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-rw-r--r--plugins/MirOTR/libgcrypt-1.4.6/mpi/i586/mpih-sub1.S142
1 files changed, 142 insertions, 0 deletions
diff --git a/plugins/MirOTR/libgcrypt-1.4.6/mpi/i586/mpih-sub1.S b/plugins/MirOTR/libgcrypt-1.4.6/mpi/i586/mpih-sub1.S
new file mode 100644
index 0000000000..ef2d580743
--- /dev/null
+++ b/plugins/MirOTR/libgcrypt-1.4.6/mpi/i586/mpih-sub1.S
@@ -0,0 +1,142 @@
+/* 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, 2002 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt 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.
+ *
+ * Libgcrypt 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 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.
+ */
+
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+
+/*******************
+ * mpi_limb_t
+ * _gcry_mpih_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(_gcry_mpih_sub_n)
+C_SYMBOL_NAME(_gcry_mpih_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
+