh/lib1funcs.asm (sdivsi3) [SHMEDIA]: Sign-extend the
8022         result.
8023         * config/sh/sh.c (sh_expand_prologue) [SH5]: Use r1 as temporary
8024         for stack adjust.
8025         * config/sh/sh.c (sh_builtin_saveregs): Support using all
8026         registers for varargs.
8027         2001-01-01  Alexandre Oliva  <aoliva@redhat.com>
8028         * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Simplify.
8029         * config/sh/sh.h (CALL_COOKIE_STACKSEQ,
8030         CALL_COOKIE_STACKSEQ_SHIFT, CALL_COOKIE_STACKSEQ_GET): New macros.
8031         (CALL_COOKIE_INT_REG_SHIFT): Adjust.
8032         (FUNCTION_ARG_ADVANCE): Use SHCOMPACT_FORCE_ON_STACK.  Adjust
8033         call_cookie accordingly.
8034         (FUNCTION_ARG): Test SHCOMPACT_FORCE_ON_STACK.
8035         (SHCOMPACT_BYREF): Likewise.
8036         (SHCOMPACT_FORCE_ON_STACK): New macro.
8037         * config/sh/sh.c (sh_expand_prologue): Use new call_cookie format.
8038         (sh_builtin_saveregs): Likewise.
8039         * config/sh/lib1funcs.asm (shcompact_call_trampoline,
8040         shcompact_incoming_args): Use new shift values.  Support
8041         sequences of consecutive and non-consecutive pushes/pops.
8042         * config/sh/sh.md (return): Don't explicitly use PR_REG.
8043         2001-01-05  Hans-Peter Nilsson  <hpn@cygnus.com>
8044         * config/sh/sh.h (TEXT_SECTION): Define.
8045         * config/sh/elf.h (ASM_FILE_START): Output TEXT_SECTION_ASM_OP.
8046         2001-01-05  Alexandre Oliva  <aoliva@redhat.com>
8047         * config/sh/sh.h (INIT_CUMULATIVE_LIBCALL_ARGS): New macro.
8048         * config/sh/sh.h (BASE_RETURN_VALUE_REG): Use FP regs for
8049         return values on FPU-enabled SHmedia.
8050         (FUNCTION_VALUE_REGNO_P): Mark FIRST_FP_RET_REG as used on
8051         FPU-enabled SHmedia.
8052         (INIT_CUMULATIVE_ARGS): Set up return trampoline only if
8053         value is returned in a non-FP reg and is not returned by
8054         reference.
8055         * config/sh/sh.md (shcompact_return_tramp_i): Change type to
8056         jump_ind.
8057         2000-01-04  Alexandre Oliva  <aoliva@redhat.com>
8058         * config/sh/sh.h (SH_MIN_ALIGN_FOR_CALLEE_COPY): New.
8059         (FUNCTION_ARG_CALLEE_COPIES): Require argument to be
8060         quad-aligned to be passed by callee-copy reference.
8061         2001-01-03  Alexandre Oliva  <aoliva@redhat.com>
8062         * config/sh/elf.h (MAX_WCHAR_TYPE_SIZE): Define.
8063         * config/sh/sh64.h (MAX_WCHAR_TYPE_SIZE): Undefine.
8064         2001-01-02  Alexandre Oliva  <aoliva@redhat.com>
8065         * config/sh/lib1funcs.asm (shcompact_call_trampoline): Fix error in
8066         copying low-numbered FP regs to r7 and r8.
8067         * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Don't request copying of
8068         FP regs to general-purpose regs only if the copy was passed on the
8069         stack.
8070         * config/sh/lib1funcs.asm (shcompact_call_trampoline): Fix typo in
8071         copying FP reg to r9.
8072         * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Use trampoline to
8073         copy FP regs to general-purpose regs only in outgoing calls.
8074         * config/sh/sh.md (movdf_media, movsf_media): Revert incorrect
8075         change from     2000-10-30.  Adjust for 64-bit (or 32-bit)
8076         HOST_WIDE_INT.
8077         * config/sh/sh.h (struct sh_args): Document all fields.
8078         (FUNCTION_OK_FOR_SIBCALL): Functions that receive arguments
8079         passed partially on the stack should not consider making
8080         sibcalls.
8081         * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Add byref regs to
8082         stack_regs only for incoming calls.  When passing FP args,
8083         make sure there are FP regs available before modifying
8084         call_cookie.
8085         (SHCOMPACT_BYREF): Pass double args in general-purpose
8086         registers by reference.
8087         2000-12-30  Alexandre Oliva  <aoliva@redhat.com>
8088         * config/sh/sh.h (FUNCTION_OK_FOR_SIBCALL) [SHCOMPACT]: Don't
8089         attempt to generate sibcalls if the caller got any arguments
8090         by reference.
8091         * config/sh/lib1funcs.asm (set_fpscr) [SH5]: Default to double.
8092         * config/sh/sh.c (dump_table) [SHCOMPACT]: Align DImode and DFmode
8093         to 8-byte boundaries.
8094         * config/sh/sh.md (shcompact_preserve_incoming_args): New insn.
8095         * config/sh/sh.h (CALL_COOKIE_INT_REG_GET): New macro.
8096         * config/sh/sh.c (sh_expand_prologue): Preserve args that will be
8097         stored in the stack.
8098         * config/sh/lib1funcs.asm (ct_main_table, ia_main_table): Arrange
8099         for the offsets to have the ISA bit set.
8100         (shcompact_call_trampoline): Document.  Swap r0 and r1, to match
8101         invocation.  Use beq instead of bgt to mark end of sequence of
8102         loads.
8103         (shcompact_incoming_args): Fix store of r2.  Use beq instead of
8104         bgt to mark end of sequence of stores.
8105         * config/sh/sh.c (arith_operand): Don't check whether
8106         CONST_OK_FOR_J for now.
8107         * config/sh/sh.md (movdf_media, movsf_media): Use HOST_WIDE_INT
8108         instead of long for conversion.
8109         2000-12-29  Alexandre Oliva  <aoliva@redhat.com>
8110         * config/sh/sh.c (print_operand_address): Convert INTVAL to int
8111         before passing it to fprintf.
8112         2000-12-28  Alexandre Oliva  <aoliva@redhat.com>
8113         * config/sh/crt1.asm (start): Reset SR.FD, to enable the FP unit.
8114         Call set_fpscr before reading/writing SR.
8115         * config/sh/crt1.asm (start): Set SR.SZ and SR.PR, but not SR.FR.
8116         Call set_fpscr.
8117         * config/sh/lib1funcs.asm: Add `.align 2' directives before
8118         SHmedia code.
8119         (FMOVD_WORKS): Define on SH5 with FPU.
8120         (set_fpscr): Define on SH5.  Remove separate _fpscr_values
8121         setting.
8122         * config/sh/t-sh64 (LIB1ASMFUNCS): Add _set_fpscr instead of
8123         _fpscr_values.
8124         2000-12-28  Hans-Peter Nilsson  <hpn@cygnus.com>
8125         * config/sh/lib1funcs.asm (ct_main_table): Align contents to even
8126         address.
8127         (ia_main_table): Ditto.
8128         2000-12-27  Alexandre Oliva  <aoliva@redhat.com>
8129         * config/sh/sh.h (MAX_WCHAR_TYPE_SIZE): Don't define.
8130         * config/sh/sh64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Reinstate
8131         the definitions from sh.h.
8132         * config/sh/sh.h (PTRDIFF_TYPE): Define as conditional on
8133         TARGET_SH5.
8134         (SUBTARGET_CPP_SPEC): Arrange for __PTRDIFF_TYPE__ to be defined.
8135         * config/sh/elf.h (PTRDIFF_TYPE): Likewise.
8136         * config/sh/sh64.h (SUBTARGET_CPP_SPEC): Likewise.
8137         2000-12-26  Alexandre Oliva  <aoliva@redhat.com>
8138         * config/sh/sh.md (movdi_media split): Don't add REG_LABEL notes.
8139         Increment LABEL_NUSES.
8140
8141         * config/sh/sh.h (SIZE_TYPE): Define as conditional on
8142         TARGET_SH5.
8143         (SUBTARGET_CPP_SPEC): Arrange for __SIZE_TYPE__ to be always
8144         defined.
8145         * config/sh/elf.h (SIZE_TYPE): Likewise.
8146         * config/sh/sh64.h (SUBTARGET_CPP_SPEC): Likewise.
8147         * config/sh/lib1funcs.asm (shcompact_call_trampoline,
8148         shcompact_incoming_args): Load switch table addresses using
8149         datalabel.
8150         * config/sh/sh.h (SUBTARGET_CPP_SPEC): Define __SIZE_TYPE__.
8151         (NO_BUILTIN_SIZE_TYPE): Define.
8152         (SIZE_TYPE): Don't define.
8153         * config/sh/sh64.h (SUBTARGET_CPP_SPEC): Define __SIZE_TYPE__.
8154         * config/sh/sh.h (CPP_SPEC): Fixed typo that prevented the
8155         definition of __SH5__=32 for -m5-compact-nofpu.
8156         * config/sh/sh.c (barrier_align): Ensure 32-bit alignment after
8157         ADDR_DIFF_VEC.
8158         2000-12-24  Alexandre Oliva  <aoliva@redhat.com>
8159         * config/sh/sh.h (FUNCTION_ARG_PADDING): Removed.
8160         2000-12-23  Alexandre Oliva  <aoliva@redhat.com>
8161         * config/sh/sh.h (TARGET_CACHE32): Enable on SH5.
8162         (FUNCTION_BOUNDARY): Ensure 32-bit alignment for SHmedia.
8163         (INSN_LENGTH_ALIGNMENT): Likewise.
8164         2000-12-22  Alexandre Oliva  <aoliva@redhat.com>
8165         * config/sh/sh.md (call, call_value, sibcall): Simplify
8166         copying of non-branch-target register.
8167         2000-12-22  Alexandre Oliva  <aoliva@redhat.com>
8168         * glimits.h (__LONG_MAX__): Revert      2000-12-13's patch.
8169         * config/sh/sh.h (CPP_SPEC): Define it here for 64-bit SHmedia.
8170         2000-12-22  Alexandre Oliva  <aoliva@redhat.com>
8171         * config/sh/sh.h (GET_SH_ARG_CLASS): Handle complex
8172         floating-point values as structs.
8173         (FUNCTION_ARG): Use SH5_PROTOTYPED_FLOAT_ARG.
8174         (SH5_PROTOTYPELESS_FLOAT_ARG): List FP registers before
8175         general-purpose register.
8176         (SH5_PROTOTYPED_FLOAT_ARG): New macro.
8177         2000-12-20  Alexandre Oliva  <aoliva@redhat.com>
8178         * config/sh/sh.md (addsi3): Force operand1 to reg for SHmedia.
8179         * config/sh/sh.md (movsi_media): Split CONST_DOUBLE loads too.
8180         * config/sh/sh.h (DATALABEL_REF_P): Don't require the CONST.
8181         (ENCODE_SECTION_INFO): Enclose variables and constants in
8182         DATALABEL unspecs.
8183         (SH_DATALABEL_ENCODING, DATALABEL_SYMNAME_P): Define.
8184         (STRIP_NAME_ENCODING): Strip SH_DATALABEL_ENCODING off.
8185         (ASM_OUTPUT_LABELREF, AMS_OUTPUT_SYMBOL_REF): Define.
8186         * config/sh/sh.c (gen_datalabel_ref): Use UNSPEC_DATALABEL
8187         only for LABEL_REFs.  For SYMBOL_REFs, prepend
8188         SH_DATALABEL_ENCODING to the symbol name.
8189         * config/sh/sh.md (indirect_jump): Use SUBREG instead of
8190         convert_mode().
8191         2000-12-20  Alexandre Oliva  <aoliva@redhat.com>
8192         * config/sh/sh.md (casesi): Enclose ADDR_DIFF_VEC address in
8193         UNSPEC_DATALABEL.
8194         * config/sh/sh.c (gen_datalabel_ref): Accept LABEL_REFs.
8195         * config/sh/sh.h (DATALABEL_REF_NO_CONST_P): Likewise.
8196         (DATALABEL_REF_P): Don't require CONST.
8197         (ASM_OUTPUT_ADDR_DIFF_ELT): On SH5, output datalabel before
8198         REL label.
8199         2000-12-19  Alexandre Oliva  <aoliva@redhat.com>
8200         * config/sh/sh.md (extendhidi2, extendqidi2): Use arithmetic shift
8201         right.
8202         2000-12-18  Alexandre Oliva  <aoliva@redhat.com>
8203         * config/sh/sh.md (movsi_media, call, call_value, sibcall):
8204         Use shallow_copy_rtx and PUT_MODE to change the mode of
8205         SYMBOL_REFs, LABEL_REFs, CONSTs, etc.
8206         * config/sh/sh.h (PREFERRED_RELOAD_CLASS): Reload SYMBOL_REFs
8207         on SHmedia using GENERAL_REGs.
8208         * config/sh/sh.md (ble_media_i, blt_media_i, bleu_media_i,
8209         bltu_media_i): Fix reversion of conditions.
8210         2000-12-18  Alexandre Oliva  <aoliva@redhat.com>
8211         * config/sh/sh.md (zero_extendhidi2): Use logical shift right.
8212         * config/sh/sh.c (output_far_jump): Save r13 in macl.
8213         2000-12-17  Alexandre Oliva  <aoliva@redhat.com>
8214         * config/sh/sh.c (gen_datalabel_ref): Fix mode of the UNSPEC.
8215         2000-12-16  Alexandre Oliva  <aoliva@redhat.com>
8216         * config/sh/lib1funcs.asm (ic_invalidate): Define for SH5.
8217         (GCC_nested_trampoline): Likewise.
8218         * config/sh/sh-protos.h (gen_datalabel_ref): Declare.
8219         * config/sh/sh.c (gen_datalabel_ref): Define.
8220         * config/sh/sh.h (TRAMPOLINE_SIZE): Adjust for SH5.
8221         (INITIALIZE_TRAMPOLINE): Likewise.
8222         (TRAMPOLINE_ADJUST_ADDRESS): Define.
8223         (DATALABEL_REF_NO_CONST_P, DATALABEL_REF_P): Define.
8224         (EXTRA_CONSTRAINT_T): Match DATALABEL unspecs.
8225         (OUTPUT_ADDR_CONST_EXTRA): Handle DATALABEL unspecs.
8226         * config/sh/sh.md (UNSPEC_DATALABEL): New constant.
8227         (ic_invalidate): Adjust for SH5.
8228         (ic_invalidate_line_media, ic_invalidate_line_compact): New insns.
8229         * config/sh/t-sh64 (LIB1ASMFUNCS): Added _ic_invalidate and
8230         _nested_trampoline.
8231         2000-12-15  Alexandre Oliva  <aoliva@redhat.com>
8232         * config/sh/sh.h (MOVE_MAX): Set to 8 for SHmedia, 4 elsewhere.
8233         (MOVE_MAX_PIECES): Set to 8 on SHmedia too.
8234         2000-12-14  Alexandre Oliva  <aoliva@redhat.com>
8235         * config/sh/sh.h (DBX_REGISTER_NUMBER): Adjust for sh64-elf-gdb.
8236         * config/sh/elf.h (DBX_REGISTER_NUMBER): Likewise.
8237         2000-12-14  Alexandre Oliva  <aoliva@redhat.com>
8238         * config/sh/sh.c (target_reg_operand): Match only target-branch
8239         registers and pseudos that aren't virtual registers.
8240         * config/sh/sh.md (call, call_value, sibcall) [TARGET_SHMEDIA]:
8241         Copy operands that don't match target_reg_operand to pseudos.
8242         (call_media, call_value_media, sibcall_media): Use
8243         target_reg_operand instead of target_operand.
8244         2000-12-13  Alexandre Oliva  <aoliva@redhat.com>
8245         * glimits.h (__LONG_MAX__) [SH5 == 64]: Adjust for 64 bits.
8246         * config/sh/sh.c (target_reg_operand): Match hardware registers
8247         other than branch-target registers.
8248         * config/sh/sh.md (zero_extendqidi2): Input operand is %1.
8249         * config/sh/lib1funcs.asm (sdivsi3) [SH5]: Make it global.
8250         (fpscr_values) [SH5 == 32]: Define.
8251         * config/sh/t-sh64 (LIB1ASMFUNCS): Add fpscr_values.
8252         * config/sh/sh.md (call, call_value, sibcall) [TARGET_SHMEDIA]:
8253         Handle function addresses coming in SUBREGs.
8254         2000-12-12  Alexandre Oliva  <aoliva@redhat.com>
8255         * config/sh/lib1funcs.asm (shcompact_call_trampoline,
8256         shcompact_return_trampoline): Use datalabel where appropriate.
8257         2000-12-09  Alexandre Oliva  <aoliva@redhat.com>
8258         * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use a
8259         general-purpose register to copy one branch-target register to
8260         another.
8261         2000-12-06  Alexandre Oliva  <aoliva@redhat.com>
8262         * config/sh/sh.c (target_operand): Accept LABEL_REFs and
8263         SYMBOL_REFs with VOIDmode.
8264         * config/sh/sh.md (ble_media_i, blt_media_i, bleu_media_i,
8265         bltu_media_i): New insns.
8266         2000-12-06  Alexandre Oliva  <aoliva@redhat.com>
8267         * config/sh/sh.h (RETURN_IN_MEMORY): Adjust for SH5 ABI.
8268         (INIT_CUMULATIVE_ARGS): Likewise.
8269         2000-12-01  Alexandre Oliva  <aoliva@redhat.com>
8270         * machmode.def (V16SFmode): New mode.
8271         * c-common.c (type_for_mode): Support V2SF and V16SF.
8272         * tree.c (build_common_tree_nodes_2): Likewise.
8273         * tree.h (tree_index): Likewise.
8274         * calls.c (emit_call_1): Take args_so_far.  Adjust all
8275         callers.  Introduce CALL_POPS_ARGS.
8276         * tm.texi (CALL_POPS_ARGS): Document.
8277         * config/sh/crt1.asm: Implement in SHmedia mode.
8278         * config/sh/crti.asm, config/sh/crtn.asm: Likewise
8279         * config/sh/elf.h (ASM_SPEC, LINK_SPEC): Support SH5 flags.
8280         (DBX_REGISTER_NUMBER): Renumber registers for SH5.
8281         * config/sh/lib1funcs.asm: Disable functions unused in SH5.
8282         Implement divsi and udivsi in SHmedia mode.  Introduce
8283         SHcompact trampolines.
8284         * config/sh/sh.c (GEN_MOV, GEN_ADD3, GEN_SUB3): Use DImode
8285         only in SHmedia64.
8286         (regno_reg_class): Rewrite.
8287         (fp_reg_names): Remove.
8288         (sh_register_names, sh_additional_register_names): New.
8289         (print_operand): Added `u'.  Support SUBREGs in addresses.
8290         Add parentheses around shifted CONSTs.
8291         (output_file_start): Output .mode and .abi directives.
8292         (shiftcosts, addsubcosts, multcosts): Adjust.
8293         (output_stack_adjust): Compute alignment.  Sanity-check SIZE.
8294         (push_regs): Take array of HOST_WIDE_INTs.  Adjust callers.
8295         (calc_live_regs): Output to array of HOST_WIDE_INTs.  Count
8296         bytes, not registers.  Take into account the need for the
8297         SHcompact incoming args trampoline.  Adjust all callers.
8298         (sh_expand_prologue): Take stack_regs into account.  Call
8299         incoming args trampoline.  Keep stack aligned as per SH5 ABI.
8300         (sh_expand_epilogue): Take stack_regs into accoutn.  Keep
8301         stack aligned as per SH5 ABI.
8302         (sh_builtin_saveregs): Support SH5 ABI.
8303         (sh_build_va_list, sh_va_start): Likewise.
8304         (initial_elimination_offset): Take alignment into account.
8305         Compute location of PR according to the SH5 stack frame.
8306         (arith_reg_operand): Reject branch-target registers.
8307         (shmedia_6bit_operand): New.
8308         (logical_operand): Use CONST_OK_FOR_P on SHmedia.
8309         (target_reg_operand): Match DImode only.  Accept SUBREGs.
8310         (target_operand): New.
8311         * config/sh/sh.h (CPP_SPEC, SUBTARGET_CPP_SPEC): Support SH5 flags.
8312         (CONDITIONAL_REGISTER_USAGE): Implement SH5 ABI.  Initialize
8313         SIBCALL_REGS for SHmedia.
8314         (TARGET_SH3E, TARGET_SH4): Only if SH1_BIT is set too.
8315         (TARGET_FPU_DOUBLE, TARGET_FPU_ANY): New.
8316         (TARGET_SHMEDIA32, TARGET_SHMEDIA64): New.
8317         (TARGET_SWITCHES): New SH5 flags.
8318         (OVERRIDE_OPTIONS): Set SH5-specific options.  Use
8319         VALID_REGISTER_P to disable unsupported registers.
8320         (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set.
8321         (POINTER_SIZE, PARM_BOUNDARY): Adjust.
8322         (FUNCTION_ARG_PADDING): Define.
8323         (FASTEST_ALIGNMENT): Adjust.
8324         (SH_REGISTER_NAMES_INITIALIZER): New.
8325         (sh_register_names): Declare.
8326         (DEBUG_REGISTER_NAMES): Define.
8327         (REGISTER_NAMES): Define based on sh_register_names.
8328         (SH_ADDITIONAL_REGISTER_NAMES_INITIALIZER): New.
8329         (sh_additional_register_names): Declare.
8330         (LAST_GENERAL_REG, LAST_FP_REG, LAST_XD_REG): Adjust for SHmedia.
8331         (FIRST_TARGET_REG, LAST_TARGET_REG): Define.
8332         (TARGET_REGISTER_P, SHMEDIA_REGISTER_P, VALID_REGISTER_P): Define.
8333         (REGISTER_NATURAL_MODE): Define.
8334         (FIRST_PSEUDO_REGISTER): Adjust.
8335         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
8336         (HARD_REGNO_CALL_PART_CLOBBERED): Define.
8337         (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Adjust.
8338         (VECTOR_MODE_SUPPORTED_P): Define.
8339         (REG_CLASS_CONTENTS): Adjust.
8340         (SMALL_REGISTER_CLASSES): Adjust.
8341         (REG_ALLOC_ORDER): Adjust.
8342         (INDEX_REG_CLASS): Adjust.
8343         (CONST_OK_FOR_O, CONST_OK_FOR_P): New.
8344         (CONST_OK_FOR_LETTER_P): Adjust.
8345         (PREFERRED_RELOAD_CLASS): Adjust.
8346         (SECONDARY_OUTPUT_RELOAD_CLASS): Adjust.
8347         (SECONDARY_INPUT_RELOAD_CLASS): Adjust.
8348         (NPARM_REGS, FIRST_PARM_REG, FIRST_RET_REG): Adjust.
8349         (FIRST_FP_PARM_REG): Adjust.
8350         (CALL_POPS_ARGS): Define.
8351         (FUNCTION_ARG_REGNO_P): Adjust.
8352         (struct sh_args): New fields.
8353         (GET_SH_ARG_CLASS): Adjust.
8354         (INIT_CUMULATIVE_ARGS): Adjust.
8355         (INIT_CUMULATIVE_INCOMING_ARGS): Define.
8356         (FUNCTION_ARG_ADVANCE): Adjust.
8357         (FUNCTION_ARG): Adjust.
8358         (FUNCTION_ARG_PASS_BY_REFERENCE, SHCOMPACT_BYREF): Define.
8359         (FUNCTION_ARG_CALLEE_COPIES): Define.
8360         (SH5_PROTOTYPELESS_FLOAT_ARG): Define.
8361         (STRICT_ARGUMENT_NAMING): Define.
8362         (PRETEND_OUTGOING_VARARGS_NAMED): Adjust.
8363         (FUNCTION_ARG_PARTIAL_NREGS): Adjust.
8364         (SH5_WOULD_BE_PARTIAL_NREGS): Define.
8365         (SETUP_INCOMING_VARARGS): Adjust.
8366         (HAVE_POST_INCREMENT, HAVE_PRE_DECREMENT): Adjust.
8367         (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Adjust.
8368         (REGNO_OK_FOR_INDEX_P, REG_OK_FOR_INDEX_P): Adjust.
8369         (SUBREG_OK_FOR_INDEX_P): Adjust.
8370         (EXTRA_CONSTRAINT_S): Update.
8371         (EXTRA_CONSTRAINT_T): New.
8372         (EXTRA_CONSTRAINT): Adjust.
8373         (GO_IF_LEGITIMATE_INDEX): Adjust.
8374         (GO_IF_LEGITIMATE_ADDRESS): Adjust.
8375         (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Adjust.
8376         (MOVE_MAX): Adjust.
8377         (MAX_MOVE_MAX): Define.
8378         (Pmode): Adjust.
8379         (CONST_COSTS): Adjust.
8380         (REGISTER_MOVE_COST): Adjust.
8381         (BRANCH_COST): Adjust.
8382         (TEXT_SECTION_ASM_OP): Adjust.
8383         (DBX_REGISTER_NUMBER): Adjust.
8384         (ASM_OUTPUT_DOUBLE_INT): New.
8385         (UNALIGNED_DOUBLE_INT_ASM_OP): New.
8386         (PREDICATE_CODES): Adjust.
8387         (PROMOTE_MODE): Adjust.
8388         (CRT_CALL_STATIC_FUNCTION): Do not define for SHmedia.
8389         * config/sh/sh.md (AP_REG, PR_REG, T_REG, GBR_REG): Renumber.
8390         (MACH_REG, MACL_REG, FPUL_REG, RAP_REG, FPSCR_REG): Renumber.
8391         (PR_MEDIA_REG, T_MEDIA_REG, R10_REG): New.
8392         (DR0_REG, DR2_REG, DR4_REG): Renumber.
8393         (TR0_REG, TR1_REG, TR2_REG): New.
8394         (XD0_REG): Renumber.
8395         (UNSPEC_COMPACT_ARGS): New.
8396         (type): Added pt and ptabs.
8397         (length): Default to 4 on SHmedia.  Default pt length to 12
8398         and     20 on SHmedia32 and SHmedia64, respectively.
8399         (pt): New function unit.
8400         (movdi, movsi): Add types pt and ptabs.  Don't increment LABEL_NUSES.
8401         Add whitespace between operands of SHmedia instructions.
8402         (movdicc): Fix.
8403         (adddi3_media, addsi3_media): Adjust constraints.
8404         (subsi3) [SHmedia]: Force operand 1 into a register.
8405         (udivsi3_i1_media, udivsi3_i4_media): New.
8406         (udivsi3): Support SHmedia.
8407         (divsi3_i1_media, divsi3_i4_media): New.
8408         (divsi3): Support SHmedia.
8409         (anddi3, iordi3, xordi3): Adjust constraints.
8410         (zero_extendhidi2, zero_extendqidi2): New.
8411         (extendsidi2, extendhidi2, extendqidi2): New.
8412         (push, pop, push_e, push_fpul, push_4): Disable on SH5.
8413         (pop_e, pop_fpul, pop_4): Likewise.
8414         (movsi_media): Support FP and BT registers.
8415         (movsi_media_nofpu): New.  Adjust splits to DImode.
8416         (lduw, ldub): Renamed to zero_extend* above.
8417         (movqi_media): Fix typo.
8418         (movdi_media): Support FP and BT registers.
8419         (movdi_media_nofpu): New.  Adjust splits for SHmedia32.
8420         (movdi_const_32bit): New.
8421         (shori_media): Require immediate operand.  Use `u' for output.
8422         (movdf_media, movsf_media): Simplified.
8423         (movdf_media_nofpu, movsf_media_nofpu): New.
8424         (movdf, movsf): Adjust
8425         (movv2sf, movv2sf, movv16sf): New.
8426         (beq_media, beq_media_i): Adjust constraints.  Don't use
8427         scratch BT register.
8428         (bne_media, bne_media_i): Likewise.
8429         (bgt_media, bgt_media_i): Likewise.
8430         (bge_media, bge_media_i): Likewise.
8431         (bgtu_media, bgtu_media_i): Likewise.
8432         (bgeu_media, bgeu_media_i): Likewise.
8433         (beq, bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu,
8434         bunordered): Emit jump insn.  Force operands to registers when
8435         needed.
8436         (jump_media, jump): Simplify.
8437         (call_compact, call_compact_rettramp): New.
8438         (call_value_compact, call_value_compact_rettramp): New.
8439         (call_media, call_value_media): Simplify.
8440         (sibcall_compact, sibcall_media): New.
8441         (call, call_value): Adjust for SHmedia and SHcompact.
8442         (sibcall, sibcall_value, untyped_call): Likewise.
8443         (sibcall_epilogue): Preserve r0 across epilogue for SHcompact.
8444         (indirect_jump): Adjust for SHmedia.
8445         (casesi_jump_media): New.
8446         (nop): Re-enable for SHmedia.
8447         (call_site): Restrict to SH1.
8448         (casesi): Adjust for SHmedia.
8449         (casesi_shift_media, casesi_load_media): New.
8450         (return): Explicitly use PR register.  Call return trampoline
8451         on SHcompact.
8452         (return_i): Explicitly use PR register.
8453         (shcompact_return_tramp, shcompact_return_tramp_i): New.
8454         (return_media): Adjust.
8455         (shcompact_incoming_args): New.
8456         (epilogue): Adjust.
8457         (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu, sne): Adjust.
8458         (movstrsi): Disable on SH5.
8459         (fpu_switch0, fpu_switch1, movpsi): Enable on SH4.
8460         (addsf3, addsf3_media): Test TARGET_SHMEDIA_FPU.
8461         (subsf3, subsf3_media): Likewise.
8462         (mulsf3, mulsf3_media, mac_media): Likewise.
8463         (divsf3, divsf3_media): Likewise.
8464         (floatdisf2, floatsisf2_media): Likewise.  Adjust constraints.
8465         (floatsisf2, fux_truncsfsi2): Likewise.
8466         (fix_truncsfdi2, fix_truncsfsi2_media): Likewise.  Adjust
8467         constraints.
8468         (cmpeqsf_media, cmpgtsf_media, cmpgesf_media): Likewise.
8469         (cmpunsf_media, cmpsf): Likewise.
8470         (negsf2, negsf2_media, sqrtsf2, sqrtsf2_media): Likewise.
8471         (abssf2, abssf2_media): Likewise.
8472         (adddf3, adddf3_media, subdf3, subdf3_media): Likewise.
8473         (muldf3, muldf3_media, divdf3, divdf3_media): Likewise.
8474         (floatdidf2, floatsidf2_media): Likewise.  Adjust constraints.
8475         (floatsidf2, fix_truncdfsi2): Likewise.
8476         (fix_truncdfdi2, fix_truncdfsi2_media): Likewise.  Adjust
8477         constraints.
8478         (cmpeqdf_media, cmpgtdf_media): Likewise.
8479         (cmpgedf_media, cmpundf_media, cmpdf): Likewise.
8480         (negdf2, negdf2_media, sqrtdf2, sqrtdf2_media): Likewise.
8481         (absdf2, absdf2_media): Likewise.
8482         (extendsfdf2, extendsfdf2_media): Likewise.
8483         (truncsfdf2, truncsfdf2_media): Likewise.
8484         * config/sh/sh64.h: New file.
8485         * config/sh/t-sh64: New file.
8486         * config/sh/shmedia.h: New file.
8487         * config/sh/ushmedia.h: New file.
8488         * config/sh/sshmedia.h: New file.
8489         * configure.in: Added sh64-*-elf.
8490         * configure: Rebuilt.
8491         2000-10-10  Alexandre Oliva  <aoliva@redhat.com>
8492         * config/sh/sh.c (GEN_MOV, GEN_ADD3, GEN_SUB3): New macros.
8493         (reg_class_from_letter): Use `b' for TARGET_REGS.
8494         (print_operand): Support `%M', `%m', `AND' and
8495         `ASHIFTRT'.  Do not precede constants with `#' on SHmedia.
8496         (andcosts): Adjust for SHmedia.
8497         (output_stack_adjust, sh_expand_prologue, sh_expand_epilogue):
8498         Likewise.
8499         (target_reg_operand): New function.
8500         * config/sh/sh-protos.h (target_reg_operand): Declare.
8501         * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't disable
8502         FP registers on SH5.
8503         (HARD_REGNO_MODE_OK): Accept them whenever they're acceptable
8504         on SH4.
8505         (TARGET_REGISTER_P): New macro.
8506         (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Added TARGET_REGS.
8507         (FUNCTION_VALUE): Use DImode for promoted types on SHmedia.
8508         (EXTRA_CONSTRAINT_S): New macro.
8509         (EXTRA_CONSTRAINT): Adjust.
8510         (FLOAT_TYPE_SIZE): Define to 32.
8511         (Pmode): DImode on SHmedia.
8512         (CONST_COSTS): Adjust for SHmedia literals.
8513         (PREDICATE_CODES): Added target_reg_operand.
8514         (PROMOTE_MODE): Promote signed types to DImode on SHmedia.
8515         * config/sh/sh.md: Remove all attrs from SHmedia insns.
8516         (cmpeqdi_media, cmpgtdi_media, cmpgtudi_media): New insns.
8517         (cmpdi): Accept SHmedia.
8518         (movdicc_false, movdicc_true): New insns.
8519         (movdicc): New expand.
8520         (adddi3): Accept arith_operand for op2, but FAIL on SH1 if
8521         no_new_pseudos.
8522         (addsi3_media): Match `S' constraint.
8523         (anddi3, andcdi3, iordi3, xordi3, negdi_media): New insns.
8524         (negdi2): Expand for SHmedia.
8525         (one_cmpldi2): New expand.
8526         (zero_extendsidi2): Change from expand to insn.
8527         (extendsidi2): Add constraints.
8528         (movdi_media, movsi_media): Change `%x' to `%M'.  Use `%m' for
8529         LD/ST address.  Fix SI immediate loading split.
8530         (movhi_media, movqi_media, lduw, ldub): New insns.
8531         (movhi, movqi): Accept SHmedia.
8532         (shori_media, movdi_media): Relax input constraints.  Split
8533         symbolic constants.
8534         (movdf_media, movsf_media): New insn.  New split to movdi.
8535         (movdf, movsf): Match on SHmedia.
8536         (beq_media, bne_media, bgt_media, bge_media, bgtu_media,
8537         bgeu_media): New insns and splits.  New insns with `_i' suffix.
8538         (beq, bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu): Adjust.
8539         (bunordered): New expand.
8540         (jump_compact): Renamed from `jump'.
8541         (jump_media): New insn.
8542         (jump): New expand.
8543         (call_media, call_value_media): New insns.
8544         (call, call_value): Adjust.
8545         (indirect_jump_compact): Renamed from `indirect_jump'.
8546         (indirect_jump_media): New insn.
8547         (indirect_jump): New expand.
8548         (untyped_call, return): Accept SHmedia.
8549         (return_media): New insn.
8550         (prologue, epilogue, blockage): Accept SHmedia.
8551         (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu, sne): Adjust.
8552         (sunordered): New expand.
8553         (addsf3, subsf3, mulsf3, divsf3, floatsisf2, fix_truncsfsi2,
8554         cmpsf, negsf2, sqrtsf2, abssf2): Adjust for SHmedia.
8555         (addsf3_media, subsf3_media, mulsf3_media, mac_media,
8556         divsf3_media, floatdisf2, floatsisf2_media, fix_truncsfdi2,
8557         fix_truncsfsi2_media, cmpeqsf_media, cmpgtsf_media,
8558         cmpgesf_media, cmpunsf_media, negsf2_media, sqrtsf2_media,
8559         abssf2_media): New insns.
8560         (adddf3, subdf3, muldf3, divdf3, floatsidf2, fix_truncdfsi2,
8561         cmpdf, negdf2, sqrtdf2, absdf2): Adjust for SHmedia.
8562         (adddf3_media, subdf3_media, muldf3_media, divdf3_media,
8563         floatdidf2, floatsidf2_media, fix_truncdfdi2,
8564         fix_truncdfsi2_media, cmpeqdf_media, cmpgtdf_media,
8565         cmpgedf_media, cmpundf_media, negdf2_media, sqrtdf2_media,
8566         absdf2_media): New insns.
8567         (extendsfdf2, truncdfsf2): Adjust for SHmedia.
8568         (extendsfdf2_media, truncdfsf2_media): New insns.
8569         2000-09-14  Alexandre Oliva  <aoliva@redhat.com>
8570         * config/sh/sh.c (machine_dependent_reorg): On shmedia, skip for now.
8571         * config/sh/sh.h (CONST_OK_FOR_J): Document.
8572         (LEGITIMATE_CONSTANT_P): Accept CONST_DOUBLEs on shmedia.
8573         * config/sh/sh.md (adddi3): New expand.
8574         (adddi3_media, adddi3z_media): New insns.
8575         (adddi3_compact): Renamed from adddi3.
8576         (addsi3_media): Use add.l r63 to add constant zero.
8577         (subdi3): New expand.
8578         (subdi3_media): New insn.
8579         (subdi3_compact): Renamed from subdi3.
8580         (mulsidi3): New expand.
8581         (mulsidi3_media): New insn.
8582         (mulsidi3_compact): Renamed from mulsidi3.
8583         (umulsidi3): New expand.
8584         (umulsidi3_media): New insn.
8585         (umulsidi3_compact): Renamed from umulsidi3.
8586         (ashlsi3_media, ashrsi3_media, lshrsi3_media): New insns.
8587         (ashlsi3, ashrsi3, lshrsi3): Use them.
8588         (ashldi3_media, ashrdi3_media, lshrdi3_media): New insns.
8589         (ashldi3, ashrdi3, lshrdi3): Use them.
8590         (zero_extendsidi2): New expand.
8591         (extendsidi2): New insn.
8592         (movsi_media): New insn.  Split to movdi to load constants.
8593         (movsi): Enable for shmedia.
8594         (movdi_media): New insn.  Use shori_media to load wide constants.
8595         (short_media): New insn.
8596         (movdi): Enable for shmedia.
8597         2000-09-08  Alexandre Oliva  <aoliva@redhat.com>
8598         * config/sh/sh.h (CPP_SPEC): Added `m5'.
8599         (SUBTARGET_CPP_SPEC): Added `!m5'.
8600         (SH5_BIT, TARGET_SH5, TARGET_SHMEDIA, TARGET_SHCOMPACT): New macros.
8601         (TARGET_SWITCHES): Added `5' and `5-compact'.  Added SH1_BIT
8602         to all other SH variants.
8603         (TARGET_DEFAULT): Set to SH1_BIT.
8604         (OVERRIDE_OPTIONS): Recognize sh5 CPU.
8605         (BITS_PER_WORD): Raise to 64 on shmedia.
8606         (MAX_BITS_PER_WORD): Change to 64.
8607         (MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Set to MAX_BITS_PER_WORD.
8608         (INT_TYPE_SIZE): Keep as 32.
8609         (UNITS_PER_WORD): Raise to 8 on shmedia.
8610         (MIN_UNITS_PER_WORD): Keep as 4.
8611         (POINTER_SIZE): Raise to 64 on shmedia.
8612         (CONST_OK_FOR_J): New macro.
8613         (CONST_OK_FOR_LETTER_P): Use it.
8614         (processor_type): Add PROCESSOR_SH5.
8615         * config/sh/sh.md: Conditionalize all expands, insns and
8616         splits to TARGET_SH1.
8617         (cpu): Added sh5.
8618         (addsi3_compact): Renamed from...
8619         (addsi3): Now an expand.
8620         (addsi3_media, subsi3_media): New insns.
8621         (subsi3): Don't negate constants with SHmedia.
8622
8623         * hooks.c: New file.
8624         * hooks.h: New file.
8625         * Makefile.in (HOOKS_H): New.
8626         (TARGET_DEF_H): Added $(HOOKS_H).
8627         (OBJS): Added hooks.o.
8628         (cfgcleanup.o, bb-reorder.o): Added target.h.
8629         (hooks.o): Added dependencies.
8630         * target-def.h (TARGET_CANNOT_MODIFY_JUMPS_P): New, added to...
8631         (TARGET_INITIALIZER): this.
8632         * doc/tm.texi (TARGET_CANNOT_MODIFY_JUMPS_P): Document.
8633         * target.h (struct gcc_target): Added cannot_modify_jumps_p.
8634         * bb-reorder.c: Include target.h.
8635         (reorder_basic_blocks): Skip if cannot modify jumps.
8636         * cfgcleanup.c: Include target.h.
8637         (try_optimize_cfg): Skip merge blocking if cannot modify jumps.
8638
8639 2002-02-08  Chris Demetriou  <cgd@broadcom.com>
8640
8641         * config/mips/mips.md (casesi_internal, casesi_internal_di):
8642         Protect jump delay slot instructions with .set noreorder and
8643         .set nomacro.
8644
8645 2002-02-08  Chris Demetriou  <cgd@broadcom.com>
8646
8647         * config/mips/mips.md (casesi_internal_di): Calculate
8648         the index into the target offset table correctly.
8649
8650 2002-02-08  Richard Henderson  <rth@redhat.com>
8651
8652         * expr.c (expand_expr): Mind EXPAND_INITIALIZER for truncation also.
8653         * final.c (output_addr_const): Accept and discard SUBREG.
8654         * varasm.c (decode_addr_const): Don't abort on unknown expressions --
8655         mark them unknown instead.
8656         (simplify_subtraction): Handle RTX_UNKNOWN.
8657         (initializer_constant_valid_p): Strip NOP_EXPRs that narrow the mode.
8658
8659 2002-02-08  David Edelsohn  <edelsohn@gnu.org>
8660
8661         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix typo.
8662
8663 2002-02-08  Richard Henderson  <rth@redhat.com>
8664
8665         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_BSS): New.
8666
8667 2002-02-08  Andreas Jaeger  <aj@suse.de>
8668
8669         * config.gcc (x86_64-*-linux): Add t-linux64 makefile fragment.
8670         * config/i386/t-linux64: New file.
8671
8672 2002-02-08  Jakub Jelinek  <jakub@redhat.com>
8673
8674         * c-common.c (c_expand_expr): Revert 2002-02-06 patch.
8675         * c-parse.in (compstmt): Clear last_expr_type.
8676
8677 2002-02-07  Richard Henderson  <rth@redhat.com>
8678
8679         * loop.c (strength_reduce): Sink final_value when not
8680         eliminating a biv.
8681
8682 2002-02-07  David O'Brien  <obrien@FreeBSD.org>
8683
8684         * config/sparc/freebsd.h: Fix mismatched spec {.
8685
8686 2002-02-07  Richard Henderson  <rth@redhat.com>
8687
8688         * cfgrtl.c: Include recog.h and insn-config.h.
8689         (keep_with_call_p): Fix general_operand invocation.
8690         * Makefile.in (cfgrtl.o): Update dependencies.
8691
8692 2002-02-07  Kazu Hirata  <kazu@hxi.com>
8693
8694         * config/h8300/h8300.c (two_insn_adds_subs_operand): Revise a
8695         comment.  Accept HImode only if TARGET_H8300.
8696
8697 2002-02-07  Eric Christopher  <echristo@redhat.com>
8698
8699         * config/mips/crtn.asm: Cleanup #ifdefs.
8700
8701 2002-02-07  Eric Christopher  <echristo@redhat.com>
8702
8703         * config/mips/crti.asm: Add changes for mips16. mips16 uses
8704         register 7 as RA instead of $31.
8705         * config/mips/crtn.asm: Ditto.
8706         * config/mips/mips.c (mips_move_2words): Add case for
8707         TARGET_MIPS16 when HOST_BITS_PER_WIDE_INT >= 64.
8708         (compute_frame_size): Fix typo.
8709         (save_restore_insns): Ditto.  Make documentation about using
8710         register $7 as return register more precise.
8711         (mips_expand_epilogue): Fix comment. Add code to work around not
8712         being able to add to the stack pointer directly.
8713         * config/mips/mips.h (EH_RETURN_DATA_REGNO): Change register number
8714         to 2 for TARGET_MIPS16 as we need 6 and 7 as clobbers in the
8715         epilogue.
8716
8717 2002-02-07  Tom Rix  <trix@redhat.com>
8718
8719         * config/rs6000/rs6000.c (reg_or_aligned_short_operand): New. For
8720         immediates in ldu and stdu DS opcode field.
8721         * config/rs6000/rs6000.md (movdi_update, movdi_update1): Use.
8722         * config/rs6000/rs6000-protos.h: Add reg_or_aligned_short_operand.
8723         * config/rs6000/rs6000.h (PREDICATE_CODES): Same.
8724
8725 2002-02-07  Jeff Sturm  <jsturm@one-point.com>
8726
8727         * config/sparc/sparc.c (compute_frame_size): Don't correct frame
8728         offset for stack bias.
8729
8730 2002-02-07  H.J. Lu <hjl@gnu.org>
8731
8732         * config/mips/linux.h (SUBTARGET_ASM_DEBUGGING_SPEC): Defined.
8733
8734 2002-02-07  Ulrich Weigand  <uweigand@de.ibm.com>
8735
8736         * testsuite/gcc.dg/cpp/charconst-2.c: Add -fsigned-char option.
8737
8738 Thu Feb  7 12:14:17 CET 2002  Jan Hubicka  <jh@suse.cz>
8739
8740         * i386-protos.h (x86_order_regs_for_local_alloc): Declare
8741         * i386.c (x86_order_regs_for_local_alloc): New global function.
8742         * i386.h (REG_ALLOC_ORDER): CLeanup.
8743         (ORDER_REGS_FOR_LOCAL_ALLOC): New.
8744
8745 2002-02-07  Richard Henderson  <rth@redhat.com>
8746
8747         PR optimization/2463
8748         * alias.c (find_base_value): Recall base values for fixed hard regs.
8749         * loop.c (loop_regs_update): Don't use single_set on non-insns.
8750
8751 2002-02-07  Alexandre Oliva  <aoliva@redhat.com>
8752
8753         * config/mips/mips.md (define_delay) [mips16]: Adjust required
8754         length.
8755
8756 2002-02-06  Richard Henderson  <rth@redhat.com>
8757
8758         PR c/5609
8759         * stmt.c (resolve_operand_name_1): Take more care with mixed
8760         named and unnamed operands.
8761
8762 2002-02-06  Janis Johnson  <janis187@us.ibm.com>
8763             Jan Hubicka  <jh@suse.cz>
8764
8765         * loop.c (remove_constant_addition): Avoid clobbering a shared
8766         CONST expression.
8767
8768 2002-02-06  Ulrich Weigand  <uweigand@de.ibm.com>
8769
8770         * config.gcc (s390x-*-linux*): Add t-linux64 makefile fragment.
8771         * config/s390/t-linux64: New file.
8772         * config/s390/libgcc-glibc.ver: New file.
8773
8774 2002-02-06  Ulrich Weigand  <uweigand@de.ibm.com>
8775
8776         * config/s390/linux64.h: Delete file.
8777         * config/s390/s390x.h: New file.
8778         * config.gcc (s390x-*-linux*): Use s390x.h instead of linux64.h
8779         as target header file.
8780         * config/s390/linux.h (TARGET_VERSION): Define depending on
8781         DEFAULT_TARGET_64BIT.
8782         (CPP_SPEC, ASM_SPEC, LINK_SPEC): Likewise.
8783         (SIZE_TYPE, PTRDIFF_TYPE): Likewise.
8784         (NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_PTRDIFF_TYPE): Define.
8785         (CPP_ARCH31_SPEC, CPP_ARCH64_SPEC): New defines.
8786         (LINK_ARCH31_SPEC, LINK_ARCH64_SPEC): New defines.
8787         (EXTRA_SPEC): New define.
8788         * config/s390/s390.h (TARGET_VERSION): Define depending on
8789         DEFAULT_TARGET_64BIT.
8790         (MASK_RETURN_ADDR): Add run-time check for TARGET_64BIT.
8791
8792 2002-02-06  Jason Merrill  <jason@redhat.com>
8793
8794         * c-decl.c (finish_function): Warn about a non-void function with
8795         no return statement and no abnormal exit.
8796         (current_function_returns_abnormally): New variable.
8797         (start_function): Clear it.
8798         (struct c_language_function): Add returns_abnormally.
8799         (push_c_function_context): Save it.
8800         (pop_c_function_context): Restore it.
8801         (builtin_function): Set TREE_THIS_VOLATILE on return fns.
8802         (grokdeclarator): Set C_FUNCTION_IMPLICIT_INT on functions without
8803         an explicit return type.
8804         * c-tree.h: Declare current_function_returns_abnormally.
8805         (C_FUNCTION_IMPLICIT_INT): New macro.
8806         * c-typeck.c (build_function_call): Set it.
8807         (c_expand_return): Set current_function_returns_value even if the
8808         value is erroneous.
8809
8810 2002-02-06  Jakub Jelinek  <jakub@redhat.com>
8811
8812         PR c/5420:
8813         * c-common.c (c_unsafe_for_reeval): Make COMPOUND_LITERAL_EXPR
8814         unsafe for reevaluation.
8815
8816 2002-02-06  Jakub Jelinek  <jakub@redhat.com>
8817
8818         PR c/5482:
8819         * c-common.c (c_expand_expr) [STMT_EXPR]: If last expression is not
8820         EXPR_STMT, but COMPOUND_STMT, recurse into it.
8821
8822 2002-02-06  Richard Henderson  <rth@redhat.com>
8823
8824         * cfganal.c (keep_with_call_p): Source for fixed_reg dest must
8825         be a general_operand.  Dest for function value must be a pseudo.
8826
8827 2002-02-06  Nick Clifton  <nickc@cambridge.redhat.com>
8828
8829         * dbxout.c (dbxout_symbol_location): Accept LABEL_REFs as well
8830         as SYMBOL_REFs from the constant pool.
8831
8832 2002-02-06  Alexandre Oliva  <aoliva@redhat.com>
8833
8834         * dbxout.c (dbxout_parms): Apply DEBUGGER_ARG_OFFSET to parameters
8835         passed by invisible reference.
8836
8837 2002-02-05  Richard Henderson  <rth@redhat.com>
8838
8839         * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): No stack bias.
8840
8841 2002-02-06  Hans-Peter Nilsson  <hp@bitrange.com>
8842
8843         Implement using "base addresses" in insn operands as default.
8844         * config/mmix/mmix.c (mmix_conditional_register_usage): if
8845         -mabi=gnu, modify fixed_regs to fit the GNU ABI.
8846         (mmix_extra_constraint): Use 'R' to indicate that GETA should be
8847         used to read the rtx value.
8848         (mmix_target_asm_function_epilogue): Fix spacing.
8849         (mmix_constant_address_p): Handle TARGET_BASE_ADDRESSES.
8850         (mmix_legitimate_address): Ditto.
8851         (mmix_encode_section_info): Set SYMBOL_REF_FLAG on rtx:es that
8852         should be loaded with a GETA insn.  Don't allocate needless extra
8853         char for nul termination and fix misleading comment.
8854         (mmix_print_operand_address): Handle constants if
8855         TARGET_BASE_ADDRESSES.
8856         (mmix_output_register_setting): Use base addressing if
8857         TARGET_BASE_ADDRESSES and the number of insns is 3.
8858         * config/mmix/t-mmix (MULTILIB_EXTRA_OPTS): New.
8859         * config/mmix/mmix.md ("movdi"): Change the alternative with GETA
8860         to use R as constraint, add LDA to match s.
8861         * config/mmix/mmix.h (TARGET_BASE_ADDRESSES): New.
8862         (TARGET_DEFAULT): Add TARGET_MASK_BASE_ADDRESSES.
8863         (TARGET_SWITCHES): Add -mbase-addresses, -mno-base-addresses.
8864         (FIXED_REGISTERS): Make registers $231..$246 fixed by default.
8865         (MMIX_MMIXWARE_ABI_REG_ALLOC_ORDER): Move $231..$246 last, in
8866         order with other fixed registers.
8867         (MMIX_GNU_ABI_REG_ALLOC_ORDER): Put forward $231, in order with
8868         other parameter/call-clobbered registers.
8869         * doc/invoke.texi (Option Summary) <MMIX Options>: Add
8870         -mbase-addresses, -mno-base-addresses.
8871         (MMIX Options): Ditto.
8872
8873 2002-02-05  John David Anglin  <dave@hiauly1.hia.nrc.ca>
8874
8875         * pa.h (PREDICATE_CODES): Add reg_before_reload_operand.
8876
8877 2002-02-06  Aldy Hernandez  <aldyh@redhat.com>
8878
8879         * config/rs6000/altivec.h: Change elem to _S_elem.
8880
8881 2002-02-05  Jason Thorpe  <thorpej@wasabisystems.com>
8882
8883         * config/netbsd.h (WCHAR_TYPE): Define.
8884         (WCHAR_TYPE_SIZE): Ditto.
8885         (WINT_TYPE): Ditto.
8886         * config/alpha/netbsd.h (WCHAR_TYPE): Remove.
8887         (WCHAR_UNSIGNED): Ditto.
8888         (WCHAR_TYPE_SIZE): Ditto.
8889         (WINT_TYPE): Ditto.
8890         * config/arm/netbsd.h: Likewise.
8891         * config/i386/netbsd-elf.h: Likewise.
8892         * config/i386/netbsd.h: Likewise.
8893         * config/m68k/netbsd-elf.h: Likewise.
8894         * config/m68k/netbsd.h: Likewise.
8895         * config/ns32k/netbsd.h: Likewise.
8896         * config/sparc/netbsd.h: Likewise.
8897         * config/vax/netbsd.: Likewise.
8898
8899 2002-02-05  Alexandre Oliva  <aoliva@redhat.com>
8900
8901         * target.h (struct gcc_target): Added ms_bitfield_layout_p.
8902         * target-def.h (TARGET_MS_BITFIELD_LAYOUT_P): New.  Added to...
8903         (TARGET_INITIALIZER): this.
8904         * doc/tm.texi (TARGET_MS_BITFIELD_LAYOUT_P): Document.
8905         (BITFIELD_NBYTES_LIMITED): Markup fix.
8906         * tree.h (default_ms_bitfield_layout_p): Declare.
8907         (record_layout_info): Added prev_field.
8908         * tree.c (default_ms_bitfield_layout_p): New fn.
8909         * c-decl.c (finish_struct): Disregard EMPTY_FIELD_BOUNDARY and
8910         PCC_BITFIELD_TYPE_MATTERS for MS bit-field layout.
8911         * stor-layout.c: Include target.h.
8912         (start_record_layout): Initialize prev_field.
8913         (place_field): Handle MS bit-field layout, and disregard
8914         EMPTY_FIELD_BOUNDARY, BITFIELD_NBYTES_LIMITED and
8915         PCC_BITFIELD_TYPE_MATTERS in this case.  Update prev_field.
8916         * Makefile.in (stor-layout.o): Adjust dependencies.
8917
8918 2002-02-05  Jason Merrill  <jason@redhat.com>
8919
8920         * collect2.c (dump_file): Pass DMGL_VERBOSE to cplus_demangle.
8921
8922 2002-02-05  Andreas Jaeger  <aj@suse.de>
8923
8924         * crtstuff.c: Fix comments.
8925
8926 2002-02-05  Richard Henderson  <rth@redhat.com>
8927
8928         PR fortran/3393
8929         * loop.c (loop_iv_add_mult_emit_before): Copy multiplier as well.
8930         (loop_iv_add_mult_sink, loop_iv_add_mult_hoist): Likewise.
