sim/mips/ChangeLog

   1 Tue Oct 28 11:06:47 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   2
   3         * mips.igen: Add model filter field to records.
   4
   5 Mon Oct 27 17:53:59 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   6
   7         * Makefile.in (SIM_NO_CFLAGS): Define.  Define WITH_IGEN=0.
   8
   9         interp.c (sim_engine_run): Do not compile function sim_engine_run
  10         when WITH_IGEN == 1.
  11
  12         * configure.in (sim_igen_flags, sim_m16_flags): Set according to
  13         target architecture.
  14
  15         Makefile.in (tmp-igen, tmp-m16): Drop -F and -M options to
  16         igen. Replace with configuration variables sim_igen_flags /
  17         sim_m16_flags.
  18
  19         end-sanitize-v5900
  20         * r5900.igen: New file. Copy v5900 insns here.
  21         start-sanitize-r5900
  22         end-sanitize-v5400
  23         * vr5400.igen: New file.
  24         start-sanitize-vr5400
  25         * m16.igen: New file.  Copy mips16 insns here.
  26         * mips.igen: From here.
  27
  28 Mon Oct 27 13:53:59 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  29
  30         start-sanitize-vr5400
  31         * mips.igen: Tag all mipsIV instructions with vr5400 model.
  32
  33         * configure.in: Add mips64vr5400 target.
  34         * configure: Re-generate.
  35
  36         end-sanitize-vr5400
  37         * Makefile.in (SIM_NO_OBJ): Define, move SIM_M16_OBJ, SIM_IGEN_OBJ
  38         to top.
  39         (tmp-igen, tmp-m16): Pass -I srcdir to igen.
  40
  41 Sat Oct 25 16:51:40 1997  Gavin Koch  <gavin@cygnus.com>
  42
  43         * gencode.c (build_instruction): Follow sim_write's lead in using
  44         BigEndianMem instead of !ByteSwapMem.
  45
  46 Fri Oct 24 17:41:49 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  47
  48         * configure.in (sim_gen): Dependent on target, select type of
  49         generator.  Always select old style generator.
  50
  51         configure: Re-generate.
  52
  53         Makefile.in (tmp-igen, tmp-m16, clean-m16, clean-igen): New
  54         targets.
  55         (SIM_M16_CFLAGS, SIM_M16_ALL, SIM_M16_OBJ, BUILT_SRC_FROM_M16,
  56         SIM_IGEN_CFLAGS, SIM_IGEN_ALL, SIM_IGEN_OBJ, BUILT_SRC_FROM_IGEN,
  57         IGEN_TRACE, IGEN_INSN, IGEN_DC): Define
  58         (SIM_EXTRA_CFLAGS, SIM_EXTRA_ALL, SIM_OBJS): Add member
  59         SIM_@sim_gen@_*, set by autoconf.
  60
  61 Wed Oct 22 12:52:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  62
  63         * sim-main.h (NULLIFY_NEXT_INSTRUCTION, DELAY_SLOT): Define.
  64
  65         * interp.c (ColdReset): Remove #ifdef HASFPU, check
  66         CURRENT_FLOATING_POINT instead.
  67
  68         * interp.c (ifetch32): New function. Fetch 32 bit instruction.
  69         (address_translation): Raise exception InstructionFetch when
  70         translation fails and isINSTRUCTION.
  71
  72         * interp.c (sim_open, sim_write, sim_monitor, store_word,
  73         sim_engine_run): Change type of of vaddr and paddr to
  74         address_word.
  75         (address_translation, prefetch, load_memory, store_memory,
  76         cache_op): Change type of vAddr and pAddr to address_word.
  77
  78         * gencode.c (build_instruction): Change type of vaddr and paddr to
  79         address_word.
  80
  81 Mon Oct 20 15:29:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  82
  83         * sim-main.h (ALU64_END, ALU32_END): Use ALU*_OVERFLOW_RESULT
  84         macro to obtain result of ALU op.
  85
  86 Tue Oct 21 17:39:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  87
  88         * interp.c (sim_info): Call profile_print.
  89
  90 Mon Oct 20 13:31:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  91
  92         * Makefile.in (SIM_OBJS): Add sim-profile.o module.
  93
  94         * sim-main.h (WITH_PROFILE): Do not define, defined in
  95         common/sim-config.h.  Use sim-profile module.
  96         (simPROFILE): Delete defintion.
  97
  98         * interp.c (PROFILE): Delete definition.
  99         (mips_option_handler): Delete 'p', 'y' and 'x' profile options.
 100         (sim_close): Delete code writing profile histogram.
 101         (mips_set_profile, mips_set_profile_size, writeout16, writeout32):
 102         Delete.
 103         (sim_engine_run): Delete code profiling the PC.
 104
 105 Mon Oct 20 13:31:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 106
 107         * sim-main.h (SIGNEXTEND): Force type of result to unsigned_word.
 108
 109         * interp.c (sim_monitor): Make register pointers of type
 110         unsigned_word*.
 111
 112         * sim-main.h: Make registers of type unsigned_word not
 113         signed_word.
 114
 115 Thu Oct 16 10:31:39 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 116
 117 start-sanitize-r5900
 118         * sim-main.h (BYTES_IN_MMI_REGS, ..., SUB_REG_FETCH, ..., GPR_SB,
 119         ...): Move to sim-main.h
 120
 121 end-sanitize-r5900
 122         * interp.c (sync_operation): Rename from SyncOperation, make
 123         global, add SD argument.
 124         (prefetch): Rename from Prefetch, make global, add SD argument.
 125         (decode_coproc): Make global.
 126
 127         * sim-main.h (SyncOperation, DecodeCoproc, Pefetch): Define.
 128
 129         * gencode.c (build_instruction): Generate DecodeCoproc not
 130         decode_coproc calls.
 131
 132         * interp.c (SETFCC, GETFCC, PREVCOC1): Move to sim-main.h
 133         (SizeFGR): Move to sim-main.h
 134         (simHALTEX, simHALTIN, simTRACE, simPROFILE, simDELAYSLOT,
 135         simSIGINT, simJALDELAYSLOT): Move to sim-main.h
 136         (FP_FLAGS, FP_ENABLE, FP_CAUSE, IR, UF, OF, DZ, IO, UO): Move to
 137         sim-main.h.
 138         (FP_FS, FP_MASK_RM, FP_SH_RM, FP_RM_NEAREST, FP_RM_TOPINF,
 139         FP_RM_TOMINF, GETRM): Move to sim-main.h.
 140         (Uncached, CachedNoncoherent, CachedCoherent, Cached,
 141         isINSTRUCTION, ..., AccessLength_BYTE, ...): Move to sim-main.h.
