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authorRené Schümann <white06tiger@gmail.com>2015-03-20 12:32:29 +0000
committerRené Schümann <white06tiger@gmail.com>2015-03-20 12:32:29 +0000
commit539705d58fc39a28388ff18c695dd406f4ffd1d9 (patch)
tree51db7a37a66c09f41734ba5573d972aae9f30d71 /plugins/MirOTR/Libgcrypt/mpi/mpih-mul3-asm.S
parent90171f125f36488dc08f5cfe0b0d4b78d995f08d (diff)
MirOTR: Libgcrypt and Libgpg-error update
Libgcrypt 1.4.6 => 1.6.3 Libgpg-error 1.9 => 1.18 git-svn-id: http://svn.miranda-ng.org/main/trunk@12449 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Diffstat (limited to 'plugins/MirOTR/Libgcrypt/mpi/mpih-mul3-asm.S')
-rw-r--r--plugins/MirOTR/Libgcrypt/mpi/mpih-mul3-asm.S66
1 files changed, 66 insertions, 0 deletions
diff --git a/plugins/MirOTR/Libgcrypt/mpi/mpih-mul3-asm.S b/plugins/MirOTR/Libgcrypt/mpi/mpih-mul3-asm.S
new file mode 100644
index 0000000000..4d458a794c
--- /dev/null
+++ b/plugins/MirOTR/Libgcrypt/mpi/mpih-mul3-asm.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