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/mips32-dsp/addwc.c | 49 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 tests/tcg/mips/mips32-dsp/addwc.c

(limited to 'tests/tcg/mips/mips32-dsp/addwc.c')

diff --git a/tests/tcg/mips/mips32-dsp/addwc.c b/tests/tcg/mips/mips32-dsp/addwc.c
new file mode 100644
index 00000000..8a8d81fa
--- /dev/null
+++ b/tests/tcg/mips/mips32-dsp/addwc.c
@@ -0,0 +1,49 @@
+#include<stdio.h>
+#include<assert.h>
+
+int main()
+{
+    int rd, rs, rt;
+    int dspi, dspo;
+    int 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)
+        );
+    assert(rd == result);
+
+    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)
+        );
+    assert(rd == result);
+
+    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)
+        );
+    assert(rd == result);
+    assert(((dspo >> 20) & 0x01) == 1);
+
+    return 0;
+}
-- 
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