On Thu, Feb 18, 2010 at 02:09:14PM -0800, Jason Merrill wrote: > I periodically get bitten by bug 34115: a compiler configured without > --with-arch on i686-pc-linux-gnu doesn't support atomics. I think we > would only need to bump the default to i486 to get atomic support. Can > we reconsider the default for 4.5?
Is anyone still manufacturing x86 CPUs that don't support the atomic instructions?
