Add per array size allocation entrypoints.
- Update architectures that have fast paths for
array allocation to use it.
- Will add more fast paths in follow-up CLs.
Test: test-art-target test-art-host.
Change-Id: I138cccd16464a85de22a8ed31c915f876e78fb04
diff --git a/compiler/optimizing/code_generator.cc b/compiler/optimizing/code_generator.cc
index 99427f0..d68aa51 100644
--- a/compiler/optimizing/code_generator.cc
+++ b/compiler/optimizing/code_generator.cc
@@ -1417,4 +1417,22 @@
EmitJitRootPatches(code, roots_data);
}
+QuickEntrypointEnum CodeGenerator::GetArrayAllocationEntrypoint(Handle<mirror::Class> array_klass) {
+ ScopedObjectAccess soa(Thread::Current());
+ if (array_klass.Get() == nullptr) {
+ // This can only happen for non-primitive arrays, as primitive arrays can always
+ // be resolved.
+ return kQuickAllocArrayResolved32;
+ }
+
+ switch (array_klass->GetComponentSize()) {
+ case 1: return kQuickAllocArrayResolved8;
+ case 2: return kQuickAllocArrayResolved16;
+ case 4: return kQuickAllocArrayResolved32;
+ case 8: return kQuickAllocArrayResolved64;
+ }
+ LOG(FATAL) << "Unreachable";
+ return kQuickAllocArrayResolved;
+}
+
} // namespace art