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)
28 #include "irgraph_t.h"
37 #include "../benode.h"
38 #include "../betranshlp.h"
39 #include "bearch_TEMPLATE_t.h"
41 #include "TEMPLATE_nodes_attr.h"
42 #include "TEMPLATE_transform.h"
43 #include "TEMPLATE_new_nodes.h"
45 #include "gen_TEMPLATE_regalloc_if.h"
47 DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)
49 typedef ir_node* (*new_binop_func)(dbg_info *dbgi, ir_node *block,
50 ir_node *left, ir_node *right);
52 static ir_node *transform_binop(ir_node *node, new_binop_func new_func)
54 ir_node *block = get_nodes_block(node);
55 ir_node *new_block = be_transform_node(block);
56 dbg_info *dbgi = get_irn_dbg_info(node);
57 ir_node *left = get_binop_left(node);
58 ir_node *new_left = be_transform_node(left);
59 ir_node *right = get_binop_right(node);
60 ir_node *new_right = be_transform_node(right);
62 return new_func(dbgi, new_block, new_left, new_right);
65 static ir_node *gen_And(ir_node *node)
67 return transform_binop(node, new_bd_TEMPLATE_And);
70 static ir_node *gen_Or(ir_node *node)
72 return transform_binop(node, new_bd_TEMPLATE_Or);
75 static ir_node *gen_Eor(ir_node *node)
77 return transform_binop(node, new_bd_TEMPLATE_Xor);
80 static ir_node *gen_Quot(ir_node *node)
82 return transform_binop(node, new_bd_TEMPLATE_fDiv);
85 static ir_node *gen_Shl(ir_node *node)
87 return transform_binop(node, new_bd_TEMPLATE_Shl);
90 static ir_node *gen_Shr(ir_node *node)
92 return transform_binop(node, new_bd_TEMPLATE_Shr);
95 static ir_node *gen_Add(ir_node *node)
97 ir_mode *mode = get_irn_mode(node);
99 if (mode_is_float(mode)) {
100 return transform_binop(node, new_bd_TEMPLATE_fAdd);
102 return transform_binop(node, new_bd_TEMPLATE_Add);
105 static ir_node *gen_Sub(ir_node *node)
107 ir_mode *mode = get_irn_mode(node);
109 if (mode_is_float(mode)) {
110 return transform_binop(node, new_bd_TEMPLATE_fSub);
112 return transform_binop(node, new_bd_TEMPLATE_Sub);
115 static ir_node *gen_Mul(ir_node *node)
117 ir_mode *mode = get_irn_mode(node);
119 if (mode_is_float(mode)) {
120 return transform_binop(node, new_bd_TEMPLATE_fMul);
122 return transform_binop(node, new_bd_TEMPLATE_Mul);
126 typedef ir_node* (*new_unop_func)(dbg_info *dbgi, ir_node *block, ir_node *op);
128 static ir_node *transform_unop(ir_node *node, new_unop_func new_func)
130 ir_node *block = get_nodes_block(node);
131 ir_node *new_block = be_transform_node(block);
132 dbg_info *dbgi = get_irn_dbg_info(node);
133 ir_node *op = get_unop_op(node);
134 ir_node *new_op = be_transform_node(op);
136 return new_func(dbgi, new_block, new_op);
139 static ir_node *gen_Minus(ir_node *node)
141 ir_mode *mode = get_irn_mode(node);
143 if (mode_is_float(mode)) {
144 return transform_unop(node, new_bd_TEMPLATE_fMinus);
146 return transform_unop(node, new_bd_TEMPLATE_Minus);
149 static ir_node *gen_Not(ir_node *node)
151 return transform_unop(node, new_bd_TEMPLATE_Not);
154 static ir_node *gen_Const(ir_node *node)
156 ir_node *block = get_nodes_block(node);
157 ir_node *new_block = be_transform_node(block);
158 dbg_info *dbgi = get_irn_dbg_info(node);
159 tarval *value = get_Const_tarval(node);
162 result = new_bd_TEMPLATE_Const(dbgi, new_block, value);
164 /* make sure the node does not float above the barrier into the prologue */
165 be_dep_on_frame(result);
170 static ir_node *gen_Load(ir_node *node)
172 ir_node *block = get_nodes_block(node);
