File size: 8,699 Bytes
bd21366 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 | // 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 路erfrodataL13<> + 0(SB)/8, $0.243673229298474689E+01
DATA 路erfrodataL13<> + 8(SB)/8, $-.654905018503145600E+00
DATA 路erfrodataL13<> + 16(SB)/8, $0.404669310217538718E+01
DATA 路erfrodataL13<> + 24(SB)/8, $-.564189219162765367E+00
DATA 路erfrodataL13<> + 32(SB)/8, $-.200104300906596851E+01
DATA 路erfrodataL13<> + 40(SB)/8, $0.5
DATA 路erfrodataL13<> + 48(SB)/8, $0.144070097650207154E+00
DATA 路erfrodataL13<> + 56(SB)/8, $-.116697735205906191E+00
DATA 路erfrodataL13<> + 64(SB)/8, $0.256847684882319665E-01
DATA 路erfrodataL13<> + 72(SB)/8, $-.510805169106229148E-02
DATA 路erfrodataL13<> + 80(SB)/8, $0.885258164825590267E-03
DATA 路erfrodataL13<> + 88(SB)/8, $-.133861989591931411E-03
DATA 路erfrodataL13<> + 96(SB)/8, $0.178294867340272534E-04
DATA 路erfrodataL13<> + 104(SB)/8, $-.211436095674019218E-05
DATA 路erfrodataL13<> + 112(SB)/8, $0.225503753499344434E-06
DATA 路erfrodataL13<> + 120(SB)/8, $-.218247939190783624E-07
DATA 路erfrodataL13<> + 128(SB)/8, $0.193179206264594029E-08
DATA 路erfrodataL13<> + 136(SB)/8, $-.157440643541715319E-09
DATA 路erfrodataL13<> + 144(SB)/8, $0.118878583237342616E-10
DATA 路erfrodataL13<> + 152(SB)/8, $0.554289288424588473E-13
DATA 路erfrodataL13<> + 160(SB)/8, $-.277649758489502214E-14
DATA 路erfrodataL13<> + 168(SB)/8, $-.839318416990049443E-12
DATA 路erfrodataL13<> + 176(SB)/8, $-2.25
DATA 路erfrodataL13<> + 184(SB)/8, $.12837916709551258632
DATA 路erfrodataL13<> + 192(SB)/8, $1.0
DATA 路erfrodataL13<> + 200(SB)/8, $0.500000000000004237e+00
DATA 路erfrodataL13<> + 208(SB)/8, $1.0
DATA 路erfrodataL13<> + 216(SB)/8, $0.416666664838056960e-01
DATA 路erfrodataL13<> + 224(SB)/8, $0.166666666630345592e+00
DATA 路erfrodataL13<> + 232(SB)/8, $0.138926439368309441e-02
DATA 路erfrodataL13<> + 240(SB)/8, $0.833349307718286047e-02
DATA 路erfrodataL13<> + 248(SB)/8, $-.693147180559945286e+00
DATA 路erfrodataL13<> + 256(SB)/8, $-.144269504088896339e+01
DATA 路erfrodataL13<> + 264(SB)/8, $281475245147134.9375
DATA 路erfrodataL13<> + 272(SB)/8, $0.358256136398192529E+01
DATA 路erfrodataL13<> + 280(SB)/8, $-.554084396500738270E+00
DATA 路erfrodataL13<> + 288(SB)/8, $0.203630123025312046E+02
DATA 路erfrodataL13<> + 296(SB)/8, $-.735750304705934424E+01
DATA 路erfrodataL13<> + 304(SB)/8, $0.250491598091071797E+02
DATA 路erfrodataL13<> + 312(SB)/8, $-.118955882760959931E+02
DATA 路erfrodataL13<> + 320(SB)/8, $0.942903335085524187E+01
DATA 路erfrodataL13<> + 328(SB)/8, $-.564189522219085689E+00
DATA 路erfrodataL13<> + 336(SB)/8, $-.503767199403555540E+01
DATA 路erfrodataL13<> + 344(SB)/8, $0xbbc79ca10c924223
DATA 路erfrodataL13<> + 352(SB)/8, $0.004099975562609307E+01
DATA 路erfrodataL13<> + 360(SB)/8, $-.324434353381296556E+00
DATA 路erfrodataL13<> + 368(SB)/8, $0.945204812084476250E-01
DATA 路erfrodataL13<> + 376(SB)/8, $-.221407443830058214E-01
DATA 路erfrodataL13<> + 384(SB)/8, $0.426072376238804349E-02
DATA 路erfrodataL13<> + 392(SB)/8, $-.692229229127016977E-03
DATA 路erfrodataL13<> + 400(SB)/8, $0.971111253652087188E-04
DATA 路erfrodataL13<> + 408(SB)/8, $-.119752226272050504E-04
DATA 路erfrodataL13<> + 416(SB)/8, $0.131662993588532278E-05
DATA 路erfrodataL13<> + 424(SB)/8, $0.115776482315851236E-07
DATA 路erfrodataL13<> + 432(SB)/8, $-.780118522218151687E-09
DATA 路erfrodataL13<> + 440(SB)/8, $-.130465975877241088E-06
DATA 路erfrodataL13<> + 448(SB)/8, $-0.25
GLOBL 路erfrodataL13<> + 0(SB), RODATA, $456
// Table of log correction terms
DATA 路erftab2066<> + 0(SB)/8, $0.442737824274138381e-01
DATA 路erftab2066<> + 8(SB)/8, $0.263602189790660309e-01
DATA 路erftab2066<> + 16(SB)/8, $0.122565642281703586e-01
DATA 路erftab2066<> + 24(SB)/8, $0.143757052860721398e-02
DATA 路erftab2066<> + 32(SB)/8, $-.651375034121276075e-02
DATA 路erftab2066<> + 40(SB)/8, $-.119317678849450159e-01
DATA 路erftab2066<> + 48(SB)/8, $-.150868749549871069e-01
DATA 路erftab2066<> + 56(SB)/8, $-.161992609578469234e-01
DATA 路erftab2066<> + 64(SB)/8, $-.154492360403337917e-01
DATA 路erftab2066<> + 72(SB)/8, $-.129850717389178721e-01
DATA 路erftab2066<> + 80(SB)/8, $-.892902649276657891e-02
DATA 路erftab2066<> + 88(SB)/8, $-.338202636596794887e-02
DATA 路erftab2066<> + 96(SB)/8, $0.357266307045684762e-02
DATA 路erftab2066<> + 104(SB)/8, $0.118665304327406698e-01
DATA 路erftab2066<> + 112(SB)/8, $0.214434994118118914e-01
DATA 路erftab2066<> + 120(SB)/8, $0.322580645161290314e-01
GLOBL 路erftab2066<> + 0(SB), RODATA, $128
// Table of +/- 1.0
DATA 路erftab12067<> + 0(SB)/8, $1.0
DATA 路erftab12067<> + 8(SB)/8, $-1.0
GLOBL 路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 路erfAsm(SB), NOSPLIT, $0-16
FMOVD x+0(FP), F0
MOVD $路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 $路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 $路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 $路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 路erfrodataL13<>+0(SB), F3
WFMADB V1, V4, V3, V4
BR L9
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