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

/* 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"

#include "version.h"

#define N	$16

#define X	$17

#define INCX	$18

#define XX	$19

#ifndef USE_MIN

#define CMPLT(a, b) cmptlt a, b

#else

#define CMPLT(a, b) cmptlt b, a

#endif

#define STACKSIZE 8 * 8

	PROLOGUE

	PROFCODE

	clr	$0

	mov	X, XX

	.align 4

	cmplt	$31, N,    $2

	cmplt	$31, INCX, $3

	SXADDQ	INCX, $31, INCX

	and	$2,  $3,  $2

	sra	N, 3, $1

	fclr	$f0

	unop

	beq	$2,  $End		# if (n <= 0) or (incx <= 0) return

	.align 4

	LD	$f0,  0 * SIZE(X)

	unop

	unop

	ble	$1,  $L15

	.align 4

	fmov	$f0,  $f1

	addq	X, INCX, X

	fmov	$f0,  $f10

	lda	$1,  -1($1)

	LD	$f21,  0 * SIZE(X)

	fmov	$f0,  $f11

	addq	X, INCX, X

	fmov	$f0,  $f12

	LD	$f22,  0 * SIZE(X)

	fmov	$f0,  $f13

	addq	X, INCX, X

	fmov	$f0,  $f14

	LD	$f23,  0 * SIZE(X)

	fmov	$f0,  $f15

	addq	X, INCX, X

	fmov	$f0,  $f20

	LD	$f24,  0 * SIZE(X)

	addq	X, INCX, X

	LD	$f25,  0 * SIZE(X)

	addq	X, INCX, X

	LD	$f26,  0 * SIZE(X)

	addq	X, INCX, X

	LD	$f27,  0 * SIZE(X)

	addq	X, INCX, X

	CMPLT($f0,  $f20), $f16

	CMPLT($f1,  $f21), $f17

	CMPLT($f10, $f22), $f18

	CMPLT($f11, $f23), $f19

	ble	$1, $L13

	.align 4

$L12:

	fcmovne	$f16, $f20, $f0

	LD	$f20,  0 * SIZE(X)

	CMPLT($f12,  $f24), $f16

	addq	X, INCX, X

	fcmovne	$f17, $f21, $f1

	LD	$f21,  0 * SIZE(X)

	CMPLT($f13,  $f25), $f17

	addq	X, INCX, X

	fcmovne	$f18, $f22, $f10

	LD	$f22,  0 * SIZE(X)

	CMPLT($f14,  $f26), $f18

	addq	X, INCX, X

	fcmovne	$f19, $f23, $f11

	LD	$f23,  0 * SIZE(X)

	CMPLT($f15,  $f27), $f19

	addq	X, INCX, X

	fcmovne	$f16, $f24, $f12

	LD	$f24,  0 * SIZE(X)

	CMPLT($f0,  $f20), $f16

	addq	X, INCX, X

	fcmovne	$f17, $f25, $f13

	LD	$f25,  0 * SIZE(X)

	CMPLT($f1,  $f21), $f17

	addq	X, INCX, X

	fcmovne	$f18, $f26, $f14

	LD	$f26,  0 * SIZE(X)

	CMPLT($f10,  $f22), $f18

	addq	X, INCX, X

	fcmovne	$f19, $f27, $f15

	LD	$f27,  0 * SIZE(X)

	CMPLT($f11,  $f23), $f19

	lda	$1,   -1($1)		# i --

	addq	X, INCX, X

	unop

	unop

	bgt	$1,$L12

	.align 4

$L13:

	fcmovne	$f16, $f20, $f0

	CMPLT($f12,  $f24), $f16

	fcmovne	$f17, $f21, $f1

	CMPLT($f13,  $f25), $f17

	fcmovne	$f18, $f22, $f10

	CMPLT($f14,  $f26), $f18

	fcmovne	$f19, $f23, $f11

	CMPLT($f15,  $f27), $f19

	fcmovne	$f16, $f24, $f12

	CMPLT($f0,  $f1), $f16

	fcmovne	$f17, $f25, $f13

	CMPLT($f10,  $f11), $f17

	fcmovne	$f18, $f26, $f14

	CMPLT($f12,  $f13), $f18

	fcmovne	$f19, $f27, $f15

	CMPLT($f14,  $f15), $f19

	fcmovne	$f16, $f1, $f0

	fcmovne	$f17, $f11, $f10

	fcmovne	$f18, $f13, $f12

	fcmovne	$f19, $f15, $f14

	CMPLT($f0,  $f10), $f16

	CMPLT($f12,  $f14), $f17

	fcmovne	$f16, $f10, $f0

	fcmovne	$f17, $f14, $f12

	CMPLT($f0,  $f12), $f16

	fcmovne	$f16, $f12, $f0

	.align 4

$L15:

	and	N, 7, $1

	unop

	unop

	ble	$1,  $L20

	.align 4

$L16:

	LD	$f20,  0 * SIZE(X)

	addq	X, INCX, X

	CMPLT($f0,  $f20), $f16

	fcmovne	$f16, $f20, $f0

	lda	$1,   -1($1)		# i --

	bgt	$1, $L16

	.align 4

$L20:

	sra	N, 3, $1

	ble	$1,  $L40

	.align 4

	LD	$f10,  0 * SIZE(XX)

	addq	XX, INCX, XX

	LD	$f11,  0 * SIZE(XX)

	addq	XX, INCX, XX

	LD	$f12,  0 * SIZE(XX)

	addq	XX, INCX, XX

	LD	$f13,  0 * SIZE(XX)

	addq	XX, INCX, XX

	LD	$f14,  0 * SIZE(XX)

	addq	XX, INCX, XX

	LD	$f15,  0 * SIZE(XX)

	addq	XX, INCX, XX

	LD	$f16,  0 * SIZE(XX)

	addq	XX, INCX, XX

	LD	$f17,  0 * SIZE(XX)

	addq	XX, INCX, XX

	cmpteq	$f0, $f10, $f20

	cmpteq	$f0, $f11, $f21

	cmpteq	$f0, $f12, $f22

	cmpteq	$f0, $f13, $f23

	lda	$1,  -1($1)

	ble	$1, $L23

	.align 4

$L22:

	LD	$f10,  0 * SIZE(XX)

	cmpteq	$f0, $f14, $f24

	lda	$0,    1($0)

	addq	XX, INCX, XX

	fbne	$f20,  $End

	LD	$f11,  0 * SIZE(XX)

	cmpteq	$f0, $f15, $f25

	lda	$0,    1($0)

	addq	XX, INCX, XX

	fbne	$f21,  $End

	LD	$f12,  0 * SIZE(XX)

	cmpteq	$f0, $f16, $f26

	lda	$0,    1($0)

 	addq	XX, INCX, XX

	fbne	$f22,  $End

	LD	$f13,  0 * SIZE(XX)

	cmpteq	$f0, $f17, $f27

	lda	$0,    1($0)

	addq	XX, INCX, XX

	fbne	$f23,  $End

	LD	$f14,  0 * SIZE(XX)

	cmpteq	$f0, $f10, $f20

	lda	$0,    1($0)

	addq	XX, INCX, XX

	fbne	$f24, $End

	LD	$f15,  0 * SIZE(XX)

	cmpteq	$f0, $f11, $f21

	lda	$0,    1($0)

	addq	XX, INCX, XX

	fbne	$f25, $End

	LD	$f16,  0 * SIZE(XX)

	lda	$1,   -1($1)		# i --

	cmpteq	$f0, $f12, $f22

	lda	$0,    1($0)

	addq	XX, INCX, XX

	fbne	$f26, $End

	LD	$f17,  0 * SIZE(XX)

	cmpteq	$f0, $f13, $f23

	lda	$0,    1($0)

	addq	XX, INCX, XX

	fbne	$f27, $End

	bgt	$1,  $L22

	.align 4

$L23:

	lda	$0,    1($0)

	cmpteq	$f0, $f14, $f24

	unop

	fbne	$f20,  $End

	lda	$0,    1($0)

	cmpteq	$f0, $f15, $f25

	unop

	fbne	$f21,  $End

	lda	$0,    1($0)

	cmpteq	$f0, $f16, $f26

	unop

	fbne	$f22,  $End

	lda	$0,    1($0)

	cmpteq	$f0, $f17, $f27

	unop

	fbne	$f23,  $End

	lda	$0,    1($0)

	fbne	$f24, $End

	lda	$0,    1($0)

	fbne	$f25, $End

	lda	$0,    1($0)

	fbne	$f26, $End

	lda	$0,    1($0)

	fbne	$f27, $End

	.align 4

$L40:

	LD	$f20,  0 * SIZE(XX)

	addq	XX, INCX, XX

	cmpteq	$f0, $f20, $f29

	lda	$0,    1($0)

	fbne	$f29,  $End

	br	$31, $L40

	.align 4

$End:

	ret

	EPILOGUE