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2016 Oct 17
4
LLVM backend -- Avoid base+index address mode for X86
Hi All, I have a question regarding LLVM backend. I appreciate a lot if anyone can provide some hints. My work here is to avoid base+index address mode for X86 target, to allow base-register only or index-register only address mode. For example, "mov (%rsi), %rbx" is allowed, but "mov (%rsi, %rax), %rbx" is not allowed. I understand LLVM backend is a complex system. Can any