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[Bug target/50829] avx extra copy for _mm256_insertf128_pd


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.


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