Cache vertex array pointers, a la magumagu's idea. Misc other stuff. Should give very minor speed boost.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2185 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/VideoCommon/Src/CPMemory.cpp

@@ -21,6 +21,7 @@
 // CP state
 // STATE_TO_SAVE
 u32 arraybases[16];
+u8 *cached_arraybases[16];
 u32 arraystrides[16];
 TMatrixIndexA MatrixIndexA;
 TMatrixIndexB MatrixIndexB;