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Merge pull request #4542 from ErnstPeng/feature-branch 

Optimized ssymv and dsymv kernel LSX for LoongArch
tags/v0.3.27
Martin Kroeker GitHub 1 year ago
parent
56fad407d1 680a77fafc
commit
b1f2ef5e0b
No known key found for this signature in database GPG Key ID: B5690EEEBB952194
5 changed files with 1704 additions and 0 deletions
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  1. +6
    -0
      kernel/loongarch64/KERNEL.LOONGSON2K1000
  2. +432
    -0
      kernel/loongarch64/dsymv_L_lsx.S
  3. +420
    -0
      kernel/loongarch64/dsymv_U_lsx.S
  4. +429
    -0
      kernel/loongarch64/ssymv_L_lsx.S
  5. +417
    -0
      kernel/loongarch64/ssymv_U_lsx.S

+ 6
- 0
kernel/loongarch64/KERNEL.LOONGSON2K1000 View File

@@ -88,9 +88,15 @@ ZSUMKERNEL = csum_lsx.S
SGEMVNKERNEL = sgemv_n_lsx.S
SGEMVTKERNEL = sgemv_t_lsx.S

SSYMV_U_KERNEL = ssymv_U_lsx.S
SSYMV_L_KERNEL = ssymv_L_lsx.S

DGEMVNKERNEL = dgemv_n_lsx.S
DGEMVTKERNEL = dgemv_t_lsx.S

DSYMV_U_KERNEL = dsymv_U_lsx.S
DSYMV_L_KERNEL = dsymv_L_lsx.S

DGEMMKERNEL = dgemm_kernel_8x4.S
DGEMMINCOPY = dgemm_ncopy_8_lsx.S
DGEMMITCOPY = dgemm_tcopy_8_lsx.S


+ 432
- 0
kernel/loongarch64/dsymv_L_lsx.S View File

@@ -0,0 +1,432 @@
/*******************************************************************************
Copyright (c) 2024, 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"

/* Param */
#define M $r4
#define N $r5
#define A $r6
#define LDA $r7
#define X $r8
#define INCX $r9
#define Y $r10
#define INCY $r11
#define BUFFER $r16
#define ALPHA $f0

#define JY $r18
#define JX $r31
#define T0 $r19
#define T1 $r20
#define AO3 $r12
#define AO4 $r13
#define I $r14
#define J $r15
#define AO1 $r23
#define AO2 $r24
#define IX $r25
#define IY $r26
#define II $r27
#define T2 $r28
#define T3 $r29
#define T4 $r30

/* LSX vectors */
#define U0 $vr31
#define U1 $vr1
#define U2 $vr2
#define U3 $vr3
#define U4 $vr4
#define U5 $vr5
#define U6 $vr6
#define U7 $vr7
#define U8 $vr8
#define U9 $vr9
#define U10 $vr10
#define U11 $vr11
#define U12 $vr12
#define U13 $vr13
#define U14 $vr14
#define U15 $vr15
#define U16 $vr16
#define VALPHA $vr17

#define a2 $f2
#define a3 $f3
#define a4 $f4
#define a5 $f5
#define a6 $f6
#define a7 $f7
#define a8 $f8
#define a9 $f9


PROLOGUE

LDARG BUFFER, $sp, 0

addi.d $sp, $sp, -88

SDARG $r23, $sp, 0
SDARG $r24, $sp, 8
SDARG $r25, $sp, 16
SDARG $r26, $sp, 32
SDARG $r27, $sp, 40
SDARG $r28, $sp, 48
SDARG $r29, $sp, 56
SDARG $r30, $sp, 64
SDARG $r31, $sp, 72
ST ALPHA, $sp, 80

vldrepl.d VALPHA, $sp, 80

slli.d LDA, LDA, BASE_SHIFT
slli.d INCX, INCX, BASE_SHIFT
slli.d INCY, INCY, BASE_SHIFT

bge $r0, M, .L999
bge $r0, N, .L999

move J, $r0
move JY, $r0
move JX, $r0
move AO1, A

beq J, N, .L999

.L01:
MTC a2, $r0 //temp2
fldx.d a6, X, JX
fmul.d a3, ALPHA, a6 //temp1
vshuf4i.d U3, U3, 0x00
vshuf4i.d U2, U2, 0x00

mul.d T0, J, LDA
slli.d T1, J, BASE_SHIFT
add.d T0, T0, T1
fldx.d a6, AO1, T0
fldx.d a4, Y, JY
fmadd.d a4, a3, a6, a4
fstx.d a4, Y, JY

move IY, JY
move IX, JX
addi.d II, J, 1
move I, II
slli.d II, II, BASE_SHIFT

sub.d T0, M, J
addi.d T0, T0, -1
srai.d T0, T0, 3
add.d T0, T0, J
addi.d T0, T0, 1
beq I, T0, .L03
bge I, T0, .L03

mul.d T1, J, LDA
add.d T1, T1, II

.L02: /* /8 */
vldx U1, AO1, T1
addi.d T1, T1, 16
vldx U14, AO1, T1
addi.d T1, T1, 16
vldx U15, AO1, T1
addi.d T1, T1, 16
vldx U16, AO1, T1
addi.d T1, T1, 16

add.d T2, IY, INCY
fldx.d $f4, Y, T2
add.d T2, T2, INCY
fldx.d $f5, Y, T2
add.d T2, T2, INCY
fldx.d $f6, Y, T2
add.d T2, T2, INCY
fldx.d $f7, Y, T2

