gcc/ChangeLog

   1 1997-09-18  Brendan Kehoe  <brendan@lisa.cygnus.com>
   2
   3         * configure.in, configure: Make sure to create the stage* and include
   4         symbolic links in each subdirectory.
   5
   6 Thu Sep 18 01:47:06 1997  Jeffrey A Law  (law@cygnus.com)
   7
   8         * pa.md (reload_peepholes): Don't allow addresses with side
   9         effects for the memory operand.
  10
  11 Wed Sep 17 18:19:53 1997  Jason Merrill  <jason@yorick.cygnus.com>
  12
  13         * libgcc2.c (find_exception_handler): Subtract one from our PC when
  14         looking for a handler, to avoid hitting the beginning of the next
  15         region.
  16
  17         * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
  18
  19 Wed Sep 17 18:33:59 1997  Jeffrey A Law  (law@cygnus.com)
  20
  21         * mips/abi64.h (LONG_MAX_SPEC): Define.
  22         * mips.h (LONG_MAX_SPEC): Define.
  23         (CPP_SPEC): Include long_max_spec.
  24         (EXTRA_SPECS): Include long_max_spec.
  25
  26 Wed Sep 17 14:11:38 1997  Jeffrey A Law  (law@cygnus.com)
  27
  28         * v850.c (construct_save_jarl): Fix thinko in last change.
  29
  30 Wed Sep 17 09:53:07 1997  Jeffrey A Law  (law@cygnus.com)
  31
  32         * version.c: Bump for snapshot.
  33
  34 Tue Sep 16 14:22:36 1997  Jason Merrill  <jason@yorick.cygnus.com>
  35
  36         * libgcc2.c (find_exception_handler): Not found is -1.
  37
  38         * integrate.c (expand_inline_function): Move expand_start_bindings
  39         after expanding the arguments.
  40
  41 Tue Sep 16 11:13:46 1997  Jim Wilson  <wilson@cygnus.com>
  42
  43         * expr.c (expand_expr): Remove previous incorrect change.
  44         If target and slot has no DECL_RTL, then call mark_addressable
  45         again for the slot after we give it RTL.
  46
  47 Tue Sep 16 09:18:52 1997  Jason Merrill  (jason@cygnus.com)
  48
  49         * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
  50         again for the slot after we give it RTL.
  51
  52 Tue Sep 16 00:13:20 1997  Nick Clifton  <nickc@cygnus.com>
  53
  54         * v850.c (register_is_ok_for_epilogue,
  55         pattern_is_ok_for_epilogue, construct_restore_jr,
  56         pattern_is_ok_for_prologue, construct_save_jarl): New functions.
  57
  58         * v850.h (pattern_is_ok_for_prologue,
  59         pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
  60         predicates.
  61
  62         * v850.md: Replace prologue and epilogue patterns with a
  63         match_parallel pattern.
  64
  65 Mon Sep 15 22:53:01 1997  Jeffrey A Law  (law@cygnus.com)
  66
  67         * aclocal.m4: Add replacement for AC_PROG_INSTALL.
  68         * configure.in: Use EGCS_PROG_INSTALL.
  69
  70 Mon Sep 15 22:40:55 1997  Jim Wilson  (wilson@cygnus.com)
  71
  72         * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
  73         extern inline function.
  74
  75 Mon Sep 15 22:40:55 1997  Richard Henderson  (rth@cygnus.com)
  76
  77         * dwarf2out.c (reg_loc_descriptor): Fix prototype.
  78         (concat_loc_descriptor): New function.
  79         (loc_descriptor): Call it.
  80         (add_AT_location_description): Also elide the descriptor if both
  81         halves of a CONCAT are pseudos.
  82         (add_location_or_const_value_attribute): Recognize CONCAT too.
  83
  84 Mon Sep 15 15:24:00 1997  Richard Henderson  <rth@cygnus.com>
  85
  86         * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
  87
  88         * alpha/alpha.c (output_prolog): New variable sa_reg.  Use it for
  89         out-or-range reg_offset.
  90         (output_epilog): Likewise.
  91
  92 Mon Sep 15 15:39:26 1997  Jeffrey A Law  (law@cygnus.com)
  93
  94         * cse.c (simplify_relational_operation): If MODE specifies a
  95         mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
  96         is derived from the sign bit of the low word.
  97
  98 Mon Sep 15 11:43:38 1997  Jason Merrill  <jason@yorick.cygnus.com>
  99
 100         Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
 101
 102         * dwarf2.h: Add DW_CFA_GNU_args_size.
 103         * frame.c (execute_cfa_insn): Likewise.
 104         * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
 105         (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
 106         (dwarf2out_frame_debug): If this isn't a prologue or epilogue
 107         insn, hand it off to dwarf2out_stack_adjust.
 108         (dwarf2out_begin_prologue): Initialize args_size.
 109         * frame.h (struct frame_state): Add args_size.
 110         * libgcc2.c (__throw): Use args_size.
 111         * final.c (final_scan_insn): If we push args, hand off all insns
 112         to dwarf2out_frame_debug.
 113         * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
 114
 115         * dwarf2out.c dwarf2out_frame_debug): Fix typo.
 116         Handle epilogue restore of SP from FP.
 117         * emit-rtl.c (gen_sequence): Still generate a sequence if the
 118         lone insn has RTX_FRAME_RELATED_P set.
 119
 120         * frame.c (extract_cie_info): Handle "e" augmentation.
 121         * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
 122         absence of UNALIGNED_*_ASM_OP.
 123         (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
 124         (output_call_frame_info): Use "e" instead of "z" for augmentation.
 125         Don't emit augmentation fields length.
 126         (dwarf2out_do_frame): Move outside of #ifdefs.
 127         * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
 128         opcodes.
 129
 130         * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
 131         * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
 132         * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
 133         * sparc/sun4gas.h: New file.
 134         * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
 135
 136         * collect2.c (write_c_file_stat, write_c_file_glob): Declare
 137         __register_frame_table and __deregister_frame.
 138
 139 1997-09-15  Brendan Kehoe  <brendan@cygnus.com>
 140
 141         * except.c (find_exception_handler_labels): Use xmalloc instead of
 142         alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
 143         in some cases.
 144
 145 Sun Sep 14 21:01:23 1997  Jeffrey A Law  (law@cygnus.com)
 146
 147         * Makefile.in: Various changes to build info files
 148         in the object tree rather than the source tree.
 149
 150 Sun Sep 14 12:24:30 1997  Jeffrey A Law  (law@cygnus.com)
 151
 152         * fixinc.math: New file to fix math.h on some systems.
 153         * configure.in (freebsd, netbsd): Use fixinc.math on these
 154         systems.
 155         * configure: Rebuilt.
