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loongarch64: Refine imax optimization.

tags/v0.3.26
zhoupeng Shiyou Yin 1 year ago
parent
154baad454
commit
8be2654193
7 changed files with 626 additions and 810 deletions
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  1. +2
    -2
      kernel/loongarch64/KERNEL.LOONGSON2K1000
  2. +2
    -2
      kernel/loongarch64/KERNEL.LOONGSON3R5
  3. +0
    -273
      kernel/loongarch64/idmax_lasx.S
  4. +0
    -225
      kernel/loongarch64/idmax_lsx.S
  5. +194
    -36
      kernel/loongarch64/imax_lasx.S
  6. +428
    -0
      kernel/loongarch64/imax_lsx.S
  7. +0
    -272
      kernel/loongarch64/ismax_lsx.S

+ 2
- 2
kernel/loongarch64/KERNEL.LOONGSON2K1000 View File

@@ -19,8 +19,8 @@ DMAXKERNEL = max_lsx.S
SMINKERNEL = min_lsx.S
DMINKERNEL = min_lsx.S

ISMAXKERNEL = ismax_lsx.S
IDMAXKERNEL = idmax_lsx.S
ISMAXKERNEL = imax_lsx.S
IDMAXKERNEL = imax_lsx.S

ISMINKERNEL = ismin_lsx.S
IDMINKERNEL = idmin_lsx.S


+ 2
- 2
kernel/loongarch64/KERNEL.LOONGSON3R5 View File

@@ -19,8 +19,8 @@ DMAXKERNEL = max_lsx.S
SMINKERNEL = min_lsx.S
DMINKERNEL = min_lsx.S

ISMAXKERNEL = ismax_lasx.S
IDMAXKERNEL = idmax_lasx.S
ISMAXKERNEL = imax_lasx.S
IDMAXKERNEL = imax_lasx.S

ISMINKERNEL = ismin_lasx.S
IDMINKERNEL = idmin_lasx.S


+ 0
- 273
kernel/loongarch64/idmax_lasx.S View File

@@ -1,273 +0,0 @@
#define ASSEMBLER

#include "common.h"

#define N $r4
#define X $r5
#define INCX $r6
#define I $r12
#define t1 $r13
#define t2 $r15
#define t3 $r18
#define t4 $r16
#define i0 $r17
#define i1 $r14
#define TEMP $r19
#define x1 $xr9
#define x2 $xr10
#define x3 $xr11
#define x4 $xr12
#define VX0 $xr13
#define VX1 $xr14
#define VM0 $xr15
#define VM1 $xr16
#define VINC4 $xr17
#define VINC8 $xr18
#define VI0 $xr20
#define VI1 $xr21
#define VI2 $xr22
#define VI3 $xr8
#define VI4 $xr19
#define VT0 $xr23

PROLOGUE
li.d i0, 0
bge $r0, N, .L999
bge $r0, INCX, .L999
li.d TEMP, 1
slli.d TEMP, TEMP, BASE_SHIFT
slli.d INCX, INCX, BASE_SHIFT
bne INCX, TEMP, .L20
xvld VM0, X, 0
addi.d i0, i0, 1
srai.d I, N, 3
bge $r0, I, .L21
slli.d i0, i0, 2 //4
xvreplgr2vr.d VINC4, i0
slli.d i0, i0, 1 //8
xvreplgr2vr.d VINC8, i0
addi.d i0, i0, -15
xvinsgr2vr.d VI1, i0, 0 //initialize the index value for vectorization
addi.d i0, i0, 1
xvinsgr2vr.d VI1, i0, 1
addi.d i0, i0, 1
xvinsgr2vr.d VI1, i0, 2
addi.d i0, i0, 1
xvinsgr2vr.d VI1, i0, 3
addi.d i0, i0, 5
xvinsgr2vr.d VI0, i0, 0 //1
addi.d i0, i0, 1
xvinsgr2vr.d VI0, i0, 1 //2
addi.d i0, i0, 1
xvinsgr2vr.d VI0, i0, 2 //3
addi.d i0, i0, 1
xvinsgr2vr.d VI0, i0, 3 //4
.align 3

.L10:
xvld VX0, X, 0 * SIZE
xvadd.d VI1, VI1, VINC8
xvld VX1, X, 4 * SIZE
xvadd.d VI2, VI1, VINC4
xvfcmp.clt.d VT0, VX0, VX1
addi.d I, I, -1
xvbitsel.v VM1, VX0, VX1, VT0
xvbitsel.v VI2, VI1, VI2, VT0
xvfcmp.clt.d VT0, VM0, VM1
addi.d X, X, 8 * SIZE
xvbitsel.v VM0, VM0, VM1, VT0
xvbitsel.v VI0, VI0, VI2, VT0
blt $r0, I, .L10
.align 3

.L15:
xvpickve.d VI1, VI0, 0
xvpickve.d VI2, VI0, 1
xvpickve.d VI3, VI0, 2
xvpickve.d VI4, VI0, 3
xvpickve.d x1, VM0, 0
xvpickve.d x2, VM0, 1
xvpickve.d x3, VM0, 2
xvpickve.d x4, VM0, 3
xvfcmp.clt.d VT0, x1, x2
xvbitsel.v VM1, x1, x2, VT0
xvbitsel.v VINC4, VI1, VI2, VT0
xvfcmp.clt.d VT0, x3, x4
xvbitsel.v VM0, x3, x4, VT0
xvbitsel.v VINC8, VI3, VI4, VT0
xvfcmp.clt.d VT0, VM0, VM1
xvbitsel.v VM0, VM0, VM1, VT0
xvbitsel.v VI0, VINC8, VINC4, VT0
li.d TEMP, 1 //处理尾数相等时取最小序号
movgr2fr.d $f17, TEMP
ffint.d.l $f17, $f17
xvfcmp.ceq.d VT0, VM0, x1
fcmp.ceq.d $fcc0, $f23, $f17
bceqz $fcc0, .L26
xvfcmp.clt.d VT0, VI1, VI0
xvbitsel.v VI0, VI0, VI1, VT0
b .L26
.align 3


.L20: // INCX!=1
move TEMP, X
addi.d i0, i0, 1
ld.d t1, TEMP, 0 * SIZE
add.d TEMP, TEMP, INCX
xvinsgr2vr.d VM0, t1, 0
srai.d I, N, 3
bge $r0, I, .L21
ld.d t2, TEMP, 0 * SIZE
add.d TEMP, TEMP, INCX
ld.d t3, TEMP, 0 * SIZE
add.d TEMP, TEMP, INCX
ld.d t4, TEMP, 0 * SIZE
add.d TEMP, TEMP, INCX
xvinsgr2vr.d VM0, t2, 1
xvinsgr2vr.d VM0, t3, 2
xvinsgr2vr.d VM0, t4, 3
slli.d i0, i0, 2 //4
xvreplgr2vr.d VINC4, i0
slli.d i0, i0, 1 //8
xvreplgr2vr.d VINC8, i0
addi.d i0, i0, -15
xvinsgr2vr.d VI1, i0, 0 //initialize the index value for vectorization
addi.d i0, i0, 1
xvinsgr2vr.d VI1, i0, 1
addi.d i0, i0, 1
xvinsgr2vr.d VI1, i0, 2
addi.d i0, i0, 1
xvinsgr2vr.d VI1, i0, 3
addi.d i0, i0, 5
xvinsgr2vr.d VI0, i0, 0 //1
addi.d i0, i0, 1
xvinsgr2vr.d VI0, i0, 1 //2
addi.d i0, i0, 1
xvinsgr2vr.d VI0, i0, 2 //3
addi.d i0, i0, 1
xvinsgr2vr.d VI0, i0, 3 //4
.align 3

