2 * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief Representation of opcode of intermediate operation.
23 * @author Christian Schaefer, Goetz Lindenmaier, Michael Beck
37 #include "irbackedge_t.h"
39 #include "iropt_t.h" /* for firm_set_default_operations */
41 #include "reassoc_t.h"
45 /** the available next opcode */
46 static unsigned next_iro = iro_MaxOpcode;
48 ir_op *op_Block; ir_op *get_op_Block (void) { return op_Block; }
50 ir_op *op_Start; ir_op *get_op_Start (void) { return op_Start; }
51 ir_op *op_End; ir_op *get_op_End (void) { return op_End; }
52 ir_op *op_Jmp; ir_op *get_op_Jmp (void) { return op_Jmp; }
53 ir_op *op_IJmp; ir_op *get_op_IJmp (void) { return op_IJmp; }
54 ir_op *op_Cond; ir_op *get_op_Cond (void) { return op_Cond; }
55 ir_op *op_Return; ir_op *get_op_Return (void) { return op_Return; }
57 ir_op *op_Sel; ir_op *get_op_Sel (void) { return op_Sel; }
58 ir_op *op_InstOf; ir_op *get_op_InstOf (void) { return op_InstOf; }
60 ir_op *op_Const; ir_op *get_op_Const (void) { return op_Const; }
61 ir_op *op_SymConst; ir_op *get_op_SymConst (void) { return op_SymConst; }
63 ir_op *op_Call; ir_op *get_op_Call (void) { return op_Call; }
64 ir_op *op_Add; ir_op *get_op_Add (void) { return op_Add; }
65 ir_op *op_Sub; ir_op *get_op_Sub (void) { return op_Sub; }
66 ir_op *op_Minus; ir_op *get_op_Minus (void) { return op_Minus; }
67 ir_op *op_Mul; ir_op *get_op_Mul (void) { return op_Mul; }
68 ir_op *op_Mulh; ir_op *get_op_Mulh (void) { return op_Mulh; }
69 ir_op *op_Quot; ir_op *get_op_Quot (void) { return op_Quot; }
70 ir_op *op_DivMod; ir_op *get_op_DivMod (void) { return op_DivMod; }
71 ir_op *op_Div; ir_op *get_op_Div (void) { return op_Div; }
72 ir_op *op_Mod; ir_op *get_op_Mod (void) { return op_Mod; }
73 ir_op *op_Abs; ir_op *get_op_Abs (void) { return op_Abs; }
74 ir_op *op_And; ir_op *get_op_And (void) { return op_And; }
75 ir_op *op_Or; ir_op *get_op_Or (void) { return op_Or; }
76 ir_op *op_Eor; ir_op *get_op_Eor (void) { return op_Eor; }
77 ir_op *op_Not; ir_op *get_op_Not (void) { return op_Not; }
78 ir_op *op_Cmp; ir_op *get_op_Cmp (void) { return op_Cmp; }
79 ir_op *op_Shl; ir_op *get_op_Shl (void) { return op_Shl; }
80 ir_op *op_Shr; ir_op *get_op_Shr (void) { return op_Shr; }
81 ir_op *op_Shrs; ir_op *get_op_Shrs (void) { return op_Shrs; }
82 ir_op *op_Rotl; ir_op *get_op_Rotl (void) { return op_Rotl; }
83 ir_op *op_Conv; ir_op *get_op_Conv (void) { return op_Conv; }
84 ir_op *op_Cast; ir_op *get_op_Cast (void) { return op_Cast; }
85 ir_op *op_Carry; ir_op *get_op_Carry (void) { return op_Carry; }
86 ir_op *op_Borrow; ir_op *get_op_Borrow (void) { return op_Borrow; }
