use bswap

i2pd

@@ -1 +1 @@
-Subproject commit abf0f5ac8780c9cb0088e4ccefcd0d0274e63965
+Subproject commit 4448884a3ebf822ecca7b39f2fe9777a79ae1863

src/util.h

@@ -552,8 +552,18 @@ void RenameThread(const char* name);
 
 inline uint32_t ByteReverse(uint32_t value)
 {
+#if 0
+// #if defined(__x86_64__)
+	__asm__
+	(
+		"bswap %%eax"
+		: "=a"(value) ::
+	);
+	return value;
+#else
     value = ((value & 0xFF00FF00) >> 8) | ((value & 0x00FF00FF) << 8);
     return (value<<16) | (value>>16);
+#endif
 }
 
 // Standard wrapper for do-something-forever thread functions.