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mat_mult.S
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257 lines (206 loc) · 9.48 KB
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/**
* @file mat_mult.S
* @author Ricard Bitriá Ribes (https://github.com/dracir9)
* Created Date: 23-05-2023
* -----
* Last Modified: 23-09-2025
* Modified By: Ricard Bitriá Ribes
* -----
* @copyright (c) 2023 Ricard Bitriá Ribes
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#if defined __has_include
#if __has_include ("sdkconfig.h")
#include "sdkconfig.h"
#endif
#endif
#ifdef CONFIG_IDF_TARGET_ESP32S3
// Matrix multipliction functions for ESP32-S3 processor.
.text
.align 4
.global mult_4x4x4_asm
.type mult_4x4x4_asm,@function
// esp_err_t mult_4x4x4_asm(const float* A, const float* B, float* C);
mult_4x4x4_asm:
entry a1, 16
// A - a2
// B - a3
// C - a4
// Start matrix multiplication
// First row
EE.LDF.128.IP f11, f10, f9, f8, a2, 16 // Load A values: X11, X12, X13, X14
EE.LDF.128.IP f7, f6, f5, f4, a3, 16 // Load B value: Y11, Y12, Y13, Y14
mul.s f0, f4, f8 // f0 = X11*Y11
mul.s f1, f5, f8 // f1 = X11*Y12
mul.s f2, f6, f8 // f2 = X11*Y13
mul.s f3, f7, f8 // f3 = X11*Y14
EE.LDF.128.IP f7, f6, f5, f4, a3, 16 // Load B value: Y21, Y22, Y23, Y24
madd.s f0, f4, f9 // f0 = X11*Y11 + X12*Y21
madd.s f1, f5, f9 // f1 = X11*Y12 + X12*Y22
madd.s f2, f6, f9 // f2 = X11*Y13 + X12*Y23
madd.s f3, f7, f9 // f3 = X11*Y14 + X12*Y24
EE.LDF.128.IP f7, f6, f5, f4, a3, 16 // Load B value: Y31, Y32, Y33, Y34
madd.s f0, f4, f10 // f0 = X11*Y11 + X12*Y21 + X13*Y31
madd.s f1, f5, f10 // f1 = X11*Y12 + X12*Y22 + X13*Y32
madd.s f2, f6, f10 // f2 = X11*Y13 + X12*Y23 + X13*Y33
madd.s f3, f7, f10 // f3 = X11*Y14 + X12*Y24 + X13*Y34
EE.LDF.128.IP f7, f6, f5, f4, a3, -16 // Load B value: Y41, Y42, Y43, Y44
madd.s f0, f4, f11 // f0 = X11*Y11 + X12*Y21 + X13*Y31 + X14*Y41
madd.s f1, f5, f11 // f1 = X11*Y12 + X12*Y22 + X13*Y32 + X14*Y42
madd.s f2, f6, f11 // f2 = X11*Y13 + X12*Y23 + X13*Y33 + X14*Y43
madd.s f3, f7, f11 // f3 = X11*Y14 + X12*Y24 + X13*Y34 + X14*Y44
EE.STF.128.IP f3, f2, f1, f0, a4, 16 // Store result
// Second row - Now moving backwards through matrix B to reduce memory loads
EE.LDF.128.IP f11, f10, f9, f8, a2, 16 // Load A values: X21, X22, X23, X24
mul.s f0, f4, f11 // f0 = X24*Y41
mul.s f1, f5, f11 // f1 = X24*Y42
mul.s f2, f6, f11 // f2 = X24*Y43
mul.s f3, f7, f11 // f3 = X24*Y44
EE.LDF.128.IP f7, f6, f5, f4, a3, -16 // Load B value: Y31, Y32, Y33, Y34
madd.s f0, f4, f10 // f0 = X23*Y31 + X24*Y41
madd.s f1, f5, f10 // f1 = X23*Y32 + X24*Y42
madd.s f2, f6, f10 // f2 = X23*Y33 + X24*Y43
madd.s f3, f7, f10 // f3 = X23*Y34 + X24*Y44
EE.LDF.128.IP f7, f6, f5, f4, a3, -16 // Load B value: Y21, Y22, Y23, Y24
madd.s f0, f4, f9 // f0 = X22*Y21 + X23*Y31 + X24*Y41
madd.s f1, f5, f9 // f1 = X22*Y22 + X23*Y32 + X24*Y42
