Add libotr/etc sources

1 files changed, 96 insertions, 0 deletions

diff --git a/libotr/libgcrypt-1.8.7/mpi/pentium4/sse2/mpih-mul1.S b/libotr/libgcrypt-1.8.7/mpi/pentium4/sse2/mpih-mul1.S
new file mode 100644
index 0000000..a0c98fb
--- /dev/null
+++ b/libotr/libgcrypt-1.8.7/mpi/pentium4/sse2/mpih-mul1.S
@@ -0,0 +1,96 @@
+/* Intel Pentium-4 mpn_mul_1 -- Multiply a limb vector with a limb and store
+ * the result in a second limb vector.
+ *
+ * Copyright 2001, 2002, 2003, 2005 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_mul_1( mpi_ptr_t res_ptr,	(sp + 4)
+ *		  mpi_ptr_t s1_ptr,	(sp + 8)
+ *		  mpi_size_t s1_size,	(sp + 12)
+ *		  mpi_limb_t s2_limb)	(sp + 16)
+ *
+ *                           src != dst      src == dst
+ * P6 model 9  (Banias)          ?.?
+ * P6 model 13 (Dothan)          4.75            4.75
+ * P4 model 0  (Willamette)      4.0             6.0
+ * P4 model 1  (?)               4.0             6.0
+ * P4 model 2  (Northwood)       4.0             6.0
+ * P4 model 3  (Prescott)        ?.?             ?.?
+ * P4 model 4  (Nocona)          ?.?             ?.?
+ * Unfortunately when src==dst the write-combining described in
+ * pentium4/README takes us up to 6 c/l.
+ *
+ */
+
+	TEXT
+	ALIGN (3)
+	GLOBL	C_SYMBOL_NAME(_gcry_mpih_mul_1)
+C_SYMBOL_NAME(_gcry_mpih_mul_1:); 
+
+	pxor	%mm0, %mm0
+
+.Lstart_1c:
+	movl	8(%esp), %eax
+	movd	16(%esp), %mm7
+	movl	4(%esp), %edx
+	movl	12(%esp), %ecx
+
+.Ltop:
+
+/*
+	C eax	src, incrementing
+	C ebx
+	C ecx	counter, size iterations
+	C edx	dst, incrementing
+	C
+	C mm0	carry limb
+	C mm7	multiplier
+*/
+	
+	movd	(%eax), %mm1
+	addl	$4, %eax
+	pmuludq	%mm7, %mm1
+
+	paddq	%mm1, %mm0
+	movd	%mm0, (%edx)
+	addl	$4, %edx
+
+	psrlq	$32, %mm0
+
+	subl	$1, %ecx
+	jnz	.Ltop
+
+
+	movd	%mm0, %eax
+	emms
+	ret
+