Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | // Copyright 2012 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/ppc/assembler-ppc-inl.h" |
| 33 | #include "src/ppc/simulator-ppc.h" |
| 34 | #include "test/cctest/cctest.h" |
| 35 | |
| 36 | using namespace v8::internal; |
| 37 | |
| 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 | |
| 46 | #define __ assm. |
| 47 | |
| 48 | // Simple add parameter 1 to parameter 2 and return |
| 49 | TEST(0) { |
| 50 | CcTest::InitializeVM(); |
| 51 | Isolate* isolate = CcTest::i_isolate(); |
| 52 | HandleScope scope(isolate); |
| 53 | |
| 54 | Assembler assm(isolate, NULL, 0); |
| 55 | |
| 56 | __ function_descriptor(); |
| 57 | |
| 58 | __ add(r3, r3, r4); |
| 59 | __ blr(); |
| 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() = %" V8PRIdPTR "\n", res); |
| 72 | CHECK_EQ(7, static_cast<int>(res)); |
| 73 | } |
| 74 | |
| 75 | |
| 76 | // Loop 100 times, adding loop counter to result |
| 77 | TEST(1) { |
| 78 | CcTest::InitializeVM(); |
| 79 | Isolate* isolate = CcTest::i_isolate(); |
| 80 | HandleScope scope(isolate); |
| 81 | |
| 82 | Assembler assm(isolate, NULL, 0); |
| 83 | Label L, C; |
| 84 | |
| 85 | __ function_descriptor(); |
| 86 | |
| 87 | __ mr(r4, r3); |
| 88 | __ li(r3, Operand::Zero()); |
| 89 | __ b(&C); |
| 90 | |
| 91 | __ bind(&L); |
| 92 | __ add(r3, r3, r4); |
| 93 | __ subi(r4, r4, Operand(1)); |
| 94 | |
| 95 | __ bind(&C); |
| 96 | __ cmpi(r4, Operand::Zero()); |
| 97 | __ bne(&L); |
| 98 | __ blr(); |
| 99 | |
| 100 | CodeDesc desc; |
| 101 | assm.GetCode(&desc); |
| 102 | Handle<Code> code = isolate->factory()->NewCode( |
| 103 | desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| 104 | #ifdef DEBUG |
| 105 | code->Print(); |
| 106 | #endif |
| 107 | F1 f = FUNCTION_CAST<F1>(code->entry()); |
| 108 | intptr_t res = reinterpret_cast<intptr_t>( |
| 109 | CALL_GENERATED_CODE(isolate, f, 100, 0, 0, 0, 0)); |
| 110 | ::printf("f() = %" V8PRIdPTR "\n", res); |
| 111 | CHECK_EQ(5050, static_cast<int>(res)); |
| 112 | } |
| 113 | |
| 114 | |
| 115 | TEST(2) { |
| 116 | CcTest::InitializeVM(); |
| 117 | Isolate* isolate = CcTest::i_isolate(); |
| 118 | HandleScope scope(isolate); |
| 119 | |
| 120 | Assembler assm(isolate, NULL, 0); |
| 121 | Label L, C; |
| 122 | |
| 123 | __ function_descriptor(); |
| 124 | |
| 125 | __ mr(r4, r3); |
| 126 | __ li(r3, Operand(1)); |
| 127 | __ b(&C); |
| 128 | |
| 129 | __ bind(&L); |
| 130 | #if defined(V8_TARGET_ARCH_PPC64) |
| 131 | __ mulld(r3, r4, r3); |
| 132 | #else |
| 133 | __ mullw(r3, r4, r3); |
| 134 | #endif |
| 135 | __ subi(r4, r4, Operand(1)); |
| 136 | |
| 137 | __ bind(&C); |
| 138 | __ cmpi(r4, Operand::Zero()); |
| 139 | __ bne(&L); |
| 140 | __ blr(); |
| 141 | |
| 142 | // some relocated stuff here, not executed |
| 143 | __ RecordComment("dead code, just testing relocations"); |
| 144 | __ mov(r0, Operand(isolate->factory()->true_value())); |
| 145 | __ RecordComment("dead code, just testing immediate operands"); |
| 146 | __ mov(r0, Operand(-1)); |
| 147 | __ mov(r0, Operand(0xFF000000)); |
| 148 | __ mov(r0, Operand(0xF0F0F0F0)); |
| 149 | __ mov(r0, Operand(0xFFF0FFFF)); |
| 150 | |
| 151 | CodeDesc desc; |
| 152 | assm.GetCode(&desc); |
| 153 | Handle<Code> code = isolate->factory()->NewCode( |
| 154 | desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| 155 | #ifdef DEBUG |
| 156 | code->Print(); |
| 157 | #endif |
| 158 | F1 f = FUNCTION_CAST<F1>(code->entry()); |
| 159 | intptr_t res = reinterpret_cast<intptr_t>( |
| 160 | CALL_GENERATED_CODE(isolate, f, 10, 0, 0, 0, 0)); |
| 161 | ::printf("f() = %" V8PRIdPTR "\n", res); |
| 162 | CHECK_EQ(3628800, static_cast<int>(res)); |
| 163 | } |
| 164 | |
| 165 | |
| 166 | TEST(3) { |
| 167 | CcTest::InitializeVM(); |
| 168 | Isolate* isolate = CcTest::i_isolate(); |
| 169 | HandleScope scope(isolate); |
| 170 | |
| 171 | typedef struct { |
| 172 | int i; |
| 173 | char c; |
| 174 | int16_t s; |
| 175 | } T; |
| 176 | T t; |
| 177 | |
| 178 | Assembler assm(CcTest::i_isolate(), NULL, 0); |
| 179 | Label L, C; |
| 180 | |
| 181 | __ function_descriptor(); |
| 182 | |
| 183 | // build a frame |
| 184 | #if V8_TARGET_ARCH_PPC64 |
