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