OpenBLAS/kernel/loongarch64/dgemm_ncopy_4.S

238 lines
6.3 KiB
ArmAsm

/*******************************************************************************
Copyright (c) 2021, The OpenBLAS Project
All rights reserved.
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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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 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 $xr0
#define U1 $xr1
#define U2 $xr2
#define U3 $xr3
#define U4 $xr4
#define U5 $xr5
#define U6 $xr6
#define U7 $xr7
#define D0 $xr14
#define D1 $xr8
#define D2 $xr9
#define D3 $xr10
#define D4 $xr11
#define D5 $xr12
#define D6 $xr13
#define D7 $xr15
PROLOGUE
addi.d $sp, $sp, -8
SDARG $r23, $sp, 0
move TD, DST
move TS, SRC
slli.d TL, LDA, 0x03
slli.d T0, TL, 0x01
srai.d J, N, 0x02
beq J, ZERO, .L_N2
.L_J1: /* J-- */
move S1, TS
add.d S2, TS, TL
srai.d I, M, 0x02
add.d S3, S2, TL
add.d S4, S2, T0
add.d TS, S3, T0
addi.d J, J, -1
beq I, ZERO, .L_I3
.L_I1: /* I-- */
xvld U0, S1, 0x00
xvld U1, S2, 0x00
xvld U2, S3, 0x00
xvld U3, S4, 0x00
xvpackev.d D0, U1, U0
xvpackod.d D1, U1, U0
xvpackev.d D2, U3, U2
xvpackod.d D3, U3, U2
xvand.v U0, D0, D0
xvpermi.q D0, D2, 0x02 // 0
xvand.v U1, D1, D1
xvpermi.q D1, D3, 0x02 // 1
xvpermi.q D2, U0, 0x31 // 2
xvpermi.q D3, U1, 0x31 // 3
xvst D0, TD, 0x00
xvst D1, TD, 0x20
xvst D2, TD, 0x40
xvst D3, TD, 0x60
addi.d S1, S1, 0x20
addi.d S2, S2, 0x20
addi.d S3, S3, 0x20
addi.d S4, S4, 0x20
addi.d TD, TD, 0x80
addi.d I, I, -1
blt ZERO, I, .L_I1
.L_I3:
andi I, M, 0x03
beq I, ZERO, .L_I0
.L_II1:
fld.d F0, S1, 0x00
fld.d F1, S2, 0x00
fld.d F2, S3, 0x00
fld.d F3, S4, 0x00
fst.d F0, TD, 0x00
addi.d S1, S1, 0x08
fst.d F1, TD, 0x08
addi.d S2, S2, 0x08
fst.d F2, TD, 0x10
addi.d S3, S3, 0x08
fst.d F3, TD, 0x18
addi.d S4, S4, 0x08
addi.d TD, TD, 0x20
addi.d I, I, -1
blt ZERO, I, .L_II1
.L_I0:
blt ZERO, J, .L_J1
.L_N2:
andi J, N, 0x02
beq ZERO, J, .L_N1
move S1, TS
add.d S2, TS, TL
srai.d I, M, 0x02
add.d TS, S2, TL
beq I, ZERO, .L_2I3
.L_2I1: /* I-- */
xvld U0, S1, 0x00
xvld U1, S2, 0x00
xvpackev.d D0, U1, U0
xvpackod.d D1, U1, U0
xvand.v U0, D0, D0
xvpermi.q D0, D1, 0x02 // 0
xvpermi.q D1, U0, 0x31 // 1
xvst D0, TD, 0x00
xvst D1, TD, 0x20
addi.d S1, S1, 0x20
addi.d S2, S2, 0x20
addi.d TD, TD, 0x40
addi.d I, I, -1
blt ZERO, I, .L_2I1
.L_2I3:
andi I, M, 0x03
beq ZERO, I, .L_N1
.L_2II1: /* I-- */
fld.d F0, S1, 0x00
fld.d F1, S2, 0x00
fst.d F0, TD, 0x00
addi.d I, I, -1
fst.d F1, TD, 0x08
addi.d S1, S1, 0x08
addi.d S2, S2, 0x08
addi.d TD, TD, 0x10
blt ZERO, I, .L_2II1
.L_N1:
andi J, N, 0x01
beq ZERO, J, .L_N0
move S1, TS
srai.d I, M, 0x02
beq ZERO, I, .L_1I3
.L_1I1:
xvld U0, S1, 0x00
addi.d S1, S1, 0x20
xvst U0, TD, 0x00
addi.d I, I, -1
addi.d TD, TD, 0x20
blt ZERO, I, .L_1I1
.L_1I3:
andi I, M, 0x03
beq ZERO, I, .L_N0
.L_1II1:
fld.d F0, S1, 0x00
addi.d S1, S1, 0x08
fst.d F0, TD, 0x00
addi.d I, I, -1
addi.d TD, TD, 0x08
blt ZERO, I, .L_1II1
.L_N0:
LDARG $r23, $sp, 0
addi.d $sp, $sp, 8
jirl $r0, $r1, 0x00
EPILOGUE