gcc/ChangeLog

   1 2001-08-08  Bernd Schmidt  <bernds@redhat.com>
   2
   3         * cselib.c (cselib_record_sets): If insn is predicated, turn
   4         sources into IF_THEN_ELSEs.
   5
   6         * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
   7         Turn into define_insn_and_split.
   8
   9 2001-08-08  Graham Stott  <grahams@redhat.com>
  10
  11         * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
  12         within fixed length SEQUENCE.
  13
  14 2001-08-08  Graham Stott  <grahams@redhat.com>
  15
  16         * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
  17         (diagnostic_prefixing_rule): Likewise.
  18         (diagnostic_line_cutoff): Likewise.
  19         (diagnostic_kind_count): Likewise.
  20
  21 2001-08-08  Graham Stott  <grahams@redhat.com>
  22
  23         * alias.c (find_base_decl): Delete redundent assignment.
  24
  25 2001-08-08  Graham Stott  <grahams@redhat.com>
  26
  27         * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
  28         (abs): Uppercase and paranthesize macro parameter.
  29         (MEM_DEPENDENCY): Add whitespace.
  30
  31 2001-08-08  Graham Stott  <grahams@redhat.com>
  32
  33         * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
  34         failure check for CONST_INT
  35
  36 2001-08-08  Graham Stott  <grahams@redhat.com>
  37
  38         * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
  39         (libcall_dead_p): Likewise.
  40
  41         (mark_used_regs): Constify fmt.
  42         (find_use_as_address): Likewise.
  43
  44 2001-08-08  Graham Stott  <grahams@redhat.com>
  45
  46         * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
  47          parameter.
  48
  49 2001-08-08  Graham Stott  <grahams@redhat.com>
  50
  51         * combine.c (combine_simplify_rtx): Update comment and
  52         remove erroneous test.
  53
  54 2001-08-07  Neil Booth  <neil@daikokuya.demon.co.uk>
  55
  56         * cppinit.c (cpp_finish): Pop the final buffer without comment.
  57         * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
  58         take care to avoid multiple no-newline at EOF warnings in that
  59         case.
  60
  61 Tue Aug  7 22:18:06 CEST 2001  Jan Hubicka  <jh@suse.cz>
  62
  63         * calls.c (expand_call): Do not emit INSN_SETJMP note.
  64         (emit_library_call_value_1): Likewise.
  65         (emit_call_1): Emit REG_SETJMP note.
  66         * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
  67         of INSN_SETJMP
  68         * cselib.c (cselib_process_insn): Likewise.
  69         * flow.c (propagate_block): Likewise.
  70         * loop.c (find_and_verify_loops): Likewise.
  71         * reload.c (find_equiv_regs): Likewise.
  72         * reload1.c (reload): Likewise.
  73         * resource.c (mark_referenced_resources,
  74         mark_set_resources): Likewise.
  75         * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
  76         * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
  77         * haifa-sched.c (unlink_other_notes): Likewise.
  78         (reemit_notes): Likewise.
  79         * sched-ebb.c (sched_ebb): Likewise.
  80         * sched-rgc.c (sched_region): Likewise.
  81         * rtl.c (note_insn_name): Likewise.
  82         (reg_note_name): Add REG_SETJMP
  83         * rtl.h (reg_note): Add REG_SETJMP.
  84         (insn_note): Remove NOTE_INSN_SETJMP.
  85
  86         * profile.c (branch_prob): Add fake edges for setjmp.
  87
  88 2001-08-07  Daniel Jacobowitz  <drow@mvista.com>
  89
  90         * config.gcc: Quote target_cpu_default2 correctly for
  91         powerpc*-*-* targets.
  92
  93 2001-08-07  Neil Booth  <neil@daikokuya.demon.co.uk>
  94
  95         * cpplib.h, line-map.h: Update comments.
  96         * cppmain.c (printer_init): Move inline.
  97         (maybe_print_line, print_line): Take a map pointer.
  98         (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
  99         (cb_file_change): Don't use prior value of print.map.
 100
 101 2001-08-07  David Edelsohn  <edelsohn@gnu.org>
 102
 103         * doc/install.texi: Document fine-grained multilib configuration.
 104
 105 Tue Aug  7 16:52:54 CEST 2001  Jan Hubicka  <jh@suse.cz>
 106
 107         * rtlanal.c (find_first_parameter_load): Call note_stores
 108         only on the instructions.
 109
 110 Tue Aug  7 14:56:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
 111
 112         * alias.c (nonlocal_mentioned_p):
 113         Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
 114         * calls.c (emit_call_1): Likewise.
 115         * cse.c (cse_insn, invalidate_skipped_block): Likewise.
 116         * cselib.c (cselib_process_insn): Likewise.
 117         * df.c (df_insns_modify): Likewise.
 118         * flow.c (need_fake_edge_p): Likewise.
 119         (propagate_one_insn): Likewise.
 120         * haifa-sched.c (reemit_notes): Likewise.
 121         * integrate.c (copy_insn_list): Likewise.
 122         * jump.c (delete_prior_computation): Likewise.
 123         * local-alloc.c (validate_equiv_mem): Likewise.
 124         * loop.c (scan_loop): Likewise.
 125         * predict.c (estimate_probability): Likewise.
 126         * reload.c (reload): Likewise.
 127         * sched-deps (sched_analyze): Likewise.
 128         * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
 129         * gcse.c (compute_hash_table): Likewise.
 130         (mark_call): Likewise.
 131         (store_killed_in_insn): Likewise.
 132
 133 2001-08-07  Jason Merrill  <jason_merrill@redhat.com>
 134
 135         * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
 136
 137 2001-08-06  Richard Henderson  <rth@redhat.com>
 138
 139         * varasm.c (assemble_gc_entry): Remove.
 140         * output.h: Likewise.
 141
 142 2001-08-06  Richard Henderson  <rth@redhat.com>
 143
 144         * varasm.c (assemble_constructor): Take a symbol_ref and a
 145         priority instead of a bare string.  Move priority handling
 146         here from cp/decl2.c.
 147         * output.h: Update decls.
 148
 149         * c-decl.c (c_expand_body): Update calls to assemble_constructor
 150         and assemble_destructor.
 151         * profile.c (output_func_start_profiler): Likewise.
 152         * objc/objc-act.c (finish_objc): Likewise.
 153         (build_module_descriptor): Return the symbol not the symbol name.
 154
 155 2001-08-06  David Edelsohn  <edelsohn@gnu.org>
 156
 157         * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
 158         * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
 159         ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
 160         * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
 161         * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
 162         * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
 163
 164 2001-08-06  Neil Booth  <neil@daikokuya.demon.co.uk>
 165
 166         * cpperror.c (print_containing_files): Moved to line-map.c.
 167         (print_location): line-map.c handles re-listing or otherwise.
 168         * cpphash.h (struct lexer_state): Remove next_bol.
 169         (struct cpp_buffer): Remove include_stack_listed.
 170         * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
 171         Remove faked buffer handling.
 172         (_cpp_do_file_change): Tweak.
 173         * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
 174         * cppmain.c (struct printer): Remove filename.
 175         (print_line, cb_file_change): Update accordingly.
 176         * line-map.c: Include intl.h.
 177         (init_line_maps): Initialize last_listed.
 178         (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
 179         (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
 180         (print_containing_files): New.
 181         * line-map.h (struct line_maps): New member last_listed.
 182         (print_containing_files, INCLUDED_FROM): New.
 183         * Makefile.in: Update.
 184         * po/POTFILES.in: Add line-map.c.
 185
 186 2001-08-06  Richard Henderson  <rth@redhat.com>
 187
 188         * except.c (convert_from_eh_region_ranges_1): Never mark
 189         USE or CLOBBER insns as throwing.
 190
 191         * expr.c (store_constructor): Don't clobber memory targets.
 192
 193 2001-08-06  Andreas Jaeger  <aj@suse.de>
 194
 195         * profile.c (branch_prob): Remove unused variable insn.
 196
 197         * Makefile.in (local-alloc.o): Add dependency on except.h.
 198
 199         * local-alloc.c: Include except.h for can_throw_internal prototype.
 200
 201 2001-08-06  Richard Henderson  <rth@redhat.com>
 202
 203         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
 204         * function.c (expand_main_function): Implement it.
 205         * doc/tm.texi: Document it.
 206
 207 2001-08-06  Stan Shebs  <shebs@apple.com>
 208
 209         * doc/install.texi: Document powerpc-*-darwin* details.
 210
 211 2001-08-06  Daniel Berlin  <dan@cgsoftware.com>
 212
 213         * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
 214         (ASM_CPU_SPEC): Move back to rs6000.h
 215         #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
 216
 217         * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
 218
 219         * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
 220         readded.
 221
 222         * config/rs6000/linux64.h: Ditto.
 223
 224         * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
 225         to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
 226         nothing.
 227
 228         Remove accidently readded definitions of FUNCTION_PROLOGUE,
 229         FUNCTION_EPILOGUE,  ASM_OPEN_PAREN, ASM_CLOSE_PAREN
 230
 231         * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
 232         to rs6000.h
 233
 234 2001-08-05  Richard Henderson  <rth@redhat.com>
 235
 236         * local-alloc.c (update_equiv_regs): Do not move insns that
 237         can throw.
 238
 239 2001-08-05  Jan Hubicka  <jh@suse.cz>
 240
 241         * Makefile.in (reload1.o): Add dedendancy on except.h
 242         * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
 243         prototypes.
 244         * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
 245         indicating wehther edges has been cleaned up.
 246         * reload1.c: Inlucde except.h
 247         (fixup_abnormal_edges): Accept deleted insns.
 248         * toplev.c (rest_of_compilation): Purge dead edges unconditionally
 249         after combine.
 250
 251 2001-08-06  Neil Booth  <neil@daikokuya.demon.co.uk>
 252
 253         * cpplib.c (do_line): Correct line number after pop_buffer.
 254
 255 2001-08-05  Neil Booth  <neil@daikokuya.demon.co.uk>
 256
 257         PR preprocessor/3824
 258         * line-map.c: Update comments.
 259         * line-map.h: Update comments.
 260         * tradcif.y: Don't consider large numbers unsigned.
 261
 262 2001-08-05  Neil Booth  <neil@daikokuya.demon.co.uk>
 263
 264         PR preprocessor/3081
 265         * c-lex.c (map): New.
 266         (cb_file_change): Update map and use it.
 267         (cb_def_pragma, cb_define, cb_undef): Use map and line.
 268         (c_lex): Update to use map.
 269         * cpperror.c (print_location): Move to using logical line numbers.
 270         * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
 271         (cpp_make_system_header): Similarly.
 272         (_cpp_execute_include): Stop line numbering hacks.  Store the
 273         line we will return to.
 274         * cpphash.h (CPP_BUF_LINE): Remove.
 275         (struct cpp_buffer): Remove lineno and pseudo_newlines.
 276         Add map and return_to_line.
 277         (_cpp_do_file_change): Update.
 278         * cppinit.c (cpp_start_read): Update line kludge.
 279         * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
 280         (trigraph_ok): Use logical line numbers for diagnostics.
 281         (skip_block_comment): Likewise.
 282         (skip_whitespace): Likewise.
 283         (skip_line_comment): Use pfile->line instead.
 284         (_cpp_lex_token): Update to use logical line numbering exclusively.
 285         Handle BOL locally.  Accept new lines in directives, but keep
 286         pfile->line decremented.  Diagnostics use logical lines.  Update
 287         directive handling.
 288         * cpplib.c (SEEN_EOL): New.
 289         (skip_rest_of_line, check_eol): Use it.
 290         (end_directive): Increase line number when accepting the newline
 291         at the end of a directive.
 292         (run_directive): Simplify.
 293         (do_line): Bad LC_LEAVEs become LC_RENAMEs.  Update.
 294         (_cpp_do_file_change): Update to take buffer line number as an
 295         argument, and store the current map in the cpp_reader.  Remove
 296         line number kludges.
 297         (_cpp_do__Pragma): Restore output position after a _Pragma.
 298         (cpp_push_buffer): Don't set output line or lineno.
 299         (_cpp_pop_buffer): Transfer more info from a faked buffer.
 300         Remove line kludge.  Set output_line.
 301         * cppmacro.c (builtin_macro): Update handling of __LINE__.
 302         (parse_arg): Use logical lines.
 303         (save_lookahead_token): Save EOFs too now.
 304         * cppmain.c (struct printer): Fix comments.
 305         (printer_init): Simplify, let caller do errors.
 306         (scan_translation_unit, check_multiline_token, dump_macro): Update.
 307         (maybe_print_line): Simplify.
 308         (print_line): Don't print a linemarker if -P.
 309         (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
 310         (cb_file_change): Simplify.
 311         * line-map.h (LAST_SOURCE_LINE): Fix.
 312         (CURRENT_LINE_MAP): New.
 313
 314 2001-08-05  Bernd Schmidt  <bernds@redhat.com>
 315
 316         * doloop.c (doloop_modify_runtime): Properly compute number of
 317         iterations if loop was unrolled.
 318
 319         * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
 320         if their CSELIB_VAL_PTRs are.
 321
 322         * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
 323         (setup_spill_pointers): Initialize it.
 324         (spill_restore_mem): Set it.
 325         (do_spill, do_restore): Use it to add REG_INC note.
 326         * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
 327
 328         * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
 329         asms if other insns are available.
 330
 331         * config/ia64/ia64.c (condop_operator): New predicate.
 332         * config/ia64/ia64.h (PREDICATE_CODES): Add it.
 333         * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
 334         patterns.
 335
 336         * expr.c (expand_expr, case COND_EXPR): Prefer working with a
 337         temporary register than directly using a MEM.
 338
 339 2001-08-04  Hans-Peter Nilsson  <hp@bitrange.com>
 340
 341         * config/sh/sh.c (sh_asm_named_section): Fix typo in align
 342         parameter in last change.
 343
 344 2001-08-04  Zack Weinberg  <zackw@panix.com>
 345
 346         * sparc.md: Don't use #if inside C test expression.
 347
 348 2001-08-04  Richard Henderson  <rth@redhat.com>
 349
 350         * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
 351
 352 2001-08-04  Neil Booth  <neil@daikokuya.demon.co.uk>
 353
 354         * cpphash.h (struct cpp_reader): New member directive_line.
 355         * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
 356         * cpplib.c (do_define, do_undef, do_ident, do_include_common,
 357         do_pragma): Pass line to callbacks.
 358         (start_directive): Record line of directive.
 359         * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
 360         cb_include): Similarly.
 361         * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
 362         Similarly.
 363
 364 2001-08-04  Hans-Peter Nilsson  <hp@bitrange.com>
 365
 366         * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
 367         comment.
 368
 369 Sat Aug  4 13:51:36 CEST 2001  Jan Hubicka  <jh@suse.cz>
 370
 371         * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
 372
 373         * reload1.c (fixup_abnormal_edges): New static function.
 374         (reload): Use it.
 375
 376         * flow.c (need_fake_edge_p): New function.
 377         (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
 378         avoid call insn to be very last insn in the insn stream.
 379
 380         * profile.c (branch_prob): Call flow_call_edges_add instead of
 381         doing that by hand; cleanup cfg to re-merge basic blocks once
 382         we are done.
 383
 384 2001-08-04  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
 385
 386         * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
 387         are also on line-map.h.
 388         * cppfiles.c (stack_include_file): Update.
 389         * cpphash.h (struct cpp_buffer): New member return_at_eof.
 390         (_cpp_pop_buffer): New.
 391         * cppinit.c (cpp_destroy, cpp_finish): Update.
 392         (do_includes): Mark each buffer to return at EOF.
 393         * cpplex.c (_cpp_lex_token): Pop buffers at EOF.  Continue or
 394         return as requested.
 395         * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
 396         (cpp_pop_buffer): Rename _cpp_pop_buffer.  Stop skipping.
 397         * cpplib.h (cpp_pop_buffer): Remove.
 398         (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
 399         * cppmacro.c (cpp_scan_buffer_nooutput): Similarly.  No need to pop
 400         buffers.
 401         * cppmain.c (scan_buffer): Rename scan_translation_unit.  No need
 402         to pop buffers.
 403         (do_preprocessing): Update.
 404         * fix-header.c (read_scan_file): Update.  No need to pop buffers.
 405         * c-parse.in (_yylex): Similarly.
 406         * scan-decls.c (scan_decls): Similarly.
 407         * line-map.h: Update comments.
 408
 409         * objc/Make-lang.in (objc-act.o): Update dependencies.
 410
 411 2001-08-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 412
 413         * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
 414         and soft register for operand 0.
 415         ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
 416
 417 2001-08-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 418
 419         * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
 420         register for operand 0.
 421         ("bitcmpqi_z_used"): Allow memory for operand 0.
 422         (split "bitcmpqi"): New split to handle address reg as operand 1.
 423
 424 2001-08-04  Andreas Jaeger  <aj@suse.de>
 425
 426         * gcse.c: Revert Daniel's last patch.
 427
 428 2001-08-03  Zack Weinberg  <zackw@stanford.edu>
 429
 430         * sparc-protos.h: Add prototypes for fp_zero_operand and
 431         reg_or_0_operand.
 432         * sh-protos.h: Add prototype for fpul_operand.
 433
 434 2001-08-04  Hans-Peter Nilsson  <hp@bitrange.com>
 435
 436         * doc/extend.texi (Other Builtins): Fix typo in last change.
 437
 438 2001-08-03  Richard Henderson  <rth@redhat.com>
 439
 440         * target.h (gcc_target): Add asm_out.named_section,
 441         section_type_flags, have_named_sections.
 442         * target-def.h (TARGET_ASM_NAMED_SECTION): New.
 443         (TARGET_HAVE_NAMED_SECTIONS): New.
 444         (TARGET_SECTION_TYPE_FLAGS): New.
 445
 446         * Makefile.in (toplev.o): Depend on TARGET_H.
 447         (varasm.o, dbxout.o): Likewise.
 448         * c-common.c (decl_attributes): Check targetm.have_named_sections
 449         instead of ifdef ASM_OUTPUT_SECTION_NAME.
 450         * dbxout.c (dbxout_function_decl): Likewise.
 451         (dbxout_function_end): Likewise.
 452         * toplev.c (compile_file): Likewise.
 453         * varasm.c (exception_section): Likewise.
 454         * cp/decl2.c (finish_objects): Likewise.
 455
 456         * defaults.h (EH_FRAME_SECTION): Remove.
 457         (EH_FRAME_SECTION_ASM_OP): Remove.
 458         (EH_FRAME_SECTION_NAME): New.
 459         (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
 460         (UNIQUE_SECTION_P): Remove.
 461         * dwarf2out.c (SECTION_FORMAT): Remove.
 462         (ASM_OUTPUT_SECTION): Remove.
 463         (output_call_frame_info): Use named_section_flags.
 464         (output_comp_unit, dwarf2out_start_source_file): Likewise.
 465         (dwarf2out_end_source_file, dwarf2out_define): Likewise.
 466         (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
 467         * varasm.c (in_eh_frame, eh_frame_section): Remove.
 468         (named_section_flags): New.
 469         (named_section): Use it and targetm.section_type_flags.
 470         (resolve_unique_section): New.
 471         (assemble_start_function): Use it.
 472         (asm_emit_uninitialised, assemble_variable): Likewise.
 473         (default_section_type_flags): New.
 474         (default_no_named_section, default_elf_asm_named_section): New.
 475         (default_coff_asm_named_section, default_pe_asm_named_section): New.
 476         * output.h: Update varasm.c decls.
 477         (SECTION_*): New flags.
 478
 479         * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
 480         (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
 481
 482         * config/elfos.h (UNIQUE_SECTION_P): Remove.
 483         * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
 484         * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
 485         * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
 486         * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
 487         * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
 488         * config/mips/elf.h, config/mips/elf64.h: Likewise.
 489         * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
 490         * config/pa/pa64-hpux.h,
 491
 492         * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
 493         (TARGET_ASM_NAMED_SECTION): New.
 494         * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
 495         * config/alpha/vms.h, config/arm/coff.h: Likewise.
 496         * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
 497         * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
 498         * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
 499         * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
 500         * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
 501         * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
 502         * config/i386/sco5.h, config/i386/win32.h: Likewise.
 503         * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
 504         * config/mcore/mcore.h, config/mips/elf.h: Likewise.
 505         * config/mips/elf64.h, config/mips/iris6.h: Likewise.
 506         * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
 507         * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
 508         * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
 509         * config/sparc/sysv4.h: Likewise.
 510
 511         * config/nextstep.h: Error until named sections implemented.
 512
 513         * config/a29k/a29k.c (a29k_asm_named_section): New.
 514         * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
 515         (vms_section_type_flags, vms_asm_named_section): New.
 516         * config/arm/arm.c (arm_elf_asm_named_section): New.
 517         * config/avr/avr.c (asm_output_section_name): Remove.
 518         * config/avr/avr-protos.h: Update.
 519         * config/c4x/c4x.c (c4x_asm_named_section): New.
 520         * config/h8300/h8300.c (h8300_asm_named_section): New.
 521         * config/i386/i386.c (sco_asm_named_section): New.
 522         * config/i386/winnt.c (SECTION_PE_SHARED): New.
 523         (i386_pe_section_type_flags): New.
 524         (i386_pe_asm_named_section): New.
 525         * config/i386/i386-protos.h: Update.
 526         * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
 527         * config/mcore/mcore.c (mcore_asm_named_section): New.
 528         * config/mips/mips.c (iris6_asm_named_section): New.
 529         * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
 530         instead of UNIQUE_SECTION_P.
 531         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
 532         (xcoff_asm_named_section): New.
 533         * config/sh/sh.c (sh_asm_named_section): New.
 534         * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
 535
 536         * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
 537         * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
 538         (EH_FRAME_SECTION_NAME): New.
 539         (EXCEPTION_SECTION): New.
 540         * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
 541         (DEBUG_*_SECTION): Remove.
 542         * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
 543         * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
 544         (EH_FRAME_SECTION_ASM_OP): Remove.
 545
 546         * doc/tm.texi (UNIQUE_SECTION_P): Remove.
