credits: show binary arch (32/64) in the header

ccminer.cpp

@@ -3651,12 +3651,13 @@ int main(int argc, char *argv[])
 
 	printf("*** ccminer " PACKAGE_VERSION " for nVidia GPUs by tpruvot@github ***\n");
 	if (!opt_quiet) {
+		const char* arch = is_x64() ? "64-bits" : "32-bits";
 #ifdef _MSC_VER
-		printf("    Built with VC++ %d and nVidia CUDA SDK %d.%d\n\n", msver(),
+		printf("    Built with VC++ %d and nVidia CUDA SDK %d.%d %s\n\n", msver(),
 #else
-		printf("    Built with the nVidia CUDA Toolkit %d.%d\n\n",
+		printf("    Built with the nVidia CUDA Toolkit %d.%d %s\n\n",
 #endif
-			CUDART_VERSION/1000, (CUDART_VERSION % 1000)/10);
+			CUDART_VERSION/1000, (CUDART_VERSION % 1000)/10, arch);
 		printf("  Originally based on Christian Buchner and Christian H. project\n");
 		printf("  Include some algos from alexis78, djm34, sp, tsiv and klausT.\n\n");
 		printf("BTC donation address: 1AJdfCpLWPNoAMDfHF1wD5y8VgKSSTHxPo (tpruvot)\n\n");

miner.h

@@ -118,6 +118,16 @@ static inline bool is_windows(void) {
 #endif
 }
 
+static inline bool is_x64(void) {
+#if defined(__x86_64__) || defined(_WIN64) || defined(__aarch64__)
+	return 1;
+#elif defined(__amd64__) || defined(__amd64) || defined(_M_X64) || defined(_M_IA64)
+	return 1;
+#else
+	return 0;
+#endif
+}
+
 #if ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
 #define WANT_BUILTIN_BSWAP
 #else