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

/* 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 M	ARG1	/* rdi */

#define X	ARG2	/* rsi */

#define INCX	ARG3	/* rdx */

#define RET	%rax

#define I	ARG4

#define XX	%r10

#define	MM	%r11

#ifdef USE_MIN

#define maxps	minps

#define maxss	minss

#endif

#include "l1param.h"

	PROLOGUE

	PROFCODE

	SAVEREGISTERS

	pxor	%xmm0, %xmm0		/* Return Value(Float) */

	xor	RET, RET		/* Return Value(Int)   */

	testq	M, M

	jle	.L999

	leaq	(, INCX, SIZE), INCX

	testq	INCX, INCX

	jle	.L999

	movq	M, MM

	movq	X, XX

#ifdef USE_ABS

	pcmpeqb	%xmm15, %xmm15

	psrld	$1, %xmm15		/* Generate USE_ABS */

#endif

	movss	(X), %xmm0

	addq	INCX, X

	decq	M

	shufps	$0, %xmm0, %xmm0

#ifdef USE_ABS

	andps	%xmm15, %xmm0

#endif

	movaps	%xmm0, %xmm1

	movaps	%xmm0, %xmm2

	movaps	%xmm0, %xmm3		/* Generating "seed value" */

	cmpq	$SIZE, INCX

	jne	.L80			/* Incx != 1 goto L80 */

/* Analigned Check */

	testq	$3, X			/* 00000011 */

	jne	.L30			/* Purely Unaligned Mode */

	cmpq	$8, M

	jle	.L30			/* if M <= 8 goto Unaligned mode */

	testq	$4, X			/* bit test 000100 */

	je	.L05

	movss	0 * SIZE(X), %xmm4

#ifdef USE_ABS

	andps	%xmm15, %xmm4

#endif

	maxss	  %xmm4, %xmm0

	decq	M

	addq	$SIZE, X

	ALIGN_3

.L05:

	testq	$8, X

	je	.L06

	movsd	0 * SIZE(X), %xmm4

	unpcklps  %xmm4, %xmm4

#ifdef USE_ABS

	andps	%xmm15, %xmm4

#endif

	maxps	  %xmm4, %xmm1

	subq	$2, M

	addq	$2 * SIZE, X

	ALIGN_3

.L06:

	movq	M,  I

	sarq	$4, I

	jle	.L15

	ALIGN_4

.L11:

#ifdef PREFETCH

	PREFETCH (PREFETCHSIZE +  0) - PREOFFSET(X)

#endif

	movaps	 0 * SIZE(X), %xmm4

#ifdef USE_ABS

	andps	%xmm15, %xmm4

#endif

	maxps	%xmm4, %xmm0

	movaps	 4 * SIZE(X), %xmm5

#ifdef USE_ABS

	andps	%xmm15, %xmm5

#endif

	maxps	%xmm5, %xmm1

	movaps	 8 * SIZE(X), %xmm6

#ifdef USE_ABS

	andps	%xmm15, %xmm6

#endif

	maxps	%xmm6, %xmm2

	movaps	12 * SIZE(X), %xmm7

#ifdef USE_ABS

	andps	%xmm15, %xmm7

#endif

	maxps	%xmm7, %xmm3

	addq	$16 * SIZE, X

	decq	I

	jg	.L11

	ALIGN_4

.L15:

	andq	$15,  M

	jle	.L20

	testq	$8, M

	je	.L16

	movaps	0 * SIZE(X), %xmm4

#ifdef USE_ABS

	andps	%xmm15, %xmm4

#endif

	maxps	%xmm4, %xmm0

	movaps	4 * SIZE(X), %xmm5

#ifdef USE_ABS

	andps	%xmm15, %xmm5

#endif

	maxps	%xmm5, %xmm1

	addq	$8 * SIZE, X

	ALIGN_3

.L16:

	testq	$4, M

	je	.L17

	movaps	0 * SIZE(X), %xmm6

#ifdef USE_ABS

	andps	%xmm15, %xmm6

#endif

	maxps	%xmm6, %xmm2

	addq	$4 * SIZE, X

	ALIGN_3	

.L17:

	testq	$2, M

	je	.L18

	movsd	0 * SIZE(X), %xmm7

	unpcklps %xmm7, %xmm7

#ifdef USE_ABS

	andps	%xmm15, %xmm7

#endif

	maxps	%xmm7, %xmm3

	addq	$2 * SIZE, X

.L18:

