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

/* 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	%i0

#define X	%i1

#define INCX	%i2

#define Y	%i3

#define INCY	%i4

#define I	%i5

#ifdef DOUBLE

#define a1	%f0

#define a2	%f2

#define a3	%f4

#define a4	%f6

#define a5	%f8

#define a6	%f10

#define a7	%f12

#define a8	%f14

#else

#define a1	%f0

#define a2	%f1

#define a3	%f2

#define a4	%f3

#define a5	%f4

#define a6	%f5

#define a7	%f6

#define a8	%f7

#endif

	PROLOGUE

	SAVESP

	sll	INCX, ZBASE_SHIFT, INCX

	sll	INCY, ZBASE_SHIFT, INCY

	cmp	INCX, 2 * SIZE

	bne	.LL50

	nop

	cmp	INCY, 2 * SIZE

	bne	.LL50

	nop

	sra	N, 2, I

	cmp	I, 0

	ble,pn	%icc, .LL15

	nop

#define PREFETCHSIZE 32

.LL11:

	prefetch [X  + PREFETCHSIZE * SIZE], 0

	prefetch [Y  + PREFETCHSIZE * SIZE], 0

	LDF	[X +  0 * SIZE], a1

	LDF	[X +  1 * SIZE], a2

	LDF	[X +  2 * SIZE], a3

	LDF	[X +  3 * SIZE], a4

	LDF	[X +  4 * SIZE], a5

	LDF	[X +  5 * SIZE], a6

	LDF	[X +  6 * SIZE], a7

	LDF	[X +  7 * SIZE], a8

	STF	a1, [Y +  0 * SIZE]

	add	I, -1, I

	STF	a2, [Y +  1 * SIZE]

	cmp	I, 0

	STF	a3, [Y +  2 * SIZE]

	add	X, 8 * SIZE, X

	STF	a4, [Y +  3 * SIZE]

	STF	a5, [Y +  4 * SIZE]

	STF	a6, [Y +  5 * SIZE]

	STF	a7, [Y +  6 * SIZE]

	STF	a8, [Y +  7 * SIZE]

	bg,pt	%icc, .LL11

	add	Y, 8 * SIZE, Y

.LL15:

	and	N, 3, I

	cmp	I,  0

	ble,a,pn %icc, .LL19

	nop

.LL16:

	LDF	[X +  0 * SIZE], a1

	LDF	[X +  1 * SIZE], a2

	add	I, -1, I

	cmp	I, 0

	STF	a1, [Y +  0 * SIZE]

	add	X, 2 * SIZE, X

	STF	a2, [Y +  1 * SIZE]

	bg,pt	%icc, .LL16

	add	Y, 2 * SIZE, Y

.LL19:

	return	%i7 + 8

	clr	%g0

.LL50:

	sra	N, 2, I

	cmp	I, 0

	ble,pn	%icc, .LL55

	nop

.LL51:

	LDF	[X +  0 * SIZE], a1

	LDF	[X +  1 * SIZE], a2

	add	X, INCX, X

	LDF	[X +  0 * SIZE], a3

	LDF	[X +  1 * SIZE], a4

	add	X, INCX, X

	LDF	[X +  0 * SIZE], a5

	LDF	[X +  1 * SIZE], a6

	add	X, INCX, X

	LDF	[X +  0 * SIZE], a7

	LDF	[X +  1 * SIZE], a8

	add	X, INCX, X

	STF	a1, [Y +  0 * SIZE]

	add	I, -1, I

	STF	a2, [Y +  1 * SIZE]

	add	Y, INCY, Y

	cmp	I, 0

	STF	a3, [Y +  0 * SIZE]

	STF	a4, [Y +  1 * SIZE]

	add	Y, INCY, Y

	STF	a5, [Y +  0 * SIZE]

	STF	a6, [Y +  1 * SIZE]

	add	Y, INCY, Y

	STF	a7, [Y +  0 * SIZE]

	STF	a8, [Y +  1 * SIZE]

	bg,pt	%icc, .LL51

	add	Y, INCY, Y

.LL55:

	and	N, 3, I

	cmp	I,  0

	ble,a,pn %icc, .LL59

	nop

.LL56:

	LDF	[X +  0 * SIZE], a1

	LDF	[X +  1 * SIZE], a2

	add	I, -1, I

	cmp	I, 0

	add	X, INCX, X

	STF	a1, [Y +  0 * SIZE]

	STF	a2, [Y +  1 * SIZE]

	bg,pt	%icc, .LL56

	add	Y, INCY, Y

.LL59:

	return	%i7 + 8

	clr	%o0

	EPILOGUE