OpenBLAS/kernel/mips/zscal_msa.c

714 lines
28 KiB
C

/*******************************************************************************
Copyright (c) 2017, 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"
/* This will shuffle the elements in 'in' vector as (mask needed :: 01 00 11 10)
0 1 2 3 => 2 3 0 1 */
#define SHF_78 78
int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da_r, FLOAT da_i,
FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT *dummy,
BLASLONG dummy2)
{
BLASLONG i, inc_x2;
FLOAT *px;
FLOAT tp0, tp1, f0, f1;
v2f64 x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15;
v2f64 d0, d1, d2, d3, d4, d5, d6, d7, d8, d9, d10, d11, d12, d13, d14, d15;
v2f64 da_i_vec, da_i_vec_neg, da_r_vec;
px = x;
if (1 == inc_x)
{
if ((0.0 == da_r) && (0.0 == da_i))
{
v2f64 zero_v = {0.0, 0.0};
for (i = (n >> 4); i--;)
{
ST_DP8_INC(zero_v, zero_v, zero_v, zero_v, zero_v, zero_v,
zero_v, zero_v, x, 2);
ST_DP8_INC(zero_v, zero_v, zero_v, zero_v, zero_v, zero_v,
zero_v, zero_v, x, 2);
}
if (n & 15)
{
if (n & 8)
{
ST_DP8_INC(zero_v, zero_v, zero_v, zero_v, zero_v, zero_v,
zero_v, zero_v, x, 2);
}
if (n & 4)
{
ST_DP4_INC(zero_v, zero_v, zero_v, zero_v, x, 2);
}
if (n & 2)
{
ST_DP2_INC(zero_v, zero_v, x, 2);
}
if (n & 1)
{
ST_DP(zero_v, x);
}
}
}
else if (0.0 == da_r)
{
da_i_vec = COPY_DOUBLE_TO_VECTOR(da_i);
da_i_vec_neg = -da_i_vec;
da_i_vec = (v2f64) __msa_ilvev_d((v2i64) da_i_vec_neg, (v2i64) da_i_vec);
if (n > 15)
{
FLOAT *x_pref;
BLASLONG pref_offset;
pref_offset = (BLASLONG)x & (L1_DATA_LINESIZE - 1);
if (pref_offset > 0)
{
pref_offset = L1_DATA_LINESIZE - pref_offset;
pref_offset = pref_offset / sizeof(FLOAT);
}
x_pref = x + pref_offset + 32 + 16;
LD_DP8_INC(px, 2, x0, x1, x2, x3, x4, x5, x6, x7);
for (i = (n >> 4)- 1; i--;)
{
PREF_OFFSET(x_pref, 0);
PREF_OFFSET(x_pref, 32);
PREF_OFFSET(x_pref, 64);
PREF_OFFSET(x_pref, 96);
PREF_OFFSET(x_pref, 128);
PREF_OFFSET(x_pref, 160);
PREF_OFFSET(x_pref, 192);
PREF_OFFSET(x_pref, 224);
x_pref += 32;
x8 = LD_DP(px); px += 2;
x0 *= da_i_vec;
x9 = LD_DP(px); px += 2;
x1 *= da_i_vec;
x10 = LD_DP(px); px += 2;
x2 *= da_i_vec;
x11 = LD_DP(px); px += 2;
x3 *= da_i_vec;
x12 = LD_DP(px); px += 2;
x4 *= da_i_vec;
x13 = LD_DP(px); px += 2;
x5 *= da_i_vec;
x0 = (v2f64) __msa_shf_w((v4i32) x0, SHF_78);
x14 = LD_DP(px); px += 2;
x6 *= da_i_vec;
x1 = (v2f64) __msa_shf_w((v4i32) x1, SHF_78);
x15 = LD_DP(px); px += 2;
