214 lines
5.4 KiB
ArmAsm
214 lines
5.4 KiB
ArmAsm
/***************************************************************************
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Copyright (c) 2023, 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 ALPHA $f0
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#define X $r7
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#define INCX $r8
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#define I $r12
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#define TEMP $r13
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#define t1 $r14
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#define t2 $r18
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#define t3 $r15
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#define t4 $r17
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#define XX $r16
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#define VX0 $xr12
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#define VX1 $xr13
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#define VT0 $xr14
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#define VT1 $xr15
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#define VALPHA $xr19
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#define a1 $f8
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#define a2 $f23
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PROLOGUE
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bge $r0, N, .L999
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bge $r0, INCX, .L999
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li.d TEMP, 1
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movgr2fr.d a1, $r0
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FFINT a1, a1
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movgr2fr.d a2, TEMP
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FFINT a2, a2
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slli.d TEMP, TEMP, BASE_SHIFT
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slli.d INCX, INCX, BASE_SHIFT
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CMPEQ $fcc0, ALPHA, a2
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bcnez $fcc0, .L999 //ALPHA==1 return
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srai.d I, N, 3
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beq INCX, TEMP, .L30 //ALPHA!=1 and INCX==1
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MTG TEMP, ALPHA
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#ifdef DOUBLE
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xvreplgr2vr.d VALPHA, TEMP
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#else
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xvreplgr2vr.w VALPHA, TEMP
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#endif
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move XX, X
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.align 3
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.L10: //ALPHA!=1 and INCX!=1
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bge $r0, I, .L32
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.align 3
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.L11:
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#ifdef DOUBLE
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ld.d t1, X, 0 * SIZE
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add.d X, X, INCX
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ld.d t2, X, 0 * SIZE
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add.d X, X, INCX
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ld.d t3, X, 0 * SIZE
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add.d X, X, INCX
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ld.d t4, X, 0 * SIZE
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add.d X, X, INCX
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xvinsgr2vr.d VX0, t1, 0
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xvinsgr2vr.d VX0, t2, 1
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xvinsgr2vr.d VX0, t3, 2
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xvinsgr2vr.d VX0, t4, 3
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ld.d t1, X, 0 * SIZE
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add.d X, X, INCX
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ld.d t2, X, 0 * SIZE
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add.d X, X, INCX
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xvfmul.d VT0, VX0, VALPHA
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ld.d t3, X, 0 * SIZE
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add.d X, X, INCX
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ld.d t4, X, 0 * SIZE
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add.d X, X, INCX
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xvinsgr2vr.d VX1, t1, 0
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xvinsgr2vr.d VX1, t2, 1
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xvinsgr2vr.d VX1, t3, 2
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xvinsgr2vr.d VX1, t4, 3
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xvstelm.d VT0, XX, 0, 0
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add.d XX, XX, INCX
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xvstelm.d VT0, XX, 0, 1
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add.d XX, XX, INCX
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xvstelm.d VT0, XX, 0, 2
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add.d XX, XX, INCX
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xvstelm.d VT0, XX, 0, 3
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add.d XX, XX, INCX
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xvfmul.d VT1, VX1, VALPHA
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xvstelm.d VT1, XX, 0, 0
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add.d XX, XX, INCX
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xvstelm.d VT1, XX, 0, 1
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add.d XX, XX, INCX
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xvstelm.d VT1, XX, 0, 2
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add.d XX, XX, INCX
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xvstelm.d VT1, XX, 0, 3
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#else
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ld.w t1, X, 0 * SIZE
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add.d X, X, INCX
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ld.w t2, X, 0 * SIZE
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add.d X, X, INCX
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ld.w t3, X, 0 * SIZE
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add.d X, X, INCX
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ld.w t4, X, 0 * SIZE
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add.d X, X, INCX
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xvinsgr2vr.w VX0, t1, 0
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xvinsgr2vr.w VX0, t2, 1
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xvinsgr2vr.w VX0, t3, 2
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xvinsgr2vr.w VX0, t4, 3
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ld.w t1, X, 0 * SIZE
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add.d X, X, INCX
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ld.w t2, X, 0 * SIZE
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add.d X, X, INCX
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ld.w t3, X, 0 * SIZE
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add.d X, X, INCX
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ld.w t4, X, 0 * SIZE
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add.d X, X, INCX
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xvinsgr2vr.w VX0, t1, 4
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xvinsgr2vr.w VX0, t2, 5
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xvinsgr2vr.w VX0, t3, 6
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xvinsgr2vr.w VX0, t4, 7
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xvfmul.s VT0, VX0, VALPHA
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xvstelm.w VT0, XX, 0, 0
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add.d XX, XX, INCX
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xvstelm.w VT0, XX, 0, 1
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add.d XX, XX, INCX
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xvstelm.w VT0, XX, 0, 2
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add.d XX, XX, INCX
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xvstelm.w VT0, XX, 0, 3
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add.d XX, XX, INCX
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xvstelm.w VT0, XX, 0, 4
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add.d XX, XX, INCX
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xvstelm.w VT0, XX, 0, 5
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add.d XX, XX, INCX
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xvstelm.w VT0, XX, 0, 6
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add.d XX, XX, INCX
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xvstelm.w VT0, XX, 0, 7
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#endif
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add.d XX, XX, INCX
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addi.d I, I, -1
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blt $r0, I, .L11
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b .L32
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.align 3
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.L30:
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bge $r0, I, .L32/*N<8 INCX==1*/
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MTG TEMP, ALPHA
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#ifdef DOUBLE
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xvreplgr2vr.d VALPHA , TEMP
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#else
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xvreplgr2vr.w VALPHA , TEMP
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#endif
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.align 3
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.L31:
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xvld VX0, X, 0 * SIZE
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#ifdef DOUBLE
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xvld VX1, X, 4 * SIZE
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xvfmul.d VT0, VX0, VALPHA
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xvfmul.d VT1, VX1, VALPHA
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xvst VT0, X, 0 * SIZE
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xvst VT1, X, 4 * SIZE
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#else
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xvfmul.s VT0, VX0, VALPHA
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xvst VT0, X, 0 * SIZE
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#endif
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addi.d I, I, -1
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addi.d X, X, 8 * SIZE
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blt $r0, I, .L31
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.align 3
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.L32:
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andi I, N, 7
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bge $r0, I, .L999
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.align 3
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.L33:
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LD a1, X, 0 * SIZE
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addi.d I, I, -1
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MUL a1, ALPHA, a1
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ST a1, X, 0 * SIZE
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add.d X, X, INCX
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blt $r0, I, .L33
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jirl $r0, $r1, 0
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.align 3
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.L999:
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jirl $r0, $r1, 0x0
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EPILOGUE
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