88 ir_op *op_Phi; ir_op *get_op_Phi (void) { return op_Phi; }
90 ir_op *op_Load; ir_op *get_op_Load (void) { return op_Load; }
91 ir_op *op_Store; ir_op *get_op_Store (void) { return op_Store; }
92 ir_op *op_Alloc; ir_op *get_op_Alloc (void) { return op_Alloc; }
93 ir_op *op_Free; ir_op *get_op_Free (void) { return op_Free; }
94 ir_op *op_Sync; ir_op *get_op_Sync (void) { return op_Sync; }
96 ir_op *op_Tuple; ir_op *get_op_Tuple (void) { return op_Tuple; }
97 ir_op *op_Proj; ir_op *get_op_Proj (void) { return op_Proj; }
98 ir_op *op_Id; ir_op *get_op_Id (void) { return op_Id; }
99 ir_op *op_Bad; ir_op *get_op_Bad (void) { return op_Bad; }
100 ir_op *op_Confirm; ir_op *get_op_Confirm (void) { return op_Confirm; }
102 ir_op *op_Unknown; ir_op *get_op_Unknown (void) { return op_Unknown; }
103 ir_op *op_Filter; ir_op *get_op_Filter (void) { return op_Filter; }
104 ir_op *op_Break; ir_op *get_op_Break (void) { return op_Break; }
105 ir_op *op_CallBegin; ir_op *get_op_CallBegin (void) { return op_CallBegin; }
106 ir_op *op_EndReg; ir_op *get_op_EndReg (void) { return op_EndReg; }
107 ir_op *op_EndExcept; ir_op *get_op_EndExcept (void) { return op_EndExcept; }
109 ir_op *op_NoMem; ir_op *get_op_NoMem (void) { return op_NoMem; }
110 ir_op *op_Mux; ir_op *get_op_Mux (void) { return op_Mux; }
111 ir_op *op_Min; ir_op *get_op_Min (void) { return op_Max; }
112 ir_op *op_Max; ir_op *get_op_Max (void) { return op_Max; }
113 ir_op *op_CopyB; ir_op *get_op_CopyB (void) { return op_CopyB; }
115 ir_op *op_Raise; ir_op *get_op_Raise (void) { return op_Raise; }
116 ir_op *op_Bound; ir_op *get_op_Bound (void) { return op_Bound; }
118 ir_op *op_Pin; ir_op *get_op_Pin (void) { return op_Pin; }
120 ir_op *op_ASM; ir_op *get_op_ASM (void) { return op_ASM; }
121 ir_op *op_Anchor; ir_op *get_op_Anchor (void) { return op_Anchor; }
124 * Copies all attributes stored in the old node to the new node.
125 * Assumes both have the same opcode and sufficient size.
127 void default_copy_attr(const ir_node *old_node, ir_node *new_node) {
128 unsigned size = firm_add_node_size;
130 assert(get_irn_op(old_node) == get_irn_op(new_node));
131 memcpy(&new_node->attr, &old_node->attr, get_op_attr_size(get_irn_op(old_node)));
134 /* copy additional node data */
135 memcpy(get_irn_data(new_node, void, size), get_irn_data(old_node, void, size), size);
137 } /* default_copy_attr */
140 * Copies all Call attributes stored in the old node to the new node.
143 call_copy_attr(const ir_node *old_node, ir_node *new_node) {
144 default_copy_attr(old_node, new_node);
145 remove_Call_callee_arr(new_node);
146 } /* call_copy_attr */
149 * Copies all Block attributes stored in the old node to the new node.
152 block_copy_attr(const ir_node *old_node, ir_node *new_node) {
153 ir_graph *irg = current_ir_graph;
155 default_copy_attr(old_node, new_node);
156 new_node->attr.block.phis = NULL;
157 new_node->attr.block.cg_backedge = NULL;
158 new_node->attr.block.backedge = new_backedge_arr(irg->obst, get_irn_arity(new_node));
159 INIT_LIST_HEAD(&new_node->attr.block.succ_head);
160 } /* block_copy_attr */
163 * Copies all phi attributes stored in old node to the new node
166 phi_copy_attr(const ir_node *old_node, ir_node *new_node) {
167 ir_graph *irg = current_ir_graph;
169 default_copy_attr(old_node, new_node);
170 new_node->attr.phi.next = NULL;
171 new_node->attr.phi.u.backedge = new_backedge_arr(irg->obst, get_irn_arity(new_node));
175 * Copies all filter attributes stored in old node to the new node
178 filter_copy_attr(const ir_node *old_node, ir_node *new_node) {
179 ir_graph *irg = current_ir_graph;
181 default_copy_attr(old_node, new_node);
182 new_node->attr.filter.backedge = new_backedge_arr(irg->obst, get_irn_arity(new_node));
186 * Copies all ASM attributes stored in old node to the new node
189 ASM_copy_attr(const ir_node *old_node, ir_node *new_node) {
190 ir_graph *irg = current_ir_graph;
192 default_copy_attr(old_node, new_node);
193 new_node->attr.assem.inputs = DUP_ARR_D(ir_asm_constraint, irg->obst, old_node->attr.assem.inputs);
194 new_node->attr.assem.outputs = DUP_ARR_D(ir_asm_constraint, irg->obst, old_node->attr.assem.outputs);
195 new_node->attr.assem.clobber = DUP_ARR_D(ir_asm_constraint, irg->obst, old_node->attr.assem.clobber);
199 * Sets the default copy_attr operation for an ir_ops
201 * @param code the opcode for the default operation
202 * @param ops the operations initialized
207 static ir_op_ops *firm_set_default_copy_attr(ir_opcode code, ir_op_ops *ops) {
210 ops->copy_attr = call_copy_attr;
213 ops->copy_attr = block_copy_attr;
216 ops->copy_attr = phi_copy_attr;
219 ops->copy_attr = filter_copy_attr;
222 ops->copy_attr = ASM_copy_attr;
225 /* not allowed to be NULL */
226 if (! ops->copy_attr)
227 ops->copy_attr = default_copy_attr;
230 } /* firm_set_default_copy_attr */
232 /* Creates a new ir operation. */
234 new_ir_op(unsigned code, const char *name, op_pin_state p,
235 unsigned flags, op_arity opar, int op_index, size_t attr_size,
236 const ir_op_ops *ops)
240 res = (ir_op *)xmalloc(sizeof(*res));
241 memset(res, 0, sizeof(*res));
244 res->name = new_id_from_chars(name, strlen(name));
246 res->attr_size = attr_size;
249 res->op_index = op_index;
253 memcpy(&res->ops, ops, sizeof(res->ops));
254 else /* no given ops, set all operations to NULL */
255 memset(&res->ops, 0, sizeof(res->ops));
257 firm_set_default_operations(code, &res->ops);
258 firm_set_default_copy_attr(code, &res->ops);
259 firm_set_default_verifyer(code, &res->ops);
260 firm_set_default_reassoc(code, &res->ops);
268 void free_ir_op(ir_op *code) {
269 hook_free_ir_op(code);
