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Re: -fnew-ra -- which architectures?
- From: Falk Hueffner <falk dot hueffner at student dot uni-tuebingen dot de>
- To: Daniel Berlin <dberlin at dberlin dot org>
- Cc: gcc at gcc dot gnu dot org
- Date: 16 Jul 2002 01:18:56 +0200
- Subject: Re: -fnew-ra -- which architectures?
- References: <Pine.LNX.4.44.0207151854300.3191-100000@dberlin.org>
Daniel Berlin <dberlin@dberlin.org> writes:
> On 16 Jul 2002, Falk Hueffner wrote:
>
> > internal compiler error: Internal compiler error in check_df, at ra.c:629
> > and
> > internal compiler error: Internal compiler error in check_df, at ra.c:637
>
> Yeah, these aren't new-ra problems, they are df.c problems.
>
> ALl the df changes from the new-regalloc-branch haven't been
> reviewed/committed yet.
> The one that fixes the above is (reversed, since i diffed new-ra to head,
> rather than head to new-ra):
Thanks, this fixes the problem. Improvements are moderate on my test
case, though:
number of stack writes
gcc -O1 0
Compaq Compiler 11 (the caller saved registers)
gcc -O3 119
gcc -O3 -fnew-ra 101
Are you interested in the test case?
--
Falk