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| author | Nicolas Geoffray <ngeoffray@google.com> | 2021-03-10 15:09:19 +0000 |
|---|---|---|
| committer | Nicolas Geoffray <ngeoffray@google.com> | 2021-03-24 16:47:38 +0000 |
| commit | 43c9cd7938a53265ea9899a604b409ce070cc2c5 (patch) | |
| tree | db084fcc115d6a68de25662bf1a5fae030bcf152 /tools/cpp-define-generator/art_method.def | |
| parent | 443fc8962db219177c34cd047d2071b5ee775468 (diff) | |
Improve nterp -> compiled code transitions.
Use an unused bit in the access flags of an ArtMethod (0x00200000) to store
the information a method only takes ints or references and returns an
int, a reference, or a long. This avoids the need to fetch the shorty in nterp
when doing a call.
Test: test.py
Test: 821-many-args
Bug: 112676029
Change-Id: Ie657ccf69c17c1097dc2a97f18e3093ef3be391b
Diffstat (limited to 'tools/cpp-define-generator/art_method.def')
| -rw-r--r-- | tools/cpp-define-generator/art_method.def | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/tools/cpp-define-generator/art_method.def b/tools/cpp-define-generator/art_method.def index 5e09565df1..a73bbedc8a 100644 --- a/tools/cpp-define-generator/art_method.def +++ b/tools/cpp-define-generator/art_method.def @@ -23,14 +23,18 @@ ASM_DEFINE(ART_METHOD_ACCESS_FLAGS_OFFSET, art::ArtMethod::AccessFlagsOffset().Int32Value()) ASM_DEFINE(ART_METHOD_IS_STATIC_FLAG, art::kAccStatic) -ASM_DEFINE(ART_METHOD_NTERP_ENTRY_POINT_FAST_PATH_FLAG, - art::kAccNterpEntryPointFastPathFlag) -ASM_DEFINE(ART_METHOD_IMT_MASK, - art::ImTable::kSizeTruncToPowerOfTwo - 1) ASM_DEFINE(ART_METHOD_IS_STATIC_FLAG_BIT, art::MostSignificantBit(art::kAccStatic)) +ASM_DEFINE(ART_METHOD_NTERP_INVOKE_FAST_PATH_FLAG, + art::kAccNterpInvokeFastPathFlag) +ASM_DEFINE(ART_METHOD_NTERP_INVOKE_FAST_PATH_FLAG_BIT, + art::MostSignificantBit(art::kAccNterpInvokeFastPathFlag)) +ASM_DEFINE(ART_METHOD_NTERP_ENTRY_POINT_FAST_PATH_FLAG, + art::kAccNterpEntryPointFastPathFlag) ASM_DEFINE(ART_METHOD_NTERP_ENTRY_POINT_FAST_PATH_FLAG_BIT, art::MostSignificantBit(art::kAccNterpEntryPointFastPathFlag)) +ASM_DEFINE(ART_METHOD_IMT_MASK, + art::ImTable::kSizeTruncToPowerOfTwo - 1) ASM_DEFINE(ART_METHOD_DECLARING_CLASS_OFFSET, art::ArtMethod::DeclaringClassOffset().Int32Value()) ASM_DEFINE(ART_METHOD_JNI_OFFSET_32, |