x7 *= da_i_vec;
x2 = (v2f64) __msa_shf_w((v4i32) x2, SHF_78);
x8 *= da_i_vec;
x3 = (v2f64) __msa_shf_w((v4i32) x3, SHF_78);
ST_DP(x0, x); x += 2;
x9 *= da_i_vec;
x4 = (v2f64) __msa_shf_w((v4i32) x4, SHF_78);
ST_DP(x1, x); x += 2;
x10 *= da_i_vec;
x5 = (v2f64) __msa_shf_w((v4i32) x5, SHF_78);
ST_DP(x2, x); x += 2;
x11 *= da_i_vec;
x6 = (v2f64) __msa_shf_w((v4i32) x6, SHF_78);
ST_DP(x3, x); x += 2;
x12 *= da_i_vec;
x7 = (v2f64) __msa_shf_w((v4i32) x7, SHF_78);
ST_DP(x4, x); x += 2;
x13 *= da_i_vec;
x8 = (v2f64) __msa_shf_w((v4i32) x8, SHF_78);
ST_DP(x5, x); x += 2;
x14 *= da_i_vec;
x9 = (v2f64) __msa_shf_w((v4i32) x9, SHF_78);
ST_DP(x6, x); x += 2;
x15 *= da_i_vec;
x10 = (v2f64) __msa_shf_w((v4i32) x10, SHF_78);
ST_DP(x7, x); x += 2;
x11 = (v2f64) __msa_shf_w((v4i32) x11, SHF_78);
ST_DP(x8, x); x += 2;
x0 = LD_DP(px); px += 2;
x12 = (v2f64) __msa_shf_w((v4i32) x12, SHF_78);
ST_DP(x9, x); x += 2;
x1 = LD_DP(px); px += 2;
x13 = (v2f64) __msa_shf_w((v4i32) x13, SHF_78);
ST_DP(x10, x); x += 2;
x2 = LD_DP(px); px += 2;
x14 = (v2f64) __msa_shf_w((v4i32) x14, SHF_78);
ST_DP(x11, x); x += 2;
x3 = LD_DP(px); px += 2;
x15 = (v2f64) __msa_shf_w((v4i32) x15, SHF_78);
ST_DP(x12, x); x += 2;
x4 = LD_DP(px); px += 2;
ST_DP(x13, x); x += 2;
x5 = LD_DP(px); px += 2;
ST_DP(x14, x); x += 2;
x6 = LD_DP(px); px += 2;
ST_DP(x15, x); x += 2;
x7 = LD_DP(px); px += 2;
}
LD_DP8_INC(px, 2, x8, x9, x10, x11, x12, x13, x14, x15);
MUL4(x0, da_i_vec, x1, da_i_vec, x2, da_i_vec, x3, da_i_vec,
x0, x1, x2, x3);
MUL4(x4, da_i_vec, x5, da_i_vec, x6, da_i_vec, x7, da_i_vec,
x4, x5, x6, x7);
MUL4(x8, da_i_vec, x9, da_i_vec, x10, da_i_vec, x11, da_i_vec,
x8, x9, x10, x11);
MUL4(x12, da_i_vec, x13, da_i_vec, x14, da_i_vec, x15, da_i_vec,
x12, x13, x14, x15);
SHF_W4_DP(x0, x1, x2, x3, x0, x1, x2, x3, SHF_78);
SHF_W4_DP(x4, x5, x6, x7, x4, x5, x6, x7, SHF_78);
SHF_W4_DP(x8, x9, x10, x11, x8, x9, x10, x11, SHF_78);
SHF_W4_DP(x12, x13, x14, x15, x12, x13, x14, x15, SHF_78);
ST_DP16_INC(x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11,
x12, x13, x14, x15, x, 2);
}
if (n & 15)
{
if (n & 8)
{
LD_DP8_INC(px, 2, x0, x1, x2, x3, x4, x5, x6, x7);
MUL4(x0, da_i_vec, x1, da_i_vec, x2, da_i_vec, x3, da_i_vec,
x0, x1, x2, x3);
MUL4(x4, da_i_vec, x5, da_i_vec, x6, da_i_vec, x7, da_i_vec,
x4, x5, x6, x7);
SHF_W4_DP(x0, x1, x2, x3, x0, x1, x2, x3, SHF_78);
SHF_W4_DP(x4, x5, x6, x7, x4, x5, x6, x7, SHF_78);
