305 lines
7.0 KiB
ArmAsm
305 lines
7.0 KiB
ArmAsm
/***************************************************************************
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Copyright (c) 2021, The OpenBLAS Project
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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3. Neither the name of the OpenBLAS project nor the names of
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its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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#define ASSEMBLER
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#include "common.h"
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#define N $r4
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#define X $r5
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#define INCX $r6
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#define XX $r7
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#define I $r17
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#define TEMP $r18
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#define a1 $f10
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#define a2 $f11
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#define a3 $f12
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#define a4 $f13
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#define a5 $f14
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#define a6 $f15
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#define a7 $f16
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#define a8 $f17
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#define t1 $f0
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#define t2 $f1
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#define t3 $f2
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#define t4 $f3
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#define s1 $f22
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#define s2 $f8
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#define s3 $f23
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#define s4 $f9
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#define ALPHA $f4
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#define max $f5
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PROLOGUE
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#ifdef F_INTERFACE
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LDINT N, 0(N)
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LDINT INCX, 0(INCX)
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#endif
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MTC s1, $r0
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bge $r0, N, .L999
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slli.d INCX, INCX, ZBASE_SHIFT
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beq $r0, INCX, .L999
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move XX, X
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MOV s2, s1
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srai.d I, N, 2
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MOV s3, s1
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MOV s4, s1
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bge $r0, I, .L15
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LD a1, X, 0 * SIZE
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LD a2, X, 1 * SIZE
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add.d X, X, INCX
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LD a3, X, 0 * SIZE
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LD a4, X, 1 * SIZE
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add.d X, X, INCX
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LD a5, X, 0 * SIZE
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LD a6, X, 1 * SIZE
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add.d X, X, INCX
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LD a7, X, 0 * SIZE
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LD a8, X, 1 * SIZE
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addi.d I, I, -1
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add.d X, X, INCX
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bge $r0, I, .L13
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.align 3
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.L12:
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FABS t1, a1
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LD a1, X, 0 * SIZE
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FABS t2, a2
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NOP
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FABS t3, a3
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LD a2, X, 1 * SIZE
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FABS t4, a4
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add.d X, X, INCX
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CMPLT $fcc0, s1, t1
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LD a3, X, 0 * SIZE
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CMPLT $fcc1, s2, t2
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NOP
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CMPLT $fcc2, s3, t3
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LD a4, X, 1 * SIZE
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CMPLT $fcc3, s4, t4
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add.d X, X, INCX
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CMOVT s1, s1, t1, $fcc0
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CMOVT s2, s2, t2, $fcc1
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CMOVT s3, s3, t3, $fcc2
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CMOVT s4, s4, t4, $fcc3
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FABS t1, a5
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LD a5, X, 0 * SIZE
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FABS t2, a6
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NOP
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FABS t3, a7
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LD a6, X, 1 * SIZE
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FABS t4, a8
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add.d X, X, INCX
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CMPLT $fcc0, s1, t1
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LD a7, X, 0 * SIZE
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CMPLT $fcc1, s2, t2
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NOP
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CMPLT $fcc2, s3, t3
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LD a8, X, 1 * SIZE
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CMPLT $fcc3, s4, t4
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add.d X, X, INCX
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CMOVT s1, s1, t1, $fcc0
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addi.d I, I, -1
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CMOVT s2, s2, t2, $fcc1
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CMOVT s3, s3, t3, $fcc2
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CMOVT s4, s4, t4, $fcc3
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blt $r0, I, .L12
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.align 3
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.L13:
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FABS t1, a1
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FABS t2, a2
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FABS t3, a3
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FABS t4, a4
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CMPLT $fcc0, s1, t1
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CMPLT $fcc1, s2, t2
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CMPLT $fcc2, s3, t3
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CMPLT $fcc3, s4, t4
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CMOVT s1, s1, t1, $fcc0
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CMOVT s2, s2, t2, $fcc1
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CMOVT s3, s3, t3, $fcc2
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CMOVT s4, s4, t4, $fcc3
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FABS t1, a5
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FABS t2, a6
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FABS t3, a7
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FABS t4, a8
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CMPLT $fcc0, s1, t1
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CMPLT $fcc1, s2, t2
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CMPLT $fcc2, s3, t3
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CMPLT $fcc3, s4, t4
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CMOVT s1, s1, t1, $fcc0
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CMOVT s2, s2, t2, $fcc1
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CMOVT s3, s3, t3, $fcc2
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CMOVT s4, s4, t4, $fcc3
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.align 3
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.L15:
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andi I, N, 3
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bge $r0, I, .L100
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.align 3
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.L16:
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LD a1, X, 0 * SIZE
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LD a2, X, 1 * SIZE
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addi.d I, I, -1
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FABS t1, a1
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FABS t2, a2
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CMPLT $fcc0, s1, t1
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CMPLT $fcc1, s2, t2
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CMOVT s1, s1, t1, $fcc0
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CMOVT s2, s2, t2, $fcc1
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add.d X, X, INCX
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blt $r0, I, .L16
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.align 3
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.L100:
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CMPLT $fcc0, s1, s2
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CMPLT $fcc1, s3, s4
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CMOVT s1, s1, s2, $fcc0
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CMOVT s3, s3, s4, $fcc1
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CMPLT $fcc0, s1, s3
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CMOVT s1, s1, s3, $fcc0
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lu12i.w TEMP, 0x3f800
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movgr2fr.d a1, $r0
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movgr2fr.w ALPHA, TEMP
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CMPEQ $fcc0, s1, a1
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fcvt.d.s ALPHA, ALPHA
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bcnez $fcc0, .L999
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fdiv.d ALPHA, ALPHA, s1
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MOV max, s1
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MOV s1, a1
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MOV s2, a1
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MOV s3, a1
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MOV s4, a1
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srai.d I, N, 2
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bge $r0, I, .L105
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LD a1, XX, 0 * SIZE
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LD a2, XX, 1 * SIZE
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add.d XX, XX, INCX
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LD a3, XX, 0 * SIZE
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LD a4, XX, 1 * SIZE
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add.d XX, XX, INCX
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LD a5, XX, 0 * SIZE
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LD a6, XX, 1 * SIZE
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add.d XX, XX, INCX
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LD a7, XX, 0 * SIZE
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LD a8, XX, 1 * SIZE
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addi.d I, I, -1
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add.d XX, XX, INCX
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bge $r0, I, .L104
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.align 3
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.L103:
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MUL t1, ALPHA, a1
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LD a1, XX, 0 * SIZE
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MUL t2, ALPHA, a2
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addi.d I, I, -1
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MUL t3, ALPHA, a3
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LD a2, XX, 1 * SIZE
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MUL t4, ALPHA, a4
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add.d XX, XX, INCX
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MADD s1, t1, t1, s1
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LD a3, XX, 0 * SIZE
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MADD s2, t2, t2, s2
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NOP
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MADD s3, t3, t3, s3
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LD a4, XX, 1 * SIZE
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MADD s4, t4, t4, s4
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add.d XX, XX, INCX
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MUL t1, ALPHA, a5
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LD a5, XX, 0 * SIZE
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MUL t2, ALPHA, a6
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NOP
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MUL t3, ALPHA, a7
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LD a6, XX, 1 * SIZE
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MUL t4, ALPHA, a8
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add.d XX, XX, INCX
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MADD s1, t1, t1, s1
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LD a7, XX, 0 * SIZE
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MADD s2, t2, t2, s2
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LD a8, XX, 1 * SIZE
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MADD s3, t3, t3, s3
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add.d XX, XX, INCX
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MADD s4, t4, t4, s4
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blt $r0, I, .L103
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.align 3
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.L104:
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MUL t1, ALPHA, a1
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MUL t2, ALPHA, a2
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MUL t3, ALPHA, a3
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MUL t4, ALPHA, a4
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MADD s1, t1, t1, s1
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MADD s2, t2, t2, s2
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MADD s3, t3, t3, s3
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MADD s4, t4, t4, s4
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MUL t1, ALPHA, a5
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MUL t2, ALPHA, a6
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MUL t3, ALPHA, a7
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MUL t4, ALPHA, a8
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MADD s1, t1, t1, s1
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MADD s2, t2, t2, s2
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MADD s3, t3, t3, s3
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MADD s4, t4, t4, s4
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.align 3
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.L105:
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andi I, N, 3
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bge $r0, I, .L998
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.align 3
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.L106:
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LD a1, XX, 0 * SIZE
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LD a2, XX, 1 * SIZE
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addi.d I, I, -1
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MUL t1, ALPHA, a1
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MUL t2, ALPHA, a2
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MADD s1, t1, t1, s1
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add.d XX, XX, INCX
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MADD s2, t2, t2, s2
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blt $r0, I, .L106
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.align 3
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.L998:
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ADD s1, s1, s2
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ADD s3, s3, s4
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ADD s1, s1, s3
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fsqrt.d s1, s1
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move $r4, $r17
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MUL $f0, max, s1
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jirl $r0, $r1, 0x0
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.align 3
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.L999:
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move $r4, $r17
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fmov.d $f0, $f22
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jirl $r0, $r1, 0x0
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EPILOGUE
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