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Re: Your flow.c change on 4/8
- To: Richard Kenner <kenner at vlsi1 dot ultra dot nyu dot edu>
- Subject: Re: Your flow.c change on 4/8
- From: Richard Henderson <rth at cygnus dot com>
- Date: Mon, 10 Apr 2000 16:32:14 -0700
- Cc: gcc-patches at gcc dot gnu dot org
- References: <10004102218.AA01370@vlsi1.ultra.nyu.edu>
On Mon, Apr 10, 2000 at 06:07:13PM -0400, Richard Kenner wrote:
> It looks wrong to me and is causing problems. Suppose we have an insn
> that sets a single register but uses a multi-word register including
> one of those. It will return 1 in this case and prevent a REG_DEAD
> note from being made.
Yes, I know. Geoff's PPC regression testing showed this up
pretty well (though it took me a day and a half to get a PPC
cross-compiler built).
I'll get it fixed this evening.
r~