From 7c5fcdc17a1178c6f7da3f824f1c61f2f2fb3797 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Manuel=20P=C3=A9gouri=C3=A9-Gonnard?= <mpg2@elzevir.fr>
Date: Wed, 21 Oct 2015 14:52:24 +0200
Subject: [PATCH] Disable reportedly broken assembly of Sparc(64)

fixes #292
---
 ChangeLog                |  6 ++++++
 include/mbedtls/bn_mul.h | 11 ++++++-----
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index aa96b1848..563a52d5b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 mbed TLS ChangeLog (Sorted per branch, date)
 
+= mbed TLS 2.2.0 released 2015-10-xx
+
+Bugfix
+   * Fix failures in MPI on Sparc(64) due to use of bad assembly code.
+     Found by Kurt Danielson. #292
+
 = mbed TLS 2.1.2 released 2015-10-06
 
 Security
diff --git a/include/mbedtls/bn_mul.h b/include/mbedtls/bn_mul.h
index 003f605bb..5408d4146 100644
--- a/include/mbedtls/bn_mul.h
+++ b/include/mbedtls/bn_mul.h
@@ -412,10 +412,11 @@
 #endif /* PPC32 */
 
 /*
- * The Sparc64 assembly is reported to be broken.
+ * The Sparc(64) assembly is reported to be broken.
  * Disable it for now, until we're able to fix it.
  */
-#if 0 && defined(__sparc__) && defined(__sparc64__)
+#if 0 && defined(__sparc__)
+#if defined(__sparc64__)
 
 #define MULADDC_INIT                                    \
     asm(                                                \
@@ -446,9 +447,8 @@
         : "g1", "o0", "o1", "o2", "o3", "o4",   \
           "o5"                                  \
         );
-#endif /* SPARCv9 */
 
-#if defined(__sparc__) && !defined(__sparc64__)
+#else /* __sparc64__ */
 
 #define MULADDC_INIT                                    \
     asm(                                                \
@@ -480,7 +480,8 @@
           "o5"                                  \
         );
 
-#endif /* SPARCv8 */
+#endif /* __sparc64__ */
+#endif /* __sparc__ */
 
 #if defined(__microblaze__) || defined(microblaze)