ArraySet without type check does not need read barrier.
Test: Run ART test suite with ART_USE_READ_BARRIER=true on host and Nexus 9.
Bug: 12687968
Change-Id: Ie04a34b2149f4fc6fe995f3e43e76986a3f6330f
diff --git a/compiler/optimizing/code_generator_x86_64.cc b/compiler/optimizing/code_generator_x86_64.cc
index ec37e5d..cb227a1 100644
--- a/compiler/optimizing/code_generator_x86_64.cc
+++ b/compiler/optimizing/code_generator_x86_64.cc
@@ -4741,12 +4741,10 @@
bool needs_write_barrier =
CodeGenerator::StoreNeedsWriteBarrier(value_type, instruction->GetValue());
bool may_need_runtime_call_for_type_check = instruction->NeedsTypeCheck();
- bool object_array_set_with_read_barrier =
- kEmitCompilerReadBarrier && (value_type == Primitive::kPrimNot);
LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(
instruction,
- (may_need_runtime_call_for_type_check || object_array_set_with_read_barrier) ?
+ may_need_runtime_call_for_type_check ?
LocationSummary::kCallOnSlowPath :
LocationSummary::kNoCall);