[PATCH] D100236: AMDGPU: Restore atomic fp feature on FP atomic instruction definitions

Wed Apr 21 17:14:56 PDT 2021

arsenm added a comment.

In D100236#2680845 <https://reviews.llvm.org/D100236#2680845>, @rampitec wrote:

> In D100236#2680838 <https://reviews.llvm.org/D100236#2680838>, @arsenm wrote:
>
>> In D100236#2680833 <https://reviews.llvm.org/D100236#2680833>, @rampitec wrote:
>>
>>> We should not produce this for gfx803.
>>
>> We need to produce something. The expectation is the function should be dynamically dead.
>
> The feature itself is not sufficient, you cannot just expand atomicrmw into this without knowledge of other target properties. Unfortunately these has changed since first defined.

What other target properties? This is supposed to be the target property to say the instruction is available

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  https://reviews.llvm.org/D100236/new/

https://reviews.llvm.org/D100236