 156
 157 Sun Sep 14 11:11:05 1997  Jeffrey A Law  (law@cygnus.com)
 158
 159         * regmove.c (regmove_optimize): If we end up moving the
 160         original insn due to lifetime overlaps, make sure to move
 161         REG_NOTES too.
 162
 163 Sat Sep 13 15:51:11 1997  Manfred Hollstein  <manfred@s-direktnet.de>
 164
 165         * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
 166
 167 Sat Sep 13 12:57:26 1997  Jeffrey A Law  (law@cygnus.com)
 168
 169         * haifa-sched.c (add_branch_dependences): Make each insn in
 170         a SCHED_GROUP_P block explicitly depend on the previous insn.
 171
 172 Fri Sep 12 13:49:58 1997  Jason Merrill  <jason@yorick.cygnus.com>
 173
 174         * except.h: Prototype dwarf2 hooks.
 175         * expr.c: Adjust.
 176
 177 Thu Sep 11 17:43:55 1997  Jim Wilson  <wilson@cygnus.com>
 178
 179         * configure.in (native_prefix): Delete.
 180         (mips-dec-netbsd): Don't set prefix.
 181         (*linux*): Don't set prefix.
 182
 183 Thu Sep 11 15:48:32 1997  Fred Fish  <fnf@ninemoons.com>
 184
 185         * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
 186         defined.  If not defined, include <sys/varargs.h> if
 187         HAVE_SYS_VARARGS_H is defined.
 188         * configure.in: Test for varargs.h and sys/varargs.h.
 189         * configure: Regenerate with autoconf.
 190         * config.in: Regenerate with autoheader.
 191
 192         * cpplib.c (quote_string): Cast first arg of sprintf call
 193         from "unsigned char *" to "char *".
 194         (output_line_command): Ditto.
 195         (macroexpand): Ditto.
 196         (do_line): Cast atoi arg from "unsigned char *" to "char *".
 197
 198 Wed Sep 10 21:37:30 1997  Jeffrey A Law  (law@cygnus.com)
 199
 200         * version.c: Bump for snapshot.
 201
 202         * Makefile.in (compare): Exit with nonzero status if there
 203         are comparison failures.  Note which files failed the
 204         comparison test in .bad_compare.
 205
 206 Wed Sep 10 17:05:46 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
 207
 208         * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
 209
 210 Wed Sep 10 16:37:28 1997  Fred Fish  <fnf@ninemoons.com>
 211
 212         * Makefile.in (LN, LN_S): New macros, use where appropriate.
 213         * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
 214         * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
 215         * configure: Regenerated.
 216
 217 Thu Sep 11 11:09:43 1997  Jeffrey A Law  (law@cygnus.com)
 218
 219         * loop.c (strength_reduce): Fix typo.
 220
 221 Wed Sep 10 16:01:15 1997  Jim Wilson  <wilson@cygnus.com>
 222
 223         * m88k/m88k.c (struct option): Rename to struct options.
 224         * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
 225         * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
 226         * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
 227         __DOLPHIN__ or sysV88.
 228
 229 Wed Sep 10 14:58:40 1997  Jim Wilson  <wilson@cygnus.com>
 230
 231         * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
 232         create new subreg.
 233
 234 Wed Sep 10 15:19:22 1997  Jeffrey A Law  (law@cygnus.com)
 235
 236         * config.sub: Accept 'amigados' for backward compatability.
 237
 238 Wed Sep 10 14:05:08 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
 239
 240         * Makefile.in (testsuite/site.exp): New target.
 241         (check-gcc, check-g++): Depend on testsuite/site.exp.
 242         Don't stop for failure.
 243
 244 Wed Sep 10 12:59:57 1997  Jason Merrill  <jason@yorick.cygnus.com>
 245
 246         * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
 247         if DWARF2_UNWIND_INFO.
 248
 249 Wed Sep 10 11:49:20 1997  Jason Merrill  <jason@yorick.cygnus.com>
 250
 251         Add support for exception handling using DWARF 2 frame unwind info.
 252         Currently works on SPARC and MIPS, and almost on x86.
 253
 254         * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
 255         next_stack_level, in_reg_window): Helper fns.
 256         (__throw): Implement for DWARF2_UNWIND_INFO.
 257
 258         * expr.c (expand_builtin): Handle builtins used by __throw.
 259         * tree.h (enum built_in_function): Add builtins used by __throw.
 260         * c-decl.c (init_decl_processing): Declare builtins used by __throw.
 261         * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
 262         * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
 263         (expand_builtin_extract_return_addr): Likewise.
 264         (expand_builtin_frob_return_addr): Likewise.
 265         (expand_builtin_set_return_addr_reg): Likewise.
 266         (expand_builtin_eh_stub): Likewise.
 267         (expand_builtin_set_eh_regs): Likewise.
 268         (eh_regs): Choose two call-clobbered registers for passing back values.
 269
 270         * frame.c, frame.h: New files for parsing dwarf 2 frame info.
 271         * Makefile.in (LIB2ADD): New variable.  Add $(srcdir)/frame.c.
 272         (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
 273         (stmp-multilib): Likewise.
 274         ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
 275
 276         * except.c: #include "defaults.h".
 277         (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
 278         (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
 279         (register_exception_table_p): New fn.
 280         (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
 281         (end_eh_unwinder): Likewise.
 282
 283         * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
 284         call __register_frame and __deregister_frame as needed.
 285         * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
 286         * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro.  Check
 287         EH_FRAME_SECTION_ASM_OP.
 288         * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
 289         * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
 290         (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
 291
 292         * dwarf2out.c (output_call_frame_info): If no support for
 293         EXCEPTION_SECTION, mark the start of the frame info with a
 294         collectable tag.
 295         * collect2.c (frame_tables): New list.
 296         (is_ctor_dtor): Recognise frame entries.
 297         (scan_prog_file): Likewise.
 298         (main): Pass -fno-exceptions to sub-compile.  Also do collection
 299         if there are any frame entries.
 300         (write_c_file_stat): Call __register_frame_table and
 301         __deregister_frame as needed.
 302         (write_c_file_glob): Likewise.
 303
 304         * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
 305         Also require unaligned reloc support.
 306         * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
 307         UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
 308         * sparc/sysv4.h: Not here.
 309
 310         * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
 311         * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
 312         (dwarf2out_finish): Don't call dwarf2out_frame_finish.
 313
 314         * libgcc2.c (L_eh): Reorganize, moving code shared by different
 315         EH implementations to the top.
 316         (find_exception_handler): Split out.  Start from 0.  Compare against
 317         end with >=.
 318         (__find_first_exception_table_match): Use it.
 319         * except.c (output_exception_table): Don't do anything if there's
 320         no table.  Don't output a first entry of zeroes.
 321         (eh_outer_context): Adjust properly.
 322         (add_eh_table_entry): Use xrealloc.
 323         * toplev.c (compile_file): Just call output_exception_table.
