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- /*******************************************************************************
- 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
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