Add support for Embedded Constant Pools for PPC and Arm

test/cctest/test-compiler.cc

 // Copyright 2012 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 513 matching lines @@
 static void CheckCodeForUnsafeLiteral(Handle<JSFunction> f) {
   // Create a disassembler with default name lookup.
   disasm::NameConverter name_converter;
   disasm::Disassembler d(name_converter);
 
   if (f->code()->kind() == Code::FUNCTION) {
     Address pc = f->code()->instruction_start();
     int decode_size =
         Min(f->code()->instruction_size(),
             static_cast<int>(f->code()->back_edge_table_offset()));
+    if (FLAG_enable_embedded_constant_pool) {
+      decode_size = Min(decode_size, f->code()->constant_pool_offset());
+    }
     Address end = pc + decode_size;
 
     v8::internal::EmbeddedVector<char, 128> decode_buffer;
     v8::internal::EmbeddedVector<char, 128> smi_hex_buffer;
     Smi* smi = Smi::FromInt(12345678);
     SNPrintF(smi_hex_buffer, "0x%" V8PRIxPTR, reinterpret_cast<intptr_t>(smi));
     while (pc < end) {
       int num_const = d.ConstantPoolSizeAt(pc);
       if (num_const >= 0) {
         pc += (num_const + 1) * kPointerSize;
@@ skipping 13 matching lines @@
   CompileRun("function f() { a = 12345678 }; f();");
   CheckCodeForUnsafeLiteral(GetJSFunction(context->Global(), "f"));
   CompileRun("function f(x) { a = 12345678 + x}; f(1);");
   CheckCodeForUnsafeLiteral(GetJSFunction(context->Global(), "f"));
   CompileRun("function f(x) { var arguments = 1; x += 12345678}; f(1);");
   CheckCodeForUnsafeLiteral(GetJSFunction(context->Global(), "f"));
   CompileRun("function f(x) { var arguments = 1; x = 12345678}; f(1);");
   CheckCodeForUnsafeLiteral(GetJSFunction(context->Global(), "f"));
 }
 #endif