|  | #include"io.h" | 
|  | int main() | 
|  | { | 
|  | long long rs, rt, dsp; | 
|  | long long ach = 5, acl = 5; | 
|  | long long resulth, resultl, resultdsp; | 
|  |  | 
|  | rs = 0xBC0123AD; | 
|  | rt = 0x01643721; | 
|  | resulth = 0x00; | 
|  | resultl = 0x7FFFFFFF; | 
|  | resultdsp = 0x01; | 
|  | __asm | 
|  | ("mthi  %0, $ac1\n\t" | 
|  | "mtlo  %1, $ac1\n\t" | 
|  | "dpsqx_sa.w.ph $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("dpsqx_sa.w.ph error\n"); | 
|  | return -1; | 
|  | } | 
|  |  | 
|  | ach = 0x8c0b354A; | 
|  | acl = 0xbbc02249; | 
|  | rs      = 0x800023AD; | 
|  | rt      = 0x01648000; | 
|  | resulth = 0xffffffffffffffff; | 
|  | resultl = 0xffffffff80000000; | 
|  | resultdsp = 0x01; | 
|  | __asm | 
|  | ("mthi  %0, $ac1\n\t" | 
|  | "mtlo  %1, $ac1\n\t" | 
|  | "dpsqx_sa.w.ph $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("dpsqx_sa.w.ph error\n"); | 
|  | return -1; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } |