| author | kvn |
| Fri, 01 Aug 2008 10:06:45 -0700 | |
| changeset 1055 | f4fb9fb08038 |
| parent 670 | ddf3e9583f2f |
| child 1495 | 128fe18951ed |
| permissions | -rw-r--r-- |
| 1 | 1 |
/* |
| 670 | 2 |
* Copyright 1998-2008 Sun Microsystems, Inc. All Rights Reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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* CA 95054 USA or visit www.sun.com if you need additional information or |
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* have any questions. |
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* |
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*/ |
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||
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// output_h.cpp - Class HPP file output routines for architecture definition |
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#include "adlc.hpp" |
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||
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// Generate the #define that describes the number of registers. |
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static void defineRegCount(FILE *fp, RegisterForm *registers) {
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if (registers) {
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int regCount = AdlcVMDeps::Physical + registers->_rdefs.count(); |
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fprintf(fp,"\n"); |
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fprintf(fp,"// the number of reserved registers + machine registers.\n"); |
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fprintf(fp,"#define REG_COUNT %d\n", regCount); |
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} |
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} |
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||
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// Output enumeration of machine register numbers |
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// (1) |
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// // Enumerate machine registers starting after reserved regs. |
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// // in the order of occurrence in the register block. |
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// enum MachRegisterNumbers {
|
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// EAX_num = 0, |
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// ... |
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// _last_Mach_Reg |
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// } |
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void ArchDesc::buildMachRegisterNumbers(FILE *fp_hpp) {
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if (_register) {
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RegDef *reg_def = NULL; |
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||
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// Output a #define for the number of machine registers |
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defineRegCount(fp_hpp, _register); |
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||
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// Count all the Save_On_Entry and Always_Save registers |
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int saved_on_entry = 0; |
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int c_saved_on_entry = 0; |
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_register->reset_RegDefs(); |
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while( (reg_def = _register->iter_RegDefs()) != NULL ) {
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if( strcmp(reg_def->_callconv,"SOE") == 0 || |
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strcmp(reg_def->_callconv,"AS") == 0 ) ++saved_on_entry; |
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if( strcmp(reg_def->_c_conv,"SOE") == 0 || |
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strcmp(reg_def->_c_conv,"AS") == 0 ) ++c_saved_on_entry; |
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} |
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fprintf(fp_hpp, "\n"); |
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fprintf(fp_hpp, "// the number of save_on_entry + always_saved registers.\n"); |
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fprintf(fp_hpp, "#define MAX_SAVED_ON_ENTRY_REG_COUNT %d\n", max(saved_on_entry,c_saved_on_entry)); |
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fprintf(fp_hpp, "#define SAVED_ON_ENTRY_REG_COUNT %d\n", saved_on_entry); |
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fprintf(fp_hpp, "#define C_SAVED_ON_ENTRY_REG_COUNT %d\n", c_saved_on_entry); |
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// (1) |
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// Build definition for enumeration of register numbers |
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fprintf(fp_hpp, "\n"); |
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fprintf(fp_hpp, "// Enumerate machine register numbers starting after reserved regs.\n"); |
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fprintf(fp_hpp, "// in the order of occurrence in the register block.\n"); |
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fprintf(fp_hpp, "enum MachRegisterNumbers {\n");
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// Output the register number for each register in the allocation classes |
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_register->reset_RegDefs(); |
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int i = 0; |
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while( (reg_def = _register->iter_RegDefs()) != NULL ) {
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fprintf(fp_hpp," %s_num,\t\t// %d\n", reg_def->_regname, i++); |
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} |
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// Finish defining enumeration |
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fprintf(fp_hpp, " _last_Mach_Reg\t// %d\n", i); |
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fprintf(fp_hpp, "};\n"); |
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} |
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fprintf(fp_hpp, "\n// Size of register-mask in ints\n"); |
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fprintf(fp_hpp, "#define RM_SIZE %d\n",RegisterForm::RegMask_Size()); |
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fprintf(fp_hpp, "// Unroll factor for loops over the data in a RegMask\n"); |
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fprintf(fp_hpp, "#define FORALL_BODY "); |
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int len = RegisterForm::RegMask_Size(); |
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for( int i = 0; i < len; i++ ) |
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fprintf(fp_hpp, "BODY(%d) ",i); |
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fprintf(fp_hpp, "\n\n"); |
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fprintf(fp_hpp,"class RegMask;\n"); |
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// All RegMasks are declared "extern const ..." in ad_<arch>.hpp |
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// fprintf(fp_hpp,"extern RegMask STACK_OR_STACK_SLOTS_mask;\n\n"); |
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} |
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// Output enumeration of machine register encodings |
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// (2) |
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// // Enumerate machine registers starting after reserved regs. |
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// // in the order of occurrence in the alloc_class(es). |
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// enum MachRegisterEncodes {
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// EAX_enc = 0x00, |
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// ... |
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// } |
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void ArchDesc::buildMachRegisterEncodes(FILE *fp_hpp) {
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if (_register) {
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RegDef *reg_def = NULL; |
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RegDef *reg_def_next = NULL; |
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// (2) |
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// Build definition for enumeration of encode values |
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fprintf(fp_hpp, "\n"); |
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fprintf(fp_hpp, "// Enumerate machine registers starting after reserved regs.\n"); |
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fprintf(fp_hpp, "// in the order of occurrence in the alloc_class(es).\n"); |
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fprintf(fp_hpp, "enum MachRegisterEncodes {\n");
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// Output the register encoding for each register in the allocation classes |
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_register->reset_RegDefs(); |
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reg_def_next = _register->iter_RegDefs(); |
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while( (reg_def = reg_def_next) != NULL ) {
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reg_def_next = _register->iter_RegDefs(); |
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fprintf(fp_hpp," %s_enc = %s%s\n", |
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reg_def->_regname, reg_def->register_encode(), reg_def_next == NULL? "" : "," ); |
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} |
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// Finish defining enumeration |
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fprintf(fp_hpp, "};\n"); |
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} // Done with register form |
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} |
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// Declare an array containing the machine register names, strings. |
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static void declareRegNames(FILE *fp, RegisterForm *registers) {
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if (registers) {
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// fprintf(fp,"\n"); |
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// fprintf(fp,"// An array of character pointers to machine register names.\n"); |
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// fprintf(fp,"extern const char *regName[];\n"); |
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} |
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} |
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// Declare an array containing the machine register sizes in 32-bit words. |
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void ArchDesc::declareRegSizes(FILE *fp) {
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// regSize[] is not used |
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} |
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// Declare an array containing the machine register encoding values |
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static void declareRegEncodes(FILE *fp, RegisterForm *registers) {
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if (registers) {
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// // // |
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// fprintf(fp,"\n"); |
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// fprintf(fp,"// An array containing the machine register encode values\n"); |
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// fprintf(fp,"extern const char regEncode[];\n"); |
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} |
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} |
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// --------------------------------------------------------------------------- |
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//------------------------------Utilities to build Instruction Classes-------- |
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// --------------------------------------------------------------------------- |
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static void out_RegMask(FILE *fp) {
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fprintf(fp," virtual const RegMask &out_RegMask() const;\n"); |
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} |
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// --------------------------------------------------------------------------- |
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//--------Utilities to build MachOper and MachNode derived Classes------------ |
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// --------------------------------------------------------------------------- |
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//------------------------------Utilities to build Operand Classes------------ |
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static void in_RegMask(FILE *fp) {
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fprintf(fp," virtual const RegMask *in_RegMask(int index) const;\n"); |
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} |
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static void declare_hash(FILE *fp) {
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fprintf(fp," virtual uint hash() const;\n"); |
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} |
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static void declare_cmp(FILE *fp) {
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fprintf(fp," virtual uint cmp( const MachOper &oper ) const;\n"); |
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} |
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static void declareConstStorage(FILE *fp, FormDict &globals, OperandForm *oper) {
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int i = 0; |
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Component *comp; |
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if (oper->num_consts(globals) == 0) return; |
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// Iterate over the component list looking for constants |
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oper->_components.reset(); |
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if ((comp = oper->_components.iter()) == NULL) {
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assert(oper->num_consts(globals) == 1, "Bad component list detected.\n"); |