 547         (ASM_OUTPUT_SECTION_NAME): Remove.
 548         (TARGET_ASM_NAMED_SECTION): New.
 549         (TARGET_HAVE_NAMED_SECTIONS): New.
 550         (TARGET_SECTION_TYPE_FLAGS): New.
 551         (EH_FRAME_SECTION_ASM_OP): Remove.
 552         (EH_FRAME_SECTION_NAME): New.
 553
 554 2001-08-03  Zack Weinberg  <zackw@stanford.edu>
 555
 556         * builtins.c (fold_builtin_constant_p): Return integer_zero_node
 557         for complex expressions when cfun == 0.
 558         * doc/extend.texi: Document that __builtin_constant_p can be
 559         used in data initializers as well as functions.
 560
 561 2001-08-03  Alexandre Oliva  <aoliva@redhat.com>
 562
 563         * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
 564         variable I locally, instead of expecting a declaration in the
 565         calling context.
 566
 567 2001-08-03  Richard Henderson  <rth@redhat.com>
 568
 569         * except.c (collect_one_action_chain): Add an explicit cleanup
 570         action if regions surrounding a catch were encoded entirely
 571         within the call-site entry.
 572
 573 2001-08-03  Richard Henderson  <rth@redhat.com>
 574
 575         * dbxout.c (dbxout_symbol_location): Flatten subregs first;
 576         don't take REGNO of a non-register.
 577
 578 2001-08-03  John David Anglin  <dave@hiauly1.hia.nrc.ca>
 579
 580         * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
 581         __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
 582         (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
 583         (__gthread_mutex_init_function): New function for mutex initialization.
 584
 585 2001-08-03  Daniel Berlin  <dan@cgsoftware.com>
 586
 587         * Makefile.in: Revert screwed up commit.
 588
 589 2001-08-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 590
 591         * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
 592         * config/m68hc11/larith.asm (_exit): Split in several sub-sections
 593         merged by linker script to get a final _exit().
 594         (__do_global_dtors): New for destructor handling in specific exit
 595         section.
 596         (__do_global_ctors): New for constructors in specific install section.
 597         (__map_data_section): Map data sections before running constructors.
 598         * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
 599         (CTORS_SECTION_ASM_OP): Define to put in readonly section.
 600         (DTORS_SECTION_ASM_OP): Likewise.
 601         (CTORS_SECTION_FUNCTION): Define to force a reference to
 602         __do_global_ctors.
 603         (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
 604
 605 2001-08-03  Daniel Berlin  <dan@cgsoftware.com>
 606
 607         * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
 608
 609         * Makefile.in: Add df.h to gcse.c dependencies.
 610
 611 2001-08-03  John David Anglin  <dave@hiauly1.hia.nrc.ca>
 612
 613         * varasm.c (output_constant_def_contents): Use for the length of a
 614         string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
 615         depending on which is larger.
 616
 617 2001-08-03  Daniel Berlin  <dan@cgsoftware.com>
 618
 619         * gcse.c: Include df.h for use as a dataflow analyzer.
 620         Remove regvec.
 621         Declaration of reg_set_info: gone.
 622         New df_analyzer variable used by store motion.
 623         (reg_set_info): Deleted.
 624         (mark_mem_regs): New function, analyze regs used by a mem.
 625         (store_ops_ok): Use dataflow analyzer results to determine if
 626         necessary regs are changed in the block.
 627         (find_moveable_store): Remove check for symbol ref, we can handle
 628         much more complex expressions now.
 629         (compute_store_table): Remove most of the code, it's unnecessary
 630         now that the dataflow analyzer records the info for us.
 631         (store_killed_after): Add parameter to say whether to do the
 632         store_ops_okay test, used to speed up testing when we already know
 633         the answer, and just want to know if the store itself was killed.
 634         (build_store_vector): Largely rewritten to calculate the various
 635         vectors properly, and somewhat optimized.
 636         (store_motion): Init the df_analyzer, get REG_DEF chains.
 637         Also handle trapping expressions (since mems almost always trap)
 638         (simple_mem): Redefine what a simple mem is.
 639
 640 2001-08-03  DJ Delorie  <dj@redhat.com>
 641
 642         * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
 643         set from a constant part of the condition.
 644
 645 2001-08-01  Andrew Cagney  <ac131313@redhat.com>
 646
 647         * mkdeps.c (deps_add_default_target): Make local variable
 648         ``start'' a const char pointer.
 649         * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
 650
 651 2001-08-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 652
 653         * doc/install.texi (Configuration): Fix markup.
 654         (Specific, i?86-*-udk): Likewise.
 655         (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
 656         --with-gnu-ld.
 657         Document --enable-threads and --enable-libgcj status.
 658         (Specific, mips-sgi-irix*): Canonicalize triples.
 659         (Specific, mips-sgi-irix5): Warn about problems with this config.
 660         Mention required GNU as patch.
 661         Native assembler problems are fixed.
 662         (Specific, mips-sgi-irix6): Update O32 ABI support status.
 663         Document --enable-threads and --enable-libgcj status.
 664
 665 2001-08-02  Nick Clifton  <nickc@cambridge.redhat.com>
 666
 667         * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
 668         of mkinstalldirs.
 669
 670 2001-08-03  Richard Henderson  <rth@redhat.com>
 671
 672         * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
 673         constant data.
 674
 675 2001-08-03  Richard Henderson  <rth@redhat.com>
 676
 677         * rtlanal.c (find_first_parameter_load): Stop if we
 678         reach a CODE_LABEL at BOUNDARY.
 679
 680 2001-08-03  Richard Henderson  <rth@redhat.com>
 681
 682         * config/alpha/alpha.md (force_movdi): New insn.
 683         * config/alpha/alpha.c (alpha_expand_prologue): Use it.
 684         Tweek FRP marking of VMS prologue insns.
 685         * config/alpha/vms.h (EPILOGUE_USES): New.
 686
 687 2001-08-02  Richard Henderson  <rth@redhat.com>
 688
 689         * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
 690
 691 2001-08-02  Lars Brinkhoff  <lars@nocrew.org>
 692
 693         * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
 694         simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
 695         config/convex/convex.h, config/d30v/d30v.c,
 696         config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
 697         config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
 698         config/mips/mips.h, config/mn10200/mn10200.h,
 699         config/mn10300/mn10300.h, config/pdp11/pdp11.md,
 700         config/v850/v850.h, config/vax/openbsd.h,
 701         config/vax/openbsd1.h, config/vax/ultrix.h,
 702         config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
 703         config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
 704         cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
 705         doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
 706         doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
 707         in comments and documentation.
 708
 709 2001-08-03  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
 710
 711         * line-map.c: New.
 712         * line-map.h: New.
 713         * Makefile.in (line-map.o): New.
 714         (LIBCPP_OBJS, LIBCPP_DEPS): Update.
 715         * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
 716         * cpperror.c (print_containing_files): Similarly.
 717         (print_location): Update.  Don't output a space before _Pragma.
 718         * cppfiles.c (stack_include_file): Set to line 1 immediately.
 719         (stack_include_filee, cpp_make_system_header): Update.
 720         (_cpp_execute_include): Get logical line number right for calling
 721         as-yet-unterminated #include.
 722         * cpphash.h (struct cpp_reader): Add line_maps.
 723         (_cpp_do_file_change): Update.
 724         * cppinit.c (cpp_create_reader): Initialize line maps.
 725         (cpp_destroy): Destroy line maps.
 726         (cpp_start_read): Get logical line number right.
 727         * cpplex.c (parse_string): Only warn once for multi-line strings.
 728         Use boolean variable for null warning.
 729         * cpplib.c (_cpp_handle_directive): End the directive if it isn't
 730         already.
 731         (do_include_common): End the directive early.
 732         (do_line): Don't warn about out-of-range lines in preprocessed
 733         source.  Update.  Remove unused variables.
 734         (_cpp_do_file_change): Update for new line mapping.
 735         (pragma_cb): New typedef.
 736         (cpp_register_pragma): Stop looking ahead before calling the
 737         handler.  Clean up.
 738         (do_pragma_system_header): End directive early.
 739         (cpp_get_line_maps): New.
 740         (cpp_pop_buffer): Fudge logical line.  Update.
 741         * cpplib.h: Include line-map.h
 742         (enum cpp_fc_reason): Remove.
 743         (struct cpp_file_change): Update.
 744         (cpp_get_line_maps): New.
 745         * cppmain.c (struct_printer): New member map.
 746         (cb_file_change): Update for new mappings.
 747         * fix-header.c (cb_file_change): Similarly.
 748
 749 2001-08-02  Nick Clifton  <nickc@cambridge.redhat.com>
 750
 751         * Makefile.in (libgcc.mk): Define mkinstalldirs.
 752         * mklibgcc.in: Use mkinstalldirs instead of mkdir.
 753
 754 2001-08-02  Lars Brinkhoff  <lars@nocrew.org>
 755
 756         * config/vax/vax.c: include expr.h.
 757
 758 2001-08-02  Nick Clifton  <nickc@cambridge.redhat.com>
 759
 760         * Makefile.in ($(srcdir)/configure): Only rebuild in
 761         maintainer mode.
 762         ($(srcdir)/config.in): Only define in maintainer mode.
 763         ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
 764
 765 2001-08-02  David Edelsohn  <edelsohn@gnu.org>
 766
 767         * doc/install.texi (Install GCC: Binaries): Update Bull info.
 768
 769 2001-08-02  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 770
 771         * gcc.c (set_collect_gcc_options): New function, split out from
 772         main.
 773         Ignore elided switches.
 774         (do_spec_1): Invoke before executing command.
 775         (set_input): Export.
 776         Move declaration ...
 777         * gcc.h (set_input): ... here.
 778         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
 779         file.
 780
 781 2001-08-02  Nathan Sidwell  <nathan@codesourcery.com>
 782
 783         Kill -fhonor-std.
 784         * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
 785         interaction.
 786         * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
 787
 788 2001-08-02  Richard Sandiford  <rsandifo@redhat.com>
 789
 790         * mips.md (movdicc): Make conditional on TARGET_64BIT.  Likewise
 791         for the unnamed instructions it expands to.
 792
 793 2001-08-02  Richard Henderson  <rth@redhat.com>
 794
 795         * regclass.c (call_really_used_regs): Conditionally define.
 796         (init_reg_sets_1): Don't use it if not defined.
 797         (fix_register): Similarly, don't set it.
 798
 799 2001-08-01  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 800
 801         * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
 802         Correct comment that had been missed in the previous change.
 803
 804 2001-08-01  Stan Shebs  <shebs@apple.com>
 805
 806         * config/darwin.c (machopic_stub_name): Try matching by name.
 807         (update_stubs): New function.
 808         (darwin_encode_section_info):  Call it and update_non_lazy_ptrs
 809         unconditionally.
 810
 811 2001-08-01  Richard Henderson  <rth@redhat.com>
 812
 813         * except.c (output_function_exception_table): Use assemble_align.
 814         * varasm.c (assemble_eh_label): Remove.
 815         (assemble_eh_align, assemble_eh_integer): Remove.
 816
 817 2001-08-01  Robert Lipe  <robertl@caldera.com>
 818
 819         * dwarfout.c: Remove reference to README.DWARF.
 820
 821 2001-08-01  Andrew MacLeod  <amacleod@redhat.com>
 822
 823         * regclass.c (call_really_used_regs): New array for registers which
 824         are actually used by a call.
 825         (init_reg_sets_1): Initialize regs_invalidated_by_call with the
 826         new array.
 827         (fix_register): Set call_really_used too.
 828         * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
 829         * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
 830
 831 2001-08-01  Richard Henderson  <rth@redhat.com>
 832
 833         * read-rtl.c (read_name): Consider \r whitespace.
 834
 835 2001-07-11  Andrew Cagney  <ac131313@redhat.com>
 836
 837         * config.gcc: Recognize powerpc-*-netbsd*.
 838
 839         * doc/install.texi (Host/target specific installation notes for
 840         GCC): Mention powerpc-*-netbsd*.
 841
 842         * config/rs6000/netbsd.h: New file.
 843         (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
 844         (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
 845         (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
 846         (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
 847         (TARGET_VERSION): Redefine.
 848
 849         * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
 850         mcall-netbsd as a match for mcall-sysv.
 851         (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
 852         (ncrti.S, ncrtn.S): New targets.
 853         ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
 854
 855         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
 856         "netbsd' as a V4 ABI.
 857         (ASM_SPEC): Check for -mcall-netbsd.
 858         (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
 859         (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
 860         (LIB_SPEC, ENDFILE_SPEC): Ditto.
 861         (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
 862         (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
 863         (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
 864         (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
 865
 866         * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
 867         (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
 868
 869 2001-08-01  Mark Kettenis  <kettenis@gnu.org>
 870
 871         * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
 872         only if NO_BASE_OF_ENCODED_VALUE isn't defined.
 873         * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
 874         including "unwind-pe.h".
 875
 876 Wed Aug  1 20:01:42 CEST 2001  Jan Hubicka  <jh@suse.cz>
 877
 878         * rs6000.md (define_splits): Kill unused constraints.
 879
 880 Wed Aug  1 20:02:12 CEST 2001 Graham Stott  <grahams@redhat.com>
 881                               Jan Hubicka  <jh@suse.cz>
 882
 883         * function.c (thread_prologue_and_epilogue_insns): Kill code
 884         dealing with non-existent CFG.
 885
 886 2001-08-01  Kazu Hirata  <kazu@hxi.com>
 887
 888         * alias.c: Fix comment formatting.
 889         * bitmap.c: Likewise.
 890         * builtins.c: Likewise.
 891         * calls.c: Likewise.
 892         * c-common.c: Likewise.
 893         * c-decl.c: Likewise.
 894         * c-dump.c: Likewise.
 895         * c-lex.c: Likewise.
 896         * collect2.c: Likewise.
 897         * combine.c: Likewise.
 898         * conflict.c: Likewise.
 899         * cppfiles.c: Likewise.
 900         * cppinit.c: Likewise.
 901         * cpplex.c: Likewise.
 902         * cpplib.c: Likewise.
 903         * cppmacro.c: Likewise.
 904         * cppspec.c: Likewise.
 905         * c-pragma.c: Likewise.
 906         * crtstuff.c: Likewise.
 907         * cse.c: Likewise.
 908         * cselib.c: Likewise.
 909         * c-semantics.c: Likewise.
 910         * c-typeck.c: Likewise.
 911
 912 2001-08-01  H.J. Lu <hjl@gnu.org>
 913
 914         * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
 915
 916 2001-08-01  H.J. Lu <hjl@gnu.org>
 917
 918         * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
 919
 920 2001-08-01  Ziemowit Laski  <zlaski@apple.com>
 921
 922         * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
 923         contextualizing Objective-C class name lookup by the lexer.
 924         (typespec_reserved_nonattr): Disable ObjC class name lookup after
 925         seeing a TYPESPEC.
 926         (protocoldef): Add support for forward @protocol declarations.
 927         (yylexname): Suppress ObjC class name lookup in certain contexts;
 928         re-enable after lookup is complete.
 929         (_yylex): Re-enable ObjC class name lookup when certain
 930         punctuation marks are seen.
 931
 932         * objc/objc-act.c (check_protocol_recursively): New function used
 933         for finding circular dependencies in protocols.
 934         (objc_declare_protocols): New function for handling forward
 935         @protocol declarations.
 936         (receiver_is_class_object): Detect the case when 'self' is used
 937         inside of a class method.
 938         (build_message_expr): Issue a warning if class method is desired
 939         but instance method is found instead.
 940         (conforms_to_protocol): Streamline.
 941         (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
 942         protocol Foo, even if 'Bar foo' does not.
 943         (check_protocols): Streamline.
 944         (start_protocol): Add checks for circular and duplicate protocol
 945         definitions.
 946         (encode_aggregate_within): For typedefs of structs, encode the
 947         underlying struct.
 948         * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
 949         (objc_declare_protocols): New prototype.
 950
 951 2001-08-01  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
 952
 953         * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
 954         * cpplex.c (handle_newline): Update prototype.  Maintain logical
 955         line number.
 956         (skip_escaped_newlines, skip_block_comment, parse_string):
 957         Update accordingly.
 958         (_cpp_lex_token): Update, and store token position within the token.
 959         * cpplib.h (struct cpp_token): Add line and column entries.
 960         * cppmacro.c (replace_args): Position stringified tokens correctly.
 961
 962 2001-08-01  Andreas Jaeger  <aj@suse.de>
 963
 964         * basic-block.h: Add prototype for last_loop_beg_note.
 965
 966 2001-07-31  Alexandre Petit-Bianco  <apbianco@redhat.com>
 967
 968         * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
 969         RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
 970         comment.
 971         (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
 972         while handling WITH_CLEANUP_EXPR node. Use second operand calling
 973         expand_decl_cleanup.
 974         * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
 975         the first RTX.
 976         (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
 977         operand while calling simple_cst_equal.
 978         * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
 979         operand is the cleanup expression, the third is the RTL_EXPR.
 980         * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
 981
 982 2001-07-31  Jeff Sturm  <jsturm@one-point.com>
 983
 984         * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
 985
 986 2001-07-31  matthew green  <mrg@eterna.com.au>
 987
 988         * config.gcc (i386-*-netbsdelf): New description.
 989         * config/i386/netbsd-elf.h: New file.
 990
 991 2001-07-30  Geoffrey Keating  <geoffk@redhat.com>
 992
 993         * loop.c (check_dbra_loop): Use single_set to compute
 994         jump_label.
 995
 996 2001-07-31  Daniel Berlin  <dan@cgsoftware.com>
 997
 998         PowerPC reorg and support for powerpc64-*-linux*.
 999
1000         Also fixes emitting of constants on 32 bit and 64 bit
1001         platforms.
1002
1003         * config.gcc: powerpc64-*-linux* is a new target.
1004         Things that needed aix.h now also include xcoff.h
1005
1006         * config/rs6000/rs6000.h: Split XCOFF specific stuff into
1007         xcoff.h.
1008         Move AIX specific stuff into aix.h.
1009         (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
1010         with more than just XCOFF now.
1011         (SET_ASM_OP): Remove, now defined where needed.
1012         (FUNCTION_PROLOGUE): New macro definition.
1013         (FUNCTION_EPILOGUE): New macro definition.
1014         (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
1015
1016         * config/rs6000/xcoff.h: New file.
1017
1018         * config/rs6000/linux64.h: New file.
1019
1020         * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
1021
1022 2001-07-31  Alan Modra  <amodra@bigpond.net.au>
1023
1024         * rs6000.c (print_operand_address): Handle ELF syntax.
1025         (output_toc): Simplify.  Use DOUBLE_INT_ASM_OP.
1026         * rs6000.md (load_toc_aix_di): Handle ELF syntax.
1027         * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
1028
1029 2001-07-31  David Edelsohn  <edelsohn@gnu.org>
1030
1031         * rs6000.c (rs6000_override_options): Only disable
1032         flag_function_sections for XCOFF.
1033         (exact_log2_cint_operand): New predicate.
1034         (reg_or_{add,sub}_cint64_operand): New predicates.
1035         (add_operand): Compare CONST_INT with fewer function calls.
1036         (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
1037         (print_operand, case 'p'): Ensure positive operand.
1038         (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
1039         * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
1040         (PREDICATE_CODES): Add new predicates.
1041         * rs6000.md (addsi3): Split 32-bit constants more correctly.
1042         (divsi3, modsi3): Ensure positive power-of-2.
1043         (adddi3): Use new predicate.  Split 32-bit constants more
1044         correctly.  Re-arrange splitter to handle any constant.
1045         (subdi3): Use new predicate.
1046         (divdi3, moddi3): Ensure positive power-of-2.
1047         (movdi): Use rs6000_emit_set_const.
1048         (load_toc_v4_pic_di): Delete.
1049
1050 2001-07-31  Graham Stott <grahams@redhat.com>
1051
1052         * function.c (pad_below): Revert 2001-07-26 patch.
1053
1054 Tue Jul 31 15:37:35 CEST 2001  Jan Hubicka  <jh@suse.cz>
1055
1056         * reg-stack (convert_regs_1): Fix best edge condition.
1057
1058 Tue Jul 31 15:33:27 CEST 2001  Jan Hubicka  <jh@suse.cz>
1059
1060         * jump.c (duplicate_loop_exit_test): Better test for jumps
1061         entering the loop; create loop pre_header.
1062
1063 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
1064
1065         * doc/install.texi: Add s390 and s390x as new targets.
1066         * doc/invoke.texi: Add documantation of S/390 and zSeries
1067         target options.
1068         * doc/md.texi: Add documantation of S/390 and zSeries constraints.
1069
1070 2001-07-30  Roman Zippel  <zippel@linux-m68k.org>
1071
1072         * config/m68k/m68k.md: Replace all general_operand with
1073         nonimmediate_operand for all destinations.
1074         * config/m68k/m68k.c (not_sp_operand): Likewise.
1075
1076 Mon Jul 30 23:20:34 EDT 2001  John Wehle  (john@feith.com)
1077
1078         * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
1079
1080 2001-07-30  Richard Henderson  <rth@redhat.com>
1081
1082         * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
1083         * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
1084
1085 2001-07-30  Roman Zippel  <zippel@linux-m68k.org>
1086
1087         * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
1088         Add missing doc strings
1089         * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
1090         * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
1091
1092 Mon Jul 30 22:16:08 CEST 2001  Jan Hubicka  <jh@suse.cz>
1093
1094         * i386.c (ix86_output_main_function_alignment_hack): New function.
1095         (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
1096
1097         * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
1098         edges by EDGE_DFS_BACK flag.
1099         (dump_edge_info): Add dfs_back flag.
1100         * basic-block.h (EDGE_DFS_BACK): New constant.
1101         (mark_dfs_back_edges): Declare.
1102         * alias.c (loop_p): Remove.
1103         (mark_constant_function): Use mark_dfs_back_edges.
1104
1105         * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
1106         (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
1107         (compensate_edge): Break out from ...
1108         (convert_regs_1): ... here; do smart choosing of stack_out to copy.
