diff options
Diffstat (limited to 'sysdeps/x86_64/sub_n.S')
| -rw-r--r-- | sysdeps/x86_64/sub_n.S | 28 |
1 files changed, 5 insertions, 23 deletions
diff --git a/sysdeps/x86_64/sub_n.S b/sysdeps/x86_64/sub_n.S index 48e1a2e0f4..60c15fc3e1 100644 --- a/sysdeps/x86_64/sub_n.S +++ b/sysdeps/x86_64/sub_n.S @@ -1,6 +1,6 @@ -/* AMD64 __mpn_sub_n -- Add two limb vectors of the same length > 0 and store +/* x86-64 __mpn_sub_n -- Add two limb vectors of the same length > 0 and store sum in a third limb vector. - Copyright (C) 2004 Free Software Foundation, Inc. + Copyright (C) 2006, 2007 Free Software Foundation, Inc. This file is part of the GNU MP Library. The GNU MP Library is free software; you can redistribute it and/or modify @@ -18,25 +18,7 @@ the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#include "sysdep.h" -#include "asm-syntax.h" +#define func __mpn_sub_n +#define ADCSBB sbb - .text -ENTRY (__mpn_sub_n) - leaq (%rsi,%rcx,8), %rsi - leaq (%rdi,%rcx,8), %rdi - leaq (%rdx,%rcx,8), %rdx - negq %rcx - xorl %eax, %eax # clear cy - .p2align 2 -L(loop): - movq (%rsi,%rcx,8), %rax - movq (%rdx,%rcx,8), %r10 - sbbq %r10, %rax - movq %rax, (%rdi,%rcx,8) - incq %rcx - jne L(loop) - movq %rcx, %rax # zero %rax - adcq %rax, %rax - ret -END (__mpn_sub_n) +#include "add_n.S" |