gcc/ChangeLog

   1 Thu Sep 18 01:47:06 1997  Jeffrey A Law  (law@cygnus.com)
   2
   3         * pa.md (reload_peepholes): Don't allow addresses with side
   4         effects for the memory operand.
   5
   6 Wed Sep 17 18:19:53 1997  Jason Merrill  <jason@yorick.cygnus.com>
   7
   8         * libgcc2.c (find_exception_handler): Subtract one from our PC when
   9         looking for a handler, to avoid hitting the beginning of the next
  10         region.
  11
  12         * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
  13
  14 Wed Sep 17 18:33:59 1997  Jeffrey A Law  (law@cygnus.com)
  15
  16         * mips/abi64.h (LONG_MAX_SPEC): Define.
  17         * mips.h (LONG_MAX_SPEC): Define.
  18         (CPP_SPEC): Include long_max_spec.
  19         (EXTRA_SPECS): Include long_max_spec.
  20
  21 1997-09-17  Brendan Kehoe  <brendan@lisa.cygnus.com>
  22
  23         * configure.in, configure: Make sure to create the stage* and include
  24         symbolic links in each subdirectory, as we do in configure.lang for
  25         non-autoconf configurations.
  26
  27 Wed Sep 17 14:11:38 1997  Jeffrey A Law  (law@cygnus.com)
  28
  29         * v850.c (construct_save_jarl): Fix thinko in last change.
  30
  31 Wed Sep 17 09:53:07 1997  Jeffrey A Law  (law@cygnus.com)
  32
  33         * version.c: Bump for snapshot.
  34
  35 Tue Sep 16 14:22:36 1997  Jason Merrill  <jason@yorick.cygnus.com>
  36
  37         * libgcc2.c (find_exception_handler): Not found is -1.
  38
  39         * integrate.c (expand_inline_function): Move expand_start_bindings
  40         after expanding the arguments.
  41
  42 Tue Sep 16 11:13:46 1997  Jim Wilson  <wilson@cygnus.com>
  43
  44         * expr.c (expand_expr): Remove previous incorrect change.
  45         If target and slot has no DECL_RTL, then call mark_addressable
  46         again for the slot after we give it RTL.
  47
  48 Tue Sep 16 09:18:52 1997  Jason Merrill  (jason@cygnus.com)
  49
  50         * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
  51         again for the slot after we give it RTL.
  52
  53 Tue Sep 16 00:13:20 1997  Nick Clifton  <nickc@cygnus.com>
  54
  55         * v850.c (register_is_ok_for_epilogue,
  56         pattern_is_ok_for_epilogue, construct_restore_jr,
  57         pattern_is_ok_for_prologue, construct_save_jarl): New functions.
  58
  59         * v850.h (pattern_is_ok_for_prologue,
  60         pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
  61         predicates.
  62
  63         * v850.md: Replace prologue and epilogue patterns with a
  64         match_parallel pattern.
  65
  66 Mon Sep 15 22:53:01 1997  Jeffrey A Law  (law@cygnus.com)
  67
  68         * aclocal.m4: Add replacement for AC_PROG_INSTALL.
  69         * configure.in: Use EGCS_PROG_INSTALL.
  70
  71 Mon Sep 15 22:40:55 1997  Jim Wilson  (wilson@cygnus.com)
  72
  73         * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
  74         extern inline function.
  75
  76 Mon Sep 15 22:40:55 1997  Richard Henderson  (rth@cygnus.com)
  77
  78         * dwarf2out.c (reg_loc_descriptor): Fix prototype.
  79         (concat_loc_descriptor): New function.
  80         (loc_descriptor): Call it.
  81         (add_AT_location_description): Also elide the descriptor if both
  82         halves of a CONCAT are pseudos.
  83         (add_location_or_const_value_attribute): Recognize CONCAT too.
  84
  85 Mon Sep 15 15:24:00 1997  Richard Henderson  <rth@cygnus.com>
  86
  87         * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
  88
  89         * alpha/alpha.c (output_prolog): New variable sa_reg.  Use it for
  90         out-or-range reg_offset.
  91         (output_epilog): Likewise.
  92
  93 Mon Sep 15 15:39:26 1997  Jeffrey A Law  (law@cygnus.com)
  94
  95         * cse.c (simplify_relational_operation): If MODE specifies a
  96         mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
  97         is derived from the sign bit of the low word.
  98
  99 Mon Sep 15 11:43:38 1997  Jason Merrill  <jason@yorick.cygnus.com>
 100
 101         Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
 102
 103         * dwarf2.h: Add DW_CFA_GNU_args_size.
 104         * frame.c (execute_cfa_insn): Likewise.
 105         * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
 106         (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
 107         (dwarf2out_frame_debug): If this isn't a prologue or epilogue
 108         insn, hand it off to dwarf2out_stack_adjust.
 109         (dwarf2out_begin_prologue): Initialize args_size.
 110         * frame.h (struct frame_state): Add args_size.
 111         * libgcc2.c (__throw): Use args_size.
 112         * final.c (final_scan_insn): If we push args, hand off all insns
 113         to dwarf2out_frame_debug.
 114         * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
 115
 116         * dwarf2out.c dwarf2out_frame_debug): Fix typo.
 117         Handle epilogue restore of SP from FP.
 118         * emit-rtl.c (gen_sequence): Still generate a sequence if the
 119         lone insn has RTX_FRAME_RELATED_P set.
 120
 121         * frame.c (extract_cie_info): Handle "e" augmentation.
 122         * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
 123         absence of UNALIGNED_*_ASM_OP.
 124         (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
 125         (output_call_frame_info): Use "e" instead of "z" for augmentation.
 126         Don't emit augmentation fields length.
 127         (dwarf2out_do_frame): Move outside of #ifdefs.
 128         * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
 129         opcodes.
 130
 131         * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
 132         * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
 133         * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
 134         * sparc/sun4gas.h: New file.
 135         * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
 136
 137         * collect2.c (write_c_file_stat, write_c_file_glob): Declare
 138         __register_frame_table and __deregister_frame.
 139
 140 1997-09-15  Brendan Kehoe  <brendan@cygnus.com>
 141
 142         * except.c (find_exception_handler_labels): Use xmalloc instead of
 143         alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
 144         in some cases.
 145
 146 Sun Sep 14 21:01:23 1997  Jeffrey A Law  (law@cygnus.com)
 147
 148         * Makefile.in: Various changes to build info files
 149         in the object tree rather than the source tree.
 150
 151 Sun Sep 14 12:24:30 1997  Jeffrey A Law  (law@cygnus.com)
 152
 153         * fixinc.math: New file to fix math.h on some systems.
 154         * configure.in (freebsd, netbsd): Use fixinc.math on these
 155         systems.
 156         * configure: Rebuilt.
 157
 158 Sun Sep 14 11:11:05 1997  Jeffrey A Law  (law@cygnus.com)
 159
 160         * regmove.c (regmove_optimize): If we end up moving the
 161         original insn due to lifetime overlaps, make sure to move
 162         REG_NOTES too.
 163
 164 Sat Sep 13 15:51:11 1997  Manfred Hollstein  <manfred@s-direktnet.de>
 165
 166         * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
 167
 168 Sat Sep 13 12:57:26 1997  Jeffrey A Law  (law@cygnus.com)
 169
 170         * haifa-sched.c (add_branch_dependences): Make each insn in
 171         a SCHED_GROUP_P block explicitly depend on the previous insn.
 172
 173 Fri Sep 12 13:49:58 1997  Jason Merrill  <jason@yorick.cygnus.com>
 174
 175         * except.h: Prototype dwarf2 hooks.
 176         * expr.c: Adjust.
 177
 178 Thu Sep 11 17:43:55 1997  Jim Wilson  <wilson@cygnus.com>
 179
 180         * configure.in (native_prefix): Delete.
 181         (mips-dec-netbsd): Don't set prefix.
 182         (*linux*): Don't set prefix.
 183
 184 Thu Sep 11 15:48:32 1997  Fred Fish  <fnf@ninemoons.com>
 185
 186         * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
 187         defined.  If not defined, include <sys/varargs.h> if
 188         HAVE_SYS_VARARGS_H is defined.
 189         * configure.in: Test for varargs.h and sys/varargs.h.
 190         * configure: Regenerate with autoconf.
 191         * config.in: Regenerate with autoheader.
 192
 193         * cpplib.c (quote_string): Cast first arg of sprintf call
 194         from "unsigned char *" to "char *".
 195         (output_line_command): Ditto.
 196         (macroexpand): Ditto.
 197         (do_line): Cast atoi arg from "unsigned char *" to "char *".
 198
 199 Wed Sep 10 21:37:30 1997  Jeffrey A Law  (law@cygnus.com)
 200
 201         * version.c: Bump for snapshot.
 202
 203         * Makefile.in (compare): Exit with nonzero status if there
 204         are comparison failures.  Note which files failed the
 205         comparison test in .bad_compare.
 206
 207 Wed Sep 10 17:05:46 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
 208
 209         * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
 210
 211 Wed Sep 10 16:37:28 1997  Fred Fish  <fnf@ninemoons.com>
 212
 213         * Makefile.in (LN, LN_S): New macros, use where appropriate.
 214         * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
 215         * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
 216         * configure: Regenerated.
 217
 218 Thu Sep 11 11:09:43 1997  Jeffrey A Law  (law@cygnus.com)
 219
 220         * loop.c (strength_reduce): Fix typo.
 221
 222 Wed Sep 10 16:01:15 1997  Jim Wilson  <wilson@cygnus.com>
 223
 224         * m88k/m88k.c (struct option): Rename to struct options.
 225         * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
 226         * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
 227         * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
 228         __DOLPHIN__ or sysV88.
 229
 230 Wed Sep 10 14:58:40 1997  Jim Wilson  <wilson@cygnus.com>
 231
 232         * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
 233         create new subreg.
 234
 235 Wed Sep 10 15:19:22 1997  Jeffrey A Law  (law@cygnus.com)
 236
 237         * config.sub: Accept 'amigados' for backward compatability.
 238
 239 Wed Sep 10 14:05:08 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
 240
 241         * Makefile.in (testsuite/site.exp): New target.
 242         (check-gcc, check-g++): Depend on testsuite/site.exp.
 243         Don't stop for failure.
 244
 245 Wed Sep 10 12:59:57 1997  Jason Merrill  <jason@yorick.cygnus.com>
 246
 247         * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
 248         if DWARF2_UNWIND_INFO.
 249
 250 Wed Sep 10 11:49:20 1997  Jason Merrill  <jason@yorick.cygnus.com>
 251
 252         Add support for exception handling using DWARF 2 frame unwind info.
 253         Currently works on SPARC and MIPS, and almost on x86.
 254
 255         * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
 256         next_stack_level, in_reg_window): Helper fns.
 257         (__throw): Implement for DWARF2_UNWIND_INFO.
 258
 259         * expr.c (expand_builtin): Handle builtins used by __throw.
 260         * tree.h (enum built_in_function): Add builtins used by __throw.
 261         * c-decl.c (init_decl_processing): Declare builtins used by __throw.
 262         * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
 263         * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
 264         (expand_builtin_extract_return_addr): Likewise.
 265         (expand_builtin_frob_return_addr): Likewise.
 266         (expand_builtin_set_return_addr_reg): Likewise.
 267         (expand_builtin_eh_stub): Likewise.
 268         (expand_builtin_set_eh_regs): Likewise.
 269         (eh_regs): Choose two call-clobbered registers for passing back values.
 270
 271         * frame.c, frame.h: New files for parsing dwarf 2 frame info.
 272         * Makefile.in (LIB2ADD): New variable.  Add $(srcdir)/frame.c.
 273         (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
 274         (stmp-multilib): Likewise.
 275         ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
 276
 277         * except.c: #include "defaults.h".
 278         (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
 279         (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
 280         (register_exception_table_p): New fn.
 281         (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
 282         (end_eh_unwinder): Likewise.
 283
 284         * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
 285         call __register_frame and __deregister_frame as needed.
 286         * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
 287         * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro.  Check
 288         EH_FRAME_SECTION_ASM_OP.
 289         * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
 290         * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
 291         (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
 292
 293         * dwarf2out.c (output_call_frame_info): If no support for
 294         EXCEPTION_SECTION, mark the start of the frame info with a
 295         collectable tag.
 296         * collect2.c (frame_tables): New list.
 297         (is_ctor_dtor): Recognise frame entries.
 298         (scan_prog_file): Likewise.
 299         (main): Pass -fno-exceptions to sub-compile.  Also do collection
 300         if there are any frame entries.
 301         (write_c_file_stat): Call __register_frame_table and
 302         __deregister_frame as needed.
 303         (write_c_file_glob): Likewise.
 304
 305         * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
 306         Also require unaligned reloc support.
 307         * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
 308         UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
 309         * sparc/sysv4.h: Not here.
 310
 311         * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
 312         * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
 313         (dwarf2out_finish): Don't call dwarf2out_frame_finish.
 314
 315         * libgcc2.c (L_eh): Reorganize, moving code shared by different
 316         EH implementations to the top.
 317         (find_exception_handler): Split out.  Start from 0.  Compare against
 318         end with >=.
 319         (__find_first_exception_table_match): Use it.
 320         * except.c (output_exception_table): Don't do anything if there's
 321         no table.  Don't output a first entry of zeroes.
 322         (eh_outer_context): Adjust properly.
 323         (add_eh_table_entry): Use xrealloc.
 324         * toplev.c (compile_file): Just call output_exception_table.
