Editando: erf_s390x.s
// Copyright 2017 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. #include "textflag.h" // Minimax polynomial coefficients and other constants DATA ·erfrodataL13<> + 0(SB)/8, $0.243673229298474689E+01 DATA ·erfrodataL13<> + 8(SB)/8, $-.654905018503145600E+00 DATA ·erfrodataL13<> + 16(SB)/8, $0.404669310217538718E+01 DATA ·erfrodataL13<> + 24(SB)/8, $-.564189219162765367E+00 DATA ·erfrodataL13<> + 32(SB)/8, $-.200104300906596851E+01 DATA ·erfrodataL13<> + 40(SB)/8, $0.5 DATA ·erfrodataL13<> + 48(SB)/8, $0.144070097650207154E+00 DATA ·erfrodataL13<> + 56(SB)/8, $-.116697735205906191E+00 DATA ·erfrodataL13<> + 64(SB)/8, $0.256847684882319665E-01 DATA ·erfrodataL13<> + 72(SB)/8, $-.510805169106229148E-02 DATA ·erfrodataL13<> + 80(SB)/8, $0.885258164825590267E-03 DATA ·erfrodataL13<> + 88(SB)/8, $-.133861989591931411E-03 DATA ·erfrodataL13<> + 96(SB)/8, $0.178294867340272534E-04 DATA ·erfrodataL13<> + 104(SB)/8, $-.211436095674019218E-05 DATA ·erfrodataL13<> + 112(SB)/8, $0.225503753499344434E-06 DATA ·erfrodataL13<> + 120(SB)/8, $-.218247939190783624E-07 DATA ·erfrodataL13<> + 128(SB)/8, $0.193179206264594029E-08 DATA ·erfrodataL13<> + 136(SB)/8, $-.157440643541715319E-09 DATA ·erfrodataL13<> + 144(SB)/8, $0.118878583237342616E-10 DATA ·erfrodataL13<> + 152(SB)/8, $0.554289288424588473E-13 DATA ·erfrodataL13<> + 160(SB)/8, $-.277649758489502214E-14 DATA ·erfrodataL13<> + 168(SB)/8, $-.839318416990049443E-12 DATA ·erfrodataL13<> + 176(SB)/8, $-2.25 DATA ·erfrodataL13<> + 184(SB)/8, $.12837916709551258632 DATA ·erfrodataL13<> + 192(SB)/8, $1.0 DATA ·erfrodataL13<> + 200(SB)/8, $0.500000000000004237e+00 DATA ·erfrodataL13<> + 208(SB)/8, $1.0 DATA ·erfrodataL13<> + 216(SB)/8, $0.416666664838056960e-01 DATA ·erfrodataL13<> + 224(SB)/8, $0.166666666630345592e+00 DATA ·erfrodataL13<> + 232(SB)/8, $0.138926439368309441e-02 DATA ·erfrodataL13<> + 240(SB)/8, $0.833349307718286047e-02 DATA ·erfrodataL13<> + 248(SB)/8, $-.693147180559945286e+00 DATA ·erfrodataL13<> + 256(SB)/8, $-.144269504088896339e+01 DATA ·erfrodataL13<> + 264(SB)/8, $281475245147134.9375 DATA ·erfrodataL13<> + 272(SB)/8, $0.358256136398192529E+01 DATA ·erfrodataL13<> + 280(SB)/8, $-.554084396500738270E+00 DATA ·erfrodataL13<> + 288(SB)/8, $0.203630123025312046E+02 DATA ·erfrodataL13<> + 296(SB)/8, $-.735750304705934424E+01 DATA ·erfrodataL13<> + 304(SB)/8, $0.250491598091071797E+02 DATA ·erfrodataL13<> + 312(SB)/8, $-.118955882760959931E+02 DATA ·erfrodataL13<> + 320(SB)/8, $0.942903335085524187E+01 DATA ·erfrodataL13<> + 328(SB)/8, $-.564189522219085689E+00 DATA ·erfrodataL13<> + 336(SB)/8, $-.503767199403555540E+01 DATA ·erfrodataL13<> + 344(SB)/8, $0xbbc79ca10c924223 DATA ·erfrodataL13<> + 352(SB)/8, $0.004099975562609307E+01 DATA ·erfrodataL13<> + 