306 lines
8.0 KiB
ArmAsm
306 lines
8.0 KiB
ArmAsm
/*******************************************************************************
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Copyright (c) 2024, The OpenBLAS Project
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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3. Neither the name of the OpenBLAS project nor the names of
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its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*******************************************************************************/
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#define ASSEMBLER
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#include "common.h"
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/* Function parameters */
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#define M $r4 // param 1: m
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#define N $r5 // param 2: n
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#define SRC $r6 // param 3: src
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#define LDA $r7 // param 4: lda
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#define DST $r8 // param 5: dst
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#define I $r9
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#define J $r10
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#define S1 $r12
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#define S2 $r13
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#define S3 $r14
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#define S4 $r15
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#define TD $r16
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#define TS $r17
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#define TL $r18
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#define T0 $r19
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#define S8 $r20
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#define S9 $r23
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#define S10 $r11
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#define ZERO $r0
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#define F0 $f0
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#define F1 $f1
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#define F2 $f2
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#define F3 $f3
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#define F4 $f4
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#define F5 $f5
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#define F6 $f6
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#define F7 $f7
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/* LASX vectors */
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#define U0 $xr0
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#define U1 $xr1
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#define U2 $xr2
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#define U3 $xr3
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#define U4 $xr4
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#define U5 $xr5
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#define U6 $xr6
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#define U7 $xr7
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#define U8 $xr8
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#define U9 $xr9
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#define U10 $xr10
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#define U11 $xr11
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#define U12 $xr12
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#define U13 $xr13
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#define U14 $xr14
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#define U15 $xr15
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PROLOGUE
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addi.d $sp, $sp, -8
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SDARG $r23, $sp, 0
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move TS, SRC //aoffset
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move TD, DST //boffset
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slli.d TL, LDA, 0x02 //lda
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slli.d TL, TL, 0x01 //lda
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ori T0, ZERO, 0x03
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andn T0, N, T0
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mul.w T0, M, T0
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slli.d T0, T0, 0x01
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slli.d T0, T0, 0x02
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add.d S9, DST, T0 //boffset2
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ori T0, ZERO, 0x01
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andn T0, N, T0
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mul.w T0, M, T0
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slli.d T0, T0, 0x01
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slli.d T0, T0, 0x02
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add.d S10, DST, T0 //boffset3
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srai.d J, M, 0x02 //j
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beq J, ZERO, .L_M1
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.L_J1: /* if(j>0) j--*/
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move S1, TS //aoffset1
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add.d S2, S1, TL
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add.d S3, S2, TL
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add.d S4, S3, TL
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slli.d T0, TL, 0x02
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add.d TS, TS, T0
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move S8, TD //boffset1
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addi.d TD, TD, 0x80
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srai.d I, N, 0x02
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beq ZERO, I, .L_JN1
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.L_JI1: /* if(i>0) i--*/
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xvld U0, S1, 0x00
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xvld U1, S2, 0x00
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xvld U2, S3, 0x00
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xvld U3, S4, 0x00
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xvst U0, S8, 0x00
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xvst U1, S8, 0x20
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xvst U2, S8, 0x40
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xvst U3, S8, 0x60
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addi.d S1, S1, 0x20
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addi.d S2, S2, 0x20
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addi.d S3, S3, 0x20
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addi.d S4, S4, 0x20
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slli.d T0, M, 0x05
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add.d S8, S8, T0
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addi.d I, I, -1
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blt ZERO, I, .L_JI1
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.L_JN1: /* if(n&2) */
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andi I, N, 0x02
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beq ZERO, I, .L_JN2
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vld $vr0, S1, 0x00
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vld $vr1, S2, 0x00
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vld $vr2, S3, 0x00
