| Index: src/arm/stub-cache-arm.cc
 | 
| diff --git a/src/arm/stub-cache-arm.cc b/src/arm/stub-cache-arm.cc
 | 
| new file mode 100644
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| index 0000000000000000000000000000000000000000..56afa0288484d59fd6bf030704f007dfc1a91913
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| --- /dev/null
 | 
| +++ b/src/arm/stub-cache-arm.cc
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| @@ -0,0 +1,1124 @@
 | 
| +// 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
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| +// met:
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| +//
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| +//     * Redistributions of source code must retain the above copyright
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| +//       notice, this list of conditions and the following disclaimer.
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| +//     * Redistributions in binary form must reproduce the above
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| +//       copyright notice, this list of conditions and the following
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| +//       disclaimer in the documentation and/or other materials provided
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| +//       with the distribution.
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| +//     * Neither the name of Google Inc. nor the names of its
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| +//       contributors may be used to endorse or promote products derived
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| +//       from this software without specific prior written permission.
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| +//
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| +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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| +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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| +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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| +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| +
 | 
| +#include "v8.h"
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| +
 | 
| +#include "ic-inl.h"
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| +#include "codegen-inl.h"
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| +#include "stub-cache.h"
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| +
 | 
| +namespace v8 { namespace internal {
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| +
 | 
| +#define __ ACCESS_MASM(masm)
 | 
| +
 | 
| +
 | 
| +static void ProbeTable(MacroAssembler* masm,
 | 
| +                       Code::Flags flags,
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| +                       StubCache::Table table,
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| +                       Register name,
 | 
| +                       Register offset) {
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| +  ExternalReference key_offset(SCTableReference::keyReference(table));
 | 
| +  ExternalReference value_offset(SCTableReference::valueReference(table));
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| +
 | 
| +  Label miss;
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| +
 | 
| +  // Save the offset on the stack.
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| +  __ push(offset);
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| +
 | 
| +  // Check that the key in the entry matches the name.
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| +  __ mov(ip, Operand(key_offset));
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| +  __ ldr(ip, MemOperand(ip, offset, LSL, 1));
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| +  __ cmp(name, Operand(ip));
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| +  __ b(ne, &miss);
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| +
 | 
| +  // Get the code entry from the cache.
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| +  __ mov(ip, Operand(value_offset));
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| +  __ ldr(offset, MemOperand(ip, offset, LSL, 1));
 | 
| +
 | 
| +  // Check that the flags match what we're looking for.
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| +  __ ldr(offset, FieldMemOperand(offset, Code::kFlagsOffset));
 | 
| +  __ and_(offset, offset, Operand(~Code::kFlagsTypeMask));
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| +  __ cmp(offset, Operand(flags));
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| +  __ b(ne, &miss);
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| +
 | 
| +  // Restore offset and re-load code entry from cache.
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| +  __ pop(offset);
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| +  __ mov(ip, Operand(value_offset));
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| +  __ ldr(offset, MemOperand(ip, offset, LSL, 1));
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| +
 | 
| +  // Jump to the first instruction in the code stub.
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| +  __ add(offset, offset, Operand(Code::kHeaderSize - kHeapObjectTag));
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| +  __ Jump(offset);
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| +
 | 
| +  // Miss: Restore offset and fall through.
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| +  __ bind(&miss);
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| +  __ pop(offset);
 | 
| +}
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| +
 | 
| +
 | 
| +void StubCache::GenerateProbe(MacroAssembler* masm,
 | 
| +                              Code::Flags flags,
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| +                              Register receiver,
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| +                              Register name,
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| +                              Register scratch) {
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| +  Label miss;
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| +
 | 
| +  // Make sure that code is valid. The shifting code relies on the
 | 
| +  // entry size being 8.
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| +  ASSERT(sizeof(Entry) == 8);
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| +
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| +  // Make sure the flags does not name a specific type.
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| +  ASSERT(Code::ExtractTypeFromFlags(flags) == 0);
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| +
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| +  // Make sure that there are no register conflicts.
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| +  ASSERT(!scratch.is(receiver));
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| +  ASSERT(!scratch.is(name));
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| +
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| +  // Check that the receiver isn't a smi.
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| +  __ tst(receiver, Operand(kSmiTagMask));
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| +  __ b(eq, &miss);
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| +
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| +  // Get the map of the receiver and compute the hash.
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| +  __ ldr(scratch, FieldMemOperand(name, String::kLengthOffset));
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| +  __ ldr(ip, FieldMemOperand(receiver, HeapObject::kMapOffset));
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| +  __ add(scratch, scratch, Operand(ip));
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| +  __ eor(scratch, scratch, Operand(flags));
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| +  __ and_(scratch,
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| +          scratch,
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| +          Operand((kPrimaryTableSize - 1) << kHeapObjectTagSize));
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| +
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| +  // Probe the primary table.
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| +  ProbeTable(masm, flags, kPrimary, name, scratch);
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| +
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| +  // Primary miss: Compute hash for secondary probe.
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| +  __ sub(scratch, scratch, Operand(name));
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| +  __ add(scratch, scratch, Operand(flags));
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| +  __ and_(scratch,
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| +          scratch,
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| +          Operand((kSecondaryTableSize - 1) << kHeapObjectTagSize));
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| +
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| +  // Probe the secondary table.
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| +  ProbeTable(masm, flags, kSecondary, name, scratch);
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| +
 | 
| +  // Cache miss: Fall-through and let caller handle the miss by
 | 
| +  // entering the runtime system.
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| +  __ bind(&miss);
 | 
| +}
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| +
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| +
 | 
| +void StubCompiler::GenerateLoadGlobalFunctionPrototype(MacroAssembler* masm,
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| +                                                       int index,
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| +                                                       Register prototype) {
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| +  // Load the global or builtins object from the current context.
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| +  __ ldr(prototype, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX)));
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| +  // Load the global context from the global or builtins object.
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| +  __ ldr(prototype,
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| +         FieldMemOperand(prototype, GlobalObject::kGlobalContextOffset));
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| +  // Load the function from the global context.
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| +  __ ldr(prototype, MemOperand(prototype, Context::SlotOffset(index)));
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| +  // Load the initial map.  The global functions all have initial maps.
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| +  __ ldr(prototype,
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| +         FieldMemOperand(prototype, JSFunction::kPrototypeOrInitialMapOffset));
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| +  // Load the prototype from the initial map.
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| +  __ ldr(prototype, FieldMemOperand(prototype, Map::kPrototypeOffset));
 | 
| +}
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| +
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| +
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| +// Load a fast property out of a holder object (src). In-object properties
 | 
| +// are loaded directly otherwise the property is loaded from the properties
 | 
| +// fixed array.
