assembler_x86_64_test.cc revision 102cbed1e52b7c5f09458b44903fe97bb3e14d5f
1/* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#include "assembler_x86_64.h" 18 19#include "base/stl_util.h" 20#include "utils/assembler_test.h" 21 22namespace art { 23 24TEST(AssemblerX86_64, CreateBuffer) { 25 AssemblerBuffer buffer; 26 AssemblerBuffer::EnsureCapacity ensured(&buffer); 27 buffer.Emit<uint8_t>(0x42); 28 ASSERT_EQ(static_cast<size_t>(1), buffer.Size()); 29 buffer.Emit<int32_t>(42); 30 ASSERT_EQ(static_cast<size_t>(5), buffer.Size()); 31} 32 33class AssemblerX86_64Test : public AssemblerTest<x86_64::X86_64Assembler, x86_64::CpuRegister, 34 x86_64::Immediate> { 35 protected: 36 // Get the typically used name for this architecture, e.g., aarch64, x86-64, ... 37 std::string GetArchitectureString() OVERRIDE { 38 return "x86_64"; 39 } 40 41 std::string GetDisassembleParameters() OVERRIDE { 42 return " -D -bbinary -mi386:x86-64 -Mx86-64,addr64,data32 --no-show-raw-insn"; 43 } 44 45 void SetUpHelpers() OVERRIDE { 46 if (registers_.size() == 0) { 47 registers_.push_back(new x86_64::CpuRegister(x86_64::RAX)); 48 registers_.push_back(new x86_64::CpuRegister(x86_64::RBX)); 49 registers_.push_back(new x86_64::CpuRegister(x86_64::RCX)); 50 registers_.push_back(new x86_64::CpuRegister(x86_64::RDX)); 51 registers_.push_back(new x86_64::CpuRegister(x86_64::RBP)); 52 registers_.push_back(new x86_64::CpuRegister(x86_64::RSP)); 53 registers_.push_back(new x86_64::CpuRegister(x86_64::RSI)); 54 registers_.push_back(new x86_64::CpuRegister(x86_64::RDI)); 55 registers_.push_back(new x86_64::CpuRegister(x86_64::R8)); 56 registers_.push_back(new x86_64::CpuRegister(x86_64::R9)); 57 registers_.push_back(new x86_64::CpuRegister(x86_64::R10)); 58 registers_.push_back(new x86_64::CpuRegister(x86_64::R11)); 59 registers_.push_back(new x86_64::CpuRegister(x86_64::R12)); 60 registers_.push_back(new x86_64::CpuRegister(x86_64::R13)); 61 registers_.push_back(new x86_64::CpuRegister(x86_64::R14)); 62 registers_.push_back(new x86_64::CpuRegister(x86_64::R15)); 63 } 64 } 65 66 void TearDown() OVERRIDE { 67 AssemblerTest::TearDown(); 68 STLDeleteElements(®isters_); 69 } 70 71 std::vector<x86_64::CpuRegister*> GetRegisters() OVERRIDE { 72 return registers_; 73 } 74 75 x86_64::Immediate* CreateImmediate(int64_t imm_value) OVERRIDE { 76 return new x86_64::Immediate(imm_value); 77 } 78 79 private: 80 std::vector<x86_64::CpuRegister*> registers_; 81}; 82 83 84TEST_F(AssemblerX86_64Test, Toolchain) { 85 EXPECT_TRUE(CheckTools()); 86} 87 88 89TEST_F(AssemblerX86_64Test, PushqRegs) { 90 DriverStr(RepeatR(&x86_64::X86_64Assembler::pushq, "pushq %{reg}"), "pushq"); 91} 92 93TEST_F(AssemblerX86_64Test, PushqImm) { 94 DriverStr(RepeatI(&x86_64::X86_64Assembler::pushq, 4U, "pushq ${imm}"), "pushqi"); 95} 96 97 98TEST_F(AssemblerX86_64Test, MovqRegs) { 99 DriverStr(RepeatRR(&x86_64::X86_64Assembler::movq, "movq %{reg2}, %{reg1}"), "movq"); 100} 101 102TEST_F(AssemblerX86_64Test, MovqImm) { 103 DriverStr(RepeatRI(&x86_64::X86_64Assembler::movq, 8U, "movq ${imm}, %{reg}"), "movqi"); 104} 105 106 107TEST_F(AssemblerX86_64Test, AddqRegs) { 108 DriverStr(RepeatRR(&x86_64::X86_64Assembler::addq, "addq %{reg2}, %{reg1}"), "addq"); 109} 110 111TEST_F(AssemblerX86_64Test, AddqImm) { 112 DriverStr(RepeatRI(&x86_64::X86_64Assembler::addq, 