From c745df94a182b8a569cb833ecfbe8da33bf01f98 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Thu, 9 Nov 2023 14:34:21 -0500
Subject: config: New attr_noinline and attr_cold macros

---
 src/config.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'src/config.h')

diff --git a/src/config.h b/src/config.h
index 3100cec..b95abaa 100644
--- a/src/config.h
+++ b/src/config.h
@@ -184,6 +184,24 @@
 #  define fallthru ((void)0)
 #endif
 
+/**
+ * Hint to avoid inlining a function.
+ */
+#if __has_attribute(noinline)
+#  define attr_noinline __attribute__((noinline))
+#else
+#  define attr_noinline
+#endif
+
+/**
+ * Hint that a function is unlikely to be called.
+ */
+#if __has_attribute(cold)
+#  define attr_cold attr_noinline __attribute__((cold))
+#else
+#  define attr_cold attr_noinline
+#endif
+
 /**
  * Adds compiler warnings for bad printf()-style function calls, if supported.
  */
-- 
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