3 * File name: ir/ir/irop.c
4 * Purpose: Representation of opcode of intermediate operation.
5 * Author: Christian Schaefer
6 * Modified by: Goetz Lindenmaier
9 * Copyright: (c) 1998-2003 Universität Karlsruhe
10 * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
22 # include "irnode_t.h"
25 # include "iropt_t.h" /* for firm_set_default_operations */
26 # include "irvrfy_t.h"
27 # include "reassoc_t.h"
31 /** the available next opcode */
32 static unsigned next_iro = iro_MaxOpcode;
34 ir_op *op_Block; ir_op *get_op_Block (void) { return op_Block; }
36 ir_op *op_Start; ir_op *get_op_Start (void) { return op_Start; }
37 ir_op *op_End; ir_op *get_op_End (void) { return op_End; }
38 ir_op *op_Jmp; ir_op *get_op_Jmp (void) { return op_Jmp; }
39 ir_op *op_IJmp; ir_op *get_op_IJmp (void) { return op_IJmp; }
40 ir_op *op_Cond; ir_op *get_op_Cond (void) { return op_Cond; }
41 ir_op *op_Return; ir_op *get_op_Return (void) { return op_Return; }
42 ir_op *op_Raise; ir_op *get_op_Raise (void) { return op_Raise; }
44 ir_op *op_Sel; ir_op *get_op_Sel (void) { return op_Sel; }
45 ir_op *op_InstOf; ir_op *get_op_InstOf (void) { return op_InstOf; }
47 ir_op *op_Const; ir_op *get_op_Const (void) { return op_Const; }
48 ir_op *op_SymConst; ir_op *get_op_SymConst (void) { return op_SymConst; }
50 ir_op *op_Call; ir_op *get_op_Call (void) { return op_Call; }
51 ir_op *op_Add; ir_op *get_op_Add (void) { return op_Add; }
52 ir_op *op_Sub; ir_op *get_op_Sub (void) { return op_Sub; }
53 ir_op *op_Minus; ir_op *get_op_Minus (void) { return op_Minus; }
54 ir_op *op_Mul; ir_op *get_op_Mul (void) { return op_Mul; }
55 ir_op *op_Quot; ir_op *get_op_Quot (void) { return op_Quot; }
56 ir_op *op_DivMod; ir_op *get_op_DivMod (void) { return op_DivMod; }
57 ir_op *op_Div; ir_op *get_op_Div (void) { return op_Div; }
58 ir_op *op_Mod; ir_op *get_op_Mod (void) { return op_Mod; }
59 ir_op *op_Abs; ir_op *get_op_Abs (void) { return op_Abs; }
60 ir_op *op_And; ir_op *get_op_And (void) { return op_And; }
61 ir_op *op_Or; ir_op *get_op_Or (void) { return op_Or; }
62 ir_op *op_Eor; ir_op *get_op_Eor (void) { return op_Eor; }
63 ir_op *op_Not; ir_op *get_op_Not (void) { return op_Not; }
64 ir_op *op_Cmp; ir_op *get_op_Cmp (void) { return op_Cmp; }
65 ir_op *op_Shl; ir_op *get_op_Shl (void) { return op_Shl; }
66 ir_op *op_Shr; ir_op *get_op_Shr (void) { return op_Shr; }
67 ir_op *op_Shrs; ir_op *get_op_Shrs (void) { return op_Shrs; }
68 ir_op *op_Rot; ir_op *get_op_Rot (void) { return op_Rot; }
69 ir_op *op_Conv; ir_op *get_op_Conv (void) { return op_Conv; }
70 ir_op *op_Cast; ir_op *get_op_Cast (void) { return op_Cast; }
72 ir_op *op_Phi; ir_op *get_op_Phi (void) { return op_Phi; }
74 ir_op *op_Load; ir_op *get_op_Load (void) { return op_Load; }
75 ir_op *op_Store; ir_op *get_op_Store (void) { return op_Store; }
76 ir_op *op_Alloc; ir_op *get_op_Alloc (void) { return op_Alloc; }
77 ir_op *op_Free; ir_op *get_op_Free (void) { return op_Free; }
78 ir_op *op_Sync; ir_op *get_op_Sync (void) { return op_Sync; }
80 ir_op *op_Tuple; ir_op *get_op_Tuple (void) { return op_Tuple; }
81 ir_op *op_Proj; ir_op *get_op_Proj (void) { return op_Proj; }
82 ir_op *op_Id; ir_op *get_op_Id (void) { return op_Id; }
83 ir_op *op_Bad; ir_op *get_op_Bad (void) { return op_Bad; }
84 ir_op *op_Confirm; ir_op *get_op_Confirm (void) { return op_Confirm; }
86 ir_op *op_Unknown; ir_op *get_op_Unknown (void) { return op_Unknown; }
87 ir_op *op_Filter; ir_op *get_op_Filter (void) { return op_Filter; }
88 ir_op *op_Break; ir_op *get_op_Break (void) { return op_Break; }
89 ir_op *op_CallBegin; ir_op *get_op_CallBegin (void) { return op_CallBegin; }
90 ir_op *op_EndReg; ir_op *get_op_EndReg (void) { return op_EndReg; }
91 ir_op *op_EndExcept; ir_op *get_op_EndExcept (void) { return op_EndExcept; }
93 ir_op *op_NoMem; ir_op *get_op_NoMem (void) { return op_NoMem; }
94 ir_op *op_Mux; ir_op *get_op_Mux (void) { return op_Mux; }
95 ir_op *op_CopyB; ir_op *get_op_CopyB (void) { return op_CopyB; }
99 * Copies all attributes stored in the old node to the new node.
