1 files changed, 63 insertions, 0 deletions
diff --git a/tests/tcg/mips/mips64-dsp/subq_s_pw.c b/tests/tcg/mips/mips64-dsp/subq_s_pw.c
new file mode 100644
index 0000000..e8e0b05
--- /dev/null
+++ b/tests/tcg/mips/mips64-dsp/subq_s_pw.c
@@ -0,0 +1,63 @@
+#include "io.h"
+
+int main(void)
+{
+    long long rd, rs, rt, result, dspreg, dspresult;
+    rt = 0x9FFFFFFD9FFFFFFD;
+    rs = 0x4000000080000000;
+    result = 0x7fffffffe0000003;
+    dspresult = 0x1;
+
+    __asm
+        ("subq_s.pw %0, %2, %3\n\t"
+         "rddsp %1\n\t"
+         : "=r"(rd), "=r"(dspreg)
+         : "r"(rs), "r"(rt)
+        );
+    dspreg = (dspreg >> 20) & 0x1;
+    if ((rd != result) || (dspreg != dspresult)) {
+        printf("subq_s.pw error1\n");
+
+        return -1;
+    }
+
+    rt = 0x123456789ABCDEF1;
+    rs = 0x123456789ABCDEF2;
+    result =  0x0000000000000001;
+    /* This time we do not set dspctrl, but it setted in pre-action. */
+    dspresult = 0x1;
+
+    __asm
+        ("subq_s.pw %0, %2, %3\n\t"
+         "rddsp %1\n\t"
+         : "=r"(rd), "=r"(dspreg)
+         : "r"(rs), "r"(rt)
+        );
+    dspreg = (dspreg >> 20) & 0x1;
+    if ((rd != result) || (dspreg != dspresult)) {
+        printf("subq_s.pw error2\n");
+
+        return -1;
+    }
+
+    rt = 0x8000000080000000;
+    rs = 0x7000000070000000;
+    dspresult = 0x1;
+
+    __asm
+        ("subq_s.pw %0, %2, %3\n\t"
+         "rddsp %1\n\t"
+         : "=r"(rd), "=r"(dspreg)
+         : "r"(rs), "r"(rt)
+        );
+
+    dspreg = (dspreg >> 20) & 0x1;
+    if ((dspreg != dspresult)) {
+        printf("subq_s.pw error3\n");
+
+        return -1;
+    }
+
+    return 0;
+}
+