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const char *type = oper->ideal_type(globals); |
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if (!strcmp(type, "ConI")) {
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if (i > 0) fprintf(fp,", "); |
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fprintf(fp," int32 _c%d;\n", i); |
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} |
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else if (!strcmp(type, "ConP")) {
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if (i > 0) fprintf(fp,", "); |
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fprintf(fp," const TypePtr *_c%d;\n", i); |
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} |
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else if (!strcmp(type, "ConN")) {
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if (i > 0) fprintf(fp,", "); |
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fprintf(fp," const TypeNarrowOop *_c%d;\n", i); |
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} |
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else if (!strcmp(type, "ConL")) {
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if (i > 0) fprintf(fp,", "); |
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fprintf(fp," jlong _c%d;\n", i); |
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} |
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else if (!strcmp(type, "ConF")) {
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if (i > 0) fprintf(fp,", "); |
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fprintf(fp," jfloat _c%d;\n", i); |
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} |
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else if (!strcmp(type, "ConD")) {
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if (i > 0) fprintf(fp,", "); |
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fprintf(fp," jdouble _c%d;\n", i); |
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} |
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else if (!strcmp(type, "Bool")) {
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fprintf(fp,"private:\n"); |
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fprintf(fp," BoolTest::mask _c%d;\n", i); |
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fprintf(fp,"public:\n"); |
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} |
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else {
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assert(0, "Non-constant operand lacks component list."); |
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} |
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} // end if NULL |
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else {
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oper->_components.reset(); |
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while ((comp = oper->_components.iter()) != NULL) {
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if (!strcmp(comp->base_type(globals), "ConI")) {
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fprintf(fp," jint _c%d;\n", i); |
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i++; |
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} |
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else if (!strcmp(comp->base_type(globals), "ConP")) {
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fprintf(fp," const TypePtr *_c%d;\n", i); |
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i++; |
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} |
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else if (!strcmp(comp->base_type(globals), "ConN")) {
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fprintf(fp," const TypePtr *_c%d;\n", i); |
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i++; |
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} |
| 1 | 246 |
else if (!strcmp(comp->base_type(globals), "ConL")) {
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fprintf(fp," jlong _c%d;\n", i); |
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i++; |
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} |
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else if (!strcmp(comp->base_type(globals), "ConF")) {
|
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fprintf(fp," jfloat _c%d;\n", i); |
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i++; |
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} |
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254 |
else if (!strcmp(comp->base_type(globals), "ConD")) {
|
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fprintf(fp," jdouble _c%d;\n", i); |
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i++; |
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} |
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} |
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} |
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} |
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261 |
||
262 |
// Declare constructor. |
|
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// Parameters start with condition code, then all other constants |
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// |
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// (0) public: |
|
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// (1) MachXOper(int32 ccode, int32 c0, int32 c1, ..., int32 cn) |
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// (2) : _ccode(ccode), _c0(c0), _c1(c1), ..., _cn(cn) { }
|
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// |
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269 |
static void defineConstructor(FILE *fp, const char *name, uint num_consts, |
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ComponentList &lst, bool is_ideal_bool, |
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Form::DataType constant_type, FormDict &globals) {
|
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272 |
fprintf(fp,"public:\n"); |
|
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// generate line (1) |
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fprintf(fp," %sOper(", name);
|
|
275 |
if( num_consts == 0 ) {
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276 |
fprintf(fp,") {}\n");
|
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277 |
return; |
|
278 |
} |
|
279 |
||
280 |
// generate parameters for constants |
|
281 |
uint i = 0; |
|
282 |
Component *comp; |
|
283 |
lst.reset(); |
|
284 |
if ((comp = lst.iter()) == NULL) {
|
|
285 |
assert(num_consts == 1, "Bad component list detected.\n"); |
|
286 |
switch( constant_type ) {
|
|
287 |
case Form::idealI : {
|
|
288 |
fprintf(fp,is_ideal_bool ? "BoolTest::mask c%d" : "int32 c%d", i); |
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break; |
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290 |
} |
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case Form::idealN : { fprintf(fp,"const TypeNarrowOop *c%d", i); break; }
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| 1 | 292 |
case Form::idealP : { fprintf(fp,"const TypePtr *c%d", i); break; }
|
293 |
case Form::idealL : { fprintf(fp,"jlong c%d", i); break; }
|
|
294 |
case Form::idealF : { fprintf(fp,"jfloat c%d", i); break; }
|
|
295 |
case Form::idealD : { fprintf(fp,"jdouble c%d", i); break; }
|
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296 |
default: |
|
297 |
assert(!is_ideal_bool, "Non-constant operand lacks component list."); |
|
298 |
break; |
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299 |
} |
|
300 |
} // end if NULL |
|
301 |
else {
|
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302 |
lst.reset(); |
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303 |
while((comp = lst.iter()) != NULL) {
|
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304 |
if (!strcmp(comp->base_type(globals), "ConI")) {
|
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305 |
if (i > 0) fprintf(fp,", "); |
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306 |
fprintf(fp,"int32 c%d", i); |
|
307 |
i++; |
|
308 |
} |
|
309 |
else if (!strcmp(comp->base_type(globals), "ConP")) {
|
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310 |
if (i > 0) fprintf(fp,", "); |
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311 |
fprintf(fp,"const TypePtr *c%d", i); |
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312 |
i++; |
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313 |
} |
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else if (!strcmp(comp->base_type(globals), "ConN")) {
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if (i > 0) fprintf(fp,", "); |
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fprintf(fp,"const TypePtr *c%d", i); |
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i++; |
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|
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} |
| 1 | 319 |
else if (!strcmp(comp->base_type(globals), "ConL")) {
|
320 |
if (i > 0) fprintf(fp,", "); |
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321 |
fprintf(fp,"jlong c%d", i); |
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322 |
i++; |
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323 |
} |
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324 |
else if (!strcmp(comp->base_type(globals), "ConF")) {
|
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325 |
if (i > 0) fprintf(fp,", "); |
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fprintf(fp,"jfloat c%d", i); |
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i++; |
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} |
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329 |
else if (!strcmp(comp->base_type(globals), "ConD")) {
|
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330 |
if (i > 0) fprintf(fp,", "); |
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331 |
fprintf(fp,"jdouble c%d", i); |
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332 |
i++; |
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333 |
} |
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334 |
else if (!strcmp(comp->base_type(globals), "Bool")) {
|
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335 |
if (i > 0) fprintf(fp,", "); |
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336 |
fprintf(fp,"BoolTest::mask c%d", i); |
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337 |
i++; |
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338 |
} |
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339 |
} |
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340 |
} |
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341 |
// finish line (1) and start line (2) |
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342 |
fprintf(fp,") : "); |
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343 |
// generate initializers for constants |
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344 |
i = 0; |
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345 |
fprintf(fp,"_c%d(c%d)", i, i); |
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346 |
for( i = 1; i < num_consts; ++i) {
|
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347 |
fprintf(fp,", _c%d(c%d)", i, i); |
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348 |
} |
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349 |
// The body for the constructor is empty |
|
350 |
fprintf(fp," {}\n");
|
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351 |
} |
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352 |
||
353 |
// --------------------------------------------------------------------------- |
|
354 |
// Utilities to generate format rules for machine operands and instructions |
|
355 |
// --------------------------------------------------------------------------- |
|
356 |
||
357 |
// Generate the format rule for condition codes |
|
358 |
static void defineCCodeDump(FILE *fp, int i) {
|
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359 |
fprintf(fp, " if( _c%d == BoolTest::eq ) st->print(\"eq\");\n",i); |
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360 |
fprintf(fp, " else if( _c%d == BoolTest::ne ) st->print(\"ne\");\n",i); |
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361 |
fprintf(fp, " else if( _c%d == BoolTest::le ) st->print(\"le\");\n",i); |
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362 |
fprintf(fp, " else if( _c%d == BoolTest::ge ) st->print(\"ge\");\n",i); |
|
363 |
fprintf(fp, " else if( _c%d == BoolTest::lt ) st->print(\"lt\");\n",i); |
|
364 |
fprintf(fp, " else if( _c%d == BoolTest::gt ) st->print(\"gt\");\n",i); |
|
365 |
} |
|
366 |
||
367 |
// Output code that dumps constant values, increment "i" if type is constant |
|
368 |
static uint dump_spec_constant(FILE *fp, const char *ideal_type, uint i) {
|
|
369 |
if (!strcmp(ideal_type, "ConI")) {
|
|
370 |
fprintf(fp," st->print(\"#%%d\", _c%d);\n", i); |
|
371 |
++i; |
|
372 |
} |
|
373 |
else if (!strcmp(ideal_type, "ConP")) {
|
|
374 |
fprintf(fp," _c%d->dump_on(st);\n", i); |
|
375 |
++i; |
|
376 |
} |
|
|
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|
377 |
else if (!strcmp(ideal_type, "ConN")) {
|
|
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|
378 |
fprintf(fp," _c%d->dump();\n", i); |
|
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|
379 |
++i; |
|
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|
380 |
} |
| 1 | 381 |
else if (!strcmp(ideal_type, "ConL")) {
|
382 |
fprintf(fp," st->print(\"#\" INT64_FORMAT, _c%d);\n", i); |
|
383 |
++i; |
|
384 |
} |
|
385 |
else if (!strcmp(ideal_type, "ConF")) {
|
|
386 |
fprintf(fp," st->print(\"#%%f\", _c%d);\n", i); |
|
387 |
++i; |
|
388 |
} |
|
389 |
else if (!strcmp(ideal_type, "ConD")) {
|
|
390 |
fprintf(fp," st->print(\"#%%f\", _c%d);\n", i); |
|
391 |
++i; |
|
392 |
} |
|
393 |
else if (!strcmp(ideal_type, "Bool")) {
|
|
394 |
defineCCodeDump(fp,i); |
|
395 |
++i; |
|
396 |
} |
|
397 |
||
398 |
return i; |
|
399 |
} |
|
400 |
||
401 |
// Generate the format rule for an operand |
|
402 |
void gen_oper_format(FILE *fp, FormDict &globals, OperandForm &oper, bool for_c_file = false) {
|
|
403 |
if (!for_c_file) {
|
|
404 |
// invoked after output #ifndef PRODUCT to ad_<arch>.hpp |
|
405 |
// compile the bodies separately, to cut down on recompilations |
|
406 |
fprintf(fp," virtual void int_format(PhaseRegAlloc *ra, const MachNode *node, outputStream *st) const;\n"); |
|
407 |
fprintf(fp," virtual void ext_format(PhaseRegAlloc *ra, const MachNode *node, int idx, outputStream *st) const;\n"); |
|
408 |
return; |
|
409 |
} |
|
410 |
||
411 |
// Local pointer indicates remaining part of format rule |
|
412 |
uint idx = 0; // position of operand in match rule |
