Mercurial > hg > sv-dependency-builds
diff src/fftw-3.3.8/rdft/scalar/r2cf/hc2cfdft2_20.c @ 167:bd3cc4d1df30
Add FFTW 3.3.8 source, and a Linux build
| author | Chris Cannam <cannam@all-day-breakfast.com> |
|---|---|
| date | Tue, 19 Nov 2019 14:52:55 +0000 |
| parents | |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/fftw-3.3.8/rdft/scalar/r2cf/hc2cfdft2_20.c Tue Nov 19 14:52:55 2019 +0000 @@ -0,0 +1,1203 @@ +/* + * 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 + * + */ + +/* This file was automatically generated --- DO NOT EDIT */ +/* Generated on Thu May 24 08:07:18 EDT 2018 */ + +#include "rdft/codelet-rdft.h" + +#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA) + +/* Generated by: ../../../genfft/gen_hc2cdft.native -fma -compact -variables 4 -pipeline-latency 4 -twiddle-log3 -precompute-twiddles -n 20 -dit -name hc2cfdft2_20 -include rdft/scalar/hc2cf.h */ + +/* + * This function contains 316 FP additions, 238 FP multiplications, + * (or, 176 additions, 98 multiplications, 140 fused multiply/add), + * 164 stack variables, 5 constants, and 80 memory accesses + */ +#include "rdft/scalar/hc2cf.h" + +static void hc2cfdft2_20(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms) +{ + DK(KP951056516, +0.951056516295153572116439333379382143405698634); + DK(KP559016994, +0.559016994374947424102293417182819058860154590); + DK(KP500000000, +0.500000000000000000000000000000000000000000000); + DK(KP250000000, +0.250000000000000000000000000000000000000000000); + DK(KP618033988, +0.618033988749894848204586834365638117720309180); + { + INT m; + for (m = mb, W = W + ((mb - 1) * 8); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 8, MAKE_VOLATILE_STRIDE(80, rs)) { + E Tm, Tq, Tn, T1, T6, Tg, Tp, Tr, Tx, TU, Tb, T1i, T1A, T2y, T33; + E T1o, T1u, T2B, T30, T1Q, T2a, T26, T2e, T22, T2V, T2R, TG, TD, TH, T1V; + E TN, TW, TX, T13, T2u, T2q, T2m, T2j; + { + E Tw, T1h, T29, T1n, T2d, T1z, T25, TC, T21, T1t, To, T2U; + Tm = W[0]; + Tq = W[3]; + Tn = W[2]; + To = Tm * Tn; + Tw = Tm * Tq; + T1 = W[6]; + T1h = Tn * T1; + T29 = Tm * T1; + T6 = W[7]; + T1n = Tn * T6; + T2d = Tm * T6; + Tg = W[5]; + T1z = Tn * Tg; + T25 = Tm * Tg; + Tp = W[1]; + Tr = FNMS(Tp, Tq, To); + Tx = FMA(Tp, Tn, Tw); + TU = FMA(Tp, Tq, To); + Tb = W[4]; + TC = Tr * Tb; + T21 = Tm * Tb; + T1t = Tn * Tb; + T1i = FMA(Tq, T6, T1h); + T1A = FNMS(Tq, Tb, T1z); + T2y = FNMS(Tq, Tg, T1t); + T33 = FMA(Tp, Tb, T25); + T1o = FNMS(Tq, T1, T1n); + T1u = FMA(Tq, Tg, T1t); + T2B = FMA(Tq, Tb, T1z); + T30 = FNMS(Tp, Tg, T21); + T1Q = FNMS(Tx, Tg, TC); + T2a = FMA(Tp, T6, T29); + T26 = FNMS(Tp, Tb, T25); + T2e = FNMS(Tp, T1, T2d); + T22 = FMA(Tp, Tg, T21); + T2U = Tr * T6; + T2V = FNMS(Tx, T1, T2U); + { + E T2Q, TF, TE, TM; + T2Q = Tr * T1; + T2R = FMA(Tx, T6, T2Q); + TF = Tr * Tg; + TG = FNMS(Tx, Tb, TF); + TD = FMA(Tx, Tg, TC); + TE = TD * T1; + TM = TD * T6; + TH = FMA(TG, T6, TE); + T1V = FMA(Tx, Tb, TF); + TN = FNMS(TG, T1, TM); + { + E TV, T2t, T12, T2p; + TV = TU * Tb; + T2t = TU * T1; + T12 = TU * Tg; + T2p = TU * T6; + TW = FNMS(Tp, Tn, Tw); + TX = FNMS(TW, Tg, TV); + T13 = FMA(TW, Tb, T12); + T2u = FMA(TW, T6, T2t); + T2q = FNMS(TW, T1, T2p); + T2m = FNMS(TW, Tb, T12); + T2j = FMA(TW, Tg, TV); + } + } + } + { + E T36, T3Q, T4D, T5f, T2Y, T5g, T3P, T4E, TT, T5k, T5R, T39, T3m, T49, T4X; + E T3T, T2i, T5r, T5T, T3c, T3B, T4o, T4U, T3W, T2J, T5u, T5U, T3d, T3I, T4v; + E T4V, T3X, T1G, T5n, T5Q, T3a, T3t, T4g, T4Y, T3U; + { + E T9, T2f, T5, T4k, T2c, T3i, TA, T2O, T1e, T2Z, T1O, T2G, TQ, T2W, T1Y; + E