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Re: [PATCH] Exploiting dual mode operation, implementation.
- From: Steven Bosscher <stevenb at suse dot de>
- To: Leehod Baruch <LEEHOD at il dot ibm dot com>
- Cc: Richard Henderson <rth at redhat dot com>, gcc-patches at gcc dot gnu dot org, Mircea Namolaru <NAMOLARU at il dot ibm dot com>, sleehodb at t2 dot technion dot ac dot il
- Date: Sun, 31 Jul 2005 17:40:24 +0200
- Subject: Re: [PATCH] Exploiting dual mode operation, implementation.
- References: <OF722D851B.433D85B4-ONC225704F.003F040D-C225704F.00556F3E@il.ibm.com>
On Sunday 31 July 2005 17:30, Leehod Baruch wrote:
> > > see_try_combine (rtx I1, rtx I2, rtx I3, int pattern_type)
> >
> > This hackery with combine is atrocious.
>
> I'll work on this.
Work on this how. This one bit is probably the biggest problem in
your code. While the rest also needs a considerable amount of work,
this part is the one that you still have not clarified very well.
What are you trying to achieve here, and what kind of insns are you
trying to combine? If you described the problem instead of a bad
solution, maybe people can help you figure out a good solution.
Gr.
Steven