summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/vm/class.cpp14
-rw-r--r--src/vm/methodtable.cpp37
-rw-r--r--src/vm/methodtablebuilder.cpp49
3 files changed, 84 insertions, 16 deletions
diff --git a/src/vm/class.cpp b/src/vm/class.cpp
index ea02ca7bd9..d0b07f0896 100644
--- a/src/vm/class.cpp
+++ b/src/vm/class.cpp
@@ -1722,6 +1722,20 @@ EEClass::CheckForHFA()
if (HasExplicitFieldOffsetLayout())
return false;
+ // The SIMD Intrinsic types are meant to be handled specially and should not be treated as HFA
+ if (GetMethodTable()->IsIntrinsicType())
+ {
+ LPCUTF8 namespaceName;
+ LPCUTF8 className = GetMethodTable()->GetFullyQualifiedNameInfo(&namespaceName);
+
+ if ((strcmp(className, "Vector256`1") == 0) || (strcmp(className, "Vector128`1") == 0) ||
+ (strcmp(className, "Vector64`1") == 0))
+ {
+ assert(strcmp(namespaceName, "System.Runtime.Intrinsics") == 0);
+ return false;
+ }
+ }
+
CorElementType hfaType = ELEMENT_TYPE_END;
FieldDesc *pFieldDescList = GetFieldDescList();
diff --git a/src/vm/methodtable.cpp b/src/vm/methodtable.cpp
index 24c69cfb01..76d490d251 100644
--- a/src/vm/methodtable.cpp
+++ b/src/vm/methodtable.cpp
@@ -2340,6 +2340,25 @@ bool MethodTable::ClassifyEightBytesWithManagedLayout(SystemVStructRegisterPassi
nestingLevel * 5, "", this->GetDebugClassName()));
return false;
}
+
+ // The SIMD Intrinsic types are meant to be handled specially and should not be passed as struct registers
+ if (IsIntrinsicType())
+ {
+ LPCUTF8 namespaceName;
+ LPCUTF8 className = GetFullyQualifiedNameInfo(&namespaceName);
+
+ if ((strcmp(className, "Vector256`1") == 0) || (strcmp(className, "Vector128`1") == 0) ||
+ (strcmp(className, "Vector64`1") == 0))
+ {
+ assert(strcmp(namespaceName, "System.Runtime.Intrinsics") == 0);
+
+ LOG((LF_JIT, LL_EVERYTHING, "%*s**** ClassifyEightBytesWithManagedLayout: struct %s is a SIMD intrinsic type; will not be enregistered\n",
+ nestingLevel * 5, "", this->GetDebugClassName()));
+
+ return false;
+ }
+ }
+
#ifdef _DEBUG
LOG((LF_JIT, LL_EVERYTHING, "%*s**** Classify %s (%p), startOffset %d, total struct size %d\n",
nestingLevel * 5, "", this->GetDebugClassName(), this, startOffsetOfStruct, helperPtr->structSize));
@@ -2619,6 +2638,24 @@ bool MethodTable::ClassifyEightBytesWithNativeLayout(SystemVStructRegisterPassin
return false;
}
+ // The SIMD Intrinsic types are meant to be handled specially and should not be passed as struct registers
+ if (IsIntrinsicType())
+ {
+ LPCUTF8 namespaceName;
+ LPCUTF8 className = GetFullyQualifiedNameInfo(&namespaceName);
+
+ if ((strcmp(className, "Vector256`1") == 0) || (strcmp(className, "Vector128`1") == 0) ||
+ (strcmp(className, "Vector64`1") == 0))
+ {
+ assert(strcmp(namespaceName, "System.Runtime.Intrinsics") == 0);
+
+ LOG((LF_JIT, LL_EVERYTHING, "%*s**** ClassifyEightBytesWithNativeLayout: struct %s is a SIMD intrinsic type; will not be enregistered\n",
+ nestingLevel * 5, "", this->GetDebugClassName()));
+
+ return false;
+ }
+ }
+
#ifdef _DEBUG
LOG((LF_JIT, LL_EVERYTHING, "%*s**** Classify for native struct %s (%p), startOffset %d, total struct size %d\n",
nestingLevel * 5, "", this->GetDebugClassName(), this, startOffsetOfStruct, helperPtr->structSize));
diff --git a/src/vm/methodtablebuilder.cpp b/src/vm/methodtablebuilder.cpp
index 1a6b39af5c..83116f94f5 100644
--- a/src/vm/methodtablebuilder.cpp
+++ b/src/vm/methodtablebuilder.cpp
@@ -1499,7 +1499,21 @@ MethodTableBuilder::BuildMethodTableThrowing(
LPCUTF8 className;
LPCUTF8 nameSpace;
HRESULT hr = GetMDImport()->GetNameOfTypeDef(bmtInternal->pType->GetTypeDefToken(), &className, &nameSpace);
-
+
+ if (hr == S_OK && strcmp(nameSpace, "System.Runtime.Intrinsics") == 0)
+ {
+ if (IsCompilationProcess())
+ {
+ // Disable AOT compiling for the SIMD hardware intrinsic types. These types require special
+ // ABI handling as they represent fundamental data types (__m64, __m128, and __m256) and not
+ // aggregate or union types. See https://github.com/dotnet/coreclr/issues/15943
+ //
+ // Once they are properly handled according to the ABI requirements, we can remove this check
+ // and allow them to be used in crossgen/AOT scenarios.
+ COMPlusThrow(kTypeLoadException, IDS_EE_HWINTRINSIC_NGEN_DISALLOWED);
+ }
+ }
+
#if defined(_TARGET_ARM64_)
// All the funtions in System.Runtime.Intrinsics.Arm.Arm64 are hardware intrinsics.
if (hr == S_OK && strcmp(nameSpace, "System.Runtime.Intrinsics.Arm.Arm64") == 0)
@@ -1844,6 +1858,24 @@ MethodTableBuilder::BuildMethodTableThrowing(
pMT->SetIsByRefLike();
}
+ // If this type is marked by [Intrinsic] attribute, it may be specially treated by the runtime/compiler
+ // Currently, only SIMD types have [Intrinsic] attribute
+ //
+ // We check this here, before the SystemVAmd64CheckForPass[Native]StructInRegister calls to ensure the SIMD
+ // intrinsics are not enregistered incorrectly.
+ if ((GetModule()->IsSystem() || GetAssembly()->IsSIMDVectorAssembly()) && IsValueClass() && bmtGenerics->HasInstantiation())
+ {
+ HRESULT hr = GetMDImport()->GetCustomAttributeByName(bmtInternal->pType->GetTypeDefToken(),
+ g_CompilerServicesIntrinsicAttribute,
+ NULL,
+ NULL);
+
+ if (hr == S_OK)
+ {
+ pMT->SetIsIntrinsicType();
+ }
+ }
+
if (IsValueClass())
{
if (bmtFP->NumInstanceFieldBytes != totalDeclaredFieldSize || HasOverLayedField())
@@ -2025,21 +2057,6 @@ MethodTableBuilder::BuildMethodTableThrowing(
pMT->SetICastable();
}
#endif // FEATURE_ICASTABLE
-
- // If this type is marked by [Intrinsic] attribute, it may be specially treated by the runtime/compiler
- // Currently, only SIMD types have [Intrinsic] attribute
- if ((GetModule()->IsSystem() || GetAssembly()->IsSIMDVectorAssembly()) && IsValueClass() && bmtGenerics->HasInstantiation())
- {
- HRESULT hr = GetMDImport()->GetCustomAttributeByName(bmtInternal->pType->GetTypeDefToken(),
- g_CompilerServicesIntrinsicAttribute,
- NULL,
- NULL);
-
- if (hr == S_OK)
- {
- pMT->SetIsIntrinsicType();
- }
- }
// Grow the typedef ridmap in advance as we can't afford to
// fail once we set the resolve bit