 142         (UserMode, BigEndianMem, ByteSwapMem, ReverseEndian,
 143         BigEndianCPU, status_KSU_mask, ...). Moved to sim-main.h
 144
 145         * sim-main.h (ALU32_END, ALU64_END): Define. When overflow raise
 146         exception.
 147         (sim-alu.h): Include.
 148         (NULLIFY_NIA, NULL_CIA, CPU_CIA): Define.
 149         (sim_cia): Typedef to instruction_address.
 150
 151 Thu Oct 16 10:31:41 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 152
 153         * Makefile.in (interp.o): Rename generated file engine.c to
 154         oengine.c.
 155
 156         * interp.c: Update.
 157
 158 Thu Oct 16 10:31:40 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 159
 160         * gencode.c (build_instruction): Use FPR_STATE not fpr_state.
 161
 162 Thu Oct 16 10:31:39 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 163
 164         * gencode.c (build_instruction): For "FPSQRT", output correct
 165         number of arguments to Recip.
 166
 167 Tue Oct 14 17:38:18 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 168
 169         * Makefile.in (interp.o): Depends on sim-main.h
 170
 171         * interp.c (mips16_entry, ColdReset,dotrace): Add SD argument. Use GPR not registers.
 172
 173         * sim-main.h (sim_cpu): Add registers, register_widths, fpr_state,
 174         ipc, dspc, pending_*, hiaccess, loaccess, state, dsstate fields.
 175         (REGISTERS, REGISTER_WIDTHS, FPR_STATE, IPC, DSPC, PENDING_*,
 176         STATE, DSSTATE): Define
 177         (GPR, FGRIDX, ..): Define.
 178
 179         * interp.c (registers, register_widths, fpr_state, ipc, dspc,
 180         pending_*, hiaccess, loaccess, state, dsstate): Delete globals.
 181         (GPR, FGRIDX, ...): Delete macros.
 182
 183         * interp.c: Update names to match defines from sim-main.h
 184
 185 Tue Oct 14 15:11:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 186
 187         * interp.c (sim_monitor): Add SD argument.
 188         (sim_warning): Delete.  Replace calls with calls to
 189         sim_io_eprintf.
 190         (sim_error): Delete. Replace calls with sim_io_error.
 191         (open_trace, writeout32, writeout16, getnum): Add SD argument.
 192         (mips_set_profile): Rename from sim_set_profile. Add SD argument.
 193         (mips_set_profile_size): Rename from sim_set_profile_size. Add SD
 194         argument.
 195         (mips_size): Rename from sim_size. Add SD argument.
 196
 197         * interp.c (simulator): Delete global variable.
 198         (callback): Delete global variable.
 199         (mips_option_handler, sim_open, sim_write, sim_read,
 200         sim_store_register, sim_fetch_register, sim_info, sim_do_command,
 201         sim_size,sim_monitor): Use sim_io_* not callback->*.
 202         (sim_open): ZALLOC simulator struct.
 203         (PROFILE): Do not define.
 204
 205 Tue Oct 14 13:35:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 206
 207         * interp.c (sim_open), support.h: Replace CHECKSIM macro found in
 208         support.h with corresponding code.
 209
 210         * sim-main.h (word64, uword64), support.h: Move definition to
 211         sim-main.h.
 212         (WORD64LO, WORD64HI, SET64LO, SET64HI, WORD64, UWORD64): Ditto.
 213
 214         * support.h: Delete
 215         * Makefile.in: Update dependencies
 216         * interp.c: Do not include.
 217
 218 Tue Oct 14 13:35:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 219
 220         * interp.c (address_translation, load_memory, store_memory,
 221         cache_op): Rename to from AddressTranslation et.al., make global,
 222         add SD argument
 223
 224         * sim-main.h (AddressTranslation, LoadMemory, StoreMemory,
 225         CacheOp): Define.
 226
 227         * interp.c (SignalException): Rename to signal_exception, make
 228         global.
 229
 230         * interp.c (Interrupt, ...): Move definitions to sim-main.h.
 231
 232         * sim-main.h (SignalException, SignalExceptionInterrupt,
 233         SignalExceptionInstructionFetch, SignalExceptionAddressStore,
 234         SignalExceptionAddressLoad, SignalExceptionSimulatorFault,
 235         SignalExceptionIntegerOverflow, SignalExceptionCoProcessorUnusable):
 236         Define.
 237
 238         * interp.c, support.h: Use.
 239
 240 Tue Oct 14 13:19:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 241
 242         * interp.c (ValueFPR, StoreFPR), sim-main.h: Make global, rename
 243         to value_fpr / store_fpr. Add SD argument.
 244         (NaN, Infinity, Less, Equal, AbsoluteValue, Negate, Add, Sub,
 245         Multiply, Divide, Recip, SquareRoot, Convert): Make global.
 246
 247         * sim-main.h (ValueFPR, StoreFPR): Define.
 248
 249 Tue Oct 14 13:06:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 250
 251         * interp.c (sim_engine_run): Check consistency between configure
 252         WITH_TARGET_WORD_BITSIZE and WITH_FLOATING_POINT and gensim GPRLEN
 253         and HASFPU.
 254
 255         * configure.in (mips_bitsize): Configure WITH_TARGET_WORD_BITSIZE.
 256         (mips_fpu): Configure WITH_FLOATING_POINT.
 257         (mips_endian): Configure WITH_TARGET_ENDIAN.
 258         * configure: Update.
 259
 260 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 261
 262         * configure: Regenerated to track ../common/aclocal.m4 changes.
 263
 264 start-sanitize-r5900
 265 Mon Aug 25 19:11:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 266
 267         * interp.c (MAX_REG): Allow up-to 128 registers.
 268         (LO1, HI1): Define value that matches REGISTER_NAMES in gdb.
 269         (REGISTER_SA): Ditto.
 270         (sim_open): Initialize register_widths for r5900 specific
 271         registers.
 272         (sim_fetch_register, sim_store_register): Check for request of
 273         r5900 specific SA register.  Check for request for hi 64 bits of
 274         r5900 specific registers.
 275
 276 end-sanitize-r5900
 277 Mon Sep 29 14:45:00 1997  Bob Manson  <manson@charmed.cygnus.com>
 278
 279         * configure: Regenerated.
 280
 281 Fri Sep 26 12:48:18 1997  Mark Alexander  <marka@cygnus.com>
 282
 283         * interp.c: Allow Debug, DEPC, and EPC registers to be examined in GDB.
 284
 285 Thu Sep 25 11:15:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 286
 287         * gencode.c (print_igen_insn_models): Assume certain architectures
 288         include all mips* instructions.
