gcc/ChangeLog

   1 Sat Sep 13 15:51:11 1997  Manfred Hollstein  <manfred@s-direktnet.de>
   2
   3         * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
   4
   5 Sat Sep 13 12:57:26 1997  Jeffrey A Law  (law@cygnus.com)
   6
   7         * haifa-sched.c (add_branch_dependences): Make each insn in
   8         a SCHED_GROUP_P block explicitly depend on the previous insn.
   9
  10 Thu Sep 11 17:43:55 1997  Jim Wilson  <wilson@cygnus.com>
  11
  12         * configure.in (native_prefix): Delete.
  13         (mips-dec-netbsd): Don't set prefix.
  14         (*linux*): Don't set prefix.
  15
  16 Thu Sep 11 15:48:32 1997  Fred Fish  <fnf@ninemoons.com>
  17
  18         * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
  19         defined.  If not defined, include <sys/varargs.h> if
  20         HAVE_SYS_VARARGS_H is defined.
  21         * configure.in: Test for varargs.h and sys/varargs.h.
  22         * configure: Regenerate with autoconf.
  23         * config.in: Regenerate with autoheader.
  24
  25         * cpplib.c (quote_string): Cast first arg of sprintf call
  26         from "unsigned char *" to "char *".
  27         (output_line_command): Ditto.
  28         (macroexpand): Ditto.
  29         (do_line): Cast atoi arg from "unsigned char *" to "char *".
  30
  31 Wed Sep 10 21:37:30 1997  Jeffrey A Law  (law@cygnus.com)
  32
  33         * version.c: Bump for snapshot.
  34
  35         * Makefile.in (compare): Exit with nonzero status if there
  36         are comparison failures.  Note which files failed the
  37         comparison test in .bad_compare.
  38
  39 Wed Sep 10 17:05:46 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
  40
  41         * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
  42
  43 Wed Sep 10 16:37:28 1997  Fred Fish  <fnf@ninemoons.com>
  44
  45         * Makefile.in (LN, LN_S): New macros, use where appropriate.
  46         * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
  47         * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
  48         * configure: Regenerated.
  49
  50 Thu Sep 11 11:09:43 1997  Jeffrey A Law  (law@cygnus.com)
  51
  52         * loop.c (strength_reduce): Fix typo.
  53
  54 Wed Sep 10 16:01:15 1997  Jim Wilson  <wilson@cygnus.com>
  55
  56         * m88k/m88k.c (struct option): Rename to struct options.
  57         * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
  58         * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
  59         * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
  60         __DOLPHIN__ or sysV88.
  61
  62 Wed Sep 10 14:58:40 1997  Jim Wilson  <wilson@cygnus.com>
  63
  64         * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
  65         create new subreg.
  66
  67 Wed Sep 10 15:19:22 1997  Jeffrey A Law  (law@cygnus.com)
  68
  69         * config.sub: Accept 'amigados' for backward compatability.
  70
  71 Wed Sep 10 14:05:08 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
  72
  73         * Makefile.in (testsuite/site.exp): New target.
  74         (check-gcc, check-g++): Depend on testsuite/site.exp.
  75         Don't stop for failure.
  76
  77 Wed Sep 10 01:38:30 1997  Doug Evans  <dje@cygnus.com>
  78
  79         Add port done awhile ago for the ARC cpu.
  80         * arc/arc.h: New file.
  81         * arc/arc.c: New file.
  82         * arc/arc.md: New file.
  83         * arc/initfini.c: New file.
  84         * arc/lib1funcs.asm: New file.
  85         * arc/t-arc: New file.
  86         * arc/xm-arc.h: New file.
  87         * ginclude/va-arc.h: New file.
  88         * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
  89         * ginclude/varargs.h: Likewise.
  90         * Makefile.in (USER_H): Add va-arc.h.
  91         * configure.in (arc-*-elf*): Recognize.
  92         * longlong.h: Add ARC support.
  93
  94 Wed Sep 10 01:32:54 1997  Jeffrey A Law  (law@cygnus.com)
  95
  96         * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
  97         when clearing non-BLKmode data.
  98
  99 Wed Sep 10 00:29:29 1997  Manfred Hollstein  <manfred@s-direktnet.de>
 100
 101         * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
 102         * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
 103
 104         * xm-m88k.h (USG): Only define if it hasn't already been defined.
 105
 106         * Makefile.in (risky-stage1): Delete gratutious whitespace.
 107
 108         * Makefile.in (clean): Delete libgcc1-test.
 109
 110         * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
 111
 112 Tue Sep  9 17:07:36 1997  Stan Cox  <coxs@dg-rtp.dg.com>
 113
 114         * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
 115         template.
 116
 117 Tue Sep  9 09:12:17 1997  Jeffrey A Law  (law@cygnus.com)
 118
 119         * haifa-sched.c (print_value): Fix last change.
 120
 121 Mon Sep  8 15:15:11 1997  Nick Clifton  <nickc@cygnus.com>
 122
 123         * v850.h (ASM_SPEC): Pass on target processor.
 124         (CPP_PREDEFINES): Only define if not already specified.
 125         (TARGET_VERSION): Only define if not already specified.
 126         (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
 127         processor.
 128         (EXTRA_SWITCHES): Extra entries in the switches array.
 129         (TARGET_DEFAULT): Set default target processor.
 130
 131 Mon Sep  8 18:26:35 1997  Jim Wilson  <wilson@cygnus.com>
 132
 133         * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
 134         cases, add %# and %/, and add : to make them into extended asms.
 135
 136 Sun Sep  7 23:57:50 1997  Weiwen Liu  <liu@hepunix.physics.yale.edu>
 137
 138         * alias.c (init_alias_analysis): Clean up incompatible pointer
 139         type warning in bzero.
 140         * regmove.c (regmove_optimize): Ditto.
 141         * haifa-sched.c (find_rgns): Ditto.
 142
 143         * haifa-sched.c (print_value): Clean up ptr->int cast
 144         warnings.
 145
 146 Sun Sep  7 23:18:32 1997  Fred Fish  <fnf@ninemoons.com>
 147
 148         * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
 149         * install.texi (Configurations): Ditto.
 150         * config.sub: Ditto.
 151
 152 Sun Sep  7 22:56:56 1997  Weiwen Liu  (liu@hepvms.physics.yale.edu)
 153
 154         * Makefile.in (sdbout.o): Depend on insn-config.h.
 155
 156 Sun Sep  7 18:44:50 1997  Jim Wilson  <wilson@cygnus.com>
 157
 158         * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
 159         For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
 160
 161 Sun Sep  7 18:30:46 1997  Jason Merrill  <jason@yorick.cygnus.com>
 162
 163         * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
 164         prologue insn, only the first elt is significant.
 165         (output_call_frame_info): For exception handling, always use 4-byte
 166         fields as specified by the dwarf2 spec.
 167         Don't skip trivial FDEs.
 168
 169 Sun Sep  7 14:19:39 1997  Jeffrey A Law  (law@cygnus.com)
 170
 171         * version.c: Bump for snapshot.
 172
 173 Sun Sep  7 14:17:36 1997  Torbjorn Granlund  (tege@pdc.kth.se)
 174
 175         * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
 176         for negative constants.  Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
 177         when op1_is_pow2.
 178
 179 Sun Sep  7 13:46:46 1997  Jeffrey A Law  (law@cygnus.com)
 180
 181         * final.c (shorten_branches): During first pass, assume worst
 182         possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
 183
 184         * Makefile.in (distclean): Remove various things left around
 185         by running the testsuite.
 186
 187 Sun Sep  7 13:16:06 1997  Manfred Hollstein  <manfred@s-direktnet.de>
 188
 189         * configure.in (out_file): Emit definition to config.status in order
 190         to have a defined value for configure.lang.
 191         * configure: Re-built.
 192
 193 Sun Sep  7 09:59:08 1997  Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
 194
 195         * configure.in: Make symlink to as-new rather than as.new.  Similarly
 196         for ld-new.
 197         * configure: Rebuilt.
 198
 199 Fri Sep  5 16:54:55 1997  Jim Wilson  <wilson@cygnus.com>
 200
 201         * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
 202
 203 Fri Sep  5 16:16:44 1997  Christian Kuehnke  <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
 204
 205         * sparc/sparc.md: Add ultrasparc scheduling support.
 206         * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
 207
 208 Fri Sep  5 14:04:59 1997  Philippe De Muyter  <phdm@info.ucl.ac.be>
 209
 210         * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
 211         as initial value for real_label_map.
 212         (copy_for_inline): Likewise.
 213
 214 Fri Sep  5 13:36:44 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 215
 216         * sched.c (update_flow_info) When looking if to set found_split_dest
 217         or found_orig_dest, look at all parts of a PARALLEL.
 218         * haifa-sched.c (update_flow_info): Likewise.
 219
 220 Fri Sep  5 10:08:44 1997  Jeffrey A Law  (law@cygnus.com)
 221
 222         * v850: New directory for v850 port.
 223         * v850/lib1funcs.asm: New file.
 224         * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
 225         * ginclude/va-v850.h: New file.
 226         * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
 227         * configure.in (mn10200-*-*): New target.
 228         * configure: Rebuilt.
 229         * config.sub: Handle v850-elf.
 230         * Makefile.in (USER_H): Add va-mn10200.h.
 231         * invoke.texi: Document v850 stuff.
 232
 233 Fri Sep  5 09:37:50 1997  Jim Wilson  (wilson@cygnus.com)
 234
 235         * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
 236         has integer TYPE_{MAX,MIN}_VALUE before using them.
 237
 238         * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
 239         __HPUX_ASM__ versions.
 240
 241 Fri Sep  5 09:08:44 1997  Jeffrey A Law  (law@cygnus.com)
 242
 243         * install.sh: Delete duplicate install script.
 244
 245 Thu Sep  4 23:14:27 1997  Stan Cox  (coxs@dg-rtp.dg.com)
 246
 247         * reg-stack.c (subst_stack_regs): Pop the stack register for a
 248         computed goto which sets the same stack register.
 249
 250         * reg-stack.c (compare_for_stack_reg): Swap only if the source and
 251         destination are both on the regstack.
 252         (subst_stack_regs_pat): Put the destination at the top of the regstack.
 253
 254 Thu Sep  4 15:02:27 1997  Jim Wilson  <wilson@cygnus.com>
 255
 256         * mips.md (nonlocal_goto_receiver): Define.
 257
 258         * profile.c (output_arc_profiler): Check next_insert_after for non
 259         NULL before deferencing it.
 260
 261         * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
 262
 263 Thu Sep  4 14:51:57 1997  Jeffrey A Law  (law@cygnus.com)
 264
 265         * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
 266
 267 Thu Sep  4 15:01:49 1997  Michael Meissner  <meissner@cygnus.com>
 268
 269         * toplev.c (rest_of_compilation): For passes starting with
 270         flow_analysis, use print_rtl_with_bb instead of print_rtl.
 271
 272         * print-rtl.c (print_rtl_single): Print a single rtl value to a
 273         file.
 274
 275         * flow.c (print_rtl_with_bb): Print which insns start and end
 276         basic blocks.  For the start of a basic block, also print the live
 277         information.
 278
 279 Thu Sep  4 11:51:43 1997  Jim Wilson  <wilson@cygnus.com>
 280
 281         * toplev.c (main): Change #elif to #else/#ifdef
 282
 283         * tlink.c: Include ctype.h.
 284         * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
 285
 286 Thu Sep  4 11:17:16 1997  Mikeael Meissner  (meissner@cygnus.com)
 287
 288         * bitmap.c: Conditionally include stdlib.h.
 289         (free): Provide a declaration if NEED_DECLARATION_FREE.
 290
 291 Thu Sep  4 09:58:53 1997  Joel Sherrill  (joel@OARcorp.com)
 292
 293         * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
 294
 295 Thu Sep  4 09:53:20 1997  Jim Wilson  (wilson@cygnus.com)
 296
 297         * profile.c (output_arc_profiler): Verify next_insert_after is an
 298         INSN before and after skipping a stack pop.
 299
 300 Thu Sep  4 07:39:19 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 301
 302         * final.c (shorten_branches): Don't count the lengths of deleted
 303         instructions.
 304
 305 Thu Sep  4 09:43:01 1997  Jeffrey A Law  (law@cygnus.com)
 306
 307         * version.c: Bump for snapshot.
 308
 309 Thu Sep  4 11:04:21 1997  Michael Meissner  <meissner@cygnus.com>
 310
 311         * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
 312         two bitmaps ANDed together.
 313         (bitmap_print): Declare.
 314
 315         * bitmap.c (function_obstack): Don't declare any more.
 316         (bitmap_obstack): Obstack for allocating links from.
 317         (bitmap_obstack_init): New static to say whether to initialize
 318         bitmap_obstack.
 319         (bitmap_element_allocate): Use bitmap_obstack to allocate from.
 320         (bitmap_release_memory): Free all memory allocated from
 321         bitmap_obstack.
 322
 323         * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
 324         EXECUTE_IF_AND_IN_BITMAP.
 325
 326 Wed Sep  3 10:39:42 1997  Jim Wilson  <wilson@cygnus.com>
 327
 328         * alias.c (true_dependence): Address with AND can alias scalars.
 329         (anti_dependence, output_dependence): Likewise.
 330
 331         * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
 332
 333 Wed Sep  3 09:28:50 CDT 1997  Joel Sherrill (joel@OARcorp.com)
 334
 335         * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
 336           mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
 337           sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
 338           definitions.  Use -qrtems instead of -mrtems.
 339
 340 Wed Sep  3 09:05:41 1997  Robert Lipe  (robert@dgii.com)
 341
 342         * xm-sco5.h (sys_siglist): Define.
 343         (SYS_SIGLIST_DECLARED): Likewise.
 344
 345 Tue Sep  2 23:33:33 1997  Jeffrey A Law  (law@cygnus.com)
 346
 347         * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
 348
 349 Wed Sep  3 02:09:30 1997  Torbjorn Granlund  <tege@pdc.kth..se>
 350
 351         * except.c (eh_outer_context): Expand masking operation using
 352         expand_binop.
 353
 354 Tue Sep  2 18:09:39 1997  Jim Wilson  <wilson@cygnus.com>
 355
 356         * alpha.md (floatdisf2-1): New pattern.
 357
 358 Tue Sep  2 18:41:55 1997  Jeffrey A Law  (law@cygnus.com)
 359
 360         * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
 361         * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
 362         * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
 363         * gcc.texi: Note that if you define sys_siglist that you should
 364         also define SYS_SIGLIST_DECLARED.
 365
 366         * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
 367         are relative to the next instruction, not the current instruction.
 368
 369 Tue Sep  2 14:22:43 1997  Jim Wilson  <wilson@cygnus.com>
 370
 371         * local-alloc.c (contains_replace_regs): New function.
 372         (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
 373         verify that there is no existing REG_EQUIV note, and add a call to
 374         contains_place_regs.
 375
 376 Tue Sep  2 12:48:11 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
 377
 378         * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
 379         (STARTFILE_SPEC): Always use crtbegin.o%s
 380         (ENDFILE_SPEC): Always use crtend.o%s.
 381
 382 Tue Sep  2 12:00:36 1997  Jim Wilson  <wilson@cygnus.com>
 383
 384         * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
 385         is passed in.
 386         * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
 387         SFmode for 64 bit hosts.
 388
 389 Tue Sep  2 13:42:38 1997  Paul N. Hilfinger  <hilfingr@CS.Berkeley.EDU>
 390
 391         * fixincludes: Permits spaces between # and define.  Discard C++
 392         comments in sys/pci.h on HP/UX 10.20.
 393
 394 Mon Sep  1 22:13:18 1997  Jeffrey A Law  (law@cygnus.com)
 395
 396         * version.c: Bump for snapshot.
