blob: 5fa58ccf63744bae1dd25da618980bae21b99e09 [file] [log] [blame] [edit]
#include<stdio.h>
#include<assert.h>
int main()
{
int rd, rt, dsp;
int result, resultdsp;
rt = 0x12345678;
result = 0xA000C000;
resultdsp = 1;
__asm
("wrdsp $0\n\t"
"shll.ph %0, %2, 0x0B\n\t"
"rddsp %1\n\t"
: "=r"(rd), "=r"(dsp)
: "r"(rt)
);
dsp = (dsp >> 22) & 0x01;
assert(dsp == resultdsp);
assert(rd == result);
rt = 0x7fff8000;
result = 0xfffe0000;
resultdsp = 1;
__asm
("wrdsp $0\n\t"
"shll.ph %0, %2, 0x01\n\t"
"rddsp %1\n\t"
: "=r"(rd), "=r"(dsp)
: "r"(rt)
);
dsp = (dsp >> 22) & 0x01;
assert(dsp == resultdsp);
assert(rd == result);
rt = 0x00000001;
result = 0x00008000;
resultdsp = 1;
__asm
("wrdsp $0\n\t"
"shll.ph %0, %2, 0x0F\n\t"
"rddsp %1\n\t"
: "=r"(rd), "=r"(dsp)
: "r"(rt)
);
dsp = (dsp >> 22) & 0x01;
assert(dsp == resultdsp);
assert(rd == result);
return 0;
}