JDK-8255210 : [Vector API] jdk/incubator/vector/Int256VectorTests.java crashes on AVX512 machines
- Type: Bug
- Component: hotspot
- Sub-Component: compiler
- Affected Version: 16
- Priority: P3
- Status: Resolved
- Resolution: Fixed
- Submitted: 2020-10-22
- Updated: 2020-10-29
- Resolved: 2020-10-23
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| JDK 16 |
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16 b22Fixed  |
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Description
# Reproduce ``` Run jdk/incubator/vector/Int256VectorTests.java on AVX512 machines ``` # Symptom ``` # # A fatal error has been detected by the Java Runtime Environment: # # Internal Error (/home/jvm/jiefu/open/jdk/src/hotspot/cpu/x86/assembler_x86.cpp:8714), pid=83279, tid=83294 # assert(((dst_enc < 16 && nds_enc < 16 && src_enc < 16) || (!attributes->is_legacy_mode()))) failed: XMM register should be 0-15 # Problematic frame: # V [libjvm.so+0x5c52b3] Assembler::vex_prefix_and_encode(int, int, int, Assembler::VexSimdPrefix, Assembler::VexOpcode, InstructionAttr*) [clone .constprop.98]+0x213 ```
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