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comparison: src/share/vm/c1/c1_Compilation.cpp

src/share/vm/c1/c1_Compilation.cpp

changeset 4860
46f6f063b272
parent 4320
c5d414e98fd4
child 5630
e47de6dfec5d
equal deleted inserted replaced
4780:98f3af397705 4860:46f6f063b272
31 #include "c1/c1_MacroAssembler.hpp" 31 #include "c1/c1_MacroAssembler.hpp"
32 #include "c1/c1_ValueMap.hpp" 32 #include "c1/c1_ValueMap.hpp"
33 #include "c1/c1_ValueStack.hpp" 33 #include "c1/c1_ValueStack.hpp"
34 #include "code/debugInfoRec.hpp" 34 #include "code/debugInfoRec.hpp"
35 #include "compiler/compileLog.hpp" 35 #include "compiler/compileLog.hpp"
36 #include "c1/c1_RangeCheckElimination.hpp"
36 37
37 38
38 typedef enum { 39 typedef enum {
39 _t_compile, 40 _t_compile,
40 _t_setup, 41 _t_setup,
41 _t_optimizeIR,
42 _t_buildIR, 42 _t_buildIR,
43 _t_optimize_blocks,
44 _t_optimize_null_checks,
45 _t_rangeCheckElimination,
43 _t_emit_lir, 46 _t_emit_lir,
44 _t_linearScan, 47 _t_linearScan,
45 _t_lirGeneration, 48 _t_lirGeneration,
46 _t_lir_schedule, 49 _t_lir_schedule,
47 _t_codeemit, 50 _t_codeemit,
50 } TimerName; 53 } TimerName;
51 54
52 static const char * timer_name[] = { 55 static const char * timer_name[] = {
53 "compile", 56 "compile",
54 "setup", 57 "setup",
55 "optimizeIR",
56 "buildIR", 58 "buildIR",
59 "optimize_blocks",
60 "optimize_null_checks",
61 "rangeCheckElimination",
57 "emit_lir", 62 "emit_lir",
58 "linearScan", 63 "linearScan",
59 "lirGeneration", 64 "lirGeneration",
60 "lir_schedule", 65 "lir_schedule",
61 "codeemit", 66 "codeemit",
157 _hir->verify(); 162 _hir->verify();
158 163
159 if (UseC1Optimizations) { 164 if (UseC1Optimizations) {
160 NEEDS_CLEANUP 165 NEEDS_CLEANUP
161 // optimization 166 // optimization
162 PhaseTraceTime timeit(_t_optimizeIR); 167 PhaseTraceTime timeit(_t_optimize_blocks);
163 168
164 _hir->optimize(); 169 _hir->optimize_blocks();
165 } 170 }
166 171
167 _hir->verify(); 172 _hir->verify();
168 173
169 _hir->split_critical_edges(); 174 _hir->split_critical_edges();
178 // compute block ordering for code generation 183 // compute block ordering for code generation
179 // the control flow must not be changed from here on 184 // the control flow must not be changed from here on
180 _hir->compute_code(); 185 _hir->compute_code();
181 186
182 if (UseGlobalValueNumbering) { 187 if (UseGlobalValueNumbering) {
183 ResourceMark rm; 188 // No resource mark here! LoopInvariantCodeMotion can allocate ValueStack objects.
184 int instructions = Instruction::number_of_instructions(); 189 int instructions = Instruction::number_of_instructions();
185 GlobalValueNumbering gvn(_hir); 190 GlobalValueNumbering gvn(_hir);
186 assert(instructions == Instruction::number_of_instructions(), 191 assert(instructions == Instruction::number_of_instructions(),
187 "shouldn't have created an instructions"); 192 "shouldn't have created an instructions");
188 } 193 }
194
195 _hir->verify();
196
197 #ifndef PRODUCT
198 if (PrintCFGToFile) {
199 CFGPrinter::print_cfg(_hir, "Before RangeCheckElimination", true, false);
200 }
201 #endif
202
203 if (RangeCheckElimination) {
204 if (_hir->osr_entry() == NULL) {
205 PhaseTraceTime timeit(_t_rangeCheckElimination);
206 RangeCheckElimination::eliminate(_hir);
207 }
208 }
209
210 #ifndef PRODUCT
211 if (PrintCFGToFile) {
212 CFGPrinter::print_cfg(_hir, "After RangeCheckElimination", true, false);
213 }
214 #endif
215
216 if (UseC1Optimizations) {
217 // loop invariant code motion reorders instructions and range
218 // check elimination adds new instructions so do null check
219 // elimination after.
220 NEEDS_CLEANUP
221 // optimization
222 PhaseTraceTime timeit(_t_optimize_null_checks);
223
224 _hir->eliminate_null_checks();
225 }
226
227 _hir->verify();
189 228
190 // compute use counts after global value numbering 229 // compute use counts after global value numbering
191 _hir->compute_use_counts(); 230 _hir->compute_use_counts();
192 231
193 #ifndef PRODUCT 232 #ifndef PRODUCT
500 , _exception_info_list(NULL) 539 , _exception_info_list(NULL)
501 , _allocator(NULL) 540 , _allocator(NULL)
502 , _next_id(0) 541 , _next_id(0)
503 , _next_block_id(0) 542 , _next_block_id(0)
504 , _code(buffer_blob) 543 , _code(buffer_blob)
544 , _has_access_indexed(false)
505 , _current_instruction(NULL) 545 , _current_instruction(NULL)
506 #ifndef PRODUCT 546 #ifndef PRODUCT
507 , _last_instruction_printed(NULL) 547 , _last_instruction_printed(NULL)
508 #endif // PRODUCT 548 #endif // PRODUCT
509 { 549 {
565 605
566 606
567 tty->print_cr(" Detailed C1 Timings"); 607 tty->print_cr(" Detailed C1 Timings");
568 tty->print_cr(" Setup time: %6.3f s (%4.1f%%)", timers[_t_setup].seconds(), (timers[_t_setup].seconds() / total) * 100.0); 608 tty->print_cr(" Setup time: %6.3f s (%4.1f%%)", timers[_t_setup].seconds(), (timers[_t_setup].seconds() / total) * 100.0);
569 tty->print_cr(" Build IR: %6.3f s (%4.1f%%)", timers[_t_buildIR].seconds(), (timers[_t_buildIR].seconds() / total) * 100.0); 609 tty->print_cr(" Build IR: %6.3f s (%4.1f%%)", timers[_t_buildIR].seconds(), (timers[_t_buildIR].seconds() / total) * 100.0);
570 tty->print_cr(" Optimize: %6.3f s (%4.1f%%)", timers[_t_optimizeIR].seconds(), (timers[_t_optimizeIR].seconds() / total) * 100.0); 610 float t_optimizeIR = timers[_t_optimize_blocks].seconds() + timers[_t_optimize_null_checks].seconds();
611 tty->print_cr(" Optimize: %6.3f s (%4.1f%%)", t_optimizeIR, (t_optimizeIR / total) * 100.0);
612 tty->print_cr(" RCE: %6.3f s (%4.1f%%)", timers[_t_rangeCheckElimination].seconds(), (timers[_t_rangeCheckElimination].seconds() / total) * 100.0);
571 tty->print_cr(" Emit LIR: %6.3f s (%4.1f%%)", timers[_t_emit_lir].seconds(), (timers[_t_emit_lir].seconds() / total) * 100.0); 613 tty->print_cr(" Emit LIR: %6.3f s (%4.1f%%)", timers[_t_emit_lir].seconds(), (timers[_t_emit_lir].seconds() / total) * 100.0);
572 tty->print_cr(" LIR Gen: %6.3f s (%4.1f%%)", timers[_t_lirGeneration].seconds(), (timers[_t_lirGeneration].seconds() / total) * 100.0); 614 tty->print_cr(" LIR Gen: %6.3f s (%4.1f%%)", timers[_t_lirGeneration].seconds(), (timers[_t_lirGeneration].seconds() / total) * 100.0);
573 tty->print_cr(" Linear Scan: %6.3f s (%4.1f%%)", timers[_t_linearScan].seconds(), (timers[_t_linearScan].seconds() / total) * 100.0); 615 tty->print_cr(" Linear Scan: %6.3f s (%4.1f%%)", timers[_t_linearScan].seconds(), (timers[_t_linearScan].seconds() / total) * 100.0);
574 NOT_PRODUCT(LinearScan::print_timers(timers[_t_linearScan].seconds())); 616 NOT_PRODUCT(LinearScan::print_timers(timers[_t_linearScan].seconds()));
575 tty->print_cr(" LIR Schedule: %6.3f s (%4.1f%%)", timers[_t_lir_schedule].seconds(), (timers[_t_lir_schedule].seconds() / total) * 100.0); 617 tty->print_cr(" LIR Schedule: %6.3f s (%4.1f%%)", timers[_t_lir_schedule].seconds(), (timers[_t_lir_schedule].seconds() / total) * 100.0);

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