Add obvious branch hint to dict caching macro.

4737b53a · Stefan Behnel · 12c80767 · 4737b53a
Commit 4737b53a authored May 05, 2018 by Stefan Behnel
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Cython/Utility/ModuleSetupCode.c Cython/Utility/ModuleSetupCode.c +1 -1

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--- a/Cython/Utility/ModuleSetupCode.c
+++ b/Cython/Utility/ModuleSetupCode.c
@@ -422,7 +422,7 @@ class __Pyx_FakeReference {
 #define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP) { \
        static PY_UINT64_T __pyx_dict_version = 0; \
        static PyObject *__pyx_dict_cached_value = NULL; \
-        if (__PYX_GET_DICT_VERSION(DICT) == __pyx_dict_version) { \
+        if (likely(__PYX_GET_DICT_VERSION(DICT) == __pyx_dict_version)) { \
            (VAR) = __pyx_dict_cached_value; \
        } else { \
            (VAR) = __pyx_dict_cached_value = (LOOKUP); \