sim/tic80/ChangeLog

   1 Tue Feb 17 12:50:27 1998  Andrew Cagney  <cagney@b1.cygnus.com>
   2
   3         * sim-calls.c (sim_store_register, sim_fetch_register): Pass in
   4         length parameter.  Return -1.
   5
   6 Fri Feb 13 17:11:22 1998  Michael Meissner  <meissner@cygnus.com>
   7
   8         * insns ({get,set}_fp_reg): Tic80 floating point is little endian,
   9         not big endian.
  10
  11         * misc.c (tic80_trace_fpu*): Pass address of sim_fpu structure,
  12         not the structure itself.  Use %g consistantly to print floating
  13         point.
  14
  15         * cpu.h: (tic80_trace_fpu*): Update prototypes.
  16
  17 Tue Feb  3 16:25:47 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  18
  19         * alu.h (IMEM32, IMEM32_IMMED): Rename IMEM and IMEM_IMMED so that
  20         in sync with recent igen change.
  21
  22 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  23
  24         * configure: Regenerated to track ../common/aclocal.m4 changes.
  25
  26 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  27
  28         * configure: Regenerated to track ../common/aclocal.m4 changes.
  29
  30 Fri Jan 30 11:47:50 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  31
  32         * cpu.h (CPU_CIA): Delete macro, replace with...
  33         (CIA_SET, CIA_GET): Define.
  34
  35 Wed Jan 28 18:44:33 1998  Michael Meissner  <meissner@cygnus.com>
  36
  37         * misc.c (tic80_trace_cmp_internal): New function to return
  38         compare bits as a string.
  39         (tic80_trace_{,fpu2}cmp): New functions for tracing cmp and fcmp.
  40
  41         * cpu.h (tic80_trace_{,fpu2}cmp): Add declaration.
  42         (TRACE_{,FPU2}CMP): New macros for tracing compares.
  43
  44         * insns (do_{,f}cmp): Use compare specific tracing functions to
  45         print out the flag bits.
  46
  47 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
  48
  49         * configure: Regenerated to track ../common/aclocal.m4 changes.
  50
  51 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  52
  53         * configure: Regenerated to track ../common/aclocal.m4 changes.
  54         * config.in: Ditto.
  55
  56 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
  57
  58         * configure: Regenerated to track ../common/aclocal.m4 changes.
  59
  60 Mon Nov 24 14:57:58 1997  Doug Evans  <devans@seba.cygnus.com>
  61
  62         * cpu.h (TRACE_COND_BR): Use TRACE_BRANCH_P, not TRACE_ALU_P.
  63
  64 Sat Nov 22 21:42:09 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  65
  66         * interp.c (engine_step): Replace SIGTRAP with SIM_SIGTRAP.
  67         (engine_run_until_stop): Replace SIGINT with SIM_SIGINT.
  68
  69         * sim-main.h: Include sim-signal.h.
  70         (SIGTRAP): Delete definition.
  71
  72         * interp.c, sim-calls.c: Do not include signal.h.
  73
  74         * insns (illegal): SIGILL -> SIM_SIGILL.
  75         (fp_unavailable): SIGFPE -> SIM_SIGFPE.
  76         (do_trap): SIGTRAP -> SIM_SIGTRAP.
  77
  78 Tue Nov 18 15:33:48 1997  Doug Evans  <devans@canuck.cygnus.com>
  79
  80         * sim-main.h (CIA_ADDR): Define.
  81
  82         * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
  83
  84 Fri Oct 17 17:26:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  85
  86         * alu.h (ALU32_END): Use ALU32_RESULT.
  87
  88 Mon Sep 29 12:49:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  89
  90         * insns (get_fp_reg, set_fp_reg): Update to use changed sim_fpu
  91         interface.
  92         (do_fadd, do_fcmp, do_fdiv, do_fmpy, do_frnd, do_fsub): Ditto.
