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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_ASSEMBLER_IA32_H_ | 5 #ifndef VM_ASSEMBLER_IA32_H_ |
6 #define VM_ASSEMBLER_IA32_H_ | 6 #define VM_ASSEMBLER_IA32_H_ |
7 | 7 |
8 #ifndef VM_ASSEMBLER_H_ | 8 #ifndef VM_ASSEMBLER_H_ |
9 #error Do not include assembler_ia32.h directly; use assembler.h instead. | 9 #error Do not include assembler_ia32.h directly; use assembler.h instead. |
10 #endif | 10 #endif |
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300 static bool sse2_supported_; | 300 static bool sse2_supported_; |
301 static bool sse4_1_supported_; | 301 static bool sse4_1_supported_; |
302 #ifdef DEBUG | 302 #ifdef DEBUG |
303 static bool initialized_; | 303 static bool initialized_; |
304 #endif | 304 #endif |
305 }; | 305 }; |
306 | 306 |
307 | 307 |
308 class Assembler : public ValueObject { | 308 class Assembler : public ValueObject { |
309 public: | 309 public: |
310 Assembler() | 310 explicit Assembler(bool use_far_branches = false) |
311 : buffer_(), | 311 : buffer_(), |
312 object_pool_(GrowableObjectArray::Handle()), | 312 object_pool_(GrowableObjectArray::Handle()), |
313 prologue_offset_(-1), | 313 prologue_offset_(-1), |
314 comments_() { } | 314 comments_() { |
| 315 // This mode is only needed and implemented for MIPS and ARM. |
| 316 ASSERT(!use_far_branches); |
| 317 } |
315 ~Assembler() { } | 318 ~Assembler() { } |
316 | 319 |
317 static const bool kNearJump = true; | 320 static const bool kNearJump = true; |
318 static const bool kFarJump = false; | 321 static const bool kFarJump = false; |
319 | 322 |
320 /* | 323 /* |
321 * Emit Machine Instructions. | 324 * Emit Machine Instructions. |
322 */ | 325 */ |
323 void call(Register reg); | 326 void call(Register reg); |
324 void call(const Address& address); | 327 void call(const Address& address); |
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853 } | 856 } |
854 | 857 |
855 | 858 |
856 inline void Assembler::EmitOperandSizeOverride() { | 859 inline void Assembler::EmitOperandSizeOverride() { |
857 EmitUint8(0x66); | 860 EmitUint8(0x66); |
858 } | 861 } |
859 | 862 |
860 } // namespace dart | 863 } // namespace dart |
861 | 864 |
862 #endif // VM_ASSEMBLER_IA32_H_ | 865 #endif // VM_ASSEMBLER_IA32_H_ |
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