add.d T2, T2, INCY
fldx.d $f8, Y, T2
add.d T2, T2, INCY
fldx.d $f9, Y, T2
add.d T2, T2, INCY
fldx.d $f10, Y, T2
add.d T2, T2, INCY
fldx.d $f11, Y, T2

vextrins.d U4, U5, 0x10
vextrins.d U6, U7, 0x10
vextrins.d U8, U9, 0x10
vextrins.d U10, U11, 0x10

vfmadd.d U4, U3, U1, U4
vfmadd.d U6, U3, U14, U6
vfmadd.d U8, U3, U15, U8
vfmadd.d U10, U3, U16, U10

vextrins.d U5, U4, 0x01
vextrins.d U7, U6, 0x01
vextrins.d U9, U8, 0x01
vextrins.d U11, U10, 0x01

add.d T2, IY, INCY
fstx.d $f4, Y, T2
add.d T2, T2, INCY
fstx.d $f5, Y, T2
add.d T2, T2, INCY
fstx.d $f6, Y, T2
add.d T2, T2, INCY
fstx.d $f7, Y, T2

add.d T2, T2, INCY
fstx.d $f8, Y, T2
add.d T2, T2, INCY
fstx.d $f9, Y, T2
add.d T2, T2, INCY
fstx.d $f10, Y, T2
add.d T2, T2, INCY
fstx.d $f11, Y, T2

slli.d T2, INCY, 3
add.d IY, IY, T2

add.d T2, IX, INCX
fldx.d $f4, X, T2
add.d T2, T2, INCX
fldx.d $f5, X, T2
add.d T2, T2, INCX
fldx.d $f6, X, T2
add.d T2, T2, INCX
fldx.d $f7, X, T2

add.d T2, T2, INCX
fldx.d $f8, X, T2
add.d T2, T2, INCX
fldx.d $f9, X, T2
add.d T2, T2, INCX
fldx.d $f10, X, T2
add.d T2, T2, INCX
fldx.d $f11, X, T2

vextrins.d U4, U5, 0x10
vextrins.d U6, U7, 0x10
vextrins.d U8, U9, 0x10
vextrins.d U10, U11, 0x10

vand.v $vr12, $vr2, $vr2

vfmadd.d U2, U1, U4, U2
vfsub.d U2, U2, $vr12
vfmadd.d U2, U14, U6, U2
vfmadd.d U2, U15, U8, U2
vfmadd.d U2, U16, U10, U2

vextrins.d U4, U2, 0x01

fadd.d $f2, $f2, $f4
fadd.d $f2, $f2, $f12

vextrins.d U2, U2, 0x10

slli.d T2, INCX, 3
add.d IX, IX, T2

addi.d II, II, 64
addi.d I, I, 1
blt I, T0, .L02

.L03: /* &4 */
sub.d T0, M, J
addi.d T0, T0, -1
andi T0, T0, 4
beq $r0, T0, .L04

mul.d T1, J, LDA
add.d T1, T1, II
addi.d T2, T1, 16

vldx U1, AO1, T1
vldx U14, AO1, T2

add.d T1, IY, INCY
add.d T2, T1, INCY
add.d T3, T2, INCY
add.d T4, T3, INCY

fldx.d $f4, Y, T1
fldx.d $f5, Y, T2
fldx.d $f6, Y, T3
fldx.d $f7, Y, T4

vextrins.d U4, U5, 0x10
vextrins.d U6, U7, 0x10

vfmadd.d U4, U3, U1, U4
vfmadd.d U6, U3, U14, U6

vextrins.d U5, U4, 0x01
vextrins.d U7, U6, 0x01

fstx.d $f4, Y, T1
fstx.d $f5, Y, T2
fstx.d $f6, Y, T3
fstx.d $f7, Y, T4

slli.d T1, INCY, 2
add.d IY, IY, T1

add.d T1, IX, INCX
add.d T2, T1, INCX
add.d T3, T2, INCX
add.d T4, T3, INCX

fldx.d $f4, X, T1
fldx.d $f5, X, T2
fldx.d $f6, X, T3
fldx.d $f7, X, T4

vextrins.d U4, U5, 0x10
vextrins.d U6, U7, 0x10

vand.v $vr12, $vr2, $vr2

vfmadd.d U2, U1, U4, U2
vfsub.d U2, U2, $vr12
vfmadd.d U2, U14, U6, U2

vextrins.d U4, U2, 0x01

fadd.d $f2, $f2, $f4
fadd.d $f2, $f2, $f12

vextrins.d U2, U2, 0x10

slli.d T2, INCX, 2
add.d IX, IX, T2

addi.d II, II, 32

.L04: /* &2 */
sub.d T0, M, J
addi.d T0, T0, -1
andi T0, T0, 2
beq $r0, T0, .L05

mul.d T1, J, LDA
add.d T1, T1, II

vldx U1, AO1, T1

add.d T1, IY, INCY
add.d T2, T1, INCY

fldx.d $f6, Y, T1
fldx.d $f7, Y, T2

vextrins.d U6, U7, 0x10
vfmadd.d U6, U3, U1, U6
vextrins.d U7, U6, 0x01

fstx.d $f6, Y, T1
fstx.d $f7, Y, T2

slli.d T1, INCY, 1
add.d IY, IY, T1

add.d T1, IX, INCX
add.d T2, T1, INCX

fldx.d $f6, X, T1
fldx.d $f7, X, T2

vextrins.d U6, U7, 0x10
vand.v U12, U2, U2

vfmadd.d U2, U1, U6, U2
vfsub.d U2, U2, U12

vextrins.d U4, U2, 0x01
fadd.d $f2, $f2, $f4
fadd.d $f2, $f2, $f12

vextrins.d U2, U2, 0x10

slli.d T2, INCX, 1
add.d IX, IX, T2

addi.d II, II, 16

.L05: /* &1 */
sub.d T0, M, J
addi.d T0, T0, -1
andi T0, T0, 1
beq $r0, T0, .L06

mul.d T1, J, LDA
add.d T1, T1, II

fldx.d $f4, AO1, T1
add.d IY, IY, INCY
fldx.d $f6, Y, IY
fmadd.d $f6, $f3, $f4, $f6
fstx.d $f6, Y, IY

add.d IX, IX, INCX
fldx.d $f6, X, IX
fmadd.d $f2, $f4, $f6, $f2

addi.d II, II, 8

.L06:
fldx.d $f6, Y, JY
fmadd.d $f6, ALPHA, $f2, $f6
fstx.d $f6, Y, JY

add.d JX, JX, INCX
add.d JY, JY, INCY

addi.d J, J, 1
blt J, N, .L01

.L999:
LDARG $r23, $sp, 0
LDARG $r24, $sp, 8
LDARG $r25, $sp, 16
LDARG $r26, $sp, 32
LDARG $r27, $sp, 40
LDARG $r28, $sp, 48
LDARG $r29, $sp, 56
LDARG $r30, $sp, 64
LDARG $r31, $sp, 72

addi.d $sp, $sp, 88
jirl $r0, $r1, 0x0

EPILOGUE

+ 420
- 0
kernel/loongarch64/dsymv_U_lsx.S View File

@@ -0,0 +1,420 @@
/*******************************************************************************
Copyright (c) 2024, 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"

/* Param */
#define M $r4
#define N $r5
#define A $r6
#define LDA $r7
#define X $r8
#define INCX $r9
#define Y $r10
#define INCY $r11
#define BUFFER $r16
#define ALPHA $f0

#define JY $r18
#define JX $r31
#define T0 $r19
#define T1 $r20
#define M1 $r12
#define AO4 $r13
#define I $r14
#define J $r15
#define AO1 $r23
#define AO2 $r24
#define IX $r25
#define IY $r26
#define II $r27
#define T2 $r28
#define T3 $r29
#define T4 $r30

/* LSX vectors */
#define U0 $vr31
#define U1 $vr1
#define U2 $vr2
#define U3 $vr3
#define U4 $vr4
#define U5 $vr5
#define U6 $vr6
#define U7 $vr7
#define U8 $vr8
#define U9 $vr9
#define U10 $vr10
#define U11 $vr11
#define U12 $vr12
#define U13 $vr13
#define U14 $vr14
#define U15 $vr15
#define U16 $vr16
#define VALPHA $vr17

#define a2 $f2
#define a3 $f3
#define a4 $f4
#define a5 $f5
#define a6 $f6
#define a7 $f7
#define a8 $f8
#define a9 $f9


PROLOGUE

LDARG BUFFER, $sp, 0

addi.d $sp, $sp, -88

SDARG $r23, $sp, 0
SDARG $r24, $sp, 8
SDARG $r25, $sp, 16
SDARG $r26, $sp, 32
SDARG $r27, $sp, 40
SDARG $r28, $sp, 48
SDARG $r29, $sp, 56
SDARG $r30, $sp, 64
SDARG $r31, $sp, 72
ST ALPHA, $sp, 80

vldrepl.d VALPHA, $sp, 80

slli.d LDA, LDA, BASE_SHIFT
slli.d INCX, INCX, BASE_SHIFT
slli.d INCY, INCY, BASE_SHIFT

bge $r0, M, .L999
bge $r0, N, .L999

sub.d M1, M, N

mul.d JY, M1, INCY
mul.d JX, M1, INCX

move J, M1
move AO1, A

beq J, M, .L999

.L01:
MTC $f2, $r0 //temp2
fldx.d $f6, X, JX
fmul.d $f3, ALPHA, $f6 //temp1
vshuf4i.d U3, U3, 0x00
vshuf4i.d U2, U2, 0x00

move IY, $r0
move IX, $r0
move II, $r0
move I, $r0

srai.d T0, J, 3
beq I, T0, .L03

mul.d T1, J, LDA
add.d T1, T1, II

.L02: /* /8 */
vldx U1, AO1, T1
addi.d T1, T1, 16
vldx U14, AO1, T1
addi.d T1, T1, 16
vldx U15, AO1, T1
addi.d T1, T1, 16
vldx U16, AO1, T1
addi.d T1, T1, 16

fldx.d $f4, Y, IY
add.d T2, IY, INCY
fldx.d $f5, Y, T2
add.d T2, T2, INCY
fldx.d $f6, Y, T2
add.d T2, T2, INCY
fldx.d $f7, Y, T2

add.d T2, T2, INCY
fldx.d $f8, Y, T2
add.d T2, T2, INCY
fldx.d $f9, Y, T2
add.d T2, T2, INCY
fldx.d $f10, Y, T2
add.d T2, T2, INCY
fldx.d $f11, Y, T2

vextrins.d U4, U5, 0x10
vextrins.d U6, U7, 0x10
vextrins.d U8, U9, 0x10
vextrins.d U10, U11, 0x10

vfmadd.d U4, U3, U1, U4
vfmadd.d U6, U3, U14, U6
vfmadd.d U8, U3, U15, U8
vfmadd.d U10, U3, U16, U10

vextrins.d U5, U4, 0x01
vextrins.d U7, U6, 0x01
vextrins.d U9, U8, 0x01
vextrins.d U11, U10, 0x01

fstx.d $f4, Y, IY
add.d T2, IY, INCY
fstx.d $f5, Y, T2
add.d T2, T2, INCY
fstx.d $f6, Y, T2
add.d T2, T2, INCY
fstx.d $f7, Y, T2

add.d T2, T2, INCY
fstx.d $f8, Y, T2
add.d T2, T2, INCY
fstx.d $f9, Y, T2
add.d T2, T2, INCY
fstx.d $f10, Y, T2
add.d T2, T2, INCY
fstx.d $f11, Y, T2

slli.d T2, INCY, 3
add.d IY, IY, T2

fldx.d $f4, X, IX
add.d T2, IX, INCX
fldx.d $f5, X, T2
add.d T2, T2, INCX
fldx.d $f6, X, T2
add.d T2, T2, INCX
fldx.d $f7, X, T2

add.d T2, T2, INCX
fldx.d $f8, X, T2
add.d T2, T2, INCX
fldx.d $f9, X, T2
add.d T2, T2, INCX
fldx.d $f10, X, T2
add.d T2, T2, INCX
fldx.d $f11, X, T2

vextrins.d U4, U5, 0x10
vextrins.d U6, U7, 0x10
vextrins.d U8, U9, 0x10
vextrins.d U10, U11, 0x10

vand.v $vr12, $vr2, $vr2

vfmadd.d U2, U1, U4, U2
vfsub.d U2, U2, $vr12
vfmadd.d U2, U14, U6, U2
vfmadd.d U2, U15, U8, U2
vfmadd.d U2, U16, U10, U2

vextrins.d U4, U2, 0x01

fadd.d $f2, $f2, $f4
fadd.d $f2, $f2, $f12

vextrins.d U2, U2, 0x10

slli.d T2, INCX, 3
add.d IX, IX, T2

addi.d II, II, 64
addi.d I, I, 1
blt I, T0, .L02

.L03: /* &4 */
andi T0, J, 4
beq $r0, T0, .L04

mul.d T1, J, LDA
add.d T1, T1, II
addi.d T2, T1, 16

vldx U1, AO1, T1
vldx U14, AO1, T2

move T1, IY
add.d T2, T1, INCY
add.d T3, T2, INCY
add.d T4, T3, INCY

fldx.d $f4, Y, T1
fldx.d $f5, Y, T2
fldx.d $f6, Y, T3
fldx.d $f7, Y, T4

vextrins.d U4, U5, 0x10
vextrins.d U6, U7, 0x10

vfmadd.d U4, U3, U1, U4
vfmadd.d U6, U3, U14, U6

vextrins.d U5, U4, 0x01
vextrins.d U7, U6, 0x01

fstx.d $f4, Y, T1
fstx.d $f5, Y, T2
fstx.d $f6, Y, T3
fstx.d $f7, Y, T4

slli.d T1, INCY, 2
add.d IY, IY, T1

move T1, IX
add.d T2, T1, INCX
add.d T3, T2, INCX
add.d T4, T3, INCX

fldx.d $f4, X, T1
fldx.d $f5, X, T2
fldx.d $f6, X, T3
fldx.d $f7, X, T4

vextrins.d U4, U5, 0x10
vextrins.d U6, U7, 0x10

vand.v $vr12, $vr2, $vr2

vfmadd.d U2, U1, U4, U2
vfsub.d U2, U2, $vr12
vfmadd.d U2, U14, U6, U2

vextrins.d U4, U2, 0x01

fadd.d $f2, $f2, $f4
fadd.d $f2, $f2, $f12

vextrins.d U2, U2, 0x10

slli.d T2, INCX, 2
add.d IX, IX, T2

addi.d II, II, 32

.L04: /* &2 */
andi T0, J, 2
beq $r0, T0, .L05

mul.d T1, J, LDA
add.d T1, T1, II

vldx $vr1, AO1, T1

move T1, IY
add.d T2, T1, INCY

fldx.d $f6, Y, T1
fldx.d $f7, Y, T2

vextrins.d U6, U7, 0x10
vfmadd.d U6, U3, U1, U6
vextrins.d U7, U6, 0x01

fstx.d $f6, Y, T1
fstx.d $f7, Y, T2

slli.d T1, INCY, 1
add.d IY, IY, T1

move T1, IX
add.d T2, T1, INCX

fldx.d $f6, X, T1
fldx.d $f7, X, T2

vextrins.d U6, U7, 0x10
vand.v U12, U2, U2

vfmadd.d U2, U1, U6, U2
vfsub.d U2, U2, U12

vextrins.d U4, U2, 0x01
fadd.d $f2, $f2, $f4
fadd.d $f2, $f2, $f12

vextrins.d U2, U2, 0x10

slli.d T2, INCX, 1
add.d IX, IX, T2

addi.d II, II, 16

.L05: /* &1 */
andi T0, J, 1
beq $r0, T0, .L06

mul.d T1, J, LDA
add.d T1, T1, II

fldx.d $f4, AO1, T1
fldx.d $f6, Y, IY
fmadd.d $f6, $f3, $f4, $f6
fstx.d $f6, Y, IY
add.d IY, IY, INCY

fldx.d $f6, X, IX
fmadd.d $f2, $f4, $f6, $f2
add.d IX, IX, INCX

addi.d II, II, 8

.L06:
mul.d T1, J, LDA
slli.d T2, J, BASE_SHIFT
add.d T1, T1, T2

fldx.d $f6, Y, JY
fldx.d $f4, AO1, T1
fmadd.d $f6, $f3, $f4, $f6
fmul.d $f7, ALPHA, $f2
fadd.d $f6, $f6, $f7

fstx.d $f6, Y, JY

add.d JX, JX, INCX
add.d JY, JY, INCY

addi.d J, J, 1
blt J, M, .L01

.L999:
LDARG $r23, $sp, 0
LDARG $r24, $sp, 8
LDARG $r25, $sp, 16
LDARG $r26, $sp, 32
LDARG $r27, $sp, 40
LDARG $r28, $sp, 48
LDARG $r29, $sp, 56
LDARG $r30, $sp, 64
LDARG $r31, $sp, 72

addi.d $sp, $sp, 88
jirl $r0, $r1, 0x0

EPILOGUE

+ 429
- 0
kernel/loongarch64/ssymv_L_lsx.S View File

@@ -0,0 +1,429 @@
/*******************************************************************************
Copyright (c) 2024, 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"

/* Param */
#define M $r4
#define N $r5
#define A $r6
#define LDA $r7
#define X $r8
#define INCX $r9
#define Y $r10
#define INCY $r11
#define BUFFER $r16
#define ALPHA $f0

#define JY $r18
#define JX $r31
#define T0 $r19
#define T1 $r20
#define AO3 $r12
#define AO4 $r13
#define I $r14
#define J $r15
#define AO1 $r23
#define AO2 $r24
#define IX $r25
#define IY $r26
#define II $r27
#define T2 $r28
#define T3 $r29
#define T4 $r30

/* LSX vectors */
#define U0 $vr31
#define U1 $vr1
#define U2 $vr2
#define U3 $vr3
#define U4 $vr4
#define U5 $vr5
#define U6 $vr6
#define U7 $vr7
#define U8 $vr8
#define U9 $vr9
#define U10 $vr10
#define U11 $vr11
#define U12 $vr12
#define U13 $vr13
#define U14 $vr14
#define U15 $vr15
#define U16 $vr16
#define VALPHA $vr17

#define a2 $f2
#define a3 $f3
#define a4 $f4
#define a5 $f5
#define a6 $f6
#define a7 $f7
#define a8 $f8
#define a9 $f9


PROLOGUE

LDARG BUFFER, $sp, 0

addi.d $sp, $sp, -88

SDARG $r23, $sp, 0
SDARG $r24, $sp, 8
SDARG $r25, $sp, 16
SDARG $r26, $sp, 32
SDARG $r27, $sp, 40
SDARG $r28, $sp, 48
SDARG $r29, $sp, 56
SDARG $r30, $sp, 64
SDARG $r31, $sp, 72
ST ALPHA, $sp, 80

vldrepl.w VALPHA, $sp, 80

slli.d LDA, LDA, BASE_SHIFT
slli.d INCX, INCX, BASE_SHIFT
slli.d INCY, INCY, BASE_SHIFT

bge $r0, M, .L999
bge $r0, N, .L999

move J, $r0
move JY, $r0
move JX, $r0
move AO1, A

beq J, N, .L999

.L01:
MTC a2, $r0 //temp2
fldx.s a6, X, JX
fmul.s a3, ALPHA, a6 //temp1
vpermi.w U3, U3, 0x00
vpermi.w U2, U2, 0x00

mul.w T0, J, LDA
slli.d T1, J, BASE_SHIFT
add.w T0, T0, T1
fldx.s a6, AO1, T0
fldx.s a4, Y, JY
fmadd.s a4, a3, a6, a4
fstx.s a4, Y, JY

move IY, JY
move IX, JX
addi.d II, J, 1
move I, II
slli.d II, II, BASE_SHIFT

sub.d T0, M, J
addi.d T0, T0, -1
srai.d T0, T0, 3
add.d T0, T0, J
addi.d T0, T0, 1
beq I, T0, .L03
bge I, T0, .L03

mul.w T1, J, LDA
add.d T1, T1, II

.L02: /* /8 */
vldx U1, AO1, T1
addi.d T1, T1, 16
vldx U14, AO1, T1
addi.d T1, T1, 16

add.d T2, IY, INCY
fldx.s $f4, Y, T2
add.d T2, T2, INCY
fldx.s $f5, Y, T2
add.d T2, T2, INCY
fldx.s $f6, Y, T2
add.d T2, T2, INCY
fldx.s $f7, Y, T2

add.d T2, T2, INCY
fldx.s $f8, Y, T2
add.d T2, T2, INCY
fldx.s $f9, Y, T2
add.d T2, T2, INCY
fldx.s $f10, Y, T2
add.d T2, T2, INCY
fldx.s $f11, Y, T2

vextrins.w U4, U5, 0x10
vextrins.w U4, U6, 0x20
vextrins.w U4, U7, 0x30
vextrins.w U8, U9, 0x10
vextrins.w U8, U10, 0x20
vextrins.w U8, U11, 0x30

vfmadd.s U4, U3, U1, U4
vfmadd.s U8, U3, U14, U8

vextrins.w U5, U4, 0x01
vextrins.w U6, U4, 0x02
vextrins.w U7, U4, 0x03
vextrins.w U9, U8, 0x01
vextrins.w U10, U8, 0x02
vextrins.w U11, U8, 0x03

add.d T2, IY, INCY
fstx.s $f4, Y, T2
add.d T2, T2, INCY
fstx.s $f5, Y, T2
add.d T2, T2, INCY
fstx.s $f6, Y, T2
add.d T2, T2, INCY
fstx.s $f7, Y, T2

