diff options
Diffstat (limited to 'tests/tcg/mips/mips32-dsp/extr_s_h.c')
-rw-r--r-- | tests/tcg/mips/mips32-dsp/extr_s_h.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tests/tcg/mips/mips32-dsp/extr_s_h.c b/tests/tcg/mips/mips32-dsp/extr_s_h.c index b2129134c8..9bc2a63cc2 100644 --- a/tests/tcg/mips/mips32-dsp/extr_s_h.c +++ b/tests/tcg/mips/mips32-dsp/extr_s_h.c @@ -59,5 +59,28 @@ int main() assert(dsp == 0); assert(result == rt); + /* Clear dsp */ + dsp = 0; + __asm + ("wrdsp %0\n\t" + : + : "r"(dsp) + ); + + ach = 0x123; + acl = 0x87654321; + result = 0x1238; + __asm + ("mthi %2, $ac1\n\t" + "mtlo %3, $ac1\n\t" + "extr_s.h %0, $ac1, 28\n\t" + "rddsp %1\n\t" + : "=r"(rt), "=r"(dsp) + : "r"(ach), "r"(acl) + ); + dsp = (dsp >> 23) & 0x01; + assert(dsp == 0); + assert(result == rt); + return 0; } |