#ifndef GRID_VINTEGER_H
#define GRID_VINTEGER_H
namespace Grid {
class vInteger {
protected:
public:
ivec v;
typedef ivec vector_type;
typedef Integer scalar_type;
vInteger(){};
vInteger & operator = (const Zero & z){
vzero(*this);
return (*this);
}
vInteger(Integer a){
vsplat(*this,a);
};
////////////////////////////////////
// Arithmetic operator overloads +,-,*
////////////////////////////////////
friend inline vInteger operator + ( vInteger a, vInteger b)
{
vInteger ret;
#if defined (AVX1)
__m128i a0,a1;
__m128i b0,b1;
a0 = _mm256_extractf128_si256(a.v,0);
b0 = _mm256_extractf128_si256(b.v,0);
a1 = _mm256_extractf128_si256(a.v,1);
b1 = _mm256_extractf128_si256(b.v,1);
a0 = _mm_add_epi32(a0,b0);
a1 = _mm_add_epi32(a1,b1);
ret.v = _mm256_set_m128i(a1,a0);
#endif
#if defined (AVX2)
ret.v = _mm256_add_epi32(a.v,b.v);
#endif
#ifdef SSE4
ret.v = _mm_add_epi32(a.v,b.v);
#endif
#ifdef AVX512
ret.v = _mm512_add_epi32(a.v,b.v);
#endif
#ifdef QPX
// Implement as array of ints is only option
#error
#endif
return ret;
};
friend inline vInteger operator - ( vInteger a, vInteger b)
{
vInteger ret;
#if defined (AVX1)
__m128i a0,a1;
__m128i b0,b1;
a0 = _mm256_extractf128_si256(a.v,0);
b0 = _mm256_extractf128_si256(b.v,0);
a1 = _mm256_extractf128_si256(a.v,1);
b1 = _mm256_extractf128_si256(b.v,1);
a0 = _mm_sub_epi32(a0,b0);
a1 = _mm_sub_epi32(a1,b1);
ret.v = _mm256_set_m128i(a1,a0);
#endif
#if defined (AVX2)
ret.v = _mm256_sub_epi32(a.v,b.v);
#endif
#ifdef SSE4
ret.v = _mm_sub_epi32(a.v,b.v);
#endif
#ifdef AVX512
ret.v = _mm512_sub_epi32(a.v,b.v);
#endif
#ifdef QPX
// Implement as array of ints is only option
#error
#endif
return ret;
};
friend inline vInteger operator * ( vInteger a, vInteger b)
{
vInteger ret;
#if defined (AVX1)
__m128i a0,a1;
__m128i b0,b1;
a0 = _mm256_extractf128_si256(a.v,0);
b0 = _mm256_extractf128_si256(b.v,0);
a1 = _mm256_extractf128_si256(a.v,1);
b1 = _mm256_extractf128_si256(b.v,1);
a0 = _mm_mul_epi32(a0,b0);
a1 = _mm_mul_epi32(a1,b1);
ret.v = _mm256_set_m128i(a1,a0);
#endif
#if defined (AVX2)
ret.v = _mm256_mul_epi32(a.v,b.v);
#endif
#ifdef SSE4
ret.v = _mm_mul_epi32(a.v,b.v);
#endif
#ifdef AVX512
// ret.v = _mm512_mul_epi32(a.v,b.v);
ret.v = _mm512_mullo_epi32(a.v,b.v);
#endif
#ifdef QPX
// Implement as array of ints is only option
#error
#endif
return ret;
};
///////////////////////////////////////////////
// mult, sub, add, adj,conjugate, mac functions
///////////////////////////////////////////////
friend inline void mult(vInteger * __restrict__ y,const vInteger * __restrict__ l,const vInteger *__restrict__ r) {*y = (*l) * (*r);}
friend inline void sub (vInteger * __restrict__ y,const vInteger * __restrict__ l,const vInteger *__restrict__ r) {*y = (*l) - (*r);}
friend inline void add (vInteger * __restrict__ y,const vInteger * __restrict__ l,const vInteger *__restrict__ r) {*y = (*l) + (*r);}
friend inline void mac (vInteger &y,const vInteger a,const vInteger x){
y = a*x+y;
}
//////////////////////////////////
// Initialise to 1,0,i
//////////////////////////////////
friend inline void vone (vInteger &ret){vsplat(ret,1);}
friend inline void vzero(vInteger &ret){vsplat(ret,0);}
friend inline void vtrue (vInteger &ret){vsplat(ret,0xFFFFFFFF);}
friend inline void vfalse(vInteger &ret){vsplat(ret,0);}
/////////////////////////////////////////////////////
// Broadcast a value across Nsimd copies.