 397
 398         * pa.c (restore_unscaled_index_insn_codes): New function.
 399         (record_unscaled_index_insn_codes): Likewise.
 400         (output_function_prologue): Call restore_unscaled_index_insn_codes.
 401         (output_function_epilogue): Free memory for unscaled_index_insn_codes.
 402         (pa_reorg): Call record_unscaled_index_insn_codes.
 403
 404         * haifa-sched.c (move_insn): Handle notes correctly for insns
 405         with SCHED_GROUP_P set.
 406
 407 Mon Sep  1 16:58:57 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
 408
 409         * alpha/xm-linux.h (USE_BFD): Undef before define.
 410
 411 Mon Sep  1 16:25:34 1997  Jim Wilson  <wilson@cygnus.com>
 412
 413         * cse.c (cse_insn): Don't record BLKmode values.
 414
 415 Mon Sep  1 11:25:47 1997  Stephen Williams  (steve@icarus.icarus.com)
 416
 417         * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
 418
 419 Mon Sep  1 08:29:46 1997  Jeffrey A Law  (law@cygnus.com)
 420
 421         * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
 422         * collect2.c (sys_errlist): Likewise.
 423         * cpplib.c (sys_errlist): Likewise.
 424         * gcc.c (sys_errlist): Likewise.
 425         * protoize (sys_errlist): Likewise.
 426         * configure.in: Check for strerror.
 427         * xm-freebsd.h (HAVE_STRERROR): Remove definition.
 428         * xm-gnu.h (HAVE_STRERROR): Likewise.
 429         * xm-linux.h (HAVE_STRERROR): Likewise.
 430         * xm-netbsd.h (HAVE_STRERROR): Likewise.
 431         * xm-bsd386.h (HAVE_STRERROR): Likewise.
 432         * xm-cygwin32.h (HAVE_STRERROR): Likewise.
 433         * xm-dos.h (HAVE_STRERROR): Likewise.
 434         * xm-mingw32.h (HAVE_STRERROR): Likewise.
 435         * xm-pa.h (HAVE_STRERROR): Likewise.
 436         * xm-papro.h (HAVE_STRERROR): Likewise.
 437         * xm-sysv4.h (HAVE_STRERROR): Likewise.
 438         * configure, config.in: Rebuilt.
 439
 440         * Makefile.in: Add several missing "else true" clauses.
 441
 442         * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
 443         * mips-tfile.c: Likewise.
 444         * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
 445         * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
 446         * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
 447         * configure.in: Check for sys_siglist declaration.
 448         * configure, config.in: Rebuilt.
 449
 450 Mon Sep  1 08:04:07 1997  Joel Sherrill (joel@OARcorp.com)
 451
 452         * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
 453         m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
 454         sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
 455         * i960/i960.h: Added SUBTARGET_SWITCHES macro.
 456         * rs6000/sysv4.h (extra_subtarget_switches): Added new
 457         macro EXTRA_SUBTARGET_SWITCHES.
 458         * configure.in (sh*-*-rtems*): New target.
 459         * sh/rtems.h: New file.
 460         * sh/sh.h: Added SUBTARGET_SWITCHES macro.
 461         * configure: Rebuilt.
 462
 463 Sat Aug 30 22:54:26 1997  Jim Wilson  <wilson@cygnus.com>
 464
 465         * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
 466
 467 Sat Aug 30 10:49:46 1997  David Edelsohn  <edelsohn@mhpcc.edu>
 468
 469         * rs6000.md: Make DF fused-add operations pay attention to
 470         -mno-fused-add.
 471
 472 Fri Aug 29 19:19:54 1997  Jim Wilson  <wilson@cygnus.com>
 473
 474         * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
 475
 476 Fri Aug 29 16:13:51 1997  Jeffrey A Law  (law@cygnus.com)
 477
 478         * pa.md (reload_peepholes): Make sure operand is a REG before
 479         examining REGNO.  Allow general registers too.
 480
 481 Fri Aug 29 11:42:04 1997  Jim Wilson  <wilson@cygnus.com>
 482
 483         * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
 484
 485 Fri Aug 29 09:33:20 1997  Philipp Thomas  (kthomas@lxi165.gwdg.de)
 486
 487         * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
 488         to reallocate abbrev_die_table.
 489
 490 Thu Aug 28 15:14:46 1997  Jim Wilson  <wilson@cygnus.com>
 491
 492         * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
 493
 494 1997-08-27  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 495
 496         * Makefile.in (config.status): Depend on version.c
 497
 498         * expr.h (insn_gen_function): Reenable prototype.
 499
 500         * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
 501         first parameter.
 502
 503 Thu Aug 28 13:01:43 1997  Jim Wilson  <wilson@cygnus.com>
 504
 505         * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
 506
 507 Thu Aug 28 07:03:15 1997  Jeffrey A Law  (law@cygnus.com)
 508
 509         * version.c: Bump for latest snapshot.
 510
 511         * bc-optab.c: Conditionally include stdlib.h.
 512         (free): Provide a declaration if NEED_DECLARATION_FREE.
 513         * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
 514         * rtl.h (free): Remove declaration.
 515         * tree.h (free): Remvoe declaration.
 516
 517         * configure: Rebuilt.
 518
 519 Wed Aug 27 21:32:20 1997  Jeffrey A Law  (law@cygnus.com)
 520
 521         * flags.h (flag_move_all_movables): Declare.
