gcc/ChangeLog

   1 2001-08-09  Richard Henderson  <rth@redhat.com>
   2
   3         * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
   4         (USE_COLLECT2): Remove duplicate definition.
   5         * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
   6         (use_collect2): Remove dead code.
   7         * configure.in (use_collect2): Remove will_use_collect2 and
   8         maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
   9         * configure: Rebuild.
  10
  11         * target.h (targetm.asm_out.constructor): New.
  12         (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
  13         * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
  14         (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
  15         * varasm.c (in_ctors, in_dtors): New.
  16         (assemble_constructor, assemble_destructor): Remove.
  17         (default_stabs_asm_out_destructor): New.
  18         (default_named_section_asm_out_destructor): New.
  19         (dtors_section, default_dtor_section_asm_out_destructor): New.
  20         (default_stabs_asm_out_constructor): New.
  21         (default_named_section_asm_out_constructor): New.
  22         (ctors_section, default_ctor_section_asm_out_constructor): New.
  23         * output.h: Update declarations.
  24         * c-decl.c (c_expand_body): Use target hooks instead of
  25         assemble_constructor and assemble_destructor.
  26         * profile.c (output_func_start_profiler): Likewise.
  27         * objc/objc-act.c (finish_objc): Likewise.
  28         (build_module_descriptor): Tidy.  Set TREE_PUBLIC properly
  29         for the constructor.
  30         * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
  31
  32         * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
  33         (DTORS_SECTION_ASM_OP): Likewise.
  34         (__CTOR_LIST__): Use attribute section when possible.
  35         (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
  36
  37         * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
  38         ASM_OUTPUT_CONSTRUCTOR.
  39
  40         * config/darwin.c (machopic_asm_out_constructor): New.
  41         (machopic_asm_out_destructor): New.
  42         * config/darwin-protos.h: Update declarations.
  43         * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
  44         (ASM_OUTPUT_DESTRUCTOR): Remove.
  45         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
  46         * config/nextstep.c (nextstep_asm_out_constructor): New.
  47         (nextstep_asm_out_destructor): New.
  48         * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
  49         (ASM_OUTPUT_DESTRUCTOR): Remove.
  50         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
  51         * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
  52         ASM_OUTPUT_*STRUCTOR.
  53         * config/i386/aix386ng.h: Likewise.
  54
  55         * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
  56         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
  57         (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
  58         (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
  59         * config/lynx.h: Likewise.
  60         * config/netware.h: Likewise.
  61         * config/psos.h: Likewise.
  62         * config/alpha/alpha-interix.h: Likewise.
  63         * config/alpha/elf.h: Likewise.
  64         * config/arc/arc.h: Likewise.
  65         * config/arm/aof.h: Likewise.
  66         * config/arm/coff.h: Likewise.
  67         * config/arm/elf.h: Likewise.
  68         * config/c4x/c4x.h: Likewise.
  69         * config/h8300/h8300.h: Likewise.
  70         * config/i386/cygwin.h: Likewise.
  71         * config/i386/djgpp.h: Likewise.
  72         * config/i386/i386-coff.h: Likewise.
  73         * config/i386/i386-interix.h: Likewise.
  74         * config/i386/sco5.h: Likewise.
  75         * config/i386/vsta.h: Likewise.
  76         * config/i386/win32.h: Likewise.
  77         * config/i960/i960-coff.h: Likewise.
  78         * config/ia64/sysv4.h: Likewise.
  79         * config/m68hc11/m68hc11.h: Likewise.
  80         * config/m68k/coff.h: Likewise.
  81         * config/m68k/mot3300.h: Likewise.
  82         * config/m88k/m88k.h: Likewise.
  83         * config/mcore/mcore-pe.h: Likewise.
  84         * config/mcore/mcore.h: Likewise.
  85         * config/mips/elf.h: Likewise.
  86         * config/mips/elf64.h: Likewise.
  87         * config/mips/iris6.h: Likewise.
  88         * config/pa/pa64-hpux.h: Likewise.
  89         * config/rs6000/sysv4.h: Likewise.
  90         * config/sh/sh.h: Likewise.
  91         * config/sparc/litecoff.h: Likewise.
  92
  93         * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
  94         (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
  95         (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
  96         * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
  97         (ASM_OUTPUT_DESTRUCTOR): Remove.
  98         * config/a29k/a29k.c: Move include of tree.h.
  99         * config/a29k/udi.h: Delete file.
 100         * config/alpha/alpha.c (vms_asm_out_constructor): New.
 101         (vms_asm_out_destructor): New.
 102         * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
 103         (EXTRA_SECTION_FUNCTIONS): Likewise.
 104         (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
 105         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
 106         * config/c4x/c4x.c: Move include of tree.h.
 107         * config/clipper/clipper.c (clix_asm_out_constructor): New.
 108         (clix_asm_out_destructor): New.
 109         * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
 110         (ASM_OUTPUT_DESTRUCTOR): Remove.
 111         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
 112         * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
 113         (TARGET_ASM_CONSTRUCTOR): New.
 114         * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
 115         (sco_asm_out_constructor): New.
 116         * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
 117         * config/i386/svr3gas.h: Remove stack grows up code.
 118         Remove code duplicated from i386/sysv3.h.
 119         (TARGET_ASM_CONSTRUCTOR): New.
 120         (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
 121         (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
 122         * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
 123         (TARGET_ASM_CONSTRUCTOR): New.
 124         * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
 125         (m68hc11_asm_out_destructor): New.
 126         * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
 127         (TARGET_ASM_DESTRUCTOR): New.
 128         * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
 129         * config/m68k/dpx2.h: Properly undef all the bits inherited from
 130         config/svr3.h pertaining to section manipulation.
 131         * config/m68k/dpx2g.h: Remove #if 0 code.
 132         * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
 133         * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
 134         (ASM_OUTPUT_CONSTRUCTOR): Remove.
 135         (TARGET_ASM_CONSTRUCTOR): New.
 136         * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
 137         (m88k_svr3_asm_out_constructor): New.
 138         (m88k_svr3_asm_out_destructor): New.
 139         * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
 140         (ASM_OUTPUT_DESTRUCTOR): Remove.
 141         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
 142         * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
 143         * config/rs6000/aix.h: Likewise.
 144         * config/mips/rtems64.h: Don't undef removed constructor related bits.
 145         * config/mips/vxworks.h: Likewise.
 146         * config/rs6000/lynx.h: Likewise.
 147         * config/sh/elf.h: Likewise.
 148         * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
 149         (DTORS_SECTION_ASM_OP): New.
 150         * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
 151         (ASM_OUTPUT_DESTRUCTOR): Remove.
 152         * config/sparc/sol2-sld-64.h: Likewise.
 153         * config/vax/vax.c (vms_asm_out_constructor): New.
 154         (vms_asm_out_destructor): New.
 155         * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
 156         (ASM_OUTPUT_DESTRUCTOR): Remove.
 157         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
 158
 159         * doc/tm.texi (@node Initialization): Update.
 160
 161 2001-08-09  Richard Henderson  <rth@redhat.com>
 162
 163         * config/alpha/crtbegin.asm (__JCR_LIST__): New.
 164         (__do_global_dtors_aux): Use gp-relative static data to avoid
 165         one dynamic relocation.
 166         (__do_frame_setup): Register Java classes.
 167         * config/alpha/crtend.asm (__JCR_END__): New.
 168
 169 2001-08-09  Zack Weinberg  <zackw@stanford.edu>
 170
 171         * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
 172         (CONFIG_H, TCONFIG_H, TM_P_H): Update.
 173         (GEN, STAGESTUFF): Add new files.
 174         (insn-constants.h, s-constants, tm-preds.h, s-preds,
 175         genconstants, genpreds, genconstants.o, genpreds.o): New rules.
 176         (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
 177         * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
 178         as well as insn-codes.h and insn-flags.h in config.h; and no
 179         extra headers in tconfig.h and hconfig.h.
 180
 181         * gencodes.c: Eliminate code to generate predicate declarations
 182         or #defines for md-file constants.
 183         * genconstants.c, genpreds.c: New files.
 184
 185         * i386.md: Re-order guard expressions such that TARGET_64BIT
 186         comes first, when this permits better optimization.  Add
 187         TARGET_64BIT to more x86-64 patterns.  Add comment explaining
 188         why this is desirable.
 189
 190 2001-08-09  Jakub Jelinek  <jakub@redhat.com>
 191
 192         * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
 193         (find_fde_for_dso): Remove.
 194         (_Unwind_IteratePhdrCallback): New.
 195         (_Unwind_FindTableEntry): Use dl_iterate_phdr.
 196         * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
 197
 198 Thu Aug  9 11:30:20 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 199
 200         * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
 201         (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
 202
 203 2001-08-09  Graham Stott  <grahams@redhat.com>
 204
 205         * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
 206         (vis_no_unit): Use it.
 207         (visualize_no_unit): Add the insn only if room exists.
 208
 209 2001-08-09  Graham Stott  <grahams@redhat.com>
 210
 211         * predict.c (estimate_probability): Replace magic numbers with
 212         appropriate enumeration.
 213
 214 2001-08-09  Graham Stott  <grahams@redhat.com>
 215
 216         * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
 217         parameter.
 218         (EXTRACT_FLAGS): Likewise.
 219
 220 2001-08-09  Aldy Hernandez  <aldyh@redhat.com>
 221
 222         * config/mips/mips.c    (mips_legitimate_address_p): Check for
 223         CONST_INT in last patch.
 224
 225 2001-08-08  Anthony Green  <green@redhat.com>
 226
 227         * java/class.c (emit_register_classes): Use assemble_jcr if
 228         possible.  Keep the original mechanism as a fallback.
 229         * defaults.h (JCR_SECTION_NAME): Define if we have named section
 230         and weak symbol support.
 231         * crtstuff.c (__JCR_LIST__): Define.
 232         (__JCR_END__): Define.
 233         (_Jv_RegiserClasses): Define weak symbol if possible.
 234         (__do_global_ctors_aux): Register classes for ELF targets with
 235         weak symbol support.
 236
 237 2001-08-08  Kazu Hirata  <kazu@hxi.com>
 238
 239         * dbxout.c: Fix comment formatting.
 240         * dependence.c: Likewise.
 241         * df.c: Likewise.
 242         * diagnostic.c: Likewise.
 243         * dominance.c: Likewise.
 244         * doprint.c: Likewise.
 245         * dwarf2out.c: Likewise.
 246         * dwarfout.c: Likewise.
 247         * emit-rtl.c: Likewise.
 248         * except.c: Likewise.
 249         * explow.c: Likewise.
 250         * expmed.c: Likewise.
 251         * expr.c: Likewise.
 252         * flow.c: Likewise.
 253         * fold-const.c: Likewise.
 254         * function.c: Likewise.
 255
 256 2001-08-08  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
 257
 258         * global.c (retry_global_alloc): Avoid shadowing allocno.
 259
 260 2001-08-08  Mark Mitchell  <mark@codesourcery.com>
 261
 262         * except.c (remove_fixup_regions): Fix typo.
 263
 264 2001-08-08  Jan van Male <jan.vanmale@fenk.wau.nl>
 265
 266         * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
 267         unsigned HOST_WIDE_INT to avoid warning.
 268         * final.c (final): Cast INSN_UID to unsigned to avoid warning.
 269         * flow.c (set_block_for_new_insns): Likewise.
 270
 271 Wed Aug  8 21:08:14 CEST 2001  Jan Hubicka  <jh@suse.cz>
 272
 273         * sibcall.c (return_value_pseudo): New static variable.
 274         (skip_copy_to_return_value): Handle return_value_pseudo.
 275         (call_ends_block_p): Ensure that return_value_pseudo is set.
 276         (optimize_sibling_and_tail_recursive_call): Discover the
 277         load of pseudo return value in alternate exit block.
 278
 279 Wed Aug  8 21:06:43 CEST 2001  Jan Hubicka  <jh@suse.cz>
 280
 281         * calls.c (ECF_ALWAYS_RETURN): New constant.
 282         (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
 283         (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
 284         (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
 285         * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
 286         * rtl.c (reg_note_name): New name.
 287         * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
 288
 289 2001-08-07  Aldy Hernandez  <aldyh@redhat.com>
 290
 291         * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
 292
 293 2001-08-08  Jason Merrill  <jason_merrill@redhat.com>
 294
 295         * alias.c (get_alias_set): Return a previously calculated
 296         alias set for a VAR_DECL.
 297         * function.c (gen_mem_addressof): Calculate the alias set before
 298         touching the RTL.
 299
 300 Wed Aug  8 18:44:37 CEST 2001  Jan Hubicka  <jh@suse.cz>
 301
 302         * predict.def: Set hitrates according our experimental run.
 303
 304 Wed Aug  8 18:01:58 CEST 2001  Jan Hubicka  <jh@suse.cz>
 305
 306         * i386.h (HARD_REGNO_RENAME_OK): New macro.
 307
 308 2001-08-08  H.J. Lu <hjl@gnu.org>
 309
 310         * config/mips/mips.c (mips_unique_section): New. Copied from
 311         config/mips/elf.h.
 312
 313         * config/mips/mips-protos.h (mips_unique_section): New
 314         prototype.
 315
 316         * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
 317
 318         * config/mips/little.h: New. Generic little endian mips
 319         targets. Only mips*-*-linux* is converted to use it so far.
 320
 321         * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
 322         (WCHAR_TYPE): Defined
 323         (WCHAR_TYPE_SIZE): Likewise.
 324         (INIT_SUBTARGET_OPTABS): Likewise.
 325         (BSS_SECTION_ASM_OP): Likewise.
 326         (SBSS_SECTION_ASM_OP): Likewise.
 327         (ASM_OUTPUT_ALIGNED_BSS): Likewise.
 328         (ASM_DECLARE_OBJECT_NAME): Likewise.
 329         (UNIQUE_SECTION): Likewise.
 330         (EXTRA_SECTIONS): Likewise.
 331         (ASM_OUTPUT_CONSTRUCTOR): Likewise.
 332         (ASM_OUTPUT_DESTRUCTOR): Likewise.
 333         (ASM_OUTPUT_DEF): Likewise.
 334         (HANDLE_SYSV_PRAGMA): Removed.
 335         (NO_IMPLICIT_EXTERN_C): Likewise.
 336         (TARGET_MEM_FUNCTIONS): Likewise.
 337         (STARTFILE_SPEC): Likewise.
 338         (ENDFILE_SPEC): Likewise.
 339         (LIB_SPEC): Likewise.
 340         (INVOKE__main): Likewise.
 341         (CTOR_LIST_BEGIN): Likewise.
 342         (CTOR_LIST_END): Likewise.
 343         (DTOR_LIST_BEGIN): Likewise.
 344         (DTOR_LIST_END): Likewise.
 345         (SET_ASM_OP): Likewise.
 346         (ASM_OUTPUT_SOURCE_LINE): Likewise.
 347         (ASM_OUTPUT_DEF): Likewise.
 348         (ASM_OUTPUT_IDENT): Likewise.
 349
 350         * config/mips/mips.h (ASM_SPEC): Undefine before define.
 351         (CPLUSPLUS_CPP_SPEC): Likewise.
 352         (ASM_APP_ON) Redefine only if not defined.
 353         (ASM_APP_OFF): Likewise.
 354         (ASM_OUTPUT_SOURCE_LINE): Likewise.
 355         (ASM_OUTPUT_IDENT): Likewise.
 356
 357         * config.gcc: Update tm_file for Linux/mips.
 358
 359 2001-08-08  Bernd Schmidt  <bernds@redhat.com>
 360
 361         * cselib.c (cselib_record_sets): If insn is predicated, turn
 362         sources into IF_THEN_ELSEs.
 363
 364         * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
 365         Turn into define_insn_and_split.
 366
 367         * sched-deps.c: Include "cselib.h".
 368         (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
 369         Use cselib to turn memory addresses into VALUEs.
 370         (sched_analyze): Call cselib_init/cselib_finish if necessary.
 371         * sched-int.h (struct sched_info): New member USE_CSELIB.
 372         * sched-ebb.c (ebb_sched_info): Initialize it.
 373         * sched-rgn.c (rgn_sched_info): Likewise.
 374         * Makefile.in (sched-deps.o): Update dependencies.
 375
 376         * cselib.h (cselib_subst_to_values): Declare.
 377         * cselib.c (cselib_subst_to_values): No longer static.  Allow MEMs
 378         that have no value and autoincs to be handled by generating a new
 379         dummy value.
 380
 381 2001-08-08  Graham Stott  <grahams@redhat.com>
 382
 383         * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
 384         within fixed length SEQUENCE.
 385
 386 2001-08-08  Graham Stott  <grahams@redhat.com>
 387
 388         * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
 389         (diagnostic_prefixing_rule): Likewise.
 390         (diagnostic_line_cutoff): Likewise.
 391         (diagnostic_kind_count): Likewise.
 392
 393 2001-08-08  Graham Stott  <grahams@redhat.com>
 394
 395         * alias.c (find_base_decl): Delete redundent assignment.
 396
 397 2001-08-08  Graham Stott  <grahams@redhat.com>
 398
 399         * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
 400         (abs): Uppercase and paranthesize macro parameter.
 401         (MEM_DEPENDENCY): Add whitespace.
 402
 403 2001-08-08  Graham Stott  <grahams@redhat.com>
 404
 405         * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
 406         failure check for CONST_INT
 407
 408 2001-08-08  Graham Stott  <grahams@redhat.com>
 409
 410         * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
 411         (libcall_dead_p): Likewise.
 412
 413         (mark_used_regs): Constify fmt.
 414         (find_use_as_address): Likewise.
 415
 416 2001-08-08  Graham Stott  <grahams@redhat.com>
 417
 418         * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
 419          parameter.
 420
 421 2001-08-08  Graham Stott  <grahams@redhat.com>
 422
 423         * combine.c (combine_simplify_rtx): Update comment and
 424         remove erroneous test.
 425
 426 2001-08-07  Neil Booth  <neil@daikokuya.demon.co.uk>
 427
 428         * cppinit.c (cpp_finish): Pop the final buffer without comment.
 429         * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
 430         take care to avoid multiple no-newline at EOF warnings in that
 431         case.
 432
 433 Tue Aug  7 22:18:06 CEST 2001  Jan Hubicka  <jh@suse.cz>
 434
 435         * calls.c (expand_call): Do not emit INSN_SETJMP note.
 436         (emit_library_call_value_1): Likewise.
 437         (emit_call_1): Emit REG_SETJMP note.
 438         * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
 439         of INSN_SETJMP
 440         * cselib.c (cselib_process_insn): Likewise.
 441         * flow.c (propagate_block): Likewise.
 442         * loop.c (find_and_verify_loops): Likewise.
 443         * reload.c (find_equiv_regs): Likewise.
 444         * reload1.c (reload): Likewise.
 445         * resource.c (mark_referenced_resources,
 446         mark_set_resources): Likewise.
 447         * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
 448         * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
 449         * haifa-sched.c (unlink_other_notes): Likewise.
 450         (reemit_notes): Likewise.
 451         * sched-ebb.c (sched_ebb): Likewise.
 452         * sched-rgc.c (sched_region): Likewise.
 453         * rtl.c (note_insn_name): Likewise.
 454         (reg_note_name): Add REG_SETJMP
 455         * rtl.h (reg_note): Add REG_SETJMP.
 456         (insn_note): Remove NOTE_INSN_SETJMP.
 457
 458         * profile.c (branch_prob): Add fake edges for setjmp.
 459
 460 2001-08-07  Daniel Jacobowitz  <drow@mvista.com>
 461
 462         * config.gcc: Quote target_cpu_default2 correctly for
 463         powerpc*-*-* targets.
 464
 465 2001-08-07  Neil Booth  <neil@daikokuya.demon.co.uk>
 466
 467         * cpplib.h, line-map.h: Update comments.
 468         * cppmain.c (printer_init): Move inline.
 469         (maybe_print_line, print_line): Take a map pointer.
 470         (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
 471         (cb_file_change): Don't use prior value of print.map.
 472
 473 2001-08-07  David Edelsohn  <edelsohn@gnu.org>
 474
 475         * doc/install.texi: Document fine-grained multilib configuration.
 476
 477 Tue Aug  7 16:52:54 CEST 2001  Jan Hubicka  <jh@suse.cz>
 478
 479         * rtlanal.c (find_first_parameter_load): Call note_stores
 480         only on the instructions.
 481
 482 Tue Aug  7 14:56:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
 483
 484         * alias.c (nonlocal_mentioned_p):
 485         Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
 486         * calls.c (emit_call_1): Likewise.
 487         * cse.c (cse_insn, invalidate_skipped_block): Likewise.
 488         * cselib.c (cselib_process_insn): Likewise.
 489         * df.c (df_insns_modify): Likewise.
 490         * flow.c (need_fake_edge_p): Likewise.
 491         (propagate_one_insn): Likewise.
 492         * haifa-sched.c (reemit_notes): Likewise.
 493         * integrate.c (copy_insn_list): Likewise.
 494         * jump.c (delete_prior_computation): Likewise.
 495         * local-alloc.c (validate_equiv_mem): Likewise.
 496         * loop.c (scan_loop): Likewise.
 497         * predict.c (estimate_probability): Likewise.
 498         * reload.c (reload): Likewise.
 499         * sched-deps (sched_analyze): Likewise.
 500         * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
 501         * gcse.c (compute_hash_table): Likewise.
 502         (mark_call): Likewise.
 503         (store_killed_in_insn): Likewise.
 504
 505 2001-08-07  Jason Merrill  <jason_merrill@redhat.com>
 506
 507         * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
 508
 509 2001-08-06  Richard Henderson  <rth@redhat.com>
 510
 511         * varasm.c (assemble_gc_entry): Remove.
 512         * output.h: Likewise.
 513
 514 2001-08-06  Richard Henderson  <rth@redhat.com>
 515
 516         * varasm.c (assemble_constructor): Take a symbol_ref and a
 517         priority instead of a bare string.  Move priority handling
 518         here from cp/decl2.c.
 519         * output.h: Update decls.
 520
 521         * c-decl.c (c_expand_body): Update calls to assemble_constructor
 522         and assemble_destructor.
 523         * profile.c (output_func_start_profiler): Likewise.
 524         * objc/objc-act.c (finish_objc): Likewise.
 525         (build_module_descriptor): Return the symbol not the symbol name.
 526
 527 2001-08-06  David Edelsohn  <edelsohn@gnu.org>
 528
 529         * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
 530         * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
 531         ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
 532         * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
 533         * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
 534         * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
 535
 536 2001-08-06  Neil Booth  <neil@daikokuya.demon.co.uk>
 537
 538         * cpperror.c (print_containing_files): Moved to line-map.c.
 539         (print_location): line-map.c handles re-listing or otherwise.
 540         * cpphash.h (struct lexer_state): Remove next_bol.
 541         (struct cpp_buffer): Remove include_stack_listed.
 542         * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
 543         Remove faked buffer handling.
 544         (_cpp_do_file_change): Tweak.
 545         * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
 546         * cppmain.c (struct printer): Remove filename.
 547         (print_line, cb_file_change): Update accordingly.
 548         * line-map.c: Include intl.h.
 549         (init_line_maps): Initialize last_listed.
 550         (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
 551         (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
 552         (print_containing_files): New.
 553         * line-map.h (struct line_maps): New member last_listed.
 554         (print_containing_files, INCLUDED_FROM): New.
 555         * Makefile.in: Update.
 556         * po/POTFILES.in: Add line-map.c.
 557
 558 2001-08-06  Richard Henderson  <rth@redhat.com>
 559
 560         * except.c (convert_from_eh_region_ranges_1): Never mark
 561         USE or CLOBBER insns as throwing.
 562
 563         * expr.c (store_constructor): Don't clobber memory targets.
 564
 565 2001-08-06  Andreas Jaeger  <aj@suse.de>
 566
 567         * profile.c (branch_prob): Remove unused variable insn.
 568
 569         * Makefile.in (local-alloc.o): Add dependency on except.h.
 570
 571         * local-alloc.c: Include except.h for can_throw_internal prototype.
 572
 573 2001-08-06  Richard Henderson  <rth@redhat.com>
 574
 575         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
 576         * function.c (expand_main_function): Implement it.
 577         * doc/tm.texi: Document it.
 578
 579 2001-08-06  Stan Shebs  <shebs@apple.com>
 580
 581         * doc/install.texi: Document powerpc-*-darwin* details.
 582
 583 2001-08-06  Daniel Berlin  <dan@cgsoftware.com>
 584
 585         * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
 586         (ASM_CPU_SPEC): Move back to rs6000.h
 587         #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
 588
 589         * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
 590
 591         * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
 592         readded.
 593
 594         * config/rs6000/linux64.h: Ditto.
 595
 596         * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
 597         to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
 598         nothing.
 599
 600         Remove accidently readded definitions of FUNCTION_PROLOGUE,
 601         FUNCTION_EPILOGUE,  ASM_OPEN_PAREN, ASM_CLOSE_PAREN
 602
 603         * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
 604         to rs6000.h
 605
 606 2001-08-05  Richard Henderson  <rth@redhat.com>
 607
 608         * local-alloc.c (update_equiv_regs): Do not move insns that
 609         can throw.
 610
 611 2001-08-05  Jan Hubicka  <jh@suse.cz>
 612
 613         * Makefile.in (reload1.o): Add dedendancy on except.h
 614         * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
 615         prototypes.
 616         * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
 617         indicating wehther edges has been cleaned up.
 618         * reload1.c: Inlucde except.h
 619         (fixup_abnormal_edges): Accept deleted insns.
 620         * toplev.c (rest_of_compilation): Purge dead edges unconditionally
 621         after combine.
 622
 623 2001-08-06  Neil Booth  <neil@daikokuya.demon.co.uk>
 624
 625         * cpplib.c (do_line): Correct line number after pop_buffer.
 626
 627 2001-08-05  Neil Booth  <neil@daikokuya.demon.co.uk>
 628
 629         PR preprocessor/3824
 630         * line-map.c: Update comments.
 631         * line-map.h: Update comments.
 632         * tradcif.y: Don't consider large numbers unsigned.
 633
 634 2001-08-05  Neil Booth  <neil@daikokuya.demon.co.uk>
 635
 636         PR preprocessor/3081
 637         * c-lex.c (map): New.
 638         (cb_file_change): Update map and use it.
 639         (cb_def_pragma, cb_define, cb_undef): Use map and line.
 640         (c_lex): Update to use map.
 641         * cpperror.c (print_location): Move to using logical line numbers.
 642         * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
 643         (cpp_make_system_header): Similarly.
 644         (_cpp_execute_include): Stop line numbering hacks.  Store the
 645         line we will return to.
 646         * cpphash.h (CPP_BUF_LINE): Remove.
 647         (struct cpp_buffer): Remove lineno and pseudo_newlines.
 648         Add map and return_to_line.
 649         (_cpp_do_file_change): Update.
 650         * cppinit.c (cpp_start_read): Update line kludge.
 651         * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
 652         (trigraph_ok): Use logical line numbers for diagnostics.
 653         (skip_block_comment): Likewise.
 654         (skip_whitespace): Likewise.
 655         (skip_line_comment): Use pfile->line instead.
 656         (_cpp_lex_token): Update to use logical line numbering exclusively.
 657         Handle BOL locally.  Accept new lines in directives, but keep
 658         pfile->line decremented.  Diagnostics use logical lines.  Update
 659         directive handling.
 660         * cpplib.c (SEEN_EOL): New.
 661         (skip_rest_of_line, check_eol): Use it.
 662         (end_directive): Increase line number when accepting the newline
 663         at the end of a directive.
 664         (run_directive): Simplify.
 665         (do_line): Bad LC_LEAVEs become LC_RENAMEs.  Update.
 666         (_cpp_do_file_change): Update to take buffer line number as an
 667         argument, and store the current map in the cpp_reader.  Remove
 668         line number kludges.
 669         (_cpp_do__Pragma): Restore output position after a _Pragma.
 670         (cpp_push_buffer): Don't set output line or lineno.
 671         (_cpp_pop_buffer): Transfer more info from a faked buffer.
 672         Remove line kludge.  Set output_line.
 673         * cppmacro.c (builtin_macro): Update handling of __LINE__.
 674         (parse_arg): Use logical lines.
 675         (save_lookahead_token): Save EOFs too now.
 676         * cppmain.c (struct printer): Fix comments.
 677         (printer_init): Simplify, let caller do errors.
 678         (scan_translation_unit, check_multiline_token, dump_macro): Update.
 679         (maybe_print_line): Simplify.
 680         (print_line): Don't print a linemarker if -P.
 681         (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
 682         (cb_file_change): Simplify.
 683         * line-map.h (LAST_SOURCE_LINE): Fix.
 684         (CURRENT_LINE_MAP): New.
 685
 686 2001-08-05  Bernd Schmidt  <bernds@redhat.com>
 687
 688         * doloop.c (doloop_modify_runtime): Properly compute number of
 689         iterations if loop was unrolled.
 690
 691         * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
 692         if their CSELIB_VAL_PTRs are.
 693
 694         * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
 695         (setup_spill_pointers): Initialize it.
 696         (spill_restore_mem): Set it.
 697         (do_spill, do_restore): Use it to add REG_INC note.
 698         * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
 699
 700         * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
 701         asms if other insns are available.
 702
 703         * config/ia64/ia64.c (condop_operator): New predicate.
 704         * config/ia64/ia64.h (PREDICATE_CODES): Add it.
 705         * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
 706         patterns.
 707
 708         * expr.c (expand_expr, case COND_EXPR): Prefer working with a
 709         temporary register than directly using a MEM.
 710
 711 2001-08-04  Hans-Peter Nilsson  <hp@bitrange.com>
 712
 713         * config/sh/sh.c (sh_asm_named_section): Fix typo in align
 714         parameter in last change.
 715
 716 2001-08-04  Zack Weinberg  <zackw@panix.com>
 717
 718         * sparc.md: Don't use #if inside C test expression.
 719
 720 2001-08-04  Richard Henderson  <rth@redhat.com>
 721
 722         * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
 723
 724 2001-08-04  Neil Booth  <neil@daikokuya.demon.co.uk>
 725
 726         * cpphash.h (struct cpp_reader): New member directive_line.
 727         * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
 728         * cpplib.c (do_define, do_undef, do_ident, do_include_common,
 729         do_pragma): Pass line to callbacks.
 730         (start_directive): Record line of directive.
 731         * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
 732         cb_include): Similarly.
 733         * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
 734         Similarly.
 735
 736 2001-08-04  Hans-Peter Nilsson  <hp@bitrange.com>
 737
 738         * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
 739         comment.
 740
 741 Sat Aug  4 13:51:36 CEST 2001  Jan Hubicka  <jh@suse.cz>
 742
 743         * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
 744
 745         * reload1.c (fixup_abnormal_edges): New static function.
 746         (reload): Use it.
 747
 748         * flow.c (need_fake_edge_p): New function.
 749         (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
 750         avoid call insn to be very last insn in the insn stream.
 751
 752         * profile.c (branch_prob): Call flow_call_edges_add instead of
 753         doing that by hand; cleanup cfg to re-merge basic blocks once
 754         we are done.
 755
 756 2001-08-04  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
 757
 758         * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
 759         are also on line-map.h.
 760         * cppfiles.c (stack_include_file): Update.
 761         * cpphash.h (struct cpp_buffer): New member return_at_eof.
 762         (_cpp_pop_buffer): New.
 763         * cppinit.c (cpp_destroy, cpp_finish): Update.
 764         (do_includes): Mark each buffer to return at EOF.
 765         * cpplex.c (_cpp_lex_token): Pop buffers at EOF.  Continue or
 766         return as requested.
 767         * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
 768         (cpp_pop_buffer): Rename _cpp_pop_buffer.  Stop skipping.
 769         * cpplib.h (cpp_pop_buffer): Remove.
 770         (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
 771         * cppmacro.c (cpp_scan_buffer_nooutput): Similarly.  No need to pop
 772         buffers.
 773         * cppmain.c (scan_buffer): Rename scan_translation_unit.  No need
 774         to pop buffers.
 775         (do_preprocessing): Update.
 776         * fix-header.c (read_scan_file): Update.  No need to pop buffers.
 777         * c-parse.in (_yylex): Similarly.
 778         * scan-decls.c (scan_decls): Similarly.
 779         * line-map.h: Update comments.
 780
 781         * objc/Make-lang.in (objc-act.o): Update dependencies.
 782
 783 2001-08-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 784
 785         * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
 786         and soft register for operand 0.
 787         ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
 788
 789 2001-08-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 790
 791         * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
 792         register for operand 0.
 793         ("bitcmpqi_z_used"): Allow memory for operand 0.
 794         (split "bitcmpqi"): New split to handle address reg as operand 1.
 795
 796 2001-08-04  Andreas Jaeger  <aj@suse.de>
 797
 798         * gcse.c: Revert Daniel's last patch.
 799
 800 2001-08-03  Zack Weinberg  <zackw@stanford.edu>
 801
 802         * sparc-protos.h: Add prototypes for fp_zero_operand and
 803         reg_or_0_operand.
 804         * sh-protos.h: Add prototype for fpul_operand.
 805
 806 2001-08-04  Hans-Peter Nilsson  <hp@bitrange.com>
 807
 808         * doc/extend.texi (Other Builtins): Fix typo in last change.
 809
 810 2001-08-03  Richard Henderson  <rth@redhat.com>
 811
 812         * target.h (gcc_target): Add asm_out.named_section,
 813         section_type_flags, have_named_sections.
 814         * target-def.h (TARGET_ASM_NAMED_SECTION): New.
 815         (TARGET_HAVE_NAMED_SECTIONS): New.
 816         (TARGET_SECTION_TYPE_FLAGS): New.
 817
 818         * Makefile.in (toplev.o): Depend on TARGET_H.
 819         (varasm.o, dbxout.o): Likewise.
 820         * c-common.c (decl_attributes): Check targetm.have_named_sections
 821         instead of ifdef ASM_OUTPUT_SECTION_NAME.
 822         * dbxout.c (dbxout_function_decl): Likewise.
 823         (dbxout_function_end): Likewise.
 824         * toplev.c (compile_file): Likewise.
 825         * varasm.c (exception_section): Likewise.
 826         * cp/decl2.c (finish_objects): Likewise.
 827
 828         * defaults.h (EH_FRAME_SECTION): Remove.
 829         (EH_FRAME_SECTION_ASM_OP): Remove.
 830         (EH_FRAME_SECTION_NAME): New.
 831         (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
 832         (UNIQUE_SECTION_P): Remove.
 833         * dwarf2out.c (SECTION_FORMAT): Remove.
 834         (ASM_OUTPUT_SECTION): Remove.
 835         (output_call_frame_info): Use named_section_flags.
 836         (output_comp_unit, dwarf2out_start_source_file): Likewise.
 837         (dwarf2out_end_source_file, dwarf2out_define): Likewise.
 838         (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
 839         * varasm.c (in_eh_frame, eh_frame_section): Remove.
 840         (named_section_flags): New.
 841         (named_section): Use it and targetm.section_type_flags.
 842         (resolve_unique_section): New.
 843         (assemble_start_function): Use it.
 844         (asm_emit_uninitialised, assemble_variable): Likewise.
 845         (default_section_type_flags): New.
 846         (default_no_named_section, default_elf_asm_named_section): New.
 847         (default_coff_asm_named_section, default_pe_asm_named_section): New.
 848         * output.h: Update varasm.c decls.
 849         (SECTION_*): New flags.
 850
 851         * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
 852         (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
 853
 854         * config/elfos.h (UNIQUE_SECTION_P): Remove.
 855         * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
 856         * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
 857         * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
 858         * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
 859         * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
 860         * config/mips/elf.h, config/mips/elf64.h: Likewise.
 861         * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
 862         * config/pa/pa64-hpux.h,
 863
 864         * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
 865         (TARGET_ASM_NAMED_SECTION): New.
 866         * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
 867         * config/alpha/vms.h, config/arm/coff.h: Likewise.
 868         * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
 869         * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
 870         * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
 871         * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
 872         * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
 873         * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
 874         * config/i386/sco5.h, config/i386/win32.h: Likewise.
 875         * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
 876         * config/mcore/mcore.h, config/mips/elf.h: Likewise.
 877         * config/mips/elf64.h, config/mips/iris6.h: Likewise.
 878         * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
 879         * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
 880         * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
 881         * config/sparc/sysv4.h: Likewise.
 882
 883         * config/nextstep.h: Error until named sections implemented.
 884
 885         * config/a29k/a29k.c (a29k_asm_named_section): New.
 886         * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
 887         (vms_section_type_flags, vms_asm_named_section): New.
 888         * config/arm/arm.c (arm_elf_asm_named_section): New.
 889         * config/avr/avr.c (asm_output_section_name): Remove.
 890         * config/avr/avr-protos.h: Update.
 891         * config/c4x/c4x.c (c4x_asm_named_section): New.
 892         * config/h8300/h8300.c (h8300_asm_named_section): New.
 893         * config/i386/i386.c (sco_asm_named_section): New.
 894         * config/i386/winnt.c (SECTION_PE_SHARED): New.
 895         (i386_pe_section_type_flags): New.
 896         (i386_pe_asm_named_section): New.
 897         * config/i386/i386-protos.h: Update.
 898         * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
 899         * config/mcore/mcore.c (mcore_asm_named_section): New.
 900         * config/mips/mips.c (iris6_asm_named_section): New.
 901         * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
 902         instead of UNIQUE_SECTION_P.
 903         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
 904         (xcoff_asm_named_section): New.
 905         * config/sh/sh.c (sh_asm_named_section): New.
 906         * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
 907
 908         * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
 909         * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
 910         (EH_FRAME_SECTION_NAME): New.
 911         (EXCEPTION_SECTION): New.
 912         * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
 913         (DEBUG_*_SECTION): Remove.
 914         * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
 915         * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
 916         (EH_FRAME_SECTION_ASM_OP): Remove.
 917
 918         * doc/tm.texi (UNIQUE_SECTION_P): Remove.
 919         (ASM_OUTPUT_SECTION_NAME): Remove.
 920         (TARGET_ASM_NAMED_SECTION): New.
 921         (TARGET_HAVE_NAMED_SECTIONS): New.
 922         (TARGET_SECTION_TYPE_FLAGS): New.
 923         (EH_FRAME_SECTION_ASM_OP): Remove.
 924         (EH_FRAME_SECTION_NAME): New.
 925
 926 2001-08-03  Zack Weinberg  <zackw@stanford.edu>
 927
 928         * builtins.c (fold_builtin_constant_p): Return integer_zero_node
 929         for complex expressions when cfun == 0.
 930         * doc/extend.texi: Document that __builtin_constant_p can be
 931         used in data initializers as well as functions.
 932
 933 2001-08-03  Alexandre Oliva  <aoliva@redhat.com>
 934
 935         * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
 936         variable I locally, instead of expecting a declaration in the
 937         calling context.
 938
 939 2001-08-03  Richard Henderson  <rth@redhat.com>
 940
 941         * except.c (collect_one_action_chain): Add an explicit cleanup
 942         action if regions surrounding a catch were encoded entirely
 943         within the call-site entry.
 944
 945 2001-08-03  Richard Henderson  <rth@redhat.com>
 946
 947         * dbxout.c (dbxout_symbol_location): Flatten subregs first;
 948         don't take REGNO of a non-register.
 949
 950 2001-08-03  John David Anglin  <dave@hiauly1.hia.nrc.ca>
 951
 952         * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
 953         __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
 954         (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
 955         (__gthread_mutex_init_function): New function for mutex initialization.
 956
 957 2001-08-03  Daniel Berlin  <dan@cgsoftware.com>
 958
 959         * Makefile.in: Revert screwed up commit.
 960
 961 2001-08-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 962
 963         * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
 964         * config/m68hc11/larith.asm (_exit): Split in several sub-sections
 965         merged by linker script to get a final _exit().
 966         (__do_global_dtors): New for destructor handling in specific exit
 967         section.
 968         (__do_global_ctors): New for constructors in specific install section.
 969         (__map_data_section): Map data sections before running constructors.
 970         * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
 971         (CTORS_SECTION_ASM_OP): Define to put in readonly section.
 972         (DTORS_SECTION_ASM_OP): Likewise.
 973         (CTORS_SECTION_FUNCTION): Define to force a reference to
 974         __do_global_ctors.
 975         (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
 976
 977 2001-08-03  Daniel Berlin  <dan@cgsoftware.com>
 978
 979         * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
 980
 981         * Makefile.in: Add df.h to gcse.c dependencies.
 982
 983 2001-08-03  John David Anglin  <dave@hiauly1.hia.nrc.ca>
 984
 985         * varasm.c (output_constant_def_contents): Use for the length of a
 986         string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
 987         depending on which is larger.
 988
 989 2001-08-03  Daniel Berlin  <dan@cgsoftware.com>
 990
 991         * gcse.c: Include df.h for use as a dataflow analyzer.
 992         Remove regvec.
 993         Declaration of reg_set_info: gone.
 994         New df_analyzer variable used by store motion.
 995         (reg_set_info): Deleted.
 996         (mark_mem_regs): New function, analyze regs used by a mem.
 997         (store_ops_ok): Use dataflow analyzer results to determine if
 998         necessary regs are changed in the block.
 999         (find_moveable_store): Remove check for symbol ref, we can handle
1000         much more complex expressions now.
1001         (compute_store_table): Remove most of the code, it's unnecessary
1002         now that the dataflow analyzer records the info for us.
1003         (store_killed_after): Add parameter to say whether to do the
1004         store_ops_okay test, used to speed up testing when we already know
1005         the answer, and just want to know if the store itself was killed.
1006         (build_store_vector): Largely rewritten to calculate the various
1007         vectors properly, and somewhat optimized.
1008         (store_motion): Init the df_analyzer, get REG_DEF chains.
1009         Also handle trapping expressions (since mems almost always trap)
1010         (simple_mem): Redefine what a simple mem is.
1011
1012 2001-08-03  DJ Delorie  <dj@redhat.com>
1013
1014         * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
1015         set from a constant part of the condition.
1016
1017 2001-08-01  Andrew Cagney  <ac131313@redhat.com>
1018
1019         * mkdeps.c (deps_add_default_target): Make local variable
1020         ``start'' a const char pointer.
1021         * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
1022
1023 2001-08-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1024
1025         * doc/install.texi (Configuration): Fix markup.
1026         (Specific, i?86-*-udk): Likewise.
1027         (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
1028         --with-gnu-ld.
1029         Document --enable-threads and --enable-libgcj status.
1030         (Specific, mips-sgi-irix*): Canonicalize triples.
1031         (Specific, mips-sgi-irix5): Warn about problems with this config.
1032         Mention required GNU as patch.
1033         Native assembler problems are fixed.
1034         (Specific, mips-sgi-irix6): Update O32 ABI support status.
1035         Document --enable-threads and --enable-libgcj status.
1036
1037 2001-08-02  Nick Clifton  <nickc@cambridge.redhat.com>
1038
1039         * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
1040         of mkinstalldirs.
1041
1042 2001-08-03  Richard Henderson  <rth@redhat.com>
1043
1044         * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
1045         constant data.
1046
1047 2001-08-03  Richard Henderson  <rth@redhat.com>
1048
1049         * rtlanal.c (find_first_parameter_load): Stop if we
1050         reach a CODE_LABEL at BOUNDARY.
1051
1052 2001-08-03  Richard Henderson  <rth@redhat.com>
1053
1054         * config/alpha/alpha.md (force_movdi): New insn.
1055         * config/alpha/alpha.c (alpha_expand_prologue): Use it.
1056         Tweek FRP marking of VMS prologue insns.
1057         * config/alpha/vms.h (EPILOGUE_USES): New.
1058
1059 2001-08-02  Richard Henderson  <rth@redhat.com>
1060
1061         * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
1062
1063 2001-08-02  Lars Brinkhoff  <lars@nocrew.org>
1064
1065         * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
1066         simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
1067         config/convex/convex.h, config/d30v/d30v.c,
1068         config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
1069         config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
1070         config/mips/mips.h, config/mn10200/mn10200.h,
1071         config/mn10300/mn10300.h, config/pdp11/pdp11.md,
1072         config/v850/v850.h, config/vax/openbsd.h,
1073         config/vax/openbsd1.h, config/vax/ultrix.h,
1074         config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
1075         config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
1076         cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
1077         doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
1078         doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
1079         in comments and documentation.
1080
1081 2001-08-03  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
1082
1083         * line-map.c: New.
1084         * line-map.h: New.
1085         * Makefile.in (line-map.o): New.
1086         (LIBCPP_OBJS, LIBCPP_DEPS): Update.
1087         * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
1088         * cpperror.c (print_containing_files): Similarly.
1089         (print_location): Update.  Don't output a space before _Pragma.
1090         * cppfiles.c (stack_include_file): Set to line 1 immediately.
1091         (stack_include_filee, cpp_make_system_header): Update.
1092         (_cpp_execute_include): Get logical line number right for calling
1093         as-yet-unterminated #include.
1094         * cpphash.h (struct cpp_reader): Add line_maps.
1095         (_cpp_do_file_change): Update.
1096         * cppinit.c (cpp_create_reader): Initialize line maps.
1097         (cpp_destroy): Destroy line maps.
1098         (cpp_start_read): Get logical line number right.
1099         * cpplex.c (parse_string): Only warn once for multi-line strings.
1100         Use boolean variable for null warning.
1101         * cpplib.c (_cpp_handle_directive): End the directive if it isn't
1102         already.
1103         (do_include_common): End the directive early.
1104         (do_line): Don't warn about out-of-range lines in preprocessed
1105         source.  Update.  Remove unused variables.
1106         (_cpp_do_file_change): Update for new line mapping.
1107         (pragma_cb): New typedef.
1108         (cpp_register_pragma): Stop looking ahead before calling the
1109         handler.  Clean up.
1110         (do_pragma_system_header): End directive early.
1111         (cpp_get_line_maps): New.
1112         (cpp_pop_buffer): Fudge logical line.  Update.
1113         * cpplib.h: Include line-map.h
1114         (enum cpp_fc_reason): Remove.
1115         (struct cpp_file_change): Update.
1116         (cpp_get_line_maps): New.
1117         * cppmain.c (struct_printer): New member map.
1118         (cb_file_change): Update for new mappings.
1119         * fix-header.c (cb_file_change): Similarly.
1120
1121 2001-08-02  Nick Clifton  <nickc@cambridge.redhat.com>
1122
1123         * Makefile.in (libgcc.mk): Define mkinstalldirs.
1124         * mklibgcc.in: Use mkinstalldirs instead of mkdir.
1125
1126 2001-08-02  Lars Brinkhoff  <lars@nocrew.org>
1127
1128         * config/vax/vax.c: include expr.h.
1129
1130 2001-08-02  Nick Clifton  <nickc@cambridge.redhat.com>
1131
1132         * Makefile.in ($(srcdir)/configure): Only rebuild in
1133         maintainer mode.
1134         ($(srcdir)/config.in): Only define in maintainer mode.
1135         ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
1136
1137 2001-08-02  David Edelsohn  <edelsohn@gnu.org>
1138
1139         * doc/install.texi (Install GCC: Binaries): Update Bull info.
1140
1141 2001-08-02  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1142
1143         * gcc.c (set_collect_gcc_options): New function, split out from
1144         main.
1145         Ignore elided switches.
1146         (do_spec_1): Invoke before executing command.
1147         (set_input): Export.
1148         Move declaration ...
1149         * gcc.h (set_input): ... here.
1150         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
1151         file.
1152
1153 2001-08-02  Nathan Sidwell  <nathan@codesourcery.com>
1154
1155         Kill -fhonor-std.
1156         * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
1157         interaction.
1158         * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
1159
1160 2001-08-02  Richard Sandiford  <rsandifo@redhat.com>
1161
1162         * mips.md (movdicc): Make conditional on TARGET_64BIT.  Likewise
1163         for the unnamed instructions it expands to.
