Allign Intel macro assemblers with changes to ARM macro assembler

src/x64/builtins-x64.cc

 // Copyright 2009 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 518 matching lines @@
     // instance type would be JS_FUNCTION_TYPE.
     // rdi: constructor
     // rax: initial map
     __ CmpInstanceType(rax, JS_FUNCTION_TYPE);
     __ j(equal, &rt_call);
 
     // Now allocate the JSObject on the heap.
     __ movzxbq(rdi, FieldOperand(rax, Map::kInstanceSizeOffset));
     __ shl(rdi, Immediate(kPointerSizeLog2));
     // rdi: size of new object
-    // Make sure that the maximum heap object size will never cause us
-    // problem here, because it is always greater than the maximum
-    // instance size that can be represented in a byte.
-    ASSERT(Heap::MaxObjectSizeInPagedSpace() >= (1 << kBitsPerByte));
     __ AllocateObjectInNewSpace(rdi,
                                 rbx,
                                 rdi,
                                 no_reg,
                                 &rt_call,
                                 NO_ALLOCATION_FLAGS);
     // Allocated the JSObject, now initialize the fields.
     // rax: initial map
     // rbx: JSObject (not HeapObject tagged - the actual address).
     // rdi: start of next object
@@ skipping 40 matching lines @@
     __ subq(rdx, rcx);
     // Done if no extra properties are to be allocated.
     __ j(zero, &allocated);
     __ Assert(positive, "Property allocation count failed.");
 
     // Scale the number of elements by pointer size and add the header for
     // FixedArrays to the start of the next object calculation from above.
     // rbx: JSObject
     // rdi: start of next object (will be start of FixedArray)
     // rdx: number of elements in properties array
-    ASSERT(Heap::MaxObjectSizeInPagedSpace() >
-           (FixedArray::kHeaderSize + 255*kPointerSize));
     __ AllocateObjectInNewSpace(FixedArray::kHeaderSize,
                                 times_pointer_size,
                                 rdx,
                                 rdi,
                                 rax,
                                 no_reg,
                                 &undo_allocation,
                                 RESULT_CONTAINS_TOP);
 
     // Initialize the FixedArray.
@@ skipping 237 matching lines @@
 void Builtins::Generate_JSEntryTrampoline(MacroAssembler* masm) {
   Generate_JSEntryTrampolineHelper(masm, false);
 }
 
 
 void Builtins::Generate_JSConstructEntryTrampoline(MacroAssembler* masm) {
   Generate_JSEntryTrampolineHelper(masm, true);
 }
 
 } }  // namespace v8::internal