On 17/01/2012 21:16, Paul S wrote: > For example the i386 seems to use predicates and constraints of the form > <*_operand> and <m/r/i> for the reload versions of these instructions - > and I haven't been able to find definitions of these or a mention in > gcc_internals.pdf of any special meaning assigned to the <> notation.
See http://gcc.gnu.org/onlinedocs/gccint/Substitutions.html, and take a look for the define_[code/mode]_[attr/iterator] definitions around line ~650ish of i386.md cheers, DaveK
