diff options
Diffstat (limited to 'tests/tcg/mips/mips64-dsp/extp.c')
-rw-r--r-- | tests/tcg/mips/mips64-dsp/extp.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/tests/tcg/mips/mips64-dsp/extp.c b/tests/tcg/mips/mips64-dsp/extp.c new file mode 100644 index 00000000..c72f54ba --- /dev/null +++ b/tests/tcg/mips/mips64-dsp/extp.c @@ -0,0 +1,50 @@ +#include "io.h" + +int main(void) +{ + long long rt, ach, acl, dsp; + long long result; + + ach = 0x05; + acl = 0xB4CB; + dsp = 0x07; + result = 0x000C; + + __asm + ("wrdsp %1, 0x01\n\t" + "mthi %2, $ac1\n\t" + "mtlo %3, $ac1\n\t" + "extp %0, $ac1, 0x03\n\t" + "rddsp %1\n\t" + : "=r"(rt), "+r"(dsp) + : "r"(ach), "r"(acl) + ); + dsp = (dsp >> 14) & 0x01; + if ((dsp != 0) || (result != rt)) { + printf("extp wrong\n"); + + return -1; + } + + ach = 0x05; + acl = 0xB4CB; + dsp = 0x01; + + __asm + ("wrdsp %1, 0x01\n\t" + "mthi %2, $ac1\n\t" + "mtlo %3, $ac1\n\t" + "extp %0, $ac1, 0x03\n\t" + "rddsp %1\n\t" + : "=r"(rt), "+r"(dsp) + : "r"(ach), "r"(acl) + ); + dsp = (dsp >> 14) & 0x01; + if (dsp != 1) { + printf("extp wrong\n"); + + return -1; + } + + return 0; +} |