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Enhancement
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Resolution: Fixed
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P4
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repo-panama
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None
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x86
Intel Short Vector Math Library (SVML) based intrinsics in native x86 assembly provide optimized implementation for Vector API transcendental and trigonometric methods.
These methods can be built into a separate library instead of being part of libjvm.so or jvm.dll.
The following changes are made:
The source for these methods is placed in the jdk.incubator.vector module under src/jdk.incubator.vector/linux/native/libsvml and src/jdk.incubator.vector/windows/native/libsvml.
The assembly source files are named as “*.S” and include files are named as “*.S.inc”.
The corresponding build script is placed at make/modules/jdk.incubator.vector/Lib.gmk.
Changes are made to build system to support dependency tracking for assembly files with includes.
The built native libraries (libsvml.so/svml.dll) are placed in bin directory of JDK on Windows and lib directory of JDK on Linux.
The C2 JIT uses the dll_load and dll_lookup to get the addresses of optimized methods from this library.
Build system changes and module library build scripts are contributed by Magnus (magnus.ihse.bursie@oracle.com).
These methods can be built into a separate library instead of being part of libjvm.so or jvm.dll.
The following changes are made:
The source for these methods is placed in the jdk.incubator.vector module under src/jdk.incubator.vector/linux/native/libsvml and src/jdk.incubator.vector/windows/native/libsvml.
The assembly source files are named as “*.S” and include files are named as “*.S.inc”.
The corresponding build script is placed at make/modules/jdk.incubator.vector/Lib.gmk.
Changes are made to build system to support dependency tracking for assembly files with includes.
The built native libraries (libsvml.so/svml.dll) are placed in bin directory of JDK on Windows and lib directory of JDK on Linux.
The C2 JIT uses the dll_load and dll_lookup to get the addresses of optimized methods from this library.
Build system changes and module library build scripts are contributed by Magnus (magnus.ihse.bursie@oracle.com).
- relates to
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JDK-8264820 jdk/incubator/vector/FloatMaxVectorTests.java fails on AVX512 due to incorrect vector_exp_float512 entry
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- Resolved
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JDK-8264427 StubRoutines::vectorizedMismatch is missing for C1 compiler after JDK-8264321
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- Resolved
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