8931
8932         PR fortran/3392
8933         * config/mips/mips.c (function_arg): Handle TImode.
8934         (function_arg_advance): Likewise.
8935
8936 2002-02-05  Aldy Hernandez  <aldyh@redhat.com>
8937
8938         * config/rs6000/altivec.h (vec_step_help): Rename to
8939         __vec_step_help.
8940
8941 2002-02-05  Aldy Hernandez  <aldyh@redhat.com>
8942
8943         * config/rs6000/altivec.h: Fix typos.
8944
8945 2002-02-05  Jason Thorpe  <thorpej@wasabisystems.com>
8946
8947         * config/arm/netbsd.h: Correct a comment.
8948
8949 2002-02-05  Aldy Hernandez  <aldyh@redhat.com>
8950
8951         * config/rs6000/rs6000.c (altivec_init_builtins): Fix typo
8952         building void typed builtins.
8953
8954         * config/rs6000/altivec.h (vec_ld*): Fix typos.
8955         (vec_step): Implement for C++.
8956
8957 Mon Feb  4 19:23:19 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8958
8959         * final.c (final_scan_insn): Add case for NOTE_INSN_LOOP_END_TOP_COND.
8960
8961 2002-02-04  Richard Henderson  <rth@redhat.com>
8962
8963         * combine.c (nonzero_bits): Re-introduce special case for
8964         sp/fp/ap wrt REGNO_POINTER_ALIGN.
8965
8966 2002-02-05  Aldy Hernandez  <aldyh@redhat.com>
8967
8968         * doc/extend.texi: Warn about unsupported usage of altivec
8969         builtins.
8970
8971         * config/rs6000/rs6000.md (altivec_vcmp*_p): Remove.
8972         (altivec_predicate_*): New.
8973
8974         * config/rs6000/altivec.h: Rewrite predicates to use new builtins.
8975         Add C++ version of vec_*() functions.
8976
8977         * config/rs6000/rs6000.c (bdesc_altivec_preds): New.
8978         (bdesc_2arg): Remove altivec predicates.
8979         (altivec_expand_builtin): Handle predicates.
8980         (altivec_init_builtins): Handle predicates.
8981         (altivec_expand_predicate_builtin): New.
8982
8983 2002-02-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>
8984
8985         * pa.c (DO_FRAME_NOTES): Move forward.
8986         (store_reg): Revise handling of frame notes.
8987         (load_reg): Likewise.
8988         (set_reg_plus_d): Likewise.
8989         (hppa_expand_prologue): Likewise.
8990         (hppa_expand_epilogue): Likewise.
8991
8992 2002-02-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>
8993
8994         * unwind-dw2-fde-glibc.c: Define _GNU_SOURCE if not defined.
8995
8996 2002-02-04  Jakub Jelinek  <jakub@redhat.com>
8997
8998         PR c/4475, c++/3780:
8999         * c-common.def (SWITCH_STMT): Add SWITCH_TYPE operand.
9000         * c-common.h (SWITCH_TYPE): Define.
9001         * c-typeck.c (c_start_case): Set SWITCH_TYPE.
9002         * stmt.c (all_cases_count): Set lastval to thisval at end of loop.
9003         Rename spareness variable to sparseness.
9004         (expand_end_case_type): Renamed from expand_end_case, use orig_type
9005         if non-NULL instead of TREE_TYPE (orig_index).
9006         * tree.h (expand_end_case_type): Renamed from expand_end_case.
9007         (expand_end_case): Define using expand_end_case_type.
9008         * c-semantics.c (genrtl_switch_stmt): Pass SWITCH_TYPE
9009         to expand_end_case_type.
9010         * doc/c-tree.texi (SWITCH_STMT): Document SWITCH_TYPE.
9011
9012 2002-02-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>
9013
9014         * pa.h (PREFERRED_STACK_BOUNDARY): Define to match standard rounding.
9015         (BIGGEST_ALIGNMENT): Change to 128.
9016
9017 2002-02-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>
9018
9019         * pa32-linux.h (LINK_COMMAND_SPEC): Define.
9020
9021 2002-02-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>
9022
9023         * pa.md (call_internal_reg_64bit): Remove unused variable.
9024
9025 2002-02-04  Nick Clifton  <nickc@cambridge.redhat.com>
9026
9027         * config/arm/arm.h (machine_function): Add uses_anonymous_args
9028         field.
9029         (SETUP_INCOMING_VARARGS): Set uses_anonymous_args.
9030         * config/arm/arm.c (current_function_anonymous_args): Delete,
9031         replace uses with cfun->machine->uses_anonymous_args.
9032         (arm_reorg): Do not reset uses_anonymous_args.
9033
9034         * config/arm/arm.c (arm_hard_regno_mode_ok): Allow any value in
9035         any geenral register.
9036
9037 2001-02-04  Bernd Schmidt  <bernds@redhat.com>s
9038
9039         * cfgrtl.c (force_nonfallthru_and_redirect): Don't try to redirect
9040         the entry block.
9041
9042 2002-02-04  Richard Henderson  <rth@redhat.com>
9043
9044         * combine.c (force_to_mode): Remove STACK_BIAS code.
9045         (nonzero_bits): Likewise.  Replace sp/fp special case with
9046         REGNO_POINTER_ALIGN.
9047
9048         * config/sparc/sparc.h (FRAME_POINTER_REGNUM): Change to SFP.
9049         (HARD_FRAME_POINTER_REGNUM): New.
9050         (FIRST_PSEUDO_REGISTER, REG_CLASS_CONTENTS): Update.
9051         (FIXED_REGS, CALL_USED_REGS): Update.
9052         (REG_ALLOC_ORDER, REGISTER_NAMES): Update.
9053         (CONDITIONAL_REGISTER_USAGE): Update for HFP.
9054         (HARD_REGNO_NREGS): Update for SFP.
9055         (STACK_POINTER_OFFSET): Include bias here ...
9056         (FIRST_PARM_OFFSET): ... not here.
9057         (STACK_BIAS): Remove.
9058         (INIT_EXPANDERS): New.
9059         (STARTING_FRAME_OFFSET): Do not include bias.
9060         (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
9061         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Update for SFP.
9062         (REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Likewise.
9063         * config/sparc/aout.h (DBX_REGISTER_NUMBER): Update for HFP.
9064         * config/sparc/litecoff.h, config/sparc/sol2.h: Likewise.
9065         * config/sparc/sparc.c (mem_min_alignment): Update for HFP.
9066         (sparc_nonflat_function_prologue, epilogue_renumber): Likewise.
9067         (MUST_SAVE_REGISTER): Likewise.
9068         (sparc_flat_function_prologue): Likewise.
9069         (sparc_flat_function_epilogue): Likewise.
9070         (HARD_FRAME_POINTER_MASK): Rename from FRAME_POINTER_MASK.
9071         (sparc_init_modes): SFP is GENERAL_REGS.
9072         (sparc_builtin_saveregs): SFP does not have bias applied.
9073
9074 2002-02-04  Richard Henderson  <rth@redhat.com>
9075
9076         * config/alpha/alpha.c (current_function_is_thunk): Don't check
9077         current_function_is_thunk.
9078         (alpha_sa_mask): Distinguish between current_function_is_thunk
9079         called from ASM_OUTPUT_MI_THUNK and not.
9080         (alpha_does_function_need_gp): Thunks always need gp.
9081         (alpha_start_function, alpha_output_function_end_prologue): Likewise.
9082         (alpha_output_mi_thunk_osf): New.
9083         * config/alpha/alpha-protos.h: Update.
9084         * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): New.
9085
9086 2002-02-04  Richard Sandiford  <rsandifo@redhat.com>
9087
9088         * c-typeck.c (build_c_cast): Warn when qualifiers are added to
9089         function types, not when they're taken away.
9090
9091 Mon Feb  4 09:05:58 2002  Jeffrey A Law  (law@redhat.com)
9092
9093         * cfgrtl.c (try_redirect_by_replacing_jump): Remove associated
9094         CODE_LABEL and jump table when replacing a table jump with a
9095         simple jump.
9096
9097 2002-02-04  Ulrich Weigand  <uweigand@de.ibm.com>
9098
9099         * config/s390/s390-protos.h (legitimize_la_operand,
9100         s390_secondary_input_reload_class, s390_plus_operand,
9101         s390_expand_plus_operand): Add prototypes.
9102
9103         config/s390/s390.c (s390_secondary_input_reload_class,
9104         s390_plus_operand, s390_expand_plus_operand): New functions.
9105
9106         (struct s390_address): New member 'pointer'.
9107         (s390_decompose_address): Compute it.
9108         (legitimate_la_operand_p): Use it.
9109         (legitimize_la_operand): New function.
9110         (movti, movdi, movdf splitters): Call it.
9111
9112         config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS): Define.
9113         (PREDICATE_CODES): Add s390_plus_operand.
9114
9115         config/s390/s390.md (adddi3_inv_64, addaddr_ccclobber): Delete.
9116         (la_ccclobber): Allow GENERAL_REGS as output operand.
9117
9118         (reload_load_address, *reload_load_address_reg_0, *la, *do_la_reg_0,
9119         *reload_la_64, *reload_la_31 and splitters): Delete, replace by ...
9120         (*la_64, *la_31, reload_indi, reload_insi): ... these.
9121
9122 2002-02-04  Ulrich Weigand  <uweigand@de.ibm.com>
9123
9124         * gcc/config/s390/s390.h (CRT_CALL_STATIC_FUNCTION): Fixed
9125         register names for regular asm () construct.
9126
9127 2002-02-04  Jakub Jelinek  <jakub@redhat.com>
9128
9129         * config/i386/i386.md (movsf_1): Allow moving SF values in MMX
9130         registers.
9131
9132 2002-02-04  Jakub Jelinek  <jakub@redhat.com>
9133
9134         * combine.c (recog_for_combine): Create a dummy insn with PATTERN
9135         pat for recog.
9136
9137 2002-02-04  Hartmut Penner  <hpenner@de.ibm.com>
9138
9139         * varasm.c (decode_rtx_const): Allow unspec (symbol_ref) in
9140         constant pool to be identical by string address and index.
9141
9142 2002-02-04  Anthony Green  <green@redhat.com>
9143
9144         * output.h (SECTION_OVERRIDE): Define.
9145         * varasm.c (named_section): Obey SECTION_OVERRIDE.
9146
9147 2002-02-03  Jason Thorpe  <thorpej@wasabisystems.com>
9148
9149         * config.gcc (arm*-*-netbsdelf*): Placeholder to prevent match
9150         by existing arm*-*-netbsd* (a.out) target.
9151         (ns32k-*-netbsdelf*): Likewise.
9152         (sparc-*-netbsdelf*): Likewise.
9153         (vax-*-netbsdelf*): Likewise.
9154
9155 2002-02-03  Danny Smith <dannysmith@users.sourceforge.net>
9156
9157         * gthr-win32.h: Protect against conflicting typedef for BOOL in windows
9158         headers and libobjc headers.
9159
9160 2002-02-03  Mumit Khan  <khan@nanotech.wisc.edu>
9161
9162         * gthr-win32.h (__mingwthr_key_dtor): Use extern "C" linkage for C++.
9163         (_mingw.h): Remove duplicate include.
9164
9165 2002-02-03  Jason Thorpe  <thorpej@wasabisystems.com>
9166
9167         * config.gcc: Set cpu_type to m68k for 68010, as well.
9168         (m68010-*-netbsdelf*): New...
9169         (m68k*-*-netbsdelf*): ...targets.
9170         * config/m68k/netbsd-elf.h: New file.
9171
9172 2002-02-02  Kazu Hirata  <kazu@hxi.com>
9173
9174         * config/h8300/h8300.c (hand_list): Move inside function_arg.
9175
9176 2002-02-02  Kazu Hirata  <kazu@hxi.com>
9177
9178         * config/h8300/h8300.c (h8_push_ops): Move inside
9179         h8300_init_once.
9180         (h8_pop_ops): Likewise.
9181         (h8_move_ops): Likewise.
9182
9183 2002-02-02  Kazu Hirata  <kazu@hxi.com>
9184
9185         * config/h8300/h8300.c (os_task): Make it static.
9186         (monitor): Likewise.
9187         (pragma_saveall): Likewise.
9188
9189 2002-02-02  Alexandre Oliva  <aoliva@redhat.com>
9190
9191         * config/sh/sh.md (ic_invalidate_line): Make sure the immediate
9192         constant is a valid sign-extension for Pmode.
9193
9194 2002-02-02  Kazu Hirata  <kazu@hxi.com>
9195
9196         * config/h8300/h8300.c: Fix formatting.
9197
9198 2002-02-02  Kazu Hirata  <kazu@hxi.com>
9199
9200         * config/h8300/h8300.md: Fix formatting.
9201
9202 2002-02-02  Kazu Hirata  <kazu@hxi.com>
9203
9204         * config/h8300/h8300.md (one_cmpl patterns): Tighten the
9205         predicates of operands[1].  Split the patterns for each
9206         processor variant.
9207
9208 2002-02-02  Kazu Hirata  <kazu@hxi.com>
9209
9210         * config/h8300/h8300.md (xor patterns): Tighten the predicates
9211         of operands[1] to register_operand.
9212
9213 2002-02-02  Neil Booth  <neil@daikokuya.demon.co.uk>
9214
9215         * cpphash.h (struct spec_nodes): Remove n__CHAR_UNSIGNED__.
9216         * cpphash.c (_cpp_init_hashtable): Similarly.
9217         * cppinit.c (cpp_create_reader): Default the signed_char flag.
9218         (init_builtins): Define __CHAR_UNSIGNED__ appropriately.
9219         (COMMAND_LINE_OPTIONS): Recognise -f{un,}signed-char.
9220         (cpp_handle_option): Handle the new options.
9221         * cpplex.c (cpp_interpret_charconst): Use new flag.
9222         * cpplib.h (struct cpp_options): New member signed_char.
9223         * gcc.c (cpp_unique_options): Remove %c spec and documentation.
9224         (cpp_options): Handle -fsigned-char and -funsigned-char.
9225         (static_specs): Remove signed_char_spec.
9226         (do_spec1): Don't handle %c.
9227         * system.h: Poison SIGNED_CHAR_SPEC.
9228         * tradcif.y (yylex): Use flag_signed_char.
9229         * tradcpp.h (flag_signed_char): New.
9230         * tradcpp.c (flag_signed_char): New.
9231         (main): Handle new command-line options.
9232         (initialize_builtins): Define __CHAR_UNSIGNED__ if appropriate.
9233 config:
9234         * alpha/alpha.h (SIGNED_CHAR_SPEC): Remove.
9235         * avr/avr.h: Remove old comments.
9236         * i960/i960.h (CPP_SPEC): Pass -fsigned-char if -mic*.
9237         (CC1_SPEC): Pass -fsigned-char if -mic*.
9238         (SIGNED_CHAR_SPEC): Remove.
9239 doc:
9240         * tm.texi (SIGNED_CHAR_SPEC): Remove documentation.
9241
9242 2002-02-01  Eric Christopher  <echristo@redhat.com>
9243
9244         From Daniel Jacobowitz <dmj+@andrew.cmu.edu>
9245         * config/mips/mips.h (FUNCTION_PROFILER): Fix function profiling.
9246         * config/mips/linux.h (ASM_OUTPUT_REG_PUSH): Undefine.
9247         (ASM_OUTPUT_REG_POP): Ditto.
9248
9249 2002-02-02  Neil Booth  <neil@daikokuya.demon.co.uk>
9250
9251         * c-decl.c, tree.c, tree.h, objc/objc-act.c: Revert bitfield
9252         patch.
9253
9254 2002-02-02  Jakub Jelinek  <jakub@redhat.com>
9255
9256         * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Add missing | separators.
9257
9258 2002-02-02  Jakub Jelinek  <jakub@redhat.com>
9259
9260         PR c/5304:
9261         * expmed.c (expand_mult_highpart): Use immed_double_const for wide_op1
9262         unconditionally.
9263
9264 2002-02-01  Janis Johnson  <janis187@us.ibm.com>
9265
9266         * cfganal.c: Include tm_p.h.
9267         (keep_with_call_p): Fix the test that determines if a register holds
9268         the return value of a call.
9269
9270 2002-02-01  DJ Delorie  <dj@redhat.com>
9271
9272         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): If
9273         we are given conflicting registers, switch to the other one we
9274         had allocated for us.
9275         * config/sparc/sparc.md (reload_indi, reload_outdi): Pass op[2]
9276         as TImode so we know when the "other" register is available.
9277
9278 2002-02-01  David O'Brien  <obrien@FreeBSD.org>
9279
9280         * config/sparc/sol2-sld-64.h: Include sparc/biarch64.h rather than
9281         sparc/sparc_bi.h.
9282
9283 2002-02-01  Janis Johnson  <janis187@us.ibm.com>
9284
9285         * cfganal.c (keep_with_call_p): New function.
9286         (flow_call_edges_add): Prevent splitting a block between a call and
9287         a single-set instruction that should be kept in the same block.
9288
9289 2002-02-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
9290
9291         * doc/install.texi (avr): Update outdated URL.
9292
9293 2002-01-30  Andrew Haley  <aph@cambridge.redhat.com>
9294
9295         * config/stormy16/stormy16.md (pushqi): New.
9296         (popqi): New.
9297         (pushhi): New.
9298         (pophi): New.
9299         (movhi): Remove stack operands.
9300         (movqi): Likewise.
9301         * config/stormy16/stormy16.h (PREDICATE_CODES): Add
9302         nonimmediate_nonstack_operand.
9303         * config/stormy16/stormy16.c (nonimmediate_nonstack_operand):
9304         New.
9305         * config/stormy16/stormy16-protos.h (nonimmediate_nonstack_operand)
9306         New.
9307
9308 2002-01-31  Jason Merrill  <jason@redhat.com>
9309
9310         * Makefile.in (c-parse.c): Handle .output file.
9311         * objc/Make-lang.in (objc-parse.c): Likewise.
9312
9313 2002-02-01  Alexandre Oliva  <aoliva@redhat.com>
9314
9315         * config/mips/mips.h (ENDIAN_SPEC): Output the endianness flag if
9316         the -me[lb] option is given.  Don't output the default flag
9317         twice.
9318
9319 2002-01-31  Zack Weinberg  <zack@codesourcery.com>
9320
9321         * c-lex.c (yyparse): Call debug_hooks->start_source_file for
9322         the primary source file; this has not been done yet.
9323         * c-decl.c (c_expand_body): Reset input_filename from
9324         DECL_SOURCE_FILE (fndecl) before calling init_function_start.
9325
9326 2002-01-31  Kazu Hirata  <kazu@hxi.com>
9327
9328         * rtlanal.c (subreg_regno_offset): Do not use
9329         SUBREG_REGNO_OFFSET.
9330         * system.h: Add SUBREG_REGNO_OFFSET to the GCC poison list.
9331         * doc/tm.texi (SUBREG_REGNO_OFFSET): Remove.
9332
9333 2002-01-31  Joseph S. Myers  <jsm28@cam.ac.uk>
9334
9335         * gccbug.in: Follow GNU Coding Standards for --version.  Use GCC
9336         version rather than GNATS version in --version output.
9337
9338 2002-01-31  Richard Sandiford  <rsandifo@redhat.com>
9339
9340         * ifcvt.c (noce_process_if_block): Make a copy of the destination
9341         when copying back from a temporary.
9342
9343 2002-01-30  Richard Henderson  <rth@redhat.com>
9344
9345         * ifcvt.c (dead_or_predicable): Handling merging when other_bb
9346         and new_dest are the same.
9347
9348 2002-01-30  Richard Henderson  <rth@redhat.com>
9349
9350         PR opt/5076
9351         * rtl.h (NOTE_INSN_LOOP_END_TOP_COND): New.
9352         * rtl.c (note_insn_name): Update.
9353         * emit-rtl.c (remove_unnecessary_notes): Kill it.
9354         * stmt.c (expand_end_loop): Kill jump opt code.  Use LOOP_END_TOP_COND
9355         to perform loop rotation.
9356         (expand_exit_loop_top_cond): New.
9357         * tree.h (expand_exit_loop_top_cond): Declare it.
9358         * c-semantics.c (genrtl_while_stmt): Use it.
9359         (genrtl_for_stmt): Likewise.
9360
9361 2002-01-30  Alexandre Oliva  <aoliva@redhat.com>
9362
9363         * config/mips/mips.h (PARM_BOUNDARY): Guarantee alignment of
9364         arguments to 64-bit boundaries on 64-bit ABIs.
9365
9366 2002-01-30  Steve Ellcey  <sje@cup.hp.com>
9367
9368         * loop.c (loop_invariant_p): Special case pic_offset_table_rtx.
9369
9370 2002-01-31  Joseph S. Myers  <jsm28@cam.ac.uk>
9371
9372         * c-decl.c (grokdeclarator): Handle type being a typedef for an
9373         invalid type.
9374
9375 2002-01-30  David O'Brien  <obrien@FreeBSD.org>
9376
9377         * config.gcc: Include sparc/biarch64.h rather than sparc/sparc_bi.h.
9378         * config/sparc/sparc_bi.h: Remove file.
9379         * config/sparc/biarch64.h: New file (rename of sparc_bi.h).
9380
9381 2002-01-30  Richard Henderson  <rth@redhat.com>
9382
9383         * sched-deps.c (sched_analyze): Make a call read the frame pointer.
9384
9385 2002-01-30  Zack Weinberg  <zack@codesourcery.com>
9386
9387         * expmed.c (emit_store_flag): Call protect_from_queue on op0 and op1.
9388
9389 2002-01-30  Jason Merrill  <jason@redhat.com>
9390
9391         * dwarf2out.c (dwarf_cfi_name): Add other DWARF 3 codes.
9392         (output_cfi): Likewise. Disable DW_CFA_GNU_negative_offset_extended.
9393         (reg_save): Use DW_CFA_offset_extended_sf instead.
9394
9395         * dwarf2out.c (dwarf2out_finish): Don't abort if there were errors.
9396
9397 2002-01-29  Jakub Jelinek  <jakub@redhat.com>
9398
9399         * cselib.c (cselib_record_sets): Use IF_THEN_ELSE result
9400         in cselib_lookup.
9401
9402 2002-01-29  Aldy Hernandez  <aldyh@redhat.com>
9403
9404         * rs6000.md ("*call_value_local32"): Remove constraints.
9405         ("*call_value_local64"): Same.
9406         ("*call_value_indirect_nonlocal_aix32"): Same.
9407         ("*call_value_nonlocal_aix32"): Same.
9408         ("*call_value_indirect_nonlocal_aix64"): Same.
9409         ("*call_value_nonlocal_aix64"): Same.
9410         ("*call_value_nonlocal_sysv"): Same.
9411
9412 2002-01-29  Richard Henderson  <rth@redhat.com>
9413
9414         * config/alpha/elf.h (SDB_DEBUGGING_INFO): Undef.
9415
9416 2002-01-29  Richard Henderson  <rth@redhat.com>
9417
9418         * expr.c (force_operand): Ignore flag_pic for detecting pic
9419         address loads.
9420         * regclass.c (init_reg_sets_1): Test fixed_regs not flag_pic
9421         for determining if PIC_OFFSET_TABLE_REGNUM is call-clobbered.
9422         * resource.c (mark_target_live_regs): Use regs_invalidated_by_call
9423         instead of open-coded loop.
9424         * doc/tm.texi (PIC_OFFSET_TABLE_REGNUM): Clarify that it must
9425         be fixed when in use.
9426
9427 2002-01-29  Richard Henderson  <rth@redhat.com>
9428
9429         * sched-int.h (struct deps_reg): Add uses_length, clobbers_length.
9430         * sched-rgn.c (propagate_deps): Update them.
9431         * sched-deps.c (sched_analyze_insn): Update them.  Flush the
9432         clobbers list when either gets too long.
9433
9434 2002-01-29  Jakub Jelinek  <jakub@redhat.com>
9435
9436         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Handle LEGACY_REGS
9437         and INDEX_REGS the same as GENERAL_REGS.
9438         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
9439
9440 2002-01-29  Neil Booth  <neil@daikokuya.demon.co.uk>
9441
9442         * tree.c (build_nonstandard_integer_type): Correct prototype.
9443
9444 2002-01-29  Ulrich Weigand  <uweigand@de.ibm.com>
9445
9446         * config/s390/s390.md (movstrsico, movstrdix_64,
9447         movstrsix_31): Remove, replace by ...
9448         (movstrdi_short, movstrsi_short, movstrdi_long,
9449         movstrsi_long): ... these.  New.
9450         (movstrdi, movstrsi): Adapt.
9451
9452         (rotldi3, rotlsi3, ashldi3, *ashldi3_31, *ashldi3_64,
9453         ashlsi3, lshrdi3, *lshrdi3_31, *lshrdi3_64, lshrsi3):
9454         Remove unnecessary CC clobber.
9455         (*ashrdi3_cc_31, *ashrdi3_cconly_31, *ashrdi3_cc_64,
9456         *ashrdi3_cconly_64, *ashrsi3_cc, *ashrsi3_cconly): New.
9457
9458         (divmoddi4): Don't partially initialize TImode register.
9459
9460 2002-01-29  Geoffrey Keating  <geoffk@redhat.com>
9461
9462         * doc/sourcebuild.texi (C Tests): Document gcc.dg/debug directory.
9463
9464 2002-01-29  Richard Henderson  <rth@redhat.com>
9465
9466         * flow.c (print_rtl_and_abort): Remove.
9467         (print_rtl_and_abort_fcn): Remove.
9468         (verify_local_live_at_start): Use dump_bb instead.
9469         (verify_wide_reg): Likewise. Take a basic_block, not rtl endpoints.
9470         (verify_wide_reg_1): Return 2 on mode test failure.
9471
9472 2002-01-29  Neil Booth  <neil@daikokuya.demon.co.uk>
9473
9474         PR c/3325, c/3326, c/2511, c/3347
9475         * c-decl.c (enum_decl_context): Remove BITFIELD.
9476         (grokdeclarator): Take bitfield width as an input.
9477         Ensure bitfields are given the correct type.  Perform
9478         bitfield width validation with build_bitfield_integer_type
9479         rather than waiting for finish_struct.
9480         (grok_typename, grok_typename_in_parm_context, start_decl,
9481         push_parmdecl, grokfield, start_function): Update calls to
9482         grokdeclarator.
9483         (build_bitfield_integer_type): New function.
9484         (finish_struct): Move bitfield validation to grokdeclarator
9485         and build_bitfield_integer_type.
9486         * tree.c (build_nonstandard_integer_type): New function.
9487         * tree.h (build_nonstandard_integer_type): New prototype.
9488 objc:
9489         * objc-act.c (objc_copy_list): Remove DECL_INITIAL kludge.
9490
9491 2002-01-29  Jakub Jelinek  <jakub@redhat.com>
9492
9493         PR other/1502:
9494         * cppinit.c (cpp_handle_option): Add ignore argument, if it is zero,
9495         don't ignore unrecognized -W* options.
9496         (cpp_handle_options): Pass 1 as last argument to cpp_handle_option.
9497         * cpplib.h (cpp_handle_option): Adjust prototype.
9498         * c-decl.c (c_decode_options): Pass 0 as last argument to
9499         cpp_handle_option.
9500
9501         PR c/2896:
9502         * gcc.c (cpp_unique_options): Split from cpp_options.
9503         (cpp_options): Source cpp_unique_options.
9504         (default_compilers): Use cpp_unique_options instead of cpp_options
9505         when used together with cc1_options.
9506         (static_specs): Add cpp_unique_options.
9507         * objc/lang-specs.h: Use cpp_unique_options instead of cpp_options
9508         when used together with cc1_options.
9509
9510 2002-01-29  Kazu Hirata  <kazu@hxi.com>
9511
9512         * config/h8300/h8300-protos.h: Update the prototype of
9513         output_a_shift.
9514         * config/h8300/h8300.c (output_a_shift): Remove an unused
9515         argument 'insn'.  Remove redundant code.
9516         * config/h8300/h8300.md: Adust to the new prototype of
9517         output_a_shift.
9518
9519 2002-01-29  Kazu Hirata  <kazu@hxi.com>
9520
9521         * config/h8300/h8300-protos.h: Update the prototypes of
9522         emit_a_rotate and expand_a_rotate.
9523         * config/h8300/h8300.c (emit_a_rotate): Change the type of the
9524         first argument to 'enum rtx_code'.
9525         (expand_a_rotate): Likewise.
9526
9527 2002-01-28  Kazu Hirata  <kazu@hxi.com>
9528
9529         * config/h8300/h8300-protos.h: Update the prototype of
9530         output_simode_bld.
9531         * config/h8300/h8300.c (output_simode_bld): Remove an argumen
9532         'log2'.
9533         * config/h8300/h8300.md: Adjust to the new prototype.
9534
9535 2002-01-28  Kazu Hirata  <kazu@hxi.com>
9536
9537         * conifg/h8300/h8300.c (h8300_adjust_insn_length): Remove
9538         redundant code.
9539
9540 2002-01-28  John David Anglin  <dave@hiauly1.hia.nrc.ca>
9541
9542         * emit-rtl.c (gen_rtx_REG): Check that the PIC_OFFSET_TABLE_REGNUM
9543         is a fixed register before returning pic_offset_table_rtx.
9544         * loop.c (scan_loop): Don't hoist insns that set pic_offset_table_rtx
9545         when PIC_OFFSET_TABLE_REG_CALL_CLOBBERED is defined.
9546
9547 2002-01-28  Jason Merrill  <jason@redhat.com>
9548
9549         * dwarf2.h: Sync with src version.
9550
9551 2002-01-28  Paul Koning  <pkoning@equallogic.com>
9552
9553         * builtin-types.def (BT_FN_VOID_CONST_PTR_VAR): Replace
9554         BT_FN_VOID_PTR_VAR.
9555         * builtins.def (BUILT_IN_PREFETCH): Change first argument to be const.
9556         * doc/extend.texi (__builtin_prefetch): Update documentation:
9557         first argument is now const void ptr.
9558
9559 2002-01-28  Kazu Hirata  <kazu@hxi.com>
9560
9561         * config/h8300/h8300-protos.h: Remove an unused prototype.
9562
9563 2002-01-28  Roman Zippel  <zippel@linux-m68k.org>
9564
9565         * toplev.c (lang_independent_init): Round up identifier size.
9566
9567 2002-01-28  Richard Earnshaw  <rearnsha@arm.com>
9568
9569         * config.gcc: Revert previous change.
9570
9571 2002-01-28  Andris Pavenis  <pavenis@latnet.lv>
9572
9573         * config/i386/djgpp.h: Use STRIP_NAME_ENCODING in macro UNIQUE_SECTION
9574
9575 2002-01-28  Richard Earnshaw  <rearnsha@arm.com>
9576
9577         * config.gcc (*-*-netbsdelf*): Set up generic parameters.
9578         (*-*-netbsd*): Always use collect2.  Remove collect2 settings from
9579         other non-elf netbsd config frags.
9580         * config/netbsd-aout.h (STARTFILE_SPEC): Don't pull in c++rt0 since
9581         collect2 will does that.
9582         * config/netbsd.h (LIBGCC_SPEC): Add white space before -lgcc, so that
9583         shared-lib frobbing will work.
9584
9585 2002-01-28  Kazu Hirata  <kazu@hxi.com>
9586
9587         * config/h8300/h8300.h: Fix formatting.
9588         * config/h8300/h8300.md: Likewise.
9589
9590 2002-01-28  Loren J. Rittle  <ljrittle@acm.org>
9591
9592         * fixinc/inclhack.def (strict_ansi_not): Add a bypass based on
9593         the old, removed AAA_standards fix.
9594         * fixinc/fixincl.x: Rebuilt.
9595
9596 2002-01-28  Hans-Peter Nilsson  <hp@axis.com>
9597
9598         * config/cris/cris.h (CRT_CALL_STATIC_FUNCTION): Change to emit
9599         atexit call in crtbegin, hooked in after call to frame_dummy;
9600         register EH before registering __fini__start.
9601
9602 2002-01-28  Aldy Hernandez  <aldyh@redhat.com>
9603
9604         * config/rs6000/altivec.h: Remove spurious semicolons.
9605
9606 2002-01-27  Kazu Hirata  <kazu@hxi.com>
9607
9608         * config/h8300/h8300.md: Replace dead bit extraction patterns
9609         with ones that work.
9610
9611 Sun Jan 27 13:23:40 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9612
9613         * emit-rtl.c (get_mem_attrs): Don't default alignment for non-BLKmode
9614         if not STRICT_ALIGNMENT.
9615         * rtl.h (MEM_ALIGN): Likewise.
9616
9617 2002-01-27  Craig Rodrigues  <rodrigc@gcc.gnu.org>
9618
9619         * doc/invoke.texi (-fdump-translation-unit): Revert this
9620         patch: 2001-10-21  Craig Rodrigues  <rodrigc@gcc.gnu.org>
9621
9622 2002-01-27  Kazu Hirata  <kazu@hxi.com>
9623
9624         * config/h8300/h8300.md (define_constants): New.
9625         (anonymous patterns) Use defined constants appropriately.
9626
9627 2002-01-27  Kazu Hirata  <kazu@hxi.com>
9628
9629         * config/h8300/h8300.c (function_arg): Remove redundant code.
9630
9631 2002-01-26  Richard Henderson  <rth@redhat.com>
9632
9633         * sched-deps.c (reg_pending_uses_head): New.
9634         (reg_pending_barrier): Rename from reg_pending_sets_all.
9635         (find_insn_list): Don't mark inline.
9636         (find_insn_mem_list): Remove.
9637         (add_dependence_list, add_dependence_list_and_free): New.
9638         (flush_pending_lists): Replace only_write param with separate
9639         for_read and for_write parameters.  Update all callers.  Use
9640         add_dependence_list_and_free.
9641         (sched_analyze_1): Do not add reg dependencies here; just set
9642         the pending bits.  Use add_dependence_list.
9643         (sched_analyze_2): Likewise.
9644         (sched_analyze_insn): Replace schedule_barrier_found with
9645         reg_pending_barrier.  Add all dependencies for pending reg
9646         uses, sets, and clobbers.
9647         (sched_analyze): Don't add reg dependencies for calls, just
9648         set pending bits.  Use regs_invalidated_by_call.  Treat
9649         sched_before_next_call as a normal list, not a fake insn.
9650         (init_deps): No funny init for sched_before_next_call.
9651         (free_deps): Free pending mems lists.  Don't zero reg_last.
9652         (init_deps_global): Init reg_pending_uses.
9653         (finish_deps_global): Free it.
9654         * sched-int.h (deps): Make in_post_call_group_p boolean.  Update docs.
9655         (find_insn_mem_list): Remove.
9656         * sched-rgn.c (concat_INSN_LIST, concat_insn_mem_list): New.
9657         (propagate_deps): Use them.  Zero temp mem lists.
9658
9659 2002-01-26  Richard Henderson  <rth@redhat.com>
9660
9661         * Makefile.in (CRTSTUFF_CFLAGS): New.
9662         (crtbegin.o, crtend.o, crtbeginS.o, crtendS.o, crtbeginT.o): Use it.
9663         * config.gcc (alpha-linux, alpha-freebsd, alpha-netbsd): Use plain
9664         crtstuff.c instead of alpha assembly version.
9665         * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Rewrite to assume the
9666         entire dummy function sequence.  Use FORCE_CODE_SECTION_ALIGN
9667         not FORCE_{INIT,FINI}_SECTION_ALIGN.
9668         (__do_global_dtors_aux): Mark used.
9669         (frame_dummy, __do_global_ctors_aux): Mark used.
9670         (fini_dummy, init_dummy): Remove.
9671
9672         * config/alpha/crtbegin.asm: Remove file.
9673         * config/alpha/crtend.asm: Remove file.
9674         * config/alpha/t-crtbe: Remove file.
9675         * config/alpha/elf.h (CRT_CALL_STATIC_FUNCTION): New.
9676         (LINK_EH_SPEC): New.
9677
9678         * config/cris/cris.h (CRT_CALL_STATIC_FUNCTION): Rewrite old
9679         FORCE_INIT_SECTION_ALIGN hack.  Register __fini_start before
9680         calling constructors.
9681         * config/cris/linux.h (CRT_CALL_STATIC_FUNCTION): Undef.
9682
9683         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): New.
9684         * config/i386/linux.h (CRT_CALL_STATIC_FUNCTION): Replace old
9685         CRT_END_INIT_DUMMY hack.
9686         * config/i386/sol2.h (FORCE_CODE_SECTION_ALIGN): Replace
9687         FORCE_{INIT,FINI}_SECTION_ALIGN.
9688
9689         * config/mcore/mcore-elf.h (FORCE_CODE_SECTION_ALIGN): Replace
9690         FORCE_{INIT,FINI}_SECTION_ALIGN.
9691
9692         * config/s390/s390.h (CRT_CALL_STATIC_FUNCTION): Update for new
9693         invocation sequence.
9694         * config/sh/sh.h (CRT_CALL_STATIC_FUNCTION): Likewise.
9695
9696         * doc/tm.texi (CRT_CALL_STATIC_FUNCTION): Update.
9697         (FORCE_CODE_SECTION_ALIGN): New.
9698
9699 2002-01-26  Richard Henderson  <rth@redhat.com>
9700
9701         * config/cris/cris.c (cris_print_operand): Handle 64-bit CONST_INT.
9702
9703 2002-01-26  Richard Henderson  <rth@redhat.com>
9704
9705         * config/alpha/alpha.c (alpha_sa_mask): Mark RA for unicos here too.
9706         (alpha_sa_size): Use alpha_sa_mask to compute size of saved regs.
9707
9708 2002-01-26  Kazu Hirata  <kazu@hxi.com>
9709
9710         * config/h8300/h8300.md: Remove bit extraction patterns that
9711         cannot be triggered.
9712         Restrict each bit extraction pattern to a variant on which the
9713         pattern is tested.
9714
9715 2002-01-26  Joseph S. Myers  <jsm28@cam.ac.uk>
9716
9717         * doc/include/texinfo.tex: Update to version 2002-01-04.07.
9718
9719 2002-01-26  Kazu Hirata  <kazu@hxi.com>
9720
9721         * config/h8300/h8300.md: Remove bit test patterns that cannot
9722         be triggered.
9723         Restrict each bit test pattern to a variant on which the
9724         pattern is tested.
9725
9726 2002-01-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9727
9728         * builtins.c (expand_builtin_strncat): Remove redundant check for
9729         INTEGER_CST.
9730
9731 2002-01-25  David O'Brien  <obrien@FreeBSD.org>
9732
9733         * config/i386/x86-64.h (DEFAULT_PCC_STRUCT_RETURN): Do not overide
9734         default setting.
9735         * config/i386/freebsd64.h (DEFAULT_PCC_STRUCT_RETURN): Do not override
9736         existing setting.
9737
9738 2002-01-25  Geoffrey Keating  <geoffk@redhat.com>
9739
9740         * dbxout.c (dbxout_init): Use assemble_name rather than just
9741         stripping off the first character.
9742         (dbxout_source_file): Likewise.
9743
9744 2002-01-25  DJ Delorie  <dj@redhat.com>
9745
9746         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): Compare
9747         using rtx_equal_p, not by comparing pointers.
9748
9749 2002-01-25  Steve Ellcey  <sje@cup.hp.com>
9750
9751         * emit-rtl.c (gen_rtx_REG): Always return the same rtx
9752         for PIC_OFFSET_TABLE_REGNUM.
9753         (init_emit_once): Use gen_raw_REG to initialize pic_offset_table_rtx.
9754
9755 2002-01-25  David O'Brien  <obrien@FreeBSD.org>
9756
9757         * config.gcc (x86_64-*-freebsd*): New target.
9758         (x86_64-*-netbsd*,x86_64-*-linux*): Use ${tm_file} rather than its
9759         value.
9760         (i[34567]86-*-freebsd*): Don't include svr4.h.
9761         * config/i386/freebsd64.h: New file.
9762
9763 2002-01-25  Douglas B Rupp  <rupp@gnat.com>
9764
9765         * config/alpha/x-vms (version): Make static.
9766
9767         * config/alpha/vms.h (MD_FALLBACK_FRAME_STATE_FOR): Fix error
9768         in previous checkin.
9769
9770         * Makefile.in (install-headers-cp): New target.
9771         * config.gcc (alpha-dec-*vms*): Install headers with
9772         install-headers-cp
9773
9774 Fri Jan 25 22:42:49 CET 2002  Jan Hubicka  <jh@suse.cz>
9775
9776         * unroll.c (unroll_loop): Lower final_value to nonmemory operand;
9777         avoid it's copies.
9778
9779 Fri Jan 25 08:26:19 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9780
9781         * builtins.c (expand_builtin_strncpy): Use integer_zerop instead
9782         of compare_tree_int.
9783         (expand_builtin_strncat): Likewise.
9784         * c-decl.c (finish_struct): Use tree_low_cst.
9785         * tree.h (compare_tree_int): Arg is unsigned HOST_WIDE_INT.
9786         * tree.c (compare_tree_int): Likewise.
9787
9788 2002-01-25  Ulrich Weigand  <uweigand@de.ibm.com>
9789
9790         * reload1.c (eliminate_regs_in_insn): Recognize frame pointer
9791         adjustments even if they are implemented by more than two insns.
9792
9793 Fri Jan 25 20:43:56 CET 2002  Jan Hubicka  <jh@suse.cz>
9794
9795         * df.c (df_ref_create, df_ref_record_1, df_ref_record): Kill BB arg.
9796         * df.h (struct ref): Kill B.
9797         (DF_REF_BB, DF_REF_BBNO): Use BLOCK_FOR_INSN.
9798
9799         * basic-block.h (PROP_EQUAL_NOTES): New flag.
9800         * flow.c (propagate_one_insn): Use it.
9801         (mark_used_regs): Handle NIL.
9802
9803 2002-01-25  Geoffrey Keating  <geoffk@redhat.com>
9804
9805         * config/stormy16/stormy16.md (tablejump_pcrel): Use a MEM
9806         to help folding.
9807
9808 2002-01-25  David Edelsohn  <edelsohn@gnu.org>
9809
9810         * rs6000.md (prefetch): Make address V4SI mode so that the address
9811         is restricted to legitimate form for instruction.
9812
9813 2002-01-25  Bob Wilson  <bob.wilson@acm.org>
9814
9815         * doc/install.texi (xtensa-*-elf): New target.
9816         (xtensa-*-linux*): New target.
9817         * doc/contrib.texi: Add myself.
9818
9819 2002-01-25  Nick Clifton  <nickc@cambridge.redhat.com>
9820
9821         * config/arm/arm.c (arm_hard_regno_mode_ok): Allow any general
9822         purpose register to hold an SImode (or smaller) value.
9823
9824 2002-01-25  Jakub Jelinek  <jakub@redhat.com>
9825
9826         * unwind-dw2-fde-glibc.c: If inhibit_libc, use __register_frame*
9827         registry only.
9828         * crtstuff.c: Likewise.
9829
9830 2002-01-25  Kazu Hirata  <kazu@hxi.com>
9831
9832         * config/h8300/h8300.md (negation patterns): Tighten
9833         predicates to register_operand.
9834
9835 2002-01-24  Aldy Hernandez  <aldyh@redhat.com>
9836
9837         * loop.c (emit_prefetch_instructions): Use the prefetch insn's
9838         mode, not Pmode.
9839
9840         * builtins.c (expand_builtin_prefetch): Same.
9841
9842 2002-01-24  Alexandre Oliva  <aoliva@redhat.com>
9843
9844         * config/sh/sh.md (sym_label2reg): Make sure all CONSTs have
9845         modes.
9846
9847 2002-01-24  Kazu Hirata  <kazu@hxi.com>
9848
9849         * config/h8300/h8300.c (print_operand): Remove support for
9850         operand character 'A'.
9851         * config/h8300/h8300.md (three anonymous patterns): Replace
9852         operand character 'A' with either 'T' or 'S'.
9853
9854 2002-01-24  Kazu Hirata  <kazu@hxi.com>
9855
9856         * config/h8300/h8300.c (print_operand): Remove support for
9857         operand character 'U'.
9858
9859 2002-01-24  Andris Pavenis  <pavenis@latnet.lv>
9860
9861         * config/i386/t-djgpp: Use NATIVE_SYSTEM_HEADER_DIR.
9862
9863 2002-01-24  Nick Clifton  <nickc@cambridge.redhat.com>
9864
9865         * config/arm/arm.c (arm_hard_regno_mode_ok): Allow SImode
9866         values to be assigned to the stack pointer.
9867
9868 2002-01-14  Hartmut Penner  <hpenner@de.ibm.com>
9869
9870         * emit_rtl.c (gen_lowpart_common): Conversion from const_int
9871         to const_double needs to be done right for big-endian systems.
9872
9873 2002-01-24  Jason Merrill  <jason@redhat.com>
9874
9875         PR c++/2432
9876         * config/sparc/sparc.md (call-jump peepholes): Pass the right insn
9877         to can_throw_internal.
9878
9879 2002-01-23  Richard Henderson  <rth@redhat.com>
9880
9881         * fold-const.c (fold): Change UINT_MAX test to check vs precision
9882         rather than TYPE_MAX_VALUE.  Fix indentation and a bogus negation.
9883
9884 2002-01-24  Alexandre Oliva  <aoliva@redhat.com>
9885
9886         * config/sh/sh.md (symGOT_load, sym2GOT, sym2GOTOFF): New expands.
9887         (symGOT2reg): Use them, then set as GOT value as unchanging.
9888         (symGOTOFF2reg): Set REG_EQUAL note.  Use a different pseudo
9889         as a temporary, if possible.
9890         (symPLT_label2reg): Enclose (pc) in UNSPEC_PIC.  Emit
9891         sym@PLT-(.LPCS#+2-.) instead of sym@PLT+.-(.LPCS#+2).
9892
9893 2002-01-23  Kazu Hirata  <kazu@hxi.com>
9894
9895         * config/h8300/h8300.md: Fix xorqi and xorqi so that they will
9896         accept to accept 0x80 as operands[2].
9897
9898 2002-01-24  Alexandre Oliva  <aoliva@redhat.com>
9899
9900         * config/sparc/sparc.md (fix_trunctfdi2): Correct typo in mode.
9901
9902 2002-01-23  Richard Henderson  <rth@redhat.com>
9903
9904         * config/alpha/alpha.md (call_value_osf_1_er peepholes): Fix typo.
9905
9906 2002-01-23  Aldy Hernandez  <aldyh@redhat.com>
9907
9908         * c-parse.in (parmlist_or_identifiers): Add maybe_attribute.
9909         (parmlist_or_identifiers_1): Verify that only a parmlist follows
9910         an attribute.
9911
9912 2002-01-23  Richard Henderson  <rth@redhat.com>
9913
9914         * expr.c (move_by_pieces_1): Extend size before negation.
9915
9916         * config/m68k/t-m68kbare (MULTILIB_OPTIONS): Add 68040 and 68060.
9917         (MULTILIB_MATCHES): Remove 68040 and 68060 aliases.
9918         (MULTILIB_EXCEPTIONS): Ignore 68881 and soft-float for 68040 and 68060.
9919         * config/m68k/t-m68kelf: Likewise.
9920
9921 2002-01-23  Bob Wilson  <bob.wilson@acm.org>
9922
9923         * config/xtensa/elf.h: New file.
9924         * config/xtensa/lib1funcs.asm: New file.
9925         * config/xtensa/lib2funcs.S: New file.
9926         * config/xtensa/linux.h: New file.
9927         * config/xtensa/t-xtensa: New file.
9928         * config/xtensa/xtensa-config.h: New file.
9929         * config/xtensa/xtensa-protos.h: New file.
9930         * config/xtensa/xtensa.c: New file.
9931         * config/xtensa/xtensa.h: New file.
9932         * config/xtensa/xtensa.md: New file.
9933         * config.gcc (xtensa-*-elf*): New target.
9934         (xtensa-*-linux*): New target.
9935         * cse.c (canon_hash): Compare rtx pointers instead of register
9936         numbers.  This is required for the Xtensa port.
9937         * integrate.c (copy_insn_list): Handle case where the static
9938         chain is in memory and the memory address has to be copied to
9939         a register.
9940         * doc/invoke.texi (Option Summary): Add Xtensa options.
9941         (Xtensa Options): New node.
9942         * doc/md.texi (Machine Constraints): Add Xtensa machine constraints.
9943
9944 2002-01-23  Zack Weinberg  <zack@codesourcery.com>
9945
9946         * diagnostic.c (internal_error): Do ICE suppression only
9947         when ENABLE_CHECKING is not defined.
9948
9949         * c-typeck.c (require_complete_type): Return error_mark_node
9950         if type is error_mark_node.
9951
9952 2002-01-23  Janis Johnson  <janis187@us.ibm.com>
9953
9954         * toplev.c (process_options): Disable -fprefetch-loop-arrays with
9955         -Os and issue a warning.
9956
9957 2002-01-23  Zack Weinberg  <zack@codesourcery.com>
9958
9959         * doc/fragments.texi, doc/hostconfig.texi: Update to reflect
9960         current (lack of) need for host configuration by hand.
9961
9962         * doc/gccint.texi, doc/rtl.texi, doc/tm.texi: Adjust cross
9963         references.  Documentation of some target macros moved from
9964         hostconfig.texi to tm.texi.
9965
9966 2002-01-23  Will Cohen  <wcohen@redhat.com>
9967
9968         * config/arm/arm.h (THUMB_FUNCTION_PROFILER): Define if not currently
9969         defined.
9970
9971 2002-01-23  Kazu Hirata  <kazu@hxi.com>
9972
9973         * config/h8300/h8300.md (*andorhi3): Accept 0x8000 as an
9974         operand[3].
9975
9976 2002-01-23  Jason Merrill  <jason@redhat.com>
9977
9978         * tree.c (build1): Don't set TREE_READONLY on INDIRECT_REF.
9979
9980         * function.c (assign_parms): Don't put args of inline functions
9981         into registers when not optimizing.
9982
9983 2002-01-23  Nick Clifton  <nickc@cambridge.redhat.com>
9984
9985         * config/arm/arm.md (UNSPEC_PROLOGUE_USE): New unspec constant.
9986         (prologue_use): New pattern.
9987         * config/arm/arm.c (expand_prologue): Use gen_prologue_use in
9988         preference to gen_rtx_USE.
9989         (thumb_expand_prologue): Use gen_prologue_use in preference to
9990         gen_rtx_USE.
9991         (thumb_expand_epilogue): Use gen_prologue_use in preference to
9992         gen_rtx_USE.
9993
9994 2002-01-23  Hans-Peter Nilsson  <hp@bitrange.com>
9995
9996         * loop.c [!HAVE_prefetch] (CODE_FOR_prefetch): Define to 0.
9997
9998 2002-01-23  Neil Booth  <neil@daikokuya.demon.co.uk>
9999
10000         PR c/3504
10001         * doc/extend.texi: Correct documentation of __alignof__.
10002
10003 2002-01-22  Zack Weinberg  <zack@codesourcery.com>
10004
10005         * params.h: Rename arguments of DEFPARAM so that it will be
10006         recognized as a translation keyword.
10007
10008 2002-01-22  Aldy Hernandez  <aldyh@redhat.com>
10009
10010         * extend.texi: Document altivec functions.
10011         Fix N-bit adjectives in X86 builtin documentation.
10012
10013 2002-01-22  Alexandre Oliva  <aoliva@redhat.com>
10014
10015         * reload.c (reg_overlap_mentioned_for_reload_p): Handle PLUS and
10016         auto_inc_dec values.
10017
10018 2002-01-22  Richard Earnshaw  <rearnsha@arm.com>
10019
10020         * config/netbsd-aout.h (SWITCH_TAKES_ARG): Remove bogus white space
10021         after backslash.
10022         (ASM_DECLARE_OBJECT_NAME): Add missing backslash before final line.
10023
10024 2002-01-22  Alexandre Oliva  <aoliva@redhat.com>
10025
10026         * config/i386/freebsd-aout.h (ASM_QUAD): Undefine.
10027
10028 2002-01-22  Richard Henderson  <rth@redhat.com>
10029
10030         * config/alpha/alpha.c (split_small_symbolic_mem_operand): Use
10031         copy_insn not copy_rtx.
10032
10033 2002-01-23  Alan Modra  <amodra@bigpond.net.au>
10034
10035         * combine.c (simplify_and_const_int): Don't trunc_int_for_mode
10036         "nonzero" as that might add "1" bits.  Ensure "constop" is
10037         properly sign extened.
10038         (force_to_mode): Tweak for sign extended constop.
10039
10040 2002-01-22  Richard Henderson  <rth@redhat.com>
10041
10042         * config/alpha/alpha.c (some_small_symbolic_mem_operand) Use
10043         for_each_rtx instead of assuming we're already looking at the MEM.
10044         (split_small_symbolic_mem_operand): Likewise.
10045         * config/alpha/alpha.h (PREDICATE_CODES): Update.
10046         * config/alpha/alpha.md (small symbolic memory splitters): Update.
10047
10048 2002-01-22  Richard Henderson  <rth@redhat.com>
10049
10050         * config/alpha/alpha.md (divmodsi_internal_er): Generate lituse
10051         sequence number for the literal.
10052         (divmoddi_internal_er): Likewise.
10053
10054 2002-01-22  Craig Rodrigues  <rodrigc@gcc.gnu.org>
10055
10056         PR java/4972
10057         * aclocal.m4 (AM_ICONV): Put linking flags for libiconv
10058         in LIBICONV variable.
10059         * configure: Regenerated.
10060
10061 2002-01-22  Krister Walfridsson  <cato@df.lth.se>
10062
10063         * dependence.c (build_def_use): Remove array_idx.
10064
10065         * dwarfout.c (last_filename): Remove.
10066         (output_compile_unit_die): Remove last_filename.
10067
10068 2002-01-22  Roger Sayle  <roger@eyesopen.com>
10069             Richard Henderson  <rth@redhat.com>
10070
10071         PR opt/3640
10072         * fold-const.c (fold): Optimize unsigned comparisons against
10073         UINT_MAX (and similar unsigned constants).
10074
10075 2002-01-22  Janis Johnson  <janis187@us.ibm.com>
10076
10077         * Makefile.in (loop.o): Depend on OPTABS_H.
10078         * loop.c (emit_prefetch_instructions): Check the prefetch operand
10079         against the predicate.
10080
10081         PR target/5379
10082         * config/i386/i386.md (prefetch_sse): Specify "p" as a constraint
10083         for the address operand.
10084
10085 2002-01-22  Richard Henderson  <rth@redhat.com>
10086
10087         * config/alpha/freebsd.h (FUNCTION_PROFILER): Remove.
10088
10089 2002-01-22  Craig Rodrigues  <rodrigc@gcc.gnu.org>
10090
10091         PR other/5450
10092         * config/i386/sysv4.h (CPP_SPEC): Define, and add CPU
10093         preprocessor flags.
10094
10095 2002-01-22  Jason Thorpe  <thorpej@wasabisystems.com>
10096
10097         * config.gcc (x86_64-*-netbsd*): New target.
10098         * config/i386/netbsd64.h: New file.
10099
10100 2002-01-22  Aldy Hernandez  <aldyh@redhat.com>
10101
10102         * regrename.c (kill_value): Fix typo.