271 remove_irp_opcode(code);
278 #define N irop_flag_none
279 #define L irop_flag_labeled
280 #define C irop_flag_commutative
281 #define X irop_flag_cfopcode
282 #define I irop_flag_ip_cfopcode
283 #define F irop_flag_fragile
284 #define Y irop_flag_forking
285 #define H irop_flag_highlevel
286 #define c irop_flag_constlike
287 #define K irop_flag_keep
288 #define S irop_flag_start_block
289 #define M irop_flag_uses_memory
290 #define NB irop_flag_dump_noblock
291 #define NI irop_flag_dump_noinput
293 /* Caution: A great deal of Firm optimizations depend an right operations flags. */
294 op_Block = new_ir_op(iro_Block, "Block", op_pin_state_pinned, L, oparity_variable, -1, sizeof(block_attr), NULL);
296 op_Start = new_ir_op(iro_Start, "Start", op_pin_state_pinned, X, oparity_zero, -1, 0, NULL);
297 op_End = new_ir_op(iro_End, "End", op_pin_state_pinned, X, oparity_dynamic, -1, 0, NULL);
298 op_Jmp = new_ir_op(iro_Jmp, "Jmp", op_pin_state_pinned, X, oparity_zero, -1, 0, NULL);
299 op_IJmp = new_ir_op(iro_IJmp, "IJmp", op_pin_state_pinned, X|Y|K, oparity_unary, -1, 0, NULL);
300 op_Cond = new_ir_op(iro_Cond, "Cond", op_pin_state_pinned, X|Y, oparity_any, -1, sizeof(cond_attr), NULL);
301 op_Return = new_ir_op(iro_Return, "Return", op_pin_state_pinned, X, oparity_variable, -1, 0, NULL);
303 op_Const = new_ir_op(iro_Const, "Const", op_pin_state_floats, c|S, oparity_zero, -1, sizeof(const_attr), NULL);
304 op_SymConst = new_ir_op(iro_SymConst, "SymConst", op_pin_state_floats, c|S, oparity_zero, -1, sizeof(symconst_attr), NULL);
306 op_Sel = new_ir_op(iro_Sel, "Sel", op_pin_state_floats, N, oparity_any, -1, sizeof(sel_attr), NULL);
308 op_Call = new_ir_op(iro_Call, "Call", op_pin_state_mem_pinned, F|M, oparity_variable, -1, sizeof(call_attr), NULL);
309 op_Add = new_ir_op(iro_Add, "Add", op_pin_state_floats, C, oparity_binary, 0, 0, NULL);
310 op_Sub = new_ir_op(iro_Sub, "Sub", op_pin_state_floats, N, oparity_binary, 0, 0, NULL);
311 op_Minus = new_ir_op(iro_Minus, "Minus", op_pin_state_floats, N, oparity_unary, 0, 0, NULL);
312 op_Mul = new_ir_op(iro_Mul, "Mul", op_pin_state_floats, C, oparity_binary, 0, 0, NULL);
313 op_Mulh = new_ir_op(iro_Mulh, "Mulh", op_pin_state_floats, C, oparity_binary, 0, 0, NULL);
314 op_Quot = new_ir_op(iro_Quot, "Quot", op_pin_state_exc_pinned, F|M, oparity_binary, 1, sizeof(divmod_attr), NULL);
315 op_DivMod = new_ir_op(iro_DivMod, "DivMod", op_pin_state_exc_pinned, F|M, oparity_binary, 1, sizeof(divmod_attr), NULL);
316 op_Div = new_ir_op(iro_Div, "Div", op_pin_state_exc_pinned, F|M, oparity_binary, 1, sizeof(divmod_attr), NULL);
317 op_Mod = new_ir_op(iro_Mod, "Mod", op_pin_state_exc_pinned, F|M, oparity_binary, 1, sizeof(divmod_attr), NULL);
318 op_Abs = new_ir_op(iro_Abs, "Abs", op_pin_state_floats, N, oparity_unary, 0, 0, NULL);
319 op_And = new_ir_op(iro_And, "And", op_pin_state_floats, C, oparity_binary, 0, 0, NULL);
