| #include "io.h" |
| |
| int main(void) |
| { |
| long long rs, rt, dsp; |
| long long ach = 5, acl = 5; |
| long long resulth, resultl, resultdsp; |
| |
| rs = 0xBC0123AD; |
| rt = 0x01643721; |
| |
| resulth = 0xfffffffffdf4cbe0; |
| resultl = 0xFFFFFFFFd138776b; |
| resultdsp = 0x00; |
| __asm |
| ("mthi %0, $ac1\n\t" |
| "mtlo %1, $ac1\n\t" |
| "dpsq_sa.l.w $ac1, %3, %4\n\t" |
| "mfhi %0, $ac1\n\t" |
| "mflo %1, $ac1\n\t" |
| "rddsp %2\n\t" |
| : "+r"(ach), "+r"(acl), "=r"(dsp) |
| : "r"(rs), "r"(rt) |
| ); |
| dsp = (dsp >> 17) & 0x01; |
| if ((dsp != resultdsp) || (ach != resulth) || (acl != resultl)) { |
| printf("1 dpsq_sa.l.w wrong\n"); |
| |
| return -1; |
| } |
| |
| ach = 0x54321123; |
| acl = 5; |
| rs = 0x80000000; |
| rt = 0x80000000; |
| |
| resulth = 0xffffffffd4321123; |
| resultl = 0x06; |
| resultdsp = 0x01; |
| |
| __asm |
| ("mthi %0, $ac1\n\t" |
| "mtlo %1, $ac1\n\t" |
| "dpsq_sa.l.w $ac1, %3, %4\n\t" |
| "mfhi %0, $ac1\n\t" |
| "mflo %1, $ac1\n\t" |
| "rddsp %2\n\t" |
| : "+r"(ach), "+r"(acl), "=r"(dsp) |
| : "r"(rs), "r"(rt) |
| ); |
| dsp = (dsp >> 17) & 0x01; |
| if ((dsp != resultdsp) || (ach != resulth) || (acl != resultl)) { |
| printf("2 dpsq_sa.l.w wrong\n"); |
| |
| return -1; |
| } |
| |
| return 0; |
| } |