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Included Gpermute in the new Grid_simd.h file style.

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Now tested for SSE4. OK
This commit is contained in:
neo
2015-05-27 12:11:44 +09:00
parent 3cb34af82c
commit 64753ea633
6 changed files with 99 additions and 56 deletions
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32
lib/simd/Grid_sse4.h
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@ -4,7 +4,7 @@
Using intrinsics
*/
// Time-stamp: <2015-05-21 18:06:30 neo>
// Time-stamp: <2015-05-27 12:02:07 neo>
//----------------------------------------------------------------------
#include <pmmintrin.h>
@ -221,7 +221,7 @@ namespace Optimization {
};
//////////////////////////////////////////////
@ -277,6 +277,10 @@ namespace Optimization {
assert(0);
}
}
@ -289,6 +293,28 @@ namespace Grid {
typedef __m128i SIMD_Itype; // Integer type
inline void v_prefetch0(int size, const char *ptr){}; // prefetch utilities
// Gpermute function
template < typename VectorSIMD >
inline void Gpermute(VectorSIMD &y,const VectorSIMD &b, int perm ) {
union {
__m128 f;
decltype(VectorSIMD::v) v;
} conv;
conv.v = b.v;
switch(perm){
case 3: break; //empty for SSE4
case 2: break; //empty for SSE4
case 1: conv.f = _mm_shuffle_ps(conv.f,conv.f,_MM_SHUFFLE(2,3,0,1)); break;
case 0: conv.f = _mm_shuffle_ps(conv.f,conv.f,_MM_SHUFFLE(1,0,3,2)); break;
default: assert(0); break;
}
y.v=conv.v;
};
// Function name aliases
typedef Optimization::Vsplat VsplatSIMD;
typedef Optimization::Vstore VstoreSIMD;
@ -296,6 +322,8 @@ namespace Grid {
typedef Optimization::Vstream VstreamSIMD;
template <typename S, typename T> using ReduceSIMD = Optimization::Reduce<S,T>;
// Arithmetic operations
typedef Optimization::Sum SumSIMD;