gcc/ChangeLog

   1 Thu Sep 11 15:48:32 1997  Fred Fish  <fnf@ninemoons.com>
   2
   3         * cpplib.c (quote_string): Cast first arg of sprintf call
   4         from "unsigned char *" to "char *".
   5         (output_line_command): Ditto.
   6         (macroexpand): Ditto.
   7         (do_line): Cast atoi arg from "unsigned char *" to "char *".
   8
   9 Wed Sep 10 21:37:30 1997  Jeffrey A Law  (law@cygnus.com)
  10
  11         * version.c: Bump for snapshot.
  12
  13         * Makefile.in (compare): Exit with nonzero status if there
  14         are comparison failures.  Note which files failed the
  15         comparison test in .bad_compare.
  16
  17 Wed Sep 10 17:05:46 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
  18
  19         * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
  20
  21 Wed Sep 10 16:37:28 1997  Fred Fish  <fnf@ninemoons.com>
  22
  23         * Makefile.in (LN, LN_S): New macros, use where appropriate.
  24         * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
  25         * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
  26         * configure: Regenerated.
  27
  28 Thu Sep 11 11:09:43 1997  Jeffrey A Law  (law@cygnus.com)
  29
  30         * loop.c (strength_reduce): Fix typo.
  31
  32 Wed Sep 10 16:01:15 1997  Jim Wilson  <wilson@cygnus.com>
  33
  34         * m88k/m88k.c (struct option): Rename to struct options.
  35         * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
  36         * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
  37         * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
  38         __DOLPHIN__ or sysV88.
  39
  40 Wed Sep 10 14:58:40 1997  Jim Wilson  <wilson@cygnus.com>
  41
  42         * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
  43         create new subreg.
  44
  45 Wed Sep 10 15:19:22 1997  Jeffrey A Law  (law@cygnus.com)
  46
  47         * config.sub: Accept 'amigados' for backward compatability.
  48
  49 Wed Sep 10 14:05:08 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
  50
  51         * Makefile.in (testsuite/site.exp): New target.
  52         (check-gcc, check-g++): Depend on testsuite/site.exp.
  53         Don't stop for failure.
  54
  55 Wed Sep 10 01:38:30 1997  Doug Evans  <dje@cygnus.com>
  56
  57         Add port done awhile ago for the ARC cpu.
  58         * arc/arc.h: New file.
  59         * arc/arc.c: New file.
  60         * arc/arc.md: New file.
  61         * arc/initfini.c: New file.
  62         * arc/lib1funcs.asm: New file.
  63         * arc/t-arc: New file.
  64         * arc/xm-arc.h: New file.
  65         * ginclude/va-arc.h: New file.
  66         * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
  67         * ginclude/varargs.h: Likewise.
  68         * Makefile.in (USER_H): Add va-arc.h.
  69         * configure.in (arc-*-elf*): Recognize.
  70         * longlong.h: Add ARC support.
  71
  72 Wed Sep 10 01:32:54 1997  Jeffrey A Law  (law@cygnus.com)
  73
  74         * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
  75         when clearing non-BLKmode data.
  76
  77 Wed Sep 10 00:29:29 1997  Manfred Hollstein  <manfred@s-direktnet.de>
  78
  79         * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
  80         * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
  81
  82         * xm-m88k.h (USG): Only define if it hasn't already been defined.
  83
  84         * Makefile.in (risky-stage1): Delete gratutious whitespace.
  85
  86         * Makefile.in (clean): Delete libgcc1-test.
  87
  88         * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
  89
  90 Tue Sep  9 17:07:36 1997  Stan Cox  <coxs@dg-rtp.dg.com>
  91
  92         * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
  93         template.
  94
  95 Tue Sep  9 09:12:17 1997  Jeffrey A Law  (law@cygnus.com)
  96
  97         * haifa-sched.c (print_value): Fix last change.
  98
  99 Mon Sep  8 15:15:11 1997  Nick Clifton  <nickc@cygnus.com>
 100
 101         * v850.h (ASM_SPEC): Pass on target processor.
 102         (CPP_PREDEFINES): Only define if not already specified.
 103         (TARGET_VERSION): Only define if not already specified.
 104         (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
 105         processor.
 106         (EXTRA_SWITCHES): Extra entries in the switches array.
 107         (TARGET_DEFAULT): Set default target processor.
 108
 109 Mon Sep  8 18:26:35 1997  Jim Wilson  <wilson@cygnus.com>
 110
 111         * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
 112         cases, add %# and %/, and add : to make them into extended asms.
 113
 114 Sun Sep  7 23:57:50 1997  Weiwen Liu  <liu@hepunix.physics.yale.edu>
 115
 116         * alias.c (init_alias_analysis): Clean up incompatible pointer
 117         type warning in bzero.
 118         * regmove.c (regmove_optimize): Ditto.
 119         * haifa-sched.c (find_rgns): Ditto.
 120
 121         * haifa-sched.c (print_value): Clean up ptr->int cast
 122         warnings.
 123
 124 Sun Sep  7 23:18:32 1997  Fred Fish  <fnf@ninemoons.com>
 125
 126         * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
 127         * install.texi (Configurations): Ditto.
 128         * config.sub: Ditto.
