Mercurial > hg > graal-compiler
diff graal/com.oracle.truffle.api/src/com/oracle/truffle/api/CompilerDirectives.java @ 11495:3662471dcfaa
Introduce CompilerDirectives.ValueType annotation in Truffle API.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
---|---|
date | Sun, 01 Sep 2013 19:39:06 +0200 |
parents | 760e838b3560 |
children | 992508ee13b6 |
line wrap: on
line diff
--- a/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/CompilerDirectives.java Sat Aug 31 09:18:58 2013 +0200 +++ b/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/CompilerDirectives.java Sun Sep 01 19:39:06 2013 +0200 @@ -205,4 +205,13 @@ @Target({ElementType.METHOD}) public @interface SlowPath { } + + /** + * Marks classes as value types. Reference comparisons (==) between instances of those classes + * have undefined semantics and can either return true or false. + */ + @Retention(RetentionPolicy.RUNTIME) + @Target({ElementType.TYPE}) + public @interface ValueType { + } }