9c10079653
Add ConstantTableBase node edge after parameters and before jvms. Adapt jvms offsets. Reviewed-by: kvn
414 lines
18 KiB
C++
414 lines
18 KiB
C++
/*
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* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#ifndef SHARE_VM_ADLC_ARCHDESC_HPP
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#define SHARE_VM_ADLC_ARCHDESC_HPP
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// Definitions for Error Flags
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#define WARN 0
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#define SYNERR 1
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#define SEMERR 2
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#define INTERNAL_ERR 3
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// Minimal declarations for include files
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class OutputMap;
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class ProductionState;
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class Expr;
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// STRUCTURE FOR HANDLING INPUT AND OUTPUT FILES
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typedef BufferedFile ADLFILE;
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//---------------------------ChainList-----------------------------------------
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class ChainList {
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NameList _name;
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NameList _cost;
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NameList _rule;
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public:
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void insert(const char *name, const char *cost, const char *rule);
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bool search(const char *name);
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void reset();
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bool iter(const char * &name, const char * &cost, const char * &rule);
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void dump();
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void output(FILE *fp);
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ChainList();
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~ChainList();
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};
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//---------------------------MatchList-----------------------------------------
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class MatchList {
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private:
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MatchList *_next;
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Predicate *_pred; // Predicate which applies to this match rule
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const char *_cost;
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public:
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const char *_opcode;
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const char *_resultStr;
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const char *_lchild;
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const char *_rchild;
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MatchList(MatchList *nxt, Predicate *prd): _next(nxt), _pred(prd), _cost(NULL){
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_resultStr = _lchild = _rchild = _opcode = NULL; }
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MatchList(MatchList *nxt, Predicate *prd, const char *cost,
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const char *opcode, const char *resultStr, const char *lchild,
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const char *rchild)
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: _next(nxt), _pred(prd), _cost(cost), _opcode(opcode),
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_resultStr(resultStr), _lchild(lchild), _rchild(rchild) { }
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MatchList *get_next(void) { return _next; }
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char *get_pred(void) { return (_pred?_pred->_pred:NULL); }
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Predicate *get_pred_obj(void) { return _pred; }
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const char *get_cost(void) { return _cost == NULL ? "0" :_cost; }
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bool search(const char *opc, const char *res, const char *lch,
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const char *rch, Predicate *pr);
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void dump();
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void output(FILE *fp);
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};
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//---------------------------ArchDesc------------------------------------------
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class ArchDesc {
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private:
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FormDict _globalNames; // Global names
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Dict _idealIndex; // Map ideal names to index in enumeration
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ExprDict _globalDefs; // Global definitions, #defines
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int _internalOpCounter; // Internal Operand Counter
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FormList _header; // List of Source Code Forms for hpp file
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FormList _pre_header; // ditto for the very top of the hpp file
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FormList _source; // List of Source Code Forms for output
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FormList _instructions; // List of Instruction Forms for output
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FormList _machnodes; // List of Node Classes (special for pipelining)
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FormList _operands; // List of Operand Forms for output
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FormList _opclass; // List of Operand Class Forms for output
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FormList _attributes; // List of Attribute Forms for parsing
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RegisterForm *_register; // Only one Register Form allowed
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FrameForm *_frame; // Describe stack-frame layout
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EncodeForm *_encode; // Only one Encode Form allowed
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PipelineForm *_pipeline; // Pipeline Form for output
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bool _has_match_rule[_last_opcode]; // found AD rule for ideal node in <arch>.ad
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MatchList *_mlistab[_last_opcode]; // Array of MatchLists
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// The Architecture Description identifies which user-defined operand can be used
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// to access [stack_pointer + offset]
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OperandForm *_cisc_spill_operand;
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// If a Call node uses $constanttablebase, it gets MachConstantBaseNode
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// by the matcher and the matcher will modify the jvms. If so, jvm states
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// always have to be cloned when a node is cloned. Adlc generates
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// Compile::needs_clone_jvms() accordingly.
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bool _needs_clone_jvms;
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// Methods for outputting the DFA
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void gen_match(FILE *fp, MatchList &mlist, ProductionState &status, Dict &operands_chained_from);
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void chain_rule(FILE *fp, const char *indent, const char *ideal,
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const Expr *icost, const char *irule,
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Dict &operands_chained_from, ProductionState &status);
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void expand_opclass(FILE *fp, const char *indent, const Expr *cost,
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const char *result_type, ProductionState &status);
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Expr *calc_cost(FILE *fp, const char *spaces, MatchList &mList, ProductionState &status);
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void prune_matchlist(Dict &minimize, MatchList &mlist);
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// Helper function that outputs code to generate an instruction in MachNodeGenerator
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void buildMachNode(FILE *fp_cpp, InstructForm *inst, const char *indent);
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public:
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ArchDesc();
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~ArchDesc();
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// Option flags which control miscellaneous behaviors throughout the code
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int _TotalLines; // Line Counter
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int _no_output; // Flag to disable output of DFA, etc.
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int _quiet_mode; // Do not output banner messages, etc.
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int _disable_warnings; // Do not output warning messages
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int _dfa_debug; // Debug Flag for generated DFA
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int _dfa_small; // Debug Flag for generated DFA
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int _adl_debug; // Debug Flag for ADLC
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int _adlocation_debug; // Debug Flag to use ad file locations
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bool _cisc_spill_debug; // Debug Flag to see cisc-spill-instructions
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bool _short_branch_debug; // Debug Flag to see short branch instructions
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// Error/Warning Counts
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int _syntax_errs; // Count of syntax errors
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int _semantic_errs; // Count of semantic errors
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int _warnings; // Count warnings
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int _internal_errs; // Count of internal errors
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// Accessor for private data.
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void has_match_rule(int opc, const bool b) { _has_match_rule[opc] = b; }
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// I/O Files
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ADLFILE _ADL_file; // Input Architecture Description File
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// Machine dependent files, built from architecture definition
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ADLFILE _DFA_file; // File for definition of Matcher::DFA
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ADLFILE _HPP_file; // File for ArchNode class declarations
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ADLFILE _CPP_file; // File for ArchNode class defintions
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ADLFILE _CPP_CLONE_file; // File for MachNode/Oper clone defintions
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ADLFILE _CPP_EXPAND_file; // File for MachNode expand methods
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ADLFILE _CPP_FORMAT_file; // File for MachNode/Oper format defintions
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ADLFILE _CPP_GEN_file; // File for MachNode/Oper generator methods
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ADLFILE _CPP_MISC_file; // File for miscellaneous MachNode/Oper tables & methods
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ADLFILE _CPP_PEEPHOLE_file; // File for MachNode peephole methods
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ADLFILE _CPP_PIPELINE_file; // File for MachNode pipeline defintions
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ADLFILE _VM_file; // File for constants needed in VM code
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ADLFILE _bug_file; // DFA debugging file
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// I/O helper methods
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int open_file(bool required, ADLFILE & adf, const char *action);
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void close_file(int delete_out, ADLFILE & adf);
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int open_files(void);
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void close_files(int delete_out);
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Dict _chainRules; // Maps user operand names to ChainRules
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Dict _internalOps; // Maps match strings to internal operand names
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NameList _internalOpNames; // List internal operand names
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Dict _internalMatch; // Map internal name to its MatchNode
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NameList _preproc_list; // Preprocessor flag names
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FormDict _preproc_table;// Preprocessor flag bindings
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char* get_preproc_def(const char* flag);
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void set_preproc_def(const char* flag, const char* def);
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FormDict& globalNames() {return _globalNames;} // map global names to forms
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void initKeywords(FormDict& globals); // Add keywords to global name table
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ExprDict& globalDefs() {return _globalDefs;} // map global names to expressions
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OperandForm *constructOperand(const char *ident, bool ideal_only);
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void initBaseOpTypes(); // Import predefined base types.
