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Re: two dfa problems


 In message <20020503153952.A32053@redhat.com>, Richard Henderson writes:
 > (2) Too many instructions issued per cycle.
 > 
 >     The .28.sched2 dump contains for MAIN__
 > 
 >          16--> 1144 $29=unspec[$29,0x3e] 10            :ev5_e01
 >          16--> 34   $16=$9                             :ev5_e01
 >          16--> 38   $18=0x18                           :ev5_e01
 >          16--> 40   $19=0x18                           :ev5_e01
 > 
 >     which has overcommitted both E0 and E1.  The issue rate is
 >     set to 4 because we can issue to E0,E1,FA,FM in one cycle,
 >     but that is not the case here.  I'm not sure what is going on.
I use -fsched-verbose=99 to see what's happening in more detail.    

jeff


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