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| author | Mark Mendell <mark.p.mendell@intel.com> | 2015-07-28 16:41:21 -0400 |
|---|---|---|
| committer | Mark Mendell <mark.p.mendell@intel.com> | 2015-07-30 08:52:54 -0400 |
| commit | 9097981b79f89bd341d46256678b3c05ddd2d0a9 (patch) | |
| tree | f466b5819420182a73068e0f0b598878141ecc7a /test/008-exceptions/src/MultiDexBadInit.java | |
| parent | 595335100a947693b9af5fb6c0b5b3c1f0b91788 (diff) | |
Optimizing: Replace x86 xchg use with xor sequence
On some x86 processors, xchg is serializing even when exchanging two
registers. Replace the xchgl use with the 3 xor sequence to swap to
registers. This is generally faster and doesn't serialize the machine.
Change-Id: Iea2cd993d3b70a103bbdd1dbf7818e26ae29387c
Signed-off-by: Mark Mendell <mark.p.mendell@intel.com>
Diffstat (limited to 'test/008-exceptions/src/MultiDexBadInit.java')
0 files changed, 0 insertions, 0 deletions