 325
 326 Wed Sep 10  11:30:36 1997  Jason Merrill  <jason@cygnus.com>
 327
 328         * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
 329
 330 Wed Sep 10 08:17:10 1997  Torbjorn Granlund  <tege@pdc.kth..se>
 331
 332         * except.c (eh_outer_context): Do masking using expand_and.
 333
 334 Wed Sep 10 01:38:30 1997  Doug Evans  <dje@cygnus.com>
 335
 336         Add port done awhile ago for the ARC cpu.
 337         * arc/arc.h: New file.
 338         * arc/arc.c: New file.
 339         * arc/arc.md: New file.
 340         * arc/initfini.c: New file.
 341         * arc/lib1funcs.asm: New file.
 342         * arc/t-arc: New file.
 343         * arc/xm-arc.h: New file.
 344         * ginclude/va-arc.h: New file.
 345         * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
 346         * ginclude/varargs.h: Likewise.
 347         * Makefile.in (USER_H): Add va-arc.h.
 348         * configure.in (arc-*-elf*): Recognize.
 349         * longlong.h: Add ARC support.
 350
 351 Wed Sep 10 01:32:54 1997  Jeffrey A Law  (law@cygnus.com)
 352
 353         * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
 354         when clearing non-BLKmode data.
 355
 356 Wed Sep 10 00:29:29 1997  Manfred Hollstein  <manfred@s-direktnet.de>
 357
 358         * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
 359         * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
 360
 361         * xm-m88k.h (USG): Only define if it hasn't already been defined.
 362
 363         * Makefile.in (risky-stage1): Delete gratutious whitespace.
 364
 365         * Makefile.in (clean): Delete libgcc1-test.
 366
 367         * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
 368
 369 Tue Sep  9 17:07:36 1997  Stan Cox  <coxs@dg-rtp.dg.com>
 370
 371         * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
 372         template.
 373
 374 Tue Sep  9 09:50:02 1997  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 375
 376         * dwarf2out.c (output_call_frame_info): Call named_section.
 377
 378 Tue Sep  9 09:12:17 1997  Jeffrey A Law  (law@cygnus.com)
 379
 380         * haifa-sched.c (print_value): Fix last change.
 381
 382 Tue Sep  9 01:30:37 1997  Jason Merrill  <jason@yorick.cygnus.com>
 383
 384         * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
 385         write_symbols.
 386
 387 Mon Sep  8 16:32:43 1997  Jason Merrill  <jason@yorick.cygnus.com>
 388
 389         * mips.c (function_prologue): Set up the CFA when ABI_32.
 390
 391         * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
 392         for dwarf2 unwind info.
 393         (output_function_prologue, sparc_flat_output_function_prologue): Same.
 394
 395         * final.c (final_end_function): Check dwarf2out_do_frame instead
 396         of DWARF2_DEBUG for dwarf2 unwind info.
 397         (final_scan_insn): Likewise.
 398         (final_start_function): Likewise.  Initialize dwarf2 frame debug here.
 399         (final): Not here.
 400
 401         * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
 402         count > 0.
 403
 404         * varasm.c (exception_section): Check EXCEPTION_SECTION first.
 405
 406 Mon Sep  8 15:15:11 1997  Nick Clifton  <nickc@cygnus.com>
 407
 408         * v850.h (ASM_SPEC): Pass on target processor.
 409         (CPP_PREDEFINES): Only define if not already specified.
 410         (TARGET_VERSION): Only define if not already specified.
 411         (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
 412         processor.
 413         (EXTRA_SWITCHES): Extra entries in the switches array.
 414         (TARGET_DEFAULT): Set default target processor.
 415
 416 Mon Sep  8 18:26:35 1997  Jim Wilson  <wilson@cygnus.com>
 417
 418         * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
 419         cases, add %# and %/, and add : to make them into extended asms.
 420
 421 Sun Sep  7 23:57:50 1997  Weiwen Liu  <liu@hepunix.physics.yale.edu>
 422
 423         * alias.c (init_alias_analysis): Clean up incompatible pointer
 424         type warning in bzero.
 425         * regmove.c (regmove_optimize): Ditto.
 426         * haifa-sched.c (find_rgns): Ditto.
 427
 428         * haifa-sched.c (print_value): Clean up ptr->int cast
 429         warnings.
 430
 431 Sun Sep  7 23:18:32 1997  Fred Fish  <fnf@ninemoons.com>
 432
 433         * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
 434         * install.texi (Configurations): Ditto.
 435         * config.sub: Ditto.
 436
 437 Sun Sep  7 22:56:56 1997  Weiwen Liu  (liu@hepvms.physics.yale.edu)
 438
 439         * Makefile.in (sdbout.o): Depend on insn-config.h.
 440
 441 Sun Sep  7 18:44:50 1997  Jim Wilson  <wilson@cygnus.com>
 442
 443         * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
 444         For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
 445
 446 Sun Sep  7 18:30:46 1997  Jason Merrill  <jason@yorick.cygnus.com>
 447
 448         * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
 449         prologue insn, only the first elt is significant.
 450         (output_call_frame_info): For exception handling, always use 4-byte
 451         fields as specified by the dwarf2 spec.
 452         Don't skip trivial FDEs.
 453
 454 Sun Sep  7 14:19:39 1997  Jeffrey A Law  (law@cygnus.com)
 455
 456         * version.c: Bump for snapshot.
 457
 458 Sun Sep  7 14:17:36 1997  Torbjorn Granlund  (tege@pdc.kth.se)
 459
 460         * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
 461         for negative constants.  Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
 462         when op1_is_pow2.
 463
 464 Sun Sep  7 13:46:46 1997  Jeffrey A Law  (law@cygnus.com)
 465
 466         * final.c (shorten_branches): During first pass, assume worst
 467         possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
 468
 469         * Makefile.in (distclean): Remove various things left around
 470         by running the testsuite.
 471
 472 Sun Sep  7 13:16:06 1997  Manfred Hollstein  <manfred@s-direktnet.de>
 473
 474         * configure.in (out_file): Emit definition to config.status in order
 475         to have a defined value for configure.lang.
 476         * configure: Re-built.
 477
 478 Sun Sep  7 09:59:08 1997  Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
 479
 480         * configure.in: Make symlink to as-new rather than as.new.  Similarly
 481         for ld-new.
 482         * configure: Rebuilt.
 483
 484 Fri Sep  5 16:54:55 1997  Jim Wilson  <wilson@cygnus.com>
 485
 486         * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
 487
 488 Fri Sep  5 16:16:44 1997  Christian Kuehnke  <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
 489
 490         * sparc/sparc.md: Add ultrasparc scheduling support.
 491         * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
 492
 493 Fri Sep  5 14:04:59 1997  Philippe De Muyter  <phdm@info.ucl.ac.be>
 494
 495         * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
 496         as initial value for real_label_map.
 497         (copy_for_inline): Likewise.
