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Enhancement
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Resolution: Fixed
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P4
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21
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b10
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riscv
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linux
| Issue | Fix Version | Assignee | Priority | Status | Resolution | Resolved In Build |
|---|---|---|---|---|---|---|
| JDK-8311754 | 17.0.9 | Fei Yang | P4 | Resolved | Fixed | b01 |
Because Klass::_lh_neutral_value is always 0, we can use 'bgez' instead of the combination of 'mv' and 'bge' here for riscv. This could help save one instruction.
s390 port did similar optimization, refer to src/hotspot/cpu/s390/c1_LIRAssembler_s390.cpp.
s390 port did similar optimization, refer to src/hotspot/cpu/s390/c1_LIRAssembler_s390.cpp.
- backported by
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JDK-8311754 RISC-V: Use bgez instruction in arraycopy_simple_check when possible
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- Resolved
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- links to
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Commit
openjdk/jdk17u-dev/966fc82d
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Commit
openjdk/jdk/99b6c0eb
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Commit
openjdk/riscv-port-jdk17u/b324ba6d
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Review
openjdk/jdk17u-dev/1427
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Review
openjdk/jdk/12525
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Review
openjdk/riscv-port-jdk17u/64
(2 links to)