1164
1165 2001-08-02  Richard Henderson  <rth@redhat.com>
1166
1167         * regclass.c (call_really_used_regs): Conditionally define.
1168         (init_reg_sets_1): Don't use it if not defined.
1169         (fix_register): Similarly, don't set it.
1170
1171 2001-08-01  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1172
1173         * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
1174         Correct comment that had been missed in the previous change.
1175
1176 2001-08-01  Stan Shebs  <shebs@apple.com>
1177
1178         * config/darwin.c (machopic_stub_name): Try matching by name.
1179         (update_stubs): New function.
1180         (darwin_encode_section_info):  Call it and update_non_lazy_ptrs
1181         unconditionally.
1182
1183 2001-08-01  Richard Henderson  <rth@redhat.com>
1184
1185         * except.c (output_function_exception_table): Use assemble_align.
1186         * varasm.c (assemble_eh_label): Remove.
1187         (assemble_eh_align, assemble_eh_integer): Remove.
1188
1189 2001-08-01  Robert Lipe  <robertl@caldera.com>
1190
1191         * dwarfout.c: Remove reference to README.DWARF.
1192
1193 2001-08-01  Andrew MacLeod  <amacleod@redhat.com>
1194
1195         * regclass.c (call_really_used_regs): New array for registers which
1196         are actually used by a call.
1197         (init_reg_sets_1): Initialize regs_invalidated_by_call with the
1198         new array.
1199         (fix_register): Set call_really_used too.
1200         * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
1201         * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
1202
1203 2001-08-01  Richard Henderson  <rth@redhat.com>
1204
1205         * read-rtl.c (read_name): Consider \r whitespace.
1206
1207 2001-07-11  Andrew Cagney  <ac131313@redhat.com>
1208
1209         * config.gcc: Recognize powerpc-*-netbsd*.
1210
1211         * doc/install.texi (Host/target specific installation notes for
1212         GCC): Mention powerpc-*-netbsd*.
1213
1214         * config/rs6000/netbsd.h: New file.
1215         (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
1216         (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
1217         (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
1218         (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
1219         (TARGET_VERSION): Redefine.
1220
1221         * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
1222         mcall-netbsd as a match for mcall-sysv.
1223         (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
1224         (ncrti.S, ncrtn.S): New targets.
1225         ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
1226
1227         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
1228         "netbsd' as a V4 ABI.
1229         (ASM_SPEC): Check for -mcall-netbsd.
1230         (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
1231         (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
1232         (LIB_SPEC, ENDFILE_SPEC): Ditto.
1233         (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
1234         (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
1235         (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
1236         (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
1237
1238         * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
1239         (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
1240
1241 2001-08-01  Mark Kettenis  <kettenis@gnu.org>
1242
1243         * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
1244         only if NO_BASE_OF_ENCODED_VALUE isn't defined.
1245         * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
1246         including "unwind-pe.h".
1247
1248 Wed Aug  1 20:01:42 CEST 2001  Jan Hubicka  <jh@suse.cz>
1249
1250         * rs6000.md (define_splits): Kill unused constraints.
1251
1252 Wed Aug  1 20:02:12 CEST 2001 Graham Stott  <grahams@redhat.com>
1253                               Jan Hubicka  <jh@suse.cz>
1254
1255         * function.c (thread_prologue_and_epilogue_insns): Kill code
1256         dealing with non-existent CFG.
1257
1258 2001-08-01  Kazu Hirata  <kazu@hxi.com>
1259
1260         * alias.c: Fix comment formatting.
1261         * bitmap.c: Likewise.
1262         * builtins.c: Likewise.
1263         * calls.c: Likewise.
1264         * c-common.c: Likewise.
1265         * c-decl.c: Likewise.
1266         * c-dump.c: Likewise.
1267         * c-lex.c: Likewise.
1268         * collect2.c: Likewise.
1269         * combine.c: Likewise.
1270         * conflict.c: Likewise.
1271         * cppfiles.c: Likewise.
1272         * cppinit.c: Likewise.
1273         * cpplex.c: Likewise.
1274         * cpplib.c: Likewise.
1275         * cppmacro.c: Likewise.
1276         * cppspec.c: Likewise.
1277         * c-pragma.c: Likewise.
1278         * crtstuff.c: Likewise.
1279         * cse.c: Likewise.
1280         * cselib.c: Likewise.
1281         * c-semantics.c: Likewise.
1282         * c-typeck.c: Likewise.
1283
1284 2001-08-01  H.J. Lu <hjl@gnu.org>
1285
1286         * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
1287
1288 2001-08-01  H.J. Lu <hjl@gnu.org>
1289
1290         * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
1291
1292 2001-08-01  Ziemowit Laski  <zlaski@apple.com>
1293
1294         * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
1295         contextualizing Objective-C class name lookup by the lexer.
1296         (typespec_reserved_nonattr): Disable ObjC class name lookup after
1297         seeing a TYPESPEC.
1298         (protocoldef): Add support for forward @protocol declarations.
1299         (yylexname): Suppress ObjC class name lookup in certain contexts;
1300         re-enable after lookup is complete.
1301         (_yylex): Re-enable ObjC class name lookup when certain
1302         punctuation marks are seen.
1303
1304         * objc/objc-act.c (check_protocol_recursively): New function used
1305         for finding circular dependencies in protocols.
1306         (objc_declare_protocols): New function for handling forward
1307         @protocol declarations.
1308         (receiver_is_class_object): Detect the case when 'self' is used
1309         inside of a class method.
1310         (build_message_expr): Issue a warning if class method is desired
1311         but instance method is found instead.
1312         (conforms_to_protocol): Streamline.
1313         (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
1314         protocol Foo, even if 'Bar foo' does not.
1315         (check_protocols): Streamline.
1316         (start_protocol): Add checks for circular and duplicate protocol
1317         definitions.
1318         (encode_aggregate_within): For typedefs of structs, encode the
1319         underlying struct.
1320         * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
1321         (objc_declare_protocols): New prototype.
1322
1323 2001-08-01  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
1324
1325         * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
1326         * cpplex.c (handle_newline): Update prototype.  Maintain logical
1327         line number.
1328         (skip_escaped_newlines, skip_block_comment, parse_string):
1329         Update accordingly.
1330         (_cpp_lex_token): Update, and store token position within the token.
1331         * cpplib.h (struct cpp_token): Add line and column entries.
1332         * cppmacro.c (replace_args): Position stringified tokens correctly.
1333
1334 2001-08-01  Andreas Jaeger  <aj@suse.de>
1335
1336         * basic-block.h: Add prototype for last_loop_beg_note.
1337
1338 2001-07-31  Alexandre Petit-Bianco  <apbianco@redhat.com>
1339
1340         * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
1341         RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
1342         comment.
1343         (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
1344         while handling WITH_CLEANUP_EXPR node. Use second operand calling
1345         expand_decl_cleanup.
1346         * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
1347         the first RTX.
1348         (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
1349         operand while calling simple_cst_equal.
1350         * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
1351         operand is the cleanup expression, the third is the RTL_EXPR.
1352         * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
1353
1354 2001-07-31  Jeff Sturm  <jsturm@one-point.com>
1355
1356         * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
1357
1358 2001-07-31  matthew green  <mrg@eterna.com.au>
1359
1360         * config.gcc (i386-*-netbsdelf): New description.
1361         * config/i386/netbsd-elf.h: New file.
1362
1363 2001-07-30  Geoffrey Keating  <geoffk@redhat.com>
1364
1365         * loop.c (check_dbra_loop): Use single_set to compute
1366         jump_label.
1367
1368 2001-07-31  Daniel Berlin  <dan@cgsoftware.com>
1369
1370         PowerPC reorg and support for powerpc64-*-linux*.
1371
1372         Also fixes emitting of constants on 32 bit and 64 bit
1373         platforms.
1374
1375         * config.gcc: powerpc64-*-linux* is a new target.
1376         Things that needed aix.h now also include xcoff.h
1377
1378         * config/rs6000/rs6000.h: Split XCOFF specific stuff into
1379         xcoff.h.
1380         Move AIX specific stuff into aix.h.
1381         (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
1382         with more than just XCOFF now.
1383         (SET_ASM_OP): Remove, now defined where needed.
1384         (FUNCTION_PROLOGUE): New macro definition.
1385         (FUNCTION_EPILOGUE): New macro definition.
1386         (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
1387
1388         * config/rs6000/xcoff.h: New file.
1389
1390         * config/rs6000/linux64.h: New file.
1391
1392         * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
1393
1394 2001-07-31  Alan Modra  <amodra@bigpond.net.au>
1395
1396         * rs6000.c (print_operand_address): Handle ELF syntax.
1397         (output_toc): Simplify.  Use DOUBLE_INT_ASM_OP.
1398         * rs6000.md (load_toc_aix_di): Handle ELF syntax.
1399         * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
1400
1401 2001-07-31  David Edelsohn  <edelsohn@gnu.org>
1402
1403         * rs6000.c (rs6000_override_options): Only disable
1404         flag_function_sections for XCOFF.
1405         (exact_log2_cint_operand): New predicate.
1406         (reg_or_{add,sub}_cint64_operand): New predicates.
1407         (add_operand): Compare CONST_INT with fewer function calls.
1408         (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
1409         (print_operand, case 'p'): Ensure positive operand.
1410         (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
1411         * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
1412         (PREDICATE_CODES): Add new predicates.
1413         * rs6000.md (addsi3): Split 32-bit constants more correctly.
1414         (divsi3, modsi3): Ensure positive power-of-2.
1415         (adddi3): Use new predicate.  Split 32-bit constants more
1416         correctly.  Re-arrange splitter to handle any constant.
1417         (subdi3): Use new predicate.
1418         (divdi3, moddi3): Ensure positive power-of-2.
1419         (movdi): Use rs6000_emit_set_const.
1420         (load_toc_v4_pic_di): Delete.
1421
1422 2001-07-31  Graham Stott <grahams@redhat.com>
1423
1424         * function.c (pad_below): Revert 2001-07-26 patch.
1425
1426 Tue Jul 31 15:37:35 CEST 2001  Jan Hubicka  <jh@suse.cz>
1427
1428         * reg-stack (convert_regs_1): Fix best edge condition.
1429
1430 Tue Jul 31 15:33:27 CEST 2001  Jan Hubicka  <jh@suse.cz>
1431
1432         * jump.c (duplicate_loop_exit_test): Better test for jumps
1433         entering the loop; create loop pre_header.
1434
1435 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
1436
1437         * doc/install.texi: Add s390 and s390x as new targets.
1438         * doc/invoke.texi: Add documantation of S/390 and zSeries
1439         target options.
1440         * doc/md.texi: Add documantation of S/390 and zSeries constraints.
1441
1442 2001-07-30  Roman Zippel  <zippel@linux-m68k.org>
1443
1444         * config/m68k/m68k.md: Replace all general_operand with
1445         nonimmediate_operand for all destinations.
1446         * config/m68k/m68k.c (not_sp_operand): Likewise.
1447
1448 Mon Jul 30 23:20:34 EDT 2001  John Wehle  (john@feith.com)
1449
1450         * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
1451
1452 2001-07-30  Richard Henderson  <rth@redhat.com>
1453
1454         * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
1455         * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
1456
1457 2001-07-30  Roman Zippel  <zippel@linux-m68k.org>
1458
1459         * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
1460         Add missing doc strings
1461         * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
1462         * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
1463
1464 Mon Jul 30 22:16:08 CEST 2001  Jan Hubicka  <jh@suse.cz>
1465
1466         * i386.c (ix86_output_main_function_alignment_hack): New function.
1467         (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
1468
1469         * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
1470         edges by EDGE_DFS_BACK flag.
1471         (dump_edge_info): Add dfs_back flag.
1472         * basic-block.h (EDGE_DFS_BACK): New constant.
1473         (mark_dfs_back_edges): Declare.
1474         * alias.c (loop_p): Remove.
1475         (mark_constant_function): Use mark_dfs_back_edges.
1476
1477         * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
1478         (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
1479         (compensate_edge): Break out from ...
1480         (convert_regs_1): ... here; do smart choosing of stack_out to copy.
1481         (convert_regs_2): Set block_done once block is really done;
1482         Do updating of the predecesors counts.
1483
1484         * toplev.c (rest_of_compilation): Recompute block_for_insn
1485         before post-reload cfg_cleanup.
1486         * function.c (thread_prologue_epilogue_insns):
1487         Call set_block_for_new_insns when emitting prologue directly.
1488
1489 2001-07-30  Andreas Jaeger  <aj@suse.de>
1490
1491         * jump.c: Add prototype for mark_modified_reg.
1492
1493         * cse.c (set_live_p): Add unused attribute.
1494
1495         * gcov.c (calculate_branch_probs): Use gcov_type to avoid
1496         overflow.
1497         (scan_for_source_files): Use long for count to avoid overflow.
1498         (output_data): Likewise.
1499         (output_data): Don't use string concatatenation to silence gcc
1500         -traditional.
1501
1502         * predict.c: Fix typos and grammar.
1503
1504         * gcse.c (insert_insn_end_bb): Remove unused variables.
1505
1506 Mon Jul 30 21:54:53 CEST 2001  Jan Hubicka  <jh@suse.cz>
1507
1508         * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
1509         (attempt_auto_inc): LIkewise.
1510         (mark_used_reg): Likewise.
1511         (try_pre_increment_1): Likewise.
1512         * regclass.c (regclass): Likewise.
1513         * global.c (allocno_compare): Update comment; change scaling factor.
1514         * local-alloc.c (QTY_CMP_PRI): Likewise.
1515         * regs.h (REG_FREQ_FROM_BB): New.
1516         (REG_FREQ_MAX): Likewise.
1517
1518 2001-07-30  H.J. Lu <hjl@gnu.org>
1519
1520         * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
1521         -D_GNU_SOURCE.
1522
1523 2001-07-30  H.J. Lu  (hjl@gnu.org)
1524
1525         * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
1526         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
1527         (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
1528
1529 2001-07-30  Nick Clifton  <nickc@cambridge.redhat.com>
1530
1531         * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
1532         as -mthumb-interwork when -mcpu=arm7 is specified.
1533
1534 Mon Jul 30 17:44:43 CEST 2001  Jan Hubicka  <jh@suse.cz>
1535
1536         * predict.def (noreturn, loop branch, loop exit): Mark as first
1537         match heuristics.
1538
1539 Mon Jul 30 12:52:11 CEST 2001  Jan Hubicka  <jh@suse.cz>
1540
1541         * combine.c (try_combine): Avoid barrier after noop jumps.
1542
1543 2001-07-29  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
1544
1545         * cpphash.h (struct cpp_reader): Remove import_warning.
1546         * cpplib.c (skip_rest_of_line): Don't bother turning off
1547         macro expansion.
1548         (parse_include): Move include handling to...
1549         (do_include_common): ... here.  Move import warning from...
1550         (do_import): ... here.
1551         (do_pragma_poison): Don't do a callback for poison identifiers.
1552         * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
1553         * cppmain.c (setup_callbacks): Similarly.
1554
1555 Sun Jul 29 23:26:50 CEST 2001  Jan Hubicka  <jh@suse.cz>
1556
1557         * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
1558         handle multiple sets.
1559         * except.c (sjlj_mark_call_sites): .... here.
1560         * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
1561
1562 Sun Jul 29 21:38:45 CEST 2001  Jan Hubicka  <jh@suse.cz>
1563
1564         Suggested by Richard Henderson and Richard Kenner:
1565         * combine.c (recog_for_combine): Use the fake recog
1566         only if instruction does not match.
1567         * rtl.h (NOOP_MOVE_INSN_CODE): New.
1568         * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
1569
1570         * combine.c (try_combine): Discover noop jump as direct jump.
1571
1572 2001-07-29  Daniel Berlin  <dan@cgsoftware.com>
1573
1574         * df.c (df_rd_global_compute): Add successors to worklist, not
1575         current item.
1576         (df_ru_global_compute): Ditto.
1577
1578 2001-07-27  Daniel Berlin  <dan@cgsoftware.com>
1579
1580         * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
1581         increment REG_N_SETS.
1582
1583 2001-07-26  Daniel Berlin  <dan@cgsoftware.com>
1584
1585         * sbitmap.h: New prototype for sbitmap_a_xor_b.
1586
1587         * sbitmap.c (sbitmap_a_xor_b): New function.
1588         ifdef the basic block stuff on IN_GCC.
1589
1590 2001-07-29  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
1591
1592         * cppexp.c (parse_defined): Always record the macro name.
1593         (lex): Don't worry about identifiers, or special-case
1594         CPP_NOT here.
1595         (_cpp_parse_expr): Figure out at the end of the routine
1596         whether we saw a valid !defined() expression.
1597         * cppfiles.c (stack_include_file): Update for mi_valid.
1598         (_cpp_pop_file_buffer): Similarly.
1599         * cpplex.c (_cpp_lex_token): Similarly.
1600         * cpphash.h (enum mi_state, enum mi_ind, mi_state,
1601         mi_if_not_defined, mi_lexed): Remove.
1602         (mi_valid): New.
1603         * cpplib.c (do_if): Simplify.
1604         (do_endif, push_conditional, _cpp_handle_directive): Update
1605         for renaming of mi_state to mi_valid.
1606 doc:
1607         * cpp.texi: Add index entries for digraphs, and add comment
1608         that C++ refers to them as alternative tokens.
1609
1610 Sun Jul 29 18:59:13 CEST 2001  Jan Hubicka  <jh@suse.cz>
1611
1612         * basic-block.h (CLEANUP_PRE_LOOP): New.
1613         * except.c (finish_eh_generation): Update call of cleanup_cfg.
1614         * sibcall.c (optimize_sibling_calls): Likewise.
1615         * toplev.c (rest_of_compilation): Likewise.
1616         * flow.c (try_forward_edges): Take argument MODE;
1617         do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
1618         (try_optimize_cfg): Update call of try_forward_edges.
1619
1620 Sun Jul 29 18:59:56 CEST 2001  Roman Zippel  <zippel@linux-m68k.org>
1621                                Jan Hubicka  <jh@suse.cz>
1622
1623         * (validate_replace_rtx_1): Fix simplification of MINUS.
1624
1625 2001-07-29  Neil Booth  <neil@daikokuya.demon.co.uk>
1626
1627         PR preprocessor/3669
1628         * cppinit.c (init_dependency_output): Turn off dump requests
1629         if sending dependencies to stdout.
1630
1631 2001-07-28  Richard Henderson  <rth@redhat.com>
1632
1633         * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
1634         not optimizing.
1635
1636 2001-07-28  Golubev I. N.  <gin@mo.msk.ru>
1637
1638         * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
1639
1640 2001-07-28  Kazu Hirata  <kazu@hxi.com>
1641
1642         * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
1643         is VAR_DECL first to prevent an ICE.
1644
1645 2001-07-28  Richard Henderson  <rth@redhat.com>
1646
1647         * varasm.c (immed_real_const_1): Don't elide special cases for
1648         nested functions.
1649         (clear_const_double_mem): Clear const_tiny_rtx too.
1650
1651 2001-07-28  Richard Henderson  <rth@redhat.com>
1652
1653         * dwarf2out.c (dw_val_class_offset): New.
1654         (struct dw_ranges_struct, dw_ranges_ref): New.
1655         (ranges_table, ranges_table_allocated): New.
1656         (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
1657         (add_AT_offset, add_ranges, output_ranges): New.
1658         (print_die, output_die): Handle dw_val_class_offset.
1659         (attr_checksum, size_of_die, value_format): Likewise.
1660         (gen_lexical_block_die): Handle non-contiguous blocks.
1661         (gen_block_die): Likewise.
1662         (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
1663         if needed.  Dump the ranges table.
1664         * final.c (final_start_function): Remove unnecessary notes and
1665         rebuild the block tree before numbering the blocks.
1666         * function.c (reorder_blocks_0): Walk the existing block tree
1667         to unmark all blocks.
1668         (reorder_blocks_1): Create block fragments when duplicate block
1669         notes are seen.
1670         (reorder_fix_fragments): New.
1671         (reorder_blocks): Call it.
1672         * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
1673
1674 2001-07-28  Richard Henderson  <rth@redhat.com>
1675
1676         * emit-rtl.c (adjust_address): Make a copy of the memory address.
1677
1678 2001-07-28  Richard Henderson  <rth@redhat.com>
1679
1680         * flow.c (add_to_mem_set_list): New function.
1681         (init_propagate_block_info): Use it.
1682         (mark_set_1): Likewise.
1683         (insn_dead_p): Canonicalize memory address for dead store
1684         comparison.  Allow wider mode stores to kill narrower mode stores.
1685         (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
1686         (invalidate_mems_from_set): Don't handle MEMs.
1687
1688 2001-07-28  Kazu Hirata  <kazu@hxi.com>
1689
1690         * config/h8300/h8300.h: Fix formatting.
1691
1692 Sat Jul 28 23:35:22 CEST 2001  Jan Hubicka  <jh@suse.cz>
1693
1694         * basic-block.h (EDGE_FREQUENCY): New macro.
1695         * bb-reorder (fixup_reorder_chain): Set counts and frequencies
1696         for new BB/edges.
1697         * flow.c (find_sub_basic_blocks): Likewise.
1698         (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
1699         (redirect_edge_and_branch): Use EDGE_FREQUENCY.
1700
1701         * predict.c (DEF_PREDICTOR): New argument FLAGS.
1702         (HITRATE): New macro.
1703         (PRED_FLAG_FIRST_MATCH): New constant.
1704         (predictor_info): New field flgags.
1705         (combine_predictions_for_insn): Use DS theory to combine
1706         probabilities; set the edge probabilities when finished.
1707         (estimate_probability): Avoid duplicated matches
1708         of LOOP_BRANCH heuristics for nested loops; update comment.
1709         * predict.def: Add flags for each prediction, set probabilities
1710         according to B&L paper.
1711         * predict.h (DEF_PREDICTOR): New argument FLAGS.
1712
1713         * profile.c (compute_branch_probabilities):  Cleanup way the edge
1714         probabilities are computed and REG_BR_PROB notes are dropped; if
1715         values does not match, emit error.
1716         (init_branch_prob): Do error instead of warning when profile driven
1717         feedback is missing or corrupt.
1718
1719 2001-07-27  DJ Delorie  <dj@redhat.com>
1720
1721         * ifcvt.c (noce_get_alt_condition): If the condition is a compare
1722         against a constant, try to adjust the compare to have the desired
1723         constant in it so that min/max optimizations happen more often.
1724
1725 Fri Jul 27 17:53:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
1726
1727         * flow.c (last_loop_beg_note): New function.
1728         (redirect_edge_and_branch): Use it.
1729         (split_edge): Likewise.
1730
1731         * alias.c (loop_p): Avoid uninitialized memory access.
1732
1733         * flow.c (try_forward_edges): Avoid accessing freed memory.
1734
1735         * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
1736         variable access.
1737
1738 2001-07-27  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1739
1740         * doc/install.texi (Configuration): Properly link the host
1741         specific instructions also when generating HTML.
1742
1743 Fri Jul 27 00:33:35 EDT 2001  John Wehle  (john@feith.com)
1744
1745         * flow.c (redirect_edge_and_branch_force): Test
1746         target->global_live_at_start.
1747
1748 2001-07-26  Richard Henderson  <rth@redhat.com>
1749
1750         * simplify-rtx.c (avoid_constant_pool_reference): Export.
1751         * rtl.h (avoid_constant_pool_reference): Declare it.
1752         * dwarf2out.c (add_location_or_const_value_attribute): Use it.
1753         (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
1754
1755 Thu Jul 26 22:30:22 CEST 2001  Jan Hubicka  <jh@suse.cz>
1756
1757         * rtl.h (cleanup_barriers): Declare.
1758         * jump.c (cleanup_barriers): New function.
1759         * toplev.c (rest_of_compilation): Call cleanup_barriers
1760         before loop optimizer and after bb_reorder.
1761
1762         * flow.c (back_edge_of_syntactic_loop_p): New.
1763         (split_edge): Use it.
1764
1765 2001-07-26  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1766
1767         * glimits.h (_MACH_MACHLIMITS_H_): Delete.
