Inline Math.sqrt in new compilers.

runtime/vm/intermediate_language_x64.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/globals.h"  // Needed here to get TARGET_ARCH_X64.
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/intermediate_language.h"
 
 #include "lib/error.h"
@@ skipping 1443 matching lines @@
 }
 
 
 static void EmitDoubleBinaryOp(FlowGraphCompiler* compiler,
                                BinaryOpComp* comp) {
   Register left = comp->locs()->in(0).reg();
   Register right = comp->locs()->in(1).reg();
   Register temp = comp->locs()->temp(0).reg();
   Register result = comp->locs()->out().reg();
 
-  const Class& double_class =
-      Class::ZoneHandle(Isolate::Current()->object_store()->double_class());
+  const Class& double_class = compiler->double_class();
   const Code& stub =
     Code::Handle(StubCode::GetAllocationStubForClass(double_class));
   const ExternalLabel label(double_class.ToCString(), stub.EntryPoint());
   __ pushq(left);
   __ pushq(right);
   compiler->GenerateCall(comp->instance_call()->token_index(),
                          comp->instance_call()->try_index(),
                          &label,
                          PcDescriptors::kOther);
   // Newly allocated object is now in the result register (RAX).
@@ skipping 118 matching lines @@
                                         instance_call()->try_index(),
                                         kDeoptSmiBinaryOp,
                                         value);
   if (test_class.id() == kDouble) {
     Register temp = locs()->temp(0).reg();
     __ testq(value, Immediate(kSmiTagMask));
     __ j(ZERO, deopt);  // Smi.
     __ CompareClassId(value, kDouble);
     __ j(NOT_EQUAL, deopt);
     // Allocate result object.
-    const Class& double_class =
-      Class::ZoneHandle(Isolate::Current()->object_store()->double_class());
+    const Class& double_class = compiler->double_class();
     const Code& stub =
         Code::Handle(StubCode::GetAllocationStubForClass(double_class));
     const ExternalLabel label(double_class.ToCString(), stub.EntryPoint());
     __ pushq(value);
     compiler->GenerateCall(instance_call()->token_index(),
                            instance_call()->try_index(),
                            &label,
                            PcDescriptors::kOther);
     // Result is in RAX.
     ASSERT(result != temp);
@@ skipping 39 matching lines @@
     __ testq(value, Immediate(kSmiTagMask));
     __ j(ZERO, deopt);  // Deoptimize if Smi.
     __ CompareClassId(value, kDouble);
     __ j(NOT_EQUAL, deopt);  // Deoptimize if not Double.
     ASSERT(value == result);
     return;
   }
 
   ASSERT(from() == kSmi);
 
-  // TODO(vegorov): allocate a single ZoneHandle in FlowGraphCompiler for
-  // double class.
-  const Class& double_class =
-    Class::ZoneHandle(Isolate::Current()->object_store()->double_class());
-
+  const Class& double_class = compiler->double_class();
   const Code& stub =
     Code::Handle(StubCode::GetAllocationStubForClass(double_class));
-
   const ExternalLabel label(double_class.ToCString(), stub.EntryPoint());
 
   // TODO(vegorov): allocate box in the driver loop to avoid pushing and poping.
   __ pushq(value);
   compiler->GenerateCall(instance_call()->token_index(),
                          instance_call()->try_index(),
                          &label,
                          PcDescriptors::kOther);
   ASSERT(result == RAX);
   __ popq(value);
@@ skipping 52 matching lines @@
                                  instance_call()->argument_names());
   }
   __ Bind(&done);
 }
 
 }  // namespace dart
 
 #undef __
 
 #endif  // defined TARGET_ARCH_X64