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6926979: should simplify catch_inline_exception

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Reviewed-by: twisti
This commit is contained in:
Tom Rodriguez 2010-03-18 14:31:41 -07:00
parent beb119b36b
commit 67c094c4c7
4 changed files with 13 additions and 120 deletions
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64
hotspot/src/share/vm/opto/parse1.cpp
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@ -798,67 +798,6 @@ void Compile::rethrow_exceptions(JVMState* jvms) {
initial_gvn()->transform_no_reclaim(exit);
}
bool Parse::can_rerun_bytecode() {
switch (bc()) {
case Bytecodes::_ldc:
case Bytecodes::_ldc_w:
case Bytecodes::_ldc2_w:
case Bytecodes::_getfield:
case Bytecodes::_putfield:
case Bytecodes::_getstatic:
case Bytecodes::_putstatic:
case Bytecodes::_arraylength:
case Bytecodes::_baload:
case Bytecodes::_caload:
case Bytecodes::_iaload:
case Bytecodes::_saload:
case Bytecodes::_faload:
case Bytecodes::_aaload:
case Bytecodes::_laload:
case Bytecodes::_daload:
case Bytecodes::_bastore:
case Bytecodes::_castore:
case Bytecodes::_iastore:
case Bytecodes::_sastore:
case Bytecodes::_fastore:
case Bytecodes::_aastore:
case Bytecodes::_lastore:
case Bytecodes::_dastore:
case Bytecodes::_irem:
case Bytecodes::_idiv:
case Bytecodes::_lrem:
case Bytecodes::_ldiv:
case Bytecodes::_frem:
case Bytecodes::_fdiv:
case Bytecodes::_drem:
case Bytecodes::_ddiv:
case Bytecodes::_checkcast:
case Bytecodes::_instanceof:
case Bytecodes::_anewarray:
case Bytecodes::_newarray:
case Bytecodes::_multianewarray:
case Bytecodes::_new:
case Bytecodes::_monitorenter: // can re-run initial null check, only
case Bytecodes::_return:
return true;
break;
// Don't rerun athrow since it's part of the exception path.
case Bytecodes::_athrow:
case Bytecodes::_invokestatic:
case Bytecodes::_invokedynamic:
case Bytecodes::_invokespecial:
case Bytecodes::_invokevirtual:
case Bytecodes::_invokeinterface:
return false;
break;
default:
assert(false, "unexpected bytecode produced an exception");
return true;
}
}
//---------------------------do_exceptions-------------------------------------
// Process exceptions arising from the current bytecode.
// Send caught exceptions to the proper handler within this method.
@ -872,9 +811,6 @@ void Parse::do_exceptions() {
return;
}
// Make sure we can classify this bytecode if we need to.
debug_only(can_rerun_bytecode());
PreserveJVMState pjvms(this, false);
SafePointNode* ex_map;