So I’m a bit baffled by some @rustlang SIMD behaviour, it seems that for some intrinsics (_mm_maddubs_epi16 for example) rust calls a function that isn’t inline instead if calling the relating instruction directly. Anyone has an idea what causes that? - https://rust.godbolt.org/z/mjJ5PM
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We should probably add some kind of lint for that into rustc. Cc
@rustlang@ManishEarth -
That’d be super useful! It’s something that hit me totally by surprise. Perhaps a warning would work?
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It might just be an annotation thing and dtrace being ‘smart’ on it’s own it seems right when looking at the output of the functions itself :)
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