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

/* 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"

#ifdef XDOUBLE

#define PREFETCH_SIZE ( 8 * 16)

#elif defined(DOUBLE)

#define PREFETCH_SIZE (16 * 16)

#else

#define PREFETCH_SIZE (32 * 16)

#endif

#define SP	r12

#ifdef XDOUBLE

#define N	r32

#define X	r14

#define INCX	r15

#define Y	r16

#define INCY	r17

#else

#define N	r32

#define X	r37

#define INCX	r38

#define Y	r39

#define INCY	r36

#endif

#define PRE1	r2

#define PRE2	r3

#define I	r18

#define J	r19

#define YY	r20

#define XX	r21

#define INCXM1	r22

#define INCYM1	r23

#define INCX8	r24

#define INCY8	r25

#define PR	r30

#define ARLC	r31

	PROLOGUE

	.prologue

	PROFCODE

	{ .mmi

	adds	r14 = 16, SP

	adds	r15 = 24, SP

	adds	r16 = 32, SP

	}

	{ .mmb

	adds	r17 = 40, SP

	cmp.gt	p15, p0 = r0, N

	(p15) br.ret.sptk.many b0

	}

	;;	

#ifdef XDOUBLE

	{ .mmi

	ld8	X     = [r14]

	ld8	INCX   = [r15]

	nop	__LINE__

	}

	{ .mmi

	ld8	Y     = [r16]

	ld8	INCY   = [r17]

	nop	__LINE__

	}

	;;

#else

	{ .mmi

	ld8	INCY   = [r14]

	nop	__LINE__

	nop	__LINE__

	}

	;;

#endif

	{ .mii

	.save ar.lc, ARLC

	mov	ARLC = ar.lc

	shl	INCX = INCX, ZBASE_SHIFT

	}

	;;

	.body

	{ .mii

	and	J =  7, N

	mov	PR = pr

	shl	INCY = INCY, ZBASE_SHIFT

	}

	;;

	{ .mmi

	mov	XX = X

	mov	YY = Y

	shr	I =  N, 3

	}

	;;

	{ .mmi

	adds	I = -1, I

	cmp.eq	p9, p0  =   r0, J

	mov	pr.rot = 0

	}

	;;

	{ .mmi

	shladd	INCX8 = INCX, 3, r0

	shladd	INCY8 = INCY, 3, r0

	mov	ar.ec= 3

	}

	{ .mmi

	adds	INCXM1 = -SIZE, INCX

	adds	INCYM1 = -SIZE, INCY

	cmp.eq	p16, p0 = r0, r0

	}

	;;

	{ .mmi

	adds	PRE1 = PREFETCH_SIZE * SIZE, X

	adds	PRE2 = PREFETCH_SIZE * SIZE, Y	

	mov	ar.lc = I

	}

	{ .mib

	cmp.eq	p8 ,p0  =   -1, I

	tbit.z	p0, p12 = J, 2

	(p8) br.cond.dpnt  .L55

	}

	;;

	.align 32

.L52:

	{ .mmi

	(p18) STFD	[XX] = f37, 1 * SIZE

	(p18) STFD	[YY] = f34, 1 * SIZE

	}

	{ .mmi

	(p16) LDFD	f32  = [X], 1 * SIZE

	(p16) LDFD	f35  = [Y], 1 * SIZE

	}

	;;

	{ .mmi

	(p18) STFD	[XX] = f43

	(p18) STFD	[YY] = f40

	(p18) add   XX = XX, INCXM1

	}

	{ .mmi

	(p16) LDFD	f38  = [X],  INCXM1

	(p16) LDFD	f41  = [Y],  INCYM1

	(p18) add   YY = YY, INCYM1

	}

	;;

	{ .mmi

	(p18) STFD	[XX] = f49, 1 * SIZE

	(p18) STFD	[YY] = f46, 1 * SIZE

	}

	{ .mmi

	(p16) LDFD	f44  = [X], 1 * SIZE

	(p16) LDFD	f47  = [Y], 1 * SIZE

	}

	;;

	{ .mmi

	(p18) STFD	[XX] = f55

	(p18) STFD	[YY] = f52

	(p18) add   XX = XX, INCXM1

	}

	{ .mmi

	(p16) LDFD	f50  = [X],  INCXM1

	(p16) LDFD	f53  = [Y],  INCYM1

	(p18) add   YY = YY, INCYM1

	}

	;;

	{ .mmi

	(p18) STFD	[XX] = f61, 1 * SIZE

	(p18) STFD	[YY] = f58, 1 * SIZE

	}

	{ .mmi

	(p16) LDFD	f56  = [X], 1 * SIZE

	(p16) LDFD	f59  = [Y], 1 * SIZE

	}

	;;

	{ .mmi

	(p18) STFD	[XX] = f67

	(p18) STFD	[YY] = f64

	(p18) add   XX = XX, INCXM1

	}

	{ .mmi

	(p16) LDFD	f62  = [X],  INCXM1

	(p16) LDFD	f65  = [Y],  INCYM1

	(p18) add   YY = YY, INCYM1

	}

	;;

	{ .mmi

	(p18) STFD	[XX] = f73, 1 * SIZE

	(p18) STFD	[YY] = f70, 1 * SIZE

	}

	{ .mmi

	(p16) LDFD	f68  = [X], 1 * SIZE

	(p16) LDFD	f71  = [Y], 1 * SIZE

	}

	;;

	{ .mmi

	(p18) STFD	[XX] = f79

	(p18) STFD	[YY] = f76

	(p18) add   XX = XX, INCXM1

	}

	{ .mmi

	(p16) LDFD	f74  = [X],  INCXM1

	(p16) LDFD	f77  = [Y],  INCYM1

	(p18) add   YY = YY, INCYM1

	}

	;;

	{ .mmi

	(p18) STFD	[XX] = f85, 1 * SIZE

	(p18) STFD	[YY] = f82, 1 * SIZE

	}

	{ .mmi

	(p16) LDFD	f80  = [X], 1 * SIZE

	(p16) LDFD	f83  = [Y], 1 * SIZE

	}

	;;

	{ .mmi

	(p18) STFD	[XX] = f91

	(p18) STFD	[YY] = f88

	(p18) add   XX = XX, INCXM1

	}

	{ .mmi

	(p16) LDFD	f86  = [X],  INCXM1

	(p16) LDFD	f89  = [Y],  INCYM1

	(p18) add   YY = YY, INCYM1

	}

	;;

	{ .mmi

	(p18) STFD	[XX] = f97, 1 * SIZE

	(p18) STFD	[YY] = f94, 1 * SIZE

	}

	{ .mmi

	(p16) LDFD	f92  = [X], 1 * SIZE

	(p16) LDFD	f95  = [Y], 1 * SIZE

	}

	;;

	{ .mmi

	(p18) STFD	[XX] = f103

	(p18) STFD	[YY] = f100

	(p18) add   XX = XX, INCXM1

	}

	{ .mmi

	(p16) LDFD	f98  = [X],  INCXM1

	(p16) LDFD	f101 = [Y],  INCYM1

	(p18) add   YY = YY, INCYM1

	}

	;;

	{ .mmi

	(p18) STFD	[XX] = f109, 1 * SIZE

	(p18) STFD	[YY] = f106, 1 * SIZE

	}

	{ .mmi

	(p16) LDFD	f104 = [X],  1 * SIZE

	(p16) LDFD	f107 = [Y],  1 * SIZE

	}

	;;

	{ .mmi

	(p18) STFD	[XX] = f115

	(p18) STFD	[YY] = f112

	(p18) add   XX = XX, INCXM1

	}

	{ .mmi

	(p16) LDFD	f110 = [X],  INCXM1

	(p16) LDFD	f113 = [Y],  INCYM1

	(p18) add   YY = YY, INCYM1

	}

	;;

	{ .mmi

	(p18) STFD	[XX] = f121, 1 * SIZE

	(p18) STFD	[YY] = f118, 1 * SIZE

	}

	{ .mmi

	(p16) LDFD	f116 = [X],  1 * SIZE

	(p16) LDFD	f119 = [Y],  1 * SIZE

	}

	;;

	{ .mmi

	(p18) STFD	[XX] = f127

	(p18) STFD	[YY] = f124

	(p18) add   XX = XX, INCXM1

	}

	{ .mmi

	(p16) LDFD	f122 = [X],  INCXM1

	(p16) LDFD	f125 = [Y],  INCYM1

	(p18) add   YY = YY, INCYM1

	}

	{ .mmb	

	(p16) lfetch.excl.nt1	[PRE1], INCX8

	(p16) lfetch.excl.nt1	[PRE2], INCY8

	br.ctop.sptk.few .L52

	}

	;;

	.align 32

.L55:

	{ .mmi

	(p12) LDFD	f32 = [X],  1 * SIZE

	(p12) LDFD	f80 = [Y],  1 * SIZE

	mov	ar.lc = ARLC

	}

	;;

	{ .mmi

	(p12) LDFD	f33 = [X],  INCXM1

	(p12) LDFD	f81 = [Y],  INCYM1

	mov	pr = PR, -65474

	}

	;;

	{ .mmb

	(p12) LDFD	f34 = [X],  1 * SIZE

	(p12) LDFD	f82 = [Y],  1 * SIZE

	(p9) br.ret.sptk.many b0

	}

	;;

	{ .mmi

	(p12) LDFD	f35 = [X],  INCXM1

	(p12) LDFD	f83 = [Y],  INCYM1

	tbit.z	p0, p13 = N, 1

	}

	;;

	{ .mmi

	(p12) LDFD	f36 = [X],  1 * SIZE

	(p12) LDFD	f84 = [Y],  1 * SIZE

	tbit.z	p0, p14 = N, 0

	}

	;;

	{ .mmi

	(p12) LDFD	f37 = [X],  INCXM1

	(p12) LDFD	f85 = [Y],  INCYM1

	}

	;;

	{ .mmi

	(p12) STFD	[XX] = f80, 1 * SIZE

	(p12) STFD	[YY] = f32, 1 * SIZE

	}

	{ .mmi

	(p12) LDFD	f38 = [X],  1 * SIZE

	(p12) LDFD	f86 = [Y],  1 * SIZE

	}

	;;

	{ .mmi

	(p12) STFD	[XX] = f81

	(p12) STFD	[YY] = f33

	(p12) add	XX = XX, INCXM1

	}

	{ .mmi

	(p12) LDFD	f39 = [X],  INCXM1

	(p12) LDFD	f87 = [Y],  INCYM1

	(p12) add	YY = YY, INCYM1

	}

	;;

	{ .mmi

	(p12) STFD	[XX] = f82, 1 * SIZE

	(p12) STFD	[YY] = f34, 1 * SIZE

	}

	{ .mmi

	(p13) LDFD	f40 = [X],  1 * SIZE

	(p13) LDFD	f88 = [Y],  1 * SIZE

	}

	;;

	{ .mmi

	(p12) STFD	[XX] = f83

	(p12) STFD	[YY] = f35

	(p12) add	XX = XX, INCXM1

	}

	{ .mmi

	(p13) LDFD	f41 = [X],  INCXM1

	(p13) LDFD	f89 = [Y],  INCYM1

	(p12) add	YY = YY, INCYM1

	}

	;;

	{ .mmi

	(p12) STFD	[XX] = f84, 1 * SIZE

	(p12) STFD	[YY] = f36, 1 * SIZE

	}

	{ .mmi

	(p13) LDFD	f42 = [X],  1 * SIZE

	(p13) LDFD	f90 = [Y],  1 * SIZE

	}

	;;

	{ .mmi

	(p12) STFD	[XX] = f85

	(p12) STFD	[YY] = f37

	(p12) add	XX = XX, INCXM1

	}

	{ .mmi

	(p13) LDFD	f43 = [X],  INCXM1

	(p13) LDFD	f91 = [Y],  INCYM1

	(p12) add	YY = YY, INCYM1

	}

	;;

	{ .mmi

	(p12) STFD	[XX] = f86, 1 * SIZE

	(p12) STFD	[YY] = f38, 1 * SIZE

	}

	{ .mmi

	(p14) LDFD	f44 = [X],  1 * SIZE

	(p14) LDFD	f92 = [Y],  1 * SIZE

	}

	;;

	{ .mmi

	(p12) STFD	[XX] = f87

	(p12) STFD	[YY] = f39

	(p12) add	XX = XX, INCXM1

	}

	{ .mmi

	(p14) LDFD	f45 = [X]

	(p14) LDFD	f93 = [Y]

	(p12) add	YY = YY, INCYM1

	}

	;;

	{ .mmi

	(p13) STFD	[XX] = f88, 1 * SIZE

	(p13) STFD	[YY] = f40, 1 * SIZE

	}

	;;

	(p13) STFD	[XX] = f89

	(p13) add	XX = XX, INCXM1

	(p13) STFD	[YY] = f41

	(p13) add	YY = YY, INCYM1

	;;

	(p13) STFD	[XX] = f90, 1 * SIZE

	(p13) STFD	[YY] = f42, 1 * SIZE

	;;

	(p13) STFD	[XX] = f91

	(p13) add	XX = XX, INCXM1

	(p13) STFD	[YY] = f43

	(p13) add	YY = YY, INCYM1

	;;

	(p14) STFD	[XX] = f92, 1 * SIZE

	(p14) STFD	[YY] = f44, 1 * SIZE

	;;

	(p14) STFD	[XX] = f93

	(p14) STFD	[YY] = f45

	br.ret.sptk.many b0

	;;

	EPILOGUE