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Re: cleanup alter_subreg; fix simplify_subreg
- From: Hans-Peter Nilsson <hp at bitrange dot com>
- To: "Kaveh R. Ghazi" <ghazi at caip dot rutgers dot edu>
- Cc: <gcc-bugs at gcc dot gnu dot org>, <gcc-patches at gcc dot gnu dot org>
- Date: Wed, 21 Nov 2001 22:10:53 -0500 (EST)
- Subject: Re: cleanup alter_subreg; fix simplify_subreg
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On Wed, 21 Nov 2001, Kaveh R. Ghazi wrote:
> Jan,
>
> I'm pretty sure your change also broke solaris2 bootstraps. The sparc
> port has a bunch of calls to alter_subreg and none of them appear to
> have been updated as per your parameter change. See:
> http://gcc.gnu.org/ml/gcc-bugs/2001-11/msg00519.html
Maybe alter_subreg calls need changing, I don't know. If it's
not that, then maybe it's because sparc.md uses define_peephole
which was also broken by that patch. For laughs, try
<URL:http://gcc.gnu.org/ml/gcc-patches/2001-11/msg01407.html>.
It helped a bit on the road for arm-elf, but didn't solve the
build problem. (Sorry: I see no SPARC here.)
brgds, H-P