New development branch: ia64-fp-model-branch

[Steven Bosscher]

On Thursday 04 November 2004 09:41, Paolo Bonzini wrote:
>  > Implementation of #pragma _USE_SF will definitely require front-end
>  > changes, as GCC currently has no support for lexically-scoped #pragma.
>  > (This feature is desirable for C99 and OpenMP support as well.)
>  > Assuming some mechanism for propagating the information all the way
>  > through the tree optimizers, the backend needs only check the state of
>  > the #pragma in expanders and choose the appropriate pattern.
>
> This is slightly different from OpenMP, where all the lowering is done
> way before the backend are reached.

No, Zack is right, it's exactly the same problem.  We don't have support 
for lexically scoped #pragmas right now, and we do need to propagate this
knowledge through the front end.

Hail to the new parser.

Gr.
Steven