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

/* 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)

#ifdef NANO

#define PREFETCHSIZE  (8 * 3 + 4)

#define PREFETCHW     prefetcht0

#define PREFETCHB     prefetcht0

#endif

#ifdef NEHALEM

#define PREFETCHSIZE  (8 * 1 - 4)

#define PREFETCHW     prefetcht0

#define PREFETCHB     prefetcht0

#endif

#ifndef PREFETCH

#define PREFETCH      prefetcht0

#endif

#ifndef PREFETCHW

#define PREFETCHW     prefetcht0

#endif

#ifndef PREFETCHB

#define PREFETCHB     prefetcht0

#endif

#ifndef PREFETCHSIZE

#define PREFETCHSIZE  (8 * 13 + 4)

#endif

#define AA	%edx

#define BB	%ecx

#define LDC	%ebp

#define B	%edi

#define C1	%esi

#define I	%ebx

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

#define ADD1	  addpd

#define ADD2	  addpd

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

#define ADD1	  addpd

#define ADD2	  addpd

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

#define ADD1	  addpd

#define ADD2	  addpd

#else

#define ADD1	  addpd

#define ADD2	  subpd

#endif

	PROLOGUE

	subl	$ARGS, %esp	# Generate Stack Frame

	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

	movl	M,  %ebx

	testl	%ebx, %ebx

	jle	.L999	

	subl	$-16 * SIZE, A

	subl	$-16 * SIZE, B

	sall	$ZBASE_SHIFT, LDC

	movl	N,  %eax

	sarl	$1, %eax

	movl	%eax, J

	jle	.L20

	ALIGN_2

.L01:

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

	movl	OFFSET, %eax

	movl	%eax, KK

#endif	

	movl	B, BX

	movl	C, C1		# coffset = c

	movl	A, AA		# aoffset = a

	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	B, BB

	movl	KK, %eax

	leal	(, %eax, SIZE), %eax

	leal	(AA, %eax, 2), AA

	leal	(BB, %eax, 4), BB

#endif	

	movl	BX, %eax

	PREFETCHB  -16 * SIZE(%eax)

	subl	$-8 * SIZE, %eax

	movl	%eax, BX

	movaps	-16 * SIZE(AA), %xmm0

	pxor	%xmm2, %xmm2

	movaps	-16 * SIZE(BB), %xmm1

	pxor	%xmm3, %xmm3

	xorps	%xmm4, %xmm4

	PREFETCHW	1 * SIZE(C1)

	xorps	%xmm5, %xmm5

	PREFETCHW	3 * SIZE(C1, LDC)

	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	$2, %eax

#endif

	movl	%eax, KKK

#endif

	sarl	$3, %eax

	je	.L15

	ALIGN_4

.L12:

	PREFETCH (PREFETCHSIZE +  0) * SIZE(AA)

