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1 // Copyright 2012 the V8 project authors. All rights reserved.7 | 1 // Copyright 2012 the V8 project authors. All rights reserved.7 |
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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3941 Register name = ToRegister(instr->name()); | 3941 Register name = ToRegister(instr->name()); |
3942 DCHECK(receiver.is(LoadDescriptor::ReceiverRegister())); | 3942 DCHECK(receiver.is(LoadDescriptor::ReceiverRegister())); |
3943 DCHECK(name.is(LoadDescriptor::NameRegister())); | 3943 DCHECK(name.is(LoadDescriptor::NameRegister())); |
3944 DCHECK(receiver.is(a1)); | 3944 DCHECK(receiver.is(a1)); |
3945 DCHECK(name.is(a2)); | 3945 DCHECK(name.is(a2)); |
3946 | 3946 |
3947 Register scratch = t0; | 3947 Register scratch = t0; |
3948 Register extra = t1; | 3948 Register extra = t1; |
3949 Register extra2 = t2; | 3949 Register extra2 = t2; |
3950 Register extra3 = t5; | 3950 Register extra3 = t5; |
3951 #ifdef DEBUG | |
3952 Register slot = FLAG_vector_ics ? ToRegister(instr->slot()) : no_reg; | |
3953 Register vector = FLAG_vector_ics ? ToRegister(instr->vector()) : no_reg; | |
3954 DCHECK(!FLAG_vector_ics || | |
3955 !AreAliased(slot, vector, scratch, extra, extra2, extra3)); | |
3956 #endif | |
3957 | 3951 |
3958 // Important for the tail-call. | 3952 // The probe will tail call to a handler if found. |
3959 bool must_teardown_frame = NeedsEagerFrame(); | 3953 isolate()->stub_cache()->GenerateProbe( |
3960 | 3954 masm(), Code::LOAD_IC, instr->hydrogen()->flags(), false, receiver, name, |
3961 if (!instr->hydrogen()->is_just_miss()) { | 3955 scratch, extra, extra2, extra3); |
3962 DCHECK(!instr->hydrogen()->is_keyed_load()); | |
3963 | |
3964 // The probe will tail call to a handler if found. | |
3965 isolate()->stub_cache()->GenerateProbe( | |
3966 masm(), Code::LOAD_IC, instr->hydrogen()->flags(), must_teardown_frame, | |
3967 receiver, name, scratch, extra, extra2, extra3); | |
3968 } | |
3969 | 3956 |
3970 // Tail call to miss if we ended up here. | 3957 // Tail call to miss if we ended up here. |
3971 if (must_teardown_frame) __ LeaveFrame(StackFrame::INTERNAL); | 3958 LoadIC::GenerateMiss(masm()); |
3972 if (instr->hydrogen()->is_keyed_load()) { | |
3973 KeyedLoadIC::GenerateMiss(masm()); | |
3974 } else { | |
3975 LoadIC::GenerateMiss(masm()); | |
3976 } | |
3977 } | 3959 } |
3978 | 3960 |
3979 | 3961 |
3980 void LCodeGen::DoCallWithDescriptor(LCallWithDescriptor* instr) { | 3962 void LCodeGen::DoCallWithDescriptor(LCallWithDescriptor* instr) { |
3981 DCHECK(ToRegister(instr->result()).is(v0)); | 3963 DCHECK(ToRegister(instr->result()).is(v0)); |
3982 | 3964 |
3983 if (instr->hydrogen()->IsTailCall()) { | 3965 if (instr->hydrogen()->IsTailCall()) { |
3984 if (NeedsEagerFrame()) __ LeaveFrame(StackFrame::INTERNAL); | 3966 if (NeedsEagerFrame()) __ LeaveFrame(StackFrame::INTERNAL); |
3985 | 3967 |
3986 if (instr->target()->IsConstantOperand()) { | 3968 if (instr->target()->IsConstantOperand()) { |
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5981 __ li(at, scope_info); | 5963 __ li(at, scope_info); |
5982 __ Push(at, ToRegister(instr->function())); | 5964 __ Push(at, ToRegister(instr->function())); |
5983 CallRuntime(Runtime::kPushBlockContext, 2, instr); | 5965 CallRuntime(Runtime::kPushBlockContext, 2, instr); |
5984 RecordSafepoint(Safepoint::kNoLazyDeopt); | 5966 RecordSafepoint(Safepoint::kNoLazyDeopt); |
5985 } | 5967 } |
5986 | 5968 |
5987 | 5969 |
5988 #undef __ | 5970 #undef __ |
5989 | 5971 |
5990 } } // namespace v8::internal | 5972 } } // namespace v8::internal |
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