Fix warnings + 1 thinko
added retention of '#' commented lines in .simg...
implemented dmb(ISHST) and dmb(ISHLD)
merge
Implemented dmb and made it handle ISH as well ...
implemented frintz instruction.
Move trace buffer to thread-local storage.
fixed signed multiply and division in case of M...
Pass illegal instruction traps to runtime.
Correct return types of dmem and qmem
Improve multi-threaded breakpoint performance