100 * Assumes both have the same opcode and sufficient size.
102 void default_copy_attr(const ir_node *old_node, ir_node *new_node) {
103 unsigned size = firm_add_node_size;
105 assert(get_irn_op(old_node) == get_irn_op(new_node));
106 memcpy(&new_node->attr, &old_node->attr, get_op_attr_size(get_irn_op(old_node)));
109 /* copy additional node data */
110 memcpy(get_irn_data(new_node, void, size), get_irn_data(old_node, void, size), size);
115 * Copies all attributes stored in the old node to the new node.
116 * Assumes both have the same opcode and sufficient size.
119 call_copy_attr(const ir_node *old_node, ir_node *new_node) {
120 default_copy_attr(old_node, new_node);
122 remove_Call_callee_arr(new_node);
126 block_copy_attr(const ir_node *old_node, ir_node *new_node)
128 default_copy_attr(old_node, new_node);
129 INIT_LIST_HEAD(&new_node->attr.block.succ_head);
133 * Sets the default copy_attr operation for an ir_ops
135 * @param code the opcode for the default operation
136 * @param ops the operations initialized
141 static ir_op_ops *firm_set_default_copy_attr(opcode code, ir_op_ops *ops) {
142 if (code == iro_Call)
143 ops->copy_attr = call_copy_attr;
144 else if (code == iro_Block)
145 ops->copy_attr = block_copy_attr;
147 /* not allowed to be NULL */
148 if (! ops->copy_attr)
149 ops->copy_attr = default_copy_attr;
155 /* Creates a new ir operation. */
157 new_ir_op(opcode code, const char *name, op_pin_state p,
158 unsigned flags, op_arity opar, int op_index, size_t attr_size,
159 const ir_op_ops *ops)
163 res = (ir_op *)xmalloc(sizeof(*res));
164 memset(res, 0, sizeof(*res));
167 res->name = new_id_from_chars(name, strlen(name));
168 res->op_pin_state_pinned = p;
169 res->attr_size = attr_size;
172 res->op_index = op_index;
175 memcpy(&res->ops, ops, sizeof(res->ops));
176 else /* no given ops, set all operations to NULL */
177 memset(&res->ops, 0, sizeof(res->ops));
179 firm_set_default_operations(code, &res->ops);
180 firm_set_default_copy_attr(code, &res->ops);
181 firm_set_default_verifyer(code, &res->ops);
182 firm_set_default_reassoc(code, &res->ops);
188 void free_ir_op(ir_op *code) {
189 hook_free_ir_op(code);
196 #define N irop_flag_none
197 #define L irop_flag_labeled
198 #define C irop_flag_commutative
199 #define X irop_flag_cfopcode
200 #define I irop_flag_ip_cfopcode
201 #define F irop_flag_fragile
202 #define Y irop_flag_forking
203 #define H irop_flag_highlevel
204 #define c irop_flag_constlike
206 op_Block = new_ir_op(iro_Block, "Block", op_pin_state_pinned, L, oparity_variable, -1, sizeof(block_attr), NULL);
208 op_Start = new_ir_op(iro_Start, "Start", op_pin_state_pinned, X, oparity_zero, -1, sizeof(start_attr), NULL);
209 op_End = new_ir_op(iro_End, "End", op_pin_state_pinned, X, oparity_dynamic, -1, 0, NULL);
210 op_Jmp = new_ir_op(iro_Jmp, "Jmp", op_pin_state_pinned, X, oparity_zero, -1, 0, NULL);
211 op_IJmp = new_ir_op(iro_IJmp, "IJmp", op_pin_state_pinned, X, oparity_unary, -1, 0, NULL);
