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[Bug middle-end/21111] IA-64 NaT consumption faults due to uninitialized register reads
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 19 Jul 2005 05:24:09 -0000
- Subject: [Bug middle-end/21111] IA-64 NaT consumption faults due to uninitialized register reads
- References: <20050419203158.21111.wilson@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-07-19 05:24 -------
(In reply to comment #3)
> Subject: Re: IA-64 NaT consumption faults due to uninitialized
> The change I am suggesting should not hurt performance, and I expect
> that it would actually help performance in many cases.
>
> Currently, the first assignment to a structure is a bitfield insert.
This is PR 15596 and really an expand issue with respect with NVR. Use the C++ front-end for both
3.3 and 4.0.0 and noticed that it happens there too.
I would not doubt you could reproduce this with the C++ front-end before 4.0.0 also. This is all NVR
related and nothing more.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21111