zgemm_kernel_2x2_barcelona.s

Optimized GotoBLAS libraries

	subq	$-16 * SIZE, A
	subq	$-16 * SIZE, B

	salq	$ZBASE_SHIFT, LDC
	
	movq	N,  J
	sarq	$1, J
	jle	.L100
	ALIGN_4

.L01:
#if defined(TRMMKERNEL) && defined(LEFT)
	movq	OFFSET, %rax
	movq	%rax, KK
#endif	

	movq	C, CO1			# coffset1 = c
	leaq	(C, LDC, 1), CO2	# coffset2 = c + ldc

	movq	A, AO		# aoffset = a

	movq	K, %rax
	salq	$BASE_SHIFT + 2, %rax
	leaq	(B, %rax), BB

	movq	M,  I
	sarq	$1, I		# i = (m >> 2)
	jle	.L30
	ALIGN_4

.L10:
#if !defined(TRMMKERNEL) || \
	(defined(TRMMKERNEL) &&  defined(LEFT) &&  defined(TRANSA)) || \
	(defined(TRMMKERNEL) && !defined(LEFT) && !defined(TRANSA))
	movq	B, BO
#else
	movq	B, BO
	movq	KK, %rax
	leaq	(, %rax, SIZE), %rax
	leaq	(AO, %rax, 4), AO
	leaq	(BO, %rax, 4), BO
#endif	

	movapd	-16 * SIZE(AO), %xmm0
	movddup	-16 * SIZE(BO), %xmm1
	pxor	%xmm8, %xmm8
 	movddup	-15 * SIZE(BO), %xmm3
	pxor	%xmm9, %xmm9
	movapd	 -8 * SIZE(AO), %xmm4
	pxor	%xmm10, %xmm10
	movddup	 -8 * SIZE(BO), %xmm5
	pxor	%xmm11, %xmm11

	prefetchw      3 * SIZE(CO1)
	pxor	%xmm12, %xmm12
	prefetchw      3 * SIZE(CO2)
	pxor	%xmm13, %xmm13
	pxor	%xmm14, %xmm14
	pxor	%xmm15, %xmm15
	movapd	%xmm0, %xmm2

	prefetch	 -16 * SIZE(BB)
	prefetch	  -8 * SIZE(BB)
	subq		 $-16 * SIZE, BB

#ifndef TRMMKERNEL
	movq	K, %rax
#elif (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
	movq	K, %rax
	subq	KK, %rax
	movq	%rax, KKK	
#else
	movq	KK, %rax
#ifdef LEFT
	addq	$2, %rax
#else
	addq	$2, %rax
#endif
	movq	%rax, KKK
#endif
	andq	$-8, %rax
	leaq	(, %rax, SIZE), %rax
	leaq	(AO, %rax, 4), AO
	leaq	(BO, %rax, 4), BO
	negq	%rax
	je,pn	.L15
	ALIGN_4

.L12:
	KERNEL1(16 *  0)
	KERNEL2(16 *  0)
	KERNEL3(16 *  0)
	KERNEL4(16 *  0)
	KERNEL5(16 *  0)
	KERNEL6(16 *  0)
	KERNEL7(16 *  0)
	KERNEL8(16 *  0)
	je,pn	.L15
	KERNEL1(16 *  0)
	KERNEL2(16 *  0)
	KERNEL3(16 *  0)
	KERNEL4(16 *  0)
	KERNEL5(16 *  0)
	KERNEL6(16 *  0)
	KERNEL7(16 *  0)
	KERNEL8(16 *  0)
	je,pn	.L15
	KERNEL1(16 *  0)
	KERNEL2(16 *  0)
	KERNEL3(16 *  0)
	KERNEL4(16 *  0)
	KERNEL5(16 *  0)
	KERNEL6(16 *  0)
	KERNEL7(16 *  0)
	KERNEL8(16 *  0)
	je,pn	.L15
	KERNEL1(16 *  0)
	KERNEL2(16 *  0)
	KERNEL3(16 *  0)
	KERNEL4(16 *  0)
	KERNEL5(16 *  0)
	KERNEL6(16 *  0)
	KERNEL7(16 *  0)
	KERNEL8(16 *  0)
	je,pn	.L15
	KERNEL1(16 *  0)
	KERNEL2(16 *  0)
	KERNEL3(16 *  0)
	KERNEL4(16 *  0)
	KERNEL5(16 *  0)
	KERNEL6(16 *  0)
	KERNEL7(16 *  0)
	KERNEL8(16 *  0)
	je,pn	.L15
	KERNEL1(16 *  0)
	KERNEL2(16 *  0)
	KERNEL3(16 *  0)
	KERNEL4(16 *  0)
	KERNEL5(16 *  0)
	KERNEL6(16 *  0)
	KERNEL7(16 *  0)
	KERNEL8(16 *  0)
	je,pn	.L15
	KERNEL1(16 *  0)
	KERNEL2(16 *  0)
	KERNEL3(16 *  0)
	KERNEL4(16 *  0)
	KERNEL5(16 *  0)
	KERNEL6(16 *  0)
	KERNEL7(16 *  0)
	KERNEL8(16 *  0)
	je,pn	.L15
	KERNEL1(16 *  0)
	KERNEL2(16 *  0)
	KERNEL3(16 *  0)
	KERNEL4(16 *  0)
	KERNEL5(16 *  0)
	KERNEL6(16 *  0)
	KERNEL7(16 *  0)
	KERNEL8(16 *  0)
	jl,pt	.L12
	ALIGN_4

