diff options
Diffstat (limited to 'sysdeps/sparc/sparc64/sub_n.S')
| -rw-r--r-- | sysdeps/sparc/sparc64/sub_n.S | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/sysdeps/sparc/sparc64/sub_n.S b/sysdeps/sparc/sparc64/sub_n.S index 403d50c704..b0d6b75bfe 100644 --- a/sysdeps/sparc/sparc64/sub_n.S +++ b/sysdeps/sparc/sparc64/sub_n.S @@ -1,7 +1,7 @@ /* SPARC v9 __mpn_sub_n -- Subtract two limb vectors of the same length > 0 and store difference in a third limb vector. - Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. + Copyright (C) 1995, 1996, 1997, 1999 Free Software Foundation, Inc. This file is part of the GNU MP Library. @@ -30,23 +30,23 @@ ENTRY(__mpn_sub_n) - sub %g0,%o3,%g3 + sub %g0,%o3,%g5 sllx %o3,3,%g1 add %o1,%g1,%o1 ! make s1_ptr point at end add %o2,%g1,%o2 ! make s2_ptr point at end add %o0,%g1,%o0 ! make res_ptr point at end mov 0,%o4 ! clear carry variable - sllx %g3,3,%o5 ! compute initial address index + sllx %g5,3,%o5 ! compute initial address index 1: ldx [%o2+%o5],%g1 ! load s2 limb - add %g3,1,%g3 ! increment loop count - ldx [%o1+%o5],%g2 ! load s1 limb + add %g5,1,%g5 ! increment loop count + ldx [%o1+%o5],%o3 ! load s1 limb addcc %g1,%o4,%g1 ! add s2 limb and carry variable movcc %xcc,0,%o4 ! if carry-out, o4 was 1; clear it - subcc %g2,%g1,%g1 ! subtract s1 limb from sum + subcc %o3,%g1,%g1 ! subtract s1 limb from sum stx %g1,[%o0+%o5] ! store result add %o5,8,%o5 ! increment address index - brnz,pt %g3,1b + brnz,pt %g5,1b movcs %xcc,1,%o4 ! if s1 subtract gave carry, record it retl |