|
413 |
||
414 |
// Generate internal format function, used when stored locally |
|
415 |
fprintf(fp, "\n#ifndef PRODUCT\n"); |
|
416 |
fprintf(fp,"void %sOper::int_format(PhaseRegAlloc *ra, const MachNode *node, outputStream *st) const {\n", oper._ident);
|
|
417 |
// Generate the user-defined portion of the format |
|
418 |
if (oper._format) {
|
|
419 |
if ( oper._format->_strings.count() != 0 ) {
|
|
420 |
// No initialization code for int_format |
|
421 |
||
422 |
// Build the format from the entries in strings and rep_vars |
|
423 |
const char *string = NULL; |
|
424 |
oper._format->_rep_vars.reset(); |
|
425 |
oper._format->_strings.reset(); |
|
426 |
while ( (string = oper._format->_strings.iter()) != NULL ) {
|
|
427 |
fprintf(fp," "); |
|
428 |
||
429 |
// Check if this is a standard string or a replacement variable |
|
430 |
if ( string != NameList::_signal ) {
|
|
431 |
// Normal string |
|
432 |
// Pass through to st->print |
|
433 |
fprintf(fp,"st->print(\"%s\");\n", string); |
|
434 |
} else {
|
|
435 |
// Replacement variable |
|
436 |
const char *rep_var = oper._format->_rep_vars.iter(); |
|
437 |
// Check that it is a local name, and an operand |
|
|
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438 |
const Form* form = oper._localNames[rep_var]; |
|
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|
439 |
if (form == NULL) {
|
|
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|
440 |
globalAD->syntax_err(oper._linenum, |
|
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|
441 |
"\'%s\' not found in format for %s\n", rep_var, oper._ident); |
|
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|
442 |
assert(form, "replacement variable was not found in local names"); |
|
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|
443 |
} |
|
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|
444 |
OperandForm *op = form->is_operand(); |
| 1 | 445 |
// Get index if register or constant |
446 |
if ( op->_matrule && op->_matrule->is_base_register(globals) ) {
|
|
447 |
idx = oper.register_position( globals, rep_var); |
|
448 |
} |
|
449 |
else if (op->_matrule && op->_matrule->is_base_constant(globals)) {
|
|
450 |
idx = oper.constant_position( globals, rep_var); |
|
451 |
} else {
|
|
452 |
idx = 0; |
|
453 |
} |
|
454 |
||
455 |
// output invocation of "$..."s format function |
|
456 |
if ( op != NULL ) op->int_format(fp, globals, idx); |
|
457 |
||
458 |
if ( idx == -1 ) {
|
|
459 |
fprintf(stderr, |
|
460 |
"Using a name, %s, that isn't in match rule\n", rep_var); |
|
461 |
assert( strcmp(op->_ident,"label")==0, "Unimplemented"); |
|
462 |
} |
|
463 |
} // Done with a replacement variable |
|
464 |
} // Done with all format strings |
|
465 |
} else {
|
|
466 |
// Default formats for base operands (RegI, RegP, ConI, ConP, ...) |
|
467 |
oper.int_format(fp, globals, 0); |
|
468 |
} |
|
469 |
||
470 |
} else { // oper._format == NULL
|
|
471 |
// Provide a few special case formats where the AD writer cannot. |
|
472 |
if ( strcmp(oper._ident,"Universe")==0 ) {
|
|
473 |
fprintf(fp, " st->print(\"$$univ\");\n"); |
|
474 |
} |
|
475 |
// labelOper::int_format is defined in ad_<...>.cpp |
|
476 |
} |
|
477 |
// ALWAYS! Provide a special case output for condition codes. |
|
478 |
if( oper.is_ideal_bool() ) {
|
|
479 |
defineCCodeDump(fp,0); |
|
480 |
} |
|
481 |
fprintf(fp,"}\n"); |
|
482 |
||
483 |
// Generate external format function, when data is stored externally |
|
484 |
fprintf(fp,"void %sOper::ext_format(PhaseRegAlloc *ra, const MachNode *node, int idx, outputStream *st) const {\n", oper._ident);
|
|
485 |
// Generate the user-defined portion of the format |
|
486 |
if (oper._format) {
|
|
487 |
if ( oper._format->_strings.count() != 0 ) {
|
|
488 |
||
489 |
// Check for a replacement string "$..." |
|
490 |
if ( oper._format->_rep_vars.count() != 0 ) {
|
|
491 |
// Initialization code for ext_format |
|
492 |
} |
|
493 |
||
494 |
// Build the format from the entries in strings and rep_vars |
|
495 |
const char *string = NULL; |
|
496 |
oper._format->_rep_vars.reset(); |
|
497 |
oper._format->_strings.reset(); |
|
498 |
while ( (string = oper._format->_strings.iter()) != NULL ) {
|
|
499 |
fprintf(fp," "); |
|
500 |
||
501 |
// Check if this is a standard string or a replacement variable |
|
502 |
if ( string != NameList::_signal ) {
|
|
503 |
// Normal string |
|
504 |
// Pass through to st->print |
|
505 |
fprintf(fp,"st->print(\"%s\");\n", string); |
|
506 |
} else {
|
|
507 |
// Replacement variable |
|
508 |
const char *rep_var = oper._format->_rep_vars.iter(); |
|
|
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|
509 |
// Check that it is a local name, and an operand |
|
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|
510 |
const Form* form = oper._localNames[rep_var]; |
|
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|
511 |
if (form == NULL) {
|
|
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|
512 |
globalAD->syntax_err(oper._linenum, |
|
21d113ecbf6a
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diff
changeset
|
513 |
"\'%s\' not found in format for %s\n", rep_var, oper._ident); |
|
21d113ecbf6a
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|
514 |
assert(form, "replacement variable was not found in local names"); |
|
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|
515 |
} |
|
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|
516 |
OperandForm *op = form->is_operand(); |
| 1 | 517 |
// Get index if register or constant |
518 |
if ( op->_matrule && op->_matrule->is_base_register(globals) ) {
|
|
519 |
idx = oper.register_position( globals, rep_var); |
|
520 |
} |
|
521 |
else if (op->_matrule && op->_matrule->is_base_constant(globals)) {
|
|
522 |
idx = oper.constant_position( globals, rep_var); |
|
523 |
} else {
|
|
524 |
idx = 0; |
|
525 |
} |
|
526 |
// output invocation of "$..."s format function |
|
527 |
if ( op != NULL ) op->ext_format(fp, globals, idx); |
|
528 |
||
529 |
// Lookup the index position of the replacement variable |
|
530 |
idx = oper._components.operand_position_format(rep_var); |
|
531 |
if ( idx == -1 ) {
|
|
532 |
fprintf(stderr, |
|
533 |
"Using a name, %s, that isn't in match rule\n", rep_var); |
|
534 |
assert( strcmp(op->_ident,"label")==0, "Unimplemented"); |
|
535 |
} |
|
536 |
} // Done with a replacement variable |
|
537 |
} // Done with all format strings |
|
538 |
||
539 |
} else {
|
|
540 |
// Default formats for base operands (RegI, RegP, ConI, ConP, ...) |
|
541 |
oper.ext_format(fp, globals, 0); |
|
542 |
} |
|
543 |
} else { // oper._format == NULL
|
|
544 |
// Provide a few special case formats where the AD writer cannot. |
|
545 |
if ( strcmp(oper._ident,"Universe")==0 ) {
|
|
546 |
fprintf(fp, " st->print(\"$$univ\");\n"); |
|
547 |
} |
|
548 |
// labelOper::ext_format is defined in ad_<...>.cpp |
|
549 |
} |
|
550 |
// ALWAYS! Provide a special case output for condition codes. |
|
551 |
if( oper.is_ideal_bool() ) {
|
|
552 |
defineCCodeDump(fp,0); |
|
553 |
} |
|
554 |
fprintf(fp, "}\n"); |
|
555 |
fprintf(fp, "#endif\n"); |
|
556 |
} |
|
557 |
||
558 |
||
559 |
// Generate the format rule for an instruction |
|
560 |
void gen_inst_format(FILE *fp, FormDict &globals, InstructForm &inst, bool for_c_file = false) {
|
|
561 |
if (!for_c_file) {
|
|
562 |
// compile the bodies separately, to cut down on recompilations |
|
563 |
// #ifndef PRODUCT region generated by caller |
|
564 |
fprintf(fp," virtual void format(PhaseRegAlloc *ra, outputStream *st) const;\n"); |
|
565 |
return; |
|
566 |
} |
|
567 |
||
568 |
// Define the format function |
|
569 |
fprintf(fp, "#ifndef PRODUCT\n"); |
|
570 |
fprintf(fp, "void %sNode::format(PhaseRegAlloc *ra, outputStream *st) const {\n", inst._ident);
|
|
571 |
||
572 |
// Generate the user-defined portion of the format |
|
573 |
if( inst._format ) {
|
|
574 |
// If there are replacement variables, |
|
575 |
// Generate index values needed for determing the operand position |
|
576 |
if( inst._format->_rep_vars.count() ) |
|
577 |
inst.index_temps(fp, globals); |
|
578 |
||
579 |
// Build the format from the entries in strings and rep_vars |
|
580 |
const char *string = NULL; |
|
581 |
inst._format->_rep_vars.reset(); |
|
582 |
inst._format->_strings.reset(); |
|
583 |
while( (string = inst._format->_strings.iter()) != NULL ) {
|
|
584 |
fprintf(fp," "); |
|
585 |
// Check if this is a standard string or a replacement variable |
|
586 |
if( string != NameList::_signal ) // Normal string. Pass through. |
|
587 |
fprintf(fp,"st->print(\"%s\");\n", string); |
|
588 |
else // Replacement variable |
|
589 |
inst.rep_var_format( fp, inst._format->_rep_vars.iter() ); |
|
590 |
} // Done with all format strings |
|
591 |
} // Done generating the user-defined portion of the format |
|
592 |
||
593 |
// Add call debug info automatically |
|
594 |
Form::CallType call_type = inst.is_ideal_call(); |
|
595 |
if( call_type != Form::invalid_type ) {
|
|
596 |
switch( call_type ) {
|
|
597 |
case Form::JAVA_DYNAMIC: |
|
598 |
fprintf(fp," _method->print_short_name();\n"); |
|
599 |
break; |
|
600 |
case Form::JAVA_STATIC: |
|
601 |
fprintf(fp," if( _method ) _method->print_short_name(st); else st->print(\" wrapper for: %%s\", _name);\n"); |
|
602 |
fprintf(fp," if( !_method ) dump_trap_args(st);\n"); |
|
603 |
break; |
|
604 |
case Form::JAVA_COMPILED: |
|
605 |
case Form::JAVA_INTERP: |
|
606 |
break; |
|
607 |
case Form::JAVA_RUNTIME: |
|
608 |
case Form::JAVA_LEAF: |
|
609 |
case Form::JAVA_NATIVE: |
|
610 |
fprintf(fp," st->print(\" %%s\", _name);"); |
|
611 |
break; |
|
612 |
default: |
|
613 |
assert(0,"ShouldNotReacHere"); |
|
614 |
} |
|
615 |
fprintf(fp, " st->print_cr(\"\");\n" ); |
|
616 |
fprintf(fp, " if (_jvms) _jvms->format(ra, this, st); else st->print_cr(\" No JVM State Info\");\n" ); |
|
617 |
fprintf(fp, " st->print(\" # \");\n" ); |
|
618 |
fprintf(fp, " if( _jvms ) _oop_map->print_on(st);\n"); |
|
619 |
} |
|
620 |
else if(inst.is_ideal_safepoint()) {
|
|
621 |
fprintf(fp, " st->print(\"\");\n" ); |
|
622 |
fprintf(fp, " if (_jvms) _jvms->format(ra, this, st); else st->print_cr(\" No JVM State Info\");\n" ); |
|
623 |
fprintf(fp, " st->print(\" # \");\n" ); |
|
624 |
fprintf(fp, " if( _jvms ) _oop_map->print_on(st);\n"); |
|
625 |
} |
|
626 |
else if( inst.is_ideal_if() ) {
|
|
627 |
fprintf(fp, " st->print(\" P=%%f C=%%f\",_prob,_fcnt);\n" ); |
|
628 |
} |
|
629 |
else if( inst.is_ideal_mem() ) {
|
|
630 |
// Print out the field name if available to improve readability |
|
631 |
fprintf(fp, " if (ra->C->alias_type(adr_type())->field() != NULL) {\n");
|
|
632 |
fprintf(fp, " st->print(\" ! Field \");\n"); |
|
633 |
fprintf(fp, " if( ra->C->alias_type(adr_type())->is_volatile() )\n"); |
|
634 |
fprintf(fp, " st->print(\" Volatile\");\n"); |
|
635 |
fprintf(fp, " ra->C->alias_type(adr_type())->field()->holder()->name()->print_symbol_on(st);\n"); |
|
636 |
fprintf(fp, " st->print(\".\");\n"); |
|
637 |
fprintf(fp, " ra->C->alias_type(adr_type())->field()->name()->print_symbol_on(st);\n"); |
|
638 |
fprintf(fp, " } else\n"); |
|
639 |
// Make sure 'Volatile' gets printed out |
|
640 |
fprintf(fp, " if( ra->C->alias_type(adr_type())->is_volatile() )\n"); |
|
641 |
fprintf(fp, " st->print(\" Volatile!\");\n"); |
|
642 |
} |
|
643 |
||
644 |
// Complete the definition of the format function |
|
645 |
fprintf(fp, " }\n#endif\n"); |
|
646 |
} |
|
647 |
||
648 |
static bool is_non_constant(char* x) {
|
|
649 |
// Tells whether the string (part of an operator interface) is non-constant. |
|
650 |
// Simply detect whether there is an occurrence of a formal parameter, |
|
651 |
// which will always begin with '$'. |
|
652 |
return strchr(x, '$') == 0; |
|
653 |
} |
|
654 |
||
655 |
void ArchDesc::declare_pipe_classes(FILE *fp_hpp) {
|
|
656 |
if (!_pipeline) |
|
657 |
return; |
|
658 |
||
659 |
fprintf(fp_hpp, "\n"); |
|
660 |
fprintf(fp_hpp, "// Pipeline_Use_Cycle_Mask Class\n"); |
|
661 |
fprintf(fp_hpp, "class Pipeline_Use_Cycle_Mask {\n");
|
|
662 |
||
663 |
if (_pipeline->_maxcycleused <= |
|
664 |
#ifdef SPARC |
|
665 |
64 |
|
666 |
#else |
|
667 |
32 |
|
668 |
#endif |
|
669 |
) {
|
|
670 |
fprintf(fp_hpp, "protected:\n"); |
|
671 |
fprintf(fp_hpp, " %s _mask;\n\n", _pipeline->_maxcycleused <= 32 ? "uint" : "uint64_t" ); |
|
672 |
fprintf(fp_hpp, "public:\n"); |
|
673 |
fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask() : _mask(0) {}\n\n");
|
|
674 |
if (_pipeline->_maxcycleused <= 32) |
|
675 |
fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask(uint mask) : _mask(mask) {}\n\n");
|
|
676 |
else {
|
|
677 |
fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask(uint mask1, uint mask2) : _mask((((uint64_t)mask1) << 32) | mask2) {}\n\n");
|
|
678 |
fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask(uint64_t mask) : _mask(mask) {}\n\n");
|
|
679 |
} |
|
680 |
fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask& operator=(const Pipeline_Use_Cycle_Mask &in) {\n");
|
|
681 |
fprintf(fp_hpp, " _mask = in._mask;\n"); |
|
682 |
fprintf(fp_hpp, " return *this;\n"); |
|
683 |
fprintf(fp_hpp, " }\n\n"); |
|
684 |
fprintf(fp_hpp, " bool overlaps(const Pipeline_Use_Cycle_Mask &in2) const {\n");
|
|
685 |
fprintf(fp_hpp, " return ((_mask & in2._mask) != 0);\n"); |
|
686 |
fprintf(fp_hpp, " }\n\n"); |
|
687 |
fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask& operator<<=(int n) {\n");
|
|
688 |
fprintf(fp_hpp, " _mask <<= n;\n"); |
|
689 |
fprintf(fp_hpp, " return *this;\n"); |
|
690 |
fprintf(fp_hpp, " }\n\n"); |
|
691 |
fprintf(fp_hpp, " void Or(const Pipeline_Use_Cycle_Mask &in2) {\n");
|
|
692 |
fprintf(fp_hpp, " _mask |= in2._mask;\n"); |
|
693 |
fprintf(fp_hpp, " }\n\n"); |
|
694 |
fprintf(fp_hpp, " friend Pipeline_Use_Cycle_Mask operator&(const Pipeline_Use_Cycle_Mask &, const Pipeline_Use_Cycle_Mask &);\n"); |
|
695 |
fprintf(fp_hpp, " friend Pipeline_Use_Cycle_Mask operator|(const Pipeline_Use_Cycle_Mask &, const Pipeline_Use_Cycle_Mask &);\n\n"); |
|
696 |
} |
|
697 |
else {
|
|
698 |
fprintf(fp_hpp, "protected:\n"); |
|
699 |
uint masklen = (_pipeline->_maxcycleused + 31) >> 5; |
|
700 |
uint l; |
|
701 |
fprintf(fp_hpp, " uint "); |
|
702 |
for (l = 1; l <= masklen; l++) |
|
703 |
fprintf(fp_hpp, "_mask%d%s", l, l < masklen ? ", " : ";\n\n"); |
|
704 |
fprintf(fp_hpp, "public:\n"); |
|
705 |
fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask() : "); |
|
706 |
for (l = 1; l <= masklen; l++) |
|
707 |
fprintf(fp_hpp, "_mask%d(0)%s", l, l < masklen ? ", " : " {}\n\n");
|
|
708 |
fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask(");
|
|
709 |
for (l = 1; l <= masklen; l++) |
|
710 |
fprintf(fp_hpp, "uint mask%d%s", l, l < masklen ? ", " : ") : "); |
|
711 |
for (l = 1; l <= masklen; l++) |
|
712 |
fprintf(fp_hpp, "_mask%d(mask%d)%s", l, l, l < masklen ? ", " : " {}\n\n");
|
|
713 |
||
714 |
fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask& operator=(const Pipeline_Use_Cycle_Mask &in) {\n");
|
|
715 |
for (l = 1; l <= masklen; l++) |
|
716 |
fprintf(fp_hpp, " _mask%d = in._mask%d;\n", l, l); |
|
717 |
fprintf(fp_hpp, " return *this;\n"); |
|
718 |
fprintf(fp_hpp, " }\n\n"); |
|
719 |
fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask intersect(const Pipeline_Use_Cycle_Mask &in2) {\n");
|
|
720 |
fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask out;\n"); |
|
721 |
for (l = 1; l <= masklen; l++) |
|
722 |
fprintf(fp_hpp, " out._mask%d = _mask%d & in2._mask%d;\n", l, l, l); |
|
723 |
fprintf(fp_hpp, " return out;\n"); |
|
724 |
fprintf(fp_hpp, " }\n\n"); |
|
725 |
fprintf(fp_hpp, " bool overlaps(const Pipeline_Use_Cycle_Mask &in2) const {\n");
|
|
726 |
fprintf(fp_hpp, " return (");
|
|
727 |
for (l = 1; l <= masklen; l++) |
|
728 |
fprintf(fp_hpp, "((_mask%d & in2._mask%d) != 0)%s", l, l, l < masklen ? " || " : ""); |
|
729 |
fprintf(fp_hpp, ") ? true : false;\n"); |
|
730 |
fprintf(fp_hpp, " }\n\n"); |
|
731 |
fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask& operator<<=(int n) {\n");
|
|
732 |
fprintf(fp_hpp, " if (n >= 32)\n"); |
|
733 |
fprintf(fp_hpp, " do {\n ");
|
|
734 |
for (l = masklen; l > 1; l--) |
|
735 |
fprintf(fp_hpp, " _mask%d = _mask%d;", l, l-1); |
|
736 |
fprintf(fp_hpp, " _mask%d = 0;\n", 1); |
|
737 |
fprintf(fp_hpp, " } while ((n -= 32) >= 32);\n\n"); |
|
738 |
fprintf(fp_hpp, " if (n > 0) {\n");
|
|
739 |
fprintf(fp_hpp, " uint m = 32 - n;\n"); |
|
740 |
fprintf(fp_hpp, " uint mask = (1 << n) - 1;\n"); |
|
741 |
fprintf(fp_hpp, " uint temp%d = mask & (_mask%d >> m); _mask%d <<= n;\n", 2, 1, 1); |
|
742 |
for (l = 2; l < masklen; l++) {
|
|
743 |
fprintf(fp_hpp, " uint temp%d = mask & (_mask%d >> m); _mask%d <<= n; _mask%d |= temp%d;\n", l+1, l, l, l, l); |
|
744 |
} |
|
745 |
fprintf(fp_hpp, " _mask%d <<= n; _mask%d |= temp%d;\n", masklen, masklen, masklen); |
|
746 |
fprintf(fp_hpp, " }\n"); |
|
747 |
||
748 |
fprintf(fp_hpp, " return *this;\n"); |
|
749 |
fprintf(fp_hpp, " }\n\n"); |
|
750 |
fprintf(fp_hpp, " void Or(const Pipeline_Use_Cycle_Mask &);\n\n"); |
|
751 |
fprintf(fp_hpp, " friend Pipeline_Use_Cycle_Mask operator&(const Pipeline_Use_Cycle_Mask &, const Pipeline_Use_Cycle_Mask &);\n"); |
|
752 |
fprintf(fp_hpp, " friend Pipeline_Use_Cycle_Mask operator|(const Pipeline_Use_Cycle_Mask &, const Pipeline_Use_Cycle_Mask &);\n\n"); |
|
753 |
} |
|
754 |
||
755 |
fprintf(fp_hpp, " friend class Pipeline_Use;\n\n"); |
|
756 |
fprintf(fp_hpp, " friend class Pipeline_Use_Element;\n\n"); |
|
757 |
fprintf(fp_hpp, "};\n\n"); |
|
758 |
||
759 |
uint rescount = 0; |
|
760 |
const char *resource; |
|
761 |
||
762 |
for ( _pipeline->_reslist.reset(); (resource = _pipeline->_reslist.iter()) != NULL; ) {
|
|
763 |
int mask = _pipeline->_resdict[resource]->is_resource()->mask(); |
|
764 |
if ((mask & (mask-1)) == 0) |
|
765 |
rescount++; |
|
766 |
} |
|
767 |
||
768 |
fprintf(fp_hpp, "// Pipeline_Use_Element Class\n"); |
|
769 |
fprintf(fp_hpp, "class Pipeline_Use_Element {\n");
|
|
770 |
fprintf(fp_hpp, "protected:\n"); |
|
771 |
fprintf(fp_hpp, " // Mask of used functional units\n"); |
|
772 |
fprintf(fp_hpp, " uint _used;\n\n"); |
|
773 |
fprintf(fp_hpp, " // Lower and upper bound of functional unit number range\n"); |
|
774 |
fprintf(fp_hpp, " uint _lb, _ub;\n\n"); |
|
775 |
fprintf(fp_hpp, " // Indicates multiple functionals units available\n"); |
|
776 |
fprintf(fp_hpp, " bool _multiple;\n\n"); |
|
777 |
fprintf(fp_hpp, " // Mask of specific used cycles\n"); |
|
778 |
fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask _mask;\n\n"); |
|
779 |
fprintf(fp_hpp, "public:\n"); |
|
780 |
fprintf(fp_hpp, " Pipeline_Use_Element() {}\n\n");
|
|
781 |
fprintf(fp_hpp, " Pipeline_Use_Element(uint used, uint lb, uint ub, bool multiple, Pipeline_Use_Cycle_Mask mask)\n"); |
|
782 |
fprintf(fp_hpp, " : _used(used), _lb(lb), _ub(ub), _multiple(multiple), _mask(mask) {}\n\n");
|
|
783 |
fprintf(fp_hpp, " uint used() const { return _used; }\n\n");
|
|
784 |
fprintf(fp_hpp, " uint lowerBound() const { return _lb; }\n\n");
|
|
785 |
fprintf(fp_hpp, " uint upperBound() const { return _ub; }\n\n");
|
|
786 |
fprintf(fp_hpp, " bool multiple() const { return _multiple; }\n\n");
|
|
787 |
fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask mask() const { return _mask; }\n\n");
|
|
788 |
fprintf(fp_hpp, " bool overlaps(const Pipeline_Use_Element &in2) const {\n");
|
|
789 |
fprintf(fp_hpp, " return ((_used & in2._used) != 0 && _mask.overlaps(in2._mask));\n"); |
|
790 |
fprintf(fp_hpp, " }\n\n"); |
|
791 |
fprintf(fp_hpp, " void step(uint cycles) {\n");
|
|
792 |
fprintf(fp_hpp, " _used = 0;\n"); |
|
793 |
fprintf(fp_hpp, " _mask <<= cycles;\n"); |
|
794 |
fprintf(fp_hpp, " }\n\n"); |
|
795 |
fprintf(fp_hpp, " friend class Pipeline_Use;\n"); |
|
796 |
fprintf(fp_hpp, "};\n\n"); |
|
797 |
||
798 |
fprintf(fp_hpp, "// Pipeline_Use Class\n"); |
|
799 |
fprintf(fp_hpp, "class Pipeline_Use {\n");
|
|
800 |
fprintf(fp_hpp, "protected:\n"); |
|
801 |
fprintf(fp_hpp, " // These resources can be used\n"); |
|
802 |
fprintf(fp_hpp, " uint _resources_used;\n\n"); |
|
803 |
fprintf(fp_hpp, " // These resources are used; excludes multiple choice functional units\n"); |
|
804 |
fprintf(fp_hpp, " uint _resources_used_exclusively;\n\n"); |
|
805 |
fprintf(fp_hpp, " // Number of elements\n"); |
|
806 |
fprintf(fp_hpp, " uint _count;\n\n"); |
|
807 |
fprintf(fp_hpp, " // This is the array of Pipeline_Use_Elements\n"); |
|
808 |
fprintf(fp_hpp, " Pipeline_Use_Element * _elements;\n\n"); |
|
809 |
fprintf(fp_hpp, "public:\n"); |
|
810 |
fprintf(fp_hpp, " Pipeline_Use(uint resources_used, uint resources_used_exclusively, uint count, Pipeline_Use_Element *elements)\n"); |
|
811 |
fprintf(fp_hpp, " : _resources_used(resources_used)\n"); |
|
812 |
fprintf(fp_hpp, " , _resources_used_exclusively(resources_used_exclusively)\n"); |
|
813 |
fprintf(fp_hpp, " , _count(count)\n"); |
|
814 |
fprintf(fp_hpp, " , _elements(elements)\n"); |
|
815 |
fprintf(fp_hpp, " {}\n\n");
|
|
816 |
fprintf(fp_hpp, " uint resourcesUsed() const { return _resources_used; }\n\n");
|
|
817 |
fprintf(fp_hpp, " uint resourcesUsedExclusively() const { return _resources_used_exclusively; }\n\n");
|
|
818 |
fprintf(fp_hpp, " uint count() const { return _count; }\n\n");
|
|
819 |
fprintf(fp_hpp, " Pipeline_Use_Element * element(uint i) const { return &_elements[i]; }\n\n");
|
|
820 |
fprintf(fp_hpp, " uint full_latency(uint delay, const Pipeline_Use &pred) const;\n\n"); |
|
821 |
fprintf(fp_hpp, " void add_usage(const Pipeline_Use &pred);\n\n"); |
|
822 |
fprintf(fp_hpp, " void reset() {\n");
|
|
823 |
fprintf(fp_hpp, " _resources_used = _resources_used_exclusively = 0;\n"); |
|
824 |
fprintf(fp_hpp, " };\n\n"); |
|
825 |
fprintf(fp_hpp, " void step(uint cycles) {\n");
|
|
826 |
fprintf(fp_hpp, " reset();\n"); |
|
827 |
fprintf(fp_hpp, " for (uint i = 0; i < %d; i++)\n", |
|
828 |
rescount); |
|
829 |
fprintf(fp_hpp, " (&_elements[i])->step(cycles);\n"); |
|
830 |
fprintf(fp_hpp, " };\n\n"); |
|
831 |
fprintf(fp_hpp, " static const Pipeline_Use elaborated_use;\n"); |
|
832 |
fprintf(fp_hpp, " static const Pipeline_Use_Element elaborated_elements[%d];\n\n", |
|
833 |
rescount); |
|
834 |
fprintf(fp_hpp, " friend class Pipeline;\n"); |
|
835 |
fprintf(fp_hpp, "};\n\n"); |
|
836 |
||
837 |
fprintf(fp_hpp, "// Pipeline Class\n"); |
|
838 |
fprintf(fp_hpp, "class Pipeline {\n");
|
|
839 |
fprintf(fp_hpp, "public:\n"); |
|
840 |
||
841 |
fprintf(fp_hpp, " static bool enabled() { return %s; }\n\n",
|
|
842 |
_pipeline ? "true" : "false" ); |
|
843 |
||
844 |
assert( _pipeline->_maxInstrsPerBundle && |
|
845 |
( _pipeline->_instrUnitSize || _pipeline->_bundleUnitSize) && |
|
846 |
_pipeline->_instrFetchUnitSize && |
|
847 |
_pipeline->_instrFetchUnits, |
|
848 |
"unspecified pipeline architecture units"); |
|
849 |
||
850 |
uint unitSize = _pipeline->_instrUnitSize ? _pipeline->_instrUnitSize : _pipeline->_bundleUnitSize; |
|
851 |
||
852 |
fprintf(fp_hpp, " enum {\n");
|
|
853 |
fprintf(fp_hpp, " _variable_size_instructions = %d,\n", |
|
854 |
_pipeline->_variableSizeInstrs ? 1 : 0); |
|
855 |
fprintf(fp_hpp, " _fixed_size_instructions = %d,\n", |
|
856 |
_pipeline->_variableSizeInstrs ? 0 : 1); |
|
857 |
fprintf(fp_hpp, " _branch_has_delay_slot = %d,\n", |
|
858 |
_pipeline->_branchHasDelaySlot ? 1 : 0); |
|
859 |
fprintf(fp_hpp, " _max_instrs_per_bundle = %d,\n", |
|
860 |
_pipeline->_maxInstrsPerBundle); |
|
861 |
fprintf(fp_hpp, " _max_bundles_per_cycle = %d,\n", |
|
862 |
_pipeline->_maxBundlesPerCycle); |
|
863 |
fprintf(fp_hpp, " _max_instrs_per_cycle = %d\n", |
|
864 |
_pipeline->_maxBundlesPerCycle * _pipeline->_maxInstrsPerBundle); |
|
865 |
fprintf(fp_hpp, " };\n\n"); |
|
866 |
||
867 |
fprintf(fp_hpp, " static bool instr_has_unit_size() { return %s; }\n\n",
|
|
868 |
_pipeline->_instrUnitSize != 0 ? "true" : "false" ); |
|
869 |
if( _pipeline->_bundleUnitSize != 0 ) |
|
870 |
if( _pipeline->_instrUnitSize != 0 ) |
|
871 |
fprintf(fp_hpp, "// Individual Instructions may be bundled together by the hardware\n\n"); |
|
872 |
else |
|
873 |
fprintf(fp_hpp, "// Instructions exist only in bundles\n\n"); |
|
874 |
else |
|
875 |
fprintf(fp_hpp, "// Bundling is not supported\n\n"); |
|
876 |
if( _pipeline->_instrUnitSize != 0 ) |
|
877 |
fprintf(fp_hpp, " // Size of an instruction\n"); |
|
878 |
else |
|
879 |
fprintf(fp_hpp, " // Size of an individual instruction does not exist - unsupported\n"); |
|
880 |
fprintf(fp_hpp, " static uint instr_unit_size() {");
|
|
881 |
if( _pipeline->_instrUnitSize == 0 ) |
|
882 |
fprintf(fp_hpp, " assert( false, \"Instructions are only in bundles\" );"); |
|
883 |
fprintf(fp_hpp, " return %d; };\n\n", _pipeline->_instrUnitSize); |
|
884 |
||
885 |
if( _pipeline->_bundleUnitSize != 0 ) |
|
886 |
fprintf(fp_hpp, " // Size of a bundle\n"); |
|
887 |
else |
|
888 |
fprintf(fp_hpp, " // Bundles do not exist - unsupported\n"); |
|
889 |
fprintf(fp_hpp, " static uint bundle_unit_size() {");
|
|
890 |
if( _pipeline->_bundleUnitSize == 0 ) |
|
891 |
fprintf(fp_hpp, " assert( false, \"Bundles are not supported\" );"); |
|
892 |
fprintf(fp_hpp, " return %d; };\n\n", _pipeline->_bundleUnitSize); |
|
893 |
||
894 |
fprintf(fp_hpp, " static bool requires_bundling() { return %s; }\n\n",
|
|
895 |
_pipeline->_bundleUnitSize != 0 && _pipeline->_instrUnitSize == 0 ? "true" : "false" ); |
|
896 |
||
897 |
fprintf(fp_hpp, "private:\n"); |
|
898 |
fprintf(fp_hpp, " Pipeline(); // Not a legal constructor\n"); |
|
899 |
fprintf(fp_hpp, "\n"); |
|
900 |
fprintf(fp_hpp, " const unsigned char _read_stage_count;\n"); |
|
901 |
fprintf(fp_hpp, " const unsigned char _write_stage;\n"); |
|
902 |
fprintf(fp_hpp, " const unsigned char _fixed_latency;\n"); |
|
903 |
fprintf(fp_hpp, " const unsigned char _instruction_count;\n"); |
|
904 |
fprintf(fp_hpp, " const bool _has_fixed_latency;\n"); |
|
905 |
fprintf(fp_hpp, " const bool _has_branch_delay;\n"); |
|
906 |
fprintf(fp_hpp, " const bool _has_multiple_bundles;\n"); |
|
907 |
fprintf(fp_hpp, " const bool _force_serialization;\n"); |
|
908 |
fprintf(fp_hpp, " const bool _may_have_no_code;\n"); |
|
909 |
fprintf(fp_hpp, " const enum machPipelineStages * const _read_stages;\n"); |
|
910 |
fprintf(fp_hpp, " const enum machPipelineStages * const _resource_stage;\n"); |
|
911 |
fprintf(fp_hpp, " const uint * const _resource_cycles;\n"); |
|
912 |
fprintf(fp_hpp, " const Pipeline_Use _resource_use;\n"); |
|
913 |
fprintf(fp_hpp, "\n"); |
|
914 |
fprintf(fp_hpp, "public:\n"); |
|
915 |
fprintf(fp_hpp, " Pipeline(uint write_stage,\n"); |
|
916 |
fprintf(fp_hpp, " uint count,\n"); |
|
917 |
fprintf(fp_hpp, " bool has_fixed_latency,\n"); |
|
918 |
fprintf(fp_hpp, " uint fixed_latency,\n"); |
|
919 |
fprintf(fp_hpp, " uint instruction_count,\n"); |
|
920 |
fprintf(fp_hpp, " bool has_branch_delay,\n"); |
|
921 |
fprintf(fp_hpp, " bool has_multiple_bundles,\n"); |
|
922 |
fprintf(fp_hpp, " bool force_serialization,\n"); |
|
923 |
fprintf(fp_hpp, " bool may_have_no_code,\n"); |
|
924 |
fprintf(fp_hpp, " enum machPipelineStages * const dst,\n"); |
|
925 |
fprintf(fp_hpp, " enum machPipelineStages * const stage,\n"); |
|
926 |
fprintf(fp_hpp, " uint * const cycles,\n"); |
|
927 |
fprintf(fp_hpp, " Pipeline_Use resource_use)\n"); |
|
928 |
fprintf(fp_hpp, " : _write_stage(write_stage)\n"); |
|
929 |
fprintf(fp_hpp, " , _read_stage_count(count)\n"); |
|
930 |
fprintf(fp_hpp, " , _has_fixed_latency(has_fixed_latency)\n"); |
|
931 |
fprintf(fp_hpp, " , _fixed_latency(fixed_latency)\n"); |
|
932 |
fprintf(fp_hpp, " , _read_stages(dst)\n"); |
|
933 |
fprintf(fp_hpp, " , _resource_stage(stage)\n"); |
|
934 |
fprintf(fp_hpp, " , _resource_cycles(cycles)\n"); |
|
935 |
fprintf(fp_hpp, " , _resource_use(resource_use)\n"); |
|
936 |
fprintf(fp_hpp, " , _instruction_count(instruction_count)\n"); |
|
937 |
fprintf(fp_hpp, " , _has_branch_delay(has_branch_delay)\n"); |
|
938 |
fprintf(fp_hpp, " , _has_multiple_bundles(has_multiple_bundles)\n"); |
|
939 |
fprintf(fp_hpp, " , _force_serialization(force_serialization)\n"); |
|
940 |
fprintf(fp_hpp, " , _may_have_no_code(may_have_no_code)\n"); |
|
941 |
fprintf(fp_hpp, " {};\n");
|
|
942 |
fprintf(fp_hpp, "\n"); |
|
943 |
fprintf(fp_hpp, " uint writeStage() const {\n");
|
|
944 |
fprintf(fp_hpp, " return (_write_stage);\n"); |
|
945 |
fprintf(fp_hpp, " }\n"); |
|
946 |
fprintf(fp_hpp, "\n"); |
|
947 |
fprintf(fp_hpp, " enum machPipelineStages readStage(int ndx) const {\n");
|
|
948 |
fprintf(fp_hpp, " return (ndx < _read_stage_count ? _read_stages[ndx] : stage_undefined);"); |
|
949 |
fprintf(fp_hpp, " }\n\n"); |
|
950 |
fprintf(fp_hpp, " uint resourcesUsed() const {\n");
|
|
951 |
fprintf(fp_hpp, " return _resource_use.resourcesUsed();\n }\n\n"); |
|
952 |
fprintf(fp_hpp, " uint resourcesUsedExclusively() const {\n");
|
|
953 |
fprintf(fp_hpp, " return _resource_use.resourcesUsedExclusively();\n }\n\n"); |
|
954 |
fprintf(fp_hpp, " bool hasFixedLatency() const {\n");
|
|
955 |
fprintf(fp_hpp, " return (_has_fixed_latency);\n }\n\n"); |
|
956 |
fprintf(fp_hpp, " uint fixedLatency() const {\n");
|
|
957 |
fprintf(fp_hpp, " return (_fixed_latency);\n }\n\n"); |
|
958 |
fprintf(fp_hpp, " uint functional_unit_latency(uint start, const Pipeline *pred) const;\n\n"); |
|
959 |
fprintf(fp_hpp, " uint operand_latency(uint opnd, const Pipeline *pred) const;\n\n"); |
|
960 |
fprintf(fp_hpp, " const Pipeline_Use& resourceUse() const {\n");
|
|
961 |
fprintf(fp_hpp, " return (_resource_use); }\n\n"); |
|
962 |
fprintf(fp_hpp, " const Pipeline_Use_Element * resourceUseElement(uint i) const {\n");
|
|
963 |
fprintf(fp_hpp, " return (&_resource_use._elements[i]); }\n\n"); |
|
964 |
