On 02/08/13 16:23, Peter Bergner wrote: > On Fri, 2013-08-02 at 15:16 +0200, Andreas Krebbel wrote: >> Since libitm implements TX begins as function calls only call-saved >> registers can be live across a >> tbegin. But all the call-saved FPRs are saved in _ITM_beginTransaction and >> get restored when doing >> the longjmp back into the user code. So this should be no problem. > > Except that the htm_begin() routines are declared static inline functions, > so when they're inlined, you aren't protected by the semantics of a call > anymore, are you?
They get inlined into libitm code but not into the user code. As I understand it in the user code will always be a call to _ITM_beginTransaction. -Andreas- > > Peter > > >
