Split IdenticalWithNumberCheck in two versions: once called from unoptimized code the other called…

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 "lib/error.h"
@@ skipping 1381 matching lines @@
                                                     const Object& obj,
                                                     bool needs_number_check,
                                                     intptr_t token_pos) {
   __ TraceSimMsg("EqualityRegConstCompare");
   if (needs_number_check &&
       (obj.IsMint() || obj.IsDouble() || obj.IsBigint())) {
     __ addiu(SP, SP, Immediate(-2 * kWordSize));
     __ sw(reg, Address(SP, 1 * kWordSize));
     __ LoadObject(TMP1, obj);
     __ sw(TMP1, Address(SP, 0 * kWordSize));
-    __ BranchLink(&StubCode::IdenticalWithNumberCheckLabel());
+    if (is_optimizing()) {
+      __ BranchLink(&StubCode::OptimizedIdenticalWithNumberCheckLabel());
+    } else {
+      __ BranchLink(&StubCode::UnoptimizedIdenticalWithNumberCheckLabel());
+    }
     AddCurrentDescriptor(PcDescriptors::kRuntimeCall,
                          Isolate::kNoDeoptId,
                          token_pos);
     __ TraceSimMsg("EqualityRegConstCompare return");
     __ lw(reg, Address(SP, 1 * kWordSize));  // Restore 'reg'.
     __ addiu(SP, SP, Immediate(2 * kWordSize));  // Discard constant.
     return;
   }
   __ CompareObject(CMPRES, TMP1, reg, obj);
 }
 
 
 void FlowGraphCompiler::EmitEqualityRegRegCompare(Register left,
                                                   Register right,
                                                   bool needs_number_check,
                                                   intptr_t token_pos) {
   __ TraceSimMsg("EqualityRegRegCompare");
   __ Comment("EqualityRegRegCompare");
   if (needs_number_check) {
     __ addiu(SP, SP, Immediate(-2 * kWordSize));
     __ sw(left, Address(SP, 1 * kWordSize));
     __ sw(right, Address(SP, 0 * kWordSize));
-    __ BranchLink(&StubCode::IdenticalWithNumberCheckLabel());
+    if (is_optimizing()) {
+      __ BranchLink(&StubCode::OptimizedIdenticalWithNumberCheckLabel());
+    } else {
+      __ BranchLink(&StubCode::UnoptimizedIdenticalWithNumberCheckLabel());
+    }
     AddCurrentDescriptor(PcDescriptors::kRuntimeCall,
                          Isolate::kNoDeoptId,
                          token_pos);
     __ TraceSimMsg("EqualityRegRegCompare return");
     // Stub returns result in CMPRES. If it is 0, then left and right are equal.
     __ lw(right, Address(SP, 0 * kWordSize));
     __ lw(left, Address(SP, 1 * kWordSize));
     __ addiu(SP, SP, Immediate(2 * kWordSize));
   } else {
     __ slt(CMPRES, left, right);
@@ skipping 468 matching lines @@
   __ AddImmediate(SP, kDoubleSize);
 }
 
 
 #undef __
 
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_MIPS