RFR: 8255343: Problemlist java/util/stream/SpliteratorTest.java on 32-bit platforms until JDK-8254162

[Aleksey Shipilev]

On Fri, 23 Oct 2020 15:01:48 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> Can you see if this helps?
>> 
>> diff --git a/test/jdk/java/util/stream/test/org/openjdk/tests/java/util/stream/SegmentTestDataProvider.java b/test/jdk/java/util/stream/test/org/openjdk/tests/java/util/stream/SegmentTestDataProvider.java
>> index 2d2d33d0ab7..c5410865a2b 100644
>> --- a/test/jdk/java/util/stream/test/org/openjdk/tests/java/util/stream/SegmentTestDataProvider.java
>> +++ b/test/jdk/java/util/stream/test/org/openjdk/tests/java/util/stream/SegmentTestDataProvider.java
>> @@ -40,12 +40,12 @@ import org.testng.annotations.DataProvider;
>>  public class SegmentTestDataProvider {
>>  
>>      static VarHandle BYTE_HANDLE = MemoryLayouts.JAVA_BYTE.varHandle(byte.class);
>> -    static VarHandle CHAR_HANDLE = MemoryLayouts.JAVA_CHAR.varHandle(char.class);
>> -    static VarHandle SHORT_HANDLE = MemoryLayouts.JAVA_SHORT.varHandle(short.class);
>> -    static VarHandle INT_HANDLE = MemoryLayouts.JAVA_INT.varHandle(int.class);
>> -    static VarHandle LONG_HANDLE = MemoryLayouts.JAVA_LONG.varHandle(long.class);
>> -    static VarHandle FLOAT_HANDLE = MemoryLayouts.JAVA_FLOAT.varHandle(float.class);
>> -    static VarHandle DOUBLE_HANDLE = MemoryLayouts.JAVA_DOUBLE.varHandle(double.class);
>> +    static VarHandle CHAR_HANDLE = MemoryLayouts.JAVA_CHAR.withBitAlignment(8).varHandle(char.class);
>> +    static VarHandle SHORT_HANDLE = MemoryLayouts.JAVA_SHORT.withBitAlignment(8).varHandle(short.class);
>> +    static VarHandle INT_HANDLE = MemoryLayouts.JAVA_INT.withBitAlignment(8).varHandle(int.class);
>> +    static VarHandle LONG_HANDLE = MemoryLayouts.JAVA_LONG.withBitAlignment(8).varHandle(long.class);
>> +    static VarHandle FLOAT_HANDLE = MemoryLayouts.JAVA_FLOAT.withBitAlignment(8).varHandle(float.class);
>> +    static VarHandle DOUBLE_HANDLE = MemoryLayouts.JAVA_DOUBLE.withBitAlignment(8).varHandle(double.class);
>>  
>>      static boolean compareSegmentsByte(Collection<MemorySegment> segments1, Collection<MemorySegment> segments2, boolean isOrdered) {
>> :
>> ass);
>> -    static VarHandle INT_HANDLE = MemoryLayouts.JAVA_INT.varHandle(int.class);
>> -    static VarHandle LONG_HANDLE = MemoryLayouts.JAVA_LONG.varHandle(long.class);
>> -    static VarHandle FLOAT_HANDLE = MemoryLayouts.JAVA_FLOAT.varHandle(float.class);
>> -    static VarHandle DOUBLE_HANDLE = MemoryLayouts.JAVA_DOUBLE.varHandle(double.class);
>> +    static VarHandle CHAR_HANDLE = MemoryLayouts.JAVA_CHAR.withBitAlignment(8).varHandle(char.class);
>> +    static VarHandle SHORT_HANDLE = MemoryLayouts.JAVA_SHORT.withBitAlignment(8).varHandle(short.class);
>> +    static VarHandle INT_HANDLE = MemoryLayouts.JAVA_INT.withBitAlignment(8).varHandle(int.class);
>> +    static VarHandle LONG_HANDLE = MemoryLayouts.JAVA_LONG.withBitAlignment(8).varHandle(long.class);
>> +    static VarHandle FLOAT_HANDLE = MemoryLayouts.JAVA_FLOAT.withBitAlignment(8).varHandle(float.class);
>> +    static VarHandle DOUBLE_HANDLE = MemoryLayouts.JAVA_DOUBLE.withBitAlignment(8).varHandle(double.class);
>>  
>>      static boolean compareSegmentsByte(Collection<MemorySegment> segments1, Collection<MemorySegment> segments2, boolean isOrdered) {
>>          Function<MemorySegment, Byte> mapper = segment -> (byte)BYTE_HANDLE.get(segment.baseAddress());
>
>> Can you see if this helps?
>>      static boolean compareSegmentsByte(Collection<MemorySegment> segments1, Collection<MemorySegment> segments2, boolean isOrdered) {
>> :
>> ass);
> 
> I can, but the patch is corrupted near this line. Ah, that seems to be the stray copy of the hunk above.

