https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125856
--- Comment #6 from Hongtao Liu <liuhongt at gcc dot gnu.org> --- (In reply to H.J. Lu from comment #5) > Created attachment 64754 [details] > A patch to expand memcpy as memmove > > I am testing this. Hongtao, can you run SPEC CPU with it? Thanks. It reduces 727.cppcheck_r O2 codesize by ~9%, fixed most of the codesize regression(where the PR comes from) without performance impact, I'm going to test it more broadly, and will get back to you later.