 498
 499 Fri Sep  5 13:36:44 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 500
 501         * sched.c (update_flow_info) When looking if to set found_split_dest
 502         or found_orig_dest, look at all parts of a PARALLEL.
 503         * haifa-sched.c (update_flow_info): Likewise.
 504
 505 Fri Sep  5 10:08:44 1997  Jeffrey A Law  (law@cygnus.com)
 506
 507         * v850: New directory for v850 port.
 508         * v850/lib1funcs.asm: New file.
 509         * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
 510         * ginclude/va-v850.h: New file.
 511         * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
 512         * configure.in (mn10200-*-*): New target.
 513         * configure: Rebuilt.
 514         * config.sub: Handle v850-elf.
 515         * Makefile.in (USER_H): Add va-mn10200.h.
 516         * invoke.texi: Document v850 stuff.
 517
 518 Fri Sep  5 09:37:50 1997  Jim Wilson  (wilson@cygnus.com)
 519
 520         * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
 521         has integer TYPE_{MAX,MIN}_VALUE before using them.
 522
 523         * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
 524         __HPUX_ASM__ versions.
 525
 526 Fri Sep  5 09:08:44 1997  Jeffrey A Law  (law@cygnus.com)
 527
 528         * install.sh: Delete duplicate install script.
 529
 530 Thu Sep  4 23:14:27 1997  Stan Cox  (coxs@dg-rtp.dg.com)
 531
 532         * reg-stack.c (subst_stack_regs): Pop the stack register for a
 533         computed goto which sets the same stack register.
 534
 535         * reg-stack.c (compare_for_stack_reg): Swap only if the source and
 536         destination are both on the regstack.
 537         (subst_stack_regs_pat): Put the destination at the top of the regstack.
 538
 539 Thu Sep  4 15:02:27 1997  Jim Wilson  <wilson@cygnus.com>
 540
 541         * mips.md (nonlocal_goto_receiver): Define.
 542
 543         * profile.c (output_arc_profiler): Check next_insert_after for non
 544         NULL before deferencing it.
 545
 546         * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
 547
 548 Thu Sep  4 14:51:57 1997  Jeffrey A Law  (law@cygnus.com)
 549
 550         * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
 551
 552 Thu Sep  4 15:01:49 1997  Michael Meissner  <meissner@cygnus.com>
 553
 554         * toplev.c (rest_of_compilation): For passes starting with
 555         flow_analysis, use print_rtl_with_bb instead of print_rtl.
 556
 557         * print-rtl.c (print_rtl_single): Print a single rtl value to a
 558         file.
 559
 560         * flow.c (print_rtl_with_bb): Print which insns start and end
 561         basic blocks.  For the start of a basic block, also print the live
 562         information.
 563
 564 Thu Sep  4 11:51:43 1997  Jim Wilson  <wilson@cygnus.com>
 565
 566         * toplev.c (main): Change #elif to #else/#ifdef
 567
 568         * tlink.c: Include ctype.h.
 569         * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
 570
 571 Thu Sep  4 11:17:16 1997  Mikeael Meissner  (meissner@cygnus.com)
 572
 573         * bitmap.c: Conditionally include stdlib.h.
 574         (free): Provide a declaration if NEED_DECLARATION_FREE.
 575
 576 Thu Sep  4 09:58:53 1997  Joel Sherrill  (joel@OARcorp.com)
 577
 578         * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
 579
 580 Thu Sep  4 09:53:20 1997  Jim Wilson  (wilson@cygnus.com)
 581
 582         * profile.c (output_arc_profiler): Verify next_insert_after is an
 583         INSN before and after skipping a stack pop.
 584
 585 Thu Sep  4 07:39:19 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 586
 587         * final.c (shorten_branches): Don't count the lengths of deleted
 588         instructions.
 589
 590 Thu Sep  4 09:43:01 1997  Jeffrey A Law  (law@cygnus.com)
 591
 592         * version.c: Bump for snapshot.
 593
 594 Thu Sep  4 11:04:21 1997  Michael Meissner  <meissner@cygnus.com>
 595
 596         * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
 597         two bitmaps ANDed together.
 598         (bitmap_print): Declare.
 599
 600         * bitmap.c (function_obstack): Don't declare any more.
 601         (bitmap_obstack): Obstack for allocating links from.
 602         (bitmap_obstack_init): New static to say whether to initialize
 603         bitmap_obstack.
 604         (bitmap_element_allocate): Use bitmap_obstack to allocate from.
 605         (bitmap_release_memory): Free all memory allocated from
 606         bitmap_obstack.
 607
 608         * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
 609         EXECUTE_IF_AND_IN_BITMAP.
 610
 611 Wed Sep  3 10:39:42 1997  Jim Wilson  <wilson@cygnus.com>
 612
 613         * alias.c (true_dependence): Address with AND can alias scalars.
 614         (anti_dependence, output_dependence): Likewise.
 615
 616         * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
 617
 618 Wed Sep  3 09:28:50 CDT 1997  Joel Sherrill (joel@OARcorp.com)
 619
 620         * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
 621           mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
 622           sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
 623           definitions.  Use -qrtems instead of -mrtems.
 624
 625 Wed Sep  3 09:05:41 1997  Robert Lipe  (robert@dgii.com)
 626
 627         * xm-sco5.h (sys_siglist): Define.
 628         (SYS_SIGLIST_DECLARED): Likewise.
 629
 630 Tue Sep  2 23:33:33 1997  Jeffrey A Law  (law@cygnus.com)
 631
 632         * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
 633
 634 Wed Sep  3 02:09:30 1997  Torbjorn Granlund  <tege@pdc.kth..se>
 635
 636         * except.c (eh_outer_context): Expand masking operation using
 637         expand_binop.
 638
 639 Tue Sep  2 18:09:39 1997  Jim Wilson  <wilson@cygnus.com>
 640
 641         * alpha.md (floatdisf2-1): New pattern.
 642
 643 Tue Sep  2 18:41:55 1997  Jeffrey A Law  (law@cygnus.com)
 644
 645         * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
 646         * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
 647         * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
 648         * gcc.texi: Note that if you define sys_siglist that you should
 649         also define SYS_SIGLIST_DECLARED.
 650
 651         * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
 652         are relative to the next instruction, not the current instruction.
 653
 654 Tue Sep  2 14:22:43 1997  Jim Wilson  <wilson@cygnus.com>
 655
 656         * local-alloc.c (contains_replace_regs): New function.
 657         (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
 658         verify that there is no existing REG_EQUIV note, and add a call to
 659         contains_place_regs.
 660
 661 Tue Sep  2 12:48:11 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
 662
 663         * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
 664         (STARTFILE_SPEC): Always use crtbegin.o%s
 665         (ENDFILE_SPEC): Always use crtend.o%s.
 666
 667 Tue Sep  2 12:00:36 1997  Jim Wilson  <wilson@cygnus.com>
 668
 669         * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
 670         is passed in.
