gcc/ChangeLog

   1 2001-08-10  Kazu Hirata  <kazu@hxi.com>
   2
   3         * config/h8300/h8300.h: Fix formatting.
   4
   5 2001-08-08  Jason Merrill  <jason_merrill@redhat.com>
   6
   7         * c-common.h (RETURN_NULLIFIED_P): Lose.
   8         * c-semantics.c (genrtl_return_stmt): Don't check it.
   9
  10 2001-08-10  Richard Sandiford  <rsandifo@redhat.com>
  11
  12         * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
  13         (mips_annotate_frame_insn): New function.
  14         (mips_emit_frame_related_store): New function.
  15         (save_restore_insns): Don't mark instructions that set up the base
  16         registers as frame-related.  Add REG_FRAME_RELATED_EXPR notes to
  17         the store instructions instead.
  18         (mips_expand_prologue): If the stack size is moved into a temporary
  19         register, do not mark that move as frame-related.  Add a
  20         REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
  21
  22 2001-08-10  Richard Sandiford  <rsandifo@redhat.com>
  23
  24         * config/mips/mips.c (save_restore_insns): Don't mark the RA's
  25         stack slot as unchanging if current_function_calls_eh_return.
  26
  27 2001-08-10  Richard Sandiford  <rsandifo@redhat.com>
  28
  29         * config/mips/mips.md (reload_outcc): Use HARD_REGNO_NREGS to
  30         access the second half of the TFmode scratch operand.
  31
  32 2001-08-10  Anthony Green  <green@redhat.com>
  33
  34         * java/class.c (emit_register_classes): Conditionalize code on
  35         JCR_SECTION_NAME.
  36
  37 2001-08-10  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
  38
  39         * doc/install.texi (Specific, avr): Fix cross-reference to the
  40         main manual to work both for info and HTML versions.
  41
  42 2001-08-09  John David Anglin  <dave@hiauly1.hia.nrc.ca>
  43
  44         * stmt.c (expand_null_return_1): Remove code to generate simple returns
  45         and "use_goto" argument.
  46         (expand_null_return, expand_value_return): Update all callers.
  47         * function.c (expand_function_end): Remove code to generate simple
  48         return.
  49         * config/vax/vax.md (epilogue): New expander for function return.
  50         * doc/md.texi (epilogue): Remove "if defined".
  51
  52 2001-08-09  Zack Weinberg  <zackw@stanford.edu>
  53
  54         * Makefile.in: Partially revert my previous change:
  55         put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
  56         of the hashtab.o and safe-ctype.o rules.
  57
  58 2001-08-09  Richard Henderson  <rth@redhat.com>
  59
  60         * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
  61         (USE_COLLECT2): Remove duplicate definition.
  62         * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
  63         (use_collect2): Remove dead code.
  64         * configure.in (use_collect2): Remove will_use_collect2 and
  65         maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
  66         * configure: Rebuild.
  67
  68         * target.h (targetm.asm_out.constructor): New.
  69         (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
  70         * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
  71         (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
  72         * varasm.c (in_ctors, in_dtors): New.
  73         (assemble_constructor, assemble_destructor): Remove.
  74         (default_stabs_asm_out_destructor): New.
  75         (default_named_section_asm_out_destructor): New.
  76         (dtors_section, default_dtor_section_asm_out_destructor): New.
  77         (default_stabs_asm_out_constructor): New.
  78         (default_named_section_asm_out_constructor): New.
  79         (ctors_section, default_ctor_section_asm_out_constructor): New.
  80         * output.h: Update declarations.
  81         * c-decl.c (c_expand_body): Use target hooks instead of
  82         assemble_constructor and assemble_destructor.
  83         * profile.c (output_func_start_profiler): Likewise.
  84         * objc/objc-act.c (finish_objc): Likewise.
  85         (build_module_descriptor): Tidy.  Set TREE_PUBLIC properly
  86         for the constructor.
  87         * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
  88
  89         * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
  90         (DTORS_SECTION_ASM_OP): Likewise.
  91         (__CTOR_LIST__): Use attribute section when possible.
  92         (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
  93
  94         * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
  95         ASM_OUTPUT_CONSTRUCTOR.
  96
  97         * config/darwin.c (machopic_asm_out_constructor): New.
  98         (machopic_asm_out_destructor): New.
  99         * config/darwin-protos.h: Update declarations.
 100         * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
 101         (ASM_OUTPUT_DESTRUCTOR): Remove.
 102         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
 103         * config/nextstep.c (nextstep_asm_out_constructor): New.
 104         (nextstep_asm_out_destructor): New.
 105         * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
 106         (ASM_OUTPUT_DESTRUCTOR): Remove.
 107         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
 108         * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
 109         ASM_OUTPUT_*STRUCTOR.
 110         * config/i386/aix386ng.h: Likewise.
 111
 112         * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
 113         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
 114         (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
 115         (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
 116         * config/lynx.h: Likewise.
 117         * config/netware.h: Likewise.
 118         * config/psos.h: Likewise.
 119         * config/alpha/alpha-interix.h: Likewise.
 120         * config/alpha/elf.h: Likewise.
 121         * config/arc/arc.h: Likewise.
 122         * config/arm/aof.h: Likewise.
 123         * config/arm/coff.h: Likewise.
 124         * config/arm/elf.h: Likewise.
 125         * config/c4x/c4x.h: Likewise.
 126         * config/h8300/h8300.h: Likewise.
 127         * config/i386/cygwin.h: Likewise.
 128         * config/i386/djgpp.h: Likewise.
 129         * config/i386/i386-coff.h: Likewise.
 130         * config/i386/i386-interix.h: Likewise.
 131         * config/i386/sco5.h: Likewise.
 132         * config/i386/vsta.h: Likewise.
 133         * config/i386/win32.h: Likewise.
 134         * config/i960/i960-coff.h: Likewise.
 135         * config/ia64/sysv4.h: Likewise.
 136         * config/m68hc11/m68hc11.h: Likewise.
 137         * config/m68k/coff.h: Likewise.
 138         * config/m68k/mot3300.h: Likewise.
 139         * config/m88k/m88k.h: Likewise.
 140         * config/mcore/mcore-pe.h: Likewise.
 141         * config/mcore/mcore.h: Likewise.
 142         * config/mips/elf.h: Likewise.
 143         * config/mips/elf64.h: Likewise.
 144         * config/mips/iris6.h: Likewise.
 145         * config/pa/pa64-hpux.h: Likewise.
 146         * config/rs6000/sysv4.h: Likewise.
 147         * config/sh/sh.h: Likewise.
 148         * config/sparc/litecoff.h: Likewise.
 149
 150         * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
 151         (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
 152         (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
 153         * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
 154         (ASM_OUTPUT_DESTRUCTOR): Remove.
 155         * config/a29k/a29k.c: Move include of tree.h.
 156         * config/a29k/udi.h: Delete file.
 157         * config/alpha/alpha.c (vms_asm_out_constructor): New.
 158         (vms_asm_out_destructor): New.
 159         * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
 160         (EXTRA_SECTION_FUNCTIONS): Likewise.
 161         (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
 162         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
 163         * config/c4x/c4x.c: Move include of tree.h.
 164         * config/clipper/clipper.c (clix_asm_out_constructor): New.
 165         (clix_asm_out_destructor): New.
 166         * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
 167         (ASM_OUTPUT_DESTRUCTOR): Remove.
 168         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
 169         * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
 170         (TARGET_ASM_CONSTRUCTOR): New.
 171         * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
 172         (sco_asm_out_constructor): New.
 173         * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
 174         * config/i386/svr3gas.h: Remove stack grows up code.
 175         Remove code duplicated from i386/sysv3.h.
 176         (TARGET_ASM_CONSTRUCTOR): New.
 177         (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
 178         (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
 179         * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
 180         (TARGET_ASM_CONSTRUCTOR): New.
 181         * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
 182         (m68hc11_asm_out_destructor): New.
 183         * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
 184         (TARGET_ASM_DESTRUCTOR): New.
 185         * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
 186         * config/m68k/dpx2.h: Properly undef all the bits inherited from
 187         config/svr3.h pertaining to section manipulation.
 188         * config/m68k/dpx2g.h: Remove #if 0 code.
 189         * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
 190         * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
 191         (ASM_OUTPUT_CONSTRUCTOR): Remove.
 192         (TARGET_ASM_CONSTRUCTOR): New.
 193         * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
 194         (m88k_svr3_asm_out_constructor): New.
 195         (m88k_svr3_asm_out_destructor): New.
 196         * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
 197         (ASM_OUTPUT_DESTRUCTOR): Remove.
 198         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
 199         * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
 200         * config/rs6000/aix.h: Likewise.
 201         * config/mips/rtems64.h: Don't undef removed constructor related bits.
 202         * config/mips/vxworks.h: Likewise.
 203         * config/rs6000/lynx.h: Likewise.
 204         * config/sh/elf.h: Likewise.
 205         * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
 206         (DTORS_SECTION_ASM_OP): New.
 207         * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
 208         (ASM_OUTPUT_DESTRUCTOR): Remove.
 209         * config/sparc/sol2-sld-64.h: Likewise.
 210         * config/vax/vax.c (vms_asm_out_constructor): New.
 211         (vms_asm_out_destructor): New.
 212         * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
 213         (ASM_OUTPUT_DESTRUCTOR): Remove.
 214         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
 215
 216         * doc/tm.texi (@node Initialization): Update.
 217
 218 2001-08-09  Richard Henderson  <rth@redhat.com>
 219
 220         * config/alpha/crtbegin.asm (__JCR_LIST__): New.
 221         (__do_global_dtors_aux): Use gp-relative static data to avoid
 222         one dynamic relocation.
 223         (__do_frame_setup): Register Java classes.
 224         * config/alpha/crtend.asm (__JCR_END__): New.
 225
 226 2001-08-09  Zack Weinberg  <zackw@stanford.edu>
 227
 228         * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
 229         (CONFIG_H, TCONFIG_H, TM_P_H): Update.
 230         (GEN, STAGESTUFF): Add new files.
 231         (insn-constants.h, s-constants, tm-preds.h, s-preds,
 232         genconstants, genpreds, genconstants.o, genpreds.o): New rules.
 233         (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
 234         * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
 235         as well as insn-codes.h and insn-flags.h in config.h; and no
 236         extra headers in tconfig.h and hconfig.h.
 237
 238         * gencodes.c: Eliminate code to generate predicate declarations
 239         or #defines for md-file constants.
 240         * genconstants.c, genpreds.c: New files.
 241
 242         * i386.md: Re-order guard expressions such that TARGET_64BIT
 243         comes first, when this permits better optimization.  Add
 244         TARGET_64BIT to more x86-64 patterns.  Add comment explaining
 245         why this is desirable.
 246
 247 2001-08-09  Jakub Jelinek  <jakub@redhat.com>
 248
 249         * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
 250         (find_fde_for_dso): Remove.
 251         (_Unwind_IteratePhdrCallback): New.
 252         (_Unwind_FindTableEntry): Use dl_iterate_phdr.
 253         * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
 254
 255 Thu Aug  9 11:30:20 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 256
 257         * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
 258         (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
 259
 260 2001-08-09  Graham Stott  <grahams@redhat.com>
 261
 262         * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
 263         (vis_no_unit): Use it.
 264         (visualize_no_unit): Add the insn only if room exists.
 265
 266 2001-08-09  Graham Stott  <grahams@redhat.com>
 267
 268         * predict.c (estimate_probability): Replace magic numbers with
 269         appropriate enumeration.
 270
 271 2001-08-09  Graham Stott  <grahams@redhat.com>
 272
 273         * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
 274         parameter.
 275         (EXTRACT_FLAGS): Likewise.
 276
 277 2001-08-09  Aldy Hernandez  <aldyh@redhat.com>
 278
 279         * config/mips/mips.c    (mips_legitimate_address_p): Check for
 280         CONST_INT in last patch.
 281
 282 2001-08-08  Anthony Green  <green@redhat.com>
 283
 284         * java/class.c (emit_register_classes): Use assemble_jcr if
 285         possible.  Keep the original mechanism as a fallback.
 286         * defaults.h (JCR_SECTION_NAME): Define if we have named section
 287         and weak symbol support.
 288         * crtstuff.c (__JCR_LIST__): Define.
 289         (__JCR_END__): Define.
 290         (_Jv_RegiserClasses): Define weak symbol if possible.
 291         (__do_global_ctors_aux): Register classes for ELF targets with
 292         weak symbol support.
 293
 294 2001-08-08  Kazu Hirata  <kazu@hxi.com>
 295
 296         * dbxout.c: Fix comment formatting.
 297         * dependence.c: Likewise.
 298         * df.c: Likewise.
 299         * diagnostic.c: Likewise.
 300         * dominance.c: Likewise.
 301         * doprint.c: Likewise.
 302         * dwarf2out.c: Likewise.
 303         * dwarfout.c: Likewise.
 304         * emit-rtl.c: Likewise.
 305         * except.c: Likewise.
 306         * explow.c: Likewise.
 307         * expmed.c: Likewise.
 308         * expr.c: Likewise.
 309         * flow.c: Likewise.
 310         * fold-const.c: Likewise.
 311         * function.c: Likewise.
 312
 313 2001-08-08  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
 314
 315         * global.c (retry_global_alloc): Avoid shadowing allocno.
 316
 317 2001-08-08  Mark Mitchell  <mark@codesourcery.com>
 318
 319         * except.c (remove_fixup_regions): Fix typo.
 320
 321 2001-08-08  Jan van Male <jan.vanmale@fenk.wau.nl>
 322
 323         * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
 324         unsigned HOST_WIDE_INT to avoid warning.
 325         * final.c (final): Cast INSN_UID to unsigned to avoid warning.
 326         * flow.c (set_block_for_new_insns): Likewise.
 327
 328 Wed Aug  8 21:08:14 CEST 2001  Jan Hubicka  <jh@suse.cz>
 329
 330         * sibcall.c (return_value_pseudo): New static variable.
 331         (skip_copy_to_return_value): Handle return_value_pseudo.
 332         (call_ends_block_p): Ensure that return_value_pseudo is set.
 333         (optimize_sibling_and_tail_recursive_call): Discover the
 334         load of pseudo return value in alternate exit block.
 335
 336 Wed Aug  8 21:06:43 CEST 2001  Jan Hubicka  <jh@suse.cz>
 337
 338         * calls.c (ECF_ALWAYS_RETURN): New constant.
 339         (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
 340         (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
 341         (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
 342         * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
 343         * rtl.c (reg_note_name): New name.
 344         * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
 345
 346 2001-08-07  Aldy Hernandez  <aldyh@redhat.com>
 347
 348         * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
 349
 350 2001-08-08  Jason Merrill  <jason_merrill@redhat.com>
 351
 352         * alias.c (get_alias_set): Return a previously calculated
 353         alias set for a VAR_DECL.
 354         * function.c (gen_mem_addressof): Calculate the alias set before
 355         touching the RTL.
 356
 357 Wed Aug  8 18:44:37 CEST 2001  Jan Hubicka  <jh@suse.cz>
 358
 359         * predict.def: Set hitrates according our experimental run.
 360
 361 Wed Aug  8 18:01:58 CEST 2001  Jan Hubicka  <jh@suse.cz>
 362
 363         * i386.h (HARD_REGNO_RENAME_OK): New macro.
 364
 365 2001-08-08  H.J. Lu <hjl@gnu.org>
 366
 367         * config/mips/mips.c (mips_unique_section): New. Copied from
 368         config/mips/elf.h.
 369
 370         * config/mips/mips-protos.h (mips_unique_section): New
 371         prototype.
 372
 373         * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
 374
 375         * config/mips/little.h: New. Generic little endian mips
 376         targets. Only mips*-*-linux* is converted to use it so far.
 377
 378         * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
 379         (WCHAR_TYPE): Defined
 380         (WCHAR_TYPE_SIZE): Likewise.
 381         (INIT_SUBTARGET_OPTABS): Likewise.
 382         (BSS_SECTION_ASM_OP): Likewise.
 383         (SBSS_SECTION_ASM_OP): Likewise.
 384         (ASM_OUTPUT_ALIGNED_BSS): Likewise.
 385         (ASM_DECLARE_OBJECT_NAME): Likewise.
 386         (UNIQUE_SECTION): Likewise.
 387         (EXTRA_SECTIONS): Likewise.
 388         (ASM_OUTPUT_CONSTRUCTOR): Likewise.
 389         (ASM_OUTPUT_DESTRUCTOR): Likewise.
 390         (ASM_OUTPUT_DEF): Likewise.
 391         (HANDLE_SYSV_PRAGMA): Removed.
 392         (NO_IMPLICIT_EXTERN_C): Likewise.
 393         (TARGET_MEM_FUNCTIONS): Likewise.
 394         (STARTFILE_SPEC): Likewise.
 395         (ENDFILE_SPEC): Likewise.
 396         (LIB_SPEC): Likewise.
 397         (INVOKE__main): Likewise.
 398         (CTOR_LIST_BEGIN): Likewise.
 399         (CTOR_LIST_END): Likewise.
 400         (DTOR_LIST_BEGIN): Likewise.
 401         (DTOR_LIST_END): Likewise.
 402         (SET_ASM_OP): Likewise.
 403         (ASM_OUTPUT_SOURCE_LINE): Likewise.
 404         (ASM_OUTPUT_DEF): Likewise.
 405         (ASM_OUTPUT_IDENT): Likewise.
 406
 407         * config/mips/mips.h (ASM_SPEC): Undefine before define.
 408         (CPLUSPLUS_CPP_SPEC): Likewise.
 409         (ASM_APP_ON) Redefine only if not defined.
 410         (ASM_APP_OFF): Likewise.
 411         (ASM_OUTPUT_SOURCE_LINE): Likewise.
 412         (ASM_OUTPUT_IDENT): Likewise.
 413
 414         * config.gcc: Update tm_file for Linux/mips.
 415
 416 2001-08-08  Bernd Schmidt  <bernds@redhat.com>
 417
 418         * cselib.c (cselib_record_sets): If insn is predicated, turn
 419         sources into IF_THEN_ELSEs.
 420
 421         * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
 422         Turn into define_insn_and_split.
 423
 424         * sched-deps.c: Include "cselib.h".
 425         (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
 426         Use cselib to turn memory addresses into VALUEs.
 427         (sched_analyze): Call cselib_init/cselib_finish if necessary.
 428         * sched-int.h (struct sched_info): New member USE_CSELIB.
 429         * sched-ebb.c (ebb_sched_info): Initialize it.
 430         * sched-rgn.c (rgn_sched_info): Likewise.
 431         * Makefile.in (sched-deps.o): Update dependencies.
 432
 433         * cselib.h (cselib_subst_to_values): Declare.
 434         * cselib.c (cselib_subst_to_values): No longer static.  Allow MEMs
 435         that have no value and autoincs to be handled by generating a new
 436         dummy value.
 437
 438 2001-08-08  Graham Stott  <grahams@redhat.com>
 439
 440         * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
 441         within fixed length SEQUENCE.
 442
 443 2001-08-08  Graham Stott  <grahams@redhat.com>
 444
 445         * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
 446         (diagnostic_prefixing_rule): Likewise.
 447         (diagnostic_line_cutoff): Likewise.
 448         (diagnostic_kind_count): Likewise.
 449
 450 2001-08-08  Graham Stott  <grahams@redhat.com>
 451
 452         * alias.c (find_base_decl): Delete redundent assignment.
 453
 454 2001-08-08  Graham Stott  <grahams@redhat.com>
 455
 456         * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
 457         (abs): Uppercase and paranthesize macro parameter.
 458         (MEM_DEPENDENCY): Add whitespace.
 459
 460 2001-08-08  Graham Stott  <grahams@redhat.com>
 461
 462         * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
 463         failure check for CONST_INT
 464
 465 2001-08-08  Graham Stott  <grahams@redhat.com>
 466
 467         * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
 468         (libcall_dead_p): Likewise.
 469
 470         (mark_used_regs): Constify fmt.
 471         (find_use_as_address): Likewise.
 472
 473 2001-08-08  Graham Stott  <grahams@redhat.com>
 474
 475         * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
 476          parameter.
 477
 478 2001-08-08  Graham Stott  <grahams@redhat.com>
 479
 480         * combine.c (combine_simplify_rtx): Update comment and
 481         remove erroneous test.
 482
 483 2001-08-07  Neil Booth  <neil@daikokuya.demon.co.uk>
 484
 485         * cppinit.c (cpp_finish): Pop the final buffer without comment.
 486         * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
 487         take care to avoid multiple no-newline at EOF warnings in that
 488         case.
 489
 490 Tue Aug  7 22:18:06 CEST 2001  Jan Hubicka  <jh@suse.cz>
 491
 492         * calls.c (expand_call): Do not emit INSN_SETJMP note.
 493         (emit_library_call_value_1): Likewise.
 494         (emit_call_1): Emit REG_SETJMP note.
 495         * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
 496         of INSN_SETJMP
 497         * cselib.c (cselib_process_insn): Likewise.
 498         * flow.c (propagate_block): Likewise.
 499         * loop.c (find_and_verify_loops): Likewise.
 500         * reload.c (find_equiv_regs): Likewise.
 501         * reload1.c (reload): Likewise.
 502         * resource.c (mark_referenced_resources,
 503         mark_set_resources): Likewise.
 504         * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
 505         * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
 506         * haifa-sched.c (unlink_other_notes): Likewise.
 507         (reemit_notes): Likewise.
 508         * sched-ebb.c (sched_ebb): Likewise.
 509         * sched-rgc.c (sched_region): Likewise.
 510         * rtl.c (note_insn_name): Likewise.
 511         (reg_note_name): Add REG_SETJMP
 512         * rtl.h (reg_note): Add REG_SETJMP.
 513         (insn_note): Remove NOTE_INSN_SETJMP.
 514
 515         * profile.c (branch_prob): Add fake edges for setjmp.
 516
 517 2001-08-07  Daniel Jacobowitz  <drow@mvista.com>
 518
 519         * config.gcc: Quote target_cpu_default2 correctly for
 520         powerpc*-*-* targets.
 521
 522 2001-08-07  Neil Booth  <neil@daikokuya.demon.co.uk>
 523
 524         * cpplib.h, line-map.h: Update comments.
 525         * cppmain.c (printer_init): Move inline.
 526         (maybe_print_line, print_line): Take a map pointer.
 527         (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
 528         (cb_file_change): Don't use prior value of print.map.
 529
 530 2001-08-07  David Edelsohn  <edelsohn@gnu.org>
 531
 532         * doc/install.texi: Document fine-grained multilib configuration.
 533
 534 Tue Aug  7 16:52:54 CEST 2001  Jan Hubicka  <jh@suse.cz>
 535
 536         * rtlanal.c (find_first_parameter_load): Call note_stores
 537         only on the instructions.
 538
 539 Tue Aug  7 14:56:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
 540
 541         * alias.c (nonlocal_mentioned_p):
 542         Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
 543         * calls.c (emit_call_1): Likewise.
 544         * cse.c (cse_insn, invalidate_skipped_block): Likewise.
 545         * cselib.c (cselib_process_insn): Likewise.
 546         * df.c (df_insns_modify): Likewise.
 547         * flow.c (need_fake_edge_p): Likewise.
 548         (propagate_one_insn): Likewise.
 549         * haifa-sched.c (reemit_notes): Likewise.
 550         * integrate.c (copy_insn_list): Likewise.
 551         * jump.c (delete_prior_computation): Likewise.
 552         * local-alloc.c (validate_equiv_mem): Likewise.
 553         * loop.c (scan_loop): Likewise.
 554         * predict.c (estimate_probability): Likewise.
 555         * reload.c (reload): Likewise.
 556         * sched-deps (sched_analyze): Likewise.
 557         * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
 558         * gcse.c (compute_hash_table): Likewise.
 559         (mark_call): Likewise.
 560         (store_killed_in_insn): Likewise.
 561
 562 2001-08-07  Jason Merrill  <jason_merrill@redhat.com>
 563
 564         * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
 565
 566 2001-08-06  Richard Henderson  <rth@redhat.com>
 567
 568         * varasm.c (assemble_gc_entry): Remove.
 569         * output.h: Likewise.
 570
 571 2001-08-06  Richard Henderson  <rth@redhat.com>
 572
 573         * varasm.c (assemble_constructor): Take a symbol_ref and a
 574         priority instead of a bare string.  Move priority handling
 575         here from cp/decl2.c.