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| +void StubCompiler::GenerateFastPropertyLoad(MacroAssembler* masm,
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| +                                            Register dst, Register src,
 | 
| +                                            JSObject* holder, int index) {
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| +  // Adjust for the number of properties stored in the holder.
 | 
| +  index -= holder->map()->inobject_properties();
 | 
| +  if (index < 0) {
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| +    // Get the property straight out of the holder.
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| +    int offset = holder->map()->instance_size() + (index * kPointerSize);
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| +    __ ldr(dst, FieldMemOperand(src, offset));
 | 
| +  } else {
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| +    // Calculate the offset into the properties array.
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| +    int offset = index * kPointerSize + Array::kHeaderSize;
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| +    __ ldr(dst, FieldMemOperand(src, JSObject::kPropertiesOffset));
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| +    __ ldr(dst, FieldMemOperand(dst, offset));
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| +  }
 | 
| +}
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| +
 | 
| +
 | 
| +void StubCompiler::GenerateLoadField(MacroAssembler* masm,
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| +                                     JSObject* object,
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| +                                     JSObject* holder,
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| +                                     Register receiver,
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| +                                     Register scratch1,
 | 
| +                                     Register scratch2,
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| +                                     int index,
 | 
| +                                     Label* miss_label) {
 | 
| +  // Check that the receiver isn't a smi.
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| +  __ tst(receiver, Operand(kSmiTagMask));
 | 
| +  __ b(eq, miss_label);
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| +
 | 
| +  // Check that the maps haven't changed.
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| +  Register reg =
 | 
| +      masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label);
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| +  GenerateFastPropertyLoad(masm, r0, reg, holder, index);
 | 
| +  __ Ret();
 | 
| +}
 | 
| +
 | 
| +
 | 
| +void StubCompiler::GenerateLoadConstant(MacroAssembler* masm,
 | 
| +                                        JSObject* object,
 | 
| +                                        JSObject* holder,
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| +                                        Register receiver,
 | 
| +                                        Register scratch1,
 | 
| +                                        Register scratch2,
 | 
| +                                        Object* value,
 | 
| +                                        Label* miss_label) {
 | 
| +  // Check that the receiver isn't a smi.
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| +  __ tst(receiver, Operand(kSmiTagMask));
 | 
| +  __ b(eq, miss_label);
 | 
| +
 | 
| +  // Check that the maps haven't changed.
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| +  Register reg =
 | 
| +      masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label);
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| +
 | 
| +  // Return the constant value.
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| +  __ mov(r0, Operand(Handle<Object>(value)));
 | 
| +  __ Ret();
 | 
| +}
 | 
| +
 | 
| +
 | 
| +void StubCompiler::GenerateLoadCallback(MacroAssembler* masm,
 | 
| +                                        JSObject* object,
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| +                                        JSObject* holder,
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| +                                        Register receiver,
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| +                                        Register name,
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| +                                        Register scratch1,
 | 
| +                                        Register scratch2,
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| +                                        AccessorInfo* callback,
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| +                                        Label* miss_label) {
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| +  // Check that the receiver isn't a smi.
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| +  __ tst(receiver, Operand(kSmiTagMask));
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| +  __ b(eq, miss_label);
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| +
 | 
| +  // Check that the maps haven't changed.
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| +  Register reg =
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| +      masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label);
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| +
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| +  // Push the arguments on the JS stack of the caller.
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| +  __ push(receiver);  // receiver
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| +  __ mov(ip, Operand(Handle<AccessorInfo>(callback)));  // callback data
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| +  __ push(ip);
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| +  __ push(name);  // name
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| +  __ push(reg);  // holder
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| +
 | 
| +  // Do tail-call to the runtime system.
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| +  ExternalReference load_callback_property =
 | 
| +      ExternalReference(IC_Utility(IC::kLoadCallbackProperty));
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| +  __ TailCallRuntime(load_callback_property, 4);
 | 
| +}
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| +
 | 
| +
 | 
| +void StubCompiler::GenerateLoadInterceptor(MacroAssembler* masm,
 | 
| +                                           JSObject* object,
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| +                                           JSObject* holder,
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| +                                           Register receiver,
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| +                                           Register name,
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| +                                           Register scratch1,
 | 
| +                                           Register scratch2,
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| +                                           Label* miss_label) {
 | 
| +  // Check that the receiver isn't a smi.
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| +  __ tst(receiver, Operand(kSmiTagMask));
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| +  __ b(eq, miss_label);
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| +
 | 
| +  // Check that the maps haven't changed.
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| +  Register reg =
 | 
| +      masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label);
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| +
 | 
| +  // Push the arguments on the JS stack of the caller.
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| +  __ push(receiver);  // receiver
 | 
| +  __ push(reg);  // holder
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| +  __ push(name);  // name
 | 
| +
 | 
| +  // Do tail-call to the runtime system.
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| +  ExternalReference load_ic_property =
 | 
| +      ExternalReference(IC_Utility(IC::kLoadInterceptorProperty));
 | 
| +  __ TailCallRuntime(load_ic_property, 3);
 | 
| +}
 | 
| +
 | 
| +
 | 
| +void StubCompiler::GenerateLoadArrayLength(MacroAssembler* masm,
 | 
| +                                           Register receiver,
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| +                                           Register scratch,
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| +                                           Label* miss_label) {
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| +  // Check that the receiver isn't a smi.
 | 
| +  __ tst(receiver, Operand(kSmiTagMask));
 | 
| +  __ b(eq, miss_label);
 | 
| +
 | 
| +  // Check that the object is a JS array.
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| +  __ ldr(scratch, FieldMemOperand(receiver, HeapObject::kMapOffset));
 | 
| +  __ ldrb(scratch, FieldMemOperand(scratch, Map::kInstanceTypeOffset));
 | 
| +  __ cmp(scratch, Operand(JS_ARRAY_TYPE));
 | 
| +  __ b(ne, miss_label);
 | 
| +
 | 
| +  // Load length directly from the JS array.
 | 
| +  __ ldr(r0, FieldMemOperand(receiver, JSArray::kLengthOffset));
 | 
| +  __ Ret();
 | 
| +}
 | 
| +
 | 
| +
 | 
| +// Generate code to check if an object is a string.  If the object is
 | 
| +// a string, the map's instance type is left in the scratch1 register.
 | 
| +static void GenerateStringCheck(MacroAssembler* masm,
 | 
| +                                Register receiver,
 | 
| +                                Register scratch1,
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| +                                Register scratch2,
 | 
| +                                Label* smi,
 | 
| +                                Label* non_string_object) {
 | 
| +  // Check that the receiver isn't a smi.
 | 
| +  __ tst(receiver, Operand(kSmiTagMask));
 | 
| +  __ b(eq, smi);
 | 
| +
 | 
| +  // Check that the object is a string.
 | 
| +  __ ldr(scratch1, FieldMemOperand(receiver, HeapObject::kMapOffset));
 | 
| +  __ ldrb(scratch1, FieldMemOperand(scratch1, Map::kInstanceTypeOffset));
 | 
| +  __ and_(scratch2, scratch1, Operand(kIsNotStringMask));
 | 
| +  // The cast is to resolve the overload for the argument of 0x0.
 | 
| +  __ cmp(scratch2, Operand(static_cast<int32_t>(kStringTag)));
 | 
| +  __ b(ne, non_string_object);
 | 
| +}
 | 
| +
 | 
| +
 | 
| +// Generate code to load the length from a string object and return the length.
 | 
| +// If the receiver object is not a string or a wrapped string object the
 | 
| +// execution continues at the miss label. The register containing the
 | 
| +// receiver is potentially clobbered.
 | 
| +void StubCompiler::GenerateLoadStringLength2(MacroAssembler* masm,
 | 
| +                                             Register receiver,
 | 
| +                                             Register scratch1,
 | 
| +                                             Register scratch2,
 | 
| +                                             Label* miss) {
 | 
| +  Label check_string, check_wrapper;
 | 
| +
 | 
| +  __ bind(&check_string);
 | 
| +  // Check if the object is a string leaving the instance type in the
 | 
| +  // scratch1 register.
 | 
| +  GenerateStringCheck(masm, receiver, scratch1, scratch2,
 | 
| +                      miss, &check_wrapper);
 | 
| +
 | 
| +  // Load length directly from the string.
 | 
| +  __ and_(scratch1, scratch1, Operand(kStringSizeMask));
 | 
| +  __ add(scratch1, scratch1, Operand(String::kHashShift));
 | 
| +  __ ldr(r0, FieldMemOperand(receiver, String::kLengthOffset));
 | 
| +  __ mov(r0, Operand(r0, LSR, scratch1));
 | 
| +  __ mov(r0, Operand(r0, LSL, kSmiTagSize));
 | 
| +  __ Ret();
 | 
| +
 | 
| +  // Check if the object is a JSValue wrapper.
 | 
| +  __ bind(&check_wrapper);
 | 
| +  __ cmp(scratch1, Operand(JS_VALUE_TYPE));
 | 
| +  __ b(ne, miss);
 | 
| +
 | 
| +  // Unwrap the value in place and check if the wrapped value is a string.
 | 
| +  __ ldr(receiver, FieldMemOperand(receiver, JSValue::kValueOffset));
 | 
| +  __ b(&check_string);
 | 
| +}
 | 
| +
 | 
| +
 | 
| +// Generate StoreField code, value is passed in r0 register.
 | 
| +// After executing generated code, the receiver_reg and name_reg
 | 
| +// may be clobbered.
 | 
| +void StubCompiler::GenerateStoreField(MacroAssembler* masm,
 | 
| +                                      Builtins::Name storage_extend,
 | 
| +                                      JSObject* object,
 | 
| +                                      int index,
 | 
| +                                      Map* transition,
 | 
| +                                      Register receiver_reg,
 | 
| +                                      Register name_reg,
 | 
| +                                      Register scratch,
 | 
| +                                      Label* miss_label) {
 | 
| +  // r0 : value
 | 
| +  Label exit;
 | 
| +
 | 
| +  // Check that the receiver isn't a smi.
 | 
| +  __ tst(receiver_reg, Operand(kSmiTagMask));
 | 
| +  __ b(eq, miss_label);
 | 
| +
 | 
| +  // Check that the map of the receiver hasn't changed.
 | 
| +  __ ldr(scratch, FieldMemOperand(receiver_reg, HeapObject::kMapOffset));
 | 
| +  __ cmp(scratch, Operand(Handle<Map>(object->map())));
 | 
| +  __ b(ne, miss_label);
 | 
| +
 | 
| +  // Perform global security token check if needed.
 | 
| +  if (object->IsJSGlobalProxy()) {
 | 
| +    __ CheckAccessGlobalProxy(receiver_reg, scratch, miss_label);
 | 
| +  }
 | 
| +
 | 
| +  // Stub never generated for non-global objects that require access
 | 
| +  // checks.
 | 
| +  ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded());
 | 
| +
 | 
| +  // Perform map transition for the receiver if necessary.
 | 
| +  if ((transition != NULL) && (object->map()->unused_property_fields() == 0)) {
 | 
| +    // The properties must be extended before we can store the value.
 | 
| +    // We jump to a runtime call that extends the properties array.
 | 
| +    __ mov(r2, Operand(Handle<Map>(transition)));
 | 
| +    // Please note, if we implement keyed store for arm we need
 | 
| +    // to call the Builtins::KeyedStoreIC_ExtendStorage.
 | 
| +    Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_ExtendStorage));
 | 
| +    __ Jump(ic, RelocInfo::CODE_TARGET);
 | 
| +    return;
 | 
| +  }
 | 
| +
 | 
| +  if (transition != NULL) {
 | 
| +    // Update the map of the object; no write barrier updating is
 | 
| +    // needed because the map is never in new space.
 | 
| +    __ mov(ip, Operand(Handle<Map>(transition)));
 | 
| +    __ str(ip, FieldMemOperand(receiver_reg, HeapObject::kMapOffset));
 | 
| +  }
 | 
| +
 | 
| +  // Adjust for the number of properties stored in the object. Even in the
 | 
| +  // face of a transition we can use the old map here because the size of the
 | 
| +  // object and the number of in-object properties is not going to change.
 | 
| +  index -= object->map()->inobject_properties();
 | 
| +
 | 
| +  if (index < 0) {
 | 
| +    // Set the property straight into the object.
 | 
| +    int offset = object->map()->instance_size() + (index * kPointerSize);
 | 
| +    __ str(r0, FieldMemOperand(receiver_reg, offset));
 | 
| +
 | 
| +    // Skip updating write barrier if storing a smi.
 | 
| +    __ tst(r0, Operand(kSmiTagMask));
 | 
| +    __ b(eq, &exit);
 | 
| +
 | 
| +    // Update the write barrier for the array address.
 | 
| +    // Pass the value being stored in the now unused name_reg.
 | 
| +    __ mov(name_reg, Operand(offset));
 | 
| +    __ RecordWrite(receiver_reg, name_reg, scratch);
 | 
| +  } else {
 | 
| +    // Write to the properties array.
 | 
| +    int offset = index * kPointerSize + Array::kHeaderSize;
 | 
| +    // Get the properties array
 | 
| +    __ ldr(scratch, FieldMemOperand(receiver_reg, JSObject::kPropertiesOffset));
 | 
| +    __ str(r0, FieldMemOperand(scratch, offset));
 | 
| +
 | 
| +    // Skip updating write barrier if storing a smi.
