gcc/ChangeLog

   1 2001-08-18  Richard Henderson  <rth@redhat.com>
   2
   3         * timevar.def (TV_MACH_DEP): New.
   4         * toplev.c (rest_of_compilation): Use it.
   5         * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
   6
   7 2001-08-18  Zack Weinberg  <zackw@panix.com>
   8
   9         * unwind-dw2.c (execute_stack_op): Add default aborts to
  10         the inner switches to prevent warnings.
  11
  12 2001-08-18  Richard Henderson  <rth@redhat.com>
  13
  14         * timevar.h (struct timevar_time_def): Change element type to float.
  15         (ticks_to_msec, clocks_to_msec): Likewise.
  16         (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
  17         (get_time): Likewise.
  18         (timevar_print): Adjust zero check and printing to match.
  19
  20 2001-08-18  Zack Weinberg  <zackw@panix.com>
  21
  22         * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
  23         doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
  24         Eliminate overfull or underfull hboxes.
  25
  26 2001-08-18  Zack Weinberg  <zackw@panix.com>
  27
  28         * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
  29
  30 2001-08-18  Zack Weinberg  <zackw@panix.com>
  31
  32         * haifa-sched.c: Convert to target hooks.  Macros replaced
  33         are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
  34         MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
  35         MD_SCHED_FINISH, and HAVE_cycle_display.
  36         * target-def.h (TARGET_SCHED_ADJUST_COST,
  37         TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
  38         TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
  39         TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
  40         TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
  41         New hook #defines to be overridden.
  42         (TARGET_SCHED): Bring them all together.
  43         (TARGET_INITIALIZER): Update.
  44         * target.h: Don't forward declare struct rtx_def.  Use 'rtx'
  45         instead of 'struct rtx_def *' throughout.
  46         (struct sched): New set of hooks for the scheduler.
  47         * Makefile.in (haifa-sched.o): Depend on target.h.
  48         * doc/tm.texi: Document the new scheduler hooks, together in
  49         their own section, instead of scattered around.
  50         Fix a bunch of underfull/overfull hboxes.
  51
  52         * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
  53         ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
  54         sparc.h: Don't define any of the old scheduler macros.
  55
  56         * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
  57         ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
  58         sparc.c: Create hook functions from code extracted from
  59         corresponding target header, or make existing hooks static, as
  60         appropriate.  Set the appropriate entries in targetm.
  61
  62         * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
  63         i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
  64         rs6000-protos.h, s390-protos.h, sparc-protos.h:
  65         Remove prototypes for functions which are now static.
  66
  67         * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
  68         related gunk; the Haifa scheduler is now the only choice.
  69
  70 2001-08-18  Zack Weinberg  <zackw@panix.com>
  71
  72         * optabs.h (OTI_flodiv, flodiv_optab): Kill.
  73         * genopinit.c: Put floating point divide insns in sdiv_optab.
  74         * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
  75         * config/gofast.h, config/c4x/c4x.h,
  76         config/ia64/hpux_longdouble.h, config/mips/mips.h,
  77         config/pa/long_double.h, config/rs6000/sysv4.h,
  78         config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
  79         * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
  80         (init_optabs): Use init_optabv for overflow-trapping optabs.
  81         Don't init flodiv_optab.  Give mov_optab, movstrict_optab, and
  82         cmp_optab RTX codes so have_insn_for can find them.
  83
  84         * optabs.c (expand_simple_binop, expand_simple_unop,
  85         have_insn_for, gen_sub3_insn): New interfaces.
  86         * expr.h: Prototype new functions.
  87         (enum optab_methods): Move here from optabs.h.
  88
  89         * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
  90         loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
  91         Use new functions instead of working directly with optabs.
  92         * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
  93         unroll.c: Don't include optabs.h.
  94         * caller-save.c, combine.c, function.c, stmt.c: Just include
  95         insn-codes.h, not optabs.h.
  96         * Makefile.in: Update dependencies.
  97
  98         * combine.c (make_compound_operation, simplify_comparison):
  99         Fix typos testing for this or that instruction.
 100
 101 2001-08-18  Herman A.J. ten Brugge  <Haj.Ten.Brugge@net.HCC.nl>
 102
 103         * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
 104         generating libgcc.a.
 105
 106 2001-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 107
 108         * except.c (TYPE_HASH): Delete.
 109
 110         * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
 111         HOST_WIDE_INT.
 112
 113         * tree.c (TYPE_HASH): Delete.
 114
 115         * tree.h (TYPE_HASH): Define.
 116
 117 2001-08-18  Graham Stott  <grahams@redhat.com>
 118
 119         * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
 120         define_split.
 121         (adddi3_internal_2+2): Likewise.
 122         (eh_set_lr_di+1): Likewise.
 123
 124 2001-08-17  Richard Henderson  <rth@redhat.com>
 125
 126         * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
 127         UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
 128         * dwarf2asm.c: ... here.
 129         * dwarfout.c: Remove them.
 130
 131         * varasm.c (assemble_integer): Add align parameter.
 132         (assemble_real, output_constant, output_constructor): Likewise.
 133         * output.h: Update decls.
 134         * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
 135         config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
 136         config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
 137         config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
 138         config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
 139         Update all callers.
 140
 141         * final.c (end_final): Abort profile block generation if we
 142         havn't layed it out properly.
 143         * output.h (assemble_eh_integer): Remove stale decl.
 144         * varasm.c (assemble_zeros): Tidy; use assemble_integer.
 145         (min_align): New.
 146         (assemble_integer): Handle unaligned data.
 147         (assemble_real): Abort on unaligned data.
 148         (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
 149         anything useful.
 150         (default_dtor_section_asm_out_destructor): Use assemble_align.
 151         (default_named_section_asm_out_constructor): Likewise.
 152         (default_ctor_section_asm_out_constructor): Likewise.
 153         * config/darwin.c (machopic_asm_out_constructor): Likewise.
 154         (machopic_asm_out_destructor): Likewise.
 155         * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
 156         (nextstep_asm_out_destructor): Likewise.
 157         * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
 158         (vms_asm_out_destructor): Likewise.
 159
 160 2001-08-17  Richard Henderson  <rth@redhat.com>
 161
 162         * config/mips/iris6.h (TARGET_IRIX6): New.
 163         (current_section_name, current_section_flags): New.
 164         (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
 165         (MAX_OFILE_ALIGNMENT): New.
 166         (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
 167         * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
 168         (copy_file_data): Split out from
 169         (mips_asm_file_end): ... here.
 170         (mips_asm_file_start): Remove extra .section directive.  Use
 171         tmpfile instead of mips_make_temp_file.
 172         (mips_unique_section): Use const char * as needed for warnings.
 173         (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
 174         re-add align parameter.
 175         (iris6_asm_named_section): New.
 176         (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
 177         (iris6_asm_output_align, iris6_section_align_1): New.
 178         (iris6_asm_file_start, iris6_asm_file_end): New.
 179         * config/mips/mips-protos.h: Update decls.
 180
 181 2001-08-17  Janis Johnson  <janis187@us.ibm.com>
 182
 183         * doc/install.texi (Install GCC): Add links to build status pages.
 184         (Specific): Ditto.
 185         (Final install): Ditto; request updates for specific info
 186
 187 2001-08-17  Neil Booth  <neil@daikokuya.demon.co.uk>
 188
 189         * cpperror.c (print_location):  Don't take a file name; use the
 190         line map instead.
 191         (_cpp_begin_message): Similarly.
 192         (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
 193         cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
 194         (cpp_pedwarn_with_file_and_line): Remove.
 195         * cppfiles.c (stack_include_file): Update; set filename to stdin
 196         here when appropriate.
 197         * cpphash.h (struct cpp_buffer): Remove nominal_fname.
 198         (_cpp_begin_message): Don't take a file name.
 199         * cppinit.c: Add comment.
 200         * cpplex.c: Fix end-of-directive indicator.
 201         * cpplib.c: Don't include intl.h.
 202         (run_directive, do_diagnostic): Update.
 203         (do_line): Update to not use nominal_fname.
 204         (cpp_push_buffer): Don't take a filename.
 205         * cpplib.h (struct ht): Remove.
 206         (cpp_push_buffer): Don't take a filename.
 207         (cpp_pedwarn_with_file_and_line): Remove.
 208         * cppmacro.c (struct cpp_macro): Remove file.
 209         (builtin_macro): Update.
 210         (_cpp_create_definition): Update.
 211         * cppmain.c: Correct comment.
 212         * fix-header.c (read_scan_file): Update.
 213
 214 2001-08-17  Kazu Hirata  <kazu@hxi.com>
 215
 216         * sbitmap.c: Fix comment formatting.
 217         * sched-deps.c: Likewise.
 218         * sibcall.c: Likewise.
 219         * simplify-rtx.c: Likewise.
 220         * ssa.c: Likewise.
 221         * ssa-ccp.c: Likewise.
 222         * stor-layout.c: Likewise.
 223         * timevar.c: Likewise.
 224         * toplev.c: Likewise.
 225         * unwind-dw2.c: Likewise.
 226         * unwind-dw2-fde.c: Likewise.
 227         * varasm.c: Likewise.
 228
 229 2001-08-17  John David Anglin  <dave@hiauly1.hia.nrc.ca>
 230
 231         * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
 232         or larger than an integer in memory.
 233
 234 2001-08-17  Zack Weinberg  <zackw@panix.com>
 235
 236         * system.h: Forward-declare struct rtx_def, struct rtvec_def,
 237         and union tree_node.  Typedef rtx, rtvec, and tree.  Fix comment.
 238         * rtl.h: Don't forward-declare union tree_node here.  Don't
 239         typedef rtx or rtvec here.  Change all uses of struct rtx_def *,
 240         struct rtvec_def *, or union tree_node * to use rtx, rtvec,
 241         and tree respectively.
 242         * tree.h: Don't forward-declare struct rtx_def here.  Don't
 243         typedef tree here.  Change all uses of struct rtx_def *,
 244         struct rtvec_def *, or union tree_node * to use rtx, rtvec,
 245         and tree respectively.
 246
 247 2001-08-17  Richard Henderson  <rth@redhat.com>
 248
 249         * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
 250         config/mips/openbsd.h: Fix typos last change.
 251
 252 2001-08-17  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 253
 254         * doc/invoke.texi (Optimize Options): The default for
 255         -finline-limit is 600.
 256
 257 2001-08-17  Richard Henderson  <rth@redhat.com>
 258
 259         * varasm.c (text_section): Allow TEXT_SECTION to override the
 260         printing of TEXT_SECTION_ASM_OP.
 261         * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
 262         (DATA_SECTION, BSS_SECTION): Remove.
 263         * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
 264         RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
 265         Rename from s/_NAME//.
 266         * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
 267         (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
 268         (TEXT_SECTION): ... here.  New.
 269         * config/mips/elf.h (TEXT_SECTION): New; no file switching.
 270         * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
 271         * config/mips/openbsd.h: Likewise.
 272         * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
 273         (mips_asm_file_end): Likewise test.
 274         (mips_output_function_epilogue): Likewise.  Switch back to data
 275         section after emitting the function.
 276
 277         * doc/tm.texi (Sections): Document TEXT_SECTION.
 278
 279 2001-08-17  Richard Henderson  <rth@redhat.com>
 280
 281         * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
 282         (dwarf2out_finish): Do it here.  Emit .debug_loc before .debug_info.
 283
 284 2001-08-17  Richard Henderson  <rth@redhat.com>
 285
 286         * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
 287         * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
 288         __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
 289         Add aligned attribute.
 290
 291 2001-08-17  Andrew Haley  <aph@cambridge.redhat.com>
 292
 293         * config/sh/sh.md: Add modes to unspecs in first insn to match
 294         those in the second.
 295
 296         * Makefile.in: Fix collect2 copy for Cygwin.
 297
 298 Fri Aug 17 15:48:57 CEST 2001  Jan Hubicka  <jh@suse.cz>
 299
 300         Install the proper patch.
 301         * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
 302         (assign_params): Avoid setting DECL_RTL to unfinished RTX.
 303         (expand_function_start): Likewise.
 304         * stmt.c (expand_decl): Likewise.
 305         * varasm.c (make_decl_rtx): Likewise.
 306
 307 Fri Aug 17 15:41:35 CEST 2001  Jan Hubicka  <jh@suse.cz>
 308
 309         * final.c: Undo my previous accidental checkin.
 310         * output.h: Likewise.
 311         * tm.texi: Likewise.
 312
 313 2001-08-16  Richard Henderson  <rth@redhat.com>
 314
 315         * varasm.c (named_section_flags): Remove align parameter.
 316         * varasm.c, dwarf2out.c: Update all callers.
 317         * output.h: Update prototypes.
 318
 319         * target.h (target.asm_out.named_section): Remove align parameter.
 320         * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
 321         config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
 322         config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
 323         config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
 324         config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
 325
 326         * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
 327         (get_named_section_flags, set_named_section_flags): New.
 328         (named_section_flags): Use them.
 329         (named_section): Do decl vs section flags check here...
 330         (default_section_type_flags): ... not here.
 331         (init_varasm_once): Create in_named_htab.
 332         (resolve_unique_section): Mark reloc unused.
 333
 334 2001-08-16  Richard Henderson  <rth@redhat.com>
 335
 336         * varasm.c (force_const_mem): Keep pool alignment in bits.
 337         (output_constant_pool): Use assemble_align.
 338
 339 2001-08-16  Zack Weinberg  <zackw@panix.com>
 340
 341         * doc/tm.texi: Remove extra @table command.
 342
 343 2001-08-16  Zack Weinberg  <zackw@panix.com>
 344
 345         * final.c (shorten_branches): Clear the end of the label_align
 346         array only if we made it larger.  Break up messy expressions
 347         for clarity.
 348
 349         * diagnostic.c (internal_error): Check for error recursion
 350         before doing ICE suppression.
 351
 352         * timevar.c: Timing variables now count in milliseconds.
 353         (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
 354         (get_time): Not here.
 355         (timevar_print): Don't print any timer whose user, cpu, and
 356         wall times are all zero as displayed.
 357         * timevar.h: Update comment aboout units.  Make timevar
 358         counters unsigned.
 359
 360 Thu Aug 16 17:39:45 CEST 2001  Jan Hubicka  <jh@suse.cz>
 361
 362         * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
 363         (assign_params): Avoid setting DECL_RTL to unfinished RTX.
 364         (expand_function_start): Likewise.
 365         * stmt.c (expand_decl): Likewise.
 366         * varasm.c (make_decl_rtx): Likewise.
 367
 368 2001-08-16  Jason Merrill  <jason_merrill@redhat.com>
 369
 370         * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
 371         (finalize_record_size): Don't set TYPE_USER_ALIGN.
 372
 373 2001-08-16  Matt Kraai  <kraai@alumni.carnegiemellon.edu>
 374
 375         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
 376         variables.
 377
 378 2001-08-16  Andreas Jaeger  <aj@suse.de>
 379
 380         * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
 381         prototype.
 382
 383 Wed Aug 15 15:22:52 EDT 2001  John Wehle  (john@feith.com)
 384
 385         * rtl.h (only_sets_cc0_p): New prototype.
 386         * jump.c (sets_cc0_p): Handle INSN.
 387         (only_sets_cc0_p): New function.
 388         * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
 389         (tidy_fallthru_edge): Likewise.
 390         * integrate.c (copy_insn_list): Likewise.
 391         * unroll.c (unroll_loop): Likewise.
 392         (copy_loop_body): Likewise.
 393
 394 2001-08-15  Jason Eckhardt  <jle@redhat.com>
 395
 396         * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
 397
 398 Wed Aug 15 14:24:22 CEST 2001  Jan Hubicka  <jh@suse.cz>
 399
 400         * predict.c (struct block_info_def): Remove nvisited.
 401         (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
 402         (estimate_bb_frequencies): Call mark_dfs_back_edges.
 403
 404         * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
 405         (ix86_adjust_cost): Teach scheduler that latency to load operand can
 406         be masked.
 407
 408 Wed Aug 15 12:41:32 CEST 2001  Jan Hubicka  <jh@suse.cz>
 409
 410         * predict.def: Update hitrates.
 411
 412 2001-08-15  Richard Henderson  <rth@redhat.com>
 413
 414         * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
 415
 416 Tue Aug 14 17:30:59 2001  Jeffrey A Law  (law@cygnus.com)
 417
 418         * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
 419         note from its associated jump.
 420
 421 2001-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
 422
 423         * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
 424         also on 64-bit s390x targets.
 425
 426 2001-08-14  Nick Clifton  <nickc@cambridge.redhat.com>
 427
 428         * config/arm/arm.c (arm_compute_initial_elimination_offset): New
 429         function.
 430         (arm_expand_prologue): Handled nested functions which take a
 431         variable argument list.
 432         * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
 433         macro with an invocation of
 434         arm_compute_initial_elimination_offset.
 435         * config/arm/arm-protos.h: Prototype
 436         arm_compute_initial_elimination_offset.
 437
 438 2001-08-14  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 439
 440         * doc/install.texi (Specific, avr): Fix markup.
 441         (Specific, c4x): Ditto.
 442
 443 2001-08-14  Matt Kraai  <kraai@alumni.carnegiemellon.edu>
 444
 445         * predict.c (dump_prediction): Change `bool' parameter to `int'.
 446
 447 2001-08-14  Gabriel Dos Reis  <gdr@codesourcery.com>
 448
 449         * Makefile.in (OBJS): Add rtl-error.o
 450         (rtl-error.o): New rule.
 451         (diagnostic.o): Adjust dependency.
 452         diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
 453         error_for_asm, _fatal_insn, _fatal_insn_not_found,
 454         warning_for_asm): Move to...
 455         rtl-error.c: ...here.  New file.
 456
 457 2001-08-14  Richard Henderson  <rth@redhat.com>
 458
 459         * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
 460         if USING_SJLJ_EXCEPTIONS.
 461
 462 2001-08-14  Steve Ellcey <sje@cup.hp.com>
 463
 464         * tlink.c (scan_linker_output): Check string for unsatisfied in
 465         addition to undefined and unresolved.
 466
 467 2001-08-14  Graham Stott  <grahams@redhat.com>
 468
 469         * libgcc2.c (*): Replace EH_FRAME_SECTION with
 470         EH_FRAME_SECTION_NAME.
 471
 472 Tue Aug 14 14:57:07 CEST 2001  Jan Hubicka  <jh@suse.cz>
 473
 474         * genattrtab.c (simplify_test_exp_in_temp): New function.
 475         (simplify_test_exp): Avoid explicit use of temporary obstack.
 476         (simplify_cond, insert_right_side, evaluate_eq_attr,
 477         simplify_and_tree, simplify_or_tree, eliminate_known_true):
 478         Use simplify_test_exp_in_temp.
 479         (optimize_attrs): Iterate until expression stabilizes.
 480
 481 2001-08-13  Ulrich Weigand  <uweigand@de.ibm.com>:
 482
 483         * glimits.h: Remove the __LONG_MAX__ special case for s390x.
 484         * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
 485
 486 2001-08-13  Richard Henderson  <rth@redhat.com>
 487
 488         * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
 489         (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
 490         * config/arm/conix-elf.h: Likewise.
 491
 492 2001-08-13  Geoffrey Keating  <geoffk@redhat.com>
 493
 494         * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
 495         in gcc.c.
 496         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
 497
 498         * gcse.c (hash_scan_set): Expressions that are set as part of
 499         jump instructions are not available.
 500
 501 2001-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
 502
 503         * config/s390/s390.c (print_operand, s390_function_prologue,
 504         s390_va_start): Fixed HOST_WIDE_INT type mismatch.
 505
 506 2001-08-13  Richard Henderson  <rth@redhat.com>
 507
 508         * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
 509         * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
 510         * doc/tm.texi (Exception Region Output): Document it.
 511
 512 2001-08-13  Geoffrey Keating  <geoffk@redhat.com>
 513
 514         * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
 515         DWARF2 instead of stabs by default.
 516
 517 2001-08-13  David Edelsohn  <edelsohn@gnu.org>
 518
 519         * config/rs6000/rs6000.c: Include optabs.h.
 520
 521 2001-08-13  David Edelsohn  <edelsohn@gnu.org>
 522
 523         * config/rs6000/eabi.asm: Define 64-bit versions of FPR
 524         save/restore routines.
 525         * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
 526
 527 2001-08-13  Andreas Jaeger  <aj@suse.de>
 528
 529         * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
 530         the english is correct.
 531
 532 2001-08-13  Zack Weinberg  <zackw@panix.com>
 533
 534         * expr.h: Split out optab- and libfunc-related code to...
 535         * optabs.h, libfuncs.h: ... these new headers.
 536
 537         * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
 538         (OPTABS_H): New.
 539         (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
 540         dependencies.
 541         * mkconfig.sh: Don't include insn-codes.h from config.h.
 542
 543         * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
 544         enum insn_code is available.  Move reload_in_optab and
 545         reload_out_optab array declarations to optabs.h.
 546         * regmove.c (gen_add3_insn): Move to optabs.c, export from
 547         there, prototype in expr.h.
 548         * gencodes.c: Cleanup: zap global variables, don't use
 549         printf where puts will do, don't bother defining MAX_INSN_CODE
 550         which nothing uses, let CODE_FOR_nothing get its value implicitly.
 551
 552         * genemit.c, genopinit.c: Include optabs.h in generated file.
 553         * genoutput.c: Include insn-codes.h in generated file.
 554         * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
 555         expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
 556         reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
 557         config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
 558         config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
 559         config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
 560         Include optabs.h.
 561         * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
 562         optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
 563         config/m88k/m88k.c, config/sparc/sparc.c:
 564         Include libfuncs.h.
 565         * reload.c: Include expr.h and optabs.h before reload.h.
 566         * config/alpha/alpha.c: Include tree.h before reload.h.
 567         * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
 568         and reload.h in that order.
 569         * config/sparc/sparc.c: Include debug.h.
 570         * recog.c: Include insn-codes.h.
 571
 572 2001-08-13  Andreas Jaeger  <aj@suse.de>
 573
 574         * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
 575         s390*linux.
 576
 577 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
 578
 579         * dwarf2out.c (output_cfa_loc): Fix typo in comment.
 580         * gcc.c (init_spec): Fix typo in comment.
 581         * varasm.c (data_section): Fix typo in comment.
 582
 583 Mon Aug 13 02:27:39 CEST 2001  Jan Hubicka  <jh@suse.cz>
 584
 585         * predict.c (dump_prediction): New argument "USED".
 586         (combine_predictions_for_insn): Determine the used heuristics,
 587         output the case no heuristic applied.
 588         * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
 589
 590 2001-08-13  Andreas Jaeger  <aj@suse.de>
 591
 592         * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
 593         register %rip.
 594
 595 2001-08-13  Kazu Hirata  <kazu@hxi.com>
 596
 597         * jump.c: Fix formatting.
 598
 599 2001-08-13  Kazu Hirata  <kazu@hxi.com>
 600
 601         * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
 602         length.
 603
 604 2001-08-12  Geoffrey Keating  <geoffk@redhat.com>
 605
 606         * loop.c (check_dbra_loop): Use condjump_label to compute
 607         jump_label.
 608
 609         * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
 610         to better document the files they're in.
 611
 612 2001-08-12  Zack Weinberg  <zackw@panix.com>
 613
 614         * recog.h (struct insn_operand_data): Shrink 'mode' field
 615         to 16 bits.
 616
 617 2001-08-12  Kazu Hirata  <kazu@hxi.com>
 618
 619         * gcc.c: Fix comment formatting.
 620         * gccspec.c: Likewise.
 621         * gcov.c: Likewise.
 622         * gcse.c: Likewise.
 623         * genemit.c: Likewise.
 624         * gengenrtl.c: Likewise.
 625         * genrecog.c: Likewise.
 626         * gensupport.c: Likewise.
 627         * ggc-page.c: Likewise.
 628         * global.c: Likewise.
 629         * graph.c: Likewise.
 630         * ifcvt.c: Likewise.
 631         * integrate.c: Likewise.
 632         * lcm.c: Likewise.
 633         * libgcc2.c: Likewise.
 634         * loop.c: Likewise.
 635         * mbchar.c: Likewise.
 636         * optabs.c: Likewise.
 637         * predict.c: Likewise.
 638         * prefix.c: Likewise.
 639         * profile.c: Likewise.
 640         * protoize.c: Likewise.
 641         * real.c: Likewise.
 642         * recog.c: Likewise.
 643         * regclass.c: Likewise.
 644         * regmove.c: Likewise.
 645         * reg-stack.c: Likewise.
 646         * reload1.c: Likewise.
 647         * resource.c: Likewise.
 648         * rtlanal.c: Likewise.
 649         * rtl.c: Likewise.
 650
 651 2001-08-12  Kazu Hirata  <kazu@hxi.com>
 652
 653         * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
 654         a tree representing a constant is passed to the macro.
 655
 656 2001-08-12  Richard Henderson  <rth@redhat.com>
 657
 658         * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
 659         (rs6000_elf_asm_out_destructor): New.
 660         * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
 661         (DTORS_SECTION_ASM_OP): Remove.
 662         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
 663         (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
 664
 665 2001-08-12  David Edelsohn  <edelsohn@gnu.org>
 666
 667         Revert:
 668         2001-08-02  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 669         * gcc.c (set_collect_gcc_options): New function, split out from
 670         main.
 671         Ignore elided switches.
 672         (do_spec_1): Invoke before executing command.
 673         (set_input): Export.
 674         Move declaration ...
 675         * gcc.h (set_input): ... here.
 676         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
 677         file.
 678
 679 2001-08-12  Richard Henderson  <rth@redhat.com>
 680
 681         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
 682         thinko wrt TARGET_RELOCATABLE.
 683
 684 2001-08-12  Neil Booth  <neil@daikokuya.demon.co.uk>
 685
 686         * fix-header.c (cb_file_change): Update prototype.
 687
 688 2001-08-11  Zack Weinberg  <zackw@panix.com>
 689
 690         * toplev.c (set_float_handler): Make static.
 691         * toplev.h: Don't prototype set_float_handler.
 692
 693         * simplify-rtx.c: Don't include setjmp.h.
 694         (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
 695         New functions.
 696         (simplify_unary_operation, simplify_binary_operation): Use them,
 697         via do_float_handler.
 698
 699         * fold-const.c: Don't include setjmp.h.
 700         (exact_real_inverse_1): New function.
 701         (exact_real_inverse): Use it, via do_float_handler.
 702
 703         * varasm.c: Don't include setjmp.h.
 704         (assemble_real_1): New function.
 705         (assemble_real): Use it, via do_float_handler.
 706         Call internal_error if we get a trap here.
 707
 708         * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
 709         config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
 710
 711 2001-08-11  Zack Weinberg  <zackw@panix.com>
 712
 713         * defaults.h: Define PREFERRED_STACK_BOUNDARY to
 714         STACK_BOUNDARY if not already defined.
 715
 716         * calls.c, function.c, reload1.c, explow.c: Don't default
 717         PREFERRED_STACK_BOUNDARY.  Remove all #if/#ifdef on
 718         PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
 719
 720         * explow.c (allocate_dynamic_stack_space): Change unsafe #if
 721         to run-time test.
 722
 723         * doc/tm.texi: Document that STACK_BOUNDARY is required;
 724         clarify difference between it and PREFERRED_STACK_BOUNDARY.
 725
 726 2001-08-11  Neil Booth  <neil@daikokuya.demon.co.uk>
 727
 728         * cppmacro.c (enter_macro_context): Push macro expansions even
 729         if empty.
 730
 731 2001-08-11  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
 732
 733         * config/rs6000/rs6000.c: Include integrate.h to silence warning.
 734         (rs6000_elf_section_type_flags): Actually return a value.
 735
 736 2001-08-11  Ulrich Weigand  <uweigand@de.ibm.com>
 737
 738         * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
 739         Clean up code: add missing comments and prototypes, fix warnings,
 740         remove obsolete code, fix spacing to conform to coding style.
 741
 742 2001-08-11  Ulrich Weigand  <uweigand@de.ibm.com>
 743
 744         * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
 745         and TARGET_ASM_CLOSE_PAREN.
 746         (regclass_map): CC register belongs to class NO_REGS.
 747         (legitimize_pic_address): Don't generate unnecessary moves
 748         (to avoid confusing loop optimization).
 749         (check_and_change_labels): Replace jump_long by indirect_jump.
 750         (s390_final_chunkify): Don't start a new literal pool on section
 751         switch in 64-bit code.
 752         (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
 753
 754         * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
 755         (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
 756         (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
 757         modes correctly.
 758         (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
 759         (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
 760         (CONST_COSTS): Fixed incorrect costs.
 761
 762         * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
 763         Use emit_jump instead of emit_jump_insn (gen_jump).
 764         (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
 765         (to avoid confusing flow analysis).
 766         (tablejump, tablejump1, tablejump2): Removed.  Replaced by casesi.
