X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Ftests%2Ftcg%2Fmips%2Fmips64-dsp%2Fsubq_s_pw.c;fp=qemu%2Ftests%2Ftcg%2Fmips%2Fmips64-dsp%2Fsubq_s_pw.c;h=e8e0b0567e4c385218f42622a063ca97fbb552fe;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/qemu/tests/tcg/mips/mips64-dsp/subq_s_pw.c b/qemu/tests/tcg/mips/mips64-dsp/subq_s_pw.c
new file mode 100644
index 000000000..e8e0b0567
--- /dev/null
+++ b/qemu/tests/tcg/mips/mips64-dsp/subq_s_pw.c
@@ -0,0 +1,63 @@
+#include "io.h"
+
+int main(void)
+{
+    long long rd, rs, rt, result, dspreg, dspresult;
+    rt = 0x9FFFFFFD9FFFFFFD;
+    rs = 0x4000000080000000;
+    result = 0x7fffffffe0000003;
+    dspresult = 0x1;
+
+    __asm
+        ("subq_s.pw %0, %2, %3\n\t"
+         "rddsp %1\n\t"
+         : "=r"(rd), "=r"(dspreg)
+         : "r"(rs), "r"(rt)
+        );
+    dspreg = (dspreg >> 20) & 0x1;
+    if ((rd != result) || (dspreg != dspresult)) {
+        printf("subq_s.pw error1\n");
+
+        return -1;
+    }
+
+    rt = 0x123456789ABCDEF1;
+    rs = 0x123456789ABCDEF2;
+    result =  0x0000000000000001;
+    /* This time we do not set dspctrl, but it setted in pre-action. */
+    dspresult = 0x1;
+
+    __asm
+        ("subq_s.pw %0, %2, %3\n\t"
+         "rddsp %1\n\t"
+         : "=r"(rd), "=r"(dspreg)
+         : "r"(rs), "r"(rt)
+        );
+    dspreg = (dspreg >> 20) & 0x1;
+    if ((rd != result) || (dspreg != dspresult)) {
+        printf("subq_s.pw error2\n");
+
+        return -1;
+    }
+
+    rt = 0x8000000080000000;
+    rs = 0x7000000070000000;
+    dspresult = 0x1;
+
+    __asm
+        ("subq_s.pw %0, %2, %3\n\t"
+         "rddsp %1\n\t"
+         : "=r"(rd), "=r"(dspreg)
+         : "r"(rs), "r"(rt)
+        );
+
+    dspreg = (dspreg >> 20) & 0x1;
+    if ((dspreg != dspresult)) {
+        printf("subq_s.pw error3\n");
+
+        return -1;
+    }
+
+    return 0;
+}
+