 | 
| +    __ tst(r0, Operand(kSmiTagMask));
 | 
| +    __ b(eq, &exit);
 | 
| +
 | 
| +    // Update the write barrier for the array address.
 | 
| +    // Ok to clobber receiver_reg and name_reg, since we return.
 | 
| +    __ mov(name_reg, Operand(offset));
 | 
| +    __ RecordWrite(scratch, name_reg, receiver_reg);
 | 
| +  }
 | 
| +
 | 
| +  // Return the value (register r0).
 | 
| +  __ bind(&exit);
 | 
| +  __ Ret();
 | 
| +}
 | 
| +
 | 
| +
 | 
| +void StubCompiler::GenerateLoadMiss(MacroAssembler* masm, Code::Kind kind) {
 | 
| +  ASSERT(kind == Code::LOAD_IC || kind == Code::KEYED_LOAD_IC);
 | 
| +  Code* code = NULL;
 | 
| +  if (kind == Code::LOAD_IC) {
 | 
| +    code = Builtins::builtin(Builtins::LoadIC_Miss);
 | 
| +  } else {
 | 
| +    code = Builtins::builtin(Builtins::KeyedLoadIC_Miss);
 | 
| +  }
 | 
| +
 | 
| +  Handle<Code> ic(code);
 | 
| +  __ Jump(ic, RelocInfo::CODE_TARGET);
 | 
| +}
 | 
| +
 | 
| +
 | 
| +#undef __
 | 
| +#define __ ACCESS_MASM(masm())
 | 
| +
 | 
| +
 | 
| +Object* StubCompiler::CompileLazyCompile(Code::Flags flags) {
 | 
| +  // ----------- S t a t e -------------
 | 
| +  //  -- r1: function
 | 
| +  //  -- lr: return address
 | 
| +  // -----------------------------------
 | 
| +
 | 
| +  // Enter an internal frame.
 | 
| +  __ EnterInternalFrame();
 | 
| +
 | 
| +  // Preserve the function.
 | 
| +  __ push(r1);
 | 
| +
 | 
| +  // Push the function on the stack as the argument to the runtime function.
 | 
| +  __ push(r1);
 | 
| +  __ CallRuntime(Runtime::kLazyCompile, 1);
 | 
| +
 | 
| +  // Calculate the entry point.
 | 
| +  __ add(r2, r0, Operand(Code::kHeaderSize - kHeapObjectTag));
 | 
| +
 | 
| +  // Restore saved function.
 | 
| +  __ pop(r1);
 | 
| +
 | 
| +  // Tear down temporary frame.
 | 
| +  __ LeaveInternalFrame();
 | 
| +
 | 
| +  // Do a tail-call of the compiled function.
 | 
| +  __ Jump(r2);
 | 
| +
 | 
| +  return GetCodeWithFlags(flags, "LazyCompileStub");
 | 
| +}
 | 
| +
 | 
| +
 | 
| +Object* CallStubCompiler::CompileCallField(Object* object,
 | 
| +                                           JSObject* holder,
 | 
| +                                           int index,
 | 
| +                                           String* name) {
 | 
| +  // ----------- S t a t e -------------
 | 
| +  //  -- lr: return address
 | 
| +  // -----------------------------------
 | 
| +  Label miss;
 | 
| +
 | 
| +  const int argc = arguments().immediate();
 | 
| +
 | 
| +  // Get the receiver of the function from the stack into r0.
 | 
| +  __ ldr(r0, MemOperand(sp, argc * kPointerSize));
 | 
| +  // Check that the receiver isn't a smi.
 | 
| +  __ tst(r0, Operand(kSmiTagMask));
 | 
| +  __ b(eq, &miss);
 | 
| +
 | 
| +  // Do the right check and compute the holder register.
 | 
| +  Register reg =
 | 
| +      masm()->CheckMaps(JSObject::cast(object), r0, holder, r3, r2, &miss);
 | 
| +  GenerateFastPropertyLoad(masm(), r1, reg, holder, index);
 | 
| +
 | 
| +  // Check that the function really is a function.
 | 
| +  __ tst(r1, Operand(kSmiTagMask));
 | 
| +  __ b(eq, &miss);
 | 
| +  // Get the map.
 | 
| +  __ ldr(r2, FieldMemOperand(r1, HeapObject::kMapOffset));
 | 
| +  __ ldrb(r2, FieldMemOperand(r2, Map::kInstanceTypeOffset));
 | 
| +  __ cmp(r2, Operand(JS_FUNCTION_TYPE));
 | 
| +  __ b(ne, &miss);
 | 
| +
 | 
| +  // Patch the receiver on the stack with the global proxy if
 | 
| +  // necessary.
 | 
| +  if (object->IsGlobalObject()) {
 | 
| +    __ ldr(r3, FieldMemOperand(r0, GlobalObject::kGlobalReceiverOffset));
 | 
| +    __ str(r3, MemOperand(sp, argc * kPointerSize));
 | 
| +  }
 | 
| +
 | 
| +  // Invoke the function.
 | 
| +  __ InvokeFunction(r1, arguments(), JUMP_FUNCTION);
 | 
| +
 | 
| +  // Handle call cache miss.
 | 
| +  __ bind(&miss);
 | 
| +  Handle<Code> ic = ComputeCallMiss(arguments().immediate());
 | 
| +  __ Jump(ic, RelocInfo::CODE_TARGET);
 | 
| +
 | 
| +  // Return the generated code.
 | 
| +  return GetCode(FIELD, name);
 | 
| +}
 | 
| +
 | 
| +
 | 
| +Object* CallStubCompiler::CompileCallConstant(Object* object,
 | 
| +                                              JSObject* holder,
 | 
| +                                              JSFunction* function,
 | 
| +                                              CheckType check) {
 | 
| +  // ----------- S t a t e -------------
 | 
| +  //  -- lr: return address
 | 
| +  // -----------------------------------
 | 
| +  Label miss;
 | 
| +
 | 
| +  // Get the receiver from the stack
 | 
| +  const int argc = arguments().immediate();
 | 
| +  __ ldr(r1, MemOperand(sp, argc * kPointerSize));
 | 
| +
 | 
| +  // Check that the receiver isn't a smi.
 | 
| +  if (check != NUMBER_CHECK) {
 | 
| +    __ tst(r1, Operand(kSmiTagMask));
 | 
| +    __ b(eq, &miss);
 | 
| +  }
 | 
| +
 | 
| +  // Make sure that it's okay not to patch the on stack receiver
 | 
| +  // unless we're doing a receiver map check.
 | 
| +  ASSERT(!object->IsGlobalObject() || check == RECEIVER_MAP_CHECK);
 | 
| +
 | 
| +  switch (check) {
 | 
| +    case RECEIVER_MAP_CHECK:
 | 
| +      // Check that the maps haven't changed.
