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| 1 // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are |
| 4 // met: |
| 5 // |
| 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided |
| 11 // with the distribution. |
| 12 // * Neither the name of Google Inc. nor the names of its |
| 13 // contributors may be used to endorse or promote products derived |
| 14 // from this software without specific prior written permission. |
| 15 // |
| 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 |
| 28 #include "src/v8.h" |
| 29 |
| 30 #include "src/disassembler.h" |
| 31 #include "src/factory.h" |
| 32 #include "src/macro-assembler.h" |
| 33 #include "src/s390/assembler-s390-inl.h" |
| 34 #include "src/s390/simulator-s390.h" |
| 35 #include "test/cctest/cctest.h" |
| 36 |
| 37 using namespace v8::internal; |
| 38 |
| 39 // Define these function prototypes to match JSEntryFunction in execution.cc. |
| 40 typedef Object* (*F1)(int x, int p1, int p2, int p3, int p4); |
| 41 typedef Object* (*F2)(int x, int y, int p2, int p3, int p4); |
| 42 typedef Object* (*F3)(void* p0, int p1, int p2, int p3, int p4); |
| 43 typedef Object* (*F4)(void* p0, void* p1, int p2, int p3, int p4); |
| 44 |
| 45 #define __ assm. |
| 46 |
| 47 // Simple add parameter 1 to parameter 2 and return |
| 48 TEST(0) { |
| 49 CcTest::InitializeVM(); |
| 50 Isolate* isolate = CcTest::i_isolate(); |
| 51 HandleScope scope(isolate); |
| 52 |
| 53 Assembler assm(isolate, NULL, 0); |
| 54 |
| 55 __ lhi(r1, Operand(3)); // test 4-byte instr |
| 56 __ llilf(r2, Operand(4)); // test 6-byte instr |
| 57 __ lgr(r2, r2); // test 2-byte opcode |
| 58 __ ar(r2, r1); // test 2-byte instr |
| 59 __ b(r14); |
| 60 |
| 61 CodeDesc desc; |
| 62 assm.GetCode(&desc); |
| 63 Handle<Code> code = isolate->factory()->NewCode( |
| 64 desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| 65 #ifdef DEBUG |
| 66 code->Print(); |
| 67 #endif |
| 68 F2 f = FUNCTION_CAST<F2>(code->entry()); |
| 69 intptr_t res = reinterpret_cast<intptr_t>( |
| 70 CALL_GENERATED_CODE(isolate, f, 3, 4, 0, 0, 0)); |
| 71 ::printf("f() = %" V8PRIxPTR "\n", res); |
| 72 CHECK_EQ(7, static_cast<int>(res)); |
| 73 } |
| 74 |
| 75 // Loop 100 times, adding loop counter to result |
| 76 TEST(1) { |
| 77 CcTest::InitializeVM(); |
| 78 Isolate* isolate = CcTest::i_isolate(); |
| 79 HandleScope scope(isolate); |
| 80 |
| 81 Assembler assm(isolate, NULL, 0); |
| 82 Label L, C; |
| 83 |
| 84 #if defined(_AIX) |
| 85 __ function_descriptor(); |
| 86 #endif |
| 87 |
| 88 __ lr(r3, r2); |
| 89 __ lhi(r2, Operand(0, kRelocInfo_NONEPTR)); |
| 90 __ b(&C); |
| 91 |
| 92 __ bind(&L); |
| 93 __ ar(r2, r3); |
| 94 __ ahi(r3, Operand(-1 & 0xFFFF)); |
| 95 |
| 96 __ bind(&C); |
| 97 __ cfi(r3, Operand(0, kRelocInfo_NONEPTR)); |
| 98 __ bne(&L); |
| 99 __ b(r14); |
| 100 |
| 101 CodeDesc desc; |
| 102 assm.GetCode(&desc); |
| 103 Handle<Code> code = isolate->factory()->NewCode( |
| 104 desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| 105 #ifdef DEBUG |
| 106 code->Print(); |
| 107 #endif |
| 108 F1 f = FUNCTION_CAST<F1>(code->entry()); |
| 109 intptr_t res = reinterpret_cast<intptr_t>( |
| 110 CALL_GENERATED_CODE(isolate, f, 100, 0, 0, 0, 0)); |
| 111 ::printf("f() = %" V8PRIxPTR "\n", res); |
| 112 CHECK_EQ(5050, static_cast<int>(res)); |
| 113 } |
| 114 |
| 115 TEST(2) { |
| 116 CcTest::InitializeVM(); |
| 117 Isolate* isolate = CcTest::i_isolate(); |
| 118 HandleScope scope(isolate); |
| 119 |
| 120 // Create a function that accepts &t, and loads, manipulates, and stores |
| 121 // the doubles and floats. |
| 122 Assembler assm(CcTest::i_isolate(), NULL, 0); |
| 123 Label L, C; |
| 124 |
| 125 #if defined(_AIX) |
| 126 __ function_descriptor(); |
| 127 #endif |
| 128 |
| 129 __ lgr(r3, r2); |
| 130 __ lhi(r2, Operand(1)); |
| 131 __ b(&C); |
| 132 |
| 133 __ bind(&L); |
| 134 __ lr(r5, r2); // Set up muliplicant in R4:R5 |
| 135 __ mr_z(r4, r3); // this is actually R4:R5 = R5 * R2 |
| 136 __ lr(r2, r5); |
| 137 __ ahi(r3, Operand(-1 & 0xFFFF)); |
| 138 |
| 139 __ bind(&C); |
| 140 __ cfi(r3, Operand(0, kRelocInfo_NONEPTR)); |
| 141 __ bne(&L); |
| 142 __ b(r14); |
| 143 |
| 144 // some relocated stuff here, not executed |
| 145 __ RecordComment("dead code, just testing relocations"); |
| 146 __ iilf(r0, Operand(isolate->factory()->true_value())); |
| 147 __ RecordComment("dead code, just testing immediate operands"); |
| 148 __ iilf(r0, Operand(-1)); |
| 149 __ iilf(r0, Operand(0xFF000000)); |
| 150 __ iilf(r0, Operand(0xF0F0F0F0)); |
| 151 __ iilf(r0, Operand(0xFFF0FFFF)); |
| 152 |
| 153 CodeDesc desc; |
| 154 assm.GetCode(&desc); |
| 155 Handle<Code> code = isolate->factory()->NewCode( |
| 156 desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| 157 #ifdef DEBUG |
| 158 code->Print(); |
| 159 #endif |
| 160 F1 f = FUNCTION_CAST<F1>(code->entry()); |
| 161 intptr_t res = reinterpret_cast<intptr_t>( |
| 162 CALL_GENERATED_CODE(isolate, f, 10, 0, 0, 0, 0)); |
| 163 ::printf("f() = %" V8PRIxPTR "\n", res); |
| 164 CHECK_EQ(3628800, static_cast<int>(res)); |
| 165 } |
| 166 |
| 167 TEST(3) { |
| 168 CcTest::InitializeVM(); |
| 169 Isolate* isolate = CcTest::i_isolate(); |
| 170 HandleScope scope(isolate); |
| 171 |
| 172 Assembler assm(isolate, NULL, 0); |
| 173 |
| 174 __ ar(r14, r13); |
| 175 __ sr(r14, r13); |
| 176 __ mr_z(r14, r13); |
| 177 __ dr(r14, r13); |
| 178 __ or_z(r14, r13); |
| 179 __ nr(r14, r13); |
| 180 __ xr(r14, r13); |
| 181 |
| 182 __ agr(r14, r13); |
| 183 __ sgr(r14, r13); |
| 184 __ ogr(r14, r13); |
| 185 __ ngr(r14, r13); |
| 186 __ xgr(r14, r13); |
| 187 |
| 188 __ ahi(r13, Operand(123)); |
| 189 __ aghi(r13, Operand(123)); |
| 190 __ stm(r1, r2, MemOperand(r3, r0, 123)); |
| 191 __ slag(r1, r2, Operand(123)); |
| 192 __ lay(r1, MemOperand(r2, r3, -123)); |
| 193 __ a(r13, MemOperand(r1, r2, 123)); |
| 194 __ ay(r13, MemOperand(r1, r2, 123)); |
| 195 __ brc(Condition(14), Operand(123)); |
| 196 __ brc(Condition(14), Operand(-123)); |
| 197 __ brcl(Condition(14), Operand(123), false); |
| 198 __ brcl(Condition(14), Operand(-123), false); |
| 199 __ iilf(r13, Operand(123456789)); |
| 200 __ iihf(r13, Operand(-123456789)); |
| 201 __ mvc(MemOperand(r0, 123), MemOperand(r4, 567), 89); |
