56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
#include<stdio.h>
|
|
#include<assert.h>
|
|
|
|
int main()
|
|
{
|
|
int rt, rs;
|
|
int achi, acli;
|
|
int dsp;
|
|
int acho, aclo;
|
|
int resulth, resultl;
|
|
int resdsp;
|
|
|
|
achi = 0x00000005;
|
|
acli = 0x0000B4CB;
|
|
rs = 0xFF060000;
|
|
rt = 0xCB000000;
|
|
resulth = 0x00000005;
|
|
resultl = 0x006838CB;
|
|
|
|
__asm
|
|
("mthi %2, $ac1\n\t"
|
|
"mtlo %3, $ac1\n\t"
|
|
"maq_s.w.phl $ac1, %4, %5\n\t"
|
|
"mfhi %0, $ac1\n\t"
|
|
"mflo %1, $ac1\n\t"
|
|
: "=r"(acho), "=r"(aclo)
|
|
: "r"(achi), "r"(acli), "r"(rs), "r"(rt)
|
|
);
|
|
assert(resulth == acho);
|
|
assert(resultl == aclo);
|
|
|
|
achi = 0x00000006;
|
|
acli = 0x0000B4CB;
|
|
rs = 0x80000000;
|
|
rt = 0x80000000;
|
|
resulth = 0x00000006;
|
|
resultl = 0x8000B4CA;
|
|
resdsp = 1;
|
|
|
|
__asm
|
|
("mthi %3, $ac1\n\t"
|
|
"mtlo %4, $ac1\n\t"
|
|
"maq_s.w.phl $ac1, %5, %6\n\t"
|
|
"mfhi %0, $ac1\n\t"
|
|
"mflo %1, $ac1\n\t"
|
|
"rddsp %2\n\t"
|
|
: "=r"(acho), "=r"(aclo), "=r"(dsp)
|
|
: "r"(achi), "r"(acli), "r"(rs), "r"(rt)
|
|
);
|
|
assert(resulth == acho);
|
|
assert(resultl == aclo);
|
|
assert(((dsp >> 17) & 0x01) == resdsp);
|
|
|
|
return 0;
|
|
}
|