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OpenBLAS/kernel/arm64/strmm_kernel_4x4.S

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/*******************************************************************************
Copyright (c) 2015, 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"
/* X0 X1 X2 s0 X3 x4 x5 x6 x7 */
/*int CNAME(BLASLONG bm,BLASLONG bn,BLASLONG bk,FLOAT alpha,FLOAT* ba,FLOAT* bb,FLOAT* C,BLASLONG ldc, BLASLONG offset) */
#define origM x0
#define origN x1
#define origK x2
#define origPA x3
#define origPB x4
#define pC x5
#define LDC x6
#define offset x7
#define counterL x8
#define counterI x9
#define counterJ x10
#define pB x11
#define pCRow0 x12
#define pCRow1 x13
#define pCRow2 x14
#define pA x15
#define temp x16
#define tempOffset x17
#define tempK x18
#define alpha0 s10
#define alphaV0 v10.s[0]
#define alpha1 s11
#define alphaV1 v11.s[0]
#define alpha2 s14
#define alphaV2 v14.s[0]
#define alpha3 s15
#define alphaV3 v15.s[0]
// 00 origM
// 01 origN
// 02 origK
// 03 origPA
// 04 origPB
// 05 pC
// 06 origLDC -> LDC
// 07 offset
// 08 counterL
// 09 counterI
// 10 counterJ
// 11 pB
// 12 pCRow0
// 13 pCRow1
// 14 pCRow2
// 15 pA
// 16 temp
// 17 tempOffset
// 18 must save tempK
// 19 must save
// 20 must save
// 21 must save
// 22 must save
// 23 must save
// 24 must save
// 25 must save
// 26 must save
// 27 must save
// 28 must save
// 29 frame
// 30 link
// 31 sp
//v00 ALPHA -> pA00, pA01
//v01 pA02, pA03
//v02
//v03
//v04 pA10, pA11
//v05 pA12, pA13
//v06
//v07
//v08 must save pB00, pB01
//v09 must save pB02, pB03
//v10 must save ALPHA0
//v11 must save ALPHA1
//v12 must save pB10, pB11
//v13 must save pB12, pB13
//v14 must save ALPHA2
//v15 must save ALPHA3
//v16 must save C00, C01
//v17 must save C02, C03
//v18
//v19
//v20 C10, C11
//v21 C12, C13
//v22
//v23
//v24 C20, C21
//v25 C22, C23
//v26
//v27
//v28 C30, C31
//v29 C32, C33
//v30
//v31
/*******************************************************************************
* Macro definitions
*******************************************************************************/
.macro INIT4x4
fmov s16, wzr
fmov s17, s16
fmov s20, s17
fmov s21, s16
fmov s24, s17
fmov s25, s16
fmov s28, s17
fmov s29, s16
.endm
.macro KERNEL4x4_I
ld1 {v8.2s, v9.2s}, [pB]
add pB, pB, #16
ld1 {v0.2s, v1.2s}, [pA]
add pA, pA, #16
fmul v16.2s, v0.2s, v8.s[0]
fmul v29.2s, v1.2s, v9.s[1]
fmul v20.2s, v0.2s, v8.s[1]
fmul v25.2s, v1.2s, v9.s[0]
fmul v24.2s, v0.2s, v9.s[0]
fmul v21.2s, v1.2s, v8.s[1]
fmul v28.2s, v0.2s, v9.s[1]
fmul v17.2s, v1.2s, v8.s[0]
ld1 {v12.2s, v13.2s}, [pB]
add pB, pB, #16
ld1 {v4.2s, v5.2s}, [pA]
add pA, pA, #16
.endm
.macro KERNEL4x4_M1
fmla v16.2s, v0.2s, v8.s[0]
fmla v29.2s, v1.2s, v9.s[1]
ld1 {v12.2s, v13.2s}, [pB] // For next round
add pB, pB, #16
fmla v20.2s, v0.2s, v8.s[1]
fmla v25.2s, v1.2s, v9.s[0]
ld1 {v4.2s, v5.2s}, [pA] // For next round
add pA, pA, #16
fmla v24.2s, v0.2s, v9.s[0]
fmla v21.2s, v1.2s, v8.s[1]
prfm PLDL1KEEP, [pB, #512]
fmla v28.2s, v0.2s, v9.s[1]
fmla v17.2s, v1.2s, v8.s[0]
.endm
.macro KERNEL4x4_M2
fmla v16.2s, v4.2s, v12.s[0]
fmla v29.2s, v5.2s, v13.s[1]
ld1 {v8.2s, v9.2s}, [pB] // For next round
add pB, pB, #16
fmla v20.2s, v4.2s, v12.s[1]
fmla v25.2s, v5.2s, v13.s[0]
ld1 {v0.2s, v1.2s}, [pA] // For next round
add pA, pA, #16
fmla v24.2s, v4.2s, v13.s[0]
fmla v21.2s, v5.2s, v12.s[1]
prfm PLDL1KEEP, [pA, #512]
fmla v28.2s, v4.2s, v13.s[1]
fmla v17.2s, v5.2s, v12.s[0]
.endm
.macro KERNEL4x4_E
fmla v16.2s, v4.2s, v12.s[0]
fmla v29.2s, v5.2s, v13.s[1]
fmla v20.2s, v4.2s, v12.s[1]
fmla v25.2s, v5.2s, v13.s[0]
fmla v24.2s, v4.2s, v13.s[0]
fmla v21.2s, v5.2s, v12.s[1]
fmla v28.2s, v4.2s, v13.s[1]
fmla v17.2s, v5.2s, v12.s[0]
.endm
.macro KERNEL4x4_SUB
ld1 {v8.2s, v9.2s}, [pB]
add pB, pB, #16
ld1 {v0.2s, v1.2s}, [pA]
add pA, pA, #16
fmla v16.2s, v0.2s, v8.s[0]
fmla v29.2s, v1.2s, v9.s[1]
fmla v20.2s, v0.2s, v8.s[1]
fmla v25.2s, v1.2s, v9.s[0]
fmla v24.2s, v0.2s, v9.s[0]
fmla v21.2s, v1.2s, v8.s[1]
fmla v28.2s, v0.2s, v9.s[1]
fmla v17.2s, v1.2s, v8.s[0]
.endm
.macro SAVE4x4
fmul v8.2s, v16.2s, alphaV0
fmul v9.2s, v17.2s, alphaV1
st1 {v8.2s, v9.2s}, [pCRow0]
add pCRow1, pCRow0, LDC
fmul v12.2s, v20.2s, alphaV2
fmul v13.2s, v21.2s, alphaV3
st1 {v12.2s, v13.2s}, [pCRow1]
add pCRow2, pCRow1, LDC
fmul v8.2s, v24.2s, alphaV0
fmul v9.2s, v25.2s, alphaV1
st1 {v8.2s, v9.2s}, [pCRow2]
add pCRow1, pCRow2, LDC
fmul v12.2s, v28.2s, alphaV2
fmul v13.2s, v29.2s, alphaV3
st1 {v12.2s, v13.2s}, [pCRow1]
add pCRow0, pCRow0, #16
.endm
/******************************************************************************/
.macro INIT2x4
fmov s16, wzr
fmov s20, s16
fmov s24, s20
fmov s28, s16
.endm
.macro KERNEL2x4_SUB
ld1 {v8.2s, v9.2s}, [pB]
add pB, pB, #16
ld1 {v0.2s}, [pA]
add pA, pA, #8
fmla v16.2s, v0.2s, v8.s[0]
fmla v20.2s, v0.2s, v8.s[1]
fmla v24.2s, v0.2s, v9.s[0]
fmla v28.2s, v0.2s, v9.s[1]
.endm
.macro SAVE2x4
fmul v8.2s, v16.2s, alphaV0
st1 {v8.2s}, [pCRow0]
add pCRow1, pCRow0, LDC
fmul v12.2s, v20.2s, alphaV1
st1 {v12.2s}, [pCRow1]
add pCRow2, pCRow1, LDC
fmul v8.2s, v24.2s, alphaV2
st1 {v8.2s}, [pCRow2]
add pCRow1, pCRow2, LDC
fmul v12.2s, v28.2s, alphaV3
st1 {v12.2s}, [pCRow1]
add pCRow0, pCRow0, #8
.endm
/******************************************************************************/
.macro INIT1x4
fmov s16, wzr
fmov s20, s16
.endm
.macro KERNEL1x4_SUB
ldr s0, [pA]
add pA, pA, #4
ld1 {v8.2s, v9.2s}, [pB]
add pB, pB, #16
fmla v16.2s, v8.2s, v0.s[0]
fmla v20.2s, v9.2s, v0.s[0]
.endm
.macro SAVE1x4
add pCRow1, pCRow0, LDC
fmul v8.2s, v16.2s, alphaV0
st1 {v8.s}[0], [pCRow0]
st1 {v8.s}[1], [pCRow1]
add pCRow2, pCRow1, LDC
add pCRow1, pCRow2, LDC
fmul v12.2s, v20.2s, alphaV1
st1 {v12.s}[0], [pCRow2]
st1 {v12.s}[1], [pCRow1]
add pCRow0, pCRow0, #4
.endm
/******************************************************************************/
.macro INIT4x2
fmov s16, wzr
fmov s17, s16
fmov s20, s17
fmov s21, s16
.endm
.macro KERNEL4x2_SUB
ld1 {v8.2s}, [pB]
add pB, pB, #8
ld1 {v0.2s, v1.2s}, [pA]
add pA, pA, #16
fmla v16.2s, v0.2s, v8.s[0]
fmla v17.2s, v1.2s, v8.s[0]
fmla v20.2s, v0.2s, v8.s[1]
fmla v21.2s, v1.2s, v8.s[1]
.endm
.macro SAVE4x2
fmul v8.2s, v16.2s, alphaV0
fmul v9.2s, v17.2s, alphaV1
st1 {v8.2s, v9.2s}, [pCRow0]
add pCRow1, pCRow0, LDC
fmul v12.2s, v20.2s, alphaV2
fmul v13.2s, v21.2s, alphaV3
st1 {v12.2s, v13.2s}, [pCRow1]
add pCRow0, pCRow0, #16
.endm
/******************************************************************************/
.macro INIT2x2
fmov s16, wzr
fmov s20, s16
.endm
.macro KERNEL2x2_SUB
ld1 {v8.2s}, [pB]
add pB, pB, #8
ld1 {v0.2s}, [pA]
add pA, pA, #8
fmla v16.2s, v0.2s, v8.s[0]
fmla v20.2s, v0.2s, v8.s[1]
.endm
.macro SAVE2x2
fmul v8.2s, v16.2s, alphaV0
st1 {v8.2s}, [pCRow0]
add pCRow1 , pCRow0, LDC
fmul v12.2s, v20.2s, alphaV1
st1 {v12.2s}, [pCRow1]
add pCRow0, pCRow0, #8
.endm
/******************************************************************************/
.macro INIT1x2
fmov s16, wzr
.endm
.macro KERNEL1x2_SUB
ld1 {v8.2s} , [pB]
add pB , pB, #8
ldr s0 , [pA]
add pA, pA, #4
fmla v16.2s, v8.2s, v0.s[0]
.endm
.macro SAVE1x2
add pCRow1 , pCRow0, LDC
fmul v8.2s, v16.2s, alphaV0
st1 {v8.s}[0], [pCRow0]
st1 {v8.s}[1], [pCRow1]
add pCRow0, pCRow0, #4
.endm
/******************************************************************************/
.macro INIT4x1
fmov s16, wzr
fmov s17, s16
.endm
.macro KERNEL4x1_SUB
ldr s8, [pB]
add pB , pB, #4
ld1 {v0.2s, v1.2s}, [pA]
add pA , pA, #16
fmla v16.2s, v0.2s, v8.s[0]
fmla v17.2s, v1.2s, v8.s[0]
.endm
.macro SAVE4x1
fmul v8.2s, v16.2s, alphaV0
fmul v9.2s, v17.2s, alphaV1
st1 {v8.2s, v9.2s}, [pCRow0]
add pCRow0, pCRow0, #16
.endm
/******************************************************************************/
.macro INIT2x1
fmov s16, wzr
.endm
.macro KERNEL2x1_SUB
ldr s8, [pB]
add pB , pB, #4
ld1 {v0.2s}, [pA]
add pA , pA, #8
fmla v16.2s, v0.2s, v8.s[0]
.endm
.macro SAVE2x1
fmul v8.2s, v16.2s, alphaV0
st1 {v8.2s}, [pCRow0]
add pCRow0, pCRow0, #8
.endm
/******************************************************************************/
.macro INIT1x1
fmov s16, wzr
.endm
.macro KERNEL1x1_SUB
ldr s8, [pB]
add pB , pB, #4
ldr s0, [pA]
add pA , pA, #4
fmadd s16, s0, s8, s16
.endm
.macro SAVE1x1
fmul s8, s16, alpha0
str s8, [pCRow0]
add pCRow0, pCRow0, #4
.endm
/*******************************************************************************
* End of macro definitions
*******************************************************************************/
PROLOGUE
strmm_kernel_begin:
.align 5
add sp, sp, #-(11 * 16)
stp d8, d9, [sp, #(0 * 16)]
stp d10, d11, [sp, #(1 * 16)]
stp d12, d13, [sp, #(2 * 16)]
stp d14, d15, [sp, #(3 * 16)]
stp d16, d17, [sp, #(4 * 16)]
stp x18, x19, [sp, #(5 * 16)]
stp x20, x21, [sp, #(6 * 16)]
stp x22, x23, [sp, #(7 * 16)]
stp x24, x25, [sp, #(8 * 16)]
stp x26, x27, [sp, #(9 * 16)]
str x28, [sp, #(10 * 16)]
fmov alpha0, s0
fmov alpha1, s0
fmov alpha2, s0
fmov alpha3, s0
lsl LDC, LDC, #2 // ldc = ldc * 4
#if !defined(LEFT)
neg tempOffset, offset
#endif
mov pB, origPB
mov counterJ, origN
asr counterJ, counterJ, #2 // J = J / 4
cmp counterJ, #0
ble strmm_kernel_L2_BEGIN
/******************************************************************************/
strmm_kernel_L4_BEGIN:
mov pCRow0, pC // pCRow0 = C
add pC, pC, LDC, lsl #2
#if defined(LEFT)
mov tempOffset, offset
#endif
mov pA, origPA // pA = start of A array
strmm_kernel_L4_M4_BEGIN:
mov counterI, origM
asr counterI, counterI, #2 // counterI = counterI / 4
cmp counterI, #0
ble strmm_kernel_L4_M2_BEGIN
strmm_kernel_L4_M4_20:
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
mov pB, origPB
#else
mov pB, origPB
lsl temp, tempOffset, #4
add pB, pB, temp
add pA, pA, temp
#endif
#if (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
sub tempK, origK, tempOffset
#elif defined(LEFT)
add tempK, tempOffset, #4
#else
add tempK, tempOffset, #4
#endif
asr counterL , tempK, #1 // L = K / 2
cmp counterL , #2 // is there at least 4 to do?
blt strmm_kernel_L4_M4_32
KERNEL4x4_I // do one in the K
KERNEL4x4_M2 // do another in the K
subs counterL, counterL, #2
ble strmm_kernel_L4_M4_22a
.align 5
strmm_kernel_L4_M4_22:
KERNEL4x4_M1
KERNEL4x4_M2
subs counterL, counterL, #1
bgt strmm_kernel_L4_M4_22
strmm_kernel_L4_M4_22a:
KERNEL4x4_M1
KERNEL4x4_E
b strmm_kernel_L4_M4_44
strmm_kernel_L4_M4_32:
tst counterL, #1
ble strmm_kernel_L4_M4_40
KERNEL4x4_I
KERNEL4x4_E
b strmm_kernel_L4_M4_44
strmm_kernel_L4_M4_40:
INIT4x4
strmm_kernel_L4_M4_44:
ands counterL , tempK, #1
ble strmm_kernel_L4_M4_100
strmm_kernel_L4_M4_46:
KERNEL4x4_SUB
strmm_kernel_L4_M4_100:
SAVE4x4
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
sub tempK, origK, tempOffset
#if defined(LEFT)
sub tempK, tempK, #4
#else
sub tempK, tempK, #4
#endif
lsl temp, tempK, #4
add pA, pA, temp
add pB, pB, temp
#endif
#if defined(LEFT)
add tempOffset, tempOffset, #4
#endif
strmm_kernel_L4_M4_END:
subs counterI, counterI, #1
bne strmm_kernel_L4_M4_20
strmm_kernel_L4_M2_BEGIN:
mov counterI, origM
tst counterI , #3
ble strmm_kernel_L4_END
tst counterI, #2 // counterI = counterI / 2
ble strmm_kernel_L4_M1_BEGIN
strmm_kernel_L4_M2_20:
INIT2x4
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
mov pB, origPB
#else
mov pB, origPB
lsl temp, tempOffset, #3
add pA, pA, temp
lsl temp, tempOffset, #4
add pB, pB, temp
#endif
#if (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
sub tempK, origK, tempOffset
#elif defined(LEFT)
add tempK, tempOffset, #2
#else
add tempK, tempOffset, #4
#endif
asr counterL , tempK, #3 // counterL = counterL / 8
cmp counterL , #0
ble strmm_kernel_L4_M2_40
strmm_kernel_L4_M2_22:
KERNEL2x4_SUB
KERNEL2x4_SUB
KERNEL2x4_SUB
KERNEL2x4_SUB
KERNEL2x4_SUB
KERNEL2x4_SUB
KERNEL2x4_SUB
