[Bug target/71467] extra store for -mavx -mno-avx

[mirq-gccboogs at rere dot qmqm.pl]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71467

--- Comment #1 from Micha³ Miros³aw <mirq-gccboogs at rere dot qmqm.pl> ---
It gets even worse with AVX also disabled.

$ gcc -O3 -mno-avx -mno-avx2 -S -o - a.c