 324
 325 Wed Sep 10  11:30:36 1997  Jason Merrill  <jason@cygnus.com>
 326
 327         * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
 328
 329 Wed Sep 10 08:17:10 1997  Torbjorn Granlund  <tege@pdc.kth..se>
 330
 331         * except.c (eh_outer_context): Do masking using expand_and.
 332
 333 Wed Sep 10 01:38:30 1997  Doug Evans  <dje@cygnus.com>
 334
 335         Add port done awhile ago for the ARC cpu.
 336         * arc/arc.h: New file.
 337         * arc/arc.c: New file.
 338         * arc/arc.md: New file.
 339         * arc/initfini.c: New file.
 340         * arc/lib1funcs.asm: New file.
 341         * arc/t-arc: New file.
 342         * arc/xm-arc.h: New file.
 343         * ginclude/va-arc.h: New file.
 344         * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
 345         * ginclude/varargs.h: Likewise.
 346         * Makefile.in (USER_H): Add va-arc.h.
 347         * configure.in (arc-*-elf*): Recognize.
 348         * longlong.h: Add ARC support.
 349
 350 Wed Sep 10 01:32:54 1997  Jeffrey A Law  (law@cygnus.com)
 351
 352         * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
 353         when clearing non-BLKmode data.
 354
 355 Wed Sep 10 00:29:29 1997  Manfred Hollstein  <manfred@s-direktnet.de>
 356
 357         * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
 358         * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
 359
 360         * xm-m88k.h (USG): Only define if it hasn't already been defined.
 361
 362         * Makefile.in (risky-stage1): Delete gratutious whitespace.
 363
 364         * Makefile.in (clean): Delete libgcc1-test.
 365
 366         * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
 367
 368 Tue Sep  9 17:07:36 1997  Stan Cox  <coxs@dg-rtp.dg.com>
 369
 370         * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
 371         template.
 372
 373 Tue Sep  9 09:50:02 1997  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 374
 375         * dwarf2out.c (output_call_frame_info): Call named_section.
 376
 377 Tue Sep  9 09:12:17 1997  Jeffrey A Law  (law@cygnus.com)
 378
 379         * haifa-sched.c (print_value): Fix last change.
 380
 381 Tue Sep  9 01:30:37 1997  Jason Merrill  <jason@yorick.cygnus.com>
 382
 383         * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
 384         write_symbols.
 385
 386 Mon Sep  8 16:32:43 1997  Jason Merrill  <jason@yorick.cygnus.com>
 387
 388         * mips.c (function_prologue): Set up the CFA when ABI_32.
 389
 390         * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
 391         for dwarf2 unwind info.
 392         (output_function_prologue, sparc_flat_output_function_prologue): Same.
 393
 394         * final.c (final_end_function): Check dwarf2out_do_frame instead
 395         of DWARF2_DEBUG for dwarf2 unwind info.
 396         (final_scan_insn): Likewise.
 397         (final_start_function): Likewise.  Initialize dwarf2 frame debug here.
 398         (final): Not here.
 399
 400         * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
 401         count > 0.
 402
 403         * varasm.c (exception_section): Check EXCEPTION_SECTION first.
 404
 405 Mon Sep  8 15:15:11 1997  Nick Clifton  <nickc@cygnus.com>
 406
 407         * v850.h (ASM_SPEC): Pass on target processor.
 408         (CPP_PREDEFINES): Only define if not already specified.
 409         (TARGET_VERSION): Only define if not already specified.
 410         (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
 411         processor.
 412         (EXTRA_SWITCHES): Extra entries in the switches array.
 413         (TARGET_DEFAULT): Set default target processor.
 414
 415 Mon Sep  8 18:26:35 1997  Jim Wilson  <wilson@cygnus.com>
 416
 417         * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
 418         cases, add %# and %/, and add : to make them into extended asms.
 419
 420 Sun Sep  7 23:57:50 1997  Weiwen Liu  <liu@hepunix.physics.yale.edu>
 421
 422         * alias.c (init_alias_analysis): Clean up incompatible pointer
 423         type warning in bzero.
 424         * regmove.c (regmove_optimize): Ditto.
 425         * haifa-sched.c (find_rgns): Ditto.
 426
 427         * haifa-sched.c (print_value): Clean up ptr->int cast
 428         warnings.
 429
 430 Sun Sep  7 23:18:32 1997  Fred Fish  <fnf@ninemoons.com>
 431
 432         * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
 433         * install.texi (Configurations): Ditto.
 434         * config.sub: Ditto.
 435
 436 Sun Sep  7 22:56:56 1997  Weiwen Liu  (liu@hepvms.physics.yale.edu)
 437
 438         * Makefile.in (sdbout.o): Depend on insn-config.h.
 439
 440 Sun Sep  7 18:44:50 1997  Jim Wilson  <wilson@cygnus.com>
 441
 442         * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
 443         For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
 444
 445 Sun Sep  7 18:30:46 1997  Jason Merrill  <jason@yorick.cygnus.com>
 446
 447         * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
 448         prologue insn, only the first elt is significant.
 449         (output_call_frame_info): For exception handling, always use 4-byte
 450         fields as specified by the dwarf2 spec.
 451         Don't skip trivial FDEs.
 452
 453 Sun Sep  7 14:19:39 1997  Jeffrey A Law  (law@cygnus.com)
 454
 455         * version.c: Bump for snapshot.
 456
 457 Sun Sep  7 14:17:36 1997  Torbjorn Granlund  (tege@pdc.kth.se)
 458
 459         * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
 460         for negative constants.  Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
 461         when op1_is_pow2.
 462
 463 Sun Sep  7 13:46:46 1997  Jeffrey A Law  (law@cygnus.com)
 464
 465         * final.c (shorten_branches): During first pass, assume worst
 466         possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
 467
 468         * Makefile.in (distclean): Remove various things left around
 469         by running the testsuite.
 470
 471 Sun Sep  7 13:16:06 1997  Manfred Hollstein  <manfred@s-direktnet.de>
 472
 473         * configure.in (out_file): Emit definition to config.status in order
 474         to have a defined value for configure.lang.
 475         * configure: Re-built.
 476
 477 Sun Sep  7 09:59:08 1997  Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
 478
 479         * configure.in: Make symlink to as-new rather than as.new.  Similarly
 480         for ld-new.
 481         * configure: Rebuilt.
 482
 483 Fri Sep  5 16:54:55 1997  Jim Wilson  <wilson@cygnus.com>
 484
 485         * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
 486
 487 Fri Sep  5 16:16:44 1997  Christian Kuehnke  <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
 488
 489         * sparc/sparc.md: Add ultrasparc scheduling support.
 490         * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
 491
 492 Fri Sep  5 14:04:59 1997  Philippe De Muyter  <phdm@info.ucl.ac.be>
 493
 494         * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
 495         as initial value for real_label_map.
 496         (copy_for_inline): Likewise.
