1 files changed, 66 insertions, 0 deletions
diff --git a/plugins/MirOTR/Libgcrypt/mpi/amd64/mpih-mul3.S b/plugins/MirOTR/Libgcrypt/mpi/amd64/mpih-mul3.S
new file mode 100644
index 0000000000..4d458a794c
--- /dev/null
+++ b/plugins/MirOTR/Libgcrypt/mpi/amd64/mpih-mul3.S
@@ -0,0 +1,66 @@
+/* AMD64 submul_1 -- Multiply a limb vector with a limb and add
+ *		      the result to a second limb vector.
+ *
+ *      Copyright (C) 1992, 1994, 1998, 
+ *                    2001, 2002, 2006 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_submul_1( mpi_ptr_t res_ptr,   (rdi)
+ *		     mpi_ptr_t s1_ptr,	     (rsi)
+ *		     mpi_size_t s1_size,     (rdx)
+ *		     mpi_limb_t s2_limb)     (rcx)
+ */
+	TEXT
+	GLOBL	C_SYMBOL_NAME(_gcry_mpih_submul_1)
+C_SYMBOL_NAME(_gcry_mpih_submul_1:)
+
+	movq	%rdx, %r11
+	leaq	(%rsi,%r11,8), %rsi
+	leaq	(%rdi,%r11,8), %rdi
+	negq	%r11
+	xorl	%r8d, %r8d
+
+	ALIGN(3)			/* minimal alignment for claimed speed */
+.Loop:	movq	(%rsi,%r11,8), %rax
+	movq	(%rdi,%r11,8), %r10
+	mulq	%rcx
+	subq	%r8, %r10
+	movl	$0, %r8d
+	adcl	%r8d, %r8d
+	subq	%rax, %r10
+	adcq	%rdx, %r8
+	movq	%r10, (%rdi,%r11,8)
+	incq	%r11
+	jne	.Loop
+
+	movq	%r8, %rax
+	ret