mirror of
https://github.com/tildearrow/furnace.git
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177 lines
5.9 KiB
C
177 lines
5.9 KiB
C
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/*
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* Copyright (c) 2003, 2007-14 Matteo Frigo
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* Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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/* This file was automatically generated --- DO NOT EDIT */
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/* Generated on Tue Sep 14 10:45:54 EDT 2021 */
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#include "dft/codelet-dft.h"
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#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
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/* Generated by: ../../../genfft/gen_twiddle_c.native -fma -simd -compact -variables 4 -pipeline-latency 8 -n 5 -name t2bv_5 -include dft/simd/t2b.h -sign 1 */
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/*
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* This function contains 20 FP additions, 19 FP multiplications,
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* (or, 11 additions, 10 multiplications, 9 fused multiply/add),
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* 20 stack variables, 4 constants, and 10 memory accesses
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*/
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#include "dft/simd/t2b.h"
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static void t2bv_5(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
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{
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DVK(KP559016994, +0.559016994374947424102293417182819058860154590);
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DVK(KP250000000, +0.250000000000000000000000000000000000000000000);
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DVK(KP618033988, +0.618033988749894848204586834365638117720309180);
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DVK(KP951056516, +0.951056516295153572116439333379382143405698634);
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{
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INT m;
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R *x;
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x = ii;
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for (m = mb, W = W + (mb * ((TWVL / VL) * 8)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 8), MAKE_VOLATILE_STRIDE(5, rs)) {
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V T1, Tg, Th, T6, Tb, Tc;
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T1 = LD(&(x[0]), ms, &(x[0]));
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{
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V T3, Ta, T5, T8;
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{
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V T2, T9, T4, T7;
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T2 = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
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T3 = BYTW(&(W[0]), T2);
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T9 = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
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Ta = BYTW(&(W[TWVL * 4]), T9);
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T4 = LD(&(x[WS(rs, 4)]), ms, &(x[0]));
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T5 = BYTW(&(W[TWVL * 6]), T4);
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T7 = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
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T8 = BYTW(&(W[TWVL * 2]), T7);
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}
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Tg = VSUB(T3, T5);
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Th = VSUB(T8, Ta);
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T6 = VADD(T3, T5);
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Tb = VADD(T8, Ta);
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Tc = VADD(T6, Tb);
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}
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ST(&(x[0]), VADD(T1, Tc), ms, &(x[0]));
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{
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V Ti, Tk, Tf, Tj, Td, Te;
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Ti = VMUL(LDK(KP951056516), VFMA(LDK(KP618033988), Th, Tg));
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Tk = VMUL(LDK(KP951056516), VFNMS(LDK(KP618033988), Tg, Th));
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Td = VFNMS(LDK(KP250000000), Tc, T1);
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Te = VSUB(T6, Tb);
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Tf = VFMA(LDK(KP559016994), Te, Td);
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Tj = VFNMS(LDK(KP559016994), Te, Td);
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ST(&(x[WS(rs, 1)]), VFMAI(Ti, Tf), ms, &(x[WS(rs, 1)]));
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ST(&(x[WS(rs, 3)]), VFMAI(Tk, Tj), ms, &(x[WS(rs, 1)]));
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ST(&(x[WS(rs, 4)]), VFNMSI(Ti, Tf), ms, &(x[0]));
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ST(&(x[WS(rs, 2)]), VFNMSI(Tk, Tj), ms, &(x[0]));
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}
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}
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}
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VLEAVE();
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}
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static const tw_instr twinstr[] = {
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VTW(0, 1),
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VTW(0, 2),
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VTW(0, 3),
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VTW(0, 4),
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{ TW_NEXT, VL, 0 }
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};
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static const ct_desc desc = { 5, XSIMD_STRING("t2bv_5"), twinstr, &GENUS, { 11, 10, 9, 0 }, 0, 0, 0 };
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void XSIMD(codelet_t2bv_5) (planner *p) {
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X(kdft_dit_register) (p, t2bv_5, &desc);
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}
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#else
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/* Generated by: ../../../genfft/gen_twiddle_c.native -simd -compact -variables 4 -pipeline-latency 8 -n 5 -name t2bv_5 -include dft/simd/t2b.h -sign 1 */
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/*
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* This function contains 20 FP additions, 14 FP multiplications,
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* (or, 17 additions, 11 multiplications, 3 fused multiply/add),
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* 20 stack variables, 4 constants, and 10 memory accesses
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*/
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#include "dft/simd/t2b.h"
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static void t2bv_5(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
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{
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DVK(KP250000000, +0.250000000000000000000000000000000000000000000);
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DVK(KP559016994, +0.559016994374947424102293417182819058860154590);
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DVK(KP587785252, +0.587785252292473129168705954639072768597652438);
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DVK(KP951056516, +0.951056516295153572116439333379382143405698634);
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{
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INT m;
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R *x;
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x = ii;
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for (m = mb, W = W + (mb * ((TWVL / VL) * 8)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 8), MAKE_VOLATILE_STRIDE(5, rs)) {
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V Tf, T5, Ta, Tc, Td, Tg;
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Tf = LD(&(x[0]), ms, &(x[0]));
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{
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V T2, T9, T4, T7;
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{
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V T1, T8, T3, T6;
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T1 = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
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T2 = BYTW(&(W[0]), T1);
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T8 = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
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T9 = BYTW(&(W[TWVL * 4]), T8);
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T3 = LD(&(x[WS(rs, 4)]), ms, &(x[0]));
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T4 = BYTW(&(W[TWVL * 6]), T3);
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T6 = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
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T7 = BYTW(&(W[TWVL * 2]), T6);
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}
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T5 = VSUB(T2, T4);
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Ta = VSUB(T7, T9);
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Tc = VADD(T2, T4);
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Td = VADD(T7, T9);
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Tg = VADD(Tc, Td);
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}
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ST(&(x[0]), VADD(Tf, Tg), ms, &(x[0]));
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{
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V Tb, Tj, Ti, Tk, Te, Th;
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Tb = VBYI(VFMA(LDK(KP951056516), T5, VMUL(LDK(KP587785252), Ta)));
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Tj = VBYI(VFNMS(LDK(KP951056516), Ta, VMUL(LDK(KP587785252), T5)));
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Te = VMUL(LDK(KP559016994), VSUB(Tc, Td));
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Th = VFNMS(LDK(KP250000000), Tg, Tf);
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Ti = VADD(Te, Th);
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Tk = VSUB(Th, Te);
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ST(&(x[WS(rs, 1)]), VADD(Tb, Ti), ms, &(x[WS(rs, 1)]));
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ST(&(x[WS(rs, 3)]), VSUB(Tk, Tj), ms, &(x[WS(rs, 1)]));
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ST(&(x[WS(rs, 4)]), VSUB(Ti, Tb), ms, &(x[0]));
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ST(&(x[WS(rs, 2)]), VADD(Tj, Tk), ms, &(x[0]));
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}
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}
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}
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VLEAVE();
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}
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static const tw_instr twinstr[] = {
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VTW(0, 1),
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VTW(0, 2),
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VTW(0, 3),
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VTW(0, 4),
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{ TW_NEXT, VL, 0 }
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};
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static const ct_desc desc = { 5, XSIMD_STRING("t2bv_5"), twinstr, &GENUS, { 17, 11, 3, 0 }, 0, 0, 0 };
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void XSIMD(codelet_t2bv_5) (planner *p) {
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X(kdft_dit_register) (p, t2bv_5, &desc);
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}
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#endif
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