 671         * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
 672         SFmode for 64 bit hosts.
 673
 674 Tue Sep  2 13:42:38 1997  Paul N. Hilfinger  <hilfingr@CS.Berkeley.EDU>
 675
 676         * fixincludes: Permits spaces between # and define.  Discard C++
 677         comments in sys/pci.h on HP/UX 10.20.
 678
 679 Mon Sep  1 22:13:18 1997  Jeffrey A Law  (law@cygnus.com)
 680
 681         * version.c: Bump for snapshot.
 682
 683         * pa.c (restore_unscaled_index_insn_codes): New function.
 684         (record_unscaled_index_insn_codes): Likewise.
 685         (output_function_prologue): Call restore_unscaled_index_insn_codes.
 686         (output_function_epilogue): Free memory for unscaled_index_insn_codes.
 687         (pa_reorg): Call record_unscaled_index_insn_codes.
 688
 689         * haifa-sched.c (move_insn): Handle notes correctly for insns
 690         with SCHED_GROUP_P set.
 691
 692 Mon Sep  1 16:58:57 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
 693
 694         * alpha/xm-linux.h (USE_BFD): Undef before define.
 695
 696 Mon Sep  1 16:25:34 1997  Jim Wilson  <wilson@cygnus.com>
 697
 698         * cse.c (cse_insn): Don't record BLKmode values.
 699
 700 Mon Sep  1 11:25:47 1997  Stephen Williams  (steve@icarus.icarus.com)
 701
 702         * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
 703
 704 Mon Sep  1 08:29:46 1997  Jeffrey A Law  (law@cygnus.com)
 705
 706         * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
 707         * collect2.c (sys_errlist): Likewise.
 708         * cpplib.c (sys_errlist): Likewise.
 709         * gcc.c (sys_errlist): Likewise.
 710         * protoize (sys_errlist): Likewise.
 711         * configure.in: Check for strerror.
 712         * xm-freebsd.h (HAVE_STRERROR): Remove definition.
 713         * xm-gnu.h (HAVE_STRERROR): Likewise.
 714         * xm-linux.h (HAVE_STRERROR): Likewise.
 715         * xm-netbsd.h (HAVE_STRERROR): Likewise.
 716         * xm-bsd386.h (HAVE_STRERROR): Likewise.
 717         * xm-cygwin32.h (HAVE_STRERROR): Likewise.
 718         * xm-dos.h (HAVE_STRERROR): Likewise.
 719         * xm-mingw32.h (HAVE_STRERROR): Likewise.
 720         * xm-pa.h (HAVE_STRERROR): Likewise.
 721         * xm-papro.h (HAVE_STRERROR): Likewise.
 722         * xm-sysv4.h (HAVE_STRERROR): Likewise.
 723         * configure, config.in: Rebuilt.
 724
 725         * Makefile.in: Add several missing "else true" clauses.
 726
 727         * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
 728         * mips-tfile.c: Likewise.
 729         * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
 730         * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
 731         * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
 732         * configure.in: Check for sys_siglist declaration.
 733         * configure, config.in: Rebuilt.
 734
 735 Mon Sep  1 08:04:07 1997  Joel Sherrill (joel@OARcorp.com)
 736
 737         * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
 738         m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
 739         sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
 740         * i960/i960.h: Added SUBTARGET_SWITCHES macro.
 741         * rs6000/sysv4.h (extra_subtarget_switches): Added new
 742         macro EXTRA_SUBTARGET_SWITCHES.
 743         * configure.in (sh*-*-rtems*): New target.
 744         * sh/rtems.h: New file.
 745         * sh/sh.h: Added SUBTARGET_SWITCHES macro.
 746         * configure: Rebuilt.
 747
 748 Sat Aug 30 22:54:26 1997  Jim Wilson  <wilson@cygnus.com>
 749
 750         * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
 751
 752 Sat Aug 30 10:49:46 1997  David Edelsohn  <edelsohn@mhpcc.edu>
 753
 754         * rs6000.md: Make DF fused-add operations pay attention to
 755         -mno-fused-add.
 756
 757 Fri Aug 29 19:19:54 1997  Jim Wilson  <wilson@cygnus.com>
 758
 759         * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
 760
 761 Fri Aug 29 16:13:51 1997  Jeffrey A Law  (law@cygnus.com)
 762
 763         * pa.md (reload_peepholes): Make sure operand is a REG before
 764         examining REGNO.  Allow general registers too.
 765
 766 Fri Aug 29 11:42:04 1997  Jim Wilson  <wilson@cygnus.com>
 767
 768         * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
 769
 770 Fri Aug 29 09:33:20 1997  Philipp Thomas  (kthomas@lxi165.gwdg.de)
 771
 772         * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
 773         to reallocate abbrev_die_table.
 774
 775 Thu Aug 28 15:14:46 1997  Jim Wilson  <wilson@cygnus.com>
 776
 777         * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
 778
 779 1997-08-27  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 780
 781         * Makefile.in (config.status): Depend on version.c
 782
 783         * expr.h (insn_gen_function): Reenable prototype.
 784
 785         * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
 786         first parameter.
 787
 788 Thu Aug 28 13:01:43 1997  Jim Wilson  <wilson@cygnus.com>
 789
 790         * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
 791
 792 Thu Aug 28 07:03:15 1997  Jeffrey A Law  (law@cygnus.com)
 793
 794         * version.c: Bump for latest snapshot.
 795
 796         * bc-optab.c: Conditionally include stdlib.h.
 797         (free): Provide a declaration if NEED_DECLARATION_FREE.
 798         * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
 799         * rtl.h (free): Remove declaration.
 800         * tree.h (free): Remvoe declaration.
 801
 802         * configure: Rebuilt.
 803
 804 Wed Aug 27 21:32:20 1997  Jeffrey A Law  (law@cygnus.com)
 805
 806         * flags.h (flag_move_all_movables): Declare.
 807         (flag_reduce_all_givs): Likewise.
 808         * loop.c (move_movables): Handle flag_move_all_movables.
 809         (strength_reduce): Handle flag_reduce_all_givs.
 810         * toplev.c (flag_move_all_movables): Define.
 811         (flag_reduce_all_givs): Likewise.
 812         (f_options): Add -fmove-all-movables and -freduce-all-givs.
 813         * invoke.texi: Document new options, including alias stuff that
 814         wasn't included last time.
 815
 816 Wed Aug 27 18:08:51 1997  Bob Manson  (manson@cygnus.com)
 817
 818         * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
 819         * t-mn10200: Ditto.
 820         * t-vxsparc: Ditto.
 821         * t-vxworks68: Ditto.
 822         * t-vxworks960: Ditto.
 823         * t-vx29k: Ditto.
 824
 825 Wed Aug 27 16:35:29 1997  Richard Henderson  <rth@cygnus.com>
 826
 827         * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
 828         if not already defined, and USE_C_ALLOCA not defined.
