furnace/extern/fftw/dft/simd/common/genus.c

332 lines
9.3 KiB
C

/*
* Copyright (c) 2003, 2007-14 Matteo Frigo
* Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include "dft/codelet-dft.h"
#include SIMD_HEADER
#define EXTERN_CONST(t, x) extern const t x; const t x
static int n1b_okp(const kdft_desc *d,
const R *ri, const R *ii, const R *ro, const R *io,
INT is, INT os, INT vl, INT ivs, INT ovs,
const planner *plnr)
{
return (1
&& ALIGNED(ii)
&& ALIGNED(io)
&& !NO_SIMDP(plnr)
&& SIMD_STRIDE_OK(is)
&& SIMD_STRIDE_OK(os)
&& SIMD_VSTRIDE_OK(ivs)
&& SIMD_VSTRIDE_OK(ovs)
&& ri == ii + 1
&& ro == io + 1
&& (vl % VL) == 0
&& (!d->is || (d->is == is))
&& (!d->os || (d->os == os))
&& (!d->ivs || (d->ivs == ivs))
&& (!d->ovs || (d->ovs == ovs))
);
}
EXTERN_CONST(kdft_genus, XSIMD(dft_n1bsimd_genus)) = { n1b_okp, VL };
static int n1f_okp(const kdft_desc *d,
const R *ri, const R *ii, const R *ro, const R *io,
INT is, INT os, INT vl, INT ivs, INT ovs,
const planner *plnr)
{
return (1
&& ALIGNED(ri)
&& ALIGNED(ro)
&& !NO_SIMDP(plnr)
&& SIMD_STRIDE_OK(is)
&& SIMD_STRIDE_OK(os)
&& SIMD_VSTRIDE_OK(ivs)
&& SIMD_VSTRIDE_OK(ovs)
&& ii == ri + 1
&& io == ro + 1
&& (vl % VL) == 0
&& (!d->is || (d->is == is))
&& (!d->os || (d->os == os))
&& (!d->ivs || (d->ivs == ivs))
&& (!d->ovs || (d->ovs == ovs))
);
}
EXTERN_CONST(kdft_genus, XSIMD(dft_n1fsimd_genus)) = { n1f_okp, VL };
static int n2b_okp(const kdft_desc *d,
const R *ri, const R *ii, const R *ro, const R *io,
INT is, INT os, INT vl, INT ivs, INT ovs,
const planner *plnr)
{
return (1
&& ALIGNEDA(ii)
&& ALIGNEDA(io)
&& !NO_SIMDP(plnr)
&& SIMD_STRIDE_OKA(is)
&& SIMD_VSTRIDE_OKA(ivs)
&& SIMD_VSTRIDE_OKA(os) /* os == 2 enforced by codelet */
&& SIMD_STRIDE_OKPAIR(ovs)
&& ri == ii + 1
&& ro == io + 1
&& (vl % VL) == 0
&& (!d->is || (d->is == is))
&& (!d->os || (d->os == os))
&& (!d->ivs || (d->ivs == ivs))
&& (!d->ovs || (d->ovs == ovs))
);
}
EXTERN_CONST(kdft_genus, XSIMD(dft_n2bsimd_genus)) = { n2b_okp, VL };
static int n2f_okp(const kdft_desc *d,
const R *ri, const R *ii, const R *ro, const R *io,
INT is, INT os, INT vl, INT ivs, INT ovs,
const planner *plnr)
{
return (1
&& ALIGNEDA(ri)
&& ALIGNEDA(ro)
&& !NO_SIMDP(plnr)
&& SIMD_STRIDE_OKA(is)
&& SIMD_VSTRIDE_OKA(ivs)
&& SIMD_VSTRIDE_OKA(os) /* os == 2 enforced by codelet */
&& SIMD_STRIDE_OKPAIR(ovs)
&& ii == ri + 1
&& io == ro + 1
&& (vl % VL) == 0
&& (!d->is || (d->is == is))
&& (!d->os || (d->os == os))
&& (!d->ivs || (d->ivs == ivs))
&& (!d->ovs || (d->ovs == ovs))
);
}
EXTERN_CONST(kdft_genus, XSIMD(dft_n2fsimd_genus)) = { n2f_okp, VL };
static int n2s_okp(const kdft_desc *d,
const R *ri, const R *ii, const R *ro, const R *io,
INT is, INT os, INT vl, INT ivs, INT ovs,
const planner *plnr)
{
return (1
&& !NO_SIMDP(plnr)
&& ALIGNEDA(ri)
&& ALIGNEDA(ii)
&& ALIGNEDA(ro)
&& ALIGNEDA(io)
&& SIMD_STRIDE_OKA(is)
&& ivs == 1
&& os == 1
&& SIMD_STRIDE_OKA(ovs)
&& (vl % (2 * VL)) == 0
&& (!d->is || (d->is == is))
&& (!d->os || (d->os == os))
&& (!d->ivs || (d->ivs == ivs))
&& (!d->ovs || (d->ovs == ovs))
);
}
EXTERN_CONST(kdft_genus, XSIMD(dft_n2ssimd_genus)) = { n2s_okp, 2 * VL };
static int q1b_okp(const ct_desc *d,
const R *rio, const R *iio,
INT rs, INT vs, INT m, INT mb, INT me, INT ms,
const planner *plnr)
{
return (1
&& ALIGNED(iio)
&& !NO_SIMDP(plnr)
&& SIMD_STRIDE_OK(rs)
&& SIMD_STRIDE_OK(vs)
&& SIMD_VSTRIDE_OK(ms)
&& rio == iio + 1
&& (m % VL) == 0
&& (mb % VL) == 0
&& (me % VL) == 0
&& (!d->rs || (d->rs == rs))
&& (!d->vs || (d->vs == vs))
&& (!d->ms || (d->ms == ms))
);
}
EXTERN_CONST(ct_genus, XSIMD(dft_q1bsimd_genus)) = { q1b_okp, VL };
static int q1f_okp(const ct_desc *d,
const R *rio, const R *iio,
INT rs, INT vs, INT m, INT mb, INT me, INT ms,
const planner *plnr)
{
return (1
&& ALIGNED(rio)
&& !NO_SIMDP(plnr)
&& SIMD_STRIDE_OK(rs)
&& SIMD_STRIDE_OK(vs)
&& SIMD_VSTRIDE_OK(ms)
&& iio == rio + 1
&& (m % VL) == 0
&& (mb % VL) == 0
&& (me % VL) == 0
&& (!d->rs || (d->rs == rs))
&& (!d->vs || (d->vs == vs))
&& (!d->ms || (d->ms == ms))
);
}
EXTERN_CONST(ct_genus, XSIMD(dft_q1fsimd_genus)) = { q1f_okp, VL };
static int t_okp_common(const ct_desc *d,
const R *rio, const R *iio,
INT rs, INT vs, INT m, INT mb, INT me, INT ms,
const planner *plnr)
{
UNUSED(rio); UNUSED(iio);
return (1
&& !NO_SIMDP(plnr)
&& SIMD_STRIDE_OKA(rs)
&& SIMD_VSTRIDE_OKA(ms)
&& (m % VL) == 0
&& (mb % VL) == 0
&& (me % VL) == 0
&& (!d->rs || (d->rs == rs))
&& (!d->vs || (d->vs == vs))
&& (!d->ms || (d->ms == ms))
);
}
static int t_okp_commonu(const ct_desc *d,
const R *rio, const R *iio,
INT rs, INT vs, INT m, INT mb, INT me, INT ms,
const planner *plnr)
{
UNUSED(rio); UNUSED(iio); UNUSED(m);
return (1
&& !NO_SIMDP(plnr)
&& SIMD_STRIDE_OK(rs)
&& SIMD_VSTRIDE_OK(ms)
&& (mb % VL) == 0
&& (me % VL) == 0
&& (!d->rs || (d->rs == rs))
&& (!d->vs || (d->vs == vs))
&& (!d->ms || (d->ms == ms))
);
}
static int t_okp_t1f(const ct_desc *d,
const R *rio, const R *iio,