.L24:
ld.d t1, X, 0 * SIZE
add.d X, X, INCX
ld.d t2, X, 0 * SIZE
add.d X, X, INCX
ld.d t3, X, 0 * SIZE
add.d X, X, INCX
ld.d t4, X, 0 * 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
xvadd.d VI1, VI1, VINC8
ld.d t1, X, 0 * SIZE
add.d X, X, INCX
ld.d t2, X, 0 * SIZE
add.d X, X, INCX
ld.d t3, X, 0 * SIZE
add.d X, X, INCX
ld.d t4, X, 0 * 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
xvadd.d VI2, VI1, VINC4
xvfcmp.clt.d VT0, VX0, VX1
addi.d I, I, -1
xvbitsel.v VM1, VX0, VX1, VT0
xvbitsel.v VI2, VI1, VI2, VT0
xvfcmp.clt.d VT0, VM0, VM1
xvbitsel.v VM0, VM0, VM1, VT0
xvbitsel.v VI0, VI0, VI2, VT0
blt $r0, I, .L24
.align 3

.L25:
xvpickve.d VI1, VI0, 0
xvpickve.d VI2, VI0, 1
xvpickve.d VI3, VI0, 2
xvpickve.d VI4, VI0, 3
xvpickve.d x1, VM0, 0
xvpickve.d x2, VM0, 1
xvpickve.d x3, VM0, 2
xvpickve.d x4, VM0, 3
xvfcmp.clt.d VT0, x1, x2
xvbitsel.v VM1, x1, x2, VT0
xvbitsel.v VINC4, VI1, VI2, VT0
xvfcmp.clt.d VT0, x3, x4
xvbitsel.v VM0, x3, x4, VT0
xvbitsel.v VINC8, VI3, VI4, VT0
xvfcmp.clt.d VT0, VM0, VM1
xvbitsel.v VM0, VM0, VM1, VT0
xvbitsel.v VI0, VINC8, VINC4, VT0
li.d TEMP, 1 //处理尾数相等时取最小序号
movgr2fr.d $f17, TEMP
ffint.d.l $f17, $f17
xvfcmp.ceq.d VT0, VM0, x1
fcmp.ceq.d $fcc0, $f23, $f17
bceqz $fcc0, .L26
xvfcmp.clt.d VT0, VI1, VI0
xvbitsel.v VI0, VI0, VI1, VT0
.align 3

.L26:
xvfcmp.ceq.d VT0, VM0, x2
fcmp.ceq.d $fcc0, $f23, $f17
bceqz $fcc0, .L27
xvfcmp.clt.d VT0, VI2, VI0
xvbitsel.v VI0, VI0, VI2, VT0
.align 3

.L27:
xvfcmp.ceq.d VT0, VM0, x3
fcmp.ceq.d $fcc0, $f23, $f17
bceqz $fcc0, .L28
xvfcmp.clt.d VT0, VI3, VI0
xvbitsel.v VI0, VI0, VI3, VT0
.align 3

.L28:
xvfcmp.ceq.d VT0, VM0, x4
fcmp.ceq.d $fcc0, $f23, $f17
bceqz $fcc0, .L29
xvfcmp.clt.d VT0, VI4, VI0
xvbitsel.v VI0, VI0, VI4, VT0
.align 3

.L29:
movfr2gr.d i0, $f20
.align 3

.L21: //N<8
andi I, N, 7
bge $r0, I, .L999
srai.d i1, N, 3
slli.d i1, i1, 3
addi.d i1, i1, 1 //current index
movgr2fr.d $f21, i1
movgr2fr.d $f20, i0
.align 3

.L22:
fld.d $f9, X, 0
addi.d I, I, -1
fcmp.clt.d $fcc0, $f15, $f9
add.d X, X, INCX
fsel $f15, $f15, $f9, $fcc0
fsel $f20, $f20, $f21, $fcc0
addi.d i1, i1, 1
movgr2fr.d $f21, i1
blt $r0, I, .L22
movfr2gr.d i0, $f20
.align 3

.L999:
move $r4, $r17
jirl $r0, $r1, 0x0
.align 3

EPILOGUE

+ 0
- 225
kernel/loongarch64/idmax_lsx.S View File

@@ -1,225 +0,0 @@
#define ASSEMBLER

#include "common.h"

#define N $r4
#define X $r5
#define INCX $r6
#define I $r12
#define t1 $r13
#define t2 $r15
#define t3 $r18
#define t4 $r16
#define i0 $r17
#define i1 $r14
#define TEMP $r19
#define x1 $vr9
#define x2 $vr10
#define x3 $vr11
#define x4 $vr12
#define VX0 $vr13
#define VX1 $vr14
#define VM0 $vr15
#define VM1 $vr16
#define VINC2 $vr17
#define VINC4 $vr18
#define VI0 $vr20
#define VI1 $vr21
#define VI2 $vr22
#define VI3 $vr8
#define VI4 $vr19
#define VT0 $vr23

PROLOGUE
li.d i0, 0
bge $r0, N, .L999
bge $r0, INCX, .L999
li.d TEMP, 1
slli.d TEMP, TEMP, BASE_SHIFT
slli.d INCX, INCX, BASE_SHIFT
bne INCX, TEMP, .L20
vld VM0, X, 0
addi.d i0, i0, 1
srai.d I, N, 3
bge $r0, I, .L21
slli.d i0, i0, 1 //2
vreplgr2vr.d VINC2, i0
slli.d i0, i0, 1 //4
vreplgr2vr.d VINC4, i0
addi.d i0, i0, -7
vinsgr2vr.d VI1, i0, 0 //initialize the index value for vectorization
addi.d i0, i0, 1
vinsgr2vr.d VI1, i0, 1
addi.d i0, i0, 3
vinsgr2vr.d VI0, i0, 0 //1
addi.d i0, i0, 1
vinsgr2vr.d VI0, i0, 1 //2
.align 3