 522         (flag_reduce_all_givs): Likewise.
 523         * loop.c (move_movables): Handle flag_move_all_movables.
 524         (strength_reduce): Handle flag_reduce_all_givs.
 525         * toplev.c (flag_move_all_movables): Define.
 526         (flag_reduce_all_givs): Likewise.
 527         (f_options): Add -fmove-all-movables and -freduce-all-givs.
 528         * invoke.texi: Document new options, including alias stuff that
 529         wasn't included last time.
 530
 531 Wed Aug 27 18:08:51 1997  Bob Manson  (manson@cygnus.com)
 532
 533         * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
 534         * t-mn10200: Ditto.
 535         * t-vxsparc: Ditto.
 536         * t-vxworks68: Ditto.
 537         * t-vxworks960: Ditto.
 538         * t-vx29k: Ditto.
 539
 540 Wed Aug 27 16:35:29 1997  Richard Henderson  <rth@cygnus.com>
 541
 542         * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
 543         if not already defined, and USE_C_ALLOCA not defined.
 544
 545 Wed Aug 27 16:08:43 1997  Jim Wilson  <wilson@cygnus.com>
 546
 547         * config.guess: Replace with script that uses ../config.guess.
 548
 549         * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
 550         if USE_GNULIBC_1 is not defined.
 551
 552 Wed Aug 27 15:49:12 1997  Richard Henderson  <rth@cygnus.com>
 553
 554         * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
 555         * config.guess: Recognize alpha-linux-gnulibc1.
 556         * configure.in (alpha-*-linux-gnulibc1): New target.
 557         (alpha-*-linux-gnu*): Don't build crtbegin/end.
 558
 559 Wed Aug 27 11:52:58 1997  Jim Wilson  <wilson@cygnus.com>
 560
 561         * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
 562         last change.
 563
 564 Wed Aug 27 01:56:18 1997  Doug Evans  <dje@seba.cygnus.com>
 565
 566         * loop.c (combine_movables): Earlier insns don't match later ones.
 567
 568 Wed Aug 27 01:24:25 1997  H.J. Lu   (hjl@gnu.ai.mit.edu)
 569
 570         * config/linux.h (CC1_SPEC): Define it only if not defined.
 571
 572         * config/m68k/linux.h (CC1_SPEC): Undefine it before include
 573         <linux.h>
 574
 575         * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
 576         USE_GNULIBC_1 is not defined.
 577
 578         * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New.  Defined as 1.
 579
 580         * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
 581         as 1 if USE_GNULIBC_1 is not defined.
 582
 583 Wed Aug 27 00:49:14 1997  Jeffrey A Law  (law@cygnus.com)
 584
 585         * reorg.c (dbr_schedule): Allow current_function_return_rtx
 586         to be something other than a REG.
 587         * function.c (expand_function_end): Fix current_function_return_rtx
 588         if it was a pseudo.
 589
 590         * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
 591         * x-netbsd: Likewise
 592         * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
 593         (INSTALL_HEADERS): Delete.
 594         * x-dguxbcs: Likewise.
 595         * x-hp3bsd44: Likewise
 596         * x-pa: Likewise.
 597
 598 Wed Aug 27 00:30:00 1997  Bernd Schmidt  <crux@pool.informatik.rwth-aachen.de>
 599
 600         * i386.md (pop): pop increments the stack pointer.
 601         (prologue_set_stack_ptr): New pattern.
 602         * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
 603         instead of subsi3.
 604
 605 Tue Aug 26 18:50:32 1997  Jim Wilson  <wilson@cygnus.com>
 606
 607         * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
 608         address where an offsettable address is required.
 609
 610 Tue Aug 26 17:54:56 1997  Michael P. Hayes  (michaelh@ongaonga.chch.cri.nz>
 611
 612         * loop.c (check_final_value): Don't miss a biv increment in a
 613         parallel.
 614
 615 Tue Aug 26 12:03:49 1997  Jim Wilson  (wilson@cygnus.com)
 616
 617         * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
 618         TYPE_DECL_IS_STUB instead of DECL_NAME.
 619
 620 Mon Aug 25 23:27:10 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
 621
 622         * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
 623
 624 Mon Aug 25 23:27:10 1997  Jim Meyering <meyering@eng.ascend.com>
 625
 626         * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
 627
 628 Mon Aug 25 13:12:24 1997  Jeffrey A Law  (law@cygnus.com)
 629
 630         * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
 631         (find_post_sched_live): Likewise.
 632
 633         * haifa-sched.c (schedule_block): Remove old code to get arguments
 634         from hard regs into pseudos early.
 635
 636 Mon Aug 25 08:55:00 1997  Jeffrey A Law  (law@cygnus.com)
 637
 638         * version.c: Bump for new snapshot.
 639
 640         * local-alloc.c (update_equiv_regs): All the target to reject
 641         promotion of some REG_EQUAL to REG_EQUIV notes.
 642         * pa.h (DONT_RECORD_EQUIVALENCE): Define.
 643
 644         * pa.c (secondary_reload_class): (mem (mem ... )) does not need
 645         secondary reloads.
 646
 647         * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
 648         store of the argument registers.
 649
 650 Mon Aug 25 08:39:02 1997  Craig Burley  (burley@gnu.ai.mit.edu)
 651
 652         * fold-const.c (multiple_of_p): New function.
