trsm_kernel_ln_4x2_sse2.s

Optimized GotoBLAS libraries

/*********************************************************************/
/*                                                                   */
/*             Optimized BLAS libraries                              */
/*                     By Kazushige Goto <[e-mail]>     */
/*                                                                   */
/* Copyright (c) The University of Texas, 2005. All rights reserved. */
/* UNIVERSITY EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES CONCERNING  */
/* THIS SOFTWARE AND DOCUMENTATION, INCLUDING ANY WARRANTIES OF      */
/* MERCHANTABILITY, FITNESS FOR ANY PARTICULAR PURPOSE,              */
/* NON-INFRINGEMENT AND WARRANTIES OF PERFORMANCE, AND ANY WARRANTY  */
/* THAT MIGHT OTHERWISE ARISE FROM COURSE OF DEALING OR USAGE OF     */
/* TRADE. NO WARRANTY IS EITHER EXPRESS OR IMPLIED WITH RESPECT TO   */
/* THE USE OF THE SOFTWARE OR DOCUMENTATION.                         */
/* Under no circumstances shall University be liable for incidental, */
/* special, indirect, direct or consequential damages or loss of     */
/* profits, interruption of business, or related expenses which may  */
/* arise from use of Software or Documentation, including but not    */
/* limited to those resulting from defects in Software and/or        */
/* Documentation, or loss or inaccuracy of data of any kind.         */
/*********************************************************************/

#define ASSEMBLER
#include "common.h"

#if !defined(HAVE_SSE2) || !defined(HAVE_MMX)
#error  You have to check your configuration.
#endif

#define STACK	16
#define ARGS	 0
	
#define STACK_M	 4 + STACK + ARGS(%esi)
#define STACK_N	 8 + STACK + ARGS(%esi)
#define STACK_K	12 + STACK + ARGS(%esi)
#define STACK_ALPHA	16 + STACK + ARGS(%esi)
#define STACK_A	24 + STACK + ARGS(%esi)
#define STACK_B	28 + STACK + ARGS(%esi)
#define STACK_C	32 + STACK + ARGS(%esi)
#define STACK_LDC	36 + STACK + ARGS(%esi)
#define STACK_OFFT	40 + STACK + ARGS(%esi)
	
#define ALPHA	 0(%esp)
#define K	16(%esp)
#define N	20(%esp)
#define M	24(%esp)
#define A	28(%esp)
#define C	32(%esp)
#define J	36(%esp)
#define OLD_STACK 40(%esp)
#define OFFSET  44(%esp)
#define KK	48(%esp)
#define KKK	52(%esp)
#define AORIG	56(%esp)
#define BORIG	60(%esp)
#define BUFFER 128(%esp)

#define B	%edi
#define LDC	%ebp

#define STACK_ALIGN	4096
#define STACK_OFFSET	1024

#define LOCAL_BUFFER_SIZE  GEMM_Q * GEMM_UNROLL_N * COMPSIZE * 16

#define AA	%edx
#define BB	%ecx

#define PREFETCHSIZE (8 * 4)

#define KERNEL1(address) \
	movq	 (PREFETCHSIZE + 0) * SIZE + (address) * SIZE(AA), %mm2; \
	mulpd	%xmm0, %xmm2; \
	mulpd	 2 * SIZE + (address) * SIZE(BB), %xmm0; \
	addpd	%xmm2, %xmm4; \
	movapd	 0 * SIZE + (address) * SIZE(BB), %xmm2; \
	addpd	%xmm0, %xmm5; \
	movapd	 2 * SIZE + (address) * SIZE(AA), %xmm0; \
	mulpd	%xmm0, %xmm2; \
	mulpd	 2 * SIZE + (address) * SIZE(BB), %xmm0; \
	addpd	%xmm2, %xmm6; \
	movapd	 4 * SIZE + (address) * SIZE(BB), %xmm2; \
	addpd	%xmm0, %xmm7; \
	movapd	 4 * SIZE + (address) * SIZE(AA), %xmm0

