Implement first kind of polymorphic inlining.
Add HClassTableGet to fetch an ArtMethod from the vtable or imt,
and compare it to the only method the profiling saw.
Change-Id: I76afd3689178f10e3be048aa3ac9a97c6f63295d
diff --git a/compiler/optimizing/code_generator_x86.cc b/compiler/optimizing/code_generator_x86.cc
index 50c4ba2..d76c669 100644
--- a/compiler/optimizing/code_generator_x86.cc
+++ b/compiler/optimizing/code_generator_x86.cc
@@ -3957,6 +3957,27 @@
void InstructionCodeGeneratorX86::VisitCurrentMethod(HCurrentMethod* instruction ATTRIBUTE_UNUSED) {
}
+void LocationsBuilderX86::VisitClassTableGet(HClassTableGet* instruction) {
+ LocationSummary* locations =
+ new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall);
+ locations->SetInAt(0, Location::RequiresRegister());
+ locations->SetOut(Location::RequiresRegister());
+}
+
+void InstructionCodeGeneratorX86::VisitClassTableGet(HClassTableGet* instruction) {
+ LocationSummary* locations = instruction->GetLocations();
+ uint32_t method_offset = 0;
+ if (instruction->GetTableKind() == HClassTableGet::kVTable) {
+ method_offset = mirror::Class::EmbeddedVTableEntryOffset(
+ instruction->GetIndex(), kX86PointerSize).SizeValue();
+ } else {
+ method_offset = mirror::Class::EmbeddedImTableEntryOffset(
+ instruction->GetIndex() % mirror::Class::kImtSize, kX86PointerSize).Uint32Value();
+ }
+ __ movl(locations->Out().AsRegister<Register>(),
+ Address(locations->InAt(0).AsRegister<Register>(), method_offset));
+}
+
void LocationsBuilderX86::VisitNot(HNot* not_) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(not_, LocationSummary::kNoCall);