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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 11:44:22 -0700
- Subject: Re: [RFC PATCH] Fix middle-end/6963
- References: <rth@redhat.com> <200206281829.OAA31350@makai.watson.ibm.com>
On Fri, Jun 28, 2002 at 02:29:11PM -0400, David Edelsohn wrote:
> Would allocating the stack slot much earlier be correct? Even if
> this is corect, it is troubling that we need to allocate a stack slot that
> may never be used if the splitter is never invoked.
That's one approach. Another is to have a pseudo operand
with an "m" constraint when you need its memory.
r~