KERNEL2x4_SUB
subs counterL, counterL, #1
bgt strmm_kernel_L4_M2_22
strmm_kernel_L4_M2_40:
ands counterL , tempK, #7 // counterL = counterL % 8
ble strmm_kernel_L4_M2_100
strmm_kernel_L4_M2_42:
KERNEL2x4_SUB
subs counterL, counterL, #1
bgt strmm_kernel_L4_M2_42
strmm_kernel_L4_M2_100:
SAVE2x4
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
sub tempK, origK, tempOffset
#if defined(LEFT)
sub tempK, tempK, #2
#else
sub tempK, tempK, #4
#endif
lsl temp, tempK, #3
add pA, pA, temp
lsl temp, tempK, #4
add pB, pB, temp
#endif
#if defined(LEFT)
add tempOffset, tempOffset, #2
#endif
strmm_kernel_L4_M2_END:
strmm_kernel_L4_M1_BEGIN:
tst counterI, #1 // counterI = counterI % 2
ble strmm_kernel_L4_END
strmm_kernel_L4_M1_20:
INIT1x4
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
mov pB, origPB
#else
mov pB, origPB
lsl temp, tempOffset, #4
add pB, pB, temp
lsl temp, tempOffset, #2
add pA, pA, temp
#endif
#if (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
sub tempK, origK, tempOffset
#elif defined(LEFT)
add tempK, tempOffset, #1
#else
add tempK, tempOffset, #4
#endif
asr counterL , tempK, #3 // counterL = counterL / 8
cmp counterL , #0
ble strmm_kernel_L4_M1_40
strmm_kernel_L4_M1_22:
KERNEL1x4_SUB
KERNEL1x4_SUB
KERNEL1x4_SUB
KERNEL1x4_SUB
KERNEL1x4_SUB
KERNEL1x4_SUB
KERNEL1x4_SUB
KERNEL1x4_SUB
subs counterL, counterL, #1
bgt strmm_kernel_L4_M1_22
strmm_kernel_L4_M1_40:
ands counterL , tempK, #7 // counterL = counterL % 8
ble strmm_kernel_L4_M1_100
strmm_kernel_L4_M1_42:
KERNEL1x4_SUB
subs counterL, counterL, #1
bgt strmm_kernel_L4_M1_42
strmm_kernel_L4_M1_100:
SAVE1x4
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
sub tempK, origK, tempOffset
#if defined(LEFT)
sub tempK, tempK, #1
#else
sub tempK, tempK, #4
#endif
lsl temp, tempK, #2
add pA, pA, temp
lsl temp, tempK, #4
add pB, pB, temp
#endif
#if defined(LEFT)
add tempOffset, tempOffset, #1
#endif
strmm_kernel_L4_END:
add origPB, origPB, origK, lsl #4 // B = B + K * 4 * 4
#if !defined(LEFT)
add tempOffset, tempOffset, #4
#endif
subs counterJ, counterJ , #1 // j--
bgt strmm_kernel_L4_BEGIN
/******************************************************************************/
strmm_kernel_L2_BEGIN: // less than 2 left in N direction
mov counterJ , origN
tst counterJ , #3
ble strmm_kernel_L999
tst counterJ , #2
ble strmm_kernel_L1_BEGIN
mov pCRow0, pC // pCRow0 = pC
add pC,pC,LDC, lsl #1
#if defined(LEFT)
mov tempOffset, offset
#endif
mov pA, origPA // pA = A
strmm_kernel_L2_M4_BEGIN:
mov counterI, origM
asr counterI, counterI, #2 // counterI = counterI / 4
cmp counterI,#0
ble strmm_kernel_L2_M2_BEGIN
strmm_kernel_L2_M4_20:
INIT4x2
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
mov pB, origPB
#else
mov pB, origPB
lsl temp, tempOffset, #3
add pB, pB, temp
lsl temp, tempOffset, #4
add pA, pA, temp
#endif
#if (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
sub tempK, origK, tempOffset