#define KERNEL2(address) \
	mulpd	%xmm0, %xmm2; \
	mulpd	 6 * SIZE + (address) * SIZE(BB), %xmm0; \
	addpd	%xmm2, %xmm4; \
	movapd	 4 * SIZE + (address) * SIZE(BB), %xmm2; \
	addpd	%xmm0, %xmm5; \
	movapd	 6 * SIZE + (address) * SIZE(AA), %xmm0; \
	mulpd	%xmm0, %xmm2; \
	mulpd	 6 * SIZE + (address) * SIZE(BB), %xmm0; \
	addpd	%xmm2, %xmm6; \
	movapd	16 * SIZE + (address) * SIZE(BB), %xmm2; \
	addpd	%xmm0, %xmm7; \
	movapd	16 * SIZE + (address) * SIZE(AA), %xmm0

#define KERNEL3(address) \
	movq	 (PREFETCHSIZE + 8) * SIZE + (address) * SIZE(AA), %mm2; \
	mulpd	%xmm1, %xmm3; \
	mulpd	10 * SIZE + (address) * SIZE(BB), %xmm1; \
	addpd	%xmm3, %xmm4; \
	movapd	 8 * SIZE + (address) * SIZE(BB), %xmm3; \
	addpd	%xmm1, %xmm5; \
	movapd	10 * SIZE + (address) * SIZE(AA), %xmm1; \
	mulpd	%xmm1, %xmm3; \
	mulpd	10 * SIZE + (address) * SIZE(BB), %xmm1; \
	addpd	%xmm3, %xmm6; \
	movapd	12 * SIZE + (address) * SIZE(BB), %xmm3; \
	addpd	%xmm1, %xmm7; \
	movapd	12 * SIZE + (address) * SIZE(AA), %xmm1

#define KERNEL4(address) \
	mulpd	%xmm1, %xmm3; \
	mulpd	14 * SIZE + (address) * SIZE(BB), %xmm1; \
	addpd	%xmm3, %xmm4; \
	movapd	12 * SIZE + (address) * SIZE(BB), %xmm3; \
	addpd	%xmm1, %xmm5; \
	movapd	14 * SIZE + (address) * SIZE(AA), %xmm1; \
	mulpd	%xmm1, %xmm3; \
	mulpd	14 * SIZE + (address) * SIZE(BB), %xmm1; \
	addpd	%xmm3, %xmm6; \
	movapd	24 * SIZE + (address) * SIZE(BB), %xmm3; \
	addpd	%xmm1, %xmm7; \
	movapd	24 * SIZE + (address) * SIZE(AA), %xmm1

#define KERNEL5(address) \
	movq	 (PREFETCHSIZE + 16) * SIZE + (address) * SIZE(AA), %mm2; \
	mulpd	%xmm0, %xmm2; \
	mulpd	18 * SIZE + (address) * SIZE(BB), %xmm0; \
	addpd	%xmm2, %xmm4; \
	movapd	16 * SIZE + (address) * SIZE(BB), %xmm2; \
	addpd	%xmm0, %xmm5; \
	movapd	18 * SIZE + (address) * SIZE(AA), %xmm0; \
	mulpd	%xmm0, %xmm2; \
	mulpd	18 * SIZE + (address) * SIZE(BB), %xmm0; \
	addpd	%xmm2, %xmm6; \
	movapd	20 * SIZE + (address) * SIZE(BB), %xmm2; \
	addpd	%xmm0, %xmm7; \
	movapd	20 * SIZE + (address) * SIZE(AA), %xmm0

#define KERNEL6(address) \
	mulpd	%xmm0, %xmm2; \
	mulpd	22 * SIZE + (address) * SIZE(BB), %xmm0; \
	addpd	%xmm2, %xmm4; \
	movapd	20 * SIZE + (address) * SIZE(BB), %xmm2; \
	addpd	%xmm0, %xmm5; \
	movapd	22 * SIZE + (address) * SIZE(AA), %xmm0; \
	mulpd	%xmm0, %xmm2; \
	mulpd	22 * SIZE + (address) * SIZE(BB), %xmm0; \
	addpd	%xmm2, %xmm6; \
	movapd	32 * SIZE + (address) * SIZE(BB), %xmm2; \
	addpd	%xmm0, %xmm7; \
	movapd	32 * SIZE + (address) * SIZE(AA), %xmm0

