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-rw-r--r--scripts/conf-w32brg/mpi/nasm586/mpih-sub1.asm114
1 files changed, 114 insertions, 0 deletions
diff --git a/scripts/conf-w32brg/mpi/nasm586/mpih-sub1.asm b/scripts/conf-w32brg/mpi/nasm586/mpih-sub1.asm
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index 000000000..f281a95a5
--- /dev/null
+++ b/scripts/conf-w32brg/mpi/nasm586/mpih-sub1.asm
@@ -0,0 +1,114 @@
+
+; 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, 1996, 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
+;
+; Modified versions of the GPG i586 assembler for use with NASM. This
+; file is part of a native port of Gnu PG for use with Microsoft Visual
+; Studio .net. Ported by Brian Gladman <[email protected]> March 2002.
+
+ global _mpihelp_sub_n
+
+ section .text
+ align 8
+
+_mpihelp_sub_n:
+ push edi
+ push esi
+ push ebx
+ push ebp
+ mov edi,[20+esp]
+ mov esi,[24+esp]
+ mov ebp,[28+esp]
+ mov ecx,[32+esp]
+ mov ebx,[ebp]
+ dec ecx
+ mov edx,ecx
+ shr ecx,3
+ and edx,7
+ test ecx,ecx
+ jz short .2
+ push edx
+
+ align 8
+.1: mov eax,[28+edi]
+ lea edi,[32+edi]
+ mov eax,[esi]
+ mov edx,[4+esi]
+ sbb eax,ebx
+ mov ebx,[4+ebp]
+ sbb edx,ebx
+ mov ebx,[8+ebp]
+ mov [-32+edi],eax
+ mov [-28+edi],edx
+ mov eax,[8+esi]
+ mov edx,[12+esi]
+ sbb eax,ebx
+ mov ebx,[12+ebp]
+ sbb edx,ebx
+ mov ebx,[16+ebp]
+ mov [-24+edi],eax
+ mov [-20+edi],edx
+ mov eax,[16+esi]
+ mov edx,[20+esi]
+ sbb eax,ebx
+ mov ebx,[20+ebp]
+ sbb edx,ebx
+ mov ebx,[24+ebp]
+ mov [-16+edi],eax
+ mov [-12+edi],edx
+ mov eax,[24+esi]
+ mov edx,[28+esi]
+ sbb eax,ebx
+ mov ebx,[28+ebp]
+ sbb edx,ebx
+ mov ebx,[32+ebp]
+ mov [-8+edi],eax
+ mov [-4+edi],edx
+ lea esi,[32+esi]
+ lea ebp,[32+ebp]
+ dec ecx
+ jnz short .1
+ pop edx
+.2: dec edx
+ js short .4
+ inc edx
+.3: lea edi,[4+edi]
+ mov eax,[esi]
+ sbb eax,ebx
+ mov ebx,[4+ebp]
+ mov [-4+edi],eax
+ lea esi,[4+esi]
+ lea ebp,[4+ebp]
+ dec edx
+ jnz short .3
+.4: mov eax,[esi]
+ sbb eax,ebx
+ mov [edi],eax
+ sbb eax,eax
+ neg eax
+ pop ebp
+ pop ebx
+ pop esi
+ pop edi
+ ret
+
+ end