?? t2bv_20.c
字號:
VTW(0, 19), {TW_NEXT, VL, 0}};static const ct_desc desc = { 20, "t2bv_20", twinstr, &GENUS, {77, 42, 46, 0}, 0, 0, 0 };void X(codelet_t2bv_20) (planner *p) { X(kdft_dit_register) (p, t2bv_20, &desc);}#else /* HAVE_FMA *//* Generated by: ../../../genfft/gen_twiddle_c -simd -compact -variables 4 -pipeline-latency 8 -n 20 -name t2bv_20 -include t2b.h -sign 1 *//* * This function contains 123 FP additions, 62 FP multiplications, * (or, 111 additions, 50 multiplications, 12 fused multiply/add), * 54 stack variables, 4 constants, and 40 memory accesses */#include "t2b.h"static void t2bv_20(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms){ DVK(KP587785252, +0.587785252292473129168705954639072768597652438); DVK(KP951056516, +0.951056516295153572116439333379382143405698634); DVK(KP250000000, +0.250000000000000000000000000000000000000000000); DVK(KP559016994, +0.559016994374947424102293417182819058860154590); INT m; R *x; x = ii; for (m = mb, W = W + (mb * ((TWVL / VL) * 38)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 38), MAKE_VOLATILE_STRIDE(rs)) { V T4, T10, T1B, T1R, TF, T14, T15, TQ, Tf, Tq, Tr, T1N, T1O, T1P, T1t; V T1w, T1D, TT, TU, T11, T1K, T1L, T1M, T1m, T1p, T1C, T1i, T1j; { V T1, TZ, T3, TX, TY, T2, TW, T1z, T1A; T1 = LD(&(x[0]), ms, &(x[0])); TY = LD(&(x[WS(rs, 15)]), ms, &(x[WS(rs, 1)])); TZ = BYTW(&(W[TWVL * 28]), TY); T2 = LD(&(x[WS(rs, 10)]), ms, &(x[0])); T3 = BYTW(&(W[TWVL * 18]), T2); TW = LD(&(x[WS(rs, 5)]), ms, &(x[WS(rs, 1)])); TX = BYTW(&(W[TWVL * 8]), TW); T4 = VSUB(T1, T3); T10 = VSUB(TX, TZ); T1z = VADD(T1, T3); T1A = VADD(TX, TZ); T1B = VSUB(T1z, T1A); T1R = VADD(T1z, T1A); } { V T9, T1k, TK, T1s, TP, T1v, Te, T1n, Tk, T1r, Tz, T1l, TE, T1o, Tp; V T1u; { V T6, T8, T5, T7; T5 = LD(&(x[WS(rs, 4)]), ms, &(x[0])); T6 = BYTW(&(W[TWVL * 6]), T5); T7 = LD(&(x[WS(rs, 14)]), ms, &(x[0])); T8 = BYTW(&(W[TWVL * 26]), T7); T9 = VSUB(T6, T8); T1k = VADD(T6, T8); } { V TH, TJ, TG, TI; TG = LD(&(x[WS(rs, 13)]), ms, &(x[WS(rs, 1)])); TH = BYTW(&(W[TWVL * 24]), TG); TI = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)])); TJ = BYTW(&(W[TWVL * 4]), TI); TK = VSUB(TH, TJ); T1s = VADD(TH, TJ); } { V TM, TO, TL, TN; TL = LD(&(x[WS(rs, 17)]), ms, &(x[WS(rs, 1)])); TM = BYTW(&(W[TWVL * 32]), TL); TN = LD(&(x[WS(rs, 7)]), ms, &(x[WS(rs, 1)])); TO = BYTW(&(W[TWVL * 12]), TN); TP = VSUB(TM, TO); T1v = VADD(TM, TO); } { V Tb, Td, Ta, Tc; Ta = LD(&(x[WS(rs, 16)]), ms, &(x[0])); Tb = BYTW(&(W[TWVL * 30]), Ta); Tc = LD(&(x[WS(rs, 6)]), ms, &(x[0])); Td = BYTW(&(W[TWVL * 10]), Tc); Te = VSUB(Tb, Td); T1n = VADD(Tb, Td); } { V Th, Tj, Tg, Ti; Tg = LD(&(x[WS(rs, 8)]), ms, &(x[0])); Th = BYTW(&(W[TWVL * 14]), Tg); Ti = LD(&(x[WS(rs, 18)]), ms, &(x[0])); Tj = BYTW(&(W[TWVL * 34]), Ti); Tk = VSUB(Th, Tj); T1r = VADD(Th, Tj); } { V Tw, Ty, Tv, Tx; Tv = LD(&(x[WS(rs, 9)]), ms, &(x[WS(rs, 1)])); Tw = BYTW(&(W[TWVL * 16]), Tv); Tx = LD(&(x[WS(rs, 19)]), ms, &(x[WS(rs, 1)])); Ty = BYTW(&(W[TWVL * 36]), Tx); Tz = VSUB(Tw, Ty); T1l = VADD(Tw, Ty); } { V TB, TD, TA, TC; TA = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)])); TB = BYTW(&(W[0]), TA); TC = LD(&(x[WS(rs, 11)]), ms, &(x[WS(rs, 1)])); TD = BYTW(&(W[TWVL * 20]), TC); TE = VSUB(TB, TD); T1o = VADD(TB, TD); } { V Tm, To, Tl, Tn; Tl = LD(&(x[WS(rs, 12)]), ms, &(x[0])); Tm = BYTW(&(W[TWVL * 22]), Tl); Tn = LD(&(x[WS(rs, 2)]), ms, &(x[0])); To = BYTW(&(W[TWVL * 2]), Tn); Tp = VSUB(Tm, To); T1u = VADD(Tm, To); } TF = VSUB(Tz, TE); T14 = VSUB(T9, Te); T15 = VSUB(Tk, Tp); TQ = VSUB(TK, TP); Tf = VADD(T9, Te); Tq = VADD(Tk, Tp); Tr = VADD(Tf, Tq); T1N = VADD(T1r, T1s); T1O = VADD(T1u, T1v); T1P = VADD(T1N, T1O); T1t = VSUB(T1r, T1s); T1w = VSUB(T1u, T1v); T1D = VADD(T1t, T1w); TT = VADD(Tz, TE); TU = VADD(TK, TP); T11 = VADD(TT, TU); T1K = VADD(T1k, T1l); T1L = VADD(T1n, T1o); T1M = VADD(T1K, T1L); T1m = VSUB(T1k, T1l); T1p = VSUB(T1n, T1o); T1C = VADD(T1m, T1p); } T1i = VADD(T4, Tr); T1j = VBYI(VADD(T10, T11)); ST(&(x[WS(rs, 15)]), VSUB(T1i, T1j), ms, &(x[WS(rs, 1)])); ST(&(x[WS(rs, 5)]), VADD(T1i, T1j), ms, &(x[WS(rs, 1)])); { V T1Q, T1S, T1T, T1X, T1Z, T1V, T1W, T1Y, T1U; T1Q = VMUL(LDK(KP559016994), VSUB(T1M, T1P)); T1S = VADD(T1M, T1P); T1T = VFNMS(LDK(KP250000000), T1S, T1R); T1V = VSUB(T1K, T1L); T1W = VSUB(T1N, T1O); T1X = VBYI(VFMA(LDK(KP951056516), T1V, VMUL(LDK(KP587785252), T1W))); T1Z = VBYI(VFNMS(LDK(KP951056516), T1W, VMUL(LDK(KP587785252), T1V))); ST(&(x[0]), VADD(T1R, T1S), ms, &(x[0])); T1Y = VSUB(T1T, T1Q); ST(&(x[WS(rs, 8)]), VSUB(T1Y, T1Z), ms, &(x[0])); ST(&(x[WS(rs, 12)]), VADD(T1Z, T1Y), ms, &(x[0])); T1U = VADD(T1Q, T1T); ST(&(x[WS(rs, 4)]), VSUB(T1U, T1X), ms, &(x[0])); ST(&(x[WS(rs, 16)]), VADD(T1X, T1U), ms, &(x[0])); } { V T1G, T1E, T1F, T1y, T1I, T1q, T1x, T1J, T1H; T1G = VMUL(LDK(KP559016994), VSUB(T1C, T1D)); T1E = VADD(T1C, T1D); T1F = VFNMS(LDK(KP250000000), T1E, T1B); T1q = VSUB(T1m, T1p); T1x = VSUB(T1t, T1w); T1y = VBYI(VFNMS(LDK(KP951056516), T1x, VMUL(LDK(KP587785252), T1q))); T1I = VBYI(VFMA(LDK(KP951056516), T1q, VMUL(LDK(KP587785252), T1x))); ST(&(x[WS(rs, 10)]), VADD(T1B, T1E), ms, &(x[0])); T1J = VADD(T1G, T1F); ST(&(x[WS(rs, 6)]), VADD(T1I, T1J), ms, &(x[0])); ST(&(x[WS(rs, 14)]), VSUB(T1J, T1I), ms, &(x[0])); T1H = VSUB(T1F, T1G); ST(&(x[WS(rs, 2)]), VADD(T1y, T1H), ms, &(x[0])); ST(&(x[WS(rs, 18)]), VSUB(T1H, T1y), ms, &(x[0])); } { V TR, T16, T1d, T1b, T13, T1e, Tu, T1a; TR = VFNMS(LDK(KP951056516), TQ, VMUL(LDK(KP587785252), TF)); T16 = VFNMS(LDK(KP951056516), T15, VMUL(LDK(KP587785252), T14)); T1d = VFMA(LDK(KP951056516), T14, VMUL(LDK(KP587785252), T15)); T1b = VFMA(LDK(KP951056516), TF, VMUL(LDK(KP587785252), TQ)); { V TV, T12, Ts, Tt; TV = VMUL(LDK(KP559016994), VSUB(TT, TU)); T12 = VFNMS(LDK(KP250000000), T11, T10); T13 = VSUB(TV, T12); T1e = VADD(TV, T12); Ts = VFNMS(LDK(KP250000000), Tr, T4); Tt = VMUL(LDK(KP559016994), VSUB(Tf, Tq)); Tu = VSUB(Ts, Tt); T1a = VADD(Tt, Ts); } { V TS, T17, T1g, T1h; TS = VSUB(Tu, TR); T17 = VBYI(VSUB(T13, T16)); ST(&(x[WS(rs, 17)]), VSUB(TS, T17), ms, &(x[WS(rs, 1)])); ST(&(x[WS(rs, 3)]), VADD(TS, T17), ms, &(x[WS(rs, 1)])); T1g = VADD(T1a, T1b); T1h = VBYI(VSUB(T1e, T1d)); ST(&(x[WS(rs, 11)]), VSUB(T1g, T1h), ms, &(x[WS(rs, 1)])); ST(&(x[WS(rs, 9)]), VADD(T1g, T1h), ms, &(x[WS(rs, 1)])); } { V T18, T19, T1c, T1f; T18 = VADD(Tu, TR); T19 = VBYI(VADD(T16, T13)); ST(&(x[WS(rs, 13)]), VSUB(T18, T19), ms, &(x[WS(rs, 1)])); ST(&(x[WS(rs, 7)]), VADD(T18, T19), ms, &(x[WS(rs, 1)])); T1c = VSUB(T1a, T1b); T1f = VBYI(VADD(T1d, T1e)); ST(&(x[WS(rs, 19)]), VSUB(T1c, T1f), ms, &(x[WS(rs, 1)])); ST(&(x[WS(rs, 1)]), VADD(T1c, T1f), ms, &(x[WS(rs, 1)])); } } }}static const tw_instr twinstr[] = { VTW(0, 1), VTW(0, 2), VTW(0, 3), VTW(0, 4), VTW(0, 5), VTW(0, 6), VTW(0, 7), VTW(0, 8), VTW(0, 9), VTW(0, 10), VTW(0, 11), VTW(0, 12), VTW(0, 13), VTW(0, 14), VTW(0, 15), VTW(0, 16), VTW(0, 17), VTW(0, 18), VTW(0, 19), {TW_NEXT, VL, 0}};static const ct_desc desc = { 20, "t2bv_20", twinstr, &GENUS, {111, 50, 12, 0}, 0, 0, 0 };void X(codelet_t2bv_20) (planner *p) { X(kdft_dit_register) (p, t2bv_20, &desc);}#endif /* HAVE_FMA */
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