http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47744
--- Comment #25 from Uros Bizjak <ubizjak at gmail dot com> 2011-07-17 22:59:39 UTC --- > It doesn't work. I got Yeah, I found the problem, we have to allow only non-eliminable registers. Please try this: case SUBREG: if (TARGET_X32 && !register_no_elim_operand (op, Pmode)) return 0;