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loongarch64: Add camin optimization function.

tags/v0.3.26
Hao Chen Shiyou Yin 2 years ago
parent
0753848e03
commit
8785e948b5
4 changed files with 412 additions and 0 deletions
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  1. +1
    -0
      kernel/loongarch64/KERNEL.LOONGSON2K1000
  2. +1
    -0
      kernel/loongarch64/KERNEL.LOONGSON3R5
  3. +199
    -0
      kernel/loongarch64/camin_lasx.S
  4. +211
    -0
      kernel/loongarch64/camin_lsx.S

+ 1
- 0
kernel/loongarch64/KERNEL.LOONGSON2K1000 View File

@@ -13,6 +13,7 @@ CAMAXKERNEL = camax_lsx.S

SAMINKERNEL = amin_lsx.S
DAMINKERNEL = amin_lsx.S
CAMINKERNEL = camin_lsx.S

SMAXKERNEL = max_lsx.S
DMAXKERNEL = max_lsx.S


+ 1
- 0
kernel/loongarch64/KERNEL.LOONGSON3R5 View File

@@ -13,6 +13,7 @@ CAMAXKERNEL = camax_lasx.S

SAMINKERNEL = amin_lasx.S
DAMINKERNEL = amin_lasx.S
CAMINKERNEL = camin_lasx.S

SMAXKERNEL = max_lsx.S
DMAXKERNEL = max_lsx.S


+ 199
- 0
kernel/loongarch64/camin_lasx.S View File

@@ -0,0 +1,199 @@
/***************************************************************************
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 $r12
#define TEMP $r16
#define t1 $f14
#define t2 $f18
#define t3 $f15
#define t4 $f17
#define s1 $f22
#define s2 $f9
#define s3 $f10
#define s4 $f11
#define a0 $f20
#define a1 $f21
#define x1 $xr9
#define x2 $xr10
#define x3 $xr11
#define x4 $xr12
#define VT0 $xr13
#define VT1 $xr14
#define res0 $xr18
#define neg1 $xr19
#define VX0 $xr20
#define VX1 $xr21
#define VM0 $xr22
#define VM1 $xr23

PROLOGUE
MTC s1, $r0
xvxor.v res0, res0, res0
bge $r0, N, .L999
bge $r0, INCX, .L999
fld.s a0, X, 0 * SIZE
fld.s a1, X, 1 * SIZE
fabs.s a0, a0
fabs.s a1, a1
fadd.s s1, a1, a0
xvreplve0.w VM0, VM0
li.d TEMP, 1
li.w I, -1
slli.d TEMP, TEMP, ZBASE_SHIFT
slli.d INCX, INCX, ZBASE_SHIFT
xvreplgr2vr.w neg1, I
xvffint.s.w neg1, neg1
srai.d I, N, 3
bne INCX, TEMP, .L20
bge $r0, I, .L23
.align 3

.L10:
xvld VX0, X, 0 * SIZE
xvld VX1, X, 8 * SIZE
addi.d I, I, -1
xvpickev.w x1, VX1, VX0
xvpickod.w x2, VX1, VX0
xvfmul.s x3, neg1, x1
xvfmul.s x4, neg1, x2
xvfcmp.clt.s VT0, x1, res0
xvfcmp.clt.s VT1, x2, res0
xvbitsel.v x1, x1, x3, VT0
xvbitsel.v x2, x2, x4, VT1
addi.d X, X, 16 * SIZE
xvfadd.s VM1, x1, x2
xvfmin.s VM0, VM0, VM1
blt $r0, I, .L10
.align 3

.L11:
xvpickve.w x1, VM0, 0
xvpickve.w x2, VM0, 1
xvpickve.w x3, VM0, 2
xvpickve.w x4, VM0, 3
xvfmin.s VM1, x1, x2
xvfmin.s VM0, x3, x4
xvfmin.s VM0, VM0, VM1
b .L23
.align 3

