3 ms·
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 fiv
by Sesse__ 2y ago
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.)