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Re: Reload byte using word access
- From: Richard Henderson <rth at redhat dot com>
- To: "D. Towner" <towner at cs dot bris dot ac dot uk>
- Cc: gcc <gcc at gcc dot gnu dot org>
- Date: Tue, 30 Apr 2002 13:13:49 -0700
- Subject: Re: Reload byte using word access
- References: <Pine.GSO.4.33.0204301653100.4892-100000@tao>
On Tue, Apr 30, 2002 at 04:57:57PM +0100, D. Towner wrote:
> Am I right in thinking that if a reload is
> required for a byte register (which is a subreg of a word register), then
> the address of the reload will be a word address (and aligned as such),
> since an entire word will be allocated for the reload?
No, this is not correct.
You will have to write reload_? patterns similar to those used for
alpha ev4/ev5.
r~