224 lines
6.0 KiB
C
224 lines
6.0 KiB
C
/*******************************************************************************
|
|
Copyright (c) 2016, 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.
|
|
*******************************************************************************/
|
|
|
|
#include "common.h"
|
|
#include "macros_msa.h"
|
|
|
|
#if !defined(CONJ)
|
|
#define OP2 +=
|
|
#define OP3 -
|
|
#define OP4 +
|
|
#else
|
|
#define OP2 -=
|
|
#define OP3 +
|
|
#define OP4 -
|
|
#endif
|
|
|
|
#define DOT16_KERNEL(OPR0, OPR1) \
|
|
dot0 += (vx0r * vy0r); \
|
|
dot0 OPR0## = (vx0i * vy0i); \
|
|
dot1 OPR1## = (vx0i * vy0r); \
|
|
dot1 += (vx0r * vy0i); \
|
|
\
|
|
dot0 += (vx1r * vy1r); \
|
|
dot0 OPR0## = (vx1i * vy1i); \
|
|
dot1 OPR1## = (vx1i * vy1r); \
|
|
dot1 += (vx1r * vy1i); \
|
|
\
|
|
dot0 += (vx2r * vy2r); \
|
|
dot0 OPR0## = (vx2i * vy2i); \
|
|
dot1 OPR1## = (vx2i * vy2r); \
|
|
dot1 += (vx2r * vy2i); \
|
|
\
|
|
dot0 += (vx3r * vy3r); \
|
|
dot0 OPR0## = (vx3i * vy3i); \
|
|
dot1 OPR1## = (vx3i * vy3r); \
|
|
dot1 += (vx3r * vy3i);
|
|
|
|
#define DOT12_KERNEL(OPR0, OPR1) \
|
|
dot0 += (vx0r * vy0r); \
|
|
dot0 OPR0## = (vx0i * vy0i); \
|
|
dot1 OPR1## = (vx0i * vy0r); \
|
|
dot1 += (vx0r * vy0i); \
|
|
\
|
|
dot0 += (vx1r * vy1r); \
|
|
dot0 OPR0## = (vx1i * vy1i); \
|
|
dot1 OPR1## = (vx1i * vy1r); \
|
|
dot1 += (vx1r * vy1i); \
|
|
\
|
|
dot0 += (vx2r * vy2r); \
|
|
dot0 OPR0## = (vx2i * vy2i); \
|
|
dot1 OPR1## = (vx2i * vy2r); \
|
|
dot1 += (vx2r * vy2i);
|
|
|
|
#define DOT8_KERNEL(OPR0, OPR1) \
|
|
dot0 += (vx0r * vy0r); \
|
|
dot0 OPR0## = (vx0i * vy0i); \
|
|
dot1 OPR1## = (vx0i * vy0r); \
|
|
dot1 += (vx0r * vy0i); \
|
|
\
|
|
dot0 += (vx1r * vy1r); \
|
|
dot0 OPR0## = (vx1i * vy1i); \
|
|
dot1 OPR1## = (vx1i * vy1r); \
|
|
dot1 += (vx1r * vy1i);
|
|
|
|
#define DOT4_KERNEL(OPR0, OPR1) \
|
|
dot0 += (vx0r * vy0r); \
|
|
dot0 OPR0## = (vx0i * vy0i); \
|
|
dot1 OPR1## = (vx0i * vy0r); \
|
|
dot1 += (vx0r * vy0i);
|
|
|
|
/* return double, x,y double */
|
|
/* zdotc - CONJ */
|
|
/* zdotu - !CONJ */
|
|
|
|
OPENBLAS_COMPLEX_FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)
|
|
{
|
|
BLASLONG i = 0;
|
|
FLOAT dot[2];
|
|
BLASLONG inc_x2;
|
|
BLASLONG inc_y2;
|
|
v2f64 vx0, vx1, vx2, vx3, vx4, vx5, vx6, vx7;
|
|
v2f64 vy0, vy1, vy2, vy3, vy4, vy5, vy6, vy7;
|
|
v2f64 vx0r, vx0i, vx1r, vx1i, vx2r, vx2i, vx3r, vx3i;
|
|
v2f64 vy0r, vy0i, vy1r, vy1i, vy2r, vy2i, vy3r, vy3i;
|
|
v2f64 dot0 = {0, 0};
|
|
v2f64 dot1 = {0, 0};
|
|
v2f64 zero = {0, 0};
|
|
openblas_complex_double result;
|
|
|
|
dot[0] = 0.0;
|
|
dot[1] = 0.0;
|
|
|
|
__real__(result) = 0.0;
|
|
__imag__(result) = 0.0;
|
|
|
|
if ( n < 1 ) return(result);
|
|
|
|
inc_x2 = 2 * inc_x;
|
|
inc_y2 = 2 * inc_y;
|
|
|
|
for (i = (n >> 3); i--;)
|
|
{
|
|
LD_DP8_INC(x, inc_x2, vx0, vx1, vx2, vx3, vx4, vx5, vx6, vx7);
|
|
LD_DP8_INC(y, inc_y2, vy0, vy1, vy2, vy3, vy4, vy5, vy6, vy7);
|
|
|
|
PCKEVOD_D2_DP(vx1, vx0, vx0r, vx0i);
|
|
PCKEVOD_D2_DP(vx3, vx2, vx1r, vx1i);
|
|
PCKEVOD_D2_DP(vx5, vx4, vx2r, vx2i);
|
|
PCKEVOD_D2_DP(vx7, vx6, vx3r, vx3i);
|
|
|
|
PCKEVOD_D2_DP(vy1, vy0, vy0r, vy0i);
|
|
PCKEVOD_D2_DP(vy3, vy2, vy1r, vy1i);
|
|
PCKEVOD_D2_DP(vy5, vy4, vy2r, vy2i);
|
|
PCKEVOD_D2_DP(vy7, vy6, vy3r, vy3i);
|
|
|
|
#if !defined(CONJ)
|
|
DOT16_KERNEL(-, +);
|
|
#else
|
|
DOT16_KERNEL(+, -);
|
|
#endif
|
|
}
|
|
|
|
if (n & 7)
|
|
{
|
|
if ((n & 4) && (n & 2))
|
|
{
|
|
LD_DP4_INC(x, inc_x2, vx0, vx1, vx2, vx3);
|
|
LD_DP4_INC(y, inc_y2, vy0, vy1, vy2, vy3);
|
|
LD_DP2_INC(x, inc_x2, vx4, vx5);
|
|
LD_DP2_INC(y, inc_y2, vy4, vy5);
|
|
|
|
PCKEVOD_D2_DP(vx1, vx0, vx0r, vx0i);
|
|
PCKEVOD_D2_DP(vx3, vx2, vx1r, vx1i);
|
|
PCKEVOD_D2_DP(vx5, vx4, vx2r, vx2i);
|
|
|
|
PCKEVOD_D2_DP(vy1, vy0, vy0r, vy0i);
|
|
PCKEVOD_D2_DP(vy3, vy2, vy1r, vy1i);
|
|
PCKEVOD_D2_DP(vy5, vy4, vy2r, vy2i);
|
|
|
|
#if !defined(CONJ)
|
|
DOT12_KERNEL(-, +);
|
|
#else
|
|
DOT12_KERNEL(+, -);
|
|
#endif
|
|
}
|
|
else if (n & 4)
|
|
{
|
|
LD_DP4_INC(x, inc_x2, vx0, vx1, vx2, vx3);
|
|
LD_DP4_INC(y, inc_y2, vy0, vy1, vy2, vy3);
|
|
|
|
PCKEVOD_D2_DP(vx1, vx0, vx0r, vx0i);
|
|
PCKEVOD_D2_DP(vx3, vx2, vx1r, vx1i);
|
|
|
|
PCKEVOD_D2_DP(vy1, vy0, vy0r, vy0i);
|
|
PCKEVOD_D2_DP(vy3, vy2, vy1r, vy1i);
|
|
|
|
#if !defined(CONJ)
|
|
DOT8_KERNEL(-, +);
|
|
#else
|
|
DOT8_KERNEL(+, -);
|
|
#endif
|
|
}
|
|
else if (n & 2)
|
|
{
|
|
LD_DP2_INC(x, inc_x2, vx0, vx1);
|
|
LD_DP2_INC(y, inc_y2, vy0, vy1);
|
|
PCKEVOD_D2_DP(vx1, vx0, vx0r, vx0i);
|
|
PCKEVOD_D2_DP(vy1, vy0, vy0r, vy0i);
|
|
|
|
#if !defined(CONJ)
|
|
DOT4_KERNEL(-, +);
|
|
#else
|
|
DOT4_KERNEL(+, -);
|
|
#endif
|
|
}
|
|
|
|
if (n & 1)
|
|
{
|
|
vx0 = LD_DP(x);
|
|
vy0 = LD_DP(y);
|
|
PCKEVOD_D2_DP(zero, vx0, vx0r, vx0i);
|
|
PCKEVOD_D2_DP(zero, vy0, vy0r, vy0i);
|
|
|
|
#if !defined(CONJ)
|
|
DOT4_KERNEL(-, +);
|
|
#else
|
|
DOT4_KERNEL(+, -);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
dot[0] += (dot0[0] + dot0[1]);
|
|
dot[1] += (dot1[0] + dot1[1]);
|
|
|
|
__real__(result) = dot[0];
|
|
__imag__(result) = dot[1];
|
|
|
|
return(result);
|
|
}
|