gcc/ChangeLog

   1 Fri Sep 19 20:51:03 199  H.J. Lu  (hjl@gnu.ai.mit.edu)
   2
   3         * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
   4
   5 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
   6
   7         * jump.c (thread_jumps): check can_reverse_comparison_p before
   8         threading a reversed-condition jump.
   9
  10         * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
  11         * haifa-sched.c (update_flow_info): Likewise.
  12
  13 Thu Sep 18 21:13:40 1997  Jeffrey A Law  (law@cygnus.com)
  14
  15         * Makefile.in (BOOT_CFLAGS): Use -O2.
  16
  17         * configure.in (strtoul, bsearch): Have autoconf check for these
  18         functions.
  19         * configure, config.in: Rebuilt.
  20
  21         * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
  22         * mips/mips.h (alloca): Likewise.
  23         * rs6000/xm-rs6000.h (alloca): Likewise.
  24         * rs6000/xm-sysv4.h: Likewise.
  25
  26 Thu Sep 18 14:22:22 1997  Jason Merrill  <jason@yorick.cygnus.com>
  27
  28         * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
  29         * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
  30         (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
  31
  32         * except.c (end_eh_unwinder): Subtract 1 from return address.
  33         * libgcc2.c (__throw): Likewise.
  34         (find_exception_handler): Don't change PC here.  Compare end with >.
  35
  36 Thu Sep 18 10:43:07 1997  Nick Clifton  <nickc@cygnus.com>
  37
  38         * v850.c (compute_register_save_size): Correct register
  39         number.
  40         * v850.md (save_interrupt, return_interrupt): Correct
  41         register number.
  42         * v850/lib1funcs.asm (save_interrupt): Correct register number.
  43         (return_interrupt): Use stack pointer, not element pointer.
  44
  45 1997-09-18  Brendan Kehoe  <brendan@lisa.cygnus.com>
  46
  47         * configure.in, configure: Make sure to create the stage* and include
  48         symbolic links in each subdirectory.
  49
  50 Thu Sep 18 01:47:06 1997  Jeffrey A Law  (law@cygnus.com)
  51
  52         * pa.md (reload_peepholes): Don't allow addresses with side
  53         effects for the memory operand.
  54
  55 Wed Sep 17 18:19:53 1997  Jason Merrill  <jason@yorick.cygnus.com>
  56
  57         * libgcc2.c (find_exception_handler): Subtract one from our PC when
  58         looking for a handler, to avoid hitting the beginning of the next
  59         region.
  60
  61         * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
  62
  63 Wed Sep 17 18:33:59 1997  Jeffrey A Law  (law@cygnus.com)
  64
  65         * mips/abi64.h (LONG_MAX_SPEC): Define.
  66         * mips.h (LONG_MAX_SPEC): Define.
  67         (CPP_SPEC): Include long_max_spec.
  68         (EXTRA_SPECS): Include long_max_spec.
  69
  70 Wed Sep 17 14:11:38 1997  Jeffrey A Law  (law@cygnus.com)
  71
  72         * v850.c (construct_save_jarl): Fix thinko in last change.
  73
  74 Wed Sep 17 09:53:07 1997  Jeffrey A Law  (law@cygnus.com)
  75
  76         * version.c: Bump for snapshot.
  77
  78 Tue Sep 16 14:22:36 1997  Jason Merrill  <jason@yorick.cygnus.com>
  79
  80         * libgcc2.c (find_exception_handler): Not found is -1.
  81
  82         * integrate.c (expand_inline_function): Move expand_start_bindings
  83         after expanding the arguments.
  84
  85 Tue Sep 16 11:13:46 1997  Jim Wilson  <wilson@cygnus.com>
  86
  87         * expr.c (expand_expr): Remove previous incorrect change.
  88         If target and slot has no DECL_RTL, then call mark_addressable
  89         again for the slot after we give it RTL.
  90
  91 Tue Sep 16 09:18:52 1997  Jason Merrill  (jason@cygnus.com)
  92
  93         * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
  94         again for the slot after we give it RTL.
  95
  96 Tue Sep 16 00:13:20 1997  Nick Clifton  <nickc@cygnus.com>
  97
  98         * v850.c (register_is_ok_for_epilogue,
  99         pattern_is_ok_for_epilogue, construct_restore_jr,
 100         pattern_is_ok_for_prologue, construct_save_jarl): New functions.
 101
 102         * v850.h (pattern_is_ok_for_prologue,
 103         pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
 104         predicates.
 105
 106         * v850.md: Replace prologue and epilogue patterns with a
 107         match_parallel pattern.
 108
 109 Mon Sep 15 22:53:01 1997  Jeffrey A Law  (law@cygnus.com)
 110
 111         * aclocal.m4: Add replacement for AC_PROG_INSTALL.
 112         * configure.in: Use EGCS_PROG_INSTALL.
 113
 114 Mon Sep 15 22:40:55 1997  Jim Wilson  (wilson@cygnus.com)
 115
 116         * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
 117         extern inline function.
 118
 119 Mon Sep 15 22:40:55 1997  Richard Henderson  (rth@cygnus.com)
 120
 121         * dwarf2out.c (reg_loc_descriptor): Fix prototype.
 122         (concat_loc_descriptor): New function.
 123         (loc_descriptor): Call it.
 124         (add_AT_location_description): Also elide the descriptor if both
 125         halves of a CONCAT are pseudos.
 126         (add_location_or_const_value_attribute): Recognize CONCAT too.
 127
 128 Mon Sep 15 15:24:00 1997  Richard Henderson  <rth@cygnus.com>
 129
 130         * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
 131
 132         * alpha/alpha.c (output_prolog): New variable sa_reg.  Use it for
 133         out-or-range reg_offset.
 134         (output_epilog): Likewise.
 135
 136 Mon Sep 15 15:39:26 1997  Jeffrey A Law  (law@cygnus.com)
 137
 138         * cse.c (simplify_relational_operation): If MODE specifies a
 139         mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
 140         is derived from the sign bit of the low word.
 141
 142 Mon Sep 15 11:43:38 1997  Jason Merrill  <jason@yorick.cygnus.com>
 143
 144         Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
 145
 146         * dwarf2.h: Add DW_CFA_GNU_args_size.
 147         * frame.c (execute_cfa_insn): Likewise.
 148         * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
 149         (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
 150         (dwarf2out_frame_debug): If this isn't a prologue or epilogue
 151         insn, hand it off to dwarf2out_stack_adjust.
 152         (dwarf2out_begin_prologue): Initialize args_size.
 153         * frame.h (struct frame_state): Add args_size.
 154         * libgcc2.c (__throw): Use args_size.
 155         * final.c (final_scan_insn): If we push args, hand off all insns
 156         to dwarf2out_frame_debug.
 157         * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
 158
 159         * dwarf2out.c dwarf2out_frame_debug): Fix typo.
 160         Handle epilogue restore of SP from FP.
 161         * emit-rtl.c (gen_sequence): Still generate a sequence if the
 162         lone insn has RTX_FRAME_RELATED_P set.
