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

/* 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

#ifndef XDOUBLE

#define N	r32

#define X1	r36

#define INCX	r37

#define Y1	r38

#define INCY	r39

#else

#define N	r32

#define X1	r38

#define INCX	r39

#define Y1	r33

#define INCY	r34

#endif

#define PRE1	r2

#define PRE2	r3

#define I	r14

#define J	r15

#define X2	r16

#define Y2	r17

#define X3	r18

#define Y3	r19

#define X4	r20

#define Y4	r21

#define YY	r22

#define XX	r23

#define INCX5	r24

#define INCY5	r25

#define INCX16	r26

#define INCY16	r27

#define XYSUB	r28

#define PR	r30

#define ARLC	r31

	PROLOGUE

	.prologue

	PROFCODE

#ifdef XDOUBLE

	adds	r8 = 16, SP

	adds	r9 = 24, SP

	;;

	ld8	Y1   = [r8]

	ld8	INCY = [r9]

	;;

#endif

	{ .mmi

	shladd	INCX = INCX, BASE_SHIFT, r0

	shladd	INCY = INCY, BASE_SHIFT, r0

	.save ar.lc, ARLC

	mov	ARLC = ar.lc

	}

	{ .mib

	cmp.lt	p0, p6 = r0, N

	tbit.z	p0, p8 = Y1, BASE_SHIFT

	(p6) br.ret.sptk.many b0

	}

	;;

	.body

	{ .mmi

	shladd	INCX16 = INCX, 4, r0

	shladd	INCY16 = INCY, 4, r0

	mov	PR = pr

	}

	{ .mmi

	sub	XYSUB = X1, Y1

	mov	X3 = X1

	shr	I =  N, 4

	}

	;;

	{ .mmi

	shladd	INCX5  = INCX, 2, INCX

	shladd	INCY5  = INCY, 2, INCY

	mov	pr.rot= 0

	}

	{ .mmi

	adds	I = -1, I

	and	J = 15, N

	extr	XYSUB =  XYSUB, BASE_SHIFT, 6

	}

	;;

	{ .mmi

	shladd	X2 = INCX, 2, X1

	shladd	Y2 = INCY, 2, Y1

	mov	ar.lc = I

	}

	{ .mmi

	shladd	X4 = INCX, 2, X1

	shladd	Y4 = INCY, 2, Y1

	cmp.eq	p16, p0 = r0, r0

	}

	;;

	{ .mmi

	shladd	PRE2  = XYSUB, BASE_SHIFT, Y1

	cmp.lt	p8 ,p0  =   28, XYSUB

	mov	Y3 = Y1

	}

	;;

	{ .mmi

	adds	PRE1 = (PREFETCH_SIZE +  4) * SIZE, X1

	adds	PRE2 = (PREFETCH_SIZE - 12) * SIZE, PRE2

	mov	ar.ec= 2

	}

	{ .mib

	cmp.eq	p9 ,p0  =   -1, I

	tbit.z	p0, p12 = N, 3

	(p9) br.cond.dpnt  .L15

	}

	;;

	.align 16

.L12:

	{ .mmi

	(p18) STFD	[Y3] = f56

	(p18) STFD	[Y4] = f64

	(p18) add   Y3 = Y3, INCY5

	}

	{ .mmi

	(p16) LDFD	f32 = [X1],  INCX

	(p16) LDFD	f40 = [X2],  INCX

	(p18) add   Y4 = Y4, INCY5

	}

	;;

	{ .mmi

	(p17) STFD	[X3] = f65

	(p17) STFD	[X4] = f73

	(p17) add   X3 = X3, INCX

	}

	{ .mmi

	(p16) LDFD	f64 = [Y1],  INCY

	(p16) LDFD	f72 = [Y2],  INCY

	(p17) add   X4 = X4, INCX

	}

	;;

	{ .mmi

	(p17) STFD	[Y3] = f33

	(p17) STFD	[Y4] = f41

	(p17) add   Y3 = Y3, INCY

	}

	{ .mmi

	(p16) LDFD	f34 = [X1],  INCX

	(p16) LDFD	f42 = [X2],  INCX

	(p17) add   Y4 = Y4, INCY

	}

	;;