1109         (convert_regs_2): Set block_done once block is really done;
1110         Do updating of the predecesors counts.
1111
1112         * toplev.c (rest_of_compilation): Recompute block_for_insn
1113         before post-reload cfg_cleanup.
1114         * function.c (thread_prologue_epilogue_insns):
1115         Call set_block_for_new_insns when emitting prologue directly.
1116
1117 2001-07-30  Andreas Jaeger  <aj@suse.de>
1118
1119         * jump.c: Add prototype for mark_modified_reg.
1120
1121         * cse.c (set_live_p): Add unused attribute.
1122
1123         * gcov.c (calculate_branch_probs): Use gcov_type to avoid
1124         overflow.
1125         (scan_for_source_files): Use long for count to avoid overflow.
1126         (output_data): Likewise.
1127         (output_data): Don't use string concatatenation to silence gcc
1128         -traditional.
1129
1130         * predict.c: Fix typos and grammar.
1131
1132         * gcse.c (insert_insn_end_bb): Remove unused variables.
1133
1134 Mon Jul 30 21:54:53 CEST 2001  Jan Hubicka  <jh@suse.cz>
1135
1136         * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
1137         (attempt_auto_inc): LIkewise.
1138         (mark_used_reg): Likewise.
1139         (try_pre_increment_1): Likewise.
1140         * regclass.c (regclass): Likewise.
1141         * global.c (allocno_compare): Update comment; change scaling factor.
1142         * local-alloc.c (QTY_CMP_PRI): Likewise.
1143         * regs.h (REG_FREQ_FROM_BB): New.
1144         (REG_FREQ_MAX): Likewise.
1145
1146 2001-07-30  H.J. Lu <hjl@gnu.org>
1147
1148         * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
1149         -D_GNU_SOURCE.
1150
1151 2001-07-30  H.J. Lu  (hjl@gnu.org)
1152
1153         * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
1154         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
1155         (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
1156
1157 2001-07-30  Nick Clifton  <nickc@cambridge.redhat.com>
1158
1159         * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
1160         as -mthumb-interwork when -mcpu=arm7 is specified.
1161
1162 Mon Jul 30 17:44:43 CEST 2001  Jan Hubicka  <jh@suse.cz>
1163
1164         * predict.def (noreturn, loop branch, loop exit): Mark as first
1165         match heuristics.
1166
1167 Mon Jul 30 12:52:11 CEST 2001  Jan Hubicka  <jh@suse.cz>
1168
1169         * combine.c (try_combine): Avoid barrier after noop jumps.
1170
1171 2001-07-29  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
1172
1173         * cpphash.h (struct cpp_reader): Remove import_warning.
1174         * cpplib.c (skip_rest_of_line): Don't bother turning off
1175         macro expansion.
1176         (parse_include): Move include handling to...
1177         (do_include_common): ... here.  Move import warning from...
1178         (do_import): ... here.
1179         (do_pragma_poison): Don't do a callback for poison identifiers.
1180         * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
1181         * cppmain.c (setup_callbacks): Similarly.
1182
1183 Sun Jul 29 23:26:50 CEST 2001  Jan Hubicka  <jh@suse.cz>
1184
1185         * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
1186         handle multiple sets.
1187         * except.c (sjlj_mark_call_sites): .... here.
1188         * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
1189
1190 Sun Jul 29 21:38:45 CEST 2001  Jan Hubicka  <jh@suse.cz>
1191
1192         Suggested by Richard Henderson and Richard Kenner:
1193         * combine.c (recog_for_combine): Use the fake recog
1194         only if instruction does not match.
1195         * rtl.h (NOOP_MOVE_INSN_CODE): New.
1196         * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
1197
1198         * combine.c (try_combine): Discover noop jump as direct jump.
1199
1200 2001-07-29  Daniel Berlin  <dan@cgsoftware.com>
1201
1202         * df.c (df_rd_global_compute): Add successors to worklist, not
1203         current item.
1204         (df_ru_global_compute): Ditto.
1205
1206 2001-07-27  Daniel Berlin  <dan@cgsoftware.com>
1207
1208         * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
1209         increment REG_N_SETS.
1210
1211 2001-07-26  Daniel Berlin  <dan@cgsoftware.com>
1212
1213         * sbitmap.h: New prototype for sbitmap_a_xor_b.
1214
1215         * sbitmap.c (sbitmap_a_xor_b): New function.
1216         ifdef the basic block stuff on IN_GCC.
1217
1218 2001-07-29  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
1219
1220         * cppexp.c (parse_defined): Always record the macro name.
1221         (lex): Don't worry about identifiers, or special-case
1222         CPP_NOT here.
1223         (_cpp_parse_expr): Figure out at the end of the routine
1224         whether we saw a valid !defined() expression.
1225         * cppfiles.c (stack_include_file): Update for mi_valid.
1226         (_cpp_pop_file_buffer): Similarly.
1227         * cpplex.c (_cpp_lex_token): Similarly.
1228         * cpphash.h (enum mi_state, enum mi_ind, mi_state,
1229         mi_if_not_defined, mi_lexed): Remove.
1230         (mi_valid): New.
1231         * cpplib.c (do_if): Simplify.
1232         (do_endif, push_conditional, _cpp_handle_directive): Update
1233         for renaming of mi_state to mi_valid.
1234 doc:
1235         * cpp.texi: Add index entries for digraphs, and add comment
1236         that C++ refers to them as alternative tokens.
1237
1238 Sun Jul 29 18:59:13 CEST 2001  Jan Hubicka  <jh@suse.cz>
1239
1240         * basic-block.h (CLEANUP_PRE_LOOP): New.
1241         * except.c (finish_eh_generation): Update call of cleanup_cfg.
1242         * sibcall.c (optimize_sibling_calls): Likewise.
1243         * toplev.c (rest_of_compilation): Likewise.
1244         * flow.c (try_forward_edges): Take argument MODE;
1245         do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
1246         (try_optimize_cfg): Update call of try_forward_edges.
1247
1248 Sun Jul 29 18:59:56 CEST 2001  Roman Zippel  <zippel@linux-m68k.org>
1249                                Jan Hubicka  <jh@suse.cz>
1250
1251         * (validate_replace_rtx_1): Fix simplification of MINUS.
1252
1253 2001-07-29  Neil Booth  <neil@daikokuya.demon.co.uk>
1254
1255         PR preprocessor/3669
1256         * cppinit.c (init_dependency_output): Turn off dump requests
1257         if sending dependencies to stdout.
1258
1259 2001-07-28  Richard Henderson  <rth@redhat.com>
1260
1261         * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
1262         not optimizing.
1263
1264 2001-07-28  Golubev I. N.  <gin@mo.msk.ru>
1265
1266         * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
1267
1268 2001-07-28  Kazu Hirata  <kazu@hxi.com>
1269
1270         * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
1271         is VAR_DECL first to prevent an ICE.
1272
1273 2001-07-28  Richard Henderson  <rth@redhat.com>
1274
1275         * varasm.c (immed_real_const_1): Don't elide special cases for
1276         nested functions.
1277         (clear_const_double_mem): Clear const_tiny_rtx too.
1278
1279 2001-07-28  Richard Henderson  <rth@redhat.com>
1280
1281         * dwarf2out.c (dw_val_class_offset): New.
1282         (struct dw_ranges_struct, dw_ranges_ref): New.
1283         (ranges_table, ranges_table_allocated): New.
1284         (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
1285         (add_AT_offset, add_ranges, output_ranges): New.
1286         (print_die, output_die): Handle dw_val_class_offset.
1287         (attr_checksum, size_of_die, value_format): Likewise.
1288         (gen_lexical_block_die): Handle non-contiguous blocks.
1289         (gen_block_die): Likewise.
1290         (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
1291         if needed.  Dump the ranges table.
1292         * final.c (final_start_function): Remove unnecessary notes and
1293         rebuild the block tree before numbering the blocks.
1294         * function.c (reorder_blocks_0): Walk the existing block tree
1295         to unmark all blocks.
1296         (reorder_blocks_1): Create block fragments when duplicate block
1297         notes are seen.
1298         (reorder_fix_fragments): New.
1299         (reorder_blocks): Call it.
1300         * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
1301
1302 2001-07-28  Richard Henderson  <rth@redhat.com>
1303
1304         * emit-rtl.c (adjust_address): Make a copy of the memory address.
1305
1306 2001-07-28  Richard Henderson  <rth@redhat.com>
1307
1308         * flow.c (add_to_mem_set_list): New function.
1309         (init_propagate_block_info): Use it.
1310         (mark_set_1): Likewise.
1311         (insn_dead_p): Canonicalize memory address for dead store
1312         comparison.  Allow wider mode stores to kill narrower mode stores.
1313         (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
1314         (invalidate_mems_from_set): Don't handle MEMs.
1315
1316 2001-07-28  Kazu Hirata  <kazu@hxi.com>
1317
1318         * config/h8300/h8300.h: Fix formatting.
1319
1320 Sat Jul 28 23:35:22 CEST 2001  Jan Hubicka  <jh@suse.cz>
1321
1322         * basic-block.h (EDGE_FREQUENCY): New macro.
1323         * bb-reorder (fixup_reorder_chain): Set counts and frequencies
1324         for new BB/edges.
1325         * flow.c (find_sub_basic_blocks): Likewise.
1326         (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
1327         (redirect_edge_and_branch): Use EDGE_FREQUENCY.
1328
1329         * predict.c (DEF_PREDICTOR): New argument FLAGS.
1330         (HITRATE): New macro.
1331         (PRED_FLAG_FIRST_MATCH): New constant.
1332         (predictor_info): New field flgags.
1333         (combine_predictions_for_insn): Use DS theory to combine
1334         probabilities; set the edge probabilities when finished.
1335         (estimate_probability): Avoid duplicated matches
1336         of LOOP_BRANCH heuristics for nested loops; update comment.
1337         * predict.def: Add flags for each prediction, set probabilities
1338         according to B&L paper.
1339         * predict.h (DEF_PREDICTOR): New argument FLAGS.
1340
1341         * profile.c (compute_branch_probabilities):  Cleanup way the edge
1342         probabilities are computed and REG_BR_PROB notes are dropped; if
1343         values does not match, emit error.
1344         (init_branch_prob): Do error instead of warning when profile driven
1345         feedback is missing or corrupt.
1346
1347 2001-07-27  DJ Delorie  <dj@redhat.com>
1348
1349         * ifcvt.c (noce_get_alt_condition): If the condition is a compare
1350         against a constant, try to adjust the compare to have the desired
1351         constant in it so that min/max optimizations happen more often.
1352
1353 Fri Jul 27 17:53:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
1354
1355         * flow.c (last_loop_beg_note): New function.
1356         (redirect_edge_and_branch): Use it.
1357         (split_edge): Likewise.
1358
1359         * alias.c (loop_p): Avoid uninitialized memory access.
1360
1361         * flow.c (try_forward_edges): Avoid accessing freed memory.
1362
1363         * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
1364         variable access.
1365
1366 2001-07-27  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1367
1368         * doc/install.texi (Configuration): Properly link the host
1369         specific instructions also when generating HTML.
1370
1371 Fri Jul 27 00:33:35 EDT 2001  John Wehle  (john@feith.com)
1372
1373         * flow.c (redirect_edge_and_branch_force): Test
1374         target->global_live_at_start.
1375
1376 2001-07-26  Richard Henderson  <rth@redhat.com>
1377
1378         * simplify-rtx.c (avoid_constant_pool_reference): Export.
1379         * rtl.h (avoid_constant_pool_reference): Declare it.
1380         * dwarf2out.c (add_location_or_const_value_attribute): Use it.
1381         (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
1382
1383 Thu Jul 26 22:30:22 CEST 2001  Jan Hubicka  <jh@suse.cz>
1384
1385         * rtl.h (cleanup_barriers): Declare.
1386         * jump.c (cleanup_barriers): New function.
1387         * toplev.c (rest_of_compilation): Call cleanup_barriers
1388         before loop optimizer and after bb_reorder.
1389
1390         * flow.c (back_edge_of_syntactic_loop_p): New.
1391         (split_edge): Use it.
1392
1393 2001-07-26  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1394
1395         * glimits.h (_MACH_MACHLIMITS_H_): Delete.
1396
1397 Thu Jul 26 22:22:21 2001  Denis Chertykov  <denisc@overta.ru>
1398
1399         * cse.c (cse_process_notes): Replace any registers if the address
1400         remains valid.
1401
1402 Thu Jul 26 14:04:03 EDT 2001  John Wehle  (john@feith.com)
1403
1404         * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
1405         (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
1406         (propagate_block): Update prototype.
1407         * flow.c (update_life_info): Simplify the CFG and
1408         recalculate the global regs which are alive when
1409         removing dead code during a global update.
1410         (propagate_block): Return non-zero if an INSN is
1411         deleted.
1412
1413 2001-07-26  Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1414
1415         * Makefile.in (LIBICONV): Define.
1416
1417 2001-07-26  Catherine Moore  <clm@redhat.com>
1418
1419         * config/v850/v850.h (ENCODE_SECTION_INFO):  Change order
1420         of conditional to avoid tree checking errors.
1421
1422 2001-07-26  Kazu Hirata  <kazu@hxi.com>
1423
1424         * regmove.c (regmove_optimize): Don't replace a reg with
1425         another reg of a different mode.
1426
1427 2001-07-26  Andrew MacLeod  <amacleod@redhat.com>
1428
1429         * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
1430         limit length of dependancy flush list.
1431         * params.h (MAX_PENDING_LIST_LENGTH): Define.
1432         * sched-int.h  (struct deps): Add pending_flush_length field.
1433         * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
1434         has 1 element in it.
1435         (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
1436         (sched_analyze): After a jump, if the pending memory flush list is too
1437         large, flush the pending lists.
1438         (init_deps): Initialize pending_flush_length to 0.
1439         * doc/invoke.texi (max_pending_list_length): Document parameter.
1440
1441 2001-07-26  Neil Booth  <neil@daikokuya.demon.co.uk>
1442
1443         * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
1444         * dbxout.c (dbxout_global_decl): Move outside #ifdef.
1445         * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
1446
1447 2001-07-26  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
1448
1449         * cpphash.h (struct_lexer_state): Delete was_skipping.
1450         Move skipping here from struct cpp_reader.
1451         * cpplex.c (parse_identifier): Update.
1452         (_cpp_lex_token): Don't skip tokens in a directive.
1453         * cpplib.c (struct if_stack): Update.
1454         (start_directive, end_directive): Don't change skipping state.
1455         (_cpp_handle_directive): Update.
1456         (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
1457         (do_else, do_endif): Update; only check for excess tokens if not
1458         in a skipped conditional block.
1459         (push_conditional): Update for new struct if_stack.
1460
1461 2001-07-26  Graham Stott  <grahams@redhat.com>
1462
1463         * function.c (locate_and_pad_parm): Also pad initial offset
1464         so that the total argument size also includes the padding.
1465
1466 2001-07-26  Graham Stott <grahams@redhat.com>
1467
1468         * gensupport.c (alter_output_for_insn): Correct enable checking failure
1469         change XSTR to XTMPL.
1470
1471         (process_one_cond_exec): Likewise
1472
1473 2001-07-25  Richard Henderson  <rth@redhat.com>
1474
1475         * varasm.c (assemble_variable): Create DECL_RTL before setting
1476         TREE_ASM_WRITTEN.
1477
1478 Thu Jul 26 00:19:30 CEST 2001  Jan Hubicka  <jh@suse.cz>
1479
1480         * predict.c (estimate_probability): Avoid duplicated predictions.
1481
1482         * loop.c (find_and_verify_loops): Grok multiple barriers.
1483
1484 Wed Jul 25 18:00:05 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1485
1486         * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
1487
1488         * dbxout.c: Consistently use putc instead of fputc.
1489         (print_wide_int): New function; call instead of direct fprintf.
1490         (dbxout_type_index): Adjust calls of CHARS to be more accurate.
1491         (dbxout_type_fields, dbxout_type_method_1): Likewise.
1492         (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
1493         (print_int_cst_octal): Likewise.
1494         (print_octal): Show we wrote characters.
1495         (dbxout_type): Set have_used_extensions in more places.
1496
1497 2001-07-25  Catherine Moore  <clm@redhat.com>
1498
1499         * config/v850/v850.c (v850_va_arg):  Use addr
1500         instead of valist to build incr.
1501
1502 Wed Jul 25 22:48:59 CEST 2001  Jan Hubicka  <jh@suse.cz>
1503
1504         * flow.c (delete_dead_jumptables): New function.
1505         (life_analyzis): Call it.
1506         * bb-reorder.c (skip_insns_after_block): Handle contradictory
1507         sequences.
1508
1509 2001-07-25  Richard Henderson  <rth@redhat.com>
1510
1511         * except.c (reachable_handlers): Handle a region being removed
1512         out from under a RESX.
1513
1514 2001-07-25  Richard Henderson  <rth@redhat.com>
1515
1516         * config/alpha/alpha.c (alpha_emit_conditional_move): Always
1517         swap GE/GT if it is an fp comparison.
1518
1519 2001-07-25  Andrew Haley  <aph@cambridge.redhat.com>
1520
1521         * alias.c (rtx_equal_for_memref_p): Allow strings as types in
1522         operands.
1523
1524 Wed Jul 25 08:25:01 2001  Jeffrey A Law  (law@cygnus.com)
1525
1526         * ssa.c (rename_insn_1): Do not wrap an assignment to a
1527         paradoxical SUBREG inside a SEQUENCE.  Fix minor formatting
1528         glitch.
1529
1530         * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
1531         throw an exception.
1532         (visit_expression): When attempting to simplify an expression,
1533         retrieve any modes for arguments before they are simplified
1534         to constants.
1535
1536 2001-07-25  Andrew MacLeod  <amacleod@redhat.com>
1537             Janis Johnson  <janis@us.ibm.com>
1538
1539         * stmt.c (expand_goto): A nonlocal goto can be a call too.
1540         * builtins.c (expand_builtin_longjmp): Reverse label and static chain
1541         pointer parameters to match documented usage of nonlocal_goto.
1542         * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
1543         parameters to their correct order.
1544         * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
1545         parameters to their correct order.
1546
1547 2001-07-25  Andrew MacLeod  <amacleod@redhat.com>
1548
1549         * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
1550
1551 2001-07-25  Jan Hubicka  <jh@suse.cz>
1552             Richard Henderson  <rth@redhat.com>
1553
1554         * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
1555         the sequence.
1556         (make_edges): New argument update_p; populate the edge cache if set.
1557         (find_basic_blocks): Update make_edges invocation.
1558
1559 2001-07-24  Joel Sherrill <joel@OARcorp.com>
1560
1561         * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
1562
1563 2001-07-24  Joel Sherrill <joel@OARcorp.com>
1564
1565         * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
1566         -Acpu and -Amachine.h.
1567         * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
1568         Corrected header to say ELF not a.out.
1569         * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
1570         when given -msoft-float.
1571
1572 2001-07-24  Joel Sherrill <joel@OARcorp.com>
1573
1574         * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
1575         extra multilib parts like arm-elf.
1576         (i960-*-coff*, i960-*-rtems): Should not use collect2.
1577         (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
1578         crtfini.o as extra multilib parts.
1579
1580 2001-07-24  Joel Sherrill <joel@OARcorp.com>
1581
1582         * configure.in: Add rtems as a supported thread model.
1583         * gthr-rtems.h: Add missing entry point __gthread_active_p.
1584         * configure: Rebuilt.
1585
1586 2001-07-24  Lars Brinkhoff  <lars@nocrew.org>
1587
1588         * stor-layout.c (get_mode_alignment): make it work when
1589         BITS_PER_UNIT is not a power of two.
1590         * builtins.c (get_pointer_alignment): Likewise.
1591
1592 2001-07-24  Richard Henderson  <rth@redhat.com>
1593
1594         * simplify-rtx.c (avoid_constant_pool_reference): Coerce
1595         the retrieved constant into the expected mode.
1596
1597 Wed Jul 25 01:41:27 CEST 2001  Jan Hubicka  <jh@suse.cz>
1598
1599         * flow.c (try_simplify_condjump): Avoid duplicated edges.
1600         (verify_flow_info): Check for duplicated edges; clarify
1601         error reporting.
1602
1603         * flow.c (block_label): Update basic_block_for_insn.
1604         (commit_edge_insertions): Call compute_bb_for_insn.
1605
1606         * flow.c (purge_dead_edges): Handle conditional jumps and conditional
1607         returns too.
1608
1609         * flow.c (redirect_edge_and_branch,
1610         try_optimize_cfg): Use redirect_edge_succ_nodup
1611         (redirect_edge_succ_nodup): New.
1612         * basic_block.h (redirect_edge_succ_nodup): Declare.
1613
1614         * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
1615         after gcse.
1616
1617 Wed Jul 25 00:32:49 CEST 2001  Jan Hubicka  <jh@suse.cz>
1618
1619         * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
1620         (try_crossjump_to_edge): Update commetns.
1621         (try_crossjump_bb): Likewise.
1622
1623 2001-07-24  Richard Henderson  <rth@redhat.com>
1624
1625         * combine.c (distribute_notes): Move set of need_refresh
1626         for noop_move_p down to catch all cases.
1627
1628 Tue Jul 24 20:32:44 CEST 2001  Jan Hubicka  <jh@suse.cz>
1629
1630         * recog.c (split_all_insns_noflow): New.
1631         * rtl.h (split_all_insns_noflow): Declare.
1632         * ia64.c (ia64_reorg): Use split_all_insns_noflow.
1633         * m68hc11.c (m68hc11_reorg): Likewise.
1634         * sh.c (machine_dependent_reorg): Likewise.
1635         * toplev.c (rest_of_compilation): Likewise for last split_all_insns
1636         call.
1637
1638 2001-07-18  Andrew Haley  <aph@cambridge.redhat.com>
1639
1640         * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
1641         (ashlsi3_n splitter): Likewise.
1642         (lshrsi3_n splitter): Likewise.
1643
1644         (GOTaddr2picreg): Make const SImode.
1645         (sym_label2reg): Likewise.
1646         (symGOT2reg): Likewise.
1647         (symGOTOFF2reg) Likewise.
1648
1649         (casesi_worker_0): Make unspec SImode.
1650
1651 2001-07-18  Andrew Haley  <aph@cambridge.redhat.com>
1652
1653         * config/sh/sh.c (barrier_align): Check that an operand really is
1654         an insn before extracting its INSN_CODE.
1655
1656 2001-07-24  Andrew Haley  <aph@cambridge.redhat.com>
1657
1658         * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
1659         dangling else.
1660
1661         * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
1662         for SImode to prevent overflow.
1663
1664 2001-07-24  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1665
1666         * config/mips/irix6-libc-compat.c: New file.
1667         * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
1668         * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
1669         passing workaround.
1670
1671 2001-07-24  lars brinkhoff  <lars@nocrew.org>
1672
1673         * rtl.texi (REG_POINTER): Document.
1674         (Machine Modes): Document BImode, OImode, PQImode, PHImode,
1675         QFmode, HFmode, TQFmode, QCmode, and HCmode.
1676
1677 Tue Jul 24 10:49:40 CEST 2001  Jan Hubicka  <jh@suse.cz>
1678
1679         * flow.c (delete_noop_moves): Do not confuse libcall regions.
1680
1681 2001-07-23  Richard Henderson  <rth@redhat.com>
1682
1683         * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
1684
1685 2001-07-23  Kazu Hirata  <kazu@hxi.com>
1686
1687         * config/h8300/h8300-protos.h: Add a prototype for
1688         general_operand_dst_push.
1689         * config/h8300/h8300.c (general_operand_dst_push): New.
1690         * config/h8300/h8300.h (OK_FOR_T): New.
1691         (EXTRA_CONSTRAINT): Use it.
1692         * config/h8300/h8300.md (movqi_push): Remove and integrate into
1693         the existing movqi pattern.
1694         (movhi_push): Likewise.
1695
1696         * reload.c: Fix comment typos.
1697
1698 Mon Jul 23 23:34:07 CEST 2001  Jan Hubicka  <jh@suse.cz>
1699
1700         * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
1701
1702 2001-07-23  H.J. Lu  (hjl@gnu.org)
1703
1704         * doc/extend.texi: Update __builtin_return_address and
1705         __builtin_frame_address.
1706
1707 2001-07-23  Richard Henderson  <rth@redhat.com>
1708
1709         * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
1710         before CSE.
1711         * config/i386/i386.md: New setcc+movzbl peephole2.
1712
1713 2001-07-23  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
1714
1715         * objc/Make-lang.in (objc-act.o): Depend on debug.h.
1716         * objc/objc-act.c: Include debug.h.
1717         (synth_module_prologue): Save and restore debug hooks too.
1718
1719 2001-07-23  lars brinkhoff  <lars@nocrew.org>
1720
1721         * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
1722         and C4X_FLOAT_FORMAT.
1723         (BOOL_TYPE_SIZE): Document.
1724
1725 Mon Jul 23 11:54:23 2001  Clinton Popetz  <cpopetz@cpopetz.com>
1726
1727         * unroll.c (loop_iterations): Fix miscalculation of initial
1728         giv offset.
1729
1730 2001-07-13  Andrew Haley  <aph@redhat.com>
1731
1732         * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
1733         * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
1734         * config/sh/sh.c (sh_can_redirect_branch): New function.
1735         * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
1736         * reorg.c (steal_delay_list_from_target): Use
1737         MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
1738
1739 Mon Jul 23 17:20:18 CEST 2001  Jan Hubicka  <jh@suse.cz>
1740
1741         * flow.c (try_simplify_condjump): Unlink insn chain on
1742         fallthru edge; use can_fallthru.
1743
1744 Mon Jul 23 16:03:19 CEST 2001  Jan Hubicka  <jh@suse.cz>
1745
1746         * basic-block.h (find_sub_basic_block): Declare.
1747         * flow.c (make_edges): New arguments MIN and MAX;
1748         (find_sub_basic_blocks): Revamp to use make_edges
1749         and purge_dead_edges.
1750         (find_basic_blocks): Update call of find_sub_basic_block.
1751
1752         * recog.c (split_all_insns): Always expect CFG to be consistent;
1753         call find_sub_basic_blocks in case something has changed.
1754         * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
1755         has been built.
1756
1757         * basic-block.h (delete_noop_moves): Declare.
1758         * combine.c (combine_instructions): Call it.
1759         (recog_for_combine): Tolerate noop moves
1760         (distribute_notes): Force refresh when register dies at noop move.
1761         * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
1762         too.
1763         (life_analysis): Update delete_noop_moves call.
1764         (set_noop_p): Move too ...
1765         * rtlanal.c (noop_move_p): ... here.
1766         * rtl.h (noop_move_p): Declare.
1767
1768         * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
1769         * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
1770         after combine.
1771         * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
1772         (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
1773
1774 2001-07-23  Hans-Peter Nilsson  <hp@bitrange.com>
1775
1776         * reload.c (push_reload): Fix typo in comment.
1777         (find_reloads_address): Ditto.
1778         (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
1779
1780 2001-07-22  Richard Henderson  <rth@redhat.com>
1781
1782         * flow.c: Grammar check and clarify a lot of comments.
1783         (try_simplify_condjump): Rename variables to be clearer.
1784         (try_forward_edges): Skip complex and fallthru edges.
1785         Rearrange tests to avoid duplicate checks.
1786         (flow_find_cross_jump): Likewise.
1787         (outgoing_edges_match): Allow match if neither branch has
1788         probability data.  Loosen probability match to 5%.
1789         (try_crossjump_to_edge): Hoist repeated indirection into
1790         local variables.
1791         (try_crossjump_bb): Don't check complex edges.  Eliminate
1792         redundant crossjump tests.
1793         (try_optimize_cfg): Fix use of bool.  Reorganize cheaper
1794         checks before more expensive checks.
1795
1796 2001-07-22  Richard Henderson  <rth@redhat.com>
1797
1798         * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
1799         INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
1800         arguments.
1801
1802 2001-07-22  Richard Henderson  <rth@redhat.com>
1803
1804         * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
1805         (const_sint32_operand): Likewise.
1806         * m68k.md (anon mulsi pattern): Use const_int_operand not
1807         const_sint32_operand.
1808         (umulsi3_highpart): Zero extend a constant input.
1809         (smulsi3_highpart): Don't bother checking SImode constant.
1810         (const_umulsi3_highpart): Give op3 DImode.
1811         (const_smulsi3_highpart): Likewise.
1812
1813 2001-07-22  Richard Henderson  <rth@redhat.com>
1814
1815         * flow.c (split_block): Make sure bb_note is included in the
1816         new block when splitting before a label.
1817
1818 Sun Jul 22 23:28:56 CEST 2001  Jan Hubicka  <jh@suse.cz>
1819
1820         * basic-block.h (redirect_edge_and_branch_force,
1821         redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
1822         * flow.c (redirect_edge_and_branch_force,
1823         redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
1824         (redirect_edge_and_branch_force): Fix copying of lifeness information.
1825         (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
1826         * ifcvt.c (dead_or_predictable): Take BB as an new destionation
1827         instead of label; update CFG after transformation.
1828         (find_if_case_1): Update call, use redirect_edge_and_branch_force
1829         for finishing the transformation; handle even case where ELSE
1830         does not follow THEN.
1831         (find_if_case_2): Update call of dead_or_predictable; simplify
1832         CFG update.
1833
1834         * emit-rtl.c (split_branch_probability): New global variable.
1835         (try_split): Take care to set split_branch_probability and
1836         create REG_BR_PROB note for new jump insns.
1837         * md.texi (define_split): Document new feature.
1838
1839         * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
1840
1841 2001-07-22  Neil Booth  <neil@daikokuya.demon.co.uk>
1842
1843         * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
1844         (asm_out_file): Remove redundant declaration.
1845         (assemble_asm): Remove old #if 0 block.
1846         (assemble_variable): Remove end of function; debug output is
1847         now handled with global_decl.  Remove old #if 0 block.  Update.
1848         Remove saved_in_section and associated no-op code.
1849         * Makefile.in (varasm.o): Correct dependencies.
1850
1851 Sun Jul 22 17:55:11 2001  Alexandre Oliva  <aoliva@redhat.com>
1852
1853         * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
1854         the definition in defaults.h.
1855
1856 Sun Jul 22 21:31:04 CEST 2001  Jan Hubicka  <jh@suse.cz>
1857
1858         * jump.c: Update comments.
1859         (delete_barrier_successors, delete_unreferenced_labels,
1860         delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
1861         delete_labelref_insn, redirect_tablejump, jump_optimize_1,
1862         jump_optimize, jump_optimize_minimal): Kill.
1863         (rebuild_jump_labels): Move code from jump_optimize_1.
1864         (purge_line_number_notes): Likewise.
1865         (copy_loop_headers): Likewise.
1866         * reg-stack.c: Update comment.
1867         * stmt.c: Likewise.
1868         * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
1869         JUMP_AFTER_REGSCAN): Kill.
1870         * toplev.c (rest_of_compilation): Use cleanup_cfg, call
1871         purge_line_number_notes and copy_loop_headers.
1872
1873 2001-07-22 Neil Booth  <neil@daikokuya.demon.co.uk>
1874            Richard Henderson  <rth@redhat.com>
1875
1876         * dbxout.c (dbxout_global_decl): New.
1877         (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1878         * sdbout.c (sdbout_finish): New.
1879         (sdbout_debug_hooks): Use it, add comments.
1880         (sdbout_global_decl): Defer initialised public vars to
1881         sdbout_finish.
1882         * varasm.c (assemble_variable): Don't output debug information
1883         for file-scope variables.
1884
1885 2001-07-22  Richard Henderson  <rth@redhat.com>
1886
1887         * config/alpha/alpha.c (get_trap_mode_suffix): New.
1888         (get_round_mode_suffix): New.
1889         (print_operand): Use them for [/].  Remove support for [&'`()+].
1890         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
1891         * config/alpha/alpha.md (attr round_suffix): New.
1892         (attr trap_suffix): New.
1893         (all insns): Set them appropriately.  Use %/ instead of the
1894         myriad punctuators.
1895
1896 2001-07-22  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
1897
1898         * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
1899
1900 2001-07-22  Richard Henderson  <rth@redhat.com>
1901
1902         * regrename.c (regrename_optimize): Compute nregs for each
1903         potential target register.
1904
1905 2001-07-21 Neil Booth  <neil@daikokuya.demon.co.uk>
1906            Richard Henderson  <rth@redhat.com>
1907
1908         * dbxout.c (dbxout_global_decl): New.
1909         (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1910         * sdbout.c (sdbout_finish): New.
1911         (sdbout_debug_hooks): Use it, add comments.
1912         (sdbout_global_decl): Defer initialised public vars to
1913         sdbout_finish.
1914         * varasm.c (assemble_variable): Don't output debug information
1915         for file-scope variables.
1916
1917 2001-07-21  H.J. Lu  (hjl@gnu.org)
1918
1919         * config/mips/mips.c (mips_cpu): Moved into ...
1920         (override_options): Here.
1921
1922         * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
1923         mips_tune.
1924         (mips_cpu): Removed.
1925
1926 2001-07-21  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
1927
1928         * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
1929         ("iorqi3"): Likewise.
1930         ("xorqi3"): Likewise.
1931         ("*addhi3"): Fix constraint to avoid reloading in a soft register.
1932         ("*subhi3_sp): Likewise.
1933         ("*subhi3"): Likewise.
1934         ("extendhisi2"): Accept D, X and Y as source operand to avoid
1935         reload problems.
1936
1937 2001-07-21  Nathan Sidwell  <nathan@codesourcery.com>
1938
1939         * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
1940         * config/freebsd.h: Likewise.
1941         * config/linux.h: Likewise.
1942         * config/openbsd.h: Likewise.
1943         * config/alpha/linux-elf.h: Likewise.
1944         * config/arm/linux-elf.h: Likewise.
1945         * config/d30v/d30v.h: Likewise.
1946         * config/fr30/fr30.h: Likewise.
1947         * config/ia64/aix.h: Likewise.
1948         * config/ia64/ia64.h: Likewise.
1949         * config/mips/linux.h: Likewise.
1950         * config/pj/pj.h: Likewise.
1951         * config/rs6000/linux.h: Likewise.
1952         * config/sparc/linux.h: Likewise.
1953         * config/sparc/linux64.h: Likewise.
1954
1955 2001-07-20  Bruce Korb  <bkorb@gnu.org>
1956
1957         * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
1958         because getc() and char* may disagree on signedness.
1959
1960 2001-07-20  Richard Henderson  <rth@redhat.com>
1961
1962         * doc/rtl.texi (REG_DEAD): Update for current semantics.
1963
1964         * flow.c (try_redirect_by_replacing_jump): Correctly compute which
1965         insns to delete in the presence of cc0 in a jump insn.
1966
1967 Fri Jul 20 22:14:49 CEST 2001  Roman Zippel  <zippel@linux-m68k.org>
1968                                Jan Hubicka  <jh@suse.cz>
1969
1970         * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
1971         of doing the change by hand.
1972
1973 Fri Jul 20 21:59:42 CEST 2001  Jan Hubicka  <jh@suse.cz>
1974
1975         * rtlanal.c (set_noop_p): Return true for noop jumps.
1976
1977         * expr.c (emit_single_push_insn): Add call to push expander.
1978         * expr.h (optab_index): Add OTI_push
1979         (push_optab): New constant.
1980         * genopinit.c (optabs): Add push_optab.
1981         * optabs.c (init_optab): Init push optab.
1982         * md.texi (push??1): Document
1983
1984 2001-07-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
1985
1986         * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
1987         expand to emit the pattern; put a REG_INC note for push/pop
1988         instructions.
1989         ("movdf", "movdf_internal"): Likewise.
1990         ("movsi", "movsi_internal"): Likewise.
1991         ("movsf", "movsf_internal"): Likewise.
1992         ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
1993
1994 2001-07-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
1995
1996         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
1997         gen_highpart.
1998
1999 2001-07-20  Daniel Berlin  <dan@cgsoftware.com>
2000
2001         * params.def: Change default max inline insns to 100.
2002
2003 2001-07-20  Diego Novillo  <dnovillo@redhat.com>
2004
2005         * combine.c (combine_simplify_rtx): Generate a new shift operation
2006         when simplifying the first operand of a (neg (ashift)) expression.
2007
2008 2001-07-20  Roman Lechtchinsky  <rl@cs.tu-berlin.de>
2009
2010         * regclass.c (N_REG_INTS): Use only 32 bits per element.
2011
2012 2001-07-20  Kelley Cook  <kelley.cook@home.com>
2013
2014         * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
2015         information.   Move rest into ...
2016         (*-*-solaris): ... here.  Eliminate redundant information and
2017         reword necessary packages section.  Delete 4.x assembler bug info.
2018         (sparc-sun-*): Merge into ...
2019         (sparc-sun-sunos*): here.
2020
2021 2001-07-20  Catherine Moore  <clm@redhat.com>
2022
2023         * config/v850/v850.md (casesi): Generate LABEL_REF
2024         with Pmode.
2025
2026 Fri Jul 20 14:12:57 CEST 2001  Jan Hubicka  <jh@suse.cz>
2027
2028         * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
2029         * i386.c (ix86_zero_extend_to_Pmode): Make global.
2030         * i386.md (strclrsi expander): Use it.
2031
2032 Fri Jul 20 13:24:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
2033
2034         * integrate.c (copy_insn_list): handle
2035         NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
2036         (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
2037         identically as to CODE_LABEL.
2038
2039         * fold-const (fold): Convert A/B/C to A/(B*C) and
2040         A/(B/C) to (A/B)*C
2041
2042         * except.c (connect_post_landing_pads): Delete the RESX insns.
2043
2044 2001-07-20  Aldy Hernandez  <aldyh@redhat.com>
2045
2046         * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
2047
2048         * config/mips/mips.md (nmadd/nmsub): Use macro.
2049
2050 2001-07-20  Nathan Sidwell  <nathan@codesourcery.com>
2051
2052         * cppinit.c (remove_dup_dir): Make static.
2053         (remove_dup_dirs): Make static. Only warn about preempting a
2054         system directory with a non-system directory.
2055
2056 2001-07-19  Geoffrey Keating  <geoffk@redhat.com>
2057
2058         * ifcvt.c (noce_try_store_flag_constants): Correct order
2059         of parameters to trunc_int_for_mode.
2060
2061 2001-07-19  Mark Mitchell  <mark@codesourcery.com>
2062
2063         * reorg.c (fill_simple_delay_slots): If an instruction might throw
2064         an exception that will be caught within this function, do not fill
2065         its delay slot with any subsequent instruction.
2066
2067 2001-07-19  Steve Ellcey <sje@cup.hp.com>
2068
2069         * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
2070         * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
2071         pointer extension instruction.
2072         * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
2073         * simplify-rtx.c (simplify_unary_operation) Likewise.
2074         * explow.c (convert_memory_address) Check value of
2075         POINTERS_EXTEND_UNSIGNED to avoid some conversions when
2076         less than zero.
2077         * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
2078         MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
2079         * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
2080         Add Multilib Support.
2081         (POINTERS_EXTEND_UNSIGNED)  Define for ILP32 support.
2082         * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
2083         Add Multilib Support.
2084         (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
2085         support.
2086         * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
2087         * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
2088         a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
2089
2090 2001-07-19  Alexandre Oliva  <aoliva@redhat.com>
2091
2092         * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
2093         old and new operands in `<', `3' and `b'.
2094
2095 2001-07-19  Neil Booth  <neil@daikokuya.demon.co.uk>
2096
2097         * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
2098         (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
2099         (toplev.o): Don't depend on xcoffout.h.
2100         * c-decl.c: Include debug.h
2101         (duplicate_decls): Use debug hook.
2102         * dbxout.c (dbxout_source_file, dbxout_args): Make static.
2103         (dbx_debug_hooks, xcoff_debug_hooks): Update.
2104         (dbxout_types): Remove.
2105         * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
2106         * debug.c (do_nothing_debug_hooks): Update.
2107         (debug_true_tree, debug_nothing_rtx): New.
2108         * debug.h (struct rtx_def): New.
2109         (struct gcc_debug_hooks): New hooks ignore_block,
2110         outlining_inline_function and label.
2111         (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
2112         dwarf2out_frame_finish): New.
2113         * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
2114         Make static, update prototype.
2115         (dwarf2_debug_hooks): Update.
2116         * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
2117         dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
2118         * dwarfout.c (dwarf_debug_hooks): Update.
2119         * emit-rtl.c: Include debug.h.
2120         (remove_unnecessary_notes): Use debug hook.
2121         * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
2122         (final_scan_insn): Use debug hook.
2123         * integrate.c (output_inline_function): Use debug hook.
2124         * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
2125         (sdb_debug_hooks): Update.
2126         * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
2127         * toplev.c: Don't include xcoffout.h.
2128         (note_outlining_of_inline_function, debug_ignore_block): Remove.
2129         * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
2130         Remove.
2131         * tree.h (dwarf2out_do_frame): Remove.
2132
2133 2001-07-19  Catherine Moore  <clm@cygnus.com>
2134
2135         * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
2136
2137 2001-07-19  Geoffrey Keating  <geoffk@redhat.com>
2138
2139         * reload1.c (eliminate_regs_in_insn): When updating a set
2140         to the frame pointer to the hardware frame pointer, perform
2141         the update always not just when REPLACE is set.
2142
2143         * reload1.c (choose_reload_regs): Don't inherit a reload
2144         that crosses multiple registers if registers past the first
2145         don't fit in the desired class.
2146
2147         * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
2148         when negating constants.
2149
2150 2001-07-19  Toon Moene  <toon@moene.indiv.nluug.nl>
2151
2152         * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
2153         * doc/tree.texi: Ditto.
2154
2155 2001-07-19  Mark Kettenis  <kettenis@wins.uva.nl>
2156             Jakub Jelinek  <jakub@redhat.com>
2157
2158         * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
2159         (extract_cie_info): Handle "eh" augmentation properly,
2160         remember eh_ptr.
2161         (struct frame_state, __frame_state_for): New.
2162
2163 2001-07-19  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2164
2165         * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
2166         HANDLE_SYSV_PRAGMA): Define.
2167         * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
2168         previous args.
2169         (copy_object): Caller changed.
2170
2171 2001-07-19  Andreas Schwab  <schwab@suse.de>
2172
2173         * configure.in (assembler dwarf2 debug_line support): Define nop
2174         insn for m68k.
2175         * configure: Regenerated.
2176
2177 2001-07-19  Neil Booth  <neil@daikokuya.demon.co.uk>
2178
2179         * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
2180         dwarfout.h.
2181         * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
2182         to conditionally compiled block.
2183         (dbx_debug_hooks, xcoff_debug_hooks): Update.
2184         * dbxout.h (dbxout_function): Remove.
2185         * debug.c (do_nothing_debug_hooks): Update.
2186         * debug.h (struct gcc_debug_hooks): New hooks function_decl,
2187         global_decl, deferred_inline_function.
2188         * dwarf2out.c (dwarf2_debug_hooks): Update.
2189         (dwarf2out_global_decl): New.
2190         * dwarfout.c: Don't include dwarfout.h.
2191         (dwarfout_global_decl, dwarfout_function_decl,
2192         dwarfout_deferred_inline_function): New.
2193         (dwarf_debug_hooks): Update.
2194         * dwarfout.h: Remove.
2195         * final.c: Don't include dwarfout.h.
2196         * sdbout.c (sdbout_global_decl): New.
2197         (sdbout_debug_hooks): Update.
2198         * toplev.c: Don't include dwarfout.h.
2199         (check_global_declarations, rest_of_compilation): Use new debug hooks.
2200         (note_deferral_of_defined_inline_function): Remove.
2201         * toplev.h (note_deferral_of_defined_inline_function): Remove.
2202         * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
2203         * ch/lex.c: Don't include dwarfout.h.
2204         * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
2205         (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
2206         * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
2207         * cp/optimize.c: Include debug.h.
2208         (maybe_clone_body): Use debug hook.
2209         * cp/semantics.c: Include debug.h.
