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cgemm_kernel_2x2_vfpv3.S
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/***************************************************************************
Copyright (c) 2013, The OpenBLAS Project
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.
3. Neither the name of the OpenBLAS project nor the names of
its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 OPENBLAS PROJECT 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.
*****************************************************************************/
/**************************************************************************************
* 2013/11/05 Saar
* BLASTEST : OK
* CTEST : OK
* TEST : OK
*
* 2013/11/01 Saar
* UNROLL_N 2
* UNROLL_M 2
* CGEMM_P 96
* CGEMM_Q 120
* CGEMM_R 4096
* A_PRE 96
* B_PRE 96
* C_PRE 64
*
* Performance on Odroid U2:
*
* 1 Core: 2.59 GFLOPS ATLAS: 2.37 GFLOPS
* 2 Cores: 5.17 GFLOPS ATLAS: 4.46 GFLOPS
* 3 Cores: 7.69 GFLOPS ATLAS: 6.50 GFLOPS
* 4 Cores: 10.22 GFLOPS ATLAS: 8.18 GFLOPS
**************************************************************************************/
#define ASSEMBLER
#include "common.h"
#define STACKSIZE 256
#define OLD_M r0
#define OLD_N r1
#define OLD_K r2
#define OLD_A r3
#define OLD_ALPHA_R s0
#define OLD_ALPHA_I s1
/******************************************************
* [fp, #-128] - [fp, #-64] is reserved
* for store and restore of floating point
* registers
*******************************************************/
#define A [fp, #-248 ]
#define LDC [fp, #-252 ]
#define M [fp, #-256 ]
#define N [fp, #-260 ]
#define K [fp, #-264 ]
#define FP_ZERO [fp, #-240]
#define FP_ZERO_0 [fp, # -240]
#define FP_ZERO_1 [fp, # -236]
#define ALPHA_I [fp, #-272]
#define ALPHA_R [fp, #-280]
#if !defined(__ARM_PCS_VFP)
#define OLD_ALPHAR_SOFTFP r3
#define OLD_ALPHAI_SOFTFP [fp, #4]
#define OLD_A_SOFTFP [fp, #8 ]
#define B [fp, #12 ]
#define C [fp, #16 ]
#define OLD_LDC [fp, #20 ]
#else
#define B [fp, #4 ]
#define C [fp, #8 ]
#define OLD_LDC [fp, #12 ]
#endif
#define I r0
#define J r1
#define L r2
#define AO r5
#define BO r6
#define CO1 r8
#define CO2 r9
#define K1 r7
#define BC r12
#define A_PRE 96
#define B_PRE 96
#define C_PRE 64
#if defined(NN) || defined(NT) || defined(TN) || defined(TT)
#define FADD_R fsubs
#define FADD_I fadds
#define FMAC_R1 vmls.f32
#define FMAC_R2 vmls.f32
#define FMAC_I1 fmacs
#define FMAC_I2 vmls.f32
#elif defined(CN) || defined(CT)
#define FADD_R fadds
#define FADD_I fsubs
#define FMAC_R1 fmacs
