From ec2c4982b3532da79db2ce6893b133d48f35a082 Mon Sep 17 00:00:00 2001
From: cristy <urban-warrior@git.imagemagick.org>
Date: Sun, 14 Feb 2010 23:13:41 +0000
Subject: [PATCH]

---
 magick/thread-private.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/magick/thread-private.h b/magick/thread-private.h
index cf9a7794d..d3a5f6437 100644
--- a/magick/thread-private.h
+++ b/magick/thread-private.h
@@ -24,6 +24,13 @@ extern "C" {
 
 #include <magick/thread_.h>
 
+#if (__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR > 10))
+#define MagickCachePrefetch(address,mode,locality) \
+  __builtin_prefetch(address,mode,locality)
+#else
+#define MagickCachePrefetch(address,mode,locality)
+#endif
+
 #if defined(MAGICKCORE_HAVE_PTHREAD)
   typedef pthread_mutex_t MagickMutexType;
 #elif defined(__WINDOWS__)
-- 
2.40.0