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Unified Diff: runtime/vm/intermediate_language_x64.cc

Issue 106623006: Fix bug in double unboxing. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: fixed mips code Created 7 years ago
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Index: runtime/vm/intermediate_language_x64.cc
===================================================================
--- runtime/vm/intermediate_language_x64.cc (revision 31220)
+++ runtime/vm/intermediate_language_x64.cc (working copy)
@@ -1585,6 +1585,9 @@
__ cmpq(FieldAddress(temp, Field::is_nullable_offset()),
Immediate(kNullCid));
__ j(EQUAL, &store_pointer);
+ __ movzxb(temp2, FieldAddress(temp, Field::kind_bits_offset()));
+ __ testq(temp2, Immediate(1 << Field::kUnboxingCandidateBit));
+ __ j(ZERO, &store_pointer);
__ movq(temp, FieldAddress(instance_reg, field().Offset()));
__ CompareObject(temp, Object::null_object(), PP);
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