 653         (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
 654
 655 Mon Aug 25 01:47:41 1997  Jeffrey A Law  (law@cygnus.com)
 656
 657         * expr.h (insn_gen_function): Temporarily remove prototype.
 658
 659 Sun Aug 24 17:22:21 1997  Jim Wilson  <wilson@cygnus.com>
 660
 661         * Makefile.in (install-info): Don't cd into srcdir.  Add srcdir to
 662         filenames.  Use sed to extract base filename for install.
 663
 664 Sat Aug 23 18:19:40 1997  John F. Carr  <jfc@mit.edu>
 665
 666         * unroll.c (find_splittable_givs): Only share if two givs have the
 667         same add and multiply values.
 668
 669 Sat Aug 23 14:36:27 1997  Jim Wilson  <wilson@cygnus.com>
 670
 671         * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
 672         * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
 673
 674 Sat Aug 23 00:18:22 1997  Jeffrey A Law  (law@cygnus.com)
 675
 676         * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
 677         around branch tables.
 678         * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
 679         and .end_brtab directives if TARGET_GAS.
 680
 681 Fri Aug 22 14:05:55 1997  Jim Wilson  <wilson@cygnus.com>
 682
 683         * alias.c (true_dependence): Pass x_addr not x to varies.
 684
 685         * acconfig.h (NEED_DECLARATION_CALLOC): Add.
 686         * configure.in: Add GCC_NEED_DECLARATION call for calloc.
 687         * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
 688         declarations.
 689         * config.in, configure: Regenerate.
 690
 691 Thu Aug 21 23:52:16 1997  John F. Carr  <jfc@mit.edu>
 692
 693         * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
 694         LO_SUM.
 695         (record_set): Handle LO_SUM like PLUS.
 696         (init_alias_analysis): When following chains of base addresses,
 697         do not stop on reaching a hard register.
 698
 699 Thu Aug 21 20:17:37 1997  Jeffrey A Law  (law@cygnus.com)
 700
 701         * version.c: Bump for new snapshot.
 702
 703 Thu Aug 21 17:28:00 1997  Jim Wilson  <wilson@cygnus.com>
 704
 705         * alpha.h (ARCH_ASM_FILE_START): Define.
 706         (ASM_FILE_START): Use ARCH_ASM_FILE_START.
 707         * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
 708
 709 Thu Aug 21 10:22:19 1997  Jeffrey A Law  (law@cygnus.com)
 710
 711         * Makefile.in (install-common): Put gcov comment at start of line.
 712
 713 Wed Aug 20 22:47:33 1997  Jeffrey A Law  (law@cygnus.com)
 714
 715         * alias.c (init_alias_analysis): When simplifying the reg_base_value
 716         array, simplify entries for hard registers too.
 717
 718 Wed Aug 20 12:35:47 1997  Dave Love  <d.love@dl.ac.uk>
 719
 720         * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
 721         list.
 722
 723 Wed Aug 20 11:58:33 1997  Jim Wilson  <wilson@cygnus.com>
 724
 725         * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
 726         block_stack before dereferencing it.
 727
 728 Wed Aug 20 11:57:11 1997  Michael Meissner  <meissner@cygnus.com>
 729
 730         * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
 731
 732 Tue Aug 19 17:10:56 1997  Jason Merrill  <jason@yorick.cygnus.com>
 733
 734         * cplus-dem.c: Add 'extern' to prepends_underscore.
 735
 736 Tue Aug 19 09:34:57 1997  Jeffrey A Law  (law@cygnus.com)
 737
 738         * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
 739         (get_issue_rate): Delete.
 740         * pa.h (ISSUE_RATE): Define.
 741
 742         * configure.in: Turn on haifa by default for the PA.
 743         * configure: Rebuilt.
 744         * pa.c (override_options): Accept -mschedule=7200 option.
 745         (pa_adjust_cost): No longer need to scale costs for newer
 746         processors.
 747         * pa.h (enum processor_type): Add PROCESSOR_7200.
 748         * pa.md: Revamp scheduling parameters to work better with
 749         haifa.  Add scheduling parameters for the 7200.
 750
 751         * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
 752         insns too.
 753         (schedule_block): When adjusting basic_block_{head,end}, account
 754         for movement of SCHED_GROUP_P insns too.
 755
 756         * haifa-sched.c (debug_dependencies): Fix thinko.
 757
 758         * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
 759         (site.exp, check, check-g++, check-gcc): New targets.
 760
 761         * haifa-sched.c: Make lots of variables static.
 762
 763 Tue Aug 19 07:18:34 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
 764
 765         * expr.h, real.h: Finish prototyping.
 766
 767 Mon Aug 18 21:49:02 1997  Jim Wilson  <wilson@cygnus.com>
 768
 769         * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
 770         reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
 771         * reload1.c: Undo bugfix from Aug 11.
 772
 773 Mon Aug 18 17:39:02 1997  Mike Meissner  <meissner@cygnus.com>
 774
 775         * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
 776         quotes around the name.
 777         * configure: Regenerate.
 778
 779 Mon Aug 18 13:46:47 1997  Jim Wilson  <wilson@cygnus.com>
 780
 781         * Makefile.in (stmp-multilib-sub): Fix typo in last change.
 782
 783 Thu Aug  7 10:33:13 1997  Manfred Hollstein  <manfred@s-direktnet.de>
 784
 785         * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
 786         to sub-makes to avoid building more passes than the user might have
 787         requested on the command line.
