Index: sys/opencrypto/gfmult.h
===================================================================
--- sys/opencrypto/gfmult.h
+++ sys/opencrypto/gfmult.h
@@ -84,7 +84,7 @@
 #define GF128_EQ(a, b)		((((a).v[0] ^ (b).v[0]) | \
 				    ((a).v[1] ^ (b).v[1])) == 0)
 
-static inline struct gf128
+static inline struct gf128 __pure
 gf128_read(const uint8_t *buf)
 {
 	struct gf128 r;
@@ -108,7 +108,7 @@
 	be64enc(buf, v.v[1]);
 }
 
-static inline struct gf128 __pure /* XXX - __pure2 instead */
+static inline struct gf128 __pure2
 gf128_add(struct gf128 a, struct gf128 b)
 {
 	a.v[0] ^= b.v[0];