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

/* 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	16

#define ARGS     0

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

#ifdef XDOUBLE

#define X	48 + STACK + ARGS(%esp)

#define INCX	52 + STACK + ARGS(%esp)

#define Y	56 + STACK + ARGS(%esp)

#define INCY	60 + STACK + ARGS(%esp)

#elif defined(DOUBLE)

#define X	32 + STACK + ARGS(%esp)

#define INCX	36 + STACK + ARGS(%esp)

#define Y	40 + STACK + ARGS(%esp)

#define INCY	44 + STACK + ARGS(%esp)

#else

#define X	24 + STACK + ARGS(%esp)

#define INCX	28 + STACK + ARGS(%esp)

#define Y	32 + STACK + ARGS(%esp)

#define INCY	36 + STACK + ARGS(%esp)

#endif

	PROLOGUE

	pushl	%ebp

	pushl	%edi

	pushl	%esi

	pushl	%ebx

	PROFCODE

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

	EMMS

#endif

	movl	N,    %edx

	movl	X,    %esi

	movl	Y,    %edi

	movl	INCX, %ebx

	movl	INCY, %ecx

	sall	$ZBASE_SHIFT, %ebx

	sall	$ZBASE_SHIFT, %ecx

	cmpl	$2 * SIZE, %ebx

	jne	.L14

	cmpl	$2 * SIZE, %ecx

	jne	.L14

	movl	%edx, %eax

	sarl	$1,   %eax

	jle	.L15

	ALIGN_3

.L16:

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

	FLD	3 * SIZE(%esi)

	FLD	2 * SIZE(%esi)

	FLD	1 * SIZE(%esi)

	FLD	0 * SIZE(%esi)

	FLD	3 * SIZE(%edi)

	FLD	2 * SIZE(%edi)

	FLD	1 * SIZE(%edi)

	FLD	0 * SIZE(%edi)

	FST	0 * SIZE(%esi)

	FST	1 * SIZE(%esi)

	FST	2 * SIZE(%esi)

	FST	3 * SIZE(%esi)

	FST	0 * SIZE(%edi)

	FST	1 * SIZE(%edi)

	FST	2 * SIZE(%edi)

	FST	3 * SIZE(%edi)

#else

	fldl	2 * SIZE(%esi)

	fldl	0 * SIZE(%esi)

	fldl	2 * SIZE(%edi)

	fldl	0 * SIZE(%edi)

	fstpl	0 * SIZE(%esi)

	fstpl	2 * SIZE(%esi)

	fstpl	0 * SIZE(%edi)

	fstpl	2 * SIZE(%edi)

#endif

	addl	$4 * SIZE, %esi

	addl	$4 * SIZE, %edi

	decl	%eax

	jg	.L16

	ALIGN_3

.L15:

	movl	%edx, %eax

	andl	$1,   %eax

	jle	.L27

	ALIGN_3

.L22:

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

	FLD	1 * SIZE(%esi)

	FLD	0 * SIZE(%esi)

	FLD	1 * SIZE(%edi)

	FLD	0 * SIZE(%edi)

	FST	0 * SIZE(%esi)

	FST	1 * SIZE(%esi)

	FST	0 * SIZE(%edi)

	FST	1 * SIZE(%edi)

#else

	fldl	0 * SIZE(%esi)

	fldl	0 * SIZE(%edi)

	fstpl	0 * SIZE(%esi)

	fstpl	0 * SIZE(%edi)

#endif

	jmp	.L27

	ALIGN_3

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

.L14:

	movl	%edx, %eax

	sarl	$1,   %eax

	jle	.L28

	ALIGN_2

.L29:

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

	FLD	1 * SIZE(%esi)

	FLD	0 * SIZE(%esi)

	addl	%ebx, %esi

	FLD	1 * SIZE(%esi)

	FLD	0 * SIZE(%esi)

	FLD	1 * SIZE(%edi)

	FLD	0 * SIZE(%edi)

	addl	%ecx, %edi

	FLD	1 * SIZE(%edi)

	FLD	0 * SIZE(%edi)

	FST	0 * SIZE(%esi)

	FST	1 * SIZE(%esi)

	subl	%ebx, %esi

	FST	0 * SIZE(%esi)

	FST	1 * SIZE(%esi)

	leal	(%esi, %ebx, 2), %esi

	FST	0 * SIZE(%edi)

	FST	1 * SIZE(%edi)

	subl	%ecx, %edi

	FST	0 * SIZE(%edi)

	FST	1 * SIZE(%edi)

	leal	(%edi, %ecx, 2), %edi

#else

	fldl	0 * SIZE(%esi)

	addl	%ebx, %esi

	fldl	0 * SIZE(%esi)

	fldl	0 * SIZE(%edi)

	addl	%ecx, %edi

	fldl	0 * SIZE(%edi)

	fstpl	0 * SIZE(%esi)

	subl	%ebx, %esi

	fstpl	0 * SIZE(%esi)

	leal	(%esi, %ebx, 2), %esi

	fstpl	0 * SIZE(%edi)

	subl	%ecx, %edi

	fstpl	0 * SIZE(%edi)

	leal	(%edi, %ecx, 2), %edi

#endif

	decl	%eax

	jg	.L29

	ALIGN_3

.L28:

	movl	%edx, %eax

	andl	$1,   %eax

	jle	.L27

	ALIGN_3

.L35:

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

	FLD	1 * SIZE(%esi)

	FLD	0 * SIZE(%esi)

	FLD	1 * SIZE(%edi)

	FLD	0 * SIZE(%edi)

	FST	0 * SIZE(%esi)

	FST	1 * SIZE(%esi)

	FST	0 * SIZE(%edi)

	FST	1 * SIZE(%edi)

#else

	fldl	0 * SIZE(%esi)

	fldl	0 * SIZE(%edi)

	fstpl	0 * SIZE(%esi)

	fstpl	0 * SIZE(%edi)

#endif

	ALIGN_3

.L27:

	xorl	%eax,%eax

	popl	%ebx

	popl	%esi

	popl	%edi

	popl	%ebp

	ret

	EPILOGUE