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diff c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotRegisterConfig.java @ 1423:760213a60e8b

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* rewrite of the code installation * partial support for safepoints * macro-based CiTargetMethod interface * code stub support
author Lukas Stadler <lukas.stadler@oracle.com>
date Mon, 16 Aug 2010 18:59:36 -0700
parents 3483ec571caf
children 98fffb304868
line wrap: on
line diff
--- a/c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotRegisterConfig.java	Mon Aug 02 15:44:38 2010 -0700
+++ b/c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotRegisterConfig.java	Mon Aug 16 18:59:36 2010 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009 Sun Microsystems, Inc. All rights reserved.
+ * Copyright (c) 2009-2010 Sun Microsystems, Inc. All rights reserved.
  *
  * Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product that is
  * described in this document. In particular, and without limitation, these intellectual property rights may include one
@@ -138,7 +138,24 @@
 
     @Override
     public CiRegister getReturnRegister(CiKind kind) {
-        return AMD64.rax;
+        switch (kind) {
+            case Boolean:
+            case Byte:
+            case Char:
+            case Short:
+            case Int:
+            case Long:
+            case Object:
+                return AMD64.rax;
+            case Float:
+            case Double:
+                return AMD64.xmm0;
+            case Void:
+            case Illegal:
+                return null;
+            default:
+                throw new UnsupportedOperationException("no return register for type " + kind);
+        }
     }
 
     @Override