563 lines
10 KiB
ArmAsm
563 lines
10 KiB
ArmAsm
/***************************************************************************
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Copyright (c) 2016, 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 A00 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 M x0
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#define N x1
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#define A00 x2
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#define LDA x3
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#define B00 x4
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#define A01 x5
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#define A02 x6
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#define A03 x7
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#define A04 x8
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#define A05 x9
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#define A06 x10
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#define A07 x11
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#define A08 x12
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#define I x13
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#define J x14
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#define K x15
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#define TEMP1 x16
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#define TEMP2 x17
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/**************************************************************************************
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* Macro definitions
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**************************************************************************************/
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.macro SAVE_REGS
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add sp, sp, #-(11 * 16)
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stp d8, d9, [sp, #(0 * 16)]
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stp d10, d11, [sp, #(1 * 16)]
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stp d12, d13, [sp, #(2 * 16)]
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stp d14, d15, [sp, #(3 * 16)]
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stp d16, d17, [sp, #(4 * 16)]
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stp x18, x19, [sp, #(5 * 16)]
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stp x20, x21, [sp, #(6 * 16)]
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stp x22, x23, [sp, #(7 * 16)]
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stp x24, x25, [sp, #(8 * 16)]
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stp x26, x27, [sp, #(9 * 16)]
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str x28, [sp, #(10 * 16)]
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.endm
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.macro RESTORE_REGS
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ldp d8, d9, [sp, #(0 * 16)]
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ldp d10, d11, [sp, #(1 * 16)]
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ldp d12, d13, [sp, #(2 * 16)]
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ldp d14, d15, [sp, #(3 * 16)]
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ldp d16, d17, [sp, #(4 * 16)]
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ldp x18, x19, [sp, #(5 * 16)]
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ldp x20, x21, [sp, #(6 * 16)]
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ldp x22, x23, [sp, #(7 * 16)]
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ldp x24, x25, [sp, #(8 * 16)]
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ldp x26, x27, [sp, #(9 * 16)]
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ldr x28, [sp, #(10 * 16)]
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add sp, sp, #(11*16)
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.endm
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.macro COPY4x8
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ldr q0, [A01], #16
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ldr q1, [A02], #16
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ins v8.s[0], v0.s[0]
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ins v10.s[0], v0.s[1]
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ins v12.s[0], v0.s[2]
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ins v14.s[0], v0.s[3]
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ins v8.s[1], v1.s[0]
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ins v10.s[1], v1.s[1]
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ins v12.s[1], v1.s[2]
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ins v14.s[1], v1.s[3]
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ldr q2, [A03], #16
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ldr q3, [A04], #16
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ins v8.s[2], v2.s[0]
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ins v10.s[2], v2.s[1]
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ins v12.s[2], v2.s[2]
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ins v14.s[2], v2.s[3]
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ins v8.s[3], v3.s[0]
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ins v10.s[3], v3.s[1]
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ins v12.s[3], v3.s[2]
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ins v14.s[3], v3.s[3]
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ldr q4, [A05], #16
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ldr q5, [A06], #16
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ins v9.s[0], v4.s[0]
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ins v11.s[0], v4.s[1]
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ins v13.s[0], v4.s[2]
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ins v15.s[0], v4.s[3]
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ins v9.s[1], v5.s[0]
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ins v11.s[1], v5.s[1]
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ins v13.s[1], v5.s[2]
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ins v15.s[1], v5.s[3]
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ldr q6, [A07], #16
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ldr q7, [A08], #16
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ins v9.s[2], v6.s[0]
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ins v11.s[2], v6.s[1]
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ins v13.s[2], v6.s[2]
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ins v15.s[2], v6.s[3]
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ins v9.s[3], v7.s[0]
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ins v11.s[3], v7.s[1]
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ins v13.s[3], v7.s[2]
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ins v15.s[3], v7.s[3]
