https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66126
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target| |i?86-*-* Status|UNCONFIRMED |NEW Last reconfirmed| |2015-05-12 Component|c |target Ever confirmed|0 |1 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- i?86 passes it in %mm0 (oops) (with -msse2), even if the function is externally visible. I think -msse shouldn't change the ABI.