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

/* 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 PREFETCH_SIZE (8 * 24)

#define N	r32

#define X1	r33

#define INCX	r34

#define Y1	r35

#define INCY	r36

#define PREX1	r2

#define PREY1	r3

#define I	r14

#define J	r15

#define Y2	r16

#define X2	r17

#define Y3	r18

#define X3	r19

#define Y4	r20

#define X4	r21

#define INCX2	r22

#define INCY2	r23

#define INCX4	r24

#define INCY4	r25

#define INCX16	r26

#define INCY16	r27

#define PREX2	r28

#define PREY2	r29

#define PR	r30

#define ARLC	r31

	PROLOGUE

	.prologue

	PROFCODE

	{ .mfi

	nop	__LINE__

	mov	f8  = f0

	.save ar.lc, ARLC

	mov	ARLC = ar.lc

	}

	{ .mfi

	mov	r26 = 1

	mov	f9  = f0

	nop	__LINE__

	}

	;;

	.body

#ifdef F_INTERFACE

	LDINT	N    = [N]

	LDINT	INCX = [INCX]

	LDINT	INCY = [INCY]

	;;

#ifndef USE64BITINT

	sxt4	N    = N

	sxt4	INCX = INCX

	sxt4	INCY = INCY

	;;

#endif

	cmp.le	p0, p6 = r0, INCX

	cmp.le	p0, p7 = r0, INCY

	sub	r26 = r26, N

	;;

	setf.sig f32 = r26

	setf.sig f33 = INCX

	setf.sig f34 = INCY

	;;

	xmpy.l f33 = f32, f33

	xmpy.l f34 = f32, f34

	;;

	getf.sig r26 = f33

	getf.sig r27 = f34

	;;

	(p6) shladd X1 = r26, BASE_SHIFT, X1

	(p7) shladd Y1 = r27, BASE_SHIFT, Y1

	;;

#endif

	{ .mmi

	adds	PREX1 = (PREFETCH_SIZE + 2) * SIZE, X1

	adds	PREY1 = (PREFETCH_SIZE + 2) * SIZE, Y1

	mov	PR = pr

	}

	{ .mib

	cmp.lt	p0, p6 = r0, N

	shl	INCX = INCX, BASE_SHIFT

	(p6) br.ret.sptk.many b0

	}

	;;

	{ .mfi

	add	X2 = INCX, X1

	mov	f10 = f0

	shl	INCY = INCY, BASE_SHIFT

	}

	{ .mmf

	and	r8    =  127, X1

	shladd	X3 = INCX, 1, X1

	mov	f11 = f0

	}

	;;

	{ .mmi

	and	PREY1 = -128, PREY1

	shladd	X4 = INCX, 1, X2

	add	INCX2  = INCX, INCX

	}

	{ .mmi

	shladd	INCX4  = INCX, 2, r0

	add	Y2 = INCY, Y1

	shladd	Y3 = INCY, 1, Y1

	}

	;;

	{ .mmi

	shladd	Y4 = INCY, 1, Y2

	add	INCY2  = INCY, INCY

	nop	__LINE__

	}

	{ .mmi

	shladd	INCY4  = INCY, 2, r0

	shladd	INCX16 = INCX, 4, r0

	shladd	INCY16 = INCY, 4, r0

	}

	;;

	{ .mfi

	nop	__LINE__

	mov	f12 = f0

	mov	pr.rot= 0

	}

	{ .mfi

	or	PREY1 = PREY1, r8

	mov	f13 = f0

	shr	I =  N, 4

	}

	;;

	{ .mfi

	adds	I = -1, I

	mov	f14 = f0

	mov	ar.ec= 3

	}

	{ .mmf

	shladd	PREX2 = INCX, 3, PREX1

	shladd	PREY2 = INCY, 3, PREY1

	mov	f15 = f0

	}

	;;

	{ .mmi

	and	J =  15, N

	cmp.eq	p16, p0 = r0, r0

	mov	ar.lc = I

	}

	{ .mib

	cmp.eq	p6 ,p0  =   -1, I

	tbit.nz	p12, p0 = N, 3

	(p6) br.cond.dpnt  .L215

	}

	;;

	.align 32

.L212:

	{ .mmf

	(p16) lfetch.nt1 [PREX1], INCX16

	(p16) lfetch.nt1 [PREX2], INCX16

	(p18) FMA	f8  = f34, f82,  f8

	}

	{ .mmf

	(p16) LDFD	f80  = [X1], INCX4

	(p16) LDFD	f83  = [X2], INCX4

	(p18) FMA	f9  = f37, f85,  f9

	}

	;;

	{ .mmf

	(p16) LDFD	f86  = [X3], INCX4

	(p16) LDFD	f89  = [X4], INCX4

	(p18) FMA	f10 = f40, f88,  f10

	}

	{ .mmf

	(p16) LDFD	f92  = [X1], INCX4

	(p16) LDFD	f95  = [X2], INCX4

	(p18) FMA	f11 = f43, f91,  f11

	}

	;;

	{ .mmf

	(p16) LDFD	f32  = [Y1], INCY4

	(p16) LDFD	f35  = [Y2], INCY4

	(p18) FMA	f12 = f46, f94,  f12

	}

	{ .mmf

	(p16) LDFD	f38  = [Y3], INCY4

	(p16) LDFD	f41  = [Y4], INCY4

	(p18) FMA	f13 = f49, f97,  f13

	}

	;;

	{ .mmf

	(p16) LDFD	f98  = [X3], INCX4

	(p16) LDFD	f101 = [X4], INCX4

	(p18) FMA	f14 = f52, f100, f14

	}

	{ .mmf

	(p16) LDFD	f104 = [X1], INCX4

	(p16) LDFD	f107 = [X2], INCX4

	(p18) FMA	f15 = f55, f103, f15

	}

	;;

	{ .mmf

	(p16) LDFD	f44  = [Y1], INCY4

	(p16) LDFD	f47  = [Y2], INCY4

	(p18) FMA	f8  = f58, f106, f8

	}

	{ .mmf

	(p16) LDFD	f50  = [Y3], INCY4

	(p16) LDFD	f53  = [Y4], INCY4

	(p18) FMA	f9  = f61, f109, f9

	}

	;;

	{ .mmf

	(p16) lfetch.nt1 [PREY1], INCY16

	(p16) lfetch.nt1 [PREY2], INCY16

	(p18) FMA	f10 = f64, f112, f10

	}

	{ .mmf

	(p16) LDFD	f110 = [X3], INCX4

	(p16) LDFD	f113 = [X4], INCX4

	(p18) FMA	f11 = f67, f115, f11

	}

	;;

	{ .mmf

	(p16) LDFD	f56  = [Y1], INCY4

	(p16) LDFD	f59  = [Y2], INCY4

	(p18) FMA	f12 = f70, f118, f12

	}

	{ .mmf

	(p16) LDFD	f62  = [Y3], INCY4

	(p16) LDFD	f65  = [Y4], INCY4

	(p18) FMA	f13 = f73, f121, f13

	}

	;;

	{ .mmf

	(p16) LDFD	f116 = [X1], INCX4

	(p16) LDFD	f119 = [X2], INCX4

	(p18) FMA	f14 = f76, f124, f14

	}

	{ .mmf

	(p16) LDFD	f122 = [X3], INCX4

	(p16) LDFD	f125 = [X4], INCX4

	(p18) FMA	f15 = f79, f127, f15

	}

	;;

	{ .mmi

	(p16) LDFD	f68  = [Y1], INCY4

	(p16) LDFD	f71  = [Y2], INCY4

	nop   __LINE__

	}

	{ .mmb

	(p16) LDFD	f74  = [Y3], INCY4

	(p16) LDFD	f77  = [Y4], INCY4

	br.ctop.sptk.few .L212

	}

	;;

	.align 32

.L215:

	{ .mmi

	(p12) LDFD	f48  = [X1], INCX4

	(p12) LDFD	f49  = [X2], INCX4

	cmp.eq	p7, p0  =   r0, J

	}

	{ .mmb

	(p12) LDFD	f50  = [X3], INCX4

	(p12) LDFD	f51  = [X4], INCX4

	(p7) br.cond.dptk .L999

	}

	;;

	{ .mmi

	(p12) LDFD	f32  = [Y1], INCY4

	(p12) LDFD	f33  = [Y2], INCY4

	tbit.nz	p13, p0 = N, 2

	}

	{ .mmi

	(p12) LDFD	f34  = [Y3], INCY4

	(p12) LDFD	f35  = [Y4], INCY4

	nop   __LINE__

	}

	;;

	{ .mmi

	(p12) LDFD	f52  = [X1], INCX4

	(p12) LDFD	f53  = [X2], INCX4

	tbit.nz	p14, p0 = N, 1

	}

	{ .mmi

	(p12) LDFD	f54  = [X3], INCX4

	(p12) LDFD	f55  = [X4], INCX4

	nop   __LINE__

	}

	;;

	{ .mmi

	(p12) LDFD	f36  = [Y1], INCY4

	(p12) LDFD	f37  = [Y2], INCY4

	tbit.nz	p15, p0 = N, 0

	}

	{ .mmi

	(p12) LDFD	f38  = [Y3], INCY4

	(p12) LDFD	f39  = [Y4], INCY4

	nop   __LINE__

	}

	;;

	{ .mmi

	(p13) LDFD	f56  = [X1], INCX4

	(p13) LDFD	f57  = [X2], INCX4

	nop   __LINE__

	}

	{ .mmi

	(p13) LDFD	f58  = [X3], INCX4

	(p13) LDFD	f59  = [X4], INCX4

	nop   __LINE__

	}

	;;

	{ .mmi

	(p13) LDFD	f40  = [Y1], INCY4

	(p13) LDFD	f41  = [Y2], INCY4

	nop   __LINE__

	}

	{ .mmi

	(p13) LDFD	f42  = [Y3], INCY4

	(p13) LDFD	f43  = [Y4], INCY4

	nop   __LINE__

	}

	;;

	{ .mmi

	(p14) LDFD	f60  = [X1], INCX2

	(p14) LDFD	f61  = [X2], INCX2

	nop   __LINE__

	}

	{ .mmi

	(p14) LDFD	f44  = [Y1], INCY2

	(p14) LDFD	f45  = [Y2], INCY2

	nop   __LINE__

	}

	;;

	{ .mmi

	(p15) LDFD	f62  = [X1]

	(p15) LDFD	f46  = [Y1]

	nop   __LINE__

	}

	;;

	(p12) FMA	f8  = f32, f48, f8

	(p12) FMA	f9  = f33, f49, f9

	(p12) FMA	f10 = f34, f50, f10

	(p12) FMA	f11 = f35, f51, f11

	;;

	(p12) FMA	f12 = f36, f52, f12

	(p12) FMA	f13 = f37, f53, f13

	(p12) FMA	f14 = f38, f54, f14

	(p12) FMA	f15 = f39, f55, f15

	;;

	(p13) FMA	f8  = f40, f56, f8

	(p13) FMA	f9  = f41, f57, f9

	(p13) FMA	f10 = f42, f58, f10

	(p13) FMA	f11 = f43, f59, f11

	;;

	(p14) FMA	f8  = f44, f60, f8

	(p14) FMA	f9  = f45, f61, f9

	(p15) FMA	f10 = f46, f62, f10

	;;

	.align 32

.L999:

	FADD	f8  = f8,  f9

	FADD	f10 = f10, f11

	FADD	f12 = f12, f13

	FADD	f14 = f14, f15

	;;

	FADD	f8  = f8,  f10

	FADD	f12 = f12, f14

	mov	ar.lc = ARLC

	;;

	FADD	f8  = f8,  f12

	mov	pr = PR, -65474

	br.ret.sptk.many b0

	EPILOGUE