48 lines
1.0 KiB
C
48 lines
1.0 KiB
C
|
#include"io.h"
|
||
|
|
|
||
|
|
int main(void)
|
||
|
|
{
|
||
|
|
long long rs, rt;
|
||
|
|
long long ach = 5, acl = 5;
|
||
|
|
long long resulth, resultl;
|
||
|
|
|
||
|
|
rs = 0x00FF00FF;
|
||
|
|
rt = 0x00010002;
|
||
|
|
resulth = 0x05;
|
||
|
|
resultl = 0x0302;
|
||
|
|
__asm
|
||
|
|
("mthi %0, $ac1\n\t"
|
||
|
|
"mtlo %1, $ac1\n\t"
|
||
|
|
"dpa.w.ph $ac1, %2, %3\n\t"
|
||
|
|
"mfhi %0, $ac1\n\t"
|
||
|
|
"mflo %1, $ac1\n\t"
|
||
|
|
: "+r"(ach), "+r"(acl)
|
||
|
|
: "r"(rs), "r"(rt)
|
||
|
|
);
|
||
|
|
if ((ach != resulth) || (acl != resultl)) {
|
||
|
|
printf("1 dpa.w.ph error\n");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
ach = 6, acl = 7;
|
||
|
|
rs = 0xFFFF00FF;
|
||
|
|
rt = 0xFFFF0002;
|
||
|
|
resulth = 0x05;
|
||
|
|
resultl = 0xfffffffffffe0206;
|
||
|
|
__asm
|
||
|
|
("mthi %0, $ac1\n\t"
|
||
|
|
"mtlo %1, $ac1\n\t"
|
||
|
|
"dpa.w.ph $ac1, %2, %3\n\t"
|
||
|
|
"mfhi %0, $ac1\n\t"
|
||
|
|
"mflo %1, $ac1\n\t"
|
||
|
|
: "+r"(ach), "+r"(acl)
|
||
|
|
: "r"(rs), "r"(rt)
|
||
|
|
);
|
||
|
|
if ((ach != resulth) || (acl != resultl)) {
|
||
|
|
printf("2 dpa.w.ph error\n");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|