 163
 164         * frame.c (extract_cie_info): Handle "e" augmentation.
 165         * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
 166         absence of UNALIGNED_*_ASM_OP.
 167         (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
 168         (output_call_frame_info): Use "e" instead of "z" for augmentation.
 169         Don't emit augmentation fields length.
 170         (dwarf2out_do_frame): Move outside of #ifdefs.
 171         * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
 172         opcodes.
 173
 174         * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
 175         * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
 176         * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
 177         * sparc/sun4gas.h: New file.
 178         * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
 179
 180         * collect2.c (write_c_file_stat, write_c_file_glob): Declare
 181         __register_frame_table and __deregister_frame.
 182
 183 1997-09-15  Brendan Kehoe  <brendan@cygnus.com>
 184
 185         * except.c (find_exception_handler_labels): Use xmalloc instead of
 186         alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
 187         in some cases.
 188
 189 Sun Sep 14 21:01:23 1997  Jeffrey A Law  (law@cygnus.com)
 190
 191         * Makefile.in: Various changes to build info files
 192         in the object tree rather than the source tree.
 193
 194 Sun Sep 14 12:24:30 1997  Jeffrey A Law  (law@cygnus.com)
 195
 196         * fixinc.math: New file to fix math.h on some systems.
 197         * configure.in (freebsd, netbsd): Use fixinc.math on these
 198         systems.
 199         * configure: Rebuilt.
 200
 201 Sun Sep 14 11:11:05 1997  Jeffrey A Law  (law@cygnus.com)
 202
 203         * regmove.c (regmove_optimize): If we end up moving the
 204         original insn due to lifetime overlaps, make sure to move
 205         REG_NOTES too.
 206
 207 Sat Sep 13 15:51:11 1997  Manfred Hollstein  <manfred@s-direktnet.de>
 208
 209         * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
 210
 211 Sat Sep 13 12:57:26 1997  Jeffrey A Law  (law@cygnus.com)
 212
 213         * haifa-sched.c (add_branch_dependences): Make each insn in
 214         a SCHED_GROUP_P block explicitly depend on the previous insn.
 215
 216 Fri Sep 12 13:49:58 1997  Jason Merrill  <jason@yorick.cygnus.com>
 217
 218         * except.h: Prototype dwarf2 hooks.
 219         * expr.c: Adjust.
 220
 221 Thu Sep 11 17:43:55 1997  Jim Wilson  <wilson@cygnus.com>
 222
 223         * configure.in (native_prefix): Delete.
 224         (mips-dec-netbsd): Don't set prefix.
 225         (*linux*): Don't set prefix.
 226
 227 Thu Sep 11 15:48:32 1997  Fred Fish  <fnf@ninemoons.com>
 228
 229         * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
 230         defined.  If not defined, include <sys/varargs.h> if
 231         HAVE_SYS_VARARGS_H is defined.
 232         * configure.in: Test for varargs.h and sys/varargs.h.
 233         * configure: Regenerate with autoconf.
 234         * config.in: Regenerate with autoheader.
 235
 236         * cpplib.c (quote_string): Cast first arg of sprintf call
 237         from "unsigned char *" to "char *".
 238         (output_line_command): Ditto.
 239         (macroexpand): Ditto.
 240         (do_line): Cast atoi arg from "unsigned char *" to "char *".
 241
 242 Wed Sep 10 21:37:30 1997  Jeffrey A Law  (law@cygnus.com)
 243
 244         * version.c: Bump for snapshot.
 245
 246         * Makefile.in (compare): Exit with nonzero status if there
 247         are comparison failures.  Note which files failed the
 248         comparison test in .bad_compare.
 249
 250 Wed Sep 10 17:05:46 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
 251
 252         * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
 253
 254 Wed Sep 10 16:37:28 1997  Fred Fish  <fnf@ninemoons.com>
 255
 256         * Makefile.in (LN, LN_S): New macros, use where appropriate.
 257         * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
 258         * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
 259         * configure: Regenerated.
 260
 261 Thu Sep 11 11:09:43 1997  Jeffrey A Law  (law@cygnus.com)
 262
 263         * loop.c (strength_reduce): Fix typo.
 264
 265 Wed Sep 10 16:01:15 1997  Jim Wilson  <wilson@cygnus.com>
 266
 267         * m88k/m88k.c (struct option): Rename to struct options.
 268         * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
 269         * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
 270         * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
 271         __DOLPHIN__ or sysV88.
 272
 273 Wed Sep 10 14:58:40 1997  Jim Wilson  <wilson@cygnus.com>
 274
 275         * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
 276         create new subreg.
 277
 278 Wed Sep 10 15:19:22 1997  Jeffrey A Law  (law@cygnus.com)
 279
 280         * config.sub: Accept 'amigados' for backward compatability.
 281
 282 Wed Sep 10 14:05:08 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
 283
 284         * Makefile.in (testsuite/site.exp): New target.
 285         (check-gcc, check-g++): Depend on testsuite/site.exp.
 286         Don't stop for failure.
 287
 288 Wed Sep 10 12:59:57 1997  Jason Merrill  <jason@yorick.cygnus.com>
 289
 290         * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
 291         if DWARF2_UNWIND_INFO.
 292
 293 Wed Sep 10 11:49:20 1997  Jason Merrill  <jason@yorick.cygnus.com>
 294
 295         Add support for exception handling using DWARF 2 frame unwind info.
 296         Currently works on SPARC and MIPS, and almost on x86.
 297
 298         * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
 299         next_stack_level, in_reg_window): Helper fns.
 300         (__throw): Implement for DWARF2_UNWIND_INFO.
 301
 302         * expr.c (expand_builtin): Handle builtins used by __throw.
 303         * tree.h (enum built_in_function): Add builtins used by __throw.
 304         * c-decl.c (init_decl_processing): Declare builtins used by __throw.
 305         * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
 306         * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
 307         (expand_builtin_extract_return_addr): Likewise.
 308         (expand_builtin_frob_return_addr): Likewise.
 309         (expand_builtin_set_return_addr_reg): Likewise.
 310         (expand_builtin_eh_stub): Likewise.
 311         (expand_builtin_set_eh_regs): Likewise.
 312         (eh_regs): Choose two call-clobbered registers for passing back values.
 313
 314         * frame.c, frame.h: New files for parsing dwarf 2 frame info.
 315         * Makefile.in (LIB2ADD): New variable.  Add $(srcdir)/frame.c.
 316         (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
 317         (stmp-multilib): Likewise.
 318         ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
 319
 320         * except.c: #include "defaults.h".
 321         (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
 322         (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
 323         (register_exception_table_p): New fn.
 324         (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
 325         (end_eh_unwinder): Likewise.
 326
 327         * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
 328         call __register_frame and __deregister_frame as needed.
 329         * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
 330         * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro.  Check
 331         EH_FRAME_SECTION_ASM_OP.
 332         * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
 333         * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
 334         (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
 335
 336         * dwarf2out.c (output_call_frame_info): If no support for
 337         EXCEPTION_SECTION, mark the start of the frame info with a
 338         collectable tag.
 339         * collect2.c (frame_tables): New list.
