https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61306
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Known to work| |4.9.0 Version|unknown |4.10.0 Keywords| |wrong-code Last reconfirmed| |2014-05-26 CC| |thomas.preudhomme at arm dot com Ever confirmed|0 |1 Summary|wrong code at -Os and above |[4.10 Regression] wrong |on x86_64-linux-gnu |code at -Os and above on | |x86_64-linux-gnu Target Milestone|--- |4.10.0 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- Confirmed. Looks like fallout from the bswap improvements.