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

/* 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 KK	 0 + STACK(%esp)

#define KKK	 4 + STACK(%esp)

#define AORIG	 8 + STACK(%esp)

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

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

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

#ifdef DOUBLE

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

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

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

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

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

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

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

#else

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

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

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

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

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

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

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

#endif

	PROLOGUE

	subl	$ARGS, %esp

	pushl	%ebp

	pushl	%edi

	pushl	%esi

	pushl	%ebx

	PROFCODE

#define M	%esi

#define K	%edi

#define A	%ebx

#define B	%ecx

#define C	%edx

#define LDC	%ebp

	movl	STACK_K,   K

	movl	STACK_LDC, LDC

	sall	$ZBASE_SHIFT,  LDC

#ifdef LN

       movl	STACK_M, %eax

       sall	$ZBASE_SHIFT, %eax

       addl	%eax, STACK_C

       imull	K, %eax

       addl	%eax, STACK_A

#endif

#ifdef RT

       movl	STACK_N, %eax

       sall	$ZBASE_SHIFT, %eax

       imull	K, %eax

       addl	%eax, STACK_B

       movl	STACK_N, %eax

       imull	LDC, %eax

       addl	%eax, STACK_C

#endif

#ifdef RN

       movl	OFFSET, %eax

       negl	%eax

       movl	%eax, KK

#endif	

#ifdef RT

       movl	STACK_N, %eax

       subl	OFFSET, %eax

       movl	%eax, KK

#endif

	cmpl	$0, STACK_N

	jle	.L29

	cmpl	$0, STACK_M

	jle	.L29

	ALIGN_4

.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	$ZBASE_SHIFT, %eax

	subl	%eax, STACK_B

#endif

#ifdef RT

	subl	LDC, STACK_C

#endif

	movl	STACK_C, C

#ifndef RT

	addl	LDC, STACK_C

#endif

	movl	STACK_M, M

#ifdef LN

	movl	OFFSET, %eax

	addl	M, %eax

	movl	%eax, KK

#endif	

#ifdef LT

	movl	OFFSET, %eax

	movl	%eax, KK

#endif

	ALIGN_4

.L34:

#ifdef LN

       movl	K, %eax

       sall	$ZBASE_SHIFT, %eax

       subl	%eax, AORIG

#endif

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

	movl	KK, %eax

	sall	$ZBASE_SHIFT, %eax

	movl	AORIG, A

	movl	STACK_B, B

	addl	%eax,  A

	addl	%eax,  B

#else

	movl	STACK_B, B

#endif	

	fldz

	fldz

	fldz

	fldz

	FLD	4 * SIZE(B)		# B5

	FLD	4 * SIZE(A)		# A5

	FLD	0 * SIZE(B)		# B0

	FLD	0 * SIZE(A)		# A0

#ifdef HAVE_SSE

	prefetcht2	2 * SIZE(C)

#endif

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

	movl	KK, %eax

#else

	movl	K,  %eax

	subl	KK, %eax

#endif

	sarl	$2,   %eax

	je	.L37

	ALIGN_4

#define PREFETCH_OFFSET 40

.L38:

#ifdef HAVE_SSE

	prefetchnta	(PREFETCH_OFFSET) * SIZE(B)

#if (L2_SIZE == 524288)

	prefetcht0	(PREFETCH_OFFSET) * SIZE(A)

#endif

#endif

	fmul	%st, %st(1)

	FMUL	 1 * SIZE(B)

	fxch	%st(1)

	faddp	%st, %st(5)

	FLD	 0 * SIZE(B)

	fxch	%st(1)

	faddp	%st, %st(4)

	FLD	 1 * SIZE(A)

	fmul	%st, %st(1)

	FMUL	 1 * SIZE(B)

	fxch	%st(1)

	faddp	%st, %st(7)

	FLD	 2 * SIZE(B)

	fxch	%st(1)

	faddp	%st, %st(6)

	FLD	 2 * SIZE(A)

	fmul	%st, %st(1)

	FMUL	 3 * SIZE(B)

	fxch	%st(1)

	faddp	%st, %st(5)

	FLD	 2 * SIZE(B)

	fxch	%st(1)

	faddp	%st, %st(4)

	FLD	 3 * SIZE(A)

	fmul	%st, %st(1)

	FMUL	 3 * SIZE(B)

	fxch	%st(1)

	faddp	%st, %st(7)

	FLD	 8 * SIZE(B)

	fxch	%st(1)

	faddp	%st, %st(6)

	FLD	 8 * SIZE(A)

	fxch	%st(2)

#ifdef HAVE_SSE

#ifdef DOUBLE

	prefetchnta	(PREFETCH_OFFSET + 4) * SIZE(B)

#if (L2_SIZE == 524288)

	prefetcht0	(PREFETCH_OFFSET + 4) * SIZE(A)

#endif

#endif

#endif

	fmul	%st, %st(3)

	FMUL	 5 * SIZE(B)

	fxch	%st(3)

	faddp	%st, %st(5)

	FLD	 4 * SIZE(B)

	fxch	%st(3)

	faddp	%st, %st(4)

	FLD	 5 * SIZE(A)

	fmul	%st, %st(3)

	FMUL	 5 * SIZE(B)

	fxch	%st(3)

	faddp	%st, %st(7)

	FLD	 6 * SIZE(B)

	fxch	%st(3)

	faddp	%st, %st(6)

