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

/* 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 +  4)

#elif defined(DOUBLE)

#define PREFETCH_SIZE (16 * 16 +  8)

#else

#define PREFETCH_SIZE (32 * 16 + 16)

#endif

#ifdef USE_MIN

#define CMPUNC cmp.lt.unc

#define CMP    cmp.lt

#else

#define CMPUNC cmp.gt.unc

#define CMP    cmp.gt

#endif

#define RET	r8

#define N	r32

#define DX	r33

#define INCX	r34

#define PRE1	r2

#define I	r14

#define J	r15

#define K	r16

#define TMP	r17

#define INCXM1	r18

#define INCX8	r19

#define MAX1	r20

#define DMAX1	r21

#define DATA1	r22

#define DATA2	r23

#define DATA3	r24

#define DATA4	r25

#define DATA5	r26

#define DATA6	r27

#define DATA7	r28

#define DATA8	r29

#define PR	r30

#define ARLC	r31

	PROLOGUE

	.prologue

	PROFCODE

	{ .mmi

	mov	MAX1 = -1

	mov	DMAX1 = 0

	.save	ar.lc, ARLC

	mov	ARLC = ar.lc

	}

	.body

#ifdef F_INTERFACE

	{ .mmi

	LDINT	N = [N]

	LDINT	INCX = [INCX]

	nop.i 0

	}

	;;

#ifndef USE64BITINT

	{ .mii

	nop.m 0

	sxt4	N = N

	sxt4	INCX = INCX

	}

	;; 

#endif

#endif

	{ .mii

	adds	K = -1, N

	shl	INCX = INCX, ZBASE_SHIFT

	mov	PR = pr

	}

	{ .mmb

	cmp.ge	p8, p0 = 0, N

	(p8) br.cond.dptk .L999

	}

	;;

	{ .mib

	cmp.ge	p6, p0 = 0, INCX

	mov	pr.rot= 0

	(p6) br.cond.dptk .L999

	}

	;;

	{ .mmi

	LDFD	f6 = [DX], SIZE

	adds	INCXM1 = - SIZE, INCX

	mov	ar.ec= 5

	}

	;;

	{ .mmi

	LDFD	f7 = [DX], INCXM1

	mov	MAX1 = 0

	mov	I = 1

	}

	;;

	{ .mfi

	cmp.eq	p16, p0 = r0, r0

	fabs	f6 = f6

	shr	J =  K, 3

	}

	{ .mmf

	nop.m 0

	nop.m 0

	fabs	f7 = f7

	}

	;;

	{ .mmi

	cmp.ne	p8,  p0 = r0, r0

	adds	J = -1, J

	shladd	INCX8 = INCX, 3, r0

	}

	{ .mmf

	nop.m 0

	nop.m 0

	FADD	f6 = f6, f7

	}

	;;

	{ .mmi

	getf.d	DMAX1 = f6

	adds	PRE1 = PREFETCH_SIZE * SIZE, DX

	mov	ar.lc = J

	}

	{ .mib

	cmp.eq	p7 ,p0  =   -1, J

	tbit.z	p0, p13 = K, 2

	(p7) br.cond.dpnt  .L15

	}

	.align 32

	;;

.L10:

	{ .mmf

	(p16) lfetch.nt1 [PRE1], INCX8

	(p16) LDFD	f32  = [DX], SIZE

	(p19) fabs	f35  = f35

	}

	{ .mmf

	(p8 ) mov  DMAX1 = DATA1

	nop.m 0

	(p19) fabs	f40  = f40

	}

	;;

	{ .mmf

	(p20) getf.d	DATA5 = f12

	(p16) LDFD	f37  = [DX], INCXM1

	(p20) FADD	f14  = f96,  f101

	}

	{ .mmi

	(p8 ) adds  MAX1 = 0, I

	(p20) CMPUNC	p8,  p0 = DATA2,  DMAX1

	nop.i 0

	}

	;;

	{ .mmf

	(p16) LDFD	f42  = [DX], SIZE

	(p8 ) mov  DMAX1 = DATA2

	(p19) fabs	f45  = f45

	}

	{ .mmf

	nop.m 0

	nop.m 0

	(p19) fabs	f50  = f50

	}

	;;

	{ .mmf

	(p20) getf.d	DATA6 = f13

	(p16) LDFD	f47  = [DX], INCXM1

	(p20) FADD	f15  = f106, f111

	}

	{ .mmi

	(p8 ) adds  MAX1 = 1, I

	(p20) CMPUNC	p8,  p0 = DATA3,  DMAX1

	nop.i 0

	}

	;;

	{ .mmf

	(p16) LDFD	f52  = [DX], SIZE

	(p8 ) mov  DMAX1 = DATA3

	(p19) fabs	f55  = f55

	}

	{ .mmf

	nop.m 0

	nop.m 0

	(p19) fabs	f60  = f60

	}

	;;

