Alex Turjan <[EMAIL PROTECTED]> writes: > Im now looking the in gcc mainline to find when an instruction (with > alternative resource utilizations) is issued which of the resources > are used.
This is described using define_insn_reservation and so forth in the MD file. This is well documented in the internals manual. This permits a relatively simple form of VLIW scheduling. Real machines tend to require additional tweaking in the machine-reorg pass or the final pass. Ian
