/******************************************************************************* 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 S5 $r16 #define S6 $r17 #define S7 $r18 #define S8 $r19 #define TD $r20 #define TS $r11 #define TL $r7 #define T0 $r23 #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 /* LASX 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 D0 $vr8 #define D1 $vr9 #define D2 $vr10 #define D3 $vr11 #define D4 $vr12 #define D5 $vr13 #define D6 $vr14 #define D7 $vr15 PROLOGUE addi.d $sp, $sp, -8 SDARG $r23, $sp, 0 move TS, SRC //aoffset move TD, DST //boffset slli.d TL, LDA, 0x02 //lda slli.d TL, TL, 0x01 srai.d J, N, 0x03 //j beq J, ZERO, .L_N1 .L_J1: /* if(j>0) j--*/ move S1, TS //aoffset1 slli.d T0, TL, 0x01 //2*lda add.d S2, TS, TL addi.d TS, TS, 0x40 srai.d I, M, 0x01 beq ZERO, I, .L_J1M1 .L_J1I1: /* 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 vst U0, TD, 0x00 vst U1, TD, 0x10 vst U2, TD, 0x20 vst U3, TD, 0x30 vst U4, TD, 0x40 vst U5, TD, 0x50 vst U6, TD, 0x60 vst U7, TD, 0x70 add.d S1, S1, T0 add.d S2, S2, T0 addi.d TD, TD, 0x80 addi.d I, I, -1 blt ZERO, I, .L_J1I1 .L_J1M1: /* if(m&1) */ andi I, M, 0x01 beq ZERO, I, .L_J0 vld U0, S1, 0x00 vld U1, S1, 0x10 vld U2, S1, 0x20 vld U3, S1, 0x30 vst U0, TD, 0x00 vst U1, TD, 0x10 vst U2, TD, 0x20 vst U3, TD, 0x30 addi.d TD, TD, 0x40 .L_J0: addi.d J, J, -1 blt ZERO, J, .L_J1 .L_N1: /* if(n&4) */ andi I, N, 0x04 beq ZERO, I, .L_N2 move S1, TS //aoffset1 slli.d T0, TL, 0x01 //2*lda add.d S2, TS, TL addi.d TS, TS, 0x20 srai.d I, M, 0x01 beq ZERO, I, .L_N1M1 .L_N1I1: /* if(i>0) i-- */ vld U0, S1, 0x00 vld U1, S1, 0x10 vld U2, S2, 0x00 vld U3, S2, 0x10 vst U0, TD, 0x00 vst U1, TD, 0x10 vst U2, TD, 0x20 vst U3, TD, 0x30 add.d S1, S1, T0 add.d S2, S2, T0 addi.d TD, TD, 0x40 addi.d I, I, -1 blt ZERO, I, .L_N1I1 .L_N1M1: /* if(m&1) */ andi I, M, 0x01 beq ZERO, I, .L_N2 vld U0, S1, 0x00 vld U1, S1, 0x10 vst U0, TD, 0x00 vst U1, TD, 0x10 addi.d TD, TD, 0x20 .L_N2: /* if(n&2) */ andi I, N, 0x02 beq ZERO, I, .L_N3 move S1, TS //aoffset1 slli.d T0, TL, 0x01 //2*lda add.d S2, TS, TL addi.d TS, TS, 0x10 srai.d I, M, 0x01 beq ZERO, I, .L_N2M1 .L_N2I1: /* if(i>0) i-- */ vld U0, S1, 0x00 vld U1, S2, 0x00 vst U0, TD, 0x00 vst U1, TD, 0x10 add.d S1, S1, T0 add.d S2, S2, T0 addi.d TD, TD, 0x20 addi.d I, I, -1 blt ZERO, I, .L_N2I1 .L_N2M1: /* if(m&1) */ andi I, M, 0x01 beq ZERO, I, .L_N3 vld U0, S1, 0x00 vst U0, TD, 0x00 addi.d TD, TD, 0x10 .L_N3: /* if(n&1) */ andi I, N, 0x01 beq ZERO, I, .L_N0 move S1, TS //aoffset1 slli.d T0, TL, 0x01 //2*lda add.d S2, TS, TL srai.d I, M, 0x01 beq ZERO, I, .L_N3M1 .L_N3I1: /* if(i>0) i-- */ fld.s F0, S1, 0x00 fld.s F1, S1, 0x04 fld.s F2, S2, 0x00 fld.s F3, S2, 0x04 fst.s F0, TD, 0x00 fst.s F1, TD, 0x04 fst.s F2, TD, 0x08 fst.s F3, TD, 0x0c add.d S1, S1, T0 add.d S2, S2, T0 addi.d TD, TD, 0x10 addi.d I, I, -1 blt ZERO, I, .L_N3I1 .L_N3M1: /* if(m&1) */ andi I, M, 0x01 beq ZERO, I, .L_N0 fld.s F0, S1, 0x00 fld.s F1, S1, 0x04 fst.s F0, TD, 0x00 fst.s F1, TD, 0x04 .L_N0: LDARG $r23, $sp, 0 addi.d $sp, $sp, 8 jirl $r0, $r1, 0x00 EPILOGUE