On Mon, Jun 06, 2011 at 03:49:17PM +0100, Martin Simmons wrote: > Hi, > > While trying to use qemu -cpu pentium3 to test for incorrect uses of certain > SSE2 instructions, I found that QEMU allowed the mfence and lfence > instructions to be executed even though Pentium 3 doesn't support them. > > According to the processor specs (and experience on a real Pentium 3), these > instructions are only available with SSE2, but QEMU is checking for SSE. The > check for the related sfence instruction is correct (it works with SSE). > > This trival patch fixes the test: > > Signed-off-by: Martin Simmons <mar...@lispworks.com>
Thanks, applied to the trivial patches tree: http://repo.or.cz/w/qemu/stefanha.git/shortlog/refs/heads/trivial-patches Stefan