  93
  94         * misc.c (tic80_trace_fpu3, tic80_trace_fpu2, tic80_trace_fpu1,
  95         tic80_trace_fpu2i) Update to use changed sim_fpu interface.
  96
  97 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  98
  99         * configure.in (SIM_AC_OPTIONS_BITSIZE): Define.
 100         * configure: Regenerated to track ../common/aclocal.m4 changes.
 101
 102 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 103
 104         * configure: Regenerated to track ../common/aclocal.m4 changes.
 105
 106 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 107
 108         * configure: Regenerated to track ../common/aclocal.m4 changes.
 109
 110 Tue Sep 23 10:19:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 111
 112         * Makefile.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
 113         SIM_HOSTENDIAN, SIM_INLINE, SIM_RESERVED_BITS): Delete, moved to
 114         common.
 115         (SIM_EXTRA_CFLAGS): Update.
 116
 117 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 118
 119         * configure: Regenerated to track ../common/aclocal.m4 changes.
 120
 121 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 122
 123         * configure: Regenerated to track ../common/aclocal.m4 changes.
 124
 125 Tue Sep 16 23:10:03 1997  Felix Lee  <flee@cygnus.com>
 126
 127         * sim-main.h (kill): macro was missing args.
 128         (SIGTRAP): define for MSVC.
 129
 130 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 131
 132         * configure: Regenerated to track ../common/aclocal.m4 changes.
 133
 134 Mon Sep  8 20:10:43 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 135
 136         * cpu.h (CPU_CIA): Define.
 137
 138         * sim-main.h (struct sim_state): Delete halt_ok, path_to_halt,
 139         restart_ok, path_to_restart members.
 140         (struct sim_state): Delete reason, siggnal members.
 141
 142 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 143
 144         * configure: Regenerated to track ../common/aclocal.m4 changes.
 145
 146 Thu Sep  4 17:45:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 147
 148         * sim-calls.c (sim_open): Add memory before parsing arguments.
 149         (sim_read): Delete, replace with sim-hrw.
 150         (sim_write): Delete, replace with sim-hrw.
 151
 152 Thu Sep  4 10:48:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 153
 154         * sim-calls.c (sim_open): Use sim_do_command to add memory, only
 155         add memory if none already present.
 156         (sim_open): Move init of registers from here.
 157         (sim_create_inferior): To here. Init modules.
 158
 159         * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
 160
 161         * sim-calls.c (sim_open): Add zero modulo arg to sim_core_attach.
 162
 163 Mon Sep  1 11:06:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 164
 165         * sim-calls.c (sim_open): Use sim_state_alloc
 166         (simulation): Delete.
 167
 168 Sat Aug 30 09:40:47 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 169
 170         * insns (do_trap): Unsigned `i' for unsigned iterator.
 171         (do_trap): Ditto for comparison with getpid.
 172
 173 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 174
 175         * configure: Regenerated to track ../common/aclocal.m4 changes.
 176         * config.in: Ditto.
 177
 178 Wed Aug 27 13:41:24 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 179
 180         * insns (do_st): Use U8_4 instead of V4_L8.
 181
 182         * sim-calls.c (sim_open): Add call to sim_analyze_program, update
 183         call to sim_config.
 184
 185         * sim-calls.c (sim_kill): Delete.
 186         (sim_create_inferior): Add ABFD argument.  Initialize PC from ABFD
 187         and not SD.
 188         (sim_load): Delete, use sim-hload.c.
 189
 190         * Makefile.in (SIM_OBJS): Add sim-hload.o module.
 191
 192 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 193
 194         * configure: Regenerated to track ../common/aclocal.m4 changes.
 195         * config.in: Ditto.
 196
 197 Mon Aug 25 16:33:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 198
 199         * sim-calls.c (sim_open): Add ABFD argument.
 200         (sim_open): Move sim_config call to just after argument
 201         parsing. Check return status.
