gcc/ChangeLog

   1 2002-01-07  Richard Henderson  <rth@redhat.com>
   2
   3         * regrename.c (find_oldest_value_reg): Ignore the value chain if
   4         the original register was copied in a mode with a fewer number of
   5         hard registers than the desired mode.
   6         (copyprop_hardreg_forward_1): Likewise.
   7         (debug_value_data): Fix loop test.
   8         * toplev.c (parse_options_and_default_flags): Reenable
   9         -fcprop-registers at -O1.
  10
  11 2002-01-07  Aldy Hernandez  <aldyh@redhat.com>
  12
  13         * config/rs6000/rs6000.c (bdesc_2arg): Add altivec predicates.
  14         (altivec_init_builtins): New node v4si_ftype_v16qi_v16qi.
  15
  16         * config/rs6000/rs6000.h (rs6000_builtins): Add enums for altivec
  17         predicates.
  18
  19         * config/rs6000/rs6000.md: Add altivec predicate patterns.
  20
  21 2002-01-07  John David Anglin  <dave@hiauly1.hia.nrc.ca>
  22
  23         * pa.c (FUNC_BEGIN_PROLOG_LABEL, current_function_number): Define.
  24         (pa_output_function_prologue): Output local label at the beginning of
  25         the prologue when profiling.
  26         (hppa_profile_hook): Use the local label rather than the function label.
  27         * pa.h (PROFILE_BEFORE_PROLOGUE): Define.
  28
  29 2002-01-07  Aldy Hernandez  <aldyh@redhat.com>
  30
  31         * config/rs6000/rs6000.c (print_operand): Remove extra space.
  32         (altivec_expand_unop_builtin): Fix thinko.
  33         (altivec_expand_binop_builtin): Same.
  34         (altivec_expand_ternop_builtin): Same.
  35         (altivec_expand_builtin): Same.
  36
  37 2002-01-07  Richard Henderson  <rth@redhat.com>
  38
  39         * config/rs6000/xcoff.h (ASM_FILE_START): Reverted to profile_flag.
  40
  41 2002-01-07  Jason Merrill  <jason@redhat.com>
  42
  43         * unwind-dw2.c (execute_cfa_program): Use < again.
  44
  45 2002-01-07  Jakub Jelinek  <jakub@redhat.com>
  46
  47         * predict.c (combine_predictions_for_insn): Avoid division by zero.
  48
  49 2002-01-07  Jakub Jelinek  <jakub@redhat.com>
  50
  51         * simplify-rtx.c (simplify_plus_minus): Bump n_ops for NOT.
  52         Don't allow -1 - x -> ~x simplifications in the first pass.
  53
  54 2002-01-07  Aldy Hernandez  <aldyh@redhat.com>
  55
  56         * rs6000.c (altivec_expand_ternop_builtin): Don't die on invalid
  57         arguments.
  58         (altivec_expand_binop_builtin): Same.
  59         (altivec_expand_unop_builtin): Same.
  60         (print_operand): Fix typo.
  61         (bdesc_1arg): Add vupk* variants.
  62
  63         * rs6000.h (rs6000_builtins): Add vupk* enums.
  64
  65         * rs6000.md: Add altivec_vupk* variants.
  66
  67 2002-01-07  Joseph S. Myers  <jsm28@cam.ac.uk>
  68
  69         * doc/gcc.texi, doc/gccint.texi, doc/cppinternals.texi,
  70         doc/install.texi, doc/invoke.texi, doc/rtl.texi: Update copyright
  71         and last update dates.
  72
  73 2002-01-07  Janis Johnson  <janis187@us.ibm.com>
  74
  75         * doc/rtl.texi (Flags): Clean up documentation of RTL flags
  76
  77 2002-01-07  Marek Michalkiewicz  <marekm@amelek.gda.pl>
  78
  79         * config/avr/avr.c (avr_mcu_types): Add new MCU types.
  80         * config/avr/avr.h (CPP_SPEC): Likewise.
  81         (LINK_SPEC): Likewise.
  82         (CRT_BINUTILS_SPECS): Likewise.
  83         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
  84         * doc/invoke.texi (AVR Options): Document them.
  85
  86 Mon Jan  7 11:59:34 CET 2002  Jan Hubicka  <jh@suse.cz>
  87
  88         * unroll.c (copy_loop_body): Always properly update JUMP_LABEL and
  89         LABEL_NUSES.
  90
  91 2002-01-07  Graham Stott  <grahams@redhat.com>
  92
  93         * config/i386/i386.h: Update copyright date.
  94         (HALF_PIC_PTR): Add parenthesis.
  95         (OPTIMIZATION_OPTIONS): Whitespace, add parenthesis and wrap.
  96         (CONSTANT_ALIGNMENT): Add parenthesis.
  97         (DATA_ALIGNMENT): Likewise.
  98         (LOCAL_ALIGNMENT): Likewise.
  99         (FUNCTION_ARG_BOUNDARY): Whitespace, add parenthesis and wrap.
 100         (IS_STACK_MODE): Uppercase macro parameter, add parenthesis and wrap.
 101         (CONDITIONAL_REGISTER_USAGE): Wrap in do {...} while (0).
 102         (HARD_REGNO_NREGS): Add paranethesis.
 103         (VALID_SSE_REG_MODE): Whitespace.
 104         (VALID_MMX_REG_MODE): Whitespace.
 105         (VALID_FP_MODE_P): Uppercase macros parameter and whitespace.
 106         (ix86_hard_regno_mode_ok): Add parenthesis.
 107         (HARD_REGNO_CALLER_SAVE_MODE): Whitespace.
 108         (RETURN_IN_MEMORY): Whitespace.
 109         (N_REG_CLASSES): Add parenthesis.