| 185 | __ stdu(sp, MemOperand(sp, -32)); |
| 186 | __ std(fp, MemOperand(sp, 24)); |
| 187 | #else |
| 188 | __ stwu(sp, MemOperand(sp, -16)); |
| 189 | __ stw(fp, MemOperand(sp, 12)); |
| 190 | #endif |
| 191 | __ mr(fp, sp); |
| 192 | |
| 193 | // r4 points to our struct |
| 194 | __ mr(r4, r3); |
| 195 | |
| 196 | // modify field int i of struct |
| 197 | __ lwz(r3, MemOperand(r4, offsetof(T, i))); |
| 198 | __ srwi(r5, r3, Operand(1)); |
| 199 | __ stw(r5, MemOperand(r4, offsetof(T, i))); |
| 200 | |
| 201 | // modify field char c of struct |
| 202 | __ lbz(r5, MemOperand(r4, offsetof(T, c))); |
| 203 | __ add(r3, r5, r3); |
| 204 | __ slwi(r5, r5, Operand(2)); |
| 205 | __ stb(r5, MemOperand(r4, offsetof(T, c))); |
| 206 | |
| 207 | // modify field int16_t s of struct |
| 208 | __ lhz(r5, MemOperand(r4, offsetof(T, s))); |
| 209 | __ add(r3, r5, r3); |
| 210 | __ srwi(r5, r5, Operand(3)); |
| 211 | __ sth(r5, MemOperand(r4, offsetof(T, s))); |
| 212 | |
| 213 | // restore frame |
| 214 | #if V8_TARGET_ARCH_PPC64 |
| 215 | __ addi(r11, fp, Operand(32)); |
| 216 | __ ld(fp, MemOperand(r11, -8)); |
| 217 | #else |
| 218 | __ addi(r11, fp, Operand(16)); |
| 219 | __ lwz(fp, MemOperand(r11, -4)); |
| 220 | #endif |
| 221 | __ mr(sp, r11); |
| 222 | __ blr(); |
| 223 | |
| 224 | CodeDesc desc; |
| 225 | assm.GetCode(&desc); |
| 226 | Handle<Code> code = isolate->factory()->NewCode( |
| 227 | desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| 228 | #ifdef DEBUG |
| 229 | code->Print(); |
| 230 | #endif |
| 231 | F3 f = FUNCTION_CAST<F3>(code->entry()); |
| 232 | t.i = 100000; |
| 233 | t.c = 10; |
| 234 | t.s = 1000; |
| 235 | intptr_t res = reinterpret_cast<intptr_t>( |
| 236 | CALL_GENERATED_CODE(isolate, f, &t, 0, 0, 0, 0)); |
| 237 | ::printf("f() = %" V8PRIdPTR "\n", res); |
| 238 | CHECK_EQ(101010, static_cast<int>(res)); |
| 239 | CHECK_EQ(100000 / 2, t.i); |
| 240 | CHECK_EQ(10 * 4, t.c); |
| 241 | CHECK_EQ(1000 / 8, t.s); |
| 242 | } |
| 243 | |
| 244 | #if 0 |
| 245 | TEST(4) { |
| 246 | // Test the VFP floating point instructions. |
| 247 | CcTest::InitializeVM(); |
| 248 | Isolate* isolate = CcTest::i_isolate(); |
| 249 | HandleScope scope(isolate); |
| 250 | |
| 251 | typedef struct { |
| 252 | double a; |
| 253 | double b; |
| 254 | double c; |
| 255 | double d; |
| 256 | double e; |
| 257 | double f; |
| 258 | double g; |
| 259 | double h; |
| 260 | int i; |
| 261 | double m; |
| 262 | double n; |
| 263 | float x; |
| 264 | float y; |
| 265 | } T; |
| 266 | T t; |
| 267 | |
| 268 | // Create a function that accepts &t, and loads, manipulates, and stores |
| 269 | // the doubles and floats. |
| 270 | Assembler assm(CcTest::i_isolate(), NULL, 0); |
| 271 | Label L, C; |
| 272 | |
| 273 | if (CpuFeatures::IsSupported(VFP3)) { |
| 274 | CpuFeatures::Scope scope(VFP3); |
| 275 | |
| 276 | __ mov(ip, Operand(sp)); |
| 277 | __ stm(db_w, sp, r4.bit() | fp.bit() | lr.bit()); |
| 278 | __ sub(fp, ip, Operand(4)); |
| 279 | |
| 280 | __ mov(r4, Operand(r0)); |
| 281 | __ vldr(d6, r4, offsetof(T, a)); |
| 282 | __ vldr(d7, r4, offsetof(T, b)); |
| 283 | __ vadd(d5, d6, d7); |
| 284 | __ vstr(d5, r4, offsetof(T, c)); |
| 285 | |
| 286 | __ vmov(r2, r3, d5); |
| 287 | __ vmov(d4, r2, r3); |
| 288 | __ vstr(d4, r4, offsetof(T, b)); |
| 289 | |
| 290 | // Load t.x and t.y, switch values, and store back to the struct. |
| 291 | __ vldr(s0, r4, offsetof(T, x)); |
| 292 | __ vldr(s31, r4, offsetof(T, y)); |
| 293 | __ vmov(s16, s0); |
| 294 | __ vmov(s0, s31); |
| 295 | __ vmov(s31, s16); |
| 296 | __ vstr(s0, r4, offsetof(T, x)); |
| 297 | __ vstr(s31, r4, offsetof(T, y)); |
| 298 | |
| 299 | // Move a literal into a register that can be encoded in the instruction. |
| 300 | __ vmov(d4, 1.0); |
| 301 | __ vstr(d4, r4, offsetof(T, e)); |
| 302 | |
| 303 | // Move a literal into a register that requires 64 bits to encode. |
| 304 | // 0x3ff0000010000000 = 1.000000059604644775390625 |
| 305 | __ vmov(d4, 1.000000059604644775390625); |
| 306 | __ vstr(d4, r4, offsetof(T, d)); |
| 307 | |
| 308 | // Convert from floating point to integer. |
| 309 | __ vmov(d4, 2.0); |
| 310 | __ vcvt_s32_f64(s31, d4); |
