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

/* 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 N	ARG1

#define X	ARG4

#define INCX	ARG5

#define I	%rax

#include "l1param.h"

	PROLOGUE

	PROFCODE

	salq	$ZBASE_SHIFT, INCX

	FLD	 8(%rsp)

	FLD	24(%rsp)

	testq	N, N

	jle	.L999

	fld	%st(1)

	fabs

	fld	%st(1)

	fabs

	faddp	%st, %st(1)

	fldz

	fcomip	%st(1), %st

	ffreep	%st

	jne	.L30

	EMMS

	pxor	%mm0, %mm0

	cmpq	$2 * SIZE, INCX

	jne	.L20

	movq	N,  I

	sarq	$2, I

	jle	.L15

	ALIGN_4

.L12:

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE +  0) - PREOFFSET(X)

#endif

	movq	%mm0,   0(X)

	movq	%mm0,   8(X)

	movq	%mm0,  16(X)

	movq	%mm0,  24(X)

	movq	%mm0,  32(X)

	movq	%mm0,  40(X)

	movq	%mm0,  48(X)

	movq	%mm0,  56(X)

	movq	%mm0,  64(X)

	movq	%mm0,  72(X)

	movq	%mm0,  80(X)

	movq	%mm0,  88(X)

	movq	%mm0,  96(X)

	movq	%mm0, 104(X)

	movq	%mm0, 112(X)

	movq	%mm0, 120(X)

	addq	$8 * SIZE, X

	decq	I

	jg	.L12

	ALIGN_3

.L15:

	movq	N,  I

	andq	$3, I

	jle	.L18

	ALIGN_2

.L16:

	movq	%mm0,   0(X)

	movq	%mm0,   8(X)

	movq	%mm0,  16(X)

	movq	%mm0,  24(X)

	addq	$2 * SIZE, X

	decq	I

	jg	.L16

.L18:

	EMMS

	ret

	ALIGN_2

.L20:

	movq	N,  I

	sarq	$2, I

	jle	.L25

	ALIGN_3

.L22:

	movq	%mm0,   0(X)

	movq	%mm0,   8(X)

	movq	%mm0,  16(X)

	movq	%mm0,  24(X)

	addq	INCX, X

	movq	%mm0,   0(X)

	movq	%mm0,   8(X)

	movq	%mm0,  16(X)

	movq	%mm0,  24(X)

	addq	INCX, X

	movq	%mm0,   0(X)

	movq	%mm0,   8(X)

	movq	%mm0,  16(X)

	movq	%mm0,  24(X)

	addq	INCX, X

	movq	%mm0,   0(X)

	movq	%mm0,   8(X)

	movq	%mm0,  16(X)

	movq	%mm0,  24(X)

	addq	INCX, X

	decq	I

	jg	.L22

	ALIGN_3

.L25:

	movq	N,  I

	andq	$3, I

	jle	.L28

	ALIGN_3

.L26:

	movq	%mm0,   0(X)

	movq	%mm0,   8(X)

	movq	%mm0,  16(X)

	movq	%mm0,  24(X)

	addq	INCX, X

	decq	I

	jg	.L26

.L28:

	EMMS

	ret

	ALIGN_3

.L30:

	movq	N, I

	ALIGN_2

.L32:

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE +  0) - PREOFFSET(X)

#endif

	FLD	0 * SIZE(X)

	fmul	%st(1),%st

	FLD	1 * SIZE(X)

	fmul	%st(3),%st

	faddp	%st,%st(1)

	FLD	0 * SIZE(X)

	fmul	%st(3),%st

	FLD	1 * SIZE(X)

	fmul	%st(3),%st

	fsubrp	%st,%st(1)

	FST	0 * SIZE(X)

	FST	1 * SIZE(X)

	addq	INCX, X

	decq	I

	jg	.L32

	ALIGN_2

.L999:

	ffreep	%st

	ffreep	%st

	ret

	EPILOGUE