Index: uspace/lib/c/arch/ia64/include/libarch/types.h
===================================================================
--- uspace/lib/c/arch/ia64/include/libarch/types.h	(revision 309a894300ff4341efadc0328ec245dbabf3f105)
+++ uspace/lib/c/arch/ia64/include/libarch/types.h	(revision f3831afcf933f2b3baefc871e81f1735fa29f5a9)
@@ -49,10 +49,10 @@
 	uint64_t lo;
 	int64_t hi;
-} int128_t;
+} __attribute__((aligned(16))) int128_t;
 
 typedef struct {
 	uint64_t lo;
 	uint64_t hi;
-} uint128_t;
+} __attribute__((aligned(16))) uint128_t;
 
 typedef uint64_t sysarg_t;