Mercurial > hg > truffle
annotate src/share/vm/c1/c1_ValueType.cpp @ 1584:b812ff5abc73
6958292: C1: Enable parallel compilation
Summary: Enable parallel compilation in C1
Reviewed-by: never, kvn
| author | iveresov |
|---|---|
| date | Fri, 04 Jun 2010 11:18:04 -0700 |
| parents | c18cbe5936b8 |
| children | f95d63e2154a |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
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2 * Copyright (c) 1999, 2005, Oracle and/or its affiliates. All rights reserved. |
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| 5 * This code is free software; you can redistribute it and/or modify it | |
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| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
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| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 # include "incls/_precompiled.incl" | |
| 26 # include "incls/_c1_ValueType.cpp.incl" | |
| 27 | |
| 28 | |
| 29 // predefined types | |
| 30 VoidType* voidType = NULL; | |
| 31 IntType* intType = NULL; | |
| 32 LongType* longType = NULL; | |
| 33 FloatType* floatType = NULL; | |
| 34 DoubleType* doubleType = NULL; | |
| 35 ObjectType* objectType = NULL; | |
| 36 ArrayType* arrayType = NULL; | |
| 37 InstanceType* instanceType = NULL; | |
| 38 ClassType* classType = NULL; | |
| 39 AddressType* addressType = NULL; | |
| 40 IllegalType* illegalType = NULL; | |
| 41 | |
| 42 | |
| 43 // predefined constants | |
| 44 IntConstant* intZero = NULL; | |
| 45 IntConstant* intOne = NULL; | |
| 46 ObjectConstant* objectNull = NULL; | |
| 47 | |
| 48 | |
| 1584 | 49 void ValueType::initialize(Arena* arena) { |
| 0 | 50 // Note: Must initialize all types for each compilation |
| 51 // as they are allocated within a ResourceMark! | |
| 52 | |
| 53 // types | |
| 1584 | 54 voidType = new (arena) VoidType(); |
| 55 intType = new (arena) IntType(); | |
| 56 longType = new (arena) LongType(); | |
| 57 floatType = new (arena) FloatType(); | |
| 58 doubleType = new (arena) DoubleType(); | |
| 59 objectType = new (arena) ObjectType(); | |
| 60 arrayType = new (arena) ArrayType(); | |
| 61 instanceType = new (arena) InstanceType(); | |
| 62 classType = new (arena) ClassType(); | |
| 63 addressType = new (arena) AddressType(); | |
| 64 illegalType = new (arena) IllegalType(); | |
| 0 | 65 |
| 1584 | 66 intZero = new (arena) IntConstant(0); |
| 67 intOne = new (arena) IntConstant(1); | |
| 68 objectNull = new (arena) ObjectConstant(ciNullObject::make()); | |
| 0 | 69 }; |
| 70 | |
| 71 | |
| 72 ValueType* ValueType::meet(ValueType* y) const { | |
| 73 // incomplete & conservative solution for now - fix this! | |
| 74 assert(tag() == y->tag(), "types must match"); | |
| 75 return base(); | |
| 76 } | |
| 77 | |
| 78 | |
| 79 ValueType* ValueType::join(ValueType* y) const { | |
| 80 Unimplemented(); | |
| 81 return NULL; | |
| 82 } | |
| 83 | |
| 84 | |
| 85 | |
| 86 jobject ObjectType::encoding() const { | |
| 87 assert(is_constant(), "must be"); | |
| 989 | 88 return constant_value()->constant_encoding(); |
| 0 | 89 } |
| 90 | |
| 91 bool ObjectType::is_loaded() const { | |
| 92 assert(is_constant(), "must be"); | |
| 93 return constant_value()->is_loaded(); | |
| 94 } | |
| 95 | |
| 96 ciObject* ObjectConstant::constant_value() const { return _value; } | |
| 97 ciObject* ArrayConstant::constant_value() const { return _value; } | |
| 98 ciObject* InstanceConstant::constant_value() const { return _value; } | |
| 99 ciObject* ClassConstant::constant_value() const { return _value; } | |
| 100 | |
| 101 | |
| 102 ValueType* as_ValueType(BasicType type) { | |
| 103 switch (type) { | |
| 104 case T_VOID : return voidType; | |
| 105 case T_BYTE : // fall through | |
| 106 case T_CHAR : // fall through | |
| 107 case T_SHORT : // fall through | |
| 108 case T_BOOLEAN: // fall through | |
| 109 case T_INT : return intType; | |
| 110 case T_LONG : return longType; | |
| 111 case T_FLOAT : return floatType; | |
| 112 case T_DOUBLE : return doubleType; | |
| 113 case T_ARRAY : return arrayType; | |
| 114 case T_OBJECT : return objectType; | |
| 115 case T_ADDRESS: return addressType; | |
| 116 case T_ILLEGAL: return illegalType; | |
| 117 } | |
| 118 ShouldNotReachHere(); | |
| 119 return illegalType; | |
| 120 } | |
| 121 | |
| 122 | |
| 123 ValueType* as_ValueType(ciConstant value) { | |
| 124 switch (value.basic_type()) { | |
| 125 case T_BYTE : // fall through | |
| 126 case T_CHAR : // fall through | |
| 127 case T_SHORT : // fall through | |
| 128 case T_BOOLEAN: // fall through | |
| 129 case T_INT : return new IntConstant (value.as_int ()); | |
| 130 case T_LONG : return new LongConstant (value.as_long ()); | |
| 131 case T_FLOAT : return new FloatConstant (value.as_float ()); | |
| 132 case T_DOUBLE : return new DoubleConstant(value.as_double()); | |
| 133 case T_ARRAY : // fall through (ciConstant doesn't have an array accessor) | |
| 134 case T_OBJECT : return new ObjectConstant(value.as_object()); | |
| 135 } | |
| 136 ShouldNotReachHere(); | |
| 137 return illegalType; | |
| 138 } | |
| 139 | |
| 140 | |
| 141 BasicType as_BasicType(ValueType* type) { | |
| 142 switch (type->tag()) { | |
| 143 case voidTag: return T_VOID; | |
| 144 case intTag: return T_INT; | |
| 145 case longTag: return T_LONG; | |
| 146 case floatTag: return T_FLOAT; | |
| 147 case doubleTag: return T_DOUBLE; | |
| 148 case objectTag: return T_OBJECT; | |
| 149 case addressTag: return T_ADDRESS; | |
| 150 case illegalTag: return T_ILLEGAL; | |
| 151 } | |
| 152 ShouldNotReachHere(); | |
| 153 return T_ILLEGAL; | |
| 154 } |