On 09/25/2013 01:20 PM, Nathan Froyd wrote:
> While the generic SSE translation codepath contains special logic to use
> 32-bit or 64-bit memory operands for some instructions, this logic doesn't
> catch the SSE {,u}comis{s,d} instructions. This oversight leads to too
> many bytes being read when those instructions use memory operands, which
> can in turn lead to page faults.
>
> The fix is simple: add a special case for these instructions. It did not
> fit cleanly into the existing case, so some cut-and-paste was necesary.
>
> Signed-off-by: Nathan Froyd <froy...@mozilla.com>
> ---
> target-i386/translate.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
Reviewed-by: Richard Henderson <r...@twiddle.net>
r~
