JDK-8256220 : C1: x86_32 fails with -XX:UseSSE=1 after JDK-8210764 due to mishandled lir_neg
- Type: Bug
- Component: hotspot
- Sub-Component: compiler
- Affected Version: 11.0.2,12,15,16
- Priority: P3
- Status: Resolved
- Resolution: Fixed
- Submitted: 2020-11-11
- Updated: 2024-12-13
- Resolved: 2020-11-13
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| JDK 11 | JDK 16 |
|---|---|
| 11.0.11Fixed | 16 b25Fixed  |
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Relates :
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Description
Like this: $ CONF=linux-x86-server-fastdebug make images run-test TEST=tier1 TEST_VM_OPTS="-XX:UseSSE=1" # Internal Error (/home/shade/trunks/jdk/src/hotspot/cpu/x86/c1_LinearScan_x86.cpp:794), pid=1484789, tid=1484820 # assert(false) failed: missed a fpu-operation # # JRE version: OpenJDK Runtime Environment (16.0) (fastdebug build 16-internal+0-adhoc.shade.jdk) # Java VM: OpenJDK Server VM (fastdebug 16-internal+0-adhoc.shade.jdk, mixed mode, tiered, g1 gc, linux-x86) # Problematic frame: # V [libjvm.so+0x6d6300] FpuStackAllocator::handle_op2(LIR_Op2*)+0xf0 Amending that assert implies we miss "neg". I believe it was missed when JDK-8210764 changed lir_neg from LIR_Op1 to LIR_Op2.
Comments
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