 129
 130 Sun Sep  7 22:56:56 1997  Weiwen Liu  (liu@hepvms.physics.yale.edu)
 131
 132         * Makefile.in (sdbout.o): Depend on insn-config.h.
 133
 134 Sun Sep  7 18:44:50 1997  Jim Wilson  <wilson@cygnus.com>
 135
 136         * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
 137         For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
 138
 139 Sun Sep  7 18:30:46 1997  Jason Merrill  <jason@yorick.cygnus.com>
 140
 141         * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
 142         prologue insn, only the first elt is significant.
 143         (output_call_frame_info): For exception handling, always use 4-byte
 144         fields as specified by the dwarf2 spec.
 145         Don't skip trivial FDEs.
 146
 147 Sun Sep  7 14:19:39 1997  Jeffrey A Law  (law@cygnus.com)
 148
 149         * version.c: Bump for snapshot.
 150
 151 Sun Sep  7 14:17:36 1997  Torbjorn Granlund  (tege@pdc.kth.se)
 152
 153         * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
 154         for negative constants.  Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
 155         when op1_is_pow2.
 156
 157 Sun Sep  7 13:46:46 1997  Jeffrey A Law  (law@cygnus.com)
 158
 159         * final.c (shorten_branches): During first pass, assume worst
 160         possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
 161
 162         * Makefile.in (distclean): Remove various things left around
 163         by running the testsuite.
 164
 165 Sun Sep  7 13:16:06 1997  Manfred Hollstein  <manfred@s-direktnet.de>
 166
 167         * configure.in (out_file): Emit definition to config.status in order
 168         to have a defined value for configure.lang.
 169         * configure: Re-built.
 170
 171 Sun Sep  7 09:59:08 1997  Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
 172
 173         * configure.in: Make symlink to as-new rather than as.new.  Similarly
 174         for ld-new.
 175         * configure: Rebuilt.
 176
 177 Fri Sep  5 16:54:55 1997  Jim Wilson  <wilson@cygnus.com>
 178
 179         * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
 180
 181 Fri Sep  5 16:16:44 1997  Christian Kuehnke  <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
 182
 183         * sparc/sparc.md: Add ultrasparc scheduling support.
 184         * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
 185
 186 Fri Sep  5 14:04:59 1997  Philippe De Muyter  <phdm@info.ucl.ac.be>
 187
 188         * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
 189         as initial value for real_label_map.
 190         (copy_for_inline): Likewise.
 191
 192 Fri Sep  5 13:36:44 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 193
 194         * sched.c (update_flow_info) When looking if to set found_split_dest
 195         or found_orig_dest, look at all parts of a PARALLEL.
 196         * haifa-sched.c (update_flow_info): Likewise.
 197
 198 Fri Sep  5 10:08:44 1997  Jeffrey A Law  (law@cygnus.com)
 199
 200         * v850: New directory for v850 port.
 201         * v850/lib1funcs.asm: New file.
 202         * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
 203         * ginclude/va-v850.h: New file.
 204         * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
 205         * configure.in (mn10200-*-*): New target.
 206         * configure: Rebuilt.
 207         * config.sub: Handle v850-elf.
 208         * Makefile.in (USER_H): Add va-mn10200.h.
 209         * invoke.texi: Document v850 stuff.
 210
 211 Fri Sep  5 09:37:50 1997  Jim Wilson  (wilson@cygnus.com)
 212
 213         * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
 214         has integer TYPE_{MAX,MIN}_VALUE before using them.
 215
 216         * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
 217         __HPUX_ASM__ versions.
 218
 219 Fri Sep  5 09:08:44 1997  Jeffrey A Law  (law@cygnus.com)
 220
 221         * install.sh: Delete duplicate install script.
 222
 223 Thu Sep  4 23:14:27 1997  Stan Cox  (coxs@dg-rtp.dg.com)
 224
 225         * reg-stack.c (subst_stack_regs): Pop the stack register for a
 226         computed goto which sets the same stack register.
 227
 228         * reg-stack.c (compare_for_stack_reg): Swap only if the source and
 229         destination are both on the regstack.
 230         (subst_stack_regs_pat): Put the destination at the top of the regstack.
 231
 232 Thu Sep  4 15:02:27 1997  Jim Wilson  <wilson@cygnus.com>
 233
 234         * mips.md (nonlocal_goto_receiver): Define.
 235
 236         * profile.c (output_arc_profiler): Check next_insert_after for non
 237         NULL before deferencing it.
 238
 239         * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
 240
 241 Thu Sep  4 14:51:57 1997  Jeffrey A Law  (law@cygnus.com)
 242
 243         * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
 244
 245 Thu Sep  4 15:01:49 1997  Michael Meissner  <meissner@cygnus.com>
 246
 247         * toplev.c (rest_of_compilation): For passes starting with
 248         flow_analysis, use print_rtl_with_bb instead of print_rtl.
 249
 250         * print-rtl.c (print_rtl_single): Print a single rtl value to a
 251         file.
 252
 253         * flow.c (print_rtl_with_bb): Print which insns start and end
 254         basic blocks.  For the start of a basic block, also print the live
 255         information.
 256
 257 Thu Sep  4 11:51:43 1997  Jim Wilson  <wilson@cygnus.com>
 258
 259         * toplev.c (main): Change #elif to #else/#ifdef
 260
 261         * tlink.c: Include ctype.h.
 262         * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
 263
 264 Thu Sep  4 11:17:16 1997  Mikeael Meissner  (meissner@cygnus.com)
 265
 266         * bitmap.c: Conditionally include stdlib.h.
 267         (free): Provide a declaration if NEED_DECLARATION_FREE.
 268
 269 Thu Sep  4 09:58:53 1997  Joel Sherrill  (joel@OARcorp.com)
 270
 271         * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
 272
 273 Thu Sep  4 09:53:20 1997  Jim Wilson  (wilson@cygnus.com)
 274
 275         * profile.c (output_arc_profiler): Verify next_insert_after is an
 276         INSN before and after skipping a stack pop.
 277
 278 Thu Sep  4 07:39:19 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 279
 280         * final.c (shorten_branches): Don't count the lengths of deleted
 281         instructions.
 282
 283 Thu Sep  4 09:43:01 1997  Jeffrey A Law  (law@cygnus.com)
 284
 285         * version.c: Bump for snapshot.
 286
 287 Thu Sep  4 11:04:21 1997  Michael Meissner  <meissner@cygnus.com>
 288
 289         * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
 290         two bitmaps ANDed together.
 291         (bitmap_print): Declare.
 292
 293         * bitmap.c (function_obstack): Don't declare any more.
 294         (bitmap_obstack): Obstack for allocating links from.
 295         (bitmap_obstack_init): New static to say whether to initialize
 296         bitmap_obstack.
 297         (bitmap_element_allocate): Use bitmap_obstack to allocate from.
 298         (bitmap_release_memory): Free all memory allocated from
 299         bitmap_obstack.
 300
 301         * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
 302         EXECUTE_IF_AND_IN_BITMAP.
 303
 304 Wed Sep  3 10:39:42 1997  Jim Wilson  <wilson@cygnus.com>
 305
 306         * alias.c (true_dependence): Address with AND can alias scalars.
 307         (anti_dependence, output_dependence): Likewise.
 308
 309         * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
 310
 311 Wed Sep  3 09:28:50 CDT 1997  Joel Sherrill (joel@OARcorp.com)
 312
 313         * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
 314           mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
 315           sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
 316           definitions.  Use -qrtems instead of -mrtems.
 317
 318 Wed Sep  3 09:05:41 1997  Robert Lipe  (robert@dgii.com)
 319
 320         * xm-sco5.h (sys_siglist): Define.
 321         (SYS_SIGLIST_DECLARED): Likewise.
 322
 323 Tue Sep  2 23:33:33 1997  Jeffrey A Law  (law@cygnus.com)
 324
 325         * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
 326
 327 Wed Sep  3 02:09:30 1997  Torbjorn Granlund  <tege@pdc.kth..se>
 328
 329         * except.c (eh_outer_context): Expand masking operation using
 330         expand_binop.
 331
 332 Tue Sep  2 18:09:39 1997  Jim Wilson  <wilson@cygnus.com>
 333
 334         * alpha.md (floatdisf2-1): New pattern.
 335
 336 Tue Sep  2 18:41:55 1997  Jeffrey A Law  (law@cygnus.com)
 337
 338         * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
 339         * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
 340         * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
 341         * gcc.texi: Note that if you define sys_siglist that you should
 342         also define SYS_SIGLIST_DECLARED.
 343
 344         * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
 345         are relative to the next instruction, not the current instruction.
 346
 347 Tue Sep  2 14:22:43 1997  Jim Wilson  <wilson@cygnus.com>
 348
 349         * local-alloc.c (contains_replace_regs): New function.
 350         (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
 351         verify that there is no existing REG_EQUIV note, and add a call to
 352         contains_place_regs.
 353
 354 Tue Sep  2 12:48:11 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
 355
 356         * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
 357         (STARTFILE_SPEC): Always use crtbegin.o%s
 358         (ENDFILE_SPEC): Always use crtend.o%s.
 359
 360 Tue Sep  2 12:00:36 1997  Jim Wilson  <wilson@cygnus.com>
 361
 362         * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
 363         is passed in.
 364         * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
 365         SFmode for 64 bit hosts.
 366
 367 Tue Sep  2 13:42:38 1997  Paul N. Hilfinger  <hilfingr@CS.Berkeley.EDU>
 368
 369         * fixincludes: Permits spaces between # and define.  Discard C++
 370         comments in sys/pci.h on HP/UX 10.20.
 371
 372 Mon Sep  1 22:13:18 1997  Jeffrey A Law  (law@cygnus.com)
 373
 374         * version.c: Bump for snapshot.
 375
 376         * pa.c (restore_unscaled_index_insn_codes): New function.
 377         (record_unscaled_index_insn_codes): Likewise.
 378         (output_function_prologue): Call restore_unscaled_index_insn_codes.
 379         (output_function_epilogue): Free memory for unscaled_index_insn_codes.
 380         (pa_reorg): Call record_unscaled_index_insn_codes.
 381
 382         * haifa-sched.c (move_insn): Handle notes correctly for insns
 383         with SCHED_GROUP_P set.
 384
 385 Mon Sep  1 16:58:57 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
 386
 387         * alpha/xm-linux.h (USE_BFD): Undef before define.
