On 04/15/2010 11:48 AM, David Howells wrote:
Avi Kivity<avi@xxxxxxxxxx> wrote:
Even if Intel processors behave that way, other processors (real and
emulated) use those manuals as a specification. Emulated processors are
unlikely to touch an undefined register, but real processors may.
(qemu tcg appears not to touch the output)
Possibly because the AMD64 spec specifies that the destination will be
unchanged if the source was 0.
Likely. But we haven't tested all current and future x86 clones, and
they may be based off the Intel documentation instead of the AMD
documentation.
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
--
To unsubscribe from this list: send the line "unsubscribe linux-arch" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html