378 lines
7 KiB
ArmAsm
378 lines
7 KiB
ArmAsm
/*********************************************************************/
|
|
/* 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, ZBASE_SHIFT
|
|
|
|
move XX, X
|
|
MOV s2, s1
|
|
|
|
dsra I, N, 2
|
|
MOV s3, s1
|
|
|
|
blez I, .L15
|
|
MOV s4, s1
|
|
|
|
LD a1, 0 * SIZE(X)
|
|
LD a2, 1 * SIZE(X)
|
|
daddu X, X, INCX
|
|
LD a3, 0 * SIZE(X)
|
|
LD a4, 1 * SIZE(X)
|
|
daddu X, X, INCX
|
|
LD a5, 0 * SIZE(X)
|
|
LD a6, 1 * SIZE(X)
|
|
daddu X, X, INCX
|
|
LD a7, 0 * SIZE(X)
|
|
LD a8, 1 * 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
|
|
NOP
|
|
|
|
FABS t3, a3
|
|
LD a2, 1 * SIZE(X)
|
|
FABS t4, a4
|
|
daddu X, X, INCX
|
|
|
|
CMPLT $fcc0, s1, t1
|
|
LD a3, 0 * SIZE(X)
|
|
CMPLT $fcc1, s2, t2
|
|
NOP
|
|
|
|
CMPLT $fcc2, s3, t3
|
|
LD a4, 1 * 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
|
|
NOP
|
|
|
|
FABS t3, a7
|
|
LD a6, 1 * SIZE(X)
|
|
FABS t4, a8
|
|
daddu X, X, INCX
|
|
|
|
CMPLT $fcc0, s1, t1
|
|
LD a7, 0 * SIZE(X)
|
|
CMPLT $fcc1, s2, t2
|
|
NOP
|
|
|
|
CMPLT $fcc2, s3, t3
|
|
LD a8, 1 * 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, 3
|
|
|
|
blez I, .L100
|
|
NOP
|
|
.align 3
|
|
|
|
.L16:
|
|
LD a1, 0 * SIZE(X)
|
|
LD a2, 1 * SIZE(X)
|
|
daddiu I, I, -1
|
|
|
|
FABS t1, a1
|
|
FABS t2, a2
|
|
|
|
CMPLT $fcc0, s1, t1
|
|
CMPLT $fcc1, s2, t2
|
|
|
|
CMOVT s1, t1, $fcc0
|
|
CMOVT s2, t2, $fcc1
|
|
|
|
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
|
|
|
|
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, 2
|
|
blez I, .L105
|
|
NOP
|
|
|
|
LD a1, 0 * SIZE(XX)
|
|
LD a2, 1 * SIZE(XX)
|
|
daddu XX, XX, INCX
|
|
|
|
LD a3, 0 * SIZE(XX)
|
|
LD a4, 1 * SIZE(XX)
|
|
daddu XX, XX, INCX
|
|
|
|
LD a5, 0 * SIZE(XX)
|
|
LD a6, 1 * SIZE(XX)
|
|
daddu XX, XX, INCX
|
|
|
|
LD a7, 0 * SIZE(XX)
|
|
LD a8, 1 * 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
|
|
daddiu I, I, -1
|
|
|
|
MUL t3, ALPHA, a3
|
|
LD a2, 1 * 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
|
|
NOP
|
|
|
|
MADD s3, s3, t3, t3
|
|
LD a4, 1 * SIZE(XX)
|
|
MADD s4, s4, t4, t4
|
|
daddu XX, XX, INCX
|
|
|
|
MUL t1, ALPHA, a5
|
|
LD a5, 0 * SIZE(XX)
|
|
MUL t2, ALPHA, a6
|
|
NOP
|
|
|
|
MUL t3, ALPHA, a7
|
|
LD a6, 1 * 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
|
|
LD a8, 1 * SIZE(XX)
|
|
|
|
MADD s3, s3, t3, t3
|
|
daddu XX, XX, INCX
|
|
bgtz I, .L103
|
|
MADD s4, s4, t4, t4
|
|
.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, 3
|
|
|
|
blez I, .L998
|
|
NOP
|
|
.align 3
|
|
|
|
.L106:
|
|
LD a1, 0 * SIZE(XX)
|
|
LD a2, 1 * SIZE(XX)
|
|
daddiu I, I, -1
|
|
|
|
MUL t1, ALPHA, a1
|
|
MUL t2, ALPHA, a2
|
|
|
|
MADD s1, s1, t1, t1
|
|
daddu XX, XX, INCX
|
|
|
|
bgtz I, .L106
|
|
MADD s2, s2, t2, t2
|
|
.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
|