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