diff options
Diffstat (limited to 'qemu/tests/tcg/mips/mips64-dsp/dmsub.c')
-rw-r--r-- | qemu/tests/tcg/mips/mips64-dsp/dmsub.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/qemu/tests/tcg/mips/mips64-dsp/dmsub.c b/qemu/tests/tcg/mips/mips64-dsp/dmsub.c new file mode 100644 index 000000000..16be6170e --- /dev/null +++ b/qemu/tests/tcg/mips/mips64-dsp/dmsub.c @@ -0,0 +1,59 @@ +#include "io.h" + +int main(void) +{ + long long rt, rs; + long long achi, acli; + long long acho, aclo; + long long resh, resl; + achi = 0x1; + acli = 0x8; + + rs = 0x0000000100000001; + rt = 0x0000000200000002; + + resh = 0x1; + resl = 0x4; + + __asm + ("mthi %2, $ac1 \t\n" + "mtlo %3, $ac1 \t\n" + "dmsub $ac1, %4, %5\t\n" + "mfhi %0, $ac1 \t\n" + "mflo %1, $ac1 \t\n" + : "=r"(acho), "=r"(aclo) + : "r"(achi), "r"(acli), "r"(rs), "r"(rt) + ); + if ((acho != resh) || (aclo != resl)) { + printf("1 dmsub error\n"); + + return -1; + } + + achi = 0xfffffffF; + acli = 0xfffffffF; + + rs = 0x8888999977776666; + rt = 0x9999888877776666; + + resh = 0xffffffffffffffff; + resl = 0x789aae13; + + __asm + ("mthi %2, $ac1 \t\n" + "mtlo %3, $ac1 \t\n" + "dmsub $ac1, %4, %5\t\n" + "mfhi %0, $ac1 \t\n" + "mflo %1, $ac1 \t\n" + : "=r"(acho), "=r"(aclo) + : "r"(achi), "r"(acli), "r"(rs), "r"(rt) + ); + + if ((acho != resh) || (aclo != resl)) { + printf("2 dmsub error\n"); + + return -1; + } + + return 0; +} |