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

/* 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	/* rdi */

#define X	ARG2	/* rsi */

#define INCX	ARG3	/* rdx */

#define Y	ARG4	/* rcx */

#ifndef WINDOWS_ABI

#define INCY	ARG5	/* r8  */

#define FLAG	ARG6

#else

#define INCY	%r10

#define FLAG	%r11

#endif

#include "l1param.h"

	PROLOGUE

	PROFCODE

#ifdef WINDOWS_ABI

	movq	40(%rsp), INCY

#endif

	EMMS

	salq	$ZBASE_SHIFT, INCX

	salq	$ZBASE_SHIFT, INCY

	testq	N, N	# if m == 0 goto End

	jle	.L999

	cmpq	$2 * SIZE, INCX	# if incx != 1

	jne	.L100

	cmpq	$2 * SIZE, INCY	# if incy != 1

	jne	.L100

	movq	N, %rax	# i = m

	sarq	$2,   %rax

	jle	.L20

	ALIGN_2

.L11:

#ifdef XDOUBLE

#ifdef PREFETCH

	PREFETCH (PREFETCHSIZE +  0) - PREOFFSET(X)

#endif

	movq	  0(X), %mm0

	movq	%mm0,   0(Y)

	movq	  8(X), %mm1

	movq	%mm1,   8(Y)

	movq	 16(X), %mm2

	movq	%mm2,  16(Y)

	movq	 24(X), %mm3

	movq	%mm3,  24(Y)

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE +  0) - PREOFFSET(Y)

#endif

	movq	 32(X), %mm4

	movq	%mm4,  32(Y)

	movq	 40(X), %mm5

	movq	%mm5,  40(Y)

	movq	 48(X), %mm6

	movq	%mm6,  48(Y)

	movq	 56(X), %mm7

	movq	%mm7,  56(Y)

#ifdef PREFETCH

	PREFETCH (PREFETCHSIZE + 64) - PREOFFSET(X)

#endif

	movq	 64(X), %mm0

	movq	%mm0,  64(Y)

	movq	 72(X), %mm1

	movq	%mm1,  72(Y)

	movq	 80(X), %mm2

	movq	%mm2,  80(Y)

	movq	 88(X), %mm3

	movq	%mm3,  88(Y)

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE + 64) - PREOFFSET(Y)

#endif

	movq	 96(X), %mm4

	movq	%mm4,  96(Y)

	movq	104(X), %mm5

	movq	%mm5, 104(Y)

	movq	112(X), %mm6

	movq	%mm6, 112(Y)

	movq	120(X), %mm7

	movq	%mm7, 120(Y)

#elif defined(DOUBLE)

#ifdef PREFETCH

	PREFETCH (PREFETCHSIZE +  0) - PREOFFSET(X)

#endif

	movq	 0 * SIZE(X), %mm0

	movq	 1 * SIZE(X), %mm1

	movq	%mm0,  0 * SIZE(Y)

	movq	%mm1,  1 * SIZE(Y)

	movq	 2 * SIZE(X), %mm2

	movq	 3 * SIZE(X), %mm3

	movq	%mm2,  2 * SIZE(Y)

	movq	%mm3,  3 * SIZE(Y)

	movq	 4 * SIZE(X), %mm4

	movq	 5 * SIZE(X), %mm5

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE +  0) - PREOFFSET(Y)

#endif

	movq	%mm4,  4 * SIZE(Y)

	movq	%mm5,  5 * SIZE(Y)

	movq	 6 * SIZE(X), %mm6

	movq	 7 * SIZE(X), %mm7

	movq	%mm6,  6 * SIZE(Y)

	movq	%mm7,  7 * SIZE(Y)

#else

	movq	 0 * SIZE(X), %mm0

	movq	 2 * SIZE(X), %mm2

#ifdef PREFETCH

	PREFETCH (PREFETCHSIZE +  0) - PREOFFSET(X)

#endif

	movq	%mm0,  0 * SIZE(Y)

	movq	%mm2,  2 * SIZE(Y)

	movq	 4 * SIZE(X), %mm4

	movq	 6 * SIZE(X), %mm6

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE +  0) - PREOFFSET(Y)

#endif

	movq	%mm4,  4 * SIZE(Y)

	movq	%mm6,  6 * SIZE(Y)

#endif

	addq	$8 * SIZE, X

	addq	$8 * SIZE, Y

	decq	%rax

	jg	.L11

	ALIGN_2

.L20:

	movq	N, %rax	# i = m

	andq	$3,   %rax

	jle	.L99

	ALIGN_2

.L21:

#ifdef XDOUBLE

	movq	  0(X), %mm0

	movq	%mm0,   0(Y)

	movq	  8(X), %mm1

	movq	%mm1,   8(Y)

	movq	 16(X), %mm2

	movq	%mm2,  16(Y)

	movq	 24(X), %mm3

	movq	%mm3,  24(Y)

#elif defined(DOUBLE)

	movq	 0 * SIZE(X), %mm0

	movq	%mm0,  0 * SIZE(Y)

	movq	 1 * SIZE(X), %mm1

	movq	%mm1,  1 * SIZE(Y)

#else

	movq	 0 * SIZE(X), %mm0

	movq	%mm0,  0 * SIZE(Y)

#endif

	addq	$2 * SIZE, X

	addq	$2 * SIZE, Y

	decq	%rax

	jg	.L21

.L99:

	xorq	%rax,%rax

	EMMS

	ret

	ALIGN_3

.L100:

	movq	N, %rax

	sarq	$2,   %rax

	jle	.L120

	ALIGN_2

.L111:

#ifdef XDOUBLE

	movq	  0(X), %mm0

	movq	%mm0,   0(Y)

	movq	  8(X), %mm1

	movq	%mm1,   8(Y)

	movq	 16(X), %mm2

	movq	%mm2,  16(Y)

	movq	 24(X), %mm3

	movq	%mm3,  24(Y)

	addq	INCX, X

	addq	INCY, Y

	movq	  0(X), %mm0

	movq	%mm0,   0(Y)

	movq	  8(X), %mm1

	movq	%mm1,   8(Y)

	movq	 16(X), %mm2

	movq	%mm2,  16(Y)

	movq	 24(X), %mm3

	movq	%mm3,  24(Y)

	addq	INCX, X

	addq	INCY, Y

	movq	  0(X), %mm0

	movq	%mm0,   0(Y)

	movq	  8(X), %mm1

	movq	%mm1,   8(Y)

	movq	 16(X), %mm2

	movq	%mm2,  16(Y)

	movq	 24(X), %mm3

	movq	%mm3,  24(Y)

	addq	INCX, X

	addq	INCY, Y

	movq	  0(X), %mm0

	movq	%mm0,   0(Y)

	movq	  8(X), %mm1

	movq	%mm1,   8(Y)

	movq	 16(X), %mm2

	movq	%mm2,  16(Y)

	movq	 24(X), %mm3

	movq	%mm3,  24(Y)

	addq	INCX, X

	addq	INCY, Y

#elif defined(DOUBLE)

	movq	 0 * SIZE(X), %mm0

	movq	%mm0,  0 * SIZE(Y)

	movq	 1 * SIZE(X), %mm1

	movq	%mm1,  1 * SIZE(Y)

	addq	INCX, X

	addq	INCY, Y

	movq	 0 * SIZE(X), %mm2

	movq	%mm2,  0 * SIZE(Y)

	movq	 1 * SIZE(X), %mm3

	movq	%mm3,  1 * SIZE(Y)

	addq	INCX, X

	addq	INCY, Y

	movq	 0 * SIZE(X), %mm4

	movq	%mm4,  0 * SIZE(Y)

	movq	 1 * SIZE(X), %mm5

	movq	%mm5,  1 * SIZE(Y)

	addq	INCX, X

	addq	INCY, Y

	movq	 0 * SIZE(X), %mm6

	movq	%mm6,  0 * SIZE(Y)

	movq	 1 * SIZE(X), %mm7

	movq	%mm7,  1 * SIZE(Y)

	addq	INCX, X

	addq	INCY, Y

#else

	movq	 0 * SIZE(X), %mm0

	movq	%mm0,  0 * SIZE(Y)

	addq	INCX, X

	addq	INCY, Y

	movq	 0 * SIZE(X), %mm2

	movq	%mm2,  0 * SIZE(Y)

	addq	INCX, X

	addq	INCY, Y

	movq	 0 * SIZE(X), %mm4

	movq	%mm4,  0 * SIZE(Y)

	addq	INCX, X

	addq	INCY, Y

	movq	 0 * SIZE(X), %mm6

	movq	%mm6,  0 * SIZE(Y)

	addq	INCX, X

	addq	INCY, Y

#endif

	decq	%rax

	jg	.L111

.L120:

	movq	N, %rax

	andq	$3,   %rax

	jle	.L999

	ALIGN_2

.L121:

#ifdef XDOUBLE

	movq	  0(X), %mm0

	movq	%mm0,   0(Y)

	movq	  8(X), %mm1

	movq	%mm1,   8(Y)

	movq	 16(X), %mm2

	movq	%mm2,  16(Y)

	movq	 24(X), %mm3

	movq	%mm3,  24(Y)

	addq	INCX, X

	addq	INCY, Y

#elif defined(DOUBLE)

	movq	 0 * SIZE(X), %mm0

	movq	%mm0,  0 * SIZE(Y)

	movq	 1 * SIZE(X), %mm1

	movq	%mm1,  1 * SIZE(Y)

	addq	INCX, X

	addq	INCY, Y

#else

	movq	 0 * SIZE(X), %mm0

	movq	%mm0,  0 * SIZE(Y)

	addq	INCX, X

	addq	INCY, Y

#endif

	decq	%rax

	jg	.L121

.L999:

	xorq	%rax,%rax

	EMMS

	ret

	EPILOGUE