Improve the vectorizedHashCode Intrinsic for P9+ #21338
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Fast-path ArraysSupport.vectorizedHashCode and String.hashCodeImplCompressed methods on Power. The String.hashCodeImplDecompressed method has already been fast-pathed. Since the other methods use the same logic, the existing code can be modified to recognise and accomodate them. Signed-off-by: Luke Li <[email protected]>
Signed-off-by: Luke Li <[email protected]>
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Related to #21081 (comment), should probably be cleaned up after the previous PR is merged. |
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Some quick performance test:
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Exploit the new instructions in P9+ to improve the vectorizedHashCode instructions