 289         (print_igen_insn_format): Use data_size==-1 as marker for MIPS16
 290         instruction.
 291
 292         * Makefile.in (tmp.igen): Add target. Generate igen input from
 293         gencode file.
 294
 295         * gencode.c (FEATURE_IGEN): Define.
 296         (main): Add --igen option.  Generate output in igen format.
 297         (process_instructions): Format output according to igen option.
 298         (print_igen_insn_format): New function.
 299         (print_igen_insn_models): New function.
 300         (process_instructions): Only issue warnings and ignore
 301         instructions when no FEATURE_IGEN.
 302
 303 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 304
 305         * interp.c (COP_SD, COP_LD): Add UNUSED to pacify GCC for some
 306         MIPS targets.
 307
 308 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 309
 310         * configure: Regenerated to track ../common/aclocal.m4 changes.
 311
 312 Tue Sep 23 10:19:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 313
 314         * Makefile.in (SIM_ALIGNMENT, SIM_ENDIAN, SIM_HOSTENDIAN,
 315         SIM_RESERVED_BITS): Delete, moved to common.
 316         (SIM_EXTRA_CFLAGS): Update.
 317
 318 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 319
 320         * configure.in: Configure non-strict memory alignment.
 321         * configure: Regenerated to track ../common/aclocal.m4 changes.
 322
 323 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 324
 325         * configure: Regenerated to track ../common/aclocal.m4 changes.
 326
 327 Sat Sep 20 14:07:28 1997  Gavin Koch  <gavin@cygnus.com>
 328
 329         * gencode.c (SDBBP,DERET): Added (3900) insns.
 330         (RFE): Turn on for 3900.
 331         * interp.c (DebugBreakPoint,DEPC,Debug,Debug_*): Added.
 332         (dsstate): Made global.
 333         (SUBTARGET_R3900): Added.
 334         (CANCELDELAYSLOT): New.
 335         (SignalException): Ignore SystemCall rather than ignore and
 336         terminate.  Add DebugBreakPoint handling.
 337         (decode_coproc): New insns RFE, DERET; and new registers Debug
 338         and DEPC protected by SUBTARGET_R3900.
 339         (sim_engine_run): Use CANCELDELAYSLOT rather than clearing
 340         bits explicitly.
 341         * Makefile.in,configure.in: Add mips subtarget option.
 342         * configure: Update.
 343
 344 Fri Sep 19 09:33:27 1997  Gavin Koch  <gavin@cygnus.com>
 345
 346         * gencode.c: Add r3900 (tx39).
 347
 348 start-sanitize-tx19
 349         * gencode.c: Fix some configuration problems by improving
 350         the relationship between tx19 and tx39.
 351 end-sanitize-tx19
 352
 353 Tue Sep 16 15:52:04 1997  Gavin Koch  <gavin@cygnus.com>
 354
 355         * gencode.c (build_instruction): Don't need to subtract 4 for
 356         JALR, just 2.
 357
 358 Tue Sep 16 11:32:28 1997  Gavin Koch  <gavin@cygnus.com>
 359
 360         * interp.c: Correct some HASFPU problems.
 361
 362 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 363
 364         * configure: Regenerated to track ../common/aclocal.m4 changes.
 365
 366 Fri Sep 12 12:01:39 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 367
 368         * interp.c (mips_options): Fix samples option short form, should
 369         be `x'.
 370
 371 Thu Sep 11 09:35:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 372
 373         * interp.c (sim_info): Enable info code.  Was just returning.
 374
 375 Tue Sep  9 17:30:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 376
 377         * interp.c (decode_coproc): Clarify warning about unsuported MTC0,
 378         MFC0.
 379
 380 Tue Sep  9 16:28:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 381
 382         * gencode.c (build_instruction): Use SIGNED64 for 64 bit
 383         constants.
 384         (build_instruction): Ditto for LL.
 385
 386 start-sanitize-tx19
 387 Sun Sep  7 16:05:46 1997  Gavin Koch  <gavin@cygnus.com>
 388
 389         * mips/configure.in, mips/gencode: Add tx19/r1900.
 390
 391 end-sanitize-tx19
 392 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 393
 394         * configure: Regenerated to track ../common/aclocal.m4 changes.
 395
 396 start-sanitize-r5900
 397 Mon Sep  1 18:43:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 398
 399         * gencode.c (build_instruction): For "pabsw" and "pabsh", check
 400         for overflow due to ABS of MININT, set result to MAXINT.
 401         (build_instruction): For "psrlvw", signextend bit 31.
 402
 403 end-sanitize-r5900
 404 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 405
 406         * configure: Regenerated to track ../common/aclocal.m4 changes.
 407         * config.in: Ditto.
 408
 409 Wed Aug 27 14:12:27 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 410
 411         * interp.c (sim_open): Add call to sim_analyze_program, update
 412         call to sim_config.
 413
 414 Tue Aug 26 10:40:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 415
 416         * interp.c (sim_kill): Delete.
 417         (sim_create_inferior): Add ABFD argument. Set PC from same.
 418         (sim_load): Move code initializing trap handlers from here.
 419         (sim_open): To here.
 420         (sim_load): Delete, use sim-hload.c.
 421
 422         * Makefile.in (SIM_OBJS): Add sim-hload.o module.
 423
 424 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 425
 426         * configure: Regenerated to track ../common/aclocal.m4 changes.
 427         * config.in: Ditto.
 428
 429 Mon Aug 25 15:59:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 430
 431         * interp.c (sim_open): Add ABFD argument.
 432         (sim_load): Move call to sim_config from here.
 433         (sim_open): To here.  Check return status.
 434
 435 start-sanitize-r5900
 436         * gencode.c (build_instruction): Do not define x8000000000000000,
 437         x7FFFFFFFFFFFFFFF, or xFFFFFFFF80000000.
 438
 439 end-sanitize-r5900
 440 start-sanitize-r5900
 441 Mon Jul 28 19:49:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 442
 443         * gencode.c (build_instruction): For "pdivw", "pdivbw" and
 444         "pdivuw" check for overflow due to signed divide by -1.
 445
 446 end-sanitize-r5900
 447 Fri Jul 25 15:00:45 1997  Gavin Koch  <gavin@cygnus.com>
 448
 449         * gencode.c (build_instruction): Two arg MADD should
 450         not assign result to $0.
 451
 452 start-sanitize-r5900
 453 Thu Jul 10 11:58:48 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 454
 455         * gencode.c (build_instruction): For "ppac5" use unsigned
 456         arrithmetic so that the sign bit doesn't smear when right shifted.
 457         (build_instruction): For "pdiv" perform sign extension when
 458         storing results in HI and LO.
