commit d5bf428a7b806477844eccdf15412f8ea76ef368
author Simon Butcher <simon.butcher@arm.com> Sun Oct 28 17:29:13 2018 +0000
committer Simon Butcher <simon.butcher@arm.com> Sun Oct 28 17:29:13 2018 +0000
tree 8cdbec771162c8c6fa49e7a33e75d7ff27edd8a9
parent 5706452787f495132bf7c740cfd5049a2aeb6c65
parent 16b1bd89326ece62712c8ecc1142a41bd257d443

Merge remote-tracking branch 'public/pr/1618' into development-proposed

include/mbedtls/bn_mul.h

diff --git a/include/mbedtls/bn_mul.h b/include/mbedtls/bn_mul.h
index 6679389..0af694c 100644
--- a/include/mbedtls/bn_mul.h
+++ b/include/mbedtls/bn_mul.h
@@ -636,6 +636,23 @@
            "r6", "r7", "r8", "r9", "cc"         \
          );
 
+#elif defined (__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1)
+
+#define MULADDC_INIT                            \
+    asm(
+
+#define MULADDC_CORE                            \
+            "ldr    r0, [%0], #4        \n\t"   \
+            "ldr    r1, [%1]            \n\t"   \
+            "umaal  r1, %2, %3, r0      \n\t"   \
+            "str    r1, [%1], #4        \n\t"
+
+#define MULADDC_STOP                            \
+         : "=r" (s),  "=r" (d), "=r" (c)        \
+         : "r" (b), "0" (s), "1" (d), "2" (c)   \
+         : "r0", "r1", "memory"                 \
+         );
+
 #else
 
 #define MULADDC_INIT                                    \