import gdb-19990422 snapshot

[binutils.git] / sim / mips / mips.igen

diff --git a/sim/mips/mips.igen b/sim/mips/mips.igen
index 3a9d426e0766bd37f84ce5ec82c17056cb97d95e..66c475a7e428ae4004a13f052f7e390ce7782935 100644 (file)
--- a/sim/mips/mips.igen
+++ b/sim/mips/mips.igen
@@ -1,5 +1,9 @@
 // -*- C -*-
 //
+// In mips.igen, the semantics for many of the instructions were created
+// using code generated by gencode.  Those semantic segments could be
+// greatly simplified.
+//
 //    <insn> ::=
 //        <insn-word> { "+" <insn-word> }
 //        ":" <format-name>
@@ -36,21 +40,8 @@
 :model:::mipsIII:mips4000:
 :model:::mipsIV:mips8000:
 :model:::mips16:mips16:
-// start-sanitize-r5900
-:model:::r5900:mips5900:
-// end-sanitize-r5900
 :model:::r3900:mips3900:
-// start-sanitize-tx19
-:model:::tx19:tx19:
-// end-sanitize-tx19
 :model:::vr4100:mips4100:
-// start-sanitize-vr4320
-:model:::vr4320:mips4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-:model:::vr5400:mips5400:
-:model:::mdmx:mdmx:
-// end-sanitize-cygnus
 :model:::vr5000:mips5000:
 
 
@@ -97,27 +88,6 @@
   return CIA + 8;
 }
 
-// start-sanitize-branchbug4011
-:function:::void:check_4011_branch_bug:
-{
-  if (BRANCHBUG4011_OPTION == 2 && BRANCHBUG4011_LAST_TARGET == CIA)
-    sim_engine_abort (SD, CPU, CIA, "4011 BRANCH BUG: %s at 0x%08lx was target of branch at 0x%08lx\n",
-                     itable[MY_INDEX].name,
-                     (long) CIA,
-                     (long) BRANCHBUG4011_LAST_CIA);
-}
-
-:function:::void:mark_4011_branch_bug:address_word target
-{
-  if (BRANCHBUG4011_OPTION)
-    {
-      BRANCHBUG4011_OPTION = 2;
-      BRANCHBUG4011_LAST_TARGET = target;
-      BRANCHBUG4011_LAST_CIA = CIA;
-    }
-}
-
-// end-sanitize-branchbug4011
 // Helper:
 // 
 // Check that an access to a HI/LO register meets timing requirements
@@ -145,13 +115,8 @@
 
 :function:::int:check_mt_hilo:hilo_history *history
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 {
   signed64 time = sim_events_time (SD);
   int ok = check_mf_cycles (SD_, history, time, "MT");
@@ -162,12 +127,6 @@
 
 :function:::int:check_mt_hilo:hilo_history *history
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 {
   signed64 time = sim_events_time (SD);
   history->mt.timestamp = time;
@@ -178,17 +137,9 @@
 
 :function:::int:check_mf_hilo:hilo_history *history, hilo_history *peer
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   signed64 time = sim_events_time (SD);
   int ok = 1;
@@ -214,33 +165,12 @@
   return ok;
 }
 
-// start-sanitize-r5900
-// The r5900 mfhi et.al insns _can_ be exectuted immediatly after a div
-:function:::int:check_mf_hilo:hilo_history *history, hilo_history *peer
-// end-sanitize-r5900
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-r5900
-{
-  /* FIXME: could record the fact that a stall occured if we want */
-  signed64 time = sim_events_time (SD);
-  history->mf.timestamp = time;
-  history->mf.cia = CIA;
-  return 1;
-}
-// end-sanitize-r5900
 
 
 :function:::int:check_mult_hilo:hilo_history *hi, hilo_history *lo
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 {
   signed64 time = sim_events_time (SD);
   int ok = (check_mf_cycles (SD_, hi, time, "OP")
@@ -256,12 +186,6 @@
 // a mf{hi,lo}
 :function:::int:check_mult_hilo:hilo_history *hi, hilo_history *lo
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 {
   /* FIXME: could record the fact that a stall occured if we want */
   signed64 time = sim_events_time (SD);
@@ -275,17 +199,9 @@
 
 :function:::int:check_div_hilo:hilo_history *hi, hilo_history *lo
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   signed64 time = sim_events_time (SD);
   int ok = (check_mf_cycles (SD_, hi, time, "OP")
@@ -298,25 +214,6 @@
 }
 
 
-// start-sanitize-r5900
-// The r5900 div et.al insns _can_ be exectuted immediatly after
-// a mf{hi,lo}
-:function:::int:check_div_hilo:hilo_history *hi, hilo_history *lo
-// end-sanitize-r5900
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-r5900
-{
-  /* FIXME: could record the fact that a stall occured if we want */
-  signed64 time = sim_events_time (SD);
-  hi->op.timestamp = time;
-  lo->op.timestamp = time;
-  hi->op.cia = CIA;
-  lo->op.cia = CIA;
-  return 1;
-}
-// end-sanitize-r5900
 
 
 
