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

/* 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 X1	r14

#define INCX	r15

#else

#define N	r32

#define X1	r37

#define INCX	r38

#endif

#define X2		r16

#define Y1		r17

#define INCX3		r18

#define PRE		r19

#define INCX8		r20

#define I		r29

#define J		r28

#define PR		r30

#define ARLC		r31

#define ALPHA_R		f8

#define ALPHA_I		f9

	PROLOGUE

	.prologue

	PROFCODE

	{.mmi

	adds	r22 = 16, SP

	adds	r23 = 24, SP

	mov	PR = pr

	}

	{ .mib

	cmp.ge	p7, p0 = 0, N

	shr	I = N, 3

	(p7) br.ret.sptk.many b0

	}

	;;

#ifdef XDOUBLE

	{ .mmi

	ld8	X1     = [r22]

	ld8	INCX   = [r23]

	nop	__LINE__

	}

	;;

#endif

	{ .mfi

	and	J = 7, N

 	fcmp.eq	p0, p11 = ALPHA_I, f0

	.save	ar.lc, ARLC

	mov	ARLC = ar.lc

	}

	{ .mfi

	adds	I = -1, I

	fcmp.eq	p0, p10 = ALPHA_R, f0

	shl	INCX = INCX, ZBASE_SHIFT

	}

	;;

	.body

	{ .mmi

	shladd	INCX8 = INCX, 3, r0

	shladd	X2 = INCX, 1, X1

	mov	pr.rot= 0

	}

	{ .mmi

	shladd	INCX3 = INCX, 1, INCX

	adds	PRE = PREFETCH_SIZE * SIZE, X1

	mov	Y1 = X1

	}

	;;

	{ .mmi

	cmp.gt	p8, p0 = 0, I

	cmp.ge	p9, p0 = 0, J

	mov	ar.lc = I

	}

	{ .mmi

	adds	INCX =  -1 * SIZE, INCX

	adds	INCX3 = -1 * SIZE, INCX3

	tbit.z	p0, p13 = N, 2

	}

	;;

	{ .bbb

	(p10) br.cond.dptk .L100

	(p11) br.cond.dptk .L100

	(p8)  br.cond.dpnt .L20

	}

	;;

	.align 32

.L10:

	{ .mmb

	STFD	[X1] = f0, 1 * SIZE

	STFD	[X2] = f0, 1 * SIZE

	nop.b	0

	}

	{ .mmb

	lfetch.excl.nt1	[PRE], INCX8

	nop.m	0

	}

	;;

	{ .mmb

	STFD	[X1] = f0

	add	X1 = INCX, X1

	}

	{ .mmb

	STFD	[X2] = f0

	add	X2 = INCX, X2

	}

	;;

	{ .mmb

	STFD	[X1] = f0, 1 * SIZE

	STFD	[X2] = f0, 1 * SIZE

	nop.b	0

	}

	;;

	{ .mmb

	STFD	[X1] = f0

	add	X1 = INCX3, X1

	}

	{ .mmb

	STFD	[X2] = f0

	add	X2 = INCX3, X2

	}

	;;

	{ .mmb

	STFD	[X1] = f0, 1 * SIZE

	STFD	[X2] = f0, 1 * SIZE

	nop.b	0

	}

	;;

	{ .mmb

	STFD	[X1] = f0

	add	X1 = INCX, X1

	}

	{ .mmb

	STFD	[X2] = f0

	add	X2 = INCX, X2

	}

	;;

	{ .mmb

	STFD	[X1] = f0, 1 * SIZE

	STFD	[X2] = f0, 1 * SIZE

	nop.b	0

	}

	;;

	{ .mmb

	STFD	[X1] = f0

	add	X1 = INCX3, X1

	}

	{ .mmb

	STFD	[X2] = f0

	add	X2 = INCX3, X2

	br.cloop.sptk.few .L10

	}

	;;

	.align 32

.L20:

