gcc/ChangeLog

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