diff options
Diffstat (limited to 'sysdeps/i386/sub_n.S')
| -rw-r--r-- | sysdeps/i386/sub_n.S | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/sysdeps/i386/sub_n.S b/sysdeps/i386/sub_n.S deleted file mode 100644 index 3649da29e7..0000000000 --- a/sysdeps/i386/sub_n.S +++ /dev/null @@ -1,111 +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) 1992-2017 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 Lesser General Public License as published by - the Free Software Foundation; either version 2.1 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 Lesser General Public - License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with the GNU MP Library; see the file COPYING.LIB. If not, - see <http://www.gnu.org/licenses/>. */ - -#include "sysdep.h" -#include "asm-syntax.h" - -#define PARMS 4+8 /* space for 2 saved regs */ -#define RES PARMS -#define S1 RES+4 -#define S2 S1+4 -#define SIZE S2+4 - - .text -ENTRY (__mpn_sub_n) - - pushl %edi - cfi_adjust_cfa_offset (4) - pushl %esi - cfi_adjust_cfa_offset (4) - - movl RES(%esp),%edi - cfi_rel_offset (edi, 4) - movl S1(%esp),%esi - cfi_rel_offset (esi, 0) - movl S2(%esp),%edx - movl SIZE(%esp),%ecx - movl %ecx,%eax - shrl $3,%ecx /* compute count for unrolled loop */ - negl %eax - andl $7,%eax /* get index where to start loop */ - jz L(oop) /* 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 L(0) - cfi_adjust_cfa_offset (4) -L(0): leal (%eax,%eax,8),%eax - addl (%esp),%eax - addl $(L(oop)-L(0)-3),%eax - addl $4,%esp - cfi_adjust_cfa_offset (-4) -#else -/* Calculate start address in loop for non-PIC. */ - leal (L(oop) - 3)(%eax,%eax,8),%eax -#endif - jmp *%eax /* jump into loop */ - ALIGN (3) -L(oop): 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 L(oop) - - sbbl %eax,%eax - negl %eax - - popl %esi - cfi_adjust_cfa_offset (-4) - cfi_restore (esi) - popl %edi - cfi_adjust_cfa_offset (-4) - cfi_restore (edi) - - ret -END (__mpn_sub_n) |