/*********************************************************************/
/*                                                                   */
/*             Optimized BLAS libraries                              */
/*                     By Kazushige Goto <kgoto@tacc.utexas.edu>     */
/*                                                                   */
/* Copyright (c) The University of Texas, 2009. All rights reserved. */
/* UNIVERSITY EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES CONCERNING  */
/* THIS SOFTWARE AND DOCUMENTATION, INCLUDING ANY WARRANTIES OF      */
/* MERCHANTABILITY, FITNESS FOR ANY PARTICULAR PURPOSE,              */
/* NON-INFRINGEMENT AND WARRANTIES OF PERFORMANCE, AND ANY WARRANTY  */
/* THAT MIGHT OTHERWISE ARISE FROM COURSE OF DEALING OR USAGE OF     */
/* TRADE. NO WARRANTY IS EITHER EXPRESS OR IMPLIED WITH RESPECT TO   */
/* THE USE OF THE SOFTWARE OR DOCUMENTATION.                         */
/* Under no circumstances shall University be liable for incidental, */
/* special, indirect, direct or consequential damages or loss of     */
/* profits, interruption of business, or related expenses which may  */
/* arise from use of Software or Documentation, including but not    */
/* limited to those resulting from defects in Software and/or        */
/* Documentation, or loss or inaccuracy of data of any kind.         */
/*********************************************************************/

#define ASSEMBLER
#include "common.h"
#include "version.h"

#define PREFETCHSIZE	88

#define N	$16
#define X	$17
#define INCX	$18
#define Y	$19
#define INCY	$20
#define XX	$21
#define YY	$23

#define I	$5

#define s0	$f0
#define s1	$f1
#define s2	$f2
#define s3	$f30

#define a0	$f10
#define a1	$f11
#define a2	$f12
#define a3	$f13
#define a4	$f14
#define a5	$f15
#define a6	$f16
#define a7	$f17

#define b0	$f18
#define b1	$f19
#define b2	$f20
#define b3	$f21
#define b4	$f22
#define b5	$f23
#define b6	$f24
#define b7	$f25

#define t0	$f26
#define t1	$f27
#define t2	$f28
#define t3	$f29

	PROLOGUE
	PROFCODE
	.frame	$sp, 16, $26, 0

	lda	$sp, -16($sp)
	fclr	s0
	stt	$f2,   0($sp)
	fclr	s1

	fclr	s2
	addq	INCX, INCX, INCX
	fclr	s3
	ble	N,  $L999

	addq	INCY, INCY, INCY
	fclr	t0
	fclr	t1
	fclr	t2
	fclr	t3

	srl	N, 3, I
	ble	I, $L25

	LD	a0, 0 * SIZE(X)
	LD	a1, 1 * SIZE(X)
	LD	b0, 0 * SIZE(Y)
	LD	b1, 1 * SIZE(Y)

	SXADDQ	INCX, X, X
	SXADDQ	INCY, Y, Y

	LD	a2, 0 * SIZE(X)
	LD	a3, 1 * SIZE(X)
	LD	b2, 0 * SIZE(Y)
	LD	b3, 1 * SIZE(Y)

	SXADDQ	INCX, X, X
	SXADDQ	INCY, Y, Y

	LD	a4, 0 * SIZE(X)
	LD	a5, 1 * SIZE(X)
	LD	b4, 0 * SIZE(Y)
	LD	b5, 1 * SIZE(Y)

	SXADDQ	INCX, X, X
	SXADDQ	INCY, Y, Y

	LD	a6, 0 * SIZE(X)
	LD	b6, 0 * SIZE(Y)

	subq	I,   1, I
	ble	I, $L23
	.align 4

$L22:
	ADD	s0, t0, s0
	LD	a7, 1 * SIZE(X)
	MUL	a0, b0, t0
	LD	b7, 1 * SIZE(Y)

	ADD	s1, t1, s1
	ldl	$31, PREFETCHSIZE * SIZE(X)
	MUL	a0, b1, t1
	SXADDQ	INCX, X, X

	ADD	s2, t2, s2
	ldl	$31, PREFETCHSIZE * SIZE(Y)
	MUL	a1, b0, t2
	SXADDQ	INCY, Y, Y

	ADD	s3, t3, s3
	LD	a0, 0 * SIZE(X)
	MUL	a1, b1, t3
	LD	a1, 1 * SIZE(X)

	ADD	s0, t0, s0
	LD	b0, 0 * SIZE(Y)
	MUL	a2, b2, t0
	LD	b1, 1 * SIZE(Y)