 340         (is_ctor_dtor): Recognise frame entries.
 341         (scan_prog_file): Likewise.
 342         (main): Pass -fno-exceptions to sub-compile.  Also do collection
 343         if there are any frame entries.
 344         (write_c_file_stat): Call __register_frame_table and
 345         __deregister_frame as needed.
 346         (write_c_file_glob): Likewise.
 347
 348         * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
 349         Also require unaligned reloc support.
 350         * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
 351         UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
 352         * sparc/sysv4.h: Not here.
 353
 354         * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
 355         * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
 356         (dwarf2out_finish): Don't call dwarf2out_frame_finish.
 357
 358         * libgcc2.c (L_eh): Reorganize, moving code shared by different
 359         EH implementations to the top.
 360         (find_exception_handler): Split out.  Start from 0.  Compare against
 361         end with >=.
 362         (__find_first_exception_table_match): Use it.
 363         * except.c (output_exception_table): Don't do anything if there's
 364         no table.  Don't output a first entry of zeroes.
 365         (eh_outer_context): Adjust properly.
 366         (add_eh_table_entry): Use xrealloc.
 367         * toplev.c (compile_file): Just call output_exception_table.
 368
 369 Wed Sep 10  11:30:36 1997  Jason Merrill  <jason@cygnus.com>
 370
 371         * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
 372
 373 Wed Sep 10 08:17:10 1997  Torbjorn Granlund  <tege@pdc.kth..se>
 374
 375         * except.c (eh_outer_context): Do masking using expand_and.
 376
 377 Wed Sep 10 01:38:30 1997  Doug Evans  <dje@cygnus.com>
 378
 379         Add port done awhile ago for the ARC cpu.
 380         * arc/arc.h: New file.
 381         * arc/arc.c: New file.
 382         * arc/arc.md: New file.
 383         * arc/initfini.c: New file.
 384         * arc/lib1funcs.asm: New file.
 385         * arc/t-arc: New file.
 386         * arc/xm-arc.h: New file.
 387         * ginclude/va-arc.h: New file.
 388         * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
 389         * ginclude/varargs.h: Likewise.
 390         * Makefile.in (USER_H): Add va-arc.h.
 391         * configure.in (arc-*-elf*): Recognize.
 392         * longlong.h: Add ARC support.
 393
 394 Wed Sep 10 01:32:54 1997  Jeffrey A Law  (law@cygnus.com)
 395
 396         * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
 397         when clearing non-BLKmode data.
 398
 399 Wed Sep 10 00:29:29 1997  Manfred Hollstein  <manfred@s-direktnet.de>
 400
 401         * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
 402         * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
 403
 404         * xm-m88k.h (USG): Only define if it hasn't already been defined.
 405
 406         * Makefile.in (risky-stage1): Delete gratutious whitespace.
 407
 408         * Makefile.in (clean): Delete libgcc1-test.
 409
 410         * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
 411
 412 Tue Sep  9 17:07:36 1997  Stan Cox  <coxs@dg-rtp.dg.com>
 413
 414         * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
 415         template.
 416
 417 Tue Sep  9 09:50:02 1997  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 418
 419         * dwarf2out.c (output_call_frame_info): Call named_section.
 420
 421 Tue Sep  9 09:12:17 1997  Jeffrey A Law  (law@cygnus.com)
 422
 423         * haifa-sched.c (print_value): Fix last change.
 424
 425 Tue Sep  9 01:30:37 1997  Jason Merrill  <jason@yorick.cygnus.com>
 426
 427         * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
 428         write_symbols.
 429
 430 Mon Sep  8 16:32:43 1997  Jason Merrill  <jason@yorick.cygnus.com>
 431
 432         * mips.c (function_prologue): Set up the CFA when ABI_32.
 433
 434         * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
 435         for dwarf2 unwind info.
 436         (output_function_prologue, sparc_flat_output_function_prologue): Same.
 437
 438         * final.c (final_end_function): Check dwarf2out_do_frame instead
 439         of DWARF2_DEBUG for dwarf2 unwind info.
 440         (final_scan_insn): Likewise.
 441         (final_start_function): Likewise.  Initialize dwarf2 frame debug here.
 442         (final): Not here.
 443
 444         * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
 445         count > 0.
 446
 447         * varasm.c (exception_section): Check EXCEPTION_SECTION first.
 448
 449 Mon Sep  8 15:15:11 1997  Nick Clifton  <nickc@cygnus.com>
 450
 451         * v850.h (ASM_SPEC): Pass on target processor.
 452         (CPP_PREDEFINES): Only define if not already specified.
 453         (TARGET_VERSION): Only define if not already specified.
 454         (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
 455         processor.
 456         (EXTRA_SWITCHES): Extra entries in the switches array.
 457         (TARGET_DEFAULT): Set default target processor.
 458
 459 Mon Sep  8 18:26:35 1997  Jim Wilson  <wilson@cygnus.com>
 460
 461         * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
 462         cases, add %# and %/, and add : to make them into extended asms.
 463
 464 Sun Sep  7 23:57:50 1997  Weiwen Liu  <liu@hepunix.physics.yale.edu>
 465
 466         * alias.c (init_alias_analysis): Clean up incompatible pointer
 467         type warning in bzero.
 468         * regmove.c (regmove_optimize): Ditto.
 469         * haifa-sched.c (find_rgns): Ditto.
 470
 471         * haifa-sched.c (print_value): Clean up ptr->int cast
 472         warnings.
 473
 474 Sun Sep  7 23:18:32 1997  Fred Fish  <fnf@ninemoons.com>
 475
 476         * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
 477         * install.texi (Configurations): Ditto.
 478         * config.sub: Ditto.
 479
 480 Sun Sep  7 22:56:56 1997  Weiwen Liu  (liu@hepvms.physics.yale.edu)
 481
 482         * Makefile.in (sdbout.o): Depend on insn-config.h.
 483
 484 Sun Sep  7 18:44:50 1997  Jim Wilson  <wilson@cygnus.com>
 485
 486         * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
 487         For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
 488
 489 Sun Sep  7 18:30:46 1997  Jason Merrill  <jason@yorick.cygnus.com>
 490
 491         * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
 492         prologue insn, only the first elt is significant.
 493         (output_call_frame_info): For exception handling, always use 4-byte
 494         fields as specified by the dwarf2 spec.
 495         Don't skip trivial FDEs.
 496
 497 Sun Sep  7 14:19:39 1997  Jeffrey A Law  (law@cygnus.com)
 498
 499         * version.c: Bump for snapshot.
 500
 501 Sun Sep  7 14:17:36 1997  Torbjorn Granlund  (tege@pdc.kth.se)
 502
 503         * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
 504         for negative constants.  Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
 505         when op1_is_pow2.
 506
 507 Sun Sep  7 13:46:46 1997  Jeffrey A Law  (law@cygnus.com)
 508
 509         * final.c (shorten_branches): During first pass, assume worst
 510         possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
 511
 512         * Makefile.in (distclean): Remove various things left around
 513         by running the testsuite.
 514
 515 Sun Sep  7 13:16:06 1997  Manfred Hollstein  <manfred@s-direktnet.de>
 516
 517         * configure.in (out_file): Emit definition to config.status in order
 518         to have a defined value for configure.lang.
 519         * configure: Re-built.
 520
 521 Sun Sep  7 09:59:08 1997  Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
 522
 523         * configure.in: Make symlink to as-new rather than as.new.  Similarly
 524         for ld-new.
 525         * configure: Rebuilt.
 526
 527 Fri Sep  5 16:54:55 1997  Jim Wilson  <wilson@cygnus.com>
 528
 529         * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
 530
 531 Fri Sep  5 16:16:44 1997  Christian Kuehnke  <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
 532
 533         * sparc/sparc.md: Add ultrasparc scheduling support.
 534         * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
 535
 536 Fri Sep  5 14:04:59 1997  Philippe De Muyter  <phdm@info.ucl.ac.be>
 537
 538         * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
 539         as initial value for real_label_map.
 540         (copy_for_inline): Likewise.
 541
 542 Fri Sep  5 13:36:44 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 543
 544         * sched.c (update_flow_info) When looking if to set found_split_dest
 545         or found_orig_dest, look at all parts of a PARALLEL.
 546         * haifa-sched.c (update_flow_info): Likewise.
 547
 548 Fri Sep  5 10:08:44 1997  Jeffrey A Law  (law@cygnus.com)
 549
 550         * v850: New directory for v850 port.
 551         * v850/lib1funcs.asm: New file.
 552         * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
 553         * ginclude/va-v850.h: New file.
 554         * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
 555         * configure.in (mn10200-*-*): New target.
 556         * configure: Rebuilt.
 557         * config.sub: Handle v850-elf.
 558         * Makefile.in (USER_H): Add va-mn10200.h.
 559         * invoke.texi: Document v850 stuff.
 560
 561 Fri Sep  5 09:37:50 1997  Jim Wilson  (wilson@cygnus.com)
 562
 563         * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
 564         has integer TYPE_{MAX,MIN}_VALUE before using them.
 565
 566         * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
 567         __HPUX_ASM__ versions.
 568
 569 Fri Sep  5 09:08:44 1997  Jeffrey A Law  (law@cygnus.com)
 570
 571         * install.sh: Delete duplicate install script.
 572
 573 Thu Sep  4 23:14:27 1997  Stan Cox  (coxs@dg-rtp.dg.com)
 574
 575         * reg-stack.c (subst_stack_regs): Pop the stack register for a
 576         computed goto which sets the same stack register.
 577
 578         * reg-stack.c (compare_for_stack_reg): Swap only if the source and
 579         destination are both on the regstack.
 580         (subst_stack_regs_pat): Put the destination at the top of the regstack.
 581
 582 Thu Sep  4 15:02:27 1997  Jim Wilson  <wilson@cygnus.com>
 583
 584         * mips.md (nonlocal_goto_receiver): Define.
 585
 586         * profile.c (output_arc_profiler): Check next_insert_after for non
 587         NULL before deferencing it.
 588
 589         * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
 590
 591 Thu Sep  4 14:51:57 1997  Jeffrey A Law  (law@cygnus.com)
 592
 593         * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
 594
 595 Thu Sep  4 15:01:49 1997  Michael Meissner  <meissner@cygnus.com>
 596
 597         * toplev.c (rest_of_compilation): For passes starting with
 598         flow_analysis, use print_rtl_with_bb instead of print_rtl.
 599
 600         * print-rtl.c (print_rtl_single): Print a single rtl value to a
 601         file.
 602
 603         * flow.c (print_rtl_with_bb): Print which insns start and end
 604         basic blocks.  For the start of a basic block, also print the live
 605         information.
 606
 607 Thu Sep  4 11:51:43 1997  Jim Wilson  <wilson@cygnus.com>
 608
 609         * toplev.c (main): Change #elif to #else/#ifdef
 610
 611         * tlink.c: Include ctype.h.
 612         * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
 613
 614 Thu Sep  4 11:17:16 1997  Mikeael Meissner  (meissner@cygnus.com)
 615
 616         * bitmap.c: Conditionally include stdlib.h.
 617         (free): Provide a declaration if NEED_DECLARATION_FREE.
 618
 619 Thu Sep  4 09:58:53 1997  Joel Sherrill  (joel@OARcorp.com)
 620
 621         * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
 622
 623 Thu Sep  4 09:53:20 1997  Jim Wilson  (wilson@cygnus.com)
 624
 625         * profile.c (output_arc_profiler): Verify next_insert_after is an
 626         INSN before and after skipping a stack pop.
 627
 628 Thu Sep  4 07:39:19 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 629
 630         * final.c (shorten_branches): Don't count the lengths of deleted
 631         instructions.
 632
 633 Thu Sep  4 09:43:01 1997  Jeffrey A Law  (law@cygnus.com)
 634
 635         * version.c: Bump for snapshot.
 636
 637 Thu Sep  4 11:04:21 1997  Michael Meissner  <meissner@cygnus.com>
 638
 639         * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
 640         two bitmaps ANDed together.
 641         (bitmap_print): Declare.
 642
 643         * bitmap.c (function_obstack): Don't declare any more.
 644         (bitmap_obstack): Obstack for allocating links from.
 645         (bitmap_obstack_init): New static to say whether to initialize
 646         bitmap_obstack.
 647         (bitmap_element_allocate): Use bitmap_obstack to allocate from.
 648         (bitmap_release_memory): Free all memory allocated from
 649         bitmap_obstack.
 650
 651         * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
 652         EXECUTE_IF_AND_IN_BITMAP.
 653
 654 Wed Sep  3 10:39:42 1997  Jim Wilson  <wilson@cygnus.com>
 655
 656         * alias.c (true_dependence): Address with AND can alias scalars.
 657         (anti_dependence, output_dependence): Likewise.
 658
 659         * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
 660
 661 Wed Sep  3 09:28:50 CDT 1997  Joel Sherrill (joel@OARcorp.com)
 662
 663         * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
 664           mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
 665           sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
 666           definitions.  Use -qrtems instead of -mrtems.
 667
 668 Wed Sep  3 09:05:41 1997  Robert Lipe  (robert@dgii.com)
 669
 670         * xm-sco5.h (sys_siglist): Define.
 671         (SYS_SIGLIST_DECLARED): Likewise.
 672
 673 Tue Sep  2 23:33:33 1997  Jeffrey A Law  (law@cygnus.com)
 674
 675         * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
 676
 677 Wed Sep  3 02:09:30 1997  Torbjorn Granlund  <tege@pdc.kth..se>
 678
 679         * except.c (eh_outer_context): Expand masking operation using
 680         expand_binop.
 681
 682 Tue Sep  2 18:09:39 1997  Jim Wilson  <wilson@cygnus.com>
 683
 684         * alpha.md (floatdisf2-1): New pattern.
 685
 686 Tue Sep  2 18:41:55 1997  Jeffrey A Law  (law@cygnus.com)
 687
 688         * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
 689         * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
 690         * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
 691         * gcc.texi: Note that if you define sys_siglist that you should
 692         also define SYS_SIGLIST_DECLARED.