 497
 498 Fri Sep  5 13:36:44 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 499
 500         * sched.c (update_flow_info) When looking if to set found_split_dest
 501         or found_orig_dest, look at all parts of a PARALLEL.
 502         * haifa-sched.c (update_flow_info): Likewise.
 503
 504 Fri Sep  5 10:08:44 1997  Jeffrey A Law  (law@cygnus.com)
 505
 506         * v850: New directory for v850 port.
 507         * v850/lib1funcs.asm: New file.
 508         * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
 509         * ginclude/va-v850.h: New file.
 510         * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
 511         * configure.in (mn10200-*-*): New target.
 512         * configure: Rebuilt.
 513         * config.sub: Handle v850-elf.
 514         * Makefile.in (USER_H): Add va-mn10200.h.
 515         * invoke.texi: Document v850 stuff.
 516
 517 Fri Sep  5 09:37:50 1997  Jim Wilson  (wilson@cygnus.com)
 518
 519         * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
 520         has integer TYPE_{MAX,MIN}_VALUE before using them.
 521
 522         * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
 523         __HPUX_ASM__ versions.
 524
 525 Fri Sep  5 09:08:44 1997  Jeffrey A Law  (law@cygnus.com)
 526
 527         * install.sh: Delete duplicate install script.
 528
 529 Thu Sep  4 23:14:27 1997  Stan Cox  (coxs@dg-rtp.dg.com)
 530
 531         * reg-stack.c (subst_stack_regs): Pop the stack register for a
 532         computed goto which sets the same stack register.
 533
 534         * reg-stack.c (compare_for_stack_reg): Swap only if the source and
 535         destination are both on the regstack.
 536         (subst_stack_regs_pat): Put the destination at the top of the regstack.
 537
 538 Thu Sep  4 15:02:27 1997  Jim Wilson  <wilson@cygnus.com>
 539
 540         * mips.md (nonlocal_goto_receiver): Define.
 541
 542         * profile.c (output_arc_profiler): Check next_insert_after for non
 543         NULL before deferencing it.
 544
 545         * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
 546
 547 Thu Sep  4 14:51:57 1997  Jeffrey A Law  (law@cygnus.com)
 548
 549         * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
 550
 551 Thu Sep  4 15:01:49 1997  Michael Meissner  <meissner@cygnus.com>
 552
 553         * toplev.c (rest_of_compilation): For passes starting with
 554         flow_analysis, use print_rtl_with_bb instead of print_rtl.
 555
 556         * print-rtl.c (print_rtl_single): Print a single rtl value to a
 557         file.
 558
 559         * flow.c (print_rtl_with_bb): Print which insns start and end
 560         basic blocks.  For the start of a basic block, also print the live
 561         information.
 562
 563 Thu Sep  4 11:51:43 1997  Jim Wilson  <wilson@cygnus.com>
 564
 565         * toplev.c (main): Change #elif to #else/#ifdef
 566
 567         * tlink.c: Include ctype.h.
 568         * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
 569
 570 Thu Sep  4 11:17:16 1997  Mikeael Meissner  (meissner@cygnus.com)
 571
 572         * bitmap.c: Conditionally include stdlib.h.
 573         (free): Provide a declaration if NEED_DECLARATION_FREE.
 574
 575 Thu Sep  4 09:58:53 1997  Joel Sherrill  (joel@OARcorp.com)
 576
 577         * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
 578
 579 Thu Sep  4 09:53:20 1997  Jim Wilson  (wilson@cygnus.com)
 580
 581         * profile.c (output_arc_profiler): Verify next_insert_after is an
 582         INSN before and after skipping a stack pop.
 583
 584 Thu Sep  4 07:39:19 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 585
 586         * final.c (shorten_branches): Don't count the lengths of deleted
 587         instructions.
 588
 589 Thu Sep  4 09:43:01 1997  Jeffrey A Law  (law@cygnus.com)
 590
 591         * version.c: Bump for snapshot.
 592
 593 Thu Sep  4 11:04:21 1997  Michael Meissner  <meissner@cygnus.com>
 594
 595         * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
 596         two bitmaps ANDed together.
 597         (bitmap_print): Declare.
 598
 599         * bitmap.c (function_obstack): Don't declare any more.
 600         (bitmap_obstack): Obstack for allocating links from.
 601         (bitmap_obstack_init): New static to say whether to initialize
 602         bitmap_obstack.
 603         (bitmap_element_allocate): Use bitmap_obstack to allocate from.
 604         (bitmap_release_memory): Free all memory allocated from
 605         bitmap_obstack.
 606
 607         * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
 608         EXECUTE_IF_AND_IN_BITMAP.
 609
 610 Wed Sep  3 10:39:42 1997  Jim Wilson  <wilson@cygnus.com>
 611
 612         * alias.c (true_dependence): Address with AND can alias scalars.
 613         (anti_dependence, output_dependence): Likewise.
 614
 615         * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
 616
 617 Wed Sep  3 09:28:50 CDT 1997  Joel Sherrill (joel@OARcorp.com)
 618
 619         * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
 620           mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
 621           sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
 622           definitions.  Use -qrtems instead of -mrtems.
 623
 624 Wed Sep  3 09:05:41 1997  Robert Lipe  (robert@dgii.com)
 625
 626         * xm-sco5.h (sys_siglist): Define.
 627         (SYS_SIGLIST_DECLARED): Likewise.
 628
 629 Tue Sep  2 23:33:33 1997  Jeffrey A Law  (law@cygnus.com)
 630
 631         * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
 632
 633 Wed Sep  3 02:09:30 1997  Torbjorn Granlund  <tege@pdc.kth..se>
 634
 635         * except.c (eh_outer_context): Expand masking operation using
 636         expand_binop.
 637
 638 Tue Sep  2 18:09:39 1997  Jim Wilson  <wilson@cygnus.com>
 639
 640         * alpha.md (floatdisf2-1): New pattern.
 641
 642 Tue Sep  2 18:41:55 1997  Jeffrey A Law  (law@cygnus.com)
 643
 644         * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
 645         * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
 646         * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
 647         * gcc.texi: Note that if you define sys_siglist that you should
 648         also define SYS_SIGLIST_DECLARED.
 649
 650         * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
 651         are relative to the next instruction, not the current instruction.
 652
 653 Tue Sep  2 14:22:43 1997  Jim Wilson  <wilson@cygnus.com>
 654
 655         * local-alloc.c (contains_replace_regs): New function.
 656         (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
 657         verify that there is no existing REG_EQUIV note, and add a call to
 658         contains_place_regs.
 659
 660 Tue Sep  2 12:48:11 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
 661
 662         * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
 663         (STARTFILE_SPEC): Always use crtbegin.o%s
 664         (ENDFILE_SPEC): Always use crtend.o%s.
 665
 666 Tue Sep  2 12:00:36 1997  Jim Wilson  <wilson@cygnus.com>
 667
 668         * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
 669         is passed in.
