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Re: memref_conflict_p
- To: Michael Hayes <m dot hayes at elec dot canterbury dot ac dot nz>
- Subject: Re: memref_conflict_p
- From: Jeffrey A Law <law at cygnus dot com>
- Date: Thu, 26 Nov 1998 18:07:51 -0700
- cc: jfc at mit dot edu, egcs at cygnus dot com
- Reply-To: law at cygnus dot com
In message <13917.52207.303372.122029@ongaonga.elec.canterbury.ac.nz>you writ
e:
>
>
> The current behaviour of
> memref_conflict_p (1, (REG:P r), 1, (PRE_INC:P (REG:P r)), 0)
> is to return 1 even though these pointers will not reference the
> same memory location.
>
> Is this intentional or should this function be extended to handle
> autoincrement addressing?
Sounds like a mistake to me. I've had to beat on the alias code in the past
to improve autoinc support, so it wouldn't suprise me if there are areas where
it is still weak.
Jeff