Mercurial > hg > truffle
annotate src/share/vm/adlc/output_h.cpp @ 15313:74c3ceb55e57
Override asNode() in FloatingNode and FixedWithNextNode.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Tue, 22 Apr 2014 16:21:37 +0200 |
parents | 4ca6dc0799b6 |
children | 89152779163c |
rev | line source |
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0 | 1 /* |
14909 | 2 * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
1552
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 // output_h.cpp - Class HPP file output routines for architecture definition | |
26 #include "adlc.hpp" | |
27 | |
6850 | 28 // The comment delimiter used in format statements after assembler instructions. |
29 #define commentSeperator "!" | |
0 | 30 |
31 // Generate the #define that describes the number of registers. | |
32 static void defineRegCount(FILE *fp, RegisterForm *registers) { | |
33 if (registers) { | |
34 int regCount = AdlcVMDeps::Physical + registers->_rdefs.count(); | |
35 fprintf(fp,"\n"); | |
36 fprintf(fp,"// the number of reserved registers + machine registers.\n"); | |
37 fprintf(fp,"#define REG_COUNT %d\n", regCount); | |
38 } | |
39 } | |
40 | |
41 // Output enumeration of machine register numbers | |
42 // (1) | |
43 // // Enumerate machine registers starting after reserved regs. | |
44 // // in the order of occurrence in the register block. | |
45 // enum MachRegisterNumbers { | |
46 // EAX_num = 0, | |
47 // ... | |
48 // _last_Mach_Reg | |
49 // } | |
50 void ArchDesc::buildMachRegisterNumbers(FILE *fp_hpp) { | |
51 if (_register) { | |
52 RegDef *reg_def = NULL; | |
53 | |
54 // Output a #define for the number of machine registers | |
55 defineRegCount(fp_hpp, _register); | |
56 | |
57 // Count all the Save_On_Entry and Always_Save registers | |
58 int saved_on_entry = 0; | |
59 int c_saved_on_entry = 0; | |
60 _register->reset_RegDefs(); | |
61 while( (reg_def = _register->iter_RegDefs()) != NULL ) { | |
62 if( strcmp(reg_def->_callconv,"SOE") == 0 || | |
63 strcmp(reg_def->_callconv,"AS") == 0 ) ++saved_on_entry; | |
64 if( strcmp(reg_def->_c_conv,"SOE") == 0 || | |
65 strcmp(reg_def->_c_conv,"AS") == 0 ) ++c_saved_on_entry; | |
66 } | |
67 fprintf(fp_hpp, "\n"); | |
68 fprintf(fp_hpp, "// the number of save_on_entry + always_saved registers.\n"); | |
69 fprintf(fp_hpp, "#define MAX_SAVED_ON_ENTRY_REG_COUNT %d\n", max(saved_on_entry,c_saved_on_entry)); | |
70 fprintf(fp_hpp, "#define SAVED_ON_ENTRY_REG_COUNT %d\n", saved_on_entry); | |
71 fprintf(fp_hpp, "#define C_SAVED_ON_ENTRY_REG_COUNT %d\n", c_saved_on_entry); | |
72 | |
73 // (1) | |
74 // Build definition for enumeration of register numbers | |
75 fprintf(fp_hpp, "\n"); | |
76 fprintf(fp_hpp, "// Enumerate machine register numbers starting after reserved regs.\n"); | |
77 fprintf(fp_hpp, "// in the order of occurrence in the register block.\n"); | |
78 fprintf(fp_hpp, "enum MachRegisterNumbers {\n"); | |
79 | |
80 // Output the register number for each register in the allocation classes | |
81 _register->reset_RegDefs(); | |
82 int i = 0; | |
83 while( (reg_def = _register->iter_RegDefs()) != NULL ) { | |
6850 | 84 fprintf(fp_hpp," %s_num,", reg_def->_regname); |
85 for (int j = 0; j < 20-(int)strlen(reg_def->_regname); j++) fprintf(fp_hpp, " "); | |
86 fprintf(fp_hpp," // enum %3d, regnum %3d, reg encode %3s\n", | |
87 i++, | |
88 reg_def->register_num(), | |
89 reg_def->register_encode()); | |
0 | 90 } |
91 // Finish defining enumeration | |
6850 | 92 fprintf(fp_hpp, " _last_Mach_Reg // %d\n", i); |
0 | 93 fprintf(fp_hpp, "};\n"); |
94 } | |
95 | |
96 fprintf(fp_hpp, "\n// Size of register-mask in ints\n"); | |
97 fprintf(fp_hpp, "#define RM_SIZE %d\n",RegisterForm::RegMask_Size()); | |
98 fprintf(fp_hpp, "// Unroll factor for loops over the data in a RegMask\n"); | |
99 fprintf(fp_hpp, "#define FORALL_BODY "); | |
100 int len = RegisterForm::RegMask_Size(); | |
101 for( int i = 0; i < len; i++ ) | |
102 fprintf(fp_hpp, "BODY(%d) ",i); | |
103 fprintf(fp_hpp, "\n\n"); | |
104 | |
105 fprintf(fp_hpp,"class RegMask;\n"); | |
106 // All RegMasks are declared "extern const ..." in ad_<arch>.hpp | |
107 // fprintf(fp_hpp,"extern RegMask STACK_OR_STACK_SLOTS_mask;\n\n"); | |
108 } | |
109 | |
110 | |
111 // Output enumeration of machine register encodings | |
112 // (2) | |
113 // // Enumerate machine registers starting after reserved regs. | |
114 // // in the order of occurrence in the alloc_class(es). | |
115 // enum MachRegisterEncodes { | |
116 // EAX_enc = 0x00, | |
117 // ... | |
118 // } | |
119 void ArchDesc::buildMachRegisterEncodes(FILE *fp_hpp) { | |
120 if (_register) { | |
121 RegDef *reg_def = NULL; | |
122 RegDef *reg_def_next = NULL; | |
123 | |
124 // (2) | |
125 // Build definition for enumeration of encode values | |
126 fprintf(fp_hpp, "\n"); | |
127 fprintf(fp_hpp, "// Enumerate machine registers starting after reserved regs.\n"); | |
128 fprintf(fp_hpp, "// in the order of occurrence in the alloc_class(es).\n"); | |
129 fprintf(fp_hpp, "enum MachRegisterEncodes {\n"); | |
130 | |
6850 | 131 // Find max enum string length. |
132 size_t maxlen = 0; | |
133 _register->reset_RegDefs(); | |
134 reg_def = _register->iter_RegDefs(); | |
135 while (reg_def != NULL) { | |
136 size_t len = strlen(reg_def->_regname); | |
137 if (len > maxlen) maxlen = len; | |
138 reg_def = _register->iter_RegDefs(); | |
139 } | |
140 | |
0 | 141 // Output the register encoding for each register in the allocation classes |
142 _register->reset_RegDefs(); | |
143 reg_def_next = _register->iter_RegDefs(); | |
144 while( (reg_def = reg_def_next) != NULL ) { | |
145 reg_def_next = _register->iter_RegDefs(); | |
6850 | 146 fprintf(fp_hpp," %s_enc", reg_def->_regname); |
147 for (size_t i = strlen(reg_def->_regname); i < maxlen; i++) fprintf(fp_hpp, " "); | |
148 fprintf(fp_hpp," = %3s%s\n", reg_def->register_encode(), reg_def_next == NULL? "" : "," ); | |
0 | 149 } |
150 // Finish defining enumeration | |
151 fprintf(fp_hpp, "};\n"); | |
152 | |
153 } // Done with register form | |
154 } | |
155 | |
156 | |
157 // Declare an array containing the machine register names, strings. | |
158 static void declareRegNames(FILE *fp, RegisterForm *registers) { | |
159 if (registers) { | |
160 // fprintf(fp,"\n"); | |
161 // fprintf(fp,"// An array of character pointers to machine register names.\n"); | |
162 // fprintf(fp,"extern const char *regName[];\n"); | |
163 } | |
164 } | |
165 | |
166 // Declare an array containing the machine register sizes in 32-bit words. | |
167 void ArchDesc::declareRegSizes(FILE *fp) { | |
168 // regSize[] is not used | |
169 } | |
170 | |
171 // Declare an array containing the machine register encoding values | |
172 static void declareRegEncodes(FILE *fp, RegisterForm *registers) { | |
173 if (registers) { | |
174 // // // | |
175 // fprintf(fp,"\n"); | |
176 // fprintf(fp,"// An array containing the machine register encode values\n"); | |
177 // fprintf(fp,"extern const char regEncode[];\n"); | |
178 } | |
179 } | |
180 | |
181 | |
182 // --------------------------------------------------------------------------- | |
183 //------------------------------Utilities to build Instruction Classes-------- | |
184 // --------------------------------------------------------------------------- | |
185 static void out_RegMask(FILE *fp) { | |
186 fprintf(fp," virtual const RegMask &out_RegMask() const;\n"); | |
187 } | |
188 | |
189 // --------------------------------------------------------------------------- | |
190 //--------Utilities to build MachOper and MachNode derived Classes------------ | |
191 // --------------------------------------------------------------------------- | |
192 | |
193 //------------------------------Utilities to build Operand Classes------------ | |
194 static void in_RegMask(FILE *fp) { | |
195 fprintf(fp," virtual const RegMask *in_RegMask(int index) const;\n"); | |
196 } | |
197 | |
198 static void declareConstStorage(FILE *fp, FormDict &globals, OperandForm *oper) { | |
199 int i = 0; | |
200 Component *comp; | |
201 | |
202 if (oper->num_consts(globals) == 0) return; | |
203 // Iterate over the component list looking for constants | |
204 oper->_components.reset(); | |
205 if ((comp = oper->_components.iter()) == NULL) { | |
206 assert(oper->num_consts(globals) == 1, "Bad component list detected.\n"); | |
207 const char *type = oper->ideal_type(globals); | |
208 if (!strcmp(type, "ConI")) { | |
209 if (i > 0) fprintf(fp,", "); | |
210 fprintf(fp," int32 _c%d;\n", i); | |
211 } | |
212 else if (!strcmp(type, "ConP")) { | |
213 if (i > 0) fprintf(fp,", "); | |
214 fprintf(fp," const TypePtr *_c%d;\n", i); | |
215 } | |
113
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216 else if (!strcmp(type, "ConN")) { |
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217 if (i > 0) fprintf(fp,", "); |
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218 fprintf(fp," const TypeNarrowOop *_c%d;\n", i); |
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219 } |
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220 else if (!strcmp(type, "ConNKlass")) { |
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221 if (i > 0) fprintf(fp,", "); |
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222 fprintf(fp," const TypeNarrowKlass *_c%d;\n", i); |
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223 } |
0 | 224 else if (!strcmp(type, "ConL")) { |
225 if (i > 0) fprintf(fp,", "); | |
226 fprintf(fp," jlong _c%d;\n", i); | |
227 } | |
228 else if (!strcmp(type, "ConF")) { | |
229 if (i > 0) fprintf(fp,", "); | |
230 fprintf(fp," jfloat _c%d;\n", i); | |
231 } | |
232 else if (!strcmp(type, "ConD")) { | |
233 if (i > 0) fprintf(fp,", "); | |
234 fprintf(fp," jdouble _c%d;\n", i); | |
235 } | |
236 else if (!strcmp(type, "Bool")) { | |
237 fprintf(fp,"private:\n"); | |
238 fprintf(fp," BoolTest::mask _c%d;\n", i); | |
239 fprintf(fp,"public:\n"); | |
240 } | |
241 else { | |
242 assert(0, "Non-constant operand lacks component list."); | |
243 } | |
244 } // end if NULL | |
245 else { | |
246 oper->_components.reset(); | |
247 while ((comp = oper->_components.iter()) != NULL) { | |
248 if (!strcmp(comp->base_type(globals), "ConI")) { | |
249 fprintf(fp," jint _c%d;\n", i); | |
250 i++; | |
251 } | |
252 else if (!strcmp(comp->base_type(globals), "ConP")) { | |
253 fprintf(fp," const TypePtr *_c%d;\n", i); | |
254 i++; | |
255 } | |
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256 else if (!strcmp(comp->base_type(globals), "ConN")) { |
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257 fprintf(fp," const TypePtr *_c%d;\n", i); |
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258 i++; |
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259 } |
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260 else if (!strcmp(comp->base_type(globals), "ConNKlass")) { |
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261 fprintf(fp," const TypePtr *_c%d;\n", i); |
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262 i++; |
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263 } |
0 | 264 else if (!strcmp(comp->base_type(globals), "ConL")) { |
265 fprintf(fp," jlong _c%d;\n", i); | |
266 i++; | |
267 } | |
268 else if (!strcmp(comp->base_type(globals), "ConF")) { | |
269 fprintf(fp," jfloat _c%d;\n", i); | |
270 i++; | |
271 } | |
272 else if (!strcmp(comp->base_type(globals), "ConD")) { | |
273 fprintf(fp," jdouble _c%d;\n", i); | |
274 i++; | |
275 } | |
276 } | |
277 } | |
278 } | |
279 | |
280 // Declare constructor. | |
281 // Parameters start with condition code, then all other constants | |
282 // | |
283 // (0) public: | |
284 // (1) MachXOper(int32 ccode, int32 c0, int32 c1, ..., int32 cn) | |
285 // (2) : _ccode(ccode), _c0(c0), _c1(c1), ..., _cn(cn) { } | |
286 // | |
287 static void defineConstructor(FILE *fp, const char *name, uint num_consts, | |
288 ComponentList &lst, bool is_ideal_bool, | |
289 Form::DataType constant_type, FormDict &globals) { | |
290 fprintf(fp,"public:\n"); | |
291 // generate line (1) | |
292 fprintf(fp," %sOper(", name); | |
293 if( num_consts == 0 ) { | |
294 fprintf(fp,") {}\n"); | |
295 return; | |
296 } | |
297 | |
298 // generate parameters for constants | |
299 uint i = 0; | |
300 Component *comp; | |
301 lst.reset(); | |
302 if ((comp = lst.iter()) == NULL) { | |
303 assert(num_consts == 1, "Bad component list detected.\n"); | |
304 switch( constant_type ) { | |
305 case Form::idealI : { | |
306 fprintf(fp,is_ideal_bool ? "BoolTest::mask c%d" : "int32 c%d", i); | |
307 break; | |
308 } | |
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309 case Form::idealN : { fprintf(fp,"const TypeNarrowOop *c%d", i); break; } |
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310 case Form::idealNKlass : { fprintf(fp,"const TypeNarrowKlass *c%d", i); break; } |
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311 case Form::idealP : { fprintf(fp,"const TypePtr *c%d", i); break; } |
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312 case Form::idealL : { fprintf(fp,"jlong c%d", i); break; } |
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313 case Form::idealF : { fprintf(fp,"jfloat c%d", i); break; } |
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314 case Form::idealD : { fprintf(fp,"jdouble c%d", i); break; } |
0 | 315 default: |
316 assert(!is_ideal_bool, "Non-constant operand lacks component list."); | |
317 break; | |
318 } | |
319 } // end if NULL | |
320 else { | |
321 lst.reset(); | |
322 while((comp = lst.iter()) != NULL) { | |
323 if (!strcmp(comp->base_type(globals), "ConI")) { | |
324 if (i > 0) fprintf(fp,", "); | |
325 fprintf(fp,"int32 c%d", i); | |
326 i++; | |
327 } | |
328 else if (!strcmp(comp->base_type(globals), "ConP")) { | |
329 if (i > 0) fprintf(fp,", "); | |
330 fprintf(fp,"const TypePtr *c%d", i); | |
331 i++; | |
332 } | |
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333 else if (!strcmp(comp->base_type(globals), "ConN")) { |
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334 if (i > 0) fprintf(fp,", "); |
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335 fprintf(fp,"const TypePtr *c%d", i); |
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336 i++; |
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337 } |
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338 else if (!strcmp(comp->base_type(globals), "ConNKlass")) { |
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339 if (i > 0) fprintf(fp,", "); |
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340 fprintf(fp,"const TypePtr *c%d", i); |
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341 i++; |
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342 } |
0 | 343 else if (!strcmp(comp->base_type(globals), "ConL")) { |
344 if (i > 0) fprintf(fp,", "); | |
345 fprintf(fp,"jlong c%d", i); | |
346 i++; | |
347 } | |
348 else if (!strcmp(comp->base_type(globals), "ConF")) { | |
349 if (i > 0) fprintf(fp,", "); | |
350 fprintf(fp,"jfloat c%d", i); | |
351 i++; | |
352 } | |
353 else if (!strcmp(comp->base_type(globals), "ConD")) { | |
354 if (i > 0) fprintf(fp,", "); | |
355 fprintf(fp,"jdouble c%d", i); | |
356 i++; | |
357 } | |
358 else if (!strcmp(comp->base_type(globals), "Bool")) { | |
359 if (i > 0) fprintf(fp,", "); | |
360 fprintf(fp,"BoolTest::mask c%d", i); | |
361 i++; | |
362 } | |
363 } | |
364 } | |
365 // finish line (1) and start line (2) | |
366 fprintf(fp,") : "); | |
367 // generate initializers for constants | |
368 i = 0; | |
369 fprintf(fp,"_c%d(c%d)", i, i); | |
370 for( i = 1; i < num_consts; ++i) { | |
371 fprintf(fp,", _c%d(c%d)", i, i); | |
372 } | |
373 // The body for the constructor is empty | |
374 fprintf(fp," {}\n"); | |
375 } | |
376 | |
377 // --------------------------------------------------------------------------- | |
378 // Utilities to generate format rules for machine operands and instructions | |
379 // --------------------------------------------------------------------------- | |
380 | |
381 // Generate the format rule for condition codes | |
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382 static void defineCCodeDump(OperandForm* oper, FILE *fp, int i) { |
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383 assert(oper != NULL, "what"); |
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384 CondInterface* cond = oper->_interface->is_CondInterface(); |
6850 | 385 fprintf(fp, " if( _c%d == BoolTest::eq ) st->print(\"%s\");\n",i,cond->_equal_format); |
386 fprintf(fp, " else if( _c%d == BoolTest::ne ) st->print(\"%s\");\n",i,cond->_not_equal_format); | |
387 fprintf(fp, " else if( _c%d == BoolTest::le ) st->print(\"%s\");\n",i,cond->_less_equal_format); | |
388 fprintf(fp, " else if( _c%d == BoolTest::ge ) st->print(\"%s\");\n",i,cond->_greater_equal_format); | |
389 fprintf(fp, " else if( _c%d == BoolTest::lt ) st->print(\"%s\");\n",i,cond->_less_format); | |
390 fprintf(fp, " else if( _c%d == BoolTest::gt ) st->print(\"%s\");\n",i,cond->_greater_format); | |
12323 | 391 fprintf(fp, " else if( _c%d == BoolTest::overflow ) st->print(\"%s\");\n",i,cond->_overflow_format); |
392 fprintf(fp, " else if( _c%d == BoolTest::no_overflow ) st->print(\"%s\");\n",i,cond->_no_overflow_format); | |
0 | 393 } |
394 | |
395 // Output code that dumps constant values, increment "i" if type is constant | |
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396 static uint dump_spec_constant(FILE *fp, const char *ideal_type, uint i, OperandForm* oper) { |
0 | 397 if (!strcmp(ideal_type, "ConI")) { |
398 fprintf(fp," st->print(\"#%%d\", _c%d);\n", i); | |
6850 | 399 fprintf(fp," st->print(\"/0x%%08x\", _c%d);\n", i); |
0 | 400 ++i; |
401 } | |
402 else if (!strcmp(ideal_type, "ConP")) { | |
403 fprintf(fp," _c%d->dump_on(st);\n", i); | |
404 ++i; | |
405 } | |
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406 else if (!strcmp(ideal_type, "ConN")) { |
417 | 407 fprintf(fp," _c%d->dump_on(st);\n", i); |
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408 ++i; |
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409 } |
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410 else if (!strcmp(ideal_type, "ConNKlass")) { |
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411 fprintf(fp," _c%d->dump_on(st);\n", i); |
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412 ++i; |
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413 } |
0 | 414 else if (!strcmp(ideal_type, "ConL")) { |
415 fprintf(fp," st->print(\"#\" INT64_FORMAT, _c%d);\n", i); | |
6850 | 416 fprintf(fp," st->print(\"/\" PTR64_FORMAT, _c%d);\n", i); |
0 | 417 ++i; |
418 } | |
419 else if (!strcmp(ideal_type, "ConF")) { | |
420 fprintf(fp," st->print(\"#%%f\", _c%d);\n", i); | |
6850 | 421 fprintf(fp," jint _c%di = JavaValue(_c%d).get_jint();\n", i, i); |
422 fprintf(fp," st->print(\"/0x%%x/\", _c%di);\n", i); | |
0 | 423 ++i; |
424 } | |
425 else if (!strcmp(ideal_type, "ConD")) { | |
426 fprintf(fp," st->print(\"#%%f\", _c%d);\n", i); | |
6850 | 427 fprintf(fp," jlong _c%dl = JavaValue(_c%d).get_jlong();\n", i, i); |
428 fprintf(fp," st->print(\"/\" PTR64_FORMAT, _c%dl);\n", i); | |
0 | 429 ++i; |
430 } | |
431 else if (!strcmp(ideal_type, "Bool")) { | |
415
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432 defineCCodeDump(oper, fp,i); |
0 | 433 ++i; |
434 } | |
435 | |
436 return i; | |
437 } | |
438 | |
439 // Generate the format rule for an operand | |
440 void gen_oper_format(FILE *fp, FormDict &globals, OperandForm &oper, bool for_c_file = false) { | |
441 if (!for_c_file) { | |
442 // invoked after output #ifndef PRODUCT to ad_<arch>.hpp | |
443 // compile the bodies separately, to cut down on recompilations | |
444 fprintf(fp," virtual void int_format(PhaseRegAlloc *ra, const MachNode *node, outputStream *st) const;\n"); | |
445 fprintf(fp," virtual void ext_format(PhaseRegAlloc *ra, const MachNode *node, int idx, outputStream *st) const;\n"); | |
446 return; | |
447 } | |
448 | |
449 // Local pointer indicates remaining part of format rule | |
6850 | 450 int idx = 0; // position of operand in match rule |
0 | 451 |
452 // Generate internal format function, used when stored locally | |
453 fprintf(fp, "\n#ifndef PRODUCT\n"); | |
454 fprintf(fp,"void %sOper::int_format(PhaseRegAlloc *ra, const MachNode *node, outputStream *st) const {\n", oper._ident); | |
455 // Generate the user-defined portion of the format | |
456 if (oper._format) { | |
457 if ( oper._format->_strings.count() != 0 ) { | |
458 // No initialization code for int_format | |
459 | |
460 // Build the format from the entries in strings and rep_vars | |
461 const char *string = NULL; | |
462 oper._format->_rep_vars.reset(); | |
463 oper._format->_strings.reset(); | |
464 while ( (string = oper._format->_strings.iter()) != NULL ) { | |
465 | |
466 // Check if this is a standard string or a replacement variable | |
467 if ( string != NameList::_signal ) { | |
468 // Normal string | |
469 // Pass through to st->print | |
6850 | 470 fprintf(fp," st->print(\"%s\");\n", string); |
0 | 471 } else { |
472 // Replacement variable | |
473 const char *rep_var = oper._format->_rep_vars.iter(); | |
474 // Check that it is a local name, and an operand | |
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475 const Form* form = oper._localNames[rep_var]; |
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476 if (form == NULL) { |
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477 globalAD->syntax_err(oper._linenum, |
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478 "\'%s\' not found in format for %s\n", rep_var, oper._ident); |
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479 assert(form, "replacement variable was not found in local names"); |
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480 } |
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481 OperandForm *op = form->is_operand(); |
0 | 482 // Get index if register or constant |
483 if ( op->_matrule && op->_matrule->is_base_register(globals) ) { | |
484 idx = oper.register_position( globals, rep_var); | |
485 } | |
486 else if (op->_matrule && op->_matrule->is_base_constant(globals)) { | |
487 idx = oper.constant_position( globals, rep_var); | |
488 } else { | |
489 idx = 0; | |
490 } | |
491 | |
492 // output invocation of "$..."s format function | |
6850 | 493 if ( op != NULL ) op->int_format(fp, globals, idx); |
0 | 494 |
495 if ( idx == -1 ) { | |
496 fprintf(stderr, | |
497 "Using a name, %s, that isn't in match rule\n", rep_var); | |
498 assert( strcmp(op->_ident,"label")==0, "Unimplemented"); | |
499 } | |
500 } // Done with a replacement variable | |
501 } // Done with all format strings | |
502 } else { | |
503 // Default formats for base operands (RegI, RegP, ConI, ConP, ...) | |
504 oper.int_format(fp, globals, 0); | |
505 } | |
506 | |
507 } else { // oper._format == NULL | |
508 // Provide a few special case formats where the AD writer cannot. | |
509 if ( strcmp(oper._ident,"Universe")==0 ) { | |
510 fprintf(fp, " st->print(\"$$univ\");\n"); | |
511 } | |
512 // labelOper::int_format is defined in ad_<...>.cpp | |
513 } | |
514 // ALWAYS! Provide a special case output for condition codes. | |
515 if( oper.is_ideal_bool() ) { | |
415
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516 defineCCodeDump(&oper, fp,0); |
0 | 517 } |
518 fprintf(fp,"}\n"); | |
519 | |
520 // Generate external format function, when data is stored externally | |
521 fprintf(fp,"void %sOper::ext_format(PhaseRegAlloc *ra, const MachNode *node, int idx, outputStream *st) const {\n", oper._ident); | |
522 // Generate the user-defined portion of the format | |
523 if (oper._format) { | |
524 if ( oper._format->_strings.count() != 0 ) { | |
525 | |
526 // Check for a replacement string "$..." | |
527 if ( oper._format->_rep_vars.count() != 0 ) { | |
528 // Initialization code for ext_format | |
529 } | |
530 | |
531 // Build the format from the entries in strings and rep_vars | |
532 const char *string = NULL; | |
533 oper._format->_rep_vars.reset(); | |
534 oper._format->_strings.reset(); | |
535 while ( (string = oper._format->_strings.iter()) != NULL ) { | |
536 | |
537 // Check if this is a standard string or a replacement variable | |
538 if ( string != NameList::_signal ) { | |
539 // Normal string | |
540 // Pass through to st->print | |
6850 | 541 fprintf(fp," st->print(\"%s\");\n", string); |
0 | 542 } else { |
543 // Replacement variable | |
544 const char *rep_var = oper._format->_rep_vars.iter(); | |
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545 // Check that it is a local name, and an operand |
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546 const Form* form = oper._localNames[rep_var]; |
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547 if (form == NULL) { |
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548 globalAD->syntax_err(oper._linenum, |
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549 "\'%s\' not found in format for %s\n", rep_var, oper._ident); |
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550 assert(form, "replacement variable was not found in local names"); |
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551 } |
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552 OperandForm *op = form->is_operand(); |
0 | 553 // Get index if register or constant |
554 if ( op->_matrule && op->_matrule->is_base_register(globals) ) { | |
555 idx = oper.register_position( globals, rep_var); | |
556 } | |
557 else if (op->_matrule && op->_matrule->is_base_constant(globals)) { | |
558 idx = oper.constant_position( globals, rep_var); | |
559 } else { | |
560 idx = 0; | |
561 } | |
562 // output invocation of "$..."s format function | |
563 if ( op != NULL ) op->ext_format(fp, globals, idx); | |
564 | |
565 // Lookup the index position of the replacement variable | |
6850 | 566 idx = oper._components.operand_position_format(rep_var, &oper); |
0 | 567 if ( idx == -1 ) { |
568 fprintf(stderr, | |
569 "Using a name, %s, that isn't in match rule\n", rep_var); | |
570 assert( strcmp(op->_ident,"label")==0, "Unimplemented"); | |
571 } | |
572 } // Done with a replacement variable | |
573 } // Done with all format strings | |
574 | |
575 } else { | |
576 // Default formats for base operands (RegI, RegP, ConI, ConP, ...) | |
577 oper.ext_format(fp, globals, 0); | |
578 } | |
579 } else { // oper._format == NULL | |
580 // Provide a few special case formats where the AD writer cannot. | |
581 if ( strcmp(oper._ident,"Universe")==0 ) { | |
582 fprintf(fp, " st->print(\"$$univ\");\n"); | |
583 } | |
584 // labelOper::ext_format is defined in ad_<...>.cpp | |
585 } | |
586 // ALWAYS! Provide a special case output for condition codes. | |
587 if( oper.is_ideal_bool() ) { | |
415
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588 defineCCodeDump(&oper, fp,0); |
0 | 589 } |
590 fprintf(fp, "}\n"); | |
591 fprintf(fp, "#endif\n"); | |
592 } | |
593 | |
594 | |
595 // Generate the format rule for an instruction | |
596 void gen_inst_format(FILE *fp, FormDict &globals, InstructForm &inst, bool for_c_file = false) { | |
597 if (!for_c_file) { | |
598 // compile the bodies separately, to cut down on recompilations | |
599 // #ifndef PRODUCT region generated by caller | |
600 fprintf(fp," virtual void format(PhaseRegAlloc *ra, outputStream *st) const;\n"); | |
601 return; | |
602 } | |
603 | |
604 // Define the format function | |
605 fprintf(fp, "#ifndef PRODUCT\n"); | |
606 fprintf(fp, "void %sNode::format(PhaseRegAlloc *ra, outputStream *st) const {\n", inst._ident); | |
607 | |
608 // Generate the user-defined portion of the format | |
609 if( inst._format ) { | |
610 // If there are replacement variables, | |
605 | 611 // Generate index values needed for determining the operand position |
0 | 612 if( inst._format->_rep_vars.count() ) |
613 inst.index_temps(fp, globals); | |
614 | |
615 // Build the format from the entries in strings and rep_vars | |
616 const char *string = NULL; | |
617 inst._format->_rep_vars.reset(); | |
618 inst._format->_strings.reset(); | |
619 while( (string = inst._format->_strings.iter()) != NULL ) { | |
6850 | 620 fprintf(fp," "); |
0 | 621 // Check if this is a standard string or a replacement variable |
415
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622 if( string == NameList::_signal ) { // Replacement variable |
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623 const char* rep_var = inst._format->_rep_vars.iter(); |
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624 inst.rep_var_format( fp, rep_var); |
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625 } else if( string == NameList::_signal3 ) { // Replacement variable in raw text |
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626 const char* rep_var = inst._format->_rep_vars.iter(); |
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627 const Form *form = inst._localNames[rep_var]; |
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628 if (form == NULL) { |
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629 fprintf(stderr, "unknown replacement variable in format statement: '%s'\n", rep_var); |
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630 assert(false, "ShouldNotReachHere()"); |
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631 } |
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632 OpClassForm *opc = form->is_opclass(); |
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633 assert( opc, "replacement variable was not found in local names"); |
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634 // Lookup the index position of the replacement variable |
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635 int idx = inst.operand_position_format(rep_var); |
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636 if ( idx == -1 ) { |
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637 assert( strcmp(opc->_ident,"label")==0, "Unimplemented"); |
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638 assert( false, "ShouldNotReachHere()"); |
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639 } |
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640 |
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641 if (inst.is_noninput_operand(idx)) { |
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642 assert( false, "ShouldNotReachHere()"); |
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643 } else { |
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644 // Output the format call for this operand |
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645 fprintf(fp,"opnd_array(%d)",idx); |
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646 } |
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647 rep_var = inst._format->_rep_vars.iter(); |
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648 inst._format->_strings.iter(); |
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649 if ( strcmp(rep_var,"$constant") == 0 && opc->is_operand()) { |
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650 Form::DataType constant_type = form->is_operand()->is_base_constant(globals); |
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651 if ( constant_type == Form::idealD ) { |
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652 fprintf(fp,"->constantD()"); |
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653 } else if ( constant_type == Form::idealF ) { |
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654 fprintf(fp,"->constantF()"); |
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655 } else if ( constant_type == Form::idealL ) { |
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656 fprintf(fp,"->constantL()"); |
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657 } else { |
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658 fprintf(fp,"->constant()"); |
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659 } |
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660 } else if ( strcmp(rep_var,"$cmpcode") == 0) { |
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661 fprintf(fp,"->ccode()"); |
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662 } else { |
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663 assert( false, "ShouldNotReachHere()"); |
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664 } |
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665 } else if( string == NameList::_signal2 ) // Raw program text |
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666 fputs(inst._format->_strings.iter(), fp); |
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667 else |
0 | 668 fprintf(fp,"st->print(\"%s\");\n", string); |
669 } // Done with all format strings | |
670 } // Done generating the user-defined portion of the format | |
671 | |
672 // Add call debug info automatically | |
673 Form::CallType call_type = inst.is_ideal_call(); | |
674 if( call_type != Form::invalid_type ) { | |
675 switch( call_type ) { | |
676 case Form::JAVA_DYNAMIC: | |
6850 | 677 fprintf(fp," _method->print_short_name(st);\n"); |
0 | 678 break; |
679 case Form::JAVA_STATIC: | |
6850 | 680 fprintf(fp," if( _method ) _method->print_short_name(st);\n"); |
681 fprintf(fp," else st->print(\" wrapper for: %%s\", _name);\n"); | |
682 fprintf(fp," if( !_method ) dump_trap_args(st);\n"); | |
0 | 683 break; |
684 case Form::JAVA_COMPILED: | |
685 case Form::JAVA_INTERP: | |
686 break; | |
687 case Form::JAVA_RUNTIME: | |
688 case Form::JAVA_LEAF: | |
689 case Form::JAVA_NATIVE: | |
6850 | 690 fprintf(fp," st->print(\" %%s\", _name);"); |
0 | 691 break; |
692 default: | |
6850 | 693 assert(0,"ShouldNotReachHere"); |
0 | 694 } |
6850 | 695 fprintf(fp, " st->print_cr(\"\");\n" ); |
696 fprintf(fp, " if (_jvms) _jvms->format(ra, this, st); else st->print_cr(\" No JVM State Info\");\n" ); | |
697 fprintf(fp, " st->print(\" # \");\n" ); | |
698 fprintf(fp, " if( _jvms && _oop_map ) _oop_map->print_on(st);\n"); | |
0 | 699 } |
700 else if(inst.is_ideal_safepoint()) { | |
6850 | 701 fprintf(fp, " st->print(\"\");\n" ); |
702 fprintf(fp, " if (_jvms) _jvms->format(ra, this, st); else st->print_cr(\" No JVM State Info\");\n" ); | |
703 fprintf(fp, " st->print(\" # \");\n" ); | |
704 fprintf(fp, " if( _jvms && _oop_map ) _oop_map->print_on(st);\n"); | |
0 | 705 } |
706 else if( inst.is_ideal_if() ) { | |
6850 | 707 fprintf(fp, " st->print(\" P=%%f C=%%f\",_prob,_fcnt);\n" ); |
0 | 708 } |
709 else if( inst.is_ideal_mem() ) { | |
710 // Print out the field name if available to improve readability | |
6850 | 711 fprintf(fp, " if (ra->C->alias_type(adr_type())->field() != NULL) {\n"); |
712 fprintf(fp, " ciField* f = ra->C->alias_type(adr_type())->field();\n"); | |
713 fprintf(fp, " st->print(\" %s Field: \");\n", commentSeperator); | |
714 fprintf(fp, " if (f->is_volatile())\n"); | |
715 fprintf(fp, " st->print(\"volatile \");\n"); | |
716 fprintf(fp, " f->holder()->name()->print_symbol_on(st);\n"); | |
717 fprintf(fp, " st->print(\".\");\n"); | |
718 fprintf(fp, " f->name()->print_symbol_on(st);\n"); | |
719 fprintf(fp, " if (f->is_constant())\n"); | |
720 fprintf(fp, " st->print(\" (constant)\");\n"); | |
721 fprintf(fp, " } else {\n"); | |
0 | 722 // Make sure 'Volatile' gets printed out |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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4120
diff
changeset
|
723 fprintf(fp, " if (ra->C->alias_type(adr_type())->is_volatile())\n"); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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4120
diff
changeset
|
724 fprintf(fp, " st->print(\" volatile!\");\n"); |
6850 | 725 fprintf(fp, " }\n"); |
0 | 726 } |
727 | |
728 // Complete the definition of the format function | |
6850 | 729 fprintf(fp, "}\n#endif\n"); |
0 | 730 } |
731 | |
732 void ArchDesc::declare_pipe_classes(FILE *fp_hpp) { | |
733 if (!_pipeline) | |
734 return; | |
735 | |
736 fprintf(fp_hpp, "\n"); | |
737 fprintf(fp_hpp, "// Pipeline_Use_Cycle_Mask Class\n"); | |
738 fprintf(fp_hpp, "class Pipeline_Use_Cycle_Mask {\n"); | |
739 | |
740 if (_pipeline->_maxcycleused <= | |
741 #ifdef SPARC | |
742 64 | |
743 #else | |
744 32 | |
745 #endif | |
746 ) { | |
747 fprintf(fp_hpp, "protected:\n"); | |
748 fprintf(fp_hpp, " %s _mask;\n\n", _pipeline->_maxcycleused <= 32 ? "uint" : "uint64_t" ); | |
749 fprintf(fp_hpp, "public:\n"); | |
750 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask() : _mask(0) {}\n\n"); | |
751 if (_pipeline->_maxcycleused <= 32) | |
752 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask(uint mask) : _mask(mask) {}\n\n"); | |
753 else { | |
754 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask(uint mask1, uint mask2) : _mask((((uint64_t)mask1) << 32) | mask2) {}\n\n"); | |
755 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask(uint64_t mask) : _mask(mask) {}\n\n"); | |
756 } | |
757 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask& operator=(const Pipeline_Use_Cycle_Mask &in) {\n"); | |
758 fprintf(fp_hpp, " _mask = in._mask;\n"); | |
759 fprintf(fp_hpp, " return *this;\n"); | |
760 fprintf(fp_hpp, " }\n\n"); | |
761 fprintf(fp_hpp, " bool overlaps(const Pipeline_Use_Cycle_Mask &in2) const {\n"); | |
762 fprintf(fp_hpp, " return ((_mask & in2._mask) != 0);\n"); | |
763 fprintf(fp_hpp, " }\n\n"); | |
764 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask& operator<<=(int n) {\n"); | |
765 fprintf(fp_hpp, " _mask <<= n;\n"); | |
766 fprintf(fp_hpp, " return *this;\n"); | |
767 fprintf(fp_hpp, " }\n\n"); | |
768 fprintf(fp_hpp, " void Or(const Pipeline_Use_Cycle_Mask &in2) {\n"); | |
769 fprintf(fp_hpp, " _mask |= in2._mask;\n"); | |
770 fprintf(fp_hpp, " }\n\n"); | |
771 fprintf(fp_hpp, " friend Pipeline_Use_Cycle_Mask operator&(const Pipeline_Use_Cycle_Mask &, const Pipeline_Use_Cycle_Mask &);\n"); | |
772 fprintf(fp_hpp, " friend Pipeline_Use_Cycle_Mask operator|(const Pipeline_Use_Cycle_Mask &, const Pipeline_Use_Cycle_Mask &);\n\n"); | |
773 } | |
774 else { | |
775 fprintf(fp_hpp, "protected:\n"); | |
776 uint masklen = (_pipeline->_maxcycleused + 31) >> 5; | |
777 uint l; | |
778 fprintf(fp_hpp, " uint "); | |
779 for (l = 1; l <= masklen; l++) | |
780 fprintf(fp_hpp, "_mask%d%s", l, l < masklen ? ", " : ";\n\n"); | |
781 fprintf(fp_hpp, "public:\n"); | |
782 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask() : "); | |
783 for (l = 1; l <= masklen; l++) | |
784 fprintf(fp_hpp, "_mask%d(0)%s", l, l < masklen ? ", " : " {}\n\n"); | |
785 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask("); | |
786 for (l = 1; l <= masklen; l++) | |
787 fprintf(fp_hpp, "uint mask%d%s", l, l < masklen ? ", " : ") : "); | |
788 for (l = 1; l <= masklen; l++) | |
789 fprintf(fp_hpp, "_mask%d(mask%d)%s", l, l, l < masklen ? ", " : " {}\n\n"); | |
790 | |
791 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask& operator=(const Pipeline_Use_Cycle_Mask &in) {\n"); | |
792 for (l = 1; l <= masklen; l++) | |
793 fprintf(fp_hpp, " _mask%d = in._mask%d;\n", l, l); | |
794 fprintf(fp_hpp, " return *this;\n"); | |
795 fprintf(fp_hpp, " }\n\n"); | |
796 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask intersect(const Pipeline_Use_Cycle_Mask &in2) {\n"); | |
797 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask out;\n"); | |
798 for (l = 1; l <= masklen; l++) | |
799 fprintf(fp_hpp, " out._mask%d = _mask%d & in2._mask%d;\n", l, l, l); | |
800 fprintf(fp_hpp, " return out;\n"); | |
801 fprintf(fp_hpp, " }\n\n"); | |
802 fprintf(fp_hpp, " bool overlaps(const Pipeline_Use_Cycle_Mask &in2) const {\n"); | |
803 fprintf(fp_hpp, " return ("); | |
804 for (l = 1; l <= masklen; l++) | |
805 fprintf(fp_hpp, "((_mask%d & in2._mask%d) != 0)%s", l, l, l < masklen ? " || " : ""); | |
806 fprintf(fp_hpp, ") ? true : false;\n"); | |
807 fprintf(fp_hpp, " }\n\n"); | |
808 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask& operator<<=(int n) {\n"); | |
809 fprintf(fp_hpp, " if (n >= 32)\n"); | |
810 fprintf(fp_hpp, " do {\n "); | |
811 for (l = masklen; l > 1; l--) | |
812 fprintf(fp_hpp, " _mask%d = _mask%d;", l, l-1); | |
813 fprintf(fp_hpp, " _mask%d = 0;\n", 1); | |
814 fprintf(fp_hpp, " } while ((n -= 32) >= 32);\n\n"); | |
815 fprintf(fp_hpp, " if (n > 0) {\n"); | |
816 fprintf(fp_hpp, " uint m = 32 - n;\n"); | |
817 fprintf(fp_hpp, " uint mask = (1 << n) - 1;\n"); | |
818 fprintf(fp_hpp, " uint temp%d = mask & (_mask%d >> m); _mask%d <<= n;\n", 2, 1, 1); | |
819 for (l = 2; l < masklen; l++) { | |
820 fprintf(fp_hpp, " uint temp%d = mask & (_mask%d >> m); _mask%d <<= n; _mask%d |= temp%d;\n", l+1, l, l, l, l); | |
821 } | |
822 fprintf(fp_hpp, " _mask%d <<= n; _mask%d |= temp%d;\n", masklen, masklen, masklen); | |
823 fprintf(fp_hpp, " }\n"); | |
824 | |
825 fprintf(fp_hpp, " return *this;\n"); | |
826 fprintf(fp_hpp, " }\n\n"); | |
827 fprintf(fp_hpp, " void Or(const Pipeline_Use_Cycle_Mask &);\n\n"); | |
828 fprintf(fp_hpp, " friend Pipeline_Use_Cycle_Mask operator&(const Pipeline_Use_Cycle_Mask &, const Pipeline_Use_Cycle_Mask &);\n"); | |
829 fprintf(fp_hpp, " friend Pipeline_Use_Cycle_Mask operator|(const Pipeline_Use_Cycle_Mask &, const Pipeline_Use_Cycle_Mask &);\n\n"); | |
830 } | |
831 | |
832 fprintf(fp_hpp, " friend class Pipeline_Use;\n\n"); | |
833 fprintf(fp_hpp, " friend class Pipeline_Use_Element;\n\n"); | |
834 fprintf(fp_hpp, "};\n\n"); | |
835 | |
836 uint rescount = 0; | |
837 const char *resource; | |
838 | |
839 for ( _pipeline->_reslist.reset(); (resource = _pipeline->_reslist.iter()) != NULL; ) { | |
840 int mask = _pipeline->_resdict[resource]->is_resource()->mask(); | |
841 if ((mask & (mask-1)) == 0) | |
842 rescount++; | |
843 } | |
844 | |
845 fprintf(fp_hpp, "// Pipeline_Use_Element Class\n"); | |
846 fprintf(fp_hpp, "class Pipeline_Use_Element {\n"); | |
847 fprintf(fp_hpp, "protected:\n"); | |
848 fprintf(fp_hpp, " // Mask of used functional units\n"); | |
849 fprintf(fp_hpp, " uint _used;\n\n"); | |
850 fprintf(fp_hpp, " // Lower and upper bound of functional unit number range\n"); | |
851 fprintf(fp_hpp, " uint _lb, _ub;\n\n"); | |
852 fprintf(fp_hpp, " // Indicates multiple functionals units available\n"); | |
853 fprintf(fp_hpp, " bool _multiple;\n\n"); | |
854 fprintf(fp_hpp, " // Mask of specific used cycles\n"); | |
855 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask _mask;\n\n"); | |
856 fprintf(fp_hpp, "public:\n"); | |
857 fprintf(fp_hpp, " Pipeline_Use_Element() {}\n\n"); | |
858 fprintf(fp_hpp, " Pipeline_Use_Element(uint used, uint lb, uint ub, bool multiple, Pipeline_Use_Cycle_Mask mask)\n"); | |
859 fprintf(fp_hpp, " : _used(used), _lb(lb), _ub(ub), _multiple(multiple), _mask(mask) {}\n\n"); | |
860 fprintf(fp_hpp, " uint used() const { return _used; }\n\n"); | |
861 fprintf(fp_hpp, " uint lowerBound() const { return _lb; }\n\n"); | |
862 fprintf(fp_hpp, " uint upperBound() const { return _ub; }\n\n"); | |
863 fprintf(fp_hpp, " bool multiple() const { return _multiple; }\n\n"); | |
864 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask mask() const { return _mask; }\n\n"); | |
865 fprintf(fp_hpp, " bool overlaps(const Pipeline_Use_Element &in2) const {\n"); | |
866 fprintf(fp_hpp, " return ((_used & in2._used) != 0 && _mask.overlaps(in2._mask));\n"); | |
867 fprintf(fp_hpp, " }\n\n"); | |
868 fprintf(fp_hpp, " void step(uint cycles) {\n"); | |
869 fprintf(fp_hpp, " _used = 0;\n"); | |
870 fprintf(fp_hpp, " _mask <<= cycles;\n"); | |
871 fprintf(fp_hpp, " }\n\n"); | |
872 fprintf(fp_hpp, " friend class Pipeline_Use;\n"); | |
873 fprintf(fp_hpp, "};\n\n"); | |
874 | |
875 fprintf(fp_hpp, "// Pipeline_Use Class\n"); | |
876 fprintf(fp_hpp, "class Pipeline_Use {\n"); | |
877 fprintf(fp_hpp, "protected:\n"); | |
878 fprintf(fp_hpp, " // These resources can be used\n"); | |
879 fprintf(fp_hpp, " uint _resources_used;\n\n"); | |
880 fprintf(fp_hpp, " // These resources are used; excludes multiple choice functional units\n"); | |
881 fprintf(fp_hpp, " uint _resources_used_exclusively;\n\n"); | |
882 fprintf(fp_hpp, " // Number of elements\n"); | |
883 fprintf(fp_hpp, " uint _count;\n\n"); | |
884 fprintf(fp_hpp, " // This is the array of Pipeline_Use_Elements\n"); | |
885 fprintf(fp_hpp, " Pipeline_Use_Element * _elements;\n\n"); | |
886 fprintf(fp_hpp, "public:\n"); | |
887 fprintf(fp_hpp, " Pipeline_Use(uint resources_used, uint resources_used_exclusively, uint count, Pipeline_Use_Element *elements)\n"); | |
888 fprintf(fp_hpp, " : _resources_used(resources_used)\n"); | |
889 fprintf(fp_hpp, " , _resources_used_exclusively(resources_used_exclusively)\n"); | |
890 fprintf(fp_hpp, " , _count(count)\n"); | |
891 fprintf(fp_hpp, " , _elements(elements)\n"); | |
892 fprintf(fp_hpp, " {}\n\n"); | |
893 fprintf(fp_hpp, " uint resourcesUsed() const { return _resources_used; }\n\n"); | |
894 fprintf(fp_hpp, " uint resourcesUsedExclusively() const { return _resources_used_exclusively; }\n\n"); | |
895 fprintf(fp_hpp, " uint count() const { return _count; }\n\n"); | |
896 fprintf(fp_hpp, " Pipeline_Use_Element * element(uint i) const { return &_elements[i]; }\n\n"); | |
897 fprintf(fp_hpp, " uint full_latency(uint delay, const Pipeline_Use &pred) const;\n\n"); | |
898 fprintf(fp_hpp, " void add_usage(const Pipeline_Use &pred);\n\n"); | |
899 fprintf(fp_hpp, " void reset() {\n"); | |
900 fprintf(fp_hpp, " _resources_used = _resources_used_exclusively = 0;\n"); | |
901 fprintf(fp_hpp, " };\n\n"); | |
902 fprintf(fp_hpp, " void step(uint cycles) {\n"); | |
903 fprintf(fp_hpp, " reset();\n"); | |
904 fprintf(fp_hpp, " for (uint i = 0; i < %d; i++)\n", | |
905 rescount); | |
906 fprintf(fp_hpp, " (&_elements[i])->step(cycles);\n"); | |
907 fprintf(fp_hpp, " };\n\n"); | |
908 fprintf(fp_hpp, " static const Pipeline_Use elaborated_use;\n"); | |
909 fprintf(fp_hpp, " static const Pipeline_Use_Element elaborated_elements[%d];\n\n", | |
910 rescount); | |
911 fprintf(fp_hpp, " friend class Pipeline;\n"); | |
912 fprintf(fp_hpp, "};\n\n"); | |
913 | |
914 fprintf(fp_hpp, "// Pipeline Class\n"); | |
915 fprintf(fp_hpp, "class Pipeline {\n"); | |
916 fprintf(fp_hpp, "public:\n"); | |
917 | |
918 fprintf(fp_hpp, " static bool enabled() { return %s; }\n\n", | |
919 _pipeline ? "true" : "false" ); | |
920 | |
921 assert( _pipeline->_maxInstrsPerBundle && | |
922 ( _pipeline->_instrUnitSize || _pipeline->_bundleUnitSize) && | |
923 _pipeline->_instrFetchUnitSize && | |
924 _pipeline->_instrFetchUnits, | |
925 "unspecified pipeline architecture units"); | |
926 | |
927 uint unitSize = _pipeline->_instrUnitSize ? _pipeline->_instrUnitSize : _pipeline->_bundleUnitSize; | |
928 | |
929 fprintf(fp_hpp, " enum {\n"); | |
930 fprintf(fp_hpp, " _variable_size_instructions = %d,\n", | |
931 _pipeline->_variableSizeInstrs ? 1 : 0); | |
932 fprintf(fp_hpp, " _fixed_size_instructions = %d,\n", | |
933 _pipeline->_variableSizeInstrs ? 0 : 1); | |
934 fprintf(fp_hpp, " _branch_has_delay_slot = %d,\n", | |
935 _pipeline->_branchHasDelaySlot ? 1 : 0); | |
936 fprintf(fp_hpp, " _max_instrs_per_bundle = %d,\n", | |
937 _pipeline->_maxInstrsPerBundle); | |
938 fprintf(fp_hpp, " _max_bundles_per_cycle = %d,\n", | |
939 _pipeline->_maxBundlesPerCycle); | |
940 fprintf(fp_hpp, " _max_instrs_per_cycle = %d\n", | |
941 _pipeline->_maxBundlesPerCycle * _pipeline->_maxInstrsPerBundle); | |
942 fprintf(fp_hpp, " };\n\n"); | |
943 | |
944 fprintf(fp_hpp, " static bool instr_has_unit_size() { return %s; }\n\n", | |
945 _pipeline->_instrUnitSize != 0 ? "true" : "false" ); | |
946 if( _pipeline->_bundleUnitSize != 0 ) | |
947 if( _pipeline->_instrUnitSize != 0 ) | |
948 fprintf(fp_hpp, "// Individual Instructions may be bundled together by the hardware\n\n"); | |
949 else | |
950 fprintf(fp_hpp, "// Instructions exist only in bundles\n\n"); | |
951 else | |
952 fprintf(fp_hpp, "// Bundling is not supported\n\n"); | |
953 if( _pipeline->_instrUnitSize != 0 ) | |
954 fprintf(fp_hpp, " // Size of an instruction\n"); | |
955 else | |
956 fprintf(fp_hpp, " // Size of an individual instruction does not exist - unsupported\n"); | |
957 fprintf(fp_hpp, " static uint instr_unit_size() {"); | |
958 if( _pipeline->_instrUnitSize == 0 ) | |
959 fprintf(fp_hpp, " assert( false, \"Instructions are only in bundles\" );"); | |
960 fprintf(fp_hpp, " return %d; };\n\n", _pipeline->_instrUnitSize); | |
961 | |
962 if( _pipeline->_bundleUnitSize != 0 ) | |
963 fprintf(fp_hpp, " // Size of a bundle\n"); | |
964 else | |
965 fprintf(fp_hpp, " // Bundles do not exist - unsupported\n"); | |
966 fprintf(fp_hpp, " static uint bundle_unit_size() {"); | |
967 if( _pipeline->_bundleUnitSize == 0 ) | |
968 fprintf(fp_hpp, " assert( false, \"Bundles are not supported\" );"); | |
969 fprintf(fp_hpp, " return %d; };\n\n", _pipeline->_bundleUnitSize); | |
970 | |
971 fprintf(fp_hpp, " static bool requires_bundling() { return %s; }\n\n", | |
972 _pipeline->_bundleUnitSize != 0 && _pipeline->_instrUnitSize == 0 ? "true" : "false" ); | |
973 | |
974 fprintf(fp_hpp, "private:\n"); | |
975 fprintf(fp_hpp, " Pipeline(); // Not a legal constructor\n"); | |
976 fprintf(fp_hpp, "\n"); | |
977 fprintf(fp_hpp, " const unsigned char _read_stage_count;\n"); | |
978 fprintf(fp_hpp, " const unsigned char _write_stage;\n"); | |
979 fprintf(fp_hpp, " const unsigned char _fixed_latency;\n"); | |
980 fprintf(fp_hpp, " const unsigned char _instruction_count;\n"); | |
981 fprintf(fp_hpp, " const bool _has_fixed_latency;\n"); | |
982 fprintf(fp_hpp, " const bool _has_branch_delay;\n"); | |
983 fprintf(fp_hpp, " const bool _has_multiple_bundles;\n"); | |
984 fprintf(fp_hpp, " const bool _force_serialization;\n"); | |
985 fprintf(fp_hpp, " const bool _may_have_no_code;\n"); | |
986 fprintf(fp_hpp, " const enum machPipelineStages * const _read_stages;\n"); | |
987 fprintf(fp_hpp, " const enum machPipelineStages * const _resource_stage;\n"); | |
988 fprintf(fp_hpp, " const uint * const _resource_cycles;\n"); | |
989 fprintf(fp_hpp, " const Pipeline_Use _resource_use;\n"); | |
990 fprintf(fp_hpp, "\n"); | |
991 fprintf(fp_hpp, "public:\n"); | |
992 fprintf(fp_hpp, " Pipeline(uint write_stage,\n"); | |
993 fprintf(fp_hpp, " uint count,\n"); | |
994 fprintf(fp_hpp, " bool has_fixed_latency,\n"); | |
995 fprintf(fp_hpp, " uint fixed_latency,\n"); | |
996 fprintf(fp_hpp, " uint instruction_count,\n"); | |
997 fprintf(fp_hpp, " bool has_branch_delay,\n"); | |
998 fprintf(fp_hpp, " bool has_multiple_bundles,\n"); | |
999 fprintf(fp_hpp, " bool force_serialization,\n"); | |
1000 fprintf(fp_hpp, " bool may_have_no_code,\n"); | |
1001 fprintf(fp_hpp, " enum machPipelineStages * const dst,\n"); | |
1002 fprintf(fp_hpp, " enum machPipelineStages * const stage,\n"); | |
1003 fprintf(fp_hpp, " uint * const cycles,\n"); | |
1004 fprintf(fp_hpp, " Pipeline_Use resource_use)\n"); | |
1005 fprintf(fp_hpp, " : _write_stage(write_stage)\n"); | |
1006 fprintf(fp_hpp, " , _read_stage_count(count)\n"); | |
1007 fprintf(fp_hpp, " , _has_fixed_latency(has_fixed_latency)\n"); | |
1008 fprintf(fp_hpp, " , _fixed_latency(fixed_latency)\n"); | |
1009 fprintf(fp_hpp, " , _read_stages(dst)\n"); | |
1010 fprintf(fp_hpp, " , _resource_stage(stage)\n"); | |
1011 fprintf(fp_hpp, " , _resource_cycles(cycles)\n"); | |
1012 fprintf(fp_hpp, " , _resource_use(resource_use)\n"); | |
1013 fprintf(fp_hpp, " , _instruction_count(instruction_count)\n"); | |
1014 fprintf(fp_hpp, " , _has_branch_delay(has_branch_delay)\n"); | |
1015 fprintf(fp_hpp, " , _has_multiple_bundles(has_multiple_bundles)\n"); | |
1016 fprintf(fp_hpp, " , _force_serialization(force_serialization)\n"); | |
1017 fprintf(fp_hpp, " , _may_have_no_code(may_have_no_code)\n"); | |
1018 fprintf(fp_hpp, " {};\n"); | |
1019 fprintf(fp_hpp, "\n"); | |
1020 fprintf(fp_hpp, " uint writeStage() const {\n"); | |
1021 fprintf(fp_hpp, " return (_write_stage);\n"); | |
1022 fprintf(fp_hpp, " }\n"); | |
1023 fprintf(fp_hpp, "\n"); | |
1024 fprintf(fp_hpp, " enum machPipelineStages readStage(int ndx) const {\n"); | |
1025 fprintf(fp_hpp, " return (ndx < _read_stage_count ? _read_stages[ndx] : stage_undefined);"); | |
1026 fprintf(fp_hpp, " }\n\n"); | |
1027 fprintf(fp_hpp, " uint resourcesUsed() const {\n"); | |
1028 fprintf(fp_hpp, " return _resource_use.resourcesUsed();\n }\n\n"); | |
1029 fprintf(fp_hpp, " uint resourcesUsedExclusively() const {\n"); | |
1030 fprintf(fp_hpp, " return _resource_use.resourcesUsedExclusively();\n }\n\n"); | |
1031 fprintf(fp_hpp, " bool hasFixedLatency() const {\n"); | |
1032 fprintf(fp_hpp, " return (_has_fixed_latency);\n }\n\n"); | |
1033 fprintf(fp_hpp, " uint fixedLatency() const {\n"); | |
1034 fprintf(fp_hpp, " return (_fixed_latency);\n }\n\n"); | |
1035 fprintf(fp_hpp, " uint functional_unit_latency(uint start, const Pipeline *pred) const;\n\n"); | |
1036 fprintf(fp_hpp, " uint operand_latency(uint opnd, const Pipeline *pred) const;\n\n"); | |
1037 fprintf(fp_hpp, " const Pipeline_Use& resourceUse() const {\n"); | |
1038 fprintf(fp_hpp, " return (_resource_use); }\n\n"); | |
1039 fprintf(fp_hpp, " const Pipeline_Use_Element * resourceUseElement(uint i) const {\n"); | |
1040 fprintf(fp_hpp, " return (&_resource_use._elements[i]); }\n\n"); | |
1041 fprintf(fp_hpp, " uint resourceUseCount() const {\n"); | |
1042 fprintf(fp_hpp, " return (_resource_use._count); }\n\n"); | |
1043 fprintf(fp_hpp, " uint instructionCount() const {\n"); | |
1044 fprintf(fp_hpp, " return (_instruction_count); }\n\n"); | |
1045 fprintf(fp_hpp, " bool hasBranchDelay() const {\n"); | |
1046 fprintf(fp_hpp, " return (_has_branch_delay); }\n\n"); | |
1047 fprintf(fp_hpp, " bool hasMultipleBundles() const {\n"); | |
1048 fprintf(fp_hpp, " return (_has_multiple_bundles); }\n\n"); | |
1049 fprintf(fp_hpp, " bool forceSerialization() const {\n"); | |
1050 fprintf(fp_hpp, " return (_force_serialization); }\n\n"); | |
1051 fprintf(fp_hpp, " bool mayHaveNoCode() const {\n"); | |
1052 fprintf(fp_hpp, " return (_may_have_no_code); }\n\n"); | |
1053 fprintf(fp_hpp, "//const Pipeline_Use_Cycle_Mask& resourceUseMask(int resource) const {\n"); | |
1054 fprintf(fp_hpp, "// return (_resource_use_masks[resource]); }\n\n"); | |
1055 fprintf(fp_hpp, "\n#ifndef PRODUCT\n"); | |
1056 fprintf(fp_hpp, " static const char * stageName(uint i);\n"); | |
1057 fprintf(fp_hpp, "#endif\n"); | |
1058 fprintf(fp_hpp, "};\n\n"); | |
1059 | |
1060 fprintf(fp_hpp, "// Bundle class\n"); | |
1061 fprintf(fp_hpp, "class Bundle {\n"); | |
1062 | |
1063 uint mshift = 0; | |
1064 for (uint msize = _pipeline->_maxInstrsPerBundle * _pipeline->_maxBundlesPerCycle; msize != 0; msize >>= 1) | |
1065 mshift++; | |
1066 | |
1067 uint rshift = rescount; | |
1068 | |
1069 fprintf(fp_hpp, "protected:\n"); | |
1070 fprintf(fp_hpp, " enum {\n"); | |
1071 fprintf(fp_hpp, " _unused_delay = 0x%x,\n", 0); | |
1072 fprintf(fp_hpp, " _use_nop_delay = 0x%x,\n", 1); | |
1073 fprintf(fp_hpp, " _use_unconditional_delay = 0x%x,\n", 2); | |
1074 fprintf(fp_hpp, " _use_conditional_delay = 0x%x,\n", 3); | |
1075 fprintf(fp_hpp, " _used_in_conditional_delay = 0x%x,\n", 4); | |
1076 fprintf(fp_hpp, " _used_in_unconditional_delay = 0x%x,\n", 5); | |
1077 fprintf(fp_hpp, " _used_in_all_conditional_delays = 0x%x,\n", 6); | |
1078 fprintf(fp_hpp, "\n"); | |
1079 fprintf(fp_hpp, " _use_delay = 0x%x,\n", 3); | |
1080 fprintf(fp_hpp, " _used_in_delay = 0x%x\n", 4); | |
1081 fprintf(fp_hpp, " };\n\n"); | |
1082 fprintf(fp_hpp, " uint _flags : 3,\n"); | |
1083 fprintf(fp_hpp, " _starts_bundle : 1,\n"); | |
1084 fprintf(fp_hpp, " _instr_count : %d,\n", mshift); | |
1085 fprintf(fp_hpp, " _resources_used : %d;\n", rshift); | |
1086 fprintf(fp_hpp, "public:\n"); | |
1087 fprintf(fp_hpp, " Bundle() : _flags(_unused_delay), _starts_bundle(0), _instr_count(0), _resources_used(0) {}\n\n"); | |
1088 fprintf(fp_hpp, " void set_instr_count(uint i) { _instr_count = i; }\n"); | |
1089 fprintf(fp_hpp, " void set_resources_used(uint i) { _resources_used = i; }\n"); | |
1090 fprintf(fp_hpp, " void clear_usage() { _flags = _unused_delay; }\n"); | |
1091 fprintf(fp_hpp, " void set_starts_bundle() { _starts_bundle = true; }\n"); | |
1092 | |
1093 fprintf(fp_hpp, " uint flags() const { return (_flags); }\n"); | |
1094 fprintf(fp_hpp, " uint instr_count() const { return (_instr_count); }\n"); | |
1095 fprintf(fp_hpp, " uint resources_used() const { return (_resources_used); }\n"); | |
1096 fprintf(fp_hpp, " bool starts_bundle() const { return (_starts_bundle != 0); }\n"); | |
1097 | |
1098 fprintf(fp_hpp, " void set_use_nop_delay() { _flags = _use_nop_delay; }\n"); | |
1099 fprintf(fp_hpp, " void set_use_unconditional_delay() { _flags = _use_unconditional_delay; }\n"); | |
1100 fprintf(fp_hpp, " void set_use_conditional_delay() { _flags = _use_conditional_delay; }\n"); | |
1101 fprintf(fp_hpp, " void set_used_in_unconditional_delay() { _flags = _used_in_unconditional_delay; }\n"); | |
1102 fprintf(fp_hpp, " void set_used_in_conditional_delay() { _flags = _used_in_conditional_delay; }\n"); | |
1103 fprintf(fp_hpp, " void set_used_in_all_conditional_delays() { _flags = _used_in_all_conditional_delays; }\n"); | |
1104 | |
1105 fprintf(fp_hpp, " bool use_nop_delay() { return (_flags == _use_nop_delay); }\n"); | |
1106 fprintf(fp_hpp, " bool use_unconditional_delay() { return (_flags == _use_unconditional_delay); }\n"); | |
1107 fprintf(fp_hpp, " bool use_conditional_delay() { return (_flags == _use_conditional_delay); }\n"); | |
1108 fprintf(fp_hpp, " bool used_in_unconditional_delay() { return (_flags == _used_in_unconditional_delay); }\n"); | |
1109 fprintf(fp_hpp, " bool used_in_conditional_delay() { return (_flags == _used_in_conditional_delay); }\n"); | |
1110 fprintf(fp_hpp, " bool used_in_all_conditional_delays() { return (_flags == _used_in_all_conditional_delays); }\n"); | |
1111 fprintf(fp_hpp, " bool use_delay() { return ((_flags & _use_delay) != 0); }\n"); | |
1112 fprintf(fp_hpp, " bool used_in_delay() { return ((_flags & _used_in_delay) != 0); }\n\n"); | |
1113 | |
1114 fprintf(fp_hpp, " enum {\n"); | |
1115 fprintf(fp_hpp, " _nop_count = %d\n", | |
1116 _pipeline->_nopcnt); | |
1117 fprintf(fp_hpp, " };\n\n"); | |
1118 fprintf(fp_hpp, " static void initialize_nops(MachNode *nop_list[%d], Compile* C);\n\n", | |
1119 _pipeline->_nopcnt); | |
1120 fprintf(fp_hpp, "#ifndef PRODUCT\n"); | |
6850 | 1121 fprintf(fp_hpp, " void dump(outputStream *st = tty) const;\n"); |
0 | 1122 fprintf(fp_hpp, "#endif\n"); |
1123 fprintf(fp_hpp, "};\n\n"); | |
1124 | |
1125 // const char *classname; | |
1126 // for (_pipeline->_classlist.reset(); (classname = _pipeline->_classlist.iter()) != NULL; ) { | |
1127 // PipeClassForm *pipeclass = _pipeline->_classdict[classname]->is_pipeclass(); | |
1128 // fprintf(fp_hpp, "// Pipeline Class Instance for \"%s\"\n", classname); | |
1129 // } | |
1130 } | |
1131 | |
1132 //------------------------------declareClasses--------------------------------- | |
1133 // Construct the class hierarchy of MachNode classes from the instruction & | |
1134 // operand lists | |
1135 void ArchDesc::declareClasses(FILE *fp) { | |
1136 | |
1137 // Declare an array containing the machine register names, strings. | |
1138 declareRegNames(fp, _register); | |
1139 | |
1140 // Declare an array containing the machine register encoding values | |
1141 declareRegEncodes(fp, _register); | |
1142 | |
1143 // Generate declarations for the total number of operands | |
1144 fprintf(fp,"\n"); | |
1145 fprintf(fp,"// Total number of operands defined in architecture definition\n"); | |
1146 int num_operands = 0; | |
1147 OperandForm *op; | |
1148 for (_operands.reset(); (op = (OperandForm*)_operands.iter()) != NULL; ) { | |
1149 // Ensure this is a machine-world instruction | |
1150 if (op->ideal_only()) continue; | |
1151 | |
1152 ++num_operands; | |
1153 } | |
1154 int first_operand_class = num_operands; | |
1155 OpClassForm *opc; | |
1156 for (_opclass.reset(); (opc = (OpClassForm*)_opclass.iter()) != NULL; ) { | |
1157 // Ensure this is a machine-world instruction | |
1158 if (opc->ideal_only()) continue; | |
1159 | |
1160 ++num_operands; | |
1161 } | |
1162 fprintf(fp,"#define FIRST_OPERAND_CLASS %d\n", first_operand_class); | |
1163 fprintf(fp,"#define NUM_OPERANDS %d\n", num_operands); | |
1164 fprintf(fp,"\n"); | |
1165 // Generate declarations for the total number of instructions | |
1166 fprintf(fp,"// Total number of instructions defined in architecture definition\n"); | |
1167 fprintf(fp,"#define NUM_INSTRUCTIONS %d\n",instructFormCount()); | |
1168 | |
1169 | |
1170 // Generate Machine Classes for each operand defined in AD file | |
1171 fprintf(fp,"\n"); | |
1172 fprintf(fp,"//----------------------------Declare classes derived from MachOper----------\n"); | |
1173 // Iterate through all operands | |
1174 _operands.reset(); | |
1175 OperandForm *oper; | |
1176 for( ; (oper = (OperandForm*)_operands.iter()) != NULL;) { | |
1177 // Ensure this is a machine-world instruction | |
1178 if (oper->ideal_only() ) continue; | |
1179 // The declaration of labelOper is in machine-independent file: machnode | |
1180 if ( strcmp(oper->_ident,"label") == 0 ) continue; | |
1181 // The declaration of methodOper is in machine-independent file: machnode | |
1182 if ( strcmp(oper->_ident,"method") == 0 ) continue; | |
1183 | |
1184 // Build class definition for this operand | |
1185 fprintf(fp,"\n"); | |
1186 fprintf(fp,"class %sOper : public MachOper { \n",oper->_ident); | |
1187 fprintf(fp,"private:\n"); | |
1188 // Operand definitions that depend upon number of input edges | |
1189 { | |
1190 uint num_edges = oper->num_edges(_globalNames); | |
1191 if( num_edges != 1 ) { // Use MachOper::num_edges() {return 1;} | |
1192 fprintf(fp," virtual uint num_edges() const { return %d; }\n", | |
1193 num_edges ); | |
1194 } | |
1195 if( num_edges > 0 ) { | |
1196 in_RegMask(fp); | |
1197 } | |
1198 } | |
1199 | |
1200 // Support storing constants inside the MachOper | |
1201 declareConstStorage(fp,_globalNames,oper); | |
1202 | |
1203 // Support storage of the condition codes | |
1204 if( oper->is_ideal_bool() ) { | |
1205 fprintf(fp," virtual int ccode() const { \n"); | |
1206 fprintf(fp," switch (_c0) {\n"); | |
1207 fprintf(fp," case BoolTest::eq : return equal();\n"); | |
1208 fprintf(fp," case BoolTest::gt : return greater();\n"); | |
1209 fprintf(fp," case BoolTest::lt : return less();\n"); | |
1210 fprintf(fp," case BoolTest::ne : return not_equal();\n"); | |
1211 fprintf(fp," case BoolTest::le : return less_equal();\n"); | |
1212 fprintf(fp," case BoolTest::ge : return greater_equal();\n"); | |
12323 | 1213 fprintf(fp," case BoolTest::overflow : return overflow();\n"); |
1214 fprintf(fp," case BoolTest::no_overflow: return no_overflow();\n"); | |
0 | 1215 fprintf(fp," default : ShouldNotReachHere(); return 0;\n"); |
1216 fprintf(fp," }\n"); | |
1217 fprintf(fp," };\n"); | |
1218 } | |
1219 | |
1220 // Support storage of the condition codes | |
1221 if( oper->is_ideal_bool() ) { | |
1222 fprintf(fp," virtual void negate() { \n"); | |
1223 fprintf(fp," _c0 = (BoolTest::mask)((int)_c0^0x4); \n"); | |
1224 fprintf(fp," };\n"); | |
1225 } | |
1226 | |
1227 // Declare constructor. | |
1228 // Parameters start with condition code, then all other constants | |
1229 // | |
1230 // (1) MachXOper(int32 ccode, int32 c0, int32 c1, ..., int32 cn) | |
1231 // (2) : _ccode(ccode), _c0(c0), _c1(c1), ..., _cn(cn) { } | |
1232 // | |
1233 Form::DataType constant_type = oper->simple_type(_globalNames); | |
1234 defineConstructor(fp, oper->_ident, oper->num_consts(_globalNames), | |
1235 oper->_components, oper->is_ideal_bool(), | |
1236 constant_type, _globalNames); | |
1237 | |
1238 // Clone function | |
1239 fprintf(fp," virtual MachOper *clone(Compile* C) const;\n"); | |
1240 | |
1241 // Support setting a spill offset into a constant operand. | |
1242 // We only support setting an 'int' offset, while in the | |
1243 // LP64 build spill offsets are added with an AddP which | |
1244 // requires a long constant. Thus we don't support spilling | |
1245 // in frames larger than 4Gig. | |
1246 if( oper->has_conI(_globalNames) || | |
1247 oper->has_conL(_globalNames) ) | |
1248 fprintf(fp, " virtual void set_con( jint c0 ) { _c0 = c0; }\n"); | |
1249 | |
1250 // virtual functions for encoding and format | |
1251 // fprintf(fp," virtual void encode() const {\n %s }\n", | |
1252 // (oper->_encrule)?(oper->_encrule->_encrule):""); | |
1253 // Check the interface type, and generate the correct query functions | |
1254 // encoding queries based upon MEMORY_INTER, REG_INTER, CONST_INTER. | |
1255 | |
1256 fprintf(fp," virtual uint opcode() const { return %s; }\n", | |
1257 machOperEnum(oper->_ident)); | |
1258 | |
1259 // virtual function to look up ideal return type of machine instruction | |
1260 // | |
1261 // (1) virtual const Type *type() const { return .....; } | |
1262 // | |
1263 if ((oper->_matrule) && (oper->_matrule->_lChild == NULL) && | |
1264 (oper->_matrule->_rChild == NULL)) { | |
1265 unsigned int position = 0; | |
1266 const char *opret, *opname, *optype; | |
1267 oper->_matrule->base_operand(position,_globalNames,opret,opname,optype); | |
6850 | 1268 fprintf(fp," virtual const Type *type() const {"); |
0 | 1269 const char *type = getIdealType(optype); |
1270 if( type != NULL ) { | |
1271 Form::DataType data_type = oper->is_base_constant(_globalNames); | |
1272 // Check if we are an ideal pointer type | |
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1273 if( data_type == Form::idealP || data_type == Form::idealN || data_type == Form::idealNKlass ) { |
0 | 1274 // Return the ideal type we already have: <TypePtr *> |
1275 fprintf(fp," return _c0;"); | |
1276 } else { | |
1277 // Return the appropriate bottom type | |
1278 fprintf(fp," return %s;", getIdealType(optype)); | |
1279 } | |
1280 } else { | |
1281 fprintf(fp," ShouldNotCallThis(); return Type::BOTTOM;"); | |
1282 } | |
1283 fprintf(fp," }\n"); | |
1284 } else { | |
1285 // Check for user-defined stack slots, based upon sRegX | |
1286 Form::DataType data_type = oper->is_user_name_for_sReg(); | |
1287 if( data_type != Form::none ){ | |
1288 const char *type = NULL; | |
1289 switch( data_type ) { | |
1290 case Form::idealI: type = "TypeInt::INT"; break; | |
1291 case Form::idealP: type = "TypePtr::BOTTOM";break; | |
1292 case Form::idealF: type = "Type::FLOAT"; break; | |
1293 case Form::idealD: type = "Type::DOUBLE"; break; | |
1294 case Form::idealL: type = "TypeLong::LONG"; break; | |
1295 case Form::none: // fall through | |
1296 default: | |
1297 assert( false, "No support for this type of stackSlot"); | |
1298 } | |
1299 fprintf(fp," virtual const Type *type() const { return %s; } // stackSlotX\n", type); | |
1300 } | |
1301 } | |
1302 | |
1303 | |
1304 // | |
1305 // virtual functions for defining the encoding interface. | |
1306 // | |
1307 // Access the linearized ideal register mask, | |
1308 // map to physical register encoding | |
1309 if ( oper->_matrule && oper->_matrule->is_base_register(_globalNames) ) { | |
1310 // Just use the default virtual 'reg' call | |
1311 } else if ( oper->ideal_to_sReg_type(oper->_ident) != Form::none ) { | |
1312 // Special handling for operand 'sReg', a Stack Slot Register. | |
1313 // Map linearized ideal register mask to stack slot number | |
1314 fprintf(fp," virtual int reg(PhaseRegAlloc *ra_, const Node *node) const {\n"); | |
1315 fprintf(fp," return (int)OptoReg::reg2stack(ra_->get_reg_first(node));/* sReg */\n"); | |
1316 fprintf(fp," }\n"); | |
1317 fprintf(fp," virtual int reg(PhaseRegAlloc *ra_, const Node *node, int idx) const {\n"); | |
1318 fprintf(fp," return (int)OptoReg::reg2stack(ra_->get_reg_first(node->in(idx)));/* sReg */\n"); | |
1319 fprintf(fp," }\n"); | |
1320 } | |
1321 | |
1322 // Output the operand specific access functions used by an enc_class | |
1323 // These are only defined when we want to override the default virtual func | |
1324 if (oper->_interface != NULL) { | |
1325 fprintf(fp,"\n"); | |
1326 // Check if it is a Memory Interface | |
1327 if ( oper->_interface->is_MemInterface() != NULL ) { | |
1328 MemInterface *mem_interface = oper->_interface->is_MemInterface(); | |
1329 const char *base = mem_interface->_base; | |
1330 if( base != NULL ) { | |
1331 define_oper_interface(fp, *oper, _globalNames, "base", base); | |
1332 } | |
1333 char *index = mem_interface->_index; | |
1334 if( index != NULL ) { | |
1335 define_oper_interface(fp, *oper, _globalNames, "index", index); | |
1336 } | |
1337 const char *scale = mem_interface->_scale; | |
1338 if( scale != NULL ) { | |
1339 define_oper_interface(fp, *oper, _globalNames, "scale", scale); | |
1340 } | |
1341 const char *disp = mem_interface->_disp; | |
1342 if( disp != NULL ) { | |
1343 define_oper_interface(fp, *oper, _globalNames, "disp", disp); | |
1344 oper->disp_is_oop(fp, _globalNames); | |
1345 } | |
1346 if( oper->stack_slots_only(_globalNames) ) { | |
1347 // should not call this: | |
1348 fprintf(fp," virtual int constant_disp() const { return Type::OffsetBot; }"); | |
1349 } else if ( disp != NULL ) { | |
1350 define_oper_interface(fp, *oper, _globalNames, "constant_disp", disp); | |
1351 } | |
1352 } // end Memory Interface | |
1353 // Check if it is a Conditional Interface | |
1354 else if (oper->_interface->is_CondInterface() != NULL) { | |
1355 CondInterface *cInterface = oper->_interface->is_CondInterface(); | |
1356 const char *equal = cInterface->_equal; | |
1357 if( equal != NULL ) { | |
1358 define_oper_interface(fp, *oper, _globalNames, "equal", equal); | |
1359 } | |
1360 const char *not_equal = cInterface->_not_equal; | |
1361 if( not_equal != NULL ) { | |
1362 define_oper_interface(fp, *oper, _globalNames, "not_equal", not_equal); | |
1363 } | |
1364 const char *less = cInterface->_less; | |
1365 if( less != NULL ) { | |
1366 define_oper_interface(fp, *oper, _globalNames, "less", less); | |
1367 } | |
1368 const char *greater_equal = cInterface->_greater_equal; | |
1369 if( greater_equal != NULL ) { | |
1370 define_oper_interface(fp, *oper, _globalNames, "greater_equal", greater_equal); | |
1371 } | |
1372 const char *less_equal = cInterface->_less_equal; | |
1373 if( less_equal != NULL ) { | |
1374 define_oper_interface(fp, *oper, _globalNames, "less_equal", less_equal); | |
1375 } | |
1376 const char *greater = cInterface->_greater; | |
1377 if( greater != NULL ) { | |
1378 define_oper_interface(fp, *oper, _globalNames, "greater", greater); | |
1379 } | |
12323 | 1380 const char *overflow = cInterface->_overflow; |
1381 if( overflow != NULL ) { | |
