Displaying 3 results from an estimated 3 matches for "nelzn3".
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2019 Sep 13
3
Side-channel resistant values
> On Sep 13, 2019, at 10:45 AM, Chandler Carruth <chandlerc at gmail.com> wrote:
>
> On Fri, Sep 13, 2019 at 1:33 AM David Zarzycki via llvm-dev <llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>> wrote:
> Hi Chandler,
>
> The data-invariant feature sounds great but what about the general case? When performance tuning code, people sometimes need
2019 Sep 14
2
Side-channel resistant values
....LBB0_2:
retq
> On Sep 14, 2019, at 12:18 AM, Sanjay Patel <spatel at rotateright.com> wrote:
>
> I'm not sure if this is the entire problem, but SimplifyCFG loses the 'unpredictable' metadata when it converts a set of cmp/br into a switch:
> https://godbolt.org/z/neLzN3
>
> Filed here:
> https://bugs.llvm.org/show_bug.cgi?id=43313
>
> On Fri, Sep 13, 2019 at 4:02 AM David Zarzycki via llvm-dev <llvm-dev at lists.llvm.org> wrote:
>
>
>> On Sep 13, 2019, at 10:45 AM, Chandler Carruth <chandlerc at gmail.com> wrote:
>>...
2019 Sep 14
2
Side-channel resistant values
...ep 14, 2019, at 12:18 AM, Sanjay Patel <spatel at rotateright.com> wrote:
>> >
>> > I'm not sure if this is the entire problem, but SimplifyCFG loses the 'unpredictable' metadata when it converts a set of cmp/br into a switch:
>> > https://godbolt.org/z/neLzN3
>> >
>> > Filed here:
>> > https://bugs.llvm.org/show_bug.cgi?id=43313
>> >
>> > On Fri, Sep 13, 2019 at 4:02 AM David Zarzycki via llvm-dev <llvm-dev at lists.llvm.org> wrote:
>> >
>> >
>> >> On Sep 13, 2019, at 1...