1 files changed, 59 insertions, 0 deletions
diff --git a/tests/tcg/mips/mips64-dsp/addwc.c b/tests/tcg/mips/mips64-dsp/addwc.c
new file mode 100644
index 00000000..5929cd2f
--- /dev/null
+++ b/tests/tcg/mips/mips64-dsp/addwc.c
@@ -0,0 +1,59 @@
+#include "io.h"
+
+int main(void)
+{
+    long long rd, rs, rt;
+    long long dspi, dspo;
+    long long result;
+
+    rs     = 0x10FF01FF;
+    rt     = 0x10010001;
+    dspi   = 0x00002000;
+    result = 0x21000201;
+    __asm
+        ("wrdsp %3\n"
+         "addwc %0, %1, %2\n\t"
+         : "=r"(rd)
+         : "r"(rs), "r"(rt), "r"(dspi)
+        );
+    if (rd != result) {
+        printf("1 addwc wrong\n");
+
+        return -1;
+    }
+
+    rs     = 0xFFFF1111;
+    rt     = 0x00020001;
+    dspi   = 0x00;
+    result = 0x00011112;
+    __asm
+        ("wrdsp %3\n"
+         "addwc %0, %1, %2\n\t"
+         : "=r"(rd)
+         : "r"(rs), "r"(rt), "r"(dspi)
+        );
+    if (rd != result) {
+        printf("2 addwc wrong\n");
+
+        return -1;
+    }
+
+    rs     = 0x8FFF1111;
+    rt     = 0x80020001;
+    dspi   = 0x00;
+    result = 0x10011112;
+    __asm
+        ("wrdsp %4\n"
+         "addwc %0, %2, %3\n\t"
+         "rddsp %1\n\t"
+         : "=r"(rd), "=r"(dspo)
+         : "r"(rs), "r"(rt), "r"(dspi)
+        );
+    if ((rd != result) || (((dspo >> 20) & 0x01) != 1)) {
+        printf("3 addwc wrong\n");
+
+        return -1;
+    }
+
+    return 0;
+}