More compact code for strict compare with 0.

runtime/vm/intermediate_language.cc

 // Copyright (c) 2012, 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/intermediate_language.h"
 
 #include "vm/bit_vector.h"
 #include "vm/dart_entry.h"
 #include "vm/flow_graph_allocator.h"
 #include "vm/flow_graph_builder.h"
@@ skipping 1569 matching lines @@
   if (left.IsConstant() && right.IsConstant()) {
     // TODO(vegorov): should be eliminated earlier by constant propagation.
     const bool result = (kind() == Token::kEQ_STRICT) ?
         left.constant().raw() == right.constant().raw() :
         left.constant().raw() != right.constant().raw();
     __ LoadObject(locs()->out().reg(), result ? compiler->bool_true() :
                                                 compiler->bool_false());
     return;
   }
   if (left.IsConstant()) {
-    __ CompareObject(right.reg(), left.constant());
+    compiler->EmitEqualityRegConstCompare(right.reg(), left.constant());
   } else if (right.IsConstant()) {
-    __ CompareObject(left.reg(), right.constant());
+    compiler->EmitEqualityRegConstCompare(left.reg(), right.constant());
   } else {
     __ CompareRegisters(left.reg(), right.reg());
   }
 
   Register result = locs()->out().reg();
   Label load_true, done;
   Condition true_condition = (kind() == Token::kEQ_STRICT) ? EQUAL : NOT_EQUAL;
   __ j(true_condition, &load_true, Assembler::kNearJump);
   __ LoadObject(result, compiler->bool_false());
   __ jmp(&done, Assembler::kNearJump);
@@ skipping 10 matching lines @@
   Location right = locs()->in(1);
   if (left.IsConstant() && right.IsConstant()) {
     // TODO(vegorov): should be eliminated earlier by constant propagation.
     const bool result = (kind() == Token::kEQ_STRICT) ?
         left.constant().raw() == right.constant().raw() :
         left.constant().raw() != right.constant().raw();
     branch->EmitBranchOnValue(compiler, result);
     return;
   }
   if (left.IsConstant()) {
-    __ CompareObject(right.reg(), left.constant());
+    compiler->EmitEqualityRegConstCompare(right.reg(), left.constant());
   } else if (right.IsConstant()) {
-    __ CompareObject(left.reg(), right.constant());
+    compiler->EmitEqualityRegConstCompare(left.reg(), right.constant());
   } else {
     __ CompareRegisters(left.reg(), right.reg());
   }
 
   Condition true_condition = (kind() == Token::kEQ_STRICT) ? EQUAL : NOT_EQUAL;
   branch->EmitBranchOnCondition(compiler, true_condition);
 }
 
 
 void ClosureCallInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
@@ skipping 400 matching lines @@
     new_max = new_max.Clamp();
   }
 
   return Range::Update(&range_, new_min, new_max);
 }
 
 
 #undef __
 
 }  // namespace dart