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

/* 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"

#ifndef WINDOWS_ABI

#define N	ARG1	/* rdi */

#define X	ARG4

#define INCX	ARG5

#define Y	ARG6

#define INCY	ARG2

#else

#define N	ARG1

#define X	ARG2

#define INCX	ARG3

#define Y	ARG4

#define INCY	%rbx

#endif

#define XX	%r10

#define YY	%r11

#include "l1param.h"

	PROLOGUE

	PROFCODE

#ifndef WINDOWS_ABI

#ifndef XDOUBLE

	movq	 8(%rsp), INCY

#else

	movq	40(%rsp), INCY

#endif

#else

	pushq	%rbx

	movq	56(%rsp), X

	movq	64(%rsp), INCX

	movq	72(%rsp), Y

	movq	80(%rsp), INCY

#endif

	EMMS

	salq	$ZBASE_SHIFT, INCX

	salq	$ZBASE_SHIFT, INCY

	cmpq	$2 * SIZE, INCX

	jne	.L14

	cmpq	$2 * SIZE, INCY

	jne	.L14

	movq	N,  %rax

	sarq	$2, %rax

	jle	.L15

	ALIGN_3

.L16:

#ifdef XDOUBLE

	movq	  0(X), %mm0

	movq	  8(X), %mm1

	movq	 16(X), %mm2

	movq	 24(X), %mm3

	movq	  0(Y), %mm4

	movq	  8(Y), %mm5

	movq	 16(Y), %mm6

	movq	 24(Y), %mm7

	movq	%mm4,   0(X)

	movq	%mm5,   8(X)

	movq	%mm6,  16(X)

	movq	%mm7,  24(X)

	movq	%mm0,   0(Y)

	movq	%mm1,   8(Y)

	movq	%mm2,  16(Y)

	movq	%mm3,  24(Y)

	movq	 32(X), %mm0

	movq	 40(X), %mm1

	movq	 48(X), %mm2

	movq	 56(X), %mm3

	movq	 32(Y), %mm4

	movq	 40(Y), %mm5

	movq	 48(Y), %mm6

	movq	 56(Y), %mm7

	movq	%mm4,  32(X)

	movq	%mm5,  40(X)

	movq	%mm6,  48(X)

	movq	%mm7,  56(X)

	movq	%mm0,  32(Y)

	movq	%mm1,  40(Y)

	movq	%mm2,  48(Y)

	movq	%mm3,  56(Y)

	movq	 64(X), %mm0

	movq	 72(X), %mm1

	movq	 80(X), %mm2

	movq	 88(X), %mm3

	movq	 64(Y), %mm4

	movq	 72(Y), %mm5

	movq	 80(Y), %mm6

	movq	 88(Y), %mm7

	movq	%mm4,  64(X)

	movq	%mm5,  72(X)

	movq	%mm6,  80(X)

	movq	%mm7,  88(X)

	movq	%mm0,  64(Y)

	movq	%mm1,  72(Y)

	movq	%mm2,  80(Y)

	movq	%mm3,  88(Y)

	movq	 96(X), %mm0

	movq	104(X), %mm1

	movq	112(X), %mm2

	movq	120(X), %mm3

	movq	 96(Y), %mm4

	movq	104(Y), %mm5

	movq	112(Y), %mm6

	movq	120(Y), %mm7

	movq	%mm4,  96(X)

	movq	%mm5, 104(X)

	movq	%mm6, 112(X)

	movq	%mm7, 120(X)

	movq	%mm0,  96(Y)

	movq	%mm1, 104(Y)

	movq	%mm2, 112(Y)

	movq	%mm3, 120(Y)

#elif defined(DOUBLE)

	prefetchw	PREFETCHSIZE * SIZE(X)

	MOVQ	0 * SIZE(X), %mm0

	MOVQ	1 * SIZE(X), %mm1

	MOVQ	2 * SIZE(X), %mm2

	MOVQ	3 * SIZE(X), %mm3

	prefetchw	PREFETCHSIZE * SIZE(Y)

	MOVQ	0 * SIZE(Y), %mm4

	MOVQ	1 * SIZE(Y), %mm5

	MOVQ	2 * SIZE(Y), %mm6

	MOVQ	3 * SIZE(Y), %mm7

	MOVQ	%mm4, 0 * SIZE(X)

	MOVQ	%mm5, 1 * SIZE(X)

	MOVQ	%mm6, 2 * SIZE(X)

	MOVQ	%mm7, 3 * SIZE(X)

	MOVQ	%mm0, 0 * SIZE(Y)

	MOVQ	%mm1, 1 * SIZE(Y)

	MOVQ	%mm2, 2 * SIZE(Y)

	MOVQ	%mm3, 3 * SIZE(Y)

	MOVQ	4 * SIZE(X), %mm0

	MOVQ	5 * SIZE(X), %mm1

	MOVQ	6 * SIZE(X), %mm2

	MOVQ	7 * SIZE(X), %mm3

	MOVQ	4 * SIZE(Y), %mm4

	MOVQ	5 * SIZE(Y), %mm5

	MOVQ	6 * SIZE(Y), %mm6

	MOVQ	7 * SIZE(Y), %mm7

	MOVQ	%mm4, 4 * SIZE(X)

	MOVQ	%mm5, 5 * SIZE(X)

	MOVQ	%mm6, 6 * SIZE(X)

	MOVQ	%mm7, 7 * SIZE(X)

	MOVQ	%mm0, 4 * SIZE(Y)

	MOVQ	%mm1, 5 * SIZE(Y)

	MOVQ	%mm2, 6 * SIZE(Y)

	MOVQ	%mm3, 7 * SIZE(Y)

#else

#ifdef OPTERON

	prefetchw	PREFETCHSIZE * SIZE(X)

#endif

	movq	0 * SIZE(X), %mm0

	movq	2 * SIZE(X), %mm1

	movq	4 * SIZE(X), %mm2

	movq	6 * SIZE(X), %mm3

	movq	0 * SIZE(Y), %mm4

	movq	2 * SIZE(Y), %mm5

	movq	4 * SIZE(Y), %mm6

	movq	6 * SIZE(Y), %mm7

#ifdef OPTERON

	prefetchw	PREFETCHSIZE * SIZE(Y)

#endif

	movq	%mm4, 0 * SIZE(X)

	movq	%mm5, 2 * SIZE(X)

	movq	%mm6, 4 * SIZE(X)

	movq	%mm7, 6 * SIZE(X)

	movq	%mm0, 0 * SIZE(Y)

	movq	%mm1, 2 * SIZE(Y)

	movq	%mm2, 4 * SIZE(Y)

	movq	%mm3, 6 * SIZE(Y)

#endif

	addq	$8 * SIZE, X

	addq	$8 * SIZE, Y

	decq	%rax

	jg	.L16

	ALIGN_3

.L15:

	movq	N, %rax

	andq	$3, %rax

	jle	.L27

	ALIGN_3

.L22:

#ifdef XDOUBLE

	movq	  0(X), %mm0

	movq	  8(X), %mm1

	movq	 16(X), %mm2

	movq	 24(X), %mm3

	movq	  0(Y), %mm4

	movq	  8(Y), %mm5

	movq	 16(Y), %mm6

	movq	 24(Y), %mm7

	movq	%mm4,   0(X)

	movq	%mm5,   8(X)

	movq	%mm6,  16(X)

	movq	%mm7,  24(X)

	movq	%mm0,   0(Y)

	movq	%mm1,   8(Y)

	movq	%mm2,  16(Y)

	movq	%mm3,  24(Y)

#elif defined(DOUBLE)

	movq	0 * SIZE(X), %mm0

	movq	1 * SIZE(X), %mm1

	movq	0 * SIZE(Y), %mm4

	movq	1 * SIZE(Y), %mm5

	movq	%mm4, 0 * SIZE(X)

	movq	%mm5, 1 * SIZE(X)

	movq	%mm0, 0 * SIZE(Y)

	movq	%mm1, 1 * SIZE(Y)

#else

	movq	0 * SIZE(X), %mm0

	movq	0 * SIZE(Y), %mm4

	movq	%mm4, 0 * SIZE(X)

	movq	%mm0, 0 * SIZE(Y)

#endif

	addq	$2 * SIZE, X

	addq	$2 * SIZE, Y

	decq	%rax

	jg	.L22

	jmp	.L27

	ALIGN_3

/* INCX != 1 or INCY != 1 */

.L14:

	movq	N, %rax

	movq	X, XX

	movq	Y, YY

	sarq	$1,   %rax

	jle	.L28

	ALIGN_2

.L29:

#ifdef XDOUBLE

	movq	  0(X), %mm0

	movq	  8(X), %mm1

	movq	 16(X), %mm2

	movq	 24(X), %mm3

	addq	INCX, X

	movq	  0(Y), %mm4

	movq	  8(Y), %mm5

	movq	 16(Y), %mm6

	movq	 24(Y), %mm7

	addq	INCY, Y

	movq	%mm4,   0(XX)

	movq	%mm5,   8(XX)

	movq	%mm6,  16(XX)

	movq	%mm7,  24(XX)

	addq	INCX, XX

	movq	%mm0,   0(YY)

	movq	%mm1,   8(YY)

	movq	%mm2,  16(YY)

	movq	%mm3,  24(YY)

	addq	INCY, YY

	movq	  0(X), %mm0

	movq	  8(X), %mm1

	movq	 16(X), %mm2

	movq	 24(X), %mm3

	addq	INCX, X

	movq	  0(Y), %mm4

	movq	  8(Y), %mm5

	movq	 16(Y), %mm6

	movq	 24(Y), %mm7

	addq	INCY, Y

	movq	%mm4,   0(XX)

	movq	%mm5,   8(XX)

	movq	%mm6,  16(XX)

	movq	%mm7,  24(XX)

	addq	INCX, XX

	movq	%mm0,   0(YY)

	movq	%mm1,   8(YY)

	movq	%mm2,  16(YY)

	movq	%mm3,  24(YY)

	addq	INCY, YY

#elif defined(DOUBLE)

	movq	0 * SIZE(X), %mm0

	movq	1 * SIZE(X), %mm1

	addq	INCX, X

	movq	0 * SIZE(X), %mm2

	movq	1 * SIZE(X), %mm3

	addq	INCX, X

	movq	0 * SIZE(Y), %mm4

	movq	1 * SIZE(Y), %mm5

	addq	INCY, Y

	movq	0 * SIZE(Y), %mm6

	movq	1 * SIZE(Y), %mm7

	addq	INCY, Y

	movq	%mm4, 0 * SIZE(XX)

	movq	%mm5, 1 * SIZE(XX)

	addq	INCX, XX

	movq	%mm6, 0 * SIZE(XX)

	movq	%mm7, 1 * SIZE(XX)

	addq	INCX, XX

	movq	%mm0, 0 * SIZE(YY)

	movq	%mm1, 1 * SIZE(YY)

	addq	INCY, YY

	movq	%mm2, 0 * SIZE(YY)

	movq	%mm3, 1 * SIZE(YY)

	addq	INCY, YY

#else

	movq	0 * SIZE(X), %mm0

	addq	INCX, X

	movq	0 * SIZE(X), %mm2

	addq	INCX, X

	movq	0 * SIZE(Y), %mm4

	addq	INCY, Y

	movq	0 * SIZE(Y), %mm6

	addq	INCY, Y

	movq	%mm4, 0 * SIZE(XX)

	addq	INCX, XX

	movq	%mm6, 0 * SIZE(XX)

	addq	INCX, XX

	movq	%mm0, 0 * SIZE(YY)

	addq	INCY, YY

	movq	%mm2, 0 * SIZE(YY)

	addq	INCY, YY

#endif

	decq	%rax

	jg	.L29

	ALIGN_3

.L28:

	movq	N, %rax

	andq	$1,   %rax

	jle	.L27

	ALIGN_3

.L35:

#ifdef XDOUBLE

	movq	  0(X), %mm0

	movq	  8(X), %mm1

	movq	 16(X), %mm2

	movq	 24(X), %mm3

	movq	  0(Y), %mm4

	movq	  8(Y), %mm5

	movq	 16(Y), %mm6

	movq	 24(Y), %mm7

	movq	%mm4,   0(X)

	movq	%mm5,   8(X)

	movq	%mm6,  16(X)

	movq	%mm7,  24(X)

	movq	%mm0,   0(Y)

	movq	%mm1,   8(Y)

	movq	%mm2,  16(Y)

	movq	%mm3,  24(Y)

#elif defined(DOUBLE)

	movq	0 * SIZE(X), %mm0

	movq	1 * SIZE(X), %mm1

	movq	0 * SIZE(Y), %mm4

	movq	1 * SIZE(Y), %mm5

	movq	%mm4, 0 * SIZE(X)

	movq	%mm5, 1 * SIZE(X)

	movq	%mm0, 0 * SIZE(Y)

	movq	%mm1, 1 * SIZE(Y)

#else

	movq	0 * SIZE(X), %mm0

	movq	0 * SIZE(Y), %mm4

	movq	%mm4, 0 * SIZE(X)

	movq	%mm0, 0 * SIZE(Y)

#endif

	addq	INCX, X

	addq	INCY, Y

	decq	%rax

	jg	.L35

	ALIGN_3

.L27:

	EMMS

	xorq	%rax,%rax

#ifdef WINDOWS_ABI

	popq	%rbx

#endif

	ret

	EPILOGUE