qemu/tests/tcg/mips/mips64-dspr2/mulq_rs_w.c

41 lines
747 B
C
Raw Normal View History

#include"io.h"
int main(void)
{
long long rd, rs, rt, dsp;
long long result, resultdsp;
rs = 0x80001234;
rt = 0x80004321;
result = 0xFFFFFFFF80005555;
__asm
("mulq_rs.w %0, %1, %2\n\t"
: "=r"(rd)
: "r"(rs), "r"(rt)
);
if (rd != result) {
printf("mulq_rs.w error!\n");
return -1;
}
rs = 0x80000000;
rt = 0x80000000;
result = 0x7FFFFFFF;
resultdsp = 1;
__asm
("mulq_rs.w %0, %2, %3\n\t"
"rddsp %1\n\t"
: "=r"(rd), "=r"(dsp)
: "r"(rs), "r"(rt)
);
dsp = (dsp >> 21) & 0x01;
if (rd != result || dsp != resultdsp) {
printf("mulq_rs.w error\n");
return -1;
}
return 0;
}