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Re: Fix reload inheritance of post-modified addresses.
- From: Bernd Schmidt <bernds at codesourcery dot com>
- To: Ian Bolton <ian dot bolton at arm dot com>
- Cc: 'Richard Sandiford' <richard dot sandiford at linaro dot org>, gcc-patches at gcc dot gnu dot org
- Date: Wed, 12 Jan 2011 13:22:41 +0100
- Subject: Re: Fix reload inheritance of post-modified addresses.
- References: <g48vyssuds.fsf@richards-desktop-2.stglab.manchester.uk.ibm.com> <000001cbb243$8972dbb0$9c589310$@bolton@arm.com>
On 01/12/2011 11:29 AM, Ian Bolton wrote:
> Hi Richard,
>
>> This patch fixes a miscompilation of SPEC2006 gromacs with ARM+VFP.
>> Thanks to Dave Gilbert for narrowing down the failure to a particular
>> rtl instruction and a particular group of flags.
>
> Your patch also fixes this:
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47166
>
> Thanks to Bernd for debugging this.
Actually that's a slightly different patch - I had to disable this code
for PRE_MODIFY as well.
Bernd