🏁 removed __builtin_expect for MSVC

6b12e404 · Niels Lohmann · d025b6aa · 6b12e404
Unverified Commit 6b12e404 authored Mar 28, 2017 by Niels Lohmann
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json.hpp src/json.hpp +7 -2

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--- a/src/json.hpp
+++ b/src/json.hpp
@@ -91,8 +91,13 @@ SOFTWARE.
 #endif

 // manual branch prediction
-#define JSON_LIKELY(x)      __builtin_expect(!!(x), 1)
-#define JSON_UNLIKELY(x)    __builtin_expect(!!(x), 0)
+#if defined(__clang__) || defined(__GNUC__) || defined(__GNUG__)
+    #define JSON_LIKELY(x)      __builtin_expect(!!(x), 1)
+    #define JSON_UNLIKELY(x)    __builtin_expect(!!(x), 0)
+#else
+    #define JSON_LIKELY(x)      x
+    #define JSON_UNLIKELY(x)    x
+#endif

 /*!
 @brief namespace for Niels Lohmann