gcc/ChangeLog

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