	{ .mmi

	(p13) STFD	[X1] = f0, 1 * SIZE

	(p13) STFD	[X2] = f0, 1 * SIZE

	mov	ar.lc = ARLC

	}

	;;

	{ .mmi

	(p13) STFD	[X1] = f0

	(p13) add	X1 = INCX, X1

	tbit.z	p0, p14 = N, 1

	}

	{ .mmi

	(p13) STFD	[X2] = f0

	(p13) add	X2 = INCX, X2

	tbit.z	p0, p15 = N, 0

	}

	;;

	{ .mmb

	(p13) STFD	[X1] = f0, 1 * SIZE

	(p13) STFD	[X2] = f0, 1 * SIZE

	nop.b 0

	}

	{ .mib

	nop.m	0

	mov	pr = PR, -65474

	(p9) br.ret.sptk.many b0

	}

	;;

	{ .mmb

	(p13) STFD	[X1] = f0

	(p13) add	X1 = INCX3, X1

	}

	{ .mmb

	(p13) STFD	[X2] = f0

	(p13) add	X2 = INCX3, X2

	}

	;;

	(p14) STFD	[X1] = f0, 1 * SIZE

	;;

	{ .mmb

	(p14) STFD	[X1] = f0

	(p14) add	X1 = INCX, X1

	}

	;;

	(p14) STFD	[X1] = f0, 1 * SIZE

	;;

	{ .mmb

	(p14) STFD	[X1] = f0

	(p14) add	X1 = INCX, X1

	}

	;;

	(p15) STFD	[X1] = f0, 1 * SIZE

	;;

	{ .mib

	(p15) STFD	[X1] = f0

	mov	pr = PR, -65474

	br.ret.sptk.many b0

	}

	;;

	.align 32

.L100:

	cmp.eq	p16, p0 = r0, r0

	mov.i	ar.ec = 6

	(p8) br.cond.dpnt .L170

	;;

	.align 32

.L160:

	{ .mmf

	(p21) STFD	[X1] = f6,  1 * SIZE

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

	(p21) FMS	f12  = ALPHA_R, f85,  f12

	}

	{ .mfb

	(p16) LDFD	f32  = [Y1], 1 * SIZE

	(p20) FMPY	f6   = ALPHA_I, f42

	}

	;;

	{ .mmf

	(p21) STFD	[X1] = f43

	(p21) add X1 = INCX, X1

	(p21) FMA	f91  = ALPHA_I, f85,  f91

	}

	{ .mfb

	(p16) LDFD	f38  = [Y1], INCX

	(p20) FMPY	f42  = ALPHA_R, f42

	}

	;;

	{ .mmf

	(p21) STFD	[X1] = f7,  1 * SIZE

	(p21) FMS	f13  = ALPHA_R, f97,  f13

	}

	{ .mfb

	(p16) LDFD	f44  = [Y1], 1 * SIZE

	(p20) FMPY	f7   = ALPHA_I, f54

	}

	;;

	{ .mmf

	(p21) STFD	[X1] = f55

	(p21) add X1 = INCX, X1

	(p21) FMA	f103 = ALPHA_I, f97,  f103

	}

	{ .mfb

	(p16) LDFD	f50  = [Y1], INCX

	(p20) FMPY	f54  = ALPHA_R, f54

	}

	;;

	{ .mmf

	(p21) STFD	[X1] = f10, 1 * SIZE

	(p21) FMS	f14  = ALPHA_R, f109, f14

	}

	{ .mfb

	(p16) LDFD	f56  = [Y1], 1 * SIZE

	(p20) FMPY	f10  = ALPHA_I, f66

	}

	;;

	{ .mmf

	(p21) STFD	[X1] = f67

	(p21) add X1 = INCX, X1

	(p21) FMA	f115 = ALPHA_I, f109, f115

	}

	{ .mfb

	(p16) LDFD	f62  = [Y1], INCX

	(p20) FMPY	f66  = ALPHA_R, f66

	}

	;;

	{ .mmf

	(p21) STFD	[X1] = f11, 1 * SIZE

	(p21) FMS	f15  = ALPHA_R, f121, f15

	}

	{ .mfb

	(p16) LDFD	f68  = [Y1], 1 * SIZE

	(p20) FMPY	f11  = ALPHA_I, f78

	}

	;;

	{ .mmf

	(p21) STFD	[X1] = f79

	(p21) add X1 = INCX, X1

	(p21) FMA	f127 = ALPHA_I, f121, f127

	}

	{ .mfb

	(p16) LDFD	f74  = [Y1], INCX

	(p20) FMPY	f78  = ALPHA_R, f78

	}

	;;

	{ .mmf

	(p21) STFD	[X1] = f12, 1 * SIZE

	(p20) FMS	f6   = ALPHA_R, f36, f6

	}

	{ .mfb

	(p16) LDFD	f80  = [Y1], 1 * SIZE

	(p20) FMPY	f12  = ALPHA_I, f90

	}

	;;

	{ .mmf

	(p21) STFD	[X1] = f91

	(p21) add X1 = INCX, X1

	(p20) FMA	f42  = ALPHA_I, f36, f42

	}

	{ .mfb

	(p16) LDFD	f86  = [Y1], INCX

	(p20) FMPY	f90  = ALPHA_R, f90

	}

	;;

	{ .mmf

	(p21) STFD	[X1] = f13, 1 * SIZE

	(p20) FMS	f7   = ALPHA_R, f48, f7

	}

	{ .mfb

	(p16) LDFD	f92  = [Y1], 1 * SIZE

	(p20) FMPY	f13  = ALPHA_I, f102

	}

	;;

	{ .mmf

	(p21) STFD	[X1] = f103

	(p21) add X1 = INCX, X1

	(p20) FMA	f54  = ALPHA_I, f48, f54

	}

	{ .mfb

	(p16) LDFD	f98  = [Y1], INCX

	(p20) FMPY	f102 = ALPHA_R, f102

	}

	;;

	{ .mmf

	(p21) STFD	[X1] = f14, 1 * SIZE

	(p20) FMS	f10  = ALPHA_R, f60, f10

	}

	{ .mfb

	(p16) LDFD	f104 = [Y1], 1 * SIZE

	(p20) FMPY	f14  = ALPHA_I, f114

	}

	;;

	{ .mmf

	(p21) STFD	[X1] = f115

	(p21) add X1 = INCX, X1

	(p20) FMA	f66  = ALPHA_I, f60, f66

	}

	{ .mfb

	(p16) LDFD	f110 = [Y1], INCX

	(p20) FMPY	f114 = ALPHA_R, f114

	}

	;;

	{ .mmf

	(p21) STFD	[X1] = f15, 1 * SIZE

	(p20) FMS	f11  = ALPHA_R, f72, f11

	}

	{ .mfb

	(p16) LDFD	f116 = [Y1], 1 * SIZE

	(p20) FMPY	f15  = ALPHA_I, f126

	}

	;;

	{ .mmf

	(p21) STFD	[X1] = f127

	(p21) add X1 = INCX, X1

	(p20) FMA	f78  = ALPHA_I, f72, f78

	}

	{ .mfb

	(p16) LDFD	f122 = [Y1], INCX

	(p20) FMPY	f126 = ALPHA_R, f126

	br.ctop.sptk.few .L160

	}

	;;

	.align 16

.L170:

	{ .mmi

	(p13) LDFD	f48 = [Y1], 1 * SIZE

	mov	ar.lc = ARLC

	}

	;;

	{ .mib

	(p13) LDFD	f49 = [Y1], INCX

	mov	pr = PR, -65474

	(p9) br.ret.sptk.many b0

	}

	;;

	(p13) LDFD	f50 = [Y1], 1 * SIZE

	tbit.z	p0, p14 = N, 1

	;;

	(p13) LDFD	f51 = [Y1], INCX

	tbit.z	p0, p15 = N, 0

	;;

	(p13) LDFD	f52 = [Y1], 1 * SIZE

	;;

	(p13) LDFD	f53 = [Y1], INCX

	;;

	(p13) LDFD	f54 = [Y1], 1 * SIZE

	(p13) FMPY	f112 = ALPHA_I, f48

	;;

	(p13) LDFD	f55 = [Y1], INCX

	(p13) FMPY	f111 = ALPHA_I, f49

	;;

	(p14) LDFD	f56 = [Y1], 1 * SIZE

	(p13) FMPY	f114 = ALPHA_I, f50

	;;

	(p14) LDFD	f57 = [Y1], INCX

	(p13) FMPY	f113 = ALPHA_I, f51

	;;

	(p14) LDFD	f58 = [Y1], 1 * SIZE

	(p13) FMPY	f116 = ALPHA_I, f52

	;;

	(p14) LDFD	f59 = [Y1], INCX

	(p13) FMPY	f115 = ALPHA_I, f53

	;;

	(p15) LDFD	f60 = [Y1], 1 * SIZE

	(p13) FMPY	f118 = ALPHA_I, f54

	;;

	(p15) LDFD	f61 = [Y1], INCX

	(p13) FMPY	f117 = ALPHA_I, f55

	;;

	(p14) FMPY	f120 = ALPHA_I, f56

	(p14) FMPY	f119 = ALPHA_I, f57

	(p14) FMPY	f122 = ALPHA_I, f58

	(p14) FMPY	f121 = ALPHA_I, f59

	(p15) FMPY	f124 = ALPHA_I, f60

	(p15) FMPY	f123 = ALPHA_I, f61

	;;

	(p13) FMS	f48  = ALPHA_R, f48, f111

	(p13) FMA	f49  = ALPHA_R, f49, f112

	(p13) FMS	f50  = ALPHA_R, f50, f113

	(p13) FMA	f51  = ALPHA_R, f51, f114

	;;

	(p13) STFD	[X1] = f48, 1 * SIZE

	(p13) FMS	f52  = ALPHA_R, f52, f115

	;;

	(p13) STFD	[X1] = f49

	(p13) add X1 = INCX, X1

	(p13) FMA	f53  = ALPHA_R, f53, f116

	;;

	(p13) STFD	[X1] = f50, 1 * SIZE

	(p13) FMS	f54  = ALPHA_R, f54, f117

	;;

	(p13) STFD	[X1] = f51

	(p13) add X1 = INCX, X1

	(p13) FMA	f55  = ALPHA_R, f55, f118

	;;

	(p13) STFD	[X1] = f52, 1 * SIZE

	(p14) FMS	f56  = ALPHA_R, f56, f119

	;;

	(p13) STFD	[X1] = f53

	(p13) add X1 = INCX, X1

	(p14) FMA	f57  = ALPHA_R, f57, f120

	;;

	(p13) STFD	[X1] = f54, 1 * SIZE

	(p14) FMS	f58  = ALPHA_R, f58, f121

	;;

	(p13) STFD	[X1] = f55

	(p13) add X1 = INCX, X1

	(p14) FMA	f59  = ALPHA_R, f59, f122

	;;

	(p14) STFD	[X1] = f56, 1 * SIZE

	(p15) FMS	f60  = ALPHA_R, f60, f123

	;;

	(p14) STFD	[X1] = f57

	(p14) add X1 = INCX, X1

	(p15) FMA	f61  = ALPHA_R, f61, f124

	;;

	(p14) STFD	[X1] = f58, 1 * SIZE

	;;

	(p14) STFD	[X1] = f59

	(p14) add X1 = INCX, X1

	;;

	(p15) STFD	[X1] = f60, 1 * SIZE

	;;

	(p15) STFD	[X1] = f61

	mov	pr = PR, -65474

	br.ret.sptk.many b0

	EPILOGUE