2210         (expand_body): Use debug hook.
2211         * po/POTFILES.in: Remove dwarfout.h.
2212
2213 2001-07-19  Neil Booth  <neil@daikokuya.demon.co.uk>
2214
2215         * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
2216         * c-parse.in (yyerror, _yylex): Similarly.
2217         * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
2218         Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
2219         Update comments.
2220         * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
2221         * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
2222
2223 2001-07-18  Jeff Sturm  <jsturm@one-point.com>
2224
2225         * dwarf2out.c (dwarf2out_abstract_function): Don't emit
2226         in-class declaration at -g1.  Fixes c++/2814.
2227
2228 2001-07-18  Richard Henderson  <rth@redhat.com>
2229
2230         * doc/md.texi (reload_in/out): Document restrictions in predicates
2231         and constraints for these patterns.  Document empty string matching
2232         ALL_REGS.
2233
2234 2001-07-18  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2235
2236         * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
2237
2238 Wed Jul 18 20:47:36 CEST 2001  Jan Hubicka  <jh@suse.cz>
2239
2240         * cse.c: Undo my previous patch.
2241
2242 2001-07-18  Tom Tromey  <tromey@redhat.com>
2243
2244         For PR java/2812:
2245         * configure: Rebuilt.
2246         * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
2247         instead.
2248         * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
2249
2250 Wed Jul 18 18:46:30 CEST 2001  Richard Henderson <rth@cygnus.com>
2251                                Jan Hubicka  <jh@suse.cz>
2252
2253         * flow.c (redirect_edge_and_branch): Bail out on complex edges.
2254         (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
2255         * jump.c (mark_jump_label): Do not forward branches.
2256
2257 Wed Jul 18 18:35:01 CEST 2001  Jan Hubicka  <jh@suse.cz>
2258
2259         * cse.c (delete_trivially_dead_insns): Delete the libcall block
2260         when return value is unused.
2261
2262 Wed Jul 18 18:28:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
2263
2264         * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
2265
2266 Wed Jul 18 12:05:29 2001  Nicola Pero  <n.pero@mi.flashnet.it>
2267
2268         * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
2269         on error.  We can't blindly return the result of
2270         pthread_mutex_trylock because it returns a positive number on
2271         error, while we must return -1 on error.
2272         (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
2273         fixes.
2274         Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
2275
2276 2001-07-18  Andreas Jaeger  <aj@suse.de>
2277
2278         * integrate.c (output_inline_function): Correct type of debug_hooks.
2279
2280 2001-07-18  Toon Moene  <toon@moene.indiv.nluug.nl>
2281
2282         * combine.c (combine_simplify_rtx): DIV can be treated
2283         associatively for floats if unsafe math optimisations are enabled.
2284
2285 2001-07-17  Richard Henderson  <rth@redhat.com>
2286
2287         * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
2288
2289 2001-07-17  Richard Henderson  <rth@redhat.com>
2290
2291         * calls.c (prepare_call_address): New parameter SIBCALLP.  If true,
2292         don't force the function address into a register.
2293         (expand_call, emit_library_call_value_1): Update callers.
2294         * builtins.c (expand_builtin_apply): Likewise.
2295         * expr.h (prepare_call_address): Update decl.
2296
2297 2001-07-17  Chandrakala Chavva  <cchavva@redhat.com>
2298
2299         * config.gcc: For *-*-chorusos triplet, get chorus.h file from
2300         config directory.
2301         * config/i386/chorus.h: Move up.
2302         * config/sparc/chorus.h: Likewise.
2303         * config/rs6000/chorus.h: Likewise.
2304         * config/chorus.h: Moved here.
2305
2306 2001-07-17  Andreas Schwab  <schwab@suse.de>
2307
2308        * configure.in  (assembler eh_frame optimization): Handle big
2309        endian.
2310        * configure: Regenerated.
2311
2312 Tue Jul 17 23:43:31 CEST 2001  Jan Hubicka  <jh@suse.cz>
2313
2314         * expr.c (epxand_expr): Convert divisions into multiplications by
2315         reciprocals if -ffast-math.
2316
2317 2001-07-17  Neil Booth  <neil@daikokuya.demon.co.uk>
2318
2319         * dbxout.c (dbxout_really_begin_function): Rename to
2320         dbxout_begin_function.
2321         (dbx_debug_hooks, xcoff_debug_hooks): Update.
2322         (dbxout_begin_function): Remove.
2323         (dbxout_function): Update.
2324         (dbxout_source_line): Update prototype.
2325         * dbxout.h (dbxout_begin_function): Remove.
2326         * debug.c (do_nothing_debug_hooks): Update.
2327         (debug_nothing_tree): Update.
2328         (debug_nothing_charstar_rtx): Remove.
2329         * debug.h (union tree_node): Declare.
2330         (struct rtx_def): Remove.
2331         (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
2332         begin_function.  Change source_line prototype.
2333         (debug_nothing_tree): New.
2334         (debug_nothing_charstar_rtx): Delete.
2335         (dwarf2out_begin_prologue): Moved from ...
2336         * tree.h: ... here.
2337         * dwarf2out.c (dwarf2_debug_hooks): Update.
2338         (dwarf2out_begin_prologue): Update prototype.  If genuine dwarf2
2339         debug info, call dwarf2out_source_line.
2340         (dwarf2out_souce_line): Update prototype.
2341         * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
2342         Change prototype, make static.
2343         (dwarfout_source_line): Update prototype.
2344         (dwarf_debug_hooks): Update.
2345         * dwarfout.h (dwarfout_begin_function): Remove.
2346         * final.c (final_start_function, final_scan_insn): Use appropriate
2347         debug hooks, update to use notice_source_line.
2348         (output_source_line): Rename notice_source_line.  Don't call the
2349         source_line debug hook.
2350         * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
2351         make static, update prototype.
2352         (sdbout_mark_begin_function): Rename sdbout_begin_function, update
2353         prototype.
2354         (sdbout_end_prologue): New.
2355         (sdbout_source_line): Update prototype.
2356         (sdbout_debug_hooks): Update.
2357         (sdbout_symbol): Remove unused var.
2358         * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
2359         Delete.
2360         * varasm.c: Include debug.h.
2361         (assemble_start_function): Use begin_function debug_hook.
2362         * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2363         update with prototype.
2364         (xcoffout_source_line): Update prototype.
2365         * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2366         update prototype.
2367         (xcoffout_source_line): Update prototype.
2368
2369 2001-07-17  Richard Henderson  <rth@redhat.com>
2370
2371         * c-typeck.c (build_binary_op): Do not shorten unsigned
2372         right shift after sign extension.
2373
2374 Tue Jul 17 16:56:05 CEST 2001  Jan Hubicka  <jh@suse.cz>
2375
2376         * combine.c (combine_simplify_rtx): Attempt to simplify
2377         a*(b/c) as (a*b)/c for floats in unsafe_math mode.
2378
2379         * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
2380         (simplify_binary_operation, simplify_unary_operation,
2381          simplify_relational_operation): Use it.
2382
2383         * combine.c (combine_simplify_rtx): Don't do associative law
2384         on divisions; allow associative law on floats.
2385
2386 2001-07-17  H.J. Lu <hjl@gnu.org>
2387             Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2388
2389         * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
2390         ASM_OUTPUT_WEAK_ALIAS are defined.
2391         * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
2392         * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
2393         Moved ...
2394         * config/mips/iris5.h: ... here.
2395         (HANDLE_SYSV_PRAGMA): Defined as 1.
2396         * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
2397         * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
2398         symbol.
2399
2400 2001-07-17  Joseph S. Myers  <jsm28@cam.ac.uk>
2401
2402         * c-parse.in (all_prefix_attributes): New variable.
2403         (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
2404         (maybe_resetattrs): New production.
2405         (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
2406         maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
2407         notype_initdcl, nested_function, notype_nested_function,
2408         component_decl, components, components_notype,
2409         component_declarator, component_notype_declarator,
2410         absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
2411         ivars, mydecl, myparm): Update.  Avoid prefix attributes just
2412         after a comma being applied to more than one declarator.
2413         * doc/extend.texi (Attribute Syntax): Update.  Remove
2414         documentation of bugs that are no longer present.
2415
2416 2001-07-13  Eric Christopher  <echristo@redhat.com>
2417
2418         * config/mips/mips.h: Change TUNE_MIPS* options to use
2419         mips_tune.
2420         (EXTRA_SPECS): Add cc1_cpu_spec.
2421         * config/mips/mips.md (muldf3): Fix typo.
2422
2423 2001-07-16  Richard Henderson  <rth@redhat.com>
2424
2425         * config/m68k/m68k.c: Include expr.h and reload.h.
2426         (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
2427         [general int]: Use HOST_WIDE_INT_PRINT_DEC.
2428
2429 2001-07-16  Daniel Berlin  <dan@cgsoftware.com>
2430             Richard Henderson  <rth@redhat.com>
2431
2432         * cse.c (set_live_p): Take INSN argument for cc0; update callers.
2433         (insn_live_p): Fix fall off end of function.
2434         (dead_libcall_p): Remove COUNTS argument; update callers.
2435         (delete_trivially_dead_insns): Remove unused variables.
2436
2437 2001-07-17  Andreas Jaeger  <aj@suse.de>
2438
2439         * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
2440         x86-64 pic support.
2441
2442         * lcm.c (optimize_mode_switching): Avoid warning for unused
2443         variable if !NORMAL_MODE.
2444
2445         * flow.c (try_crossjump_to_edge): Remove unused variable.
2446
2447 2001-07-16  John David Anglin  <dave@hiauly1.hia.nrc.ca>
2448
2449         * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
2450         atexit declaration in stdlib.h.
2451
2452 2001-07-16  Richard Begg  <Richard.Begg@colesmyer.com.au>
2453
2454         * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
2455
2456 Mon Jul 16 22:48:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
2457
2458         * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
2459         * except.c (finish_eh_generation): Update call of cleanup_cfg;
2460         do rebuild_jump_labels instead of jump_optimize
2461         * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
2462         * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
2463         * flow.c (try_optimize_cfg): Remove unneeded code_labels.
2464
2465         * flow.c: Include timevar.h
2466         (find_basic_block): Push/pop timevar;
2467         (cleanup_cfg): Likewise.
2468         * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
2469         * Makefile: Add dependencies on timevar.h
2470
2471         * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
2472         (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
2473
2474         * rtl.h (delete_trivially_dead_insns): Add new parameter.
2475         * toplev.c (rest_of_compilation): Update calls.
2476         * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
2477         (delete_trivially_dead_insns): ... here; accept new argument
2478         preserve_basic_blocks; preserve basic blocks if set.
2479
2480         * reg-stack.c (stack_regs_mentioned): Return 0 if
2481         stack_regs_mentioned_data is not initialized.
2482         (reg_to_stack): Make stack_regs_mentioned survive after the
2483         reg-stack is completted; do not call cleanup_cfg.
2484         * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
2485         make cleanup_cfg after bb-reorder to output to debug file.
2486
2487 2001-07-16  Richard Henderson  <rth@redhat.com>
2488
2489         * regclass.c (init_reg_sets): Use only 32 bits per initializer
2490         from int_reg_class_contents.
2491
2492 2001-07-16  Richard Henderson  <rth@redhat.com>
2493
2494         * hard-reg-set.h (regs_invalidated_by_call): Declare.
2495         * regclass.c (regs_invalidated_by_call): Move from cse.c.
2496         (init_reg_sets_1): Move initialization from cse_main.
2497         * cse.c (regs_invalidated_by_call): Move to regclass.c.
2498         (cse_main): Move its initialization also.
2499         * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
2500         * flow.c (propagate_one_insn): Likewise.
2501         * gcse.c (compute_hash_table): Likewise.
2502         (compute_kill_rd, compute_store_table): Likewise.
2503         * sched-deps.c (sched_analyze_1): Likewise.
2504
2505 Mon Jul 16 18:07:07 2001  J"orn Rennecke <amylaar@redhat.com>
2506
2507         * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
2508         gen_rtx_SET.
2509
2510 2001-07-16  Steve Ellcey <sje@cup.hp.com>
2511
2512         * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
2513         in if statement so we don't access undefined memory.
2514
2515 2001-07-16  Daniel Berlin  <dan@cgsoftware.com>
2516
2517         * gcse.c: Update comment at top.
2518         Update comment on mem handling.
2519         mem_last_set, mem_first_set, mem_set_in_block: gone.
2520         Declaration of reg_set_info: gone.
2521         (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
2522         pointless with load_killed_in_block_p (they are *more*
2523         conservative then it, not less, and less accurate).
2524         (oprs_not_set_p): Ditto.
2525         (alloc_gcse_mem): Don't allocate mem_set_in_block
2526         (free_gcse_mem): Don't free it, either.
2527         (record_last_mem_set_info): Update comment in front, remove
2528         mem_*set_* stuff. Note the reason we don't handle stores directly
2529         here.
2530         (compute_hash_table): Update comments to reflect reality. Remove
2531         mem_*set_* references.
2532         (reset_opr_set_tables): Remove mem_*set_* references.
2533         (mark_call): Ditto.
2534         (mark_set): Ditto.  Also remove double sets of bitmaps for REG's.
2535         (mark_clobber): Ditto (on both parts, we double set here too).
2536         (expr_killed_p): Remove mem_set_in_block test.
2537         (compute_transp): Remove mem_set_in_block test.
2538
2539         * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
2540         of edge, and removal of phi alternative to dump file.
2541         (ssa_ccp_substitute_constants): Add note about register now being
2542         constant, and which uses were replaced in what insns to dump file.
2543
2544 2001-07-16  Andreas Jaeger  <aj@suse.de>
2545
2546         * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
2547         variables of type HOST_WIDEST_INT.
2548
2549         * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
2550         (__bb_exit_func): Correct type of count_max to avoid overflow.
2551         (num_digits): Handle long long argument.
2552
2553         * combine.c (gen_lowpart_for_combine): Remove unused variable.
2554
2555 2001-07-16  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
2556
2557         * output.h (sdb_begin_function_line): Restore as an extern
2558         variable.
2559         * sdbout.c (sdb_begin_function_line): Make extern.
2560
2561 2001-07-15  Richard Henderson  <rth@redhat.com>
2562
2563         * machmode.def (Pmode): Redefine if GENERATOR_FILE.
2564         * genrecog.c (maybe_both_true_mode): New.
2565         (maybe_both_true_2): Use it.
2566         (write_switch): Don't put Pmode in a switch.
2567         * rtl.c (mode arrays): Don't explicitly size them.
2568
2569 Sun Jul 15 14:07:36 CEST 2001  Jan Hubicka  <jh@suse.cz>
2570
2571         * toplev.c (rest_of_compilation): Fix register_life_up_to_date
2572         handling; move unconditional splitting before mode switching.
2573
2574         * i386.md (type): Add fistp type.
2575         (i387, length_attr, scheduling definitions): Handle this type.
2576         (fix_trunc?f?i2): Revamp to use mode switching.
2577         (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
2578         * i386.h (fp_cw_mode): New enum
2579         (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
2580         MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
2581
2582 Sun Jul 15 12:53:51 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2583
2584         * Makefile.in (integrate.o): Add debug.h.
2585         * integrate.c (debug.h): Add.
2586         (output_inline_function): Save, reset, and restore debug_hooks.
2587
2588 2001-07-15  Richard Henderson  <rth@redhat.com>
2589
2590         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
2591         instead of COMPARE for the EQUIV expression.
2592
2593 2001-07-15  Richard Henderson  <rth@redhat.com>
2594
2595         * flow.c (redirect_edge_and_branch_force): Initialize
2596         global_live_at_start and global_live_at_end.
2597         (allocate_bb_life_data): Export.
2598         * basic-block.h (allocate_bb_life_data): Declare.
2599         * toplev.c (rest_of_compilation): Call it.
2600
2601 2001-07-15  Richard Henderson  <rth@redhat.com>
2602
2603         * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
2604         (alpha_tablejump_best_label): New.
2605         * config/alpha/alpha-protos.h: Declare them.
2606         * config/alpha/alpha.md: Use braced strings for code blocks.
2607         (tablejump_osf): Break out add with r29.
2608         (tablejump_osf_internal): Remove.
2609         (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
2610         use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
2611
2612 Sun Jul 15 00:53:35 CEST 2001  Jan Hubicka  <jh@suse.cz>
2613
2614         * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
2615         of the movable.
2616
2617         * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
2618
2619         * i386-protos.h (ix86_split_fp_branch): Update prototype.
2620         (ix86_fp_jump_nontrivial_p): New.
2621         * i386.md (fp_jcc_?): Update call of split_fp_branch;
2622         use ix86_fp_jump_nontrivial_p.
2623         * i386.c (ix86_fp_jump_nontrivial_p): New.
2624         (ix86_split_fp_branch): Accept code instead of rtx.
2625         (ix86_expand_compare): Expand comparison early in case
2626         doing so is resonably cheap.
2627
2628 2001-07-15  Nick Clifton  <nickc@cambridge.redhat.com>
2629
2630         * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
2631         not 'machine'.
2632         (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
2633         (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
2634
2635 2001-07-15  Neil Booth  <neil@daikokuya.demon.co.uk>
2636
2637         * dbxout.c (dbxout_source_line): Make static, update prototype.
2638         (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
2639         (dbxout_init, dbxout_finish, dbxout_source_line,
2640         dbxout_begin_block, dbxout_end_block): Update for new prototypes.
2641         * dbxout.h (dbxout_source_line): Delete.
2642         * debug.c (debug_nothing_file, debug_nothing_file_int,
2643         debug_nothing_file_charstar_rtx): New.
2644         (do_nothing_debug_hooks): Update.
2645         (debug_nothing_void, debug_nothing_charstar_rtx,
2646         dwarf2out_end_epilogue): New.
2647         (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2648         * debug.h (struct rtx_def): Declare.
2649         (gcc_debug_hooks): New hooks source_line, end_epilogue
2650         and end_function.
2651         (debug_nothing_void, debug_nothing_charstar_rtx,
2652         dwarf2out_end_epilogue): New.
2653         (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2654         * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
2655         (dwarf2_debug_hooks): Update.
2656         (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
2657         dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
2658         * dwarf2out.h (dwarf2out_source_line): Remove.
2659         * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
2660         Make static, update prototype.
2661         (dwarfout_init, dwarfout_finish, dwarfout_source_line,
2662         dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
2663         (dwarf_debug_hooks): Update.
2664         * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
2665         dwarfout_end_function): Remove.
2666         * final.c (profile_function): Use debug hooks for ending functions
2667         and epilogues.
2668         (output_source_line, final_end_function): Update prototype,
2669         use debug hooks.
2670         (final_start_function, final_scan_insn): Update.
2671         * output.h (sdb_begin_function_line): Remove.
2672         (final_end_function): Update prototype.
2673         * sdbout.c (sdb_begin_function_line): Make static.
2674         (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
2675         (sdbout_source_line): New.
2676         (sdbout_end_epilogue, sdbout_end_function): Make static, update
2677         prototypes.
2678         (sdb_debug_hooks): Update.
2679         (sdbout_init, sdbout_source_line,
2680         sdbout_begin_block, sdbout_end_block): Update for new prototypes.
2681         * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
2682         * toplev.c (compile_file, rest_of_compilation): Update.
2683         * tree.h (dwarf2out_end_epilogue): Move to debug.h.
2684         * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
2685         xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
2686         Update for prototype changes.
2687         * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
2688         xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
2689
2690 2001-07-15  Richard Henderson  <rth@redhat.com>
2691
2692         * config/alpha/alpha.h (TARGET_ABI_OSF): New.
2693         (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
2694         * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
2695         * config/alpha/alpha.c: Likewise.
2696         * config/alpha/alpha.md: Likewise.
2697         * config/alpha/alpha32.h: Likewise.
2698         * config/alpha/vms.h: Likewise.
2699         (OPEN_VMS): Remove.
2700
2701 2001-07-14  Richard Henderson  <rth@redhat.com>
2702
2703         * config/alpha/alpha.md: Use define_constants for unspec values.
2704         Substitute throughout.
2705
2706 2001-07-14  Tim Josling  <tej@melbpc.org.au>
2707
2708         * tree.def (EXPON_EXPR) remove. Never supported anyway.
2709
2710 2001-07-14  John David Anglin  <dave@hiauly1.hia.nrc.ca>
2711
2712         * pa.md: Remove unused constraints from define_split's.
2713
2714 2001-04-14  Richard Henderson  <rth@redhat.com>
2715
2716         * ifcvt.c (find_cond_trap): Test for exit block.
2717
2718 Sun Jul 15 00:50:20 CEST 2001  Jan Hubicka  <jh@suse.cz>
2719
2720         Re-install recently reverted patch.
2721         * emit-rtl.c (try_split): Update mark_jump_label call.
2722         * flow.c (find_sub_basic_blocks): Likewise.
2723         * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2724         jump_back_p): Kill.
2725         (mark_all_labels): Kill second parameter.
2726         (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2727         (rebuild_jump_labels, jump_optimize_minimal): Update call
2728         of jump_optimize_1.
2729         (jump_optimize_1): Kill crossjumping code.
2730         (mark_jump_label): Kill cross_jump parameter.
2731         * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2732         (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2733         * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2734          splitting.
2735         * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2736         DFI_bpro.
2737         (dump_file_info): Likewise.
2738         (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2739         reorganize passes to do reg-stack first, bb-reorder second.
2740         * invoke.texi (-d letters doc): Remove the jump2 pass.
2741
2742 2001-07-14  Richard Henderson  <rth@redhat.com>
2743
2744         * ifcvt.c (find_cond_trap): New.
2745         (find_if_header): Call it.
2746         (merge_if_block): Relax existing jump sanity check.
2747         * jump.c (jump_optimize_1): Remove conditional trap handling.
2748
2749 2001-07-14  Alan Modra  <amodra@bigpond.net.au>
2750
2751         * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
2752         millicode.
2753         (insn_refs_are_delayed): Correct comment.
2754         * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
2755         * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
2756         instead of r31.  Make associated insn !TARGET_64BIT, and
2757         provide an additional 64-bit insn that clobbers r2.