@@ -331,20 +228,9 @@
 000000,5.RS,5.RT,5.RD,00000,100000:SPECIAL:32::ADD
 "add r<RD>, r<RS>, r<RT>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
   {
@@ -360,20 +246,9 @@
 001000,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ADDI
 "addi r<RT>, r<RS>, IMMEDIATE"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   TRACE_ALU_INPUT2 (GPR[RS], EXTEND16 (IMMEDIATE));
   {
@@ -396,20 +271,9 @@
 001001,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ADDIU
 "addiu r<RT>, r<RS>, <IMMEDIATE>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_addiu (SD_, RS, RT, IMMEDIATE);
 }
@@ -426,20 +290,9 @@
 000000,5.RS,5.RT,5.RD,00000,100001:SPECIAL:32::ADDU
 "addu r<RD>, r<RS>, r<RT>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_addu (SD_, RS, RT, RD);
 }
@@ -456,20 +309,9 @@
 000000,5.RS,5.RT,5.RD,00000,100100:SPECIAL:32::AND
 "and r<RD>, r<RS>, r<RT>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_and (SD_, RS, RT, RD);
 }
@@ -479,20 +321,9 @@
 001100,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ANDI
 "and r<RT>, r<RS>, <IMMEDIATE>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   TRACE_ALU_INPUT2 (GPR[RS], IMMEDIATE);
   GPR[RT] = GPR[RS] & IMMEDIATE;
@@ -504,20 +335,9 @@
 000100,5.RS,5.RT,16.OFFSET:NORMAL:32::BEQ
 "beq r<RS>, r<RT>, <OFFSET>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   address_word offset = EXTEND16 (OFFSET) << 2;
   check_branch_bug ();
@@ -535,20 +355,9 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   address_word offset = EXTEND16 (OFFSET) << 2;
   check_branch_bug ();
@@ -566,20 +375,9 @@
 000001,5.RS,00001,16.OFFSET:REGIMM:32::BGEZ
 "bgez r<RS>, <OFFSET>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   address_word offset = EXTEND16 (OFFSET) << 2;
   check_branch_bug ();
@@ -595,20 +393,9 @@
 000001,5.RS!31,10001,16.OFFSET:REGIMM:32::BGEZAL
 "bgezal r<RS>, <OFFSET>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   address_word offset = EXTEND16 (OFFSET) << 2;
   check_branch_bug ();
@@ -627,20 +414,9 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   address_word offset = EXTEND16 (OFFSET) << 2;
   check_branch_bug ();
@@ -663,20 +439,9 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   address_word offset = EXTEND16 (OFFSET) << 2;
   check_branch_bug ();
@@ -694,20 +459,9 @@
 000111,5.RS,00000,16.OFFSET:NORMAL:32::BGTZ
 "bgtz r<RS>, <OFFSET>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   address_word offset = EXTEND16 (OFFSET) << 2;
   check_branch_bug ();
@@ -725,20 +479,9 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   address_word offset = EXTEND16 (OFFSET) << 2;
   check_branch_bug ();
@@ -758,20 +501,9 @@
 000110,5.RS,00000,16.OFFSET:NORMAL:32::BLEZ
 "blez r<RS>, <OFFSET>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   address_word offset = EXTEND16 (OFFSET) << 2;
   check_branch_bug ();
@@ -791,20 +523,9 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   address_word offset = EXTEND16 (OFFSET) << 2;
   check_branch_bug ();
@@ -822,20 +543,9 @@
 000001,5.RS,00000,16.OFFSET:REGIMM:32::BLTZ
 "bltz r<RS>, <OFFSET>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   address_word offset = EXTEND16 (OFFSET) << 2;
   check_branch_bug ();
@@ -851,20 +561,9 @@
 000001,5.RS!31,10000,16.OFFSET:REGIMM:32::BLTZAL
 "bltzal r<RS>, <OFFSET>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   address_word offset = EXTEND16 (OFFSET) << 2;
   check_branch_bug ();
@@ -885,20 +584,9 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   address_word offset = EXTEND16 (OFFSET) << 2;
   check_branch_bug ();
@@ -919,20 +607,9 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   address_word offset = EXTEND16 (OFFSET) << 2;
   check_branch_bug ();
@@ -952,20 +629,9 @@
 000101,5.RS,5.RT,16.OFFSET:NORMAL:32::BNE
 "bne r<RS>, r<RT>, <OFFSET>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   address_word offset = EXTEND16 (OFFSET) << 2;
   check_branch_bug ();
@@ -983,20 +649,9 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   address_word offset = EXTEND16 (OFFSET) << 2;
   check_branch_bug ();
@@ -1014,20 +669,9 @@
 000000,20.CODE,001101:SPECIAL:32::BREAK
 "break"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   /* Check for some break instruction which are reserved for use by the simulator.  */
   unsigned int break_code = instruction_0 & HALT_INSTRUCTION_MASK;
@@ -1044,22 +688,15 @@
         PC = cia - 4; /* reference the branch instruction */
       else
         PC = cia;
-      sim_engine_halt (SD, CPU, NULL, cia, sim_stopped, SIM_SIGTRAP);
+      SignalException(BreakPoint, instruction_0);
     }
-// start-sanitize-sky
-  else if (break_code == (HALT_INSTRUCTION_PASS & HALT_INSTRUCTION_MASK))
-    {
-      sim_engine_halt (SD, CPU, NULL, cia, sim_exited, 0);
-    }
-  else if (break_code == (HALT_INSTRUCTION_FAIL & HALT_INSTRUCTION_MASK))
+
+  else
     {
-      sim_engine_halt (SD, CPU, NULL, cia, sim_exited, 15);
+      /* If we get this far, we're not an instruction reserved by the sim.  Raise 
+        the exception. */
+      SignalException(BreakPoint, instruction_0);
     }
-// end-sanitize-sky
-
-  /* If we get this far, we're not an instruction reserved by the sim.  Raise 
-     the exception. */
-  SignalException(BreakPoint, instruction_0);
 }
 
 
@@ -1071,19 +708,8 @@
 "dadd r<RD>, r<RS>, r<RT>"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   /* this check's for overflow */
   TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
@@ -1101,19 +727,8 @@
 "daddi r<RT>, r<RS>, <IMMEDIATE>"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   TRACE_ALU_INPUT2 (GPR[RS], EXTEND16 (IMMEDIATE));
   {
@@ -1126,7 +741,7 @@
 
 
 
-:function:64::void:do_daddiu:int rs, int rt, unsigned16 immediate
+:function:::void:do_daddiu:int rs, int rt, unsigned16 immediate
 {
   TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate));
   GPR[rt] = GPR[rs] + EXTEND16 (immediate);
@@ -1137,19 +752,8 @@
 "daddu r<RT>, r<RS>, <IMMEDIATE>"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_daddiu (SD_, RS, RT, IMMEDIATE);
 }
@@ -1167,47 +771,40 @@
 "daddu r<RD>, r<RS>, r<RT>"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_daddu (SD_, RS, RT, RD);
 }
 
 
 
-:function:64::void:do_ddiv:int rs, int rt
+:function:::void:do_ddiv:int rs, int rt
 {
   check_div_hilo (SD_, HIHISTORY, LOHISTORY);
   TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
   {
     signed64 n = GPR[rs];
     signed64 d = GPR[rt];
+    signed64 hi;
+    signed64 lo;
     if (d == 0)
       {
-       LO = SIGNED64 (0x8000000000000000);
-       HI = 0;
+       lo = SIGNED64 (0x8000000000000000);
+       hi = 0;
       }
     else if (d == -1 && n == SIGNED64 (0x8000000000000000))
       {
-       LO = SIGNED64 (0x8000000000000000);
-       HI = 0;
+       lo = SIGNED64 (0x8000000000000000);
+       hi = 0;
       }
     else
       {
-       LO = (n / d);
-       HI = (n % d);
+       lo = (n / d);
+       hi = (n % d);
       }
+    HI = hi;
+    LO = lo;
   }
   TRACE_ALU_RESULT2 (HI, LO);
 }
@@ -1216,42 +813,35 @@
 "ddiv r<RS>, r<RT>"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_ddiv (SD_, RS, RT);
 }
 
 
 
