Displaying 2 results from an estimated 2 matches for "movnta".
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2016 Jan 15
3
RFC: non-temporal fencing in LLVM IR
...e for the MFENCE case
whereas lock prefix instructions appear to be handled much better.
>
> What exactly would the non-temporal fences be? It seems that on x86,
> the load and store case may differ. In theory, there's also a before
> vs. after question. In practice code using MOVNTA seems to assume
> that you only need an SFENCE afterwards. I can't back that up with
> spec verbiage. I don't know about MOVNTDQA. What about ARM?
I'll leave this to JF to answer. I'm not knowledgeable enough about
non-temporals to answer without substantial research fi...
2016 Jan 14
2
RFC: non-temporal fencing in LLVM IR
On Thu, Jan 14, 2016 at 1:35 PM, David Majnemer <david.majnemer at gmail.com>
wrote:
>
>
> On Thu, Jan 14, 2016 at 1:13 PM, JF Bastien <jfb at google.com> wrote:
>
>> On Thu, Jan 14, 2016 at 1:10 PM, David Majnemer via llvm-dev <
>> llvm-dev at lists.llvm.org> wrote:
>>
>>>
>>>
>>> On Wed, Jan 13, 2016 at 7:00 PM, Hans