80 lines
3.2 KiB
C
80 lines
3.2 KiB
C
/***************************************************************************
|
|
Copyright (c) 2014, 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( BLASLONG n, FLOAT *x, FLOAT *y , FLOAT *alpha) __attribute__ ((noinline));
|
|
|
|
static void daxpy_kernel_8( BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *alpha)
|
|
{
|
|
|
|
|
|
BLASLONG register i = 0;
|
|
|
|
__asm__ __volatile__
|
|
(
|
|
"vbroadcastsd (%4), %%ymm0 \n\t" // alpha
|
|
|
|
".p2align 4 \n\t"
|
|
"1: \n\t"
|
|
|
|
"vmovups (%3,%0,8), %%ymm12 \n\t" // 4 * y
|
|
"vmovups 32(%3,%0,8), %%ymm13 \n\t" // 4 * y
|
|
"vmovups 64(%3,%0,8), %%ymm14 \n\t" // 4 * y
|
|
"vmovups 96(%3,%0,8), %%ymm15 \n\t" // 4 * y
|
|
"vfmadd231pd (%2,%0,8), %%ymm0 , %%ymm12 \n\t" // y += alpha * x
|
|
"vfmadd231pd 32(%2,%0,8), %%ymm0 , %%ymm13 \n\t" // y += alpha * x
|
|
"vfmadd231pd 64(%2,%0,8), %%ymm0 , %%ymm14 \n\t" // y += alpha * x
|
|
"vfmadd231pd 96(%2,%0,8), %%ymm0 , %%ymm15 \n\t" // y += alpha * x
|
|
"vmovups %%ymm12, (%3,%0,8) \n\t"
|
|
"vmovups %%ymm13, 32(%3,%0,8) \n\t"
|
|
"vmovups %%ymm14, 64(%3,%0,8) \n\t"
|
|
"vmovups %%ymm15, 96(%3,%0,8) \n\t"
|
|
|
|
"addq $16, %0 \n\t"
|
|
"subq $16, %1 \n\t"
|
|
"jnz 1b \n\t"
|
|
"vzeroupper \n\t"
|
|
|
|
:
|
|
"+r" (i), // 0
|
|
"+r" (n) // 1
|
|
:
|
|
"r" (x), // 2
|
|
"r" (y), // 3
|
|
"r" (alpha) // 4
|
|
: "cc",
|
|
"%xmm0", "%xmm1", "%xmm2", "%xmm3",
|
|
"%xmm4", "%xmm5", "%xmm6", "%xmm7",
|
|
"%xmm8", "%xmm9", "%xmm10", "%xmm11",
|
|
"%xmm12", "%xmm13", "%xmm14", "%xmm15",
|
|
"memory"
|
|
);
|
|
|
|
}
|
|
|
|
|