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| author | Ulrich Drepper <drepper@redhat.com> | 2010-09-02 23:36:25 -0700 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2010-09-02 23:36:25 -0700 |
| commit | 0959ffc97b738c489087bcf45578c1580a87e66d (patch) | |
| tree | ac76fbfa5e53376a579a3220a4a7873624e4a296 /sysdeps/x86_64/sub_n.S | |
| parent | ece298407076558531796450af39199aa0b34bef (diff) | |
| download | glibc-0959ffc97b738c489087bcf45578c1580a87e66d.tar.gz glibc-0959ffc97b738c489087bcf45578c1580a87e66d.tar.xz glibc-0959ffc97b738c489087bcf45578c1580a87e66d.zip | |
Update x86-64 mpn routines from GMP 5.0.1.
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" |