-:function:64::void:do_ddivu:int rs, int rt
+:function:::void:do_ddivu:int rs, int rt
 {
   check_div_hilo (SD_, HIHISTORY, LOHISTORY);
   TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
   {
     unsigned64 n = GPR[rs];
     unsigned64 d = GPR[rt];
+    unsigned64 hi;
+    unsigned64 lo;
     if (d == 0)
       {
-       LO = SIGNED64 (0x8000000000000000);
-       HI = 0;
+       lo = SIGNED64 (0x8000000000000000);
+       hi = 0;
       }
     else
       {
-       LO = (n / d);
-       HI = (n % d);
+       lo = (n / d);
+       hi = (n % d);
       }
+    HI = hi;
+    LO = lo;
   }
   TRACE_ALU_RESULT2 (HI, LO);
 }
@@ -1260,16 +850,8 @@
 "ddivu r<RS>, r<RT>"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_ddivu (SD_, RS, RT);
 }
@@ -1305,20 +887,9 @@
 000000,5.RS,5.RT,0000000000011010:SPECIAL:32::DIV
 "div r<RS>, r<RT>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_div (SD_, RS, RT);
 }
@@ -1349,20 +920,9 @@
 000000,5.RS,5.RT,0000000000011011:SPECIAL:32::DIVU
 "divu r<RS>, r<RT>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_divu (SD_, RS, RT);
 }
@@ -1437,12 +997,7 @@
 000000,5.RS,5.RT,0000000000011100:SPECIAL:64::DMULT
 "dmult r<RS>, r<RT>"
 *mipsIII,mipsIV:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
+*vr4100:
 {
   do_dmult (SD_, RS, RT, 0);
 }
@@ -1451,9 +1006,6 @@
 "dmult r<RS>, r<RT>":RD == 0
 "dmult r<RD>, r<RS>, r<RT>"
 *vr5000:
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 {
   do_dmult (SD_, RS, RT, RD);
 }
@@ -1468,12 +1020,7 @@
 000000,5.RS,5.RT,0000000000011101:SPECIAL:64::DMULTU
 "dmultu r<RS>, r<RT>"
 *mipsIII,mipsIV:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
+*vr4100:
 {
   do_dmultu (SD_, RS, RT, 0);
 }
@@ -1482,35 +1029,30 @@
 "dmultu r<RD>, r<RS>, r<RT>":RD == 0
 "dmultu r<RS>, r<RT>"
 *vr5000:
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 {
   do_dmultu (SD_, RS, RT, RD);
 }
 
+:function:::void:do_dsll:int rt, int rd, int shift
+{
+  GPR[rd] = GPR[rt] << shift;
+}
+
+:function:::void:do_dsllv:int rs, int rt, int rd
+{
+  int s = MASKED64 (GPR[rs], 5, 0);
+  GPR[rd] = GPR[rt] << s;
+}
 
 
 00000000000,5.RT,5.RD,5.SHIFT,111000:SPECIAL:64::DSLL
 "dsll r<RD>, r<RT>, <SHIFT>"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
-  int s = SHIFT;
-  GPR[RD] = GPR[RT] << s;
+{
+  do_dsll (SD_, RT, RD, SHIFT);
 }
 
 
@@ -1518,70 +1060,37 @@
 "dsll32 r<RD>, r<RT>, <SHIFT>"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   int s = 32 + SHIFT;
   GPR[RD] = GPR[RT] << s;
 }
 
-
-
 000000,5.RS,5.RT,5.RD,00000010100:SPECIAL:64::DSLLV
 "dsllv r<RD>, r<RT>, r<RS>"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
-  int s = MASKED64 (GPR[RS], 5, 0);
-  GPR[RD] = GPR[RT] << s;
+{
+  do_dsllv (SD_, RS, RT, RD);
 }
 
+:function:::void:do_dsra:int rt, int rd, int shift
+{
+  GPR[rd] = ((signed64) GPR[rt]) >> shift;
+}
 
 
 00000000000,5.RT,5.RD,5.SHIFT,111011:SPECIAL:64::DSRA
 "dsra r<RD>, r<RT>, <SHIFT>"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
-  int s = SHIFT;
-  GPR[RD] = ((signed64) GPR[RT]) >> s;
+{
+  do_dsra (SD_, RT, RD, SHIFT);
 }
 
 
@@ -1589,19 +1098,8 @@
 "dsra32 r<RT>, r<RD>, <SHIFT>"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   int s = 32 + SHIFT;
   GPR[RD] = ((signed64) GPR[RT]) >> s;
@@ -1620,44 +1118,26 @@
 "dsra32 r<RT>, r<RD>, r<RS>"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_dsrav (SD_, RS, RT, RD);
 }
 
+:function:::void:do_dsrl:int rt, int rd, int shift
+{
+  GPR[rd] = (unsigned64) GPR[rt] >> shift;
+}
+
 
 00000000000,5.RT,5.RD,5.SHIFT,111010:SPECIAL:64::DSRL
 "dsrl r<RD>, r<RT>, <SHIFT>"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
-  int s = SHIFT;
-  GPR[RD] = (unsigned64) GPR[RT] >> s;
+{
+  do_dsrl (SD_, RT, RD, SHIFT);
 }
 
 
@@ -1665,45 +1145,30 @@
 "dsrl32 r<RD>, r<RT>, <SHIFT>"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   int s = 32 + SHIFT;
   GPR[RD] = (unsigned64) GPR[RT] >> s;
 }
 
 
+:function:::void:do_dsrlv:int rs, int rt, int rd
+{
+  int s = MASKED64 (GPR[rs], 5, 0);
+  GPR[rd] = (unsigned64) GPR[rt] >> s;
+}
+
+
+
 000000,5.RS,5.RT,5.RD,00000010110:SPECIAL:64::DSRLV
 "dsrl32 r<RD>, r<RT>, r<RS>"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
-  int s = MASKED64 (GPR[RS], 5, 0);
-  GPR[RD] = (unsigned64) GPR[RT] >> s;
+{
+  do_dsrlv (SD_, RS, RT, RD);
 }
 
 
@@ -1711,19 +1176,8 @@
 "dsub r<RD>, r<RS>, r<RT>"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
   {
@@ -1746,19 +1200,8 @@
 "dsubu r<RD>, r<RS>, r<RT>"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_dsubu (SD_, RS, RT, RD);
 }
@@ -1767,20 +1210,9 @@
 000010,26.INSTR_INDEX:NORMAL:32::J
 "j <INSTR_INDEX>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   /* NOTE: The region used is that of the delay slot NIA and NOT the
      current instruction */
@@ -1792,20 +1224,9 @@
 000011,26.INSTR_INDEX:NORMAL:32::JAL
 "jal <INSTR_INDEX>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   /* NOTE: The region used is that of the delay slot and NOT the
      current instruction */
@@ -1814,25 +1235,13 @@
   DELAY_SLOT (region | (INSTR_INDEX << 2));
 }
 
