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 code selection (transform FIRM into TEMPLATE FIRM)
27 #include "irgraph_t.h"
37 #include "betranshlp.h"
38 #include "bearch_TEMPLATE_t.h"
40 #include "TEMPLATE_nodes_attr.h"
41 #include "TEMPLATE_transform.h"
42 #include "TEMPLATE_new_nodes.h"
44 #include "gen_TEMPLATE_regalloc_if.h"
46 DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)
48 typedef ir_node* (*new_binop_func)(dbg_info *dbgi, ir_node *block,
49 ir_node *left, ir_node *right);
51 static ir_node *transform_binop(ir_node *node, new_binop_func new_func)
53 ir_node *block = get_nodes_block(node);
54 ir_node *new_block = be_transform_node(block);
55 dbg_info *dbgi = get_irn_dbg_info(node);
56 ir_node *left = get_binop_left(node);
57 ir_node *new_left = be_transform_node(left);
58 ir_node *right = get_binop_right(node);
59 ir_node *new_right = be_transform_node(right);
61 return new_func(dbgi, new_block, new_left, new_right);
64 static ir_node *gen_And(ir_node *node)
66 return transform_binop(node, new_bd_TEMPLATE_And);
69 static ir_node *gen_Or(ir_node *node)
71 return transform_binop(node, new_bd_TEMPLATE_Or);
74 static ir_node *gen_Eor(ir_node *node)
76 return transform_binop(node, new_bd_TEMPLATE_Xor);
79 static ir_node *gen_Div(ir_node *node)
81 ir_mode *mode = get_Div_resmode(node);
82 assert(mode_is_float(mode));
83 return transform_binop(node, new_bd_TEMPLATE_fDiv);
86 static ir_node *gen_Shl(ir_node *node)
88 ir_mode *mode = get_irn_mode(node);
89 if (get_mode_modulo_shift(mode) != 32)
90 panic("modulo shift!=32 not supported by TEMPLATE backend");
91 return transform_binop(node, new_bd_TEMPLATE_Shl);
94 static ir_node *gen_Shr(ir_node *node)
96 ir_mode *mode = get_irn_mode(node);
97 if (get_mode_modulo_shift(mode) != 32)
98 panic("modulo shift!=32 not supported by TEMPLATE backend");
99 return transform_binop(node, new_bd_TEMPLATE_Shr);
102 static ir_node *gen_Add(ir_node *node)
104 ir_mode *mode = get_irn_mode(node);
106 if (mode_is_float(mode)) {
107 return transform_binop(node, new_bd_TEMPLATE_fAdd);
109 return transform_binop(node, new_bd_TEMPLATE_Add);
112 static ir_node *gen_Sub(ir_node *node)
114 ir_mode *mode = get_irn_mode(node);
116 if (mode_is_float(mode)) {
117 return transform_binop(node, new_bd_TEMPLATE_fSub);
119 return transform_binop(node, new_bd_TEMPLATE_Sub);
122 static ir_node *gen_Mul(ir_node *node)
124 ir_mode *mode = get_irn_mode(node);
126 if (mode_is_float(mode)) {
127 return transform_binop(node, new_bd_TEMPLATE_fMul);
129 return transform_binop(node, new_bd_TEMPLATE_Mul);
133 typedef ir_node* (*new_unop_func)(dbg_info *dbgi, ir_node *block, ir_node *op);
135 static ir_node *transform_unop(ir_node *node, new_unop_func new_func)
137 ir_node *block = get_nodes_block(node);
138 ir_node *new_block = be_transform_node(block);
139 dbg_info *dbgi = get_irn_dbg_info(node);
140 ir_node *op = get_unop_op(node);
141 ir_node *new_op = be_transform_node(op);
143 return new_func(dbgi, new_block, new_op);
146 static ir_node *gen_Minus(ir_node *node)
148 ir_mode *mode = get_irn_mode(node);
150 if (mode_is_float(mode)) {
151 return transform_unop(node, new_bd_TEMPLATE_fMinus);
153 return transform_unop(node, new_bd_TEMPLATE_Minus);
156 static ir_node *gen_Not(ir_node *node)
158 return transform_unop(node, new_bd_TEMPLATE_Not);
161 static ir_node *gen_Const(ir_node *node)
163 ir_node *block = get_nodes_block(node);
164 ir_node *new_block = be_transform_node(block);
165 dbg_info *dbgi = get_irn_dbg_info(node);
166 ir_tarval *value = get_Const_tarval(node);
