From 3135725670cc060078604e3819fbc8c7415e83ba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Manuel=20P=C3=A9gouri=C3=A9-Gonnard?= <mpg@elzevir.fr>
Date: Tue, 24 Jun 2014 17:57:57 +0200
Subject: [PATCH] Disable broken Sparc64 bn_mul assembly

---
 ChangeLog                 | 1 +
 include/polarssl/bn_mul.h | 6 +++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 7dff0cfae..3ca702d64 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -54,6 +54,7 @@ Bugfix
    * Fix possible miscomputation of the premaster secret with DHE-PSK key
      exchange that caused some handshakes to fail with other implementations.
      (Failure rate <= 1/255 with common DHM moduli.)
+   * Disable broken Sparc64 bn_mul assembly (found by Florian Obser).
 
 = PolarSSL 1.3.7 released on 2014-05-02
 Features
diff --git a/include/polarssl/bn_mul.h b/include/polarssl/bn_mul.h
index 0e9385bef..64b59ff1e 100644
--- a/include/polarssl/bn_mul.h
+++ b/include/polarssl/bn_mul.h
@@ -409,7 +409,11 @@
 
 #endif /* PPC32 */
 
-#if defined(__sparc__) && defined(__sparc64__)
+/*
+ * The Sparc64 assembly is reported to be broken.
+ * Disable it for now, until we're able to fix it.
+ */
+#if 0 && defined(__sparc__) && defined(__sparc64__)
 
 #define MULADDC_INIT                                    \
     asm(                                                \