gcc/ChangeLog

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