#define FMAC_R2 fmacs
#define FMAC_I1 vmls.f32
#define FMAC_I2 fmacs
#elif defined(NC) || defined(TC)
#define FADD_R fadds
#define FADD_I fsubs
#define FMAC_R1 fmacs
#define FMAC_R2 vmls.f32
#define FMAC_I1 fmacs
#define FMAC_I2 fmacs
#else
#define FADD_R fsubs
#define FADD_I fadds
#define FMAC_R1 vmls.f32
#define FMAC_R2 fmacs
#define FMAC_I1 vmls.f32
#define FMAC_I2 vmls.f32
#endif
/**************************************************************************************
* Macro definitions
**************************************************************************************/
.macro INIT2x2
flds s16, FP_ZERO
vmov.f32 s17, s16
vmov.f32 s18, s16
vmov.f32 s19, s16
vmov.f32 s20, s16
vmov.f32 s21, s16
vmov.f32 s22, s16
vmov.f32 s23, s16
vmov.f32 s24, s16
vmov.f32 s25, s16
vmov.f32 s26, s16
vmov.f32 s27, s16
vmov.f32 s28, s16
vmov.f32 s29, s16
vmov.f32 s30, s16
vmov.f32 s31, s16
.endm
.macro KERNEL2x2_I
pld [ AO , #A_PRE ]
pld [ BO , #B_PRE ]
vldmia.f32 AO!, { s0 - s1 }
vldmia.f32 BO!, { s8 - s9 }
fmuls s16 , s0, s8
fmuls s24 , s1, s9
vldmia.f32 AO!, { s2 - s3 }
fmuls s17 , s0, s9
fmuls s25 , s1, s8
vldmia.f32 BO!, { s10 - s11 }
fmuls s18 , s2, s8
fmuls s26 , s3, s9
vldmia.f32 AO!, { s4 - s5 }
fmuls s19 , s2, s9
fmuls s27 , s3, s8
vldmia.f32 BO!, { s12 - s13 }
fmuls s20 , s0, s10
fmuls s28 , s1, s11
vldmia.f32 AO!, { s6 - s7 }
fmuls s21 , s0, s11
fmuls s29 , s1, s10
vldmia.f32 BO!, { s14 - s15 }
fmuls s22 , s2, s10
fmuls s30 , s3, s11
fmuls s23 , s2, s11
fmuls s31 , s3, s10
.endm
.macro KERNEL2x2_M1
fmacs s16 , s0, s8
vldmia.f32 AO!, { s4 - s5 }
fmacs s24 , s1, s9
fmacs s17 , s0, s9
vldmia.f32 BO!, { s12 - s13 }
fmacs s25 , s1, s8
fmacs s18 , s2, s8
vldmia.f32 AO!, { s6 - s7 }
fmacs s26 , s3, s9
fmacs s19 , s2, s9
vldmia.f32 BO!, { s14 - s15 }
fmacs s27 , s3, s8
fmacs s20 , s0, s10
fmacs s28 , s1, s11
fmacs s21 , s0, s11
fmacs s29 , s1, s10
fmacs s22 , s2, s10
fmacs s30 , s3, s11
fmacs s23 , s2, s11
fmacs s31 , s3, s10
.endm
.macro KERNEL2x2_M2
pld [ AO , #A_PRE ]
fmacs s16 , s4, s12
pld [ BO , #B_PRE ]
fmacs s24 , s5, s13
fmacs s17 , s4, s13
vldmia.f32 AO!, { s0 - s1 }
fmacs s25 , s5, s12
fmacs s18 , s6, s12
fmacs s26 , s7, s13
vldmia.f32 BO!, { s8 - s9 }
fmacs s19 , s6, s13
fmacs s27 , s7, s12
vldmia.f32 AO!, { s2 - s3 }
fmacs s20 , s4, s14
fmacs s28 , s5, s15
vldmia.f32 BO!, { s10 - s11 }
fmacs s21 , s4, s15
fmacs s29 , s5, s14
fmacs s22 , s6, s14
fmacs s30 , s7, s15
fmacs s23 , s6, s15
fmacs s31 , s7, s14
.endm
.macro KERNEL2x2_E
fmacs s16 , s4, s12
fmacs s24 , s5, s13
fmacs s17 , s4, s13
