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comparison src/cpu/sparc/vm/templateInterpreter_sparc.cpp @ 1783:d5d065957597

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6953144: Tiered compilation Summary: Infrastructure for tiered compilation support (interpreter + c1 + c2) for 32 and 64 bit. Simple tiered policy implementation. Reviewed-by: kvn, never, phh, twisti
author iveresov
date Fri, 03 Sep 2010 17:51:07 -0700
parents e9ff18c4ace7
children f95d63e2154a
comparison
equal deleted inserted replaced
1782:f353275af40e 1783:d5d065957597
292 // 292 //
293 // Lmethod: method 293 // Lmethod: method
294 // ??: invocation counter 294 // ??: invocation counter
295 // 295 //
296 void InterpreterGenerator::generate_counter_incr(Label* overflow, Label* profile_method, Label* profile_method_continue) { 296 void InterpreterGenerator::generate_counter_incr(Label* overflow, Label* profile_method, Label* profile_method_continue) {
297 // Update standard invocation counters 297 // Note: In tiered we increment either counters in methodOop or in MDO depending if we're profiling or not.
298 __ increment_invocation_counter(O0, G3_scratch); 298 if (TieredCompilation) {
299 if (ProfileInterpreter) { // %%% Merge this into methodDataOop 299 const int increment = InvocationCounter::count_increment;
300 Address interpreter_invocation_counter(Lmethod, methodOopDesc::interpreter_invocation_counter_offset()); 300 const int mask = ((1 << Tier0InvokeNotifyFreqLog) - 1) << InvocationCounter::count_shift;
301 __ ld(interpreter_invocation_counter, G3_scratch); 301 Label no_mdo, done;
302 __ inc(G3_scratch); 302 if (ProfileInterpreter) {
303 __ st(G3_scratch, interpreter_invocation_counter); 303 // If no method data exists, go to profile_continue.
304 } 304 __ ld_ptr(Lmethod, methodOopDesc::method_data_offset(), G4_scratch);
305 305 __ br_null(G4_scratch, false, Assembler::pn, no_mdo);
306 if (ProfileInterpreter && profile_method != NULL) { 306 __ delayed()->nop();
307 // Test to see if we should create a method data oop 307 // Increment counter
308 AddressLiteral profile_limit(&InvocationCounter::InterpreterProfileLimit); 308 Address mdo_invocation_counter(G4_scratch,
309 __ sethi(profile_limit, G3_scratch); 309 in_bytes(methodDataOopDesc::invocation_counter_offset()) +
310 __ ld(G3_scratch, profile_limit.low10(), G3_scratch); 310 in_bytes(InvocationCounter::counter_offset()));
311 __ increment_mask_and_jump(mdo_invocation_counter, increment, mask,
312 G3_scratch, Lscratch,
313 Assembler::zero, overflow);
314 __ ba(false, done);
315 __ delayed()->nop();
316 }
317
318 // Increment counter in methodOop
319 __ bind(no_mdo);
320 Address invocation_counter(Lmethod,
321 in_bytes(methodOopDesc::invocation_counter_offset()) +
322 in_bytes(InvocationCounter::counter_offset()));
323 __ increment_mask_and_jump(invocation_counter, increment, mask,
324 G3_scratch, Lscratch,
325 Assembler::zero, overflow);
326 __ bind(done);
327 } else {
328 // Update standard invocation counters
329 __ increment_invocation_counter(O0, G3_scratch);
330 if (ProfileInterpreter) { // %%% Merge this into methodDataOop
331 Address interpreter_invocation_counter(Lmethod,in_bytes(methodOopDesc::interpreter_invocation_counter_offset()));
332 __ ld(interpreter_invocation_counter, G3_scratch);
333 __ inc(G3_scratch);
334 __ st(G3_scratch, interpreter_invocation_counter);
335 }
336
337 if (ProfileInterpreter && profile_method != NULL) {
338 // Test to see if we should create a method data oop
339 AddressLiteral profile_limit((address)&InvocationCounter::InterpreterProfileLimit);
340 __ load_contents(profile_limit, G3_scratch);
341 __ cmp(O0, G3_scratch);
342 __ br(Assembler::lessUnsigned, false, Assembler::pn, *profile_method_continue);
343 __ delayed()->nop();
344
345 // if no method data exists, go to profile_method
346 __ test_method_data_pointer(*profile_method);
347 }
348
349 AddressLiteral invocation_limit((address)&InvocationCounter::InterpreterInvocationLimit);
350 __ load_contents(invocation_limit, G3_scratch);
311 __ cmp(O0, G3_scratch); 351 __ cmp(O0, G3_scratch);
312 __ br(Assembler::lessUnsigned, false, Assembler::pn, *profile_method_continue); 352 __ br(Assembler::greaterEqualUnsigned, false, Assembler::pn, *overflow);
313 __ delayed()->nop(); 353 __ delayed()->nop();
314 354 }
315 // if no method data exists, go to profile_method
316 __ test_method_data_pointer(*profile_method);
317 }
318
319 AddressLiteral invocation_limit(&InvocationCounter::InterpreterInvocationLimit);
320 __ sethi(invocation_limit, G3_scratch);
321 __ ld(G3_scratch, invocation_limit.low10(), G3_scratch);
322 __ cmp(O0, G3_scratch);
323 __ br(Assembler::greaterEqualUnsigned, false, Assembler::pn, *overflow);
324 __ delayed()->nop();
325 355
326 } 356 }
327 357
328 // Allocate monitor and lock method (asm interpreter) 358 // Allocate monitor and lock method (asm interpreter)
329 // ebx - methodOop 359 // ebx - methodOop