> > $ clang-9 -c crc32.i -O2 ; objtool check crc32.o > > crc32.o: warning: objtool: fn1 uses BP as a scratch register
Yes, I see it too. https://godbolt.org/z/N56HW1 > Do you still see this warning with -fno-omit-frame-pointer (assuming > clang has that option)? Using this makes the warning go away. Running objtool with --no-fp also gets rid of it. I.H.