 767         (casesi, casesi_jump): New.
 768         (jump_long): Removed.  Functionality merged into indirect_jump.
 769         (indirect_jump): Accept address_operand, not just register_operand.
 770         (cjump_long, icjump_long): Use same logic as indirect_jump.
 771         (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
 772         Fixed broken setjmp/longjmp handling.
 773         (do_builtin_setjmp_setup): Removed.
 774
 775         * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
 776         broken GNU as versions that don't accept .quad with large
 777         negative values.  Use hexadecimal output instead.
 778         (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
 779         (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
 780         FUNCTION_EPILOGUE): Removed.  Now in targetm.
 781
 782         * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
 783
 784         * config/s390/fixdfdi.h: Add missing copyright statement.
 785         Fix type conflicts on 64-bit.  Add missing SFmode routines.
 786
 787         * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
 788         email address.
 789
 790 2001-08-11  Richard Henderson  <rth@redhat.com>
 791
 792         * rtl.h (REG_EH_RETHROW): Remove.
 793         * rtl.c (reg_note_name): Update.
 794         * combine.c (distribute_notes): Don't check for it.
 795
 796 2001-08-11  Richard Henderson  <rth@redhat.com>
 797
 798         * combine.c (distribute_notes): Place REG_SETJMP.
 799
 800 2001-08-11  Richard Henderson  <rth@redhat.com>
 801
 802         * doc/extend.texi (Arrays and pointers implementation): Discourage
 803         relying on sign-extension of pointers.
 804
 805 2001-08-11  H.J. Lu <hjl@gnu.org>
 806
 807         * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
 808         in_dtors.
 809         (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
 810         RDATA_SECTION_ASM_OP.
 811
 812 2001-08-11  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 813
 814         * doc/install.texi (Specific, c4x): Fix cross-reference to the
 815         main manual to work both for info and HTML versions.
 816
 817 2001-08-11  Neil Booth  <neil@daikokuya.demon.co.uk>
 818             Matt Kraai <kraai@alumni.carnegiemellon.edu>
 819
 820         * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
 821         * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
 822         (struct cpp_pool): New member first.
 823         * cppinit.c (append_include_chain): Plug memory leaks.
 824         * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
 825         Allocate pragma structures from the (aligned) macro pool to
 826         avoid leaking memory.
 827         * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
 828         so we don't leak memory.
 829         * hashtable.c (ht_destroy): New.
 830         * hashtable.h (ht_destroy): New.
 831
 832 2001-08-11  Neil Booth  <neil@daikokuya.demon.co.uk>
 833             Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
 834
 835         * c-lex.c (map): Make const.
 836         (cb_file_change): Update for callback passing a line map.
 837         Don't assume we have a previous map.  Remove sanity check
 838         about popping too many files.
 839         * cpperror.c (print_location): Make map const.
 840         * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
 841         (cpp_make_system_header): Similarly.
 842         (search_from): Similarly.
 843         (_cpp_execute_include): Don't remember where we came from.
 844         * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
 845         (struct cpp_reader): Make map const.
 846         (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
 847         * cpplib.c (do_line): Update; line maps now hold sysp.
 848         (cpp_push_buffer): Similarly.
 849         (_cpp_do_file_change): Similarly; callback with map instead.
 850         (cpp_get_line_maps): Constify return value.
 851         (_cpp_pop_buffer): Update.
 852         * cpplib.h (struct cpp_file_change): Remove.
 853         (struct cpp_callbacks): Update.
 854         (cpp_get_line_maps): Constify return value.
 855         * cppmacro.c (_cpp_create_definition): Update.
 856         * cppmain.c (struct printer): Constify map.
 857         (maybe_print_line): Similarly.
 858         (print_line): Similarly.  Deduce flags 1 and 2 here.
 859         (cb_file_change): Update.
 860         * line-map.c (free_line_maps): Warn regardless.
 861         (add_line_map): Return pointer to const.  When passed NULL to_file
 862         with LC_LEAVE, use the obvious values for the return point so the
 863         caller doesn't have to figure them out.
 864         (lookup_line): Return pointer to const.
 865         (print_containing_files): Take pointer to const.
 866         * line-map.h (struct line_map): New members reason, sysp.
 867         (add_line_map): Return pointer to const.
 868         (lookup_line): Similarly.
 869         (print_containing_files): Take pointer to const.
 870
 871 2001-08-10  Roman Zippel  <zippel@linux-m68k.org>
 872             Richard Henderson  <rth@redhat.com>
 873
 874         * regmove.c (regmove_optimize): Avoid setting a register twice in
 875         a parallel set.
 876
 877 2001-08-10  Richard Henderson  <rth@redhat.com>
 878
 879         * doc/extend.texi (Arrays and pointers implementation): Document
 880         behavior of pointer/integer conversion.
 881
 882 2001-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
 883
 884         * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
 885
 886 2001-08-10  Richard Henderson  <rth@redhat.com>
 887
 888         * doc/extend.texi (C Implementation): New chapter.
 889         * doc/gcc.texi (Top): Link it in.
 890
 891 2001-08-10  Andrew Cagney  <ac131313@redhat.com>
 892
 893         * doc/install.texi (Specific): Fix CVS merge botch.
 894
 895 2001-08-10  Richard Henderson  <rth@redhat.com>
 896
 897         * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
 898         ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
 899
 900 2001-08-10  Zack Weinberg  <zackw@stanford.edu>
 901
 902         * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
 903         if not already defined.  Remove all #ifdefs on STACK_BOUNDARY;
 904         this macro is now required.
 905
 906         * cselib.c (cselib_process_insn), flow.c (propagate_block),
 907         loop.c (find_and_verify_loops), reload.c (reload): Check
 908         for rtx code of CALL_INSN, not CALL, when deciding if we
 909         need to check for REG_SETJMP note.
 910
 911         * gcse.c (compute_hash_table, compute_store_table): Update
 912         the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
 913         logic.
 914
 915         * config/avr/avr.c: Fix typo.
 916         * config/convex/convex.c (expand_movstr): Use adjust_address.
 917         * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
 918         variable.
 919         * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
 920         * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
 921         Fix typo.
 922         * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
 923         Do define STACK_BOUNDARY.
 924         * config/i370/i370.c: Include expr.h.
 925         * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
 926         config/pa/som.h, config/v850/v850.h: Take in_ctors and
 927         in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
 928         and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
 929         * config/m88k/m88k.c: Include c-tree.h after expr.h.
 930         * config/pdp11/pdp11.c: Include expr.h and toplev.h.
 931         * config/romp/romp.c: Include expr.h after tree.h.
 932         Include toplev.h.
 933         (output_fpop): Use xmalloc, not oballoc.
 934         * config/we32k/we32k.c: Include expr.h.
 935
 936 2001-08-10  Kazu Hirata  <kazu@hxi.com>
 937
 938         * config/h8300/h8300.h: Fix formatting.
 939
 940 2001-08-08  Jason Merrill  <jason_merrill@redhat.com>
 941
 942         * c-common.h (RETURN_NULLIFIED_P): Lose.
 943         * c-semantics.c (genrtl_return_stmt): Don't check it.
 944
 945 2001-08-10  Richard Sandiford  <rsandifo@redhat.com>
 946
 947         * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
 948         (mips_annotate_frame_insn): New function.
 949         (mips_emit_frame_related_store): New function.
 950         (save_restore_insns): Don't mark instructions that set up the base
 951         registers as frame-related.  Add REG_FRAME_RELATED_EXPR notes to
 952         the store instructions instead.
 953         (mips_expand_prologue): If the stack size is moved into a temporary
 954         register, do not mark that move as frame-related.  Add a
 955         REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
 956
 957 2001-08-10  Richard Sandiford  <rsandifo@redhat.com>
 958
 959         * config/mips/mips.c (save_restore_insns): Don't mark the RA's
 960         stack slot as unchanging if current_function_calls_eh_return.
 961
 962 2001-08-10  Richard Sandiford  <rsandifo@redhat.com>
 963
 964         * config/mips/mips.md (reload_outcc): Use HARD_REGNO_NREGS to
 965         access the second half of the TFmode scratch operand.
 966
 967 2001-08-10  Anthony Green  <green@redhat.com>
 968
 969         * java/class.c (emit_register_classes): Conditionalize code on
 970         JCR_SECTION_NAME.
 971
 972 2001-08-10  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 973
 974         * doc/install.texi (Specific, avr): Fix cross-reference to the
 975         main manual to work both for info and HTML versions.
 976
 977 2001-08-09  John David Anglin  <dave@hiauly1.hia.nrc.ca>
 978
 979         * stmt.c (expand_null_return_1): Remove code to generate simple returns
 980         and "use_goto" argument.
 981         (expand_null_return, expand_value_return): Update all callers.
 982         * function.c (expand_function_end): Remove code to generate simple
 983         return.
 984         * config/vax/vax.md (epilogue): New expander for function return.
 985         * doc/md.texi (epilogue): Remove "if defined".
 986
 987 2001-08-09  Zack Weinberg  <zackw@stanford.edu>
 988
 989         * Makefile.in: Partially revert my previous change:
 990         put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
 991         of the hashtab.o and safe-ctype.o rules.
 992
 993 2001-08-09  Richard Henderson  <rth@redhat.com>
 994
 995         * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
 996         (USE_COLLECT2): Remove duplicate definition.
 997         * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
 998         (use_collect2): Remove dead code.
 999         * configure.in (use_collect2): Remove will_use_collect2 and
1000         maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
1001         * configure: Rebuild.
1002
1003         * target.h (targetm.asm_out.constructor): New.
1004         (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
1005         * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
1006         (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
1007         * varasm.c (in_ctors, in_dtors): New.
1008         (assemble_constructor, assemble_destructor): Remove.
1009         (default_stabs_asm_out_destructor): New.
1010         (default_named_section_asm_out_destructor): New.
1011         (dtors_section, default_dtor_section_asm_out_destructor): New.
1012         (default_stabs_asm_out_constructor): New.
1013         (default_named_section_asm_out_constructor): New.
1014         (ctors_section, default_ctor_section_asm_out_constructor): New.
1015         * output.h: Update declarations.
1016         * c-decl.c (c_expand_body): Use target hooks instead of
1017         assemble_constructor and assemble_destructor.
1018         * profile.c (output_func_start_profiler): Likewise.
1019         * objc/objc-act.c (finish_objc): Likewise.
1020         (build_module_descriptor): Tidy.  Set TREE_PUBLIC properly
1021         for the constructor.
1022         * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
1023
1024         * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
1025         (DTORS_SECTION_ASM_OP): Likewise.
1026         (__CTOR_LIST__): Use attribute section when possible.
1027         (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
1028
1029         * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
1030         ASM_OUTPUT_CONSTRUCTOR.
1031
1032         * config/darwin.c (machopic_asm_out_constructor): New.
1033         (machopic_asm_out_destructor): New.
1034         * config/darwin-protos.h: Update declarations.
1035         * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1036         (ASM_OUTPUT_DESTRUCTOR): Remove.
1037         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
1038         * config/nextstep.c (nextstep_asm_out_constructor): New.
1039         (nextstep_asm_out_destructor): New.
1040         * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1041         (ASM_OUTPUT_DESTRUCTOR): Remove.
1042         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
1043         * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
1044         ASM_OUTPUT_*STRUCTOR.
1045         * config/i386/aix386ng.h: Likewise.
1046
1047         * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
1048         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
1049         (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
1050         (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
1051         * config/lynx.h: Likewise.
1052         * config/netware.h: Likewise.
1053         * config/psos.h: Likewise.
1054         * config/alpha/alpha-interix.h: Likewise.
1055         * config/alpha/elf.h: Likewise.
1056         * config/arc/arc.h: Likewise.
1057         * config/arm/aof.h: Likewise.
1058         * config/arm/coff.h: Likewise.
1059         * config/arm/elf.h: Likewise.
1060         * config/c4x/c4x.h: Likewise.
1061         * config/h8300/h8300.h: Likewise.
1062         * config/i386/cygwin.h: Likewise.
1063         * config/i386/djgpp.h: Likewise.
1064         * config/i386/i386-coff.h: Likewise.
1065         * config/i386/i386-interix.h: Likewise.
1066         * config/i386/sco5.h: Likewise.
1067         * config/i386/vsta.h: Likewise.
1068         * config/i386/win32.h: Likewise.
1069         * config/i960/i960-coff.h: Likewise.
1070         * config/ia64/sysv4.h: Likewise.
1071         * config/m68hc11/m68hc11.h: Likewise.
1072         * config/m68k/coff.h: Likewise.
1073         * config/m68k/mot3300.h: Likewise.
1074         * config/m88k/m88k.h: Likewise.
1075         * config/mcore/mcore-pe.h: Likewise.
1076         * config/mcore/mcore.h: Likewise.
1077         * config/mips/elf.h: Likewise.
1078         * config/mips/elf64.h: Likewise.
1079         * config/mips/iris6.h: Likewise.
1080         * config/pa/pa64-hpux.h: Likewise.
1081         * config/rs6000/sysv4.h: Likewise.
1082         * config/sh/sh.h: Likewise.
1083         * config/sparc/litecoff.h: Likewise.
1084
1085         * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
1086         (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
1087         (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
1088         * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1089         (ASM_OUTPUT_DESTRUCTOR): Remove.
1090         * config/a29k/a29k.c: Move include of tree.h.
1091         * config/a29k/udi.h: Delete file.
1092         * config/alpha/alpha.c (vms_asm_out_constructor): New.
1093         (vms_asm_out_destructor): New.
1094         * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
1095         (EXTRA_SECTION_FUNCTIONS): Likewise.
1096         (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
1097         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
1098         * config/c4x/c4x.c: Move include of tree.h.
1099         * config/clipper/clipper.c (clix_asm_out_constructor): New.
1100         (clix_asm_out_destructor): New.
1101         * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1102         (ASM_OUTPUT_DESTRUCTOR): Remove.
1103         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
1104         * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1105         (TARGET_ASM_CONSTRUCTOR): New.
1106         * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
1107         (sco_asm_out_constructor): New.
1108         * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
1109         * config/i386/svr3gas.h: Remove stack grows up code.
1110         Remove code duplicated from i386/sysv3.h.
1111         (TARGET_ASM_CONSTRUCTOR): New.
1112         (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
1113         (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
1114         * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1115         (TARGET_ASM_CONSTRUCTOR): New.
1116         * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
1117         (m68hc11_asm_out_destructor): New.
1118         * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
1119         (TARGET_ASM_DESTRUCTOR): New.
1120         * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
1121         * config/m68k/dpx2.h: Properly undef all the bits inherited from
1122         config/svr3.h pertaining to section manipulation.
1123         * config/m68k/dpx2g.h: Remove #if 0 code.
1124         * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
1125         * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
1126         (ASM_OUTPUT_CONSTRUCTOR): Remove.
1127         (TARGET_ASM_CONSTRUCTOR): New.
1128         * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
1129         (m88k_svr3_asm_out_constructor): New.
1130         (m88k_svr3_asm_out_destructor): New.
1131         * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1132         (ASM_OUTPUT_DESTRUCTOR): Remove.
1133         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
1134         * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
1135         * config/rs6000/aix.h: Likewise.
1136         * config/mips/rtems64.h: Don't undef removed constructor related bits.
1137         * config/mips/vxworks.h: Likewise.
1138         * config/rs6000/lynx.h: Likewise.
1139         * config/sh/elf.h: Likewise.
1140         * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
1141         (DTORS_SECTION_ASM_OP): New.
1142         * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1143         (ASM_OUTPUT_DESTRUCTOR): Remove.
1144         * config/sparc/sol2-sld-64.h: Likewise.
1145         * config/vax/vax.c (vms_asm_out_constructor): New.
1146         (vms_asm_out_destructor): New.
1147         * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1148         (ASM_OUTPUT_DESTRUCTOR): Remove.
1149         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
1150
1151         * doc/tm.texi (@node Initialization): Update.
1152
1153 2001-08-09  Richard Henderson  <rth@redhat.com>
1154
1155         * config/alpha/crtbegin.asm (__JCR_LIST__): New.
1156         (__do_global_dtors_aux): Use gp-relative static data to avoid
1157         one dynamic relocation.
1158         (__do_frame_setup): Register Java classes.
1159         * config/alpha/crtend.asm (__JCR_END__): New.
1160
1161 2001-08-09  Zack Weinberg  <zackw@stanford.edu>
1162
1163         * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
1164         (CONFIG_H, TCONFIG_H, TM_P_H): Update.
1165         (GEN, STAGESTUFF): Add new files.
1166         (insn-constants.h, s-constants, tm-preds.h, s-preds,
1167         genconstants, genpreds, genconstants.o, genpreds.o): New rules.
1168         (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
1169         * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
1170         as well as insn-codes.h and insn-flags.h in config.h; and no
1171         extra headers in tconfig.h and hconfig.h.
1172
1173         * gencodes.c: Eliminate code to generate predicate declarations
1174         or #defines for md-file constants.
1175         * genconstants.c, genpreds.c: New files.
1176
1177         * i386.md: Re-order guard expressions such that TARGET_64BIT
1178         comes first, when this permits better optimization.  Add
1179         TARGET_64BIT to more x86-64 patterns.  Add comment explaining
1180         why this is desirable.
1181
1182 2001-08-09  Jakub Jelinek  <jakub@redhat.com>
1183
1184         * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
1185         (find_fde_for_dso): Remove.
1186         (_Unwind_IteratePhdrCallback): New.
1187         (_Unwind_FindTableEntry): Use dl_iterate_phdr.
1188         * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
1189
1190 Thu Aug  9 11:30:20 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1191
1192         * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
1193         (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
1194
1195 2001-08-09  Graham Stott  <grahams@redhat.com>
1196
1197         * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
1198         (vis_no_unit): Use it.
1199         (visualize_no_unit): Add the insn only if room exists.
1200
1201 2001-08-09  Graham Stott  <grahams@redhat.com>
1202
1203         * predict.c (estimate_probability): Replace magic numbers with
1204         appropriate enumeration.
1205
1206 2001-08-09  Graham Stott  <grahams@redhat.com>
1207
1208         * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
1209         parameter.
1210         (EXTRACT_FLAGS): Likewise.
1211
1212 2001-08-09  Aldy Hernandez  <aldyh@redhat.com>
1213
1214         * config/mips/mips.c    (mips_legitimate_address_p): Check for
1215         CONST_INT in last patch.
1216
1217 2001-08-08  Anthony Green  <green@redhat.com>
1218
1219         * java/class.c (emit_register_classes): Use assemble_jcr if
1220         possible.  Keep the original mechanism as a fallback.
1221         * defaults.h (JCR_SECTION_NAME): Define if we have named section
1222         and weak symbol support.
1223         * crtstuff.c (__JCR_LIST__): Define.
1224         (__JCR_END__): Define.
1225         (_Jv_RegiserClasses): Define weak symbol if possible.
1226         (__do_global_ctors_aux): Register classes for ELF targets with
1227         weak symbol support.
1228
1229 2001-08-08  Kazu Hirata  <kazu@hxi.com>
1230
1231         * dbxout.c: Fix comment formatting.
1232         * dependence.c: Likewise.
1233         * df.c: Likewise.
1234         * diagnostic.c: Likewise.
1235         * dominance.c: Likewise.
1236         * doprint.c: Likewise.
1237         * dwarf2out.c: Likewise.
1238         * dwarfout.c: Likewise.
1239         * emit-rtl.c: Likewise.
1240         * except.c: Likewise.
1241         * explow.c: Likewise.
1242         * expmed.c: Likewise.
1243         * expr.c: Likewise.
1244         * flow.c: Likewise.
1245         * fold-const.c: Likewise.
1246         * function.c: Likewise.
1247
1248 2001-08-08  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
1249
1250         * global.c (retry_global_alloc): Avoid shadowing allocno.
1251
1252 2001-08-08  Mark Mitchell  <mark@codesourcery.com>
1253
1254         * except.c (remove_fixup_regions): Fix typo.
1255
1256 2001-08-08  Jan van Male <jan.vanmale@fenk.wau.nl>
1257
1258         * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
1259         unsigned HOST_WIDE_INT to avoid warning.
1260         * final.c (final): Cast INSN_UID to unsigned to avoid warning.
1261         * flow.c (set_block_for_new_insns): Likewise.
1262
1263 Wed Aug  8 21:08:14 CEST 2001  Jan Hubicka  <jh@suse.cz>
1264
1265         * sibcall.c (return_value_pseudo): New static variable.
1266         (skip_copy_to_return_value): Handle return_value_pseudo.
1267         (call_ends_block_p): Ensure that return_value_pseudo is set.
1268         (optimize_sibling_and_tail_recursive_call): Discover the
1269         load of pseudo return value in alternate exit block.
1270
1271 Wed Aug  8 21:06:43 CEST 2001  Jan Hubicka  <jh@suse.cz>
1272
1273         * calls.c (ECF_ALWAYS_RETURN): New constant.
1274         (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
1275         (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
1276         (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
1277         * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
1278         * rtl.c (reg_note_name): New name.
1279         * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
1280
1281 2001-08-07  Aldy Hernandez  <aldyh@redhat.com>
1282
1283         * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
1284
1285 2001-08-08  Jason Merrill  <jason_merrill@redhat.com>
1286
1287         * alias.c (get_alias_set): Return a previously calculated
1288         alias set for a VAR_DECL.
1289         * function.c (gen_mem_addressof): Calculate the alias set before
1290         touching the RTL.
1291
1292 Wed Aug  8 18:44:37 CEST 2001  Jan Hubicka  <jh@suse.cz>
1293
1294         * predict.def: Set hitrates according our experimental run.
1295
1296 Wed Aug  8 18:01:58 CEST 2001  Jan Hubicka  <jh@suse.cz>
1297
1298         * i386.h (HARD_REGNO_RENAME_OK): New macro.
1299
1300 2001-08-08  H.J. Lu <hjl@gnu.org>
1301
1302         * config/mips/mips.c (mips_unique_section): New. Copied from
1303         config/mips/elf.h.
1304
1305         * config/mips/mips-protos.h (mips_unique_section): New
1306         prototype.
1307
1308         * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
1309
1310         * config/mips/little.h: New. Generic little endian mips
1311         targets. Only mips*-*-linux* is converted to use it so far.
1312
1313         * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
1314         (WCHAR_TYPE): Defined
1315         (WCHAR_TYPE_SIZE): Likewise.
1316         (INIT_SUBTARGET_OPTABS): Likewise.
1317         (BSS_SECTION_ASM_OP): Likewise.
1318         (SBSS_SECTION_ASM_OP): Likewise.
1319         (ASM_OUTPUT_ALIGNED_BSS): Likewise.
1320         (ASM_DECLARE_OBJECT_NAME): Likewise.
1321         (UNIQUE_SECTION): Likewise.
1322         (EXTRA_SECTIONS): Likewise.
1323         (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1324         (ASM_OUTPUT_DESTRUCTOR): Likewise.
1325         (ASM_OUTPUT_DEF): Likewise.
1326         (HANDLE_SYSV_PRAGMA): Removed.
1327         (NO_IMPLICIT_EXTERN_C): Likewise.
1328         (TARGET_MEM_FUNCTIONS): Likewise.
1329         (STARTFILE_SPEC): Likewise.
1330         (ENDFILE_SPEC): Likewise.
1331         (LIB_SPEC): Likewise.
1332         (INVOKE__main): Likewise.
1333         (CTOR_LIST_BEGIN): Likewise.
1334         (CTOR_LIST_END): Likewise.
1335         (DTOR_LIST_BEGIN): Likewise.
1336         (DTOR_LIST_END): Likewise.
1337         (SET_ASM_OP): Likewise.
1338         (ASM_OUTPUT_SOURCE_LINE): Likewise.
1339         (ASM_OUTPUT_DEF): Likewise.
1340         (ASM_OUTPUT_IDENT): Likewise.
1341
1342         * config/mips/mips.h (ASM_SPEC): Undefine before define.
1343         (CPLUSPLUS_CPP_SPEC): Likewise.
1344         (ASM_APP_ON) Redefine only if not defined.
1345         (ASM_APP_OFF): Likewise.
1346         (ASM_OUTPUT_SOURCE_LINE): Likewise.
1347         (ASM_OUTPUT_IDENT): Likewise.
1348
1349         * config.gcc: Update tm_file for Linux/mips.
1350
1351 2001-08-08  Bernd Schmidt  <bernds@redhat.com>
1352
1353         * cselib.c (cselib_record_sets): If insn is predicated, turn
1354         sources into IF_THEN_ELSEs.
1355
1356         * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
1357         Turn into define_insn_and_split.
1358
1359         * sched-deps.c: Include "cselib.h".
1360         (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
1361         Use cselib to turn memory addresses into VALUEs.
1362         (sched_analyze): Call cselib_init/cselib_finish if necessary.
1363         * sched-int.h (struct sched_info): New member USE_CSELIB.
1364         * sched-ebb.c (ebb_sched_info): Initialize it.
1365         * sched-rgn.c (rgn_sched_info): Likewise.
1366         * Makefile.in (sched-deps.o): Update dependencies.
1367
1368         * cselib.h (cselib_subst_to_values): Declare.
1369         * cselib.c (cselib_subst_to_values): No longer static.  Allow MEMs
1370         that have no value and autoincs to be handled by generating a new
1371         dummy value.
1372
1373 2001-08-08  Graham Stott  <grahams@redhat.com>
1374
1375         * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
1376         within fixed length SEQUENCE.
1377
1378 2001-08-08  Graham Stott  <grahams@redhat.com>
1379
1380         * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
1381         (diagnostic_prefixing_rule): Likewise.
1382         (diagnostic_line_cutoff): Likewise.
1383         (diagnostic_kind_count): Likewise.
1384
1385 2001-08-08  Graham Stott  <grahams@redhat.com>
1386
1387         * alias.c (find_base_decl): Delete redundent assignment.
1388
1389 2001-08-08  Graham Stott  <grahams@redhat.com>
1390
1391         * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
1392         (abs): Uppercase and paranthesize macro parameter.
1393         (MEM_DEPENDENCY): Add whitespace.
1394
1395 2001-08-08  Graham Stott  <grahams@redhat.com>
1396
1397         * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
1398         failure check for CONST_INT
1399
1400 2001-08-08  Graham Stott  <grahams@redhat.com>
1401
1402         * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
1403         (libcall_dead_p): Likewise.
1404
1405         (mark_used_regs): Constify fmt.
1406         (find_use_as_address): Likewise.
1407
1408 2001-08-08  Graham Stott  <grahams@redhat.com>
1409
1410         * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
1411          parameter.
1412
1413 2001-08-08  Graham Stott  <grahams@redhat.com>
1414
1415         * combine.c (combine_simplify_rtx): Update comment and
1416         remove erroneous test.
1417
1418 2001-08-07  Neil Booth  <neil@daikokuya.demon.co.uk>
1419
1420         * cppinit.c (cpp_finish): Pop the final buffer without comment.
1421         * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
1422         take care to avoid multiple no-newline at EOF warnings in that
1423         case.
1424
1425 Tue Aug  7 22:18:06 CEST 2001  Jan Hubicka  <jh@suse.cz>
1426
1427         * calls.c (expand_call): Do not emit INSN_SETJMP note.
1428         (emit_library_call_value_1): Likewise.
1429         (emit_call_1): Emit REG_SETJMP note.
1430         * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
1431         of INSN_SETJMP
1432         * cselib.c (cselib_process_insn): Likewise.
1433         * flow.c (propagate_block): Likewise.
1434         * loop.c (find_and_verify_loops): Likewise.
1435         * reload.c (find_equiv_regs): Likewise.
1436         * reload1.c (reload): Likewise.
1437         * resource.c (mark_referenced_resources,
1438         mark_set_resources): Likewise.
1439         * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
1440         * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
1441         * haifa-sched.c (unlink_other_notes): Likewise.
1442         (reemit_notes): Likewise.
1443         * sched-ebb.c (sched_ebb): Likewise.
1444         * sched-rgc.c (sched_region): Likewise.
1445         * rtl.c (note_insn_name): Likewise.
1446         (reg_note_name): Add REG_SETJMP
1447         * rtl.h (reg_note): Add REG_SETJMP.
1448         (insn_note): Remove NOTE_INSN_SETJMP.
1449
1450         * profile.c (branch_prob): Add fake edges for setjmp.
1451
1452 2001-08-07  Daniel Jacobowitz  <drow@mvista.com>
1453
1454         * config.gcc: Quote target_cpu_default2 correctly for
1455         powerpc*-*-* targets.
1456
1457 2001-08-07  Neil Booth  <neil@daikokuya.demon.co.uk>
1458
1459         * cpplib.h, line-map.h: Update comments.
1460         * cppmain.c (printer_init): Move inline.
1461         (maybe_print_line, print_line): Take a map pointer.
1462         (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
1463         (cb_file_change): Don't use prior value of print.map.