 829
 830 Wed Aug 27 16:08:43 1997  Jim Wilson  <wilson@cygnus.com>
 831
 832         * config.guess: Replace with script that uses ../config.guess.
 833
 834         * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
 835         if USE_GNULIBC_1 is not defined.
 836
 837 Wed Aug 27 15:49:12 1997  Richard Henderson  <rth@cygnus.com>
 838
 839         * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
 840         * config.guess: Recognize alpha-linux-gnulibc1.
 841         * configure.in (alpha-*-linux-gnulibc1): New target.
 842         (alpha-*-linux-gnu*): Don't build crtbegin/end.
 843
 844 Wed Aug 27 11:52:58 1997  Jim Wilson  <wilson@cygnus.com>
 845
 846         * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
 847         last change.
 848
 849 Wed Aug 27 01:56:18 1997  Doug Evans  <dje@seba.cygnus.com>
 850
 851         * loop.c (combine_movables): Earlier insns don't match later ones.
 852
 853 Wed Aug 27 01:24:25 1997  H.J. Lu   (hjl@gnu.ai.mit.edu)
 854
 855         * config/linux.h (CC1_SPEC): Define it only if not defined.
 856
 857         * config/m68k/linux.h (CC1_SPEC): Undefine it before include
 858         <linux.h>
 859
 860         * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
 861         USE_GNULIBC_1 is not defined.
 862
 863         * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New.  Defined as 1.
 864
 865         * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
 866         as 1 if USE_GNULIBC_1 is not defined.
 867
 868 Wed Aug 27 00:49:14 1997  Jeffrey A Law  (law@cygnus.com)
 869
 870         * reorg.c (dbr_schedule): Allow current_function_return_rtx
 871         to be something other than a REG.
 872         * function.c (expand_function_end): Fix current_function_return_rtx
 873         if it was a pseudo.
 874
 875         * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
 876         * x-netbsd: Likewise
 877         * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
 878         (INSTALL_HEADERS): Delete.
 879         * x-dguxbcs: Likewise.
 880         * x-hp3bsd44: Likewise
 881         * x-pa: Likewise.
 882
 883 Wed Aug 27 00:30:00 1997  Bernd Schmidt  <crux@pool.informatik.rwth-aachen.de>
 884
 885         * i386.md (pop): pop increments the stack pointer.
 886         (prologue_set_stack_ptr): New pattern.
 887         * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
 888         instead of subsi3.
 889
 890 Tue Aug 26 18:50:32 1997  Jim Wilson  <wilson@cygnus.com>
 891
 892         * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
 893         address where an offsettable address is required.
 894
 895 Tue Aug 26 17:54:56 1997  Michael P. Hayes  (michaelh@ongaonga.chch.cri.nz>
 896
 897         * loop.c (check_final_value): Don't miss a biv increment in a
 898         parallel.
 899
 900 Tue Aug 26 12:03:49 1997  Jim Wilson  (wilson@cygnus.com)
 901
 902         * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
 903         TYPE_DECL_IS_STUB instead of DECL_NAME.
 904
 905 Mon Aug 25 23:27:10 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
 906
 907         * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
 908
 909 Mon Aug 25 23:27:10 1997  Jim Meyering <meyering@eng.ascend.com>
 910
 911         * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
 912
 913 Mon Aug 25 13:12:24 1997  Jeffrey A Law  (law@cygnus.com)
 914
 915         * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
 916         (find_post_sched_live): Likewise.
 917
 918         * haifa-sched.c (schedule_block): Remove old code to get arguments
 919         from hard regs into pseudos early.
 920
 921 Mon Aug 25 08:55:00 1997  Jeffrey A Law  (law@cygnus.com)
 922
 923         * version.c: Bump for new snapshot.
 924
 925         * local-alloc.c (update_equiv_regs): All the target to reject
 926         promotion of some REG_EQUAL to REG_EQUIV notes.
 927         * pa.h (DONT_RECORD_EQUIVALENCE): Define.
 928
 929         * pa.c (secondary_reload_class): (mem (mem ... )) does not need
 930         secondary reloads.
 931
 932         * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
 933         store of the argument registers.
 934
 935 Mon Aug 25 08:39:02 1997  Craig Burley  (burley@gnu.ai.mit.edu)
 936
 937         * fold-const.c (multiple_of_p): New function.
 938         (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
 939
 940 Mon Aug 25 01:47:41 1997  Jeffrey A Law  (law@cygnus.com)
 941
 942         * expr.h (insn_gen_function): Temporarily remove prototype.
 943
 944 Sun Aug 24 17:22:21 1997  Jim Wilson  <wilson@cygnus.com>
 945
 946         * Makefile.in (install-info): Don't cd into srcdir.  Add srcdir to
 947         filenames.  Use sed to extract base filename for install.
 948
 949 Sat Aug 23 18:19:40 1997  John F. Carr  <jfc@mit.edu>
 950
 951         * unroll.c (find_splittable_givs): Only share if two givs have the
 952         same add and multiply values.
 953
 954 Sat Aug 23 14:36:27 1997  Jim Wilson  <wilson@cygnus.com>
 955
 956         * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
 957         * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
 958
 959 Sat Aug 23 00:18:22 1997  Jeffrey A Law  (law@cygnus.com)
 960
 961         * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
 962         around branch tables.
 963         * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
 964         and .end_brtab directives if TARGET_GAS.
 965
 966 Fri Aug 22 14:05:55 1997  Jim Wilson  <wilson@cygnus.com>
 967
 968         * alias.c (true_dependence): Pass x_addr not x to varies.
 969
 970         * acconfig.h (NEED_DECLARATION_CALLOC): Add.
 971         * configure.in: Add GCC_NEED_DECLARATION call for calloc.
 972         * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
 973         declarations.
 974         * config.in, configure: Regenerate.
 975
 976 Thu Aug 21 23:52:16 1997  John F. Carr  <jfc@mit.edu>
 977
 978         * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
 979         LO_SUM.
 980         (record_set): Handle LO_SUM like PLUS.
 981         (init_alias_analysis): When following chains of base addresses,
 982         do not stop on reaching a hard register.
 983
 984 Thu Aug 21 20:17:37 1997  Jeffrey A Law  (law@cygnus.com)
 985
 986         * version.c: Bump for new snapshot.
 987
 988 Thu Aug 21 17:28:00 1997  Jim Wilson  <wilson@cygnus.com>
 989
 990         * alpha.h (ARCH_ASM_FILE_START): Define.
 991         (ASM_FILE_START): Use ARCH_ASM_FILE_START.
 992         * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
 993
 994 Thu Aug 21 10:22:19 1997  Jeffrey A Law  (law@cygnus.com)
 995
 996         * Makefile.in (install-common): Put gcov comment at start of line.