	{ .mmf

	(p20) getf.d	DATA7 = f14

	(p16) LDFD	f57  = [DX], INCXM1

	(p19) FADD	f8   = f35,  f40

	}

	{ .mmi

	(p8 ) adds  MAX1 = 2, I

	(p20) CMPUNC	p8,  p0 = DATA4,  DMAX1

	nop.i 0

	}

	;;

	{ .mmf

	(p16) LDFD	f62 = [DX], SIZE

	(p8 ) mov  DMAX1 = DATA4

	(p19) fabs	f65  = f65

	}

	{ .mmf

	nop.m 0

	nop.m 0

	(p19) fabs	f70  = f70

	}

	;;

	{ .mmf

	(p20) getf.d	DATA8 = f15

	(p16) LDFD	f67  = [DX], INCXM1

	(p19) FADD	f9   = f45,  f50

	}

	{ .mmi

	(p8 ) adds  MAX1 = 3, I

	(p20) CMPUNC	p8,  p0 = DATA5,  DMAX1

	nop.i 0

	}

	;;

	{ .mmf

	(p16) LDFD	f72 = [DX], SIZE

	(p8 ) mov  DMAX1 = DATA5

	(p19) fabs	f75  = f75

	}

	{ .mmf

	nop.m 0

	nop.m 0

	(p19) fabs	f80  = f80

	}

	;;

	{ .mmf

	(p19) getf.d	DATA1 = f8

	(p16) LDFD	f77  = [DX], INCXM1

	(p19) FADD	f10  = f55,  f60

	}

	{ .mmi

	(p8 ) adds  MAX1 = 4, I

	(p20) CMPUNC	p8,  p0 = DATA6,  DMAX1

	nop.i 0

	}

	;;

	{ .mmf

	(p16) LDFD	f82 = [DX], SIZE

	(p8 ) mov  DMAX1 = DATA6

	(p19) fabs	f85  = f85

	}    

	{ .mmf

	nop.m 0

	nop.m 0

	(p19) fabs	f90  = f90

	}

	;;

	{ .mmf

	(p19) getf.d	DATA2 = f9

	(p16) LDFD	f87  = [DX], INCXM1

	(p19) FADD	f11  = f65,  f70

	}

	{ .mmi

	(p8 ) adds  MAX1 = 5, I

	(p20) CMPUNC	p8,  p0 = DATA7,  DMAX1

	nop.i 0

	}

	;;

	{ .mmf

	(p16) LDFD	f92  = [DX], SIZE

	(p8 ) mov  DMAX1 = DATA7

	(p19) fabs	f95  = f95

	}

	{ .mmf

	mov	TMP = I

	nop.m 0

	(p19) fabs	f100 = f100

	}

	;;

	{ .mmf

	(p19) getf.d	DATA3 = f10

	(p16) LDFD	f97  = [DX], INCXM1

	(p19) FADD	f12  = f75,  f80

	}

	{ .mmi

	(p8 ) adds  MAX1 = 6, I

	(p20) CMPUNC	p8, p0 = DATA8,  DMAX1

	nop.i 0

	}

	;;

	{ .mmf

	(p16) LDFD	f102 = [DX], SIZE

	(p8 ) mov  DMAX1 = DATA8

	(p19) fabs	f105 = f105

	}

	{ .mmf

	(p20) adds I = 8, I

	nop.m 0

	(p19) fabs	f110 = f110

	}

	;;

	{ .mmi

	(p19) getf.d	DATA4 = f11

	(p16) LDFD	f107 = [DX], INCXM1

	(p8 ) adds  MAX1 = 7, TMP

	}

	{ .mfb

	(p19) CMPUNC	p8,  p0 = DATA1,  DMAX1

	(p19) FADD	f13  = f85,  f90

	br.ctop.sptk.few .L10

	}

	;;

	.align 32

.L15:

	{ .mmi

	(p13) LDFD	f32 = [DX], SIZE

	and	J =  7, K

	mov	pr = PR, -65474

	}

	;;

	{ .mmb

	(p13) LDFD	f33 = [DX], INCXM1

	cmp.eq	p8 ,p0  =   r0, J

	(p8) br.cond.dpnt  .L999

	}

	;;

	{ .mmi

	(p13) LDFD	f34 = [DX], SIZE

	;;

	(p13) LDFD	f35 = [DX], INCXM1

	nop.i 0

	}

	;;

	{ .mmi

	(p13) LDFD	f36 = [DX], SIZE

	;;

	(p13) LDFD	f37 = [DX], INCXM1

	nop.i 0

	}

	;;

	{ .mfi

	(p13) LDFD	f38 = [DX], SIZE

	(p13) fabs	f32 = f32

	tbit.z	p0, p14 = K, 1

	}

	;;

	{ .mmf

	(p13) LDFD	f39 = [DX], INCXM1

	nop.m 0

	(p13) fabs	f33 = f33

	}

	;;

	{ .mmf

	(p14) LDFD	f40 = [DX], SIZE

	nop.m 0

	(p13) fabs	f34 = f34

	}

	;;

	{ .mfi

	(p14) LDFD	f41 = [DX], INCXM1

	(p13) fabs	f35 = f35

	tbit.z	p0, p15 = K, 0

	}

	;;

	{ .mmf

	(p14) LDFD	f42 = [DX], SIZE

	nop.m 0

	(p13) fabs	f36 = f36

	}

	;;

	{ .mmf

	(p14) LDFD	f43 = [DX], INCXM1

	nop.m 0

	(p13) fabs	f37 = f37

	}

	{ .mmf

	nop.m 0

	nop.m 0

	(p13) FADD	f32 = f32, f33

	}

	;;

	{ .mmf

	(p15) LDFD	f44 = [DX], SIZE

	nop.m 0

	(p13) fabs	f38 = f38

	}

	;;

	{ .mmf

	(p15) LDFD	f45 = [DX], INCXM1

	nop.m 0

	(p13) fabs	f39 = f39

	}

	{ .mmf

	nop.m 0

	nop.m 0

	(p13) FADD	f34 = f34, f35

	}

	;;

	{ .mmf

	nop.m 0

	nop.m 0

	(p14) fabs	f40 = f40

	}

	;;

	{ .mmf

	(p13) getf.d	DATA1 = f32

	nop.m 0

	(p14) fabs	f41 = f41

	}

	{ .mmf

	nop.m 0

	nop.m 0

	(p13) FADD	f36 = f36, f37

	}

	;;

	{ .mmf

	nop.m 0

	nop.m 0

	(p14) fabs	f42 = f42

	}

	;;

	{ .mmf

	(p13) getf.d	DATA2 = f34

	nop.m 0

	(p14) fabs	f43 = f43

	}

	{ .mmf

	nop.m 0

	nop.m 0

	(p13) FADD	f38 = f38, f39

	}

	;;

	{ .mmf

	nop.m 0

	nop.m 0

	(p15) fabs	f44 = f44

	}

	;;

	{ .mmf

	(p13) getf.d	DATA3 = f36

	nop.m 0

	(p15) fabs	f45 = f45

	}

	{ .mmf

	nop.m 0

	nop.m 0

	(p14) FADD	f40 = f40, f41

	}

	;;

	{ .mmf

	(p13) getf.d	DATA4 = f38

	nop.m 0

	(p14) FADD	f42 = f42, f43

	}

	;;

	{ .mmf

	(p14) getf.d	DATA5 = f40

	nop.m 0

	(p15) FADD	f44 = f44, f45

	}

	;;

	{ .mmi

	(p14) getf.d	DATA6 = f42

	nop.m 0

	(p13) CMPUNC	p8,  p0 = DATA1, DMAX1

	}

	;;

	{ .mmi

	(p15) getf.d	DATA7 = f44

	(p8 ) adds	MAX1  = 0, I

	(p8 ) mov	DMAX1 = DATA1

	}

	;;

	{ .mmi

	(p13) CMPUNC	p8,  p0 = DATA2, DMAX1

	;;

	(p8 ) adds	MAX1  = 1, I

	(p8 ) mov	DMAX1 = DATA2

	}

	;;

	{ .mmi

	(p13) CMPUNC	p8,  p0 = DATA3, DMAX1

	;;

	(p8 ) adds	MAX1  = 2, I

	(p8 ) mov	DMAX1 = DATA3

	}

	;;

	{ .mmi

	(p13) CMPUNC	p8,  p0 = DATA4, DMAX1

	;;

	(p8 ) adds	MAX1  = 3, I

	(p8 ) mov	DMAX1 = DATA4

	}{ .mmi

	(p13) adds	I = 4, I

	nop.m 0

	nop.i 0

	}

	;;

	{ .mmi

	(p14) CMPUNC	p8,  p0 = DATA5, DMAX1

	;;

	(p8 ) adds	MAX1  = 0, I

	(p8 ) mov	DMAX1 = DATA5

	}

	;;

	{ .mmi

	(p14) CMPUNC	p8,  p0 = DATA6, DMAX1

	;;

	(p8 ) adds	MAX1  = 1, I

	(p8 ) mov	DMAX1 = DATA6

	}{ .mmi

	(p14) adds	I = 2, I

	nop.m 0

	nop.i 0

	}

	;;

	{ .mmi

	(p15) CMPUNC	p8,  p0 = DATA7, DMAX1

	;;

	(p8) adds	MAX1  = 0, I

	(p8) mov	DMAX1 = DATA7

	}

	;;

	.align 32

.L999:

	{ .mmi

	setf.d	f8 = DMAX1

	adds RET = 1, MAX1

	mov	ar.lc = ARLC

	}

	{ .mmb

	nop.m 0

	nop.m 0

	br.ret.sptk.many b0

	}

	EPILOGUE