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Detect -mprefer-vector-width #35

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DenisYaroshevskiy opened this issue Jul 5, 2023 · 0 comments

DenisYaroshevskiy commented Jul 5, 2023

We want to know preferred size of the register.

I didn't find the equivalent for MSVC but please check.

Here is btw llvm defaulting to 32 bytes on avx512 https://reviews.llvm.org/D67259

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