18b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch// Copyright 2011 the V8 project authors. All rights reserved. 2a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Redistribution and use in source and binary forms, with or without 3a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// modification, are permitted provided that the following conditions are 4a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// met: 5a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// 6a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// * Redistributions of source code must retain the above copyright 7a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// notice, this list of conditions and the following disclaimer. 8a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// * Redistributions in binary form must reproduce the above 9a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// copyright notice, this list of conditions and the following 10a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// disclaimer in the documentation and/or other materials provided 11a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// with the distribution. 12a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// * Neither the name of Google Inc. nor the names of its 13a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// contributors may be used to endorse or promote products derived 14a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// from this software without specific prior written permission. 15a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// 16a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 28a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#ifndef V8_IA32_CODEGEN_IA32_H_ 29a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#define V8_IA32_CODEGEN_IA32_H_ 30a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 3125f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen#include "ast.h" 326ded16be15dd865a9b21ea304d5273c8be299c87Steve Block#include "ic-inl.h" 336ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 34a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocknamespace v8 { 35a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocknamespace internal { 36a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 37a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Forward declarations 384515c472dc3e5ed2448a564600976759e569a0a8Leon Clarkeclass CompilationInfo; 39a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 40a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// ------------------------------------------------------------------------- 41a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// CodeGenerator 42a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 438b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdochclass CodeGenerator { 44a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block public: 453ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block // Printing of AST, etc. as requested by flags. 463100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu static void MakeCodePrologue(CompilationInfo* info); 473ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 483ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block // Allocate and install the code. 493100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu static Handle<Code> MakeCodeEpilogue(MacroAssembler* masm, 503ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block Code::Flags flags, 513100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu CompilationInfo* info); 523ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 53b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch // Print the code after compiling it. 54b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch static void PrintCode(Handle<Code> code, CompilationInfo* info); 55b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch 56a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block static bool ShouldGenerateLog(Expression* type); 57a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 587f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch static bool RecordPositions(MacroAssembler* masm, 597f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch int pos, 607f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch bool right_here = false); 613ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 62a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 6325f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen static Operand FixedArrayElementOperand(Register array, 6425f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen Register index_as_smi, 6525f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen int additional_offset = 0) { 6625f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen int offset = FixedArray::kHeaderSize + additional_offset * kPointerSize; 6725f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen return FieldOperand(array, index_as_smi, times_half_pointer_size, offset); 6825f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen } 6925f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen 70a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block private: 71a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block DISALLOW_COPY_AND_ASSIGN(CodeGenerator); 72a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block}; 73a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 74a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 753ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdochclass StringCharLoadGenerator : public AllStatic { 763ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch public: 773ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // Generates the code for handling different string types and loading the 783ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // indexed character into |result|. We expect |index| as untagged input and 793ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // |result| as untagged output. 803ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch static void Generate(MacroAssembler* masm, 813ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Factory* factory, 823ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Register string, 833ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Register index, 843ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Register result, 853ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Label* call_runtime); 863ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 873ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch private: 883ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch DISALLOW_COPY_AND_ASSIGN(StringCharLoadGenerator); 893ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch}; 903ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 91a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} } // namespace v8::internal 92a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 93a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#endif // V8_IA32_CODEGEN_IA32_H_ 94