add.d T2, T2, INCY
fstx.s $f8, Y, T2
add.d T2, T2, INCY
fstx.s $f9, Y, T2
add.d T2, T2, INCY
fstx.s $f10, Y, T2
add.d T2, T2, INCY
fstx.s $f11, Y, T2

slli.d T2, INCY, 3
add.d IY, IY, T2

add.d T2, IX, INCX
fldx.s $f4, X, T2
add.d T2, T2, INCX
fldx.s $f5, X, T2
add.d T2, T2, INCX
fldx.s $f6, X, T2
add.d T2, T2, INCX
fldx.s $f7, X, T2

add.d T2, T2, INCX
fldx.s $f8, X, T2
add.d T2, T2, INCX
fldx.s $f9, X, T2
add.d T2, T2, INCX
fldx.s $f10, X, T2
add.d T2, T2, INCX
fldx.s $f11, X, T2

vextrins.w $vr4, $vr5, 0x10
vextrins.w $vr4, $vr6, 0x20
vextrins.w $vr4, $vr7, 0x30
vextrins.w $vr8, $vr9, 0x10
vextrins.w $vr8, $vr10, 0x20
vextrins.w $vr8, $vr11, 0x30

vand.v $vr12, $vr2, $vr2

vfmadd.s U2, U1, U4, U2
vfsub.s U2, U2, $vr12
vfmadd.s U2, U14, U8, U2

vextrins.w U4, U2, 0x01
vextrins.w U5, U2, 0x02
vextrins.w U6, U2, 0x03

fadd.s $f2, $f2, $f4
fadd.s $f2, $f2, $f5
fadd.s $f2, $f2, $f6
fadd.s $f2, $f2, $f12

vpermi.w U2, U2, 0x00

slli.d T2, INCX, 3
add.d IX, IX, T2

addi.d II, II, 32
addi.d I, I, 1
blt I, T0, .L02

.L03: /* &4 */
sub.d T0, M, J
addi.d T0, T0, -1
andi T0, T0, 4
beq $r0, T0, .L04

mul.w T1, J, LDA
add.d T1, T1, II

vldx U1, AO1, T1

add.d T1, IY, INCY
add.d T2, T1, INCY
add.d T3, T2, INCY
add.d T4, T3, INCY

fldx.s $f4, Y, T1
fldx.s $f5, Y, T2
fldx.s $f6, Y, T3
fldx.s $f7, Y, T4

vextrins.w U4, U5, 0x10
vextrins.w U4, U6, 0x20
vextrins.w U4, U7, 0x30

vfmadd.s U4, U3, U1, U4

vextrins.w U5, U4, 0x01
vextrins.w U6, U4, 0x02
vextrins.w U7, U4, 0x03

fstx.s $f4, Y, T1
fstx.s $f5, Y, T2
fstx.s $f6, Y, T3
fstx.s $f7, Y, T4

slli.d T1, INCY, 2
add.d IY, IY, T1

add.d T1, IX, INCX
add.d T2, T1, INCX
add.d T3, T2, INCX
add.d T4, T3, INCX

fldx.s $f4, X, T1
fldx.s $f5, X, T2
fldx.s $f6, X, T3
fldx.s $f7, X, T4

vextrins.w U4, U5, 0x10
vextrins.w U4, U6, 0x20
vextrins.w U4, U7, 0x30

vand.v $vr12, $vr2, $vr2

vfmadd.s U2, U1, U4, U2
vfsub.s $vr2, $vr2, $vr12

vextrins.w U4, U2, 0x01
vextrins.w U5, U2, 0x02
vextrins.w U6, U2, 0x03

fadd.s $f2, $f2, $f4
fadd.s $f2, $f2, $f5
fadd.s $f2, $f2, $f6
fadd.s $f2, $f2, $f12

vpermi.w U2, U2, 0x00

slli.d T2, INCX, 2
add.d IX, IX, T2

addi.d II, II, 16

.L04: /* &2 */
sub.d T0, M, J
addi.d T0, T0, -1
andi T0, T0, 2
beq $r0, T0, .L05

mul.w T1, J, LDA
add.d T1, T1, II
addi.d T2, T1, 4

fldx.s $f4, AO1, T1
fldx.s $f5, AO1, T2

add.d T1, IY, INCY
add.d T2, T1, INCY

fldx.s $f6, Y, T1
fldx.s $f7, Y, T2

fmadd.s $f6, $f3, $f4, $f6
fmadd.s $f7, $f3, $f5, $f7

fstx.s $f6, Y, T1
fstx.s $f7, Y, T2

slli.d T1, INCY, 1
add.d IY, IY, T1

add.d T1, IX, INCX
add.d T2, T1, INCX

fldx.s $f6, X, T1
fldx.s $f7, X, T2

fmadd.s $f2, $f4, $f6, $f2
fmadd.s $f2, $f5, $f7, $f2

slli.d T2, INCX, 1
add.d IX, IX, T2

addi.d II, II, 8

.L05: /* &1 */
sub.d T0, M, J
addi.d T0, T0, -1
andi T0, T0, 1
beq $r0, T0, .L06

mul.w T1, J, LDA
add.d T1, T1, II

fldx.s $f4, AO1, T1
add.d IY, IY, INCY
fldx.s $f6, Y, IY
fmadd.s $f6, $f3, $f4, $f6
fstx.s $f6, Y, IY

add.d IX, IX, INCX
fldx.s $f6, X, IX
fmadd.s $f2, $f4, $f6, $f2

addi.d II, II, 4

.L06:
fldx.s $f6, Y, JY
fmadd.s $f6, ALPHA, $f2, $f6
fstx.s $f6, Y, JY

add.d JX, JX, INCX
add.d JY, JY, INCY

addi.d J, J, 1
blt J, N, .L01

.L999:
LDARG $r23, $sp, 0
LDARG $r24, $sp, 8
LDARG $r25, $sp, 16
LDARG $r26, $sp, 32
LDARG $r27, $sp, 40
LDARG $r28, $sp, 48
LDARG $r29, $sp, 56
LDARG $r30, $sp, 64
LDARG $r31, $sp, 72

addi.d $sp, $sp, 88
jirl $r0, $r1, 0x0

EPILOGUE

+ 417
- 0
kernel/loongarch64/ssymv_U_lsx.S View File

@@ -0,0 +1,417 @@
/*******************************************************************************
Copyright (c) 2024, 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"

