gcc/ChangeLog

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