-opcode("ishl", 0, tint, [0, 0], [tint, tuint32], "", "src0 << (src1 & (sizeof(src0) * 8 - 1))")
-opcode("ishr", 0, tint, [0, 0], [tint, tuint32], "", "src0 >> (src1 & (sizeof(src0) * 8 - 1))")
-opcode("ushr", 0, tuint, [0, 0], [tuint, tuint32], "", "src0 >> (src1 & (sizeof(src0) * 8 - 1))")
+opcode("ishl", 0, tint, [0, 0], [tint, tuint32], False, "",
+ "src0 << (src1 & (sizeof(src0) * 8 - 1))")
+opcode("ishr", 0, tint, [0, 0], [tint, tuint32], False, "",
+ "src0 >> (src1 & (sizeof(src0) * 8 - 1))")
+opcode("ushr", 0, tuint, [0, 0], [tuint, tuint32], False, "",
+ "src0 >> (src1 & (sizeof(src0) * 8 - 1))")
+
+opcode("urol", 0, tuint, [0, 0], [tuint, tuint32], False, "", """
+ uint32_t rotate_mask = sizeof(src0) * 8 - 1;
+ dst = (src0 << (src1 & rotate_mask)) |
+ (src0 >> (-src1 & rotate_mask));
+""")
+opcode("uror", 0, tuint, [0, 0], [tuint, tuint32], False, "", """
+ uint32_t rotate_mask = sizeof(src0) * 8 - 1;
+ dst = (src0 >> (src1 & rotate_mask)) |
+ (src0 << (-src1 & rotate_mask));
+""")