Re: gcc4.7.2: try/finally, CLOBBER

2013-05-30 Thread Andrew Pinski
On Thu, May 30, 2013 at 3:31 PM, Ian Lance Taylor wrote: > On Thu, May 30, 2013 at 2:07 AM, Vini Kanvar wrote: >> >> gcc-4.7.2 adds exception handling constructs (try/finally block) for >> pointer and array variables. These variables are CLOBBERed in the >> finally block. > > I'm not sure what yo

Re: gcc4.7.2: try/finally, CLOBBER

2013-05-30 Thread Ian Lance Taylor
On Thu, May 30, 2013 at 2:07 AM, Vini Kanvar wrote: > > gcc-4.7.2 adds exception handling constructs (try/finally block) for > pointer and array variables. These variables are CLOBBERed in the > finally block. I'm not sure what you mean by this. An example might help. > What is the meaning and

gcc4.7.2: try/finally, CLOBBER

2013-05-30 Thread Vini Kanvar
Hi, gcc-4.7.2 adds exception handling constructs (try/finally block) for pointer and array variables. These variables are CLOBBERed in the finally block. What is the meaning and use of CLOBBER? In which cases is it required? What will happen if gcc does not CLOBBER these variables (e.g. gcc-4.6.2