qemu/tests/tcg/mips/mips32-dsp/subq_s_w.c
Jia Liu d70080c4e3 target-mips: Add ASE DSP testcases
Add MIPS ASE DSP testcases.

Signed-off-by: Jia Liu <proljc@gmail.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-31 21:37:21 +01:00

59 lines
1.1 KiB
C

#include<stdio.h>
#include<assert.h>
int main()
{
int rd, rs, rt, dsp;
int result, resultdsp;
rs = 0x12345678;
rt = 0x87654321;
result = 0x7FFFFFFF;
resultdsp = 0x01;
__asm
("subq_s.w %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);
rs = 0x66666;
rt = 0x55555;
result = 0x11111;
resultdsp = 0x01;
__asm
("subq_s.w %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);
#if 0
rs = 0x35555555;
rt = 0xf5555555;
result = 0x80000000;
resultdsp = 0x01;
__asm
("subq_s.w %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);
#endif
return 0;
}