187 lines
6.2 KiB
C
187 lines
6.2 KiB
C
/*
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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 10:45:57 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 -twiddle-log3 -precompute-twiddles -no-generate-bytw -n 5 -name t3bv_5 -include dft/simd/t3b.h -sign 1 */
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/*
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* This function contains 22 FP additions, 23 FP multiplications,
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* (or, 13 additions, 14 multiplications, 9 fused multiply/add),
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* 24 stack variables, 4 constants, and 10 memory accesses
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*/
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#include "dft/simd/t3b.h"
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static void t3bv_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) * 4)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 4), MAKE_VOLATILE_STRIDE(5, rs)) {
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V T2, T5, T6, Ta;
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T2 = LDW(&(W[0]));
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T5 = LDW(&(W[TWVL * 2]));
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T6 = VZMUL(T2, T5);
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Ta = VZMULJ(T2, T5);
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{
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V T1, Tk, Tl, T9, Tf, Tg;
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T1 = LD(&(x[0]), ms, &(x[0]));
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{
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V T4, Te, T8, Tc;
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{
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V T3, Td, T7, Tb;
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T3 = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
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T4 = VZMUL(T2, T3);
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Td = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
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Te = VZMUL(T5, Td);
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T7 = LD(&(x[WS(rs, 4)]), ms, &(x[0]));
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T8 = VZMUL(T6, T7);
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Tb = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
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Tc = VZMUL(Ta, Tb);
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}
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Tk = VSUB(T4, T8);
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Tl = VSUB(Tc, Te);
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T9 = VADD(T4, T8);
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Tf = VADD(Tc, Te);
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Tg = VADD(T9, Tf);
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}
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ST(&(x[0]), VADD(T1, Tg), ms, &(x[0]));
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{
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V Tm, To, Tj, Tn, Th, Ti;
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Tm = VMUL(LDK(KP951056516), VFMA(LDK(KP618033988), Tl, Tk));
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To = VMUL(LDK(KP951056516), VFNMS(LDK(KP618033988), Tk, Tl));
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Th = VFNMS(LDK(KP250000000), Tg, T1);
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Ti = VSUB(T9, Tf);
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Tj = VFMA(LDK(KP559016994), Ti, Th);
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Tn = VFNMS(LDK(KP559016994), Ti, Th);
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ST(&(x[WS(rs, 1)]), VFMAI(Tm, Tj), ms, &(x[WS(rs, 1)]));
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ST(&(x[WS(rs, 3)]), VFMAI(To, Tn), ms, &(x[WS(rs, 1)]));
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ST(&(x[WS(rs, 4)]), VFNMSI(Tm, Tj), ms, &(x[0]));
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ST(&(x[WS(rs, 2)]), VFNMSI(To, Tn), ms, &(x[0]));
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}
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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, 3),
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{ TW_NEXT, VL, 0 }
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};
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static const ct_desc desc = { 5, XSIMD_STRING("t3bv_5"), twinstr, &GENUS, { 13, 14, 9, 0 }, 0, 0, 0 };
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void XSIMD(codelet_t3bv_5) (planner *p) {
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X(kdft_dit_register) (p, t3bv_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 -twiddle-log3 -precompute-twiddles -no-generate-bytw -n 5 -name t3bv_5 -include dft/simd/t3b.h -sign 1 */
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/*
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* This function contains 22 FP additions, 18 FP multiplications,
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* (or, 19 additions, 15 multiplications, 3 fused multiply/add),
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* 24 stack variables, 4 constants, and 10 memory accesses
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*/
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#include "dft/simd/t3b.h"
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static void t3bv_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) * 4)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 4), MAKE_VOLATILE_STRIDE(5, rs)) {
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V T1, T4, T5, T9;
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T1 = LDW(&(W[0]));
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T4 = LDW(&(W[TWVL * 2]));
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T5 = VZMUL(T1, T4);
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T9 = VZMULJ(T1, T4);
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{
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V Tj, T8, Te, Tg, Th, Tk;
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Tj = LD(&(x[0]), ms, &(x[0]));
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{
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V T3, Td, T7, Tb;
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{
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V T2, Tc, T6, Ta;
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T2 = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
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T3 = VZMUL(T1, T2);
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Tc = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
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Td = VZMUL(T4, Tc);
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T6 = LD(&(x[WS(rs, 4)]), ms, &(x[0]));
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T7 = VZMUL(T5, T6);
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Ta = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
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Tb = VZMUL(T9, Ta);
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}
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T8 = VSUB(T3, T7);
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Te = VSUB(Tb, Td);
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Tg = VADD(T3, T7);
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Th = VADD(Tb, Td);
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Tk = VADD(Tg, Th);
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}
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ST(&(x[0]), VADD(Tj, Tk), ms, &(x[0]));
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{
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V Tf, Tn, Tm, To, Ti, Tl;
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Tf = VBYI(VFMA(LDK(KP951056516), T8, VMUL(LDK(KP587785252), Te)));
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Tn = VBYI(VFNMS(LDK(KP951056516), Te, VMUL(LDK(KP587785252), T8)));
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Ti = VMUL(LDK(KP559016994), VSUB(Tg, Th));
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Tl = VFNMS(LDK(KP250000000), Tk, Tj);
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Tm = VADD(Ti, Tl);
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To = VSUB(Tl, Ti);
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ST(&(x[WS(rs, 1)]), VADD(Tf, Tm), ms, &(x[WS(rs, 1)]));
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ST(&(x[WS(rs, 3)]), VSUB(To, Tn), ms, &(x[WS(rs, 1)]));
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ST(&(x[WS(rs, 4)]), VSUB(Tm, Tf), ms, &(x[0]));
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ST(&(x[WS(rs, 2)]), VADD(Tn, To), ms, &(x[0]));
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}
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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, 3),
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{ TW_NEXT, VL, 0 }
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};
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static const ct_desc desc = { 5, XSIMD_STRING("t3bv_5"), twinstr, &GENUS, { 19, 15, 3, 0 }, 0, 0, 0 };
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void XSIMD(codelet_t3bv_5) (planner *p) {
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X(kdft_dit_register) (p, t3bv_5, &desc);
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}
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#endif
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