 110         (INTEGER_CLASS_P): Add parenthesis and wrap.
 111         (FLOAT_CLASS_P): Likewise.
 112         (SSE_CLASS_P): Likewise.
 113         (MMX_CLASS_P): Likewise.
 114         (MAYBE_INTEGER_CLASS_P): Likewise.
 115         (MAYBE_FLOAT_CLASS_P): Likewise.
 116         (MAYBE_SSE_CLASS_P): Likewise.
 117         (MAYBE_MMX_CLASS_P): Likewise.
 118         (Q_CLASS_P): Likewise.
 119         (GENERAL_REGNO_P): Uppercase macro parameter.
 120         (REX_INT_REGNO_P): Uppercase macro parameter and wrap.
 121         (FP_REGNO_P): Likewise.
 122         (ANY_FP_REGNO_P): Uppercase macro parameter.
 123         (SSE_REGNO_P): Likewise.
 124         (SSE_REGNO): Likewise.
 125         (SSE_REG_P): Likewise.
 126         (SSE_FLOAT_MODE_P): Likewise.
 127         (MMX_REGNO_P): Likewise.
 128         (MMX_REG_P):Likewise.
 129         (STACK_REG_P): Likewise.
 130         (NON_STACK_REG_P): Likewise.
 131         (STACK_TOP_P): Likewise.
 132         (CONVERT_HARD_REGISTER_TO_SSA_P): Add parenthesis.
 133         (PREFERRED_RELOAD_CLASS): Add parenthesis and whitespace.
 134         (SECONDARY_MEMORY_NEEDED): Likewise.
 135         (SECONDARY_OUTPUT_RELOAD_CLASS): Whitespace.
 136         (MD_ASM_CLOBBERS): Whitespace and wrap.
 137         (MUST_PASS_IN_STACK): Whitespace and wrap.
 138         (RETURN_POPS_ARGS): Add parenthesis.
 139         (INIT_CUMULATIVE_ARGS): Likewise.
 140         (FUNCTION_ARG): Likewise.
 141         (FUNCTION_OK_FOR_SIBCALL): Add parenthesis and whitespace.
 142         (SETUP_INCOMING_VARARGS): Likewise.
 143         (BUILD_VA_LIST_TYPE):  Add parenthesis.
 144         (EXPAND_BUILTIN_VA_START): Uppercase macro paremeters and add
 145         parenthsis.
 146         (EXPAND_BUILTIN_VA_ARG): Likewise.
 147         (FUNCTION_PROFILER): Wrap in do { ... } while (0) and add parenthesis.
 148         (INITIALIZE_TRAMPOLINE): Add parenthesis.
 149         (INITIAL_ELIMINATION_OFFSET): Likewise.
 150         (REGNO_OK_FOR_INDEX_P): Add parenthesis.
 151         (REGNO_OK_FOR_BASE_P): Likewise.
 152         (REGNO_OK_FOR_SIREG_P): Add parenthesis and wrap.
 153         (REGNO_OK_FOR_DIREG_P): Likewise.
 154         (REG_OK_FOR_INDEX_P): Whitespace.
 155         (REG_OK_FOR_BASE_P): Whitespace.
 156         (GO_IF_LEGITIMATE_ADDRESS): Wrap in do { ... } while (0) and add
 157         parenthesis.
 158         (FIND_BASE_TERM): Fix typo.
 159         (LEGITIMIZE_ADDRESS): Wrap in  { .. } while (0) and add parenthesis.
 160         (REWRITE_ADDRESS): Uppercase macro parameter and whitespace.
 161         (SYMBOLIC_CONST; Whitespace.
 162         (GO_IF_MODE_DEPENDENT_ADDRESS):Wrap in  { .. } while (0) and wrap.
 163         (ENCODE_SECTION_INFO): Whitespace.
 164         (FINALIZE_PIC): Remove do { ... } while (0).
 165         (PROMOTE_MODE): Wrap in do { ... } while (0).
 166         (CONST_COSTS): Whitespace.
 167         (RTX_COSTS): Add paramethesis, whitespace and wrap.
 168         (REGISTER_MOVE_COST): Add parenthesis.
 169         (MEMORY_MOVE_COST): Likewise.
 170         (EXTRA_CC_MODES): Whitespace.
 171         (SELECT_CC_MODE): Add parenthesis and whitespace.
 172         (DBX_REGISTER_NUMBER): Uppercase macro parameter and add parenthsis.
 173         (ASM_PREFERRED_EH_DATA_FORMAT): Add parenthesis and whitespace.
 174         (ASM_OUTPUT_LABEL): Add paramethesis.
 175         (ASM_OUTPUT_REG_PUSH): Add parenthesis and whitespace.
 176         (ASM_OUTPUT_REG_POP): Likewise.
 177         (ASM_OUTPUT_ADDR_VEC_ELT): Add parenthesis.
 178         (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
 179
 180         * config/i386/i386.c: Update copyright.
 181         (CHECK_STACK_LIMIT): Add parenthesis.
 182         (AT_BP): Uppercase macro parameter.
 183         (x86_64_int_parameter_registers): Constify.
 184         (x86_64_int_return_registers): Likewise.
 185         (ix86_compare_op0): Use rtx.
 186         (construct_container): Constify INTREG parameter.
 187         (function_arg): Use rtx.
 188
 189         * diagnostic.h: Update copyright date.
 190         (output_buffer_state): Add parenthesis.
 191         (output_buffer_format_args): Likewise.
 192
 193         * combine.c (combine_instructions): Replace XEXP (links, 0)
 194         with link.
 195
 196 2002-01-06  H.J. Lu <hjl@gnu.org>
 197
 198         * cfgcleanup.c (thread_jump): Fix 2 typos.