.L20: // INCX!=1
bge $r0, I, .L23
.align 3

.L21:
fld.s t1, X, 0 * SIZE
fld.s t2, X, 1 * SIZE
add.d X, X, INCX
fld.s t3, X, 0 * SIZE
fld.s t4, X, 1 * SIZE
add.d X, X, INCX
fabs.s t1, t1
fabs.s t2, t2
fabs.s t3, t3
fabs.s t4, t4
fadd.s t1, t1, t2
fadd.s t3, t3, t4
fmin.s s1, t1, t3
fld.s t1, X, 0 * SIZE
fld.s t2, X, 1 * SIZE
add.d X, X, INCX
fld.s t3, X, 0 * SIZE
fld.s t4, X, 1 * SIZE
add.d X, X, INCX
fabs.s t1, t1
fabs.s t2, t2
fabs.s t3, t3
fabs.s t4, t4
fadd.s t1, t1, t2
fadd.s t3, t3, t4
fmin.s s1, t1, t3
fld.s t1, X, 0 * SIZE
fld.s t2, X, 1 * SIZE
add.d X, X, INCX
fld.s t3, X, 0 * SIZE
fld.s t4, X, 1 * SIZE
add.d X, X, INCX
fabs.s t1, t1
fabs.s t2, t2
fabs.s t3, t3
fabs.s t4, t4
addi.d I, I, -1
fadd.s t1, t1, t2
fadd.s t3, t3, t4
fmin.s s3, t1, t3
fld.s t1, X, 0 * SIZE
fld.s t2, X, 1 * SIZE
add.d X, X, INCX
fld.s t3, X, 0 * SIZE
fld.s t4, X, 1 * SIZE
add.d X, X, INCX
fabs.s t1, t1
fabs.s t2, t2
fabs.s t3, t3
fabs.s t4, t4
fadd.s t1, t1, t2
fadd.s t3, t3, t4
fmin.s s4, t1, t3
blt $r0, I, .L21
.align 3

.L22:
fmin.s s1, s1, s2
fmin.s s3, s3, s4
fmin.s s1, s1, s3
.align 3

.L23: //N<8
andi I, N, 7
bge $r0, I, .L999
.align 3

.L24:
LD a0, X, 0 * SIZE
LD a1, X, 1 * SIZE
addi.d I, I, -1
FABS a0, a0
FABS a1, a1
ADD a0, a0, a1
add.d X, X, INCX
fmin.s s1, a0, s1
blt $r0, I, .L24
.align 3

.L999:
fmov.s $f0, $f22
jirl $r0, $r1, 0x0
.align 3

EPILOGUE

+ 211
- 0
kernel/loongarch64/camin_lsx.S View File

@@ -0,0 +1,211 @@
/***************************************************************************
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 $r12
#define t1 $f14
#define t2 $f18
#define t3 $f15
#define t4 $f17
#define s1 $f22
#define s2 $f9
#define s3 $f10
#define s4 $f11
#define TEMP $r16
#define a0 $f20
#define a1 $f21
#define x1 $vr9
#define x2 $vr10
#define x3 $vr11
#define x4 $vr12
#define VT0 $vr13
#define VT1 $vr14
#define res0 $vr18
#define neg1 $vr19
#define VX0 $vr20
#define VX1 $vr21
#define VM0 $vr22
#define VM1 $vr23

PROLOGUE
MTC s1, $r0
vxor.v res0, res0, res0
bge $r0, N, .L999
bge $r0, INCX, .L999
fld.s a0, X, 0 * SIZE
fld.s a1, X, 1 * SIZE
fabs.s a0, a0
fabs.s a1, a1
fadd.s s1, a1, a0
vreplvei.w VM0, VM0, 0
li.d TEMP, 1
li.w I, -1
slli.d TEMP, TEMP, ZBASE_SHIFT
slli.d INCX, INCX, ZBASE_SHIFT
vreplgr2vr.w neg1, I
vffint.s.w neg1, neg1
srai.d I, N, 3
bne INCX, TEMP, .L20
bge $r0, I, .L23
.align 3

