OpenBLAS/kernel/loongarch64/axpy_lsx.S

574 lines
13 KiB
ArmAsm

/***************************************************************************
Copyright (c) 2023, 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"
#define N $r4
#define XX $r5
#define YY $r6
#define ALPHA $f0
#define X $r7
#define INCX $r8
#define Y $r9
#define INCY $r10
#define I $r12
#define TEMP $r13
#define t1 $r14
#define t2 $r16
#define t3 $r15
#define t4 $r17
#define a1 $f12
#define a2 $f13
#define a3 $f14
#define a4 $f15
#define b1 $f16
#define b2 $f17
#define b3 $f18
#define b4 $f19
#define VX0 $vr8
#define VX1 $vr20
#define VX2 $vr21
#define VX3 $vr22
#define VXA $vr23
PROLOGUE
bge $r0, N, .L999
li.d TEMP, 1
movgr2fr.d a1, $r0
FFINT a1, a1
movgr2fr.d a2, TEMP
FFINT a2, a2
CMPEQ $fcc0, ALPHA, a1
bcnez $fcc0, .L999
slli.d TEMP, TEMP, BASE_SHIFT
slli.d INCX, INCX, BASE_SHIFT
slli.d INCY, INCY, BASE_SHIFT
MTG t1, ALPHA
#ifdef DOUBLE
vreplgr2vr.d VXA, t1
#else
vreplgr2vr.w VXA, t1
#endif
srai.d I, N, 3
bne INCX, TEMP, .L20
bne INCY, TEMP, .L12 // INCX==1 and INCY!=1
b .L11 // INCX==1 and INCY==1
.L20:
bne INCY, TEMP, .L22 // INCX!=1 and INCY!=1
b .L21 // INCX!=1 and INCY==1
.L11:
bge $r0, I, .L113
CMPEQ $fcc0, ALPHA, a2
bceqz $fcc0, .L112
.align 3
.L111:
#ifdef DOUBLE
vld VX0, X, 0 * SIZE
vld VX2, Y, 0 * SIZE
vld VX1, X, 2 * SIZE
vld VX3, Y, 2 * SIZE
vfadd.d VX2, VX0, VX2
vfadd.d VX3, VX1, VX3
vst VX2, Y, 0 * SIZE
vst VX3, Y, 2 * SIZE
vld VX0, X, 4 * SIZE
vld VX2, Y, 4 * SIZE
vld VX1, X, 6 * SIZE
vld VX3, Y, 6 * SIZE
vfadd.d VX2, VX0, VX2
vfadd.d VX3, VX1, VX3
vst VX2, Y, 4 * SIZE
vst VX3, Y, 6 * SIZE
#else
vld VX0, X, 0 * SIZE
vld VX2, Y, 0 * SIZE
vld VX1, X, 4 * SIZE
vld VX3, Y, 4 * SIZE
vfadd.s VX2, VX0, VX2
vfadd.s VX3, VX1, VX3
vst VX2, Y, 0 * SIZE
vst VX3, Y, 4 * SIZE
#endif
addi.d X, X, 8 * SIZE
addi.d Y, Y, 8 * SIZE
addi.d I, I, -1
blt $r0, I, .L111
b .L113
.align 3
.L112:
#ifdef DOUBLE
vld VX0, X, 0 * SIZE
vld VX2, Y, 0 * SIZE
vld VX1, X, 2 * SIZE
vld VX3, Y, 2 * SIZE
vfmadd.d VX2, VX0, VXA, VX2
vfmadd.d VX3, VX1, VXA, VX3
addi.d I, I, -1
vst VX2, Y, 0 * SIZE
vst VX3, Y, 2 * SIZE
vld VX0, X, 4 * SIZE
vld VX2, Y, 4 * SIZE
vld VX1, X, 6 * SIZE
vld VX3, Y, 6 * SIZE
addi.d X, X, 8 * SIZE
vfmadd.d VX2, VX0, VXA, VX2
vfmadd.d VX3, VX1, VXA, VX3
vst VX2, Y, 4 * SIZE
vst VX3, Y, 6 * SIZE
addi.d Y, Y, 8 * SIZE
#else
vld VX0, X, 0 * SIZE
vld VX2, Y, 0 * SIZE
vld VX1, X, 4 * SIZE
vld VX3, Y, 4 * SIZE
vfmadd.s VX2, VX0, VXA, VX2
vfmadd.s VX3, VX1, VXA, VX3
vst VX2, Y, 0 * SIZE
vst VX3, Y, 4 * SIZE
addi.d X, X, 8 * SIZE
addi.d Y, Y, 8 * SIZE
addi.d I, I, -1
#endif
blt $r0, I, .L112
.align 3
.L113:
andi I, N, 7
bge $r0, I, .L999
.align 3
.L114:
LD $f12, X, 0 * SIZE
LD $f14, Y, 0 * SIZE
addi.d I, I, -1
MADD $f14, $f12, $f0, $f14
ST $f14, Y, 0 * SIZE
addi.d X, X, SIZE
addi.d Y, Y, SIZE
blt $r0, I, .L114
b .L999
.align 3
.L12: // INCX==1 and INCY!=1
bge $r0, I, .L122
move YY, Y
.align 3
.L121:
#ifdef DOUBLE
vld VX0, X, 0 * SIZE
ld.d t1, Y, 0 * SIZE
add.d Y, Y, INCY
ld.d t2, Y, 0 * SIZE
vinsgr2vr.d VX2, t1, 0
vinsgr2vr.d VX2, t2, 1
add.d Y, Y, INCY
vfmadd.d VX2, VX0, VXA, VX2
vld VX1, X, 2 * SIZE
vstelm.d VX2, YY, 0, 0
add.d YY, YY, INCY
vstelm.d VX2, YY, 0, 1
add.d YY, YY, INCY
ld.d t3, Y, 0 * SIZE
add.d Y, Y, INCY
ld.d t4, Y, 0 * SIZE
vinsgr2vr.d VX3, t3, 0
vinsgr2vr.d VX3, t4, 1
add.d Y, Y, INCY
vfmadd.d VX3, VX1, VXA, VX3
vld VX0, X, 4 * SIZE
vstelm.d VX3, YY, 0, 0
add.d YY, YY, INCY
vstelm.d VX3, YY, 0, 1
add.d YY, YY, INCY
ld.d t1, Y, 0 * SIZE
add.d Y, Y, INCY
ld.d t2, Y, 0 * SIZE
vinsgr2vr.d VX2, t1, 0
vinsgr2vr.d VX2, t2, 1
add.d Y, Y, INCY
vfmadd.d VX2, VX0, VXA, VX2
vld VX1, X, 6 * SIZE
vstelm.d VX2, YY, 0, 0
add.d YY, YY, INCY
vstelm.d VX2, YY, 0, 1
add.d YY, YY, INCY
ld.d t3, Y, 0 * SIZE
add.d Y, Y, INCY
ld.d t4, Y, 0 * SIZE
vinsgr2vr.d VX3, t3, 0
vinsgr2vr.d VX3, t4, 1
add.d Y, Y, INCY
vfmadd.d VX3, VX1, VXA, VX3
vstelm.d VX3, YY, 0, 0
add.d YY, YY, INCY
vstelm.d VX3, YY, 0, 1
add.d YY, YY, INCY
addi.d X, X, 8 * SIZE
addi.d I, I, -1
#else
vld VX0, X, 0 * SIZE
ld.w t1, Y, 0 * SIZE
add.d Y, Y, INCY
ld.w t2, Y, 0 * SIZE
add.d Y, Y, INCY