-
 000000,5.RS,00000,5.RD,00000001001:SPECIAL:32::JALR
 "jalr r<RS>":RD == 31
 "jalr r<RD>, r<RS>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   address_word temp = GPR[RS];
   GPR[RD] = CIA + 8;
@@ -1843,20 +1252,9 @@
 000000,5.RS,000000000000000001000:SPECIAL:32::JR
 "jr r<RS>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   DELAY_SLOT (GPR[RS]);
 }
@@ -1875,7 +1273,9 @@
 
   vaddr = base + offset;
   if ((vaddr & access) != 0)
-    SignalExceptionAddressLoad ();
+    {
+      SIM_CORE_SIGNAL (SD, STATE_CPU (SD, 0), cia, read_map, access+1, vaddr, read_transfer, sim_core_unaligned_signal);
+    }
   AddressTranslation (vaddr, isDATA, isLOAD, &paddr, &uncached, isTARGET, isREAL);
   paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian));
   LoadMemory (&memval, NULL, uncached, access, paddr, vaddr, isDATA, isREAL);
@@ -1887,20 +1287,9 @@
 100000,5.BASE,5.RT,16.OFFSET:NORMAL:32::LB
 "lb r<RT>, <OFFSET>(r<BASE>)"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   GPR[RT] = EXTEND8 (do_load (SD_, AccessLength_BYTE, GPR[BASE], EXTEND16 (OFFSET)));
 }
@@ -1909,20 +1298,9 @@
 100100,5.BASE,5.RT,16.OFFSET:NORMAL:32::LBU
 "lbu r<RT>, <OFFSET>(r<BASE>)"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   GPR[RT] = do_load (SD_, AccessLength_BYTE, GPR[BASE], EXTEND16 (OFFSET));
 }
@@ -1932,19 +1310,8 @@
 "ld r<RT>, <OFFSET>(r<BASE>)"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   GPR[RT] = EXTEND64 (do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET)));
 }
@@ -1955,17 +1322,9 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   COP_LD (ZZ, RT, do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET)));
 }
@@ -1977,19 +1336,8 @@
 "ldl r<RT>, <OFFSET>(r<BASE>)"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   GPR[RT] = do_load_left (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
 }
@@ -1999,19 +1347,8 @@
 "ldr r<RT>, <OFFSET>(r<BASE>)"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   GPR[RT] = do_load_right (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
 }
@@ -2020,20 +1357,9 @@
 100001,5.BASE,5.RT,16.OFFSET:NORMAL:32::LH
 "lh r<RT>, <OFFSET>(r<BASE>)"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   GPR[RT] = EXTEND16 (do_load (SD_, AccessLength_HALFWORD, GPR[BASE], EXTEND16 (OFFSET)));
 }
@@ -2042,20 +1368,9 @@
 100101,5.BASE,5.RT,16.OFFSET:NORMAL:32::LHU
 "lhu r<RT>, <OFFSET>(r<BASE>)"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   GPR[RT] = do_load (SD_, AccessLength_HALFWORD, GPR[BASE], EXTEND16 (OFFSET));
 }
@@ -2066,19 +1381,8 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
@@ -2089,7 +1393,9 @@
     address_word paddr;
     int uncached;
     if ((vaddr & 3) != 0)
-      SignalExceptionAddressLoad();
+      {
+        SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, read_transfer, sim_core_unaligned_signal);
+      }
     else
       {
        if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
@@ -2116,19 +1422,8 @@
 "lld r<RT>, <OFFSET>(r<BASE>)"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
@@ -2139,7 +1434,9 @@
     address_word paddr;
     int uncached;
     if ((vaddr & 7) != 0)
-      SignalExceptionAddressLoad();
+      {
+       SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 8, vaddr, read_transfer, sim_core_unaligned_signal);
+      }
     else
       {
        if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
@@ -2158,20 +1455,9 @@
 001111,00000,5.RT,16.IMMEDIATE:NORMAL:32::LUI
 "lui r<RT>, <IMMEDIATE>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   TRACE_ALU_INPUT1 (IMMEDIATE);
   GPR[RT] = EXTEND32 (IMMEDIATE << 16);
@@ -2182,20 +1468,9 @@
 100011,5.BASE,5.RT,16.OFFSET:NORMAL:32::LW
 "lw r<RT>, <OFFSET>(r<BASE>)"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   GPR[RT] = EXTEND32 (do_load (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET)));
 }
@@ -2204,20 +1479,9 @@
 1100,ZZ!0!1!3,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWCz
 "lwc<ZZ> r<RT>, <OFFSET>(r<BASE>)"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   COP_LW (ZZ, RT, do_load (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET)));
 }
@@ -2283,22 +1547,11 @@
 100010,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWL
 "lwl r<RT>, <OFFSET>(r<BASE>)"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
-  GPR[RT] = EXTEND32 (do_load_left (SD_, AccessLength_WORD, GPR[BASE], EXTEND32 (OFFSET), GPR[RT]));
+  GPR[RT] = EXTEND32 (do_load_left (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]));
 }
 
 
@@ -2336,20 +1589,9 @@
 100110,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWR
 "lwr r<RT>, <OFFSET>(r<BASE>)"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   GPR[RT] = EXTEND32 (do_load_right (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]));
 }
@@ -2359,19 +1601,8 @@
 "lwu r<RT>, <OFFSET>(r<BASE>)"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   GPR[RT] = do_load (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET));
 }
@@ -2388,20 +1619,9 @@
 000000,0000000000,5.RD,00000,010000:SPECIAL:32::MFHI
 "mfhi r<RD>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_mfhi (SD_, RD);
 }
@@ -2419,20 +1639,9 @@
 000000,0000000000,5.RD,00000,010010:SPECIAL:32::MFLO
 "mflo r<RD>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_mflo (SD_, RD);
 }
@@ -2443,15 +1652,6 @@
 "movn r<RD>, r<RS>, r<RT>"
 *mipsIV:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 {
   if (GPR[RT] != 0)
     GPR[RD] = GPR[RS];
@@ -2463,15 +1663,6 @@
 "movz r<RD>, r<RS>, r<RT>"
 *mipsIV:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 {
   if (GPR[RT] == 0)
     GPR[RD] = GPR[RS];
@@ -2482,20 +1673,9 @@
 000000,5.RS,000000000000000,010001:SPECIAL:32::MTHI
 "mthi r<RS>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   check_mt_hilo (SD_, HIHISTORY);
   HI = GPR[RS];
@@ -2506,20 +1686,9 @@
 000000,5.RS,000000000000000010011:SPECIAL:32::MTLO
 "mtlo r<RS>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   check_mt_hilo (SD_, LOHISTORY);
   LO = GPR[RS];
@@ -2544,9 +1713,7 @@
 000000,5.RS,5.RT,00000,00000011000:SPECIAL:32::MULT
 "mult r<RS>, r<RT>"
 *mipsI,mipsII,mipsIII,mipsIV:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
+*vr4100:
 {
   do_mult (SD_, RS, RT, 0);
 }
@@ -2555,16 +1722,7 @@
 000000,5.RS,5.RT,5.RD,00000011000:SPECIAL:32::MULT
 "mult r<RD>, r<RS>, r<RT>"
 *vr5000:
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_mult (SD_, RS, RT, RD);
 }
@@ -2587,9 +1745,7 @@
 000000,5.RS,5.RT,00000,00000011001:SPECIAL:32::MULTU
 "multu r<RS>, r<RT>"
 *mipsI,mipsII,mipsIII,mipsIV:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
+*vr4100:
 {
   do_multu (SD_, RS, RT, 0);
 }
@@ -2597,16 +1753,7 @@
 000000,5.RS,5.RT,5.RD,00000011001:SPECIAL:32::MULTU
 "multu r<RD>, r<RS>, r<RT>"
 *vr5000:
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_multu (SD_, RS, RT, 0);
 }
@@ -2622,20 +1769,9 @@
 000000,5.RS,5.RT,5.RD,00000,100111:SPECIAL:32::NOR
 "nor r<RD>, r<RS>, r<RT>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_nor (SD_, RS, RT, RD);
 }
@@ -2651,20 +1787,9 @@
 000000,5.RS,5.RT,5.RD,00000,100101:SPECIAL:32::OR
 "or r<RD>, r<RS>, r<RT>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_or (SD_, RS, RT, RD);
 }
@@ -2681,20 +1806,9 @@
 001101,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ORI
 "ori r<RT>, r<RS>, <IMMEDIATE>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_ori (SD_, RS, RT, IMMEDIATE);
 }
@@ -2703,15 +1817,6 @@
 110011,5.RS,nnnnn,16.OFFSET:NORMAL:32::PREF
 *mipsIV:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 {
   unsigned32 instruction = instruction_0;
   signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
@@ -2741,7 +1846,9 @@
 