 202
 203 Fri Aug  8 21:52:27 1997  Mark Alexander  <marka@cygnus.com>
 204
 205         * sim-calls.c (sim_store_register): Allow accumulators
 206         other than A0 to be modified.  Correct error message.
 207
 208 Thu May 29 14:02:40 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 209
 210         * misc.c (tic80_trace_fpu3, tic80_trace_fpu2, tic80_trace_fpu1,
 211         tic80_trace_fpu2i): Pass in function prefix.
 212         (tic80_trace_ldst): Rewrite so it calls print_one_insn directly.
 213
 214         * Makefile.in (SIM_OBJS): Include sim-watch.o module.
 215
 216         * sim-main.h (WITH_WATCHPOINTS): Enable watchpoints.
 217
 218         * ic (bitnum): Compute bitnum from BITNUM.
 219         * insn (bbo, bbz): Use.
 220
 221         * insn: Convert long immediate instructions to igen long immediate
 222         form.
 223         * insn: Add disasembler information.
 224
 225 Thu May 29 12:09:13 1997  Andrew Cagney  <cagney@b2.cygnus.com>
 226
 227         * alu.h (IMEM_IMMED): New macro, fetch 32bit immediate operand N.
 228
 229         * insns (subu i): Immediate is signed not unsigned.
 230
 231 Tue May 27 13:22:13 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 232
 233         * sim-calls.c (sim_read): Pass NULL cpu to sim_core_read_buffer.
 234         (sim_write): Ditto for write.
 235
 236 Tue May 20 09:33:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 237
 238         * sim-calls.c (sim_load): Set STATE_LOADED_P.
 239
 240         * sim-main.h: Include <unistd.h>.
 241
 242         * sim-calls.c (sim_set_callback): Delete.
 243         (sim_open): Add/install callback argument.
 244         (sim_size): Delete.
 245
 246 Mon May 19 18:59:33 1997  Mike Meissner  <meissner@cygnus.com>
 247
 248         * configure.in: Check for getpid, kill functions.
 249         * config{.in,ure}: Regenerate.
 250
 251         * insns (do_trap): Add support for kill, getpid system calls.
 252
 253         * sim-main.h (errno.h): Include.
 254         (getpid,kill): Define as NOPs if the host doesn't have them.
 255
 256 Mon May 19 14:58:47 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 257
 258         * sim-calls.c (sim_open): Set the simulator base magic number.
 259         (sim_load): Delete prototype of sim_load_file.
 260         (sim_open): Define sd to be &simulation.
 261
 262 Fri May 16 14:35:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 263
 264         * insns (illegal, fp_unavailable): Halt instead of abort the
 265         simulator.
 266
 267         * insns: Replace calls to engine_error with sim_engine_abort.
 268         Ditto for engine_halt V sim_engine_halt.
 269
 270 Tue May 13 15:24:12 1997  Andrew Cagney  <cagney@b2.cygnus.com>
 271
 272         * interp.c (engine_run_until_stop): Delete. Moved to common.
 273         (engine_step): Ditto.
 274         (engine_step): Ditto.
 275         (engine_halt): Ditto.
 276         (engine_restart): Ditto.
 277         (engine_halt): Ditto.
 278         (engine_error): Ditto.
 279
 280         * sim-calls.c (sim_stop): Delete. Moved to common.
 281         (sim_stop_reason): Ditto.
 282         (sim_resume): Ditto.
 283
 284         * Makefile.in (SIM_OBJS): Link in generic sim-engine, sim-run,
 285         sim-resume, sim-reason, sim-stop modules.
 286
 287 Fri May 16 11:57:49 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 288
 289         * ic (compute): Drop check for REG == 0, now always forced to
 290         zero.
 291
 292         * cpu.h (GPR_SET): New macro update the gpr.
 293         * insns (do_add): Use GPR_SET to update the GPR register.
