http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54867
--- Comment #3 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-10-09 21:37:21 UTC --- > Unfortunately, this doesn't help. I'm attaching the -m64 dump for reference. This should though. Are you sure that you have correctly patched the file? eric@polaris:~/build/gcc/x86_64-pc-solaris2.10> grep "insn.*set (mem" pr44194-1.c.237r.final (insn/f:TI 27 22 35 2 (set (mem:DI (pre_dec:DI (reg/f:DI 7 sp)) [0 S8 A8]) eric@polaris:~/build/gcc/x86_64-pc-solaris2.10> grep "insn .*set (mem" pr44194-1.c.237r.final eric@polaris:~/build/gcc/x86_64-pc-solaris2.10>