[PATCH] Add __GCC_HAVE_SYNC_COMPARE_AND_SWAP_*

[Paolo Carlini]

Uros Bizjak wrote:

> I would add also
>
> +#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16
>
> to ..._swap-1.c,
>
> +#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8
> +#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16
>
> to ..._swap-2.c and
>
> +#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16
>
> to ..._swap-3.c

Ok, added in the attahed, tested x86-linux and x86_64-linux multilib, as 
usual.

> just to cover all cases... Anyway, the i386 part (tests) are OK, and
> althoug I can't approve cpp part it looks pretty safe to me, having
> all these #ifdefs around.

Excellent. I'm looking for approval of the c-cppbuiltin.c bits...

Paolo.

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