Merge up to bleeding_edge r7201 to isolates branch.

src/arm/assembler-arm.h

Index: src/arm/assembler-arm.h
diff --git a/src/arm/assembler-arm.h b/src/arm/assembler-arm.h
index 31016b9102e9274705a715a5a0e78836debd7fcf..cf42dc8096cc3126c88afc9fc1e17a2bae830852 100644
--- a/src/arm/assembler-arm.h
+++ b/src/arm/assembler-arm.h
@@ -567,6 +567,9 @@ class Assembler : public Malloced {
   Assembler(void* buffer, int buffer_size);
   ~Assembler();
 
+  // Overrides the default provided by FLAG_debug_code.
+  void set_emit_debug_code(bool value) { emit_debug_code_ = value; }
+
   // GetCode emits any pending (non-emitted) code and fills the descriptor
   // desc. GetCode() is idempotent; it returns the same result if no other
   // Assembler functions are invoked in between GetCode() calls.
@@ -1005,6 +1008,9 @@ class Assembler : public Malloced {
                     VFPConversionMode mode = kDefaultRoundToZero,
                     const Condition cond = al);
 
+  void vneg(const DwVfpRegister dst,
+            const DwVfpRegister src,
+            const Condition cond = al);
   void vabs(const DwVfpRegister dst,
             const DwVfpRegister src,
             const Condition cond = al);
@@ -1164,6 +1170,8 @@ class Assembler : public Malloced {
   void CheckConstPool(bool force_emit, bool require_jump);
 
  protected:
+  bool emit_debug_code() const { return emit_debug_code_; }
+
   int buffer_space() const { return reloc_info_writer.pos() - pc_; }
 
   // Read/patch instructions
@@ -1292,6 +1300,7 @@ class Assembler : public Malloced {
 
   PositionsRecorder positions_recorder_;
   bool allow_peephole_optimization_;
+  bool emit_debug_code_;
   friend class PositionsRecorder;
   friend class EnsureSpace;
 };