Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 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(); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 205 | ::printf("buffer position = %p", static_cast<void*>(bufPos)); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 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 __ |