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Merge pull request #4218 from XiWeiGu/loongarch64_sgemv 

LoongArch64: Add sgemv kernel
tags/v0.3.25^2
Martin Kroeker GitHub 2 years ago
parent
cd36b8fff7 f2cf929374
commit
6bc079687f
No known key found for this signature in database GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 871 additions and 0 deletions
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  1. +3
    -0
      kernel/loongarch64/KERNEL.LOONGSON3R5
  2. +463
    -0
      kernel/loongarch64/sgemv_n_8_lasx.S
  3. +405
    -0
      kernel/loongarch64/sgemv_t_8_lasx.S

+ 3
- 0
kernel/loongarch64/KERNEL.LOONGSON3R5 View File

@@ -21,6 +21,9 @@ SGEMMINCOPYOBJ = sgemm_incopy$(TSUFFIX).$(SUFFIX)
SGEMMITCOPYOBJ = sgemm_itcopy$(TSUFFIX).$(SUFFIX) SGEMMITCOPYOBJ = sgemm_itcopy$(TSUFFIX).$(SUFFIX)
SGEMMONCOPYOBJ = sgemm_oncopy$(TSUFFIX).$(SUFFIX) SGEMMONCOPYOBJ = sgemm_oncopy$(TSUFFIX).$(SUFFIX)
SGEMMOTCOPYOBJ = sgemm_otcopy$(TSUFFIX).$(SUFFIX) SGEMMOTCOPYOBJ = sgemm_otcopy$(TSUFFIX).$(SUFFIX)

SGEMVNKERNEL = sgemv_n_8_lasx.S
SGEMVTKERNEL = sgemv_t_8_lasx.S
endif endif


DTRSMKERNEL_LN = ../generic/trsm_kernel_LN.c DTRSMKERNEL_LN = ../generic/trsm_kernel_LN.c


+ 463
- 0
kernel/loongarch64/sgemv_n_8_lasx.S View File

@@ -0,0 +1,463 @@
/*******************************************************************************
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"
#include "loongarch64_asm.S"

/*********************************************************************
* 2023/08/30 guxiwei
* UTEST : OK
* CTEST : OK
* TEST : OK
*
*
*********************************************************************/

/* int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT alpha,
* FLOAT *a, BLASLONG lda, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT *buffer)
*/
#define M $r4
#define N $r5
#define ALPHA $f0
#define A $r7
#define LDA $r8
#define X $r9
#define INC_X $r10
#define Y $r11
#define INC_Y $r6

#define J $r12
#define I $r13
#define K $r14
#define Y_ORG $r15
#define OFFSET $r16
#define K_LDA $r17
#define M4 $r18
#define T0 $r19
#define PA0 $r20
#define PA1 $r23
#define PA2 $r24
#define PA3 $r25
#define PA4 $r26
#define PA5 $r27
#define PA6 $r28
#define PA7 $r29

#define VALPHA $xr1
#define X0 $xr2
#define X1 $xr3
#define X2 $xr4
#define X3 $xr5
#define X4 $xr6
#define X5 $xr7
#define X6 $xr8
#define X7 $xr9
#define Y0 $xr10
#define A0 $xr11
#define A1 $xr12
#define A2 $xr13
#define A3 $xr14
#define A4 $xr15
#define A5 $xr16
#define A6 $xr17
#define A7 $xr18

#define X0_F $f2
#define X1_F $f3
#define X2_F $f4
#define X3_F $f5
#define X4_F $f6
#define X5_F $f7
#define X6_F $f8
#define X7_F $f9
#define Y0_F $f10
#define A0_F $f11
#define A1_F $f12
#define A2_F $f13
#define A3_F $f14
#define A4_F $f15
#define A5_F $f16
#define A6_F $f17
#define A7_F $f18

.macro SLOAD_X_8
GLDREPL xv, w, X0, X, 0x00, X1, X, 0x04, X2, X, 0x08, X3, X, 0x0C, \
X4, X, 0x10, X5, X, 0x14, X6, X, 0x18, X7, X, 0x1C
GMUL xvf, s, X0, X0, VALPHA, X1, X1, VALPHA, X2, X2, VALPHA, X3, X3, VALPHA, \
X4, X4, VALPHA, X5, X5, VALPHA, X6, X6, VALPHA, X7, X7, VALPHA
.endm