 | 
| +      __ CheckMaps(JSObject::cast(object), r1, holder, r3, r2, &miss);
 | 
| +
 | 
| +      // Patch the receiver on the stack with the global proxy if
 | 
| +      // necessary.
 | 
| +      if (object->IsGlobalObject()) {
 | 
| +        __ ldr(r3, FieldMemOperand(r1, GlobalObject::kGlobalReceiverOffset));
 | 
| +        __ str(r3, MemOperand(sp, argc * kPointerSize));
 | 
| +      }
 | 
| +      break;
 | 
| +
 | 
| +    case STRING_CHECK:
 | 
| +      // Check that the object is a two-byte string or a symbol.
 | 
| +      __ ldr(r2, FieldMemOperand(r1, HeapObject::kMapOffset));
 | 
| +      __ ldrb(r2, FieldMemOperand(r2, Map::kInstanceTypeOffset));
 | 
| +      __ cmp(r2, Operand(FIRST_NONSTRING_TYPE));
 | 
| +      __ b(hs, &miss);
 | 
| +      // Check that the maps starting from the prototype haven't changed.
 | 
| +      GenerateLoadGlobalFunctionPrototype(masm(),
 | 
| +                                          Context::STRING_FUNCTION_INDEX,
 | 
| +                                          r2);
 | 
| +      __ CheckMaps(JSObject::cast(object->GetPrototype()),
 | 
| +                   r2, holder, r3, r1, &miss);
 | 
| +      break;
 | 
| +
 | 
| +    case NUMBER_CHECK: {
 | 
| +      Label fast;
 | 
| +      // Check that the object is a smi or a heap number.
 | 
| +      __ tst(r1, Operand(kSmiTagMask));
 | 
| +      __ b(eq, &fast);
 | 
| +      __ ldr(r2, FieldMemOperand(r1, HeapObject::kMapOffset));
 | 
| +      __ ldrb(r2, FieldMemOperand(r2, Map::kInstanceTypeOffset));
 | 
| +      __ cmp(r2, Operand(HEAP_NUMBER_TYPE));
 | 
| +      __ b(ne, &miss);
 | 
| +      __ bind(&fast);
 | 
| +      // Check that the maps starting from the prototype haven't changed.
 | 
| +      GenerateLoadGlobalFunctionPrototype(masm(),
 | 
| +                                          Context::NUMBER_FUNCTION_INDEX,
 | 
| +                                          r2);
 | 
| +      __ CheckMaps(JSObject::cast(object->GetPrototype()),
 | 
| +                   r2, holder, r3, r1, &miss);
 | 
| +      break;
 | 
| +    }
 | 
| +
 | 
| +    case BOOLEAN_CHECK: {
 | 
| +      Label fast;
 | 
| +      // Check that the object is a boolean.
 | 
| +      __ cmp(r1, Operand(Factory::true_value()));
 | 
| +      __ b(eq, &fast);
 | 
| +      __ cmp(r1, Operand(Factory::false_value()));
 | 
| +      __ b(ne, &miss);
 | 
| +      __ bind(&fast);
 | 
| +      // Check that the maps starting from the prototype haven't changed.
 | 
| +      GenerateLoadGlobalFunctionPrototype(masm(),
 | 
| +                                          Context::BOOLEAN_FUNCTION_INDEX,
 | 
| +                                          r2);
 | 
| +      __ CheckMaps(JSObject::cast(object->GetPrototype()),
 | 
| +                   r2, holder, r3, r1, &miss);
 | 
| +      break;
 | 
| +    }
 | 
| +
 | 
| +    case JSARRAY_HAS_FAST_ELEMENTS_CHECK:
 | 
| +      __ CheckMaps(JSObject::cast(object), r1, holder, r3, r2, &miss);
 | 
| +      // Make sure object->elements()->map() != Heap::hash_table_map()
 | 
| +      // Get the elements array of the object.
 | 
| +      __ ldr(r3, FieldMemOperand(r1, JSObject::kElementsOffset));
 | 
| +      // Check that the object is in fast mode (not dictionary).
 | 
| +      __ ldr(r2, FieldMemOperand(r3, HeapObject::kMapOffset));
 | 
| +      __ cmp(r2, Operand(Factory::hash_table_map()));
 | 
| +      __ b(eq, &miss);
 | 
| +      break;
 | 
| +
 | 
| +    default:
 | 
| +      UNREACHABLE();
 | 
| +  }
 | 
| +
 | 
| +  // Get the function and setup the context.
 | 
| +  __ mov(r1, Operand(Handle<JSFunction>(function)));
 | 
| +  __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset));
 | 
| +
 | 
| +  // Jump to the cached code (tail call).
 | 
| +  Handle<Code> code(function->code());
 | 
| +  ParameterCount expected(function->shared()->formal_parameter_count());
 | 
| +  __ InvokeCode(code, expected, arguments(),
 | 
| +                RelocInfo::CODE_TARGET, JUMP_FUNCTION);
 | 
| +
 | 
| +  // Handle call cache miss.
 | 
| +  __ bind(&miss);
 | 
| +  Handle<Code> ic = ComputeCallMiss(arguments().immediate());
 | 
| +  __ Jump(ic, RelocInfo::CODE_TARGET);
 | 
| +
 | 
| +  // Return the generated code.
 | 
| +  String* function_name = NULL;
 | 
| +  if (function->shared()->name()->IsString()) {
 | 
| +    function_name = String::cast(function->shared()->name());
 | 
| +  }
 | 
| +  return GetCode(CONSTANT_FUNCTION, function_name);
 | 
| +}
 | 
| +
 | 
| +
 | 
| +Object* CallStubCompiler::CompileCallInterceptor(Object* object,
 | 
| +                                                 JSObject* holder,
 | 
| +                                                 String* name) {
 | 
| +  // ----------- S t a t e -------------
 | 
| +  //  -- lr: return address
 | 
| +  // -----------------------------------
 | 
| +  Label miss;
 | 
| +
 | 
| +  // TODO(1224669): Implement.
 | 
| +
 | 
| +  // Handle call cache miss.
 | 
| +  __ bind(&miss);
 | 
| +  Handle<Code> ic = ComputeCallMiss(arguments().immediate());
 | 
| +  __ Jump(ic, RelocInfo::CODE_TARGET);
 | 
| +
 | 
| +  // Return the generated code.