#define KERNEL7(address) \
	movq	 (PREFETCHSIZE + 24) * SIZE + (address) * SIZE(AA), %mm2; \
	mulpd	%xmm1, %xmm3; \
	mulpd	26 * SIZE + (address) * SIZE(BB), %xmm1; \
	addpd	%xmm3, %xmm4; \
	movapd	24 * SIZE + (address) * SIZE(BB), %xmm3; \
	addpd	%xmm1, %xmm5; \
	movapd	26 * SIZE + (address) * SIZE(AA), %xmm1; \
	mulpd	%xmm1, %xmm3; \
	mulpd	26 * SIZE + (address) * SIZE(BB), %xmm1; \
	addpd	%xmm3, %xmm6; \
	movapd	28 * SIZE + (address) * SIZE(BB), %xmm3; \
	addpd	%xmm1, %xmm7; \
	movapd	28 * SIZE + (address) * SIZE(AA), %xmm1

#define KERNEL8(address) \
	mulpd	%xmm1, %xmm3; \
	mulpd	30 * SIZE + (address) * SIZE(BB), %xmm1; \
	addpd	%xmm3, %xmm4; \
	movapd	28 * SIZE + (address) * SIZE(BB), %xmm3; \
	addpd	%xmm1, %xmm5; \
	movapd	30 * SIZE + (address) * SIZE(AA), %xmm1; \
	mulpd	%xmm1, %xmm3; \
	mulpd	30 * SIZE + (address) * SIZE(BB), %xmm1; \
	addpd	%xmm3, %xmm6; \
	movapd	40 * SIZE + (address) * SIZE(BB), %xmm3; \
	addpd	%xmm1, %xmm7; \
	movapd	40 * SIZE + (address) * SIZE(AA), %xmm1

	PROLOGUE

	pushl	%ebp
	pushl	%edi
	pushl	%esi
	pushl	%ebx

	PROFCODE

	EMMS

	movl	%esp, %esi	# save old stack

	subl	$128 + LOCAL_BUFFER_SIZE + STACK_OFFSET, %esp
	andl	$-STACK_ALIGN, %esp
	addl	$STACK_OFFSET, %esp

	movd	STACK_M, %mm0
	movl	STACK_N, %eax
	movd	STACK_K, %mm1
	movd	STACK_A, %mm2
	movl	STACK_B, B
	movd	STACK_C, %mm3
	movl	STACK_LDC, LDC
	movd	STACK_OFFT, %mm4

	movd	%mm1, K
	movl	%eax, N
	movd	%mm0, M
	movd	%mm2, A
	movd	%mm3, C
	movl	%esi, OLD_STACK
	movd	%mm4, OFFSET
	movd	%mm4, KK

	sall	$BASE_SHIFT, LDC

#ifdef LN
       movl	M, %eax
       leal	(, %eax, SIZE), %eax
       addl	%eax, C
       imull	K, %eax
       addl	%eax, A
#endif

#ifdef RT
       movl	N, %eax
       leal	(, %eax, SIZE), %eax
       imull	K, %eax
       addl	%eax, B
       movl	N, %eax
       imull	LDC, %eax
       addl	%eax, C
#endif

#ifdef RN
	negl	KK
#endif	

#ifdef RT
       movl	N, %eax
       subl	OFFSET, %eax
       movl	%eax, KK
#endif

	movl	N, %eax
	sarl	$1, %eax	# j = (n >> 1)
	movl	%eax, J
	jle	.L100
	ALIGN_2
	
.L01:
/* Copying to Sub Buffer */
#ifdef LN
	movl	OFFSET, %eax
	addl	M, %eax
	movl	%eax, KK
#endif	

	leal	BUFFER, %ecx

#ifdef RT
       movl	K, %eax
       sall	$1 + BASE_SHIFT, %eax
       subl	%eax, B
#endif

