Inline toDouble calls on mints

runtime/vm/assembler_ia32_test.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"
 #if defined(TARGET_ARCH_IA32)
 
 #include "vm/assembler.h"
 #include "vm/cpu.h"
 #include "vm/os.h"
@@ skipping 2030 matching lines @@
 }
 
 
 ASSEMBLER_TEST_RUN(IntToDoubleConversion2, test) {
   typedef double (*IntToDoubleConversion2Code)(int i);
   double res = reinterpret_cast<IntToDoubleConversion2Code>(test->entry())(3);
   EXPECT_FLOAT_EQ(3.0, res, 0.001);
 }
 
 
+ASSEMBLER_TEST_GENERATE(Int64ToDoubleConversion, assembler) {
+  __ movl(EAX, Immediate(0));
+  __ movl(EDX, Immediate(6));
+  __ pushl(EAX);
+  __ pushl(EDX);
+  __ fildl(Address(ESP, 0));
+  __ popl(EAX);
+  __ popl(EAX);
+  __ ret();
+}
+
+
+ASSEMBLER_TEST_RUN(Int64ToDoubleConversion, test) {
+  typedef double (*Int64ToDoubleConversionCode)();
+  double res = reinterpret_cast<Int64ToDoubleConversionCode>(test->entry())();
+  EXPECT_EQ(6.0, res);
+}
+
+
+ASSEMBLER_TEST_GENERATE(NegativeInt64ToDoubleConversion, assembler) {
+  __ movl(EAX, Immediate(0xFFFFFFFF));
+  __ movl(EDX, Immediate(0xFFFFFFFA));
+  __ pushl(EAX);
+  __ pushl(EDX);
+  __ fildl(Address(ESP, 0));
+  __ popl(EAX);
+  __ popl(EAX);
+  __ ret();
+}
+
+
+ASSEMBLER_TEST_RUN(NegativeInt64ToDoubleConversion, test) {
+  typedef double (*NegativeInt64ToDoubleConversionCode)();
+  double res =
+      reinterpret_cast<NegativeInt64ToDoubleConversionCode>(test->entry())();
+  EXPECT_EQ(-6.0, res);
+}
+
+
 ASSEMBLER_TEST_GENERATE(IntToFloatConversion, assembler) {
   __ movl(EDX, Immediate(6));
   __ cvtsi2ss(XMM1, EDX);
   __ pushl(EAX);
   __ movss(Address(ESP, 0), XMM1);
   __ flds(Address(ESP, 0));
   __ popl(EAX);
   __ ret();
 }
 
@@ skipping 1280 matching lines @@
 
 ASSEMBLER_TEST_RUN(BitTest, test) {
   typedef int (*BitTest)();
   EXPECT_EQ(1, reinterpret_cast<BitTest>(test->entry())());
 }
 
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32