.macro SLOAD_X_8_GAP
xvldrepl.w X0, X, 0x00
PTR_ADD T0, X, INC_X
xvldrepl.w X1, T0, 0x00
PTR_ADD T0, T0, INC_X
xvldrepl.w X2, T0, 0x00
PTR_ADD T0, T0, INC_X
xvldrepl.w X3, T0, 0x00
PTR_ADD T0, T0, INC_X
xvldrepl.w X4, T0, 0x00
PTR_ADD T0, T0, INC_X
xvldrepl.w X5, T0, 0x00
PTR_ADD T0, T0, INC_X
xvldrepl.w X6, T0, 0x00
PTR_ADD T0, T0, INC_X
xvldrepl.w X7, T0, 0x00
GMUL xvf, s, X0, X0, VALPHA, X1, X1, VALPHA, X2, X2, VALPHA, X3, X3, VALPHA, \
X4, X4, VALPHA, X5, X5, VALPHA, X6, X6, VALPHA, X7, X7, VALPHA
.endm

.macro SLOAD_X_4
GLDREPL xv, w, X0, X, 0x00, X1, X, 0x04, X2, X, 0x08, X3, X, 0x0C
GMUL xvf, s, X0, X0, VALPHA, X1, X1, VALPHA, X2, X2, VALPHA, X3, X3, VALPHA
.endm

.macro SLOAD_X_4_GAP
xvldrepl.w X0, X, 0x00
PTR_ADD T0, X, INC_X
xvldrepl.w X1, T0, 0x00
PTR_ADD T0, T0, INC_X
xvldrepl.w X2, T0, 0x00
PTR_ADD T0, T0, INC_X
xvldrepl.w X3, T0, 0x00
GMUL xvf, s, X0, X0, VALPHA, X1, X1, VALPHA, X2, X2, VALPHA, X3, X3, VALPHA
.endm

.macro SLOAD_X_2
GLDREPL xv, w, X0, X, 0x00, X1, X, 0x04
GMUL xvf, s, X0, X0, VALPHA, X1, X1, VALPHA
.endm

.macro SLOAD_X_2_GAP
xvldrepl.w X0, X, 0x00
PTR_ADD T0, X, INC_X
xvldrepl.w X1, T0, 0x00
GMUL xvf, s, X0, X0, VALPHA, X1, X1, VALPHA
.endm

.macro SLOAD_X_1
GLDREPL xv, w, X0, X, 0x00
GMUL xvf, s, X0, X0, VALPHA
.endm

.macro SLOAD_Y_8
GLD xv, , Y0, Y, 0
.endm

.macro SLOAD_Y_8_GAP
fld.s Y0_F, Y, 0
fldx.s A0_F, Y, INC_Y
PTR_ALSL T0, INC_Y, Y, 1
fld.s A1_F, T0, 0
fldx.s A2_F, T0, INC_Y
PTR_ALSL T0, INC_Y, Y, 2
fld.s A3_F, T0, 0
fldx.s A4_F, T0, INC_Y
PTR_ADD T0, T0, INC_Y
PTR_ADD T0, T0, INC_Y
fld.s A5_F, T0, 0
fldx.s A6_F, T0, INC_Y
GINSVE0 xv, w, Y0, A0, 1, Y0, A1, 2, Y0, A2, 3, Y0, A3, 4, \
Y0, A4, 5, Y0, A5, 6, Y0, A6, 7
.endm

.macro SLOAD_Y_1
GLD f, s, Y0_F, Y, 0
.endm

.macro SGEMV_N_8x8
GLD_INC xv, , 0x20, \
A0, PA0, 0, A1, PA1, 0, \
A2, PA2, 0, A3, PA3, 0, \
A4, PA4, 0, A5, PA5, 0, \
A6, PA6, 0, A7, PA7, 0
GMADD xvf, s, Y0, A0, X0, Y0, Y0, A1, X1, Y0, \
Y0, A2, X2, Y0, Y0, A3, X3, Y0, \
Y0, A4, X4, Y0, Y0, A5, X5, Y0, \
Y0, A6, X6, Y0, Y0, A7, X7, Y0
.endm

.macro SGEMV_N_1x8
GLD_INC f, s, 0x04, \
A0_F, PA0, 0, A1_F, PA1, 0, \
A2_F, PA2, 0, A3_F, PA3, 0, \
A4_F, PA4, 0, A5_F, PA5, 0, \
A6_F, PA6, 0, A7_F, PA7, 0
GMADD f, s, Y0_F, A0_F, X0_F, Y0_F, Y0_F, A1_F, X1_F, Y0_F, \
Y0_F, A2_F, X2_F, Y0_F, Y0_F, A3_F, X3_F, Y0_F, \
Y0_F, A4_F, X4_F, Y0_F, Y0_F, A5_F, X5_F, Y0_F, \
Y0_F, A6_F, X6_F, Y0_F, Y0_F, A7_F, X7_F, Y0_F
.endm

.macro SGEMV_N_8x4
GLD_INC xv, , 0x20, \
A0, PA0, 0, A1, PA1, 0, \
A2, PA2, 0, A3, PA3, 0
GMADD xvf, s, Y0, A0, X0, Y0, Y0, A1, X1, Y0, \
Y0, A2, X2, Y0, Y0, A3, X3, Y0
.endm

.macro SGEMV_N_1x4
GLD_INC f, s, 0x04, \
A0_F, PA0, 0, A1_F, PA1, 0, \
A2_F, PA2, 0, A3_F, PA3, 0
GMADD f, s, Y0_F, A0_F, X0_F, Y0_F, Y0_F, A1_F, X1_F, Y0_F, \
Y0_F, A2_F, X2_F, Y0_F, Y0_F, A3_F, X3_F, Y0_F
.endm

.macro SGEMV_N_8x2
GLD_INC xv, , 0x20, \
A0, PA0, 0, A1, PA1, 0
GMADD xvf, s, Y0, A0, X0, Y0, Y0, A1, X1, Y0
.endm

.macro SGEMV_N_1x2
GLD_INC f, s, 0x04, \
A0_F, PA0, 0, A1_F, PA1, 0
GMADD f, s, Y0_F, A0_F, X0_F, Y0_F, Y0_F, A1_F, X1_F, Y0_F
.endm

.macro SGEMV_N_1x1
GLD_INC f, s, 0x04, A0_F, PA0, 0
GMADD f, s, Y0_F, A0_F, X0_F, Y0_F
.endm

.macro SSTORE_Y_8
GST xv, , Y0, Y, 0
.endm

.macro SSTORE_Y_8_GAP
xvstelm.w Y0, Y, 0, 0
PTR_ADD T0, Y, INC_Y
xvstelm.w Y0, T0, 0, 1
PTR_ADD T0, T0, INC_Y
xvstelm.w Y0, T0, 0, 2
PTR_ADD T0, T0, INC_Y
xvstelm.w Y0, T0, 0, 3

PTR_ADD T0, T0, INC_Y
xvstelm.w Y0, T0, 0, 4
PTR_ADD T0, T0, INC_Y
xvstelm.w Y0, T0, 0, 5
PTR_ADD T0, T0, INC_Y
xvstelm.w Y0, T0, 0, 6
PTR_ADD T0, T0, INC_Y
xvstelm.w Y0, T0, 0, 7
.endm

.macro SSTORE_Y_1
GST f, s, Y0_F, Y, 0
.endm

.macro SGEMV_N XW:req, X_8:req, X_4:req, X_2:req, X_1:req, Y_8:req, Y_4:req, Y_1:req
PTR_SRLI J, N, 3
beqz J, .L_\XW\()_N_7
PTR_SLLI K_LDA, LDA, 3
PTR_SUB K_LDA, K_LDA, M4
.L_\XW\()_N_L8:
SLOAD_\X_8
xor K, K, K
move Y, Y_ORG
PTR_SRLI I, M, 3
beqz I, .L_\XW\()_M_7
.align 5
.L_\XW\()_M_L8:
SLOAD_\Y_8
SGEMV_N_8x8
SSTORE_\Y_8
PTR_ADDI I, I, -1
PTR_ALSL Y, INC_Y, Y, 3
PTR_ADDI K, K, 8
bnez I, .L_\XW\()_M_L8
.L_\XW\()_M_7:
andi I, M, 7
beqz I, .L_\XW\()_M_END
.align 5
.L_\XW\()_M_L1:
SLOAD_\Y_1
SGEMV_N_1x8
SSTORE_\Y_1
PTR_ADDI I, I, -1
PTR_ADD Y, Y, INC_Y
PTR_ADDI K, K, 1
bnez I, .L_\XW\()_M_L1
.L_\XW\()_M_END:
PTR_ADDI J, J, -1
#if __loongarch_grlen == 64
GADD , d, PA0, PA0, K_LDA, PA1, PA1, K_LDA, PA2, PA2, K_LDA, PA3, PA3, K_LDA, \
PA4, PA4, K_LDA, PA5, PA5, K_LDA, PA6, PA6, K_LDA, PA7, PA7, K_LDA
#elif __loongarch_grlen == 32
GADD , w, PA0, PA0, K_LDA, PA1, PA1, K_LDA, PA2, PA2, K_LDA, PA3, PA3, K_LDA, \
PA4, PA4, K_LDA, PA5, PA5, K_LDA, PA6, PA6, K_LDA, PA7, PA7, K_LDA
#else
GADD , d, PA0, PA0, K_LDA, PA1, PA1, K_LDA, PA2, PA2, K_LDA, PA3, PA3, K_LDA, \
PA4, PA4, K_LDA, PA5, PA5, K_LDA, PA6, PA6, K_LDA, PA7, PA7, K_LDA
#endif
PTR_ALSL X, INC_X, X, 3
bnez J, .L_\XW\()_N_L8
.L_\XW\()_N_7:
andi J, N, 4
beqz J, .L_\XW\()_N_3
SLOAD_\X_4
xor K, K, K
move Y, Y_ORG

PTR_SRLI I, M, 3
beqz I, .L_\XW\()_N_4_M_7
.align 5
.L_\XW\()_N_4_M_L8:
SLOAD_\Y_8
SGEMV_N_8x4
SSTORE_\Y_8
PTR_ADDI I, I, -1
PTR_ADDI K, K, 8
PTR_ALSL Y, INC_Y, Y, 3
bnez I, .L_\XW\()_N_4_M_L8
.L_\XW\()_N_4_M_7:
andi I, M, 7
beqz I, .L_\XW\()_N_4_M_END
.align 5
.L_\XW\()_N_4_M_L1:
SLOAD_\Y_1
SGEMV_N_1x4
SSTORE_\Y_1
PTR_ADDI I, I, -1
PTR_ADD Y, Y, INC_Y
PTR_ADDI K, K, 1
bnez I, .L_\XW\()_N_4_M_L1
.L_\XW\()_N_4_M_END:
PTR_SLLI K_LDA, LDA, 2
PTR_SUB K_LDA, K_LDA, M4
#if __loongarch_grlen == 64
GADD , d, PA0, PA0, K_LDA, PA1, PA1, K_LDA, PA2, PA2, K_LDA, PA3, PA3, K_LDA
#elif __loongarch_grlen == 32
GADD , w PA0, PA0, K_LDA, PA1, PA1, K_LDA, PA2, PA2, K_LDA, PA3, PA3, K_LDA
#else
GADD , d, PA0, PA0, K_LDA, PA1, PA1, K_LDA, PA2, PA2, K_LDA, PA3, PA3, K_LDA
#endif
PTR_ALSL X, INC_X, X, 2
.L_\XW\()_N_3:
andi J, N, 2
beqz J, .L_\XW\()_N_1
SLOAD_\X_2
xor K, K, K
move Y, Y_ORG
PTR_SRLI I, M, 3
beqz I, .L_\XW\()_N_2_M_7
.align 5
.L_\XW\()_N_2_M_L8:
SLOAD_\Y_8
SGEMV_N_8x2
SSTORE_\Y_8
PTR_ADDI I, I, -1
PTR_ADDI K, K, 8
PTR_ALSL Y, INC_Y, Y, 3
bnez I, .L_\XW\()_N_2_M_L8
.L_\XW\()_N_2_M_7:
andi I, M, 7
beqz I, .L_\XW\()_N_2_M_END
.align 5
.L_\XW\()_N_2_M_L1:
SLOAD_\Y_1
SGEMV_N_1x2
SSTORE_\Y_1
PTR_ADDI I, I, -1
PTR_ADD Y, Y, INC_Y
PTR_ADDI K, K, 1
bnez I, .L_\XW\()_N_2_M_L1
.L_\XW\()_N_2_M_END:
PTR_SLLI K_LDA, LDA, 1
PTR_SUB K_LDA, K_LDA, M4
PTR_ADD PA0, PA0, K_LDA
PTR_ADD PA1, PA1, K_LDA
PTR_ALSL X, INC_X, X, 1
.L_\XW\()_N_1:
andi J, N, 1
beqz J, .L_END
SLOAD_\X_1
xor K, K, K
move Y, Y_ORG
move I, M
beqz I, .L_END
.align 5
.L_\XW\()_N_1_M_L1:
SLOAD_\Y_1
SGEMV_N_1x1
SSTORE_\Y_1
PTR_ADDI I, I, -1
PTR_ADD Y, Y, INC_Y
PTR_ADDI K, K, 1
bnez I, .L_\XW\()_N_1_M_L1
b .L_END
.endm

