RFR: 8305896: Alternative full GC forwarding [v43]

[Roman Kennke]

On Tue, 16 May 2023 12:54:50 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> Roman Kennke has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 109 commits:
>> 
>>  - Merge remote-tracking branch 'origin/JDK-8305896' into JDK-8305896
>>  - Some more @shipilev comments
>>  - Update src/hotspot/share/gc/shared/slidingForwarding.hpp
>>    
>>    Co-authored-by: Aleksey Shipilëv <shipilev at amazon.de>
>>  - Align fake-heap without GCC warnings (duh)
>>  - Merge branch 'master' into JDK-8305896
>>  - Fix gtest: Align fake-heaps, avoid re-forwardings
>>  - @tschatzl's latest fix, cleanup and a test that checks unaligned heap problem
>>  - Fix build
>>  - Update src/hotspot/share/gc/shared/slidingForwarding.cpp
>>    
>>    Co-authored-by: Aleksey Shipilëv <shipilev at amazon.de>
>>  - Update src/hotspot/share/gc/shared/slidingForwarding.cpp
>>    
>>    Co-authored-by: Aleksey Shipilëv <shipilev at amazon.de>
>>  - ... and 99 more: https://git.openjdk.org/jdk/compare/6ebea897...f1ad3421
>
> src/hotspot/share/utilities/fastHash.hpp line 30:
> 
>> 28: #include "memory/allStatic.hpp"
>> 29: 
>> 30: class FastHash : public AllStatic {
> 
> Where did this hash come from?

>From here: https://github.com/openjdk/jdk/pull/13582#discussion_r1184778234 apparently by @rose00

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PR Review Comment: https://git.openjdk.org/jdk/pull/13582#discussion_r1195236715