Displaying 2 results from an estimated 2 matches for "none_useless_shuflle".
2014 Sep 20
2
[LLVMdev] Please benchmark new x86 vector shuffle lowering, planning to make it the default very soon!
After some adding some serious ninja-ry to the new shuffle lowering...
On Fri, Sep 19, 2014 at 11:53 AM, Quentin Colombet <qcolombet at apple.com>
wrote:
> 2. none_useless_shuflle none
> Instead of using a single move to materialize a zero extended constant
> into a vector register, we explicitly zeroed a vector register and use a
> shuffle.
>
... this test case is fixed, as is your 'pxor.ll' test case from earlier,
and the 'movss' test cases fro...
2014 Sep 10
13
[LLVMdev] Please benchmark new x86 vector shuffle lowering, planning to make it the default very soon!
On Tue, Sep 9, 2014 at 11:39 PM, Chandler Carruth <chandlerc at google.com> wrote:
> Awesome, thanks for all the information!
>
> See below:
>
> On Tue, Sep 9, 2014 at 6:13 AM, Andrea Di Biagio <andrea.dibiagio at gmail.com>
> wrote:
>>
>> You have already mentioned how the new shuffle lowering is missing
>> some features; for example, you explicitly