1768
1769 Thu Jul 26 22:22:21 2001  Denis Chertykov  <denisc@overta.ru>
1770
1771         * cse.c (cse_process_notes): Replace any registers if the address
1772         remains valid.
1773
1774 Thu Jul 26 14:04:03 EDT 2001  John Wehle  (john@feith.com)
1775
1776         * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
1777         (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
1778         (propagate_block): Update prototype.
1779         * flow.c (update_life_info): Simplify the CFG and
1780         recalculate the global regs which are alive when
1781         removing dead code during a global update.
1782         (propagate_block): Return non-zero if an INSN is
1783         deleted.
1784
1785 2001-07-26  Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1786
1787         * Makefile.in (LIBICONV): Define.
1788
1789 2001-07-26  Catherine Moore  <clm@redhat.com>
1790
1791         * config/v850/v850.h (ENCODE_SECTION_INFO):  Change order
1792         of conditional to avoid tree checking errors.
1793
1794 2001-07-26  Kazu Hirata  <kazu@hxi.com>
1795
1796         * regmove.c (regmove_optimize): Don't replace a reg with
1797         another reg of a different mode.
1798
1799 2001-07-26  Andrew MacLeod  <amacleod@redhat.com>
1800
1801         * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
1802         limit length of dependancy flush list.
1803         * params.h (MAX_PENDING_LIST_LENGTH): Define.
1804         * sched-int.h  (struct deps): Add pending_flush_length field.
1805         * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
1806         has 1 element in it.
1807         (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
1808         (sched_analyze): After a jump, if the pending memory flush list is too
1809         large, flush the pending lists.
1810         (init_deps): Initialize pending_flush_length to 0.
1811         * doc/invoke.texi (max_pending_list_length): Document parameter.
1812
1813 2001-07-26  Neil Booth  <neil@daikokuya.demon.co.uk>
1814
1815         * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
1816         * dbxout.c (dbxout_global_decl): Move outside #ifdef.
1817         * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
1818
1819 2001-07-26  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
1820
1821         * cpphash.h (struct_lexer_state): Delete was_skipping.
1822         Move skipping here from struct cpp_reader.
1823         * cpplex.c (parse_identifier): Update.
1824         (_cpp_lex_token): Don't skip tokens in a directive.
1825         * cpplib.c (struct if_stack): Update.
1826         (start_directive, end_directive): Don't change skipping state.
1827         (_cpp_handle_directive): Update.
1828         (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
1829         (do_else, do_endif): Update; only check for excess tokens if not
1830         in a skipped conditional block.
1831         (push_conditional): Update for new struct if_stack.
1832
1833 2001-07-26  Graham Stott  <grahams@redhat.com>
1834
1835         * function.c (locate_and_pad_parm): Also pad initial offset
1836         so that the total argument size also includes the padding.
1837
1838 2001-07-26  Graham Stott <grahams@redhat.com>
1839
1840         * gensupport.c (alter_output_for_insn): Correct enable checking failure
1841         change XSTR to XTMPL.
1842
1843         (process_one_cond_exec): Likewise
1844
1845 2001-07-25  Richard Henderson  <rth@redhat.com>
1846
1847         * varasm.c (assemble_variable): Create DECL_RTL before setting
1848         TREE_ASM_WRITTEN.
1849
1850 Thu Jul 26 00:19:30 CEST 2001  Jan Hubicka  <jh@suse.cz>
1851
1852         * predict.c (estimate_probability): Avoid duplicated predictions.
1853
1854         * loop.c (find_and_verify_loops): Grok multiple barriers.
1855
1856 Wed Jul 25 18:00:05 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1857
1858         * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
1859
1860         * dbxout.c: Consistently use putc instead of fputc.
1861         (print_wide_int): New function; call instead of direct fprintf.
1862         (dbxout_type_index): Adjust calls of CHARS to be more accurate.
1863         (dbxout_type_fields, dbxout_type_method_1): Likewise.
1864         (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
1865         (print_int_cst_octal): Likewise.
1866         (print_octal): Show we wrote characters.
1867         (dbxout_type): Set have_used_extensions in more places.
1868
1869 2001-07-25  Catherine Moore  <clm@redhat.com>
1870
1871         * config/v850/v850.c (v850_va_arg):  Use addr
1872         instead of valist to build incr.
1873
1874 Wed Jul 25 22:48:59 CEST 2001  Jan Hubicka  <jh@suse.cz>
1875
1876         * flow.c (delete_dead_jumptables): New function.
1877         (life_analyzis): Call it.
1878         * bb-reorder.c (skip_insns_after_block): Handle contradictory
1879         sequences.
1880
1881 2001-07-25  Richard Henderson  <rth@redhat.com>
1882
1883         * except.c (reachable_handlers): Handle a region being removed
1884         out from under a RESX.
1885
1886 2001-07-25  Richard Henderson  <rth@redhat.com>
1887
1888         * config/alpha/alpha.c (alpha_emit_conditional_move): Always
1889         swap GE/GT if it is an fp comparison.
1890
1891 2001-07-25  Andrew Haley  <aph@cambridge.redhat.com>
1892
1893         * alias.c (rtx_equal_for_memref_p): Allow strings as types in
1894         operands.
1895
1896 Wed Jul 25 08:25:01 2001  Jeffrey A Law  (law@cygnus.com)
1897
1898         * ssa.c (rename_insn_1): Do not wrap an assignment to a
1899         paradoxical SUBREG inside a SEQUENCE.  Fix minor formatting
1900         glitch.
1901
1902         * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
1903         throw an exception.
1904         (visit_expression): When attempting to simplify an expression,
1905         retrieve any modes for arguments before they are simplified
1906         to constants.
1907
1908 2001-07-25  Andrew MacLeod  <amacleod@redhat.com>
1909             Janis Johnson  <janis@us.ibm.com>
1910
1911         * stmt.c (expand_goto): A nonlocal goto can be a call too.
1912         * builtins.c (expand_builtin_longjmp): Reverse label and static chain
1913         pointer parameters to match documented usage of nonlocal_goto.
1914         * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
1915         parameters to their correct order.
1916         * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
1917         parameters to their correct order.
1918
1919 2001-07-25  Andrew MacLeod  <amacleod@redhat.com>
1920
1921         * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
1922
1923 2001-07-25  Jan Hubicka  <jh@suse.cz>
1924             Richard Henderson  <rth@redhat.com>
1925
1926         * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
1927         the sequence.
1928         (make_edges): New argument update_p; populate the edge cache if set.
1929         (find_basic_blocks): Update make_edges invocation.
1930
1931 2001-07-24  Joel Sherrill <joel@OARcorp.com>
1932
1933         * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
1934
1935 2001-07-24  Joel Sherrill <joel@OARcorp.com>
1936
1937         * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
1938         -Acpu and -Amachine.h.
1939         * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
1940         Corrected header to say ELF not a.out.
1941         * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
1942         when given -msoft-float.
1943
1944 2001-07-24  Joel Sherrill <joel@OARcorp.com>
1945
1946         * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
1947         extra multilib parts like arm-elf.
1948         (i960-*-coff*, i960-*-rtems): Should not use collect2.
1949         (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
1950         crtfini.o as extra multilib parts.
1951
1952 2001-07-24  Joel Sherrill <joel@OARcorp.com>
1953
1954         * configure.in: Add rtems as a supported thread model.
1955         * gthr-rtems.h: Add missing entry point __gthread_active_p.
1956         * configure: Rebuilt.
1957
1958 2001-07-24  Lars Brinkhoff  <lars@nocrew.org>
1959
1960         * stor-layout.c (get_mode_alignment): make it work when
1961         BITS_PER_UNIT is not a power of two.
1962         * builtins.c (get_pointer_alignment): Likewise.
1963
1964 2001-07-24  Richard Henderson  <rth@redhat.com>
1965
1966         * simplify-rtx.c (avoid_constant_pool_reference): Coerce
1967         the retrieved constant into the expected mode.
1968
1969 Wed Jul 25 01:41:27 CEST 2001  Jan Hubicka  <jh@suse.cz>
1970
1971         * flow.c (try_simplify_condjump): Avoid duplicated edges.
1972         (verify_flow_info): Check for duplicated edges; clarify
1973         error reporting.
1974
1975         * flow.c (block_label): Update basic_block_for_insn.
1976         (commit_edge_insertions): Call compute_bb_for_insn.
1977
1978         * flow.c (purge_dead_edges): Handle conditional jumps and conditional
1979         returns too.
1980
1981         * flow.c (redirect_edge_and_branch,
1982         try_optimize_cfg): Use redirect_edge_succ_nodup
1983         (redirect_edge_succ_nodup): New.
1984         * basic_block.h (redirect_edge_succ_nodup): Declare.
1985
1986         * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
1987         after gcse.
1988
1989 Wed Jul 25 00:32:49 CEST 2001  Jan Hubicka  <jh@suse.cz>
1990
1991         * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
1992         (try_crossjump_to_edge): Update commetns.
1993         (try_crossjump_bb): Likewise.
1994
1995 2001-07-24  Richard Henderson  <rth@redhat.com>
1996
1997         * combine.c (distribute_notes): Move set of need_refresh
1998         for noop_move_p down to catch all cases.
1999
2000 Tue Jul 24 20:32:44 CEST 2001  Jan Hubicka  <jh@suse.cz>
2001
2002         * recog.c (split_all_insns_noflow): New.
2003         * rtl.h (split_all_insns_noflow): Declare.
2004         * ia64.c (ia64_reorg): Use split_all_insns_noflow.
2005         * m68hc11.c (m68hc11_reorg): Likewise.
2006         * sh.c (machine_dependent_reorg): Likewise.
2007         * toplev.c (rest_of_compilation): Likewise for last split_all_insns
2008         call.
2009
2010 2001-07-18  Andrew Haley  <aph@cambridge.redhat.com>
2011
2012         * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
2013         (ashlsi3_n splitter): Likewise.
2014         (lshrsi3_n splitter): Likewise.
2015
2016         (GOTaddr2picreg): Make const SImode.
2017         (sym_label2reg): Likewise.
2018         (symGOT2reg): Likewise.
2019         (symGOTOFF2reg) Likewise.
2020
2021         (casesi_worker_0): Make unspec SImode.
2022
2023 2001-07-18  Andrew Haley  <aph@cambridge.redhat.com>
2024
2025         * config/sh/sh.c (barrier_align): Check that an operand really is
2026         an insn before extracting its INSN_CODE.
2027
2028 2001-07-24  Andrew Haley  <aph@cambridge.redhat.com>
2029
2030         * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
2031         dangling else.
2032
2033         * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
2034         for SImode to prevent overflow.
2035
2036 2001-07-24  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2037
2038         * config/mips/irix6-libc-compat.c: New file.
2039         * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
2040         * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
2041         passing workaround.
2042
2043 2001-07-24  lars brinkhoff  <lars@nocrew.org>
2044
2045         * rtl.texi (REG_POINTER): Document.
2046         (Machine Modes): Document BImode, OImode, PQImode, PHImode,
2047         QFmode, HFmode, TQFmode, QCmode, and HCmode.
2048
2049 Tue Jul 24 10:49:40 CEST 2001  Jan Hubicka  <jh@suse.cz>
2050
2051         * flow.c (delete_noop_moves): Do not confuse libcall regions.
2052
2053 2001-07-23  Richard Henderson  <rth@redhat.com>
2054
2055         * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
2056
2057 2001-07-23  Kazu Hirata  <kazu@hxi.com>
2058
2059         * config/h8300/h8300-protos.h: Add a prototype for
2060         general_operand_dst_push.
2061         * config/h8300/h8300.c (general_operand_dst_push): New.
2062         * config/h8300/h8300.h (OK_FOR_T): New.
2063         (EXTRA_CONSTRAINT): Use it.
2064         * config/h8300/h8300.md (movqi_push): Remove and integrate into
2065         the existing movqi pattern.
2066         (movhi_push): Likewise.
2067
2068         * reload.c: Fix comment typos.
2069
2070 Mon Jul 23 23:34:07 CEST 2001  Jan Hubicka  <jh@suse.cz>
2071
2072         * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
2073
2074 2001-07-23  H.J. Lu  (hjl@gnu.org)
2075
2076         * doc/extend.texi: Update __builtin_return_address and
2077         __builtin_frame_address.
2078
2079 2001-07-23  Richard Henderson  <rth@redhat.com>
2080
2081         * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
2082         before CSE.
2083         * config/i386/i386.md: New setcc+movzbl peephole2.
2084
2085 2001-07-23  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
2086
2087         * objc/Make-lang.in (objc-act.o): Depend on debug.h.
2088         * objc/objc-act.c: Include debug.h.
2089         (synth_module_prologue): Save and restore debug hooks too.
2090
2091 2001-07-23  lars brinkhoff  <lars@nocrew.org>
2092
2093         * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
2094         and C4X_FLOAT_FORMAT.
2095         (BOOL_TYPE_SIZE): Document.
2096
2097 Mon Jul 23 11:54:23 2001  Clinton Popetz  <cpopetz@cpopetz.com>
2098
2099         * unroll.c (loop_iterations): Fix miscalculation of initial
2100         giv offset.
2101
2102 2001-07-13  Andrew Haley  <aph@redhat.com>
2103
2104         * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
2105         * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
2106         * config/sh/sh.c (sh_can_redirect_branch): New function.
2107         * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
2108         * reorg.c (steal_delay_list_from_target): Use
2109         MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
2110
2111 Mon Jul 23 17:20:18 CEST 2001  Jan Hubicka  <jh@suse.cz>
2112
2113         * flow.c (try_simplify_condjump): Unlink insn chain on
2114         fallthru edge; use can_fallthru.
2115
2116 Mon Jul 23 16:03:19 CEST 2001  Jan Hubicka  <jh@suse.cz>
2117
2118         * basic-block.h (find_sub_basic_block): Declare.
2119         * flow.c (make_edges): New arguments MIN and MAX;
2120         (find_sub_basic_blocks): Revamp to use make_edges
2121         and purge_dead_edges.
2122         (find_basic_blocks): Update call of find_sub_basic_block.
2123
2124         * recog.c (split_all_insns): Always expect CFG to be consistent;
2125         call find_sub_basic_blocks in case something has changed.
2126         * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
2127         has been built.
2128
2129         * basic-block.h (delete_noop_moves): Declare.
2130         * combine.c (combine_instructions): Call it.
2131         (recog_for_combine): Tolerate noop moves
2132         (distribute_notes): Force refresh when register dies at noop move.
2133         * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
2134         too.
2135         (life_analysis): Update delete_noop_moves call.
2136         (set_noop_p): Move too ...
2137         * rtlanal.c (noop_move_p): ... here.
2138         * rtl.h (noop_move_p): Declare.
2139
2140         * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
2141         * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
2142         after combine.
2143         * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
2144         (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
2145
2146 2001-07-23  Hans-Peter Nilsson  <hp@bitrange.com>
2147
2148         * reload.c (push_reload): Fix typo in comment.
2149         (find_reloads_address): Ditto.
2150         (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
2151
2152 2001-07-22  Richard Henderson  <rth@redhat.com>
2153
2154         * flow.c: Grammar check and clarify a lot of comments.
2155         (try_simplify_condjump): Rename variables to be clearer.
2156         (try_forward_edges): Skip complex and fallthru edges.
2157         Rearrange tests to avoid duplicate checks.
2158         (flow_find_cross_jump): Likewise.
2159         (outgoing_edges_match): Allow match if neither branch has
2160         probability data.  Loosen probability match to 5%.
2161         (try_crossjump_to_edge): Hoist repeated indirection into
2162         local variables.
2163         (try_crossjump_bb): Don't check complex edges.  Eliminate
2164         redundant crossjump tests.
2165         (try_optimize_cfg): Fix use of bool.  Reorganize cheaper
2166         checks before more expensive checks.
2167
2168 2001-07-22  Richard Henderson  <rth@redhat.com>
2169
2170         * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
2171         INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
2172         arguments.
2173
2174 2001-07-22  Richard Henderson  <rth@redhat.com>
2175
2176         * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
2177         (const_sint32_operand): Likewise.
2178         * m68k.md (anon mulsi pattern): Use const_int_operand not
2179         const_sint32_operand.
2180         (umulsi3_highpart): Zero extend a constant input.
2181         (smulsi3_highpart): Don't bother checking SImode constant.
2182         (const_umulsi3_highpart): Give op3 DImode.
2183         (const_smulsi3_highpart): Likewise.
2184
2185 2001-07-22  Richard Henderson  <rth@redhat.com>
2186
2187         * flow.c (split_block): Make sure bb_note is included in the
2188         new block when splitting before a label.
2189
2190 Sun Jul 22 23:28:56 CEST 2001  Jan Hubicka  <jh@suse.cz>
2191
2192         * basic-block.h (redirect_edge_and_branch_force,
2193         redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
2194         * flow.c (redirect_edge_and_branch_force,
2195         redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
2196         (redirect_edge_and_branch_force): Fix copying of lifeness information.
2197         (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
2198         * ifcvt.c (dead_or_predictable): Take BB as an new destionation
2199         instead of label; update CFG after transformation.
2200         (find_if_case_1): Update call, use redirect_edge_and_branch_force
2201         for finishing the transformation; handle even case where ELSE
2202         does not follow THEN.
2203         (find_if_case_2): Update call of dead_or_predictable; simplify
2204         CFG update.
2205
2206         * emit-rtl.c (split_branch_probability): New global variable.
2207         (try_split): Take care to set split_branch_probability and
2208         create REG_BR_PROB note for new jump insns.
2209         * md.texi (define_split): Document new feature.
2210
2211         * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
2212
2213 2001-07-22  Neil Booth  <neil@daikokuya.demon.co.uk>
2214
2215         * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
2216         (asm_out_file): Remove redundant declaration.
2217         (assemble_asm): Remove old #if 0 block.
2218         (assemble_variable): Remove end of function; debug output is
2219         now handled with global_decl.  Remove old #if 0 block.  Update.
2220         Remove saved_in_section and associated no-op code.
2221         * Makefile.in (varasm.o): Correct dependencies.
2222
2223 Sun Jul 22 17:55:11 2001  Alexandre Oliva  <aoliva@redhat.com>
2224
2225         * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
2226         the definition in defaults.h.
2227
2228 Sun Jul 22 21:31:04 CEST 2001  Jan Hubicka  <jh@suse.cz>
2229
2230         * jump.c: Update comments.
2231         (delete_barrier_successors, delete_unreferenced_labels,
2232         delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
2233         delete_labelref_insn, redirect_tablejump, jump_optimize_1,
2234         jump_optimize, jump_optimize_minimal): Kill.
2235         (rebuild_jump_labels): Move code from jump_optimize_1.
2236         (purge_line_number_notes): Likewise.
2237         (copy_loop_headers): Likewise.
2238         * reg-stack.c: Update comment.
2239         * stmt.c: Likewise.
2240         * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
2241         JUMP_AFTER_REGSCAN): Kill.
2242         * toplev.c (rest_of_compilation): Use cleanup_cfg, call
2243         purge_line_number_notes and copy_loop_headers.
2244
2245 2001-07-22 Neil Booth  <neil@daikokuya.demon.co.uk>
2246            Richard Henderson  <rth@redhat.com>
2247
2248         * dbxout.c (dbxout_global_decl): New.
2249         (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2250         * sdbout.c (sdbout_finish): New.
2251         (sdbout_debug_hooks): Use it, add comments.
2252         (sdbout_global_decl): Defer initialised public vars to
2253         sdbout_finish.
2254         * varasm.c (assemble_variable): Don't output debug information
2255         for file-scope variables.
2256
2257 2001-07-22  Richard Henderson  <rth@redhat.com>
2258
2259         * config/alpha/alpha.c (get_trap_mode_suffix): New.
2260         (get_round_mode_suffix): New.
2261         (print_operand): Use them for [/].  Remove support for [&'`()+].
2262         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
2263         * config/alpha/alpha.md (attr round_suffix): New.
2264         (attr trap_suffix): New.
2265         (all insns): Set them appropriately.  Use %/ instead of the
2266         myriad punctuators.
2267
2268 2001-07-22  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
2269
2270         * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
2271
2272 2001-07-22  Richard Henderson  <rth@redhat.com>
2273
2274         * regrename.c (regrename_optimize): Compute nregs for each
2275         potential target register.
2276
2277 2001-07-21 Neil Booth  <neil@daikokuya.demon.co.uk>
2278            Richard Henderson  <rth@redhat.com>
2279
2280         * dbxout.c (dbxout_global_decl): New.
2281         (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2282         * sdbout.c (sdbout_finish): New.
2283         (sdbout_debug_hooks): Use it, add comments.
2284         (sdbout_global_decl): Defer initialised public vars to
2285         sdbout_finish.
2286         * varasm.c (assemble_variable): Don't output debug information
2287         for file-scope variables.
2288
2289 2001-07-21  H.J. Lu  (hjl@gnu.org)
2290
2291         * config/mips/mips.c (mips_cpu): Moved into ...
2292         (override_options): Here.
2293
2294         * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
2295         mips_tune.
2296         (mips_cpu): Removed.
2297
2298 2001-07-21  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
2299
2300         * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
2301         ("iorqi3"): Likewise.
2302         ("xorqi3"): Likewise.
2303         ("*addhi3"): Fix constraint to avoid reloading in a soft register.
2304         ("*subhi3_sp): Likewise.
2305         ("*subhi3"): Likewise.
2306         ("extendhisi2"): Accept D, X and Y as source operand to avoid
2307         reload problems.
2308
2309 2001-07-21  Nathan Sidwell  <nathan@codesourcery.com>
2310
2311         * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
2312         * config/freebsd.h: Likewise.
2313         * config/linux.h: Likewise.
2314         * config/openbsd.h: Likewise.
2315         * config/alpha/linux-elf.h: Likewise.
2316         * config/arm/linux-elf.h: Likewise.
2317         * config/d30v/d30v.h: Likewise.
2318         * config/fr30/fr30.h: Likewise.
2319         * config/ia64/aix.h: Likewise.
2320         * config/ia64/ia64.h: Likewise.
2321         * config/mips/linux.h: Likewise.
2322         * config/pj/pj.h: Likewise.
2323         * config/rs6000/linux.h: Likewise.
2324         * config/sparc/linux.h: Likewise.
2325         * config/sparc/linux64.h: Likewise.
2326
2327 2001-07-20  Bruce Korb  <bkorb@gnu.org>
2328
2329         * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
2330         because getc() and char* may disagree on signedness.
2331
2332 2001-07-20  Richard Henderson  <rth@redhat.com>
2333
2334         * doc/rtl.texi (REG_DEAD): Update for current semantics.
2335
2336         * flow.c (try_redirect_by_replacing_jump): Correctly compute which
2337         insns to delete in the presence of cc0 in a jump insn.
2338
2339 Fri Jul 20 22:14:49 CEST 2001  Roman Zippel  <zippel@linux-m68k.org>
2340                                Jan Hubicka  <jh@suse.cz>
2341
2342         * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
2343         of doing the change by hand.
2344
2345 Fri Jul 20 21:59:42 CEST 2001  Jan Hubicka  <jh@suse.cz>
2346
2347         * rtlanal.c (set_noop_p): Return true for noop jumps.
2348
2349         * expr.c (emit_single_push_insn): Add call to push expander.
2350         * expr.h (optab_index): Add OTI_push
2351         (push_optab): New constant.
2352         * genopinit.c (optabs): Add push_optab.
2353         * optabs.c (init_optab): Init push optab.
2354         * md.texi (push??1): Document
2355
2356 2001-07-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
2357
2358         * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
2359         expand to emit the pattern; put a REG_INC note for push/pop
2360         instructions.
2361         ("movdf", "movdf_internal"): Likewise.
2362         ("movsi", "movsi_internal"): Likewise.
2363         ("movsf", "movsf_internal"): Likewise.
2364         ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
2365
2366 2001-07-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
2367
2368         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
2369         gen_highpart.
2370
2371 2001-07-20  Daniel Berlin  <dan@cgsoftware.com>
2372
2373         * params.def: Change default max inline insns to 100.