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st1 {v8.4s, v9.4s, v10.4s, v11.4s}, [B00], #64
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st1 {v12.4s, v13.4s, v14.4s, v15.4s}, [B00], #64
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.endm
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.macro COPY2x8
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ldr d0, [A01], #8
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ldr d1, [A02], #8
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ins v8.s[0], v0.s[0]
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ins v10.s[0], v0.s[1]
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ins v8.s[1], v1.s[0]
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ins v10.s[1], v1.s[1]
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ldr d2, [A03], #8
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ldr d3, [A04], #8
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ins v8.s[2], v2.s[0]
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ins v10.s[2], v2.s[1]
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ins v8.s[3], v3.s[0]
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ins v10.s[3], v3.s[1]
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ldr d4, [A05], #8
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ldr d5, [A06], #8
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ins v9.s[0], v4.s[0]
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ins v11.s[0], v4.s[1]
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ins v9.s[1], v5.s[0]
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ins v11.s[1], v5.s[1]
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ldr d6, [A07], #8
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ldr d7, [A08], #8
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ins v9.s[2], v6.s[0]
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ins v11.s[2], v6.s[1]
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ins v9.s[3], v7.s[0]
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ins v11.s[3], v7.s[1]
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st1 {v8.4s, v9.4s, v10.4s, v11.4s}, [B00], #64
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.endm
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.macro COPY1x8
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ldr s0, [A01], #4
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ldr s1, [A02], #4
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ins v8.s[0], v0.s[0]
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ins v8.s[1], v1.s[0]
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ldr s2, [A03], #4
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ldr s3, [A04], #4
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ins v8.s[2], v2.s[0]
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ins v8.s[3], v3.s[0]
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ldr s4, [A05], #4
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ldr s5, [A06], #4
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ins v9.s[0], v4.s[0]
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ins v9.s[1], v5.s[0]
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ldr s6, [A07], #4
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ldr s7, [A08], #4
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ins v9.s[2], v6.s[0]
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ins v9.s[3], v7.s[0]
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st1 {v8.4s, v9.4s}, [B00], #32
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.endm
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.macro COPY4x4
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ldr q0, [A01], #16
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ldr q1, [A02], #16
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ins v8.s[0], v0.s[0]
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ins v9.s[0], v0.s[1]
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ins v10.s[0], v0.s[2]
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ins v11.s[0], v0.s[3]
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ins v8.s[1], v1.s[0]
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ins v9.s[1], v1.s[1]
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ins v10.s[1], v1.s[2]
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ins v11.s[1], v1.s[3]
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ldr q2, [A03], #16
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ldr q3, [A04], #16
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ins v8.s[2], v2.s[0]
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ins v9.s[2], v2.s[1]
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ins v10.s[2], v2.s[2]
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ins v11.s[2], v2.s[3]
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ins v8.s[3], v3.s[0]
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ins v9.s[3], v3.s[1]
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ins v10.s[3], v3.s[2]
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ins v11.s[3], v3.s[3]
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st1 {v8.4s, v9.4s, v10.4s, v11.4s}, [B00], #64
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.endm
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.macro COPY2x4
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ldr d0, [A01], #8
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ldr d1, [A02], #8
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ins v8.s[0], v0.s[0]
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ins v9.s[0], v0.s[1]
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ins v8.s[1], v1.s[0]
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ins v9.s[1], v1.s[1]
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ldr d2, [A03], #8
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ldr d3, [A04], #8
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ins v8.s[2], v2.s[0]
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ins v9.s[2], v2.s[1]
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ins v8.s[3], v3.s[0]
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ins v9.s[3], v3.s[1]
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st1 {v8.4s, v9.4s}, [B00], #32
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.endm
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.macro COPY1x4
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ldr s0, [A01], #4
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ldr s1, [A02], #4
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ins v8.s[0], v0.s[0]
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ins v8.s[1], v1.s[0]
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ldr s2, [A03], #4
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ldr s3, [A04], #4
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ins v8.s[2], v2.s[0]
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ins v8.s[3], v3.s[0]
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st1 {v8.4s}, [B00], #16
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.endm
