+------------------------------+---------+---------+
| Name | bits | visible |
+------------------------------+---------+---------+
+ | SB | [36-39] | y |
+ +------------------------------+---------+---------+
+ | FRINTTS | [32-35] | y |
+ +------------------------------+---------+---------+
| GPI | [31-28] | y |
+------------------------------+---------+---------+
| GPA | [27-24] | y |