/*********************************************************************/

/* Copyright 2009, 2010 The University of Texas at Austin.           */

/* All rights reserved.                                              */

/*                                                                   */

/* Redistribution and use in source and binary forms, with or        */

/* without modification, are permitted provided that the following   */

/* conditions are met:                                               */

/*                                                                   */

/*   1. Redistributions of source code must retain the above         */

/*      copyright notice, this list of conditions and the following  */

/*      disclaimer.                                                  */

/*                                                                   */

/*   2. Redistributions in binary form must reproduce the above      */

/*      copyright notice, this list of conditions and the following  */

/*      disclaimer in the documentation and/or other materials       */

/*      provided with the distribution.                              */

/*                                                                   */

/*    THIS  SOFTWARE IS PROVIDED  BY THE  UNIVERSITY OF  TEXAS AT    */

/*    AUSTIN  ``AS IS''  AND ANY  EXPRESS OR  IMPLIED WARRANTIES,    */

/*    INCLUDING, BUT  NOT LIMITED  TO, THE IMPLIED  WARRANTIES OF    */

/*    MERCHANTABILITY  AND FITNESS FOR  A PARTICULAR  PURPOSE ARE    */

/*    DISCLAIMED.  IN  NO EVENT SHALL THE UNIVERSITY  OF TEXAS AT    */

/*    AUSTIN OR CONTRIBUTORS BE  LIABLE FOR ANY DIRECT, INDIRECT,    */

/*    INCIDENTAL,  SPECIAL, EXEMPLARY,  OR  CONSEQUENTIAL DAMAGES    */

/*    (INCLUDING, BUT  NOT LIMITED TO,  PROCUREMENT OF SUBSTITUTE    */

/*    GOODS  OR  SERVICES; LOSS  OF  USE,  DATA,  OR PROFITS;  OR    */

/*    BUSINESS INTERRUPTION) HOWEVER CAUSED  AND ON ANY THEORY OF    */

/*    LIABILITY, WHETHER  IN CONTRACT, STRICT  LIABILITY, OR TORT    */

/*    (INCLUDING NEGLIGENCE OR OTHERWISE)  ARISING IN ANY WAY OUT    */

/*    OF  THE  USE OF  THIS  SOFTWARE,  EVEN  IF ADVISED  OF  THE    */

/*    POSSIBILITY OF SUCH DAMAGE.                                    */

/*                                                                   */

/* The views and conclusions contained in the software and           */

/* documentation are those of the authors and should not be          */

/* interpreted as representing official policies, either expressed   */

/* or implied, of The University of Texas at Austin.                 */

/*********************************************************************/

#define ASSEMBLER

#include "common.h"

#ifdef NEHALEM

#define PREFETCHSIZE	12

#define PREFETCH	prefetcht0

#define PREFETCHW	prefetcht0

#endif

#ifndef MOVAPS

#define MOVAPS	movaps

#endif

#ifndef WINDOWS_ABI

#define M	ARG1	/* rdi */

#define N	ARG2	/* rsi */

#define A	ARG3	/* rdx */

#define LDA	ARG4	/* rcx */

#define B	ARG5	/* r8  */

#define AO1	%r9

#define AO2	%r10

#define LDA3	%r11

#define J	%r12

#define MM	%r13

#else

#define STACKSIZE 128

#define M	ARG1	/* rcx */

#define N	ARG2	/* rdx */

#define A	ARG3	/* r8  */

#define LDA	ARG4	/* r9  */

#define OLD_B		40 + 32 + STACKSIZE(%rsp)

#define B	%r15

#define AO1	%r10

#define AO2	%r11

#define LDA3	%r12

#define J	%r13

#define MM	%r14

#endif

#define I	%rax

	PROLOGUE

	PROFCODE

#ifdef WINDOWS_ABI

	pushq	%r15

	pushq	%r14

#endif

	pushq	%r13

	pushq	%r12

#ifdef WINDOWS_ABI

	subq	$STACKSIZE, %rsp

	movups	%xmm6,    0(%rsp)

	movups	%xmm7,   16(%rsp)

	movups	%xmm8,   32(%rsp)

	movups	%xmm9,   48(%rsp)

	movups	%xmm10,  64(%rsp)

	movups	%xmm11,  80(%rsp)

