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| author | Nick Piggin <[email protected]> | 2008-11-11 17:54:15 +0000 |
|---|---|---|
| committer | Paul Mackerras <[email protected]> | 2008-11-19 16:04:58 +1100 |
| commit | ae564c63b8311fa73c21e456e00dba1f4b1ff6bc (patch) | |
| tree | 743ed995f8718d465c8008a61755ea47feb73f6e /scripts/objdiff | |
| parent | 957ab07b44d839ee8267e827fc4e8f1853798f57 (diff) | |
powerpc: Optimise mutex
This implements an optimised mutex fastpath for powerpc, making use of
acquire and release barrier semantics. This takes the mutex
lock+unlock benchmark from 203 to 173 cycles on a G5.
Signed-off-by: Nick Piggin <[email protected]>
Signed-off-by: Paul Mackerras <[email protected]>
Diffstat (limited to 'scripts/objdiff')
0 files changed, 0 insertions, 0 deletions