 388
 389 Mon Sep  1 16:25:34 1997  Jim Wilson  <wilson@cygnus.com>
 390
 391         * cse.c (cse_insn): Don't record BLKmode values.
 392
 393 Mon Sep  1 11:25:47 1997  Stephen Williams  (steve@icarus.icarus.com)
 394
 395         * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
 396
 397 Mon Sep  1 08:29:46 1997  Jeffrey A Law  (law@cygnus.com)
 398
 399         * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
 400         * collect2.c (sys_errlist): Likewise.
 401         * cpplib.c (sys_errlist): Likewise.
 402         * gcc.c (sys_errlist): Likewise.
 403         * protoize (sys_errlist): Likewise.
 404         * configure.in: Check for strerror.
 405         * xm-freebsd.h (HAVE_STRERROR): Remove definition.
 406         * xm-gnu.h (HAVE_STRERROR): Likewise.
 407         * xm-linux.h (HAVE_STRERROR): Likewise.
 408         * xm-netbsd.h (HAVE_STRERROR): Likewise.
 409         * xm-bsd386.h (HAVE_STRERROR): Likewise.
 410         * xm-cygwin32.h (HAVE_STRERROR): Likewise.
 411         * xm-dos.h (HAVE_STRERROR): Likewise.
 412         * xm-mingw32.h (HAVE_STRERROR): Likewise.
 413         * xm-pa.h (HAVE_STRERROR): Likewise.
 414         * xm-papro.h (HAVE_STRERROR): Likewise.
 415         * xm-sysv4.h (HAVE_STRERROR): Likewise.
 416         * configure, config.in: Rebuilt.
 417
 418         * Makefile.in: Add several missing "else true" clauses.
 419
 420         * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
 421         * mips-tfile.c: Likewise.
 422         * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
 423         * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
 424         * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
 425         * configure.in: Check for sys_siglist declaration.
 426         * configure, config.in: Rebuilt.
 427
 428 Mon Sep  1 08:04:07 1997  Joel Sherrill (joel@OARcorp.com)
 429
 430         * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
 431         m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
 432         sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
 433         * i960/i960.h: Added SUBTARGET_SWITCHES macro.
 434         * rs6000/sysv4.h (extra_subtarget_switches): Added new
 435         macro EXTRA_SUBTARGET_SWITCHES.
 436         * configure.in (sh*-*-rtems*): New target.
 437         * sh/rtems.h: New file.
 438         * sh/sh.h: Added SUBTARGET_SWITCHES macro.
 439         * configure: Rebuilt.
 440
 441 Sat Aug 30 22:54:26 1997  Jim Wilson  <wilson@cygnus.com>
 442
 443         * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
 444
 445 Sat Aug 30 10:49:46 1997  David Edelsohn  <edelsohn@mhpcc.edu>
 446
 447         * rs6000.md: Make DF fused-add operations pay attention to
 448         -mno-fused-add.
 449
 450 Fri Aug 29 19:19:54 1997  Jim Wilson  <wilson@cygnus.com>
 451
 452         * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
 453
 454 Fri Aug 29 16:13:51 1997  Jeffrey A Law  (law@cygnus.com)
 455
 456         * pa.md (reload_peepholes): Make sure operand is a REG before
 457         examining REGNO.  Allow general registers too.
 458
 459 Fri Aug 29 11:42:04 1997  Jim Wilson  <wilson@cygnus.com>
 460
 461         * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
 462
 463 Fri Aug 29 09:33:20 1997  Philipp Thomas  (kthomas@lxi165.gwdg.de)
 464
 465         * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
 466         to reallocate abbrev_die_table.
 467
 468 Thu Aug 28 15:14:46 1997  Jim Wilson  <wilson@cygnus.com>
 469
 470         * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
 471
 472 1997-08-27  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 473
 474         * Makefile.in (config.status): Depend on version.c
 475
 476         * expr.h (insn_gen_function): Reenable prototype.
 477
 478         * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
 479         first parameter.
 480
 481 Thu Aug 28 13:01:43 1997  Jim Wilson  <wilson@cygnus.com>
 482
 483         * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
 484
 485 Thu Aug 28 07:03:15 1997  Jeffrey A Law  (law@cygnus.com)
 486
 487         * version.c: Bump for latest snapshot.
 488
 489         * bc-optab.c: Conditionally include stdlib.h.
 490         (free): Provide a declaration if NEED_DECLARATION_FREE.
 491         * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
 492         * rtl.h (free): Remove declaration.
 493         * tree.h (free): Remvoe declaration.
 494
 495         * configure: Rebuilt.
 496
 497 Wed Aug 27 21:32:20 1997  Jeffrey A Law  (law@cygnus.com)
 498
 499         * flags.h (flag_move_all_movables): Declare.
 500         (flag_reduce_all_givs): Likewise.
 501         * loop.c (move_movables): Handle flag_move_all_movables.
 502         (strength_reduce): Handle flag_reduce_all_givs.
 503         * toplev.c (flag_move_all_movables): Define.
 504         (flag_reduce_all_givs): Likewise.
 505         (f_options): Add -fmove-all-movables and -freduce-all-givs.
 506         * invoke.texi: Document new options, including alias stuff that
 507         wasn't included last time.
