qemu/tests/tcg/mips/mips64-dsp/mfhi.c

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#include "io.h"
int main(void)
{
long long achi, acho;
long long result;
achi = 0x004433;
result = 0x004433;
__asm
("mthi %1, $ac1\n\t"
"mfhi %0, $ac1\n\t"
: "=r"(acho)
: "r"(achi)
);
if (result != acho) {
printf("mfhi wrong\n");
return -1;
}
return 0;
}