 199
 200 2002-01-06  Aldy Hernandez  <aldyh@redhat.com>
 201
 202         * config.gcc: Add support for --enable-altivec.
 203
 204 2002-01-06  Craig Rodrigues  <rodrigc@gcc.gnu.org>
 205
 206         * emit-rtl.c (gen_highpart): Add check for NULL_RTX.
 207
 208 2002-01-06  Jakub Jelinek  <jakub@redhat.com>
 209
 210         * objc/objc-act.c (handle_impent): Use assemble_variable to emit
 211         __objc_class_name_*.
 212
 213 2002-01-06  Craig Rodrigues  <rodrigc@gcc.gnu.org>
 214
 215         * doc/install.texi (sparcv9-*-solaris2*): Add documentation.
 216
 217 2002-01-06  Richard Henderson  <rth@redhat.com>
 218
 219         * reorg.c (emit_delay_sequence): Remove death notes, not merely
 220         nop them out.  Increment label reference count for REG_LABEL.
 221         (fill_slots_from_thread): Frob label reference count around
 222         delete_related_insns.
 223
 224 2002-01-05  Richard Henderson  <rth@redhat.com>
 225
 226         * cfgcleanup.c (try_forward_edges): Detect infinite loops while
 227         jump threading.
 228
 229 2002-01-05  Richard Henderson  <rth@redhat.com>
 230
 231         * c-decl.c (c_expand_body): Don't call outlining_inline_function.
 232         * integrate.c (output_inline_function): Likewise.
 233         * toplev.c (rest_of_compilation): Do it here instead.  Move call
 234         to remove_unnecessary_notes after emitting abstract instance.
 235         Force an emitted nested function to have its parent emited as well.
 236         * dwarf2out.c (loc_descriptor_from_tree): Read mode after checking
 237         for null.
 238         (rtl_for_decl_location): Do not look at reload data structures
 239         before reload has run.
 240
 241 2002-01-05  Kazu Hirata  <kazu@hxi.com>
 242
 243         * cse.c: Fix formatting.
 244         * dwarf2asm.c: Likewise.
 245         * dwarf2out.c: Likewise.
 246         * explow.c: Likewise.
 247         * expmed.c: Likewise.
 248         * function.c: Likewise.
 249         * gcov.c: Likewise.
 250         * gencheck.c: Likewise.
 251         * genrecog.c: Likewise.
 252         * ggc-common.c: Likewise.
 253         * ggc-page.c: Likewise.
 254         * global.c: Likewise.
 255
 256 2002-01-05  Kazu Hirata  <kazu@hxi.com>
 257
 258         * combine.c: Fix formatting.
 259
 260 2002-01-05  Craig Rodrigues  <crodrigu@bbn.com>
 261
 262         PR middle-end/1557
 263         * config/ia64/ia64.h (RENAME_EXTENDED_BLOCKS): Remove.
 264
 265 2002-01-05  David Edelsohn  <edelsohn@gnu.org>
 266
 267         * config/rs6000/rs6000.h (TARGET_POWERPC): For IN_LIBGCC2, define
 268         as 1 for __powerpc64__ as well.
 269
 270         * config/rs6000/t-aix43 (T_ADAFLAGS): Define.
 271
 272         * alias.c (find_base_value, PLUS/MINUS): If we found a base,
 273         return it.
 274
 275 2002-01-05  Daniel Berlin  <dan@dberlin.org>
 276
 277         * lcm.c: Revert change, due to performance regression it causes on
 278         SPEC because it's slightly more conservative (sigh, I hate
 279         edge-based LCM).
 280
 281 Sat Jan  5 11:52:05 CET 2002  Jan Hubicka  <jh@suse.cz>
 282
 283         * cfgcleanup.c (try_forward_edges): Allow multiple jump threading.
 284
 285 2002-01-05  Neil Booth  <neil@daikokuya.demon.co.uk>
 286
 287         * doc/cppinternals.texi: Update.
 288
 289 2002-01-05  Hans-Peter Nilsson  <hp@bitrange.com>
 290
 291         * doc/invoke.texi (Option Summary) <MMIX Options>: Document
 292         -mbranch-predict, -mreg-stack-fill-bug-workaround and their
 293         negatives.
 294         (MMIX Options): Ditto.  Fix item/itemx typo for -mno-zero-extend.
 295         * config/mmix/mmix.c (mmix_target_asm_function_prologue): Rework
 296         kludge for pre-october-14th mmix versions to handle new-found bug
 297         with PUSHJ/PUSHGO and the register stack.
 298         * config/mmix/mmix.h (struct machine_function): Rename member
 299         has_call_value_without_parameters to has_call_without_parameters.
 300         All referers changed.
 301         (TARGET_MASK_REG_STACK_FILL_BUG, TARGET_DEFAULT
 302         TARGET_MASK_BRANCH_PREDICT): New macros.
 303         (TARGET_SWITCHES): New options -mreg-stack-fill-bug-workaround,
 304         -mno-reg-stack-fill-bug-workaround.
 305         * config/mmix/mmix.md ("call"): Set struct machine member
 306         has_call_without_parameters.
 307
 308 Sat Jan  5 02:20:22 CET 2002  Jan Hubicka  <jh@suse.cz>
 309
 310         * cfgcleanup.c (thread_jump): Fix handling of reversed branches.
 311
 312 Sat Jan  5 01:35:29 CET 2002  Jan Hubicka  <jh@suse.cz>
 313
 314         * cfgcleanup.c: Include tm_p.h
 315         (mark_effect): Fix handling of hard register; fix handling of SET
 316
 317 2002-01-04  Kazu Hirata  <kazu@hxi.com>
 318
 319         * config/h8300/h8300.md (anonymous patterns): Check that
 320         operands are registers before using REGNO on them.
 321
 322 2002-01-03  Roland McGrath  <roland@frob.com>
 323
 324         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcall-gnu.
 325
 326 2002-01-04  Jakub Jelinek  <jakub@redhat.com>
 327
 328         * tree.h (expand_expr_stmt_value): Add maybe_last argument.
 329         * c-common.h (genrtl_expr_stmt_value): Likewise.
 330         * stmt.c (expand_expr_stmt): Pass 1 as maybe_last.
 331         (expand_expr_stmt_value): Add maybe_last argument.
 332         Don't warn about statement with no effect if it is the last statement
 333         in expression statement.
 334         * c-semantics.c (genrtl_expr_stmt): Pass 1 as maybe_last.
 335         (genrtl_expr_stmt_value): Add maybe_last argument, pass it down to
 336         expand_expr_stmt_value.
 337         (expand_stmt) [EXPR_STMT]: Pass 1 as maybe_last to
 338         genrtl_expr_stmt_value if t is the last EXPR_STMT in its scope.
 339         * expr.c (expand_expr) [LABELED_BLOCK_EXPR, LOOP_EXPR]: Pass 1
 340         as maybe_last to expand_expr_stmt_value.
 341
 342 Fri Jan  4 11:45:05 2002  Jeffrey A Law  (law@redhat.com)
 343
 344         * c-common.c (c_expand_start_cond): Expect the IF_STMT node to
 345         be passed in, do not build it.
 346         (c_begin_if_stmt): New function.
 347         (c_begin_while_stmt, c_finish_while_stmt_cond): Likewise.
 348         * c-common.h (c_expand_start_cond): Update prototype.
 349         (c_begin_if_stmt): Prototype new function.
 350         (c_begin_while_stmt, c_finish_while_stmt_cond): Likewise.
 351         * c-parse.in (if_prefix): Use c_begin_if_stmt,
 352         c_begin_while_stmt and c_finish_while_stmt_cond.
 353
 354 2002-01-04  William Cohen  <wcohen@redhat.com>
 355
 356         * config/pa/elf.h (ASM_FILE_START): Reverted to profile_flag.
 357         * config/pa/pa-linux.h (ASM_FILE_START): Likewise.
 358         * config/pa/pa64-hpux.h (ASM_FILE_START): Likewise.
 359         * config/pa/som.h (ASM_FILE_START): Likewise.
 360
 361 2001-01-04  Daniel Berlin  <dan@cgsoftware.com>
 362
 363         * lcm.c: Include df.h.
 364         Add available_transfer_function prototype.
 365         (compute_available): Rework to use iterative dataflow framework.
 366         (struct bb_info): s/bb_info/lcm_bb_info/g to avoid conflict
 367         with bb_info in df.h
 368         (available_transfer_function): New function.
 369
 370         * Makefile.in (lcm.o): add df.h to dependencies.
 371
 372 2002-01-04  Richard Henderson  <rth@redhat.com>
 373
 374         * config/alpha/alpha.c (some_operand): Accept HIGH.
 375         (input_operand): Likewise; accept simple references to globals.
 376         (alpha_const_ok_for_letter_p): New, outlined from alpha.h.
 377         (alpha_const_double_ok_for_letter_p): Likewise.
 378         (alpha_extra_constraint): Likewise.
 379         (alpha_preferred_reload_class): Likewise.  Do not force
 380         symbolic constants to memory.
 381         (alpha_legitimate_address_p): Accept simple references
 382         to small_symbolic_operand.
 383         (alpha_legitimize_address): New arg scratch.  Be prepared to be
 384         called when no_new_pseudos.  Emit simple symbolic references.
 385         Split integers into low, high, and rest.
 386         (alpha_expand_mov): Use alpha_legitimize_address.
 387         (some_small_symbolic_mem_operand): New.
 388         (split_small_symbolic_mem_operand): New.
 389         * config/alpha/alpha-protos.h: Update.
 390         * config/alpha/alpha.h (CONST_OK_FOR_LETTER_P): Out-line.
 391         (CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
 392         (EXTRA_CONSTRAINT): Likewise.
 393         (PREFERRED_RELOAD_CLASS): Likewise.
 394         (LEGITIMIZE_ADDRESS): Update for alpha_legitimize_address change.
 395         (PREDICATE_CODES): Update.
 396         * config/alpha/alpha.md: New post-reload splitters to convert
 397         simplfied symbolic operands to the form that references $29.
 398         (divide expanders): Use emit_move_insn, not gen_movdi_er_high_g.
 399         (movdi_er_nofix, movdi_er_fix): Accept any symbolic operand.
 400
 401 2002-01-03  Richard Henderson  <rth@redhat.com>
 402
 403         * local-alloc.c (function_invariant_p): Update commentary.
 404
 405 2002-01-04  H.J. Lu <hjl@gnu.org>
 406
 407         * toplev.c (rest_of_compilation): Fix a typo when calling
 408         cleanup_cfg.
 409
 410 2002-01-03  Kazu Hirata  <kazu@hxi.com>
 411
 412         * c-common.c: Fix formatting.
 413         * diagnostic.c: Likewise.
 414         * doloop.c: Likewise.
 415         * dwarf2out.c: Likewise.
 416
 417 2002-01-03  Kazu Hirata  <kazu@hxi.com>
 418
 419         * config/h8300/h8300.c (output_logical_op): Use 'not.w' instead
 420         of 'neg.w' when xoring with 0x0000ffff or 0xffff0000.
 421
 422 2002-01-03  Neil Booth  <neil@daikokuya.demon.co.uk>
 423
 424         * cpperror.c: Update comments and copyright.