| 311 | __ vstr(s31, r4, offsetof(T, i)); |
| 312 | |
| 313 | // Convert from integer to floating point. |
| 314 | __ mov(lr, Operand(42)); |
| 315 | __ vmov(s31, lr); |
| 316 | __ vcvt_f64_s32(d4, s31); |
| 317 | __ vstr(d4, r4, offsetof(T, f)); |
| 318 | |
| 319 | // Test vabs. |
| 320 | __ vldr(d1, r4, offsetof(T, g)); |
| 321 | __ vabs(d0, d1); |
| 322 | __ vstr(d0, r4, offsetof(T, g)); |
| 323 | __ vldr(d2, r4, offsetof(T, h)); |
| 324 | __ vabs(d0, d2); |
| 325 | __ vstr(d0, r4, offsetof(T, h)); |
| 326 | |
| 327 | // Test vneg. |
| 328 | __ vldr(d1, r4, offsetof(T, m)); |
| 329 | __ vneg(d0, d1); |
| 330 | __ vstr(d0, r4, offsetof(T, m)); |
| 331 | __ vldr(d1, r4, offsetof(T, n)); |
| 332 | __ vneg(d0, d1); |
| 333 | __ vstr(d0, r4, offsetof(T, n)); |
| 334 | |
| 335 | __ ldm(ia_w, sp, r4.bit() | fp.bit() | pc.bit()); |
| 336 | |
| 337 | CodeDesc desc; |
| 338 | assm.GetCode(&desc); |
| 339 | Object* code = isolate->heap()->CreateCode( |
| 340 | desc, |
| 341 | Code::ComputeFlags(Code::STUB), |
| 342 | Handle<Code>())->ToObjectChecked(); |
| 343 | CHECK(code->IsCode()); |
| 344 | #ifdef DEBUG |
| 345 | Code::cast(code)->Print(); |
| 346 | #endif |
| 347 | F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
| 348 | t.a = 1.5; |
| 349 | t.b = 2.75; |
| 350 | t.c = 17.17; |
| 351 | t.d = 0.0; |
| 352 | t.e = 0.0; |
| 353 | t.f = 0.0; |
| 354 | t.g = -2718.2818; |
| 355 | t.h = 31415926.5; |
| 356 | t.i = 0; |
| 357 | t.m = -2718.2818; |
| 358 | t.n = 123.456; |
| 359 | t.x = 4.5; |
| 360 | t.y = 9.0; |
| 361 | Object* dummy = CALL_GENERATED_CODE(isolate, f, &t, 0, 0, 0, 0); |
| 362 | USE(dummy); |
| 363 | CHECK_EQ(4.5, t.y); |
| 364 | CHECK_EQ(9.0, t.x); |
| 365 | CHECK_EQ(-123.456, t.n); |
| 366 | CHECK_EQ(2718.2818, t.m); |
| 367 | CHECK_EQ(2, t.i); |
| 368 | CHECK_EQ(2718.2818, t.g); |
| 369 | CHECK_EQ(31415926.5, t.h); |
| 370 | CHECK_EQ(42.0, t.f); |
| 371 | CHECK_EQ(1.0, t.e); |
| 372 | CHECK_EQ(1.000000059604644775390625, t.d); |
| 373 | CHECK_EQ(4.25, t.c); |
| 374 | CHECK_EQ(4.25, t.b); |
| 375 | CHECK_EQ(1.5, t.a); |
| 376 | } |
| 377 | } |
| 378 | |
| 379 | |
| 380 | TEST(5) { |
| 381 | // Test the ARMv7 bitfield instructions. |
| 382 | CcTest::InitializeVM(); |
| 383 | Isolate* isolate = CcTest::i_isolate(); |
| 384 | HandleScope scope(isolate); |
| 385 | |
| 386 | Assembler assm(isolate, NULL, 0); |
| 387 | |
| 388 | if (CpuFeatures::IsSupported(ARMv7)) { |
| 389 | CpuFeatures::Scope scope(ARMv7); |
| 390 | // On entry, r0 = 0xAAAAAAAA = 0b10..10101010. |
| 391 | __ ubfx(r0, r0, 1, 12); // 0b00..010101010101 = 0x555 |
| 392 | __ sbfx(r0, r0, 0, 5); // 0b11..111111110101 = -11 |
| 393 | __ bfc(r0, 1, 3); // 0b11..111111110001 = -15 |
| 394 | __ mov(r1, Operand(7)); |
| 395 | __ bfi(r0, r1, 3, 3); // 0b11..111111111001 = -7 |
| 396 | __ mov(pc, Operand(lr)); |
| 397 | |
| 398 | CodeDesc desc; |
| 399 | assm.GetCode(&desc); |
| 400 | Object* code = isolate->heap()->CreateCode( |
| 401 | desc, |
| 402 | Code::ComputeFlags(Code::STUB), |
| 403 | Handle<Code>())->ToObjectChecked(); |
| 404 | CHECK(code->IsCode()); |
| 405 | #ifdef DEBUG |
| 406 | Code::cast(code)->Print(); |
| 407 | #endif |
| 408 | F1 f = FUNCTION_CAST<F1>(Code::cast(code)->entry()); |
| 409 | int res = reinterpret_cast<int>( |
| 410 | CALL_GENERATED_CODE(isolate, f, 0xAAAAAAAA, 0, 0, 0, 0)); |
| 411 | ::printf("f() = %d\n", res); |
| 412 | CHECK_EQ(-7, res); |
| 413 | } |
| 414 | } |
| 415 | |
| 416 | |
| 417 | TEST(6) { |
| 418 | // Test saturating instructions. |
| 419 | CcTest::InitializeVM(); |
| 420 | Isolate* isolate = CcTest::i_isolate(); |
| 421 | HandleScope scope(isolate); |
| 422 | |
| 423 | Assembler assm(isolate, NULL, 0); |
| 424 | |
| 425 | if (CpuFeatures::IsSupported(ARMv7)) { |
| 426 | CpuFeatures::Scope scope(ARMv7); |
| 427 | __ usat(r1, 8, Operand(r0)); // Sat 0xFFFF to 0-255 = 0xFF. |
| 428 | __ usat(r2, 12, Operand(r0, ASR, 9)); // Sat (0xFFFF>>9) to 0-4095 = 0x7F. |
| 429 | __ usat(r3, 1, Operand(r0, LSL, 16)); // Sat (0xFFFF<<16) to 0-1 = 0x0. |
| 430 | __ addi(r0, r1, Operand(r2)); |
| 431 | __ addi(r0, r0, Operand(r3)); |
| 432 | __ mov(pc, Operand(lr)); |
| 433 | |
| 434 | CodeDesc desc; |
| 435 | assm.GetCode(&desc); |
| 436 | Object* code = isolate->heap()->CreateCode( |
| 437 | desc, |
| 438 | Code::ComputeFlags(Code::STUB), |
| 439 | Handle<Code>())->ToObjectChecked(); |
| 440 | CHECK(code->IsCode()); |
| 441 | #ifdef DEBUG |
| 442 | Code::cast(code)->Print(); |
| 443 | #endif |
| 444 | F1 f = FUNCTION_CAST<F1>(Code::cast(code)->entry()); |
| 445 | int res = reinterpret_cast<int>( |
| 446 | CALL_GENERATED_CODE(isolate, f, 0xFFFF, 0, 0, 0, 0)); |
| 447 | ::printf("f() = %d\n", res); |
| 448 | CHECK_EQ(382, res); |
| 449 | } |
| 450 | } |
| 451 | |
| 452 | enum VCVTTypes { |
| 453 | s32_f64, |
| 454 | u32_f64 |
| 455 | }; |
| 456 | |
| 457 | static void TestRoundingMode(VCVTTypes types, |
| 458 | VFPRoundingMode mode, |
| 459 | double value, |
| 460 | int expected, |
| 461 | bool expected_exception = false) { |
| 462 | CcTest::InitializeVM(); |
| 463 | Isolate* isolate = CcTest::i_isolate(); |
| 464 | HandleScope scope(isolate); |
| 465 | |
| 466 | Assembler assm(isolate, NULL, 0); |
| 467 | |
| 468 | if (CpuFeatures::IsSupported(VFP3)) { |
| 469 | CpuFeatures::Scope scope(VFP3); |
| 470 | |
| 471 | Label wrong_exception; |
| 472 | |
| 473 | __ vmrs(r1); |
| 474 | // Set custom FPSCR. |
| 475 | __ bic(r2, r1, Operand(kVFPRoundingModeMask | kVFPExceptionMask)); |
| 476 | __ orr(r2, r2, Operand(mode)); |
| 477 | __ vmsr(r2); |
| 478 | |
| 479 | // Load value, convert, and move back result to r0 if everything went well. |
| 480 | __ vmov(d1, value); |
| 481 | switch (types) { |
| 482 | case s32_f64: |
| 483 | __ vcvt_s32_f64(s0, d1, kFPSCRRounding); |
| 484 | break; |
| 485 | |
| 486 | case u32_f64: |
| 487 | __ vcvt_u32_f64(s0, d1, kFPSCRRounding); |
| 488 | break; |
| 489 | |
| 490 | default: |
| 491 | UNREACHABLE(); |
| 492 | break; |
| 493 | } |
| 494 | // Check for vfp exceptions |
| 495 | __ vmrs(r2); |
| 496 | __ tst(r2, Operand(kVFPExceptionMask)); |
| 497 | // Check that we behaved as expected. |
| 498 | __ b(&wrong_exception, |
| 499 | expected_exception ? eq : ne); |
| 500 | // There was no exception. Retrieve the result and return. |
| 501 | __ vmov(r0, s0); |
| 502 | __ mov(pc, Operand(lr)); |
| 503 | |
| 504 | // The exception behaviour is not what we expected. |
| 505 | // Load a special value and return. |
| 506 | __ bind(&wrong_exception); |
| 507 | __ mov(r0, Operand(11223344)); |
| 508 | __ mov(pc, Operand(lr)); |
| 509 | |
| 510 | CodeDesc desc; |
| 511 | assm.GetCode(&desc); |
| 512 | Object* code = isolate->heap()->CreateCode( |
| 513 | desc, |
| 514 | Code::ComputeFlags(Code::STUB), |
| 515 | Handle<Code>())->ToObjectChecked(); |
| 516 | CHECK(code->IsCode()); |
| 517 | #ifdef DEBUG |
| 518 | Code::cast(code)->Print(); |
| 519 | #endif |
| 520 | F1 f = FUNCTION_CAST<F1>(Code::cast(code)->entry()); |
| 521 | int res = reinterpret_cast<int>( |
| 522 | CALL_GENERATED_CODE(isolate, f, 0, 0, 0, 0, 0)); |
| 523 | ::printf("res = %d\n", res); |
| 524 | CHECK_EQ(expected, res); |
| 525 | } |
| 526 | } |
| 527 | |
| 528 | |
| 529 | TEST(7) { |
| 530 | // Test vfp rounding modes. |
| 531 | |
| 532 | // s32_f64 (double to integer). |
| 533 | |
| 534 | TestRoundingMode(s32_f64, RN, 0, 0); |
| 535 | TestRoundingMode(s32_f64, RN, 0.5, 0); |
| 536 | TestRoundingMode(s32_f64, RN, -0.5, 0); |
| 537 | TestRoundingMode(s32_f64, RN, 1.5, 2); |
| 538 | TestRoundingMode(s32_f64, RN, -1.5, -2); |
| 539 | TestRoundingMode(s32_f64, RN, 123.7, 124); |
| 540 | TestRoundingMode(s32_f64, RN, -123.7, -124); |
| 541 | TestRoundingMode(s32_f64, RN, 123456.2, 123456); |
| 542 | TestRoundingMode(s32_f64, RN, -123456.2, -123456); |
| 543 | TestRoundingMode(s32_f64, RN, static_cast<double>(kMaxInt), kMaxInt); |
| 544 | TestRoundingMode(s32_f64, RN, (kMaxInt + 0.49), kMaxInt); |
| 545 | TestRoundingMode(s32_f64, RN, (kMaxInt + 1.0), kMaxInt, true); |
| 546 | TestRoundingMode(s32_f64, RN, (kMaxInt + 0.5), kMaxInt, true); |
| 547 | TestRoundingMode(s32_f64, RN, static_cast<double>(kMinInt), kMinInt); |
| 548 | TestRoundingMode(s32_f64, RN, (kMinInt - 0.5), kMinInt); |
| 549 | TestRoundingMode(s32_f64, RN, (kMinInt - 1.0), kMinInt, true); |
| 550 | TestRoundingMode(s32_f64, RN, (kMinInt - 0.51), kMinInt, true); |
| 551 | |
| 552 | TestRoundingMode(s32_f64, RM, 0, 0); |