/* Param */
#define M $r4
#define N $r5
#define A $r6
#define LDA $r7
#define X $r8
#define INCX $r9
#define Y $r10
#define INCY $r11
#define BUFFER $r16
#define ALPHA $f0

#define JY $r18
#define JX $r31
#define T0 $r19
#define T1 $r20
#define M1 $r12
#define AO4 $r13
#define I $r14
#define J $r15
#define AO1 $r23
#define AO2 $r24
#define IX $r25
#define IY $r26
#define II $r27
#define T2 $r28
#define T3 $r29
#define T4 $r30

/* LSX vectors */
#define U0 $vr31
#define U1 $vr1
#define U2 $vr2
#define U3 $vr3
#define U4 $vr4
#define U5 $vr5
#define U6 $vr6
#define U7 $vr7
#define U8 $vr8
#define U9 $vr9
#define U10 $vr10
#define U11 $vr11
#define U12 $vr12
#define U13 $vr13
#define U14 $vr14
#define U15 $vr15
#define U16 $vr16
#define VALPHA $vr17

#define a2 $f2
#define a3 $f3
#define a4 $f4
#define a5 $f5
#define a6 $f6
#define a7 $f7
#define a8 $f8
#define a9 $f9


PROLOGUE

LDARG BUFFER, $sp, 0

addi.d $sp, $sp, -88

SDARG $r23, $sp, 0
SDARG $r24, $sp, 8
SDARG $r25, $sp, 16
SDARG $r26, $sp, 32
SDARG $r27, $sp, 40
SDARG $r28, $sp, 48
SDARG $r29, $sp, 56
SDARG $r30, $sp, 64
SDARG $r31, $sp, 72
ST ALPHA, $sp, 80

vldrepl.w VALPHA, $sp, 80

slli.d LDA, LDA, BASE_SHIFT
slli.d INCX, INCX, BASE_SHIFT
slli.d INCY, INCY, BASE_SHIFT

bge $r0, M, .L999
bge $r0, N, .L999

sub.d M1, M, N

mul.d JY, M1, INCY
mul.d JX, M1, INCX

move J, M1
move AO1, A

beq J, M, .L999

.L01:
MTC $f2, $r0 //temp2
fldx.s $f6, X, JX
fmul.s $f3, ALPHA, $f6 //temp1
vpermi.w U3, U3, 0x00
vpermi.w U2, U2, 0x00

move IY, $r0
move IX, $r0
move II, $r0
move I, $r0

srai.d T0, J, 3
beq I, T0, .L03

mul.w T1, J, LDA
add.d T1, T1, II

.L02: /* /8 */
vldx U1, AO1, T1
addi.d T1, T1, 16
vldx U14, AO1, T1
addi.d T1, T1, 16

fldx.s $f4, Y, IY
add.d T2, IY, INCY
fldx.s $f5, Y, T2
add.d T2, T2, INCY
fldx.s $f6, Y, T2
add.d T2, T2, INCY
fldx.s $f7, Y, T2

add.d T2, T2, INCY
fldx.s $f8, Y, T2
add.d T2, T2, INCY
fldx.s $f9, Y, T2
add.d T2, T2, INCY
fldx.s $f10, Y, T2
add.d T2, T2, INCY
fldx.s $f11, Y, T2

vextrins.w U4, U5, 0x10
vextrins.w U4, U6, 0x20
vextrins.w U4, U7, 0x30
vextrins.w U8, U9, 0x10
vextrins.w U8, U10, 0x20
vextrins.w U8, U11, 0x30

vfmadd.s U4, U3, U1, U4
vfmadd.s U8, U3, U14, U8

vextrins.w U5, U4, 0x01
vextrins.w U6, U4, 0x02
vextrins.w U7, U4, 0x03
vextrins.w U9, U8, 0x01
vextrins.w U10, U8, 0x02
vextrins.w U11, U8, 0x03

fstx.s $f4, Y, IY
add.d T2, IY, INCY
fstx.s $f5, Y, T2
add.d T2, T2, INCY
fstx.s $f6, Y, T2
add.d T2, T2, INCY
fstx.s $f7, Y, T2

add.d T2, T2, INCY
fstx.s $f8, Y, T2
add.d T2, T2, INCY
fstx.s $f9, Y, T2
add.d T2, T2, INCY
fstx.s $f10, Y, T2
add.d T2, T2, INCY
fstx.s $f11, Y, T2

slli.d T2, INCY, 3
add.d IY, IY, T2

fldx.s $f4, X, IX
add.d T2, IX, INCX
fldx.s $f5, X, T2
add.d T2, T2, INCX
fldx.s $f6, X, T2
add.d T2, T2, INCX
fldx.s $f7, X, T2

