gcc: add new rv32emc configurations
#791
| Job | Run time |
|---|---|
| 6s | |
| 43m 1s | |
| 55s | |
| 41m 5s | |
| 43m 3s | |
| 43m 3s | |
| 43m 2s | |
| 42m 55s | |
| 42m 53s | |
| 42m 52s | |
| 19m 25s | |
| 41m 26s | |
| 43m 11s | |
| 37m 54s | |
| 43m 10s | |
| 43m 10s | |
| 43m 11s | |
| 43m 9s | |
| 43m 8s | |
| 43m 9s | |
| 43m 7s | |
| 43m 6s | |
| 43m 3s | |
| 43m 6s | |
| 43m 5s | |
| 43m 3s | |
| 1s | |
| 1s | |
| 1s | |
| 16h 42m 21s |