2374
2375 2001-07-20  Diego Novillo  <dnovillo@redhat.com>
2376
2377         * combine.c (combine_simplify_rtx): Generate a new shift operation
2378         when simplifying the first operand of a (neg (ashift)) expression.
2379
2380 2001-07-20  Roman Lechtchinsky  <rl@cs.tu-berlin.de>
2381
2382         * regclass.c (N_REG_INTS): Use only 32 bits per element.
2383
2384 2001-07-20  Kelley Cook  <kelley.cook@home.com>
2385
2386         * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
2387         information.   Move rest into ...
2388         (*-*-solaris): ... here.  Eliminate redundant information and
2389         reword necessary packages section.  Delete 4.x assembler bug info.
2390         (sparc-sun-*): Merge into ...
2391         (sparc-sun-sunos*): here.
2392
2393 2001-07-20  Catherine Moore  <clm@redhat.com>
2394
2395         * config/v850/v850.md (casesi): Generate LABEL_REF
2396         with Pmode.
2397
2398 Fri Jul 20 14:12:57 CEST 2001  Jan Hubicka  <jh@suse.cz>
2399
2400         * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
2401         * i386.c (ix86_zero_extend_to_Pmode): Make global.
2402         * i386.md (strclrsi expander): Use it.
2403
2404 Fri Jul 20 13:24:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
2405
2406         * integrate.c (copy_insn_list): handle
2407         NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
2408         (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
2409         identically as to CODE_LABEL.
2410
2411         * fold-const (fold): Convert A/B/C to A/(B*C) and
2412         A/(B/C) to (A/B)*C
2413
2414         * except.c (connect_post_landing_pads): Delete the RESX insns.
2415
2416 2001-07-20  Aldy Hernandez  <aldyh@redhat.com>
2417
2418         * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
2419
2420         * config/mips/mips.md (nmadd/nmsub): Use macro.
2421
2422 2001-07-20  Nathan Sidwell  <nathan@codesourcery.com>
2423
2424         * cppinit.c (remove_dup_dir): Make static.
2425         (remove_dup_dirs): Make static. Only warn about preempting a
2426         system directory with a non-system directory.
2427
2428 2001-07-19  Geoffrey Keating  <geoffk@redhat.com>
2429
2430         * ifcvt.c (noce_try_store_flag_constants): Correct order
2431         of parameters to trunc_int_for_mode.
2432
2433 2001-07-19  Mark Mitchell  <mark@codesourcery.com>
2434
2435         * reorg.c (fill_simple_delay_slots): If an instruction might throw
2436         an exception that will be caught within this function, do not fill
2437         its delay slot with any subsequent instruction.
2438
2439 2001-07-19  Steve Ellcey <sje@cup.hp.com>
2440
2441         * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
2442         * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
2443         pointer extension instruction.
2444         * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
2445         * simplify-rtx.c (simplify_unary_operation) Likewise.
2446         * explow.c (convert_memory_address) Check value of
2447         POINTERS_EXTEND_UNSIGNED to avoid some conversions when
2448         less than zero.
2449         * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
2450         MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
2451         * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
2452         Add Multilib Support.
2453         (POINTERS_EXTEND_UNSIGNED)  Define for ILP32 support.
2454         * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
2455         Add Multilib Support.
2456         (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
2457         support.
2458         * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
2459         * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
2460         a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
2461
2462 2001-07-19  Alexandre Oliva  <aoliva@redhat.com>
2463
2464         * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
2465         old and new operands in `<', `3' and `b'.
2466
2467 2001-07-19  Neil Booth  <neil@daikokuya.demon.co.uk>
2468
2469         * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
2470         (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
2471         (toplev.o): Don't depend on xcoffout.h.
2472         * c-decl.c: Include debug.h
2473         (duplicate_decls): Use debug hook.
2474         * dbxout.c (dbxout_source_file, dbxout_args): Make static.
2475         (dbx_debug_hooks, xcoff_debug_hooks): Update.
2476         (dbxout_types): Remove.
2477         * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
2478         * debug.c (do_nothing_debug_hooks): Update.
2479         (debug_true_tree, debug_nothing_rtx): New.
2480         * debug.h (struct rtx_def): New.
2481         (struct gcc_debug_hooks): New hooks ignore_block,
2482         outlining_inline_function and label.
2483         (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
2484         dwarf2out_frame_finish): New.
2485         * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
2486         Make static, update prototype.
2487         (dwarf2_debug_hooks): Update.
2488         * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
2489         dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
2490         * dwarfout.c (dwarf_debug_hooks): Update.
2491         * emit-rtl.c: Include debug.h.
2492         (remove_unnecessary_notes): Use debug hook.
2493         * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
2494         (final_scan_insn): Use debug hook.
2495         * integrate.c (output_inline_function): Use debug hook.
2496         * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
2497         (sdb_debug_hooks): Update.
2498         * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
2499         * toplev.c: Don't include xcoffout.h.
2500         (note_outlining_of_inline_function, debug_ignore_block): Remove.
2501         * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
2502         Remove.
2503         * tree.h (dwarf2out_do_frame): Remove.
2504
2505 2001-07-19  Catherine Moore  <clm@cygnus.com>
2506
2507         * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
2508
2509 2001-07-19  Geoffrey Keating  <geoffk@redhat.com>
2510
2511         * reload1.c (eliminate_regs_in_insn): When updating a set
2512         to the frame pointer to the hardware frame pointer, perform
2513         the update always not just when REPLACE is set.
2514
2515         * reload1.c (choose_reload_regs): Don't inherit a reload
2516         that crosses multiple registers if registers past the first
2517         don't fit in the desired class.
2518
2519         * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
2520         when negating constants.
2521
2522 2001-07-19  Toon Moene  <toon@moene.indiv.nluug.nl>
2523
2524         * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
2525         * doc/tree.texi: Ditto.
2526
2527 2001-07-19  Mark Kettenis  <kettenis@wins.uva.nl>
2528             Jakub Jelinek  <jakub@redhat.com>
2529
2530         * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
2531         (extract_cie_info): Handle "eh" augmentation properly,
2532         remember eh_ptr.
2533         (struct frame_state, __frame_state_for): New.
2534
2535 2001-07-19  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2536
2537         * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
2538         HANDLE_SYSV_PRAGMA): Define.
2539         * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
2540         previous args.
2541         (copy_object): Caller changed.
2542
2543 2001-07-19  Andreas Schwab  <schwab@suse.de>
2544
2545         * configure.in (assembler dwarf2 debug_line support): Define nop
2546         insn for m68k.
2547         * configure: Regenerated.
2548
2549 2001-07-19  Neil Booth  <neil@daikokuya.demon.co.uk>
2550
2551         * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
2552         dwarfout.h.
2553         * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
2554         to conditionally compiled block.
2555         (dbx_debug_hooks, xcoff_debug_hooks): Update.
2556         * dbxout.h (dbxout_function): Remove.
2557         * debug.c (do_nothing_debug_hooks): Update.
2558         * debug.h (struct gcc_debug_hooks): New hooks function_decl,
2559         global_decl, deferred_inline_function.
2560         * dwarf2out.c (dwarf2_debug_hooks): Update.
2561         (dwarf2out_global_decl): New.
2562         * dwarfout.c: Don't include dwarfout.h.
2563         (dwarfout_global_decl, dwarfout_function_decl,
2564         dwarfout_deferred_inline_function): New.
2565         (dwarf_debug_hooks): Update.
2566         * dwarfout.h: Remove.
2567         * final.c: Don't include dwarfout.h.
2568         * sdbout.c (sdbout_global_decl): New.
2569         (sdbout_debug_hooks): Update.
2570         * toplev.c: Don't include dwarfout.h.
2571         (check_global_declarations, rest_of_compilation): Use new debug hooks.
2572         (note_deferral_of_defined_inline_function): Remove.
2573         * toplev.h (note_deferral_of_defined_inline_function): Remove.
2574         * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
2575         * ch/lex.c: Don't include dwarfout.h.
2576         * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
2577         (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
2578         * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
2579         * cp/optimize.c: Include debug.h.
2580         (maybe_clone_body): Use debug hook.
2581         * cp/semantics.c: Include debug.h.
2582         (expand_body): Use debug hook.
2583         * po/POTFILES.in: Remove dwarfout.h.
2584
2585 2001-07-19  Neil Booth  <neil@daikokuya.demon.co.uk>
2586
2587         * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
2588         * c-parse.in (yyerror, _yylex): Similarly.
2589         * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
2590         Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
2591         Update comments.
2592         * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
2593         * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
2594
2595 2001-07-18  Jeff Sturm  <jsturm@one-point.com>
2596
2597         * dwarf2out.c (dwarf2out_abstract_function): Don't emit
2598         in-class declaration at -g1.  Fixes c++/2814.
2599
2600 2001-07-18  Richard Henderson  <rth@redhat.com>
2601
2602         * doc/md.texi (reload_in/out): Document restrictions in predicates
2603         and constraints for these patterns.  Document empty string matching
2604         ALL_REGS.
2605
2606 2001-07-18  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2607
2608         * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
2609
2610 Wed Jul 18 20:47:36 CEST 2001  Jan Hubicka  <jh@suse.cz>
2611
2612         * cse.c: Undo my previous patch.
2613
2614 2001-07-18  Tom Tromey  <tromey@redhat.com>
2615
2616         For PR java/2812:
2617         * configure: Rebuilt.
2618         * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
2619         instead.
2620         * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
2621
2622 Wed Jul 18 18:46:30 CEST 2001  Richard Henderson <rth@cygnus.com>
2623                                Jan Hubicka  <jh@suse.cz>
2624
2625         * flow.c (redirect_edge_and_branch): Bail out on complex edges.
2626         (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
2627         * jump.c (mark_jump_label): Do not forward branches.
2628
2629 Wed Jul 18 18:35:01 CEST 2001  Jan Hubicka  <jh@suse.cz>
2630
2631         * cse.c (delete_trivially_dead_insns): Delete the libcall block
2632         when return value is unused.
2633
2634 Wed Jul 18 18:28:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
2635
2636         * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
2637
2638 Wed Jul 18 12:05:29 2001  Nicola Pero  <n.pero@mi.flashnet.it>
2639
2640         * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
2641         on error.  We can't blindly return the result of
2642         pthread_mutex_trylock because it returns a positive number on
2643         error, while we must return -1 on error.
2644         (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
2645         fixes.
2646         Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
2647
2648 2001-07-18  Andreas Jaeger  <aj@suse.de>
2649
2650         * integrate.c (output_inline_function): Correct type of debug_hooks.
2651
2652 2001-07-18  Toon Moene  <toon@moene.indiv.nluug.nl>
2653
2654         * combine.c (combine_simplify_rtx): DIV can be treated
2655         associatively for floats if unsafe math optimisations are enabled.
2656
2657 2001-07-17  Richard Henderson  <rth@redhat.com>
2658
2659         * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
2660
2661 2001-07-17  Richard Henderson  <rth@redhat.com>
2662
2663         * calls.c (prepare_call_address): New parameter SIBCALLP.  If true,
2664         don't force the function address into a register.
2665         (expand_call, emit_library_call_value_1): Update callers.
2666         * builtins.c (expand_builtin_apply): Likewise.
2667         * expr.h (prepare_call_address): Update decl.
2668
2669 2001-07-17  Chandrakala Chavva  <cchavva@redhat.com>
2670
2671         * config.gcc: For *-*-chorusos triplet, get chorus.h file from
2672         config directory.
2673         * config/i386/chorus.h: Move up.
2674         * config/sparc/chorus.h: Likewise.
2675         * config/rs6000/chorus.h: Likewise.
2676         * config/chorus.h: Moved here.
2677
2678 2001-07-17  Andreas Schwab  <schwab@suse.de>
2679
2680        * configure.in  (assembler eh_frame optimization): Handle big
2681        endian.
2682        * configure: Regenerated.
2683
2684 Tue Jul 17 23:43:31 CEST 2001  Jan Hubicka  <jh@suse.cz>
2685
2686         * expr.c (epxand_expr): Convert divisions into multiplications by
2687         reciprocals if -ffast-math.
2688
2689 2001-07-17  Neil Booth  <neil@daikokuya.demon.co.uk>
2690
2691         * dbxout.c (dbxout_really_begin_function): Rename to
2692         dbxout_begin_function.
2693         (dbx_debug_hooks, xcoff_debug_hooks): Update.
2694         (dbxout_begin_function): Remove.
2695         (dbxout_function): Update.
2696         (dbxout_source_line): Update prototype.
2697         * dbxout.h (dbxout_begin_function): Remove.
2698         * debug.c (do_nothing_debug_hooks): Update.
2699         (debug_nothing_tree): Update.
2700         (debug_nothing_charstar_rtx): Remove.
2701         * debug.h (union tree_node): Declare.
2702         (struct rtx_def): Remove.
2703         (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
2704         begin_function.  Change source_line prototype.
2705         (debug_nothing_tree): New.
2706         (debug_nothing_charstar_rtx): Delete.
2707         (dwarf2out_begin_prologue): Moved from ...
2708         * tree.h: ... here.
2709         * dwarf2out.c (dwarf2_debug_hooks): Update.
2710         (dwarf2out_begin_prologue): Update prototype.  If genuine dwarf2
2711         debug info, call dwarf2out_source_line.
2712         (dwarf2out_souce_line): Update prototype.
2713         * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
2714         Change prototype, make static.
2715         (dwarfout_source_line): Update prototype.
2716         (dwarf_debug_hooks): Update.
2717         * dwarfout.h (dwarfout_begin_function): Remove.
2718         * final.c (final_start_function, final_scan_insn): Use appropriate
2719         debug hooks, update to use notice_source_line.
2720         (output_source_line): Rename notice_source_line.  Don't call the
2721         source_line debug hook.
2722         * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
2723         make static, update prototype.
2724         (sdbout_mark_begin_function): Rename sdbout_begin_function, update
2725         prototype.
2726         (sdbout_end_prologue): New.
2727         (sdbout_source_line): Update prototype.
2728         (sdbout_debug_hooks): Update.
2729         (sdbout_symbol): Remove unused var.
2730         * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
2731         Delete.
2732         * varasm.c: Include debug.h.
2733         (assemble_start_function): Use begin_function debug_hook.
2734         * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2735         update with prototype.
2736         (xcoffout_source_line): Update prototype.
2737         * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2738         update prototype.
2739         (xcoffout_source_line): Update prototype.
2740
2741 2001-07-17  Richard Henderson  <rth@redhat.com>
2742
2743         * c-typeck.c (build_binary_op): Do not shorten unsigned
2744         right shift after sign extension.
2745
2746 Tue Jul 17 16:56:05 CEST 2001  Jan Hubicka  <jh@suse.cz>
2747
2748         * combine.c (combine_simplify_rtx): Attempt to simplify
2749         a*(b/c) as (a*b)/c for floats in unsafe_math mode.
2750
2751         * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
2752         (simplify_binary_operation, simplify_unary_operation,
2753          simplify_relational_operation): Use it.
2754
2755         * combine.c (combine_simplify_rtx): Don't do associative law
2756         on divisions; allow associative law on floats.
2757
2758 2001-07-17  H.J. Lu <hjl@gnu.org>
2759             Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2760
2761         * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
2762         ASM_OUTPUT_WEAK_ALIAS are defined.
2763         * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
2764         * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
2765         Moved ...
2766         * config/mips/iris5.h: ... here.
2767         (HANDLE_SYSV_PRAGMA): Defined as 1.
2768         * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
2769         * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
2770         symbol.
2771
2772 2001-07-17  Joseph S. Myers  <jsm28@cam.ac.uk>
2773
2774         * c-parse.in (all_prefix_attributes): New variable.
2775         (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
2776         (maybe_resetattrs): New production.
2777         (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
2778         maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
2779         notype_initdcl, nested_function, notype_nested_function,
2780         component_decl, components, components_notype,
2781         component_declarator, component_notype_declarator,
2782         absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
2783         ivars, mydecl, myparm): Update.  Avoid prefix attributes just
2784         after a comma being applied to more than one declarator.
2785         * doc/extend.texi (Attribute Syntax): Update.  Remove
2786         documentation of bugs that are no longer present.
2787
2788 2001-07-13  Eric Christopher  <echristo@redhat.com>
2789
2790         * config/mips/mips.h: Change TUNE_MIPS* options to use
2791         mips_tune.
2792         (EXTRA_SPECS): Add cc1_cpu_spec.
2793         * config/mips/mips.md (muldf3): Fix typo.
2794
2795 2001-07-16  Richard Henderson  <rth@redhat.com>
2796
2797         * config/m68k/m68k.c: Include expr.h and reload.h.
2798         (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
2799         [general int]: Use HOST_WIDE_INT_PRINT_DEC.
2800
2801 2001-07-16  Daniel Berlin  <dan@cgsoftware.com>
2802             Richard Henderson  <rth@redhat.com>
2803
2804         * cse.c (set_live_p): Take INSN argument for cc0; update callers.
2805         (insn_live_p): Fix fall off end of function.
2806         (dead_libcall_p): Remove COUNTS argument; update callers.
2807         (delete_trivially_dead_insns): Remove unused variables.
2808
2809 2001-07-17  Andreas Jaeger  <aj@suse.de>
2810
2811         * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
2812         x86-64 pic support.
2813
2814         * lcm.c (optimize_mode_switching): Avoid warning for unused
2815         variable if !NORMAL_MODE.
2816
2817         * flow.c (try_crossjump_to_edge): Remove unused variable.
2818
2819 2001-07-16  John David Anglin  <dave@hiauly1.hia.nrc.ca>
2820
2821         * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
2822         atexit declaration in stdlib.h.
2823
2824 2001-07-16  Richard Begg  <Richard.Begg@colesmyer.com.au>
2825
2826         * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
2827
2828 Mon Jul 16 22:48:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
2829
2830         * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
2831         * except.c (finish_eh_generation): Update call of cleanup_cfg;
2832         do rebuild_jump_labels instead of jump_optimize
2833         * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
2834         * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
2835         * flow.c (try_optimize_cfg): Remove unneeded code_labels.
2836
2837         * flow.c: Include timevar.h
2838         (find_basic_block): Push/pop timevar;
2839         (cleanup_cfg): Likewise.
2840         * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
2841         * Makefile: Add dependencies on timevar.h
2842
2843         * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
2844         (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
2845
2846         * rtl.h (delete_trivially_dead_insns): Add new parameter.
2847         * toplev.c (rest_of_compilation): Update calls.
2848         * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
2849         (delete_trivially_dead_insns): ... here; accept new argument
2850         preserve_basic_blocks; preserve basic blocks if set.
2851
2852         * reg-stack.c (stack_regs_mentioned): Return 0 if
2853         stack_regs_mentioned_data is not initialized.
2854         (reg_to_stack): Make stack_regs_mentioned survive after the
2855         reg-stack is completted; do not call cleanup_cfg.
2856         * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
2857         make cleanup_cfg after bb-reorder to output to debug file.
2858
2859 2001-07-16  Richard Henderson  <rth@redhat.com>
2860
2861         * regclass.c (init_reg_sets): Use only 32 bits per initializer
2862         from int_reg_class_contents.
2863
2864 2001-07-16  Richard Henderson  <rth@redhat.com>
2865
2866         * hard-reg-set.h (regs_invalidated_by_call): Declare.
2867         * regclass.c (regs_invalidated_by_call): Move from cse.c.
2868         (init_reg_sets_1): Move initialization from cse_main.
2869         * cse.c (regs_invalidated_by_call): Move to regclass.c.
2870         (cse_main): Move its initialization also.
2871         * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
2872         * flow.c (propagate_one_insn): Likewise.
2873         * gcse.c (compute_hash_table): Likewise.
2874         (compute_kill_rd, compute_store_table): Likewise.
2875         * sched-deps.c (sched_analyze_1): Likewise.
2876
2877 Mon Jul 16 18:07:07 2001  J"orn Rennecke <amylaar@redhat.com>
2878
2879         * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
2880         gen_rtx_SET.
2881
2882 2001-07-16  Steve Ellcey <sje@cup.hp.com>
2883
2884         * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
2885         in if statement so we don't access undefined memory.
2886
2887 2001-07-16  Daniel Berlin  <dan@cgsoftware.com>
2888
2889         * gcse.c: Update comment at top.
2890         Update comment on mem handling.
2891         mem_last_set, mem_first_set, mem_set_in_block: gone.
2892         Declaration of reg_set_info: gone.
2893         (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
2894         pointless with load_killed_in_block_p (they are *more*
2895         conservative then it, not less, and less accurate).
2896         (oprs_not_set_p): Ditto.
2897         (alloc_gcse_mem): Don't allocate mem_set_in_block
2898         (free_gcse_mem): Don't free it, either.
2899         (record_last_mem_set_info): Update comment in front, remove
2900         mem_*set_* stuff. Note the reason we don't handle stores directly
2901         here.
2902         (compute_hash_table): Update comments to reflect reality. Remove
2903         mem_*set_* references.
2904         (reset_opr_set_tables): Remove mem_*set_* references.
2905         (mark_call): Ditto.
2906         (mark_set): Ditto.  Also remove double sets of bitmaps for REG's.
2907         (mark_clobber): Ditto (on both parts, we double set here too).
2908         (expr_killed_p): Remove mem_set_in_block test.
2909         (compute_transp): Remove mem_set_in_block test.
2910
2911         * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
2912         of edge, and removal of phi alternative to dump file.
2913         (ssa_ccp_substitute_constants): Add note about register now being
2914         constant, and which uses were replaced in what insns to dump file.
2915
2916 2001-07-16  Andreas Jaeger  <aj@suse.de>
2917
2918         * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
2919         variables of type HOST_WIDEST_INT.
2920
2921         * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
2922         (__bb_exit_func): Correct type of count_max to avoid overflow.
2923         (num_digits): Handle long long argument.
2924
2925         * combine.c (gen_lowpart_for_combine): Remove unused variable.
2926
2927 2001-07-16  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
2928
2929         * output.h (sdb_begin_function_line): Restore as an extern
2930         variable.
2931         * sdbout.c (sdb_begin_function_line): Make extern.
2932
2933 2001-07-15  Richard Henderson  <rth@redhat.com>
2934
2935         * machmode.def (Pmode): Redefine if GENERATOR_FILE.
2936         * genrecog.c (maybe_both_true_mode): New.
2937         (maybe_both_true_2): Use it.
2938         (write_switch): Don't put Pmode in a switch.
2939         * rtl.c (mode arrays): Don't explicitly size them.
2940
2941 Sun Jul 15 14:07:36 CEST 2001  Jan Hubicka  <jh@suse.cz>
2942
2943         * toplev.c (rest_of_compilation): Fix register_life_up_to_date
2944         handling; move unconditional splitting before mode switching.
2945
2946         * i386.md (type): Add fistp type.
2947         (i387, length_attr, scheduling definitions): Handle this type.
2948         (fix_trunc?f?i2): Revamp to use mode switching.
2949         (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
2950         * i386.h (fp_cw_mode): New enum
2951         (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
2952         MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
2953
2954 Sun Jul 15 12:53:51 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2955
2956         * Makefile.in (integrate.o): Add debug.h.
2957         * integrate.c (debug.h): Add.
2958         (output_inline_function): Save, reset, and restore debug_hooks.
2959
2960 2001-07-15  Richard Henderson  <rth@redhat.com>
2961
2962         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
2963         instead of COMPARE for the EQUIV expression.
2964
2965 2001-07-15  Richard Henderson  <rth@redhat.com>
2966
2967         * flow.c (redirect_edge_and_branch_force): Initialize
2968         global_live_at_start and global_live_at_end.
2969         (allocate_bb_life_data): Export.
2970         * basic-block.h (allocate_bb_life_data): Declare.
2971         * toplev.c (rest_of_compilation): Call it.
2972
2973 2001-07-15  Richard Henderson  <rth@redhat.com>
2974
2975         * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
2976         (alpha_tablejump_best_label): New.
2977         * config/alpha/alpha-protos.h: Declare them.
2978         * config/alpha/alpha.md: Use braced strings for code blocks.
2979         (tablejump_osf): Break out add with r29.