 459         (build_instructions): For "pdiv" and "pdivbw" check for
 460         divide-by-zero.
 461         (build_instruction): For "pmfhl.slw" update hi part of dest
 462         register as well as low part.
 463         (build_instruction): For "pmfhl" portably handle long long values.
 464         (build_instruction): For "pmfhl.sh" correctly negative values.
 465         Store half words 2 and three in the correct place.
 466         (build_instruction): For "psllvw", sign extend value after shift.
 467
 468 end-sanitize-r5900
 469 Thu Jun 26 12:13:17 1997  Angela Marie Thomas (angela@cygnus.com)
 470
 471         * sim/mips/configure: Change default_sim_endian to 0 (bi-endian)
 472         * sim/mips/configure.in: Regenerate.
 473
 474 Wed Jul  9 10:29:21 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 475
 476         * interp.c (SUB_REG_UW, SUB_REG_SW, SUB_REG_*): Use more explicit
 477         signed8, unsigned8 et.al. types.
 478
 479 start-sanitize-r5900
 480         * gencode.c (build_instruction): For PMULTU* do not sign extend
 481         registers.  Make generated code easier to debug.
 482
 483 end-sanitize-r5900
 484         * interp.c (SUB_REG_FETCH): Handle both little and big endian
 485         hosts when selecting subreg.
 486
 487 start-sanitize-r5900
 488 Tue Jul  8 18:07:20 1997  Andrew Cagney  <cagney@andros.cygnus.com>
 489
 490         * gencode.c (type_for_data_len): For 32bit operations concerned
 491         with overflow, perform op using 64bits.
 492         (build_instruction): For PADD, always compute operation using type
 493         returned by type_for_data_len.
 494         (build_instruction): For PSUBU, when overflow, saturate to zero as
 495         actually underflow.
 496
 497 end-sanitize-r5900
 498 Wed Jul  2 11:54:10 1997  Jeffrey A Law  (law@cygnus.com)
 499
 500 start-sanitize-r5900
 501         * gencode.c (build_instruction): Handle "pext5" according to
 502         version 1.95 of the r5900 ISA.
 503
 504         * gencode.c (build_instruction): Handle "ppac5" according to
 505         version 1.95 of the r5900 ISA.
 506
 507 end-sanitize-r5900
 508         * interp.c (sim_engine_run): Reset the ZERO register to zero
 509         regardless of FEATURE_WARN_ZERO.
 510         * gencode.c (FEATURE_WARNINGS): Remove FEATURE_WARN_ZERO.
 511
 512 Wed Jun  4 10:43:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 513
 514         * interp.c (decode_coproc): Implement MTC0 N, CAUSE.
 515         (SignalException): For BreakPoints ignore any mode bits and just
 516         save the PC.
 517         (SignalException): Always set the CAUSE register.
 518
 519 Tue Jun  3 05:00:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 520
 521         * interp.c (SignalException): Clear the simDELAYSLOT flag when an
 522         exception has been taken.
 523
 524         * interp.c: Implement the ERET and mt/f sr instructions.
 525
 526 start-sanitize-r5900
 527 Mon Jun  2 23:28:19 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 528
 529         * gencode.c (build_instruction): For paddu, extract unsigned
 530         sub-fields.
 531
 532         * gencode.c (build_instruction): Saturate padds instead of padd
 533         instructions.
 534
 535 end-sanitize-r5900
 536 Sat May 31 00:44:16 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 537
 538         * interp.c (SignalException): Don't bother restarting an
 539         interrupt.
 540
 541 Fri May 30 23:41:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 542
 543         * interp.c (SignalException): Really take an interrupt.
 544         (interrupt_event): Only deliver interrupts when enabled.
 545
 546 Tue May 27 20:08:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 547
 548         * interp.c (sim_info): Only print info when verbose.
 549         (sim_info) Use sim_io_printf for output.
 550
 551 Tue May 27 14:22:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 552
 553         * interp.c (CoProcPresent): Add UNUSED attribute - not used by all
 554         mips architectures.
 555
 556 Tue May 27 14:22:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 557
 558         * interp.c (sim_do_command): Check for common commands if a
 559         simulator specific command fails.
 560
 561 Thu May 22 09:32:03 1997  Gavin Koch  <gavin@cygnus.com>
 562
 563         * interp.c (sim_engine_run): ifdef out uses of simSTOP, simSTEP
 564         and simBE when DEBUG is defined.
 565
 566 Wed May 21 09:08:10 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 567
 568         * interp.c (interrupt_event): New function.  Pass exception event
 569         onto exception handler.
 570
 571         * configure.in: Check for stdlib.h.
 572         * configure: Regenerate.
 573
 574         * gencode.c (build_instruction): Add UNUSED attribute to tempS
 575         variable declaration.
 576         (build_instruction): Initialize memval1.
 577         (build_instruction): Add UNUSED attribute to byte, bigend,
 578         reverse.
 579         (build_operands): Ditto.
 580
 581         * interp.c: Fix GCC warnings.
 582         (sim_get_quit_code): Delete.
 583
 584         * configure.in: Add INLINE, ENDIAN, HOSTENDIAN and WARNINGS.
 585         * Makefile.in: Ditto.
 586         * configure: Re-generate.
 587
 588         * Makefile.in (SIM_OBJS): Add sim-watch.o module.
 589
 590 Tue May 20 15:08:56 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 591
 592         * interp.c (mips_option_handler): New function parse argumes using
 593         sim-options.
 594         (myname): Replace with STATE_MY_NAME.
 595         (sim_open): Delete check for host endianness - performed by
 596         sim_config.
 597         (simHOSTBE, simBE): Delete, replaced by sim-endian flags.
 598         (sim_open): Move much of the initialization from here.
 599         (sim_load): To here.  After the image has been loaded and
 600         endianness set.
 601         (sim_open): Move ColdReset from here.
 602         (sim_create_inferior): To here.
 603         (sim_open): Make FP check less dependant on host endianness.
 604
 605         * Makefile.in (SIM_RUN_OBJS): Set to nrun.o - use new version or
 606         run.
 607         * interp.c (sim_set_callbacks): Delete.
 608
 609         * interp.c (membank, membank_base, membank_size): Replace with
 610         STATE_MEMORY, STATE_MEM_SIZE, STATE_MEM_BASE.
 611         (sim_open): Remove call to callback->init. gdb/run do this.
 612
 613         * interp.c: Update
 614
 615         * sim-main.h (SIM_HAVE_FLATMEM): Define.
 616
 617         * interp.c (big_endian_p): Delete, replaced by
 618         current_target_byte_order.
 619
 620 Tue May 20 13:55:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 621
 622         * interp.c (host_read_long, host_read_word, host_swap_word,
 623         host_swap_long): Delete. Using common sim-endian.
