diff options
Diffstat (limited to 'tests/tcg/mips/mips32-dsp/extpv.c')
-rw-r--r-- | tests/tcg/mips/mips32-dsp/extpv.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/tests/tcg/mips/mips32-dsp/extpv.c b/tests/tcg/mips/mips32-dsp/extpv.c new file mode 100644 index 0000000000..401b94afad --- /dev/null +++ b/tests/tcg/mips/mips32-dsp/extpv.c @@ -0,0 +1,45 @@ +#include<stdio.h> +#include<assert.h> + +int main() +{ + int rt, ac, ach, acl, dsp; + int result; + + ach = 0x05; + acl = 0xB4CB; + dsp = 0x07; + ac = 0x03; + result = 0x000C; + + __asm + ("wrdsp %1, 0x01\n\t" + "mthi %2, $ac1\n\t" + "mtlo %3, $ac1\n\t" + "extpv %0, $ac1, %4\n\t" + "rddsp %1\n\t" + : "=r"(rt), "+r"(dsp) + : "r"(ach), "r"(acl), "r"(ac) + ); + dsp = (dsp >> 14) & 0x01; + assert(dsp == 0); + assert(result == rt); + + ach = 0x05; + acl = 0xB4CB; + dsp = 0x01; + + __asm + ("wrdsp %1, 0x01\n\t" + "mthi %2, $ac1\n\t" + "mtlo %3, $ac1\n\t" + "extpv %0, $ac1, %4\n\t" + "rddsp %1\n\t" + : "=r"(rt), "+r"(dsp) + : "r"(ach), "r"(acl), "r"(ac) + ); + dsp = (dsp >> 14) & 0x01; + assert(dsp == 1); + + return 0; +} |