madd.s f2, f6, f9 // f2 = X22*Y23 + X23*Y33 + X24*Y43
madd.s f3, f7, f9 // f3 = X22*Y24 + X23*Y34 + X24*Y44
EE.LDF.128.IP f7, f6, f5, f4, a3, 16 // Load B value: Y11, Y12, Y13, Y14
madd.s f0, f4, f8 // f0 = X21*Y11 + X22*Y21 + X23*Y31 + X24*Y41
madd.s f1, f5, f8 // f1 = X21*Y12 + X22*Y22 + X23*Y32 + X24*Y42
madd.s f2, f6, f8 // f2 = X21*Y13 + X22*Y23 + X23*Y33 + X24*Y43
madd.s f3, f7, f8 // f3 = X21*Y14 + X22*Y24 + X23*Y34 + X24*Y44
EE.STF.128.IP f3, f2, f1, f0, a4, 16 // Store result
// Third row - Now moving forward
EE.LDF.128.IP f11, f10, f9, f8, a2, 16 // Load A values: X31, X32, X33, X34
mul.s f0, f4, f8 // f0 = X31*Y11
mul.s f1, f5, f8 // f1 = X31*Y12
mul.s f2, f6, f8 // f2 = X31*Y13
mul.s f3, f7, f8 // f3 = X31*Y14
EE.LDF.128.IP f7, f6, f5, f4, a3, 16 // Load B value: Y21, Y22, Y23, Y24
madd.s f0, f4, f9 // f0 = X31*Y11 + X32*Y21
madd.s f1, f5, f9 // f1 = X31*Y12 + X32*Y22
madd.s f2, f6, f9 // f2 = X31*Y13 + X32*Y23
madd.s f3, f7, f9 // f3 = X31*Y14 + X32*Y24
EE.LDF.128.IP f7, f6, f5, f4, a3, 16 // Load B value: Y31, Y32, Y33, Y34
madd.s f0, f4, f10 // f0 = X31*Y11 + X32*Y21 + X33*Y31
madd.s f1, f5, f10 // f1 = X31*Y12 + X32*Y22 + X33*Y32
madd.s f2, f6, f10 // f2 = X31*Y13 + X32*Y23 + X33*Y33
madd.s f3, f7, f10 // f3 = X31*Y14 + X32*Y24 + X33*Y34
EE.LDF.128.IP f7, f6, f5, f4, a3, -16 // Load B value: Y41, Y42, Y43, Y44
madd.s f0, f4, f11 // f0 = X31*Y11 + X32*Y21 + X33*Y31 + X34*Y41
madd.s f1, f5, f11 // f1 = X31*Y12 + X32*Y22 + X33*Y32 + X34*Y42
madd.s f2, f6, f11 // f2 = X31*Y13 + X32*Y23 + X33*Y33 + X34*Y43
madd.s f3, f7, f11 // f3 = X31*Y14 + X32*Y24 + X33*Y34 + X34*Y44
EE.STF.128.IP f3, f2, f1, f0, a4, 16 // Store result
// Forth row - Now moving backwards
EE.LDF.128.IP f11, f10, f9, f8, a2, 16 // Load A values: X41, X42, X43, X44
mul.s f0, f4, f11 // f0 = X44*Y41
mul.s f1, f5, f11 // f1 = X44*Y42
mul.s f2, f6, f11 // f2 = X44*Y43
mul.s f3, f7, f11 // f3 = X44*Y44
EE.LDF.128.IP f7, f6, f5, f4, a3, -16 // Load B value: Y31, Y32, Y33, Y34
madd.s f0, f4, f10 // f0 = X43*Y31 + X44*Y41
madd.s f1, f5, f10 // f1 = X43*Y32 + X44*Y42
madd.s f2, f6, f10 // f2 = X43*Y33 + X44*Y43
madd.s f3, f7, f10 // f3 = X43*Y34 + X44*Y44
EE.LDF.128.IP f7, f6, f5, f4, a3, -16 // Load B value: Y21, Y22, Y23, Y24
madd.s f0, f4, f9 // f0 = X42*Y21 + X43*Y31 + X44*Y41
madd.s f1, f5, f9 // f1 = X42*Y22 + X43*Y32 + X44*Y42
madd.s f2, f6, f9 // f2 = X42*Y23 + X43*Y33 + X44*Y43
madd.s f3, f7, f9 // f3 = X42*Y24 + X43*Y34 + X44*Y44
EE.LDF.128.IP f7, f6, f5, f4, a3, 16 // Load B value: Y11, Y12, Y13, Y14
madd.s f0, f4, f8 // f0 = X41*Y11 + X42*Y21 + X43*Y31 + X44*Y41
madd.s f1, f5, f8 // f1 = X41*Y12 + X42*Y22 + X43*Y32 + X44*Y42
madd.s f2, f6, f8 // f2 = X41*Y13 + X42*Y23 + X43*Y33 + X44*Y43
madd.s f3, f7, f8 // f3 = X41*Y14 + X42*Y24 + X43*Y34 + X44*Y44