fmacs s25 , s5, s12
fmacs s18 , s6, s12
fmacs s26 , s7, s13
fmacs s19 , s6, s13
fmacs s27 , s7, s12
fmacs s20 , s4, s14
fmacs s28 , s5, s15
fmacs s21 , s4, s15
fmacs s29 , s5, s14
fmacs s22 , s6, s14
fmacs s30 , s7, s15
fmacs s23 , s6, s15
fmacs s31 , s7, s14
.endm
.macro KERNEL2x2_SUB
vldmia.f32 AO!, { s0 - s1 }
vldmia.f32 BO!, { s8 - s9 }
fmacs s16 , s0, s8
fmacs s24 , s1, s9
vldmia.f32 AO!, { s2 - s3 }
fmacs s17 , s0, s9
fmacs s25 , s1, s8
vldmia.f32 BO!, { s10 - s11 }
fmacs s18 , s2, s8
fmacs s26 , s3, s9
fmacs s19 , s2, s9
fmacs s27 , s3, s8
fmacs s20 , s0, s10
fmacs s28 , s1, s11
fmacs s21 , s0, s11
fmacs s29 , s1, s10
fmacs s22 , s2, s10
fmacs s30 , s3, s11
fmacs s23 , s2, s11
fmacs s31 , s3, s10
.endm
.macro SAVE2x2
pld [ CO1 , #C_PRE ]
ldr r3 , LDC
add CO2 , CO1, r3
flds s0, ALPHA_R
flds s1, ALPHA_I
vldmia.f32 CO1, { s4 - s7 }
vldmia.f32 CO2, { s8 - s11 }
FADD_R s16, s24 , s16
FADD_I s17, s25 , s17
FADD_R s18, s26 , s18
FADD_I s19, s27 , s19
FADD_R s20, s28 , s20
FADD_I s21, s29 , s21
FADD_R s22, s30 , s22
FADD_I s23, s31 , s23
FMAC_R1 s4 , s0 , s16
FMAC_I1 s5 , s0 , s17
FMAC_R2 s4 , s1 , s17
FMAC_I2 s5 , s1 , s16
FMAC_R1 s6 , s0 , s18
FMAC_I1 s7 , s0 , s19
FMAC_R2 s6 , s1 , s19
FMAC_I2 s7 , s1 , s18
FMAC_R1 s8 , s0 , s20
FMAC_I1 s9 , s0 , s21
FMAC_R2 s8 , s1 , s21
FMAC_I2 s9 , s1 , s20
FMAC_R1 s10, s0 , s22
FMAC_I1 s11, s0 , s23
FMAC_R2 s10, s1 , s23
FMAC_I2 s11, s1 , s22
vstmia.f32 CO1, { s4 - s7 }
vstmia.f32 CO2, { s8 - s11 }
add CO1, CO1, #16
.endm
/******************************************************************************/
.macro INIT1x2
flds s16, FP_ZERO
vmov.f32 s17, s16
vmov.f32 s20, s16
vmov.f32 s21, s16
vmov.f32 s24, s16
vmov.f32 s25, s16
vmov.f32 s28, s16
vmov.f32 s29, s16
.endm
.macro KERNEL1x2_I
pld [ AO , #A_PRE ]
pld [ BO , #B_PRE ]
flds s0 , [ AO ]
flds s1 , [ AO, #4 ]
flds s8 , [ BO ]
flds s9 , [ BO, #4 ]
flds s10, [ BO, #8 ]
flds s11, [ BO, #12 ]
fmuls s16 , s0, s8
fmuls s24 , s1, s9
fmuls s17 , s0, s9
fmuls s25 , s1, s8
fmuls s20 , s0, s10
fmuls s28 , s1, s11
fmuls s21 , s0, s11
fmuls s29 , s1, s10
add BO , BO, #16
add AO , AO, #8
pld [ BO , #B_PRE ]
flds s4 , [ AO, #0 ]
flds s5 , [ AO, #4 ]
flds s12, [ BO ]
flds s13, [ BO, #4 ]
flds s14, [ BO, #8 ]
flds s15, [ BO, #12 ]
add BO , BO, #16
add AO , AO, #8
.endm
.macro KERNEL1x2_M1
pld [ BO , #B_PRE ]
fmacs s16 , s0, s8
fmacs s24 , s1, s9
fmacs s17 , s0, s9
fmacs s25 , s1, s8
fmacs s20 , s0, s10
fmacs s28 , s1, s11
fmacs s21 , s0, s11
fmacs s29 , s1, s10
flds s4 , [ AO, #0 ]
flds s5 , [ AO, #4 ]