1382 define_oper_interface(fp, *oper, _globalNames, "overflow", overflow); | |
1383 } | |
1384 const char *no_overflow = cInterface->_no_overflow; | |
1385 if( no_overflow != NULL ) { | |
1386 define_oper_interface(fp, *oper, _globalNames, "no_overflow", no_overflow); | |
1387 } | |
0 | 1388 } // end Conditional Interface |
1389 // Check if it is a Constant Interface | |
1390 else if (oper->_interface->is_ConstInterface() != NULL ) { | |
1391 assert( oper->num_consts(_globalNames) == 1, | |
1392 "Must have one constant when using CONST_INTER encoding"); | |
1393 if (!strcmp(oper->ideal_type(_globalNames), "ConI")) { | |
1394 // Access the locally stored constant | |
1395 fprintf(fp," virtual intptr_t constant() const {"); | |
1396 fprintf(fp, " return (intptr_t)_c0;"); | |
1397 fprintf(fp," }\n"); | |
1398 } | |
1399 else if (!strcmp(oper->ideal_type(_globalNames), "ConP")) { | |
1400 // Access the locally stored constant | |
1401 fprintf(fp," virtual intptr_t constant() const {"); | |
1402 fprintf(fp, " return _c0->get_con();"); | |
1403 fprintf(fp, " }\n"); | |
1404 // Generate query to determine if this pointer is an oop | |
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1405 fprintf(fp," virtual relocInfo::relocType constant_reloc() const {"); |
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1406 fprintf(fp, " return _c0->reloc();"); |
0 | 1407 fprintf(fp, " }\n"); |
1408 } | |
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1409 else if (!strcmp(oper->ideal_type(_globalNames), "ConN")) { |
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1410 // Access the locally stored constant |
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1411 fprintf(fp," virtual intptr_t constant() const {"); |
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1412 fprintf(fp, " return _c0->get_ptrtype()->get_con();"); |
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1413 fprintf(fp, " }\n"); |
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1414 // Generate query to determine if this pointer is an oop |
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1415 fprintf(fp," virtual relocInfo::relocType constant_reloc() const {"); |
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1416 fprintf(fp, " return _c0->get_ptrtype()->reloc();"); |
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1417 fprintf(fp, " }\n"); |
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1418 } |
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1419 else if (!strcmp(oper->ideal_type(_globalNames), "ConNKlass")) { |
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1420 // Access the locally stored constant |
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1421 fprintf(fp," virtual intptr_t constant() const {"); |
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1422 fprintf(fp, " return _c0->get_ptrtype()->get_con();"); |
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1423 fprintf(fp, " }\n"); |
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1424 // Generate query to determine if this pointer is an oop |
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1425 fprintf(fp," virtual relocInfo::relocType constant_reloc() const {"); |
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1426 fprintf(fp, " return _c0->get_ptrtype()->reloc();"); |
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1427 fprintf(fp, " }\n"); |
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1428 } |
0 | 1429 else if (!strcmp(oper->ideal_type(_globalNames), "ConL")) { |
1430 fprintf(fp," virtual intptr_t constant() const {"); | |
1431 // We don't support addressing modes with > 4Gig offsets. | |
1432 // Truncate to int. | |
1433 fprintf(fp, " return (intptr_t)_c0;"); | |
1434 fprintf(fp, " }\n"); | |
1435 fprintf(fp," virtual jlong constantL() const {"); | |
1436 fprintf(fp, " return _c0;"); | |
1437 fprintf(fp, " }\n"); | |
1438 } | |
1439 else if (!strcmp(oper->ideal_type(_globalNames), "ConF")) { | |
1440 fprintf(fp," virtual intptr_t constant() const {"); | |
1441 fprintf(fp, " ShouldNotReachHere(); return 0; "); | |
1442 fprintf(fp, " }\n"); | |
1443 fprintf(fp," virtual jfloat constantF() const {"); | |
1444 fprintf(fp, " return (jfloat)_c0;"); | |
1445 fprintf(fp, " }\n"); | |
1446 } | |
1447 else if (!strcmp(oper->ideal_type(_globalNames), "ConD")) { | |
1448 fprintf(fp," virtual intptr_t constant() const {"); | |
1449 fprintf(fp, " ShouldNotReachHere(); return 0; "); | |
1450 fprintf(fp, " }\n"); | |
1451 fprintf(fp," virtual jdouble constantD() const {"); | |
1452 fprintf(fp, " return _c0;"); | |
1453 fprintf(fp, " }\n"); | |
1454 } | |
1455 } | |
1456 else if (oper->_interface->is_RegInterface() != NULL) { | |
1457 // make sure that a fixed format string isn't used for an | |
1458 // operand which might be assiged to multiple registers. | |
1459 // Otherwise the opto assembly output could be misleading. | |
1460 if (oper->_format->_strings.count() != 0 && !oper->is_bound_register()) { | |
1461 syntax_err(oper->_linenum, | |
1462 "Only bound registers can have fixed formats: %s\n", | |
1463 oper->_ident); | |
1464 } | |
1465 } | |
1466 else { | |
1467 assert( false, "ShouldNotReachHere();"); | |
1468 } | |
1469 } | |
1470 | |
1471 fprintf(fp,"\n"); | |
1472 // // Currently all XXXOper::hash() methods are identical (990820) | |
1473 // declare_hash(fp); | |
1474 // // Currently all XXXOper::Cmp() methods are identical (990820) | |
1475 // declare_cmp(fp); | |
1476 | |
1477 // Do not place dump_spec() and Name() into PRODUCT code | |
1478 // int_format and ext_format are not needed in PRODUCT code either | |
1479 fprintf(fp, "#ifndef PRODUCT\n"); | |
1480 | |
1481 // Declare int_format() and ext_format() | |
1482 gen_oper_format(fp, _globalNames, *oper); | |
1483 | |
1484 // Machine independent print functionality for debugging | |
1485 // IF we have constants, create a dump_spec function for the derived class | |
1486 // | |
1487 // (1) virtual void dump_spec() const { | |
1488 // (2) st->print("#%d", _c#); // Constant != ConP | |
1489 // OR _c#->dump_on(st); // Type ConP | |
1490 // ... | |
1491 // (3) } | |
1492 uint num_consts = oper->num_consts(_globalNames); | |
1493 if( num_consts > 0 ) { | |
1494 // line (1) | |
1495 fprintf(fp, " virtual void dump_spec(outputStream *st) const {\n"); | |
1496 // generate format string for st->print | |
1497 // Iterate over the component list & spit out the right thing | |
1498 uint i = 0; | |
1499 const char *type = oper->ideal_type(_globalNames); | |
1500 Component *comp; | |
1501 oper->_components.reset(); | |
1502 if ((comp = oper->_components.iter()) == NULL) { | |
1503 assert(num_consts == 1, "Bad component list detected.\n"); | |
415
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1504 i = dump_spec_constant( fp, type, i, oper ); |
0 | 1505 // Check that type actually matched |
1506 assert( i != 0, "Non-constant operand lacks component list."); | |
1507 } // end if NULL | |
1508 else { | |
1509 // line (2) | |
1510 // dump all components | |
1511 oper->_components.reset(); | |
1512 while((comp = oper->_components.iter()) != NULL) { | |
1513 type = comp->base_type(_globalNames); | |
415
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1514 i = dump_spec_constant( fp, type, i, NULL ); |
0 | 1515 } |
1516 } | |
1517 // finish line (3) | |
1518 fprintf(fp," }\n"); | |
1519 } | |
1520 | |
1521 fprintf(fp," virtual const char *Name() const { return \"%s\";}\n", | |
1522 oper->_ident); | |
1523 | |
1524 fprintf(fp,"#endif\n"); | |
1525 | |
1526 // Close definition of this XxxMachOper | |
1527 fprintf(fp,"};\n"); | |
1528 } | |
1529 | |
1530 | |
1531 // Generate Machine Classes for each instruction defined in AD file | |
1532 fprintf(fp,"\n"); | |
1533 fprintf(fp,"//----------------------------Declare classes for Pipelines-----------------\n"); | |
1534 declare_pipe_classes(fp); | |
1535 | |
1536 // Generate Machine Classes for each instruction defined in AD file | |
1537 fprintf(fp,"\n"); | |
1538 fprintf(fp,"//----------------------------Declare classes derived from MachNode----------\n"); | |
1539 _instructions.reset(); | |
1540 InstructForm *instr; | |
1541 for( ; (instr = (InstructForm*)_instructions.iter()) != NULL; ) { | |
1542 // Ensure this is a machine-world instruction | |
1543 if ( instr->ideal_only() ) continue; | |
1544 | |
1545 // Build class definition for this instruction | |
1546 fprintf(fp,"\n"); | |
1547 fprintf(fp,"class %sNode : public %s { \n", | |
1541
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1548 instr->_ident, instr->mach_base_class(_globalNames) ); |
0 | 1549 fprintf(fp,"private:\n"); |
1550 fprintf(fp," MachOper *_opnd_array[%d];\n", instr->num_opnds() ); | |
1551 if ( instr->is_ideal_jump() ) { | |
1552 fprintf(fp, " GrowableArray<Label*> _index2label;\n"); | |
1553 } | |
14909 | 1554 fprintf(fp,"public:\n"); |
6850 | 1555 fprintf(fp," MachOper *opnd_array(uint operand_index) const {\n"); |
1556 fprintf(fp," assert(operand_index < _num_opnds, \"invalid _opnd_array index\");\n"); | |
1557 fprintf(fp," return _opnd_array[operand_index];\n"); | |
1558 fprintf(fp," }\n"); | |
1559 fprintf(fp," void set_opnd_array(uint operand_index, MachOper *operand) {\n"); | |
1560 fprintf(fp," assert(operand_index < _num_opnds, \"invalid _opnd_array index\");\n"); | |
1561 fprintf(fp," _opnd_array[operand_index] = operand;\n"); | |
1562 fprintf(fp," }\n"); | |
0 | 1563 fprintf(fp,"private:\n"); |
1564 if ( instr->is_ideal_jump() ) { | |
1565 fprintf(fp," virtual void add_case_label(int index_num, Label* blockLabel) {\n"); | |
6850 | 1566 fprintf(fp," _index2label.at_put_grow(index_num, blockLabel);\n"); |
1567 fprintf(fp," }\n"); | |
0 | 1568 } |
1569 if( can_cisc_spill() && (instr->cisc_spill_alternate() != NULL) ) { | |
1570 fprintf(fp," const RegMask *_cisc_RegMask;\n"); | |
1571 } | |
1572 | |
1573 out_RegMask(fp); // output register mask | |
1574 fprintf(fp," virtual uint rule() const { return %s_rule; }\n", | |
1575 instr->_ident); | |
1576 | |
1577 // If this instruction contains a labelOper | |
1578 // Declare Node::methods that set operand Label's contents | |
1579 int label_position = instr->label_position(); | |
1580 if( label_position != -1 ) { | |
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1581 // Set/Save the label, stored in labelOper::_branch_label |
3839 | 1582 fprintf(fp," virtual void label_set( Label* label, uint block_num );\n"); |
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1583 fprintf(fp," virtual void save_label( Label** label, uint* block_num );\n"); |
0 | 1584 } |
1585 | |
1586 // If this instruction contains a methodOper | |
1587 // Declare Node::methods that set operand method's contents | |
1588 int method_position = instr->method_position(); | |
1589 if( method_position != -1 ) { | |
1590 // Set the address method, stored in methodOper::_method | |
1591 fprintf(fp," virtual void method_set( intptr_t method );\n"); | |
1592 } | |
1593 | |
1594 // virtual functions for attributes | |
1595 // | |
1596 // Each instruction attribute results in a virtual call of same name. | |
1597 // The ins_cost is not handled here. | |
1598 Attribute *attr = instr->_attribs; | |
3851 | 1599 bool avoid_back_to_back = false; |
0 | 1600 while (attr != NULL) { |
14909 | 1601 if (strcmp(attr->_ident,"ins_cost") && |
1602 strcmp(attr->_ident,"ins_short_branch")) { | |
1603 fprintf(fp," int %s() const { return %s; }\n", | |
1604 attr->_ident, attr->_val); | |
0 | 1605 } |
3851 | 1606 // Check value for ins_avoid_back_to_back, and if it is true (1), set the flag |
14909 | 1607 if (!strcmp(attr->_ident,"ins_avoid_back_to_back") && attr->int_val(*this) != 0) |
3851 | 1608 avoid_back_to_back = true; |
0 | 1609 attr = (Attribute *)attr->_next; |
1610 } | |
1611 | |
1612 // virtual functions for encode and format | |
2008 | 1613 |
1614 // Virtual function for evaluating the constant. | |
1615 if (instr->is_mach_constant()) { | |
1616 fprintf(fp," virtual void eval_constant(Compile* C);\n"); | |
1617 } | |
1618 | |
0 | 1619 // Output the opcode function and the encode function here using the |
1620 // encoding class information in the _insencode slot. | |
1621 if ( instr->_insencode ) { | |
14909 | 1622 fprintf(fp," virtual void emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const;\n"); |
0 | 1623 } |
1624 | |
1625 // virtual function for getting the size of an instruction | |
1626 if ( instr->_size ) { | |
2008 | 1627 fprintf(fp," virtual uint size(PhaseRegAlloc *ra_) const;\n"); |
0 | 1628 } |
1629 | |
1630 // Return the top-level ideal opcode. | |
1631 // Use MachNode::ideal_Opcode() for nodes based on MachNode class | |
1632 // if the ideal_Opcode == Op_Node. | |
1633 if ( strcmp("Node", instr->ideal_Opcode(_globalNames)) != 0 || | |
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1634 strcmp("MachNode", instr->mach_base_class(_globalNames)) != 0 ) { |
0 | 1635 fprintf(fp," virtual int ideal_Opcode() const { return Op_%s; }\n", |
1636 instr->ideal_Opcode(_globalNames) ); | |
1637 } | |
1638 | |
1639 // Allow machine-independent optimization, invert the sense of the IF test | |
1640 if( instr->is_ideal_if() ) { | |
1641 fprintf(fp," virtual void negate() { \n"); | |
1642 // Identify which operand contains the negate(able) ideal condition code | |
1643 int idx = 0; | |
1644 instr->_components.reset(); | |
1645 for( Component *comp; (comp = instr->_components.iter()) != NULL; ) { | |
1646 // Check that component is an operand | |
1647 Form *form = (Form*)_globalNames[comp->_type]; | |
1648 OperandForm *opForm = form ? form->is_operand() : NULL; | |
1649 if( opForm == NULL ) continue; | |
1650 | |
1651 // Lookup the position of the operand in the instruction. | |
1652 if( opForm->is_ideal_bool() ) { | |
1653 idx = instr->operand_position(comp->_name, comp->_usedef); | |
1654 assert( idx != NameList::Not_in_list, "Did not find component in list that contained it."); | |
1655 break; | |
1656 } | |
1657 } | |
1658 fprintf(fp," opnd_array(%d)->negate();\n", idx); | |
1659 fprintf(fp," _prob = 1.0f - _prob;\n"); | |
1660 fprintf(fp," };\n"); | |
1661 } | |
1662 | |
1663 | |