| 202 __ sll(r13, Operand(10)); |
| 203 |
| 204 v8::internal::byte* bufPos = assm.buffer_pos(); |
| 205 ::printf("buffer position = %p", bufPos); |
| 206 ::fflush(stdout); |
| 207 // OS::DebugBreak(); |
| 208 |
| 209 CodeDesc desc; |
| 210 assm.GetCode(&desc); |
| 211 Handle<Code> code = isolate->factory()->NewCode( |
| 212 desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| 213 #ifdef DEBUG |
| 214 code->Print(); |
| 215 #endif |
| 216 USE(code); |
| 217 ::exit(0); |
| 218 } |
| 219 |
| 220 #if 0 |
| 221 TEST(4) { |
| 222 CcTest::InitializeVM(); |
| 223 Isolate* isolate = CcTest::i_isolate(); |
| 224 HandleScope scope(isolate); |
| 225 |
| 226 Assembler assm(isolate, NULL, 0); |
| 227 Label L2, L3, L4; |
| 228 |
| 229 __ chi(r2, Operand(10)); |
| 230 __ ble(&L2); |
| 231 __ lr(r2, r4); |
| 232 __ ar(r2, r3); |
| 233 __ b(&L3); |
| 234 |
| 235 __ bind(&L2); |
| 236 __ chi(r2, Operand(5)); |
| 237 __ bgt(&L4); |
| 238 |
| 239 __ lhi(r2, Operand::Zero()); |
| 240 __ b(&L3); |
| 241 |
| 242 __ bind(&L4); |
| 243 __ lr(r2, r3); |
| 244 __ sr(r2, r4); |
| 245 |
| 246 __ bind(&L3); |
| 247 __ lgfr(r2, r3); |
| 248 __ b(r14); |
| 249 |
| 250 CodeDesc desc; |
| 251 assm.GetCode(&desc); |
| 252 Handle<Code> code = isolate->factory()->NewCode( |
| 253 desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| 254 #ifdef DEBUG |
| 255 code->Print(); |
| 256 #endif |
| 257 F2 f = FUNCTION_CAST<F2>(code->entry()); |
| 258 intptr_t res = reinterpret_cast<intptr_t>( |
| 259 CALL_GENERATED_CODE(isolate, f, 3, 4, 3, 0, 0)); |
| 260 ::printf("f() = %" V8PRIdPTR "\n", res); |
| 261 CHECK_EQ(4, static_cast<int>(res)); |
| 262 } |
| 263 |
| 264 |
| 265 // Test ExtractBitRange |
| 266 TEST(5) { |
| 267 CcTest::InitializeVM(); |
| 268 Isolate* isolate = CcTest::i_isolate(); |
| 269 HandleScope scope(isolate); |
| 270 |
| 271 MacroAssembler assm(isolate, NULL, 0); |
| 272 |
| 273 __ mov(r2, Operand(0x12345678)); |
| 274 __ ExtractBitRange(r3, r2, 3, 2); |
| 275 __ lgfr(r2, r3); |
| 276 __ b(r14); |
| 277 |
| 278 CodeDesc desc; |
| 279 assm.GetCode(&desc); |
| 280 Handle<Code> code = isolate->factory()->NewCode( |
| 281 desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| 282 #ifdef DEBUG |
| 283 code->Print(); |
| 284 #endif |
| 285 F2 f = FUNCTION_CAST<F2>(code->entry()); |
| 286 intptr_t res = |
| 287 reinterpret_cast<intptr_t>(CALL_GENERATED_CODE(isolate, f, 3, 4, 3, 0, 0)); |
| 288 ::printf("f() = %" V8PRIdPTR "\n", res); |
| 289 CHECK_EQ(2, static_cast<int>(res)); |
| 290 } |
| 291 |
| 292 |
| 293 // Test JumpIfSmi |
| 294 TEST(6) { |
| 295 CcTest::InitializeVM(); |
| 296 Isolate* isolate = CcTest::i_isolate(); |
| 297 HandleScope scope(isolate); |
| 298 |
| 299 MacroAssembler assm(isolate, NULL, 0); |
| 300 |
| 301 Label yes; |
| 302 |
| 303 __ mov(r2, Operand(0x12345678)); |
| 304 __ JumpIfSmi(r2, &yes); |
| 305 __ beq(&yes); |
| 306 __ Load(r2, Operand::Zero()); |
| 307 __ b(r14); |
| 308 __ bind(&yes); |
| 309 __ Load(r2, Operand(1)); |
| 310 __ b(r14); |
| 311 |
| 312 CodeDesc desc; |
| 313 assm.GetCode(&desc); |
| 314 Handle<Code> code = isolate->factory()->NewCode( |
