update CHANGES

bochs/CHANGES

@@ -8,6 +8,7 @@ Bochs repository moved to the SVN version control !
   - Added support for AVX instruction set emulation, to enable configure with
         --enable-avx option
   - Updated/Fixed instrumentation callbacks
+  - Bugfixes for CPU emulation correctness and stability
 
 - Configure and compile
   - Fixed Bochs manifest for Win64 compilation using Microsoft Visual Studio
@@ -32,11 +33,14 @@ Bochs repository moved to the SVN version control !
     - ported ES1370 soundcard emulation from Qemu, to enable configure with
         --enable-es1370 option
 
+- VGA BIOS
+
 - SF patches applied
   [3267459] fix xrandr related crash by Heikki Lindholm
   [3190995] add eth backend based on Slirp by Heikki Lindholm
 
 - these S.F. bugs were closed/fixed
+  [3260134] Failed to compile when trace cache disabled
   [3197425] Error compile with vmx in vs2008/2010 and for correct x64
 
 -------------------------------------------------------------------------

bochs/cpu/icache.h

@@ -114,6 +114,7 @@ struct bxICacheEntry_c
   Bit32u traceMask;
 
 #if BX_SUPPORT_TRACE_CACHE
+  Bit32u used;
   Bit32u tlen;          // Trace length in instructions
   bxInstruction_c *i;
 #else
@@ -163,6 +164,7 @@ public:
     }
     e->i = &mpool[mpindex];
     e->tlen = 0;
+    e->used = 0;
   }
 
   BX_CPP_INLINE void commit_trace(unsigned len) { mpindex += len; }