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.macro COPY4x2
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ldr q0, [A01], #16
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ldr q1, [A02], #16
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ins v8.s[0], v0.s[0]
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ins v9.s[0], v0.s[1]
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ins v10.s[0], v0.s[2]
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ins v11.s[0], v0.s[3]
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ins v8.s[1], v1.s[0]
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ins v9.s[1], v1.s[1]
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ins v10.s[1], v1.s[2]
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ins v11.s[1], v1.s[3]
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st1 {v8.2s, v9.2s, v10.2s, v11.2s}, [B00], #32
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.endm
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.macro COPY2x2
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ldr d0, [A01], #8
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ldr d1, [A02], #8
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ins v8.s[0], v0.s[0]
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ins v9.s[0], v0.s[1]
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ins v8.s[1], v1.s[0]
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ins v9.s[1], v1.s[1]
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st1 {v8.2s, v9.2s}, [B00], #16
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.endm
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.macro COPY1x2
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ldr s0, [A01], #4
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ldr s1, [A02], #4
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ins v8.s[0], v0.s[0]
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ins v8.s[1], v1.s[0]
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st1 {v8.2s}, [B00], #8
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.endm
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.macro COPY1x1
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ldr s0, [A01], #4
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str s0, [B00], #4
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.endm
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/**************************************************************************************
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* End of macro definitions
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**************************************************************************************/
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PROLOGUE
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.align 5
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SAVE_REGS
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lsl LDA, LDA, #2 // LDA = LDA * SIZE
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.Lsgemm_ncopy_L8_BEGIN:
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asr J, N, #3 // J = N / 8
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cmp J, #0
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ble .Lsgemm_ncopy_L4_BEGIN
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.align 5
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.Lsgemm_ncopy_L8_M4_BEGIN:
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mov A01, A00
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add A02, A01, LDA
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add A03, A02, LDA
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add A04, A03, LDA
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add A05, A04, LDA
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add A06, A05, LDA
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add A07, A06, LDA
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add A08, A07, LDA
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add A00, A08, LDA
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asr I, M, #2 // I = M / 4
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cmp I, #0
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ble .Lsgemm_ncopy_L8_M4_40
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asr K, M, #4 // K = M / 16(cacheline)
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mov TEMP1, A01
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.align 5
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.Lsgemm_tcopy_L8_warnup_1:
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ldr s0, [TEMP1], #64
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subs K, K, #1
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bgt .Lsgemm_tcopy_L8_warnup_1
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asr K, M, #4 // K = M / 16(cacheline)
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mov TEMP1, A02
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.align 5
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.Lsgemm_tcopy_L8_warnup_2:
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ldr s0, [TEMP1], #64
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subs K, K, #1
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bgt .Lsgemm_tcopy_L8_warnup_2
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asr K, M, #4 // K = M / 16(cacheline)
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mov TEMP1, A03
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.align 5
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.Lsgemm_tcopy_L8_warnup_3:
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ldr s0, [TEMP1], #64
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subs K, K, #1
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bgt .Lsgemm_tcopy_L8_warnup_3
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asr K, M, #4 // K = M / 16(cacheline)
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mov TEMP1, A04
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.align 5
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.Lsgemm_tcopy_L8_warnup_4:
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ldr s0, [TEMP1], #64
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subs K, K, #1
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bgt .Lsgemm_tcopy_L8_warnup_4
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asr K, M, #4 // K = M / 16(cacheline)
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mov TEMP1, A05
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.align 5
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.Lsgemm_tcopy_L8_warnup_5:
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ldr s0, [TEMP1], #64
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subs K, K, #1
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bgt .Lsgemm_tcopy_L8_warnup_5
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asr K, M, #4 // K = M / 16(cacheline)
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mov TEMP1, A06