flds s12, [ BO ]
flds s13, [ BO, #4 ]
flds s14, [ BO, #8 ]
flds s15, [ BO, #12 ]
add BO , BO, #16
add AO , AO, #8
.endm
.macro KERNEL1x2_M2
pld [ AO , #A_PRE ]
pld [ BO , #B_PRE ]
fmacs s16 , s4, s12
fmacs s24 , s5, s13
fmacs s17 , s4, s13
fmacs s25 , s5, s12
fmacs s20 , s4, s14
fmacs s28 , s5, s15
fmacs s21 , s4, s15
fmacs s29 , s5, s14
flds s0 , [ AO, #0 ]
flds s1 , [ AO, #4 ]
flds s8 , [ BO ]
flds s9 , [ BO, #4 ]
flds s10, [ BO, #8 ]
flds s11, [ BO, #12 ]
add BO , BO, #16
add AO , AO, #8
.endm
.macro KERNEL1x2_E
fmacs s16 , s4, s12
fmacs s24 , s5, s13
fmacs s17 , s4, s13
fmacs s25 , s5, s12
fmacs s20 , s4, s14
fmacs s28 , s5, s15
fmacs s21 , s4, s15
fmacs s29 , s5, s14
.endm
.macro KERNEL1x2_SUB
pld [ AO , #A_PRE ]
pld [ BO , #B_PRE ]
flds s0 , [ AO ]
flds s1 , [ AO, #4 ]
flds s8 , [ BO ]
flds s9 , [ BO, #4 ]
flds s10, [ BO, #8 ]
flds s11, [ BO, #12 ]
fmacs s16 , s0, s8
fmacs s24 , s1, s9
fmacs s17 , s0, s9
fmacs s25 , s1, s8
fmacs s20 , s0, s10
fmacs s28 , s1, s11
fmacs s21 , s0, s11
fmacs s29 , s1, s10
add BO , BO, #16
add AO , AO, #8
.endm
.macro SAVE1x2
pld [ CO1 , #C_PRE ]
ldr r3 , LDC
add CO2 , CO1, r3
flds s0, ALPHA_R
flds s1, ALPHA_I
vldmia.f32 CO1, { s4 - s5 }
vldmia.f32 CO2, { s8 - s9 }
FADD_R s16, s24 , s16
FADD_I s17, s25 , s17
FADD_R s20, s28 , s20
FADD_I s21, s29 , s21
FMAC_R1 s4 , s0 , s16
FMAC_I1 s5 , s0 , s17
FMAC_R2 s4 , s1 , s17
FMAC_I2 s5 , s1 , s16
FMAC_R1 s8 , s0 , s20
FMAC_I1 s9 , s0 , s21
FMAC_R2 s8 , s1 , s21
FMAC_I2 s9 , s1 , s20
vstmia.f32 CO1, { s4 - s5 }
vstmia.f32 CO2, { s8 - s9 }
add CO1, CO1, #8
.endm
/******************************************************************************/
.macro INIT2x1
flds s16, FP_ZERO
vmov.f32 s17, s16
vmov.f32 s18, s16
vmov.f32 s19, s16
vmov.f32 s24, s16
vmov.f32 s25, s16
vmov.f32 s26, s16
vmov.f32 s27, s16
.endm
.macro KERNEL2x1_I
pld [ AO , #A_PRE ]
pld [ BO , #B_PRE ]
flds s0 , [ AO ]
flds s1 , [ AO, #4 ]
flds s2 , [ AO, #8 ]
flds s3 , [ AO, #12 ]
flds s8 , [ BO ]
flds s9 , [ BO, #4 ]
fmuls s16 , s0, s8
fmuls s24 , s1, s9
fmuls s17 , s0, s9
fmuls s25 , s1, s8
fmuls s18 , s2, s8
fmuls s26 , s3, s9
fmuls s19 , s2, s9
fmuls s27 , s3, s8
add BO , BO, #8
add AO , AO, #16
pld [ BO , #B_PRE ]
pld [ AO , #A_PRE ]
flds s4 , [ AO, #0 ]
flds s5 , [ AO, #4 ]
flds s6 , [ AO, #8 ]
flds s7 , [ AO, #12 ]
flds s12, [ BO ]
flds s13, [ BO, #4 ]
add BO , BO, #8
add AO , AO, #16
.endm
.macro KERNEL2x1_M1
pld [ AO , #A_PRE ]
pld [ BO , #B_PRE ]
fmacs s16 , s0, s8
fmacs s24 , s1, s9
fmacs s17 , s0, s9
fmacs s25 , s1, s8
