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Re: [patch] Record REG_POINTER in more cases
- From: Roger Sayle <roger at eyesopen dot com>
- To: Zdenek Dvorak <rakdver at atrey dot karlin dot mff dot cuni dot cz>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Sat, 20 Mar 2004 14:38:07 -0700 (MST)
- Subject: Re: [patch] Record REG_POINTER in more cases
On Sat, 20 Mar 2004, Zdenek Dvorak wrote:
>
> * emit-rtl.c (set_mem_attributes_minus_bitpos): Set MEM_POINTER
> flag.
> * explow.c (force_not_mem): Set REG_POINTER flag according to
> MEM_POINTER one.
> * rtl.h (MEM_POINTER): New macro.
> (struct rtx_def): Use integrated for MEM_SCALAR_P and frame_related
> for MEM_POINTER.
This is OK for mainline.
I've heard complaints that the middle-end should be doing a better job
of preserving/propagating REG_POINTER, so any further follow-up patches
would be very much appreciated.
Thanks,
Roger
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