	ADD1	%xmm3, %xmm6

	movaps	-14 * SIZE(BB), %xmm3

	ADD2	%xmm2, %xmm7

	pshufd	$0x4e, %xmm1, %xmm2

	mulpd	%xmm0, %xmm1

	mulpd	%xmm0, %xmm2

	ADD1	%xmm1, %xmm4

	movaps	-12 * SIZE(BB), %xmm1

	ADD2	%xmm2, %xmm5

	pshufd	$0x4e, %xmm3, %xmm2

	mulpd	%xmm0, %xmm3

	mulpd	%xmm0, %xmm2

	movaps	-14 * SIZE(AA), %xmm0

	ADD1	%xmm3, %xmm6

	movaps	-10 * SIZE(BB), %xmm3

	ADD2	%xmm2, %xmm7

	pshufd	$0x4e, %xmm1, %xmm2

	mulpd	%xmm0, %xmm1

	mulpd	%xmm0, %xmm2

	ADD1	%xmm1, %xmm4

	movaps	 -8 * SIZE(BB), %xmm1

	ADD2	%xmm2, %xmm5

	pshufd	$0x4e, %xmm3, %xmm2

	mulpd	%xmm0, %xmm3

	mulpd	%xmm0, %xmm2

	movaps	-12 * SIZE(AA), %xmm0

	ADD1	%xmm3, %xmm6

	movaps	 -6 * SIZE(BB), %xmm3

	ADD2	%xmm2, %xmm7

	pshufd	$0x4e, %xmm1, %xmm2

	mulpd	%xmm0, %xmm1

	mulpd	%xmm0, %xmm2

	ADD1	%xmm1, %xmm4

	movaps	 -4 * SIZE(BB), %xmm1

	ADD2	%xmm2, %xmm5

	pshufd	$0x4e, %xmm3, %xmm2

	mulpd	%xmm0, %xmm3

	mulpd	%xmm0, %xmm2

	movaps	-10 * SIZE(AA), %xmm0

	ADD1	%xmm3, %xmm6

	movaps	 -2 * SIZE(BB), %xmm3

	ADD2	%xmm2, %xmm7

	pshufd	$0x4e, %xmm1, %xmm2

	mulpd	%xmm0, %xmm1

	mulpd	%xmm0, %xmm2

	ADD1	%xmm1, %xmm4

	movaps	  0 * SIZE(BB), %xmm1

	ADD2	%xmm2, %xmm5

	pshufd	$0x4e, %xmm3, %xmm2

	mulpd	%xmm0, %xmm3

	mulpd	%xmm0, %xmm2

	movaps	 -8 * SIZE(AA), %xmm0

	ADD1	%xmm3, %xmm6

	PREFETCH (PREFETCHSIZE +  8) * SIZE(AA)

	movaps	  2 * SIZE(BB), %xmm3

	ADD2	%xmm2, %xmm7

	pshufd	$0x4e, %xmm1, %xmm2

	mulpd	%xmm0, %xmm1

	mulpd	%xmm0, %xmm2

	ADD1	%xmm1, %xmm4

	movaps	  4 * SIZE(BB), %xmm1

	ADD2	%xmm2, %xmm5

	pshufd	$0x4e, %xmm3, %xmm2

	mulpd	%xmm0, %xmm3

	mulpd	%xmm0, %xmm2

	movaps	 -6 * SIZE(AA), %xmm0

	ADD1	%xmm3, %xmm6

	movaps	  6 * SIZE(BB), %xmm3

	ADD2	%xmm2, %xmm7

	pshufd	$0x4e, %xmm1, %xmm2

	mulpd	%xmm0, %xmm1

	mulpd	%xmm0, %xmm2

	ADD1	%xmm1, %xmm4

	movaps	  8 * SIZE(BB), %xmm1

	ADD2	%xmm2, %xmm5

	pshufd	$0x4e, %xmm3, %xmm2

	mulpd	%xmm0, %xmm3

	mulpd	%xmm0, %xmm2

	movaps	 -4 * SIZE(AA), %xmm0

	ADD1	%xmm3, %xmm6

	movaps	 10 * SIZE(BB), %xmm3

	ADD2	%xmm2, %xmm7

	pshufd	$0x4e, %xmm1, %xmm2

	mulpd	%xmm0, %xmm1

	mulpd	%xmm0, %xmm2

	ADD1	%xmm1, %xmm4

	movaps	 12 * SIZE(BB), %xmm1

	ADD2	%xmm2, %xmm5

	pshufd	$0x4e, %xmm3, %xmm2

	mulpd	%xmm0, %xmm3

	mulpd	%xmm0, %xmm2

	movaps	 -2 * SIZE(AA), %xmm0

	ADD1	%xmm3, %xmm6

	movaps	 14 * SIZE(BB), %xmm3

	ADD2	%xmm2, %xmm7

	pshufd	$0x4e, %xmm1, %xmm2

	mulpd	%xmm0, %xmm1

	mulpd	%xmm0, %xmm2

	ADD1	%xmm1, %xmm4

	movaps	 16 * SIZE(BB), %xmm1

	ADD2	%xmm2, %xmm5

	subl   $-32 * SIZE, BB

	pshufd	$0x4e, %xmm3, %xmm2

	mulpd	%xmm0, %xmm3

	mulpd	%xmm0, %xmm2

	movaps	  0 * SIZE(AA), %xmm0

	subl   $-16 * SIZE, AA

	subl   $1, %eax

	jne    .L12

	ALIGN_4

.L15:

#ifndef TRMMKERNEL

	movl	K, %eax

#else

	movl	KKK, %eax

#endif

	andl	$7, %eax

	BRANCH

	je .L18

	ALIGN_4

.L16:

	ADD1	%xmm3, %xmm6

	movaps	-14 * SIZE(BB), %xmm3

	ADD2	%xmm2, %xmm7

	pshufd	$0x4e, %xmm1, %xmm2

	mulpd	%xmm0, %xmm1

	mulpd	%xmm0, %xmm2

	ADD1	%xmm1, %xmm4

	movaps	-12 * SIZE(BB), %xmm1

	ADD2	%xmm2, %xmm5

	pshufd	$0x4e, %xmm3, %xmm2

	mulpd	%xmm0, %xmm3

	mulpd	%xmm0, %xmm2

	movaps	-14 * SIZE(AA), %xmm0

	addl	$2 * SIZE, AA

	addl	$4 * SIZE, BB

	decl	%eax

	jg	.L16

	ALIGN_4

.L18:

	ADD1	%xmm3, %xmm6

	pcmpeqb	%xmm0, %xmm0

	ADD2	%xmm2, %xmm7

	psllq	$63,   %xmm0

	movddup	ALPHA_R, %xmm2

	movddup	ALPHA_I, %xmm3

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

      defined(RR) || defined(RC) || defined(CR) || defined(CC)

	shufps	$0x40, %xmm0, %xmm0

	pxor	%xmm0, %xmm4

	pxor	%xmm0, %xmm6

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

	shufps	$0x04, %xmm0, %xmm0

	pxor	%xmm0, %xmm5

	pxor	%xmm0, %xmm7

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

	shufps	$0x40, %xmm0, %xmm0

	pxor	%xmm0, %xmm5

	pxor	%xmm0, %xmm7

#endif

#ifndef TRMMKERNEL

	movsd	0 * SIZE(C1), %xmm0

	movhpd	1 * SIZE(C1), %xmm0

	movsd	0 * SIZE(C1, LDC), %xmm1

	movhpd	1 * SIZE(C1, LDC), %xmm1

#endif

	haddpd	%xmm5, %xmm4

	haddpd	%xmm7, %xmm6

	pshufd	$0x4e, %xmm4, %xmm5

	pshufd	$0x4e, %xmm6, %xmm7

	mulpd	%xmm2, %xmm4

	mulpd	%xmm2, %xmm6

	mulpd	%xmm3, %xmm5

	mulpd	%xmm3, %xmm7

	addsubpd	%xmm5, %xmm4

	addsubpd	%xmm7, %xmm6

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

	addpd	%xmm0, %xmm4

	addpd	%xmm1, %xmm6

#endif

	movsd	%xmm4, 0 * SIZE(C1)

	movhpd	%xmm4, 1 * SIZE(C1)

	movsd	%xmm6, 0 * SIZE(C1, LDC)

	movhpd	%xmm6, 1 * SIZE(C1, LDC)

#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, 4), BB

#endif

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

	addl	$1, KK

#endif

	addl	$2 * SIZE, C1		# coffset += 4

	decl	%ebx			# i --

	jg	.L10

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

	addl	$2, KK

#endif

	movl	BB, B

	leal	(, LDC, 2), %eax

	addl	%eax, C			# c += ldc

	decl	J			# j --

	jg	.L01

	ALIGN_4

.L20:

	movl	N, %eax

	testl	$1, %eax

	jle	.L999

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

	movl	OFFSET, %eax

	movl	%eax, KK

#endif	

	movl	C, C1		# coffset = c

	movl	A, AA		# aoffset = a

	movl	M,  %ebx

	ALIGN_4

.L21:

#if !defined(TRMMKERNEL) || \

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

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

	movl	B, BB

#else

	movl	B, BB

	movl	KK, %eax

	leal	(, %eax, SIZE), %eax

	leal	(AA, %eax, 2), AA

	leal	(BB, %eax, 2), BB

#endif	

	movaps	-16 * SIZE(AA), %xmm0

	pxor	%xmm2, %xmm2

	movaps	-16 * SIZE(BB), %xmm1

	pxor	%xmm3, %xmm3

	pxor	%xmm4, %xmm4

	prefetcht0	1 * SIZE(C1)

	pxor	%xmm5, %xmm5

	pxor	%xmm6, %xmm6

	pxor	%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	$3, %eax

	je	.L25

	ALIGN_4

.L22:

	PREFETCH (PREFETCHSIZE +  0) * SIZE(AA)