1464
1465 2001-08-07  David Edelsohn  <edelsohn@gnu.org>
1466
1467         * doc/install.texi: Document fine-grained multilib configuration.
1468
1469 Tue Aug  7 16:52:54 CEST 2001  Jan Hubicka  <jh@suse.cz>
1470
1471         * rtlanal.c (find_first_parameter_load): Call note_stores
1472         only on the instructions.
1473
1474 Tue Aug  7 14:56:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
1475
1476         * alias.c (nonlocal_mentioned_p):
1477         Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
1478         * calls.c (emit_call_1): Likewise.
1479         * cse.c (cse_insn, invalidate_skipped_block): Likewise.
1480         * cselib.c (cselib_process_insn): Likewise.
1481         * df.c (df_insns_modify): Likewise.
1482         * flow.c (need_fake_edge_p): Likewise.
1483         (propagate_one_insn): Likewise.
1484         * haifa-sched.c (reemit_notes): Likewise.
1485         * integrate.c (copy_insn_list): Likewise.
1486         * jump.c (delete_prior_computation): Likewise.
1487         * local-alloc.c (validate_equiv_mem): Likewise.
1488         * loop.c (scan_loop): Likewise.
1489         * predict.c (estimate_probability): Likewise.
1490         * reload.c (reload): Likewise.
1491         * sched-deps (sched_analyze): Likewise.
1492         * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
1493         * gcse.c (compute_hash_table): Likewise.
1494         (mark_call): Likewise.
1495         (store_killed_in_insn): Likewise.
1496
1497 2001-08-07  Jason Merrill  <jason_merrill@redhat.com>
1498
1499         * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
1500
1501 2001-08-06  Richard Henderson  <rth@redhat.com>
1502
1503         * varasm.c (assemble_gc_entry): Remove.
1504         * output.h: Likewise.
1505
1506 2001-08-06  Richard Henderson  <rth@redhat.com>
1507
1508         * varasm.c (assemble_constructor): Take a symbol_ref and a
1509         priority instead of a bare string.  Move priority handling
1510         here from cp/decl2.c.
1511         * output.h: Update decls.
1512
1513         * c-decl.c (c_expand_body): Update calls to assemble_constructor
1514         and assemble_destructor.
1515         * profile.c (output_func_start_profiler): Likewise.
1516         * objc/objc-act.c (finish_objc): Likewise.
1517         (build_module_descriptor): Return the symbol not the symbol name.
1518
1519 2001-08-06  David Edelsohn  <edelsohn@gnu.org>
1520
1521         * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
1522         * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
1523         ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
1524         * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
1525         * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
1526         * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
1527
1528 2001-08-06  Neil Booth  <neil@daikokuya.demon.co.uk>
1529
1530         * cpperror.c (print_containing_files): Moved to line-map.c.
1531         (print_location): line-map.c handles re-listing or otherwise.
1532         * cpphash.h (struct lexer_state): Remove next_bol.
1533         (struct cpp_buffer): Remove include_stack_listed.
1534         * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
1535         Remove faked buffer handling.
1536         (_cpp_do_file_change): Tweak.
1537         * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
1538         * cppmain.c (struct printer): Remove filename.
1539         (print_line, cb_file_change): Update accordingly.
1540         * line-map.c: Include intl.h.
1541         (init_line_maps): Initialize last_listed.
1542         (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
1543         (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
1544         (print_containing_files): New.
1545         * line-map.h (struct line_maps): New member last_listed.
1546         (print_containing_files, INCLUDED_FROM): New.
1547         * Makefile.in: Update.
1548         * po/POTFILES.in: Add line-map.c.
1549
1550 2001-08-06  Richard Henderson  <rth@redhat.com>
1551
1552         * except.c (convert_from_eh_region_ranges_1): Never mark
1553         USE or CLOBBER insns as throwing.
1554
1555         * expr.c (store_constructor): Don't clobber memory targets.
1556
1557 2001-08-06  Andreas Jaeger  <aj@suse.de>
1558
1559         * profile.c (branch_prob): Remove unused variable insn.
1560
1561         * Makefile.in (local-alloc.o): Add dependency on except.h.
1562
1563         * local-alloc.c: Include except.h for can_throw_internal prototype.
1564
1565 2001-08-06  Richard Henderson  <rth@redhat.com>
1566
1567         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
1568         * function.c (expand_main_function): Implement it.
1569         * doc/tm.texi: Document it.
1570
1571 2001-08-06  Stan Shebs  <shebs@apple.com>
1572
1573         * doc/install.texi: Document powerpc-*-darwin* details.
1574
1575 2001-08-06  Daniel Berlin  <dan@cgsoftware.com>
1576
1577         * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
1578         (ASM_CPU_SPEC): Move back to rs6000.h
1579         #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
1580
1581         * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
1582
1583         * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
1584         readded.
1585
1586         * config/rs6000/linux64.h: Ditto.
1587
1588         * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
1589         to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
1590         nothing.
1591
1592         Remove accidently readded definitions of FUNCTION_PROLOGUE,
1593         FUNCTION_EPILOGUE,  ASM_OPEN_PAREN, ASM_CLOSE_PAREN
1594
1595         * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
1596         to rs6000.h
1597
1598 2001-08-05  Richard Henderson  <rth@redhat.com>
1599
1600         * local-alloc.c (update_equiv_regs): Do not move insns that
1601         can throw.
1602
1603 2001-08-05  Jan Hubicka  <jh@suse.cz>
1604
1605         * Makefile.in (reload1.o): Add dedendancy on except.h
1606         * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
1607         prototypes.
1608         * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
1609         indicating wehther edges has been cleaned up.
1610         * reload1.c: Inlucde except.h
1611         (fixup_abnormal_edges): Accept deleted insns.
1612         * toplev.c (rest_of_compilation): Purge dead edges unconditionally
1613         after combine.
1614
1615 2001-08-06  Neil Booth  <neil@daikokuya.demon.co.uk>
1616
1617         * cpplib.c (do_line): Correct line number after pop_buffer.
1618
1619 2001-08-05  Neil Booth  <neil@daikokuya.demon.co.uk>
1620
1621         PR preprocessor/3824
1622         * line-map.c: Update comments.
1623         * line-map.h: Update comments.
1624         * tradcif.y: Don't consider large numbers unsigned.
1625
1626 2001-08-05  Neil Booth  <neil@daikokuya.demon.co.uk>
1627
1628         PR preprocessor/3081
1629         * c-lex.c (map): New.
1630         (cb_file_change): Update map and use it.
1631         (cb_def_pragma, cb_define, cb_undef): Use map and line.
1632         (c_lex): Update to use map.
1633         * cpperror.c (print_location): Move to using logical line numbers.
1634         * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
1635         (cpp_make_system_header): Similarly.
1636         (_cpp_execute_include): Stop line numbering hacks.  Store the
1637         line we will return to.
1638         * cpphash.h (CPP_BUF_LINE): Remove.
1639         (struct cpp_buffer): Remove lineno and pseudo_newlines.
1640         Add map and return_to_line.
1641         (_cpp_do_file_change): Update.
1642         * cppinit.c (cpp_start_read): Update line kludge.
1643         * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
1644         (trigraph_ok): Use logical line numbers for diagnostics.
1645         (skip_block_comment): Likewise.
1646         (skip_whitespace): Likewise.
1647         (skip_line_comment): Use pfile->line instead.
1648         (_cpp_lex_token): Update to use logical line numbering exclusively.
1649         Handle BOL locally.  Accept new lines in directives, but keep
1650         pfile->line decremented.  Diagnostics use logical lines.  Update
1651         directive handling.
1652         * cpplib.c (SEEN_EOL): New.
1653         (skip_rest_of_line, check_eol): Use it.
1654         (end_directive): Increase line number when accepting the newline
1655         at the end of a directive.
1656         (run_directive): Simplify.
1657         (do_line): Bad LC_LEAVEs become LC_RENAMEs.  Update.
1658         (_cpp_do_file_change): Update to take buffer line number as an
1659         argument, and store the current map in the cpp_reader.  Remove
1660         line number kludges.
1661         (_cpp_do__Pragma): Restore output position after a _Pragma.
1662         (cpp_push_buffer): Don't set output line or lineno.
1663         (_cpp_pop_buffer): Transfer more info from a faked buffer.
1664         Remove line kludge.  Set output_line.
1665         * cppmacro.c (builtin_macro): Update handling of __LINE__.
1666         (parse_arg): Use logical lines.
1667         (save_lookahead_token): Save EOFs too now.
1668         * cppmain.c (struct printer): Fix comments.
1669         (printer_init): Simplify, let caller do errors.
1670         (scan_translation_unit, check_multiline_token, dump_macro): Update.
1671         (maybe_print_line): Simplify.
1672         (print_line): Don't print a linemarker if -P.
1673         (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
1674         (cb_file_change): Simplify.
1675         * line-map.h (LAST_SOURCE_LINE): Fix.
1676         (CURRENT_LINE_MAP): New.
1677
1678 2001-08-05  Bernd Schmidt  <bernds@redhat.com>
1679
1680         * doloop.c (doloop_modify_runtime): Properly compute number of
1681         iterations if loop was unrolled.
1682
1683         * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
1684         if their CSELIB_VAL_PTRs are.
1685
1686         * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
1687         (setup_spill_pointers): Initialize it.
1688         (spill_restore_mem): Set it.
1689         (do_spill, do_restore): Use it to add REG_INC note.
1690         * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
1691
1692         * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
1693         asms if other insns are available.
1694
1695         * config/ia64/ia64.c (condop_operator): New predicate.
1696         * config/ia64/ia64.h (PREDICATE_CODES): Add it.
1697         * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
1698         patterns.
1699
1700         * expr.c (expand_expr, case COND_EXPR): Prefer working with a
1701         temporary register than directly using a MEM.
1702
1703 2001-08-04  Hans-Peter Nilsson  <hp@bitrange.com>
1704
1705         * config/sh/sh.c (sh_asm_named_section): Fix typo in align
1706         parameter in last change.
1707
1708 2001-08-04  Zack Weinberg  <zackw@panix.com>
1709
1710         * sparc.md: Don't use #if inside C test expression.
1711
1712 2001-08-04  Richard Henderson  <rth@redhat.com>
1713
1714         * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
1715
1716 2001-08-04  Neil Booth  <neil@daikokuya.demon.co.uk>
1717
1718         * cpphash.h (struct cpp_reader): New member directive_line.
1719         * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
1720         * cpplib.c (do_define, do_undef, do_ident, do_include_common,
1721         do_pragma): Pass line to callbacks.
1722         (start_directive): Record line of directive.
1723         * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
1724         cb_include): Similarly.
1725         * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
1726         Similarly.
1727
1728 2001-08-04  Hans-Peter Nilsson  <hp@bitrange.com>
1729
1730         * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
1731         comment.
1732
1733 Sat Aug  4 13:51:36 CEST 2001  Jan Hubicka  <jh@suse.cz>
1734
1735         * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
1736
1737         * reload1.c (fixup_abnormal_edges): New static function.
1738         (reload): Use it.
1739
1740         * flow.c (need_fake_edge_p): New function.
1741         (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
1742         avoid call insn to be very last insn in the insn stream.
1743
1744         * profile.c (branch_prob): Call flow_call_edges_add instead of
1745         doing that by hand; cleanup cfg to re-merge basic blocks once
1746         we are done.
1747
1748 2001-08-04  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
1749
1750         * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
1751         are also on line-map.h.
1752         * cppfiles.c (stack_include_file): Update.
1753         * cpphash.h (struct cpp_buffer): New member return_at_eof.
1754         (_cpp_pop_buffer): New.
1755         * cppinit.c (cpp_destroy, cpp_finish): Update.
1756         (do_includes): Mark each buffer to return at EOF.
1757         * cpplex.c (_cpp_lex_token): Pop buffers at EOF.  Continue or
1758         return as requested.
1759         * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
1760         (cpp_pop_buffer): Rename _cpp_pop_buffer.  Stop skipping.
1761         * cpplib.h (cpp_pop_buffer): Remove.
1762         (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
1763         * cppmacro.c (cpp_scan_buffer_nooutput): Similarly.  No need to pop
1764         buffers.
1765         * cppmain.c (scan_buffer): Rename scan_translation_unit.  No need
1766         to pop buffers.
1767         (do_preprocessing): Update.
1768         * fix-header.c (read_scan_file): Update.  No need to pop buffers.
1769         * c-parse.in (_yylex): Similarly.
1770         * scan-decls.c (scan_decls): Similarly.
1771         * line-map.h: Update comments.
1772
1773         * objc/Make-lang.in (objc-act.o): Update dependencies.
1774
1775 2001-08-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
1776
1777         * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
1778         and soft register for operand 0.
1779         ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
1780
1781 2001-08-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
1782
1783         * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
1784         register for operand 0.
1785         ("bitcmpqi_z_used"): Allow memory for operand 0.
1786         (split "bitcmpqi"): New split to handle address reg as operand 1.
1787
1788 2001-08-04  Andreas Jaeger  <aj@suse.de>
1789
1790         * gcse.c: Revert Daniel's last patch.
1791
1792 2001-08-03  Zack Weinberg  <zackw@stanford.edu>
1793
1794         * sparc-protos.h: Add prototypes for fp_zero_operand and
1795         reg_or_0_operand.
1796         * sh-protos.h: Add prototype for fpul_operand.
1797
1798 2001-08-04  Hans-Peter Nilsson  <hp@bitrange.com>
1799
1800         * doc/extend.texi (Other Builtins): Fix typo in last change.
1801
1802 2001-08-03  Richard Henderson  <rth@redhat.com>
1803
1804         * target.h (gcc_target): Add asm_out.named_section,
1805         section_type_flags, have_named_sections.
1806         * target-def.h (TARGET_ASM_NAMED_SECTION): New.
1807         (TARGET_HAVE_NAMED_SECTIONS): New.
1808         (TARGET_SECTION_TYPE_FLAGS): New.
1809
1810         * Makefile.in (toplev.o): Depend on TARGET_H.
1811         (varasm.o, dbxout.o): Likewise.
1812         * c-common.c (decl_attributes): Check targetm.have_named_sections
1813         instead of ifdef ASM_OUTPUT_SECTION_NAME.
1814         * dbxout.c (dbxout_function_decl): Likewise.
1815         (dbxout_function_end): Likewise.
1816         * toplev.c (compile_file): Likewise.
1817         * varasm.c (exception_section): Likewise.
1818         * cp/decl2.c (finish_objects): Likewise.
1819
1820         * defaults.h (EH_FRAME_SECTION): Remove.
1821         (EH_FRAME_SECTION_ASM_OP): Remove.
1822         (EH_FRAME_SECTION_NAME): New.
1823         (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
1824         (UNIQUE_SECTION_P): Remove.
1825         * dwarf2out.c (SECTION_FORMAT): Remove.
1826         (ASM_OUTPUT_SECTION): Remove.
1827         (output_call_frame_info): Use named_section_flags.
1828         (output_comp_unit, dwarf2out_start_source_file): Likewise.
1829         (dwarf2out_end_source_file, dwarf2out_define): Likewise.
1830         (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
1831         * varasm.c (in_eh_frame, eh_frame_section): Remove.
1832         (named_section_flags): New.
1833         (named_section): Use it and targetm.section_type_flags.
1834         (resolve_unique_section): New.
1835         (assemble_start_function): Use it.
1836         (asm_emit_uninitialised, assemble_variable): Likewise.
1837         (default_section_type_flags): New.
1838         (default_no_named_section, default_elf_asm_named_section): New.
1839         (default_coff_asm_named_section, default_pe_asm_named_section): New.
1840         * output.h: Update varasm.c decls.
1841         (SECTION_*): New flags.
1842
1843         * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
1844         (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
1845
1846         * config/elfos.h (UNIQUE_SECTION_P): Remove.
1847         * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
1848         * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
1849         * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
1850         * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
1851         * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
1852         * config/mips/elf.h, config/mips/elf64.h: Likewise.
1853         * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
1854         * config/pa/pa64-hpux.h,
1855
1856         * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
1857         (TARGET_ASM_NAMED_SECTION): New.
1858         * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
1859         * config/alpha/vms.h, config/arm/coff.h: Likewise.
1860         * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
1861         * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
1862         * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
1863         * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
1864         * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
1865         * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
1866         * config/i386/sco5.h, config/i386/win32.h: Likewise.
1867         * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
1868         * config/mcore/mcore.h, config/mips/elf.h: Likewise.
1869         * config/mips/elf64.h, config/mips/iris6.h: Likewise.
1870         * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
1871         * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
1872         * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
1873         * config/sparc/sysv4.h: Likewise.
1874
1875         * config/nextstep.h: Error until named sections implemented.
1876
1877         * config/a29k/a29k.c (a29k_asm_named_section): New.
1878         * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
1879         (vms_section_type_flags, vms_asm_named_section): New.
1880         * config/arm/arm.c (arm_elf_asm_named_section): New.
1881         * config/avr/avr.c (asm_output_section_name): Remove.
1882         * config/avr/avr-protos.h: Update.
1883         * config/c4x/c4x.c (c4x_asm_named_section): New.
1884         * config/h8300/h8300.c (h8300_asm_named_section): New.
1885         * config/i386/i386.c (sco_asm_named_section): New.
1886         * config/i386/winnt.c (SECTION_PE_SHARED): New.
1887         (i386_pe_section_type_flags): New.
1888         (i386_pe_asm_named_section): New.
1889         * config/i386/i386-protos.h: Update.
1890         * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
1891         * config/mcore/mcore.c (mcore_asm_named_section): New.
1892         * config/mips/mips.c (iris6_asm_named_section): New.
1893         * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
1894         instead of UNIQUE_SECTION_P.
1895         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
1896         (xcoff_asm_named_section): New.
1897         * config/sh/sh.c (sh_asm_named_section): New.
1898         * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
1899
1900         * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
1901         * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
1902         (EH_FRAME_SECTION_NAME): New.
1903         (EXCEPTION_SECTION): New.
1904         * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
1905         (DEBUG_*_SECTION): Remove.
1906         * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
1907         * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
1908         (EH_FRAME_SECTION_ASM_OP): Remove.
1909
1910         * doc/tm.texi (UNIQUE_SECTION_P): Remove.
1911         (ASM_OUTPUT_SECTION_NAME): Remove.
1912         (TARGET_ASM_NAMED_SECTION): New.
1913         (TARGET_HAVE_NAMED_SECTIONS): New.
1914         (TARGET_SECTION_TYPE_FLAGS): New.
1915         (EH_FRAME_SECTION_ASM_OP): Remove.
1916         (EH_FRAME_SECTION_NAME): New.
1917
1918 2001-08-03  Zack Weinberg  <zackw@stanford.edu>
1919
1920         * builtins.c (fold_builtin_constant_p): Return integer_zero_node
1921         for complex expressions when cfun == 0.
1922         * doc/extend.texi: Document that __builtin_constant_p can be
1923         used in data initializers as well as functions.
1924
1925 2001-08-03  Alexandre Oliva  <aoliva@redhat.com>
1926
1927         * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
1928         variable I locally, instead of expecting a declaration in the
1929         calling context.
1930
1931 2001-08-03  Richard Henderson  <rth@redhat.com>
1932
1933         * except.c (collect_one_action_chain): Add an explicit cleanup
1934         action if regions surrounding a catch were encoded entirely
1935         within the call-site entry.
1936
1937 2001-08-03  Richard Henderson  <rth@redhat.com>
1938
1939         * dbxout.c (dbxout_symbol_location): Flatten subregs first;
1940         don't take REGNO of a non-register.
1941
1942 2001-08-03  John David Anglin  <dave@hiauly1.hia.nrc.ca>
1943
1944         * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
1945         __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
1946         (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
1947         (__gthread_mutex_init_function): New function for mutex initialization.
1948
1949 2001-08-03  Daniel Berlin  <dan@cgsoftware.com>
1950
1951         * Makefile.in: Revert screwed up commit.
1952
1953 2001-08-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
1954
1955         * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
1956         * config/m68hc11/larith.asm (_exit): Split in several sub-sections
1957         merged by linker script to get a final _exit().
1958         (__do_global_dtors): New for destructor handling in specific exit
1959         section.
1960         (__do_global_ctors): New for constructors in specific install section.
1961         (__map_data_section): Map data sections before running constructors.
1962         * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
1963         (CTORS_SECTION_ASM_OP): Define to put in readonly section.
1964         (DTORS_SECTION_ASM_OP): Likewise.
1965         (CTORS_SECTION_FUNCTION): Define to force a reference to
1966         __do_global_ctors.
1967         (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
1968
1969 2001-08-03  Daniel Berlin  <dan@cgsoftware.com>
1970
1971         * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
1972
1973         * Makefile.in: Add df.h to gcse.c dependencies.
1974
1975 2001-08-03  John David Anglin  <dave@hiauly1.hia.nrc.ca>
1976
1977         * varasm.c (output_constant_def_contents): Use for the length of a
1978         string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
1979         depending on which is larger.
1980
1981 2001-08-03  Daniel Berlin  <dan@cgsoftware.com>
1982
1983         * gcse.c: Include df.h for use as a dataflow analyzer.
1984         Remove regvec.
1985         Declaration of reg_set_info: gone.
1986         New df_analyzer variable used by store motion.
1987         (reg_set_info): Deleted.
1988         (mark_mem_regs): New function, analyze regs used by a mem.
1989         (store_ops_ok): Use dataflow analyzer results to determine if
1990         necessary regs are changed in the block.
1991         (find_moveable_store): Remove check for symbol ref, we can handle
1992         much more complex expressions now.
1993         (compute_store_table): Remove most of the code, it's unnecessary
1994         now that the dataflow analyzer records the info for us.
1995         (store_killed_after): Add parameter to say whether to do the
1996         store_ops_okay test, used to speed up testing when we already know
1997         the answer, and just want to know if the store itself was killed.
1998         (build_store_vector): Largely rewritten to calculate the various
1999         vectors properly, and somewhat optimized.
2000         (store_motion): Init the df_analyzer, get REG_DEF chains.
2001         Also handle trapping expressions (since mems almost always trap)
2002         (simple_mem): Redefine what a simple mem is.
2003
2004 2001-08-03  DJ Delorie  <dj@redhat.com>
2005
2006         * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
2007         set from a constant part of the condition.
2008
2009 2001-08-01  Andrew Cagney  <ac131313@redhat.com>
2010
2011         * mkdeps.c (deps_add_default_target): Make local variable
2012         ``start'' a const char pointer.
2013         * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
2014
2015 2001-08-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2016
2017         * doc/install.texi (Configuration): Fix markup.
2018         (Specific, i?86-*-udk): Likewise.
2019         (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
2020         --with-gnu-ld.
2021         Document --enable-threads and --enable-libgcj status.
2022         (Specific, mips-sgi-irix*): Canonicalize triples.
2023         (Specific, mips-sgi-irix5): Warn about problems with this config.
2024         Mention required GNU as patch.
2025         Native assembler problems are fixed.
2026         (Specific, mips-sgi-irix6): Update O32 ABI support status.
2027         Document --enable-threads and --enable-libgcj status.
2028
2029 2001-08-02  Nick Clifton  <nickc@cambridge.redhat.com>
2030
2031         * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
2032         of mkinstalldirs.
2033
2034 2001-08-03  Richard Henderson  <rth@redhat.com>
2035
2036         * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
2037         constant data.
2038
2039 2001-08-03  Richard Henderson  <rth@redhat.com>
2040
2041         * rtlanal.c (find_first_parameter_load): Stop if we
2042         reach a CODE_LABEL at BOUNDARY.
2043
2044 2001-08-03  Richard Henderson  <rth@redhat.com>
2045
2046         * config/alpha/alpha.md (force_movdi): New insn.
2047         * config/alpha/alpha.c (alpha_expand_prologue): Use it.
2048         Tweek FRP marking of VMS prologue insns.
2049         * config/alpha/vms.h (EPILOGUE_USES): New.
2050
2051 2001-08-02  Richard Henderson  <rth@redhat.com>
2052
2053         * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
2054
2055 2001-08-02  Lars Brinkhoff  <lars@nocrew.org>
2056
2057         * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
2058         simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
2059         config/convex/convex.h, config/d30v/d30v.c,
2060         config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
2061         config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
2062         config/mips/mips.h, config/mn10200/mn10200.h,
2063         config/mn10300/mn10300.h, config/pdp11/pdp11.md,
2064         config/v850/v850.h, config/vax/openbsd.h,
2065         config/vax/openbsd1.h, config/vax/ultrix.h,
2066         config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
2067         config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
2068         cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
2069         doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
2070         doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
2071         in comments and documentation.
2072
2073 2001-08-03  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
2074
2075         * line-map.c: New.
2076         * line-map.h: New.
2077         * Makefile.in (line-map.o): New.
2078         (LIBCPP_OBJS, LIBCPP_DEPS): Update.
2079         * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
2080         * cpperror.c (print_containing_files): Similarly.
2081         (print_location): Update.  Don't output a space before _Pragma.
2082         * cppfiles.c (stack_include_file): Set to line 1 immediately.
2083         (stack_include_filee, cpp_make_system_header): Update.
2084         (_cpp_execute_include): Get logical line number right for calling
2085         as-yet-unterminated #include.
2086         * cpphash.h (struct cpp_reader): Add line_maps.
2087         (_cpp_do_file_change): Update.
2088         * cppinit.c (cpp_create_reader): Initialize line maps.
2089         (cpp_destroy): Destroy line maps.
2090         (cpp_start_read): Get logical line number right.
2091         * cpplex.c (parse_string): Only warn once for multi-line strings.
2092         Use boolean variable for null warning.
2093         * cpplib.c (_cpp_handle_directive): End the directive if it isn't
2094         already.
2095         (do_include_common): End the directive early.
2096         (do_line): Don't warn about out-of-range lines in preprocessed
2097         source.  Update.  Remove unused variables.
2098         (_cpp_do_file_change): Update for new line mapping.
2099         (pragma_cb): New typedef.
2100         (cpp_register_pragma): Stop looking ahead before calling the
2101         handler.  Clean up.
2102         (do_pragma_system_header): End directive early.
2103         (cpp_get_line_maps): New.
2104         (cpp_pop_buffer): Fudge logical line.  Update.
2105         * cpplib.h: Include line-map.h
2106         (enum cpp_fc_reason): Remove.
2107         (struct cpp_file_change): Update.
2108         (cpp_get_line_maps): New.
2109         * cppmain.c (struct_printer): New member map.
2110         (cb_file_change): Update for new mappings.
2111         * fix-header.c (cb_file_change): Similarly.
2112
2113 2001-08-02  Nick Clifton  <nickc@cambridge.redhat.com>
2114
2115         * Makefile.in (libgcc.mk): Define mkinstalldirs.
2116         * mklibgcc.in: Use mkinstalldirs instead of mkdir.
2117
2118 2001-08-02  Lars Brinkhoff  <lars@nocrew.org>
2119
2120         * config/vax/vax.c: include expr.h.
2121
2122 2001-08-02  Nick Clifton  <nickc@cambridge.redhat.com>
2123
2124         * Makefile.in ($(srcdir)/configure): Only rebuild in
2125         maintainer mode.
2126         ($(srcdir)/config.in): Only define in maintainer mode.
2127         ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
2128
2129 2001-08-02  David Edelsohn  <edelsohn@gnu.org>
2130
2131         * doc/install.texi (Install GCC: Binaries): Update Bull info.
2132
2133 2001-08-02  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2134
2135         * gcc.c (set_collect_gcc_options): New function, split out from
2136         main.
2137         Ignore elided switches.
2138         (do_spec_1): Invoke before executing command.
2139         (set_input): Export.
2140         Move declaration ...
2141         * gcc.h (set_input): ... here.
2142         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
2143         file.
2144
2145 2001-08-02  Nathan Sidwell  <nathan@codesourcery.com>
2146
2147         Kill -fhonor-std.
2148         * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
2149         interaction.
2150         * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
2151
2152 2001-08-02  Richard Sandiford  <rsandifo@redhat.com>
2153
2154         * mips.md (movdicc): Make conditional on TARGET_64BIT.  Likewise
2155         for the unnamed instructions it expands to.
2156
2157 2001-08-02  Richard Henderson  <rth@redhat.com>
2158
2159         * regclass.c (call_really_used_regs): Conditionally define.
2160         (init_reg_sets_1): Don't use it if not defined.
2161         (fix_register): Similarly, don't set it.
2162
2163 2001-08-01  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
2164
2165         * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
2166         Correct comment that had been missed in the previous change.
2167
2168 2001-08-01  Stan Shebs  <shebs@apple.com>
2169
2170         * config/darwin.c (machopic_stub_name): Try matching by name.
2171         (update_stubs): New function.
2172         (darwin_encode_section_info):  Call it and update_non_lazy_ptrs
2173         unconditionally.
2174
2175 2001-08-01  Richard Henderson  <rth@redhat.com>
2176
2177         * except.c (output_function_exception_table): Use assemble_align.
2178         * varasm.c (assemble_eh_label): Remove.
2179         (assemble_eh_align, assemble_eh_integer): Remove.
2180
2181 2001-08-01  Robert Lipe  <robertl@caldera.com>
2182
2183         * dwarfout.c: Remove reference to README.DWARF.
2184
2185 2001-08-01  Andrew MacLeod  <amacleod@redhat.com>
2186
2187         * regclass.c (call_really_used_regs): New array for registers which
2188         are actually used by a call.
2189         (init_reg_sets_1): Initialize regs_invalidated_by_call with the
2190         new array.
2191         (fix_register): Set call_really_used too.
2192         * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
2193         * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
2194
2195 2001-08-01  Richard Henderson  <rth@redhat.com>
2196
2197         * read-rtl.c (read_name): Consider \r whitespace.
2198
2199 2001-07-11  Andrew Cagney  <ac131313@redhat.com>
2200
2201         * config.gcc: Recognize powerpc-*-netbsd*.
2202
2203         * doc/install.texi (Host/target specific installation notes for
2204         GCC): Mention powerpc-*-netbsd*.
2205
2206         * config/rs6000/netbsd.h: New file.
2207         (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
2208         (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
2209         (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
2210         (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
2211         (TARGET_VERSION): Redefine.
2212
2213         * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
2214         mcall-netbsd as a match for mcall-sysv.
2215         (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
2216         (ncrti.S, ncrtn.S): New targets.
2217         ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
2218
2219         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
2220         "netbsd' as a V4 ABI.
2221         (ASM_SPEC): Check for -mcall-netbsd.
2222         (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
2223         (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
2224         (LIB_SPEC, ENDFILE_SPEC): Ditto.
2225         (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
2226         (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
2227         (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
2228         (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
2229
2230         * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
2231         (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
2232
2233 2001-08-01  Mark Kettenis  <kettenis@gnu.org>
2234
2235         * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
2236         only if NO_BASE_OF_ENCODED_VALUE isn't defined.
2237         * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
2238         including "unwind-pe.h".
2239
2240 Wed Aug  1 20:01:42 CEST 2001  Jan Hubicka  <jh@suse.cz>
2241
2242         * rs6000.md (define_splits): Kill unused constraints.
2243
2244 Wed Aug  1 20:02:12 CEST 2001 Graham Stott  <grahams@redhat.com>
2245                               Jan Hubicka  <jh@suse.cz>
2246
2247         * function.c (thread_prologue_and_epilogue_insns): Kill code
2248         dealing with non-existent CFG.
2249
2250 2001-08-01  Kazu Hirata  <kazu@hxi.com>
2251
2252         * alias.c: Fix comment formatting.
2253         * bitmap.c: Likewise.
2254         * builtins.c: Likewise.
2255         * calls.c: Likewise.
2256         * c-common.c: Likewise.
2257         * c-decl.c: Likewise.
2258         * c-dump.c: Likewise.
2259         * c-lex.c: Likewise.
2260         * collect2.c: Likewise.
2261         * combine.c: Likewise.
2262         * conflict.c: Likewise.
2263         * cppfiles.c: Likewise.
2264         * cppinit.c: Likewise.
2265         * cpplex.c: Likewise.
2266         * cpplib.c: Likewise.
2267         * cppmacro.c: Likewise.
2268         * cppspec.c: Likewise.
2269         * c-pragma.c: Likewise.
2270         * crtstuff.c: Likewise.
2271         * cse.c: Likewise.
2272         * cselib.c: Likewise.
2273         * c-semantics.c: Likewise.
2274         * c-typeck.c: Likewise.
2275
2276 2001-08-01  H.J. Lu <hjl@gnu.org>
2277
2278         * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
2279
2280 2001-08-01  H.J. Lu <hjl@gnu.org>
2281
2282         * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
2283
2284 2001-08-01  Ziemowit Laski  <zlaski@apple.com>
2285
2286         * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
2287         contextualizing Objective-C class name lookup by the lexer.
2288         (typespec_reserved_nonattr): Disable ObjC class name lookup after
2289         seeing a TYPESPEC.
2290         (protocoldef): Add support for forward @protocol declarations.
2291         (yylexname): Suppress ObjC class name lookup in certain contexts;
2292         re-enable after lookup is complete.
2293         (_yylex): Re-enable ObjC class name lookup when certain
2294         punctuation marks are seen.
2295
2296         * objc/objc-act.c (check_protocol_recursively): New function used
2297         for finding circular dependencies in protocols.
2298         (objc_declare_protocols): New function for handling forward
2299         @protocol declarations.
2300         (receiver_is_class_object): Detect the case when 'self' is used
2301         inside of a class method.
2302         (build_message_expr): Issue a warning if class method is desired
2303         but instance method is found instead.
2304         (conforms_to_protocol): Streamline.
2305         (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
2306         protocol Foo, even if 'Bar foo' does not.
2307         (check_protocols): Streamline.
2308         (start_protocol): Add checks for circular and duplicate protocol
2309         definitions.
2310         (encode_aggregate_within): For typedefs of structs, encode the
2311         underlying struct.
2312         * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
2313         (objc_declare_protocols): New prototype.
2314
2315 2001-08-01  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
2316
2317         * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
2318         * cpplex.c (handle_newline): Update prototype.  Maintain logical
2319         line number.
2320         (skip_escaped_newlines, skip_block_comment, parse_string):
2321         Update accordingly.
2322         (_cpp_lex_token): Update, and store token position within the token.
2323         * cpplib.h (struct cpp_token): Add line and column entries.
2324         * cppmacro.c (replace_args): Position stringified tokens correctly.
2325
2326 2001-08-01  Andreas Jaeger  <aj@suse.de>
2327
2328         * basic-block.h: Add prototype for last_loop_beg_note.
2329
2330 2001-07-31  Alexandre Petit-Bianco  <apbianco@redhat.com>
2331
2332         * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
2333         RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
2334         comment.
2335         (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
2336         while handling WITH_CLEANUP_EXPR node. Use second operand calling
2337         expand_decl_cleanup.
2338         * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
2339         the first RTX.
2340         (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
2341         operand while calling simple_cst_equal.
2342         * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
2343         operand is the cleanup expression, the third is the RTL_EXPR.
2344         * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
2345
2346 2001-07-31  Jeff Sturm  <jsturm@one-point.com>
2347
2348         * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
2349
2350 2001-07-31  matthew green  <mrg@eterna.com.au>
2351
2352         * config.gcc (i386-*-netbsdelf): New description.
2353         * config/i386/netbsd-elf.h: New file.
2354
2355 2001-07-30  Geoffrey Keating  <geoffk@redhat.com>
2356
2357         * loop.c (check_dbra_loop): Use single_set to compute
2358         jump_label.
2359
2360 2001-07-31  Daniel Berlin  <dan@cgsoftware.com>
2361
2362         PowerPC reorg and support for powerpc64-*-linux*.
2363
2364         Also fixes emitting of constants on 32 bit and 64 bit
2365         platforms.
2366
2367         * config.gcc: powerpc64-*-linux* is a new target.
2368         Things that needed aix.h now also include xcoff.h
2369
2370         * config/rs6000/rs6000.h: Split XCOFF specific stuff into
2371         xcoff.h.
2372         Move AIX specific stuff into aix.h.
2373         (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
2374         with more than just XCOFF now.
2375         (SET_ASM_OP): Remove, now defined where needed.
2376         (FUNCTION_PROLOGUE): New macro definition.
2377         (FUNCTION_EPILOGUE): New macro definition.
2378         (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
2379
2380         * config/rs6000/xcoff.h: New file.
2381
2382         * config/rs6000/linux64.h: New file.
2383
2384         * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
2385
2386 2001-07-31  Alan Modra  <amodra@bigpond.net.au>
2387
2388         * rs6000.c (print_operand_address): Handle ELF syntax.
2389         (output_toc): Simplify.  Use DOUBLE_INT_ASM_OP.
2390         * rs6000.md (load_toc_aix_di): Handle ELF syntax.
2391         * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
2392
2393 2001-07-31  David Edelsohn  <edelsohn@gnu.org>
2394
2395         * rs6000.c (rs6000_override_options): Only disable
2396         flag_function_sections for XCOFF.
2397         (exact_log2_cint_operand): New predicate.
2398         (reg_or_{add,sub}_cint64_operand): New predicates.
2399         (add_operand): Compare CONST_INT with fewer function calls.
2400         (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
2401         (print_operand, case 'p'): Ensure positive operand.
2402         (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
2403         * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
2404         (PREDICATE_CODES): Add new predicates.
2405         * rs6000.md (addsi3): Split 32-bit constants more correctly.
2406         (divsi3, modsi3): Ensure positive power-of-2.
2407         (adddi3): Use new predicate.  Split 32-bit constants more
2408         correctly.  Re-arrange splitter to handle any constant.
2409         (subdi3): Use new predicate.
2410         (divdi3, moddi3): Ensure positive power-of-2.
2411         (movdi): Use rs6000_emit_set_const.
2412         (load_toc_v4_pic_di): Delete.
2413
2414 2001-07-31  Graham Stott <grahams@redhat.com>
2415
2416         * function.c (pad_below): Revert 2001-07-26 patch.
2417
2418 Tue Jul 31 15:37:35 CEST 2001  Jan Hubicka  <jh@suse.cz>
2419
2420         * reg-stack (convert_regs_1): Fix best edge condition.
2421
2422 Tue Jul 31 15:33:27 CEST 2001  Jan Hubicka  <jh@suse.cz>
2423
2424         * jump.c (duplicate_loop_exit_test): Better test for jumps
2425         entering the loop; create loop pre_header.
2426
2427 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
2428
2429         * doc/install.texi: Add s390 and s390x as new targets.
2430         * doc/invoke.texi: Add documantation of S/390 and zSeries
2431         target options.
2432         * doc/md.texi: Add documantation of S/390 and zSeries constraints.
2433
2434 2001-07-30  Roman Zippel  <zippel@linux-m68k.org>
2435
2436         * config/m68k/m68k.md: Replace all general_operand with
2437         nonimmediate_operand for all destinations.
2438         * config/m68k/m68k.c (not_sp_operand): Likewise.
2439
2440 Mon Jul 30 23:20:34 EDT 2001  John Wehle  (john@feith.com)
2441
2442         * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
2443
2444 2001-07-30  Richard Henderson  <rth@redhat.com>
2445
2446         * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
2447         * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
2448
2449 2001-07-30  Roman Zippel  <zippel@linux-m68k.org>
2450
2451         * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
2452         Add missing doc strings
2453         * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
2454         * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
2455
2456 Mon Jul 30 22:16:08 CEST 2001  Jan Hubicka  <jh@suse.cz>
2457
2458         * i386.c (ix86_output_main_function_alignment_hack): New function.
2459         (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
2460
2461         * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
2462         edges by EDGE_DFS_BACK flag.
2463         (dump_edge_info): Add dfs_back flag.
2464         * basic-block.h (EDGE_DFS_BACK): New constant.
2465         (mark_dfs_back_edges): Declare.
2466         * alias.c (loop_p): Remove.
2467         (mark_constant_function): Use mark_dfs_back_edges.
2468
2469         * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
2470         (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
2471         (compensate_edge): Break out from ...
2472         (convert_regs_1): ... here; do smart choosing of stack_out to copy.
2473         (convert_regs_2): Set block_done once block is really done;
2474         Do updating of the predecesors counts.
2475
2476         * toplev.c (rest_of_compilation): Recompute block_for_insn
2477         before post-reload cfg_cleanup.
2478         * function.c (thread_prologue_epilogue_insns):
2479         Call set_block_for_new_insns when emitting prologue directly.
2480
2481 2001-07-30  Andreas Jaeger  <aj@suse.de>
2482
2483         * jump.c: Add prototype for mark_modified_reg.
2484
2485         * cse.c (set_live_p): Add unused attribute.
2486
2487         * gcov.c (calculate_branch_probs): Use gcov_type to avoid
2488         overflow.
2489         (scan_for_source_files): Use long for count to avoid overflow.
2490         (output_data): Likewise.
2491         (output_data): Don't use string concatatenation to silence gcc
2492         -traditional.
2493
2494         * predict.c: Fix typos and grammar.
2495
2496         * gcse.c (insert_insn_end_bb): Remove unused variables.
2497
2498 Mon Jul 30 21:54:53 CEST 2001  Jan Hubicka  <jh@suse.cz>
2499
2500         * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
2501         (attempt_auto_inc): LIkewise.
2502         (mark_used_reg): Likewise.
2503         (try_pre_increment_1): Likewise.
2504         * regclass.c (regclass): Likewise.
2505         * global.c (allocno_compare): Update comment; change scaling factor.
2506         * local-alloc.c (QTY_CMP_PRI): Likewise.
2507         * regs.h (REG_FREQ_FROM_BB): New.
2508         (REG_FREQ_MAX): Likewise.
2509
2510 2001-07-30  H.J. Lu <hjl@gnu.org>
2511
2512         * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
2513         -D_GNU_SOURCE.
2514
2515 2001-07-30  H.J. Lu  (hjl@gnu.org)
2516
2517         * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
2518         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
2519         (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
2520
2521 2001-07-30  Nick Clifton  <nickc@cambridge.redhat.com>
2522
2523         * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
2524         as -mthumb-interwork when -mcpu=arm7 is specified.
2525
2526 Mon Jul 30 17:44:43 CEST 2001  Jan Hubicka  <jh@suse.cz>
2527
2528         * predict.def (noreturn, loop branch, loop exit): Mark as first
2529         match heuristics.
2530
2531 Mon Jul 30 12:52:11 CEST 2001  Jan Hubicka  <jh@suse.cz>
2532
2533         * combine.c (try_combine): Avoid barrier after noop jumps.
2534
2535 2001-07-29  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
2536
2537         * cpphash.h (struct cpp_reader): Remove import_warning.
2538         * cpplib.c (skip_rest_of_line): Don't bother turning off
2539         macro expansion.
2540         (parse_include): Move include handling to...
2541         (do_include_common): ... here.  Move import warning from...
2542         (do_import): ... here.
2543         (do_pragma_poison): Don't do a callback for poison identifiers.
2544         * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
2545         * cppmain.c (setup_callbacks): Similarly.
2546
2547 Sun Jul 29 23:26:50 CEST 2001  Jan Hubicka  <jh@suse.cz>
2548
2549         * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
2550         handle multiple sets.
2551         * except.c (sjlj_mark_call_sites): .... here.
2552         * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
2553
2554 Sun Jul 29 21:38:45 CEST 2001  Jan Hubicka  <jh@suse.cz>
2555
2556         Suggested by Richard Henderson and Richard Kenner:
2557         * combine.c (recog_for_combine): Use the fake recog
2558         only if instruction does not match.
2559         * rtl.h (NOOP_MOVE_INSN_CODE): New.
2560         * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
2561
2562         * combine.c (try_combine): Discover noop jump as direct jump.
2563
2564 2001-07-29  Daniel Berlin  <dan@cgsoftware.com>
2565
2566         * df.c (df_rd_global_compute): Add successors to worklist, not
2567         current item.
2568         (df_ru_global_compute): Ditto.
2569
2570 2001-07-27  Daniel Berlin  <dan@cgsoftware.com>
2571
2572         * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
2573         increment REG_N_SETS.
2574
2575 2001-07-26  Daniel Berlin  <dan@cgsoftware.com>
2576
2577         * sbitmap.h: New prototype for sbitmap_a_xor_b.
2578
2579         * sbitmap.c (sbitmap_a_xor_b): New function.
2580         ifdef the basic block stuff on IN_GCC.
2581
2582 2001-07-29  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
2583
2584         * cppexp.c (parse_defined): Always record the macro name.
2585         (lex): Don't worry about identifiers, or special-case
2586         CPP_NOT here.
2587         (_cpp_parse_expr): Figure out at the end of the routine
2588         whether we saw a valid !defined() expression.
2589         * cppfiles.c (stack_include_file): Update for mi_valid.
2590         (_cpp_pop_file_buffer): Similarly.
2591         * cpplex.c (_cpp_lex_token): Similarly.
2592         * cpphash.h (enum mi_state, enum mi_ind, mi_state,
2593         mi_if_not_defined, mi_lexed): Remove.
2594         (mi_valid): New.
2595         * cpplib.c (do_if): Simplify.
2596         (do_endif, push_conditional, _cpp_handle_directive): Update
2597         for renaming of mi_state to mi_valid.
2598 doc:
2599         * cpp.texi: Add index entries for digraphs, and add comment
2600         that C++ refers to them as alternative tokens.
2601
2602 Sun Jul 29 18:59:13 CEST 2001  Jan Hubicka  <jh@suse.cz>
2603
2604         * basic-block.h (CLEANUP_PRE_LOOP): New.
2605         * except.c (finish_eh_generation): Update call of cleanup_cfg.
2606         * sibcall.c (optimize_sibling_calls): Likewise.
2607         * toplev.c (rest_of_compilation): Likewise.
2608         * flow.c (try_forward_edges): Take argument MODE;
2609         do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
2610         (try_optimize_cfg): Update call of try_forward_edges.
2611
2612 Sun Jul 29 18:59:56 CEST 2001  Roman Zippel  <zippel@linux-m68k.org>
2613                                Jan Hubicka  <jh@suse.cz>
2614
2615         * (validate_replace_rtx_1): Fix simplification of MINUS.
2616
2617 2001-07-29  Neil Booth  <neil@daikokuya.demon.co.uk>
2618
2619         PR preprocessor/3669
2620         * cppinit.c (init_dependency_output): Turn off dump requests
2621         if sending dependencies to stdout.
2622
2623 2001-07-28  Richard Henderson  <rth@redhat.com>
2624
2625         * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
2626         not optimizing.
2627
2628 2001-07-28  Golubev I. N.  <gin@mo.msk.ru>
2629
2630         * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
2631
2632 2001-07-28  Kazu Hirata  <kazu@hxi.com>
2633
2634         * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
2635         is VAR_DECL first to prevent an ICE.
2636
2637 2001-07-28  Richard Henderson  <rth@redhat.com>
2638
2639         * varasm.c (immed_real_const_1): Don't elide special cases for
2640         nested functions.
2641         (clear_const_double_mem): Clear const_tiny_rtx too.
2642
2643 2001-07-28  Richard Henderson  <rth@redhat.com>
2644
2645         * dwarf2out.c (dw_val_class_offset): New.
2646         (struct dw_ranges_struct, dw_ranges_ref): New.
2647         (ranges_table, ranges_table_allocated): New.
2648         (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
2649         (add_AT_offset, add_ranges, output_ranges): New.
2650         (print_die, output_die): Handle dw_val_class_offset.
2651         (attr_checksum, size_of_die, value_format): Likewise.
2652         (gen_lexical_block_die): Handle non-contiguous blocks.
2653         (gen_block_die): Likewise.
2654         (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
2655         if needed.  Dump the ranges table.
2656         * final.c (final_start_function): Remove unnecessary notes and
2657         rebuild the block tree before numbering the blocks.
2658         * function.c (reorder_blocks_0): Walk the existing block tree
2659         to unmark all blocks.
2660         (reorder_blocks_1): Create block fragments when duplicate block
2661         notes are seen.
2662         (reorder_fix_fragments): New.
2663         (reorder_blocks): Call it.
2664         * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
2665
2666 2001-07-28  Richard Henderson  <rth@redhat.com>
2667
2668         * emit-rtl.c (adjust_address): Make a copy of the memory address.
2669
2670 2001-07-28  Richard Henderson  <rth@redhat.com>
2671
2672         * flow.c (add_to_mem_set_list): New function.
2673         (init_propagate_block_info): Use it.
2674         (mark_set_1): Likewise.
2675         (insn_dead_p): Canonicalize memory address for dead store
2676         comparison.  Allow wider mode stores to kill narrower mode stores.
2677         (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
2678         (invalidate_mems_from_set): Don't handle MEMs.
2679
2680 2001-07-28  Kazu Hirata  <kazu@hxi.com>
2681
2682         * config/h8300/h8300.h: Fix formatting.
2683
2684 Sat Jul 28 23:35:22 CEST 2001  Jan Hubicka  <jh@suse.cz>
2685
2686         * basic-block.h (EDGE_FREQUENCY): New macro.
2687         * bb-reorder (fixup_reorder_chain): Set counts and frequencies
2688         for new BB/edges.
2689         * flow.c (find_sub_basic_blocks): Likewise.
2690         (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
2691         (redirect_edge_and_branch): Use EDGE_FREQUENCY.
2692
2693         * predict.c (DEF_PREDICTOR): New argument FLAGS.
2694         (HITRATE): New macro.
2695         (PRED_FLAG_FIRST_MATCH): New constant.
2696         (predictor_info): New field flgags.
2697         (combine_predictions_for_insn): Use DS theory to combine
2698         probabilities; set the edge probabilities when finished.
2699         (estimate_probability): Avoid duplicated matches
2700         of LOOP_BRANCH heuristics for nested loops; update comment.
2701         * predict.def: Add flags for each prediction, set probabilities
2702         according to B&L paper.
2703         * predict.h (DEF_PREDICTOR): New argument FLAGS.
2704
2705         * profile.c (compute_branch_probabilities):  Cleanup way the edge
2706         probabilities are computed and REG_BR_PROB notes are dropped; if
2707         values does not match, emit error.
2708         (init_branch_prob): Do error instead of warning when profile driven
2709         feedback is missing or corrupt.
2710
2711 2001-07-27  DJ Delorie  <dj@redhat.com>
2712
2713         * ifcvt.c (noce_get_alt_condition): If the condition is a compare
2714         against a constant, try to adjust the compare to have the desired
2715         constant in it so that min/max optimizations happen more often.
2716
2717 Fri Jul 27 17:53:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
2718
2719         * flow.c (last_loop_beg_note): New function.
2720         (redirect_edge_and_branch): Use it.
2721         (split_edge): Likewise.
2722
2723         * alias.c (loop_p): Avoid uninitialized memory access.
2724
2725         * flow.c (try_forward_edges): Avoid accessing freed memory.
2726
2727         * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
2728         variable access.
2729
2730 2001-07-26  Andrew Haley  <aph@redhat.com>
2731         Joern Rennecke <amylaar@redhat.com>
2732
2733         * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
2734         (SUBTARGET_CPP_ENDIAN_SPEC): New.
2735         (SUBTARGET_CPP_SPEC): New.
2736         (CPP_SPEC): Remove.
2737         * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
2738         (SUBTARGET_CPP_PTR_SPEC): New.
2739         (CPP_DEFAULT_CPU_SPEC): New.
2740         (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
2741         SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
2742         (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
2743         SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
2744         (SUBTARGET_CPP_SPEC): Define as an empty string.
2745
2746 2001-07-27  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
2747
2748         * doc/install.texi (Configuration): Properly link the host
2749         specific instructions also when generating HTML.
2750
2751 Fri Jul 27 00:33:35 EDT 2001  John Wehle  (john@feith.com)
2752
2753         * flow.c (redirect_edge_and_branch_force): Test
2754         target->global_live_at_start.
2755
2756 2001-07-26  Richard Henderson  <rth@redhat.com>
2757
2758         * simplify-rtx.c (avoid_constant_pool_reference): Export.
2759         * rtl.h (avoid_constant_pool_reference): Declare it.
2760         * dwarf2out.c (add_location_or_const_value_attribute): Use it.
2761         (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
2762
2763 Thu Jul 26 22:30:22 CEST 2001  Jan Hubicka  <jh@suse.cz>
2764
2765         * rtl.h (cleanup_barriers): Declare.
2766         * jump.c (cleanup_barriers): New function.
2767         * toplev.c (rest_of_compilation): Call cleanup_barriers
2768         before loop optimizer and after bb_reorder.
2769
2770         * flow.c (back_edge_of_syntactic_loop_p): New.
2771         (split_edge): Use it.
2772
2773 2001-07-26  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2774
2775         * glimits.h (_MACH_MACHLIMITS_H_): Delete.
2776
2777 Thu Jul 26 22:22:21 2001  Denis Chertykov  <denisc@overta.ru>
2778
2779         * cse.c (cse_process_notes): Replace any registers if the address
2780         remains valid.
2781
2782 Thu Jul 26 14:04:03 EDT 2001  John Wehle  (john@feith.com)
2783
2784         * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
2785         (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
2786         (propagate_block): Update prototype.
2787         * flow.c (update_life_info): Simplify the CFG and
2788         recalculate the global regs which are alive when
2789         removing dead code during a global update.
2790         (propagate_block): Return non-zero if an INSN is
2791         deleted.
2792
2793 2001-07-26  Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2794
2795         * Makefile.in (LIBICONV): Define.
2796
2797 2001-07-26  Catherine Moore  <clm@redhat.com>
2798
2799         * config/v850/v850.h (ENCODE_SECTION_INFO):  Change order
2800         of conditional to avoid tree checking errors.
2801
2802 2001-07-26  Kazu Hirata  <kazu@hxi.com>
2803
2804         * regmove.c (regmove_optimize): Don't replace a reg with
2805         another reg of a different mode.
2806
2807 2001-07-26  Andrew MacLeod  <amacleod@redhat.com>
2808
2809         * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
2810         limit length of dependancy flush list.
2811         * params.h (MAX_PENDING_LIST_LENGTH): Define.
2812         * sched-int.h  (struct deps): Add pending_flush_length field.
2813         * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
2814         has 1 element in it.
2815         (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
2816         (sched_analyze): After a jump, if the pending memory flush list is too
2817         large, flush the pending lists.
2818         (init_deps): Initialize pending_flush_length to 0.
2819         * doc/invoke.texi (max_pending_list_length): Document parameter.
2820
2821 2001-07-26  Neil Booth  <neil@daikokuya.demon.co.uk>
2822
2823         * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
2824         * dbxout.c (dbxout_global_decl): Move outside #ifdef.
2825         * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
2826
2827 2001-07-26  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
2828
2829         * cpphash.h (struct_lexer_state): Delete was_skipping.
2830         Move skipping here from struct cpp_reader.
2831         * cpplex.c (parse_identifier): Update.
2832         (_cpp_lex_token): Don't skip tokens in a directive.
2833         * cpplib.c (struct if_stack): Update.
2834         (start_directive, end_directive): Don't change skipping state.
2835         (_cpp_handle_directive): Update.
2836         (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
2837         (do_else, do_endif): Update; only check for excess tokens if not
2838         in a skipped conditional block.
2839         (push_conditional): Update for new struct if_stack.
2840
2841 2001-07-26  Graham Stott  <grahams@redhat.com>
2842
2843         * function.c (locate_and_pad_parm): Also pad initial offset
2844         so that the total argument size also includes the padding.
2845
2846 2001-07-26  Graham Stott <grahams@redhat.com>
2847
2848         * gensupport.c (alter_output_for_insn): Correct enable checking failure
2849         change XSTR to XTMPL.
2850
2851         (process_one_cond_exec): Likewise
2852
2853 2001-07-25  Richard Henderson  <rth@redhat.com>
2854
2855         * varasm.c (assemble_variable): Create DECL_RTL before setting
2856         TREE_ASM_WRITTEN.
2857
2858 Thu Jul 26 00:19:30 CEST 2001  Jan Hubicka  <jh@suse.cz>
2859
2860         * predict.c (estimate_probability): Avoid duplicated predictions.
2861
2862         * loop.c (find_and_verify_loops): Grok multiple barriers.
2863
2864 Wed Jul 25 18:00:05 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2865
2866         * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
2867
2868         * dbxout.c: Consistently use putc instead of fputc.
2869         (print_wide_int): New function; call instead of direct fprintf.
2870         (dbxout_type_index): Adjust calls of CHARS to be more accurate.
2871         (dbxout_type_fields, dbxout_type_method_1): Likewise.
2872         (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
2873         (print_int_cst_octal): Likewise.
2874         (print_octal): Show we wrote characters.
2875         (dbxout_type): Set have_used_extensions in more places.
2876
2877 2001-07-25  Catherine Moore  <clm@redhat.com>
2878
2879         * config/v850/v850.c (v850_va_arg):  Use addr
2880         instead of valist to build incr.
2881
2882 Wed Jul 25 22:48:59 CEST 2001  Jan Hubicka  <jh@suse.cz>
2883
2884         * flow.c (delete_dead_jumptables): New function.
2885         (life_analyzis): Call it.
2886         * bb-reorder.c (skip_insns_after_block): Handle contradictory
2887         sequences.
2888
2889 2001-07-25  Richard Henderson  <rth@redhat.com>
2890
2891         * except.c (reachable_handlers): Handle a region being removed
2892         out from under a RESX.
2893
2894 2001-07-25  Richard Henderson  <rth@redhat.com>
2895
2896         * config/alpha/alpha.c (alpha_emit_conditional_move): Always
2897         swap GE/GT if it is an fp comparison.