 997
 998 Wed Aug 20 22:47:33 1997  Jeffrey A Law  (law@cygnus.com)
 999
1000         * alias.c (init_alias_analysis): When simplifying the reg_base_value
1001         array, simplify entries for hard registers too.
1002
1003 Wed Aug 20 12:35:47 1997  Dave Love  <d.love@dl.ac.uk>
1004
1005         * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
1006         list.
1007
1008 Wed Aug 20 11:58:33 1997  Jim Wilson  <wilson@cygnus.com>
1009
1010         * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
1011         block_stack before dereferencing it.
1012
1013 Wed Aug 20 11:57:11 1997  Michael Meissner  <meissner@cygnus.com>
1014
1015         * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
1016
1017 Tue Aug 19 17:10:56 1997  Jason Merrill  <jason@yorick.cygnus.com>
1018
1019         * cplus-dem.c: Add 'extern' to prepends_underscore.
1020
1021 Tue Aug 19 09:34:57 1997  Jeffrey A Law  (law@cygnus.com)
1022
1023         * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
1024         (get_issue_rate): Delete.
1025         * pa.h (ISSUE_RATE): Define.
1026
1027         * configure.in: Turn on haifa by default for the PA.
1028         * configure: Rebuilt.
1029         * pa.c (override_options): Accept -mschedule=7200 option.
1030         (pa_adjust_cost): No longer need to scale costs for newer
1031         processors.
1032         * pa.h (enum processor_type): Add PROCESSOR_7200.
1033         * pa.md: Revamp scheduling parameters to work better with
1034         haifa.  Add scheduling parameters for the 7200.
1035
1036         * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
1037         insns too.
1038         (schedule_block): When adjusting basic_block_{head,end}, account
1039         for movement of SCHED_GROUP_P insns too.
1040
1041         * haifa-sched.c (debug_dependencies): Fix thinko.
1042
1043         * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
1044         (site.exp, check, check-g++, check-gcc): New targets.
1045
1046         * haifa-sched.c: Make lots of variables static.
1047
1048 Tue Aug 19 07:18:34 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
1049
1050         * expr.h, real.h: Finish prototyping.
1051
1052 Mon Aug 18 21:49:02 1997  Jim Wilson  <wilson@cygnus.com>
1053
1054         * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
1055         reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
1056         * reload1.c: Undo bugfix from Aug 11.
1057
1058 Mon Aug 18 17:39:02 1997  Mike Meissner  <meissner@cygnus.com>
1059
1060         * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
1061         quotes around the name.
1062         * configure: Regenerate.
1063
1064 Mon Aug 18 13:46:47 1997  Jim Wilson  <wilson@cygnus.com>
1065
1066         * Makefile.in (stmp-multilib-sub): Fix typo in last change.
1067
1068 Thu Aug  7 10:33:13 1997  Manfred Hollstein  <manfred@s-direktnet.de>
1069
1070         * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
1071         to sub-makes to avoid building more passes than the user might have
1072         requested on the command line.
1073
1074 Sun Aug 17 15:42:17 1997  Dave Love  (d.love@dl.ac.uk)
1075
1076         * configure.in: Expurgate `broken_install' (install is
1077         autoconfed).
1078
1079         * configure.lang: Substitute autoconfed ${INSTALL} (not currently
1080         relevant).
1081
1082 Sat Aug 16 01:08:12 1997  Jeffrey A Law  (law@cygnus.com)
1083
1084         * loop.c (is_power_of_2, is_conditional_branch): Delete unused
1085         functions and declarations.
1086         (analyze_loop_iterations): Use condjump_p.
1087         (insert_bct): Likewise.  Use exact_log2.
1088
1089 Fri Aug 15 23:48:32 1997  Jeffrey A Law  (law@cygnus.com)
1090
1091         * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
1092         (schedule_region): Likewise.
1093         (schedule_insns): Likewise.
1094
1095         * PROJECTS: Update with Haifa stuff.
1096
1097 Fri Aug 15 12:49:56 1997  Jeffrey A Law  (law@cygnus.com)
1098
1099         * version.c: Change the version string to look like:
1100         egcs-2.90.00 970814 (gcc2-970802 experimental).
1101
1102         * loop.c (is_conditional_branch): Make definition match declaration.
1103
1104         * gcc.c: Take out experimental snapshot warning message.
1105
1106 Fri Aug 15 13:43:39 1997  Michael Meissner  <meissner@cygnus.com>
1107
1108         * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
1109         print out the names of the notes.  Print out the name of the insn
1110         that is not a note, and not an {,CALL_,JUMP_}INSN.
1111
1112 Wed Aug 13 17:32:38 1997  Jason Merrill  <jason@yorick.cygnus.com>
1113
1114         * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
1115         again for the slot after we give it RTL.
1116
1117 Wed Aug 13 01:03:37 1997  Doug Evans  <dje@canuck.cygnus.com>
1118
1119         * configure.in (haifa configury): Fix typo.
1120         * configure: Regenerate.
1121
1122 Tue Aug 12 10:20:36 1997  Jeffrey A Law  (law@cygnus.com)
1123
1124         * version.c: Bump version to "gcc-3.0.0 970802 experimental".
1125
1126         * gcc.info*: Rebuilt.
1127
1128         * COPYING.g77, README.g77: New files.
1129         * real.c (ereal_unto_float, ereal_unto_double): New functions.
1130         * real.h (ereal_unto_float, ereal_unto_double): Declare them.
1131         (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
1132
1133 Mon Aug 11 14:50:55 1997  Jeffrey A Law  (law@cygnus.com)
1134
1135         * Integrate Haifa instruction scheduler.
1136         * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS.  Prefix all references
1137         to sched with $(SCHED_CFLAGS.
1138         * configure.in: Handle --enable-haifa.
1139         * configure: Rebuilt.
1140         * flags.h: Add new flags for haifa instruction scheduler.
1141         * genattrtab.c (expand_units): For haifa, don't subtract one
1142         when computing blockage.
1143         * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
1144         (flag_schedule_speculative): Ditto.
1145         (flag_schedule_speculative_load): Ditto.
1146         (flag_schedule_speculative_load_dangerous): Ditto.
1147         (flag_schedule_reverse_before_reload): Ditto.
1148         (flag_schedule_reverse_after_reload): Ditto.
1149         (flag_branch_on_count_reg): Ditto.
1150         (f_options): Add Haifa switches.
1151         (main): Turn off some Haifa options if appropriate macro is
1152         defined.  Process Haifa switches.
1153         * unroll.c (iteration_info): No longer static, since Haifa
1154         scheduler uses it.
1155         (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
1156         * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
1157         * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
1158         * loop.h (loop_initial_value,loop_unroll_iter): New globals.
1159         * loop.c (loop_optimize): If HAIFA is defined, allocate additional
1160         storage for the Haifa scheduler.
1161         (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
1162         LABEL_NEXTREF.
1163         (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
1164         are defined, call analyze_loop_iterations and insert_bct to use
1165         countdown loops.
