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

/* 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 DOUBLE

#define PREFETCH_SIZE (13 * 16)

#else

#define PREFETCH_SIZE ( 9 * 32)

#endif

#if defined(F_INTERFACE) && defined(RETURN_BY_STACK)

#define N	r33

#define X1	r34

#define INCX	r35

#define Y1	r36

#define INCY	r37

#else

#define N	r32

#define X1	r33

#define INCX	r34

#define Y1	r35

#define INCY	r36

#endif

#define PRE1	r2

#define PRE2	r3

#define I	r14

#define J	r15

#define Y2	r16

#define X2	r17

#define INCXM1	r18

#define INCYM1	r19

#define INCX16	r20

#define INCY16	r21

#define INCX3M1	r22

#define INCY3M1	r23

#define XX	r24

#define YY	r25

#define PR	r30

#define ARLC	r31

#define ALPHA	f8

	PROLOGUE

	.prologue

	PROFCODE

	{ .mfi

	mov	f8  = f0

	.save ar.lc, ARLC

	mov	ARLC = ar.lc

	}

	{ .mfi

	mov	f9  = f0

	}

	;;

	.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

#endif

	{ .mmi

	shladd	INCX = INCX, ZBASE_SHIFT, r0

	shladd	INCY = INCY, ZBASE_SHIFT, r0

	mov	PR = pr

	}

	{ .mib

	cmp.lt	p0, p7 = r0, N

	mov	r26 = 1

	(p7) br.cond.spnt .L1000

	}

	;;

#ifdef F_INTERFACE

	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) add X1 = X1, r26

	(p7) add Y1 = Y1, r27

	;;

#endif

	{ .mfi

#ifdef DOUBLE

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

#else

	adds	PRE1 = (PREFETCH_SIZE + 8) * SIZE, X1

#endif

	mov	f10 = f0

	mov	pr.rot= 0

	}

	{ .mfi

	and	J =  7, N

	mov	f11 = f0

	shr	I =  N, 3

	}

	;;

	{ .mfi

#ifdef DOUBLE

	adds	PRE2 = (PREFETCH_SIZE +  6) * SIZE, Y1

#else

	adds	PRE2 = (PREFETCH_SIZE + 12) * SIZE, Y1

#endif

	mov	f12 = f0

	mov	ar.ec = 3

	}

	{ .mmf

	shladd	INCX16 = INCX, 3, r0

	shladd	INCY16 = INCY, 3, r0

	mov	f13 = f0

	}

	;;

	{ .mmf

	shladd	INCX3M1 = INCX, 1, INCX

	shladd	INCY3M1 = INCY, 1, INCY

	mov	f14 = f0

	}

	{ .mmf

	adds	INCXM1	= -SIZE, INCX

	adds	INCYM1	= -SIZE, INCY

	mov	f15 = f0

	}

	;;

	{ .mmi

	adds	INCX3M1 = -SIZE, INCX3M1

	adds	INCY3M1 = -SIZE, INCY3M1

	tbit.z	p0, p12 = N, 2

	}

	{ .mmi

	cmp.eq	p8 ,p0  =   r0, I

	cmp.eq	p16, p0 = r0, r0

	adds	I = -1, I

	}

	;;

	{ .mmi

	shladd	X2 = INCX, 1, X1

	shladd	Y2 = INCY, 1, Y1

	mov	ar.lc = I

	}

	{ .mmb

	mov	XX = X1

	mov	YY = Y1

	(p8) br.cond.dpnt  .L55

	}

	;;

	.align 32

.L52:

	{ .mmf

	(p16) lfetch.nt1	[PRE1], INCX16

	(p16) LDFD	f32  = [X1], SIZE

	(p18) FMA	f8  = f34, f82,  f8

	}

	{ .mmf

	(p16) LDFD	f44  = [X2], SIZE

	nop.m 0

	(p18) FMA	f9  = f34, f85,  f9

	}

	;;

	{ .mmf

	(p16) LDFD	f80  = [Y1], SIZE

	(p16) LDFD	f92  = [Y2], SIZE

	(p18) FMA	f10 = f37, f82,  f10

	}

	{ .mmf

	nop.m 0

	nop.m 0

	(p18) FMA	f11 = f37, f85,  f11

	}

	;;

	{ .mmf

	(p16) lfetch.nt1	[PRE2], INCY16

	(p16) LDFD	f35  = [X1], INCXM1

	(p18) FMA	f12 = f40, f88,  f12

	}

	{ .mmf

	(p16) LDFD	f47  = [X2], INCXM1

	nop.m 0

	(p18) FMA	f13 = f40, f91,  f13

	}

	;;

	{ .mmf

	(p16) LDFD	f83  = [Y1], INCYM1

	(p16) LDFD	f95  = [Y2], INCYM1

	(p18) FMA	f14 = f43, f88,  f14

	}

	{ .mmf

	nop.m 0

	nop.m 0

	(p18) FMA	f15 = f43, f91,  f15

	}

	;;

	{ .mmf

	(p16) LDFD	f38  = [X1], SIZE

	(p16) LDFD	f50  = [X2], SIZE

	(p18) FMA	f8  = f46, f94,  f8

	}

	{ .mmf

	nop.m 0

	nop.m 0

	(p18) FMA	f9  = f46, f97,  f9

	}

	;;

	{ .mmf

	(p16) LDFD	f86  = [Y1], SIZE

	(p16) LDFD	f98  = [Y2], SIZE

	(p18) FMA	f10  = f49, f94,  f10

	}

	{ .mmf

	nop.m 0

	nop.m 0

	(p18) FMA	f11  = f49, f97,  f11

	}

	;;

	{ .mmf

	(p16) LDFD	f41  = [X1], INCX3M1

	(p16) LDFD	f53  = [X2], INCX3M1

	(p18) FMA	f12  = f52, f100, f12

	}

	{ .mmf

	nop.m 0

	nop.m 0

	(p18) FMA	f13  = f52, f103, f13

	}

	;;

	{ .mmf

	(p16) LDFD	f89  = [Y1], INCY3M1

	(p16) LDFD	f101 = [Y2], INCY3M1

	(p18) FMA	f14  = f55, f100, f14

	}

	{ .mmf

	nop.m 0

	nop.m 0

	(p18) FMA	f15  = f55, f103, f15

	}

	;;

	{ .mmf

	(p16) LDFD	f56  = [X1], SIZE

	(p16) LDFD	f68  = [X2], SIZE

	(p18) FMA	f8   = f58, f106, f8

	}

	{ .mmf

	nop.m 0

	nop.m 0

	(p18) FMA	f9   = f58, f109, f9

	}

	;;

	{ .mmf

	(p16) LDFD	f104 = [Y1], SIZE

	(p16) LDFD	f116 = [Y2], SIZE

	(p18) FMA	f10  = f61, f106, f10

	}

	{ .mmf

	nop.m 0

	nop.m 0

	(p18) FMA	f11  = f61, f109, f11

	}

	;;

	{ .mmf

	(p16) LDFD	f59  = [X1], INCXM1

	(p16) LDFD	f71  = [X2], INCXM1

	(p18) FMA	f12  = f64, f112, f12

	}

	{ .mmf

	nop.m 0

	nop.m 0

	(p18) FMA	f13  = f64, f115, f13

	}

	;;

	{ .mmf

	(p16) LDFD	f107 = [Y1], INCYM1

	(p16) LDFD	f119 = [Y2], INCYM1

	(p18) FMA	f14  = f67, f112, f14

	}

	{ .mmf

	nop.m 0

	nop.m 0

	(p18) FMA	f15  = f67, f115, f15

	}

	;;

	{ .mmf

	(p16) LDFD	f62  = [X1], SIZE

	(p16) LDFD	f74  = [X2], SIZE

	(p18) FMA	f8   = f70, f118, f8

	}

	{ .mmf

	nop.m 0

	nop.m 0

	(p18) FMA	f9   = f70, f121,  f9

	}

	;;

	{ .mmf

	(p16) LDFD	f110 = [Y1], SIZE

	(p16) LDFD	f122 = [Y2], SIZE

	(p18) FMA	f10  = f73, f118, f10

	}

	{ .mmf

	nop.m 0

	nop.m 0

	(p18) FMA	f11  = f73, f121, f11

	}

	;;

	{ .mmf

	(p16) LDFD	f65  = [X1], INCX3M1

	(p16) LDFD	f77  = [X2], INCX3M1

	(p18) FMA	f12  = f76, f124, f12

	}

	{ .mmf

	(p16) add	XX = INCX16, XX

	(p16) add	YY = INCY16, YY

	(p18) FMA	f13  = f76, f127, f13

	}

	;;

	{ .mmf

	(p16) LDFD	f113 = [Y1], INCY3M1

	(p16) LDFD	f125 = [Y2], INCY3M1

	(p18) FMA	f14 = f79, f124, f14

	}

	{ .mfb

	nop.m 0

	(p18) FMA	f15 = f79, f127, f15

	br.ctop.sptk.few .L52

	}

	;;

	.align 32

.L55:

	(p12) LDFD	f32  = [X1], SIZE

	(p12) LDFD	f40  = [X2], SIZE

	tbit.z	p0, p13 = N, 1

	(p12) LDFD	f34  = [Y1], SIZE

	(p12) LDFD	f42  = [Y2], SIZE

	tbit.z	p0, p14 = N, 0

	;;

	(p12) LDFD	f33  = [X1], INCXM1

	(p12) LDFD	f41  = [X2], INCXM1

	cmp.eq	p9, p0  =   r0, J

	(p12) LDFD	f35  = [Y1], INCYM1

	(p12) LDFD	f43  = [Y2], INCYM1

	(p9) br.cond.dptk .L999

	;;

	(p12) LDFD	f36  = [X1], SIZE

	(p12) LDFD	f44  = [X2], SIZE

	(p12) shladd XX = INCX, 2, XX

	(p12) LDFD	f38  = [Y1], SIZE

	(p12) LDFD	f46  = [Y2], SIZE

	(p12) shladd YY = INCY, 2, YY

	;;

	(p12) LDFD	f37  = [X1], INCX3M1

	(p12) LDFD	f45  = [X2], INCX3M1

	(p13) shladd XX = INCX, 1, XX

	(p12) LDFD	f39  = [Y1], INCY3M1

	(p12) LDFD	f47  = [Y2], INCY3M1

	(p13) shladd YY = INCY, 1, YY

	;;

	(p13) LDFD	f48  = [X1], SIZE

	(p13) LDFD	f50  = [Y1], SIZE

	(p14) LDFD	f56  = [XX], SIZE

	(p14) LDFD	f58  = [YY], SIZE

	;;

	(p13) LDFD	f49  = [X1], INCXM1

	(p13) LDFD	f51  = [Y1], INCYM1

	(p14) LDFD	f57  = [XX]

	(p14) LDFD	f59  = [YY]

	;;

	(p13) LDFD	f52  = [X1], SIZE

	(p13) LDFD	f54  = [Y1], SIZE

	;;

	(p13) LDFD	f53  = [X1]

	(p13) LDFD	f55  = [Y1]

	;;

	(p12) FMA	f8  = f32, f34, f8

	(p12) FMA	f9  = f32, f35, f9

	(p12) FMA	f10 = f33, f34, f10

	(p12) FMA	f11 = f33, f35, f11

	(p12) FMA	f12 = f36, f38, f12

	(p12) FMA	f13 = f36, f39, f13

	(p12) FMA	f14 = f37, f38, f14

	(p12) FMA	f15 = f37, f39, f15

	;;

	(p12) FMA	f8  = f40, f42, f8

	(p12) FMA	f9  = f40, f43, f9

	(p12) FMA	f10 = f41, f42, f10

	(p12) FMA	f11 = f41, f43, f11

	(p12) FMA	f12 = f44, f46, f12

	(p12) FMA	f13 = f44, f47, f13

	(p12) FMA	f14 = f45, f46, f14

	(p12) FMA	f15 = f45, f47, f15

	;;		      

	(p13) FMA	f8  = f48, f50, f8

	(p13) FMA	f9  = f48, f51, f9

	(p13) FMA	f10 = f49, f50, f10

	(p13) FMA	f11 = f49, f51, f11

	(p13) FMA	f12 = f52, f54, f12

	(p13) FMA	f13 = f52, f55, f13

	(p13) FMA	f14 = f53, f54, f14

	(p13) FMA	f15 = f53, f55, f15

	;;		      

	(p14) FMA	f8  = f56, f58, f8

	(p14) FMA	f9  = f56, f59, f9

	(p14) FMA	f10 = f57, f58, f10

	(p14) FMA	f11 = f57, f59, f11

	.align 32

	;;

.L999:

	FADD	f8  = f8,  f12

	FADD	f9  = f9,  f13

	FADD	f10 = f10, f14

	FADD	f11 = f11, f15

	mov	ar.lc = ARLC

	;;

#ifndef CONJ

	FSUB	f8 = f8, f11

	FADD	f9 = f9, f10

#else

	FADD	f8 = f8, f11

	FSUB	f9 = f9, f10

#endif

	;;

	.align 32

.L1000:

#if defined(F_INTERFACE) && defined(RETURN_BY_STACK)

	STFD	[r32] = f8, SIZE

	;;

	STFD	[r32] = f9, SIZE

#endif

	mov	pr = PR, -65474

	br.ret.sptk.many b0

	EPILOGUE