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Optimize dcopy/zcopy for POWER10

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This patch makes use of new POWER10 vector pair instructions for
loads and stores. Tested in simulator and no new failures.
This commit is contained in:
Rajalakshmi Srinivasaraghavan
2020-09-27 21:42:32 -05:00
parent ba31c8f5f9
commit 2df4235e00
5 changed files with 525 additions and 2 deletions
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134
kernel/power/dcopy_microk_power10.c Normal file
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/***************************************************************************
Copyright (c) 2020, 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 HAVE_KERNEL_64 1
static void dcopy_kernel_64 (long n, double *x, double *y)
{
__asm__
(
"lxvp 32, 0(%2) \n\t"
"lxvp 34, 32(%2) \n\t"
"lxvp 36, 64(%2) \n\t"
"lxvp 38, 96(%2) \n\t"
"lxvp 40, 128(%2) \n\t"
"lxvp 42, 160(%2) \n\t"
"lxvp 44, 192(%2) \n\t"
"lxvp 46, 224(%2) \n\t"
"lxvp 48, 256(%2) \n\t"
"lxvp 50, 288(%2) \n\t"
"lxvp 52, 320(%2) \n\t"
"lxvp 54, 352(%2) \n\t"
"lxvp 56, 384(%2) \n\t"
"lxvp 58, 416(%2) \n\t"
"lxvp 60, 448(%2) \n\t"
"lxvp 62, 480(%2) \n\t"
"addi %2, %2, 512 \n\t"
"addic. %1, %1, -64 \n\t"
"ble two%= \n\t"
".align 5 \n"
"one%=: \n\t"
"stxvp 32, 0(%3) \n\t"
"lxvp 32, 0(%2) \n\t"
"stxvp 34, 32(%3) \n\t"
"lxvp 34, 32(%2) \n\t"
"stxvp 36, 64(%3) \n\t"
"lxvp 36, 64(%2) \n\t"
"stxvp 38, 96(%3) \n\t"
"lxvp 38, 96(%2) \n\t"
"stxvp 40, 128(%3) \n\t"
"lxvp 40, 128(%2) \n\t"
"stxvp 42, 160(%3) \n\t"
"lxvp 42, 160(%2) \n\t"
"stxvp 44, 192(%3) \n\t"
"lxvp 44, 192(%2) \n\t"
"stxvp 46, 224(%3) \n\t"
"lxvp 46, 224(%2) \n\t"
"stxvp 48, 256(%3) \n\t"
"lxvp 48, 256(%2) \n\t"
"stxvp 50, 288(%3) \n\t"
"lxvp 50, 288(%2) \n\t"
"stxvp 52, 320(%3) \n\t"
"lxvp 52, 320(%2) \n\t"
"stxvp 54, 352(%3) \n\t"
"lxvp 54, 352(%2) \n\t"
"stxvp 56, 384(%3) \n\t"
"lxvp 56, 384(%2) \n\t"
"stxvp 58, 416(%3) \n\t"
"lxvp 58, 416(%2) \n\t"
"stxvp 60, 448(%3) \n\t"
"lxvp 60, 448(%2) \n\t"
"stxvp 62, 480(%3) \n\t"
"lxvp 62, 480(%2) \n\t"
"addi %3, %3, 512 \n\t"
"addi %2, %2, 512 \n\t"
"addic. %1, %1, -64 \n\t"
"bgt one%= \n"
"two%=: \n\t"
"stxvp 32, 0(%3) \n\t"
"stxvp 34, 32(%3) \n\t"
"stxvp 36, 64(%3) \n\t"
"stxvp 38, 96(%3) \n\t"
"stxvp 40, 128(%3) \n\t"
"stxvp 42, 160(%3) \n\t"
"stxvp 44, 192(%3) \n\t"
"stxvp 46, 224(%3) \n\t"
"stxvp 48, 256(%3) \n\t"
"stxvp 50, 288(%3) \n\t"
"stxvp 52, 320(%3) \n\t"
"stxvp 54, 352(%3) \n\t"
"stxvp 56, 384(%3) \n\t"
"stxvp 58, 416(%3) \n\t"
"stxvp 60, 448(%3) \n\t"
"stxvp 62, 480(%3) \n\t"
"#n=%1 x=%4=%2 y=%0=%3"
:
"=m" (*y),
"+r" (n), // 1
"+b" (x), // 2
"+b" (y) // 3
:
"m" (*x)
:
"cr0",
"vs32","vs33","vs34","vs35","vs36","vs37","vs38","vs39",
"vs40","vs41","vs42","vs43","vs44","vs45","vs46","vs47",
"vs48","vs49","vs50","vs51","vs52","vs53","vs54","vs55",
"vs56","vs57","vs58","vs59","vs60","vs61","vs62","vs63"
);
}