ld.w t3, Y, 0 * SIZE
add.d Y, Y, INCY
ld.w t4, Y, 0 * SIZE
vinsgr2vr.w VX2, t1, 0
vinsgr2vr.w VX2, t2, 1
vinsgr2vr.w VX2, t3, 2
vinsgr2vr.w VX2, t4, 3
add.d Y, Y, INCY
vfmadd.s VX2, VX0, VXA, VX2
vld VX1, X, 4 * SIZE
vstelm.w VX2, YY, 0, 0
add.d YY, YY, INCY
vstelm.w VX2, YY, 0, 1
add.d YY, YY, INCY
vstelm.w VX2, YY, 0, 2
add.d YY, YY, INCY
vstelm.w VX2, YY, 0, 3
add.d YY, YY, INCY
ld.w t1, Y, 0 * SIZE
add.d Y, Y, INCY
ld.w t2, Y, 0 * SIZE
add.d Y, Y, INCY
ld.w t3, Y, 0 * SIZE
add.d Y, Y, INCY
ld.w t4, Y, 0 * SIZE
vinsgr2vr.w VX3, t1, 0
vinsgr2vr.w VX3, t2, 1
vinsgr2vr.w VX3, t3, 2
vinsgr2vr.w VX3, t4, 3
add.d Y, Y, INCY
vfmadd.s VX3, VX1, VXA, VX3
addi.d I, I, -1
vstelm.w VX3, YY, 0, 0
add.d YY, YY, INCY
vstelm.w VX3, YY, 0, 1
add.d YY, YY, INCY
vstelm.w VX3, YY, 0, 2
add.d YY, YY, INCY
vstelm.w VX3, YY, 0, 3
add.d YY, YY, INCY
addi.d X, X, 8 * SIZE
#endif
blt $r0, I, .L121
.align 3
.L122:
andi I, N, 7
bge $r0, I, .L999
.align 3
.L123:
LD $f12, X, 0 * SIZE
LD $f14, Y, 0 * SIZE
addi.d I, I, -1
MADD $f14, $f12, $f0, $f14
ST $f14, Y, 0 * SIZE
addi.d X, X, SIZE
add.d Y, Y, INCY
blt $r0, I, .L123
b .L999
.align 3
.L21:// INCX!=1 and INCY==1
bge $r0, I, .L212
.align 3
.L211:
#ifdef DOUBLE
vld VX2, Y, 0 * SIZE
ld.d t1, X, 0 * SIZE
add.d X, X, INCX
ld.d t2, X, 0 * SIZE
vinsgr2vr.d VX0, t1, 0
vinsgr2vr.d VX0, t2, 1
add.d X, X, INCX
vfmadd.d VX2, VX0, VXA, VX2
vld VX3, Y, 2 * SIZE
vst VX2, Y, 0 * SIZE
ld.d t3, X, 0 * SIZE
add.d X, X, INCX
ld.d t4, X, 0 * SIZE
vinsgr2vr.d VX1, t3, 0
vinsgr2vr.d VX1, t4, 1
add.d X, X, INCX
vfmadd.d VX3, VX1, VXA, VX3
vld VX2, Y, 4 * SIZE
vst VX3, Y, 2 * SIZE
ld.d t1, X, 0 * SIZE
add.d X, X, INCX
ld.d t2, X, 0 * SIZE
vinsgr2vr.d VX0, t1, 0
vinsgr2vr.d VX0, t2, 1
add.d X, X, INCX
vfmadd.d VX2, VX0, VXA, VX2
vld VX3, Y, 6 * SIZE
vst VX2, Y, 4 * SIZE
ld.d t3, X, 0 * SIZE
add.d X, X, INCX
ld.d t4, X, 0 * SIZE
vinsgr2vr.d VX1, t3, 0
vinsgr2vr.d VX1, t4, 1
add.d X, X, INCX
vfmadd.d VX3, VX1, VXA, VX3
addi.d I, I, -1
vst VX3, Y, 6 * SIZE
#else
vld VX2, Y, 0 * SIZE
ld.w t1, X, 0 * SIZE
