280 lines
6.9 KiB
ArmAsm
280 lines
6.9 KiB
ArmAsm
/*******************************************************************************
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Copyright (c) 2024, 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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/* Param */
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#define M $r4
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#define N $r5
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#define A $r7
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#define LDA $r8
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#define X $r9
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#define INCX $r10
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#define Y $r11
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#define INCY $r6
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#define BUFFER $r16
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#define ALPHA $f0
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#define YORIG $r18
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#define T0 $r19
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#define T1 $r20
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#define AO3 $r12
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#define AO4 $r13
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#define I $r14
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#define J $r15
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#define AO1 $r23
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#define AO2 $r24
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#define IX $r25
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#define IY $r26
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#define II $r27
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#define T2 $r28
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#define T3 $r29
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#define T4 $r30
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/* LSX vectors */
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#define U0 $vr11
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#define U1 $vr12
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#define U2 $vr2
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#define U3 $vr3
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#define U4 $vr4
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#define U5 $vr5
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#define U6 $vr6
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#define U7 $vr7
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#define U8 $vr8
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#define U9 $vr9
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#define VALPHA $vr10
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#define a1 $f3
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#define a2 $f4
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#define a3 $f5
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#define a4 $f6
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#define a5 $f7
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#define a6 $f8
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#define a7 $f9
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#define a8 $f10
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PROLOGUE
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LDARG INCY, $sp, 0
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LDARG BUFFER, $sp, 8
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addi.d $sp, $sp, -80
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SDARG $r23, $sp, 0
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SDARG $r24, $sp, 8
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SDARG $r25, $sp, 16
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SDARG $r26, $sp, 32
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SDARG $r27, $sp, 40
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SDARG $r28, $sp, 48
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SDARG $r29, $sp, 56
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SDARG $r30, $sp, 64
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ST ALPHA, $sp, 72
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vldrepl.d VALPHA, $sp, 72
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slli.d LDA, LDA, BASE_SHIFT
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slli.d INCX, INCX, BASE_SHIFT
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slli.d INCY, INCY, BASE_SHIFT
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bge $r0, M, .L999
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bge $r0, N, .L999
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move J, $r0
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move IY, $r0
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move AO1, A //a_ptr1
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srai.d T0, N, 2 //n/4
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beq J, T0, .L04
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.L01: /* j<n/4 */
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vxor.v U0, U0, U0
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vxor.v U7, U7, U7
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add.d AO2, AO1, LDA
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add.d AO3, AO2, LDA
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add.d AO4, AO3, LDA
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move IX, $r0
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move I, $r0
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move II, $r0
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beq $r0, M, .L03
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.L02: /* i<m */
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vldx U1, X, IX
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fldx.d $f2, AO1, II
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fldx.d $f3, AO2, II
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fldx.d $f4, AO3, II
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fldx.d $f5, AO4, II
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vshuf4i.d U1, U1, 0x00
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vextrins.d U2, U3, 0x10
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vextrins.d U4, U5, 0x10
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vfmadd.d U0, U2, U1, U0 //temp1,2
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vfmadd.d U7, U4, U1, U7 //temp3,4
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add.d IX, IX, INCX
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addi.d II, II, 8
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addi.d I, I, 1
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blt I, M, .L02
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.L03:
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move T1, IY
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add.d T2, T1, INCY
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add.d T3, T2, INCY
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add.d T4, T3, INCY
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fldx.d $f3, Y, T1
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fldx.d $f4, Y, T2
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fldx.d $f5, Y, T3
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fldx.d $f6, Y, T4
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vextrins.d U3, U4, 0x10
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vextrins.d U5, U6, 0x10
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vfmadd.d U3, VALPHA, U0, U3
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vfmadd.d U5, VALPHA, U7, U5
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vextrins.d U4, U3, 0x01
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vextrins.d U6, U5, 0x01
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fstx.d $f3, Y, T1
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fstx.d $f4, Y, T2
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fstx.d $f5, Y, T3
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fstx.d $f6, Y, T4
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slli.d T1, LDA, 2
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add.d AO1, AO1, T1
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add.d IY, T4, INCY
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addi.d J, J, 1
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blt J, T0, .L01
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.L04: /* if(n&2) */
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andi T0, N, 2
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beq $r0, T0, .L07
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vxor.v U0, U0, U0
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add.d AO2, AO1, LDA
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move IX, $r0
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move I, $r0
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move II, $r0
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beq $r0, M, .L06
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.L05: /* i<m */
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vldx U1, X, IX
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fldx.d $f2, AO1, II
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fldx.d $f3, AO2, II
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vshuf4i.d U1, U1, 0x00
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vextrins.d U2, U3, 0x10
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vfmadd.d U0, U2, U1, U0 //temp1,2
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add.d IX, IX, INCX
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addi.d II, II, 8
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addi.d I, I, 1
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blt I, M, .L05
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.L06:
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move T1, IY
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add.d T2, T1, INCY
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fldx.d a1, Y, T1
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fldx.d a2, Y, T2
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vextrins.d U3, U4, 0x10
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vfmadd.d U3, VALPHA, U0, U3
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vextrins.d U4, U3, 0x01
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fstx.d a1, Y, T1
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fstx.d a2, Y, T2
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slli.d T0, LDA, 1
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add.d AO1, AO1, T0
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add.d IY, T2, INCY
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.L07: /* if(n&1) */
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andi T0, N, 1
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beq $r0, T0, .L999
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MTC a1, $r0
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move IX, $r0
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move I, $r0
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move II, $r0
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beq $r0, M, .L09
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.L08: /* i<m */
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fldx.d a3, X, IX
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fldx.d a4, AO1, II
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fmadd.d a1, a4, a3, a1 //temp1
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add.d IX, IX, INCX
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addi.d II, II, 8
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addi.d I, I, 1
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blt I, M, .L08
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.L09:
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fldx.d a3, Y, IY
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fmadd.d a3, ALPHA, a1, a3
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fstx.d a3, Y, IY
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add.d AO1, AO1, LDA
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add.d IY, IY, INCY
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.L999:
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LDARG $r23, $sp, 0
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LDARG $r24, $sp, 8
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LDARG $r25, $sp, 16
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LDARG $r26, $sp, 32
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LDARG $r27, $sp, 40
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LDARG $r28, $sp, 48
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LDARG $r29, $sp, 56
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LDARG $r30, $sp, 64
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LD ALPHA, $sp, 72
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addi.d $sp, $sp, 80
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jirl $r0, $r1, 0x0
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EPILOGUE
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