2898
2899 2001-07-25  Andrew Haley  <aph@cambridge.redhat.com>
2900
2901         * alias.c (rtx_equal_for_memref_p): Allow strings as types in
2902         operands.
2903
2904 Wed Jul 25 08:25:01 2001  Jeffrey A Law  (law@cygnus.com)
2905
2906         * ssa.c (rename_insn_1): Do not wrap an assignment to a
2907         paradoxical SUBREG inside a SEQUENCE.  Fix minor formatting
2908         glitch.
2909
2910         * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
2911         throw an exception.
2912         (visit_expression): When attempting to simplify an expression,
2913         retrieve any modes for arguments before they are simplified
2914         to constants.
2915
2916 2001-07-25  Andrew MacLeod  <amacleod@redhat.com>
2917             Janis Johnson  <janis@us.ibm.com>
2918
2919         * stmt.c (expand_goto): A nonlocal goto can be a call too.
2920         * builtins.c (expand_builtin_longjmp): Reverse label and static chain
2921         pointer parameters to match documented usage of nonlocal_goto.
2922         * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
2923         parameters to their correct order.
2924         * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
2925         parameters to their correct order.
2926
2927 2001-07-25  Andrew MacLeod  <amacleod@redhat.com>
2928
2929         * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
2930
2931 2001-07-25  Jan Hubicka  <jh@suse.cz>
2932             Richard Henderson  <rth@redhat.com>
2933
2934         * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
2935         the sequence.
2936         (make_edges): New argument update_p; populate the edge cache if set.
2937         (find_basic_blocks): Update make_edges invocation.
2938
2939 2001-07-24  Joel Sherrill <joel@OARcorp.com>
2940
2941         * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
2942
2943 2001-07-24  Joel Sherrill <joel@OARcorp.com>
2944
2945         * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
2946         -Acpu and -Amachine.h.
2947         * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
2948         Corrected header to say ELF not a.out.
2949         * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
2950         when given -msoft-float.
2951
2952 2001-07-24  Joel Sherrill <joel@OARcorp.com>
2953
2954         * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
2955         extra multilib parts like arm-elf.
2956         (i960-*-coff*, i960-*-rtems): Should not use collect2.
2957         (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
2958         crtfini.o as extra multilib parts.
2959
2960 2001-07-24  Joel Sherrill <joel@OARcorp.com>
2961
2962         * configure.in: Add rtems as a supported thread model.
2963         * gthr-rtems.h: Add missing entry point __gthread_active_p.
2964         * configure: Rebuilt.
2965
2966 2001-07-24  Lars Brinkhoff  <lars@nocrew.org>
2967
2968         * stor-layout.c (get_mode_alignment): make it work when
2969         BITS_PER_UNIT is not a power of two.
2970         * builtins.c (get_pointer_alignment): Likewise.
2971
2972 2001-07-24  Richard Henderson  <rth@redhat.com>
2973
2974         * simplify-rtx.c (avoid_constant_pool_reference): Coerce
2975         the retrieved constant into the expected mode.
2976
2977 Wed Jul 25 01:41:27 CEST 2001  Jan Hubicka  <jh@suse.cz>
2978
2979         * flow.c (try_simplify_condjump): Avoid duplicated edges.
2980         (verify_flow_info): Check for duplicated edges; clarify
2981         error reporting.
2982
2983         * flow.c (block_label): Update basic_block_for_insn.
2984         (commit_edge_insertions): Call compute_bb_for_insn.
2985
2986         * flow.c (purge_dead_edges): Handle conditional jumps and conditional
2987         returns too.
2988
2989         * flow.c (redirect_edge_and_branch,
2990         try_optimize_cfg): Use redirect_edge_succ_nodup
2991         (redirect_edge_succ_nodup): New.
2992         * basic_block.h (redirect_edge_succ_nodup): Declare.
2993
2994         * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
2995         after gcse.
2996
2997 Wed Jul 25 00:32:49 CEST 2001  Jan Hubicka  <jh@suse.cz>
2998
2999         * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
3000         (try_crossjump_to_edge): Update commetns.
3001         (try_crossjump_bb): Likewise.
3002
3003 2001-07-24  Richard Henderson  <rth@redhat.com>
3004
3005         * combine.c (distribute_notes): Move set of need_refresh
3006         for noop_move_p down to catch all cases.
3007
3008 Tue Jul 24 20:32:44 CEST 2001  Jan Hubicka  <jh@suse.cz>
3009
3010         * recog.c (split_all_insns_noflow): New.
3011         * rtl.h (split_all_insns_noflow): Declare.
3012         * ia64.c (ia64_reorg): Use split_all_insns_noflow.
3013         * m68hc11.c (m68hc11_reorg): Likewise.
3014         * sh.c (machine_dependent_reorg): Likewise.
3015         * toplev.c (rest_of_compilation): Likewise for last split_all_insns
3016         call.
3017
3018 2001-07-18  Andrew Haley  <aph@cambridge.redhat.com>
3019
3020         * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
3021         (ashlsi3_n splitter): Likewise.
3022         (lshrsi3_n splitter): Likewise.
3023
3024         (GOTaddr2picreg): Make const SImode.
3025         (sym_label2reg): Likewise.
3026         (symGOT2reg): Likewise.
3027         (symGOTOFF2reg) Likewise.
3028
3029         (casesi_worker_0): Make unspec SImode.
3030
3031 2001-07-18  Andrew Haley  <aph@cambridge.redhat.com>
3032
3033         * config/sh/sh.c (barrier_align): Check that an operand really is
3034         an insn before extracting its INSN_CODE.
3035
3036 2001-07-24  Andrew Haley  <aph@cambridge.redhat.com>
3037
3038         * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
3039         dangling else.
3040
3041         * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
3042         for SImode to prevent overflow.
3043
3044 2001-07-24  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3045
3046         * config/mips/irix6-libc-compat.c: New file.
3047         * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
3048         * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
3049         passing workaround.
3050
3051 2001-07-24  lars brinkhoff  <lars@nocrew.org>
3052
3053         * rtl.texi (REG_POINTER): Document.
3054         (Machine Modes): Document BImode, OImode, PQImode, PHImode,
3055         QFmode, HFmode, TQFmode, QCmode, and HCmode.
3056
3057 Tue Jul 24 10:49:40 CEST 2001  Jan Hubicka  <jh@suse.cz>
3058
3059         * flow.c (delete_noop_moves): Do not confuse libcall regions.
3060
3061 2001-07-23  Richard Henderson  <rth@redhat.com>
3062
3063         * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
3064
3065 2001-07-23  Kazu Hirata  <kazu@hxi.com>
3066
3067         * config/h8300/h8300-protos.h: Add a prototype for
3068         general_operand_dst_push.
3069         * config/h8300/h8300.c (general_operand_dst_push): New.
3070         * config/h8300/h8300.h (OK_FOR_T): New.
3071         (EXTRA_CONSTRAINT): Use it.
3072         * config/h8300/h8300.md (movqi_push): Remove and integrate into
3073         the existing movqi pattern.
3074         (movhi_push): Likewise.
3075
3076         * reload.c: Fix comment typos.
3077
3078 Mon Jul 23 23:34:07 CEST 2001  Jan Hubicka  <jh@suse.cz>
3079
3080         * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
3081
3082 2001-07-23  H.J. Lu  (hjl@gnu.org)
3083
3084         * doc/extend.texi: Update __builtin_return_address and
3085         __builtin_frame_address.
3086
3087 2001-07-23  Richard Henderson  <rth@redhat.com>
3088
3089         * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
3090         before CSE.
3091         * config/i386/i386.md: New setcc+movzbl peephole2.
3092
3093 2001-07-23  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
3094
3095         * objc/Make-lang.in (objc-act.o): Depend on debug.h.
3096         * objc/objc-act.c: Include debug.h.
3097         (synth_module_prologue): Save and restore debug hooks too.
3098
3099 2001-07-23  lars brinkhoff  <lars@nocrew.org>
3100
3101         * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
3102         and C4X_FLOAT_FORMAT.
3103         (BOOL_TYPE_SIZE): Document.
3104
3105 Mon Jul 23 11:54:23 2001  Clinton Popetz  <cpopetz@cpopetz.com>
3106
3107         * unroll.c (loop_iterations): Fix miscalculation of initial
3108         giv offset.
3109
3110 2001-07-13  Andrew Haley  <aph@redhat.com>
3111
3112         * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
3113         * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
3114         * config/sh/sh.c (sh_can_redirect_branch): New function.
3115         * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
3116         * reorg.c (steal_delay_list_from_target): Use
3117         MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
3118
3119 Mon Jul 23 17:20:18 CEST 2001  Jan Hubicka  <jh@suse.cz>
3120
3121         * flow.c (try_simplify_condjump): Unlink insn chain on
3122         fallthru edge; use can_fallthru.
3123
3124 Mon Jul 23 16:03:19 CEST 2001  Jan Hubicka  <jh@suse.cz>
3125
3126         * basic-block.h (find_sub_basic_block): Declare.
3127         * flow.c (make_edges): New arguments MIN and MAX;
3128         (find_sub_basic_blocks): Revamp to use make_edges
3129         and purge_dead_edges.
3130         (find_basic_blocks): Update call of find_sub_basic_block.
3131
3132         * recog.c (split_all_insns): Always expect CFG to be consistent;
3133         call find_sub_basic_blocks in case something has changed.
3134         * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
3135         has been built.
3136
3137         * basic-block.h (delete_noop_moves): Declare.
3138         * combine.c (combine_instructions): Call it.
3139         (recog_for_combine): Tolerate noop moves
3140         (distribute_notes): Force refresh when register dies at noop move.
3141         * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
3142         too.
3143         (life_analysis): Update delete_noop_moves call.
3144         (set_noop_p): Move too ...
3145         * rtlanal.c (noop_move_p): ... here.
3146         * rtl.h (noop_move_p): Declare.
3147
3148         * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
3149         * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
3150         after combine.
3151         * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
3152         (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
3153
3154 2001-07-23  Hans-Peter Nilsson  <hp@bitrange.com>
3155
3156         * reload.c (push_reload): Fix typo in comment.
3157         (find_reloads_address): Ditto.
3158         (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
3159
3160 2001-07-22  Richard Henderson  <rth@redhat.com>
3161
3162         * flow.c: Grammar check and clarify a lot of comments.
3163         (try_simplify_condjump): Rename variables to be clearer.
3164         (try_forward_edges): Skip complex and fallthru edges.
3165         Rearrange tests to avoid duplicate checks.
3166         (flow_find_cross_jump): Likewise.
3167         (outgoing_edges_match): Allow match if neither branch has
3168         probability data.  Loosen probability match to 5%.
3169         (try_crossjump_to_edge): Hoist repeated indirection into
3170         local variables.
3171         (try_crossjump_bb): Don't check complex edges.  Eliminate
3172         redundant crossjump tests.
3173         (try_optimize_cfg): Fix use of bool.  Reorganize cheaper
3174         checks before more expensive checks.
3175
3176 2001-07-22  Richard Henderson  <rth@redhat.com>
3177
3178         * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
3179         INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
3180         arguments.
3181
3182 2001-07-22  Richard Henderson  <rth@redhat.com>
3183
3184         * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
3185         (const_sint32_operand): Likewise.
3186         * m68k.md (anon mulsi pattern): Use const_int_operand not
3187         const_sint32_operand.
3188         (umulsi3_highpart): Zero extend a constant input.
3189         (smulsi3_highpart): Don't bother checking SImode constant.
3190         (const_umulsi3_highpart): Give op3 DImode.
3191         (const_smulsi3_highpart): Likewise.
3192
3193 2001-07-22  Richard Henderson  <rth@redhat.com>
3194
3195         * flow.c (split_block): Make sure bb_note is included in the
3196         new block when splitting before a label.
3197
3198 Sun Jul 22 23:28:56 CEST 2001  Jan Hubicka  <jh@suse.cz>
3199
3200         * basic-block.h (redirect_edge_and_branch_force,
3201         redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
3202         * flow.c (redirect_edge_and_branch_force,
3203         redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
3204         (redirect_edge_and_branch_force): Fix copying of lifeness information.
3205         (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
3206         * ifcvt.c (dead_or_predictable): Take BB as an new destionation
3207         instead of label; update CFG after transformation.
3208         (find_if_case_1): Update call, use redirect_edge_and_branch_force
3209         for finishing the transformation; handle even case where ELSE
3210         does not follow THEN.
3211         (find_if_case_2): Update call of dead_or_predictable; simplify
3212         CFG update.
3213
3214         * emit-rtl.c (split_branch_probability): New global variable.
3215         (try_split): Take care to set split_branch_probability and
3216         create REG_BR_PROB note for new jump insns.
3217         * md.texi (define_split): Document new feature.
3218
3219         * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
3220
3221 2001-07-22  Neil Booth  <neil@daikokuya.demon.co.uk>
3222
3223         * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
3224         (asm_out_file): Remove redundant declaration.
3225         (assemble_asm): Remove old #if 0 block.
3226         (assemble_variable): Remove end of function; debug output is
3227         now handled with global_decl.  Remove old #if 0 block.  Update.
3228         Remove saved_in_section and associated no-op code.
3229         * Makefile.in (varasm.o): Correct dependencies.
3230
3231 Sun Jul 22 17:55:11 2001  Alexandre Oliva  <aoliva@redhat.com>
3232
3233         * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
3234         the definition in defaults.h.
3235
3236 Sun Jul 22 21:31:04 CEST 2001  Jan Hubicka  <jh@suse.cz>
3237
3238         * jump.c: Update comments.
3239         (delete_barrier_successors, delete_unreferenced_labels,
3240         delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
3241         delete_labelref_insn, redirect_tablejump, jump_optimize_1,
3242         jump_optimize, jump_optimize_minimal): Kill.
3243         (rebuild_jump_labels): Move code from jump_optimize_1.
3244         (purge_line_number_notes): Likewise.
3245         (copy_loop_headers): Likewise.
3246         * reg-stack.c: Update comment.
3247         * stmt.c: Likewise.
3248         * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
3249         JUMP_AFTER_REGSCAN): Kill.
3250         * toplev.c (rest_of_compilation): Use cleanup_cfg, call
3251         purge_line_number_notes and copy_loop_headers.
3252
3253 2001-07-22 Neil Booth  <neil@daikokuya.demon.co.uk>
3254            Richard Henderson  <rth@redhat.com>
3255
3256         * dbxout.c (dbxout_global_decl): New.
3257         (xcoff_debug_hooks, dbx_debug_hooks): Use it.
3258         * sdbout.c (sdbout_finish): New.
3259         (sdbout_debug_hooks): Use it, add comments.
3260         (sdbout_global_decl): Defer initialised public vars to
3261         sdbout_finish.
3262         * varasm.c (assemble_variable): Don't output debug information
3263         for file-scope variables.
3264
3265 2001-07-22  Richard Henderson  <rth@redhat.com>
3266
3267         * config/alpha/alpha.c (get_trap_mode_suffix): New.
3268         (get_round_mode_suffix): New.
3269         (print_operand): Use them for [/].  Remove support for [&'`()+].
3270         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
3271         * config/alpha/alpha.md (attr round_suffix): New.
3272         (attr trap_suffix): New.
3273         (all insns): Set them appropriately.  Use %/ instead of the
3274         myriad punctuators.
3275
3276 2001-07-22  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
3277
3278         * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
3279
3280 2001-07-22  Richard Henderson  <rth@redhat.com>
3281
3282         * regrename.c (regrename_optimize): Compute nregs for each
3283         potential target register.
3284
3285 2001-07-21 Neil Booth  <neil@daikokuya.demon.co.uk>
3286            Richard Henderson  <rth@redhat.com>
3287
3288         * dbxout.c (dbxout_global_decl): New.
3289         (xcoff_debug_hooks, dbx_debug_hooks): Use it.
3290         * sdbout.c (sdbout_finish): New.
3291         (sdbout_debug_hooks): Use it, add comments.
3292         (sdbout_global_decl): Defer initialised public vars to
3293         sdbout_finish.
3294         * varasm.c (assemble_variable): Don't output debug information
3295         for file-scope variables.
3296
3297 2001-07-21  H.J. Lu  (hjl@gnu.org)
3298
3299         * config/mips/mips.c (mips_cpu): Moved into ...
3300         (override_options): Here.
3301
3302         * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
3303         mips_tune.
3304         (mips_cpu): Removed.
3305
3306 2001-07-21  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3307
3308         * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
3309         ("iorqi3"): Likewise.
3310         ("xorqi3"): Likewise.
3311         ("*addhi3"): Fix constraint to avoid reloading in a soft register.
3312         ("*subhi3_sp): Likewise.
3313         ("*subhi3"): Likewise.
3314         ("extendhisi2"): Accept D, X and Y as source operand to avoid
3315         reload problems.
3316
3317 2001-07-21  Nathan Sidwell  <nathan@codesourcery.com>
3318
3319         * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
3320         * config/freebsd.h: Likewise.
3321         * config/linux.h: Likewise.
3322         * config/openbsd.h: Likewise.
3323         * config/alpha/linux-elf.h: Likewise.
3324         * config/arm/linux-elf.h: Likewise.
3325         * config/d30v/d30v.h: Likewise.
3326         * config/fr30/fr30.h: Likewise.
3327         * config/ia64/aix.h: Likewise.
3328         * config/ia64/ia64.h: Likewise.
3329         * config/mips/linux.h: Likewise.
3330         * config/pj/pj.h: Likewise.
3331         * config/rs6000/linux.h: Likewise.
3332         * config/sparc/linux.h: Likewise.
3333         * config/sparc/linux64.h: Likewise.
3334
3335 2001-07-20  Bruce Korb  <bkorb@gnu.org>
3336
3337         * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
3338         because getc() and char* may disagree on signedness.
3339
3340 2001-07-20  Richard Henderson  <rth@redhat.com>
3341
3342         * doc/rtl.texi (REG_DEAD): Update for current semantics.
3343
3344         * flow.c (try_redirect_by_replacing_jump): Correctly compute which
3345         insns to delete in the presence of cc0 in a jump insn.
3346
3347 Fri Jul 20 22:14:49 CEST 2001  Roman Zippel  <zippel@linux-m68k.org>
3348                                Jan Hubicka  <jh@suse.cz>
3349
3350         * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
3351         of doing the change by hand.
3352
3353 Fri Jul 20 21:59:42 CEST 2001  Jan Hubicka  <jh@suse.cz>
3354
3355         * rtlanal.c (set_noop_p): Return true for noop jumps.
3356
3357         * expr.c (emit_single_push_insn): Add call to push expander.
3358         * expr.h (optab_index): Add OTI_push
3359         (push_optab): New constant.
3360         * genopinit.c (optabs): Add push_optab.
3361         * optabs.c (init_optab): Init push optab.
3362         * md.texi (push??1): Document
3363
3364 2001-07-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3365
3366         * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
3367         expand to emit the pattern; put a REG_INC note for push/pop
3368         instructions.
3369         ("movdf", "movdf_internal"): Likewise.
3370         ("movsi", "movsi_internal"): Likewise.
3371         ("movsf", "movsf_internal"): Likewise.
3372         ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
3373
3374 2001-07-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
3375
3376         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
3377         gen_highpart.
3378
3379 2001-07-20  Daniel Berlin  <dan@cgsoftware.com>
3380
3381         * params.def: Change default max inline insns to 100.
3382
3383 2001-07-20  Diego Novillo  <dnovillo@redhat.com>
3384
3385         * combine.c (combine_simplify_rtx): Generate a new shift operation
3386         when simplifying the first operand of a (neg (ashift)) expression.
3387
3388 2001-07-20  Roman Lechtchinsky  <rl@cs.tu-berlin.de>
3389
3390         * regclass.c (N_REG_INTS): Use only 32 bits per element.
3391
3392 2001-07-20  Kelley Cook  <kelley.cook@home.com>
3393
3394         * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
3395         information.   Move rest into ...
3396         (*-*-solaris): ... here.  Eliminate redundant information and
3397         reword necessary packages section.  Delete 4.x assembler bug info.
3398         (sparc-sun-*): Merge into ...
3399         (sparc-sun-sunos*): here.
3400
3401 2001-07-20  Catherine Moore  <clm@redhat.com>
3402
3403         * config/v850/v850.md (casesi): Generate LABEL_REF
3404         with Pmode.
3405
3406 Fri Jul 20 14:12:57 CEST 2001  Jan Hubicka  <jh@suse.cz>
3407
3408         * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
3409         * i386.c (ix86_zero_extend_to_Pmode): Make global.
3410         * i386.md (strclrsi expander): Use it.
3411
3412 Fri Jul 20 13:24:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
3413
3414         * integrate.c (copy_insn_list): handle
3415         NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
3416         (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
3417         identically as to CODE_LABEL.
3418
3419         * fold-const (fold): Convert A/B/C to A/(B*C) and
3420         A/(B/C) to (A/B)*C
3421
3422         * except.c (connect_post_landing_pads): Delete the RESX insns.
3423
3424 2001-07-20  Aldy Hernandez  <aldyh@redhat.com>
3425
3426         * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
3427
3428         * config/mips/mips.md (nmadd/nmsub): Use macro.
3429
3430 2001-07-20  Nathan Sidwell  <nathan@codesourcery.com>
3431
3432         * cppinit.c (remove_dup_dir): Make static.
3433         (remove_dup_dirs): Make static. Only warn about preempting a
3434         system directory with a non-system directory.
3435
3436 2001-07-19  Geoffrey Keating  <geoffk@redhat.com>
3437
3438         * ifcvt.c (noce_try_store_flag_constants): Correct order
3439         of parameters to trunc_int_for_mode.
3440
3441 2001-07-19  Mark Mitchell  <mark@codesourcery.com>
3442
3443         * reorg.c (fill_simple_delay_slots): If an instruction might throw
3444         an exception that will be caught within this function, do not fill
3445         its delay slot with any subsequent instruction.
3446
3447 2001-07-19  Steve Ellcey <sje@cup.hp.com>
3448
3449         * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
3450         * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
3451         pointer extension instruction.
3452         * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
3453         * simplify-rtx.c (simplify_unary_operation) Likewise.
3454         * explow.c (convert_memory_address) Check value of
3455         POINTERS_EXTEND_UNSIGNED to avoid some conversions when
3456         less than zero.
3457         * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
3458         MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
3459         * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
3460         Add Multilib Support.
3461         (POINTERS_EXTEND_UNSIGNED)  Define for ILP32 support.
3462         * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
3463         Add Multilib Support.
3464         (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
3465         support.
3466         * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
3467         * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
3468         a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
3469
3470 2001-07-19  Alexandre Oliva  <aoliva@redhat.com>
3471
3472         * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
3473         old and new operands in `<', `3' and `b'.
3474
3475 2001-07-19  Neil Booth  <neil@daikokuya.demon.co.uk>
3476
3477         * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
3478         (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
3479         (toplev.o): Don't depend on xcoffout.h.
3480         * c-decl.c: Include debug.h
3481         (duplicate_decls): Use debug hook.
3482         * dbxout.c (dbxout_source_file, dbxout_args): Make static.
3483         (dbx_debug_hooks, xcoff_debug_hooks): Update.
3484         (dbxout_types): Remove.
3485         * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
3486         * debug.c (do_nothing_debug_hooks): Update.
3487         (debug_true_tree, debug_nothing_rtx): New.
3488         * debug.h (struct rtx_def): New.
3489         (struct gcc_debug_hooks): New hooks ignore_block,
3490         outlining_inline_function and label.
3491         (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
3492         dwarf2out_frame_finish): New.
3493         * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
3494         Make static, update prototype.
3495         (dwarf2_debug_hooks): Update.
3496         * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
3497         dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
3498         * dwarfout.c (dwarf_debug_hooks): Update.
3499         * emit-rtl.c: Include debug.h.
3500         (remove_unnecessary_notes): Use debug hook.
3501         * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
3502         (final_scan_insn): Use debug hook.
3503         * integrate.c (output_inline_function): Use debug hook.
3504         * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
3505         (sdb_debug_hooks): Update.
3506         * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
3507         * toplev.c: Don't include xcoffout.h.
3508         (note_outlining_of_inline_function, debug_ignore_block): Remove.
3509         * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
3510         Remove.
3511         * tree.h (dwarf2out_do_frame): Remove.
3512
3513 2001-07-19  Catherine Moore  <clm@cygnus.com>
3514
3515         * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
3516
3517 2001-07-19  Geoffrey Keating  <geoffk@redhat.com>
3518
3519         * reload1.c (eliminate_regs_in_insn): When updating a set
3520         to the frame pointer to the hardware frame pointer, perform
3521         the update always not just when REPLACE is set.
3522
3523         * reload1.c (choose_reload_regs): Don't inherit a reload
3524         that crosses multiple registers if registers past the first
3525         don't fit in the desired class.
3526
3527         * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
3528         when negating constants.
3529
3530 2001-07-19  Toon Moene  <toon@moene.indiv.nluug.nl>
3531
3532         * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
3533         * doc/tree.texi: Ditto.
3534
3535 2001-07-19  Mark Kettenis  <kettenis@wins.uva.nl>
3536             Jakub Jelinek  <jakub@redhat.com>
3537
3538         * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
3539         (extract_cie_info): Handle "eh" augmentation properly,
3540         remember eh_ptr.
3541         (struct frame_state, __frame_state_for): New.
3542
3543 2001-07-19  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3544
3545         * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
3546         HANDLE_SYSV_PRAGMA): Define.
3547         * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
3548         previous args.
3549         (copy_object): Caller changed.
3550
3551 2001-07-19  Andreas Schwab  <schwab@suse.de>
3552
3553         * configure.in (assembler dwarf2 debug_line support): Define nop
3554         insn for m68k.
3555         * configure: Regenerated.
3556
3557 2001-07-19  Neil Booth  <neil@daikokuya.demon.co.uk>
3558
3559         * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
3560         dwarfout.h.
3561         * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
3562         to conditionally compiled block.
3563         (dbx_debug_hooks, xcoff_debug_hooks): Update.
3564         * dbxout.h (dbxout_function): Remove.
3565         * debug.c (do_nothing_debug_hooks): Update.
3566         * debug.h (struct gcc_debug_hooks): New hooks function_decl,
3567         global_decl, deferred_inline_function.
3568         * dwarf2out.c (dwarf2_debug_hooks): Update.
3569         (dwarf2out_global_decl): New.
3570         * dwarfout.c: Don't include dwarfout.h.
3571         (dwarfout_global_decl, dwarfout_function_decl,
3572         dwarfout_deferred_inline_function): New.
3573         (dwarf_debug_hooks): Update.
3574         * dwarfout.h: Remove.
3575         * final.c: Don't include dwarfout.h.
3576         * sdbout.c (sdbout_global_decl): New.
3577         (sdbout_debug_hooks): Update.
3578         * toplev.c: Don't include dwarfout.h.
3579         (check_global_declarations, rest_of_compilation): Use new debug hooks.
3580         (note_deferral_of_defined_inline_function): Remove.
3581         * toplev.h (note_deferral_of_defined_inline_function): Remove.
3582         * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
3583         * ch/lex.c: Don't include dwarfout.h.
3584         * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
3585         (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
3586         * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
3587         * cp/optimize.c: Include debug.h.
3588         (maybe_clone_body): Use debug hook.
3589         * cp/semantics.c: Include debug.h.
3590         (expand_body): Use debug hook.
3591         * po/POTFILES.in: Remove dwarfout.h.
3592
3593 2001-07-19  Neil Booth  <neil@daikokuya.demon.co.uk>
3594
3595         * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
3596         * c-parse.in (yyerror, _yylex): Similarly.
3597         * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
3598         Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
3599         Update comments.
3600         * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
3601         * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
3602
3603 2001-07-18  Jeff Sturm  <jsturm@one-point.com>
3604
3605         * dwarf2out.c (dwarf2out_abstract_function): Don't emit
3606         in-class declaration at -g1.  Fixes c++/2814.
3607
3608 2001-07-18  Richard Henderson  <rth@redhat.com>
3609
3610         * doc/md.texi (reload_in/out): Document restrictions in predicates
3611         and constraints for these patterns.  Document empty string matching
3612         ALL_REGS.
3613
3614 2001-07-18  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3615
3616         * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
3617
3618 Wed Jul 18 20:47:36 CEST 2001  Jan Hubicka  <jh@suse.cz>
3619
3620         * cse.c: Undo my previous patch.
3621
3622 2001-07-18  Tom Tromey  <tromey@redhat.com>
3623
3624         For PR java/2812:
3625         * configure: Rebuilt.
3626         * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
3627         instead.
3628         * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
3629
3630 Wed Jul 18 18:46:30 CEST 2001  Richard Henderson <rth@cygnus.com>
3631                                Jan Hubicka  <jh@suse.cz>
3632
3633         * flow.c (redirect_edge_and_branch): Bail out on complex edges.
3634         (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
3635         * jump.c (mark_jump_label): Do not forward branches.