 693
 694         * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
 695         are relative to the next instruction, not the current instruction.
 696
 697 Tue Sep  2 14:22:43 1997  Jim Wilson  <wilson@cygnus.com>
 698
 699         * local-alloc.c (contains_replace_regs): New function.
 700         (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
 701         verify that there is no existing REG_EQUIV note, and add a call to
 702         contains_place_regs.
 703
 704 Tue Sep  2 12:48:11 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
 705
 706         * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
 707         (STARTFILE_SPEC): Always use crtbegin.o%s
 708         (ENDFILE_SPEC): Always use crtend.o%s.
 709
 710 Tue Sep  2 12:00:36 1997  Jim Wilson  <wilson@cygnus.com>
 711
 712         * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
 713         is passed in.
 714         * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
 715         SFmode for 64 bit hosts.
 716
 717 Tue Sep  2 13:42:38 1997  Paul N. Hilfinger  <hilfingr@CS.Berkeley.EDU>
 718
 719         * fixincludes: Permits spaces between # and define.  Discard C++
 720         comments in sys/pci.h on HP/UX 10.20.
 721
 722 Mon Sep  1 22:13:18 1997  Jeffrey A Law  (law@cygnus.com)
 723
 724         * version.c: Bump for snapshot.
 725
 726         * pa.c (restore_unscaled_index_insn_codes): New function.
 727         (record_unscaled_index_insn_codes): Likewise.
 728         (output_function_prologue): Call restore_unscaled_index_insn_codes.
 729         (output_function_epilogue): Free memory for unscaled_index_insn_codes.
 730         (pa_reorg): Call record_unscaled_index_insn_codes.
 731
 732         * haifa-sched.c (move_insn): Handle notes correctly for insns
 733         with SCHED_GROUP_P set.
 734
 735 Mon Sep  1 16:58:57 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
 736
 737         * alpha/xm-linux.h (USE_BFD): Undef before define.
 738
 739 Mon Sep  1 16:25:34 1997  Jim Wilson  <wilson@cygnus.com>
 740
 741         * cse.c (cse_insn): Don't record BLKmode values.
 742
 743 Mon Sep  1 11:25:47 1997  Stephen Williams  (steve@icarus.icarus.com)
 744
 745         * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
 746
 747 Mon Sep  1 08:29:46 1997  Jeffrey A Law  (law@cygnus.com)
 748
 749         * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
 750         * collect2.c (sys_errlist): Likewise.
 751         * cpplib.c (sys_errlist): Likewise.
 752         * gcc.c (sys_errlist): Likewise.
 753         * protoize (sys_errlist): Likewise.
 754         * configure.in: Check for strerror.
 755         * xm-freebsd.h (HAVE_STRERROR): Remove definition.
 756         * xm-gnu.h (HAVE_STRERROR): Likewise.
 757         * xm-linux.h (HAVE_STRERROR): Likewise.
 758         * xm-netbsd.h (HAVE_STRERROR): Likewise.
 759         * xm-bsd386.h (HAVE_STRERROR): Likewise.
 760         * xm-cygwin32.h (HAVE_STRERROR): Likewise.
 761         * xm-dos.h (HAVE_STRERROR): Likewise.
 762         * xm-mingw32.h (HAVE_STRERROR): Likewise.
 763         * xm-pa.h (HAVE_STRERROR): Likewise.
 764         * xm-papro.h (HAVE_STRERROR): Likewise.
 765         * xm-sysv4.h (HAVE_STRERROR): Likewise.
 766         * configure, config.in: Rebuilt.
 767
 768         * Makefile.in: Add several missing "else true" clauses.
 769
 770         * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
 771         * mips-tfile.c: Likewise.
 772         * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
 773         * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
 774         * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
 775         * configure.in: Check for sys_siglist declaration.
 776         * configure, config.in: Rebuilt.
 777
 778 Mon Sep  1 08:04:07 1997  Joel Sherrill (joel@OARcorp.com)
 779
 780         * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
 781         m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
 782         sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
 783         * i960/i960.h: Added SUBTARGET_SWITCHES macro.
 784         * rs6000/sysv4.h (extra_subtarget_switches): Added new
 785         macro EXTRA_SUBTARGET_SWITCHES.
 786         * configure.in (sh*-*-rtems*): New target.
 787         * sh/rtems.h: New file.
 788         * sh/sh.h: Added SUBTARGET_SWITCHES macro.
 789         * configure: Rebuilt.
 790
 791 Sat Aug 30 22:54:26 1997  Jim Wilson  <wilson@cygnus.com>
 792
 793         * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
 794
 795 Sat Aug 30 10:49:46 1997  David Edelsohn  <edelsohn@mhpcc.edu>
 796
 797         * rs6000.md: Make DF fused-add operations pay attention to
 798         -mno-fused-add.
 799
 800 Fri Aug 29 19:19:54 1997  Jim Wilson  <wilson@cygnus.com>
 801
 802         * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
 803
 804 Fri Aug 29 16:13:51 1997  Jeffrey A Law  (law@cygnus.com)
 805
 806         * pa.md (reload_peepholes): Make sure operand is a REG before
 807         examining REGNO.  Allow general registers too.
 808
 809 Fri Aug 29 11:42:04 1997  Jim Wilson  <wilson@cygnus.com>
 810
 811         * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
 812
 813 Fri Aug 29 09:33:20 1997  Philipp Thomas  (kthomas@lxi165.gwdg.de)
 814
 815         * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
 816         to reallocate abbrev_die_table.
 817
 818 Thu Aug 28 15:14:46 1997  Jim Wilson  <wilson@cygnus.com>
 819
 820         * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
 821
 822 1997-08-27  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 823
 824         * Makefile.in (config.status): Depend on version.c
 825
 826         * expr.h (insn_gen_function): Reenable prototype.
 827
 828         * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
 829         first parameter.
 830
 831 Thu Aug 28 13:01:43 1997  Jim Wilson  <wilson@cygnus.com>
 832
 833         * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
 834
 835 Thu Aug 28 07:03:15 1997  Jeffrey A Law  (law@cygnus.com)
 836
 837         * version.c: Bump for latest snapshot.
 838
 839         * bc-optab.c: Conditionally include stdlib.h.
 840         (free): Provide a declaration if NEED_DECLARATION_FREE.
 841         * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
 842         * rtl.h (free): Remove declaration.
 843         * tree.h (free): Remvoe declaration.
 844
 845         * configure: Rebuilt.
 846
 847 Wed Aug 27 21:32:20 1997  Jeffrey A Law  (law@cygnus.com)
 848
 849         * flags.h (flag_move_all_movables): Declare.
 850         (flag_reduce_all_givs): Likewise.
 851         * loop.c (move_movables): Handle flag_move_all_movables.
 852         (strength_reduce): Handle flag_reduce_all_givs.
 853         * toplev.c (flag_move_all_movables): Define.
 854         (flag_reduce_all_givs): Likewise.
 855         (f_options): Add -fmove-all-movables and -freduce-all-givs.
