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Re: [RFC PATCH] Fix middle-end/6963
- From: Richard Henderson <rth at redhat dot com>
- To: David Edelsohn <dje at watson dot ibm dot com>
- Cc: Alan Modra <amodra at bigpond dot net dot au>, Ulrich dot Weigand at de dot ibm dot com, Mark Mitchell <mark at codesourcery dot com>, gcc-patches at gcc dot gnu dot org
- Date: Fri, 28 Jun 2002 13:11:10 -0700
- Subject: Re: [RFC PATCH] Fix middle-end/6963
- References: <rth@redhat.com> <200206281848.OAA27976@makai.watson.ibm.com>
On Fri, Jun 28, 2002 at 02:48:35PM -0400, David Edelsohn wrote:
> Sorry, I'm being dense. What do you mean by "a pseudo operand"?
> I tried a match_scratch with constraint "m" just to see what would happen,
> but that ICEd.
Yes, that's an unfortunate wart -- reload cannot allocate temporary
memory. You have to use a real pseudo, i.e. gen_reg_rtx.
r~