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
36 class LIR_Assembler: public CompilationResourceObj {
37 private:
38 C1_MacroAssembler* _masm;
39 CodeStubList* _slow_case_stubs;
40
41 Compilation* _compilation;
42 FrameMap* _frame_map;
43 BlockBegin* _current_block;
44
45 Instruction* _pending_non_safepoint;
46 int _pending_non_safepoint_offset;
47
48 Label _unwind_handler_entry;
49
50 #ifdef ASSERT
51 BlockList _branch_target_blocks;
52 void check_no_unbound_labels();
53 #endif
54
55 FrameMap* frame_map() const { return _frame_map; }
56
57 void set_current_block(BlockBegin* b) { _current_block = b; }
58 BlockBegin* current_block() const { return _current_block; }
59
60 // non-safepoint debug info management
61 void flush_debug_info(int before_pc_offset) {
62 if (_pending_non_safepoint != NULL) {
63 if (_pending_non_safepoint_offset < before_pc_offset)
64 record_non_safepoint_debug_info();
65 _pending_non_safepoint = NULL;
66 }
67 }
68 void process_debug_info(LIR_Op* op);
73 bool bailed_out() const { return compilation()->bailed_out(); }
74
75 // code emission patterns and accessors
76 void check_codespace();
77 bool needs_icache(ciMethod* method) const;
78
79 // returns offset of icache check
80 int check_icache();
81
82 bool needs_clinit_barrier_on_entry(ciMethod* method) const;
83 void clinit_barrier(ciMethod* method);
84
85 void jobject2reg(jobject o, Register reg);
86 void jobject2reg_with_patching(Register reg, CodeEmitInfo* info);
87
88 void metadata2reg(Metadata* o, Register reg);
89 void klass2reg_with_patching(Register reg, CodeEmitInfo* info);
90
91 void emit_stubs(CodeStubList* stub_list);
92
93 // addresses
94 Address as_Address(LIR_Address* addr);
95 Address as_Address_lo(LIR_Address* addr);
96 Address as_Address_hi(LIR_Address* addr);
97
98 // debug information
99 void add_call_info(int pc_offset, CodeEmitInfo* cinfo);
100 void add_debug_info_for_branch(CodeEmitInfo* info);
101 void add_debug_info_for_div0(int pc_offset, CodeEmitInfo* cinfo);
102 void add_debug_info_for_div0_here(CodeEmitInfo* info);
103 ImplicitNullCheckStub* add_debug_info_for_null_check(int pc_offset, CodeEmitInfo* cinfo);
104 ImplicitNullCheckStub* add_debug_info_for_null_check_here(CodeEmitInfo* info);
105
106 void breakpoint();
107 void push(LIR_Opr opr);
108 void pop(LIR_Opr opr);
109
110 // patching
111 void append_patching_stub(PatchingStub* stub);
112 void patching_epilog(PatchingStub* patch, LIR_PatchCode patch_code, Register obj, CodeEmitInfo* info);
113
114 void comp_op(LIR_Condition condition, LIR_Opr src, LIR_Opr result, LIR_Op2* op);
115
116 PatchingStub::PatchID patching_id(CodeEmitInfo* info);
117
118 public:
119 LIR_Assembler(Compilation* c);
175 CodeEmitInfo* info, bool wide);
176
177 void shift_op(LIR_Code code, LIR_Opr left, LIR_Opr count, LIR_Opr dest, LIR_Opr tmp);
178 void shift_op(LIR_Code code, LIR_Opr left, jint count, LIR_Opr dest);
179
180 void move_regs(Register from_reg, Register to_reg);
181 void swap_reg(Register a, Register b);
182
183 void emit_op0(LIR_Op0* op);
184 void emit_op1(LIR_Op1* op);
185 void emit_op2(LIR_Op2* op);
186 void emit_op3(LIR_Op3* op);
187 void emit_opBranch(LIR_OpBranch* op);
188 void emit_opLabel(LIR_OpLabel* op);
189 void emit_arraycopy(LIR_OpArrayCopy* op);
190 void emit_updatecrc32(LIR_OpUpdateCRC32* op);
191 void emit_opConvert(LIR_OpConvert* op);
192 void emit_alloc_obj(LIR_OpAllocObj* op);
193 void emit_alloc_array(LIR_OpAllocArray* op);
194 void emit_opTypeCheck(LIR_OpTypeCheck* op);
195 void emit_typecheck_helper(LIR_OpTypeCheck *op, Label* success, Label* failure, Label* obj_is_null);
196 void emit_compare_and_swap(LIR_OpCompareAndSwap* op);
197 void emit_lock(LIR_OpLock* op);
198 void emit_load_klass(LIR_OpLoadKlass* op);
199 void emit_call(LIR_OpJavaCall* op);
200 void emit_rtcall(LIR_OpRTCall* op);
201 void emit_profile_call(LIR_OpProfileCall* op);
202 void emit_profile_type(LIR_OpProfileType* op);
203 void emit_delay(LIR_OpDelay* op);
204
205 void arith_op(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr dest, CodeEmitInfo* info, bool pop_fpu_stack);
206 void arithmetic_idiv(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr temp, LIR_Opr result, CodeEmitInfo* info);
