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{rd,wr}{fs,gs}base #30

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clausecker opened this issue Oct 2, 2023 · 0 comments
Open

{rd,wr}{fs,gs}base #30

clausecker opened this issue Oct 2, 2023 · 0 comments
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enhancement New feature or request

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@clausecker
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Could you add timings for rdfsbase, rdgsbase, wrfsbase, and wrgsbase to the uops.info tables?

I've seen someone use these to use FS and GS as additional address registers in complicated numerical code, so they might be relevant for performance.
@andreas-abel andreas-abel added the enhancement New feature or request label Oct 8, 2023
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@clausecker @andreas-abel