 624         (sim_fetch_register, sim_store_register): Use H2T.
 625         (pipeline_ticks): Delete.  Handled by sim-events.
 626         (sim_info): Update.
 627         (sim_engine_run): Update.
 628
 629 Tue May 20 13:42:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 630
 631         * interp.c (sim_stop_reason): Move code determining simEXCEPTION
 632         reason from here.
 633         (SignalException): To here. Signal using sim_engine_halt.
 634         (sim_stop_reason): Delete, moved to common.
 635
 636 Tue May 20 10:19:48 1997  Andrew Cagney  <cagney@b2.cygnus.com>
 637
 638         * interp.c (sim_open): Add callback argument.
 639         (sim_set_callbacks): Delete SIM_DESC argument.
 640         (sim_size): Ditto.
 641
 642 Mon May 19 18:20:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 643
 644         * Makefile.in (SIM_OBJS): Add common modules.
 645
 646         * interp.c (sim_set_callbacks): Also set SD callback.
 647         (set_endianness, xfer_*, swap_*): Delete.
 648         (host_read_word, host_read_long, host_swap_word, host_swap_long):
 649         Change to functions using sim-endian macros.
 650         (control_c, sim_stop): Delete, use common version.
 651         (simulate): Convert into.
 652         (sim_engine_run): This function.
 653         (sim_resume): Delete.
 654
 655         * interp.c (simulation): New variable - the simulator object.
 656         (sim_kind): Delete global - merged into simulation.
 657         (sim_load): Cleanup.  Move PC assignment from here.
 658         (sim_create_inferior): To here.
 659
 660         * sim-main.h: New file.
 661         * interp.c (sim-main.h): Include.
 662
 663 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 664
 665         * configure: Regenerated to track ../common/aclocal.m4 changes.
 666
 667 Wed Apr 23 17:32:19 1997  Doug Evans  <dje@canuck.cygnus.com>
 668
 669         * tconfig.in (SIM_HAVE_BIENDIAN): Define.
 670
 671 Mon Apr 21 17:16:13 1997  Gavin Koch  <gavin@cygnus.com>
 672
 673         * gencode.c (build_instruction): DIV instructions: check
 674         for division by zero and integer overflow before using
 675         host's division operation.
 676
 677 Thu Apr 17 03:18:14 1997  Doug Evans  <dje@canuck.cygnus.com>
 678
 679         * Makefile.in (SIM_OBJS): Add sim-load.o.
 680         * interp.c: #include bfd.h.
 681         (target_byte_order): Delete.
 682         (sim_kind, myname, big_endian_p): New static locals.
 683         (sim_open): Set sim_kind, myname.  Move call to set_endianness to
 684         after argument parsing.  Recognize -E arg, set endianness accordingly.
 685         (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
 686         load file into simulator.  Set PC from bfd.
 687         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 688         (set_endianness): Use big_endian_p instead of target_byte_order.
 689
 690 Wed Apr 16 17:55:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 691
 692         * interp.c (sim_size): Delete prototype - conflicts with
 693         definition in remote-sim.h.  Correct definition.
 694
 695 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 696
 697         * configure: Regenerated to track ../common/aclocal.m4 changes.
 698         * config.in: Ditto.
 699
 700 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 701
 702         * interp.c (sim_open): New arg `kind'.
 703
 704         * configure: Regenerated to track ../common/aclocal.m4 changes.
 705
 706 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 707
 708         * configure: Regenerated to track ../common/aclocal.m4 changes.
 709
 710 Tue Mar 25 11:38:22 1997  Doug Evans  <dje@canuck.cygnus.com>
 711
 712         * interp.c (sim_open): Set optind to 0 before calling getopt.
 713
 714 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 715
 716         * configure: Regenerated to track ../common/aclocal.m4 changes.
 717
 718 Mon Mar 17 10:52:59 1997  Gavin Koch  <gavin@cetus.cygnus.com>
 719
 720         * interp.c : Replace uses of pr_addr with pr_uword64
 721         where the bit length is always 64 independent of SIM_ADDR.
 722         (pr_uword64) : added.
 723
 724 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 725
 726         * configure: Re-generate.
 727
 728 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 729
 730         * configure: Regenerate to track ../common/aclocal.m4 changes.
 731
 732 Thu Mar 13 12:51:36 1997  Doug Evans  <dje@canuck.cygnus.com>
 733
 734         * interp.c (sim_open): New SIM_DESC result.  Argument is now
 735         in argv form.
 736         (other sim_*): New SIM_DESC argument.
 737
 738 start-sanitize-r5900
 739 Wed Feb 26 18:32:21 1997  Gavin Koch  <gavin@cygnus.com>
 740
 741         * gencode.c (POP_AND,POP_OR,POP_NOR,POP_XOR):
 742         Change values to avoid overloading DOUBLEWORD which is tested
 743         for all insns.
 744         * gencode.c: reinstate "offending code".
 745
 746 end-sanitize-r5900
 747 Mon Feb 24 22:47:14 1997  Dawn Perchik  <dawn@cygnus.com>
 748
 749         * interp.c: Fix printing of addresses for non-64-bit targets.
 750         (pr_addr): Add function to print address based on size.
 751 start-sanitize-r5900
 752         * gencode.c: #ifdef out offending code until a permanent fix
 753         can be added.  Code is causing build errors for non-5900 mips targets.
 754 end-sanitize-r5900
 755
 756 start-sanitize-r5900
 757 Thu Feb 20 10:40:24 1997  Gavin Koch  <gavin@cetus.cygnus.com>
 758
 759         * gencode.c (process_instructions): Correct test for ISA dependent
 760         architecture bits in isa field of MIPS_DECODE.
 761
 762 end-sanitize-r5900
 763 Wed Feb 19 14:42:09 1997  Mark Alexander  <marka@cygnus.com>
 764
 765         * interp.c (simopen): Add support for LSI MiniRISC PMON vectors.
 766
 767 start-sanitize-r5900
 768 Tue Feb 18 17:03:47 1997  Gavin Koch  <gavin@cygnus.com>
 769
 770         * gencode.c (MIPS_DECODE): Correct instruction feature flags for
 771         PMADDUW.
 772
 773 end-sanitize-r5900
 774 Thu Feb 13 14:08:30 1997  Ian Lance Taylor  <ian@cygnus.com>
 775
 776         * gencode.c (build_mips16_operands): Correct computation of base
 777         address for extended PC relative instruction.
 778
 779 start-sanitize-r5900
 780 Fri Feb  7 11:12:44 1997  Gavin Koch  <gavin@cygnus.com>
 781
 782         * Makefile.in, configure, configure.in, gencode.c,
 783         interp.c, support.h: add r5900.
