git: openjdk/jdk: master: 8350177: C2 SuperWord: Integer.numberOfLeadingZeros, numberOfTrailingZeros, reverse and bitCount have input types wrongly truncated for byte and short

Jasmine Karthikeyan jkarthikeyan at openjdk.org
Sun Jul 13 21:31:18 UTC 2025


Changeset: 77bd417c
Branch: master
Author:    Jasmine Karthikeyan <jkarthikeyan at openjdk.org>
Date:      2025-07-13 21:28:39 +0000
URL:       https://git.openjdk.org/jdk/commit/77bd417c9990f57525257d9df89b9df4d7991461

8350177: C2 SuperWord: Integer.numberOfLeadingZeros, numberOfTrailingZeros, reverse and bitCount have input types wrongly truncated for byte and short

Reviewed-by: epeter, thartmann

! src/hotspot/share/opto/superword.cpp
+ test/hotspot/jtreg/compiler/vectorization/TestSubwordTruncation.java



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