4U, "addq ${imm}, %{reg}"), "addqi"); 113} 114 115TEST_F(AssemblerX86_64Test, ImulqRegs) { 116 DriverStr(RepeatRR(&x86_64::X86_64Assembler::imulq, "imulq %{reg2}, %{reg1}"), "imulq"); 117} 118 119TEST_F(AssemblerX86_64Test, SubqRegs) { 120 DriverStr(RepeatRR(&x86_64::X86_64Assembler::subq, "subq %{reg2}, %{reg1}"), "subq"); 121} 122 123TEST_F(AssemblerX86_64Test, SubqImm) { 124 DriverStr(RepeatRI(&x86_64::X86_64Assembler::subq, 4U, "subq ${imm}, %{reg}"), "subqi"); 125} 126 127 128TEST_F(AssemblerX86_64Test, CmpqRegs) { 129 DriverStr(RepeatRR(&x86_64::X86_64Assembler::cmpq, "cmpq %{reg2}, %{reg1}"), "cmpq"); 130} 131 132 133TEST_F(AssemblerX86_64Test, XorqImm) { 134 DriverStr(RepeatRI(&x86_64::X86_64Assembler::xorq, 4U, "xorq ${imm}, %{reg}"), "xorqi"); 135} 136 137TEST_F(AssemblerX86_64Test, Movaps) { 138 GetAssembler()->movaps(x86_64::XmmRegister(x86_64::XMM0), x86_64::XmmRegister(x86_64::XMM8)); 139 DriverStr("movaps %xmm8, %xmm0", "movaps"); 140} 141 142TEST_F(AssemblerX86_64Test, Movd) { 143 GetAssembler()->movd(x86_64::XmmRegister(x86_64::XMM0), x86_64::CpuRegister(x86_64::R11)); 144 GetAssembler()->movd(x86_64::XmmRegister(x86_64::XMM0), x86_64::CpuRegister(x86_64::RAX)); 145 GetAssembler()->movd(x86_64::XmmRegister(x86_64::XMM8), x86_64::CpuRegister(x86_64::R11)); 146 GetAssembler()->movd(x86_64::XmmRegister(x86_64::XMM8), x86_64::CpuRegister(x86_64::RAX)); 147 GetAssembler()->movd(x86_64::CpuRegister(x86_64::R11), x86_64::XmmRegister(x86_64::XMM0)); 148 GetAssembler()->movd(x86_64::CpuRegister(x86_64::RAX), x86_64::XmmRegister(x86_64::XMM0)); 149 GetAssembler()->movd(x86_64::CpuRegister(x86_64::R11), x86_64::XmmRegister(x86_64::XMM8)); 150 GetAssembler()->movd(x86_64::CpuRegister(x86_64::RAX), x86_64::XmmRegister(x86_64::XMM8)); 151 const char* expected = 152 "movd %r11, %xmm0\n" 153 "movd %rax, %xmm0\n" 154 "movd %r11, %xmm8\n" 155 "movd %rax, %xmm8\n" 156 "movd %xmm0, %r11\n" 157 "movd %xmm0, %rax\n" 158 "movd %xmm8, %r11\n" 159 "movd %xmm8, %rax\n"; 160 DriverStr(expected, "movd"); 161} 162 163TEST_F(AssemblerX86_64Test, Movl) { 164 GetAssembler()->movl(x86_64::CpuRegister(x86_64::R8), x86_64::CpuRegister(x86_64::R11)); 165 GetAssembler()->movl(x86_64::CpuRegister(x86_64::RAX), x86_64::CpuRegister(x86_64::R11)); 166 GetAssembler()->movl(x86_64::CpuRegister(x86_64::RAX), x86_64::Address( 167 x86_64::CpuRegister(x86_64::RDI), x86_64::CpuRegister(x86_64::RBX), x86_64::TIMES_4, 12)); 168 GetAssembler()->movl(x86_64::CpuRegister(x86_64::RAX), x86_64::Address( 169 x86_64::CpuRegister(x86_64::RDI), x86_64::CpuRegister(x86_64::R9), x86_64::TIMES_4, 12)); 170 GetAssembler()->movl(x86_64::CpuRegister(x86_64::R8), x86_64::Address( 171 x86_64::CpuRegister(x86_64::RDI), x86_64::CpuRegister(x86_64::R9), x86_64::TIMES_4, 12)); 172 const char* expected = 173 "movl %R11d, %R8d\n" 174 "movl %R11d, %EAX\n" 175 "movl 0xc(%RDI,%RBX,4), %EAX\n" 176 "movl 0xc(%RDI,%R9,4), %EAX\n" 177 "movl 0xc(%RDI,%R9,4), %R8d\n"; 178 179 DriverStr(expected, "movl"); 180} 181 182TEST_F(AssemblerX86_64Test, Movw) { 183 GetAssembler()->movw(x86_64::Address(x86_64::CpuRegister(x86_64::RAX), 0), 184 x86_64::CpuRegister(x86_64::R9)); 185 const char* expected = "movw %R9w, 0(%RAX)\n"; 186 DriverStr(expected, "movw"); 187} 188 189 190std::string setcc_test_fn(x86_64::X86_64Assembler* assembler) { 191 // From Condition 192 /* 193 kOverflow = 0, 194 kNoOverflow = 1, 195 kBelow = 2, 196 kAboveEqual = 3, 197 kEqual = 4, 198 kNotEqual = 5, 199 kBelowEqual = 6, 200 kAbove = 7, 201 kSign = 8, 202 kNotSign = 9, 203 kParityEven = 10, 204 kParityOdd = 11, 205 kLess = 12, 206 kGreaterEqual = 13, 207 kLessEqual = 14, 208 */ 209 std::string suffixes[15] = { "o", "no", "b", "ae", "e", "ne", "be", "a", "s", "ns", "pe", "po", 210 "l", "ge", "le" }; 211 212 std::vector<x86_64::CpuRegister*> registers; 213 registers.push_back(new x86_64::CpuRegister(x86_64::RAX)); 214 registers.push_back(new x86_64::CpuRegister(x86_64::RBX)); 215 registers.push_back(new x86_64::CpuRegister(x86_64::RCX)); 216 registers.push_back(new x86_64::CpuRegister(x86_64::RDX)); 217 registers.push_back(new x86_64::CpuRegister(x86_64::RBP)); 218 registers.push_back(new x86_64::CpuRegister(x86_64::RSP)); 219 registers.push_back(new x86_64::CpuRegister(x86_64::RSI)); 220 registers.push_back(new x86_64::CpuRegister(x86_64::RDI)); 221 registers.push_back(new x86_64::CpuRegister(x86_64::R8)); 222 registers.push_back(new x86_64::CpuRegister(x86_64::R9)); 223 registers.push_back(new x86_64::CpuRegister(x86_64::R10)); 224 registers.push_back(new x86_64::CpuRegister(x86_64::R11)); 225 registers.push_back(new x86_64::CpuRegister(x86_64::R12)); 226 registers.push_back(new x86_64::CpuRegister(x86_64::R13)); 227 registers.push_back(new x86_64::CpuRegister(x86_64::R14)); 228 registers.push_back(new x86_64::CpuRegister(x86_64::R15)); 229 230 std::string byte_regs[16]; 231 byte_regs[x86_64::RAX] = "al"; 232 byte_regs[x86_64::RBX] = "bl"; 233 byte_regs[x86_64::RCX] = "cl"; 234 byte_regs[x86_64::RDX] = "dl"; 235 byte_regs[x86_64::RBP] = "bpl"; 236 byte_regs[x86_64::RSP] = "spl"; 237 byte_regs[x86_64::RSI] = "sil"; 238 byte_regs[x86_64::RDI] = "dil"; 239 byte_regs[x86_64::R8] = "r8b"; 240 byte_regs[x86_64::R9] = "r9b"; 241 byte_regs[x86_64::R10] = "r10b"; 242 byte_regs[x86_64::R11] = "r11b"; 243 byte_regs[x86_64::R12] = "r12b"; 244 byte_regs[x86_64::R13] = "r13b"; 245 byte_regs[x86_64::R14] = "r14b"; 246 byte_regs[x86_64::R15] = "r15b"; 247 248 std::ostringstream str; 249 250 for (auto reg : registers) { 251 for (size_t i = 0; i < 15; ++i) { 252 assembler->setcc(static_cast<x86_64::Condition>(i), *reg); 253 str << "set" << suffixes[i] << " %" << byte_regs[reg->AsRegister()] << "\n"; 254 } 255 } 256 257 STLDeleteElements(®isters); 258 return str.str(); 259} 260 261TEST_F(AssemblerX86_64Test, SetCC) { 262 DriverFn(&setcc_test_fn, "setcc"); 263} 264 265static x86_64::X86_64ManagedRegister ManagedFromCpu(x86_64::Register r) { 266 return x86_64::X86_64ManagedRegister::FromCpuRegister(r); 267} 268 269static x86_64::X86_64ManagedRegister ManagedFromFpu(x86_64::FloatRegister r) { 270 return x86_64::X86_64ManagedRegister::FromXmmRegister(r); 271} 272 273std::string buildframe_test_fn(x86_64::X86_64Assembler* assembler) { 274 // TODO: more interesting spill registers / entry spills. 275 276 // Two random spill regs. 277 std::vector<ManagedRegister> spill_regs; 278 spill_regs.push_back(ManagedFromCpu(x86_64::R10)); 279 spill_regs.push_back(ManagedFromCpu(x86_64::RSI)); 280 281 // Three random entry spills. 