2380N/A

2380N/Aclass Compilation;

2380N/Aclass ScopeValue;

2380N/Aclass BarrierSet;

2380N/A

2380N/Aclass LIR_Assembler: public CompilationResourceObj {

2380N/A private:

2380N/A C1_MacroAssembler* _masm;

2380N/A CodeStubList* _slow_case_stubs;

2380N/A BarrierSet* _bs;

2380N/A

2380N/A Compilation* _compilation;

2380N/A FrameMap* _frame_map;

2380N/A BlockBegin* _current_block;

2380N/A

2380N/A Instruction* _pending_non_safepoint;

2380N/A int _pending_non_safepoint_offset;

2380N/A

2380N/A Label _unwind_handler_entry;

2380N/A

2380N/A#ifdef ASSERT

2380N/A BlockList _branch_target_blocks;

2380N/A void check_no_unbound_labels();

2380N/A#endif

2380N/A

2380N/A FrameMap* frame_map() const { return _frame_map; }

2380N/A

2380N/A void set_current_block(BlockBegin* b) { _current_block = b; }

2380N/A BlockBegin* current_block() const { return _current_block; }

2380N/A

2380N/A // non-safepoint debug info management

2380N/A void flush_debug_info(int before_pc_offset) {

2380N/A if (_pending_non_safepoint != NULL) {

2380N/A if (_pending_non_safepoint_offset < before_pc_offset)

2380N/A record_non_safepoint_debug_info();

2380N/A _pending_non_safepoint = NULL;

}

}

void process_debug_info(LIR_Op* op);

void record_non_safepoint_debug_info();

// unified bailout support

void bailout(const char* msg) const { compilation()->bailout(msg); }

bool bailed_out() const { return compilation()->bailed_out(); }

// code emission patterns and accessors

void check_codespace();

bool needs_icache(ciMethod* method) const;

// returns offset of icache check

int check_icache();

void jobject2reg(jobject o, Register reg);

void jobject2reg_with_patching(Register reg, CodeEmitInfo* info);

void emit_stubs(CodeStubList* stub_list);

// addresses

Address as_Address(LIR_Address* addr);

Address as_Address_lo(LIR_Address* addr);

Address as_Address_hi(LIR_Address* addr);

// debug information

void add_call_info(int pc_offset, CodeEmitInfo* cinfo);

void add_debug_info_for_branch(CodeEmitInfo* info);

void add_debug_info_for_div0(int pc_offset, CodeEmitInfo* cinfo);

void add_debug_info_for_div0_here(CodeEmitInfo* info);

void add_debug_info_for_null_check(int pc_offset, CodeEmitInfo* cinfo);

void add_debug_info_for_null_check_here(CodeEmitInfo* info);

void set_24bit_FPU();

void reset_FPU();

void fpop();

void fxch(int i);

void fld(int i);

void ffree(int i);

void breakpoint();

void push(LIR_Opr opr);

void pop(LIR_Opr opr);

// patching

void append_patching_stub(PatchingStub* stub);

void patching_epilog(PatchingStub* patch, LIR_PatchCode patch_code, Register obj, CodeEmitInfo* info);

void comp_op(LIR_Condition condition, LIR_Opr src, LIR_Opr result, LIR_Op2* op);

public:

LIR_Assembler(Compilation* c);

~LIR_Assembler();

C1_MacroAssembler* masm() const { return _masm; }

Compilation* compilation() const { return _compilation; }

ciMethod* method() const { return compilation()->method(); }

CodeOffsets* offsets() const { return _compilation->offsets(); }

int code_offset() const;

address pc() const;

int initial_frame_size_in_bytes();

// test for constants which can be encoded directly in instructions

static bool is_small_constant(LIR_Opr opr);

static LIR_Opr receiverOpr();

static LIR_Opr incomingReceiverOpr();

static LIR_Opr osrBufferPointer();

// stubs

void emit_slow_case_stubs();

void emit_static_call_stub();

void emit_code_stub(CodeStub* op);

void add_call_info_here(CodeEmitInfo* info) { add_call_info(code_offset(), info); }

// code patterns

int emit_exception_handler();

int emit_unwind_handler();

void emit_exception_entries(ExceptionInfoList* info_list);

int emit_deopt_handler();

void emit_code(BlockList* hir);

void emit_block(BlockBegin* block);

void emit_lir_list(LIR_List* list);

// any last minute peephole optimizations are performed here. In

// particular sparc uses this for delay slot filling.

void peephole(LIR_List* list);

void emit_string_compare(LIR_Opr left, LIR_Opr right, LIR_Opr dst, CodeEmitInfo* info);

void return_op(LIR_Opr result);

// returns offset of poll instruction

int safepoint_poll(LIR_Opr result, CodeEmitInfo* info);

void const2reg (LIR_Opr src, LIR_Opr dest, LIR_PatchCode patch_code, CodeEmitInfo* info);

void const2stack(LIR_Opr src, LIR_Opr dest);

void const2mem (LIR_Opr src, LIR_Opr dest, BasicType type, CodeEmitInfo* info);

void reg2stack (LIR_Opr src, LIR_Opr dest, BasicType type, bool pop_fpu_stack);

void reg2reg (LIR_Opr src, LIR_Opr dest);

void reg2mem (LIR_Opr src, LIR_Opr dest, BasicType type, LIR_PatchCode patch_code, CodeEmitInfo* info, bool pop_fpu_stack, bool unaligned);

void stack2reg (LIR_Opr src, LIR_Opr dest, BasicType type);

void stack2stack(LIR_Opr src, LIR_Opr dest, BasicType type);

void mem2reg (LIR_Opr src, LIR_Opr dest, BasicType type,

LIR_PatchCode patch_code = lir_patch_none,

CodeEmitInfo* info = NULL, bool unaligned = false);

void prefetchr (LIR_Opr src);

void prefetchw (LIR_Opr src);

void shift_op(LIR_Code code, LIR_Opr left, LIR_Opr count, LIR_Opr dest, LIR_Opr tmp);

void shift_op(LIR_Code code, LIR_Opr left, jint count, LIR_Opr dest);

void move_regs(Register from_reg, Register to_reg);

void swap_reg(Register a, Register b);

void emit_op0(LIR_Op0* op);

void emit_op1(LIR_Op1* op);

void emit_op2(LIR_Op2* op);

void emit_op3(LIR_Op3* op);

void emit_opBranch(LIR_OpBranch* op);

void emit_opLabel(LIR_OpLabel* op);

void emit_arraycopy(LIR_OpArrayCopy* op);

void emit_opConvert(LIR_OpConvert* op);

void emit_alloc_obj(LIR_OpAllocObj* op);

void emit_alloc_array(LIR_OpAllocArray* op);

void emit_opTypeCheck(LIR_OpTypeCheck* op);

void emit_typecheck_helper(LIR_OpTypeCheck *op, Label* success, Label* failure, Label* obj_is_null);

void emit_compare_and_swap(LIR_OpCompareAndSwap* op);

void emit_lock(LIR_OpLock* op);

void emit_call(LIR_OpJavaCall* op);

void emit_rtcall(LIR_OpRTCall* op);

void emit_profile_call(LIR_OpProfileCall* op);

void emit_delay(LIR_OpDelay* op);

void arith_op(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr dest, CodeEmitInfo* info, bool pop_fpu_stack);

void arithmetic_idiv(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr temp, LIR_Opr result, CodeEmitInfo* info);

void intrinsic_op(LIR_Code code, LIR_Opr value, LIR_Opr unused, LIR_Opr dest, LIR_Op* op);

void logic_op(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr dest);

void roundfp_op(LIR_Opr src, LIR_Opr tmp, LIR_Opr dest, bool pop_fpu_stack);

void move_op(LIR_Opr src, LIR_Opr result, BasicType type,

LIR_PatchCode patch_code, CodeEmitInfo* info, bool pop_fpu_stack, bool unaligned);

void volatile_move_op(LIR_Opr src, LIR_Opr result, BasicType type, CodeEmitInfo* info);

void comp_mem_op(LIR_Opr src, LIR_Opr result, BasicType type, CodeEmitInfo* info); // info set for null exceptions

void comp_fl2i(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr result, LIR_Op2* op);

void cmove(LIR_Condition code, LIR_Opr left, LIR_Opr right, LIR_Opr result);

void call( LIR_OpJavaCall* op, relocInfo::relocType rtype);

void ic_call( LIR_OpJavaCall* op);

void vtable_call( LIR_OpJavaCall* op);

void osr_entry();

void build_frame();

void throw_op(LIR_Opr exceptionPC, LIR_Opr exceptionOop, CodeEmitInfo* info);

void unwind_op(LIR_Opr exceptionOop);

void monitor_address(int monitor_ix, LIR_Opr dst);

void align_backward_branch_target();

void align_call(LIR_Code code);

void negate(LIR_Opr left, LIR_Opr dest);

void leal(LIR_Opr left, LIR_Opr dest);

void rt_call(LIR_Opr result, address dest, const LIR_OprList* args, LIR_Opr tmp, CodeEmitInfo* info);

void membar();

void membar_acquire();

void membar_release();

void get_thread(LIR_Opr result);

void verify_oop_map(CodeEmitInfo* info);

#include "incls/_c1_LIRAssembler_pd.hpp.incl"

};