#if defined(LN) || defined(RT)
	movl	KK, %eax
	movl	B, BORIG
	leal	(, %eax, SIZE), %eax
	leal	(B,  %eax, 2), B
	leal	(BB, %eax, 4), BB
#endif	

#ifdef LT
	movl	OFFSET, %eax
	movl	%eax, KK
#endif

#if defined(LT) || defined(RN)
	movl	KK, %eax
#else
	movl	K, %eax
	subl	KK, %eax
#endif
	sarl	$2, %eax
	jle	.L03
	ALIGN_2
	
.L02:
	movsd	 0 * SIZE(B), %xmm0
	movsd	 1 * SIZE(B), %xmm1
	movsd	 2 * SIZE(B), %xmm2
	movsd	 3 * SIZE(B), %xmm3
	movsd	 4 * SIZE(B), %xmm4
	movsd	 5 * SIZE(B), %xmm5
	movsd	 6 * SIZE(B), %xmm6
	movsd	 7 * SIZE(B), %xmm7

	unpcklpd  %xmm0, %xmm0
	unpcklpd  %xmm1, %xmm1
	unpcklpd  %xmm2, %xmm2
	unpcklpd  %xmm3, %xmm3
	unpcklpd  %xmm4, %xmm4
	unpcklpd  %xmm5, %xmm5
	unpcklpd  %xmm6, %xmm6
	unpcklpd  %xmm7, %xmm7

	movapd	%xmm0,  0 * SIZE(%ecx)
	movapd	%xmm1,  2 * SIZE(%ecx)
	movapd	%xmm2,  4 * SIZE(%ecx)
	movapd	%xmm3,  6 * SIZE(%ecx)
	movapd	%xmm4,  8 * SIZE(%ecx)
	movapd	%xmm5, 10 * SIZE(%ecx)
	movapd	%xmm6, 12 * SIZE(%ecx)
	movapd	%xmm7, 14 * SIZE(%ecx)

	prefetcht0	104 * SIZE(B)

	addl	$ 8 * SIZE, B
	addl	$16 * SIZE, %ecx
	decl	%eax
	jne	.L02
	ALIGN_2

.L03:
#if defined(LT) || defined(RN)
	movl	KK, %eax
#else
	movl	K, %eax
	subl	KK, %eax
#endif
	andl	$3, %eax
	BRANCH
	jle	.L05
	ALIGN_4

.L04:
	movsd	 0 * SIZE(B), %xmm0
	movsd	 1 * SIZE(B), %xmm1

	unpcklpd  %xmm0, %xmm0
	unpcklpd  %xmm1, %xmm1

	movapd	%xmm0,  0 * SIZE(%ecx)
	movapd	%xmm1,  2 * SIZE(%ecx)

	addl	$2 * SIZE, B
	addl	$4 * SIZE, %ecx
	decl	%eax
	jne	.L04
	ALIGN_4
	
.L05:
#if defined(LT) || defined(RN)
	movl	A, AA
#else
	movl	A, %eax
	movl	%eax, AORIG
#endif

	leal	(, LDC, 2), %eax

#ifdef RT
	subl	%eax, C
#endif
	movl	C, %esi		# coffset = c
#ifndef RT
	addl	%eax, C
#endif

	movl	M,  %ebx
	testl	$1, %ebx
	jle	.L30

#ifdef LN
       movl	K, %eax
       sall	$0 + BASE_SHIFT, %eax
       subl	%eax, AORIG
#endif

#if defined(LN) || defined(RT)
	movl	KK, %eax
	movl	AORIG, AA
	leal	(, %eax, SIZE), %eax
	leal	(AA, %eax, 1), AA
#endif

	leal	BUFFER, %ecx

#if defined(LN) || defined(RT)
	movl	KK, %eax
	sall	$1 + BASE_SHIFT, %eax
	leal	(BB, %eax, 2), BB
#endif	

	movsd	 0 * SIZE(BB), %xmm2
	pxor	%xmm4, %xmm4
	movsd	 0 * SIZE(AA), %xmm0
	pxor	%xmm5, %xmm5
	movsd	 8 * SIZE(BB), %xmm3
	pxor	%xmm6, %xmm6
	movsd	 4 * SIZE(AA), %xmm1
	pxor	%xmm7, %xmm7

