[AutoBump] Merge with fixes of 49c5cebb (Sep 16) (4) #418
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Use SWAR techniques for arithmetic shifts: we use the same technique as logical right shift but with an additional step of sign extending the result. Also, use the logical shift left technique even on AVX512 as vpmovzxbw and vpmovwb are actually quite expensive.
mgehre-amd
approved these changes
Dec 12, 2024
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