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/*********************************************************************/
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/* Copyright 2009, 2010 The University of Texas at Austin.           */
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/* All rights reserved.                                              */
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/*                                                                   */
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/* Redistribution and use in source and binary forms, with or        */
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/* without modification, are permitted provided that the following   */
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/* conditions are met:                                               */
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/*                                                                   */
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/*   1. Redistributions of source code must retain the above         */
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/*      copyright notice, this list of conditions and the following  */
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/*      disclaimer.                                                  */
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/*                                                                   */
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/*   2. Redistributions in binary form must reproduce the above      */
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/*      copyright notice, this list of conditions and the following  */
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/*      disclaimer in the documentation and/or other materials       */
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/*      provided with the distribution.                              */
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/*                                                                   */
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/*    THIS  SOFTWARE IS PROVIDED  BY THE  UNIVERSITY OF  TEXAS AT    */
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/*    AUSTIN  ``AS IS''  AND ANY  EXPRESS OR  IMPLIED WARRANTIES,    */
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/*    INCLUDING, BUT  NOT LIMITED  TO, THE IMPLIED  WARRANTIES OF    */
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/*    MERCHANTABILITY  AND FITNESS FOR  A PARTICULAR  PURPOSE ARE    */
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/*    DISCLAIMED.  IN  NO EVENT SHALL THE UNIVERSITY  OF TEXAS AT    */
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/*    AUSTIN OR CONTRIBUTORS BE  LIABLE FOR ANY DIRECT, INDIRECT,    */
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/*    INCIDENTAL,  SPECIAL, EXEMPLARY,  OR  CONSEQUENTIAL DAMAGES    */
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/*    (INCLUDING, BUT  NOT LIMITED TO,  PROCUREMENT OF SUBSTITUTE    */
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/*    GOODS  OR  SERVICES; LOSS  OF  USE,  DATA,  OR PROFITS;  OR    */
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/*    BUSINESS INTERRUPTION) HOWEVER CAUSED  AND ON ANY THEORY OF    */
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/*    LIABILITY, WHETHER  IN CONTRACT, STRICT  LIABILITY, OR TORT    */
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/*    (INCLUDING NEGLIGENCE OR OTHERWISE)  ARISING IN ANY WAY OUT    */
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/*    OF  THE  USE OF  THIS  SOFTWARE,  EVEN  IF ADVISED  OF  THE    */
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/*    POSSIBILITY OF SUCH DAMAGE.                                    */
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/*                                                                   */
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/* The views and conclusions contained in the software and           */
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/* documentation are those of the authors and should not be          */
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/* interpreted as representing official policies, either expressed   */
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/* or implied, of The University of Texas at Austin.                 */
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/*********************************************************************/
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#define ASSEMBLER
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#include "common.h"
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#define N	ARG1	/* rdi */
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#define X	ARG2	/* rsi */
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#define INCX	ARG3	/* rdx */
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#define Y	ARG4	/* rcx */
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#define INCY	ARG5	/* r8  */
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#include "l1param.h"
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	PROLOGUE
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	PROFCODE
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	salq	$BASE_SHIFT, INCX
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	salq	$BASE_SHIFT, INCY
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	fldz
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	fldz
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	fldz
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	fldz
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	cmpq	$SIZE, INCX
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	jne	.L14
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	cmpq	$SIZE, INCY
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	jne	.L14
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	movq	N, %rax
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	sarq	$2,   %rax
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	jle	.L15
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	ALIGN_3
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.L16:
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#ifdef PREFETCH
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	PREFETCH (PREFETCHSIZE +  0) - PREOFFSET(X)
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#endif
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	FLD	0 * SIZE(X)
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	FLD	0 * SIZE(Y)
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	fmulp	%st, %st(1)
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	faddp	%st,%st(1)
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	FLD	1 * SIZE(X)
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	FLD	1 * SIZE(Y)
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	fmulp	%st, %st(1)
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	faddp	%st,%st(2)
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#ifdef PREFETCH
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	PREFETCH (PREFETCHSIZE +  0) - PREOFFSET(Y)
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#endif
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	FLD	2 * SIZE(X)
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	FLD	2 * SIZE(Y)
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	fmulp	%st, %st(1)
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	faddp	%st,%st(3)
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	FLD	3 * SIZE(X)
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	FLD	3 * SIZE(Y)
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	fmulp	%st, %st(1)
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	faddp	%st,%st(4)
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	addq	$4 * SIZE, X
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	addq	$4 * SIZE, Y
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	decq	%rax
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	jg	.L16
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	ALIGN_3
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.L15:
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	movq	N, %rax
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	andq	$3,   %rax
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	jle	.L27
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	ALIGN_3
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.L22:
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	FLD	(X)
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	addq	$SIZE, X
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	FLD	(Y)
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	fmulp	%st, %st(1)
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	addq	$SIZE, Y
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	faddp	%st,%st(1)
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	decq	%rax
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	jg	.L22
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	jmp	.L27
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	ALIGN_3
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.L14:
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	movq	N, %rax
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	sarq	$2,   %rax
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	jle	.L30
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	ALIGN_3
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.L31:
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	FLD	(X)
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	addq	INCX, X
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	FLD	(Y)
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	fmulp	%st, %st(1)
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	addq	INCY, Y
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	faddp	%st,%st(1)
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	FLD	(X)
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	addq	INCX, X
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	FLD	(Y)
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	fmulp	%st, %st(1)
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	addq	INCY, Y
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	faddp	%st,%st(2)
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	FLD	(X)
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	addq	INCX, X
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	FLD	(Y)
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	fmulp	%st, %st(1)
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	addq	INCY, Y
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	faddp	%st,%st(3)
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	FLD	(X)
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	addq	INCX, X
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	FLD	(Y)
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	fmulp	%st, %st(1)
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	addq	INCY, Y
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	faddp	%st,%st(4)
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	decq	%rax
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	jg	.L31
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	ALIGN_3
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.L30:
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	movq	N, %rax
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	andq	$3,   %rax
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	jle	.L27
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	ALIGN_3
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.L37:
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	FLD	(X)
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	addq	INCX, X
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	FLD	(Y)
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	fmulp	%st, %st(1)
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	addq	INCY, Y
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	faddp	%st, %st(1)
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	decq	%rax
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	jg	.L37
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	ALIGN_3
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.L27:
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	faddp	%st,%st(2)
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	faddp	%st,%st(2)
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	faddp	%st,%st(1)
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	ret
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	EPILOGUE