Mercurial > hg > truffle
comparison src/share/vm/ci/ciMethod.cpp @ 3897:de847cac9235
7078382: JSR 292: don't count method handle adapters against inlining budgets
Reviewed-by: kvn, never
| author | twisti |
|---|---|
| date | Wed, 31 Aug 2011 01:40:45 -0700 |
| parents | 2c359f27615c |
| children | 5eb9169b1a14 |
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| 3896:b346f13112d8 | 3897:de847cac9235 |
|---|---|
| 1015 VM_ENTRY_MARK; | 1015 VM_ENTRY_MARK; |
| 1016 return get_methodOop()->highest_osr_comp_level(); | 1016 return get_methodOop()->highest_osr_comp_level(); |
| 1017 } | 1017 } |
| 1018 | 1018 |
| 1019 // ------------------------------------------------------------------ | 1019 // ------------------------------------------------------------------ |
| 1020 // ciMethod::code_size_for_inlining | |
| 1021 // | |
| 1022 // Code size for inlining decisions. | |
| 1023 // | |
| 1024 // Don't fully count method handle adapters against inlining budgets: | |
| 1025 // the metric we use here is the number of call sites in the adapter | |
| 1026 // as they are probably the instructions which generate some code. | |
| 1027 int ciMethod::code_size_for_inlining() { | |
| 1028 check_is_loaded(); | |
| 1029 | |
| 1030 // Method handle adapters | |
| 1031 if (is_method_handle_adapter()) { | |
| 1032 // Count call sites | |
| 1033 int call_site_count = 0; | |
| 1034 ciBytecodeStream iter(this); | |
| 1035 while (iter.next() != ciBytecodeStream::EOBC()) { | |
| 1036 if (Bytecodes::is_invoke(iter.cur_bc())) { | |
| 1037 call_site_count++; | |
| 1038 } | |
| 1039 } | |
| 1040 return call_site_count; | |
| 1041 } | |
| 1042 | |
| 1043 // Normal method | |
| 1044 return code_size(); | |
| 1045 } | |
| 1046 | |
| 1047 // ------------------------------------------------------------------ | |
| 1020 // ciMethod::instructions_size | 1048 // ciMethod::instructions_size |
| 1021 // | 1049 // |
| 1022 // This is a rough metric for "fat" methods, compared before inlining | 1050 // This is a rough metric for "fat" methods, compared before inlining |
| 1023 // with InlineSmallCode. The CodeBlob::code_size accessor includes | 1051 // with InlineSmallCode. The CodeBlob::code_size accessor includes |
| 1024 // junk like exception handler, stubs, and constant table, which are | 1052 // junk like exception handler, stubs, and constant table, which are |