 508
 509 Wed Aug 27 18:08:51 1997  Bob Manson  (manson@cygnus.com)
 510
 511         * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
 512         * t-mn10200: Ditto.
 513         * t-vxsparc: Ditto.
 514         * t-vxworks68: Ditto.
 515         * t-vxworks960: Ditto.
 516         * t-vx29k: Ditto.
 517
 518 Wed Aug 27 16:35:29 1997  Richard Henderson  <rth@cygnus.com>
 519
 520         * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
 521         if not already defined, and USE_C_ALLOCA not defined.
 522
 523 Wed Aug 27 16:08:43 1997  Jim Wilson  <wilson@cygnus.com>
 524
 525         * config.guess: Replace with script that uses ../config.guess.
 526
 527         * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
 528         if USE_GNULIBC_1 is not defined.
 529
 530 Wed Aug 27 15:49:12 1997  Richard Henderson  <rth@cygnus.com>
 531
 532         * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
 533         * config.guess: Recognize alpha-linux-gnulibc1.
 534         * configure.in (alpha-*-linux-gnulibc1): New target.
 535         (alpha-*-linux-gnu*): Don't build crtbegin/end.
 536
 537 Wed Aug 27 11:52:58 1997  Jim Wilson  <wilson@cygnus.com>
 538
 539         * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
 540         last change.
 541
 542 Wed Aug 27 01:56:18 1997  Doug Evans  <dje@seba.cygnus.com>
 543
 544         * loop.c (combine_movables): Earlier insns don't match later ones.
 545
 546 Wed Aug 27 01:24:25 1997  H.J. Lu   (hjl@gnu.ai.mit.edu)
 547
 548         * config/linux.h (CC1_SPEC): Define it only if not defined.
 549
 550         * config/m68k/linux.h (CC1_SPEC): Undefine it before include
 551         <linux.h>
 552
 553         * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
 554         USE_GNULIBC_1 is not defined.
 555
 556         * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New.  Defined as 1.
 557
 558         * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
 559         as 1 if USE_GNULIBC_1 is not defined.
 560
 561 Wed Aug 27 00:49:14 1997  Jeffrey A Law  (law@cygnus.com)
 562
 563         * reorg.c (dbr_schedule): Allow current_function_return_rtx
 564         to be something other than a REG.
 565         * function.c (expand_function_end): Fix current_function_return_rtx
 566         if it was a pseudo.
 567
 568         * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
 569         * x-netbsd: Likewise
 570         * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
 571         (INSTALL_HEADERS): Delete.
 572         * x-dguxbcs: Likewise.
 573         * x-hp3bsd44: Likewise
 574         * x-pa: Likewise.
 575
 576 Wed Aug 27 00:30:00 1997  Bernd Schmidt  <crux@pool.informatik.rwth-aachen.de>
 577
 578         * i386.md (pop): pop increments the stack pointer.
 579         (prologue_set_stack_ptr): New pattern.
 580         * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
 581         instead of subsi3.
 582
 583 Tue Aug 26 18:50:32 1997  Jim Wilson  <wilson@cygnus.com>
 584
 585         * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
 586         address where an offsettable address is required.
 587
 588 Tue Aug 26 17:54:56 1997  Michael P. Hayes  (michaelh@ongaonga.chch.cri.nz>
 589
 590         * loop.c (check_final_value): Don't miss a biv increment in a
 591         parallel.
 592
 593 Tue Aug 26 12:03:49 1997  Jim Wilson  (wilson@cygnus.com)
 594
 595         * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
 596         TYPE_DECL_IS_STUB instead of DECL_NAME.
 597
 598 Mon Aug 25 23:27:10 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
 599
 600         * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
 601
 602 Mon Aug 25 23:27:10 1997  Jim Meyering <meyering@eng.ascend.com>
 603
 604         * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
 605
 606 Mon Aug 25 13:12:24 1997  Jeffrey A Law  (law@cygnus.com)
 607
 608         * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
 609         (find_post_sched_live): Likewise.
 610
 611         * haifa-sched.c (schedule_block): Remove old code to get arguments
 612         from hard regs into pseudos early.
 613
 614 Mon Aug 25 08:55:00 1997  Jeffrey A Law  (law@cygnus.com)
 615
 616         * version.c: Bump for new snapshot.
 617
 618         * local-alloc.c (update_equiv_regs): All the target to reject
 619         promotion of some REG_EQUAL to REG_EQUIV notes.
 620         * pa.h (DONT_RECORD_EQUIVALENCE): Define.
 621
 622         * pa.c (secondary_reload_class): (mem (mem ... )) does not need
 623         secondary reloads.
 624
 625         * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
 626         store of the argument registers.
 627
 628 Mon Aug 25 08:39:02 1997  Craig Burley  (burley@gnu.ai.mit.edu)
 629
 630         * fold-const.c (multiple_of_p): New function.
 631         (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
 632
 633 Mon Aug 25 01:47:41 1997  Jeffrey A Law  (law@cygnus.com)
 634
 635         * expr.h (insn_gen_function): Temporarily remove prototype.
 636
 637 Sun Aug 24 17:22:21 1997  Jim Wilson  <wilson@cygnus.com>
 638
 639         * Makefile.in (install-info): Don't cd into srcdir.  Add srcdir to
 640         filenames.  Use sed to extract base filename for install.
