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Rotate support

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paboyle 2016-04-19 22:23:51 +01:00
parent c323425496
commit f473919526
1 changed files with 105 additions and 0 deletions
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105
lib/simd/Grid_avx.h
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@ -437,6 +437,111 @@ namespace Optimization {
};
#if defined (AVX2) || defined (AVXFMA4)
#define _mm256_alignr_epi32(ret,a,b,n) ret= _mm256_alignr_epi8(a,b,(n*4)%16)
#define _mm256_alignr_epi64(ret,a,b,n) ret= _mm256_alignr_epi8(a,b,(n*8)%16)
#endif
#if defined (AVX1)
#define _mm256_alignr_epi32(ret,a,b,n) { \
__m128 aa, bb; \
\
aa = _mm256_extractf128_ps(a,1); \
bb = _mm256_extractf128_ps(b,1); \
aa = _mm_alignr_epi8(aa,bb,(n*4)%16); \
ret = _mm256_insertf128_ps(ret,aa,1); \
\
aa = _mm256_extractf128_ps(a,0); \
bb = _mm256_extractf128_ps(b,0); \
aa = _mm_alignr_epi8(aa,bb,(n*4)%16); \
ret = _mm256_insertf128_ps(ret,aa,0); \
}
#define _mm256_alignr_epi64(ret,a,b,n) { \
__m128 aa, bb; \
\
aa = _mm256_extractf128_pd(a,1); \
bb = _mm256_extractf128_pd(b,1); \
aa = _mm_alignr_epi8(aa,bb,(n*8)%16); \
ret = _mm256_insertf128_pd(ret,aa,1); \
\
aa = _mm256_extractf128_pd(a,0); \
bb = _mm256_extractf128_pd(b,0); \
aa = _mm_alignr_epi8(aa,bb,(n*8)%16); \
ret = _mm256_insertf128_pd(ret,aa,0); \
}
#endif
inline std::ostream & operator << (std::ostream& stream, const __m256 a)
{
const float *p=(const float *)&a;
stream<< "{"<<p[0]<<","<<p[1]<<","<<p[2]<<","<<p[3]<<","<<p[4]<<","<<p[5]<<","<<p[6]<<","<<p[7]<<"}";
return stream;
};
inline std::ostream & operator<< (std::ostream& stream, const __m256d a)
{
const double *p=(const double *)&a;
stream<< "{"<<p[0]<<","<<p[1]<<","<<p[2]<<","<<p[3]<<"}";
return stream;
};
struct Rotate{
static inline __m256 rotate(__m256 in,int n){
switch(n){
case 0: return tRotate<0>(in);break;
case 1: return tRotate<1>(in);break;
case 2: return tRotate<2>(in);break;
case 3: return tRotate<3>(in);break;
case 4: return tRotate<4>(in);break;
case 5: return tRotate<5>(in);break;
case 6: return tRotate<6>(in);break;
case 7: return tRotate<7>(in);break;
default: assert(0);
}
}
static inline __m256d rotate(__m256d in,int n){
switch(n){
case 0: return tRotate<0>(in);break;
case 1: return tRotate<1>(in);break;
case 2: return tRotate<2>(in);break;
case 3: return tRotate<3>(in);break;
default: assert(0);
}
}
template<int n>
static inline __m256 tRotate(__m256 in){
__m256 tmp = Permute::Permute0(in);
__m256 ret;
if ( n > 3 ) {
_mm256_alignr_epi32(ret,in,tmp,n);
} else {
_mm256_alignr_epi32(ret,tmp,in,n);
}
// std::cout << " align epi32 n=" <<n<<" in "<<tmp<<in<<" -> "<< ret <<std::endl;
return ret;
};
template<int n>
static inline __m256d tRotate(__m256d in){
__m256d tmp = Permute::Permute0(in);
__m256d ret;
if ( n > 1 ) {
_mm256_alignr_epi64(ret,in,tmp,n);
} else {
_mm256_alignr_epi64(ret,tmp,in,n);
}
// std::cout << " align epi64 n=" <<n<<" in "<<tmp<<in<<" -> "<< ret <<std::endl;
return ret;
};
};
//Complex float Reduce
template<>