OpenBLAS/kernel/loongarch64/csum_lasx.S

275 lines
6.8 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 X $r5
#define INCX $r6
#define I $r17
#define TEMP $r18
#define t1 $r15
#define t2 $r12
#define t3 $r13
#define t4 $r14
#define a1 $f12
#define a2 $f13
#define a3 $f14
#define a4 $f15
#define s1 $f16
#define VX0 $xr12
#define VX1 $xr13
#define VX2 $xr14
#define VX3 $xr15
#define res1 $xr16
#define res2 $xr17
PROLOGUE
xvxor.v res1, res1, res1
xvxor.v res2, res2, res2
bge $r0, N, .L999
bge $r0, INCX, .L999
li.d TEMP, 1
slli.d TEMP, TEMP, ZBASE_SHIFT
slli.d INCX, INCX, ZBASE_SHIFT
srai.d I, N, 3
bne INCX, TEMP, .L20
bge $r0, I, .L13
.align 3
.L11:
#ifdef DOUBLE
xvld VX0, X, 0 * SIZE
xvld VX1, X, 4 * SIZE
xvfadd.d res2, VX0, VX1
xvfadd.d res1, res1, res2
xvld VX2, X, 8 * SIZE
xvld VX3, X, 12 * SIZE
xvfadd.d res2, VX2, VX3
xvfadd.d res1, res1, res2
#else
xvld VX0, X, 0 * SIZE
xvld VX1, X, 8 * SIZE
xvfadd.s res2, VX0, VX1
xvfadd.s res1, res2, res1
#endif
addi.d X, X, 16 * SIZE
addi.d I, I, -1
blt $r0, I, .L11
.align 3
.L12:
#ifdef DOUBLE
xvpickve.d VX1, res1, 1
xvpickve.d VX2, res1, 2
xvpickve.d VX3, res1, 3
xvfadd.d res1, VX1, res1
xvfadd.d res1, VX2, res1
xvfadd.d res1, VX3, res1
#else
xvfadd.s res2, res1, res2
xvpickve.w VX1, res1, 1
xvpickve.w VX2, res1, 2
xvpickve.w VX3, res1, 3
xvfadd.s res1, VX1, res1
xvfadd.s res1, VX2, res1
xvfadd.s res1, VX3, res1
xvpickve.w VX0, res2, 4
xvpickve.w VX1, res2, 5
xvpickve.w VX2, res2, 6
xvpickve.w VX3, res2, 7
xvfadd.s res1, VX0, res1
xvfadd.s res1, VX1, res1
xvfadd.s res1, VX2, res1
xvfadd.s res1, VX3, res1
#endif
.align 3
.L13:
andi I, N, 7
bge $r0, I, .L999
.align 3
.L14:
LD a1, X, 0 * SIZE
LD a2, X, 1 * SIZE
ADD a1, a1, a2
ADD s1, a1, s1
addi.d I, I, -1
addi.d X, X, 2 * SIZE
blt $r0, I, .L14
b .L999
.align 3
.L20:
bge $r0, I, .L23
.align 3
.L21:
#ifdef DOUBLE
ld.d t1, X, 0 * SIZE
ld.d t2, X, 1 * SIZE
add.d X, X, INCX
ld.d t3, X, 0 * SIZE
ld.d t4, X, 1 * SIZE
add.d X, X, INCX
xvinsgr2vr.d VX0, t1, 0
xvinsgr2vr.d VX0, t2, 1
xvinsgr2vr.d VX0, t3, 2
xvinsgr2vr.d VX0, t4, 3
ld.d t1, X, 0 * SIZE
ld.d t2, X, 1 * SIZE
add.d X, X, INCX
ld.d t3, X, 0 * SIZE
ld.d t4, X, 1 * SIZE
add.d X, X, INCX
xvinsgr2vr.d VX1, t1, 0
xvinsgr2vr.d VX1, t2, 1
xvinsgr2vr.d VX1, t3, 2
xvinsgr2vr.d VX1, t4, 3
xvfadd.d res2, VX0, VX1
xvfadd.d res1, res1, res2
ld.d t1, X, 0 * SIZE
ld.d t2, X, 1 * SIZE
add.d X, X, INCX
ld.d t3, X, 0 * SIZE
ld.d t4, X, 1 * SIZE
add.d X, X, INCX
xvinsgr2vr.d VX0, t1, 0
xvinsgr2vr.d VX0, t2, 1
xvinsgr2vr.d VX0, t3, 2
xvinsgr2vr.d VX0, t4, 3
ld.d t1, X, 0 * SIZE
ld.d t2, X, 1 * SIZE
add.d X, X, INCX
ld.d t3, X, 0 * SIZE
ld.d t4, X, 1 * SIZE
add.d X, X, INCX
xvinsgr2vr.d VX1, t1, 0
xvinsgr2vr.d VX1, t2, 1
xvinsgr2vr.d VX1, t3, 2
xvinsgr2vr.d VX1, t4, 3
xvfadd.d res2, VX0, VX1
xvfadd.d res1, res1, res2
#else
ld.w t1, X, 0 * SIZE
ld.w t2, X, 1 * SIZE
add.d X, X, INCX
ld.w t3, X, 0 * SIZE
ld.w t4, X, 1 * SIZE
add.d X, X, INCX
xvinsgr2vr.w VX0, t1, 0
xvinsgr2vr.w VX0, t2, 1
xvinsgr2vr.w VX0, t3, 2
xvinsgr2vr.w VX0, t4, 3
ld.w t1, X, 0 * SIZE
ld.w t2, X, 1 * SIZE
add.d X, X, INCX
ld.w t3, X, 0 * SIZE
ld.w t4, X, 1 * SIZE
add.d X, X, INCX
xvinsgr2vr.w VX0, t1, 4
xvinsgr2vr.w VX0, t2, 5
xvinsgr2vr.w VX0, t3, 6
xvinsgr2vr.w VX0, t4, 7
ld.w t1, X, 0 * SIZE
ld.w t2, X, 1 * SIZE
add.d X, X, INCX
ld.w t3, X, 0 * SIZE
ld.w t4, X, 1 * SIZE
add.d X, X, INCX
xvinsgr2vr.w VX1, t1, 0
xvinsgr2vr.w VX1, t2, 1
xvinsgr2vr.w VX1, t3, 2
xvinsgr2vr.w VX1, t4, 3
ld.w t1, X, 0 * SIZE
ld.w t2, X, 1 * SIZE
add.d X, X, INCX
ld.w t3, X, 0 * SIZE
ld.w t4, X, 1 * SIZE
add.d X, X, INCX
xvinsgr2vr.w VX1, t1, 4
xvinsgr2vr.w VX1, t2, 5
xvinsgr2vr.w VX1, t3, 6
xvinsgr2vr.w VX1, t4, 7
xvfadd.s res2, VX0, VX1
xvfadd.s res1, res2, res1
#endif
addi.d I, I, -1
blt $r0, I, .L21
.align 3
.L22:
#ifdef DOUBLE
xvpickve.d VX1, res1, 1
xvpickve.d VX2, res1, 2
xvpickve.d VX3, res1, 3
xvfadd.d res1, VX1, res1
xvfadd.d res1, VX2, res1
xvfadd.d res1, VX3, res1
#else
xvfadd.s res2, res1, res2
xvpickve.w VX1, res1, 1
xvpickve.w VX2, res1, 2
xvpickve.w VX3, res1, 3
xvfadd.s res1, VX1, res1
xvfadd.s res1, VX2, res1
xvfadd.s res1, VX3, res1
xvpickve.w VX0, res2, 4
xvpickve.w VX1, res2, 5
xvpickve.w VX2, res2, 6
xvpickve.w VX3, res2, 7
xvfadd.s res1, VX0, res1
xvfadd.s res1, VX1, res1
xvfadd.s res1, VX2, res1
xvfadd.s res1, VX3, res1
#endif
.align 3
.L23:
andi I, N, 7
bge $r0, I, .L999
.align 3
.L24:
LD a1, X, 0 * SIZE
LD a2, X, 1 * SIZE
ADD a1, a1, a2
ADD s1, a1, s1
addi.d I, I, -1
add.d X, X, INCX
blt $r0, I, .L24
.align 3
.L999:
fmov.s $f0, $f16
jirl $r0, $r1, 0x0
.align 3
EPILOGUE