EE.STF.128.IP f3, f2, f1, f0, a4, 0 // Store result
movi.n a2, 0 // return status ESP_OK
retw.n
// END
// Vector * Matrix
.align 4
.global mult_1x4x4_asm
.type mult_1x4x4_asm,@function
// esp_err_t mult_1x4x4_asm(const float* v, const float* M, float* u);
mult_1x4x4_asm:
entry a1, 16
// v - a2
// M - a3
// u - a4
EE.LDF.128.IP f11, f10, f9, f8, a2, 16 // Load v values: X11, X12, X13, X14
EE.LDF.128.IP f7, f6, f5, f4, a3, 16 // Load M value: Y11, Y12, Y13, Y14
mul.s f0, f4, f8 // f0 = X11*Y11
mul.s f1, f5, f8 // f1 = X11*Y12
mul.s f2, f6, f8 // f2 = X11*Y13
mul.s f3, f7, f8 // f3 = X11*Y14
EE.LDF.128.IP f7, f6, f5, f4, a3, 16 // Load M value: Y21, Y22, Y23, Y24
madd.s f0, f4, f9 // f0 = X11*Y11 + X12*Y21
madd.s f1, f5, f9 // f1 = X11*Y12 + X12*Y22
madd.s f2, f6, f9 // f2 = X11*Y13 + X12*Y23
madd.s f3, f7, f9 // f3 = X11*Y14 + X12*Y24
EE.LDF.128.IP f7, f6, f5, f4, a3, 16 // Load M value: Y31, Y32, Y33, Y34
madd.s f0, f4, f10 // f0 = X11*Y11 + X12*Y21 + X13*Y31
madd.s f1, f5, f10 // f1 = X11*Y12 + X12*Y22 + X13*Y32
madd.s f2, f6, f10 // f2 = X11*Y13 + X12*Y23 + X13*Y33
madd.s f3, f7, f10 // f3 = X11*Y14 + X12*Y24 + X13*Y34
EE.LDF.128.IP f7, f6, f5, f4, a3, 0 // Load M value: Y41, Y42, Y43, Y44
madd.s f0, f4, f11 // f0 = X11*Y11 + X12*Y21 + X13*Y31 + X14*Y41
madd.s f1, f5, f11 // f1 = X11*Y12 + X12*Y22 + X13*Y32 + X14*Y42
madd.s f2, f6, f11 // f2 = X11*Y13 + X12*Y23 + X13*Y33 + X14*Y43
madd.s f3, f7, f11 // f3 = X11*Y14 + X12*Y24 + X13*Y34 + X14*Y44
EE.STF.128.IP f3, f2, f1, f0, a4, 16 // Store result
movi.n a2, 0 // return status ESP_OK
retw.n
// END
// Matrix * scalar
.align 4
.global mult_4x4xS_asm
.type mult_4x4xS_asm,@function
// esp_err_t mult_4x4xS_asm(const float* A, const float* s, float* C);
mult_4x4xS_asm:
entry a1, 16
// A - a2
// s - a3
// C - a4
lsi f8, a3, 0
EE.LDF.128.IP f7, f6, f5, f4, a2, 16 // Load A values: X11, X12, X13, X14
mul.s f0, f4, f8 // f0 = X11*s
mul.s f1, f5, f8 // f1 = X12*s
mul.s f2, f6, f8 // f2 = X13*s
mul.s f3, f7, f8 // f3 = X14*s
EE.STF.128.IP f3, f2, f1, f0, a4, 16 // Store result
EE.LDF.128.IP f7, f6, f5, f4, a2, 16 // Load A values: X21, X22, X23, X24
mul.s f0, f4, f8 // f0 = X21*s
mul.s f1, f5, f8 // f1 = X22*s
mul.s f2, f6, f8 // f2 = X23*s
mul.s f3, f7, f8 // f3 = X24*s
EE.STF.128.IP f3, f2, f1, f0, a4, 16 // Store result
EE.LDF.128.IP f7, f6, f5, f4, a2, 16 // Load A values: X31, X32, X33, X34
mul.s f0, f4, f8 // f0 = X31*s
mul.s f1, f5, f8 // f1 = X32*s
mul.s f2, f6, f8 // f2 = X33*s
mul.s f3, f7, f8 // f3 = X34*s
EE.STF.128.IP f3, f2, f1, f0, a4, 16 // Store result
EE.LDF.128.IP f7, f6, f5, f4, a2, 16 // Load A values: X41, X42, X43, X44
mul.s f0, f4, f8 // f0 = X41*s
mul.s f1, f5, f8 // f1 = X42*s
mul.s f2, f6, f8 // f2 = X43*s
mul.s f3, f7, f8 // f3 = X44*s
EE.STF.128.IP f3, f2, f1, f0, a4, 0 // Store result
movi.n a2, 0 // return status ESP_OK
retw.n
#endif