 294
 295         * sim-calls.c (sim_fetch_register): Pretend that r0 is zero.
 296
 297         * Makefile.in (tmp-igen): Specify zero-r0 so that every
 298         instruction clears r0.
 299
 300         * interp.c (engine_run_until_stop): Igen now generates code to
 301         clear r0.
 302         (engine_step): Ditto.
 303
 304 Thu May 15 11:45:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 305
 306         * insns (do_shift): When rot==0 and zero/sign merge treat it as
 307         32.
 308         (set_fp_reg): For interger conversion, use sim-fpu fpu2i
 309         functions.
 310         (do_fmpy): Perform iii and uuu using integer arithmetic.
 311
 312         * Makefile.in (ENGINE_H): Assume everything depends on the fpu.
 313
 314         * insns (get_fp_reg): Use sim_fpu_u32to to perform unsigned
 315         conversion.
 316         (do_fcmp): Update to use new fp compare functions. Make reg nr arg
 317         instead of reg.  Stops fp overflow.
 318         (get_fp_reg): Assume val is valid when reg == 0.
 319         (set_fp_reg): Fix double conversion.
 320
 321         * misc.c (tic80_trace_fpu1): New function, trace simple fp op.
 322
 323         * insns (do_frnd): Add tracing.
 324
 325         * cpu.h (TRACE_FPU1): Ditto.
 326
 327         * insns (do_trap): Printf formatting.
 328
 329 Wed May 14 18:05:50 1997  Mike Meissner  <meissner@cygnus.com>
 330
 331         * misc.c (tic80_trace_fpu{3,2,2i}): Align columns with other
 332         insns.  Use %g to print floating point instead of %f in case the
 333         numbers are real large.
 334
 335 Tue May 13 18:00:10 1997  Mike Meissner  <meissner@cygnus.com>
 336
 337         * insns (do_trap): For system calls that are defined, but not
 338         provided return EINVAL. Temporarily add traps 74-79 to just print
 339         the register state.
 340
 341         * interp.c (engine_{run_until_stop,step}): Before executing
 342         instructions, make sure r0 == 0.
 343
 344 Tue May 13 16:39:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 345
 346         * alu.h (IMEM): Take full cia not just IP as argument.
 347
 348         * interp.c (engine_run_until_stop): Delete handling of annuled
 349         instructions.
 350         (engine_step): Ditto.
 351
 352         * insn (do_branch): New function.
 353         (do_bbo, do_bbz, do_bcnd, do_bsr, do_jsr): Use do_branch to handle
 354         annuled branches.
 355
 356 Mon May 12 17:15:52 1997  Mike Meissner  <meissner@cygnus.com>
 357
 358         * insns (do_{ld,st}): Fix tracing for ld/st.
 359
 360 Mon May 12 11:12:24 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 361
 362         * sim-calls.c (sim_stop_reason): Restore keep_running after a
 363         CNTRL-C, don't re-clear it.
 364
 365         * interp.c (engine_error): stop rather than signal with SIGABRT
 366         when an error.
 367
 368         * insns (do_ld): For 64bit loads, always store LSW in rDest, MSW in
 369         rDest + 1. Also done by Michael Meissner  <meissner@cygnus.com>
 370         (do_st): Converse for store.
 371
 372         * misc.c (tic80_trace_fpu2i): Correct printf format for int type.
 373
 374 Sun May 11 11:02:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 375
 376         * sim-calls.c (sim_stop_reason): Return a SIGINT if keep_running
 377         was cleared.
 378
 379         * interp.c (engine_step): New function.  Single step the simulator
 380         taking care of cntrl-c during a step.
 381
 382         * sim-calls.c (sim_resume): Differentiate between stepping and
 383         running so that a cntrl-c during a step is reported.
 384
 385 Sun May 11 10:54:31 1997  Mark Alexander    <marka@cygnus.com>
 386
 387         * sim-calls.c (sim_fetch_register): Use correct reg base.
