60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
|
#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;
|
||
|
|
}
|