[Bug target/87421] GCC generates unaligned movdqa

[fw at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87421

Florian Weimer <fw at gcc dot gnu.org> changed:

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                 CC|                            |fw at gcc dot gnu.org

--- Comment #2 from Florian Weimer <fw at gcc dot gnu.org> ---
What's your exact target?

On x86-64-pc-linux-gnu, on function entry, %rsp + 8 is a multiple of 16, so
%rbp is a multiple of 16 throughout the function.  This means that %rbp - 48 is
a multiple of 16 as well, and the movdqa load is 16-byte-aligned.