1664 // Identify which input register matches the input register. | |
1665 uint matching_input = instr->two_address(_globalNames); | |
1666 | |
1667 // Generate the method if it returns != 0 otherwise use MachNode::two_adr() | |
1668 if( matching_input != 0 ) { | |
1669 fprintf(fp," virtual uint two_adr() const "); | |
1670 fprintf(fp,"{ return oper_input_base()"); | |
1671 for( uint i = 2; i <= matching_input; i++ ) | |
1672 fprintf(fp," + opnd_array(%d)->num_edges()",i-1); | |
1673 fprintf(fp,"; }\n"); | |
1674 } | |
1675 | |
1676 // Declare cisc_version, if applicable | |
1677 // MachNode *cisc_version( int offset /* ,... */ ); | |
1678 instr->declare_cisc_version(*this, fp); | |
1679 | |
1680 // If there is an explicit peephole rule, build it | |
1681 if ( instr->peepholes() != NULL ) { | |
1682 fprintf(fp," virtual MachNode *peephole(Block *block, int block_index, PhaseRegAlloc *ra_, int &deleted, Compile *C);\n"); | |
1683 } | |
1684 | |
1685 // Output the declaration for number of relocation entries | |
1686 if ( instr->reloc(_globalNames) != 0 ) { | |
6850 | 1687 fprintf(fp," virtual int reloc() const;\n"); |
0 | 1688 } |
1689 | |
1690 if (instr->alignment() != 1) { | |
6850 | 1691 fprintf(fp," virtual int alignment_required() const { return %d; }\n", instr->alignment()); |
1692 fprintf(fp," virtual int compute_padding(int current_offset) const;\n"); | |
0 | 1693 } |
1694 | |
1695 // Starting point for inputs matcher wants. | |
1696 // Use MachNode::oper_input_base() for nodes based on MachNode class | |
1697 // if the base == 1. | |
1698 if ( instr->oper_input_base(_globalNames) != 1 || | |
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1699 strcmp("MachNode", instr->mach_base_class(_globalNames)) != 0 ) { |
0 | 1700 fprintf(fp," virtual uint oper_input_base() const { return %d; }\n", |
1701 instr->oper_input_base(_globalNames)); | |
1702 } | |
1703 | |
1704 // Make the constructor and following methods 'public:' | |
1705 fprintf(fp,"public:\n"); | |
1706 | |
1707 // Constructor | |
1708 if ( instr->is_ideal_jump() ) { | |
1709 fprintf(fp," %sNode() : _index2label(MinJumpTableSize*2) { ", instr->_ident); | |
1710 } else { | |
1711 fprintf(fp," %sNode() { ", instr->_ident); | |
1712 if( can_cisc_spill() && (instr->cisc_spill_alternate() != NULL) ) { | |
1713 fprintf(fp,"_cisc_RegMask = NULL; "); | |
1714 } | |
1715 } | |
1716 | |
1717 fprintf(fp," _num_opnds = %d; _opnds = _opnd_array; ", instr->num_opnds()); | |
1718 | |
1719 bool node_flags_set = false; | |
1720 // flag: if this instruction matches an ideal 'Copy*' node | |
1721 if ( instr->is_ideal_copy() != 0 ) { | |
3842 | 1722 fprintf(fp,"init_flags(Flag_is_Copy"); |
1723 node_flags_set = true; | |
0 | 1724 } |
1725 | |
1726 // Is an instruction is a constant? If so, get its type | |
1727 Form::DataType data_type; | |
1728 const char *opType = NULL; | |
1729 const char *result = NULL; | |
1730 data_type = instr->is_chain_of_constant(_globalNames, opType, result); | |
1731 // Check if this instruction is a constant | |
1732 if ( data_type != Form::none ) { | |
1733 if ( node_flags_set ) { | |
1734 fprintf(fp," | Flag_is_Con"); | |
1735 } else { | |
1736 fprintf(fp,"init_flags(Flag_is_Con"); | |
1737 node_flags_set = true; | |
1738 } | |
1739 } | |
1740 | |
1741 // flag: if this instruction is cisc alternate | |
1742 if ( can_cisc_spill() && instr->is_cisc_alternate() ) { | |
1743 if ( node_flags_set ) { | |
1744 fprintf(fp," | Flag_is_cisc_alternate"); | |
1745 } else { | |
1746 fprintf(fp,"init_flags(Flag_is_cisc_alternate"); | |
1747 node_flags_set = true; | |
1748 } | |
1749 } | |
1750 | |
1751 // flag: if this instruction has short branch form | |
1752 if ( instr->has_short_branch_form() ) { | |
1753 if ( node_flags_set ) { | |
1754 fprintf(fp," | Flag_may_be_short_branch"); | |
1755 } else { | |
1756 fprintf(fp,"init_flags(Flag_may_be_short_branch"); | |
1757 node_flags_set = true; | |
1758 } | |
1759 } | |
1760 | |
3851 | 1761 // flag: if this instruction should not be generated back to back. |
1762 if ( avoid_back_to_back ) { | |
1763 if ( node_flags_set ) { | |
1764 fprintf(fp," | Flag_avoid_back_to_back"); | |
1765 } else { | |
1766 fprintf(fp,"init_flags(Flag_avoid_back_to_back"); | |
1767 node_flags_set = true; | |
1768 } | |
1769 } | |
1770 | |
0 | 1771 // Check if machine instructions that USE memory, but do not DEF memory, |
1772 // depend upon a node that defines memory in machine-independent graph. | |
1773 if ( instr->needs_anti_dependence_check(_globalNames) ) { | |
1774 if ( node_flags_set ) { | |
1775 fprintf(fp," | Flag_needs_anti_dependence_check"); | |
1776 } else { | |
1777 fprintf(fp,"init_flags(Flag_needs_anti_dependence_check"); | |
1778 node_flags_set = true; | |
1779 } | |
1780 } | |
1781 | |
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1782 // flag: if this instruction is implemented with a call |
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1783 if ( instr->_has_call ) { |
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1784 if ( node_flags_set ) { |
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1785 fprintf(fp," | Flag_has_call"); |
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1786 } else { |
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1787 fprintf(fp,"init_flags(Flag_has_call"); |
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1788 node_flags_set = true; |
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1789 } |
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1790 } |
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1791 |
0 | 1792 if ( node_flags_set ) { |
1793 fprintf(fp,"); "); | |
1794 } | |
1795 | |
1796 fprintf(fp,"}\n"); | |
1797 | |
1798 // size_of, used by base class's clone to obtain the correct size. | |
1799 fprintf(fp," virtual uint size_of() const {"); | |
1800 fprintf(fp, " return sizeof(%sNode);", instr->_ident); | |
1801 fprintf(fp, " }\n"); | |
1802 | |
1803 // Virtual methods which are only generated to override base class | |
1804 if( instr->expands() || instr->needs_projections() || | |
1805 instr->has_temps() || | |
2008 | 1806 instr->is_mach_constant() || |
0 | 1807 instr->_matrule != NULL && |
1808 instr->num_opnds() != instr->num_unique_opnds() ) { | |
1203 | 1809 fprintf(fp," virtual MachNode *Expand(State *state, Node_List &proj_list, Node* mem);\n"); |
0 | 1810 } |
1811 | |
1812 if (instr->is_pinned(_globalNames)) { | |
1813 fprintf(fp," virtual bool pinned() const { return "); | |
1814 if (instr->is_parm(_globalNames)) { | |
1815 fprintf(fp,"_in[0]->pinned();"); | |
1816 } else { | |
1817 fprintf(fp,"true;"); | |
1818 } | |
1819 fprintf(fp," }\n"); | |
1820 } | |
1821 if (instr->is_projection(_globalNames)) { | |
1822 fprintf(fp," virtual const Node *is_block_proj() const { return this; }\n"); | |
1823 } | |
1824 if ( instr->num_post_match_opnds() != 0 | |
1825 || instr->is_chain_of_constant(_globalNames) ) { | |
1826 fprintf(fp," friend MachNode *State::MachNodeGenerator(int opcode, Compile* C);\n"); | |
1827 } | |
1828 if ( instr->rematerialize(_globalNames, get_registers()) ) { | |
1829 fprintf(fp," // Rematerialize %s\n", instr->_ident); | |
1830 } | |
1831 | |
1832 // Declare short branch methods, if applicable | |
1833 instr->declare_short_branch_methods(fp); | |
1834 | |
1835 // See if there is an "ins_pipe" declaration for this instruction | |
1836 if (instr->_ins_pipe) { | |
1837 fprintf(fp," static const Pipeline *pipeline_class();\n"); | |
1838 fprintf(fp," virtual const Pipeline *pipeline() const;\n"); | |
1839 } | |
1840 | |
1841 // Generate virtual function for MachNodeX::bottom_type when necessary | |
1842 // | |
1843 // Note on accuracy: Pointer-types of machine nodes need to be accurate, | |
1844 // or else alias analysis on the matched graph may produce bad code. | |
1845 // Moreover, the aliasing decisions made on machine-node graph must be | |
1846 // no less accurate than those made on the ideal graph, or else the graph | |
1847 // may fail to schedule. (Reason: Memory ops which are reordered in | |
1848 // the ideal graph might look interdependent in the machine graph, | |
1849 // thereby removing degrees of scheduling freedom that the optimizer | |
1850 // assumed would be available.) | |
1851 // | |
1852 // %%% We should handle many of these cases with an explicit ADL clause: | |
1853 // instruct foo() %{ ... bottom_type(TypeRawPtr::BOTTOM); ... %} | |
1854 if( data_type != Form::none ) { | |
1855 // A constant's bottom_type returns a Type containing its constant value | |
1856 | |
1857 // !!!!! | |
1858 // Convert all ints, floats, ... to machine-independent TypeXs | |
1859 // as is done for pointers | |
1860 // | |
1861 // Construct appropriate constant type containing the constant value. | |
6850 | 1862 fprintf(fp," virtual const class Type *bottom_type() const {\n"); |
0 | 1863 switch( data_type ) { |
1864 case Form::idealI: | |
1865 fprintf(fp," return TypeInt::make(opnd_array(1)->constant());\n"); | |
1866 break; | |
1867 case Form::idealP: | |
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1868 case Form::idealN: |
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1869 case Form::idealNKlass: |
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1870 fprintf(fp," return opnd_array(1)->type();\n"); |
0 | 1871 break; |
1872 case Form::idealD: | |
1873 fprintf(fp," return TypeD::make(opnd_array(1)->constantD());\n"); | |
1874 break; | |
1875 case Form::idealF: | |
1876 fprintf(fp," return TypeF::make(opnd_array(1)->constantF());\n"); | |
1877 break; | |
1878 case Form::idealL: | |
1879 fprintf(fp," return TypeLong::make(opnd_array(1)->constantL());\n"); | |
1880 break; | |
1881 default: | |
1882 assert( false, "Unimplemented()" ); | |
1883 break; | |
1884 } | |
1885 fprintf(fp," };\n"); | |
1886 } | |
1887 /* else if ( instr->_matrule && instr->_matrule->_rChild && | |
1888 ( strcmp("ConvF2I",instr->_matrule->_rChild->_opType)==0 | |
1889 || strcmp("ConvD2I",instr->_matrule->_rChild->_opType)==0 ) ) { | |
1890 // !!!!! !!!!! | |
1891 // Provide explicit bottom type for conversions to int | |
1892 // On Intel the result operand is a stackSlot, untyped. | |
6850 | 1893 fprintf(fp," virtual const class Type *bottom_type() const {"); |
0 | 1894 fprintf(fp, " return TypeInt::INT;"); |
1895 fprintf(fp, " };\n"); | |
1896 }*/ | |
1897 else if( instr->is_ideal_copy() && | |
1898 !strcmp(instr->_matrule->_lChild->_opType,"stackSlotP") ) { | |
1899 // !!!!! | |
1900 // Special hack for ideal Copy of pointer. Bottom type is oop or not depending on input. | |
1901 fprintf(fp," const Type *bottom_type() const { return in(1)->bottom_type(); } // Copy?\n"); | |
1902 } | |
1903 else if( instr->is_ideal_loadPC() ) { | |
1904 // LoadPCNode provides the return address of a call to native code. | |
1905 // Define its bottom type to be TypeRawPtr::BOTTOM instead of TypePtr::BOTTOM | |
1906 // since it is a pointer to an internal VM location and must have a zero offset. | |
1907 // Allocation detects derived pointers, in part, by their non-zero offsets. | |
1908 fprintf(fp," const Type *bottom_type() const { return TypeRawPtr::BOTTOM; } // LoadPC?\n"); | |
1909 } | |
1910 else if( instr->is_ideal_box() ) { | |
1911 // BoxNode provides the address of a stack slot. | |
1912 // Define its bottom type to be TypeRawPtr::BOTTOM instead of TypePtr::BOTTOM | |
1913 // This prevent s insert_anti_dependencies from complaining. It will | |
6850 | 1914 // complain if it sees that the pointer base is TypePtr::BOTTOM since |
0 | 1915 // it doesn't understand what that might alias. |
1916 fprintf(fp," const Type *bottom_type() const { return TypeRawPtr::BOTTOM; } // Box?\n"); | |
1917 } | |
1918 else if( instr->_matrule && instr->_matrule->_rChild && !strcmp(instr->_matrule->_rChild->_opType,"CMoveP") ) { | |
1919 int offset = 1; | |
1920 // Special special hack to see if the Cmp? has been incorporated in the conditional move | |
1921 MatchNode *rl = instr->_matrule->_rChild->_lChild; | |
1922 if( rl && !strcmp(rl->_opType, "Binary") ) { | |
1923 MatchNode *rlr = rl->_rChild; | |
1924 if (rlr && strncmp(rlr->_opType, "Cmp", 3) == 0) | |
1925 offset = 2; | |
1926 } | |
1927 // Special hack for ideal CMoveP; ideal type depends on inputs | |
1928 fprintf(fp," const Type *bottom_type() const { const Type *t = in(oper_input_base()+%d)->bottom_type(); return (req() <= oper_input_base()+%d) ? t : t->meet(in(oper_input_base()+%d)->bottom_type()); } // CMoveP\n", | |
1929 offset, offset+1, offset+1); | |
1930 } | |
293
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1931 else if( instr->_matrule && instr->_matrule->_rChild && !strcmp(instr->_matrule->_rChild->_opType,"CMoveN") ) { |
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1932 int offset = 1; |
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1933 // Special special hack to see if the Cmp? has been incorporated in the conditional move |
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1934 MatchNode *rl = instr->_matrule->_rChild->_lChild; |
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1935 if( rl && !strcmp(rl->_opType, "Binary") ) { |
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1936 MatchNode *rlr = rl->_rChild; |
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1937 if (rlr && strncmp(rlr->_opType, "Cmp", 3) == 0) |
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1938 offset = 2; |
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1939 } |
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1940 // Special hack for ideal CMoveN; ideal type depends on inputs |
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1941 fprintf(fp," const Type *bottom_type() const { const Type *t = in(oper_input_base()+%d)->bottom_type(); return (req() <= oper_input_base()+%d) ? t : t->meet(in(oper_input_base()+%d)->bottom_type()); } // CMoveN\n", |
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1942 offset, offset+1, offset+1); |
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1943 } |
0 | 1944 else if (instr->is_tls_instruction()) { |
1945 // Special hack for tlsLoadP | |