| 553 | TestRoundingMode(s32_f64, RM, 0.5, 0); |
| 554 | TestRoundingMode(s32_f64, RM, -0.5, -1); |
| 555 | TestRoundingMode(s32_f64, RM, 123.7, 123); |
| 556 | TestRoundingMode(s32_f64, RM, -123.7, -124); |
| 557 | TestRoundingMode(s32_f64, RM, 123456.2, 123456); |
| 558 | TestRoundingMode(s32_f64, RM, -123456.2, -123457); |
| 559 | TestRoundingMode(s32_f64, RM, static_cast<double>(kMaxInt), kMaxInt); |
| 560 | TestRoundingMode(s32_f64, RM, (kMaxInt + 0.5), kMaxInt); |
| 561 | TestRoundingMode(s32_f64, RM, (kMaxInt + 1.0), kMaxInt, true); |
| 562 | TestRoundingMode(s32_f64, RM, static_cast<double>(kMinInt), kMinInt); |
| 563 | TestRoundingMode(s32_f64, RM, (kMinInt - 0.5), kMinInt, true); |
| 564 | TestRoundingMode(s32_f64, RM, (kMinInt + 0.5), kMinInt); |
| 565 | |
| 566 | TestRoundingMode(s32_f64, RZ, 0, 0); |
| 567 | TestRoundingMode(s32_f64, RZ, 0.5, 0); |
| 568 | TestRoundingMode(s32_f64, RZ, -0.5, 0); |
| 569 | TestRoundingMode(s32_f64, RZ, 123.7, 123); |
| 570 | TestRoundingMode(s32_f64, RZ, -123.7, -123); |
| 571 | TestRoundingMode(s32_f64, RZ, 123456.2, 123456); |
| 572 | TestRoundingMode(s32_f64, RZ, -123456.2, -123456); |
| 573 | TestRoundingMode(s32_f64, RZ, static_cast<double>(kMaxInt), kMaxInt); |
| 574 | TestRoundingMode(s32_f64, RZ, (kMaxInt + 0.5), kMaxInt); |
| 575 | TestRoundingMode(s32_f64, RZ, (kMaxInt + 1.0), kMaxInt, true); |
| 576 | TestRoundingMode(s32_f64, RZ, static_cast<double>(kMinInt), kMinInt); |
| 577 | TestRoundingMode(s32_f64, RZ, (kMinInt - 0.5), kMinInt); |
| 578 | TestRoundingMode(s32_f64, RZ, (kMinInt - 1.0), kMinInt, true); |
| 579 | |
| 580 | |
| 581 | // u32_f64 (double to integer). |
| 582 | |
| 583 | // Negative values. |
| 584 | TestRoundingMode(u32_f64, RN, -0.5, 0); |
| 585 | TestRoundingMode(u32_f64, RN, -123456.7, 0, true); |
| 586 | TestRoundingMode(u32_f64, RN, static_cast<double>(kMinInt), 0, true); |
| 587 | TestRoundingMode(u32_f64, RN, kMinInt - 1.0, 0, true); |
| 588 | |
| 589 | TestRoundingMode(u32_f64, RM, -0.5, 0, true); |
| 590 | TestRoundingMode(u32_f64, RM, -123456.7, 0, true); |
| 591 | TestRoundingMode(u32_f64, RM, static_cast<double>(kMinInt), 0, true); |
| 592 | TestRoundingMode(u32_f64, RM, kMinInt - 1.0, 0, true); |
| 593 | |
| 594 | TestRoundingMode(u32_f64, RZ, -0.5, 0); |
| 595 | TestRoundingMode(u32_f64, RZ, -123456.7, 0, true); |
| 596 | TestRoundingMode(u32_f64, RZ, static_cast<double>(kMinInt), 0, true); |
| 597 | TestRoundingMode(u32_f64, RZ, kMinInt - 1.0, 0, true); |
| 598 | |
| 599 | // Positive values. |
| 600 | // kMaxInt is the maximum *signed* integer: 0x7fffffff. |
| 601 | static const uint32_t kMaxUInt = 0xffffffffu; |
| 602 | TestRoundingMode(u32_f64, RZ, 0, 0); |
| 603 | TestRoundingMode(u32_f64, RZ, 0.5, 0); |
| 604 | TestRoundingMode(u32_f64, RZ, 123.7, 123); |
| 605 | TestRoundingMode(u32_f64, RZ, 123456.2, 123456); |
| 606 | TestRoundingMode(u32_f64, RZ, static_cast<double>(kMaxInt), kMaxInt); |
| 607 | TestRoundingMode(u32_f64, RZ, (kMaxInt + 0.5), kMaxInt); |
| 608 | TestRoundingMode(u32_f64, RZ, (kMaxInt + 1.0), |
| 609 | static_cast<uint32_t>(kMaxInt) + 1); |
| 610 | TestRoundingMode(u32_f64, RZ, (kMaxUInt + 0.5), kMaxUInt); |
| 611 | TestRoundingMode(u32_f64, RZ, (kMaxUInt + 1.0), kMaxUInt, true); |
| 612 | |
| 613 | TestRoundingMode(u32_f64, RM, 0, 0); |
| 614 | TestRoundingMode(u32_f64, RM, 0.5, 0); |
| 615 | TestRoundingMode(u32_f64, RM, 123.7, 123); |
| 616 | TestRoundingMode(u32_f64, RM, 123456.2, 123456); |
| 617 | TestRoundingMode(u32_f64, RM, static_cast<double>(kMaxInt), kMaxInt); |
| 618 | TestRoundingMode(u32_f64, RM, (kMaxInt + 0.5), kMaxInt); |
| 619 | TestRoundingMode(u32_f64, RM, (kMaxInt + 1.0), |
| 620 | static_cast<uint32_t>(kMaxInt) + 1); |
| 621 | TestRoundingMode(u32_f64, RM, (kMaxUInt + 0.5), kMaxUInt); |
| 622 | TestRoundingMode(u32_f64, RM, (kMaxUInt + 1.0), kMaxUInt, true); |
| 623 | |
| 624 | TestRoundingMode(u32_f64, RN, 0, 0); |
| 625 | TestRoundingMode(u32_f64, RN, 0.5, 0); |
| 626 | TestRoundingMode(u32_f64, RN, 1.5, 2); |
| 627 | TestRoundingMode(u32_f64, RN, 123.7, 124); |
| 628 | TestRoundingMode(u32_f64, RN, 123456.2, 123456); |
| 629 | TestRoundingMode(u32_f64, RN, static_cast<double>(kMaxInt), kMaxInt); |
| 630 | TestRoundingMode(u32_f64, RN, (kMaxInt + 0.49), kMaxInt); |
| 631 | TestRoundingMode(u32_f64, RN, (kMaxInt + 0.5), |
| 632 | static_cast<uint32_t>(kMaxInt) + 1); |
| 633 | TestRoundingMode(u32_f64, RN, (kMaxUInt + 0.49), kMaxUInt); |
| 634 | TestRoundingMode(u32_f64, RN, (kMaxUInt + 0.5), kMaxUInt, true); |
| 635 | TestRoundingMode(u32_f64, RN, (kMaxUInt + 1.0), kMaxUInt, true); |
| 636 | } |
| 637 | |
| 638 | |
| 639 | TEST(8) { |
| 640 | // Test VFP multi load/store with ia_w. |
| 641 | CcTest::InitializeVM(); |
| 642 | Isolate* isolate = CcTest::i_isolate(); |
| 643 | HandleScope scope(isolate); |
| 644 | |
| 645 | typedef struct { |
| 646 | double a; |
| 647 | double b; |
| 648 | double c; |
| 649 | double d; |
| 650 | double e; |
| 651 | double f; |
| 652 | double g; |
| 653 | double h; |
| 654 | } D; |
| 655 | D d; |
| 656 | |
| 657 | typedef struct { |
| 658 | float a; |
| 659 | float b; |
| 660 | float c; |
| 661 | float d; |
| 662 | float e; |
| 663 | float f; |
| 664 | float g; |
| 665 | float h; |
| 666 | } F; |
| 667 | F f; |
| 668 | |
| 669 | // Create a function that uses vldm/vstm to move some double and |
| 670 | // single precision values around in memory. |
| 671 | Assembler assm(isolate, NULL, 0); |
| 672 | |
| 673 | if (CpuFeatures::IsSupported(VFP2)) { |
| 674 | CpuFeatures::Scope scope(VFP2); |
| 675 | |
| 676 | __ mov(ip, Operand(sp)); |
| 677 | __ stm(db_w, sp, r4.bit() | fp.bit() | lr.bit()); |
| 678 | __ sub(fp, ip, Operand(4)); |
| 679 | |
| 680 | __ addi(r4, r0, Operand(offsetof(D, a))); |
| 681 | __ vldm(ia_w, r4, d0, d3); |
| 682 | __ vldm(ia_w, r4, d4, d7); |
| 683 | |
| 684 | __ addi(r4, r0, Operand(offsetof(D, a))); |
| 685 | __ vstm(ia_w, r4, d6, d7); |
| 686 | __ vstm(ia_w, r4, d0, d5); |
| 687 | |
| 688 | __ addi(r4, r1, Operand(offsetof(F, a))); |
| 689 | __ vldm(ia_w, r4, s0, s3); |
| 690 | __ vldm(ia_w, r4, s4, s7); |
| 691 | |
| 692 | __ addi(r4, r1, Operand(offsetof(F, a))); |
| 693 | __ vstm(ia_w, r4, s6, s7); |
| 694 | __ vstm(ia_w, r4, s0, s5); |
| 695 | |
| 696 | __ ldm(ia_w, sp, r4.bit() | fp.bit() | pc.bit()); |
| 697 | |
| 698 | CodeDesc desc; |
| 699 | assm.GetCode(&desc); |
| 700 | Object* code = isolate->heap()->CreateCode( |
| 701 | desc, |
| 702 | Code::ComputeFlags(Code::STUB), |
| 703 | Handle<Code>())->ToObjectChecked(); |
| 704 | CHECK(code->IsCode()); |
| 705 | #ifdef DEBUG |
| 706 | Code::cast(code)->Print(); |
| 707 | #endif |
| 708 | F4 fn = FUNCTION_CAST<F4>(Code::cast(code)->entry()); |
| 709 | d.a = 1.1; |
| 710 | d.b = 2.2; |
| 711 | d.c = 3.3; |
| 712 | d.d = 4.4; |
| 713 | d.e = 5.5; |
| 714 | d.f = 6.6; |
| 715 | d.g = 7.7; |
| 716 | d.h = 8.8; |
| 717 | |
| 718 | f.a = 1.0; |
| 719 | f.b = 2.0; |
| 720 | f.c = 3.0; |
| 721 | f.d = 4.0; |
| 722 | f.e = 5.0; |
| 723 | f.f = 6.0; |
| 724 | f.g = 7.0; |
| 725 | f.h = 8.0; |
| 726 | |
| 727 | Object* dummy = CALL_GENERATED_CODE(isolate, fn, &d, &f, 0, 0, 0); |
| 728 | USE(dummy); |
| 729 | |
| 730 | CHECK_EQ(7.7, d.a); |
| 731 | CHECK_EQ(8.8, d.b); |
| 732 | CHECK_EQ(1.1, d.c); |
| 733 | CHECK_EQ(2.2, d.d); |
| 734 | CHECK_EQ(3.3, d.e); |
| 735 | CHECK_EQ(4.4, d.f); |
| 736 | CHECK_EQ(5.5, d.g); |
| 737 | CHECK_EQ(6.6, d.h); |
| 738 | |
| 739 | CHECK_EQ(7.0, f.a); |
| 740 | CHECK_EQ(8.0, f.b); |
| 741 | CHECK_EQ(1.0, f.c); |
| 742 | CHECK_EQ(2.0, f.d); |
| 743 | CHECK_EQ(3.0, f.e); |
| 744 | CHECK_EQ(4.0, f.f); |
| 745 | CHECK_EQ(5.0, f.g); |
| 746 | CHECK_EQ(6.0, f.h); |
| 747 | } |
| 748 | } |
| 749 | |
| 750 | |
| 751 | TEST(9) { |
| 752 | // Test VFP multi load/store with ia. |
| 753 | CcTest::InitializeVM(); |
| 754 | Isolate* isolate = CcTest::i_isolate(); |
| 755 | HandleScope scope(isolate); |
| 756 | |
| 757 | typedef struct { |
| 758 | double a; |
| 759 | double b; |
| 760 | double c; |
| 761 | double d; |
| 762 | double e; |
| 763 | double f; |
| 764 | double g; |
| 765 | double h; |
| 766 | } D; |
| 767 | D d; |
| 768 | |
| 769 | typedef struct { |
| 770 | float a; |
| 771 | float b; |
| 772 | float c; |
| 773 | float d; |
| 774 | float e; |
| 775 | float f; |
| 776 | float g; |
| 777 | float h; |
| 778 | } F; |
| 779 | F f; |
| 780 | |
| 781 | // Create a function that uses vldm/vstm to move some double and |
| 782 | // single precision values around in memory. |
| 783 | Assembler assm(isolate, NULL, 0); |
| 784 | |
| 785 | if (CpuFeatures::IsSupported(VFP2)) { |
| 786 | CpuFeatures::Scope scope(VFP2); |
| 787 | |
| 788 | __ mov(ip, Operand(sp)); |
| 789 | __ stm(db_w, sp, r4.bit() | fp.bit() | lr.bit()); |
| 790 | __ sub(fp, ip, Operand(4)); |
| 791 | |
| 792 | __ addi(r4, r0, Operand(offsetof(D, a))); |
| 793 | __ vldm(ia, r4, d0, d3); |
| 794 | __ addi(r4, r4, Operand(4 * 8)); |
| 795 | __ vldm(ia, r4, d4, d7); |
| 796 | |
| 797 | __ addi(r4, r0, Operand(offsetof(D, a))); |
| 798 | __ vstm(ia, r4, d6, d7); |
| 799 | __ addi(r4, r4, Operand(2 * 8)); |
| 800 | __ vstm(ia, r4, d0, d5); |
| 801 | |
| 802 | __ addi(r4, r1, Operand(offsetof(F, a))); |
| 803 | __ vldm(ia, r4, s0, s3); |
| 804 | __ addi(r4, r4, Operand(4 * 4)); |
| 805 | __ vldm(ia, r4, s4, s7); |
| 806 | |
| 807 | __ addi(r4, r1, Operand(offsetof(F, a))); |
| 808 | __ vstm(ia, r4, s6, s7); |
| 809 | __ addi(r4, r4, Operand(2 * 4)); |
| 810 | __ vstm(ia, r4, s0, s5); |
| 811 | |
| 812 | __ ldm(ia_w, sp, r4.bit() | fp.bit() | pc.bit()); |
| 813 | |
| 814 | CodeDesc desc; |
| 815 | assm.GetCode(&desc); |
| 816 | Object* code = isolate->heap()->CreateCode( |
| 817 | desc, |
| 818 | Code::ComputeFlags(Code::STUB), |
| 819 | Handle<Code>())->ToObjectChecked(); |
| 820 | CHECK(code->IsCode()); |
| 821 | #ifdef DEBUG |
| 822 | Code::cast(code)->Print(); |
| 823 | #endif |
| 824 | F4 fn = FUNCTION_CAST<F4>(Code::cast(code)->entry()); |
| 825 | d.a = 1.1; |
| 826 | d.b = 2.2; |
| 827 | d.c = 3.3; |
| 828 | d.d = 4.4; |
| 829 | d.e = 5.5; |
| 830 | d.f = 6.6; |
| 831 | d.g = 7.7; |
| 832 | d.h = 8.8; |
| 833 | |
| 834 | f.a = 1.0; |
| 835 | f.b = 2.0; |
| 836 | f.c = 3.0; |
| 837 | f.d = 4.0; |
| 838 | f.e = 5.0; |
| 839 | f.f = 6.0; |
| 840 | f.g = 7.0; |
| 841 | f.h = 8.0; |
| 842 | |
| 843 | Object* dummy = CALL_GENERATED_CODE(isolate, fn, &d, &f, 0, 0, 0); |
| 844 | USE(dummy); |
| 845 | |
| 846 | CHECK_EQ(7.7, d.a); |
| 847 | CHECK_EQ(8.8, d.b); |
| 848 | CHECK_EQ(1.1, d.c); |
| 849 | CHECK_EQ(2.2, d.d); |
| 850 | CHECK_EQ(3.3, d.e); |
| 851 | CHECK_EQ(4.4, d.f); |
| 852 | CHECK_EQ(5.5, d.g); |
| 853 | CHECK_EQ(6.6, d.h); |
| 854 | |
| 855 | CHECK_EQ(7.0, f.a); |
| 856 | CHECK_EQ(8.0, f.b); |
| 857 | CHECK_EQ(1.0, f.c); |
| 858 | CHECK_EQ(2.0, f.d); |
| 859 | CHECK_EQ(3.0, f.e); |
| 860 | CHECK_EQ(4.0, f.f); |
| 861 | CHECK_EQ(5.0, f.g); |
| 862 | CHECK_EQ(6.0, f.h); |
| 863 | } |
| 864 | } |
| 865 | |
| 866 | |
| 867 | TEST(10) { |
| 868 | // Test VFP multi load/store with db_w. |
| 869 | CcTest::InitializeVM(); |
| 870 | Isolate* isolate = CcTest::i_isolate(); |
| 871 | HandleScope scope(isolate); |
| 872 | |
| 873 | typedef struct { |
| 874 | double a; |
| 875 | double b; |
| 876 | double c; |
| 877 | double d; |
| 878 | double e; |
| 879 | double f; |
| 880 | double g; |
| 881 | double h; |
| 882 | } D; |
| 883 | D d; |
| 884 | |
| 885 | typedef struct { |
| 886 | float a; |
| 887 | float b; |
| 888 | float c; |
| 889 | float d; |
| 890 | float e; |
| 891 | float f; |
| 892 | float g; |
| 893 | float h; |
| 894 | } F; |
| 895 | F f; |
| 896 | |
| 897 | // Create a function that uses vldm/vstm to move some double and |
| 898 | // single precision values around in memory. |
| 899 | Assembler assm(isolate, NULL, 0); |
| 900 | |
| 901 | if (CpuFeatures::IsSupported(VFP2)) { |
| 902 | CpuFeatures::Scope scope(VFP2); |
| 903 | |
| 904 | __ mov(ip, Operand(sp)); |
| 905 | __ stm(db_w, sp, r4.bit() | fp.bit() | lr.bit()); |
| 906 | __ sub(fp, ip, Operand(4)); |
| 907 | |
| 908 | __ addi(r4, r0, Operand(offsetof(D, h) + 8)); |
| 909 | __ vldm(db_w, r4, d4, d7); |
| 910 | __ vldm(db_w, r4, d0, d3); |
| 911 | |
| 912 | __ addi(r4, r0, Operand(offsetof(D, h) + 8)); |
| 913 | __ vstm(db_w, r4, d0, d5); |
| 914 | __ vstm(db_w, r4, d6, d7); |
| 915 | |
| 916 | __ addi(r4, r1, Operand(offsetof(F, h) + 4)); |
| 917 | __ vldm(db_w, r4, s4, s7); |
| 918 | __ vldm(db_w, r4, s0, s3); |
| 919 | |
| 920 | __ addi(r4, r1, Operand(offsetof(F, h) + 4)); |
| 921 | __ vstm(db_w, r4, s0, s5); |
| 922 | __ vstm(db_w, r4, s6, s7); |
| 923 | |