360(SB)/8, $-.324434353381296556E+00 DATA ·erfrodataL13<> + 368(SB)/8, $0.945204812084476250E-01 DATA ·erfrodataL13<> + 376(SB)/8, $-.221407443830058214E-01 DATA ·erfrodataL13<> + 384(SB)/8, $0.426072376238804349E-02 DATA ·erfrodataL13<> + 392(SB)/8, $-.692229229127016977E-03 DATA ·erfrodataL13<> + 400(SB)/8, $0.971111253652087188E-04 DATA ·erfrodataL13<> + 408(SB)/8, $-.119752226272050504E-04 DATA ·erfrodataL13<> + 416(SB)/8, $0.131662993588532278E-05 DATA ·erfrodataL13<> + 424(SB)/8, $0.115776482315851236E-07 DATA ·erfrodataL13<> + 432(SB)/8, $-.780118522218151687E-09 DATA ·erfrodataL13<> + 440(SB)/8, $-.130465975877241088E-06 DATA ·erfrodataL13<> + 448(SB)/8, $-0.25 GLOBL ·erfrodataL13<> + 0(SB), RODATA, $456 // Table of log correction terms DATA ·erftab2066<> + 0(SB)/8, $0.442737824274138381e-01 DATA ·erftab2066<> + 8(SB)/8, $0.263602189790660309e-01 DATA ·erftab2066<> + 16(SB)/8, $0.122565642281703586e-01 DATA ·erftab2066<> + 24(SB)/8, $0.143757052860721398e-02 DATA ·erftab2066<> + 32(SB)/8, $-.651375034121276075e-02 DATA ·erftab2066<> + 40(SB)/8, $-.119317678849450159e-01 DATA ·erftab2066<> + 48(SB)/8, $-.150868749549871069e-01 DATA ·erftab2066<> + 56(SB)/8, $-.161992609578469234e-01 DATA ·erftab2066<> + 64(SB)/8, $-.154492360403337917e-01 DATA ·erftab2066<> + 72(SB)/8, $-.129850717389178721e-01 DATA ·erftab2066<> + 80(SB)/8, $-.892902649276657891e-02 DATA ·erftab2066<> + 88(SB)/8, $-.338202636596794887e-02 DATA ·erftab2066<> + 96(SB)/8, $0.357266307045684762e-02 DATA ·erftab2066<> + 104(SB)/8, $0.118665304327406698e-01 DATA ·erftab2066<> + 112(SB)/8, $0.214434994118118914e-01 DATA ·erftab2066<> + 120(SB)/8, $0.322580645161290314e-01 GLOBL ·erftab2066<> + 0(SB), RODATA, $128 // Table of +/- 1.0 DATA ·erftab12067<> + 0(SB)/8, $1.0 DATA ·erftab12067<> + 8(SB)/8, $-1.0 GLOBL ·erftab12067<> + 0(SB), RODATA, $16 // Erf returns the error function of the argument. // // Special cases are: // Erf(+Inf) = 1 // Erf(-Inf) = -1 // Erf(NaN) = NaN // The algorithm used is minimax polynomial approximation // with coefficients determined with a Remez exchange algorithm. TEXT ·erfAsm(SB), NOSPLIT, $0-16 FMOVD x+0(FP), F0 MOVD $·erfrodataL13<>+0(SB), R5 LGDR F0, R1 FMOVD F0, F6 SRAD $48, R1 MOVH $16383, R3 RISBGZ $49, $63, $0, R1, R2 MOVW R2, R6 MOVW R3, R7 CMPBGT R6, R7, L2 MOVH $12287, R1 MOVW R1, R7 CMPBLE R6, R7 ,L12 MOVH $16367, R1 MOVW R1, R7 CMPBGT R6, R7, L5 FMOVD 448(R5), F4 FMADD F0, F0, F4 FMOVD 440(R5), F3 WFMDB V4, V4, V2 FMOVD 432(R5), F0 FMOVD 424(R5), F1 WFMADB V2, V0, V3, V0 FMOVD 416(R5), F3 WFMADB V2, V1, V3, V1 FMOVD 408(R5), F5 FMOVD 400(R5), F3 WFMADB V2, V0, V5, V0 WFMADB V2, V1, V3, V1 FMOVD 392(R5), F5 FMOVD 384(R5), F3 WFMADB V2, V0, V5, V0 WFMADB V2, V1, V3, V1 FMOVD 376(R5), F5 FMOVD 368(R5), F3 WFMADB V2, V0, V5, V0 WFMADB V2, V1, V3, V1 