On 08/01/2018 12:14 PM, Jan Hubicka wrote: > OK, thanks! > We have other builtins that may fold into string function which we expand > internally (str variants comes to mind) perhaps they could be instrumented, > too.
Sure, as mentioned here: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=35543#c5, these have reasonable inline expansion just for parameters of 0 or 1. I tried to measure # of BUILT_IN_MEMCMP and BUILT_IN_STRNCMP with size <= 1 and there was only one occurrence in SPEC (I mean really hot enough call of the function that will be potentially transformed). Are there any other builtins I forgot to consider and can have reasonable usage? Martin > > Honza