 | 
| +  return GetCode(INTERCEPTOR, name);
 | 
| +}
 | 
| +
 | 
| +
 | 
| +Object* StoreStubCompiler::CompileStoreField(JSObject* object,
 | 
| +                                             int index,
 | 
| +                                             Map* transition,
 | 
| +                                             String* name) {
 | 
| +  // ----------- S t a t e -------------
 | 
| +  //  -- r0    : value
 | 
| +  //  -- r2    : name
 | 
| +  //  -- lr    : return address
 | 
| +  //  -- [sp]  : receiver
 | 
| +  // -----------------------------------
 | 
| +  Label miss;
 | 
| +
 | 
| +  // Get the receiver from the stack.
 | 
| +  __ ldr(r3, MemOperand(sp, 0 * kPointerSize));
 | 
| +
 | 
| +  // name register might be clobbered.
 | 
| +  GenerateStoreField(masm(),
 | 
| +                     Builtins::StoreIC_ExtendStorage,
 | 
| +                     object,
 | 
| +                     index,
 | 
| +                     transition,
 | 
| +                     r3, r2, r1,
 | 
| +                     &miss);
 | 
| +  __ bind(&miss);
 | 
| +  __ mov(r2, Operand(Handle<String>(name)));  // restore name
 | 
| +  Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss));
 | 
| +  __ Jump(ic, RelocInfo::CODE_TARGET);
 | 
| +
 | 
| +  // Return the generated code.
 | 
| +  return GetCode(transition == NULL ? FIELD : MAP_TRANSITION, name);
 | 
| +}
 | 
| +
 | 
| +
 | 
| +Object* StoreStubCompiler::CompileStoreCallback(JSObject* object,
 | 
| +                                                AccessorInfo* callback,
 | 
| +                                                String* name) {
 | 
| +  // ----------- S t a t e -------------
 | 
| +  //  -- r0    : value
 | 
| +  //  -- r2    : name
 | 
| +  //  -- lr    : return address
 | 
| +  //  -- [sp]  : receiver
 | 
| +  // -----------------------------------
 | 
| +  Label miss;
 | 
| +
 | 
| +  // Get the object from the stack.
 | 
| +  __ ldr(r3, MemOperand(sp, 0 * kPointerSize));
 | 
| +
 | 
| +  // Check that the object isn't a smi.
 | 
| +  __ tst(r3, Operand(kSmiTagMask));
 | 
| +  __ b(eq, &miss);
 | 
| +
 | 
| +  // Check that the map of the object hasn't changed.
 | 
| +  __ ldr(r1, FieldMemOperand(r3, HeapObject::kMapOffset));
 | 
| +  __ cmp(r1, Operand(Handle<Map>(object->map())));
 | 
| +  __ b(ne, &miss);
 | 
| +
 | 
| +  // Perform global security token check if needed.
 | 
| +  if (object->IsJSGlobalProxy()) {
 | 
| +    __ CheckAccessGlobalProxy(r3, r1, &miss);
 | 
| +  }
 | 
| +
 | 
| +  // Stub never generated for non-global objects that require access
 | 
| +  // checks.
 | 
| +  ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded());
 | 
| +
 | 
| +  __ ldr(ip, MemOperand(sp));  // receiver
 | 
| +  __ push(ip);
 | 
| +  __ mov(ip, Operand(Handle<AccessorInfo>(callback)));  // callback info
 | 
| +  __ push(ip);
 | 
| +  __ push(r2);  // name
 | 
| +  __ push(r0);  // value
 | 
| +
 | 
| +  // Do tail-call to the runtime system.
 | 
| +  ExternalReference store_callback_property =
 | 
| +      ExternalReference(IC_Utility(IC::kStoreCallbackProperty));
 | 
| +  __ TailCallRuntime(store_callback_property, 4);
 | 
| +
 | 
| +  // Handle store cache miss.
 | 
| +  __ bind(&miss);
 | 
| +  __ mov(r2, Operand(Handle<String>(name)));  // restore name
 | 
| +  Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss));
 | 
| +  __ Jump(ic, RelocInfo::CODE_TARGET);
 | 
| +
 | 
| +  // Return the generated code.
 | 
| +  return GetCode(CALLBACKS, name);
 | 
| +}
 | 
| +
 | 
| +
 | 
| +Object* StoreStubCompiler::CompileStoreInterceptor(JSObject* receiver,
 | 
| +                                                   String* name) {
 | 
| +  // ----------- S t a t e -------------
 | 
| +  //  -- r0    : value
 | 
| +  //  -- r2    : name
 | 
| +  //  -- lr    : return address
 | 
| +  //  -- [sp]  : receiver
 | 
| +  // -----------------------------------
 | 
| +  Label miss;
 | 
| +
 | 
| +  // Get the object from the stack.
 | 
| +  __ ldr(r3, MemOperand(sp, 0 * kPointerSize));
 | 
| +
 | 
| +  // Check that the object isn't a smi.
 | 
| +  __ tst(r3, Operand(kSmiTagMask));
 | 
| +  __ b(eq, &miss);
 | 
| +
 | 
| +  // Check that the map of the object hasn't changed.
 | 
| +  __ ldr(r1, FieldMemOperand(r3, HeapObject::kMapOffset));
 | 
| +  __ cmp(r1, Operand(Handle<Map>(receiver->map())));
 | 
| +  __ b(ne, &miss);
 | 
| +
 | 
| +  // Perform global security token check if needed.
 | 
| +  if (receiver->IsJSGlobalProxy()) {
 | 
| +    __ CheckAccessGlobalProxy(r3, r1, &miss);
 | 
| +  }
 | 
| +
 | 
| +  // Stub never generated for non-global objects that require access
 | 
| +  // checks.
 | 
| +  ASSERT(receiver->IsJSGlobalProxy() || !receiver->IsAccessCheckNeeded());
 | 
| +
 | 
| +  __ ldr(ip, MemOperand(sp));  // receiver
 | 
| +  __ push(ip);
 | 
| +  __ push(r2);  // name
 | 
| +  __ push(r0);  // value
 | 
| +
 | 
| +  // Do tail-call to the runtime system.
 | 
| +  ExternalReference store_ic_property =
 | 
| +      ExternalReference(IC_Utility(IC::kStoreInterceptorProperty));
 | 
| +  __ TailCallRuntime(store_ic_property, 3);
 | 
| +
 | 
| +  // Handle store cache miss.
 | 
| +  __ bind(&miss);
 | 
| +  __ mov(r2, Operand(Handle<String>(name)));  // restore name
 | 
| +  Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss));
 | 
| +  __ Jump(ic, RelocInfo::CODE_TARGET);
 | 
| +
 | 
| +  // Return the generated code.
