a0128aa489
While debugging/profiling applications using perf or other tools, the kernels appear scattered in the profile reports. This is because the labels within the kernels are not local and each label is shown as a separate function. To avoid this, all the labels within the kernels are changed to local labels.
320 lines
6.1 KiB
ArmAsm
320 lines
6.1 KiB
ArmAsm
/*******************************************************************************
|
|
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"
|
|
|
|
#define N x0 /* vector length */
|
|
#define X x1 /* X vector address */
|
|
#define INC_X x2 /* X stride */
|
|
#define INDEX x3 /* index of max/min value */
|
|
#define Z x4 /* vector index */
|
|
#define I x5 /* loop variable */
|
|
|
|
/*******************************************************************************
|
|
* Macro definitions
|
|
*******************************************************************************/
|
|
|
|
#if defined(USE_MIN)
|
|
#define COND le
|
|
#else
|
|
#define COND ge
|
|
#endif
|
|
|
|
#if !defined(DOUBLE)
|
|
#define MAXF s0
|
|
#define TMPF s1
|
|
#define TMPVF {v1.s}[0]
|
|
#define SZ 4
|
|
#else
|
|
#define MAXF d0
|
|
#define TMPF d1
|
|
#define TMPVF {v1.d}[0]
|
|
#define SZ 8
|
|
#endif
|
|
|
|
/******************************************************************************/
|
|
|
|
.macro INIT_S
|
|
#if !defined(DOUBLE)
|
|
lsl INC_X, INC_X, #2
|
|
ld1 {v0.s}[0], [X], INC_X
|
|
#else
|
|
lsl INC_X, INC_X, #3
|
|
ld1 {v0.d}[0], [X], INC_X
|
|
#endif
|
|
mov Z, #1
|
|
mov INDEX, Z
|
|
fabs MAXF, MAXF
|
|
.endm
|
|
|
|
.macro KERNEL_F8
|
|
#if !defined(DOUBLE)
|
|
ldp q2, q3, [X], #32
|
|
fabs v2.4s, v2.4s
|
|
fabs v3.4s, v3.4s
|
|
fmax v2.4s, v2.4s, v3.4s
|
|
fmaxv TMPF, v2.4s
|
|
fcmp MAXF, TMPF
|
|
fcsel MAXF, MAXF, TMPF, COND
|
|
csel INDEX, INDEX, Z, COND
|
|
add Z, Z, #8
|
|
#else
|
|
ldp q2, q3, [X], #32
|
|
ldp q4, q5, [X], #32
|
|
fabs v2.2d, v2.2d
|
|
fabs v3.2d, v3.2d
|
|
fabs v4.2d, v4.2d
|
|
fabs v5.2d, v5.2d
|
|
|
|
fmax v2.2d, v2.2d, v3.2d
|
|
fmax v4.2d, v4.2d, v5.2d
|
|
fmax v2.2d, v2.2d, v4.2d
|
|
fmaxp TMPF, v2.2d
|
|
|
|
fcmp MAXF, TMPF
|
|
fcsel MAXF, MAXF, TMPF, COND
|
|
csel INDEX, INDEX, Z, COND
|
|
add Z, Z, #8
|
|
#endif
|
|
PRFM PLDL1KEEP, [X, #1024]
|
|
.endm
|
|
|
|
.macro KERNEL_F8_FINALIZE
|
|
sub x6, INDEX, #1
|
|
#if !defined(DOUBLE)
|
|
lsl x6, x6, #2
|
|
add x7, x7, x6
|
|
ldp q2, q3, [x7]
|
|
fabs v2.4s, v2.4s
|
|
fabs v3.4s, v3.4s
|
|
|
|
ins v4.s[0], v3.s[0]
|
|
ins v5.s[0], v3.s[1]
|
|
ins v6.s[0], v3.s[2]
|
|
ins v7.s[0], v3.s[3]
|
|
|
|
add x6, INDEX, #7
|
|
fcmp MAXF, s7
|
|
csel INDEX, x6, INDEX, eq
|
|
|
|
sub x6, x6, #1
|
|
fcmp MAXF, s6
|
|
csel INDEX, x6, INDEX, eq
|
|
|
|
sub x6, x6, #1
|
|
fcmp MAXF, s5
|
|
csel INDEX, x6, INDEX, eq
|
|
|
|
sub x6, x6, #1
|
|
fcmp MAXF, s4
|
|
csel INDEX, x6, INDEX, eq
|
|
|
|
ins v4.s[0], v2.s[0]
|
|
ins v5.s[0], v2.s[1]
|
|
ins v6.s[0], v2.s[2]
|
|
ins v7.s[0], v2.s[3]
|
|
|
|
sub x6, x6, #1
|
|
fcmp MAXF, s7
|
|
csel INDEX, x6, INDEX, eq
|
|
|
|
sub x6, x6, #1
|
|
fcmp MAXF, s6
|
|
csel INDEX, x6, INDEX, eq
|
|
|
|
sub x6, x6, #1
|
|
fcmp MAXF, s5
|
|
csel INDEX, x6, INDEX, eq
|
|
|
|
sub x6, x6, #1
|
|
fcmp MAXF, s4
|
|
csel INDEX, x6, INDEX, eq
|
|
#else
|
|
add x6, x6, #4
|
|
lsl x6, x6, #3
|
|
add x7, x7, x6
|
|
ldp q2, q3, [x7]
|
|
|
|
fabs v2.2d, v2.2d
|
|
fabs v3.2d, v3.2d
|
|
|
|
ins v4.d[0], v2.d[0]
|
|
ins v5.d[0], v2.d[1]
|
|
ins v6.d[0], v3.d[0]
|
|
ins v7.d[0], v3.d[1]
|
|
|
|
add x6, INDEX, #7
|
|
fcmp MAXF, d7
|
|
csel INDEX, x6, INDEX, eq
|
|
|
|
sub x6, x6, #1
|
|
fcmp MAXF, d6
|
|
csel INDEX, x6, INDEX, eq
|
|
|
|
sub x6, x6, #1
|
|
fcmp MAXF, d5
|
|
csel INDEX, x6, INDEX, eq
|
|
|
|
sub x6, x6, #1
|
|
fcmp MAXF, d4
|
|
csel INDEX, x6, INDEX, eq
|
|
|
|
sub x7, x7, #32
|
|
ldp q2, q3, [x7]
|
|
|
|
fabs v2.2d, v2.2d
|
|
fabs v3.2d, v3.2d
|
|
|
|
ins v4.d[0], v2.d[0]
|
|
ins v5.d[0], v2.d[1]
|
|
ins v6.d[0], v3.d[0]
|
|
ins v7.d[0], v3.d[1]
|
|
|
|
sub x6, x6, #1
|
|
fcmp MAXF, d7
|
|
csel INDEX, x6, INDEX, eq
|
|
|
|
sub x6, x6, #1
|
|
fcmp MAXF, d6
|
|
csel INDEX, x6, INDEX, eq
|
|
|
|
sub x6, x6, #1
|
|
fcmp MAXF, d5
|
|
csel INDEX, x6, INDEX, eq
|
|
|
|
sub x6, x6, #1
|
|
fcmp MAXF, d4
|
|
csel INDEX, x6, INDEX, eq
|
|
#endif
|
|
.endm
|
|
|
|
|
|
.macro KERNEL_S1
|
|
ld1 TMPVF, [X], INC_X
|
|
add Z, Z, #1
|
|
fabs TMPF, TMPF
|
|
fcmp MAXF, TMPF
|
|
fcsel MAXF, MAXF, TMPF, COND
|
|
csel INDEX, INDEX, Z, COND
|
|
.endm
|
|
|
|
/*******************************************************************************
|
|
* End of macro definitions
|
|
*******************************************************************************/
|
|
|
|
PROLOGUE
|
|
|
|
cmp N, xzr
|
|
ble .Liamax_kernel_zero
|
|
cmp INC_X, xzr
|
|
ble .Liamax_kernel_zero
|
|
|
|
cmp INC_X, #1
|
|
bne .Liamax_kernel_S_BEGIN
|
|
mov x7, X
|
|
|
|
.Liamax_kernel_F_BEGIN:
|
|
|
|
INIT_S
|
|
|
|
subs N, N, #1
|
|
ble .Liamax_kernel_L999
|
|
|
|
asr I, N, #3
|
|
cmp I, xzr
|
|
beq .Liamax_kernel_F1
|
|
|
|
add Z, Z, #1
|
|
.Liamax_kernel_F8:
|
|
|
|
KERNEL_F8
|
|
|
|
subs I, I, #1
|
|
bne .Liamax_kernel_F8
|
|
|
|
KERNEL_F8_FINALIZE
|
|
|
|
sub Z, Z, #1
|
|
.Liamax_kernel_F1:
|
|
|
|
ands I, N, #7
|
|
ble .Liamax_kernel_L999
|
|
|
|
.Liamax_kernel_F10:
|
|
|
|
KERNEL_S1
|
|
|
|
subs I, I, #1
|
|
bne .Liamax_kernel_F10
|
|
|
|
b .Liamax_kernel_L999
|
|
|
|
.Liamax_kernel_S_BEGIN:
|
|
|
|
INIT_S
|
|
|
|
subs N, N, #1
|
|
ble .Liamax_kernel_L999
|
|
|
|
asr I, N, #2
|
|
cmp I, xzr
|
|
ble .Liamax_kernel_S1
|
|
|
|
.Liamax_kernel_S4:
|
|
|
|
KERNEL_S1
|
|
KERNEL_S1
|
|
KERNEL_S1
|
|
KERNEL_S1
|
|
|
|
subs I, I, #1
|
|
bne .Liamax_kernel_S4
|
|
|
|
.Liamax_kernel_S1:
|
|
|
|
ands I, N, #3
|
|
ble .Liamax_kernel_L999
|
|
|
|
.Liamax_kernel_S10:
|
|
|
|
KERNEL_S1
|
|
subs I, I, #1
|
|
bne .Liamax_kernel_S10
|
|
|
|
.Liamax_kernel_L999:
|
|
|
|
mov x0, INDEX
|
|
ret
|
|
|
|
.Liamax_kernel_zero:
|
|
|
|
mov x0, xzr
|
|
ret
|
|
|
|
EPILOGUE
|