search for: halfblend

Displaying 1 result from an estimated 1 matches for "halfblend".

2012 Jul 06
2
[LLVMdev] Excessive register spilling in large automatically generated functions, such as is found in FFTW
...B _mm_sub_ps #define MULT _mm_mul_ps #define STREAM _mm_stream_ps #define SHUF _mm_shuffle_ps #define VLIT4(a,b,c,d) _mm_set_ps(a,b,c,d) #define SWAP(d) SHUF(d,d,_MM_SHUFFLE(2,3,0,1)) #define UNPACK2LO(a,b) SHUF(a,b,_MM_SHUFFLE(1,0,1,0)) #define UNPACK2HI(a,b) SHUF(a,b,_MM_SHUFFLE(3,2,3,2)) #define HALFBLEND(a,b) SHUF(a,b,_MM_SHUFFLE(3,2,1,0)) __INLINE void TX2(__m128 *a, __m128 *b) { __m128 TX2_t0 = UNPACK2LO(*a, *b); __m128 TX2_t1 = UNPACK2HI(*a,*b); *a = TX2_t0; *b = TX2_t1; } __INLINE void FMA(__m128 *Rd, __m128 Rn, __m128 Rm) { *Rd = ADD(*Rd, MULT(Rn,Rm)); } __INLINE void FMS(__m128 *Rd...