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

/* 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	$4

#define	N	$5

#define A	$8

#define LDA	$9

#define X	$10

#define INCX	$11

#define Y	$2

#define INCY	$6

#define BUFFER	$7

#define YORIG	$3

#define XX	$12

#define YY	$13

#define I	$14

#define J	$15

#define AO1	$16

#define AO2	$17

#define ALPHA	$f15

#define a1	$f0

#define a2	$f1

#define a3	$f2

#define a4	$f3

#define a5	$f4

#define a6	$f5

#define a7	$f6

#define a8	$f7

#define x1	$f8

#define x2	$f9

#define y1	$f10

#define y2	$f11

#define y3	$f12

#define y4	$f13

#define y5	$f14

#define y6	$f16

#define y7	$f17

#define y8	$f18

#define t1	$f19

#define t2	$f20

#define t3	$f21

#define t4	$f22

	PROLOGUE

	LDARG	Y,       0($sp)

	LDARG	INCY,    8($sp)

	LDARG	BUFFER, 16($sp)

#ifdef __64BIT__

	daddiu	$sp, $sp, -16

#else

	daddiu	$sp, $sp, -48

#endif

	SDARG	$16,   0($sp)

	SDARG	$17,   8($sp)

	dsll	LDA,  LDA,  BASE_SHIFT

#ifndef __64BIT__

	sdc1	$f20, 16($sp)

	sdc1	$f21, 24($sp)

	sdc1	$f22, 32($sp)

#endif

	blez	M, .L999

	dsll	INCX, INCX, BASE_SHIFT

	blez	N, .L999

	dsll	INCY, INCY, BASE_SHIFT

	li	YORIG, SIZE

	beq	INCY, YORIG, .L10

	move	YORIG, Y

	dsra	I,  M, 2

	move	YORIG, BUFFER

	move	XX, Y

	blez	I, .L05

	move	YY, BUFFER

	.align 3

.L02:

	LD	a1, 0 * SIZE(XX)

	daddu	XX, XX, INCY

	LD	a2, 0 * SIZE(XX)

	daddu	XX, XX, INCY

	LD	a3, 0 * SIZE(XX)

	daddu	XX, XX, INCY

	LD	a4, 0 * SIZE(XX)

	daddu	XX, XX, INCY

	ST	a1, 0 * SIZE(YY)

	ST	a2, 1 * SIZE(YY)

	ST	a3, 2 * SIZE(YY)

	ST	a4, 3 * SIZE(YY)

	daddiu	I, I, -1

	bgtz	I, .L02

	daddiu	YY, YY, 4 * SIZE

	.align 3

.L05:

	andi	I,  M, 3

	blez	I, .L10

	NOP

	.align 3

.L06:

	LD	a1, 0 * SIZE(XX)

	daddu	XX, XX, INCY

	ST	a1, 0 * SIZE(YY)

	daddiu	I, I, -1

	bgtz	I, .L06

	daddiu	YY, YY, 1 * SIZE

	.align 3

.L10:

	dsra	J,  N, 1

	blez	J, .L20

	NOP

	.align 3

.L11:

	LD	x1, 0 * SIZE(X)

	daddu	X, X, INCX

	LD	x2, 0 * SIZE(X)

	daddu	X, X, INCX

	move	AO1, A

	daddu	AO2, A,   LDA

	daddu	A,   AO2, LDA

	move	YY, YORIG

	MUL	x1, ALPHA, x1

	dsra	I,  M, 3

	blez	I, .L15

	MUL	x2, ALPHA, x2

	LD	a1, 0 * SIZE(AO1)

	LD	y1, 0 * SIZE(YY)

	LD	a2, 1 * SIZE(AO1)

	LD	y2, 1 * SIZE(YY)

	LD	a3, 2 * SIZE(AO1)

	LD	y3, 2 * SIZE(YY)

	LD	a4, 3 * SIZE(AO1)

	LD	y4, 3 * SIZE(YY)

	LD	a5, 0 * SIZE(AO2)

	LD	y5, 4 * SIZE(YY)

	LD	a6, 1 * SIZE(AO2)

	LD	y6, 5 * SIZE(YY)

	LD	a7, 2 * SIZE(AO2)

	LD	y7, 6 * SIZE(YY)

	LD	a8, 3 * SIZE(AO2)

	daddiu	I, I, -1

	blez	I, .L13

	LD	y8, 7 * SIZE(YY)

	.align	3

.L12:

	MADD	t1, y1, x1, a1

	LD	a1,  4 * SIZE(AO1)

	MADD	t2, y2, x1, a2

	LD	a2,  5 * SIZE(AO1)

	LD	y1,  8 * SIZE(YY)

	LD	y2,  9 * SIZE(YY)

