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Enhancement
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Resolution: Fixed
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P4
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11, 16
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b15
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aarch64
Issue | Fix Version | Assignee | Priority | Status | Resolution | Resolved In Build |
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JDK-8265397 | 11.0.12 | Dmitry Chuyko | P4 | Resolved | Fixed | b01 |
C2 compiled code for Java implementation contains 2 branch instructions and expensive moves between GPRs and FPRs. From another hand there is a bunch of instructions that can be used to bypass that.
- backported by
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JDK-8265397 AArch64: Faster Math.signum(fp)
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- Resolved
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- relates to
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JDK-8252779 compiler/graalunit/HotspotTest.java failed after JDK-8251525
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- Closed
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JDK-8265491 Math Signum optimization for x86
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- Resolved
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JDK-8271883 Math CopySign optimization for x86
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- Resolved
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JDK-8249198 Faster Math.signum(fp) for positive and negative numbers
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- Open
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JDK-8350663 AArch64: Enable UseSignumIntrinsic by default
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- Open
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(1 relates to)