 788
 789 Sun Aug 17 15:42:17 1997  Dave Love  (d.love@dl.ac.uk)
 790
 791         * configure.in: Expurgate `broken_install' (install is
 792         autoconfed).
 793
 794         * configure.lang: Substitute autoconfed ${INSTALL} (not currently
 795         relevant).
 796
 797 Sat Aug 16 01:08:12 1997  Jeffrey A Law  (law@cygnus.com)
 798
 799         * loop.c (is_power_of_2, is_conditional_branch): Delete unused
 800         functions and declarations.
 801         (analyze_loop_iterations): Use condjump_p.
 802         (insert_bct): Likewise.  Use exact_log2.
 803
 804 Fri Aug 15 23:48:32 1997  Jeffrey A Law  (law@cygnus.com)
 805
 806         * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
 807         (schedule_region): Likewise.
 808         (schedule_insns): Likewise.
 809
 810         * PROJECTS: Update with Haifa stuff.
 811
 812 Fri Aug 15 12:49:56 1997  Jeffrey A Law  (law@cygnus.com)
 813
 814         * version.c: Change the version string to look like:
 815         egcs-2.90.00 970814 (gcc2-970802 experimental).
 816
 817         * loop.c (is_conditional_branch): Make definition match declaration.
 818
 819         * gcc.c: Take out experimental snapshot warning message.
 820
 821 Fri Aug 15 13:43:39 1997  Michael Meissner  <meissner@cygnus.com>
 822
 823         * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
 824         print out the names of the notes.  Print out the name of the insn
 825         that is not a note, and not an {,CALL_,JUMP_}INSN.
 826
 827 Wed Aug 13 01:03:37 1997  Doug Evans  <dje@canuck.cygnus.com>
 828
 829         * configure.in (haifa configury): Fix typo.
 830         * configure: Regenerate.
 831
 832 Tue Aug 12 10:20:36 1997  Jeffrey A Law  (law@cygnus.com)
 833
 834         * version.c: Bump version to "gcc-3.0.0 970802 experimental".
 835
 836         * gcc.info*: Rebuilt.
 837
 838         * COPYING.g77, README.g77: New files.
 839         * real.c (ereal_unto_float, ereal_unto_double): New functions.
 840         * real.h (ereal_unto_float, ereal_unto_double): Declare them.
 841         (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
 842
 843 Mon Aug 11 14:50:55 1997  Jeffrey A Law  (law@cygnus.com)
 844
 845         * Integrate Haifa instruction scheduler.
 846         * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS.  Prefix all references
 847         to sched with $(SCHED_CFLAGS.
 848         * configure.in: Handle --enable-haifa.
 849         * configure: Rebuilt.
 850         * flags.h: Add new flags for haifa instruction scheduler.
 851         * genattrtab.c (expand_units): For haifa, don't subtract one
 852         when computing blockage.
 853         * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
 854         (flag_schedule_speculative): Ditto.
 855         (flag_schedule_speculative_load): Ditto.
 856         (flag_schedule_speculative_load_dangerous): Ditto.
 857         (flag_schedule_reverse_before_reload): Ditto.
 858         (flag_schedule_reverse_after_reload): Ditto.
 859         (flag_branch_on_count_reg): Ditto.
 860         (f_options): Add Haifa switches.
 861         (main): Turn off some Haifa options if appropriate macro is
 862         defined.  Process Haifa switches.
 863         * unroll.c (iteration_info): No longer static, since Haifa
 864         scheduler uses it.
 865         (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
 866         * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
 867         * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
 868         * loop.h (loop_initial_value,loop_unroll_iter): New globals.
 869         * loop.c (loop_optimize): If HAIFA is defined, allocate additional
 870         storage for the Haifa scheduler.
 871         (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
 872         LABEL_NEXTREF.
 873         (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
 874         are defined, call analyze_loop_iterations and insert_bct to use
 875         countdown loops.
 876         (record_giv): Refine test for jumps out of loops if HAIFA is
 877         defined.
 878         (analyze_loop_iterations): New function to identify if we can use
 879         a countdown loop.
 880         (insert_bct): Insert countdown loop.
 881         (instrument_loop_bct): Low level code to insert countdown loop.
 882         (loop_number): Calculate UID of loop.
 883         (indirect_jump_in_function_p): Return true if an indirect jump is
 884         in the function.
 885         (is_power_of_2): Return true if value is a power of 2.
 886         (is_conditional_branch): Return true if insn is a conditional
 887         jump.
 888         (fix_bct_param): Process -fbct-{min,max}-N switches.
 889         (check_bct_param): Return true if loop should be instrumented.
 890         * loop.c (loop_initial_value,loop_unroll_iter): New globals.
 891         (loop_optimize): Initialize.
 892         (get_condition_for_loop): Ditto.
 893         * loop.c (strength_reduce): Inside of code that uses #ifdef
 894         HAVE_decrement_and_branch_on_count code, test it to make sure the
 895         condition is true.
 896         (instrument_loop_bct): Ditto.
 897         * haifa-sched.c: New file.
 898
 899
 900         * Integrate regmove pass.
 901         * Makefile.in (OBJS): Add regmove.o
 902         (regmove.o): Add dependencies.
 903         * flow.c (find_use_as_address): No longer static.
 904         * rtl.h (find_use_as_address): Declare.
 905         * toplev.c (regmove_dump, flag_regmove): Define.
