OpenBLAS/kernel/x86_64/sscal_microk_haswell-2.c

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#define HAVE_KERNEL_16 1

static void sscal_kernel_16( BLASLONG n, FLOAT *alpha, FLOAT *x) __attribute__ ((noinline));

static void sscal_kernel_16( BLASLONG n, FLOAT *alpha, FLOAT *x)
{


	BLASLONG n1 = n >> 5 ;
	BLASLONG n2 = n & 16 ;

	__asm__  __volatile__
	(
	"vbroadcastss		(%2), %%ymm0		    \n\t"  // alpha

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

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

	"vmulps 	-128(%1), %%ymm0, %%ymm4	    \n\t"
	"vmulps 	 -96(%1), %%ymm0, %%ymm5	    \n\t"

	"vmulps 	 -64(%1), %%ymm0, %%ymm6	    \n\t"
	"vmulps 	 -32(%1), %%ymm0, %%ymm7	    \n\t"

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

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

	"vmovups	%%ymm4  ,-128(%1)		    \n\t"
	"vmovups	%%ymm5  , -96(%1)		    \n\t"
	"vmulps 	   0(%1), %%ymm0, %%ymm4	    \n\t"

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

	"vmovups	%%ymm6  , -64(%1)		    \n\t"
	"vmulps 	  32(%1), %%ymm0, %%ymm5	    \n\t"
	"vmovups	%%ymm7  , -32(%1)		    \n\t"

	"vmulps 	  64(%1), %%ymm0, %%ymm6	    \n\t"
	"vmulps 	  96(%1), %%ymm0, %%ymm7	    \n\t"


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

	"2:				            	    \n\t"

	"vmovups	%%ymm4  ,-128(%1)		    \n\t"
	"vmovups	%%ymm5  , -96(%1)		    \n\t"

	"vmovups	%%ymm6  , -64(%1)		    \n\t"
	"vmovups	%%ymm7  , -32(%1)		    \n\t"

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

	"4:				            	    \n\t"

	"cmpq	$16 ,%3					    \n\t"
	"jne	5f					    \n\t"

	"vmulps	    -128(%1), %%ymm0, %%ymm4	    \n\t"
	"vmulps	     -96(%1), %%ymm0, %%ymm5     	    \n\t"

	"vmovups	%%ymm4  ,-128(%1)		    \n\t"
	"vmovups	%%ymm5  , -96(%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 sscal_kernel_16_zero( BLASLONG n, FLOAT *alpha, FLOAT *x) __attribute__ ((noinline));

static void sscal_kernel_16_zero( BLASLONG n, FLOAT *alpha, FLOAT *x)
{


	BLASLONG n1 = n >> 5 ;
	BLASLONG n2 = n & 16 ;

	__asm__  __volatile__
	(
	"vxorpd		%%ymm0, %%ymm0 , %%ymm0		    \n\t"

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

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

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

	"vmovups	%%ymm0  ,-128(%1)		    \n\t"
	"vmovups	%%ymm0  , -96(%1)		    \n\t"

	"vmovups	%%ymm0  , -64(%1)		    \n\t"
	"vmovups	%%ymm0  , -32(%1)		    \n\t"

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

	"2:				            	    \n\t"

	"cmpq	$16 ,%3					    \n\t"
	"jne	4f					    \n\t"

	"vmovups	%%ymm0  ,-128(%1)		    \n\t"
	"vmovups	%%ymm0  , -96(%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"
	);

}