282 ManagedRegisterEntrySpills entry_spills; 283 ManagedRegisterSpill spill(ManagedFromCpu(x86_64::RAX), 8, 0); 284 entry_spills.push_back(spill); 285 ManagedRegisterSpill spill2(ManagedFromCpu(x86_64::RBX), 8, 8); 286 entry_spills.push_back(spill2); 287 ManagedRegisterSpill spill3(ManagedFromFpu(x86_64::XMM1), 8, 16); 288 entry_spills.push_back(spill3); 289 290 x86_64::X86_64ManagedRegister method_reg = ManagedFromCpu(x86_64::RDI); 291 292 size_t frame_size = 10 * kStackAlignment; 293 assembler->BuildFrame(10 * kStackAlignment, method_reg, spill_regs, entry_spills); 294 295 // Construct assembly text counterpart. 296 std::ostringstream str; 297 // 1) Push the spill_regs. 298 str << "pushq %rsi\n"; 299 str << "pushq %r10\n"; 300 // 2) Move down the stack pointer. 301 ssize_t displacement = static_cast<ssize_t>(frame_size) - (spill_regs.size() * 8 + 8); 302 str << "subq $" << displacement << ", %rsp\n"; 303 // 3) Store method reference. 304 str << "movl %edi, (%rsp)\n"; 305 // 4) Entry spills. 306 str << "movq %rax, " << frame_size + 0 << "(%rsp)\n"; 307 str << "movq %rbx, " << frame_size + 8 << "(%rsp)\n"; 308 str << "movsd %xmm1, " << frame_size + 16 << "(%rsp)\n"; 309 310 return str.str(); 311} 312 313TEST_F(AssemblerX86_64Test, BuildFrame) { 314 DriverFn(&buildframe_test_fn, "BuildFrame"); 315} 316 317std::string removeframe_test_fn(x86_64::X86_64Assembler* assembler) { 318 // TODO: more interesting spill registers / entry spills. 319 320 // Two random spill regs. 321 std::vector<ManagedRegister> spill_regs; 322 spill_regs.push_back(ManagedFromCpu(x86_64::R10)); 323 spill_regs.push_back(ManagedFromCpu(x86_64::RSI)); 324 325 size_t frame_size = 10 * kStackAlignment; 326 assembler->RemoveFrame(10 * kStackAlignment, spill_regs); 327 328 // Construct assembly text counterpart. 329 std::ostringstream str; 330 // 1) Move up the stack pointer. 331 ssize_t displacement = static_cast<ssize_t>(frame_size) - spill_regs.size() * 8 - 8; 332 str << "addq $" << displacement << ", %rsp\n"; 333 // 2) Pop spill regs. 334 str << "popq %r10\n"; 335 str << "popq %rsi\n"; 336 str << "ret\n"; 337 338 return str.str(); 339} 340 341TEST_F(AssemblerX86_64Test, RemoveFrame) { 342 DriverFn(&removeframe_test_fn, "RemoveFrame"); 343} 344 345std::string increaseframe_test_fn(x86_64::X86_64Assembler* assembler) { 346 assembler->IncreaseFrameSize(0U); 347 assembler->IncreaseFrameSize(kStackAlignment); 348 assembler->IncreaseFrameSize(10 * kStackAlignment); 349 350 // Construct assembly text counterpart. 351 std::ostringstream str; 352 str << "addq $0, %rsp\n"; 353 str << "addq $-" << kStackAlignment << ", %rsp\n"; 354 str << "addq $-" << 10 * kStackAlignment << ", %rsp\n"; 355 356 return str.str(); 357} 358 359TEST_F(AssemblerX86_64Test, IncreaseFrame) { 360 DriverFn(&increaseframe_test_fn, "IncreaseFrame"); 361} 362 363std::string decreaseframe_test_fn(x86_64::X86_64Assembler* assembler) { 364 assembler->DecreaseFrameSize(0U); 365 assembler->DecreaseFrameSize(kStackAlignment); 366 assembler->DecreaseFrameSize(10 * kStackAlignment); 367 368 // Construct assembly text counterpart. 369 std::ostringstream str; 370 str << "addq $0, %rsp\n"; 371 str << "addq $" << kStackAlignment << ", %rsp\n"; 372 str << "addq $" << 10 * kStackAlignment << ", %rsp\n"; 373 374 return str.str(); 375} 376 377TEST_F(AssemblerX86_64Test, DecreaseFrame) { 378 DriverFn(&decreaseframe_test_fn, "DecreaseFrame"); 379} 380 381} // namespace art 382