client almost builds

vendor/cryptopp/TestPrograms/test_ppc_vmull.cpp

@@ -0,0 +1,17 @@
+#include <altivec.h>
+int main(int argc, char* argv[])
+{
+    __vector unsigned long long x = {1,2};
+    __vector unsigned long long y = {3,4};
+
+#if defined(__ibmxl__) || (defined(_AIX) && defined(__xlC__))
+    __vector unsigned long long z=__vpmsumd(x,y);
+#elif defined(__clang__)
+    __vector unsigned long long z=__builtin_altivec_crypto_vpmsumd(x,y);
+#elif defined(__GNUC__)
+    __vector unsigned long long z=__builtin_crypto_vpmsumd(x,y);
+#else
+    int XXX[-1];
+#endif
+    return 0;
+}