|  | #include "io.h" | 
|  |  | 
|  | int main() | 
|  | { | 
|  | long long rs, rt, dsp; | 
|  | long long ach = 5, acl = 5; | 
|  | long long resulth, resultl, resultdsp; | 
|  |  | 
|  | rs     = 0x00FF00FF; | 
|  | rt     = 0x00010002; | 
|  | resulth = 0x00; | 
|  | resultl = 0x7FFFFFFF; | 
|  | resultdsp = 0x01; | 
|  | __asm | 
|  | ("wrdsp %2\n\t" | 
|  | "mthi  %0, $ac1\n\t" | 
|  | "mtlo  %1, $ac1\n\t" | 
|  | "dpaqx_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) | 
|  | ); | 
|  | if ((dsp >> (16 + 1) != resultdsp) || (ach != resulth) || | 
|  | (acl != resultl)) { | 
|  | printf("dpaqx_sa.w.ph errror\n"); | 
|  | } | 
|  |  | 
|  | ach = 9; | 
|  | acl = 0xb; | 
|  | rs     = 0x800000FF; | 
|  | rt     = 0x00018000; | 
|  | resulth = 0x00; | 
|  | resultl = 0x7fffffff; | 
|  | resultdsp = 0x01; | 
|  | __asm | 
|  | ("wrdsp %2\n\t" | 
|  | "mthi  %0, $ac1\n\t" | 
|  | "mtlo  %1, $ac1\n\t" | 
|  | "dpaqx_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) | 
|  | ); | 
|  | if ((dsp >> (16 + 1) != resultdsp) || (ach != resulth) || | 
|  | (acl != resultl)) { | 
|  | printf("dpaqx_sa.w.ph errror\n"); | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } |