Add out-of-line constant pool support to Arm.

src/arm/builtins-arm.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 947 matching lines @@
   __ cmp(r0, Operand(Smi::FromInt(0)));
   __ b(ne, &skip);
   __ Ret();
 
   __ bind(&skip);
 
   // Load deoptimization data from the code object.
   // <deopt_data> = <code>[#deoptimization_data_offset]
   __ ldr(r1, MemOperand(r0, Code::kDeoptimizationDataOffset - kHeapObjectTag));
 
+  ConstantPoolUnavailableScope constant_pool_unavailable(masm);
+  if (FLAG_enable_ool_constant_pool) {
+    __ ldr(pp, MemOperand(r0, Code::kConstantPoolOffset - kHeapObjectTag));

[Rodolph Perfetta (ARM), 2014/03/12 14:46:20]

use FieldMemOperand so you don't need to substract the tag.

[rmcilroy, 2014/03/17 18:31:34]

Done (also for surrounding calls).

+  }
+
   // Load the OSR entrypoint offset from the deoptimization data.
   // <osr_offset> = <deopt_data>[#header_size + #osr_pc_offset]
   __ ldr(r1, MemOperand(r1, FixedArray::OffsetOfElementAt(
       DeoptimizationInputData::kOsrPcOffsetIndex) - kHeapObjectTag));
 
   // Compute the target address = code_obj + header_size + osr_offset
   // <entry_addr> = <code_obj> + #header_size + <osr_offset>
   __ add(r0, r0, Operand::SmiUntag(r1));
   __ add(lr, r0, Operand(Code::kHeaderSize - kHeapObjectTag));
 
@@ skipping 490 matching lines @@
   __ bind(&dont_adapt_arguments);
   __ Jump(r3);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM