Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include <vector> |
| 6 | |
| 7 | #include "src/v8.h" |
| 8 | |
| 9 | #include "src/interpreter/bytecodes.h" |
| 10 | #include "test/unittests/test-utils.h" |
| 11 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 12 | namespace v8 { |
| 13 | namespace internal { |
| 14 | namespace interpreter { |
| 15 | |
| 16 | TEST(OperandConversion, Registers) { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 17 | int register_count = Register::MaxRegisterIndex() + 1; |
| 18 | int step = register_count / 7; |
| 19 | for (int i = 0; i < register_count; i += step) { |
| 20 | if (i <= kMaxInt8) { |
| 21 | uint8_t operand0 = Register(i).ToOperand(); |
| 22 | Register reg0 = Register::FromOperand(operand0); |
| 23 | CHECK_EQ(i, reg0.index()); |
| 24 | } |
| 25 | |
| 26 | uint16_t operand1 = Register(i).ToWideOperand(); |
| 27 | Register reg1 = Register::FromWideOperand(operand1); |
| 28 | CHECK_EQ(i, reg1.index()); |
| 29 | |
| 30 | uint32_t operand2 = Register(i).ToRawOperand(); |
| 31 | Register reg2 = Register::FromRawOperand(operand2); |
| 32 | CHECK_EQ(i, reg2.index()); |
| 33 | } |
| 34 | |
| 35 | for (int i = 0; i <= kMaxUInt8; i++) { |
| 36 | uint8_t operand = static_cast<uint8_t>(i); |
| 37 | Register reg = Register::FromOperand(operand); |
| 38 | if (i > 0 && i < -kMinInt8) { |
| 39 | CHECK(reg.is_parameter()); |
| 40 | } else { |
| 41 | CHECK(!reg.is_parameter()); |
| 42 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 43 | } |
| 44 | } |
| 45 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 46 | TEST(OperandConversion, Parameters) { |
| 47 | int parameter_counts[] = {7, 13, 99}; |
| 48 | |
| 49 | size_t count = sizeof(parameter_counts) / sizeof(parameter_counts[0]); |
| 50 | for (size_t p = 0; p < count; p++) { |
| 51 | int parameter_count = parameter_counts[p]; |
| 52 | for (int i = 0; i < parameter_count; i++) { |
| 53 | Register r = Register::FromParameterIndex(i, parameter_count); |
| 54 | uint8_t operand_value = r.ToOperand(); |
| 55 | Register s = Register::FromOperand(operand_value); |
| 56 | CHECK_EQ(i, s.ToParameterIndex(parameter_count)); |
| 57 | } |
| 58 | } |
| 59 | } |
| 60 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 61 | TEST(OperandConversion, RegistersParametersNoOverlap) { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 62 | int register_count = Register::MaxRegisterIndex() + 1; |
| 63 | int parameter_count = Register::MaxParameterIndex() + 1; |
| 64 | int32_t register_space_size = base::bits::RoundUpToPowerOfTwo32( |
| 65 | static_cast<uint32_t>(register_count + parameter_count)); |
| 66 | uint32_t range = static_cast<uint32_t>(register_space_size); |
| 67 | std::vector<uint8_t> operand_count(range); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 68 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 69 | for (int i = 0; i < register_count; i += 1) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 70 | Register r = Register(i); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 71 | uint32_t operand = r.ToWideOperand(); |
| 72 | CHECK_LT(operand, operand_count.size()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 73 | operand_count[operand] += 1; |
| 74 | CHECK_EQ(operand_count[operand], 1); |
| 75 | } |
| 76 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 77 | for (int i = 0; i < parameter_count; i += 1) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 78 | Register r = Register::FromParameterIndex(i, parameter_count); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 79 | uint32_t operand = r.ToWideOperand(); |
| 80 | CHECK_LT(operand, operand_count.size()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 81 | operand_count[operand] += 1; |
| 82 | CHECK_EQ(operand_count[operand], 1); |
| 83 | } |
| 84 | } |
| 85 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 86 | TEST(Bytecodes, HasAnyRegisterOperands) { |
| 87 | CHECK_EQ(Bytecodes::NumberOfRegisterOperands(Bytecode::kAdd), 1); |
| 88 | CHECK_EQ(Bytecodes::NumberOfRegisterOperands(Bytecode::kCall), 2); |
| 89 | CHECK_EQ(Bytecodes::NumberOfRegisterOperands(Bytecode::kCallRuntime), 1); |
| 90 | CHECK_EQ(Bytecodes::NumberOfRegisterOperands(Bytecode::kCallRuntimeWide), 1); |
| 91 | CHECK_EQ(Bytecodes::NumberOfRegisterOperands(Bytecode::kCallRuntimeForPair), |
| 92 | 2); |
| 93 | CHECK_EQ( |
| 94 | Bytecodes::NumberOfRegisterOperands(Bytecode::kCallRuntimeForPairWide), |
| 95 | 2); |
| 96 | CHECK_EQ(Bytecodes::NumberOfRegisterOperands(Bytecode::kDeletePropertyStrict), |
| 97 | 1); |
| 98 | CHECK_EQ(Bytecodes::NumberOfRegisterOperands(Bytecode::kForInPrepare), 1); |
| 99 | CHECK_EQ(Bytecodes::NumberOfRegisterOperands(Bytecode::kForInPrepareWide), 1); |
| 100 | CHECK_EQ(Bytecodes::NumberOfRegisterOperands(Bytecode::kInc), 0); |
| 101 | CHECK_EQ(Bytecodes::NumberOfRegisterOperands(Bytecode::kJumpIfTrue), 0); |
| 102 | CHECK_EQ(Bytecodes::NumberOfRegisterOperands(Bytecode::kNew), 2); |
| 103 | CHECK_EQ(Bytecodes::NumberOfRegisterOperands(Bytecode::kToName), 0); |
| 104 | } |
| 105 | |
| 106 | TEST(Bytecodes, RegisterOperandBitmaps) { |
| 107 | CHECK_EQ(Bytecodes::GetRegisterOperandBitmap(Bytecode::kAdd), 1); |
| 108 | CHECK_EQ(Bytecodes::GetRegisterOperandBitmap(Bytecode::kCallRuntimeForPair), |
| 109 | 10); |
| 110 | CHECK_EQ(Bytecodes::GetRegisterOperandBitmap(Bytecode::kStar), 1); |
| 111 | CHECK_EQ(Bytecodes::GetRegisterOperandBitmap(Bytecode::kMov), 3); |
| 112 | CHECK_EQ(Bytecodes::GetRegisterOperandBitmap(Bytecode::kTestIn), 1); |
| 113 | CHECK_EQ(Bytecodes::GetRegisterOperandBitmap(Bytecode::kForInPrepare), 1); |
| 114 | CHECK_EQ(Bytecodes::GetRegisterOperandBitmap(Bytecode::kForInDone), 3); |
| 115 | CHECK_EQ(Bytecodes::GetRegisterOperandBitmap(Bytecode::kForInNext), 7); |
| 116 | } |
