| #include"io.h" |
| |
| int main(void) |
| { |
| long long rs, rt; |
| long long ach = 5, acl = 5; |
| long long resulth, resultl; |
| |
| rs = 0x00FF00FF; |
| rt = 0x00010002; |
| resulth = 0x05; |
| resultl = 0x0302; |
| __asm |
| ("mthi %0, $ac1\n\t" |
| "mtlo %1, $ac1\n\t" |
| "dpa.w.ph $ac1, %2, %3\n\t" |
| "mfhi %0, $ac1\n\t" |
| "mflo %1, $ac1\n\t" |
| : "+r"(ach), "+r"(acl) |
| : "r"(rs), "r"(rt) |
| ); |
| if ((ach != resulth) || (acl != resultl)) { |
| printf("1 dpa.w.ph error\n"); |
| return -1; |
| } |
| |
| ach = 6, acl = 7; |
| rs = 0xFFFF00FF; |
| rt = 0xFFFF0002; |
| resulth = 0x05; |
| resultl = 0xfffffffffffe0206; |
| __asm |
| ("mthi %0, $ac1\n\t" |
| "mtlo %1, $ac1\n\t" |
| "dpa.w.ph $ac1, %2, %3\n\t" |
| "mfhi %0, $ac1\n\t" |
| "mflo %1, $ac1\n\t" |
| : "+r"(ach), "+r"(acl) |
| : "r"(rs), "r"(rt) |
| ); |
| if ((ach != resulth) || (acl != resultl)) { |
| printf("2 dpa.w.ph error\n"); |
| return -1; |
| } |
| |
| return 0; |
| } |