Add qemu 2.4.0

[kvmfornfv.git] / qemu / tests / tcg / mips / mips32-dsp / modsub.c

diff --git a/qemu/tests/tcg/mips/mips32-dsp/modsub.c b/qemu/tests/tcg/mips/mips32-dsp/modsub.c
new file mode 100644 (file)
index 0000000..c294eeb
--- /dev/null
+++ b/qemu/tests/tcg/mips/mips32-dsp/modsub.c
@@ -0,0 +1,30 @@
+#include<stdio.h>
+#include<assert.h>
+
+int main()
+{
+    int rd, rs, rt;
+    int result;
+
+    rs     = 0xFFFFFFFF;
+    rt     = 0x000000FF;
+    result = 0xFFFFFF00;
+    __asm
+        ("modsub %0, %1, %2\n\t"
+         : "=r"(rd)
+         : "r"(rs), "r"(rt)
+        );
+    assert(result == rd);
+
+    rs     = 0x00000000;
+    rt     = 0x00CD1FFF;
+    result = 0x0000CD1F;
+    __asm
+        ("modsub %0, %1, %2\n\t"
+         : "=r"(rd)
+         : "r"(rs), "r"(rt)
+        );
+    assert(result == rd);
+
+    return 0;
+}