   vaddr = base + offset;
   if ((vaddr & access) != 0)
-    SignalExceptionAddressStore ();
+    {
+      SIM_CORE_SIGNAL (SD, STATE_CPU(SD, 0), cia, read_map, access+1, vaddr, write_transfer, sim_core_unaligned_signal);
+    }
   AddressTranslation (vaddr, isDATA, isSTORE, &paddr, &uncached, isTARGET, isREAL);
   paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian));
   byte = ((vaddr & mask) ^ bigendiancpu);
@@ -2753,20 +1860,9 @@
 101000,5.BASE,5.RT,16.OFFSET:NORMAL:32::SB
 "sb r<RT>, <OFFSET>(r<BASE>)"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_store (SD_, AccessLength_BYTE, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
 }
@@ -2777,19 +1873,8 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
@@ -2800,7 +1885,9 @@
     address_word paddr;
     int uncached;
     if ((vaddr & 3) != 0)
-      SignalExceptionAddressStore();
+      {
+       SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, write_transfer, sim_core_unaligned_signal);
+      }
     else
       {
        if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
@@ -2827,19 +1914,8 @@
 "scd r<RT>, <OFFSET>(r<BASE>)"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
@@ -2850,7 +1926,9 @@
     address_word paddr;
     int uncached;
     if ((vaddr & 7) != 0)
-      SignalExceptionAddressStore();
+      {
+       SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 8, vaddr, write_transfer, sim_core_unaligned_signal);
+      }
     else
       {
        if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
@@ -2873,19 +1951,8 @@
 "sd r<RT>, <OFFSET>(r<BASE>)"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_store (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
 }
@@ -2896,16 +1963,8 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_store (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), COP_SD (ZZ, RT));
 }
@@ -2915,19 +1974,8 @@
 "sdl r<RT>, <OFFSET>(r<BASE>)"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_store_left (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
 }
@@ -2937,19 +1985,8 @@
 "sdr r<RT>, <OFFSET>(r<BASE>)"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_store_right (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
 }
@@ -2958,20 +1995,9 @@
 101001,5.BASE,5.RT,16.OFFSET:NORMAL:32::SH
 "sh r<RT>, <OFFSET>(r<BASE>)"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_store (SD_, AccessLength_HALFWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
 }
@@ -2988,20 +2014,9 @@
 00000000000,5.RT,5.RD,5.SHIFT,000000:SPECIAL:32::SLL
 "sll r<RD>, r<RT>, <SHIFT>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_sll (SD_, RT, RD, SHIFT);
 }
@@ -3019,20 +2034,9 @@
 000000,5.RS,5.RT,5.RD,00000000100:SPECIAL:32::SLLV
 "sllv r<RD>, r<RT>, r<RS>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_sllv (SD_, RS, RT, RD);
 }
@@ -3048,20 +2052,9 @@
 000000,5.RS,5.RT,5.RD,00000101010:SPECIAL:32::SLT
 "slt r<RD>, r<RS>, r<RT>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_slt (SD_, RS, RT, RD);
 }
@@ -3077,20 +2070,9 @@
 001010,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::SLTI
 "slti r<RT>, r<RS>, <IMMEDIATE>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_slti (SD_, RS, RT, IMMEDIATE);
 }
@@ -3106,20 +2088,9 @@
 001011,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::SLTIU
 "sltiu r<RT>, r<RS>, <IMMEDIATE>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_sltiu (SD_, RS, RT, IMMEDIATE);
 }
@@ -3136,20 +2107,9 @@
 000000,5.RS,5.RT,5.RD,00000101011:SPECIAL:32::SLTU
 "sltu r<RD>, r<RS>, r<RT>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_sltu (SD_, RS, RT, RD);
 }
@@ -3166,20 +2126,9 @@
 000000,00000,5.RT,5.RD,5.SHIFT,000011:SPECIAL:32::SRA
 "sra r<RD>, r<RT>, <SHIFT>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_sra (SD_, RT, RD, SHIFT);
 }
@@ -3198,20 +2147,9 @@
 000000,5.RS,5.RT,5.RD,00000000111:SPECIAL:32::SRAV
 "srav r<RD>, r<RT>, r<RS>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_srav (SD_, RS, RT, RD);
 }
@@ -3229,20 +2167,9 @@
 000000,00000,5.RT,5.RD,5.SHIFT,000010:SPECIAL:32::SRL
 "srl r<RD>, r<RT>, <SHIFT>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_srl (SD_, RT, RD, SHIFT);
 }
@@ -3260,20 +2187,9 @@
 000000,5.RS,5.RT,5.RD,00000000110:SPECIAL:32::SRLV
 "srlv r<RD>, r<RT>, r<RS>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_srlv (SD_, RS, RT, RD);
 }
@@ -3282,20 +2198,9 @@
 000000,5.RS,5.RT,5.RD,00000100010:SPECIAL:32::SUB
 "sub r<RD>, r<RS>, r<RT>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
   {
@@ -3317,20 +2222,9 @@
 000000,5.RS,5.RT,5.RD,00000100011:SPECIAL:32::SUBU
 "subu r<RD>, r<RS>, r<RT>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_subu (SD_, RS, RT, RD);
 }
@@ -3339,20 +2233,9 @@
 101011,5.BASE,5.RT,16.OFFSET:NORMAL:32::SW
 "sw r<RT>, <OFFSET>(r<BASE>)"
 *mipsI,mipsII,mipsIII,mipsIV:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
 *r3900:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
 *vr5000:
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 {
   do_store (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
 }
@@ -3361,17 +2244,9 @@
 1110,ZZ!0!1!3,5.BASE,5.RT,16.OFFSET:NORMAL:32::SWCz
 "swc<ZZ> r<RT>, <OFFSET>(r<BASE>)"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_store (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), COP_SW (ZZ, RT));
 }
@@ -3427,20 +2302,9 @@
 101010,5.BASE,5.RT,16.OFFSET:NORMAL:32::SWL
 "swl r<RT>, <OFFSET>(r<BASE>)"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_store_left (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
 }
@@ -3470,20 +2334,9 @@
 101110,5.BASE,5.RT,16.OFFSET:NORMAL:32::SWR
 "swr r<RT>, <OFFSET>(r<BASE>)"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_store_right (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
 }
@@ -3495,20 +2348,9 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   SyncOperation (STYPE);
 }
@@ -3517,20 +2359,9 @@
 000000,20.CODE,001100:SPECIAL:32::SYSCALL
 "syscall <CODE>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   SignalException(SystemCall, instruction_0);
 }
@@ -3541,19 +2372,8 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   if ((signed_word) GPR[RS] == (signed_word) GPR[RT])
     SignalException(Trap, instruction_0);
@@ -3565,19 +2385,8 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   if ((signed_word) GPR[RS] == (signed_word) EXTEND16 (IMMEDIATE))
     SignalException(Trap, instruction_0);
@@ -3589,19 +2398,8 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   if ((signed_word) GPR[RS] >= (signed_word) GPR[RT])
     SignalException(Trap, instruction_0);
@@ -3613,19 +2411,8 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   if ((signed_word) GPR[RS] >= (signed_word) EXTEND16 (IMMEDIATE))
     SignalException(Trap, instruction_0);
@@ -3637,19 +2424,8 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   if ((unsigned_word) GPR[RS] >= (unsigned_word) EXTEND16 (IMMEDIATE))
     SignalException(Trap, instruction_0);
@@ -3661,19 +2437,8 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   if ((unsigned_word) GPR[RS] >= (unsigned_word) GPR[RT])
     SignalException(Trap, instruction_0);
@@ -3685,19 +2450,8 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   if ((signed_word) GPR[RS] < (signed_word) GPR[RT])
     SignalException(Trap, instruction_0);
@@ -3709,19 +2463,8 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   if ((signed_word) GPR[RS] < (signed_word) EXTEND16 (IMMEDIATE))
     SignalException(Trap, instruction_0);
@@ -3733,19 +2476,8 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   if ((unsigned_word) GPR[RS] < (unsigned_word) EXTEND16 (IMMEDIATE))
     SignalException(Trap, instruction_0);
@@ -3757,19 +2489,8 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   if ((unsigned_word) GPR[RS] < (unsigned_word) GPR[RT])
     SignalException(Trap, instruction_0);
@@ -3781,19 +2502,8 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   if ((signed_word) GPR[RS] != (signed_word) GPR[RT])
     SignalException(Trap, instruction_0);
@@ -3805,19 +2515,8 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   if ((signed_word) GPR[RS] != (signed_word) EXTEND16 (IMMEDIATE))
     SignalException(Trap, instruction_0);
@@ -3834,20 +2533,9 @@
 000000,5.RS,5.RT,5.RD,00000100110:SPECIAL:32::XOR
 "xor r<RD>, r<RS>, r<RT>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_xor (SD_, RS, RT, RD);
 }
@@ -3863,20 +2551,9 @@
 001110,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::XORI
 "xori r<RT>, r<RS>, <IMMEDIATE>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_xori (SD_, RS, RT, IMMEDIATE);
 }
@@ -3955,17 +2632,9 @@
 010001,10,3.FMT,00000,5.FS,5.FD,000101:COP1:32,f::ABS.fmt
 "abs.%s<FMT> f<FD>, f<FS>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -3984,17 +2653,9 @@
 010001,10,3.FMT,5.FT,5.FS,5.FD,000000:COP1:32,f::ADD.fmt
 "add.%s<FMT> f<FD>, f<FS>, f<FT>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -4016,12 +2677,9 @@
 // BC1T
 // BC1TL
 
