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Merge 3b2421cba0 into 453b9e4886

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CDAC-SSDG 2024-11-01 01:06:52 +08:00 committed by GitHub
parent 453b9e4886 3b2421cba0
commit 820df5f4a8
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11 changed files with 444 additions and 6 deletions
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10
CONTRIBUTORS.md
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@ -229,3 +229,13 @@ In chronological order:
* Christopher Daley <https://github.com/cdaley>
* [2024-01-24] Optimize GEMV forwarding on ARM64 systems
* Aniket P. Garade <https://github.com/garadeaniket>
* [2024-10-30] Optimized scal Level-1 BLAS routines with ARM SVE
* Sushil Pratap Singh <https://github.com/SushilPratap04>
* [2024-10-30] Optimized swap Level-1 BLAS routines with ARM SVE
* Juliya James <https://github.com/Juliya32>
* [2024-10-30] Optimized rot Level-1 BLAS routines with ARM SVE

12
kernel/arm64/KERNEL.ARMV8SVE
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@ -64,13 +64,13 @@ DAXPYKERNEL = daxpy_thunderx2t99.S
CAXPYKERNEL = zaxpy.S
ZAXPYKERNEL = zaxpy.S
SROTKERNEL = rot.S
DROTKERNEL = rot.S
SROTKERNEL = rot.c
DROTKERNEL = rot.c
CROTKERNEL = zrot.S
ZROTKERNEL = zrot.S
SSCALKERNEL = scal.S
DSCALKERNEL = scal.S
SSCALKERNEL = scal.c
DSCALKERNEL = scal.c
CSCALKERNEL = zscal.S
ZSCALKERNEL = zscal.S
@ -94,8 +94,8 @@ DCOPYKERNEL = copy_thunderx2t99.c
CCOPYKERNEL = copy_thunderx2t99.c
ZCOPYKERNEL = copy_thunderx2t99.c
SSWAPKERNEL = swap_thunderx2t99.S
DSWAPKERNEL = swap_thunderx2t99.S
SSWAPKERNEL = swap.c
DSWAPKERNEL = swap.c
CSWAPKERNEL = swap_thunderx2t99.S
ZSWAPKERNEL = swap_thunderx2t99.S

40
kernel/arm64/rot.c Normal file
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@ -0,0 +1,40 @@
/*******************************************************************************
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.
*******************************************************************************/
#include "common.h"
#include "rot_kernel_sve.c"
#include "rot_kernel_c.c"
int CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT c, FLOAT s)
{
if (n <= 0)
return (0);
if (inc_x == 1 && inc_y == 1)
rot_kernel_sve(n, x, y, c, s);
else
rot_kernel_c(n, x, inc_x, y, inc_y, c, s);
return (0);
}

44
kernel/arm64/rot_kernel_c.c Normal file
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@ -0,0 +1,44 @@
/*******************************************************************************
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.
*******************************************************************************/
#include "common.h"
static int rot_kernel_c(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT c, FLOAT s)
{
BLASLONG i = 0;
BLASLONG ix = 0, iy = 0;
FLOAT temp;
while (i < n)
{
temp = c * x[ix] + s * y[iy];
y[iy] = c * y[iy] - s * x[ix];
x[ix] = temp;
ix += inc_x;
iy += inc_y;
i++;
}
return (0);
}

59
kernel/arm64/rot_kernel_sve.c Normal file
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@ -0,0 +1,59 @@
/*******************************************************************************
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.
*******************************************************************************/
#include "common.h"
#include <arm_sve.h>
#ifdef DOUBLE
#define SVE_TYPE svfloat64_t
#define SVE_ZERO svdup_f64(0.0)
#define SVE_WHILELT svwhilelt_b64
#define SVE_ALL svptrue_b64()
#define SVE_WIDTH svcntd()
#else
#define SVE_TYPE svfloat32_t
#define SVE_ZERO svdup_f32(0.0)
#define SVE_WHILELT svwhilelt_b32
#define SVE_ALL svptrue_b32()
#define SVE_WIDTH svcntw()
#endif
static int rot_kernel_sve(BLASLONG n, FLOAT *x, FLOAT *y, FLOAT c, FLOAT s)
{
for (int i = 0; i < n; i += SVE_WIDTH)
{
svbool_t pg = SVE_WHILELT((uint32_t)i, (uint32_t)n);
SVE_TYPE x_vec = svld1(pg, &x[i]);
SVE_TYPE y_vec = svld1(pg, &y[i]);
SVE_TYPE cx_vec = svmul_z(pg, x_vec, c);
SVE_TYPE sy_vec = svmul_z(pg, y_vec, s);
SVE_TYPE sx_vec = svmul_z(pg, x_vec, s);
SVE_TYPE cy_vec = svmul_z(pg, y_vec, c);
svst1(pg, &x[i], svadd_z(pg, cx_vec, sy_vec));
svst1(pg, &y[i], svsub_z(pg, cy_vec, sx_vec));
}
return (0);
}

