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Re: [PATCH]: Fix pointer arithmetic handling in tree-ssa-structalias.c

From: "H. J. Lu" <hjl at lucon dot org>
To: Daniel Berlin <dberlin at dberlin dot org>
Cc: Grigory Zagorodnev <grigory_zagorodnev at linux dot intel dot com>, gcc-patches <gcc-patches at gcc dot gnu dot org>
Date: Wed, 13 Dec 2006 12:42:33 -0800
Subject: Re: [PATCH]: Fix pointer arithmetic handling in tree-ssa-structalias.c
References: <4aca3dc20612111938w37d90a3id0a10670e302c36a@mail.gmail.com> <45801E6E.7000103@linux.intel.com> <4aca3dc20612131057u7f89fbbcid7f27cd6d74f6ea0@mail.gmail.com>

On Wed, Dec 13, 2006 at 01:57:09PM -0500, Daniel Berlin wrote:
> On 12/13/06, Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com> wrote:
> >Daniel,
> >Your patch caused cpu2006/gcc to fail (results miscompare) at -O2
> >optimization level with 'test' dataset on ia32.
> 
> Uh, I was told by HJ that it actually fixes CPU2006.
> Also, without a small testcase that doesn't involve CPU2006 (which i
> don't have access to), i can't do anything.

There are 2 issus. That patch fixes 464.h264ref in SPEC CPU 2006
on x86-64 and SPEC CPU 2006 runs ok on x86-64. But it breaks 403.gcc
in SPEC CPU 2006 on i686.


H.J.

Follow-Ups:
- Re: [PATCH]: Fix pointer arithmetic handling in tree-ssa-structalias.c
  - From: Daniel Berlin

References:
- [PATCH]: Fix pointer arithmetic handling in tree-ssa-structalias.c
  - From: Daniel Berlin
- Re: [PATCH]: Fix pointer arithmetic handling in tree-ssa-structalias.c
  - From: Grigory Zagorodnev
- Re: [PATCH]: Fix pointer arithmetic handling in tree-ssa-structalias.c
  - From: Daniel Berlin

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