compiler/
lib/
examples/
std/
arch/
rv64/
decode.rad
14.3 KiB
emit.rad
24.2 KiB
encode.rad
19.1 KiB
isel.rad
47.4 KiB
printer.rad
12.6 KiB
tests.rad
15.7 KiB
rv64.rad
8.8 KiB
collections/
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sys/
arch.rad
65 B
collections.rad
36 B
fmt.rad
3.8 KiB
intrinsics.rad
399 B
io.rad
1.2 KiB
lang.rad
222 B
mem.rad
2.1 KiB
sys.rad
167 B
testing.rad
2.3 KiB
tests.rad
11.6 KiB
vec.rad
3.1 KiB
std.rad
231 B
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112 B
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2.5 KiB
std.lib
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std.lib.test
252 B
lib/std/arch/rv64/tests.rad
raw
| 1 | //! RV64I+M instruction encoding tests. |
| 2 | //! |
| 3 | //! These tests verify that instruction encodings match the RISC-V specification |
| 4 | //! by comparing against known-good values. |
| 5 | |
| 6 | use std::testing; |
| 7 | use super::encode; |
| 8 | |
| 9 | /// Helper to check encoding equals expected value. |
| 10 | fn expectEncoding(actual: u32, expected: u32) throws (testing::TestError) { |
| 11 | try testing::expect(actual == expected); |
| 12 | } |
| 13 | |
| 14 | /////////////////////// |
| 15 | // R-type ALU tests // |
| 16 | /////////////////////// |
| 17 | |
| 18 | @test fn testEncodeAdd() throws (testing::TestError) { |
| 19 | let enc = encode::add(super::reg(1), super::reg(2), super::reg(3)); |
| 20 | try expectEncoding(enc, 0x003100B3); |
| 21 | } |
| 22 | |
| 23 | @test fn testEncodeSub() throws (testing::TestError) { |
| 24 | let enc = encode::sub(super::reg(5), super::reg(6), super::reg(7)); |
| 25 | try expectEncoding(enc, 0x407302B3); |
| 26 | } |
| 27 | |
| 28 | @test fn testEncodeSll() throws (testing::TestError) { |
| 29 | let enc = encode::sll(super::reg(1), super::reg(2), super::reg(3)); |
| 30 | try expectEncoding(enc, 0x003110B3); |
| 31 | } |
| 32 | |
| 33 | @test fn testEncodeSlt() throws (testing::TestError) { |
| 34 | let enc = encode::slt(super::reg(1), super::reg(2), super::reg(3)); |
| 35 | try expectEncoding(enc, 0x003120B3); |
| 36 | } |
| 37 | |
| 38 | @test fn testEncodeSltu() throws (testing::TestError) { |
| 39 | let enc = encode::sltu(super::reg(1), super::reg(2), super::reg(3)); |
| 40 | try expectEncoding(enc, 0x003130B3); |
| 41 | } |
| 42 | |
| 43 | @test fn testEncodeXor() throws (testing::TestError) { |
| 44 | let enc = encode::xor(super::reg(1), super::reg(2), super::reg(3)); |
| 45 | try expectEncoding(enc, 0x003140B3); |
| 46 | } |
| 47 | |
| 48 | @test fn testEncodeSrl() throws (testing::TestError) { |
| 49 | let enc = encode::srl(super::reg(1), super::reg(2), super::reg(3)); |
| 50 | try expectEncoding(enc, 0x003150B3); |
| 51 | } |
| 52 | |
| 53 | @test fn testEncodeSra() throws (testing::TestError) { |
| 54 | let enc = encode::sra(super::reg(1), super::reg(2), super::reg(3)); |
| 55 | try expectEncoding(enc, 0x403150B3); |
| 56 | } |
| 57 | |
| 58 | @test fn testEncodeOr() throws (testing::TestError) { |
| 59 | let enc = encode::or_(super::reg(1), super::reg(2), super::reg(3)); |
| 60 | try expectEncoding(enc, 0x003160B3); |
| 61 | } |
| 62 | |
| 63 | @test fn testEncodeAnd() throws (testing::TestError) { |
| 64 | let enc = encode::and_(super::reg(1), super::reg(2), super::reg(3)); |
| 65 | try expectEncoding(enc, 0x003170B3); |
| 66 | } |
| 67 | |
| 68 | /////////////////////// |
| 69 | // I-type ALU tests // |
| 70 | /////////////////////// |
| 71 | |
| 72 | @test fn testEncodeAddi() throws (testing::TestError) { |
| 73 | let enc = encode::addi(super::reg(1), super::ZERO, 42); |
| 74 | try expectEncoding(enc, 0x02A00093); |
| 75 | } |
| 76 | |
| 77 | @test fn testEncodeAddiNegative() throws (testing::TestError) { |
| 78 | let enc = encode::addi(super::reg(1), super::ZERO, -1); |
| 79 | try expectEncoding(enc, 0xFFF00093); |
| 80 | } |
| 81 | |
| 82 | @test fn testEncodeSlti() throws (testing::TestError) { |
| 83 | let enc = encode::slti(super::reg(1), super::reg(2), 100); |
| 84 | try expectEncoding(enc, 0x06412093); |
| 85 | } |
| 86 | |
| 87 | @test fn testEncodeSltiu() throws (testing::TestError) { |
| 88 | let enc = encode::sltiu(super::reg(1), super::reg(2), 100); |
| 89 | try expectEncoding(enc, 0x06413093); |
| 90 | } |
| 91 | |
| 92 | @test fn testEncodeXori() throws (testing::TestError) { |
| 93 | let enc = encode::xori(super::reg(1), super::reg(2), 0xFF); |
| 94 | try expectEncoding(enc, 0x0FF14093); |
| 95 | } |
| 96 | |
| 97 | @test fn testEncodeOri() throws (testing::TestError) { |
| 98 | let enc = encode::ori(super::reg(1), super::reg(2), 0xFF); |
| 99 | try expectEncoding(enc, 0x0FF16093); |
| 100 | } |
| 101 | |
| 102 | @test fn testEncodeAndi() throws (testing::TestError) { |
| 103 | let enc = encode::andi(super::reg(1), super::reg(2), 0xFF); |
| 104 | try expectEncoding(enc, 0x0FF17093); |
| 105 | } |
| 106 | |
| 107 | @test fn testEncodeSlli() throws (testing::TestError) { |
| 108 | let enc = encode::slli(super::reg(1), super::reg(2), 5); |
| 109 | try expectEncoding(enc, 0x00511093); |
| 110 | } |
| 111 | |
| 112 | @test fn testEncodeSrli() throws (testing::TestError) { |
| 113 | let enc = encode::srli(super::reg(1), super::reg(2), 5); |
| 114 | try expectEncoding(enc, 0x00515093); |
| 115 | } |
| 116 | |
| 117 | @test fn testEncodeSrai() throws (testing::TestError) { |
| 118 | let enc = encode::srai(super::reg(1), super::reg(2), 5); |
| 119 | try expectEncoding(enc, 0x40515093); |
| 120 | } |
| 121 | |
| 122 | ////////////////// |
| 123 | // Load tests // |
| 124 | ////////////////// |
| 125 | |
| 126 | @test fn testEncodeLb() throws (testing::TestError) { |
| 127 | let enc = encode::lb(super::reg(1), super::reg(2), 8); |
| 128 | try expectEncoding(enc, 0x00810083); |
| 129 | } |
| 130 | |
| 131 | @test fn testEncodeLh() throws (testing::TestError) { |
| 132 | let enc = encode::lh(super::reg(1), super::reg(2), 8); |
| 133 | try expectEncoding(enc, 0x00811083); |
| 134 | } |
| 135 | |
| 136 | @test fn testEncodeLw() throws (testing::TestError) { |
| 137 | let enc = encode::lw(super::reg(1), super::reg(2), 8); |
| 138 | try expectEncoding(enc, 0x00812083); |
| 139 | } |
| 140 | |
| 141 | @test fn testEncodeLbu() throws (testing::TestError) { |
| 142 | let enc = encode::lbu(super::reg(1), super::reg(2), 8); |
| 143 | try expectEncoding(enc, 0x00814083); |
| 144 | } |
| 145 | |
| 146 | @test fn testEncodeLhu() throws (testing::TestError) { |
| 147 | let enc = encode::lhu(super::reg(1), super::reg(2), 8); |
| 148 | try expectEncoding(enc, 0x00815083); |
| 149 | } |
| 150 | |
| 151 | @test fn testEncodeLwu() throws (testing::TestError) { |
| 152 | let enc = encode::lwu(super::reg(1), super::reg(2), 8); |
| 153 | try expectEncoding(enc, 0x00816083); |
| 154 | } |
| 155 | |
| 156 | @test fn testEncodeLd() throws (testing::TestError) { |
| 157 | let enc = encode::ld(super::reg(1), super::reg(2), 8); |
| 158 | try expectEncoding(enc, 0x00813083); |
| 159 | } |
| 160 | |
| 161 | ////////////////// |
| 162 | // Store tests // |
| 163 | ////////////////// |
| 164 | |
| 165 | @test fn testEncodeSb() throws (testing::TestError) { |
| 166 | let enc = encode::sb(super::reg(3), super::reg(2), 8); |
| 167 | try expectEncoding(enc, 0x00310423); |
| 168 | } |
| 169 | |
| 170 | @test fn testEncodeSh() throws (testing::TestError) { |
| 171 | let enc = encode::sh(super::reg(3), super::reg(2), 8); |
| 172 | try expectEncoding(enc, 0x00311423); |
| 173 | } |
| 174 | |
| 175 | @test fn testEncodeSw() throws (testing::TestError) { |
| 176 | let enc = encode::sw(super::reg(3), super::reg(2), 8); |
| 177 | try expectEncoding(enc, 0x00312423); |
| 178 | } |
| 179 | |
| 180 | @test fn testEncodeSd() throws (testing::TestError) { |
| 181 | let enc = encode::sd(super::reg(3), super::reg(2), 8); |
| 182 | try expectEncoding(enc, 0x00313423); |
| 183 | } |
| 184 | |
| 185 | @test fn testEncodeSwNegativeOffset() throws (testing::TestError) { |
| 186 | let enc = encode::sw(super::reg(3), super::reg(2), -4); |
| 187 | try expectEncoding(enc, 0xFE312E23); |
| 188 | } |
| 189 | |
| 190 | ////////////////// |
| 191 | // Branch tests // |
| 192 | ////////////////// |
| 193 | |
| 194 | @test fn testEncodeBeq() throws (testing::TestError) { |
| 195 | let enc = encode::beq(super::reg(1), super::reg(2), 8); |
| 196 | try expectEncoding(enc, 0x00208463); |
| 197 | } |
| 198 | |
| 199 | @test fn testEncodeBne() throws (testing::TestError) { |
| 200 | let enc = encode::bne(super::reg(1), super::reg(2), 8); |
| 201 | try expectEncoding(enc, 0x00209463); |
| 202 | } |
| 203 | |
| 204 | @test fn testEncodeBlt() throws (testing::TestError) { |
| 205 | let enc = encode::blt(super::reg(1), super::reg(2), 8); |
| 206 | try expectEncoding(enc, 0x0020C463); |
| 207 | } |
| 208 | |
| 209 | @test fn testEncodeBge() throws (testing::TestError) { |
| 210 | let enc = encode::bge(super::reg(1), super::reg(2), 8); |
| 211 | try expectEncoding(enc, 0x0020D463); |
| 212 | } |
| 213 | |
| 214 | @test fn testEncodeBltu() throws (testing::TestError) { |
| 215 | let enc = encode::bltu(super::reg(1), super::reg(2), 8); |
| 216 | try expectEncoding(enc, 0x0020E463); |
| 217 | } |
| 218 | |
| 219 | @test fn testEncodeBgeu() throws (testing::TestError) { |
| 220 | let enc = encode::bgeu(super::reg(1), super::reg(2), 8); |
| 221 | try expectEncoding(enc, 0x0020F463); |
| 222 | } |
| 223 | |
| 224 | @test fn testEncodeBranchNegative() throws (testing::TestError) { |
| 225 | let enc = encode::beq(super::reg(1), super::reg(2), -8); |
| 226 | try expectEncoding(enc, 0xFE208CE3); |
| 227 | } |
| 228 | |
| 229 | ////////////////// |
| 230 | // Jump tests // |
| 231 | ////////////////// |
| 232 | |
| 233 | @test fn testEncodeJal() throws (testing::TestError) { |
| 234 | let enc = encode::jal(super::reg(1), 8); |
| 235 | try expectEncoding(enc, 0x008000EF); |
| 236 | } |
| 237 | |
| 238 | @test fn testEncodeJalr() throws (testing::TestError) { |
| 239 | let enc = encode::jalr(super::reg(1), super::reg(2), 8); |
| 240 | try expectEncoding(enc, 0x008100E7); |
| 241 | } |
| 242 | |
| 243 | /////////////////////////// |
| 244 | // Upper immediate tests // |
| 245 | /////////////////////////// |
| 246 | |
| 247 | @test fn testEncodeLui() throws (testing::TestError) { |
| 248 | let enc = encode::lui(super::reg(1), 0x12345); |
| 249 | try expectEncoding(enc, 0x123450B7); |
| 250 | } |
| 251 | |
| 252 | @test fn testEncodeAuipc() throws (testing::TestError) { |
| 253 | let enc = encode::auipc(super::reg(1), 0x12345); |
| 254 | try expectEncoding(enc, 0x12345097); |
| 255 | } |
| 256 | |
| 257 | ////////////////// |
| 258 | // System tests // |
| 259 | ////////////////// |
| 260 | |
| 261 | @test fn testEncodeEcall() throws (testing::TestError) { |
| 262 | let enc = encode::ecall(); |
| 263 | try expectEncoding(enc, 0x00000073); |
| 264 | } |
| 265 | |
| 266 | @test fn testEncodeEbreak() throws (testing::TestError) { |
| 267 | let enc = encode::ebreak(); |
| 268 | try expectEncoding(enc, 0x00100073); |
| 269 | } |
| 270 | |
| 271 | ///////////////////// |
| 272 | // M extension tests |
| 273 | ///////////////////// |
| 274 | |
| 275 | @test fn testEncodeMul() throws (testing::TestError) { |
| 276 | let enc = encode::mul(super::reg(1), super::reg(2), super::reg(3)); |
| 277 | try expectEncoding(enc, 0x023100B3); |
| 278 | } |
| 279 | |
| 280 | @test fn testEncodeMulh() throws (testing::TestError) { |
| 281 | let enc = encode::mulh(super::reg(1), super::reg(2), super::reg(3)); |
| 282 | try expectEncoding(enc, 0x023110B3); |
| 283 | } |
| 284 | |
| 285 | @test fn testEncodeMulhsu() throws (testing::TestError) { |
| 286 | let enc = encode::mulhsu(super::reg(1), super::reg(2), super::reg(3)); |
| 287 | try expectEncoding(enc, 0x023120B3); |
| 288 | } |
| 289 | |
| 290 | @test fn testEncodeMulhu() throws (testing::TestError) { |
| 291 | let enc = encode::mulhu(super::reg(1), super::reg(2), super::reg(3)); |
| 292 | try expectEncoding(enc, 0x023130B3); |
| 293 | } |
| 294 | |
| 295 | @test fn testEncodeDiv() throws (testing::TestError) { |
| 296 | let enc = encode::div(super::reg(1), super::reg(2), super::reg(3)); |
| 297 | try expectEncoding(enc, 0x023140B3); |
| 298 | } |
| 299 | |
| 300 | @test fn testEncodeDivu() throws (testing::TestError) { |
| 301 | let enc = encode::divu(super::reg(1), super::reg(2), super::reg(3)); |
| 302 | try expectEncoding(enc, 0x023150B3); |
| 303 | } |
| 304 | |
| 305 | @test fn testEncodeRem() throws (testing::TestError) { |
| 306 | let enc = encode::rem(super::reg(1), super::reg(2), super::reg(3)); |
| 307 | try expectEncoding(enc, 0x023160B3); |
| 308 | } |
| 309 | |
| 310 | @test fn testEncodeRemu() throws (testing::TestError) { |
| 311 | let enc = encode::remu(super::reg(1), super::reg(2), super::reg(3)); |
| 312 | try expectEncoding(enc, 0x023170B3); |
| 313 | } |
| 314 | |
| 315 | //////////////////////////// |
| 316 | // RV64 Word operation tests |
| 317 | //////////////////////////// |
| 318 | |
| 319 | @test fn testEncodeAddiw() throws (testing::TestError) { |
| 320 | let enc = encode::addiw(super::reg(1), super::reg(2), 42); |
| 321 | try expectEncoding(enc, 0x02A1009B); |
| 322 | } |
| 323 | |
| 324 | @test fn testEncodeSlliw() throws (testing::TestError) { |
| 325 | let enc = encode::slliw(super::reg(1), super::reg(2), 5); |
| 326 | try expectEncoding(enc, 0x0051109B); |
| 327 | } |
| 328 | |
| 329 | @test fn testEncodeSrliw() throws (testing::TestError) { |
| 330 | let enc = encode::srliw(super::reg(1), super::reg(2), 5); |
| 331 | try expectEncoding(enc, 0x0051509B); |
| 332 | } |
| 333 | |
| 334 | @test fn testEncodeSraiw() throws (testing::TestError) { |
| 335 | let enc = encode::sraiw(super::reg(1), super::reg(2), 5); |
| 336 | try expectEncoding(enc, 0x4051509B); |
| 337 | } |
| 338 | |
| 339 | @test fn testEncodeAddw() throws (testing::TestError) { |
| 340 | let enc = encode::addw(super::reg(1), super::reg(2), super::reg(3)); |
| 341 | try expectEncoding(enc, 0x003100BB); |
| 342 | } |
| 343 | |
| 344 | @test fn testEncodeSubw() throws (testing::TestError) { |
| 345 | let enc = encode::subw(super::reg(1), super::reg(2), super::reg(3)); |
| 346 | try expectEncoding(enc, 0x403100BB); |
| 347 | } |
| 348 | |
| 349 | @test fn testEncodeSllw() throws (testing::TestError) { |
| 350 | let enc = encode::sllw(super::reg(1), super::reg(2), super::reg(3)); |
| 351 | try expectEncoding(enc, 0x003110BB); |
| 352 | } |
| 353 | |
| 354 | @test fn testEncodeSrlw() throws (testing::TestError) { |
| 355 | let enc = encode::srlw(super::reg(1), super::reg(2), super::reg(3)); |
| 356 | try expectEncoding(enc, 0x003150BB); |
| 357 | } |
| 358 | |
| 359 | @test fn testEncodeSraw() throws (testing::TestError) { |
| 360 | let enc = encode::sraw(super::reg(1), super::reg(2), super::reg(3)); |
| 361 | try expectEncoding(enc, 0x403150BB); |
| 362 | } |
| 363 | |
| 364 | @test fn testEncodeMulw() throws (testing::TestError) { |
| 365 | let enc = encode::mulw(super::reg(1), super::reg(2), super::reg(3)); |
| 366 | try expectEncoding(enc, 0x023100BB); |
| 367 | } |
| 368 | |
| 369 | @test fn testEncodeDivw() throws (testing::TestError) { |
| 370 | let enc = encode::divw(super::reg(1), super::reg(2), super::reg(3)); |
| 371 | try expectEncoding(enc, 0x023140BB); |
| 372 | } |
| 373 | |
| 374 | @test fn testEncodeDivuw() throws (testing::TestError) { |
| 375 | let enc = encode::divuw(super::reg(1), super::reg(2), super::reg(3)); |
| 376 | try expectEncoding(enc, 0x023150BB); |
| 377 | } |
| 378 | |
| 379 | @test fn testEncodeRemw() throws (testing::TestError) { |
| 380 | let enc = encode::remw(super::reg(1), super::reg(2), super::reg(3)); |
| 381 | try expectEncoding(enc, 0x023160BB); |
| 382 | } |
| 383 | |
| 384 | @test fn testEncodeRemuw() throws (testing::TestError) { |
| 385 | let enc = encode::remuw(super::reg(1), super::reg(2), super::reg(3)); |
| 386 | try expectEncoding(enc, 0x023170BB); |
| 387 | } |
| 388 | |
| 389 | ///////////////////////////////// |
| 390 | // RV64 6-bit shift amount tests |
| 391 | ///////////////////////////////// |
| 392 | |
| 393 | @test fn testEncodeSlli64() throws (testing::TestError) { |
| 394 | let enc = encode::slli(super::reg(1), super::reg(2), 32); |
| 395 | try expectEncoding(enc, 0x02011093); |
| 396 | } |
| 397 | |
| 398 | @test fn testEncodeSrli64() throws (testing::TestError) { |
| 399 | let enc = encode::srli(super::reg(1), super::reg(2), 32); |
| 400 | try expectEncoding(enc, 0x02015093); |
| 401 | } |
| 402 | |
| 403 | @test fn testEncodeSrai64() throws (testing::TestError) { |
| 404 | let enc = encode::srai(super::reg(1), super::reg(2), 32); |
| 405 | try expectEncoding(enc, 0x42015093); |
| 406 | } |
| 407 | |
| 408 | /////////////////////////// |
| 409 | // Pseudo-instruction tests |
| 410 | /////////////////////////// |
| 411 | |
| 412 | @test fn testEncodeNop() throws (testing::TestError) { |
| 413 | let enc = encode::nop(); |
| 414 | try expectEncoding(enc, 0x00000013); |
| 415 | } |
| 416 | |
| 417 | @test fn testEncodeMv() throws (testing::TestError) { |
| 418 | let enc = encode::mv(super::reg(1), super::reg(2)); |
| 419 | try expectEncoding(enc, 0x00010093); |
| 420 | } |
| 421 | |
| 422 | @test fn testEncodeNot() throws (testing::TestError) { |
| 423 | let enc = encode::not_(super::reg(1), super::reg(2)); |
| 424 | try expectEncoding(enc, 0xFFF14093); |
| 425 | } |
| 426 | |
| 427 | @test fn testEncodeNeg() throws (testing::TestError) { |
| 428 | let enc = encode::neg(super::reg(1), super::reg(2)); |
| 429 | try expectEncoding(enc, 0x402000B3); |
| 430 | } |
| 431 | |
| 432 | @test fn testEncodeRet() throws (testing::TestError) { |
| 433 | let enc = encode::ret(); |
| 434 | try expectEncoding(enc, 0x00008067); |
| 435 | } |
| 436 | |
| 437 | @test fn testEncodeJ() throws (testing::TestError) { |
| 438 | let enc = encode::j(8); |
| 439 | try expectEncoding(enc, 0x0080006F); |
| 440 | } |
