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

/* 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"

#define STACK	16

#define ARGS     0

#define STACK_M	 	 4 + STACK + ARGS(%esp)

#define STACK_X		20 + STACK + ARGS(%esp)

#define STACK_INCX	24 + STACK + ARGS(%esp)

#define STACK_Y		28 + STACK + ARGS(%esp)

#define STACK_INCY	32 + STACK + ARGS(%esp)

#define M	%edx

#define X	%esi

#define Y	%edi

#define INCX	%ebx

#define INCY	%ecx

#include "l1param.h"

	PROLOGUE

	PROFCODE

	pushl	%ebp

	pushl	%edi

	pushl	%esi

	pushl	%ebx

	movl	STACK_M,    M

	movl	STACK_X,    X

	movl	STACK_Y,    Y

	movl	STACK_INCX, INCX

	movl	STACK_INCY, INCY

	sall	$BASE_SHIFT, %ebx

	sall	$BASE_SHIFT, %ecx

	cmpl	$SIZE, INCX

	jne	.L50

	cmpl	$SIZE, INCY

	jne	.L50

	subl	$-32 * SIZE, X

	subl	$-32 * SIZE, Y

	cmpl	$3, M

	jle	.L16

	testl	$SIZE, Y

	je	.L05

	movss	-32 * SIZE(X), %xmm0

	movss	-32 * SIZE(Y), %xmm1

	movss	%xmm1, -32 * SIZE(X)

	movss	%xmm0, -32 * SIZE(Y)

	addl	$1 * SIZE, X

	addl	$1 * SIZE, Y

	decl	M

	ALIGN_3

.L05:

	testl	$2 * SIZE, Y

	je	.L10

	movsd	-32 * SIZE(X), %xmm0

	movsd	-32 * SIZE(Y), %xmm1

	movlps	%xmm1, -32 * SIZE(X)

	movlps	%xmm0, -32 * SIZE(Y)

	addl	$2 * SIZE, X

	addl	$2 * SIZE, Y

	subl	$2, M

	jle	.L19

	ALIGN_3

.L10:

	cmpl	$3, M

	jle	.L16

	testl	$2 * SIZE, X

	jne	.L30

	testl	$1 * SIZE, X

	jne	.L20

	movl	M,  %eax

	sarl	$5, %eax

	jle	.L13

	ALIGN_3

.L11:

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE +  0) - PREOFFSET(X)

#endif

	movaps	-32 * SIZE(X), %xmm0

	movaps	-32 * SIZE(Y), %xmm1

	movaps	%xmm0, 	-32 * SIZE(Y)

	movaps	%xmm1, 	-32 * SIZE(X)

	movaps	-28 * SIZE(X), %xmm0

	movaps	-28 * SIZE(Y), %xmm1

	movaps	%xmm0, 	-28 * SIZE(Y)

	movaps	%xmm1, 	-28 * SIZE(X)

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE +  0) - PREOFFSET(Y)

#endif

	movaps	-24 * SIZE(X), %xmm0

	movaps	-24 * SIZE(Y), %xmm1

	movaps	%xmm0, 	-24 * SIZE(Y)

	movaps	%xmm1, 	-24 * SIZE(X)

	movaps	-20 * SIZE(X), %xmm0

	movaps	-20 * SIZE(Y), %xmm1

	movaps	%xmm0, 	-20 * SIZE(Y)

	movaps	%xmm1, 	-20 * SIZE(X)

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE + 64) - PREOFFSET(X)

#endif

	movaps	-16 * SIZE(X), %xmm0

	movaps	-16 * SIZE(Y), %xmm1

	movaps	%xmm0, 	-16 * SIZE(Y)

	movaps	%xmm1, 	-16 * SIZE(X)

	movaps	-12 * SIZE(X), %xmm0

	movaps	-12 * SIZE(Y), %xmm1

	movaps	%xmm0, 	-12 * SIZE(Y)

	movaps	%xmm1, 	-12 * SIZE(X)

