/******************************************************************************* Copyright (c) 2024, 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. *******************************************************************************/ #define ASSEMBLER #include "common.h" /* Function parameters */ #define M $r4 // param 1: m #define N $r5 // param 2: n #define SRC $r6 // param 3: src #define LDA $r7 // param 4: lda #define DST $r8 // param 5: dst #define I $r9 #define J $r10 #define S1 $r12 #define S2 $r13 #define S3 $r14 #define S4 $r15 #define TD $r16 #define TS $r17 #define TL $r18 #define T0 $r19 #define S8 $r20 #define S9 $r23 #define S10 $r11 #define ZERO $r0 #define F0 $f0 #define F1 $f1 #define F2 $f2 #define F3 $f3 #define F4 $f4 #define F5 $f5 #define F6 $f6 #define F7 $f7 /* LSX vectors */ #define U0 $vr0 #define U1 $vr1 #define U2 $vr2 #define U3 $vr3 #define U4 $vr4 #define U5 $vr5 #define U6 $vr6 #define U7 $vr7 #define U8 $vr8 #define U9 $vr9 #define U10 $vr10 #define U11 $vr11 #define U12 $vr12 #define U13 $vr13 #define U14 $vr14 #define U15 $vr15 PROLOGUE addi.d $sp, $sp, -8 SDARG $r23, $sp, 0 move TS, SRC //aoffset move TD, DST //boffset slli.d TL, LDA, 0x03 //lda slli.d TL, TL, 0x01 //lda ori T0, ZERO, 0x03 andn T0, N, T0 mul.d T0, M, T0 slli.d T0, T0, 0x01 slli.d T0, T0, 0x03 add.d S9, DST, T0 //boffset2 ori T0, ZERO, 0x01 andn T0, N, T0 mul.d T0, M, T0 slli.d T0, T0, 0x01 slli.d T0, T0, 0x03 add.d S10, DST, T0 //boffset3 srai.d J, M, 0x02 //j beq J, ZERO, .L_M1 .L_J1: /* if(j>0) j--*/ move S1, TS //aoffset1 add.d S2, S1, TL add.d S3, S2, TL add.d S4, S3, TL slli.d T0, TL, 0x02 add.d TS, TS, T0 move S8, TD //boffset1 addi.d TD, TD, 0x100 srai.d I, N, 0x02 beq ZERO, I, .L_JN1 .L_JI1: /* if(i>0) i--*/ vld U0, S1, 0x00 vld U1, S1, 0x10 vld U2, S1, 0x20 vld U3, S1, 0x30 vld U4, S2, 0x00 vld U5, S2, 0x10 vld U6, S2, 0x20 vld U7, S2, 0x30 vld U8, S3, 0x00 vld U9, S3, 0x10 vld U10, S3, 0x20 vld U11, S3, 0x30 vld U12, S4, 0x00 vld U13, S4, 0x10 vld U14, S4, 0x20 vld U15, S4, 0x30 vst U0, S8, 0x00 vst U1, S8, 0x10 vst U2, S8, 0x20 vst U3, S8, 0x30 vst U4, S8, 0x40 vst U5, S8, 0x50 vst U6, S8, 0x60 vst U7, S8, 0x70 vst U8, S8, 0x80 vst U9, S8, 0x90 vst U10, S8, 0xa0 vst U11, S8, 0xb0 vst U12, S8, 0xc0 vst U13, S8, 0xd0 vst U14, S8, 0xe0 vst U15, S8, 0xf0 addi.d S1, S1, 0x40 addi.d S2, S2, 0x40 addi.d S3, S3, 0x40 addi.d S4, S4, 0x40 slli.d T0, M, 0x06 add.d S8, S8, T0 addi.d I, I, -1 blt