Use movw/movt instead of constant pool on ARMv7

src/x64/assembler-x64.h

Index: src/x64/assembler-x64.h
diff --git a/src/x64/assembler-x64.h b/src/x64/assembler-x64.h
index e00b403199444265b70f17197dc582ab99f1dbae..403c11f18210aac7b50db3012db03f776293f833 100644
--- a/src/x64/assembler-x64.h
+++ b/src/x64/assembler-x64.h
@@ -581,6 +581,8 @@ class Assembler : public AssemblerBase {
   static inline Address target_address_at(Address pc);
   static inline void set_target_address_at(Address pc, Address target);
 
+  static inline Address target_address_from_return_address(Address pc);

[Michael Starzinger, 2012/10/10 14:19:29]

See comment in ARM assembler.

[danno, 2012/10/17 10:04:44]

Done.

+
   // This sets the branch destination (which is in the instruction on x64).
   // This is for calls and branches within generated code.
   inline static void deserialization_set_special_target_at(
@@ -620,6 +622,7 @@ class Assembler : public AssemblerBase {
   static const int kCallInstructionLength = 13;
   static const int kJSReturnSequenceLength = 13;
   static const int kShortCallInstructionLength = 5;
+  static const int kPatchDebugBreakSlotReturnOffset = 4;
 
   // The debug break slot must be able to contain a call instruction.
   static const int kDebugBreakSlotLength = kCallInstructionLength;