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Unified Diff: include/core/SkPostConfig.h

Issue 57823003: Add SK_PREFETCH and use in SkBlurImageFilter. (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Created 7 years, 1 month ago
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Index: include/core/SkPostConfig.h
diff --git a/include/core/SkPostConfig.h b/include/core/SkPostConfig.h
index 0aa6c18e31aba52229d12f03e18d9fc8f6e34262..63637e5c503df5f16f9aa1a3329c0f1bae077a3b 100644
--- a/include/core/SkPostConfig.h
+++ b/include/core/SkPostConfig.h
@@ -381,6 +381,15 @@
//////////////////////////////////////////////////////////////////////
+#if defined(__clang__) || defined(__GNUC__)
+#define SK_PREFETCH(ptr) __builtin_prefetch(ptr)
+#define SK_WRITE_PREFETCH(ptr) __builtin_prefetch(ptr, 1)
+#else
+#define SK_PREFETCH(ptr)
+#define SK_WRITE_PREFETCH(ptr)
+#endif
+
+//////////////////////////////////////////////////////////////////////
#ifndef SK_PRINTF_LIKE
#if defined(__clang__) || defined(__GNUC__)
#define SK_PRINTF_LIKE(A, B) __attribute__((format(printf, (A), (B))))
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