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Re: A question about a libcall
- From: Richard Henderson <rth at redhat dot com>
- To: Kazu Hirata <kazu at cs dot umass dot edu>
- Cc: gcc at gcc dot gnu dot org
- Date: Mon, 9 Sep 2002 19:23:14 -0700
- Subject: Re: A question about a libcall
- References: <20020909.184107.122622890.kazu@cs.umass.edu>
On Mon, Sep 09, 2002 at 06:41:07PM -0400, Kazu Hirata wrote:
> Let's say a libcall returns its result in (reg 0). Is it normal to
> have multiple references to (reg 0) after the libcall? Or are we
> supposed to copy (reg 0) to some pseudo reg and then use that pseudo
> reg as many times as needed?
The later.
r~