 576         * output.h: Update decls.
 577
 578         * c-decl.c (c_expand_body): Update calls to assemble_constructor
 579         and assemble_destructor.
 580         * profile.c (output_func_start_profiler): Likewise.
 581         * objc/objc-act.c (finish_objc): Likewise.
 582         (build_module_descriptor): Return the symbol not the symbol name.
 583
 584 2001-08-06  David Edelsohn  <edelsohn@gnu.org>
 585
 586         * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
 587         * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
 588         ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
 589         * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
 590         * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
 591         * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
 592
 593 2001-08-06  Neil Booth  <neil@daikokuya.demon.co.uk>
 594
 595         * cpperror.c (print_containing_files): Moved to line-map.c.
 596         (print_location): line-map.c handles re-listing or otherwise.
 597         * cpphash.h (struct lexer_state): Remove next_bol.
 598         (struct cpp_buffer): Remove include_stack_listed.
 599         * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
 600         Remove faked buffer handling.
 601         (_cpp_do_file_change): Tweak.
 602         * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
 603         * cppmain.c (struct printer): Remove filename.
 604         (print_line, cb_file_change): Update accordingly.
 605         * line-map.c: Include intl.h.
 606         (init_line_maps): Initialize last_listed.
 607         (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
 608         (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
 609         (print_containing_files): New.
 610         * line-map.h (struct line_maps): New member last_listed.
 611         (print_containing_files, INCLUDED_FROM): New.
 612         * Makefile.in: Update.
 613         * po/POTFILES.in: Add line-map.c.
 614
 615 2001-08-06  Richard Henderson  <rth@redhat.com>
 616
 617         * except.c (convert_from_eh_region_ranges_1): Never mark
 618         USE or CLOBBER insns as throwing.
 619
 620         * expr.c (store_constructor): Don't clobber memory targets.
 621
 622 2001-08-06  Andreas Jaeger  <aj@suse.de>
 623
 624         * profile.c (branch_prob): Remove unused variable insn.
 625
 626         * Makefile.in (local-alloc.o): Add dependency on except.h.
 627
 628         * local-alloc.c: Include except.h for can_throw_internal prototype.
 629
 630 2001-08-06  Richard Henderson  <rth@redhat.com>
 631
 632         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
 633         * function.c (expand_main_function): Implement it.
 634         * doc/tm.texi: Document it.
 635
 636 2001-08-06  Stan Shebs  <shebs@apple.com>
 637
 638         * doc/install.texi: Document powerpc-*-darwin* details.
 639
 640 2001-08-06  Daniel Berlin  <dan@cgsoftware.com>
 641
 642         * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
 643         (ASM_CPU_SPEC): Move back to rs6000.h
 644         #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
 645
 646         * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
 647
 648         * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
 649         readded.
 650
 651         * config/rs6000/linux64.h: Ditto.
 652
 653         * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
 654         to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
 655         nothing.
 656
 657         Remove accidently readded definitions of FUNCTION_PROLOGUE,
 658         FUNCTION_EPILOGUE,  ASM_OPEN_PAREN, ASM_CLOSE_PAREN
 659
 660         * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
 661         to rs6000.h
 662
 663 2001-08-05  Richard Henderson  <rth@redhat.com>
 664
 665         * local-alloc.c (update_equiv_regs): Do not move insns that
 666         can throw.
 667
 668 2001-08-05  Jan Hubicka  <jh@suse.cz>
 669
 670         * Makefile.in (reload1.o): Add dedendancy on except.h
 671         * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
 672         prototypes.
 673         * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
 674         indicating wehther edges has been cleaned up.
 675         * reload1.c: Inlucde except.h
 676         (fixup_abnormal_edges): Accept deleted insns.
 677         * toplev.c (rest_of_compilation): Purge dead edges unconditionally
 678         after combine.
 679
 680 2001-08-06  Neil Booth  <neil@daikokuya.demon.co.uk>
 681
 682         * cpplib.c (do_line): Correct line number after pop_buffer.
 683
 684 2001-08-05  Neil Booth  <neil@daikokuya.demon.co.uk>
 685
 686         PR preprocessor/3824
 687         * line-map.c: Update comments.
 688         * line-map.h: Update comments.
 689         * tradcif.y: Don't consider large numbers unsigned.
 690
 691 2001-08-05  Neil Booth  <neil@daikokuya.demon.co.uk>
 692
 693         PR preprocessor/3081
 694         * c-lex.c (map): New.
 695         (cb_file_change): Update map and use it.
 696         (cb_def_pragma, cb_define, cb_undef): Use map and line.
 697         (c_lex): Update to use map.
 698         * cpperror.c (print_location): Move to using logical line numbers.
 699         * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
 700         (cpp_make_system_header): Similarly.
 701         (_cpp_execute_include): Stop line numbering hacks.  Store the
 702         line we will return to.
 703         * cpphash.h (CPP_BUF_LINE): Remove.
 704         (struct cpp_buffer): Remove lineno and pseudo_newlines.
 705         Add map and return_to_line.
 706         (_cpp_do_file_change): Update.
 707         * cppinit.c (cpp_start_read): Update line kludge.
 708         * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
 709         (trigraph_ok): Use logical line numbers for diagnostics.
 710         (skip_block_comment): Likewise.
 711         (skip_whitespace): Likewise.
 712         (skip_line_comment): Use pfile->line instead.
 713         (_cpp_lex_token): Update to use logical line numbering exclusively.
 714         Handle BOL locally.  Accept new lines in directives, but keep
 715         pfile->line decremented.  Diagnostics use logical lines.  Update
 716         directive handling.
 717         * cpplib.c (SEEN_EOL): New.
 718         (skip_rest_of_line, check_eol): Use it.
 719         (end_directive): Increase line number when accepting the newline
 720         at the end of a directive.
 721         (run_directive): Simplify.
 722         (do_line): Bad LC_LEAVEs become LC_RENAMEs.  Update.
 723         (_cpp_do_file_change): Update to take buffer line number as an
 724         argument, and store the current map in the cpp_reader.  Remove
 725         line number kludges.
 726         (_cpp_do__Pragma): Restore output position after a _Pragma.
 727         (cpp_push_buffer): Don't set output line or lineno.
 728         (_cpp_pop_buffer): Transfer more info from a faked buffer.
 729         Remove line kludge.  Set output_line.
 730         * cppmacro.c (builtin_macro): Update handling of __LINE__.
 731         (parse_arg): Use logical lines.
 732         (save_lookahead_token): Save EOFs too now.
 733         * cppmain.c (struct printer): Fix comments.
 734         (printer_init): Simplify, let caller do errors.
 735         (scan_translation_unit, check_multiline_token, dump_macro): Update.
 736         (maybe_print_line): Simplify.
 737         (print_line): Don't print a linemarker if -P.
 738         (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
 739         (cb_file_change): Simplify.
 740         * line-map.h (LAST_SOURCE_LINE): Fix.
 741         (CURRENT_LINE_MAP): New.
 742
 743 2001-08-05  Bernd Schmidt  <bernds@redhat.com>
 744
 745         * doloop.c (doloop_modify_runtime): Properly compute number of
 746         iterations if loop was unrolled.
 747
 748         * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
 749         if their CSELIB_VAL_PTRs are.
 750
 751         * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
 752         (setup_spill_pointers): Initialize it.
 753         (spill_restore_mem): Set it.
 754         (do_spill, do_restore): Use it to add REG_INC note.
 755         * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
 756
 757         * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
 758         asms if other insns are available.
 759
 760         * config/ia64/ia64.c (condop_operator): New predicate.
 761         * config/ia64/ia64.h (PREDICATE_CODES): Add it.
 762         * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
 763         patterns.
 764
 765         * expr.c (expand_expr, case COND_EXPR): Prefer working with a
 766         temporary register than directly using a MEM.
 767
 768 2001-08-04  Hans-Peter Nilsson  <hp@bitrange.com>
 769
 770         * config/sh/sh.c (sh_asm_named_section): Fix typo in align
 771         parameter in last change.
 772
 773 2001-08-04  Zack Weinberg  <zackw@panix.com>
 774
 775         * sparc.md: Don't use #if inside C test expression.
 776
 777 2001-08-04  Richard Henderson  <rth@redhat.com>
 778
 779         * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
 780
 781 2001-08-04  Neil Booth  <neil@daikokuya.demon.co.uk>
 782
 783         * cpphash.h (struct cpp_reader): New member directive_line.
 784         * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
 785         * cpplib.c (do_define, do_undef, do_ident, do_include_common,
 786         do_pragma): Pass line to callbacks.
 787         (start_directive): Record line of directive.
 788         * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
 789         cb_include): Similarly.
 790         * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
 791         Similarly.
 792
 793 2001-08-04  Hans-Peter Nilsson  <hp@bitrange.com>
 794
 795         * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
 796         comment.
 797
 798 Sat Aug  4 13:51:36 CEST 2001  Jan Hubicka  <jh@suse.cz>
 799
 800         * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
 801
 802         * reload1.c (fixup_abnormal_edges): New static function.
 803         (reload): Use it.
 804
 805         * flow.c (need_fake_edge_p): New function.
 806         (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
 807         avoid call insn to be very last insn in the insn stream.
 808
 809         * profile.c (branch_prob): Call flow_call_edges_add instead of
 810         doing that by hand; cleanup cfg to re-merge basic blocks once
 811         we are done.
 812
 813 2001-08-04  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
 814
 815         * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
 816         are also on line-map.h.
 817         * cppfiles.c (stack_include_file): Update.
 818         * cpphash.h (struct cpp_buffer): New member return_at_eof.
 819         (_cpp_pop_buffer): New.
 820         * cppinit.c (cpp_destroy, cpp_finish): Update.
 821         (do_includes): Mark each buffer to return at EOF.
 822         * cpplex.c (_cpp_lex_token): Pop buffers at EOF.  Continue or
 823         return as requested.
 824         * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
 825         (cpp_pop_buffer): Rename _cpp_pop_buffer.  Stop skipping.
 826         * cpplib.h (cpp_pop_buffer): Remove.
 827         (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
 828         * cppmacro.c (cpp_scan_buffer_nooutput): Similarly.  No need to pop
 829         buffers.
 830         * cppmain.c (scan_buffer): Rename scan_translation_unit.  No need
 831         to pop buffers.
 832         (do_preprocessing): Update.
 833         * fix-header.c (read_scan_file): Update.  No need to pop buffers.
 834         * c-parse.in (_yylex): Similarly.
 835         * scan-decls.c (scan_decls): Similarly.
 836         * line-map.h: Update comments.
 837
 838         * objc/Make-lang.in (objc-act.o): Update dependencies.
 839
 840 2001-08-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 841
 842         * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
 843         and soft register for operand 0.
 844         ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
 845
 846 2001-08-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 847
 848         * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
 849         register for operand 0.
 850         ("bitcmpqi_z_used"): Allow memory for operand 0.
 851         (split "bitcmpqi"): New split to handle address reg as operand 1.
 852
 853 2001-08-04  Andreas Jaeger  <aj@suse.de>
 854
 855         * gcse.c: Revert Daniel's last patch.
 856
 857 2001-08-03  Zack Weinberg  <zackw@stanford.edu>
 858
 859         * sparc-protos.h: Add prototypes for fp_zero_operand and
 860         reg_or_0_operand.
 861         * sh-protos.h: Add prototype for fpul_operand.
 862
 863 2001-08-04  Hans-Peter Nilsson  <hp@bitrange.com>
 864
 865         * doc/extend.texi (Other Builtins): Fix typo in last change.
 866
 867 2001-08-03  Richard Henderson  <rth@redhat.com>
 868
 869         * target.h (gcc_target): Add asm_out.named_section,
 870         section_type_flags, have_named_sections.
 871         * target-def.h (TARGET_ASM_NAMED_SECTION): New.
 872         (TARGET_HAVE_NAMED_SECTIONS): New.
 873         (TARGET_SECTION_TYPE_FLAGS): New.
 874
 875         * Makefile.in (toplev.o): Depend on TARGET_H.
 876         (varasm.o, dbxout.o): Likewise.
 877         * c-common.c (decl_attributes): Check targetm.have_named_sections
 878         instead of ifdef ASM_OUTPUT_SECTION_NAME.
 879         * dbxout.c (dbxout_function_decl): Likewise.
 880         (dbxout_function_end): Likewise.
 881         * toplev.c (compile_file): Likewise.
 882         * varasm.c (exception_section): Likewise.
 883         * cp/decl2.c (finish_objects): Likewise.
 884
 885         * defaults.h (EH_FRAME_SECTION): Remove.
 886         (EH_FRAME_SECTION_ASM_OP): Remove.
 887         (EH_FRAME_SECTION_NAME): New.
 888         (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
 889         (UNIQUE_SECTION_P): Remove.
 890         * dwarf2out.c (SECTION_FORMAT): Remove.
 891         (ASM_OUTPUT_SECTION): Remove.
 892         (output_call_frame_info): Use named_section_flags.
 893         (output_comp_unit, dwarf2out_start_source_file): Likewise.
 894         (dwarf2out_end_source_file, dwarf2out_define): Likewise.
 895         (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
 896         * varasm.c (in_eh_frame, eh_frame_section): Remove.
 897         (named_section_flags): New.
 898         (named_section): Use it and targetm.section_type_flags.
 899         (resolve_unique_section): New.
 900         (assemble_start_function): Use it.
 901         (asm_emit_uninitialised, assemble_variable): Likewise.
 902         (default_section_type_flags): New.
 903         (default_no_named_section, default_elf_asm_named_section): New.
 904         (default_coff_asm_named_section, default_pe_asm_named_section): New.
 905         * output.h: Update varasm.c decls.
 906         (SECTION_*): New flags.
 907
 908         * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
 909         (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
 910
 911         * config/elfos.h (UNIQUE_SECTION_P): Remove.
 912         * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
 913         * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
 914         * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
 915         * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
 916         * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
 917         * config/mips/elf.h, config/mips/elf64.h: Likewise.
 918         * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
 919         * config/pa/pa64-hpux.h,
 920
 921         * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
 922         (TARGET_ASM_NAMED_SECTION): New.
 923         * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
 924         * config/alpha/vms.h, config/arm/coff.h: Likewise.
 925         * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
 926         * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
 927         * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
 928         * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
 929         * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
 930         * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
 931         * config/i386/sco5.h, config/i386/win32.h: Likewise.
 932         * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
 933         * config/mcore/mcore.h, config/mips/elf.h: Likewise.
 934         * config/mips/elf64.h, config/mips/iris6.h: Likewise.
 935         * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
 936         * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
 937         * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
 938         * config/sparc/sysv4.h: Likewise.
 939
 940         * config/nextstep.h: Error until named sections implemented.
 941
 942         * config/a29k/a29k.c (a29k_asm_named_section): New.
 943         * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
 944         (vms_section_type_flags, vms_asm_named_section): New.
 945         * config/arm/arm.c (arm_elf_asm_named_section): New.
 946         * config/avr/avr.c (asm_output_section_name): Remove.
 947         * config/avr/avr-protos.h: Update.
 948         * config/c4x/c4x.c (c4x_asm_named_section): New.
 949         * config/h8300/h8300.c (h8300_asm_named_section): New.
 950         * config/i386/i386.c (sco_asm_named_section): New.
 951         * config/i386/winnt.c (SECTION_PE_SHARED): New.
 952         (i386_pe_section_type_flags): New.
 953         (i386_pe_asm_named_section): New.
 954         * config/i386/i386-protos.h: Update.
 955         * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
 956         * config/mcore/mcore.c (mcore_asm_named_section): New.
 957         * config/mips/mips.c (iris6_asm_named_section): New.
 958         * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
 959         instead of UNIQUE_SECTION_P.
 960         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
 961         (xcoff_asm_named_section): New.
 962         * config/sh/sh.c (sh_asm_named_section): New.
 963         * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
 964
 965         * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
 966         * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
 967         (EH_FRAME_SECTION_NAME): New.
 968         (EXCEPTION_SECTION): New.
 969         * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
 970         (DEBUG_*_SECTION): Remove.
 971         * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
 972         * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
 973         (EH_FRAME_SECTION_ASM_OP): Remove.
 974
 975         * doc/tm.texi (UNIQUE_SECTION_P): Remove.
 976         (ASM_OUTPUT_SECTION_NAME): Remove.
 977         (TARGET_ASM_NAMED_SECTION): New.
 978         (TARGET_HAVE_NAMED_SECTIONS): New.
 979         (TARGET_SECTION_TYPE_FLAGS): New.
 980         (EH_FRAME_SECTION_ASM_OP): Remove.
 981         (EH_FRAME_SECTION_NAME): New.
 982
 983 2001-08-03  Zack Weinberg  <zackw@stanford.edu>
 984
 985         * builtins.c (fold_builtin_constant_p): Return integer_zero_node
 986         for complex expressions when cfun == 0.
 987         * doc/extend.texi: Document that __builtin_constant_p can be
 988         used in data initializers as well as functions.
 989
 990 2001-08-03  Alexandre Oliva  <aoliva@redhat.com>
 991
 992         * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
 993         variable I locally, instead of expecting a declaration in the
 994         calling context.
 995
 996 2001-08-03  Richard Henderson  <rth@redhat.com>
 997
 998         * except.c (collect_one_action_chain): Add an explicit cleanup
 999         action if regions surrounding a catch were encoded entirely
1000         within the call-site entry.
1001
1002 2001-08-03  Richard Henderson  <rth@redhat.com>
1003
1004         * dbxout.c (dbxout_symbol_location): Flatten subregs first;
1005         don't take REGNO of a non-register.
1006
1007 2001-08-03  John David Anglin  <dave@hiauly1.hia.nrc.ca>
1008
1009         * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
1010         __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
1011         (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
1012         (__gthread_mutex_init_function): New function for mutex initialization.
1013
1014 2001-08-03  Daniel Berlin  <dan@cgsoftware.com>
1015
1016         * Makefile.in: Revert screwed up commit.
1017
1018 2001-08-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
1019
1020         * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
1021         * config/m68hc11/larith.asm (_exit): Split in several sub-sections
1022         merged by linker script to get a final _exit().
1023         (__do_global_dtors): New for destructor handling in specific exit
1024         section.
1025         (__do_global_ctors): New for constructors in specific install section.
1026         (__map_data_section): Map data sections before running constructors.
1027         * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
1028         (CTORS_SECTION_ASM_OP): Define to put in readonly section.
1029         (DTORS_SECTION_ASM_OP): Likewise.
1030         (CTORS_SECTION_FUNCTION): Define to force a reference to
1031         __do_global_ctors.
1032         (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
1033
1034 2001-08-03  Daniel Berlin  <dan@cgsoftware.com>
1035
1036         * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
1037
1038         * Makefile.in: Add df.h to gcse.c dependencies.
1039
1040 2001-08-03  John David Anglin  <dave@hiauly1.hia.nrc.ca>
1041
1042         * varasm.c (output_constant_def_contents): Use for the length of a
1043         string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
1044         depending on which is larger.
1045
1046 2001-08-03  Daniel Berlin  <dan@cgsoftware.com>
1047
1048         * gcse.c: Include df.h for use as a dataflow analyzer.
1049         Remove regvec.
1050         Declaration of reg_set_info: gone.
1051         New df_analyzer variable used by store motion.
1052         (reg_set_info): Deleted.
1053         (mark_mem_regs): New function, analyze regs used by a mem.
1054         (store_ops_ok): Use dataflow analyzer results to determine if
1055         necessary regs are changed in the block.
1056         (find_moveable_store): Remove check for symbol ref, we can handle
1057         much more complex expressions now.
1058         (compute_store_table): Remove most of the code, it's unnecessary
1059         now that the dataflow analyzer records the info for us.
1060         (store_killed_after): Add parameter to say whether to do the
1061         store_ops_okay test, used to speed up testing when we already know
1062         the answer, and just want to know if the store itself was killed.
1063         (build_store_vector): Largely rewritten to calculate the various
1064         vectors properly, and somewhat optimized.
1065         (store_motion): Init the df_analyzer, get REG_DEF chains.
1066         Also handle trapping expressions (since mems almost always trap)
1067         (simple_mem): Redefine what a simple mem is.
1068
1069 2001-08-03  DJ Delorie  <dj@redhat.com>
1070
1071         * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
1072         set from a constant part of the condition.
1073
1074 2001-08-01  Andrew Cagney  <ac131313@redhat.com>
1075
1076         * mkdeps.c (deps_add_default_target): Make local variable
1077         ``start'' a const char pointer.
1078         * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
1079
1080 2001-08-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1081
1082         * doc/install.texi (Configuration): Fix markup.
1083         (Specific, i?86-*-udk): Likewise.
1084         (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
1085         --with-gnu-ld.
1086         Document --enable-threads and --enable-libgcj status.
1087         (Specific, mips-sgi-irix*): Canonicalize triples.
1088         (Specific, mips-sgi-irix5): Warn about problems with this config.
1089         Mention required GNU as patch.
1090         Native assembler problems are fixed.
1091         (Specific, mips-sgi-irix6): Update O32 ABI support status.
1092         Document --enable-threads and --enable-libgcj status.
1093
1094 2001-08-02  Nick Clifton  <nickc@cambridge.redhat.com>
1095
1096         * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
1097         of mkinstalldirs.
1098
1099 2001-08-03  Richard Henderson  <rth@redhat.com>
1100
1101         * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
1102         constant data.
1103
1104 2001-08-03  Richard Henderson  <rth@redhat.com>
1105
1106         * rtlanal.c (find_first_parameter_load): Stop if we
1107         reach a CODE_LABEL at BOUNDARY.
1108
1109 2001-08-03  Richard Henderson  <rth@redhat.com>
1110
1111         * config/alpha/alpha.md (force_movdi): New insn.
1112         * config/alpha/alpha.c (alpha_expand_prologue): Use it.
1113         Tweek FRP marking of VMS prologue insns.
1114         * config/alpha/vms.h (EPILOGUE_USES): New.
1115
1116 2001-08-02  Richard Henderson  <rth@redhat.com>
1117
1118         * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
1119
1120 2001-08-02  Lars Brinkhoff  <lars@nocrew.org>
1121
1122         * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
1123         simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
1124         config/convex/convex.h, config/d30v/d30v.c,
1125         config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
1126         config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
1127         config/mips/mips.h, config/mn10200/mn10200.h,
1128         config/mn10300/mn10300.h, config/pdp11/pdp11.md,
1129         config/v850/v850.h, config/vax/openbsd.h,
1130         config/vax/openbsd1.h, config/vax/ultrix.h,
1131         config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
1132         config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
1133         cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
1134         doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
1135         doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
1136         in comments and documentation.
1137
1138 2001-08-03  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
1139
1140         * line-map.c: New.
1141         * line-map.h: New.
1142         * Makefile.in (line-map.o): New.
1143         (LIBCPP_OBJS, LIBCPP_DEPS): Update.
1144         * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
1145         * cpperror.c (print_containing_files): Similarly.
1146         (print_location): Update.  Don't output a space before _Pragma.
1147         * cppfiles.c (stack_include_file): Set to line 1 immediately.
1148         (stack_include_filee, cpp_make_system_header): Update.
1149         (_cpp_execute_include): Get logical line number right for calling
1150         as-yet-unterminated #include.
1151         * cpphash.h (struct cpp_reader): Add line_maps.
1152         (_cpp_do_file_change): Update.
1153         * cppinit.c (cpp_create_reader): Initialize line maps.
1154         (cpp_destroy): Destroy line maps.
1155         (cpp_start_read): Get logical line number right.
1156         * cpplex.c (parse_string): Only warn once for multi-line strings.
1157         Use boolean variable for null warning.
1158         * cpplib.c (_cpp_handle_directive): End the directive if it isn't
1159         already.
1160         (do_include_common): End the directive early.
1161         (do_line): Don't warn about out-of-range lines in preprocessed
1162         source.  Update.  Remove unused variables.
1163         (_cpp_do_file_change): Update for new line mapping.
1164         (pragma_cb): New typedef.
1165         (cpp_register_pragma): Stop looking ahead before calling the
1166         handler.  Clean up.
1167         (do_pragma_system_header): End directive early.
1168         (cpp_get_line_maps): New.
1169         (cpp_pop_buffer): Fudge logical line.  Update.
1170         * cpplib.h: Include line-map.h
1171         (enum cpp_fc_reason): Remove.
1172         (struct cpp_file_change): Update.
1173         (cpp_get_line_maps): New.
1174         * cppmain.c (struct_printer): New member map.
1175         (cb_file_change): Update for new mappings.
1176         * fix-header.c (cb_file_change): Similarly.
1177
1178 2001-08-02  Nick Clifton  <nickc@cambridge.redhat.com>
1179
1180         * Makefile.in (libgcc.mk): Define mkinstalldirs.
1181         * mklibgcc.in: Use mkinstalldirs instead of mkdir.
1182
1183 2001-08-02  Lars Brinkhoff  <lars@nocrew.org>
1184
1185         * config/vax/vax.c: include expr.h.
1186
1187 2001-08-02  Nick Clifton  <nickc@cambridge.redhat.com>
1188
1189         * Makefile.in ($(srcdir)/configure): Only rebuild in
1190         maintainer mode.
1191         ($(srcdir)/config.in): Only define in maintainer mode.
1192         ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
1193
1194 2001-08-02  David Edelsohn  <edelsohn@gnu.org>
1195
1196         * doc/install.texi (Install GCC: Binaries): Update Bull info.
1197
1198 2001-08-02  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1199
1200         * gcc.c (set_collect_gcc_options): New function, split out from
1201         main.
1202         Ignore elided switches.
1203         (do_spec_1): Invoke before executing command.
1204         (set_input): Export.
1205         Move declaration ...
1206         * gcc.h (set_input): ... here.
1207         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
1208         file.
1209
1210 2001-08-02  Nathan Sidwell  <nathan@codesourcery.com>
1211
1212         Kill -fhonor-std.
1213         * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
1214         interaction.
1215         * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
1216
1217 2001-08-02  Richard Sandiford  <rsandifo@redhat.com>
1218
1219         * mips.md (movdicc): Make conditional on TARGET_64BIT.  Likewise
1220         for the unnamed instructions it expands to.
1221
1222 2001-08-02  Richard Henderson  <rth@redhat.com>
1223
1224         * regclass.c (call_really_used_regs): Conditionally define.
1225         (init_reg_sets_1): Don't use it if not defined.
1226         (fix_register): Similarly, don't set it.
1227
1228 2001-08-01  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1229
1230         * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
1231         Correct comment that had been missed in the previous change.
1232
1233 2001-08-01  Stan Shebs  <shebs@apple.com>
1234
1235         * config/darwin.c (machopic_stub_name): Try matching by name.
1236         (update_stubs): New function.
1237         (darwin_encode_section_info):  Call it and update_non_lazy_ptrs
1238         unconditionally.
1239
1240 2001-08-01  Richard Henderson  <rth@redhat.com>
1241
1242         * except.c (output_function_exception_table): Use assemble_align.
1243         * varasm.c (assemble_eh_label): Remove.
1244         (assemble_eh_align, assemble_eh_integer): Remove.
1245
1246 2001-08-01  Robert Lipe  <robertl@caldera.com>
1247
1248         * dwarfout.c: Remove reference to README.DWARF.
1249
1250 2001-08-01  Andrew MacLeod  <amacleod@redhat.com>
1251
1252         * regclass.c (call_really_used_regs): New array for registers which
1253         are actually used by a call.
1254         (init_reg_sets_1): Initialize regs_invalidated_by_call with the
1255         new array.
1256         (fix_register): Set call_really_used too.
1257         * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
1258         * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
1259
1260 2001-08-01  Richard Henderson  <rth@redhat.com>
1261
1262         * read-rtl.c (read_name): Consider \r whitespace.
1263
1264 2001-07-11  Andrew Cagney  <ac131313@redhat.com>
1265
1266         * config.gcc: Recognize powerpc-*-netbsd*.
1267
1268         * doc/install.texi (Host/target specific installation notes for
1269         GCC): Mention powerpc-*-netbsd*.
1270
1271         * config/rs6000/netbsd.h: New file.
1272         (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
1273         (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
1274         (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
1275         (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
1276         (TARGET_VERSION): Redefine.
1277
1278         * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
1279         mcall-netbsd as a match for mcall-sysv.
1280         (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
1281         (ncrti.S, ncrtn.S): New targets.
1282         ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
1283
1284         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
1285         "netbsd' as a V4 ABI.
1286         (ASM_SPEC): Check for -mcall-netbsd.
1287         (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
1288         (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
1289         (LIB_SPEC, ENDFILE_SPEC): Ditto.
1290         (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
1291         (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
1292         (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
1293         (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
1294
1295         * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
1296         (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
1297
1298 2001-08-01  Mark Kettenis  <kettenis@gnu.org>
1299
1300         * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
1301         only if NO_BASE_OF_ENCODED_VALUE isn't defined.
1302         * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
1303         including "unwind-pe.h".
1304
1305 Wed Aug  1 20:01:42 CEST 2001  Jan Hubicka  <jh@suse.cz>
1306
1307         * rs6000.md (define_splits): Kill unused constraints.
1308
1309 Wed Aug  1 20:02:12 CEST 2001 Graham Stott  <grahams@redhat.com>
1310                               Jan Hubicka  <jh@suse.cz>
1311
1312         * function.c (thread_prologue_and_epilogue_insns): Kill code
1313         dealing with non-existent CFG.
1314
1315 2001-08-01  Kazu Hirata  <kazu@hxi.com>
1316
1317         * alias.c: Fix comment formatting.
1318         * bitmap.c: Likewise.
1319         * builtins.c: Likewise.
1320         * calls.c: Likewise.
1321         * c-common.c: Likewise.
1322         * c-decl.c: Likewise.
1323         * c-dump.c: Likewise.
1324         * c-lex.c: Likewise.
1325         * collect2.c: Likewise.
1326         * combine.c: Likewise.
1327         * conflict.c: Likewise.
1328         * cppfiles.c: Likewise.
1329         * cppinit.c: Likewise.
1330         * cpplex.c: Likewise.
1331         * cpplib.c: Likewise.
1332         * cppmacro.c: Likewise.
1333         * cppspec.c: Likewise.
1334         * c-pragma.c: Likewise.
1335         * crtstuff.c: Likewise.
1336         * cse.c: Likewise.
1337         * cselib.c: Likewise.
1338         * c-semantics.c: Likewise.
1339         * c-typeck.c: Likewise.
1340
1341 2001-08-01  H.J. Lu <hjl@gnu.org>
1342
1343         * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
1344
1345 2001-08-01  H.J. Lu <hjl@gnu.org>
1346
1347         * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
1348
1349 2001-08-01  Ziemowit Laski  <zlaski@apple.com>
1350
1351         * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
1352         contextualizing Objective-C class name lookup by the lexer.
1353         (typespec_reserved_nonattr): Disable ObjC class name lookup after
1354         seeing a TYPESPEC.
1355         (protocoldef): Add support for forward @protocol declarations.
1356         (yylexname): Suppress ObjC class name lookup in certain contexts;
1357         re-enable after lookup is complete.
1358         (_yylex): Re-enable ObjC class name lookup when certain
1359         punctuation marks are seen.
1360
1361         * objc/objc-act.c (check_protocol_recursively): New function used
1362         for finding circular dependencies in protocols.
1363         (objc_declare_protocols): New function for handling forward
1364         @protocol declarations.
1365         (receiver_is_class_object): Detect the case when 'self' is used
1366         inside of a class method.
1367         (build_message_expr): Issue a warning if class method is desired
1368         but instance method is found instead.
1369         (conforms_to_protocol): Streamline.
1370         (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
1371         protocol Foo, even if 'Bar foo' does not.
1372         (check_protocols): Streamline.
1373         (start_protocol): Add checks for circular and duplicate protocol
1374         definitions.
1375         (encode_aggregate_within): For typedefs of structs, encode the
1376         underlying struct.
1377         * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
1378         (objc_declare_protocols): New prototype.
1379
1380 2001-08-01  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
1381
1382         * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
1383         * cpplex.c (handle_newline): Update prototype.  Maintain logical
1384         line number.
1385         (skip_escaped_newlines, skip_block_comment, parse_string):
1386         Update accordingly.
1387         (_cpp_lex_token): Update, and store token position within the token.
1388         * cpplib.h (struct cpp_token): Add line and column entries.
1389         * cppmacro.c (replace_args): Position stringified tokens correctly.
1390
1391 2001-08-01  Andreas Jaeger  <aj@suse.de>
1392
1393         * basic-block.h: Add prototype for last_loop_beg_note.
1394
1395 2001-07-31  Alexandre Petit-Bianco  <apbianco@redhat.com>
1396
1397         * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
1398         RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
1399         comment.
1400         (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
1401         while handling WITH_CLEANUP_EXPR node. Use second operand calling
1402         expand_decl_cleanup.
1403         * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
1404         the first RTX.
1405         (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
1406         operand while calling simple_cst_equal.
1407         * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
1408         operand is the cleanup expression, the third is the RTL_EXPR.
1409         * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
1410
1411 2001-07-31  Jeff Sturm  <jsturm@one-point.com>
1412
1413         * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
1414
1415 2001-07-31  matthew green  <mrg@eterna.com.au>
1416
1417         * config.gcc (i386-*-netbsdelf): New description.
1418         * config/i386/netbsd-elf.h: New file.
1419
1420 2001-07-30  Geoffrey Keating  <geoffk@redhat.com>
1421
1422         * loop.c (check_dbra_loop): Use single_set to compute
1423         jump_label.
1424
1425 2001-07-31  Daniel Berlin  <dan@cgsoftware.com>
1426
1427         PowerPC reorg and support for powerpc64-*-linux*.
1428
1429         Also fixes emitting of constants on 32 bit and 64 bit
1430         platforms.
1431
1432         * config.gcc: powerpc64-*-linux* is a new target.
1433         Things that needed aix.h now also include xcoff.h
1434
1435         * config/rs6000/rs6000.h: Split XCOFF specific stuff into
1436         xcoff.h.
1437         Move AIX specific stuff into aix.h.
1438         (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
1439         with more than just XCOFF now.
1440         (SET_ASM_OP): Remove, now defined where needed.
1441         (FUNCTION_PROLOGUE): New macro definition.
1442         (FUNCTION_EPILOGUE): New macro definition.
1443         (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
1444
1445         * config/rs6000/xcoff.h: New file.
1446
1447         * config/rs6000/linux64.h: New file.
1448
1449         * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
1450
1451 2001-07-31  Alan Modra  <amodra@bigpond.net.au>
1452
1453         * rs6000.c (print_operand_address): Handle ELF syntax.
1454         (output_toc): Simplify.  Use DOUBLE_INT_ASM_OP.
1455         * rs6000.md (load_toc_aix_di): Handle ELF syntax.
1456         * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
1457
1458 2001-07-31  David Edelsohn  <edelsohn@gnu.org>
1459
1460         * rs6000.c (rs6000_override_options): Only disable
1461         flag_function_sections for XCOFF.
1462         (exact_log2_cint_operand): New predicate.
1463         (reg_or_{add,sub}_cint64_operand): New predicates.
1464         (add_operand): Compare CONST_INT with fewer function calls.
1465         (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
1466         (print_operand, case 'p'): Ensure positive operand.
1467         (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
1468         * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
1469         (PREDICATE_CODES): Add new predicates.
1470         * rs6000.md (addsi3): Split 32-bit constants more correctly.
1471         (divsi3, modsi3): Ensure positive power-of-2.
1472         (adddi3): Use new predicate.  Split 32-bit constants more
1473         correctly.  Re-arrange splitter to handle any constant.
1474         (subdi3): Use new predicate.
1475         (divdi3, moddi3): Ensure positive power-of-2.
1476         (movdi): Use rs6000_emit_set_const.
1477         (load_toc_v4_pic_di): Delete.
1478
1479 2001-07-31  Graham Stott <grahams@redhat.com>
1480
1481         * function.c (pad_below): Revert 2001-07-26 patch.
1482
1483 Tue Jul 31 15:37:35 CEST 2001  Jan Hubicka  <jh@suse.cz>
1484
1485         * reg-stack (convert_regs_1): Fix best edge condition.
1486
1487 Tue Jul 31 15:33:27 CEST 2001  Jan Hubicka  <jh@suse.cz>
1488
1489         * jump.c (duplicate_loop_exit_test): Better test for jumps
1490         entering the loop; create loop pre_header.
1491
1492 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
1493
1494         * doc/install.texi: Add s390 and s390x as new targets.
1495         * doc/invoke.texi: Add documantation of S/390 and zSeries
1496         target options.
1497         * doc/md.texi: Add documantation of S/390 and zSeries constraints.
1498
1499 2001-07-30  Roman Zippel  <zippel@linux-m68k.org>
1500
1501         * config/m68k/m68k.md: Replace all general_operand with
1502         nonimmediate_operand for all destinations.
1503         * config/m68k/m68k.c (not_sp_operand): Likewise.
1504
1505 Mon Jul 30 23:20:34 EDT 2001  John Wehle  (john@feith.com)
1506
1507         * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
1508
1509 2001-07-30  Richard Henderson  <rth@redhat.com>
1510
1511         * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
1512         * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
1513
1514 2001-07-30  Roman Zippel  <zippel@linux-m68k.org>
1515
1516         * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
1517         Add missing doc strings
1518         * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
1519         * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
1520
1521 Mon Jul 30 22:16:08 CEST 2001  Jan Hubicka  <jh@suse.cz>
1522
1523         * i386.c (ix86_output_main_function_alignment_hack): New function.
1524         (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
1525
1526         * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
1527         edges by EDGE_DFS_BACK flag.
1528         (dump_edge_info): Add dfs_back flag.
1529         * basic-block.h (EDGE_DFS_BACK): New constant.
1530         (mark_dfs_back_edges): Declare.
1531         * alias.c (loop_p): Remove.
1532         (mark_constant_function): Use mark_dfs_back_edges.
1533
1534         * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
1535         (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
1536         (compensate_edge): Break out from ...
1537         (convert_regs_1): ... here; do smart choosing of stack_out to copy.
1538         (convert_regs_2): Set block_done once block is really done;
1539         Do updating of the predecesors counts.
1540
1541         * toplev.c (rest_of_compilation): Recompute block_for_insn
1542         before post-reload cfg_cleanup.
1543         * function.c (thread_prologue_epilogue_insns):
1544         Call set_block_for_new_insns when emitting prologue directly.
1545
1546 2001-07-30  Andreas Jaeger  <aj@suse.de>
1547
1548         * jump.c: Add prototype for mark_modified_reg.
1549
1550         * cse.c (set_live_p): Add unused attribute.
1551
1552         * gcov.c (calculate_branch_probs): Use gcov_type to avoid
1553         overflow.
1554         (scan_for_source_files): Use long for count to avoid overflow.
1555         (output_data): Likewise.
1556         (output_data): Don't use string concatatenation to silence gcc
1557         -traditional.
1558
1559         * predict.c: Fix typos and grammar.
1560
1561         * gcse.c (insert_insn_end_bb): Remove unused variables.
1562
1563 Mon Jul 30 21:54:53 CEST 2001  Jan Hubicka  <jh@suse.cz>
1564
1565         * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
1566         (attempt_auto_inc): LIkewise.
1567         (mark_used_reg): Likewise.
1568         (try_pre_increment_1): Likewise.
1569         * regclass.c (regclass): Likewise.
1570         * global.c (allocno_compare): Update comment; change scaling factor.
1571         * local-alloc.c (QTY_CMP_PRI): Likewise.
1572         * regs.h (REG_FREQ_FROM_BB): New.
1573         (REG_FREQ_MAX): Likewise.
1574
1575 2001-07-30  H.J. Lu <hjl@gnu.org>
1576
1577         * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
1578         -D_GNU_SOURCE.
1579
1580 2001-07-30  H.J. Lu  (hjl@gnu.org)
1581
1582         * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
1583         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
1584         (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
1585
1586 2001-07-30  Nick Clifton  <nickc@cambridge.redhat.com>
1587
1588         * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
1589         as -mthumb-interwork when -mcpu=arm7 is specified.
1590
1591 Mon Jul 30 17:44:43 CEST 2001  Jan Hubicka  <jh@suse.cz>
1592
1593         * predict.def (noreturn, loop branch, loop exit): Mark as first
1594         match heuristics.
1595
1596 Mon Jul 30 12:52:11 CEST 2001  Jan Hubicka  <jh@suse.cz>
1597
1598         * combine.c (try_combine): Avoid barrier after noop jumps.
1599
1600 2001-07-29  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
1601
1602         * cpphash.h (struct cpp_reader): Remove import_warning.
1603         * cpplib.c (skip_rest_of_line): Don't bother turning off
1604         macro expansion.
1605         (parse_include): Move include handling to...
1606         (do_include_common): ... here.  Move import warning from...
1607         (do_import): ... here.
1608         (do_pragma_poison): Don't do a callback for poison identifiers.
1609         * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
1610         * cppmain.c (setup_callbacks): Similarly.
1611
1612 Sun Jul 29 23:26:50 CEST 2001  Jan Hubicka  <jh@suse.cz>
1613
1614         * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
1615         handle multiple sets.
1616         * except.c (sjlj_mark_call_sites): .... here.
1617         * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
1618
1619 Sun Jul 29 21:38:45 CEST 2001  Jan Hubicka  <jh@suse.cz>
1620
1621         Suggested by Richard Henderson and Richard Kenner:
1622         * combine.c (recog_for_combine): Use the fake recog
1623         only if instruction does not match.
1624         * rtl.h (NOOP_MOVE_INSN_CODE): New.
1625         * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
1626
1627         * combine.c (try_combine): Discover noop jump as direct jump.
1628
1629 2001-07-29  Daniel Berlin  <dan@cgsoftware.com>
1630
1631         * df.c (df_rd_global_compute): Add successors to worklist, not
1632         current item.
1633         (df_ru_global_compute): Ditto.
1634
1635 2001-07-27  Daniel Berlin  <dan@cgsoftware.com>
1636
1637         * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
1638         increment REG_N_SETS.
1639
1640 2001-07-26  Daniel Berlin  <dan@cgsoftware.com>
1641
1642         * sbitmap.h: New prototype for sbitmap_a_xor_b.
1643
1644         * sbitmap.c (sbitmap_a_xor_b): New function.
1645         ifdef the basic block stuff on IN_GCC.
1646
1647 2001-07-29  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
1648
1649         * cppexp.c (parse_defined): Always record the macro name.
1650         (lex): Don't worry about identifiers, or special-case
1651         CPP_NOT here.
1652         (_cpp_parse_expr): Figure out at the end of the routine
1653         whether we saw a valid !defined() expression.
1654         * cppfiles.c (stack_include_file): Update for mi_valid.
1655         (_cpp_pop_file_buffer): Similarly.
1656         * cpplex.c (_cpp_lex_token): Similarly.
1657         * cpphash.h (enum mi_state, enum mi_ind, mi_state,
1658         mi_if_not_defined, mi_lexed): Remove.
1659         (mi_valid): New.
1660         * cpplib.c (do_if): Simplify.
1661         (do_endif, push_conditional, _cpp_handle_directive): Update
1662         for renaming of mi_state to mi_valid.
1663 doc:
1664         * cpp.texi: Add index entries for digraphs, and add comment
1665         that C++ refers to them as alternative tokens.
1666
1667 Sun Jul 29 18:59:13 CEST 2001  Jan Hubicka  <jh@suse.cz>
1668
1669         * basic-block.h (CLEANUP_PRE_LOOP): New.
1670         * except.c (finish_eh_generation): Update call of cleanup_cfg.
1671         * sibcall.c (optimize_sibling_calls): Likewise.
1672         * toplev.c (rest_of_compilation): Likewise.
1673         * flow.c (try_forward_edges): Take argument MODE;
1674         do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
1675         (try_optimize_cfg): Update call of try_forward_edges.
1676
1677 Sun Jul 29 18:59:56 CEST 2001  Roman Zippel  <zippel@linux-m68k.org>
1678                                Jan Hubicka  <jh@suse.cz>
1679
1680         * (validate_replace_rtx_1): Fix simplification of MINUS.
1681
1682 2001-07-29  Neil Booth  <neil@daikokuya.demon.co.uk>
1683
1684         PR preprocessor/3669
1685         * cppinit.c (init_dependency_output): Turn off dump requests
1686         if sending dependencies to stdout.
1687
1688 2001-07-28  Richard Henderson  <rth@redhat.com>
1689
1690         * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
1691         not optimizing.
1692
1693 2001-07-28  Golubev I. N.  <gin@mo.msk.ru>
1694
1695         * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
1696
1697 2001-07-28  Kazu Hirata  <kazu@hxi.com>
1698
1699         * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
1700         is VAR_DECL first to prevent an ICE.
1701
1702 2001-07-28  Richard Henderson  <rth@redhat.com>
1703
1704         * varasm.c (immed_real_const_1): Don't elide special cases for
1705         nested functions.
1706         (clear_const_double_mem): Clear const_tiny_rtx too.
1707
1708 2001-07-28  Richard Henderson  <rth@redhat.com>
1709
1710         * dwarf2out.c (dw_val_class_offset): New.
1711         (struct dw_ranges_struct, dw_ranges_ref): New.
1712         (ranges_table, ranges_table_allocated): New.
1713         (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
1714         (add_AT_offset, add_ranges, output_ranges): New.
1715         (print_die, output_die): Handle dw_val_class_offset.
1716         (attr_checksum, size_of_die, value_format): Likewise.
1717         (gen_lexical_block_die): Handle non-contiguous blocks.
1718         (gen_block_die): Likewise.
1719         (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
1720         if needed.  Dump the ranges table.
1721         * final.c (final_start_function): Remove unnecessary notes and
1722         rebuild the block tree before numbering the blocks.
1723         * function.c (reorder_blocks_0): Walk the existing block tree
1724         to unmark all blocks.
1725         (reorder_blocks_1): Create block fragments when duplicate block
1726         notes are seen.
1727         (reorder_fix_fragments): New.
1728         (reorder_blocks): Call it.
1729         * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
1730
1731 2001-07-28  Richard Henderson  <rth@redhat.com>
1732
1733         * emit-rtl.c (adjust_address): Make a copy of the memory address.
1734
1735 2001-07-28  Richard Henderson  <rth@redhat.com>
1736
1737         * flow.c (add_to_mem_set_list): New function.
1738         (init_propagate_block_info): Use it.
1739         (mark_set_1): Likewise.
1740         (insn_dead_p): Canonicalize memory address for dead store
1741         comparison.  Allow wider mode stores to kill narrower mode stores.
1742         (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
1743         (invalidate_mems_from_set): Don't handle MEMs.
1744
1745 2001-07-28  Kazu Hirata  <kazu@hxi.com>
1746
1747         * config/h8300/h8300.h: Fix formatting.
1748
1749 Sat Jul 28 23:35:22 CEST 2001  Jan Hubicka  <jh@suse.cz>
1750
1751         * basic-block.h (EDGE_FREQUENCY): New macro.
1752         * bb-reorder (fixup_reorder_chain): Set counts and frequencies
1753         for new BB/edges.
1754         * flow.c (find_sub_basic_blocks): Likewise.
1755         (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
1756         (redirect_edge_and_branch): Use EDGE_FREQUENCY.
1757
1758         * predict.c (DEF_PREDICTOR): New argument FLAGS.
1759         (HITRATE): New macro.
1760         (PRED_FLAG_FIRST_MATCH): New constant.
1761         (predictor_info): New field flgags.
1762         (combine_predictions_for_insn): Use DS theory to combine
1763         probabilities; set the edge probabilities when finished.
1764         (estimate_probability): Avoid duplicated matches
1765         of LOOP_BRANCH heuristics for nested loops; update comment.
1766         * predict.def: Add flags for each prediction, set probabilities
1767         according to B&L paper.
1768         * predict.h (DEF_PREDICTOR): New argument FLAGS.
1769
1770         * profile.c (compute_branch_probabilities):  Cleanup way the edge
1771         probabilities are computed and REG_BR_PROB notes are dropped; if
1772         values does not match, emit error.
1773         (init_branch_prob): Do error instead of warning when profile driven
1774         feedback is missing or corrupt.
1775
1776 2001-07-27  DJ Delorie  <dj@redhat.com>
1777
1778         * ifcvt.c (noce_get_alt_condition): If the condition is a compare
1779         against a constant, try to adjust the compare to have the desired
1780         constant in it so that min/max optimizations happen more often.
1781
1782 Fri Jul 27 17:53:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
1783
1784         * flow.c (last_loop_beg_note): New function.
