Mercurial > hg > graal-compiler
comparison src/share/vm/runtime/vframe.hpp @ 219:ab65a4c9b2e8
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 | 93b6525e3b82 |
| children | d1605aabd0a1 |
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| 217:411c61adc994 | 219:ab65a4c9b2e8 |
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