https://sourceware.org/bugzilla/show_bug.cgi?id=32403
--- Comment #3 from Haochen Jiang <haochen.jiang at intel dot com> --- I will have a look into that. >From my memory in assembler implementation, the {evex} prefix relies on and only on the register usage. It won't check memory and will not consider whether an instruction with memory and immediate operands are only available with EVEX encoding. -- You are receiving this mail because: You are on the CC list for the bug.