[Beignet] [PATCH] Fix atomic_xchg float type error.

[Zhigang Gong]

LGTM, thanks.

On Wed, Sep 04, 2013 at 01:55:23PM +0800, Yang Rong wrote:
> Also refine the "\" of some atomic macro.
> 
> Signed-off-by: Yang Rong <rong.r.yang at intel.com>
> ---
>  backend/src/ocl_stdlib.tmpl.h | 14 +++++++++++---
>  1 file changed, 11 insertions(+), 3 deletions(-)
> 
> diff --git a/backend/src/ocl_stdlib.tmpl.h b/backend/src/ocl_stdlib.tmpl.h
> index f3d2a8e..8e8c042 100644
> --- a/backend/src/ocl_stdlib.tmpl.h
> +++ b/backend/src/ocl_stdlib.tmpl.h
> @@ -2022,10 +2022,10 @@ OVERLOADABLE uint __gen_ocl_atomic_umax(__local uint *p, uint val);
>  
>  #define DECL_ATOMIC_OP_TYPE(NAME, TYPE, PREFIX) \
>    DECL_ATOMIC_OP_SPACE(NAME, TYPE, __global, PREFIX) \
> -  DECL_ATOMIC_OP_SPACE(NAME, TYPE, __local, PREFIX) \
> +  DECL_ATOMIC_OP_SPACE(NAME, TYPE, __local, PREFIX)
>  
>  #define DECL_ATOMIC_OP(NAME) \
> -  DECL_ATOMIC_OP_TYPE(NAME, uint, atomic_)              \
> +  DECL_ATOMIC_OP_TYPE(NAME, uint, atomic_)        \
>    DECL_ATOMIC_OP_TYPE(NAME, int, atomic_)
>  
>  DECL_ATOMIC_OP(add)
> @@ -2034,12 +2034,20 @@ DECL_ATOMIC_OP(and)
>  DECL_ATOMIC_OP(or)
>  DECL_ATOMIC_OP(xor)
>  DECL_ATOMIC_OP(xchg)
> -DECL_ATOMIC_OP_TYPE(xchg, float, atomic_)
>  DECL_ATOMIC_OP_TYPE(min, int, atomic_i)
>  DECL_ATOMIC_OP_TYPE(max, int, atomic_i)
>  DECL_ATOMIC_OP_TYPE(min, uint, atomic_u)
>  DECL_ATOMIC_OP_TYPE(max, uint, atomic_u)
>  
> +#undef DECL_ATOMIC_OP_SPACE
> +
> +#define DECL_ATOMIC_OP_SPACE(NAME, TYPE, SPACE, PREFIX)                        \
> +  INLINE_OVERLOADABLE TYPE atomic_##NAME (volatile SPACE TYPE *p, TYPE val) { \
> +    return as_float(__gen_ocl_##PREFIX##NAME((SPACE uint *)p, as_uint(val))); \
> +  }
> +DECL_ATOMIC_OP_SPACE(xchg, float, __global, atomic_)
> +DECL_ATOMIC_OP_SPACE(xchg, float, __local, atomic_)
> +
>  #undef DECL_ATOMIC_OP
>  #undef DECL_ATOMIC_OP_TYPE
>  #undef DECL_ATOMIC_OP_SPACE
> -- 
> 1.8.1.2
> 
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