207 void intrinsic_op(LIR_Code code, LIR_Opr value, LIR_Opr unused, LIR_Opr dest, LIR_Op* op);
208 #ifdef ASSERT
209 void emit_assert(LIR_OpAssert* op);
210 #endif
211
212 void logic_op(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr dest);
213
214 void roundfp_op(LIR_Opr src, LIR_Opr tmp, LIR_Opr dest, bool pop_fpu_stack);
215 void move_op(LIR_Opr src, LIR_Opr result, BasicType type,
216 LIR_PatchCode patch_code, CodeEmitInfo* info, bool pop_fpu_stack, bool wide);
217 void volatile_move_op(LIR_Opr src, LIR_Opr result, BasicType type, CodeEmitInfo* info);
218 void comp_mem_op(LIR_Opr src, LIR_Opr result, BasicType type, CodeEmitInfo* info); // info set for null exceptions
219 void comp_fl2i(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr result, LIR_Op2* op);
220 void cmove(LIR_Condition code, LIR_Opr left, LIR_Opr right, LIR_Opr result, BasicType type);
221
222 void call( LIR_OpJavaCall* op, relocInfo::relocType rtype);
223 void ic_call( LIR_OpJavaCall* op);
224 void vtable_call( LIR_OpJavaCall* op);
225
226 void osr_entry();
227
228 void build_frame();
229
230 void throw_op(LIR_Opr exceptionPC, LIR_Opr exceptionOop, CodeEmitInfo* info);
231 void unwind_op(LIR_Opr exceptionOop);
232 void monitor_address(int monitor_ix, LIR_Opr dst);
233
234 void align_backward_branch_target();
235 void align_call(LIR_Code code);
236
237 void negate(LIR_Opr left, LIR_Opr dest, LIR_Opr tmp = LIR_OprFact::illegalOpr);
238 void leal(LIR_Opr src, LIR_Opr dest, LIR_PatchCode patch_code = lir_patch_none, CodeEmitInfo* info = NULL);
239
240 void rt_call(LIR_Opr result, address dest, const LIR_OprList* args, LIR_Opr tmp, CodeEmitInfo* info);
241
242 void membar();
243 void membar_acquire();
244 void membar_release();
245 void membar_loadload();
246 void membar_storestore();
247 void membar_loadstore();
248 void membar_storeload();
249 void on_spin_wait();
250 void get_thread(LIR_Opr result);
251
252 void verify_oop_map(CodeEmitInfo* info);
253
254 void atomic_op(LIR_Code code, LIR_Opr src, LIR_Opr data, LIR_Opr dest, LIR_Opr tmp);
255
256 #include CPU_HEADER(c1_LIRAssembler)
257
258 public:
259
260 static int call_stub_size() {
261 return _call_stub_size;
262 }
263
264 static int exception_handler_size() {
265 return _exception_handler_size;
266 }
267
268 static int deopt_handler_size() {
269 return _deopt_handler_size;
270 }
|
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
37 class LIR_Assembler: public CompilationResourceObj {
38 private:
39 C1_MacroAssembler* _masm;
40 CodeStubList* _slow_case_stubs;
41
42 Compilation* _compilation;
43 FrameMap* _frame_map;
44 BlockBegin* _current_block;
45
46 Instruction* _pending_non_safepoint;
47 int _pending_non_safepoint_offset;
48
49 Label _unwind_handler_entry;
50 Label _verified_inline_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 bool needs_stack_repair() const {
96 return compilation()->needs_stack_repair();
97 }
98
99 // addresses
100 Address as_Address(LIR_Address* addr);
101 Address as_Address_lo(LIR_Address* addr);
102 Address as_Address_hi(LIR_Address* addr);
103
104 // debug information
105 void add_call_info(int pc_offset, CodeEmitInfo* cinfo, bool maybe_return_as_fields = false);
106 void add_debug_info_for_branch(CodeEmitInfo* info);
107 void add_debug_info_for_div0(int pc_offset, CodeEmitInfo* cinfo);
108 void add_debug_info_for_div0_here(CodeEmitInfo* info);
109 ImplicitNullCheckStub* add_debug_info_for_null_check(int pc_offset, CodeEmitInfo* cinfo);
110 ImplicitNullCheckStub* add_debug_info_for_null_check_here(CodeEmitInfo* info);
111
112 void breakpoint();
113 void push(LIR_Opr opr);
114 void pop(LIR_Opr opr);
115
116 // patching
117 void append_patching_stub(PatchingStub* stub);
118 void patching_epilog(PatchingStub* patch, LIR_PatchCode patch_code, Register obj, CodeEmitInfo* info);
119
120 void comp_op(LIR_Condition condition, LIR_Opr src, LIR_Opr result, LIR_Op2* op);
121
122 PatchingStub::PatchID patching_id(CodeEmitInfo* info);
123
124 public:
125 LIR_Assembler(Compilation* c);
181 CodeEmitInfo* info, bool wide);
182