1785         (redirect_edge_and_branch): Use it.
1786         (split_edge): Likewise.
1787
1788         * alias.c (loop_p): Avoid uninitialized memory access.
1789
1790         * flow.c (try_forward_edges): Avoid accessing freed memory.
1791
1792         * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
1793         variable access.
1794
1795 2001-07-27  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1796
1797         * doc/install.texi (Configuration): Properly link the host
1798         specific instructions also when generating HTML.
1799
1800 Fri Jul 27 00:33:35 EDT 2001  John Wehle  (john@feith.com)
1801
1802         * flow.c (redirect_edge_and_branch_force): Test
1803         target->global_live_at_start.
1804
1805 2001-07-26  Richard Henderson  <rth@redhat.com>
1806
1807         * simplify-rtx.c (avoid_constant_pool_reference): Export.
1808         * rtl.h (avoid_constant_pool_reference): Declare it.
1809         * dwarf2out.c (add_location_or_const_value_attribute): Use it.
1810         (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
1811
1812 Thu Jul 26 22:30:22 CEST 2001  Jan Hubicka  <jh@suse.cz>
1813
1814         * rtl.h (cleanup_barriers): Declare.
1815         * jump.c (cleanup_barriers): New function.
1816         * toplev.c (rest_of_compilation): Call cleanup_barriers
1817         before loop optimizer and after bb_reorder.
1818
1819         * flow.c (back_edge_of_syntactic_loop_p): New.
1820         (split_edge): Use it.
1821
1822 2001-07-26  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1823
1824         * glimits.h (_MACH_MACHLIMITS_H_): Delete.
1825
1826 Thu Jul 26 22:22:21 2001  Denis Chertykov  <denisc@overta.ru>
1827
1828         * cse.c (cse_process_notes): Replace any registers if the address
1829         remains valid.
1830
1831 Thu Jul 26 14:04:03 EDT 2001  John Wehle  (john@feith.com)
1832
1833         * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
1834         (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
1835         (propagate_block): Update prototype.
1836         * flow.c (update_life_info): Simplify the CFG and
1837         recalculate the global regs which are alive when
1838         removing dead code during a global update.
1839         (propagate_block): Return non-zero if an INSN is
1840         deleted.
1841
1842 2001-07-26  Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1843
1844         * Makefile.in (LIBICONV): Define.
1845
1846 2001-07-26  Catherine Moore  <clm@redhat.com>
1847
1848         * config/v850/v850.h (ENCODE_SECTION_INFO):  Change order
1849         of conditional to avoid tree checking errors.
1850
1851 2001-07-26  Kazu Hirata  <kazu@hxi.com>
1852
1853         * regmove.c (regmove_optimize): Don't replace a reg with
1854         another reg of a different mode.
1855
1856 2001-07-26  Andrew MacLeod  <amacleod@redhat.com>
1857
1858         * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
1859         limit length of dependancy flush list.
1860         * params.h (MAX_PENDING_LIST_LENGTH): Define.
1861         * sched-int.h  (struct deps): Add pending_flush_length field.
1862         * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
1863         has 1 element in it.
1864         (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
1865         (sched_analyze): After a jump, if the pending memory flush list is too
1866         large, flush the pending lists.
1867         (init_deps): Initialize pending_flush_length to 0.
1868         * doc/invoke.texi (max_pending_list_length): Document parameter.
1869
1870 2001-07-26  Neil Booth  <neil@daikokuya.demon.co.uk>
1871
1872         * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
1873         * dbxout.c (dbxout_global_decl): Move outside #ifdef.
1874         * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
1875
1876 2001-07-26  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
1877
1878         * cpphash.h (struct_lexer_state): Delete was_skipping.
1879         Move skipping here from struct cpp_reader.
1880         * cpplex.c (parse_identifier): Update.
1881         (_cpp_lex_token): Don't skip tokens in a directive.
1882         * cpplib.c (struct if_stack): Update.
1883         (start_directive, end_directive): Don't change skipping state.
1884         (_cpp_handle_directive): Update.
1885         (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
1886         (do_else, do_endif): Update; only check for excess tokens if not
1887         in a skipped conditional block.
1888         (push_conditional): Update for new struct if_stack.
1889
1890 2001-07-26  Graham Stott  <grahams@redhat.com>
1891
1892         * function.c (locate_and_pad_parm): Also pad initial offset
1893         so that the total argument size also includes the padding.
1894
1895 2001-07-26  Graham Stott <grahams@redhat.com>
1896
1897         * gensupport.c (alter_output_for_insn): Correct enable checking failure
1898         change XSTR to XTMPL.
1899
1900         (process_one_cond_exec): Likewise
1901
1902 2001-07-25  Richard Henderson  <rth@redhat.com>
1903
1904         * varasm.c (assemble_variable): Create DECL_RTL before setting
1905         TREE_ASM_WRITTEN.
1906
1907 Thu Jul 26 00:19:30 CEST 2001  Jan Hubicka  <jh@suse.cz>
1908
1909         * predict.c (estimate_probability): Avoid duplicated predictions.
1910
1911         * loop.c (find_and_verify_loops): Grok multiple barriers.
1912
1913 Wed Jul 25 18:00:05 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1914
1915         * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
1916
1917         * dbxout.c: Consistently use putc instead of fputc.
1918         (print_wide_int): New function; call instead of direct fprintf.
1919         (dbxout_type_index): Adjust calls of CHARS to be more accurate.
1920         (dbxout_type_fields, dbxout_type_method_1): Likewise.
1921         (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
1922         (print_int_cst_octal): Likewise.
1923         (print_octal): Show we wrote characters.
1924         (dbxout_type): Set have_used_extensions in more places.
1925
1926 2001-07-25  Catherine Moore  <clm@redhat.com>
1927
1928         * config/v850/v850.c (v850_va_arg):  Use addr
1929         instead of valist to build incr.
1930
1931 Wed Jul 25 22:48:59 CEST 2001  Jan Hubicka  <jh@suse.cz>
1932
1933         * flow.c (delete_dead_jumptables): New function.
1934         (life_analyzis): Call it.
1935         * bb-reorder.c (skip_insns_after_block): Handle contradictory
1936         sequences.
1937
1938 2001-07-25  Richard Henderson  <rth@redhat.com>
1939
1940         * except.c (reachable_handlers): Handle a region being removed
1941         out from under a RESX.
1942
1943 2001-07-25  Richard Henderson  <rth@redhat.com>
1944
1945         * config/alpha/alpha.c (alpha_emit_conditional_move): Always
1946         swap GE/GT if it is an fp comparison.
1947
1948 2001-07-25  Andrew Haley  <aph@cambridge.redhat.com>
1949
1950         * alias.c (rtx_equal_for_memref_p): Allow strings as types in
1951         operands.
1952
1953 Wed Jul 25 08:25:01 2001  Jeffrey A Law  (law@cygnus.com)
1954
1955         * ssa.c (rename_insn_1): Do not wrap an assignment to a
1956         paradoxical SUBREG inside a SEQUENCE.  Fix minor formatting
1957         glitch.
1958
1959         * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
1960         throw an exception.
1961         (visit_expression): When attempting to simplify an expression,
1962         retrieve any modes for arguments before they are simplified
1963         to constants.
1964
1965 2001-07-25  Andrew MacLeod  <amacleod@redhat.com>
1966             Janis Johnson  <janis@us.ibm.com>
1967
1968         * stmt.c (expand_goto): A nonlocal goto can be a call too.
1969         * builtins.c (expand_builtin_longjmp): Reverse label and static chain
1970         pointer parameters to match documented usage of nonlocal_goto.
1971         * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
1972         parameters to their correct order.
1973         * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
1974         parameters to their correct order.
1975
1976 2001-07-25  Andrew MacLeod  <amacleod@redhat.com>
1977
1978         * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
1979
1980 2001-07-25  Jan Hubicka  <jh@suse.cz>
1981             Richard Henderson  <rth@redhat.com>
1982
1983         * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
1984         the sequence.
1985         (make_edges): New argument update_p; populate the edge cache if set.
1986         (find_basic_blocks): Update make_edges invocation.
1987
1988 2001-07-24  Joel Sherrill <joel@OARcorp.com>
1989
1990         * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
1991
1992 2001-07-24  Joel Sherrill <joel@OARcorp.com>
1993
1994         * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
1995         -Acpu and -Amachine.h.
1996         * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
1997         Corrected header to say ELF not a.out.
1998         * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
1999         when given -msoft-float.
2000
2001 2001-07-24  Joel Sherrill <joel@OARcorp.com>
2002
2003         * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
2004         extra multilib parts like arm-elf.
2005         (i960-*-coff*, i960-*-rtems): Should not use collect2.
2006         (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
2007         crtfini.o as extra multilib parts.
2008
2009 2001-07-24  Joel Sherrill <joel@OARcorp.com>
2010
2011         * configure.in: Add rtems as a supported thread model.
2012         * gthr-rtems.h: Add missing entry point __gthread_active_p.
2013         * configure: Rebuilt.
2014
2015 2001-07-24  Lars Brinkhoff  <lars@nocrew.org>
2016
2017         * stor-layout.c (get_mode_alignment): make it work when
2018         BITS_PER_UNIT is not a power of two.
2019         * builtins.c (get_pointer_alignment): Likewise.
2020
2021 2001-07-24  Richard Henderson  <rth@redhat.com>
2022
2023         * simplify-rtx.c (avoid_constant_pool_reference): Coerce
2024         the retrieved constant into the expected mode.
2025
2026 Wed Jul 25 01:41:27 CEST 2001  Jan Hubicka  <jh@suse.cz>
2027
2028         * flow.c (try_simplify_condjump): Avoid duplicated edges.
2029         (verify_flow_info): Check for duplicated edges; clarify
2030         error reporting.
2031
2032         * flow.c (block_label): Update basic_block_for_insn.
2033         (commit_edge_insertions): Call compute_bb_for_insn.
2034
2035         * flow.c (purge_dead_edges): Handle conditional jumps and conditional
2036         returns too.
2037
2038         * flow.c (redirect_edge_and_branch,
2039         try_optimize_cfg): Use redirect_edge_succ_nodup
2040         (redirect_edge_succ_nodup): New.
2041         * basic_block.h (redirect_edge_succ_nodup): Declare.
2042
2043         * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
2044         after gcse.
2045
2046 Wed Jul 25 00:32:49 CEST 2001  Jan Hubicka  <jh@suse.cz>
2047
2048         * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
2049         (try_crossjump_to_edge): Update commetns.
2050         (try_crossjump_bb): Likewise.
2051
2052 2001-07-24  Richard Henderson  <rth@redhat.com>
2053
2054         * combine.c (distribute_notes): Move set of need_refresh
2055         for noop_move_p down to catch all cases.
2056
2057 Tue Jul 24 20:32:44 CEST 2001  Jan Hubicka  <jh@suse.cz>
2058
2059         * recog.c (split_all_insns_noflow): New.
2060         * rtl.h (split_all_insns_noflow): Declare.
2061         * ia64.c (ia64_reorg): Use split_all_insns_noflow.
2062         * m68hc11.c (m68hc11_reorg): Likewise.
2063         * sh.c (machine_dependent_reorg): Likewise.
2064         * toplev.c (rest_of_compilation): Likewise for last split_all_insns
2065         call.
2066
2067 2001-07-18  Andrew Haley  <aph@cambridge.redhat.com>
2068
2069         * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
2070         (ashlsi3_n splitter): Likewise.
2071         (lshrsi3_n splitter): Likewise.
2072
2073         (GOTaddr2picreg): Make const SImode.
2074         (sym_label2reg): Likewise.
2075         (symGOT2reg): Likewise.
2076         (symGOTOFF2reg) Likewise.
2077
2078         (casesi_worker_0): Make unspec SImode.
2079
2080 2001-07-18  Andrew Haley  <aph@cambridge.redhat.com>
2081
2082         * config/sh/sh.c (barrier_align): Check that an operand really is
2083         an insn before extracting its INSN_CODE.
2084
2085 2001-07-24  Andrew Haley  <aph@cambridge.redhat.com>
2086
2087         * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
2088         dangling else.
2089
2090         * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
2091         for SImode to prevent overflow.
2092
2093 2001-07-24  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2094
2095         * config/mips/irix6-libc-compat.c: New file.
2096         * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
2097         * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
2098         passing workaround.
2099
2100 2001-07-24  lars brinkhoff  <lars@nocrew.org>
2101
2102         * rtl.texi (REG_POINTER): Document.
2103         (Machine Modes): Document BImode, OImode, PQImode, PHImode,
2104         QFmode, HFmode, TQFmode, QCmode, and HCmode.
2105
2106 Tue Jul 24 10:49:40 CEST 2001  Jan Hubicka  <jh@suse.cz>
2107
2108         * flow.c (delete_noop_moves): Do not confuse libcall regions.
2109
2110 2001-07-23  Richard Henderson  <rth@redhat.com>
2111
2112         * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
2113
2114 2001-07-23  Kazu Hirata  <kazu@hxi.com>
2115
2116         * config/h8300/h8300-protos.h: Add a prototype for
2117         general_operand_dst_push.
2118         * config/h8300/h8300.c (general_operand_dst_push): New.
2119         * config/h8300/h8300.h (OK_FOR_T): New.
2120         (EXTRA_CONSTRAINT): Use it.
2121         * config/h8300/h8300.md (movqi_push): Remove and integrate into
2122         the existing movqi pattern.
2123         (movhi_push): Likewise.
2124
2125         * reload.c: Fix comment typos.
2126
2127 Mon Jul 23 23:34:07 CEST 2001  Jan Hubicka  <jh@suse.cz>
2128
2129         * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
2130
2131 2001-07-23  H.J. Lu  (hjl@gnu.org)
2132
2133         * doc/extend.texi: Update __builtin_return_address and
2134         __builtin_frame_address.
2135
2136 2001-07-23  Richard Henderson  <rth@redhat.com>
2137
2138         * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
2139         before CSE.
2140         * config/i386/i386.md: New setcc+movzbl peephole2.
2141
2142 2001-07-23  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
2143
2144         * objc/Make-lang.in (objc-act.o): Depend on debug.h.
2145         * objc/objc-act.c: Include debug.h.
2146         (synth_module_prologue): Save and restore debug hooks too.
2147
2148 2001-07-23  lars brinkhoff  <lars@nocrew.org>
2149
2150         * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
2151         and C4X_FLOAT_FORMAT.
2152         (BOOL_TYPE_SIZE): Document.
2153
2154 Mon Jul 23 11:54:23 2001  Clinton Popetz  <cpopetz@cpopetz.com>
2155
2156         * unroll.c (loop_iterations): Fix miscalculation of initial
2157         giv offset.
2158
2159 2001-07-13  Andrew Haley  <aph@redhat.com>
2160
2161         * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
2162         * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
2163         * config/sh/sh.c (sh_can_redirect_branch): New function.
2164         * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
2165         * reorg.c (steal_delay_list_from_target): Use
2166         MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
2167
2168 Mon Jul 23 17:20:18 CEST 2001  Jan Hubicka  <jh@suse.cz>
2169
2170         * flow.c (try_simplify_condjump): Unlink insn chain on
2171         fallthru edge; use can_fallthru.
2172
2173 Mon Jul 23 16:03:19 CEST 2001  Jan Hubicka  <jh@suse.cz>
2174
2175         * basic-block.h (find_sub_basic_block): Declare.
2176         * flow.c (make_edges): New arguments MIN and MAX;
2177         (find_sub_basic_blocks): Revamp to use make_edges
2178         and purge_dead_edges.
2179         (find_basic_blocks): Update call of find_sub_basic_block.
2180
2181         * recog.c (split_all_insns): Always expect CFG to be consistent;
2182         call find_sub_basic_blocks in case something has changed.
2183         * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
2184         has been built.
2185
2186         * basic-block.h (delete_noop_moves): Declare.
2187         * combine.c (combine_instructions): Call it.
2188         (recog_for_combine): Tolerate noop moves
2189         (distribute_notes): Force refresh when register dies at noop move.
2190         * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
2191         too.
2192         (life_analysis): Update delete_noop_moves call.
2193         (set_noop_p): Move too ...
2194         * rtlanal.c (noop_move_p): ... here.
2195         * rtl.h (noop_move_p): Declare.
2196
2197         * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
2198         * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
2199         after combine.
2200         * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
2201         (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
2202
2203 2001-07-23  Hans-Peter Nilsson  <hp@bitrange.com>
2204
2205         * reload.c (push_reload): Fix typo in comment.
2206         (find_reloads_address): Ditto.
2207         (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
2208
2209 2001-07-22  Richard Henderson  <rth@redhat.com>
2210
2211         * flow.c: Grammar check and clarify a lot of comments.
2212         (try_simplify_condjump): Rename variables to be clearer.
2213         (try_forward_edges): Skip complex and fallthru edges.
2214         Rearrange tests to avoid duplicate checks.
2215         (flow_find_cross_jump): Likewise.
2216         (outgoing_edges_match): Allow match if neither branch has
2217         probability data.  Loosen probability match to 5%.
2218         (try_crossjump_to_edge): Hoist repeated indirection into
2219         local variables.
2220         (try_crossjump_bb): Don't check complex edges.  Eliminate
2221         redundant crossjump tests.
2222         (try_optimize_cfg): Fix use of bool.  Reorganize cheaper
2223         checks before more expensive checks.
2224
2225 2001-07-22  Richard Henderson  <rth@redhat.com>
2226
2227         * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
2228         INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
2229         arguments.
2230
2231 2001-07-22  Richard Henderson  <rth@redhat.com>
2232
2233         * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
2234         (const_sint32_operand): Likewise.
2235         * m68k.md (anon mulsi pattern): Use const_int_operand not
2236         const_sint32_operand.
2237         (umulsi3_highpart): Zero extend a constant input.
2238         (smulsi3_highpart): Don't bother checking SImode constant.
2239         (const_umulsi3_highpart): Give op3 DImode.
2240         (const_smulsi3_highpart): Likewise.
2241
2242 2001-07-22  Richard Henderson  <rth@redhat.com>
2243
2244         * flow.c (split_block): Make sure bb_note is included in the
2245         new block when splitting before a label.
2246
2247 Sun Jul 22 23:28:56 CEST 2001  Jan Hubicka  <jh@suse.cz>
2248
2249         * basic-block.h (redirect_edge_and_branch_force,
2250         redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
2251         * flow.c (redirect_edge_and_branch_force,
2252         redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
2253         (redirect_edge_and_branch_force): Fix copying of lifeness information.
2254         (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
2255         * ifcvt.c (dead_or_predictable): Take BB as an new destionation
2256         instead of label; update CFG after transformation.
2257         (find_if_case_1): Update call, use redirect_edge_and_branch_force
2258         for finishing the transformation; handle even case where ELSE
2259         does not follow THEN.
2260         (find_if_case_2): Update call of dead_or_predictable; simplify
2261         CFG update.
2262
2263         * emit-rtl.c (split_branch_probability): New global variable.
2264         (try_split): Take care to set split_branch_probability and
2265         create REG_BR_PROB note for new jump insns.
2266         * md.texi (define_split): Document new feature.
2267
2268         * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
2269
2270 2001-07-22  Neil Booth  <neil@daikokuya.demon.co.uk>
2271
2272         * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
2273         (asm_out_file): Remove redundant declaration.
2274         (assemble_asm): Remove old #if 0 block.
2275         (assemble_variable): Remove end of function; debug output is
2276         now handled with global_decl.  Remove old #if 0 block.  Update.
2277         Remove saved_in_section and associated no-op code.
2278         * Makefile.in (varasm.o): Correct dependencies.
2279
2280 Sun Jul 22 17:55:11 2001  Alexandre Oliva  <aoliva@redhat.com>
2281
2282         * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
2283         the definition in defaults.h.
2284
2285 Sun Jul 22 21:31:04 CEST 2001  Jan Hubicka  <jh@suse.cz>
2286
2287         * jump.c: Update comments.
2288         (delete_barrier_successors, delete_unreferenced_labels,
2289         delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
2290         delete_labelref_insn, redirect_tablejump, jump_optimize_1,
2291         jump_optimize, jump_optimize_minimal): Kill.
2292         (rebuild_jump_labels): Move code from jump_optimize_1.
2293         (purge_line_number_notes): Likewise.
2294         (copy_loop_headers): Likewise.
2295         * reg-stack.c: Update comment.
2296         * stmt.c: Likewise.
2297         * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
2298         JUMP_AFTER_REGSCAN): Kill.
2299         * toplev.c (rest_of_compilation): Use cleanup_cfg, call
2300         purge_line_number_notes and copy_loop_headers.
2301
2302 2001-07-22 Neil Booth  <neil@daikokuya.demon.co.uk>
2303            Richard Henderson  <rth@redhat.com>
2304
2305         * dbxout.c (dbxout_global_decl): New.
2306         (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2307         * sdbout.c (sdbout_finish): New.
2308         (sdbout_debug_hooks): Use it, add comments.
2309         (sdbout_global_decl): Defer initialised public vars to
2310         sdbout_finish.
2311         * varasm.c (assemble_variable): Don't output debug information
2312         for file-scope variables.
2313
2314 2001-07-22  Richard Henderson  <rth@redhat.com>
2315
2316         * config/alpha/alpha.c (get_trap_mode_suffix): New.
2317         (get_round_mode_suffix): New.
2318         (print_operand): Use them for [/].  Remove support for [&'`()+].
2319         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
2320         * config/alpha/alpha.md (attr round_suffix): New.
2321         (attr trap_suffix): New.
2322         (all insns): Set them appropriately.  Use %/ instead of the
2323         myriad punctuators.
2324
2325 2001-07-22  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
2326
2327         * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
2328
2329 2001-07-22  Richard Henderson  <rth@redhat.com>
2330
2331         * regrename.c (regrename_optimize): Compute nregs for each
2332         potential target register.
2333
2334 2001-07-21 Neil Booth  <neil@daikokuya.demon.co.uk>
2335            Richard Henderson  <rth@redhat.com>
2336
2337         * dbxout.c (dbxout_global_decl): New.
2338         (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2339         * sdbout.c (sdbout_finish): New.
2340         (sdbout_debug_hooks): Use it, add comments.
2341         (sdbout_global_decl): Defer initialised public vars to
2342         sdbout_finish.
2343         * varasm.c (assemble_variable): Don't output debug information
2344         for file-scope variables.
2345
2346 2001-07-21  H.J. Lu  (hjl@gnu.org)
2347
2348         * config/mips/mips.c (mips_cpu): Moved into ...
2349         (override_options): Here.
2350
2351         * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
2352         mips_tune.
2353         (mips_cpu): Removed.
2354
2355 2001-07-21  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
2356
2357         * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
2358         ("iorqi3"): Likewise.
2359         ("xorqi3"): Likewise.
2360         ("*addhi3"): Fix constraint to avoid reloading in a soft register.
2361         ("*subhi3_sp): Likewise.
2362         ("*subhi3"): Likewise.
2363         ("extendhisi2"): Accept D, X and Y as source operand to avoid
2364         reload problems.
2365
2366 2001-07-21  Nathan Sidwell  <nathan@codesourcery.com>
2367
2368         * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
2369         * config/freebsd.h: Likewise.
2370         * config/linux.h: Likewise.
2371         * config/openbsd.h: Likewise.
2372         * config/alpha/linux-elf.h: Likewise.
2373         * config/arm/linux-elf.h: Likewise.
2374         * config/d30v/d30v.h: Likewise.
2375         * config/fr30/fr30.h: Likewise.
2376         * config/ia64/aix.h: Likewise.
2377         * config/ia64/ia64.h: Likewise.
2378         * config/mips/linux.h: Likewise.
2379         * config/pj/pj.h: Likewise.
2380         * config/rs6000/linux.h: Likewise.
2381         * config/sparc/linux.h: Likewise.
2382         * config/sparc/linux64.h: Likewise.
2383
2384 2001-07-20  Bruce Korb  <bkorb@gnu.org>
2385
2386         * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
2387         because getc() and char* may disagree on signedness.
2388
2389 2001-07-20  Richard Henderson  <rth@redhat.com>
2390
2391         * doc/rtl.texi (REG_DEAD): Update for current semantics.
2392
2393         * flow.c (try_redirect_by_replacing_jump): Correctly compute which
2394         insns to delete in the presence of cc0 in a jump insn.
