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

/* 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 STACK	16

#define ARGS	32

#define J	 0 + STACK(%esp)

#define I	 4 + STACK(%esp)

#define KK	 8 + STACK(%esp)

#define KKK	12 + STACK(%esp)

#define AORIG	16 + STACK(%esp)

#define M	 4 + STACK + ARGS(%esp)

#define N	 8 + STACK + ARGS(%esp)

#define K	12 + STACK + ARGS(%esp)

#define ALPHA	16 + STACK + ARGS(%esp)

#ifdef DOUBLE

#define STACK_A	24 + STACK + ARGS(%esp)

#define STACK_B	28 + STACK + ARGS(%esp)

#define C	32 + STACK + ARGS(%esp)

#define STACK_LDC	36 + STACK + ARGS(%esp)

#define OFFSET	40 + STACK + ARGS(%esp)

#else

#define STACK_A	20 + STACK + ARGS(%esp)

#define STACK_B	24 + STACK + ARGS(%esp)

#define C	28 + STACK + ARGS(%esp)

#define STACK_LDC	32 + STACK + ARGS(%esp)

#define OFFSET	36 + STACK + ARGS(%esp)

#endif

#define A	%edx

#define B	%ecx

#define B_ORIG	%ebx

#define LDC	%ebp

#define PREFETCHSIZE (5 + 8 * 10)

	PROLOGUE

	subl	$ARGS, %esp	# Generate Stack Frame

	pushl	%ebp

	pushl	%edi

	pushl	%esi

	pushl	%ebx

	PROFCODE

	movl	STACK_B, B_ORIG

	movl	STACK_LDC, LDC

	leal	(, LDC, SIZE), LDC

#ifdef LN

       movl	M, %eax

       leal	(, %eax, SIZE), %eax

       addl	%eax, C

       imull	K, %eax

       addl	%eax, STACK_A

#endif

#ifdef RT

       movl	N, %eax

       leal	(, %eax, SIZE), %eax

       imull	K, %eax

       addl	%eax, B_ORIG

       movl	N,   %eax

       imull	LDC, %eax

       addl	%eax, C

#endif

#ifdef RN

       movl	OFFSET, %eax

       negl	%eax

       movl	%eax, KK

#endif	

#ifdef RT

       movl	N, %eax

       subl	OFFSET, %eax

       movl	%eax, KK

#endif

	subl	$-16 * SIZE, B_ORIG

	subl	$-16 * SIZE, STACK_A

	movl	M, %eax

	testl	%eax, %eax

	jle	.L999

	movl	N, %eax

	testl	%eax, %eax

	jle	.L999

	movl	K, %eax

	testl	%eax, %eax

	jle	.L999

	movl	N,   %eax

	andl	$1,  %eax

	je	.L20

	ALIGN_3

.L31:

#if defined(LT) || defined(RN)

	movl	STACK_A, A

#else

	movl	STACK_A, %eax

	movl	%eax, AORIG

#endif

#ifdef RT

	movl	K, %eax

	sall	$0 + BASE_SHIFT, %eax

	subl	%eax, B_ORIG

#endif

#ifdef RT

	subl	LDC, C

#endif

	movl	C, %edi

#ifndef RT

	addl	LDC, C

#endif

#ifdef LN

	movl	OFFSET, %eax

	addl	M, %eax

	movl	%eax, KK

#endif	

#ifdef LT

	movl	OFFSET, %eax

	movl	%eax, KK

#endif

	movl	B_ORIG, B

#if defined(LT) || defined(RN)

	movl	KK, %eax

#else

	movl	K,  %eax

	subl	KK, %eax

#endif

	sarl	$5, %eax

	jle	.L33

	ALIGN_4

.L32:	

	movl	 -16 * SIZE(B), %esi

	movl	  -8 * SIZE(B), %esi

	movl	   0 * SIZE(B), %esi

	movl	   8 * SIZE(B), %esi

	subl	 $-32 * SIZE, B

	decl	  %eax

	jne	  .L32

	ALIGN_3

.L33:

	movl	M, %esi

	movl	%esi, I

	ALIGN_3

.L34:

#ifdef LN

       movl	K, %eax

       sall	$BASE_SHIFT, %eax

       subl	%eax, AORIG

#endif

#if defined(LN) || defined(RT)

	movl	KK, %eax

	leal	(, %eax, SIZE), %eax

	movl	AORIG, A

	leal	(A     , %eax, 1), A

	leal	(B_ORIG, %eax, 1), B

#else

	movl	B_ORIG, B

#endif	

	fldz

	fldz

	fldz

	fldz

	prefetchw	1 * SIZE(%edi)

#if defined(LT) || defined(RN)

	movl	KK, %eax

#else

	movl	K,  %eax

	subl	KK, %eax

#endif

	sarl	$3, %eax

 	je	.L36

	ALIGN_3

.L35:

	FLD	-16 * SIZE(A)

	FMUL	-16 * SIZE(B)

	faddp	%st, %st(1)

	FLD	-15 * SIZE(A)

	FMUL	-15 * SIZE(B)

	faddp	%st, %st(2)

	FLD	-14 * SIZE(A)

	FMUL	-14 * SIZE(B)

	faddp	%st, %st(3)

	FLD	-13 * SIZE(A)

	FMUL	-13 * SIZE(B)

	faddp	%st, %st(4)

	FLD	-12 * SIZE(A)

	FMUL	-12 * SIZE(B)

	faddp	%st, %st(1)

	FLD	-11 * SIZE(A)

	FMUL	-11 * SIZE(B)

	faddp	%st, %st(2)

	FLD	-10 * SIZE(A)

	FMUL	-10 * SIZE(B)

	faddp	%st, %st(3)

	FLD	 -9 * SIZE(A)

	FMUL	 -9 * SIZE(B)

	faddp	%st, %st(4)

	addl	$8 * SIZE, A

	addl	$8 * SIZE, B

	decl	%eax

	jne	.L35

	ALIGN_4

.L36:

#if defined(LT) || defined(RN)

	movl	KK, %eax

#else

	movl	K,  %eax

	subl	KK, %eax

#endif

	and	$7, %eax

	je	.L39

	ALIGN_4

.L37:

	FLD	-16 * SIZE(A)

	FMUL	-16 * SIZE(B)

	faddp	%st, %st(1)

	addl	$1 * SIZE,A

	addl	$1 * SIZE,B

	decl	%eax

	jne	 .L37

	ALIGN_4

.L39:

	faddp	%st, %st(2)

	faddp	%st, %st(2)

	faddp	%st, %st(1)

#if defined(LN) || defined(RT)

	movl	KK, %eax

	subl	$1, %eax

	movl	AORIG, A

	leal	(A,      %eax, SIZE), A

	leal	(B_ORIG, %eax, SIZE), B

#endif

#if defined(LN) || defined(LT)

	FLD	0 * SIZE - 16 * SIZE(B)

	fsubp	%st, %st(1)

#else

	FLD	0 * SIZE - 16 * SIZE(A)

	fsubp	%st, %st(1)

#endif

#if defined(LN) || defined(LT)

       FLD	0 * SIZE - 16 * SIZE(A)

       fmulp	%st, %st(1)

#endif

#if defined(RN) || defined(RT)

       FMUL	 0 * SIZE - 16 * SIZE(B)

#endif

#ifdef LN

	subl	$1 * SIZE, %edi

#endif

#if defined(LN) || defined(LT)

	FSTU	0 * SIZE - 16 * SIZE(B)

#else

	FSTU	0 * SIZE - 16 * SIZE(A)

#endif

	FST	0 * SIZE(%edi)

#ifndef LN

	addl	$1 * SIZE, %edi

#endif

#if defined(LT) || defined(RN)

	movl	K,  %eax

	subl	KK, %eax

	leal	(A, %eax, SIZE), A

	leal	(B, %eax, SIZE), B

#endif

#ifdef LN

	subl	$1, KK

#endif

#ifdef LT

	addl	$1, KK

#endif

#ifdef RT

       movl	K, %eax

       sall	$BASE_SHIFT, %eax

       addl	%eax, AORIG

#endif

	decl	I

	jne	.L34

#ifdef LN

       movl	K, %eax

       leal	(    , %eax, SIZE), %eax

       leal	(B_ORIG, %eax, 1), B_ORIG

#endif

#if defined(LT) || defined(RN)

	movl	B, B_ORIG

#endif

#ifdef RN

	addl	$1, KK

#endif

#ifdef RT

	subl	$1, KK

#endif

	ALIGN_4

.L20:

	movl	N,   %eax

	andl	$2,  %eax

	je	.L30

#if defined(LT) || defined(RN)

	movl	STACK_A, A

#else

	movl	STACK_A, %eax

	movl	%eax, AORIG

#endif

#ifdef RT

	movl	K, %eax

	sall	$1 + BASE_SHIFT, %eax

	subl	%eax, B_ORIG

#endif

	leal	(, LDC, 2), %eax

#ifdef RT

	subl	%eax, C

#endif

	movl	C, %edi

#ifndef RT

	addl	%eax, C

#endif

#ifdef LN

	movl	OFFSET, %eax

	addl	M, %eax

	movl	%eax, KK

#endif	

#ifdef LT

	movl	OFFSET, %eax

	movl	%eax, KK

#endif

	movl	B_ORIG, B

#if defined(LT) || defined(RN)

	movl	KK, %eax

#else

	movl	K,  %eax

	subl	KK, %eax

#endif

	sarl	$4, %eax

	jle	.L23

	ALIGN_4

.L22:	

	movl	 -16 * SIZE(B), %esi

	movl	  -8 * SIZE(B), %esi

	movl	   0 * SIZE(B), %esi

	movl	   8 * SIZE(B), %esi

	subl	 $-32 * SIZE, B

	decl	  %eax

	jne	  .L22

	ALIGN_3

.L23:

	movl	M, %esi

	movl	%esi, I

	ALIGN_3

.L24:

#ifdef LN

       movl	K, %eax

       sall	$BASE_SHIFT, %eax

       subl	%eax, AORIG

#endif

#if defined(LN) || defined(RT)

	movl	KK, %eax

	leal	(, %eax, SIZE), %eax

	movl	AORIG, A

	leal	(A     , %eax, 1), A

	leal	(B_ORIG, %eax, 2), B

#else

	movl	B_ORIG, B

#endif	

	fldz

	fldz

	fldz

	fldz

	FLD	 -16 * SIZE(A)

	FLD	 -16 * SIZE(B)

	prefetchw	1 * SIZE(%edi)

	prefetchw	1 * SIZE(%edi, LDC)

#if defined(LT) || defined(RN)

	movl	KK, %eax

#else

	movl	K,  %eax

	subl	KK, %eax

#endif

	sarl	$3, %eax

 	je	.L26

	ALIGN_3

.L25:

	fmul	%st(1), %st

	faddp	%st, %st(2)

	FMUL	-15 * SIZE(B)

	faddp	%st, %st(2)

	FLD	-15 * SIZE(A)

	FLD	-14 * SIZE(B)

	fmul	%st(1), %st

	faddp	%st, %st(4)

	FMUL	-13 * SIZE(B)

	faddp	%st, %st(4)

	FLD	-14 * SIZE(A)

	FLD	-12 * SIZE(B)

	fmul	%st(1), %st

	faddp	%st, %st(2)

	FMUL	-11 * SIZE(B)

	faddp	%st, %st(2)

	FLD	-13 * SIZE(A)

	FLD	-10 * SIZE(B)

	fmul	%st(1), %st

	faddp	%st, %st(4)

	FMUL	 -9 * SIZE(B)

	faddp	%st, %st(4)

	FLD	-12 * SIZE(A)

	FLD	 -8 * SIZE(B)

	fmul	%st(1), %st

	faddp	%st, %st(2)

	FMUL	 -7 * SIZE(B)

	faddp	%st, %st(2)

	FLD	-11 * SIZE(A)

	FLD	 -6 * SIZE(B)

	fmul	%st(1), %st

	faddp	%st, %st(4)

	FMUL	 -5 * SIZE(B)

	faddp	%st, %st(4)

	FLD	-10 * SIZE(A)

	FLD	 -4 * SIZE(B)

	fmul	%st(1), %st

	faddp	%st, %st(2)

	FMUL	 -3 * SIZE(B)

	faddp	%st, %st(2)