2980         (tablejump_osf_internal): Remove.
2981         (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
2982         use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
2983
2984 Sun Jul 15 00:53:35 CEST 2001  Jan Hubicka  <jh@suse.cz>
2985
2986         * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
2987         of the movable.
2988
2989         * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
2990
2991         * i386-protos.h (ix86_split_fp_branch): Update prototype.
2992         (ix86_fp_jump_nontrivial_p): New.
2993         * i386.md (fp_jcc_?): Update call of split_fp_branch;
2994         use ix86_fp_jump_nontrivial_p.
2995         * i386.c (ix86_fp_jump_nontrivial_p): New.
2996         (ix86_split_fp_branch): Accept code instead of rtx.
2997         (ix86_expand_compare): Expand comparison early in case
2998         doing so is resonably cheap.
2999
3000 2001-07-15  Nick Clifton  <nickc@cambridge.redhat.com>
3001
3002         * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
3003         not 'machine'.
3004         (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
3005         (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
3006
3007 2001-07-15  Neil Booth  <neil@daikokuya.demon.co.uk>
3008
3009         * dbxout.c (dbxout_source_line): Make static, update prototype.
3010         (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
3011         (dbxout_init, dbxout_finish, dbxout_source_line,
3012         dbxout_begin_block, dbxout_end_block): Update for new prototypes.
3013         * dbxout.h (dbxout_source_line): Delete.
3014         * debug.c (debug_nothing_file, debug_nothing_file_int,
3015         debug_nothing_file_charstar_rtx): New.
3016         (do_nothing_debug_hooks): Update.
3017         (debug_nothing_void, debug_nothing_charstar_rtx,
3018         dwarf2out_end_epilogue): New.
3019         (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3020         * debug.h (struct rtx_def): Declare.
3021         (gcc_debug_hooks): New hooks source_line, end_epilogue
3022         and end_function.
3023         (debug_nothing_void, debug_nothing_charstar_rtx,
3024         dwarf2out_end_epilogue): New.
3025         (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3026         * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
3027         (dwarf2_debug_hooks): Update.
3028         (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
3029         dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
3030         * dwarf2out.h (dwarf2out_source_line): Remove.
3031         * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
3032         Make static, update prototype.
3033         (dwarfout_init, dwarfout_finish, dwarfout_source_line,
3034         dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
3035         (dwarf_debug_hooks): Update.
3036         * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
3037         dwarfout_end_function): Remove.
3038         * final.c (profile_function): Use debug hooks for ending functions
3039         and epilogues.
3040         (output_source_line, final_end_function): Update prototype,
3041         use debug hooks.
3042         (final_start_function, final_scan_insn): Update.
3043         * output.h (sdb_begin_function_line): Remove.
3044         (final_end_function): Update prototype.
3045         * sdbout.c (sdb_begin_function_line): Make static.
3046         (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
3047         (sdbout_source_line): New.
3048         (sdbout_end_epilogue, sdbout_end_function): Make static, update
3049         prototypes.
3050         (sdb_debug_hooks): Update.
3051         (sdbout_init, sdbout_source_line,
3052         sdbout_begin_block, sdbout_end_block): Update for new prototypes.
3053         * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
3054         * toplev.c (compile_file, rest_of_compilation): Update.
3055         * tree.h (dwarf2out_end_epilogue): Move to debug.h.
3056         * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
3057         xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
3058         Update for prototype changes.
3059         * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
3060         xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
3061
3062 2001-07-15  Richard Henderson  <rth@redhat.com>
3063
3064         * config/alpha/alpha.h (TARGET_ABI_OSF): New.
3065         (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
3066         * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
3067         * config/alpha/alpha.c: Likewise.
3068         * config/alpha/alpha.md: Likewise.
3069         * config/alpha/alpha32.h: Likewise.
3070         * config/alpha/vms.h: Likewise.
3071         (OPEN_VMS): Remove.
3072
3073 2001-07-14  Richard Henderson  <rth@redhat.com>
3074
3075         * config/alpha/alpha.md: Use define_constants for unspec values.
3076         Substitute throughout.
3077
3078 2001-07-14  Tim Josling  <tej@melbpc.org.au>
3079
3080         * tree.def (EXPON_EXPR) remove. Never supported anyway.
3081
3082 2001-07-14  John David Anglin  <dave@hiauly1.hia.nrc.ca>
3083
3084         * pa.md: Remove unused constraints from define_split's.
3085
3086 2001-04-14  Richard Henderson  <rth@redhat.com>
3087
3088         * ifcvt.c (find_cond_trap): Test for exit block.
3089
3090 Sun Jul 15 00:50:20 CEST 2001  Jan Hubicka  <jh@suse.cz>
3091
3092         Re-install recently reverted patch.
3093         * emit-rtl.c (try_split): Update mark_jump_label call.
3094         * flow.c (find_sub_basic_blocks): Likewise.
3095         * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3096         jump_back_p): Kill.
3097         (mark_all_labels): Kill second parameter.
3098         (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3099         (rebuild_jump_labels, jump_optimize_minimal): Update call
3100         of jump_optimize_1.
3101         (jump_optimize_1): Kill crossjumping code.
3102         (mark_jump_label): Kill cross_jump parameter.
3103         * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3104         (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3105         * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3106          splitting.
3107         * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3108         DFI_bpro.
3109         (dump_file_info): Likewise.
3110         (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3111         reorganize passes to do reg-stack first, bb-reorder second.
3112         * invoke.texi (-d letters doc): Remove the jump2 pass.
3113
3114 2001-07-14  Richard Henderson  <rth@redhat.com>
3115
3116         * ifcvt.c (find_cond_trap): New.
3117         (find_if_header): Call it.
3118         (merge_if_block): Relax existing jump sanity check.
3119         * jump.c (jump_optimize_1): Remove conditional trap handling.
3120
3121 2001-07-14  Alan Modra  <amodra@bigpond.net.au>
3122
3123         * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
3124         millicode.
3125         (insn_refs_are_delayed): Correct comment.
3126         * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
3127         * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
3128         instead of r31.  Make associated insn !TARGET_64BIT, and
3129         provide an additional 64-bit insn that clobbers r2.
3130         (divsi3): Likewise.
3131         (udivsi3): Likewise.
3132         (modsi3): Likewise.
3133         (umodsi3): Likewise.
3134
3135 Sat Jul 14 02:58:38 CEST 2001  Jan Hubicka  <jh@suse.cz>
3136
3137         * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
3138
3139         * flow.c (redirect_edge_and_branch_force, split_edge,
3140         try_crossjump_to_edge): Use set_block_for_new_insns.
3141         * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
3142
3143 2001-07-13  H.J. Lu  (hjl@gnu.org)
3144
3145         * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
3146         the correct patch.
3147
3148 2001-07-13  Geoffrey Keating  <geoffk@redhat.com>
3149
3150         Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
3151
3152 2001-07-13  Joseph S. Myers  <jsm28@cam.ac.uk>
3153
3154         * c-common.c (decl_attributes): Take a pointer to the node to
3155         which attributes are to be attached, and a flags argument.
3156         * c-common.h (enum attribute_flags): New.
3157         (decl_attributes): Update prototype.
3158         * c-decl.c (start_decl, push_parm_decl, finish_struct,
3159         finish_enum, start_function): Update calls to decl_attributes.
3160         * c-parse.in (component_declarator, component_notype_declarator,
3161         label): Update calls to decl_attributes.
3162
3163 Fri Jul 13 23:04:00 2001  Denis Chertykov  <denisc@overta.ru>
3164
3165         * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
3166         * config/avr/avr.c (legitimate_address_p): Return value changed
3167         from letter to register classes. For better debugging.
3168
3169 2001-07-13  Kazu Hirata  <kazu@hxi.com>
3170
3171         * jump.c (reversed_comparison_code_parts): Fix comment typos.
3172
3173 2001-07-13  H.J. Lu  (hjl@gnu.org)
3174
3175         * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
3176
3177 2001-07-13  Marc Espie  <espie@cvs.openbsd.org>
3178
3179         * config.gcc (*-*-openbsd*):  Add fragment to compile libgcc
3180         correctly for shared configurations.
3181         * config/t-libgcc-pic:  New.
3182         * config/{i386,m68k,sparc}/t-openbsd:  New.
3183         * config/openbsd.h:  Include cpu_spec in cpp_spec where needed.
3184         Support -shared.  Support debugging libraries with -g.
3185         * config/i386/openbsd.h:  Correct ASM_COMMENT_START.  Ensure dwarf2
3186         frame information does not emit pointer diffs.
3187         * config/sparc/openbsd.h:  Ensure dwarf2 frame information does not
3188         emit pointer diffs.
3189
3190 2001-07-13  Geoffrey Keating  <geoffk@redhat.com>
3191
3192         Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
3193
3194 2001-07-13  David Edelsohn  <edelsohn@gnu.org>
3195
3196         * combine.c (try_combine): Ensure const_int pow2 is positive.
3197
3198 2001-07-13  Hartmut Penner  <hpenner@de.ibm.com>
3199
3200         * config.gcc: Add configuration for s/390.
3201         * config/s390/s390.c: New. Subroutines for code generation.
3202         * config/s390/s390.h: New. Definitions for s/390.
3203         * config/s390/s390-protos.h: New. Prototypes.
3204         * config/s390/linux.h: New. Definitions for linux for s/390.
3205         * config/s390/linux64.h: New. Definitions for linux for zSeries.
3206         * config/s390/t-linux: New. Makefile fragment.
3207         * config/s390/s390.md: New. Machine description for s/390 and zSeries.
3208         * config/s390/fixdfdi.h: New. Fix L_fix*di.
3209
3210 Fri Jul 13 14:46:21 CEST 2001  Jan Hubicka  <jh@suse.cz>
3211
3212         * emit-rtl.c (try_split): Update mark_jump_label call.
3213         * flow.c (find_sub_basic_blocks): Likewise.
3214         * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3215         jump_back_p): Kill.
3216         (mark_all_labels): Kill second parameter.
3217         (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3218         (rebuild_jump_labels, jump_optimize_minimal): Update call
3219         of jump_optimize_1.
3220         (jump_optimize_1): Kill crossjumping code.
3221         (mark_jump_label): Kill cross_jump parameter.
3222         * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3223         (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3224         * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3225          splitting.
3226         * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3227         DFI_bpro.
3228         (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3229         reorganize passes to do reg-stack first, bb-reorder second.
3230         * invoke.texi (-d letters doc): Remove the jump2 pass.
3231
3232 2001-07-12  Steve Ellcey <sje@cup.hp.com>
3233
3234         * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
3235
3236 Thu Jul 12 17:57:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
3237
3238         * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
3239         basic blocks.
3240         (verify_flow_info): Make diagnostics prettier.
3241
3242 Thu Jul 12 16:48:54 CEST 2001  Jan Hubicka  <jh@suse.cz>
3243
3244         * flow.c (find_basic_blocks_1): Do not emit NOP after call.
3245
3246         * flow.c (outgoing_edges_match): Return early if condition reversal
3247         failed.
3248
3249 2001-07-06  Richard Sandiford  <rsandifo@redhat.com>
3250
3251         * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
3252         (mips_move_2words): When splitting a move into two instructions,
3253         prefix the second address operand with '%D'.
3254
3255 2001-07-12  Neil Booth  <neil@daikokuya.demon.co.uk>
3256
3257         * Makefile.in (final.o): Depend on debug.h.
3258         * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
3259         (dbx_debug_hooks): Add new hooks.
3260         (xcoff_debug_hooks): New.
3261         * debug.c (debug_nothing_file_int_int): New.
3262         (do_nothing_debug_hooks): Update.
3263         * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
3264         (debug_nothing_file_int_int): New.
3265         * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
3266         static, update prototype.
3267         (dwarf2_debug_hooks): Update.
3268         * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
3269         * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
3270         static, update prototype.
3271         (dwarf_debug_hooks): Update.
3272         * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
3273         * final.c: Include debug.h.
3274         (final_scan_insn): Use debug hooks when beginning and ending blocks.
3275         * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
3276         static, update prototype.
3277         (sdb_debug_hooks): Update.
3278         * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
3279         * toplev.c: Distinguish between xcoff and dbx.
3280
3281         * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
3282         Call all debug hooks, not just dwarf ones.
3283
3284 2001-07-11  Timothy Wall  <twall@redhat.com>
3285
3286         * config.gcc: Add configuration for AIX5/IA64.
3287         * config/ia64/aix.h: New.  AIX5/IA64-specific configuration.
3288         * config/ia64/crt[in].asm: New.  Generic static ctor/dtor
3289         support prefix/suffix code.
3290         * config/ia64/t-aix: New.  Makefile fragment.
3291         * config/ia64/unwind-aix.c: New.  Unwind table entry lookup.
3292
3293 2001-07-11  Kazu Hirata  <kazu@hxi.com>
3294
3295         * recog.c (validate_change): Fix a comment typo.
3296
3297 2001-07-11  Neil Booth  <neil@daikokuya.demon.co.uk>
3298
3299         * Makefile.in (c-lex.o): Wrap long lines.  Depend on debug.h.
3300         * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
3301         hooks directly.
3302         * dbxout.c (dbx_debug_hooks): Add new hooks.
3303         (dbxout_start_new_source_file): Rename dbxout_start_source_file,
3304         make static.
3305         (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
3306         make static.
3307         * dbxout.h (dbxout_start_new_source_file,
3308         dbxout_resume_previous_source_file): Delete.
3309         * debug.c (do_nothing_debug_hooks): Add new hooks.
3310         (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3311         (debug_nothing_int_charstar, debug_nothing_int): New.
3312         * debug.h (gcc_debug_hooks): New hooks define, undef,
3313         start_source_file and end_source_file.
3314         (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3315         (debug_nothing_int_charstar, debug_nothing_int): New.
3316         * dwarf2out.c (dwarf2_debug_hooks): Add new hooks.  Move into
3317         the conditionally compiled section.
3318         (dwarf2out_start_source_file, dwarf2out_end_source_file,
3319         dwarf2out_define, dwarf2out_undef): Make static.
3320         * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
3321         dwarf2out_define, dwarf2out_undef): Remove.
3322         * dwarfout.c (dwarf_debug_hooks): Add new hooks.
3323         (dwarfout_start_source_file, dwarfout_end_source_file,
3324         dwarfout_define, dwarfout_undef): Make static.
3325         (dwarfout_start_source_file_check,
3326         dwarfout_end_source_file_check): New.
3327         (dwarfout_define, dwarfout_finish): Update.
3328         * dwarfout.h (dwarfout_start_new_source_file,
3329         dwarfout_resume_previous_source_file, dwarfout_define,
3330         dwarfout_undef): Remove.
3331         * sdbout.c (sdb_debug_hooks): Add new hooks.
3332         (sdbout_start_new_source_file): Rename sdbout_start_source_file,
3333         make static.
3334         (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
3335         make static, take an arg.
3336         * sdbout.h (sdbout_start_new_source_file,
3337         sdbout_resume_previous_source_file): Delete.
3338         * toplev.c (debug_start_source_file, debug_end_source_file,
3339         debug_define, debug_undef): Delete.
3340         * toplev.h (debug_start_source_file, debug_end_source_file,
3341         debug_define, debug_undef): Delete.
3342
3343         * java/jcf-parse.c: Include debug.h.
3344         (parse_class_file): Update to use debug hooks directly.
3345         * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
3346
3347 Wed Jul 11 10:07:18 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3348
3349         * alias.c (set_mem_alias_set): New function.
3350         * rtl.h (set_mem_alias_set): Declare it.
3351         * builtins.c (expand_builtin_return_addr): Call it instead of
3352         using MEM_ALIAS_SET accessor.
3353         (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
3354         (get_memory_rtx, expand_builtin_va_arg): Likewise.
3355         (expand_builtin_va_copy):Likewise.
3356         * caller-save.c (setup_save_areas): Likewise.
3357         * calls.c (compute_argument_addresses): Likewise.
3358         * explow.c (set_mem_attributes): Likewise.
3359         * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
3360         (expand_assignment, store_constructor_field, store_field): Likewise.
3361         (expand_expr_unaligned): Likewise.
3362         * function.c (assign_stack_temp_for_type): Likewise.
3363         (put_reg_into_stack, gen_mem_addressof): Likewise.
3364         * ifcvt.c (noce_try_cmove_arith): Likewise.
3365         * reload1.c (reload, alter_reg): Likewise.
3366         * config/alpha/alpha.c (get_aligned_mem): Likewise.
3367         (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
3368         (alpha_expand_unaligned_store): Likewise
3369         (alpha_expand_unaligned_load_words): Likewise.
3370         (alpha_expand_unaligned_store_words): Likewise.
3371         (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
3372         (alpha_expand_epilogue): Likewise.
3373         * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
3374         * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
3375         * config/i386/i386.c (legitimize_pic_address): Likewise.
3376         * config/i960/i960.c (setup_incoming_varargs): Likewise.
3377         * config/ia64/ia64.c (spill_restore_mem): Likewise.
3378         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
3379         * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
3380         * config/mips/mips.c (mips_va_arg): Likewise.
3381         * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
3382         * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
3383         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
3384         (setup_incoming_varargs, rs6000_va_arg): Likewise.
3385         (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
3386         (rs6000_emit_epilogue): Likewise.
3387         * config/sh/sh.c (sh_builtin_saveregs): Likewise.
3388         * config/sparc/sparc.c (sparc_va_arg): Likewise.
3389         * config/v850/v850.c (v850_va_arg): Likewise.
3390
3391 Wed Jul 11 21:27:25 CEST 2001  Jan Hubicka  <jh@suse.cz>
3392
3393         * flow.c (merge_blocks_move_successor_nojumps): Do not crash
3394         when fallthru edge is present.
3395         (mege_blocks): Handle case where creation of jump insn
3396         is required.
3397
3398         * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
3399         CLEANUP_POST_REGSTACK): New constants.
3400         * except.c (finish_eh_generation): Update call of cleanup_cfg,
3401         * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
3402         * output.h (cleanup_cfg): Update prototype.
3403         * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
3404         * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
3405         cleanup_cfg call; kill missleading comment.
3406         * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
3407         * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
3408         parameter; control optimizations performed using it.
3409         (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
3410         try_crossjump_bb): New functions.
3411
3412 2001-07-11  John David Anglin  <dave@hiauly1.hia.nrc.ca>
3413
3414         * pa.c (pa_output_function_prologue): Delete prototype.  Make function
3415         extern.
3416         * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
3417         pa_output_function_prologue.
3418         * pa-protos.h (pa_output_function_prologue): New prototype.
3419
3420 2001-07-11  John David Anglin  <dave@hiauly1.hia.nrc.ca>
3421
3422         * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
3423         and low to get correct sign extension in low+high test.
3424
3425 2001-07-11  Janis Johnson <janis@us.ibm.com>
3426
3427         * gcov.c (arcdata): Use gcov_type to fix branch percentage
3428         for large hit count.
3429
3430         * profile.c (branch_prob): Fix .bbg info for computed gotos
3431         and C++ EH code.
3432
3433 2001-07-11  Mark Mitchell  <mark@codesourcery.com>
3434
3435         * stmt.c (parse_output_constraint): New function, split out
3436         from ...
3437         (expand_asm_operands): ... here.  Use parse_output_constraint.
3438         * tree.h (parse_output_constraint): Declare it.
3439
3440 2001-07-11  Richard Henderson  <rth@redhat.com>
3441
3442         * bitmap.c: Comment some functions; fiddle whitespace.
3443         (bitmap_free): Don't export.
3444         (bitmap_element_allocate): Use memset.
3445         * bitmap.h (bitmap_free): Don't declare.
3446
3447 2001-07-11  Daniel Berlin  <dan@cgsoftware.com>
3448
3449         * gcse.c, lcm.c, sched-deps.c:
3450         s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
3451
3452         * flow.c (flow_loops_find): Free dom if we found no loops, since
3453         we aren't going to save it.
3454
3455         * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
3456         done.
3457
3458 Wed Jul 11 09:00:48 2001  Jeffrey A Law  (law@cygnus.com)
3459
3460         * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
3461
3462 Wed Jul 11 10:07:18 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3463
3464         * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
3465         #ifndef DWARF2_DEBUGGING_INFO.
3466
3467 2001-07-11  Richard Sandiford  <rsandifo@redhat.com>
3468
3469         * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
3470
3471 2001-07-11  Richard Sandiford  <rsandifo@redhat.com>
3472
3473         * config/mips/mips.c (gen_int_relational): Tell the caller not to
3474         reverse a branch if a NE comparison is implemented with GTU.
3475
3476 2001-07-11  Richard Sandiford  <rsandifo@redhat.com>
3477             H.J. Lu  <hjl@gnu.org>
3478
3479         * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
3480         constant addresses.
3481         (call_internal2): Likewise.
3482         (call_value_internal1): Likewise.
3483         (call_value_internal2): Likewise.
3484         (call_value_multiple_internal1): Likewise.
3485         (call_value_multiple_internal2): Likewise.
3486
3487 2001-07-10  Kazu Hirata  <kazu@hxi.com>
3488
3489         * calls.c (emit_library_call_value_1): Fix a comment typo.
3490         * dwarf2out.c (mem_loc_descriptor): Likewise.
3491         * config/i386/i386.c (ix86_expand_aligntest): Likewise.
3492
3493 2001-07-11  David Billinghurst <David.Billinghurst@riotinto.com>
3494
3495         * simplify-rtx.c (simplify_subreg): Fix typo in comment
3496
3497 Tue Jul 10 07:27:53 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3498
3499         * recog.c (offsettable_address_p): Handle LO_SUM case.
3500         * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
3501         instead of plus_constant.
3502
3503 2001-07-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3504
3505         * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
3506         fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
3507
3508 Tue Jul 10 07:27:53 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3509
3510         * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
3511         adjust_address_nv instead of plus_constant.
3512
3513 2001-07-10  Neil Booth  <neil@daikokuya.demon.co.uk>
3514
3515         * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
3516         dwarf2out.o): Depend on debug.h, wrap long lines.
3517         * dbxout.c: Include debug.h.
3518         (dbx_debug_hooks): New.
3519         (dbxout_init): Make static, take just 2 args.
3520         (dbxout_finish): Make static.
3521         * dbxout.h (dbxout_init, dbxout_finish): Delete.
3522         * debug.c: New file.
3523         * debug.h: New file.
3524         * dwarf2out.c: Include debug.h.
3525         (dwarf2_debug_hooks): New.
3526         (dwarf2out_init): Make static.
3527         (dwarf2out_finish): Make static, take 2 args.
3528         * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
3529         * dwarfout.c: Include debug.h.
3530         (dwarf_debug_hooks): New.
3531         (dwarfout_init): Make static.
3532         (dwarfout_finish): Make static, take 2 args.
3533         * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
3534         * sdbout.c: Include debug.h.
3535         (sdb_debug_hooks): New.
3536         (sdbout_init): Make static, take 2 args.
3537         * sdbout.h (sdbout_init): Delete.
3538         * toplev.c: Include debug.h.
3539         (debug_hooks): New.
3540         (compile_file): Set deubg_hooks based on command line options.
3541         Use the hooks unconditionally rather than conditional compilation.
3542
3543 Tue Jul 10 09:04:45 2001  Jeffrey A Law  (law@cygnus.com)
3544
3545         * ssa-ccp.c (first_phi_node): Remove.  Replace uses with calls to
3546         first_insn_after_basic_block_note instead.
3547
3548         * df.c (df_bb_refs_unlink): #if 0 out for now.
3549
3550 2001-07-10  David Billinghurst <David.Billinghurst@riotinto.com
3551
3552         * ssa.h: Add prototype for ssa_const_prop
3553         * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
3554         (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
3555         (ssa_fast_dce): Remove unused variable
3556
3557 2001-07-10  Gabriel Dos Reis  <gdr@merlin.codesourcery.com>
3558
3559         * diagnostic.c (finish_diagnostic): Rename to
3560         diagnostic_finish. Make it take an 'output_buffer *'.  Adjust
3561         calls thourghout.
3562
3563 2001-07-10  Jason Merrill  <jason_merrill@redhat.com>
3564
3565         * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
3566         .loc support.