ZERO, I, .L_JI1 .L_JN1: /* if(n&2) */ andi I, N, 0x02 beq ZERO, I, .L_JN2 vld U0, S1, 0x00 vld U1, S1, 0x10 vld U2, S2, 0x00 vld U3, S2, 0x10 vld U4, S3, 0x00 vld U5, S3, 0x10 vld U6, S4, 0x00 vld U7, S4, 0x10 vst U0, S9, 0x00 vst U1, S9, 0x10 vst U2, S9, 0x20 vst U3, S9, 0x30 vst U4, S9, 0x40 vst U5, S9, 0x50 vst U6, S9, 0x60 vst U7, S9, 0x70 addi.d S1, S1, 0x20 addi.d S2, S2, 0x20 addi.d S3, S3, 0x20 addi.d S4, S4, 0x20 addi.d S9, S9, 0x80 .L_JN2: /* if(n&1) */ andi I, N, 0x01 beq ZERO, I, .L_J0 vld U0, S1, 0x00 vld U1, S2, 0x00 vld U2, S3, 0x00 vld U3, S4, 0x00 vst U0, S10, 0x00 vst U1, S10, 0x10 vst U2, S10, 0x20 vst U3, S10, 0x30 addi.d S10, S10, 0x40 .L_J0: addi.d J, J, -1 blt ZERO, J, .L_J1 .L_M1: /* if(m&2) */ andi I, M, 0x02 beq ZERO, I, .L_M2 move S1, TS //aoffset1 add.d S2, S1, TL slli.d T0, TL, 0x01 add.d TS, TS, T0 move S8, TD //boffset1 addi.d TD, TD, 0x80 srai.d I, N, 0x02 beq ZERO, I, .L_M1N1 .L_M1I1: /* if(i>0) */ vld U0, S1, 0x00 vld U1, S1, 0x10 vld U2, S1, 0x20 vld U3, S1, 0x30 vld U4, S2, 0x00 vld U5, S2, 0x10 vld U6, S2, 0x20 vld U7, S2, 0x30 vst U0, S8, 0x00 vst U1, S8, 0x10 vst U2, S8, 0x20 vst U3, S8, 0x30 vst U4, S8, 0x40 vst U5, S8, 0x50 vst U6, S8, 0x60 vst U7, S8, 0x70 addi.d S1, S1, 0x40 addi.d S2, S2, 0x40 slli.d T0, M, 0x06 add.d S8, S8, T0 addi.d I, I, -1 blt ZERO, I, .L_M1I1 .L_M1N1: /* if(n&2) */ andi I, N, 0x02 beq ZERO, I, .L_M1N2 vld U0, S1, 0x00 vld U1, S1, 0x10 vld U2, S2, 0x00 vld U3, S2, 0x10 vst U0, S9, 0x00 vst U1, S9, 0x10 vst U2, S9, 0x20 vst U3, S9, 0x30 addi.d S1, S1, 0x20 addi.d S2, S2, 0x20 addi.d S9, S9, 0x40 .L_M1N2: /* if(n&1) */ andi I, N, 0x01 beq ZERO, I, .L_M2 vld U0, S1, 0x00 vld U1, S2, 0x00 vst U0, S10, 0x00 vst U1, S10, 0x10 addi.d S10, S10, 0x20 .L_M2: /* if(m&1) */ andi I, M, 0x01 beq ZERO, I, .L_M0 move S1, TS //aoffset1 move S8, TD //boffset1 srai.d I, N, 0x02 beq ZERO, I, .L_M2N1 .L_M2I1: /* if(i>0) */ vld U0, S1, 0x00 vld U1, S1, 0x10 vld U2, S1, 0x20 vld U3, S1, 0x30 vst U0, S8, 0x00 vst U1, S8, 0x10 vst U2, S8, 0x20 vst U3, S8, 0x30 addi.d S1, S1, 0x40 slli.d T0, M, 0x06 add.d S8, S8, T0 addi.d I, I, -1 blt ZERO, I, .L_M2I1 .L_M2N1: /* if(n&2) */ andi I, N, 0x02 beq ZERO, I, .L_M2N2 vld U0, S1, 0x00 vld U1, S1, 0x10 vst U0, S9, 0x00 vst U1, S9, 0x10 addi.d S1, S1, 0x20 .L_M2N2: /* if(n&1) */ andi I, N, 0x01 beq ZERO, I, .L_M0 vld U0, S1, 0x00 vst U0, S10, 0x00 .L_M0: LDARG $r23, $sp, 0 addi.d $sp, $sp, 8 jirl $r0, $r1, 0x00 EPILOGUE