 388         (sim_store_register): Ditto.
 389
 390 Sun May 11 10:25:14 1997  Michael Meissner  <meissner@cygnus.com>
 391
 392         * cpu.h (tic80_trace_shift): Add declaration.
 393         (TRACE_SHIFT): New macro to trace shift instructions.
 394
 395         * misc.c (tic80_trace_alu2): Align spacing.
 396         (tic80_trace_shift): New function to trace shifts.
 397
 398         * insns (lmo): Add missing 0b prefix to bits.
 399         (do_shift): Use ~ (unsigned32)0, instead of -1.  Use TRACE_SHIFT
 400         instead of TRACE_ALU2.
 401         (sl r): Use EndMask as is, instead of using Source+1 register.
 402         (subu): Operands are unsigned, not signed.
 403         (do_{ld,st}): Fix endian problems with ld.d/st.d.
 404
 405 Sat May 10 12:35:47 1997  Michael Meissner  <meissner@cygnus.com>
 406
 407         * insns (and{.tt,.tf,.ft,.ff}): Immediate values are unsigned, not
 408         signed.
 409
 410 Fri May  9 15:47:36 1997  Mike Meissner  <meissner@cygnus.com>
 411
 412         * insns (cmp_vals,do_cmp): Produce the correct bits as specified
 413         by the architecture.
 414         (xor): Fix xor immediate patterns to use the correct bits.
 415
 416 Fri May  9 09:55:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 417
 418         * alu.h (long_immediate): Adjust the CIA delay-pointer as well as
 419         the NIA when a 64bit insn.
 420
 421 Thu May  8 11:57:47 1997  Michael Meissner  <meissner@cygnus.com>
 422
 423         * insns (jsr,bsr): For non-allulled calls, set r31 so that the
 424         return address does not reexecute the instruction in the delay
 425         slot.
 426         (bbo,bbz): Complement bit number to reverse the one's complement
 427         that the assembler is required to do.
 428
 429         * misc.c (tic80_trace_*): Change format slightly to accomidate
 430         real large decimal values.
 431
 432 Thu May  8 14:07:16 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 433
 434         * sim-calls.c (sim_do_command): Implement.
 435         (sim_store_register): Fix typo T2H v H2T.
 436
 437 Wed May  7 11:48:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 438
 439         * cpu.h (TRACE_FPU2, TRACE_FPU3, TRACE_FPU2I): Add.
 440         * insn: Clean up fpu tracing.
 441
 442         * sim-calls.c (sim_create_inferior): Start out with interrupts
 443         enabled.
 444
 445         * cpu.h (TRACE_SINK3), misc.c (tic80_trace_sink3): Three argument
 446         sink
 447
 448         * insns (rdcr, swcr, wrcr, brcr, rmo, lmo): Implement.
 449
 450         * insns (do_*): Remove MY_INDEX/indx argument from support functions,
 451         igen now handles this.
 452
 453         * cpu.h (CR): New macro - access TIc80 control registers.
 454
 455         * misc.c: New file.
 456         (tic80_cr2index): New function, map control register opcode index
 457         into the internal CR enum.
 458
 459         * interp.c
 460         (tic80_trace_{alu{2,3},nop,sink{1,2},{,u}cond_br,ldst}): Move from
 461         here
 462         * misc.c: to here.
 463
 464         * Makefile.in (SIM_OBJS): Add misc.o.
 465
 466 Tue May  6 15:22:58 1997  Mike Meissner  <meissner@cygnus.com>
 467
 468         * cpu.h ({,v}{S,D}P_FPR): Delete unused macros that won't work on
 469         big endian hosts.
 470         (tic80_trace_{alu{2,3},nop,sink{1,2},{,u}cond_br,ldst}): Declare
 471         new functions.
 472         (TRACE_{ALU{2,3},NOP,SINK{1,2},{,U}COND_BR,LD,ST}): New macros to
 473         trace various instruction types.
