# Cortex-A57 2.70/+7% 1.14
# Denver 1.64/+50% 1.18(*)
# X-Gene 2.13/+68% 2.27
+# Mongoose 1.77/+75% 1.12
+# Kryo 2.70/+55% 1.13
#
# (*) estimate based on resources availability is less than 1.0,
# i.e. measured result is worse than expected, presumably binary
csel $d0,$d0,$r0,eq
csel $d1,$d1,$r1,eq
+#ifdef __ILP32__
+ stp w12,w13,[$len]
+#else
stp $d0,$d1,[$len]
+#endif
mov x0,#1
.Lno_key: