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Re: sparcv9 bootstrap failure; gengenrtl dumps core
- From: Jeff Sturm <jsturm at one-point dot com>
- To: Richard Henderson <rth at redhat dot com>
- Cc: gcc at gcc dot gnu dot org, jakub at redhat dot com
- Date: Fri, 25 Jan 2002 13:20:55 -0500 (EST)
- Subject: Re: sparcv9 bootstrap failure; gengenrtl dumps core
On Thu, 24 Jan 2002, Richard Henderson wrote:
> Actually, I'm not really sure what to do with the offset
> stack pointer on sparcv9 -- it's arguably incorrect to say
> that the stack pointer is aligned, since combine can jump
> to the wrong conclusion.
Well, we also claim VIRTUAL_STACK_VARS_REGNUM is aligned in init_emit ().
One or the other is a lie for any port where STARTING_FRAME_OFFSET isn't
a multiple of the alignment, as on both ppc and sparcv9.
I don't care for much for the STARTING_FRAME_PHASE macro, but I don't have
any better ideas.
Jeff