------- Additional Comments From pinskia at gcc dot gnu dot org 2005-05-05 13:49 ------- "`a', b, c, or d register for the i386. For x86-64 it is equivalent to `r' class (for 8-bit instructions that do not use upper halves). "
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21398
