/*************************************************************************** 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] #define B [fp, #4 ] #define C [fp, #8 ] #define OLD_LDC [fp, #12 ] #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 fnmacs #define FMAC_R2 fnmacs #define FMAC_I1 fmacs #define FMAC_I2 fnmacs #elif defined(CN) || defined(CT) #define FADD_R fadds #define FADD_I fsubs #define FMAC_R1 fmacs #define FMAC_R2 fmacs #define FMAC_I1 fnmacs #define FMAC_I2 fmacs #elif defined(NC) || defined(TC) #define FADD_R fadds #define FADD_I fsubs #define FMAC_R1 fmacs #define FMAC_R2 fnmacs #define FMAC_I1 fmacs #define FMAC_I2 fmacs #else #define FADD_R fsubs #define FADD_I fadds #define FMAC_R1 fnmacs #define FMAC_R2 fmacs #define FMAC_I1 fnmacs #define FMAC_I2 fnmacs #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 ] fldmias AO!, { s0 - s1 } fldmias BO!, { s8 - s9 } fmuls s16 , s0, s8 fmuls s24 , s1, s9 fldmias AO!, { s2 - s3 } fmuls s17 , s0, s9 fmuls s25 , s1, s8 fldmias BO!, { s10 - s11 } fmuls s18 , s2, s8 fmuls s26 , s3, s9 fldmias AO!, { s4 - s5 } fmuls s19 , s2, s9 fmuls s27 , s3, s8 fldmias BO!, { s12 - s13 } fmuls s20 , s0, s10 fmuls s28 , s1, s11 fldmias AO!, { s6 - s7 } fmuls s21 , s0, s11 fmuls s29 , s1, s10 fldmias 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 fldmias AO!, { s4 - s5 } fmacs s24 , s1, s9 fmacs s17 , s0, s9 fldmias BO!, { s12 - s13 } fmacs s25 , s1, s8 fmacs s18 , s2, s8 fldmias AO!, { s6 - s7 } fmacs s26 , s3, s9 fmacs s19 , s2, s9 fldmias 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 fldmias AO!, { s0 - s1 } fmacs s25 , s5, s12 fmacs s18 , s6, s12 fmacs s26 , s7, s13 fldmias BO!, { s8 - s9 } fmacs s19 , s6, s13 fmacs s27 , s7, s12 fldmias AO!, { s2 - s3 } fmacs s20 , s4, s14 fmacs s28 , s5, s15 fldmias 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 fldmias AO!, { s0 - s1 } fldmias BO!, { s8 - s9 } fmacs s16 , s0, s8 fmacs s24 , s1, s9 fldmias AO!, { s2 - s3 } fmacs s17 , s0, s9 fmacs s25 , s1, s8 fldmias 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 fldmias CO1, { s4 - s7 } fldmias 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 fstmias CO1, { s4 - s7 } fstmias 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 fldmias CO1, { s4 - s5 } fldmias 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 fstmias CO1, { s4 - s5 } fstmias 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 fldmias 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 fstmias 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 fldmias 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 fstmias 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 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 KERNEL2x2_M2 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_32: tst L, #1 ble cgemm_kernel_L2_M2_40 KERNEL2x2_I KERNEL2x2_M2 KERNEL2x2_M1 KERNEL2x2_M2 KERNEL2x2_M1 KERNEL2x2_M2 KERNEL2x2_M1 KERNEL2x2_E b cgemm_kernel_L2_M2_44 cgemm_kernel_L2_M2_40: INIT2x2 cgemm_kernel_L2_M2_44: ands L , K1, #7 // L = L % 8 ble cgemm_kernel_L2_M2_100 cgemm_kernel_L2_M2_46: KERNEL2x2_SUB subs L, L, #1 bne cgemm_kernel_L2_M2_46 cgemm_kernel_L2_M2_100: SAVE2x2 cgemm_kernel_L2_M2_END: subs I, I, #1 bne cgemm_kernel_L2_M2_20 cgemm_kernel_L2_M1_BEGIN: ldr I, M tst I, #1 // I = I % 2 ble cgemm_kernel_L2_END cgemm_kernel_L2_M1_20: INIT1x2 mov BO, BC asrs L , K1, #3 // L = L / 8 ble cgemm_kernel_L2_M1_40 cgemm_kernel_L2_M1_22: KERNEL1x2_SUB KERNEL1x2_SUB KERNEL1x2_SUB KERNEL1x2_SUB KERNEL1x2_SUB KERNEL1x2_SUB KERNEL1x2_SUB KERNEL1x2_SUB subs L, L, #1 bgt cgemm_kernel_L2_M1_22 cgemm_kernel_L2_M1_40: ands L , K1, #7 // L = L % 8 ble cgemm_kernel_L2_M1_100 cgemm_kernel_L2_M1_42: KERNEL1x2_SUB subs L, L, #1 bgt cgemm_kernel_L2_M1_42 cgemm_kernel_L2_M1_100: SAVE1x2 cgemm_kernel_L2_END: mov r3, BC mov r4, K1 lsl r4, r4, #4 // k * 2 * 4 * 2 add r3, r3, r4 // B = B + K * 2 * 8 mov BC, r3 subs J , #1 // j-- bgt cgemm_kernel_L2_BEGIN /*********************************************************************************************/ cgemm_kernel_L1_BEGIN: ldr J , N tst J , #1 ble cgemm_kernel_L999 ldr CO1, C // CO1 = C ldr r4 , LDC add r3 , r4, CO1 str r3 , C // store C ldr AO, A // AO = A cgemm_kernel_L1_M2_BEGIN: ldr I, M asrs I, I, #1 // I = I / 2 ble cgemm_kernel_L1_M1_BEGIN cgemm_kernel_L1_M2_20: mov BO, BC asrs L , K1, #3 // L = L / 8 cmp L , #3 blt cgemm_kernel_L1_M2_30 .align 5 KERNEL2x1_I KERNEL2x1_M2 KERNEL2x1_M1 KERNEL2x1_M2 KERNEL2x1_M1 KERNEL2x1_M2 KERNEL2x1_M1 KERNEL2x1_M2 sub L, L, #2 cgemm_kernel_L1_M2_22: KERNEL2x1_M1 KERNEL2x1_M2 KERNEL2x1_M1 KERNEL2x1_M2 KERNEL2x1_M1 KERNEL2x1_M2 KERNEL2x1_M1 KERNEL2x1_M2 subs L, L, #1 bgt cgemm_kernel_L1_M2_22 KERNEL2x1_M1 KERNEL2x1_M2 KERNEL2x1_M1 KERNEL2x1_M2 KERNEL2x1_M1 KERNEL2x1_M2 KERNEL2x1_M1 KERNEL2x1_E b cgemm_kernel_L1_M2_44 cgemm_kernel_L1_M2_30: tst L, #3 ble cgemm_kernel_L1_M2_40 tst L, #2 ble cgemm_kernel_L1_M2_32 KERNEL2x1_I KERNEL2x1_M2 KERNEL2x1_M1 KERNEL2x1_M2 KERNEL2x1_M1 KERNEL2x1_M2 KERNEL2x1_M1 KERNEL2x1_M2 KERNEL2x1_M1 KERNEL2x1_M2 KERNEL2x1_M1 KERNEL2x1_M2 KERNEL2x1_M1 KERNEL2x1_M2 KERNEL2x1_M1 KERNEL2x1_E b cgemm_kernel_L1_M2_44 cgemm_kernel_L1_M2_32: tst L, #1 ble cgemm_kernel_L1_M2_40 KERNEL2x1_I KERNEL2x1_M2 KERNEL2x1_M1 KERNEL2x1_M2 KERNEL2x1_M1 KERNEL2x1_M2 KERNEL2x1_M1 KERNEL2x1_E b cgemm_kernel_L1_M2_44 cgemm_kernel_L1_M2_40: INIT2x1 cgemm_kernel_L1_M2_44: ands L , K1, #7 // L = L % 8 ble cgemm_kernel_L1_M2_100 cgemm_kernel_L1_M2_46: KERNEL2x1_SUB subs L, L, #1 bne cgemm_kernel_L1_M2_46 cgemm_kernel_L1_M2_100: SAVE2x1 cgemm_kernel_L1_M2_END: subs I, I, #1 bne cgemm_kernel_L1_M2_20 cgemm_kernel_L1_M1_BEGIN: ldr I, M tst I, #1 // I = I % 2 ble cgemm_kernel_L1_END cgemm_kernel_L1_M1_20: INIT1x1 mov BO, BC asrs L , K1, #3 // L = L / 8 ble cgemm_kernel_L1_M1_40 cgemm_kernel_L1_M1_22: KERNEL1x1_SUB KERNEL1x1_SUB KERNEL1x1_SUB KERNEL1x1_SUB KERNEL1x1_SUB KERNEL1x1_SUB KERNEL1x1_SUB KERNEL1x1_SUB subs L, L, #1 bgt cgemm_kernel_L1_M1_22 cgemm_kernel_L1_M1_40: ands L , K1, #7 // L = L % 8 ble cgemm_kernel_L1_M1_100 cgemm_kernel_L1_M1_42: KERNEL1x1_SUB subs L, L, #1 bgt cgemm_kernel_L1_M1_42 cgemm_kernel_L1_M1_100: SAVE1x1 cgemm_kernel_L1_END: cgemm_kernel_L999: sub r3, fp, #128 vldm r3, { s8 - s31} // restore floating point registers movs r0, #0 // set return value sub sp, fp, #24 pop {r4 - r9, fp} bx lr EPILOGUE