diff options
Diffstat (limited to 'gnu/lib/libgmp/mpn/x86/lshift.S')
-rw-r--r-- | gnu/lib/libgmp/mpn/x86/lshift.S | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/gnu/lib/libgmp/mpn/x86/lshift.S b/gnu/lib/libgmp/mpn/x86/lshift.S deleted file mode 100644 index 8173b92..0000000 --- a/gnu/lib/libgmp/mpn/x86/lshift.S +++ /dev/null @@ -1,85 +0,0 @@ -/* i80386 __mpn_lshift -- - -Copyright (C) 1992, 1994 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 -it under the terms of the GNU Library General Public License as published by -the Free Software Foundation; either version 2 of the License, or (at your -option) any later version. - -The GNU MP Library is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public -License for more details. - -You should have received a copy of the GNU Library General Public License -along with the GNU MP Library; see the file COPYING.LIB. If not, write to -the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, -MA 02111-1307, USA. */ - -/* - INPUT PARAMETERS - res_ptr (sp + 4) - s_ptr (sp + 8) - size (sp + 12) - cnt (sp + 16) -*/ - -#include "sysdep.h" -#include "asm-syntax.h" - -.text - ALIGN (3) - .globl C_SYMBOL_NAME(__mpn_lshift) -C_SYMBOL_NAME(__mpn_lshift:) - pushl %edi - pushl %esi - pushl %ebx - - movl 16(%esp),%edi /* res_ptr */ - movl 20(%esp),%esi /* s_ptr */ - movl 24(%esp),%edx /* size */ - movl 28(%esp),%ecx /* cnt */ - - subl $4,%esi /* adjust s_ptr */ - - movl (%esi,%edx,4),%ebx /* read most significant limb */ - xorl %eax,%eax - shldl %cl,%ebx,%eax /* compute carry limb */ - decl %edx - jz Lend - pushl %eax /* push carry limb onto stack */ - testb $1,%edx - jnz L1 /* enter loop in the middle */ - movl %ebx,%eax - - ALIGN (3) -Loop: movl (%esi,%edx,4),%ebx /* load next lower limb */ - shldl %cl,%ebx,%eax /* compute result limb */ - movl %eax,(%edi,%edx,4) /* store it */ - decl %edx -L1: movl (%esi,%edx,4),%eax - shldl %cl,%eax,%ebx - movl %ebx,(%edi,%edx,4) - decl %edx - jnz Loop - - shll %cl,%eax /* compute least significant limb */ - movl %eax,(%edi) /* store it */ - - popl %eax /* pop carry limb */ - - popl %ebx - popl %esi - popl %edi - ret - -Lend: shll %cl,%ebx /* compute least significant limb */ - movl %ebx,(%edi) /* store it */ - - popl %ebx - popl %esi - popl %edi - ret |