 670         * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
 671         SFmode for 64 bit hosts.
 672
 673 Tue Sep  2 13:42:38 1997  Paul N. Hilfinger  <hilfingr@CS.Berkeley.EDU>
 674
 675         * fixincludes: Permits spaces between # and define.  Discard C++
 676         comments in sys/pci.h on HP/UX 10.20.
 677
 678 Mon Sep  1 22:13:18 1997  Jeffrey A Law  (law@cygnus.com)
 679
 680         * version.c: Bump for snapshot.
 681
 682         * pa.c (restore_unscaled_index_insn_codes): New function.
 683         (record_unscaled_index_insn_codes): Likewise.
 684         (output_function_prologue): Call restore_unscaled_index_insn_codes.
 685         (output_function_epilogue): Free memory for unscaled_index_insn_codes.
 686         (pa_reorg): Call record_unscaled_index_insn_codes.
 687
 688         * haifa-sched.c (move_insn): Handle notes correctly for insns
 689         with SCHED_GROUP_P set.
 690
 691 Mon Sep  1 16:58:57 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
 692
 693         * alpha/xm-linux.h (USE_BFD): Undef before define.
 694
 695 Mon Sep  1 16:25:34 1997  Jim Wilson  <wilson@cygnus.com>
 696
 697         * cse.c (cse_insn): Don't record BLKmode values.
 698
 699 Mon Sep  1 11:25:47 1997  Stephen Williams  (steve@icarus.icarus.com)
 700
 701         * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
 702
 703 Mon Sep  1 08:29:46 1997  Jeffrey A Law  (law@cygnus.com)
 704
 705         * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
 706         * collect2.c (sys_errlist): Likewise.
 707         * cpplib.c (sys_errlist): Likewise.
 708         * gcc.c (sys_errlist): Likewise.
 709         * protoize (sys_errlist): Likewise.
 710         * configure.in: Check for strerror.
 711         * xm-freebsd.h (HAVE_STRERROR): Remove definition.
 712         * xm-gnu.h (HAVE_STRERROR): Likewise.
 713         * xm-linux.h (HAVE_STRERROR): Likewise.
 714         * xm-netbsd.h (HAVE_STRERROR): Likewise.
 715         * xm-bsd386.h (HAVE_STRERROR): Likewise.
 716         * xm-cygwin32.h (HAVE_STRERROR): Likewise.
 717         * xm-dos.h (HAVE_STRERROR): Likewise.
 718         * xm-mingw32.h (HAVE_STRERROR): Likewise.
 719         * xm-pa.h (HAVE_STRERROR): Likewise.
 720         * xm-papro.h (HAVE_STRERROR): Likewise.
 721         * xm-sysv4.h (HAVE_STRERROR): Likewise.
 722         * configure, config.in: Rebuilt.
 723
 724         * Makefile.in: Add several missing "else true" clauses.
 725
 726         * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
 727         * mips-tfile.c: Likewise.
 728         * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
 729         * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
 730         * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
 731         * configure.in: Check for sys_siglist declaration.
 732         * configure, config.in: Rebuilt.
 733
 734 Mon Sep  1 08:04:07 1997  Joel Sherrill (joel@OARcorp.com)
 735
 736         * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
 737         m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
 738         sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
 739         * i960/i960.h: Added SUBTARGET_SWITCHES macro.
 740         * rs6000/sysv4.h (extra_subtarget_switches): Added new
 741         macro EXTRA_SUBTARGET_SWITCHES.
 742         * configure.in (sh*-*-rtems*): New target.
 743         * sh/rtems.h: New file.
 744         * sh/sh.h: Added SUBTARGET_SWITCHES macro.
 745         * configure: Rebuilt.
 746
 747 Sat Aug 30 22:54:26 1997  Jim Wilson  <wilson@cygnus.com>
 748
 749         * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
 750
 751 Sat Aug 30 10:49:46 1997  David Edelsohn  <edelsohn@mhpcc.edu>
 752
 753         * rs6000.md: Make DF fused-add operations pay attention to
 754         -mno-fused-add.
 755
 756 Fri Aug 29 19:19:54 1997  Jim Wilson  <wilson@cygnus.com>
 757
 758         * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
 759
 760 Fri Aug 29 16:13:51 1997  Jeffrey A Law  (law@cygnus.com)
 761
 762         * pa.md (reload_peepholes): Make sure operand is a REG before
 763         examining REGNO.  Allow general registers too.
 764
 765 Fri Aug 29 11:42:04 1997  Jim Wilson  <wilson@cygnus.com>
 766
 767         * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
 768
 769 Fri Aug 29 09:33:20 1997  Philipp Thomas  (kthomas@lxi165.gwdg.de)
 770
 771         * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
 772         to reallocate abbrev_die_table.
 773
 774 Thu Aug 28 15:14:46 1997  Jim Wilson  <wilson@cygnus.com>
 775
 776         * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
 777
 778 1997-08-27  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 779
 780         * Makefile.in (config.status): Depend on version.c
 781
 782         * expr.h (insn_gen_function): Reenable prototype.
 783
 784         * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
 785         first parameter.
 786
 787 Thu Aug 28 13:01:43 1997  Jim Wilson  <wilson@cygnus.com>
 788
 789         * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
 790
 791 Thu Aug 28 07:03:15 1997  Jeffrey A Law  (law@cygnus.com)
 792
 793         * version.c: Bump for latest snapshot.
 794
 795         * bc-optab.c: Conditionally include stdlib.h.
 796         (free): Provide a declaration if NEED_DECLARATION_FREE.
 797         * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
 798         * rtl.h (free): Remove declaration.
 799         * tree.h (free): Remvoe declaration.
 800
 801         * configure: Rebuilt.
 802
 803 Wed Aug 27 21:32:20 1997  Jeffrey A Law  (law@cygnus.com)
 804
 805         * flags.h (flag_move_all_movables): Declare.
 806         (flag_reduce_all_givs): Likewise.
 807         * loop.c (move_movables): Handle flag_move_all_movables.
 808         (strength_reduce): Handle flag_reduce_all_givs.
 809         * toplev.c (flag_move_all_movables): Define.
 810         (flag_reduce_all_givs): Likewise.
 811         (f_options): Add -fmove-all-movables and -freduce-all-givs.
 812         * invoke.texi: Document new options, including alias stuff that
 813         wasn't included last time.
 814
 815 Wed Aug 27 18:08:51 1997  Bob Manson  (manson@cygnus.com)
 816
 817         * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
 818         * t-mn10200: Ditto.
 819         * t-vxsparc: Ditto.
 820         * t-vxworks68: Ditto.
 821         * t-vxworks960: Ditto.
 822         * t-vx29k: Ditto.
 823
 824 Wed Aug 27 16:35:29 1997  Richard Henderson  <rth@cygnus.com>
 825
 826         * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
 827         if not already defined, and USE_C_ALLOCA not defined.
