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

/* 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 6 * 8

	PROLOGUE

	PROFCODE

	.frame	$sp, STACKSIZE, $26, 0

#ifdef F_INTERFACE

	ldl	N,     0(N)		# n

	ldl	INCX,  0(INCX)		# incx

#endif

	lda	$sp, -STACKSIZE($sp)

	mov	X, XX

	.align 4

	stt	$f2,   0($sp)

	fclr	$f16

	cmplt	$31, N,    $2

	unop

	stt	$f3,   8($sp)

	fclr	$f17

	cmplt	$31, INCX, $3

	unop

	stt	$f4,  16($sp)

	fclr	$f18

	SXADDQ	INCX, $31, INCX

	unop

	stt	$f5,  24($sp)

	fclr	$f19

	and	$2,  $3,  $2

	clr	$0

	stt	$f6,  32($sp)

	fclr	$f0

	sra	N, 3, $1

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

	.align 4

	LD	$f20,  0 * SIZE(X)

	unop

	fabs	$f20, $f0

	ble	$1,  $L15

	.align 4

	fabs	$f20, $f1

	unop

	addq	X, INCX, X

	unop

	LD	$f21,  0 * SIZE(X)

	fabs	$f20, $f2

	addq	X, INCX, X

	unop

	LD	$f22,  0 * SIZE(X)

	fabs	$f20, $f3

	addq	X, INCX, X

	unop

	LD	$f23,  0 * SIZE(X)

	fabs	$f20, $f4

	addq	X, INCX, X

	unop

	LD	$f24,  0 * SIZE(X)

	addq	X, INCX, X

	fabs	$f20, $f5

	unop

	LD	$f25,  0 * SIZE(X)

	fabs	$f20, $f6

	addq	X, INCX, X

	unop

	LD	$f26,  0 * SIZE(X)

	fabs	$f20, $f28

	addq	X, INCX, X

	lda	$1,  -1($1)

	LD	$f27,  0 * SIZE(X)

	unop

	addq	X, INCX, X

	ble	$1, $L13

	.align 4

$L12:

	fcmovne	$f16, $f12, $f4

	unop

	fabs	$f20, $f29

	ldl	$31, 56 * SIZE(X)

	fcmovne	$f17, $f13, $f5

	LD	$f20,  0 * SIZE(X)

	fabs	$f21, $f30

	addq	X, INCX, X

	fcmovne	$f18, $f14, $f6

	LD	$f21,  0 * SIZE(X)

	fabs	$f22, $f10

	addq	X, INCX, X

	fcmovne	$f19, $f15, $f28

	LD	$f22,  0 * SIZE(X)

	fabs	$f23, $f11

	addq	X, INCX, X

	fabs	$f24, $f12

	LD	$f23,  0 * SIZE(X)

	CMPLT($f0,  $f29),  $f16

	addq	X, INCX, X

	fabs	$f25, $f13

	LD	$f24,  0 * SIZE(X)

	CMPLT($f1,  $f30),  $f17

	addq	X, INCX, X

	fabs	$f26, $f14

	LD	$f25,  0 * SIZE(X)

	CMPLT($f2,  $f10), $f18

	addq	X, INCX, X

	fabs	$f27, $f15

	LD	$f26,  0 * SIZE(X)

	CMPLT($f3,  $f11), $f19

	addq	X, INCX, X

	fcmovne	$f16, $f29,  $f0

	LD	$f27,  0 * SIZE(X)

	CMPLT($f4,  $f12), $f16

	addq	X, INCX, X

	fcmovne	$f17, $f30,  $f1

	unop

	CMPLT($f5,  $f13), $f17

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

	fcmovne	$f18, $f10, $f2

	unop

	CMPLT($f6,  $f14), $f18

	unop

	fcmovne	$f19, $f11, $f3

	unop

	CMPLT($f28,  $f15), $f19

	bgt	$1,$L12

	.align 4

$L13:

	fcmovne	$f16, $f12, $f4

	fabs	$f20, $f29

	fcmovne	$f17, $f13, $f5

	fabs	$f21, $f30

	fcmovne	$f18, $f14, $f6

	fabs	$f22, $f10

	fcmovne	$f19, $f15, $f28

	fabs	$f23, $f11

	fabs	$f24, $f12

	CMPLT($f0,  $f29),  $f16

	fabs	$f25, $f13

	CMPLT($f1,  $f30),  $f17

	fabs	$f26, $f14

	CMPLT($f2,  $f10), $f18

	fabs	$f27, $f15

	CMPLT($f3,  $f11), $f19

	fcmovne	$f16, $f29,  $f0

	CMPLT($f4,  $f12), $f16

	fcmovne	$f17, $f30,  $f1

	CMPLT($f5,  $f13), $f17

	fcmovne	$f18, $f10, $f2

	CMPLT($f6,  $f14), $f18

	fcmovne	$f19, $f11, $f3

	CMPLT($f28,  $f15), $f19

	fcmovne	$f16, $f12, $f4

	CMPLT($f0,  $f1), $f16

	fcmovne	$f17, $f13, $f5

	CMPLT($f2,  $f3), $f17

	fcmovne	$f18, $f14, $f6

	CMPLT($f4,  $f5), $f18

	fcmovne	$f19, $f15, $f28

	CMPLT($f6,  $f28), $f19

	fcmovne	$f16, $f1, $f0

	fcmovne	$f17, $f3, $f2

	fcmovne	$f18, $f5, $f4

	fcmovne	$f19, $f28, $f6

	CMPLT($f0,  $f2), $f16

	CMPLT($f4,  $f6), $f17

	fcmovne	$f16, $f2, $f0

	fcmovne	$f17, $f6, $f4

	CMPLT($f0,  $f4), $f16

	fcmovne	$f16, $f4, $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

	fabs	$f20, $f29

	CMPLT($f0,  $f29), $f16

	fcmovne	$f16, $f29, $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

	fabs	$f10, $f18

	fabs	$f11, $f19

	fabs	$f12, $f20

	fabs	$f13, $f21

	lda	$1,  -1($1)

	ble	$1, $L23

	.align 4

$L22:

	LD	$f10,  0 * SIZE(XX)

	fabs	$f14, $f22

	addq	XX, INCX, XX

	cmpteq	$f0, $f18, $f2	

	LD	$f11,  0 * SIZE(XX)

	fabs	$f15, $f23

	addq	XX, INCX, XX

	cmpteq	$f0, $f19, $f3

	LD	$f12,  0 * SIZE(XX)

	fabs	$f16, $f24

	addq	XX, INCX, XX

	cmpteq	$f0, $f20, $f4

	LD	$f13,  0 * SIZE(XX)

	fabs	$f17, $f25

	addq	XX, INCX, XX

	cmpteq	$f0, $f21, $f5

	LD	$f14,  0 * SIZE(XX)

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

	cmpteq	$f0, $f22, $f26

	addq	XX, INCX, XX

	lda	$0,    1($0)

	fbne	$f2,  $End

	LD	$f15,  0 * SIZE(XX)

	cmpteq	$f0, $f23, $f27

	lda	$0,    1($0)

	fbne	$f3,  $End

	addq	XX, INCX, XX

	cmpteq	$f0, $f24, $f28

	lda	$0,    1($0)

	fbne	$f4,  $End

	LD	$f16,  0 * SIZE(XX)

	cmpteq	$f0, $f25, $f29

	lda	$0,    1($0)

	fbne	$f5,  $End

	addq	XX, INCX, XX

	lda	$0,    1($0)

	fabs	$f10, $f18

	fbne	$f26, $End

	LD	$f17,  0 * SIZE(XX)

	lda	$0,    1($0)

	fabs	$f11, $f19

	fbne	$f27, $End

	addq	XX, INCX, XX

	lda	$0,    1($0)

	fabs	$f12, $f20

	fbne	$f28, $End

	lda	$0,    1($0)

	fabs	$f13, $f21

	fbne	$f29, $End

	bgt	$1,  $L22

	.align 4

$L23:

	fabs	$f14, $f22

	cmpteq	$f0, $f18, $f2	

	fabs	$f15, $f23

	cmpteq	$f0, $f19, $f3

	fabs	$f16, $f24

	cmpteq	$f0, $f20, $f4

	fabs	$f17, $f25

	cmpteq	$f0, $f21, $f5

	cmpteq	$f0, $f22, $f26

	lda	$0,    1($0)

	unop

	fbne	$f2,  $End

	cmpteq	$f0, $f23, $f27

	lda	$0,    1($0)

	unop

	fbne	$f3,  $End

	cmpteq	$f0, $f24, $f28

	lda	$0,    1($0)

	unop

	fbne	$f4,  $End

	cmpteq	$f0, $f25, $f29

	lda	$0,    1($0)

	unop

	fbne	$f5,  $End

	lda	$0,    1($0)

	fbne	$f26, $End

	lda	$0,    1($0)

	fbne	$f27, $End

	lda	$0,    1($0)

	fbne	$f28, $End

	lda	$0,    1($0)

	fbne	$f29, $End

	.align 4

$L40:

	LD	$f20,  0 * SIZE(XX)

	addq	XX, INCX, XX

	fabs	$f20, $f25

	cmpteq	$f0, $f25, $f29

	lda	$0,    1($0)

	fbne	$f29,  $End

	br	$31, $L40

	.align 4

$End:

	ldt	$f2,   0($sp)

	ldt	$f3,   8($sp)

	ldt	$f4,  16($sp)

	ldt	$f5,  24($sp)

	ldt	$f6,  32($sp)

	lda	$sp,  STACKSIZE($sp)

	ret

	EPILOGUE