14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_C1_C1_LIRASSEMBLER_HPP
26 #define SHARE_C1_C1_LIRASSEMBLER_HPP
27
28 #include "c1/c1_CodeStubs.hpp"
29 #include "ci/ciMethodData.hpp"
30 #include "oops/methodData.hpp"
31 #include "utilities/macros.hpp"
32
33 class Compilation;
34 class ScopeValue;
35 class BarrierSet;
36
37 class LIR_Assembler: public CompilationResourceObj {
38 private:
39 C1_MacroAssembler* _masm;
40 CodeStubList* _slow_case_stubs;
41 BarrierSet* _bs;
42
43 Compilation* _compilation;
44 FrameMap* _frame_map;
45 BlockBegin* _current_block;
46
47 Instruction* _pending_non_safepoint;
48 int _pending_non_safepoint_offset;
49
50 Label _unwind_handler_entry;
51
52 #ifdef ASSERT
53 BlockList _branch_target_blocks;
54 void check_no_unbound_labels();
55 #endif
56
57 FrameMap* frame_map() const { return _frame_map; }
58
59 void set_current_block(BlockBegin* b) { _current_block = b; }
60 BlockBegin* current_block() const { return _current_block; }
61
62 // non-safepoint debug info management
63 void flush_debug_info(int before_pc_offset) {
64 if (_pending_non_safepoint != NULL) {
65 if (_pending_non_safepoint_offset < before_pc_offset)
66 record_non_safepoint_debug_info();
67 _pending_non_safepoint = NULL;
68 }
69 }
70 void process_debug_info(LIR_Op* op);
75 bool bailed_out() const { return compilation()->bailed_out(); }
76
77 // code emission patterns and accessors
78 void check_codespace();
79 bool needs_icache(ciMethod* method) const;
80
81 // returns offset of icache check
82 int check_icache();
83
84 bool needs_clinit_barrier_on_entry(ciMethod* method) const;
85 void clinit_barrier(ciMethod* method);
86
87 void jobject2reg(jobject o, Register reg);
88 void jobject2reg_with_patching(Register reg, CodeEmitInfo* info);
89
90 void metadata2reg(Metadata* o, Register reg);
91 void klass2reg_with_patching(Register reg, CodeEmitInfo* info);
92
93 void emit_stubs(CodeStubList* stub_list);
94
95 // addresses
96 Address as_Address(LIR_Address* addr);
97 Address as_Address_lo(LIR_Address* addr);
98 Address as_Address_hi(LIR_Address* addr);
99
100 // debug information
101 void add_call_info(int pc_offset, CodeEmitInfo* cinfo);
102 void add_debug_info_for_branch(CodeEmitInfo* info);
103 void add_debug_info_for_div0(int pc_offset, CodeEmitInfo* cinfo);
104 void add_debug_info_for_div0_here(CodeEmitInfo* info);
105 ImplicitNullCheckStub* add_debug_info_for_null_check(int pc_offset, CodeEmitInfo* cinfo);
106 ImplicitNullCheckStub* add_debug_info_for_null_check_here(CodeEmitInfo* info);
107
108 void set_24bit_FPU();
109 void reset_FPU();
110 void fpop();
111 void fxch(int i);
112 void fld(int i);
113 void ffree(int i);
114
115 void breakpoint();
116 void push(LIR_Opr opr);
117 void pop(LIR_Opr opr);
118
119 // patching
120 void append_patching_stub(PatchingStub* stub);
121 void patching_epilog(PatchingStub* patch, LIR_PatchCode patch_code, Register obj, CodeEmitInfo* info);
184 CodeEmitInfo* info, bool wide, bool unaligned);
185
186 void shift_op(LIR_Code code, LIR_Opr left, LIR_Opr count, LIR_Opr dest, LIR_Opr tmp);
187 void shift_op(LIR_Code code, LIR_Opr left, jint count, LIR_Opr dest);
188
189 void move_regs(Register from_reg, Register to_reg);
190 void swap_reg(Register a, Register b);
