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Re: -mno-sse and -mno-sse2 broken on opteron?
On Thu, Jan 06, 2005 at 08:44:36PM +0100, Marcin Dalecki wrote:
> That's a non issue. You simply don't use floating point arithmetics
> when for kernels.
How naieve you are. The compiler is getting smart enough to use
SSE for non floating-point applications. While looking at a bug
the other week, I caught it doing exactly that with a bit of
If you're not either turning off sse, or saving and restoring all
sse state on entry to the kernel, then you risk data corruption.