diff options
Diffstat (limited to 'qemu/tests/tcg/mips/mips32-dsp/subu_s_qb.c')
-rw-r--r-- | qemu/tests/tcg/mips/mips32-dsp/subu_s_qb.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/qemu/tests/tcg/mips/mips32-dsp/subu_s_qb.c b/qemu/tests/tcg/mips/mips32-dsp/subu_s_qb.c new file mode 100644 index 000000000..3d650533d --- /dev/null +++ b/qemu/tests/tcg/mips/mips32-dsp/subu_s_qb.c @@ -0,0 +1,25 @@ +#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; +} |