Yes, this makes the test pass:

diff --git a/test/jdk/java/util/stream/test/org/openjdk/tests/java/util/stream/SegmentTestDataProvider.java b/test/jdk/java/util/stream/test/org/openjdk/tests/java/util/stream/SegmentTestDataProvider.java
index 2d2d33d0ab7..c5410865a2b 100644
--- a/test/jdk/java/util/stream/test/org/openjdk/tests/java/util/stream/SegmentTestDataProvider.java
+++ b/test/jdk/java/util/stream/test/org/openjdk/tests/java/util/stream/SegmentTestDataProvider.java
@@ -40,12 +40,12 @@ import org.testng.annotations.DataProvider;
 public class SegmentTestDataProvider {
 
     static VarHandle BYTE_HANDLE = MemoryLayouts.JAVA_BYTE.varHandle(byte.class);
-    static VarHandle CHAR_HANDLE = MemoryLayouts.JAVA_CHAR.varHandle(char.class);
-    static VarHandle SHORT_HANDLE = MemoryLayouts.JAVA_SHORT.varHandle(short.class);
-    static VarHandle INT_HANDLE = MemoryLayouts.JAVA_INT.varHandle(int.class);
-    static VarHandle LONG_HANDLE = MemoryLayouts.JAVA_LONG.varHandle(long.class);
-    static VarHandle FLOAT_HANDLE = MemoryLayouts.JAVA_FLOAT.varHandle(float.class);
-    static VarHandle DOUBLE_HANDLE = MemoryLayouts.JAVA_DOUBLE.varHandle(double.class);
+    static VarHandle CHAR_HANDLE = MemoryLayouts.JAVA_CHAR.withBitAlignment(8).varHandle(char.class);
+    static VarHandle SHORT_HANDLE = MemoryLayouts.JAVA_SHORT.withBitAlignment(8).varHandle(short.class);
+    static VarHandle INT_HANDLE = MemoryLayouts.JAVA_INT.withBitAlignment(8).varHandle(int.class);
+    static VarHandle LONG_HANDLE = MemoryLayouts.JAVA_LONG.withBitAlignment(8).varHandle(long.class);
+    static VarHandle FLOAT_HANDLE = MemoryLayouts.JAVA_FLOAT.withBitAlignment(8).varHandle(float.class);
+    static VarHandle DOUBLE_HANDLE = MemoryLayouts.JAVA_DOUBLE.withBitAlignment(8).varHandle(double.class);
 
     static boolean compareSegmentsByte(Collection<MemorySegment> segments1, Collection<MemorySegment> segments2, boolean isOrdered) {
         Function<MemorySegment, Byte> mapper = segment -> (byte)BYTE_HANDLE.get(segment.baseAddress());

I can fix the whole thing thus, without problem listing the test then. Agree?

-------------

PR: https://git.openjdk.java.net/jdk/pull/836