RFR: 8270947: AArch64: C1: use zero_words to initialize all objects [v2]

[Andrew Haley]

On 7/29/21 10:19 AM, Andrew Haley wrote:
> On 7/29/21 9:56 AM, Nick Gasson wrote:
>> I hit the following assertion failure when I ran tier1 with `-XX:TieredStopAtLevel=1`. This was from `compiler/loopopts/TestDeepGraphVerifyIterativeGVN.java`.
>>
>>
>> #  Internal Error (/mnt/nicgas01-pc/jdk/src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp:566), pid=124784, tid=124797
>> #  assert(pc() == ((address)::badAddressVal)) failed: postcond
> 
> Oh, that really is weird. I'll dig some more.

I get

Running test 'jtreg:test/hotspot/jtreg/compiler/loopopts/TestDeepGraphVerifyIterativeGVN.java'
Test results: no tests selected

perhaps because that is a C2-only test.

-- 
Andrew Haley  (he/him)
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
https://keybase.io/andrewhaley
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