add.d X, X, INCX
ld.w t2, X, 0 * SIZE
add.d X, X, INCX
ld.w t3, X, 0 * SIZE
add.d X, X, INCX
ld.w t4, X, 0 * SIZE
vinsgr2vr.w VX0, t1, 0
vinsgr2vr.w VX0, t2, 1
vinsgr2vr.w VX0, t3, 2
vinsgr2vr.w VX0, t4, 3
add.d X, X, INCX
vfmadd.s VX2, VX0, VXA, VX2
vld VX3, Y, 4 * SIZE
vst VX2, Y, 0 * SIZE
ld.w t1, X, 0 * SIZE
add.d X, X, INCX
ld.w t2, X, 0 * SIZE
add.d X, X, INCX
ld.w t3, X, 0 * SIZE
add.d X, X, INCX
ld.w t4, X, 0 * SIZE
vinsgr2vr.w VX1, t1, 0
vinsgr2vr.w VX1, t2, 1
vinsgr2vr.w VX1, t3, 2
vinsgr2vr.w VX1, t4, 3
add.d X, X, INCX
vfmadd.s VX3, VX1, VXA, VX3
addi.d I, I, -1
vst VX3, Y, 4 * SIZE
#endif
addi.d Y, Y, 8 * SIZE
blt $r0, I, .L211
.align 3
.L212:
andi I, N, 7
bge $r0, I, .L999
.align 3
.L213:
LD $f12, X, 0 * SIZE
LD $f14, Y, 0 * SIZE
addi.d I, I, -1
MADD $f14, $f12, $f0, $f14
ST $f14, Y, 0 * SIZE
add.d X, X, INCX
addi.d Y, Y, SIZE
blt $r0, I, .L213
b .L999
.align 3
.L22:
bge $r0, I, .L223
move YY, Y
.align 3
.L222:
#ifdef DOUBLE
ld.d t1, X, 0 * SIZE
add.d X, X, INCX
ld.d t2, X, 0 * SIZE
add.d X, X, INCX
vinsgr2vr.d VX0, t1, 0
vinsgr2vr.d VX0, t2, 1
ld.d t1, Y, 0 * SIZE
add.d Y, Y, INCY
ld.d t2, Y, 0 * SIZE
vinsgr2vr.d VX2, t1, 0
vinsgr2vr.d VX2, t2, 1
add.d Y, Y, INCY
vfmadd.d VX2, VX0, VXA, VX2
ld.d t3, X, 0 * SIZE
add.d X, X, INCX
ld.d t4, X, 0 * SIZE
add.d X, X, INCX
vinsgr2vr.d VX1, t3, 0
vinsgr2vr.d VX1, t4, 1
vstelm.d VX2, YY, 0, 0
add.d YY, YY, INCY
vstelm.d VX2, YY, 0, 1
add.d YY, YY, INCY
ld.d t3, Y, 0 * SIZE
add.d Y, Y, INCY
ld.d t4, Y, 0 * SIZE
vinsgr2vr.d VX3, t3, 0
vinsgr2vr.d VX3, t4, 1
add.d Y, Y, INCY
vfmadd.d VX3, VX1, VXA, VX3
ld.d t1, X, 0 * SIZE
add.d X, X, INCX
ld.d t2, X, 0 * SIZE
add.d X, X, INCX
vinsgr2vr.d VX0, t1, 0
vinsgr2vr.d VX0, t2, 1
vstelm.d VX3, YY, 0, 0
add.d YY, YY, INCY
vstelm.d VX3, YY, 0, 1
add.d YY, YY, INCY
ld.d t1, Y, 0 * SIZE
add.d Y, Y, INCY
ld.d t2, Y, 0 * SIZE
vinsgr2vr.d VX2, t1, 0
vinsgr2vr.d VX2, t2, 1
add.d Y, Y, INCY
vfmadd.d VX2, VX0, VXA, VX2
ld.d t3, X, 0 * SIZE
add.d X, X, INCX
ld.d t4, X, 0 * SIZE
add.d X, X, INCX
vinsgr2vr.d VX1, t3, 0