| 117 | |
| 118 | TEST(Bytecodes, RegisterOperands) { |
| 119 | CHECK(Bytecodes::IsRegisterOperandType(OperandType::kReg8)); |
| 120 | CHECK(Bytecodes::IsRegisterInputOperandType(OperandType::kReg8)); |
| 121 | CHECK(!Bytecodes::IsRegisterOutputOperandType(OperandType::kReg8)); |
| 122 | CHECK(!Bytecodes::IsRegisterInputOperandType(OperandType::kRegOut8)); |
| 123 | CHECK(Bytecodes::IsRegisterOutputOperandType(OperandType::kRegOut8)); |
| 124 | |
| 125 | #define IS_REGISTER_OPERAND_TYPE(Name, _) \ |
| 126 | CHECK(Bytecodes::IsRegisterOperandType(OperandType::k##Name)); |
| 127 | REGISTER_OPERAND_TYPE_LIST(IS_REGISTER_OPERAND_TYPE) |
| 128 | #undef IS_REGISTER_OPERAND_TYPE |
| 129 | |
| 130 | #define IS_NOT_REGISTER_OPERAND_TYPE(Name, _) \ |
| 131 | CHECK(!Bytecodes::IsRegisterOperandType(OperandType::k##Name)); |
| 132 | NON_REGISTER_OPERAND_TYPE_LIST(IS_NOT_REGISTER_OPERAND_TYPE) |
| 133 | #undef IS_NOT_REGISTER_OPERAND_TYPE |
| 134 | |
| 135 | #define IS_REGISTER_INPUT_OPERAND_TYPE(Name, _) \ |
| 136 | CHECK(Bytecodes::IsRegisterInputOperandType(OperandType::k##Name)); |
| 137 | REGISTER_INPUT_OPERAND_TYPE_LIST(IS_REGISTER_INPUT_OPERAND_TYPE) |
| 138 | #undef IS_REGISTER_INPUT_OPERAND_TYPE |
| 139 | |
| 140 | #define IS_NOT_REGISTER_INPUT_OPERAND_TYPE(Name, _) \ |
| 141 | CHECK(!Bytecodes::IsRegisterInputOperandType(OperandType::k##Name)); |
| 142 | NON_REGISTER_OPERAND_TYPE_LIST(IS_NOT_REGISTER_INPUT_OPERAND_TYPE); |
| 143 | REGISTER_OUTPUT_OPERAND_TYPE_LIST(IS_NOT_REGISTER_INPUT_OPERAND_TYPE) |
| 144 | #undef IS_NOT_REGISTER_INPUT_OPERAND_TYPE |
| 145 | |
| 146 | #define IS_REGISTER_OUTPUT_OPERAND_TYPE(Name, _) \ |
| 147 | CHECK(Bytecodes::IsRegisterOutputOperandType(OperandType::k##Name)); |
| 148 | REGISTER_OUTPUT_OPERAND_TYPE_LIST(IS_REGISTER_OUTPUT_OPERAND_TYPE) |
| 149 | #undef IS_REGISTER_OUTPUT_OPERAND_TYPE |
| 150 | |
| 151 | #define IS_NOT_REGISTER_OUTPUT_OPERAND_TYPE(Name, _) \ |
| 152 | CHECK(!Bytecodes::IsRegisterOutputOperandType(OperandType::k##Name)); |
| 153 | NON_REGISTER_OPERAND_TYPE_LIST(IS_NOT_REGISTER_OUTPUT_OPERAND_TYPE) |
| 154 | REGISTER_INPUT_OPERAND_TYPE_LIST(IS_NOT_REGISTER_OUTPUT_OPERAND_TYPE) |
| 155 | #undef IS_NOT_REGISTER_INPUT_OPERAND_TYPE |
| 156 | } |
| 157 | |
| 158 | TEST(Bytecodes, DebugBreak) { |
| 159 | for (uint32_t i = 0; i < Bytecodes::ToByte(Bytecode::kLast); i++) { |
| 160 | Bytecode bytecode = Bytecodes::FromByte(i); |
| 161 | Bytecode debugbreak = Bytecodes::GetDebugBreak(bytecode); |
| 162 | if (!Bytecodes::IsDebugBreak(debugbreak)) { |
| 163 | PrintF("Bytecode %s has no matching debug break with length %d\n", |
| 164 | Bytecodes::ToString(bytecode), Bytecodes::Size(bytecode)); |
| 165 | CHECK(false); |
| 166 | } |
| 167 | } |
| 168 | } |
| 169 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 170 | } // namespace interpreter |
| 171 | } // namespace internal |
| 172 | } // namespace v8 |