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE + 64) - PREOFFSET(Y)

#endif

	movaps	 -8 * SIZE(X), %xmm0

	movaps	 -8 * SIZE(Y), %xmm1

	movaps	%xmm0, 	 -8 * SIZE(Y)

	movaps	%xmm1, 	 -8 * SIZE(X)

	movaps	 -4 * SIZE(X), %xmm0

	movaps	 -4 * SIZE(Y), %xmm1

	movaps	%xmm0, 	 -4 * SIZE(Y)

	movaps	%xmm1, 	 -4 * SIZE(X)

	subl	$-32 * SIZE, Y

	subl	$-32 * SIZE, X

	decl	%eax

	jg	.L11

	ALIGN_3

.L13:

	testl	$16, M

	jle	.L14

	movaps	-32 * SIZE(X), %xmm0

	movaps	-32 * SIZE(Y), %xmm1

	movaps	%xmm0, 	-32 * SIZE(Y)

	movaps	%xmm1, 	-32 * SIZE(X)

	movaps	-28 * SIZE(X), %xmm0

	movaps	-28 * SIZE(Y), %xmm1

	movaps	%xmm0, 	-28 * SIZE(Y)

	movaps	%xmm1, 	-28 * SIZE(X)

	movaps	-24 * SIZE(X), %xmm0

	movaps	-24 * SIZE(Y), %xmm1

	movaps	%xmm0, 	-24 * SIZE(Y)

	movaps	%xmm1, 	-24 * SIZE(X)

	movaps	-20 * SIZE(X), %xmm0

	movaps	-20 * SIZE(Y), %xmm1

	movaps	%xmm0, 	-20 * SIZE(Y)

 	movaps	%xmm1, 	-20 * SIZE(X)

	addl	$16 * SIZE, X

	addl	$16 * SIZE, Y

	ALIGN_3

.L14:

	testl	$8, M

	jle	.L15

	movaps	-32 * SIZE(X), %xmm0

	movaps	-32 * SIZE(Y), %xmm1

	movaps	%xmm0, 	-32 * SIZE(Y)

	movaps	%xmm1, 	-32 * SIZE(X)

	movaps	-28 * SIZE(X), %xmm0

	movaps	-28 * SIZE(Y), %xmm1

	movaps	%xmm0, 	-28 * SIZE(Y)

	movaps	%xmm1, 	-28 * SIZE(X)

	addl	$8 * SIZE, X

	addl	$8 * SIZE, Y

	ALIGN_3

.L15:

	testl	$4, M

	jle	.L16

	movaps	-32 * SIZE(X), %xmm0

	movaps	-32 * SIZE(Y), %xmm1

	movaps	%xmm0, 	-32 * SIZE(Y)

	movaps	%xmm1, 	-32 * SIZE(X)

	addl	$4 * SIZE, X

	addl	$4 * SIZE, Y

	ALIGN_3

.L16:

	testl	$2, M

	jle	.L17

	movsd	-32 * SIZE(X), %xmm0

	movsd	-32 * SIZE(Y), %xmm1

	movlps	%xmm1, 	-32 * SIZE(X)

	addl	$2 * SIZE, X

	movlps	%xmm0, 	-32 * SIZE(Y)

	addl	$2 * SIZE, Y

	ALIGN_3

.L17:

	testl	$1, M

	jle	.L19

	movss	-32 * SIZE(X), %xmm0

	movss	-32 * SIZE(Y), %xmm1

	movss	%xmm1, 	-32 * SIZE(X)

	movss	%xmm0, 	-32 * SIZE(Y)

	ALIGN_3

.L19:

	popl	%ebx

	popl	%esi

	popl	%edi

	popl	%ebp

	ret

	ALIGN_3

.L20:

	movaps	 -33 * SIZE(X), %xmm0

	movaps	 -32 * SIZE(Y), %xmm1

	movss	%xmm1, -32 * SIZE(X)

	PSHUFD2($0x39, %xmm1, %xmm3)

	movlps	%xmm3, -31 * SIZE(X)

	subl	$3, M

	movl	M,  %eax

	sarl	$5, %eax

	jle	.L23

	ALIGN_4

.L21:

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE +  0) - PREOFFSET(X)

#endif

	movaps	-29 * SIZE(X), %xmm2

	movaps	-28 * SIZE(Y), %xmm3

	movss	%xmm2, %xmm0

	shufps	$0x39, %xmm0, %xmm0

	movaps	%xmm0, -32 * SIZE(Y)

	movss	%xmm3, %xmm1

	shufps	$0x93, %xmm3, %xmm1

	movaps	%xmm1, -29 * SIZE(X)

	movaps	-25 * SIZE(X), %xmm0

	movaps	-24 * SIZE(Y), %xmm1

	movss	%xmm0, %xmm2

	shufps	$0x39, %xmm2, %xmm2

	movaps	%xmm2, -28 * SIZE(Y)

	movss	%xmm1, %xmm3

	shufps	$0x93, %xmm1, %xmm3

	movaps	%xmm3, -25 * SIZE(X)

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE +  0) - PREOFFSET(Y)

#endif

	movaps	-21 * SIZE(X), %xmm2

	movaps	-20 * SIZE(Y), %xmm3

	movss	%xmm2, %xmm0

	shufps	$0x39, %xmm0, %xmm0

	movaps	%xmm0, -24 * SIZE(Y)

	movss	%xmm3, %xmm1

	shufps	$0x93, %xmm3, %xmm1

	movaps	%xmm1, -21 * SIZE(X)

	movaps	-17 * SIZE(X), %xmm0

	movaps	-16 * SIZE(Y), %xmm1

	movss	%xmm0, %xmm2

	shufps	$0x39, %xmm2, %xmm2

	movaps	%xmm2, -20 * SIZE(Y)

	movss	%xmm1, %xmm3

	shufps	$0x93, %xmm1, %xmm3

	movaps	%xmm3, -17 * SIZE(X)

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE + 64) - PREOFFSET(X)

#endif

	movaps	-13 * SIZE(X), %xmm2

	movaps	-12 * SIZE(Y), %xmm3

	movss	%xmm2, %xmm0

	shufps	$0x39, %xmm0, %xmm0

	movaps	%xmm0, -16 * SIZE(Y)

	movss	%xmm3, %xmm1

	shufps	$0x93, %xmm3, %xmm1

	movaps	%xmm1, -13 * SIZE(X)

	movaps	 -9 * SIZE(X), %xmm0

	movaps	 -8 * SIZE(Y), %xmm1

	movss	%xmm0, %xmm2

	shufps	$0x39, %xmm2, %xmm2

	movaps	%xmm2, -12 * SIZE(Y)

	movss	%xmm1, %xmm3

	shufps	$0x93, %xmm1, %xmm3

	movaps	%xmm3,  -9 * SIZE(X)

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE + 64) - PREOFFSET(Y)

#endif

	movaps	 -5 * SIZE(X), %xmm2

	movaps	 -4 * SIZE(Y), %xmm3

	movss	%xmm2, %xmm0

	shufps	$0x39, %xmm0, %xmm0

	movaps	%xmm0,  -8 * SIZE(Y)

	movss	%xmm3, %xmm1

	shufps	$0x93, %xmm3, %xmm1

	movaps	%xmm1,  -5 * SIZE(X)

	movaps	 -1 * SIZE(X), %xmm0

	movaps	  0 * SIZE(Y), %xmm1

	movss	%xmm0, %xmm2

	shufps	$0x39, %xmm2, %xmm2

	movaps	%xmm2,  -4 * SIZE(Y)

	movss	%xmm1, %xmm3

	shufps	$0x93, %xmm1, %xmm3

	movaps	%xmm3,  -1 * SIZE(X)

	subl	$-32 * SIZE, X

	subl	$-32 * SIZE, Y

	decl	%eax

	jg	.L21

	ALIGN_3

.L23:

	testl	$16, M

	jle	.L24

	movaps	-29 * SIZE(X), %xmm2

	movaps	-28 * SIZE(Y), %xmm3

	movss	%xmm2, %xmm0

	shufps	$0x39, %xmm0, %xmm0

	movaps	%xmm0, -32 * SIZE(Y)

	movss	%xmm3, %xmm1

	shufps	$0x93, %xmm3, %xmm1

	movaps	%xmm1, -29 * SIZE(X)

	movaps	-25 * SIZE(X), %xmm0

	movaps	-24 * SIZE(Y), %xmm1

	movss	%xmm0, %xmm2

	shufps	$0x39, %xmm2, %xmm2

	movaps	%xmm2, -28 * SIZE(Y)

	movss	%xmm1, %xmm3

	shufps	$0x93, %xmm1, %xmm3

	movaps	%xmm3, -25 * SIZE(X)

	movaps	-21 * SIZE(X), %xmm2

	movaps	-20 * SIZE(Y), %xmm3

	movss	%xmm2, %xmm0

	shufps	$0x39, %xmm0, %xmm0

	movaps	%xmm0, -24 * SIZE(Y)

	movss	%xmm3, %xmm1

	shufps	$0x93, %xmm3, %xmm1

	movaps	%xmm1, -21 * SIZE(X)

	movaps	-17 * SIZE(X), %xmm0

	movaps	-16 * SIZE(Y), %xmm1

	movss	%xmm0, %xmm2

	shufps	$0x39, %xmm2, %xmm2

	movaps	%xmm2, -20 * SIZE(Y)

	movss	%xmm1, %xmm3

	shufps	$0x93, %xmm1, %xmm3

	movaps	%xmm3, -17 * SIZE(X)

	addl	$16 * SIZE, X

	addl	$16 * SIZE, Y

	ALIGN_3

.L24:

	testl	$8, M

	jle	.L25

	movaps	-29 * SIZE(X), %xmm2

	movaps	-28 * SIZE(Y), %xmm3

	movss	%xmm2, %xmm0

	shufps	$0x39, %xmm0, %xmm0

	movaps	%xmm0, -32 * SIZE(Y)

	movss	%xmm3, %xmm1

	shufps	$0x93, %xmm3, %xmm1

	movaps	%xmm1, -29 * SIZE(X)

	movaps	-25 * SIZE(X), %xmm0

	movaps	-24 * SIZE(Y), %xmm1

	movss	%xmm0, %xmm2

	shufps	$0x39, %xmm2, %xmm2

	movaps	%xmm2, -28 * SIZE(Y)

	movss	%xmm1, %xmm3

	shufps	$0x93, %xmm1, %xmm3

	movaps	%xmm3, -25 * SIZE(X)

	addl	$8 * SIZE, X

	addl	$8 * SIZE, Y

	ALIGN_3

.L25:

	testl	$4, M

	jle	.L26

	movaps	-29 * SIZE(X), %xmm2

	movaps	-28 * SIZE(Y), %xmm3

	movss	%xmm2, %xmm0

	shufps	$0x39, %xmm0, %xmm0

	movaps	%xmm0, -32 * SIZE(Y)

	movss	%xmm3, %xmm1

	shufps	$0x93, %xmm3, %xmm1

	movaps	%xmm1, -29 * SIZE(X)

	movaps	%xmm2, %xmm0

	movaps	%xmm3, %xmm1

	addl	$4 * SIZE, X

	addl	$4 * SIZE, Y

	ALIGN_3

.L26:

	PSHUFD2($0x39, %xmm0, %xmm2)

	PSHUFD1($0xff, %xmm0)

	movlps	%xmm2, -32 * SIZE(Y)

	movss	%xmm0, -30 * SIZE(Y)

	testl	$2, M

	jle	.L27

	movsd	-29 * SIZE(X), %xmm0

	movsd	-29 * SIZE(Y), %xmm1

	movlps	%xmm0, -29 * SIZE(Y)

	movlps	%xmm1, -29 * SIZE(X)

	addl	$2 * SIZE, X

	addl	$2 * SIZE, Y

	ALIGN_3

.L27:

	testl	$1, M

	jle	.L29

	movss	-29 * SIZE(X), %xmm0

	movss	-29 * SIZE(Y), %xmm1

	movss	%xmm0, -29 * SIZE(Y)

	movss	%xmm1, -29 * SIZE(X)

	ALIGN_3

.L29:

	popl	%ebx

	popl	%esi

	popl	%edi

	popl	%ebp

	ret

	ALIGN_3

.L30:

	testl	$1 * SIZE, X

	jne	.L40

	movhps	 -32 * SIZE(X), %xmm0

	movaps	 -32 * SIZE(Y), %xmm1

	movlps	%xmm1, -32 * SIZE(X)

	subl	$2, M

	movl	M,  %eax

	sarl	$5, %eax

	jle	.L33

	ALIGN_4

.L31:

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE +  0) - PREOFFSET(X)

#endif

	movaps	-30 * SIZE(X), %xmm2

	movaps	-28 * SIZE(Y), %xmm3

	SHUFPD_1  %xmm2, %xmm0

	movaps	%xmm0, -32 * SIZE(Y)

	SHUFPD_1  %xmm3, %xmm1

	movaps	%xmm1, -30 * SIZE(X)

	movaps	-26 * SIZE(X), %xmm0

	movaps	-24 * SIZE(Y), %xmm1

	SHUFPD_1  %xmm0, %xmm2

	movaps	%xmm2, -28 * SIZE(Y)

	SHUFPD_1  %xmm1, %xmm3

	movaps	%xmm3, -26 * SIZE(X)

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE +  0) - PREOFFSET(Y)

#endif

	movaps	-22 * SIZE(X), %xmm2

	movaps	-20 * SIZE(Y), %xmm3

	SHUFPD_1  %xmm2, %xmm0

	movaps	%xmm0, -24 * SIZE(Y)

	SHUFPD_1  %xmm3, %xmm1

	movaps	%xmm1, -22 * SIZE(X)

	movaps	-18 * SIZE(X), %xmm0

	movaps	-16 * SIZE(Y), %xmm1

	SHUFPD_1  %xmm0, %xmm2

	movaps	%xmm2, -20 * SIZE(Y)

	SHUFPD_1  %xmm1, %xmm3

	movaps	%xmm3, -18 * SIZE(X)

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE + 64) - PREOFFSET(X)

#endif

	movaps	-14 * SIZE(X), %xmm2

	movaps	-12 * SIZE(Y), %xmm3

	SHUFPD_1  %xmm2, %xmm0

	movaps	%xmm0, -16 * SIZE(Y)

	SHUFPD_1  %xmm3, %xmm1

	movaps	%xmm1, -14 * SIZE(X)

	movaps	-10 * SIZE(X), %xmm0

	movaps	 -8 * SIZE(Y), %xmm1

	SHUFPD_1  %xmm0, %xmm2

	movaps	%xmm2, -12 * SIZE(Y)

	SHUFPD_1  %xmm1, %xmm3

	movaps	%xmm3, -10 * SIZE(X)

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE + 64) - PREOFFSET(Y)

#endif

	movaps	 -6 * SIZE(X), %xmm2

	movaps	 -4 * SIZE(Y), %xmm3

	SHUFPD_1  %xmm2, %xmm0

	movaps	%xmm0,  -8 * SIZE(Y)

	SHUFPD_1  %xmm3, %xmm1

	movaps	%xmm1,  -6 * SIZE(X)

	movaps	 -2 * SIZE(X), %xmm0

	movaps	  0 * SIZE(Y), %xmm1

	SHUFPD_1  %xmm0, %xmm2

	movaps	%xmm2,  -4 * SIZE(Y)

	SHUFPD_1  %xmm1, %xmm3

	movaps	%xmm3,  -2 * SIZE(X)

	subl	$-32 * SIZE, X

	subl	$-32 * SIZE, Y

	decl	%eax

	jg	.L31

	ALIGN_3

.L33:

	testl	$16, M

	jle	.L34

	movaps	-30 * SIZE(X), %xmm2

	movaps	-28 * SIZE(Y), %xmm3

	SHUFPD_1  %xmm2, %xmm0

	movaps	%xmm0, -32 * SIZE(Y)

	SHUFPD_1  %xmm3, %xmm1

	movaps	%xmm1, -30 * SIZE(X)

	movaps	-26 * SIZE(X), %xmm0

	movaps	-24 * SIZE(Y), %xmm1

	SHUFPD_1  %xmm0, %xmm2

	movaps	%xmm2, -28 * SIZE(Y)

	SHUFPD_1  %xmm1, %xmm3

	movaps	%xmm3, -26 * SIZE(X)

	movaps	-22 * SIZE(X), %xmm2

	movaps	-20 * SIZE(Y), %xmm3

	SHUFPD_1  %xmm2, %xmm0

	movaps	%xmm0, -24 * SIZE(Y)

	SHUFPD_1  %xmm3, %xmm1

	movaps	%xmm1, -22 * SIZE(X)

	movaps	-18 * SIZE(X), %xmm0

	movaps	-16 * SIZE(Y), %xmm1

	SHUFPD_1  %xmm0, %xmm2

	movaps	%xmm2, -20 * SIZE(Y)

	SHUFPD_1  %xmm1, %xmm3

	movaps	%xmm3, -18 * SIZE(X)

	addl	$16 * SIZE, X

	addl	$16 * SIZE, Y

	ALIGN_3

.L34:

	testl	$8, M

	jle	.L35

	movaps	-30 * SIZE(X), %xmm2

	movaps	-28 * SIZE(Y), %xmm3

	SHUFPD_1  %xmm2, %xmm0

	movaps	%xmm0, -32 * SIZE(Y)

	SHUFPD_1  %xmm3, %xmm1

	movaps	%xmm1, -30 * SIZE(X)

	movaps	-26 * SIZE(X), %xmm0

	movaps	-24 * SIZE(Y), %xmm1

	SHUFPD_1  %xmm0, %xmm2

	movaps	%xmm2, -28 * SIZE(Y)

	SHUFPD_1  %xmm1, %xmm3

	movaps	%xmm3, -26 * SIZE(X)

	addl	$8 * SIZE, X

	addl	$8 * SIZE, Y

	ALIGN_3

.L35:

	testl	$4, M

	jle	.L36

	movaps	-30 * SIZE(X), %xmm2

	movaps	-28 * SIZE(Y), %xmm3

	SHUFPD_1  %xmm2, %xmm0

	movaps	%xmm0, -32 * SIZE(Y)

	SHUFPD_1  %xmm3, %xmm1

	movaps	%xmm1, -30 * SIZE(X)

	movaps	%xmm2, %xmm0

	movaps	%xmm3, %xmm1

	addl	$4 * SIZE, X

	addl	$4 * SIZE, Y

	ALIGN_3

.L36:

	movhps	%xmm0, -32 * SIZE(Y)

	testl	$2, M

	jle	.L37

	movsd	-30 * SIZE(X), %xmm0

	movsd	-30 * SIZE(Y), %xmm1

	movlps	%xmm0, -30 * SIZE(Y)

	movlps	%xmm1, -30 * SIZE(X)

	addl	$2 * SIZE, X

	addl	$2 * SIZE, Y

	ALIGN_3

.L37:

	testl	$1, M

	jle	.L39

	movss	-30 * SIZE(X), %xmm0

	movss	-30 * SIZE(Y), %xmm1

	movss	%xmm0, -30 * SIZE(Y)

	movss	%xmm1, -30 * SIZE(X)

	ALIGN_3

.L39:

	popl	%ebx

	popl	%esi

	popl	%edi

	popl	%ebp

	ret

	ALIGN_3

.L40:

	movaps	 -35 * SIZE(X), %xmm0

	movaps	 -32 * SIZE(Y), %xmm1

	movss	%xmm1, -32 * SIZE(X)

	subl	$3, M

	movl	M,  %eax

	sarl	$5, %eax

	jle	.L43

	ALIGN_4

.L41:

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE +  0) - PREOFFSET(X)

#endif

	movaps	-31 * SIZE(X), %xmm2

	movaps	-28 * SIZE(Y), %xmm3

	movss	%xmm2, %xmm0

	shufps	$0x93, %xmm2, %xmm0

	movaps	%xmm0, -32 * SIZE(Y)

	movss	%xmm3, %xmm1

	shufps	$0x39, %xmm1, %xmm1

	movaps	%xmm1, -31 * SIZE(X)

	movaps	-27 * SIZE(X), %xmm0

	movaps	-24 * SIZE(Y), %xmm1

	movss	%xmm0, %xmm2

	shufps	$0x93, %xmm0, %xmm2

	movaps	%xmm2, -28 * SIZE(Y)

	movss	%xmm1, %xmm3

	shufps	$0x39, %xmm3, %xmm3

	movaps	%xmm3, -27 * SIZE(X)

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE +  0) - PREOFFSET(Y)

#endif

	movaps	-23 * SIZE(X), %xmm2

	movaps	-20 * SIZE(Y), %xmm3

	movss	%xmm2, %xmm0

	shufps	$0x93, %xmm2, %xmm0

	movaps	%xmm0, -24 * SIZE(Y)

	movss	%xmm3, %xmm1

	shufps	$0x39, %xmm1, %xmm1

	movaps	%xmm1, -23 * SIZE(X)

	movaps	-19 * SIZE(X), %xmm0

	movaps	-16 * SIZE(Y), %xmm1

	movss	%xmm0, %xmm2

	shufps	$0x93, %xmm0, %xmm2

	movaps	%xmm2, -20 * SIZE(Y)

	movss	%xmm1, %xmm3

	shufps	$0x39, %xmm3, %xmm3

	movaps	%xmm3, -19 * SIZE(X)

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE + 64) - PREOFFSET(X)

#endif

	movaps	-15 * SIZE(X), %xmm2

	movaps	-12 * SIZE(Y), %xmm3

	movss	%xmm2, %xmm0

	shufps	$0x93, %xmm2, %xmm0

	movaps	%xmm0, -16 * SIZE(Y)

	movss	%xmm3, %xmm1

	shufps	$0x39, %xmm1, %xmm1

	movaps	%xmm1, -15 * SIZE(X)

	movaps	-11 * SIZE(X), %xmm0

	movaps	 -8 * SIZE(Y), %xmm1

	movss	%xmm0, %xmm2

	shufps	$0x93, %xmm0, %xmm2

	movaps	%xmm2, -12 * SIZE(Y)

	movss	%xmm1, %xmm3

	shufps	$0x39, %xmm3, %xmm3

	movaps	%xmm3, -11 * SIZE(X)

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE + 64) - PREOFFSET(Y)

#endif

	movaps	 -7 * SIZE(X), %xmm2

	movaps	 -4 * SIZE(Y), %xmm3

	movss	%xmm2, %xmm0

	shufps	$0x93, %xmm2, %xmm0

	movaps	%xmm0,  -8 * SIZE(Y)

	movss	%xmm3, %xmm1

	shufps	$0x39, %xmm1, %xmm1

	movaps	%xmm1,  -7 * SIZE(X)

	movaps	 -3 * SIZE(X), %xmm0