diff options
Diffstat (limited to 'qemu/tests/tcg/mips/mips32-dspr2/subu_ph.c')
-rw-r--r-- | qemu/tests/tcg/mips/mips32-dspr2/subu_ph.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/qemu/tests/tcg/mips/mips32-dspr2/subu_ph.c b/qemu/tests/tcg/mips/mips32-dspr2/subu_ph.c new file mode 100644 index 000000000..0d39a017c --- /dev/null +++ b/qemu/tests/tcg/mips/mips32-dspr2/subu_ph.c @@ -0,0 +1,40 @@ +#include<stdio.h> +#include<assert.h> + +int main() +{ + int rd, rs, rt, dsp; + int result, resultdsp; + + rs = 0x87654321; + rt = 0x11111111; + result = 0x76543210; + resultdsp = 0x00; + + __asm + ("subu.ph %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 = 0x87654321; + rt = 0x12345678; + result = 0x7531ECA9; + resultdsp = 0x01; + + __asm + ("subu.ph %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; +} |