320 op_Or = new_ir_op(iro_Or, "Or", op_pin_state_floats, C, oparity_binary, 0, 0, NULL);
321 op_Eor = new_ir_op(iro_Eor, "Eor", op_pin_state_floats, C, oparity_binary, 0, 0, NULL);
322 op_Not = new_ir_op(iro_Not, "Not", op_pin_state_floats, N, oparity_unary, 0, 0, NULL);
323 op_Cmp = new_ir_op(iro_Cmp, "Cmp", op_pin_state_floats, N, oparity_binary, 0, 0, NULL);
324 op_Shl = new_ir_op(iro_Shl, "Shl", op_pin_state_floats, N, oparity_binary, 0, 0, NULL);
325 op_Shr = new_ir_op(iro_Shr, "Shr", op_pin_state_floats, N, oparity_binary, 0, 0, NULL);
326 op_Shrs = new_ir_op(iro_Shrs, "Shrs", op_pin_state_floats, N, oparity_binary, 0, 0, NULL);
327 op_Rotl = new_ir_op(iro_Rotl, "Rotl", op_pin_state_floats, N, oparity_binary, 0, 0, NULL);
328 op_Conv = new_ir_op(iro_Conv, "Conv", op_pin_state_floats, N, oparity_unary, 0, sizeof(conv_attr), NULL);
329 op_Cast = new_ir_op(iro_Cast, "Cast", op_pin_state_floats, H, oparity_unary, 0, sizeof(cast_attr), NULL);
330 op_Carry = new_ir_op(iro_Carry, "Carry", op_pin_state_floats, C, oparity_binary, 0, 0, NULL);
331 op_Borrow = new_ir_op(iro_Borrow, "Borrow", op_pin_state_floats, N, oparity_binary, 0, 0, NULL);
333 op_Phi = new_ir_op(iro_Phi, "Phi", op_pin_state_pinned, N, oparity_variable, -1, sizeof(phi_attr), NULL);
335 op_Load = new_ir_op(iro_Load, "Load", op_pin_state_exc_pinned, F|M, oparity_any, -1, sizeof(load_attr), NULL);
336 op_Store = new_ir_op(iro_Store, "Store", op_pin_state_exc_pinned, F|M, oparity_any, -1, sizeof(store_attr), NULL);
337 op_Alloc = new_ir_op(iro_Alloc, "Alloc", op_pin_state_pinned, F|M, oparity_any, -1, sizeof(alloc_attr), NULL);
338 op_Free = new_ir_op(iro_Free, "Free", op_pin_state_pinned, N|M, oparity_any, -1, sizeof(free_attr), NULL);
339 op_Sync = new_ir_op(iro_Sync, "Sync", op_pin_state_floats, N, oparity_dynamic, -1, 0, NULL);
341 op_Proj = new_ir_op(iro_Proj, "Proj", op_pin_state_floats, N, oparity_unary, -1, sizeof(long), NULL);
342 op_Tuple = new_ir_op(iro_Tuple, "Tuple", op_pin_state_floats, L, oparity_variable, -1, 0, NULL);
343 op_Id = new_ir_op(iro_Id, "Id", op_pin_state_floats, N, oparity_any, -1, 0, NULL);
344 op_Bad = new_ir_op(iro_Bad, "Bad", op_pin_state_pinned, X|F|S|NB,oparity_zero, -1, 0, NULL);
345 op_Confirm = new_ir_op(iro_Confirm, "Confirm", op_pin_state_pinned, H, oparity_any, -1, sizeof(confirm_attr), NULL);
347 op_Unknown = new_ir_op(iro_Unknown, "Unknown", op_pin_state_pinned, X|F|S|c|NB,oparity_zero, -1, 0, NULL);
348 op_Filter = new_ir_op(iro_Filter, "Filter", op_pin_state_pinned, N, oparity_variable, -1, sizeof(filter_attr), NULL);
349 op_Break = new_ir_op(iro_Break, "Break", op_pin_state_pinned, X, oparity_zero, -1, 0, NULL);
350 op_CallBegin = new_ir_op(iro_CallBegin, "CallBegin", op_pin_state_pinned, X|I, oparity_any, -1, sizeof(callbegin_attr), NULL);
351 op_EndReg = new_ir_op(iro_EndReg, "EndReg", op_pin_state_pinned, X|I, oparity_dynamic, -1, 0, NULL);