10103
10104 2002-01-22  Aldy Hernandez  <aldyh@redhat.com>
10105
10106         * doc/tm.texi: Remove STARTING_FRAME_PHASE.
10107
10108         * config/rs6000/rs6000.h: Same.
10109
10110         * function.c (instantiate_virtual_regs): Remove
10111         STARTING_FRAME_PHASE.
10112         (assign_stack_local_1): Same.
10113         Calculate frame phase.
10114
10115 2002-01-22  Nick Clifton  <nickc@redhat.com>
10116
10117         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Move 'regno'
10118         variable declaration to outer scope in order to simplify
10119         future extensions.
10120         (HARD_REGNO_MODE_OK): Replace macro body with a with a call to
10121         arm_hard_regno_mode_ok.
10122         * config/arm/arm-protos.h: Add a prototype for
10123         arm_hard_regno_mode_ok.
10124         * config/arm/arm.c (soft_df_operand): Remove now redundant
10125         check for DImode values using IP_REGNUM.
10126         (nonimmediate_soft_df_operand): Remove now redundant check for
10127         DImode values using IP_REGNUM.
10128         (arm_hard_regno_mode_ok): New function. New check: make sure
10129         that DImode values are not stored in IP_REGNUM.
10130
10131         * config/arm/arm.c (arm_expand_prologue): Replace REG_MAYBE_DEAD
10132         note with a USE.
10133         (thumb_expand_prologue): Replace REG_MAYBE_DEAD note with a USE.
10134
10135 2002-01-22  Jason Merrill  <jason@redhat.com>
10136
10137         * c-semantics.c (genrtl_compound_stmt): Only check nesting
10138         consistency if this COMPOUND_STMT is scoped.
10139
10140 2002-01-22  Kazu Hirata  <kazu@hxi.com>
10141
10142         * predict.c: Fix formatting.
10143         * print-tree.c: Likewise.
10144         * protoize.c: Likewise.
10145         * real.h: Likewise.
10146         * rtl.h: Likewise.
10147         * sbitmap.h: Likewise.
10148         * scan.c: Likewise.
10149         * sched-deps.c: Likewise.
10150         * sched-vis.c: Likewise.
10151         * sdbout.c: Likewise.
10152         * sibcall.c: Likewise.
10153         * ssa.c: Likewise.
10154         * ssa-ccp.c: Likewise.
10155         * ssa-dce.c: Likewise.
10156         * stmt.c: Likewise.
10157         * stor-layout.c: Likewise.
10158         * system.h: Likewise.
10159
10160 Tue Jan 22 06:26:33 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10161
10162         * tree.c (int_fits_type_p): If bounds of a subtype are variable, see
10163         if fits in bounds of base type.
10164
10165         * dwarf2out.c (equate_decl_number_to_die): Add "int" to decls.
10166         (loc_descriptor_from_tree, case CALL_EXPR, case ADDR_EXPR): New.
10167         (add_bound_info, default): If can't find a context, make a
10168         SAVE_EXPR.
10169         (dwarf2out_finish): Check for SAVE_EXPR in node->created_for.
10170
10171 2002-01-22  Hans-Peter Nilsson  <hp@axis.com>
10172
10173         * c-typeck.c (parser_build_binary_op): If result from
10174         build_binary_op is ERROR_MARK just return error_mark_node without
10175         further processing.
10176
10177 2002-01-21  Jason Thorpe  <thorpej@wasabisystems.com>
10178
10179         * config/netbsd.h (TARGET_HAS_F_SETLKW): define.
10180         Split a.out-specific bits into...
10181         * config/netbsd-aout.h: ...this.
10182         * config/netbsd-elf.h: New file.
10183         * config/alpha/netbsd-elf.h: Remove.
10184         * config/alpha/netbsd.h: Rewrite for a NetBSD/alpha ELF target.
10185         * config/i386/netbsd-elf.h (LIB_SPEC): Remove.
10186         (STARTFILE_SPEC): Remove redundant definition.
10187         (ENDFILE_SPEC): Likewise.
10188         (LINK_SPEC): Likewise.
10189         (CPP_SPEC): Likewise.
10190         (ASM_SPEC): Likewise.
10191         (LIB_SPEC): Likewise.
10192         (SWITCH_TAKES_ARG): Likewise.
10193         (TARGET_MEM_FUNCTIONS): Likewise.
10194         (CPP_PREDEFINES): Redefine.
10195         (ASM_FINAL_SPEC): Remove redefinition.
10196         (ASM_COMMENT_START): Redefine.
10197         (FUNCTION_PROFILER): Define.
10198         (TARGET_VERSION): Redefine.
10199         Comment and formatting cleanup.
10200         * config/i386/netbsd.h: Include <netbsd-aout.h>.
10201         * config/m68k/netbsd.h: Include <netbsd-aout.h>.
10202         * config/mips/netbsd.h: Rewrite for NetBSD/mips ELF target,
10203         big- or little-endian.
10204         * config/ns32k/netbsd.h: Include <netbsd-aout.h>.
10205         * config.gcc (*-*-netbsd*): Add definitions common to all
10206         NetBSD configs.
10207         (alpha*-*-netbsd*): Remove redundant xm_defines, gas, and
10208         gnu_ld definitions.  Add netbsd-elf.h to and remove
10209         alpha/netbsd-elf.h from tm_file.  Remove alpha/t-crtfm from
10210         tmake_file, and don't lose previous tmake_file contents.
10211         (arm*-*-netbsd*): Add netbsd-aout.h to tm_file.
10212         (i[34567]86-*-netbsdelf*): Remove redundant xm_defines, gas, and
10213         gnu_ld definitions.  Add netbsd-elf.h to tm_file.
10214         (mips-dec-netbsd*): Remove as alias for mipsel-*-netbsd*.
10215         (mipsel-*-netbsd*): Rename this to...
10216         (mips*-*-netbsd*): ...this.  Add elfos.h to tm_file.  Add
10217         mips/little.h to tm_file for mips*el-*.
10218         (powerpc-*-netbsd*): Remove redundant xm_defines definition.
10219         (sparc-*-netbsd*): Add netbsd-aout.h to tm_file.
10220         (vax-*-netbsd*): Add netbsd-aout.h to tm_file.
10221
10222 2002-01-21  John David Anglin  <dave@hiauly1.hia.nrc.ca>
10223
10224         * pa-protos.h (reg_before_reload_operand): New function prototype.
10225         * pa.c (reg_before_reload_operand): New function implementation.
10226         * pa.md (decrement_and_branch_until_zero, movb): Use it.  Change "!*m"
10227         contraints to "*m".
10228
10229 2002-01-21  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
10230
10231         * combine.c (simplify_and_const_int): Properly sign-extend CONSTOP.
10232
10233 2002-01-21  John David Anglin  <dave@hiauly1.hia.nrc.ca>
10234
10235         * pa64-hpux.h (MD_EXEC_PREFIX): Set to "/usr/ccs/bin".
10236         (MD_STARTFILE_PREFIX): Set to "/usr/ccs/lib/pa20_64/".
10237         (MD_STARTFILE_PREFIX_1): Set to "/opt/langtools/lib/pa20_64/".
10238         (EH_FRAME_IN_DATA_SECTION): Define and update comment on init sections.
10239         (ENDFILE_SPEC): Undefine.
10240         (STARTFILE_SPEC): Redefine for PA.
10241
10242 2002-01-21  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
10243
10244         * config/rs6000/t-ppccomm (CRTSTUFF_T_CFLAGS_S): Re-add -fPIC.
10245
10246 2002-01-21  Daniel Jacobowitz  <drow@mvista.com>
10247
10248         * config.gcc: Add entries to supported PowerPC --with-cpu
10249         types.
10250
10251 2002-01-21  Jakub Jelinek  <jakub@redhat.com>
10252
10253         * config/i386/i386.c (ix86_function_arg_regno_p): Never return
10254         true for 64-bit mode only SSE registers in 32-bit mode.
10255
10256 2002-01-21  Kazu Hirata  <kazu@hxi.com>
10257
10258         * unwind-dw2.c: Fix formatting.
10259         * unwind-dw2-fde.c: Likewise.
10260         * unwind-dw2-fde.h: Likewise.
10261         * unwind-pe.h: Likewise.
10262         * varasm.c: Likewise.
10263         * varray.h: Likewise.
10264
10265 2002-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
10266
10267         Remove workaround for register stack overwrite bug in mmix.
10268         * config/mmix/mmix.c (mmix_target_asm_function_prologue): Remove
10269         support for TARGET_REG_STACK_FILL_BUG.
10270         * config/mmix/mmix.h: Remove member has_call_without_parameters.
10271         (TARGET_MASK_REG_STACK_FILL_BUG, TARGET_REG_STACK_FILL_BUG):
10272         Delete.
10273         (TARGET_DEFAULT): Remove TARGET_MASK_REG_STACK_FILL_BUG.
10274         (TARGET_SWITCHES): Remove -mreg-stack-fill-bug-workaround and
10275         -mno-reg-stack-fill-bug-workaround.
10276         * config/mmix/mmix.md ("call", "call_value"): Don't set struct
10277         machine member has_call_without_parameters.
10278         * doc/invoke.texi (Option Summary) <MMIX Options>: Remove
10279         -mreg-stack-fill-bug-workaround and
10280         -mno-reg-stack-fill-bug-workaround.
10281         (MMIX Options): Ditto.
10282
10283 2002-01-21  Kazu Hirata  <kazu@hxi.com>
10284
10285         * config/h8300/h8300.c (function_arg): Replace 0 with NULL_RTX
10286         as appropriate.
10287         Remove redundant code.
10288
10289 2002-01-21  Joseph S. Myers  <jsm28@cam.ac.uk>
10290
10291         * config/alpha/alpha.h, config/arc/arc.h, config/avr/avr.h,
10292         config/c4x/c4x.h, config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
10293         config/fr30/fr30.h, config/ia64/ia64.h, config/m68hc11/m68hc11.h,
10294         config/mips/mips.h, config/rs6000/rs6000.h, config/sparc/sparc.h,
10295         config/stormy16/stormy16.h, config/v850/v850.h: Remove commented
10296         out target macro definitions and non-target-specific comments
10297         mostly taken from old versions of the manual.
10298
10299 2002-01-20  Kazu Hirata  <kazu@hxi.com>
10300
10301         * config/h8300/h8300.h: Fix comment formatting.
10302         * config/ia64/aix.h: Likewise.
10303         * config/ia64/ia64-protos.h: Likewise.
10304         * config/ia64/ia64.c: Likewise.
10305         * config/ia64/ia64.h: Likewise.
10306         * config/ia64/ia64intrin.h: Likewise.
10307         * config/ia64/linux.h: Likewise.
10308         * config/ia64/unwind-aix.c: Likewise.
10309         * config/ia64/unwind-ia64.c: Likewise.
10310
10311 2002-01-20  Kazu Hirata  <kazu@hxi.com>
10312
10313         * config/h8300/h8300.c: Revise comments about shift code.
10314
10315 2002-01-20  Kazu Hirata  <kazu@hxi.com>
10316
10317         * config/h8300/h8300.c (function_arg): Update a comment.
10318
10319 2002-01-20  Kazu Hirata  <kazu@hxi.com>
10320
10321         * config/h8300/h8300.md: Update the comments at the beginning
10322         of the file.
10323
10324 2002-01-20  Kazu Hirata  <kazu@hxi.com>
10325
10326         * config/i370/i370.c: Fix comment formatting.
10327         * config/i370/i370.h: Likewise.
10328         * config/i370/i370.md: Likewise.
10329         * config/i370/linux.h: Likewise.
10330
10331 Sun Jan 20 18:40:14 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10332
10333         * reg-stack.c (subst_stack_regs): Properly check for deleted insn.
10334
10335         * dwarf2out.c (loc_descriptor_from_tree): Add TRUTH_*_EXPR cases.
10336         (gen_struct_or_union_type_die): Don't SIGSEGV if no TYPE_STUB_DECL
10337         in incomplete case.
10338
10339 2002-01-20  Graham Stott  <grahams@redhat.com>
10340
10341         * cfgloop.c (flow_loop_preheader_scan): Fix typo.
10342
10343 2002-01-19  John David Anglin  <dave@hiauly1.hia.nrc.ca>
10344
10345         * config.gcc (hppa*64*-*-hpux11*): Fix tmake_file.
10346
10347 2002-01-19  Tom Rix  <trix@redhat.com>
10348
10349         * config/rs6000/rs6000.md: Fix DF split for 64 bit hosts.
10350
10351 2002-01-18  Aldy Hernandez  <aldyh@redhat.com>
10352
10353         * doc/tm.texi (STARTING_FRAME_PHASE): Document.
10354
10355         * function.c (assign_stack_local_1): Adjust x_frame_offset with
10356         STARTING_FRAME_PHASE.
10357         (STARTING_FRAME_PHASE): New.
10358         (instantiate_virtual_regs): Check saneness of
10359         STARTING_FRAME_PHASE.
10360
10361         * config/rs6000/rs6000.h (STARTING_FRAME_PHASE): New.
10362
10363 2002-01-19  Alexandre Oliva  <aoliva@redhat.com>
10364
10365         * config/sh/sh.md (movdf_i4 split): Fix alter_subreg calls.
10366
10367 2002-01-18  Craig Rodrigues  <rodrigc@gcc.gnu.org>
10368
10369         * doc/install.texi (hppa*-hp-hpux11): Clarify that GCC 2.95.x cannot
10370         be used for bootstrapping GCC 3.0.
10371
10372 2002-01-18  Kazu Hirata  <kazu@hxi.com>
10373
10374         * config/h8300/h8300.md: Fix an insn length.
10375
10376 2002-01-18  Kazu Hirata  <kazu@hxi.com>
10377
10378         * bitmap.h: Fix comment formatting.
10379         * combine.c: Likewise.
10380         * cppfiles.c: Likewise.
10381         * c-pragma.h: Likewise.
10382         * c-typeck.c: Likewise.
10383         * df.c: Likewise.
10384         * dwarf2out.c: Likewise.
10385         * function.c: Likewise.
10386         * gcc.c: Likewise.
10387         * genattrtab.c: Likewise.
10388         * gthr-win32.h: Likewise.
10389         * haifa-sched.c: Likewise.
10390         * predict.c: Likewise.
10391         * rtlanal.c: Likewise.
10392         * rtl.h: Likewise.
10393         * unwind-dw2-fde.h: Likewise.
10394         * unwind-pe.h: Likewise.
10395         * vmsdbgout.c: Likewise.
10396
10397 Thu Jan 17 15:28:26 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10398
10399         * attribs.c (decl_attributes): Clear ATTR_FLAG_TYPE_IN_PLACE
10400         if type_required and passed decl.
10401
10402 2002-01-17  Aldy Hernandez  <aldyh@redhat.com>
10403
10404         * config.gcc (cpu_type): Include altivec.h in powerpc
10405         extra_headers.
10406         Same for darwin.
10407
10408         * config/rs6000/altivec.h: New.
10409
10410 2002-01-17  David Edelsohn  <edelsohn@gnu.org>
10411
10412         * doc/install.texi (*-ibm-aix*): Update assembler and exception
10413         handling information.
10414         * doc/trouble.texi (Interoperation): Add libstdc++ information
10415         for AIX.
10416         (Misunderstandings): Add template instantiation and static template
10417         member information for AIX.
10418
10419 2002-01-17  Jason Merrill  <jason@redhat.com>
10420
10421         * dbxout.c (dbxout_type): Support const and volatile.
10422
10423         * except.c (add_partial_entry): Remove backwards compatibility code.
10424         (end_protect_partials): Likewise.
10425
10426 2002-01-17  Jakub Jelinek  <jakub@redhat.com>
10427
10428         * config/ia64/ia64.md (prologue_use): New.
10429         * config/ia64/ia64.c (ia64_expand_prologue): Use
10430         gen_prologue_use instead of gen_rtx_USE.
10431         (group_barrier_needed_p): Handle CODE_FOR_prologue_use the same way
10432         as CODE_FOR_pred_rel_mutex.
10433         (ia64_sched_reorder2): Likewise.
10434
10435 2002-01-16  Eric Christopher  <echristo@redhat.com>
10436
10437         * config/mips/r3900.h: Reformat.
10438         (SUBTARGET_CPP_SIZE_SPEC): Remove.
10439         * config/mips/isa3264.h (SUBTARGET_CPP_SIZE_SPEC): Ditto.
10440         * config/mips/mips.h (ABI_GAS_ASM_SPEC): Default to "".
10441         (SUBTARGET_CPP_SIZE_SPEC): Rewrite.
10442         * config/mips/t-elf: Remove mips3 multilib.
10443
10444 2002-01-16  H.J. Lu <hjl@gnu.org>
10445
10446         * config/mips/linux.h: Include "mips/abi64.h".
10447
10448 2002-01-16  H.J. Lu <hjl@gnu.org>
10449
10450         * config/mips/t-linux: New.
10451
10452         * config.gcc: Add mips/t-linux to tmake_file for mips*-*-linux*.
10453
10454         * config/mips/linux.h: Don't include "gofast.h".
10455         (INIT_SUBTARGET_OPTABS): Removed.
10456
10457 2002-01-16  Kazu Hirata  <kazu@hxi.com>
10458
10459         * config/h8300/h8300-protos.h: Replace emit_a_shift with
10460         output_a_shift.
10461         * config/h8300/h8300.c: Likewise.
10462         * config/h8300/h8300.md: Likewise.
10463
10464 2002-01-16  Kazu Hirata  <kazu@hxi.com>
10465
10466         * config/h8300/h8300.md (pushqi1_h8300): Use a tab instead of
10467         spaces after an opcode name.
10468         (pushqi1_h8300hs): Likewise.
10469         (pushhi1_h8300hs): Likewise.
10470
10471 2002-01-16  Kazu Hirata  <kazu@hxi.com>
10472
10473         * doc/extend.texi: Replace "option" with "attribute"
10474         appropriately.
10475
10476 2002-01-16  Jakub Jelinek  <jakub@redhat.com>
10477
10478         * config/alpha/alpha.c (some_small_symbolic_mem_operand): Look into
10479         (and:DI () (const_int -8)).
10480         (split_small_symbolic_mem_operand): Split
10481         (mem (and:DI () (const_int -8)).
10482
10483 2002-01-16  Jakub Jelinek  <jakub@redhat.com>
10484
10485         PR target/5309:
10486         * config/sparc/sparc.c (ultrasparc_adjust_cost): Handle TYPE_IDIV the
10487         same way as TYPE_IMUL.
10488         (ultrasparc_sched_reorder): Likewise.
10489         * config/sparc/sparc.md (type): Add comment to update
10490         ultrasparc_sched_reorder when making changes.
10491
10492 2002-01-16  Kazu Hirata  <kazu@hxi.com>
10493
10494         * doc/invoke.texi: Change the dump file name of block
10495         reordering pass from 28.bbro to 29.bbro.
10496         Mention -dk option.
10497
10498 Wed Jan 16 17:54:22 CET 2002  Jan Hubicka  <jh@suse.cz>
10499
10500         * i386.md (minsf splitter): Fix pasto.
10501
10502 2002-01-16  Nick Clifton  <nickc@cambridge.redhat.com>
10503
10504         * config/arm/arm.c (arm_expand_prologue): Add REG_MAYBE_DEAD note
10505         to frame pointer initialisation instruction.
10506         (thumb_expand_prologue): Add REG_MAYBE_DEAD note to frame pointer
10507         initialisation instruction.
10508         (soft_df_operand): Do not accept the IP register.
10509         (nonimmediate_soft_df_operand): Do not accept the IP register.
10510
10511 2002-01-16  Jakub Jelinek  <jakub@redhat.com>
10512
10513         PR target/5357:
10514         * config/sparc/sparc.c (sparc_override_options): Avoid MASK_V9 and
10515         MASK_V8 being both set.
10516
10517 2002-01-16  Ulrich Weigand  <uweigand@de.ibm.com>
10518
10519         * config/s390/s390.c (s390_emit_prologue): Do not emit USE
10520         insn for GOT register; add REG_MAYBE_DEAD notes instead.
10521         config/s390/s390.md (call, call_value): Add GOT register to
10522         CALL_INSN_FUNCTION_USAGE where needed.
10523         (call_exp, call_value_exp): New.
10524
10525 2002-01-16  Nick Clifton  <nickc@cambridge.redhat.com>
10526
10527         * config/arm/arm.c: General formatting tidy up.
10528
10529 2002-01-16  Graham Stott  <grahams@redhat.com>
10530
10531         * calls.c (try_to_integrate): Use "(size_t)" intermediate
10532         cast and when casting an integer literal to "rtx" pointer.
10533         (expand_call): Likewise.
10534         * flow.c (try_pre_increment): Likewise.
10535         (find_use_as_address): Likewise.
10536         * integrate.c (expand_iline_function): Likewise.
10537         * regmove.c (try_auto_increment): Likewise.
10538
10539 2002-01-16  Graham Stott  <grahams@redhat.com>
10540
10541         * sched-rgn.c (passed): Use sbitmap_free.
10542         (header): Likewise.
10543         (inner): Likewise.
10544         (in_queue): Likewise.
10545         (in_stack): Likewise.
10546
10547 2002-01-15  Eric Christopher  <echristo@redhat.com>
10548
10549         * flow.c (propagate_one_insn): Change to use fatal_insn.
10550
10551 2002-01-15  Kazu Hirata  <kazu@hxi.com>
10552
10553         * expmed.c (extract_fixed_bit_field): Remove unused code.
10554         * system.h: Poison SLOW_ZERO_EXTEND.
10555         * doc/tm.texi: Remove.
10556         * config/1750a/1750a.h (SLOW_ZERO_EXTEND): Remove.
10557         * config/arm/arm.h: Likewise.
10558         * config/avr/avr.h: Likewise.
10559         * config/clipper/clipper.h: Likewise.
10560         * config/convex/convex.h: Likewise.
10561         * config/d30v/d30v.h: Likewise.
10562         * config/dsp16xx/dsp16xx.h: Likewise.
10563         * config/elxsi/elxsi.h: Likewise.
10564         * config/fr30/fr30.h: Likewise.
10565         * config/h8300/h8300.h: Likewise.
10566         * config/i370/i370.h: Likewise.
10567         * config/i386/i386.h: Likewise.
10568         * config/m68k/m68k.h: Likewise.
10569         * config/mips/mips.h: Likewise.
10570         * config/ns32k/ns32k.h: Likewise.
10571         * config/pdp11/pdp11.h: Likewise.
10572         * config/pj/pj.h: Likewise.
10573         * config/s390/s390.h: Likewise.
10574         * config/sh/sh.h: Likewise.
10575         * config/stormy16/stormy16.h: Likewise.
10576         * config/v850/v850.h: Likewise.
10577         * config/vax/vax.h: Likewise.
10578         * config/we32k/we32k.h: Likewise.
10579
10580 2002-01-15  Aldy Hernandez  <aldyh@redhat.com>
10581
10582         * config/rs6000/rs6000.md (altivec_stvx): Add parallels to stvx.
10583         (altivec_lvsl): Change constraint to b.
10584         (altivec_lvsr): Same.
10585         (altivec_lvebx): Same.
10586         (altivec_lvehx): Same.
10587         (altivec_lvewx): Same.
10588         (altivec_lvxl): Same.
10589         (altivec_lvx): Same.
10590         (altivec_stvx): Add parallel.
10591         (altivec_stvxl): Same.
10592         (altivec_stvehx): Same.
10593         (altivec_stvebx): Same.
10594         (altivec_stvebx): Same.
10595
10596 2002-01-15  Aldy Hernandez  <aldyh@redhat.com>
10597
10598         * config.gcc: Change altivec.h to altivec-defs.h.
10599
10600         * config/rs6000/altivec.h: Delete.
10601
10602         * config/rs6000/altivec-defs.h: Add.
10603
10604 2002-01-15  John David Anglin  <dave@hiauly1.hia.nrc.ca>
10605
10606         * vax.c (vax_rtx_cost): Return MAX_COST for unsupported MULT, UDIV
10607         and UMOD modes.
10608
10609         * vax.h (INDEX_TERM_P): Restrict indexing to modes which have a size
10610         less than or equal to eight bytes.
10611
10612         * vax.md (andsi3): Remove constraints and change SET destination
10613         operand type to nonimmediate_operand.
10614         (andhi3, andqi3): Likewise.  Don't clear high order bits of operand 1
10615         when it is a CONST_INT.
10616
10617 2002-01-15  Jason Merrill  <jason@redhat.com>
10618
10619         * c-common.def (FILE_STMT): New code.
10620         * c-common.c (statement_code_p): It's a statement.
10621         * c-common.h (stmt_tree_s): Add x_last_filename.
10622         (FILE_STMT_FILENAME_NODE, FILE_STMT_FILENAME): New macros.
10623         (last_expr_filename): New macro.
10624         * c-semantics.c (begin_stmt_tree): Initialize it.
10625         (add_stmt): If the filename changed, also insert a
10626         FILE_STMT.
10627         (expand_stmt): Handle seeing one.
10628
10629 2002-01-15  Eric Christopher  <echristo@redhat.com>
10630
10631         * flow.c (propagate_one_insn): Add error message and print out
10632         insn for debugging.
10633
10634 2002-01-15  Joseph S. Myers  <jsm28@cam.ac.uk>
10635
10636         * system.h (ASM_IDENTIFY_GCC, STDC_VALUE, TRAMPOLINE_ALIGN,
10637         ASM_IDENTIFY_GCC_AFTER_SOURCE): Poison.
10638         * config/pdp11/pdp11.h (TRAMPOLINE_ALIGN): Rename to
10639         TRAMPOLINE_ALIGNMENT.
10640         * config/arm/arm.h, config/mcore/mcore.h: Likewise.  Change value
10641         to be in bits.
10642         * config/i386/cygwin.h (PCC_BITFIELDS_TYPE_MATTERS): Rename to
10643         PCC_BITFIELD_TYPE_MATTERS.
10644         * config/interix.h (STDC_VALUE): Remove.  Use
10645         STDC_0_IN_SYSTEM_HEADERS.
10646         * config/darwin.h (ASM_IDENTIFY_GCC), config/dsp16xx/dsp16xx.h
10647         (ASM_IDENTIFY_GCC), config/stormy16/stormy16.h (ASM_IDENTIFY_GCC,
10648         ASM_IDENTIFY_GCC_AFTER_SOURCE): Remove.
10649
10650 2002-01-15  Craig Rodrigues  <rodrigc@gcc.gnu.org>
10651
10652         * doc/install.texi (hppa*-hp-hpux11): --enable-threads does
10653         not work on this platform currently.
10654
10655 2002-01-15  Joseph S. Myers  <jsm28@cam.ac.uk>
10656
10657         * c-typeck.c (build_unary_op): Don't wrap msgid argument of
10658         readonly_warning in _().
10659
10660 2002-01-15  Douglas B Rupp  <rupp@gnat.com>
10661
10662         * gcc.c (delete_if_ordinary): Backout previous change.
10663
10664 2002-01-15  Kazu Hirata  <kazu@hxi.com>
10665
10666         * config/h8300/h8300.c (print_operand): Remove support for
10667         unused operand characters.
10668
10669         * read-rtl.c: Fix formatting.
10670         * real.c: Likewise.
10671         * recog.c: Likewise.
10672         * regclass.c: Likewise.
10673         * regmove.c: Likewise.
10674         * reg-stack.c: Likewise.
10675         * reload1.c: Likewise.
10676         * rtlanal.c: Likewise.
10677
10678 2002-01-15  Kazu Hirata  <kazu@hxi.com>
10679
10680         * config/i386/i386.c: Fix formatting.
10681
10682 2002-01-15  Jakub Jelinek  <jakub@redhat.com>
10683
10684         * c-typeck.c (process_init_element): Don't save_expr
10685         COMPOUND_LITERAL_EXPR if just its initializer will be used.
10686
10687 2002-01-15  David Edelsohn  <edelsohn@gnu.org>
10688
10689         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Do not
10690         emit optional traceback table if optimize_size or TARGET_ELF.
