Implement type recording for ToBoolean on x64.

src/ia32/macro-assembler-ia32.cc

Index: src/ia32/macro-assembler-ia32.cc
===================================================================
--- src/ia32/macro-assembler-ia32.cc	(revision 8763)
+++ src/ia32/macro-assembler-ia32.cc	(working copy)
@@ -263,6 +263,14 @@
 }
 
 
+void MacroAssembler::CompareRoot(Register with, Heap::RootListIndex index) {
+  // see ROOT_ACCESSOR macro in factory.h
+  Handle<Object> value(BitCast<Object**>(

[Kevin Millikin (Chromium), 2011/08/01 13:02:05]

I don't think we need the BitCast here, the roots array elements are Object*.

[Sven Panne, 2011/08/01 13:13:25]

Good point, I should have looked more closely at the actual code when using the
time-proven technique of copy-n-paste... :-P

+      &isolate()->heap()->roots_address()[index]));
+  cmp(with, value);
+}
+
+
 void MacroAssembler::CmpObjectType(Register heap_object,
                                    InstanceType type,
                                    Register map) {