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Fri, 13 Mar 2009 11:35:17 -0700 6378821: bitCount() should use POPC on SPARC processors and AMD+10h
changeset
twisti [Fri, 13 Mar 2009 11:35:17 -0700] rev 2255
6378821: bitCount() should use POPC on SPARC processors and AMD+10h Summary: bitCount() should use POPC on SPARC processors where POPC is implemented directly in hardware. Reviewed-by: kvn, never
Thu, 12 Mar 2009 10:37:46 -0700 6791178: Specialize for zero as the compressed oop vm heap base
changeset
kvn [Thu, 12 Mar 2009 10:37:46 -0700] rev 2254
6791178: Specialize for zero as the compressed oop vm heap base Summary: Use zero based compressed oops if java heap is below 32gb and unscaled compressed oops if java heap is below 4gb. Reviewed-by: never, twisti, jcoomes, coleenp
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jdk-sandbox