 474
 475         * insns: Modify all instructions to support semantic tracing.
 476
 477         * interp.c (toplevel): Include itable.h.
 478         (tic80_trace_{alu{2,3},nop,sink{1,2},{,u}cond_br,ldst}): New
 479         functions to provide semantic level tracing information.
 480
 481 Mon May  5 11:50:43 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 482
 483         * alu.h: Update usage of core object to reflect recent changes in
 484         ../common/sim-*core.
 485         * sim-calls.c (sim_open): Ditto.
 486
 487 Mon May  5 14:10:17 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 488
 489         * insn (cmnd): No-op cache flushes.
 490
 491         * insns (do_trap): Allow writes to STDERR.
 492
 493         * Makefile.in (SIM_OBJS): Link in sim-fpu.o.
 494         (SIM_EXTRA_LIBS): Link in the math library.
 495
 496         * alu.h: Add support for floating point unit using sim-alu.
 497
 498         * insns (fadd, fsub, fmpy, fdiv, fcmp, frnd*): Implement.
 499
 500 Fri May  2 14:57:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 501
 502         * sim-calls.c: Include sim-utils.h and sim-options.h.
 503
 504         * sim-main.h (sim_state): Drop sim_events and sim_core members,
 505         moved to simulator base type.
 506
 507         * alu.h (IMEM, MEM, STORE): Update track changes in common
 508         directory.
 509
 510         * insns: Drop cia argument from functions, igen now handles this.
 511
 512         * interp.c (engine_init): Include string.h/strings.h to define
 513         memset et.al.
 514
 515         * sim-main.h (sim_cia): Delcare, tracking common dir changes.
 516
 517         * cpu.h (sim_cpu): Update instruction_address with sim_cia.
 518
 519 Wed Apr 30 11:26:56 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 520
 521         * sim-main.h (signal.h): Include so that SIG* available to all
 522         callers of sig_halt.
 523
 524         * insns (do_shift): New function, implement shift operations.
 525         (do_trap): Add handler for trap 73 - SIGTRAP.
 526
 527 Tue Apr 29 10:58:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 528
 529         * alu.h (MEM, STORE): Force addresses to be correctly aligned.
 530
 531         * insns (do_jsr): Fix.
 532         (do_st, do_ld): Handle 64bit transfers.
 533         (do_trap): Match libgloss.
 534         (rdcr): Implement nop - Dest == r0 - variant.
 535
 536         * sim-calls.c (sim_create_inferior): Initialize SP.
 537
 538         * Makefile.in (ENGINE_H): Everything now depends on sim-options.h.
 539         (support.o): Depends on ENGINE_H.
 540
 541         * cpu.h: Four accumulators.
 542
 543         * Makefile.in (tmp-igen): Include line number information in
 544         generated files.
 545
 546         * insns (dld, dst): Fill in.
 547
 548 Mon Apr 28 13:02:26 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 549
 550         * insns (vld): Fix instruction format wrong.
 551
 552 Thu Apr 24 16:43:09 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 553
 554         * dc: Add additional rules so that minor opcode files are
 555         detected.
 556         * insns: Enable more instructions.
 557
 558         * sim-calls.c (sim_fetch_register,sim_store_register, sim_write):
 559         Implement.
 560
 561 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 562
 563         * configure: Regenerated to track ../common/aclocal.m4 changes.
 564         * Makefile.in (SIM_OBJS): Add sim-module.o, sim-profile.o.
 565         * sim-calls.c (sim_open): Call sim_module_uninstall if argument
 566         parsing fails.  Call sim_post_argv_init.
 567         (sim_close): Call sim_module_uninstall.
 568
 569 Wed Apr 23 20:05:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 570
 571         * insns (and, bbo, bcnd, bsr, dcache, jsr, or, xor, nor): Enable.
 572         * ic: Add fields for enabled instructions.
 573