 856         * invoke.texi: Document new options, including alias stuff that
 857         wasn't included last time.
 858
 859 Wed Aug 27 18:08:51 1997  Bob Manson  (manson@cygnus.com)
 860
 861         * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
 862         * t-mn10200: Ditto.
 863         * t-vxsparc: Ditto.
 864         * t-vxworks68: Ditto.
 865         * t-vxworks960: Ditto.
 866         * t-vx29k: Ditto.
 867
 868 Wed Aug 27 16:35:29 1997  Richard Henderson  <rth@cygnus.com>
 869
 870         * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
 871         if not already defined, and USE_C_ALLOCA not defined.
 872
 873 Wed Aug 27 16:08:43 1997  Jim Wilson  <wilson@cygnus.com>
 874
 875         * config.guess: Replace with script that uses ../config.guess.
 876
 877         * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
 878         if USE_GNULIBC_1 is not defined.
 879
 880 Wed Aug 27 15:49:12 1997  Richard Henderson  <rth@cygnus.com>
 881
 882         * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
 883         * config.guess: Recognize alpha-linux-gnulibc1.
 884         * configure.in (alpha-*-linux-gnulibc1): New target.
 885         (alpha-*-linux-gnu*): Don't build crtbegin/end.
 886
 887 Wed Aug 27 11:52:58 1997  Jim Wilson  <wilson@cygnus.com>
 888
 889         * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
 890         last change.
 891
 892 Wed Aug 27 01:56:18 1997  Doug Evans  <dje@seba.cygnus.com>
 893
 894         * loop.c (combine_movables): Earlier insns don't match later ones.
 895
 896 Wed Aug 27 01:24:25 1997  H.J. Lu   (hjl@gnu.ai.mit.edu)
 897
 898         * config/linux.h (CC1_SPEC): Define it only if not defined.
 899
 900         * config/m68k/linux.h (CC1_SPEC): Undefine it before include
 901         <linux.h>
 902
 903         * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
 904         USE_GNULIBC_1 is not defined.
 905
 906         * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New.  Defined as 1.
 907
 908         * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
 909         as 1 if USE_GNULIBC_1 is not defined.
 910
 911 Wed Aug 27 00:49:14 1997  Jeffrey A Law  (law@cygnus.com)
 912
 913         * reorg.c (dbr_schedule): Allow current_function_return_rtx
 914         to be something other than a REG.
 915         * function.c (expand_function_end): Fix current_function_return_rtx
 916         if it was a pseudo.
 917
 918         * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
 919         * x-netbsd: Likewise
 920         * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
 921         (INSTALL_HEADERS): Delete.
 922         * x-dguxbcs: Likewise.
 923         * x-hp3bsd44: Likewise
 924         * x-pa: Likewise.
 925
 926 Wed Aug 27 00:30:00 1997  Bernd Schmidt  <crux@pool.informatik.rwth-aachen.de>
 927
 928         * i386.md (pop): pop increments the stack pointer.
 929         (prologue_set_stack_ptr): New pattern.
 930         * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
 931         instead of subsi3.
 932
 933 Tue Aug 26 18:50:32 1997  Jim Wilson  <wilson@cygnus.com>
 934
 935         * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
 936         address where an offsettable address is required.
 937
 938 Tue Aug 26 17:54:56 1997  Michael P. Hayes  (michaelh@ongaonga.chch.cri.nz>
 939
 940         * loop.c (check_final_value): Don't miss a biv increment in a
 941         parallel.
 942
 943 Tue Aug 26 12:03:49 1997  Jim Wilson  (wilson@cygnus.com)
 944
 945         * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
 946         TYPE_DECL_IS_STUB instead of DECL_NAME.
 947
 948 Mon Aug 25 23:27:10 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
 949
 950         * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
 951
 952 Mon Aug 25 23:27:10 1997  Jim Meyering <meyering@eng.ascend.com>
 953
 954         * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
 955
 956 Mon Aug 25 13:12:24 1997  Jeffrey A Law  (law@cygnus.com)
 957
 958         * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
 959         (find_post_sched_live): Likewise.
 960
 961         * haifa-sched.c (schedule_block): Remove old code to get arguments
 962         from hard regs into pseudos early.
 963
 964 Mon Aug 25 08:55:00 1997  Jeffrey A Law  (law@cygnus.com)
 965
 966         * version.c: Bump for new snapshot.
 967
 968         * local-alloc.c (update_equiv_regs): All the target to reject
 969         promotion of some REG_EQUAL to REG_EQUIV notes.
 970         * pa.h (DONT_RECORD_EQUIVALENCE): Define.
 971
 972         * pa.c (secondary_reload_class): (mem (mem ... )) does not need
 973         secondary reloads.
 974
 975         * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
 976         store of the argument registers.
 977
 978 Mon Aug 25 08:39:02 1997  Craig Burley  (burley@gnu.ai.mit.edu)
 979
 980         * fold-const.c (multiple_of_p): New function.
 981         (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
 982
 983 Mon Aug 25 01:47:41 1997  Jeffrey A Law  (law@cygnus.com)
 984
 985         * expr.h (insn_gen_function): Temporarily remove prototype.
 986
 987 Sun Aug 24 17:22:21 1997  Jim Wilson  <wilson@cygnus.com>
 988
 989         * Makefile.in (install-info): Don't cd into srcdir.  Add srcdir to
 990         filenames.  Use sed to extract base filename for install.
 991
 992 Sat Aug 23 18:19:40 1997  John F. Carr  <jfc@mit.edu>
 993
 994         * unroll.c (find_splittable_givs): Only share if two givs have the
 995         same add and multiply values.
 996
 997 Sat Aug 23 14:36:27 1997  Jim Wilson  <wilson@cygnus.com>
 998
 999         * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
1000         * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
1001
1002 Sat Aug 23 00:18:22 1997  Jeffrey A Law  (law@cygnus.com)
1003
1004         * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
1005         around branch tables.
1006         * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
1007         and .end_brtab directives if TARGET_GAS.
1008
1009 Fri Aug 22 14:05:55 1997  Jim Wilson  <wilson@cygnus.com>
1010
1011         * alias.c (true_dependence): Pass x_addr not x to varies.
1012
1013         * acconfig.h (NEED_DECLARATION_CALLOC): Add.
1014         * configure.in: Add GCC_NEED_DECLARATION call for calloc.
1015         * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
1016         declarations.
1017         * config.in, configure: Regenerate.
1018
1019 Thu Aug 21 23:52:16 1997  John F. Carr  <jfc@mit.edu>
1020
1021         * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
1022         LO_SUM.
1023         (record_set): Handle LO_SUM like PLUS.
1024         (init_alias_analysis): When following chains of base addresses,
1025         do not stop on reaching a hard register.
1026
1027 Thu Aug 21 20:17:37 1997  Jeffrey A Law  (law@cygnus.com)
1028
1029         * version.c: Bump for new snapshot.
1030
1031 Thu Aug 21 17:28:00 1997  Jim Wilson  <wilson@cygnus.com>
1032
1033         * alpha.h (ARCH_ASM_FILE_START): Define.
