1 files changed, 54 insertions, 0 deletions
diff --git a/tests/tcg/mips/mips32-dsp/extrv_w.c b/tests/tcg/mips/mips32-dsp/extrv_w.c
new file mode 100644
index 0000000000..9cb493df39
--- /dev/null
+++ b/tests/tcg/mips/mips32-dsp/extrv_w.c
@@ -0,0 +1,54 @@
+#include<stdio.h>
+#include<assert.h>
+
+int main()
+{
+    int rt, rs, ach, acl, dsp;
+    int result;
+
+    ach = 0x05;
+    acl = 0xB4CB;
+    dsp = 0x07;
+    rs  = 0x03;
+    result = 0xA0001699;
+
+    __asm
+        ("wrdsp %1, 0x01\n\t"
+         "mthi %3, $ac1\n\t"
+         "mtlo %4, $ac1\n\t"
+         "extrv.w %0, $ac1, %2\n\t"
+         "rddsp %1\n\t"
+         : "=r"(rt), "+r"(dsp)
+         : "r"(rs), "r"(ach), "r"(acl)
+        );
+    dsp = (dsp >> 23) & 0x01;
+    assert(dsp == 1);
+    assert(result == rt);
+
+    /* Clear dspcontrol */
+    dsp = 0;
+    __asm
+        ("wrdsp %0\n\t"
+         :
+         : "r"(dsp)
+        );
+
+    rs = 4;
+    ach = 0x01;
+    acl = 0xB4CB;
+    result = 0x10000B4C;
+    __asm
+        ("wrdsp %1, 0x01\n\t"
+         "mthi %3, $ac1\n\t"
+         "mtlo %4, $ac1\n\t"
+         "extrv.w %0, $ac1, %2\n\t"
+         "rddsp %1\n\t"
+         : "=r"(rt), "+r"(dsp)
+         : "r"(rs), "r"(ach), "r"(acl)
+        );
+    dsp = (dsp >> 23) & 0x01;
+    assert(dsp == 0);
+    assert(result == rt);
+
+    return 0;
+}