| 1 | /* |
| 2 | * Test R5900-specific MTLO1 and MTHI1. |
| 3 | */ |
| 4 | |
| 5 | #include <stdio.h> |
| 6 | #include <inttypes.h> |
| 7 | #include <assert.h> |
| 8 | |
| 9 | int main() |
| 10 | { |
| 11 | int32_t tlo = 12207031, thi = 305175781; |
| 12 | int32_t tlo1 = 32452867, thi1 = 49979687; |
| 13 | int32_t flo, fhi, flo1, fhi1; |
| 14 | |
| 15 | /* Test both LO/HI and LO1/HI1 to verify separation. */ |
| 16 | __asm__ __volatile__ ( |
| 17 | " mtlo %4\n" |
| 18 | " mthi %5\n" |
| 19 | " mtlo1 %6\n" |
| 20 | " mthi1 %7\n" |
| 21 | " move %0, $0\n" |
| 22 | " move %1, $0\n" |
| 23 | " move %2, $0\n" |
| 24 | " move %3, $0\n" |
| 25 | " mflo %0\n" |
| 26 | " mfhi %1\n" |
| 27 | " mflo1 %2\n" |
| 28 | " mfhi1 %3\n" |
| 29 | : "=r" (flo), "=r" (fhi), |
| 30 | "=r" (flo1), "=r" (fhi1) |
| 31 | : "r" (tlo), "r" (thi), |
| 32 | "r" (tlo1), "r" (thi1)); |
| 33 | |
| 34 | assert(flo == 12207031); |
| 35 | assert(fhi == 305175781); |
| 36 | assert(flo1 == 32452867); |
| 37 | assert(fhi1 == 49979687); |
| 38 | |
| 39 | return 0; |
| 40 | } |