https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82897
--- Comment #4 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to Jakub Jelinek from comment #3) > Because builtins are treated like any other function calls, and if > short/char args are promoted for normal calls, they are promoted for > builtins too. Indeed. Disabling TARGET_PROMOTE_PROTOTYPES gets us the direct move from memory. So... do we really need to promote all these builtins that usually result in a well known instruction? Is there a way to mark (some of ?) them with a "nopromote" flag?