169 result = new_bd_TEMPLATE_Const(dbgi, new_block, value);
174 static ir_node *gen_Load(ir_node *node)
176 ir_node *block = get_nodes_block(node);
177 ir_node *new_block = be_transform_node(block);
178 dbg_info *dbgi = get_irn_dbg_info(node);
179 ir_node *ptr = get_Load_ptr(node);
180 ir_node *new_ptr = be_transform_node(ptr);
181 ir_node *mem = get_Load_mem(node);
182 ir_node *new_mem = be_transform_node(mem);
183 ir_mode *mode = get_irn_mode(node);
185 if (mode_is_float(mode)) {
186 return new_bd_TEMPLATE_fLoad(dbgi, new_block, new_ptr, new_mem, mode);
188 return new_bd_TEMPLATE_Load(dbgi, new_block, new_ptr, new_mem, mode);
191 static ir_node *gen_Store(ir_node *node)
193 ir_node *block = get_nodes_block(node);
194 ir_node *new_block = be_transform_node(block);
195 dbg_info *dbgi = get_irn_dbg_info(node);
196 ir_node *ptr = get_Store_ptr(node);
197 ir_node *new_ptr = be_transform_node(ptr);
198 ir_node *val = get_Store_value(node);
199 ir_node *new_val = be_transform_node(val);
200 ir_node *mem = get_Store_mem(node);
201 ir_node *new_mem = be_transform_node(mem);
202 ir_mode *mode = get_irn_mode(node);
204 if (mode_is_float(mode)) {
205 return new_bd_TEMPLATE_fStore(dbgi, new_block, new_ptr, new_val, new_mem, mode);
207 return new_bd_TEMPLATE_Store(dbgi, new_block, new_ptr, new_mem, new_val, mode);
210 static ir_node *gen_Jmp(ir_node *node)
212 ir_node *block = get_nodes_block(node);
213 ir_node *new_block = be_transform_node(block);
214 dbg_info *dbgi = get_irn_dbg_info(node);
216 return new_bd_TEMPLATE_Jmp(dbgi, new_block);
220 * returns true if mode should be stored in a general purpose register
222 static inline bool mode_needs_gp_reg(ir_mode *mode)
224 return mode_is_int(mode) || mode_is_reference(mode);
227 static ir_node *gen_Phi(ir_node *node)
229 const arch_register_req_t *req;
230 ir_node *block = get_nodes_block(node);
231 ir_node *new_block = be_transform_node(block);
232 dbg_info *dbgi = get_irn_dbg_info(node);
233 ir_mode *mode = get_irn_mode(node);
234 ir_graph *irg = get_irn_irg(node);
237 if (mode_needs_gp_reg(mode)) {
239 req = TEMPLATE_reg_classes[CLASS_TEMPLATE_gp].class_req;
241 req = arch_no_register_req;
244 phi = new_ir_node(dbgi, irg, new_block, op_Phi, mode, get_irn_arity(node),
246 copy_node_attr(irg, node, phi);
247 be_duplicate_deps(node, phi);
249 arch_set_irn_register_req_out(phi, 0, req);
250 be_enqueue_preds(node);
254 static void TEMPLATE_register_transformers(void)
256 be_start_transform_setup();
258 be_set_transform_function(op_Add, gen_Add);
259 be_set_transform_function(op_And, gen_And);
260 be_set_transform_function(op_Const, gen_Const);
261 be_set_transform_function(op_Div, gen_Div);
262 be_set_transform_function(op_Eor, gen_Eor);
263 be_set_transform_function(op_Jmp, gen_Jmp);
264 be_set_transform_function(op_Load, gen_Load);
265 be_set_transform_function(op_Minus, gen_Minus);
266 be_set_transform_function(op_Mul, gen_Mul);
267 be_set_transform_function(op_Not, gen_Not);
268 be_set_transform_function(op_Or, gen_Or);
269 be_set_transform_function(op_Phi, gen_Phi);
270 be_set_transform_function(op_Shl, gen_Shl);
271 be_set_transform_function(op_Shr, gen_Shr);
272 be_set_transform_function(op_Store, gen_Store);
273 be_set_transform_function(op_Sub, gen_Sub);
277 * Transform generic IR-nodes into TEMPLATE machine instructions
279 void TEMPLATE_transform_graph(ir_graph *irg)
281 TEMPLATE_register_transformers();
282 be_transform_graph(irg, NULL);
285 void TEMPLATE_init_transform(void)
287 FIRM_DBG_REGISTER(dbg, "firm.be.TEMPLATE.transform");