http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46928
davidxl <xinliangli at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |xinliangli at gmail dot com --- Comment #2 from davidxl <xinliangli at gmail dot com> 2010-12-13 18:38:40 UTC --- Is memset guaranteed to be asynchronous safe? Otherwise such transformation is not legal in signal handle code. Icc does not covert it to memset, but unrolls differently -- this is where the tuing in gcc should be done as well. David