.L10:
vld VX0, X, 0 * SIZE
vadd.d VI1, VI1, VINC4
vld VX1, X, 2 * SIZE
vadd.d VI2, VI1, VINC2
vfcmp.clt.d VT0, VX0, VX1
vbitsel.v x1, VX0, VX1, VT0
vbitsel.v x2, VI1, VI2, VT0
vld VX0, X, 4 * SIZE
vadd.d VI1, VI2, VINC2
vld VX1, X, 6 * SIZE
vadd.d VI2, VI1, VINC2
vfcmp.clt.d VT0, VX0, VX1
addi.d I, I, -1
vbitsel.v x3, VX0, VX1, VT0
vbitsel.v x4, VI1, VI2, VT0
vfcmp.clt.d VT0, x1, x3
vbitsel.v x1, x1, x3, VT0
vbitsel.v x2, x2, x4, VT0
vfcmp.clt.d VT0, VM0, x1
addi.d X, X, 8 * SIZE
vbitsel.v VM0, VM0, x1, VT0
vbitsel.v VI0, VI0, x2, VT0
blt $r0, I, .L10
.align 3

.L15:
vreplvei.d VI1, VI0, 0
vreplvei.d VI2, VI0, 1
vreplvei.d x1, VM0, 0
vreplvei.d x2, VM0, 1
li.d TEMP, 1 //处理尾数相等时取最小序号
movgr2fr.d $f17, TEMP
ffint.d.l $f17, $f17
vfcmp.ceq.d VT0, x2, x1
fcmp.ceq.d $fcc0, $f23, $f17
bceqz $fcc0, .L26
vfcmp.clt.d VT0, VI1, VI0
vbitsel.v VI0, VI0, VI1, VT0
b .L27
.align 3

.L20: // INCX!=1
move TEMP, X
addi.d i0, i0, 1
ld.d t1, TEMP, 0 * SIZE
add.d TEMP, TEMP, INCX
vinsgr2vr.d VM0, t1, 0
srai.d I, N, 3
bge $r0, I, .L21
ld.d t2, TEMP, 0 * SIZE
add.d TEMP, TEMP, INCX
vinsgr2vr.d VM0, t2, 1
slli.d i0, i0, 1 //2
vreplgr2vr.d VINC2, i0
slli.d i0, i0, 1 //4
vreplgr2vr.d VINC4, i0
addi.d i0, i0, -7
vinsgr2vr.d VI1, i0, 0 //initialize the index value for vectorization
addi.d i0, i0, 1
vinsgr2vr.d VI1, i0, 1
addi.d i0, i0, 3
vinsgr2vr.d VI0, i0, 0 //1
addi.d i0, i0, 1
vinsgr2vr.d VI0, i0, 1 //2
.align 3

.L24:
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
vadd.d VI1, VI1, VINC4
ld.d t1, X, 0 * SIZE
add.d X, X, INCX
ld.d t2, X, 0 * SIZE
add.d X, X, INCX
vinsgr2vr.d VX1, t1, 0
vinsgr2vr.d VX1, t2, 1
vadd.d VI2, VI1, VINC2
vfcmp.clt.d VT0, VX0, VX1
vbitsel.v x1, VX0, VX1, VT0
vbitsel.v x2, VI1, VI2, VT0
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
vadd.d VI1, VI2, VINC2
ld.d t1, X, 0 * SIZE
add.d X, X, INCX
ld.d t2, X, 0 * SIZE
add.d X, X, INCX
vinsgr2vr.d VX1, t1, 0
vinsgr2vr.d VX1, t2, 1
vadd.d VI2, VI1, VINC2
vfcmp.clt.d VT0, VX0, VX1
vbitsel.v x3, VX0, VX1, VT0
vbitsel.v x4, VI1, VI2, VT0
vfcmp.clt.d VT0, x1, x3
vbitsel.v x1, x1, x3, VT0
vbitsel.v x2, x2, x4, VT0
vfcmp.clt.d VT0, VM0, x1
addi.d I, I, -1
vbitsel.v VM0, VM0, x1, VT0
vbitsel.v VI0, VI0, x2, VT0
blt $r0, I, .L24
.align 3

.L25:
vreplvei.d VI1, VI0, 0
vreplvei.d VI2, VI0, 1
vreplvei.d x1, VM0, 0
vreplvei.d x2, VM0, 1
li.d TEMP, 1 //处理尾数相等时取最小序号
movgr2fr.d $f17, TEMP
ffint.d.l $f17, $f17
vfcmp.ceq.d VT0, x2, x1
fcmp.ceq.d $fcc0, $f23, $f17
bceqz $fcc0, .L26
vfcmp.clt.d VT0, VI1, VI0
vbitsel.v VI0, VI0, VI1, VT0
b .L27
.align 3

.L26:
vfcmp.clt.d VT0, x1, x2
vbitsel.v VM0, x1, x2, VT0
vbitsel.v VI0, VI1, VI2, VT0
.align 3

.L27:
movfr2gr.d i0, $f20
.align 3

.L21: //N<8
andi I, N, 7
bge $r0, I, .L999
srai.d i1, N, 3
slli.d i1, i1, 3
addi.d i1, i1, 1 //current index
movgr2fr.d $f21, i1
movgr2fr.d $f20, i0
.align 3

.L22:
fld.d $f9, X, 0
addi.d I, I, -1
fcmp.clt.d $fcc0, $f15, $f9
add.d X, X, INCX
fsel $f15, $f15, $f9, $fcc0
fsel $f20, $f20, $f21, $fcc0
addi.d i1, i1, 1
movgr2fr.d $f21, i1
blt $r0, I, .L22
movfr2gr.d i0, $f20
.align 3

.L999:
move $r4, $r17
jirl $r0, $r1, 0x0
.align 3

EPILOGUE

kernel/loongarch64/ismax_lasx.S → kernel/loongarch64/imax_lasx.S View File

@@ -1,3 +1,29 @@
/***************************************************************************
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"
@@ -39,6 +65,31 @@
slli.d INCX, INCX, BASE_SHIFT
bne INCX, TEMP, .L20
xvld VM0, X, 0
#ifdef DOUBLE
addi.d i0, i0, 1
srai.d I, N, 3
bge $r0, I, .L21
slli.d i0, i0, 2 //4
xvreplgr2vr.d VINC4, i0
slli.d i0, i0, 1 //8
xvreplgr2vr.d VINC8, i0
addi.d i0, i0, -15
xvinsgr2vr.d VI1, i0, 0 //initialize the index value for vectorization
addi.d i0, i0, 1
xvinsgr2vr.d VI1, i0, 1
addi.d i0, i0, 1
xvinsgr2vr.d VI1, i0, 2
addi.d i0, i0, 1
xvinsgr2vr.d VI1, i0, 3
addi.d i0, i0, 5
xvinsgr2vr.d VI0, i0, 0 //1
addi.d i0, i0, 1
xvinsgr2vr.d VI0, i0, 1 //2
addi.d i0, i0, 1
xvinsgr2vr.d VI0, i0, 2 //3
addi.d i0, i0, 1
xvinsgr2vr.d VI0, i0, 3 //4
#else
addi.w i0, i0, 1
srai.d I, N, 3
bge $r0, I, .L21
@@ -76,20 +127,47 @@
xvinsgr2vr.w VI0, i0, 6 //7
addi.w i0, i0, 1
xvinsgr2vr.w VI0, i0, 7 //8
#endif