3636
3637 Wed Jul 18 18:35:01 CEST 2001  Jan Hubicka  <jh@suse.cz>
3638
3639         * cse.c (delete_trivially_dead_insns): Delete the libcall block
3640         when return value is unused.
3641
3642 Wed Jul 18 18:28:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
3643
3644         * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
3645
3646 Wed Jul 18 12:05:29 2001  Nicola Pero  <n.pero@mi.flashnet.it>
3647
3648         * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
3649         on error.  We can't blindly return the result of
3650         pthread_mutex_trylock because it returns a positive number on
3651         error, while we must return -1 on error.
3652         (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
3653         fixes.
3654         Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
3655
3656 2001-07-18  Andreas Jaeger  <aj@suse.de>
3657
3658         * integrate.c (output_inline_function): Correct type of debug_hooks.
3659
3660 2001-07-18  Toon Moene  <toon@moene.indiv.nluug.nl>
3661
3662         * combine.c (combine_simplify_rtx): DIV can be treated
3663         associatively for floats if unsafe math optimisations are enabled.
3664
3665 2001-07-17  Richard Henderson  <rth@redhat.com>
3666
3667         * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
3668
3669 2001-07-17  Richard Henderson  <rth@redhat.com>
3670
3671         * calls.c (prepare_call_address): New parameter SIBCALLP.  If true,
3672         don't force the function address into a register.
3673         (expand_call, emit_library_call_value_1): Update callers.
3674         * builtins.c (expand_builtin_apply): Likewise.
3675         * expr.h (prepare_call_address): Update decl.
3676
3677 2001-07-17  Chandrakala Chavva  <cchavva@redhat.com>
3678
3679         * config.gcc: For *-*-chorusos triplet, get chorus.h file from
3680         config directory.
3681         * config/i386/chorus.h: Move up.
3682         * config/sparc/chorus.h: Likewise.
3683         * config/rs6000/chorus.h: Likewise.
3684         * config/chorus.h: Moved here.
3685
3686 2001-07-17  Andreas Schwab  <schwab@suse.de>
3687
3688        * configure.in  (assembler eh_frame optimization): Handle big
3689        endian.
3690        * configure: Regenerated.
3691
3692 Tue Jul 17 23:43:31 CEST 2001  Jan Hubicka  <jh@suse.cz>
3693
3694         * expr.c (epxand_expr): Convert divisions into multiplications by
3695         reciprocals if -ffast-math.
3696
3697 2001-07-17  Neil Booth  <neil@daikokuya.demon.co.uk>
3698
3699         * dbxout.c (dbxout_really_begin_function): Rename to
3700         dbxout_begin_function.
3701         (dbx_debug_hooks, xcoff_debug_hooks): Update.
3702         (dbxout_begin_function): Remove.
3703         (dbxout_function): Update.
3704         (dbxout_source_line): Update prototype.
3705         * dbxout.h (dbxout_begin_function): Remove.
3706         * debug.c (do_nothing_debug_hooks): Update.
3707         (debug_nothing_tree): Update.
3708         (debug_nothing_charstar_rtx): Remove.
3709         * debug.h (union tree_node): Declare.
3710         (struct rtx_def): Remove.
3711         (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
3712         begin_function.  Change source_line prototype.
3713         (debug_nothing_tree): New.
3714         (debug_nothing_charstar_rtx): Delete.
3715         (dwarf2out_begin_prologue): Moved from ...
3716         * tree.h: ... here.
3717         * dwarf2out.c (dwarf2_debug_hooks): Update.
3718         (dwarf2out_begin_prologue): Update prototype.  If genuine dwarf2
3719         debug info, call dwarf2out_source_line.
3720         (dwarf2out_souce_line): Update prototype.
3721         * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
3722         Change prototype, make static.
3723         (dwarfout_source_line): Update prototype.
3724         (dwarf_debug_hooks): Update.
3725         * dwarfout.h (dwarfout_begin_function): Remove.
3726         * final.c (final_start_function, final_scan_insn): Use appropriate
3727         debug hooks, update to use notice_source_line.
3728         (output_source_line): Rename notice_source_line.  Don't call the
3729         source_line debug hook.
3730         * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
3731         make static, update prototype.
3732         (sdbout_mark_begin_function): Rename sdbout_begin_function, update
3733         prototype.
3734         (sdbout_end_prologue): New.
3735         (sdbout_source_line): Update prototype.
3736         (sdbout_debug_hooks): Update.
3737         (sdbout_symbol): Remove unused var.
3738         * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
3739         Delete.
3740         * varasm.c: Include debug.h.
3741         (assemble_start_function): Use begin_function debug_hook.
3742         * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
3743         update with prototype.
3744         (xcoffout_source_line): Update prototype.
3745         * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
3746         update prototype.
3747         (xcoffout_source_line): Update prototype.
3748
3749 2001-07-17  Richard Henderson  <rth@redhat.com>
3750
3751         * c-typeck.c (build_binary_op): Do not shorten unsigned
3752         right shift after sign extension.
3753
3754 Tue Jul 17 16:56:05 CEST 2001  Jan Hubicka  <jh@suse.cz>
3755
3756         * combine.c (combine_simplify_rtx): Attempt to simplify
3757         a*(b/c) as (a*b)/c for floats in unsafe_math mode.
3758
3759         * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
3760         (simplify_binary_operation, simplify_unary_operation,
3761          simplify_relational_operation): Use it.
3762
3763         * combine.c (combine_simplify_rtx): Don't do associative law
3764         on divisions; allow associative law on floats.
3765
3766 2001-07-17  H.J. Lu <hjl@gnu.org>
3767             Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3768
3769         * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
3770         ASM_OUTPUT_WEAK_ALIAS are defined.
3771         * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
3772         * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
3773         Moved ...
3774         * config/mips/iris5.h: ... here.
3775         (HANDLE_SYSV_PRAGMA): Defined as 1.
3776         * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
3777         * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
3778         symbol.
3779
3780 2001-07-17  Joseph S. Myers  <jsm28@cam.ac.uk>
3781
3782         * c-parse.in (all_prefix_attributes): New variable.
3783         (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
3784         (maybe_resetattrs): New production.
3785         (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
3786         maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
3787         notype_initdcl, nested_function, notype_nested_function,
3788         component_decl, components, components_notype,
3789         component_declarator, component_notype_declarator,
3790         absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
3791         ivars, mydecl, myparm): Update.  Avoid prefix attributes just
3792         after a comma being applied to more than one declarator.
3793         * doc/extend.texi (Attribute Syntax): Update.  Remove
3794         documentation of bugs that are no longer present.
3795
3796 2001-07-13  Eric Christopher  <echristo@redhat.com>
3797
3798         * config/mips/mips.h: Change TUNE_MIPS* options to use
3799         mips_tune.
3800         (EXTRA_SPECS): Add cc1_cpu_spec.
3801         * config/mips/mips.md (muldf3): Fix typo.
3802
3803 2001-07-16  Richard Henderson  <rth@redhat.com>
3804
3805         * config/m68k/m68k.c: Include expr.h and reload.h.
3806         (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
3807         [general int]: Use HOST_WIDE_INT_PRINT_DEC.
3808
3809 2001-07-16  Daniel Berlin  <dan@cgsoftware.com>
3810             Richard Henderson  <rth@redhat.com>
3811
3812         * cse.c (set_live_p): Take INSN argument for cc0; update callers.
3813         (insn_live_p): Fix fall off end of function.
3814         (dead_libcall_p): Remove COUNTS argument; update callers.
3815         (delete_trivially_dead_insns): Remove unused variables.
3816
3817 2001-07-17  Andreas Jaeger  <aj@suse.de>
3818
3819         * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
3820         x86-64 pic support.
3821
3822         * lcm.c (optimize_mode_switching): Avoid warning for unused
3823         variable if !NORMAL_MODE.
3824
3825         * flow.c (try_crossjump_to_edge): Remove unused variable.
3826
3827 2001-07-16  John David Anglin  <dave@hiauly1.hia.nrc.ca>
3828
3829         * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
3830         atexit declaration in stdlib.h.
3831
3832 2001-07-16  Richard Begg  <Richard.Begg@colesmyer.com.au>
3833
3834         * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
3835
3836 Mon Jul 16 22:48:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
3837
3838         * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
3839         * except.c (finish_eh_generation): Update call of cleanup_cfg;
3840         do rebuild_jump_labels instead of jump_optimize
3841         * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
3842         * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
3843         * flow.c (try_optimize_cfg): Remove unneeded code_labels.
3844
3845         * flow.c: Include timevar.h
3846         (find_basic_block): Push/pop timevar;
3847         (cleanup_cfg): Likewise.
3848         * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
3849         * Makefile: Add dependencies on timevar.h
3850
3851         * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
3852         (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
3853
3854         * rtl.h (delete_trivially_dead_insns): Add new parameter.
3855         * toplev.c (rest_of_compilation): Update calls.
3856         * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
3857         (delete_trivially_dead_insns): ... here; accept new argument
3858         preserve_basic_blocks; preserve basic blocks if set.
3859
3860         * reg-stack.c (stack_regs_mentioned): Return 0 if
3861         stack_regs_mentioned_data is not initialized.
3862         (reg_to_stack): Make stack_regs_mentioned survive after the
3863         reg-stack is completted; do not call cleanup_cfg.
3864         * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
3865         make cleanup_cfg after bb-reorder to output to debug file.
3866
3867 2001-07-16  Richard Henderson  <rth@redhat.com>
3868
3869         * regclass.c (init_reg_sets): Use only 32 bits per initializer
3870         from int_reg_class_contents.
3871
3872 2001-07-16  Richard Henderson  <rth@redhat.com>
3873
3874         * hard-reg-set.h (regs_invalidated_by_call): Declare.
3875         * regclass.c (regs_invalidated_by_call): Move from cse.c.
3876         (init_reg_sets_1): Move initialization from cse_main.
3877         * cse.c (regs_invalidated_by_call): Move to regclass.c.
3878         (cse_main): Move its initialization also.
3879         * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
3880         * flow.c (propagate_one_insn): Likewise.
3881         * gcse.c (compute_hash_table): Likewise.
3882         (compute_kill_rd, compute_store_table): Likewise.
3883         * sched-deps.c (sched_analyze_1): Likewise.
3884
3885 Mon Jul 16 18:07:07 2001  J"orn Rennecke <amylaar@redhat.com>
3886
3887         * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
3888         gen_rtx_SET.
3889
3890 2001-07-16  Steve Ellcey <sje@cup.hp.com>
3891
3892         * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
3893         in if statement so we don't access undefined memory.
3894
3895 2001-07-16  Daniel Berlin  <dan@cgsoftware.com>
3896
3897         * gcse.c: Update comment at top.
3898         Update comment on mem handling.
3899         mem_last_set, mem_first_set, mem_set_in_block: gone.
3900         Declaration of reg_set_info: gone.
3901         (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
3902         pointless with load_killed_in_block_p (they are *more*
3903         conservative then it, not less, and less accurate).
3904         (oprs_not_set_p): Ditto.
3905         (alloc_gcse_mem): Don't allocate mem_set_in_block
3906         (free_gcse_mem): Don't free it, either.
3907         (record_last_mem_set_info): Update comment in front, remove
3908         mem_*set_* stuff. Note the reason we don't handle stores directly
3909         here.
3910         (compute_hash_table): Update comments to reflect reality. Remove
3911         mem_*set_* references.
3912         (reset_opr_set_tables): Remove mem_*set_* references.
3913         (mark_call): Ditto.
3914         (mark_set): Ditto.  Also remove double sets of bitmaps for REG's.
3915         (mark_clobber): Ditto (on both parts, we double set here too).
3916         (expr_killed_p): Remove mem_set_in_block test.
3917         (compute_transp): Remove mem_set_in_block test.
3918
3919         * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
3920         of edge, and removal of phi alternative to dump file.
3921         (ssa_ccp_substitute_constants): Add note about register now being
3922         constant, and which uses were replaced in what insns to dump file.
3923
3924 2001-07-16  Andreas Jaeger  <aj@suse.de>
3925
3926         * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
3927         variables of type HOST_WIDEST_INT.
3928
3929         * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
3930         (__bb_exit_func): Correct type of count_max to avoid overflow.
3931         (num_digits): Handle long long argument.
3932
3933         * combine.c (gen_lowpart_for_combine): Remove unused variable.
3934
3935 2001-07-16  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
3936
3937         * output.h (sdb_begin_function_line): Restore as an extern
3938         variable.
3939         * sdbout.c (sdb_begin_function_line): Make extern.
3940
3941 2001-07-15  Richard Henderson  <rth@redhat.com>
3942
3943         * machmode.def (Pmode): Redefine if GENERATOR_FILE.
3944         * genrecog.c (maybe_both_true_mode): New.
3945         (maybe_both_true_2): Use it.
3946         (write_switch): Don't put Pmode in a switch.
3947         * rtl.c (mode arrays): Don't explicitly size them.
3948
3949 Sun Jul 15 14:07:36 CEST 2001  Jan Hubicka  <jh@suse.cz>
3950
3951         * toplev.c (rest_of_compilation): Fix register_life_up_to_date
3952         handling; move unconditional splitting before mode switching.
3953
3954         * i386.md (type): Add fistp type.
3955         (i387, length_attr, scheduling definitions): Handle this type.
3956         (fix_trunc?f?i2): Revamp to use mode switching.
3957         (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
3958         * i386.h (fp_cw_mode): New enum
3959         (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
3960         MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
3961
3962 Sun Jul 15 12:53:51 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3963
3964         * Makefile.in (integrate.o): Add debug.h.
3965         * integrate.c (debug.h): Add.
3966         (output_inline_function): Save, reset, and restore debug_hooks.
3967
3968 2001-07-15  Richard Henderson  <rth@redhat.com>
3969
3970         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
3971         instead of COMPARE for the EQUIV expression.
3972
3973 2001-07-15  Richard Henderson  <rth@redhat.com>
3974
3975         * flow.c (redirect_edge_and_branch_force): Initialize
3976         global_live_at_start and global_live_at_end.
3977         (allocate_bb_life_data): Export.
3978         * basic-block.h (allocate_bb_life_data): Declare.
3979         * toplev.c (rest_of_compilation): Call it.
3980
3981 2001-07-15  Richard Henderson  <rth@redhat.com>
3982
3983         * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
3984         (alpha_tablejump_best_label): New.
3985         * config/alpha/alpha-protos.h: Declare them.
3986         * config/alpha/alpha.md: Use braced strings for code blocks.
3987         (tablejump_osf): Break out add with r29.
3988         (tablejump_osf_internal): Remove.
3989         (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
3990         use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
3991
3992 Sun Jul 15 00:53:35 CEST 2001  Jan Hubicka  <jh@suse.cz>
3993
3994         * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
3995         of the movable.
3996
3997         * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
3998
3999         * i386-protos.h (ix86_split_fp_branch): Update prototype.
4000         (ix86_fp_jump_nontrivial_p): New.
4001         * i386.md (fp_jcc_?): Update call of split_fp_branch;
4002         use ix86_fp_jump_nontrivial_p.
4003         * i386.c (ix86_fp_jump_nontrivial_p): New.
4004         (ix86_split_fp_branch): Accept code instead of rtx.
4005         (ix86_expand_compare): Expand comparison early in case
4006         doing so is resonably cheap.
4007
4008 2001-07-15  Nick Clifton  <nickc@cambridge.redhat.com>
4009
4010         * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
4011         not 'machine'.
4012         (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
4013         (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
4014
4015 2001-07-15  Neil Booth  <neil@daikokuya.demon.co.uk>
4016
4017         * dbxout.c (dbxout_source_line): Make static, update prototype.
4018         (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
4019         (dbxout_init, dbxout_finish, dbxout_source_line,
4020         dbxout_begin_block, dbxout_end_block): Update for new prototypes.
4021         * dbxout.h (dbxout_source_line): Delete.
4022         * debug.c (debug_nothing_file, debug_nothing_file_int,
4023         debug_nothing_file_charstar_rtx): New.
4024         (do_nothing_debug_hooks): Update.
4025         (debug_nothing_void, debug_nothing_charstar_rtx,
4026         dwarf2out_end_epilogue): New.
4027         (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
4028         * debug.h (struct rtx_def): Declare.
4029         (gcc_debug_hooks): New hooks source_line, end_epilogue
4030         and end_function.
4031         (debug_nothing_void, debug_nothing_charstar_rtx,
4032         dwarf2out_end_epilogue): New.
4033         (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
4034         * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
4035         (dwarf2_debug_hooks): Update.
4036         (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
4037         dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
4038         * dwarf2out.h (dwarf2out_source_line): Remove.
4039         * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
4040         Make static, update prototype.
4041         (dwarfout_init, dwarfout_finish, dwarfout_source_line,
4042         dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
4043         (dwarf_debug_hooks): Update.
4044         * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
4045         dwarfout_end_function): Remove.
4046         * final.c (profile_function): Use debug hooks for ending functions
4047         and epilogues.
4048         (output_source_line, final_end_function): Update prototype,
4049         use debug hooks.
4050         (final_start_function, final_scan_insn): Update.
4051         * output.h (sdb_begin_function_line): Remove.
4052         (final_end_function): Update prototype.
4053         * sdbout.c (sdb_begin_function_line): Make static.
4054         (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
4055         (sdbout_source_line): New.
4056         (sdbout_end_epilogue, sdbout_end_function): Make static, update
4057         prototypes.
4058         (sdb_debug_hooks): Update.
4059         (sdbout_init, sdbout_source_line,
4060         sdbout_begin_block, sdbout_end_block): Update for new prototypes.
4061         * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
4062         * toplev.c (compile_file, rest_of_compilation): Update.
4063         * tree.h (dwarf2out_end_epilogue): Move to debug.h.
4064         * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
4065         xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
4066         Update for prototype changes.
4067         * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
4068         xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
4069
4070 2001-07-15  Richard Henderson  <rth@redhat.com>
4071
4072         * config/alpha/alpha.h (TARGET_ABI_OSF): New.
4073         (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
4074         * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
4075         * config/alpha/alpha.c: Likewise.
4076         * config/alpha/alpha.md: Likewise.
4077         * config/alpha/alpha32.h: Likewise.
4078         * config/alpha/vms.h: Likewise.
4079         (OPEN_VMS): Remove.
4080
4081 2001-07-14  Richard Henderson  <rth@redhat.com>
4082
4083         * config/alpha/alpha.md: Use define_constants for unspec values.
4084         Substitute throughout.
4085
4086 2001-07-14  Tim Josling  <tej@melbpc.org.au>
4087
4088         * tree.def (EXPON_EXPR) remove. Never supported anyway.
4089
4090 2001-07-14  John David Anglin  <dave@hiauly1.hia.nrc.ca>
4091
4092         * pa.md: Remove unused constraints from define_split's.
4093
4094 2001-04-14  Richard Henderson  <rth@redhat.com>
4095
4096         * ifcvt.c (find_cond_trap): Test for exit block.
4097
4098 Sun Jul 15 00:50:20 CEST 2001  Jan Hubicka  <jh@suse.cz>
4099
4100         Re-install recently reverted patch.
4101         * emit-rtl.c (try_split): Update mark_jump_label call.
4102         * flow.c (find_sub_basic_blocks): Likewise.
4103         * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
4104         jump_back_p): Kill.
4105         (mark_all_labels): Kill second parameter.
4106         (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
4107         (rebuild_jump_labels, jump_optimize_minimal): Update call
4108         of jump_optimize_1.
4109         (jump_optimize_1): Kill crossjumping code.
4110         (mark_jump_label): Kill cross_jump parameter.
4111         * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
4112         (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
4113         * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
4114          splitting.
4115         * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
4116         DFI_bpro.
4117         (dump_file_info): Likewise.
4118         (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
4119         reorganize passes to do reg-stack first, bb-reorder second.
4120         * invoke.texi (-d letters doc): Remove the jump2 pass.
4121
4122 2001-07-14  Richard Henderson  <rth@redhat.com>
4123
4124         * ifcvt.c (find_cond_trap): New.
4125         (find_if_header): Call it.
4126         (merge_if_block): Relax existing jump sanity check.
4127         * jump.c (jump_optimize_1): Remove conditional trap handling.
4128
4129 2001-07-14  Alan Modra  <amodra@bigpond.net.au>
4130
4131         * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
4132         millicode.
4133         (insn_refs_are_delayed): Correct comment.
4134         * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
4135         * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
4136         instead of r31.  Make associated insn !TARGET_64BIT, and
4137         provide an additional 64-bit insn that clobbers r2.
4138         (divsi3): Likewise.
4139         (udivsi3): Likewise.
4140         (modsi3): Likewise.
4141         (umodsi3): Likewise.
4142
4143 Sat Jul 14 02:58:38 CEST 2001  Jan Hubicka  <jh@suse.cz>
4144
4145         * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
4146
4147         * flow.c (redirect_edge_and_branch_force, split_edge,
4148         try_crossjump_to_edge): Use set_block_for_new_insns.
4149         * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
4150
4151 2001-07-13  H.J. Lu  (hjl@gnu.org)
4152
4153         * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
4154         the correct patch.
4155
4156 2001-07-13  Geoffrey Keating  <geoffk@redhat.com>
4157
4158         Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
4159
4160 2001-07-13  Joseph S. Myers  <jsm28@cam.ac.uk>
4161
4162         * c-common.c (decl_attributes): Take a pointer to the node to
4163         which attributes are to be attached, and a flags argument.
4164         * c-common.h (enum attribute_flags): New.
4165         (decl_attributes): Update prototype.
4166         * c-decl.c (start_decl, push_parm_decl, finish_struct,
4167         finish_enum, start_function): Update calls to decl_attributes.
4168         * c-parse.in (component_declarator, component_notype_declarator,
4169         label): Update calls to decl_attributes.
4170
4171 Fri Jul 13 23:04:00 2001  Denis Chertykov  <denisc@overta.ru>
4172
4173         * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
4174         * config/avr/avr.c (legitimate_address_p): Return value changed
4175         from letter to register classes. For better debugging.
4176
4177 2001-07-13  Kazu Hirata  <kazu@hxi.com>
4178
4179         * jump.c (reversed_comparison_code_parts): Fix comment typos.
4180
4181 2001-07-13  H.J. Lu  (hjl@gnu.org)
4182
4183         * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
4184
4185 2001-07-13  Marc Espie  <espie@cvs.openbsd.org>
4186
4187         * config.gcc (*-*-openbsd*):  Add fragment to compile libgcc
4188         correctly for shared configurations.
4189         * config/t-libgcc-pic:  New.
4190         * config/{i386,m68k,sparc}/t-openbsd:  New.
4191         * config/openbsd.h:  Include cpu_spec in cpp_spec where needed.
4192         Support -shared.  Support debugging libraries with -g.
4193         * config/i386/openbsd.h:  Correct ASM_COMMENT_START.  Ensure dwarf2
4194         frame information does not emit pointer diffs.
4195         * config/sparc/openbsd.h:  Ensure dwarf2 frame information does not
4196         emit pointer diffs.
4197
4198 2001-07-13  Geoffrey Keating  <geoffk@redhat.com>
4199
4200         Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
4201
4202 2001-07-13  David Edelsohn  <edelsohn@gnu.org>
4203
4204         * combine.c (try_combine): Ensure const_int pow2 is positive.
4205
4206 2001-07-13  Hartmut Penner  <hpenner@de.ibm.com>
4207
4208         * config.gcc: Add configuration for s/390.
4209         * config/s390/s390.c: New. Subroutines for code generation.
4210         * config/s390/s390.h: New. Definitions for s/390.
4211         * config/s390/s390-protos.h: New. Prototypes.
4212         * config/s390/linux.h: New. Definitions for linux for s/390.
4213         * config/s390/linux64.h: New. Definitions for linux for zSeries.
4214         * config/s390/t-linux: New. Makefile fragment.
4215         * config/s390/s390.md: New. Machine description for s/390 and zSeries.
4216         * config/s390/fixdfdi.h: New. Fix L_fix*di.
4217
4218 Fri Jul 13 14:46:21 CEST 2001  Jan Hubicka  <jh@suse.cz>
4219
4220         * emit-rtl.c (try_split): Update mark_jump_label call.
4221         * flow.c (find_sub_basic_blocks): Likewise.
4222         * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
4223         jump_back_p): Kill.
4224         (mark_all_labels): Kill second parameter.
4225         (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
4226         (rebuild_jump_labels, jump_optimize_minimal): Update call
4227         of jump_optimize_1.
4228         (jump_optimize_1): Kill crossjumping code.
4229         (mark_jump_label): Kill cross_jump parameter.
4230         * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
4231         (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
4232         * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
4233          splitting.
4234         * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
4235         DFI_bpro.
4236         (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
4237         reorganize passes to do reg-stack first, bb-reorder second.
4238         * invoke.texi (-d letters doc): Remove the jump2 pass.
4239
4240 2001-07-12  Steve Ellcey <sje@cup.hp.com>
4241
4242         * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
4243
4244 Thu Jul 12 17:57:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
4245
4246         * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
4247         basic blocks.
4248         (verify_flow_info): Make diagnostics prettier.
4249
4250 Thu Jul 12 16:48:54 CEST 2001  Jan Hubicka  <jh@suse.cz>
4251
4252         * flow.c (find_basic_blocks_1): Do not emit NOP after call.
4253
4254         * flow.c (outgoing_edges_match): Return early if condition reversal
4255         failed.
4256
4257 2001-07-06  Richard Sandiford  <rsandifo@redhat.com>
4258
4259         * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
4260         (mips_move_2words): When splitting a move into two instructions,
4261         prefix the second address operand with '%D'.
4262
4263 2001-07-12  Neil Booth  <neil@daikokuya.demon.co.uk>
4264
4265         * Makefile.in (final.o): Depend on debug.h.
4266         * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
4267         (dbx_debug_hooks): Add new hooks.
4268         (xcoff_debug_hooks): New.
4269         * debug.c (debug_nothing_file_int_int): New.
4270         (do_nothing_debug_hooks): Update.
4271         * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
4272         (debug_nothing_file_int_int): New.
4273         * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
4274         static, update prototype.
4275         (dwarf2_debug_hooks): Update.
4276         * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
4277         * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
4278         static, update prototype.
4279         (dwarf_debug_hooks): Update.
4280         * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
4281         * final.c: Include debug.h.
4282         (final_scan_insn): Use debug hooks when beginning and ending blocks.
4283         * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
4284         static, update prototype.
4285         (sdb_debug_hooks): Update.
4286         * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
4287         * toplev.c: Distinguish between xcoff and dbx.
4288
4289         * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
4290         Call all debug hooks, not just dwarf ones.
4291
4292 2001-07-11  Timothy Wall  <twall@redhat.com>
4293
4294         * config.gcc: Add configuration for AIX5/IA64.
4295         * config/ia64/aix.h: New.  AIX5/IA64-specific configuration.
4296         * config/ia64/crt[in].asm: New.  Generic static ctor/dtor
4297         support prefix/suffix code.
4298         * config/ia64/t-aix: New.  Makefile fragment.
4299         * config/ia64/unwind-aix.c: New.  Unwind table entry lookup.
4300
4301 2001-07-11  Kazu Hirata  <kazu@hxi.com>
4302
4303         * recog.c (validate_change): Fix a comment typo.
4304
4305 2001-07-11  Neil Booth  <neil@daikokuya.demon.co.uk>
4306
4307         * Makefile.in (c-lex.o): Wrap long lines.  Depend on debug.h.
4308         * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
4309         hooks directly.
4310         * dbxout.c (dbx_debug_hooks): Add new hooks.
4311         (dbxout_start_new_source_file): Rename dbxout_start_source_file,
4312         make static.
4313         (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
4314         make static.
4315         * dbxout.h (dbxout_start_new_source_file,
4316         dbxout_resume_previous_source_file): Delete.
4317         * debug.c (do_nothing_debug_hooks): Add new hooks.
4318         (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
4319         (debug_nothing_int_charstar, debug_nothing_int): New.
4320         * debug.h (gcc_debug_hooks): New hooks define, undef,
4321         start_source_file and end_source_file.
4322         (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
4323         (debug_nothing_int_charstar, debug_nothing_int): New.
4324         * dwarf2out.c (dwarf2_debug_hooks): Add new hooks.  Move into
4325         the conditionally compiled section.
4326         (dwarf2out_start_source_file, dwarf2out_end_source_file,
4327         dwarf2out_define, dwarf2out_undef): Make static.
4328         * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
4329         dwarf2out_define, dwarf2out_undef): Remove.
4330         * dwarfout.c (dwarf_debug_hooks): Add new hooks.
4331         (dwarfout_start_source_file, dwarfout_end_source_file,
4332         dwarfout_define, dwarfout_undef): Make static.
4333         (dwarfout_start_source_file_check,
4334         dwarfout_end_source_file_check): New.
4335         (dwarfout_define, dwarfout_finish): Update.