 425         * cppexp.c, cppfiles.c, cpphash.c, cpphash.h, cppinit.c,
 426         cpplex.c, cpplib.c, cpplib.h, cppmacro.c, cppmain.c: Similarly.
 427
 428 2002-01-03  John David Anglin  <dave@hiauly1.hia.nrc.ca>
 429
 430         * collect2.c (main): Use strcmp when testing for "-shared".
 431
 432 2002-01-03  Neil Booth  <neil@daikokuya.demon.co.uk>
 433
 434         * cppmacro.c: Don't include intl.h.  Update comments.
 435         (new_number_token): Allocate enough buffer for 64-bit unsigned
 436         integers; update prototype.
 437         * cppmain.c: Update comments.
 438
 439 2002-01-03  William Cohen  <wcohen@redhat.com>
 440
 441         * function.h (struct function): Add profile.
 442         (current_function_profile): New.
 443         doc/extend.texi: Update documentation.
 444         * final.c (final_start_function): Use current_function_profile
 445         instead of profile_flag.
 446         (profile_after_prologue): Likewise.
 447         * function.c (expand_function_start): Likewise.
 448         (expand_function_start): Likewise.
 449         * config/alpha/alpha.c (direct_call_operand):
 450         (alpha_does_function_need_gp): Likewise.
 451         (alpha_expand_prologue): Likewise.
 452         * config/arm/arm.c (arm_expand_prologue): Likewise.
 453         thumb_expand_prologue: Likewise.
 454         * config/d30v/d30v.c (d30v_stack_info): Likewise.
 455         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Likewise.
 456         (fr30_expand_prologue): Likewise.
 457         * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
 458         * config/i386/i386.c (ix86_osf_output_function_prologue): Likewise.
 459         * config/i386/i386.h (FINALIZE_PIC): Likewise.
 460         * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
 461         * config/i960/i960.c (i960_output_function_prologue): Likewise.
 462         * config/ia64/ia64.c (ia64_compute_frame_size): Likewise.
 463         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Likewise.
 464         (m32r_expand_prologue): Likewise.
 465         * config/m88k/m88k.c (m88k_layout_frame): Likewise.
 466         (m88k_expand_prologue): Likewise.
 467         * config/m88k/m88k.h (ADJUST_INSN_LENGTH): Likewise.
 468         * config/mips/mips.c (compute_frame_size): Likewise.
 469         (mips_expand_prologue): Likewise.
 470         (mips_can_use_return_insn): Likewise.
 471         * config/pa/elf.h (ASM_FILE_START): Likewise.
 472         * config/pa/pa-linux.h (ASM_FILE_START): Likewise.
 473         * config/pa/pa64-hpux.h (ASM_FILE_START): Likewise.
 474         * config/pa/som.h (ASM_FILE_START): Likewise.
 475         * config/romp/romp.c (romp_using_r14): Likewise.
 476         * config/rs6000/rs6000.c (first_reg_to_save): Likewise.
 477         (rs6000_stack_info): Likewise.
 478         * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
 479         * config/rs6000/xcoff.h (ASM_FILE_START): Likewise.
 480         * config/v850/v850.c (compute_register_save_size): Likewise.
 481
 482 2002-01-03  Jakub Jelinek  <jakub@redhat.com>
 483
 484         * simplify-rtx.c (simplify_binary_operation) [DIV]: If
 485         gen_lowpart_common fails, use gen_lowpart_SUBREG.
 486
 487 2002-01-03  Turly O'Connor  <turly@apple.com>
 488
 489         * darwin.c (machopic_output_possible_stub_label): Don't generate
 490         stub routines for pseudo-stubs which we've just defined.
 491
 492 2002-01-03  Kazu Hirata  <kazu@hxi.com>
 493
 494         * builtins.c: Fix formatting.
 495         * c-typeck.c: Likewise.
 496         * combine.c: Likewise.
 497         * expr.c: Likewise.
 498         * loop.c: Likewise.
 499
 500 2002-01-03  Andreas Schwab  <schwab@suse.de>
 501
 502         * cppfiles.c (_cpp_pop_file_buffer): Change return type to bool
 503         and return true if _cpp_push_next_buffer pushed a new include
 504         file.
 505         * cpplib.c (_cpp_pop_buffer): Only call obstack_free if
 506         _cpp_pop_file_buffer did not push a new file.
 507         * cpphash.h (_cpp_pop_file_buffer): Update declaration.
 508
 509 2002-01-02  Eric Christopher  <echristo@redhat.com>
 510
 511         * final.c (final_scan_insn): Change 0 -> NULL_RTX in
 512         FIND_REG_INC_NOTE call. Update copyright.
 513         * loop.c (canonicalize_condition): Ditto.
 514         * reorg.c (delete_scheduled_jump): Ditto.
 515
 516 2002-01-03  Kazu Hirata  <kazu@hxi.com>
 517
 518         * gcse.c: Fix formatting.
 519
 520 2002-01-03  Graham Stott  <grahams@redhat.com>
 521
 522         * mkconfig.sh: Output to config.h, hconfig.h and tconfig.h
 523         forward defs for struct tags rtx_def, union_tree, rtvec_def
 524         also output corresponding typedefs for rtx, tree, and rtvec.
 525
 526         * system.h: Move forward defs for struct tags rtx_def, union_tree,
 527         rtvec_def along with corresponding typedefs for rtx, tree, and
 528         rtvec to config.h, hconfig.h, tconfig.h.
 529
 530 2002-01-03  Graham Stott  <grahams@redhat.com>
 531
 532         * tree.h: Update copyright date.
 533         (IS_EXPR_CODE_CLASS): Add parenthesis.
 534         (TREE_SET_CODE): Add whitespace.
 535         (TREE_CHECK): Add parenthesis.
