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8056071: compiler/whitebox/IsMethodCompilableTest.java fails with 'method() is not compilable after 3 iterations'

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Always use MDO if valid and always compile trivial methods with C1 if available.

Reviewed-by: kvn, iveresov
This commit is contained in:
Tobias Hartmann 2014-11-11 11:05:41 +01:00
parent bdac822811
commit 00aa20db4a
8 changed files with 33 additions and 14 deletions
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9
hotspot/src/share/vm/oops/method.cpp
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@ -588,6 +588,15 @@ bool Method::is_accessor() const {
return true;
}
bool Method::is_constant_getter() const {
int last_index = code_size() - 1;
// Check if the first 1-3 bytecodes are a constant push
// and the last bytecode is a return.
return (2 <= code_size() && code_size() <= 4 &&
Bytecodes::is_const(java_code_at(0)) &&
Bytecodes::length_for(java_code_at(0)) == last_index &&
Bytecodes::is_return(java_code_at(last_index)));
}
bool Method::is_initializer() const {
return name() == vmSymbols::object_initializer_name() || is_static_initializer();