On Mar 6, 2010, at 10:29 PM, Eric Christopher wrote:
> Author: echristo
> Date: Sun Mar 7 00:29:09 2010
> New Revision: 97904
>
> URL: http://llvm.org/viewvc/llvm-project?rev=97904&view=rev
> Log:
> Add load hint instruction intrinsic.
Nice,
> /* Type defines. */
> typedef double __v2df __attribute__ ((__vector_size__ (16)));
> +typedef long long __v2di __attribute__ ((__vector_size__ (16)));
The pattern used in xmmintrin.h is to put these typedefs inside the function
that uses them, e.g.:
static inline __m128 __attribute__((__always_inline__, __nodebug__))
_mm_andnot_ps(__m128 a, __m128 b)
{
typedef int __v4si __attribute__((__vector_size__(16)));
return (__m128)(~(__v4si)a & (__v4si)b);
}
-Chris
>
> /* SSE4 Rounding macros. */
> #define _MM_FROUND_TO_NEAREST_INT 0x00
> @@ -122,6 +123,13 @@
> #define _mm_dp_ps(X, Y, M) __builtin_ia32_dpps ((X), (Y), (M))
> #define _mm_dp_pd(X, Y, M) __builtin_ia32_dppd ((X), (Y), (M))
>
> +/* SSE4 Streaming Load Hint Instruction. */
> +static inline __m128i __attribute__((__always_inline__, __nodebug__))
> +_mm_stream_load_si128 (__m128i *__V)
> +{
> + return (__m128i) __builtin_ia32_movntdqa ((__v2di *) __V);
> +}
> +
> #endif /* __SSE4_1__ */
>
> #endif /* _SMMINTRIN_H */
>
>
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