ST_DP8_INC(x0, x1, x2, x3, x4, x5, x6, x7, x, 2);
}
if (n & 4)
{
LD_DP4_INC(px, 2, x0, x1, x2, x3);
MUL4(x0, da_i_vec, x1, da_i_vec, x2, da_i_vec, x3, da_i_vec,
x0, x1, x2, x3);
SHF_W4_DP(x0, x1, x2, x3, x0, x1, x2, x3, SHF_78);
ST_DP4_INC(x0, x1, x2, x3, x, 2);
}
if (n & 2)
{
LD_DP2_INC(px, 2, x0, x1);
MUL2(x0, da_i_vec, x1, da_i_vec, x0, x1);
SHF_W2_DP(x0, x1, x0, x1, SHF_78);
ST_DP2_INC(x0, x1, x, 2);
}
if (n & 1)
{
LD_GP2_INC(px, 1, f0, f1);
MUL2(f0, da_i, f1, -da_i, f0, f1);
ST_GP2_INC(f1, f0, x, 1);
}
}
}
else if (0.0 == da_i)
{
da_r_vec = COPY_DOUBLE_TO_VECTOR(da_r);
if (n > 15)
{
FLOAT *x_pref;
BLASLONG pref_offset;
pref_offset = (BLASLONG)x & (L1_DATA_LINESIZE - 1);
if (pref_offset > 0)
{
pref_offset = L1_DATA_LINESIZE - pref_offset;
pref_offset = pref_offset / sizeof(FLOAT);
}
x_pref = x + pref_offset + 32 + 16;
LD_DP8_INC(px, 2, x0, x1, x2, x3, x4, x5, x6, x7);
for (i = (n >> 4)- 1; i--;)
{
PREF_OFFSET(x_pref, 0);
PREF_OFFSET(x_pref, 32);
PREF_OFFSET(x_pref, 64);
PREF_OFFSET(x_pref, 96);
PREF_OFFSET(x_pref, 128);
PREF_OFFSET(x_pref, 160);
PREF_OFFSET(x_pref, 192);
PREF_OFFSET(x_pref, 224);
x_pref += 32;
x8 = LD_DP(px); px += 2;
x0 *= da_r_vec;
x9 = LD_DP(px); px += 2;
x1 *= da_r_vec;
x10 = LD_DP(px); px += 2;
x2 *= da_r_vec;
x11 = LD_DP(px); px += 2;
x3 *= da_r_vec;
x12 = LD_DP(px); px += 2;
x4 *= da_r_vec;
x13 = LD_DP(px); px += 2;
x5 *= da_r_vec;
ST_DP(x0, x); x += 2;
x14 = LD_DP(px); px += 2;
x6 *= da_r_vec;
ST_DP(x1, x); x += 2;
x15 = LD_DP(px); px += 2;
x7 *= da_r_vec;
ST_DP(x2, x); x += 2;
x8 *= da_r_vec;
ST_DP(x3, x); x += 2;
x9 *= da_r_vec;
ST_DP(x4, x); x += 2;
x10 *= da_r_vec;
ST_DP(x5, x); x += 2;
x11 *= da_r_vec;
ST_DP(x6, x); x += 2;
x12 *= da_r_vec;
ST_DP(x7, x); x += 2;
x13 *= da_r_vec;
ST_DP(x8, x); x += 2;
x0 = LD_DP(px); px += 2;
x14 *= da_r_vec;
ST_DP(x9, x); x += 2;
x1 = LD_DP(px); px += 2;
x15 *= da_r_vec;
ST_DP(x10, x); x += 2;
x2 = LD_DP(px); px += 2;
ST_DP(x11, x); x += 2;
x3 = LD_DP(px); px += 2;
ST_DP(x12, x); x += 2;
x4 = LD_DP(px); px += 2;
ST_DP(x13, x); x += 2;
x5 = LD_DP(px); px += 2;
ST_DP(x14, x); x += 2;
x6 = LD_DP(px); px += 2;
ST_DP(x15, x); x += 2;
x7 = LD_DP(px); px += 2;
}
LD_DP8_INC(px, 2, x8, x9, x10, x11, x12, x13, x14, x15);
MUL4(x0, da_r_vec, x1, da_r_vec, x2, da_r_vec, x3, da_r_vec,
x0, x1, x2, x3);
MUL4(x4, da_r_vec, x5, da_r_vec, x6, da_r_vec, x7, da_r_vec,
x4, x5, x6, x7);
