[Bug tree-optimization/92645] Hand written vector code is 450 times slower when compiled with GCC compared to Clang
jakub at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Thu Mar 5 10:04:00 GMT 2020
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92645
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |jakub at gcc dot gnu.org
--- Comment #21 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Perhaps that is something store-merging should handle too and related to the
issue Xionghu Luo showed in the "Run store-merging pass once more before pass
fre/pre" thread on gcc-patches. Ideally store-merging should handle both, and
SLP too.
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