Revert r6088.

src/arm/macro-assembler-arm.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 160 matching lines @@
 }
 
 
 void MacroAssembler::Drop(int count, Condition cond) {
   if (count > 0) {
     add(sp, sp, Operand(count * kPointerSize), LeaveCC, cond);
   }
 }
 
 
-void MacroAssembler::Ret(int drop, Condition cond) {
-  Drop(drop, cond);
-  Ret(cond);
-}
-
-
 void MacroAssembler::Swap(Register reg1,
                           Register reg2,
                           Register scratch,
                           Condition cond) {
   if (scratch.is(no_reg)) {
     eor(reg1, reg1, Operand(reg2), LeaveCC, cond);
     eor(reg2, reg2, Operand(reg1), LeaveCC, cond);
     eor(reg1, reg1, Operand(reg2), LeaveCC, cond);
   } else {
     mov(scratch, reg1, LeaveCC, cond);
@@ skipping 623 matching lines @@
     // code field in the function to allow recompilation to take effect
     // without changing any of the call sites.
     ldr(r3, FieldMemOperand(r1, JSFunction::kCodeEntryOffset));
     InvokeCode(r3, expected, actual, flag);
   } else {
     InvokeCode(code, expected, actual, RelocInfo::CODE_TARGET, flag);
   }
 }
 
 
-void MacroAssembler::IsObjectJSObjectType(Register heap_object,
-                                          Register map,
-                                          Register scratch,
-                                          Label* fail) {
-  ldr(map, FieldMemOperand(heap_object, HeapObject::kMapOffset));
-  IsInstanceJSObjectType(map, scratch, fail);
-}
-
-
-void MacroAssembler::IsInstanceJSObjectType(Register map,
-                                            Register scratch,
-                                            Label* fail) {
-  ldrb(scratch, FieldMemOperand(map, Map::kInstanceTypeOffset));
-  cmp(scratch, Operand(FIRST_JS_OBJECT_TYPE));
-  b(lt, fail);
-  cmp(scratch, Operand(LAST_JS_OBJECT_TYPE));
-  b(gt, fail);
-}
-
-
-void MacroAssembler::IsObjectJSStringType(Register object,
-                                           Register scratch,
-                                           Label* fail) {
-  ASSERT(kNotStringTag != 0);
-
-  ldr(scratch, FieldMemOperand(object, HeapObject::kMapOffset));
-  ldrb(scratch, FieldMemOperand(scratch, Map::kInstanceTypeOffset));
-  tst(scratch, Operand(kIsNotStringMask));
-  b(nz, fail);
-}
-
-
 #ifdef ENABLE_DEBUGGER_SUPPORT
 void MacroAssembler::DebugBreak() {
   ASSERT(allow_stub_calls());
   mov(r0, Operand(0, RelocInfo::NONE));
   mov(r1, Operand(ExternalReference(Runtime::kDebugBreak)));
   CEntryStub ces(1);
   Call(ces.GetCode(), RelocInfo::DEBUG_BREAK);
 }
 #endif
 
@@ skipping 1273 matching lines @@
 
 void CodePatcher::Emit(Address addr) {
   masm()->emit(reinterpret_cast<Instr>(addr));
 }
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM