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impl_reference_simd4_float.h File Reference
#include "config.h"
#include <cassert>
#include <cmath>
#include <cstddef>
#include <cstdint>
#include <algorithm>
#include <array>
#include "impl_reference_definitions.h"
+ Include dependency graph for impl_reference_simd4_float.h:
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Description

Reference implementation, SIMD4 single precision.

Author
Erik Lindahl erik..nosp@m.lind.nosp@m.ahl@s.nosp@m.cili.nosp@m.felab.nosp@m..se

Classes

class  gmx::Simd4Float
 SIMD4 float type. More...
 
class  gmx::Simd4FBool
 SIMD4 variable type to use for logical comparisons on floats. More...
 

Functions

Constant width-4 single precision SIMD types and instructions
static Simd4Float gmx_simdcall gmx::load4 (const float *m)
 Load 4 float values from aligned memory into SIMD4 variable. More...
 
static void gmx_simdcall gmx::store4 (float *m, Simd4Float a)
 Store the contents of SIMD4 float to aligned memory m. More...
 
static Simd4Float gmx_simdcall gmx::load4U (const float *m)
 Load SIMD4 float from unaligned memory. More...
 
static void gmx_simdcall gmx::store4U (float *m, Simd4Float a)
 Store SIMD4 float to unaligned memory. More...
 
static Simd4Float gmx_simdcall gmx::simd4SetZeroF ()
 Set all SIMD4 float elements to 0. More...
 
static Simd4Float gmx_simdcall gmx::operator& (Simd4Float a, Simd4Float b)
 Bitwise and for two SIMD4 float variables. More...
 
static Simd4Float gmx_simdcall gmx::andNot (Simd4Float a, Simd4Float b)
 Bitwise andnot for two SIMD4 float variables. c=(~a) & b. More...
 
static Simd4Float gmx_simdcall gmx::operator| (Simd4Float a, Simd4Float b)
 Bitwise or for two SIMD4 floats. More...
 
static Simd4Float gmx_simdcall gmx::operator^ (Simd4Float a, Simd4Float b)
 Bitwise xor for two SIMD4 float variables. More...
 
static Simd4Float gmx_simdcall gmx::operator+ (Simd4Float a, Simd4Float b)
 Add two float SIMD4 variables. More...
 
static Simd4Float gmx_simdcall gmx::operator- (Simd4Float a, Simd4Float b)
 Subtract two SIMD4 variables. More...
 
static Simd4Float gmx_simdcall gmx::operator- (Simd4Float a)
 SIMD4 floating-point negate. More...
 
static Simd4Float gmx_simdcall gmx::operator* (Simd4Float a, Simd4Float b)
 Multiply two SIMD4 variables. More...
 
static Simd4Float gmx_simdcall gmx::fma (Simd4Float a, Simd4Float b, Simd4Float c)
 SIMD4 Fused-multiply-add. Result is a*b+c. More...
 
static Simd4Float gmx_simdcall gmx::fms (Simd4Float a, Simd4Float b, Simd4Float c)
 SIMD4 Fused-multiply-subtract. Result is a*b-c. More...
 
static Simd4Float gmx_simdcall gmx::fnma (Simd4Float a, Simd4Float b, Simd4Float c)
 SIMD4 Fused-negated-multiply-add. Result is -a*b+c. More...
 
static Simd4Float gmx_simdcall gmx::fnms (Simd4Float a, Simd4Float b, Simd4Float c)
 SIMD4 Fused-negated-multiply-subtract. Result is -a*b-c. More...
 
static Simd4Float gmx_simdcall gmx::rsqrt (Simd4Float x)
 SIMD4 1.0/sqrt(x) lookup. More...
 
static Simd4Float gmx_simdcall gmx::abs (Simd4Float a)
 SIMD4 Floating-point fabs(). More...
 
static Simd4Float gmx_simdcall gmx::max (Simd4Float a, Simd4Float b)
 Set each SIMD4 element to the largest from two variables. More...
 
static Simd4Float gmx_simdcall gmx::min (Simd4Float a, Simd4Float b)
 Set each SIMD4 element to the largest from two variables. More...
 
static Simd4Float gmx_simdcall gmx::round (Simd4Float a)
 SIMD4 Round to nearest integer value (in floating-point format). More...
 
static Simd4Float gmx_simdcall gmx::trunc (Simd4Float a)
 Truncate SIMD4, i.e. round towards zero - common hardware instruction. More...
 
static float gmx_simdcall gmx::dotProduct (Simd4Float a, Simd4Float b)
 Return dot product of two single precision SIMD4 variables. More...
 
static void gmx_simdcall gmx::transpose (Simd4Float *v0, Simd4Float *v1, Simd4Float *v2, Simd4Float *v3)
 SIMD4 float transpose. More...
 
static Simd4FBool gmx_simdcall gmx::operator== (Simd4Float a, Simd4Float b)
 a==b for SIMD4 float More...
 
static Simd4FBool gmx_simdcall gmx::operator!= (Simd4Float a, Simd4Float b)
 a!=b for SIMD4 float More...
 
static Simd4FBool gmx_simdcall gmx::operator< (Simd4Float a, Simd4Float b)
 a<b for SIMD4 float More...
 
static Simd4FBool gmx_simdcall gmx::operator<= (Simd4Float a, Simd4Float b)
 a<=b for SIMD4 float. More...
 
static Simd4FBool gmx_simdcall gmx::operator&& (Simd4FBool a, Simd4FBool b)
 Logical and on single precision SIMD4 booleans. More...
 
static Simd4FBool gmx_simdcall gmx::operator|| (Simd4FBool a, Simd4FBool b)
 Logical or on single precision SIMD4 booleans. More...
 
static bool gmx_simdcall gmx::anyTrue (Simd4FBool a)
 Returns non-zero if any of the boolean in SIMD4 a is True, otherwise 0. More...
 
static Simd4Float gmx_simdcall gmx::selectByMask (Simd4Float a, Simd4FBool mask)
 Select from single precision SIMD4 variable where boolean is true. More...
 
static Simd4Float gmx_simdcall gmx::selectByNotMask (Simd4Float a, Simd4FBool mask)
 Select from single precision SIMD4 variable where boolean is false. More...
 
static Simd4Float gmx_simdcall gmx::blend (Simd4Float a, Simd4Float b, Simd4FBool sel)
 Vector-blend SIMD4 selection. More...
 
static float gmx_simdcall gmx::reduce (Simd4Float a)
 Return sum of all elements in SIMD4 float variable. More...