 828
 829 Wed Aug 27 16:08:43 1997  Jim Wilson  <wilson@cygnus.com>
 830
 831         * config.guess: Replace with script that uses ../config.guess.
 832
 833         * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
 834         if USE_GNULIBC_1 is not defined.
 835
 836 Wed Aug 27 15:49:12 1997  Richard Henderson  <rth@cygnus.com>
 837
 838         * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
 839         * config.guess: Recognize alpha-linux-gnulibc1.
 840         * configure.in (alpha-*-linux-gnulibc1): New target.
 841         (alpha-*-linux-gnu*): Don't build crtbegin/end.
 842
 843 Wed Aug 27 11:52:58 1997  Jim Wilson  <wilson@cygnus.com>
 844
 845         * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
 846         last change.
 847
 848 Wed Aug 27 01:56:18 1997  Doug Evans  <dje@seba.cygnus.com>
 849
 850         * loop.c (combine_movables): Earlier insns don't match later ones.
 851
 852 Wed Aug 27 01:24:25 1997  H.J. Lu   (hjl@gnu.ai.mit.edu)
 853
 854         * config/linux.h (CC1_SPEC): Define it only if not defined.
 855
 856         * config/m68k/linux.h (CC1_SPEC): Undefine it before include
 857         <linux.h>
 858
 859         * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
 860         USE_GNULIBC_1 is not defined.
 861
 862         * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New.  Defined as 1.
 863
 864         * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
 865         as 1 if USE_GNULIBC_1 is not defined.
 866
 867 Wed Aug 27 00:49:14 1997  Jeffrey A Law  (law@cygnus.com)
 868
 869         * reorg.c (dbr_schedule): Allow current_function_return_rtx
 870         to be something other than a REG.
 871         * function.c (expand_function_end): Fix current_function_return_rtx
 872         if it was a pseudo.
 873
 874         * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
 875         * x-netbsd: Likewise
 876         * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
 877         (INSTALL_HEADERS): Delete.
 878         * x-dguxbcs: Likewise.
 879         * x-hp3bsd44: Likewise
 880         * x-pa: Likewise.
 881
 882 Wed Aug 27 00:30:00 1997  Bernd Schmidt  <crux@pool.informatik.rwth-aachen.de>
 883
 884         * i386.md (pop): pop increments the stack pointer.
 885         (prologue_set_stack_ptr): New pattern.
 886         * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
 887         instead of subsi3.
 888
 889 Tue Aug 26 18:50:32 1997  Jim Wilson  <wilson@cygnus.com>
 890
 891         * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
 892         address where an offsettable address is required.
 893
 894 Tue Aug 26 17:54:56 1997  Michael P. Hayes  (michaelh@ongaonga.chch.cri.nz>
 895
 896         * loop.c (check_final_value): Don't miss a biv increment in a
 897         parallel.
 898
 899 Tue Aug 26 12:03:49 1997  Jim Wilson  (wilson@cygnus.com)
 900
 901         * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
 902         TYPE_DECL_IS_STUB instead of DECL_NAME.
 903
 904 Mon Aug 25 23:27:10 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
 905
 906         * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
 907
 908 Mon Aug 25 23:27:10 1997  Jim Meyering <meyering@eng.ascend.com>
 909
 910         * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
 911
 912 Mon Aug 25 13:12:24 1997  Jeffrey A Law  (law@cygnus.com)
 913
 914         * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
 915         (find_post_sched_live): Likewise.
 916
 917         * haifa-sched.c (schedule_block): Remove old code to get arguments
 918         from hard regs into pseudos early.
 919
 920 Mon Aug 25 08:55:00 1997  Jeffrey A Law  (law@cygnus.com)
 921
 922         * version.c: Bump for new snapshot.
 923
 924         * local-alloc.c (update_equiv_regs): All the target to reject
 925         promotion of some REG_EQUAL to REG_EQUIV notes.
 926         * pa.h (DONT_RECORD_EQUIVALENCE): Define.
 927
 928         * pa.c (secondary_reload_class): (mem (mem ... )) does not need
 929         secondary reloads.
 930
 931         * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
 932         store of the argument registers.
 933
 934 Mon Aug 25 08:39:02 1997  Craig Burley  (burley@gnu.ai.mit.edu)
 935
 936         * fold-const.c (multiple_of_p): New function.
 937         (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
 938
 939 Mon Aug 25 01:47:41 1997  Jeffrey A Law  (law@cygnus.com)
 940
 941         * expr.h (insn_gen_function): Temporarily remove prototype.
 942
 943 Sun Aug 24 17:22:21 1997  Jim Wilson  <wilson@cygnus.com>
 944
 945         * Makefile.in (install-info): Don't cd into srcdir.  Add srcdir to
 946         filenames.  Use sed to extract base filename for install.
 947
 948 Sat Aug 23 18:19:40 1997  John F. Carr  <jfc@mit.edu>
 949
 950         * unroll.c (find_splittable_givs): Only share if two givs have the
 951         same add and multiply values.
 952
 953 Sat Aug 23 14:36:27 1997  Jim Wilson  <wilson@cygnus.com>
 954
 955         * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
 956         * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
 957
 958 Sat Aug 23 00:18:22 1997  Jeffrey A Law  (law@cygnus.com)
 959
 960         * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
 961         around branch tables.
 962         * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
 963         and .end_brtab directives if TARGET_GAS.
 964
 965 Fri Aug 22 14:05:55 1997  Jim Wilson  <wilson@cygnus.com>
 966
 967         * alias.c (true_dependence): Pass x_addr not x to varies.
 968
 969         * acconfig.h (NEED_DECLARATION_CALLOC): Add.
 970         * configure.in: Add GCC_NEED_DECLARATION call for calloc.
 971         * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
 972         declarations.
 973         * config.in, configure: Regenerate.
 974
 975 Thu Aug 21 23:52:16 1997  John F. Carr  <jfc@mit.edu>
 976
 977         * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
 978         LO_SUM.
 979         (record_set): Handle LO_SUM like PLUS.
 980         (init_alias_analysis): When following chains of base addresses,
 981         do not stop on reaching a hard register.
 982
 983 Thu Aug 21 20:17:37 1997  Jeffrey A Law  (law@cygnus.com)
 984
 985         * version.c: Bump for new snapshot.
 986
 987 Thu Aug 21 17:28:00 1997  Jim Wilson  <wilson@cygnus.com>
 988
 989         * alpha.h (ARCH_ASM_FILE_START): Define.
 990         (ASM_FILE_START): Use ARCH_ASM_FILE_START.
 991         * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
 992
 993 Thu Aug 21 10:22:19 1997  Jeffrey A Law  (law@cygnus.com)
 994
 995         * Makefile.in (install-common): Put gcov comment at start of line.
