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_Div(ir_node *node)
82 ir_mode *mode = get_Div_resmode(node);
83 assert(mode_is_float(mode));
84 return transform_binop(node, new_bd_TEMPLATE_fDiv);
87 static ir_node *gen_Shl(ir_node *node)
89 return transform_binop(node, new_bd_TEMPLATE_Shl);
92 static ir_node *gen_Shr(ir_node *node)
94 return transform_binop(node, new_bd_TEMPLATE_Shr);
97 static ir_node *gen_Add(ir_node *node)
99 ir_mode *mode = get_irn_mode(node);
101 if (mode_is_float(mode)) {
102 return transform_binop(node, new_bd_TEMPLATE_fAdd);
104 return transform_binop(node, new_bd_TEMPLATE_Add);
107 static ir_node *gen_Sub(ir_node *node)
109 ir_mode *mode = get_irn_mode(node);
111 if (mode_is_float(mode)) {
112 return transform_binop(node, new_bd_TEMPLATE_fSub);
114 return transform_binop(node, new_bd_TEMPLATE_Sub);
117 static ir_node *gen_Mul(ir_node *node)
119 ir_mode *mode = get_irn_mode(node);
121 if (mode_is_float(mode)) {
122 return transform_binop(node, new_bd_TEMPLATE_fMul);
124 return transform_binop(node, new_bd_TEMPLATE_Mul);
128 typedef ir_node* (*new_unop_func)(dbg_info *dbgi, ir_node *block, ir_node *op);
130 static ir_node *transform_unop(ir_node *node, new_unop_func new_func)
132 ir_node *block = get_nodes_block(node);
133 ir_node *new_block = be_transform_node(block);
134 dbg_info *dbgi = get_irn_dbg_info(node);
135 ir_node *op = get_unop_op(node);
136 ir_node *new_op = be_transform_node(op);
138 return new_func(dbgi, new_block, new_op);
141 static ir_node *gen_Minus(ir_node *node)
143 ir_mode *mode = get_irn_mode(node);
145 if (mode_is_float(mode)) {
146 return transform_unop(node, new_bd_TEMPLATE_fMinus);
148 return transform_unop(node, new_bd_TEMPLATE_Minus);
151 static ir_node *gen_Not(ir_node *node)
153 return transform_unop(node, new_bd_TEMPLATE_Not);
156 static ir_node *gen_Const(ir_node *node)
158 ir_node *block = get_nodes_block(node);
159 ir_node *new_block = be_transform_node(block);
160 dbg_info *dbgi = get_irn_dbg_info(node);
161 ir_tarval *value = get_Const_tarval(node);
164 result = new_bd_TEMPLATE_Const(dbgi, new_block, value);
169 static ir_node *gen_Load(ir_node *node)
171 ir_node *block = get_nodes_block(node);
172 ir_node *new_block = be_transform_node(block);
173 dbg_info *dbgi = get_irn_dbg_info(node);
174 ir_node *ptr = get_Load_ptr(node);
175 ir_node *new_ptr = be_transform_node(ptr);
176 ir_node *mem = get_Load_mem(node);
177 ir_node *new_mem = be_transform_node(mem);
178 ir_mode *mode = get_irn_mode(node);
180 if (mode_is_float(mode)) {
181 return new_bd_TEMPLATE_fLoad(dbgi, new_block, new_ptr, new_mem, mode);
183 return new_bd_TEMPLATE_Load(dbgi, new_block, new_ptr, new_mem, mode);
186 static ir_node *gen_Store(ir_node *node)
188 ir_node *block = get_nodes_block(node);
189 ir_node *new_block = be_transform_node(block);
190 dbg_info *dbgi = get_irn_dbg_info(node);
191 ir_node *ptr = get_Store_ptr(node);
192 ir_node *new_ptr = be_transform_node(ptr);
193 ir_node *val = get_Store_value(node);
194 ir_node *new_val = be_transform_node(val);
195 ir_node *mem = get_Store_mem(node);
196 ir_node *new_mem = be_transform_node(mem);
197 ir_mode *mode = get_irn_mode(node);
199 if (mode_is_float(mode)) {
200 return new_bd_TEMPLATE_fStore(dbgi, new_block, new_ptr, new_val, new_mem, mode);
202 return new_bd_TEMPLATE_Store(dbgi, new_block, new_ptr, new_mem, new_val, mode);
205 static ir_node *gen_Jmp(ir_node *node)
207 ir_node *block = get_nodes_block(node);
208 ir_node *new_block = be_transform_node(block);
209 dbg_info *dbgi = get_irn_dbg_info(node);
211 return new_bd_TEMPLATE_Jmp(dbgi, new_block);
215 * returns true if mode should be stored in a general purpose register
217 static inline bool mode_needs_gp_reg(ir_mode *mode)
219 return mode_is_int(mode) || mode_is_reference(mode);
222 static ir_node *gen_Phi(ir_node *node)
224 const arch_register_req_t *req;
225 ir_node *block = get_nodes_block(node);
226 ir_node *new_block = be_transform_node(block);
227 dbg_info *dbgi = get_irn_dbg_info(node);
228 ir_mode *mode = get_irn_mode(node);
229 ir_graph *irg = get_irn_irg(node);
232 if (mode_needs_gp_reg(mode)) {
234 req = TEMPLATE_reg_classes[CLASS_TEMPLATE_gp].class_req;
236 req = arch_no_register_req;
239 phi = new_ir_node(dbgi, irg, new_block, op_Phi, mode, get_irn_arity(node),
241 copy_node_attr(irg, node, phi);
242 be_duplicate_deps(node, phi);
244 arch_set_out_register_req(phi, 0, req);
245 be_enqueue_preds(node);
249 static void TEMPLATE_register_transformers(void)
251 be_start_transform_setup();
253 be_set_transform_function(op_Add, gen_Add);
254 be_set_transform_function(op_And, gen_And);
255 be_set_transform_function(op_Const, gen_Const);
256 be_set_transform_function(op_Div, gen_Div);
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_Shl, gen_Shl);
266 be_set_transform_function(op_Shr, gen_Shr);
267 be_set_transform_function(op_Store, gen_Store);
268 be_set_transform_function(op_Sub, gen_Sub);
272 * Transform generic IR-nodes into TEMPLATE machine instructions
274 void TEMPLATE_transform_graph(ir_graph *irg)
276 TEMPLATE_register_transformers();
277 be_transform_graph(irg, NULL);
280 void TEMPLATE_init_transform(void)
282 FIRM_DBG_REGISTER(dbg, "firm.be.TEMPLATE.transform");