diff options
Diffstat (limited to 'contrib/libgmp/mpn/x86/sub_n.S')
| -rw-r--r-- | contrib/libgmp/mpn/x86/sub_n.S | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/contrib/libgmp/mpn/x86/sub_n.S b/contrib/libgmp/mpn/x86/sub_n.S deleted file mode 100644 index 1774f3a..0000000 --- a/contrib/libgmp/mpn/x86/sub_n.S +++ /dev/null @@ -1,106 +0,0 @@ -/* i80386 __mpn_sub_n -- Add two limb vectors of the same length > 0 and store - sum in a third limb vector. - -Copyright (C) 1992, 1994, 1995 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) - s1_ptr (sp + 8) - s2_ptr (sp + 12) - size (sp + 16) -*/ - -#include "sysdep.h" -#include "asm-syntax.h" - -.text - ALIGN (3) - .globl C_SYMBOL_NAME(__mpn_sub_n) -C_SYMBOL_NAME(__mpn_sub_n:) - pushl %edi - pushl %esi - - movl 12(%esp),%edi /* res_ptr */ - movl 16(%esp),%esi /* s1_ptr */ - movl 20(%esp),%edx /* s2_ptr */ - movl 24(%esp),%ecx /* size */ - - movl %ecx,%eax - shrl $3,%ecx /* compute count for unrolled loop */ - negl %eax - andl $7,%eax /* get index where to start loop */ - jz Loop /* necessary special case for 0 */ - incl %ecx /* adjust loop count */ - shll $2,%eax /* adjustment for pointers... */ - subl %eax,%edi /* ... since they are offset ... */ - subl %eax,%esi /* ... by a constant when we ... */ - subl %eax,%edx /* ... enter the loop */ - shrl $2,%eax /* restore previous value */ -#ifdef PIC -/* Calculate start address in loop for PIC. Due to limitations in some - assemblers, Loop-L0-3 cannot be put into the leal */ - call L0 -L0: leal (%eax,%eax,8),%eax - addl (%esp),%eax - addl $(Loop-L0-3),%eax - addl $4,%esp -#else -/* Calculate start address in loop for non-PIC. */ - leal (Loop - 3)(%eax,%eax,8),%eax -#endif - jmp *%eax /* jump into loop */ - ALIGN (3) -Loop: movl (%esi),%eax - sbbl (%edx),%eax - movl %eax,(%edi) - movl 4(%esi),%eax - sbbl 4(%edx),%eax - movl %eax,4(%edi) - movl 8(%esi),%eax - sbbl 8(%edx),%eax - movl %eax,8(%edi) - movl 12(%esi),%eax - sbbl 12(%edx),%eax - movl %eax,12(%edi) - movl 16(%esi),%eax - sbbl 16(%edx),%eax - movl %eax,16(%edi) - movl 20(%esi),%eax - sbbl 20(%edx),%eax - movl %eax,20(%edi) - movl 24(%esi),%eax - sbbl 24(%edx),%eax - movl %eax,24(%edi) - movl 28(%esi),%eax - sbbl 28(%edx),%eax - movl %eax,28(%edi) - leal 32(%edi),%edi - leal 32(%esi),%esi - leal 32(%edx),%edx - decl %ecx - jnz Loop - - sbbl %eax,%eax - negl %eax - - popl %esi - popl %edi - ret |