fmacs s18 , s2, s8
fmacs s26 , s3, s9
fmacs s19 , s2, s9
fmacs s27 , s3, s8
flds s4 , [ AO, #0 ]
flds s5 , [ AO, #4 ]
flds s6 , [ AO, #8 ]
flds s7 , [ AO, #12 ]
flds s12, [ BO ]
flds s13, [ BO, #4 ]
add BO , BO, #8
add AO , AO, #16
.endm
.macro KERNEL2x1_M2
pld [ AO , #A_PRE ]
pld [ BO , #B_PRE ]
fmacs s16 , s4, s12
fmacs s24 , s5, s13
fmacs s17 , s4, s13
fmacs s25 , s5, s12
fmacs s18 , s6, s12
fmacs s26 , s7, s13
fmacs s19 , s6, s13
fmacs s27 , s7, s12
flds s0 , [ AO, #0 ]
flds s1 , [ AO, #4 ]
flds s2 , [ AO, #8 ]
flds s3 , [ AO, #12 ]
flds s8 , [ BO ]
flds s9 , [ BO, #4 ]
add BO , BO, #8
add AO , AO, #16
.endm
.macro KERNEL2x1_E
fmacs s16 , s4, s12
fmacs s24 , s5, s13
fmacs s17 , s4, s13
fmacs s25 , s5, s12
fmacs s18 , s6, s12
fmacs s26 , s7, s13
fmacs s19 , s6, s13
fmacs s27 , s7, s12
.endm
.macro KERNEL2x1_SUB
pld [ AO , #A_PRE ]
pld [ BO , #B_PRE ]
flds s0 , [ AO ]
flds s1 , [ AO, #4 ]
flds s2 , [ AO, #8 ]
flds s3 , [ AO, #12 ]
flds s8 , [ BO ]
flds s9 , [ BO, #4 ]
fmacs s16 , s0, s8
fmacs s24 , s1, s9
fmacs s17 , s0, s9
fmacs s25 , s1, s8
fmacs s18 , s2, s8
fmacs s26 , s3, s9
fmacs s19 , s2, s9
fmacs s27 , s3, s8
add BO , BO, #8
add AO , AO, #16
.endm
.macro SAVE2x1
pld [ CO1 , #C_PRE ]
flds s0, ALPHA_R
flds s1, ALPHA_I
vldmia.f32 CO1, { s4 - s7 }
FADD_R s16, s24 , s16
FADD_I s17, s25 , s17
FADD_R s18, s26 , s18
FADD_I s19, s27 , s19
FMAC_R1 s4 , s0 , s16
FMAC_I1 s5 , s0 , s17
FMAC_R2 s4 , s1 , s17
FMAC_I2 s5 , s1 , s16
FMAC_R1 s6 , s0 , s18
FMAC_I1 s7 , s0 , s19
FMAC_R2 s6 , s1 , s19
FMAC_I2 s7 , s1 , s18
vstmia.f32 CO1, { s4 - s7 }
add CO1, CO1, #16
.endm
/******************************************************************************/
.macro INIT1x1
flds s16, FP_ZERO
vmov.f32 s17, s16
vmov.f32 s24, s16
vmov.f32 s25, s16
.endm
.macro KERNEL1x1_I
pld [ AO , #A_PRE ]
pld [ BO , #B_PRE ]
flds s0 , [ AO ]
flds s1 , [ AO, #4 ]
flds s8 , [ BO ]
flds s9 , [ BO, #4 ]
fmuls s16 , s0, s8
fmuls s24 , s1, s9
fmuls s17 , s0, s9
fmuls s25 , s1, s8
add BO , BO, #8
add AO , AO, #8
pld [ BO , #B_PRE ]
pld [ AO , #A_PRE ]
flds s4 , [ AO, #0 ]
flds s5 , [ AO, #4 ]
flds s12, [ BO ]
flds s13, [ BO, #4 ]
add BO , BO, #8
add AO , AO, #8
.endm
.macro KERNEL1x1_M1
fmacs s16 , s0, s8
fmacs s24 , s1, s9
fmacs s17 , s0, s9
fmacs s25 , s1, s8
flds s4 , [ AO, #0 ]
flds s5 , [ AO, #4 ]
flds s12, [ BO ]
flds s13, [ BO, #4 ]
add BO , BO, #8
add AO , AO, #8
.endm
.macro KERNEL1x1_M2
fmacs s16 , s4, s12
fmacs s24 , s5, s13
fmacs s17 , s4, s13
fmacs s25 , s5, s12
flds s0 , [ AO, #0 ]
flds s1 , [ AO, #4 ]
