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Re: strict aliasing problem in GNU Mach
From: |
Marcus Brinkmann |
Subject: |
Re: strict aliasing problem in GNU Mach |
Date: |
Sun, 22 Jan 2006 13:15:11 -0500 |
On Sun, 2006-01-22 at 17:06 +0100, Gianluca Guida wrote:
> Among lot of warning, while compiling GNU Mach with recent gcc's we
> get lot of warnings related to strict aliasing optimization. This
> might lead the compiler into producing incorrect code.
>
> I personally think that instead of modifying GNU Mach's code (and
> limit our cast usage) we can simply get rid of this invasive
> optimization by adding to CFLAGS -fno-strict-aliasing.
>
> What do you think?
I agree that we should use -fno-strict-aliasing for GNU Mach. Fixing
this is not a high priority, and for the original Linux source files
this option is actually a necessity.
Thanks,
Marcus