Index: nss/mozilla/security/nss/lib/freebl/mpi/mpi_arm.c |
=================================================================== |
--- nss/mozilla/security/nss/lib/freebl/mpi/mpi_arm.c (revision 0) |
+++ nss/mozilla/security/nss/lib/freebl/mpi/mpi_arm.c (revision 0) |
@@ -0,0 +1,203 @@ |
+/* ***** BEGIN LICENSE BLOCK ***** |
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1 |
+ * |
+ * The contents of this file are subject to the Mozilla Public License Version |
+ * 1.1 (the "License"); you may not use this file except in compliance with |
+ * the License. You may obtain a copy of the License at |
+ * http://www.mozilla.org/MPL/ |
+ * |
+ * Software distributed under the License is distributed on an "AS IS" basis, |
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License |
+ * for the specific language governing rights and limitations under the |
+ * License. |
+ * |
+ * The Original Code is the Netscape security libraries. |
+ * |
+ * The Initial Developer of the Original Code is Mozilla Japan. |
+ * Portions created by the Initial Developer are Copyright (C) 2010 |
+ * the Initial Developer. All Rights Reserved. |
+ * |
+ * Contributor(s): |
+ * Makoto Kato <m_kato@ga2.so-net.ne.jp> (Original Author) |
+ * |
+ * Alternatively, the contents of this file may be used under the terms of |
+ * either the GNU General Public License Version 2 or later (the "GPL"), or |
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), |
+ * in which case the provisions of the GPL or the LGPL are applicable instead |
+ * of those above. If you wish to allow use of your version of this file only |
+ * under the terms of either the GPL or the LGPL, and not to allow others to |
+ * use your version of this file under the terms of the MPL, indicate your |
+ * decision by deleting the provisions above and replace them with the notice |
+ * and other provisions required by the GPL or the LGPL. If you do not delete |
+ * the provisions above, a recipient may use your version of this file under |
+ * the terms of any one of the MPL, the GPL or the LGPL. |
+ * |
+ * ***** END LICENSE BLOCK ***** */ |
+ |
+/* This inlined version is for 32-bit ARM platform only */ |
+ |
+#if !defined(__arm__) |
+#error "This is for ARM only" |
+#endif |
+ |
+/* 16-bit thumb doesn't work inlined assember version */ |
Mark Mentovai
2012/08/02 14:50:34
This doesn’t quite seem like a sentence.
wtc
2012/11/26 22:22:44
This file was contributed by someone else. I'll
a
|
+#if (!defined(__thumb__) || defined(__thumb2__)) && !defined(__ARM_ARCH_3__) |
+ |
+#include "mpi-priv.h" |
+ |
+#ifdef MP_ASSEMBLY_MULTIPLY |
+void s_mpv_mul_d(const mp_digit *a, mp_size a_len, mp_digit b, mp_digit *c) |
+{ |
+ __asm__ __volatile__( |
+ "mov r5, #0\n" |
+#ifdef __thumb2__ |
+ "cbz %1, 2f\n" |
+#else |
+ "cmp %1, r5\n" /* r5 is 0 now */ |
+ "beq 2f\n" |
+#endif |
+ |
+ "1:\n" |
+ "mov r4, #0\n" |