10691         * config/rs6000/rs6000.md (prefetch): New.
10692
10693 2002-01-15  Andreas Jaeger  <aj@suse.de>
10694
10695         * config.gcc (x86_64-*-*): Install mmintrin.h and xmmintrin.h.
10696
10697 2002-01-15  Kazu Hirata  <kazu@hxi.com>
10698
10699         * mips-tfile.c: Fix formatting.
10700
10701 Tue Jan 15 00:56:11 CET 2002  Jan Hubicka  <jh@suse.cz>
10702
10703         * unroll.c (final_reg_note_copy): Fix previous commit.
10704
10705 2002-01-14  Kazu Hirata  <kazu@hxi.com>
10706
10707         * config/h8300/h8300-protos.h: Remove the prototype for
10708         eq_operator.
10709         * config/h8300/h8300.c (eq_operator): Remove.
10710
10711 2002-01-14  Richard Henderson  <rth@redhat.com>
10712
10713         * config/i386/i386.md (prefetch): Tidy.
10714         (prefetch_3dnow): Fix locality operand.
10715
10716 2002-01-14  Richard Henderson  <rth@redhat.com>
10717
10718         * config/mips/mips.h (HI_AND_FP_REGS): New register class.
10719         (CLASS_CANNOT_CHANGE_MODE): Disallow HI in little-endian mode.
10720
10721 2002-01-14  Hans-Peter Nilsson  <hp@bitrange.com>
10722
10723         * reload1.c (reload_combine): Pass reg_sum replacement through
10724         copy_rtx in loop performing multiple changes.
10725
10726 2002-01-14  Jakub Jelinek  <jakub@redhat.com>
10727
10728         * except.c (remove_unreachable_regions): New.
10729         (free_eh_status): Clear exception_handler_labels.
10730         (convert_from_eh_region_ranges): Call remove_unreachable_regions.
10731         (find_exception_handler_labels): Don't add the same label more than
10732         once.
10733         (remove_exception_handler_label): Don't die if
10734         find_exception_handler_labels hasn't been called for the current
10735         function yet.
10736
10737 Mon Jan 14 21:26:13 CET 2002  Jan Hubicka  <jh@suse.cz>
10738
10739         * toplev.c (rest_of_compilation): Rebuild jump labels after
10740         gcse.
10741
10742 2002-01-14  Joseph S. Myers  <jsm28@cam.ac.uk>
10743
10744         * doc/extend.texi: Move documentation of X86 built-in functions
10745         here.
10746         * doc/invoke.texi: From here.
10747         * doc/sourcebuild.texi: Document location of documentation for
10748         machine built-in functions.
10749
10750 2002-01-13  Christopher Faylor  <cgf@redhat.com>
10751
10752         * cppfiles.c (TEST_THRESHOLD): New macro.
10753         (SHOULD_MMAP): Ditto.
10754         (read_include_file): Use SHOULD_MMAP macro to decide when mmap should
10755         be used.
10756
10757 Mon Jan 14 20:23:34 CET 2002  Jan Hubicka  <jh@suse.cz>
10758
10759         * unroll.c (final_reg_note_copy): Properly handle
10760         REG_LABEL
10761         (unroll_loops): Fix LOOP_CONDITION heuristics.
10762
10763 2002-01-14  Geoffrey Keating  <geoffk@redhat.com>
10764
10765         * doc/invoke.texi (Xstormy16 Options): Add xstormy16 option.
10766         * doc/md.texi (Machine Constraints): Use @minus{} where appropriate.
10767
10768 Mon Jan 14 20:18:19 CET 2002  Jan Hubicka  <jh@suse.cz>
10769
10770         * cfgcleanup.c (try_forward_edges): Avoid infinite loop at infinite
10771         threaded loop.
10772
10773 2002-01-14  Tom Rix  <trix@redhat.com>
10774
10775         * config/rs6000/rs6000.md: Fix typo with sradi.
10776
10777 2002-01-14  Ulrich Weigand  <uweigand@de.ibm.com>
10778
10779         * config/s390/s390.md (movstrdix_64, movstrsix_31, movstrdi_64,
10780         movstrsi_31, clrstrsi_64, clrstrsi_31): Improve RTL templates.
10781         (clrstrdi, clrstrsi): Adapt callers.
10782
10783         (extendsidi2, zero_extendsidi2): Remove no-conflict blocks.
10784
10785         (movti splitter): Never use register 0 as base register.
10786
10787 2002-01-14  Hartmut Penner  <hpenner@de.ibm.com>
10788
10789         * combine.c (simplify_shift_const): Always generate new rtx
10790         for shift expression instead of reusing given expression.
10791
10792 Mon Jan 14 07:08:55 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10793
10794         * config/alpha/alpha.c (alpha_expand_mov): Don't call
10795         alpha_legitimize_address unless mode is Pmode.
10796
10797 2002-01-13  Geoffrey Keating  <geoffk@redhat.com>
10798
10799         * doc/md.texi (Modifiers): Document the '*' constraint for the
10800         user.
10801
10802         * doc/md.texi (Machine Constraints): Add constraints for xstormy16.
10803         * doc/extend.texi (Function Attributes): 'interrupt' is valid
10804         for xstormy16 too.
10805
10806 2002-01-13  Richard Henderson  <rth@redhat.com>
10807
10808         * reload.c (find_reloads): Use a hard reg destination as reload reg
10809         for an input reload of the source.
10810
10811 2002-01-13  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
10812
10813         * doc/install.texi (Binaries): Make link to ftp.writtenword.com
10814         more generic.
10815
10816 Sun Jan 13 07:23:01 2002  Douglas B Rupp  <rupp@gnat.com>
10817
10818         * Makefile.in (LIB2FUNCS): Split into LIB2FUNCS_1 and LIB2FUNCS_2.
10819         * mklibgcc.in (LIB2FUNCS): Split into LIB2FUNCS_1 and LIB2FUNCS_2.
10820
10821         * config/alpha/x-vms (USE_COLLECT2): Set to empty.
10822
10823 Sun Jan 13 06:55:31 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10824
10825         * dwarf2out.c (mem_loc_descriptor, case ADDRESSOF): New case.
10826
10827 2002-01-12  Tom Rix  <trix@redhat.com>
10828
10829         * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Use ior for
10830         TARGET_POWERPC64.
10831
10832 2002-01-12  Richard Henderson  <rth@redhat.com>
10833
10834         * config/i386/i386.c (bdesc_2arg): Mark psadbw MASK_3DNOW_A.
10835
10836         * doc/invoke.texi: Update Alpha options.
10837
10838         * doc/invoke.texi: Update i386 built-in function lists.
10839
10840 Sat Jan 12 17:38:11 CET 2002  Jan Hubicka  <jh@suse.cz>
10841
10842         * unroll.c (final_reg_note_copy): Avoid crash on REG_LABEL note
10843         referencing outside.
10844
10845 Sat Jan 12 08:54:51 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10846
10847         * diagnostic.c (warn_deprecated_use): Rework to lower indentation.
10848         * expr.c (emit_move_insn_1): Remove warning, use HOST_WIDE_INT for
10849         offsets, and change line folding.
10850         * optabs.c (expand_binop): Remove warnings.
10851         * sdbout.c (sdbout_record_type_name): Constify NAME to avoid warning.
10852
10853 2002-01-12  Graham Stott <grahams@redhat.com>
10854
10855         * attribs.c (handle_deprecated_attribute): constify WHAT.
10856         * diagnostic.c (warn_deprecated_use): Add braces, fixes
10857         dangling else warning and constify WHAT.
10858         * except.h (struct function, struct inline_remap): Move
10859         struct tag forward defs before all prototypes.
10860         (duplicate_eh_regions): Whitespace.
10861
10862 2002-01-12  Nick Clifton  <nickc@cambridge.redhat.com>
10863
10864         * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
10865         MODE_BASE_REG_CLASS.
10866         (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Use MODE_BASE_REG_CLASS.
10867
10868 2002-01-12  Richard Henderson  <rth@redhat.com>
10869
10870         * config/i386/i386.c (override_options): If SSE, enable sse prefetch.
10871         (ix86_expand_vector_move): New.
10872         (bdesc_2arg): Remove andps, andnps, orps, xorps.
10873         (ix86_init_mmx_sse_builtins): Make static.  Remove composite builtins.
10874         Remove old prefetch builtins.  Special case the logicals removed above.
10875         (ix86_expand_builtin): Likewise.
10876         (safe_vector_operand): Use V4SFmode, not TImode.
10877         (ix86_expand_store_builtin): Remove shuffle arg.  Update callers.
10878         (ix86_expand_timode_binop_builtin): New.
10879         * config/i386/i386-protos.h: Update.
10880         * config/i386/i386.h (enum ix86_builtins): Update.
10881         * config/i386/i386.md: Correct predicates on MMX/SSE patterns.
10882         Use ix86_expand_vector_move in vector move expanders.
10883         (movti_internal, movti_rex64): Add xorps alternative.
10884         (sse_clrv4sf): Rename and adjust from sse_clrti.
10885         (prefetch): Don't work so hard.
10886         (prefetch_sse, prefetch_3dnow): Use PREFETCH rtx, not UNSPEC.
10887         * config/i386/xmmintrin.h (__m128): Use V4SFmode.
10888         (_mm_getcsr, _mm_setcsr): Fix typo in builtin name.
10889
10890 2002-01-11  Richard Henderson  <rth@redhat.com>
10891
10892         * config/i386/mmintrin.h: New file.
10893         * config/i386/xmmintrin.h: New file.
10894         * config.gcc (i?86-*-*): Add extra_headers.
10895         * simplify-rtx.c (simplify_unary_operation): Handle saturating
10896         truncation codes.
10897         (simplify_binary_operation): Handle saturating arithmetic codes.
10898         * config/i386/i386.c (ix86_expand_sse_comi): Return the full result,
10899         not the lowpart subreg.
10900         (ix86_expand_builtin): Return a TImode dummy register instead of 0
10901         on error.
10902         * config/i386/i386.md (mmx_clrdi): Override memory attribute.
10903
10904 2002-01-12  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
10905
10906         * conflict.c (conflict_graph_compute): Free regsets when finished.
10907         * ssa.c (compute_coalesced_reg_partition): Likewise.
10908
10909 2002-01-12  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10910
10911         * global.c (find_reg): Check for HARD_REGNO_CALL_PART_CLOBBERED
10912         every where we allocate a register.
10913
10914 2002-01-12  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
10915
10916         * gcse.c (compute_pre_data, pre_gcse): Use sbitmap_free.
10917         * lcm.c (compute_earliest, compute_farthest): Likewise.
10918
10919 2002-01-11  Janis Johnson  <janis187@us.ibm.com>
10920
10921         * expr.c (expand_assignment): Fix misuse of MEM_KEEP_ALIAS_SET.
10922
10923 2002-01-11  Janis Johnson  <janis187@us.ibm.com>
10924
10925         * doc/rtl.texi (Insns): Fix 2 typos.
10926
10927 2002-01-11  Joseph S. Myers  <jsm28@cam.ac.uk>
10928
10929         * doc/invoke.texi: Avoid overfull hboxes.  Add summary of D30V
10930         options.  Use @table @gcctabopt for MMIX options.  Add index
10931         entries for MMIX options.  Start new paragraph with first
10932         heading of the machine-dependent options.
10933
10934 2002-01-11  Craig Rodrigues  <rodrigc@gcc.gnu.org>
10935
10936         PR other/5299
10937         * config/ns32k/ns32k.md: Fix spelling mistake of "than" in comments.
10938         * combine.c (force_to_mode): Same.
10939         * reload1.c (clear_reload_reg_in_use): Same.
10940
10941 2002-01-11  Nick Clifton  <nickc@cambridge.redhat.com>
10942
10943         * config/arm/arm.c (arm_gen_constant): Correct test of 'remainder'
10944         and 'subtargets'.
10945
10946 2002-01-11  Andreas Jaeger  <aj@suse.de>,
10947             Brad Lucier <lucier@math.purdue.edu>
10948
10949         * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Remove wrong
10950         mcpu.
10951
10952 Fri Jan 11 07:35:12 2002  Douglas B Rupp  <rupp@gnat.com>
10953
10954         * config/alpha/vms.h: (MD_FALLBACK_FRAME_STATE_FOR): Fix errors.
10955         Protect with IN_LIBGCC.
10956         (LINK_EH_SPEC): Add required trailing space.
10957
10958 Fri Jan 11 09:25:05 2002  Nicola Pero  <n.pero@mi.flashnet.it>
10959
10960         * c-tree.h: Move function declarations so that they are listed
10961         under the filename which contains them.
10962         (check_identifier, finish_decl_top_level,
10963         lookup_name_current_level_global, shadow_record_fields): Remove.
10964
10965 2002-01-11  Andreas Jaeger  <aj@suse.de>
10966
10967         * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Remove duplicated
10968         march.
10969
10970 2002-01-10  Richard Henderson  <rth@redhat.com>
10971
10972         * config/alpha/alpha.c (print_operand): Add 'J'.
10973         * config/alpha/alpha.md (call_osf_1_er, call_value_osf_1_er): Take a
10974         new operand with the sequence number for the lituse.  When splitting
10975         the insns, use gen_movdi_er_high_g and generate a sequence number.
10976         (gen_movdi_er_high_g): Print the sequence number if non-zero.
10977
10978 2002-01-10  Aldy Hernandez  <aldyh@redhat.com>
10979
10980         * config/rs6000/rs6000.c (altivec_init_builtins): Add support for
10981         lvebx, lvehx, lvewx, lvxl, lvx, stvx, stvebx, stvehx, stvewx,
10982         stvxl.
10983         (altivec_expand_builtin): Same.
10984         (altivec_expand_stv_builtin): New.
10985
10986         * config/rs6000/rs6000.h (rs6000_builtins): Same.
10987
10988         * config/rs6000/rs6000.md ("altivec_lvebx"): New.
10989         ("altivec_lvehx"): New.
10990         ("altivec_lvewx"): New.
10991         ("altivec_lvxl"): New.
10992         ("altivec_lvx"): New.
10993         ("altivec_stvx"): New.
10994         ("altivec_stvebx"): New.
10995         ("altivec_stvehx"): New.
10996         ("altivec_stvewx"): New.
10997         ("altivec_stvxl"): New.
10998
10999 2002-01-10  Richard Henderson  <rth@redhat.com>
11000
11001         * cfgrtl.c (delete_insn): Assert insn hasn't been deleted yet.
11002         * reload1.c (delete_output_reload): Zap spill_reg_store.  Take
11003         care not to delete instructions twice.
11004
11005 2002-01-10  Zack Weinberg  <zack@codesourcery.com>
11006
11007         * toplev.c: Don't declare environ (it's not used anywhere).
11008         * configure.in: Don't check for declaration of environ.
11009         * config/i386/xm-mingw32.h: Don't #define environ.
11010         * config.in, configure: Regenerate.
11011
11012 2002-01-10  Zack Weinberg  <zack@codesourcery.com>
11013
11014         * configure.in: Set stage1_cflags for powerpc-*-darwin*.
11015         * configure: Regenerate.
11016
11017         * config/interix.h: Set DO_GLOBAL_CTORS_BODY and
11018         DO_GLOBAL_DTORS_BODY here, not in xm-interix.h.
11019         * config/alpha/vms.h: Set INCLUDE_DEFAULTS here, not in
11020         alpha/xm-vms.h.
11021         * config/m68k/t-next: Set OTHER_FIXINCLUDES_DIRS and
11022         LIMITS_H_TEST here, not in m68k/x-next.
11023         * config/rs6000/beos.h: Set STANDARD_INCLUDE_DIR and
11024         SYSTEM_INCLUDE_DIR here, not in rs6000/xm-beos.h.
11025
11026         * config/x-interix: Don't set RANLIB, RANLIB_TEST, SHELL,
11027         LIBGCC2_INCLUDES, or SYSTEM_HEADER_DIR.
11028         * config/alpha/x-vms: Don't set USE_COLLECT2.  Add comments.
11029
11030         * config/i386/x-djgpp: Renamed i386/t-djgpp.
11031         * config/m88k/x-dolph: Renamed m88k/t-dolph.
11032         * config/m88k/x-texXD88: Renamed m88k/t-texXD88.
11033         * config/pa/x-pa-mpeix: Renamed pa/t-mpeix.  Update for
11034         replacement of quadlib.asm with quadlib.c.
11035
11036         * config/x-interix3, config/xm-interix.h, config/i386/x-beos,
11037         config/i386/xm-osf1elf.h, config/rs6000/x-darwin,
11038         config/rs6000/xm-beos.h: Delete file.
11039
11040         * config.gcc: Update to match above changes.
11041
11042 2002-01-10  Kazu Hirata  <kazu@hxi.com>
11043
11044         * config/h8300/h8300.h: Fix comment typos.
11045         * config/h8300/h8300.md: Likewise.
11046         * config/h8300/lib1funcs.asm: Likewise.
11047
11048 2002-01-10  Dale Johannesen  <dalej@apple.com>
11049
11050         PR optimization/5269
11051         * unroll.c (precondition_loop_p): Make *increment be the correct
11052         sign when n_iterations known, to avoid confusing caller.
11053
11054 2002-01-10  Kazu Hirata  <kazu@hxi.com>
11055
11056         * doc/extend.texi (deprecated): Fix a typo.
11057
11058 Thu Jan 10 22:35:54 CET 2002  Jan Hubicka  <jh@suse.cz>
11059
11060         * basic-block.h (update_br_prob_note): Declare.
11061         * cfgcleanup.c (try_simplify_condjump): Call update_br_prob_note.
11062         (try_forward_edges): Care negative frequencies and update note.
11063         (outgoing_edges_match): Tweek conditional merging heuristics.
11064         (try_crossjump_to_edge): use update_br_prob_note.
11065         * cfglayout.c (fixup_reorder_chain): Likewise.
11066         * cfrtl.c (update_br_prob_note): New.
11067         * ifcvt.c (dead_or_predicable): Call update_br_prob_note.
11068
11069         * i386.c (ix86_decompose_address): Return -1 if address contains
11070         shift.
11071         (legitimate_address_p): Require ix86_decompose_address to return 1.
11072
11073         * gcse.c (hash_scan_set): Use CONSTANT_INSN_P.
11074         (cprop_insn): Likewise.
11075
11076 2002-01-10  Kazu Hirata  <kazu@hxi.com>
11077
11078         * toplev.c: Fix formatting.
11079         * tree.c: Likewise.
11080         * tree-dump.c: Likewise.
11081         * unroll.c: Likewise.
11082         * unwind-dw2.c: Likewise.
11083         * unwind-dw2-fde.c: Likewise.
11084         * unwind-dw2-fde-glibc.c: Likewise.
11085         * unwind-sjlj.c: Likewise.
11086
11087 2002-01-10  Joseph S. Myers  <jsm28@cam.ac.uk>
11088
11089         * doc/invoke.texi: Document PDP-11 options.
11090
11091 2002-01-10  Kazu Hirata  <kazu@hxi.com>
11092
11093         * config/h8300/h8300.h: Fix formatting.
11094
11095 2002-01-10  Ira Ruben   <ira@apple.com>
11096
11097         Add __attribute__ ((deprecated)).
11098         * extend.texi: Document __attribute__ ((deprecated)).
11099         * invoke.texi: Document -Wno-deprecated-declarations.
11100         * testsuite/g++.dg/other/deprecated.C: New C++ test.
11101         * testsuite/gcc.dg/deprecated.c: New C test.
11102         * attribs.c (enum attrs): Declare handle_deprecated_attribute().
11103         (c_common_attribute_table): Add "deprecated" entry.
11104         (handle_deprecated_attribute): New function.
11105         * c-decl.c (deprecated_states): New enum.
11106         deprecated_state: State of "deprecated" handling.
11107         (start_decl): Set deprecated_state based on attributes.
11108         (grokdeclarator): Test for deprecated uses, propagate attribute.
11109         * c-typeck.c (build_component_ref): Test for deprecated fields.
11110         (build_external_ref): Test for deprecated primaries.
11111         * diagnostic.c (warn_deprecated_use) New function to issue
11112         warnings about __attribute__ ((depricated)) references.
11113         * flags.h (warn_deprecated_decl): Extern declared for
11114         -W[no-]deprecated-declarations option.
11115         * print-tree.c (print_node): Show deprecated flag status.
11116         * toplev.c (warn_deprecated_decl): Defined.
11117         (W_options): Added "deprecated-declaration".
11118         * toplev.h (warn_deprecated_use): Extern declared.
11119         * tree.h (struct tree_common): Define deprecated_flag.
11120         (TREE_DEPRECATED): New macro to access flag.
11121         * cp/call.c (build_call): Test for deprecated calls.
11122         * cp/class.c (add_implicitly_declared_members): Set global
11123         flag to tell grokdeclarator to not issue deprecated warnings.
11124         * cp/cp-tree.h: Add extern for adding_implicit_members.
11125         * cp/decl.c (deprecated_states): New enum.
11126         (start_decl): Set deprecated_state based on attributes.
11127         (grokdeclarator): Test for deprecated uses, propagate attribute.
11128         * cp/lex.c (do_identifier): Test for deprecated primaries.
11129         * cp/typeck.c (build_component_ref): Test for deprecated fields.
11130
11131 2002-01-10  Ira Ruben   <ira@apple.com>
11132
11133         Fix to assign attributes to inline member functions.
11134         * cp/decl.c (start_method): Handle attrlist.
11135
11136 2002-01-10  Kazu Hirata  <kazu@hxi.com>
11137
11138         * combine.c (expand_field_assignment): Use subreg_lsb().
11139
11140 2002-01-10  David Edelsohn  <edelsohn@gnu.org>
11141
11142         * alias.c (find_base_value): Add cases for HIGH, PRE_INC, PRE_DEC,
11143         POST_INC, POST_DEC, PRE_MODIFY, and POST_MODIFY.
11144         (find_base_term): Add cases for TRUNCATE, PRE_MODIFY, and POST_MODIFY.
11145         Recurse for any operand of AND as long as constant is non-zero.
11146
11147 2002-01-10  Kazu Hirata  <kazu@hxi.com>
11148
11149         * config/h8300/h8300.md: Remove constraints from expanders.
11150
11151 2002-01-10  Kazu Hirata  <kazu@hxi.com>
11152
11153         * varasm.c: Fix formatting.
11154         * varray.c: Likewise.
11155         * vmsdbgout.c: Likewise.
11156         * xcoffout.c: Likewise.
11157
11158 Thu Jan 10 17:19:12 CET 2002  Jan Hubicka  <jh@suse.cz>
11159
11160         * cfgcleanup.c (try_forward_edges): Properly initialize nthreaded_edges;
11161         update edge probabilities to match.
11162
11163 2002-01-10  Joseph S. Myers  <jsm28@cam.ac.uk>
11164
11165         * Makefile.in ($(docdir)/gccint.info, gccint.dvi): Add additional
11166         dependencies.
11167         * doc/languages.texi, doc/sourcebuild.texi: New files.
11168         * doc/configfiles.texi: Make a subsubsection.  Update.
11169         * doc/configterms.texi: Add @node.  Remove warning that this isn't
11170         instructions for building GCC.
11171         * doc/makefile.texi: Make a subsection.
11172         * doc/gccint.texi: Update.
11173
11174 Thu Jan 10 16:39:58 CET 2002  Jan Hubicka  <jh@suse.cz>
11175
11176         * i386.md (sse_mov?fcc_const0_?): Fix constraints.
11177
11178 Thu Jan 10 12:45:50 2002  Nicola Pero  <n.pero@mi.flashnet.it>
11179
11180         * doc/cpp.texi: Document the __OBJC__ preprocessor macro.
11181
11182 Thu Jan 10 11:19:18 CET 2002  Jan Hubicka  <jh@suse.cz>
11183
11184         * optabs.c (expand_fix): Look for wider integer modes first.
11185
11186         * i386.md (mov?f): Avoid the fake const double trick for medium
11187         memory model.
11188         (min?f*/max?f*): Prohibit memory operands for i387 variant.
11189         (fop_df_4): Disable for SSE compilation.
11190
11191 2002-01-10  Graham Stott  <grahams@redhat.com>
11192
11193         * dwarf2out.c (indirect_string_alloc, output_indirect_string):
11194         Move prototype into DWARF2_DEBUGGING_INFO conditional block.
11195
11196 2002-01-10  Richard Henderson  <rth@redhat.com>
11197
11198         * config/alpha/alpha.md (extendsidi2_fix): Penalize f/f alternative.
11199
11200 2002-01-10  Richard Henderson  <rth@redhat.com>
11201
11202         * regrename.c (find_oldest_value_reg): Fix typo in mode change check.
11203         (copyprop_hardreg_forward_1): Likewise.  Use mode_change_ok.
11204
11205 2002-01-10  Kazu Hirata  <kazu@hxi.com>
11206
11207         * combine.c (can_combine_p): Fix a comment typo.
11208
11209 2002-01-09  Zack Weinberg  <zack@codesourcery.com>
11210
11211         * Makefile.in (s-gencheck, s-options, s-specs): Handle an
11212         empty list correctly.  Change loop index $t to $f for
11213         consistency with rest of Makefile.
11214
11215 2002-01-08  Aldy Hernandez  <aldyh@redhat.com>
11216
11217         * testuite/gcc.dg/altivec-4.c: Add test for mtvscr, dssall,
11218         mfvscr, dss, lvsl, lvsr, dstt, dstst, dststt, dst.
11219
11220         * config/rs6000/rs6000.c (altivec_expand_builtin): Add support for
11221         mtvscr, dssall, mfvscr, dss, lvsl, lvsr, dstt, dst, dstst, dststt.
11222         (altivec_init_builtins): Same.
11223         (altivec_expand_unop_builtin): Return NULL_RTX on error.
11224         (altivec_expand_binop_builtin): Same.
11225         (altivec_expand_ternop_builtin): Same.
11226         (bdesc_dst): New.
11227
11228         * config/rs6000/rs6000.md ("altivec_mtvscr"): New.
11229         ("altivec_vctuxs"): Fix typo.
11230         ("altivec_vnmsubfp"): Same.
11231         ("altivec_dssall"): New.
11232         ("altivec_mfvscr"): New.
11233         ("altivec_dss"): New.
11234         ("altivec_lvsl"): New.
11235         ("altivec_lvsr"): New.
11236         ("altivec_dstt"): New.
11237         ("altivec_dstst"): New.
11238         ("altivec_dststt"): New.
11239         ("altivec_dst"): New.
11240
11241         * config/rs6000/rs6000.h (rs6000_builtins): Add mtvscr, dssall,
11242         mfvscr, dss, lvsl, lvsr, dstt, dstst, dststt, dst.
11243
11244 2002-01-09  Richard Henderson  <rth@redhat.com>
11245
11246         * config/alpha/alpha.md (prologue_mcount): Remove lituse_jsr reloc.
11247
11248 2002-01-10  Hans-Peter Nilsson  <hp@bitrange.com>
11249
11250         * config/mmix/mmix.c (mmix_asm_identify_gcc): Remove unused
11251         function.
11252         * config/mmix/mmix-protos.h (mmix_asm_identify_gcc): Don't
11253         prototype.
11254         * config/mmix/mmix.h (ASM_IDENTIFY_GCC): Remove unused macro.
11255
11256 2002-01-09  Kazu Hirata  <kazu@hxi.com>
11257
11258         * read-rtl.c: Fix formatting.
11259         * real.c: Likewise.
11260         * regclass.c: Likewise.
11261         * regrename.c: Likewise.
11262         * reg-stack.c: Likewise.
11263         * reload1.c: Likewise.
11264         * reload.c: Likewise.
11265         * rtl.c: Likewise.
11266
11267 2002-01-09  Kazu Hirata  <kazu@hxi.com>
11268
11269         * rtlanal.c (find_reg_fusage): Use XEXP instead of SET_DEST
11270         to extract items in the expr_list chain.
11271
11272 2002-01-09  Richard Henderson  <rth@redhat.com>
11273
11274         * config/vax/vax.c (vax_rtx_cost): Never abort.
11275
11276         * config/vax/vax.h (REAL_ARITHMETIC): Define.
11277
11278 2002-01-09  Jan Hubicka  <jh@suse.cz>
11279
11280         * gcse.c (cprop_jump): Delete insn if simplified jump is no-op.
11281
11282 2002-01-09  Richard Henderson  <rth@redhat.com>
11283
11284         * config/arm/arm.c (arm_gen_constant): Use trunc_int_for_mode.
11285         Unify code from various alternatives.
11286
11287 2002-01-09  Richard Henderson  <rth@redhat.com>
11288
11289         * regrename.c (copy_value): Ignore the copy if the source register
11290         is present in the value chain with a narrower mode.
11291
11292 2002-01-09  Herman A.J. ten Brugge  <Haj.Ten.Brugge@net.HCC.nl>
11293
11294         * real.c (c4xtoe, toc4x): Do some special conversion on long doubles
11295         for the c4x target. Also improve layout.
11296
11297 2002-01-09  Richard Henderson  <rth@redhat.com>
11298
11299         * config/m32r/m32r.c (move_src_operand): Fix 32-bit int test.
11300         * config/m32r/m32r.md (and ior xor splitters): Swap operands
11301         to match insn patterns.
11302
11303 2002-01-09  Richard Henderson  <rth@redhat.com>
11304
11305         * regrename.c (find_oldest_value_reg): Use gen_rtx_raw_REG.
11306         (copyprop_hardreg_forward_1): Likewise.
11307
11308 2002-01-09  John David Anglin  <dave@hiauly1.hia.nrc.ca>
11309
11310         * pa.md (decrement_and_branch_until_zero): Change predicate for
11311         operand 0 from register_operand to reg_or_nonsymb_mem_operand.
11312
11313 2002-01-09  Bryce McKinlay  <bryce@waitaki.otago.ac.nz>
11314
11315         * ginclude/stddef.h: Define _BSD_WCHAR_T_DEFINED_ if _BSD_WCHAR_T_
11316         gets undefined. For Darwin.
11317
11318 2002-01-09  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11319
11320         * config/c4x/c4x.h: Use PUSH_ARGS and PUSH_ROUNDING for stack passing.
11321
11322 2002-01-09  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
11323
11324         * config/c4x/c4x/md: Remove extraneous constraints from define_splits.
11325
11326 2002-01-08  Richard Henderson  <rth@redhat.com>
11327
11328         * regrename.c (copy_value): Ignore overlapping copies.
11329
11330 2002-01-08  Richard Henderson  <rth@redhat.com>
11331
11332         * config/alpha/alpha.c (alpha_split_conditional_move): Call copy_rtx
11333         as needed to avoid shared structure.
11334
11335 2002-01-08  Kazu Hirata  <kazu@hxi.com>
11336
11337         * config/h8300/h8300.c (get_shift_alg): Fix 15-bit LSHIFTRT on
11338         H8/300H and H8/S.
11339
11340 2002-01-08  Joseph S. Myers  <jsm28@cam.ac.uk>
11341
11342         * doc/tm.texi (EASY_DIV_EXPR, IMPLICIT_FIX_EXPR,
11343         LONGJMP_RESTORE_FROM_STACK, MAX_INT_TYPE_SIZE): Remove
11344         documentation of obsolete macros.
11345         * system.h: Poison these macros.
11346         * config/1750a/1750a.h, config/a29k/a29k.h, config/alpha/alpha.h,
11347         config/arc/arc.h, config/arm/arm.h, config/avr/avr.h,
11348         config/c4x/c4x.h, config/clipper/clipper.h,
11349         config/convex/convex.h, config/cris/cris.h, config/d30v/d30v.h,
11350         config/dsp16xx/dsp16xx.h, config/elxsi/elxsi.h,
11351         config/fr30/fr30.h, config/h8300/h8300.h, config/i370/i370.h,
11352         config/i386/i386.h, config/i860/i860.h, config/i960/i960.h,
11353         config/ia64/ia64.h, config/m32r/m32r.h, config/m68hc11/m68hc11.h,
11354         config/m68k/m68k.h, config/m88k/m88k.h, config/mcore/mcore.h,
11355         config/mips/mips.h, config/mmix/mmix.h, config/mn10200/mn10200.h,
11356         config/mn10300/mn10300.h, config/ns32k/ns32k.h, config/pa/pa.h,
11357         config/pdp11/pdp11.h, config/pj/pj.h, config/romp/romp.h,
11358         config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.h,
11359         config/sparc/sparc.h, config/stormy16/stormy16.h,
11360         config/v850/v850.h, config/vax/vax.h, config/we32k/we32k.h: Remove
11361         definitions and commented out definitions of obsolete macros.
11362         * config/mips/iris5.h (MAX_WCHAR_TYPE_SIZE): Don't define in terms
11363         of MAX_INT_TYPE_SIZE.
11364
11365 2002-01-08  Ulrich Weigand  <uweigand@de.ibm.com>
11366
11367         * config/s390/s390.c (s390_preferred_reload_class): Never
11368         return ADDR_REGS if it isn't a subset of the given class.
11369         * config/s390/s390.h (REGISTER_MOVE_COST): Penalize not just
11370         FP_REGS, but all superclasses as well.
11371
11372         * config/s390/s390.c (s390_function_profiler): Fix thinko.
11373
11374         * config/s390/s390.md (cmpdi_ccu_mem, cmpsi_ccu_mem,
11375         cmphi_ccu_mem, cmpqi_ccu_mem): First operand of compare
11376         must not be a const_int.
11377
11378 2002-01-08  Richard Henderson  <rth@redhat.com>
11379
11380         * Makefile.in (toplev.o): Depend on options.h.
11381         (gcc.o): Depend on specs.h.
11382
11383 2002-01-08  Jakub Jelinek  <jakub@redhat.com>
11384
11385         * expr.c (store_expr): Convert VOIDmode constants back to target's
11386         mode.
11387
11388 2002-01-08  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
11389
11390         * doc/invoke.texi: Markup gcc as @command.  Refer to
11391         http://gcc.gnu.org/onlinedocs/gcc/Contributors.html instead
11392         of http://gcc.gnu.org/thanks.html.
11393
11394 2002-01-08  Dale Johannesen  <dalej@apple.com>
11395
11396         * config/rs6000/rs6000.md: Add missing int register
11397         target case to movdf_low.
11398
11399 2002-01-08  Zack Weinberg  <zack@codesourcery.com>
11400
11401         * Makefile.in (cs-tconfig.h): Don't depend on $(CONFIG_H) or
11402         except.h.  Remove commands to define USING_SJLJ_EXCEPTIONS.
11403         (cppinit.o): Depend on except.h.
11404         (gencheck.h, options.h, specs.h, s-gencheck, s-options,
11405         s-specs): New rules.
11406
11407         * configure.in: Don't AC_DEFINE_UNQUOTED PACKAGE or VERSION.
11408         Don't create specs.h/options.h/gencheck.h here.  Remove
11409         unnecessary variable settings from last argument of AC_OUTPUT.
11410         * config.in, configure: Regenerate.
11411         * intl.c: Hardcode package name as "gcc".
11412
11413         * cppinit.c: Include except.h.
11414         (builtin_array): Define __USING_SJLJ_EXCEPTIONS__ when
11415         appropriate.
11416         * unwind-dw2.c, unwind-sjlj.c, config/ia64/unwind-ia64.c:
11417         Use #if(n)def __USING_SJLJ_EXCEPTIONS, not #if
11418         (!)USING_SJLJ_EXCEPTIONS.
11419         * doc/cpp.texi: Document __USING_SJLJ_EXCEPTIONS__.
11420
11421 2002-01-08  Joseph S. Myers  <jsm28@cam.ac.uk>
11422
11423         * doc/tm.texi (ASM_OUTPUT_EH_REGION_BEG, ASM_OUTPUT_EH_REGION_END,
11424         ASM_OUTPUT_LABELREF_AS_INT, DOESNT_NEED_UNWINDER, EH_TABLE_LOOKUP,
11425         OBJC_SELECTORS_WITHOUT_LABELS, OMIT_EH_TABLE): Remove
11426         documentation of obsolete macros.
11427         * system.h: Poison these macros.
11428         * config/d30v/d30v.h, config/ns32k/encore.h,
11429         config/stormy16/stormy16.h: Remove definitions and commented out
11430         definitions of obsolete macros.
11431
11432 Tue Jan  8 15:56:41 2002  Nicola Pero  <nicola@brainstorm.co.uk>
11433
11434         * objc/objc-act.c (handle_class_ref): Mark the declaration of
11435         %sobjc_class_ref_%s as used - to prevent unwanted compiler
11436         warnings.
11437
11438 2002-01-08  Ulrich Weigand  <uweigand@de.ibm.com>
11439
11440         * config/s390/linux.h (ASM_OUTPUT_LABELREF): Remove.
11441         * config/s390/s390.c (s390_emit_epilog): Add REG_FRAME_RELATED_EXPR
11442         to insn adjusting stack/frame pointer.
11443         * config/s390/s390.md (reload_la_64, reload_la_31): Do not
11444         accept operands that cause the insn to be non-splittable.
11445
11446 2002-01-08  Graham Stott  <grahams@redhat.com>
11447
11448         * c-tree.h (C_TYPE_FIELDS_READONLY): Uppercase macro parameter.
11449         (C_TYPE_FIELDS_VOLATILE): Likewise.
11450         (C_TYPE_BEING_DEFINED): Likewise.
11451         (C_IS_RESERVED_WORD): Likewise.
11452         (C_TYPE_VARIABLE_SIZE): Likewise.
11453         (C_DECL_VARIABLE_SIZE): Likewise.
11454         (C_MISSING_PROTOTYPE_WARNED): Likewise.
11455         (C_SET_EXP_ORIGINAL_CODE): Likewise.
11456         (C_TYPEDEF_EXPLICITLY_SIGNED): Uppercase macro parameter and remove
11457         parenthesis.
11458         (C_DECL_ANTICIPATED): Likewise.
11459         (c_build_type_variant): Add parenthesis.
11460
11461 2002-01-08  Joseph S. Myers  <jsm28@cam.ac.uk>
11462
11463         * gcc.c (option_map): Remove --version.
11464         (process_command): Handle -fversion following the GNU Coding
11465         Standards.  Partially addresses PR other/704.
11466
11467 2002-01-08  Graham Stott  <grahams@redhat.com>
11468
11469         * combine.c (combine_instructions): Fix typo.
11470
11471 2002-01-08  Graham Stott  <grahams@redhat.com>
11472
11473         * debug.h: Use "tree" and "rtx" throughout.
11474
11475         * debug.c: Likewise.
11476
11477 2002-01-08  Nick Clifton  <nickc@cambridge.redhat.com>
11478
11479         * dbxout.c (dbxout_symbol_location): If a symbol ref is in the
11480         constant pool, use the pool's version of the symbol instead.
11481
11482 2002-01-07  Richard Henderson  <rth@redhat.com>
11483
11484         * regrename.c (find_oldest_value_reg): Ignore the value chain if
11485         the original register was copied in a mode with a fewer number of
11486         hard registers than the desired mode.
11487         (copyprop_hardreg_forward_1): Likewise.
11488         (debug_value_data): Fix loop test.
11489         * toplev.c (parse_options_and_default_flags): Reenable
11490         -fcprop-registers at -O1.
11491
11492 2002-01-07  Aldy Hernandez  <aldyh@redhat.com>
11493
11494         * config/rs6000/rs6000.c (bdesc_2arg): Add altivec predicates.
11495         (altivec_init_builtins): New node v4si_ftype_v16qi_v16qi.
11496
11497         * config/rs6000/rs6000.h (rs6000_builtins): Add enums for altivec
11498         predicates.
11499
11500         * config/rs6000/rs6000.md: Add altivec predicate patterns.
11501
11502 2002-01-07  John David Anglin  <dave@hiauly1.hia.nrc.ca>
11503
11504         * pa.c (FUNC_BEGIN_PROLOG_LABEL, current_function_number): Define.
11505         (pa_output_function_prologue): Output local label at the beginning of
11506         the prologue when profiling.
11507         (hppa_profile_hook): Use the local label rather than the function label.
11508         * pa.h (PROFILE_BEFORE_PROLOGUE): Define.
11509
11510 2002-01-07  Aldy Hernandez  <aldyh@redhat.com>
11511
11512         * config/rs6000/rs6000.c (print_operand): Remove extra space.
11513         (altivec_expand_unop_builtin): Fix thinko.
11514         (altivec_expand_binop_builtin): Same.
11515         (altivec_expand_ternop_builtin): Same.
11516         (altivec_expand_builtin): Same.
11517
11518 2002-01-07  Richard Henderson  <rth@redhat.com>
11519
11520         * config/rs6000/xcoff.h (ASM_FILE_START): Reverted to profile_flag.
11521
11522 2002-01-07  Jason Merrill  <jason@redhat.com>
11523
11524         * unwind-dw2.c (execute_cfa_program): Use < again.
11525
11526 2002-01-07  Jakub Jelinek  <jakub@redhat.com>
11527
11528         * predict.c (combine_predictions_for_insn): Avoid division by zero.
11529
11530 2002-01-07  Jakub Jelinek  <jakub@redhat.com>
11531
11532         * simplify-rtx.c (simplify_plus_minus): Bump n_ops for NOT.
11533         Don't allow -1 - x -> ~x simplifications in the first pass.
11534
11535 2002-01-07  Aldy Hernandez  <aldyh@redhat.com>
11536
11537         * rs6000.c (altivec_expand_ternop_builtin): Don't die on invalid
11538         arguments.
11539         (altivec_expand_binop_builtin): Same.
11540         (altivec_expand_unop_builtin): Same.
11541         (print_operand): Fix typo.
11542         (bdesc_1arg): Add vupk* variants.
11543
11544         * rs6000.h (rs6000_builtins): Add vupk* enums.
11545
11546         * rs6000.md: Add altivec_vupk* variants.
11547
11548 2002-01-07  Joseph S. Myers  <jsm28@cam.ac.uk>
11549
11550         * doc/gcc.texi, doc/gccint.texi, doc/cppinternals.texi,
11551         doc/install.texi, doc/invoke.texi, doc/rtl.texi: Update copyright
11552         and last update dates.
11553
11554 2002-01-07  Janis Johnson  <janis187@us.ibm.com>
11555
11556         * doc/rtl.texi (Flags): Clean up documentation of RTL flags
11557
11558 2002-01-07  Marek Michalkiewicz  <marekm@amelek.gda.pl>
11559
11560         * config/avr/avr.c (avr_mcu_types): Add new MCU types.
11561         * config/avr/avr.h (CPP_SPEC): Likewise.
11562         (LINK_SPEC): Likewise.
11563         (CRT_BINUTILS_SPECS): Likewise.
11564         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
11565         * doc/invoke.texi (AVR Options): Document them.
11566
11567 Mon Jan  7 11:59:34 CET 2002  Jan Hubicka  <jh@suse.cz>
11568
11569         * unroll.c (copy_loop_body): Always properly update JUMP_LABEL and
11570         LABEL_NUSES.
11571
11572 2002-01-07  Graham Stott  <grahams@redhat.com>
11573
11574         * config/i386/i386.h: Update copyright date.
11575         (HALF_PIC_PTR): Add parenthesis.
11576         (OPTIMIZATION_OPTIONS): Whitespace, add parenthesis and wrap.
11577         (CONSTANT_ALIGNMENT): Add parenthesis.
11578         (DATA_ALIGNMENT): Likewise.
11579         (LOCAL_ALIGNMENT): Likewise.
11580         (FUNCTION_ARG_BOUNDARY): Whitespace, add parenthesis and wrap.
11581         (IS_STACK_MODE): Uppercase macro parameter, add parenthesis and wrap.
11582         (CONDITIONAL_REGISTER_USAGE): Wrap in do {...} while (0).
11583         (HARD_REGNO_NREGS): Add paranethesis.
11584         (VALID_SSE_REG_MODE): Whitespace.
11585         (VALID_MMX_REG_MODE): Whitespace.
11586         (VALID_FP_MODE_P): Uppercase macros parameter and whitespace.
11587         (ix86_hard_regno_mode_ok): Add parenthesis.
11588         (HARD_REGNO_CALLER_SAVE_MODE): Whitespace.
11589         (RETURN_IN_MEMORY): Whitespace.
11590         (N_REG_CLASSES): Add parenthesis.
11591         (INTEGER_CLASS_P): Add parenthesis and wrap.
11592         (FLOAT_CLASS_P): Likewise.
11593         (SSE_CLASS_P): Likewise.
11594         (MMX_CLASS_P): Likewise.
11595         (MAYBE_INTEGER_CLASS_P): Likewise.
11596         (MAYBE_FLOAT_CLASS_P): Likewise.
11597         (MAYBE_SSE_CLASS_P): Likewise.
11598         (MAYBE_MMX_CLASS_P): Likewise.
11599         (Q_CLASS_P): Likewise.
11600         (GENERAL_REGNO_P): Uppercase macro parameter.
11601         (REX_INT_REGNO_P): Uppercase macro parameter and wrap.
11602         (FP_REGNO_P): Likewise.
11603         (ANY_FP_REGNO_P): Uppercase macro parameter.
11604         (SSE_REGNO_P): Likewise.
11605         (SSE_REGNO): Likewise.
11606         (SSE_REG_P): Likewise.
11607         (SSE_FLOAT_MODE_P): Likewise.
11608         (MMX_REGNO_P): Likewise.
11609         (MMX_REG_P):Likewise.
11610         (STACK_REG_P): Likewise.
11611         (NON_STACK_REG_P): Likewise.
11612         (STACK_TOP_P): Likewise.
11613         (CONVERT_HARD_REGISTER_TO_SSA_P): Add parenthesis.
11614         (PREFERRED_RELOAD_CLASS): Add parenthesis and whitespace.
11615         (SECONDARY_MEMORY_NEEDED): Likewise.
11616         (SECONDARY_OUTPUT_RELOAD_CLASS): Whitespace.
11617         (MD_ASM_CLOBBERS): Whitespace and wrap.
11618         (MUST_PASS_IN_STACK): Whitespace and wrap.
11619         (RETURN_POPS_ARGS): Add parenthesis.
11620         (INIT_CUMULATIVE_ARGS): Likewise.
11621         (FUNCTION_ARG): Likewise.
11622         (FUNCTION_OK_FOR_SIBCALL): Add parenthesis and whitespace.
11623         (SETUP_INCOMING_VARARGS): Likewise.
11624         (BUILD_VA_LIST_TYPE):  Add parenthesis.
11625         (EXPAND_BUILTIN_VA_START): Uppercase macro paremeters and add
11626         parenthsis.
11627         (EXPAND_BUILTIN_VA_ARG): Likewise.
11628         (FUNCTION_PROFILER): Wrap in do { ... } while (0) and add parenthesis.
11629         (INITIALIZE_TRAMPOLINE): Add parenthesis.
11630         (INITIAL_ELIMINATION_OFFSET): Likewise.
11631         (REGNO_OK_FOR_INDEX_P): Add parenthesis.
11632         (REGNO_OK_FOR_BASE_P): Likewise.
11633         (REGNO_OK_FOR_SIREG_P): Add parenthesis and wrap.
11634         (REGNO_OK_FOR_DIREG_P): Likewise.
11635         (REG_OK_FOR_INDEX_P): Whitespace.
11636         (REG_OK_FOR_BASE_P): Whitespace.
11637         (GO_IF_LEGITIMATE_ADDRESS): Wrap in do { ... } while (0) and add
11638         parenthesis.
11639         (FIND_BASE_TERM): Fix typo.
11640         (LEGITIMIZE_ADDRESS): Wrap in  { .. } while (0) and add parenthesis.
11641         (REWRITE_ADDRESS): Uppercase macro parameter and whitespace.
11642         (SYMBOLIC_CONST; Whitespace.
11643         (GO_IF_MODE_DEPENDENT_ADDRESS):Wrap in  { .. } while (0) and wrap.
11644         (ENCODE_SECTION_INFO): Whitespace.
11645         (FINALIZE_PIC): Remove do { ... } while (0).
11646         (PROMOTE_MODE): Wrap in do { ... } while (0).
11647         (CONST_COSTS): Whitespace.
11648         (RTX_COSTS): Add paramethesis, whitespace and wrap.
11649         (REGISTER_MOVE_COST): Add parenthesis.
11650         (MEMORY_MOVE_COST): Likewise.
11651         (EXTRA_CC_MODES): Whitespace.
11652         (SELECT_CC_MODE): Add parenthesis and whitespace.
11653         (DBX_REGISTER_NUMBER): Uppercase macro parameter and add parenthsis.
11654         (ASM_PREFERRED_EH_DATA_FORMAT): Add parenthesis and whitespace.
11655         (ASM_OUTPUT_LABEL): Add paramethesis.
11656         (ASM_OUTPUT_REG_PUSH): Add parenthesis and whitespace.
11657         (ASM_OUTPUT_REG_POP): Likewise.
11658         (ASM_OUTPUT_ADDR_VEC_ELT): Add parenthesis.
11659         (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
11660
11661         * config/i386/i386.c: Update copyright.
11662         (CHECK_STACK_LIMIT): Add parenthesis.
11663         (AT_BP): Uppercase macro parameter.
11664         (x86_64_int_parameter_registers): Constify.
11665         (x86_64_int_return_registers): Likewise.
11666         (ix86_compare_op0): Use rtx.
11667         (construct_container): Constify INTREG parameter.
11668         (function_arg): Use rtx.
11669
11670         * diagnostic.h: Update copyright date.
11671         (output_buffer_state): Add parenthesis.
11672         (output_buffer_format_args): Likewise.
11673
11674         * combine.c (combine_instructions): Replace XEXP (links, 0)
11675         with link.
11676
11677 2002-01-06  H.J. Lu <hjl@gnu.org>
11678
11679         * cfgcleanup.c (thread_jump): Fix 2 typos.
11680
11681 2002-01-06  Aldy Hernandez  <aldyh@redhat.com>
11682
11683         * config.gcc: Add support for --enable-altivec.
11684
11685 2002-01-06  Craig Rodrigues  <rodrigc@gcc.gnu.org>
11686
11687         * emit-rtl.c (gen_highpart): Add check for NULL_RTX.
11688
11689 2002-01-06  Jakub Jelinek  <jakub@redhat.com>
11690
11691         * objc/objc-act.c (handle_impent): Use assemble_variable to emit
11692         __objc_class_name_*.
11693
11694 2002-01-06  Craig Rodrigues  <rodrigc@gcc.gnu.org>
11695
11696         * doc/install.texi (sparcv9-*-solaris2*): Add documentation.
11697
11698 2002-01-06  Richard Henderson  <rth@redhat.com>
11699
11700         * reorg.c (emit_delay_sequence): Remove death notes, not merely
11701         nop them out.  Increment label reference count for REG_LABEL.
11702         (fill_slots_from_thread): Frob label reference count around
11703         delete_related_insns.
11704
11705 2002-01-05  Richard Henderson  <rth@redhat.com>
11706
11707         * cfgcleanup.c (try_forward_edges): Detect infinite loops while
11708         jump threading.
11709
11710 2002-01-05  Richard Henderson  <rth@redhat.com>
11711
11712         * c-decl.c (c_expand_body): Don't call outlining_inline_function.
11713         * integrate.c (output_inline_function): Likewise.
11714         * toplev.c (rest_of_compilation): Do it here instead.  Move call
11715         to remove_unnecessary_notes after emitting abstract instance.
11716         Force an emitted nested function to have its parent emited as well.
11717         * dwarf2out.c (loc_descriptor_from_tree): Read mode after checking
11718         for null.
11719         (rtl_for_decl_location): Do not look at reload data structures
11720         before reload has run.
11721
11722 2002-01-05  Kazu Hirata  <kazu@hxi.com>
11723
11724         * cse.c: Fix formatting.
11725         * dwarf2asm.c: Likewise.
11726         * dwarf2out.c: Likewise.
11727         * explow.c: Likewise.
11728         * expmed.c: Likewise.
11729         * function.c: Likewise.
11730         * gcov.c: Likewise.
11731         * gencheck.c: Likewise.
11732         * genrecog.c: Likewise.
11733         * ggc-common.c: Likewise.
11734         * ggc-page.c: Likewise.
11735         * global.c: Likewise.
11736
11737 2002-01-05  Kazu Hirata  <kazu@hxi.com>
11738
11739         * combine.c: Fix formatting.
11740
11741 2002-01-05  Craig Rodrigues  <crodrigu@bbn.com>
11742
11743         PR middle-end/1557
11744         * config/ia64/ia64.h (RENAME_EXTENDED_BLOCKS): Remove.
11745
11746 2002-01-05  David Edelsohn  <edelsohn@gnu.org>
11747
11748         * config/rs6000/rs6000.h (TARGET_POWERPC): For IN_LIBGCC2, define
11749         as 1 for __powerpc64__ as well.
11750
11751         * config/rs6000/t-aix43 (T_ADAFLAGS): Define.
11752
11753         * alias.c (find_base_value, PLUS/MINUS): If we found a base,
11754         return it.
11755
11756 2002-01-05  Daniel Berlin  <dan@dberlin.org>
11757
11758         * lcm.c: Revert change, due to performance regression it causes on
11759         SPEC because it's slightly more conservative (sigh, I hate
11760         edge-based LCM).
11761
11762 Sat Jan  5 11:52:05 CET 2002  Jan Hubicka  <jh@suse.cz>
11763
11764         * cfgcleanup.c (try_forward_edges): Allow multiple jump threading.
11765
11766 2002-01-05  Neil Booth  <neil@daikokuya.demon.co.uk>
11767
11768         * doc/cppinternals.texi: Update.
11769
11770 2002-01-05  Hans-Peter Nilsson  <hp@bitrange.com>
11771
11772         * doc/invoke.texi (Option Summary) <MMIX Options>: Document
11773         -mbranch-predict, -mreg-stack-fill-bug-workaround and their
11774         negatives.
11775         (MMIX Options): Ditto.  Fix item/itemx typo for -mno-zero-extend.
11776         * config/mmix/mmix.c (mmix_target_asm_function_prologue): Rework
11777         kludge for pre-october-14th mmix versions to handle new-found bug
11778         with PUSHJ/PUSHGO and the register stack.
11779         * config/mmix/mmix.h (struct machine_function): Rename member
11780         has_call_value_without_parameters to has_call_without_parameters.
11781         All referers changed.
11782         (TARGET_MASK_REG_STACK_FILL_BUG, TARGET_DEFAULT
11783         TARGET_MASK_BRANCH_PREDICT): New macros.
11784         (TARGET_SWITCHES): New options -mreg-stack-fill-bug-workaround,
11785         -mno-reg-stack-fill-bug-workaround.
11786         * config/mmix/mmix.md ("call"): Set struct machine member
11787         has_call_without_parameters.
11788
11789 Sat Jan  5 02:20:22 CET 2002  Jan Hubicka  <jh@suse.cz>
11790
11791         * cfgcleanup.c (thread_jump): Fix handling of reversed branches.
11792
11793 Sat Jan  5 01:35:29 CET 2002  Jan Hubicka  <jh@suse.cz>
11794
11795         * cfgcleanup.c: Include tm_p.h
11796         (mark_effect): Fix handling of hard register; fix handling of SET
11797
11798 2002-01-04  Kazu Hirata  <kazu@hxi.com>
11799
11800         * config/h8300/h8300.md (anonymous patterns): Check that
11801         operands are registers before using REGNO on them.
