src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/HotSpotForeignCallLinkage.java

rev 56282 : [mq]: graal

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -22,17 +22,17 @@
  */
 
 
 package org.graalvm.compiler.hotspot;
 
-import jdk.vm.ci.meta.InvokeTarget;
-
 import org.graalvm.compiler.core.common.spi.ForeignCallLinkage;
 import org.graalvm.compiler.core.target.Backend;
 import org.graalvm.compiler.hotspot.stubs.Stub;
 import jdk.internal.vm.compiler.word.LocationIdentity;
 
+import jdk.vm.ci.meta.InvokeTarget;
+
 /**
  * The details required to link a HotSpot runtime or stub call.
  */
 public interface HotSpotForeignCallLinkage extends ForeignCallLinkage, InvokeTarget {
 

@@ -40,12 +40,12 @@
      * Constants for specifying whether a foreign call destroys or preserves registers. A foreign
      * call will always destroy {@link HotSpotForeignCallLinkage#getOutgoingCallingConvention() its}
      * {@linkplain ForeignCallLinkage#getTemporaries() temporary} registers.
      */
     enum RegisterEffect {
-        DESTROYS_REGISTERS,
-        PRESERVES_REGISTERS
+        DESTROYS_ALL_CALLER_SAVE_REGISTERS,
+        COMPUTES_REGISTERS_KILLED
     }
 
     /**
      * Constants for specifying whether a call is a leaf or not and whether a
      * {@code JavaFrameAnchor} prologue and epilogue is required around the call. A leaf function

@@ -116,10 +116,12 @@
 
     LocationIdentity[] getKilledLocations();
 
     void setCompiledStub(Stub stub);
 
+    RegisterEffect getEffect();
+
     /**
      * Determines if this is a call to a compiled {@linkplain Stub stub}.
      */
     boolean isCompiledStub();