+ "ldr r6, [%0], #4\n" |
+ "umlal r5, r4, r6, %2\n" |
+ "str r5, [%3], #4\n" |
+ "mov r5, r4\n" |
+ |
+ "subs %1, #1\n" |
+ "bne 1b\n" |
+ |
+ "2:\n" |
+ "str r5, [%3]\n" |
+ : |
+ : "r"(a), "r"(a_len), "r"(b), "r"(c) |
+ : "memory", "cc", "%r4", "%r5", "%r6"); |
+} |
+ |
+void s_mpv_mul_d_add(const mp_digit *a, mp_size a_len, mp_digit b, mp_digit *c) |
+{ |
+ __asm__ __volatile__( |
+ "mov r5, #0\n" |
+#ifdef __thumb2__ |
+ "cbz %1, 2f\n" |
+#else |
+ "cmp %1, r5\n" /* r5 is 0 now */ |
+ "beq 2f\n" |
+#endif |
+ |
+ "1:\n" |
+ "mov r4, #0\n" |
+ "ldr r6, [%3]\n" |
+ "adds r5, r6\n" |
+ "adc r4, #0\n" |
droger
2012/10/29 14:38:54
When we tried building this on trunk we had a synt
|
+ |
+ "ldr r6, [%0], #4\n" |
+ "umlal r5, r4, r6, %2\n" |
+ "str r5, [%3], #4\n" |
+ "mov r5, r4\n" |
+ |
+ "subs %1, #1\n" |
+ "bne 1b\n" |
+ |
+ "2:\n" |
+ "str r5, [%3]\n" |
+ : |
+ : "r"(a), "r"(a_len), "r"(b), "r"(c) |
+ : "memory", "cc", "%r4", "%r5", "%r6"); |
+} |
+ |
+void s_mpv_mul_d_add_prop(const mp_digit *a, mp_size a_len, mp_digit b, mp_digit *c) |
+{ |
+ if (!a_len) |
Mark Mentovai
2012/08/02 14:50:34
Just curious why you’re handling this in C code he
|
+ return; |
+ |
+ __asm__ __volatile__( |
+ "mov r5, #0\n" |
+ |
+ "1:\n" |
+ "mov r4, #0\n" |
+ "ldr r6, [%3]\n" |
+ "adds r5, r6\n" |
+ "adc r4, #0\n" |
+ "ldr r6, [%0], #4\n" |
+ "umlal r5, r4, r6, %2\n" |
+ "str r5, [%3], #4\n" |
+ "mov r5, r4\n" |
+ |
+ "subs %1, #1\n" |
+ "bne 1b\n" |
+ |
+#ifdef __thumb2__ |
+ "cbz r4, 3f\n" |
+#else |
+ "cmp r4, #0\n" |
+ "beq 3f\n" |
+#endif |
+ |
+ "2:\n" |
+ "mov r4, #0\n" |
+ "ldr r6, [%3]\n" |
+ "adds r5, r6\n" |
+ "adc r4, #0\n" |
+ "str r5, [%3], #4\n" |
+ "movs r5, r4\n" |
+ "bne 2b\n" |
+ |
+ "3:\n" |
+ : |
+ : "r"(a), "r"(a_len), "r"(b), "r"(c) |
+ : "memory", "cc", "%r4", "%r5", "%r6"); |
+} |
+#endif |
+ |
+#ifdef MP_ASSEMBLY_SQUARE |
+void s_mpv_sqr_add_prop(const mp_digit *pa, mp_size a_len, mp_digit *ps) |
+{ |
+ if (!a_len) |
+ return; |
+ |
+ __asm__ __volatile__( |
+ "mov r3, #0\n" |
+ |
+ "1:\n" |
+ "mov r4, #0\n" |
+ "ldr r6, [%0], #4\n" |
+ "ldr r5, [%2]\n" |
+ "adds r3, r5\n" |
+ "adc r4, #0\n" |
+ "umlal r3, r4, r6, r6\n" /* w = r3:r4 */ |
+ "str r3, [%2], #4\n" |
+ |
+ "ldr r5, [%2]\n" |
+ "adds r3, r4, r5\n" |
+ "mov r4, #0\n" |
+ "adc r4, #0\n" |
+ "str r3, [%2], #4\n" |
+ "mov r3, r4\n" |
+ |
+ "subs %1, #1\n" |
+ "bne 1b\n" |
+ |
+#ifdef __thumb2__ |
+ "cbz r3, 3f\n" |
+#else |
+ "cmp r3, #0\n" |
+ "beq 3f\n" |
+#endif |
+ |
+ "2:\n" |
+ "mov r4, #0\n" |
+ "ldr r5, [%2]\n" |
+ "adds r3, r5\n" |
+ "adc r4, #0\n" |
+ "str r3, [%2], #4\n" |
+ "movs r3, r4\n" |
+ "bne 2b\n" |
+ |
+ "3:" |
+ : |
+ : "r"(pa), "r"(a_len), "r"(ps) |
+ : "memory", "cc", "%r3", "%r4", "%r5", "%r6"); |
+} |
+#endif |
+#endif |
Property changes on: nss/mozilla/security/nss/lib/freebl/mpi/mpi_arm.c |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |