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#include "io.h"
int main(void)
{
long long rs, rt, dsp;
long long ach = 5, acl = 5;
long long resulth, resultl, resultdsp;
rs = 0xBC0123AD;
rt = 0x01643721;
resulth = 0xfffffffffdf4cbe0;
resultl = 0xFFFFFFFFd138776b;
resultdsp = 0x00;
__asm
("mthi %0, $ac1\n\t"
"mtlo %1, $ac1\n\t"
"dpsq_sa.l.w $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)
);
dsp = (dsp >> 17) & 0x01;
if ((dsp != resultdsp) || (ach != resulth) || (acl != resultl)) {
printf("1 dpsq_sa.l.w wrong\n");
return -1;
}
ach = 0x54321123;
acl = 5;
rs = 0x80000000;
rt = 0x80000000;
resulth = 0xffffffffd4321123;
resultl = 0x06;
resultdsp = 0x01;
__asm
("mthi %0, $ac1\n\t"
"mtlo %1, $ac1\n\t"
"dpsq_sa.l.w $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)
);
dsp = (dsp >> 17) & 0x01;
if ((dsp != resultdsp) || (ach != resulth) || (acl != resultl)) {
printf("2 dpsq_sa.l.w wrong\n");
return -1;
}
return 0;
}
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