T2C, T3v, Tj, T27, T3g, T1l, T1m, T2v, T1D, T2n, T3E, T4c, T1x, T2k, T1y; + E T2l, T10, T31, T11, T32, T16, T34, T3p, T4B, T1b, T4A, T3n, T1T, T1U, T4q; + E T2A, Te, Tf, T4i, T24, T1r, T2s, T4a, T3C, Tv, T43, T2N, T3L, TL, T45; + E T2T, T3N, T1L, T4s, T2F, T3x, T35, T4C; + { + E Th, Ti, T14, T15; + { + E T7, T8, Ty, Tz; + T7 = Rp[WS(rs, 9)]; + T8 = Rm[WS(rs, 9)]; + T9 = T7 - T8; + T2f = T7 + T8; + { + E T4, T2b, T2, T3; + T2 = Ip[WS(rs, 9)]; + T3 = Im[WS(rs, 9)]; + T4 = T2 + T3; + T2b = T2 - T3; + T5 = T1 * T4; + T4k = T2e * T2b; + T2c = T2a * T2b; + T3i = T6 * T4; + } + Ty = Rp[WS(rs, 2)]; + Tz = Rm[WS(rs, 2)]; + TA = Ty + Tz; + T2O = Ty - Tz; + { + E T1c, T1d, T1M, T1N; + T1c = Ip[0]; + T1d = Im[0]; + T1e = T1c + T1d; + T2Z = T1c - T1d; + T1M = Rp[WS(rs, 1)]; + T1N = Rm[WS(rs, 1)]; + T1O = T1M - T1N; + T2G = T1M + T1N; + } + } + { + E TO, TP, T1W, T1X; + TO = Rp[WS(rs, 7)]; + TP = Rm[WS(rs, 7)]; + TQ = TO + TP; + T2W = TO - TP; + T1W = Rm[WS(rs, 6)]; + T1X = Rp[WS(rs, 6)]; + T1Y = T1W - T1X; + T2C = T1X + T1W; + T3v = T1Q * T1Y; + } + Th = Rm[WS(rs, 4)]; + Ti = Rp[WS(rs, 4)]; + Tj = Th - Ti; + T27 = Ti + Th; + T3g = Tb * Tj; + { + E T1j, T1k, T1B, T1C; + T1j = Ip[WS(rs, 8)]; + T1k = Im[WS(rs, 8)]; + T1l = T1j - T1k; + T1m = T1i * T1l; + T2v = T1j + T1k; + T1B = Rp[WS(rs, 3)]; + T1C = Rm[WS(rs, 3)]; + T1D = T1B + T1C; + T2n = T1B - T1C; + T3E = T2j * T2n; + T4c = T1u * T1D; + } + { + E T1v, T1w, TY, TZ; + T1v = Ip[WS(rs, 3)]; + T1w = Im[WS(rs, 3)]; + T1x = T1v - T1w; + T2k = T1v + T1w; + T1y = T1u * T1x; + T2l = T2j * T2k; + TY = Ip[WS(rs, 5)]; + TZ = Im[WS(rs, 5)]; + T10 = TY + TZ; + T31 = TY - TZ; + T11 = TX * T10; + T32 = T30 * T31; + } + T14 = Rp[WS(rs, 5)]; + T15 = Rm[WS(rs, 5)]; + T16 = T14 - T15; + T34 = T14 + T15; + T3p = TX * T16; + T4B = T30 * T34; + { + E T18, T19, T1a, T2z, T1R, T1S; + T18 = Rm[0]; + T19 = Rp[0]; + T1a = T18 - T19; + T1b = Tp * T1a; + T4A = T19 + T18; + T3n = Tm * T1a; + T1R = Ip[WS(rs, 6)]; + T1S = Im[WS(rs, 6)]; + T1T = T1R + T1S; + T2z = T1R - T1S; + T1U = T1Q * T1T; + T4q = T2B * T2z; + T2A = T2y * T2z; + } + { + E T23, Tc, Td, T2r, T1p, T1q; + Tc = Ip[WS(rs, 4)]; + Td = Im[WS(rs, 4)]; + Te = Tc + Td; + T23 = Tc - Td; + Tf = Tb * Te; + T4i = T26 * T23; + T24 = T22 * T23; + T1p = Rp[WS(rs, 8)]; + T1q = Rm[WS(rs, 8)]; + T1r = T1p + T1q; + T2r = T1q - T1p; + T2s = T2q * T2r; + T4a = T1i * T1r; + T3C = T2u * T2r; + } + { + E Tu, T2M, Ts, Tt; + Ts = Ip[WS(rs, 2)]; + Tt = Im[WS(rs, 2)]; + Tu = Ts - Tt; + T2M = Ts + Tt; + Tv = Tr * Tu; + T43 = Tx * Tu; + T2N = TD * T2M; + T3L = TG * T2M; + } + { + E TK, T2S, TI, TJ; + TI = Ip[WS(rs, 7)]; + TJ = Im[WS(rs, 7)]; + TK = TI - TJ; + T2S = TI + TJ; + TL = TH * TK; + T45 = TN * TK; + T2T = T2R * T2S; + T3N = T2V * T2S; + } + { + E T1K, T2E, T1I, T1J; + T1I = Ip[WS(rs, 1)]; + T1J = Im[WS(rs, 1)]; + T1K = T1I + T1J; + T2E = T1I - T1J; + T1L = Tn * T1K; + T4s = TW * T2E; + T2F = TU * T2E; + T3x = Tq * T1K; + } + } + T35 = FNMS(T33, T34, T32); + T36 = T2Z - T35; + T3Q = T35 + T2Z; + T4C = FMA(T33, T31, T4B); + T4D = T4A - T4C; + T5f = T4A + T4C; + { + E T2P, T2X, T3M, T3O; + T2P = FNMS(TG, T2O, T2N); + T2X = FNMS(T2V, T2W, T2T); + T2Y = T2P - T2X; + T5g = T2P + T2X; + T3M = FMA(TD, T2O, T3L); + T3O = FMA(T2R, T2W, T3N); + T3P = T3M + T3O; + T4E = T3O - T3M; + } + { + E Tl, T5j, T47, T5i, TS, T3l, T3k, T48; + { + E Ta, Tk, T44, T46; + Ta = FNMS(T6, T9, T5); + Tk = FMA(Tg, Tj, Tf); + Tl = Ta - Tk; + T5j = Tk + Ta; + T44 = FMA(Tr, TA, T43); + T46 = FMA(TH, TQ, T45); + T47 = T44 - T46; + T5i = T44 + T46; + } + { + E TB, TR, T3h, T3j; + TB = FNMS(Tx, TA, Tv); + TR = FNMS(TN, TQ, TL); + TS = TB - TR; + T3l = TB + TR; + T3h = FNMS(Tg, Te, T3g); + T3j = FMA(T1, T9, T3i); + T3k = T3h - T3j; + T48 = T3h + T3j; + } + TT = Tl - TS; + T5k = T5i + T5j; + T5R = T5i - T5j; + T39 = TS + Tl; + T3m = T3k - T3l; + T49 = T47 + T48; + T4X = T47 - T48; + T3T = T3l + T3k; + } + { + E T20, T5q, T4m, T5p, T2h, T3A, T3z, T4n; + { + E T1P, T1Z, T4j, T4l; + T1P = FNMS(Tq, T1O, T1L); + T1Z = FMA(T1V, T1Y, T1U); + T20 = T1P - T1Z; + T5q = T1Z + T1P; + T4j = FMA(T22, T27, T4i); + T4l = FMA(T2a, T2f, T4k); + T4m = T4j - T4l; + T5p = T4j + T4l; + } + { + E T28, T2g, T3w, T3y; + T28 = FNMS(T26, T27, T24); + T2g = FNMS(T2e, T2f, T2c); + T2h = T28 - T2g; + T3A = T28 + T2g; + T3w = FNMS(T1V, T1T, T3v); + T3y = FMA(Tn, T1O, T3x); + T3z = T3w - T3y; + T4n = T3w + T3y; + } + T2i = T20 - T2h; + T5r = T5p + T5q; + T5T = T5p - T5q; + T3c = T2h + T20; + T3B = T3z - T3A; + T4o = T4m + T4n; + T4U = T4m - T4n; + T3W = T3A + T3z; + } + { + E T2x, T5s, T4u, T5t, T2I, T3H, T3G, T4p; + { + E T2o, T2w, T4r, T4t; + T2o = FNMS(T2m, T2n, T2l); + T2w = FMA(T2u, T2v, T2s); + T2x = T2o - T2w; + T5s = T2w + T2o; + T4r = FMA(T2y, T2C, T4q); + T4t = FMA(TU, T2G, T4s); + T4u = T4r - T4t; + T5t = T4r + T4t; + } + { + E T2D, T2H, T3D, T3F; + T2D = FNMS(T2B, T2C, T2A); + T2H = FNMS(TW, T2G, T2F); + T2I = T2D - T2H; + T3H = T2D + T2H; + T3D = FNMS(T2q, T2v, T3C); + T3F = FMA(T2m, T2k, T3E); + T3G = T3D - T3F; + T4p = T3D + T3F; + } + T2J = T2x - T2I; + T5u = T5s + T5t; + T5U = T5t - T5s; + T3d = T2x + T2I; + T3I = T3G - T3H; + T4v = T4p + T4u; + T4V = T4u - T4p; + T3X = T3G + T3H; + } + { + E T1g, T5m, T4e, T5l, T1F, T3s, T3r, T4f; + { + E T17, T1f, T4b, T4d; + T17 = FNMS(T13, T16, T11); + T1f = FMA(Tm, T1e, T1b); + T1g = T17 - T1f; + T5m = T17 + T1f; + T4b = FMA(T1o, T1l, T4a); + T4d = FMA(T1A, T1x, T4c); + T4e = T4b - T4d; + T5l = T4b + T4d; + } + { + E T1s, T1E, T3o, T3q; + T1s = FNMS(T1o, T1r, T1m); + T1E = FNMS(T1A, T1D, T1y); + T1F = T1s - T1E; + T3s = T1s + T1E; + T3o = FNMS(Tp, T1e, T3n); + T3q = FMA(T13, T10, T3p); + T3r = T3o - T3q; + T4f = T3q + T3o; + } + T1G = T1g - T1F; + T5n = T5l + T5m; + T5Q = T5l - T5m; + T3a = T1F + T1g; + T3t = T3r - T3s; + T4g = T4e + T4f; + T4Y = T4e - T4f; + T3U = T3s + T3r; + } + } + { + E T50, T52, T37, T2L, T4R, T4S, T51, T4T; + { + E T4W, T4Z, T1H, T2K; + T4W = T4U - T4V; + T4Z = T4X - T4Y; + T50 = FNMS(KP618033988, T4Z, T4W); + T52 = FMA(KP618033988, T4W, T4Z); + T37 = T2Y + T36; + T1H = TT + T1G; + T2K = T2i + T2J; + T2L = T1H + T2K; + T4R = FMA(KP250000000, T2L, T37); + T4S = T1H - T2K; + } + Im[WS(rs, 4)] = KP500000000 * (T2L - T37); + T51 = FNMS(KP559016994, T4S, T4R); + Im[0] = -(KP500000000 * (FMA(KP951056516, T52, T51))); + Im[WS(rs, 8)] = -(KP500000000 * (FNMS(KP951056516, T52, T51))); + T4T = FMA(KP559016994, T4S, T4R); + Ip[WS(rs, 3)] = KP500000000 * (FNMS(KP951056516, T50, T4T)); + Ip[WS(rs, 7)] = KP500000000 * (FMA(KP951056516, T50, T4T)); + } + { + E T5c, T5e, T53, T56, T57, T58, T5d, T59; + { + E T5a, T5b, T54, T55; + T5a = T2J - T2i; + T5b = T1G - TT; + T5c = FNMS(KP618033988, T5b, T5a); + T5e = FMA(KP618033988, T5a, T5b); + T53 = T4D - T4E; + T54 = T4X + T4Y; + T55 = T4U + T4V; + T56 = T54 + T55; + T57 = FNMS(KP250000000, T56, T53); + T58 = T54 - T55; + } + Rm[WS(rs, 4)] = KP500000000 * (T53 + T56); + T5d = FMA(KP559016994, T58, T57); + Rm[WS(rs, 8)] = KP500000000 * (FMA(KP951056516, T5e, T5d)); + Rm[0] = KP500000000 * (FNMS(KP951056516, T5e, T5d)); + T59 = FNMS(KP559016994, T58, T57); + Rp[WS(rs, 3)] = KP500000000 * (FMA(KP951056516, T5c, T59)); + Rp[WS(rs, 7)] = KP500000000 * (FNMS(KP951056516, T5c, T59)); + } + { + E T4x, T4z, T38, T3f, T40, T41, T4y, T42; + { + E T4h, T4w, T3b, T3e; + T4h = T49 - T4g; + T4w = T4o - T4v; + T4x = FMA(KP618033988, T4w, T4h); + T4z = FNMS(KP618033988, T4h, T4w); + T38 = T36 - T2Y; + T3b = T39 + T3a; + T3e = T3c + T3d; + T3f = T3b + T3e; + T40 = FNMS(KP250000000, T3f, T38); + T41 = T3b - T3e; + } + Ip[WS(rs, 5)] = KP500000000 * (T38 + T3f); + T4y = FNMS(KP559016994, T41, T40); + Im[WS(rs, 2)] = -(KP500000000 * (FMA(KP951056516, T4z, T4y))); + Im[WS(rs, 6)] = -(KP500000000 * (FNMS(KP951056516, T4z, T4y))); + T42 = FMA(KP559016994, T41, T40); + Ip[WS(rs, 1)] = KP500000000 * (FNMS(KP951056516, T4x, T42)); + Ip[WS(rs, 9)] = KP500000000 * (FMA(KP951056516, T4x, T42)); + } + { + E T4O, T4Q, T4F, T4I, T4J, T4K, T4P, T4L; + { + E T4M, T4N, T4G, T4H; + T4M = T39 - T3a; + T4N = T3c - T3d; + T4O = FMA(KP618033988, T4N, T4M); + T4Q = FNMS(KP618033988, T4M, T4N); + T4F = T4D + T4E; + T4G = T49 + T4g; + T4H = T4o + T4v; + T4I = T4G + T4H; + T4J = FNMS(KP250000000, T4I, T4F); + T4K = T4G - T4H; + } + Rp[WS(rs, 5)] = KP500000000 * (T4F + T4I); + T4P = FNMS(KP559016994, T4K, T4J); + Rm[WS(rs, 6)] = KP500000000 * (FMA(KP951056516, T4Q, T4P)); + Rm[WS(rs, 2)] = KP500000000 * (FNMS(KP951056516, T4Q, T4P)); + T4L = FMA(KP559016994, T4K, T4J); + Rp[WS(rs, 1)] = KP500000000 * (FMA(KP951056516, T4O, T4L)); + Rp[WS(rs, 9)] = KP500000000 * (FNMS(KP951056516, T4O, T4L)); + } + { + E T5W, T5Y, T3R, T3K, T5N, T5O, T5X, T5P; + { + E T5S, T5V, T3u, T3J; + T5S = T5Q - T5R; + T5V = T5T - T5U; + T5W = FNMS(KP618033988, T5V, T5S); + T5Y = FMA(KP618033988, T5S, T5V); + T3R = T3P + T3Q; + T3u = T3m + T3t; + T3J = T3B + T3I; + T3K = T3u + T3J; + T5N = FMA(KP250000000, T3K, T3R); + T5O = T3J - T3u; + } + Im[WS(rs, 9)] = KP500000000 * (T3K - T3R); + T5X = FNMS(KP559016994, T5O, T5N); + Ip[WS(rs, 2)] = KP500000000 * (FMA(KP951056516, T5Y, T5X)); + Im[WS(rs, 1)] = -(KP500000000 * (FNMS(KP951056516, T5Y, T5X))); + T5P = FMA(KP559016994, T5O, T5N); + Ip[WS(rs, 6)] = KP500000000 * (FMA(KP951056516, T5W, T5P)); + Im[WS(rs, 5)] = -(KP500000000 * (FNMS(KP951056516, T5W, T5P))); + } + { + E T68, T6a, T5Z, T62, T63, T64, T69, T65; + { + E T66, T67, T60, T61; + T66 = T3I - T3B; + T67 = T3t - T3m; + T68 = FNMS(KP618033988, T67, T66); + T6a = FMA(KP618033988, T66, T67); + T5Z = T5f - T5g; + T60 = T5R + T5Q; + T61 = T5T + T5U; + T62 = T60 + T61; + T63 = FNMS(KP250000000, T62, T5Z); + T64 = T60 - T61; + } + Rm[WS(rs, 9)] = KP500000000 * (T5Z + T62); + T69 = FMA(KP559016994, T64, T63); + Rp[WS(rs, 6)] = KP500000000 * (FMA(KP951056516, T6a, T69)); + Rm[WS(rs, 5)] = KP500000000 * (FNMS(KP951056516, T6a, T69)); + T65 = FNMS(KP559016994, T64, T63); + Rp[WS(rs, 2)] = KP500000000 * (FNMS(KP951056516, T68, T65)); + Rm[WS(rs, 1)] = KP500000000 * (FMA(KP951056516, T68, T65)); + } + { + E T5K, T5M, T3S, T3Z, T5F, T5G, T5L, T5H; + { + E T5I, T5J, T3V, T3Y; + T5I = T5k - T5n; + T5J = T5u - T5r; + T5K = FNMS(KP618033988, T5J, T5I); + T5M = FMA(KP618033988, T5I, T5J); + T3S = T3Q - T3P; + T3V = T3T + T3U; + T3Y = T3W + T3X; + T3Z = T3V + T3Y; + T5F = FNMS(KP250000000, T3Z, T3S); + T5G = T3V - T3Y; + } + Ip[0] = KP500000000 * (T3S + T3Z); + T5L = FNMS(KP559016994, T5G, T5F); + Ip[WS(rs, 8)] = KP500000000 * (FMA(KP951056516, T5M, T5L)); + Im[WS(rs, 7)] = -(KP500000000 * (FNMS(KP951056516, T5M, T5L))); + T5H = FMA(KP559016994, T5G, T5F); + Ip[WS(rs, 4)] = KP500000000 * (FMA(KP951056516, T5K, T5H)); + Im[WS(rs, 3)] = -(KP500000000 * (FNMS(KP951056516, T5K, T5H))); + } + { + E T5C, T5E, T5h, T5w, T5x, T5y, T5D, T5z; + { + E T5A, T5B, T5o, T5v; + T5A = T3T - T3U; + T5B = T3W - T3X; + T5C = FMA(KP618033988, T5B, T5A); + T5E = FNMS(KP618033988, T5A, T5B); + T5h = T5f + T5g; + T5o = T5k + T5n; + T5v = T5r + T5u; + T5w = T5o + T5v; + T5x = FNMS(KP250000000, T5w, T5h); + T5y = T5o - T5v; + } + Rp[0] = KP500000000 * (T5h + T5w); + T5D = FNMS(KP559016994, T5y, T5x); + Rp[WS(rs, 8)] = KP500000000 * (FMA(KP951056516, T5E, T5D)); + Rm[WS(rs, 7)] = KP500000000 * (FNMS(KP951056516, T5E, T5D)); + T5z = FMA(KP559016994, T5y, T5x); + Rp[WS(rs, 4)] = KP500000000 * (FNMS(KP951056516, T5C, T5z)); + Rm[WS(rs, 3)] = KP500000000 * (FMA(KP951056516, T5C, T5z)); + } + } + } + } +} + +static const tw_instr twinstr[] = { + {TW_CEXP, 1, 1}, + {TW_CEXP, 1, 3}, + {TW_CEXP, 1, 9}, + {TW_CEXP, 1, 19}, + {TW_NEXT, 1, 0} +}; + +static const hc2c_desc desc = { 20, "hc2cfdft2_20", twinstr, &GENUS, {176, 98, 140, 0} }; + +void X(codelet_hc2cfdft2_20) (planner *p) { + X(khc2c_register) (p, hc2cfdft2_20, &desc, HC2C_VIA_DFT); +} +#else + +/* Generated by: ../../../genfft/gen_hc2cdft.native -compact -variables 4 -pipeline-latency 4 -twiddle-log3 -precompute-twiddles -n 20 -dit -name hc2cfdft2_20 -include rdft/scalar/hc2cf.h */ + +/* + * This function contains 316 FP additions, 180 FP multiplications, + * (or, 244 additions, 108 multiplications, 72 fused multiply/add), + * 134 stack variables, 5 constants, and 80 memory accesses + */ +#include "rdft/scalar/hc2cf.h" + +static void hc2cfdft2_20(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms) +{ + DK(KP125000000, +0.125000000000000000000000000000000000000000000); + DK(KP500000000, +0.500000000000000000000000000000000000000000000); + DK(KP279508497, +0.279508497187473712051146708591409529430077295); + DK(KP293892626, +0.293892626146236564584352977319536384298826219); + DK(KP475528258, +0.475528258147576786058219666689691071702849317); + { + INT m; + for (m = mb, W = W + ((mb - 1) * 8); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 8, MAKE_VOLATILE_STRIDE(80, rs)) { + E T4, T7, Tm, To, Tq, Tu, T1I, T1G, T8, T5, Ta, T1u, T2u, Tg, T2s; + E T21, T1A, T1Z, T1O, T2I, T1K, T2G, Tw, TC, T2a, T2e, TH, TI, TJ, TX; + E T2D, TN, T2B, T26, T1n, TZ, T24, T1j; + { + E T9, T1y, Te, T1t, T6, T1z, Tf, T1s; + { + E Tn, Tt, Tp, Ts; + T4 = W[0]; + T7 = W[1]; + Tm = W[2]; + To = W[3]; + Tn = T4 * Tm; + Tt = T7 * Tm; + Tp = T7 * To; + Ts = T4 * To; + Tq = Tn - Tp; + Tu = Ts + Tt; + T1I = Ts - Tt; + T1G = Tn + Tp; + T8 = W[5]; + T9 = T7 * T8; + T1y = Tm * T8; + Te = T4 * T8; + T1t = To * T8; + T5 = W[4]; + T6 = T4 * T5; + T1z = To * T5; + Tf = T7 * T5; + T1s = Tm * T5; + } + Ta = T6 - T9; + T1u = T1s + T1t; + T2u = T1y + T1z; + Tg = Te + Tf; + T2s = T1s - T1t; + T21 = Te - Tf; + T1A = T1y - T1z; + T1Z = T6 + T9; + { + E T1M, T1N, T1H, T1J; + T1M = T1G * T8; + T1N = T1I * T5; + T1O = T1M + T1N; + T2I = T1M - T1N; + T1H = T1G * T5; + T1J = T1I * T8; + T1K = T1H - T1J; + T2G = T1H + T1J; + { + E Tr, Tv, TA, TB; + Tr = Tq * T5; + Tv = Tu * T8; + Tw = Tr + Tv; + TA = Tq * T8; + TB = Tu * T5; + TC = TA - TB; + T2a = Tr - Tv; + T2e = TA + TB; + TH = W[6]; + TI = W[7]; + TJ = FMA(Tq, TH, Tu * TI); + TX = FMA(Tw, TH, TC * TI); + T2D = FMA(T1G, TH, T1I * TI); + TN = FNMS(Tu, TH, Tq * TI); + T2B = FNMS(T1I, TH, T1G * TI); + T26 = FNMS(T7, TH, T4 * TI); + T1n = FNMS(To, TH, Tm * TI); + TZ = FNMS(TC, TH, Tw * TI); + T24 = FMA(T4, TH, T7 * TI); + T1j = FMA(Tm, TH, To * TI); + } + } + } + { + E Tl, T3n, T1i, T2Q, T47, T50, T4S, T5i, T2M, T2T, T4I, T5f, T4L, T5e, T4P; + E T5h, T2r, T2S, T1X, T2P, T31, T3u, T36, T3t, T3E, T4l, T3U, T4j, T3h, T3r; + E T3J, T4m, T3c, T3q, T3P, T4i, TS, T51, T3m, T48; + { + E T3, T45, T1V, T3f, Tz, TF, TW, T3A, TM, TQ, T11, T3B, Td, Tj, T1Q; + E T3e, T19, T3L, T23, T39, T2p, T3S, T2z, T34, T1E, T3G, T2K, T2Y, T1g, T3M; + E T28, T3a, T2i, T3R, T2w, T33, T1r, T3F, T2F, T2X, T4N, T4O; + { + E T1, T2, T1R, T1S, T1T, T1U; + T1 = Ip[0]; + T2 = Im[0]; + T1R = T1 + T2; + T1S = Rp[0]; + T1T = Rm[0]; + T1U = T1S - T1T; + T3 = T1 - T2; + T45 = T1S + T1T; + T1V = FNMS(T7, T1U, T4 * T1R); + T3f = FMA(T4, T1U, T7 * T1R); + } + { + E Tx, Ty, TU, TD, TE, TV; + Tx = Ip[WS(rs, 2)]; + Ty = Im[WS(rs, 2)]; + TU = Tx - Ty; + TD = Rp[WS(rs, 2)]; + TE = Rm[WS(rs, 2)]; + TV = TD + TE; + Tz = Tx + Ty; + TF = TD - TE; + TW = FNMS(Tu, TV, Tq * TU); + T3A = FMA(Tu, TU, Tq * TV); + } + { + E TK, TL, TY, TO, TP, T10; + TK = Ip[WS(rs, 7)]; + TL = Im[WS(rs, 7)]; + TY = TK - TL; + TO = Rp[WS(rs, 7)]; + TP = Rm[WS(rs, 7)]; + T10 = TO + TP; + TM = TK + TL; + TQ = TO - TP; + T11 = FNMS(TZ, T10, TX * TY); + T3B = FMA(TZ, TY, TX * T10); + } + { + E Tb, Tc, T1L, Th, Ti, T1P; + Tb = Ip[WS(rs, 5)]; + Tc = Im[WS(rs, 5)]; + T1L = Tb + Tc; + Th = Rp[WS(rs, 5)]; + Ti = Rm[WS(rs, 5)]; + T1P = Th - Ti; + Td = Tb - Tc; + Tj = Th + Ti; + T1Q = FNMS(T1O, T1P, T1K * T1L); + T3e = FMA(T1K, T1P, T1O * T1L); + } + { + E T15, T20, T18, T22; + { + E T13, T14, T16, T17; + T13 = Ip[WS(rs, 4)]; + T14 = Im[WS(rs, 4)]; + T15 = T13 + T14; + T20 = T13 - T14; + T16 = Rp[WS(rs, 4)]; + T17 = Rm[WS(rs, 4)]; + T18 = T16 - T17; + T22 = T16 + T17; + } + T19 = FNMS(T8, T18, T5 * T15); + T3L = FMA(T21, T20, T1Z * T22); + T23 = FNMS(T21, T22, T1Z * T20); + T39 = FMA(T8, T15, T5 * T18); + } + { + E T2l, T2x, T2o, T2y; + { + E T2j, T2k, T2m, T2n; + T2j = Ip[WS(rs, 1)]; + T2k = Im[WS(rs, 1)]; + T2l = T2j + T2k; + T2x = T2j - T2k; + T2m = Rp[WS(rs, 1)]; + T2n = Rm[WS(rs, 1)]; + T2o = T2m - T2n; + T2y = T2m + T2n; + } + T2p = FNMS(To, T2o, Tm * T2l); + T3S = FMA(T1I, T2x, T1G * T2y); + T2z = FNMS(T1I, T2y, T1G * T2x); + T34 = FMA(To, T2l, Tm * T2o); + } + { + E T1x, T2H, T1D, T2J; + { + E T1v, T1w, T1B, T1C; + T1v = Ip[WS(rs, 3)]; + T1w = Im[WS(rs, 3)]; + T1x = T1v - T1w; + T2H = T1v + T1w; + T1B = Rp[WS(rs, 3)]; + T1C = Rm[WS(rs, 3)]; + T1D = T1B + T1C; + T2J = T1B - T1C; + } + T1E = FNMS(T1A, T1D, T1u * T1x); + T3G = FMA(T1u, T1D, T1A * T1x); + T2K = FNMS(T2I, T2J, T2G * T2H); + T2Y = FMA(T2G, T2J, T2I * T2H); + } + { + E T1c, T25, T1f, T27; + { + E T1a, T1b, T1d, T1e; + T1a = Ip[WS(rs, 9)]; + T1b = Im[WS(rs, 9)]; + T1c = T1a + T1b; + T25 = T1a - T1b; + T1d = Rp[WS(rs, 9)]; + T1e = Rm[WS(rs, 9)]; + T1f = T1d - T1e; + T27 = T1d + T1e; + } + T1g = FNMS(TI, T1f, TH * T1c); + T3M = FMA(T26, T25, T24 * T27); + T28 = FNMS(T26, T27, T24 * T25); + T3a = FMA(TI, T1c, TH * T1f); + } + { + E T2d, T2t, T2h, T2v; + { + E T2b, T2c, T2f, T2g; + T2b = Ip[WS(rs, 6)]; + T2c = Im[WS(rs, 6)]; + T2d = T2b + T2c; + T2t = T2b - T2c; + T2f = Rp[WS(rs, 6)]; + T2g = Rm[WS(rs, 6)]; + T2h = T2f - T2g; + T2v = T2f + T2g; + } + T2i = FNMS(T2e, T2h, T2a * T2d); + T3R = FMA(T2u, T2t, T2s * T2v); + T2w = FNMS(T2u, T2v, T2s * T2t); + T33 = FMA(T2e, T2d, T2a * T2h); + } + { + E T1m, T2E, T1q, T2C; + { + E T1k, T1l, T1o, T1p; + T1k = Ip[WS(rs, 8)]; + T1l = Im[WS(rs, 8)]; + T1m = T1k - T1l; + T2E = T1k + T1l; + T1o = Rp[WS(rs, 8)]; + T1p = Rm[WS(rs, 8)]; + T1q = T1o + T1p; + T2C = T1p - T1o; + } + T1r = FNMS(T1n, T1q, T1j * T1m); + T3F = FMA(T1j, T1q, T1n * T1m); + T2F = FMA(T2B, T2C, T2D * T2E); + T2X = FNMS(T2B, T2E, T2D * T2C); + } + { + E Tk, T12, T1h, T46; + Tk = FNMS(Tg, Tj, Ta * Td); + Tl = T3 - Tk; + T3n = Tk + T3; + T12 = TW - T11; + T1h = T19 - T1g; + T1i = T12 - T1h; + T2Q = T12 + T1h; + T46 = FMA(Ta, Tj, Tg * Td); + T47 = T45 - T46; + T50 = T45 + T46; + { + E T4Q, T4R, T2A, T2L; + T4Q = T2F + T2K; + T4R = T3R + T3S; + T4S = T4Q + T4R; + T5i = T4R - T4Q; + T2A = T2w - T2z; + T2L = T2F - T2K; + T2M = T2A - T2L; + T2T = T2L + T2A; + } + } + { + E T4G, T4H, T4J, T4K; + T4G = T3A + T3B; + T4H = T19 + T1g; + T4I = T4G + T4H; + T5f = T4G - T4H; + T4J = T3F + T3G; + T4K = T1Q + T1V; + T4L = T4J + T4K; + T5e = T4J - T4K; + } + T4N = T3L + T3M; + T4O = T2i + T2p; + T4P = T4N + T4O; + T5h = T4N - T4O; + { + E T29, T2q, T1F, T1W; + T29 = T23 - T28; + T2q = T2i - T2p; + T2r = T29 - T2q; + T2S = T29 + T2q; + T1F = T1r - T1E; + T1W = T1Q - T1V; + T1X = T1F + T1W; + T2P = T1W - T1F; + } + { + E T3C, T3D, T3N, T3O; + { + E T2Z, T30, T32, T35; + T2Z = T2X - T2Y; + T30 = T2w + T2z; + T31 = T2Z - T30; + T3u = T2Z + T30; + T32 = T23 + T28; + T35 = T33 + T34; + T36 = T32 + T35; + T3t = T32 - T35; + } + T3C = T3A - T3B; + T3D = T3a - T39; + T3E = T3C + T3D; + T4l = T3C - T3D; + { + E T3Q, T3T, T3d, T3g; + T3Q = T2X + T2Y; + T3T = T3R - T3S; + T3U = T3Q + T3T; + T4j = T3T - T3Q; + T3d = T1r + T1E; + T3g = T3e + T3f; + T3h = T3d + T3g; + T3r = T3d - T3g; + } + { + E T3H, T3I, T38, T3b; + T3H = T3F - T3G; + T3I = T3e - T3f; + T3J = T3H + T3I; + T4m = T3H - T3I; + T38 = TW + T11; + T3b = T39 + T3a; + T3c = T38 + T3b; + T3q = T38 - T3b; + } + T3N = T3L - T3M; + T3O = T34 - T33; + T3P = T3N + T3O; + T4i = T3N - T3O; + { + E TG, TR, T3k, T3l; + TG = FNMS(TC, TF, Tw * Tz); + TR = FNMS(TN, TQ, TJ * TM); + TS = TG - TR; + T51 = TG + TR; + T3k = FMA(TC, Tz, Tw * TF); + T3l = FMA(TN, TM, TJ * TQ); + T3m = T3k + T3l; + T48 = T3l - T3k; + } + } + } + { + E T3W, T3Y, TT, T2O, T3x, T3y, T3X, T3z; + { + E T3K, T3V, T1Y, T2N; + T3K = T3E - T3J; + T3V = T3P - T3U; + T3W = FMA(KP475528258, T3K, KP293892626 * T3V); + T3Y = FNMS(KP293892626, T3K, KP475528258 * T3V); + TT = Tl - TS; + T1Y = T1i + T1X; + T2N = T2r + T2M; + T2O = T1Y + T2N; + T3x = KP279508497 * (T1Y - T2N); + T3y = FNMS(KP125000000, T2O, KP500000000 * TT); + } + Ip[WS(rs, 5)] = KP500000000 * (TT + T2O); + T3X = T3x - T3y; + Im[WS(rs, 2)] = T3X - T3Y; + Im[WS(rs, 6)] = T3X + T3Y; + T3z = T3x + T3y; + Ip[WS(rs, 1)] = T3z - T3W; + Ip[WS(rs, 9)] = T3z + T3W; + } + { + E T41, T4d, T49, T4a, T44, T4b, T4e, T4c; + { + E T3Z, T40, T42, T43; + T3Z = T1i - T1X; + T40 = T2r - T2M; + T41 = FMA(KP475528258, T3Z, KP293892626 * T40); + T4d = FNMS(KP293892626, T3Z, KP475528258 * T40); + T49 = T47 + T48; + T42 = T3E + T3J; + T43 = T3P + T3U; + T4a = T42 + T43; + T44 = KP279508497 * (T42 - T43); + T4b = FNMS(KP125000000, T4a, KP500000000 * T49); + } + Rp[WS(rs, 5)] = KP500000000 * (T49 + T4a); + T4e = T4b - T44; + Rm[WS(rs, 6)] = T4d + T4e; + Rm[WS(rs, 2)] = T4e - T4d; + T4c = T44 + T4b; + Rp[WS(rs, 1)] = T41 + T4c; + Rp[WS(rs, 9)] = T4c - T41; + } + { + E T4o, T4q, T2W, T2V, T4f, T4g, T4p, T4h; + { + E T4k, T4n, T2R, T2U; + T4k = T4i - T4j; + T4n = T4l - T4m; + T4o = FNMS(KP293892626, T4n, KP475528258 * T4k); + T4q = FMA(KP475528258, T4n, KP293892626 * T4k); + T2W = TS + Tl; + T2R = T2P - T2Q; + T2U = T2S + T2T; + T2V = T2R - T2U; + T4f = FMA(KP500000000, T2W, KP125000000 * T2V); + T4g = KP279508497 * (T2R + T2U); + } + Im[WS(rs, 4)] = KP500000000 * (T2V - T2W); + T4p = T4g - T4f; + Im[0] = T4p - T4q; + Im[WS(rs, 8)] = T4p + T4q; + T4h = T4f + T4g; + Ip[WS(rs, 3)] = T4h - T4o; + Ip[WS(rs, 7)] = T4h + T4o; + } + { + E T4t, T4B, T4u, T4x, T4y, T4z, T4C, T4A; + { + E T4r, T4s, T4v, T4w; + T4r = T2S - T2T; + T4s = T2Q + T2P; + T4t = FNMS(KP293892626, T4s, KP475528258 * T4r); + T4B = FMA(KP475528258, T4s, KP293892626 * T4r); + T4u = T47 - T48; + T4v = T4l + T4m; + T4w = T4i + T4j; + T4x = T4v + T4w; + T4y = FNMS(KP125000000, T4x, KP500000000 * T4u); + T4z = KP279508497 * (T4v - T4w); + } + Rm[WS(rs, 4)] = KP500000000 * (T4u + T4x); + T4C = T4z + T4y; + Rm[WS(rs, 8)] = T4B + T4C; + Rm[0] = T4C - T4B; + T4A = T4y - T4z; + Rp[WS(rs, 3)] = T4t + T4A; + Rp[WS(rs, 7)] = T4A - T4t; + } + { + E T5k, T5m, T3o, T3j, T5b, T5c, T5l, T5d; + { + E T5g, T5j, T37, T3i; + T5g = T5e - T5f; + T5j = T5h - T5i; + T5k = FNMS(KP293892626, T5j, KP475528258 * T5g); + T5m = FMA(KP293892626, T5g, KP475528258 * T5j); + T3o = T3m + T3n; + T37 = T31 - T36; + T3i = T3c + T3h; + T3j = T37 - T3i; + T5b = FMA(KP500000000, T3o, KP125000000 * T3j); + T5c = KP279508497 * (T3i + T37); + } + Im[WS(rs, 9)] = KP500000000 * (T3j - T3o); + T5l = T5b - T5c; + Ip[WS(rs, 2)] = T5l + T5m; + Im[WS(rs, 1)] = T5m - T5l; + T5d = T5b + T5c; + Ip[WS(rs, 6)] = T5d + T5k; + Im[WS(rs, 5)] = T5k - T5d; + } + { + E T5w, T5x, T5n, T5q, T5r, T5s, T5y, T5t; + { + E T5u, T5v, T5o, T5p; + T5u = T36 + T31; + T5v = T3c - T3h; + T5w = FNMS(KP293892626, T5v, KP475528258 * T5u); + T5x = FMA(KP475528258, T5v, KP293892626 * T5u); + T5n = T50 - T51; + T5o = T5f + T5e; + T5p = T5h + T5i; + T5q = T5o + T5p; + T5r = FNMS(KP125000000, T5q, KP500000000 * T5n); + T5s = KP279508497 * (T5o - T5p); + } + Rm[WS(rs, 9)] = KP500000000 * (T5n + T5q); + T5y = T5s + T5r; + Rp[WS(rs, 6)] = T5x + T5y; + Rm[WS(rs, 5)] = T5y - T5x; + T5t = T5r - T5s; + Rp[WS(rs, 2)] = T5t - T5w; + Rm[WS(rs, 1)] = T5w + T5t; + } + { + E T4U, T4W, T3p, T3w, T4D, T4E, T4V, T4F; + { + E T4M, T4T, T3s, T3v; + T4M = T4I - T4L; + T4T = T4P - T4S; + T4U = FNMS(KP475528258, T4T, KP293892626 * T4M); + T4W = FMA(KP475528258, T4M, KP293892626 * T4T); + T3p = T3n - T3m; + T3s = T3q + T3r; + T3v = T3t + T3u; + T3w = T3s + T3v; + T4D = FNMS(KP125000000, T3w, KP500000000 * T3p); + T4E = KP279508497 * (T3s - T3v); + } + Ip[0] = KP500000000 * (T3p + T3w); + T4V = T4E + T4D; + Ip[WS(rs, 4)] = T4V + T4W; + Im[WS(rs, 3)] = T4W - T4V; + T4F = T4D - T4E; + Ip[WS(rs, 8)] = T4F + T4U; + Im[WS(rs, 7)] = T4U - T4F; + } + { + E T58, T59, T52, T53, T4Z, T54, T5a, T55; + { + E T56, T57, T4X, T4Y; + T56 = T3q - T3r; + T57 = T3t - T3u; + T58 = FMA(KP475528258, T56, KP293892626 * T57); + T59 = FNMS(KP293892626, T56, KP475528258 * T57); + T52 = T50 + T51; + T4X = T4I + T4L; + T4Y = T4P + T4S; + T53 = T4X + T4Y; + T4Z = KP279508497 * (T4X - T4Y); + T54 = FNMS(KP125000000, T53, KP500000000 * T52); + } + Rp[0] = KP500000000 * (T52 + T53); + T5a = T54 - T4Z; + Rp[WS(rs, 8)] = T59 + T5a; + Rm[WS(rs, 7)] = T5a - T59; + T55 = T4Z + T54; + Rp[WS(rs, 4)] = T55 - T58; + Rm[WS(rs, 3)] = T58 + T55; + } + } + } + } +} + +static const tw_instr twinstr[] = { + {TW_CEXP, 1, 1}, + {TW_CEXP, 1, 3}, + {TW_CEXP, 1, 9}, + {TW_CEXP, 1, 19}, + {TW_NEXT, 1, 0} +}; + +static const hc2c_desc desc = { 20, "hc2cfdft2_20", twinstr, &GENUS, {244, 108, 72, 0} }; + +void X(codelet_hc2cfdft2_20) (planner *p) { + X(khc2c_register) (p, hc2cfdft2_20, &desc, HC2C_VIA_DFT); +} +#endif