Thanks for the reply, I know that it’s too late for GCC 8. I wanted to get some feedback on this patch, so I could address all issues until GCC 9 development starts. But I suppose it is better to just post it again later.
Dominik > On 21 Nov 2017, at 18:09, Jeff Law <l...@redhat.com> wrote: > > On 11/21/2017 04:14 AM, Dominik Inführ wrote: >> Hi, >> >> this patch tries to extend tree-ssa-dce.c to remove unnecessary >> new/delete-pairs (it already does that for malloc/free). Clang does it too >> and it seems to be allowed by >> http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3664.html. I’ve >> bootstrapped/regtested on aarch64-linux and x86_64-linux. > Just a note, we've transitioned into stage3 in preparation for the > upcoming gcc-8 release in the spring. During stage3 we're addressing > bugfixes, not further enhancements (with the exception of enhancements > that were posted prior to stage1 close). > > So it's unlikely anyone will dig into this right now, unless there's an > existing bugzilla around this missed optimization. > > Just wanted to let you know where things stood so you don't interpret > silence as "we don't care". > > jeff
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