MUL4(x8, da_r_vec, x9, da_r_vec, x10, da_r_vec, x11, da_r_vec,
x8, x9, x10, x11);
MUL4(x12, da_r_vec, x13, da_r_vec, x14, da_r_vec, x15, da_r_vec,
x12, x13, x14, x15);
ST_DP16_INC(x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11,
x12, x13, x14, x15, x, 2);
}
if (n & 15)
{
if (n & 8)
{
LD_DP8_INC(px, 2, x0, x1, x2, x3, x4, x5, x6, x7);
MUL4(x0, da_r_vec, x1, da_r_vec, x2, da_r_vec, x3, da_r_vec,
x0, x1, x2, x3);
MUL4(x4, da_r_vec, x5, da_r_vec, x6, da_r_vec, x7, da_r_vec,
x4, x5, x6, x7);
ST_DP8_INC(x0, x1, x2, x3, x4, x5, x6, x7, x, 2);
}
if (n & 4)
{
LD_DP4_INC(px, 2, x0, x1, x2, x3);
MUL4(x0, da_r_vec, x1, da_r_vec, x2, da_r_vec, x3, da_r_vec,
x0, x1, x2, x3);
ST_DP4_INC(x0, x1, x2, x3, x, 2);
}
if (n & 2)
{
LD_DP2_INC(px, 2, x0, x1);
MUL2(x0, da_r_vec, x1, da_r_vec, x0, x1);
ST_DP2_INC(x0, x1, x, 2);
}
if (n & 1)
{
LD_GP2_INC(px, 1, f0, f1);
MUL2(f0, da_r, f1, da_r, f0, f1);
ST_GP2_INC(f0, f1, x, 1);
}
}
}
else
{
FLOAT *x_pref;
BLASLONG pref_offset;
pref_offset = (BLASLONG)x & (L1_DATA_LINESIZE - 1);
if (pref_offset > 0)
{
pref_offset = L1_DATA_LINESIZE - pref_offset;
pref_offset = pref_offset / sizeof(FLOAT);
}
x_pref = x + pref_offset + 32;
da_i_vec = COPY_DOUBLE_TO_VECTOR(da_i);
da_i_vec_neg = -da_i_vec;
da_i_vec = (v2f64) __msa_ilvev_d((v2i64) da_i_vec_neg, (v2i64) da_i_vec);
da_r_vec = COPY_DOUBLE_TO_VECTOR(da_r);
for (i = (n >> 4); i--;)
{
PREF_OFFSET(x_pref, 0);
PREF_OFFSET(x_pref, 32);
PREF_OFFSET(x_pref, 64);
PREF_OFFSET(x_pref, 96);
PREF_OFFSET(x_pref, 128);
PREF_OFFSET(x_pref, 160);
PREF_OFFSET(x_pref, 192);
PREF_OFFSET(x_pref, 224);
x_pref += 32;
LD_DP16_INC(px, 2, x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10,
x11, x12, x13, x14, x15);
MUL4(x0, da_i_vec, x1, da_i_vec, x2, da_i_vec, x3, da_i_vec,
d0, d1, d2, d3);
MUL4(x4, da_i_vec, x5, da_i_vec, x6, da_i_vec, x7, da_i_vec,
d4, d5, d6, d7);
MUL4(x8, da_i_vec, x9, da_i_vec, x10, da_i_vec, x11, da_i_vec,
d8, d9, d10, d11);
MUL4(x12, da_i_vec, x13, da_i_vec, x14, da_i_vec, x15, da_i_vec,
d12, d13, d14, d15);
SHF_W4_DP(d0, d1, d2, d3, d0, d1, d2, d3, SHF_78);
SHF_W4_DP(d4, d5, d6, d7, d4, d5, d6, d7, SHF_78);
SHF_W4_DP(d8, d9, d10, d11, d8, d9, d10, d11, SHF_78);
SHF_W4_DP(d12, d13, d14, d15, d12, d13, d14, d15, SHF_78);
FMADD4(x0, x1, x2, x3, da_r_vec, d0, d1, d2, d3);
FMADD4(x4, x5, x6, x7, da_r_vec, d4, d5, d6, d7);
FMADD4(x8, x9, x10, x11, da_r_vec, d8, d9, d10, d11);
