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/*********************************************************************/
/* 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 N $4
#define X $5
#define INCX $6
#define XX $7
#define I $2
#define TEMP $3
#define a1 $f4
#define a2 $f5
#define a3 $f6
#define a4 $f7
#define a5 $f8
#define a6 $f9
#define a7 $f10
#define a8 $f11
#define t1 $f12
#define t2 $f13
#define t3 $f14
#define t4 $f15
#define s1 $f0
#define s2 $f1
#define s3 $f2
#define s4 $f3
#define ALPHA $f16
#define max $f17
PROLOGUE
#ifdef F_INTERFACE
LDINT N, 0(N)
LDINT INCX, 0(INCX)
#endif
blez N, .L999
MTC $0, s1
blez INCX, .L999
dsll INCX, INCX, BASE_SHIFT
move XX, X
NOP
LD a1, 0 * SIZE(X)
daddiu N, N, -1
daddu X, X, INCX
FABS s1, a1
blez N, .L999
FABS s2, a1
FABS s3, a1
dsra I, N, 3
blez I, .L15
FABS s4, a1
LD a1, 0 * SIZE(X)
daddu X, X, INCX
LD a2, 0 * SIZE(X)
daddu X, X, INCX
LD a3, 0 * SIZE(X)
daddu X, X, INCX
LD a4, 0 * SIZE(X)
daddu X, X, INCX
LD a5, 0 * SIZE(X)
daddu X, X, INCX
LD a6, 0 * SIZE(X)
daddu X, X, INCX
LD a7, 0 * SIZE(X)
daddu X, X, INCX
LD a8, 0 * SIZE(X)
daddiu I, I, -1
blez I, .L13
daddu X, X, INCX
.align 3
.L12:
FABS t1, a1
LD a1, 0 * SIZE(X)
FABS t2, a2
daddu X, X, INCX
FABS t3, a3
LD a2, 0 * SIZE(X)
FABS t4, a4
daddu X, X, INCX
CMPLT $fcc0, s1, t1
LD a3, 0 * SIZE(X)
CMPLT $fcc1, s2, t2
daddu X, X, INCX
CMPLT $fcc2, s3, t3
LD a4, 0 * SIZE(X)
CMPLT $fcc3, s4, t4
daddu X, X, INCX
CMOVT s1, t1, $fcc0
CMOVT s2, t2, $fcc1
CMOVT s3, t3, $fcc2
CMOVT s4, t4, $fcc3
FABS t1, a5
LD a5, 0 * SIZE(X)
FABS t2, a6
daddu X, X, INCX
FABS t3, a7
LD a6, 0 * SIZE(X)
FABS t4, a8
daddu X, X, INCX
CMPLT $fcc0, s1, t1
LD a7, 0 * SIZE(X)
CMPLT $fcc1, s2, t2
daddu X, X, INCX
CMPLT $fcc2, s3, t3
LD a8, 0 * SIZE(X)
CMPLT $fcc3, s4, t4
daddu X, X, INCX
CMOVT s1, t1, $fcc0
daddiu I, I, -1
CMOVT s2, t2, $fcc1
CMOVT s3, t3, $fcc2
bgtz I, .L12
CMOVT s4, t4, $fcc3
.align 3
.L13:
FABS t1, a1
FABS t2, a2
FABS t3, a3
FABS t4, a4
CMPLT $fcc0, s1, t1
CMPLT $fcc1, s2, t2
CMPLT $fcc2, s3, t3
CMPLT $fcc3, s4, t4
CMOVT s1, t1, $fcc0
CMOVT s2, t2, $fcc1
CMOVT s3, t3, $fcc2
CMOVT s4, t4, $fcc3
FABS t1, a5
FABS t2, a6
FABS t3, a7
FABS t4, a8
CMPLT $fcc0, s1, t1
CMPLT $fcc1, s2, t2
CMPLT $fcc2, s3, t3
CMPLT $fcc3, s4, t4
CMOVT s1, t1, $fcc0
CMOVT s2, t2, $fcc1
CMOVT s3, t3, $fcc2
CMOVT s4, t4, $fcc3
.align 3
.L15:
andi I, N, 7
blez I, .L100
NOP
.align 3
.L16:
LD a1, 0 * SIZE(X)
daddiu I, I, -1
FABS t1, a1
CMPLT $fcc0, s1, t1
CMOVT s1, t1, $fcc0
bgtz I, .L16
daddu X, X, INCX
.align 3
.L100:
CMPLT $fcc0, s1, s2
CMPLT $fcc1, s3, s4
CMOVT s1, s2, $fcc0
CMOVT s3, s4, $fcc1
CMPLT $fcc0, s1, s3
CMOVT s1, s3, $fcc0
daddiu N, N, 1
lui TEMP, 0x3f80
dmtc1 $0, a1
mtc1 TEMP, ALPHA
CMPEQ $fcc0, s1, a1
bc1t $fcc0, .L999
cvt.d.s ALPHA, ALPHA
div.d ALPHA, ALPHA, s1
MOV max, s1
MOV s1, a1
MOV s2, a1
MOV s3, a1
MOV s4, a1
dsra I, N, 3
blez I, .L105
NOP
LD a1, 0 * SIZE(XX)
daddu XX, XX, INCX
LD a2, 0 * SIZE(XX)
daddu XX, XX, INCX
LD a3, 0 * SIZE(XX)
daddu XX, XX, INCX
LD a4, 0 * SIZE(XX)
daddu XX, XX, INCX
LD a5, 0 * SIZE(XX)
daddu XX, XX, INCX
LD a6, 0 * SIZE(XX)
daddu XX, XX, INCX
LD a7, 0 * SIZE(XX)
daddu XX, XX, INCX
LD a8, 0 * SIZE(XX)
daddiu I, I, -1
blez I, .L104
daddu XX, XX, INCX
.align 3
.L103:
MUL t1, ALPHA, a1
LD a1, 0 * SIZE(XX)
MUL t2, ALPHA, a2
daddu XX, XX, INCX
MUL t3, ALPHA, a3
LD a2, 0 * SIZE(XX)
MUL t4, ALPHA, a4
daddu XX, XX, INCX
MADD s1, s1, t1, t1
LD a3, 0 * SIZE(XX)
MADD s2, s2, t2, t2
daddu XX, XX, INCX
MADD s3, s3, t3, t3
LD a4, 0 * SIZE(XX)
MADD s4, s4, t4, t4
daddu XX, XX, INCX
MUL t1, ALPHA, a5
LD a5, 0 * SIZE(XX)
MUL t2, ALPHA, a6
daddu XX, XX, INCX
MUL t3, ALPHA, a7
LD a6, 0 * SIZE(XX)
MUL t4, ALPHA, a8
daddu XX, XX, INCX
MADD s1, s1, t1, t1
LD a7, 0 * SIZE(XX)
MADD s2, s2, t2, t2
daddu XX, XX, INCX
MADD s3, s3, t3, t3
LD a8, 0 * SIZE(XX)
MADD s4, s4, t4, t4
daddiu I, I, -1
bgtz I, .L103
daddu XX, XX, INCX
.align 3
.L104:
MUL t1, ALPHA, a1
MUL t2, ALPHA, a2
MUL t3, ALPHA, a3
MUL t4, ALPHA, a4
MADD s1, s1, t1, t1
MADD s2, s2, t2, t2
MADD s3, s3, t3, t3
MADD s4, s4, t4, t4
MUL t1, ALPHA, a5
MUL t2, ALPHA, a6
MUL t3, ALPHA, a7
MUL t4, ALPHA, a8
MADD s1, s1, t1, t1
MADD s2, s2, t2, t2
MADD s3, s3, t3, t3
MADD s4, s4, t4, t4
.align 3
.L105:
andi I, N, 7
blez I, .L998
NOP
.align 3
.L106:
LD a1, 0 * SIZE(XX)
daddiu I, I, -1
MUL t1, ALPHA, a1
daddu XX, XX, INCX
bgtz I, .L106
MADD s1, s1, t1, t1
.align 3
.L998:
ADD s1, s1, s2
ADD s3, s3, s4
ADD s1, s1, s3
sqrt.d s1, s1
j $31
MUL s1, max, s1
.align 3
.L999:
j $31
NOP
EPILOGUE
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