diff options
Diffstat (limited to 'mpi/i586/mpih-sub1.S')
-rw-r--r-- | mpi/i586/mpih-sub1.S | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/mpi/i586/mpih-sub1.S b/mpi/i586/mpih-sub1.S deleted file mode 100644 index a54be0e91..000000000 --- a/mpi/i586/mpih-sub1.S +++ /dev/null @@ -1,144 +0,0 @@ -/* i80586 sub_n -- Sub two limb vectors of the same length > 0 and store - * sum in a third limb vector. - * - * Copyright (C) 1992, 1994, 1995, 1998, - * 2001 Free Software Foundation, Inc. - * - * This file is part of GnuPG. - * - * GnuPG is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * GnuPG 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA - * - * Note: This code is heavily based on the GNU MP Library. - * Actually it's the same code with only minor changes in the - * way the data is stored; this is to support the abstraction - * of an optional secure memory allocation which may be used - * to avoid revealing of sensitive data due to paging etc. - * The GNU MP Library itself is published under the LGPL; - * however I decided to publish this code under the plain GPL. - */ - - -#include "sysdep.h" -#include "asm-syntax.h" - - -/******************* - * mpi_limb_t - * mpihelp_sub_n( mpi_ptr_t res_ptr, (sp + 4) - * mpi_ptr_t s1_ptr, (sp + 8) - * mpi_ptr_t s2_ptr, (sp + 12) - * mpi_size_t size) (sp + 16) - */ - - -.text - ALIGN (3) - .globl C_SYMBOL_NAME(mpihelp_sub_n) -C_SYMBOL_NAME(mpihelp_sub_n:) - - pushl %edi - pushl %esi - pushl %ebx - pushl %ebp - - movl 20(%esp),%edi /* res_ptr */ - movl 24(%esp),%esi /* s1_ptr */ - movl 28(%esp),%ebp /* s2_ptr */ - movl 32(%esp),%ecx /* size */ - - movl (%ebp),%ebx - - decl %ecx - movl %ecx,%edx - shrl $3,%ecx - andl $7,%edx - testl %ecx,%ecx /* zero carry flag */ - jz Lend - pushl %edx - - ALIGN (3) -Loop: movl 28(%edi),%eax /* fetch destination cache line */ - leal 32(%edi),%edi - -L1: movl (%esi),%eax - movl 4(%esi),%edx - sbbl %ebx,%eax - movl 4(%ebp),%ebx - sbbl %ebx,%edx - movl 8(%ebp),%ebx - movl %eax,-32(%edi) - movl %edx,-28(%edi) - -L2: movl 8(%esi),%eax - movl 12(%esi),%edx - sbbl %ebx,%eax - movl 12(%ebp),%ebx - sbbl %ebx,%edx - movl 16(%ebp),%ebx - movl %eax,-24(%edi) - movl %edx,-20(%edi) - -L3: movl 16(%esi),%eax - movl 20(%esi),%edx - sbbl %ebx,%eax - movl 20(%ebp),%ebx - sbbl %ebx,%edx - movl 24(%ebp),%ebx - movl %eax,-16(%edi) - movl %edx,-12(%edi) - -L4: movl 24(%esi),%eax - movl 28(%esi),%edx - sbbl %ebx,%eax - movl 28(%ebp),%ebx - sbbl %ebx,%edx - movl 32(%ebp),%ebx - movl %eax,-8(%edi) - movl %edx,-4(%edi) - - leal 32(%esi),%esi - leal 32(%ebp),%ebp - decl %ecx - jnz Loop - - popl %edx -Lend: - decl %edx /* test %edx w/o clobbering carry */ - js Lend2 - incl %edx -Loop2: - leal 4(%edi),%edi - movl (%esi),%eax - sbbl %ebx,%eax - movl 4(%ebp),%ebx - movl %eax,-4(%edi) - leal 4(%esi),%esi - leal 4(%ebp),%ebp - decl %edx - jnz Loop2 -Lend2: - movl (%esi),%eax - sbbl %ebx,%eax - movl %eax,(%edi) - - sbbl %eax,%eax - negl %eax - - popl %ebp - popl %ebx - popl %esi - popl %edi - ret - |