On Thu, 2006-09-28 at 13:26 +0200, Jan Beulich wrote: > While I'm not certain whether gcc is able to split one function's code > between different sections
Yes. See the -freorder-blocks-and-partition option, which can move code to hot/cold sections. > However, when frame unwind information is generated, one quickly > becomes aware of a problem with this Yes, this has been a known problem for a long time. Unfortunately, I don't know if anyone has ever tried to solve it. Here is gcc's current solution: > aretha$ ./xgcc -B./ -g -freorder-blocks-and-partition -S tmp.c -funwind-tables > cc1: note: -freorder-blocks-and-partition does not support unwind info -- Jim Wilson, GNU Tools Support, http://www.specifix.com
