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

/* 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	16

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

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

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

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

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

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

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

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

#define ARG_LDC	44 + STACK + ARGS(%esp)

#define OFFSET	48 + STACK + ARGS(%esp)

#define J	 0 + STACK(%esp)

#define BX	 4 + STACK(%esp)

#define KK	 8 + STACK(%esp)

#define KKK	12 + STACK(%esp)

#define PREFETCH	prefetcht0

#define PREFETCHSIZE 84

#define AA	%edx

#define BB	%ecx

#define CO1	%esi

#define LDC	%ebp

#define B	%edi

#if   defined(NN) || defined(NT) || defined(TN) || defined(TT)

#define ADDSD1	addsd

#define ADDSD2	addsd

#define ADDSD3	addsd

#define ADDSD4	subsd

#elif defined(NR) || defined(NC) || defined(TR) || defined(TC)

#define ADDSD1	addsd

#define ADDSD2	subsd

#define ADDSD3	addsd

#define ADDSD4	addsd

#elif defined(RN) || defined(RT) || defined(CN) || defined(CT)

#define ADDSD1	addsd

#define ADDSD2	addsd

#define ADDSD3	subsd

#define ADDSD4	addsd

#else

#define ADDSD1	addsd

#define ADDSD2	subsd

#define ADDSD3	subsd

#define ADDSD4	subsd

#endif

	PROLOGUE

	subl	$ARGS, %esp

	pushl	%ebp

	pushl	%edi

	pushl	%esi

	pushl	%ebx

	PROFCODE

	movl	ARG_B,   B

	movl	ARG_LDC, LDC

#ifdef TRMMKERNEL

	movl	OFFSET, %eax

#ifndef LEFT

	negl	%eax

#endif	

	movl	%eax, KK

#endif

	sall	$ZBASE_SHIFT, LDC

	movl	M,    %ebx

	testl	%ebx, %ebx

	jle	.L999

	movl	N,    %eax

	testl	%eax, %eax

	movl	%eax, J

	jle	.L999

	ALIGN_4

.L01:

#if defined(TRMMKERNEL) && defined(LEFT)

	movl	OFFSET, %eax

	movl	%eax, KK

#endif	

	movl	B, BX

	movl	C, CO1

	addl	LDC, C

	movl	A, AA

	movl	M,    %ebx

	ALIGN_4

.L10:

#if !defined(TRMMKERNEL) || \

	(defined(TRMMKERNEL) &&  defined(LEFT) &&  defined(TRANSA)) || \

	(defined(TRMMKERNEL) && !defined(LEFT) && !defined(TRANSA))

	movl	B, BB

#else

	movl	KK, %eax

	leal	(, %eax, SIZE), %eax

	leal	(AA, %eax, 2), AA

	leal	(B,  %eax, 2), BB

#endif	

	movl	BX, %eax

	prefetcht0  0 * SIZE(%eax)

	subl	$-8 * SIZE, BX

	movsd	 0 * SIZE(AA), %xmm0

	xorps	%xmm2, %xmm2

	xorps	%xmm3, %xmm3

	xorps	%xmm4, %xmm4

	prefetcht0	1 * SIZE(CO1)

	xorps	%xmm5, %xmm5

	xorps	%xmm6, %xmm6

	xorps	%xmm7, %xmm7

#ifndef TRMMKERNEL

	movl	K, %eax

#elif (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))

	movl	K, %eax

	subl	KK, %eax

	movl	%eax, KKK	

#else

	movl	KK, %eax

#ifdef LEFT

	addl	$1, %eax

#else

	addl	$1, %eax

#endif

	movl	%eax, KKK

#endif

	sarl	$2, %eax

	je	.L15

	ALIGN_4

.L12:

	PREFETCH  (PREFETCHSIZE + 0) * SIZE(AA)

