91 lines
3.9 KiB
C
91 lines
3.9 KiB
C
/***************************************************************************
|
|
Copyright (c) 2013, 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.
|
|
*****************************************************************************/
|
|
#pragma GCC optimize "O1"
|
|
#include "common.h"
|
|
#if !defined(DOUBLE)
|
|
#define VSETVL(n) vsetvl_e32m4(n)
|
|
#define FLOAT_V_T vfloat32m4_t
|
|
#define VLSEV_FLOAT vlse32_v_f32m4
|
|
#define VSSEV_FLOAT vsse32_v_f32m4
|
|
#else
|
|
#define VSETVL(n) vsetvl_e64m4(n)
|
|
#define FLOAT_V_T vfloat64m4_t
|
|
#define VLSEV_FLOAT vlse64_v_f64m4
|
|
#define VSSEV_FLOAT vsse64_v_f64m4
|
|
#endif
|
|
|
|
|
|
int CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)
|
|
{
|
|
BLASLONG i = 0, j = 0;
|
|
BLASLONG ix = 0,iy = 0;
|
|
if(n < 0) return(0);
|
|
|
|
unsigned int gvl = 0;
|
|
if(inc_x == 1 && inc_y == 1){
|
|
memcpy(&y[0], &x[0], n * 2 * sizeof(FLOAT));
|
|
}else{
|
|
FLOAT_V_T vx0, vx1, vx2, vx3;
|
|
gvl = VSETVL(n);
|
|
BLASLONG stride_x = inc_x * 2 * sizeof(FLOAT);
|
|
BLASLONG stride_y = inc_y * 2 * sizeof(FLOAT);
|
|
if(gvl <= n/2){
|
|
BLASLONG inc_xv = inc_x * gvl * 2;
|
|
BLASLONG inc_yv = inc_y * gvl * 2;
|
|
for(i=0,j=0; i < n/(2*gvl); i++){
|
|
vx0 = VLSEV_FLOAT(&x[ix], stride_x, gvl);
|
|
vx1 = VLSEV_FLOAT(&x[ix+1], stride_x, gvl);
|
|
VSSEV_FLOAT(&y[iy], stride_y, vx0, gvl);
|
|
VSSEV_FLOAT(&y[iy+1], stride_y, vx1, gvl);
|
|
|
|
vx2 = VLSEV_FLOAT(&x[ix+inc_xv], stride_x, gvl);
|
|
vx3 = VLSEV_FLOAT(&x[ix+1+inc_xv], stride_x, gvl);
|
|
VSSEV_FLOAT(&y[iy+inc_yv], stride_y, vx2, gvl);
|
|
VSSEV_FLOAT(&y[iy+1+inc_yv], stride_y, vx3, gvl);
|
|
|
|
j += gvl * 2;
|
|
ix += inc_xv * 2;
|
|
iy += inc_yv * 2;
|
|
}
|
|
}
|
|
for(;j<n;){
|
|
gvl = VSETVL(n-j);
|
|
vx0 = VLSEV_FLOAT(&x[ix], stride_x, gvl);
|
|
vx1 = VLSEV_FLOAT(&x[ix+1], stride_x, gvl);
|
|
VSSEV_FLOAT(&y[iy], stride_y, vx0, gvl);
|
|
VSSEV_FLOAT(&y[iy+1], stride_y, vx1, gvl);
|
|
|
|
j += gvl;
|
|
ix += inc_x * 2 * gvl;
|
|
iy += inc_y * 2 * gvl;
|
|
}
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
|