352 op_EndExcept = new_ir_op(iro_EndExcept, "EndExcept", op_pin_state_pinned, X|I, oparity_dynamic, -1, 0, NULL);
354 op_NoMem = new_ir_op(iro_NoMem, "NoMem", op_pin_state_pinned, N|NB|NI, oparity_zero, -1, 0, NULL);
355 op_Mux = new_ir_op(iro_Mux, "Mux", op_pin_state_floats, N, oparity_trinary, -1, 0, NULL);
356 op_Min = new_ir_op(iro_Min, "Min", op_pin_state_floats, N, oparity_binary, -1, 0, NULL);
357 op_Max = new_ir_op(iro_Max, "Max", op_pin_state_floats, N, oparity_binary, -1, 0, NULL);
358 op_CopyB = new_ir_op(iro_CopyB, "CopyB", op_pin_state_mem_pinned, F|H|M, oparity_trinary,-1, sizeof(copyb_attr), NULL);
360 op_InstOf = new_ir_op(iro_InstOf, "InstOf", op_pin_state_mem_pinned, H, oparity_unary, -1, sizeof(io_attr), NULL);
361 op_Raise = new_ir_op(iro_Raise, "Raise", op_pin_state_pinned, H|X, oparity_any, -1, 0, NULL);
362 op_Bound = new_ir_op(iro_Bound, "Bound", op_pin_state_exc_pinned, F|H, oparity_trinary, -1, sizeof(bound_attr), NULL);
364 op_Pin = new_ir_op(iro_Pin, "Pin", op_pin_state_pinned, H, oparity_unary, -1, 0, NULL);
366 op_ASM = new_ir_op(iro_ASM, "ASM", op_pin_state_mem_pinned, K|M, oparity_variable, -1, sizeof(asm_attr), NULL);
368 op_Anchor = new_ir_op(iro_Anchor, "Anchor", op_pin_state_pinned, N|NB, oparity_variable, -1, 0, NULL);
384 /* free memory used by irop module. */
385 void finish_op(void) {
386 free_ir_op (op_Block ); op_Block = NULL;
388 free_ir_op (op_Start ); op_Start = NULL;
389 free_ir_op (op_End ); op_End = NULL;
390 free_ir_op (op_Jmp ); op_Jmp = NULL;
391 free_ir_op (op_Cond ); op_Cond = NULL;
392 free_ir_op (op_Return ); op_Return = NULL;
394 free_ir_op (op_Const ); op_Const = NULL;
395 free_ir_op (op_SymConst ); op_SymConst = NULL;
397 free_ir_op (op_Sel ); op_Sel = NULL;
399 free_ir_op (op_Call ); op_Call = NULL;
400 free_ir_op (op_Add ); op_Add = NULL;
401 free_ir_op (op_Minus ); op_Minus = NULL;
402 free_ir_op (op_Sub ); op_Sub = NULL;
403 free_ir_op (op_Mul ); op_Mul = NULL;
404 free_ir_op (op_Mulh ); op_Mulh = NULL;
405 free_ir_op (op_Quot ); op_Quot = NULL;
406 free_ir_op (op_DivMod ); op_DivMod = NULL;
407 free_ir_op (op_Div ); op_Div = NULL;
408 free_ir_op (op_Mod ); op_Mod = NULL;
409 free_ir_op (op_Abs ); op_Abs = NULL;
410 free_ir_op (op_And ); op_And = NULL;
411 free_ir_op (op_Or ); op_Or = NULL;
412 free_ir_op (op_Eor ); op_Eor = NULL;
413 free_ir_op (op_Not ); op_Not = NULL;
414 free_ir_op (op_Cmp ); op_Cmp = NULL;
415 free_ir_op (op_Shl ); op_Shl = NULL;
416 free_ir_op (op_Shr ); op_Shr = NULL;
417 free_ir_op (op_Shrs ); op_Shrs = NULL;
418 free_ir_op (op_Rotl ); op_Rotl = NULL;
419 free_ir_op (op_Conv ); op_Conv = NULL;
420 free_ir_op (op_Cast ); op_Cast = NULL;
421 free_ir_op (op_Carry ); op_Carry = NULL;
422 free_ir_op (op_Borrow ); op_Borrow = NULL;
424 free_ir_op (op_Phi ); op_Phi = NULL;
426 free_ir_op (op_Load ); op_Load = NULL;
427 free_ir_op (op_Store ); op_Store = NULL;
428 free_ir_op (op_Alloc ); op_Alloc = NULL;
