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Re: patch: reject incompatible classes in simplify_subreg
- From: Alan Modra <amodra at bigpond dot net dot au>
- To: Aldy Hernandez <aldyh at redhat dot com>
- Cc: Richard Henderson <rth at redhat dot com>, gcc-patches at gcc dot gnu dot org
- Date: Tue, 7 Dec 2004 10:37:33 +1030
- Subject: Re: patch: reject incompatible classes in simplify_subreg
- References: <20041104193639.GA19349@redhat.com> <20041129234858.GA1071@redhat.com> <20041206235056.GA4177@redhat.com>
On Mon, Dec 06, 2004 at 07:50:56PM -0400, Aldy Hernandez wrote:
> So we want to change the upper bits of (reg:DF 9), but we end up changing
> (reg:SI 9), which is actually the bottom bits.
No, (reg:SI 9) is the high word of (reg:DF 9).
--
Alan Modra
IBM OzLabs - Linux Technology Centre