/***************************************************************************
Copyright (c) 2014, The OpenBLAS Project
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer in
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its contributors may be used to endorse or promote products
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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*****************************************************************************/


#define HAVE_KERNEL_4x8 1
static void sgemv_kernel_4x8( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, BLASLONG lda4, FLOAT *alpha) __attribute__ ((noinline));

static void sgemv_kernel_4x8( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, BLASLONG lda4, FLOAT *alpha)
{

	BLASLONG register i = 0;

	__asm__  __volatile__
	(
	"vzeroupper			 \n\t"
	"vbroadcastss    (%3), %%ymm12	 \n\t"	// x0 
	"vbroadcastss   4(%3), %%ymm13	 \n\t"	// x1 
	"vbroadcastss   8(%3), %%ymm14	 \n\t"	// x2 
	"vbroadcastss  12(%3), %%ymm15	 \n\t"	// x3 
	"vbroadcastss  16(%3), %%ymm0 	 \n\t"	// x4 
	"vbroadcastss  20(%3), %%ymm1 	 \n\t"	// x5 
	"vbroadcastss  24(%3), %%ymm2 	 \n\t"	// x6 
	"vbroadcastss  28(%3), %%ymm3 	 \n\t"	// x7 

	"vbroadcastss    (%9), %%ymm6 	 \n\t"	// alpha 

        "testq          $0x04, %1                      \n\t"
        "jz             2f                    \n\t"

	"vmovups	(%4,%0,4), %%xmm7	       \n\t"	// 4 * y
	"vxorps		%%xmm4 , %%xmm4, %%xmm4        \n\t"
	"vxorps		%%xmm5 , %%xmm5, %%xmm5        \n\t"

	"vfmadd231ps   (%5,%0,4), %%xmm12, %%xmm4      \n\t" 
	"vfmadd231ps   (%6,%0,4), %%xmm13, %%xmm5      \n\t" 
	"vfmadd231ps   (%7,%0,4), %%xmm14, %%xmm4      \n\t" 
	"vfmadd231ps   (%8,%0,4), %%xmm15, %%xmm5      \n\t" 

	"vfmadd231ps   (%5,%2,4), %%xmm0 , %%xmm4      \n\t" 
	"vfmadd231ps   (%6,%2,4), %%xmm1 , %%xmm5      \n\t" 
	"vfmadd231ps   (%7,%2,4), %%xmm2 , %%xmm4      \n\t" 
	"vfmadd231ps   (%8,%2,4), %%xmm3 , %%xmm5      \n\t" 

	"vaddps		%%xmm4 , %%xmm5 , %%xmm5       \n\t"
	"vmulps		%%xmm6 , %%xmm5 , %%xmm5       \n\t"
	"vaddps		%%xmm7 , %%xmm5 , %%xmm5       \n\t"

	"vmovups  %%xmm5,   (%4,%0,4)		       \n\t"	// 4 * y

        "addq		$4 , %2	  	 	       \n\t"
        "addq		$4 , %0	  	 	       \n\t"
	"subq	        $4 , %1			       \n\t"		

        "2:                                  \n\t"

        "testq          $0x08, %1                      \n\t"
        "jz             3f                    \n\t"

	"vmovups	(%4,%0,4), %%ymm7	       \n\t"	// 8 * y
	"vxorps		%%ymm4 , %%ymm4, %%ymm4        \n\t"
	"vxorps		%%ymm5 , %%ymm5, %%ymm5        \n\t"

	"vfmadd231ps   (%5,%0,4), %%ymm12, %%ymm4      \n\t" 
	"vfmadd231ps   (%6,%0,4), %%ymm13, %%ymm5      \n\t" 
	"vfmadd231ps   (%7,%0,4), %%ymm14, %%ymm4      \n\t" 
	"vfmadd231ps   (%8,%0,4), %%ymm15, %%ymm5      \n\t" 

	"vfmadd231ps   (%5,%2,4), %%ymm0 , %%ymm4      \n\t" 
	"vfmadd231ps   (%6,%2,4), %%ymm1 , %%ymm5      \n\t" 
	"vfmadd231ps   (%7,%2,4), %%ymm2 , %%ymm4      \n\t" 
	"vfmadd231ps   (%8,%2,4), %%ymm3 , %%ymm5      \n\t" 

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


	"vmovups  %%ymm5,   (%4,%0,4)		       \n\t"	// 8 * y

        "addq		$8 , %2	  	 	       \n\t"
        "addq		$8 , %0	  	 	       \n\t"
	"subq	        $8 , %1			       \n\t"		

        "3:                                  \n\t"

        "cmpq           $0, %1                         \n\t"
        "je             4f                      \n\t"