#if defined(LT) || defined(RN)
	movl	KK, %eax
#else
	movl	K, %eax
	subl	KK, %eax
#endif
	sarl	$3, %eax
	je	.L52

.L51:	
	mulsd	%xmm0, %xmm2
	mulsd	 2 * SIZE(BB), %xmm0
	addsd	%xmm2, %xmm4
	movsd	 4 * SIZE(BB), %xmm2
	addsd	%xmm0, %xmm5
	movsd	 1 * SIZE(AA), %xmm0
	mulsd	%xmm0, %xmm2
	mulsd	 6 * SIZE(BB), %xmm0
	addsd	%xmm2, %xmm4
	movsd	16 * SIZE(BB), %xmm2
	addsd	%xmm0, %xmm5
	movsd	 2 * SIZE(AA), %xmm0
	mulsd	%xmm0, %xmm3
	mulsd	10 * SIZE(BB), %xmm0
	addsd	%xmm3, %xmm4
	movsd	12 * SIZE(BB), %xmm3
	addsd	%xmm0, %xmm5
	movsd	 3 * SIZE(AA), %xmm0
	mulsd	%xmm0, %xmm3
	mulsd	14 * SIZE(BB), %xmm0
	addsd	%xmm3, %xmm4
	movsd	24 * SIZE(BB), %xmm3
	addsd	%xmm0, %xmm5
	movsd	 8 * SIZE(AA), %xmm0
	mulsd	%xmm1, %xmm2
	mulsd	18 * SIZE(BB), %xmm1
	addsd	%xmm2, %xmm4
	movsd	20 * SIZE(BB), %xmm2
	addsd	%xmm1, %xmm5
	movsd	 5 * SIZE(AA), %xmm1
	mulsd	%xmm1, %xmm2
	mulsd	22 * SIZE(BB), %xmm1
	addsd	%xmm2, %xmm4
	movsd	32 * SIZE(BB), %xmm2
	addsd	%xmm1, %xmm5
	movsd	 6 * SIZE(AA), %xmm1
	mulsd	%xmm1, %xmm3
	mulsd	26 * SIZE(BB), %xmm1
	addsd	%xmm3, %xmm4
	movsd	28 * SIZE(BB), %xmm3
	addsd	%xmm1, %xmm5
	movsd	 7 * SIZE(AA), %xmm1
	mulsd	%xmm1, %xmm3
	mulsd	30 * SIZE(BB), %xmm1
	addsd	%xmm3, %xmm4
	movsd	40 * SIZE(BB), %xmm3
	addsd	%xmm1, %xmm5
	movsd	12 * SIZE(AA), %xmm1

	addl   $ 8 * SIZE, AA
	addl   $32 * SIZE, BB
	BRANCH
	decl   %eax
	jne    .L51

.L52:
#if defined(LT) || defined(RN)
	movl	KK, %eax
#else
	movl	K, %eax
	subl	KK, %eax
#endif
	andl	$7, %eax		# if (k & 1)
	BRANCH
	je .L54

.L53:
	mulsd	%xmm0, %xmm2
	mulsd	 2 * SIZE(BB), %xmm0
	addsd	%xmm2, %xmm4
	movsd	 4 * SIZE(BB), %xmm2
	addsd	%xmm0, %xmm5
	movsd	 1 * SIZE(AA), %xmm0

	addl	$1 * SIZE, AA		# aoffset  += 8
	addl	$4 * SIZE, BB		# boffset1 += 8
	decl	%eax
	BRANCH
	jg	.L53
	ALIGN_4

