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[mono] Fix Vector<T>.IsSupported intrinsic #90023

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merged 7 commits into from
Aug 14, 2023
Merged

[mono] Fix Vector<T>.IsSupported intrinsic #90023

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5f640a0
Fix Vector<T>.IsSupported intrinsic
ivanpovazan Aug 4, 2023
024119f
Fix throw helper for intrinsics vector types
lewing Aug 4, 2023
428f79e
Make throw helpers use MONO_TYPE_IS_VECTOR_PRIMITIVE
lewing Aug 4, 2023
481fd87
Return NULL when intrinsic is not supported on a given platform
ivanpovazan Aug 7, 2023
1193537
Revert "Return NULL when intrinsic is not supported on a given platform"
ivanpovazan Aug 12, 2023
a9f3ad0
Revert "Fix Vector<T>.IsSupported intrinsic"
ivanpovazan Aug 12, 2023
4228ed4
Properly fix Vector<T>.IsSupported intrinsic handling
ivanpovazan Aug 12, 2023
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22 changes: 10 additions & 12 deletions src/mono/mono/mini/simd-intrinsics.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2346,11 +2346,19 @@ emit_vector64_vector128_t (MonoCompile *cfg, MonoMethod *cmethod, MonoMethodSign

MonoClass *klass = cmethod->klass;
MonoType *etype = mono_class_get_context (klass)->class_inst->type_argv [0];
gboolean supported = TRUE;
gboolean is_primitive_element_type = MONO_TYPE_IS_VECTOR_PRIMITIVE (etype);

if (!MONO_TYPE_IS_VECTOR_PRIMITIVE (etype))
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// special case SN_get_IsSupported intrinsic which verifies whether a type parameter T is supported for a generic vector
if (id == SN_get_IsSupported) {
MonoInst *ins = NULL;
EMIT_NEW_ICONST (cfg, ins, is_primitive_element_type ? 1 : 0);
return ins;
}

if (!is_primitive_element_type)
return NULL;

gboolean supported = TRUE;
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int size = mono_class_value_size (klass, NULL);
int esize = mono_class_value_size (mono_class_from_mono_type_internal (etype), NULL);
g_assert (size > 0);
Expand Down Expand Up @@ -2383,16 +2391,6 @@ emit_vector64_vector128_t (MonoCompile *cfg, MonoMethod *cmethod, MonoMethodSign
#endif
#endif

switch (id) {
case SN_get_IsSupported: {
MonoInst *ins = NULL;
EMIT_NEW_ICONST (cfg, ins, supported ? 1 : 0);
return ins;
}
default:
break;
}

if (!supported)
return NULL;

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