qemu/tests/tcg/mips/mips32-dsp/subu_s_qb.c

26 lines
443 B
C

#include<stdio.h>
#include<assert.h>
int main()
{
int rd, rs, rt, dsp;
int result, resultdsp;
rs = 0x12345678;
rt = 0x87654321;
result = 0x00001357;
resultdsp = 0x01;
__asm
("subu_s.qb %0, %2, %3\n\t"
"rddsp %1\n\t"
: "=r"(rd), "=r"(dsp)
: "r"(rs), "r"(rt)
);
dsp = (dsp >> 20) & 0x01;
assert(dsp == resultdsp);
assert(rd == result);
return 0;
}