| 1 | /* See if ADOX give expected results */ |
| 2 | |
| 3 | #include <assert.h> |
| 4 | #include <stdint.h> |
| 5 | #include <stdbool.h> |
| 6 | |
| 7 | static uint64_t adoxq(bool *c_out, uint64_t a, uint64_t b, bool c) |
| 8 | { |
| 9 | asm ("addl $0x7fffffff, %k1\n\t" |
| 10 | "adoxq %2, %0\n\t" |
| 11 | "seto %b1" |
| 12 | : "+r"(a), "=&r"(c) : "r"(b), "1"((int)c)); |
| 13 | *c_out = c; |
| 14 | return a; |
| 15 | } |
| 16 | |
| 17 | static uint64_t adoxl(bool *c_out, uint64_t a, uint64_t b, bool c) |
| 18 | { |
| 19 | asm ("addl $0x7fffffff, %k1\n\t" |
| 20 | "adoxl %k2, %k0\n\t" |
| 21 | "seto %b1" |
| 22 | : "+r"(a), "=&r"(c) : "r"(b), "1"((int)c)); |
| 23 | *c_out = c; |
| 24 | return a; |
| 25 | } |
| 26 | |
| 27 | int main() |
| 28 | { |
| 29 | uint64_t r; |
| 30 | bool c; |
| 31 | |
| 32 | r = adoxq(&c, 0, 0, 0); |
| 33 | assert(r == 0); |
| 34 | assert(c == 0); |
| 35 | |
| 36 | r = adoxl(&c, 0, 0, 0); |
| 37 | assert(r == 0); |
| 38 | assert(c == 0); |
| 39 | |
| 40 | r = adoxl(&c, 0x100000000, 0, 0); |
| 41 | assert(r == 0); |
| 42 | assert(c == 0); |
| 43 | |
| 44 | r = adoxq(&c, 0, 0, 1); |
| 45 | assert(r == 1); |
| 46 | assert(c == 0); |
| 47 | |
| 48 | r = adoxl(&c, 0, 0, 1); |
| 49 | assert(r == 1); |
| 50 | assert(c == 0); |
| 51 | |
| 52 | r = adoxq(&c, -1, -1, 0); |
| 53 | assert(r == -2); |
| 54 | assert(c == 1); |
| 55 | |
| 56 | r = adoxl(&c, -1, -1, 0); |
| 57 | assert(r == 0xfffffffe); |
| 58 | assert(c == 1); |
| 59 | |
| 60 | r = adoxq(&c, -1, -1, 1); |
| 61 | assert(r == -1); |
| 62 | assert(c == 1); |
| 63 | |
| 64 | r = adoxl(&c, -1, -1, 1); |
| 65 | assert(r == 0xffffffff); |
| 66 | assert(c == 1); |
| 67 | |
| 68 | return 0; |
| 69 | } |