FMOVD 360(R5), F5 FMOVD 352(R5), F3 WFMADB V2, V0, V5, V0 WFMADB V2, V1, V3, V2 WFMADB V4, V0, V2, V0 WFMADB V6, V0, V6, V0 L1: FMOVD F0, ret+8(FP) RET L2: MOVH R1, R1 MOVH $16407, R3 SRW $31, R1, R1 MOVW R2, R6 MOVW R3, R7 CMPBLE R6, R7, L6 MOVW R1, R1 SLD $3, R1, R1 MOVD $·erftab12067<>+0(SB), R3 WORD $0x68013000 //ld %f0,0(%r1,%r3) MOVH $32751, R1 MOVW R1, R7 CMPBGT R6, R7, L7 FMOVD 344(R5), F2 FMADD F2, F0, F0 L7: WFCEDBS V6, V6, V2 BEQ L1 FMOVD F6, F0 FMOVD F0, ret+8(FP) RET L6: MOVW R1, R1 SLD $3, R1, R1 MOVD $·erftab12067<>+0(SB), R4 WFMDB V0, V0, V1 MOVH $0x0, R3 WORD $0x68014000 //ld %f0,0(%r1,%r4) MOVH $16399, R1 MOVW R2, R6 MOVW R1, R7 CMPBGT R6, R7, L8 FMOVD 336(R5), F3 FMOVD 328(R5), F2 FMOVD F1, F4 WFMADB V1, V2, V3, V2 WORD $0xED405140 //adb %f4,.L30-.L13(%r5) BYTE $0x00 BYTE $0x1A FMOVD 312(R5), F3 WFMADB V1, V2, V3, V2 FMOVD 304(R5), F3 WFMADB V1, V4, V3, V4 FMOVD 296(R5), F3 WFMADB V1, V2, V3, V2 FMOVD 288(R5), F3 WFMADB V1, V4, V3, V4 FMOVD 280(R5), F3 WFMADB V1, V2, V3, V2 FMOVD 272(R5), F3 WFMADB V1, V4, V3, V4 L9: FMOVD 264(R5), F3 FMUL F4, F6 FMOVD 256(R5), F4 WFMADB V1, V4, V3, V4 FDIV F6, F2 LGDR F4, R1 FSUB F3, F4 FMOVD 248(R5), F6 WFMSDB V4, V6, V1, V4 FMOVD 240(R5), F1 FMOVD 232(R5), F6 WFMADB V4, V6, V1, V6 FMOVD 224(R5), F1 FMOVD 216(R5), F3 WFMADB V4, V3, V1, V3 WFMDB V4, V4, V1 FMOVD 208(R5), F5 WFMADB V6, V1, V3, V6 FMOVD 200(R5), F3 MOVH R1,R1 WFMADB V4, V3, V5, V3 RISBGZ $57, $60, $3, R1, R2 WFMADB V1, V6, V3, V6 RISBGN $0, $15, $48, R1, R3 MOVD $·erftab2066<>+0(SB), R1 FMOVD 192(R5), F1 LDGR R3, F3 WORD $0xED221000 //madb %f2,%f2,0(%r2,%r1) BYTE $0x20 BYTE $0x1E WFMADB V4, V6, V1, V4 FMUL F3, F2 FMADD F4, F2, F0 FMOVD F0, ret+8(FP) RET L12: FMOVD 184(R5), F0 WFMADB V6, V0, V6, V0 FMOVD F0, ret+8(FP) RET L5: FMOVD 176(R5), F1 FMADD F0, F0, F1 FMOVD 168(R5), F3 WFMDB V1, V1, V2 FMOVD 160(R5), F0 FMOVD 152(R5), F4 WFMADB V2, V0, V3, V0 FMOVD 144(R5), F3 WFMADB V2, V4, V3, V4 FMOVD 136(R5), F5 FMOVD 128(R5), F3 WFMADB V2, V0, V5, V0 WFMADB V2, V4, V3, V4 FMOVD 120(R5), F5 FMOVD 112(R5), F3 WFMADB V2, V0, V5, V0 WFMADB V2, V4, V3, V4 FMOVD 104(R5), F5 FMOVD 96(R5), F3 WFMADB V2, V0, V5, V0 WFMADB V2, V4, V3, V4 FMOVD 88(R5), F5 FMOVD 80(R5), F3 WFMADB V2, V0, V5, V0 WFMADB V2, V4, V3, V4 FMOVD 72(R5), F5 FMOVD 64(R5), F3 WFMADB V2, V0, V5, V0 WFMADB V2, V4, V3, V4 FMOVD 56(R5), F5 FMOVD 48(R5), F3 WFMADB V2, V0, V5, V0 WFMADB V2, V4, V3, V2 FMOVD 40(R5), F4 WFMADB V1, V0, V2, V0 FMUL F6, F0 FMADD F4, F6, F0 FMOVD F0, ret+8(FP) RET L8: FMOVD 32(R5), F3 FMOVD 24(R5), F2 FMOVD F1, F4 WFMADB V1, V2, V3, V2 WORD $0xED405010 //adb %f4,.L68-.L13(%r5) BYTE $0x00 BYTE $0x1A FMOVD 8(R5), F3 WFMADB V1, V2, V3, V2 FMOVD ·erfrodataL13<>+0(SB), F3 WFMADB V1, V4, V3, V4 BR L9
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