	FLD	 -9 * SIZE(A)

	FLD	 -2 * SIZE(B)

	fmul	%st(1), %st

	faddp	%st, %st(4)

	FMUL	 -1 * SIZE(B)

	faddp	%st, %st(4)

	FLD	 -8 * SIZE(A)

	FLD	  0 * SIZE(B)

	addl	$  8 * SIZE, A

	subl	$-16 * SIZE, B

	decl	%eax

	jne	.L25

	ALIGN_4

.L26:

#if defined(LT) || defined(RN)

	movl	KK, %eax

#else

	movl	K,  %eax

	subl	KK, %eax

#endif

	and	$7, %eax

	je	.L29

	ALIGN_4

.L27:

	fmul	%st(1), %st

	faddp	%st, %st(2)

	FMUL	-15 * SIZE(B)

	faddp	%st, %st(2)

	FLD	 -15 * SIZE(A)

	FLD	 -14 * SIZE(B)

	addl	$1 * SIZE,A

	addl	$2 * SIZE,B

	decl	%eax

	jne	 .L27

	ALIGN_4

.L29:

	ffreep	%st(0)

	ffreep	%st(0)

	faddp	%st, %st(2)

	faddp	%st, %st(2)

#if defined(LN) || defined(RT)

	movl	KK, %eax

#ifdef LN

	subl	$1, %eax

#else

	subl	$2, %eax

#endif

	leal	(, %eax, SIZE), %eax

	movl	AORIG, A

	leal	(A,      %eax, 1), A

	leal	(B_ORIG, %eax, 2), B

#endif

#if defined(LN) || defined(LT)

	FLD	0 * SIZE - 16 * SIZE(B)

	fsubp	%st, %st(1)

	FLD	1 * SIZE - 16 * SIZE(B)

	fsubp	%st, %st(2)

#else

	FLD	0 * SIZE - 16 * SIZE(A)

	fsubp	%st, %st(1)

	FLD	1 * SIZE - 16 * SIZE(A)

	fsubp	%st, %st(2)

#endif

#ifdef LN

       FLD	0 * SIZE - 16 * SIZE(A)

       fmul	%st, %st(1)

       fmulp	%st, %st(2)

#endif

#ifdef LT

       FLD	0 * SIZE - 16 * SIZE(A)

       fmul	%st, %st(1)

       fmulp	%st, %st(2)

#endif

#ifdef RN

       FMUL	 0 * SIZE - 16 * SIZE(B)

       FLD	 1 * SIZE - 16 * SIZE(B)

       fmul	 %st(1), %st

       fsubrp	 %st, %st(2)

       FLD	 3 * SIZE - 16 * SIZE(B)

       fmulp	 %st, %st(2)

#endif

#ifdef RT

       FLD	 3 * SIZE - 16 * SIZE(B)

       fmulp	 %st, %st(2)

       FLD	 2 * SIZE - 16 * SIZE(B)

       fmul	 %st(2), %st

       fsubrp	 %st, %st(1)

       FLD	 0 * SIZE - 16 * SIZE(B)

       fmulp	 %st, %st(1)

#endif

#ifdef LN

	subl	$1 * SIZE, %edi

#endif

#if defined(LN) || defined(LT)

	FSTU	0 * SIZE - 16 * SIZE(B)

	fxch	%st(1)

	FSTU	1 * SIZE - 16 * SIZE(B)

#else

	FSTU	0 * SIZE - 16 * SIZE(A)

	fxch	%st(1)

	FSTU	1 * SIZE - 16 * SIZE(A)

#endif

	FST	0 * SIZE(%edi, LDC)

	FST	0 * SIZE(%edi)

#ifndef LN

	addl	$1 * SIZE, %edi

#endif

#if defined(LT) || defined(RN)

	movl	K,  %eax

	subl	KK, %eax

	leal	(,%eax, SIZE), %eax

	leal	(A, %eax, 1), A

	leal	(B, %eax, 2), B

#endif

#ifdef LN

	subl	$1, KK

#endif

#ifdef LT

	addl	$1, KK

#endif

#ifdef RT

       movl	K, %eax

       sall	$BASE_SHIFT, %eax

       addl	%eax, AORIG

#endif

	decl	I

	jne	.L24

#ifdef LN

       movl	K, %eax

       leal	(    , %eax, SIZE), %eax

       leal	(B_ORIG, %eax, 2), B_ORIG

#endif

#if defined(LT) || defined(RN)

	movl	B, B_ORIG

#endif

#ifdef RN

	addl	$2, KK

#endif

#ifdef RT

	subl	$2, KK

#endif

	ALIGN_4

.L30:

	movl	N,   %eax

	sarl	$2,  %eax

	movl	%eax, J

	je	.L999

	ALIGN_3

.L11:

#if defined(LT) || defined(RN)

	movl	STACK_A, A

#else

	movl	STACK_A, %eax

	movl	%eax, AORIG

#endif

#ifdef RT

	movl	K, %eax

	sall	$2 + BASE_SHIFT, %eax

	subl	%eax, B_ORIG

#endif

	leal	(, LDC, 4), %eax

#ifdef RT

	subl	%eax, C

#endif

	movl	C, %edi

#ifndef RT

	addl	%eax, C

#endif

#ifdef LN

	movl	OFFSET, %eax

	addl	M, %eax

	movl	%eax, KK

#endif	

#ifdef LT

	movl	OFFSET, %eax

	movl	%eax, KK

#endif

	movl	B_ORIG, B

#if defined(LT) || defined(RN)

	movl	KK, %eax

#else

	movl	K,  %eax

	subl	KK, %eax

#endif

	sarl	$4, %eax

	jle	.L13

	ALIGN_4

.L12:	

	movl	 -16 * SIZE(B), %esi

	movl	  -8 * SIZE(B), %esi

	movl	   0 * SIZE(B), %esi

	movl	   8 * SIZE(B), %esi

	movl	  16 * SIZE(B), %esi

	movl	  24 * SIZE(B), %esi

	movl	  32 * SIZE(B), %esi

	movl	  40 * SIZE(B), %esi

	subl	 $-64 * SIZE, B

	decl	  %eax

	jne	  .L12

	ALIGN_3

.L13:

	movl	M, %esi

	movl	%esi, I

	ALIGN_3

.L14:

#ifdef LN

       movl	K, %eax

       sall	$BASE_SHIFT, %eax

       subl	%eax, AORIG

#endif

#if defined(LN) || defined(RT)

	movl	KK, %eax

	leal	(, %eax, SIZE), %eax

	movl	AORIG, A

	leal	(A     , %eax, 1), A

	leal	(B_ORIG, %eax, 4), B

#else

	movl	B_ORIG, B

#endif	

	leal	(%edi, LDC, 2), %eax

	fldz

	fldz

	fldz

	fldz

	FLD	  -8 * SIZE(A)

	FLD	 -16 * SIZE(A)

	FLD	 -16 * SIZE(B)

	movl	$32 * SIZE, %esi

	prefetchw	1 * SIZE(%edi)

	prefetchw	1 * SIZE(%edi, LDC)

	prefetchw	1 * SIZE(%eax)

	prefetchw	1 * SIZE(%eax, LDC)

#if defined(LT) || defined(RN)

	movl	KK, %eax

#else

	movl	K,  %eax

	subl	KK, %eax

#endif

	sarl	$3, %eax

 	je	.L16

	ALIGN_3

.L15:

	fmul	%st(1), %st

	faddp	%st, %st(3)

	PADDING

	FLD	-15 * SIZE(B)

	fmul	%st(1), %st

	faddp	%st, %st(4)

	PADDING

	FLD	-14 * SIZE(B)

	fmul	%st(1), %st

	faddp	%st, %st(5)

	PADDING

	FMUL	-13 * SIZE(B)

	faddp	%st, %st(5)

	FLD	-15 * SIZE(A)

	FLD	-12 * SIZE(B)

	fmul	%st(1), %st

	faddp	%st, %st(3)

	PADDING

	FLD	-11 * SIZE(B)

	fmul	%st(1), %st

	faddp	%st, %st(4)

	PADDING

	FLD	-10 * SIZE(B)

	fmul	%st(1), %st

	faddp	%st, %st(5)

	PADDING

	FMUL	 -9 * SIZE(B)