VM: Use delay slot in two places in MIPS intrinis code.

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 1341 matching lines @@
   __ LoadObject(V0, Bool::False());
   __ Ret();
   __ Bind(&is_true);
   __ LoadObject(V0, Bool::True());
   __ Ret();
 
 
   __ Bind(&is_smi);
   __ SmiUntag(T0);
   __ mtc1(T0, STMP1);
-  __ cvtdw(D1, STMP1);
   __ b(&double_op);
+  __ delay_slot()->cvtdw(D1, STMP1);
+
 
   __ Bind(&fall_through);
 }
 
 
 void Intrinsifier::Double_greaterThan(Assembler* assembler) {
   CompareDoubles(assembler, GT);
 }
 
 
@@ skipping 41 matching lines @@
       Isolate::Current()->object_store()->double_class());
   __ TryAllocate(double_class, &fall_through, V0, T1);  // Result register.
   __ swc1(F0, FieldAddress(V0, Double::value_offset()));
   __ Ret();
   __ delay_slot()->swc1(F1,
                         FieldAddress(V0, Double::value_offset() + kWordSize));
 
   __ Bind(&is_smi);
   __ SmiUntag(T0);
   __ mtc1(T0, STMP1);
-  __ cvtdw(D1, STMP1);
   __ b(&double_op);
+  __ delay_slot()->cvtdw(D1, STMP1);
 
   __ Bind(&fall_through);
 }
 
 
 void Intrinsifier::Double_add(Assembler* assembler) {
   DoubleArithmeticOperations(assembler, Token::kADD);
 }
 
 
@@ skipping 805 matching lines @@
 
 void Intrinsifier::Profiler_getCurrentTag(Assembler* assembler) {
   __ LoadIsolate(V0);
   __ Ret();
   __ delay_slot()->lw(V0, Address(V0, Isolate::current_tag_offset()));
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_MIPS