diff options
Diffstat (limited to 'gnu/lib/libgmp/mpn/x86/rshift.S')
-rw-r--r-- | gnu/lib/libgmp/mpn/x86/rshift.S | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/gnu/lib/libgmp/mpn/x86/rshift.S b/gnu/lib/libgmp/mpn/x86/rshift.S deleted file mode 100644 index 9abbf9a..0000000 --- a/gnu/lib/libgmp/mpn/x86/rshift.S +++ /dev/null @@ -1,87 +0,0 @@ -/* i80386 __mpn_rshift -- - -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_rshift) -C_SYMBOL_NAME(__mpn_rshift:) - 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 */ - - leal -4(%edi,%edx,4),%edi - leal (%esi,%edx,4),%esi - negl %edx - - movl (%esi,%edx,4),%ebx /* read least significant limb */ - xorl %eax,%eax - shrdl %cl,%ebx,%eax /* compute carry limb */ - incl %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 higher limb */ - shrdl %cl,%ebx,%eax /* compute result limb */ - movl %eax,(%edi,%edx,4) /* store it */ - incl %edx -L1: movl (%esi,%edx,4),%eax - shrdl %cl,%eax,%ebx - movl %ebx,(%edi,%edx,4) - incl %edx - jnz Loop - - shrl %cl,%eax /* compute most significant limb */ - movl %eax,(%edi) /* store it */ - - popl %eax /* pop carry limb */ - - popl %ebx - popl %esi - popl %edi - ret - -Lend: shrl %cl,%ebx /* compute most significant limb */ - movl %ebx,(%edi) /* store it */ - - popl %ebx - popl %esi - popl %edi - ret |