	movups	%xmm12,  96(%rsp)

	movq	OLD_B,     B

#endif

	leaq	(,LDA, SIZE), LDA

	leaq	(LDA, LDA, 2), LDA3

	subq	$-16 * SIZE, B

	movq	M, MM

	leaq	-1(M), %rax

	testq	$SIZE, A

	cmovne	%rax, MM

	testq	$SIZE, LDA

	jne	.L50

	movq	N,  J

	sarq	$3, J

	jle	.L20

	ALIGN_4

.L11:

	movq	A, AO1

	leaq	(A, LDA, 4), AO2

	leaq	(A, LDA, 8), A

	testq	$SIZE, A

	je	.L12

	movsd	0 * SIZE(AO1),         %xmm0

	movsd	0 * SIZE(AO1, LDA),    %xmm1

	movsd	0 * SIZE(AO1, LDA, 2), %xmm2

	movsd	0 * SIZE(AO1, LDA3),   %xmm3

	movsd	0 * SIZE(AO2),         %xmm4

	movsd	0 * SIZE(AO2, LDA),    %xmm5

	movsd	0 * SIZE(AO2, LDA, 2), %xmm6

	movsd	0 * SIZE(AO2, LDA3),   %xmm7

	unpcklpd %xmm1, %xmm0

	unpcklpd %xmm3, %xmm2

	unpcklpd %xmm5, %xmm4

	unpcklpd %xmm7, %xmm6

	movaps	%xmm0,  -16 * SIZE(B)

	movaps	%xmm2,  -14 * SIZE(B)

	movaps	%xmm4,  -12 * SIZE(B)

	movaps	%xmm6,  -10 * SIZE(B)

	addq	$1 * SIZE, AO1

	addq	$1 * SIZE, AO2

	subq	$-8 * SIZE, B

	ALIGN_3

.L12:

	movq	MM, I

	sarq	$3, I

	jle	.L14

	ALIGN_4

.L13:

#ifdef PREFETCH

	PREFETCH	PREFETCHSIZE * SIZE(AO1)

#endif

	MOVAPS	0 * SIZE(AO1),         %xmm0

	MOVAPS	0 * SIZE(AO1, LDA),    %xmm1

	MOVAPS	0 * SIZE(AO1, LDA, 2), %xmm2

	MOVAPS	0 * SIZE(AO1, LDA3),   %xmm3

	movaps	 %xmm0, %xmm8

	unpcklpd %xmm1, %xmm0

	movaps	 %xmm2, %xmm9

	unpcklpd %xmm3, %xmm2

#ifdef PREFETCH

	PREFETCH	PREFETCHSIZE * SIZE(AO1, LDA)

#endif

	MOVAPS	0 * SIZE(AO2),         %xmm4

	MOVAPS	0 * SIZE(AO2, LDA),    %xmm5

	MOVAPS	0 * SIZE(AO2, LDA, 2), %xmm6

	MOVAPS	0 * SIZE(AO2, LDA3),   %xmm7

	movaps	 %xmm4, %xmm10

	unpcklpd %xmm5, %xmm4

	movaps	 %xmm6, %xmm11

	unpcklpd %xmm7, %xmm6

#ifdef PREFETCHW

	PREFETCHW	(PREFETCHSIZE * 8 +  0) * SIZE(B)

#endif

	movaps	%xmm0,  -16 * SIZE(B)

	movaps	%xmm2,  -14 * SIZE(B)

	movaps	%xmm4,  -12 * SIZE(B)

	movaps	%xmm6,  -10 * SIZE(B)

	unpckhpd %xmm1, %xmm8

	unpckhpd %xmm3, %xmm9

	unpckhpd %xmm5, %xmm10

	unpckhpd %xmm7, %xmm11

#ifdef PREFETCHW

	PREFETCHW	(PREFETCHSIZE * 8 +  8) * SIZE(B)

#endif

	movaps	%xmm8,   -8 * SIZE(B)

	movaps	%xmm9,   -6 * SIZE(B)

	movaps	%xmm10,  -4 * SIZE(B)

	movaps	%xmm11,  -2 * SIZE(B)

#ifdef PREFETCH

	PREFETCH	PREFETCHSIZE * SIZE(AO1, LDA, 2)