1034         (ASM_FILE_START): Use ARCH_ASM_FILE_START.
1035         * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
1036
1037 Thu Aug 21 10:22:19 1997  Jeffrey A Law  (law@cygnus.com)
1038
1039         * Makefile.in (install-common): Put gcov comment at start of line.
1040
1041 Wed Aug 20 22:47:33 1997  Jeffrey A Law  (law@cygnus.com)
1042
1043         * alias.c (init_alias_analysis): When simplifying the reg_base_value
1044         array, simplify entries for hard registers too.
1045
1046 Wed Aug 20 12:35:47 1997  Dave Love  <d.love@dl.ac.uk>
1047
1048         * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
1049         list.
1050
1051 Wed Aug 20 11:58:33 1997  Jim Wilson  <wilson@cygnus.com>
1052
1053         * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
1054         block_stack before dereferencing it.
1055
1056 Wed Aug 20 11:57:11 1997  Michael Meissner  <meissner@cygnus.com>
1057
1058         * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
1059
1060 Tue Aug 19 17:10:56 1997  Jason Merrill  <jason@yorick.cygnus.com>
1061
1062         * cplus-dem.c: Add 'extern' to prepends_underscore.
1063
1064 Tue Aug 19 09:34:57 1997  Jeffrey A Law  (law@cygnus.com)
1065
1066         * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
1067         (get_issue_rate): Delete.
1068         * pa.h (ISSUE_RATE): Define.
1069
1070         * configure.in: Turn on haifa by default for the PA.
1071         * configure: Rebuilt.
1072         * pa.c (override_options): Accept -mschedule=7200 option.
1073         (pa_adjust_cost): No longer need to scale costs for newer
1074         processors.
1075         * pa.h (enum processor_type): Add PROCESSOR_7200.
1076         * pa.md: Revamp scheduling parameters to work better with
1077         haifa.  Add scheduling parameters for the 7200.
1078
1079         * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
1080         insns too.
1081         (schedule_block): When adjusting basic_block_{head,end}, account
1082         for movement of SCHED_GROUP_P insns too.
1083
1084         * haifa-sched.c (debug_dependencies): Fix thinko.
1085
1086         * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
1087         (site.exp, check, check-g++, check-gcc): New targets.
1088
1089         * haifa-sched.c: Make lots of variables static.
1090
1091 Tue Aug 19 07:18:34 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
1092
1093         * expr.h, real.h: Finish prototyping.
1094
1095 Mon Aug 18 21:49:02 1997  Jim Wilson  <wilson@cygnus.com>
1096
1097         * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
1098         reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
1099         * reload1.c: Undo bugfix from Aug 11.
1100
1101 Mon Aug 18 17:39:02 1997  Mike Meissner  <meissner@cygnus.com>
1102
1103         * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
1104         quotes around the name.
1105         * configure: Regenerate.
1106
1107 Mon Aug 18 13:46:47 1997  Jim Wilson  <wilson@cygnus.com>
1108
1109         * Makefile.in (stmp-multilib-sub): Fix typo in last change.
1110
1111 Thu Aug  7 10:33:13 1997  Manfred Hollstein  <manfred@s-direktnet.de>
1112
1113         * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
1114         to sub-makes to avoid building more passes than the user might have
1115         requested on the command line.
1116
1117 Sun Aug 17 15:42:17 1997  Dave Love  (d.love@dl.ac.uk)
1118
1119         * configure.in: Expurgate `broken_install' (install is
1120         autoconfed).
1121
1122         * configure.lang: Substitute autoconfed ${INSTALL} (not currently
1123         relevant).
1124
1125 Sat Aug 16 01:08:12 1997  Jeffrey A Law  (law@cygnus.com)
1126
1127         * loop.c (is_power_of_2, is_conditional_branch): Delete unused
1128         functions and declarations.
1129         (analyze_loop_iterations): Use condjump_p.
1130         (insert_bct): Likewise.  Use exact_log2.
1131
1132 Fri Aug 15 23:48:32 1997  Jeffrey A Law  (law@cygnus.com)
1133
1134         * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
1135         (schedule_region): Likewise.
1136         (schedule_insns): Likewise.
1137
1138         * PROJECTS: Update with Haifa stuff.
1139
1140 Fri Aug 15 12:49:56 1997  Jeffrey A Law  (law@cygnus.com)
1141
1142         * version.c: Change the version string to look like:
1143         egcs-2.90.00 970814 (gcc2-970802 experimental).
1144
1145         * loop.c (is_conditional_branch): Make definition match declaration.
1146
1147         * gcc.c: Take out experimental snapshot warning message.
1148
1149 Fri Aug 15 13:43:39 1997  Michael Meissner  <meissner@cygnus.com>
1150
1151         * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
1152         print out the names of the notes.  Print out the name of the insn
1153         that is not a note, and not an {,CALL_,JUMP_}INSN.
1154
1155 Wed Aug 13 17:32:38 1997  Jason Merrill  <jason@yorick.cygnus.com>
1156
1157         * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
1158         again for the slot after we give it RTL.
1159
1160 Wed Aug 13 01:03:37 1997  Doug Evans  <dje@canuck.cygnus.com>
1161
1162         * configure.in (haifa configury): Fix typo.
1163         * configure: Regenerate.
1164
1165 Tue Aug 12 10:20:36 1997  Jeffrey A Law  (law@cygnus.com)
1166
1167         * version.c: Bump version to "gcc-3.0.0 970802 experimental".
1168
1169         * gcc.info*: Rebuilt.
1170
1171         * COPYING.g77, README.g77: New files.
1172         * real.c (ereal_unto_float, ereal_unto_double): New functions.
1173         * real.h (ereal_unto_float, ereal_unto_double): Declare them.
1174         (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
1175
1176 Mon Aug 11 14:50:55 1997  Jeffrey A Law  (law@cygnus.com)
1177
1178         * Integrate Haifa instruction scheduler.
1179         * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS.  Prefix all references
1180         to sched with $(SCHED_CFLAGS.
1181         * configure.in: Handle --enable-haifa.
1182         * configure: Rebuilt.
1183         * flags.h: Add new flags for haifa instruction scheduler.
1184         * genattrtab.c (expand_units): For haifa, don't subtract one
1185         when computing blockage.
1186         * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
1187         (flag_schedule_speculative): Ditto.
1188         (flag_schedule_speculative_load): Ditto.
1189         (flag_schedule_speculative_load_dangerous): Ditto.
1190         (flag_schedule_reverse_before_reload): Ditto.
1191         (flag_schedule_reverse_after_reload): Ditto.
1192         (flag_branch_on_count_reg): Ditto.
1193         (f_options): Add Haifa switches.
1194         (main): Turn off some Haifa options if appropriate macro is
1195         defined.  Process Haifa switches.
1196         * unroll.c (iteration_info): No longer static, since Haifa
1197         scheduler uses it.
1198         (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
1199         * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
1200         * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
1201         * loop.h (loop_initial_value,loop_unroll_iter): New globals.