fprintf(fp_hpp, " uint resourceUseCount() const {\n");
|
|
965 |
fprintf(fp_hpp, " return (_resource_use._count); }\n\n"); |
|
966 |
fprintf(fp_hpp, " uint instructionCount() const {\n");
|
|
967 |
fprintf(fp_hpp, " return (_instruction_count); }\n\n"); |
|
968 |
fprintf(fp_hpp, " bool hasBranchDelay() const {\n");
|
|
969 |
fprintf(fp_hpp, " return (_has_branch_delay); }\n\n"); |
|
970 |
fprintf(fp_hpp, " bool hasMultipleBundles() const {\n");
|
|
971 |
fprintf(fp_hpp, " return (_has_multiple_bundles); }\n\n"); |
|
972 |
fprintf(fp_hpp, " bool forceSerialization() const {\n");
|
|
973 |
fprintf(fp_hpp, " return (_force_serialization); }\n\n"); |
|
974 |
fprintf(fp_hpp, " bool mayHaveNoCode() const {\n");
|
|
975 |
fprintf(fp_hpp, " return (_may_have_no_code); }\n\n"); |
|
976 |
fprintf(fp_hpp, "//const Pipeline_Use_Cycle_Mask& resourceUseMask(int resource) const {\n");
|
|
977 |
fprintf(fp_hpp, "// return (_resource_use_masks[resource]); }\n\n"); |
|
978 |
fprintf(fp_hpp, "\n#ifndef PRODUCT\n"); |
|
979 |
fprintf(fp_hpp, " static const char * stageName(uint i);\n"); |
|
980 |
fprintf(fp_hpp, "#endif\n"); |
|
981 |
fprintf(fp_hpp, "};\n\n"); |
|
982 |
||
983 |
fprintf(fp_hpp, "// Bundle class\n"); |
|
984 |
fprintf(fp_hpp, "class Bundle {\n");
|
|
985 |
||
986 |
uint mshift = 0; |
|
987 |
for (uint msize = _pipeline->_maxInstrsPerBundle * _pipeline->_maxBundlesPerCycle; msize != 0; msize >>= 1) |
|
988 |
mshift++; |
|
989 |
||
990 |
uint rshift = rescount; |
|
991 |
||
992 |
fprintf(fp_hpp, "protected:\n"); |
|
993 |
fprintf(fp_hpp, " enum {\n");
|
|
994 |
fprintf(fp_hpp, " _unused_delay = 0x%x,\n", 0); |
|
995 |
fprintf(fp_hpp, " _use_nop_delay = 0x%x,\n", 1); |
|
996 |
fprintf(fp_hpp, " _use_unconditional_delay = 0x%x,\n", 2); |
|
997 |
fprintf(fp_hpp, " _use_conditional_delay = 0x%x,\n", 3); |
|
998 |
fprintf(fp_hpp, " _used_in_conditional_delay = 0x%x,\n", 4); |
|
999 |
fprintf(fp_hpp, " _used_in_unconditional_delay = 0x%x,\n", 5); |
|
1000 |
fprintf(fp_hpp, " _used_in_all_conditional_delays = 0x%x,\n", 6); |
|
1001 |
fprintf(fp_hpp, "\n"); |
|
1002 |
fprintf(fp_hpp, " _use_delay = 0x%x,\n", 3); |
|
1003 |
fprintf(fp_hpp, " _used_in_delay = 0x%x\n", 4); |
|
1004 |
fprintf(fp_hpp, " };\n\n"); |
|
1005 |
fprintf(fp_hpp, " uint _flags : 3,\n"); |
|
1006 |
fprintf(fp_hpp, " _starts_bundle : 1,\n"); |
|
1007 |
fprintf(fp_hpp, " _instr_count : %d,\n", mshift); |
|
1008 |
fprintf(fp_hpp, " _resources_used : %d;\n", rshift); |
|
1009 |
fprintf(fp_hpp, "public:\n"); |
|
1010 |
fprintf(fp_hpp, " Bundle() : _flags(_unused_delay), _starts_bundle(0), _instr_count(0), _resources_used(0) {}\n\n");
|
|
1011 |
fprintf(fp_hpp, " void set_instr_count(uint i) { _instr_count = i; }\n");
|
|
1012 |
fprintf(fp_hpp, " void set_resources_used(uint i) { _resources_used = i; }\n");
|
|
1013 |
fprintf(fp_hpp, " void clear_usage() { _flags = _unused_delay; }\n");
|
|
1014 |
fprintf(fp_hpp, " void set_starts_bundle() { _starts_bundle = true; }\n");
|
|
1015 |
||
1016 |
fprintf(fp_hpp, " uint flags() const { return (_flags); }\n");
|
|
1017 |
fprintf(fp_hpp, " uint instr_count() const { return (_instr_count); }\n");
|
|
1018 |
fprintf(fp_hpp, " uint resources_used() const { return (_resources_used); }\n");
|
|
1019 |
fprintf(fp_hpp, " bool starts_bundle() const { return (_starts_bundle != 0); }\n");
|
|
1020 |
||
1021 |
fprintf(fp_hpp, " void set_use_nop_delay() { _flags = _use_nop_delay; }\n");
|
|
1022 |
fprintf(fp_hpp, " void set_use_unconditional_delay() { _flags = _use_unconditional_delay; }\n");
|
|
1023 |
fprintf(fp_hpp, " void set_use_conditional_delay() { _flags = _use_conditional_delay; }\n");
|
|
1024 |
fprintf(fp_hpp, " void set_used_in_unconditional_delay() { _flags = _used_in_unconditional_delay; }\n");
|
|
1025 |
fprintf(fp_hpp, " void set_used_in_conditional_delay() { _flags = _used_in_conditional_delay; }\n");
|
|
1026 |
fprintf(fp_hpp, " void set_used_in_all_conditional_delays() { _flags = _used_in_all_conditional_delays; }\n");
|
|
1027 |
||
1028 |
fprintf(fp_hpp, " bool use_nop_delay() { return (_flags == _use_nop_delay); }\n");
|
|
1029 |
fprintf(fp_hpp, " bool use_unconditional_delay() { return (_flags == _use_unconditional_delay); }\n");
|
|
1030 |
fprintf(fp_hpp, " bool use_conditional_delay() { return (_flags == _use_conditional_delay); }\n");
|
|
1031 |
fprintf(fp_hpp, " bool used_in_unconditional_delay() { return (_flags == _used_in_unconditional_delay); }\n");
|
|
1032 |
fprintf(fp_hpp, " bool used_in_conditional_delay() { return (_flags == _used_in_conditional_delay); }\n");
|
|
1033 |
fprintf(fp_hpp, " bool used_in_all_conditional_delays() { return (_flags == _used_in_all_conditional_delays); }\n");
|
|
1034 |
fprintf(fp_hpp, " bool use_delay() { return ((_flags & _use_delay) != 0); }\n");
|
|
1035 |
fprintf(fp_hpp, " bool used_in_delay() { return ((_flags & _used_in_delay) != 0); }\n\n");
|
|
1036 |
||
1037 |
fprintf(fp_hpp, " enum {\n");
|
|
1038 |
fprintf(fp_hpp, " _nop_count = %d\n", |
|
1039 |
_pipeline->_nopcnt); |
|
1040 |
fprintf(fp_hpp, " };\n\n"); |
|
1041 |
fprintf(fp_hpp, " static void initialize_nops(MachNode *nop_list[%d], Compile* C);\n\n", |
|
1042 |
_pipeline->_nopcnt); |
|
1043 |
fprintf(fp_hpp, "#ifndef PRODUCT\n"); |
|
1044 |
fprintf(fp_hpp, " void dump() const;\n"); |
|
1045 |
fprintf(fp_hpp, "#endif\n"); |
|
1046 |
fprintf(fp_hpp, "};\n\n"); |
|
1047 |
||
1048 |
// const char *classname; |
|
1049 |
// for (_pipeline->_classlist.reset(); (classname = _pipeline->_classlist.iter()) != NULL; ) {
|
|
1050 |
// PipeClassForm *pipeclass = _pipeline->_classdict[classname]->is_pipeclass(); |
|
1051 |
// fprintf(fp_hpp, "// Pipeline Class Instance for \"%s\"\n", classname); |
|
1052 |
// } |
|
1053 |
} |
|
1054 |
||
1055 |
//------------------------------declareClasses--------------------------------- |
|
1056 |
// Construct the class hierarchy of MachNode classes from the instruction & |
|
1057 |
// operand lists |
|
1058 |
void ArchDesc::declareClasses(FILE *fp) {
|
|
1059 |
||
1060 |
// Declare an array containing the machine register names, strings. |
|
1061 |
declareRegNames(fp, _register); |
|
1062 |
||
1063 |
// Declare an array containing the machine register encoding values |
|
1064 |
declareRegEncodes(fp, _register); |
|
1065 |
||
1066 |
// Generate declarations for the total number of operands |
|
1067 |
fprintf(fp,"\n"); |
|
1068 |
fprintf(fp,"// Total number of operands defined in architecture definition\n"); |
|
1069 |
int num_operands = 0; |
|
1070 |
OperandForm *op; |
|
1071 |
for (_operands.reset(); (op = (OperandForm*)_operands.iter()) != NULL; ) {
|
|
1072 |
// Ensure this is a machine-world instruction |
|
1073 |
if (op->ideal_only()) continue; |
|
1074 |
||
1075 |
++num_operands; |
|
1076 |
} |
|
1077 |
int first_operand_class = num_operands; |
|
1078 |
OpClassForm *opc; |
|
1079 |
for (_opclass.reset(); (opc = (OpClassForm*)_opclass.iter()) != NULL; ) {
|
|
1080 |
// Ensure this is a machine-world instruction |
|
1081 |
if (opc->ideal_only()) continue; |
|
1082 |
||
1083 |
++num_operands; |
|
1084 |
} |
|
1085 |
fprintf(fp,"#define FIRST_OPERAND_CLASS %d\n", first_operand_class); |
|
1086 |
fprintf(fp,"#define NUM_OPERANDS %d\n", num_operands); |
|
1087 |
fprintf(fp,"\n"); |
|
1088 |
// Generate declarations for the total number of instructions |
|
1089 |
fprintf(fp,"// Total number of instructions defined in architecture definition\n"); |
|
1090 |
fprintf(fp,"#define NUM_INSTRUCTIONS %d\n",instructFormCount()); |
|
1091 |
||
1092 |
||
1093 |
// Generate Machine Classes for each operand defined in AD file |
|
1094 |
fprintf(fp,"\n"); |
|
1095 |
fprintf(fp,"//----------------------------Declare classes derived from MachOper----------\n"); |
|
1096 |
// Iterate through all operands |
|
1097 |
_operands.reset(); |
|
1098 |
OperandForm *oper; |
|
1099 |
for( ; (oper = (OperandForm*)_operands.iter()) != NULL;) {
|
|
1100 |
// Ensure this is a machine-world instruction |
|
1101 |
if (oper->ideal_only() ) continue; |
|
1102 |
// The declaration of labelOper is in machine-independent file: machnode |
|
1103 |
if ( strcmp(oper->_ident,"label") == 0 ) continue; |
|
1104 |
// The declaration of methodOper is in machine-independent file: machnode |
|
1105 |
if ( strcmp(oper->_ident,"method") == 0 ) continue; |
|
1106 |
||
1107 |
// Build class definition for this operand |
|
1108 |
fprintf(fp,"\n"); |
|
1109 |
fprintf(fp,"class %sOper : public MachOper { \n",oper->_ident);
|
|
1110 |
fprintf(fp,"private:\n"); |
|
1111 |
// Operand definitions that depend upon number of input edges |
|
1112 |
{
|
|
1113 |
uint num_edges = oper->num_edges(_globalNames); |
|
1114 |
if( num_edges != 1 ) { // Use MachOper::num_edges() {return 1;}
|
|
1115 |
fprintf(fp," virtual uint num_edges() const { return %d; }\n",
|
|
1116 |
num_edges ); |
|
1117 |
} |
|
1118 |
if( num_edges > 0 ) {
|
|
1119 |
in_RegMask(fp); |
|
1120 |
} |
|
1121 |
} |
|
1122 |
||
1123 |
// Support storing constants inside the MachOper |
|
1124 |
declareConstStorage(fp,_globalNames,oper); |
|
1125 |
||
1126 |
// Support storage of the condition codes |
|
1127 |
if( oper->is_ideal_bool() ) {
|
|
1128 |
fprintf(fp," virtual int ccode() const { \n");
|
|
1129 |
fprintf(fp," switch (_c0) {\n");
|
|
1130 |
fprintf(fp," case BoolTest::eq : return equal();\n"); |
|
1131 |
fprintf(fp," case BoolTest::gt : return greater();\n"); |
|
1132 |
fprintf(fp," case BoolTest::lt : return less();\n"); |
|
1133 |
fprintf(fp," case BoolTest::ne : return not_equal();\n"); |
|
1134 |
fprintf(fp," case BoolTest::le : return less_equal();\n"); |
|
1135 |
fprintf(fp," case BoolTest::ge : return greater_equal();\n"); |
|
1136 |
fprintf(fp," default : ShouldNotReachHere(); return 0;\n"); |
|
1137 |
fprintf(fp," }\n"); |
|
1138 |
fprintf(fp," };\n"); |
|
1139 |
} |
|
1140 |
||
1141 |
// Support storage of the condition codes |
|
1142 |
if( oper->is_ideal_bool() ) {
|
|
1143 |
fprintf(fp," virtual void negate() { \n");
|
|
1144 |
fprintf(fp," _c0 = (BoolTest::mask)((int)_c0^0x4); \n"); |
|
1145 |
fprintf(fp," };\n"); |
|
1146 |
} |
|
1147 |
||
1148 |
// Declare constructor. |
|
1149 |
// Parameters start with condition code, then all other constants |
|
1150 |
// |
|
1151 |
// (1) MachXOper(int32 ccode, int32 c0, int32 c1, ..., int32 cn) |
|
1152 |
// (2) : _ccode(ccode), _c0(c0), _c1(c1), ..., _cn(cn) { }
|
|
1153 |
// |
|
1154 |
Form::DataType constant_type = oper->simple_type(_globalNames); |
|
1155 |
defineConstructor(fp, oper->_ident, oper->num_consts(_globalNames), |
|
1156 |
oper->_components, oper->is_ideal_bool(), |
|
1157 |
constant_type, _globalNames); |
|
1158 |
||
1159 |
// Clone function |
|
1160 |
fprintf(fp," virtual MachOper *clone(Compile* C) const;\n"); |
|
1161 |
||
1162 |
// Support setting a spill offset into a constant operand. |
|
1163 |
// We only support setting an 'int' offset, while in the |
|
1164 |
// LP64 build spill offsets are added with an AddP which |
|
1165 |
// requires a long constant. Thus we don't support spilling |
|
1166 |
// in frames larger than 4Gig. |
|
1167 |
if( oper->has_conI(_globalNames) || |
|
1168 |
oper->has_conL(_globalNames) ) |
|
1169 |
fprintf(fp, " virtual void set_con( jint c0 ) { _c0 = c0; }\n");
|
|
1170 |
||
1171 |
// virtual functions for encoding and format |
|
1172 |
// fprintf(fp," virtual void encode() const {\n %s }\n",
|
|
1173 |
// (oper->_encrule)?(oper->_encrule->_encrule):""); |
|
1174 |
// Check the interface type, and generate the correct query functions |
|
1175 |
// encoding queries based upon MEMORY_INTER, REG_INTER, CONST_INTER. |
|
1176 |
||
1177 |
fprintf(fp," virtual uint opcode() const { return %s; }\n",
|
|
1178 |
machOperEnum(oper->_ident)); |
|
1179 |
||
1180 |
// virtual function to look up ideal return type of machine instruction |
|
1181 |
// |
|
1182 |
// (1) virtual const Type *type() const { return .....; }
|
|
1183 |
// |
|
1184 |
if ((oper->_matrule) && (oper->_matrule->_lChild == NULL) && |
|
1185 |
(oper->_matrule->_rChild == NULL)) {
|
|
1186 |
unsigned int position = 0; |
|
1187 |
const char *opret, *opname, *optype; |
|
1188 |
oper->_matrule->base_operand(position,_globalNames,opret,opname,optype); |
|
1189 |
fprintf(fp," virtual const Type *type() const {");
|
|
1190 |
const char *type = getIdealType(optype); |
|
1191 |
if( type != NULL ) {
|
|
1192 |
Form::DataType data_type = oper->is_base_constant(_globalNames); |
|
1193 |
// Check if we are an ideal pointer type |
|
|
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
1194 |
if( data_type == Form::idealP || data_type == Form::idealN ) {
|
| 1 | 1195 |
// Return the ideal type we already have: <TypePtr *> |
1196 |
fprintf(fp," return _c0;"); |
|
1197 |
} else {
|
|
1198 |
// Return the appropriate bottom type |
|
1199 |
fprintf(fp," return %s;", getIdealType(optype)); |
|
1200 |
} |
|
1201 |
} else {
|
|
1202 |
fprintf(fp," ShouldNotCallThis(); return Type::BOTTOM;"); |
|
1203 |
} |
|
1204 |
fprintf(fp," }\n"); |
|
1205 |
} else {
|
|
1206 |
// Check for user-defined stack slots, based upon sRegX |
|
1207 |
Form::DataType data_type = oper->is_user_name_for_sReg(); |
|
1208 |
if( data_type != Form::none ){
|
|
1209 |
const char *type = NULL; |
|
1210 |
switch( data_type ) {
|
|
1211 |
case Form::idealI: type = "TypeInt::INT"; break; |
|
1212 |
case Form::idealP: type = "TypePtr::BOTTOM";break; |
|
1213 |
case Form::idealF: type = "Type::FLOAT"; break; |
|
1214 |
case Form::idealD: type = "Type::DOUBLE"; break; |
|
1215 |
case Form::idealL: type = "TypeLong::LONG"; break; |
|
1216 |
case Form::none: // fall through |
|
1217 |
default: |
|
1218 |
assert( false, "No support for this type of stackSlot"); |
|
1219 |
} |
|
1220 |
fprintf(fp," virtual const Type *type() const { return %s; } // stackSlotX\n", type);
|
|
1221 |
} |
|
1222 |
} |
|
1223 |
||
1224 |
||
1225 |
// |
|
1226 |
// virtual functions for defining the encoding interface. |
|
1227 |
// |
|
1228 |
// Access the linearized ideal register mask, |
|
1229 |
// map to physical register encoding |
|
1230 |
if ( oper->_matrule && oper->_matrule->is_base_register(_globalNames) ) {
|
|
1231 |
// Just use the default virtual 'reg' call |
|
1232 |
} else if ( oper->ideal_to_sReg_type(oper->_ident) != Form::none ) {
|
|
1233 |
// Special handling for operand 'sReg', a Stack Slot Register. |
|
1234 |
// Map linearized ideal register mask to stack slot number |
|
1235 |
fprintf(fp," virtual int reg(PhaseRegAlloc *ra_, const Node *node) const {\n");
|
|
1236 |
fprintf(fp," return (int)OptoReg::reg2stack(ra_->get_reg_first(node));/* sReg */\n"); |
|
1237 |
fprintf(fp," }\n"); |
|
1238 |
fprintf(fp," virtual int reg(PhaseRegAlloc *ra_, const Node *node, int idx) const {\n");
|
|
1239 |
fprintf(fp," return (int)OptoReg::reg2stack(ra_->get_reg_first(node->in(idx)));/* sReg */\n"); |
|
1240 |
fprintf(fp," }\n"); |
|
1241 |
} |
|
1242 |
||
1243 |
// Output the operand specific access functions used by an enc_class |
|
1244 |
// These are only defined when we want to override the default virtual func |
|
1245 |
if (oper->_interface != NULL) {
|
|
1246 |
fprintf(fp,"\n"); |
|
1247 |
// Check if it is a Memory Interface |
|
1248 |
if ( oper->_interface->is_MemInterface() != NULL ) {
|
|
1249 |
MemInterface *mem_interface = oper->_interface->is_MemInterface(); |
|
1250 |
const char *base = mem_interface->_base; |
|
1251 |
if( base != NULL ) {
|
|
1252 |
define_oper_interface(fp, *oper, _globalNames, "base", base); |
|
1253 |
} |
|
1254 |
char *index = mem_interface->_index; |
|
1255 |
if( index != NULL ) {
|
|
1256 |
define_oper_interface(fp, *oper, _globalNames, "index", index); |
|
1257 |
} |
|
1258 |
const char *scale = mem_interface->_scale; |
|
1259 |
if( scale != NULL ) {
|
|
1260 |
define_oper_interface(fp, *oper, _globalNames, "scale", scale); |
|
1261 |
} |
|
1262 |
const char *disp = mem_interface->_disp; |
|
1263 |
if( disp != NULL ) {
|
|
1264 |
define_oper_interface(fp, *oper, _globalNames, "disp", disp); |
|
1265 |
oper->disp_is_oop(fp, _globalNames); |
|
1266 |
} |
|
1267 |
if( oper->stack_slots_only(_globalNames) ) {
|
|
1268 |
// should not call this: |
|
1269 |
fprintf(fp," virtual int constant_disp() const { return Type::OffsetBot; }");
|
|
1270 |
} else if ( disp != NULL ) {
|
|
1271 |
define_oper_interface(fp, *oper, _globalNames, "constant_disp", disp); |
|
1272 |
} |
|
1273 |
} // end Memory Interface |
|
1274 |
// Check if it is a Conditional Interface |
|
1275 |
else if (oper->_interface->is_CondInterface() != NULL) {
|
|
1276 |
CondInterface *cInterface = oper->_interface->is_CondInterface(); |
|
1277 |
const char *equal = cInterface->_equal; |
|
1278 |
if( equal != NULL ) {
|
|
1279 |
define_oper_interface(fp, *oper, _globalNames, "equal", equal); |
|
1280 |
} |
|
1281 |
const char *not_equal = cInterface->_not_equal; |
|
1282 |
if( not_equal != NULL ) {
|
|
1283 |
define_oper_interface(fp, *oper, _globalNames, "not_equal", not_equal); |
|
1284 |
} |
|
1285 |
const char *less = cInterface->_less; |
|
1286 |
if( less != NULL ) {
|
|
1287 |
define_oper_interface(fp, *oper, _globalNames, "less", less); |
|
1288 |
} |
|
1289 |
const char *greater_equal = cInterface->_greater_equal; |
|
1290 |
if( greater_equal != NULL ) {
|
|
1291 |
define_oper_interface(fp, *oper, _globalNames, "greater_equal", greater_equal); |
|
1292 |
} |
|
1293 |
const char *less_equal = cInterface->_less_equal; |
|
1294 |
if( less_equal != NULL ) {
|
|
1295 |
define_oper_interface(fp, *oper, _globalNames, "less_equal", less_equal); |
|
1296 |
} |
|
1297 |
const char *greater = cInterface->_greater; |
|
1298 |
if( greater != NULL ) {
|
|
1299 |
define_oper_interface(fp, *oper, _globalNames, "greater", greater); |
|
1300 |
} |
|
1301 |
} // end Conditional Interface |
|
1302 |
// Check if it is a Constant Interface |
|
1303 |
else if (oper->_interface->is_ConstInterface() != NULL ) {
|
|
1304 |
assert( oper->num_consts(_globalNames) == 1, |
|
1305 |
"Must have one constant when using CONST_INTER encoding"); |
|
1306 |
if (!strcmp(oper->ideal_type(_globalNames), "ConI")) {
|
|
1307 |
// Access the locally stored constant |
|
1308 |
fprintf(fp," virtual intptr_t constant() const {");
|
|
1309 |
fprintf(fp, " return (intptr_t)_c0;"); |
|
1310 |
fprintf(fp," }\n"); |
|
1311 |
} |
|
1312 |
else if (!strcmp(oper->ideal_type(_globalNames), "ConP")) {
|
|
1313 |
// Access the locally stored constant |
|
1314 |
fprintf(fp," virtual intptr_t constant() const {");
|
|
1315 |
fprintf(fp, " return _c0->get_con();"); |
|
1316 |
fprintf(fp, " }\n"); |
|
1317 |
// Generate query to determine if this pointer is an oop |
|
1318 |
fprintf(fp," virtual bool constant_is_oop() const {");
|
|
1319 |
fprintf(fp, " return _c0->isa_oop_ptr();"); |
|
1320 |
fprintf(fp, " }\n"); |
|
1321 |
} |
|
|
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
1322 |
else if (!strcmp(oper->ideal_type(_globalNames), "ConN")) {
|
|
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
1323 |
// Access the locally stored constant |
|
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
1324 |
fprintf(fp," virtual intptr_t constant() const {");
|
|
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
1325 |
fprintf(fp, " return _c0->make_oopptr()->get_con();"); |
|
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
1326 |
fprintf(fp, " }\n"); |
|
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
1327 |
// Generate query to determine if this pointer is an oop |
|
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
1328 |
fprintf(fp," virtual bool constant_is_oop() const {");
|
|
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
1329 |
fprintf(fp, " return _c0->make_oopptr()->isa_oop_ptr();"); |
|
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
1330 |
fprintf(fp, " }\n"); |
|
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
1331 |
} |
| 1 | 1332 |
else if (!strcmp(oper->ideal_type(_globalNames), "ConL")) {
|
1333 |
fprintf(fp," virtual intptr_t constant() const {");
|
|
1334 |
// We don't support addressing modes with > 4Gig offsets. |
|
1335 |
// Truncate to int. |
|
1336 |
fprintf(fp, " return (intptr_t)_c0;"); |
|
1337 |
fprintf(fp, " }\n"); |
|
1338 |
fprintf(fp," virtual jlong constantL() const {");
|
|
1339 |
fprintf(fp, " return _c0;"); |
|
1340 |
fprintf(fp, " }\n"); |
|
1341 |
} |
|
1342 |
else if (!strcmp(oper->ideal_type(_globalNames), "ConF")) {
|
|
1343 |
fprintf(fp," virtual intptr_t constant() const {");
|
|
1344 |
fprintf(fp, " ShouldNotReachHere(); return 0; "); |
|
1345 |
fprintf(fp, " }\n"); |
|
1346 |
fprintf(fp," virtual jfloat constantF() const {");
|
|
1347 |
fprintf(fp, " return (jfloat)_c0;"); |
|
1348 |
fprintf(fp, " }\n"); |
|
1349 |
} |
|
1350 |
else if (!strcmp(oper->ideal_type(_globalNames), "ConD")) {
|
|
1351 |
fprintf(fp," virtual intptr_t constant() const {");
|
|
1352 |
fprintf(fp, " ShouldNotReachHere(); return 0; "); |
|
1353 |
fprintf(fp, " }\n"); |
|
1354 |
fprintf(fp," virtual jdouble constantD() const {");
|
|
1355 |
fprintf(fp, " return _c0;"); |
|
1356 |
fprintf(fp, " }\n"); |
|
1357 |
} |
|
1358 |
} |
|
1359 |
else if (oper->_interface->is_RegInterface() != NULL) {
|
|
1360 |
// make sure that a fixed format string isn't used for an |
|
1361 |
// operand which might be assiged to multiple registers. |
|
1362 |
// Otherwise the opto assembly output could be misleading. |
|
1363 |
if (oper->_format->_strings.count() != 0 && !oper->is_bound_register()) {
|
|
1364 |
syntax_err(oper->_linenum, |
|
1365 |
"Only bound registers can have fixed formats: %s\n", |
|
1366 |
oper->_ident); |
|
1367 |
} |
|
1368 |
} |
|
1369 |
else {
|
|
1370 |
assert( false, "ShouldNotReachHere();"); |
|
1371 |
} |
|
1372 |
} |
|
1373 |
||
1374 |
fprintf(fp,"\n"); |
|
1375 |
// // Currently all XXXOper::hash() methods are identical (990820) |
|
1376 |
// declare_hash(fp); |
|
1377 |
// // Currently all XXXOper::Cmp() methods are identical (990820) |
|
1378 |
// declare_cmp(fp); |
|
1379 |
||
1380 |
// Do not place dump_spec() and Name() into PRODUCT code |
|
1381 |
// int_format and ext_format are not needed in PRODUCT code either |
|
1382 |
fprintf(fp, "#ifndef PRODUCT\n"); |
|
1383 |
||
1384 |
// Declare int_format() and ext_format() |
|
1385 |
gen_oper_format(fp, _globalNames, *oper); |
|
1386 |
||
1387 |
// Machine independent print functionality for debugging |
|
1388 |
// IF we have constants, create a dump_spec function for the derived class |
|
1389 |
// |
|
1390 |
// (1) virtual void dump_spec() const {
|
|
1391 |
// (2) st->print("#%d", _c#); // Constant != ConP
|
|
1392 |
// OR _c#->dump_on(st); // Type ConP |
|
1393 |
// ... |
|
1394 |
// (3) } |
|
1395 |
uint num_consts = oper->num_consts(_globalNames); |
|
1396 |
if( num_consts > 0 ) {
|
|
1397 |
// line (1) |
|
1398 |
fprintf(fp, " virtual void dump_spec(outputStream *st) const {\n");
|
|
1399 |
// generate format string for st->print |
|
1400 |
// Iterate over the component list & spit out the right thing |
|
1401 |
uint i = 0; |
|
1402 |
const char *type = oper->ideal_type(_globalNames); |
|
1403 |
Component *comp; |
|
1404 |
oper->_components.reset(); |
|
1405 |
if ((comp = oper->_components.iter()) == NULL) {
|
|
1406 |
assert(num_consts == 1, "Bad component list detected.\n"); |
|
1407 |
i = dump_spec_constant( fp, type, i ); |
|
1408 |
// Check that type actually matched |
|
1409 |
assert( i != 0, "Non-constant operand lacks component list."); |
|
1410 |
} // end if NULL |
|
1411 |
else {
|
|
1412 |
// line (2) |
|
1413 |
// dump all components |
|
1414 |
oper->_components.reset(); |
|
1415 |
while((comp = oper->_components.iter()) != NULL) {
|
|
1416 |
type = comp->base_type(_globalNames); |
|
1417 |
i = dump_spec_constant( fp, type, i ); |
|
1418 |
} |
|
1419 |
} |
|
1420 |
// finish line (3) |
|
1421 |
fprintf(fp," }\n"); |
|
1422 |
} |
|
1423 |
||
1424 |
fprintf(fp," virtual const char *Name() const { return \"%s\";}\n",
|
|
1425 |
oper->_ident); |
|
1426 |
||
1427 |
fprintf(fp,"#endif\n"); |
|
1428 |
||
1429 |
// Close definition of this XxxMachOper |
|
1430 |
fprintf(fp,"};\n"); |
|
1431 |
} |
|
1432 |
||
1433 |
||
1434 |
// Generate Machine Classes for each instruction defined in AD file |
|
1435 |
fprintf(fp,"\n"); |
|
1436 |
fprintf(fp,"//----------------------------Declare classes for Pipelines-----------------\n"); |
|
1437 |
declare_pipe_classes(fp); |
|
1438 |
||
1439 |
// Generate Machine Classes for each instruction defined in AD file |
|
1440 |
fprintf(fp,"\n"); |
|
1441 |
fprintf(fp,"//----------------------------Declare classes derived from MachNode----------\n"); |
|
1442 |
_instructions.reset(); |
|
1443 |
InstructForm *instr; |
|
1444 |
for( ; (instr = (InstructForm*)_instructions.iter()) != NULL; ) {
|
|
1445 |
// Ensure this is a machine-world instruction |
|
1446 |
if ( instr->ideal_only() ) continue; |
|
1447 |
||
1448 |
// Build class definition for this instruction |
|
1449 |
fprintf(fp,"\n"); |
|
1450 |
fprintf(fp,"class %sNode : public %s { \n",
|
|
1451 |
instr->_ident, instr->mach_base_class() ); |
|
1452 |
fprintf(fp,"private:\n"); |
|
1453 |
fprintf(fp," MachOper *_opnd_array[%d];\n", instr->num_opnds() ); |
|
1454 |
if ( instr->is_ideal_jump() ) {
|
|
1455 |
fprintf(fp, " GrowableArray<Label*> _index2label;\n"); |
|
1456 |
} |
|
1457 |
fprintf(fp,"public:\n"); |
|
1458 |
fprintf(fp," MachOper *opnd_array(uint operand_index) const { assert(operand_index < _num_opnds, \"invalid _opnd_array index\"); return _opnd_array[operand_index]; }\n");
|
|
1459 |
fprintf(fp," void set_opnd_array(uint operand_index, MachOper *operand) { assert(operand_index < _num_opnds, \"invalid _opnd_array index\"); _opnd_array[operand_index] = operand; }\n");
|
|
1460 |
fprintf(fp,"private:\n"); |
|
1461 |
if ( instr->is_ideal_jump() ) {
|
|
1462 |
fprintf(fp," virtual void add_case_label(int index_num, Label* blockLabel) {\n");
|
|
1463 |
fprintf(fp," _index2label.at_put_grow(index_num, blockLabel);}\n"); |
|
1464 |
} |
|
1465 |
if( can_cisc_spill() && (instr->cisc_spill_alternate() != NULL) ) {
|
|
1466 |
fprintf(fp," const RegMask *_cisc_RegMask;\n"); |
|
1467 |
} |
|
1468 |
||
1469 |
out_RegMask(fp); // output register mask |
|
1470 |
fprintf(fp," virtual uint rule() const { return %s_rule; }\n",
|
|
1471 |
instr->_ident); |
|
1472 |
||
1473 |
// If this instruction contains a labelOper |
|
1474 |
// Declare Node::methods that set operand Label's contents |
|
1475 |
int label_position = instr->label_position(); |
|
1476 |
if( label_position != -1 ) {
|
|
1477 |
// Set the label, stored in labelOper::_branch_label |
|
1478 |
fprintf(fp," virtual void label_set( Label& label, uint block_num );\n"); |
|
1479 |
} |
|
1480 |
||
1481 |
// If this instruction contains a methodOper |
|
1482 |
// Declare Node::methods that set operand method's contents |
|
1483 |
int method_position = instr->method_position(); |
|
1484 |
if( method_position != -1 ) {
|
|
1485 |
// Set the address method, stored in methodOper::_method |
|
1486 |
fprintf(fp," virtual void method_set( intptr_t method );\n"); |
|
1487 |
} |
|
1488 |
||
1489 |
// virtual functions for attributes |
|
1490 |
// |
|
1491 |
// Each instruction attribute results in a virtual call of same name. |
|
1492 |
// The ins_cost is not handled here. |
|
1493 |
Attribute *attr = instr->_attribs; |
|
1494 |
bool is_pc_relative = false; |
|
1495 |
while (attr != NULL) {
|
|
1496 |
if (strcmp(attr->_ident,"ins_cost") && |
|
1497 |
strcmp(attr->_ident,"ins_pc_relative")) {
|
|
1498 |
fprintf(fp," int %s() const { return %s; }\n",
|
|
1499 |
attr->_ident, attr->_val); |
|
1500 |
} |
|
1501 |
// Check value for ins_pc_relative, and if it is true (1), set the flag |
|
1502 |
if (!strcmp(attr->_ident,"ins_pc_relative") && attr->int_val(*this) != 0) |
|
1503 |
is_pc_relative = true; |
|
1504 |
attr = (Attribute *)attr->_next; |
|
1505 |
} |
|
1506 |
||
1507 |
// virtual functions for encode and format |
|
1508 |
// |
|
1509 |
// Output the opcode function and the encode function here using the |
|
1510 |
// encoding class information in the _insencode slot. |
|
1511 |
if ( instr->_insencode ) {
|
|
1512 |
fprintf(fp," virtual void emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const;\n"); |
|
1513 |
} |
|
1514 |
||
1515 |
// virtual function for getting the size of an instruction |
|
1516 |
if ( instr->_size ) {
|
|
1517 |
fprintf(fp," virtual uint size(PhaseRegAlloc *ra_) const;\n"); |
|
1518 |
} |
|
1519 |
||
1520 |
// Return the top-level ideal opcode. |
|
1521 |
// Use MachNode::ideal_Opcode() for nodes based on MachNode class |
|
1522 |
// if the ideal_Opcode == Op_Node. |
|
1523 |
if ( strcmp("Node", instr->ideal_Opcode(_globalNames)) != 0 ||
|
|
1524 |
strcmp("MachNode", instr->mach_base_class()) != 0 ) {
|
|
1525 |
fprintf(fp," virtual int ideal_Opcode() const { return Op_%s; }\n",
|
|
1526 |
instr->ideal_Opcode(_globalNames) ); |
|
1527 |
} |
|
1528 |
||
1529 |
// Allow machine-independent optimization, invert the sense of the IF test |
|
1530 |
if( instr->is_ideal_if() ) {
|
|
1531 |
fprintf(fp," virtual void negate() { \n");
|
|
1532 |
// Identify which operand contains the negate(able) ideal condition code |
|
1533 |
int idx = 0; |
|
1534 |
instr->_components.reset(); |
|
1535 |
for( Component *comp; (comp = instr->_components.iter()) != NULL; ) {
|
|
1536 |
// Check that component is an operand |
|
1537 |
Form *form = (Form*)_globalNames[comp->_type]; |
|
1538 |
OperandForm *opForm = form ? form->is_operand() : NULL; |
|
1539 |
if( opForm == NULL ) continue; |
|
1540 |
||
1541 |
// Lookup the position of the operand in the instruction. |
|
1542 |
if( opForm->is_ideal_bool() ) {
|
|
1543 |
idx = instr->operand_position(comp->_name, comp->_usedef); |
|
1544 |
assert( idx != NameList::Not_in_list, "Did not find component in list that contained it."); |
|
1545 |
break; |
|
1546 |
} |
|
1547 |
} |
|
1548 |
fprintf(fp," opnd_array(%d)->negate();\n", idx); |
|
1549 |
fprintf(fp," _prob = 1.0f - _prob;\n"); |
|
1550 |
fprintf(fp," };\n"); |
|
1551 |
} |
|
1552 |
||
1553 |
||
1554 |
// Identify which input register matches the input register. |
|
1555 |
uint matching_input = instr->two_address(_globalNames); |
|
1556 |
||
1557 |
// Generate the method if it returns != 0 otherwise use MachNode::two_adr() |
|
1558 |
if( matching_input != 0 ) {
|
|
1559 |
fprintf(fp," virtual uint two_adr() const "); |
|
1560 |
fprintf(fp,"{ return oper_input_base()");
|
|
1561 |
for( uint i = 2; i <= matching_input; i++ ) |
|
1562 |
fprintf(fp," + opnd_array(%d)->num_edges()",i-1); |
|
1563 |
fprintf(fp,"; }\n"); |
|
1564 |
} |
|
1565 |
||
1566 |
// Declare cisc_version, if applicable |
|
1567 |
// MachNode *cisc_version( int offset /* ,... */ ); |
|
1568 |
instr->declare_cisc_version(*this, fp); |
|
1569 |
||
1570 |
// If there is an explicit peephole rule, build it |
|
1571 |
if ( instr->peepholes() != NULL ) {
|
|
1572 |
fprintf(fp," virtual MachNode *peephole(Block *block, int block_index, PhaseRegAlloc *ra_, int &deleted, Compile *C);\n"); |
|
1573 |
} |
|
1574 |
||
1575 |
// Output the declaration for number of relocation entries |
|
1576 |
if ( instr->reloc(_globalNames) != 0 ) {
|
|
1577 |
fprintf(fp," virtual int reloc() const;\n"); |
|
1578 |
} |
|
1579 |
||
1580 |
if (instr->alignment() != 1) {
|
|
1581 |
fprintf(fp," virtual int alignment_required() const { return %d; }\n", instr->alignment());
|
|
1582 |
fprintf(fp," virtual int compute_padding(int current_offset) const;\n"); |
|
1583 |
} |
|
1584 |
||
1585 |
// Starting point for inputs matcher wants. |
|
1586 |
// Use MachNode::oper_input_base() for nodes based on MachNode class |
|
1587 |
// if the base == 1. |
|
1588 |
if ( instr->oper_input_base(_globalNames) != 1 || |
|
1589 |
strcmp("MachNode", instr->mach_base_class()) != 0 ) {
|
|
1590 |
fprintf(fp," virtual uint oper_input_base() const { return %d; }\n",
|
|
1591 |
instr->oper_input_base(_globalNames)); |
|
1592 |
} |
|
1593 |
||
1594 |
// Make the constructor and following methods 'public:' |
|
1595 |
fprintf(fp,"public:\n"); |
|
1596 |
||
1597 |
// Constructor |
|
1598 |
if ( instr->is_ideal_jump() ) {
|
|
1599 |
fprintf(fp," %sNode() : _index2label(MinJumpTableSize*2) { ", instr->_ident);
|
|
1600 |
} else {
|
|
1601 |
fprintf(fp," %sNode() { ", instr->_ident);
|
|
1602 |
if( can_cisc_spill() && (instr->cisc_spill_alternate() != NULL) ) {
|
|
1603 |
fprintf(fp,"_cisc_RegMask = NULL; "); |
|
1604 |
} |
|
1605 |
} |
|
1606 |
||
1607 |
fprintf(fp," _num_opnds = %d; _opnds = _opnd_array; ", instr->num_opnds()); |
|
1608 |
||
1609 |
bool node_flags_set = false; |
|
1610 |
// flag: if this instruction matches an ideal 'Goto' node |
|
1611 |
if ( instr->is_ideal_goto() ) {
|
|
1612 |
fprintf(fp,"init_flags(Flag_is_Goto"); |
|
1613 |
node_flags_set = true; |
|
1614 |
} |
|
1615 |
||
1616 |
// flag: if this instruction matches an ideal 'Copy*' node |
|
1617 |
if ( instr->is_ideal_copy() != 0 ) {
|
|
1618 |
if ( node_flags_set ) {
|
|
1619 |
fprintf(fp," | Flag_is_Copy"); |
|
1620 |
} else {
|
|
1621 |
fprintf(fp,"init_flags(Flag_is_Copy"); |
|
1622 |
node_flags_set = true; |
|
1623 |
} |
|
1624 |
} |
|
1625 |
||
1626 |
// Is an instruction is a constant? If so, get its type |
|
1627 |
Form::DataType data_type; |
|
1628 |
const char *opType = NULL; |
|
1629 |
const char *result = NULL; |
|
1630 |
data_type = instr->is_chain_of_constant(_globalNames, opType, result); |
|
1631 |
// Check if this instruction is a constant |
|
1632 |
if ( data_type != Form::none ) {
|
|
1633 |
if ( node_flags_set ) {
|
|
1634 |
fprintf(fp," | Flag_is_Con"); |
|
1635 |
} else {
|
|
1636 |
fprintf(fp,"init_flags(Flag_is_Con"); |
|
1637 |
node_flags_set = true; |
|
1638 |
} |
|
1639 |
} |
|
1640 |
||
1641 |
// flag: if instruction matches 'If' | 'Goto' | 'CountedLoopEnd | 'Jump' |
|
1642 |
if ( instr->is_ideal_branch() ) {
|
|
1643 |
if ( node_flags_set ) {
|
|
1644 |
fprintf(fp," | Flag_is_Branch"); |
|
1645 |
} else {
|
|
1646 |
fprintf(fp,"init_flags(Flag_is_Branch"); |
|
1647 |
node_flags_set = true; |
|
1648 |
} |
|
1649 |
} |
|
1650 |
||
1651 |
// flag: if this instruction is cisc alternate |
|
1652 |
if ( can_cisc_spill() && instr->is_cisc_alternate() ) {
|
|
1653 |
if ( node_flags_set ) {
|
|
1654 |
fprintf(fp," | Flag_is_cisc_alternate"); |
|
1655 |
} else {
|
|
1656 |
fprintf(fp,"init_flags(Flag_is_cisc_alternate"); |
|
1657 |
node_flags_set = true; |
|
1658 |
} |
|
1659 |
} |
|
1660 |
||
1661 |
// flag: if this instruction is pc relative |
|
1662 |
if ( is_pc_relative ) {
|
|
1663 |
if ( node_flags_set ) {
|
|
1664 |
fprintf(fp," | Flag_is_pc_relative"); |
|
1665 |
} else {
|
|
1666 |
fprintf(fp,"init_flags(Flag_is_pc_relative"); |
|
1667 |
node_flags_set = true; |
|
1668 |
} |
|
1669 |
} |
|
1670 |
||
1671 |
// flag: if this instruction has short branch form |
|
1672 |
if ( instr->has_short_branch_form() ) {
|
|
1673 |
if ( node_flags_set ) {
|
|
1674 |
fprintf(fp," | Flag_may_be_short_branch"); |
|
1675 |
} else {
|
|
1676 |
fprintf(fp,"init_flags(Flag_may_be_short_branch"); |
|
1677 |
node_flags_set = true; |
|
1678 |
} |
|
1679 |
} |
|
1680 |
||
1681 |
// Check if machine instructions that USE memory, but do not DEF memory, |
|
1682 |
// depend upon a node that defines memory in machine-independent graph. |
|
1683 |
if ( instr->needs_anti_dependence_check(_globalNames) ) {
|
|
1684 |
if ( node_flags_set ) {
|
|
1685 |
fprintf(fp," | Flag_needs_anti_dependence_check"); |
|
1686 |
} else {
|
|
1687 |
fprintf(fp,"init_flags(Flag_needs_anti_dependence_check"); |
|
1688 |
node_flags_set = true; |
|
1689 |
} |
|
1690 |
} |
|
1691 |
||
1692 |
if ( node_flags_set ) {
|
|
1693 |
fprintf(fp,"); "); |
|
1694 |
} |
|
1695 |
||
1696 |
if (instr->is_ideal_unlock() || instr->is_ideal_call_leaf()) {
|
|
1697 |
fprintf(fp,"clear_flag(Flag_is_safepoint_node); "); |
|
1698 |
} |
|
1699 |
||
1700 |
fprintf(fp,"}\n"); |
|
1701 |
||
1702 |
// size_of, used by base class's clone to obtain the correct size. |
|
1703 |
fprintf(fp," virtual uint size_of() const {");
|
|
1704 |
fprintf(fp, " return sizeof(%sNode);", instr->_ident); |
|
1705 |
fprintf(fp, " }\n"); |
|
1706 |
||
1707 |
// Virtual methods which are only generated to override base class |
|
1708 |
if( instr->expands() || instr->needs_projections() || |
|
1709 |
instr->has_temps() || |
|
1710 |
instr->_matrule != NULL && |
|
1711 |
instr->num_opnds() != instr->num_unique_opnds() ) {
|
|
1712 |
fprintf(fp," virtual MachNode *Expand(State *state, Node_List &proj_list);\n"); |
|
1713 |
} |
|
1714 |
||
1715 |
if (instr->is_pinned(_globalNames)) {
|
|
1716 |
fprintf(fp," virtual bool pinned() const { return ");
|
|
1717 |
if (instr->is_parm(_globalNames)) {
|
|
1718 |
fprintf(fp,"_in[0]->pinned();"); |
|
1719 |
} else {
|
|
1720 |
fprintf(fp,"true;"); |
|
1721 |
} |
|
1722 |
fprintf(fp," }\n"); |
|
1723 |
} |
|
1724 |
if (instr->is_projection(_globalNames)) {
|
|
1725 |
fprintf(fp," virtual const Node *is_block_proj() const { return this; }\n");
|
|
1726 |
} |
|
1727 |
if ( instr->num_post_match_opnds() != 0 |
|
1728 |
|| instr->is_chain_of_constant(_globalNames) ) {
|
|
1729 |
fprintf(fp," friend MachNode *State::MachNodeGenerator(int opcode, Compile* C);\n"); |
|
1730 |
} |
|
1731 |
if ( instr->rematerialize(_globalNames, get_registers()) ) {
|
|
1732 |
fprintf(fp," // Rematerialize %s\n", instr->_ident); |
|
1733 |
} |
|
1734 |
||
1735 |
// Declare short branch methods, if applicable |
|
1736 |
instr->declare_short_branch_methods(fp); |
|
1737 |
||
1738 |
// Instructions containing a constant that will be entered into the |
|
1739 |
// float/double table redefine the base virtual function |
|
1740 |
#ifdef SPARC |
|
1741 |
// Sparc doubles entries in the constant table require more space for |
|
1742 |
// alignment. (expires 9/98) |
|
1743 |
int table_entries = (3 * instr->num_consts( _globalNames, Form::idealD )) |
|
1744 |
+ instr->num_consts( _globalNames, Form::idealF ); |
|
1745 |
#else |
|
1746 |
int table_entries = instr->num_consts( _globalNames, Form::idealD ) |
|
1747 |
+ instr->num_consts( _globalNames, Form::idealF ); |
|
1748 |
#endif |
|
1749 |
if( table_entries != 0 ) {
|
|
1750 |
fprintf(fp," virtual int const_size() const {");
|
|
1751 |
fprintf(fp, " return %d;", table_entries); |
|
1752 |
fprintf(fp, " }\n"); |
|
1753 |
} |
|
1754 |
||
1755 |
||
1756 |
// See if there is an "ins_pipe" declaration for this instruction |
|
1757 |
if (instr->_ins_pipe) {
|
|
1758 |
fprintf(fp," static const Pipeline *pipeline_class();\n"); |
|
1759 |
fprintf(fp," virtual const Pipeline *pipeline() const;\n"); |
|
1760 |
} |
|
1761 |
||
1762 |
// Generate virtual function for MachNodeX::bottom_type when necessary |
|
1763 |
// |
|
1764 |
// Note on accuracy: Pointer-types of machine nodes need to be accurate, |
|
1765 |
// or else alias analysis on the matched graph may produce bad code. |
|
1766 |
// Moreover, the aliasing decisions made on machine-node graph must be |
|
1767 |
// no less accurate than those made on the ideal graph, or else the graph |
|
1768 |
// may fail to schedule. (Reason: Memory ops which are reordered in |
|
1769 |
// the ideal graph might look interdependent in the machine graph, |
|
1770 |
// thereby removing degrees of scheduling freedom that the optimizer |
|
1771 |
// assumed would be available.) |
|
1772 |
// |
|
1773 |
// %%% We should handle many of these cases with an explicit ADL clause: |
|
1774 |
// instruct foo() %{ ... bottom_type(TypeRawPtr::BOTTOM); ... %}
|
|
1775 |
if( data_type != Form::none ) {
|
|
1776 |
// A constant's bottom_type returns a Type containing its constant value |
|
1777 |
||
1778 |
// !!!!! |
|
1779 |
// Convert all ints, floats, ... to machine-independent TypeXs |
|
1780 |
// as is done for pointers |
|
1781 |
// |
|
1782 |
// Construct appropriate constant type containing the constant value. |
|
1783 |
fprintf(fp," virtual const class Type *bottom_type() const{\n");
|
|
1784 |
switch( data_type ) {
|
|
1785 |
case Form::idealI: |
|
1786 |
fprintf(fp," return TypeInt::make(opnd_array(1)->constant());\n"); |
|
1787 |
break; |
|
1788 |
case Form::idealP: |
|
|
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
1789 |
case Form::idealN: |
| 1 | 1790 |
fprintf(fp," return opnd_array(1)->type();\n",result); |
1791 |
break; |
|
1792 |
case Form::idealD: |
|
1793 |
fprintf(fp," return TypeD::make(opnd_array(1)->constantD());\n"); |
|
1794 |
break; |
|
1795 |
case Form::idealF: |
|
1796 |
fprintf(fp," return TypeF::make(opnd_array(1)->constantF());\n"); |
|
1797 |
break; |
|
1798 |
case Form::idealL: |
|
1799 |
fprintf(fp," return TypeLong::make(opnd_array(1)->constantL());\n"); |
|
1800 |
break; |
|
1801 |
default: |
|
1802 |
assert( false, "Unimplemented()" ); |
|
1803 |
break; |
|
1804 |
} |
|
1805 |
fprintf(fp," };\n"); |
|
1806 |
} |
|
1807 |
/* else if ( instr->_matrule && instr->_matrule->_rChild && |
|
1808 |
( strcmp("ConvF2I",instr->_matrule->_rChild->_opType)==0
|
|
1809 |
|| strcmp("ConvD2I",instr->_matrule->_rChild->_opType)==0 ) ) {
|
|
1810 |
// !!!!! !!!!! |
|
1811 |
// Provide explicit bottom type for conversions to int |
|
1812 |
// On Intel the result operand is a stackSlot, untyped. |
|
1813 |
fprintf(fp," virtual const class Type *bottom_type() const{");
|
|
1814 |
fprintf(fp, " return TypeInt::INT;"); |
|
1815 |
fprintf(fp, " };\n"); |
|
1816 |
}*/ |
|
1817 |
else if( instr->is_ideal_copy() && |
|
1818 |
!strcmp(instr->_matrule->_lChild->_opType,"stackSlotP") ) {
|
|
1819 |
// !!!!! |
|
1820 |
// Special hack for ideal Copy of pointer. Bottom type is oop or not depending on input. |
|
1821 |
fprintf(fp," const Type *bottom_type() const { return in(1)->bottom_type(); } // Copy?\n");
|
|
1822 |
} |
|
1823 |
else if( instr->is_ideal_loadPC() ) {
|
|
1824 |
// LoadPCNode provides the return address of a call to native code. |
|
1825 |
// Define its bottom type to be TypeRawPtr::BOTTOM instead of TypePtr::BOTTOM |
|
1826 |
// since it is a pointer to an internal VM location and must have a zero offset. |
|
1827 |
// Allocation detects derived pointers, in part, by their non-zero offsets. |
|
1828 |
fprintf(fp," const Type *bottom_type() const { return TypeRawPtr::BOTTOM; } // LoadPC?\n");
|
|
1829 |
} |
|
1830 |
else if( instr->is_ideal_box() ) {
|
|
1831 |
// BoxNode provides the address of a stack slot. |
|
1832 |
// Define its bottom type to be TypeRawPtr::BOTTOM instead of TypePtr::BOTTOM |
|
1833 |
// This prevent s insert_anti_dependencies from complaining. It will |
|
1834 |
// complain if it see that the pointer base is TypePtr::BOTTOM since |
|
1835 |
// it doesn't understand what that might alias. |
|
1836 |
fprintf(fp," const Type *bottom_type() const { return TypeRawPtr::BOTTOM; } // Box?\n");
|
|
1837 |
} |
|
1838 |
else if( instr->_matrule && instr->_matrule->_rChild && !strcmp(instr->_matrule->_rChild->_opType,"CMoveP") ) {
|
|
1839 |
int offset = 1; |
|
1840 |
// Special special hack to see if the Cmp? has been incorporated in the conditional move |
|
1841 |
MatchNode *rl = instr->_matrule->_rChild->_lChild; |
|
1842 |
if( rl && !strcmp(rl->_opType, "Binary") ) {
|
|
1843 |
MatchNode *rlr = rl->_rChild; |
|
1844 |
if (rlr && strncmp(rlr->_opType, "Cmp", 3) == 0) |
|
1845 |
offset = 2; |
|
1846 |
} |
|
1847 |
// Special hack for ideal CMoveP; ideal type depends on inputs |
|
1848 |
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",
|
|
1849 |
offset, offset+1, offset+1); |
|
1850 |
} |
|
|
1055
f4fb9fb08038
6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type")
kvn
parents:
670
diff
changeset
|
1851 |
else if( instr->_matrule && instr->_matrule->_rChild && !strcmp(instr->_matrule->_rChild->_opType,"CMoveN") ) {
|
|
f4fb9fb08038
6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type")
kvn
parents:
670
diff
changeset
|
1852 |
int offset = 1; |
|
f4fb9fb08038
6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type")
kvn
parents:
670
diff
changeset
|
1853 |
// Special special hack to see if the Cmp? has been incorporated in the conditional move |
|
f4fb9fb08038
6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type")
kvn
parents:
670
diff
changeset
|
1854 |
MatchNode *rl = instr->_matrule->_rChild->_lChild; |
|
f4fb9fb08038
6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type")
kvn
parents:
670
diff
changeset
|
1855 |
if( rl && !strcmp(rl->_opType, "Binary") ) {
|
|
f4fb9fb08038
6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type")
kvn
parents:
670
diff
changeset
|
1856 |
MatchNode *rlr = rl->_rChild; |
|
f4fb9fb08038
6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type")
kvn
parents:
670
diff
changeset
|
1857 |
if (rlr && strncmp(rlr->_opType, "Cmp", 3) == 0) |
|
f4fb9fb08038
6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type")
kvn
parents:
670
diff
changeset
|
1858 |
offset = 2; |
|
f4fb9fb08038
6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type")
kvn
parents:
670
diff
changeset
|
1859 |
} |
|
f4fb9fb08038
6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type")
kvn
parents:
670
diff
changeset
|
1860 |
// Special hack for ideal CMoveN; ideal type depends on inputs |
|
f4fb9fb08038
6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type")
kvn
parents:
670
diff
changeset
|
1861 |
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",
|
|
f4fb9fb08038
6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type")
kvn
parents:
670
diff
changeset
|
1862 |
offset, offset+1, offset+1); |
|
f4fb9fb08038
6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type")
kvn
parents:
670
diff
changeset
|
1863 |
} |
| 1 | 1864 |
else if( instr->needs_base_oop_edge(_globalNames) ) {
|
1865 |
// Special hack for ideal AddP. Bottom type is an oop IFF it has a |
|
1866 |
// legal base-pointer input. Otherwise it is NOT an oop. |
|
1867 |
fprintf(fp," const Type *bottom_type() const { return AddPNode::mach_bottom_type(this); } // AddP\n");
|
|
1868 |
} |
|
1869 |
else if (instr->is_tls_instruction()) {
|
|
1870 |
// Special hack for tlsLoadP |
|
1871 |
fprintf(fp," const Type *bottom_type() const { return TypeRawPtr::BOTTOM; } // tlsLoadP\n");
|
|
1872 |
} |
|
1873 |
else if ( instr->is_ideal_if() ) {
|
|
1874 |
fprintf(fp," const Type *bottom_type() const { return TypeTuple::IFBOTH; } // matched IfNode\n");
|
|
1875 |
} |
|
1876 |
else if ( instr->is_ideal_membar() ) {
|
|
1877 |
fprintf(fp," const Type *bottom_type() const { return TypeTuple::MEMBAR; } // matched MemBar\n");
|
|
1878 |
} |
|
1879 |
||
1880 |
// Check where 'ideal_type' must be customized |
|
1881 |
/* |
|
1882 |
if ( instr->_matrule && instr->_matrule->_rChild && |
|
1883 |
( strcmp("ConvF2I",instr->_matrule->_rChild->_opType)==0
|
|
1884 |
|| strcmp("ConvD2I",instr->_matrule->_rChild->_opType)==0 ) ) {
|
|
1885 |
fprintf(fp," virtual uint ideal_reg() const { return Compile::current()->matcher()->base2reg[Type::Int]; }\n");
|
|
1886 |
}*/ |
|
1887 |
||
1888 |
// Analyze machine instructions that either USE or DEF memory. |
|
1889 |
int memory_operand = instr->memory_operand(_globalNames); |
|
1890 |
// Some guys kill all of memory |
|
1891 |
if ( instr->is_wide_memory_kill(_globalNames) ) {
|
|
1892 |
memory_operand = InstructForm::MANY_MEMORY_OPERANDS; |
|
1893 |
} |
|
1894 |
if ( memory_operand != InstructForm::NO_MEMORY_OPERAND ) {
|
|
1895 |
if( memory_operand == InstructForm::MANY_MEMORY_OPERANDS ) {
|
|
1896 |
fprintf(fp," virtual const TypePtr *adr_type() const;\n"); |
|
1897 |
} |
|
1898 |
fprintf(fp," virtual const MachOper *memory_operand() const;\n"); |
|
1899 |
} |
|
1900 |
||
1901 |
fprintf(fp, "#ifndef PRODUCT\n"); |
|
1902 |
||
1903 |
// virtual function for generating the user's assembler output |
|
1904 |
gen_inst_format(fp, _globalNames,*instr); |
|
1905 |
||
1906 |
// Machine independent print functionality for debugging |
|
1907 |
fprintf(fp," virtual const char *Name() const { return \"%s\";}\n",
|
|
1908 |
instr->_ident); |
|
1909 |
||
1910 |
fprintf(fp, "#endif\n"); |
|
1911 |
||
1912 |
// Close definition of this XxxMachNode |
|
1913 |
fprintf(fp,"};\n"); |
|
1914 |
}; |
|
1915 |
||
1916 |
} |
|
1917 |
||
1918 |
void ArchDesc::defineStateClass(FILE *fp) {
|
|
1919 |
static const char *state__valid = "_valid[((uint)index) >> 5] & (0x1 << (((uint)index) & 0x0001F))"; |
|
1920 |
static const char *state__set_valid= "_valid[((uint)index) >> 5] |= (0x1 << (((uint)index) & 0x0001F))"; |
|
1921 |
||
1922 |
fprintf(fp,"\n"); |
|
1923 |
fprintf(fp,"// MACROS to inline and constant fold State::valid(index)...\n"); |
|
1924 |
fprintf(fp,"// when given a constant 'index' in dfa_<arch>.cpp\n"); |
|
1925 |
fprintf(fp,"// uint word = index >> 5; // Shift out bit position\n"); |
|
1926 |
fprintf(fp,"// uint bitpos = index & 0x0001F; // Mask off word bits\n"); |
|
1927 |
fprintf(fp,"#define STATE__VALID(index) "); |
|
1928 |
fprintf(fp," (%s)\n", state__valid); |
|
1929 |
fprintf(fp,"\n"); |
|
1930 |
fprintf(fp,"#define STATE__NOT_YET_VALID(index) "); |
|
1931 |
fprintf(fp," ( (%s) == 0 )\n", state__valid); |
|
1932 |
fprintf(fp,"\n"); |
|
1933 |
fprintf(fp,"#define STATE__VALID_CHILD(state,index) "); |
|
1934 |
fprintf(fp," ( state && (state->%s) )\n", state__valid); |
|
1935 |
fprintf(fp,"\n"); |
|
1936 |
fprintf(fp,"#define STATE__SET_VALID(index) "); |
|
1937 |
fprintf(fp," (%s)\n", state__set_valid); |
|
1938 |
fprintf(fp,"\n"); |
|
1939 |
fprintf(fp, |
|
1940 |
"//---------------------------State-------------------------------------------\n"); |
|
1941 |
fprintf(fp,"// State contains an integral cost vector, indexed by machine operand opcodes,\n"); |
|
1942 |
fprintf(fp,"// a rule vector consisting of machine operand/instruction opcodes, and also\n"); |
|
1943 |
fprintf(fp,"// indexed by machine operand opcodes, pointers to the children in the label\n"); |
|
1944 |
fprintf(fp,"// tree generated by the Label routines in ideal nodes (currently limited to\n"); |
|
1945 |
fprintf(fp,"// two for convenience, but this could change).\n"); |
|
1946 |
fprintf(fp,"class State : public ResourceObj {\n");
|
|
1947 |
fprintf(fp,"public:\n"); |
|
1948 |
fprintf(fp," int _id; // State identifier\n"); |
|
1949 |
fprintf(fp," Node *_leaf; // Ideal (non-machine-node) leaf of match tree\n"); |
|
1950 |
fprintf(fp," State *_kids[2]; // Children of state node in label tree\n"); |
|
1951 |
fprintf(fp," unsigned int _cost[_LAST_MACH_OPER]; // Cost vector, indexed by operand opcodes\n"); |
|
1952 |
fprintf(fp," unsigned int _rule[_LAST_MACH_OPER]; // Rule vector, indexed by operand opcodes\n"); |
|
1953 |
fprintf(fp," unsigned int _valid[(_LAST_MACH_OPER/32)+1]; // Bit Map of valid Cost/Rule entries\n"); |
|
1954 |
fprintf(fp,"\n"); |
|
1955 |
fprintf(fp," State(void); // Constructor\n"); |
|
1956 |
fprintf(fp," DEBUG_ONLY( ~State(void); ) // Destructor\n"); |
|
1957 |
fprintf(fp,"\n"); |
|
1958 |
fprintf(fp," // Methods created by ADLC and invoked by Reduce\n"); |
|
1959 |
fprintf(fp," MachOper *MachOperGenerator( int opcode, Compile* C );\n"); |
|
1960 |
fprintf(fp," MachNode *MachNodeGenerator( int opcode, Compile* C );\n"); |
|
1961 |
fprintf(fp,"\n"); |
|
1962 |
fprintf(fp," // Assign a state to a node, definition of method produced by ADLC\n"); |
|
1963 |
fprintf(fp," bool DFA( int opcode, const Node *ideal );\n"); |
|
1964 |
fprintf(fp,"\n"); |
|
1965 |
fprintf(fp," // Access function for _valid bit vector\n"); |
|
1966 |
fprintf(fp," bool valid(uint index) {\n");
|
|
1967 |
fprintf(fp," return( STATE__VALID(index) != 0 );\n"); |
|
1968 |
fprintf(fp," }\n"); |
|
1969 |
fprintf(fp,"\n"); |
|
1970 |
fprintf(fp," // Set function for _valid bit vector\n"); |
|
1971 |
fprintf(fp," void set_valid(uint index) {\n");
|
|
1972 |
fprintf(fp," STATE__SET_VALID(index);\n"); |
|
1973 |
fprintf(fp," }\n"); |
|
1974 |
fprintf(fp,"\n"); |
|
1975 |
fprintf(fp,"#ifndef PRODUCT\n"); |
|
1976 |
fprintf(fp," void dump(); // Debugging prints\n"); |
|
1977 |
fprintf(fp," void dump(int depth);\n"); |
|
1978 |
fprintf(fp,"#endif\n"); |
|
1979 |
if (_dfa_small) {
|
|
1980 |
// Generate the routine name we'll need |
|
1981 |
for (int i = 1; i < _last_opcode; i++) {
|
|
1982 |
if (_mlistab[i] == NULL) continue; |
|
1983 |
fprintf(fp, " void _sub_Op_%s(const Node *n);\n", NodeClassNames[i]); |
|
1984 |
} |
|
1985 |
} |
|
1986 |
fprintf(fp,"};\n"); |
|
1987 |
fprintf(fp,"\n"); |
|
1988 |
fprintf(fp,"\n"); |
|
1989 |
||
1990 |
} |
|
1991 |
||
1992 |
||
1993 |
//---------------------------buildMachOperEnum--------------------------------- |
|
1994 |
// Build enumeration for densely packed operands. |
|
1995 |
// This enumeration is used to index into the arrays in the State objects |
|
1996 |
// that indicate cost and a successfull rule match. |
|
1997 |
||
1998 |
// Information needed to generate the ReduceOp mapping for the DFA |
|
1999 |
class OutputMachOperands : public OutputMap {
|
|
2000 |
public: |
|
2001 |
OutputMachOperands(FILE *hpp, FILE *cpp, FormDict &globals, ArchDesc &AD) |
|
2002 |
: OutputMap(hpp, cpp, globals, AD) {};
|
|
2003 |
||
2004 |
void declaration() { }
|
|
2005 |
void definition() { fprintf(_cpp, "enum MachOperands {\n"); }
|
|
2006 |
void closing() { fprintf(_cpp, " _LAST_MACH_OPER\n");
|
|
2007 |
OutputMap::closing(); |
|
2008 |
} |
|
2009 |
void map(OpClassForm &opc) { fprintf(_cpp, " %s", _AD.machOperEnum(opc._ident) ); }
|
|
2010 |
void map(OperandForm &oper) { fprintf(_cpp, " %s", _AD.machOperEnum(oper._ident) ); }
|
|
2011 |
void map(char *name) { fprintf(_cpp, " %s", _AD.machOperEnum(name)); }
|
|
2012 |
||
2013 |
bool do_instructions() { return false; }
|
|
2014 |
void map(InstructForm &inst){ assert( false, "ShouldNotCallThis()"); }
|
|
2015 |
}; |
|
2016 |
||
2017 |
||
2018 |
void ArchDesc::buildMachOperEnum(FILE *fp_hpp) {
|
|
2019 |
// Construct the table for MachOpcodes |
|
2020 |
OutputMachOperands output_mach_operands(fp_hpp, fp_hpp, _globalNames, *this); |
|
2021 |
build_map(output_mach_operands); |
|
2022 |
} |
|
2023 |
||
2024 |
||
2025 |
//---------------------------buildMachEnum---------------------------------- |
|
2026 |
// Build enumeration for all MachOpers and all MachNodes |
|
2027 |
||
2028 |
// Information needed to generate the ReduceOp mapping for the DFA |
|
2029 |
class OutputMachOpcodes : public OutputMap {
|
|
2030 |
int begin_inst_chain_rule; |
|
2031 |
int end_inst_chain_rule; |
|
2032 |
int begin_rematerialize; |
|
2033 |
int end_rematerialize; |
|
2034 |
int end_instructions; |
|
2035 |
public: |
|
2036 |
OutputMachOpcodes(FILE *hpp, FILE *cpp, FormDict &globals, ArchDesc &AD) |
|
2037 |
: OutputMap(hpp, cpp, globals, AD), |
|
2038 |
begin_inst_chain_rule(-1), end_inst_chain_rule(-1), end_instructions(-1) |
|
2039 |
{};
|
|
2040 |
||
2041 |
void declaration() { }
|
|
2042 |
void definition() { fprintf(_cpp, "enum MachOpcodes {\n"); }
|
|
2043 |
void closing() {
|
|
2044 |
if( begin_inst_chain_rule != -1 ) |
|
2045 |
fprintf(_cpp, " _BEGIN_INST_CHAIN_RULE = %d,\n", begin_inst_chain_rule); |
|
2046 |
if( end_inst_chain_rule != -1 ) |
|
2047 |
fprintf(_cpp, " _END_INST_CHAIN_RULE = %d,\n", end_inst_chain_rule); |
|
2048 |
if( begin_rematerialize != -1 ) |
|
2049 |
fprintf(_cpp, " _BEGIN_REMATERIALIZE = %d,\n", begin_rematerialize); |
|
2050 |
if( end_rematerialize != -1 ) |
|
2051 |
fprintf(_cpp, " _END_REMATERIALIZE = %d,\n", end_rematerialize); |
|
2052 |
// always execute since do_instructions() is true, and avoids trailing comma |
|
2053 |
fprintf(_cpp, " _last_Mach_Node = %d \n", end_instructions); |
|
2054 |
OutputMap::closing(); |
|
2055 |
} |
|
2056 |
void map(OpClassForm &opc) { fprintf(_cpp, " %s_rule", opc._ident ); }
|
|
2057 |
void map(OperandForm &oper) { fprintf(_cpp, " %s_rule", oper._ident ); }
|
|
2058 |
void map(char *name) { if (name) fprintf(_cpp, " %s_rule", name);
|
|
2059 |
else fprintf(_cpp, " 0"); } |
|
2060 |
void map(InstructForm &inst) {fprintf(_cpp, " %s_rule", inst._ident ); }
|
|
2061 |
||
2062 |
void record_position(OutputMap::position place, int idx ) {
|
|
2063 |
switch(place) {
|
|
2064 |
case OutputMap::BEGIN_INST_CHAIN_RULES : |
|
2065 |
begin_inst_chain_rule = idx; |
|
2066 |
break; |
|
2067 |
case OutputMap::END_INST_CHAIN_RULES : |
|
2068 |
end_inst_chain_rule = idx; |
|
2069 |
break; |
|
2070 |
case OutputMap::BEGIN_REMATERIALIZE : |
|
2071 |
begin_rematerialize = idx; |
|
2072 |
break; |
|
2073 |
case OutputMap::END_REMATERIALIZE : |
|
2074 |
end_rematerialize = idx; |
|
2075 |
break; |
|
2076 |
case OutputMap::END_INSTRUCTIONS : |
|
2077 |
end_instructions = idx; |
|
2078 |
break; |
|
2079 |
default: |
|
2080 |
break; |
|
2081 |
} |
|
2082 |
} |
|
2083 |
}; |
|
2084 |
||
2085 |
||
2086 |
void ArchDesc::buildMachOpcodesEnum(FILE *fp_hpp) {
|
|
2087 |
// Construct the table for MachOpcodes |
|
2088 |
OutputMachOpcodes output_mach_opcodes(fp_hpp, fp_hpp, _globalNames, *this); |
|
2089 |
build_map(output_mach_opcodes); |
|
2090 |
} |
|
2091 |
||
2092 |
||
2093 |
// Generate an enumeration of the pipeline states, and both |
|
2094 |
// the functional units (resources) and the masks for |
|
2095 |
// specifying resources |
|
2096 |
void ArchDesc::build_pipeline_enums(FILE *fp_hpp) {
|
|
2097 |
int stagelen = (int)strlen("undefined");
|
|
2098 |
int stagenum = 0; |
|
2099 |
||
2100 |
if (_pipeline) { // Find max enum string length
|
|
2101 |
const char *stage; |
|
2102 |
for ( _pipeline->_stages.reset(); (stage = _pipeline->_stages.iter()) != NULL; ) {
|
|
2103 |
int len = (int)strlen(stage); |
|
2104 |
if (stagelen < len) stagelen = len; |
|
2105 |
} |
|
2106 |
} |
|
2107 |
||
2108 |
// Generate a list of stages |
|
2109 |
fprintf(fp_hpp, "\n"); |
|
2110 |
fprintf(fp_hpp, "// Pipeline Stages\n"); |
|
2111 |
fprintf(fp_hpp, "enum machPipelineStages {\n");
|
|
2112 |
fprintf(fp_hpp, " stage_%-*s = 0,\n", stagelen, "undefined"); |
|
2113 |
||
2114 |
if( _pipeline ) {
|
|
2115 |
const char *stage; |
|
2116 |
for ( _pipeline->_stages.reset(); (stage = _pipeline->_stages.iter()) != NULL; ) |
|
2117 |
fprintf(fp_hpp, " stage_%-*s = %d,\n", stagelen, stage, ++stagenum); |
|
2118 |
} |
|
2119 |
||
2120 |
fprintf(fp_hpp, " stage_%-*s = %d\n", stagelen, "count", stagenum); |
|
2121 |
fprintf(fp_hpp, "};\n"); |
|
2122 |
||
2123 |
fprintf(fp_hpp, "\n"); |
|
2124 |
fprintf(fp_hpp, "// Pipeline Resources\n"); |
|
2125 |
fprintf(fp_hpp, "enum machPipelineResources {\n");
|
|
2126 |
int rescount = 0; |
|
2127 |
||
2128 |
if( _pipeline ) {
|
|
2129 |
const char *resource; |
|
2130 |
int reslen = 0; |
|
2131 |
||
2132 |
// Generate a list of resources, and masks |
|
2133 |
for ( _pipeline->_reslist.reset(); (resource = _pipeline->_reslist.iter()) != NULL; ) {
|
|
2134 |
int len = (int)strlen(resource); |
|
2135 |
if (reslen < len) |
|
2136 |
reslen = len; |
|
2137 |
} |
|
2138 |
||
2139 |
for ( _pipeline->_reslist.reset(); (resource = _pipeline->_reslist.iter()) != NULL; ) {
|
|
2140 |
const ResourceForm *resform = _pipeline->_resdict[resource]->is_resource(); |
|
2141 |
int mask = resform->mask(); |
|
2142 |
if ((mask & (mask-1)) == 0) |
|
2143 |
fprintf(fp_hpp, " resource_%-*s = %d,\n", reslen, resource, rescount++); |
|
2144 |
} |
|
2145 |
fprintf(fp_hpp, "\n"); |
|
2146 |
for ( _pipeline->_reslist.reset(); (resource = _pipeline->_reslist.iter()) != NULL; ) {
|
|
2147 |
const ResourceForm *resform = _pipeline->_resdict[resource]->is_resource(); |
|
2148 |
fprintf(fp_hpp, " res_mask_%-*s = 0x%08x,\n", reslen, resource, resform->mask()); |
|
2149 |
} |
|
2150 |
fprintf(fp_hpp, "\n"); |
|
2151 |
} |
|
2152 |
fprintf(fp_hpp, " resource_count = %d\n", rescount); |
|
2153 |
fprintf(fp_hpp, "};\n"); |
|
2154 |
} |