.align 3

.L10:
xvld VX0, X, 0 * SIZE
#ifdef DOUBLE
xvadd.d VI1, VI1, VINC8
xvld VX1, X, 4 * SIZE
xvadd.d VI2, VI1, VINC4
xvfcmp.clt.d VT0, VX0, VX1
addi.d I, I, -1
xvbitsel.v VM1, VX0, VX1, VT0
xvbitsel.v VI2, VI1, VI2, VT0
xvfcmp.clt.d VT0, VM0, VM1
addi.d X, X, 8 * SIZE
xvbitsel.v VM0, VM0, VM1, VT0
xvbitsel.v VI0, VI0, VI2, VT0
#else
xvadd.w VI1, VI1, VINC8
xvfcmp.clt.s VT0, VM0, VX0
addi.d I, I, -1
xvbitsel.v VM0, VM0, VX0, VT0
xvbitsel.v VI0, VI0, VI1, VT0
addi.d X, X, 8 * SIZE
#endif
blt $r0, I, .L10
.align 3

.L15:
#ifdef DOUBLE
xvpickve.d VI1, VI0, 0
xvpickve.d VI2, VI0, 1
xvpickve.d VI3, VI0, 2
xvpickve.d VI4, VI0, 3
xvpickve.d x1, VM0, 0
xvpickve.d x2, VM0, 1
xvpickve.d x3, VM0, 2
xvpickve.d x4, VM0, 3
xvfcmp.clt.d VT0, x1, x2
#else
xvxor.v VX0, VX0, VX0
xvor.v VX0, VI0, VX0
xvxor.v VX1, VX1, VX1
@@ -103,28 +181,33 @@
xvpickve.w x3, VM0, 2
xvpickve.w x4, VM0, 3
xvfcmp.clt.s VT0, x1, x2
#endif
xvbitsel.v VM1, x1, x2, VT0
xvbitsel.v VINC4, VI1, VI2, VT0
xvfcmp.clt.s VT0, x3, x4
XVCMPLT VT0, x3, x4
xvbitsel.v VM0, x3, x4, VT0
xvbitsel.v VINC8, VI3, VI4, VT0
xvfcmp.clt.s VT0, VM0, VM1
XVCMPLT VT0, VM0, VM1
xvbitsel.v VM0, VM0, VM1, VT0
xvbitsel.v VI0, VINC8, VINC4, VT0
li.d TEMP, 1 //处理尾数相等时取最小序号
movgr2fr.w $f17, TEMP
ffint.s.w $f17, $f17
xvfcmp.ceq.s VT0, VM0, x1
fcmp.ceq.s $fcc0, $f23, $f17
fcmp.ceq.d $fcc0, $f15, $f9
bceqz $fcc0, .L26
xvfcmp.clt.s VT0, VI1, VI0
XVCMPLT VT0, VI1, VI0
xvbitsel.v VI0, VI0, VI1, VT0
b .L26
.align 3


.L20: // INCX!=1
move TEMP, X
#ifdef DOUBLE
addi.d i0, i0, 1
ld.d t1, TEMP, 0 * SIZE
add.d TEMP, TEMP, INCX
xvinsgr2vr.d VM0, t1, 0
srai.d I, N, 3
bge $r0, I, .L21
ld.d t2, TEMP, 0 * SIZE
#else
addi.w i0, i0, 1
ld.w t1, TEMP, 0 * SIZE
add.d TEMP, TEMP, INCX
@@ -143,11 +226,38 @@
ld.w t1, TEMP, 0 * SIZE
add.d TEMP, TEMP, INCX
ld.w t2, TEMP, 0 * SIZE
#endif
add.d TEMP, TEMP, INCX
ld.w t3, TEMP, 0 * SIZE
ld.d t3, TEMP, 0 * SIZE
add.d TEMP, TEMP, INCX
ld.w t4, TEMP, 0 * SIZE
ld.d t4, TEMP, 0 * SIZE
add.d TEMP, TEMP, INCX
#ifdef DOUBLE
xvinsgr2vr.d VM0, t1, 0
xvinsgr2vr.d VM0, t2, 1
xvinsgr2vr.d VM0, t3, 2
xvinsgr2vr.d VM0, t4, 3
slli.d i0, i0, 2 //4
xvreplgr2vr.d VINC4, i0
slli.d i0, i0, 1 //8
xvreplgr2vr.d VINC8, i0
addi.d i0, i0, -15
xvinsgr2vr.d VI1, i0, 0 //initialize the index value for vectorization
addi.d i0, i0, 1
xvinsgr2vr.d VI1, i0, 1
addi.d i0, i0, 1
xvinsgr2vr.d VI1, i0, 2
addi.d i0, i0, 1
xvinsgr2vr.d VI1, i0, 3
addi.d i0, i0, 5
xvinsgr2vr.d VI0, i0, 0 //1
addi.d i0, i0, 1
xvinsgr2vr.d VI0, i0, 1 //2
addi.d i0, i0, 1
xvinsgr2vr.d VI0, i0, 2 //3
addi.d i0, i0, 1
xvinsgr2vr.d VI0, i0, 3 //4
#else
xvinsgr2vr.w VM0, t1, 4
xvinsgr2vr.w VM0, t2, 5
xvinsgr2vr.w VM0, t3, 6
@@ -186,9 +296,46 @@
xvinsgr2vr.w VI0, i0, 6 //7
addi.w i0, i0, 1
xvinsgr2vr.w VI0, i0, 7 //8
#endif
.align 3

.L24:
#ifdef DOUBLE
ld.d t1, X, 0 * SIZE
add.d X, X, INCX
ld.d t2, X, 0 * SIZE
add.d X, X, INCX
ld.d t3, X, 0 * SIZE
add.d X, X, INCX
ld.d t4, X, 0 * 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
xvadd.d VI1, VI1, VINC8
ld.d t1, X, 0 * SIZE
add.d X, X, INCX
ld.d t2, X, 0 * SIZE
add.d X, X, INCX
ld.d t3, X, 0 * SIZE
add.d X, X, INCX
ld.d t4, X, 0 * 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
xvadd.d VI1, VI1, VINC8
xvadd.d VI2, VI1, VINC4
xvfcmp.clt.d VT0, VX0, VX1
addi.d I, I, -1
xvbitsel.v VM1, VX0, VX1, VT0
xvbitsel.v VI2, VI1, VI2, VT0
xvfcmp.clt.d VT0, VM0, VM1
xvbitsel.v VM0, VM0, VM1, VT0
xvbitsel.v VI0, VI0, VI2, VT0
#else
ld.w t1, X, 0 * SIZE
add.d X, X, INCX
ld.w t2, X, 0 * SIZE
@@ -218,10 +365,21 @@
addi.d I, I, -1
xvbitsel.v VM0, VM0, VX0, VT0
xvbitsel.v VI0, VI0, VI1, VT0
#endif
blt $r0, I, .L24
.align 3

.L25:
#ifdef DOUBLE
xvpickve.d VI1, VI0, 0
xvpickve.d VI2, VI0, 1
xvpickve.d VI3, VI0, 2
xvpickve.d VI4, VI0, 3
xvpickve.d x1, VM0, 0
xvpickve.d x2, VM0, 1
xvpickve.d x3, VM0, 2
xvpickve.d x4, VM0, 3
#else
xvxor.v VX0, VX0, VX0
xvor.v VX0, VI0, VX0
xvxor.v VX1, VX1, VX1
@@ -230,57 +388,56 @@
xvpickve.w VI2, VI0, 1
xvpickve.w VI3, VI0, 2
xvpickve.w VI4, VI0, 3
xvpickve.w x1, VM0, 0
xvpickve.w x2, VM0, 1
xvpickve.w x3, VM0, 2
xvpickve.w x4, VM0, 3
xvfcmp.clt.s VT0, x1, x2
xvpickve.w x1, VM0, 0
xvpickve.w x2, VM0, 1
xvpickve.w x3, VM0, 2
xvpickve.w x4, VM0, 3
#endif
XVCMPLT VT0, x1, x2
xvbitsel.v VM1, x1, x2, VT0
xvbitsel.v VINC4, VI1, VI2, VT0
xvfcmp.clt.s VT0, x3, x4
XVCMPLT VT0, x3, x4
xvbitsel.v VM0, x3, x4, VT0
xvbitsel.v VINC8, VI3, VI4, VT0
xvfcmp.clt.s VT0, VM0, VM1
XVCMPLT VT0, VM0, VM1
xvbitsel.v VM0, VM0, VM1, VT0
xvbitsel.v VI0, VINC8, VINC4, VT0
li.d TEMP, 1 //处理尾数相等时取最小序号
movgr2fr.w $f17, TEMP
ffint.s.w $f17, $f17
xvfcmp.ceq.s VT0, VM0, x1
fcmp.ceq.s $fcc0, $f23, $f17
fcmp.ceq.d $fcc0, $f15, $f9
bceqz $fcc0, .L26
xvfcmp.clt.s VT0, VI1, VI0
XVCMPLT VT0, VI1, VI0
xvbitsel.v VI0, VI0, VI1, VT0
.align 3

.L26:
xvfcmp.ceq.s VT0, VM0, x2
fcmp.ceq.s $fcc0, $f23, $f17
fcmp.ceq.d $fcc0, $f15, $f10
bceqz $fcc0, .L27
xvfcmp.clt.s VT0, VI2, VI0
XVCMPLT VT0, VI2, VI0
xvbitsel.v VI0, VI0, VI2, VT0
.align 3

.L27:
xvfcmp.ceq.s VT0, VM0, x3
fcmp.ceq.s $fcc0, $f23, $f17
fcmp.ceq.d $fcc0, $f15, $f11
bceqz $fcc0, .L28
xvfcmp.clt.s VT0, VI3, VI0
XVCMPLT VT0, VI3, VI0
xvbitsel.v VI0, VI0, VI3, VT0
.align 3

.L28:
xvfcmp.ceq.s VT0, VM0, x4
fcmp.ceq.s $fcc0, $f23, $f17
fcmp.ceq.d $fcc0, $f15, $f12
bceqz $fcc0, .L29
xvfcmp.clt.s VT0, VI4, VI0
XVCMPLT VT0, VI4, VI0
xvbitsel.v VI0, VI0, VI4, VT0
.align 3

.L29:
#ifdef DOUBLE
movfr2gr.d i0, $f20
#else
fmov.s $f16, $f20
#endif
.align 3

#ifndef DOUBLE
.L252:
xvxor.v VI0, VI0, VI0
xvor.v VI0, VI0, VX0
@@ -343,6 +500,7 @@
fsel $f15, $f15, $f13, $fcc0
fsel $f20, $f20, $f16, $fcc0
movfr2gr.s i0, $f20
#endif

.L21: //N<8
andi I, N, 7
@@ -357,14 +515,14 @@
.L22:
fld.d $f9, X, 0
addi.d I, I, -1
fcmp.clt.s $fcc0, $f15, $f9
CMPLT $fcc0, $f15, $f9
add.d X, X, INCX
fsel $f15, $f15, $f9, $fcc0
fsel $f20, $f20, $f21, $fcc0
addi.d i1, i1, 1
movgr2fr.d $f21, i1
blt $r0, I, .L22
movfr2gr.s i0, $f20
MTG i0, $f20
.align 3

.L999:
@@ -372,4 +530,4 @@
jirl $r0, $r1, 0x0
.align 3

EPILOGUE
EPILOGUE

+ 428
- 0
kernel/loongarch64/imax_lsx.S View File

@@ -0,0 +1,428 @@
/***************************************************************************
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 $r13
#define t2 $r15
#define t3 $r18
#define t4 $r16
#define i0 $r17
#define i1 $r14
#define TEMP $r19
#define x1 $vr9
#define x2 $vr10
#define x3 $vr11
#define x4 $vr12
#define VX0 $vr13
#define VX1 $vr14
#define VM0 $vr15
#define VM1 $vr16
#define VI0 $vr20
#define VI1 $vr21
#define VI2 $vr22
#define VI3 $vr8
#define VI4 $vr19
#define VT0 $vr23

PROLOGUE
li.d i0, 0
bge $r0, N, .L999
bge $r0, INCX, .L999
li.d TEMP, 1
slli.d TEMP, TEMP, BASE_SHIFT
slli.d INCX, INCX, BASE_SHIFT
bne INCX, TEMP, .L20
vld VM0, X, 0
#ifdef DOUBLE
addi.d i0, i0, 1
srai.d I, N, 3
bge $r0, I, .L21
slli.d i0, i0, 1 //2
vreplgr2vr.d $vr17, i0
slli.d i0, i0, 1 //4
vreplgr2vr.d $vr18, i0
addi.d i0, i0, -7
vinsgr2vr.d VI1, i0, 0 //initialize the index value for vectorization
addi.d i0, i0, 1
vinsgr2vr.d VI1, i0, 1
addi.d i0, i0, 3
vinsgr2vr.d VI0, i0, 0 //1
addi.d i0, i0, 1
vinsgr2vr.d VI0, i0, 1 //2
#else
addi.w i0, i0, 1
srai.d I, N, 3
bge $r0, I, .L21
slli.w i0, i0, 2 //4
vreplgr2vr.w $vr17, i0
slli.w i0, i0, 1 //8
vreplgr2vr.w $vr18, i0
addi.w i0, i0, -15
vinsgr2vr.w VI1, i0, 0 //initialize the index value for vectorization
addi.w i0, i0, 1
vinsgr2vr.w VI1, i0, 1
addi.w i0, i0, 1
vinsgr2vr.w VI1, i0, 2
addi.w i0, i0, 1
vinsgr2vr.w VI1, i0, 3
addi.w i0, i0, 5
vinsgr2vr.w VI0, i0, 0 //1
addi.w i0, i0, 1
vinsgr2vr.w VI0, i0, 1 //2
addi.w i0, i0, 1
vinsgr2vr.w VI0, i0, 2 //3
addi.w i0, i0, 1
vinsgr2vr.w VI0, i0, 3 //4
#endif
.align 3

.L10:
vld VX0, X, 0 * SIZE
#ifdef DOUBLE
vadd.d VI1, VI1, $vr18
vld VX1, X, 2 * SIZE
vadd.d VI2, VI1, $vr17
VCMPLT VT0, VX0, VX1
vbitsel.v x1, VX0, VX1, VT0
vbitsel.v x2, VI1, VI2, VT0
vld VX0, X, 4 * SIZE
vadd.d VI1, VI2, $vr17
vld VX1, X, 6 * SIZE
vadd.d VI2, VI1, $vr17
VCMPLT VT0, VX0, VX1
addi.d I, I, -1
vbitsel.v x3, VX0, VX1, VT0
vbitsel.v x4, VI1, VI2, VT0
VCMPLT VT0, x1, x3
vbitsel.v x1, x1, x3, VT0
vbitsel.v x2, x2, x4, VT0
VCMPLT VT0, VM0, x1
addi.d X, X, 8 * SIZE
vbitsel.v VM0, VM0, x1, VT0
vbitsel.v VI0, VI0, x2, VT0
#else
vadd.w VI1, VI1, $vr18
vld VX1, X, 4 * SIZE
vadd.w VI2, VI1, $vr17
VCMPLT VT0, VX0, VX1
addi.d I, I, -1
vbitsel.v VM1, VX0, VX1, VT0
vbitsel.v VI2, VI1, VI2, VT0
VCMPLT VT0, VM0, VM1
addi.d X, X, 8 * SIZE
vbitsel.v VM0, VM0, VM1, VT0
vbitsel.v VI0, VI0, VI2, VT0
#endif
blt $r0, I, .L10
.align 3

.L15:
#ifdef DOUBLE
vreplvei.d VI1, VI0, 0
vreplvei.d VI2, VI0, 1
vreplvei.d x1, VM0, 0
vreplvei.d x2, VM0, 1
fcmp.ceq.d $fcc0, $f10, $f9
bceqz $fcc0, .L26
VCMPLT VT0, VI1, VI2
vbitsel.v VI0, VI2, VI1, VT0
b .L27
#else
vreplvei.w VI1, VI0, 0
vreplvei.w VI2, VI0, 1
vreplvei.w VI3, VI0, 2
vreplvei.w VI4, VI0, 3
vreplvei.w x1, VM0, 0
vreplvei.w x2, VM0, 1
vreplvei.w x3, VM0, 2
vreplvei.w x4, VM0, 3
VCMPLT VT0, x1, x2
vbitsel.v VM1, x1, x2, VT0
vbitsel.v $vr17, VI1, VI2, VT0
VCMPLT VT0, x3, x4
vbitsel.v VM0, x3, x4, VT0
vbitsel.v $vr18, VI3, VI4, VT0
VCMPLT VT0, VM0, VM1
vbitsel.v VM0, VM0, VM1, VT0
vbitsel.v VI0, $vr18, $vr17, VT0
fcmp.ceq.d $fcc0, $f15, $f9
bceqz $fcc0, .L26
VCMPLT VT0, VI1, VI0
vbitsel.v VI0, VI0, VI1, VT0
b .L26
#endif
.align 3

.L20: // INCX!=1
move TEMP, X
#ifdef DOUBLE
addi.d i0, i0, 1
ld.d t1, TEMP, 0 * SIZE
add.d TEMP, TEMP, INCX
vinsgr2vr.d VM0, t1, 0
srai.d I, N, 3
bge $r0, I, .L21
ld.d t2, TEMP, 0 * SIZE
add.d TEMP, TEMP, INCX
vinsgr2vr.d VM0, t2, 1
slli.d i0, i0, 1 //2
vreplgr2vr.d $vr17, i0
slli.d i0, i0, 1 //4
vreplgr2vr.d $vr18, i0
addi.d i0, i0, -7
vinsgr2vr.d VI1, i0, 0 //initialize the index value for vectorization
addi.d i0, i0, 1
vinsgr2vr.d VI1, i0, 1
addi.d i0, i0, 3
vinsgr2vr.d VI0, i0, 0 //1
addi.d i0, i0, 1
vinsgr2vr.d VI0, i0, 1 //2
#else
addi.w i0, i0, 1
ld.w t1, TEMP, 0 * SIZE
add.d TEMP, TEMP, INCX
vinsgr2vr.w VM0, t1, 0
srai.d I, N, 3
bge $r0, I, .L21
ld.w t2, TEMP, 0 * SIZE
add.d TEMP, TEMP, INCX
ld.w t3, TEMP, 0 * SIZE
add.d TEMP, TEMP, INCX
ld.w t4, TEMP, 0 * SIZE
add.d TEMP, TEMP, INCX
vinsgr2vr.w VM0, t2, 1
vinsgr2vr.w VM0, t3, 2
vinsgr2vr.w VM0, t4, 3
slli.w i0, i0, 2 //4
vreplgr2vr.w $vr17, i0
slli.w i0, i0, 1 //8
vreplgr2vr.w $vr18, i0
addi.w i0, i0, -15
vinsgr2vr.w VI1, i0, 0 //initialize the index value for vectorization
addi.w i0, i0, 1
vinsgr2vr.w VI1, i0, 1
addi.w i0, i0, 1
vinsgr2vr.w VI1, i0, 2
addi.w i0, i0, 1
vinsgr2vr.w VI1, i0, 3
addi.w i0, i0, 5
vinsgr2vr.w VI0, i0, 0 //1
addi.w i0, i0, 1
vinsgr2vr.w VI0, i0, 1 //2
addi.w i0, i0, 1
vinsgr2vr.w VI0, i0, 2 //3
addi.w i0, i0, 1
vinsgr2vr.w VI0, i0, 3 //4
#endif
.align 3