 536         (TREE_CLASS_CODE): Add parenthesis and wrap long line.
 537         (CST_OR_CONSTRUCTOR_CHECK):
 538         (EXPR_CHECK): Add parenthis, whitespace and wrap line.
 539         (TREE_SYMBOL_REFERENCED): Whitespace.
 540         (INT_CST_LT): Likewise.
 541         (INT_CST_LT_UNSIGNED): Likewise.
 542         (tree_real_cst): Unwrap comment.
 543         (tree_string): Likewise.
 544         (tree_complex): Likewise.
 545         (IDENTIFIER_POINTER): correct cast.
 546         (SAVE_EXPR_CONTEXT): Whitespace.
 547         (EXPR_WFL_FILENAME_NODE): Likewise.
 548         (EXPR_WFL_FILENAME): Remove parenthesis.
 549         (DECL_ORIGIN): Add parenthesis.
 550         (DECL_FROM_INLINE): Use NULL_TREE.
 551         (build_int_2): Whitespace.
 552         (build_type_variant): Add parenthesis.
 553
 554         * gcc/jcf-parse.c: Update copyright date.
 555         (yyparse): Constify resource_filename.
 556
 557 2002-01-03  Graham Stott  <grahams@redhat.com>
 558
 559         * rtl.h: Update copyright date.
 560         (RTL_CHECK1): Wrap long line.
 561         (RTL_CHECK2): Likewise.
 562         (RTL_CHECKC1): Wrap long line and whitespace.
 563         (RTL_CHECKC2): Likewise.
 564         (XWINT): Whitespace.
 565         (XINT): Likewise.
 566         (XSTR): Likewise.
 567         (XEXP): Likewise.
 568         (XVEC): Likewise.
 569         (XMODE): Likewise.
 570         (XBITMAP): Likewise.
 571         (XTREE): Likewise.
 572         (XBBDEF): Likewise.
 573         (XTMPL): Likewise.
 574         (X0WINT): Likewise.
 575         (X0INT):Likewise.
 576         (X0UINT): Likewise.
 577         (X0STR): Likewise.
 578         (X0EXP): Likewise.
 579         (X0VEC): Likewise.
 580         (X0MODE): Likewise.
 581         (X0BITMAP): Likewise.
 582         (X0TREE): Likewise.
 583         (X0BBDEF): Likewise.
 584         (X0ADVFLAGS): Likewise.
 585         (X0CSELIB): Likewise.
 586         (X0MEMATTR): Likewise.
 587         (XCWINT): Likewise.
 588         (XCINT): Likewise.
 589         (XCUINT): Likewise.
 590         (XCSTR): Likewise.
 591         (XCEXP): Likewise.
 592         (XCVEC): Likewise.
 593         (XCMODE): Likewise.
 594         (XCBITMAP): Likewise.
 595         (XCTREE): Likewise.
 596         (XCBBDEF): Likewise.
 597         (XCADVFLAGS): Likewise.
 598         (XCCSELIB): Likewise.
 599         (XC2EXP): Likewise.
 600         (INSN_UID): Likewise.
 601         (PREV_INSN): Likewise.
 602         (PATTERN): Likewise.
 603         (INSN_CODE): Likewise.
 604         (PUT_REG_NOTE_KIND): Likewise.
 605         (CODE_LABEL_NUMBER): Likewise.
 606         (NOTE_SOURCE_FILE): Likewise.
 607         (NOTE_BLOCK): Likewise.
 608         (NOTE_EH_HANDLER): Likewise.
 609         (NOTE_RANGE_INFO): Likewise.
 610         (NOTE_LIVE_INFO): Likewise.
 611         (NOTE_BASIC_BLOCK): Likewise.
 612         (NOTE_EXPECTED_VALUE): Likewise.
 613         (NOTE_LINE_NUMBER): Likewise.
 614         (LABEL_NAME): Likewise.
 615         (LABEL_NUSES): Likewise.
 616         (LABEL_ALTERNATE_NAME): Likewise.
 617         (ADDRESSOF_DECL): Likewise.
 618         (JUMP_LABEL): Likewise.
 619         (LABEL_NEXTREF): Likewise.
 620         (REGNO): Likewise.
 621         (ORIGINAL_REGNO: Likewise.
 622         (HARD_REGISTER_NUM_P): Add parenthesis.
 623         (SUBREG_REG): Whitespace.
 624         (SUBREG_BYTE): Likewise.
 625         (ASM_OPERANDS_TEMPLATE): Remove parenthesis.
 626         (ASM_OPERANDS_OUTPUT_CONSTRAINT): Likewise.
 627         (ASM_OPERANDS_OUTPUT_IDX): Likewise.
 628         (ASM_OPERANDS_INPUT_VEC): Likewise.
 629         (ASM_OPERANDS_INPUT_CONSTRAINT_VEC): Likewise.
 630         (ASM_OPERANDS_INPUT): Likewise.
 631         (ASM_OPERANDS_INPUT_LENGTH): Likewise.
 632         (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): Likewise.
 633         (ASM_OPERANDS_INPUT_CONSTRAINT): Likewise.
 634         (ASM_OPERANDS_INPUT_MODE): Likewise.
 635         (ASM_OPERANDS_SOURCE_FILE): Likewise.
 636         (ASM_OPERANDS_SOURCE_LINE): Likewise.
 637         (MEM_SET_IN_STRUCT_P): Minor reformat.
 638         (TRAP_CONDITION): Whitespace.
 639         (TRAP_CODE): Likewise.
 640         (COND_EXEC_TEST): Likewise.
 641         (COND_EXEC_CODE): Likewise.
 642         (FIND_REG_INC_NOTE): Uppercase macro args and add parenthesis.