1202         * loop.c (loop_optimize): If HAIFA is defined, allocate additional
1203         storage for the Haifa scheduler.
1204         (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
1205         LABEL_NEXTREF.
1206         (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
1207         are defined, call analyze_loop_iterations and insert_bct to use
1208         countdown loops.
1209         (record_giv): Refine test for jumps out of loops if HAIFA is
1210         defined.
1211         (analyze_loop_iterations): New function to identify if we can use
1212         a countdown loop.
1213         (insert_bct): Insert countdown loop.
1214         (instrument_loop_bct): Low level code to insert countdown loop.
1215         (loop_number): Calculate UID of loop.
1216         (indirect_jump_in_function_p): Return true if an indirect jump is
1217         in the function.
1218         (is_power_of_2): Return true if value is a power of 2.
1219         (is_conditional_branch): Return true if insn is a conditional
1220         jump.
1221         (fix_bct_param): Process -fbct-{min,max}-N switches.
1222         (check_bct_param): Return true if loop should be instrumented.
1223         * loop.c (loop_initial_value,loop_unroll_iter): New globals.
1224         (loop_optimize): Initialize.
1225         (get_condition_for_loop): Ditto.
1226         * loop.c (strength_reduce): Inside of code that uses #ifdef
1227         HAVE_decrement_and_branch_on_count code, test it to make sure the
1228         condition is true.
1229         (instrument_loop_bct): Ditto.
1230         * haifa-sched.c: New file.
1231
1232
1233         * Integrate regmove pass.
1234         * Makefile.in (OBJS): Add regmove.o
1235         (regmove.o): Add dependencies.
1236         * flow.c (find_use_as_address): No longer static.
1237         * rtl.h (find_use_as_address): Declare.
1238         * toplev.c (regmove_dump, flag_regmove): Define.
1239         (f_options): Add -fregmove.
1240         (regmove_dump_file, regmove_time): Define.
1241         (fatal_insn): Close the regmove dump file.
1242         (compile_file): Initialize regmove_time; open/close the regmove dump
1243         file as needed.  Print regmove time as needed.
1244         (rest_of_compilation): Run regmove pass if requested, dump
1245         RTL after regmove if requested.
1246         (main): If -O2 or more, turn on regmove.  Handle dump switches.
1247         * regmove.c: New file.
1248
1249 Mon Aug 11 14:15:02 1997  Jeffrey A Law  (law@cygnus.com)
1250
1251         * Integrate tlink patch from jason@cygnus.com
1252         * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
1253         (process_command): Increment n_switches for them.  Don't discard
1254         their args.  Validate them.
1255         (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
1256         From Rohan Lenard.
1257         (process_command): Set include_prefixes from COMPILER_PATH.
1258         (main): Set COLLECT_GCC_OPTIONS sooner.
1259         * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
1260         * tlink.c, hash.c, hash.h: New files.
1261         * Makefile.in (USE_COLLECT2): Always use collect2.
1262         (collect2): Depend on and link in hash.o and tlink.o.
1263         (tlink.o, hash.o): Add dependencies.
1264
1265 Mon Aug 11 10:04:49 1997  Jeffrey A Law  (law@cygnus.com)
1266
1267         * Integrate alias analysis changes from jfc@mit.edu
1268         * Makefile.in (OBJS): Add alias.o
1269         (alias.o): Add dependencies.
1270         * alias.c: New file.
1271         * sched.c: Remove alias analysis code.  It lives in alias.c now.
1272         (sched_analyze_2): Add new arguments to true_dependence.
1273         (schedule_insns): Always call init_alias_analysis.
1274         * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
1275         mark return value from such functions as a pointer and keep track of
1276         them for alias analysis.  If a return value from a function is a
1277         pointer, mark it as such.
1278         * combine.c (distribute_notes): Handle REG_NOALIAS.
1279         * cse.c (struct write_data): Delete.  No longer needed.
1280         (invalidate): Don't call set_nonvarying_address_components anymore.
1281         Use true_dependence to decide if an entry should be removed from
1282         the hash table.
1283         (invalidate_memory): Remove WRITES argument, simplify appropriately.
1284         Fix all callers.
1285         (note_mem_written): Similarly for WRITE_PTR argument.
1286         (invalidate_from_clobbers): Similarly for W argument.
1287         (invalidate_for_call): Remove memory elements from the hash table.
1288         (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
1289         (cse_rtx_varies_p): New function.  Derived from old
1290         cse_rtx_addr_varies_p.
1291         (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
1292         Don't call note_mem_written anymore.  Stack pushes invalidate the stack
1293         pointer if PUSH_ROUNDING is defined.  No longer need to call
1294         cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
1295         (skipped_writes_memory): Remove variable.
1296         (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
1297         (invalidate_skipped_block): Simplify for new alias analysis code.
1298         (cse_set_around_loop): Likewise.
1299         (cse_main): Call init_alias_analysis.
1300         * flags.h (flag_alias_check, flag_argument_noalias): Declare.
1301         * toplev.c (flag_alias_check, flag_argument_noalias): Define.
1302         (f_options): Add new alias checking arguments.
1303         (main): Set flag_alias_check when optimizing.
1304         * local_alloc (validate_equiv_mem_from_store): Add new arguments
1305         to true_dependence.
1306         (memref_referenced_p): Likewise.
1307         * loop.c (NUM_STORES): Increase to 30.
1308         (prescan_loop): Only non-constant calls set unknown_address_altered.
1309         (invariant_p): Add new arguments to true_dependence.
1310         (record_giv): Initialize unrolled and shared fields.
1311         (emit_iv_add_mult): Call record_base_value as needed.
1312         * loop.h (struct induction): Add unrolled and shared fields.
1313         * unroll.c  (unroll_loop): Call record_base_value as needed.
1314         (copy_loop_body): Likewise.
1315         (final_biv_value): Likewise.
1316         (final_giv_value): Likewise.
1317         (find_splittable_regs): Likewise.  Only create one new pseudo
1318         if we have multiple address GIVs that were combined with the same
1319         dst_reg GIV.  Note when a new register is created due to unrolling.
1320         * rtl.c (reg_note_name): Add REG_NOALIAS.
1321         * rtl.h (enum reg_note): Similarly.
1322         (rtx_varies_p, may_trap_p, side_effects_p): Declare.
1323         (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
1324         (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
1325         (true_dependence, read_dependence, anti_dependence): Likewise.
1326         (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
1327         (mark_user_reg, mark_reg_pointer): Likewise.
1328
1329
1330         * Integrate reload bugfix from Wilon which enables the PA port
1331         to bootstrap again.
1332         * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
1333         OPERAND_ADDRESS when computing how many registers an insn needs.
1334         (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
1335         conflict.
1336         (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
1337         OPADDR_ADDR reload.
1338         (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
1339         in reload_reg_use_in_op_addr do not reach the end.
1340         do not reach the end.
1341         (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
1342         RELOAD_FOR_OPERAND_ADDRESS.
1343
1344 Sun Aug 10 12:00:20 1997  Jeffrey A Law  (law@cygnus.com)
1345
1346         * egcs project officially starts.
1347