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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_8 1
-
- static void daxpy_kernel_8 (long n, double *x, double *y, double alpha)
- {
- __vector double t0;
-
- __asm__
- (
- XXSPLTD_S(%x4,%x6,0)
-
- "dcbt 0, %2 \n\t"
- "dcbt 0, %3 \n\t"
-
- "lxvp 32, 0(%2) \n\t"
- "lxvp 34, 32(%2) \n\t"
- "lxvp 40, 64(%2) \n\t"
- "lxvp 42, 96(%2) \n\t"
-
- "lxvp 36, 0(%3) \n\t"
- "lxvp 38, 32(%3) \n\t"
- "lxvp 44, 64(%3) \n\t"
- "lxvp 46, 96(%3) \n\t"
-
- "addi %2, %2, 128 \n\t"
-
- "addic. %1, %1, -16 \n\t"
- "ble two%= \n\t"
-
- ".align 5 \n"
- "one%=: \n\t"
-
- "xvmaddadp 36, 32, %x4 \n\t"
- "xvmaddadp 37, 33, %x4 \n\t"
-
- "lxvp 32, 0(%2) \n\t"
- "stxvp 36, 0(%3) \n\t"
-
- "xvmaddadp 38, 34, %x4 \n\t"
- "xvmaddadp 39, 35, %x4 \n\t"
-
- "lxvp 34, 32(%2) \n\t"
- "stxvp 38, 32(%3) \n\t"
-
-
- "lxvp 36, 128(%3) \n\t"
- "lxvp 38, 160(%3) \n\t"
-
- "xvmaddadp 44, 40, %x4 \n\t"
- "xvmaddadp 45, 41, %x4 \n\t"
-
- "lxvp 40, 64(%2) \n\t"
- "stxvp 44, 64(%3) \n\t"
-
- "xvmaddadp 46, 42, %x4 \n\t"
- "xvmaddadp 47, 43, %x4 \n\t"
-
- "lxvp 42, 96(%2) \n\t"
- "stxvp 46, 96(%3) \n\t"
-
- "addi %2, %2, 128 \n\t"
- "addi %3, %3, 128 \n\t"
-
- "lxvp 44, 64(%3) \n\t"
- "lxvp 46, 96(%3) \n\t"
-
- "addic. %1, %1, -16 \n\t"
- "bgt one%= \n"
-
- "two%=: \n\t"
-
- "xvmaddadp 36, 32, %x4 \n\t"
- "xvmaddadp 37, 33, %x4 \n\t"
- "xvmaddadp 38, 34, %x4 \n\t"
- "xvmaddadp 39, 35, %x4 \n\t"
-
- "xvmaddadp 44, 40, %x4 \n\t"
- "xvmaddadp 45, 41, %x4 \n\t"
- "xvmaddadp 46, 42, %x4 \n\t"
- "xvmaddadp 47, 43, %x4 \n\t"
-
- "stxvp 36, 0(%3) \n\t"
- "stxvp 38, 32(%3) \n\t"
- "stxvp 44, 64(%3) \n\t"
- "stxvp 46, 96(%3) \n\t"
-
- "#n=%1 x=%5=%2 y=%0=%3 alpha=%6 t0=%x4\n"
- :
- "+m" (*y),
- "+r" (n), // 1
- "+b" (x), // 2
- "+b" (y), // 3
- "=wa" (t0) // 4
- :
- "m" (*x),
- "d" (alpha) // 6
- :
- "cr0",
- "vs32","vs33","vs34","vs35","vs36","vs37", "vs38", "vs39",
- "vs40","vs41","vs42","vs43","vs44","vs45","vs46","vs47"
- );
-
- }
-
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