1.1 --- a/src/share/vm/runtime/compilationPolicy.cpp Wed Jan 13 23:05:52 2010 -0800
1.2 +++ b/src/share/vm/runtime/compilationPolicy.cpp Fri Jan 15 11:53:33 2010 -0800
1.3 @@ -1,5 +1,5 @@
1.4 /*
1.5 - * Copyright 2000-2007 Sun Microsystems, Inc. All Rights Reserved.
1.6 + * Copyright 2000-2010 Sun Microsystems, Inc. All Rights Reserved.
1.7 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.8 *
1.9 * This code is free software; you can redistribute it and/or modify it
1.10 @@ -74,6 +74,16 @@
1.11 if (m->is_abstract()) return false;
1.12 if (DontCompileHugeMethods && m->code_size() > HugeMethodLimit) return false;
1.13
1.14 + // Math intrinsics should never be compiled as this can lead to
1.15 + // monotonicity problems because the interpreter will prefer the
1.16 + // compiled code to the intrinsic version. This can't happen in
1.17 + // production because the invocation counter can't be incremented
1.18 + // but we shouldn't expose the system to this problem in testing
1.19 + // modes.
1.20 + if (!AbstractInterpreter::can_be_compiled(m)) {
1.21 + return false;
1.22 + }
1.23 +
1.24 return !m->is_not_compilable();
1.25 }
1.26