| 315 desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| 316 #ifdef DEBUG |
| 317 code->Print(); |
| 318 #endif |
| 319 F2 f = FUNCTION_CAST<F2>(code->entry()); |
| 320 intptr_t res = |
| 321 reinterpret_cast<intptr_t>(CALL_GENERATED_CODE(isolate, f, 3, 4, 3, 0, 0)); |
| 322 ::printf("f() = %" V8PRIdPTR "\n", res); |
| 323 CHECK_EQ(1, static_cast<int>(res)); |
| 324 } |
| 325 |
| 326 |
| 327 // Test fix<->floating point conversion. |
| 328 TEST(7) { |
| 329 CcTest::InitializeVM(); |
| 330 Isolate* isolate = CcTest::i_isolate(); |
| 331 HandleScope scope(isolate); |
| 332 |
| 333 MacroAssembler assm(isolate, NULL, 0); |
| 334 |
| 335 Label yes; |
| 336 |
| 337 __ mov(r3, Operand(0x1234)); |
| 338 __ cdfbr(d1, r3); |
| 339 __ ldr(d2, d1); |
| 340 __ adbr(d1, d2); |
| 341 __ cfdbr(Condition(0), r2, d1); |
| 342 __ b(r14); |
| 343 |
| 344 CodeDesc desc; |
| 345 assm.GetCode(&desc); |
| 346 Handle<Code> code = isolate->factory()->NewCode( |
| 347 desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| 348 #ifdef DEBUG |
| 349 code->Print(); |
| 350 #endif |
| 351 F2 f = FUNCTION_CAST<F2>(code->entry()); |
| 352 intptr_t res = |
| 353 reinterpret_cast<intptr_t>(CALL_GENERATED_CODE(isolate, f, 3, 4, 3, 0, 0)); |
| 354 ::printf("f() = %" V8PRIdPTR "\n", res); |
| 355 CHECK_EQ(0x2468, static_cast<int>(res)); |
| 356 } |
| 357 |
| 358 |
| 359 // Test DSGR |
| 360 TEST(8) { |
| 361 CcTest::InitializeVM(); |
| 362 Isolate* isolate = CcTest::i_isolate(); |
| 363 HandleScope scope(isolate); |
| 364 |
| 365 MacroAssembler assm(isolate, NULL, 0); |
| 366 |
| 367 // Zero upper bits of r3/r4 |
| 368 __ llihf(r3, Operand::Zero()); |
| 369 __ llihf(r4, Operand::Zero()); |
| 370 __ mov(r3, Operand(0x0002)); |
| 371 __ mov(r4, Operand(0x0002)); |
| 372 __ dsgr(r2, r4); |
| 373 __ b(r14); |
| 374 |
| 375 CodeDesc desc; |
| 376 assm.GetCode(&desc); |
| 377 Handle<Code> code = isolate->factory()->NewCode( |
| 378 desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| 379 #ifdef DEBUG |
| 380 code->Print(); |
| 381 #endif |
| 382 F1 f = FUNCTION_CAST<F1>(code->entry()); |
| 383 intptr_t res = |
| 384 reinterpret_cast<intptr_t>(CALL_GENERATED_CODE(isolate, f, 100, 0, |
| 385 0, 0, 0)); |
| 386 ::printf("f() = %" V8PRIdPTR "\n", res); |
| 387 CHECK_EQ(0, static_cast<int>(res)); |
| 388 } |
| 389 |
| 390 |
| 391 // Test LZDR |
| 392 TEST(9) { |
| 393 CcTest::InitializeVM(); |
| 394 Isolate* isolate = CcTest::i_isolate(); |
| 395 HandleScope scope(isolate); |
| 396 |
| 397 MacroAssembler assm(isolate, NULL, 0); |
| 398 |
| 399 __ lzdr(d4); |
| 400 __ b(r14); |
| 401 |
| 402 CodeDesc desc; |
| 403 assm.GetCode(&desc); |
| 404 Handle<Code> code = isolate->factory()->NewCode( |
| 405 desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| 406 #ifdef DEBUG |
| 407 code->Print(); |
| 408 #endif |
| 409 F1 f = FUNCTION_CAST<F1>(code->entry()); |
| 410 intptr_t res = |
| 411 reinterpret_cast<intptr_t>(CALL_GENERATED_CODE(isolate, f, 0, 0, 0, 0, 0)); |
| 412 ::printf("f() = %" V8PRIdPTR "\n", res); |
| 413 } |
| 414 #endif |
| 415 |
| 416 #undef __ |
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