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changeset 10718:0d3d300064a8

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Remove scratch register from compressed load LIR instruction (used only for testing)
author Christos Kotselidis <christos.kotselidis@oracle.com>
date Fri, 12 Jul 2013 12:47:08 +0200
parents 0517026315a0
children 867588b3ecb4
files graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotLIRGenerator.java graal/com.oracle.graal.lir.amd64/src/com/oracle/graal/lir/amd64/AMD64Move.java
diffstat 2 files changed, 2 insertions(+), 6 deletions(-) [+]
line wrap: on
line diff
--- a/graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotLIRGenerator.java	Fri Jul 12 12:46:06 2013 +0200
+++ b/graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotLIRGenerator.java	Fri Jul 12 12:47:08 2013 +0200
@@ -414,8 +414,7 @@
         Variable result = newVariable(kind);
         assert access == null || access instanceof HeapAccess;
         if (runtime().config.useCompressedOops && isCompressCandidate(access)) {
-            Variable scratch = newVariable(Kind.Long);
-            append(new LoadCompressedPointer(kind, result, scratch, loadAddress, access != null ? state(access) : null, runtime().config.narrowOopBase, runtime().config.narrowOopShift,
+            append(new LoadCompressedPointer(kind, result, loadAddress, access != null ? state(access) : null, runtime().config.narrowOopBase, runtime().config.narrowOopShift,
                             runtime().config.logMinObjAlignment));
         } else {
             append(new LoadOp(kind, result, loadAddress, access != null ? state(access) : null));
--- a/graal/com.oracle.graal.lir.amd64/src/com/oracle/graal/lir/amd64/AMD64Move.java	Fri Jul 12 12:46:06 2013 +0200
+++ b/graal/com.oracle.graal.lir.amd64/src/com/oracle/graal/lir/amd64/AMD64Move.java	Fri Jul 12 12:47:08 2013 +0200
@@ -123,15 +123,12 @@
         private long narrowOopBase;
         private int narrowOopShift;
         private int logMinObjAlignment;
-        @Temp({REG}) private AllocatableValue scratch;
 
-        public LoadCompressedPointer(Kind kind, AllocatableValue result, AllocatableValue scratch, AMD64AddressValue address, LIRFrameState state, long narrowOopBase, int narrowOopShift,
-                        int logMinObjAlignment) {
+        public LoadCompressedPointer(Kind kind, AllocatableValue result, AMD64AddressValue address, LIRFrameState state, long narrowOopBase, int narrowOopShift, int logMinObjAlignment) {
             super(kind, result, address, state);
             this.narrowOopBase = narrowOopBase;
             this.narrowOopShift = narrowOopShift;
             this.logMinObjAlignment = logMinObjAlignment;
-            this.scratch = scratch;
             assert kind == Kind.Object;
         }