DBC: Misc double instructions

runtime/tests/vm/dart/double_to_smi_test.dart

Index: runtime/tests/vm/dart/double_to_smi_test.dart
diff --git a/runtime/tests/vm/dart/double_materialize_test.dart b/runtime/tests/vm/dart/double_to_smi_test.dart
similarity index 58%
copy from runtime/tests/vm/dart/double_materialize_test.dart
copy to runtime/tests/vm/dart/double_to_smi_test.dart
index 2cab01ca6be4925b8852ceff2b78fe231f1f502c..9f21d5ce734115fd8d39460025087481225a8f47 100644
--- a/runtime/tests/vm/dart/double_materialize_test.dart
+++ b/runtime/tests/vm/dart/double_to_smi_test.dart
@@ -6,18 +6,16 @@
 
 import "package:expect/expect.dart";
 
-double f(double x, double five, dynamic y) {
-  double z = x + five;
-  var a = y + 5;
-  return z + a.toDouble();
+int convert(double d) {
+  return d.toInt();
 }
 
-void main() {
-  double x = 1.0;
-  for (int i = 0; i < 1000; i++) {
-    x = f(x, 5.0, i);
+main() {
+  double x = -100.0;
+  int count = 0;
+  while (x < 100.0) {
+    count = count + convert(x);
+    x = x + 0.5;
   }
-  x = f(x, 5.0, 1.0);
-  Expect.equals(509512.0, x);
+  Expect.equals(-100, count);

[Florian Schneider, 2016/07/20 16:22:02]

Maybe also add a case where you pass a smi, or other non-double to convert to
test deoptimization.

[zra, 2016/07/20 16:46:23]

Done.

 }
-