/////////////////////////////////////////////////////
friend inline void vsplat(vInteger &ret,scalar_type a){
#if defined (AVX1)|| defined (AVX2)
ret.v = _mm256_set1_epi32(a);
#endif
#ifdef SSE4
ret.v = _mm_set1_epi32(a);
#endif
#ifdef AVX512
ret.v = _mm512_set1_epi32(a);
#endif
#ifdef QPX
#error
#endif
}
friend inline void vset(vInteger &ret,scalar_type *a){
#if defined (AVX1)|| defined (AVX2)
ret.v = _mm256_set_epi32(a[7],a[6],a[5],a[4],a[3],a[2],a[1],a[0]);
#endif
#ifdef SSE4
ret.v = _mm_set_epi32(a[0],a[1],a[2],a[3]);
#endif
#ifdef AVX512
ret.v = _mm512_set_epi32( a[15],a[14],a[13],a[12],a[11],a[10],a[9],a[8],
a[7],a[6],a[5],a[4],a[3],a[2],a[1],a[0]);
#endif
#ifdef QPX
#error
#endif
}
friend inline void vstore(const vInteger &ret, Integer *a){
#if defined (AVX1)|| defined (AVX2)
_mm256_store_si256((__m256i*)a,ret.v);
#endif
#ifdef SSE4
_mm_store_si128((__m128i *)a,ret.v);
#endif
#ifdef AVX512
_mm512_store_si512(a,ret.v);
#endif
#ifdef QPX
assert(0);
#endif
}
friend inline void vstream(vInteger & out,const vInteger &in){
out=in;
}
friend inline void prefetch(const vInteger &v)
{
_mm_prefetch((const char*)&v.v,_MM_HINT_T0);
}
// Unary negation
friend inline vInteger operator -(const vInteger &r) {
vInteger ret;
vzero(ret);
ret = ret - r;
return ret;
}
friend inline Integer Reduce(const vInteger & in)
{
// unimplemented
assert(0);
}
// *=,+=,-= operators
inline vInteger &operator *=(const vInteger &r) {
*this = (*this)*r;
return *this;
}
inline vInteger &operator +=(const vInteger &r) {
*this = *this+r;
return *this;
}
inline vInteger &operator -=(const vInteger &r) {
*this = *this-r;
return *this;
}
friend inline void permute(vInteger &y,const vInteger b,int perm)
{
Gpermute<vInteger>(y,b,perm);
}
/*
friend inline void merge(vInteger &y,std::vector<Integer *> &extracted)
{
Gmerge<vInteger,Integer>(y,extracted);
}
friend inline void extract(const vInteger &y,std::vector<Integer *> &extracted)
{
Gextract<vInteger,Integer>(y,extracted);
}
friend inline void merge(vInteger &y,std::vector<Integer> &extracted)
{
Gmerge<vInteger,Integer>(y,extracted);
}
friend inline void extract(const vInteger &y,std::vector<Integer> &extracted)
{
Gextract<vInteger,Integer>(y,extracted);
}
*/
public:
static inline int Nsimd(void) { return sizeof(ivec)/sizeof(Integer);}
};
inline vInteger localInnerProduct(const vInteger & l, const vInteger & r) { return l*r; }
inline void zeroit(vInteger &z){ vzero(z);}
inline vInteger outerProduct(const vInteger &l, const vInteger& r)
{
return l*r;
}
}
#endif