/*************************************************************************** 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_8 1 static double ddot_kernel_8 (long n, double *x, double *y) { double dot; __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" "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" "xvmaddadp 32, 40, 48 \n\t" "xvmaddadp 33, 41, 49 \n\t" "lxvp 40, 0(%2) \n\t" "lxvp 48, 0(%3) \n\t" "xvmaddadp 34, 42, 50 \n\t" "xvmaddadp 35, 43, 51 \n\t" "lxvp 42, 32(%2) \n\t" "lxvp 50, 32(%3) \n\t" "xvmaddadp 36, 44, 52 \n\t" "xvmaddadp 37, 45, 53 \n\t" "lxvp 44, 64(%2) \n\t" "lxvp 52, 64(%3) \n\t" "xvmaddadp 38, 46, 54 \n\t" "xvmaddadp 39, 47, 55 \n\t" "lxvp 46, 96(%2) \n\t" "lxvp 54, 96(%3) \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" "xvmaddadp 32, 40, 48 \n\t" "xvmaddadp 33, 41, 49 \n\t" "xvmaddadp 34, 42, 50 \n\t" "xvmaddadp 35, 43, 51 \n\t" "xvmaddadp 36, 44, 52 \n\t" "xvmaddadp 37, 45, 53 \n\t" "xvmaddadp 38, 46, 54 \n\t" "xvmaddadp 39, 47, 55 \n\t" "xvadddp 32, 32, 33 \n\t" "xvadddp 34, 34, 35 \n\t" "xvadddp 36, 36, 37 \n\t" "xvadddp 38, 38, 39 \n\t" "xvadddp 32, 32, 34 \n\t" "xvadddp 36, 36, 38 \n\t" "xvadddp 32, 32, 36 \n\t" XXSWAPD_S(33,32) "xsadddp %x0, 32, 33 \n" "#dot=%0 n=%1 x=%4=%2 y=%5=%3\n" : "=d" (dot), // 0 "+r" (n), // 1 "+b" (x), // 2 "+b" (y) // 3 : "m" (*x), "m" (*y) : "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" ); return dot; }