diff options
| -rw-r--r-- | arch/ia64/lib/memcpy_mck.S | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/ia64/lib/memcpy_mck.S b/arch/ia64/lib/memcpy_mck.S index 6f308e62c13..46c9331e7ab 100644 --- a/arch/ia64/lib/memcpy_mck.S +++ b/arch/ia64/lib/memcpy_mck.S @@ -625,8 +625,11 @@ EK(.ex_handler, (p17) st8 [dst1]=r39,8); \ clrrrb ;; alloc saved_pfs_stack=ar.pfs,3,3,3,0 + cmp.lt p8,p0=A,r0 sub B = dst0, saved_in0 // how many byte copied so far ;; +(p8) mov A = 0; // A shouldn't be negative, cap it + ;; sub C = A, B sub D = saved_in2, A ;; |