3dnow.h

Go to the documentation of this file.

#include <mm3dnow.h>
 
typedef float a2sf[2] __attribute__ ((aligned (16)));
typedef __m64 v2sf;
 
typedef int     a2si[2] __attribute__ ((aligned (16)));
typedef __m64 v2si;
 
#define SIMD_LOAD_V2SF(vec, f)                  \
                vec = *(const __m64 *) &(f)[0]
#define SIMD_LOAD_GENERIC_V2SF(vec, f0,f1)                      \
                do {\
                        a2sf __tmp;\
                        __tmp[0]=f0;\
                        __tmp[1]=f1;\
                        vec = *(const __m64 *) &(__tmp)[0];\
                        } while(0)
 
#define SIMD_STORE_V2SF(vec, f)                 \
                *(__m64 *)(&(f)[0]) = vec
 
#define SIMD_MULPS(vec1, vec2, vec3)            \
                vec1 = _m_pfmul(vec2, vec3)
 
#define SIMD_ADDPS(vec1, vec2, vec3)            \
                vec1 = _m_pfadd(vec2, vec3)
 
#define SIMD_SUBPS(vec1, vec2, vec3)            \
                vec1 = _m_pfsub(vec2, vec3)
 
/* should not be there :$ */
#define SIMD_ZERO_V4SF(vec) \
                SIMD_SUBPS(vec,vec,vec)
 
#define SIMD_UMINPS(vec1, vec2)                                 \
                do {                                                    \
                __m64 __pips_tmp;                               \
                __pips_tmp = _m_pxor(__pips_tmp, __pips_tmp);   \
                SIMD_SUBPS(vec1, __pips_tmp, vec2);             \
                } while(0)
 
#define SIMD_LOAD_V2SI_TO_V2SF(vec, f)          \
                do {                                    \
                float __pips_f[2];              \
                __pips_f[0] = (f)[0];           \
                __pips_f[1] = (f)[1];           \
                SIMD_LOAD_V2SF(vec, __pips_f);  \
                } while (0)