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Enable EVEX embedded broadcasting support in xarch emitter #80825

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anthonycanino opened this issue Jan 18, 2023 · 4 comments
Closed

Enable EVEX embedded broadcasting support in xarch emitter #80825

anthonycanino opened this issue Jan 18, 2023 · 4 comments
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@anthonycanino
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area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI avx512 Related to the AVX-512 architecture
Milestone
8.0.0

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@anthonycanino
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The purpose of this task is to extend the xarch emitter to allow the use of embedded broadcasting capability of EVEX for SIMD ops. Ideally, this task isolated the changes to enabling the embedded broadcasting in the xarch backend. It's currently open what needs to be redesigned to fold SIMD constants + SIMD ops into a single SIMD op with a broadcast. Will follow up with that investigation.
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I couldn't figure out the best area label to add to this issue. If you have write-permissions please help me learn by adding exactly one area label.

@ghost ghost added the untriaged New issue has not been triaged by the area owner label Jan 18, 2023
@BruceForstall BruceForstall added area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI avx512 Related to the AVX-512 architecture and removed untriaged New issue has not been triaged by the area owner labels Jan 19, 2023
@BruceForstall BruceForstall added this to the 8.0.0 milestone Jan 19, 2023
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ghost commented Jan 19, 2023

Tagging subscribers to this area: @JulieLeeMSFT, @jakobbotsch, @kunalspathak
See info in area-owners.md if you want to be subscribed.

Issue Details

The purpose of this task is to extend the xarch emitter to allow the use of embedded broadcasting capability of EVEX for SIMD ops. Ideally, this task isolated the changes to enabling the embedded broadcasting in the xarch backend. It's currently open what needs to be redesigned to fold SIMD constants + SIMD ops into a single SIMD op with a broadcast. Will follow up with that investigation.

Author: anthonycanino
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area-CodeGen-coreclr, arch-avx512
Milestone: -

@BruceForstall BruceForstall mentioned this issue Jan 19, 2023
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56 tasks
@BruceForstall BruceForstall removed their assignment Apr 14, 2023
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@tannergooding @Ruihan-Yin Can we close this now that #84821 is merged?

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Yes. Closing

@ghost ghost locked as resolved and limited conversation to collaborators Jul 13, 2023
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@anthonycanino anthonycanino

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area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI avx512 Related to the AVX-512 architecture
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8.0.0
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@tannergooding @BruceForstall @anthonycanino