# HG changeset patch
# User Roland Schatz <roland.schatz@oracle.com>
# Date 1367342640 -7200
# Node ID 6680389bd36f5a1e1bb90c581001e13a4d575a00
# Parent  c0488f573091221a6ebb39e974216ed6f71fe501
Make assembler creation in backend more extensible.

diff -r c0488f573091 -r 6680389bd36f graal/com.oracle.graal.compiler.ptx/src/com/oracle/graal/compiler/ptx/PTXBackend.java
--- a/graal/com.oracle.graal.compiler.ptx/src/com/oracle/graal/compiler/ptx/PTXBackend.java	Tue Apr 30 19:16:25 2013 +0200
+++ b/graal/com.oracle.graal.compiler.ptx/src/com/oracle/graal/compiler/ptx/PTXBackend.java	Tue Apr 30 19:24:00 2013 +0200
@@ -59,6 +59,11 @@
     }
 
     @Override
+    protected AbstractAssembler createAssembler(FrameMap frameMap) {
+        return new PTXAssembler(target, frameMap.registerConfig);
+    }
+
+    @Override
     public TargetMethodAssembler newAssembler(LIRGenerator lirGen, CompilationResult compilationResult) {
         // Omit the frame if the method:
         // - has no spill slots or other slots allocated during register allocation
@@ -66,7 +71,7 @@
         // - has no incoming arguments passed on the stack
         // - has no instructions with debug info
         FrameMap frameMap = lirGen.frameMap;
-        AbstractAssembler masm = new PTXAssembler(target, frameMap.registerConfig);
+        AbstractAssembler masm = createAssembler(frameMap);
         HotSpotFrameContext frameContext = new HotSpotFrameContext();
         TargetMethodAssembler tasm = new PTXTargetMethodAssembler(target, runtime(), frameMap, masm, frameContext, compilationResult);
         tasm.setFrameSize(frameMap.frameSize());
diff -r c0488f573091 -r 6680389bd36f graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/target/Backend.java
--- a/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/target/Backend.java	Tue Apr 30 19:16:25 2013 +0200
+++ b/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/target/Backend.java	Tue Apr 30 19:24:00 2013 +0200
@@ -24,6 +24,7 @@
 
 import com.oracle.graal.api.code.*;
 import com.oracle.graal.api.meta.*;
+import com.oracle.graal.asm.*;
 import com.oracle.graal.compiler.gen.*;
 import com.oracle.graal.lir.*;
 import com.oracle.graal.lir.asm.*;
@@ -52,6 +53,8 @@
 
     public abstract LIRGenerator newLIRGenerator(StructuredGraph graph, FrameMap frameMap, ResolvedJavaMethod method, LIR lir);
 
+    protected abstract AbstractAssembler createAssembler(FrameMap frameMap);
+
     public abstract TargetMethodAssembler newAssembler(LIRGenerator lirGen, CompilationResult compilationResult);
 
     /**
diff -r c0488f573091 -r 6680389bd36f graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotBackend.java
--- a/graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotBackend.java	Tue Apr 30 19:16:25 2013 +0200
+++ b/graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotBackend.java	Tue Apr 30 19:24:00 2013 +0200
@@ -140,6 +140,11 @@
     }
 
     @Override
+    protected AbstractAssembler createAssembler(FrameMap frameMap) {
+        return new AMD64MacroAssembler(target, frameMap.registerConfig);
+    }
+
+    @Override
     public TargetMethodAssembler newAssembler(LIRGenerator lirGen, CompilationResult compilationResult) {
         // Omit the frame if the method:
         // - has no spill slots or other slots allocated during register allocation
@@ -151,7 +156,7 @@
         LIR lir = gen.lir;
         boolean omitFrame = CanOmitFrame && !frameMap.frameNeedsAllocating() && !lir.hasArgInCallerFrame();
 
-        AbstractAssembler masm = new AMD64MacroAssembler(target, frameMap.registerConfig);
+        AbstractAssembler masm = createAssembler(frameMap);
         HotSpotFrameContext frameContext = omitFrame ? null : new HotSpotFrameContext();
         TargetMethodAssembler tasm = new TargetMethodAssembler(target, runtime(), frameMap, masm, frameContext, compilationResult);
         tasm.setFrameSize(frameMap.frameSize());
diff -r c0488f573091 -r 6680389bd36f graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotBackend.java
--- a/graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotBackend.java	Tue Apr 30 19:16:25 2013 +0200
+++ b/graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotBackend.java	Tue Apr 30 19:24:00 2013 +0200
@@ -24,6 +24,7 @@
 
 import com.oracle.graal.api.code.*;
 import com.oracle.graal.api.meta.*;
+import com.oracle.graal.asm.*;
 import com.oracle.graal.compiler.gen.*;
 import com.oracle.graal.compiler.sparc.*;
 import com.oracle.graal.hotspot.*;
@@ -47,6 +48,12 @@
     }
 
     @Override
+    protected AbstractAssembler createAssembler(FrameMap frameMap) {
+        // SPARC: Create assembler.
+        return null;
+    }
+
+    @Override
     public TargetMethodAssembler newAssembler(LIRGenerator lirGen, CompilationResult compilationResult) {
         // SPARC: Create assembler.
         return null;