INT rs, INT vs, INT m, INT mb, INT me, INT ms,
const planner *plnr)
{
return t_okp_common(d, rio, iio, rs, vs, m, mb, me, ms, plnr)
&& iio == rio + 1
&& ALIGNEDA(rio);
}
EXTERN_CONST(ct_genus, XSIMD(dft_t1fsimd_genus)) = { t_okp_t1f, VL };
static int t_okp_t1fu(const ct_desc *d,
const R *rio, const R *iio,
INT rs, INT vs, INT m, INT mb, INT me, INT ms,
const planner *plnr)
{
return t_okp_commonu(d, rio, iio, rs, vs, m, mb, me, ms, plnr)
&& iio == rio + 1
&& ALIGNED(rio);
}
EXTERN_CONST(ct_genus, XSIMD(dft_t1fusimd_genus)) = { t_okp_t1fu, VL };
static int t_okp_t1b(const ct_desc *d,
const R *rio, const R *iio,
INT rs, INT vs, INT m, INT mb, INT me, INT ms,
const planner *plnr)
{
return t_okp_common(d, rio, iio, rs, vs, m, mb, me, ms, plnr)
&& rio == iio + 1
&& ALIGNEDA(iio);
}
EXTERN_CONST(ct_genus, XSIMD(dft_t1bsimd_genus)) = { t_okp_t1b, VL };
static int t_okp_t1bu(const ct_desc *d,
const R *rio, const R *iio,
INT rs, INT vs, INT m, INT mb, INT me, INT ms,
const planner *plnr)
{
return t_okp_commonu(d, rio, iio, rs, vs, m, mb, me, ms, plnr)
&& rio == iio + 1
&& ALIGNED(iio);
}
EXTERN_CONST(ct_genus, XSIMD(dft_t1busimd_genus)) = { t_okp_t1bu, VL };
/* use t2* codelets only when n = m*radix is small, because
t2* codelets use ~2n twiddle factors (instead of ~n) */
static int small_enough(const ct_desc *d, INT m)
{
return m * d->radix <= 16384;
}
static int t_okp_t2f(const ct_desc *d,
const R *rio, const R *iio,
INT rs, INT vs, INT m, INT mb, INT me, INT ms,
const planner *plnr)
{
return t_okp_t1f(d, rio, iio, rs, vs, m, mb, me, ms, plnr)
&& small_enough(d, m);
}
EXTERN_CONST(ct_genus, XSIMD(dft_t2fsimd_genus)) = { t_okp_t2f, VL };
static int t_okp_t2b(const ct_desc *d,
const R *rio, const R *iio,
INT rs, INT vs, INT m, INT mb, INT me, INT ms,
const planner *plnr)
{
return t_okp_t1b(d, rio, iio, rs, vs, m, mb, me, ms, plnr)
&& small_enough(d, m);
}
EXTERN_CONST(ct_genus, XSIMD(dft_t2bsimd_genus)) = { t_okp_t2b, VL };
static int ts_okp(const ct_desc *d,
const R *rio, const R *iio,
INT rs, INT vs, INT m, INT mb, INT me, INT ms,
const planner *plnr)
{
UNUSED(rio);
UNUSED(iio);
return (1
&& !NO_SIMDP(plnr)
&& ALIGNEDA(rio)
&& ALIGNEDA(iio)
&& SIMD_STRIDE_OKA(rs)
&& ms == 1
&& (m % (2 * VL)) == 0
&& (mb % (2 * VL)) == 0
&& (me % (2 * VL)) == 0
&& (!d->rs || (d->rs == rs))
&& (!d->vs || (d->vs == vs))
&& (!d->ms || (d->ms == ms))
);
}
EXTERN_CONST(ct_genus, XSIMD(dft_tssimd_genus)) = { ts_okp, 2 * VL };