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

/* 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 STACK	12

#define ARGS	 0

#define M	 4 + STACK + ARGS(%esp)

#define X	 8 + STACK + ARGS(%esp)

#define INCX	12 + STACK + ARGS(%esp)

#define Y	16 + STACK + ARGS(%esp)

#define INCY	20 + STACK + ARGS(%esp)

	PROLOGUE

	pushl	%edi

	pushl	%esi

	pushl	%ebx

	PROFCODE

#if defined(F_INTERFACE_GFORT) || defined(F_INTERFACE_G95)

	EMMS

#endif

	movl	M,    %ebx

	movl	X,    %ecx

	movl	INCX, %esi

	movl	Y,    %edx

	movl	INCY, %edi

	testl	%ebx, %ebx	# if m == 0 goto End

	jle	.L999

	sall	$ZBASE_SHIFT, %esi

	sall	$ZBASE_SHIFT, %edi

	cmpl	$2 * SIZE, %esi	# if incx != 1

	jne	.L100

	cmpl	$2 * SIZE, %edi	# if incy != 1

	jne	.L100

	movl	%ebx, %eax	# i = m

	sarl	$2,   %eax

	jle	.L20

	ALIGN_2

.L11:

#if defined(DOUBLE) || defined(XDOUBLE)

	FLD	7 * SIZE(%ecx)	

	FLD	6 * SIZE(%ecx)	

	FLD	5 * SIZE(%ecx)	

	FLD	4 * SIZE(%ecx)	

	FLD	3 * SIZE(%ecx)	

	FLD	2 * SIZE(%ecx)	

	FLD	1 * SIZE(%ecx)	

	FLD	0 * SIZE(%ecx)	

	FST	0 * SIZE(%edx)

	FST	1 * SIZE(%edx)

	FST	2 * SIZE(%edx)

	FST	3 * SIZE(%edx)

	FST	4 * SIZE(%edx)

	FST	5 * SIZE(%edx)

	FST	6 * SIZE(%edx)

	FST	7 * SIZE(%edx)

#else

	fldl	6 * SIZE(%ecx)	

	fldl	4 * SIZE(%ecx)	

	fldl	2 * SIZE(%ecx)	

	fldl	0 * SIZE(%ecx)	

	fstpl	0 * SIZE(%edx)

	fstpl	2 * SIZE(%edx)

	fstpl	4 * SIZE(%edx)

	fstpl	6 * SIZE(%edx)

#endif

	addl	$8 * SIZE, %ecx

	addl	$8 * SIZE, %edx

	decl	%eax

	jg	.L11

	ALIGN_2

.L20:

	movl	%ebx, %eax	# i = m

	andl	$3,   %eax

	jle	.L99

	ALIGN_2

.L21:

#if defined(DOUBLE) || defined(XDOUBLE)

	FLD	1 * SIZE(%ecx)

	FLD	0 * SIZE(%ecx)

	FST	0 * SIZE(%edx)

	FST	1 * SIZE(%edx)

#else

	fldl	0 * SIZE(%ecx)

	fstpl	0 * SIZE(%edx)

#endif

	addl	$2 * SIZE, %ecx

	addl	$2 * SIZE, %edx

	decl	%eax

	jg	.L21

.L99:

	xorl	%eax,%eax

	popl	%ebx

	popl	%esi

	popl	%edi

	ret

	ALIGN_3

.L100:

	movl	%ebx, %eax

	sarl	$2,   %eax

	jle	.L120

	ALIGN_2

.L111:

#if defined(DOUBLE) || defined(XDOUBLE)

	FLD	0 * SIZE(%ecx)

	FLD	1 * SIZE(%ecx)

	addl	%esi, %ecx

	FLD	0 * SIZE(%ecx)

	FLD	1 * SIZE(%ecx)

	addl	%esi, %ecx

	FLD	0 * SIZE(%ecx)

	FLD	1 * SIZE(%ecx)

	addl	%esi, %ecx

	FLD	0 * SIZE(%ecx)

	FLD	1 * SIZE(%ecx)

	addl	%esi, %ecx

	fxch	%st(7)

	FST	0 * SIZE(%edx)

	fxch	%st(5)

	FST	1 * SIZE(%edx)

	addl	%edi, %edx

	fxch	%st(3)

	FST	0 * SIZE(%edx)

	fxch	%st(1)

	FST	1 * SIZE(%edx)

	addl	%edi, %edx

	FST	0 * SIZE(%edx)

	FST	1 * SIZE(%edx)

	addl	%edi, %edx

	FST	0 * SIZE(%edx)

	FST	1 * SIZE(%edx)

	addl	%edi, %edx

#else

	fldl	0 * SIZE(%ecx)

	addl	%esi, %ecx

	fldl	0 * SIZE(%ecx)

	addl	%esi, %ecx

	fldl	0 * SIZE(%ecx)

	addl	%esi, %ecx

	fldl	0 * SIZE(%ecx)

	addl	%esi, %ecx

	fxch	%st(3)

	fstpl	0 * SIZE(%edx)

	addl	%edi, %edx

	fxch	%st(1)

	fstpl	0 * SIZE(%edx)

	addl	%edi, %edx

	fstpl	0 * SIZE(%edx)

	addl	%edi, %edx

	fstpl	0 * SIZE(%edx)

	addl	%edi, %edx

#endif

	decl	%eax

	jg	.L111

.L120:

	movl	%ebx, %eax

	andl	$3,   %eax

	jle	.L999

	ALIGN_2

.L121:

	FLD	0 * SIZE(%ecx)

	FLD	1 * SIZE(%ecx)

	addl	%esi, %ecx

	fxch	%st(1)

	FST	0 * SIZE(%edx)

	FST	1 * SIZE(%edx)

	addl	%edi, %edx

	decl	%eax

	jg	.L121

.L999:

	xorl	%eax,%eax

	popl	%ebx

	popl	%esi

	popl	%edi

	ret

	EPILOGUE