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

/* 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	r3

#define	N	r4

#define	C	r10

#define	LDC	r11

#define	J	r5

#define PRE	r6

#define	CO1	r7

#define ALPHA_R	f30

#define ALPHA_I	f31

#define STACKSIZE 32

	PROLOGUE

	PROFCODE

	addi	SP, SP, -STACKSIZE

	li	r0, 0

	stfd	f30,    0(SP)

	stfd	f31,    8(SP)

	stw	r0,    16(SP)

#ifdef linux

#ifndef __64BIT__

	lwz	LDC,      8 + STACKSIZE(SP)

#else

	ld	C,      120 + STACKSIZE(SP)

	ld	LDC,    128 + STACKSIZE(SP)

#endif

#endif

#if defined(_AIX) || defined(__APPLE__)

#ifdef __64BIT__

	ld	C,      120 + STACKSIZE(SP)

	ld	LDC,    128 + STACKSIZE(SP)

#else

#ifdef DOUBLE

	lwz	C,       68 + STACKSIZE(SP)

	lwz	LDC,     72 + STACKSIZE(SP)

#else

	lwz	C,       60 + STACKSIZE(SP)

	lwz	LDC,     64 + STACKSIZE(SP)

#endif

#endif

#endif

	slwi	LDC, LDC, ZBASE_SHIFT

	lfs	f0,    16(SP)

	fmr	ALPHA_R, f1

	fmr	ALPHA_I, f2

	cmpwi	cr0, M, 0

	ble-	LL(999)

	cmpwi	cr0, N, 0

	ble-	LL(999)

	mr	J, N

	fcmpu	cr7, f1, f0

	bne	cr7, LL(20)

	fcmpu	cr7, f2, f0

	bne	cr7, LL(20)

	.align 4

LL(10):

	mr	CO1, C

	add	C,  C, LDC

	addi	PRE, 0, 32 * SIZE

	srawi.	r0,  M,  3

	mtspr	CTR, r0

	ble	LL(15)

	.align 4

LL(12):

	STFD	f0,   0 * SIZE(CO1)

	STFD	f0,   1 * SIZE(CO1)

	STFD	f0,   2 * SIZE(CO1)

	STFD	f0,   3 * SIZE(CO1)

	STFD	f0,   4 * SIZE(CO1)

	STFD	f0,   5 * SIZE(CO1)

	STFD	f0,   6 * SIZE(CO1)

	STFD	f0,   7 * SIZE(CO1)

	STFD	f0,   8 * SIZE(CO1)

	STFD	f0,   9 * SIZE(CO1)

	STFD	f0,  10 * SIZE(CO1)

	STFD	f0,  11 * SIZE(CO1)

	STFD	f0,  12 * SIZE(CO1)

	STFD	f0,  13 * SIZE(CO1)

	STFD	f0,  14 * SIZE(CO1)

	STFD	f0,  15 * SIZE(CO1)

	dcbst	PRE, CO1

	addi	CO1, CO1,  16 * SIZE

	bdnz	LL(12)

	.align 4

LL(15):

	andi.	r0,  M,  7

	mtspr	CTR, r0

	beq	LL(19)

	.align 4

LL(16):

	STFD	f0,  0 * SIZE(CO1)

	STFD	f0,  1 * SIZE(CO1)

	addi	CO1, CO1, 2 * SIZE

	bdnz	LL(16)

	.align 4

LL(19):

	addic.	J,  J,  -1

	bgt	LL(10)

	b	LL(999)

	.align 4

LL(20):

	mr	CO1, C

	add	C,  C, LDC

	addi	PRE, 0, 16 * SIZE

	srawi.	r0,  M,  2

	mtspr	CTR, r0

	ble	LL(25)

	.align 4

LL(22):

	LFD	f3,  0 * SIZE(CO1)

	LFD	f4,  1 * SIZE(CO1)

	LFD	f5,  2 * SIZE(CO1)

	LFD	f6,  3 * SIZE(CO1)

	LFD	f7,  4 * SIZE(CO1)

	LFD	f8,  5 * SIZE(CO1)

	LFD	f9,  6 * SIZE(CO1)

	LFD	f10, 7 * SIZE(CO1)

	FMUL	f0,  ALPHA_I, f4

	FMUL	f4,  ALPHA_R, f4

	FMUL	f11, ALPHA_I, f6

	FMUL	f6,  ALPHA_R, f6

	FMUL	f12, ALPHA_I, f8

	FMUL	f8,  ALPHA_R, f8

	FMUL	f13, ALPHA_I, f10

	FMUL	f10, ALPHA_R, f10

	FMADD	f4,  ALPHA_I, f3, f4

	FMSUB	f3,  ALPHA_R, f3, f0

	FMADD	f6,  ALPHA_I, f5, f6

	FMSUB	f5,  ALPHA_R, f5, f11

	FMADD	f8,  ALPHA_I, f7, f8

	FMSUB	f7,  ALPHA_R, f7, f12

	FMADD	f10, ALPHA_I, f9, f10

	FMSUB	f9,  ALPHA_R, f9, f13

	STFD	f3,  0 * SIZE(CO1)

	STFD	f4,  1 * SIZE(CO1)

	STFD	f5,  2 * SIZE(CO1)

	STFD	f6,  3 * SIZE(CO1)

	STFD	f7,  4 * SIZE(CO1)

	STFD	f8,  5 * SIZE(CO1)

	STFD	f9,  6 * SIZE(CO1)

	STFD	f10, 7 * SIZE(CO1)

	addi	CO1, CO1,  8 * SIZE

	dcbtst	PRE, CO1

	bdnz	LL(22)

	.align 4

LL(25):

	andi.	r0,  M,  3

	mtspr	CTR, r0

	ble	LL(29)

	.align 4

LL(26):

	LFD	f0,  0 * SIZE(CO1)

	LFD	f1,  1 * SIZE(CO1)

	FMUL	f5, ALPHA_I, f1

	FMUL	f1, ALPHA_R, f1

	FMADD	f1, ALPHA_I, f0, f1

	FMSUB	f0, ALPHA_R, f0, f5

	STFD	f0,  0 * SIZE(CO1)

	STFD	f1,  1 * SIZE(CO1)

	addi	CO1, CO1, 2 * SIZE

	bdnz	LL(26)

	.align 4

LL(29):

	addic.	J,  J,  -1

	bgt	LL(20)

	.align 4

LL(999):

	li	r3, 0

	lfd	f30,    0(SP)

	lfd	f31,    8(SP)

	addi	SP, SP, STACKSIZE

	blr

	EPILOGUE