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void addForm(PreHeaderForm *ptr); // Add objects to pre-header list
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void addForm(HeaderForm *ptr); // Add objects to header list
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void addForm(SourceForm *ptr); // Add objects to source list
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void addForm(EncodeForm *ptr); // Add objects to encode list
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void addForm(InstructForm *ptr); // Add objects to the instruct list
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void addForm(OperandForm *ptr); // Add objects to the operand list
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void addForm(OpClassForm *ptr); // Add objects to the opclasss list
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void addForm(AttributeForm *ptr); // Add objects to the attributes list
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void addForm(RegisterForm *ptr); // Add objects to the register list
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void addForm(FrameForm *ptr); // Add objects to the frame list
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void addForm(PipelineForm *ptr); // Add objects to the pipeline list
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void addForm(MachNodeForm *ptr); // Add objects to the machnode list
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int operandFormCount(); // Count number of OperandForms defined
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int opclassFormCount(); // Count number of OpClassForms defined
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int instructFormCount(); // Count number of InstructForms defined
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inline void getForm(EncodeForm **ptr) { *ptr = _encode; }
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bool verify();
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void dump();
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// Helper utility that gets MatchList components from inside MatchRule
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void check_optype(MatchRule *mrule);
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void build_chain_rule(OperandForm *oper);
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void add_chain_rule_entry(const char *src, const char *cost,
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const char *result);
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const char *getMatchListIndex(MatchRule &mrule);
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void generateMatchLists(); // Build MatchList array and populate it
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void inspectOperands(); // Build MatchLists for all operands
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void inspectOpClasses(); // Build MatchLists for all operands
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void inspectInstructions(); // Build MatchLists for all operands
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void buildDFA(FILE *fp); // Driver for constructing the DFA
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void gen_dfa_state_body(FILE *fp, Dict &minmize, ProductionState &status, Dict &chained, int i); // Driver for constructing the DFA state bodies
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// Helper utilities to generate reduction maps for internal operands
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const char *reduceLeft (char *internalName);
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const char *reduceRight(char *internalName);
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// Build enumerations, (1) dense operand index, (2) operands and opcodes
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const char *machOperEnum(const char *opName); // create dense index names using static function
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static const char *getMachOperEnum(const char *opName);// create dense index name
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void buildMachOperEnum(FILE *fp_hpp);// dense enumeration for operands
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void buildMachOpcodesEnum(FILE *fp_hpp);// enumeration for MachOpers & MachNodes
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// Helper utilities to generate Register Masks
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RegisterForm *get_registers() { return _register; }
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const char *reg_mask(OperandForm &opForm);
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const char *reg_mask(InstructForm &instForm);
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const char *reg_class_to_reg_mask(const char *reg_class);
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char *stack_or_reg_mask(OperandForm &opForm); // name of cisc_spillable version
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// This register class should also generate a stack_or_reg_mask
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void set_stack_or_reg(const char *reg_class_name); // for cisc-spillable reg classes
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// Generate an enumeration of register mask names and the RegMask objects.
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void declare_register_masks(FILE *fp_cpp);
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void build_register_masks(FILE *fp_cpp);
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// Generate enumeration of machine register numbers
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void buildMachRegisterNumbers(FILE *fp_hpp);
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// Generate enumeration of machine register encodings
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void buildMachRegisterEncodes(FILE *fp_hpp);
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// Generate Regsiter Size Array
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void declareRegSizes(FILE *fp_hpp);
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// Generate Pipeline Class information
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void declare_pipe_classes(FILE *fp_hpp);
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// Generate Pipeline definitions
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void build_pipeline_enums(FILE *fp_cpp);
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// Generate Pipeline Class information
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void build_pipe_classes(FILE *fp_cpp);
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// Declare and define mappings from rules to result and input types
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void build_map(OutputMap &map);
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void buildReduceMaps(FILE *fp_hpp, FILE *fp_cpp);
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// build flags for signaling that our machine needs this instruction cloned
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void buildMustCloneMap(FILE *fp_hpp, FILE *fp_cpp);
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// output SUN copyright info
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void addSunCopyright(char* legal, int size, FILE *fp);
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// output the start of an include guard.
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void addIncludeGuardStart(ADLFILE &adlfile, const char* guardString);
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// output the end of an include guard.
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void addIncludeGuardEnd(ADLFILE &adlfile, const char* guardString);
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// output the #include line for this file.
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void addInclude(ADLFILE &adlfile, const char* fileName);
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void addInclude(ADLFILE &adlfile, const char* includeDir, const char* fileName);
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// Output C preprocessor code to verify the backend compilation environment.
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void addPreprocessorChecks(FILE *fp);
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// Output C source and header (source_hpp) blocks.