3567
3568         * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
3569         (dump_file): Only pad the demangled name with spaces if the
3570         mangled name was padded with spaces.
3571
3572 2001-07-10  Bernd Schmidt  <bernds@redhat.com>
3573
3574         * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
3575         edge detection.
3576
3577 Tue Jul 10 07:27:53 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3578
3579         * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
3580         extraction if no direct load if either EXPAND_CONST_ADDRESS or
3581         EXPAND_INITIALIZER.
3582
3583         * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
3584         whether can put offset inside LO_SUM to check mode alignment, not size.
3585
3586 2001-07-10  Gabriel Dos Reis  <gdr@merlin.codesourcery.com>
3587
3588         * doc/tm.texi (Misc): Fix thinko.
3589
3590 2001-07-10  Jan van Male  <jan.vanmale@fenk.wau.nl>
3591
3592         * regmove.c (replace_in_call_usage): Fix warnings.
3593         * sched-deps.c (add_dependence): Fix warnings.
3594         * simplify-rtx.c (simplify_subreg): Likewise.
3595         Return NULL_RTX instead of NULL.
3596
3597         * reg-stack.c (emit_swap_insn): Eliminate warnings.
3598         (subst_asm_stack_regs): Likewise.
3599
3600         * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
3601         warnings.
3602
3603         * dwarf2out.c (output_call_frame_info): Declare i as int.
3604         (build_abbrev_table): Declare n_alloc as int.
3605         (dwarf2out_finish): Initialize die.
3606         * except.c: Declare sjlj_funcdef_number as unsigned.
3607         (connect_post_landing_pads): Declare j as unsigned.
3608         (convert_to_eh_region_ranges): Initialize call_site.
3609         (output_function_exception_table): Initialize tt_format_size.
3610         * expr.c (move_by_pieces_1): Initialize to1.
3611         (store_constructor): Initialize minelt and maxelt.
3612         * flow.c (mark_regs_live_at_end): Declare i as unsigned.
3613         * function.c (instantiate_decls): Avoid signed/unsigned warning.
3614
3615         * c-decl.c (combine_parm_decls): Unused, remove.
3616         * c-tree.h: Remove prototype for combine_parm_decls.
3617
3618         * reload.c (push_reload): Fix warning.
3619         (regno_clobbered_p): Likewise.
3620         * reload1.c (replace_pseudos_in_call_usage): Likewise.
3621         (reload_combine): Likewise.
3622
3623         * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
3624         * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
3625         warnings.
3626         * bitmap.c (bitmap_operation): Change user.
3627         * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
3628
3629 2001-07-10  Eric Christopher  <echristo@redhat.com>
3630
3631         * config/mips/mips.c (override_options): Fix typo.
3632
3633 2001-07-09  Stan Shebs  <shebs@apple.com>
3634
3635         * target.h (struct gcc_target): New fields init_builtins and
3636         expand_builtin.
3637         * target-def.h (TARGET_INIT_BUILTINS): New macro.
3638         (TARGET_EXPAND_BUILTIN): New macro.
3639         (TARGET_INITIALIZER): Add them.
3640         * builtins.c: Include target.h.
3641         (expand_builtin): Use targetm.expand_builtin.
3642         (default_init_builtins): New function.
3643         (default_expand_builtin): New function.
3644         * expr.h (default_init_builtins): Declare.
3645         (default_expand_builtin): Declare.
3646         * c-common.c (c_common_nodes_and_builtins): Use
3647         targetm.init_builtins.
3648         * defaults.h (MD_INIT_BUILTINS): Remove.
3649         * Makefile.in (builtins.o): Depend on target.h.
3650
3651         * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
3652         (TARGET_EXPAND_BUILTIN): Define.
3653         * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
3654         (MD_EXPAND_BUILTIN): Remove.
3655
3656         * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
3657         (TARGET_EXPAND_BUILTIN): Define.
3658         (c4x_init_builtins): Make endlink arg a local.
3659         (c4x_print_operand): Fix typos in adjust_address usages.
3660         * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
3661         * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
3662         (MD_EXPAND_BUILTIN): Remove.
3663
3664         * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
3665         (TARGET_EXPAND_BUILTIN): Define.
3666         (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
3667         (ix86_init_builtins): Call new function only if TARGET_MMX.
3668         * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
3669         * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
3670         (MD_EXPAND_BUILTIN): Remove.
3671
3672         * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
3673         (TARGET_EXPAND_BUILTIN): Define.
3674         * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
3675         (MD_EXPAND_BUILTIN): Remove.
3676
3677         * doc/tm.texi: Document these changes.
3678
3679 2001-07-09  Diego Novillo  <dnovillo@redhat.com>
3680
3681         * basic-block.h (tree_node): Forward declare if needed.
3682         (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
3683         (BLOCK_HEAD_TREE): Define.
3684         (BLOCK_END_TREE): Define.
3685         (struct loops): Rename field 'tree' to 'tree_root'.
3686         * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
3687         'end_tree'.
3688         (flow_loops_tree_build): Rename reference to field 'tree' to
3689         'tree_root'.
3690         (flow_loops_level_compute): Ditto.
3691         * predict.c (estimate_bb_frequencies): Ditto.
3692         * tree.h (struct tree_common): Add field 'aux'.
3693
3694 2001-07-09  Stan Shebs  <shebs@apple.com>
3695
3696         * config/darwin.c (darwin_encode_section_info): Don't mark any
3697         DECL_EXTERNAL node as defined.
3698
3699 2001-07-09  John David Anglin  <dave@hiauly1.hia.nrc.ca>
3700
3701         * pa.c (pa_init_machine_status, pa_mark_machine_status,
3702         pa_free_machine_status, hppa_init_pic_save): Delete.
3703         (hppa_pic_save_rtx): New.  Use get_hard_reg_initial_val.
3704         (hppa_profile_hook): Use hppa_pic_save_rtx.
3705         * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
3706         hppa_init_pic_save): Delete.
3707         (hppa_pic_save_rtx): Declare.
3708         * pa.md (call, call_value, sibcall, sibcall_value,
3709         builtin_setjmp_receiver): Use hppa_pic_save_rtx.
3710
3711 2001-07-09  Kazu Hirata  <kazu@hxi.com>
3712
3713         * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
3714         * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
3715
3716 2001-07-09  Andreas Jaeger  <aj@suse.de>
3717
3718         * output.h: Add declaration of final_forward_branch_p.
3719
3720         * config/i386/i386.c (output_fix_trunc): Remove unused variable.
3721
3722         * varray.c: Include errors.h for internal_error and trim_filename
3723         declarations.
3724
3725         * Makefile.in (varray.o): Add errors.h.
3726
3727 2001-07-09  Toon Moene  <toon@moene.indiv.nluug.nl>
3728
3729         * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
3730         * optabs.c (have_add2_insn): Check whether the add insn chosen
3731         really accepts the operands.  (have_sub2_insn): Ditto for sub insn.
3732         * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
3733
3734 Mon Jul  9 13:26:40 2001  Jeffrey A Law  (law@cygnus.com)
3735
3736         * Makefile.in (OBJS): Add ssa-ccp.o
3737         (ssa-ccp.o): Add dependencies.
3738         * toplev.c (DFI_ssa_ccp): New dump file enum.
3739         (dump_file): Add entry for dumping after SSA CCP.
3740         (flag_ssa_ccp): New flag variable.
3741         (f_options): Add -fssa-ccp.
3742         (rest_of_compilation): Run SSA CCP if requested.
3743         * timevar.def (TV_SSA_CCP): New timevar.
3744         * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
3745         * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
3746         Fix minor typo in SSA DCE documentation.
3747         * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
3748         Add documentation for new dump option.  Renumber dump files
3749         appropriately.
3750
3751 Mon Jul  9 21:36:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
3752
3753         * emit-rtl.c (gen_highpart_mode): New.
3754         * rtl.h (gen_highpart_mode): Declare.
3755         * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
3756         operand can be VOIDmode constant.
3757
3758 Mon Jul  9 17:23:10 CEST 2001  Jan Hubicka  <jh@suse.cz>
3759
3760         * flow.c (redirect_edge_and_branch_force): New.
3761         (can_fallthru): Ensure that basic blocks are succeeding.
3762         (try_optimize_cfg): Do not delete basic block if it is the last one.
3763
3764         * flow.c (try_redirect_by_replacing_jump): Do not remove
3765         jumps with side effects, unlink chain on fallthru edge;
3766         set block for new jump instruction; avoid basic block to
3767         over by line number note.
3768
3769         * flow.c (try_simplify_condjump): Verify that the condjump
3770         is not always falling trought.
3771
3772         Re-install patch:
3773         * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3774
3775         * flow.c (forwarder_block_p): Fix for fallthru blocks.
3776         (try_redirect_by_replacing_jump): Update properly the count
3777         and frequency information.
3778
3779 Mon Jul  9 06:41:07 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3780
3781         * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
3782         address that is a LO_SUM specially.
3783         * explow.c (plus_constant_wide, case LO_SUM): Deleted.
3784
3785         * c-lang.c (start_cdtor): Remove extra parameter from start_function.
3786
3787         * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
3788         (operand_subword): Use them.
3789         (change_address_1): Renamed from change_address; new arg VALIDATE.
3790         * expr.h: Reflect above changes; change_address now macro.
3791         * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
3792         making MEM.
3793         * cselib.c (add_mem_for_addr): Likewise.
3794         * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3795         * regmove.c (try_apply_stack_adjustment): Likewise.
3796         * reload.c (push_reload, make_memloc): Likewise.
3797         * reload1.c (eliminate_regs): Likewise.
3798         * simplify-rtx.c (simplify_replace_rtx): Likewise.
3799         * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
3800         adjust_addess.
3801         * combine.c (make_extraction, simplify_shift_const): Likewise.
3802         (gen_lowpart_for_combine): Likewise.
3803         * cse.c (gen_lowpart_if_possible): Likewise.
3804         * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3805         * expr.c (expand_expr, case COMPONENT_REF): Likewise.
3806         * optabs.c (gen_move_insn): Likewise.
3807         * reload1.c (alter_reg): Likewise.
3808         * simplify-rtx.c (simplify_subreg): Likewise.
3809         * stmt.c (expand_anon_union_decl): Likewise.
3810         * recog.c (validate_replace_rtx_1): Likewise.
3811         (expr.h): Include.
3812         * Makefile.in (recog.o): Add $(EXPR_H).
3813         * explow.c (stabilize): Call replace_equiv_address.
3814         * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
3815         * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
3816
3817 2001-07-03  Andrew Haley  <aph@redhat.com>
3818
3819         * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
3820         the mode of the memory location.
3821
3822 2001-07-09  Bo Thorsen  <bo@suse.co.uk>
3823
3824         * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
3825
3826 2001-07-09  Neil Booth  <neil@daikokuya.demon.co.uk>
3827
3828         * final.c (output_addr_const): Use target opening and
3829         closing parentheses.
3830         * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
3831         defaults, add to TARGET_ASM_OUT.
3832         * target.h (struct gcc_target): Add open_paren and close_paren.
3833         * doc/md.texi: Update.
3834         * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
3835         TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
3836         TARGET_ASM_CLOSE_PAREN.
3837         * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3838         Override.
3839         * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3840         Override.
3841         * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
3842         * config/a29k/a29k.h: Similarly.
3843         * config/alpha/alpha.h: Similarly.
3844         * config/arc/arc.h: Similarly.
3845         * config/arm/aof.h: Similarly.
3846         * config/arm/aout.h: Similarly.
3847         * config/avr/avr.h: Similarly.
3848         * config/c4x/c4x.h: Similarly.
3849         * config/clipper/clipper.h: Similarly.
3850         * config/convex/convex.h: Similarly.
3851         * config/d30v/d30v.h: Similarly.
3852         * config/dsp16xx/dsp16xx.h: Similarly.
3853         * config/elxsi/elxsi.h: Similarly.
3854         * config/fr30/fr30.h: Similarly.
3855         * config/h8300/h8300.h: Similarly.
3856         * config/i370/i370.h: Similarly.
3857         * config/i386/i386.h: Similarly.
3858         * config/i860/i860.h: Similarly.
3859         * config/i960/i960.h: Similarly.
3860         * config/ia64/ia64.h: Similarly.
3861         * config/m32r/m32r.h: Similarly.
3862         * config/m68hc11/m68hc11.h: Similarly.
3863         * config/m68k/m68k.h: Similarly.
3864         * config/m88k/m88k.h: Similarly.
3865         * config/mcore/mcore.h: Similarly.
3866         * config/mips/mips.h: Similarly.
3867         * config/mn10200/mn10200.h: Similarly.
3868         * config/mn10300/mn10300.h: Similarly.
3869         * config/ns32k/ns32k.h: Similarly.
3870         * config/pa/pa.h: Similarly.
3871         * config/pdp11/pdp11.h: Similarly.
3872         * config/pj/pj.h: Similarly.
3873         * config/romp/romp.h: Similarly.
3874         * config/rs6000/rs6000.h: Similarly.
3875         * config/sh/sh.h: Similarly.
3876         * config/sparc/sparc.h: Similarly.
3877         * config/v850/v850.h: Similarly.
3878         * config/vax/vax.h: Similarly.
3879         * config/we32k/we32k.h: Similarly.
3880
3881 2001-07-09  Joseph S. Myers  <jsm28@cam.ac.uk>
3882
3883         * doc/c-tree.texi: Document representation of attributes.
3884
3885 2001-07-08  Joseph S. Myers  <jsm28@cam.ac.uk>
3886
3887         * doc/tm.texi: Update some places for the rename of target to
3888         targetm.  Fix typo.
3889
3890 2001-07-08  Joseph S. Myers  <jsm28@cam.ac.uk>
3891
3892         * target.h (struct gcc_target): Add insert_attributes.
3893         * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
3894         (TARGET_INITIALIZER): Update.
3895         * tree.c, tree.h (default_insert_attributes): New function.
3896         Update comments on other default functions to refer to targetm,
3897         not target.
3898         * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
3899         TARGET_INSERT_ATTRIBUTES.
3900         (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
3901         * c-common.c (decl_attributes): Use targetm.insert_attributes.
3902         Don't use PRAGMA_INSERT_ATTRIBUTES.
3903         * Makefile.in (c-common.o): Depend on $(TARGET_H).
3904         * c-decl.c (start_decl, start_function): Don't call
3905         SET_DEFAULT_DECL_ATTRIBUTES.
3906         * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3907         * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
3908         declare.
3909         * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
3910         (c4x_check_attribute): Avoid modifying attribute list itself.
3911         (c4x_set_default_attributes): Rename to c4x_insert_attributes.
3912         Make static.
3913         * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
3914         * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
3915         declare.
3916         * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
3917         (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
3918         Make static.
3919         * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3920         * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
3921         declare.
3922         * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
3923         (v850_set_default_decl_attr): Rename to v850_insert_attributes.
3924         Adjust parameters.  Make static.
3925
3926 2001-07-08  Joseph S. Myers  <jsm28@cam.ac.uk>
3927
3928         * c-common.c (decl_attributes): Only take a single attributes
3929         parameter.
3930         * c-common.h (decl_attributes): Update prototype.
3931         * c-decl.c (start_decl, start_function): Only take a single
3932         attributes parameter.  Update calls to decl_attributes.
3933         (finish_struct, finish_enum): Update calls to decl_attributes.
3934         (push_parm_decl): Expect unified list of attributes.  Update call
3935         to decl_attributes.
3936         * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
3937         notype_nested_function, component_declarator,
3938         component_notype_declarator, label): Update calls to
3939         decl_attributes.
3940         (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
3941         lists that are passed to push_parm_decl.
3942         * c-tree.h (start_function, start_decl): Update prototypes.
3943         * config/sh/sh-protos.h, config/sh/sh.c
3944         (sh_pragma_insert_attributes): Only take a single attributes
3945         parameter.
3946         * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
3947         * doc/tm.texi (INSERT_ATTRIBUTES): Update.
3948         * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
3949         build_module_descriptor, generate_static_references,
3950         generate_strings, build_selector_translation_table,
3951         generate_descriptor_table, generate_protocols,
3952         generate_ivars_list, generate_dispatch_table,
3953         generate_protocol_list, generate_category,
3954         generate_shared_structures, really_start_method, add_objc_decls,
3955         generate_classref_translation_entry): Update calls to start_decl
3956         and start_function.
3957         (build_tmp_function_decl, start_method_def): Unify attribute lists
3958         that are passed to push_parm_decl.
3959
3960 2001-07-08  Neil Booth  <neil@daikokuya.demon.co.uk>
3961
3962         * final.c (no_asm_to_stream): New.
3963         (final_scan_insn): Use target structures for prologue ends
3964         and epilogue starts.
3965         * output.h (no_asm_to_stream): New.
3966         * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
3967         TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
3968         (TARGET_ASM_OUT): Update.
3969         * target.h (struct gcc_target): New members function_end_prologue
3970         and function_begin_epilogue.
3971         * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
3972         * config/alpha/alpha-protos.h (output_end_prologue): Delete.
3973         * config/alpha/alpha.c (output_end_prologue): Rename to
3974         alpha_output_function_end_prologue.  Use in target struct
3975         and make static.
3976         * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
3977         * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
3978         * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
3979         ia64_output_function_end_prologue.  Use in target struct
3980         and make static.
3981         (ia64_function_prologue, ia64_funciton_epilogue): Rename
3982         mistyped prototypes.
3983         * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
3984         * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
3985         Delete.
3986         * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
3987         an use in target struct, make static.
3988         * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
3989         Delete.
3990
3991 2001-07-08  Richard Henderson  <rth@redhat.com>
3992
3993         * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
3994
3995 2001-07-08  Richard Henderson  <rth@redhat.com>
3996
3997         * config/i386/i386.md: Remove constraints strings from define_split
3998         and define_peephole2 patterns.
3999         (eh_return_si, eh_return_di): Split eh_return_1 for modes.
4000         (eh_return): Use them.
4001
4002 2001-07-08  Richard Henderson  <rth@redhat.com>
4003
4004         * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
4005         Document MD_FALLBACK_FRAME_STATE_FOR.
4006
4007 2001-07-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4008
4009         * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
4010         Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
4011         elimination.
4012         * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
4013
4014 2001-07-07  Nick Clifton  <nickc@cambridge.redhat.com>
4015
4016         * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
4017         of the label inside NAME as opposed to just the end of NAME.
4018
4019 2001-07-07  Neil Booth  <neil@daikokuya.demon.co.uk>
4020
4021         * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
4022         * config/alpha/alpha.c (alpha_init_machine_status,
4023         alpha_mark_machine_status, alpha_free_machine_status): Delete.
4024         (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
4025         (vms_valid_decl_attribute_p): Make static, conditionally compile.
4026         * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
4027
4028 2001-07-06  Stan Shebs  <shebs@apple.com>
4029
4030         * target.h (targetm): Rename global from "target", so as not to
4031         conflict with local variables.
4032         * c-decl.c: Ditto.
4033         * c-typeck.c: Ditto.
4034         * final.c: Ditto.
4035         * tree.c: Ditto.
4036         * cp/decl.c: Ditto.
4037         * cp/decl2.c: Ditto.
4038         * cp/typeck.c: Ditto.
4039         * 1750a/1750a.c: Ditto.
4040         * a29k/a29k.c: Ditto.
4041         * arc/arc.c: Ditto.
4042         * arm/arm.c: Ditto.
4043         * avr/avr.c: Ditto.
4044         * clipper/clipper.c: Ditto.
4045         * convex/convex.c: Ditto.
4046         * d30v/d30v.c: Ditto.
4047         * dsp16xx/dsp16xx.c: Ditto.
4048         * elxsi/elxsi.c: Ditto.
4049         * fr30/fr30.c: Ditto.
4050         * h8300/h8300.c: Ditto.
4051         * i370/i370.c: Ditto.
4052         * i386/i386.c: Ditto.
4053         * i860/i860.c: Ditto.
4054         * i960/i960.c: Ditto.
4055         * ia64/ia64.c: Ditto.
4056         * m32r/m32r.c: Ditto.
4057         * m68hc11/m68hc11.c: Ditto.
4058         * m68k/m68k.c: Ditto.
4059         * m88k/m88k.c: Ditto.
4060         * mips/mips.c: Ditto.
4061         * ns32k/ns32k.c: Ditto.
4062         * pa/pa.c: Ditto.
4063         * pdp11/pdp11.c: Ditto.
4064         * romp/romp.c: Ditto.
4065         * rs6000/rs6000.c: Ditto.
4066         * sh/sh.c: Ditto.
4067         * sparc/sparc.c: Ditto.
4068         * vax/vax.c: Ditto.
4069         * we32k/we32k.c: Ditto.
4070         * doc/tm.texi: Update the manual to match.
4071
4072 2001-07-06  Richard Henderson  <rth@redhat.com>
4073
4074         * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
4075         DWARF2_UNWIND_INFO not just whether it is defined.
4076
4077 2001-07-06  Diego Novillo  <dnovillo@redhat.com>
4078
4079         * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
4080         call to simplify_binary_operation returns a new pattern.
4081
4082 2001-07-06  Roman Lechtchinsky  <rl@cs.tu-berlin.de>
4083
4084         * glimits.h (__SHRT_MAX__): New.
4085         (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
4086         (SHRT_MAX): Define in terms of __SHRT_MAX__.
4087
4088 2001-07-06  Jan van Male  <jan.vanmale@fenk.wau.nl>
4089
4090         * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
4091         avoid warnings.
4092
4093 2001-07-06  Richard Henderson  <rth@redhat.com>
4094
4095         * bitmap.c (bitmap_release_memory): Move adjacent to the
4096         allocation functions.
4097         (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
4098         the implementation.  Binary search for the set bit.
4099         (bitmap_union_of_diff): Allocate the temporary on the stack
4100         instead of using xmalloc.
4101
4102 2001-07-06  Richard Henderson  <rth@redhat.com>
4103
4104         * genrecog.c (validate_pattern): Warn for constraints in
4105         define_{expand,split,peephole2}.  Remove strict_low_part
4106         before looking up match_dup.
4107
4108 2001-07-06  DJ Delorie  <dj@redhat.com>
4109
4110         * doc/gcc.texi (Makefile): Rename to be a more general purpose
4111         chapter about various build hints and history.  Add section
4112         talking about the various types of native and cross builds.
4113
4114 2001-07-06  Neil Booth  <neil@daikokuya.demon.co.uk>
4115
4116         * Makefile.in (final.o): Depend on target.h.
4117         * final.c: Include target.h.
4118         (default_function_pro_epilogue): New.
4119         (final_start_function): Use target structure for function prologues.
4120         (final_end_function): Use target structure for function epilogues.
4121         * fold-const.c (real_hex_to_f): Constify s and p.
4122         * output.h (default_function_pro_epilogue): New.
4123         * real.h (real_hex_to_f): Update prototype.
4124         * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
4125         TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
4126         (TARGET_INITIALIZER): Update.
4127         * target.h (gcc_target): Add struct asm_out.
4128         * doc/tm.texi: Update.
4129
4130 config:
4131         Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
4132         TARGET_ASM_FUNCTION_EPILOGUE.  Move macro code to functions
4133         in cpu/cpu.c, or rename old functions consistently.  Take
4134         a HOST_WIDE INT not an int as the SIZE parameter.  Remove now
4135         redundant macros and prototypes.  Make new functions static.
4136
4137         * 1750a/1750a.c: Similarly.
4138         * 1750a/1750a.h: Similarly.
4139         * a29k/a29k-protos.h: Similarly.
4140         * a29k/a29k.c: Similarly.
4141         * a29k/a29k.h: Similarly.
4142         * arc/arc-protos.h: Similarly.
4143         * arc/arc.c: Similarly.
4144         * arc/arc.h: Similarly.
4145         * arm/arm-protos.h: Similarly.
4146         * arm/arm.c: Similarly.
4147         * arm/arm.h: Similarly.
4148         * avr/avr-protos.h: Similarly.
4149         * avr/avr.c: Similarly.
4150         * avr/avr.h: Similarly.
