https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118328
--- Comment #19 from Diego Russo <Diego.Russo at arm dot com> --- > Can you make a simple table: w/o tail-call - 1 with tail-call but not preserve_none - 0.94 with tail-call and preserve_none - 1 You understood correctly. I think there is still value in having it on AArch64. The debug experience will be much more pleasant :) > Is there real documentation on this attribute or is it just ad hoc on what it > does on the LLVM side about the ABI implications? I'll ping Brandt and let you know.