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void addPreHeaderBlocks(FILE *fp_hpp);
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void addHeaderBlocks(FILE *fp_hpp);
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void addSourceBlocks(FILE *fp_cpp);
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void generate_needs_clone_jvms(FILE *fp_cpp);
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void generate_adlc_verification(FILE *fp_cpp);
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// output declaration of class State
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void defineStateClass(FILE *fp);
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// Generator for MachOper objects given integer type
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void buildMachOperGenerator(FILE *fp_cpp);
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// Generator for MachNode objects given integer type
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void buildMachNodeGenerator(FILE *fp_cpp);
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// Generator for Expand methods for instructions with expand rules
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void defineExpand (FILE *fp, InstructForm *node);
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// Generator for Peephole methods for instructions with peephole rules
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void definePeephole (FILE *fp, InstructForm *node);
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// Generator for Size methods for instructions
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void defineSize (FILE *fp, InstructForm &node);
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public:
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// Generator for EvalConstantValue methods for instructions
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void defineEvalConstant(FILE *fp, InstructForm &node);
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// Generator for Emit methods for instructions
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void defineEmit (FILE *fp, InstructForm &node);
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// Generator for postalloc_expand methods for instructions.
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void define_postalloc_expand(FILE *fp, InstructForm &node);
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// Define a MachOper encode method
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void define_oper_interface(FILE *fp, OperandForm &oper, FormDict &globals,
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const char *name, const char *encoding);
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// Methods to construct the MachNode class hierarchy
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// Return the type signature for the ideal operation
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const char *getIdealType(const char *idealOp);
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// Declare and define the classes derived from MachOper and MachNode
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void declareClasses(FILE *fp_hpp);
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void defineClasses(FILE *fp_cpp);
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// Emit an ADLC message
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void internal_err( const char *fmt, ...);
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void syntax_err ( int lineno, const char *fmt, ...);
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int emit_msg(int quiet, int flag, int linenum, const char *fmt,
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va_list args);
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// Generator for has_match_rule methods
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void buildInstructMatchCheck(FILE *fp_cpp) const;
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// Generator for Frame Methods
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void buildFrameMethods(FILE *fp_cpp);
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// Generate CISC_spilling oracle and MachNode::cisc_spill() methods
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void build_cisc_spill_instructions(FILE *fp_hpp, FILE *fp_cpp);
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void identify_cisc_spill_instructions();
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void identify_short_branches();
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void identify_unique_operands();
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void set_cisc_spill_operand(OperandForm *opForm) { _cisc_spill_operand = opForm; }
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OperandForm *cisc_spill_operand() { return _cisc_spill_operand; }
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bool can_cisc_spill() { return _cisc_spill_operand != NULL; }
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protected:
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// build MatchList from MatchRule
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void buildMatchList(MatchRule *mrule, const char *resultStr,
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const char *rootOp, Predicate *pred, const char *cost);
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void buildMList(MatchNode *node, const char *rootOp, const char *resultOp,
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Predicate *pred, const char *cost);
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friend class ADLParser;
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};
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// -------------------------------- maps ------------------------------------
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// Base class for generating a mapping from rule number to value.
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// Used with ArchDesc::build_map() for all maps except "enum MachOperands"
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// A derived class defines the appropriate output for a specific mapping.
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class OutputMap {
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protected:
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FILE *_hpp;
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FILE *_cpp;
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FormDict &_globals;
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ArchDesc &_AD;
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const char *_name;
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public:
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OutputMap (FILE *decl_file, FILE *def_file, FormDict &globals, ArchDesc &AD, const char *name)
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: _hpp(decl_file), _cpp(def_file), _globals(globals), _AD(AD), _name(name) {};
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// Access files used by this routine
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FILE *decl_file() { return _hpp; }
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FILE *def_file() { return _cpp; }
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// Positions in iteration that derived class will be told about
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enum position { BEGIN_OPERANDS,
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BEGIN_OPCLASSES,
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BEGIN_INTERNALS,
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BEGIN_INSTRUCTIONS,
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BEGIN_INST_CHAIN_RULES,
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END_INST_CHAIN_RULES,
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BEGIN_REMATERIALIZE,
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END_REMATERIALIZE,
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END_INSTRUCTIONS
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};
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// Output routines specific to the derived class
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virtual void declaration() {}
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virtual void definition() {}
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virtual void closing() { fprintf(_cpp, "};\n"); }
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virtual void map(OperandForm &oper) { }
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virtual void map(OpClassForm &opc) { }
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virtual void map(char *internal_name) { }
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// Allow enum-MachOperands to turn-off instructions
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virtual bool do_instructions() { return true; }
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virtual void map(InstructForm &inst) { }
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// Allow derived class to output name and position specific info
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virtual void record_position(OutputMap::position place, int index) {}
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};
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#endif // SHARE_VM_ADLC_ARCHDESC_HPP
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