Mercurial > hg > graal-compiler
diff src/share/vm/oops/methodData.cpp @ 8860:46f6f063b272
7153771: array bound check elimination for c1
Summary: when possible optimize out array bound checks, inserting predicates when needed.
Reviewed-by: never, kvn, twisti
Contributed-by: thomaswue <thomas.wuerthinger@oracle.com>
| author | roland |
|---|---|
| date | Thu, 21 Mar 2013 09:27:54 +0100 |
| parents | 3efdfd6ddbf2 |
| children | b9a918201d47 b84fd7d73702 aeaca88565e6 |
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--- a/src/share/vm/oops/methodData.cpp Wed Mar 20 17:04:45 2013 -0700 +++ b/src/share/vm/oops/methodData.cpp Thu Mar 21 09:27:54 2013 +0100 @@ -392,6 +392,9 @@ } int MethodData::bytecode_cell_count(Bytecodes::Code code) { +#if defined(COMPILER1) && !defined(COMPILER2) + return no_profile_data; +#else switch (code) { case Bytecodes::_checkcast: case Bytecodes::_instanceof: @@ -438,6 +441,7 @@ return variable_cell_count; } return no_profile_data; +#endif } // Compute the size of the profiling information corresponding to @@ -509,6 +513,9 @@ // the segment in bytes. int MethodData::initialize_data(BytecodeStream* stream, int data_index) { +#if defined(COMPILER1) && !defined(COMPILER2) + return 0; +#else int cell_count = -1; int tag = DataLayout::no_tag; DataLayout* data_layout = data_layout_at(data_index); @@ -587,6 +594,7 @@ assert(!bytecode_has_profile(c), "agree w/ !BHP"); return 0; } +#endif } // Get the data at an arbitrary (sort of) data index.