PROLOGUE
PTR_LD INC_Y, $sp, 0
push_if_used 17 + 7, 19
PTR_ADDI K, $r0, 0x01
PTR_SUB I, INC_X, K
PTR_SUB J, INC_Y, K
maskeqz I, K, I /* if(inc_x == 1) I = 0; else I = 1; */
maskeqz J, K, J /* if(inc_y == 1) j = 0; else j = 1; */
PTR_ALSL I, I, J, 1
GSLLI , d, LDA, LDA, 2, INC_X, INC_X, 2, INC_Y, INC_Y, 2, M4, M, 2
xvreplve0.w VALPHA, $xr0
move Y_ORG, Y
move PA0, A
#if __loongarch_grlen == 64
GADD , d, PA1, PA0, LDA, PA2, PA1, LDA, PA3, PA2, LDA, PA4, PA3, LDA, \
PA5, PA4, LDA, PA6, PA5, LDA, PA7, PA6, LDA
#elif __loongarch_grlen == 32
GADD , w, PA1, PA0, LDA, PA2, PA1, LDA, PA3, PA2, LDA, PA4, PA3, LDA, \
PA5, PA4, LDA, PA6, PA5, LDA, PA7, PA6, LDA
#else
GADD , d, PA1, PA0, LDA, PA2, PA1, LDA, PA3, PA2, LDA, PA4, PA3, LDA, \
PA5, PA4, LDA, PA6, PA5, LDA, PA7, PA6, LDA
#endif
la.local T0, .L_GAP_TABLE
PTR_ALSL I, I, T0, 1
ld.h K, I, 0
PTR_ADD T0, T0, K
jirl $r0, T0, 0
.L_GAP_TABLE:
.hword .L_GAP_0_0 - .L_GAP_TABLE
.hword .L_GAP_0_1 - .L_GAP_TABLE
.hword .L_GAP_1_0 - .L_GAP_TABLE
.hword .L_GAP_1_1 - .L_GAP_TABLE
.L_GAP_0_0: /* if (inc_x == 1) && (incy == 1) */
SGEMV_N GAP_0_0, X_8, X_4, X_2, X_1, Y_8, Y_4, Y_1
.L_GAP_0_1: /* if (inc_x == 1) && (incy != 1) */
SGEMV_N GAP_0_1, X_8, X_4, X_2, X_1, Y_8_GAP, Y_4_GAP, Y_1
.L_GAP_1_0: /* if (inc_x != 1) && (incy == 1) */
SGEMV_N GAP_1_0, X_8_GAP, X_4_GAP, X_2_GAP, X_1, Y_8, Y_4, Y_1
.L_GAP_1_1: /* if (inc_x != 1) && (incy != 1) */
SGEMV_N GAP_1_1, X_8_GAP, X_4_GAP, X_2_GAP, X_1, Y_8_GAP, Y_4_GAP, Y_1
.L_END:
pop_if_used 17 + 7, 19
jirl $r0, $r1, 0x0
EPILOGUE

+ 405
- 0
kernel/loongarch64/sgemv_t_8_lasx.S View File

@@ -0,0 +1,405 @@
/*******************************************************************************
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"
#include "loongarch64_asm.S"

/*********************************************************************
* 2023/08/30 guxiwei
* UTEST : OK
* CTEST : OK
* TEST : OK
*
*
*********************************************************************/

/* int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT alpha,
* FLOAT *a, BLASLONG lda, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT *buffer)
*/
#define M $r4
#define N $r5
#define ALPHA $f0
#define A $r7
#define LDA $r8
#define X $r9
#define INC_X $r10
#define Y $r11
#define INC_Y $r6

#define J $r12
#define I $r13
#define K $r14
#define PY0 $r14
#define X_ORG $r15
#define PY1 $r16
#define K_LDA $r17
#define PY2 $r18
#define T0 $r19
#define PA0 $r20
#define PA1 $r23
#define PA2 $r24
#define PA3 $r25
#define PA4 $r26
#define PA5 $r27
#define PA6 $r28
#define PA7 $r29
#define M4 $r30

#define VALPHA $xr0
#define X0 $xr1
#define A0 $xr2
#define A1 $xr3
#define A2 $xr4
#define A3 $xr5
#define A4 $xr6
#define A5 $xr7
#define A6 $xr8
#define A7 $xr9
#define TP0 $xr10
#define TP1 $xr11
#define TP2 $xr12
#define TP3 $xr13
#define TP4 $xr14
#define TP5 $xr15
#define TP6 $xr16
#define TP7 $xr17
#define Y0 $xr2
#define Y1 $xr3
#define Y2 $xr4
#define Y3 $xr5
#define Y4 $xr6
#define Y5 $xr7
#define Y6 $xr8
#define Y7 $xr9

.macro ZERO_Y8
GXOR xv, v, TP0, TP0, TP0, TP1, TP1, TP1, TP2, TP2, TP2, TP3, TP3, TP3, \
TP4, TP4, TP4, TP5, TP5, TP5, TP6, TP6, TP6, TP7, TP7, TP7
.endm

.macro ZERO_Y4
GXOR xv, v, TP0, TP0, TP0, TP1, TP1, TP1, TP2, TP2, TP2, TP3, TP3, TP3
.endm

.macro ZERO_Y2
GXOR xv, v, TP0, TP0, TP0, TP1, TP1, TP1
.endm

.macro ZERO_Y1
GXOR xv, v, TP0, TP0, TP0
.endm

.macro SLOAD_X8
GLD xv, , X0, X, 0x00
.endm

.macro SLOAD_X8_GAP
fld.s $f1, X, 0x00
fldx.s $f2, X, INC_X
PTR_ALSL T0, INC_X, X, 1
fld.s $f3, T0, 0x00
fldx.s $f4, T0, INC_X
GINSVE0 xv, w, X0, A0, 1, X0, A1, 2, X0, A2, 3
PTR_ALSL T0, INC_X, X, 2
fld.s $f2, T0, 0x00
fldx.s $f3, T0, INC_X
PTR_ALSL T0, INC_X, T0, 1
fld.s $f4, T0, 0x00
fldx.s $f5, T0, INC_X
GINSVE0 xv, w, X0, A0, 4, X0, A1, 5, X0, A2, 6, X0, A3, 7
.endm

