60 LIR_Opr LIR_Assembler::osrBufferPointer() {
61 return FrameMap::R3_opr;
62 }
63
64
65 // This specifies the stack pointer decrement needed to build the frame.
66 int LIR_Assembler::initial_frame_size_in_bytes() const {
67 return in_bytes(frame_map()->framesize_in_bytes());
68 }
69
70
71 // Inline cache check: the inline cached class is in inline_cache_reg;
72 // we fetch the class of the receiver and compare it with the cached class.
73 // If they do not match we jump to slow case.
74 int LIR_Assembler::check_icache() {
75 int offset = __ offset();
76 __ inline_cache_check(R3_ARG1, R19_inline_cache_reg);
77 return offset;
78 }
79
80
81 void LIR_Assembler::osr_entry() {
82 // On-stack-replacement entry sequence:
83 //
84 // 1. Create a new compiled activation.
85 // 2. Initialize local variables in the compiled activation. The expression
86 // stack must be empty at the osr_bci; it is not initialized.
87 // 3. Jump to the continuation address in compiled code to resume execution.
88
89 // OSR entry point
90 offsets()->set_value(CodeOffsets::OSR_Entry, code_offset());
91 BlockBegin* osr_entry = compilation()->hir()->osr_entry();
92 ValueStack* entry_state = osr_entry->end()->state();
93 int number_of_locks = entry_state->locks_size();
94
95 // Create a frame for the compiled activation.
96 __ build_frame(initial_frame_size_in_bytes(), bang_size_in_bytes());
97
98 // OSR buffer is
99 //
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60 LIR_Opr LIR_Assembler::osrBufferPointer() {
61 return FrameMap::R3_opr;
62 }
63
64
65 // This specifies the stack pointer decrement needed to build the frame.
66 int LIR_Assembler::initial_frame_size_in_bytes() const {
67 return in_bytes(frame_map()->framesize_in_bytes());
68 }
69
70
71 // Inline cache check: the inline cached class is in inline_cache_reg;
72 // we fetch the class of the receiver and compare it with the cached class.
73 // If they do not match we jump to slow case.
74 int LIR_Assembler::check_icache() {
75 int offset = __ offset();
76 __ inline_cache_check(R3_ARG1, R19_inline_cache_reg);
77 return offset;
78 }
79
80 void LIR_Assembler::clinit_barrier(ciMethod* method) {
81 ShouldNotReachHere(); // not implemented
82 }
83
84 void LIR_Assembler::osr_entry() {
85 // On-stack-replacement entry sequence:
86 //
87 // 1. Create a new compiled activation.
88 // 2. Initialize local variables in the compiled activation. The expression
89 // stack must be empty at the osr_bci; it is not initialized.
90 // 3. Jump to the continuation address in compiled code to resume execution.
91
92 // OSR entry point
93 offsets()->set_value(CodeOffsets::OSR_Entry, code_offset());
94 BlockBegin* osr_entry = compilation()->hir()->osr_entry();
95 ValueStack* entry_state = osr_entry->end()->state();
96 int number_of_locks = entry_state->locks_size();
97
98 // Create a frame for the compiled activation.
99 __ build_frame(initial_frame_size_in_bytes(), bang_size_in_bytes());
100
101 // OSR buffer is
102 //
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