 | 
| +  return GetCode(INTERCEPTOR, name);
 | 
| +}
 | 
| +
 | 
| +
 | 
| +Object* LoadStubCompiler::CompileLoadField(JSObject* object,
 | 
| +                                           JSObject* holder,
 | 
| +                                           int index,
 | 
| +                                           String* name) {
 | 
| +  // ----------- S t a t e -------------
 | 
| +  //  -- r2    : name
 | 
| +  //  -- lr    : return address
 | 
| +  //  -- [sp]  : receiver
 | 
| +  // -----------------------------------
 | 
| +  Label miss;
 | 
| +
 | 
| +  __ ldr(r0, MemOperand(sp, 0));
 | 
| +
 | 
| +  GenerateLoadField(masm(), object, holder, r0, r3, r1, index, &miss);
 | 
| +  __ bind(&miss);
 | 
| +  GenerateLoadMiss(masm(), Code::LOAD_IC);
 | 
| +
 | 
| +  // Return the generated code.
 | 
| +  return GetCode(FIELD, name);
 | 
| +}
 | 
| +
 | 
| +
 | 
| +Object* LoadStubCompiler::CompileLoadCallback(JSObject* object,
 | 
| +                                              JSObject* holder,
 | 
| +                                              AccessorInfo* callback,
 | 
| +                                              String* name) {
 | 
| +  // ----------- S t a t e -------------
 | 
| +  //  -- r2    : name
 | 
| +  //  -- lr    : return address
 | 
| +  //  -- [sp]  : receiver
 | 
| +  // -----------------------------------
 | 
| +  Label miss;
 | 
| +
 | 
| +  __ ldr(r0, MemOperand(sp, 0));
 | 
| +  GenerateLoadCallback(masm(), object, holder, r0, r2, r3, r1, callback, &miss);
 | 
| +  __ bind(&miss);
 | 
| +  GenerateLoadMiss(masm(), Code::LOAD_IC);
 | 
| +
 | 
| +  // Return the generated code.
 | 
| +  return GetCode(CALLBACKS, name);
 | 
| +}
 | 
| +
 | 
| +
 | 
| +Object* LoadStubCompiler::CompileLoadConstant(JSObject* object,
 | 
| +                                              JSObject* holder,
 | 
| +                                              Object* value,
 | 
| +                                              String* name) {
 | 
| +  // ----------- S t a t e -------------
 | 
| +  //  -- r2    : name
 | 
| +  //  -- lr    : return address
 | 
| +  //  -- [sp] : receiver
 | 
| +  // -----------------------------------
 | 
| +  Label miss;
 | 
| +
 | 
| +  __ ldr(r0, MemOperand(sp, 0));
 | 
| +
 | 
| +  GenerateLoadConstant(masm(), object, holder, r0, r3, r1, value, &miss);
 | 
| +  __ bind(&miss);
 | 
| +  GenerateLoadMiss(masm(), Code::LOAD_IC);
 | 
| +
 | 
| +  // Return the generated code.
 | 
| +  return GetCode(CONSTANT_FUNCTION, name);
 | 
| +}
 | 
| +
 | 
| +
 | 
| +Object* LoadStubCompiler::CompileLoadInterceptor(JSObject* object,
 | 
| +                                                 JSObject* holder,
 | 
| +                                                 String* name) {
 | 
| +  // ----------- S t a t e -------------
 | 
| +  //  -- r2    : name
 | 
| +  //  -- lr    : return address
 | 
| +  //  -- [sp]  : receiver
 | 
| +  // -----------------------------------
 | 
| +  Label miss;
 | 
| +
 | 
| +  __ ldr(r0, MemOperand(sp, 0));
 | 
| +
 | 
| +  GenerateLoadInterceptor(masm(), object, holder, r0, r2, r3, r1, &miss);
 | 
| +  __ bind(&miss);
 | 
| +  GenerateLoadMiss(masm(), Code::LOAD_IC);
 | 
| +
 | 
| +  // Return the generated code.
 | 
| +  return GetCode(INTERCEPTOR, name);
 | 
| +}
 | 
| +
 | 
| +
 | 
| +// TODO(1224671): IC stubs for keyed loads have not been implemented
 | 
| +// for ARM.
 | 
| +Object* KeyedLoadStubCompiler::CompileLoadField(String* name,
 | 
| +                                                JSObject* receiver,
 | 
| +                                                JSObject* holder,
 | 
| +                                                int index) {
 | 
| +  // ----------- S t a t e -------------
 | 
| +  //  -- lr    : return address
 | 
| +  //  -- sp[0] : key
 | 
| +  //  -- sp[4] : receiver
 | 
| +  // -----------------------------------
 | 
| +  Label miss;
 | 
| +
 | 
| +  __ ldr(r2, MemOperand(sp, 0));
 | 
| +  __ ldr(r0, MemOperand(sp, kPointerSize));
 | 
| +
 | 
| +  __ cmp(r2, Operand(Handle<String>(name)));
 | 
| +  __ b(ne, &miss);
 | 
| +
 | 
| +  GenerateLoadField(masm(), receiver, holder, r0, r3, r1, index, &miss);
 | 
| +  __ bind(&miss);
 | 
| +  GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
 | 
| +
 | 
| +  return GetCode(FIELD, name);
 | 
| +}
 | 
| +
 | 
| +
 | 
| +Object* KeyedLoadStubCompiler::CompileLoadCallback(String* name,
 | 
| +                                                   JSObject* receiver,
 | 
| +                                                   JSObject* holder,
 | 
| +                                                   AccessorInfo* callback) {
 | 
| +  // ----------- S t a t e -------------
 | 
| +  //  -- lr    : return address
 | 
| +  //  -- sp[0] : key
 | 
| +  //  -- sp[4] : receiver
 | 
| +  // -----------------------------------
 | 
| +  Label miss;
 | 
| +
 | 
| +  __ ldr(r2, MemOperand(sp, 0));
 | 
| +  __ ldr(r0, MemOperand(sp, kPointerSize));
 | 
| +
 | 
| +  __ cmp(r2, Operand(Handle<String>(name)));
 | 
| +  __ b(ne, &miss);
 | 
| +
 | 
| +  GenerateLoadCallback(masm(), receiver, holder, r0, r2, r3,
 | 
| +                       r1, callback, &miss);
 | 
| +  __ bind(&miss);
 | 
| +  GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
 | 
| +
 | 
| +  return GetCode(CALLBACKS, name);
 | 
| +}
 | 
| +
 | 
| +
 | 
| +Object* KeyedLoadStubCompiler::CompileLoadConstant(String* name,
 | 
| +                                                   JSObject* receiver,
 | 
| +                                                   JSObject* holder,
 | 
| +                                                   Object* value) {
 | 
| +  // ----------- S t a t e -------------
 | 
| +  //  -- lr    : return address
 | 
| +  //  -- sp[0] : key
 | 
| +  //  -- sp[4] : receiver
 | 
| +  // -----------------------------------
 | 
| +  Label miss;
 | 
| +
 | 
| +  // Check the key is the cached one
 | 
| +  __ ldr(r2, MemOperand(sp, 0));
 | 
| +  __ ldr(r0, MemOperand(sp, kPointerSize));
 | 
| +
 | 
| +  __ cmp(r2, Operand(Handle<String>(name)));
 | 
| +  __ b(ne, &miss);
 | 
| +
 | 
| +  GenerateLoadConstant(masm(), receiver, holder, r0, r3, r1, value, &miss);
 | 
| +  __ bind(&miss);
 | 
| +  GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
 | 
| +
 | 
| +  // Return the generated code.