	ADD	s1, t1, s1
	SXADDQ	INCX, X, X
	MUL	a2, b3, t1
	SXADDQ	INCY, Y, Y

	ADD	s2, t2, s2
	unop
	MUL	a3, b2, t2
	unop

	ADD	s3, t3, s3
	LD	a2, 0 * SIZE(X)
	MUL	a3, b3, t3
	LD	a3, 1 * SIZE(X)

	ADD	s0, t0, s0
	LD	b2, 0 * SIZE(Y)
	MUL	a4, b4, t0
	LD	b3, 1 * SIZE(Y)

	ADD	s1, t1, s1
	SXADDQ	INCX, X, X
	MUL	a4, b5, t1
	SXADDQ	INCY, Y, Y

	ADD	s2, t2, s2
	unop
	MUL	a5, b4, t2
	unop

	ADD	s3, t3, s3
	LD	a4, 0 * SIZE(X)
	MUL	a5, b5, t3
	LD	a5, 1 * SIZE(X)

	ADD	s0, t0, s0
	LD	b4, 0 * SIZE(Y)
	MUL	a6, b6, t0
	LD	b5, 1 * SIZE(Y)

	ADD	s1, t1, s1
	SXADDQ	INCX, X, X
	MUL	a6, b7, t1
	SXADDQ	INCY, Y, Y

	ADD	s2, t2, s2
	unop
	MUL	a7, b6, t2
	unop

	ADD	s3, t3, s3
	LD	a6, 0 * SIZE(X)
	MUL	a7, b7, t3
	LD	a7, 1 * SIZE(X)

	ADD	s0, t0, s0
	LD	b6, 0 * SIZE(Y)
	MUL	a0, b0, t0
	LD	b7, 1 * SIZE(Y)

	ADD	s1, t1, s1
	SXADDQ	INCX, X, X
	MUL	a0, b1, t1
	SXADDQ	INCY, Y, Y

	ADD	s2, t2, s2
	unop
	MUL	a1, b0, t2
	unop

	ADD	s3, t3, s3
	LD	a0, 0 * SIZE(X)
	MUL	a1, b1, t3
	LD	a1, 1 * SIZE(X)

	ADD	s0, t0, s0
	LD	b0, 0 * SIZE(Y)
	MUL	a2, b2, t0
	LD	b1, 1 * SIZE(Y)

	ADD	s1, t1, s1
	SXADDQ	INCX, X, X
	MUL	a2, b3, t1
	SXADDQ	INCY, Y, Y

	ADD	s2, t2, s2
	unop
	MUL	a3, b2, t2
	unop

	ADD	s3, t3, s3
	LD	a2, 0 * SIZE(X)
	MUL	a3, b3, t3
	LD	a3, 1 * SIZE(X)

	ADD	s0, t0, s0
	LD	b2, 0 * SIZE(Y)
	MUL	a4, b4, t0
	LD	b3, 1 * SIZE(Y)

	ADD	s1, t1, s1
	SXADDQ	INCX, X, X
	MUL	a4, b5, t1
	SXADDQ	INCY, Y, Y

	ADD	s2, t2, s2
	unop
	MUL	a5, b4, t2
	subq	I,   1, I

	ADD	s3, t3, s3
	LD	a4, 0 * SIZE(X)
	MUL	a5, b5, t3
	LD	a5, 1 * SIZE(X)

	ADD	s0, t0, s0
	LD	b4, 0 * SIZE(Y)
	MUL	a6, b6, t0
	LD	b5, 1 * SIZE(Y)

	ADD	s1, t1, s1
	SXADDQ	INCX, X, X
	MUL	a6, b7, t1
	SXADDQ	INCY, Y, Y

	ADD	s2, t2, s2
	LD	a6, 0 * SIZE(X)
	MUL	a7, b6, t2
	unop

	ADD	s3, t3, s3
	LD	b6, 0 * SIZE(Y)
	MUL	a7, b7, t3
	bgt	I, $L22
	.align 4

$L23:
	ADD	s0, t0, s0
	LD	a7, 1 * SIZE(X)
	MUL	a0, b0, t0
	LD	b7, 1 * SIZE(Y)

	ADD	s1, t1, s1
	SXADDQ	INCX, X, X
	MUL	a0, b1, t1
	SXADDQ	INCY, Y, Y

	ADD	s2, t2, s2
	unop
	MUL	a1, b0, t2
	unop

	ADD	s3, t3, s3
	LD	a0, 0 * SIZE(X)
	MUL	a1, b1, t3
	LD	a1, 1 * SIZE(X)

	ADD	s0, t0, s0
	LD	b0, 0 * SIZE(Y)
	MUL	a2, b2, t0
	LD	b1, 1 * SIZE(Y)