11802
11803 2002-01-03  Roland McGrath  <roland@frob.com>
11804
11805         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcall-gnu.
11806
11807 2002-01-04  Jakub Jelinek  <jakub@redhat.com>
11808
11809         * tree.h (expand_expr_stmt_value): Add maybe_last argument.
11810         * c-common.h (genrtl_expr_stmt_value): Likewise.
11811         * stmt.c (expand_expr_stmt): Pass 1 as maybe_last.
11812         (expand_expr_stmt_value): Add maybe_last argument.
11813         Don't warn about statement with no effect if it is the last statement
11814         in expression statement.
11815         * c-semantics.c (genrtl_expr_stmt): Pass 1 as maybe_last.
11816         (genrtl_expr_stmt_value): Add maybe_last argument, pass it down to
11817         expand_expr_stmt_value.
11818         (expand_stmt) [EXPR_STMT]: Pass 1 as maybe_last to
11819         genrtl_expr_stmt_value if t is the last EXPR_STMT in its scope.
11820         * expr.c (expand_expr) [LABELED_BLOCK_EXPR, LOOP_EXPR]: Pass 1
11821         as maybe_last to expand_expr_stmt_value.
11822
11823 Fri Jan  4 11:45:05 2002  Jeffrey A Law  (law@redhat.com)
11824
11825         * c-common.c (c_expand_start_cond): Expect the IF_STMT node to
11826         be passed in, do not build it.
11827         (c_begin_if_stmt): New function.
11828         (c_begin_while_stmt, c_finish_while_stmt_cond): Likewise.
11829         * c-common.h (c_expand_start_cond): Update prototype.
11830         (c_begin_if_stmt): Prototype new function.
11831         (c_begin_while_stmt, c_finish_while_stmt_cond): Likewise.
11832         * c-parse.in (if_prefix): Use c_begin_if_stmt,
11833         c_begin_while_stmt and c_finish_while_stmt_cond.
11834
11835 2002-01-04  William Cohen  <wcohen@redhat.com>
11836
11837         * config/pa/elf.h (ASM_FILE_START): Reverted to profile_flag.
11838         * config/pa/pa-linux.h (ASM_FILE_START): Likewise.
11839         * config/pa/pa64-hpux.h (ASM_FILE_START): Likewise.
11840         * config/pa/som.h (ASM_FILE_START): Likewise.
11841
11842 2002-01-04  Daniel Berlin  <dan@cgsoftware.com>
11843
11844         * lcm.c: Include df.h.
11845         Add available_transfer_function prototype.
11846         (compute_available): Rework to use iterative dataflow framework.
11847         (struct bb_info): s/bb_info/lcm_bb_info/g to avoid conflict
11848         with bb_info in df.h
11849         (available_transfer_function): New function.
11850
11851         * Makefile.in (lcm.o): add df.h to dependencies.
11852
11853 2002-01-04  Richard Henderson  <rth@redhat.com>
11854
11855         * config/alpha/alpha.c (some_operand): Accept HIGH.
11856         (input_operand): Likewise; accept simple references to globals.
11857         (alpha_const_ok_for_letter_p): New, outlined from alpha.h.
11858         (alpha_const_double_ok_for_letter_p): Likewise.
11859         (alpha_extra_constraint): Likewise.
11860         (alpha_preferred_reload_class): Likewise.  Do not force
11861         symbolic constants to memory.
11862         (alpha_legitimate_address_p): Accept simple references
11863         to small_symbolic_operand.
11864         (alpha_legitimize_address): New arg scratch.  Be prepared to be
11865         called when no_new_pseudos.  Emit simple symbolic references.
11866         Split integers into low, high, and rest.
11867         (alpha_expand_mov): Use alpha_legitimize_address.
11868         (some_small_symbolic_mem_operand): New.
11869         (split_small_symbolic_mem_operand): New.
11870         * config/alpha/alpha-protos.h: Update.
11871         * config/alpha/alpha.h (CONST_OK_FOR_LETTER_P): Out-line.
11872         (CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
11873         (EXTRA_CONSTRAINT): Likewise.
11874         (PREFERRED_RELOAD_CLASS): Likewise.
11875         (LEGITIMIZE_ADDRESS): Update for alpha_legitimize_address change.
11876         (PREDICATE_CODES): Update.
11877         * config/alpha/alpha.md: New post-reload splitters to convert
11878         simplfied symbolic operands to the form that references $29.
11879         (divide expanders): Use emit_move_insn, not gen_movdi_er_high_g.
11880         (movdi_er_nofix, movdi_er_fix): Accept any symbolic operand.
11881
11882 2002-01-03  Richard Henderson  <rth@redhat.com>
11883
11884         * local-alloc.c (function_invariant_p): Update commentary.
11885
11886 2002-01-04  H.J. Lu <hjl@gnu.org>
11887
11888         * toplev.c (rest_of_compilation): Fix a typo when calling
11889         cleanup_cfg.
11890
11891 2002-01-03  Kazu Hirata  <kazu@hxi.com>
11892
11893         * c-common.c: Fix formatting.
11894         * diagnostic.c: Likewise.
11895         * doloop.c: Likewise.
11896         * dwarf2out.c: Likewise.
11897
11898 2002-01-03  Kazu Hirata  <kazu@hxi.com>
11899
11900         * config/h8300/h8300.c (output_logical_op): Use 'not.w' instead
11901         of 'neg.w' when xoring with 0x0000ffff or 0xffff0000.
11902
11903 2002-01-03  Neil Booth  <neil@daikokuya.demon.co.uk>
11904
11905         * cpperror.c: Update comments and copyright.
11906         * cppexp.c, cppfiles.c, cpphash.c, cpphash.h, cppinit.c,
11907         cpplex.c, cpplib.c, cpplib.h, cppmacro.c, cppmain.c: Similarly.
11908
11909 2002-01-03  John David Anglin  <dave@hiauly1.hia.nrc.ca>
11910
11911         * collect2.c (main): Use strcmp when testing for "-shared".
11912
11913 2002-01-03  Neil Booth  <neil@daikokuya.demon.co.uk>
11914
11915         * cppmacro.c: Don't include intl.h.  Update comments.
11916         (new_number_token): Allocate enough buffer for 64-bit unsigned
11917         integers; update prototype.
11918         * cppmain.c: Update comments.
11919
11920 2002-01-03  William Cohen  <wcohen@redhat.com>
11921
11922         * function.h (struct function): Add profile.
11923         (current_function_profile): New.
11924         doc/extend.texi: Update documentation.
11925         * final.c (final_start_function): Use current_function_profile
11926         instead of profile_flag.
11927         (profile_after_prologue): Likewise.
11928         * function.c (expand_function_start): Likewise.
11929         (expand_function_start): Likewise.
11930         * config/alpha/alpha.c (direct_call_operand):
11931         (alpha_does_function_need_gp): Likewise.
11932         (alpha_expand_prologue): Likewise.
11933         * config/arm/arm.c (arm_expand_prologue): Likewise.
11934         thumb_expand_prologue: Likewise.
11935         * config/d30v/d30v.c (d30v_stack_info): Likewise.
11936         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Likewise.
11937         (fr30_expand_prologue): Likewise.
11938         * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
11939         * config/i386/i386.c (ix86_osf_output_function_prologue): Likewise.
11940         * config/i386/i386.h (FINALIZE_PIC): Likewise.
11941         * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
11942         * config/i960/i960.c (i960_output_function_prologue): Likewise.
11943         * config/ia64/ia64.c (ia64_compute_frame_size): Likewise.
11944         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Likewise.
11945         (m32r_expand_prologue): Likewise.
11946         * config/m88k/m88k.c (m88k_layout_frame): Likewise.
11947         (m88k_expand_prologue): Likewise.
11948         * config/m88k/m88k.h (ADJUST_INSN_LENGTH): Likewise.
11949         * config/mips/mips.c (compute_frame_size): Likewise.
11950         (mips_expand_prologue): Likewise.
11951         (mips_can_use_return_insn): Likewise.
11952         * config/pa/elf.h (ASM_FILE_START): Likewise.
11953         * config/pa/pa-linux.h (ASM_FILE_START): Likewise.
11954         * config/pa/pa64-hpux.h (ASM_FILE_START): Likewise.
11955         * config/pa/som.h (ASM_FILE_START): Likewise.
11956         * config/romp/romp.c (romp_using_r14): Likewise.
11957         * config/rs6000/rs6000.c (first_reg_to_save): Likewise.
11958         (rs6000_stack_info): Likewise.
11959         * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
11960         * config/rs6000/xcoff.h (ASM_FILE_START): Likewise.
11961         * config/v850/v850.c (compute_register_save_size): Likewise.
11962
11963 2002-01-03  Jakub Jelinek  <jakub@redhat.com>
11964
11965         * simplify-rtx.c (simplify_binary_operation) [DIV]: If
11966         gen_lowpart_common fails, use gen_lowpart_SUBREG.
11967
11968 2002-01-03  Turly O'Connor  <turly@apple.com>
11969
11970         * darwin.c (machopic_output_possible_stub_label): Don't generate
11971         stub routines for pseudo-stubs which we've just defined.
11972
11973 2002-01-03  Kazu Hirata  <kazu@hxi.com>
11974
11975         * builtins.c: Fix formatting.
11976         * c-typeck.c: Likewise.
11977         * combine.c: Likewise.
11978         * expr.c: Likewise.
11979         * loop.c: Likewise.
11980
11981 2002-01-03  Andreas Schwab  <schwab@suse.de>
11982
11983         * cppfiles.c (_cpp_pop_file_buffer): Change return type to bool
11984         and return true if _cpp_push_next_buffer pushed a new include
11985         file.
11986         * cpplib.c (_cpp_pop_buffer): Only call obstack_free if
11987         _cpp_pop_file_buffer did not push a new file.
11988         * cpphash.h (_cpp_pop_file_buffer): Update declaration.
11989
11990 2002-01-02  Eric Christopher  <echristo@redhat.com>
11991
11992         * final.c (final_scan_insn): Change 0 -> NULL_RTX in
11993         FIND_REG_INC_NOTE call. Update copyright.
11994         * loop.c (canonicalize_condition): Ditto.
11995         * reorg.c (delete_scheduled_jump): Ditto.
11996
11997 2002-01-03  Kazu Hirata  <kazu@hxi.com>
11998
11999         * gcse.c: Fix formatting.
12000
12001 2002-01-03  Graham Stott  <grahams@redhat.com>
12002
12003         * mkconfig.sh: Output to config.h, hconfig.h and tconfig.h
12004         forward defs for struct tags rtx_def, union_tree, rtvec_def
12005         also output corresponding typedefs for rtx, tree, and rtvec.
12006
12007         * system.h: Move forward defs for struct tags rtx_def, union_tree,
12008         rtvec_def along with corresponding typedefs for rtx, tree, and
12009         rtvec to config.h, hconfig.h, tconfig.h.
12010
12011 2002-01-03  Graham Stott  <grahams@redhat.com>
12012
12013         * tree.h: Update copyright date.
12014         (IS_EXPR_CODE_CLASS): Add parenthesis.
12015         (TREE_SET_CODE): Add whitespace.
12016         (TREE_CHECK): Add parenthesis.
12017         (TREE_CLASS_CODE): Add parenthesis and wrap long line.
12018         (CST_OR_CONSTRUCTOR_CHECK):
12019         (EXPR_CHECK): Add parenthis, whitespace and wrap line.
12020         (TREE_SYMBOL_REFERENCED): Whitespace.
12021         (INT_CST_LT): Likewise.
12022         (INT_CST_LT_UNSIGNED): Likewise.
12023         (tree_real_cst): Unwrap comment.
12024         (tree_string): Likewise.
12025         (tree_complex): Likewise.
12026         (IDENTIFIER_POINTER): correct cast.
12027         (SAVE_EXPR_CONTEXT): Whitespace.
12028         (EXPR_WFL_FILENAME_NODE): Likewise.
12029         (EXPR_WFL_FILENAME): Remove parenthesis.
12030         (DECL_ORIGIN): Add parenthesis.
12031         (DECL_FROM_INLINE): Use NULL_TREE.
12032         (build_int_2): Whitespace.
12033         (build_type_variant): Add parenthesis.
12034
12035         * gcc/jcf-parse.c: Update copyright date.
12036         (yyparse): Constify resource_filename.
12037
12038 2002-01-03  Graham Stott  <grahams@redhat.com>
12039
12040         * rtl.h: Update copyright date.
12041         (RTL_CHECK1): Wrap long line.
12042         (RTL_CHECK2): Likewise.
12043         (RTL_CHECKC1): Wrap long line and whitespace.
12044         (RTL_CHECKC2): Likewise.
12045         (XWINT): Whitespace.
12046         (XINT): Likewise.
12047         (XSTR): Likewise.
12048         (XEXP): Likewise.
12049         (XVEC): Likewise.
12050         (XMODE): Likewise.
12051         (XBITMAP): Likewise.
12052         (XTREE): Likewise.
12053         (XBBDEF): Likewise.
12054         (XTMPL): Likewise.
12055         (X0WINT): Likewise.
12056         (X0INT):Likewise.
12057         (X0UINT): Likewise.
12058         (X0STR): Likewise.
12059         (X0EXP): Likewise.
12060         (X0VEC): Likewise.
12061         (X0MODE): Likewise.
12062         (X0BITMAP): Likewise.
12063         (X0TREE): Likewise.
12064         (X0BBDEF): Likewise.
12065         (X0ADVFLAGS): Likewise.
12066         (X0CSELIB): Likewise.
12067         (X0MEMATTR): Likewise.
12068         (XCWINT): Likewise.
12069         (XCINT): Likewise.
12070         (XCUINT): Likewise.
12071         (XCSTR): Likewise.
12072         (XCEXP): Likewise.
12073         (XCVEC): Likewise.
12074         (XCMODE): Likewise.
12075         (XCBITMAP): Likewise.
12076         (XCTREE): Likewise.
12077         (XCBBDEF): Likewise.
12078         (XCADVFLAGS): Likewise.
12079         (XCCSELIB): Likewise.
12080         (XC2EXP): Likewise.
12081         (INSN_UID): Likewise.
12082         (PREV_INSN): Likewise.
12083         (PATTERN): Likewise.
12084         (INSN_CODE): Likewise.
12085         (PUT_REG_NOTE_KIND): Likewise.
12086         (CODE_LABEL_NUMBER): Likewise.
12087         (NOTE_SOURCE_FILE): Likewise.
12088         (NOTE_BLOCK): Likewise.
12089         (NOTE_EH_HANDLER): Likewise.
12090         (NOTE_RANGE_INFO): Likewise.
12091         (NOTE_LIVE_INFO): Likewise.
12092         (NOTE_BASIC_BLOCK): Likewise.
12093         (NOTE_EXPECTED_VALUE): Likewise.
12094         (NOTE_LINE_NUMBER): Likewise.
12095         (LABEL_NAME): Likewise.
12096         (LABEL_NUSES): Likewise.
12097         (LABEL_ALTERNATE_NAME): Likewise.
12098         (ADDRESSOF_DECL): Likewise.
12099         (JUMP_LABEL): Likewise.
12100         (LABEL_NEXTREF): Likewise.
12101         (REGNO): Likewise.
12102         (ORIGINAL_REGNO: Likewise.
12103         (HARD_REGISTER_NUM_P): Add parenthesis.
12104         (SUBREG_REG): Whitespace.
12105         (SUBREG_BYTE): Likewise.
12106         (ASM_OPERANDS_TEMPLATE): Remove parenthesis.
12107         (ASM_OPERANDS_OUTPUT_CONSTRAINT): Likewise.
12108         (ASM_OPERANDS_OUTPUT_IDX): Likewise.
12109         (ASM_OPERANDS_INPUT_VEC): Likewise.
12110         (ASM_OPERANDS_INPUT_CONSTRAINT_VEC): Likewise.
12111         (ASM_OPERANDS_INPUT): Likewise.
12112         (ASM_OPERANDS_INPUT_LENGTH): Likewise.
12113         (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): Likewise.
12114         (ASM_OPERANDS_INPUT_CONSTRAINT): Likewise.
12115         (ASM_OPERANDS_INPUT_MODE): Likewise.
12116         (ASM_OPERANDS_SOURCE_FILE): Likewise.
12117         (ASM_OPERANDS_SOURCE_LINE): Likewise.
12118         (MEM_SET_IN_STRUCT_P): Minor reformat.
12119         (TRAP_CONDITION): Whitespace.
12120         (TRAP_CODE): Likewise.
12121         (COND_EXEC_TEST): Likewise.
12122         (COND_EXEC_CODE): Likewise.
12123         (FIND_REG_INC_NOTE): Uppercase macro args and add parenthesis.
12124         (PHI_NODE_P): Add parenthesis.
12125         (plus_constant): Whitespace and add parenthesis.
12126
12127 2002-01-03  Kazu Hirata  <kazu@hxi.com>
12128
12129         * config/avr/avr.c: Fix comment typos.
12130         * config/c4x/c4x.md: Likewise.
12131         * config/dsp16xx/dsp16xx.h: Likewise.
12132         * config/dsp16xx/dsp16xx.md: Likewise.
12133         * config/i386/i386.md: Likewise.
12134         * config/ia64/ia64.c: Likewise.
12135         * config/m32r/m32r.h: Likewise.
12136         * config/m68hc11/m68hc11.md: Likewise.
12137         * config/mmix/mmix.c: Likewise.
12138         * config/mn10200/mn10200.c: Likewise.
12139         * config/romp/romp.c: Likewise.
12140         * config/sh/sh.c: Likewise.
12141         * config/stormy16/stormy16.c: Likewise.
12142         * config/stormy16/stormy16.h: Likewise.
12143         * config/stormy16/stormy16.md: Likewise.
12144
12145 2002-01-03  Graham Stott  <grahams@redhat.com>
12146
12147         * loop.h: Update copyright date.
12148         (LOOP_MOVABLES): Fix typo.
12149         (LOOP_REGS): Likewise.
12150         (LOOP_IVS): Likewise.
12151
12152 2002-01-03  Graham Stott  <grahams@redhat.com>
12153
12154         * cppinit.c: Update copyright date.
12155         Don't include output.h
12156         * Makefile.in: Update copyright date.
12157         Update dependency.
12158
12159 2002-01-02  Craig Rodrigues  <rodrigc@gcc.gnu.org>
12160
12161         PR c/5226
12162         * invoke.texi (-mthreads): Remove from documented RS/6000 options.
12163         (-pthread) Add to RS/6000 options.
12164
12165 2002-01-02  Kazu Hirata  <kazu@hxi.com>
12166
12167         * except.c: Fix comment typos.
12168         * loop.c: Likewise.
12169         * varasm.c: Likewise.
12170         * doc/tm.texi: Fix a typo.
12171
12172 2002-01-02  Jakub Jelinek  <jakub@redhat.com>
12173
12174         * c-typeck.c (output_init_element): Allow initializing static storage
12175         duration objects with compound literals.
12176
12177 2002-01-02  Richard Henderson  <rth@redhat.com>
12178
12179         * objc/objc-act.c (hack_method_prototype): Clear current_function_decl
12180         after abusing it.
12181
12182 2002-01-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12183
12184         * gcc.c (default_compilers): Const-ify.
12185         * mips-tdump.c (stab_names): Likewise.
12186         * mips-tfile.c (map_coff_types, map_coff_storage,
12187         map_coff_sym_type, map_coff_derived_type, stabs_symbol,
12188         pseudo_ops_t, pseudo_ops): Likewise.
12189         * protoize.c (default_include): Likewise
12190
12191         * real.c (GET_REAL, PUT_REAL): Don't cast away const-ness.
12192         (ezero, ehalf, eone, etwo, e32, elog2, esqrt2, epi): Const-ify.
12193         Add array size in declaration.
12194         (endian, emov, eisneg, eisinf, eisnan, eiisnan, eiisneg, emovi,
12195         emovo, emovz, eiisinf, ecmpm, eaddm, esubm, m16m, edivm, emulm,
12196         esub, eadd, eadd1, ediv, emul, e53toe, e64toe, e113toe, e24toe,
12197         etoe113, etoe64, etoe53, etoe24, ecmp, eround, ltoe, ultoe,
12198         eifrac, euifrac, e24toasc, e53toasc, e64toasc, e113toasc, etoasc,
12199         efloor, efrexp, eldexp, eremain, dectoe, etodec, ibmtoe, etoibm,
12200         c4xtoe, etoc4x, uditoe, ditoe, etoudi, etodi, esqrt, etens,
12201         emtens, make_nan): Const-ify.
12202         (TFbignan, TFlittlenan, XFbignan, XFlittlenan, DFbignan,
12203         DFlittlenan, SFbignan, SFlittlenan): Make static and const-ify.
12204
12205 2002-01-02  Joseph S. Myers  <jsm28@cam.ac.uk>
12206
12207         * config.gcc (ia64-*-*): Set extra_headers.
12208         (alpha*-dec-osf*): Likewise.  Don't use alpha/t-osf.
12209         * config/alpha/t-osf: Remove.
12210         * config/ia64/t-ia64 (EXTRA_HEADERS): Remove.
12211
12212 2002-01-02  David Edelsohn  <edelsohn@gnu.org>
12213
12214         * config/rs6000/t-aix43: Revert previous change.
12215
12216 2002-01-02  Jason Merrill  <jason@redhat.com>
12217
12218         * c-decl.c (c_expand_body): Call outlining_inline_function when
12219         emitting an inline function out of line.
12220
12221 2002-01-02  Richard Henderson  <rth@redhat.com>
12222
12223         * dwarf2out.c (limbo_die_node): Add created_for member.
12224         (new_die): New argument created_for.  Update all callers.
12225         (mark_limbo_die_list): New.
12226         (dwarf2out_init): Register limbo_die_list as a root.
12227         (dwarf2out_finish): Force insert limbo dies into their function
12228         context.
12229
12230 2002-01-02  Nathan Sidwell  <nathan@codesourcery.com>
12231
12232         PR c++/5089
12233         * doc/invoke.texi (-Wold-style-cast): Only warn about non-void casts.
12234
12235 2002-01-02  Kazu Hirata  <kazu@hxi.com>
12236
12237         * config/h8300/fixunssfsi.c: Update copyright.
12238         Fix comment typos.
12239         Fix formatting.
12240         * config/h8300/h8300.c: Update copyright.
12241         Eliminate warnings.
12242
12243 2002-01-02  Kazu Hirata  <kazu@hxi.com>
12244
12245         * config/romp/romp.c: Fix comment formatting.
12246         * config/romp/romp.h: Likewise.
12247         * config/romp/romp.md: Likewise.
12248         * config/s390/s390.c: Likewise.
12249         * config/stormy16/stormy16.c: Likewise.
12250         * config/stormy16/stormy16.h: Likewise.
12251
12252 2002-01-02  Alexandre Oliva  <aoliva@redhat.com>
12253
12254         * c-common.h (genrtl_expr_stmt_value): Declare.
12255         * c-semantics.c (genrtl_goto_stmt): Redirect to...
12256         (genrtl_goto_stmt_value): ... this new function.  Pass new
12257         argument down to expand_expr_stmt_value, taking
12258         TREE_ADDRESSABLE into account.
12259         * c-common.c (c_expand_expr): Mark the last EXPR_STMT of a
12260         STMT_EXPR as addressable, i.e., one whose result we want.
12261         * expr.c (expand_expr): Don't save expression statement value
12262         of labeled_blocks or loop_exprs.
12263         * stmt.c (expand_expr_stmt): Redirect to...
12264         (expand_expr_stmt_value): ... this new function.  Use new
12265         argument to tell whether to save expression value.
12266         (expand_end_stmt_expr): Reset last_expr_type and
12267         last_expr_value if we don't have either.
12268         * tree-inline.c (declare_return_variable): Mark its use
12269         statement as addressable.
12270         * tree.h: Document new use of TREE_ADDRESSABLE.
12271         (expand_expr_stmt_value): Declare.
12272
12273 2002-01-01  Tom Rix  <trix@redhat.com>
12274
12275         * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Fix for use by
12276         rs6000_emit_allocate_stack.
12277
12278 2002-01-01  Joseph S. Myers  <jsm28@cam.ac.uk>
12279
12280         * configure.in: Prepend ${srcdir}/config/${cpu_type}/ instead of
12281         ${srcdir}/ginclude/ to every entry in extra_headers.
12282         * configure: Regenerate.
12283         * ginclude/math-3300.h: Rename to config/m68k/math-3300.h.
12284         * ginclude/math-68881.h: Rename to config/m68k/math-68881.h.
12285         * ginclude/ppc-asm.h: Rename to config/rs6000/ppc-asm.h.
12286         * ginclude/proto.h: Rename to config/convex/proto.h.
12287
12288 Tue Jan  1 17:12:56 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12289
12290         * attribs.c (handle_vector_size_attribute): Use host_integerp
12291         and tree_int_cst; remove warnings.
12292         * caller-save.c (insert_restore): Add cast to get rid of warning.
12293         (insert_save): Likewise.
12294         * emit-rtl.c (adjust_address_1, offset_address): Likewise.
12295         * regmove.c (find_matches): Add temporary var to kill a warning.
12296
12297 2002-01-01  Douglas B Rupp  <rupp@gnat.com>
12298
12299         * config/alpha/vms.h (DWARF2_UNWIND_INFO, EH_RETURN_HANDLER_RTX,
12300         LINK_EH_SPEC, MD_FALLBACK_FRAME_STATE_FOR): Define.
12301         * config/alpha/t-vms (EXTRA_PARTS): Add vms-dwarf2eh.o
12302         (vms-dwarf2eh.o): Add Makefile rule.
12303         * config/alpha/vms-ld.c (main): Handle vms-dwarf2eh.o.
12304         * config/alpha/vms-dwarf2eh.asm: New file.
12305
12306         * gcc.c (delete_if_ordinary): Delete all versions.
12307
12308 2002-01-01  Hans-Peter Nilsson  <hp@bitrange.com>
12309
12310         * config/mmix/mmix.md: Update FIXME to not mention
12311         define_constants.
12312         (MMIX_rJ_REGNUM): New define_constants constant.
12313         ("movqi", "movsi", "movdi", "*movdicc_real_foldable",
12314         "*movdicc_real"): Adjust contraints formatting.
12315         ("*bCC_foldable"): Add %+ for P in output format and delete FIXME
12316         for branch prediction.
12317         ("*bCC", "*bCC_inverted_foldable", "*bCC_inverted"): Add %+ in
12318         output template.
12319         ("*call_real", "*call_value_real", "nonlocal_goto_receiver",
12320         "*nonlocal_goto_receiver_expanded"): Use MMIX_rJ_REGNUM instead of
12321         number.  Delete related FIXMEs.
12322         * config/mmix/mmix.h (MMIX_INCOMING_RETURN_ADDRESS_REGNUM): Change
12323         from number to MMIX_rJ_REGNUM.
12324         (TARGET_MASK_BRANCH_PREDICT): New.
12325         (TARGET_DEFAULT): Change to TARGET_MASK_BRANCH_PREDICT.
12326         (TARGET_SWITCHES): Update comment.  Correct -mno-toplevel-symbols
12327         value.  Add -mbranch-predict and -mno-branch-predict.
12328         (TARGET_VERSION): Drop date.
12329         (ADDITIONAL_REGISTER_NAMES): Use MMIX_rJ_REGNUM, not number.
12330         * config/mmix/mmix.c (mmix_encode_section_info): Correct condition
12331         for finding out global symbols.
12332         (mmix_asm_output_labelref): Revert condition for global symbol.
12333         (mmix_print_operand): <case '+'>: Emit P for a likely branch.
12334         (mmix_print_operand_punct_valid_p): A '+' is valid.
12335
12336 See ChangeLog.6 for earlier changes.