183 void shift_op(LIR_Code code, LIR_Opr left, LIR_Opr count, LIR_Opr dest, LIR_Opr tmp);
184 void shift_op(LIR_Code code, LIR_Opr left, jint count, LIR_Opr dest);
185
186 void move_regs(Register from_reg, Register to_reg);
187 void swap_reg(Register a, Register b);
188
189 void emit_op0(LIR_Op0* op);
190 void emit_op1(LIR_Op1* op);
191 void emit_op2(LIR_Op2* op);
192 void emit_op3(LIR_Op3* op);
193 void emit_opBranch(LIR_OpBranch* op);
194 void emit_opLabel(LIR_OpLabel* op);
195 void emit_arraycopy(LIR_OpArrayCopy* op);
196 void emit_updatecrc32(LIR_OpUpdateCRC32* op);
197 void emit_opConvert(LIR_OpConvert* op);
198 void emit_alloc_obj(LIR_OpAllocObj* op);
199 void emit_alloc_array(LIR_OpAllocArray* op);
200 void emit_opTypeCheck(LIR_OpTypeCheck* op);
201 void emit_opFlattenedArrayCheck(LIR_OpFlattenedArrayCheck* op);
202 void emit_opNullFreeArrayCheck(LIR_OpNullFreeArrayCheck* op);
203 void emit_opSubstitutabilityCheck(LIR_OpSubstitutabilityCheck* 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_load_klass(LIR_OpLoadKlass* op);
208 void emit_call(LIR_OpJavaCall* op);
209 void emit_rtcall(LIR_OpRTCall* op);
210 void emit_profile_call(LIR_OpProfileCall* op);
211 void emit_profile_type(LIR_OpProfileType* op);
212 void emit_profile_inline_type(LIR_OpProfileInlineType* op);
213 void emit_delay(LIR_OpDelay* op);
214 void emit_std_entries();
215 void emit_std_entry(CodeOffsets::Entries entry, const CompiledEntrySignature* ces);
216 void add_scalarized_entry_info(int call_offset);
217
218 void arith_op(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr dest, CodeEmitInfo* info, bool pop_fpu_stack);
219 void arithmetic_idiv(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr temp, LIR_Opr result, CodeEmitInfo* info);
220 void intrinsic_op(LIR_Code code, LIR_Opr value, LIR_Opr unused, LIR_Opr dest, LIR_Op* op);
221 #ifdef ASSERT
222 void emit_assert(LIR_OpAssert* op);
223 #endif
224
225 void logic_op(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr dest);
226
227 void roundfp_op(LIR_Opr src, LIR_Opr tmp, LIR_Opr dest, bool pop_fpu_stack);
228 void move_op(LIR_Opr src, LIR_Opr result, BasicType type,
229 LIR_PatchCode patch_code, CodeEmitInfo* info, bool pop_fpu_stack, bool wide);
230 void volatile_move_op(LIR_Opr src, LIR_Opr result, BasicType type, CodeEmitInfo* info);
231 void comp_mem_op(LIR_Opr src, LIR_Opr result, BasicType type, CodeEmitInfo* info); // info set for null exceptions
232 void comp_fl2i(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr result, LIR_Op2* op);
233 void cmove(LIR_Condition code, LIR_Opr left, LIR_Opr right, LIR_Opr result, BasicType type);
234
235 void call( LIR_OpJavaCall* op, relocInfo::relocType rtype);
236 void ic_call( LIR_OpJavaCall* op);
237 void vtable_call( LIR_OpJavaCall* op);
238 int store_inline_type_fields_to_buf(ciInlineKlass* vk);
239
240 void osr_entry();
241
242 void build_frame();
243
244 void throw_op(LIR_Opr exceptionPC, LIR_Opr exceptionOop, CodeEmitInfo* info);
245 void unwind_op(LIR_Opr exceptionOop);
246 void monitor_address(int monitor_ix, LIR_Opr dst);
247
248 void align_backward_branch_target();
249 void align_call(LIR_Code code);
250
251 void negate(LIR_Opr left, LIR_Opr dest, LIR_Opr tmp = LIR_OprFact::illegalOpr);
252 void leal(LIR_Opr src, LIR_Opr dest, LIR_PatchCode patch_code = lir_patch_none, CodeEmitInfo* info = NULL);
253
254 void rt_call(LIR_Opr result, address dest, const LIR_OprList* args, LIR_Opr tmp, CodeEmitInfo* info);
255
256 void membar();
257 void membar_acquire();
258 void membar_release();
259 void membar_loadload();
260 void membar_storestore();
261 void membar_loadstore();
262 void membar_storeload();
263 void on_spin_wait();
264 void get_thread(LIR_Opr result);
265 void check_orig_pc();
266
267 void verify_oop_map(CodeEmitInfo* info);
268
269 void atomic_op(LIR_Code code, LIR_Opr src, LIR_Opr data, LIR_Opr dest, LIR_Opr tmp);
270
271 #include CPU_HEADER(c1_LIRAssembler)
272
273 public:
274
275 static int call_stub_size() {
276 return _call_stub_size;
277 }
278
279 static int exception_handler_size() {
280 return _exception_handler_size;
281 }
282
283 static int deopt_handler_size() {
284 return _deopt_handler_size;
285 }
|