Mercurial > hg > sv-dependency-builds
diff src/fftw-3.3.3/dft/simd/common/n1fv_5.c @ 10:37bf6b4a2645
Add FFTW3
author | Chris Cannam |
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date | Wed, 20 Mar 2013 15:35:50 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/fftw-3.3.3/dft/simd/common/n1fv_5.c Wed Mar 20 15:35:50 2013 +0000 @@ -0,0 +1,152 @@ +/* + * Copyright (c) 2003, 2007-11 Matteo Frigo + * Copyright (c) 2003, 2007-11 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 + * + */ + +/* This file was automatically generated --- DO NOT EDIT */ +/* Generated on Sun Nov 25 07:36:52 EST 2012 */ + +#include "codelet-dft.h" + +#ifdef HAVE_FMA + +/* Generated by: ../../../genfft/gen_notw_c.native -fma -reorder-insns -schedule-for-pipeline -simd -compact -variables 4 -pipeline-latency 8 -n 5 -name n1fv_5 -include n1f.h */ + +/* + * This function contains 16 FP additions, 11 FP multiplications, + * (or, 7 additions, 2 multiplications, 9 fused multiply/add), + * 23 stack variables, 4 constants, and 10 memory accesses + */ +#include "n1f.h" + +static void n1fv_5(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs) +{ + DVK(KP559016994, +0.559016994374947424102293417182819058860154590); + DVK(KP250000000, +0.250000000000000000000000000000000000000000000); + DVK(KP618033988, +0.618033988749894848204586834365638117720309180); + DVK(KP951056516, +0.951056516295153572116439333379382143405698634); + { + INT i; + const R *xi; + R *xo; + xi = ri; + xo = ro; + for (i = v; i > 0; i = i - VL, xi = xi + (VL * ivs), xo = xo + (VL * ovs), MAKE_VOLATILE_STRIDE(10, is), MAKE_VOLATILE_STRIDE(10, os)) { + V T1, T2, T3, T5, T6; + T1 = LD(&(xi[0]), ivs, &(xi[0])); + T2 = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)])); + T3 = LD(&(xi[WS(is, 4)]), ivs, &(xi[0])); + T5 = LD(&(xi[WS(is, 2)]), ivs, &(xi[0])); + T6 = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)])); + { + V Tc, T4, Td, T7; + Tc = VSUB(T2, T3); + T4 = VADD(T2, T3); + Td = VSUB(T5, T6); + T7 = VADD(T5, T6); + { + V Tg, Te, Ta, T8, T9, Tf, Tb; + Tg = VMUL(LDK(KP951056516), VFNMS(LDK(KP618033988), Tc, Td)); + Te = VMUL(LDK(KP951056516), VFMA(LDK(KP618033988), Td, Tc)); + Ta = VSUB(T4, T7); + T8 = VADD(T4, T7); + T9 = VFNMS(LDK(KP250000000), T8, T1); + ST(&(xo[0]), VADD(T1, T8), ovs, &(xo[0])); + Tf = VFNMS(LDK(KP559016994), Ta, T9); + Tb = VFMA(LDK(KP559016994), Ta, T9); + ST(&(xo[WS(os, 2)]), VFMAI(Tg, Tf), ovs, &(xo[0])); + ST(&(xo[WS(os, 3)]), VFNMSI(Tg, Tf), ovs, &(xo[WS(os, 1)])); + ST(&(xo[WS(os, 4)]), VFMAI(Te, Tb), ovs, &(xo[0])); + ST(&(xo[WS(os, 1)]), VFNMSI(Te, Tb), ovs, &(xo[WS(os, 1)])); + } + } + } + } + VLEAVE(); +} + +static const kdft_desc desc = { 5, XSIMD_STRING("n1fv_5"), {7, 2, 9, 0}, &GENUS, 0, 0, 0, 0 }; + +void XSIMD(codelet_n1fv_5) (planner *p) { + X(kdft_register) (p, n1fv_5, &desc); +} + +#else /* HAVE_FMA */ + +/* Generated by: ../../../genfft/gen_notw_c.native -simd -compact -variables 4 -pipeline-latency 8 -n 5 -name n1fv_5 -include n1f.h */ + +/* + * This function contains 16 FP additions, 6 FP multiplications, + * (or, 13 additions, 3 multiplications, 3 fused multiply/add), + * 18 stack variables, 4 constants, and 10 memory accesses + */ +#include "n1f.h" + +static void n1fv_5(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs) +{ + DVK(KP250000000, +0.250000000000000000000000000000000000000000000); + DVK(KP587785252, +0.587785252292473129168705954639072768597652438); + DVK(KP951056516, +0.951056516295153572116439333379382143405698634); + DVK(KP559016994, +0.559016994374947424102293417182819058860154590); + { + INT i; + const R *xi; + R *xo; + xi = ri; + xo = ro; + for (i = v; i > 0; i = i - VL, xi = xi + (VL * ivs), xo = xo + (VL * ovs), MAKE_VOLATILE_STRIDE(10, is), MAKE_VOLATILE_STRIDE(10, os)) { + V T8, T7, Td, T9, Tc; + T8 = LD(&(xi[0]), ivs, &(xi[0])); + { + V T1, T2, T3, T4, T5, T6; + T1 = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)])); + T2 = LD(&(xi[WS(is, 4)]), ivs, &(xi[0])); + T3 = VADD(T1, T2); + T4 = LD(&(xi[WS(is, 2)]), ivs, &(xi[0])); + T5 = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)])); + T6 = VADD(T4, T5); + T7 = VMUL(LDK(KP559016994), VSUB(T3, T6)); + Td = VSUB(T4, T5); + T9 = VADD(T3, T6); + Tc = VSUB(T1, T2); + } + ST(&(xo[0]), VADD(T8, T9), ovs, &(xo[0])); + { + V Te, Tf, Tb, Tg, Ta; + Te = VBYI(VFMA(LDK(KP951056516), Tc, VMUL(LDK(KP587785252), Td))); + Tf = VBYI(VFNMS(LDK(KP587785252), Tc, VMUL(LDK(KP951056516), Td))); + Ta = VFNMS(LDK(KP250000000), T9, T8); + Tb = VADD(T7, Ta); + Tg = VSUB(Ta, T7); + ST(&(xo[WS(os, 1)]), VSUB(Tb, Te), ovs, &(xo[WS(os, 1)])); + ST(&(xo[WS(os, 3)]), VSUB(Tg, Tf), ovs, &(xo[WS(os, 1)])); + ST(&(xo[WS(os, 4)]), VADD(Te, Tb), ovs, &(xo[0])); + ST(&(xo[WS(os, 2)]), VADD(Tf, Tg), ovs, &(xo[0])); + } + } + } + VLEAVE(); +} + +static const kdft_desc desc = { 5, XSIMD_STRING("n1fv_5"), {13, 3, 3, 0}, &GENUS, 0, 0, 0, 0 }; + +void XSIMD(codelet_n1fv_5) (planner *p) { + X(kdft_register) (p, n1fv_5, &desc); +} + +#endif /* HAVE_FMA */