 784
 785 end-sanitize-r5900
 786 Thu Feb  6 17:16:15 1997  Ian Lance Taylor  <ian@cygnus.com>
 787
 788         * interp.c (mips16_entry): Add support for floating point cases.
 789         (SignalException): Pass floating point cases to mips16_entry.
 790         (ValueFPR): Don't restrict fmt_single and fmt_word to even
 791         registers.
 792         (StoreFPR): Likewise.  Also, don't clobber fpr + 1 for fmt_single
 793         or fmt_word.
 794         (COP_LW): Pass fmt_word rather than fmt_uninterpreted to StoreFPR,
 795         and then set the state to fmt_uninterpreted.
 796         (COP_SW): Temporarily set the state to fmt_word while calling
 797         ValueFPR.
 798
 799 Tue Feb  4 16:48:25 1997  Ian Lance Taylor  <ian@cygnus.com>
 800
 801         * gencode.c (build_instruction): The high order may be set in the
 802         comparison flags at any ISA level, not just ISA 4.
 803
 804 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 805
 806         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 807         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 808         * configure.in: sinclude ../common/aclocal.m4.
 809         * configure: Regenerated.
 810
 811 Fri Jan 31 11:11:45 1997  Ian Lance Taylor  <ian@cygnus.com>
 812
 813         * configure: Rebuild after change to aclocal.m4.
 814
 815 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 816
 817         * configure configure.in Makefile.in:  Update to new configure
 818         scheme which is more compatible with WinGDB builds.
 819         * configure.in:  Improve comment on how to run autoconf.
 820         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 821         * Makefile.in:  Use autoconf substitution to install common
 822         makefile fragment.
 823
 824 Wed Jan  8 12:39:03 1997  Jim Wilson  <wilson@cygnus.com>
 825
 826         * gencode.c (build_instruction): Use BigEndianCPU instead of
 827         ByteSwapMem.
 828
 829 Thu Jan 02 22:23:04 1997  Mark Alexander  <marka@cygnus.com>
 830
 831         * interp.c (sim_monitor): Make output to stdout visible in
 832         wingdb's I/O log window.
 833
 834 Tue Dec 31 07:04:00 1996  Mark Alexander  <marka@cygnus.com>
 835
 836         * support.h: Undo previous change to SIGTRAP
 837         and SIGQUIT values.
 838
 839 Mon Dec 30 17:36:06 1996  Ian Lance Taylor  <ian@cygnus.com>
 840
 841         * interp.c (store_word, load_word): New static functions.
 842         (mips16_entry): New static function.
 843         (SignalException): Look for mips16 entry and exit instructions.
 844         (simulate): Use the correct index when setting fpr_state after
 845         doing a pending move.
 846
 847 Sun Dec 29 09:37:18 1996  Mark Alexander  <marka@cygnus.com>
 848
 849         * interp.c: Fix byte-swapping code throughout to work on
 850         both little- and big-endian hosts.
 851
 852 Sun Dec 29 09:18:32 1996  Mark Alexander  <marka@cygnus.com>
 853
 854         * support.h: Make definitions of SIGTRAP and SIGQUIT consistent
 855         with gdb/config/i386/xm-windows.h.
 856
 857 Fri Dec 27 22:48:51 1996  Mark Alexander  <marka@cygnus.com>
 858
 859         * gencode.c (build_instruction): Work around MSVC++ code gen bug
 860         that messes up arithmetic shifts.
 861
 862 Fri Dec 20 11:04:05 1996  Stu Grossman  (grossman@critters.cygnus.com)
 863
 864         * support.h:  Use _WIN32 instead of __WIN32__.  Also add defs for
 865         SIGTRAP and SIGQUIT for _WIN32.
 866
 867 Thu Dec 19 14:07:27 1996  Ian Lance Taylor  <ian@cygnus.com>
 868
 869         * gencode.c (build_instruction) [MUL]: Cast operands to word64, to
 870         force a 64 bit multiplication.
 871         (build_instruction) [OR]: In mips16 mode, don't do anything if the
 872         destination register is 0, since that is the default mips16 nop
 873         instruction.
 874
 875 Mon Dec 16 14:59:38 1996  Ian Lance Taylor  <ian@cygnus.com>
 876
 877         * gencode.c (MIPS16_DECODE): SWRASP is I8, not RI.
 878         (build_endian_shift): Don't check proc64.
 879         (build_instruction): Always set memval to uword64.  Cast op2 to
 880         uword64 when shifting it left in memory instructions.  Always use
 881         the same code for stores--don't special case proc64.
 882
 883         * gencode.c (build_mips16_operands): Fix base PC value for PC
 884         relative operands.
 885         (build_instruction): Call JALDELAYSLOT rather than DELAYSLOT for a
 886         jal instruction.
 887         * interp.c (simJALDELAYSLOT): Define.
 888         (JALDELAYSLOT): Define.
 889         (INDELAYSLOT, INJALDELAYSLOT): Define.
 890         (simulate): Clear simJALDELAYSLOT when simDELAYSLOT is cleared.
 891
 892 Tue Dec 24 22:11:20 1996  Angela Marie Thomas (angela@cygnus.com)
 893
 894         * interp.c (sim_open): add flush_cache as a PMON routine
 895         (sim_monitor): handle flush_cache by ignoring it
 896
 897 Wed Dec 11 13:53:51 1996  Jim Wilson  <wilson@cygnus.com>
 898
 899         * gencode.c (build_instruction): Use !ByteSwapMem instead of
 900         BigEndianMem.
 901         * interp.c (CONFIG, config_EP_{mask,shift,D,DxxDxx, config_BE): Delete.
 902         (BigEndianMem): Rename to ByteSwapMem and change sense.
 903         (BigEndianCPU, sim_write, LoadMemory, StoreMemory): Change
 904         BigEndianMem references to !ByteSwapMem.
 905         (set_endianness): New function, with prototype.
 906         (sim_open): Call set_endianness.
 907         (sim_info): Use simBE instead of BigEndianMem.
 908         (xfer_direct_word, xfer_direct_long, swap_direct_word,
 909         swap_direct_long, xfer_big_word, xfer_big_long, xfer_little_word,
 910         xfer_little_long, swap_word, swap_long): Delete unnecessary MSC_VER
 911         ifdefs, keeping the prototype declaration.
 912         (swap_word): Rewrite correctly.
 913         (ColdReset): Delete references to CONFIG.  Delete endianness related
 914         code; moved to set_endianness.
