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OpenBLAS/kernel/power/cdot_microk_power10.c

186 lines
7.0 KiB
C
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/***************************************************************************
Copyright (c) 2021, 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_8 1
static void cdot_kernel_8 (long n, float *x, float *y, float *dot)
{
#if (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
__vector unsigned char mask = {4,5,6,7, 0,1,2,3, 12,13,14,15, 8,9,10,11};
#else
__vector unsigned char mask = { 11,10,9,8,15,14,13,12,3,2,1,0,7,6,5,4};
#endif
__asm__
(
"dcbt 0, %2 \n\t"
"dcbt 0, %3 \n\t"
"xxlxor 32, 32, 32 \n\t"
"xxlxor 33, 33, 33 \n\t"
"xxlxor 34, 34, 34 \n\t"
"xxlxor 35, 35, 35 \n\t"
"xxlxor 36, 36, 36 \n\t"
"xxlxor 37, 37, 37 \n\t"
"xxlxor 38, 38, 38 \n\t"
"xxlxor 39, 39, 39 \n\t"
"lxvp 40, 0(%2) \n\t"
"lxvp 42, 32(%2) \n\t"
"lxvp 44, 64(%2) \n\t"
"lxvp 46, 96(%2) \n\t"
"lxvp 48, 0(%3) \n\t"
"lxvp 50, 32(%3) \n\t"
"lxvp 52, 64(%3) \n\t"
"lxvp 54, 96(%3) \n\t"
"xxperm 56, 48, %x7 \n\t"
"xxperm 57, 49, %x7 \n\t"
"xxperm 58, 50, %x7 \n\t"
"xxperm 59, 51, %x7 \n\t"
"xxperm 60, 52, %x7 \n\t"
"xxperm 61, 53, %x7 \n\t"
"xxperm 62, 54, %x7 \n\t"
"xxperm 63, 55, %x7 \n\t"
"addi %2, %2, 128 \n\t"
"addi %3, %3, 128 \n\t"
"addic. %1, %1, -16 \n\t"
"ble two%= \n\t"
".align 5 \n"
"one%=: \n\t"
"xvmaddasp 32, 40, 48 \n\t" // x0_r * y0_r , x0_i * y0_i
"xvmaddasp 34, 41, 49 \n\t" // x1_r * y1_r , x1_i * y1_i
"lxvp 48, 0(%3) \n\t"
"xvmaddasp 36, 42, 50 \n\t" // x2_r * y2_r , x2_i * y2_i
"xvmaddasp 38, 43, 51 \n\t" // x3_r * y3_r , x3_i * y3_i
"lxvp 50, 32(%3) \n\t"
"xvmaddasp 33, 40, 56 \n\t" // x0_r * y0_i , x0_i * y0_r
"xvmaddasp 35, 41, 57 \n\t" // x1_r * y1_i , x1_i * y1_r
"lxvp 40, 0(%2) \n\t"
"xvmaddasp 37, 42, 58 \n\t" // x2_r * y2_i , x2_i * y2_r
"xvmaddasp 39, 43, 59 \n\t" // x3_r * y3_i , x3_i * y3_r
"lxvp 42, 32(%2) \n\t"
"xxperm 56, 48, %x7 \n\t"
"xxperm 57, 49, %x7 \n\t"
"xxperm 58, 50, %x7 \n\t"
"xxperm 59, 51, %x7 \n\t"
"xvmaddasp 32, 44, 52 \n\t" // x0_r * y0_r , x0_i * y0_i
"xvmaddasp 34, 45, 53 \n\t" // x1_r * y1_r , x1_i * y1_i
"lxvp 52, 64(%3) \n\t"
"xvmaddasp 36, 46, 54 \n\t" // x2_r * y2_r , x2_i * y2_i
"xvmaddasp 38, 47, 55 \n\t" // x3_r * y3_r , x3_i * y3_i
"lxvp 54, 96(%3) \n\t"
"xvmaddasp 33, 44, 60 \n\t" // x0_r * y0_i , x0_i * y0_r
"xvmaddasp 35, 45, 61 \n\t" // x1_r * y1_i , x1_i * y1_r
"lxvp 44, 64(%2) \n\t"
"xvmaddasp 37, 46, 62 \n\t" // x2_r * y2_i , x2_i * y2_r
"xvmaddasp 39, 47, 63 \n\t" // x3_r * y3_i , x3_i * y3_r
"lxvp 46, 96(%2) \n\t"
"xxperm 60, 52, %x7 \n\t"
"xxperm 61, 53, %x7 \n\t"
"xxperm 62, 54, %x7 \n\t"
"xxperm 63, 55, %x7 \n\t"
"addi %2, %2, 128 \n\t"
"addi %3, %3, 128 \n\t"
"addic. %1, %1, -16 \n\t"
"bgt one%= \n"
"two%=: \n\t"
"xvmaddasp 32, 40, 48 \n\t" // x0_r * y0_r , x0_i * y0_i
"xvmaddasp 34, 41, 49 \n\t" // x1_r * y1_r , x1_i * y1_i
"xvmaddasp 36, 42, 50 \n\t" // x2_r * y2_r , x2_i * y2_i
"xvmaddasp 38, 43, 51 \n\t" // x3_r * y3_r , x3_i * y3_i
"xvmaddasp 33, 40, 56 \n\t" // x0_r * y0_i , x0_i * y0_r
"xvmaddasp 35, 41, 57 \n\t" // x1_r * y1_i , x1_i * y1_r
"xvmaddasp 37, 42, 58 \n\t" // x2_r * y2_i , x2_i * y2_r
"xvmaddasp 39, 43, 59 \n\t" // x3_r * y3_i , x3_i * y3_r
"xvmaddasp 32, 44, 52 \n\t" // x0_r * y0_r , x0_i * y0_i
"xvmaddasp 34, 45, 53 \n\t" // x1_r * y1_r , x1_i * y1_i
"xvmaddasp 36, 46, 54 \n\t" // x2_r * y2_r , x2_i * y2_i
"xvmaddasp 38, 47, 55 \n\t" // x3_r * y3_r , x3_i * y3_i
"xvmaddasp 33, 44, 60 \n\t" // x0_r * y0_i , x0_i * y0_r
"xvmaddasp 35, 45, 61 \n\t" // x1_r * y1_i , x1_i * y1_r
"xvmaddasp 37, 46, 62 \n\t" // x2_r * y2_i , x2_i * y2_r
"xvmaddasp 39, 47, 63 \n\t" // x3_r * y3_i , x3_i * y3_r
"xvaddsp 32, 32, 34 \n\t"
"xvaddsp 36, 36, 38 \n\t"
"xvaddsp 33, 33, 35 \n\t"
"xvaddsp 37, 37, 39 \n\t"
"xvaddsp 35, 32, 36 \n\t"
"xvaddsp 34, 33, 37 \n\t"
"xxswapd 32, 35 \n\t"
"xxswapd 33, 34 \n\t"
"xvaddsp 35, 35, 32 \n\t"
"xvaddsp 34, 34, 33 \n\t"
#if (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
"xxpermdi 34, 35, 34, 0 \n\t"
#else
"xxpermdi 34, 34, 35, 2 \n\t"
#endif
"stxv 34, 0(%6) \n\t"
"#n=%1 x=%4=%2 y=%5=%3 dot=%0=%6"
:
"=m" (*dot),
"+r" (n), // 1
"+b" (x), // 2
"+b" (y) // 3
:
"m" (*x),
"m" (*y),
"b" (dot), // 6
"wa" (mask)
:
"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"
);
}
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