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Re: gcc with a cpu contain multiple risc units sharing the same registerfile.
- From: Jim Wilson <wilson at specifixinc dot com>
- To: mike at csdn dot sign dot idv dot tw
- Cc: gcc at gcc dot gnu dot org
- Date: Tue, 27 Apr 2004 22:38:22 -0700
- Subject: Re: gcc with a cpu contain multiple risc units sharing the same registerfile.
- References: <20040426211927.GA32275@csdn.sign.idv.tw>
mike@csdn.sign.idv.tw wrote:
I am porting gcc to a target cpu containing multiple risc units
sharing the same register file.
Can I use DFA to describe this target cpu?
Yes.
> I have read the gcc DFA manual, but I still cannot figure out how the
> describe the pipeline.
Try looking at DFA descriptions that have been written for other
targets. There are some simple ones that aren't too hard to understand,
and you can learn a bit more about how this stuff works by looking at
some of them.
--
Jim Wilson, GNU Tools Support, http://www.SpecifixInc.com