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

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#include<stdio.h>
#include<assert.h>
int main()
{
int rd, rs, rt;
int dsp;
int result;
rs = 0x12345678;
rt = 0x87654321;
result = 0x12348765;
__asm
("wrdsp $0\n\t"
"precrq_rs.ph.w %0, %1, %2\n\t"
: "=r"(rd)
: "r"(rs), "r"(rt)
);
assert(result == rd);
rs = 0x7FFFC678;
rt = 0x865432A0;
result = 0x7FFF8654;
__asm
("wrdsp $0\n\t"
"precrq_rs.ph.w %0, %2, %3\n\t"
"rddsp %1\n\t"
: "=r"(rd), "=r"(dsp)
: "r"(rs), "r"(rt)
);
assert(((dsp >> 22) & 0x01) == 1);
assert(result == rd);
rs = 0xBEEFFEED;
rt = 0x7FFF8000;
result = 0xBEF07FFF;
__asm
("wrdsp $0\n\t"
"precrq_rs.ph.w %0, %2, %3\n\t"
"rddsp %1\n\t"
: "=r"(rd), "=r"(dsp)
: "r"(rs), "r"(rt)
);
assert(((dsp >> 22) & 0x01) == 1);
assert(result == rd);
return 0;
}