On Thu, Feb 11, 2010 at 09:43:31AM -0800, Douglas B Rupp wrote: > A pointer would be much appreciated! > > In ia64.md for *cmpdi_normal this is found: > "cmp.%C1 %0, %I0 = %3, %r2" > > Where are %C, %I, %r described? Above gcc/config/ia64/ia64.c:ia64_print_operand. -Nathan