.L10:
vld VX0, X, 0 * SIZE
vld VX1, X, 4 * SIZE
addi.d I, I, -1
vpickev.w x1, VX1, VX0
vpickod.w x2, VX1, VX0
vfmul.s x3, neg1, x1
vfmul.s x4, neg1, x2
vfcmp.clt.s VT0, x1, res0
vfcmp.clt.s VT1, x2, res0
vld VX0, X, 8 * SIZE
vbitsel.v x1, x1, x3, VT0
vbitsel.v x2, x2, x4, VT1
vld VX1, X, 12 * SIZE
vfadd.s VM1, x1, x2
vpickev.w x1, VX1, VX0
vpickod.w x2, VX1, VX0
vfmul.s x3, neg1, x1
vfmul.s x4, neg1, x2
vfcmp.clt.s VT0, x1, res0
vfcmp.clt.s VT1, x2, res0
addi.d X, X, 16 * SIZE
vbitsel.v x1, x1, x3, VT0
vbitsel.v x2, x2, x4, VT1
vfadd.s x1, x1, x2
vfmin.s VM1, x1, VM1
vfmin.s VM0, VM0, VM1
blt $r0, I, .L10
.align 3

.L11:
vreplvei.w x1, VM0, 0
vreplvei.w x2, VM0, 1
vreplvei.w x3, VM0, 2
vreplvei.w x4, VM0, 3
vfmin.s VM1, x1, x2
vfmin.s VM0, x3, x4
vfmin.s VM0, VM0, VM1
b .L23
.align 3

.L20: // INCX!=1
bge $r0, I, .L23
.align 3

.L21:
fld.s t1, X, 0 * SIZE
fld.s t2, X, 1 * SIZE
add.d X, X, INCX
fld.s t3, X, 0 * SIZE
fld.s t4, X, 1 * SIZE
add.d X, X, INCX
fabs.s t1, t1
fabs.s t2, t2
fabs.s t3, t3
fabs.s t4, t4
fadd.s t1, t1, t2
fadd.s t3, t3, t4
fmin.s s1, t1, t3
fld.s t1, X, 0 * SIZE
fld.s t2, X, 1 * SIZE
add.d X, X, INCX
fld.s t3, X, 0 * SIZE
fld.s t4, X, 1 * SIZE
add.d X, X, INCX
fabs.s t1, t1
fabs.s t2, t2
fabs.s t3, t3
fabs.s t4, t4
fadd.s t1, t1, t2
fadd.s t3, t3, t4
fmin.s s1, t1, t3
fld.s t1, X, 0 * SIZE
fld.s t2, X, 1 * SIZE
add.d X, X, INCX
fld.s t3, X, 0 * SIZE
fld.s t4, X, 1 * SIZE
add.d X, X, INCX
fabs.s t1, t1
fabs.s t2, t2
fabs.s t3, t3
fabs.s t4, t4
addi.d I, I, -1
fadd.s t1, t1, t2
fadd.s t3, t3, t4
fmin.s s3, t1, t3
fld.s t1, X, 0 * SIZE
fld.s t2, X, 1 * SIZE
add.d X, X, INCX
fld.s t3, X, 0 * SIZE
fld.s t4, X, 1 * SIZE
add.d X, X, INCX
fabs.s t1, t1
fabs.s t2, t2
fabs.s t3, t3
fabs.s t4, t4
fadd.s t1, t1, t2
fadd.s t3, t3, t4
fmin.s s4, t1, t3
blt $r0, I, .L21
.align 3

.L22:
fmin.s s1, s1, s2
fmin.s s3, s3, s4
fmin.s s1, s1, s3
.align 3

.L23: //N<8
andi I, N, 7
bge $r0, I, .L999
.align 3

.L24:
fld.s a0, X, 0 * SIZE
fld.s a1, X, 1 * SIZE
addi.d I, I, -1
fabs.s a0, a0
fabs.s a1, a1
fadd.s a0, a0, a1
add.d X, X, INCX
fmin.s s1, a0, s1
blt $r0, I, .L24
.align 3

.L999:
fmov.s $f0, $f22
jirl $r0, $r1, 0x0
.align 3

EPILOGUE

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