	testq	$1, M

	je	.L20

	movss	0 * SIZE(X), %xmm4

#ifdef USE_ABS

	andps	%xmm15, %xmm4

#endif

	maxss	%xmm4, %xmm0

	ALIGN_3

.L20:

	movq	XX, X

	movq	MM, M

	maxps	%xmm1, %xmm0

	maxps	%xmm3, %xmm2

	maxps	%xmm2, %xmm0

	movaps	%xmm0, %xmm1

	movhlps %xmm0, %xmm0

	maxps	%xmm1, %xmm0

	movaps	%xmm0, %xmm1

	shufps	$1, %xmm0, %xmm0

	maxss	%xmm1, %xmm0

	shufps	$0, %xmm0, %xmm0

	testq	$4, X

	je	.L21

	movss	0 * SIZE(X), %xmm1

	decq	M

	addq	$SIZE, X

#ifdef USE_ABS

	andps	 %xmm15, %xmm1

#endif

	incq	RET

	comiss	%xmm0, %xmm1

	je	.L999

	ALIGN_3

.L21:

	testq	$8, X

	je	.L22

	movss	0 * SIZE(X), %xmm1

	movss	1 * SIZE(X), %xmm2

	subq	$2, M

	addq	$2 * SIZE, X

#ifdef USE_ABS

	andps	 %xmm15, %xmm1

	andps	 %xmm15, %xmm2

#endif

	incq	RET

	comiss	%xmm0, %xmm1

	je	.L999

	incq	RET

	comiss	%xmm0, %xmm2

	je	.L999

	ALIGN_3

.L22:

	movq	M,  I

	sarq	$3, I

	jle	.L25

	ALIGN_4

.L23:

#ifdef PREFETCH

	PREFETCH (PREFETCHSIZE +  0) - PREOFFSET(X)

#endif

	movaps	0 * SIZE(X), %xmm1

#ifdef USE_ABS

	andps	 %xmm15, %xmm1

#endif

	cmpeqps	%xmm0, %xmm1

	movaps	4 * SIZE(X), %xmm3

#ifdef USE_ABS

	andps	 %xmm15, %xmm3

#endif

	cmpeqps	%xmm0, %xmm3

	orps	%xmm3, %xmm1

#ifndef C_SUN

	movmskps %xmm1, %r11

#else

	.long	0xd9500f4c

#endif

	testq	 $15, %r11

	jne	 .L24

	addq	$8 * SIZE, X

	addq	$8, RET

	decq	I

	jg	.L23

	jmp	.L25

	ALIGN_3

.L24:

	movss	0 * SIZE(X), %xmm1

	movss	1 * SIZE(X), %xmm2

	movss	2 * SIZE(X), %xmm3

	movss	3 * SIZE(X), %xmm4

	movss	4 * SIZE(X), %xmm5

	movss	5 * SIZE(X), %xmm6

	movss	6 * SIZE(X), %xmm7

	movss	7 * SIZE(X), %xmm8

#ifdef USE_ABS

	andps	 %xmm15, %xmm1

	andps	 %xmm15, %xmm2

	andps	 %xmm15, %xmm3

	andps	 %xmm15, %xmm4

	andps	 %xmm15, %xmm5

	andps	 %xmm15, %xmm6

	andps	 %xmm15, %xmm7

	andps	 %xmm15, %xmm8

#endif

	addq	$8 * SIZE, X

	incq	RET

	comiss	%xmm0, %xmm1

	je	.L999

	incq	RET

	comiss	%xmm0, %xmm2

	je	.L999

	incq	RET

	comiss	%xmm0, %xmm3

	je	.L999

	incq	RET

	comiss	%xmm0, %xmm4

	je	.L999

	incq	RET

	comiss	%xmm0, %xmm5

	je	.L999

	incq	RET

	comiss	%xmm0, %xmm6

	je	.L999

	incq	RET

	comiss	%xmm0, %xmm7

	je	.L999

	incq	RET

	jmp	.L999

	ALIGN_4

.L25:

	testq	$4, M

	je	.L26

	movss	0 * SIZE(X), %xmm1

	movss	1 * SIZE(X), %xmm2

	movss	2 * SIZE(X), %xmm3

	movss	3 * SIZE(X), %xmm4

#ifdef USE_ABS

	andps	 %xmm15, %xmm1

	andps	 %xmm15, %xmm2

	andps	 %xmm15, %xmm3

	andps	 %xmm15, %xmm4

#endif

	addq	$4 * SIZE, X

	incq	RET

	comiss	%xmm0, %xmm1

	je	.L999

	incq	RET

	comiss	%xmm0, %xmm2

	je	.L999

	incq	RET

	comiss	%xmm0, %xmm3

	je	.L999

	incq	RET

	comiss	%xmm0, %xmm4

	je	.L999

	ALIGN_3	

.L26:

	testq	$2, M

	je	.L27

	movss	0 * SIZE(X), %xmm1

	movss	1 * SIZE(X), %xmm2

#ifdef USE_ABS

	andps	 %xmm15, %xmm1

	andps	 %xmm15, %xmm2

#endif

	addq	$2 * SIZE, X

	incq	RET

	comiss	%xmm0, %xmm1

	je	.L999

	incq	RET

	comiss	%xmm0, %xmm2

	je	.L999

	ALIGN_3

.L27:

	incq	RET

	jmp	.L999

	ALIGN_3

/* Unaligned Mode */

.L30:

	movq	M,  I

	sarq	$4, I

	jle	.L35

	ALIGN_4

.L31:

#ifdef PREFETCH

	PREFETCH (PREFETCHSIZE +  0) - PREOFFSET(X)

#endif

	movsd	 0 * SIZE(X), %xmm4

	movhps	 2 * SIZE(X), %xmm4

#ifdef USE_ABS

	andps	%xmm15, %xmm4

#endif

	maxps	%xmm4, %xmm0

	movsd	 4 * SIZE(X), %xmm5

	movhps	 6 * SIZE(X), %xmm5

#ifdef USE_ABS

	andps	%xmm15, %xmm5

#endif

	maxps	%xmm5, %xmm1

	movsd	 8 * SIZE(X), %xmm6

	movhps	10 * SIZE(X), %xmm6

#ifdef USE_ABS

	andps	%xmm15, %xmm6

#endif

	maxps	%xmm6, %xmm2

	movsd	12 * SIZE(X), %xmm7

	movhps	14 * SIZE(X), %xmm7

#ifdef USE_ABS

	andps	%xmm15, %xmm7

#endif

	maxps	%xmm7, %xmm3

	addq	$16 * SIZE, X

	decq	I

	jg	.L31

	ALIGN_4

.L35:

	andq	$15,  M

	jle	.L40

	testq	$8, M

	je	.L36

	movsd	0 * SIZE(X), %xmm4

	movhps	2 * SIZE(X), %xmm4

#ifdef USE_ABS

	andps	%xmm15, %xmm4

#endif

	maxps	%xmm4, %xmm0

	movsd	4 * SIZE(X), %xmm5

	movhps	6 * SIZE(X), %xmm5

#ifdef USE_ABS

	andps	%xmm15, %xmm5

#endif

	maxps	%xmm5, %xmm1

	addq	$8 * SIZE, X

	ALIGN_3

.L36:

	testq	$4, M

	je	.L37

	movsd	0 * SIZE(X), %xmm6

	movhps	2 * SIZE(X), %xmm6

#ifdef USE_ABS

	andps	%xmm15, %xmm6

#endif

	maxps	%xmm6, %xmm2

	addq	$4 * SIZE, X

	ALIGN_3	

.L37:

	testq	$2, M

	je	.L38

	movsd	0 * SIZE(X), %xmm7

	unpcklps %xmm7, %xmm7

#ifdef USE_ABS

	andps	%xmm15, %xmm7

#endif

	maxps	%xmm7, %xmm3

	addq	$2 * SIZE, X

.L38:

	testq	$1, M

	je	.L40

	movss	0 * SIZE(X), %xmm4

#ifdef USE_ABS

	andps	%xmm15, %xmm4

#endif

	maxss	%xmm4, %xmm0

	jmp	.L40

	ALIGN_4

.L40:

	movq	XX, X

	movq	MM, M

	maxps	%xmm1, %xmm0

	maxps	%xmm3, %xmm2

	maxps	%xmm2, %xmm0

	movaps	%xmm0, %xmm1

	movhlps %xmm0, %xmm0

	maxps	%xmm1, %xmm0

	movaps	%xmm0, %xmm1

	shufps	$1, %xmm0, %xmm0

	maxss	%xmm1, %xmm0

	shufps	$0, %xmm0, %xmm0

	movq	M,  I

	sarq	$3, I

	jle	.L45

	ALIGN_4

.L43:

#ifdef PREFETCH

	PREFETCH (PREFETCHSIZE +  0) - PREOFFSET(X)

#endif

	movsd	0 * SIZE(X), %xmm1

	movhps	2 * SIZE(X), %xmm1

#ifdef USE_ABS

	andps	 %xmm15, %xmm1

#endif

	cmpeqps	%xmm0, %xmm1

	movsd	4 * SIZE(X), %xmm3

	movhps	6 * SIZE(X), %xmm3

#ifdef USE_ABS

	andps	 %xmm15, %xmm3

#endif

	cmpeqps	%xmm0, %xmm3

	orps	%xmm3, %xmm1

#ifndef C_SUN

	movmskps %xmm1, %r11

#else

	.long	0xd9500f4c

#endif

	testq	 $15, %r11

	jne	 .L44

	addq	$8 * SIZE, X

	addq	$8, RET

	decq	I

	jg	.L43

	jmp	.L45

	ALIGN_3

.L44:

	movss	0 * SIZE(X), %xmm1

	movss	1 * SIZE(X), %xmm2

	movss	2 * SIZE(X), %xmm3

	movss	3 * SIZE(X), %xmm4

	movss	4 * SIZE(X), %xmm5

	movss	5 * SIZE(X), %xmm6

	movss	6 * SIZE(X), %xmm7

	movss	7 * SIZE(X), %xmm8

#ifdef USE_ABS

	andps	 %xmm15, %xmm1

	andps	 %xmm15, %xmm2

	andps	 %xmm15, %xmm3

	andps	 %xmm15, %xmm4

	andps	 %xmm15, %xmm5

	andps	 %xmm15, %xmm6

	andps	 %xmm15, %xmm7

	andps	 %xmm15, %xmm8

#endif

	addq	$8 * SIZE, X

	incq	RET

	comiss	%xmm0, %xmm1

	je	.L999

	incq	RET

	comiss	%xmm0, %xmm2

	je	.L999

	incq	RET

	comiss	%xmm0, %xmm3

	je	.L999

	incq	RET

	comiss	%xmm0, %xmm4

	je	.L999

	incq	RET

	comiss	%xmm0, %xmm5

	je	.L999

	incq	RET

	comiss	%xmm0, %xmm6

	je	.L999

	incq	RET

	comiss	%xmm0, %xmm7

	je	.L999

	incq	RET

	jmp	.L999

	ALIGN_4

.L45:

	testq	$4, M

	je	.L46

	movss	0 * SIZE(X), %xmm1

	movss	1 * SIZE(X), %xmm2

	movss	2 * SIZE(X), %xmm3

	movss	3 * SIZE(X), %xmm4

#ifdef USE_ABS

	andps	 %xmm15, %xmm1

	andps	 %xmm15, %xmm2

	andps	 %xmm15, %xmm3

	andps	 %xmm15, %xmm4

#endif

	addq	$4 * SIZE, X

	incq	RET

	comiss	%xmm0, %xmm1

	je	.L999

	incq	RET

	comiss	%xmm0, %xmm2

	je	.L999

	incq	RET

	comiss	%xmm0, %xmm3

	je	.L999

	incq	RET

	comiss	%xmm0, %xmm4

	je	.L999

	ALIGN_3	

.L46:

	testq	$2, M

	je	.L47

	movss	0 * SIZE(X), %xmm1

	movss	1 * SIZE(X), %xmm2

#ifdef USE_ABS

	andps	 %xmm15, %xmm1

	andps	 %xmm15, %xmm2

#endif

	addq	$2 * SIZE, X

	incq	RET

	comiss	%xmm0, %xmm1

	je	.L999

	incq	RET

	comiss	%xmm0, %xmm2

	je	.L999

	ALIGN_3

.L47:

	incq	RET

	jmp	.L999

	ALIGN_3

.L80:

	movq	M,  I

	sarq	$3, I

	jle	.L85

	ALIGN_4

.L81:

#ifdef PREFETCH

	PREFETCH (PREFETCHSIZE +  0) - PREOFFSET(X)

