Add support for Baker read barriers in SystemArrayCopy intrinsics.
Benchmarks (ARM64) score variations on Nexus 5X with CPU
cores clamped at 960000 Hz (aosp_bullhead-userdebug build):
- Ritzperf - average (lower is better): -3.03% (slightly better)
- CaffeineMark - average (higher is better): +1.26% (slightly better)
- DeltaBlue (lower is better): -10.50% (better)
- Richards - average (lower is better): -3.36% (slightly better)
- SciMark2 - average (higher is better): +0.26% (virtually unchanged)
Details about Ritzperf benchmarks with meaningful variations
(lower is better):
- FormulaEvaluationActions.EvaluateAndApplyChanges: -13.26% (better)
- FormulaEvaluationActions.EvaluateCascadingSums: -10.94% (better)
- FormulaEvaluationActions.EvaluateComplexFormulas: -15.50% (better)
- FormulaEvaluationActions.EvaluateFibonacci: -10.41% (better)
- FormulaEvaluationActions.EvaluateLargeSums: +6.02% (worse)
Boot image code size variation on Nexus 5X
(aosp_bullhead-userdebug build):
- total ARM64 framework Oat files size change:
107047632 bytes -> 107154128 bytes (+0.10%)
- total ARM framework Oat files size change:
90932028 bytes -> 91009852 bytes (+0.09%)
Test: ART host and target (ARM, ARM64) tests + Nexus 5X boot.
Bug: 29516905
Bug: 29506760
Bug: 12687968
Change-Id: I85431368d09965687a0301ae2eb3c991f276ce5d
diff --git a/test/Android.run-test.mk b/test/Android.run-test.mk
index b87e142..ead8030 100644
--- a/test/Android.run-test.mk
+++ b/test/Android.run-test.mk
@@ -557,12 +557,9 @@
# more parallel moves on x86, thus some Checker assertions may fail.
# 527: On ARM64 and ARM, the read barrier instrumentation does not support the HIntermediateAddress
# instruction yet (b/26601270).
-# 537: Expects an array copy to be intrinsified on x86-64, but calling-on-slowpath intrinsics are
-# not yet handled in the read barrier configuration.
TEST_ART_BROKEN_OPTIMIZING_READ_BARRIER_RUN_TESTS := \
484-checker-register-hints \
- 527-checker-array-access-split \
- 537-checker-arraycopy
+ 527-checker-array-access-split
# Tests that should fail in the read barrier configuration with JIT (Optimizing compiler).
TEST_ART_BROKEN_JIT_READ_BARRIER_RUN_TESTS :=