Use root array to load roots in generated ARM code....

src/arm/ic-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 69 matching lines @@
   // Possible work-around for http://crbug.com/16276.
   // See also: http://codereview.chromium.org/155418.
   __ cmp(r3, Operand(JS_GLOBAL_OBJECT_TYPE));
   __ b(eq, miss);
   __ cmp(r3, Operand(JS_BUILTINS_OBJECT_TYPE));
   __ b(eq, miss);
 
   // Check that the properties array is a dictionary.
   __ ldr(t0, FieldMemOperand(t1, JSObject::kPropertiesOffset));
   __ ldr(r3, FieldMemOperand(t0, HeapObject::kMapOffset));
-  __ cmp(r3, Operand(Factory::hash_table_map()));
+  __ LoadRoot(ip, Heap::kHashTableMapRootIndex);
+  __ cmp(r3, ip);
   __ b(ne, miss);
 
   // Compute the capacity mask.
   const int kCapacityOffset = StringDictionary::kHeaderSize +
       StringDictionary::kCapacityIndex * kPointerSize;
   __ ldr(r3, FieldMemOperand(t0, kCapacityOffset));
   __ mov(r3, Operand(r3, ASR, kSmiTagSize));  // convert smi to int
   __ sub(r3, r3, Operand(1));
 
   const int kElementsStartOffset = StringDictionary::kHeaderSize +
@@ skipping 146 matching lines @@
   // Check for string.
   __ bind(&non_number);
   __ cmp(r3, Operand(FIRST_NONSTRING_TYPE));
   __ b(hs, &non_string);
   StubCompiler::GenerateLoadGlobalFunctionPrototype(
       masm, Context::STRING_FUNCTION_INDEX, r1);
   __ b(&probe);
 
   // Check for boolean.
   __ bind(&non_string);
-  __ cmp(r1, Operand(Factory::true_value()));
+  __ LoadRoot(ip, Heap::kTrueValueRootIndex);
+  __ cmp(r1, ip);
   __ b(eq, &boolean);
-  __ cmp(r1, Operand(Factory::false_value()));
+  __ LoadRoot(ip, Heap::kFalseValueRootIndex);
+  __ cmp(r1, ip);
   __ b(ne, &miss);
   __ bind(&boolean);
   StubCompiler::GenerateLoadGlobalFunctionPrototype(
       masm, Context::BOOLEAN_FUNCTION_INDEX, r1);
 
   // Probe the stub cache for the value object.
   __ bind(&probe);
   StubCache::GenerateProbe(masm, flags, r1, r2, r3, no_reg);
 
   // Cache miss: Jump to runtime.
@@ skipping 305 matching lines @@
   // objects work as intended.
   ASSERT(JS_OBJECT_TYPE > JS_VALUE_TYPE);
   __ ldrb(r2, FieldMemOperand(r2, Map::kInstanceTypeOffset));
   __ cmp(r2, Operand(JS_OBJECT_TYPE));
   __ b(lt, &slow);
 
   // Get the elements array of the object.
   __ ldr(r1, FieldMemOperand(r1, JSObject::kElementsOffset));
   // Check that the object is in fast mode (not dictionary).
   __ ldr(r3, FieldMemOperand(r1, HeapObject::kMapOffset));
-  __ cmp(r3, Operand(Factory::fixed_array_map()));
+  __ LoadRoot(ip, Heap::kFixedArrayMapRootIndex);
+  __ cmp(r3, ip);
   __ b(ne, &slow);
   // Check that the key (index) is within bounds.
   __ ldr(r3, FieldMemOperand(r1, Array::kLengthOffset));
   __ cmp(r0, Operand(r3));
   __ b(lo, &fast);
 
   // Slow case: Push extra copies of the arguments (2).
   __ bind(&slow);
   __ IncrementCounter(&Counters::keyed_load_generic_slow, 1, r0, r1);
   __ ldm(ia, sp, r0.bit() | r1.bit());
   __ stm(db_w, sp, r0.bit() | r1.bit());
   // Do tail-call to runtime routine.
   __ TailCallRuntime(ExternalReference(Runtime::kGetProperty), 2);
 
   // Fast case: Do the load.
   __ bind(&fast);
   __ add(r3, r1, Operand(FixedArray::kHeaderSize - kHeapObjectTag));
   __ ldr(r0, MemOperand(r3, r0, LSL, kPointerSizeLog2));
-  __ cmp(r0, Operand(Factory::the_hole_value()));
+  __ LoadRoot(ip, Heap::kTheHoleValueRootIndex);
+  __ cmp(r0, ip);
   // In case the loaded value is the_hole we have to consult GetProperty
   // to ensure the prototype chain is searched.
   __ b(eq, &slow);
 
   __ Ret();
 }
 
 
 void KeyedStoreIC::Generate(MacroAssembler* masm,
                             const ExternalReference& f) {
@@ skipping 39 matching lines @@
   __ b(eq, &array);
   // Check that the object is some kind of JS object.
   __ cmp(r2, Operand(FIRST_JS_OBJECT_TYPE));
   __ b(lt, &slow);
 
 
   // Object case: Check key against length in the elements array.
   __ ldr(r3, FieldMemOperand(r3, JSObject::kElementsOffset));
   // Check that the object is in fast mode (not dictionary).
   __ ldr(r2, FieldMemOperand(r3, HeapObject::kMapOffset));
-  __ cmp(r2, Operand(Factory::fixed_array_map()));
+  __ LoadRoot(ip, Heap::kFixedArrayMapRootIndex);
+  __ cmp(r2, ip);
   __ b(ne, &slow);
   // Untag the key (for checking against untagged length in the fixed array).
   __ mov(r1, Operand(r1, ASR, kSmiTagSize));
   // Compute address to store into and check array bounds.
   __ add(r2, r3, Operand(FixedArray::kHeaderSize - kHeapObjectTag));
   __ add(r2, r2, Operand(r1, LSL, kPointerSizeLog2));
   __ ldr(ip, FieldMemOperand(r3, FixedArray::kLengthOffset));
   __ cmp(r1, Operand(ip));
   __ b(lo, &fast);
 
@@ skipping 28 matching lines @@
   __ b(&fast);
 
 
   // Array case: Get the length and the elements array from the JS
   // array. Check that the array is in fast mode; if it is the
   // length is always a smi.
   // r0 == value, r3 == object
   __ bind(&array);
   __ ldr(r2, FieldMemOperand(r3, JSObject::kElementsOffset));
   __ ldr(r1, FieldMemOperand(r2, HeapObject::kMapOffset));
-  __ cmp(r1, Operand(Factory::fixed_array_map()));
+  __ LoadRoot(ip, Heap::kFixedArrayMapRootIndex);
+  __ cmp(r1, ip);
   __ b(ne, &slow);
 
   // Check the key against the length in the array, compute the
   // address to store into and fall through to fast case.
   __ ldr(r1, MemOperand(sp));  // restore key
   // r0 == value, r1 == key, r2 == elements, r3 == object.
   __ ldr(ip, FieldMemOperand(r3, JSArray::kLengthOffset));
   __ cmp(r1, Operand(ip));
   __ b(hs, &extra);
   __ mov(r3, Operand(r2));
@@ skipping 84 matching lines @@
 
   // Perform tail call to the entry.
   __ TailCallRuntime(f, 3);
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal