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src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.api.replacements/src/org/graalvm/compiler/api/replacements/MethodSubstitution.java
changeset 58877 aec7bf35d6f5
parent 52910 583fd71c47d6
equal deleted inserted replaced
58876:1a8d65e71a66 58877:aec7bf35d6f5 
     1 /*
 
     1 /*
 
     2  * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
 
     2  * Copyright (c) 2013, 2019, Oracle and/or its affiliates. All rights reserved.
 
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 
     4  *
 
     4  *
 
     5  * This code is free software; you can redistribute it and/or modify it
 
     5  * This code is free software; you can redistribute it and/or modify it
 
     6  * under the terms of the GNU General Public License version 2 only, as
 
     6  * under the terms of the GNU General Public License version 2 only, as
 
     7  * published by the Free Software Foundation.
 
     7  * published by the Free Software Foundation.
 
    33 import jdk.vm.ci.meta.Signature;
 
    33 import jdk.vm.ci.meta.Signature;
 
    34 
    34 
    35 /**
 
    35 /**
 
    36  * Denotes a method whose body is used by a compiler as the substitute (or intrinsification) of
 
    36  * Denotes a method whose body is used by a compiler as the substitute (or intrinsification) of
 
    37  * another method. The exact mechanism used to do the substitution is compiler dependent but every
 
    37  * another method. The exact mechanism used to do the substitution is compiler dependent but every
 
    38  * compiler should require substitute methods to be annotated with {@link MethodSubstitution}. In
 
    38  * compiler should require substitute methods to be annotated with {@link MethodSubstitution}.
 
    39  * addition, a compiler is recommended to implement {@link MethodSubstitutionRegistry} to advertise
 
       
    40  * the mechanism by which it supports registration of method substitutes.
 
       
    41  *
 
    39  *
 
    42  * A compiler may support partial intrinsification where only a part of a method is implemented by
 
    40  * A compiler may support partial intrinsification where only a part of a method is implemented by
 
    43  * the compiler. The unsupported path is expressed by a call to either the original or substitute
 
    41  * the compiler. The unsupported path is expressed by a call to either the original or substitute
 
    44  * method from within the substitute method. Such as call is a <i>partial intrinsic exit</i>.
 
    42  * method from within the substitute method. Such as call is a <i>partial intrinsic exit</i>.
 
    45  *
 
    43  *
jdk-sandbox