From 3f2546b2ef55b661fd8dd69682b38992225e86f6 Mon Sep 17 00:00:00 2001
From: fishsoupisgood <github@madingley.org>
Date: Mon, 29 Apr 2019 01:17:54 +0100
Subject: Initial import of qemu-2.4.1

---
 tests/tcg/mips/mips64-dsp/dmsubu.c | 59 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 tests/tcg/mips/mips64-dsp/dmsubu.c

(limited to 'tests/tcg/mips/mips64-dsp/dmsubu.c')

diff --git a/tests/tcg/mips/mips64-dsp/dmsubu.c b/tests/tcg/mips/mips64-dsp/dmsubu.c
new file mode 100644
index 00000000..cc4838ad
--- /dev/null
+++ b/tests/tcg/mips/mips64-dsp/dmsubu.c
@@ -0,0 +1,59 @@
+#include "io.h"
+
+int main(void)
+{
+    long long rt, rs;
+    long long achi, acli;
+    long long acho, aclo;
+    long long resh, resl;
+    achi = 0x1;
+    acli = 0x8;
+
+    rs = 0x0000000100000001;
+    rt = 0x0000000200000002;
+
+    resh = 0x1;
+    resl = 0x4;
+
+    __asm
+        ("mthi %2, $ac1 \t\n"
+         "mtlo %3, $ac1 \t\n"
+         "dmsubu $ac1, %4, %5\t\n"
+         "mfhi %0, $ac1 \t\n"
+         "mflo %1, $ac1 \t\n"
+         : "=r"(acho), "=r"(aclo)
+         : "r"(achi), "r"(acli), "r"(rs), "r"(rt)
+        );
+    if ((acho != resh) || (aclo != resl)) {
+        printf("1 dmsubu error\n");
+
+        return -1;
+    }
+
+    achi = 0xfffffffF;
+    acli = 0xfffffffF;
+
+    rs = 0x8888999977776666;
+    rt = 0x9999888877776666;
+
+    resh = 0xffffffffffffffff;
+    resl = 0x789aae13;
+
+    __asm
+        ("mthi %2, $ac1 \t\n"
+         "mtlo %3, $ac1 \t\n"
+         "dmsubu $ac1, %4, %5\t\n"
+         "mfhi %0, $ac1 \t\n"
+         "mflo %1, $ac1 \t\n"
+         : "=r"(acho), "=r"(aclo)
+         : "r"(achi), "r"(acli), "r"(rs), "r"(rt)
+        );
+
+    if ((acho != resh) || (aclo != resl)) {
+        printf("2 dmsubu error\n");
+
+        return -1;
+    }
+
+    return 0;
+}
-- 
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