 641
 642 Sat Aug 23 18:19:40 1997  John F. Carr  <jfc@mit.edu>
 643
 644         * unroll.c (find_splittable_givs): Only share if two givs have the
 645         same add and multiply values.
 646
 647 Sat Aug 23 14:36:27 1997  Jim Wilson  <wilson@cygnus.com>
 648
 649         * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
 650         * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
 651
 652 Sat Aug 23 00:18:22 1997  Jeffrey A Law  (law@cygnus.com)
 653
 654         * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
 655         around branch tables.
 656         * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
 657         and .end_brtab directives if TARGET_GAS.
 658
 659 Fri Aug 22 14:05:55 1997  Jim Wilson  <wilson@cygnus.com>
 660
 661         * alias.c (true_dependence): Pass x_addr not x to varies.
 662
 663         * acconfig.h (NEED_DECLARATION_CALLOC): Add.
 664         * configure.in: Add GCC_NEED_DECLARATION call for calloc.
 665         * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
 666         declarations.
 667         * config.in, configure: Regenerate.
 668
 669 Thu Aug 21 23:52:16 1997  John F. Carr  <jfc@mit.edu>
 670
 671         * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
 672         LO_SUM.
 673         (record_set): Handle LO_SUM like PLUS.
 674         (init_alias_analysis): When following chains of base addresses,
 675         do not stop on reaching a hard register.
 676
 677 Thu Aug 21 20:17:37 1997  Jeffrey A Law  (law@cygnus.com)
 678
 679         * version.c: Bump for new snapshot.
 680
 681 Thu Aug 21 17:28:00 1997  Jim Wilson  <wilson@cygnus.com>
 682
 683         * alpha.h (ARCH_ASM_FILE_START): Define.
 684         (ASM_FILE_START): Use ARCH_ASM_FILE_START.
 685         * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
 686
 687 Thu Aug 21 10:22:19 1997  Jeffrey A Law  (law@cygnus.com)
 688
 689         * Makefile.in (install-common): Put gcov comment at start of line.
 690
 691 Wed Aug 20 22:47:33 1997  Jeffrey A Law  (law@cygnus.com)
 692
 693         * alias.c (init_alias_analysis): When simplifying the reg_base_value
 694         array, simplify entries for hard registers too.
 695
 696 Wed Aug 20 12:35:47 1997  Dave Love  <d.love@dl.ac.uk>
 697
 698         * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
 699         list.
 700
 701 Wed Aug 20 11:58:33 1997  Jim Wilson  <wilson@cygnus.com>
 702
 703         * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
 704         block_stack before dereferencing it.
 705
 706 Wed Aug 20 11:57:11 1997  Michael Meissner  <meissner@cygnus.com>
 707
 708         * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
 709
 710 Tue Aug 19 17:10:56 1997  Jason Merrill  <jason@yorick.cygnus.com>
 711
 712         * cplus-dem.c: Add 'extern' to prepends_underscore.
 713
 714 Tue Aug 19 09:34:57 1997  Jeffrey A Law  (law@cygnus.com)
 715
 716         * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
 717         (get_issue_rate): Delete.
 718         * pa.h (ISSUE_RATE): Define.
 719
 720         * configure.in: Turn on haifa by default for the PA.
 721         * configure: Rebuilt.
 722         * pa.c (override_options): Accept -mschedule=7200 option.
 723         (pa_adjust_cost): No longer need to scale costs for newer
 724         processors.
 725         * pa.h (enum processor_type): Add PROCESSOR_7200.
 726         * pa.md: Revamp scheduling parameters to work better with
 727         haifa.  Add scheduling parameters for the 7200.
 728
 729         * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
 730         insns too.
 731         (schedule_block): When adjusting basic_block_{head,end}, account
 732         for movement of SCHED_GROUP_P insns too.
 733
 734         * haifa-sched.c (debug_dependencies): Fix thinko.
 735
 736         * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
 737         (site.exp, check, check-g++, check-gcc): New targets.
 738
 739         * haifa-sched.c: Make lots of variables static.
 740
 741 Tue Aug 19 07:18:34 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
 742
 743         * expr.h, real.h: Finish prototyping.
 744
 745 Mon Aug 18 21:49:02 1997  Jim Wilson  <wilson@cygnus.com>
 746
 747         * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
 748         reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
 749         * reload1.c: Undo bugfix from Aug 11.
 750
 751 Mon Aug 18 17:39:02 1997  Mike Meissner  <meissner@cygnus.com>
 752
 753         * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
 754         quotes around the name.
 755         * configure: Regenerate.
 756
 757 Mon Aug 18 13:46:47 1997  Jim Wilson  <wilson@cygnus.com>
 758
 759         * Makefile.in (stmp-multilib-sub): Fix typo in last change.
 760
 761 Thu Aug  7 10:33:13 1997  Manfred Hollstein  <manfred@s-direktnet.de>
 762
 763         * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
 764         to sub-makes to avoid building more passes than the user might have
 765         requested on the command line.
 766
 767 Sun Aug 17 15:42:17 1997  Dave Love  (d.love@dl.ac.uk)
 768
 769         * configure.in: Expurgate `broken_install' (install is
 770         autoconfed).