add.d T2, T2, INCX
fldx.s $f8, X, T2
add.d T2, T2, INCX
fldx.s $f9, X, T2
add.d T2, T2, INCX
fldx.s $f10, X, T2
add.d T2, T2, INCX
fldx.s $f11, X, T2

vextrins.w $vr4, $vr5, 0x10
vextrins.w $vr4, $vr6, 0x20
vextrins.w $vr4, $vr7, 0x30
vextrins.w $vr8, $vr9, 0x10
vextrins.w $vr8, $vr10, 0x20
vextrins.w $vr8, $vr11, 0x30

vand.v $vr12, $vr2, $vr2

vfmadd.s U2, U1, U4, U2
vfsub.s U2, U2, $vr12
vfmadd.s U2, U14, U8, U2

vextrins.w U4, U2, 0x01
vextrins.w U5, U2, 0x02
vextrins.w U6, U2, 0x03

fadd.s $f2, $f2, $f4
fadd.s $f2, $f2, $f5
fadd.s $f2, $f2, $f6
fadd.s $f2, $f2, $f12

vpermi.w U2, U2, 0x00

slli.d T2, INCX, 3
add.d IX, IX, T2

addi.d II, II, 32
addi.d I, I, 1
blt I, T0, .L02

.L03: /* &4 */
andi T0, J, 4
beq $r0, T0, .L04

mul.w T1, J, LDA
add.d T1, T1, II

vldx U1, AO1, T1

move T1, IY
add.d T2, T1, INCY
add.d T3, T2, INCY
add.d T4, T3, INCY

fldx.s $f4, Y, T1
fldx.s $f5, Y, T2
fldx.s $f6, Y, T3
fldx.s $f7, Y, T4

vextrins.w U4, U5, 0x10
vextrins.w U4, U6, 0x20
vextrins.w U4, U7, 0x30

vfmadd.s U4, U3, U1, U4

vextrins.w U5, U4, 0x01
vextrins.w U6, U4, 0x02
vextrins.w U7, U4, 0x03

fstx.s $f4, Y, T1
fstx.s $f5, Y, T2
fstx.s $f6, Y, T3
fstx.s $f7, Y, T4

slli.d T1, INCY, 2
add.d IY, IY, T1

move T1, IX
add.d T2, T1, INCX
add.d T3, T2, INCX
add.d T4, T3, INCX

fldx.s $f4, X, T1
fldx.s $f5, X, T2
fldx.s $f6, X, T3
fldx.s $f7, X, T4

vextrins.w U4, U5, 0x10
vextrins.w U4, U6, 0x20
vextrins.w U4, U7, 0x30

vand.v $vr12, $vr2, $vr2

vfmadd.s U2, U1, U4, U2
vfsub.s $vr2, $vr2, $vr12

vextrins.w U4, U2, 0x01
vextrins.w U5, U2, 0x02
vextrins.w U6, U2, 0x03

fadd.s $f2, $f2, $f4
fadd.s $f2, $f2, $f5
fadd.s $f2, $f2, $f6
fadd.s $f2, $f2, $f12

vpermi.w U2, U2, 0x00

slli.d T2, INCX, 2
add.d IX, IX, T2

addi.d II, II, 16

.L04: /* &2 */
andi T0, J, 2
beq $r0, T0, .L05

mul.w T1, J, LDA
add.d T1, T1, II
addi.d T2, T1, 4

fldx.s $f4, AO1, T1
fldx.s $f5, AO1, T2

move T1, IY
add.d T2, T1, INCY

fldx.s $f6, Y, T1
fldx.s $f7, Y, T2

fmadd.s $f6, $f3, $f4, $f6
fmadd.s $f7, $f3, $f5, $f7

fstx.s $f6, Y, T1
fstx.s $f7, Y, T2

slli.d T1, INCY, 1
add.d IY, IY, T1

move T1, IX
add.d T2, T1, INCX

fldx.s $f6, X, T1
fldx.s $f7, X, T2

fmadd.s $f2, $f4, $f6, $f2
fmadd.s $f2, $f5, $f7, $f2

slli.d T2, INCX, 1
add.d IX, IX, T2

addi.d II, II, 8

.L05: /* &1 */
andi T0, J, 1
beq $r0, T0, .L06

mul.w T1, J, LDA
add.d T1, T1, II

fldx.s $f4, AO1, T1
fldx.s $f6, Y, IY
fmadd.s $f6, $f3, $f4, $f6
fstx.s $f6, Y, IY
add.d IY, IY, INCY

fldx.s $f6, X, IX
fmadd.s $f2, $f4, $f6, $f2
add.d IX, IX, INCX

addi.d II, II, 4

.L06:
mul.w T1, J, LDA
slli.d T2, J, BASE_SHIFT
add.d T1, T1, T2

fldx.s $f6, Y, JY
fldx.s $f4, AO1, T1
fmadd.s $f6, $f3, $f4, $f6
fmul.s $f7, ALPHA, $f2
fadd.s $f6, $f6, $f7

fstx.s $f6, Y, JY

add.d JX, JX, INCX
add.d JY, JY, INCY

addi.d J, J, 1
blt J, M, .L01

.L999:
LDARG $r23, $sp, 0
LDARG $r24, $sp, 8
LDARG $r25, $sp, 16
LDARG $r26, $sp, 32
LDARG $r27, $sp, 40
LDARG $r28, $sp, 48
LDARG $r29, $sp, 56
LDARG $r30, $sp, 64
LDARG $r31, $sp, 72

addi.d $sp, $sp, 88
jirl $r0, $r1, 0x0

EPILOGUE

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