Series looks good to me.
Roland
Am 12.02.2015 um 17:27 schrieb Jose Fonseca:
> We need to build certain parts of Mesa (namely gallium, llvmpipe, and
> therefore util) with Windows SDK 7.0.7600, which includes MSVC 2008.
> ---
> src/util/u_atomic.h | 32 ++++++++++++++++++++++++++++++--
> 1 file changed, 30 insertions(+), 2 deletions(-)
>
> diff --git a/src/util/u_atomic.h b/src/util/u_atomic.h
> index e123e17..f54def3 100644
> --- a/src/util/u_atomic.h
> +++ b/src/util/u_atomic.h
> @@ -88,7 +88,7 @@
>
> #if _MSC_VER < 1600
>
> -/* Implement _InterlockedCompareExchange8 in terms of
> InterlockedCompareExchange16 */
> +/* Implement _InterlockedCompareExchange8 in terms of
> _InterlockedCompareExchange16 */
> static __inline
> char _InterlockedCompareExchange8(char volatile *Destination8, char
> Exchange8, char Comparand8)
> {
> @@ -103,7 +103,7 @@ char _InterlockedCompareExchange8(char volatile
> *Destination8, char Exchange8, c
> * neighboring byte untouched */
> short Exchange16 = (Initial16 & ~Mask8) | ((short)Exchange8 << Shift8);
> short Comparand16 = Initial16;
> - short Initial16 = InterlockedCompareExchange16(Destination16,
> Exchange16, Comparand16);
> + short Initial16 = _InterlockedCompareExchange16(Destination16,
> Exchange16, Comparand16);
> if (Initial16 == Comparand16) {
> /* succeeded */
> return Comparand8;
> @@ -114,6 +114,34 @@ char _InterlockedCompareExchange8(char volatile
> *Destination8, char Exchange8, c
> return Initial8;
> }
>
> +/* Implement _InterlockedExchangeAdd16 in terms of
> _InterlockedCompareExchange16 */
> +static __inline
> +short _InterlockedExchangeAdd16(short volatile *Addend, short Value)
> +{
> + short Initial = *Addend;
> + short Comparand;
> + do {
> + short Exchange = Initial + Value;
> + Comparand = Initial;
> + Initial = _InterlockedCompareExchange16(Addend, Exchange, Comparand);
> + } while(Initial != Comparand);
> + return Comparand;
> +}
> +
> +/* Implement _InterlockedExchangeAdd8 in terms of
> _InterlockedCompareExchange8 */
> +static __inline
> +char _InterlockedExchangeAdd8(char volatile *Addend, char Value)
> +{
> + char Initial = *Addend;
> + char Comparand;
> + do {
> + char Exchange = Initial + Value;
> + Comparand = Initial;
> + Initial = _InterlockedCompareExchange8(Addend, Exchange, Comparand);
> + } while(Initial != Comparand);
> + return Comparand;
> +}
> +
> #endif /* _MSC_VER < 1600 */
>
> /* MSVC supports decltype keyword, but it's only supported on C++ and doesn't
>
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