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changeset 3174:bef7921f8247

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Align loop headers (for immediate speed-up).
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 06 Jul 2011 18:59:55 +0200
parents 5ad8481bebfc
children 2de2bff9dba6
files graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/lir/LIRAssembler.java graal/com.oracle.max.graal.runtime/src/com/oracle/max/graal/runtime/HotSpotRuntime.java
diffstat 2 files changed, 7 insertions(+), 4 deletions(-) [+]
line wrap: on
line diff
--- a/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/lir/LIRAssembler.java	Wed Jul 06 18:50:11 2011 +0200
+++ b/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/lir/LIRAssembler.java	Wed Jul 06 18:59:55 2011 +0200
@@ -30,12 +30,12 @@
 import com.oracle.max.graal.compiler.debug.*;
 import com.oracle.max.graal.compiler.gen.*;
 import com.oracle.max.graal.compiler.ir.*;
-import com.oracle.max.graal.compiler.lir.FrameMap.*;
+import com.oracle.max.graal.compiler.lir.FrameMap.StackBlock;
 import com.oracle.max.graal.compiler.util.*;
 import com.sun.cri.ci.*;
-import com.sun.cri.ci.CiTargetMethod.*;
+import com.sun.cri.ci.CiTargetMethod.Mark;
 import com.sun.cri.ri.*;
-import com.sun.cri.xir.CiXirAssembler.*;
+import com.sun.cri.xir.CiXirAssembler.XirMark;
 
 /**
  * The {@code LIRAssembler} class definition.
@@ -108,6 +108,10 @@
 
     void emitBlock(LIRBlock block) {
 
+        if (block.isLinearScanLoopHeader()) {
+            emitAlignment();
+        }
+
         block.setBlockEntryPco(codePos());
 
         if (GraalOptions.PrintLIRWithAssembly) {
--- a/graal/com.oracle.max.graal.runtime/src/com/oracle/max/graal/runtime/HotSpotRuntime.java	Wed Jul 06 18:50:11 2011 +0200
+++ b/graal/com.oracle.max.graal.runtime/src/com/oracle/max/graal/runtime/HotSpotRuntime.java	Wed Jul 06 18:59:55 2011 +0200
@@ -27,7 +27,6 @@
 import java.util.*;
 
 import com.oracle.max.graal.compiler.*;
-import com.oracle.max.graal.compiler.debug.*;
 import com.oracle.max.graal.compiler.graph.*;
 import com.oracle.max.graal.compiler.ir.*;
 import com.oracle.max.graal.compiler.value.*;