Remove inlining restriction of calls to the == operator.

runtime/vm/flow_graph_compiler_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/flow_graph_compiler.h"
 
 #include "vm/ast_printer.h"
@@ skipping 1499 matching lines @@
     __ lw(right, Address(SP, 0 * kWordSize));
     __ lw(left, Address(SP, 1 * kWordSize));
     __ addiu(SP, SP, Immediate(2 * kWordSize));
   } else {
     __ slt(CMPRES1, left, right);
     __ slt(CMPRES2, right, left);
   }
 }
 
 
-// Implement equality spec: if any of the arguments is null do identity check.
-// Fallthrough calls super equality.
-void FlowGraphCompiler::EmitSuperEqualityCallPrologue(Register result,
-                                                      Label* skip_call) {
-  Label check_identity, is_false, fall_through;
-  __ TraceSimMsg("SuperEqualityCallPrologue");
-  __ lw(result, Address(SP, 0 * kWordSize));  // Load right operand.
-  __ lw(CMPRES1, Address(SP, 1 * kWordSize));  // Load left operand.
-  __ LoadImmediate(TMP, reinterpret_cast<int32_t>(Object::null()));
-  __ beq(result, TMP, &check_identity);  // Is right null?
-  __ LoadImmediate(TMP, reinterpret_cast<int32_t>(Object::null()));
-  __ bne(TMP, CMPRES1, &fall_through);  // If right is non-null, check left.
-
-  __ Bind(&check_identity);
-  __ bne(result, CMPRES1, &is_false);
-  __ LoadObject(result, Bool::True());
-  __ Drop(2);
-  __ b(skip_call);
-  __ Bind(&is_false);
-  __ LoadObject(result, Bool::False());
-  __ Drop(2);
-  __ b(skip_call);
-  __ Bind(&fall_through);
-}
-
-
 void FlowGraphCompiler::SaveLiveRegisters(LocationSummary* locs) {
   __ TraceSimMsg("SaveLiveRegisters");
   // TODO(vegorov): consider saving only caller save (volatile) registers.
   const intptr_t fpu_regs_count= locs->live_registers()->fpu_regs_count();
   if (fpu_regs_count > 0) {
     __ AddImmediate(SP, -(fpu_regs_count * kFpuRegisterSize));
     // Store fpu registers with the lowest register number at the lowest
     // address.
     intptr_t offset = 0;
     for (intptr_t reg_idx = 0; reg_idx < kNumberOfFpuRegisters; ++reg_idx) {
@@ skipping 441 matching lines @@
   __ AddImmediate(SP, kDoubleSize);
 }
 
 
 #undef __
 
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_MIPS