| 924 | __ ldm(ia_w, sp, r4.bit() | fp.bit() | pc.bit()); |
| 925 | |
| 926 | CodeDesc desc; |
| 927 | assm.GetCode(&desc); |
| 928 | Object* code = isolate->heap()->CreateCode( |
| 929 | desc, |
| 930 | Code::ComputeFlags(Code::STUB), |
| 931 | Handle<Code>())->ToObjectChecked(); |
| 932 | CHECK(code->IsCode()); |
| 933 | #ifdef DEBUG |
| 934 | Code::cast(code)->Print(); |
| 935 | #endif |
| 936 | F4 fn = FUNCTION_CAST<F4>(Code::cast(code)->entry()); |
| 937 | d.a = 1.1; |
| 938 | d.b = 2.2; |
| 939 | d.c = 3.3; |
| 940 | d.d = 4.4; |
| 941 | d.e = 5.5; |
| 942 | d.f = 6.6; |
| 943 | d.g = 7.7; |
| 944 | d.h = 8.8; |
| 945 | |
| 946 | f.a = 1.0; |
| 947 | f.b = 2.0; |
| 948 | f.c = 3.0; |
| 949 | f.d = 4.0; |
| 950 | f.e = 5.0; |
| 951 | f.f = 6.0; |
| 952 | f.g = 7.0; |
| 953 | f.h = 8.0; |
| 954 | |
| 955 | Object* dummy = CALL_GENERATED_CODE(isolate, fn, &d, &f, 0, 0, 0); |
| 956 | USE(dummy); |
| 957 | |
| 958 | CHECK_EQ(7.7, d.a); |
| 959 | CHECK_EQ(8.8, d.b); |
| 960 | CHECK_EQ(1.1, d.c); |
| 961 | CHECK_EQ(2.2, d.d); |
| 962 | CHECK_EQ(3.3, d.e); |
| 963 | CHECK_EQ(4.4, d.f); |
| 964 | CHECK_EQ(5.5, d.g); |
| 965 | CHECK_EQ(6.6, d.h); |
| 966 | |
| 967 | CHECK_EQ(7.0, f.a); |
| 968 | CHECK_EQ(8.0, f.b); |
| 969 | CHECK_EQ(1.0, f.c); |
| 970 | CHECK_EQ(2.0, f.d); |
| 971 | CHECK_EQ(3.0, f.e); |
| 972 | CHECK_EQ(4.0, f.f); |
| 973 | CHECK_EQ(5.0, f.g); |
| 974 | CHECK_EQ(6.0, f.h); |
| 975 | } |
| 976 | } |
| 977 | |
| 978 | |
| 979 | TEST(11) { |
| 980 | // Test instructions using the carry flag. |
| 981 | CcTest::InitializeVM(); |
| 982 | Isolate* isolate = CcTest::i_isolate(); |
| 983 | HandleScope scope(isolate); |
| 984 | |
| 985 | typedef struct { |
| 986 | int32_t a; |
| 987 | int32_t b; |
| 988 | int32_t c; |
| 989 | int32_t d; |
| 990 | } I; |
| 991 | I i; |
| 992 | |
| 993 | i.a = 0xabcd0001; |
| 994 | i.b = 0xabcd0000; |
| 995 | |
| 996 | Assembler assm(isolate, NULL, 0); |
| 997 | |
| 998 | // Test HeapObject untagging. |
| 999 | __ ldr(r1, MemOperand(r0, offsetof(I, a))); |
| 1000 | __ mov(r1, Operand(r1, ASR, 1), SetCC); |
| 1001 | __ adc(r1, r1, Operand(r1), LeaveCC, cs); |
| 1002 | __ str(r1, MemOperand(r0, offsetof(I, a))); |
| 1003 | |
| 1004 | __ ldr(r2, MemOperand(r0, offsetof(I, b))); |
| 1005 | __ mov(r2, Operand(r2, ASR, 1), SetCC); |
| 1006 | __ adc(r2, r2, Operand(r2), LeaveCC, cs); |
| 1007 | __ str(r2, MemOperand(r0, offsetof(I, b))); |
| 1008 | |
| 1009 | // Test corner cases. |
| 1010 | __ mov(r1, Operand(0xffffffff)); |
| 1011 | __ mov(r2, Operand::Zero()); |
| 1012 | __ mov(r3, Operand(r1, ASR, 1), SetCC); // Set the carry. |
| 1013 | __ adc(r3, r1, Operand(r2)); |
| 1014 | __ str(r3, MemOperand(r0, offsetof(I, c))); |
| 1015 | |
| 1016 | __ mov(r1, Operand(0xffffffff)); |
| 1017 | __ mov(r2, Operand::Zero()); |
| 1018 | __ mov(r3, Operand(r2, ASR, 1), SetCC); // Unset the carry. |
| 1019 | __ adc(r3, r1, Operand(r2)); |
| 1020 | __ str(r3, MemOperand(r0, offsetof(I, d))); |
| 1021 | |
| 1022 | __ mov(pc, Operand(lr)); |
| 1023 | |
| 1024 | CodeDesc desc; |
| 1025 | assm.GetCode(&desc); |
| 1026 | Object* code = isolate->heap()->CreateCode( |
| 1027 | desc, |
| 1028 | Code::ComputeFlags(Code::STUB), |
| 1029 | Handle<Code>())->ToObjectChecked(); |
| 1030 | CHECK(code->IsCode()); |
| 1031 | #ifdef DEBUG |
| 1032 | Code::cast(code)->Print(); |
| 1033 | #endif |
| 1034 | F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
| 1035 | Object* dummy = CALL_GENERATED_CODE(isolate, f, &i, 0, 0, 0, 0); |
| 1036 | USE(dummy); |
| 1037 | |
| 1038 | CHECK_EQ(0xabcd0001, i.a); |
| 1039 | CHECK_EQ(static_cast<int32_t>(0xabcd0000) >> 1, i.b); |
| 1040 | CHECK_EQ(0x00000000, i.c); |
| 1041 | CHECK_EQ(0xffffffff, i.d); |
| 1042 | } |
| 1043 | |
| 1044 | |
| 1045 | TEST(12) { |
| 1046 | // Test chaining of label usages within instructions (issue 1644). |
| 1047 | CcTest::InitializeVM(); |
| 1048 | Isolate* isolate = CcTest::i_isolate(); |
| 1049 | HandleScope scope(isolate); |
| 1050 | |
| 1051 | Assembler assm(isolate, NULL, 0); |
| 1052 | Label target; |
| 1053 | __ b(eq, &target); |
| 1054 | __ b(ne, &target); |
| 1055 | __ bind(&target); |
| 1056 | __ nop(); |
| 1057 | } |
| 1058 | #endif |
| 1059 | |
| 1060 | #undef __ |