	FLD	 6 * SIZE(A)

	fmul	%st, %st(3)

	FMUL	 7 * SIZE(B)

	fxch	%st(3)

	faddp	%st, %st(5)

	FLD	 6 * SIZE(B)

	fxch	%st(3)

	faddp	%st, %st(4)

	FLD	 7 * SIZE(A)

	fmul	%st, %st(3)

	FMUL	 7 * SIZE(B)

	fxch	%st(3)

	faddp	%st, %st(7)

	FLD	12 * SIZE(B)

	fxch	%st(3)

	faddp	%st, %st(6)

	FLD	12 * SIZE(A)

	fxch	%st(2)

	subl	$-8 * SIZE, B

	subl	$-8 * SIZE, A

	decl	%eax

	jg	.L38

	ALIGN_4

.L37:

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

	movl	KK, %eax

#else

	movl	K,  %eax

	subl	KK, %eax

#endif

	andl	$3,  %eax

	jle	.L43

	ALIGN_2

.L54:

	fmul	%st, %st(1)

	FMUL	 1 * SIZE(B)

	fxch	%st(1)

	faddp	%st, %st(5)

	FLD	 0 * SIZE(B)

	fxch	%st(1)

	faddp	%st, %st(4)

	FLD	 1 * SIZE(A)

	fmul	%st, %st(1)

	FMUL	 1 * SIZE(B)

	fxch	%st(1)

	faddp	%st, %st(7)

	FLD	 2 * SIZE(B)

	fxch	%st(1)

	faddp	%st, %st(6)

	FLD	 2 * SIZE(A)

	addl	$2 * SIZE, A

	addl	$2 * SIZE, B

	decl	%eax

	jg	.L54

	ALIGN_3

.L43:

	ffreep	%st(0)

	ffreep	%st(0)

	ffreep	%st(0)

	ffreep	%st(0)

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

#ifndef CONJ

	faddp	%st, %st(3)		# ctemp3 += ctemp4

	fsubp	%st, %st(1)		# ctemp1 += ctemp2

#else

	fsubp	%st, %st(3)		# ctemp1 += ctemp2

	faddp	%st, %st(1)		# ctemp3 += ctemp4

#endif

#endif

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

#ifndef CONJ

	faddp	%st, %st(3)		# ctemp3 += ctemp4

	fsubp	%st, %st(1)		# ctemp1 += ctemp2

#else

	fsubrp	%st, %st(3)		# ctemp1 += ctemp2

	faddp	%st, %st(1)		# ctemp3 += ctemp4

#endif

#endif

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

	movl	KK, %eax

	subl	$1, %eax

	sall	$ZBASE_SHIFT, %eax

	movl	AORIG, A

	movl	STACK_B, B

	addl	%eax, A

	addl	%eax, B

#endif

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

	FLD	0 * SIZE(B)

	fsubp	%st, %st(1)

	FLD	1 * SIZE(B)

	fsubp	%st, %st(2)

#else

	FLD	0 * SIZE(A)

	fsubp	%st, %st(1)

	FLD	1 * SIZE(A)

	fsubp	%st, %st(2)

#endif

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

	FLD	0 * SIZE(A)

	fmul	%st(1), %st

	FLD	0 * SIZE(A)

	fmul	%st(3), %st

	FLD	1 * SIZE(A)

	fmulp	%st, %st(3)

	FLD	1 * SIZE(A)

	fmulp	%st, %st(4)

#endif

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

	FLD	0 * SIZE(B)

	fmul	%st(1), %st

	FLD	0 * SIZE(B)

	fmul	%st(3), %st

	FLD	1 * SIZE(B)

	fmulp	%st, %st(3)

	FLD	1 * SIZE(B)

	fmulp	%st, %st(4)

#endif

#ifndef CONJ

	faddp	%st, %st(2)

	fsubp	%st, %st(2)

#else

	fsubp	%st, %st(2)

	faddp	%st, %st(2)

#endif

#ifdef LN

	subl	$2 * SIZE, C

#endif

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

	FSTU	1 * SIZE(B)

	fxch	%st(1)

	FSTU	0 * SIZE(B)

#else

	FSTU	1 * SIZE(A)

	fxch	%st(1)

	FSTU	0 * SIZE(A)

#endif

	FST	0 * SIZE(C)

	FST	1 * SIZE(C)

#ifndef LN

	addl	$2 * SIZE, C

#endif

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

	movl	K,  %eax

	subl	KK, %eax

	sall	$ZBASE_SHIFT, %eax

	addl	%eax, A

	addl	%eax, B

#endif

#ifdef LN

	subl	$1, KK

#endif

#ifdef LT

	addl	$1, KK

#endif

#ifdef RT

       movl	K, %eax

       sall	$ZBASE_SHIFT, %eax

       addl	%eax, AORIG

#endif

	decl	M

	jg	.L34

	ALIGN_2

.L33:

#ifdef LN

	movl	K, %eax

	sall	$ZBASE_SHIFT, %eax

	addl	%eax, STACK_B

#endif

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

	movl	B, STACK_B

#endif

#ifdef RN

	addl	$1, KK

#endif

#ifdef RT

	subl	$1, KK

#endif

	decl	STACK_N

	jg	.L30

	ALIGN_2

.L29:

	popl	%ebx

	popl	%esi

	popl	%edi

	popl	%ebp

	addl	$ARGS, %esp

	ret

	EPILOGUE