 996
 997 Wed Aug 20 22:47:33 1997  Jeffrey A Law  (law@cygnus.com)
 998
 999         * alias.c (init_alias_analysis): When simplifying the reg_base_value
1000         array, simplify entries for hard registers too.
1001
1002 Wed Aug 20 12:35:47 1997  Dave Love  <d.love@dl.ac.uk>
1003
1004         * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
1005         list.
1006
1007 Wed Aug 20 11:58:33 1997  Jim Wilson  <wilson@cygnus.com>
1008
1009         * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
1010         block_stack before dereferencing it.
1011
1012 Wed Aug 20 11:57:11 1997  Michael Meissner  <meissner@cygnus.com>
1013
1014         * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
1015
1016 Tue Aug 19 17:10:56 1997  Jason Merrill  <jason@yorick.cygnus.com>
1017
1018         * cplus-dem.c: Add 'extern' to prepends_underscore.
1019
1020 Tue Aug 19 09:34:57 1997  Jeffrey A Law  (law@cygnus.com)
1021
1022         * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
1023         (get_issue_rate): Delete.
1024         * pa.h (ISSUE_RATE): Define.
1025
1026         * configure.in: Turn on haifa by default for the PA.
1027         * configure: Rebuilt.
1028         * pa.c (override_options): Accept -mschedule=7200 option.
1029         (pa_adjust_cost): No longer need to scale costs for newer
1030         processors.
1031         * pa.h (enum processor_type): Add PROCESSOR_7200.
1032         * pa.md: Revamp scheduling parameters to work better with
1033         haifa.  Add scheduling parameters for the 7200.
1034
1035         * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
1036         insns too.
1037         (schedule_block): When adjusting basic_block_{head,end}, account
1038         for movement of SCHED_GROUP_P insns too.
1039
1040         * haifa-sched.c (debug_dependencies): Fix thinko.
1041
1042         * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
1043         (site.exp, check, check-g++, check-gcc): New targets.
1044
1045         * haifa-sched.c: Make lots of variables static.
1046
1047 Tue Aug 19 07:18:34 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
1048
1049         * expr.h, real.h: Finish prototyping.
1050
1051 Mon Aug 18 21:49:02 1997  Jim Wilson  <wilson@cygnus.com>
1052
1053         * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
1054         reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
1055         * reload1.c: Undo bugfix from Aug 11.
1056
1057 Mon Aug 18 17:39:02 1997  Mike Meissner  <meissner@cygnus.com>
1058
1059         * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
1060         quotes around the name.
1061         * configure: Regenerate.
1062
1063 Mon Aug 18 13:46:47 1997  Jim Wilson  <wilson@cygnus.com>
1064
1065         * Makefile.in (stmp-multilib-sub): Fix typo in last change.
1066
1067 Thu Aug  7 10:33:13 1997  Manfred Hollstein  <manfred@s-direktnet.de>
1068
1069         * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
1070         to sub-makes to avoid building more passes than the user might have
1071         requested on the command line.
1072
1073 Sun Aug 17 15:42:17 1997  Dave Love  (d.love@dl.ac.uk)
1074
1075         * configure.in: Expurgate `broken_install' (install is
1076         autoconfed).
1077
1078         * configure.lang: Substitute autoconfed ${INSTALL} (not currently
1079         relevant).
1080
1081 Sat Aug 16 01:08:12 1997  Jeffrey A Law  (law@cygnus.com)
1082
1083         * loop.c (is_power_of_2, is_conditional_branch): Delete unused
1084         functions and declarations.
1085         (analyze_loop_iterations): Use condjump_p.
1086         (insert_bct): Likewise.  Use exact_log2.
1087
1088 Fri Aug 15 23:48:32 1997  Jeffrey A Law  (law@cygnus.com)
1089
1090         * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
1091         (schedule_region): Likewise.
1092         (schedule_insns): Likewise.
1093
1094         * PROJECTS: Update with Haifa stuff.
1095
1096 Fri Aug 15 12:49:56 1997  Jeffrey A Law  (law@cygnus.com)
1097
1098         * version.c: Change the version string to look like:
1099         egcs-2.90.00 970814 (gcc2-970802 experimental).
1100
1101         * loop.c (is_conditional_branch): Make definition match declaration.
1102
1103         * gcc.c: Take out experimental snapshot warning message.
1104
1105 Fri Aug 15 13:43:39 1997  Michael Meissner  <meissner@cygnus.com>
1106
1107         * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
1108         print out the names of the notes.  Print out the name of the insn
1109         that is not a note, and not an {,CALL_,JUMP_}INSN.
1110
1111 Wed Aug 13 17:32:38 1997  Jason Merrill  <jason@yorick.cygnus.com>
1112
1113         * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
1114         again for the slot after we give it RTL.
1115
1116 Wed Aug 13 01:03:37 1997  Doug Evans  <dje@canuck.cygnus.com>
1117
1118         * configure.in (haifa configury): Fix typo.
1119         * configure: Regenerate.
1120
1121 Tue Aug 12 10:20:36 1997  Jeffrey A Law  (law@cygnus.com)
1122
1123         * version.c: Bump version to "gcc-3.0.0 970802 experimental".
1124
1125         * gcc.info*: Rebuilt.
1126
1127         * COPYING.g77, README.g77: New files.
1128         * real.c (ereal_unto_float, ereal_unto_double): New functions.
1129         * real.h (ereal_unto_float, ereal_unto_double): Declare them.
1130         (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
1131
1132 Mon Aug 11 14:50:55 1997  Jeffrey A Law  (law@cygnus.com)
1133
1134         * Integrate Haifa instruction scheduler.
1135         * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS.  Prefix all references
1136         to sched with $(SCHED_CFLAGS.
1137         * configure.in: Handle --enable-haifa.
1138         * configure: Rebuilt.
1139         * flags.h: Add new flags for haifa instruction scheduler.
1140         * genattrtab.c (expand_units): For haifa, don't subtract one
1141         when computing blockage.
1142         * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
1143         (flag_schedule_speculative): Ditto.
1144         (flag_schedule_speculative_load): Ditto.
1145         (flag_schedule_speculative_load_dangerous): Ditto.
1146         (flag_schedule_reverse_before_reload): Ditto.
1147         (flag_schedule_reverse_after_reload): Ditto.
1148         (flag_branch_on_count_reg): Ditto.
1149         (f_options): Add Haifa switches.
1150         (main): Turn off some Haifa options if appropriate macro is
1151         defined.  Process Haifa switches.
1152         * unroll.c (iteration_info): No longer static, since Haifa
1153         scheduler uses it.
1154         (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
1155         * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
1156         * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
1157         * loop.h (loop_initial_value,loop_unroll_iter): New globals.
1158         * loop.c (loop_optimize): If HAIFA is defined, allocate additional
1159         storage for the Haifa scheduler.
1160         (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
1161         LABEL_NEXTREF.
1162         (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
1163         are defined, call analyze_loop_iterations and insert_bct to use
1164         countdown loops.