4336         * dwarfout.h (dwarfout_start_new_source_file,
4337         dwarfout_resume_previous_source_file, dwarfout_define,
4338         dwarfout_undef): Remove.
4339         * sdbout.c (sdb_debug_hooks): Add new hooks.
4340         (sdbout_start_new_source_file): Rename sdbout_start_source_file,
4341         make static.
4342         (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
4343         make static, take an arg.
4344         * sdbout.h (sdbout_start_new_source_file,
4345         sdbout_resume_previous_source_file): Delete.
4346         * toplev.c (debug_start_source_file, debug_end_source_file,
4347         debug_define, debug_undef): Delete.
4348         * toplev.h (debug_start_source_file, debug_end_source_file,
4349         debug_define, debug_undef): Delete.
4350
4351         * java/jcf-parse.c: Include debug.h.
4352         (parse_class_file): Update to use debug hooks directly.
4353         * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
4354
4355 Wed Jul 11 10:07:18 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4356
4357         * alias.c (set_mem_alias_set): New function.
4358         * rtl.h (set_mem_alias_set): Declare it.
4359         * builtins.c (expand_builtin_return_addr): Call it instead of
4360         using MEM_ALIAS_SET accessor.
4361         (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
4362         (get_memory_rtx, expand_builtin_va_arg): Likewise.
4363         (expand_builtin_va_copy):Likewise.
4364         * caller-save.c (setup_save_areas): Likewise.
4365         * calls.c (compute_argument_addresses): Likewise.
4366         * explow.c (set_mem_attributes): Likewise.
4367         * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
4368         (expand_assignment, store_constructor_field, store_field): Likewise.
4369         (expand_expr_unaligned): Likewise.
4370         * function.c (assign_stack_temp_for_type): Likewise.
4371         (put_reg_into_stack, gen_mem_addressof): Likewise.
4372         * ifcvt.c (noce_try_cmove_arith): Likewise.
4373         * reload1.c (reload, alter_reg): Likewise.
4374         * config/alpha/alpha.c (get_aligned_mem): Likewise.
4375         (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
4376         (alpha_expand_unaligned_store): Likewise
4377         (alpha_expand_unaligned_load_words): Likewise.
4378         (alpha_expand_unaligned_store_words): Likewise.
4379         (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
4380         (alpha_expand_epilogue): Likewise.
4381         * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
4382         * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
4383         * config/i386/i386.c (legitimize_pic_address): Likewise.
4384         * config/i960/i960.c (setup_incoming_varargs): Likewise.
4385         * config/ia64/ia64.c (spill_restore_mem): Likewise.
4386         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
4387         * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
4388         * config/mips/mips.c (mips_va_arg): Likewise.
4389         * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
4390         * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
4391         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
4392         (setup_incoming_varargs, rs6000_va_arg): Likewise.
4393         (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
4394         (rs6000_emit_epilogue): Likewise.
4395         * config/sh/sh.c (sh_builtin_saveregs): Likewise.
4396         * config/sparc/sparc.c (sparc_va_arg): Likewise.
4397         * config/v850/v850.c (v850_va_arg): Likewise.
4398
4399 Wed Jul 11 21:27:25 CEST 2001  Jan Hubicka  <jh@suse.cz>
4400
4401         * flow.c (merge_blocks_move_successor_nojumps): Do not crash
4402         when fallthru edge is present.
4403         (mege_blocks): Handle case where creation of jump insn
4404         is required.
4405
4406         * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
4407         CLEANUP_POST_REGSTACK): New constants.
4408         * except.c (finish_eh_generation): Update call of cleanup_cfg,
4409         * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
4410         * output.h (cleanup_cfg): Update prototype.
4411         * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
4412         * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
4413         cleanup_cfg call; kill missleading comment.
4414         * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
4415         * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
4416         parameter; control optimizations performed using it.
4417         (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
4418         try_crossjump_bb): New functions.
4419
4420 2001-07-11  John David Anglin  <dave@hiauly1.hia.nrc.ca>
4421
4422         * pa.c (pa_output_function_prologue): Delete prototype.  Make function
4423         extern.
4424         * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
4425         pa_output_function_prologue.
4426         * pa-protos.h (pa_output_function_prologue): New prototype.
4427
4428 2001-07-11  John David Anglin  <dave@hiauly1.hia.nrc.ca>
4429
4430         * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
4431         and low to get correct sign extension in low+high test.
4432
4433 2001-07-11  Janis Johnson <janis@us.ibm.com>
4434
4435         * gcov.c (arcdata): Use gcov_type to fix branch percentage
4436         for large hit count.
4437
4438         * profile.c (branch_prob): Fix .bbg info for computed gotos
4439         and C++ EH code.
4440
4441 2001-07-11  Mark Mitchell  <mark@codesourcery.com>
4442
4443         * stmt.c (parse_output_constraint): New function, split out
4444         from ...
4445         (expand_asm_operands): ... here.  Use parse_output_constraint.
4446         * tree.h (parse_output_constraint): Declare it.
4447
4448 2001-07-11  Richard Henderson  <rth@redhat.com>
4449
4450         * bitmap.c: Comment some functions; fiddle whitespace.
4451         (bitmap_free): Don't export.
4452         (bitmap_element_allocate): Use memset.
4453         * bitmap.h (bitmap_free): Don't declare.
4454
4455 2001-07-11  Daniel Berlin  <dan@cgsoftware.com>
4456
4457         * gcse.c, lcm.c, sched-deps.c:
4458         s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
4459
4460         * flow.c (flow_loops_find): Free dom if we found no loops, since
4461         we aren't going to save it.
4462
4463         * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
4464         done.
4465
4466 Wed Jul 11 09:00:48 2001  Jeffrey A Law  (law@cygnus.com)
4467
4468         * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
4469
4470 Wed Jul 11 10:07:18 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4471
4472         * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
4473         #ifndef DWARF2_DEBUGGING_INFO.
4474
4475 2001-07-11  Richard Sandiford  <rsandifo@redhat.com>
4476
4477         * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
4478
4479 2001-07-11  Richard Sandiford  <rsandifo@redhat.com>
4480
4481         * config/mips/mips.c (gen_int_relational): Tell the caller not to
4482         reverse a branch if a NE comparison is implemented with GTU.
4483
4484 2001-07-11  Richard Sandiford  <rsandifo@redhat.com>
4485             H.J. Lu  <hjl@gnu.org>
4486
4487         * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
4488         constant addresses.
4489         (call_internal2): Likewise.
4490         (call_value_internal1): Likewise.
4491         (call_value_internal2): Likewise.
4492         (call_value_multiple_internal1): Likewise.
4493         (call_value_multiple_internal2): Likewise.
4494
4495 2001-07-10  Kazu Hirata  <kazu@hxi.com>
4496
4497         * calls.c (emit_library_call_value_1): Fix a comment typo.
4498         * dwarf2out.c (mem_loc_descriptor): Likewise.
4499         * config/i386/i386.c (ix86_expand_aligntest): Likewise.
4500
4501 2001-07-11  David Billinghurst <David.Billinghurst@riotinto.com>
4502
4503         * simplify-rtx.c (simplify_subreg): Fix typo in comment
4504
4505 Tue Jul 10 07:27:53 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4506
4507         * recog.c (offsettable_address_p): Handle LO_SUM case.
4508         * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
4509         instead of plus_constant.
4510
4511 2001-07-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
4512
4513         * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
4514         fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
4515
4516 Tue Jul 10 07:27:53 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4517
4518         * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
4519         adjust_address_nv instead of plus_constant.
4520
4521 2001-07-10  Neil Booth  <neil@daikokuya.demon.co.uk>
4522
4523         * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
4524         dwarf2out.o): Depend on debug.h, wrap long lines.
4525         * dbxout.c: Include debug.h.
4526         (dbx_debug_hooks): New.
4527         (dbxout_init): Make static, take just 2 args.
4528         (dbxout_finish): Make static.
4529         * dbxout.h (dbxout_init, dbxout_finish): Delete.
4530         * debug.c: New file.
4531         * debug.h: New file.
4532         * dwarf2out.c: Include debug.h.
4533         (dwarf2_debug_hooks): New.
4534         (dwarf2out_init): Make static.
4535         (dwarf2out_finish): Make static, take 2 args.
4536         * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
4537         * dwarfout.c: Include debug.h.
4538         (dwarf_debug_hooks): New.
4539         (dwarfout_init): Make static.
4540         (dwarfout_finish): Make static, take 2 args.
4541         * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
4542         * sdbout.c: Include debug.h.
4543         (sdb_debug_hooks): New.
4544         (sdbout_init): Make static, take 2 args.
4545         * sdbout.h (sdbout_init): Delete.
4546         * toplev.c: Include debug.h.
4547         (debug_hooks): New.
4548         (compile_file): Set deubg_hooks based on command line options.
4549         Use the hooks unconditionally rather than conditional compilation.
4550
4551 Tue Jul 10 09:04:45 2001  Jeffrey A Law  (law@cygnus.com)
4552
4553         * ssa-ccp.c (first_phi_node): Remove.  Replace uses with calls to
4554         first_insn_after_basic_block_note instead.
4555
4556         * df.c (df_bb_refs_unlink): #if 0 out for now.
4557
4558 2001-07-10  David Billinghurst <David.Billinghurst@riotinto.com
4559
4560         * ssa.h: Add prototype for ssa_const_prop
4561         * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
4562         (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
4563         (ssa_fast_dce): Remove unused variable
4564
4565 2001-07-10  Gabriel Dos Reis  <gdr@merlin.codesourcery.com>
4566
4567         * diagnostic.c (finish_diagnostic): Rename to
4568         diagnostic_finish. Make it take an 'output_buffer *'.  Adjust
4569         calls thourghout.
4570
4571 2001-07-10  Jason Merrill  <jason_merrill@redhat.com>
4572
4573         * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
4574         .loc support.
4575
4576         * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
4577         (dump_file): Only pad the demangled name with spaces if the
4578         mangled name was padded with spaces.
4579
4580 2001-07-10  Bernd Schmidt  <bernds@redhat.com>
4581
4582         * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
4583         edge detection.
4584
4585 Tue Jul 10 07:27:53 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4586
4587         * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
4588         extraction if no direct load if either EXPAND_CONST_ADDRESS or
4589         EXPAND_INITIALIZER.
4590
4591         * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
4592         whether can put offset inside LO_SUM to check mode alignment, not size.
4593
4594 2001-07-10  Gabriel Dos Reis  <gdr@merlin.codesourcery.com>
4595
4596         * doc/tm.texi (Misc): Fix thinko.
4597
4598 2001-07-10  Jan van Male  <jan.vanmale@fenk.wau.nl>
4599
4600         * regmove.c (replace_in_call_usage): Fix warnings.
4601         * sched-deps.c (add_dependence): Fix warnings.
4602         * simplify-rtx.c (simplify_subreg): Likewise.
4603         Return NULL_RTX instead of NULL.
4604
4605         * reg-stack.c (emit_swap_insn): Eliminate warnings.
4606         (subst_asm_stack_regs): Likewise.
4607
4608         * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
4609         warnings.
4610
4611         * dwarf2out.c (output_call_frame_info): Declare i as int.
4612         (build_abbrev_table): Declare n_alloc as int.
4613         (dwarf2out_finish): Initialize die.
4614         * except.c: Declare sjlj_funcdef_number as unsigned.
4615         (connect_post_landing_pads): Declare j as unsigned.
4616         (convert_to_eh_region_ranges): Initialize call_site.
4617         (output_function_exception_table): Initialize tt_format_size.
4618         * expr.c (move_by_pieces_1): Initialize to1.
4619         (store_constructor): Initialize minelt and maxelt.
4620         * flow.c (mark_regs_live_at_end): Declare i as unsigned.
4621         * function.c (instantiate_decls): Avoid signed/unsigned warning.
4622
4623         * c-decl.c (combine_parm_decls): Unused, remove.
4624         * c-tree.h: Remove prototype for combine_parm_decls.
4625
4626         * reload.c (push_reload): Fix warning.
4627         (regno_clobbered_p): Likewise.
4628         * reload1.c (replace_pseudos_in_call_usage): Likewise.
4629         (reload_combine): Likewise.
4630
4631         * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
4632         * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
4633         warnings.
4634         * bitmap.c (bitmap_operation): Change user.
4635         * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
4636
4637 2001-07-10  Eric Christopher  <echristo@redhat.com>
4638
4639         * config/mips/mips.c (override_options): Fix typo.
4640
4641 2001-07-09  Stan Shebs  <shebs@apple.com>
4642
4643         * target.h (struct gcc_target): New fields init_builtins and
4644         expand_builtin.
4645         * target-def.h (TARGET_INIT_BUILTINS): New macro.
4646         (TARGET_EXPAND_BUILTIN): New macro.
4647         (TARGET_INITIALIZER): Add them.
4648         * builtins.c: Include target.h.
4649         (expand_builtin): Use targetm.expand_builtin.
4650         (default_init_builtins): New function.
4651         (default_expand_builtin): New function.
4652         * expr.h (default_init_builtins): Declare.
4653         (default_expand_builtin): Declare.
4654         * c-common.c (c_common_nodes_and_builtins): Use
4655         targetm.init_builtins.
4656         * defaults.h (MD_INIT_BUILTINS): Remove.
4657         * Makefile.in (builtins.o): Depend on target.h.
4658
4659         * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
4660         (TARGET_EXPAND_BUILTIN): Define.
4661         * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
4662         (MD_EXPAND_BUILTIN): Remove.
4663
4664         * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
4665         (TARGET_EXPAND_BUILTIN): Define.
4666         (c4x_init_builtins): Make endlink arg a local.
4667         (c4x_print_operand): Fix typos in adjust_address usages.
4668         * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
4669         * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
4670         (MD_EXPAND_BUILTIN): Remove.
4671
4672         * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
4673         (TARGET_EXPAND_BUILTIN): Define.
4674         (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
4675         (ix86_init_builtins): Call new function only if TARGET_MMX.
4676         * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
4677         * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
4678         (MD_EXPAND_BUILTIN): Remove.
4679
4680         * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
4681         (TARGET_EXPAND_BUILTIN): Define.
4682         * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
4683         (MD_EXPAND_BUILTIN): Remove.
4684
4685         * doc/tm.texi: Document these changes.
4686
4687 2001-07-09  Diego Novillo  <dnovillo@redhat.com>
4688
4689         * basic-block.h (tree_node): Forward declare if needed.
4690         (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
4691         (BLOCK_HEAD_TREE): Define.
4692         (BLOCK_END_TREE): Define.
4693         (struct loops): Rename field 'tree' to 'tree_root'.
4694         * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
4695         'end_tree'.
4696         (flow_loops_tree_build): Rename reference to field 'tree' to
4697         'tree_root'.
4698         (flow_loops_level_compute): Ditto.
4699         * predict.c (estimate_bb_frequencies): Ditto.
4700         * tree.h (struct tree_common): Add field 'aux'.
4701
4702 2001-07-09  Stan Shebs  <shebs@apple.com>
4703
4704         * config/darwin.c (darwin_encode_section_info): Don't mark any
4705         DECL_EXTERNAL node as defined.
4706
4707 2001-07-09  John David Anglin  <dave@hiauly1.hia.nrc.ca>
4708
4709         * pa.c (pa_init_machine_status, pa_mark_machine_status,
4710         pa_free_machine_status, hppa_init_pic_save): Delete.
4711         (hppa_pic_save_rtx): New.  Use get_hard_reg_initial_val.
4712         (hppa_profile_hook): Use hppa_pic_save_rtx.
4713         * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
4714         hppa_init_pic_save): Delete.
4715         (hppa_pic_save_rtx): Declare.
4716         * pa.md (call, call_value, sibcall, sibcall_value,
4717         builtin_setjmp_receiver): Use hppa_pic_save_rtx.
4718
4719 2001-07-09  Kazu Hirata  <kazu@hxi.com>
4720
4721         * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
4722         * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
4723
4724 2001-07-09  Andreas Jaeger  <aj@suse.de>
4725
4726         * output.h: Add declaration of final_forward_branch_p.
4727
4728         * config/i386/i386.c (output_fix_trunc): Remove unused variable.
4729
4730         * varray.c: Include errors.h for internal_error and trim_filename
4731         declarations.
4732
4733         * Makefile.in (varray.o): Add errors.h.
4734
4735 2001-07-09  Toon Moene  <toon@moene.indiv.nluug.nl>
4736
4737         * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
4738         * optabs.c (have_add2_insn): Check whether the add insn chosen
4739         really accepts the operands.  (have_sub2_insn): Ditto for sub insn.
4740         * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
4741
4742 Mon Jul  9 13:26:40 2001  Jeffrey A Law  (law@cygnus.com)
4743
4744         * Makefile.in (OBJS): Add ssa-ccp.o
4745         (ssa-ccp.o): Add dependencies.
4746         * toplev.c (DFI_ssa_ccp): New dump file enum.
4747         (dump_file): Add entry for dumping after SSA CCP.
4748         (flag_ssa_ccp): New flag variable.
4749         (f_options): Add -fssa-ccp.
4750         (rest_of_compilation): Run SSA CCP if requested.
4751         * timevar.def (TV_SSA_CCP): New timevar.
4752         * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
4753         * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
4754         Fix minor typo in SSA DCE documentation.
4755         * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
4756         Add documentation for new dump option.  Renumber dump files
4757         appropriately.
4758
4759 Mon Jul  9 21:36:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
4760
4761         * emit-rtl.c (gen_highpart_mode): New.
4762         * rtl.h (gen_highpart_mode): Declare.
4763         * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
4764         operand can be VOIDmode constant.
4765
4766 Mon Jul  9 17:23:10 CEST 2001  Jan Hubicka  <jh@suse.cz>
4767
4768         * flow.c (redirect_edge_and_branch_force): New.
4769         (can_fallthru): Ensure that basic blocks are succeeding.
4770         (try_optimize_cfg): Do not delete basic block if it is the last one.
4771
4772         * flow.c (try_redirect_by_replacing_jump): Do not remove
4773         jumps with side effects, unlink chain on fallthru edge;
4774         set block for new jump instruction; avoid basic block to
4775         over by line number note.
4776
4777         * flow.c (try_simplify_condjump): Verify that the condjump
4778         is not always falling trought.
4779
4780         Re-install patch:
4781         * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
4782
4783         * flow.c (forwarder_block_p): Fix for fallthru blocks.
4784         (try_redirect_by_replacing_jump): Update properly the count
4785         and frequency information.
4786
4787 Mon Jul  9 06:41:07 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4788
4789         * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
4790         address that is a LO_SUM specially.
4791         * explow.c (plus_constant_wide, case LO_SUM): Deleted.
4792
4793         * c-lang.c (start_cdtor): Remove extra parameter from start_function.
4794
4795         * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
4796         (operand_subword): Use them.
4797         (change_address_1): Renamed from change_address; new arg VALIDATE.
4798         * expr.h: Reflect above changes; change_address now macro.
4799         * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
4800         making MEM.
4801         * cselib.c (add_mem_for_addr): Likewise.
4802         * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
4803         * regmove.c (try_apply_stack_adjustment): Likewise.
4804         * reload.c (push_reload, make_memloc): Likewise.
4805         * reload1.c (eliminate_regs): Likewise.
4806         * simplify-rtx.c (simplify_replace_rtx): Likewise.
4807         * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
4808         adjust_addess.
4809         * combine.c (make_extraction, simplify_shift_const): Likewise.
4810         (gen_lowpart_for_combine): Likewise.
4811         * cse.c (gen_lowpart_if_possible): Likewise.
4812         * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
4813         * expr.c (expand_expr, case COMPONENT_REF): Likewise.
4814         * optabs.c (gen_move_insn): Likewise.
4815         * reload1.c (alter_reg): Likewise.
4816         * simplify-rtx.c (simplify_subreg): Likewise.
4817         * stmt.c (expand_anon_union_decl): Likewise.
4818         * recog.c (validate_replace_rtx_1): Likewise.
4819         (expr.h): Include.
4820         * Makefile.in (recog.o): Add $(EXPR_H).
4821         * explow.c (stabilize): Call replace_equiv_address.
4822         * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
4823         * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
4824
4825 2001-07-03  Andrew Haley  <aph@redhat.com>
4826
4827         * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
4828         the mode of the memory location.
4829
4830 2001-07-09  Bo Thorsen  <bo@suse.co.uk>
4831
4832         * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
4833
4834 2001-07-09  Neil Booth  <neil@daikokuya.demon.co.uk>
4835
4836         * final.c (output_addr_const): Use target opening and
4837         closing parentheses.
4838         * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
4839         defaults, add to TARGET_ASM_OUT.
4840         * target.h (struct gcc_target): Add open_paren and close_paren.
4841         * doc/md.texi: Update.
4842         * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
4843         TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
4844         TARGET_ASM_CLOSE_PAREN.
4845         * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
4846         Override.
4847         * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
4848         Override.
4849         * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
4850         * config/a29k/a29k.h: Similarly.
4851         * config/alpha/alpha.h: Similarly.
4852         * config/arc/arc.h: Similarly.
4853         * config/arm/aof.h: Similarly.
4854         * config/arm/aout.h: Similarly.
4855         * config/avr/avr.h: Similarly.
4856         * config/c4x/c4x.h: Similarly.
4857         * config/clipper/clipper.h: Similarly.
4858         * config/convex/convex.h: Similarly.
4859         * config/d30v/d30v.h: Similarly.
4860         * config/dsp16xx/dsp16xx.h: Similarly.
4861         * config/elxsi/elxsi.h: Similarly.
4862         * config/fr30/fr30.h: Similarly.
4863         * config/h8300/h8300.h: Similarly.
4864         * config/i370/i370.h: Similarly.
4865         * config/i386/i386.h: Similarly.
4866         * config/i860/i860.h: Similarly.
4867         * config/i960/i960.h: Similarly.
4868         * config/ia64/ia64.h: Similarly.
4869         * config/m32r/m32r.h: Similarly.
4870         * config/m68hc11/m68hc11.h: Similarly.
4871         * config/m68k/m68k.h: Similarly.
4872         * config/m88k/m88k.h: Similarly.
4873         * config/mcore/mcore.h: Similarly.
4874         * config/mips/mips.h: Similarly.
4875         * config/mn10200/mn10200.h: Similarly.
4876         * config/mn10300/mn10300.h: Similarly.
4877         * config/ns32k/ns32k.h: Similarly.
4878         * config/pa/pa.h: Similarly.
4879         * config/pdp11/pdp11.h: Similarly.
4880         * config/pj/pj.h: Similarly.
4881         * config/romp/romp.h: Similarly.
4882         * config/rs6000/rs6000.h: Similarly.
4883         * config/sh/sh.h: Similarly.
4884         * config/sparc/sparc.h: Similarly.
4885         * config/v850/v850.h: Similarly.
4886         * config/vax/vax.h: Similarly.
4887         * config/we32k/we32k.h: Similarly.
4888
4889 2001-07-09  Joseph S. Myers  <jsm28@cam.ac.uk>
4890
4891         * doc/c-tree.texi: Document representation of attributes.
4892
4893 2001-07-08  Joseph S. Myers  <jsm28@cam.ac.uk>
4894
4895         * doc/tm.texi: Update some places for the rename of target to
4896         targetm.  Fix typo.
4897
4898 2001-07-08  Joseph S. Myers  <jsm28@cam.ac.uk>
4899
4900         * target.h (struct gcc_target): Add insert_attributes.
4901         * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
4902         (TARGET_INITIALIZER): Update.
4903         * tree.c, tree.h (default_insert_attributes): New function.
4904         Update comments on other default functions to refer to targetm,
4905         not target.
4906         * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
4907         TARGET_INSERT_ATTRIBUTES.
4908         (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
4909         * c-common.c (decl_attributes): Use targetm.insert_attributes.
4910         Don't use PRAGMA_INSERT_ATTRIBUTES.
4911         * Makefile.in (c-common.o): Depend on $(TARGET_H).
4912         * c-decl.c (start_decl, start_function): Don't call
4913         SET_DEFAULT_DECL_ATTRIBUTES.
4914         * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
4915         * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
4916         declare.
4917         * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
4918         (c4x_check_attribute): Avoid modifying attribute list itself.
4919         (c4x_set_default_attributes): Rename to c4x_insert_attributes.
4920         Make static.
4921         * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
4922         * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
4923         declare.
4924         * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
4925         (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
4926         Make static.
4927         * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
4928         * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
4929         declare.
4930         * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
4931         (v850_set_default_decl_attr): Rename to v850_insert_attributes.
4932         Adjust parameters.  Make static.
4933
4934 2001-07-08  Joseph S. Myers  <jsm28@cam.ac.uk>
4935
4936         * c-common.c (decl_attributes): Only take a single attributes
4937         parameter.
4938         * c-common.h (decl_attributes): Update prototype.
4939         * c-decl.c (start_decl, start_function): Only take a single
4940         attributes parameter.  Update calls to decl_attributes.
4941         (finish_struct, finish_enum): Update calls to decl_attributes.
4942         (push_parm_decl): Expect unified list of attributes.  Update call
4943         to decl_attributes.
4944         * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
4945         notype_nested_function, component_declarator,
4946         component_notype_declarator, label): Update calls to
4947         decl_attributes.
4948         (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
4949         lists that are passed to push_parm_decl.
4950         * c-tree.h (start_function, start_decl): Update prototypes.
4951         * config/sh/sh-protos.h, config/sh/sh.c
4952         (sh_pragma_insert_attributes): Only take a single attributes
4953         parameter.
4954         * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
4955         * doc/tm.texi (INSERT_ATTRIBUTES): Update.
4956         * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
4957         build_module_descriptor, generate_static_references,
4958         generate_strings, build_selector_translation_table,
4959         generate_descriptor_table, generate_protocols,
4960         generate_ivars_list, generate_dispatch_table,
4961         generate_protocol_list, generate_category,
4962         generate_shared_structures, really_start_method, add_objc_decls,
4963         generate_classref_translation_entry): Update calls to start_decl
4964         and start_function.
4965         (build_tmp_function_decl, start_method_def): Unify attribute lists
4966         that are passed to push_parm_decl.
4967
4968 2001-07-08  Neil Booth  <neil@daikokuya.demon.co.uk>
4969
4970         * final.c (no_asm_to_stream): New.
4971         (final_scan_insn): Use target structures for prologue ends
4972         and epilogue starts.
4973         * output.h (no_asm_to_stream): New.
4974         * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
4975         TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
4976         (TARGET_ASM_OUT): Update.
4977         * target.h (struct gcc_target): New members function_end_prologue
4978         and function_begin_epilogue.
4979         * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
4980         * config/alpha/alpha-protos.h (output_end_prologue): Delete.
4981         * config/alpha/alpha.c (output_end_prologue): Rename to
4982         alpha_output_function_end_prologue.  Use in target struct
4983         and make static.
4984         * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
4985         * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
4986         * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
4987         ia64_output_function_end_prologue.  Use in target struct
4988         and make static.
4989         (ia64_function_prologue, ia64_funciton_epilogue): Rename
4990         mistyped prototypes.
4991         * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
4992         * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
4993         Delete.
4994         * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
4995         an use in target struct, make static.
4996         * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
4997         Delete.
4998
4999 2001-07-08  Richard Henderson  <rth@redhat.com>
5000
5001         * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
5002
5003 2001-07-08  Richard Henderson  <rth@redhat.com>
5004
5005         * config/i386/i386.md: Remove constraints strings from define_split
5006         and define_peephole2 patterns.
5007         (eh_return_si, eh_return_di): Split eh_return_1 for modes.
5008         (eh_return): Use them.
5009
5010 2001-07-08  Richard Henderson  <rth@redhat.com>
5011
5012         * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
5013         Document MD_FALLBACK_FRAME_STATE_FOR.
5014
5015 2001-07-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
5016
5017         * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
5018         Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
5019         elimination.
5020         * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
5021
5022 2001-07-07  Nick Clifton  <nickc@cambridge.redhat.com>
5023
5024         * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
5025         of the label inside NAME as opposed to just the end of NAME.
5026
5027 2001-07-07  Neil Booth  <neil@daikokuya.demon.co.uk>
5028
5029         * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
5030         * config/alpha/alpha.c (alpha_init_machine_status,
5031         alpha_mark_machine_status, alpha_free_machine_status): Delete.
5032         (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
5033         (vms_valid_decl_attribute_p): Make static, conditionally compile.
5034         * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
5035
5036 2001-07-06  Stan Shebs  <shebs@apple.com>
5037
5038         * target.h (targetm): Rename global from "target", so as not to
5039         conflict with local variables.
5040         * c-decl.c: Ditto.
5041         * c-typeck.c: Ditto.
5042         * final.c: Ditto.
5043         * tree.c: Ditto.
5044         * cp/decl.c: Ditto.
5045         * cp/decl2.c: Ditto.
5046         * cp/typeck.c: Ditto.
5047         * 1750a/1750a.c: Ditto.