 906         (f_options): Add -fregmove.
 907         (regmove_dump_file, regmove_time): Define.
 908         (fatal_insn): Close the regmove dump file.
 909         (compile_file): Initialize regmove_time; open/close the regmove dump
 910         file as needed.  Print regmove time as needed.
 911         (rest_of_compilation): Run regmove pass if requested, dump
 912         RTL after regmove if requested.
 913         (main): If -O2 or more, turn on regmove.  Handle dump switches.
 914         * regmove.c: New file.
 915
 916 Mon Aug 11 14:15:02 1997  Jeffrey A Law  (law@cygnus.com)
 917
 918         * Integrate tlink patch from jason@cygnus.com
 919         * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
 920         (process_command): Increment n_switches for them.  Don't discard
 921         their args.  Validate them.
 922         (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
 923         From Rohan Lenard.
 924         (process_command): Set include_prefixes from COMPILER_PATH.
 925         (main): Set COLLECT_GCC_OPTIONS sooner.
 926         * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
 927         * tlink.c, hash.c, hash.h: New files.
 928         * Makefile.in (USE_COLLECT2): Always use collect2.
 929         (collect2): Depend on and link in hash.o and tlink.o.
 930         (tlink.o, hash.o): Add dependencies.
 931
 932 Mon Aug 11 10:04:49 1997  Jeffrey A Law  (law@cygnus.com)
 933
 934         * Integrate alias analysis changes from jfc@mit.edu
 935         * Makefile.in (OBJS): Add alias.o
 936         (alias.o): Add dependencies.
 937         * alias.c: New file.
 938         * sched.c: Remove alias analysis code.  It lives in alias.c now.
 939         (sched_analyze_2): Add new arguments to true_dependence.
 940         (schedule_insns): Always call init_alias_analysis.
 941         * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
 942         mark return value from such functions as a pointer and keep track of
 943         them for alias analysis.  If a return value from a function is a
 944         pointer, mark it as such.
 945         * combine.c (distribute_notes): Handle REG_NOALIAS.
 946         * cse.c (struct write_data): Delete.  No longer needed.
 947         (invalidate): Don't call set_nonvarying_address_components anymore.
 948         Use true_dependence to decide if an entry should be removed from
 949         the hash table.
 950         (invalidate_memory): Remove WRITES argument, simplify appropriately.
 951         Fix all callers.
 952         (note_mem_written): Similarly for WRITE_PTR argument.
 953         (invalidate_from_clobbers): Similarly for W argument.
 954         (invalidate_for_call): Remove memory elements from the hash table.
 955         (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
 956         (cse_rtx_varies_p): New function.  Derived from old
 957         cse_rtx_addr_varies_p.
 958         (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
 959         Don't call note_mem_written anymore.  Stack pushes invalidate the stack
 960         pointer if PUSH_ROUNDING is defined.  No longer need to call
 961         cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
 962         (skipped_writes_memory): Remove variable.
 963         (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
 964         (invalidate_skipped_block): Simplify for new alias analysis code.
 965         (cse_set_around_loop): Likewise.
 966         (cse_main): Call init_alias_analysis.
 967         * flags.h (flag_alias_check, flag_argument_noalias): Declare.
 968         * toplev.c (flag_alias_check, flag_argument_noalias): Define.
 969         (f_options): Add new alias checking arguments.
 970         (main): Set flag_alias_check when optimizing.
 971         * local_alloc (validate_equiv_mem_from_store): Add new arguments
 972         to true_dependence.
 973         (memref_referenced_p): Likewise.
 974         * loop.c (NUM_STORES): Increase to 30.
 975         (prescan_loop): Only non-constant calls set unknown_address_altered.
 976         (invariant_p): Add new arguments to true_dependence.
 977         (record_giv): Initialize unrolled and shared fields.
 978         (emit_iv_add_mult): Call record_base_value as needed.
 979         * loop.h (struct induction): Add unrolled and shared fields.
 980         * unroll.c  (unroll_loop): Call record_base_value as needed.
 981         (copy_loop_body): Likewise.
 982         (final_biv_value): Likewise.
 983         (final_giv_value): Likewise.
 984         (find_splittable_regs): Likewise.  Only create one new pseudo
 985         if we have multiple address GIVs that were combined with the same
 986         dst_reg GIV.  Note when a new register is created due to unrolling.
 987         * rtl.c (reg_note_name): Add REG_NOALIAS.
 988         * rtl.h (enum reg_note): Similarly.
 989         (rtx_varies_p, may_trap_p, side_effects_p): Declare.
 990         (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
 991         (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
 992         (true_dependence, read_dependence, anti_dependence): Likewise.
 993         (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
 994         (mark_user_reg, mark_reg_pointer): Likewise.
 995
 996
 997         * Integrate reload bugfix from Wilon which enables the PA port
 998         to bootstrap again.
 999         * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
1000         OPERAND_ADDRESS when computing how many registers an insn needs.
1001         (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
1002         conflict.
1003         (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
1004         OPADDR_ADDR reload.
1005         (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
1006         in reload_reg_use_in_op_addr do not reach the end.
1007         do not reach the end.
1008         (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
1009         RELOAD_FOR_OPERAND_ADDRESS.
1010
1011 Sun Aug 10 12:00:20 1997  Jeffrey A Law  (law@cygnus.com)
1012
1013         * egcs project officially starts.
1014