Microblaze assembly seems to be broken, fixes: http://autobuild.buildroot.net/results/4d5/4d54958ded61a0d929d992e4ca0bb31c996953cb/ Signed-off-by: Gustavo Zacarias diff -Nura polarssl-1.2.11.orig/include/polarssl/bn_mul.h polarssl-1.2.11/include/polarssl/bn_mul.h --- polarssl-1.2.11.orig/include/polarssl/bn_mul.h 2014-07-30 15:47:27.381658434 -0300 +++ polarssl-1.2.11/include/polarssl/bn_mul.h 2014-07-30 15:48:52.616543074 -0300 @@ -480,7 +480,7 @@ #endif /* SPARCv8 */ -#if defined(__microblaze__) || defined(microblaze) +#if 0 && defined(__microblaze__) || defined(microblaze) #define MULADDC_INIT \ asm( \