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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 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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538 } else { | 538 } else { |
539 CallRuntime(Runtime::kAbort, 1); | 539 CallRuntime(Runtime::kAbort, 1); |
540 } | 540 } |
541 // Control will not return here. | 541 // Control will not return here. |
542 int3(); | 542 int3(); |
543 } | 543 } |
544 | 544 |
545 | 545 |
546 void MacroAssembler::CallStub(CodeStub* stub, TypeFeedbackId ast_id) { | 546 void MacroAssembler::CallStub(CodeStub* stub, TypeFeedbackId ast_id) { |
547 ASSERT(AllowThisStubCall(stub)); // Calls are not allowed in some stubs | 547 ASSERT(AllowThisStubCall(stub)); // Calls are not allowed in some stubs |
548 Call(stub->GetCode(isolate()), RelocInfo::CODE_TARGET, ast_id); | 548 Call(stub->GetCode(), RelocInfo::CODE_TARGET, ast_id); |
549 } | 549 } |
550 | 550 |
551 | 551 |
552 void MacroAssembler::TailCallStub(CodeStub* stub) { | 552 void MacroAssembler::TailCallStub(CodeStub* stub) { |
553 Jump(stub->GetCode(isolate()), RelocInfo::CODE_TARGET); | 553 Jump(stub->GetCode(), RelocInfo::CODE_TARGET); |
554 } | 554 } |
555 | 555 |
556 | 556 |
557 void MacroAssembler::StubReturn(int argc) { | 557 void MacroAssembler::StubReturn(int argc) { |
558 ASSERT(argc >= 1 && generating_stub()); | 558 ASSERT(argc >= 1 && generating_stub()); |
559 ret((argc - 1) * kPointerSize); | 559 ret((argc - 1) * kPointerSize); |
560 } | 560 } |
561 | 561 |
562 | 562 |
563 bool MacroAssembler::AllowThisStubCall(CodeStub* stub) { | 563 bool MacroAssembler::AllowThisStubCall(CodeStub* stub) { |
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822 movp(rax, prev_limit_reg); | 822 movp(rax, prev_limit_reg); |
823 jmp(&leave_exit_frame); | 823 jmp(&leave_exit_frame); |
824 } | 824 } |
825 | 825 |
826 | 826 |
827 void MacroAssembler::JumpToExternalReference(const ExternalReference& ext, | 827 void MacroAssembler::JumpToExternalReference(const ExternalReference& ext, |
828 int result_size) { | 828 int result_size) { |
829 // Set the entry point and jump to the C entry runtime stub. | 829 // Set the entry point and jump to the C entry runtime stub. |
830 LoadAddress(rbx, ext); | 830 LoadAddress(rbx, ext); |
831 CEntryStub ces(isolate(), result_size); | 831 CEntryStub ces(isolate(), result_size); |
832 jmp(ces.GetCode(isolate()), RelocInfo::CODE_TARGET); | 832 jmp(ces.GetCode(), RelocInfo::CODE_TARGET); |
833 } | 833 } |
834 | 834 |
835 | 835 |
836 void MacroAssembler::InvokeBuiltin(Builtins::JavaScript id, | 836 void MacroAssembler::InvokeBuiltin(Builtins::JavaScript id, |
837 InvokeFlag flag, | 837 InvokeFlag flag, |
838 const CallWrapper& call_wrapper) { | 838 const CallWrapper& call_wrapper) { |
839 // You can't call a builtin without a valid frame. | 839 // You can't call a builtin without a valid frame. |
840 ASSERT(flag == JUMP_FUNCTION || has_frame()); | 840 ASSERT(flag == JUMP_FUNCTION || has_frame()); |
841 | 841 |
842 // Rely on the assertion to check that the number of provided | 842 // Rely on the assertion to check that the number of provided |
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3297 Assert(below_equal, kInputGPRIsExpectedToHaveUpper32Cleared); | 3297 Assert(below_equal, kInputGPRIsExpectedToHaveUpper32Cleared); |
3298 } | 3298 } |
3299 cvtqsi2sd(dst, src); | 3299 cvtqsi2sd(dst, src); |
3300 } | 3300 } |
3301 | 3301 |
3302 | 3302 |
3303 void MacroAssembler::SlowTruncateToI(Register result_reg, | 3303 void MacroAssembler::SlowTruncateToI(Register result_reg, |
3304 Register input_reg, | 3304 Register input_reg, |
3305 int offset) { | 3305 int offset) { |
3306 DoubleToIStub stub(isolate(), input_reg, result_reg, offset, true); | 3306 DoubleToIStub stub(isolate(), input_reg, result_reg, offset, true); |
3307 call(stub.GetCode(isolate()), RelocInfo::CODE_TARGET); | 3307 call(stub.GetCode(), RelocInfo::CODE_TARGET); |
3308 } | 3308 } |
3309 | 3309 |
3310 | 3310 |
3311 void MacroAssembler::TruncateHeapNumberToI(Register result_reg, | 3311 void MacroAssembler::TruncateHeapNumberToI(Register result_reg, |
3312 Register input_reg) { | 3312 Register input_reg) { |
3313 Label done; | 3313 Label done; |
3314 movsd(xmm0, FieldOperand(input_reg, HeapNumber::kValueOffset)); | 3314 movsd(xmm0, FieldOperand(input_reg, HeapNumber::kValueOffset)); |
3315 cvttsd2siq(result_reg, xmm0); | 3315 cvttsd2siq(result_reg, xmm0); |
3316 cmpq(result_reg, Immediate(1)); | 3316 cmpq(result_reg, Immediate(1)); |
3317 j(no_overflow, &done, Label::kNear); | 3317 j(no_overflow, &done, Label::kNear); |
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3691 } | 3691 } |
3692 } | 3692 } |
3693 | 3693 |
3694 | 3694 |
3695 #ifdef ENABLE_DEBUGGER_SUPPORT | 3695 #ifdef ENABLE_DEBUGGER_SUPPORT |
3696 void MacroAssembler::DebugBreak() { | 3696 void MacroAssembler::DebugBreak() { |
3697 Set(rax, 0); // No arguments. | 3697 Set(rax, 0); // No arguments. |
3698 LoadAddress(rbx, ExternalReference(Runtime::kDebugBreak, isolate())); | 3698 LoadAddress(rbx, ExternalReference(Runtime::kDebugBreak, isolate())); |
3699 CEntryStub ces(isolate(), 1); | 3699 CEntryStub ces(isolate(), 1); |
3700 ASSERT(AllowThisStubCall(&ces)); | 3700 ASSERT(AllowThisStubCall(&ces)); |
3701 Call(ces.GetCode(isolate()), RelocInfo::DEBUG_BREAK); | 3701 Call(ces.GetCode(), RelocInfo::DEBUG_BREAK); |
3702 } | 3702 } |
3703 #endif // ENABLE_DEBUGGER_SUPPORT | 3703 #endif // ENABLE_DEBUGGER_SUPPORT |
3704 | 3704 |
3705 | 3705 |
3706 void MacroAssembler::InvokeCode(Register code, | 3706 void MacroAssembler::InvokeCode(Register code, |
3707 const ParameterCount& expected, | 3707 const ParameterCount& expected, |
3708 const ParameterCount& actual, | 3708 const ParameterCount& actual, |
3709 InvokeFlag flag, | 3709 InvokeFlag flag, |
3710 const CallWrapper& call_wrapper) { | 3710 const CallWrapper& call_wrapper) { |
3711 // You can't call a function without a valid frame. | 3711 // You can't call a function without a valid frame. |
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5204 if (ms.shift() > 0) sarl(rdx, Immediate(ms.shift())); | 5204 if (ms.shift() > 0) sarl(rdx, Immediate(ms.shift())); |
5205 movl(rax, dividend); | 5205 movl(rax, dividend); |
5206 shrl(rax, Immediate(31)); | 5206 shrl(rax, Immediate(31)); |
5207 addl(rdx, rax); | 5207 addl(rdx, rax); |
5208 } | 5208 } |
5209 | 5209 |
5210 | 5210 |
5211 } } // namespace v8::internal | 5211 } } // namespace v8::internal |
5212 | 5212 |
5213 #endif // V8_TARGET_ARCH_X64 | 5213 #endif // V8_TARGET_ARCH_X64 |
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