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Side by Side Diff: runtime/vm/constants_ia32.h

Issue 13093005: Revert 12534006 (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 7 years, 9 months ago
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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 #ifndef VM_CONSTANTS_IA32_H_ 5 #ifndef VM_CONSTANTS_IA32_H_
6 #define VM_CONSTANTS_IA32_H_ 6 #define VM_CONSTANTS_IA32_H_
7 7
8 #include "platform/assert.h" 8 #include "platform/assert.h"
9 9
10 namespace dart { 10 namespace dart {
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77 // Dart stack frame layout. 77 // Dart stack frame layout.
78 static const int kLastParamSlotIndex = 2; 78 static const int kLastParamSlotIndex = 2;
79 static const int kFirstLocalSlotIndex = -2; 79 static const int kFirstLocalSlotIndex = -2;
80 80
81 81
82 enum ScaleFactor { 82 enum ScaleFactor {
83 TIMES_1 = 0, 83 TIMES_1 = 0,
84 TIMES_2 = 1, 84 TIMES_2 = 1,
85 TIMES_4 = 2, 85 TIMES_4 = 2,
86 TIMES_8 = 3, 86 TIMES_8 = 3,
87 TIMES_16 = 4,
88 TIMES_HALF_WORD_SIZE = kWordSizeLog2 - 1 87 TIMES_HALF_WORD_SIZE = kWordSizeLog2 - 1
89 }; 88 };
90 89
91 90
92 enum Condition { 91 enum Condition {
93 OVERFLOW = 0, 92 OVERFLOW = 0,
94 NO_OVERFLOW = 1, 93 NO_OVERFLOW = 1,
95 BELOW = 2, 94 BELOW = 2,
96 ABOVE_EQUAL = 3, 95 ABOVE_EQUAL = 3,
97 EQUAL = 4, 96 EQUAL = 4,
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141 }; 140 };
142 141
143 142
144 // The largest multibyte nop we will emit. This could go up to 15 if it 143 // The largest multibyte nop we will emit. This could go up to 15 if it
145 // becomes important to us. 144 // becomes important to us.
146 const int MAX_NOP_SIZE = 8; 145 const int MAX_NOP_SIZE = 8;
147 146
148 } // namespace dart 147 } // namespace dart
149 148
150 #endif // VM_CONSTANTS_IA32_H_ 149 #endif // VM_CONSTANTS_IA32_H_
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