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vld $vr3, S4, 0x00
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vst $vr0, S9, 0x00
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vst $vr1, S9, 0x10
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vst $vr2, S9, 0x20
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vst $vr3, S9, 0x30
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addi.d S1, S1, 0x10
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addi.d S2, S2, 0x10
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addi.d S3, S3, 0x10
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addi.d S4, S4, 0x10
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addi.d S9, S9, 0x40
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.L_JN2: /* if(n&1) */
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andi I, N, 0x01
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beq ZERO, I, .L_J0
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fld.s F0, S1, 0x00
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fld.s F1, S1, 0x04
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fld.s F2, S2, 0x00
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fld.s F3, S2, 0x04
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fld.s F4, S3, 0x00
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fld.s F5, S3, 0x04
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fld.s F6, S4, 0x00
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fld.s F7, S4, 0x04
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fst.s F0, S10, 0x00
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fst.s F1, S10, 0x04
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fst.s F2, S10, 0x08
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fst.s F3, S10, 0x0c
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fst.s F4, S10, 0x10
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fst.s F5, S10, 0x14
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fst.s F6, S10, 0x18
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fst.s F7, S10, 0x1c
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addi.d S10, S10, 0x20
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.L_J0:
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addi.d J, J, -1
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blt ZERO, J, .L_J1
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.L_M1: /* if(m&2) */
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andi I, M, 0x02
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beq ZERO, I, .L_M2
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move S1, TS //aoffset1
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add.d S2, S1, TL
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slli.d T0, TL, 0x01
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add.d TS, TS, T0
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move S8, TD //boffset1
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addi.d TD, TD, 0x40
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srai.d I, N, 0x02
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beq ZERO, I, .L_M1N1
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.L_M1I1: /* if(i>0) */
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xvld U0, S1, 0x00
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xvld U1, S2, 0x00
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xvst U0, S8, 0x00
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xvst U1, S8, 0x20
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addi.d S1, S1, 0x20
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addi.d S2, S2, 0x20
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slli.d T0, M, 0x05
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add.d S8, S8, T0
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addi.d I, I, -1
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blt ZERO, I, .L_M1I1
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.L_M1N1: /* if(n&2) */
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andi I, N, 0x02
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beq ZERO, I, .L_M1N2
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vld $vr0, S1, 0x00
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vld $vr1, S2, 0x00
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vst $vr0, S9, 0x00
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vst $vr1, S9, 0x10
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addi.d S1, S1, 0x10
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addi.d S2, S2, 0x10
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addi.d S9, S9, 0x20
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.L_M1N2: /* if(n&1) */
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andi I, N, 0x01
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beq ZERO, I, .L_M2
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fld.s F0, S1, 0x00
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fld.s F1, S1, 0x04
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fld.s F2, S2, 0x00
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fld.s F3, S2, 0x04
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fst.s F0, S10, 0x00
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fst.s F1, S10, 0x04
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fst.s F2, S10, 0x08
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fst.s F3, S10, 0x0c
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addi.d S10, S10, 0x10
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.L_M2: /* if(m&1) */
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andi I, M, 0x01
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beq ZERO, I, .L_M0
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move S1, TS //aoffset1
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move S8, TD //boffset1
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srai.d I, N, 0x02
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beq ZERO, I, .L_M2N1
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.L_M2I1: /* if(i>0) */
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xvld U0, S1, 0x00
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xvst U0, S8, 0x00
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addi.d S1, S1, 0x20
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slli.d T0, M, 0x05
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add.d S8, S8, T0
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addi.d I, I, -1
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blt ZERO, I, .L_M2I1
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.L_M2N1: /* if(n&2) */
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andi I, N, 0x02
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beq ZERO, I, .L_M2N2
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vld $vr0, S1, 0x00
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vst $vr0, S9, 0x00
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addi.d S1, S1, 0x10
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.L_M2N2: /* if(n&1) */
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andi I, N, 0x01
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beq ZERO, I, .L_M0
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fld.s F0, S1, 0x00
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fld.s F1, S1, 0x04
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fst.s F0, S10, 0x00
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fst.s F1, S10, 0x04
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.L_M0:
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LDARG $r23, $sp, 0
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addi.d $sp, $sp, 8
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jirl $r0, $r1, 0x00
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EPILOGUE |