-010001,01000,3.0,1.ND,1.TF,16.OFFSET:COP1S:32,f::BC1
+010001,01000,3.0,1.ND,1.TF,16.OFFSET:COP1S:32,f::BC1a
 "bc1%s<TF>%s<ND> <OFFSET>"
 *mipsI,mipsII,mipsIII:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 {
   check_branch_bug ();
   TRACE_BRANCH_INPUT (PREVCOC1());
@@ -4043,21 +2701,13 @@
     }
 }
 
-010001,01000,3.CC,1.ND,1.TF,16.OFFSET:COP1S:32,f::BC1
+010001,01000,3.CC,1.ND,1.TF,16.OFFSET:COP1S:32,f::BC1b
 "bc1%s<TF>%s<ND> <OFFSET>":CC == 0
 "bc1%s<TF>%s<ND> <CC>, <OFFSET>"
 *mipsIV:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
+#*vr4100:
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   check_branch_bug ();
   if (GETFCC(CC) == TF)
@@ -4117,28 +2767,20 @@
     }
 }
 
-010001,10,3.FMT,5.FT,5.FS,3.0,00,11,4.COND:COP1:32::C.cond.fmt
-*mipsI,mipsII,mipsIII:
+010001,10,3.FMT,5.FT,5.FS,3.0,00,11,4.COND:COP1:32::C.cond.fmta
 "c.%s<COND>.%s<FMT> f<FS>, f<FT>"
+*mipsI,mipsII,mipsIII:
 {
   do_c_cond_fmt (SD_, FMT, FT, FS, 0, COND, instruction_0);
 }
 
-010001,10,3.FMT,5.FT,5.FS,3.CC,00,11,4.COND:COP1:32::C.cond.fmt
+010001,10,3.FMT,5.FT,5.FS,3.CC,00,11,4.COND:COP1:32::C.cond.fmtb
 "c.%s<COND>.%s<FMT> f<FS>, f<FT>":CC == 0
 "c.%s<COND>.%s<FMT> <CC>, f<FS>, f<FT>"
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_c_cond_fmt (SD_, FMT, FT, FS, CC, COND, instruction_0);
 }
@@ -4148,20 +2790,9 @@
 "ceil.l.%s<FMT> f<FD>, f<FS>"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -4180,20 +2811,9 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -4210,7 +2830,7 @@
 
 // CFC1
 // CTC1
-010001,00,X,10,5.RT,5.FS,00000000000:COP1S:32::CxC1
+010001,00,X,10,5.RT,5.FS,00000000000:COP1Sa:32::CxC1
 "c%s<X>c1 r<RT>, f<FS>"
 *mipsI:
 *mipsII:
@@ -4234,20 +2854,12 @@
       /* else NOP */
     }
 }
-010001,00,X,10,5.RT,5.FS,00000000000:COP1S:32::CxC1
+010001,00,X,10,5.RT,5.FS,00000000000:COP1Sb:32::CxC1
 "c%s<X>c1 r<RT>, f<FS>"
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   if (X)
     {
@@ -4294,17 +2906,9 @@
 010001,10,3.FMT,00000,5.FS,5.FD,100001:COP1:32::CVT.D.fmt
 "cvt.d.%s<FMT> f<FD>, f<FS>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -4323,17 +2927,9 @@
 "cvt.l.%s<FMT> f<FD>, f<FS>"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -4354,17 +2950,9 @@
 010001,10,3.FMT,00000,5.FS,5.FD,100000:COP1:32::CVT.S.fmt
 "cvt.s.%s<FMT> f<FD>, f<FS>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -4382,17 +2970,9 @@
 010001,10,3.FMT,00000,5.FS,5.FD,100100:COP1:32::CVT.W.fmt
 "cvt.w.%s<FMT> f<FD>, f<FS>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -4410,17 +2990,9 @@
 010001,10,3.FMT,5.FT,5.FS,5.FD,000011:COP1:32::DIV.fmt
 "div.%s<FMT> f<FD>, f<FS>, f<FT>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -4438,7 +3010,7 @@
 
