Direct calls to @CriticalNative methods.
Emit direct calls from compiled managed code to the native
code registered with the method, avoiding the JNI stub.
Golem results:
art-opt-cc x86 x86-64 arm arm64
NativeDowncallStaticCritical +12.5% +62.5% +75.9% +41.7%
NativeDowncallStaticCritical6 +55.6% +87.5% +72.1% +35.3%
art-opt x86 x86-64 arm arm64
NativeDowncallStaticCritical +28.6% +85.6% +76.4% +38.4%
NativeDowncallStaticCritical6 +44.6% +44.6% +74.6% +32.2%
Test: Covered by 178-app-image-native-method.
Test: m test-art-host-gtest
Test: testrunner.py --host --debuggable --ndebuggable \
--optimizing --jit --jit-on-first-use
Test: run-gtests.sh
Test: testrunner.py --target --optimizing
Test: testrunner.py --target --debuggable --ndebuggable \
--optimizing --jit --jit-on-first-use -t 178
Test: aosp_cf_x86_phone-userdebug boots.
Test: aosp_cf_x86_phone-userdebug/jitzygote boots.
Bug: 112189621
Change-Id: I8b37da51e8fe0b7bc513bb81b127fe0416068866
diff --git a/tools/cpp-define-generator/globals.def b/tools/cpp-define-generator/globals.def
index 6c9b2b0..6706fed 100644
--- a/tools/cpp-define-generator/globals.def
+++ b/tools/cpp-define-generator/globals.def
@@ -30,6 +30,10 @@
#include "stack.h"
#endif
+ASM_DEFINE(ACCESS_FLAGS_METHOD_IS_NATIVE,
+ art::kAccNative)
+ASM_DEFINE(ACCESS_FLAGS_METHOD_IS_NATIVE_BIT,
+ art::MostSignificantBit(art::kAccNative))
ASM_DEFINE(ACCESS_FLAGS_METHOD_IS_FAST_NATIVE,
art::kAccFastNative)
ASM_DEFINE(ACCESS_FLAGS_METHOD_IS_CRITICAL_NATIVE,