	ADD	s1, t1, s1
	SXADDQ	INCX, X, X
	MUL	a2, b3, t1
	SXADDQ	INCY, Y, Y

	ADD	s2, t2, s2
	unop
	MUL	a3, b2, t2
	unop

	ADD	s3, t3, s3
	LD	a2, 0 * SIZE(X)
	MUL	a3, b3, t3
	LD	a3, 1 * SIZE(X)

	ADD	s0, t0, s0
	LD	b2, 0 * SIZE(Y)
	MUL	a4, b4, t0
	LD	b3, 1 * SIZE(Y)

	ADD	s1, t1, s1
	SXADDQ	INCX, X, X
	MUL	a4, b5, t1
	SXADDQ	INCY, Y, Y

	ADD	s2, t2, s2
	unop
	MUL	a5, b4, t2
	unop

	ADD	s3, t3, s3
	LD	a4, 0 * SIZE(X)
	MUL	a5, b5, t3
	LD	a5, 1 * SIZE(X)

	ADD	s0, t0, s0
	LD	b4, 0 * SIZE(Y)
	MUL	a6, b6, t0
	LD	b5, 1 * SIZE(Y)

	ADD	s1, t1, s1
	SXADDQ	INCX, X, X
	MUL	a6, b7, t1
	SXADDQ	INCY, Y, Y

	ADD	s2, t2, s2
	unop
	MUL	a7, b6, t2
	unop

	ADD	s3, t3, s3
	LD	a6, 0 * SIZE(X)
	MUL	a7, b7, t3
	LD	a7, 1 * SIZE(X)

	ADD	s0, t0, s0
	LD	b6, 0 * SIZE(Y)
	MUL	a0, b0, t0
	LD	b7, 1 * SIZE(Y)

	ADD	s1, t1, s1
	SXADDQ	INCX, X, X
	MUL	a0, b1, t1
	SXADDQ	INCY, Y, Y

	ADD	s2, t2, s2
	MUL	a1, b0, t2
	ADD	s3, t3, s3
	MUL	a1, b1, t3

	ADD	s0, t0, s0
	MUL	a2, b2, t0
	ADD	s1, t1, s1
	MUL	a2, b3, t1

	ADD	s2, t2, s2
	MUL	a3, b2, t2
	ADD	s3, t3, s3
	MUL	a3, b3, t3

	ADD	s0, t0, s0
	MUL	a4, b4, t0
	ADD	s1, t1, s1
	MUL	a4, b5, t1

	ADD	s2, t2, s2
	MUL	a5, b4, t2
	ADD	s3, t3, s3
	MUL	a5, b5, t3

	ADD	s0, t0, s0
	MUL	a6, b6, t0
	ADD	s1, t1, s1
	MUL	a6, b7, t1

	ADD	s2, t2, s2
	MUL	a7, b6, t2
	ADD	s3, t3, s3
	MUL	a7, b7, t3
	.align 4

$L25:
	and	N, 7, I
	unop
	unop
	ble	I, $L998

	LD	a0, 0 * SIZE(X)
	LD	a1, 1 * SIZE(X)
	LD	b0, 0 * SIZE(Y)
	LD	b1, 1 * SIZE(Y)

	SXADDQ	INCX, X, X
	subq	I, 1, I
	SXADDQ	INCY, Y, Y
	ble	I, $L28
	.align 4

$L26:
	ADD	s0, t0, s0
	mov	X, XX
	MUL	a0, b0, t0
	mov	Y, YY

	ADD	s1, t1, s1
	SXADDQ	INCX, X, X
	MUL	a0, b1, t1
	SXADDQ	INCY, Y, Y

	ADD	s2, t2, s2
	LD	a0, 0 * SIZE(XX)
	MUL	a1, b0, t2
	LD	b0, 0 * SIZE(YY)

	ADD	s3, t3, s3
	subq	I, 1, I
	MUL	a1, b1, t3
	LD	a1, 1 * SIZE(XX)

	LD	b1, 1 * SIZE(YY)
	bgt	I, $L26
	.align 4

$L28:
	ADD	s0, t0, s0
	MUL	a0, b0, t0
	ADD	s1, t1, s1
	MUL	a0, b1, t1

	ADD	s2, t2, s2
	MUL	a1, b0, t2
	ADD	s3, t3, s3
	MUL	a1, b1, t3
	.align 4

$L998:
	ADD	s0, t0, s0
	ADD	s1, t1, s1
	ADD	s2, t2, s2
	ADD	s3, t3, s3

#ifndef CONJ
	SUB	s0, s3, s0
	ADD	s1, s2, s1
#else
	ADD	s0, s3, s0
	SUB	s1, s2, s1
#endif
	.align 4

$L999:
	ldt	$f2,  0($sp)
	lda	$sp, 16($sp)
	ret

	EPILOGUE