2395
2396 Fri Jul 20 22:14:49 CEST 2001  Roman Zippel  <zippel@linux-m68k.org>
2397                                Jan Hubicka  <jh@suse.cz>
2398
2399         * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
2400         of doing the change by hand.
2401
2402 Fri Jul 20 21:59:42 CEST 2001  Jan Hubicka  <jh@suse.cz>
2403
2404         * rtlanal.c (set_noop_p): Return true for noop jumps.
2405
2406         * expr.c (emit_single_push_insn): Add call to push expander.
2407         * expr.h (optab_index): Add OTI_push
2408         (push_optab): New constant.
2409         * genopinit.c (optabs): Add push_optab.
2410         * optabs.c (init_optab): Init push optab.
2411         * md.texi (push??1): Document
2412
2413 2001-07-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
2414
2415         * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
2416         expand to emit the pattern; put a REG_INC note for push/pop
2417         instructions.
2418         ("movdf", "movdf_internal"): Likewise.
2419         ("movsi", "movsi_internal"): Likewise.
2420         ("movsf", "movsf_internal"): Likewise.
2421         ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
2422
2423 2001-07-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
2424
2425         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
2426         gen_highpart.
2427
2428 2001-07-20  Daniel Berlin  <dan@cgsoftware.com>
2429
2430         * params.def: Change default max inline insns to 100.
2431
2432 2001-07-20  Diego Novillo  <dnovillo@redhat.com>
2433
2434         * combine.c (combine_simplify_rtx): Generate a new shift operation
2435         when simplifying the first operand of a (neg (ashift)) expression.
2436
2437 2001-07-20  Roman Lechtchinsky  <rl@cs.tu-berlin.de>
2438
2439         * regclass.c (N_REG_INTS): Use only 32 bits per element.
2440
2441 2001-07-20  Kelley Cook  <kelley.cook@home.com>
2442
2443         * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
2444         information.   Move rest into ...
2445         (*-*-solaris): ... here.  Eliminate redundant information and
2446         reword necessary packages section.  Delete 4.x assembler bug info.
2447         (sparc-sun-*): Merge into ...
2448         (sparc-sun-sunos*): here.
2449
2450 2001-07-20  Catherine Moore  <clm@redhat.com>
2451
2452         * config/v850/v850.md (casesi): Generate LABEL_REF
2453         with Pmode.
2454
2455 Fri Jul 20 14:12:57 CEST 2001  Jan Hubicka  <jh@suse.cz>
2456
2457         * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
2458         * i386.c (ix86_zero_extend_to_Pmode): Make global.
2459         * i386.md (strclrsi expander): Use it.
2460
2461 Fri Jul 20 13:24:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
2462
2463         * integrate.c (copy_insn_list): handle
2464         NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
2465         (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
2466         identically as to CODE_LABEL.
2467
2468         * fold-const (fold): Convert A/B/C to A/(B*C) and
2469         A/(B/C) to (A/B)*C
2470
2471         * except.c (connect_post_landing_pads): Delete the RESX insns.
2472
2473 2001-07-20  Aldy Hernandez  <aldyh@redhat.com>
2474
2475         * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
2476
2477         * config/mips/mips.md (nmadd/nmsub): Use macro.
2478
2479 2001-07-20  Nathan Sidwell  <nathan@codesourcery.com>
2480
2481         * cppinit.c (remove_dup_dir): Make static.
2482         (remove_dup_dirs): Make static. Only warn about preempting a
2483         system directory with a non-system directory.
2484
2485 2001-07-19  Geoffrey Keating  <geoffk@redhat.com>
2486
2487         * ifcvt.c (noce_try_store_flag_constants): Correct order
2488         of parameters to trunc_int_for_mode.
2489
2490 2001-07-19  Mark Mitchell  <mark@codesourcery.com>
2491
2492         * reorg.c (fill_simple_delay_slots): If an instruction might throw
2493         an exception that will be caught within this function, do not fill
2494         its delay slot with any subsequent instruction.
2495
2496 2001-07-19  Steve Ellcey <sje@cup.hp.com>
2497
2498         * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
2499         * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
2500         pointer extension instruction.
2501         * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
2502         * simplify-rtx.c (simplify_unary_operation) Likewise.
2503         * explow.c (convert_memory_address) Check value of
2504         POINTERS_EXTEND_UNSIGNED to avoid some conversions when
2505         less than zero.
2506         * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
2507         MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
2508         * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
2509         Add Multilib Support.
2510         (POINTERS_EXTEND_UNSIGNED)  Define for ILP32 support.
2511         * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
2512         Add Multilib Support.
2513         (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
2514         support.
2515         * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
2516         * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
2517         a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
2518
2519 2001-07-19  Alexandre Oliva  <aoliva@redhat.com>
2520
2521         * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
2522         old and new operands in `<', `3' and `b'.
2523
2524 2001-07-19  Neil Booth  <neil@daikokuya.demon.co.uk>
2525
2526         * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
2527         (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
2528         (toplev.o): Don't depend on xcoffout.h.
2529         * c-decl.c: Include debug.h
2530         (duplicate_decls): Use debug hook.
2531         * dbxout.c (dbxout_source_file, dbxout_args): Make static.
2532         (dbx_debug_hooks, xcoff_debug_hooks): Update.
2533         (dbxout_types): Remove.
2534         * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
2535         * debug.c (do_nothing_debug_hooks): Update.
2536         (debug_true_tree, debug_nothing_rtx): New.
2537         * debug.h (struct rtx_def): New.
2538         (struct gcc_debug_hooks): New hooks ignore_block,
2539         outlining_inline_function and label.
2540         (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
2541         dwarf2out_frame_finish): New.
2542         * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
2543         Make static, update prototype.
2544         (dwarf2_debug_hooks): Update.
2545         * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
2546         dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
2547         * dwarfout.c (dwarf_debug_hooks): Update.
2548         * emit-rtl.c: Include debug.h.
2549         (remove_unnecessary_notes): Use debug hook.
2550         * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
2551         (final_scan_insn): Use debug hook.
2552         * integrate.c (output_inline_function): Use debug hook.
2553         * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
2554         (sdb_debug_hooks): Update.
2555         * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
2556         * toplev.c: Don't include xcoffout.h.
2557         (note_outlining_of_inline_function, debug_ignore_block): Remove.
2558         * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
2559         Remove.
2560         * tree.h (dwarf2out_do_frame): Remove.
2561
2562 2001-07-19  Catherine Moore  <clm@cygnus.com>
2563
2564         * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
2565
2566 2001-07-19  Geoffrey Keating  <geoffk@redhat.com>
2567
2568         * reload1.c (eliminate_regs_in_insn): When updating a set
2569         to the frame pointer to the hardware frame pointer, perform
2570         the update always not just when REPLACE is set.
2571
2572         * reload1.c (choose_reload_regs): Don't inherit a reload
2573         that crosses multiple registers if registers past the first
2574         don't fit in the desired class.
2575
2576         * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
2577         when negating constants.
2578
2579 2001-07-19  Toon Moene  <toon@moene.indiv.nluug.nl>
2580
2581         * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
2582         * doc/tree.texi: Ditto.
2583
2584 2001-07-19  Mark Kettenis  <kettenis@wins.uva.nl>
2585             Jakub Jelinek  <jakub@redhat.com>
2586
2587         * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
2588         (extract_cie_info): Handle "eh" augmentation properly,
2589         remember eh_ptr.
2590         (struct frame_state, __frame_state_for): New.
2591
2592 2001-07-19  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2593
2594         * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
2595         HANDLE_SYSV_PRAGMA): Define.
2596         * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
2597         previous args.
2598         (copy_object): Caller changed.
2599
2600 2001-07-19  Andreas Schwab  <schwab@suse.de>
2601
2602         * configure.in (assembler dwarf2 debug_line support): Define nop
2603         insn for m68k.
2604         * configure: Regenerated.
2605
2606 2001-07-19  Neil Booth  <neil@daikokuya.demon.co.uk>
2607
2608         * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
2609         dwarfout.h.
2610         * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
2611         to conditionally compiled block.
2612         (dbx_debug_hooks, xcoff_debug_hooks): Update.
2613         * dbxout.h (dbxout_function): Remove.
2614         * debug.c (do_nothing_debug_hooks): Update.
2615         * debug.h (struct gcc_debug_hooks): New hooks function_decl,
2616         global_decl, deferred_inline_function.
2617         * dwarf2out.c (dwarf2_debug_hooks): Update.
2618         (dwarf2out_global_decl): New.
2619         * dwarfout.c: Don't include dwarfout.h.
2620         (dwarfout_global_decl, dwarfout_function_decl,
2621         dwarfout_deferred_inline_function): New.
2622         (dwarf_debug_hooks): Update.
2623         * dwarfout.h: Remove.
2624         * final.c: Don't include dwarfout.h.
2625         * sdbout.c (sdbout_global_decl): New.
2626         (sdbout_debug_hooks): Update.
2627         * toplev.c: Don't include dwarfout.h.
2628         (check_global_declarations, rest_of_compilation): Use new debug hooks.
2629         (note_deferral_of_defined_inline_function): Remove.
2630         * toplev.h (note_deferral_of_defined_inline_function): Remove.
2631         * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
2632         * ch/lex.c: Don't include dwarfout.h.
2633         * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
2634         (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
2635         * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
2636         * cp/optimize.c: Include debug.h.
2637         (maybe_clone_body): Use debug hook.
2638         * cp/semantics.c: Include debug.h.
2639         (expand_body): Use debug hook.
2640         * po/POTFILES.in: Remove dwarfout.h.
2641
2642 2001-07-19  Neil Booth  <neil@daikokuya.demon.co.uk>
2643
2644         * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
2645         * c-parse.in (yyerror, _yylex): Similarly.
2646         * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
2647         Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
2648         Update comments.
2649         * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
2650         * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
2651
2652 2001-07-18  Jeff Sturm  <jsturm@one-point.com>
2653
2654         * dwarf2out.c (dwarf2out_abstract_function): Don't emit
2655         in-class declaration at -g1.  Fixes c++/2814.
2656
2657 2001-07-18  Richard Henderson  <rth@redhat.com>
2658
2659         * doc/md.texi (reload_in/out): Document restrictions in predicates
2660         and constraints for these patterns.  Document empty string matching
2661         ALL_REGS.
2662
2663 2001-07-18  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2664
2665         * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
2666
2667 Wed Jul 18 20:47:36 CEST 2001  Jan Hubicka  <jh@suse.cz>
2668
2669         * cse.c: Undo my previous patch.
2670
2671 2001-07-18  Tom Tromey  <tromey@redhat.com>
2672
2673         For PR java/2812:
2674         * configure: Rebuilt.
2675         * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
2676         instead.
2677         * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
2678
2679 Wed Jul 18 18:46:30 CEST 2001  Richard Henderson <rth@cygnus.com>
2680                                Jan Hubicka  <jh@suse.cz>
2681
2682         * flow.c (redirect_edge_and_branch): Bail out on complex edges.
2683         (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
2684         * jump.c (mark_jump_label): Do not forward branches.
2685
2686 Wed Jul 18 18:35:01 CEST 2001  Jan Hubicka  <jh@suse.cz>
2687
2688         * cse.c (delete_trivially_dead_insns): Delete the libcall block
2689         when return value is unused.
2690
2691 Wed Jul 18 18:28:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
2692
2693         * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
2694
2695 Wed Jul 18 12:05:29 2001  Nicola Pero  <n.pero@mi.flashnet.it>
2696
2697         * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
2698         on error.  We can't blindly return the result of
2699         pthread_mutex_trylock because it returns a positive number on
2700         error, while we must return -1 on error.
2701         (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
2702         fixes.
2703         Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
2704
2705 2001-07-18  Andreas Jaeger  <aj@suse.de>
2706
2707         * integrate.c (output_inline_function): Correct type of debug_hooks.
2708
2709 2001-07-18  Toon Moene  <toon@moene.indiv.nluug.nl>
2710
2711         * combine.c (combine_simplify_rtx): DIV can be treated
2712         associatively for floats if unsafe math optimisations are enabled.
2713
2714 2001-07-17  Richard Henderson  <rth@redhat.com>
2715
2716         * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
2717
2718 2001-07-17  Richard Henderson  <rth@redhat.com>
2719
2720         * calls.c (prepare_call_address): New parameter SIBCALLP.  If true,
2721         don't force the function address into a register.
2722         (expand_call, emit_library_call_value_1): Update callers.
2723         * builtins.c (expand_builtin_apply): Likewise.
2724         * expr.h (prepare_call_address): Update decl.
2725
2726 2001-07-17  Chandrakala Chavva  <cchavva@redhat.com>
2727
2728         * config.gcc: For *-*-chorusos triplet, get chorus.h file from
2729         config directory.
2730         * config/i386/chorus.h: Move up.
2731         * config/sparc/chorus.h: Likewise.
2732         * config/rs6000/chorus.h: Likewise.
2733         * config/chorus.h: Moved here.
2734
2735 2001-07-17  Andreas Schwab  <schwab@suse.de>
2736
2737        * configure.in  (assembler eh_frame optimization): Handle big
2738        endian.
2739        * configure: Regenerated.
2740
2741 Tue Jul 17 23:43:31 CEST 2001  Jan Hubicka  <jh@suse.cz>
2742
2743         * expr.c (epxand_expr): Convert divisions into multiplications by
2744         reciprocals if -ffast-math.
2745
2746 2001-07-17  Neil Booth  <neil@daikokuya.demon.co.uk>
2747
2748         * dbxout.c (dbxout_really_begin_function): Rename to
2749         dbxout_begin_function.
2750         (dbx_debug_hooks, xcoff_debug_hooks): Update.
2751         (dbxout_begin_function): Remove.
2752         (dbxout_function): Update.
2753         (dbxout_source_line): Update prototype.
2754         * dbxout.h (dbxout_begin_function): Remove.
2755         * debug.c (do_nothing_debug_hooks): Update.
2756         (debug_nothing_tree): Update.
2757         (debug_nothing_charstar_rtx): Remove.
2758         * debug.h (union tree_node): Declare.
2759         (struct rtx_def): Remove.
2760         (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
2761         begin_function.  Change source_line prototype.
2762         (debug_nothing_tree): New.
2763         (debug_nothing_charstar_rtx): Delete.
2764         (dwarf2out_begin_prologue): Moved from ...
2765         * tree.h: ... here.
2766         * dwarf2out.c (dwarf2_debug_hooks): Update.
2767         (dwarf2out_begin_prologue): Update prototype.  If genuine dwarf2
2768         debug info, call dwarf2out_source_line.
2769         (dwarf2out_souce_line): Update prototype.
2770         * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
2771         Change prototype, make static.
2772         (dwarfout_source_line): Update prototype.
2773         (dwarf_debug_hooks): Update.
2774         * dwarfout.h (dwarfout_begin_function): Remove.
2775         * final.c (final_start_function, final_scan_insn): Use appropriate
2776         debug hooks, update to use notice_source_line.
2777         (output_source_line): Rename notice_source_line.  Don't call the
2778         source_line debug hook.
2779         * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
2780         make static, update prototype.
2781         (sdbout_mark_begin_function): Rename sdbout_begin_function, update
2782         prototype.
2783         (sdbout_end_prologue): New.
2784         (sdbout_source_line): Update prototype.
2785         (sdbout_debug_hooks): Update.
2786         (sdbout_symbol): Remove unused var.
2787         * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
2788         Delete.
2789         * varasm.c: Include debug.h.
2790         (assemble_start_function): Use begin_function debug_hook.
2791         * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2792         update with prototype.
2793         (xcoffout_source_line): Update prototype.
2794         * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2795         update prototype.
2796         (xcoffout_source_line): Update prototype.
2797
2798 2001-07-17  Richard Henderson  <rth@redhat.com>
2799
2800         * c-typeck.c (build_binary_op): Do not shorten unsigned
2801         right shift after sign extension.
2802
2803 Tue Jul 17 16:56:05 CEST 2001  Jan Hubicka  <jh@suse.cz>
2804
2805         * combine.c (combine_simplify_rtx): Attempt to simplify
2806         a*(b/c) as (a*b)/c for floats in unsafe_math mode.
2807
2808         * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
2809         (simplify_binary_operation, simplify_unary_operation,
2810          simplify_relational_operation): Use it.
2811
2812         * combine.c (combine_simplify_rtx): Don't do associative law
2813         on divisions; allow associative law on floats.
2814
2815 2001-07-17  H.J. Lu <hjl@gnu.org>
2816             Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2817
2818         * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
2819         ASM_OUTPUT_WEAK_ALIAS are defined.
2820         * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
2821         * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
2822         Moved ...
2823         * config/mips/iris5.h: ... here.
2824         (HANDLE_SYSV_PRAGMA): Defined as 1.
2825         * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
2826         * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
2827         symbol.
2828
2829 2001-07-17  Joseph S. Myers  <jsm28@cam.ac.uk>
2830
2831         * c-parse.in (all_prefix_attributes): New variable.
2832         (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
2833         (maybe_resetattrs): New production.
2834         (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
2835         maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
2836         notype_initdcl, nested_function, notype_nested_function,
2837         component_decl, components, components_notype,
2838         component_declarator, component_notype_declarator,
2839         absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
2840         ivars, mydecl, myparm): Update.  Avoid prefix attributes just
2841         after a comma being applied to more than one declarator.
2842         * doc/extend.texi (Attribute Syntax): Update.  Remove
2843         documentation of bugs that are no longer present.
2844
2845 2001-07-13  Eric Christopher  <echristo@redhat.com>
2846
2847         * config/mips/mips.h: Change TUNE_MIPS* options to use
2848         mips_tune.
2849         (EXTRA_SPECS): Add cc1_cpu_spec.
2850         * config/mips/mips.md (muldf3): Fix typo.
2851
2852 2001-07-16  Richard Henderson  <rth@redhat.com>
2853
2854         * config/m68k/m68k.c: Include expr.h and reload.h.
2855         (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
2856         [general int]: Use HOST_WIDE_INT_PRINT_DEC.
2857
2858 2001-07-16  Daniel Berlin  <dan@cgsoftware.com>
2859             Richard Henderson  <rth@redhat.com>
2860
2861         * cse.c (set_live_p): Take INSN argument for cc0; update callers.
2862         (insn_live_p): Fix fall off end of function.
2863         (dead_libcall_p): Remove COUNTS argument; update callers.
2864         (delete_trivially_dead_insns): Remove unused variables.
2865
2866 2001-07-17  Andreas Jaeger  <aj@suse.de>
2867
2868         * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
2869         x86-64 pic support.
2870
2871         * lcm.c (optimize_mode_switching): Avoid warning for unused
2872         variable if !NORMAL_MODE.
2873
2874         * flow.c (try_crossjump_to_edge): Remove unused variable.
2875
2876 2001-07-16  John David Anglin  <dave@hiauly1.hia.nrc.ca>
2877
2878         * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
2879         atexit declaration in stdlib.h.
2880
2881 2001-07-16  Richard Begg  <Richard.Begg@colesmyer.com.au>
2882
2883         * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
2884
2885 Mon Jul 16 22:48:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
2886
2887         * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
2888         * except.c (finish_eh_generation): Update call of cleanup_cfg;
2889         do rebuild_jump_labels instead of jump_optimize
2890         * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
2891         * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
2892         * flow.c (try_optimize_cfg): Remove unneeded code_labels.
2893
2894         * flow.c: Include timevar.h
2895         (find_basic_block): Push/pop timevar;
2896         (cleanup_cfg): Likewise.
2897         * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
2898         * Makefile: Add dependencies on timevar.h
2899
2900         * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
2901         (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
2902
2903         * rtl.h (delete_trivially_dead_insns): Add new parameter.
2904         * toplev.c (rest_of_compilation): Update calls.
2905         * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
2906         (delete_trivially_dead_insns): ... here; accept new argument
2907         preserve_basic_blocks; preserve basic blocks if set.
2908
2909         * reg-stack.c (stack_regs_mentioned): Return 0 if
2910         stack_regs_mentioned_data is not initialized.
2911         (reg_to_stack): Make stack_regs_mentioned survive after the
2912         reg-stack is completted; do not call cleanup_cfg.
2913         * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
2914         make cleanup_cfg after bb-reorder to output to debug file.
2915
2916 2001-07-16  Richard Henderson  <rth@redhat.com>
2917
2918         * regclass.c (init_reg_sets): Use only 32 bits per initializer
2919         from int_reg_class_contents.
2920
2921 2001-07-16  Richard Henderson  <rth@redhat.com>
2922
2923         * hard-reg-set.h (regs_invalidated_by_call): Declare.
2924         * regclass.c (regs_invalidated_by_call): Move from cse.c.
2925         (init_reg_sets_1): Move initialization from cse_main.
2926         * cse.c (regs_invalidated_by_call): Move to regclass.c.
2927         (cse_main): Move its initialization also.
2928         * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
2929         * flow.c (propagate_one_insn): Likewise.
2930         * gcse.c (compute_hash_table): Likewise.
2931         (compute_kill_rd, compute_store_table): Likewise.
2932         * sched-deps.c (sched_analyze_1): Likewise.
2933
2934 Mon Jul 16 18:07:07 2001  J"orn Rennecke <amylaar@redhat.com>
2935
2936         * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
2937         gen_rtx_SET.
2938
2939 2001-07-16  Steve Ellcey <sje@cup.hp.com>
2940
2941         * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
2942         in if statement so we don't access undefined memory.
2943
2944 2001-07-16  Daniel Berlin  <dan@cgsoftware.com>
2945
2946         * gcse.c: Update comment at top.
2947         Update comment on mem handling.
2948         mem_last_set, mem_first_set, mem_set_in_block: gone.
2949         Declaration of reg_set_info: gone.
2950         (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
2951         pointless with load_killed_in_block_p (they are *more*
2952         conservative then it, not less, and less accurate).
2953         (oprs_not_set_p): Ditto.
2954         (alloc_gcse_mem): Don't allocate mem_set_in_block
2955         (free_gcse_mem): Don't free it, either.
2956         (record_last_mem_set_info): Update comment in front, remove
2957         mem_*set_* stuff. Note the reason we don't handle stores directly
2958         here.
2959         (compute_hash_table): Update comments to reflect reality. Remove
2960         mem_*set_* references.
2961         (reset_opr_set_tables): Remove mem_*set_* references.
2962         (mark_call): Ditto.
2963         (mark_set): Ditto.  Also remove double sets of bitmaps for REG's.
2964         (mark_clobber): Ditto (on both parts, we double set here too).
2965         (expr_killed_p): Remove mem_set_in_block test.
2966         (compute_transp): Remove mem_set_in_block test.
2967
2968         * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
2969         of edge, and removal of phi alternative to dump file.
2970         (ssa_ccp_substitute_constants): Add note about register now being
2971         constant, and which uses were replaced in what insns to dump file.
2972
2973 2001-07-16  Andreas Jaeger  <aj@suse.de>
2974
2975         * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
2976         variables of type HOST_WIDEST_INT.
2977
2978         * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
2979         (__bb_exit_func): Correct type of count_max to avoid overflow.
2980         (num_digits): Handle long long argument.
2981
2982         * combine.c (gen_lowpart_for_combine): Remove unused variable.
2983
2984 2001-07-16  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
2985
2986         * output.h (sdb_begin_function_line): Restore as an extern
2987         variable.
2988         * sdbout.c (sdb_begin_function_line): Make extern.
2989
2990 2001-07-15  Richard Henderson  <rth@redhat.com>
2991
2992         * machmode.def (Pmode): Redefine if GENERATOR_FILE.
2993         * genrecog.c (maybe_both_true_mode): New.
2994         (maybe_both_true_2): Use it.
2995         (write_switch): Don't put Pmode in a switch.
2996         * rtl.c (mode arrays): Don't explicitly size them.
2997
2998 Sun Jul 15 14:07:36 CEST 2001  Jan Hubicka  <jh@suse.cz>
2999
3000         * toplev.c (rest_of_compilation): Fix register_life_up_to_date
3001         handling; move unconditional splitting before mode switching.
3002
3003         * i386.md (type): Add fistp type.
3004         (i387, length_attr, scheduling definitions): Handle this type.
3005         (fix_trunc?f?i2): Revamp to use mode switching.
3006         (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
3007         * i386.h (fp_cw_mode): New enum
3008         (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
3009         MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
3010
3011 Sun Jul 15 12:53:51 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3012
3013         * Makefile.in (integrate.o): Add debug.h.
3014         * integrate.c (debug.h): Add.
