[llvm-commits] [LLVM, SelectionDAG] fix for #9905: Failure in code selection for llvm intrinsics sqrt/exp

Stepan Dyatkovskiy stpworld at narod.ru
Mon Dec 5 05:05:38 PST 2011


ping.

-Stepan.

Stepan Dyatkovskiy wrote:
> ping.
>
> -Stepan
>
> Stepan Dyatkovskiy wrote:
>> Hi all. Please find the patch and regression tests in attachment for
>> review.
>> This patch for ARM. It fixes selection for several instructions that
>> works with v4f32 arguments: FSQRT, FSIN, FCOS, FPOWI, FPOW, FLOG, FLOG2,
>> FLOG10, FEXP, FEXP2.
>> I'm still worrying about FCOPYSIGN, FNEG, FABS, FCEIL, FTRUNC, FRINT,
>> FNEARBYINT, FFLOOR. I could not found a way to add this instructions
>> with v2f32 argument to DAG. It seems that it is impossible in ToT. So
>> these instructions was not fixed.
>>
>> -Stepan.
>>
>>
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