Re: [PATCH 2/2] jump label: disable due to compiler bug

[David Daney]

On 10/28/2010 07:17 AM, Jason Baron wrote:
> On Wed, Oct 27, 2010 at 03:21:55PM -0700, H. Peter Anvin wrote:
> > Could you detail the bug, please?  static_cpu_has() also uses asm goto.
>
> It seems that gcc can leave the stack in an inconsistent state.
>
> I only saw this in the 'jmp' enabled case, I'm not sure if it can occur in the
> straight-line code path as well.

Jason,

Were you going to file a GCC bug on this issue?  Someone should.

It would be a shame to have the problem persist due to lack of awareness 
by the GCC developers.

David Daney
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