OpenBLAS/kernel/x86_64/dscal_microk_sandy-2.c

/***************************************************************************
Copyright (c) 2014-2015, The OpenBLAS Project
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#define HAVE_KERNEL_8 1

static void dscal_kernel_8( BLASLONG n, FLOAT *alpha, FLOAT *x) __attribute__ ((noinline));

static void dscal_kernel_8( BLASLONG n, FLOAT *alpha, FLOAT *x)
{


	BLASLONG n1 = n >> 4 ;
	BLASLONG n2 = n & 8   ;

	__asm__  __volatile__
	(
	"vmovddup		(%2), %%xmm0		    \n\t"  // alpha	

	"addq	$128, %1				    \n\t"

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

	"vmulpd 	-128(%1), %%xmm0, %%xmm4	    \n\t"
	"vmulpd 	-112(%1), %%xmm0, %%xmm5	    \n\t"
	"vmulpd 	 -96(%1), %%xmm0, %%xmm6	    \n\t"
	"vmulpd 	 -80(%1), %%xmm0, %%xmm7	    \n\t"

	"vmulpd 	 -64(%1), %%xmm0, %%xmm8	    \n\t"
	"vmulpd 	 -48(%1), %%xmm0, %%xmm9	    \n\t"
	"vmulpd 	 -32(%1), %%xmm0, %%xmm10    	    \n\t"
	"vmulpd 	 -16(%1), %%xmm0, %%xmm11           \n\t"

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

	".p2align 4				            \n\t"
	"1:				            	    \n\t"
	"prefetcht0     640(%1)				    \n\t" 

	"vmovups	%%xmm4  ,-128(%1)		    \n\t"
	"vmovups	%%xmm5  ,-112(%1)		    \n\t"
	"vmulpd 	   0(%1), %%xmm0, %%xmm4	    \n\t"
	"vmovups	%%xmm6  , -96(%1)		    \n\t"
	"vmulpd 	  16(%1), %%xmm0, %%xmm5	    \n\t"
	"vmovups	%%xmm7  , -80(%1)		    \n\t"
	"vmulpd 	  32(%1), %%xmm0, %%xmm6	    \n\t"

	"prefetcht0     704(%1)				    \n\t" 

	"vmovups	%%xmm8  , -64(%1)		    \n\t"
	"vmulpd 	  48(%1), %%xmm0, %%xmm7	    \n\t"
	"vmovups	%%xmm9  , -48(%1)		    \n\t"
	"vmulpd 	  64(%1), %%xmm0, %%xmm8	    \n\t"
	"vmovups	%%xmm10 , -32(%1)		    \n\t"
	"vmulpd 	  80(%1), %%xmm0, %%xmm9	    \n\t"
	"vmovups	%%xmm11 , -16(%1)		    \n\t"

	"vmulpd 	  96(%1), %%xmm0, %%xmm10    	    \n\t"
	"vmulpd 	 112(%1), %%xmm0, %%xmm11           \n\t"


	"addq		$128, %1	  	 	    \n\t"
	"subq	        $1 , %0			            \n\t"		
	"jnz		1b		             	    \n\t"

	"2:				            	    \n\t"
 
	"vmovups	%%xmm4  ,-128(%1)		    \n\t"
	"vmovups	%%xmm5  ,-112(%1)		    \n\t"
	"vmovups	%%xmm6  , -96(%1)		    \n\t"
	"vmovups	%%xmm7  , -80(%1)		    \n\t"

	"vmovups	%%xmm8  , -64(%1)		    \n\t"
	"vmovups	%%xmm9  , -48(%1)		    \n\t"
	"vmovups	%%xmm10 , -32(%1)		    \n\t"
	"vmovups	%%xmm11 , -16(%1)		    \n\t"

	"addq		$128, %1	  	 	    \n\t"

	"4:				            	    \n\t"

	"cmpq	$8  ,%3					    \n\t"
	"jne	5f					    \n\t"

	"vmulpd	    -128(%1), %%xmm0, %%xmm4	    \n\t"
	"vmulpd	    -112(%1), %%xmm0, %%xmm5	    \n\t"
	"vmulpd	     -96(%1), %%xmm0, %%xmm6     	    \n\t"
	"vmulpd	     -80(%1), %%xmm0, %%xmm7     	    \n\t"

	"vmovups	%%xmm4  ,-128(%1)		    \n\t"
	"vmovups	%%xmm5  ,-112(%1)		    \n\t"
	"vmovups	%%xmm6  , -96(%1)		    \n\t"
	"vmovups	%%xmm7  , -80(%1)		    \n\t"

	"5:						    \n\t"

	"vzeroupper					    \n\t"

	:
	  "+r" (n1),  	// 0
          "+r" (x)      // 1
	:
          "r" (alpha),  // 2
	  "r" (n2)   	// 3
	: "cc", 
	  "%xmm0", "%xmm1", "%xmm2", "%xmm3", 
	  "%xmm4", "%xmm5", "%xmm6", "%xmm7", 
	  "%xmm8", "%xmm9", "%xmm10", "%xmm11", 
	  "%xmm12", "%xmm13", "%xmm14", "%xmm15",
	  "memory"
	);

} 


static void dscal_kernel_8_zero( BLASLONG n, FLOAT *alpha, FLOAT *x) __attribute__ ((noinline));

static void dscal_kernel_8_zero( BLASLONG n, FLOAT *alpha, FLOAT *x)
{


	BLASLONG n1 = n >> 4 ;
	BLASLONG n2 = n & 8 ;

	__asm__  __volatile__
	(
	"vxorpd		%%xmm0, %%xmm0 , %%xmm0		    \n\t"  

	"addq	$128, %1				    \n\t"

	"cmpq 	$0, %0					    \n\t"
	"je	2f					    \n\t" 

	".p2align 4				            \n\t"
	"1:				            	    \n\t"

	"vmovups	%%xmm0  ,-128(%1)		    \n\t"
	"vmovups	%%xmm0  ,-112(%1)		    \n\t"
	"vmovups	%%xmm0  , -96(%1)		    \n\t"
	"vmovups	%%xmm0  , -80(%1)		    \n\t"

	"vmovups	%%xmm0  , -64(%1)		    \n\t"
	"vmovups	%%xmm0  , -48(%1)		    \n\t"
	"vmovups	%%xmm0  , -32(%1)		    \n\t"
	"vmovups	%%xmm0  , -16(%1)		    \n\t"

	"addq		$128, %1	  	 	    \n\t"
	"subq	        $1 , %0			            \n\t"		
	"jnz		1b		             	    \n\t"

	"2:				            	    \n\t"

	"cmpq	$8  ,%3					    \n\t"
	"jne	4f					    \n\t"

	"vmovups	%%xmm0  ,-128(%1)		    \n\t"
	"vmovups	%%xmm0  ,-112(%1)		    \n\t"
	"vmovups	%%xmm0  , -96(%1)		    \n\t"
	"vmovups	%%xmm0  , -80(%1)		    \n\t"

	"4:						    \n\t"

	"vzeroupper					    \n\t"

	: 
	  "+r" (n1),  	// 0
          "+r" (x)      // 1
	:
          "r" (alpha),  // 2
	  "r" (n2)   	// 3
	: "cc", 
	  "%xmm0", "%xmm1", "%xmm2", "%xmm3", 
	  "%xmm4", "%xmm5", "%xmm6", "%xmm7", 
	  "%xmm8", "%xmm9", "%xmm10", "%xmm11", 
	  "%xmm12", "%xmm13", "%xmm14", "%xmm15",
	  "memory"
	);

}