 915
 916 Tue Dec 10 11:32:04 1996  Jim Wilson  <wilson@cygnus.com>
 917
 918         * gencode.c (build_instruction, case JUMP): Truncate PC to 32 bits.
 919         * interp.c (CHECKHILO): Define away.
 920         (simSIGINT): New macro.
 921         (membank_size): Increase from 1MB to 2MB.
 922         (control_c): New function.
 923         (sim_resume): Rename parameter signal to signal_number.  Add local
 924         variable prev.  Call signal before and after simulate.
 925         (sim_stop_reason): Add simSIGINT support.
 926         (sim_warning, sim_error, dotrace, SignalException): Define as stdarg
 927         functions always.
 928         (sim_warning): Delete call to SignalException.  Do call printf_filtered
 929         if logfh is NULL.
 930         (AddressTranslation): Add #ifdef DEBUG around debugging message and
 931         a call to sim_warning.
 932
 933 Wed Nov 27 11:53:50 1996  Ian Lance Taylor  <ian@cygnus.com>
 934
 935         * gencode.c (process_instructions): If ! proc64, skip DOUBLEWORD
 936         16 bit instructions.
 937
 938 Tue Nov 26 11:53:12 1996  Ian Lance Taylor  <ian@cygnus.com>
 939
 940         Add support for mips16 (16 bit MIPS implementation):
 941         * gencode.c (inst_type): Add mips16 instruction encoding types.
 942         (GETDATASIZEINSN): Define.
 943         (MIPS_DECODE): Add REG flag to dsllv, dsrav, and dsrlv.  Add
 944         jalx.  Add LEFT flag to mfhi and mflo.  Add RIGHT flag to mthi and
 945         mtlo.
 946         (MIPS16_DECODE): New table, for mips16 instructions.
 947         (bitmap_val): New static function.
 948         (struct mips16_op): Define.
 949         (mips16_op_table): New table, for mips16 operands.
 950         (build_mips16_operands): New static function.
 951         (process_instructions): If PC is odd, decode a mips16
 952         instruction.  Break out instruction handling into new
 953         build_instruction function.
 954         (build_instruction): New static function, broken out of
 955         process_instructions.  Check modifiers rather than flags for SHIFT
 956         bit count and m[ft]{hi,lo} direction.
 957         (usage): Pass program name to fprintf.
 958         (main): Remove unused variable this_option_optind.  Change
 959         ``*loptarg++'' to ``loptarg++''.
 960         (my_strtoul): Parenthesize && within ||.
 961         * interp.c (LoadMemory): Accept a halfword pAddr if vAddr is odd.
 962         (simulate): If PC is odd, fetch a 16 bit instruction, and
 963         increment PC by 2 rather than 4.
 964         * configure.in: Add case for mips16*-*-*.
 965         * configure: Rebuild.
 966
 967 Fri Nov 22 08:49:36 1996  Mark Alexander  <marka@cygnus.com>
 968
 969         * interp.c: Allow -t to enable tracing in standalone simulator.
 970         Fix garbage output in trace file and error messages.
 971
 972 Wed Nov 20 01:54:37 1996  Doug Evans  <dje@canuck.cygnus.com>
 973
 974         * Makefile.in: Delete stuff moved to ../common/Make-common.in.
 975         (SIM_{OBJS,EXTRA_CFLAGS,EXTRA_CLEAN}): Define.
 976         * configure.in: Simplify using macros in ../common/aclocal.m4.
 977         * configure: Regenerated.
 978         * tconfig.in: New file.
 979
 980 Tue Nov 12 13:34:00 1996  Dawn Perchik  <dawn@cygnus.com>
 981
 982         * interp.c: Fix bugs in 64-bit port.
 983         Use ansi function declarations for msvc compiler.
 984         Initialize and test file pointer in trace code.
 985         Prevent duplicate definition of LAST_EMED_REGNUM.
 986
 987 Tue Oct 15 11:07:06 1996  Mark Alexander  <marka@cygnus.com>
 988
 989         * interp.c (xfer_big_long): Prevent unwanted sign extension.
 990
 991 Thu Sep 26 17:35:00 1996  James G. Smith  <jsmith@cygnus.co.uk>
 992
 993         * interp.c (SignalException): Check for explicit terminating
 994         breakpoint value.
 995         * gencode.c: Pass instruction value through SignalException()
 996         calls for Trap, Breakpoint and Syscall.
 997
 998 Thu Sep 26 11:35:17 1996  James G. Smith  <jsmith@cygnus.co.uk>
 999
1000         * interp.c (SquareRoot): Add HAVE_SQRT check to ensure sqrt() is
1001         only used on those hosts that provide it.
1002         * configure.in: Add sqrt() to list of functions to be checked for.
1003         * config.in: Re-generated.
1004         * configure: Re-generated.
1005
1006 Fri Sep 20 15:47:12 1996  Ian Lance Taylor  <ian@cygnus.com>
1007
1008         * gencode.c (process_instructions): Call build_endian_shift when
1009         expanding STORE RIGHT, to fix swr.
1010         * support.h (SIGNEXTEND): If the sign bit is not set, explicitly
1011         clear the high bits.
1012         * interp.c (Convert): Fix fmt_single to fmt_long to not truncate.
1013         Fix float to int conversions to produce signed values.
1014
1015 Thu Sep 19 15:34:17 1996  Ian Lance Taylor  <ian@cygnus.com>
1016
1017         * gencode.c (MIPS_DECODE): Set UNSIGNED for multu instruction.
1018         (process_instructions): Correct handling of nor instruction.
1019         Correct shift count for 32 bit shift instructions. Correct sign
1020         extension for arithmetic shifts to not shift the number of bits in
1021         the type.  Fix 64 bit multiply high word calculation.  Fix 32 bit
1022         unsigned multiply.  Fix ldxc1 and friends to use coprocessor 1.
1023         Fix madd.
1024         * interp.c (CHECKHILO): Don't set HIACCESS, LOACCESS, or HLPC.
1025         It's OK to have a mult follow a mult.  What's not OK is to have a
1026         mult follow an mfhi.
1027         (Convert): Comment out incorrect rounding code.
1028
1029 Mon Sep 16 11:38:16 1996  James G. Smith  <jsmith@cygnus.co.uk>
1030
1031         * interp.c (sim_monitor): Improved monitor printf
1032         simulation. Tidied up simulator warnings, and added "--log" option
1033         for directing warning message output.
1034         * gencode.c: Use sim_warning() rather than WARNING macro.
1035
1036 Thu Aug 22 15:03:12 1996  Ian Lance Taylor  <ian@cygnus.com>
1037
1038         * Makefile.in (gencode): Depend upon gencode.o, getopt.o, and
1039         getopt1.o, rather than on gencode.c.  Link objects together.
