/***************************************************************************
Copyright (c) 2014, The OpenBLAS Project
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*****************************************************************************/

#define HAVE_KERNEL_16 1
static void cdot_kernel_16( BLASLONG n, FLOAT *x, FLOAT *y , FLOAT *dot) __attribute__ ((noinline));

static void cdot_kernel_16( BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *dot)
{


	BLASLONG register i = 0;

	__asm__  __volatile__
	(
	"vzeroupper					     \n\t"
	"vxorps		%%ymm0, %%ymm0, %%ymm0	             \n\t"
	"vxorps		%%ymm1, %%ymm1, %%ymm1	             \n\t"
	"vxorps		%%ymm2, %%ymm2, %%ymm2	             \n\t"
	"vxorps		%%ymm3, %%ymm3, %%ymm3	             \n\t"
	"vxorps		%%ymm4, %%ymm4, %%ymm4	             \n\t"
	"vxorps		%%ymm5, %%ymm5, %%ymm5	             \n\t"
	"vxorps		%%ymm6, %%ymm6, %%ymm6	             \n\t"
	"vxorps		%%ymm7, %%ymm7, %%ymm7	             \n\t"

	".p2align 4			             \n\t"
	"1:				             \n\t"
        "vmovups                  (%2,%0,4), %%ymm8          \n\t"  // 2 * x
        "vmovups                32(%2,%0,4), %%ymm9          \n\t"  // 2 * x

        "vmovups                  (%3,%0,4), %%ymm12         \n\t"  // 2 * y
        "vmovups                32(%3,%0,4), %%ymm13         \n\t"  // 2 * y

        "vmovups                64(%3,%0,4), %%ymm14         \n\t"  // 2 * y
        "vmovups                96(%3,%0,4), %%ymm15         \n\t"  // 2 * y

	"vmulps		   %%ymm8 , %%ymm12, %%ymm10	\n\t"
	"vmulps		   %%ymm9 , %%ymm13, %%ymm11	\n\t"
	"vpermilps      $0xb1 , %%ymm12, %%ymm12               \n\t"
	"vpermilps      $0xb1 , %%ymm13, %%ymm13               \n\t"
	"vaddps		   %%ymm0 , %%ymm10, %%ymm0	\n\t"
	"vaddps		   %%ymm1 , %%ymm11, %%ymm1	\n\t"
	"vmulps		   %%ymm8 , %%ymm12, %%ymm10	\n\t"
	"vmulps		   %%ymm9 , %%ymm13, %%ymm11	\n\t"

        "vmovups                64(%2,%0,4), %%ymm8         \n\t"  // 2 * x
        "vmovups                96(%2,%0,4), %%ymm9         \n\t"  // 2 * x

	"vaddps		   %%ymm4 , %%ymm10, %%ymm4	\n\t"
	"vaddps		   %%ymm5 , %%ymm11, %%ymm5	\n\t"

	"vmulps		   %%ymm8 , %%ymm14, %%ymm10	\n\t"
	"vmulps		   %%ymm9 , %%ymm15, %%ymm11	\n\t"
	"vpermilps      $0xb1 , %%ymm14, %%ymm14               \n\t"
	"vpermilps      $0xb1 , %%ymm15, %%ymm15               \n\t"
	"vaddps		   %%ymm2 , %%ymm10, %%ymm2	\n\t"
	"vaddps		   %%ymm3 , %%ymm11, %%ymm3	\n\t"
	"vmulps		   %%ymm8 , %%ymm14, %%ymm10	\n\t"
	"vmulps		   %%ymm9 , %%ymm15, %%ymm11	\n\t"
	"addq		$32 , %0	  	 	             \n\t"
	"subq	        $16 , %1			             \n\t"		
	"vaddps		   %%ymm6 , %%ymm10, %%ymm6	\n\t"
	"vaddps		   %%ymm7 , %%ymm11, %%ymm7	\n\t"

	"jnz		1b		             \n\t"

	"vaddps        %%ymm0, %%ymm1, %%ymm0	\n\t"
	"vaddps        %%ymm2, %%ymm3, %%ymm2	\n\t"
	"vaddps        %%ymm0, %%ymm2, %%ymm0	\n\t"

	"vaddps        %%ymm4, %%ymm5, %%ymm4	\n\t"
	"vaddps        %%ymm6, %%ymm7, %%ymm6	\n\t"
	"vaddps        %%ymm4, %%ymm6, %%ymm4	\n\t"

	"vextractf128 $1 , %%ymm0 , %%xmm1	\n\t"
	"vextractf128 $1 , %%ymm4 , %%xmm5	\n\t"

	"vaddps        %%xmm0, %%xmm1, %%xmm0	\n\t"
	"vaddps        %%xmm4, %%xmm5, %%xmm4	\n\t"

	"vmovups       %%xmm0,    (%4)		\n\t"
	"vmovups       %%xmm4,  16(%4)		\n\t"
	"vzeroupper					     \n\t"

	: 
          "+r" (i),	// 0	
	  "+r" (n)  	// 1
        :
          "r" (x),      // 2
          "r" (y),      // 3
          "r" (dot)     // 4
	: "cc", 
	  "%xmm0", "%xmm1", "%xmm2", "%xmm3", 
	  "%xmm4", "%xmm5", "%xmm6", "%xmm7", 
	  "%xmm8", "%xmm9", "%xmm10", "%xmm11",
	  "%xmm12", "%xmm13", "%xmm14", "%xmm15",
	  "memory"
	);



} 


