github.com/FenixAra/go@v0.0.0-20170127160404-96ea0918e670/src/cmd/compile/internal/ssa/gen/dec64.rules (about) 1 // Copyright 2016 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 // This file contains rules to decompose [u]int64 types on 32-bit 6 // architectures. These rules work together with the decomposeBuiltIn 7 // pass which handles phis of these types. 8 9 (Int64Hi (Int64Make hi _)) -> hi 10 (Int64Lo (Int64Make _ lo)) -> lo 11 12 13 (Load <t> ptr mem) && is64BitInt(t) && !config.BigEndian && t.IsSigned() -> 14 (Int64Make 15 (Load <config.fe.TypeInt32()> (OffPtr <config.fe.TypeInt32().PtrTo()> [4] ptr) mem) 16 (Load <config.fe.TypeUInt32()> ptr mem)) 17 18 (Load <t> ptr mem) && is64BitInt(t) && !config.BigEndian && !t.IsSigned() -> 19 (Int64Make 20 (Load <config.fe.TypeUInt32()> (OffPtr <config.fe.TypeUInt32().PtrTo()> [4] ptr) mem) 21 (Load <config.fe.TypeUInt32()> ptr mem)) 22 23 (Load <t> ptr mem) && is64BitInt(t) && config.BigEndian && t.IsSigned() -> 24 (Int64Make 25 (Load <config.fe.TypeInt32()> ptr mem) 26 (Load <config.fe.TypeUInt32()> (OffPtr <config.fe.TypeUInt32().PtrTo()> [4] ptr) mem)) 27 28 (Load <t> ptr mem) && is64BitInt(t) && config.BigEndian && !t.IsSigned() -> 29 (Int64Make 30 (Load <config.fe.TypeUInt32()> ptr mem) 31 (Load <config.fe.TypeUInt32()> (OffPtr <config.fe.TypeUInt32().PtrTo()> [4] ptr) mem)) 32 33 (Store [8] dst (Int64Make hi lo) mem) && !config.BigEndian -> 34 (Store [4] 35 (OffPtr <hi.Type.PtrTo()> [4] dst) 36 hi 37 (Store [4] dst lo mem)) 38 39 (Store [8] dst (Int64Make hi lo) mem) && config.BigEndian -> 40 (Store [4] 41 (OffPtr <lo.Type.PtrTo()> [4] dst) 42 lo 43 (Store [4] dst hi mem)) 44 45 (Arg {n} [off]) && is64BitInt(v.Type) && !config.BigEndian && v.Type.IsSigned() -> 46 (Int64Make 47 (Arg <config.fe.TypeInt32()> {n} [off+4]) 48 (Arg <config.fe.TypeUInt32()> {n} [off])) 49 (Arg {n} [off]) && is64BitInt(v.Type) && !config.BigEndian && !v.Type.IsSigned() -> 50 (Int64Make 51 (Arg <config.fe.TypeUInt32()> {n} [off+4]) 52 (Arg <config.fe.TypeUInt32()> {n} [off])) 53 54 (Arg {n} [off]) && is64BitInt(v.Type) && config.BigEndian && v.Type.IsSigned() -> 55 (Int64Make 56 (Arg <config.fe.TypeInt32()> {n} [off]) 57 (Arg <config.fe.TypeUInt32()> {n} [off+4])) 58 (Arg {n} [off]) && is64BitInt(v.Type) && config.BigEndian && !v.Type.IsSigned() -> 59 (Int64Make 60 (Arg <config.fe.TypeUInt32()> {n} [off]) 61 (Arg <config.fe.TypeUInt32()> {n} [off+4])) 62 63 (Add64 x y) -> 64 (Int64Make 65 (Add32withcarry <config.fe.TypeInt32()> 66 (Int64Hi x) 67 (Int64Hi y) 68 (Select1 <TypeFlags> (Add32carry (Int64Lo x) (Int64Lo y)))) 69 (Select0 <config.fe.TypeUInt32()> (Add32carry (Int64Lo x) (Int64Lo y)))) 70 71 (Sub64 x y) -> 72 (Int64Make 73 (Sub32withcarry <config.fe.TypeInt32()> 74 (Int64Hi x) 75 (Int64Hi y) 76 (Select1 <TypeFlags> (Sub32carry (Int64Lo x) (Int64Lo y)))) 77 (Select0 <config.fe.TypeUInt32()> (Sub32carry (Int64Lo x) (Int64Lo y)))) 78 79 (Mul64 x y) -> 80 (Int64Make 81 (Add32 <config.fe.TypeUInt32()> 82 (Mul32 <config.fe.TypeUInt32()> (Int64Lo x) (Int64Hi y)) 83 (Add32 <config.fe.TypeUInt32()> 84 (Mul32 <config.fe.TypeUInt32()> (Int64Hi x) (Int64Lo y)) 85 (Select0 <config.fe.TypeUInt32()> (Mul32uhilo (Int64Lo x) (Int64Lo y))))) 86 (Select1 <config.fe.TypeUInt32()> (Mul32uhilo (Int64Lo x) (Int64Lo y)))) 87 88 (And64 x y) -> 89 (Int64Make 90 (And32 <config.fe.TypeUInt32()> (Int64Hi x) (Int64Hi y)) 91 (And32 <config.fe.TypeUInt32()> (Int64Lo x) (Int64Lo y))) 92 93 (Or64 x y) -> 94 (Int64Make 95 (Or32 <config.fe.TypeUInt32()> (Int64Hi x) (Int64Hi y)) 96 (Or32 <config.fe.TypeUInt32()> (Int64Lo x) (Int64Lo y))) 97 98 (Xor64 x y) -> 99 (Int64Make 100 (Xor32 <config.fe.TypeUInt32()> (Int64Hi x) (Int64Hi y)) 101 (Xor32 <config.fe.TypeUInt32()> (Int64Lo x) (Int64Lo y))) 102 103 (Neg64 <t> x) -> (Sub64 (Const64 <t> [0]) x) 104 105 (Com64 x) -> 106 (Int64Make 107 (Com32 <config.fe.TypeUInt32()> (Int64Hi x)) 108 (Com32 <config.fe.TypeUInt32()> (Int64Lo x))) 109 110 (Ctz64 x) -> 111 (Int64Make 112 (Const32 <config.fe.TypeUInt32()> [0]) 113 (Add32 <config.fe.TypeUInt32()> 114 (Ctz32 <config.fe.TypeUInt32()> (Int64Lo x)) 115 (And32 <config.fe.TypeUInt32()> 116 (Com32 <config.fe.TypeUInt32()> (Zeromask (Int64Lo x))) 117 (Ctz32 <config.fe.TypeUInt32()> (Int64Hi x))))) 118 119 (Bswap64 x) -> 120 (Int64Make 121 (Bswap32 <config.fe.TypeUInt32()> (Int64Lo x)) 122 (Bswap32 <config.fe.TypeUInt32()> (Int64Hi x))) 123 124 (SignExt32to64 x) -> (Int64Make (Signmask x) x) 125 (SignExt16to64 x) -> (SignExt32to64 (SignExt16to32 x)) 126 (SignExt8to64 x) -> (SignExt32to64 (SignExt8to32 x)) 127 128 (ZeroExt32to64 x) -> (Int64Make (Const32 <config.fe.TypeUInt32()> [0]) x) 129 (ZeroExt16to64 x) -> (ZeroExt32to64 (ZeroExt16to32 x)) 130 (ZeroExt8to64 x) -> (ZeroExt32to64 (ZeroExt8to32 x)) 131 132 (Trunc64to32 (Int64Make _ lo)) -> lo 133 (Trunc64to16 (Int64Make _ lo)) -> (Trunc32to16 lo) 134 (Trunc64to8 (Int64Make _ lo)) -> (Trunc32to8 lo) 135 136 (Lsh32x64 _ (Int64Make (Const32 [c]) _)) && c != 0 -> (Const32 [0]) 137 (Rsh32x64 x (Int64Make (Const32 [c]) _)) && c != 0 -> (Signmask x) 138 (Rsh32Ux64 _ (Int64Make (Const32 [c]) _)) && c != 0 -> (Const32 [0]) 139 (Lsh16x64 _ (Int64Make (Const32 [c]) _)) && c != 0 -> (Const32 [0]) 140 (Rsh16x64 x (Int64Make (Const32 [c]) _)) && c != 0 -> (Signmask (SignExt16to32 x)) 141 (Rsh16Ux64 _ (Int64Make (Const32 [c]) _)) && c != 0 -> (Const32 [0]) 142 (Lsh8x64 _ (Int64Make (Const32 [c]) _)) && c != 0 -> (Const32 [0]) 143 (Rsh8x64 x (Int64Make (Const32 [c]) _)) && c != 0 -> (Signmask (SignExt8to32 x)) 144 (Rsh8Ux64 _ (Int64Make (Const32 [c]) _)) && c != 0 -> (Const32 [0]) 145 146 (Lsh32x64 x (Int64Make (Const32 [0]) lo)) -> (Lsh32x32 x lo) 147 (Rsh32x64 x (Int64Make (Const32 [0]) lo)) -> (Rsh32x32 x lo) 148 (Rsh32Ux64 x (Int64Make (Const32 [0]) lo)) -> (Rsh32Ux32 x lo) 149 (Lsh16x64 x (Int64Make (Const32 [0]) lo)) -> (Lsh16x32 x lo) 150 (Rsh16x64 x (Int64Make (Const32 [0]) lo)) -> (Rsh16x32 x lo) 151 (Rsh16Ux64 x (Int64Make (Const32 [0]) lo)) -> (Rsh16Ux32 x lo) 152 (Lsh8x64 x (Int64Make (Const32 [0]) lo)) -> (Lsh8x32 x lo) 153 (Rsh8x64 x (Int64Make (Const32 [0]) lo)) -> (Rsh8x32 x lo) 154 (Rsh8Ux64 x (Int64Make (Const32 [0]) lo)) -> (Rsh8Ux32 x lo) 155 156 (Lsh64x64 _ (Int64Make (Const32 [c]) _)) && c != 0 -> (Const64 [0]) 157 (Rsh64x64 x (Int64Make (Const32 [c]) _)) && c != 0 -> (Int64Make (Signmask (Int64Hi x)) (Signmask (Int64Hi x))) 158 (Rsh64Ux64 _ (Int64Make (Const32 [c]) _)) && c != 0 -> (Const64 [0]) 159 160 (Lsh64x64 x (Int64Make (Const32 [0]) lo)) -> (Lsh64x32 x lo) 161 (Rsh64x64 x (Int64Make (Const32 [0]) lo)) -> (Rsh64x32 x lo) 162 (Rsh64Ux64 x (Int64Make (Const32 [0]) lo)) -> (Rsh64Ux32 x lo) 163 164 // turn x64 non-constant shifts to x32 shifts 165 // if high 32-bit of the shift is nonzero, make a huge shift 166 (Lsh64x64 x (Int64Make hi lo)) && hi.Op != OpConst32 -> 167 (Lsh64x32 x (Or32 <config.fe.TypeUInt32()> (Zeromask hi) lo)) 168 (Rsh64x64 x (Int64Make hi lo)) && hi.Op != OpConst32 -> 169 (Rsh64x32 x (Or32 <config.fe.TypeUInt32()> (Zeromask hi) lo)) 170 (Rsh64Ux64 x (Int64Make hi lo)) && hi.Op != OpConst32 -> 171 (Rsh64Ux32 x (Or32 <config.fe.TypeUInt32()> (Zeromask hi) lo)) 172 (Lsh32x64 x (Int64Make hi lo)) && hi.Op != OpConst32 -> 173 (Lsh32x32 x (Or32 <config.fe.TypeUInt32()> (Zeromask hi) lo)) 174 (Rsh32x64 x (Int64Make hi lo)) && hi.Op != OpConst32 -> 175 (Rsh32x32 x (Or32 <config.fe.TypeUInt32()> (Zeromask hi) lo)) 176 (Rsh32Ux64 x (Int64Make hi lo)) && hi.Op != OpConst32 -> 177 (Rsh32Ux32 x (Or32 <config.fe.TypeUInt32()> (Zeromask hi) lo)) 178 (Lsh16x64 x (Int64Make hi lo)) && hi.Op != OpConst32 -> 179 (Lsh16x32 x (Or32 <config.fe.TypeUInt32()> (Zeromask hi) lo)) 180 (Rsh16x64 x (Int64Make hi lo)) && hi.Op != OpConst32 -> 181 (Rsh16x32 x (Or32 <config.fe.TypeUInt32()> (Zeromask hi) lo)) 182 (Rsh16Ux64 x (Int64Make hi lo)) && hi.Op != OpConst32 -> 183 (Rsh16Ux32 