Support the appropriate use of bswap instruction on non-I386 builds. Per Wayne Scott of Intel, the old sequence took 20cycles!!! on a P6. Another nice side-benefit is that the kernel is about 3K smaller!!! Submitted by:	Wayne Scott <wscott@ichips.intel.com>
Support the appropriate use of bswap instruction on non-I386 builds.
Per Wayne Scott of Intel, the old sequence took 20cycles!!! on a P6.
Another nice side-benefit is that the kernel is about 3K smaller!!!
Submitted by:	Wayne Scott <wscott@ichips.intel.com>

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