Polymorphic inlining for some recognized methods in the optimizing compiler.

runtime/vm/intrinsifier_mips.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_MIPS.
 #if defined(TARGET_ARCH_MIPS)
 
 #include "vm/intrinsifier.h"
 
 #include "vm/assembler.h"
@@ skipping 116 matching lines @@
   __ delay_slot()->addiu(T2, T2, Immediate(kWordSize));
   __ Bind(&done);
 
   __ Ret();  // Returns the newly allocated object in V0.
   __ delay_slot()->mov(V0, T0);
   __ Bind(&fall_through);
   return false;
 }
 
 
-bool Intrinsifier::Array_getLength(Assembler* assembler) {
-  __ lw(V0, Address(SP, 0 * kWordSize));
-  __ Ret();
-  __ delay_slot()->lw(V0, FieldAddress(V0, Array::length_offset()));
-  return true;
-}
-
-
-bool Intrinsifier::ImmutableArray_getLength(Assembler* assembler) {
-  return Array_getLength(assembler);
-}
-
-
 bool Intrinsifier::Array_getIndexed(Assembler* assembler) {
   Label fall_through;
 
   __ lw(T0, Address(SP, + 0 * kWordSize));  // Index
 
   __ andi(CMPRES, T0, Immediate(kSmiTagMask));
   __ bne(CMPRES, ZR, &fall_through);  // Index is not an smi, fall through
   __ delay_slot()->lw(T1, Address(SP, + 1 * kWordSize));  // Array
 
   // range check
@@ skipping 155 matching lines @@
   // Set the length field in the growable array object to 0.
   __ Ret();  // Returns the newly allocated object in V0.
   __ delay_slot()->sw(ZR,
       FieldAddress(V0, GrowableObjectArray::length_offset()));
 
   __ Bind(&fall_through);
   return false;
 }
 
 
-bool Intrinsifier::GrowableArray_getLength(Assembler* assembler) {
-  __ lw(V0, Address(SP, 0 * kWordSize));
-  __ Ret();
-  __ delay_slot()->lw(V0,
-      FieldAddress(V0, GrowableObjectArray::length_offset()));
-  return true;
-}
-
-
 bool Intrinsifier::GrowableArray_getCapacity(Assembler* assembler) {
   __ lw(V0, Address(SP, 0 * kWordSize));
   __ lw(V0, FieldAddress(V0, GrowableObjectArray::data_offset()));
   __ Ret();
   __ delay_slot()->lw(V0, FieldAddress(V0, Array::length_offset()));
   return true;
 }
 
 
 bool Intrinsifier::GrowableArray_getIndexed(Assembler* assembler) {
@@ skipping 207 matching lines @@
   __ BranchUnsignedGreaterEqual(T2, T1, &done);                                \
   __ sw(ZR, Address(T2, 0));                                                   \
   __ b(&init_loop);                                                            \
   __ delay_slot()->addiu(T2, T2, Immediate(kWordSize));                        \
   __ Bind(&done);                                                              \
                                                                                \
   __ Ret();                                                                    \
   __ Bind(&fall_through);                                                      \
 
 
-// Gets the length of a TypedData.
-bool Intrinsifier::TypedData_getLength(Assembler* assembler) {
-  __ lw(T0, Address(SP, 0 * kWordSize));
-  __ Ret();
-  __ delay_slot()->lw(V0, FieldAddress(T0, TypedData::length_offset()));
-  return true;
-}
-
-
 static int GetScaleFactor(intptr_t size) {
   switch (size) {
     case 1: return 0;
     case 2: return 1;
     case 4: return 2;
     case 8: return 3;
     case 16: return 4;
   }
   UNREACHABLE();
   return -1;
@@ skipping 911 matching lines @@
   Label fall_through;
   __ lw(T0, Address(SP, 0 * kWordSize));
   __ lw(V0, FieldAddress(T0, String::hash_offset()));
   __ beq(V0, ZR, &fall_through);
   __ Ret();
   __ Bind(&fall_through);  // Hash not yet computed.
   return false;
 }
 
 
-bool Intrinsifier::String_getLength(Assembler* assembler) {
-  __ lw(T0, Address(SP, 0 * kWordSize));
-  __ Ret();
-  __ delay_slot()->lw(V0, FieldAddress(T0, String::length_offset()));
-  return true;
-}
-
-
 bool Intrinsifier::String_codeUnitAt(Assembler* assembler) {
   Label fall_through, try_two_byte_string;
 
   __ lw(T1, Address(SP, 0 * kWordSize));  // Index.
   __ lw(T0, Address(SP, 1 * kWordSize));  // String.
 
   // Checks.
   __ andi(CMPRES, T1, Immediate(kSmiTagMask));
   __ bne(T1, ZR, &fall_through);  // Index is not a Smi.
   __ lw(T2, FieldAddress(T0, String::length_offset()));  // Range check.
@@ skipping 256 matching lines @@
   __ Bind(&ok);
   __ Ret();
 
   __ Bind(&fall_through);
   return false;
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_MIPS