x (Or32 <config.fe.TypeUInt32()> (Zeromask hi) lo)) 184 (Lsh8x64 x (Int64Make hi lo)) && hi.Op != OpConst32 -> 185 (Lsh8x32 x (Or32 <config.fe.TypeUInt32()> (Zeromask hi) lo)) 186 (Rsh8x64 x (Int64Make hi lo)) && hi.Op != OpConst32 -> 187 (Rsh8x32 x (Or32 <config.fe.TypeUInt32()> (Zeromask hi) lo)) 188 (Rsh8Ux64 x (Int64Make hi lo)) && hi.Op != OpConst32 -> 189 (Rsh8Ux32 x (Or32 <config.fe.TypeUInt32()> (Zeromask hi) lo)) 190 191 // 64x left shift 192 // result.hi = hi<<s | lo>>(32-s) | lo<<(s-32) // >> is unsigned, large shifts result 0 193 // result.lo = lo<<s 194 (Lsh64x32 (Int64Make hi lo) s) -> 195 (Int64Make 196 (Or32 <config.fe.TypeUInt32()> 197 (Or32 <config.fe.TypeUInt32()> 198 (Lsh32x32 <config.fe.TypeUInt32()> hi s) 199 (Rsh32Ux32 <config.fe.TypeUInt32()> 200 lo 201 (Sub32 <config.fe.TypeUInt32()> (Const32 <config.fe.TypeUInt32()> [32]) s))) 202 (Lsh32x32 <config.fe.TypeUInt32()> 203 lo 204 (Sub32 <config.fe.TypeUInt32()> s (Const32 <config.fe.TypeUInt32()> [32])))) 205 (Lsh32x32 <config.fe.TypeUInt32()> lo s)) 206 (Lsh64x16 (Int64Make hi lo) s) -> 207 (Int64Make 208 (Or32 <config.fe.TypeUInt32()> 209 (Or32 <config.fe.TypeUInt32()> 210 (Lsh32x16 <config.fe.TypeUInt32()> hi s) 211 (Rsh32Ux16 <config.fe.TypeUInt32()> 212 lo 213 (Sub16 <config.fe.TypeUInt16()> (Const16 <config.fe.TypeUInt16()> [32]) s))) 214 (Lsh32x16 <config.fe.TypeUInt32()> 215 lo 216 (Sub16 <config.fe.TypeUInt16()> s (Const16 <config.fe.TypeUInt16()> [32])))) 217 (Lsh32x16 <config.fe.TypeUInt32()> lo s)) 218 (Lsh64x8 (Int64Make hi lo) s) -> 219 (Int64Make 220 (Or32 <config.fe.TypeUInt32()> 221 (Or32 <config.fe.TypeUInt32()> 222 (Lsh32x8 <config.fe.TypeUInt32()> hi s) 223 (Rsh32Ux8 <config.fe.TypeUInt32()> 224 lo 225 (Sub8 <config.fe.TypeUInt8()> (Const8 <config.fe.TypeUInt8()> [32]) s))) 226 (Lsh32x8 <config.fe.TypeUInt32()> 227 lo 228 (Sub8 <config.fe.TypeUInt8()> s (Const8 <config.fe.TypeUInt8()> [32])))) 229 (Lsh32x8 <config.fe.TypeUInt32()> lo s)) 230 231 // 64x unsigned right shift 232 // result.hi = hi>>s 233 // result.lo = lo>>s | hi<<(32-s) | hi>>(s-32) // >> is unsigned, large shifts result 0 234 (Rsh64Ux32 (Int64Make hi lo) s) -> 235 (Int64Make 236 (Rsh32Ux32 <config.fe.TypeUInt32()> hi s) 237 (Or32 <config.fe.TypeUInt32()> 238 (Or32 <config.fe.TypeUInt32()> 239 (Rsh32Ux32 <config.fe.TypeUInt32()> lo s) 240 (Lsh32x32 <config.fe.TypeUInt32()> 241 hi 242 (Sub32 <config.fe.TypeUInt32()> (Const32 <config.fe.TypeUInt32()> [32]) s))) 243 (Rsh32Ux32 <config.fe.TypeUInt32()> 244 hi 245 (Sub32 <config.fe.TypeUInt32()> s (Const32 <config.fe.TypeUInt32()> [32]))))) 246 (Rsh64Ux16 (Int64Make hi