.L54:
	addsd	%xmm6, %xmm4
	addsd	%xmm7, %xmm5

#if defined(LN) || defined(RT)
	movl	KK, %eax
#ifdef LN
	subl	$1, %eax
#else
	subl	$2, %eax
#endif

	movl	AORIG, AA
	movl	BORIG, B
	leal	BUFFER, BB

	leal	(, %eax, SIZE), %eax
	leal	(AA, %eax, 1), AA
	leal	(B,  %eax, 2), B
	leal	(BB, %eax, 4), BB
#endif

#if defined(LN) || defined(LT)
	movsd	 0 * SIZE(B), %xmm0
	movsd	 1 * SIZE(B), %xmm1
#else
	movsd	 0 * SIZE(AA), %xmm0
	movsd	 1 * SIZE(AA), %xmm1
#endif

	subsd	%xmm4,  %xmm0
	subsd	%xmm5,  %xmm1

#if defined(LN) || defined(LT)
	movsd	 0 * SIZE(AA), %xmm2
	mulsd	 %xmm2, %xmm0
	mulsd	 %xmm2, %xmm1
#endif

#ifdef RN
	mulsd	 0 * SIZE(B), %xmm0
	movsd	 1 * SIZE(B), %xmm4
	mulsd	 %xmm0, %xmm4
	subsd	 %xmm4, %xmm1
	mulsd	 3 * SIZE(B), %xmm1
#endif

#ifdef RT
	mulsd	 3 * SIZE(B), %xmm1
	movsd	 2 * SIZE(B), %xmm4
	mulsd	 %xmm1, %xmm4
	subsd	 %xmm4, %xmm0

	mulsd	 0 * SIZE(B), %xmm0
#endif

#if defined(LN) || defined(LT)
	movsd	%xmm0,   0 * SIZE(B)
	movsd	%xmm1,   1 * SIZE(B)

	movsd	%xmm0,   0 * SIZE(BB)
	movsd	%xmm0,   1 * SIZE(BB)
	movsd	%xmm1,   2 * SIZE(BB)
	movsd	%xmm1,   3 * SIZE(BB)
#else
	movsd	%xmm0,   0 * SIZE(AA)
	movsd	%xmm1,   1 * SIZE(AA)
#endif

#ifdef LN
	subl	$1 * SIZE, %esi
#endif

	movsd	%xmm0,  0 * SIZE(%esi)
	movsd	%xmm1,  0 * SIZE(%esi, LDC)

#ifndef LN
	addl	$1 * SIZE, %esi
#endif

#if defined(LT) || defined(RN)
	movl	K,  %eax
	subl	KK, %eax
	leal	(,%eax, SIZE), %eax
	leal	(AA, %eax, 1), AA
#ifdef LT
	addl	$2 * SIZE, B
#endif
#endif

#ifdef LN
	subl	$1, KK
	movl	BORIG, B
#endif

#ifdef LT
	addl	$1, KK
#endif

#ifdef RT
	movl	K, %eax
	movl	BORIG, B
	sall	$0 + BASE_SHIFT, %eax
	addl	%eax, AORIG
#endif
	ALIGN_2

.L30:
	movl	M,  %ebx
	testl	$2, %ebx
	jle	.L50

#ifdef LN
       movl	K, %eax
       sall	$1 + BASE_SHIFT, %eax
       subl	%eax, AORIG
#endif

#if defined(LN) || defined(RT)
	movl	KK, %eax
	movl	AORIG, AA
	leal	(, %eax, SIZE), %eax
	leal	(AA, %eax, 2), AA
#endif

	leal	BUFFER, BB

#if defined(LN) || defined(RT)
	movl	KK, %eax
	sall	$1 + BASE_SHIFT, %eax
	leal	(BB, %eax, 2), BB
#endif	

	movapd	 0 * SIZE(BB), %xmm2
	pxor	%xmm4, %xmm4
	movapd	 0 * SIZE(AA), %xmm0
	pxor	%xmm5, %xmm5
	movapd	 8 * SIZE(BB), %xmm3
	pxor	%xmm6, %xmm6
	movapd	 8 * SIZE(AA), %xmm1
	pxor	%xmm7, %xmm7