	//	".align 16				 \n\t"
	"1:				 \n\t"

	"vxorps		%%ymm4 , %%ymm4, %%ymm4        \n\t"
	"vxorps		%%ymm5 , %%ymm5, %%ymm5        \n\t"
	"vmovups	(%4,%0,4), %%ymm8	       \n\t"	// 8 * y
	"vmovups      32(%4,%0,4), %%ymm9	       \n\t"	// 8 * y

	"vfmadd231ps   (%5,%0,4), %%ymm12, %%ymm4      \n\t" 
	"vfmadd231ps 32(%5,%0,4), %%ymm12, %%ymm5      \n\t" 
	"vfmadd231ps   (%6,%0,4), %%ymm13, %%ymm4      \n\t" 
	"vfmadd231ps 32(%6,%0,4), %%ymm13, %%ymm5      \n\t" 
	"vfmadd231ps   (%7,%0,4), %%ymm14, %%ymm4      \n\t" 
	"vfmadd231ps 32(%7,%0,4), %%ymm14, %%ymm5      \n\t" 
	"vfmadd231ps   (%8,%0,4), %%ymm15, %%ymm4      \n\t" 
	"vfmadd231ps 32(%8,%0,4), %%ymm15, %%ymm5      \n\t" 

	"vfmadd231ps   (%5,%2,4), %%ymm0 , %%ymm4      \n\t" 
        "addq		$16, %0	  	 	       \n\t"
	"vfmadd231ps 32(%5,%2,4), %%ymm0 , %%ymm5      \n\t" 
	"vfmadd231ps   (%6,%2,4), %%ymm1 , %%ymm4      \n\t" 
	"vfmadd231ps 32(%6,%2,4), %%ymm1 , %%ymm5      \n\t" 
	"vfmadd231ps   (%7,%2,4), %%ymm2 , %%ymm4      \n\t" 
	"vfmadd231ps 32(%7,%2,4), %%ymm2 , %%ymm5      \n\t" 
	"vfmadd231ps   (%8,%2,4), %%ymm3 , %%ymm4      \n\t" 
	"vfmadd231ps 32(%8,%2,4), %%ymm3 , %%ymm5      \n\t" 

	"vfmadd231ps     %%ymm6 , %%ymm4 , %%ymm8      \n\t"
	"vfmadd231ps     %%ymm6 , %%ymm5 , %%ymm9      \n\t"

        "addq		$16, %2	  	 	      \n\t"
	"vmovups  %%ymm8,-64(%4,%0,4)		      \n\t"	// 8 * y
	"subq	        $16, %1			      \n\t"		
	"vmovups  %%ymm9,-32(%4,%0,4)		      \n\t"	// 8 * y

	"jnz		1b		      \n\t"

        "4:                             \n\t"
	"vzeroupper			        \n\t"

	:
          "+r" (i),	// 0	
	  "+r" (n),  	// 1
          "+r" (lda4)   // 2
        :  
	  "r" (x),      // 3
          "r" (y),      // 4
          "r" (ap[0]),  // 5
          "r" (ap[1]),  // 6
          "r" (ap[2]),  // 7
          "r" (ap[3]),  // 8
          "r" (alpha)   // 9
	: "cc", 
	  "%xmm0", "%xmm1", "%xmm2", "%xmm3",
	  "%xmm4", "%xmm5", "%xmm6", "%xmm7",
	  "%xmm8", "%xmm9", "%xmm10", "%xmm11",
	  "%xmm12", "%xmm13", "%xmm14", "%xmm15",
	  "memory"
	);

} 


#define HAVE_KERNEL_4x4 1
static void sgemv_kernel_4x4( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT *alpha) __attribute__ ((noinline));

static void sgemv_kernel_4x4( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT *alpha)
{

	BLASLONG register i = 0;

	__asm__  __volatile__
	(
	"vzeroupper			 \n\t"
	"vbroadcastss    (%2), %%ymm12	 \n\t"	// x0 
	"vbroadcastss   4(%2), %%ymm13	 \n\t"	// x1 
	"vbroadcastss   8(%2), %%ymm14	 \n\t"	// x2 
	"vbroadcastss  12(%2), %%ymm15	 \n\t"	// x3 

	"vbroadcastss    (%8), %%ymm6 	 \n\t"	// alpha 


        "testq          $0x04, %1                      \n\t"
        "jz             2f                    \n\t"

	"vxorps		%%ymm4 , %%ymm4, %%ymm4        \n\t"
	"vxorps		%%ymm5 , %%ymm5, %%ymm5        \n\t"
	"vmovups	(%3,%0,4), %%xmm7	       \n\t"	// 4 * y

