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comparison src/share/vm/opto/machnode.hpp @ 14434:318d0622a6d7

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8028580: PPC64 (part 114/120): Support for Call nodes with constants. Summary: extends MachCall nodes so that they can issue constants to the constant table Reviewed-by: kvn
author goetz
date Wed, 20 Nov 2013 11:08:09 -0800
parents 1410ad6b05f1
children 15120a36272d
comparison
equal deleted inserted replaced
14433:018b357638aa 14434:318d0622a6d7
179 virtual int Opcode() const; // Always equal to MachNode 179 virtual int Opcode() const; // Always equal to MachNode
180 virtual uint rule() const = 0; // Machine-specific opcode 180 virtual uint rule() const = 0; // Machine-specific opcode
181 // Number of inputs which come before the first operand. 181 // Number of inputs which come before the first operand.
182 // Generally at least 1, to skip the Control input 182 // Generally at least 1, to skip the Control input
183 virtual uint oper_input_base() const { return 1; } 183 virtual uint oper_input_base() const { return 1; }
184 // Position of constant base node in node's inputs. -1 if
185 // no constant base node input.
186 virtual uint mach_constant_base_node_input() const { return (uint)-1; }
184 187
185 // Copy inputs and operands to new node of instruction. 188 // Copy inputs and operands to new node of instruction.
186 // Called from cisc_version() and short_branch_version(). 189 // Called from cisc_version() and short_branch_version().
187 // !!!! The method's body is defined in ad_<arch>.cpp file. 190 // !!!! The method's body is defined in ad_<arch>.cpp file.
188 void fill_new_machnode(MachNode *n, Compile* C) const; 191 void fill_new_machnode(MachNode *n, Compile* C) const;
248 virtual int compute_padding(int current_offset) const { return 0; } 251 virtual int compute_padding(int current_offset) const { return 0; }
249 252
250 // Return number of relocatable values contained in this instruction 253 // Return number of relocatable values contained in this instruction
251 virtual int reloc() const { return 0; } 254 virtual int reloc() const { return 0; }
252 255
256 // Return number of words used for double constants in this instruction
257 virtual int ins_num_consts() const { return 0; }
258
253 // Hash and compare over operands. Used to do GVN on machine Nodes. 259 // Hash and compare over operands. Used to do GVN on machine Nodes.
254 virtual uint hash() const; 260 virtual uint hash() const;
255 virtual uint cmp( const Node &n ) const; 261 virtual uint cmp( const Node &n ) const;
256 262
257 // Expand method for MachNode, replaces nodes representing pseudo 263 // Expand method for MachNode, replaces nodes representing pseudo
410 return MachConstantBaseNode::static_out_RegMask(); 416 return MachConstantBaseNode::static_out_RegMask();
411 return MachNode::in_RegMask(idx); 417 return MachNode::in_RegMask(idx);
412 } 418 }
413 419
414 // Input edge of MachConstantBaseNode. 420 // Input edge of MachConstantBaseNode.
415 uint mach_constant_base_node_input() const { return req() - 1; } 421 virtual uint mach_constant_base_node_input() const { return req() - 1; }
416 422
417 int constant_offset(); 423 int constant_offset();
418 int constant_offset() const { return ((MachConstantNode*) this)->constant_offset(); } 424 int constant_offset() const { return ((MachConstantNode*) this)->constant_offset(); }
419 // Unchecked version to avoid assertions in debug output. 425 // Unchecked version to avoid assertions in debug output.
420 int constant_offset_unchecked() const; 426 int constant_offset_unchecked() const;