gcc/ChangeLog

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