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

/* 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 STACK_N		 4 + STACK + ARGS(%esp)

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

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

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

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

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

#ifdef XDOUBLE

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

#elif defined DOUBLE

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

#else

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

#endif

#define N	%ebx

#define X	%esi

#define INCX	%ecx

#define Y	%edi

#define INCY	%edx

#define	I	%eax

#ifdef PENTIUM4

#define PREFETCH	prefetcht0

#define PREFETCH_SIZE	144

#endif

#ifdef OPTERON

#define PREFETCH	prefetchw

#define PREFETCH_SIZE	144

#endif

	PROLOGUE

	pushl	%edi

	pushl	%esi

	pushl	%ebx

	PROFCODE

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

	EMMS

#endif

	movl	STACK_N,     N

	movl	STACK_X,     X

	movl	STACK_INCX,  INCX

	movl	STACK_Y,     Y

	movl	STACK_INCY,  INCY

	FLD	STACK_S

	FLD	STACK_C

	sall	$BASE_SHIFT, INCX

	sall	$BASE_SHIFT, INCY

	testl	N, N

	jle	.L999

	cmpl	$SIZE, INCX

	jne	.L50

	cmpl	$SIZE, INCY

	jne	.L50

	movl	N,  I

	sarl	$2, I

	jle	.L15

	ALIGN_4

.L10:

#ifdef PENTIUM4

	PREFETCH	(PREFETCH_SIZE + 0) * SIZE(X)

#endif

#ifdef OPTERON

	PREFETCH	(PREFETCH_SIZE + 0) * SIZE(X)

#endif

	FLD	0 * SIZE(X)

	FLD	0 * SIZE(Y)

	fld	%st(1)

	fmul	%st(3), %st

	fld	%st(1)

	fmul	%st(5), %st

	faddp	%st, %st(1)

	FST	0 * SIZE(X)

	fmul	%st(2), %st

	fxch	%st(1)

	fmul	%st(3), %st

	fsubrp	%st, %st(1)

	FST	0 * SIZE(Y)

	FLD	1 * SIZE(X)

	FLD	1 * SIZE(Y)

	fld	%st(1)

	fmul	%st(3), %st

	fld	%st(1)

	fmul	%st(5), %st

	faddp	%st, %st(1)

	FST	1 * SIZE(X)

	fmul	%st(2), %st

	fxch	%st(1)

	fmul	%st(3), %st

	fsubrp	%st, %st(1)

	FST	1 * SIZE(Y)

#ifdef PENTIUM4

	PREFETCH	(PREFETCH_SIZE + 0) * SIZE(Y)

#endif

#ifdef OPTERON

	PREFETCH	(PREFETCH_SIZE + 0) * SIZE(Y)

#endif

	FLD	2 * SIZE(X)

	FLD	2 * SIZE(Y)

	fld	%st(1)

	fmul	%st(3), %st

	fld	%st(1)

	fmul	%st(5), %st

	faddp	%st, %st(1)

	FST	2 * SIZE(X)

	fmul	%st(2), %st

	fxch	%st(1)

	fmul	%st(3), %st

	fsubrp	%st, %st(1)

	FST	2 * SIZE(Y)

	FLD	3 * SIZE(X)

	FLD	3 * SIZE(Y)

	fld	%st(1)

	fmul	%st(3), %st

	fld	%st(1)

	fmul	%st(5), %st

	faddp	%st, %st(1)

	FST	3 * SIZE(X)

	fmul	%st(2), %st

	fxch	%st(1)

	fmul	%st(3), %st

	fsubrp	%st, %st(1)

	FST	3 * SIZE(Y)

	addl	$4 * SIZE, X

	addl	$4 * SIZE, Y

	decl	I

	jg	.L10

	ALIGN_4

.L15:

	movl	N,  I

	andl	$3, I

	jle	.L999

	ALIGN_4

.L16:

	FLD	0 * SIZE(X)

	FLD	0 * SIZE(Y)

	fld	%st(1)

	fmul	%st(3), %st

	fld	%st(1)

	fmul	%st(5), %st

	faddp	%st, %st(1)

	FST	0 * SIZE(X)

	fmul	%st(2), %st

	fxch	%st(1)

	fmul	%st(3), %st

	fsubrp	%st, %st(1)

	FST	0 * SIZE(Y)

	addl	$SIZE, X

	addl	$SIZE, Y

	decl	I

	jg	.L16

	jmp	.L999

	ALIGN_4

.L50:

	movl	N,  I

	sarl	$2, I

	jle	.L55

	ALIGN_4

.L51:

	FLD	0 * SIZE(X)

	FLD	0 * SIZE(Y)

	fld	%st(1)

	fmul	%st(3), %st

	fld	%st(1)

	fmul	%st(5), %st

	faddp	%st, %st(1)

	FST	0 * SIZE(X)

	fmul	%st(2), %st

	fxch	%st(1)

	fmul	%st(3), %st

	fsubrp	%st, %st(1)

	FST	0 * SIZE(Y)

	addl	INCX, X

	addl	INCY, Y

	FLD	0 * SIZE(X)

	FLD	0 * SIZE(Y)

	fld	%st(1)

	fmul	%st(3), %st

	fld	%st(1)

	fmul	%st(5), %st

	faddp	%st, %st(1)

	FST	0 * SIZE(X)

	fmul	%st(2), %st

	fxch	%st(1)

	fmul	%st(3), %st

	fsubrp	%st, %st(1)

	FST	0 * SIZE(Y)

	addl	INCX, X

	addl	INCY, Y

	FLD	0 * SIZE(X)

	FLD	0 * SIZE(Y)

	fld	%st(1)

	fmul	%st(3), %st

	fld	%st(1)

	fmul	%st(5), %st

	faddp	%st, %st(1)

	FST	0 * SIZE(X)

	fmul	%st(2), %st

	fxch	%st(1)

	fmul	%st(3), %st

	fsubrp	%st, %st(1)

	FST	0 * SIZE(Y)

	addl	INCX, X

	addl	INCY, Y

	FLD	0 * SIZE(X)

	FLD	0 * SIZE(Y)

	fld	%st(1)

	fmul	%st(3), %st

	fld	%st(1)

	fmul	%st(5), %st

	faddp	%st, %st(1)

	FST	0 * SIZE(X)

	fmul	%st(2), %st

	fxch	%st(1)

	fmul	%st(3), %st

	fsubrp	%st, %st(1)

	FST	0 * SIZE(Y)

	addl	INCX, X

	addl	INCY, Y

	decl	I

	jg	.L51

	ALIGN_4

.L55:

	movl	N,  I

	andl	$3, I

	jle	.L999

	ALIGN_4

.L56:

	FLD	0 * SIZE(X)

	FLD	0 * SIZE(Y)

	fld	%st(1)

	fmul	%st(3), %st

	fld	%st(1)

	fmul	%st(5), %st

	faddp	%st, %st(1)

	FST	0 * SIZE(X)

	fmul	%st(2), %st

	fxch	%st(1)

	fmul	%st(3), %st

	fsubrp	%st, %st(1)

	FST	0 * SIZE(Y)

	addl	INCX, X

	addl	INCY, Y

	decl	I

	jg	.L56

	ALIGN_4

.L999:

	ffreep	%st(0)

	ffreep	%st(0)

	popl	%ebx

	popl	%esi

	popl	%edi

	ret

	EPILOGUE