http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51893
--- Comment #4 from Aurelien Buhrig <aurelien.buhrig.gcc at gmail dot com> 2012-01-20 09:00:38 UTC --- After modifying this patch for 4.6.1 this patch doesn't work (bitfld-3.c testcase). It doesn't affect the value subword offset computation (wordnum) when calling operand_subword_force.