 771
 772         * configure.lang: Substitute autoconfed ${INSTALL} (not currently
 773         relevant).
 774
 775 Sat Aug 16 01:08:12 1997  Jeffrey A Law  (law@cygnus.com)
 776
 777         * loop.c (is_power_of_2, is_conditional_branch): Delete unused
 778         functions and declarations.
 779         (analyze_loop_iterations): Use condjump_p.
 780         (insert_bct): Likewise.  Use exact_log2.
 781
 782 Fri Aug 15 23:48:32 1997  Jeffrey A Law  (law@cygnus.com)
 783
 784         * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
 785         (schedule_region): Likewise.
 786         (schedule_insns): Likewise.
 787
 788         * PROJECTS: Update with Haifa stuff.
 789
 790 Fri Aug 15 12:49:56 1997  Jeffrey A Law  (law@cygnus.com)
 791
 792         * version.c: Change the version string to look like:
 793         egcs-2.90.00 970814 (gcc2-970802 experimental).
 794
 795         * loop.c (is_conditional_branch): Make definition match declaration.
 796
 797         * gcc.c: Take out experimental snapshot warning message.
 798
 799 Fri Aug 15 13:43:39 1997  Michael Meissner  <meissner@cygnus.com>
 800
 801         * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
 802         print out the names of the notes.  Print out the name of the insn
 803         that is not a note, and not an {,CALL_,JUMP_}INSN.
 804
 805 Wed Aug 13 01:03:37 1997  Doug Evans  <dje@canuck.cygnus.com>
 806
 807         * configure.in (haifa configury): Fix typo.
 808         * configure: Regenerate.
 809
 810 Tue Aug 12 10:20:36 1997  Jeffrey A Law  (law@cygnus.com)
 811
 812         * version.c: Bump version to "gcc-3.0.0 970802 experimental".
 813
 814         * gcc.info*: Rebuilt.
 815
 816         * COPYING.g77, README.g77: New files.
 817         * real.c (ereal_unto_float, ereal_unto_double): New functions.
 818         * real.h (ereal_unto_float, ereal_unto_double): Declare them.
 819         (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
 820
 821 Mon Aug 11 14:50:55 1997  Jeffrey A Law  (law@cygnus.com)
 822
 823         * Integrate Haifa instruction scheduler.
 824         * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS.  Prefix all references
 825         to sched with $(SCHED_CFLAGS.
 826         * configure.in: Handle --enable-haifa.
 827         * configure: Rebuilt.
 828         * flags.h: Add new flags for haifa instruction scheduler.
 829         * genattrtab.c (expand_units): For haifa, don't subtract one
 830         when computing blockage.
 831         * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
 832         (flag_schedule_speculative): Ditto.
 833         (flag_schedule_speculative_load): Ditto.
 834         (flag_schedule_speculative_load_dangerous): Ditto.
 835         (flag_schedule_reverse_before_reload): Ditto.
 836         (flag_schedule_reverse_after_reload): Ditto.
 837         (flag_branch_on_count_reg): Ditto.
 838         (f_options): Add Haifa switches.
 839         (main): Turn off some Haifa options if appropriate macro is
 840         defined.  Process Haifa switches.
 841         * unroll.c (iteration_info): No longer static, since Haifa
 842         scheduler uses it.
 843         (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
 844         * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
 845         * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
 846         * loop.h (loop_initial_value,loop_unroll_iter): New globals.
 847         * loop.c (loop_optimize): If HAIFA is defined, allocate additional
 848         storage for the Haifa scheduler.
 849         (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
 850         LABEL_NEXTREF.
 851         (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
 852         are defined, call analyze_loop_iterations and insert_bct to use
 853         countdown loops.
 854         (record_giv): Refine test for jumps out of loops if HAIFA is
 855         defined.
 856         (analyze_loop_iterations): New function to identify if we can use
 857         a countdown loop.
 858         (insert_bct): Insert countdown loop.
 859         (instrument_loop_bct): Low level code to insert countdown loop.
 860         (loop_number): Calculate UID of loop.
 861         (indirect_jump_in_function_p): Return true if an indirect jump is
 862         in the function.
 863         (is_power_of_2): Return true if value is a power of 2.
 864         (is_conditional_branch): Return true if insn is a conditional
 865         jump.
 866         (fix_bct_param): Process -fbct-{min,max}-N switches.
 867         (check_bct_param): Return true if loop should be instrumented.
 868         * loop.c (loop_initial_value,loop_unroll_iter): New globals.
 869         (loop_optimize): Initialize.
 870         (get_condition_for_loop): Ditto.
 871         * loop.c (strength_reduce): Inside of code that uses #ifdef
 872         HAVE_decrement_and_branch_on_count code, test it to make sure the
 873         condition is true.
 874         (instrument_loop_bct): Ditto.
 875         * haifa-sched.c: New file.
 876
 877
 878         * Integrate regmove pass.
 879         * Makefile.in (OBJS): Add regmove.o
 880         (regmove.o): Add dependencies.
 881         * flow.c (find_use_as_address): No longer static.
 882         * rtl.h (find_use_as_address): Declare.
 883         * toplev.c (regmove_dump, flag_regmove): Define.
 884         (f_options): Add -fregmove.
 885         (regmove_dump_file, regmove_time): Define.
