On Thursday 18 September 2008 05:45:54 Robert Connolly wrote: > While upgrading my desktop I added a couple new things to gcc's specs: > *cc1_options: > %{O3:%eDon't use -O3} %{march=i486:;:%{march=*:%eDon't set -march}} > This causes -O3, and -march={anything but i486}, to stop gcc, because I > don't want to use buggy gcc optimizations.
Hi, no -O3 is nice, but i486? It made like 15% on Xeon... that's a lot. Can you point me to some info on these optimization bugs? -- http://linuxfromscratch.org/mailman/listinfo/hlfs-dev FAQ: http://www.linuxfromscratch.org/faq/ Unsubscribe: See the above information page