 // DMFC1
 // DMTC1
-010001,00,X,01,5.RT,5.FS,00000000000:COP1S:64::DMxC1
+010001,00,X,01,5.RT,5.FS,00000000000:COP1Sa:64::DMxC1
 "dm%s<X>c1 r<RT>, f<FS>"
 *mipsIII:
 {
@@ -4462,23 +3034,12 @@
        PENDING_FILL(RT,SET64HI(0xDEADC0DE) | 0xBAD0BAD0);
     }
 }
-010001,00,X,01,5.RT,5.FS,00000000000:COP1S:64::DMxC1
+010001,00,X,01,5.RT,5.FS,00000000000:COP1Sb:64::DMxC1
 "dm%s<X>c1 r<RT>, f<FS>"
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   if (X)
     {
@@ -4503,20 +3064,9 @@
 "floor.l.%s<FMT> f<FD>, f<FS>"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -4536,20 +3086,9 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -4569,17 +3108,9 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   COP_LD (1, FT, do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET)));
 }
@@ -4589,12 +3120,6 @@
 "ldxc1 f<FD>, r<INDEX>(r<BASE>)"
 *mipsIV:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 {
   COP_LD (1, FD, do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], GPR[INDEX]));
 }
@@ -4604,20 +3129,9 @@
 110001,5.BASE,5.FT,16.OFFSET:COP1:32::LWC1 
 "lwc1 f<FT>, <OFFSET>(r<BASE>)"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   COP_LW (1, FT, do_load (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET)));
 }
@@ -4627,12 +3141,6 @@
 "lwxc1 f<FD>, r<INDEX>(r<BASE>)"
 *mipsIV:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 {
   COP_LW (1, FD, do_load (SD_, AccessLength_WORD, GPR[BASE], GPR[INDEX]));
 }
@@ -4646,12 +3154,6 @@
 "madd.d f<FD>, f<FR>, f<FS>, f<FT>"
 *mipsIV:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -4668,12 +3170,6 @@
 "madd.s f<FD>, f<FR>, f<FS>, f<FT>"
 *mipsIV:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -4688,7 +3184,7 @@
 
 // MFC1
 // MTC1
-010001,00,X,00,5.RT,5.FS,00000000000:COP1S:32::MxC1
+010001,00,X,00,5.RT,5.FS,00000000000:COP1Sa:32::MxC1
 "m%s<X>c1 r<RT>, f<FS>"
 *mipsI:
 *mipsII:
@@ -4704,21 +3200,14 @@
   else /*MFC1*/
     PENDING_FILL (RT, SIGNEXTEND(FGR[FS],32));
 }
-010001,00,X,00,5.RT,5.FS,00000000000:COP1S:32::MxC1
+010001,00,X,00,5.RT,5.FS,00000000000:COP1Sb:32::MxC1
 "m%s<X>c1 r<RT>, f<FS>"
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
+  int fs = FS;
   if (X)
     /*MTC1*/
     StoreFPR (FS, fmt_uninterpreted_32, VL4_8 (GPR[RT]));
@@ -4730,17 +3219,9 @@
 010001,10,3.FMT,00000,5.FS,5.FD,000110:COP1:32::MOV.fmt
 "mov.%s<FMT> f<FD>, f<FS>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -4757,15 +3238,6 @@
 "mov%s<TF> r<RD>, r<RS>, <CC>"
 *mipsIV:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 {
   if (GETFCC(CC) == TF)
     GPR[RD] = GPR[RS];
@@ -4777,15 +3249,6 @@
 "mov%s<TF>.%s<FMT> f<FD>, f<FS>, <CC>"
 *mipsIV:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 {
   unsigned32 instruction = instruction_0;
   int format = ((instruction >> 21) & 0x00000007);
@@ -4801,15 +3264,6 @@
 010001,10,3.FMT,5.RT,5.FS,5.FD,010011:COP1:32::MOVN.fmt
 *mipsIV:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -4832,15 +3286,6 @@
 "movz.%s<FMT> f<FD>, f<FS>, r<RT>"
 *mipsIV:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -4857,15 +3302,6 @@
 "msub.d f<FD>, f<FR>, f<FS>, f<FT>"
 *mipsIV:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -4883,15 +3319,6 @@
 "msub.s f<FD>, f<FR>, f<FS>, f<FT>"
 *mipsIV:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -4910,17 +3337,9 @@
 010001,10,3.FMT,5.FT,5.FS,5.FD,000010:COP1:32::MUL.fmt
 "mul.%s<FMT> f<FD>, f<FS>, f<FT>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -4939,17 +3358,9 @@
 010001,10,3.FMT,00000,5.FS,5.FD,000111:COP1:32::NEG.fmt
 "neg.%s<FMT> f<FD>, f<FS>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -4969,12 +3380,6 @@
 "nmadd.d f<FD>, f<FR>, f<FS>, f<FT>"
 *mipsIV:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -4992,12 +3397,6 @@
 "nmadd.s f<FD>, f<FR>, f<FS>, f<FT>"
 *mipsIV:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -5015,12 +3414,6 @@
 "nmsub.d f<FD>, f<FR>, f<FS>, f<FT>"
 *mipsIV:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -5038,12 +3431,6 @@
 "nmsub.s f<FD>, f<FR>, f<FS>, f<FT>"
 *mipsIV:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -5060,12 +3447,6 @@
 "prefx <HINT>, r<INDEX>(r<BASE>)"
 *mipsIV:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 {
   unsigned32 instruction = instruction_0;
   int fs = ((instruction >> 11) & 0x0000001F);
@@ -5084,12 +3465,6 @@
 *mipsIV:
 "recip.%s<FMT> f<FD>, f<FS>"
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -5108,20 +3483,9 @@
 "round.l.%s<FMT> f<FD>, f<FS>"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -5141,20 +3505,9 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -5173,12 +3526,6 @@
 *mipsIV:
 "rsqrt.%s<FMT> f<FD>, f<FS>"
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -5198,17 +3545,9 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   do_store (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), COP_SD (1, FT));
 }
@@ -5218,12 +3557,6 @@
 "ldxc1 f<FS>, r<INDEX>(r<BASE>)"
 *mipsIV:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 {
   do_store (SD_, AccessLength_DOUBLEWORD, GPR[BASE], GPR[INDEX], COP_SD (1, FS));
 }
@@ -5234,17 +3567,9 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -5262,17 +3587,9 @@
 010001,10,3.FMT,5.FT,5.FS,5.FD,000001:COP1:32::SUB.fmt
 "sub.%s<FMT> f<FD>, f<FS>, f<FT>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -5292,20 +3609,9 @@
 111001,5.BASE,5.FT,16.OFFSET:COP1:32::SWC1
 "swc1 f<FT>, <OFFSET>(r<BASE>)"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   signed_word offset = EXTEND16 (OFFSET);
@@ -5316,7 +3622,9 @@
     address_word paddr;
     int uncached;
     if ((vaddr & 3) != 0)
-      SignalExceptionAddressStore();
+      {
+       SIM_CORE_SIGNAL (SD, CPU, cia, read_map, AccessLength_WORD+1, vaddr, write_transfer, sim_core_unaligned_signal);
+      }
     else
       {
        if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
@@ -5341,12 +3649,6 @@
 "swxc1 f<FS>, r<INDEX>(r<BASE>)"
 *mipsIV:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 {
   unsigned32 instruction = instruction_0;
   int fs = ((instruction >> 11) & 0x0000001F);
@@ -5357,7 +3659,9 @@
    address_word paddr;
    int uncached;
    if ((vaddr & 3) != 0)
-    SignalExceptionAddressStore();
+     {
+       SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, write_transfer, sim_core_unaligned_signal);
+     }
    else
    {
     if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
@@ -5382,20 +3686,9 @@
 "trunc.l.%s<FMT> f<FD>, f<FS>"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -5415,20 +3708,9 @@
 *mipsII:
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   int destreg = ((instruction >> 6) & 0x0000001F);
@@ -5453,59 +3735,44 @@
 010000,01000,00000,16.OFFSET:COP0:32::BC0F
 "bc0f <OFFSET>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
+
+010000,01000,00000,16.OFFSET:COP0:32::BC0F
+"bc0f <OFFSET>"
+// stub needed for eCos as tx39 hardware bug workaround
+*r3900:
+{
+  /* do nothing */
+}
 
