1 // Copyright 2011 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 #ifndef V8_IA32_CODEGEN_IA32_H_ 29 #define V8_IA32_CODEGEN_IA32_H_ 30 31 #include "ast.h" 32 #include "ic-inl.h" 33 34 namespace v8 { 35 namespace internal { 36 37 // Forward declarations 38 class CompilationInfo; 39 40 // ------------------------------------------------------------------------- 41 // CodeGenerator 42 43 class CodeGenerator { 44 public: 45 // Printing of AST, etc. as requested by flags. 46 static void MakeCodePrologue(CompilationInfo* info, const char* kind); 47 48 // Allocate and install the code. 49 static Handle<Code> MakeCodeEpilogue(MacroAssembler* masm, 50 Code::Flags flags, 51 CompilationInfo* info); 52 53 // Print the code after compiling it. 54 static void PrintCode(Handle<Code> code, CompilationInfo* info); 55 56 static bool ShouldGenerateLog(Expression* type); 57 58 static bool RecordPositions(MacroAssembler* masm, 59 int pos, 60 bool right_here = false); 61 62 63 static Operand FixedArrayElementOperand(Register array, 64 Register index_as_smi, 65 int additional_offset = 0) { 66 int offset = FixedArray::kHeaderSize + additional_offset * kPointerSize; 67 return FieldOperand(array, index_as_smi, times_half_pointer_size, offset); 68 } 69 70 private: 71 DISALLOW_COPY_AND_ASSIGN(CodeGenerator); 72 }; 73 74 75 class StringCharLoadGenerator : public AllStatic { 76 public: 77 // Generates the code for handling different string types and loading the 78 // indexed character into |result|. We expect |index| as untagged input and 79 // |result| as untagged output. 80 static void Generate(MacroAssembler* masm, 81 Factory* factory, 82 Register string, 83 Register index, 84 Register result, 85 Label* call_runtime); 86 87 private: 88 DISALLOW_COPY_AND_ASSIGN(StringCharLoadGenerator); 89 }; 90 91 92 class MathExpGenerator : public AllStatic { 93 public: 94 static void EmitMathExp(MacroAssembler* masm, 95 XMMRegister input, 96 XMMRegister result, 97 XMMRegister double_scratch, 98 Register temp1, 99 Register temp2); 100 101 private: 102 DISALLOW_COPY_AND_ASSIGN(MathExpGenerator); 103 }; 104 105 } } // namespace v8::internal 106 107 #endif // V8_IA32_CODEGEN_IA32_H_ 108