Store scheduling with DFA scheduler
Nathan Sidwell
nathan@codesourcery.com
Tue Apr 26 11:29:00 GMT 2005
Jon,
> (define_insn_reservation "arith" 1 (eq_attr "type" "arith") "x")
> (define_insn_reservation "loads" 2 (eq_attr "type" "load") "x,m")
> (define_insn_reservation "stores" 3 (eq_attr "type" "store") "x,m*2")
Stores don't really have a 'result', why have you set the cycle
count to 3? Shouldn't it be '1'? (then you won't need store bypasses
for autoincrements)
nathan
--
Nathan Sidwell :: http://www.codesourcery.com :: CodeSourcery LLC
nathan@codesourcery.com :: http://www.planetfall.pwp.blueyonder.co.uk
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