gcc/ChangeLog

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