diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2013-06-15 10:05:59 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2013-06-15 10:05:59 +0000 |
| commit | 8041e42d896cbc61308683b53a70fd978d83f4ec (patch) | |
| tree | 34776f8af4d3add7614260d549eedc4fc46ea7b2 /sys/arch/sparc64 | |
| parent | 19ac3c08f66ed8cb503efb933faa2b76b703b415 (diff) | |
Stop handling overlapping copies in memcpy() by jumping straight into the
forward copy path.
Diffstat (limited to 'sys/arch/sparc64')
| -rw-r--r-- | sys/arch/sparc64/sparc64/locore.s | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/arch/sparc64/sparc64/locore.s b/sys/arch/sparc64/sparc64/locore.s index bd8492f27cc..e8f2e8f93fb 100644 --- a/sys/arch/sparc64/sparc64/locore.s +++ b/sys/arch/sparc64/sparc64/locore.s @@ -1,4 +1,4 @@ -/* $OpenBSD: locore.s,v 1.174 2013/06/13 20:03:59 kettenis Exp $ */ +/* $OpenBSD: locore.s,v 1.175 2013/06/15 10:05:58 kettenis Exp $ */ /* $NetBSD: locore.s,v 1.137 2001/08/13 06:10:10 jdolecek Exp $ */ /* @@ -6418,7 +6418,6 @@ ENTRY(pseg_set) mov 1, %o0 -#if 1 /* * kernel bcopy/memcpy * Assumes regions do not overlap; has no useful return value. @@ -6433,7 +6432,8 @@ ENTRY(memcpy) /* dest, src, size */ mov %o0, %o3 mov %o1, %o0 mov %o3, %o1 -#endif /* 1 */ + ba,pt %xcc, Lbcopy_start + cmp %o2, BCOPY_SMALL ENTRY(bcopy) /* src, dest, size */ /* * Check for overlaps and punt. |