On Thu, Apr 08, 1999 at 01:25:40AM -0600, Jeffrey A Law wrote: > Is there a better > way to identify it other than by knowing that op 2 of a CALL_EXPR is a hunk > of RTL. Maybe by looking at the format string? No. This is a tree -- there is no format string. All you get is class == 'e' and length == 3. r~