| 441 | |
| 442 | @test fn testEncodeBle() throws (testing::TestError) { |
| 443 | let enc = encode::ble(super::reg(1), super::reg(2), 8); |
| 444 | try expectEncoding(enc, 0x00115463); |
| 445 | } |
| 446 | |
| 447 | @test fn testEncodeBgt() throws (testing::TestError) { |
| 448 | let enc = encode::bgt(super::reg(1), super::reg(2), 8); |
| 449 | try expectEncoding(enc, 0x00114463); |
| 450 | } |
| 451 | |
| 452 | @test fn testEncodeSeqz() throws (testing::TestError) { |
| 453 | let enc = encode::seqz(super::reg(1), super::reg(2)); |
| 454 | try expectEncoding(enc, 0x00113093); |
| 455 | } |
| 456 | |
| 457 | @test fn testEncodeSnez() throws (testing::TestError) { |
| 458 | let enc = encode::snez(super::reg(1), super::reg(2)); |
| 459 | try expectEncoding(enc, 0x002030B3); |
| 460 | } |
| 461 | |
| 462 | @test fn testEncodeBeqz() throws (testing::TestError) { |
| 463 | let enc = encode::beqz(super::reg(1), 8); |
| 464 | try expectEncoding(enc, 0x00008463); |
| 465 | } |
| 466 | |
| 467 | @test fn testEncodeBnez() throws (testing::TestError) { |
| 468 | let enc = encode::bnez(super::reg(1), 8); |
| 469 | try expectEncoding(enc, 0x00009463); |
| 470 | } |
| 471 | |
| 472 | @test fn testEncodeCall() throws (testing::TestError) { |
| 473 | let enc = encode::call(8); |
| 474 | try expectEncoding(enc, 0x008000EF); |
| 475 | } |
| 476 | |
| 477 | ///////////////////////////// |
| 478 | // Validation helper tests // |
| 479 | ///////////////////////////// |
| 480 | |
| 481 | @test fn testIsSmallImm() throws (testing::TestError) { |
| 482 | try testing::expect(encode::isSmallImm(0)); |
| 483 | try testing::expect(encode::isSmallImm(2047)); |
| 484 | try testing::expect(encode::isSmallImm(-2048)); |
| 485 | try testing::expect(encode::isSmallImm(-1)); |
| 486 | try testing::expectNot(encode::isSmallImm(2048)); |
| 487 | try testing::expectNot(encode::isSmallImm(-2049)); |
| 488 | } |
| 489 | |
| 490 | @test fn testIsBranchImm() throws (testing::TestError) { |
| 491 | try testing::expect(encode::isBranchImm(0)); |
| 492 | try testing::expect(encode::isBranchImm(8)); |
| 493 | try testing::expect(encode::isBranchImm(-8)); |
| 494 | try testing::expect(encode::isBranchImm(4094)); |
| 495 | try testing::expect(encode::isBranchImm(-4096)); |
| 496 | try testing::expectNot(encode::isBranchImm(1)); // Must be even |
| 497 | try testing::expectNot(encode::isBranchImm(4096)); // Out of range |
| 498 | } |
| 499 | |
| 500 | @test fn testIsJumpImm() throws (testing::TestError) { |
| 501 | try testing::expect(encode::isJumpImm(0)); |
| 502 | try testing::expect(encode::isJumpImm(8)); |
| 503 | try testing::expect(encode::isJumpImm(-8)); |
| 504 | try testing::expect(encode::isJumpImm(1048574)); // Max positive even |
| 505 | try testing::expect(encode::isJumpImm(-1048576)); // Min negative |
| 506 | try testing::expectNot(encode::isJumpImm(1)); // Must be even |
| 507 | try testing::expectNot(encode::isJumpImm(1048576)); // Out of range |
| 508 | } |