#if defined(LT) || defined(RN)
	movl	KK, %eax
#else
	movl	K, %eax
	subl	KK, %eax
#endif
	sarl	$3, %eax
	je	.L32

.L31:	
	mulpd	%xmm0, %xmm2
	mulpd	 2 * SIZE(BB), %xmm0
	addpd	%xmm2, %xmm4
	movapd	 4 * SIZE(BB), %xmm2
	addpd	%xmm0, %xmm5
	movapd	 2 * SIZE(AA), %xmm0
	mulpd	%xmm0, %xmm2
	mulpd	 6 * SIZE(BB), %xmm0
	addpd	%xmm2, %xmm6
	movapd	16 * SIZE(BB), %xmm2
	addpd	%xmm0, %xmm7
	movapd	 4 * SIZE(AA), %xmm0
	mulpd	%xmm0, %xmm3
	mulpd	10 * SIZE(BB), %xmm0
	addpd	%xmm3, %xmm4
	movapd	12 * SIZE(BB), %xmm3
	addpd	%xmm0, %xmm5
	movapd	 6 * SIZE(AA), %xmm0
	mulpd	%xmm0, %xmm3
	mulpd	14 * SIZE(BB), %xmm0
	addpd	%xmm3, %xmm6
	movapd	24 * SIZE(BB), %xmm3
	addpd	%xmm0, %xmm7
	movapd	16 * SIZE(AA), %xmm0
	mulpd	%xmm1, %xmm2
	mulpd	18 * SIZE(BB), %xmm1
	addpd	%xmm2, %xmm4
	movapd	20 * SIZE(BB), %xmm2
	addpd	%xmm1, %xmm5
	movapd	10 * SIZE(AA), %xmm1
	mulpd	%xmm1, %xmm2
	mulpd	22 * SIZE(BB), %xmm1
	addpd	%xmm2, %xmm6
	movapd	32 * SIZE(BB), %xmm2
	addpd	%xmm1, %xmm7
	movapd	12 * SIZE(AA), %xmm1
	mulpd	%xmm1, %xmm3
	mulpd	26 * SIZE(BB), %xmm1
	addpd	%xmm3, %xmm4
	movapd	28 * SIZE(BB), %xmm3
	addpd	%xmm1, %xmm5
	movapd	14 * SIZE(AA), %xmm1
	mulpd	%xmm1, %xmm3
	mulpd	30 * SIZE(BB), %xmm1
	addpd	%xmm3, %xmm6
	movapd	40 * SIZE(BB), %xmm3
	addpd	%xmm1, %xmm7
	movapd	24 * SIZE(AA), %xmm1

	addl   $16 * SIZE, AA
	addl   $32 * SIZE, BB
	BRANCH
	decl   %eax
	jne    .L31

.L32:
#if defined(LT) || defined(RN)
	movl	KK, %eax
#else
	movl	K, %eax
	subl	KK, %eax
#endif
	andl	$7, %eax		# if (k & 1)
	BRANCH
	je .L34

.L33:
	mulpd	%xmm0, %xmm2
	mulpd	 2 * SIZE(BB), %xmm0
	addpd	%xmm2, %xmm4
	movapd	 4 * SIZE(BB), %xmm2
	addpd	%xmm0, %xmm5
	movapd	 2 * SIZE(AA), %xmm0

	addl	$2 * SIZE, AA		# aoffset  += 8
	addl	$4 * SIZE, BB		# boffset1 += 8
	decl	%eax
	BRANCH
	jg	.L33
	ALIGN_4

.L34:
	addpd	%xmm6, %xmm4
	addpd	%xmm7, %xmm5

#if defined(LN) || defined(RT)
	movl	KK, %eax
#ifdef LN
	subl	$2, %eax
#else
	subl	$2, %eax
#endif

	movl	AORIG, AA
	movl	BORIG, B
	leal	BUFFER, BB

	leal	(, %eax, SIZE), %eax
	leal	(AA, %eax, 2), AA
	leal	(B,  %eax, 2), B
	leal	(BB, %eax, 4), BB
#endif