str[min(size - 1, (size_t)64)] = 0;
return 64;
}
+
+struct tnum tnum_subreg(struct tnum a)
+{
+ return tnum_cast(a, 4);
+}
+
+struct tnum tnum_clear_subreg(struct tnum a)
+{
+ return tnum_lshift(tnum_rshift(a, 32), 32);
+}
+
+struct tnum tnum_const_subreg(struct tnum a, u32 value)
+{
+ return tnum_or(tnum_clear_subreg(a), tnum_const(value));
+}