I see this in LTO/PGO binaries as well. If a function is 20 instructions long, i...

		Sesse__ 2 days ago \| parent \| context \| favorite \| on: Limitations of frame pointer unwinding I see this in LTO/PGO binaries as well. If a function is 20 instructions long, it's not like you can inline it uncritically, yet a five-cycle prologue and a five-cycle epilogue will hurt. (Also, recursive functions etc.)