3015         (output_inline_function): Save, reset, and restore debug_hooks.
3016
3017 2001-07-15  Richard Henderson  <rth@redhat.com>
3018
3019         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
3020         instead of COMPARE for the EQUIV expression.
3021
3022 2001-07-15  Richard Henderson  <rth@redhat.com>
3023
3024         * flow.c (redirect_edge_and_branch_force): Initialize
3025         global_live_at_start and global_live_at_end.
3026         (allocate_bb_life_data): Export.
3027         * basic-block.h (allocate_bb_life_data): Declare.
3028         * toplev.c (rest_of_compilation): Call it.
3029
3030 2001-07-15  Richard Henderson  <rth@redhat.com>
3031
3032         * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
3033         (alpha_tablejump_best_label): New.
3034         * config/alpha/alpha-protos.h: Declare them.
3035         * config/alpha/alpha.md: Use braced strings for code blocks.
3036         (tablejump_osf): Break out add with r29.
3037         (tablejump_osf_internal): Remove.
3038         (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
3039         use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
3040
3041 Sun Jul 15 00:53:35 CEST 2001  Jan Hubicka  <jh@suse.cz>
3042
3043         * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
3044         of the movable.
3045
3046         * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
3047
3048         * i386-protos.h (ix86_split_fp_branch): Update prototype.
3049         (ix86_fp_jump_nontrivial_p): New.
3050         * i386.md (fp_jcc_?): Update call of split_fp_branch;
3051         use ix86_fp_jump_nontrivial_p.
3052         * i386.c (ix86_fp_jump_nontrivial_p): New.
3053         (ix86_split_fp_branch): Accept code instead of rtx.
3054         (ix86_expand_compare): Expand comparison early in case
3055         doing so is resonably cheap.
3056
3057 2001-07-15  Nick Clifton  <nickc@cambridge.redhat.com>
3058
3059         * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
3060         not 'machine'.
3061         (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
3062         (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
3063
3064 2001-07-15  Neil Booth  <neil@daikokuya.demon.co.uk>
3065
3066         * dbxout.c (dbxout_source_line): Make static, update prototype.
3067         (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
3068         (dbxout_init, dbxout_finish, dbxout_source_line,
3069         dbxout_begin_block, dbxout_end_block): Update for new prototypes.
3070         * dbxout.h (dbxout_source_line): Delete.
3071         * debug.c (debug_nothing_file, debug_nothing_file_int,
3072         debug_nothing_file_charstar_rtx): New.
3073         (do_nothing_debug_hooks): Update.
3074         (debug_nothing_void, debug_nothing_charstar_rtx,
3075         dwarf2out_end_epilogue): New.
3076         (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3077         * debug.h (struct rtx_def): Declare.
3078         (gcc_debug_hooks): New hooks source_line, end_epilogue
3079         and end_function.
3080         (debug_nothing_void, debug_nothing_charstar_rtx,
3081         dwarf2out_end_epilogue): New.
3082         (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3083         * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
3084         (dwarf2_debug_hooks): Update.
3085         (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
3086         dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
3087         * dwarf2out.h (dwarf2out_source_line): Remove.
3088         * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
3089         Make static, update prototype.
3090         (dwarfout_init, dwarfout_finish, dwarfout_source_line,
3091         dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
3092         (dwarf_debug_hooks): Update.
3093         * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
3094         dwarfout_end_function): Remove.
3095         * final.c (profile_function): Use debug hooks for ending functions
3096         and epilogues.
3097         (output_source_line, final_end_function): Update prototype,
3098         use debug hooks.
3099         (final_start_function, final_scan_insn): Update.
3100         * output.h (sdb_begin_function_line): Remove.
3101         (final_end_function): Update prototype.
3102         * sdbout.c (sdb_begin_function_line): Make static.
3103         (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
3104         (sdbout_source_line): New.
3105         (sdbout_end_epilogue, sdbout_end_function): Make static, update
3106         prototypes.
3107         (sdb_debug_hooks): Update.
3108         (sdbout_init, sdbout_source_line,
3109         sdbout_begin_block, sdbout_end_block): Update for new prototypes.
3110         * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
3111         * toplev.c (compile_file, rest_of_compilation): Update.
3112         * tree.h (dwarf2out_end_epilogue): Move to debug.h.
3113         * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
3114         xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
3115         Update for prototype changes.
3116         * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
3117         xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
3118
3119 2001-07-15  Richard Henderson  <rth@redhat.com>
3120
3121         * config/alpha/alpha.h (TARGET_ABI_OSF): New.
3122         (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
3123         * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
3124         * config/alpha/alpha.c: Likewise.
3125         * config/alpha/alpha.md: Likewise.
3126         * config/alpha/alpha32.h: Likewise.
3127         * config/alpha/vms.h: Likewise.
3128         (OPEN_VMS): Remove.
3129
3130 2001-07-14  Richard Henderson  <rth@redhat.com>
3131
3132         * config/alpha/alpha.md: Use define_constants for unspec values.
3133         Substitute throughout.
3134
3135 2001-07-14  Tim Josling  <tej@melbpc.org.au>
3136
3137         * tree.def (EXPON_EXPR) remove. Never supported anyway.
3138
3139 2001-07-14  John David Anglin  <dave@hiauly1.hia.nrc.ca>
3140
3141         * pa.md: Remove unused constraints from define_split's.
3142
3143 2001-04-14  Richard Henderson  <rth@redhat.com>
3144
3145         * ifcvt.c (find_cond_trap): Test for exit block.
3146
3147 Sun Jul 15 00:50:20 CEST 2001  Jan Hubicka  <jh@suse.cz>
3148
3149         Re-install recently reverted patch.
3150         * emit-rtl.c (try_split): Update mark_jump_label call.
3151         * flow.c (find_sub_basic_blocks): Likewise.
3152         * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3153         jump_back_p): Kill.
3154         (mark_all_labels): Kill second parameter.
3155         (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3156         (rebuild_jump_labels, jump_optimize_minimal): Update call
3157         of jump_optimize_1.
3158         (jump_optimize_1): Kill crossjumping code.
3159         (mark_jump_label): Kill cross_jump parameter.
3160         * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3161         (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3162         * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3163          splitting.
3164         * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3165         DFI_bpro.
3166         (dump_file_info): Likewise.
3167         (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3168         reorganize passes to do reg-stack first, bb-reorder second.
3169         * invoke.texi (-d letters doc): Remove the jump2 pass.
3170
3171 2001-07-14  Richard Henderson  <rth@redhat.com>
3172
3173         * ifcvt.c (find_cond_trap): New.
3174         (find_if_header): Call it.
3175         (merge_if_block): Relax existing jump sanity check.
3176         * jump.c (jump_optimize_1): Remove conditional trap handling.
3177
3178 2001-07-14  Alan Modra  <amodra@bigpond.net.au>
3179
3180         * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
3181         millicode.
3182         (insn_refs_are_delayed): Correct comment.
3183         * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
3184         * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
3185         instead of r31.  Make associated insn !TARGET_64BIT, and
3186         provide an additional 64-bit insn that clobbers r2.
3187         (divsi3): Likewise.
3188         (udivsi3): Likewise.
3189         (modsi3): Likewise.
3190         (umodsi3): Likewise.
3191
3192 Sat Jul 14 02:58:38 CEST 2001  Jan Hubicka  <jh@suse.cz>
3193
3194         * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
3195
3196         * flow.c (redirect_edge_and_branch_force, split_edge,
3197         try_crossjump_to_edge): Use set_block_for_new_insns.
3198         * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
3199
3200 2001-07-13  H.J. Lu  (hjl@gnu.org)
3201
3202         * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
3203         the correct patch.
3204
3205 2001-07-13  Geoffrey Keating  <geoffk@redhat.com>
3206
3207         Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
3208
3209 2001-07-13  Joseph S. Myers  <jsm28@cam.ac.uk>
3210
3211         * c-common.c (decl_attributes): Take a pointer to the node to
3212         which attributes are to be attached, and a flags argument.
3213         * c-common.h (enum attribute_flags): New.
3214         (decl_attributes): Update prototype.
3215         * c-decl.c (start_decl, push_parm_decl, finish_struct,
3216         finish_enum, start_function): Update calls to decl_attributes.
3217         * c-parse.in (component_declarator, component_notype_declarator,
3218         label): Update calls to decl_attributes.
3219
3220 Fri Jul 13 23:04:00 2001  Denis Chertykov  <denisc@overta.ru>
3221
3222         * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
3223         * config/avr/avr.c (legitimate_address_p): Return value changed
3224         from letter to register classes. For better debugging.
3225
3226 2001-07-13  Kazu Hirata  <kazu@hxi.com>
3227
3228         * jump.c (reversed_comparison_code_parts): Fix comment typos.
3229
3230 2001-07-13  H.J. Lu  (hjl@gnu.org)
3231
3232         * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
3233
3234 2001-07-13  Marc Espie  <espie@cvs.openbsd.org>
3235
3236         * config.gcc (*-*-openbsd*):  Add fragment to compile libgcc
3237         correctly for shared configurations.
3238         * config/t-libgcc-pic:  New.
3239         * config/{i386,m68k,sparc}/t-openbsd:  New.
3240         * config/openbsd.h:  Include cpu_spec in cpp_spec where needed.
3241         Support -shared.  Support debugging libraries with -g.
3242         * config/i386/openbsd.h:  Correct ASM_COMMENT_START.  Ensure dwarf2
3243         frame information does not emit pointer diffs.
3244         * config/sparc/openbsd.h:  Ensure dwarf2 frame information does not
3245         emit pointer diffs.
3246
3247 2001-07-13  Geoffrey Keating  <geoffk@redhat.com>
3248
3249         Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
3250
3251 2001-07-13  David Edelsohn  <edelsohn@gnu.org>
3252
3253         * combine.c (try_combine): Ensure const_int pow2 is positive.
3254
3255 2001-07-13  Hartmut Penner  <hpenner@de.ibm.com>
3256
3257         * config.gcc: Add configuration for s/390.
3258         * config/s390/s390.c: New. Subroutines for code generation.
3259         * config/s390/s390.h: New. Definitions for s/390.
3260         * config/s390/s390-protos.h: New. Prototypes.
3261         * config/s390/linux.h: New. Definitions for linux for s/390.
3262         * config/s390/linux64.h: New. Definitions for linux for zSeries.
3263         * config/s390/t-linux: New. Makefile fragment.
3264         * config/s390/s390.md: New. Machine description for s/390 and zSeries.
3265         * config/s390/fixdfdi.h: New. Fix L_fix*di.
3266
3267 Fri Jul 13 14:46:21 CEST 2001  Jan Hubicka  <jh@suse.cz>
3268
3269         * emit-rtl.c (try_split): Update mark_jump_label call.
3270         * flow.c (find_sub_basic_blocks): Likewise.
3271         * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3272         jump_back_p): Kill.
3273         (mark_all_labels): Kill second parameter.
3274         (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3275         (rebuild_jump_labels, jump_optimize_minimal): Update call
3276         of jump_optimize_1.
3277         (jump_optimize_1): Kill crossjumping code.
3278         (mark_jump_label): Kill cross_jump parameter.
3279         * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3280         (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3281         * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3282          splitting.
3283         * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3284         DFI_bpro.
3285         (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3286         reorganize passes to do reg-stack first, bb-reorder second.
3287         * invoke.texi (-d letters doc): Remove the jump2 pass.
3288
3289 2001-07-12  Steve Ellcey <sje@cup.hp.com>
3290
3291         * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
3292
3293 Thu Jul 12 17:57:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
3294
3295         * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
3296         basic blocks.
3297         (verify_flow_info): Make diagnostics prettier.
3298
3299 Thu Jul 12 16:48:54 CEST 2001  Jan Hubicka  <jh@suse.cz>
3300
3301         * flow.c (find_basic_blocks_1): Do not emit NOP after call.
3302
3303         * flow.c (outgoing_edges_match): Return early if condition reversal
3304         failed.
3305
3306 2001-07-06  Richard Sandiford  <rsandifo@redhat.com>
3307
3308         * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
3309         (mips_move_2words): When splitting a move into two instructions,
3310         prefix the second address operand with '%D'.
3311
3312 2001-07-12  Neil Booth  <neil@daikokuya.demon.co.uk>
3313
3314         * Makefile.in (final.o): Depend on debug.h.
3315         * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
3316         (dbx_debug_hooks): Add new hooks.
3317         (xcoff_debug_hooks): New.
3318         * debug.c (debug_nothing_file_int_int): New.
3319         (do_nothing_debug_hooks): Update.
3320         * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
3321         (debug_nothing_file_int_int): New.
3322         * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
3323         static, update prototype.
3324         (dwarf2_debug_hooks): Update.
3325         * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
3326         * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
3327         static, update prototype.
3328         (dwarf_debug_hooks): Update.
3329         * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
3330         * final.c: Include debug.h.
3331         (final_scan_insn): Use debug hooks when beginning and ending blocks.
3332         * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
3333         static, update prototype.
3334         (sdb_debug_hooks): Update.
3335         * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
3336         * toplev.c: Distinguish between xcoff and dbx.
3337
3338         * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
3339         Call all debug hooks, not just dwarf ones.
3340
3341 2001-07-11  Timothy Wall  <twall@redhat.com>
3342
3343         * config.gcc: Add configuration for AIX5/IA64.
3344         * config/ia64/aix.h: New.  AIX5/IA64-specific configuration.
3345         * config/ia64/crt[in].asm: New.  Generic static ctor/dtor
3346         support prefix/suffix code.
3347         * config/ia64/t-aix: New.  Makefile fragment.
3348         * config/ia64/unwind-aix.c: New.  Unwind table entry lookup.
3349
3350 2001-07-11  Kazu Hirata  <kazu@hxi.com>
3351
3352         * recog.c (validate_change): Fix a comment typo.
3353
3354 2001-07-11  Neil Booth  <neil@daikokuya.demon.co.uk>
3355
3356         * Makefile.in (c-lex.o): Wrap long lines.  Depend on debug.h.
3357         * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
3358         hooks directly.
3359         * dbxout.c (dbx_debug_hooks): Add new hooks.
3360         (dbxout_start_new_source_file): Rename dbxout_start_source_file,
3361         make static.
3362         (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
3363         make static.
3364         * dbxout.h (dbxout_start_new_source_file,
3365         dbxout_resume_previous_source_file): Delete.
3366         * debug.c (do_nothing_debug_hooks): Add new hooks.
3367         (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3368         (debug_nothing_int_charstar, debug_nothing_int): New.
3369         * debug.h (gcc_debug_hooks): New hooks define, undef,
3370         start_source_file and end_source_file.
3371         (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3372         (debug_nothing_int_charstar, debug_nothing_int): New.
3373         * dwarf2out.c (dwarf2_debug_hooks): Add new hooks.  Move into
3374         the conditionally compiled section.
3375         (dwarf2out_start_source_file, dwarf2out_end_source_file,
3376         dwarf2out_define, dwarf2out_undef): Make static.
3377         * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
3378         dwarf2out_define, dwarf2out_undef): Remove.
3379         * dwarfout.c (dwarf_debug_hooks): Add new hooks.
3380         (dwarfout_start_source_file, dwarfout_end_source_file,
3381         dwarfout_define, dwarfout_undef): Make static.
3382         (dwarfout_start_source_file_check,
3383         dwarfout_end_source_file_check): New.
3384         (dwarfout_define, dwarfout_finish): Update.
3385         * dwarfout.h (dwarfout_start_new_source_file,
3386         dwarfout_resume_previous_source_file, dwarfout_define,
3387         dwarfout_undef): Remove.
3388         * sdbout.c (sdb_debug_hooks): Add new hooks.
3389         (sdbout_start_new_source_file): Rename sdbout_start_source_file,
3390         make static.
3391         (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
3392         make static, take an arg.
3393         * sdbout.h (sdbout_start_new_source_file,
3394         sdbout_resume_previous_source_file): Delete.
3395         * toplev.c (debug_start_source_file, debug_end_source_file,
3396         debug_define, debug_undef): Delete.
3397         * toplev.h (debug_start_source_file, debug_end_source_file,
3398         debug_define, debug_undef): Delete.
3399
3400         * java/jcf-parse.c: Include debug.h.
3401         (parse_class_file): Update to use debug hooks directly.
3402         * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
3403
3404 Wed Jul 11 10:07:18 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3405
3406         * alias.c (set_mem_alias_set): New function.
3407         * rtl.h (set_mem_alias_set): Declare it.
3408         * builtins.c (expand_builtin_return_addr): Call it instead of
3409         using MEM_ALIAS_SET accessor.
3410         (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
3411         (get_memory_rtx, expand_builtin_va_arg): Likewise.
3412         (expand_builtin_va_copy):Likewise.
3413         * caller-save.c (setup_save_areas): Likewise.
3414         * calls.c (compute_argument_addresses): Likewise.
3415         * explow.c (set_mem_attributes): Likewise.
3416         * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
3417         (expand_assignment, store_constructor_field, store_field): Likewise.
3418         (expand_expr_unaligned): Likewise.
3419         * function.c (assign_stack_temp_for_type): Likewise.
3420         (put_reg_into_stack, gen_mem_addressof): Likewise.
3421         * ifcvt.c (noce_try_cmove_arith): Likewise.
3422         * reload1.c (reload, alter_reg): Likewise.
3423         * config/alpha/alpha.c (get_aligned_mem): Likewise.
3424         (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
3425         (alpha_expand_unaligned_store): Likewise
3426         (alpha_expand_unaligned_load_words): Likewise.
3427         (alpha_expand_unaligned_store_words): Likewise.
3428         (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
3429         (alpha_expand_epilogue): Likewise.
3430         * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
3431         * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
3432         * config/i386/i386.c (legitimize_pic_address): Likewise.
3433         * config/i960/i960.c (setup_incoming_varargs): Likewise.
3434         * config/ia64/ia64.c (spill_restore_mem): Likewise.
3435         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
3436         * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
3437         * config/mips/mips.c (mips_va_arg): Likewise.
3438         * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
3439         * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
3440         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
3441         (setup_incoming_varargs, rs6000_va_arg): Likewise.
3442         (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
3443         (rs6000_emit_epilogue): Likewise.
3444         * config/sh/sh.c (sh_builtin_saveregs): Likewise.
3445         * config/sparc/sparc.c (sparc_va_arg): Likewise.
3446         * config/v850/v850.c (v850_va_arg): Likewise.
3447
3448 Wed Jul 11 21:27:25 CEST 2001  Jan Hubicka  <jh@suse.cz>
3449
3450         * flow.c (merge_blocks_move_successor_nojumps): Do not crash
3451         when fallthru edge is present.
3452         (mege_blocks): Handle case where creation of jump insn
3453         is required.
3454
3455         * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
3456         CLEANUP_POST_REGSTACK): New constants.
3457         * except.c (finish_eh_generation): Update call of cleanup_cfg,
3458         * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
3459         * output.h (cleanup_cfg): Update prototype.
3460         * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
3461         * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
3462         cleanup_cfg call; kill missleading comment.
3463         * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
3464         * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
3465         parameter; control optimizations performed using it.
3466         (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
3467         try_crossjump_bb): New functions.
3468
3469 2001-07-11  John David Anglin  <dave@hiauly1.hia.nrc.ca>
3470
3471         * pa.c (pa_output_function_prologue): Delete prototype.  Make function
3472         extern.
3473         * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
3474         pa_output_function_prologue.
3475         * pa-protos.h (pa_output_function_prologue): New prototype.
3476
3477 2001-07-11  John David Anglin  <dave@hiauly1.hia.nrc.ca>
3478
3479         * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
3480         and low to get correct sign extension in low+high test.
3481
3482 2001-07-11  Janis Johnson <janis@us.ibm.com>
3483
3484         * gcov.c (arcdata): Use gcov_type to fix branch percentage
3485         for large hit count.
3486
3487         * profile.c (branch_prob): Fix .bbg info for computed gotos
3488         and C++ EH code.
3489
3490 2001-07-11  Mark Mitchell  <mark@codesourcery.com>
3491
3492         * stmt.c (parse_output_constraint): New function, split out
3493         from ...
3494         (expand_asm_operands): ... here.  Use parse_output_constraint.
3495         * tree.h (parse_output_constraint): Declare it.
3496
3497 2001-07-11  Richard Henderson  <rth@redhat.com>
3498
3499         * bitmap.c: Comment some functions; fiddle whitespace.
3500         (bitmap_free): Don't export.
3501         (bitmap_element_allocate): Use memset.
3502         * bitmap.h (bitmap_free): Don't declare.
3503
3504 2001-07-11  Daniel Berlin  <dan@cgsoftware.com>
3505
3506         * gcse.c, lcm.c, sched-deps.c:
3507         s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
3508
3509         * flow.c (flow_loops_find): Free dom if we found no loops, since
3510         we aren't going to save it.
3511
3512         * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
3513         done.
3514
3515 Wed Jul 11 09:00:48 2001  Jeffrey A Law  (law@cygnus.com)
3516
3517         * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
3518
3519 Wed Jul 11 10:07:18 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3520
3521         * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
3522         #ifndef DWARF2_DEBUGGING_INFO.
3523
3524 2001-07-11  Richard Sandiford  <rsandifo@redhat.com>
3525
3526         * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
3527
3528 2001-07-11  Richard Sandiford  <rsandifo@redhat.com>
3529
3530         * config/mips/mips.c (gen_int_relational): Tell the caller not to
3531         reverse a branch if a NE comparison is implemented with GTU.
3532
3533 2001-07-11  Richard Sandiford  <rsandifo@redhat.com>
3534             H.J. Lu  <hjl@gnu.org>
3535
3536         * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
3537         constant addresses.
3538         (call_internal2): Likewise.
3539         (call_value_internal1): Likewise.
3540         (call_value_internal2): Likewise.
3541         (call_value_multiple_internal1): Likewise.
3542         (call_value_multiple_internal2): Likewise.
3543
3544 2001-07-10  Kazu Hirata  <kazu@hxi.com>
3545
3546         * calls.c (emit_library_call_value_1): Fix a comment typo.
3547         * dwarf2out.c (mem_loc_descriptor): Likewise.
3548         * config/i386/i386.c (ix86_expand_aligntest): Likewise.
3549
3550 2001-07-11  David Billinghurst <David.Billinghurst@riotinto.com>
3551
3552         * simplify-rtx.c (simplify_subreg): Fix typo in comment
3553
3554 Tue Jul 10 07:27:53 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3555
3556         * recog.c (offsettable_address_p): Handle LO_SUM case.
3557         * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
3558         instead of plus_constant.
3559
3560 2001-07-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3561
3562         * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
3563         fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
3564
3565 Tue Jul 10 07:27:53 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3566
3567         * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
3568         adjust_address_nv instead of plus_constant.
3569
3570 2001-07-10  Neil Booth  <neil@daikokuya.demon.co.uk>
3571
3572         * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
3573         dwarf2out.o): Depend on debug.h, wrap long lines.
3574         * dbxout.c: Include debug.h.
3575         (dbx_debug_hooks): New.
3576         (dbxout_init): Make static, take just 2 args.
3577         (dbxout_finish): Make static.
3578         * dbxout.h (dbxout_init, dbxout_finish): Delete.
3579         * debug.c: New file.
3580         * debug.h: New file.
3581         * dwarf2out.c: Include debug.h.
3582         (dwarf2_debug_hooks): New.
3583         (dwarf2out_init): Make static.
3584         (dwarf2out_finish): Make static, take 2 args.
3585         * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
3586         * dwarfout.c: Include debug.h.
3587         (dwarf_debug_hooks): New.
3588         (dwarfout_init): Make static.
3589         (dwarfout_finish): Make static, take 2 args.
3590         * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
3591         * sdbout.c: Include debug.h.
3592         (sdb_debug_hooks): New.
3593         (sdbout_init): Make static, take 2 args.
3594         * sdbout.h (sdbout_init): Delete.
3595         * toplev.c: Include debug.h.
3596         (debug_hooks): New.
3597         (compile_file): Set deubg_hooks based on command line options.
3598         Use the hooks unconditionally rather than conditional compilation.
3599
3600 Tue Jul 10 09:04:45 2001  Jeffrey A Law  (law@cygnus.com)
3601
3602         * ssa-ccp.c (first_phi_node): Remove.  Replace uses with calls to
3603         first_insn_after_basic_block_note instead.
3604
3605         * df.c (df_bb_refs_unlink): #if 0 out for now.