1946 fprintf(fp," const Type *bottom_type() const { return TypeRawPtr::BOTTOM; } // tlsLoadP\n"); | |
1947 } | |
1948 else if ( instr->is_ideal_if() ) { | |
1949 fprintf(fp," const Type *bottom_type() const { return TypeTuple::IFBOTH; } // matched IfNode\n"); | |
1950 } | |
1951 else if ( instr->is_ideal_membar() ) { | |
1952 fprintf(fp," const Type *bottom_type() const { return TypeTuple::MEMBAR; } // matched MemBar\n"); | |
1953 } | |
1954 | |
1955 // Check where 'ideal_type' must be customized | |
1956 /* | |
1957 if ( instr->_matrule && instr->_matrule->_rChild && | |
1958 ( strcmp("ConvF2I",instr->_matrule->_rChild->_opType)==0 | |
1959 || strcmp("ConvD2I",instr->_matrule->_rChild->_opType)==0 ) ) { | |
1960 fprintf(fp," virtual uint ideal_reg() const { return Compile::current()->matcher()->base2reg[Type::Int]; }\n"); | |
1961 }*/ | |
1962 | |
1963 // Analyze machine instructions that either USE or DEF memory. | |
1964 int memory_operand = instr->memory_operand(_globalNames); | |
1965 // Some guys kill all of memory | |
1966 if ( instr->is_wide_memory_kill(_globalNames) ) { | |
1967 memory_operand = InstructForm::MANY_MEMORY_OPERANDS; | |
1968 } | |
1969 if ( memory_operand != InstructForm::NO_MEMORY_OPERAND ) { | |
1970 if( memory_operand == InstructForm::MANY_MEMORY_OPERANDS ) { | |
1971 fprintf(fp," virtual const TypePtr *adr_type() const;\n"); | |
1972 } | |
1973 fprintf(fp," virtual const MachOper *memory_operand() const;\n"); | |
1974 } | |
1975 | |
1976 fprintf(fp, "#ifndef PRODUCT\n"); | |
1977 | |
1978 // virtual function for generating the user's assembler output | |
1979 gen_inst_format(fp, _globalNames,*instr); | |
1980 | |
1981 // Machine independent print functionality for debugging | |
1982 fprintf(fp," virtual const char *Name() const { return \"%s\";}\n", | |
1983 instr->_ident); | |
1984 | |
1985 fprintf(fp, "#endif\n"); | |
1986 | |
1987 // Close definition of this XxxMachNode | |
1988 fprintf(fp,"};\n"); | |
1989 }; | |
1990 | |
1991 } | |
1992 | |
1993 void ArchDesc::defineStateClass(FILE *fp) { | |
1994 static const char *state__valid = "_valid[((uint)index) >> 5] & (0x1 << (((uint)index) & 0x0001F))"; | |
1995 static const char *state__set_valid= "_valid[((uint)index) >> 5] |= (0x1 << (((uint)index) & 0x0001F))"; | |
1996 | |
1997 fprintf(fp,"\n"); | |
1998 fprintf(fp,"// MACROS to inline and constant fold State::valid(index)...\n"); | |
1999 fprintf(fp,"// when given a constant 'index' in dfa_<arch>.cpp\n"); | |
2000 fprintf(fp,"// uint word = index >> 5; // Shift out bit position\n"); | |
2001 fprintf(fp,"// uint bitpos = index & 0x0001F; // Mask off word bits\n"); | |
2002 fprintf(fp,"#define STATE__VALID(index) "); | |
2003 fprintf(fp," (%s)\n", state__valid); | |
2004 fprintf(fp,"\n"); | |
2005 fprintf(fp,"#define STATE__NOT_YET_VALID(index) "); | |
2006 fprintf(fp," ( (%s) == 0 )\n", state__valid); | |
2007 fprintf(fp,"\n"); | |
2008 fprintf(fp,"#define STATE__VALID_CHILD(state,index) "); | |
2009 fprintf(fp," ( state && (state->%s) )\n", state__valid); | |
2010 fprintf(fp,"\n"); | |
2011 fprintf(fp,"#define STATE__SET_VALID(index) "); | |
2012 fprintf(fp," (%s)\n", state__set_valid); | |
2013 fprintf(fp,"\n"); | |
2014 fprintf(fp, | |
2015 "//---------------------------State-------------------------------------------\n"); | |
2016 fprintf(fp,"// State contains an integral cost vector, indexed by machine operand opcodes,\n"); | |
2017 fprintf(fp,"// a rule vector consisting of machine operand/instruction opcodes, and also\n"); | |
2018 fprintf(fp,"// indexed by machine operand opcodes, pointers to the children in the label\n"); | |
2019 fprintf(fp,"// tree generated by the Label routines in ideal nodes (currently limited to\n"); | |
2020 fprintf(fp,"// two for convenience, but this could change).\n"); | |
2021 fprintf(fp,"class State : public ResourceObj {\n"); | |
2022 fprintf(fp,"public:\n"); | |
2023 fprintf(fp," int _id; // State identifier\n"); | |
2024 fprintf(fp," Node *_leaf; // Ideal (non-machine-node) leaf of match tree\n"); | |
2025 fprintf(fp," State *_kids[2]; // Children of state node in label tree\n"); | |
2026 fprintf(fp," unsigned int _cost[_LAST_MACH_OPER]; // Cost vector, indexed by operand opcodes\n"); | |
2027 fprintf(fp," unsigned int _rule[_LAST_MACH_OPER]; // Rule vector, indexed by operand opcodes\n"); | |
2028 fprintf(fp," unsigned int _valid[(_LAST_MACH_OPER/32)+1]; // Bit Map of valid Cost/Rule entries\n"); | |
2029 fprintf(fp,"\n"); | |
2030 fprintf(fp," State(void); // Constructor\n"); | |
2031 fprintf(fp," DEBUG_ONLY( ~State(void); ) // Destructor\n"); | |
2032 fprintf(fp,"\n"); | |
2033 fprintf(fp," // Methods created by ADLC and invoked by Reduce\n"); | |
2034 fprintf(fp," MachOper *MachOperGenerator( int opcode, Compile* C );\n"); | |
2035 fprintf(fp," MachNode *MachNodeGenerator( int opcode, Compile* C );\n"); | |
2036 fprintf(fp,"\n"); | |
2037 fprintf(fp," // Assign a state to a node, definition of method produced by ADLC\n"); | |
2038 fprintf(fp," bool DFA( int opcode, const Node *ideal );\n"); | |
2039 fprintf(fp,"\n"); | |
2040 fprintf(fp," // Access function for _valid bit vector\n"); | |
2041 fprintf(fp," bool valid(uint index) {\n"); | |
2042 fprintf(fp," return( STATE__VALID(index) != 0 );\n"); | |
2043 fprintf(fp," }\n"); | |
2044 fprintf(fp,"\n"); | |
2045 fprintf(fp," // Set function for _valid bit vector\n"); | |
2046 fprintf(fp," void set_valid(uint index) {\n"); | |
2047 fprintf(fp," STATE__SET_VALID(index);\n"); | |
2048 fprintf(fp," }\n"); | |
2049 fprintf(fp,"\n"); | |
2050 fprintf(fp,"#ifndef PRODUCT\n"); | |
2051 fprintf(fp," void dump(); // Debugging prints\n"); | |
2052 fprintf(fp," void dump(int depth);\n"); | |
2053 fprintf(fp,"#endif\n"); | |
2054 if (_dfa_small) { | |
2055 // Generate the routine name we'll need | |
2056 for (int i = 1; i < _last_opcode; i++) { | |
2057 if (_mlistab[i] == NULL) continue; | |
2058 fprintf(fp, " void _sub_Op_%s(const Node *n);\n", NodeClassNames[i]); | |
2059 } | |
2060 } | |
2061 fprintf(fp,"};\n"); | |
2062 fprintf(fp,"\n"); | |
2063 fprintf(fp,"\n"); | |
2064 | |
2065 } | |
2066 | |
2067 | |
2068 //---------------------------buildMachOperEnum--------------------------------- | |
2069 // Build enumeration for densely packed operands. | |
2070 // This enumeration is used to index into the arrays in the State objects | |
2071 // that indicate cost and a successfull rule match. | |
2072 | |
2073 // Information needed to generate the ReduceOp mapping for the DFA | |
2074 class OutputMachOperands : public OutputMap { | |
2075 public: | |
2076 OutputMachOperands(FILE *hpp, FILE *cpp, FormDict &globals, ArchDesc &AD) | |
6850 | 2077 : OutputMap(hpp, cpp, globals, AD, "MachOperands") {}; |
0 | 2078 |
2079 void declaration() { } | |
2080 void definition() { fprintf(_cpp, "enum MachOperands {\n"); } | |
2081 void closing() { fprintf(_cpp, " _LAST_MACH_OPER\n"); | |
2082 OutputMap::closing(); | |
2083 } | |
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2084 void map(OpClassForm &opc) { |
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2085 const char* opc_ident_to_upper = _AD.machOperEnum(opc._ident); |
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2086 fprintf(_cpp, " %s", opc_ident_to_upper); |
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2087 delete[] opc_ident_to_upper; |
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2088 } |
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2089 void map(OperandForm &oper) { |
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2090 const char* oper_ident_to_upper = _AD.machOperEnum(oper._ident); |
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2091 fprintf(_cpp, " %s", oper_ident_to_upper); |
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2092 delete[] oper_ident_to_upper; |
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2093 } |
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2094 void map(char *name) { |
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2095 const char* name_to_upper = _AD.machOperEnum(name); |
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2096 fprintf(_cpp, " %s", name_to_upper); |
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2097 delete[] name_to_upper; |
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2098 } |
0 | 2099 |
2100 bool do_instructions() { return false; } | |
2101 void map(InstructForm &inst){ assert( false, "ShouldNotCallThis()"); } | |
2102 }; | |
2103 | |
2104 | |
2105 void ArchDesc::buildMachOperEnum(FILE *fp_hpp) { | |
2106 // Construct the table for MachOpcodes | |
2107 OutputMachOperands output_mach_operands(fp_hpp, fp_hpp, _globalNames, *this); | |
2108 build_map(output_mach_operands); | |
2109 } | |
2110 | |
2111 | |
2112 //---------------------------buildMachEnum---------------------------------- | |
2113 // Build enumeration for all MachOpers and all MachNodes | |
2114 | |
2115 // Information needed to generate the ReduceOp mapping for the DFA | |
2116 class OutputMachOpcodes : public OutputMap { | |
2117 int begin_inst_chain_rule; | |
2118 int end_inst_chain_rule; | |
2119 int begin_rematerialize; | |
2120 int end_rematerialize; | |
2121 int end_instructions; | |
2122 public: | |
2123 OutputMachOpcodes(FILE *hpp, FILE *cpp, FormDict &globals, ArchDesc &AD) | |
6850 | 2124 : OutputMap(hpp, cpp, globals, AD, "MachOpcodes"), |
0 | 2125 begin_inst_chain_rule(-1), end_inst_chain_rule(-1), end_instructions(-1) |
2126 {}; | |
2127 | |
2128 void declaration() { } | |
2129 void definition() { fprintf(_cpp, "enum MachOpcodes {\n"); } | |
2130 void closing() { | |
2131 if( begin_inst_chain_rule != -1 ) | |
2132 fprintf(_cpp, " _BEGIN_INST_CHAIN_RULE = %d,\n", begin_inst_chain_rule); | |
2133 if( end_inst_chain_rule != -1 ) | |
2134 fprintf(_cpp, " _END_INST_CHAIN_RULE = %d,\n", end_inst_chain_rule); | |
2135 if( begin_rematerialize != -1 ) | |
2136 fprintf(_cpp, " _BEGIN_REMATERIALIZE = %d,\n", begin_rematerialize); | |
2137 if( end_rematerialize != -1 ) | |
2138 fprintf(_cpp, " _END_REMATERIALIZE = %d,\n", end_rematerialize); | |
2139 // always execute since do_instructions() is true, and avoids trailing comma | |
2140 fprintf(_cpp, " _last_Mach_Node = %d \n", end_instructions); | |
2141 OutputMap::closing(); | |
2142 } | |
2143 void map(OpClassForm &opc) { fprintf(_cpp, " %s_rule", opc._ident ); } | |
2144 void map(OperandForm &oper) { fprintf(_cpp, " %s_rule", oper._ident ); } | |
2145 void map(char *name) { if (name) fprintf(_cpp, " %s_rule", name); | |
2146 else fprintf(_cpp, " 0"); } | |
2147 void map(InstructForm &inst) {fprintf(_cpp, " %s_rule", inst._ident ); } | |
2148 | |
2149 void record_position(OutputMap::position place, int idx ) { | |
2150 switch(place) { | |
2151 case OutputMap::BEGIN_INST_CHAIN_RULES : | |
2152 begin_inst_chain_rule = idx; | |
2153 break; | |
2154 case OutputMap::END_INST_CHAIN_RULES : | |
2155 end_inst_chain_rule = idx; | |
2156 break; | |
2157 case OutputMap::BEGIN_REMATERIALIZE : | |
2158 begin_rematerialize = idx; | |
2159 break; | |
2160 case OutputMap::END_REMATERIALIZE : | |
2161 end_rematerialize = idx; | |
2162 break; | |
2163 case OutputMap::END_INSTRUCTIONS : | |
2164 end_instructions = idx; | |
2165 break; | |
2166 default: | |
2167 break; | |
2168 } | |
2169 } | |
2170 }; | |
2171 | |
2172 | |
2173 void ArchDesc::buildMachOpcodesEnum(FILE *fp_hpp) { | |
2174 // Construct the table for MachOpcodes | |
2175 OutputMachOpcodes output_mach_opcodes(fp_hpp, fp_hpp, _globalNames, *this); | |
2176 build_map(output_mach_opcodes); | |
2177 } | |
2178 | |
2179 | |
2180 // Generate an enumeration of the pipeline states, and both | |
2181 // the functional units (resources) and the masks for | |
2182 // specifying resources | |
2183 void ArchDesc::build_pipeline_enums(FILE *fp_hpp) { | |
2184 int stagelen = (int)strlen("undefined"); | |
2185 int stagenum = 0; | |
2186 | |
2187 if (_pipeline) { // Find max enum string length | |
2188 const char *stage; | |
2189 for ( _pipeline->_stages.reset(); (stage = _pipeline->_stages.iter()) != NULL; ) { | |
2190 int len = (int)strlen(stage); | |
2191 if (stagelen < len) stagelen = len; | |
2192 } | |
2193 } | |
2194 | |
2195 // Generate a list of stages | |
2196 fprintf(fp_hpp, "\n"); | |
2197 fprintf(fp_hpp, "// Pipeline Stages\n"); | |
2198 fprintf(fp_hpp, "enum machPipelineStages {\n"); | |
2199 fprintf(fp_hpp, " stage_%-*s = 0,\n", stagelen, "undefined"); | |
2200 | |
2201 if( _pipeline ) { | |
2202 const char *stage; | |
2203 for ( _pipeline->_stages.reset(); (stage = _pipeline->_stages.iter()) != NULL; ) | |
2204 fprintf(fp_hpp, " stage_%-*s = %d,\n", stagelen, stage, ++stagenum); | |
2205 } | |
2206 | |
2207 fprintf(fp_hpp, " stage_%-*s = %d\n", stagelen, "count", stagenum); | |
2208 fprintf(fp_hpp, "};\n"); | |
2209 | |
2210 fprintf(fp_hpp, "\n"); | |
2211 fprintf(fp_hpp, "// Pipeline Resources\n"); | |
2212 fprintf(fp_hpp, "enum machPipelineResources {\n"); | |
2213 int rescount = 0; | |
2214 | |
2215 if( _pipeline ) { | |
2216 const char *resource; | |
2217 int reslen = 0; | |
2218 | |
2219 // Generate a list of resources, and masks | |
2220 for ( _pipeline->_reslist.reset(); (resource = _pipeline->_reslist.iter()) != NULL; ) { | |
2221 int len = (int)strlen(resource); | |
2222 if (reslen < len) | |
2223 reslen = len; | |
2224 } | |
2225 | |
2226 for ( _pipeline->_reslist.reset(); (resource = _pipeline->_reslist.iter()) != NULL; ) { | |
2227 const ResourceForm *resform = _pipeline->_resdict[resource]->is_resource(); | |
2228 int mask = resform->mask(); | |
2229 if ((mask & (mask-1)) == 0) | |
2230 fprintf(fp_hpp, " resource_%-*s = %d,\n", reslen, resource, rescount++); | |
2231 } | |
2232 fprintf(fp_hpp, "\n"); | |
2233 for ( _pipeline->_reslist.reset(); (resource = _pipeline->_reslist.iter()) != NULL; ) { | |
2234 const ResourceForm *resform = _pipeline->_resdict[resource]->is_resource(); | |
2235 fprintf(fp_hpp, " res_mask_%-*s = 0x%08x,\n", reslen, resource, resform->mask()); | |
2236 } | |
2237 fprintf(fp_hpp, "\n"); | |
2238 } | |
2239 fprintf(fp_hpp, " resource_count = %d\n", rescount); | |
2240 fprintf(fp_hpp, "};\n"); | |
2241 } |