	"vfmadd231ps   (%4,%0,4), %%xmm12, %%xmm4      \n\t" 
	"vfmadd231ps   (%5,%0,4), %%xmm13, %%xmm5      \n\t" 
	"vfmadd231ps   (%6,%0,4), %%xmm14, %%xmm4      \n\t" 
	"vfmadd231ps   (%7,%0,4), %%xmm15, %%xmm5      \n\t" 

	"vaddps		%%xmm4 , %%xmm5 , %%xmm5       \n\t"
	"vmulps		%%xmm6 , %%xmm5 , %%xmm5       \n\t"
	"vaddps		%%xmm7 , %%xmm5 , %%xmm5       \n\t"

	"vmovups  %%xmm5,   (%3,%0,4)		       \n\t"	// 4 * y

        "addq		$4 , %0	  	 	       \n\t"
	"subq	        $4 , %1			       \n\t"		

        "2:                                  \n\t"

        "testq          $0x08, %1                      \n\t"
        "jz             3f                    \n\t"

	"vxorps		%%ymm4 , %%ymm4, %%ymm4        \n\t"
	"vxorps		%%ymm5 , %%ymm5, %%ymm5        \n\t"
	"vmovups	(%3,%0,4), %%ymm7	       \n\t"	// 8 * y

	"vfmadd231ps   (%4,%0,4), %%ymm12, %%ymm4      \n\t" 
	"vfmadd231ps   (%5,%0,4), %%ymm13, %%ymm5      \n\t" 
	"vfmadd231ps   (%6,%0,4), %%ymm14, %%ymm4      \n\t" 
	"vfmadd231ps   (%7,%0,4), %%ymm15, %%ymm5      \n\t" 

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

	"vmovups  %%ymm5,   (%3,%0,4)		       \n\t"	// 8 * y

        "addq		$8 , %0	  	 	       \n\t"
	"subq	        $8 , %1			       \n\t"		

        "3:                                  \n\t"

        "cmpq           $0, %1                         \n\t"
        "je             4f                      \n\t"


	//	".align 16				 \n\t"
	"1:				 \n\t"
	"vxorps		%%ymm4 , %%ymm4, %%ymm4        \n\t"
	"vxorps		%%ymm5 , %%ymm5, %%ymm5        \n\t"
	"vmovups	(%3,%0,4), %%ymm8	 \n\t"	// 8 * y
	"vmovups      32(%3,%0,4), %%ymm9	 \n\t"	// 8 * y

	"vfmadd231ps   (%4,%0,4), %%ymm12, %%ymm4      \n\t" 
	"vfmadd231ps 32(%4,%0,4), %%ymm12, %%ymm5      \n\t" 
	"vfmadd231ps   (%5,%0,4), %%ymm13, %%ymm4      \n\t" 
	"vfmadd231ps 32(%5,%0,4), %%ymm13, %%ymm5      \n\t" 
	"vfmadd231ps   (%6,%0,4), %%ymm14, %%ymm4      \n\t" 
	"vfmadd231ps 32(%6,%0,4), %%ymm14, %%ymm5      \n\t" 
	"vfmadd231ps   (%7,%0,4), %%ymm15, %%ymm4      \n\t" 
	"vfmadd231ps 32(%7,%0,4), %%ymm15, %%ymm5      \n\t" 

	"vfmadd231ps     %%ymm6 , %%ymm4 , %%ymm8      \n\t"
	"vfmadd231ps     %%ymm6 , %%ymm5 , %%ymm9      \n\t"

	"vmovups  %%ymm8,   (%3,%0,4)		      \n\t"	// 8 * y
	"vmovups  %%ymm9, 32(%3,%0,4)		      \n\t"	// 8 * y

        "addq		$16, %0	  	 	      \n\t"
	"subq	        $16, %1			      \n\t"		
	"jnz		1b		      \n\t"

        "4:                             \n\t"
	"vzeroupper			 \n\t"

	:
          "+r" (i),	// 0	
	  "+r" (n)  	// 1
	:
          "r" (x),      // 2
          "r" (y),      // 3
          "r" (ap[0]),  // 4
          "r" (ap[1]),  // 5
          "r" (ap[2]),  // 6
          "r" (ap[3]),  // 7
          "r" (alpha)   // 8
	: "cc", 
	  "%xmm0", "%xmm1", "%xmm2", "%xmm3",
	  "%xmm4", "%xmm5", "%xmm6", "%xmm7",
	  "%xmm8", "%xmm9", "%xmm10", "%xmm11",
	  "%xmm12", "%xmm13", "%xmm14", "%xmm15",
	  "memory"
	);

} 