191
192 void emit_op0(LIR_Op0* op);
193 void emit_op1(LIR_Op1* op);
194 void emit_op2(LIR_Op2* op);
195 void emit_op3(LIR_Op3* op);
196 void emit_opBranch(LIR_OpBranch* op);
197 void emit_opLabel(LIR_OpLabel* op);
198 void emit_arraycopy(LIR_OpArrayCopy* op);
199 void emit_updatecrc32(LIR_OpUpdateCRC32* op);
200 void emit_opConvert(LIR_OpConvert* op);
201 void emit_alloc_obj(LIR_OpAllocObj* op);
202 void emit_alloc_array(LIR_OpAllocArray* op);
203 void emit_opTypeCheck(LIR_OpTypeCheck* op);
204 void emit_typecheck_helper(LIR_OpTypeCheck *op, Label* success, Label* failure, Label* obj_is_null);
205 void emit_compare_and_swap(LIR_OpCompareAndSwap* op);
206 void emit_lock(LIR_OpLock* op);
207 void emit_call(LIR_OpJavaCall* op);
208 void emit_rtcall(LIR_OpRTCall* op);
209 void emit_profile_call(LIR_OpProfileCall* op);
210 void emit_profile_type(LIR_OpProfileType* op);
211 void emit_delay(LIR_OpDelay* op);
212
213 void arith_op(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr dest, CodeEmitInfo* info, bool pop_fpu_stack);
214 void arithmetic_idiv(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr temp, LIR_Opr result, CodeEmitInfo* info);
215 void intrinsic_op(LIR_Code code, LIR_Opr value, LIR_Opr unused, LIR_Opr dest, LIR_Op* op);
216 #ifdef ASSERT
217 void emit_assert(LIR_OpAssert* op);
218 #endif
219
220 void logic_op(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr dest);
221
222 void roundfp_op(LIR_Opr src, LIR_Opr tmp, LIR_Opr dest, bool pop_fpu_stack);
223 void move_op(LIR_Opr src, LIR_Opr result, BasicType type,
224 LIR_PatchCode patch_code, CodeEmitInfo* info, bool pop_fpu_stack, bool unaligned, bool wide);
225 void volatile_move_op(LIR_Opr src, LIR_Opr result, BasicType type, CodeEmitInfo* info);
226 void comp_mem_op(LIR_Opr src, LIR_Opr result, BasicType type, CodeEmitInfo* info); // info set for null exceptions
227 void comp_fl2i(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr result, LIR_Op2* op);
228 void cmove(LIR_Condition code, LIR_Opr left, LIR_Opr right, LIR_Opr result, BasicType type);
229
230 void call( LIR_OpJavaCall* op, relocInfo::relocType rtype);
231 void ic_call( LIR_OpJavaCall* op);
232 void vtable_call( LIR_OpJavaCall* op);
233
234 void osr_entry();
235
236 void build_frame();
237
238 void throw_op(LIR_Opr exceptionPC, LIR_Opr exceptionOop, CodeEmitInfo* info);
239 void unwind_op(LIR_Opr exceptionOop);
240 void monitor_address(int monitor_ix, LIR_Opr dst);
241
242 void align_backward_branch_target();
243 void align_call(LIR_Code code);
244
245 void negate(LIR_Opr left, LIR_Opr dest, LIR_Opr tmp = LIR_OprFact::illegalOpr);
246 void leal(LIR_Opr src, LIR_Opr dest, LIR_PatchCode patch_code = lir_patch_none, CodeEmitInfo* info = NULL);
247
248 void rt_call(LIR_Opr result, address dest, const LIR_OprList* args, LIR_Opr tmp, CodeEmitInfo* info);
249
250 void membar();
251 void membar_acquire();
252 void membar_release();
|
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_C1_C1_LIRASSEMBLER_HPP
26 #define SHARE_C1_C1_LIRASSEMBLER_HPP
27
28 #include "c1/c1_CodeStubs.hpp"
29 #include "ci/ciMethodData.hpp"
30 #include "oops/methodData.hpp"
31 #include "utilities/macros.hpp"
32
33 class Compilation;
34 class CompiledEntrySignature;