3606
3607 2001-07-10  David Billinghurst <David.Billinghurst@riotinto.com
3608
3609         * ssa.h: Add prototype for ssa_const_prop
3610         * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
3611         (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
3612         (ssa_fast_dce): Remove unused variable
3613
3614 2001-07-10  Gabriel Dos Reis  <gdr@merlin.codesourcery.com>
3615
3616         * diagnostic.c (finish_diagnostic): Rename to
3617         diagnostic_finish. Make it take an 'output_buffer *'.  Adjust
3618         calls thourghout.
3619
3620 2001-07-10  Jason Merrill  <jason_merrill@redhat.com>
3621
3622         * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
3623         .loc support.
3624
3625         * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
3626         (dump_file): Only pad the demangled name with spaces if the
3627         mangled name was padded with spaces.
3628
3629 2001-07-10  Bernd Schmidt  <bernds@redhat.com>
3630
3631         * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
3632         edge detection.
3633
3634 Tue Jul 10 07:27:53 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3635
3636         * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
3637         extraction if no direct load if either EXPAND_CONST_ADDRESS or
3638         EXPAND_INITIALIZER.
3639
3640         * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
3641         whether can put offset inside LO_SUM to check mode alignment, not size.
3642
3643 2001-07-10  Gabriel Dos Reis  <gdr@merlin.codesourcery.com>
3644
3645         * doc/tm.texi (Misc): Fix thinko.
3646
3647 2001-07-10  Jan van Male  <jan.vanmale@fenk.wau.nl>
3648
3649         * regmove.c (replace_in_call_usage): Fix warnings.
3650         * sched-deps.c (add_dependence): Fix warnings.
3651         * simplify-rtx.c (simplify_subreg): Likewise.
3652         Return NULL_RTX instead of NULL.
3653
3654         * reg-stack.c (emit_swap_insn): Eliminate warnings.
3655         (subst_asm_stack_regs): Likewise.
3656
3657         * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
3658         warnings.
3659
3660         * dwarf2out.c (output_call_frame_info): Declare i as int.
3661         (build_abbrev_table): Declare n_alloc as int.
3662         (dwarf2out_finish): Initialize die.
3663         * except.c: Declare sjlj_funcdef_number as unsigned.
3664         (connect_post_landing_pads): Declare j as unsigned.
3665         (convert_to_eh_region_ranges): Initialize call_site.
3666         (output_function_exception_table): Initialize tt_format_size.
3667         * expr.c (move_by_pieces_1): Initialize to1.
3668         (store_constructor): Initialize minelt and maxelt.
3669         * flow.c (mark_regs_live_at_end): Declare i as unsigned.
3670         * function.c (instantiate_decls): Avoid signed/unsigned warning.
3671
3672         * c-decl.c (combine_parm_decls): Unused, remove.
3673         * c-tree.h: Remove prototype for combine_parm_decls.
3674
3675         * reload.c (push_reload): Fix warning.
3676         (regno_clobbered_p): Likewise.
3677         * reload1.c (replace_pseudos_in_call_usage): Likewise.
3678         (reload_combine): Likewise.
3679
3680         * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
3681         * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
3682         warnings.
3683         * bitmap.c (bitmap_operation): Change user.
3684         * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
3685
3686 2001-07-10  Eric Christopher  <echristo@redhat.com>
3687
3688         * config/mips/mips.c (override_options): Fix typo.
3689
3690 2001-07-09  Stan Shebs  <shebs@apple.com>
3691
3692         * target.h (struct gcc_target): New fields init_builtins and
3693         expand_builtin.
3694         * target-def.h (TARGET_INIT_BUILTINS): New macro.
3695         (TARGET_EXPAND_BUILTIN): New macro.
3696         (TARGET_INITIALIZER): Add them.
3697         * builtins.c: Include target.h.
3698         (expand_builtin): Use targetm.expand_builtin.
3699         (default_init_builtins): New function.
3700         (default_expand_builtin): New function.
3701         * expr.h (default_init_builtins): Declare.
3702         (default_expand_builtin): Declare.
3703         * c-common.c (c_common_nodes_and_builtins): Use
3704         targetm.init_builtins.
3705         * defaults.h (MD_INIT_BUILTINS): Remove.
3706         * Makefile.in (builtins.o): Depend on target.h.
3707
3708         * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
3709         (TARGET_EXPAND_BUILTIN): Define.
3710         * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
3711         (MD_EXPAND_BUILTIN): Remove.
3712
3713         * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
3714         (TARGET_EXPAND_BUILTIN): Define.
3715         (c4x_init_builtins): Make endlink arg a local.
3716         (c4x_print_operand): Fix typos in adjust_address usages.
3717         * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
3718         * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
3719         (MD_EXPAND_BUILTIN): Remove.
3720
3721         * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
3722         (TARGET_EXPAND_BUILTIN): Define.
3723         (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
3724         (ix86_init_builtins): Call new function only if TARGET_MMX.
3725         * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
3726         * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
3727         (MD_EXPAND_BUILTIN): Remove.
3728
3729         * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
3730         (TARGET_EXPAND_BUILTIN): Define.
3731         * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
3732         (MD_EXPAND_BUILTIN): Remove.
3733
3734         * doc/tm.texi: Document these changes.
3735
3736 2001-07-09  Diego Novillo  <dnovillo@redhat.com>
3737
3738         * basic-block.h (tree_node): Forward declare if needed.
3739         (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
3740         (BLOCK_HEAD_TREE): Define.
3741         (BLOCK_END_TREE): Define.
3742         (struct loops): Rename field 'tree' to 'tree_root'.
3743         * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
3744         'end_tree'.
3745         (flow_loops_tree_build): Rename reference to field 'tree' to
3746         'tree_root'.
3747         (flow_loops_level_compute): Ditto.
3748         * predict.c (estimate_bb_frequencies): Ditto.
3749         * tree.h (struct tree_common): Add field 'aux'.
3750
3751 2001-07-09  Stan Shebs  <shebs@apple.com>
3752
3753         * config/darwin.c (darwin_encode_section_info): Don't mark any
3754         DECL_EXTERNAL node as defined.
3755
3756 2001-07-09  John David Anglin  <dave@hiauly1.hia.nrc.ca>
3757
3758         * pa.c (pa_init_machine_status, pa_mark_machine_status,
3759         pa_free_machine_status, hppa_init_pic_save): Delete.
3760         (hppa_pic_save_rtx): New.  Use get_hard_reg_initial_val.
3761         (hppa_profile_hook): Use hppa_pic_save_rtx.
3762         * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
3763         hppa_init_pic_save): Delete.
3764         (hppa_pic_save_rtx): Declare.
3765         * pa.md (call, call_value, sibcall, sibcall_value,
3766         builtin_setjmp_receiver): Use hppa_pic_save_rtx.
3767
3768 2001-07-09  Kazu Hirata  <kazu@hxi.com>
3769
3770         * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
3771         * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
3772
3773 2001-07-09  Andreas Jaeger  <aj@suse.de>
3774
3775         * output.h: Add declaration of final_forward_branch_p.
3776
3777         * config/i386/i386.c (output_fix_trunc): Remove unused variable.
3778
3779         * varray.c: Include errors.h for internal_error and trim_filename
3780         declarations.
3781
3782         * Makefile.in (varray.o): Add errors.h.
3783
3784 2001-07-09  Toon Moene  <toon@moene.indiv.nluug.nl>
3785
3786         * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
3787         * optabs.c (have_add2_insn): Check whether the add insn chosen
3788         really accepts the operands.  (have_sub2_insn): Ditto for sub insn.
3789         * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
3790
3791 Mon Jul  9 13:26:40 2001  Jeffrey A Law  (law@cygnus.com)
3792
3793         * Makefile.in (OBJS): Add ssa-ccp.o
3794         (ssa-ccp.o): Add dependencies.
3795         * toplev.c (DFI_ssa_ccp): New dump file enum.
3796         (dump_file): Add entry for dumping after SSA CCP.
3797         (flag_ssa_ccp): New flag variable.
3798         (f_options): Add -fssa-ccp.
3799         (rest_of_compilation): Run SSA CCP if requested.
3800         * timevar.def (TV_SSA_CCP): New timevar.
3801         * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
3802         * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
3803         Fix minor typo in SSA DCE documentation.
3804         * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
3805         Add documentation for new dump option.  Renumber dump files
3806         appropriately.
3807
3808 Mon Jul  9 21:36:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
3809
3810         * emit-rtl.c (gen_highpart_mode): New.
3811         * rtl.h (gen_highpart_mode): Declare.
3812         * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
3813         operand can be VOIDmode constant.
3814
3815 Mon Jul  9 17:23:10 CEST 2001  Jan Hubicka  <jh@suse.cz>
3816
3817         * flow.c (redirect_edge_and_branch_force): New.
3818         (can_fallthru): Ensure that basic blocks are succeeding.
3819         (try_optimize_cfg): Do not delete basic block if it is the last one.
3820
3821         * flow.c (try_redirect_by_replacing_jump): Do not remove
3822         jumps with side effects, unlink chain on fallthru edge;
3823         set block for new jump instruction; avoid basic block to
3824         over by line number note.
3825
3826         * flow.c (try_simplify_condjump): Verify that the condjump
3827         is not always falling trought.
3828
3829         Re-install patch:
3830         * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3831
3832         * flow.c (forwarder_block_p): Fix for fallthru blocks.
3833         (try_redirect_by_replacing_jump): Update properly the count
3834         and frequency information.
3835
3836 Mon Jul  9 06:41:07 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3837
3838         * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
3839         address that is a LO_SUM specially.
3840         * explow.c (plus_constant_wide, case LO_SUM): Deleted.
3841
3842         * c-lang.c (start_cdtor): Remove extra parameter from start_function.
3843
3844         * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
3845         (operand_subword): Use them.
3846         (change_address_1): Renamed from change_address; new arg VALIDATE.
3847         * expr.h: Reflect above changes; change_address now macro.
3848         * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
3849         making MEM.
3850         * cselib.c (add_mem_for_addr): Likewise.
3851         * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3852         * regmove.c (try_apply_stack_adjustment): Likewise.
3853         * reload.c (push_reload, make_memloc): Likewise.
3854         * reload1.c (eliminate_regs): Likewise.
3855         * simplify-rtx.c (simplify_replace_rtx): Likewise.
3856         * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
3857         adjust_addess.
3858         * combine.c (make_extraction, simplify_shift_const): Likewise.
3859         (gen_lowpart_for_combine): Likewise.
3860         * cse.c (gen_lowpart_if_possible): Likewise.
3861         * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3862         * expr.c (expand_expr, case COMPONENT_REF): Likewise.
3863         * optabs.c (gen_move_insn): Likewise.
3864         * reload1.c (alter_reg): Likewise.
3865         * simplify-rtx.c (simplify_subreg): Likewise.
3866         * stmt.c (expand_anon_union_decl): Likewise.
3867         * recog.c (validate_replace_rtx_1): Likewise.
3868         (expr.h): Include.
3869         * Makefile.in (recog.o): Add $(EXPR_H).
3870         * explow.c (stabilize): Call replace_equiv_address.
3871         * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
3872         * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
3873
3874 2001-07-03  Andrew Haley  <aph@redhat.com>
3875
3876         * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
3877         the mode of the memory location.
3878
3879 2001-07-09  Bo Thorsen  <bo@suse.co.uk>
3880
3881         * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
3882
3883 2001-07-09  Neil Booth  <neil@daikokuya.demon.co.uk>
3884
3885         * final.c (output_addr_const): Use target opening and
3886         closing parentheses.
3887         * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
3888         defaults, add to TARGET_ASM_OUT.
3889         * target.h (struct gcc_target): Add open_paren and close_paren.
3890         * doc/md.texi: Update.
3891         * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
3892         TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
3893         TARGET_ASM_CLOSE_PAREN.
3894         * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3895         Override.
3896         * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3897         Override.
3898         * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
3899         * config/a29k/a29k.h: Similarly.
3900         * config/alpha/alpha.h: Similarly.
3901         * config/arc/arc.h: Similarly.
3902         * config/arm/aof.h: Similarly.
3903         * config/arm/aout.h: Similarly.
3904         * config/avr/avr.h: Similarly.
3905         * config/c4x/c4x.h: Similarly.
3906         * config/clipper/clipper.h: Similarly.
3907         * config/convex/convex.h: Similarly.
3908         * config/d30v/d30v.h: Similarly.
3909         * config/dsp16xx/dsp16xx.h: Similarly.
3910         * config/elxsi/elxsi.h: Similarly.
3911         * config/fr30/fr30.h: Similarly.
3912         * config/h8300/h8300.h: Similarly.
3913         * config/i370/i370.h: Similarly.
3914         * config/i386/i386.h: Similarly.
3915         * config/i860/i860.h: Similarly.
3916         * config/i960/i960.h: Similarly.
3917         * config/ia64/ia64.h: Similarly.
3918         * config/m32r/m32r.h: Similarly.
3919         * config/m68hc11/m68hc11.h: Similarly.
3920         * config/m68k/m68k.h: Similarly.
3921         * config/m88k/m88k.h: Similarly.
3922         * config/mcore/mcore.h: Similarly.
3923         * config/mips/mips.h: Similarly.
3924         * config/mn10200/mn10200.h: Similarly.
3925         * config/mn10300/mn10300.h: Similarly.
3926         * config/ns32k/ns32k.h: Similarly.
3927         * config/pa/pa.h: Similarly.
3928         * config/pdp11/pdp11.h: Similarly.
3929         * config/pj/pj.h: Similarly.
3930         * config/romp/romp.h: Similarly.
3931         * config/rs6000/rs6000.h: Similarly.
3932         * config/sh/sh.h: Similarly.
3933         * config/sparc/sparc.h: Similarly.
3934         * config/v850/v850.h: Similarly.
3935         * config/vax/vax.h: Similarly.
3936         * config/we32k/we32k.h: Similarly.
3937
3938 2001-07-09  Joseph S. Myers  <jsm28@cam.ac.uk>
3939
3940         * doc/c-tree.texi: Document representation of attributes.
3941
3942 2001-07-08  Joseph S. Myers  <jsm28@cam.ac.uk>
3943
3944         * doc/tm.texi: Update some places for the rename of target to
3945         targetm.  Fix typo.
3946
3947 2001-07-08  Joseph S. Myers  <jsm28@cam.ac.uk>
3948
3949         * target.h (struct gcc_target): Add insert_attributes.
3950         * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
3951         (TARGET_INITIALIZER): Update.
3952         * tree.c, tree.h (default_insert_attributes): New function.
3953         Update comments on other default functions to refer to targetm,
3954         not target.
3955         * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
3956         TARGET_INSERT_ATTRIBUTES.
3957         (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
3958         * c-common.c (decl_attributes): Use targetm.insert_attributes.
3959         Don't use PRAGMA_INSERT_ATTRIBUTES.
3960         * Makefile.in (c-common.o): Depend on $(TARGET_H).
3961         * c-decl.c (start_decl, start_function): Don't call
3962         SET_DEFAULT_DECL_ATTRIBUTES.
3963         * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3964         * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
3965         declare.
3966         * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
3967         (c4x_check_attribute): Avoid modifying attribute list itself.
3968         (c4x_set_default_attributes): Rename to c4x_insert_attributes.
3969         Make static.
3970         * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
3971         * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
3972         declare.
3973         * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
3974         (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
3975         Make static.
3976         * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3977         * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
3978         declare.
3979         * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
3980         (v850_set_default_decl_attr): Rename to v850_insert_attributes.
3981         Adjust parameters.  Make static.
3982
3983 2001-07-08  Joseph S. Myers  <jsm28@cam.ac.uk>
3984
3985         * c-common.c (decl_attributes): Only take a single attributes
3986         parameter.
3987         * c-common.h (decl_attributes): Update prototype.
3988         * c-decl.c (start_decl, start_function): Only take a single
3989         attributes parameter.  Update calls to decl_attributes.
3990         (finish_struct, finish_enum): Update calls to decl_attributes.
3991         (push_parm_decl): Expect unified list of attributes.  Update call
3992         to decl_attributes.
3993         * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
3994         notype_nested_function, component_declarator,
3995         component_notype_declarator, label): Update calls to
3996         decl_attributes.
3997         (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
3998         lists that are passed to push_parm_decl.
3999         * c-tree.h (start_function, start_decl): Update prototypes.
4000         * config/sh/sh-protos.h, config/sh/sh.c
4001         (sh_pragma_insert_attributes): Only take a single attributes
4002         parameter.
4003         * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
4004         * doc/tm.texi (INSERT_ATTRIBUTES): Update.
4005         * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
4006         build_module_descriptor, generate_static_references,
4007         generate_strings, build_selector_translation_table,
4008         generate_descriptor_table, generate_protocols,
4009         generate_ivars_list, generate_dispatch_table,
4010         generate_protocol_list, generate_category,
4011         generate_shared_structures, really_start_method, add_objc_decls,
4012         generate_classref_translation_entry): Update calls to start_decl
4013         and start_function.
4014         (build_tmp_function_decl, start_method_def): Unify attribute lists
4015         that are passed to push_parm_decl.
4016
4017 2001-07-08  Neil Booth  <neil@daikokuya.demon.co.uk>
4018
4019         * final.c (no_asm_to_stream): New.
4020         (final_scan_insn): Use target structures for prologue ends
4021         and epilogue starts.
4022         * output.h (no_asm_to_stream): New.
4023         * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
4024         TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
4025         (TARGET_ASM_OUT): Update.
4026         * target.h (struct gcc_target): New members function_end_prologue
4027         and function_begin_epilogue.
4028         * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
4029         * config/alpha/alpha-protos.h (output_end_prologue): Delete.
4030         * config/alpha/alpha.c (output_end_prologue): Rename to
4031         alpha_output_function_end_prologue.  Use in target struct
4032         and make static.
4033         * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
4034         * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
4035         * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
4036         ia64_output_function_end_prologue.  Use in target struct
4037         and make static.
4038         (ia64_function_prologue, ia64_funciton_epilogue): Rename
4039         mistyped prototypes.
4040         * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
4041         * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
4042         Delete.
4043         * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
4044         an use in target struct, make static.
4045         * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
4046         Delete.
4047
4048 2001-07-08  Richard Henderson  <rth@redhat.com>
4049
4050         * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
4051
4052 2001-07-08  Richard Henderson  <rth@redhat.com>
4053
4054         * config/i386/i386.md: Remove constraints strings from define_split
4055         and define_peephole2 patterns.
4056         (eh_return_si, eh_return_di): Split eh_return_1 for modes.
4057         (eh_return): Use them.
4058
4059 2001-07-08  Richard Henderson  <rth@redhat.com>
4060
4061         * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
4062         Document MD_FALLBACK_FRAME_STATE_FOR.
4063
4064 2001-07-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4065
4066         * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
4067         Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
4068         elimination.
4069         * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
4070
4071 2001-07-07  Nick Clifton  <nickc@cambridge.redhat.com>
4072
4073         * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
4074         of the label inside NAME as opposed to just the end of NAME.
4075
4076 2001-07-07  Neil Booth  <neil@daikokuya.demon.co.uk>
4077
4078         * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
4079         * config/alpha/alpha.c (alpha_init_machine_status,
4080         alpha_mark_machine_status, alpha_free_machine_status): Delete.
4081         (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
4082         (vms_valid_decl_attribute_p): Make static, conditionally compile.
4083         * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
4084
4085 2001-07-06  Stan Shebs  <shebs@apple.com>
4086
4087         * target.h (targetm): Rename global from "target", so as not to
4088         conflict with local variables.
4089         * c-decl.c: Ditto.
4090         * c-typeck.c: Ditto.
4091         * final.c: Ditto.
4092         * tree.c: Ditto.
4093         * cp/decl.c: Ditto.
4094         * cp/decl2.c: Ditto.
4095         * cp/typeck.c: Ditto.
4096         * 1750a/1750a.c: Ditto.
4097         * a29k/a29k.c: Ditto.
4098         * arc/arc.c: Ditto.
4099         * arm/arm.c: Ditto.
4100         * avr/avr.c: Ditto.
4101         * clipper/clipper.c: Ditto.
4102         * convex/convex.c: Ditto.
4103         * d30v/d30v.c: Ditto.
4104         * dsp16xx/dsp16xx.c: Ditto.
4105         * elxsi/elxsi.c: Ditto.
4106         * fr30/fr30.c: Ditto.
4107         * h8300/h8300.c: Ditto.
4108         * i370/i370.c: Ditto.
4109         * i386/i386.c: Ditto.
4110         * i860/i860.c: Ditto.
4111         * i960/i960.c: Ditto.
4112         * ia64/ia64.c: Ditto.
4113         * m32r/m32r.c: Ditto.
4114         * m68hc11/m68hc11.c: Ditto.
4115         * m68k/m68k.c: Ditto.
4116         * m88k/m88k.c: Ditto.
4117         * mips/mips.c: Ditto.
4118         * ns32k/ns32k.c: Ditto.
4119         * pa/pa.c: Ditto.
4120         * pdp11/pdp11.c: Ditto.
4121         * romp/romp.c: Ditto.
4122         * rs6000/rs6000.c: Ditto.
4123         * sh/sh.c: Ditto.
4124         * sparc/sparc.c: Ditto.
4125         * vax/vax.c: Ditto.
4126         * we32k/we32k.c: Ditto.
4127         * doc/tm.texi: Update the manual to match.
4128
4129 2001-07-06  Richard Henderson  <rth@redhat.com>
4130
4131         * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
4132         DWARF2_UNWIND_INFO not just whether it is defined.
4133
4134 2001-07-06  Diego Novillo  <dnovillo@redhat.com>
4135
4136         * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
4137         call to simplify_binary_operation returns a new pattern.
4138
4139 2001-07-06  Roman Lechtchinsky  <rl@cs.tu-berlin.de>
4140
4141         * glimits.h (__SHRT_MAX__): New.
4142         (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
4143         (SHRT_MAX): Define in terms of __SHRT_MAX__.
4144
4145 2001-07-06  Jan van Male  <jan.vanmale@fenk.wau.nl>
4146
4147         * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
4148         avoid warnings.
4149
4150 2001-07-06  Richard Henderson  <rth@redhat.com>
4151
4152         * bitmap.c (bitmap_release_memory): Move adjacent to the
4153         allocation functions.
4154         (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
4155         the implementation.  Binary search for the set bit.
4156         (bitmap_union_of_diff): Allocate the temporary on the stack
4157         instead of using xmalloc.
4158
4159 2001-07-06  Richard Henderson  <rth@redhat.com>
4160
4161         * genrecog.c (validate_pattern): Warn for constraints in
4162         define_{expand,split,peephole2}.  Remove strict_low_part
4163         before looking up match_dup.
4164
4165 2001-07-06  DJ Delorie  <dj@redhat.com>
4166
4167         * doc/gcc.texi (Makefile): Rename to be a more general purpose
4168         chapter about various build hints and history.  Add section
4169         talking about the various types of native and cross builds.
4170
4171 2001-07-06  Neil Booth  <neil@daikokuya.demon.co.uk>
4172
4173         * Makefile.in (final.o): Depend on target.h.
4174         * final.c: Include target.h.
4175         (default_function_pro_epilogue): New.
4176         (final_start_function): Use target structure for function prologues.
4177         (final_end_function): Use target structure for function epilogues.
4178         * fold-const.c (real_hex_to_f): Constify s and p.
4179         * output.h (default_function_pro_epilogue): New.
4180         * real.h (real_hex_to_f): Update prototype.
4181         * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
4182         TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
4183         (TARGET_INITIALIZER): Update.
4184         * target.h (gcc_target): Add struct asm_out.
4185         * doc/tm.texi: Update.
4186
4187 config:
4188         Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
4189         TARGET_ASM_FUNCTION_EPILOGUE.  Move macro code to functions
4190         in cpu/cpu.c, or rename old functions consistently.  Take
4191         a HOST_WIDE INT not an int as the SIZE parameter.  Remove now
4192         redundant macros and prototypes.  Make new functions static.
4193
4194         * 1750a/1750a.c: Similarly.
4195         * 1750a/1750a.h: Similarly.
4196         * a29k/a29k-protos.h: Similarly.
4197         * a29k/a29k.c: Similarly.
4198         * a29k/a29k.h: Similarly.
4199         * arc/arc-protos.h: Similarly.
4200         * arc/arc.c: Similarly.
4201         * arc/arc.h: Similarly.