	pshufd	$0x4e, %xmm1, %xmm2

	mulpd	%xmm0, %xmm1

	mulpd	%xmm0, %xmm2

	movaps	-14 * SIZE(AA), %xmm0

	ADD1	%xmm1, %xmm4

	movaps	-14 * SIZE(BB), %xmm1

	ADD2	%xmm2, %xmm5

	pshufd	$0x4e, %xmm1, %xmm2

	mulpd	%xmm0, %xmm1

	mulpd	%xmm0, %xmm2

	movaps	-12 * SIZE(AA), %xmm0

	ADD1	%xmm1, %xmm6

	movaps	-12 * SIZE(BB), %xmm1

	ADD2	%xmm2, %xmm7

	pshufd	$0x4e, %xmm1, %xmm2

	mulpd	%xmm0, %xmm1

	mulpd	%xmm0, %xmm2

	movaps	-10 * SIZE(AA), %xmm0

	ADD1	%xmm1, %xmm4

	movaps	-10 * SIZE(BB), %xmm1

	ADD2	%xmm2, %xmm5

	pshufd	$0x4e, %xmm1, %xmm2

	mulpd	%xmm0, %xmm1

	mulpd	%xmm0, %xmm2

	movaps	 -8 * SIZE(AA), %xmm0

	ADD1	%xmm1, %xmm6

	movaps	 -8 * SIZE(BB), %xmm1

	ADD2	%xmm2, %xmm7

	PREFETCH (PREFETCHSIZE +  8) * SIZE(AA)

	pshufd	$0x4e, %xmm1, %xmm2

	mulpd	%xmm0, %xmm1

	mulpd	%xmm0, %xmm2

	movaps	 -6 * SIZE(AA), %xmm0

	ADD1	%xmm1, %xmm4

	movaps	 -6 * SIZE(BB), %xmm1

	ADD2	%xmm2, %xmm5

	pshufd	$0x4e, %xmm1, %xmm2

	mulpd	%xmm0, %xmm1

	mulpd	%xmm0, %xmm2

	movaps	 -4 * SIZE(AA), %xmm0

	ADD1	%xmm1, %xmm6

	movaps	 -4 * SIZE(BB), %xmm1

	ADD2	%xmm2, %xmm7

	pshufd	$0x4e, %xmm1, %xmm2

	mulpd	%xmm0, %xmm1

	mulpd	%xmm0, %xmm2

	movaps	 -2 * SIZE(AA), %xmm0

	ADD1	%xmm1, %xmm4

	movaps	 -2 * SIZE(BB), %xmm1

	ADD2	%xmm2, %xmm5

	pshufd	$0x4e, %xmm1, %xmm2

	mulpd	%xmm0, %xmm1

	mulpd	%xmm0, %xmm2

	movaps	  0 * SIZE(AA), %xmm0

	ADD1	%xmm1, %xmm6

	movaps	  0 * SIZE(BB), %xmm1

	ADD2	%xmm2, %xmm7

	subl   $-16 * SIZE, AA

	subl   $-16 * SIZE, BB

	subl   $1, %eax

	jne    .L22

	ALIGN_4

.L25:

#ifndef TRMMKERNEL

	movl	K, %eax

#else

	movl	KKK, %eax

#endif

	andl	$7, %eax

	BRANCH

	je .L28

	ALIGN_4

.L26:

	pshufd	$0x4e, %xmm1, %xmm2

	mulpd	%xmm0, %xmm1

	mulpd	%xmm0, %xmm2

	movaps	-14 * SIZE(AA), %xmm0

	ADD1	%xmm1, %xmm4

	movaps	-14 * SIZE(BB), %xmm1

	ADD2	%xmm2, %xmm5

	addl	$2 * SIZE, AA

	addl	$2 * SIZE, BB

	decl	%eax

	jg	.L26

	ALIGN_4

.L28:

	addpd	%xmm6, %xmm4

	pcmpeqb	%xmm0, %xmm0

	addpd	%xmm7, %xmm5

	psllq	$63,   %xmm0

	movddup	ALPHA_R, %xmm2

	movddup	ALPHA_I, %xmm3

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

      defined(RR) || defined(RC) || defined(CR) || defined(CC)

	shufps	$0x40, %xmm0, %xmm0

	pxor	%xmm0, %xmm4

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

	shufps	$0x04, %xmm0, %xmm0

	pxor	%xmm0, %xmm5

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

	shufps	$0x40, %xmm0, %xmm0

	pxor	%xmm0, %xmm5

#endif

#ifndef TRMMKERNEL

	movsd	0 * SIZE(C1), %xmm0

	movhpd	1 * SIZE(C1), %xmm0

#endif

	haddpd	%xmm5, %xmm4

	pshufd	$0x4e, %xmm4, %xmm5

	mulpd	%xmm2, %xmm4

	mulpd	%xmm3, %xmm5

	addsubpd	%xmm5, %xmm4

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

	addpd	%xmm0, %xmm4

#endif

	movsd	%xmm4, 0 * SIZE(C1)

	movhpd	%xmm4, 1 * SIZE(C1)

#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, C1

	decl	%ebx			# i --

	jg	.L21

	ALIGN_4

.L999:

	popl	%ebx

	popl	%esi

	popl	%edi

	popl	%ebp

	addl	$ARGS, %esp

	ret

	EPILOGUE