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Bug
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Resolution: Unresolved
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P3
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25
# Internal Error (/home/roland/jdk-jdk/src/hotspot/share/opto/superword.cpp:2606), pid=4102033, tid=4102052
# assert(false) failed: Unexpected node in SuperWord truncation: CmpLTMask
#
# JRE version: OpenJDK Runtime Environment (26.0) (fastdebug build 26-internal-adhoc.roland.jdk-jdk)
# Java VM: OpenJDK 64-Bit Server VM (fastdebug 26-internal-adhoc.roland.jdk-jdk, mixed mode, sharing, compressed oops, compressed class ptrs, g1 gc, linux-amd64)
# Problematic frame:
# V [libjvm.so+0x1993a5c] VLoopTypes::compute_vector_element_type()+0xc9c
I see this when running CTW with:
https://repo1.maven.org/maven2/info/freelibrary/freelib-marc4j/2.6.8/freelib-marc4j-2.6.8.jar
I also see:
# Internal Error (/home/roland/jdk-jdk/src/hotspot/share/opto/superword.cpp:2606), pid=4101992, tid=4102018
# assert(false) failed: Unexpected node in SuperWord truncation: RoundF
#
# JRE version: OpenJDK Runtime Environment (26.0) (fastdebug build 26-internal-adhoc.roland.jdk-jdk)
# Java VM: OpenJDK 64-Bit Server VM (fastdebug 26-internal-adhoc.roland.jdk-jdk, mixed mode, sharing, compressed oops, compressed class ptrs, g1 gc, linux-amd64)
# Problematic frame:
# V [libjvm.so+0x1993a5c] VLoopTypes::compute_vector_element_type()+0xc9c
with:
https://repo1.maven.org/maven2/com/actelion/research/openchemlib/2018.9.0/openchemlib-2018.9.0.jar
# assert(false) failed: Unexpected node in SuperWord truncation: CmpLTMask
#
# JRE version: OpenJDK Runtime Environment (26.0) (fastdebug build 26-internal-adhoc.roland.jdk-jdk)
# Java VM: OpenJDK 64-Bit Server VM (fastdebug 26-internal-adhoc.roland.jdk-jdk, mixed mode, sharing, compressed oops, compressed class ptrs, g1 gc, linux-amd64)
# Problematic frame:
# V [libjvm.so+0x1993a5c] VLoopTypes::compute_vector_element_type()+0xc9c
I see this when running CTW with:
https://repo1.maven.org/maven2/info/freelibrary/freelib-marc4j/2.6.8/freelib-marc4j-2.6.8.jar
I also see:
# Internal Error (/home/roland/jdk-jdk/src/hotspot/share/opto/superword.cpp:2606), pid=4101992, tid=4102018
# assert(false) failed: Unexpected node in SuperWord truncation: RoundF
#
# JRE version: OpenJDK Runtime Environment (26.0) (fastdebug build 26-internal-adhoc.roland.jdk-jdk)
# Java VM: OpenJDK 64-Bit Server VM (fastdebug 26-internal-adhoc.roland.jdk-jdk, mixed mode, sharing, compressed oops, compressed class ptrs, g1 gc, linux-amd64)
# Problematic frame:
# V [libjvm.so+0x1993a5c] VLoopTypes::compute_vector_element_type()+0xc9c
with:
https://repo1.maven.org/maven2/com/actelion/research/openchemlib/2018.9.0/openchemlib-2018.9.0.jar
- caused by
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JDK-8350177 C2 SuperWord: Integer.numberOfLeadingZeros, numberOfTrailingZeros, reverse and bitCount have input types wrongly truncated for byte and short
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- Resolved
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