1 files changed, 51 insertions, 0 deletions
diff --git a/qemu/tests/tcg/mips/mips64-dsp/extpv.c b/qemu/tests/tcg/mips/mips64-dsp/extpv.c
new file mode 100644
index 000000000..158472bf9
--- /dev/null
+++ b/qemu/tests/tcg/mips/mips64-dsp/extpv.c
@@ -0,0 +1,51 @@
+#include "io.h"
+
+int main(void)
+{
+    long long rt, ac, ach, acl, dsp;
+    long long 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;
+    if ((dsp != 0) || (result != rt)) {
+        printf("extpv 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"
+         "extpv %0, $ac1, %4\n\t"
+         "rddsp %1\n\t"
+         : "=r"(rt), "+r"(dsp)
+         : "r"(ach), "r"(acl), "r"(ac)
+        );
+    dsp = (dsp >> 14) & 0x01;
+    if (dsp != 1) {
+        printf("extpv wrong\n");
+
+        return -1;
+    }
+
+    return 0;
+}