We have disabled several APIs that takes 32-bit address as input parameter because of lack of testing of such address. However, there were few APIs that were not disabled. https://github.com/dotnet/runtime/pull/107780 disabled such APIs, until we add relevant test coverage in future release.
Version
.NET 9 RC 2
Previous behavior
Until RC1, these APIs will be available for use.
New behavior
RC2 and onwards, some of the SVE APIs will not be available.
Type of breaking change
[ ] Binary incompatible: Existing binaries might encounter a breaking change in behavior, such as failure to load or execute, and if so, require recompilation.
[X] Source incompatible: When recompiled using the new SDK or component or to target the new runtime, existing source code might require source changes to compile successfully.
[ ] Behavioral change: Existing binaries might behave differently at run time.
Reason for change
We have disabled several APIs that takes 32-bit address as input parameter because of lack of testing of such address. However, there were few APIs that were not disabled. https://github.com/dotnet/runtime/pull/107780 disabled such APIs, until we add relevant test coverage in future release.
Recommended action
User need to stop using the removed APIs and instead use the overloads that takes 64-bit addresses as input.
Feature area
JIT
Affected APIs
public static void GatherPrefetch16Bit(System.Numerics.Vector<short> mask, System.Numerics.Vector<uint> addresses, [ConstantExpected] SvePrefetchType prefetchType)
public static void GatherPrefetch16Bit(System.Numerics.Vector<ushort> mask, System.Numerics.Vector<uint> addresses, [ConstantExpected] SvePrefetchType prefetchType)
public static void GatherPrefetch32Bit(System.Numerics.Vector<int> mask, System.Numerics.Vector<uint> addresses, [ConstantExpected] SvePrefetchType prefetchType)
public static void GatherPrefetch32Bit(System.Numerics.Vector<uint> mask, System.Numerics.Vector<uint> addresses, [ConstantExpected] SvePrefetchType prefetchType)
public static void GatherPrefetch64Bit(System.Numerics.Vector<long> mask, System.Numerics.Vector<uint> addresses, [ConstantExpected] SvePrefetchType prefetchType)
public static void GatherPrefetch64Bit(System.Numerics.Vector<ulong> mask, System.Numerics.Vector<uint> addresses, [ConstantExpected] SvePrefetchType prefetchType)
public static void GatherPrefetch8Bit(System.Numerics.Vector<byte> mask, System.Numerics.Vector<uint> addresses, [ConstantExpected] SvePrefetchType prefetchType)
public static void GatherPrefetch8Bit(System.Numerics.Vector<sbyte> mask, System.Numerics.Vector<uint> addresses, [ConstantExpected] SvePrefetchType prefetchType)
public static unsafe System.Numerics.Vector<int> GatherVectorInt16SignExtendFirstFaulting(System.Numerics.Vector<int> mask, System.Numerics.Vector<uint> addresses)
public static unsafe System.Numerics.Vector<uint> GatherVectorInt16SignExtendFirstFaulting(System.Numerics.Vector<uint> mask, System.Numerics.Vector<uint> addresses)
public static unsafe System.Numerics.Vector<int> GatherVectorSByteSignExtendFirstFaulting(System.Numerics.Vector<int> mask, System.Numerics.Vector<uint> addresses)
public static unsafe System.Numerics.Vector<uint> GatherVectorSByteSignExtendFirstFaulting(System.Numerics.Vector<uint> mask, System.Numerics.Vector<uint> addresses)
kunalspathak
commented
1 month ago
Description
We have disabled several APIs that takes 32-bit address as input parameter because of lack of testing of such address. However, there were few APIs that were not disabled. https://github.com/dotnet/runtime/pull/107780 disabled such APIs, until we add relevant test coverage in future release.
Version
.NET 9 RC 2
Previous behavior
Until RC1, these APIs will be available for use.
New behavior
RC2 and onwards, some of the SVE APIs will not be available.
Type of breaking change
Reason for change
We have disabled several APIs that takes 32-bit address as input parameter because of lack of testing of such address. However, there were few APIs that were not disabled. https://github.com/dotnet/runtime/pull/107780 disabled such APIs, until we add relevant test coverage in future release.
Recommended action
User need to stop using the removed APIs and instead use the overloads that takes 64-bit addresses as input.
Feature area
JIT
Affected APIs
public static void GatherPrefetch16Bit(System.Numerics.Vector<short> mask, System.Numerics.Vector<uint> addresses, [ConstantExpected] SvePrefetchType prefetchType)public static void GatherPrefetch16Bit(System.Numerics.Vector<ushort> mask, System.Numerics.Vector<uint> addresses, [ConstantExpected] SvePrefetchType prefetchType)public static void GatherPrefetch32Bit(System.Numerics.Vector<int> mask, System.Numerics.Vector<uint> addresses, [ConstantExpected] SvePrefetchType prefetchType)public static void GatherPrefetch32Bit(System.Numerics.Vector<uint> mask, System.Numerics.Vector<uint> addresses, [ConstantExpected] SvePrefetchType prefetchType)public static void GatherPrefetch64Bit(System.Numerics.Vector<long> mask, System.Numerics.Vector<uint> addresses, [ConstantExpected] SvePrefetchType prefetchType)public static void GatherPrefetch64Bit(System.Numerics.Vector<ulong> mask, System.Numerics.Vector<uint> addresses, [ConstantExpected] SvePrefetchType prefetchType)public static void GatherPrefetch8Bit(System.Numerics.Vector<byte> mask, System.Numerics.Vector<uint> addresses, [ConstantExpected] SvePrefetchType prefetchType)public static void GatherPrefetch8Bit(System.Numerics.Vector<sbyte> mask, System.Numerics.Vector<uint> addresses, [ConstantExpected] SvePrefetchType prefetchType)public static unsafe System.Numerics.Vector<int> GatherVectorInt16SignExtendFirstFaulting(System.Numerics.Vector<int> mask, System.Numerics.Vector<uint> addresses)public static unsafe System.Numerics.Vector<uint> GatherVectorInt16SignExtendFirstFaulting(System.Numerics.Vector<uint> mask, System.Numerics.Vector<uint> addresses)public static unsafe System.Numerics.Vector<int> GatherVectorSByteSignExtendFirstFaulting(System.Numerics.Vector<int> mask, System.Numerics.Vector<uint> addresses)public static unsafe System.Numerics.Vector<uint> GatherVectorSByteSignExtendFirstFaulting(System.Numerics.Vector<uint> mask, System.Numerics.Vector<uint> addresses)Associated WorkItem - 320274