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Re: sparcv9 bootstrap failure; gengenrtl dumps core

From: Richard Henderson <rth at redhat dot com>
To: Jeff Sturm <jsturm at one-point dot com>
Cc: gcc at gcc dot gnu dot org, jakub at redhat dot com
Date: Thu, 24 Jan 2002 17:06:01 -0800
Subject: Re: sparcv9 bootstrap failure; gengenrtl dumps core
References: <20020124135317.A4578@mithras.fakedomain.net> <Pine.LNX.4.10.10201241952360.5506-100000@mars.deadcafe.org>

On Thu, Jan 24, 2002 at 07:59:58PM -0500, Jeff Sturm wrote:
> * doc/tm.texi: Remove STARTING_FRAME_PHASE.
> 
> 	* config/rs6000/rs6000.h: Same.
> 
> 	* function.c (instantiate_virtual_regs): Remove
> 	STARTING_FRAME_PHASE.
> 	(assign_stack_local_1): Same.
> 	Calculate frame phase.
> 
> Somehow this upsets stack frame addressing on sparcv9.

Doh.  My bad for telling Aldy-vec that a macro wasn't needed.

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.

Thoughts?

r~

Follow-Ups:
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References:
- sparcv9 bootstrap failure; gengenrtl dumps core
  - From: Alexander Poquet
- Re: sparcv9 bootstrap failure; gengenrtl dumps core
  - From: Jeff Sturm

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