Fixed bug in large switch tables on arm.

src/codegen-arm.cc

 // Copyright 2006-2008 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 1329 matching lines @@
         __ add(r0, r0, Operand(Smi::FromInt(1)));
       }
     } else {
       __ sub(r0, r0, Operand(Smi::FromInt(min_index)));
     }
   }
   __ tst(r0, Operand(0x80000000 | kSmiTagMask));
   __ b(ne, fail_label);
   __ cmp(r0, Operand(Smi::FromInt(range)));
   __ b(ge, fail_label);
-  __ add(pc, pc, Operand(r0, LSL, 2 - kSmiTagSize));
-  // One extra instruction offsets the table, so the table's start address is
-  // the pc-register at the above add.
-  __ stop("Unreachable: Switch table alignment");
-
-  // Table containing branch operations.
-  for (int i = 0; i < range; i++) {
-    __ b(case_targets[i]);
-  }
+  __ SmiJumpTable(r0, case_targets);
 
   GenerateFastCaseSwitchCases(node, case_labels);
 }
 
 
 void CodeGenerator::VisitSwitchStatement(SwitchStatement* node) {
   Comment cmnt(masm_, "[ SwitchStatement");
   if (FLAG_debug_info) RecordStatementPosition(node);
   node->set_break_stack_height(break_stack_height_);
 
@@ skipping 2970 matching lines @@
   __ mov(r2, Operand(0));
   __ GetBuiltinEntry(r3, Builtins::CALL_NON_FUNCTION);
   __ Jump(Handle<Code>(Builtins::builtin(Builtins::ArgumentsAdaptorTrampoline)),
           RelocInfo::CODE_TARGET);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal