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

/* 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 M	ARG1	/* rdi */

#define X	ARG2	/* rsi */

#define INCX	ARG3	/* rdx */

#define I	%rax

#include "l1param.h"

	PROLOGUE

	PROFCODE

	SAVEREGISTERS

	pxor	%xmm0, %xmm0

	testq	M, M

	jle	.L999

	pxor	%xmm1, %xmm1

	testq	INCX, INCX

	jle	.L999

	pxor	%xmm2, %xmm2

	leaq	(, INCX, SIZE), INCX

	pxor	%xmm3, %xmm3

	cmpq	$SIZE, INCX

	jne	.L40

	testq	$SIZE, X

	je	.L05

	movss	0 * SIZE(X), %xmm4

	cvtss2sd %xmm4, %xmm6

	mulsd	 %xmm6, %xmm6

	addsd	 %xmm6, %xmm3

	addq	INCX, X

	decq	M

	jle	.L998

	ALIGN_3

.L05:

	movq	M,  I

	sarq	$3, I

	jle	.L14

	movsd	0 * SIZE(X), %xmm4

	movsd	2 * SIZE(X), %xmm5

	movsd	4 * SIZE(X), %xmm6

	movsd	6 * SIZE(X), %xmm7

	addq	$8 * SIZE, X

	decq	I

	jle	.L12

	ALIGN_3

.L10:

#ifdef PREFETCH

	PREFETCH (PREFETCHSIZE +  0) - PREOFFSET(X)

#endif

	cvtps2pd %xmm4, %xmm8

	cvtps2pd %xmm5, %xmm9

	cvtps2pd %xmm6, %xmm10

	cvtps2pd %xmm7, %xmm11

	movsd	0 * SIZE(X), %xmm4

	movsd	2 * SIZE(X), %xmm5

	movsd	4 * SIZE(X), %xmm6

	movsd	6 * SIZE(X), %xmm7

	mulpd	 %xmm8,  %xmm8

	mulpd	 %xmm9,  %xmm9

	mulpd	 %xmm10, %xmm10

	mulpd	 %xmm11, %xmm11

	addpd	 %xmm8,  %xmm0

	addpd	 %xmm9,  %xmm1

	addpd	 %xmm10, %xmm2

	addpd	 %xmm11, %xmm3

	addq	$8 * SIZE, X

	decq	I

	jg	.L10

	ALIGN_3

.L12:

	cvtps2pd %xmm4, %xmm8

	cvtps2pd %xmm5, %xmm9

	cvtps2pd %xmm6, %xmm10

	cvtps2pd %xmm7, %xmm11

	mulpd	 %xmm8,  %xmm8

	mulpd	 %xmm9,  %xmm9

	mulpd	 %xmm10, %xmm10

	mulpd	 %xmm11, %xmm11

	addpd	 %xmm8,  %xmm0

	addpd	 %xmm9,  %xmm1

	addpd	 %xmm10, %xmm2

	addpd	 %xmm11, %xmm3

	ALIGN_3

.L14:

	testq	$4,  M

	je	.L15

	movsd	0 * SIZE(X), %xmm4

	movsd	2 * SIZE(X), %xmm5

	cvtps2pd %xmm4, %xmm6

	cvtps2pd %xmm5, %xmm7

	mulpd	 %xmm6, %xmm6

	mulpd	 %xmm7, %xmm7

	addpd	 %xmm6, %xmm0

	addpd	 %xmm7, %xmm1

	addq	$4 * SIZE, X

	ALIGN_3

.L15:

	testq	$2,  M

	je	.L16

	movsd	0 * SIZE(X), %xmm4

	cvtps2pd %xmm4, %xmm6

	mulpd	 %xmm6, %xmm6

	addpd	 %xmm6, %xmm2

	addq	$2 * SIZE, X

	ALIGN_3

.L16:

	testq	$1,  M

	je	.L998

	movss	0 * SIZE(X), %xmm4

	cvtss2sd %xmm4, %xmm6

	mulsd	 %xmm6, %xmm6

	addsd	 %xmm6, %xmm3

	jmp	.L998

	ALIGN_4

.L40:

	movq	M,  I

	sarq	$3, I

	jle	.L44

	ALIGN_4

.L41:

	movss	(X), %xmm4

	addq	INCX, X

	movss	(X), %xmm5

	addq	INCX, X

	movss	(X), %xmm6

	addq	INCX, X

	movss	(X), %xmm7

	addq	INCX, X

	movss	(X), %xmm8

	addq	INCX, X

	movss	(X), %xmm9

	addq	INCX, X

	movss	(X), %xmm10

	addq	INCX, X

	movss	(X), %xmm11

	addq	INCX, X

	cvtss2sd %xmm4,  %xmm4

	cvtss2sd %xmm5,  %xmm5

	cvtss2sd %xmm6,  %xmm6

	cvtss2sd %xmm7,  %xmm7

	cvtss2sd %xmm8,  %xmm8

	cvtss2sd %xmm9,  %xmm9

	cvtss2sd %xmm10, %xmm10

	cvtss2sd %xmm11, %xmm11

	mulsd	 %xmm4,  %xmm4

	mulsd	 %xmm5,  %xmm5

	mulsd	 %xmm6,  %xmm6

	mulsd	 %xmm7,  %xmm7

	addsd	 %xmm4,  %xmm0

	addsd	 %xmm5,  %xmm1

	addsd	 %xmm6,  %xmm2

	addsd	 %xmm7,  %xmm3

	mulsd	 %xmm8,  %xmm8

	mulsd	 %xmm9,  %xmm9

	mulsd	 %xmm10, %xmm10

	mulsd	 %xmm11, %xmm11

	addsd	 %xmm8,  %xmm0

	addsd	 %xmm9,  %xmm1

	addsd	 %xmm10, %xmm2

	addsd	 %xmm11, %xmm3

	decq	I

	jg	.L41

	ALIGN_3

.L44:

	testq	$4,  M

	je	.L45

	movss	(X), %xmm4

	addq	INCX, X

	movss	(X), %xmm5

	addq	INCX, X

	movss	(X), %xmm6

	addq	INCX, X

	movss	(X), %xmm7

	addq	INCX, X

	cvtss2sd %xmm4, %xmm8

	cvtss2sd %xmm5, %xmm9

	cvtss2sd %xmm6, %xmm10

	cvtss2sd %xmm7, %xmm11

	mulsd	 %xmm8,  %xmm8

	mulsd	 %xmm9,  %xmm9

	mulsd	 %xmm10, %xmm10

	mulsd	 %xmm11, %xmm11

	addsd	 %xmm8,  %xmm0

	addsd	 %xmm9,  %xmm1

	addsd	 %xmm10, %xmm2

	addsd	 %xmm11, %xmm3

	ALIGN_3

.L45:

	testq	$2,  M

	je	.L46

	movss	(X), %xmm4

	addq	INCX, X

	movss	(X), %xmm5

	addq	INCX, X

	cvtss2sd %xmm4, %xmm6

	cvtss2sd %xmm5, %xmm7

	mulsd	 %xmm6, %xmm6

	mulsd	 %xmm7, %xmm7

	addsd	 %xmm6, %xmm1

	addsd	 %xmm7, %xmm2

	ALIGN_3

.L46:

	testq	$1,  M

	je	.L998

	movss	(X), %xmm4

	cvtss2sd %xmm4, %xmm6

	mulsd	 %xmm6, %xmm6

	addsd	 %xmm6, %xmm3

	ALIGN_4

.L998:

	addpd	%xmm1, %xmm0

	addpd	%xmm3, %xmm2

	addpd	%xmm2, %xmm0

#ifndef HAVE_SSE3

	movapd	%xmm0, %xmm1

	unpckhpd	%xmm0, %xmm0

	addsd	%xmm1, %xmm0

#else

	haddpd	%xmm0, %xmm0

#endif

	ALIGN_4

.L999:

	sqrtsd	%xmm0,  %xmm0

	cvtsd2ss %xmm0, %xmm0

	RESTOREREGISTERS

	ret

	EPILOGUE