	{ .mmi

	(p17) STFD	[X3] = f67

	(p17) STFD	[X4] = f75

	(p17) add   X3 = X3, INCX

	}

	{ .mmi

	(p16) LDFD	f66 = [Y1],  INCY

	(p16) LDFD	f74 = [Y2],  INCY

	(p17) add   X4 = X4, INCX

	}

	;;

	{ .mmi

	(p17) STFD	[Y3] = f35

	(p17) STFD	[Y4] = f43

	(p17) add   Y3 = Y3, INCY

	}

	{ .mmi

	(p16) LDFD	f36 = [X1],  INCX

	(p16) LDFD	f44 = [X2],  INCX

	(p17) add   Y4 = Y4, INCY

	}

	;;

	{ .mmi

	(p17) STFD	[X3] = f69

	(p17) STFD	[X4] = f77

	(p17) add   X3 = X3, INCX

	}

	{ .mmi

	(p16) LDFD	f68 = [Y1],  INCY

	(p16) LDFD	f76 = [Y2],  INCY

	(p17) add   X4 = X4, INCX

	}

	;;

	{ .mmi

	(p17) STFD	[Y3] = f37

	(p17) STFD	[Y4] = f45

	(p17) add   Y3 = Y3, INCY

	}

	{ .mmi

	(p16) LDFD	f38 = [X1],  INCX5

	(p16) LDFD	f46 = [X2],  INCX5

	(p17) add   Y4 = Y4, INCY

	}

	;;

	{ .mmi

	(p17) STFD	[X3] = f71

	(p17) STFD	[X4] = f79

	(p17) add   X3 = X3, INCX5

	}

	{ .mmi

	(p16) LDFD	f70 = [Y1],  INCY5

	(p16) LDFD	f78 = [Y2],  INCY5

	(p17) add   X4 = X4, INCX5

	}

	;;

	{ .mmi

	(p17) STFD	[Y3] = f39

	(p17) STFD	[Y4] = f47

	(p17) add   Y3 = Y3, INCY5

	}

	{ .mmi

	(p16) LDFD	f48 = [X1],  INCX

	(p16) LDFD	f56 = [X2],  INCX

	(p17) add   Y4 = Y4, INCY5

	}

	;;

	{ .mmi

	(p17) STFD	[X3] = f81

	(p17) STFD	[X4] = f89

	(p17) add   X3 = X3, INCX

	}

	{ .mmi

	(p16) LDFD	f80 = [Y1],  INCY

	(p16) LDFD	f88 = [Y2],  INCY

	(p17) add   X4 = X4, INCX

	}

	;;

	{ .mmi

	(p17) STFD	[Y3] = f49

	(p17) STFD	[Y4] = f57

	(p17) add   Y3 = Y3, INCY

	}

	{ .mmi

	(p16) LDFD	f50 = [X1],  INCX

	(p16) LDFD	f58 = [X2],  INCX

	(p17) add   Y4 = Y4, INCY

	}

	;;

	{ .mmi

	(p17) STFD	[X3] = f83

	(p17) STFD	[X4] = f91

	(p17) add   X3 = X3, INCX

	}

	{ .mmi

	(p16) LDFD	f82 = [Y1],  INCY

	(p16) LDFD	f90 = [Y2],  INCY

	(p17) add   X4 = X4, INCX

	}

	;;

	{ .mmi

	(p17) STFD	[Y3] = f51

	(p17) STFD	[Y4] = f59

	(p17) add   Y3 = Y3, INCY

	}

	{ .mmi

	(p16) LDFD	f52 = [X1],  INCX

	(p16) LDFD	f60 = [X2],  INCX

	(p17) add   Y4 = Y4, INCY

	}

	;;

	{ .mmi

	(p17) STFD	[X3] = f85

	(p17) STFD	[X4] = f93

	(p17) add   X3 = X3, INCX

	}

	{ .mmi

	(p16) LDFD	f84 = [Y1],  INCY

	(p16) LDFD	f92 = [Y2],  INCY

	(p17) add   X4 = X4, INCX

	}

	;;

	{ .mmi

	(p16) lfetch.nt1	[PRE1]

	(p16) lfetch.nt1	[PRE2]

	(p16) shladd	PRE1 = INCX, 4, PRE1

	}

	{ .mmi

	(p16) LDFD	f54 = [X1],  INCX5

	(p16) LDFD	f62 = [X2],  INCX5

	(p16) shladd	PRE2 = INCX, 4, PRE2

	}

	;;

	{ .mmi

	(p17) STFD	[Y3] = f53

	(p17) STFD	[Y4] = f61

	(p17) add   Y3 = Y3, INCY

	}

	{ .mmi

	(p16) LDFD	f86 = [Y1],  INCY5

	(p16) LDFD	f94 = [Y2],  INCY5

	(p17) add   Y4 = Y4, INCY

	}

	;;

	{ .mmi

	(p17) STFD	[X3] = f87

	(p17) STFD	[X4] = f95

	(p17) add   X3 = X3, INCX5

	}

	{ .mib

	nop   __LINE__

	(p17) add   X4 = X4, INCX5

	br.ctop.sptk.few .L12

	}

	;;

.L15:

	{ .mmi

	(p18) STFD	[Y3] = f56

	(p18) STFD	[Y4] = f64

	mov	ar.lc = ARLC

	}

	{ .mmi

	(p12) LDFD	f32 = [X1],  INCX

	(p12) LDFD	f36 = [X2],  INCX

	cmp.eq	p10,  p0 = r0, J

	}

	;;

	{ .mmi

	(p12) LDFD	f80 = [Y1],  INCY

	(p12) LDFD	f84 = [Y2],  INCY

	(p18) add   Y3 = Y3, INCY5

	}

	{ .mmi

	(p12) LDFD	f33 = [X1],  INCX

	(p12) LDFD	f37 = [X2],  INCX

	(p18) add   Y4 = Y4, INCY5

	}

	;;

	{ .mmi

	(p12) LDFD	f81 = [Y1],  INCY

	(p12) LDFD	f85 = [Y2],  INCY

	mov	pr = PR, -65474

	}

	{ .mmb

	(p12) LDFD	f34 = [X1],  INCX

	(p12) LDFD	f38 = [X2],  INCX

	(p10) br.ret.sptk.many b0

	}

	;;

	{ .mmi

	(p12) LDFD	f82 = [Y1],  INCY

	(p12) LDFD	f86 = [Y2],  INCY

	tbit.z	p0, p13 = N, 2

	}

	{ .mmi

	(p12) LDFD	f35 = [X1],  INCX5

	(p12) LDFD	f39 = [X2],  INCX5

	tbit.z	p0, p14 = N, 1

	}

	;;

	{ .mmi

	(p12) LDFD	f83 = [Y1],  INCY5

	(p12) LDFD	f87 = [Y2],  INCY5

	tbit.z	p0, p15 = N, 0

	}

	;;

	{ .mmi

	(p13) LDFD	f40 = [X1],  INCX

	(p13) LDFD	f88 = [Y1],  INCY

	}

	;;

	{ .mmi

	(p13) LDFD	f41 = [X1],  INCX

	(p13) LDFD	f89 = [Y1],  INCY

	}

	;;

	{ .mmi

	(p12) STFD	[Y3] = f32

	(p12) STFD	[Y4] = f36

	(p12) add	Y3 = Y3, INCY

	}

	{ .mmi

	(p13) LDFD	f42 = [X1],  INCX

	(p13) LDFD	f90 = [Y1],  INCY

	(p12) add	Y4 = Y4, INCY

	}

	;;

	{ .mmi

	(p12) STFD	[X3] = f80

	(p12) STFD	[X4] = f84

	(p12) add	X3 = X3, INCX

	}

	{ .mmi

	(p13) LDFD	f43 = [X1],  INCX

	(p13) LDFD	f91 = [Y1],  INCY

	(p12) add	X4 = X4, INCX

	}

	;;

	{ .mmi

	(p12) STFD	[Y3] = f33

	(p12) STFD	[Y4] = f37

	(p12) add	Y3 = Y3, INCY

	}

	{ .mmi

	(p14) LDFD	f44 = [X1],  INCX

	(p14) LDFD	f92 = [Y1],  INCY

	(p12) add	Y4 = Y4, INCY

	}

	;;

	{ .mmi

	(p12) STFD	[X3] = f81

	(p12) STFD	[X4] = f85

	(p12) add	X3 = X3, INCX

	}

	{ .mmi

	(p14) LDFD	f45 = [X1],  INCX

	(p14) LDFD	f93 = [Y1],  INCY

	(p12) add	X4 = X4, INCX

	}

	;;

	{ .mmi

	(p12) STFD	[X3] = f82

	(p12) STFD	[X4] = f86

	(p12) add	X3 = X3, INCX

	}

	{ .mmi

	(p15) LDFD	f46 = [X1],  INCX

	(p15) LDFD	f94 = [Y1],  INCY

	(p12) add	X4 = X4, INCX

	}

	;;

	{ .mmi

	(p12) STFD	[Y3] = f34

	(p12) STFD	[Y4] = f38

	(p12) add	Y3 = Y3, INCY

	}

	{ .mmi

	nop	__LINE__

	nop	__LINE__

	(p12) add	Y4 = Y4, INCY

	}

	;;

	{ .mmi

	(p12) STFD	[X3] = f83

	(p12) STFD	[X4] = f87

	(p12) add	X3 = X3, INCX5

	}

	{ .mmi

	nop	__LINE__

	nop	__LINE__

	(p12) add	X4 = X4, INCX5

	}

	;;

	{ .mmi

	(p12) STFD	[Y3] = f35

	(p12) STFD	[Y4] = f39

	(p12) add	Y3 = Y3, INCY5

	}

	{ .mmi

	nop	__LINE__

	nop	__LINE__

	(p12) add	Y4 = Y4, INCY5

	}

	;;

	{ .mmi

	(p13) STFD	[X3] = f88

	(p13) STFD	[Y3] = f40

	(p13) add	X3 = X3, INCX

	}

	{ .mmi

	nop	__LINE__

	nop	__LINE__

	(p13) add	Y3 = Y3, INCY

	}

	;;

	{ .mmi

	(p13) STFD	[X3] = f89

	(p13) STFD	[Y3] = f41

	(p13) add	X3 = X3, INCX

	}

	{ .mmi

	nop	__LINE__

	nop	__LINE__

	(p13) add	Y3 = Y3, INCY

	}

	;;

	{ .mmi

	(p13) STFD	[X3] = f90

	(p13) STFD	[Y3] = f42

	(p13) add	X3 = X3, INCX

	}

	{ .mmi

	nop	__LINE__

	nop	__LINE__

	(p13) add	Y3 = Y3, INCY

	}

	;;

	{ .mmi

	(p13) STFD	[X3] = f91

	(p13) STFD	[Y3] = f43

	(p13) add	X3 = X3, INCX

	}

	{ .mmi

	nop	__LINE__

	nop	__LINE__

	(p13) add	Y3 = Y3, INCY

	}

	;;

	{ .mmi

	(p14) STFD	[X3] = f92

	(p14) STFD	[Y3] = f44

	(p14) add	X3 = X3, INCX

	}

	{ .mmi

	nop	__LINE__

	nop	__LINE__

	(p14) add	Y3 = Y3, INCY

	}

	;;

	{ .mmi

	(p14) STFD	[X3] = f93

	(p14) STFD	[Y3] = f45

	(p14) add	X3 = X3, INCX

	}

	{ .mmi

	nop	__LINE__

	nop	__LINE__

	(p14) add	Y3 = Y3, INCY

	}

	;;

	{ .mmb

	(p15) STFD	[X3] = f94

	(p15) STFD	[Y3] = f46

	br.ret.sptk.many b0

	}

	;;

	EPILOGUE