OpenJDK / valhalla / valhalla
changeset 30189:0dce8215957a
8075263: MHI::checkCustomized isn't eliminated for inlined MethodHandles
Reviewed-by: jrose, kvn
| author | vlivanov |
|---|---|
| date | Fri, 20 Mar 2015 11:41:34 -0700 |
| parents | 40397cc74488 |
| children | a57955ac2bc1 |
| files | hotspot/src/share/vm/classfile/vmSymbols.hpp hotspot/src/share/vm/opto/library_call.cpp |
| diffstat | 2 files changed, 15 insertions(+), 3 deletions(-) [+] |
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--- a/hotspot/src/share/vm/classfile/vmSymbols.hpp Fri Mar 20 11:41:34 2015 -0700 +++ b/hotspot/src/share/vm/classfile/vmSymbols.hpp Fri Mar 20 11:41:34 2015 -0700 @@ -868,9 +868,12 @@ \ /* Custom branch frequencies profiling support for JSR292 */ \ do_class(java_lang_invoke_MethodHandleImpl, "java/lang/invoke/MethodHandleImpl") \ - do_intrinsic(_profileBoolean, java_lang_invoke_MethodHandleImpl, profileBoolean_name, profileBoolean_signature, F_S) \ - do_name( profileBoolean_name, "profileBoolean") \ - do_signature(profileBoolean_signature, "(Z[I)Z") \ + do_intrinsic(_profileBoolean, java_lang_invoke_MethodHandleImpl, profileBoolean_name, profileBoolean_signature, F_S) \ + do_name( profileBoolean_name, "profileBoolean") \ + do_signature(profileBoolean_signature, "(Z[I)Z") \ + do_intrinsic(_isCompileConstant, java_lang_invoke_MethodHandleImpl, isCompileConstant_name, isCompileConstant_signature, F_S) \ + do_name( isCompileConstant_name, "isCompileConstant") \ + do_alias( isCompileConstant_signature, object_boolean_signature) \ \ /* unsafe memory references (there are a lot of them...) */ \ do_signature(getObject_signature, "(Ljava/lang/Object;J)Ljava/lang/Object;") \
--- a/hotspot/src/share/vm/opto/library_call.cpp Fri Mar 20 11:41:34 2015 -0700 +++ b/hotspot/src/share/vm/opto/library_call.cpp Fri Mar 20 11:41:34 2015 -0700 @@ -290,6 +290,7 @@ bool inline_multiplyToLen(); bool inline_profileBoolean(); + bool inline_isCompileConstant(); }; @@ -900,6 +901,8 @@ case vmIntrinsics::_profileBoolean: return inline_profileBoolean(); + case vmIntrinsics::_isCompileConstant: + return inline_isCompileConstant(); default: // If you get here, it may be that someone has added a new intrinsic @@ -5888,3 +5891,9 @@ return false; } } + +bool LibraryCallKit::inline_isCompileConstant() { + Node* n = argument(0); + set_result(n->is_Con() ? intcon(1) : intcon(0)); + return true; +}