FMADD4(x12, x13, x14, x15, da_r_vec, d12, d13, d14, d15);
ST_DP16_INC(d0, d1, d2, d3, d4, d5, d6, d7, d8, d9, d10, d11,
d12, d13, d14, d15, x, 2);
}
if (n & 15)
{
if (n & 8)
{
LD_DP8_INC(px, 2, x0, x1, x2, x3, x4, x5, x6, x7);
MUL4(x0, da_i_vec, x1, da_i_vec, x2, da_i_vec, x3, da_i_vec,
d0, d1, d2, d3);
MUL4(x4, da_i_vec, x5, da_i_vec, x6, da_i_vec, x7, da_i_vec,
d4, d5, d6, d7);
SHF_W4_DP(d0, d1, d2, d3, d0, d1, d2, d3, SHF_78);
SHF_W4_DP(d4, d5, d6, d7, d4, d5, d6, d7, SHF_78);
FMADD4(x0, x1, x2, x3, da_r_vec, d0, d1, d2, d3);
FMADD4(x4, x5, x6, x7, da_r_vec, d4, d5, d6, d7);
ST_DP8_INC(d0, d1, d2, d3, d4, d5, d6, d7, x, 2);
}
if (n & 4)
{
LD_DP4_INC(px, 2, x0, x1, x2, x3);
MUL4(x0, da_i_vec, x1, da_i_vec, x2, da_i_vec, x3, da_i_vec,
d0, d1, d2, d3);
SHF_W4_DP(d0, d1, d2, d3, d0, d1, d2, d3, SHF_78);
FMADD4(x0, x1, x2, x3, da_r_vec, d0, d1, d2, d3);
ST_DP4_INC(d0, d1, d2, d3, x, 2);
}
if (n & 2)
{
LD_DP2_INC(px, 2, x0, x1);
MUL2(x0, da_i_vec, x1, da_i_vec, d0, d1);
SHF_W2_DP(d0, d1, d0, d1, SHF_78);
FMADD2(x0, x1, da_r_vec, d0, d1);
ST_DP2_INC(d0, d1, x, 2);
}
if (n & 1)
{
LD_GP2_INC(px, 1, f0, f1);
tp0 = da_r * f0;
tp0 -= da_i * f1;
tp1 = da_r * f1;
tp1 += da_i * f0;
ST_GP2_INC(tp0, tp1, x, 1);
}
}
}
}
else
{
inc_x2 = 2 * inc_x;
if ((0.0 == da_r) && (0.0 == da_i))
{
v2f64 zero_v = {0.0, 0.0};
for (i = (n >> 4); i--;)
{
ST_DP8_INC(zero_v, zero_v, zero_v, zero_v, zero_v, zero_v,
zero_v, zero_v, x, inc_x2);
ST_DP8_INC(zero_v, zero_v, zero_v, zero_v, zero_v, zero_v,
zero_v, zero_v, x, inc_x2);
}
if (n & 15)
{
if (n & 8)
{
ST_DP8_INC(zero_v, zero_v, zero_v, zero_v, zero_v, zero_v,
zero_v, zero_v, x, inc_x2);
}
if (n & 4)
{
ST_DP4_INC(zero_v, zero_v, zero_v, zero_v, x, inc_x2);
}
if (n & 2)
{
ST_DP2_INC(zero_v, zero_v, x, inc_x2);
}
if (n & 1)
{
ST_DP(zero_v, x);
}
}
}
else if (0.0 == da_r)
{
da_i_vec = COPY_DOUBLE_TO_VECTOR(da_i);
da_i_vec_neg = -da_i_vec;
da_i_vec = (v2f64) __msa_ilvev_d((v2i64) da_i_vec_neg, (v2i64) da_i_vec);
for (i = (n >> 4); i--;)
{
LD_DP16_INC(px, inc_x2, x0, x1, x2, x3, x4, x5, x6, x7, x8, x9,
x10, x11, x12, x13, x14, x15);
MUL4(x0, da_i_vec, x1, da_i_vec, x2, da_i_vec, x3, da_i_vec,
x0, x1, x2, x3);
MUL4(x4, da_i_vec, x5, da_i_vec, x6, da_i_vec, x7, da_i_vec,
x4, x5, x6, x7);
MUL4(x8, da_i_vec, x9, da_i_vec, x10, da_i_vec, x11, da_i_vec,
x8, x9, x10, x11);
MUL4(x12, da_i_vec, x13, da_i_vec, x14, da_i_vec, x15, da_i_vec,
x12, x13, x14, x15);
