[v8-dev] ARM: safepoints frame optimization

src/lithium.h

Index: src/lithium.h
diff --git a/src/lithium.h b/src/lithium.h
index 8ae5b879dc7bbe6b6f53388b8efec5011d1a89d0..0d174be4d03a02f27d575e009bf57374956a1963 100644
--- a/src/lithium.h
+++ b/src/lithium.h
@@ -668,6 +668,20 @@ class LChunk : public ZoneObject {
   BitVector* allocated_double_registers() {
     return allocated_double_registers_;
   }
+  RegList safepoints_registers() { return safepoints_registers_; }
+  void set_safepoints_registers(RegList safepoints_registers) {
+    safepoints_registers_ = safepoints_registers;
+  }
+  void add_safepoints_registers(RegList safepoints_registers) {
+    safepoints_registers_ |= safepoints_registers;
+  }
+  RegList safepoints_double_registers() { return safepoints_double_registers_; }
+  void set_safepoints_double_registers(RegList safepoints_double_registers) {
+    safepoints_double_registers_ = safepoints_double_registers;
+  }
+  void add_safepoints_double_registers(RegList safepoints_double_registers) {
+    safepoints_double_registers_ |= safepoints_double_registers;
+  }
 
  protected:
   LChunk(CompilationInfo* info, HGraph* graph);
@@ -678,6 +692,8 @@ class LChunk : public ZoneObject {
   CompilationInfo* info_;
   HGraph* const graph_;
   BitVector* allocated_double_registers_;
+  RegList safepoints_registers_;
+  RegList safepoints_double_registers_;
   ZoneList<LInstruction*> instructions_;
   ZoneList<LPointerMap*> pointer_maps_;
   ZoneList<Handle<JSFunction> > inlined_closures_;