lo) s) -> 247 (Int64Make 248 (Rsh32Ux16 <config.fe.TypeUInt32()> hi s) 249 (Or32 <config.fe.TypeUInt32()> 250 (Or32 <config.fe.TypeUInt32()> 251 (Rsh32Ux16 <config.fe.TypeUInt32()> lo s) 252 (Lsh32x16 <config.fe.TypeUInt32()> 253 hi 254 (Sub16 <config.fe.TypeUInt16()> (Const16 <config.fe.TypeUInt16()> [32]) s))) 255 (Rsh32Ux16 <config.fe.TypeUInt32()> 256 hi 257 (Sub16 <config.fe.TypeUInt16()> s (Const16 <config.fe.TypeUInt16()> [32]))))) 258 (Rsh64Ux8 (Int64Make hi lo) s) -> 259 (Int64Make 260 (Rsh32Ux8 <config.fe.TypeUInt32()> hi s) 261 (Or32 <config.fe.TypeUInt32()> 262 (Or32 <config.fe.TypeUInt32()> 263 (Rsh32Ux8 <config.fe.TypeUInt32()> lo s) 264 (Lsh32x8 <config.fe.TypeUInt32()> 265 hi 266 (Sub8 <config.fe.TypeUInt8()> (Const8 <config.fe.TypeUInt8()> [32]) s))) 267 (Rsh32Ux8 <config.fe.TypeUInt32()> 268 hi 269 (Sub8 <config.fe.TypeUInt8()> s (Const8 <config.fe.TypeUInt8()> [32]))))) 270 271 // 64x signed right shift 272 // result.hi = hi>>s 273 // result.lo = lo>>s | hi<<(32-s) | (hi>>(s-32))&zeromask(s>>5) // hi>>(s-32) is signed, large shifts result 0/-1 274 (Rsh64x32 (Int64Make hi lo) s) -> 275 (Int64Make 276 (Rsh32x32 <config.fe.TypeUInt32()> hi s) 277 (Or32 <config.fe.TypeUInt32()> 278 (Or32 <config.fe.TypeUInt32()> 279 (Rsh32Ux32 <config.fe.TypeUInt32()> lo s) 280 (Lsh32x32 <config.fe.TypeUInt32()> 281 hi 282 (Sub32 <config.fe.TypeUInt32()> (Const32 <config.fe.TypeUInt32()> [32]) s))) 283 (And32 <config.fe.TypeUInt32()> 284 (Rsh32x32 <config.fe.TypeUInt32()> 285 hi 286 (Sub32 <config.fe.TypeUInt32()> s (Const32 <config.fe.TypeUInt32()> [32]))) 287 (Zeromask 288 (Rsh32Ux32 <config.fe.TypeUInt32()> s (Const32 <config.fe.TypeUInt32()> [5])))))) 289 (Rsh64x16 (Int64Make hi lo) s) -> 290 (Int64Make 291 (Rsh32x16 <config.fe.TypeUInt32()> hi s) 292 (Or32 <config.fe.TypeUInt32()> 293 (Or32 <config.fe.TypeUInt32()> 294 (Rsh32Ux16 <config.fe.TypeUInt32()> lo s) 295 (Lsh32x16 <config.fe.TypeUInt32()> 296 hi 297 (Sub16 <config.fe.TypeUInt16()> (Const16 <config.fe.TypeUInt16()> [32]) s))) 298 (And32 <config.fe.TypeUInt32()> 299 (Rsh32x16 <config.fe.TypeUInt32()> 300 hi 301 (Sub16 <config.fe.TypeUInt16()> s (Const16 <config.fe.TypeUInt16()> [32]))) 302 (Zeromask 303 (ZeroExt16to32 304 (Rsh16Ux32 <config.fe.TypeUInt16()> s (Const32 <config.fe.TypeUInt32()> [5]))))))) 305 (Rsh64x8 (Int64Make hi lo) s) -> 306 (Int64Make 307 (Rsh32x8 <config.fe.TypeUInt32()> hi s) 308 (Or32 <config.fe.TypeUInt32()> 309 (Or32 <config.fe.TypeUInt32()> 310 (Rsh32Ux8 <config.fe.TypeUInt32()> lo s) 311 (Lsh32x8 <config.fe.TypeUInt32()> 312 hi 313 (Sub8 <config.fe.TypeUInt8()> (Const8 <config.fe.TypeUInt8()> [32]) s))) 314 (And32 <config.fe.TypeUInt32()> 315 (Rsh32x8 <config.fe.TypeUInt32()> 316 hi 317 (Sub8 <config.fe.TypeUInt8()> s (Const8 <config.fe.TypeUInt8()> [32]))) 318 (Zeromask 319 (ZeroExt8to32 320 (Rsh8Ux32 <config.fe.TypeUInt8()> s (Const32 <config.fe.TypeUInt32()> [5]))))))) 321 322 // 64xConst32 shifts 323 // we probably do not need them -- lateopt may take care of them just fine 324 //(Lsh64x32 _ (Const32 [c])) && uint32(c) >= 64 -> (Const64 [0]) 325 //(Rsh64x32 x (Const32 [c])) && uint32(c) >= 64 -> (Int64Make (Signmask (Int64Hi x)) (Signmask (Int64Hi x))) 326 //(Rsh64Ux32 _ (Const32 [c])) && uint32(c) >= 64 -> (Const64 [0]) 327 // 328 //(Lsh64x32 x (Const32 [c])) && c < 64 && c > 32 -> 329 // (Int64Make 330 // (Lsh32x32 <config.fe.TypeUInt32()> (Int64Lo x) (Const32 <config.fe.TypeUInt32()> [c-32])) 331 // (Const32 <config.fe.TypeUInt32()> [0])) 332 //(Rsh64x32 x (Const32 [c])) && c < 64 && c > 32 -> 333 // (Int64Make 334 // (Signmask (Int64Hi x)) 335 // (Rsh32x32 <config.fe.TypeInt32()> (Int64Hi x) (Const32 <config.fe.TypeUInt32()> [c-32]))) 336 //(Rsh64Ux32 x (Const32 [c])) && c < 64 && c > 32 -> 337 // (Int64Make 338 // (Const32 <config.fe.TypeUInt32()> [0]) 339 // (Rsh32Ux32 <config.fe.TypeUInt32()> (Int64Hi x) (Const32 <config.fe.TypeUInt32()> [c-32]))) 340 // 341 //(Lsh64x32 x (Const32 [32])) -> (Int64Make (Int64Lo x) (Const32 <config.fe.TypeUInt32()> [0])) 342 //(Rsh64x32 x (Const32 [32])) -> (Int64Make (Signmask (Int64Hi x)) (Int64Hi x)) 343 //(Rsh64Ux32 x (Const32 [32])) -> (Int64Make (Const32 <config.fe.TypeUInt32()> [0]) (Int64Hi x)) 344 // 345 //(Lsh64x32 x (Const32 [c])) && c < 32 && c > 0 -> 346 // (Int64Make 347 // (Or32 <config.fe.TypeUInt32()> 348 // (Lsh32x32 <config.fe.TypeUInt32()> (Int64Hi x) (Const32 <config.fe.TypeUInt32()> [c])) 349 // (Rsh32Ux32 <config.fe.TypeUInt32()> (Int64Lo x) (Const32 <config.fe.TypeUInt32()> [32-c]))) 350 // (Lsh32x32 <config.fe.TypeUInt32()> (Int64Lo x) (Const32 <config.fe.TypeUInt32()> [c]))) 351 //(Rsh64x32 x (Const32 [c])) && c < 32 && c > 0 -> 352 // (Int64Make 353 // (Rsh32x32 <config.fe.TypeInt32()> (Int64Hi x) (Const32 <config.fe.TypeUInt32()> [c])) 354 // (Or32 <config.fe.TypeUInt32()> 355 // (Rsh32Ux32 <config.fe.TypeUInt32()> (Int64Lo x) (Const32 <config.fe.TypeUInt32()> [c])) 356 // (Lsh32x32 <config.fe.TypeUInt32()> (Int64Hi x) (Const32 <config.fe.TypeUInt32()> [32-c])))) 357 //(Rsh64Ux32 x (Const32 [c])) && c < 32 && c > 0 -> 358 // (Int64Make 359 // (Rsh32Ux32 <config.fe.TypeUInt32()> (Int64Hi x) (Const32 <config.fe.TypeUInt32()> [c])) 360 // (Or32 <config.fe.TypeUInt32()> 361 // (Rsh32Ux32 <config.fe.TypeUInt32()> (Int64Lo x) (Const32 <config.fe.TypeUInt32()> [c])) 362 // (Lsh32x32 <config.fe.TypeUInt32()> (Int64Hi x) (Const32 <config.fe.TypeUInt32()> [32-c])))) 363 // 364 //(Lsh64x32 x (Const32 [0])) -> x 365 //(Rsh64x32 x (Const32 [0])) -> x 366 //(Rsh64Ux32 x (Const32 [0])) -> x 367 368 (Lrot64 (Int64Make hi lo) [c]) && c <= 32 -> 369 (Int64Make 370 (Or32 <config.fe.TypeUInt32()> 371 (Lsh32x32 <config.fe.TypeUInt32()> hi (Const32 <config.fe.TypeUInt32()> [c])) 372 (Rsh32Ux32 <config.fe.TypeUInt32()> lo (Const32 <config.fe.TypeUInt32()> [32-c]))) 373 (Or32 <config.fe.TypeUInt32()> 374 (Lsh32x32 <config.fe.TypeUInt32()> lo (Const32 <config.fe.TypeUInt32()> [c])) 375 (Rsh32Ux32 <config.fe.TypeUInt32()> hi (Const32 <config.fe.TypeUInt32()> [32-c])))) 376 (Lrot64 (Int64Make hi lo) [c]) && c > 32 -> (Lrot64 (Int64Make lo hi) [c-32]) 377 378 (Const64 <t> [c]) && t.IsSigned() -> 379 (Int64Make (Const32 <config.fe.TypeInt32()> [c>>32]) (Const32 <config.fe.TypeUInt32()> [int64(int32(c))])) 380 (Const64 <t> [c]) && !t.IsSigned() -> 381 (Int64Make (Const32 <config.fe.TypeUInt32()> [c>>32]) (Const32 <config.fe.TypeUInt32()> [int64(int32(c))])) 382 383 (Eq64 x y) -> 384 (AndB 385 (Eq32 (Int64Hi x) (Int64Hi y)) 386 (Eq32 (Int64Lo x) (Int64Lo y))) 387 388 (Neq64 x y) -> 389 (OrB 390 (Neq32 (Int64Hi x) (Int64Hi y)) 391 (Neq32 (Int64Lo x) (Int64Lo y))) 392 393 (Less64U x y) -> 394 (OrB 395 (Less32U (Int64Hi x) (Int64Hi y)) 396 (AndB 397 (Eq32 (Int64Hi x) (Int64Hi y)) 398 (Less32U (Int64Lo x) (Int64Lo y)))) 399 400 (Leq64U x y) -> 401 (OrB 402 (Less32U (Int64Hi x) (Int64Hi y)) 403 (AndB 404 (Eq32 (Int64Hi x) (Int64Hi y)) 405 (Leq32U (Int64Lo x) (Int64Lo y)))) 406 407 (Greater64U x y) -> 408 (OrB 409 (Greater32U (Int64Hi x) (Int64Hi y)) 410 (AndB 411 (Eq32 (Int64Hi x) (Int64Hi y)) 412 (Greater32U (Int64Lo x) (Int64Lo y)))) 413 414 (Geq64U x y) -> 415 (OrB 416 (Greater32U (Int64Hi x) (Int64Hi y)) 417 (AndB 418 (Eq32 (Int64Hi x) (Int64Hi y)) 419 (Geq32U (Int64Lo x) (Int64Lo y)))) 420 421 (Less64 x y) -> 422 (OrB 423 (Less32 (Int64Hi x) (Int64Hi y)) 424 (AndB 425 (Eq32 (Int64Hi x) (Int64Hi y)) 426 (Less32U (Int64Lo x) (Int64Lo y)))) 427 428 (Leq64 x y) -> 429 (OrB 430 (Less32 (Int64Hi x) (Int64Hi y)) 431 (AndB 432 (Eq32 (Int64Hi x) (Int64Hi y)) 433 (Leq32U (Int64Lo x) (Int64Lo y)))) 434 435 (Greater64 x y) -> 436 (OrB 437 (Greater32 (Int64Hi x) (Int64Hi y)) 438 (AndB 439 (Eq32 (Int64Hi x) (Int64Hi y)) 440 (Greater32U (Int64Lo x) (Int64Lo y)))) 441 442 (Geq64 x y) -> 443 (OrB 444 (Greater32 (Int64Hi x) (Int64Hi y)) 445 (AndB 446 (Eq32 (Int64Hi x) (Int64Hi y)) 447 (Geq32U (Int64Lo x) (Int64Lo y))))