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.align 5
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.Lsgemm_tcopy_L8_warnup_6:
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ldr s0, [TEMP1], #64
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subs K, K, #1
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bgt .Lsgemm_tcopy_L8_warnup_6
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asr K, M, #4 // K = M / 16(cacheline)
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mov TEMP1, A07
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.align 5
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.Lsgemm_tcopy_L8_warnup_7:
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ldr s0, [TEMP1], #64
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subs K, K, #1
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bgt .Lsgemm_tcopy_L8_warnup_7
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asr K, M, #4 // K = M / 16(cacheline)
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mov TEMP1, A08
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.align 5
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.Lsgemm_tcopy_L8_warnup_8:
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ldr s0, [TEMP1], #64
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subs K, K, #1
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bgt .Lsgemm_tcopy_L8_warnup_8
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.align 5
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.Lsgemm_ncopy_L8_M4_20:
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COPY4x8
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subs I, I, #1
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bne .Lsgemm_ncopy_L8_M4_20
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.Lsgemm_ncopy_L8_M4_40:
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and I, M, #2
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cmp I, #0
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ble .Lsgemm_ncopy_L8_M4_60
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COPY2x8
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.Lsgemm_ncopy_L8_M4_60:
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and I, M, #1
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cmp I, #0
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ble .Lsgemm_ncopy_L8_M4_END
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COPY1x8
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.Lsgemm_ncopy_L8_M4_END:
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subs J , J, #1 // j--
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bne .Lsgemm_ncopy_L8_M4_BEGIN
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/*********************************************************************************************/
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.Lsgemm_ncopy_L4_BEGIN:
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tst N, #7
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ble .Lsgemm_ncopy_L999
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tst N, #4
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ble .Lsgemm_ncopy_L2_BEGIN
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.Lsgemm_ncopy_L4_M4_BEGIN:
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mov A01, A00
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add A02, A01, LDA
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add A03, A02, LDA
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add A04, A03, LDA
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add A00, A04, LDA
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asr I, M, #2 // I = M / 4
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cmp I, #0
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ble .Lsgemm_ncopy_L4_M4_40
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.align 5
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.Lsgemm_ncopy_L4_M4_20:
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COPY4x4
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subs I, I, #1
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bne .Lsgemm_ncopy_L4_M4_20
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.Lsgemm_ncopy_L4_M4_40:
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and I, M, #2
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cmp I, #0
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ble .Lsgemm_ncopy_L4_M4_60
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COPY2x4
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.Lsgemm_ncopy_L4_M4_60:
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and I, M, #1
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cmp I, #0
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ble .Lsgemm_ncopy_L4_M4_END
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COPY1x4
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.Lsgemm_ncopy_L4_M4_END:
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|
|
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/*********************************************************************************************/
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|
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.Lsgemm_ncopy_L2_BEGIN:
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|
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tst N, #2
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ble .Lsgemm_ncopy_L1_BEGIN
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|
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.Lsgemm_ncopy_L2_M4_BEGIN:
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|
|
|
mov A01, A00
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|
add A02, A01, LDA
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|
add A00, A02, LDA
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|
|
|
asr I, M, #2 // I = M / 4
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|
cmp I, #0
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|
ble .Lsgemm_ncopy_L2_M4_40
|
|
|
|
.align 5
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.Lsgemm_ncopy_L2_M4_20:
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|
|
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COPY4x2
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|
|
|
subs I , I , #1
|
|
bne .Lsgemm_ncopy_L2_M4_20
|
|
|
|
|
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.Lsgemm_ncopy_L2_M4_40:
|
|
|
|
and I, M, #2
|
|
cmp I, #0
|
|
ble .Lsgemm_ncopy_L2_M4_60
|
|
|
|
COPY2x2
|
|
|
|
.Lsgemm_ncopy_L2_M4_60:
|
|
|
|
and I, M, #1
|
|
cmp I, #0
|
|
ble .Lsgemm_ncopy_L2_M4_END
|
|
|
|
COPY1x2
|
|
|
|
.Lsgemm_ncopy_L2_M4_END:
|
|
|
|
.Lsgemm_ncopy_L1_BEGIN:
|
|
|
|
tst N, #1
|
|
ble .Lsgemm_ncopy_L999
|
|
|
|
.Lsgemm_ncopy_L1_M1_BEGIN:
|
|
|
|
mov A01, A00
|
|
|
|
mov I, M
|
|
cmp I, #0
|
|
ble .Lsgemm_ncopy_L1_M1_END
|
|
|
|
.align 5
|
|
.Lsgemm_ncopy_L1_M1_20:
|
|
|
|
COPY1x1
|
|
|
|
subs I, I, #1
|
|
bne .Lsgemm_ncopy_L1_M1_20
|
|
|
|
.Lsgemm_ncopy_L1_M1_END:
|
|
|
|
.Lsgemm_ncopy_L999:
|
|
|
|
mov x0, #0
|
|
RESTORE_REGS
|
|
ret
|
|
|
|
EPILOGUE
|