.L24:
#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
vadd.d VI1, VI1, $vr18
ld.d t1, X, 0 * SIZE
add.d X, X, INCX
ld.d t2, X, 0 * SIZE
add.d X, X, INCX
vinsgr2vr.d VX1, t1, 0
vinsgr2vr.d VX1, t2, 1
vadd.d VI2, VI1, $vr17
VCMPLT VT0, VX0, VX1
vbitsel.v x1, VX0, VX1, VT0
vbitsel.v x2, VI1, VI2, VT0
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
vadd.d VI1, VI2, $vr17
ld.d t1, X, 0 * SIZE
add.d X, X, INCX
ld.d t2, X, 0 * SIZE
add.d X, X, INCX
vinsgr2vr.d VX1, t1, 0
vinsgr2vr.d VX1, t2, 1
vadd.d VI2, VI1, $vr17
VCMPLT VT0, VX0, VX1
vbitsel.v x3, VX0, VX1, VT0
vbitsel.v x4, VI1, VI2, VT0
VCMPLT VT0, x1, x3
vbitsel.v x1, x1, x3, VT0
vbitsel.v x2, x2, x4, VT0
VCMPLT VT0, VM0, x1
addi.d I, I, -1
vbitsel.v VM0, VM0, x1, VT0
vbitsel.v VI0, VI0, x2, VT0
#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
add.d X, X, INCX
vinsgr2vr.w VX0, t1, 0
vinsgr2vr.w VX0, t2, 1
vinsgr2vr.w VX0, t3, 2
vinsgr2vr.w VX0, t4, 3
vadd.w VI1, VI1, $vr18
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
vadd.w VI2, VI1, $vr17
VCMPLT VT0, VX0, VX1
addi.d I, I, -1
vbitsel.v VM1, VX0, VX1, VT0
vbitsel.v VI2, VI1, VI2, VT0
VCMPLT VT0, VM0, VM1
vbitsel.v VM0, VM0, VM1, VT0
vbitsel.v VI0, VI0, VI2, VT0
#endif
blt $r0, I, .L24
.align 3

.L25:
#ifdef DOUBLE
vreplvei.d VI1, VI0, 0
vreplvei.d VI2, VI0, 1
vreplvei.d x1, VM0, 0
vreplvei.d x2, VM0, 1
fcmp.ceq.d $fcc0, $f10, $f9
bceqz $fcc0, .L26
VCMPLT VT0, VI1, VI2
vbitsel.v VI0, VI2, VI1, VT0
b .L27
#else
vreplvei.w VI1, VI0, 0
vreplvei.w VI2, VI0, 1
vreplvei.w VI3, VI0, 2
vreplvei.w VI4, VI0, 3
vreplvei.w x1, VM0, 0
vreplvei.w x2, VM0, 1
vreplvei.w x3, VM0, 2
vreplvei.w x4, VM0, 3
vfcmp.clt.s VT0, x1, x2
vbitsel.v VM1, x1, x2, VT0
vbitsel.v $vr17, VI1, VI2, VT0
vfcmp.clt.s VT0, x3, x4
vbitsel.v VM0, x3, x4, VT0
vbitsel.v $vr18, VI3, VI4, VT0
vfcmp.clt.s VT0, VM0, VM1
vbitsel.v VM0, VM0, VM1, VT0
vbitsel.v VI0, $vr18, $vr17, VT0
fcmp.ceq.d $fcc0, $f15, $f9
bceqz $fcc0, .L26
vfcmp.clt.s VT0, VI1, VI0
vbitsel.v VI0, VI0, VI1, VT0
#endif
.align 3

.L26:
#ifdef DOUBLE
VCMPLT VT0, x1, x2
vbitsel.v VM0, x1, x2, VT0
vbitsel.v VI0, VI1, VI2, VT0
#else
fcmp.ceq.d $fcc0, $f15, $f10
bceqz $fcc0, .L27
VCMPLT VT0, VI2, VI0
vbitsel.v VI0, VI0, VI2, VT0
#endif
.align 3

.L27:
#ifndef DOUBLE
fcmp.ceq.d $fcc0, $f15, $f11
bceqz $fcc0, .L28
VCMPLT VT0, VI3, VI0
vbitsel.v VI0, VI0, VI3, VT0
.align 3

.L28:
fcmp.ceq.d $fcc0, $f15, $f12
bceqz $fcc0, .L29
VCMPLT VT0, VI4, VI0
vbitsel.v VI0, VI0, VI4, VT0
.align 3

.L29:
#endif
MTG i0, $f20
.align 3

.L21: //N<8
andi I, N, 7
bge $r0, I, .L999
srai.d i1, N, 3
slli.d i1, i1, 3
addi.d i1, i1, 1 //current index
movgr2fr.d $f21, i1
movgr2fr.d $f20, i0
.align 3

.L22:
fld.d $f9, X, 0
addi.d I, I, -1
CMPLT $fcc0, $f15, $f9
add.d X, X, INCX
fsel $f15, $f15, $f9, $fcc0
fsel $f20, $f20, $f21, $fcc0
addi.d i1, i1, 1
movgr2fr.d $f21, i1
blt $r0, I, .L22
MTG i0, $f20
.align 3

.L999:
move $r4, $r17
jirl $r0, $r1, 0x0
.align 3

EPILOGUE

+ 0
- 272
kernel/loongarch64/ismax_lsx.S View File

@@ -1,272 +0,0 @@
#define ASSEMBLER

#include "common.h"

#define N $r4
#define X $r5
#define INCX $r6
#define I $r12
#define t1 $r13
#define t2 $r15
#define t3 $r18
#define t4 $r16
#define i0 $r17
#define i1 $r14
#define TEMP $r19
#define x1 $vr9
#define x2 $vr10
#define x3 $vr11
#define x4 $vr12
#define VX0 $vr13
#define VX1 $vr14
#define VM0 $vr15
#define VM1 $vr16
#define VINC4 $vr17
#define VINC8 $vr18
#define VI0 $vr20
#define VI1 $vr21
#define VI2 $vr22
#define VI3 $vr8
#define VI4 $vr19
#define VT0 $vr23

PROLOGUE
li.d i0, 0
bge $r0, N, .L999
bge $r0, INCX, .L999
li.d TEMP, 1
slli.d TEMP, TEMP, BASE_SHIFT
slli.d INCX, INCX, BASE_SHIFT
bne INCX, TEMP, .L20
vld VM0, X, 0
addi.w i0, i0, 1
srai.d I, N, 3
bge $r0, I, .L21
slli.w i0, i0, 2 //4
vreplgr2vr.w VINC4, i0
slli.w i0, i0, 1 //8
vreplgr2vr.w VINC8, i0
addi.w i0, i0, -15
vinsgr2vr.w VI1, i0, 0 //initialize the index value for vectorization
addi.w i0, i0, 1
vinsgr2vr.w VI1, i0, 1
addi.w i0, i0, 1
vinsgr2vr.w VI1, i0, 2
addi.w i0, i0, 1
vinsgr2vr.w VI1, i0, 3
addi.w i0, i0, 5
vinsgr2vr.w VI0, i0, 0 //1
addi.w i0, i0, 1
vinsgr2vr.w VI0, i0, 1 //2
addi.w i0, i0, 1
vinsgr2vr.w VI0, i0, 2 //3
addi.w i0, i0, 1
vinsgr2vr.w VI0, i0, 3 //4
.align 3