2758         (divsi3): Likewise.
2759         (udivsi3): Likewise.
2760         (modsi3): Likewise.
2761         (umodsi3): Likewise.
2762
2763 Sat Jul 14 02:58:38 CEST 2001  Jan Hubicka  <jh@suse.cz>
2764
2765         * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
2766
2767         * flow.c (redirect_edge_and_branch_force, split_edge,
2768         try_crossjump_to_edge): Use set_block_for_new_insns.
2769         * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
2770
2771 2001-07-13  H.J. Lu  (hjl@gnu.org)
2772
2773         * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
2774         the correct patch.
2775
2776 2001-07-13  Geoffrey Keating  <geoffk@redhat.com>
2777
2778         Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
2779
2780 2001-07-13  Joseph S. Myers  <jsm28@cam.ac.uk>
2781
2782         * c-common.c (decl_attributes): Take a pointer to the node to
2783         which attributes are to be attached, and a flags argument.
2784         * c-common.h (enum attribute_flags): New.
2785         (decl_attributes): Update prototype.
2786         * c-decl.c (start_decl, push_parm_decl, finish_struct,
2787         finish_enum, start_function): Update calls to decl_attributes.
2788         * c-parse.in (component_declarator, component_notype_declarator,
2789         label): Update calls to decl_attributes.
2790
2791 Fri Jul 13 23:04:00 2001  Denis Chertykov  <denisc@overta.ru>
2792
2793         * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
2794         * config/avr/avr.c (legitimate_address_p): Return value changed
2795         from letter to register classes. For better debugging.
2796
2797 2001-07-13  Kazu Hirata  <kazu@hxi.com>
2798
2799         * jump.c (reversed_comparison_code_parts): Fix comment typos.
2800
2801 2001-07-13  H.J. Lu  (hjl@gnu.org)
2802
2803         * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
2804
2805 2001-07-13  Marc Espie  <espie@cvs.openbsd.org>
2806
2807         * config.gcc (*-*-openbsd*):  Add fragment to compile libgcc
2808         correctly for shared configurations.
2809         * config/t-libgcc-pic:  New.
2810         * config/{i386,m68k,sparc}/t-openbsd:  New.
2811         * config/openbsd.h:  Include cpu_spec in cpp_spec where needed.
2812         Support -shared.  Support debugging libraries with -g.
2813         * config/i386/openbsd.h:  Correct ASM_COMMENT_START.  Ensure dwarf2
2814         frame information does not emit pointer diffs.
2815         * config/sparc/openbsd.h:  Ensure dwarf2 frame information does not
2816         emit pointer diffs.
2817
2818 2001-07-13  Geoffrey Keating  <geoffk@redhat.com>
2819
2820         Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
2821
2822 2001-07-13  David Edelsohn  <edelsohn@gnu.org>
2823
2824         * combine.c (try_combine): Ensure const_int pow2 is positive.
2825
2826 2001-07-13  Hartmut Penner  <hpenner@de.ibm.com>
2827
2828         * config.gcc: Add configuration for s/390.
2829         * config/s390/s390.c: New. Subroutines for code generation.
2830         * config/s390/s390.h: New. Definitions for s/390.
2831         * config/s390/s390-protos.h: New. Prototypes.
2832         * config/s390/linux.h: New. Definitions for linux for s/390.
2833         * config/s390/linux64.h: New. Definitions for linux for zSeries.
2834         * config/s390/t-linux: New. Makefile fragment.
2835         * config/s390/s390.md: New. Machine description for s/390 and zSeries.
2836         * config/s390/fixdfdi.h: New. Fix L_fix*di.
2837
2838 Fri Jul 13 14:46:21 CEST 2001  Jan Hubicka  <jh@suse.cz>
2839
2840         * emit-rtl.c (try_split): Update mark_jump_label call.
2841         * flow.c (find_sub_basic_blocks): Likewise.
2842         * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2843         jump_back_p): Kill.
2844         (mark_all_labels): Kill second parameter.
2845         (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2846         (rebuild_jump_labels, jump_optimize_minimal): Update call
2847         of jump_optimize_1.
2848         (jump_optimize_1): Kill crossjumping code.
2849         (mark_jump_label): Kill cross_jump parameter.
2850         * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2851         (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2852         * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2853          splitting.
2854         * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2855         DFI_bpro.
2856         (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2857         reorganize passes to do reg-stack first, bb-reorder second.
2858         * invoke.texi (-d letters doc): Remove the jump2 pass.
2859
2860 2001-07-12  Steve Ellcey <sje@cup.hp.com>
2861
2862         * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
2863
2864 Thu Jul 12 17:57:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
2865
2866         * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
2867         basic blocks.
2868         (verify_flow_info): Make diagnostics prettier.
2869
2870 Thu Jul 12 16:48:54 CEST 2001  Jan Hubicka  <jh@suse.cz>
2871
2872         * flow.c (find_basic_blocks_1): Do not emit NOP after call.
2873
2874         * flow.c (outgoing_edges_match): Return early if condition reversal
2875         failed.
2876
2877 2001-07-06  Richard Sandiford  <rsandifo@redhat.com>
2878
2879         * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
2880         (mips_move_2words): When splitting a move into two instructions,
2881         prefix the second address operand with '%D'.
2882
2883 2001-07-12  Neil Booth  <neil@daikokuya.demon.co.uk>
2884
2885         * Makefile.in (final.o): Depend on debug.h.
2886         * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
2887         (dbx_debug_hooks): Add new hooks.
2888         (xcoff_debug_hooks): New.
2889         * debug.c (debug_nothing_file_int_int): New.
2890         (do_nothing_debug_hooks): Update.
2891         * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
2892         (debug_nothing_file_int_int): New.
2893         * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
2894         static, update prototype.
2895         (dwarf2_debug_hooks): Update.
2896         * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
2897         * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
2898         static, update prototype.
2899         (dwarf_debug_hooks): Update.
2900         * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
2901         * final.c: Include debug.h.
2902         (final_scan_insn): Use debug hooks when beginning and ending blocks.
2903         * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
2904         static, update prototype.
2905         (sdb_debug_hooks): Update.
2906         * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
2907         * toplev.c: Distinguish between xcoff and dbx.
2908
2909         * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
2910         Call all debug hooks, not just dwarf ones.
2911
2912 2001-07-11  Timothy Wall  <twall@redhat.com>
2913
2914         * config.gcc: Add configuration for AIX5/IA64.
2915         * config/ia64/aix.h: New.  AIX5/IA64-specific configuration.
2916         * config/ia64/crt[in].asm: New.  Generic static ctor/dtor
2917         support prefix/suffix code.
2918         * config/ia64/t-aix: New.  Makefile fragment.
2919         * config/ia64/unwind-aix.c: New.  Unwind table entry lookup.
2920
2921 2001-07-11  Kazu Hirata  <kazu@hxi.com>
2922
2923         * recog.c (validate_change): Fix a comment typo.
2924
2925 2001-07-11  Neil Booth  <neil@daikokuya.demon.co.uk>
2926
2927         * Makefile.in (c-lex.o): Wrap long lines.  Depend on debug.h.
2928         * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
2929         hooks directly.
2930         * dbxout.c (dbx_debug_hooks): Add new hooks.
2931         (dbxout_start_new_source_file): Rename dbxout_start_source_file,
2932         make static.
2933         (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
2934         make static.
2935         * dbxout.h (dbxout_start_new_source_file,
2936         dbxout_resume_previous_source_file): Delete.
2937         * debug.c (do_nothing_debug_hooks): Add new hooks.
2938         (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2939         (debug_nothing_int_charstar, debug_nothing_int): New.
2940         * debug.h (gcc_debug_hooks): New hooks define, undef,
2941         start_source_file and end_source_file.
2942         (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2943         (debug_nothing_int_charstar, debug_nothing_int): New.
2944         * dwarf2out.c (dwarf2_debug_hooks): Add new hooks.  Move into
2945         the conditionally compiled section.
2946         (dwarf2out_start_source_file, dwarf2out_end_source_file,
2947         dwarf2out_define, dwarf2out_undef): Make static.
2948         * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
2949         dwarf2out_define, dwarf2out_undef): Remove.
2950         * dwarfout.c (dwarf_debug_hooks): Add new hooks.
2951         (dwarfout_start_source_file, dwarfout_end_source_file,
2952         dwarfout_define, dwarfout_undef): Make static.
2953         (dwarfout_start_source_file_check,
2954         dwarfout_end_source_file_check): New.
2955         (dwarfout_define, dwarfout_finish): Update.
2956         * dwarfout.h (dwarfout_start_new_source_file,
2957         dwarfout_resume_previous_source_file, dwarfout_define,
2958         dwarfout_undef): Remove.
2959         * sdbout.c (sdb_debug_hooks): Add new hooks.
2960         (sdbout_start_new_source_file): Rename sdbout_start_source_file,
2961         make static.
2962         (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
2963         make static, take an arg.
2964         * sdbout.h (sdbout_start_new_source_file,
2965         sdbout_resume_previous_source_file): Delete.
2966         * toplev.c (debug_start_source_file, debug_end_source_file,
2967         debug_define, debug_undef): Delete.
2968         * toplev.h (debug_start_source_file, debug_end_source_file,
2969         debug_define, debug_undef): Delete.
2970
2971         * java/jcf-parse.c: Include debug.h.
2972         (parse_class_file): Update to use debug hooks directly.
2973         * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
2974
2975 Wed Jul 11 10:07:18 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2976
2977         * alias.c (set_mem_alias_set): New function.
2978         * rtl.h (set_mem_alias_set): Declare it.
2979         * builtins.c (expand_builtin_return_addr): Call it instead of
2980         using MEM_ALIAS_SET accessor.
2981         (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
2982         (get_memory_rtx, expand_builtin_va_arg): Likewise.
2983         (expand_builtin_va_copy):Likewise.
2984         * caller-save.c (setup_save_areas): Likewise.
2985         * calls.c (compute_argument_addresses): Likewise.
2986         * explow.c (set_mem_attributes): Likewise.
2987         * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
2988         (expand_assignment, store_constructor_field, store_field): Likewise.
2989         (expand_expr_unaligned): Likewise.
2990         * function.c (assign_stack_temp_for_type): Likewise.
2991         (put_reg_into_stack, gen_mem_addressof): Likewise.
2992         * ifcvt.c (noce_try_cmove_arith): Likewise.
2993         * reload1.c (reload, alter_reg): Likewise.
2994         * config/alpha/alpha.c (get_aligned_mem): Likewise.
2995         (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
2996         (alpha_expand_unaligned_store): Likewise
2997         (alpha_expand_unaligned_load_words): Likewise.
2998         (alpha_expand_unaligned_store_words): Likewise.
2999         (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
3000         (alpha_expand_epilogue): Likewise.
3001         * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
3002         * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
3003         * config/i386/i386.c (legitimize_pic_address): Likewise.
3004         * config/i960/i960.c (setup_incoming_varargs): Likewise.
3005         * config/ia64/ia64.c (spill_restore_mem): Likewise.
3006         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
3007         * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
3008         * config/mips/mips.c (mips_va_arg): Likewise.
3009         * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
3010         * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
3011         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
3012         (setup_incoming_varargs, rs6000_va_arg): Likewise.
3013         (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
3014         (rs6000_emit_epilogue): Likewise.
3015         * config/sh/sh.c (sh_builtin_saveregs): Likewise.
3016         * config/sparc/sparc.c (sparc_va_arg): Likewise.
3017         * config/v850/v850.c (v850_va_arg): Likewise.
3018
3019 Wed Jul 11 21:27:25 CEST 2001  Jan Hubicka  <jh@suse.cz>
3020
3021         * flow.c (merge_blocks_move_successor_nojumps): Do not crash
3022         when fallthru edge is present.
3023         (mege_blocks): Handle case where creation of jump insn
3024         is required.
3025
3026         * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
3027         CLEANUP_POST_REGSTACK): New constants.
3028         * except.c (finish_eh_generation): Update call of cleanup_cfg,
3029         * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
3030         * output.h (cleanup_cfg): Update prototype.
3031         * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
3032         * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
3033         cleanup_cfg call; kill missleading comment.
3034         * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
3035         * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
3036         parameter; control optimizations performed using it.
3037         (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
3038         try_crossjump_bb): New functions.
3039
3040 2001-07-11  John David Anglin  <dave@hiauly1.hia.nrc.ca>
3041
3042         * pa.c (pa_output_function_prologue): Delete prototype.  Make function
3043         extern.
3044         * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
3045         pa_output_function_prologue.
3046         * pa-protos.h (pa_output_function_prologue): New prototype.
3047
3048 2001-07-11  John David Anglin  <dave@hiauly1.hia.nrc.ca>
3049
3050         * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
3051         and low to get correct sign extension in low+high test.
3052
3053 2001-07-11  Janis Johnson <janis@us.ibm.com>
3054
3055         * gcov.c (arcdata): Use gcov_type to fix branch percentage
3056         for large hit count.
3057
3058         * profile.c (branch_prob): Fix .bbg info for computed gotos
3059         and C++ EH code.
3060
3061 2001-07-11  Mark Mitchell  <mark@codesourcery.com>
3062
3063         * stmt.c (parse_output_constraint): New function, split out
3064         from ...
3065         (expand_asm_operands): ... here.  Use parse_output_constraint.
3066         * tree.h (parse_output_constraint): Declare it.
3067
3068 2001-07-11  Richard Henderson  <rth@redhat.com>
3069
3070         * bitmap.c: Comment some functions; fiddle whitespace.
3071         (bitmap_free): Don't export.
3072         (bitmap_element_allocate): Use memset.
3073         * bitmap.h (bitmap_free): Don't declare.
3074
3075 2001-07-11  Daniel Berlin  <dan@cgsoftware.com>
3076
3077         * gcse.c, lcm.c, sched-deps.c:
3078         s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
3079
3080         * flow.c (flow_loops_find): Free dom if we found no loops, since
3081         we aren't going to save it.
3082
3083         * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
3084         done.
3085
3086 Wed Jul 11 09:00:48 2001  Jeffrey A Law  (law@cygnus.com)
3087
3088         * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
3089
3090 Wed Jul 11 10:07:18 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3091
3092         * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
3093         #ifndef DWARF2_DEBUGGING_INFO.
3094
3095 2001-07-11  Richard Sandiford  <rsandifo@redhat.com>
3096
3097         * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
3098
3099 2001-07-11  Richard Sandiford  <rsandifo@redhat.com>
3100
3101         * config/mips/mips.c (gen_int_relational): Tell the caller not to
3102         reverse a branch if a NE comparison is implemented with GTU.
3103
3104 2001-07-11  Richard Sandiford  <rsandifo@redhat.com>
3105             H.J. Lu  <hjl@gnu.org>
3106
3107         * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
3108         constant addresses.
3109         (call_internal2): Likewise.
3110         (call_value_internal1): Likewise.
3111         (call_value_internal2): Likewise.
3112         (call_value_multiple_internal1): Likewise.
3113         (call_value_multiple_internal2): Likewise.
3114
3115 2001-07-10  Kazu Hirata  <kazu@hxi.com>
3116
3117         * calls.c (emit_library_call_value_1): Fix a comment typo.
3118         * dwarf2out.c (mem_loc_descriptor): Likewise.
3119         * config/i386/i386.c (ix86_expand_aligntest): Likewise.
3120
3121 2001-07-11  David Billinghurst <David.Billinghurst@riotinto.com>
3122
3123         * simplify-rtx.c (simplify_subreg): Fix typo in comment
3124
3125 Tue Jul 10 07:27:53 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3126
3127         * recog.c (offsettable_address_p): Handle LO_SUM case.
3128         * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
3129         instead of plus_constant.
3130
3131 2001-07-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3132
3133         * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
3134         fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
3135
3136 Tue Jul 10 07:27:53 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3137
3138         * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
3139         adjust_address_nv instead of plus_constant.
3140
3141 2001-07-10  Neil Booth  <neil@daikokuya.demon.co.uk>
3142
3143         * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
3144         dwarf2out.o): Depend on debug.h, wrap long lines.
3145         * dbxout.c: Include debug.h.
3146         (dbx_debug_hooks): New.
3147         (dbxout_init): Make static, take just 2 args.
3148         (dbxout_finish): Make static.
3149         * dbxout.h (dbxout_init, dbxout_finish): Delete.
3150         * debug.c: New file.
3151         * debug.h: New file.
3152         * dwarf2out.c: Include debug.h.
3153         (dwarf2_debug_hooks): New.
3154         (dwarf2out_init): Make static.
3155         (dwarf2out_finish): Make static, take 2 args.
3156         * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
3157         * dwarfout.c: Include debug.h.
3158         (dwarf_debug_hooks): New.
3159         (dwarfout_init): Make static.
3160         (dwarfout_finish): Make static, take 2 args.
3161         * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
3162         * sdbout.c: Include debug.h.
3163         (sdb_debug_hooks): New.
3164         (sdbout_init): Make static, take 2 args.
3165         * sdbout.h (sdbout_init): Delete.
3166         * toplev.c: Include debug.h.
3167         (debug_hooks): New.
3168         (compile_file): Set deubg_hooks based on command line options.
3169         Use the hooks unconditionally rather than conditional compilation.
3170
3171 Tue Jul 10 09:04:45 2001  Jeffrey A Law  (law@cygnus.com)
3172
3173         * ssa-ccp.c (first_phi_node): Remove.  Replace uses with calls to
3174         first_insn_after_basic_block_note instead.
3175
3176         * df.c (df_bb_refs_unlink): #if 0 out for now.
3177
3178 2001-07-10  David Billinghurst <David.Billinghurst@riotinto.com
3179
3180         * ssa.h: Add prototype for ssa_const_prop
3181         * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
3182         (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
3183         (ssa_fast_dce): Remove unused variable
3184
3185 2001-07-10  Gabriel Dos Reis  <gdr@merlin.codesourcery.com>
3186
3187         * diagnostic.c (finish_diagnostic): Rename to
3188         diagnostic_finish. Make it take an 'output_buffer *'.  Adjust
3189         calls thourghout.
3190
3191 2001-07-10  Jason Merrill  <jason_merrill@redhat.com>
3192
3193         * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
3194         .loc support.
3195
3196         * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
3197         (dump_file): Only pad the demangled name with spaces if the
3198         mangled name was padded with spaces.
3199
3200 2001-07-10  Bernd Schmidt  <bernds@redhat.com>
3201
3202         * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
3203         edge detection.
3204
3205 Tue Jul 10 07:27:53 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3206
3207         * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
3208         extraction if no direct load if either EXPAND_CONST_ADDRESS or
3209         EXPAND_INITIALIZER.
3210
3211         * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
3212         whether can put offset inside LO_SUM to check mode alignment, not size.
3213
3214 2001-07-10  Gabriel Dos Reis  <gdr@merlin.codesourcery.com>
3215
3216         * doc/tm.texi (Misc): Fix thinko.
3217
3218 2001-07-10  Jan van Male  <jan.vanmale@fenk.wau.nl>
3219
3220         * regmove.c (replace_in_call_usage): Fix warnings.
3221         * sched-deps.c (add_dependence): Fix warnings.
3222         * simplify-rtx.c (simplify_subreg): Likewise.
3223         Return NULL_RTX instead of NULL.
3224
3225         * reg-stack.c (emit_swap_insn): Eliminate warnings.
3226         (subst_asm_stack_regs): Likewise.
3227
3228         * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
3229         warnings.
3230
3231         * dwarf2out.c (output_call_frame_info): Declare i as int.
3232         (build_abbrev_table): Declare n_alloc as int.
3233         (dwarf2out_finish): Initialize die.
3234         * except.c: Declare sjlj_funcdef_number as unsigned.
3235         (connect_post_landing_pads): Declare j as unsigned.
3236         (convert_to_eh_region_ranges): Initialize call_site.
3237         (output_function_exception_table): Initialize tt_format_size.
3238         * expr.c (move_by_pieces_1): Initialize to1.
3239         (store_constructor): Initialize minelt and maxelt.
3240         * flow.c (mark_regs_live_at_end): Declare i as unsigned.
3241         * function.c (instantiate_decls): Avoid signed/unsigned warning.
3242
3243         * c-decl.c (combine_parm_decls): Unused, remove.
3244         * c-tree.h: Remove prototype for combine_parm_decls.
3245
3246         * reload.c (push_reload): Fix warning.
3247         (regno_clobbered_p): Likewise.
3248         * reload1.c (replace_pseudos_in_call_usage): Likewise.
3249         (reload_combine): Likewise.
3250
3251         * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
3252         * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
3253         warnings.
3254         * bitmap.c (bitmap_operation): Change user.
3255         * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
3256
3257 2001-07-10  Eric Christopher  <echristo@redhat.com>
3258
3259         * config/mips/mips.c (override_options): Fix typo.
3260
3261 2001-07-09  Stan Shebs  <shebs@apple.com>
3262
3263         * target.h (struct gcc_target): New fields init_builtins and
3264         expand_builtin.
3265         * target-def.h (TARGET_INIT_BUILTINS): New macro.
3266         (TARGET_EXPAND_BUILTIN): New macro.
3267         (TARGET_INITIALIZER): Add them.
3268         * builtins.c: Include target.h.
3269         (expand_builtin): Use targetm.expand_builtin.
3270         (default_init_builtins): New function.
3271         (default_expand_builtin): New function.
3272         * expr.h (default_init_builtins): Declare.
3273         (default_expand_builtin): Declare.
3274         * c-common.c (c_common_nodes_and_builtins): Use
3275         targetm.init_builtins.
3276         * defaults.h (MD_INIT_BUILTINS): Remove.
3277         * Makefile.in (builtins.o): Depend on target.h.
3278
3279         * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
3280         (TARGET_EXPAND_BUILTIN): Define.
3281         * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
3282         (MD_EXPAND_BUILTIN): Remove.
3283
3284         * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
3285         (TARGET_EXPAND_BUILTIN): Define.
3286         (c4x_init_builtins): Make endlink arg a local.
3287         (c4x_print_operand): Fix typos in adjust_address usages.
3288         * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
3289         * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
3290         (MD_EXPAND_BUILTIN): Remove.
