https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89922
JunMa <JunMa at linux dot alibaba.com> changed:
What |Removed |Added
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CC| |JunMa at linux dot alibaba.com
--- Comment #5 from JunMa <JunMa at linux dot alibaba.com> ---
the testcase in https://godbolt.org/z/iKi0pb is well optimized in gcc6.5 with
O3, but not gcc7 and later.
I have checked the gimple code dumped by optimized pass which are same.
The difference is done by rtl_cse1 pass.
