Some kind of big change in fetchdecode tables invented in order to compress the tables for better host data cache utilization

bochs/cpu/cpu.h

@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// $Id: cpu.h,v 1.514 2008-08-27 21:57:40 sshwarts Exp $
+// $Id: cpu.h,v 1.515 2008-08-29 19:23:00 sshwarts Exp $
 /////////////////////////////////////////////////////////////////////////
 //
 //  Copyright (C) 2001  MandrakeSoft S.A.
@@ -3739,9 +3739,10 @@ IMPLEMENT_EFLAG_SET_ACCESSOR_TF(      8)
                                    // Group encoding: 111
 
 #define BxLockable          0x0080 // bit 7
+#define BxArithDstRM        0x0100 // bit 8
 
 #if BX_SUPPORT_TRACE_CACHE
-  #define BxTraceEnd        0x0100 // bit 8
+  #define BxTraceEnd        0x0200 // bit 9
 #else
   #define BxTraceEnd        0
 #endif

bochs/cpu/data_xfer8.cc

@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// $Id: data_xfer8.cc,v 1.42 2008-08-08 09:22:47 sshwarts Exp $
+// $Id: data_xfer8.cc,v 1.43 2008-08-29 19:23:00 sshwarts Exp $
 /////////////////////////////////////////////////////////////////////////
 //
 //  Copyright (C) 2001  MandrakeSoft S.A.
@@ -80,22 +80,18 @@ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOV_EbIbM(bxInstruction_c *i)
 
 void BX_CPP_AttrRegparmN(1) BX_CPU_C::XLAT(bxInstruction_c *i)
 {
-  bx_address offset;
-
 #if BX_SUPPORT_X86_64
   if (i->as64L()) {
-    offset = RBX;
+    AL = read_virtual_byte_64(i->seg(), RBX + AL);
   }
   else
 #endif
   if (i->as32L()) {
-    offset = EBX;
+    AL = read_virtual_byte(i->seg(), (Bit32u) (EBX + AL));
   }
   else {
-    offset =  BX;
+    AL = read_virtual_byte_32(i->seg(), (Bit16u) (BX + AL));
   }
-
-  AL = read_virtual_byte(i->seg(), offset + AL);
 }
 
 void BX_CPP_AttrRegparmN(1) BX_CPU_C::XCHG_EbGbM(bxInstruction_c *i)