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Re: AIX regression due to DFA scheduler merge
- From: David Edelsohn <dje at watson dot ibm dot com>
- To: law at redhat dot com
- Cc: Vladimir Makarov <vmakarov at redhat dot com>, gcc-patches at gcc dot gnu dot org, Mark Mitchell <mark at codesourcery dot com>
- Date: Fri, 31 May 2002 16:34:11 -0400
- Subject: Re: AIX regression due to DFA scheduler merge
>>>>> law writes:
Jeff> Now what I find particularly interesting about this is that it *may* tie
Jeff> into the regressions we've seen when trying to schedule a libcall group
Jeff> as a single entity. It's a slight stretch, but I can envision ways this
Jeff> latent bug could be interacting badly when the libcall group scheduling
Jeff> patch.
Another piece of evidence supporting this theory is that the
c-torture regressions with the SCHED_GROUP patch disappear when using the
DFA description.
David