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comparison src/share/vm/graal/graalVMEntries.cpp @ 3647:dea89750a867

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Remove ci usage from switchProbability.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Wed, 16 Nov 2011 16:00:11 +0100
parents 148584b96a34
children 81ad8ab1f9fe
comparison
equal deleted inserted replaced
3646:148584b96a34 3647:dea89750a867
325 } 325 }
326 } 326 }
327 327
328 JNIEXPORT jobject JNICALL Java_com_oracle_graal_hotspot_VMEntries_RiMethod_2switchProbability(JNIEnv *, jobject, jobject hotspot_method, jint bci) { 328 JNIEXPORT jobject JNICALL Java_com_oracle_graal_hotspot_VMEntries_RiMethod_2switchProbability(JNIEnv *, jobject, jobject hotspot_method, jint bci) {
329 TRACE_graal_3("VMEntries::RiMethod_typeProfile"); 329 TRACE_graal_3("VMEntries::RiMethod_typeProfile");
330 ciMethodData* method_data; 330 VM_ENTRY_MARK;
331 ciMethod* cimethod; 331 methodOop method = getMethodFromHotSpotMethod(hotspot_method);
332 { 332 methodDataOop method_data = method->method_data();
333 VM_ENTRY_MARK;
334 methodOop method = getMethodFromHotSpotMethod(hotspot_method);
335 cimethod = (ciMethod*)CURRENT_ENV->get_object(method);
336 }
337 method_data = cimethod->method_data();
338
339 jfloat probability = -1;
340 333
341 if (method_data == NULL || !method_data->is_mature()) return NULL; 334 if (method_data == NULL || !method_data->is_mature()) return NULL;
342 335
343 ciProfileData* data = method_data->bci_to_data(bci); 336 ProfileData* data = method_data->bci_to_data(bci);
344 if (data == NULL || !data->is_MultiBranchData()) return NULL; 337 if (data == NULL || !data->is_MultiBranchData()) return NULL;
345 338
346 MultiBranchData* branch_data = data->as_MultiBranchData(); 339 MultiBranchData* branch_data = data->as_MultiBranchData();
347 340
348 long sum = 0; 341 long sum = 0;
360 353
361 // Give up if too few (or too many, in which case the sum will overflow) counts to be meaningful. 354 // Give up if too few (or too many, in which case the sum will overflow) counts to be meaningful.
362 // We also check that individual counters are positive first, otherwise the sum can become positive. 355 // We also check that individual counters are positive first, otherwise the sum can become positive.
363 if (sum < 10 * (cases + 3)) return NULL; 356 if (sum < 10 * (cases + 3)) return NULL;
364 357
365 { 358 typeArrayOop probability = oopFactory::new_typeArray(T_DOUBLE, cases + 1, CHECK_NULL);
366 VM_ENTRY_MARK; 359 for (int i = 0; i < cases + 1; i++) {
367 typeArrayOop probability = oopFactory::new_typeArray(T_DOUBLE, cases + 1, CHECK_NULL); 360 probability->double_at_put(i, counts->at(i) / (double) sum);
368 for (int i = 0; i < cases + 1; i++) { 361 }
369 probability->double_at_put(i, counts->at(i) / (double) sum); 362 return JNIHandles::make_local(probability);
370 }
371 return JNIHandles::make_local(probability);
372 }
373 } 363 }
374 364
375 // public native boolean RiMethod_hasCompiledCode(HotSpotMethodResolved method); 365 // public native boolean RiMethod_hasCompiledCode(HotSpotMethodResolved method);
376 JNIEXPORT jboolean JNICALL Java_com_oracle_graal_hotspot_VMEntries_RiMethod_1hasCompiledCode(JNIEnv *, jobject, jobject hotspot_method) { 366 JNIEXPORT jboolean JNICALL Java_com_oracle_graal_hotspot_VMEntries_RiMethod_1hasCompiledCode(JNIEnv *, jobject, jobject hotspot_method) {
377 TRACE_graal_3("VMEntries::RiMethod_hasCompiledCode"); 367 TRACE_graal_3("VMEntries::RiMethod_hasCompiledCode");