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JIT: implement operation narrowing phase #32504

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AndyAyersMS opened this issue Feb 18, 2020 · 1 comment
Open

JIT: implement operation narrowing phase #32504

AndyAyersMS opened this issue Feb 18, 2020 · 1 comment
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area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI
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Future

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@AndyAyersMS
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AndyAyersMS commented Feb 18, 2020 •
edited by BruceForstall
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Implement a narrowing optimization to reduce width of computations, where profitable.

See for instance #32089.

Likely would rely on part-word (or maybe even bitwise) liveness. Could be done locally (per tree) or globally.

category:cq
theme:optimization
skill-level:expert
cost:large
@AndyAyersMS AndyAyersMS added the area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI label Feb 18, 2020
@AndyAyersMS AndyAyersMS added this to the Future milestone Feb 18, 2020
@Dotnet-GitSync-Bot Dotnet-GitSync-Bot added the untriaged New issue has not been triaged by the area owner label Feb 18, 2020
@AndyAyersMS AndyAyersMS removed the untriaged New issue has not been triaged by the area owner label Feb 21, 2020
@AndyAyersMS AndyAyersMS mentioned this issue Mar 12, 2020
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@EgorBo
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EgorBo commented Mar 12, 2020

I guess #13816 is related

@BruceForstall BruceForstall added the JitUntriaged CLR JIT issues needing additional triage label Oct 28, 2020
@BruceForstall BruceForstall removed the JitUntriaged CLR JIT issues needing additional triage label Nov 25, 2020
@BruceForstall BruceForstall mentioned this issue Oct 30, 2022
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