1040         Don't link against -liberty.
1041         (gencode.o, getopt.o, getopt1.o): New targets.
1042         * gencode.c: Include <ctype.h> and "ansidecl.h".
1043         (AND): Undefine after including "ansidecl.h".
1044         (ULONG_MAX): Define if not defined.
1045         (OP_*): Don't define macros; now defined in opcode/mips.h.
1046         (main): Call my_strtoul rather than strtoul.
1047         (my_strtoul): New static function.
1048
1049 Wed Jul 17 18:12:38 1996  Stu Grossman  (grossman@critters.cygnus.com)
1050
1051         * gencode.c (process_instructions):  Generate word64 and uword64
1052         instead of `long long' and `unsigned long long' data types.
1053         * interp.c:  #include sysdep.h to get signals, and define default
1054         for SIGBUS.
1055         * (Convert):  Work around for Visual-C++ compiler bug with type
1056         conversion.
1057         * support.h:  Make things compile under Visual-C++ by using
1058         __int64 instead of `long long'.  Change many refs to long long
1059         into word64/uword64 typedefs.
1060
1061 Wed Jun 26 12:24:55 1996  Jason Molenda  (crash@godzilla.cygnus.co.jp)
1062
1063         * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
1064         INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
1065         (docdir): Removed.
1066         * configure.in (AC_PREREQ): autoconf 2.5 or higher.
1067         (AC_PROG_INSTALL): Added.
1068         (AC_PROG_CC): Moved to before configure.host call.
1069         * configure: Rebuilt.
1070
1071 Wed Jun  5 08:28:13 1996  James G. Smith  <jsmith@cygnus.co.uk>
1072
1073         * configure.in: Define @SIMCONF@ depending on mips target.
1074         * configure: Rebuild.
1075         * Makefile.in (run): Add @SIMCONF@ to control simulator
1076         construction.
1077         * gencode.c: Change LOADDRMASK to 64bit memory model only.
1078         * interp.c: Remove some debugging, provide more detailed error
1079         messages, update memory accesses to use LOADDRMASK.
1080
1081 Mon Jun  3 11:55:03 1996  Ian Lance Taylor  <ian@cygnus.com>
1082
1083         * configure.in: Add calls to AC_CONFIG_HEADER, AC_CHECK_HEADERS,
1084         AC_CHECK_LIB, and AC_CHECK_FUNCS.  Change AC_OUTPUT to set
1085         stamp-h.
1086         * configure: Rebuild.
1087         * config.in: New file, generated by autoheader.
1088         * interp.c: Include "config.h".  Include <stdlib.h>, <string.h>,
1089         and <strings.h> if they exist.  Replace #ifdef sun with #ifdef
1090         HAVE_ANINT and HAVE_AINT, as appropriate.
1091         * Makefile.in (run): Use @LIBS@ rather than -lm.
1092         (interp.o): Depend upon config.h.
1093         (Makefile): Just rebuild Makefile.
1094         (clean): Remove stamp-h.
1095         (mostlyclean): Make the same as clean, not as distclean.
1096         (config.h, stamp-h): New targets.
1097
1098 Fri May 10 00:41:17 1996  James G. Smith  <jsmith@cygnus.co.uk>
1099
1100         * interp.c (ColdReset): Fix boolean test. Make all simulator
1101         globals static.
1102
1103 Wed May  8 15:12:58 1996  James G. Smith  <jsmith@cygnus.co.uk>
1104
1105         * interp.c (xfer_direct_word, xfer_direct_long,
1106         swap_direct_word, swap_direct_long, xfer_big_word,
1107         xfer_big_long, xfer_little_word, xfer_little_long,
1108         swap_word,swap_long): Added.
1109         * interp.c (ColdReset): Provide function indirection to
1110         host<->simulated_target transfer routines.
1111         * interp.c (sim_store_register, sim_fetch_register): Updated to
1112         make use of indirected transfer routines.
1113
1114 Fri Apr 19 15:48:24 1996  James G. Smith  <jsmith@cygnus.co.uk>
1115
1116         * gencode.c (process_instructions): Ensure FP ABS instruction
1117         recognised.
1118         * interp.c (AbsoluteValue): Add routine. Also provide simple PMON
1119         system call support.
1120
1121 Wed Apr 10 09:51:38 1996  James G. Smith  <jsmith@cygnus.co.uk>
1122
1123         * interp.c (sim_do_command): Complain if callback structure not
1124         initialised.
1125
1126 Thu Mar 28 13:50:51 1996  James G. Smith  <jsmith@cygnus.co.uk>
1127
1128         * interp.c (Convert): Provide round-to-nearest and round-to-zero
1129         support for Sun hosts.
1130         * Makefile.in (gencode): Ensure the host compiler and libraries
1131         used for cross-hosted build.
1132
1133 Wed Mar 27 14:42:12 1996  James G. Smith  <jsmith@cygnus.co.uk>
1134
1135         * interp.c, gencode.c: Some more (TODO) tidying.
1136
1137 Thu Mar  7 11:19:33 1996  James G. Smith  <jsmith@cygnus.co.uk>
1138
1139         * gencode.c, interp.c: Replaced explicit long long references with
1140         WORD64HI, WORD64LO, SET64HI and SET64LO macro calls.
1141         * support.h (SET64LO, SET64HI): Macros added.
1142
1143 Wed Feb 21 12:16:21 1996  Ian Lance Taylor  <ian@cygnus.com>
1144
1145         * configure: Regenerate with autoconf 2.7.
1146
1147 Tue Jan 30 08:48:18 1996  Fred Fish  <fnf@cygnus.com>
1148
1149         * interp.c (LoadMemory): Enclose text following #endif in /* */.
1150         * support.h: Remove superfluous "1" from #if.
1151         * support.h (CHECKSIM): Remove stray 'a' at end of line.
1152
1153 Mon Dec  4 11:44:40 1995  Jamie Smith  <jsmith@cygnus.com>
1154
1155         * interp.c (StoreFPR): Control UndefinedResult() call on
1156         WARN_RESULT manifest.
1157
1158 Fri Dec  1 16:37:19 1995  James G. Smith  <jsmith@cygnus.co.uk>
1159
1160         * gencode.c: Tidied instruction decoding, and added FP instruction
1161         support.
1162
1163         * interp.c: Added dineroIII, and BSD profiling support. Also
1164         run-time FP handling.
1165
1166 Sun Oct 22 00:57:18 1995  James G. Smith  <jsmith@pasanda.cygnus.co.uk>
1167
1168         * Changelog, Makefile.in, README.Cygnus, configure, configure.in,
1169         gencode.c, interp.c, support.h: created.