 643         (PHI_NODE_P): Add parenthesis.
 644         (plus_constant): Whitespace and add parenthesis.
 645
 646 2002-01-03  Kazu Hirata  <kazu@hxi.com>
 647
 648         * config/avr/avr.c: Fix comment typos.
 649         * config/c4x/c4x.md: Likewise.
 650         * config/dsp16xx/dsp16xx.h: Likewise.
 651         * config/dsp16xx/dsp16xx.md: Likewise.
 652         * config/i386/i386.md: Likewise.
 653         * config/ia64/ia64.c: Likewise.
 654         * config/m32r/m32r.h: Likewise.
 655         * config/m68hc11/m68hc11.md: Likewise.
 656         * config/mmix/mmix.c: Likewise.
 657         * config/mn10200/mn10200.c: Likewise.
 658         * config/romp/romp.c: Likewise.
 659         * config/sh/sh.c: Likewise.
 660         * config/stormy16/stormy16.c: Likewise.
 661         * config/stormy16/stormy16.h: Likewise.
 662         * config/stormy16/stormy16.md: Likewise.
 663
 664 2002-01-03  Graham Stott  <grahams@redhat.com>
 665
 666         * loop.h: Update copyright date.
 667         (LOOP_MOVABLES): Fix typo.
 668         (LOOP_REGS): Likewise.
 669         (LOOP_IVS): Likewise.
 670
 671 2002-01-03  Graham Stott  <grahams@redhat.com>
 672
 673         * cppinit.c: Update copyright date.
 674         Don't include output.h
 675         * Makefile.in: Update copyright date.
 676         Update dependency.
 677
 678 2002-01-02  Craig Rodrigues  <rodrigc@gcc.gnu.org>
 679
 680         PR c/5226
 681         * invoke.texi (-mthreads): Remove from documented RS/6000 options.
 682         (-pthread) Add to RS/6000 options.
 683
 684 2002-01-02  Kazu Hirata  <kazu@hxi.com>
 685
 686         * except.c: Fix comment typos.
 687         * loop.c: Likewise.
 688         * varasm.c: Likewise.
 689         * doc/tm.texi: Fix a typo.
 690
 691 2002-01-02  Jakub Jelinek  <jakub@redhat.com>
 692
 693         * c-typeck.c (output_init_element): Allow initializing static storage
 694         duration objects with compound literals.
 695
 696 2002-01-02  Richard Henderson  <rth@redhat.com>
 697
 698         * objc/objc-act.c (hack_method_prototype): Clear current_function_decl
 699         after abusing it.
 700
 701 2002-01-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 702
 703         * gcc.c (default_compilers): Const-ify.
 704         * mips-tdump.c (stab_names): Likewise.
 705         * mips-tfile.c (map_coff_types, map_coff_storage,
 706         map_coff_sym_type, map_coff_derived_type, stabs_symbol,
 707         pseudo_ops_t, pseudo_ops): Likewise.
 708         * protoize.c (default_include): Likewise
 709
 710         * real.c (GET_REAL, PUT_REAL): Don't cast away const-ness.
 711         (ezero, ehalf, eone, etwo, e32, elog2, esqrt2, epi): Const-ify.
 712         Add array size in declaration.
 713         (endian, emov, eisneg, eisinf, eisnan, eiisnan, eiisneg, emovi,
 714         emovo, emovz, eiisinf, ecmpm, eaddm, esubm, m16m, edivm, emulm,
 715         esub, eadd, eadd1, ediv, emul, e53toe, e64toe, e113toe, e24toe,
 716         etoe113, etoe64, etoe53, etoe24, ecmp, eround, ltoe, ultoe,
 717         eifrac, euifrac, e24toasc, e53toasc, e64toasc, e113toasc, etoasc,
 718         efloor, efrexp, eldexp, eremain, dectoe, etodec, ibmtoe, etoibm,
 719         c4xtoe, etoc4x, uditoe, ditoe, etoudi, etodi, esqrt, etens,
 720         emtens, make_nan): Const-ify.
 721         (TFbignan, TFlittlenan, XFbignan, XFlittlenan, DFbignan,
 722         DFlittlenan, SFbignan, SFlittlenan): Make static and const-ify.
 723
 724 2002-01-02  Joseph S. Myers  <jsm28@cam.ac.uk>
 725
 726         * config.gcc (ia64-*-*): Set extra_headers.
 727         (alpha*-dec-osf*): Likewise.  Don't use alpha/t-osf.
 728         * config/alpha/t-osf: Remove.
 729         * config/ia64/t-ia64 (EXTRA_HEADERS): Remove.
 730
 731 2002-01-02  David Edelsohn  <edelsohn@gnu.org>
 732
 733         * config/rs6000/t-aix43: Revert previous change.
 734
 735 2002-01-02  Jason Merrill  <jason@redhat.com>
 736
 737         * c-decl.c (c_expand_body): Call outlining_inline_function when
 738         emitting an inline function out of line.
 739
 740 2002-01-02  Richard Henderson  <rth@redhat.com>
 741
 742         * dwarf2out.c (limbo_die_node): Add created_for member.
 743         (new_die): New argument created_for.  Update all callers.
 744         (mark_limbo_die_list): New.
 745         (dwarf2out_init): Register limbo_die_list as a root.
 746         (dwarf2out_finish): Force insert limbo dies into their function
 747         context.
 748
 749 2002-01-02  Nathan Sidwell  <nathan@codesourcery.com>
 750
 751         PR c++/5089
 752         * doc/invoke.texi (-Wold-style-cast): Only warn about non-void casts.
 753
 754 2002-01-02  Kazu Hirata  <kazu@hxi.com>
 755
 756         * config/h8300/fixunssfsi.c: Update copyright.
