[Bug middle-end/323] optimized code gives strange floating point results

["vincent-gcc at vinc17 dot net" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=323

--- Comment #227 from Vincent Lefèvre <vincent-gcc at vinc17 dot net> ---
In "See Also", there are several bugs that are related only to vectorization
optimizations. What is the relation with this bug?

For instance, PR89653 is "GCC (trunk and all earlier versions) fails to
vectorize (SSE/AVX2/AVX-512) the following loop [...]". If this is
SSE/AVX2/AVX-512, where does x86 extended precision occur?

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