212 op_Cond = new_ir_op(iro_Cond, "Cond", op_pin_state_pinned, L|X|Y, oparity_any, -1, sizeof(cond_attr), NULL);
213 op_Return = new_ir_op(iro_Return, "Return", op_pin_state_pinned, L|X, oparity_zero, -1, 0, NULL);
214 op_Raise = new_ir_op(iro_Raise, "Raise", op_pin_state_pinned, L|X, oparity_any, -1, 0, NULL);
216 op_Const = new_ir_op(iro_Const, "Const", op_pin_state_floats, c, oparity_zero, -1, sizeof(const_attr), NULL);
217 op_SymConst = new_ir_op(iro_SymConst, "SymConst", op_pin_state_floats, c, oparity_zero, -1, sizeof(symconst_attr), NULL);
219 op_Sel = new_ir_op(iro_Sel, "Sel", op_pin_state_floats, L, oparity_any, -1, sizeof(sel_attr), NULL);
220 op_InstOf = new_ir_op(iro_InstOf, "InstOf", op_pin_state_floats, L, oparity_any, -1, sizeof(sel_attr), NULL);
222 op_Call = new_ir_op(iro_Call, "Call", op_pin_state_mem_pinned, L|F, oparity_variable, -1, sizeof(call_attr), NULL);
223 op_Add = new_ir_op(iro_Add, "Add", op_pin_state_floats, C, oparity_binary, 0, 0, NULL);
224 op_Minus = new_ir_op(iro_Minus, "Minus", op_pin_state_floats, N, oparity_unary, 0, 0, NULL);
225 op_Sub = new_ir_op(iro_Sub, "Sub", op_pin_state_floats, N, oparity_binary, 0, 0, NULL);
226 op_Mul = new_ir_op(iro_Mul, "Mul", op_pin_state_floats, C, oparity_binary, 0, 0, NULL);
227 op_Quot = new_ir_op(iro_Quot, "Quot", op_pin_state_exc_pinned, L|F, oparity_binary, 1, sizeof(except_attr), NULL);
228 op_DivMod = new_ir_op(iro_DivMod, "DivMod", op_pin_state_exc_pinned, L|F, oparity_binary, 1, sizeof(except_attr), NULL);
229 op_Div = new_ir_op(iro_Div, "Div", op_pin_state_exc_pinned, L|F, oparity_binary, 1, sizeof(except_attr), NULL);
230 op_Mod = new_ir_op(iro_Mod, "Mod", op_pin_state_exc_pinned, L|F, oparity_binary, 1, sizeof(except_attr), NULL);
231 op_Abs = new_ir_op(iro_Abs, "Abs", op_pin_state_floats, N, oparity_unary, 0, 0, NULL);
232 op_And = new_ir_op(iro_And, "And", op_pin_state_floats, C, oparity_binary, 0, 0, NULL);
233 op_Or = new_ir_op(iro_Or, "Or", op_pin_state_floats, C, oparity_binary, 0, 0, NULL);
234 op_Eor = new_ir_op(iro_Eor, "Eor", op_pin_state_floats, C, oparity_binary, 0, 0, NULL);
235 op_Not = new_ir_op(iro_Not, "Not", op_pin_state_floats, N, oparity_unary, 0, 0, NULL);
236 op_Cmp = new_ir_op(iro_Cmp, "Cmp", op_pin_state_floats, L, oparity_binary, 0, 0, NULL);
237 op_Shl = new_ir_op(iro_Shl, "Shl", op_pin_state_floats, L, oparity_binary, 0, 0, NULL);
238 op_Shr = new_ir_op(iro_Shr, "Shr", op_pin_state_floats, L, oparity_binary, 0, 0, NULL);
239 op_Shrs = new_ir_op(iro_Shrs, "Shrs", op_pin_state_floats, L, oparity_binary, 0, 0, NULL);
240 op_Rot = new_ir_op(iro_Rot, "Rot", op_pin_state_floats, L, oparity_binary, 0, 0, NULL);
241 op_Conv = new_ir_op(iro_Conv, "Conv", op_pin_state_floats, N, oparity_unary, 0, 0, NULL);
242 op_Cast = new_ir_op(iro_Cast, "Cast", op_pin_state_floats, N|H, oparity_unary, 0, sizeof(cast_attr), NULL);
244 op_Phi = new_ir_op(iro_Phi, "Phi", op_pin_state_pinned, L, oparity_variable, -1, sizeof(int), NULL);
