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Re: [PATCH] S/390: Fix ICE with dynamic stack checking

From: Andreas Krebbel <krebbel at linux dot vnet dot ibm dot com>
To: Jakub Jelinek <jakub at redhat dot com>
Cc: gcc-patches at gcc dot gnu dot org
Date: Tue, 06 Apr 2010 07:31:19 +0200
Subject: Re: [PATCH] S/390: Fix ICE with dynamic stack checking
References: <20100330133752.GA8142@bart> <20100405184703.GF2817@tyan-ft48-01.lab.bos.redhat.com>

Jakub Jelinek wrote:

On Tue, Mar 30, 2010 at 03:37:52PM +0200, Andreas Krebbel wrote:
the attached patch fixes a problem with the dynamic stack checks
introduced with the arch dependent option -mstack-size on S/390.
A bug causes an ICE if the function uses more than half the stack
space at once.
Committed to 4.3 and 4.4.  4.5/4.6 pending until branches are open
again.
The testcase fails at least on the trunk and 4.4 branch for me and
from looking at the s390.c part of the change it seems the warning
is intentional.
This is what I'm going to regtest now, ok for trunk/4.4 if it passes?

2010-04-05 Jakub Jelinek <jakub@redhat.com>

* gcc.target/s390/stackcheck1.c: Add dg-warning.

Ok. Thanks for fixing this.

Please commit to 4.3 as well.

-Andreas-

References:
- Re: [PATCH] S/390: Fix ICE with dynamic stack checking
  - From: Jakub Jelinek

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