	MADD	t3, y3, x1, a3

	LD	a3,  6 * SIZE(AO1)

	MADD	t4, y4, x1, a4

	LD	a4,  7 * SIZE(AO1)

	LD	y3, 10 * SIZE(YY)

	LD	y4, 11 * SIZE(YY)

	MADD	t1, t1, x2, a5

	LD	a5,  4 * SIZE(AO2)

	MADD	t2, t2, x2, a6

	LD	a6,  5 * SIZE(AO2)

	MADD	t3, t3, x2, a7

	LD	a7,  6 * SIZE(AO2)

	MADD	t4, t4, x2, a8

	LD	a8,  7 * SIZE(AO2)

	ST	t1,  0 * SIZE(YY)

	ST	t2,  1 * SIZE(YY)

	ST	t3,  2 * SIZE(YY)

	ST	t4,  3 * SIZE(YY)

	MADD	t1, y5, x1, a1

	LD	a1,  8 * SIZE(AO1)

	MADD	t2, y6, x1, a2

	LD	a2,  9 * SIZE(AO1)

	LD	y5, 12 * SIZE(YY)

	LD	y6, 13 * SIZE(YY)

	MADD	t3, y7, x1, a3

	LD	a3, 10 * SIZE(AO1)

	MADD	t4, y8, x1, a4

	LD	a4, 11 * SIZE(AO1)

	LD	y7, 14 * SIZE(YY)

	LD	y8, 15 * SIZE(YY)

	MADD	t1, t1, x2, a5

	LD	a5,  8 * SIZE(AO2)

	MADD	t2, t2, x2, a6

	LD	a6,  9 * SIZE(AO2)

	MADD	t3, t3, x2, a7

	LD	a7, 10 * SIZE(AO2)

	MADD	t4, t4, x2, a8

	LD	a8, 11 * SIZE(AO2)

	ST	t1, 4 * SIZE(YY)

	ST	t2, 5 * SIZE(YY)

	ST	t3, 6 * SIZE(YY)

	ST	t4, 7 * SIZE(YY)

	daddiu	I, I, -1

	daddiu	YY,  YY,   8 * SIZE

	daddiu	AO1, AO1,  8 * SIZE

	bgtz	I, .L12

	daddiu	AO2, AO2,  8 * SIZE

	.align 3

.L13:

	MADD	t1, y1, x1, a1

	LD	a1,  4 * SIZE(AO1)

	MADD	t2, y2, x1, a2

	LD	a2,  5 * SIZE(AO1)

	MADD	t3, y3, x1, a3

	LD	a3,  6 * SIZE(AO1)

	MADD	t4, y4, x1, a4

	LD	a4,  7 * SIZE(AO1)

	MADD	t1, t1, x2, a5

	LD	a5,  4 * SIZE(AO2)

	MADD	t2, t2, x2, a6

	LD	a6,  5 * SIZE(AO2)

	MADD	t3, t3, x2, a7

	LD	a7,  6 * SIZE(AO2)

	MADD	t4, t4, x2, a8

	LD	a8,  7 * SIZE(AO2)

	ST	t1,  0 * SIZE(YY)

	MADD	t1, y5, x1, a1

	ST	t2,  1 * SIZE(YY)

	MADD	t2, y6, x1, a2

	ST	t3,  2 * SIZE(YY)

	MADD	t3, y7, x1, a3

	ST	t4,  3 * SIZE(YY)

	MADD	t4, y8, x1, a4

	MADD	t1, t1, x2, a5

	daddiu	AO1, AO1,  8 * SIZE

	MADD	t2, t2, x2, a6

	daddiu	AO2, AO2,  8 * SIZE

	MADD	t3, t3, x2, a7

	daddiu	YY,  YY,   8 * SIZE

	MADD	t4, t4, x2, a8

	NOP

	ST	t1, -4 * SIZE(YY)

	ST	t2, -3 * SIZE(YY)

	ST	t3, -2 * SIZE(YY)

	ST	t4, -1 * SIZE(YY)

	.align 3

.L15:

	andi	I,  M, 4

	NOP

	blez	I, .L16

	NOP

	LD	a1, 0 * SIZE(AO1)

	LD	y1, 0 * SIZE(YY)

	LD	a2, 1 * SIZE(AO1)

	LD	y2, 1 * SIZE(YY)

	LD	a3, 2 * SIZE(AO1)

	LD	y3, 2 * SIZE(YY)

	LD	a4, 3 * SIZE(AO1)

	LD	y4, 3 * SIZE(YY)

	LD	a5, 0 * SIZE(AO2)

	MADD	y1, y1, x1, a1

	LD	a6, 1 * SIZE(AO2)

	MADD	y2, y2, x1, a2

	LD	a7, 2 * SIZE(AO2)

	MADD	y3, y3, x1, a3

	LD	a8, 3 * SIZE(AO2)

	MADD	y4, y4, x1, a4

	MADD	y1, y1, x2, a5

	daddiu	YY,  YY,   4 * SIZE

	MADD	y2, y2, x2, a6

	daddiu	AO1, AO1,  4 * SIZE

	MADD	y3, y3, x2, a7

	daddiu	AO2, AO2,  4 * SIZE

	MADD	y4, y4, x2, a8

	ST	y1, -4 * SIZE(YY)

	ST	y2, -3 * SIZE(YY)

	ST	y3, -2 * SIZE(YY)

	ST	y4, -1 * SIZE(YY)

	.align 3

.L16:

	andi	I,  M, 2

	NOP

	blez	I, .L17

	NOP

	LD	a1, 0 * SIZE(AO1)

	LD	y1, 0 * SIZE(YY)

	LD	a2, 1 * SIZE(AO1)

	LD	y2, 1 * SIZE(YY)

	LD	a5, 0 * SIZE(AO2)

	LD	a6, 1 * SIZE(AO2)

	MADD	y1, y1, x1, a1

	NOP

	MADD	y2, y2, x1, a2

	daddiu	YY,  YY,   2 * SIZE

	MADD	y1, y1, x2, a5

	daddiu	AO1, AO1,  2 * SIZE

	MADD	y2, y2, x2, a6

	daddiu	AO2, AO2,  2 * SIZE

	ST	y1, -2 * SIZE(YY)

	ST	y2, -1 * SIZE(YY)

	.align 3

.L17:

	andi	I,  M, 1

	NOP

	blez	I, .L19

	NOP

	LD	y1, 0 * SIZE(YY)

	LD	a1, 0 * SIZE(AO1)

	LD	a5, 0 * SIZE(AO2)

	MADD	y1, y1, x1, a1

	MADD	y1, y1, x2, a5

	ST	y1, 0 * SIZE(YY)

	.align 3

.L19:

	daddiu	J, J, -1

	bgtz	J, .L11

	NOP

	.align 3

.L20:

	andi	J,  N, 1

	blez	J, .L900

	NOP

	.align 3

.L21:

	LD	x1, 0 * SIZE(X)

	daddu	X, X, INCX

	move	YY, YORIG

	move	AO1, A

	dsra	I,  M, 3

	blez	I, .L25

	MUL	x1, ALPHA, x1

	LD	a1, 0 * SIZE(AO1)

	LD	y1, 0 * SIZE(YY)

	LD	a2, 1 * SIZE(AO1)

	LD	y2, 1 * SIZE(YY)

	LD	a3, 2 * SIZE(AO1)

	LD	y3, 2 * SIZE(YY)

	LD	a4, 3 * SIZE(AO1)

	LD	y4, 3 * SIZE(YY)

	LD	y5, 4 * SIZE(YY)

	LD	y6, 5 * SIZE(YY)

	LD	y7, 6 * SIZE(YY)

	daddiu	I, I, -1

	blez	I, .L23

	LD	y8, 7 * SIZE(YY)

	.align	3

.L22:

	MADD	t1, y1, x1, a1

	LD	a1,  4 * SIZE(AO1)

	MADD	t2, y2, x1, a2

	LD	a2,  5 * SIZE(AO1)

	LD	y1,  8 * SIZE(YY)

	LD	y2,  9 * SIZE(YY)

	MADD	t3, y3, x1, a3

	LD	a3,  6 * SIZE(AO1)

	MADD	t4, y4, x1, a4

	LD	a4,  7 * SIZE(AO1)

	LD	y3, 10 * SIZE(YY)

	LD	y4, 11 * SIZE(YY)

	ST	t1,  0 * SIZE(YY)

	ST	t2,  1 * SIZE(YY)

	ST	t3,  2 * SIZE(YY)

	ST	t4,  3 * SIZE(YY)

	MADD	t1, y5, x1, a1

	LD	a1,  8 * SIZE(AO1)

	MADD	t2, y6, x1, a2

	LD	a2,  9 * SIZE(AO1)

	LD	y5, 12 * SIZE(YY)

	LD	y6, 13 * SIZE(YY)

	MADD	t3, y7, x1, a3

	LD	a3, 10 * SIZE(AO1)

	MADD	t4, y8, x1, a4

	LD	a4, 11 * SIZE(AO1)

	LD	y7, 14 * SIZE(YY)

	LD	y8, 15 * SIZE(YY)

	ST	t1, 4 * SIZE(YY)

	ST	t2, 5 * SIZE(YY)

	ST	t3, 6 * SIZE(YY)

	ST	t4, 7 * SIZE(YY)

	daddiu	I, I, -1

	daddiu	YY,  YY,   8 * SIZE

	bgtz	I, .L22

	daddiu	AO1, AO1,  8 * SIZE

	.align 3

.L23:

	MADD	t1, y1, x1, a1

	LD	a1,  4 * SIZE(AO1)

	MADD	t2, y2, x1, a2

	LD	a2,  5 * SIZE(AO1)

	MADD	t3, y3, x1, a3

	LD	a3,  6 * SIZE(AO1)

	MADD	t4, y4, x1, a4

	LD	a4,  7 * SIZE(AO1)

	ST	t1,  0 * SIZE(YY)

	MADD	t1, y5, x1, a1

	ST	t2,  1 * SIZE(YY)

	MADD	t2, y6, x1, a2

	ST	t3,  2 * SIZE(YY)

	MADD	t3, y7, x1, a3

	ST	t4,  3 * SIZE(YY)

	MADD	t4, y8, x1, a4

	ST	t1,  4 * SIZE(YY)

	ST	t2,  5 * SIZE(YY)

	ST	t3,  6 * SIZE(YY)

	ST	t4,  7 * SIZE(YY)

	daddiu	AO1, AO1,  8 * SIZE

	daddiu	YY,  YY,   8 * SIZE

	.align 3

.L25:

	andi	I,  M, 4

	NOP

	blez	I, .L26

	NOP

	LD	a1, 0 * SIZE(AO1)

	LD	y1, 0 * SIZE(YY)

	LD	a2, 1 * SIZE(AO1)

	LD	y2, 1 * SIZE(YY)

	LD	a3, 2 * SIZE(AO1)

	LD	y3, 2 * SIZE(YY)

	LD	a4, 3 * SIZE(AO1)

	LD	y4, 3 * SIZE(YY)

	MADD	y1, y1, x1, a1

	MADD	y2, y2, x1, a2

	MADD	y3, y3, x1, a3

	daddiu	YY,  YY,   4 * SIZE

	MADD	y4, y4, x1, a4

	daddiu	AO1, AO1,  4 * SIZE

	ST	y1, -4 * SIZE(YY)

	ST	y2, -3 * SIZE(YY)

	ST	y3, -2 * SIZE(YY)

	ST	y4, -1 * SIZE(YY)

	.align 3

.L26:

	andi	I,  M, 2

	NOP

	blez	I, .L27

	NOP

	LD	a1, 0 * SIZE(AO1)

	LD	y1, 0 * SIZE(YY)

	LD	a2, 1 * SIZE(AO1)

	LD	y2, 1 * SIZE(YY)

	MADD	y1, y1, x1, a1

	daddiu	YY,  YY,   2 * SIZE

	MADD	y2, y2, x1, a2

	daddiu	AO1, AO1,  2 * SIZE

	ST	y1, -2 * SIZE(YY)

	ST	y2, -1 * SIZE(YY)

	.align 3

.L27:

	andi	I,  M, 1

	NOP

	blez	I, .L900

	NOP

	LD	y1, 0 * SIZE(YY)

	LD	a1, 0 * SIZE(AO1)

	MADD	y1, y1, x1, a1

	ST	y1, 0 * SIZE(YY)

	.align 3

.L900:

	li	YORIG, SIZE

	beq	INCY, YORIG, .L999

	dsra	I,  M, 2

	blez	I, .L905

	move	XX, BUFFER

	.align 3

.L902:

	LD	a1, 0 * SIZE(XX)

	LD	a2, 1 * SIZE(XX)

	LD	a3, 2 * SIZE(XX)

	LD	a4, 3 * SIZE(XX)

	ST	a1, 0 * SIZE(Y)

	daddu	Y, Y, INCY

	ST	a2, 0 * SIZE(Y)

	daddu	Y, Y, INCY

	ST	a3, 0 * SIZE(Y)

	daddu	Y, Y, INCY

	ST	a4, 0 * SIZE(Y)

	daddu	Y, Y, INCY

	daddiu	I, I, -1

	bgtz	I, .L902

	daddiu	XX, XX, 4 * SIZE

	.align 3

.L905:

	andi	I,  M, 3

	blez	I, .L999

	NOP

	.align 3

.L906:

	LD	a1, 0 * SIZE(XX)

	daddiu	XX, XX, 1 * SIZE

	ST	a1, 0 * SIZE(Y)

	daddiu	I, I, -1

	bgtz	I, .L906

	daddu	Y, Y, INCY

	.align 3

.L999:

	LDARG	$16,   0($sp)

	LDARG	$17,   8($sp)

#ifndef __64BIT__

	ldc1	$f20, 16($sp)

	ldc1	$f21, 24($sp)

	ldc1	$f22, 32($sp)

#endif

	j	$31

#ifdef __64BIT__

	daddiu	$sp, $sp, 16

#else

	daddiu	$sp, $sp, 48

#endif

	EPILOGUE