255 // Can share most implementation parts with with
256 // Unsafe.allocateUninitializedArray0
257 "java/lang/reflect/Array.newArray(Ljava/lang/Class;I)Ljava/lang/Object;",
258 // HotSpot MacroAssembler-based intrinsic
259 "sun/nio/cs/ISO_8859_1$Encoder.encodeISOArray([CI[BII)I",
260 // We have implemented implCompressMultiBlock0 on JDK9+. Does it worth
261 // backporting as corresponding HotSpot stubs are only generated on SPARC?
262 "sun/security/provider/DigestBase.implCompressMultiBlock([BII)I");
263
264 // See JDK-8207146.
265 String oopName = isJDK12OrHigher() ? "Reference" : "Object";
266
267 if (isJDK9OrHigher()) {
268 // Relevant for Java flight recorder
269 add(toBeInvestigated,
270 "jdk/jfr/internal/JVM.counterTime()J",
271 "jdk/jfr/internal/JVM.getBufferWriter()Ljava/lang/Object;",
272 "jdk/jfr/internal/JVM.getClassId(Ljava/lang/Class;)J");
273
274 add(toBeInvestigated,
275 // HotSpot MacroAssembler-based intrinsic
276 "java/lang/Math.fma(DDD)D",
277 // HotSpot MacroAssembler-based intrinsic
278 "java/lang/Math.fma(FFF)F",
279 // Just check if the argument is a compile time constant
280 "java/lang/invoke/MethodHandleImpl.isCompileConstant(Ljava/lang/Object;)Z",
281 // Only used as a marker for vectorization?
282 "java/util/stream/Streams$RangeIntSpliterator.forEachRemaining(Ljava/util/function/IntConsumer;)V",
283 // Only implemented on non-AMD64 platforms (some logic and runtime call)
284 "java/util/zip/Adler32.updateByteBuffer(IJII)I",
285 // Only implemented on non-AMD64 platforms (some logic and runtime call)
286 "java/util/zip/Adler32.updateBytes(I[BII)I",
287 // Emits a slow and a fast path and some dispatching logic
288 "jdk/internal/misc/Unsafe.allocateUninitializedArray0(Ljava/lang/Class;I)Ljava/lang/Object;",
289
290 // Control flow, deopts, and a cast
291 "jdk/internal/util/Preconditions.checkIndex(IILjava/util/function/BiFunction;)I",
292 // HotSpot MacroAssembler-based intrinsic
293 "sun/nio/cs/ISO_8859_1$Encoder.implEncodeISOArray([CI[BII)I");
294
295 /*
296 * Per default, all these operations are mapped to some generic method for which we
297 * already have compiler intrinsics. Performance-wise it would be better to support them
298 * explicitly as the more generic method might be more restrictive and therefore slower
381 if (isJDK11OrHigher()) {
382 // Relevant for Java flight recorder
383 add(toBeInvestigated,
384 "jdk/jfr/internal/JVM.getEventWriter()Ljava/lang/Object;");
385 if (!config.useBase64Intrinsics()) {
386 add(ignore,
387 "java/util/Base64$Encoder.encodeBlock([BII[BIZ)V");
388 }
389 }
390
391 if (isJDK12OrHigher()) {
392 add(toBeInvestigated,
393 "java/lang/CharacterDataLatin1.isDigit(I)Z",
394 "java/lang/CharacterDataLatin1.isLowerCase(I)Z",
395 "java/lang/CharacterDataLatin1.isUpperCase(I)Z",
396 "java/lang/CharacterDataLatin1.isWhitespace(I)Z");
397 }
398
399 if (isJDK13OrHigher()) {
400 add(toBeInvestigated,
401 "java/lang/Math.abs(I)I",
402 "java/lang/Math.abs(J)J",
403 "java/lang/Math.max(DD)D",
404 "java/lang/Math.max(FF)F",
405 "java/lang/Math.min(DD)D",
406 "java/lang/Math.min(FF)F");
407 }
408
409 if (!config.inlineNotify()) {
410 add(ignore, "java/lang/Object.notify()V");
411 }
412 if (!config.inlineNotifyAll()) {
413 add(ignore, "java/lang/Object.notifyAll()V");
414 }
415
416 if (!(arch instanceof AMD64)) {
417 // Can we implement these on non-AMD64 platforms? C2 seems to.
418 add(toBeInvestigated,
419 "java/lang/String.compareTo(Ljava/lang/String;)I",
420 "java/lang/StringLatin1.indexOf([B[B)I",
421 "java/lang/StringLatin1.inflate([BI[BII)V",
422 "java/lang/StringLatin1.inflate([BI[CII)V",
439 "sun/misc/Unsafe.getAndAddLong(Ljava/lang/Object;JJ)J",
440 "sun/misc/Unsafe.getAndSetInt(Ljava/lang/Object;JI)I",
441 "sun/misc/Unsafe.getAndSetLong(Ljava/lang/Object;JJ)J",
442 "sun/misc/Unsafe.getAndSet" + oopName + "(Ljava/lang/Object;JLjava/lang/Object;)Ljava/lang/Object;");
443
444 if (isJDK9OrHigher()) {
445 if (!(arch instanceof AArch64)) {
446 add(toBeInvestigated,
447 "java/lang/StringLatin1.compareTo([B[B)I",
448 "java/lang/StringLatin1.compareToUTF16([B[B)I",
449 "java/lang/StringUTF16.compareTo([B[B)I",
450 "java/lang/StringUTF16.compareToLatin1([B[B)I",
451 "jdk/internal/misc/Unsafe.getAndAddInt(Ljava/lang/Object;JI)I",
452 "jdk/internal/misc/Unsafe.getAndAddLong(Ljava/lang/Object;JJ)J",
453 "jdk/internal/misc/Unsafe.getAndSetInt(Ljava/lang/Object;JI)I",
454 "jdk/internal/misc/Unsafe.getAndSetLong(Ljava/lang/Object;JJ)J",
455 "jdk/internal/misc/Unsafe.getAndSet" + oopName + "(Ljava/lang/Object;JLjava/lang/Object;)Ljava/lang/Object;");
456 }
457 add(toBeInvestigated,
458 "com/sun/crypto/provider/CounterMode.implCrypt([BII[BI)I",
459 "java/lang/Thread.onSpinWait()V",
460 "java/util/ArraysSupport.vectorizedMismatch(Ljava/lang/Object;JLjava/lang/Object;JII)I",
461 "jdk/internal/misc/Unsafe.getCharUnaligned(Ljava/lang/Object;J)C",
462 "jdk/internal/misc/Unsafe.getIntUnaligned(Ljava/lang/Object;J)I",
463 "jdk/internal/misc/Unsafe.getLongUnaligned(Ljava/lang/Object;J)J",
464 "jdk/internal/misc/Unsafe.getShortUnaligned(Ljava/lang/Object;J)S",
465 "jdk/internal/misc/Unsafe.putCharUnaligned(Ljava/lang/Object;JC)V",
466 "jdk/internal/misc/Unsafe.putIntUnaligned(Ljava/lang/Object;JI)V",
467 "jdk/internal/misc/Unsafe.putLongUnaligned(Ljava/lang/Object;JJ)V",
468 "jdk/internal/misc/Unsafe.putShortUnaligned(Ljava/lang/Object;JS)V");
469 }
470 if (isJDK10OrHigher()) {
471 add(toBeInvestigated,
472 "jdk/internal/util/ArraysSupport.vectorizedMismatch(Ljava/lang/Object;JLjava/lang/Object;JII)I");
473 }
474 }
475
476 /*
477 * The intrinsics down here are known to be implemented but they are not always enabled on
478 * the HotSpot side (e.g., because they require certain CPU features). So, we are ignoring
|
255 // Can share most implementation parts with with
256 // Unsafe.allocateUninitializedArray0
257 "java/lang/reflect/Array.newArray(Ljava/lang/Class;I)Ljava/lang/Object;",
258 // HotSpot MacroAssembler-based intrinsic
259 "sun/nio/cs/ISO_8859_1$Encoder.encodeISOArray([CI[BII)I",
260 // We have implemented implCompressMultiBlock0 on JDK9+. Does it worth
261 // backporting as corresponding HotSpot stubs are only generated on SPARC?
262 "sun/security/provider/DigestBase.implCompressMultiBlock([BII)I");
263
264 // See JDK-8207146.
265 String oopName = isJDK12OrHigher() ? "Reference" : "Object";
266
267 if (isJDK9OrHigher()) {
268 // Relevant for Java flight recorder
269 add(toBeInvestigated,
270 "jdk/jfr/internal/JVM.counterTime()J",
271 "jdk/jfr/internal/JVM.getBufferWriter()Ljava/lang/Object;",
272 "jdk/jfr/internal/JVM.getClassId(Ljava/lang/Class;)J");
273
274 add(toBeInvestigated,
275 // Just check if the argument is a compile time constant
276 "java/lang/invoke/MethodHandleImpl.isCompileConstant(Ljava/lang/Object;)Z",
277 // Only used as a marker for vectorization?
278 "java/util/stream/Streams$RangeIntSpliterator.forEachRemaining(Ljava/util/function/IntConsumer;)V",
279 // Only implemented on non-AMD64 platforms (some logic and runtime call)
280 "java/util/zip/Adler32.updateByteBuffer(IJII)I",
281 // Only implemented on non-AMD64 platforms (some logic and runtime call)
282 "java/util/zip/Adler32.updateBytes(I[BII)I",
283 // Emits a slow and a fast path and some dispatching logic
284 "jdk/internal/misc/Unsafe.allocateUninitializedArray0(Ljava/lang/Class;I)Ljava/lang/Object;",
285
286 // Control flow, deopts, and a cast
287 "jdk/internal/util/Preconditions.checkIndex(IILjava/util/function/BiFunction;)I",
288 // HotSpot MacroAssembler-based intrinsic
289 "sun/nio/cs/ISO_8859_1$Encoder.implEncodeISOArray([CI[BII)I");
290
291 /*
292 * Per default, all these operations are mapped to some generic method for which we
293 * already have compiler intrinsics. Performance-wise it would be better to support them
294 * explicitly as the more generic method might be more restrictive and therefore slower
377 if (isJDK11OrHigher()) {
378 // Relevant for Java flight recorder
379 add(toBeInvestigated,
380 "jdk/jfr/internal/JVM.getEventWriter()Ljava/lang/Object;");
381 if (!config.useBase64Intrinsics()) {
382 add(ignore,
383 "java/util/Base64$Encoder.encodeBlock([BII[BIZ)V");
384 }
385 }
386
387 if (isJDK12OrHigher()) {
388 add(toBeInvestigated,
389 "java/lang/CharacterDataLatin1.isDigit(I)Z",
390 "java/lang/CharacterDataLatin1.isLowerCase(I)Z",
391 "java/lang/CharacterDataLatin1.isUpperCase(I)Z",
392 "java/lang/CharacterDataLatin1.isWhitespace(I)Z");
393 }
394
395 if (isJDK13OrHigher()) {
396 add(toBeInvestigated,
397 "java/lang/Math.max(DD)D",
398 "java/lang/Math.max(FF)F",
399 "java/lang/Math.min(DD)D",
400 "java/lang/Math.min(FF)F");
401 }
402
403 if (!config.inlineNotify()) {
404 add(ignore, "java/lang/Object.notify()V");
405 }
406 if (!config.inlineNotifyAll()) {
407 add(ignore, "java/lang/Object.notifyAll()V");
408 }
409
410 if (!(arch instanceof AMD64)) {
411 // Can we implement these on non-AMD64 platforms? C2 seems to.
412 add(toBeInvestigated,
413 "java/lang/String.compareTo(Ljava/lang/String;)I",
414 "java/lang/StringLatin1.indexOf([B[B)I",
415 "java/lang/StringLatin1.inflate([BI[BII)V",
416 "java/lang/StringLatin1.inflate([BI[CII)V",
433 "sun/misc/Unsafe.getAndAddLong(Ljava/lang/Object;JJ)J",
434 "sun/misc/Unsafe.getAndSetInt(Ljava/lang/Object;JI)I",
435 "sun/misc/Unsafe.getAndSetLong(Ljava/lang/Object;JJ)J",
436 "sun/misc/Unsafe.getAndSet" + oopName + "(Ljava/lang/Object;JLjava/lang/Object;)Ljava/lang/Object;");
437
438 if (isJDK9OrHigher()) {
439 if (!(arch instanceof AArch64)) {
440 add(toBeInvestigated,
441 "java/lang/StringLatin1.compareTo([B[B)I",
442 "java/lang/StringLatin1.compareToUTF16([B[B)I",
443 "java/lang/StringUTF16.compareTo([B[B)I",
444 "java/lang/StringUTF16.compareToLatin1([B[B)I",
445 "jdk/internal/misc/Unsafe.getAndAddInt(Ljava/lang/Object;JI)I",
446 "jdk/internal/misc/Unsafe.getAndAddLong(Ljava/lang/Object;JJ)J",
447 "jdk/internal/misc/Unsafe.getAndSetInt(Ljava/lang/Object;JI)I",
448 "jdk/internal/misc/Unsafe.getAndSetLong(Ljava/lang/Object;JJ)J",
449 "jdk/internal/misc/Unsafe.getAndSet" + oopName + "(Ljava/lang/Object;JLjava/lang/Object;)Ljava/lang/Object;");
450 }
451 add(toBeInvestigated,
452 "com/sun/crypto/provider/CounterMode.implCrypt([BII[BI)I",
453 "java/lang/Math.fma(DDD)D",
454 "java/lang/Math.fma(FFF)F",
455 "java/lang/Thread.onSpinWait()V",
456 "java/util/ArraysSupport.vectorizedMismatch(Ljava/lang/Object;JLjava/lang/Object;JII)I",
457 "jdk/internal/misc/Unsafe.getCharUnaligned(Ljava/lang/Object;J)C",
458 "jdk/internal/misc/Unsafe.getIntUnaligned(Ljava/lang/Object;J)I",
459 "jdk/internal/misc/Unsafe.getLongUnaligned(Ljava/lang/Object;J)J",
460 "jdk/internal/misc/Unsafe.getShortUnaligned(Ljava/lang/Object;J)S",
461 "jdk/internal/misc/Unsafe.putCharUnaligned(Ljava/lang/Object;JC)V",
462 "jdk/internal/misc/Unsafe.putIntUnaligned(Ljava/lang/Object;JI)V",
463 "jdk/internal/misc/Unsafe.putLongUnaligned(Ljava/lang/Object;JJ)V",
464 "jdk/internal/misc/Unsafe.putShortUnaligned(Ljava/lang/Object;JS)V");
465 }
466 if (isJDK10OrHigher()) {
467 add(toBeInvestigated,
468 "jdk/internal/util/ArraysSupport.vectorizedMismatch(Ljava/lang/Object;JLjava/lang/Object;JII)I");
469 }
470 }
471
472 /*
473 * The intrinsics down here are known to be implemented but they are not always enabled on
474 * the HotSpot side (e.g., because they require certain CPU features). So, we are ignoring
|