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Commita0247e7

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Add pg_noinline macro to c.h.
Forcing a function not to be inlined can be useful if it's theslow-path of a performance critical function, or should be visible inprofiles to allow for proper cost attribution.Author: Andres FreundDiscussion:https://postgr.es/m/20170914061207.zxotvyopetm7lrrp@alap3.anarazel.de
1 parentd133982 commita0247e7

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‎src/include/c.h

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@@ -642,6 +642,22 @@ typedef NameData *Name;
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#definepg_attribute_noreturn()
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#endif
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/*
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* Forcing a function not to be inlined can be useful if it's the slow-path of
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* a performance critical function, or should be visible in profiles to allow
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* for proper cost attribution.
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*/
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/* GCC, Sunpro and XLC support noinline via __attribute */
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#if defined(__GNUC__)|| defined(__SUNPRO_C)|| defined(__IBMC__)
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#definepg_noinline __attribute__((noinline))
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/* msvc via declspec */
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#elif defined(_MSC_VER)
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#definepg_noinline __declspec(noinline)
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#else
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#definepg_noinline
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#endif
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/* ----------------------------------------------------------------
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*Section 6:assertions
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* ----------------------------------------------------------------

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