Implement SIMD support for the Vector2/3/4 classes in System.Numerics. (#3765)

[mono.git] / mono / metadata / class.c

diff --git a/mono/metadata/class.c b/mono/metadata/class.c
index dc2c6dbe7145738a19bf6e77c12403069d15c7a9..ec04bffa5511edb696d32464a0416560f974463a 100644 (file)
--- a/mono/metadata/class.c
+++ b/mono/metadata/class.c
@@ -1970,6 +1970,9 @@ mono_class_layout_fields (MonoClass *klass, int base_instance_size, int packing_
                                real_size = field_offsets [i] + size;
                        }
 
+                       /* Make SIMD types as big as a SIMD register since they can be stored into using simd stores */
+                       if (klass->simd_type)
+                               real_size = MAX (real_size, sizeof (MonoObject) + 16);
                        instance_size = MAX (real_size, instance_size);
        
                        if (instance_size & (min_align - 1)) {
@@ -5981,6 +5984,12 @@ mono_class_create_from_typedef (MonoImage *image, guint32 type_token, MonoError
        if (klass->image->assembly_name && !strcmp (klass->image->assembly_name, "Mono.Simd") && !strcmp (nspace, "Mono.Simd")) {
                if (!strncmp (name, "Vector", 6))
                        klass->simd_type = !strcmp (name + 6, "2d") || !strcmp (name + 6, "2ul") || !strcmp (name + 6, "2l") || !strcmp (name + 6, "4f") || !strcmp (name + 6, "4ui") || !strcmp (name + 6, "4i") || !strcmp (name + 6, "8s") || !strcmp (name + 6, "8us") || !strcmp (name + 6, "16b") || !strcmp (name + 6, "16sb");
+       } else if (klass->image->assembly_name && !strcmp (klass->image->assembly_name, "System.Numerics") && !strcmp (nspace, "System.Numerics")) {
+               if (!strcmp (name, "Vector2") || !strcmp (name, "Vector3") || !strcmp (name, "Vector4"))
+                       klass->simd_type = 1;
+       } else if (klass->image->assembly_name && !strcmp (klass->image->assembly_name, "System.Numerics.Vectors") && !strcmp (nspace, "System.Numerics")) {
+               if (!strcmp (name, "Vector`1"))
+                       klass->simd_type = 1;
        }
 
        mono_loader_unlock ();
@@ -6086,6 +6095,7 @@ mono_generic_class_get_class (MonoGenericClass *gclass)
        klass->this_arg.byref = TRUE;
        klass->enumtype = gklass->enumtype;
        klass->valuetype = gklass->valuetype;
+       klass->simd_type = gklass->simd_type;
 
        klass->cast_class = klass->element_class = klass;