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Diffstat (limited to 'qemu/tests/tcg/mips/mips64-dsp/dmthlip.c')
-rw-r--r--qemu/tests/tcg/mips/mips64-dsp/dmthlip.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/qemu/tests/tcg/mips/mips64-dsp/dmthlip.c b/qemu/tests/tcg/mips/mips64-dsp/dmthlip.c
new file mode 100644
index 000000000..027555fb5
--- /dev/null
+++ b/qemu/tests/tcg/mips/mips64-dsp/dmthlip.c
@@ -0,0 +1,41 @@
+#include "io.h"
+
+int main(void)
+{
+ long long rs, dsp;
+ long long achi, acli;
+
+ long long rsdsp;
+ long long acho, aclo;
+
+ long long res;
+ long long reshi, reslo;
+
+
+ rs = 0xaaaabbbbccccdddd;
+ achi = 0x87654321;
+ acli = 0x12345678;
+ dsp = 0x22;
+
+ res = 0x62;
+ reshi = 0x12345678;
+ reslo = 0xffffffffccccdddd;
+
+ __asm
+ ("mthi %3, $ac1\n\t"
+ "mtlo %4, $ac1\n\t"
+ "wrdsp %5\n\t"
+ "dmthlip %6, $ac1\n\t"
+ "rddsp %0\n\t"
+ "mfhi %1, $ac1\n\t"
+ "mflo %2, $ac1\n\t"
+ : "=r"(rsdsp), "=r"(acho), "=r"(aclo)
+ : "r"(achi), "r"(acli), "r"(dsp), "r"(rs)
+ );
+ if ((rsdsp != res) || (acho != reshi) || (aclo != reslo)) {
+ printf("dmthlip error\n");
+ return -1;
+ }
+
+ return 0;
+}