https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93935
Kewen Lin <linkw at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2020-02-26 Ever confirmed|0 |1 --- Comment #1 from Kewen Lin <linkw at gcc dot gnu.org> --- Indeed, those two test cases are similar, both of them require misaligned vector access support. Although the case with -mvsx, it can't use unaligned vsx insns due to -mno-allow-movmisalign. The patch has been sent for review which allows r267528.