4202         * arm/arm-protos.h: Similarly.
4203         * arm/arm.c: Similarly.
4204         * arm/arm.h: Similarly.
4205         * avr/avr-protos.h: Similarly.
4206         * avr/avr.c: Similarly.
4207         * avr/avr.h: Similarly.
4208         * clipper/clipper-protos.h: Similarly.
4209         * clipper/clipper.c: Similarly.
4210         * clipper/clipper.h: Similarly.
4211         * convex/convex.c: Similarly.
4212         * convex/convex.h: Similarly.
4213         * d30v/d30v-protos.h: Similarly.
4214         * d30v/d30v.c: Similarly.
4215         * d30v/d30v.h: Similarly.
4216         * d30v/d30v.md: Similarly.
4217         * dsp16xx/dsp16xx-protos.h: Similarly.
4218         * dsp16xx/dsp16xx.c: Similarly.
4219         * dsp16xx/dsp16xx.h: Similarly.
4220         * elxsi/elxsi.c: Similarly.
4221         * elxsi/elxsi.h: Similarly.
4222         * fr30/fr30.c: Similarly.
4223         * fr30/fr30.md: Similarly.
4224         * h8300/h8300-protos.h: Similarly.
4225         * h8300/h8300.c: Similarly.
4226         * h8300/h8300.h: Similarly.
4227         * i370/i370-protos.h: Similarly.
4228         * i370/i370.c: Similarly.
4229         * i370/i370.h: Similarly.
4230         * i386/i386.c: Similarly.
4231         * i386/osf1elf.h: Similarly.
4232         * i386/osfrose.h: Similarly.
4233         * i860/i860-protos.h: Similarly.
4234         * i860/i860.c: Similarly.
4235         * i860/i860.h: Similarly.
4236         * i960/i960-protos.h: Similarly.
4237         * i960/i960.c: Similarly.
4238         * i960/i960.h: Similarly.
4239         * ia64/ia64-protos.h: Similarly.
4240         * ia64/ia64.c: Similarly.
4241         * ia64/ia64.h: Similarly.
4242         * m32r/m32r-protos.h: Similarly.
4243         * m32r/m32r.c: Similarly.
4244         * m32r/m32r.h: Similarly.
4245         * m68hc11/m68hc11-protos.h: Similarly.
4246         * m68hc11/m68hc11.c: Similarly.
4247         * m68hc11/m68hc11.h: Similarly.
4248         * m68k/crds.h: Similarly.
4249         * m68k/dpx2.h: Similarly.
4250         * m68k/m68k-protos.h: Similarly.
4251         * m68k/m68k.c: Similarly.
4252         * m68k/m68k.h: Similarly.
4253         * m68k/news.h: Similarly.
4254         * m88k/m88k-protos.h: Similarly.
4255         * m88k/m88k.c: Similarly.
4256         * m88k/m88k.h: Similarly.
4257         * mips/mips-protos.h: Similarly.
4258         * mips/mips.c: Similarly.
4259         * mips/mips.h: Similarly.
4260         * ns32k/merlin.h: Similarly.
4261         * ns32k/ns32k.c: Similarly.
4262         * ns32k/ns32k.h: Similarly.
4263         * ns32k/tek6000.h: Similarly.
4264         * pa/pa-protos.h: Similarly.
4265         * pa/pa.c: Similarly.
4266         * pa/pa.h: Similarly.
4267         * pdp11/2bsd.h: Similarly.
4268         * pdp11/pdp11-protos.h: Similarly.
4269         * pdp11/pdp11.c: Similarly.
4270         * pdp11/pdp11.h: Similarly.
4271         * romp/romp-protos.h: Similarly.
4272         * romp/romp.c: Similarly.
4273         * romp/romp.h: Similarly.
4274         * rs6000/rs6000-protos.h: Similarly.
4275         * rs6000/rs6000.c: Similarly.
4276         * rs6000/rs6000.h: Similarly.
4277         * rs6000/sysv4.h: Similarly.
4278         * sh/sh-protos.h: Similarly.
4279         * sh/sh.c: Similarly.
4280         * sh/sh.h: Similarly.
4281         * sparc/sparc-protos.h: Similarly.
4282         * sparc/sparc.c: Similarly.
4283         * sparc/sparc.h: Similarly.
4284         * vax/vax.c: Similarly.
4285         * vax/vax.h: Similarly.
4286         * vax/vms.h: Similarly.
4287         * we32k/we32k.c: Similarly.
4288         * we32k/we32k.h: Similarly.
4289
4290 Fri Jul  6 11:47:59 2001  Jeffrey A Law  (law@cygnus.com)
4291
4292         * basic-block.h (first_insn_after_basic_block_note): Declare.
4293         * flow.c (first_insn_after_basic_block_note): Define.  Moved
4294         from...
4295         * ssa.c (first_insn_after_basic_block_note): Remove.
4296         * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
4297         necessary.
4298         (ssa_eliminate_dead_code): Properly update the CFG and PHI
4299         nodes when we find a dead conditional branch.  Insert BARRIERs
4300         after any blocks with no successors, but which do not have
4301         any BARRIERs.
4302
4303 2001-07-06  Zack Weinberg  <zackw@stanford.edu>
4304
4305         * varray.c (varray_check_failed): Use internal_error.
4306
4307 2001-07-05  Andrew Haley  <aph@redhat.com>
4308
4309         * Makefile.in (LIB2_DIVMOD_FUNCS): New.
4310         (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
4311         * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
4312
4313 2001-07-02  Jason Merrill  <jason_merrill@redhat.com>
4314
4315         * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
4316         reference if the target constant is also a SYMBOL_REF.
4317
4318 2001-07-05  Eric Christopher  <echristo@redhat.com>
4319
4320         * config/mips/mips.h (MASK_MIPS3900): Remove.
4321         (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
4322         MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
4323         (TARGET_MIPS3900): Change to use mips_arch.
4324         (TARGET_MIPS4000): New.
4325         (TARGET_MIPS4100): New.
4326         (TARGET_MIPS4300): New.
4327         (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
4328         (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
4329         for -mipsX.
4330         (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
4331         (ISA_HAS_BRANCHLIKELY): To here.
4332         (CC1_CPU_SPEC):  New.
4333         (CC1_SPEC): Use here.  Remove 4650 and 3900 options.
4334         (mips_arch_string): Declare.
4335         (mips_arch): Declare.
4336         (TARGET_OPTIONS): Add -march and -mtune.
4337
4338         * config/mips/mips.c (mips_arch_string): New.
4339         (mips_arch): New.
4340         (override_options): Handle -march for codegen and -mtune
4341         for scheduling. Use mips_arch. Move tx39 target default here.
4342         (mips_parse_cpu): Move error message to override_options.
4343
4344         * config/mips/r3900.h (TARGET_DEFAULT): Remove.
4345
4346         * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
4347
4348         * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
4349         (MIPS Options): Ditto.  Change mcpu entry to historical text.
4350
4351 2001-07-05  H.J. Lu  (hjl@gnu.org)
4352
4353         * config/mips/mips.c (mips_parse_cpu): New function to parse
4354         -march=*/-mcpu=*.
4355
4356 2001-07-05  Jim Wilson  <wilson@redhat.com>
4357
4358         * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
4359         * config/ia64/t-ia64: Likewise.
4360         (LIB1ASMFUNCS): Update comment.
4361
4362 2001-07-05  David Edelsohn  <edelsohn@gnu.org>
4363
4364         * doc/install.texi (Install GCC: Binaries): Fix typo.
4365
4366 2001-07-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4367
4368         * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
4369         reference using the stack pointer, adjust it since we push Y
4370         temporarily.
4371         ("*ashrsi3"): Likewise.
4372         ("*lshrsi3"): Likewise.
4373
4374 2001-07-05  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4375
4376         * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
4377         when -fomit-frame-pointer is used.
4378
4379 2001-07-05  Jeffrey Oldham  <oldham@codesourcery.com>
4380
4381         * flow.c: Reverse Jan Hubicka's patch of 02July2001.
4382         (try_redirect_by_replacing_jump): Reverse updating properly the
4383         count and frequency information.  Reverse removing cc0 setter.
4384         (forwarder_block_p): Reverse fixing for fallthru blocks.
4385
4386 2001-07-05  DJ Delorie  <dj@redhat.com>
4387
4388         * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
4389         (translate_options): If the above is defined, use it to map
4390         given options to new options.
4391         * doc/tm.texi: Document it.
4392
4393 2001-07-05  Brad Lucier <lucier@math.purdue.edu>
4394             Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
4395
4396         * doc/invoke.texi (Optimize Options): Document that -fgcse may
4397         cause programs using computed gotos to run more slowly.
4398
4399 2001-07-05  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4400
4401         * doc/install.texi (Specific): Markup, spelling and typo fixes.
4402         Fixed sorting.
4403         Consistently require binutils 2.11.2, not prereleases.
4404         (Specific, decstation-*): Canonicalize as mips-dec-*.
4405         (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
4406         always necessary.
4407         (Specific, m68k-altos): Removed reference to README.altos, deleted.
4408         (Specific, mips-*): Reword MIPS C compiler requirements.
4409         (Specific, powerpc*-*-*): New, mention --with-cpu once.
4410         (Specific, sunv5): Removed, obsolete.
4411
4412 2001-07-05  Nathan Sidwell  <nathan@codesourcery.com>
4413
4414         * dwarf2out.c (output_loc_list): Use an all ones mask for
4415         .text asm output and don't rely on long long
4416         literals. Reformat some long lines.
4417
4418 2001-07-05  Andreas Jaeger  <aj@suse.de>
4419
4420         * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
4421         section.
4422
4423 2001-07-04  Daniel Berlin  <dan@cgsoftware.com>
4424
4425         * dwarf2out.c (dwarf2out_define): Update comment.
4426         (dwarf2out_undef): Ditto.
4427         (dwarf2out_start_source_file): Ditto.
4428         (dwarf2out_end_source_file): Ditto.
4429         (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
4430         since we never call the start/end debug hook for the primary file.
4431
4432 2001-07-04  Kazu Hirata  <kazu@hxi.com>
4433
4434         * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
4435         from shll.
4436
4437 2001-07-04  Nathan Sidwell  <nathan@codesourcery.com>
4438
4439         * cppinit.c (remove_dup_dirs): Inform if a system include
4440         directory is being reordered.
4441         * doc/invoke.texi (Directory Options): GCC warns if you hide a
4442         system include.
4443         * doc/cpp.texi (Search Paths): Likewise.
4444         * doc/gcc.texi (Interoperation): Remove information about
4445         -I/usr/include.
4446
4447 2001-07-04  Nathan Sidwell  <nathan@codesourcery.com>
4448
4449         * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
4450         (VARRAY_TOP_CHAR_PTR): Likewise.
4451
4452 2001-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4453
4454         * gcc.c (process_command): Don't assign elements of a const char*.
4455
4456 Wed Jul  4 13:40:02 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4457
4458         * emit-rtl.c (change_address): Don't abort if invalid address while
4459         reload is in progress.
4460
4461 2001-07-04  Daniel Berlin  <dan@cgsoftware.com>
4462
4463         * c-lex.c (cb_file_change): Pass line number to
4464         debug_start_source_file.
4465         (cb_undefine): Pass correct line number to debug_undef.
4466
4467         * toplev.c (debug_start_source_file): Add line number to
4468         parameters. Pass it along to dwarf2out_start_source_file.
4469         (decode_g_option): Stop resetting debug level back to normal when
4470         we change debug formats, unless the current level is
4471         none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
4472         3).
4473
4474         * toplev.h (debug_start_source_file): Add line number to
4475         parameters.
4476
4477         * dwarf2out.h (dwarf2out_start_source_file): Add line number to
4478         parameters.
4479
4480         * dwarf2out.c (dwarf2out_start_source_file): Add line number to
4481         parameters.
4482         Output debug_macinfo data for starting file if requested.
4483         (dwarf2out_end_source_file): Output debug_macinfo data for ending
4484         file if requested.
4485         (dwarf2out_define): Output debug_macinfo data for defining a macro
4486         if requested.
4487         (dwarf2out_undef): Output debug_macinfo data for undefining a
4488         macro if requested.
4489         (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
4490         (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
4491         (macinfo_section_label): New. DWARF2 macro info section label.
4492         (dwarf2out_init): If we want macro info, output the start label
4493         for the section.
4494         (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
4495         attribute to the compilation unit die pointing to the macro info.
4496
4497 2001-07-04  Daniel Berlin  <dan@cgsoftware.com>
4498
4499         * dwarf2out.c (new_loc_list): Move to inside #ifdef
4500         DWARF2_DEBUGGING_INFO.
4501         (add_loc_descr_to_loc_list): Ditto.
4502         (output_loc_list): Ditto.
4503         Also, fix thinko in curr not being initialized.
4504         (gen_internal_sym): Ditto.
4505
4506 Wed Jul  4 13:40:02 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4507
4508         * emit-rtl.c (replace_equiv_address): New function.
4509         * expr.h (replace_equiv_address): New declaration.
4510         * explow.c (validize_mem): Call it instead of change_address and
4511         also call if -fforce-addr and address is constant.
4512         * expr.c: Replace more calls to change_address with adjust_address
4513         and/or replace_equiv_address or to validize_mem.
4514         * function.c, regmove.c, config/alpha/alpha.c: Likewise.
4515         * config/arm/arm.md, config/clipper/clipper.md: Likewise.
4516         * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4517         * config/i370/i370.md, config/i860/i860.md: Likewise.
4518         * config/i960/i960.md, config/mips/mips.c: Likewise.
4519         * config/mips/mips.md, config/pa/pa.md: Likewise.
4520         * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
4521         * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
4522
4523 2001-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4524
4525         * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
4526
4527         * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
4528         function.
4529
4530 2001-07-04  Joseph S. Myers  <jsm28@cam.ac.uk>
4531
4532         * doc/include: New directory.
4533         * doc/fdl.texi: Move to doc/include/fdl.texi.
4534         * doc/texinfo.tex: Move to doc/include/texinfo.tex.
4535         * doc/include/funding.texi, doc/include/gpl.texi: New files.
4536         * doc/gcc.texi: Use funding.texi and gpl.texi.
4537         * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
4538         $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
4539         Update dependencies and use -I $(docdir)/include.
4540
4541 2001-07-04  Anthony Green  <green@redhat.com>
4542
4543         * config/v850/t-v850 (v850-c.o): Add missing dependencies.
4544
4545 2001-07-04  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
4546
4547         * doc/install.texi (sparc64-*-*): Remove garbage.
4548
4549 Wed Jul  4 09:07:44 2001  Jan van Male  <jan.vanmale@fenk.wau.nl>
4550
4551         * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
4552         Fix typo in last change to use adjust_address.
4553
4554 2001-07-04  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
4555
4556         * doc/install.texi (Specific): Update information for *-*-solaris*.
4557
4558 Tue Jul  3 22:33:15 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4559
4560         * explow.c (plus_constant_wide): Reinitialize Y for restart.
4561
4562 2001-07-03  Stan Shebs  <shebs@apple.com>
4563
4564         * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
4565         case for flag_no_mach_text_sections.
4566         (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
4567         * config/darwin.c (flag_no_mach_text_sections): Remove.
4568         * config/darwin-protos.h (darwin_init_pragma): Remove decl.
4569
4570 Tue Jul  3 15:35:52 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4571
4572         * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
4573         and avoid checking for constant as first operand.
4574         * recog.c (find_constant_term_loc): No longer static.
4575         (adj_offettable_operand): Delete.
4576         * rtl.h (adj_offsettable_operand): Delete declaration.
4577         (find_constant_term): Add declaration.
4578         * caller-save.c: Replace calls to adj_offsettable_operand with calls
4579         to adjust_address.
4580         * config/arm/arm.c, config/c4x/c4x.c: Likewise.
4581         * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
4582         * config/i386/i386.c, config/i386/i386.md: Likewise.
4583         * config/i860/i860.c, config/i960/i960.c: Likewise.
4584         * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
4585         * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
4586         * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
4587         * config/mips/mips.c, config/mips/mips.md: Likewise.
4588         * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
4589         * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
4590         * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
4591         * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
4592         * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
4593         * config/ns32k/ns32k.md: Likewise.
4594
4595 2001-07-03  Zack Weinberg  <zackw@stanford.edu>
4596
4597         * rtl.c (copy_rtx): Handle 'T' format letter.
4598         * gensupport.c (collect_insn_data): Likewise.
4599         * print-rtl.c (print_rtx): Print 'T' slots like 's'.
4600
4601 2001-07-03  Nick Clifton  <nickc@cambridge.redhat.com>
4602
4603         * doc/invoke.texi (Directory Options): Specifiy range for <N> in
4604         -B option.  Use 'dir' not 'foo' as example directory name.
4605
4606 2001-07-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4607
4608         * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4609         Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
4610
4611 2001-07-03  Joseph S. Myers  <jsm28@cam.ac.uk>
4612
4613         * doc/cppinternals.texi: Improve formatting and logical markup.
4614
4615 2001-07-03  Andreas Jaeger  <aj@suse.de>
4616
4617         * Makefile.in (insn-recog.o): Add dependency on reload.h.
4618
4619         * genrecog.c (write_header): Include reload.h for prototypes in
4620         insn-recog.c.
4621
4622 2001-07-03  Neil Booth  <neil@daikokuya.demon.co.uk>
4623
4624 config:
4625         * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
4626         VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
4627         * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
4628         i386_pe_valid_type_attribute_p): Add.
4629         * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
4630         * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
4631
4632 Mon Jul  2 21:52:19 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4633
4634         * explow.c (plus_constant_wide, case LO_SUM): New case.
4635         (plus_constant_for_output_wide): Delete.
4636         * rtl.h (plus_constant_for_output): Delete.
4637         * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
4638         instead of plus_constant_for_output.
4639         * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
4640         * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
4641         * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
4642         * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
4643         * config/sparc/sparc.md: Likewise.
4644         Convert some change_address calls to adjust_address.
4645
4646 2001-07-03  Joseph S. Myers  <jsm28@cam.ac.uk>
4647
4648         * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
4649         doc/rtl.texi, doc/tm.texi: Improve formatting.  Improve
4650         documentation of -std and -Wwrite-strings.
4651
4652 2001-07-02  Geoffrey Keating  <geoffk@redhat.com>
4653
4654         * cse.c (canon_hash): Don't register registers in very small
4655         register classes, as extending their lifetime might cause
4656         reload to fail.
4657
4658 Mon Jul  2 23:14:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
4659
4660         * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
4661
4662         * flow.c (forwarder_block_p): Fix for fallthru blocks.
4663         (try_redirect_by_replacing_jump): Update properly the count
4664         and frequency information.
4665
4666 Mon Jul  2 14:20:13 2001  Jeffrey A Law  (law@cygnus.com)
4667
4668         * toplev.c (dump_file_index): Move SSA dumps just after first
4669         jump dump.
4670         (dump_file): Corresponding changes.
4671         (rest_of_compilation): Move SSA path to just after the first
4672         jump pass.
4673         * doc/gcc.texi (Passes): Update due to movement of SSA path.
4674         * doc/invoke.texi: Update dump file #s as they were completely
4675         out of date with reality.
4676
4677 2001-07-02  Geoffrey Keating  <geoffk@redhat.com>
4678
4679         * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
4680
4681         * expr.c (emit_move_insn_1): Deal with non-default
4682         STACK_PUSH_CODE.
4683
4684         * expr.c (emit_single_push_insn): Fix warning.
4685
4686 2001-07-02  Toshiyasu Morita  <toshiyasu.morita@hsa.hitachi.com>
4687
4688         * expr.c (emit_move_insn_1): Avoid modifying
4689         cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
4690
4691 Mon Jul  2 15:33:31 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4692
4693         * emit-rtl.c (adjust_address): New function.
4694         * expr.h (adjust_address): Add declaration.
4695         * builtins.c: Replace some calls to change_address with calls to it
4696         or to validize_mem.
4697         * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
4698         * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
4699         * config/arm/arm.c, config/convex/convex.c: Likewise.
4700         * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4701         * config/i386/i386.c, config/i386/i386.md: Likewise.
4702         * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
4703         * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
4704         * config/m88k/m88k.c, config/mips/mips.md: Likewise.
4705         * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
4706         * config/sh/sh.c, config/sparc/sparc.md: Likewise.
4707
4708 2001-07-02  Jim Wilson  <wilson@redhat.com>
4709
4710         * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
4711
4712 2001-07-02  Steve Ellcey  <sje@cup.hp.com>
4713
4714         * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
4715         * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
4716
4717 2001-07-02  Zack Weinberg  <zackw@stanford.edu>
4718
4719         * cppinit.c (lang_defaults): New table.
4720         (set_lang): Just read from lang_defaults into the live options
4721         structure.
4722
4723 2001-07-02  Zack Weinberg  <zackw@stanford.edu>
4724
4725         * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
4726         * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
4727         * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
4728
4729 2001-07-02  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4730
4731         * doc/install.texi: Various spelling and markup fixes.
4732         (Installing GCC): Component specific installation instructions are
4733         gone.
4734         Fix reference.
4735         Warn about removing old install dir in the presence of shared libs.
4736         (Configuration): Invoke with options target to match configure
4737         --help.
4738         Consistently refer to gas, gld pathnames.
4739         Invert --enable-multilib documentation.
4740         Remove references to old compiler versions.
4741
4742 Mon Jul  2 12:50:51 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4743
4744         * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
4745
4746 2001-07-02  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4747
4748         * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
4749         section.
4750         (Specific, mips*-sgi-irix5): Note IDO download.
4751         Reworded MIPS C hints.
4752         Use GNU as instead of GAS.
4753         Markup fixes.
4754         Removed SGI Freeware reference, IRIX 6 only.
4755         (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
4756         Note N64 library requirement/workaround.
4757         Update O32 hints.
4758         Complete list of structure passing bug victims.
4759
4760 2001-07-02  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
4761
4762         * doc/install.texi: Remove CVS Id.
4763
4764 2001-07-02  Andreas Jaeger  <aj@suse.de>
4765
4766         * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
4767         (find_inherently_necessary): Remove unused variable.
4768
4769 2001-07-02  Nathan Sidwell  <nathan@codesourcery.com>
4770
4771         * c-common.h (TDI_inlined): New ast dump phase.
4772         (dump_flag_name): New function.
4773         * c-dump.c (dump_files): Add inlined phase.
4774         (dump_flag_name): Define.
4775         * doc/invoke.texi (-fdump-ast-inlined): Document.
4776
4777 Mon Jul  2 06:29:36 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4778
4779         * stor-layout.c (layout_decl): Revert change to handling of alignment
4780         in packed types.
4781
4782 Sun Jul  1 11:53:52 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4783
4784         * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
4785         for FIELD_DECL.
4786
4787 2001-07-01  Geoffrey Keating  <geoffk@redhat.com>
4788
4789         * doc/tm.texi (FUNCTION_ARG): Document that the last call
4790         is special.
4791
4792 2001-07-01  Nathan Sidwell  <nathan@codesourcery.com>
4793
4794         * tlink.c (recompile_files): Remove COMPILER_PATH and
4795         LIBRARY_PATH from the environment.
4796
4797 2001-07-01  Zack Weinberg  <zackw@stanford.edu>
4798
4799         * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
4800         RID_LAST_PQ.  Move RID_FIRST_PQ down with the other FIRST/LAST
4801         enumerators.
4802         (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
4803
4804         * c-parse.in (OBJC_STRING): Kill.
4805         (objc_string): Decompose to [objc_string] '@' STRING.
4806         (reswords): Take the leading '@' off all the Objective C keywords.
4807         (objc_rid_sans_at): Kill.
4808         (init_reswords): Don't initialize it.
4809         (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
4810         (_yylex): Kill reconsider label.  Look ahead one token after
4811         an '@'; if we get an identifier, check whether it's an
4812         Objective C @-keyword.  If so, return the keyword.  Otherwise,
4813         put back the token and return the '@' as a terminal.
4814
4815         * cpplib.c (lex_macro_node): Remove unnecessary check for
4816         leading '@' on identifier.  Clarify control flow and commentary.
4817
4818 Sun Jul  1 11:53:52 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4819
4820         * cse.c (new_label_ref): Variable deleted.
4821         (insert): Remove set of new_label_ref.
4822         (check_for_label_ref): New function.
4823         (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
4824
4825 See ChangeLog.5 for earlier changes.