https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65483
--- Comment #4 from Jan Hubicka <hubicka at ucw dot cz> --- > Testcase? I suppose you are talking about the loops in the bsNEEDR/W macros? bzip2 is quite small by itself, but I will take a look later today. Yes, it is bsNEEDR/W macros that gets unrolled. Honza