From: Earnie <ea...@us...> - 2011-11-17 21:29:56
|
Earnie wrote: >> 2) Experiment with spelling out the specific suboptions that are >> turned on by '-O1': >> http://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html >> Maybe there's a particular one that causes the problem and can be >> selectively turned off without losing too much speed. >> > > Yes, I plan to attempt this but after coming up with a minimal test that > fails. In other words what else in the code caused the array data to be > 0x00 for 256 items that didn't cause my already minimal test an issue. > And of course adding the flags manually as documented[1] for -O1 doesn't present the issue. So what happens in an undocumented manner? Is there a way to determine that? [1]http://bit.ly/sF1UdC -- Earnie -- https://sites.google.com/site/earnieboyd/ |