1165         (record_giv): Refine test for jumps out of loops if HAIFA is
1166         defined.
1167         (analyze_loop_iterations): New function to identify if we can use
1168         a countdown loop.
1169         (insert_bct): Insert countdown loop.
1170         (instrument_loop_bct): Low level code to insert countdown loop.
1171         (loop_number): Calculate UID of loop.
1172         (indirect_jump_in_function_p): Return true if an indirect jump is
1173         in the function.
1174         (is_power_of_2): Return true if value is a power of 2.
1175         (is_conditional_branch): Return true if insn is a conditional
1176         jump.
1177         (fix_bct_param): Process -fbct-{min,max}-N switches.
1178         (check_bct_param): Return true if loop should be instrumented.
1179         * loop.c (loop_initial_value,loop_unroll_iter): New globals.
1180         (loop_optimize): Initialize.
1181         (get_condition_for_loop): Ditto.
1182         * loop.c (strength_reduce): Inside of code that uses #ifdef
1183         HAVE_decrement_and_branch_on_count code, test it to make sure the
1184         condition is true.
1185         (instrument_loop_bct): Ditto.
1186         * haifa-sched.c: New file.
1187
1188
1189         * Integrate regmove pass.
1190         * Makefile.in (OBJS): Add regmove.o
1191         (regmove.o): Add dependencies.
1192         * flow.c (find_use_as_address): No longer static.
1193         * rtl.h (find_use_as_address): Declare.
1194         * toplev.c (regmove_dump, flag_regmove): Define.
1195         (f_options): Add -fregmove.
1196         (regmove_dump_file, regmove_time): Define.
1197         (fatal_insn): Close the regmove dump file.
1198         (compile_file): Initialize regmove_time; open/close the regmove dump
1199         file as needed.  Print regmove time as needed.
1200         (rest_of_compilation): Run regmove pass if requested, dump
1201         RTL after regmove if requested.
1202         (main): If -O2 or more, turn on regmove.  Handle dump switches.
1203         * regmove.c: New file.
1204
1205 Mon Aug 11 14:15:02 1997  Jeffrey A Law  (law@cygnus.com)
1206
1207         * Integrate tlink patch from jason@cygnus.com
1208         * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
1209         (process_command): Increment n_switches for them.  Don't discard
1210         their args.  Validate them.
1211         (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
1212         From Rohan Lenard.
1213         (process_command): Set include_prefixes from COMPILER_PATH.
1214         (main): Set COLLECT_GCC_OPTIONS sooner.
1215         * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
1216         * tlink.c, hash.c, hash.h: New files.
1217         * Makefile.in (USE_COLLECT2): Always use collect2.
1218         (collect2): Depend on and link in hash.o and tlink.o.
1219         (tlink.o, hash.o): Add dependencies.
1220
1221 Mon Aug 11 10:04:49 1997  Jeffrey A Law  (law@cygnus.com)
1222
1223         * Integrate alias analysis changes from jfc@mit.edu
1224         * Makefile.in (OBJS): Add alias.o
1225         (alias.o): Add dependencies.
1226         * alias.c: New file.
1227         * sched.c: Remove alias analysis code.  It lives in alias.c now.
1228         (sched_analyze_2): Add new arguments to true_dependence.
1229         (schedule_insns): Always call init_alias_analysis.
1230         * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
1231         mark return value from such functions as a pointer and keep track of
1232         them for alias analysis.  If a return value from a function is a
1233         pointer, mark it as such.
1234         * combine.c (distribute_notes): Handle REG_NOALIAS.
1235         * cse.c (struct write_data): Delete.  No longer needed.
1236         (invalidate): Don't call set_nonvarying_address_components anymore.
1237         Use true_dependence to decide if an entry should be removed from
1238         the hash table.
1239         (invalidate_memory): Remove WRITES argument, simplify appropriately.
1240         Fix all callers.
1241         (note_mem_written): Similarly for WRITE_PTR argument.
1242         (invalidate_from_clobbers): Similarly for W argument.
1243         (invalidate_for_call): Remove memory elements from the hash table.
1244         (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
1245         (cse_rtx_varies_p): New function.  Derived from old
1246         cse_rtx_addr_varies_p.
1247         (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
1248         Don't call note_mem_written anymore.  Stack pushes invalidate the stack
1249         pointer if PUSH_ROUNDING is defined.  No longer need to call
1250         cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
1251         (skipped_writes_memory): Remove variable.
1252         (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
1253         (invalidate_skipped_block): Simplify for new alias analysis code.
1254         (cse_set_around_loop): Likewise.
1255         (cse_main): Call init_alias_analysis.
1256         * flags.h (flag_alias_check, flag_argument_noalias): Declare.
1257         * toplev.c (flag_alias_check, flag_argument_noalias): Define.
1258         (f_options): Add new alias checking arguments.
1259         (main): Set flag_alias_check when optimizing.
1260         * local_alloc (validate_equiv_mem_from_store): Add new arguments
1261         to true_dependence.
1262         (memref_referenced_p): Likewise.
1263         * loop.c (NUM_STORES): Increase to 30.
1264         (prescan_loop): Only non-constant calls set unknown_address_altered.
1265         (invariant_p): Add new arguments to true_dependence.
1266         (record_giv): Initialize unrolled and shared fields.
1267         (emit_iv_add_mult): Call record_base_value as needed.
1268         * loop.h (struct induction): Add unrolled and shared fields.
1269         * unroll.c  (unroll_loop): Call record_base_value as needed.
1270         (copy_loop_body): Likewise.
1271         (final_biv_value): Likewise.
1272         (final_giv_value): Likewise.
1273         (find_splittable_regs): Likewise.  Only create one new pseudo
1274         if we have multiple address GIVs that were combined with the same
1275         dst_reg GIV.  Note when a new register is created due to unrolling.
1276         * rtl.c (reg_note_name): Add REG_NOALIAS.
1277         * rtl.h (enum reg_note): Similarly.
1278         (rtx_varies_p, may_trap_p, side_effects_p): Declare.
1279         (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
1280         (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
1281         (true_dependence, read_dependence, anti_dependence): Likewise.
1282         (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
1283         (mark_user_reg, mark_reg_pointer): Likewise.
1284
1285
1286         * Integrate reload bugfix from Wilon which enables the PA port
1287         to bootstrap again.
1288         * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
1289         OPERAND_ADDRESS when computing how many registers an insn needs.
1290         (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
1291         conflict.
1292         (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
1293         OPADDR_ADDR reload.
1294         (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
1295         in reload_reg_use_in_op_addr do not reach the end.
1296         do not reach the end.
1297         (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
1298         RELOAD_FOR_OPERAND_ADDRESS.
1299
1300 Sun Aug 10 12:00:20 1997  Jeffrey A Law  (law@cygnus.com)
1301
1302         * egcs project officially starts.
1303