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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_X64_H_ | 5 #ifndef VM_ASSEMBLER_X64_H_ |
6 #define VM_ASSEMBLER_X64_H_ | 6 #define VM_ASSEMBLER_X64_H_ |
7 | 7 |
8 #ifndef VM_ASSEMBLER_H_ | 8 #ifndef VM_ASSEMBLER_H_ |
9 #error Do not include assembler_x64.h directly; use assembler.h instead. | 9 #error Do not include assembler_x64.h directly; use assembler.h instead. |
10 #endif | 10 #endif |
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314 | 314 |
315 static bool sse4_1_supported_; | 315 static bool sse4_1_supported_; |
316 #ifdef DEBUG | 316 #ifdef DEBUG |
317 static bool initialized_; | 317 static bool initialized_; |
318 #endif | 318 #endif |
319 }; | 319 }; |
320 | 320 |
321 | 321 |
322 class Assembler : public ValueObject { | 322 class Assembler : public ValueObject { |
323 public: | 323 public: |
324 Assembler() | 324 explicit Assembler(bool use_far_branches = false) |
325 : buffer_(), | 325 : buffer_(), |
326 object_pool_(GrowableObjectArray::Handle()), | 326 object_pool_(GrowableObjectArray::Handle()), |
327 prologue_offset_(-1), | 327 prologue_offset_(-1), |
328 comments_() { } | 328 comments_() { |
| 329 // This mode is only needed and implemented for MIPS and ARM. |
| 330 ASSERT(!use_far_branches); |
| 331 } |
329 ~Assembler() { } | 332 ~Assembler() { } |
330 | 333 |
331 static const bool kNearJump = true; | 334 static const bool kNearJump = true; |
332 static const bool kFarJump = false; | 335 static const bool kFarJump = false; |
333 | 336 |
334 /* | 337 /* |
335 * Emit Machine Instructions. | 338 * Emit Machine Instructions. |
336 */ | 339 */ |
337 void call(Register reg); | 340 void call(Register reg); |
338 void call(const Address& address); | 341 void call(const Address& address); |
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932 } | 935 } |
933 | 936 |
934 | 937 |
935 inline void Assembler::EmitOperandSizeOverride() { | 938 inline void Assembler::EmitOperandSizeOverride() { |
936 EmitUint8(0x66); | 939 EmitUint8(0x66); |
937 } | 940 } |
938 | 941 |
939 } // namespace dart | 942 } // namespace dart |
940 | 943 |
941 #endif // VM_ASSEMBLER_X64_H_ | 944 #endif // VM_ASSEMBLER_X64_H_ |
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