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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_ARM64 | 7 #if V8_TARGET_ARCH_ARM64 |
8 | 8 |
9 #define ARM64_DEFINE_FP_STATICS | 9 #define ARM64_DEFINE_FP_STATICS |
10 | 10 |
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226 } else { | 226 } else { |
227 SetImmLLiteral(target); | 227 SetImmLLiteral(target); |
228 } | 228 } |
229 } | 229 } |
230 | 230 |
231 | 231 |
232 void Instruction::SetPCRelImmTarget(Instruction* target) { | 232 void Instruction::SetPCRelImmTarget(Instruction* target) { |
233 // ADRP is not supported, so 'this' must point to an ADR instruction. | 233 // ADRP is not supported, so 'this' must point to an ADR instruction. |
234 ASSERT(IsAdr()); | 234 ASSERT(IsAdr()); |
235 | 235 |
236 int target_offset = DistanceTo(target); | 236 ptrdiff_t target_offset = DistanceTo(target); |
237 Instr imm; | 237 Instr imm; |
238 if (Instruction::IsValidPCRelOffset(target_offset)) { | 238 if (Instruction::IsValidPCRelOffset(target_offset)) { |
239 imm = Assembler::ImmPCRelAddress(target_offset); | 239 imm = Assembler::ImmPCRelAddress(target_offset); |
240 SetInstructionBits(Mask(~ImmPCRel_mask) | imm); | 240 SetInstructionBits(Mask(~ImmPCRel_mask) | imm); |
241 } else { | 241 } else { |
242 PatchingAssembler patcher(this, | 242 PatchingAssembler patcher(this, |
243 PatchingAssembler::kAdrFarPatchableNInstrs); | 243 PatchingAssembler::kAdrFarPatchableNInstrs); |
244 patcher.PatchAdrFar(target); | 244 patcher.PatchAdrFar(target_offset); |
245 } | 245 } |
246 } | 246 } |
247 | 247 |
248 | 248 |
249 void Instruction::SetBranchImmTarget(Instruction* target) { | 249 void Instruction::SetBranchImmTarget(Instruction* target) { |
250 ASSERT(IsAligned(DistanceTo(target), kInstructionSize)); | 250 ASSERT(IsAligned(DistanceTo(target), kInstructionSize)); |
251 Instr branch_imm = 0; | 251 Instr branch_imm = 0; |
252 uint32_t imm_mask = 0; | 252 uint32_t imm_mask = 0; |
253 ptrdiff_t offset = DistanceTo(target) >> kInstructionSizeLog2; | 253 ptrdiff_t offset = DistanceTo(target) >> kInstructionSizeLog2; |
254 switch (BranchType()) { | 254 switch (BranchType()) { |
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308 uint64_t payload = ImmMoveWide(); | 308 uint64_t payload = ImmMoveWide(); |
309 // TODO(all): If we extend ::InlineData() to support bigger data, we need | 309 // TODO(all): If we extend ::InlineData() to support bigger data, we need |
310 // to update this method too. | 310 // to update this method too. |
311 return payload; | 311 return payload; |
312 } | 312 } |
313 | 313 |
314 | 314 |
315 } } // namespace v8::internal | 315 } } // namespace v8::internal |
316 | 316 |
317 #endif // V8_TARGET_ARCH_ARM64 | 317 #endif // V8_TARGET_ARCH_ARM64 |
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