	ADDSD3	%xmm2, %xmm6

	movsd	 1 * SIZE(AA), %xmm2

	movaps	%xmm0, %xmm1

	mulsd	 0 * SIZE(BB), %xmm0

	ADDSD4	%xmm3, %xmm7

	mulsd	 1 * SIZE(BB), %xmm1

	ADDSD1	%xmm0, %xmm4

	movsd	 2 * SIZE(AA), %xmm0

	movaps	%xmm2, %xmm3

	mulsd	 0 * SIZE(BB), %xmm2

	ADDSD2	%xmm1, %xmm5

	mulsd	 1 * SIZE(BB), %xmm3

	ADDSD3	%xmm2, %xmm6

	movsd	 3 * SIZE(AA), %xmm2

	movaps	%xmm0, %xmm1

	mulsd	 2 * SIZE(BB), %xmm0

	ADDSD4	%xmm3, %xmm7

	mulsd	 3 * SIZE(BB), %xmm1

	ADDSD1	%xmm0, %xmm4

	movsd	 4 * SIZE(AA), %xmm0

	movaps	%xmm2, %xmm3

	mulsd	 2 * SIZE(BB), %xmm2

	ADDSD2	%xmm1, %xmm5

	mulsd	 3 * SIZE(BB), %xmm3

	ADDSD3	%xmm2, %xmm6

	movsd	 5 * SIZE(AA), %xmm2

	movaps	%xmm0, %xmm1

	mulsd	 4 * SIZE(BB), %xmm0

	ADDSD4	%xmm3, %xmm7

	mulsd	 5 * SIZE(BB), %xmm1

	ADDSD1	%xmm0, %xmm4

	movsd	 6 * SIZE(AA), %xmm0

	movaps	%xmm2, %xmm3

	mulsd	 4 * SIZE(BB), %xmm2

	ADDSD2	%xmm1, %xmm5

	mulsd	 5 * SIZE(BB), %xmm3

	ADDSD3	%xmm2, %xmm6

	movsd	 7 * SIZE(AA), %xmm2

	movaps	%xmm0, %xmm1

	mulsd	 6 * SIZE(BB), %xmm0

	ADDSD4	%xmm3, %xmm7

	mulsd	 7 * SIZE(BB), %xmm1

	ADDSD1	%xmm0, %xmm4

	movsd	 8 * SIZE(AA), %xmm0

	movaps	%xmm2, %xmm3

	mulsd	 6 * SIZE(BB), %xmm2

	ADDSD2	%xmm1, %xmm5

	mulsd	 7 * SIZE(BB), %xmm3

	addl   $8 * SIZE, BB

	addl   $8 * SIZE, AA

	decl   %eax

	jne    .L12

	ALIGN_4

.L15:

#ifndef TRMMKERNEL

	movl	K, %eax

#else

	movl	KKK, %eax

#endif

	andl	$3, %eax		# if (k & 1)

	BRANCH

	je .L18

	ALIGN_3

.L16:

	ADDSD3	%xmm2, %xmm6

	movsd	 1 * SIZE(AA), %xmm2

	movaps	%xmm0, %xmm1

	mulsd	 0 * SIZE(BB), %xmm0

	ADDSD4	%xmm3, %xmm7

	mulsd	 1 * SIZE(BB), %xmm1

	ADDSD1	%xmm0, %xmm4

	movsd	 2 * SIZE(AA), %xmm0

	movaps	%xmm2, %xmm3

	mulsd	 0 * SIZE(BB), %xmm2

	ADDSD2	%xmm1, %xmm5

	mulsd	 1 * SIZE(BB), %xmm3

	addl	$2 * SIZE, AA

	addl	$2 * SIZE, BB

	decl	%eax

	jg	.L16

	ALIGN_4

.L18:

	movsd	ALPHA_R, %xmm0

	movsd	ALPHA_I, %xmm1

	ADDSD3	%xmm2, %xmm6

	ADDSD4	%xmm3, %xmm7

	addsd	%xmm7, %xmm4

	addsd	%xmm5, %xmm6

	movaps	%xmm4, %xmm5

	movaps	%xmm6, %xmm7

	mulsd	%xmm0, %xmm4

	mulsd	%xmm1, %xmm5

	mulsd	%xmm1, %xmm6

	mulsd	%xmm0, %xmm7

	subsd	%xmm6, %xmm4

	addsd	%xmm7, %xmm5

#ifndef TRMMKERNEL

	addsd	0 * SIZE(CO1), %xmm4

	addsd	1 * SIZE(CO1), %xmm5

#endif

	movsd	%xmm4, 0 * SIZE(CO1)

	movsd	%xmm5, 1 * SIZE(CO1)

#if (defined(TRMMKERNEL) &&  defined(LEFT) &&  defined(TRANSA)) || \

    (defined(TRMMKERNEL) && !defined(LEFT) && !defined(TRANSA))

	movl	K, %eax

	subl	KKK, %eax

	leal	(, %eax, SIZE), %eax

	leal	(AA, %eax, 2), AA

	leal	(BB, %eax, 2), BB

#endif

#if defined(TRMMKERNEL) && defined(LEFT)

	addl	$1, KK

#endif

	addl	$2 * SIZE, CO1

	decl	%ebx

	jg	.L10

	ALIGN_4	

.L99:

#if defined(TRMMKERNEL) && !defined(LEFT)

	addl	$1, KK

#endif

	movl	BB, B

	decl	J

	jg	.L01

	ALIGN_4

.L999:

	popl	%ebx

	popl	%esi

	popl	%edi

	popl	%ebp

	addl	$ARGS, %esp

	ret

	EPILOGUE