gcc/ChangeLog

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