[arm] Use position independent table switches.

src/compiler/arm/code-generator-arm.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/code-generator.h"
 
 #include "src/arm/macro-assembler-arm.h"
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
@@ skipping 836 matching lines @@
     __ b(eq, GetLabel(i.InputRpo(index + 1)));
   }
   AssembleArchJump(i.InputRpo(1));
 }
 
 
 void CodeGenerator::AssembleArchTableSwitch(Instruction* instr) {
   ArmOperandConverter i(this, instr);
   Register input = i.InputRegister(0);
   size_t const case_count = instr->InputCount() - 2;
+  // Ensure to emit the constant pool first if necessary.
   __ CheckConstPool(true, true);
   __ cmp(input, Operand(case_count));
   __ BlockConstPoolFor(case_count + 2);
-  __ ldr(pc, MemOperand(pc, input, LSL, 2), lo);
+  __ add(pc, pc, Operand(input, LSL, 2), LeaveCC, lo);
   __ b(GetLabel(i.InputRpo(1)));
   for (size_t index = 0; index < case_count; ++index) {
-    __ dd(GetLabel(i.InputRpo(index + 2)));
+    __ b(GetLabel(i.InputRpo(index + 2)));
   }
 }
 
 
 void CodeGenerator::AssembleDeoptimizerCall(
     int deoptimization_id, Deoptimizer::BailoutType bailout_type) {
   Address deopt_entry = Deoptimizer::GetDeoptimizationEntry(
       isolate(), deoptimization_id, bailout_type);
   __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY);
 }
@@ skipping 282 matching lines @@
     }
   }
   MarkLazyDeoptSite();
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8