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Unified Diff: src/ia32/lithium-ia32.h

Issue 6708085: Enable GVN for polymorphic loads by not expanding them at the HIR level. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 9 years, 9 months ago
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Index: src/ia32/lithium-ia32.h
===================================================================
--- src/ia32/lithium-ia32.h (revision 7299)
+++ src/ia32/lithium-ia32.h (working copy)
@@ -125,6 +125,7 @@
V(LoadKeyedFastElement) \
V(LoadKeyedGeneric) \
V(LoadNamedField) \
+ V(LoadNamedFieldPolymorphic) \
V(LoadNamedGeneric) \
V(LoadPixelArrayElement) \
V(ModI) \
@@ -1171,9 +1172,24 @@
DECLARE_CONCRETE_INSTRUCTION(LoadNamedField, "load-named-field")
DECLARE_HYDROGEN_ACCESSOR(LoadNamedField)
+
+ LOperand* object() { return inputs_[0]; }
};
+class LLoadNamedFieldPolymorphic: public LTemplateInstruction<1, 1, 0> {
+ public:
+ explicit LLoadNamedFieldPolymorphic(LOperand* object) {
+ inputs_[0] = object;
+ }
+
+ DECLARE_CONCRETE_INSTRUCTION(LoadNamedField, "load-named-field-polymorphic")
+ DECLARE_HYDROGEN_ACCESSOR(LoadNamedFieldPolymorphic)
+
+ LOperand* object() { return inputs_[0]; }
+};
+
+
class LLoadNamedGeneric: public LTemplateInstruction<1, 2, 0> {
public:
LLoadNamedGeneric(LOperand* context, LOperand* object) {

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