.L15:
#ifndef TRMMKERNEL
	movq	K, %rax
#else
	movq	KKK, %rax
#endif
	testq	$4, %rax
	je .L16
	xorq	%rax, %rax
	ALIGN_4

	KERNEL_SUB1(16 *  0)
	KERNEL_SUB2(16 *  0)
	KERNEL_SUB3(16 *  0)
	KERNEL_SUB4(16 *  0)

	subq	$-16 * SIZE, BO
	subq	$-16 * SIZE, AO
	ALIGN_4

.L16:
	movddup	ALPHA_R, %xmm6
	movddup	ALPHA_I, %xmm7

#ifndef TRMMKERNEL
	movq	K, %rax
#else
	movq	KKK, %rax
#endif
	andq	$3, %rax
	je .L19

	leaq	(, %rax, SIZE), %rax
	leaq	(AO, %rax, 4), AO
	leaq	(BO, %rax, 4), BO
	negq	%rax
	ALIGN_4

.L17:
	mulpd	%xmm1, %xmm0
	mulpd	-14 * SIZE(AO, %rax, 4), %xmm1
	ADD1	%xmm0, %xmm8
	movapd	%xmm2, %xmm0
	ADD1	%xmm1, %xmm12
	movddup	-14 * SIZE(BO, %rax, 4), %xmm1
	mulpd	%xmm3, %xmm2
	mulpd	-14 * SIZE(AO, %rax, 4), %xmm3
	ADD2	%xmm2, %xmm9
	movapd	%xmm0, %xmm2
	ADD2	%xmm3, %xmm13
	movddup	-13 * SIZE(BO, %rax, 4), %xmm3
	mulpd	%xmm1, %xmm0
	mulpd	-14 * SIZE(AO, %rax, 4), %xmm1
	ADD1	%xmm0, %xmm10
	movapd	-12 * SIZE(AO, %rax, 4), %xmm0
	ADD1	%xmm1, %xmm14
	movddup	-12 * SIZE(BO, %rax, 4), %xmm1
	mulpd	%xmm3, %xmm2
	mulpd	-14 * SIZE(AO, %rax, 4), %xmm3
	ADD2	%xmm2, %xmm11
	ADD2	%xmm3, %xmm15
 	movddup	-11 * SIZE(BO, %rax, 4), %xmm3
	movapd	%xmm0, %xmm2

	addq	$SIZE, %rax
	jl	.L17
	ALIGN_4

.L19:
#ifndef TRMMKERNEL
	movupd	        (CO1), %xmm0
	movupd	2 * SIZE(CO1), %xmm2
	movupd	        (CO2), %xmm1
	movupd	2 * SIZE(CO2), %xmm3
#endif

	SHUFPD_1 %xmm9,  %xmm9
	SHUFPD_1 %xmm11, %xmm11
	SHUFPD_1 %xmm13, %xmm13
	SHUFPD_1 %xmm15, %xmm15

#if defined(NN) || defined(NT) || defined(TN) || defined(TT) || \
    defined(NR) || defined(NC) || defined(TR) || defined(TC)
	addsubpd %xmm9,  %xmm8
	addsubpd %xmm11, %xmm10
	addsubpd %xmm13, %xmm12
	addsubpd %xmm15, %xmm14

	pshufd	$0x4e, %xmm8,  %xmm9
	pshufd	$0x4e, %xmm10, %xmm11
	pshufd	$0x4e, %xmm12, %xmm13
	pshufd	$0x4e, %xmm14, %xmm15