 886         (fatal_insn): Close the regmove dump file.
 887         (compile_file): Initialize regmove_time; open/close the regmove dump
 888         file as needed.  Print regmove time as needed.
 889         (rest_of_compilation): Run regmove pass if requested, dump
 890         RTL after regmove if requested.
 891         (main): If -O2 or more, turn on regmove.  Handle dump switches.
 892         * regmove.c: New file.
 893
 894 Mon Aug 11 14:15:02 1997  Jeffrey A Law  (law@cygnus.com)
 895
 896         * Integrate tlink patch from jason@cygnus.com
 897         * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
 898         (process_command): Increment n_switches for them.  Don't discard
 899         their args.  Validate them.
 900         (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
 901         From Rohan Lenard.
 902         (process_command): Set include_prefixes from COMPILER_PATH.
 903         (main): Set COLLECT_GCC_OPTIONS sooner.
 904         * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
 905         * tlink.c, hash.c, hash.h: New files.
 906         * Makefile.in (USE_COLLECT2): Always use collect2.
 907         (collect2): Depend on and link in hash.o and tlink.o.
 908         (tlink.o, hash.o): Add dependencies.
 909
 910 Mon Aug 11 10:04:49 1997  Jeffrey A Law  (law@cygnus.com)
 911
 912         * Integrate alias analysis changes from jfc@mit.edu
 913         * Makefile.in (OBJS): Add alias.o
 914         (alias.o): Add dependencies.
 915         * alias.c: New file.
 916         * sched.c: Remove alias analysis code.  It lives in alias.c now.
 917         (sched_analyze_2): Add new arguments to true_dependence.
 918         (schedule_insns): Always call init_alias_analysis.
 919         * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
 920         mark return value from such functions as a pointer and keep track of
 921         them for alias analysis.  If a return value from a function is a
 922         pointer, mark it as such.
 923         * combine.c (distribute_notes): Handle REG_NOALIAS.
 924         * cse.c (struct write_data): Delete.  No longer needed.
 925         (invalidate): Don't call set_nonvarying_address_components anymore.
 926         Use true_dependence to decide if an entry should be removed from
 927         the hash table.
 928         (invalidate_memory): Remove WRITES argument, simplify appropriately.
 929         Fix all callers.
 930         (note_mem_written): Similarly for WRITE_PTR argument.
 931         (invalidate_from_clobbers): Similarly for W argument.
 932         (invalidate_for_call): Remove memory elements from the hash table.
 933         (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
 934         (cse_rtx_varies_p): New function.  Derived from old
 935         cse_rtx_addr_varies_p.
 936         (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
 937         Don't call note_mem_written anymore.  Stack pushes invalidate the stack
 938         pointer if PUSH_ROUNDING is defined.  No longer need to call
 939         cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
 940         (skipped_writes_memory): Remove variable.
 941         (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
 942         (invalidate_skipped_block): Simplify for new alias analysis code.
 943         (cse_set_around_loop): Likewise.
 944         (cse_main): Call init_alias_analysis.
 945         * flags.h (flag_alias_check, flag_argument_noalias): Declare.
 946         * toplev.c (flag_alias_check, flag_argument_noalias): Define.
 947         (f_options): Add new alias checking arguments.
 948         (main): Set flag_alias_check when optimizing.
 949         * local_alloc (validate_equiv_mem_from_store): Add new arguments
 950         to true_dependence.
 951         (memref_referenced_p): Likewise.
 952         * loop.c (NUM_STORES): Increase to 30.
 953         (prescan_loop): Only non-constant calls set unknown_address_altered.
 954         (invariant_p): Add new arguments to true_dependence.
 955         (record_giv): Initialize unrolled and shared fields.
 956         (emit_iv_add_mult): Call record_base_value as needed.
 957         * loop.h (struct induction): Add unrolled and shared fields.
 958         * unroll.c  (unroll_loop): Call record_base_value as needed.
 959         (copy_loop_body): Likewise.
 960         (final_biv_value): Likewise.
 961         (final_giv_value): Likewise.
 962         (find_splittable_regs): Likewise.  Only create one new pseudo
 963         if we have multiple address GIVs that were combined with the same
 964         dst_reg GIV.  Note when a new register is created due to unrolling.
 965         * rtl.c (reg_note_name): Add REG_NOALIAS.
 966         * rtl.h (enum reg_note): Similarly.
 967         (rtx_varies_p, may_trap_p, side_effects_p): Declare.
 968         (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
 969         (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
 970         (true_dependence, read_dependence, anti_dependence): Likewise.
 971         (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
 972         (mark_user_reg, mark_reg_pointer): Likewise.
 973
 974
 975         * Integrate reload bugfix from Wilon which enables the PA port
 976         to bootstrap again.
 977         * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
 978         OPERAND_ADDRESS when computing how many registers an insn needs.
 979         (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
 980         conflict.
 981         (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
 982         OPADDR_ADDR reload.
 983         (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
 984         in reload_reg_use_in_op_addr do not reach the end.
 985         do not reach the end.
 986         (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
 987         RELOAD_FOR_OPERAND_ADDRESS.
 988
 989 Sun Aug 10 12:00:20 1997  Jeffrey A Law  (law@cygnus.com)
 990
 991         * egcs project officially starts.
 992