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/freebsd-10.0-release/sys/amd64/amd64/ | ||
H A D | support.S | diff 13065 Wed Dec 27 16:54:51 MST 1995 dg Update bcopyb & bcopy to reflect changes I made in the libc version of bcopy: Be smarter about handling overlapped copies and only go backwards if it is really necessary. Going backwards on a P6 is much slower than forwards and it's a little slower on a P5. Also moved the count mask and 'std' down a few lines - it's a couple percent faster this way on a P5. |
/freebsd-10.0-release/sys/i386/i386/ | ||
H A D | support.s | diff 13065 Wed Dec 27 16:54:51 MST 1995 dg Update bcopyb & bcopy to reflect changes I made in the libc version of bcopy: Be smarter about handling overlapped copies and only go backwards if it is really necessary. Going backwards on a P6 is much slower than forwards and it's a little slower on a P5. Also moved the count mask and 'std' down a few lines - it's a couple percent faster this way on a P5. |
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