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Diffstat (limited to 'qemu/tests/tcg/mips/mips64-dsp/subq_ph.c')
-rw-r--r--qemu/tests/tcg/mips/mips64-dsp/subq_ph.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/qemu/tests/tcg/mips/mips64-dsp/subq_ph.c b/qemu/tests/tcg/mips/mips64-dsp/subq_ph.c
new file mode 100644
index 000000000..6a1b18610
--- /dev/null
+++ b/qemu/tests/tcg/mips/mips64-dsp/subq_ph.c
@@ -0,0 +1,27 @@
+#include "io.h"
+
+int main(void)
+{
+ long long rd, rs, rt, dsp;
+ long long result, resultdsp;
+
+ rs = 0x12345678;
+ rt = 0x87654321;
+ result = 0xFFFFFFFF8ACF1357;
+ resultdsp = 0x01;
+
+ __asm
+ ("subq.ph %0, %2, %3\n\t"
+ "rddsp %1\n\t"
+ : "=r"(rd), "=r"(dsp)
+ : "r"(rs), "r"(rt)
+ );
+ dsp = (dsp >> 20) & 0x01;
+ if ((dsp != resultdsp) || (rd != result)) {
+ printf("subq.ph wrong\n");
+
+ return -1;
+ }
+
+ return 0;
+}