OpenBLAS/kernel/loongarch64/zgemm_tcopy_4_lasx.S

302 lines
8.0 KiB
ArmAsm

/*******************************************************************************
Copyright (c) 2024, The OpenBLAS Project
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#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
/* LASX vectors */
#define U0 $xr0
#define U1 $xr1
#define U2 $xr2
#define U3 $xr3
#define U4 $xr4
#define U5 $xr5
#define U6 $xr6
#define U7 $xr7
#define D0 $xr8
#define D1 $xr9
#define D2 $xr10
#define D3 $xr11
#define D4 $xr12
#define D5 $xr13
#define D6 $xr14
#define D7 $xr15
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--*/
xvld U0, S1, 0x00
xvld U1, S1, 0x20
xvld U2, S2, 0x00
xvld U3, S2, 0x20
xvld U4, S3, 0x00
xvld U5, S3, 0x20
xvld U6, S4, 0x00
xvld U7, S4, 0x20
xvst U0, S8, 0x00
xvst U1, S8, 0x20
xvst U2, S8, 0x40
xvst U3, S8, 0x60
xvst U4, S8, 0x80
xvst U5, S8, 0xa0
xvst U6, S8, 0xc0
xvst U7, S8, 0xe0
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
xvld U0, S1, 0x00
xvld U1, S2, 0x00
xvld U2, S3, 0x00
xvld U3, S4, 0x00
xvst U0, S9, 0x00
xvst U1, S9, 0x20
xvst U2, S9, 0x40
xvst U3, S9, 0x60
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 $vr0, S1, 0x00
vld $vr1, S2, 0x00
vld $vr2, S3, 0x00
vld $vr3, S4, 0x00
vst $vr0, S10, 0x00
vst $vr1, S10, 0x10
vst $vr2, S10, 0x20
vst $vr3, 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) */
xvld U0, S1, 0x00
xvld U1, S1, 0x20
xvld U2, S2, 0x00
xvld U3, S2, 0x20
xvst U0, S8, 0x00
xvst U1, S8, 0x20
xvst U2, S8, 0x40
xvst U3, S8, 0x60
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
xvld U0, S1, 0x00
xvld U1, S2, 0x00
xvst U0, S9, 0x00
xvst U1, S9, 0x20
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 $vr0, S1, 0x00
vld $vr1, S2, 0x00
vst $vr0, S10, 0x00
vst $vr1, 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) */
xvld U0, S1, 0x00
xvld U1, S1, 0x20
xvst U0, S8, 0x00
xvst U1, S8, 0x20
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
xvld U0, S1, 0x00
xvst U0, S9, 0x00
addi.d S1, S1, 0x20
.L_M2N2: /* if(n&1) */
andi I, N, 0x01
beq ZERO, I, .L_M0
vld $vr0, S1, 0x00
vst $vr0, S10, 0x00
.L_M0:
LDARG $r23, $sp, 0
addi.d $sp, $sp, 8
jirl $r0, $r1, 0x00
EPILOGUE