The real fix of float32.

runtime/vm/intrinsifier_x64.cc

Index: runtime/vm/intrinsifier_x64.cc
===================================================================
--- runtime/vm/intrinsifier_x64.cc	(revision 13044)
+++ runtime/vm/intrinsifier_x64.cc	(working copy)
@@ -517,38 +517,39 @@
   return false;
 }
 
-bool Intrinsifier::Float32Array_getIndexed(Assembler* assembler) {
-  Label fall_through;
-  TestByteArrayIndex(assembler, &fall_through);
-  // After TestByteArrayIndex:
-  // * RAX has the base address of the byte array.
-  // * RBX has the index into the array.
-  // RBX contains the SMI index which is shifted left by 1.
-  // This shift means we only multiply the index by 2 not 4 (sizeof float).
-  // Load single precision float into XMM7.
-  __ movss(XMM7, FieldAddress(RAX, RBX, TIMES_2,
-                              Float32Array::data_offset()));
-  // Convert into a double precision float.
-  __ cvtss2sd(XMM7, XMM7);
-  // Allocate a double instance.
-  const Class& double_class = Class::Handle(
-                          Isolate::Current()->object_store()->double_class());
-  AssemblerMacros::TryAllocate(assembler,
-                               double_class,
-                               &fall_through,
-                               Assembler::kNearJump, RAX);
-  // Store XMM7 into double instance.
-  __ movsd(FieldAddress(RAX, Double::value_offset()), XMM7);
-  __ ret();
-  __ Bind(&fall_through);
-  return false;
-}
-
-bool Intrinsifier::Float32Array_setIndexed(Assembler* assembler) {
-    return false;
+bool Intrinsifier::Float32Array_getIndexed(Assembler* assembler) {
+  // Temporary fix until cvtss2sd implemented.
+  /*Label fall_through;
+  TestByteArrayIndex(assembler, &fall_through);
+  // After TestByteArrayIndex:
+  // * RAX has the base address of the byte array.
+  // * RBX has the index into the array.
+  // RBX contains the SMI index which is shifted left by 1.
+  // This shift means we only multiply the index by 2 not 4 (sizeof float).
+  // Load single precision float into XMM7.
+  __ movss(XMM7, FieldAddress(RAX, RBX, TIMES_2,
+                              Float32Array::data_offset()));
+  // Convert into a double precision float.
+  __ cvtss2sd(XMM7, XMM7);
+  // Allocate a double instance.
+  const Class& double_class = Class::Handle(
+                          Isolate::Current()->object_store()->double_class());
+  AssemblerMacros::TryAllocate(assembler,
+                               double_class,
+                               &fall_through,
+                               Assembler::kNearJump, RAX);
+  // Store XMM7 into double instance.
+  __ movsd(FieldAddress(RAX, Double::value_offset()), XMM7);
+  __ ret();
+  __ Bind(&fall_through); */
+  return false;
 }
 
+bool Intrinsifier::Float32Array_setIndexed(Assembler* assembler) {
+    return false;
+}
 
+
 // Tests if two top most arguments are smis, jumps to label not_smi if not.
 // Topmost argument is in RAX.
 static void TestBothArgumentsSmis(Assembler* assembler, Label* not_smi) {