/******************************************************************************* Copyright (c) 2021, 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 S0 $r11 #define S1 $r12 #define S2 $r13 #define S3 $r14 #define S4 $r15 #define P0 $r16 #define P1 $r17 #define P2 $r18 #define P3 $r19 #define T0 $r20 #define T1 $r23 #define TL $r7 #define ZERO $r0 #define F0 $f0 #define F1 $f1 #define F2 $f2 #define F3 $f3 /* LASX vectors */ #define U0 $xr0 #define U1 $xr1 #define U2 $xr2 #define U3 $xr3 PROLOGUE addi.d $sp, $sp, -8 SDARG $r23, $sp, 0 move S0, SRC move P0, DST srai.d T0, N, 0x02 slli.d T0, T0, 0x02 srai.d T1, N, 0x01 slli.d T1, T1, 0x01 mul.d T0, M, T0 mul.d T1, M, T1 slli.d T0, T0, 0x03 slli.d T1, T1, 0x03 add.d P2, DST, T0 add.d P3, DST, T1 slli.d TL, LDA, 0x03 srai.d J, M, 0x02 slli.d T0, TL, 0x01 slli.d T1, M, 0x05 beq ZERO, J, .L_M3 .L_J1: /* J-- */ move S1, S0 add.d S2, S0, TL add.d S3, S1, T0 add.d S4, S2, T0 add.d S0, S3, T0 move P1, P0 addi.d P0, P0, 0x80 srai.d I, N, 0x02 addi.d J, J, -1 beq ZERO, I, .L_N3 .L_I1: /* I-- */ xvld U0, S1, 0x00 xvld U1, S2, 0x00 xvld U2, S3, 0x00 xvld U3, S4, 0x00 xvst U0, P1, 0x00 xvst U1, P1, 0x20 xvst U2, P1, 0x40 xvst U3, P1, 0x60 addi.d S1, S1, 0x20 addi.d S2, S2, 0x20 addi.d S3, S3, 0x20 addi.d S4, S4, 0x20 add.d P1, P1, T1 addi.d I, I, -1 blt ZERO, I, .L_I1 .L_N3: andi I, N, 0x02 beq ZERO, I, .L_N1 xvld U0, S1, 0x00 xvld U1, S2, 0x00 xvld U2, S3, 0x00 xvld U3, S4, 0x00 xvpermi.q U0, U1, 0x02 xvpermi.q U2, U3, 0x02 xvst U0, P2, 0x00 xvst U2, P2, 0x20 addi.d S1, S1, 0x10 addi.d S2, S2, 0x10 addi.d S3, S3, 0x10 addi.d S4, S4, 0x10 addi.d P2, P2, 0x40 .L_N1: andi I, N, 0x01 beq ZERO, I, .L_N0 fld.d F0, S1, 0x00 fld.d F1, S2, 0x00 fld.d F2, S3, 0x00 fld.d F3, S4, 0x00 fst.d F0, P3, 0x00 fst.d F1, P3, 0x08 fst.d F2, P3, 0x10 fst.d F3, P3, 0x18 addi.d S1, S1, 0x08 addi.d S2, S2, 0x08 addi.d S3, S3, 0x08 addi.d S4, S4, 0x08 addi.d P3, P3, 0x20 .L_N0: blt ZERO, J, .L_J1 .L_M3: andi J, M, 0x02 beq ZERO, J, .L_M1 move S1, S0 add.d S2, S0, TL add.d S0, S0, T0 move P1, P0 addi.d P0, P0, 0x40 srai.d I, N, 0x02 beq ZERO, I, .L_2N3 .L_2I1: /* I-- */ xvld U0, S1, 0x00 xvld U1, S2, 0x00 xvst U0, P1, 0x00 xvst U1, P1, 0x20 addi.d S1, S1, 0x20 addi.d S2, S2, 0x20 addi.d I, I, -1 add.d P1, P1, T1 blt ZERO, I, .L_2I1 .L_2N3: andi I, N, 0x02 beq ZERO, I, .L_2N1 xvld U0, S1, 0x00 xvld U1, S2, 0x00 xvpermi.q U0, U1, 0x02 xvst U0, P2, 0x00 addi.d S1, S1, 0x10 addi.d S2, S2, 0x10 addi.d P2, P2, 0x20 .L_2N1: addi.d I, N, 0x01 beq ZERO, I, .L_M1 fld.d F0, S1, 0x00 fld.d F1, S2, 0x00 fst.d F0, P3, 0x00 fst.d F1, P3, 0x08 addi.d S1, S1, 0x08 addi.d S2, S2, 0x08 addi.d P3, P3, 0x10 .L_M1: andi J, M, 0x01 beq ZERO, J, .L_M0 move S1, S0 move P1, P0 srai.d I, N, 0x02 beq ZERO, I, .L_1N3 .L_1I1: xvld U0, S1, 0x00 xvst U0, P1, 0x00 addi.d S1, S1, 0x20 addi.d I, I, -1 add.d P1, P1, T1 blt ZERO, I, .L_1I1 .L_1N3: andi I, N, 0x02 beq I, ZERO, .L_1N1 fld.d F0, S1, 0x00 fld.d F1, S1, 0x08 fst.d F0, P2, 0x00 fst.d F1, P2, 0x08 addi.d S1, S1, 0x10 addi.d P2, P2, 0x10 .L_1N1: andi I, N, 0x01 beq I, ZERO, .L_M0 fld.d F0, S1, 0x00 fst.d F0, P3, 0x00 .L_M0: LDARG $r23, $sp, 0 addi.d $sp, $sp, 8 jirl $r0, $r1, 0x00 EPILOGUE