3291
3292         * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
3293         (TARGET_EXPAND_BUILTIN): Define.
3294         (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
3295         (ix86_init_builtins): Call new function only if TARGET_MMX.
3296         * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
3297         * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
3298         (MD_EXPAND_BUILTIN): Remove.
3299
3300         * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
3301         (TARGET_EXPAND_BUILTIN): Define.
3302         * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
3303         (MD_EXPAND_BUILTIN): Remove.
3304
3305         * doc/tm.texi: Document these changes.
3306
3307 2001-07-09  Diego Novillo  <dnovillo@redhat.com>
3308
3309         * basic-block.h (tree_node): Forward declare if needed.
3310         (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
3311         (BLOCK_HEAD_TREE): Define.
3312         (BLOCK_END_TREE): Define.
3313         (struct loops): Rename field 'tree' to 'tree_root'.
3314         * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
3315         'end_tree'.
3316         (flow_loops_tree_build): Rename reference to field 'tree' to
3317         'tree_root'.
3318         (flow_loops_level_compute): Ditto.
3319         * predict.c (estimate_bb_frequencies): Ditto.
3320         * tree.h (struct tree_common): Add field 'aux'.
3321
3322 2001-07-09  Stan Shebs  <shebs@apple.com>
3323
3324         * config/darwin.c (darwin_encode_section_info): Don't mark any
3325         DECL_EXTERNAL node as defined.
3326
3327 2001-07-09  John David Anglin  <dave@hiauly1.hia.nrc.ca>
3328
3329         * pa.c (pa_init_machine_status, pa_mark_machine_status,
3330         pa_free_machine_status, hppa_init_pic_save): Delete.
3331         (hppa_pic_save_rtx): New.  Use get_hard_reg_initial_val.
3332         (hppa_profile_hook): Use hppa_pic_save_rtx.
3333         * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
3334         hppa_init_pic_save): Delete.
3335         (hppa_pic_save_rtx): Declare.
3336         * pa.md (call, call_value, sibcall, sibcall_value,
3337         builtin_setjmp_receiver): Use hppa_pic_save_rtx.
3338
3339 2001-07-09  Kazu Hirata  <kazu@hxi.com>
3340
3341         * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
3342         * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
3343
3344 2001-07-09  Andreas Jaeger  <aj@suse.de>
3345
3346         * output.h: Add declaration of final_forward_branch_p.
3347
3348         * config/i386/i386.c (output_fix_trunc): Remove unused variable.
3349
3350         * varray.c: Include errors.h for internal_error and trim_filename
3351         declarations.
3352
3353         * Makefile.in (varray.o): Add errors.h.
3354
3355 2001-07-09  Toon Moene  <toon@moene.indiv.nluug.nl>
3356
3357         * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
3358         * optabs.c (have_add2_insn): Check whether the add insn chosen
3359         really accepts the operands.  (have_sub2_insn): Ditto for sub insn.
3360         * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
3361
3362 Mon Jul  9 13:26:40 2001  Jeffrey A Law  (law@cygnus.com)
3363
3364         * Makefile.in (OBJS): Add ssa-ccp.o
3365         (ssa-ccp.o): Add dependencies.
3366         * toplev.c (DFI_ssa_ccp): New dump file enum.
3367         (dump_file): Add entry for dumping after SSA CCP.
3368         (flag_ssa_ccp): New flag variable.
3369         (f_options): Add -fssa-ccp.
3370         (rest_of_compilation): Run SSA CCP if requested.
3371         * timevar.def (TV_SSA_CCP): New timevar.
3372         * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
3373         * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
3374         Fix minor typo in SSA DCE documentation.
3375         * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
3376         Add documentation for new dump option.  Renumber dump files
3377         appropriately.
3378
3379 Mon Jul  9 21:36:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
3380
3381         * emit-rtl.c (gen_highpart_mode): New.
3382         * rtl.h (gen_highpart_mode): Declare.
3383         * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
3384         operand can be VOIDmode constant.
3385
3386 Mon Jul  9 17:23:10 CEST 2001  Jan Hubicka  <jh@suse.cz>
3387
3388         * flow.c (redirect_edge_and_branch_force): New.
3389         (can_fallthru): Ensure that basic blocks are succeeding.
3390         (try_optimize_cfg): Do not delete basic block if it is the last one.
3391
3392         * flow.c (try_redirect_by_replacing_jump): Do not remove
3393         jumps with side effects, unlink chain on fallthru edge;
3394         set block for new jump instruction; avoid basic block to
3395         over by line number note.
3396
3397         * flow.c (try_simplify_condjump): Verify that the condjump
3398         is not always falling trought.
3399
3400         Re-install patch:
3401         * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3402
3403         * flow.c (forwarder_block_p): Fix for fallthru blocks.
3404         (try_redirect_by_replacing_jump): Update properly the count
3405         and frequency information.
3406
3407 Mon Jul  9 06:41:07 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3408
3409         * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
3410         address that is a LO_SUM specially.
3411         * explow.c (plus_constant_wide, case LO_SUM): Deleted.
3412
3413         * c-lang.c (start_cdtor): Remove extra parameter from start_function.
3414
3415         * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
3416         (operand_subword): Use them.
3417         (change_address_1): Renamed from change_address; new arg VALIDATE.
3418         * expr.h: Reflect above changes; change_address now macro.
3419         * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
3420         making MEM.
3421         * cselib.c (add_mem_for_addr): Likewise.
3422         * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3423         * regmove.c (try_apply_stack_adjustment): Likewise.
3424         * reload.c (push_reload, make_memloc): Likewise.
3425         * reload1.c (eliminate_regs): Likewise.
3426         * simplify-rtx.c (simplify_replace_rtx): Likewise.
3427         * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
3428         adjust_addess.
3429         * combine.c (make_extraction, simplify_shift_const): Likewise.
3430         (gen_lowpart_for_combine): Likewise.
3431         * cse.c (gen_lowpart_if_possible): Likewise.
3432         * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3433         * expr.c (expand_expr, case COMPONENT_REF): Likewise.
3434         * optabs.c (gen_move_insn): Likewise.
3435         * reload1.c (alter_reg): Likewise.
3436         * simplify-rtx.c (simplify_subreg): Likewise.
3437         * stmt.c (expand_anon_union_decl): Likewise.
3438         * recog.c (validate_replace_rtx_1): Likewise.
3439         (expr.h): Include.
3440         * Makefile.in (recog.o): Add $(EXPR_H).
3441         * explow.c (stabilize): Call replace_equiv_address.
3442         * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
3443         * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
3444
3445 2001-07-03  Andrew Haley  <aph@redhat.com>
3446
3447         * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
3448         the mode of the memory location.
3449
3450 2001-07-09  Bo Thorsen  <bo@suse.co.uk>
3451
3452         * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
3453
3454 2001-07-09  Neil Booth  <neil@daikokuya.demon.co.uk>
3455
3456         * final.c (output_addr_const): Use target opening and
3457         closing parentheses.
3458         * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
3459         defaults, add to TARGET_ASM_OUT.
3460         * target.h (struct gcc_target): Add open_paren and close_paren.
3461         * doc/md.texi: Update.
3462         * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
3463         TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
3464         TARGET_ASM_CLOSE_PAREN.
3465         * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3466         Override.
3467         * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3468         Override.
3469         * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
3470         * config/a29k/a29k.h: Similarly.
3471         * config/alpha/alpha.h: Similarly.
3472         * config/arc/arc.h: Similarly.
3473         * config/arm/aof.h: Similarly.
3474         * config/arm/aout.h: Similarly.
3475         * config/avr/avr.h: Similarly.
3476         * config/c4x/c4x.h: Similarly.
3477         * config/clipper/clipper.h: Similarly.
3478         * config/convex/convex.h: Similarly.
3479         * config/d30v/d30v.h: Similarly.
3480         * config/dsp16xx/dsp16xx.h: Similarly.
3481         * config/elxsi/elxsi.h: Similarly.
3482         * config/fr30/fr30.h: Similarly.
3483         * config/h8300/h8300.h: Similarly.
3484         * config/i370/i370.h: Similarly.
3485         * config/i386/i386.h: Similarly.
3486         * config/i860/i860.h: Similarly.
3487         * config/i960/i960.h: Similarly.
3488         * config/ia64/ia64.h: Similarly.
3489         * config/m32r/m32r.h: Similarly.
3490         * config/m68hc11/m68hc11.h: Similarly.
3491         * config/m68k/m68k.h: Similarly.
3492         * config/m88k/m88k.h: Similarly.
3493         * config/mcore/mcore.h: Similarly.
3494         * config/mips/mips.h: Similarly.
3495         * config/mn10200/mn10200.h: Similarly.
3496         * config/mn10300/mn10300.h: Similarly.
3497         * config/ns32k/ns32k.h: Similarly.
3498         * config/pa/pa.h: Similarly.
3499         * config/pdp11/pdp11.h: Similarly.
3500         * config/pj/pj.h: Similarly.
3501         * config/romp/romp.h: Similarly.
3502         * config/rs6000/rs6000.h: Similarly.
3503         * config/sh/sh.h: Similarly.
3504         * config/sparc/sparc.h: Similarly.
3505         * config/v850/v850.h: Similarly.
3506         * config/vax/vax.h: Similarly.
3507         * config/we32k/we32k.h: Similarly.
3508
3509 2001-07-09  Joseph S. Myers  <jsm28@cam.ac.uk>
3510
3511         * doc/c-tree.texi: Document representation of attributes.
3512
3513 2001-07-08  Joseph S. Myers  <jsm28@cam.ac.uk>
3514
3515         * doc/tm.texi: Update some places for the rename of target to
3516         targetm.  Fix typo.
3517
3518 2001-07-08  Joseph S. Myers  <jsm28@cam.ac.uk>
3519
3520         * target.h (struct gcc_target): Add insert_attributes.
3521         * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
3522         (TARGET_INITIALIZER): Update.
3523         * tree.c, tree.h (default_insert_attributes): New function.
3524         Update comments on other default functions to refer to targetm,
3525         not target.
3526         * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
3527         TARGET_INSERT_ATTRIBUTES.
3528         (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
3529         * c-common.c (decl_attributes): Use targetm.insert_attributes.
3530         Don't use PRAGMA_INSERT_ATTRIBUTES.
3531         * Makefile.in (c-common.o): Depend on $(TARGET_H).
3532         * c-decl.c (start_decl, start_function): Don't call
3533         SET_DEFAULT_DECL_ATTRIBUTES.
3534         * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3535         * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
3536         declare.
3537         * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
3538         (c4x_check_attribute): Avoid modifying attribute list itself.
3539         (c4x_set_default_attributes): Rename to c4x_insert_attributes.
3540         Make static.
3541         * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
3542         * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
3543         declare.
3544         * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
3545         (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
3546         Make static.
3547         * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3548         * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
3549         declare.
3550         * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
3551         (v850_set_default_decl_attr): Rename to v850_insert_attributes.
3552         Adjust parameters.  Make static.
3553
3554 2001-07-08  Joseph S. Myers  <jsm28@cam.ac.uk>
3555
3556         * c-common.c (decl_attributes): Only take a single attributes
3557         parameter.
3558         * c-common.h (decl_attributes): Update prototype.
3559         * c-decl.c (start_decl, start_function): Only take a single
3560         attributes parameter.  Update calls to decl_attributes.
3561         (finish_struct, finish_enum): Update calls to decl_attributes.
3562         (push_parm_decl): Expect unified list of attributes.  Update call
3563         to decl_attributes.
3564         * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
3565         notype_nested_function, component_declarator,
3566         component_notype_declarator, label): Update calls to
3567         decl_attributes.
3568         (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
3569         lists that are passed to push_parm_decl.
3570         * c-tree.h (start_function, start_decl): Update prototypes.
3571         * config/sh/sh-protos.h, config/sh/sh.c
3572         (sh_pragma_insert_attributes): Only take a single attributes
3573         parameter.
3574         * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
3575         * doc/tm.texi (INSERT_ATTRIBUTES): Update.
3576         * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
3577         build_module_descriptor, generate_static_references,
3578         generate_strings, build_selector_translation_table,
3579         generate_descriptor_table, generate_protocols,
3580         generate_ivars_list, generate_dispatch_table,
3581         generate_protocol_list, generate_category,
3582         generate_shared_structures, really_start_method, add_objc_decls,
3583         generate_classref_translation_entry): Update calls to start_decl
3584         and start_function.
3585         (build_tmp_function_decl, start_method_def): Unify attribute lists
3586         that are passed to push_parm_decl.
3587
3588 2001-07-08  Neil Booth  <neil@daikokuya.demon.co.uk>
3589
3590         * final.c (no_asm_to_stream): New.
3591         (final_scan_insn): Use target structures for prologue ends
3592         and epilogue starts.
3593         * output.h (no_asm_to_stream): New.
3594         * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
3595         TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
3596         (TARGET_ASM_OUT): Update.
3597         * target.h (struct gcc_target): New members function_end_prologue
3598         and function_begin_epilogue.
3599         * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
3600         * config/alpha/alpha-protos.h (output_end_prologue): Delete.
3601         * config/alpha/alpha.c (output_end_prologue): Rename to
3602         alpha_output_function_end_prologue.  Use in target struct
3603         and make static.
3604         * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
3605         * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
3606         * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
3607         ia64_output_function_end_prologue.  Use in target struct
3608         and make static.
3609         (ia64_function_prologue, ia64_funciton_epilogue): Rename
3610         mistyped prototypes.
3611         * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
3612         * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
3613         Delete.
3614         * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
3615         an use in target struct, make static.
3616         * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
3617         Delete.
3618
3619 2001-07-08  Richard Henderson  <rth@redhat.com>
3620
3621         * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
3622
3623 2001-07-08  Richard Henderson  <rth@redhat.com>
3624
3625         * config/i386/i386.md: Remove constraints strings from define_split
3626         and define_peephole2 patterns.
3627         (eh_return_si, eh_return_di): Split eh_return_1 for modes.
3628         (eh_return): Use them.
3629
3630 2001-07-08  Richard Henderson  <rth@redhat.com>
3631
3632         * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
3633         Document MD_FALLBACK_FRAME_STATE_FOR.
3634
3635 2001-07-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3636
3637         * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
3638         Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
3639         elimination.
3640         * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
3641
3642 2001-07-07  Nick Clifton  <nickc@cambridge.redhat.com>
3643
3644         * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
3645         of the label inside NAME as opposed to just the end of NAME.
3646
3647 2001-07-07  Neil Booth  <neil@daikokuya.demon.co.uk>
3648
3649         * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
3650         * config/alpha/alpha.c (alpha_init_machine_status,
3651         alpha_mark_machine_status, alpha_free_machine_status): Delete.
3652         (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
3653         (vms_valid_decl_attribute_p): Make static, conditionally compile.
3654         * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
3655
3656 2001-07-06  Stan Shebs  <shebs@apple.com>
3657
3658         * target.h (targetm): Rename global from "target", so as not to
3659         conflict with local variables.
3660         * c-decl.c: Ditto.
3661         * c-typeck.c: Ditto.
3662         * final.c: Ditto.
3663         * tree.c: Ditto.
3664         * cp/decl.c: Ditto.
3665         * cp/decl2.c: Ditto.
3666         * cp/typeck.c: Ditto.
3667         * 1750a/1750a.c: Ditto.
3668         * a29k/a29k.c: Ditto.
3669         * arc/arc.c: Ditto.
3670         * arm/arm.c: Ditto.
3671         * avr/avr.c: Ditto.
3672         * clipper/clipper.c: Ditto.
3673         * convex/convex.c: Ditto.
3674         * d30v/d30v.c: Ditto.
3675         * dsp16xx/dsp16xx.c: Ditto.
3676         * elxsi/elxsi.c: Ditto.
3677         * fr30/fr30.c: Ditto.
3678         * h8300/h8300.c: Ditto.
3679         * i370/i370.c: Ditto.
3680         * i386/i386.c: Ditto.
3681         * i860/i860.c: Ditto.
3682         * i960/i960.c: Ditto.
3683         * ia64/ia64.c: Ditto.
3684         * m32r/m32r.c: Ditto.
3685         * m68hc11/m68hc11.c: Ditto.
3686         * m68k/m68k.c: Ditto.
3687         * m88k/m88k.c: Ditto.
3688         * mips/mips.c: Ditto.
3689         * ns32k/ns32k.c: Ditto.
3690         * pa/pa.c: Ditto.
3691         * pdp11/pdp11.c: Ditto.
3692         * romp/romp.c: Ditto.
3693         * rs6000/rs6000.c: Ditto.
3694         * sh/sh.c: Ditto.
3695         * sparc/sparc.c: Ditto.
3696         * vax/vax.c: Ditto.
3697         * we32k/we32k.c: Ditto.
3698         * doc/tm.texi: Update the manual to match.
3699
3700 2001-07-06  Richard Henderson  <rth@redhat.com>
3701
3702         * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
3703         DWARF2_UNWIND_INFO not just whether it is defined.
3704
3705 2001-07-06  Diego Novillo  <dnovillo@redhat.com>
3706
3707         * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
3708         call to simplify_binary_operation returns a new pattern.
3709
3710 2001-07-06  Roman Lechtchinsky  <rl@cs.tu-berlin.de>
3711
3712         * glimits.h (__SHRT_MAX__): New.
3713         (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
3714         (SHRT_MAX): Define in terms of __SHRT_MAX__.
3715
3716 2001-07-06  Jan van Male  <jan.vanmale@fenk.wau.nl>
3717
3718         * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
3719         avoid warnings.
3720
3721 2001-07-06  Richard Henderson  <rth@redhat.com>
3722
3723         * bitmap.c (bitmap_release_memory): Move adjacent to the
3724         allocation functions.
3725         (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
3726         the implementation.  Binary search for the set bit.
3727         (bitmap_union_of_diff): Allocate the temporary on the stack
3728         instead of using xmalloc.
3729
3730 2001-07-06  Richard Henderson  <rth@redhat.com>
3731
3732         * genrecog.c (validate_pattern): Warn for constraints in
3733         define_{expand,split,peephole2}.  Remove strict_low_part
3734         before looking up match_dup.
3735
3736 2001-07-06  DJ Delorie  <dj@redhat.com>
3737
3738         * doc/gcc.texi (Makefile): Rename to be a more general purpose
3739         chapter about various build hints and history.  Add section
3740         talking about the various types of native and cross builds.
3741
3742 2001-07-06  Neil Booth  <neil@daikokuya.demon.co.uk>
3743
3744         * Makefile.in (final.o): Depend on target.h.
3745         * final.c: Include target.h.
3746         (default_function_pro_epilogue): New.
3747         (final_start_function): Use target structure for function prologues.
3748         (final_end_function): Use target structure for function epilogues.
3749         * fold-const.c (real_hex_to_f): Constify s and p.
3750         * output.h (default_function_pro_epilogue): New.
3751         * real.h (real_hex_to_f): Update prototype.
3752         * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
3753         TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
3754         (TARGET_INITIALIZER): Update.
3755         * target.h (gcc_target): Add struct asm_out.
3756         * doc/tm.texi: Update.
3757
3758 config:
3759         Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
3760         TARGET_ASM_FUNCTION_EPILOGUE.  Move macro code to functions
3761         in cpu/cpu.c, or rename old functions consistently.  Take
3762         a HOST_WIDE INT not an int as the SIZE parameter.  Remove now
3763         redundant macros and prototypes.  Make new functions static.
3764
3765         * 1750a/1750a.c: Similarly.
3766         * 1750a/1750a.h: Similarly.
3767         * a29k/a29k-protos.h: Similarly.
3768         * a29k/a29k.c: Similarly.
3769         * a29k/a29k.h: Similarly.
3770         * arc/arc-protos.h: Similarly.
3771         * arc/arc.c: Similarly.
3772         * arc/arc.h: Similarly.
3773         * arm/arm-protos.h: Similarly.
3774         * arm/arm.c: Similarly.
3775         * arm/arm.h: Similarly.
3776         * avr/avr-protos.h: Similarly.
3777         * avr/avr.c: Similarly.
3778         * avr/avr.h: Similarly.
3779         * clipper/clipper-protos.h: Similarly.
3780         * clipper/clipper.c: Similarly.
3781         * clipper/clipper.h: Similarly.
3782         * convex/convex.c: Similarly.
3783         * convex/convex.h: Similarly.
3784         * d30v/d30v-protos.h: Similarly.
3785         * d30v/d30v.c: Similarly.
3786         * d30v/d30v.h: Similarly.
3787         * d30v/d30v.md: Similarly.
3788         * dsp16xx/dsp16xx-protos.h: Similarly.
3789         * dsp16xx/dsp16xx.c: Similarly.
3790         * dsp16xx/dsp16xx.h: Similarly.
3791         * elxsi/elxsi.c: Similarly.
3792         * elxsi/elxsi.h: Similarly.
3793         * fr30/fr30.c: Similarly.
3794         * fr30/fr30.md: Similarly.
3795         * h8300/h8300-protos.h: Similarly.
3796         * h8300/h8300.c: Similarly.
3797         * h8300/h8300.h: Similarly.
3798         * i370/i370-protos.h: Similarly.
3799         * i370/i370.c: Similarly.
3800         * i370/i370.h: Similarly.
3801         * i386/i386.c: Similarly.
3802         * i386/osf1elf.h: Similarly.
3803         * i386/osfrose.h: Similarly.
3804         * i860/i860-protos.h: Similarly.
3805         * i860/i860.c: Similarly.
3806         * i860/i860.h: Similarly.
3807         * i960/i960-protos.h: Similarly.
3808         * i960/i960.c: Similarly.
3809         * i960/i960.h: Similarly.
3810         * ia64/ia64-protos.h: Similarly.
3811         * ia64/ia64.c: Similarly.
3812         * ia64/ia64.h: Similarly.
3813         * m32r/m32r-protos.h: Similarly.
3814         * m32r/m32r.c: Similarly.
3815         * m32r/m32r.h: Similarly.
3816         * m68hc11/m68hc11-protos.h: Similarly.
3817         * m68hc11/m68hc11.c: Similarly.
3818         * m68hc11/m68hc11.h: Similarly.
