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6923002: assert(false,"this call site should not be polymorphic")

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Clear the total count when a receiver information is cleared.

Reviewed-by: never, jrose
This commit is contained in:
Vladimir Kozlov 2010-02-07 12:15:06 -08:00
parent c1be36be1b
commit 2fd8d35905
11 changed files with 54 additions and 22 deletions
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19
hotspot/src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp
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@ -2730,9 +2730,6 @@ void LIR_Assembler::emit_profile_call(LIR_OpProfileCall* op) {
}
Address counter_addr(mdo, md->byte_offset_of_slot(data, CounterData::count_offset()) - mdo_offset_bias);
__ lduw(counter_addr, tmp1);
__ add(tmp1, DataLayout::counter_increment, tmp1);
__ stw(tmp1, counter_addr);
Bytecodes::Code bc = method->java_code_at_bci(bci);
// Perform additional virtual call profiling for invokevirtual and
// invokeinterface bytecodes
@ -2822,15 +2819,23 @@ void LIR_Assembler::emit_profile_call(LIR_OpProfileCall* op) {
__ set(DataLayout::counter_increment, tmp1);
__ st_ptr(tmp1, mdo, md->byte_offset_of_slot(data, VirtualCallData::receiver_count_offset(i)) -
mdo_offset_bias);
if (i < (VirtualCallData::row_limit() - 1)) {
__ br(Assembler::always, false, Assembler::pt, update_done);
__ delayed()->nop();
}
__ br(Assembler::always, false, Assembler::pt, update_done);
__ delayed()->nop();
__ bind(next_test);
}
// Receiver did not match any saved receiver and there is no empty row for it.
// Increment total counter to indicate polymorphic case.
__ lduw(counter_addr, tmp1);
__ add(tmp1, DataLayout::counter_increment, tmp1);
__ stw(tmp1, counter_addr);
__ bind(update_done);
}
} else {
// Static call
__ lduw(counter_addr, tmp1);
__ add(tmp1, DataLayout::counter_increment, tmp1);
__ stw(tmp1, counter_addr);
}
}