40
kernel/arm64/scal.c Normal file
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@ -0,0 +1,40 @@
/*******************************************************************************
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.
*******************************************************************************/
#include "common.h"
#include "scal_kernel_sve.c"
#include "scal_kernel_c.c"
int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT *dummy, BLASLONG dummy2)
{
if ((n <= 0) || (inc_x <= 0))
return (0);
if (inc_x == 1)
scal_kernel_sve(n, x, da);
else
scal_kernel_c(n, da, x, inc_x, y, inc_y);
return (0);
}

43
kernel/arm64/scal_kernel_c.c Normal file
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@ -0,0 +1,43 @@
/*******************************************************************************
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.
*******************************************************************************/
#include "common.h"
static int scal_kernel_c(BLASLONG n, FLOAT da, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)
{
BLASLONG i = 0, j = 0;
while (j < n)
{
if (da == 0.0)
x[i] = 0.0;
else
x[i] = da * x[i];
i += inc_x;
j++;
}
return (0);
}

54
kernel/arm64/scal_kernel_sve.c Normal file
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@ -0,0 +1,54 @@
/*******************************************************************************
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.
*******************************************************************************/
#include "common.h"
#include <arm_sve.h>
#ifdef DOUBLE
#define SVE_TYPE svfloat64_t
#define SVE_ZERO svdup_f64(0.0)
#define SVE_WHILELT svwhilelt_b64
#define SVE_ALL svptrue_b64()
#define SVE_WIDTH svcntd()
#else
#define SVE_TYPE svfloat32_t
#define SVE_ZERO svdup_f32(0.0)
#define SVE_WHILELT svwhilelt_b32
#define SVE_ALL svptrue_b32()
#define SVE_WIDTH svcntw()
#endif
static int scal_kernel_sve(int n, FLOAT *x, FLOAT da)
{
for (int i = 0; i < n; i += SVE_WIDTH)
{
svbool_t pg = SVE_WHILELT(i, n);
SVE_TYPE x_vec = svld1(pg, &x[i]);
SVE_TYPE result = svmul_z(pg, x_vec, da);
svst1(pg, &x[i], result);
}
return (0);
}

40
kernel/arm64/swap.c Normal file
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@ -0,0 +1,40 @@
/***************************************************************************
Copyright (c) 2013, 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.
*****************************************************************************/
#include "common.h"
#include "swap_kernel_sve.c"
#include "swap_kernel_c.c"
int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT dummy3, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT *dummy, BLASLONG dummy2)
{
if (n <= 0)
return 0;
if (inc_x == 1 && inc_y == 1)
swap_kernel_sve(n, x, y);
else
swap_kernel_c(n, x, inc_x, y, inc_y);
return (0);
}

46
kernel/arm64/swap_kernel_c.c Normal file
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@ -0,0 +1,46 @@
/***************************************************************************
Copyright (c) 2013, 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.
*****************************************************************************/
#include "common.h"
#include <stdio.h>
static int swap_kernel_c(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)
{
BLASLONG i = 0;
BLASLONG ix = 0, iy = 0;
FLOAT temp;
while (i < n)
{
temp = x[ix];
x[ix] = y[iy];
y[iy] = temp;
ix += inc_x;
iy += inc_y;
i++;
}
return (0);
}

62
kernel/arm64/swap_kernel_sve.c Normal file
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@ -0,0 +1,62 @@
/*******************************************************************************
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.
*******************************************************************************/
#include "common.h"
#include <arm_sve.h>
#ifdef DOUBLE
#define SVE_TYPE svfloat64_t
#define SVE_ZERO svdup_f64(0.0)
#define SVE_WHILELT svwhilelt_b64
#define SVE_ALL svptrue_b64()
#define SVE_WIDTH svcntd()
#else
#define SVE_TYPE svfloat32_t
#define SVE_ZERO svdup_f32(0.0)
#define SVE_WHILELT svwhilelt_b32
#define SVE_ALL svptrue_b32()
#define SVE_WIDTH svcntw()
#endif
static int swap_kernel_sve(BLASLONG n, FLOAT *x, FLOAT *y)
{
BLASLONG sve_width = SVE_WIDTH;
for (BLASLONG i = 0; i < n; i += sve_width * 2)
{
svbool_t pg_a = SVE_WHILELT(i, n);
svbool_t pg_b = SVE_WHILELT((i + sve_width), n);
SVE_TYPE x_vec_a = svld1(pg_a, &x[i]);
SVE_TYPE y_vec_a = svld1(pg_a, &y[i]);
SVE_TYPE x_vec_b = svld1(pg_b, &x[i + sve_width]);
SVE_TYPE y_vec_b = svld1(pg_b, &y[i + sve_width]);
svst1(pg_a, &x[i], y_vec_a);
svst1(pg_a, &y[i], x_vec_a);
svst1(pg_b, &x[i + sve_width], y_vec_b);
svst1(pg_b, &y[i + sve_width], x_vec_b);
}
return (0);
}