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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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 <limits.h> // For LONG_MIN, LONG_MAX. | 5 #include <limits.h> // For LONG_MIN, LONG_MAX. |
6 | 6 |
7 #include "src/v8.h" | 7 #include "src/v8.h" |
8 | 8 |
9 #if V8_TARGET_ARCH_MIPS64 | 9 #if V8_TARGET_ARCH_MIPS64 |
10 | 10 |
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3100 | 3100 |
3101 | 3101 |
3102 void MacroAssembler::Ret(Condition cond, | 3102 void MacroAssembler::Ret(Condition cond, |
3103 Register rs, | 3103 Register rs, |
3104 const Operand& rt, | 3104 const Operand& rt, |
3105 BranchDelaySlot bd) { | 3105 BranchDelaySlot bd) { |
3106 Jump(ra, cond, rs, rt, bd); | 3106 Jump(ra, cond, rs, rt, bd); |
3107 } | 3107 } |
3108 | 3108 |
3109 | 3109 |
3110 void MacroAssembler::J(Label* L, BranchDelaySlot bdslot) { | |
3111 BlockTrampolinePoolScope block_trampoline_pool(this); | |
3112 | |
3113 uint64_t imm28; | |
3114 imm28 = jump_address(L); | |
3115 imm28 &= kImm28Mask; | |
3116 { BlockGrowBufferScope block_buf_growth(this); | |
3117 // Buffer growth (and relocation) must be blocked for internal references | |
3118 // until associated instructions are emitted and available to be patched. | |
3119 RecordRelocInfo(RelocInfo::INTERNAL_REFERENCE_ENCODED); | |
3120 j(imm28); | |
3121 } | |
3122 // Emit a nop in the branch delay slot if required. | |
3123 if (bdslot == PROTECT) | |
3124 nop(); | |
3125 } | |
3126 | |
3127 | |
3128 void MacroAssembler::Jr(Label* L, BranchDelaySlot bdslot) { | 3110 void MacroAssembler::Jr(Label* L, BranchDelaySlot bdslot) { |
3129 BlockTrampolinePoolScope block_trampoline_pool(this); | 3111 BlockTrampolinePoolScope block_trampoline_pool(this); |
3130 | 3112 |
3131 uint64_t imm64; | 3113 uint64_t imm64; |
3132 imm64 = jump_address(L); | 3114 imm64 = jump_address(L); |
3133 { BlockGrowBufferScope block_buf_growth(this); | 3115 { BlockGrowBufferScope block_buf_growth(this); |
3134 // Buffer growth (and relocation) must be blocked for internal references | 3116 // Buffer growth (and relocation) must be blocked for internal references |
3135 // until associated instructions are emitted and available to be patched. | 3117 // until associated instructions are emitted and available to be patched. |
3136 RecordRelocInfo(RelocInfo::INTERNAL_REFERENCE_ENCODED); | 3118 RecordRelocInfo(RelocInfo::INTERNAL_REFERENCE_ENCODED); |
3137 li(at, Operand(imm64), ADDRESS_LOAD); | 3119 li(at, Operand(imm64), ADDRESS_LOAD); |
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6131 } | 6113 } |
6132 if (mag.shift > 0) sra(result, result, mag.shift); | 6114 if (mag.shift > 0) sra(result, result, mag.shift); |
6133 srl(at, dividend, 31); | 6115 srl(at, dividend, 31); |
6134 Addu(result, result, Operand(at)); | 6116 Addu(result, result, Operand(at)); |
6135 } | 6117 } |
6136 | 6118 |
6137 | 6119 |
6138 } } // namespace v8::internal | 6120 } } // namespace v8::internal |
6139 | 6121 |
6140 #endif // V8_TARGET_ARCH_MIPS64 | 6122 #endif // V8_TARGET_ARCH_MIPS64 |
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