OpenBLAS/kernel/loongarch64/cgemm_ncopy_2_lsx.S

202 lines
5.4 KiB
ArmAsm

/*******************************************************************************
Copyright (c) 2021, The OpenBLAS Project
All rights reserved.
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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 $vr0
#define U1 $vr1
#define U2 $vr2
#define U3 $vr3
#define U4 $vr4
#define U5 $vr5
#define U6 $vr6
#define U7 $vr7
#define D0 $vr8
#define D1 $vr9
#define D2 $vr10
#define D3 $vr11
#define D4 $vr12
#define D5 $vr13
#define D6 $vr14
#define D7 $vr15
#define D8 $vr16
PROLOGUE
addi.d $sp, $sp, -8
SDARG $r23, $sp, 0
move TD, DST //boffset
move TS, SRC //aoffset
slli.d TL, LDA, 0x02 //lda
slli.d TL, TL, 0x01
slli.d T0, TL, 0x01
srai.d I, N, 0x01
beq I, ZERO, .L_N0
.L_J1: /* if (i > 0) I-- */
move S1, TS //a_offset1
add.d S2, TS, TL //a_offset2
srai.d J, M, 0x02
add.d TS, TS, T0
beq J, ZERO, .L_I3
.L_I1: /* if (j > 0) J-- */
vld U0, S1, 0x00
vld U1, S1, 0x10
vld U2, S2, 0x00
vld U3, S2, 0x10
vand.v D0, U2, U2
vand.v D1, U3, U3
vand.v D2, U2, U2
vand.v D3, U3, U3
vpermi.w D0, U0, 0x44
vpermi.w D2, U0, 0xee
vpermi.w D1, U1, 0x44
vpermi.w D3, U1, 0xee
vst D0, TD, 0x00
vst D2, TD, 0x10
vst D1, TD, 0x20
vst D3, TD, 0x30
addi.d S1, S1, 0x20 // a_offset1
addi.d S2, S2, 0x20
addi.d TD, TD, 0x40 // b_offset
addi.d J, J, -1
blt ZERO, J, .L_I1
.L_I3:
andi J, M, 0x03
beq J, ZERO, .L_II20
.L_II1: /* j = (m & 3) if (j > 0) */
fld.s F0, S1, 0x00
fld.s F1, S1, 0x04
fld.s F2, S2, 0x00
fld.s F3, S2, 0x04
fst.s F0, TD, 0x00
fst.s F1, TD, 0x04
fst.s F2, TD, 0x08
fst.s F3, TD, 0x0c
addi.d S1, S1, 0x08
addi.d S2, S2, 0x08
addi.d TD, TD, 0x10
addi.d J, J, -1
blt ZERO, J, .L_II1
.L_II20:
addi.d I, I, -1
blt ZERO, I, .L_J1
.L_N0: /* if(n&1)*/
andi I, N, 0x01
beq ZERO, I, .L_N00
.L_N1:
srai.d J, M, 0x02
beq ZERO, J, .L_N10
.L_N11: /* j = (m >> 2) if (j > 0) */
vld U0, TS, 0x00
vld U1, TS, 0x10
vst U0, TD, 0x00
vst U1, TD, 0x10
addi.d TS, TS, 0x20 // a_offset
addi.d TD, TD, 0x20 // b_offset
addi.d J, J, -1
blt ZERO, J, .L_N11
.L_N10:
andi J, M, 0x03
beq J, ZERO, .L_N00
.L_N12: /* j = (m & 3) if (j > 0) */
fld.s F0, TS, 0x00
fld.s F1, TS, 0x04
fst.s F0, TD, 0x00
fst.s F1, TD, 0x04
addi.d TS, TS, 0x08 // a_offset
addi.d TD, TD, 0x08 // b_offset
addi.d J, J, -1
blt ZERO, J, .L_N12
.L_N00:
LDARG $r23, $sp, 0
addi.d $sp, $sp, 8
jirl $r0, $r1, 0x00
EPILOGUE