246 op_Load = new_ir_op(iro_Load, "Load", op_pin_state_exc_pinned, L|F, oparity_any, -1, sizeof(load_attr), NULL);
247 op_Store = new_ir_op(iro_Store, "Store", op_pin_state_exc_pinned, L|F, oparity_any, -1, sizeof(store_attr), NULL);
248 op_Alloc = new_ir_op(iro_Alloc, "Alloc", op_pin_state_pinned, L|F, oparity_any, -1, sizeof(alloc_attr), NULL);
249 op_Free = new_ir_op(iro_Free, "Free", op_pin_state_pinned, L, oparity_any, -1, sizeof(free_attr), NULL);
250 op_Sync = new_ir_op(iro_Sync, "Sync", op_pin_state_pinned, N, oparity_any, -1, 0, NULL);
252 op_Proj = new_ir_op(iro_Proj, "Proj", op_pin_state_floats, N, oparity_any, -1, sizeof(long), NULL);
253 op_Tuple = new_ir_op(iro_Tuple, "Tuple", op_pin_state_floats, L, oparity_variable, -1, 0, NULL);
254 op_Id = new_ir_op(iro_Id, "Id", op_pin_state_floats, N, oparity_any, -1, 0, NULL);
255 op_Bad = new_ir_op(iro_Bad, "Bad", op_pin_state_pinned, X|F, oparity_zero, -1, 0, NULL);
256 op_Confirm = new_ir_op(iro_Confirm, "Confirm", op_pin_state_floats, L|H, oparity_any, -1, sizeof(confirm_attr), NULL);
258 op_Unknown = new_ir_op(iro_Unknown, "Unknown", op_pin_state_pinned, X|F, oparity_zero, -1, 0, NULL);
259 op_Filter = new_ir_op(iro_Filter, "Filter", op_pin_state_pinned, L, oparity_variable, -1, sizeof(filter_attr), NULL);
260 op_Break = new_ir_op(iro_Break, "Break", op_pin_state_pinned, X, oparity_zero, -1, 0, NULL);
261 op_CallBegin = new_ir_op(iro_CallBegin, "CallBegin", op_pin_state_pinned, X|I, oparity_any, -1, sizeof(callbegin_attr), NULL);
262 op_EndReg = new_ir_op(iro_EndReg, "EndReg", op_pin_state_pinned, X|I, oparity_any, -1, sizeof(end_attr), NULL);
263 op_EndExcept = new_ir_op(iro_EndExcept, "EndExcept", op_pin_state_pinned, X|I, oparity_any, -1, sizeof(end_attr), NULL);
265 op_NoMem = new_ir_op(iro_NoMem, "NoMem", op_pin_state_pinned, N, oparity_zero, -1, 0, NULL);
266 op_Mux = new_ir_op(iro_Mux, "Mux", op_pin_state_floats, N, oparity_trinary, -1, 0, NULL);
267 op_CopyB = new_ir_op(iro_CopyB, "CopyB", op_pin_state_mem_pinned, L|F|H, oparity_trinary, -1, sizeof(copyb_attr), NULL);
279 /* free memory used by irop module. */
280 void finish_op(void) {
281 free_ir_op (op_Block ); op_Block = NULL;
283 free_ir_op (op_Start ); op_Start = NULL;
284 free_ir_op (op_End ); op_End = NULL;
285 free_ir_op (op_Jmp ); op_Jmp = NULL;
286 free_ir_op (op_Cond ); op_Cond = NULL;
287 free_ir_op (op_Return ); op_Return = NULL;
288 free_ir_op (op_Raise ); op_Raise = NULL;
290 free_ir_op (op_Const ); op_Const = NULL;
291 free_ir_op (op_SymConst ); op_SymConst = NULL;
293 free_ir_op (op_Sel ); op_Sel = NULL;
294 free_ir_op (op_InstOf ); op_InstOf = NULL;
296 free_ir_op (op_Call ); op_Call = NULL;
297 free_ir_op (op_Add ); op_Add = NULL;
298 free_ir_op (op_Minus ); op_Minus = NULL;
299 free_ir_op (op_Sub ); op_Sub = NULL;
300 free_ir_op (op_Mul ); op_Mul = NULL;
301 free_ir_op (op_Quot ); op_Quot = NULL;