.macro SGEMV_T_8x8
GLD_INC xv, , 0x20, \
A0, PA0, 0, A1, PA1, 0, \
A2, PA2, 0, A3, PA3, 0, \
A4, PA4, 0, A5, PA5, 0, \
A6, PA6, 0, A7, PA7, 0
GMADD xvf, s, TP0, A0, X0, TP0, TP1, A1, X0, TP1, \
TP2, A2, X0, TP2, TP3, A3, X0, TP3, \
TP4, A4, X0, TP4, TP5, A5, X0, TP5, \
TP6, A6, X0, TP6, TP7, A7, X0, TP7
.endm

.macro SGEMV_T_4x8
GLD_INC xv, , 0x20, \
A0, PA0, 0, A1, PA1, 0, \
A2, PA2, 0, A3, PA3, 0
GMADD xvf, s, TP0, A0, X0, TP0, TP1, A1, X0, TP1, \
TP2, A2, X0, TP2, TP3, A3, X0, TP3
.endm

.macro SGEMV_T_2x8
GLD_INC xv, , 0x20, \
A0, PA0, 0, A1, PA1, 0
GMADD xvf, s, TP0, A0, X0, TP0, TP1, A1, X0, TP1
.endm

.macro SGEMV_T XW:req X8:req, X4:req
PTR_SRLI J, N, 3
beqz J, .L_\XW\()_N_7
PTR_SLLI K_LDA, LDA, 3
PTR_SUB K_LDA, K_LDA, M4
.L_\XW\()_N_L8:
ZERO_Y8
move X, X_ORG
PTR_SRLI I, M, 3
beqz I, .L_\XW\()_M_7
.align 5
.L_\XW\()_M_L8:
SLOAD_\X8
SGEMV_T_8x8
PTR_ADDI I, I, -1
PTR_ALSL X, INC_X, X, 3
bnez I, .L_\XW\()_M_L8
.L_\XW\()_M_7:
// Accumulated
GACC xvf, s, Y0, TP0, Y1, TP1, Y2, TP2, Y3, TP3, Y4, TP4, \
Y5, TP5, Y6, TP6, Y7, TP7
andi I, M, 7
beqz I, .L_\XW\()_M_END
.align 5
.L_\XW\()_M_L1:
fld.s $f1, X, 0x00
fld.s $f10, PA0, 0x00
fld.s $f11, PA1, 0x00
fld.s $f12, PA2, 0x00
fld.s $f13, PA3, 0x00
fld.s $f14, PA4, 0x00
fld.s $f15, PA5, 0x00
fld.s $f16, PA6, 0x00
fld.s $f17, PA7, 0x00
#if __loongarch_grlen == 64
GADDI , d, PA0, PA0, 0x04, PA1, PA1, 0x04, PA2, PA2, 0x04, PA3, PA3, 0x04, \
PA4, PA4, 0x04, PA5, PA5, 0x04, PA6, PA6, 0x04, PA7, PA7, 0x04
#elif __loongarch_grlen == 32
GADDI , w, PA0, PA0, 0x04, PA1, PA1, 0x04, PA2, PA2, 0x04, PA3, PA3, 0x04, \
PA4, PA4, 0x04, PA5, PA5, 0x04, PA6, PA6, 0x04, PA7, PA7, 0x04
#else
GADDI , d, PA0, PA0, 0x04, PA1, PA1, 0x04, PA2, PA2, 0x04, PA3, PA3, 0x04, \
PA4, PA4, 0x04, PA5, PA5, 0x04, PA6, PA6, 0x04, PA7, PA7, 0x04
#endif
GMADD f, s, $f2, $f10, $f1, $f2, $f3, $f11, $f1, $f3, $f4, $f12, $f1, $f4, $f5, $f13, $f1, $f5, \
$f6, $f14, $f1, $f6, $f7, $f15, $f1, $f7, $f8, $f16, $f1, $f8, $f9, $f17, $f1, $f9,
PTR_ADDI I, I, -1
PTR_ADD X, X, INC_X
bnez I, .L_\XW\()_M_L1
.L_\XW\()_M_END:
fld.s $f10, Y, 0x00
fldx.s $f11, Y, INC_Y
PTR_ALSL PY0, INC_Y, Y, 1
fld.s $f12, PY0, 0x00
fldx.s $f13, PY0, INC_Y
PTR_ALSL PY1, INC_Y, Y, 2
fld.s $f14, PY1, 0x00
fldx.s $f15, PY1, INC_Y
PTR_ALSL PY2, INC_Y, PY1, 1
fld.s $f16, PY2, 0x00
fldx.s $f17, PY2, INC_Y

GMADD f, s, $f10, ALPHA, $f2, $f10, $f11, ALPHA, $f3, $f11, $f12, ALPHA, $f4, $f12, $f13, ALPHA, $f5, $f13, \
$f14, ALPHA, $f6, $f14, $f15, ALPHA, $f7, $f15, $f16, ALPHA, $f8, $f16, $f17, ALPHA, $f9, $f17

PTR_ADDI J, J, -1
#if __loongarch_grlen == 64
GADD , d, PA0, PA0, K_LDA, PA1, PA1, K_LDA, PA2, PA2, K_LDA, PA3, PA3, K_LDA, \
PA4, PA4, K_LDA, PA5, PA5, K_LDA, PA6, PA6, K_LDA, PA7, PA7, K_LDA
#elif __loongarch_grlen == 32
GADD , w, PA0, PA0, K_LDA, PA1, PA1, K_LDA, PA2, PA2, K_LDA, PA3, PA3, K_LDA, \
PA4, PA4, K_LDA, PA5, PA5, K_LDA, PA6, PA6, K_LDA, PA7, PA7, K_LDA
#else
GADD , d, PA0, PA0, K_LDA, PA1, PA1, K_LDA, PA2, PA2, K_LDA, PA3, PA3, K_LDA, \
PA4, PA4, K_LDA, PA5, PA5, K_LDA, PA6, PA6, K_LDA, PA7, PA7, K_LDA
#endif
fst.s $f10, Y, 0x00
fstx.s $f11, Y, INC_Y
fst.s $f12, PY0, 0x00
fstx.s $f13, PY0, INC_Y
fst.s $f14, PY1, 0x00
fstx.s $f15, PY1, INC_Y
fst.s $f16, PY2, 0x00
fstx.s $f17, PY2, INC_Y

PTR_ALSL Y, INC_Y, Y, 3
bnez J, .L_\XW\()_N_L8
.L_\XW\()_N_7:
andi J, N, 4
beqz J, .L_\XW\()_N_3
ZERO_Y4
move X, X_ORG
PTR_SRLI I, M, 3
beqz I, .L_\XW\()_N_4_M_7
.align 5
.L_\XW\()_N_4_M_L8:
SLOAD_\X8
SGEMV_T_4x8
PTR_ADDI I, I, -1
PTR_ALSL X, INC_X, X, 3
bnez I, .L_\XW\()_N_4_M_L8
.L_\XW\()_N_4_M_7:
// Accumulated
GACC xvf, s, Y0, TP0, Y1, TP1, Y2, TP2, Y3, TP3
andi I, M, 7
beqz I, .L_\XW\()_N_4_M_END
.align 5
.L_\XW\()_N_4_M_L1:
fld.s $f1, X, 0x00
GLD_INC f, s, 0x04, $f10, PA0, 0x00, $f11, PA1, 0x00, $f12, PA2, 0x00, $f13, PA3, 0x00
GMADD f, s, $f2, $f10, $f1, $f2, $f3, $f11, $f1, $f3, $f4, $f12, $f1, $f4, $f5, $f13, $f1, $f5
PTR_ADDI I, I, -1
PTR_ADD X, X, INC_X
bnez I, .L_\XW\()_N_4_M_L1
.L_\XW\()_N_4_M_END:
fld.s $f10, Y, 0x00
fldx.s $f11, Y, INC_Y
PTR_ALSL PY0, INC_Y, Y, 1
fld.s $f12, PY0, 0x00
fldx.s $f13, PY0, INC_Y

GMADD f, s, $f10, ALPHA, $f2, $f10, $f11, ALPHA, $f3, $f11, $f12, ALPHA, $f4, $f12, $f13, ALPHA, $f5, $f13

PTR_SLLI K_LDA, LDA, 2
PTR_SUB K_LDA, K_LDA, M4

#if __loongarch_grlen == 64
GADD , d, PA0, PA0, K_LDA, PA1, PA1, K_LDA, PA2, PA2, K_LDA, PA3, PA3, K_LDA
#elif __loongarch_grlen == 32
GADD , w, PA0, PA0, K_LDA, PA1, PA1, K_LDA, PA2, PA2, K_LDA, PA3, PA3, K_LDA
#else
GADD , d, PA0, PA0, K_LDA, PA1, PA1, K_LDA, PA2, PA2, K_LDA, PA3, PA3, K_LDA
#endif
fst.s $f10, Y, 0x00
fstx.s $f11, Y, INC_Y
fst.s $f12, PY0, 0x00
fstx.s $f13, PY0, INC_Y
PTR_ALSL Y, INC_Y, Y, 2
.L_\XW\()_N_3:
andi J, N, 2
beqz J, .L_\XW\()_N_1
ZERO_Y2
move X, X_ORG
PTR_SRLI I, M, 3
beqz I, .L_\XW\()_N_2_M_7
.align 5
.L_\XW\()_N_2_M_L8:
SLOAD_\X8
SGEMV_T_2x8
PTR_ADDI I, I, -1
PTR_ALSL X, INC_X, X, 3
bnez I, .L_\XW\()_N_2_M_L8
.L_\XW\()_N_2_M_7:
// Accumulated
GACC xvf, s, Y0, TP0, Y1, TP1
andi I, M, 7
beqz I, .L_\XW\()_N_2_M_END
.align 5
.L_\XW\()_N_2_M_L1:
fld.s $f1, X, 0x00
GLD_INC f, s, 0x04, $f10, PA0, 0x00, $f11, PA1, 0x00
GMADD f, s, $f2, $f10, $f1, $f2, $f3, $f11, $f1, $f3
PTR_ADDI I, I, -1
PTR_ADD X, X, INC_X
bnez I, .L_\XW\()_N_2_M_L1
.L_\XW\()_N_2_M_END:
fld.s $f10, Y, 0x00
fldx.s $f11, Y, INC_Y

GMADD f, s, $f10, ALPHA, $f2, $f10, $f11, ALPHA, $f3, $f11

PTR_SLLI K_LDA, LDA, 1
PTR_SUB K_LDA, K_LDA, M4

#if __loongarch_grlen == 64
GADD , d, PA0, PA0, K_LDA, PA1, PA1, K_LDA
#elif __loongarch_grlen == 32
GADD , w, PA0, PA0, K_LDA, PA1, PA1, K_LDA
#else
GADD , d, PA0, PA0, K_LDA, PA1, PA1, K_LDA
#endif
fst.s $f10, Y, 0x00
fstx.s $f11, Y, INC_Y
PTR_ALSL Y, INC_Y, Y, 1
.L_\XW\()_N_1:
andi J, N, 1
beqz J, .L_END
ZERO_Y1
move X, X_ORG
move I, M
beqz I, .L_END
.align 5
.L_\XW\()_N_1_M_L1:
fld.s $f2, PA0, 0x00
fld.s $f1, X, 0x00
fmadd.s $f10, $f2, $f1, $f10
PTR_ADDI I, I, -1
PTR_ADD X, X, INC_X
PTR_ADDI PA0, PA0, 0x04
bnez I, .L_\XW\()_N_1_M_L1

fld.s $f2, Y, 0x00
fmadd.s $f2, ALPHA, $f10, $f2
fst.s $f2, Y, 0x00
b .L_END
.endm

PROLOGUE
PTR_LD INC_Y, $sp, 0
push_if_used 17 + 8, 18
PTR_ADDI K, $r0, 0x01
PTR_SUB I, INC_X, K
maskeqz I, K, I /* if(inc_x == 1) I = 0; else I = 1; */
GSLLI , d, LDA, LDA, 2, INC_X, INC_X, 2, INC_Y, INC_Y, 2, M4, M, 2
xvreplve0.w VALPHA, $xr0
move X_ORG, X
move PA0, A
#if __loongarch_grlen == 64
GADD , d, PA1, PA0, LDA, PA2, PA1, LDA, PA3, PA2, LDA, PA4, PA3, LDA, \
PA5, PA4, LDA, PA6, PA5, LDA, PA7, PA6, LDA
#elif __loongarch_grlen == 32
GADD , w, PA1, PA0, LDA, PA2, PA1, LDA, PA3, PA2, LDA, PA4, PA3, LDA, \
PA5, PA4, LDA, PA6, PA5, LDA, PA7, PA6, LDA
#else
GADD , d, PA1, PA0, LDA, PA2, PA1, LDA, PA3, PA2, LDA, PA4, PA3, LDA, \
PA5, PA4, LDA, PA6, PA5, LDA, PA7, PA6, LDA
#endif
la.local T0, .L_GAP_TABLE
PTR_ALSL I, I, T0, 1
ld.h K, I, 0
PTR_ADD T0, T0, K
jirl $r0, T0, 0
.L_GAP_TABLE:
.hword .L_GAP_0 - .L_GAP_TABLE
.hword .L_GAP_1 - .L_GAP_TABLE
.L_GAP_0: /* if (incx == 1) */
SGEMV_T GAP_0, X8, X4
.L_GAP_1: /* if (incx != 1) */
SGEMV_T GAP_1, X8_GAP, X4_GAP
.L_END:
pop_if_used 17 + 8, 18
jirl $r0, $r1, 0x0
EPILOGUE

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