1166         (record_giv): Refine test for jumps out of loops if HAIFA is
1167         defined.
1168         (analyze_loop_iterations): New function to identify if we can use
1169         a countdown loop.
1170         (insert_bct): Insert countdown loop.
1171         (instrument_loop_bct): Low level code to insert countdown loop.
1172         (loop_number): Calculate UID of loop.
1173         (indirect_jump_in_function_p): Return true if an indirect jump is
1174         in the function.
1175         (is_power_of_2): Return true if value is a power of 2.
1176         (is_conditional_branch): Return true if insn is a conditional
1177         jump.
1178         (fix_bct_param): Process -fbct-{min,max}-N switches.
1179         (check_bct_param): Return true if loop should be instrumented.
1180         * loop.c (loop_initial_value,loop_unroll_iter): New globals.
1181         (loop_optimize): Initialize.
1182         (get_condition_for_loop): Ditto.
1183         * loop.c (strength_reduce): Inside of code that uses #ifdef
1184         HAVE_decrement_and_branch_on_count code, test it to make sure the
1185         condition is true.
1186         (instrument_loop_bct): Ditto.
1187         * haifa-sched.c: New file.
1188
1189
1190         * Integrate regmove pass.
1191         * Makefile.in (OBJS): Add regmove.o
1192         (regmove.o): Add dependencies.
1193         * flow.c (find_use_as_address): No longer static.
1194         * rtl.h (find_use_as_address): Declare.
1195         * toplev.c (regmove_dump, flag_regmove): Define.
1196         (f_options): Add -fregmove.
1197         (regmove_dump_file, regmove_time): Define.
1198         (fatal_insn): Close the regmove dump file.
1199         (compile_file): Initialize regmove_time; open/close the regmove dump
1200         file as needed.  Print regmove time as needed.
1201         (rest_of_compilation): Run regmove pass if requested, dump
1202         RTL after regmove if requested.
1203         (main): If -O2 or more, turn on regmove.  Handle dump switches.
1204         * regmove.c: New file.
1205
1206 Mon Aug 11 14:15:02 1997  Jeffrey A Law  (law@cygnus.com)
1207
1208         * Integrate tlink patch from jason@cygnus.com
1209         * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
1210         (process_command): Increment n_switches for them.  Don't discard
1211         their args.  Validate them.
1212         (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
1213         From Rohan Lenard.
1214         (process_command): Set include_prefixes from COMPILER_PATH.
1215         (main): Set COLLECT_GCC_OPTIONS sooner.
1216         * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
1217         * tlink.c, hash.c, hash.h: New files.
1218         * Makefile.in (USE_COLLECT2): Always use collect2.
1219         (collect2): Depend on and link in hash.o and tlink.o.
1220         (tlink.o, hash.o): Add dependencies.
1221
1222 Mon Aug 11 10:04:49 1997  Jeffrey A Law  (law@cygnus.com)
1223
1224         * Integrate alias analysis changes from jfc@mit.edu
1225         * Makefile.in (OBJS): Add alias.o
1226         (alias.o): Add dependencies.
1227         * alias.c: New file.
1228         * sched.c: Remove alias analysis code.  It lives in alias.c now.
1229         (sched_analyze_2): Add new arguments to true_dependence.
1230         (schedule_insns): Always call init_alias_analysis.
1231         * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
1232         mark return value from such functions as a pointer and keep track of
1233         them for alias analysis.  If a return value from a function is a
1234         pointer, mark it as such.
1235         * combine.c (distribute_notes): Handle REG_NOALIAS.
1236         * cse.c (struct write_data): Delete.  No longer needed.
1237         (invalidate): Don't call set_nonvarying_address_components anymore.
1238         Use true_dependence to decide if an entry should be removed from
1239         the hash table.
1240         (invalidate_memory): Remove WRITES argument, simplify appropriately.
1241         Fix all callers.
1242         (note_mem_written): Similarly for WRITE_PTR argument.
1243         (invalidate_from_clobbers): Similarly for W argument.
1244         (invalidate_for_call): Remove memory elements from the hash table.
1245         (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
1246         (cse_rtx_varies_p): New function.  Derived from old
1247         cse_rtx_addr_varies_p.
1248         (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
1249         Don't call note_mem_written anymore.  Stack pushes invalidate the stack
1250         pointer if PUSH_ROUNDING is defined.  No longer need to call
1251         cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
1252         (skipped_writes_memory): Remove variable.
1253         (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
1254         (invalidate_skipped_block): Simplify for new alias analysis code.
1255         (cse_set_around_loop): Likewise.
1256         (cse_main): Call init_alias_analysis.
1257         * flags.h (flag_alias_check, flag_argument_noalias): Declare.
1258         * toplev.c (flag_alias_check, flag_argument_noalias): Define.
1259         (f_options): Add new alias checking arguments.
1260         (main): Set flag_alias_check when optimizing.
1261         * local_alloc (validate_equiv_mem_from_store): Add new arguments
1262         to true_dependence.
1263         (memref_referenced_p): Likewise.
1264         * loop.c (NUM_STORES): Increase to 30.
1265         (prescan_loop): Only non-constant calls set unknown_address_altered.
1266         (invariant_p): Add new arguments to true_dependence.
1267         (record_giv): Initialize unrolled and shared fields.
1268         (emit_iv_add_mult): Call record_base_value as needed.
1269         * loop.h (struct induction): Add unrolled and shared fields.
1270         * unroll.c  (unroll_loop): Call record_base_value as needed.
1271         (copy_loop_body): Likewise.
1272         (final_biv_value): Likewise.
1273         (final_giv_value): Likewise.
1274         (find_splittable_regs): Likewise.  Only create one new pseudo
1275         if we have multiple address GIVs that were combined with the same
1276         dst_reg GIV.  Note when a new register is created due to unrolling.
1277         * rtl.c (reg_note_name): Add REG_NOALIAS.
1278         * rtl.h (enum reg_note): Similarly.
1279         (rtx_varies_p, may_trap_p, side_effects_p): Declare.
1280         (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
1281         (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
1282         (true_dependence, read_dependence, anti_dependence): Likewise.
1283         (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
1284         (mark_user_reg, mark_reg_pointer): Likewise.
1285
1286
1287         * Integrate reload bugfix from Wilon which enables the PA port
1288         to bootstrap again.
1289         * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
1290         OPERAND_ADDRESS when computing how many registers an insn needs.
1291         (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
1292         conflict.
1293         (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
1294         OPADDR_ADDR reload.
1295         (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
1296         in reload_reg_use_in_op_addr do not reach the end.
1297         do not reach the end.
1298         (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
1299         RELOAD_FOR_OPERAND_ADDRESS.
1300
1301 Sun Aug 10 12:00:20 1997  Jeffrey A Law  (law@cygnus.com)
1302
1303         * egcs project officially starts.
1304