35 class ScopeValue;
36 class BarrierSet;
37
38 class LIR_Assembler: public CompilationResourceObj {
39 private:
40 C1_MacroAssembler* _masm;
41 CodeStubList* _slow_case_stubs;
42 BarrierSet* _bs;
43
44 Compilation* _compilation;
45 FrameMap* _frame_map;
46 BlockBegin* _current_block;
47
48 Instruction* _pending_non_safepoint;
49 int _pending_non_safepoint_offset;
50
51 Label _unwind_handler_entry;
52 Label _verified_value_entry;
53
54 #ifdef ASSERT
55 BlockList _branch_target_blocks;
56 void check_no_unbound_labels();
57 #endif
58
59 FrameMap* frame_map() const { return _frame_map; }
60
61 void set_current_block(BlockBegin* b) { _current_block = b; }
62 BlockBegin* current_block() const { return _current_block; }
63
64 // non-safepoint debug info management
65 void flush_debug_info(int before_pc_offset) {
66 if (_pending_non_safepoint != NULL) {
67 if (_pending_non_safepoint_offset < before_pc_offset)
68 record_non_safepoint_debug_info();
69 _pending_non_safepoint = NULL;
70 }
71 }
72 void process_debug_info(LIR_Op* op);
77 bool bailed_out() const { return compilation()->bailed_out(); }
78
79 // code emission patterns and accessors
80 void check_codespace();
81 bool needs_icache(ciMethod* method) const;
82
83 // returns offset of icache check
84 int check_icache();
85
86 bool needs_clinit_barrier_on_entry(ciMethod* method) const;
87 void clinit_barrier(ciMethod* method);
88
89 void jobject2reg(jobject o, Register reg);
90 void jobject2reg_with_patching(Register reg, CodeEmitInfo* info);
91
92 void metadata2reg(Metadata* o, Register reg);
93 void klass2reg_with_patching(Register reg, CodeEmitInfo* info);
94
95 void emit_stubs(CodeStubList* stub_list);
96
97 bool needs_stack_repair() const {
98 return compilation()->needs_stack_repair();
99 }
100
101 // addresses
102 Address as_Address(LIR_Address* addr);
103 Address as_Address_lo(LIR_Address* addr);
104 Address as_Address_hi(LIR_Address* addr);
105
106 // debug information
107 void add_call_info(int pc_offset, CodeEmitInfo* cinfo, bool maybe_return_as_fields = false);
108 void add_debug_info_for_branch(CodeEmitInfo* info);
109 void add_debug_info_for_div0(int pc_offset, CodeEmitInfo* cinfo);
110 void add_debug_info_for_div0_here(CodeEmitInfo* info);
111 ImplicitNullCheckStub* add_debug_info_for_null_check(int pc_offset, CodeEmitInfo* cinfo);
112 ImplicitNullCheckStub* add_debug_info_for_null_check_here(CodeEmitInfo* info);
113
114 void set_24bit_FPU();
115 void reset_FPU();
116 void fpop();
117 void fxch(int i);
118 void fld(int i);
119 void ffree(int i);
120
121 void breakpoint();
122 void push(LIR_Opr opr);
123 void pop(LIR_Opr opr);
124
125 // patching
126 void append_patching_stub(PatchingStub* stub);
127 void patching_epilog(PatchingStub* patch, LIR_PatchCode patch_code, Register obj, CodeEmitInfo* info);
190 CodeEmitInfo* info, bool wide, bool unaligned);
191
192 void shift_op(LIR_Code code, LIR_Opr left, LIR_Opr count, LIR_Opr dest, LIR_Opr tmp);
193 void shift_op(LIR_Code code, LIR_Opr left, jint count, LIR_Opr dest);
194
195 void move_regs(Register from_reg, Register to_reg);
196 void swap_reg(Register a, Register b);
197
198 void emit_op0(LIR_Op0* op);
199 void emit_op1(LIR_Op1* op);
200 void emit_op2(LIR_Op2* op);
