On Thu, Oct 1, 2015 at 11:20 AM, Jordan Justen <jordan.l.jus...@intel.com> wrote: > On 2015-10-01 10:11:33, Matt Turner wrote: >> According to the Intel Software Development Manual: > > How about a more specific doc location? > > According to the Intel Software Development Manual (Volume 1: Basic > Architecture, 12.10.3 Streaming Load Hint Instruction):
Sure. Thanks for looking that up for me. >> Streaming loads may be weakly ordered and may appear to software to >> execute out of order with respect to other memory operations. >> Software must explicitly use fences (e.g. MFENCE) if it needs to >> preserve order among streaming loads or between streaming loads and >> other memory operations. > > Does this mean we need a mfence following the load as well? I didn't think so, and Joseph has confirmed. Can I consider this a Reviewed-by? _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
