#include "io.h" int main(void) { long long rt, rs, dsp; long long achi, acli; long long res, resdsp, resdsppos; int rsdsp; int tmp1, tmp2; rsdsp = 0xabcd1234; rs = 0x7; achi = 0x12345678; acli = 0x87654321; res = 0xff; resdsp = 0x0; resdsppos = 0x2c; __asm ("mthi %2, $ac1\n\t" "mtlo %3, $ac1\n\t" "wrdsp %4, 0x1\n\t" "wrdsp %4\n\t" "dextpdpv %0, $ac1, %5\n\t" "rddsp %1\n\t" : "=r"(rt), "=r"(dsp) : "r"(achi), "r"(acli), "r"(rsdsp), "r"(rs) ); tmp1 = (dsp >> 14) & 0x1; tmp2 = dsp & 0x3f; if ((tmp1 != resdsp) || (rt != res) || (tmp2 != resdsppos)) { printf("dextpdpv error\n"); return -1; } rsdsp = 0xabcd1200; rs = 0x7; achi = 0x12345678; acli = 0x87654321; resdsp = 0x1; __asm ("mthi %2, $ac1\n\t" "mtlo %3, $ac1\n\t" "wrdsp %4, 0x1\n\t" "wrdsp %4\n\t" "dextpdpv %0, $ac1, %5\n\t" "rddsp %1\n\t" : "=r"(rt), "=r"(dsp) : "r"(achi), "r"(acli), "r"(rsdsp), "r"(rs) ); tmp1 = (dsp >> 14) & 0x1; if (tmp1 != resdsp) { printf("dextpdpv error\n"); return -1; } return 0; }