flds s8 , [ BO ]
flds s9 , [ BO, #4 ]
add BO , BO, #8
add AO , AO, #8
.endm
.macro KERNEL1x1_E
fmacs s16 , s4, s12
fmacs s24 , s5, s13
fmacs s17 , s4, s13
fmacs s25 , s5, s12
.endm
.macro KERNEL1x1_SUB
flds s0 , [ AO ]
flds s1 , [ AO, #4 ]
flds s8 , [ BO ]
flds s9 , [ BO, #4 ]
fmacs s16 , s0, s8
fmacs s24 , s1, s9
fmacs s17 , s0, s9
fmacs s25 , s1, s8
add BO , BO, #8
add AO , AO, #8
.endm
.macro SAVE1x1
pld [ CO1 , #C_PRE ]
flds s0, ALPHA_R
flds s1, ALPHA_I
vldmia.f32 CO1, { s4 - s5 }
FADD_R s16, s24 , s16
FADD_I s17, s25 , s17
FMAC_R1 s4 , s0 , s16
FMAC_I1 s5 , s0 , s17
FMAC_R2 s4 , s1 , s17
FMAC_I2 s5 , s1 , s16
vstmia.f32 CO1, { s4 - s5 }
add CO1, CO1, #8
.endm
/******************************************************************************/
/**************************************************************************************
* End of macro definitions
**************************************************************************************/
PROLOGUE
.align 5
push {r4 - r9, fp}
add fp, sp, #24
sub sp, sp, #STACKSIZE // reserve stack
#if !defined(__ARM_PCS_VFP)
vmov OLD_ALPHA_R, OLD_ALPHAR_SOFTFP
vldr OLD_ALPHA_I, OLD_ALPHAI_SOFTFP
ldr OLD_A, OLD_A_SOFTFP
#endif
str OLD_M, M
str OLD_N, N
str OLD_K, K
str OLD_A, A
vstr OLD_ALPHA_R, ALPHA_R
vstr OLD_ALPHA_I, ALPHA_I
sub r3, fp, #128
vstm r3, { s8 - s31} // store floating point registers
movs r4, #0
str r4, FP_ZERO
str r4, FP_ZERO_1
ldr r3, OLD_LDC
lsl r3, r3, #3 // ldc = ldc * 4 * 2
str r3, LDC
ldr K1, K
ldr BC, B
ldr J, N
asrs J, J, #1 // J = J / 2
ble cgemm_kernel_L1_BEGIN
cgemm_kernel_L2_BEGIN:
ldr CO1, C // CO1 = C
ldr r4 , LDC
lsl r4 , r4 , #1 // LDC * 2
add r3 , r4, CO1
str r3 , C // store C
ldr AO, A // AO = A
pld [AO , #A_PRE-64]
pld [AO , #A_PRE-32]
cgemm_kernel_L2_M2_BEGIN:
ldr I, M
asrs I, I, #1 // I = I / 2
ble cgemm_kernel_L2_M1_BEGIN
cgemm_kernel_L2_M2_20:
mov BO, BC
asrs L , K1, #3 // L = L / 8
cmp L , #3
blt cgemm_kernel_L2_M2_30
.align 5
KERNEL2x2_I
KERNEL2x2_M2
KERNEL2x2_M1
KERNEL2x2_M2
KERNEL2x2_M1
KERNEL2x2_M2
KERNEL2x2_M1
KERNEL2x2_M2
sub L, L, #2
cgemm_kernel_L2_M2_22:
KERNEL2x2_M1
KERNEL2x2_M2
KERNEL2x2_M1
KERNEL2x2_M2
KERNEL2x2_M1
KERNEL2x2_M2
KERNEL2x2_M1
KERNEL2x2_M2
subs L, L, #1
bgt cgemm_kernel_L2_M2_22
KERNEL2x2_M1
KERNEL2x2_M2
KERNEL2x2_M1
KERNEL2x2_M2
KERNEL2x2_M1
KERNEL2x2_M2
KERNEL2x2_M1
KERNEL2x2_E
b cgemm_kernel_L2_M2_44
cgemm_kernel_L2_M2_30:
tst L, #3
ble cgemm_kernel_L2_M2_40
tst L, #2
ble cgemm_kernel_L2_M2_32
KERNEL2x2_I
KERNEL2x2_M2
KERNEL2x2_M1
KERNEL2x2_M2
KERNEL2x2_M1
KERNEL2x2_M2
KERNEL2x2_M1