#elif defined(LEFT)
add tempK, tempOffset, #4
#else
add tempK, tempOffset, #2
#endif
asr counterL , tempK, #3 // counterL = counterL / 8
cmp counterL,#0
ble strmm_kernel_L2_M4_40
.align 5
strmm_kernel_L2_M4_22:
KERNEL4x2_SUB
KERNEL4x2_SUB
KERNEL4x2_SUB
KERNEL4x2_SUB
KERNEL4x2_SUB
KERNEL4x2_SUB
KERNEL4x2_SUB
KERNEL4x2_SUB
subs counterL, counterL, #1
bgt strmm_kernel_L2_M4_22
strmm_kernel_L2_M4_40:
ands counterL , tempK, #7 // counterL = counterL % 8
ble strmm_kernel_L2_M4_100
strmm_kernel_L2_M4_42:
KERNEL4x2_SUB
subs counterL, counterL, #1
bgt strmm_kernel_L2_M4_42
strmm_kernel_L2_M4_100:
SAVE4x2
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
sub tempK, origK, tempOffset
#if defined(LEFT)
sub tempK, tempK, #4
#else
sub tempK, tempK, #2
#endif
lsl temp, tempK, #4
add pA, pA, temp
lsl temp, tempK, #3
add pB, pB, temp
#endif
#if defined(LEFT)
add tempOffset, tempOffset, #4
#endif
strmm_kernel_L2_M4_END:
subs counterI, counterI, #1
bgt strmm_kernel_L2_M4_20
strmm_kernel_L2_M2_BEGIN:
mov counterI, origM
tst counterI , #3
ble strmm_kernel_L2_END
tst counterI, #2 // counterI = counterI / 2
ble strmm_kernel_L2_M1_BEGIN
strmm_kernel_L2_M2_20:
INIT2x2
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
mov pB, origPB
#else
mov pB, origPB
lsl temp, tempOffset, #3
add pB, pB, temp
lsl temp, tempOffset, #3
add pA, pA, temp
#endif
#if (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
sub tempK, origK, tempOffset
#elif defined(LEFT)
add tempK, tempOffset, #2
#else
add tempK, tempOffset, #2
#endif
asr counterL , tempK, #3 // counterL = counterL / 8
cmp counterL,#0
ble strmm_kernel_L2_M2_40
strmm_kernel_L2_M2_22:
KERNEL2x2_SUB
KERNEL2x2_SUB
KERNEL2x2_SUB
KERNEL2x2_SUB
KERNEL2x2_SUB
KERNEL2x2_SUB
KERNEL2x2_SUB
KERNEL2x2_SUB
subs counterL, counterL, #1
bgt strmm_kernel_L2_M2_22
strmm_kernel_L2_M2_40:
ands counterL , tempK, #7 // counterL = counterL % 8
ble strmm_kernel_L2_M2_100
strmm_kernel_L2_M2_42:
KERNEL2x2_SUB
subs counterL, counterL, #1
bgt strmm_kernel_L2_M2_42
strmm_kernel_L2_M2_100:
SAVE2x2
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
sub tempK, origK, tempOffset
#if defined(LEFT)
sub tempK, tempK, #2
#else
sub tempK, tempK, #2
#endif
lsl temp, tempK, #3
add pA, pA, temp
lsl temp, tempK, #3
add pB, pB, temp
#endif
#if defined(LEFT)
add tempOffset, tempOffset, #2
#endif
strmm_kernel_L2_M2_END:
strmm_kernel_L2_M1_BEGIN:
tst counterI, #1 // counterI = counterI % 2
ble strmm_kernel_L2_END
strmm_kernel_L2_M1_20:
INIT1x2
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
mov pB, origPB
#else
mov pB, origPB
lsl temp, tempOffset, #3
add pB, pB, temp
lsl temp, tempOffset, #2
add pA, pA, temp
#endif
#if (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
sub tempK, origK, tempOffset
#elif defined(LEFT)
add tempK, tempOffset, #1
#else
add tempK, tempOffset, #2
#endif
asr counterL , tempK, #3 // counterL = counterL / 8
cmp counterL, #0
ble strmm_kernel_L2_M1_40
strmm_kernel_L2_M1_22:
KERNEL1x2_SUB
KERNEL1x2_SUB
KERNEL1x2_SUB
KERNEL1x2_SUB
KERNEL1x2_SUB
KERNEL1x2_SUB
KERNEL1x2_SUB
KERNEL1x2_SUB
subs counterL, counterL, #1
bgt strmm_kernel_L2_M1_22
strmm_kernel_L2_M1_40:
ands counterL , tempK, #7 // counterL = counterL % 8
ble strmm_kernel_L2_M1_100
strmm_kernel_L2_M1_42:
KERNEL1x2_SUB
subs counterL, counterL, #1
bgt strmm_kernel_L2_M1_42
strmm_kernel_L2_M1_100:
SAVE1x2
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
sub tempK, origK, tempOffset
#if defined(LEFT)
sub tempK, tempK, #1
#else
sub tempK, tempK, #2
#endif
lsl temp, tempK, #2
add pA, pA, temp
lsl temp, tempK, #3
add pB, pB, temp
#endif
#if defined(LEFT)
add tempOffset, tempOffset, #1
#endif
strmm_kernel_L2_END:
#if !defined(LEFT)
add tempOffset, tempOffset, #2
#endif
add origPB, origPB, origK, lsl #3 // B = B + K * 2 * 4
/******************************************************************************/
strmm_kernel_L1_BEGIN:
mov counterJ , origN
tst counterJ , #1
ble strmm_kernel_L999 // done
mov pCRow0, pC // pCRow0 = C
add pC , pC , LDC // Update pC to point to next
#if defined(LEFT)
mov tempOffset, offset
#endif
mov pA, origPA // pA = A
strmm_kernel_L1_M4_BEGIN:
mov counterI, origM
asr counterI, counterI, #2 // counterI = counterI / 4
cmp counterI, #0
ble strmm_kernel_L1_M2_BEGIN
strmm_kernel_L1_M4_20:
INIT4x1
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
mov pB, origPB
#else
mov pB, origPB
lsl temp, tempOffset, #2
add pB, pB, temp
lsl temp, tempOffset, #4
add pA, pA, temp
#endif
#if (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
sub tempK, origK, tempOffset
#elif defined(LEFT)
add tempK, tempOffset, #4
#else
add tempK, tempOffset, #1
#endif
asr counterL , tempK, #3 // counterL = counterL / 8
cmp counterL , #0
ble strmm_kernel_L1_M4_40
.align 5
strmm_kernel_L1_M4_22:
KERNEL4x1_SUB
KERNEL4x1_SUB
KERNEL4x1_SUB
KERNEL4x1_SUB
KERNEL4x1_SUB
KERNEL4x1_SUB
KERNEL4x1_SUB
KERNEL4x1_SUB
subs counterL, counterL, #1
bgt strmm_kernel_L1_M4_22
strmm_kernel_L1_M4_40:
ands counterL , tempK, #7 // counterL = counterL % 8
ble strmm_kernel_L1_M4_100
strmm_kernel_L1_M4_42:
KERNEL4x1_SUB
subs counterL, counterL, #1
bgt strmm_kernel_L1_M4_42
strmm_kernel_L1_M4_100:
SAVE4x1
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
sub tempK, origK, tempOffset
#if defined(LEFT)
sub tempK, tempK, #4
#else
sub tempK, tempK, #1
#endif
lsl temp, tempK, #4
add pA, pA, temp
lsl temp, tempK, #2
add pB, pB, temp
#endif
#if defined(LEFT)
add tempOffset, tempOffset, #4
#endif
strmm_kernel_L1_M4_END:
subs counterI, counterI, #1
bgt strmm_kernel_L1_M4_20
strmm_kernel_L1_M2_BEGIN:
mov counterI, origM
tst counterI , #3
ble strmm_kernel_L1_END
tst counterI, #2 // counterI = counterI / 2
ble strmm_kernel_L1_M1_BEGIN
strmm_kernel_L1_M2_20:
INIT2x1
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
mov pB, origPB
#else
mov pB, origPB
lsl temp, tempOffset, #2
add pB, pB, temp
lsl temp, tempOffset, #3
add pA, pA, temp
#endif
#if (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
sub tempK, origK, tempOffset
#elif defined(LEFT)
add tempK, tempOffset, #2
#else
add tempK, tempOffset, #1
#endif
asr counterL , tempK, #3 // counterL = counterL / 8
cmp counterL , #0
ble strmm_kernel_L1_M2_40
strmm_kernel_L1_M2_22:
KERNEL2x1_SUB
KERNEL2x1_SUB
KERNEL2x1_SUB
KERNEL2x1_SUB
KERNEL2x1_SUB
KERNEL2x1_SUB
KERNEL2x1_SUB
KERNEL2x1_SUB
subs counterL, counterL, #1
bgt strmm_kernel_L1_M2_22
strmm_kernel_L1_M2_40:
ands counterL , tempK, #7 // counterL = counterL % 8
ble strmm_kernel_L1_M2_100
strmm_kernel_L1_M2_42:
KERNEL2x1_SUB
subs counterL, counterL, #1
bgt strmm_kernel_L1_M2_42
strmm_kernel_L1_M2_100:
SAVE2x1
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
sub tempK, origK, tempOffset
#if defined(LEFT)
sub tempK, tempK, #2
#else
sub tempK, tempK, #1
#endif
lsl temp, tempK, #3
add pA, pA, temp
lsl temp, tempK, #2
add pB, pB, temp
#endif
#if defined(LEFT)
add tempOffset, tempOffset, #2
#endif
strmm_kernel_L1_M2_END:
strmm_kernel_L1_M1_BEGIN:
tst counterI, #1 // counterI = counterI % 2
ble strmm_kernel_L1_END
strmm_kernel_L1_M1_20:
INIT1x1
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
mov pB, origPB
#else
mov pB, origPB
lsl temp, tempOffset, #2
add pB, pB, temp
lsl temp, tempOffset, #2
add pA, pA, temp
#endif
#if (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
sub tempK, origK, tempOffset
#elif defined(LEFT)
add tempK, tempOffset, #1
#else
add tempK, tempOffset, #1
#endif
asr counterL , tempK, #3 // counterL = counterL / 8
cmp counterL , #0
ble strmm_kernel_L1_M1_40
strmm_kernel_L1_M1_22:
KERNEL1x1_SUB
KERNEL1x1_SUB
KERNEL1x1_SUB
KERNEL1x1_SUB
KERNEL1x1_SUB
KERNEL1x1_SUB
KERNEL1x1_SUB
KERNEL1x1_SUB
subs counterL, counterL, #1
bgt strmm_kernel_L1_M1_22
strmm_kernel_L1_M1_40:
ands counterL , tempK, #7 // counterL = counterL % 8
ble strmm_kernel_L1_M1_100
strmm_kernel_L1_M1_42:
KERNEL1x1_SUB
subs counterL, counterL, #1
bgt strmm_kernel_L1_M1_42
strmm_kernel_L1_M1_100:
SAVE1x1
#if 0
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
sub tempK, origK, tempOffset
#if defined(LEFT)
sub tempK, tempK, #1
#else
sub tempK, tempK, #1
#endif
lsl temp, tempK, #2
add pA, pA, temp
lsl temp, tempK, #2
add pB, pB, temp
#endif
#if defined(LEFT)
add tempOffset, tempOffset, #1
#endif
#endif
strmm_kernel_L1_END:
#if 0
#if !defined(LEFT)
add tempOffset, tempOffset, #1
#endif
#endif
strmm_kernel_L999:
mov x0, #0 // set return value
ldp d8, d9, [sp, #(0 * 16)]
ldp d10, d11, [sp, #(1 * 16)]
ldp d12, d13, [sp, #(2 * 16)]
ldp d14, d15, [sp, #(3 * 16)]
ldp d16, d17, [sp, #(4 * 16)]
ldp x18, x19, [sp, #(5 * 16)]
ldp x20, x21, [sp, #(6 * 16)]
ldp x22, x23, [sp, #(7 * 16)]
ldp x24, x25, [sp, #(8 * 16)]
ldp x26, x27, [sp, #(9 * 16)]
ldr x28, [sp, #(10 * 16)]
add sp, sp, #(11*16)
ret
EPILOGUE
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