#endif

	MOVAPS	2 * SIZE(AO1),         %xmm0

	MOVAPS	2 * SIZE(AO1, LDA),    %xmm1

	MOVAPS	2 * SIZE(AO1, LDA, 2), %xmm2

	MOVAPS	2 * SIZE(AO1, LDA3),   %xmm3

	movaps	 %xmm0, %xmm8

	unpcklpd %xmm1, %xmm0

	movaps	 %xmm2, %xmm9

	unpcklpd %xmm3, %xmm2

#ifdef PREFETCH

	PREFETCH	PREFETCHSIZE * SIZE(AO1, LDA3)

#endif

	MOVAPS	2 * SIZE(AO2),         %xmm4

	MOVAPS	2 * SIZE(AO2, LDA),    %xmm5

	MOVAPS	2 * SIZE(AO2, LDA, 2), %xmm6

	MOVAPS	2 * SIZE(AO2, LDA3),   %xmm7

	movaps	 %xmm4, %xmm10

	unpcklpd %xmm5, %xmm4

	movaps	 %xmm6, %xmm11

	unpcklpd %xmm7, %xmm6

#ifdef PREFETCHW

	PREFETCHW	(PREFETCHSIZE * 8 + 16) * SIZE(B)

#endif

	movaps	%xmm0,    0 * SIZE(B)

	movaps	%xmm2,    2 * SIZE(B)

	movaps	%xmm4,    4 * SIZE(B)

	movaps	%xmm6,    6 * SIZE(B)

	unpckhpd %xmm1, %xmm8

	unpckhpd %xmm3, %xmm9

	unpckhpd %xmm5, %xmm10

	unpckhpd %xmm7, %xmm11

#ifdef PREFETCHW

	PREFETCHW	(PREFETCHSIZE * 8 + 24) * SIZE(B)

#endif

	movaps	%xmm8,    8 * SIZE(B)

	movaps	%xmm9,   10 * SIZE(B)

	movaps	%xmm10,  12 * SIZE(B)

	movaps	%xmm11,  14 * SIZE(B)

#ifdef PREFETCH

	PREFETCH	PREFETCHSIZE * SIZE(AO2)

#endif

	MOVAPS	4 * SIZE(AO1),         %xmm0

	MOVAPS	4 * SIZE(AO1, LDA),    %xmm1

	MOVAPS	4 * SIZE(AO1, LDA, 2), %xmm2

	MOVAPS	4 * SIZE(AO1, LDA3),   %xmm3

	movaps	 %xmm0, %xmm8

	unpcklpd %xmm1, %xmm0

	movaps	 %xmm2, %xmm9

	unpcklpd %xmm3, %xmm2

#ifdef PREFETCH

	PREFETCH	PREFETCHSIZE * SIZE(AO2, LDA)

#endif

	MOVAPS	4 * SIZE(AO2),         %xmm4

	MOVAPS	4 * SIZE(AO2, LDA),    %xmm5

	MOVAPS	4 * SIZE(AO2, LDA, 2), %xmm6

	MOVAPS	4 * SIZE(AO2, LDA3),   %xmm7

	movaps	 %xmm4, %xmm10

	unpcklpd %xmm5, %xmm4

	movaps	 %xmm6, %xmm11

	unpcklpd %xmm7, %xmm6

#ifdef PREFETCHW

	PREFETCHW	(PREFETCHSIZE * 8 + 32) * SIZE(B)

#endif

	movaps	%xmm0,   16 * SIZE(B)

	movaps	%xmm2,   18 * SIZE(B)

	movaps	%xmm4,   20 * SIZE(B)

	movaps	%xmm6,   22 * SIZE(B)

	unpckhpd %xmm1, %xmm8

	unpckhpd %xmm3, %xmm9

	unpckhpd %xmm5, %xmm10

	unpckhpd %xmm7, %xmm11

#ifdef PREFETCHW

	PREFETCHW	(PREFETCHSIZE * 8 + 40) * SIZE(B)

#endif

	movaps	%xmm8,   24 * SIZE(B)

	movaps	%xmm9,   26 * SIZE(B)

	movaps	%xmm10,  28 * SIZE(B)

	movaps	%xmm11,  30 * SIZE(B)

#ifdef PREFETCH

	PREFETCH	PREFETCHSIZE * SIZE(AO2, LDA, 2)

#endif

	MOVAPS	6 * SIZE(AO1),         %xmm0

	MOVAPS	6 * SIZE(AO1, LDA),    %xmm1

	MOVAPS	6 * SIZE(AO1, LDA, 2), %xmm2

	MOVAPS	6 * SIZE(AO1, LDA3),   %xmm3

	movaps	 %xmm0, %xmm8

	unpcklpd %xmm1, %xmm0

	movaps	 %xmm2, %xmm9

	unpcklpd %xmm3, %xmm2

#ifdef PREFETCH

	PREFETCH	PREFETCHSIZE * SIZE(AO2, LDA3)

#endif

	MOVAPS	6 * SIZE(AO2),         %xmm4

	MOVAPS	6 * SIZE(AO2, LDA),    %xmm5

	MOVAPS	6 * SIZE(AO2, LDA, 2), %xmm6

	MOVAPS	6 * SIZE(AO2, LDA3),   %xmm7

	movaps	 %xmm4, %xmm10

	unpcklpd %xmm5, %xmm4

	movaps	 %xmm6, %xmm11

	unpcklpd %xmm7, %xmm6

#ifdef PREFETCHW

	PREFETCHW	(PREFETCHSIZE * 8 + 48) * SIZE(B)

#endif

	movaps	%xmm0,   32 * SIZE(B)

	movaps	%xmm2,   34 * SIZE(B)

	movaps	%xmm4,   36 * SIZE(B)

	movaps	%xmm6,   38 * SIZE(B)

	unpckhpd %xmm1, %xmm8

	unpckhpd %xmm3, %xmm9

	unpckhpd %xmm5, %xmm10

	unpckhpd %xmm7, %xmm11

#ifdef PREFETCHW

	PREFETCHW	(PREFETCHSIZE * 8 + 56) * SIZE(B)

#endif

	movaps	%xmm8,   40 * SIZE(B)

	movaps	%xmm9,   42 * SIZE(B)

	movaps	%xmm10,  44 * SIZE(B)

	movaps	%xmm11,  46 * SIZE(B)

	addq	$8 * SIZE, AO1

	addq	$8 * SIZE, AO2

	subq	$-64 * SIZE, B

	decq	I

	jg	.L13

	ALIGN_4

.L14:

	testq	$4, MM

	jle	.L16

	MOVAPS	0 * SIZE(AO1),         %xmm0

	MOVAPS	0 * SIZE(AO1, LDA),    %xmm1

	MOVAPS	0 * SIZE(AO1, LDA, 2), %xmm2

	MOVAPS	0 * SIZE(AO1, LDA3),   %xmm3

	MOVAPS	0 * SIZE(AO2),         %xmm4

	MOVAPS	0 * SIZE(AO2, LDA),    %xmm5

	MOVAPS	0 * SIZE(AO2, LDA, 2), %xmm6

	MOVAPS	0 * SIZE(AO2, LDA3),   %xmm7

	movaps	 %xmm0, %xmm8

	unpcklpd %xmm1, %xmm0

	movaps	 %xmm2, %xmm9

	unpcklpd %xmm3, %xmm2

	movaps	 %xmm4, %xmm10

	unpcklpd %xmm5, %xmm4

	movaps	 %xmm6, %xmm11

	unpcklpd %xmm7, %xmm6

	movaps	%xmm0,  -16 * SIZE(B)

	movaps	%xmm2,  -14 * SIZE(B)

	movaps	%xmm4,  -12 * SIZE(B)

	movaps	%xmm6,  -10 * SIZE(B)

	unpckhpd %xmm1, %xmm8

	unpckhpd %xmm3, %xmm9

	unpckhpd %xmm5, %xmm10

	unpckhpd %xmm7, %xmm11

	movaps	%xmm8,   -8 * SIZE(B)

	movaps	%xmm9,   -6 * SIZE(B)

	movaps	%xmm10,  -4 * SIZE(B)

	movaps	%xmm11,  -2 * SIZE(B)

	MOVAPS	2 * SIZE(AO1),         %xmm0

	MOVAPS	2 * SIZE(AO1, LDA),    %xmm1

	MOVAPS	2 * SIZE(AO1, LDA, 2), %xmm2

	MOVAPS	2 * SIZE(AO1, LDA3),   %xmm3

	MOVAPS	2 * SIZE(AO2),         %xmm4

	MOVAPS	2 * SIZE(AO2, LDA),    %xmm5

	MOVAPS	2 * SIZE(AO2, LDA, 2), %xmm6

	MOVAPS	2 * SIZE(AO2, LDA3),   %xmm7

	movaps	 %xmm0, %xmm8

	unpcklpd %xmm1, %xmm0

	movaps	 %xmm2, %xmm9

	unpcklpd %xmm3, %xmm2

	movaps	 %xmm4, %xmm10

	unpcklpd %xmm5, %xmm4

	movaps	 %xmm6, %xmm11

	unpcklpd %xmm7, %xmm6

	movaps	%xmm0,    0 * SIZE(B)

	movaps	%xmm2,    2 * SIZE(B)

	movaps	%xmm4,    4 * SIZE(B)

	movaps	%xmm6,    6 * SIZE(B)

	unpckhpd %xmm1, %xmm8

	unpckhpd %xmm3, %xmm9

	unpckhpd %xmm5, %xmm10

	unpckhpd %xmm7, %xmm11

	movaps	%xmm8,    8 * SIZE(B)

	movaps	%xmm9,   10 * SIZE(B)

	movaps	%xmm10,  12 * SIZE(B)

	movaps	%xmm11,  14 * SIZE(B)

	addq	$4 * SIZE, AO1

	addq	$4 * SIZE, AO2

	subq	$-32 * SIZE, B

	ALIGN_4

.L16:

	testq	$2, MM

	jle	.L18

	MOVAPS	0 * SIZE(AO1),         %xmm0

	MOVAPS	0 * SIZE(AO1, LDA),    %xmm1

	MOVAPS	0 * SIZE(AO1, LDA, 2), %xmm2

	MOVAPS	0 * SIZE(AO1, LDA3),   %xmm3

	MOVAPS	0 * SIZE(AO2),         %xmm4

	MOVAPS	0 * SIZE(AO2, LDA),    %xmm5

	MOVAPS	0 * SIZE(AO2, LDA, 2), %xmm6

	MOVAPS	0 * SIZE(AO2, LDA3),   %xmm7

	movaps	 %xmm0, %xmm8

	unpcklpd %xmm1, %xmm0

	movaps	 %xmm2, %xmm9

	unpcklpd %xmm3, %xmm2

	movaps	 %xmm4, %xmm10

	unpcklpd %xmm5, %xmm4

	movaps	 %xmm6, %xmm11

	unpcklpd %xmm7, %xmm6

	movaps	%xmm0,  -16 * SIZE(B)

	movaps	%xmm2,  -14 * SIZE(B)

	movaps	%xmm4,  -12 * SIZE(B)

	movaps	%xmm6,  -10 * SIZE(B)

	unpckhpd %xmm1, %xmm8

	unpckhpd %xmm3, %xmm9

	unpckhpd %xmm5, %xmm10

	unpckhpd %xmm7, %xmm11

	movaps	%xmm8,   -8 * SIZE(B)

	movaps	%xmm9,   -6 * SIZE(B)

	movaps	%xmm10,  -4 * SIZE(B)

	movaps	%xmm11,  -2 * SIZE(B)

	addq	$2 * SIZE, AO1

	addq	$2 * SIZE, AO2

	subq	$-16 * SIZE, B

	ALIGN_4

.L18:

	testq	$1, MM

	jle	.L19

	movsd	0 * SIZE(AO1),         %xmm0

	movsd	0 * SIZE(AO1, LDA),    %xmm1

	movsd	0 * SIZE(AO1, LDA, 2), %xmm2

	movsd	0 * SIZE(AO1, LDA3),   %xmm3

	movsd	0 * SIZE(AO2),         %xmm4

	movsd	0 * SIZE(AO2, LDA),    %xmm5

	movsd	0 * SIZE(AO2, LDA, 2), %xmm6

	movsd	0 * SIZE(AO2, LDA3),   %xmm7

	unpcklpd %xmm1, %xmm0

	unpcklpd %xmm3, %xmm2

	unpcklpd %xmm5, %xmm4

	unpcklpd %xmm7, %xmm6

	movaps	%xmm0,  -16 * SIZE(B)

	movaps	%xmm2,  -14 * SIZE(B)

	movaps	%xmm4,  -12 * SIZE(B)

	movaps	%xmm6,  -10 * SIZE(B)

	subq	$-8 * SIZE, B

	ALIGN_4

.L19:

	decq	J

	jg	.L11

	ALIGN_4

.L20:

	testq	$4, N

	jle	.L30

	movq	A, AO1

	leaq	(A, LDA, 2), AO2

	leaq	(A, LDA, 4), A

	testq	$SIZE, A

	je	.L22

	movsd	0 * SIZE(AO1),      %xmm0

	movsd	0 * SIZE(AO1, LDA), %xmm1

	movsd	0 * SIZE(AO2),      %xmm2

	movsd	0 * SIZE(AO2, LDA), %xmm3

	unpcklpd %xmm1, %xmm0

	unpcklpd %xmm3, %xmm2

	movaps	%xmm0,  -16 * SIZE(B)

	movaps	%xmm2,  -14 * SIZE(B)

	addq	$1 * SIZE, AO1

	addq	$1 * SIZE, AO2

	subq	$-4 * SIZE, B

	ALIGN_3

.L22:

	movq	MM, I

	sarq	$3, I

	jle	.L24

	ALIGN_4

.L23:

#ifdef PREFETCH

	PREFETCH	PREFETCHSIZE * 2 * SIZE(AO1)

#endif

	MOVAPS	0 * SIZE(AO1),      %xmm0

	MOVAPS	0 * SIZE(AO1, LDA), %xmm1

	MOVAPS	0 * SIZE(AO2),      %xmm2

	MOVAPS	0 * SIZE(AO2, LDA), %xmm3

	movaps	 %xmm0, %xmm4

	unpcklpd %xmm1, %xmm0

	movaps	 %xmm2, %xmm6

	unpcklpd %xmm3, %xmm2

	unpckhpd %xmm1, %xmm4

	unpckhpd %xmm3, %xmm6

#ifdef PREFETCHW

	PREFETCHW	(PREFETCHSIZE * 8 +  0) * SIZE(B)

#endif

	movaps	%xmm0,  -16 * SIZE(B)

	movaps	%xmm2,  -14 * SIZE(B)

	movaps	%xmm4,  -12 * SIZE(B)

	movaps	%xmm6,  -10 * SIZE(B)

#ifdef PREFETCH

	PREFETCH	PREFETCHSIZE * 2 * SIZE(AO1, LDA)

#endif

	MOVAPS	2 * SIZE(AO1),      %xmm0

	MOVAPS	2 * SIZE(AO1, LDA), %xmm1

	MOVAPS	2 * SIZE(AO2),      %xmm2

	MOVAPS	2 * SIZE(AO2, LDA), %xmm3

	movaps	 %xmm0, %xmm4

	unpcklpd %xmm1, %xmm0

	movaps	 %xmm2, %xmm6

	unpcklpd %xmm3, %xmm2

	unpckhpd %xmm1, %xmm4

	unpckhpd %xmm3, %xmm6

#ifdef PREFETCHW

	PREFETCHW	(PREFETCHSIZE * 8 +  8) * SIZE(B)

#endif

	movaps	%xmm0,  -8 * SIZE(B)

	movaps	%xmm2,  -6 * SIZE(B)

	movaps	%xmm4,  -4 * SIZE(B)

	movaps	%xmm6,  -2 * SIZE(B)

#ifdef PREFETCH

	PREFETCH	PREFETCHSIZE * 2 * SIZE(AO2)

#endif

	MOVAPS	4 * SIZE(AO1),      %xmm0

	MOVAPS	4 * SIZE(AO1, LDA), %xmm1

	MOVAPS	4 * SIZE(AO2),      %xmm2

	MOVAPS	4 * SIZE(AO2, LDA), %xmm3

	movaps	 %xmm0, %xmm4

	unpcklpd %xmm1, %xmm0

	movaps	 %xmm2, %xmm6

	unpcklpd %xmm3, %xmm2

	unpckhpd %xmm1, %xmm4

	unpckhpd %xmm3, %xmm6

#ifdef PREFETCHW

	PREFETCHW	(PREFETCHSIZE * 8 + 16) * SIZE(B)

#endif

	movaps	%xmm0,   0 * SIZE(B)

	movaps	%xmm2,   2 * SIZE(B)

	movaps	%xmm4,   4 * SIZE(B)

	movaps	%xmm6,   6 * SIZE(B)

#ifdef PREFETCH

	PREFETCH	PREFETCHSIZE * 2 * SIZE(AO2, LDA)

#endif

	MOVAPS	6 * SIZE(AO1),      %xmm0

	MOVAPS	6 * SIZE(AO1, LDA), %xmm1

	MOVAPS	6 * SIZE(AO2),      %xmm2

	MOVAPS	6 * SIZE(AO2, LDA), %xmm3

	movaps	 %xmm0, %xmm4

	unpcklpd %xmm1, %xmm0

	movaps	 %xmm2, %xmm6

	unpcklpd %xmm3, %xmm2

	unpckhpd %xmm1, %xmm4

	unpckhpd %xmm3, %xmm6

#ifdef PREFETCHW

	PREFETCHW	(PREFETCHSIZE * 8 + 24) * SIZE(B)

#endif

	movaps	%xmm0,   8 * SIZE(B)

	movaps	%xmm2,  10 * SIZE(B)

	movaps	%xmm4,  12 * SIZE(B)

	movaps	%xmm6,  14 * SIZE(B)

	addq	$8 * SIZE, AO1

	addq	$8 * SIZE, AO2

	subq	$-32 * SIZE, B

	decq	I

	jg	.L23

	ALIGN_4

.L24:

	testq	$4, MM

	jle	.L26

	MOVAPS	0 * SIZE(AO1),      %xmm0

	MOVAPS	0 * SIZE(AO1, LDA), %xmm1

	MOVAPS	0 * SIZE(AO2),      %xmm2

	MOVAPS	0 * SIZE(AO2, LDA), %xmm3

	movaps	 %xmm0, %xmm4

	unpcklpd %xmm1, %xmm0

	movaps	 %xmm2, %xmm6

	unpcklpd %xmm3, %xmm2

	unpckhpd %xmm1, %xmm4

	unpckhpd %xmm3, %xmm6

	movaps	%xmm0,  -16 * SIZE(B)

	movaps	%xmm2,  -14 * SIZE(B)

	movaps	%xmm4,  -12 * SIZE(B)

	movaps	%xmm6,  -10 * SIZE(B)

	MOVAPS	2 * SIZE(AO1),      %xmm0

	MOVAPS	2 * SIZE(AO1, LDA), %xmm1

	MOVAPS	2 * SIZE(AO2),      %xmm2

	MOVAPS	2 * SIZE(AO2, LDA), %xmm3

	movaps	 %xmm0, %xmm4

	unpcklpd %xmm1, %xmm0

	movaps	 %xmm2, %xmm6

	unpcklpd %xmm3, %xmm2

	unpckhpd %xmm1, %xmm4

	unpckhpd %xmm3, %xmm6

	movaps	%xmm0,  -8 * SIZE(B)

	movaps	%xmm2,  -6 * SIZE(B)

	movaps	%xmm4,  -4 * SIZE(B)

	movaps	%xmm6,  -2 * SIZE(B)

	addq	$4 * SIZE, AO1

	addq	$4 * SIZE, AO2

	subq	$-16 * SIZE, B

	ALIGN_4

.L26:

	testq	$2, MM

	jle	.L28

	MOVAPS	0 * SIZE(AO1),      %xmm0

	MOVAPS	0 * SIZE(AO1, LDA), %xmm1

	MOVAPS	0 * SIZE(AO2),      %xmm2

	MOVAPS	0 * SIZE(AO2, LDA), %xmm3

	movaps	 %xmm0, %xmm4

	unpcklpd %xmm1, %xmm0

	movaps	 %xmm2, %xmm6

	unpcklpd %xmm3, %xmm2

	unpckhpd %xmm1, %xmm4

	unpckhpd %xmm3, %xmm6

	movaps	%xmm0,  -16 * SIZE(B)

	movaps	%xmm2,  -14 * SIZE(B)

	movaps	%xmm4,  -12 * SIZE(B)

	movaps	%xmm6,  -10 * SIZE(B)

	addq	$2 * SIZE, AO1

	addq	$2 * SIZE, AO2

	subq	$-8 * SIZE, B

	ALIGN_4

.L28:

	testq	$1, MM

	jle	.L30

	movsd	0 * SIZE(AO1),      %xmm0

	movsd	0 * SIZE(AO1, LDA), %xmm1

	movsd	0 * SIZE(AO2),      %xmm2

	movsd	0 * SIZE(AO2, LDA), %xmm3

	unpcklpd %xmm1, %xmm0

	unpcklpd %xmm3, %xmm2

	movaps	%xmm0,  -16 * SIZE(B)

	movaps	%xmm2,  -14 * SIZE(B)

	subq	$-4 * SIZE, B

	ALIGN_4

.L30:

	testq	$2, N

	jle	.L40

	movq	A, AO1

	leaq	(A, LDA), AO2

	leaq	(A, LDA, 2), A

	testq	$SIZE, A

	je	.L32

	movsd	0 * SIZE(AO1),      %xmm0

	movsd	0 * SIZE(AO2),      %xmm1

	unpcklpd %xmm1, %xmm0

	movaps	%xmm0,  -16 * SIZE(B)

	addq	$1 * SIZE, AO1

	addq	$1 * SIZE, AO2

	subq	$-2 * SIZE, B

	ALIGN_3

.L32:

	movq	MM, I

	sarq	$3, I

	jle	.L34

	ALIGN_4

.L33:

#ifdef PREFETCH

	PREFETCH	PREFETCHSIZE * 4 * SIZE(AO1)

#endif

	MOVAPS	0 * SIZE(AO1),      %xmm0

	MOVAPS	0 * SIZE(AO2),      %xmm1

	MOVAPS	2 * SIZE(AO1),      %xmm2

	MOVAPS	2 * SIZE(AO2),      %xmm3

	movaps	 %xmm0, %xmm4

	unpcklpd %xmm1, %xmm0

	movaps	 %xmm2, %xmm6

	unpcklpd %xmm3, %xmm2

	unpckhpd %xmm1, %xmm4

	unpckhpd %xmm3, %xmm6

#ifdef PREFETCHW

	PREFETCHW	(PREFETCHSIZE * 8 +  0) * SIZE(B)

#endif

	movaps	%xmm0,  -16 * SIZE(B)

	movaps	%xmm4,  -14 * SIZE(B)

	movaps	%xmm2,  -12 * SIZE(B)

	movaps	%xmm6,  -10 * SIZE(B)

#ifdef PREFETCH

	PREFETCH	PREFETCHSIZE * 4 * SIZE(AO2)

#endif

	MOVAPS	4 * SIZE(AO1), %xmm0

	MOVAPS	4 * SIZE(AO2), %xmm1

	MOVAPS	6 * SIZE(AO1), %xmm2

	MOVAPS	6 * SIZE(AO2), %xmm3

	movaps	 %xmm0, %xmm4

	unpcklpd %xmm1, %xmm0

	movaps	 %xmm2, %xmm6

	unpcklpd %xmm3, %xmm2

	unpckhpd %xmm1, %xmm4

	unpckhpd %xmm3, %xmm6

#ifdef PREFETCHW

	PREFETCHW	(PREFETCHSIZE * 8 +  8) * SIZE(B)

#endif

	movaps	%xmm0,  -8 * SIZE(B)

	movaps	%xmm4,  -6 * SIZE(B)

	movaps	%xmm2,  -4 * SIZE(B)

	movaps	%xmm6,  -2 * SIZE(B)

	addq	$8 * SIZE, AO1

	addq	$8 * SIZE, AO2

	subq	$-16 * SIZE, B

	decq	I

	jg	.L33

	ALIGN_4

.L34:

	testq	$4, MM

	jle	.L36

	MOVAPS	0 * SIZE(AO1),      %xmm0

	MOVAPS	0 * SIZE(AO2),      %xmm1

	MOVAPS	2 * SIZE(AO1),      %xmm2

	MOVAPS	2 * SIZE(AO2),      %xmm3

	movaps	 %xmm0, %xmm4

	unpcklpd %xmm1, %xmm0

	unpckhpd %xmm1, %xmm4

	movaps	 %xmm2, %xmm6

	unpcklpd %xmm3, %xmm2

	unpckhpd %xmm3, %xmm6

	movaps	%xmm0,  -16 * SIZE(B)