[mono][interp] Fix incorrect masking (#82890)

* [mono][interp] Fix incorrect masking

* [mono][interp] Fix warning

Author: BrzVlad

src/mono/mono/mini/interp/interp-simd.c

@@ -147,13 +147,13 @@ interp_v128_i4_op_negation (gpointer res, gpointer v1)
 static void
 interp_v128_i1_op_left_shift (gpointer res, gpointer v1, gpointer s1)
 {
-	*(v128_i1*)res = *(v128_i1*)v1 << (*(gint32*)s1 & 0x7);
+	*(v128_i1*)res = *(v128_i1*)v1 << (*(gint32*)s1 & 7);
 }
 
 static void
 interp_v128_i2_op_left_shift (gpointer res, gpointer v1, gpointer s1)
 {
-	*(v128_i2*)res = *(v128_i2*)v1 << (*(gint32*)s1 & 0x15);
+	*(v128_i2*)res = *(v128_i2*)v1 << (*(gint32*)s1 & 15);
 }
 
 static void

src/mono/mono/mini/interp/transform-simd.c

@@ -91,15 +91,14 @@ emit_sri_vector128 (TransformData *td, MonoMethod *cmethod, MonoMethodSignature
 	if (id == -1)
 		return FALSE;
 
+	MonoClass *vector_klass = mono_class_from_mono_type_internal (csignature->ret);
 	if (id == SN_get_IsHardwareAccelerated) {
 		interp_add_ins (td, MINT_LDC_I4_1);
 		goto opcode_added;
 	}
 
 	gint16 simd_opcode = -1;
 	gint16 simd_intrins = -1;
-
-	MonoClass *vector_klass = mono_class_from_mono_type_internal (csignature->ret);
 	if (!m_class_is_simd_type (vector_klass))
 		vector_klass = mono_class_from_mono_type_internal (csignature->params [0]);
 	if (!m_class_is_simd_type (vector_klass))