3819         * m68k/crds.h: Similarly.
3820         * m68k/dpx2.h: Similarly.
3821         * m68k/m68k-protos.h: Similarly.
3822         * m68k/m68k.c: Similarly.
3823         * m68k/m68k.h: Similarly.
3824         * m68k/news.h: Similarly.
3825         * m88k/m88k-protos.h: Similarly.
3826         * m88k/m88k.c: Similarly.
3827         * m88k/m88k.h: Similarly.
3828         * mips/mips-protos.h: Similarly.
3829         * mips/mips.c: Similarly.
3830         * mips/mips.h: Similarly.
3831         * ns32k/merlin.h: Similarly.
3832         * ns32k/ns32k.c: Similarly.
3833         * ns32k/ns32k.h: Similarly.
3834         * ns32k/tek6000.h: Similarly.
3835         * pa/pa-protos.h: Similarly.
3836         * pa/pa.c: Similarly.
3837         * pa/pa.h: Similarly.
3838         * pdp11/2bsd.h: Similarly.
3839         * pdp11/pdp11-protos.h: Similarly.
3840         * pdp11/pdp11.c: Similarly.
3841         * pdp11/pdp11.h: Similarly.
3842         * romp/romp-protos.h: Similarly.
3843         * romp/romp.c: Similarly.
3844         * romp/romp.h: Similarly.
3845         * rs6000/rs6000-protos.h: Similarly.
3846         * rs6000/rs6000.c: Similarly.
3847         * rs6000/rs6000.h: Similarly.
3848         * rs6000/sysv4.h: Similarly.
3849         * sh/sh-protos.h: Similarly.
3850         * sh/sh.c: Similarly.
3851         * sh/sh.h: Similarly.
3852         * sparc/sparc-protos.h: Similarly.
3853         * sparc/sparc.c: Similarly.
3854         * sparc/sparc.h: Similarly.
3855         * vax/vax.c: Similarly.
3856         * vax/vax.h: Similarly.
3857         * vax/vms.h: Similarly.
3858         * we32k/we32k.c: Similarly.
3859         * we32k/we32k.h: Similarly.
3860
3861 Fri Jul  6 11:47:59 2001  Jeffrey A Law  (law@cygnus.com)
3862
3863         * basic-block.h (first_insn_after_basic_block_note): Declare.
3864         * flow.c (first_insn_after_basic_block_note): Define.  Moved
3865         from...
3866         * ssa.c (first_insn_after_basic_block_note): Remove.
3867         * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
3868         necessary.
3869         (ssa_eliminate_dead_code): Properly update the CFG and PHI
3870         nodes when we find a dead conditional branch.  Insert BARRIERs
3871         after any blocks with no successors, but which do not have
3872         any BARRIERs.
3873
3874 2001-07-06  Zack Weinberg  <zackw@stanford.edu>
3875
3876         * varray.c (varray_check_failed): Use internal_error.
3877
3878 2001-07-05  Andrew Haley  <aph@redhat.com>
3879
3880         * Makefile.in (LIB2_DIVMOD_FUNCS): New.
3881         (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
3882         * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
3883
3884 2001-07-02  Jason Merrill  <jason_merrill@redhat.com>
3885
3886         * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
3887         reference if the target constant is also a SYMBOL_REF.
3888
3889 2001-07-05  Eric Christopher  <echristo@redhat.com>
3890
3891         * config/mips/mips.h (MASK_MIPS3900): Remove.
3892         (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
3893         MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
3894         (TARGET_MIPS3900): Change to use mips_arch.
3895         (TARGET_MIPS4000): New.
3896         (TARGET_MIPS4100): New.
3897         (TARGET_MIPS4300): New.
3898         (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
3899         (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
3900         for -mipsX.
3901         (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
3902         (ISA_HAS_BRANCHLIKELY): To here.
3903         (CC1_CPU_SPEC):  New.
3904         (CC1_SPEC): Use here.  Remove 4650 and 3900 options.
3905         (mips_arch_string): Declare.
3906         (mips_arch): Declare.
3907         (TARGET_OPTIONS): Add -march and -mtune.
3908
3909         * config/mips/mips.c (mips_arch_string): New.
3910         (mips_arch): New.
3911         (override_options): Handle -march for codegen and -mtune
3912         for scheduling. Use mips_arch. Move tx39 target default here.
3913         (mips_parse_cpu): Move error message to override_options.
3914
3915         * config/mips/r3900.h (TARGET_DEFAULT): Remove.
3916
3917         * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
3918
3919         * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
3920         (MIPS Options): Ditto.  Change mcpu entry to historical text.
3921
3922 2001-07-05  H.J. Lu  (hjl@gnu.org)
3923
3924         * config/mips/mips.c (mips_parse_cpu): New function to parse
3925         -march=*/-mcpu=*.
3926
3927 2001-07-05  Jim Wilson  <wilson@redhat.com>
3928
3929         * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
3930         * config/ia64/t-ia64: Likewise.
3931         (LIB1ASMFUNCS): Update comment.
3932
3933 2001-07-05  David Edelsohn  <edelsohn@gnu.org>
3934
3935         * doc/install.texi (Install GCC: Binaries): Fix typo.
3936
3937 2001-07-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3938
3939         * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
3940         reference using the stack pointer, adjust it since we push Y
3941         temporarily.
3942         ("*ashrsi3"): Likewise.
3943         ("*lshrsi3"): Likewise.
3944
3945 2001-07-05  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3946
3947         * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
3948         when -fomit-frame-pointer is used.
3949
3950 2001-07-05  Jeffrey Oldham  <oldham@codesourcery.com>
3951
3952         * flow.c: Reverse Jan Hubicka's patch of 02July2001.
3953         (try_redirect_by_replacing_jump): Reverse updating properly the
3954         count and frequency information.  Reverse removing cc0 setter.
3955         (forwarder_block_p): Reverse fixing for fallthru blocks.
3956
3957 2001-07-05  DJ Delorie  <dj@redhat.com>
3958
3959         * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
3960         (translate_options): If the above is defined, use it to map
3961         given options to new options.
3962         * doc/tm.texi: Document it.
3963
3964 2001-07-05  Brad Lucier <lucier@math.purdue.edu>
3965             Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
3966
3967         * doc/invoke.texi (Optimize Options): Document that -fgcse may
3968         cause programs using computed gotos to run more slowly.
3969
3970 2001-07-05  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3971
3972         * doc/install.texi (Specific): Markup, spelling and typo fixes.
3973         Fixed sorting.
3974         Consistently require binutils 2.11.2, not prereleases.
3975         (Specific, decstation-*): Canonicalize as mips-dec-*.
3976         (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
3977         always necessary.
3978         (Specific, m68k-altos): Removed reference to README.altos, deleted.
3979         (Specific, mips-*): Reword MIPS C compiler requirements.
3980         (Specific, powerpc*-*-*): New, mention --with-cpu once.
3981         (Specific, sunv5): Removed, obsolete.
3982
3983 2001-07-05  Nathan Sidwell  <nathan@codesourcery.com>
3984
3985         * dwarf2out.c (output_loc_list): Use an all ones mask for
3986         .text asm output and don't rely on long long
3987         literals. Reformat some long lines.
3988
3989 2001-07-05  Andreas Jaeger  <aj@suse.de>
3990
3991         * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
3992         section.
3993
3994 2001-07-04  Daniel Berlin  <dan@cgsoftware.com>
3995
3996         * dwarf2out.c (dwarf2out_define): Update comment.
3997         (dwarf2out_undef): Ditto.
3998         (dwarf2out_start_source_file): Ditto.
3999         (dwarf2out_end_source_file): Ditto.
4000         (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
4001         since we never call the start/end debug hook for the primary file.
4002
4003 2001-07-04  Kazu Hirata  <kazu@hxi.com>
4004
4005         * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
4006         from shll.
4007
4008 2001-07-04  Nathan Sidwell  <nathan@codesourcery.com>
4009
4010         * cppinit.c (remove_dup_dirs): Inform if a system include
4011         directory is being reordered.
4012         * doc/invoke.texi (Directory Options): GCC warns if you hide a
4013         system include.
4014         * doc/cpp.texi (Search Paths): Likewise.
4015         * doc/gcc.texi (Interoperation): Remove information about
4016         -I/usr/include.
4017
4018 2001-07-04  Nathan Sidwell  <nathan@codesourcery.com>
4019
4020         * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
4021         (VARRAY_TOP_CHAR_PTR): Likewise.
4022
4023 2001-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4024
4025         * gcc.c (process_command): Don't assign elements of a const char*.
4026
4027 Wed Jul  4 13:40:02 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4028
4029         * emit-rtl.c (change_address): Don't abort if invalid address while
4030         reload is in progress.
4031
4032 2001-07-04  Daniel Berlin  <dan@cgsoftware.com>
4033
4034         * c-lex.c (cb_file_change): Pass line number to
4035         debug_start_source_file.
4036         (cb_undefine): Pass correct line number to debug_undef.
4037
4038         * toplev.c (debug_start_source_file): Add line number to
4039         parameters. Pass it along to dwarf2out_start_source_file.
4040         (decode_g_option): Stop resetting debug level back to normal when
4041         we change debug formats, unless the current level is
4042         none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
4043         3).
4044
4045         * toplev.h (debug_start_source_file): Add line number to
4046         parameters.
4047
4048         * dwarf2out.h (dwarf2out_start_source_file): Add line number to
4049         parameters.
4050
4051         * dwarf2out.c (dwarf2out_start_source_file): Add line number to
4052         parameters.
4053         Output debug_macinfo data for starting file if requested.
4054         (dwarf2out_end_source_file): Output debug_macinfo data for ending
4055         file if requested.
4056         (dwarf2out_define): Output debug_macinfo data for defining a macro
4057         if requested.
4058         (dwarf2out_undef): Output debug_macinfo data for undefining a
4059         macro if requested.
4060         (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
4061         (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
4062         (macinfo_section_label): New. DWARF2 macro info section label.
4063         (dwarf2out_init): If we want macro info, output the start label
4064         for the section.
4065         (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
4066         attribute to the compilation unit die pointing to the macro info.
4067
4068 2001-07-04  Daniel Berlin  <dan@cgsoftware.com>
4069
4070         * dwarf2out.c (new_loc_list): Move to inside #ifdef
4071         DWARF2_DEBUGGING_INFO.
4072         (add_loc_descr_to_loc_list): Ditto.
4073         (output_loc_list): Ditto.
4074         Also, fix thinko in curr not being initialized.
4075         (gen_internal_sym): Ditto.
4076
4077 Wed Jul  4 13:40:02 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4078
4079         * emit-rtl.c (replace_equiv_address): New function.
4080         * expr.h (replace_equiv_address): New declaration.
4081         * explow.c (validize_mem): Call it instead of change_address and
4082         also call if -fforce-addr and address is constant.
4083         * expr.c: Replace more calls to change_address with adjust_address
4084         and/or replace_equiv_address or to validize_mem.
4085         * function.c, regmove.c, config/alpha/alpha.c: Likewise.
4086         * config/arm/arm.md, config/clipper/clipper.md: Likewise.
4087         * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4088         * config/i370/i370.md, config/i860/i860.md: Likewise.
4089         * config/i960/i960.md, config/mips/mips.c: Likewise.
4090         * config/mips/mips.md, config/pa/pa.md: Likewise.
4091         * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
4092         * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
4093
4094 2001-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4095
4096         * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
4097
4098         * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
4099         function.
4100
4101 2001-07-04  Joseph S. Myers  <jsm28@cam.ac.uk>
4102
4103         * doc/include: New directory.
4104         * doc/fdl.texi: Move to doc/include/fdl.texi.
4105         * doc/texinfo.tex: Move to doc/include/texinfo.tex.
4106         * doc/include/funding.texi, doc/include/gpl.texi: New files.
4107         * doc/gcc.texi: Use funding.texi and gpl.texi.
4108         * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
4109         $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
4110         Update dependencies and use -I $(docdir)/include.
4111
4112 2001-07-04  Anthony Green  <green@redhat.com>
4113
4114         * config/v850/t-v850 (v850-c.o): Add missing dependencies.
4115
4116 2001-07-04  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
4117
4118         * doc/install.texi (sparc64-*-*): Remove garbage.
4119
4120 Wed Jul  4 09:07:44 2001  Jan van Male  <jan.vanmale@fenk.wau.nl>
4121
4122         * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
4123         Fix typo in last change to use adjust_address.
4124
4125 2001-07-04  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
4126
4127         * doc/install.texi (Specific): Update information for *-*-solaris*.
4128
4129 Tue Jul  3 22:33:15 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4130
4131         * explow.c (plus_constant_wide): Reinitialize Y for restart.
4132
4133 2001-07-03  Stan Shebs  <shebs@apple.com>
4134
4135         * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
4136         case for flag_no_mach_text_sections.
4137         (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
4138         * config/darwin.c (flag_no_mach_text_sections): Remove.
4139         * config/darwin-protos.h (darwin_init_pragma): Remove decl.
4140
4141 Tue Jul  3 15:35:52 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4142
4143         * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
4144         and avoid checking for constant as first operand.
4145         * recog.c (find_constant_term_loc): No longer static.
4146         (adj_offettable_operand): Delete.
4147         * rtl.h (adj_offsettable_operand): Delete declaration.
4148         (find_constant_term): Add declaration.
4149         * caller-save.c: Replace calls to adj_offsettable_operand with calls
4150         to adjust_address.
4151         * config/arm/arm.c, config/c4x/c4x.c: Likewise.
4152         * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
4153         * config/i386/i386.c, config/i386/i386.md: Likewise.
4154         * config/i860/i860.c, config/i960/i960.c: Likewise.
4155         * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
4156         * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
4157         * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
4158         * config/mips/mips.c, config/mips/mips.md: Likewise.
4159         * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
4160         * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
4161         * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
4162         * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
4163         * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
4164         * config/ns32k/ns32k.md: Likewise.
4165
4166 2001-07-03  Zack Weinberg  <zackw@stanford.edu>
4167
4168         * rtl.c (copy_rtx): Handle 'T' format letter.
4169         * gensupport.c (collect_insn_data): Likewise.
4170         * print-rtl.c (print_rtx): Print 'T' slots like 's'.
4171
4172 2001-07-03  Nick Clifton  <nickc@cambridge.redhat.com>
4173
4174         * doc/invoke.texi (Directory Options): Specifiy range for <N> in
4175         -B option.  Use 'dir' not 'foo' as example directory name.
4176
4177 2001-07-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4178
4179         * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4180         Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
4181
4182 2001-07-03  Joseph S. Myers  <jsm28@cam.ac.uk>
4183
4184         * doc/cppinternals.texi: Improve formatting and logical markup.
4185
4186 2001-07-03  Andreas Jaeger  <aj@suse.de>
4187
4188         * Makefile.in (insn-recog.o): Add dependency on reload.h.
4189
4190         * genrecog.c (write_header): Include reload.h for prototypes in
4191         insn-recog.c.
4192
4193 2001-07-03  Neil Booth  <neil@daikokuya.demon.co.uk>
4194
4195 config:
4196         * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
4197         VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
4198         * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
4199         i386_pe_valid_type_attribute_p): Add.
4200         * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
4201         * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
4202
4203 Mon Jul  2 21:52:19 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4204
4205         * explow.c (plus_constant_wide, case LO_SUM): New case.
4206         (plus_constant_for_output_wide): Delete.
4207         * rtl.h (plus_constant_for_output): Delete.
4208         * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
4209         instead of plus_constant_for_output.
4210         * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
4211         * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
4212         * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
4213         * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
4214         * config/sparc/sparc.md: Likewise.
4215         Convert some change_address calls to adjust_address.
4216
4217 2001-07-03  Joseph S. Myers  <jsm28@cam.ac.uk>
4218
4219         * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
4220         doc/rtl.texi, doc/tm.texi: Improve formatting.  Improve
4221         documentation of -std and -Wwrite-strings.
4222
4223 2001-07-02  Geoffrey Keating  <geoffk@redhat.com>
4224
4225         * cse.c (canon_hash): Don't register registers in very small
4226         register classes, as extending their lifetime might cause
4227         reload to fail.
4228
4229 Mon Jul  2 23:14:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
4230
4231         * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
4232
4233         * flow.c (forwarder_block_p): Fix for fallthru blocks.
4234         (try_redirect_by_replacing_jump): Update properly the count
4235         and frequency information.
4236
4237 Mon Jul  2 14:20:13 2001  Jeffrey A Law  (law@cygnus.com)
4238
4239         * toplev.c (dump_file_index): Move SSA dumps just after first
4240         jump dump.
4241         (dump_file): Corresponding changes.
4242         (rest_of_compilation): Move SSA path to just after the first
4243         jump pass.
4244         * doc/gcc.texi (Passes): Update due to movement of SSA path.
4245         * doc/invoke.texi: Update dump file #s as they were completely
4246         out of date with reality.
4247
4248 2001-07-02  Geoffrey Keating  <geoffk@redhat.com>
4249
4250         * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
4251
4252         * expr.c (emit_move_insn_1): Deal with non-default
4253         STACK_PUSH_CODE.
4254
4255         * expr.c (emit_single_push_insn): Fix warning.
4256
4257 2001-07-02  Toshiyasu Morita  <toshiyasu.morita@hsa.hitachi.com>
4258
4259         * expr.c (emit_move_insn_1): Avoid modifying
4260         cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
4261
4262 Mon Jul  2 15:33:31 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4263
4264         * emit-rtl.c (adjust_address): New function.
4265         * expr.h (adjust_address): Add declaration.
4266         * builtins.c: Replace some calls to change_address with calls to it
4267         or to validize_mem.
4268         * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
4269         * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
4270         * config/arm/arm.c, config/convex/convex.c: Likewise.
4271         * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4272         * config/i386/i386.c, config/i386/i386.md: Likewise.
4273         * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
4274         * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
4275         * config/m88k/m88k.c, config/mips/mips.md: Likewise.
4276         * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
4277         * config/sh/sh.c, config/sparc/sparc.md: Likewise.
4278
4279 2001-07-02  Jim Wilson  <wilson@redhat.com>
4280
4281         * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
4282
4283 2001-07-02  Steve Ellcey  <sje@cup.hp.com>
4284
4285         * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
4286         * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
4287
4288 2001-07-02  Zack Weinberg  <zackw@stanford.edu>
4289
4290         * cppinit.c (lang_defaults): New table.
4291         (set_lang): Just read from lang_defaults into the live options
4292         structure.
4293
4294 2001-07-02  Zack Weinberg  <zackw@stanford.edu>
4295
4296         * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
4297         * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
4298         * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
4299
4300 2001-07-02  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4301
4302         * doc/install.texi: Various spelling and markup fixes.
4303         (Installing GCC): Component specific installation instructions are
4304         gone.
4305         Fix reference.
4306         Warn about removing old install dir in the presence of shared libs.
4307         (Configuration): Invoke with options target to match configure
4308         --help.
4309         Consistently refer to gas, gld pathnames.
4310         Invert --enable-multilib documentation.
4311         Remove references to old compiler versions.
4312
4313 Mon Jul  2 12:50:51 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4314
4315         * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
4316
4317 2001-07-02  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4318
4319         * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
4320         section.
4321         (Specific, mips*-sgi-irix5): Note IDO download.
4322         Reworded MIPS C hints.
4323         Use GNU as instead of GAS.
4324         Markup fixes.
4325         Removed SGI Freeware reference, IRIX 6 only.
4326         (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
4327         Note N64 library requirement/workaround.
4328         Update O32 hints.
4329         Complete list of structure passing bug victims.
4330
4331 2001-07-02  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
4332
4333         * doc/install.texi: Remove CVS Id.
4334
4335 2001-07-02  Andreas Jaeger  <aj@suse.de>
4336
4337         * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
4338         (find_inherently_necessary): Remove unused variable.
4339
4340 2001-07-02  Nathan Sidwell  <nathan@codesourcery.com>
4341
4342         * c-common.h (TDI_inlined): New ast dump phase.
4343         (dump_flag_name): New function.
4344         * c-dump.c (dump_files): Add inlined phase.
4345         (dump_flag_name): Define.
4346         * doc/invoke.texi (-fdump-ast-inlined): Document.
4347
4348 Mon Jul  2 06:29:36 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4349
4350         * stor-layout.c (layout_decl): Revert change to handling of alignment
4351         in packed types.
4352
4353 Sun Jul  1 11:53:52 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4354
4355         * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
4356         for FIELD_DECL.
4357
4358 2001-07-01  Geoffrey Keating  <geoffk@redhat.com>
4359
4360         * doc/tm.texi (FUNCTION_ARG): Document that the last call
4361         is special.
4362
4363 2001-07-01  Nathan Sidwell  <nathan@codesourcery.com>
4364
4365         * tlink.c (recompile_files): Remove COMPILER_PATH and
4366         LIBRARY_PATH from the environment.
4367
4368 2001-07-01  Zack Weinberg  <zackw@stanford.edu>
4369
4370         * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
4371         RID_LAST_PQ.  Move RID_FIRST_PQ down with the other FIRST/LAST
4372         enumerators.
4373         (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
4374
4375         * c-parse.in (OBJC_STRING): Kill.
4376         (objc_string): Decompose to [objc_string] '@' STRING.
4377         (reswords): Take the leading '@' off all the Objective C keywords.
4378         (objc_rid_sans_at): Kill.
4379         (init_reswords): Don't initialize it.
4380         (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
4381         (_yylex): Kill reconsider label.  Look ahead one token after
4382         an '@'; if we get an identifier, check whether it's an
4383         Objective C @-keyword.  If so, return the keyword.  Otherwise,
4384         put back the token and return the '@' as a terminal.
4385
4386         * cpplib.c (lex_macro_node): Remove unnecessary check for
4387         leading '@' on identifier.  Clarify control flow and commentary.
4388
4389 Sun Jul  1 11:53:52 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4390
4391         * cse.c (new_label_ref): Variable deleted.
4392         (insert): Remove set of new_label_ref.
4393         (check_for_label_ref): New function.
4394         (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
4395
4396 See ChangeLog.5 for earlier changes.