diff options
| author | Ulrich Drepper <drepper@redhat.com> | 1999-07-27 04:43:32 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 1999-07-27 04:43:32 +0000 |
| commit | 8cb079d41b2108d7a6db4c91a51156464912548b (patch) | |
| tree | 6cbfca0ae13331d50e1559c50c9a128dec6082a0 /sysdeps/sparc/sparc64/sub_n.S | |
| parent | f05f5ca3857fbf83460003f12e81667c2f60851e (diff) | |
Update.
* sysdeps/sparc/sparc64/add_n.S: Avoid using %g2, %g3, %g7 registers
as much as possible. Declare them using .register pseudo-op if they
are still used.
* sysdeps/sparc/sparc64/lshift.S: Likewise.
* sysdeps/sparc/sparc64/memchr.S: Likewise.
* sysdeps/sparc/sparc64/memcmp.S: Likewise.
* sysdeps/sparc/sparc64/memcpy.S: Likewise.
* sysdeps/sparc/sparc64/memset.S: Likewise.
* sysdeps/sparc/sparc64/rawmemchr.S: Likewise.
* sysdeps/sparc/sparc64/rshift.S: Likewise.
* sysdeps/sparc/sparc64/stpcpy.S: Likewise.
* sysdeps/sparc/sparc64/stpncpy.S: Likewise.
* sysdeps/sparc/sparc64/strcat.S: Likewise.
* sysdeps/sparc/sparc64/strchr.S: Likewise.
* sysdeps/sparc/sparc64/strcmp.S: Likewise.
* sysdeps/sparc/sparc64/strcpy.S: Likewise.
* sysdeps/sparc/sparc64/strcspn.S: Likewise.
* sysdeps/sparc/sparc64/strlen.S: Likewise.
* sysdeps/sparc/sparc64/strncmp.S: Likewise.
* sysdeps/sparc/sparc64/strncpy.S: Likewise.
* sysdeps/sparc/sparc64/strpbrk.S: Likewise.
* sysdeps/sparc/sparc64/strspn.S: Likewise.
* sysdeps/sparc/sparc64/sub_n.S: Likewise.
* sysdeps/sparc/sparc64/dl-machine.h: Likewise.
Optimize trampoline code for .plt4-.plt32767.
Fix trampolines for .plt32768+.
1999-07-25 Jakub Jelinek <jj@ultra.linux.cz>
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 |