4151         * clipper/clipper-protos.h: Similarly.
4152         * clipper/clipper.c: Similarly.
4153         * clipper/clipper.h: Similarly.
4154         * convex/convex.c: Similarly.
4155         * convex/convex.h: Similarly.
4156         * d30v/d30v-protos.h: Similarly.
4157         * d30v/d30v.c: Similarly.
4158         * d30v/d30v.h: Similarly.
4159         * d30v/d30v.md: Similarly.
4160         * dsp16xx/dsp16xx-protos.h: Similarly.
4161         * dsp16xx/dsp16xx.c: Similarly.
4162         * dsp16xx/dsp16xx.h: Similarly.
4163         * elxsi/elxsi.c: Similarly.
4164         * elxsi/elxsi.h: Similarly.
4165         * fr30/fr30.c: Similarly.
4166         * fr30/fr30.md: Similarly.
4167         * h8300/h8300-protos.h: Similarly.
4168         * h8300/h8300.c: Similarly.
4169         * h8300/h8300.h: Similarly.
4170         * i370/i370-protos.h: Similarly.
4171         * i370/i370.c: Similarly.
4172         * i370/i370.h: Similarly.
4173         * i386/i386.c: Similarly.
4174         * i386/osf1elf.h: Similarly.
4175         * i386/osfrose.h: Similarly.
4176         * i860/i860-protos.h: Similarly.
4177         * i860/i860.c: Similarly.
4178         * i860/i860.h: Similarly.
4179         * i960/i960-protos.h: Similarly.
4180         * i960/i960.c: Similarly.
4181         * i960/i960.h: Similarly.
4182         * ia64/ia64-protos.h: Similarly.
4183         * ia64/ia64.c: Similarly.
4184         * ia64/ia64.h: Similarly.
4185         * m32r/m32r-protos.h: Similarly.
4186         * m32r/m32r.c: Similarly.
4187         * m32r/m32r.h: Similarly.
4188         * m68hc11/m68hc11-protos.h: Similarly.
4189         * m68hc11/m68hc11.c: Similarly.
4190         * m68hc11/m68hc11.h: Similarly.
4191         * m68k/crds.h: Similarly.
4192         * m68k/dpx2.h: Similarly.
4193         * m68k/m68k-protos.h: Similarly.
4194         * m68k/m68k.c: Similarly.
4195         * m68k/m68k.h: Similarly.
4196         * m68k/news.h: Similarly.
4197         * m88k/m88k-protos.h: Similarly.
4198         * m88k/m88k.c: Similarly.
4199         * m88k/m88k.h: Similarly.
4200         * mips/mips-protos.h: Similarly.
4201         * mips/mips.c: Similarly.
4202         * mips/mips.h: Similarly.
4203         * ns32k/merlin.h: Similarly.
4204         * ns32k/ns32k.c: Similarly.
4205         * ns32k/ns32k.h: Similarly.
4206         * ns32k/tek6000.h: Similarly.
4207         * pa/pa-protos.h: Similarly.
4208         * pa/pa.c: Similarly.
4209         * pa/pa.h: Similarly.
4210         * pdp11/2bsd.h: Similarly.
4211         * pdp11/pdp11-protos.h: Similarly.
4212         * pdp11/pdp11.c: Similarly.
4213         * pdp11/pdp11.h: Similarly.
4214         * romp/romp-protos.h: Similarly.
4215         * romp/romp.c: Similarly.
4216         * romp/romp.h: Similarly.
4217         * rs6000/rs6000-protos.h: Similarly.
4218         * rs6000/rs6000.c: Similarly.
4219         * rs6000/rs6000.h: Similarly.
4220         * rs6000/sysv4.h: Similarly.
4221         * sh/sh-protos.h: Similarly.
4222         * sh/sh.c: Similarly.
4223         * sh/sh.h: Similarly.
4224         * sparc/sparc-protos.h: Similarly.
4225         * sparc/sparc.c: Similarly.
4226         * sparc/sparc.h: Similarly.
4227         * vax/vax.c: Similarly.
4228         * vax/vax.h: Similarly.
4229         * vax/vms.h: Similarly.
4230         * we32k/we32k.c: Similarly.
4231         * we32k/we32k.h: Similarly.
4232
4233 Fri Jul  6 11:47:59 2001  Jeffrey A Law  (law@cygnus.com)
4234
4235         * basic-block.h (first_insn_after_basic_block_note): Declare.
4236         * flow.c (first_insn_after_basic_block_note): Define.  Moved
4237         from...
4238         * ssa.c (first_insn_after_basic_block_note): Remove.
4239         * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
4240         necessary.
4241         (ssa_eliminate_dead_code): Properly update the CFG and PHI
4242         nodes when we find a dead conditional branch.  Insert BARRIERs
4243         after any blocks with no successors, but which do not have
4244         any BARRIERs.
4245
4246 2001-07-06  Zack Weinberg  <zackw@stanford.edu>
4247
4248         * varray.c (varray_check_failed): Use internal_error.
4249
4250 2001-07-05  Andrew Haley  <aph@redhat.com>
4251
4252         * Makefile.in (LIB2_DIVMOD_FUNCS): New.
4253         (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
4254         * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
4255
4256 2001-07-02  Jason Merrill  <jason_merrill@redhat.com>
4257
4258         * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
4259         reference if the target constant is also a SYMBOL_REF.
4260
4261 2001-07-05  Eric Christopher  <echristo@redhat.com>
4262
4263         * config/mips/mips.h (MASK_MIPS3900): Remove.
4264         (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
4265         MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
4266         (TARGET_MIPS3900): Change to use mips_arch.
4267         (TARGET_MIPS4000): New.
4268         (TARGET_MIPS4100): New.
4269         (TARGET_MIPS4300): New.
4270         (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
4271         (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
4272         for -mipsX.
4273         (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
4274         (ISA_HAS_BRANCHLIKELY): To here.
4275         (CC1_CPU_SPEC):  New.
4276         (CC1_SPEC): Use here.  Remove 4650 and 3900 options.
4277         (mips_arch_string): Declare.
4278         (mips_arch): Declare.
4279         (TARGET_OPTIONS): Add -march and -mtune.
4280
4281         * config/mips/mips.c (mips_arch_string): New.
4282         (mips_arch): New.
4283         (override_options): Handle -march for codegen and -mtune
4284         for scheduling. Use mips_arch. Move tx39 target default here.
4285         (mips_parse_cpu): Move error message to override_options.
4286
4287         * config/mips/r3900.h (TARGET_DEFAULT): Remove.
4288
4289         * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
4290
4291         * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
4292         (MIPS Options): Ditto.  Change mcpu entry to historical text.
4293
4294 2001-07-05  H.J. Lu  (hjl@gnu.org)
4295
4296         * config/mips/mips.c (mips_parse_cpu): New function to parse
4297         -march=*/-mcpu=*.
4298
4299 2001-07-05  Jim Wilson  <wilson@redhat.com>
4300
4301         * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
4302         * config/ia64/t-ia64: Likewise.
4303         (LIB1ASMFUNCS): Update comment.
4304
4305 2001-07-05  David Edelsohn  <edelsohn@gnu.org>
4306
4307         * doc/install.texi (Install GCC: Binaries): Fix typo.
4308
4309 2001-07-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4310
4311         * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
4312         reference using the stack pointer, adjust it since we push Y
4313         temporarily.
4314         ("*ashrsi3"): Likewise.
4315         ("*lshrsi3"): Likewise.
4316
4317 2001-07-05  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4318
4319         * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
4320         when -fomit-frame-pointer is used.
4321
4322 2001-07-05  Jeffrey Oldham  <oldham@codesourcery.com>
4323
4324         * flow.c: Reverse Jan Hubicka's patch of 02July2001.
4325         (try_redirect_by_replacing_jump): Reverse updating properly the
4326         count and frequency information.  Reverse removing cc0 setter.
4327         (forwarder_block_p): Reverse fixing for fallthru blocks.
4328
4329 2001-07-05  DJ Delorie  <dj@redhat.com>
4330
4331         * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
4332         (translate_options): If the above is defined, use it to map
4333         given options to new options.
4334         * doc/tm.texi: Document it.
4335
4336 2001-07-05  Brad Lucier <lucier@math.purdue.edu>
4337             Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
4338
4339         * doc/invoke.texi (Optimize Options): Document that -fgcse may
4340         cause programs using computed gotos to run more slowly.
4341
4342 2001-07-05  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4343
4344         * doc/install.texi (Specific): Markup, spelling and typo fixes.
4345         Fixed sorting.
4346         Consistently require binutils 2.11.2, not prereleases.
4347         (Specific, decstation-*): Canonicalize as mips-dec-*.
4348         (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
4349         always necessary.
4350         (Specific, m68k-altos): Removed reference to README.altos, deleted.
4351         (Specific, mips-*): Reword MIPS C compiler requirements.
4352         (Specific, powerpc*-*-*): New, mention --with-cpu once.
4353         (Specific, sunv5): Removed, obsolete.
4354
4355 2001-07-05  Nathan Sidwell  <nathan@codesourcery.com>
4356
4357         * dwarf2out.c (output_loc_list): Use an all ones mask for
4358         .text asm output and don't rely on long long
4359         literals. Reformat some long lines.
4360
4361 2001-07-05  Andreas Jaeger  <aj@suse.de>
4362
4363         * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
4364         section.
4365
4366 2001-07-04  Daniel Berlin  <dan@cgsoftware.com>
4367
4368         * dwarf2out.c (dwarf2out_define): Update comment.
4369         (dwarf2out_undef): Ditto.
4370         (dwarf2out_start_source_file): Ditto.
4371         (dwarf2out_end_source_file): Ditto.
4372         (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
4373         since we never call the start/end debug hook for the primary file.
4374
4375 2001-07-04  Kazu Hirata  <kazu@hxi.com>
4376
4377         * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
4378         from shll.
4379
4380 2001-07-04  Nathan Sidwell  <nathan@codesourcery.com>
4381
4382         * cppinit.c (remove_dup_dirs): Inform if a system include
4383         directory is being reordered.
4384         * doc/invoke.texi (Directory Options): GCC warns if you hide a
4385         system include.
4386         * doc/cpp.texi (Search Paths): Likewise.
4387         * doc/gcc.texi (Interoperation): Remove information about
4388         -I/usr/include.
4389
4390 2001-07-04  Nathan Sidwell  <nathan@codesourcery.com>
4391
4392         * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
4393         (VARRAY_TOP_CHAR_PTR): Likewise.
4394
4395 2001-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4396
4397         * gcc.c (process_command): Don't assign elements of a const char*.
4398
4399 Wed Jul  4 13:40:02 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4400
4401         * emit-rtl.c (change_address): Don't abort if invalid address while
4402         reload is in progress.
4403
4404 2001-07-04  Daniel Berlin  <dan@cgsoftware.com>
4405
4406         * c-lex.c (cb_file_change): Pass line number to
4407         debug_start_source_file.
4408         (cb_undefine): Pass correct line number to debug_undef.
4409
4410         * toplev.c (debug_start_source_file): Add line number to
4411         parameters. Pass it along to dwarf2out_start_source_file.
4412         (decode_g_option): Stop resetting debug level back to normal when
4413         we change debug formats, unless the current level is
4414         none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
4415         3).
4416
4417         * toplev.h (debug_start_source_file): Add line number to
4418         parameters.
4419
4420         * dwarf2out.h (dwarf2out_start_source_file): Add line number to
4421         parameters.
4422
4423         * dwarf2out.c (dwarf2out_start_source_file): Add line number to
4424         parameters.
4425         Output debug_macinfo data for starting file if requested.
4426         (dwarf2out_end_source_file): Output debug_macinfo data for ending
4427         file if requested.
4428         (dwarf2out_define): Output debug_macinfo data for defining a macro
4429         if requested.
4430         (dwarf2out_undef): Output debug_macinfo data for undefining a
4431         macro if requested.
4432         (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
4433         (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
4434         (macinfo_section_label): New. DWARF2 macro info section label.
4435         (dwarf2out_init): If we want macro info, output the start label
4436         for the section.
4437         (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
4438         attribute to the compilation unit die pointing to the macro info.
4439
4440 2001-07-04  Daniel Berlin  <dan@cgsoftware.com>
4441
4442         * dwarf2out.c (new_loc_list): Move to inside #ifdef
4443         DWARF2_DEBUGGING_INFO.
4444         (add_loc_descr_to_loc_list): Ditto.
4445         (output_loc_list): Ditto.
4446         Also, fix thinko in curr not being initialized.
4447         (gen_internal_sym): Ditto.
4448
4449 Wed Jul  4 13:40:02 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4450
4451         * emit-rtl.c (replace_equiv_address): New function.
4452         * expr.h (replace_equiv_address): New declaration.
4453         * explow.c (validize_mem): Call it instead of change_address and
4454         also call if -fforce-addr and address is constant.
4455         * expr.c: Replace more calls to change_address with adjust_address
4456         and/or replace_equiv_address or to validize_mem.
4457         * function.c, regmove.c, config/alpha/alpha.c: Likewise.
4458         * config/arm/arm.md, config/clipper/clipper.md: Likewise.
4459         * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4460         * config/i370/i370.md, config/i860/i860.md: Likewise.
4461         * config/i960/i960.md, config/mips/mips.c: Likewise.
4462         * config/mips/mips.md, config/pa/pa.md: Likewise.
4463         * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
4464         * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
4465
4466 2001-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4467
4468         * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
4469
4470         * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
4471         function.
4472
4473 2001-07-04  Joseph S. Myers  <jsm28@cam.ac.uk>
4474
4475         * doc/include: New directory.
4476         * doc/fdl.texi: Move to doc/include/fdl.texi.
4477         * doc/texinfo.tex: Move to doc/include/texinfo.tex.
4478         * doc/include/funding.texi, doc/include/gpl.texi: New files.
4479         * doc/gcc.texi: Use funding.texi and gpl.texi.
4480         * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
4481         $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
4482         Update dependencies and use -I $(docdir)/include.
4483
4484 2001-07-04  Anthony Green  <green@redhat.com>
4485
4486         * config/v850/t-v850 (v850-c.o): Add missing dependencies.
4487
4488 2001-07-04  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
4489
4490         * doc/install.texi (sparc64-*-*): Remove garbage.
4491
4492 Wed Jul  4 09:07:44 2001  Jan van Male  <jan.vanmale@fenk.wau.nl>
4493
4494         * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
4495         Fix typo in last change to use adjust_address.
4496
4497 2001-07-04  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
4498
4499         * doc/install.texi (Specific): Update information for *-*-solaris*.
4500
4501 Tue Jul  3 22:33:15 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4502
4503         * explow.c (plus_constant_wide): Reinitialize Y for restart.
4504
4505 2001-07-03  Stan Shebs  <shebs@apple.com>
4506
4507         * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
4508         case for flag_no_mach_text_sections.
4509         (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
4510         * config/darwin.c (flag_no_mach_text_sections): Remove.
4511         * config/darwin-protos.h (darwin_init_pragma): Remove decl.
4512
4513 Tue Jul  3 15:35:52 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4514
4515         * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
4516         and avoid checking for constant as first operand.
4517         * recog.c (find_constant_term_loc): No longer static.
4518         (adj_offettable_operand): Delete.
4519         * rtl.h (adj_offsettable_operand): Delete declaration.
4520         (find_constant_term): Add declaration.
4521         * caller-save.c: Replace calls to adj_offsettable_operand with calls
4522         to adjust_address.
4523         * config/arm/arm.c, config/c4x/c4x.c: Likewise.
4524         * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
4525         * config/i386/i386.c, config/i386/i386.md: Likewise.
4526         * config/i860/i860.c, config/i960/i960.c: Likewise.
4527         * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
4528         * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
4529         * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
4530         * config/mips/mips.c, config/mips/mips.md: Likewise.
4531         * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
4532         * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
4533         * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
4534         * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
4535         * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
4536         * config/ns32k/ns32k.md: Likewise.
4537
4538 2001-07-03  Zack Weinberg  <zackw@stanford.edu>
4539
4540         * rtl.c (copy_rtx): Handle 'T' format letter.
4541         * gensupport.c (collect_insn_data): Likewise.
4542         * print-rtl.c (print_rtx): Print 'T' slots like 's'.
4543
4544 2001-07-03  Nick Clifton  <nickc@cambridge.redhat.com>
4545
4546         * doc/invoke.texi (Directory Options): Specifiy range for <N> in
4547         -B option.  Use 'dir' not 'foo' as example directory name.
4548
4549 2001-07-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4550
4551         * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4552         Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
4553
4554 2001-07-03  Joseph S. Myers  <jsm28@cam.ac.uk>
4555
4556         * doc/cppinternals.texi: Improve formatting and logical markup.
4557
4558 2001-07-03  Andreas Jaeger  <aj@suse.de>
4559
4560         * Makefile.in (insn-recog.o): Add dependency on reload.h.
4561
4562         * genrecog.c (write_header): Include reload.h for prototypes in
4563         insn-recog.c.
4564
4565 2001-07-03  Neil Booth  <neil@daikokuya.demon.co.uk>
4566
4567 config:
4568         * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
4569         VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
4570         * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
4571         i386_pe_valid_type_attribute_p): Add.
4572         * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
4573         * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
4574
4575 Mon Jul  2 21:52:19 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4576
4577         * explow.c (plus_constant_wide, case LO_SUM): New case.
4578         (plus_constant_for_output_wide): Delete.
4579         * rtl.h (plus_constant_for_output): Delete.
4580         * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
4581         instead of plus_constant_for_output.
4582         * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
4583         * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
4584         * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
4585         * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
4586         * config/sparc/sparc.md: Likewise.
4587         Convert some change_address calls to adjust_address.
4588
4589 2001-07-03  Joseph S. Myers  <jsm28@cam.ac.uk>
4590
4591         * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
4592         doc/rtl.texi, doc/tm.texi: Improve formatting.  Improve
4593         documentation of -std and -Wwrite-strings.
4594
4595 2001-07-02  Geoffrey Keating  <geoffk@redhat.com>
4596
4597         * cse.c (canon_hash): Don't register registers in very small
4598         register classes, as extending their lifetime might cause
4599         reload to fail.
4600
4601 Mon Jul  2 23:14:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
4602
4603         * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
4604
4605         * flow.c (forwarder_block_p): Fix for fallthru blocks.
4606         (try_redirect_by_replacing_jump): Update properly the count
4607         and frequency information.
4608
4609 Mon Jul  2 14:20:13 2001  Jeffrey A Law  (law@cygnus.com)
4610
4611         * toplev.c (dump_file_index): Move SSA dumps just after first
4612         jump dump.
4613         (dump_file): Corresponding changes.
4614         (rest_of_compilation): Move SSA path to just after the first
4615         jump pass.
4616         * doc/gcc.texi (Passes): Update due to movement of SSA path.
4617         * doc/invoke.texi: Update dump file #s as they were completely
4618         out of date with reality.
4619
4620 2001-07-02  Geoffrey Keating  <geoffk@redhat.com>
4621
4622         * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
4623
4624         * expr.c (emit_move_insn_1): Deal with non-default
4625         STACK_PUSH_CODE.
4626
4627         * expr.c (emit_single_push_insn): Fix warning.
4628
4629 2001-07-02  Toshiyasu Morita  <toshiyasu.morita@hsa.hitachi.com>
4630
4631         * expr.c (emit_move_insn_1): Avoid modifying
4632         cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
4633
4634 Mon Jul  2 15:33:31 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4635
4636         * emit-rtl.c (adjust_address): New function.
4637         * expr.h (adjust_address): Add declaration.
4638         * builtins.c: Replace some calls to change_address with calls to it
4639         or to validize_mem.
4640         * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
4641         * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
4642         * config/arm/arm.c, config/convex/convex.c: Likewise.
4643         * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4644         * config/i386/i386.c, config/i386/i386.md: Likewise.
4645         * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
4646         * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
4647         * config/m88k/m88k.c, config/mips/mips.md: Likewise.
4648         * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
4649         * config/sh/sh.c, config/sparc/sparc.md: Likewise.
4650
4651 2001-07-02  Jim Wilson  <wilson@redhat.com>
4652
4653         * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
4654
4655 2001-07-02  Steve Ellcey  <sje@cup.hp.com>
4656
4657         * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
4658         * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
4659
4660 2001-07-02  Zack Weinberg  <zackw@stanford.edu>
4661
4662         * cppinit.c (lang_defaults): New table.
4663         (set_lang): Just read from lang_defaults into the live options
4664         structure.
4665
4666 2001-07-02  Zack Weinberg  <zackw@stanford.edu>
4667
4668         * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
4669         * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
4670         * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
4671
4672 2001-07-02  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4673
4674         * doc/install.texi: Various spelling and markup fixes.
4675         (Installing GCC): Component specific installation instructions are
4676         gone.
4677         Fix reference.
4678         Warn about removing old install dir in the presence of shared libs.
4679         (Configuration): Invoke with options target to match configure
4680         --help.
4681         Consistently refer to gas, gld pathnames.
4682         Invert --enable-multilib documentation.
4683         Remove references to old compiler versions.
4684
4685 Mon Jul  2 12:50:51 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4686
4687         * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
4688
4689 2001-07-02  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4690
4691         * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
4692         section.
4693         (Specific, mips*-sgi-irix5): Note IDO download.
4694         Reworded MIPS C hints.
4695         Use GNU as instead of GAS.
4696         Markup fixes.
4697         Removed SGI Freeware reference, IRIX 6 only.
4698         (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
4699         Note N64 library requirement/workaround.
4700         Update O32 hints.
4701         Complete list of structure passing bug victims.
4702
4703 2001-07-02  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
4704
4705         * doc/install.texi: Remove CVS Id.
4706
4707 2001-07-02  Andreas Jaeger  <aj@suse.de>
4708
4709         * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
4710         (find_inherently_necessary): Remove unused variable.
4711
4712 2001-07-02  Nathan Sidwell  <nathan@codesourcery.com>
4713
4714         * c-common.h (TDI_inlined): New ast dump phase.
4715         (dump_flag_name): New function.
4716         * c-dump.c (dump_files): Add inlined phase.
4717         (dump_flag_name): Define.
4718         * doc/invoke.texi (-fdump-ast-inlined): Document.
4719
4720 Mon Jul  2 06:29:36 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4721
4722         * stor-layout.c (layout_decl): Revert change to handling of alignment
4723         in packed types.
4724
4725 Sun Jul  1 11:53:52 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4726
4727         * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
4728         for FIELD_DECL.
4729
4730 2001-07-01  Geoffrey Keating  <geoffk@redhat.com>
4731
4732         * doc/tm.texi (FUNCTION_ARG): Document that the last call
4733         is special.
4734
4735 2001-07-01  Nathan Sidwell  <nathan@codesourcery.com>
4736
4737         * tlink.c (recompile_files): Remove COMPILER_PATH and
4738         LIBRARY_PATH from the environment.
4739
4740 2001-07-01  Zack Weinberg  <zackw@stanford.edu>
4741
4742         * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
4743         RID_LAST_PQ.  Move RID_FIRST_PQ down with the other FIRST/LAST
4744         enumerators.
4745         (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
4746
4747         * c-parse.in (OBJC_STRING): Kill.
4748         (objc_string): Decompose to [objc_string] '@' STRING.
4749         (reswords): Take the leading '@' off all the Objective C keywords.
4750         (objc_rid_sans_at): Kill.
4751         (init_reswords): Don't initialize it.
4752         (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
4753         (_yylex): Kill reconsider label.  Look ahead one token after
4754         an '@'; if we get an identifier, check whether it's an
4755         Objective C @-keyword.  If so, return the keyword.  Otherwise,
4756         put back the token and return the '@' as a terminal.
4757
4758         * cpplib.c (lex_macro_node): Remove unnecessary check for
4759         leading '@' on identifier.  Clarify control flow and commentary.
4760
4761 Sun Jul  1 11:53:52 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4762
4763         * cse.c (new_label_ref): Variable deleted.
4764         (insert): Remove set of new_label_ref.
4765         (check_for_label_ref): New function.
4766         (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
4767
4768 See ChangeLog.5 for earlier changes.