302 free_ir_op (op_DivMod ); op_DivMod = NULL;
303 free_ir_op (op_Div ); op_Div = NULL;
304 free_ir_op (op_Mod ); op_Mod = NULL;
305 free_ir_op (op_Abs ); op_Abs = NULL;
306 free_ir_op (op_And ); op_And = NULL;
307 free_ir_op (op_Or ); op_Or = NULL;
308 free_ir_op (op_Eor ); op_Eor = NULL;
309 free_ir_op (op_Not ); op_Not = NULL;
310 free_ir_op (op_Cmp ); op_Cmp = NULL;
311 free_ir_op (op_Shl ); op_Shl = NULL;
312 free_ir_op (op_Shr ); op_Shr = NULL;
313 free_ir_op (op_Shrs ); op_Shrs = NULL;
314 free_ir_op (op_Rot ); op_Rot = NULL;
315 free_ir_op (op_Conv ); op_Conv = NULL;
316 free_ir_op (op_Cast ); op_Cast = NULL;
318 free_ir_op (op_Phi ); op_Phi = NULL;
320 free_ir_op (op_Load ); op_Load = NULL;
321 free_ir_op (op_Store ); op_Store = NULL;
322 free_ir_op (op_Alloc ); op_Alloc = NULL;
323 free_ir_op (op_Free ); op_Free = NULL;
324 free_ir_op (op_Sync ); op_Sync = NULL;
326 free_ir_op (op_Proj ); op_Proj = NULL;
327 free_ir_op (op_Tuple ); op_Tuple = NULL;
328 free_ir_op (op_Id ); op_Id = NULL;
329 free_ir_op (op_Bad ); op_Bad = NULL;
330 free_ir_op (op_Confirm ); op_Confirm = NULL;
332 free_ir_op (op_Unknown ); op_Unknown = NULL;
333 free_ir_op (op_Filter ); op_Filter = NULL;
334 free_ir_op (op_Break ); op_Break = NULL;
335 free_ir_op (op_CallBegin); op_CallBegin = NULL;
336 free_ir_op (op_EndReg ); op_EndReg = NULL;
337 free_ir_op (op_EndExcept); op_EndExcept = NULL;
339 free_ir_op (op_NoMem ); op_NoMem = NULL;
340 free_ir_op (op_Mux ); op_Mux = NULL;
341 free_ir_op (op_CopyB ); op_CopyB = NULL;
344 /* Returns the string for the opcode. */
345 const char *get_op_name (const ir_op *op) {
346 return get_id_str(op->name);
349 opcode (get_op_code)(const ir_op *op){
350 return _get_op_code(op);
353 ident *(get_op_ident)(const ir_op *op){
354 return _get_op_ident(op);
357 const char *get_op_pin_state_name(op_pin_state s) {
359 #define XXX(s) case s: return #s
360 XXX(op_pin_state_floats);
361 XXX(op_pin_state_pinned);
362 XXX(op_pin_state_exc_pinned);
363 XXX(op_pin_state_mem_pinned);
369 op_pin_state (get_op_pinned)(const ir_op *op) {
370 return _get_op_pinned(op);
373 /* Sets op_pin_state_pinned in the opcode. Setting it to floating has no effect
374 for Phi, Block and control flow nodes. */
375 void set_op_pinned(ir_op *op, op_pin_state op_pin_state_pinned) {
376 if (op == op_Block || op == op_Phi || is_cfopcode(op)) return;
377 op->op_pin_state_pinned = op_pin_state_pinned;
380 /* retrieve the next free opcode */
381 unsigned get_next_ir_opcode(void) {
385 /* Returns the generic function pointer from an ir operation. */
386 op_func (get_generic_function_ptr)(const ir_op *op) {
387 return _get_generic_function_ptr(op);
390 /* Store a generic function pointer into an ir operation. */
391 void (set_generic_function_ptr)(ir_op *op, op_func func) {
392 _set_generic_function_ptr(op, func);
395 /* Returns the ir_op_ops of an ir_op. */
396 const ir_op_ops *(get_op_ops)(const ir_op *op) {
397 return _get_op_ops(op);