 757         Fix comment typos.
 758         Fix formatting.
 759         * config/h8300/h8300.c: Update copyright.
 760         Eliminate warnings.
 761
 762 2002-01-02  Kazu Hirata  <kazu@hxi.com>
 763
 764         * config/romp/romp.c: Fix comment formatting.
 765         * config/romp/romp.h: Likewise.
 766         * config/romp/romp.md: Likewise.
 767         * config/s390/s390.c: Likewise.
 768         * config/stormy16/stormy16.c: Likewise.
 769         * config/stormy16/stormy16.h: Likewise.
 770
 771 2002-01-02  Alexandre Oliva  <aoliva@redhat.com>
 772
 773         * c-common.h (genrtl_expr_stmt_value): Declare.
 774         * c-semantics.c (genrtl_goto_stmt): Redirect to...
 775         (genrtl_goto_stmt_value): ... this new function.  Pass new
 776         argument down to expand_expr_stmt_value, taking
 777         TREE_ADDRESSABLE into account.
 778         * c-common.c (c_expand_expr): Mark the last EXPR_STMT of a
 779         STMT_EXPR as addressable, i.e., one whose result we want.
 780         * expr.c (expand_expr): Don't save expression statement value
 781         of labeled_blocks or loop_exprs.
 782         * stmt.c (expand_expr_stmt): Redirect to...
 783         (expand_expr_stmt_value): ... this new function.  Use new
 784         argument to tell whether to save expression value.
 785         (expand_end_stmt_expr): Reset last_expr_type and
 786         last_expr_value if we don't have either.
 787         * tree-inline.c (declare_return_variable): Mark its use
 788         statement as addressable.
 789         * tree.h: Document new use of TREE_ADDRESSABLE.
 790         (expand_expr_stmt_value): Declare.
 791
 792 2002-01-01  Tom Rix  <trix@redhat.com>
 793
 794         * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Fix for use by
 795         rs6000_emit_allocate_stack.
 796
 797 2002-01-01  Joseph S. Myers  <jsm28@cam.ac.uk>
 798
 799         * configure.in: Prepend ${srcdir}/config/${cpu_type}/ instead of
 800         ${srcdir}/ginclude/ to every entry in extra_headers.
 801         * configure: Regenerate.
 802         * ginclude/math-3300.h: Rename to config/m68k/math-3300.h.
 803         * ginclude/math-68881.h: Rename to config/m68k/math-68881.h.
 804         * ginclude/ppc-asm.h: Rename to config/rs6000/ppc-asm.h.
 805         * ginclude/proto.h: Rename to config/convex/proto.h.
 806
 807 Tue Jan  1 17:12:56 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 808
 809         * attribs.c (handle_vector_size_attribute): Use host_integerp
 810         and tree_int_cst; remove warnings.
 811         * caller-save.c (insert_restore): Add cast to get rid of warning.
 812         (insert_save): Likewise.
 813         * emit-rtl.c (adjust_address_1, offset_address): Likewise.
 814         * regmove.c (find_matches): Add temporary var to kill a warning.
 815
 816 2002-01-01  Douglas B Rupp  <rupp@gnat.com>
 817
 818         * config/alpha/vms.h (DWARF2_UNWIND_INFO, EH_RETURN_HANDLER_RTX,
 819         LINK_EH_SPEC, MD_FALLBACK_FRAME_STATE_FOR): Define.
 820         * config/alpha/t-vms (EXTRA_PARTS): Add vms-dwarf2eh.o
 821         (vms-dwarf2eh.o): Add Makefile rule.
 822         * config/alpha/vms-ld.c (main): Handle vms-dwarf2eh.o.
 823         * config/alpha/vms-dwarf2eh.asm: New file.
 824
 825         * gcc.c (delete_if_ordinary): Delete all versions.
 826
 827 2002-01-01  Hans-Peter Nilsson  <hp@bitrange.com>
 828
 829         * config/mmix/mmix.md: Update FIXME to not mention
 830         define_constants.
 831         (MMIX_rJ_REGNUM): New define_constants constant.
 832         ("movqi", "movsi", "movdi", "*movdicc_real_foldable",
 833         "*movdicc_real"): Adjust contraints formatting.
 834         ("*bCC_foldable"): Add %+ for P in output format and delete FIXME
 835         for branch prediction.
 836         ("*bCC", "*bCC_inverted_foldable", "*bCC_inverted"): Add %+ in
 837         output template.
 838         ("*call_real", "*call_value_real", "nonlocal_goto_receiver",
 839         "*nonlocal_goto_receiver_expanded"): Use MMIX_rJ_REGNUM instead of
 840         number.  Delete related FIXMEs.
 841         * config/mmix/mmix.h (MMIX_INCOMING_RETURN_ADDRESS_REGNUM): Change
 842         from number to MMIX_rJ_REGNUM.
 843         (TARGET_MASK_BRANCH_PREDICT): New.
 844         (TARGET_DEFAULT): Change to TARGET_MASK_BRANCH_PREDICT.
 845         (TARGET_SWITCHES): Update comment.  Correct -mno-toplevel-symbols
 846         value.  Add -mbranch-predict and -mno-branch-predict.
 847         (TARGET_VERSION): Drop date.
 848         (ADDITIONAL_REGISTER_NAMES): Use MMIX_rJ_REGNUM, not number.
 849         * config/mmix/mmix.c (mmix_encode_section_info): Correct condition
 850         for finding out global symbols.
 851         (mmix_asm_output_labelref): Revert condition for global symbol.
 852         (mmix_print_operand): <case '+'>: Emit P for a likely branch.
 853         (mmix_print_operand_punct_valid_p): A '+' is valid.
 854
 855 See ChangeLog.6 for earlier changes.