vinsgr2vr.d VX1, t4, 1
vstelm.d VX2, YY, 0, 0
add.d YY, YY, INCY
vstelm.d VX2, YY, 0, 1
add.d YY, YY, INCY
ld.d t1, Y, 0 * SIZE
add.d Y, Y, INCY
ld.d t2, Y, 0 * SIZE
vinsgr2vr.d VX3, t1, 0
vinsgr2vr.d VX3, t2, 1
add.d Y, Y, INCY
vfmadd.d VX3, VX1, VXA, VX3
addi.d I, I, -1
vstelm.d VX3, YY, 0, 0
add.d YY, YY, INCY
vstelm.d VX3, YY, 0, 1
#else
ld.w t1, X, 0 * SIZE
add.d X, X, INCX
ld.w t2, X, 0 * SIZE
add.d X, X, INCX
ld.w t3, X, 0 * SIZE
add.d X, X, INCX
ld.w t4, X, 0 * SIZE
vinsgr2vr.w VX0, t1, 0
vinsgr2vr.w VX0, t2, 1
vinsgr2vr.w VX0, t3, 2
vinsgr2vr.w VX0, t4, 3
add.d X, X, INCX
ld.w t1, Y, 0 * SIZE
add.d Y, Y, INCY
ld.w t2, Y, 0 * SIZE
add.d Y, Y, INCY
ld.w t3, Y, 0 * SIZE
add.d Y, Y, INCY
ld.w t4, Y, 0 * SIZE
vinsgr2vr.w VX2, t1, 0
vinsgr2vr.w VX2, t2, 1
vinsgr2vr.w VX2, t3, 2
vinsgr2vr.w VX2, t4, 3
add.d Y, Y, INCY
vfmadd.s VX2, VX0, VXA, VX2
ld.w t1, X, 0 * SIZE
add.d X, X, INCX
ld.w t2, X, 0 * SIZE
add.d X, X, INCX
ld.w t3, X, 0 * SIZE
add.d X, X, INCX
ld.w t4, X, 0 * SIZE
add.d X, X, INCX
vinsgr2vr.w VX1, t1, 0
vinsgr2vr.w VX1, t2, 1
vinsgr2vr.w VX1, t3, 2
vinsgr2vr.w VX1, t4, 3
vstelm.w VX2, YY, 0, 0
add.d YY, YY, INCY
vstelm.w VX2, YY, 0, 1
add.d YY, YY, INCY
vstelm.w VX2, YY, 0, 2
add.d YY, YY, INCY
vstelm.w VX2, YY, 0, 3
add.d YY, YY, INCY
ld.w t1, Y, 0 * SIZE
add.d Y, Y, INCY
ld.w t2, Y, 0 * SIZE
add.d Y, Y, INCY
ld.w t3, Y, 0 * SIZE
add.d Y, Y, INCY
ld.w t4, Y, 0 * SIZE
vinsgr2vr.w VX3, t1, 0
vinsgr2vr.w VX3, t2, 1
vinsgr2vr.w VX3, t3, 2
vinsgr2vr.w VX3, t4, 3
add.d Y, Y, INCY
vfmadd.s VX3, VX1, VXA, VX3
addi.d I, I, -1
vstelm.w VX3, YY, 0, 0
add.d YY, YY, INCY
vstelm.w VX3, YY, 0, 1
add.d YY, YY, INCY
vstelm.w VX3, YY, 0, 2
add.d YY, YY, INCY
vstelm.w VX3, YY, 0, 3
#endif
add.d YY, YY, INCY
blt $r0, I, .L222
.align 3
.L223:
andi I, N, 7
bge $r0, I, .L999
.align 3
.L224:
LD $f12, X, 0 * SIZE
LD $f14, Y, 0 * SIZE
addi.d I, I, -1
MADD $f14, $f12, $f0, $f14
ST $f14, Y, 0 * SIZE
add.d X, X, INCX
add.d Y, Y, INCY
blt $r0, I, .L224
.align 3
.L999:
move $r4, $r12
jirl $r0, $r1, 0x0
.align 3
EPILOGUE