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[Bug target/50829] avx extra copy for _mm256_insertf128_pd
- From: "glisse at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sat, 30 Mar 2013 10:13:46 +0000
- Subject: [Bug target/50829] avx extra copy for _mm256_insertf128_pd
- Auto-submitted: auto-generated
- References: <bug-50829-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50829
--- Comment #13 from Marc Glisse <glisse at gcc dot gnu.org> 2013-03-30 10:13:46 UTC ---
(In reply to comment #10)
> Created attachment 28846 [details]
> Use subreg
The patch was submitted at
http://gcc.gnu.org/ml/gcc-patches/2013-03/msg00683.html and rejected, see the
discussion in that thread. We need a way to completely remove the pattern.