201 void emit_op3(LIR_Op3* op);
202 void emit_opBranch(LIR_OpBranch* op);
203 void emit_opLabel(LIR_OpLabel* op);
204 void emit_arraycopy(LIR_OpArrayCopy* op);
205 void emit_updatecrc32(LIR_OpUpdateCRC32* op);
206 void emit_opConvert(LIR_OpConvert* op);
207 void emit_alloc_obj(LIR_OpAllocObj* op);
208 void emit_alloc_array(LIR_OpAllocArray* op);
209 void emit_opTypeCheck(LIR_OpTypeCheck* op);
210 void emit_opFlattenedArrayCheck(LIR_OpFlattenedArrayCheck* op);
211 void emit_opNullFreeArrayCheck(LIR_OpNullFreeArrayCheck* op);
212 void emit_opSubstitutabilityCheck(LIR_OpSubstitutabilityCheck* op);
213 void emit_typecheck_helper(LIR_OpTypeCheck *op, Label* success, Label* failure, Label* obj_is_null);
214 void emit_compare_and_swap(LIR_OpCompareAndSwap* op);
215 void emit_lock(LIR_OpLock* op);
216 void emit_call(LIR_OpJavaCall* op);
217 void emit_rtcall(LIR_OpRTCall* op);
218 void emit_profile_call(LIR_OpProfileCall* op);
219 void emit_profile_type(LIR_OpProfileType* op);
220 void emit_delay(LIR_OpDelay* op);
221 void emit_std_entries();
222 int emit_std_entry(CodeOffsets::Entries entry, const CompiledEntrySignature* ces);
223 void add_scalarized_entry_info(int call_offset);
224
225 void arith_op(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr dest, CodeEmitInfo* info, bool pop_fpu_stack);
226 void arithmetic_idiv(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr temp, LIR_Opr result, CodeEmitInfo* info);
227 void intrinsic_op(LIR_Code code, LIR_Opr value, LIR_Opr unused, LIR_Opr dest, LIR_Op* op);
228 #ifdef ASSERT
229 void emit_assert(LIR_OpAssert* op);
230 #endif
231
232 void logic_op(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr dest);
233
234 void roundfp_op(LIR_Opr src, LIR_Opr tmp, LIR_Opr dest, bool pop_fpu_stack);
235 void move_op(LIR_Opr src, LIR_Opr result, BasicType type,
236 LIR_PatchCode patch_code, CodeEmitInfo* info, bool pop_fpu_stack, bool unaligned, bool wide);
237 void volatile_move_op(LIR_Opr src, LIR_Opr result, BasicType type, CodeEmitInfo* info);
238 void comp_mem_op(LIR_Opr src, LIR_Opr result, BasicType type, CodeEmitInfo* info); // info set for null exceptions
239 void comp_fl2i(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr result, LIR_Op2* op);
240 void cmove(LIR_Condition code, LIR_Opr left, LIR_Opr right, LIR_Opr result, BasicType type);
241
242 void call( LIR_OpJavaCall* op, relocInfo::relocType rtype);
243 void ic_call( LIR_OpJavaCall* op);
244 void vtable_call( LIR_OpJavaCall* op);
245 int store_value_type_fields_to_buf(ciValueKlass* vk);
246
247 void osr_entry();
248
249 void build_frame();
250
251 void throw_op(LIR_Opr exceptionPC, LIR_Opr exceptionOop, CodeEmitInfo* info);
252 void unwind_op(LIR_Opr exceptionOop);
253 void monitor_address(int monitor_ix, LIR_Opr dst);
254
255 void align_backward_branch_target();
256 void align_call(LIR_Code code);
257
258 void negate(LIR_Opr left, LIR_Opr dest, LIR_Opr tmp = LIR_OprFact::illegalOpr);
259 void leal(LIR_Opr src, LIR_Opr dest, LIR_PatchCode patch_code = lir_patch_none, CodeEmitInfo* info = NULL);
260
261 void rt_call(LIR_Opr result, address dest, const LIR_OprList* args, LIR_Opr tmp, CodeEmitInfo* info);
262
263 void membar();
264 void membar_acquire();
265 void membar_release();
|