[fedora-arm] GCC PR #50521
Gordan Bobic
gordan at bobich.net
Wed Nov 9 10:05:45 UTC 2011
On Wed, 09 Nov 2011 07:44:02 +0100, Henrik Nordström
<henrik at henriknordstrom.net> wrote:
> tis 2011-11-08 klockan 15:05 -0800 skrev Brendan Conoboy:
>
>> Per our IRC conversation, the second patch in 50521, "patch to
>> honour
>> STRICT_ALIGNMENT," breaks the gcc build. Midway through, xgcc is
>> used
>> to generate an executable which segfaults. The build works with
>> 50521's
>> "proposal patch" however. I have not tested the result.
>
> It's the first "proposal patch" that I worry about.
>
> As discussed in the PR the second patch is a separate problem and do
> not
> belong here and should be moved to a PR of it's own (alignment in
> general). But it is possible armv5 may need something like this in
> some
> cases, I do not know.
Speaking of alignment, armv5 has been in need of a GCC option to force
4-byte alignment of all arrays (including char[] arrays) and structs
since forever. Arguably, it should be on by default on arm. But I guess
that is unrelated to this particular alignment issue.
Gordan
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