429 free_ir_op (op_Free ); op_Free = NULL;
430 free_ir_op (op_Sync ); op_Sync = NULL;
432 free_ir_op (op_Proj ); op_Proj = NULL;
433 free_ir_op (op_Tuple ); op_Tuple = NULL;
434 free_ir_op (op_Id ); op_Id = NULL;
435 free_ir_op (op_Bad ); op_Bad = NULL;
436 free_ir_op (op_Confirm ); op_Confirm = NULL;
438 free_ir_op (op_Unknown ); op_Unknown = NULL;
439 free_ir_op (op_Filter ); op_Filter = NULL;
440 free_ir_op (op_Break ); op_Break = NULL;
441 free_ir_op (op_CallBegin); op_CallBegin = NULL;
442 free_ir_op (op_EndReg ); op_EndReg = NULL;
443 free_ir_op (op_EndExcept); op_EndExcept = NULL;
445 free_ir_op (op_NoMem ); op_NoMem = NULL;
446 free_ir_op (op_Max ); op_Max = NULL;
447 free_ir_op (op_Min ); op_Min = NULL;
448 free_ir_op (op_Mux ); op_Mux = NULL;
449 free_ir_op (op_CopyB ); op_CopyB = NULL;
451 free_ir_op (op_InstOf ); op_InstOf = NULL;
452 free_ir_op (op_Raise ); op_Raise = NULL;
453 free_ir_op (op_Bound ); op_Bound = NULL;
455 free_ir_op (op_Pin ); op_Pin = NULL;
456 free_ir_op (op_ASM ); op_ASM = NULL;
457 free_ir_op (op_Anchor ); op_Anchor = NULL;
460 /* Returns the string for the opcode. */
461 const char *get_op_name (const ir_op *op) {
462 return get_id_str(op->name);
465 unsigned (get_op_code)(const ir_op *op){
466 return _get_op_code(op);
469 ident *(get_op_ident)(const ir_op *op){
470 return _get_op_ident(op);
473 const char *get_op_pin_state_name(op_pin_state s) {
475 #define XXX(s) case s: return #s
476 XXX(op_pin_state_floats);
477 XXX(op_pin_state_pinned);
478 XXX(op_pin_state_exc_pinned);
479 XXX(op_pin_state_mem_pinned);
483 } /* get_op_pin_state_name */
485 op_pin_state (get_op_pinned)(const ir_op *op) {
486 return _get_op_pinned(op);
487 } /* get_op_pinned */
489 /* Sets op_pin_state_pinned in the opcode. Setting it to floating has no effect
490 for Phi, Block and control flow nodes. */
491 void set_op_pinned(ir_op *op, op_pin_state pinned) {
492 if (op == op_Block || op == op_Phi || is_op_cfopcode(op)) return;
493 op->pin_state = pinned;
494 } /* set_op_pinned */
496 /* retrieve the next free opcode */
497 unsigned get_next_ir_opcode(void) {
499 } /* get_next_ir_opcode */
501 /* Returns the next free n IR opcode number, allows to register a bunch of user ops */
502 unsigned get_next_ir_opcodes(unsigned num) {
503 unsigned base = next_iro;
506 } /* get_next_ir_opcodes */
508 /* Returns the generic function pointer from an ir operation. */
509 op_func (get_generic_function_ptr)(const ir_op *op) {
510 return _get_generic_function_ptr(op);
511 } /* get_generic_function_ptr */
513 /* Store a generic function pointer into an ir operation. */
514 void (set_generic_function_ptr)(ir_op *op, op_func func) {
515 _set_generic_function_ptr(op, func);
516 } /* set_generic_function_ptr */
518 /* Returns the ir_op_ops of an ir_op. */
519 const ir_op_ops *(get_op_ops)(const ir_op *op) {
520 return _get_op_ops(op);
523 irop_flags get_op_flags(const ir_op *op) {