 
 010000,01000,00010,16.OFFSET:COP0:32::BC0FL
 "bc0fl <OFFSET>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 
 
 010000,01000,00001,16.OFFSET:COP0:32::BC0T
 "bc0t <OFFSET>"
 *mipsI,mipsII,mipsIII,mipsIV:
-
+*vr4100:
 
 
 010000,01000,00011,16.OFFSET:COP0:32::BC0TL
 "bc0tl <OFFSET>"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 
 
 101111,5.BASE,5.OP,16.OFFSET:NORMAL:32::CACHE
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   unsigned32 instruction = instruction_0;
   signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
@@ -5524,41 +3791,23 @@
 010000,10000,000000000000000,111001:COP0:32::DI
 "di"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 
 
 010000,10000,000000000000000,111000:COP0:32::EI
 "ei"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 
 
 010000,10000,000000000000000,011000:COP0:32::ERET
 "eret"
 *mipsIII:
 *mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 {
   if (SR & status_ERL)
     {
@@ -5579,16 +3828,8 @@
 "mfc0 r<RT>, r<RD> # <REGX>"
 *mipsI,mipsII,mipsIII,mipsIV:
 *r3900:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 {
   TRACE_ALU_INPUT0 ();
   DecodeCoproc (instruction_0);
@@ -5598,20 +3839,9 @@
 010000,00100,5.RT,5.RD,00000,6.REGX:COP0:32::MTC0
 "mtc0 r<RT>, r<RD> # <REGX>"
 *mipsI,mipsII,mipsIII,mipsIV:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 *r3900:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
+*vr4100:
 *vr5000:
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 {
   DecodeCoproc (instruction_0);
 }
@@ -5620,20 +3850,9 @@
 010000,10000,000000000000000,010000:COP0:32::RFE
 "rfe"
 *mipsI,mipsII,mipsIII,mipsIV:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 *r3900:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
+*vr4100:
 *vr5000:
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
 {
   DecodeCoproc (instruction_0);
 }
@@ -5642,13 +3861,8 @@
 0100,ZZ!0!1!3,5.COP_FUN0!8,5.COP_FUN1,16.COP_FUN2:NORMAL:32::COPz
 "cop<ZZ> <COP_FUN0><COP_FUN1><COP_FUN2>"
 *mipsI,mipsII,mipsIII,mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*vr4100:
 *r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
 {
   DecodeCoproc (instruction_0);
 }
@@ -5658,115 +3872,32 @@
 010000,10000,000000000000000,001000:COP0:32::TLBP
 "tlbp"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 
 
 010000,10000,000000000000000,000001:COP0:32::TLBR
 "tlbr"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 
 
 010000,10000,000000000000000,000010:COP0:32::TLBWI
 "tlbwi"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 
 
 010000,10000,000000000000000,000110:COP0:32::TLBWR
 "tlbwr"
 *mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
 *vr5000:
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
-// start-sanitize-cygnus
-*vr5400:
-// end-sanitize-cygnus
 
 \f
 :include:::m16.igen
-// start-sanitize-cygnus
-:include:64,f::mdmx.igen
-// end-sanitize-cygnus
-// start-sanitize-r5900
-:include::r5900:r5900.igen
-// end-sanitize-r5900
 :include:::tx.igen
 :include:::vr.igen
 \f
-// start-sanitize-cygnus-never
-
-// // FIXME FIXME FIXME What is this instruction?
-// 111011,5.RS,5.RT,16.OFFSET:NORMAL:32::<INT>
-// *mipsI:
-// *mipsII:
-// *mipsIII:
-// *mipsIV:
-// // start-sanitize-r5900
-// *r5900:
-// // end-sanitize-r5900
-// *r3900:
-// // start-sanitize-tx19
-// *tx19:
-// // end-sanitize-tx19
-// {
-//   unsigned32 instruction = instruction_0;
-//   signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
-//   signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
-//   signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
-//   {
-//     if (CoProcPresent(3))
-//       SignalException(CoProcessorUnusable);
-//     else
-//       SignalException(ReservedInstruction,instruction);
-//   }
-// }
-
-// end-sanitize-cygnus-never
-// start-sanitize-cygnus-never
-
-// // FIXME FIXME FIXME What is this?
-// 11100,******,00001:RR:16::SDBBP
-// *mips16:
-// {
-//   unsigned32 instruction = instruction_0;
-//   if (have_extendval)
-//     SignalException (ReservedInstruction, instruction);
-//   {
-//     SignalException(DebugBreakPoint,instruction);
-//   }
-// }
-
-// end-sanitize-cygnus-never
-// start-sanitize-cygnus-never
-
-// // FIXME FIXME FIXME What is this?
-// 000000,********************,001110:SPECIAL:32::SDBBP
-// *r3900:
-// {
-//   unsigned32 instruction = instruction_0;
-//   {
-//     SignalException(DebugBreakPoint,instruction);
-//   }
-// }
-
-// end-sanitize-cygnus-never