SHF_W4_DP(x0, x1, x2, x3, x0, x1, x2, x3, SHF_78);
SHF_W4_DP(x4, x5, x6, x7, x4, x5, x6, x7, SHF_78);
SHF_W4_DP(x8, x9, x10, x11, x8, x9, x10, x11, SHF_78);
SHF_W4_DP(x12, x13, x14, x15, x12, x13, x14, x15, SHF_78);
ST_DP16_INC(x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11,
x12, x13, x14, x15, x, inc_x2);
}
if (n & 15)
{
if (n & 8)
{
LD_DP8_INC(px, inc_x2, x0, x1, x2, x3, x4, x5, x6, x7);
MUL4(x0, da_i_vec, x1, da_i_vec, x2, da_i_vec, x3, da_i_vec,
x0, x1, x2, x3);
MUL4(x4, da_i_vec, x5, da_i_vec, x6, da_i_vec, x7, da_i_vec,
x4, x5, x6, x7);
SHF_W4_DP(x0, x1, x2, x3, x0, x1, x2, x3, SHF_78);
SHF_W4_DP(x4, x5, x6, x7, x4, x5, x6, x7, SHF_78);
ST_DP8_INC(x0, x1, x2, x3, x4, x5, x6, x7, x, inc_x2);
}
if (n & 4)
{
LD_DP4_INC(px, inc_x2, x0, x1, x2, x3);
MUL4(x0, da_i_vec, x1, da_i_vec, x2, da_i_vec, x3, da_i_vec,
x0, x1, x2, x3);
SHF_W4_DP(x0, x1, x2, x3, x0, x1, x2, x3, SHF_78);
ST_DP4_INC(x0, x1, x2, x3, x, inc_x2);
}
if (n & 2)
{
LD_DP2_INC(px, inc_x2, x0, x1);
MUL2(x0, da_i_vec, x1, da_i_vec, x0, x1);
SHF_W2_DP(x0, x1, x0, x1, SHF_78);
ST_DP2_INC(x0, x1, x, inc_x2);
}
if (n & 1)
{
LD_GP2_INC(px, 1, f0, f1);
MUL2(f0, da_i, f1, -da_i, f0, f1);
ST_GP2_INC(f1, f0, x, 1);
}
}
}
else if (0.0 == da_i)
{
da_r_vec = COPY_DOUBLE_TO_VECTOR(da_r);
for (i = (n >> 4); i--;)
{
LD_DP16_INC(px, inc_x2, x0, x1, x2, x3, x4, x5, x6, x7, x8, x9,
x10, x11, x12, x13, x14, x15);
MUL4(x0, da_r_vec, x1, da_r_vec, x2, da_r_vec, x3, da_r_vec,
x0, x1, x2, x3);
MUL4(x4, da_r_vec, x5, da_r_vec, x6, da_r_vec, x7, da_r_vec,
x4, x5, x6, x7);
MUL4(x8, da_r_vec, x9, da_r_vec, x10, da_r_vec, x11, da_r_vec,
x8, x9, x10, x11);
MUL4(x12, da_r_vec, x13, da_r_vec, x14, da_r_vec, x15, da_r_vec,
x12, x13, x14, x15);
ST_DP16_INC(x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11,
x12, x13, x14, x15, x, inc_x2);
}
if (n & 15)
{
if (n & 8)
{
LD_DP8_INC(px, inc_x2, x0, x1, x2, x3, x4, x5, x6, x7);
MUL4(x0, da_r_vec, x1, da_r_vec, x2, da_r_vec, x3, da_r_vec,
x0, x1, x2, x3);
MUL4(x4, da_r_vec, x5, da_r_vec, x6, da_r_vec, x7, da_r_vec,
x4, x5, x6, x7);
ST_DP8_INC(x0, x1, x2, x3, x4, x5, x6, x7, x, inc_x2);
}
if (n & 4)
{
LD_DP4_INC(px, inc_x2, x0, x1, x2, x3);
MUL4(x0, da_r_vec, x1, da_r_vec, x2, da_r_vec, x3, da_r_vec,
x0, x1, x2, x3);
ST_DP4_INC(x0, x1, x2, x3, x, inc_x2);
}
if (n & 2)
{
LD_DP2_INC(px, inc_x2, x0, x1);
MUL2(x0, da_r_vec, x1, da_r_vec, x0, x1);
ST_DP2_INC(x0, x1, x, inc_x2);
}
if (n & 1)
{
LD_GP2_INC(px, 1, f0, f1);
MUL2(f0, da_r, f1, da_r, f0, f1);
ST_GP2_INC(f0, f1, x, 1);
}
}
}
else
{
da_i_vec = COPY_DOUBLE_TO_VECTOR(da_i);
da_i_vec_neg = -da_i_vec;
da_i_vec = (v2f64) __msa_ilvev_d((v2i64) da_i_vec_neg, (v2i64) da_i_vec);
da_r_vec = COPY_DOUBLE_TO_VECTOR(da_r);
for (i = (n >> 4); i--;)
{
LD_DP16_INC(px, inc_x2, x0, x1, x2, x3, x4, x5, x6, x7, x8, x9,
x10, x11, x12, x13, x14, x15);
MUL4(x0, da_i_vec, x1, da_i_vec, x2, da_i_vec, x3, da_i_vec,
d0, d1, d2, d3);
MUL4(x4, da_i_vec, x5, da_i_vec, x6, da_i_vec, x7, da_i_vec,
d4, d5, d6, d7);
MUL4(x8, da_i_vec, x9, da_i_vec, x10, da_i_vec, x11, da_i_vec,
d8, d9, d10, d11);
MUL4(x12, da_i_vec, x13, da_i_vec, x14, da_i_vec, x15, da_i_vec,
d12, d13, d14, d15);
SHF_W4_DP(d0, d1, d2, d3, d0, d1, d2, d3, SHF_78);
SHF_W4_DP(d4, d5, d6, d7, d4, d5, d6, d7, SHF_78);
SHF_W4_DP(d8, d9, d10, d11, d8, d9, d10, d11, SHF_78);
SHF_W4_DP(d12, d13, d14, d15, d12, d13, d14, d15, SHF_78);
FMADD4(x0, x1, x2, x3, da_r_vec, d0, d1, d2, d3);
FMADD4(x4, x5, x6, x7, da_r_vec, d4, d5, d6, d7);
FMADD4(x8, x9, x10, x11, da_r_vec, d8, d9, d10, d11);
FMADD4(x12, x13, x14, x15, da_r_vec, d12, d13, d14, d15);
ST_DP16_INC(d0, d1, d2, d3, d4, d5, d6, d7, d8, d9, d10, d11,
d12, d13, d14, d15, x, inc_x2);
}
if (n & 15)
{
if (n & 8)
{
LD_DP8_INC(px, inc_x2, x0, x1, x2, x3, x4, x5, x6, x7);
MUL4(x0, da_i_vec, x1, da_i_vec, x2, da_i_vec, x3, da_i_vec,
d0, d1, d2, d3);
MUL4(x4, da_i_vec, x5, da_i_vec, x6, da_i_vec, x7, da_i_vec,
d4, d5, d6, d7);
SHF_W4_DP(d0, d1, d2, d3, d0, d1, d2, d3, SHF_78);
SHF_W4_DP(d4, d5, d6, d7, d4, d5, d6, d7, SHF_78);
FMADD4(x0, x1, x2, x3, da_r_vec, d0, d1, d2, d3);
FMADD4(x4, x5, x6, x7, da_r_vec, d4, d5, d6, d7);
ST_DP8_INC(d0, d1, d2, d3, d4, d5, d6, d7, x, inc_x2);
}
if (n & 4)
{
LD_DP4_INC(px, inc_x2, x0, x1, x2, x3);
MUL4(x0, da_i_vec, x1, da_i_vec, x2, da_i_vec, x3, da_i_vec,
d0, d1, d2, d3);
SHF_W4_DP(d0, d1, d2, d3, d0, d1, d2, d3, SHF_78);
FMADD4(x0, x1, x2, x3, da_r_vec, d0, d1, d2, d3);
ST_DP4_INC(d0, d1, d2, d3, x, inc_x2);
}
if (n & 2)
{
LD_DP2_INC(px, inc_x2, x0, x1);
MUL2(x0, da_i_vec, x1, da_i_vec, d0, d1);
SHF_W2_DP(d0, d1, d0, d1, SHF_78);
FMADD2(x0, x1, da_r_vec, d0, d1);
ST_DP2_INC(d0, d1, x, inc_x2);
}
if (n & 1)
{
LD_GP2_INC(px, 1, f0, f1);
tp0 = da_r * f0;
tp0 -= da_i * f1;
tp1 = da_r * f1;
tp1 += da_i * f0;
ST_GP2_INC(tp0, tp1, x, 1);
}
}
}
}
return (0);
}