#endif

	movss	0 * SIZE(X), %xmm4

	addq	INCX, X

#ifdef USE_ABS

	andps	%xmm15, %xmm4

#endif

	maxss	%xmm4, %xmm0

	movss	0 * SIZE(X), %xmm5

	addq	INCX, X

#ifdef USE_ABS

	andps	%xmm15, %xmm5

#endif

	maxss	%xmm5, %xmm1

	movss	0 * SIZE(X), %xmm6

	addq	INCX, X

#ifdef USE_ABS

	andps	%xmm15, %xmm6

#endif

	maxss	%xmm6, %xmm2

	movss	0 * SIZE(X), %xmm7

	addq	INCX, X

#ifdef USE_ABS

	andps	%xmm15, %xmm7

#endif

	maxss	%xmm7, %xmm3

	movss	0 * SIZE(X), %xmm4

	addq	INCX, X

#ifdef USE_ABS

	andps	%xmm15, %xmm4

#endif

	maxss	%xmm4, %xmm0

	movss	0 * SIZE(X), %xmm5

	addq	INCX, X

#ifdef USE_ABS

	andps	%xmm15, %xmm5

#endif

	maxss	%xmm5, %xmm1

	movss	0 * SIZE(X), %xmm6

	addq	INCX, X

#ifdef USE_ABS

	andps	%xmm15, %xmm6

#endif

	maxss	%xmm6, %xmm2

	movss	0 * SIZE(X), %xmm7

	addq	INCX, X

#ifdef USE_ABS

	andps	%xmm15, %xmm7

#endif

	maxss	%xmm7, %xmm3

	decq	I

	jg	.L81

	ALIGN_4

.L85:

	andq	$7,  M

	jle	.L90

	testq	$4, M

	je	.L86

	movss	0 * SIZE(X), %xmm4

	addq	INCX, X

#ifdef USE_ABS

	andps	%xmm15, %xmm4

#endif

	maxss	%xmm4, %xmm0

	movss	0 * SIZE(X), %xmm5

	addq	INCX, X

#ifdef USE_ABS

	andps	%xmm15, %xmm5

#endif

	maxss	%xmm5, %xmm1

	movss	0 * SIZE(X), %xmm6

	addq	INCX, X

#ifdef USE_ABS

	andps	%xmm15, %xmm6

#endif

	maxss	%xmm6, %xmm2

	movss	0 * SIZE(X), %xmm7

	addq	INCX, X

#ifdef USE_ABS

	andps	%xmm15, %xmm7

#endif

	maxss	%xmm7, %xmm3

	ALIGN_3	

.L86:

	testq	$2, M

	je	.L87

	movss	0 * SIZE(X), %xmm4

	addq	INCX, X

#ifdef USE_ABS

	andps	%xmm15, %xmm4

#endif

	maxss	%xmm4, %xmm0

	movss	0 * SIZE(X), %xmm5

	addq	INCX, X

#ifdef USE_ABS

	andps	%xmm15, %xmm5

#endif

	maxss	%xmm5, %xmm1

	ALIGN_3

.L87:

	testq	$1, M

	je	.L90

	movss	0 * SIZE(X), %xmm6

	addq	INCX, X

#ifdef USE_ABS

	andps	%xmm15, %xmm6

#endif

	maxss	%xmm6, %xmm2

	ALIGN_4

.L90:

	movq	XX, X

	movq	MM, M

	maxss	%xmm1, %xmm0

	maxss	%xmm3, %xmm2

	maxss	%xmm2, %xmm0

	shufps	$0, %xmm0, %xmm0

	movq	M,  I

	sarq	$3, I

	jle	.L95

	ALIGN_4

.L93:

	movss	0 * SIZE(X), %xmm1

	addq	INCX, X

#ifdef USE_ABS

	andps	 %xmm15, %xmm1

#endif

	cmpeqss	%xmm0, %xmm1

	movss	0 * SIZE(X), %xmm2

	addq	INCX, X

#ifdef USE_ABS

	andps	 %xmm15, %xmm2

#endif

	cmpeqss	%xmm0, %xmm2

	movss	0 * SIZE(X), %xmm3

	addq	INCX, X

#ifdef USE_ABS

	andps	 %xmm15, %xmm3

#endif

	cmpeqss	%xmm0, %xmm3

	movss	0 * SIZE(X), %xmm4

	addq	INCX, X

#ifdef USE_ABS

	andps	 %xmm15, %xmm4

#endif

	cmpeqss	%xmm0, %xmm4

	movss	0 * SIZE(X), %xmm5

	addq	INCX, X

#ifdef USE_ABS

	andps	 %xmm15, %xmm5

#endif

	cmpeqps	%xmm0, %xmm5

	movss	0 * SIZE(X), %xmm6

	addq	INCX, X

#ifdef USE_ABS

	andps	 %xmm15, %xmm6

#endif

	cmpeqss	%xmm0, %xmm6

	movss	0 * SIZE(X), %xmm7

	addq	INCX, X

#ifdef USE_ABS

	andps	 %xmm15, %xmm7

#endif

	cmpeqss	%xmm0, %xmm7

	movss	0 * SIZE(X), %xmm8

	addq	INCX, X

#ifdef USE_ABS