.L10:
vld VX0, X, 0 * SIZE
vadd.w VI1, VI1, VINC8
vld VX1, X, 4 * SIZE
vadd.w VI2, VI1, VINC4
vfcmp.clt.s VT0, VX0, VX1
addi.d I, I, -1
vbitsel.v VM1, VX0, VX1, VT0
vbitsel.v VI2, VI1, VI2, VT0
vfcmp.clt.s VT0, VM0, VM1
addi.d X, X, 8 * SIZE
vbitsel.v VM0, VM0, VM1, VT0
vbitsel.v VI0, VI0, VI2, VT0
blt $r0, I, .L10
.align 3

.L15:
vreplvei.w VI1, VI0, 0
vreplvei.w VI2, VI0, 1
vreplvei.w VI3, VI0, 2
vreplvei.w VI4, VI0, 3
vreplvei.w x1, VM0, 0
vreplvei.w x2, VM0, 1
vreplvei.w x3, VM0, 2
vreplvei.w x4, VM0, 3
vfcmp.clt.s VT0, x1, x2
vbitsel.v VM1, x1, x2, VT0
vbitsel.v VINC4, VI1, VI2, VT0
vfcmp.clt.s VT0, x3, x4
vbitsel.v VM0, x3, x4, VT0
vbitsel.v VINC8, VI3, VI4, VT0
vfcmp.clt.s VT0, VM0, VM1
vbitsel.v VM0, VM0, VM1, VT0
vbitsel.v VI0, VINC8, VINC4, VT0
li.d TEMP, 1 //处理尾数相等时取最小序号
movgr2fr.w $f17, TEMP
ffint.s.w $f17, $f17
vfcmp.ceq.s VT0, VM0, x1
fcmp.ceq.s $fcc0, $f23, $f17
bceqz $fcc0, .L26
vfcmp.clt.s VT0, VI1, VI0
vbitsel.v VI0, VI0, VI1, VT0
b .L26
.align 3

.L20: // INCX!=1
move TEMP, X
addi.w i0, i0, 1
ld.w t1, TEMP, 0 * SIZE
add.d TEMP, TEMP, INCX
vinsgr2vr.w VM0, t1, 0
srai.d I, N, 3
bge $r0, I, .L21
ld.w t2, TEMP, 0 * SIZE
add.d TEMP, TEMP, INCX
ld.w t3, TEMP, 0 * SIZE
add.d TEMP, TEMP, INCX
ld.w t4, TEMP, 0 * SIZE
add.d TEMP, TEMP, INCX
vinsgr2vr.w VM0, t2, 1
vinsgr2vr.w VM0, t3, 2
vinsgr2vr.w VM0, t4, 3
slli.w i0, i0, 2 //4
vreplgr2vr.w VINC4, i0
slli.w i0, i0, 1 //8
vreplgr2vr.w VINC8, i0
addi.w i0, i0, -15
vinsgr2vr.w VI1, i0, 0 //initialize the index value for vectorization
addi.w i0, i0, 1
vinsgr2vr.w VI1, i0, 1
addi.w i0, i0, 1
vinsgr2vr.w VI1, i0, 2
addi.w i0, i0, 1
vinsgr2vr.w VI1, i0, 3
addi.w i0, i0, 5
vinsgr2vr.w VI0, i0, 0 //1
addi.w i0, i0, 1
vinsgr2vr.w VI0, i0, 1 //2
addi.w i0, i0, 1
vinsgr2vr.w VI0, i0, 2 //3
addi.w i0, i0, 1
vinsgr2vr.w VI0, i0, 3 //4
.align 3

.L24:
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 VX0, t1, 0
vinsgr2vr.w VX0, t2, 1
vinsgr2vr.w VX0, t3, 2
vinsgr2vr.w VX0, t4, 3
vadd.w VI1, VI1, VINC8
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
vadd.w VI2, VI1, VINC4
vfcmp.clt.s VT0, VX0, VX1
addi.d I, I, -1
vbitsel.v VM1, VX0, VX1, VT0
vbitsel.v VI2, VI1, VI2, VT0
vfcmp.clt.s VT0, VM0, VM1
vbitsel.v VM0, VM0, VM1, VT0
vbitsel.v VI0, VI0, VI2, VT0
blt $r0, I, .L24
.align 3

.L25:
vreplvei.w VI1, VI0, 0
vreplvei.w VI2, VI0, 1
vreplvei.w VI3, VI0, 2
vreplvei.w VI4, VI0, 3
vreplvei.w x1, VM0, 0
vreplvei.w x2, VM0, 1
vreplvei.w x3, VM0, 2
vreplvei.w x4, VM0, 3
vfcmp.clt.s VT0, x1, x2
vbitsel.v VM1, x1, x2, VT0
vbitsel.v VINC4, VI1, VI2, VT0
vfcmp.clt.s VT0, x3, x4
vbitsel.v VM0, x3, x4, VT0
vbitsel.v VINC8, VI3, VI4, VT0
vfcmp.clt.s VT0, VM0, VM1
vbitsel.v VM0, VM0, VM1, VT0
vbitsel.v VI0, VINC8, VINC4, VT0
li.d TEMP, 1 //处理尾数相等时取最小序号
movgr2fr.w $f17, TEMP
ffint.s.w $f17, $f17
vfcmp.ceq.s VT0, VM0, x1
fcmp.ceq.s $fcc0, $f23, $f17
bceqz $fcc0, .L26
vfcmp.clt.s VT0, VI1, VI0
vbitsel.v VI0, VI0, VI1, VT0
.align 3

.L26:
vfcmp.ceq.s VT0, VM0, x2
fcmp.ceq.s $fcc0, $f23, $f17
bceqz $fcc0, .L27
vfcmp.clt.s VT0, VI2, VI0
vbitsel.v VI0, VI0, VI2, VT0
.align 3

.L27:
vfcmp.ceq.s VT0, VM0, x3
fcmp.ceq.s $fcc0, $f23, $f17
bceqz $fcc0, .L28
vfcmp.clt.s VT0, VI3, VI0
vbitsel.v VI0, VI0, VI3, VT0
.align 3

.L28:
vfcmp.ceq.s VT0, VM0, x4
fcmp.ceq.s $fcc0, $f23, $f17
bceqz $fcc0, .L29
vfcmp.clt.s VT0, VI4, VI0
vbitsel.v VI0, VI0, VI4, VT0
.align 3

.L29:
movfr2gr.s i0, $f20
.align 3

.L21: //N<8
andi I, N, 7
bge $r0, I, .L999
srai.d i1, N, 3
slli.d i1, i1, 3
addi.d i1, i1, 1 //current index
movgr2fr.d $f21, i1
movgr2fr.d $f20, i0
.align 3

.L22:
fld.d $f9, X, 0
addi.d I, I, -1
fcmp.clt.s $fcc0, $f15, $f9
fsel $f15, $f15, $f9, $fcc0
fsel $f20, $f20, $f21, $fcc0
addi.d i1, i1, 1
add.d X, X, INCX
movgr2fr.d $f21, i1
blt $r0, I, .L22
movfr2gr.s i0, $f20
.align 3

.L999:
move $r4, $r17
jirl $r0, $r1, 0x0
.align 3

EPILOGUE

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