 | 
| +  return GetCode(CONSTANT_FUNCTION, name);
 | 
| +}
 | 
| +
 | 
| +
 | 
| +Object* KeyedLoadStubCompiler::CompileLoadInterceptor(JSObject* receiver,
 | 
| +                                                      JSObject* holder,
 | 
| +                                                      String* name) {
 | 
| +  // ----------- S t a t e -------------
 | 
| +  //  -- lr    : return address
 | 
| +  //  -- sp[0] : key
 | 
| +  //  -- sp[4] : receiver
 | 
| +  // -----------------------------------
 | 
| +  Label miss;
 | 
| +
 | 
| +  // Check the key is the cached one
 | 
| +  __ ldr(r2, MemOperand(sp, 0));
 | 
| +  __ ldr(r0, MemOperand(sp, kPointerSize));
 | 
| +
 | 
| +  __ cmp(r2, Operand(Handle<String>(name)));
 | 
| +  __ b(ne, &miss);
 | 
| +
 | 
| +  GenerateLoadInterceptor(masm(), receiver, holder, r0, r2, r3, r1, &miss);
 | 
| +  __ bind(&miss);
 | 
| +  GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
 | 
| +
 | 
| +  return GetCode(INTERCEPTOR, name);
 | 
| +}
 | 
| +
 | 
| +
 | 
| +Object* KeyedLoadStubCompiler::CompileLoadArrayLength(String* name) {
 | 
| +  // ----------- S t a t e -------------
 | 
| +  //  -- lr    : return address
 | 
| +  //  -- sp[0] : key
 | 
| +  //  -- sp[4] : receiver
 | 
| +  // -----------------------------------
 | 
| +  Label miss;
 | 
| +
 | 
| +  // Check the key is the cached one
 | 
| +  __ ldr(r2, MemOperand(sp, 0));
 | 
| +  __ ldr(r0, MemOperand(sp, kPointerSize));
 | 
| +
 | 
| +  __ cmp(r2, Operand(Handle<String>(name)));
 | 
| +  __ b(ne, &miss);
 | 
| +
 | 
| +  GenerateLoadArrayLength(masm(), r0, r3, &miss);
 | 
| +  __ bind(&miss);
 | 
| +  GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
 | 
| +
 | 
| +  return GetCode(CALLBACKS, name);
 | 
| +}
 | 
| +
 | 
| +
 | 
| +Object* KeyedLoadStubCompiler::CompileLoadStringLength(String* name) {
 | 
| +  // ----------- S t a t e -------------
 | 
| +  //  -- lr    : return address
 | 
| +  //  -- sp[0] : key
 | 
| +  //  -- sp[4] : receiver
 | 
| +  // -----------------------------------
 | 
| +  Label miss;
 | 
| +  __ IncrementCounter(&Counters::keyed_load_string_length, 1, r1, r3);
 | 
| +
 | 
| +  __ ldr(r2, MemOperand(sp));
 | 
| +  __ ldr(r0, MemOperand(sp, kPointerSize));  // receiver
 | 
| +
 | 
| +  __ cmp(r2, Operand(Handle<String>(name)));
 | 
| +  __ b(ne, &miss);
 | 
| +
 | 
| +  GenerateLoadStringLength2(masm(), r0, r1, r3, &miss);
 | 
| +  __ bind(&miss);
 | 
| +  __ DecrementCounter(&Counters::keyed_load_string_length, 1, r1, r3);
 | 
| +
 | 
| +  GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
 | 
| +
 | 
| +  return GetCode(CALLBACKS, name);
 | 
| +}
 | 
| +
 | 
| +
 | 
| +// TODO(1224671): implement the fast case.
 | 
| +Object* KeyedLoadStubCompiler::CompileLoadFunctionPrototype(String* name) {
 | 
| +  // ----------- S t a t e -------------
 | 
| +  //  -- lr    : return address
 | 
| +  //  -- sp[0] : key
 | 
| +  //  -- sp[4] : receiver
 | 
| +  // -----------------------------------
 | 
| +  GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
 | 
| +
 | 
| +  return GetCode(CALLBACKS, name);
 | 
| +}
 | 
| +
 | 
| +
 | 
| +Object* KeyedStoreStubCompiler::CompileStoreField(JSObject* object,
 | 
| +                                                  int index,
 | 
| +                                                  Map* transition,
 | 
| +                                                  String* name) {
 | 
| +  // ----------- S t a t e -------------
 | 
| +  //  -- r0    : value
 | 
| +  //  -- r2    : name
 | 
| +  //  -- lr    : return address
 | 
| +  //  -- [sp]  : receiver
 | 
| +  // -----------------------------------
 | 
| +  Label miss;
 | 
| +
 | 
| +  __ IncrementCounter(&Counters::keyed_store_field, 1, r1, r3);
 | 
| +
 | 
| +  // Check that the name has not changed.
 | 
| +  __ cmp(r2, Operand(Handle<String>(name)));
 | 
| +  __ b(ne, &miss);
 | 
| +
 | 
| +  // Load receiver from the stack.
 | 
| +  __ ldr(r3, MemOperand(sp));
 | 
| +  // r1 is used as scratch register, r3 and r2 might be clobbered.
 | 
| +  GenerateStoreField(masm(),
 | 
| +                     Builtins::StoreIC_ExtendStorage,
 | 
| +                     object,
 | 
| +                     index,
 | 
| +                     transition,
 | 
| +                     r3, r2, r1,
 | 
| +                     &miss);
 | 
| +  __ bind(&miss);
 | 
| +
 | 
| +  __ DecrementCounter(&Counters::keyed_store_field, 1, r1, r3);
 | 
| +  __ mov(r2, Operand(Handle<String>(name)));  // restore name register.
 | 
| +  Handle<Code> ic(Builtins::builtin(Builtins::KeyedStoreIC_Miss));
 | 
| +  __ Jump(ic, RelocInfo::CODE_TARGET);
 | 
| +
 | 
| +  // Return the generated code.
 | 
| +  return GetCode(transition == NULL ? FIELD : MAP_TRANSITION, name);
 | 
| +}
 | 
| +
 | 
| +
 | 
| +#undef __
 | 
| +
 | 
| +} }  // namespace v8::internal
 | 
| 
 |