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Diffstat (limited to 'qemu/tests/tcg/mips/mips64-dsp/prependw.c')
-rw-r--r--qemu/tests/tcg/mips/mips64-dsp/prependw.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/qemu/tests/tcg/mips/mips64-dsp/prependw.c b/qemu/tests/tcg/mips/mips64-dsp/prependw.c
new file mode 100644
index 000000000..d91bd2023
--- /dev/null
+++ b/qemu/tests/tcg/mips/mips64-dsp/prependw.c
@@ -0,0 +1,37 @@
+#include "io.h"
+
+int main(void)
+{
+ long long rt, rs;
+ long long res;
+ rt = 0x1234567887654321;
+ rs = 0xabcd1234abcd8765;
+
+ res = 0x1234567887654321;
+ __asm
+ ("prependw %0, %1, 0x0\n\t"
+ : "=r"(rt)
+ : "r"(rs)
+ );
+
+ if (rt != res) {
+ printf("prependw error\n");
+ return -1;
+ }
+
+ rt = 0x1234567887654321;
+ rs = 0xabcd1234abcd8765;
+
+ res = 0x5123456788765432;
+ __asm
+ ("prependw %0, %1, 0x4\n\t"
+ : "=r"(rt)
+ : "r"(rs)
+ );
+
+ if (rt != res) {
+ printf("prependw error\n");
+ return -1;
+ }
+ return 0;
+}