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6893268: additional dynamic language related optimizations in C2

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C2 needs some additional optimizations to be able to handle MethodHandle invokes and invokedynamic instructions at the best performance.

Reviewed-by: kvn, never
This commit is contained in:
Christian Thalinger 2010-01-05 15:21:25 +01:00
parent 375527d84e
commit 47f2433a58
52 changed files with 1781 additions and 342 deletions
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6
hotspot/src/share/vm/classfile/classFileParser.cpp
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@ -643,7 +643,7 @@ void ClassFileParser::verify_constantvalue(int constantvalue_index, int signatur
guarantee_property(value_type.is_int(), "Inconsistent constant value type in class file %s", CHECK);
break;
case T_OBJECT:
guarantee_property((cp->symbol_at(signature_index)->equals("Ljava/lang/String;", 18)
guarantee_property((cp->symbol_at(signature_index)->equals("Ljava/lang/String;")
&& (value_type.is_string() || value_type.is_unresolved_string())),
"Bad string initial value in class file %s", CHECK);
break;
@ -1718,9 +1718,7 @@ methodHandle ClassFileParser::parse_method(constantPoolHandle cp, bool is_interf
m->set_exception_table(exception_handlers());
// Copy byte codes
if (code_length > 0) {
memcpy(m->code_base(), code_start, code_length);
}
m->set_code(code_start);
// Copy line number table
if (linenumber_table != NULL) {