#else
	addsubpd %xmm8,  %xmm9
	addsubpd %xmm10, %xmm11
	addsubpd %xmm12, %xmm13
	addsubpd %xmm14, %xmm15

	movapd	 %xmm9,  %xmm8
	pshufd	$0x4e, %xmm9,  %xmm9
	movapd	 %xmm11, %xmm10
	pshufd	$0x4e, %xmm11, %xmm11
	movapd	 %xmm13, %xmm12
	pshufd	$0x4e, %xmm13, %xmm13
	movapd	 %xmm15, %xmm14
	pshufd	$0x4e, %xmm15, %xmm15
#endif

	mulpd	%xmm6, %xmm8
	mulpd	%xmm7, %xmm9
	mulpd	%xmm6, %xmm10
	mulpd	%xmm7, %xmm11

	mulpd	%xmm6, %xmm12
	mulpd	%xmm7, %xmm13
	mulpd	%xmm6, %xmm14
	mulpd	%xmm7, %xmm15

	addsubpd %xmm9,  %xmm8
	addsubpd %xmm11, %xmm10
	addsubpd %xmm13, %xmm12
	addsubpd %xmm15, %xmm14

#ifndef TRMMKERNEL
	addpd	%xmm0,  %xmm8
	addpd	%xmm2,  %xmm12
	addpd	%xmm1,  %xmm10
	addpd	%xmm3,  %xmm14
#endif

	movlpd	%xmm8,          (CO1)
	movhpd	%xmm8,  1 * SIZE(CO1)
	movlpd	%xmm12, 2 * SIZE(CO1)
	movhpd	%xmm12, 3 * SIZE(CO1)

	movlpd	%xmm10,         (CO2)
	movhpd	%xmm10, 1 * SIZE(CO2)
	movlpd	%xmm14, 2 * SIZE(CO2)
	movhpd	%xmm14, 3 * SIZE(CO2)

#if (defined(TRMMKERNEL) &&  defined(LEFT) &&  defined(TRANSA)) || \
    (defined(TRMMKERNEL) && !defined(LEFT) && !defined(TRANSA))
	movq	K, %rax
	subq	KKK, %rax
	leaq	(,%rax, SIZE), %rax
	leaq	(AO, %rax, 4), AO
	leaq	(BO, %rax, 4), BO
#endif

#if defined(TRMMKERNEL) && defined(LEFT)
	addq	$2, KK
#endif

	addq	$4 * SIZE, CO1		# coffset += 4
	addq	$4 * SIZE, CO2		# coffset += 4
	decq	I			# i --
	jg	.L10
	ALIGN_4	

.L30:
	testq	$1, M
	jle	.L99

#if !defined(TRMMKERNEL) || \
	(defined(TRMMKERNEL) &&  defined(LEFT) &&  defined(TRANSA)) || \
	(defined(TRMMKERNEL) && !defined(LEFT) && !defined(TRANSA))
	movq	B, BO
#else
	movq	B, BO
	movq	KK, %rax
	leaq	(, %rax, SIZE), %rax
	leaq	(AO, %rax, 2), AO
	leaq	(BO, %rax, 4), BO
#endif	

	movapd	-16 * SIZE(AO), %xmm0
	pxor	%xmm8, %xmm8
	movapd	-12 * SIZE(AO), %xmm2
	pxor	%xmm9, %xmm9
	movddup	-16 * SIZE(BO), %xmm1
	pxor	%xmm10, %xmm10
	movddup	-15 * SIZE(BO), %xmm5
	pxor	%xmm11, %xmm11
	movddup	 -8 * SIZE(BO), %xmm3

#ifndef TRMMKERNEL
	movq	K, %rax
#elif (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
	movq	K, %rax
	subq	KK, %rax
	movq	%rax, KKK	
#else
	movq	KK, %rax
#ifdef LEFT
	addq	$1, %rax
#else
	addq	$2, %rax
#endif
	movq	%rax, KKK
#endif
	andq	$-4, %rax
	leaq	(, %rax, SIZE), %rax
	leaq	(AO, %rax, 2), AO
	leaq	(BO, %rax, 4), BO
	negq	%rax
	je,pn	.L46
	ALIGN_4

