search for: d68075

Hi Vedant, thanks for your answer and sorry for the late response. It seems like D68076 might not address the underlying issue here (e.g. it probably doesn't improve the situation for projects using `-g -fno-unwind-tables`?). Yes, D68075 is a somewhat conservative patch that aligns the behaviour on AArch64 (for GNU targets) that leads to consistent generated assembly. As you said it does not help if unwind tables are explicitly disabled (`-fno-unwind-tables`). It is a conservative patch since it decreases scheduling potential (due...

Hi Paul, thanks for your comments. This is PR37240 (https://bugs.llvm.org/show_bug.cgi?id=37240). I suspect this problem affects all targets; your patch D68076 would address it only for AArch64. Although I would suggest you do some careful measurements to determine the runtime performance effect, to decide whether this is acceptable. Yes, in principle the problem that instruction scheduling is