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-rw-r--r--src/inc/optsmallperfcritical.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/inc/optsmallperfcritical.h b/src/inc/optsmallperfcritical.h
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+++ b/src/inc/optsmallperfcritical.h
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+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+//
+// Set optimizations settings for small performance critical methods
+//
+
+#ifdef FPO_ON
+#error Recursive use of FPO_ON not supported
+#endif
+
+#define FPO_ON 1
+
+
+#if defined(_MSC_VER) && !defined(_DEBUG)
+ #pragma optimize("t", on) // optimize for speed
+ #if !defined(_AMD64_) // 'y' isn't an option on amd64
+ #pragma optimize("y", on) // omit frame pointer
+ #endif // !defined(_TARGET_AMD64_)
+#endif