[Turbofan] Merge SpillRanges by byte_width rather than kind.

src/compiler/graph-visualizer.cc

Index: src/compiler/graph-visualizer.cc
diff --git a/src/compiler/graph-visualizer.cc b/src/compiler/graph-visualizer.cc
index f2368931fa21ec3283c84f9260673b8e8b64464c..a63e69404d6a40b9c5f43e3ba6016f985525a59a 100644
--- a/src/compiler/graph-visualizer.cc
+++ b/src/compiler/graph-visualizer.cc
@@ -558,9 +558,10 @@ void GraphC1Visualizer::PrintLiveRange(const LiveRange* range, const char* type,
             << "\"";
       } else {
         index = AllocatedOperand::cast(top->GetSpillOperand())->index();
-        if (top->kind() == FP_REGISTERS) {
-          os_ << " \"double_stack:" << index << "\"";
-        } else if (top->kind() == GENERAL_REGISTERS) {
+        if (IsFloatingPoint(top->representation())) {
+          os_ << " \"fp_stack:" << index << "\"";
+        } else {
+          DCHECK(!IsFloatingPoint(top->representation()));

[Mircea Trofin, 2016/06/18 23:27:56]

When would this check fail?

[bbudge, 2016/06/18 23:33:22]

Yes, that's kind of dumb. Removed.

           os_ << " \"stack:" << index << "\"";
         }
       }