136 lines
4.2 KiB
C
136 lines
4.2 KiB
C
/***************************************************************************
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Copyright (c) 2020, The OpenBLAS Project
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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3. Neither the name of the OpenBLAS project nor the names of
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its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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#define HAVE_KERNEL_16 1
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static float sdot_kernel_16 (long n, float *x, float *y)
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{
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float dot;
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__asm__
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(
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"dcbt 0, %2 \n\t"
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"dcbt 0, %3 \n\t"
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"xxlxor 32, 32, 32 \n\t"
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"xxlxor 33, 33, 33 \n\t"
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"xxlxor 34, 34, 34 \n\t"
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"xxlxor 35, 35, 35 \n\t"
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"xxlxor 36, 36, 36 \n\t"
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"xxlxor 37, 37, 37 \n\t"
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"xxlxor 38, 38, 38 \n\t"
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"xxlxor 39, 39, 39 \n\t"
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"lxvp 40, 0(%2) \n\t"
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"lxvp 42, 32(%2) \n\t"
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"lxvp 44, 64(%2) \n\t"
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"lxvp 46, 96(%2) \n\t"
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"lxvp 48, 0(%3) \n\t"
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"lxvp 50, 32(%3) \n\t"
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"lxvp 52, 64(%3) \n\t"
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"lxvp 54, 96(%3) \n\t"
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"addi %2, %2, 128 \n\t"
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"addi %3, %3, 128 \n\t"
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"addic. %1, %1, -32 \n\t"
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"ble two%= \n\t"
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".align 5 \n"
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"one%=: \n\t"
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"xvmaddasp 32, 40, 48 \n\t"
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"xvmaddasp 33, 41, 49 \n\t"
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"lxvp 40, 0(%2) \n\t"
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"lxvp 48, 0(%3) \n\t"
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"xvmaddasp 34, 42, 50 \n\t"
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"xvmaddasp 35, 43, 51 \n\t"
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"lxvp 42, 32(%2) \n\t"
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"lxvp 50, 32(%3) \n\t"
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"xvmaddasp 36, 44, 52 \n\t"
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"xvmaddasp 37, 45, 53 \n\t"
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"lxvp 44, 64(%2) \n\t"
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"lxvp 52, 64(%3) \n\t"
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"xvmaddasp 38, 46, 54 \n\t"
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"xvmaddasp 39, 47, 55 \n\t"
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"lxvp 46, 96(%2) \n\t"
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"lxvp 54, 96(%3) \n\t"
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"addi %2, %2, 128 \n\t"
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"addi %3, %3, 128 \n\t"
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"addic. %1, %1, -32 \n\t"
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"bgt one%= \n"
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"two%=: \n\t"
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"xvmaddasp 32, 40, 48 \n\t"
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"xvmaddasp 33, 41, 49 \n\t"
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"xvmaddasp 34, 42, 50 \n\t"
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"xvmaddasp 35, 43, 51 \n\t"
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"xvmaddasp 36, 44, 52 \n\t"
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"xvmaddasp 37, 45, 53 \n\t"
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"xvmaddasp 38, 46, 54 \n\t"
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"xvmaddasp 39, 47, 55 \n\t"
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"xvaddsp 32, 32, 33 \n\t"
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"xvaddsp 34, 34, 35 \n\t"
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"xvaddsp 36, 36, 37 \n\t"
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"xvaddsp 38, 38, 39 \n\t"
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"xvaddsp 32, 32, 34 \n\t"
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"xvaddsp 36, 36, 38 \n\t"
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"xvaddsp 32, 32, 36 \n\t"
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"xxsldwi 33, 32, 32, 2 \n\t"
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"xvaddsp 32, 32, 33 \n\t"
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"xxsldwi 33, 32, 32, 1 \n\t"
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"xvaddsp 32, 32, 33 \n\t"
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"xscvspdp %x0, 32 \n"
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"#dot=%0 n=%1 x=%4=%2 y=%5=%3\n"
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:
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"=f" (dot), // 0
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"+r" (n), // 1
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"+b" (x), // 2
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"+b" (y) // 3
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:
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"m" (*x),
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"m" (*y)
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:
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"cr0",
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"vs32","vs33","vs34","vs35","vs36","vs37","vs38","vs39",
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"vs40","vs41","vs42","vs43","vs44","vs45","vs46","vs47",
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"vs48","vs49","vs50","vs51","vs52","vs53","vs54","vs55"
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);
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return dot;
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}
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