How to migrate ggc_alloc_XXX for GCC v8.x (git-20170816)?

Leslie Zhai lesliezhai@llvm.org.cn
Thu Aug 17 02:23:00 GMT 2017


Hi Trevor,

Thanks for your kind response!


脭脷 2017脛锚08脭脗16脠脮 20:02, Trevor Saunders 脨麓碌脌:
> On Wed, Aug 16, 2017 at 05:32:10PM +0800, Leslie Zhai wrote:
>> Hi GCC developers,
>>
>> GCC v4.6's gengtype will auto-generate Allocators for known structs and
>> unions, for example: ggc_alloc_tree2WeakVH for tree2WeakVH https://github.com/xiangzhai/dragonegg/blob/master/include/dragonegg/gt-cache-4.6.inc#L24
>>
>> but gengtype will not auto-generate ggc_alloc_XXX for GCC v6.x or v8.x
>> (git-20170816), for example: struct GTY((for_user)) tree2WeakVH https://github.com/xiangzhai/dragonegg/blob/master/include/dragonegg/gt-cache-8.0.inc#L1284
>>
>> As ChangeLog-2014 mentioned:
>>
>> 2014-05-17  Trevor Saunders <tsaunders@mozilla.com>
>>
>>      ...
>>      (ggc_alloc): Install the type's destructor as the finalizer if it
>>      might do something.
>>
>> Please give me some hint about ggc_alloc migration, thanks a lot!
> if you look at the patches they convert ggc_alloc_foo to ggc_alloc<foo>
> and you should do the same.

Thanks for your hint! I do the same :) 
https://github.com/xiangzhai/dragonegg/blob/master/src/Cache.cpp#L255
PS: how to find the relative patch for the ChangeLog's item? I use 
Google, for example: (ggc_alloc): Install the type's destructor as the 
finalizer if it might do something.


>
> Trev
>
>> -- 
>> Regards,
>> Leslie Zhai - a LLVM developer https://reviews.llvm.org/p/xiangzhai/
>>
>>
>>

-- 
Regards,
Leslie Zhai - a LLVM developer https://reviews.llvm.org/p/xiangzhai/





More information about the Gcc mailing list