diff options
Diffstat (limited to 'sys/lib/libkern/arch/sparc/rem.S')
| -rw-r--r-- | sys/lib/libkern/arch/sparc/rem.S | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/sys/lib/libkern/arch/sparc/rem.S b/sys/lib/libkern/arch/sparc/rem.S index 76f774de0be..7b56d2bf90d 100644 --- a/sys/lib/libkern/arch/sparc/rem.S +++ b/sys/lib/libkern/arch/sparc/rem.S @@ -1,5 +1,5 @@ -/* $OpenBSD: rem.S,v 1.1 2007/11/25 18:25:36 deraadt Exp $ */ +/* $OpenBSD: rem.S,v 1.2 2011/03/12 18:51:31 deraadt Exp $ */ /* $NetBSD: divrem.m4,v 1.3 1995/04/22 09:37:39 pk Exp $ */ /* @@ -156,15 +156,15 @@ FUNC(.rem) 1: cmp %o5, %g1 bgeu 3f - mov 1, %g7 + mov 1, %g5 sll %o5, 4, %o5 b 1b inc %o4 - ! Now compute %g7. + ! Now compute %g5. 2: addcc %o5, %o5, %o5 bcc Lnot_too_big - inc %g7 + inc %g5 ! We get here if the %o1 overflowed while shifting. ! This means that %o3 has the high-order bit set. @@ -173,7 +173,7 @@ FUNC(.rem) srl %o5, 1, %o5 ! rest of %o5 add %o5, %g1, %o5 b Ldo_single_div - dec %g7 + dec %g5 Lnot_too_big: 3: cmp %o5, %o3 @@ -185,7 +185,7 @@ FUNC(.rem) /* (I do not understand this) */ ! %o5 > %o3: went too far: back up 1 step ! srl %o5, 1, %o5 - ! dec %g7 + ! dec %g5 ! do single-bit divide steps ! ! We have to be careful here. We know that %o3 >= %o5, so we can do the @@ -195,7 +195,7 @@ FUNC(.rem) ! division loop will mess up the first time around. ! So we unroll slightly... Ldo_single_div: - deccc %g7 + deccc %g5 bl Lend_regular_divide nop sub %o3, %o5, %o3 @@ -215,7 +215,7 @@ FUNC(.rem) dec %o2 2: Lend_single_divloop: - deccc %g7 + deccc %g5 bge Lsingle_divloop tst %o3 b,a Lend_regular_divide |