173 ir_node *new_block = be_transform_node(block);
174 dbg_info *dbgi = get_irn_dbg_info(node);
175 ir_node *ptr = get_Load_ptr(node);
176 ir_node *new_ptr = be_transform_node(ptr);
177 ir_node *mem = get_Load_mem(node);
178 ir_node *new_mem = be_transform_node(mem);
179 ir_mode *mode = get_irn_mode(node);
181 if (mode_is_float(mode)) {
182 return new_bd_TEMPLATE_fLoad(dbgi, new_block, new_ptr, new_mem, mode);
184 return new_bd_TEMPLATE_Load(dbgi, new_block, new_ptr, new_mem, mode);
187 static ir_node *gen_Store(ir_node *node)
189 ir_node *block = get_nodes_block(node);
190 ir_node *new_block = be_transform_node(block);
191 dbg_info *dbgi = get_irn_dbg_info(node);
192 ir_node *ptr = get_Store_ptr(node);
193 ir_node *new_ptr = be_transform_node(ptr);
194 ir_node *val = get_Store_value(node);
195 ir_node *new_val = be_transform_node(val);
196 ir_node *mem = get_Store_mem(node);
197 ir_node *new_mem = be_transform_node(mem);
198 ir_mode *mode = get_irn_mode(node);
200 if (mode_is_float(mode)) {
201 return new_bd_TEMPLATE_fStore(dbgi, new_block, new_ptr, new_val, new_mem, mode);
203 return new_bd_TEMPLATE_Store(dbgi, new_block, new_ptr, new_mem, new_val, mode);
206 static ir_node *gen_Jmp(ir_node *node)
208 ir_node *block = get_nodes_block(node);
209 ir_node *new_block = be_transform_node(block);
210 dbg_info *dbgi = get_irn_dbg_info(node);
212 return new_bd_TEMPLATE_Jmp(dbgi, new_block);
216 * returns true if mode should be stored in a general purpose register
218 static inline bool mode_needs_gp_reg(ir_mode *mode)
220 return mode_is_int(mode) || mode_is_reference(mode);
223 static ir_node *gen_Phi(ir_node *node)
225 const arch_register_req_t *req;
226 ir_node *block = get_nodes_block(node);
227 ir_node *new_block = be_transform_node(block);
228 dbg_info *dbgi = get_irn_dbg_info(node);
229 ir_mode *mode = get_irn_mode(node);
230 ir_graph *irg = get_irn_irg(node);
233 if (mode_needs_gp_reg(mode)) {
235 req = TEMPLATE_reg_classes[CLASS_TEMPLATE_gp].class_req;
237 req = arch_no_register_req;
240 phi = new_ir_node(dbgi, irg, new_block, op_Phi, mode, get_irn_arity(node),
242 copy_node_attr(irg, node, phi);
243 be_duplicate_deps(node, phi);
245 arch_set_out_register_req(phi, 0, req);
246 be_enqueue_preds(node);
250 static void TEMPLATE_register_transformers(void)
252 be_start_transform_setup();
254 be_set_transform_function(op_Add, gen_Add);
255 be_set_transform_function(op_And, gen_And);
256 be_set_transform_function(op_Const, gen_Const);
257 be_set_transform_function(op_Eor, gen_Eor);
258 be_set_transform_function(op_Jmp, gen_Jmp);
259 be_set_transform_function(op_Load, gen_Load);
260 be_set_transform_function(op_Minus, gen_Minus);
261 be_set_transform_function(op_Mul, gen_Mul);
262 be_set_transform_function(op_Not, gen_Not);
263 be_set_transform_function(op_Or, gen_Or);
264 be_set_transform_function(op_Phi, gen_Phi);
265 be_set_transform_function(op_Quot, gen_Quot);
266 be_set_transform_function(op_Shl, gen_Shl);
267 be_set_transform_function(op_Shr, gen_Shr);
268 be_set_transform_function(op_Store, gen_Store);
269 be_set_transform_function(op_Sub, gen_Sub);
273 * Transform generic IR-nodes into TEMPLATE machine instructions
275 void TEMPLATE_transform_graph(ir_graph *irg)
277 TEMPLATE_register_transformers();
278 be_transform_graph(irg, NULL);
281 void TEMPLATE_init_transform(void)
283 FIRM_DBG_REGISTER(dbg, "firm.be.TEMPLATE.transform");