.L42:
	mulpd	%xmm0, %xmm1
	ADD1	%xmm1, %xmm8
	movddup	-14 * SIZE(BO, %rax, 4), %xmm1
	mulpd	%xmm0, %xmm5
	ADD2	%xmm5, %xmm9
	movddup	-13 * SIZE(BO, %rax, 4), %xmm5
	mulpd	%xmm0, %xmm1
	ADD1	%xmm1, %xmm10
	movddup	-12 * SIZE(BO, %rax, 4), %xmm1
	mulpd	%xmm0, %xmm5
	movapd	-14 * SIZE(AO, %rax, 2), %xmm0
	ADD2	%xmm5, %xmm11
	movddup	-11 * SIZE(BO, %rax, 4), %xmm5
	mulpd	%xmm0, %xmm1
	ADD1	%xmm1, %xmm8
	movddup	-10 * SIZE(BO, %rax, 4), %xmm1
	mulpd	%xmm0, %xmm5
	ADD2	%xmm5, %xmm9
	movddup	 -9 * SIZE(BO, %rax, 4), %xmm5
	mulpd	%xmm0, %xmm1
	ADD1	%xmm1, %xmm10
	movddup	  (BO, %rax, 4), %xmm1
	mulpd	%xmm0, %xmm5
	movapd	 -8 * SIZE(AO, %rax, 2), %xmm0
	ADD2	%xmm5, %xmm11
	movddup	 -7 * SIZE(BO, %rax, 4), %xmm5
	mulpd	%xmm2, %xmm3
	ADD1	%xmm3, %xmm8
	movddup	 -6 * SIZE(BO, %rax, 4), %xmm3
	mulpd	%xmm2, %xmm5
	ADD2	%xmm5, %xmm9
	movddup	 -5 * SIZE(BO, %rax, 4), %xmm5
	mulpd	%xmm2, %xmm3
	ADD1	%xmm3, %xmm10
	movddup	 -4 * SIZE(BO, %rax, 4), %xmm3
	mulpd	%xmm2, %xmm5
	movapd	-10 * SIZE(AO, %rax, 2), %xmm2
	ADD2	%xmm5, %xmm11
	movddup	 -3 * SIZE(BO, %rax, 4), %xmm5
	mulpd	%xmm2, %xmm3
	ADD1	%xmm3, %xmm8
	movddup	 -2 * SIZE(BO, %rax, 4), %xmm3
	mulpd	%xmm2, %xmm5
	ADD2	%xmm5, %xmm9
	movddup	 -1 * SIZE(BO, %rax, 4), %xmm5
	mulpd	%xmm2, %xmm3
	ADD1	%xmm3, %xmm10
	movddup	  8 * SIZE(BO, %rax, 4), %xmm3
	mulpd	%xmm2, %xmm5
	movapd	 -4 * SIZE(AO, %rax, 2), %xmm2
	ADD2	%xmm5, %xmm11
	movddup	  1 * SIZE(BO, %rax, 4), %xmm5

	addq	$4 * SIZE, %rax
	jl,pt	.L42
	ALIGN_4

.L46:
	movddup	ALPHA_R, %xmm6
	movddup	ALPHA_I, %xmm7

#ifndef TRMMKERNEL
	movq	K, %rax
#else
	movq	KKK, %rax
#endif
	andq	$3, %rax		# if (k & 1)
	je .L49

	leaq	(, %rax, SIZE), %rax
	leaq	(AO, %rax, 2), AO
	leaq	(BO, %rax, 4), BO
	negq	%rax
	ALIGN_4

.L47:
	mulpd	%xmm0, %xmm1
	ADD1	%xmm1, %xmm8
	movddup	-14 * SIZE(BO, %rax, 4), %xmm1
	mulpd	%xmm0, %xmm5
	ADD2	%xmm5, %xmm9
	movddup	-13 * SIZE(BO, %rax, 4), %xmm5
	mulpd	%xmm0, %xmm1
	ADD1	%xmm1, %xmm10
	movddup	-12 * SIZE(BO, %rax, 4), %xmm1
	mulpd	%xmm0, %xmm5
	movapd	-14 * SIZE(AO, %rax, 2), %xmm0
	ADD2	%xmm5, %xmm11
	movddup	-11 * SIZE(BO, %rax, 4), %xmm5

	addq	$SIZE, %rax