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diff src/share/vm/runtime/java.cpp @ 219:ab65a4c9b2e8

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6708714: Optimize long LShift on 32-bits x86 Summary: For small (1-3 bits) left long shifts in 32-bits VM use sets of add+addc instructions instead of shld+shl on new AMD cpus. Reviewed-by: never Contributed-by: shrinivas.joshi@amd.com
author kvn
date Mon, 23 Jun 2008 14:11:12 -0700
parents 5a76ab815e34
children d1605aabd0a1 8d852b81e775
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