5048         * a29k/a29k.c: Ditto.
5049         * arc/arc.c: Ditto.
5050         * arm/arm.c: Ditto.
5051         * avr/avr.c: Ditto.
5052         * clipper/clipper.c: Ditto.
5053         * convex/convex.c: Ditto.
5054         * d30v/d30v.c: Ditto.
5055         * dsp16xx/dsp16xx.c: Ditto.
5056         * elxsi/elxsi.c: Ditto.
5057         * fr30/fr30.c: Ditto.
5058         * h8300/h8300.c: Ditto.
5059         * i370/i370.c: Ditto.
5060         * i386/i386.c: Ditto.
5061         * i860/i860.c: Ditto.
5062         * i960/i960.c: Ditto.
5063         * ia64/ia64.c: Ditto.
5064         * m32r/m32r.c: Ditto.
5065         * m68hc11/m68hc11.c: Ditto.
5066         * m68k/m68k.c: Ditto.
5067         * m88k/m88k.c: Ditto.
5068         * mips/mips.c: Ditto.
5069         * ns32k/ns32k.c: Ditto.
5070         * pa/pa.c: Ditto.
5071         * pdp11/pdp11.c: Ditto.
5072         * romp/romp.c: Ditto.
5073         * rs6000/rs6000.c: Ditto.
5074         * sh/sh.c: Ditto.
5075         * sparc/sparc.c: Ditto.
5076         * vax/vax.c: Ditto.
5077         * we32k/we32k.c: Ditto.
5078         * doc/tm.texi: Update the manual to match.
5079
5080 2001-07-06  Richard Henderson  <rth@redhat.com>
5081
5082         * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
5083         DWARF2_UNWIND_INFO not just whether it is defined.
5084
5085 2001-07-06  Diego Novillo  <dnovillo@redhat.com>
5086
5087         * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
5088         call to simplify_binary_operation returns a new pattern.
5089
5090 2001-07-06  Roman Lechtchinsky  <rl@cs.tu-berlin.de>
5091
5092         * glimits.h (__SHRT_MAX__): New.
5093         (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
5094         (SHRT_MAX): Define in terms of __SHRT_MAX__.
5095
5096 2001-07-06  Jan van Male  <jan.vanmale@fenk.wau.nl>
5097
5098         * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
5099         avoid warnings.
5100
5101 2001-07-06  Richard Henderson  <rth@redhat.com>
5102
5103         * bitmap.c (bitmap_release_memory): Move adjacent to the
5104         allocation functions.
5105         (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
5106         the implementation.  Binary search for the set bit.
5107         (bitmap_union_of_diff): Allocate the temporary on the stack
5108         instead of using xmalloc.
5109
5110 2001-07-06  Richard Henderson  <rth@redhat.com>
5111
5112         * genrecog.c (validate_pattern): Warn for constraints in
5113         define_{expand,split,peephole2}.  Remove strict_low_part
5114         before looking up match_dup.
5115
5116 2001-07-06  DJ Delorie  <dj@redhat.com>
5117
5118         * doc/gcc.texi (Makefile): Rename to be a more general purpose
5119         chapter about various build hints and history.  Add section
5120         talking about the various types of native and cross builds.
5121
5122 2001-07-06  Neil Booth  <neil@daikokuya.demon.co.uk>
5123
5124         * Makefile.in (final.o): Depend on target.h.
5125         * final.c: Include target.h.
5126         (default_function_pro_epilogue): New.
5127         (final_start_function): Use target structure for function prologues.
5128         (final_end_function): Use target structure for function epilogues.
5129         * fold-const.c (real_hex_to_f): Constify s and p.
5130         * output.h (default_function_pro_epilogue): New.
5131         * real.h (real_hex_to_f): Update prototype.
5132         * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
5133         TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
5134         (TARGET_INITIALIZER): Update.
5135         * target.h (gcc_target): Add struct asm_out.
5136         * doc/tm.texi: Update.
5137
5138 config:
5139         Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
5140         TARGET_ASM_FUNCTION_EPILOGUE.  Move macro code to functions
5141         in cpu/cpu.c, or rename old functions consistently.  Take
5142         a HOST_WIDE INT not an int as the SIZE parameter.  Remove now
5143         redundant macros and prototypes.  Make new functions static.
5144
5145         * 1750a/1750a.c: Similarly.
5146         * 1750a/1750a.h: Similarly.
5147         * a29k/a29k-protos.h: Similarly.
5148         * a29k/a29k.c: Similarly.
5149         * a29k/a29k.h: Similarly.
5150         * arc/arc-protos.h: Similarly.
5151         * arc/arc.c: Similarly.
5152         * arc/arc.h: Similarly.
5153         * arm/arm-protos.h: Similarly.
5154         * arm/arm.c: Similarly.
5155         * arm/arm.h: Similarly.
5156         * avr/avr-protos.h: Similarly.
5157         * avr/avr.c: Similarly.
5158         * avr/avr.h: Similarly.
5159         * clipper/clipper-protos.h: Similarly.
5160         * clipper/clipper.c: Similarly.
5161         * clipper/clipper.h: Similarly.
5162         * convex/convex.c: Similarly.
5163         * convex/convex.h: Similarly.
5164         * d30v/d30v-protos.h: Similarly.
5165         * d30v/d30v.c: Similarly.
5166         * d30v/d30v.h: Similarly.
5167         * d30v/d30v.md: Similarly.
5168         * dsp16xx/dsp16xx-protos.h: Similarly.
5169         * dsp16xx/dsp16xx.c: Similarly.
5170         * dsp16xx/dsp16xx.h: Similarly.
5171         * elxsi/elxsi.c: Similarly.
5172         * elxsi/elxsi.h: Similarly.
5173         * fr30/fr30.c: Similarly.
5174         * fr30/fr30.md: Similarly.
5175         * h8300/h8300-protos.h: Similarly.
5176         * h8300/h8300.c: Similarly.
5177         * h8300/h8300.h: Similarly.
5178         * i370/i370-protos.h: Similarly.
5179         * i370/i370.c: Similarly.
5180         * i370/i370.h: Similarly.
5181         * i386/i386.c: Similarly.
5182         * i386/osf1elf.h: Similarly.
5183         * i386/osfrose.h: Similarly.
5184         * i860/i860-protos.h: Similarly.
5185         * i860/i860.c: Similarly.
5186         * i860/i860.h: Similarly.
5187         * i960/i960-protos.h: Similarly.
5188         * i960/i960.c: Similarly.
5189         * i960/i960.h: Similarly.
5190         * ia64/ia64-protos.h: Similarly.
5191         * ia64/ia64.c: Similarly.
5192         * ia64/ia64.h: Similarly.
5193         * m32r/m32r-protos.h: Similarly.
5194         * m32r/m32r.c: Similarly.
5195         * m32r/m32r.h: Similarly.
5196         * m68hc11/m68hc11-protos.h: Similarly.
5197         * m68hc11/m68hc11.c: Similarly.
5198         * m68hc11/m68hc11.h: Similarly.
5199         * m68k/crds.h: Similarly.
5200         * m68k/dpx2.h: Similarly.
5201         * m68k/m68k-protos.h: Similarly.
5202         * m68k/m68k.c: Similarly.
5203         * m68k/m68k.h: Similarly.
5204         * m68k/news.h: Similarly.
5205         * m88k/m88k-protos.h: Similarly.
5206         * m88k/m88k.c: Similarly.
5207         * m88k/m88k.h: Similarly.
5208         * mips/mips-protos.h: Similarly.
5209         * mips/mips.c: Similarly.
5210         * mips/mips.h: Similarly.
5211         * ns32k/merlin.h: Similarly.
5212         * ns32k/ns32k.c: Similarly.
5213         * ns32k/ns32k.h: Similarly.
5214         * ns32k/tek6000.h: Similarly.
5215         * pa/pa-protos.h: Similarly.
5216         * pa/pa.c: Similarly.
5217         * pa/pa.h: Similarly.
5218         * pdp11/2bsd.h: Similarly.
5219         * pdp11/pdp11-protos.h: Similarly.
5220         * pdp11/pdp11.c: Similarly.
5221         * pdp11/pdp11.h: Similarly.
5222         * romp/romp-protos.h: Similarly.
5223         * romp/romp.c: Similarly.
5224         * romp/romp.h: Similarly.
5225         * rs6000/rs6000-protos.h: Similarly.
5226         * rs6000/rs6000.c: Similarly.
5227         * rs6000/rs6000.h: Similarly.
5228         * rs6000/sysv4.h: Similarly.
5229         * sh/sh-protos.h: Similarly.
5230         * sh/sh.c: Similarly.
5231         * sh/sh.h: Similarly.
5232         * sparc/sparc-protos.h: Similarly.
5233         * sparc/sparc.c: Similarly.
5234         * sparc/sparc.h: Similarly.
5235         * vax/vax.c: Similarly.
5236         * vax/vax.h: Similarly.
5237         * vax/vms.h: Similarly.
5238         * we32k/we32k.c: Similarly.
5239         * we32k/we32k.h: Similarly.
5240
5241 Fri Jul  6 11:47:59 2001  Jeffrey A Law  (law@cygnus.com)
5242
5243         * basic-block.h (first_insn_after_basic_block_note): Declare.
5244         * flow.c (first_insn_after_basic_block_note): Define.  Moved
5245         from...
5246         * ssa.c (first_insn_after_basic_block_note): Remove.
5247         * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
5248         necessary.
5249         (ssa_eliminate_dead_code): Properly update the CFG and PHI
5250         nodes when we find a dead conditional branch.  Insert BARRIERs
5251         after any blocks with no successors, but which do not have
5252         any BARRIERs.
5253
5254 2001-07-06  Zack Weinberg  <zackw@stanford.edu>
5255
5256         * varray.c (varray_check_failed): Use internal_error.
5257
5258 2001-07-05  Andrew Haley  <aph@redhat.com>
5259
5260         * Makefile.in (LIB2_DIVMOD_FUNCS): New.
5261         (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
5262         * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
5263
5264 2001-07-02  Jason Merrill  <jason_merrill@redhat.com>
5265
5266         * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
5267         reference if the target constant is also a SYMBOL_REF.
5268
5269 2001-07-05  Eric Christopher  <echristo@redhat.com>
5270
5271         * config/mips/mips.h (MASK_MIPS3900): Remove.
5272         (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
5273         MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
5274         (TARGET_MIPS3900): Change to use mips_arch.
5275         (TARGET_MIPS4000): New.
5276         (TARGET_MIPS4100): New.
5277         (TARGET_MIPS4300): New.
5278         (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
5279         (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
5280         for -mipsX.
5281         (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
5282         (ISA_HAS_BRANCHLIKELY): To here.
5283         (CC1_CPU_SPEC):  New.
5284         (CC1_SPEC): Use here.  Remove 4650 and 3900 options.
5285         (mips_arch_string): Declare.
5286         (mips_arch): Declare.
5287         (TARGET_OPTIONS): Add -march and -mtune.
5288
5289         * config/mips/mips.c (mips_arch_string): New.
5290         (mips_arch): New.
5291         (override_options): Handle -march for codegen and -mtune
5292         for scheduling. Use mips_arch. Move tx39 target default here.
5293         (mips_parse_cpu): Move error message to override_options.
5294
5295         * config/mips/r3900.h (TARGET_DEFAULT): Remove.
5296
5297         * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
5298
5299         * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
5300         (MIPS Options): Ditto.  Change mcpu entry to historical text.
5301
5302 2001-07-05  H.J. Lu  (hjl@gnu.org)
5303
5304         * config/mips/mips.c (mips_parse_cpu): New function to parse
5305         -march=*/-mcpu=*.
5306
5307 2001-07-05  Jim Wilson  <wilson@redhat.com>
5308
5309         * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
5310         * config/ia64/t-ia64: Likewise.
5311         (LIB1ASMFUNCS): Update comment.
5312
5313 2001-07-05  David Edelsohn  <edelsohn@gnu.org>
5314
5315         * doc/install.texi (Install GCC: Binaries): Fix typo.
5316
5317 2001-07-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
5318
5319         * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
5320         reference using the stack pointer, adjust it since we push Y
5321         temporarily.
5322         ("*ashrsi3"): Likewise.
5323         ("*lshrsi3"): Likewise.
5324
5325 2001-07-05  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
5326
5327         * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
5328         when -fomit-frame-pointer is used.
5329
5330 2001-07-05  Jeffrey Oldham  <oldham@codesourcery.com>
5331
5332         * flow.c: Reverse Jan Hubicka's patch of 02July2001.
5333         (try_redirect_by_replacing_jump): Reverse updating properly the
5334         count and frequency information.  Reverse removing cc0 setter.
5335         (forwarder_block_p): Reverse fixing for fallthru blocks.
5336
5337 2001-07-05  DJ Delorie  <dj@redhat.com>
5338
5339         * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
5340         (translate_options): If the above is defined, use it to map
5341         given options to new options.
5342         * doc/tm.texi: Document it.
5343
5344 2001-07-05  Brad Lucier <lucier@math.purdue.edu>
5345             Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
5346
5347         * doc/invoke.texi (Optimize Options): Document that -fgcse may
5348         cause programs using computed gotos to run more slowly.
5349
5350 2001-07-05  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5351
5352         * doc/install.texi (Specific): Markup, spelling and typo fixes.
5353         Fixed sorting.
5354         Consistently require binutils 2.11.2, not prereleases.
5355         (Specific, decstation-*): Canonicalize as mips-dec-*.
5356         (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
5357         always necessary.
5358         (Specific, m68k-altos): Removed reference to README.altos, deleted.
5359         (Specific, mips-*): Reword MIPS C compiler requirements.
5360         (Specific, powerpc*-*-*): New, mention --with-cpu once.
5361         (Specific, sunv5): Removed, obsolete.
5362
5363 2001-07-05  Nathan Sidwell  <nathan@codesourcery.com>
5364
5365         * dwarf2out.c (output_loc_list): Use an all ones mask for
5366         .text asm output and don't rely on long long
5367         literals. Reformat some long lines.
5368
5369 2001-07-05  Andreas Jaeger  <aj@suse.de>
5370
5371         * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
5372         section.
5373
5374 2001-07-04  Daniel Berlin  <dan@cgsoftware.com>
5375
5376         * dwarf2out.c (dwarf2out_define): Update comment.
5377         (dwarf2out_undef): Ditto.
5378         (dwarf2out_start_source_file): Ditto.
5379         (dwarf2out_end_source_file): Ditto.
5380         (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
5381         since we never call the start/end debug hook for the primary file.
5382
5383 2001-07-04  Kazu Hirata  <kazu@hxi.com>
5384
5385         * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
5386         from shll.
5387
5388 2001-07-04  Nathan Sidwell  <nathan@codesourcery.com>
5389
5390         * cppinit.c (remove_dup_dirs): Inform if a system include
5391         directory is being reordered.
5392         * doc/invoke.texi (Directory Options): GCC warns if you hide a
5393         system include.
5394         * doc/cpp.texi (Search Paths): Likewise.
5395         * doc/gcc.texi (Interoperation): Remove information about
5396         -I/usr/include.
5397
5398 2001-07-04  Nathan Sidwell  <nathan@codesourcery.com>
5399
5400         * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
5401         (VARRAY_TOP_CHAR_PTR): Likewise.
5402
5403 2001-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5404
5405         * gcc.c (process_command): Don't assign elements of a const char*.
5406
5407 Wed Jul  4 13:40:02 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5408
5409         * emit-rtl.c (change_address): Don't abort if invalid address while
5410         reload is in progress.
5411
5412 2001-07-04  Daniel Berlin  <dan@cgsoftware.com>
5413
5414         * c-lex.c (cb_file_change): Pass line number to
5415         debug_start_source_file.
5416         (cb_undefine): Pass correct line number to debug_undef.
5417
5418         * toplev.c (debug_start_source_file): Add line number to
5419         parameters. Pass it along to dwarf2out_start_source_file.
5420         (decode_g_option): Stop resetting debug level back to normal when
5421         we change debug formats, unless the current level is
5422         none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
5423         3).
5424
5425         * toplev.h (debug_start_source_file): Add line number to
5426         parameters.
5427
5428         * dwarf2out.h (dwarf2out_start_source_file): Add line number to
5429         parameters.
5430
5431         * dwarf2out.c (dwarf2out_start_source_file): Add line number to
5432         parameters.
5433         Output debug_macinfo data for starting file if requested.
5434         (dwarf2out_end_source_file): Output debug_macinfo data for ending
5435         file if requested.
5436         (dwarf2out_define): Output debug_macinfo data for defining a macro
5437         if requested.
5438         (dwarf2out_undef): Output debug_macinfo data for undefining a
5439         macro if requested.
5440         (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
5441         (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
5442         (macinfo_section_label): New. DWARF2 macro info section label.
5443         (dwarf2out_init): If we want macro info, output the start label
5444         for the section.
5445         (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
5446         attribute to the compilation unit die pointing to the macro info.
5447
5448 2001-07-04  Daniel Berlin  <dan@cgsoftware.com>
5449
5450         * dwarf2out.c (new_loc_list): Move to inside #ifdef
5451         DWARF2_DEBUGGING_INFO.
5452         (add_loc_descr_to_loc_list): Ditto.
5453         (output_loc_list): Ditto.
5454         Also, fix thinko in curr not being initialized.
5455         (gen_internal_sym): Ditto.
5456
5457 Wed Jul  4 13:40:02 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5458
5459         * emit-rtl.c (replace_equiv_address): New function.
5460         * expr.h (replace_equiv_address): New declaration.
5461         * explow.c (validize_mem): Call it instead of change_address and
5462         also call if -fforce-addr and address is constant.
5463         * expr.c: Replace more calls to change_address with adjust_address
5464         and/or replace_equiv_address or to validize_mem.
5465         * function.c, regmove.c, config/alpha/alpha.c: Likewise.
5466         * config/arm/arm.md, config/clipper/clipper.md: Likewise.
5467         * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
5468         * config/i370/i370.md, config/i860/i860.md: Likewise.
5469         * config/i960/i960.md, config/mips/mips.c: Likewise.
5470         * config/mips/mips.md, config/pa/pa.md: Likewise.
5471         * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
5472         * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
5473
5474 2001-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5475
5476         * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
5477
5478         * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
5479         function.
5480
5481 2001-07-04  Joseph S. Myers  <jsm28@cam.ac.uk>
5482
5483         * doc/include: New directory.
5484         * doc/fdl.texi: Move to doc/include/fdl.texi.
5485         * doc/texinfo.tex: Move to doc/include/texinfo.tex.
5486         * doc/include/funding.texi, doc/include/gpl.texi: New files.
5487         * doc/gcc.texi: Use funding.texi and gpl.texi.
5488         * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
5489         $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
5490         Update dependencies and use -I $(docdir)/include.
5491
5492 2001-07-04  Anthony Green  <green@redhat.com>
5493
5494         * config/v850/t-v850 (v850-c.o): Add missing dependencies.
5495
5496 2001-07-04  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
5497
5498         * doc/install.texi (sparc64-*-*): Remove garbage.
5499
5500 Wed Jul  4 09:07:44 2001  Jan van Male  <jan.vanmale@fenk.wau.nl>
5501
5502         * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
5503         Fix typo in last change to use adjust_address.
5504
5505 2001-07-04  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
5506
5507         * doc/install.texi (Specific): Update information for *-*-solaris*.
5508
5509 Tue Jul  3 22:33:15 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5510
5511         * explow.c (plus_constant_wide): Reinitialize Y for restart.
5512
5513 2001-07-03  Stan Shebs  <shebs@apple.com>
5514
5515         * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
5516         case for flag_no_mach_text_sections.
5517         (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
5518         * config/darwin.c (flag_no_mach_text_sections): Remove.
5519         * config/darwin-protos.h (darwin_init_pragma): Remove decl.
5520
5521 Tue Jul  3 15:35:52 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5522
5523         * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
5524         and avoid checking for constant as first operand.
5525         * recog.c (find_constant_term_loc): No longer static.
5526         (adj_offettable_operand): Delete.
5527         * rtl.h (adj_offsettable_operand): Delete declaration.
5528         (find_constant_term): Add declaration.
5529         * caller-save.c: Replace calls to adj_offsettable_operand with calls
5530         to adjust_address.
5531         * config/arm/arm.c, config/c4x/c4x.c: Likewise.
5532         * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
5533         * config/i386/i386.c, config/i386/i386.md: Likewise.
5534         * config/i860/i860.c, config/i960/i960.c: Likewise.
5535         * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
5536         * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
5537         * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
5538         * config/mips/mips.c, config/mips/mips.md: Likewise.
5539         * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
5540         * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
5541         * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
5542         * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
5543         * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
5544         * config/ns32k/ns32k.md: Likewise.
5545
5546 2001-07-03  Zack Weinberg  <zackw@stanford.edu>
5547
5548         * rtl.c (copy_rtx): Handle 'T' format letter.
5549         * gensupport.c (collect_insn_data): Likewise.
5550         * print-rtl.c (print_rtx): Print 'T' slots like 's'.
5551
5552 2001-07-03  Nick Clifton  <nickc@cambridge.redhat.com>
5553
5554         * doc/invoke.texi (Directory Options): Specifiy range for <N> in
5555         -B option.  Use 'dir' not 'foo' as example directory name.
5556
5557 2001-07-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5558
5559         * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
5560         Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
5561
5562 2001-07-03  Joseph S. Myers  <jsm28@cam.ac.uk>
5563
5564         * doc/cppinternals.texi: Improve formatting and logical markup.
5565
5566 2001-07-03  Andreas Jaeger  <aj@suse.de>
5567
5568         * Makefile.in (insn-recog.o): Add dependency on reload.h.
5569
5570         * genrecog.c (write_header): Include reload.h for prototypes in
5571         insn-recog.c.
5572
5573 2001-07-03  Neil Booth  <neil@daikokuya.demon.co.uk>
5574
5575 config:
5576         * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
5577         VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
5578         * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
5579         i386_pe_valid_type_attribute_p): Add.
5580         * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
5581         * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
5582
5583 Mon Jul  2 21:52:19 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5584
5585         * explow.c (plus_constant_wide, case LO_SUM): New case.
5586         (plus_constant_for_output_wide): Delete.
5587         * rtl.h (plus_constant_for_output): Delete.
5588         * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
5589         instead of plus_constant_for_output.
5590         * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
5591         * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
5592         * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
5593         * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
5594         * config/sparc/sparc.md: Likewise.
5595         Convert some change_address calls to adjust_address.
5596
5597 2001-07-03  Joseph S. Myers  <jsm28@cam.ac.uk>
5598
5599         * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
5600         doc/rtl.texi, doc/tm.texi: Improve formatting.  Improve
5601         documentation of -std and -Wwrite-strings.
5602
5603 2001-07-02  Geoffrey Keating  <geoffk@redhat.com>
5604
5605         * cse.c (canon_hash): Don't register registers in very small
5606         register classes, as extending their lifetime might cause
5607         reload to fail.
5608
5609 Mon Jul  2 23:14:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
5610
5611         * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
5612
5613         * flow.c (forwarder_block_p): Fix for fallthru blocks.
5614         (try_redirect_by_replacing_jump): Update properly the count
5615         and frequency information.
5616
5617 Mon Jul  2 14:20:13 2001  Jeffrey A Law  (law@cygnus.com)
5618
5619         * toplev.c (dump_file_index): Move SSA dumps just after first
5620         jump dump.
5621         (dump_file): Corresponding changes.
5622         (rest_of_compilation): Move SSA path to just after the first
5623         jump pass.
5624         * doc/gcc.texi (Passes): Update due to movement of SSA path.
5625         * doc/invoke.texi: Update dump file #s as they were completely
5626         out of date with reality.
5627
5628 2001-07-02  Geoffrey Keating  <geoffk@redhat.com>
5629
5630         * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
5631
5632         * expr.c (emit_move_insn_1): Deal with non-default
5633         STACK_PUSH_CODE.
5634
5635         * expr.c (emit_single_push_insn): Fix warning.
5636
5637 2001-07-02  Toshiyasu Morita  <toshiyasu.morita@hsa.hitachi.com>
5638
5639         * expr.c (emit_move_insn_1): Avoid modifying
5640         cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
5641
5642 Mon Jul  2 15:33:31 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5643
5644         * emit-rtl.c (adjust_address): New function.
5645         * expr.h (adjust_address): Add declaration.
5646         * builtins.c: Replace some calls to change_address with calls to it
5647         or to validize_mem.
5648         * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
5649         * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
5650         * config/arm/arm.c, config/convex/convex.c: Likewise.
5651         * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
5652         * config/i386/i386.c, config/i386/i386.md: Likewise.
5653         * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
5654         * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
5655         * config/m88k/m88k.c, config/mips/mips.md: Likewise.
5656         * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
5657         * config/sh/sh.c, config/sparc/sparc.md: Likewise.
5658
5659 2001-07-02  Jim Wilson  <wilson@redhat.com>
5660
5661         * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
5662
5663 2001-07-02  Steve Ellcey  <sje@cup.hp.com>
5664
5665         * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
5666         * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
5667
5668 2001-07-02  Zack Weinberg  <zackw@stanford.edu>
5669
5670         * cppinit.c (lang_defaults): New table.
5671         (set_lang): Just read from lang_defaults into the live options
5672         structure.
5673
5674 2001-07-02  Zack Weinberg  <zackw@stanford.edu>
5675
5676         * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
5677         * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
5678         * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
5679
5680 2001-07-02  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5681
5682         * doc/install.texi: Various spelling and markup fixes.
5683         (Installing GCC): Component specific installation instructions are
5684         gone.
5685         Fix reference.
5686         Warn about removing old install dir in the presence of shared libs.
5687         (Configuration): Invoke with options target to match configure
5688         --help.
5689         Consistently refer to gas, gld pathnames.
5690         Invert --enable-multilib documentation.
5691         Remove references to old compiler versions.
5692
5693 Mon Jul  2 12:50:51 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5694
5695         * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
5696
5697 2001-07-02  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5698
5699         * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
5700         section.
5701         (Specific, mips*-sgi-irix5): Note IDO download.
5702         Reworded MIPS C hints.
5703         Use GNU as instead of GAS.
5704         Markup fixes.
5705         Removed SGI Freeware reference, IRIX 6 only.
5706         (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
5707         Note N64 library requirement/workaround.
5708         Update O32 hints.
5709         Complete list of structure passing bug victims.
5710
5711 2001-07-02  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
5712
5713         * doc/install.texi: Remove CVS Id.
5714
5715 2001-07-02  Andreas Jaeger  <aj@suse.de>
5716
5717         * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
5718         (find_inherently_necessary): Remove unused variable.
5719
5720 2001-07-02  Nathan Sidwell  <nathan@codesourcery.com>
5721
5722         * c-common.h (TDI_inlined): New ast dump phase.
5723         (dump_flag_name): New function.
5724         * c-dump.c (dump_files): Add inlined phase.
5725         (dump_flag_name): Define.
5726         * doc/invoke.texi (-fdump-ast-inlined): Document.
5727
5728 Mon Jul  2 06:29:36 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5729
5730         * stor-layout.c (layout_decl): Revert change to handling of alignment
5731         in packed types.
5732
5733 Sun Jul  1 11:53:52 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5734
5735         * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
5736         for FIELD_DECL.
5737
5738 2001-07-01  Geoffrey Keating  <geoffk@redhat.com>
5739
5740         * doc/tm.texi (FUNCTION_ARG): Document that the last call
5741         is special.
5742
5743 2001-07-01  Nathan Sidwell  <nathan@codesourcery.com>
5744
5745         * tlink.c (recompile_files): Remove COMPILER_PATH and
5746         LIBRARY_PATH from the environment.
5747
5748 2001-07-01  Zack Weinberg  <zackw@stanford.edu>
5749
5750         * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
5751         RID_LAST_PQ.  Move RID_FIRST_PQ down with the other FIRST/LAST
5752         enumerators.
5753         (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
5754
5755         * c-parse.in (OBJC_STRING): Kill.
5756         (objc_string): Decompose to [objc_string] '@' STRING.
5757         (reswords): Take the leading '@' off all the Objective C keywords.
5758         (objc_rid_sans_at): Kill.
5759         (init_reswords): Don't initialize it.
5760         (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
5761         (_yylex): Kill reconsider label.  Look ahead one token after
5762         an '@'; if we get an identifier, check whether it's an
5763         Objective C @-keyword.  If so, return the keyword.  Otherwise,
5764         put back the token and return the '@' as a terminal.
5765
5766         * cpplib.c (lex_macro_node): Remove unnecessary check for
5767         leading '@' on identifier.  Clarify control flow and commentary.
5768
5769 Sun Jul  1 11:53:52 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5770
5771         * cse.c (new_label_ref): Variable deleted.
5772         (insert): Remove set of new_label_ref.
5773         (check_for_label_ref): New function.
5774         (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
5775
5776 See ChangeLog.5 for earlier changes.