Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: buaa.zhaoc at gmail dot com
Target Milestone: ---
compiling the following code. Run the binary will cause a segment fault. GCC
version is 7.3, Target: x86_64-pc-linux-gnu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84525
--- Comment #2 from Zhao Chun ---
Thanks for you explain.
It looks some weird to me.
If the type was int64_t or others, this can work.
Is there some specs to say that __int128 is 16-byte aligned?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84525
--- Comment #4 from Zhao Chun ---
(In reply to Jakub Jelinek from comment #3)
> (In reply to Zhao Chun from comment #2)
> > Thanks for you explain.
> > It looks some weird to me.
> > If the type was int64_t or others, this can work.
>
> No, it
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84525
--- Comment #6 from Zhao Chun ---
(In reply to Jakub Jelinek from comment #5)
> I wrote it above. memcpy or packed struct. And there is no reason to think
> about memcpy as something inefficient, GCC will turn those single element
> memcpy call
