Rename type trait

include/ck/utility/readfirstlane.hpp

@@ -15,28 +15,28 @@ namespace ck {
 namespace detail {
 
 template <std::size_t Size>
-struct get_signed_int;
+struct get_unsigned_int;
 
 template <>
-struct get_signed_int<1>
+struct get_unsigned_int<1>
 {
-    using type = std::int8_t;
+    using type = std::uint8_t;
 };
 
 template <>
-struct get_signed_int<2>
+struct get_unsigned_int<2>
 {
-    using type = std::int16_t;
+    using type = std::uint16_t;
 };
 
 template <>
-struct get_signed_int<4>
+struct get_unsigned_int<4>
 {
-    using type = std::int32_t;
+    using type = std::uint32_t;
 };
 
 template <std::size_t Size>
-using get_signed_int_t = typename get_signed_int<Size>::type;
+using get_unsigned_int_t = typename get_unsigned_int<Size>::type;
 
 } // namespace detail
 
@@ -53,7 +53,7 @@ __device__ auto readfirstlane(const Object& obj)
     constexpr std::size_t SgprSize   = 4;
     constexpr std::size_t ObjectSize = sizeof(Object);
 
-    using Sgpr = detail::get_signed_int_t<SgprSize>;
+    using Sgpr = detail::get_unsigned_int_t<SgprSize>;
 
     alignas(Object) std::byte to_obj[ObjectSize];
 
@@ -68,7 +68,7 @@ __device__ auto readfirstlane(const Object& obj)
 
     if constexpr(0 < RemainedSize)
     {
-        using Carrier = detail::get_signed_int_t<RemainedSize>;
+        using Carrier = detail::get_unsigned_int_t<RemainedSize>;
 
         *reinterpret_cast<Carrier>(to_obj + CompleteSgprCopyBoundary) =
             readfirstlane(*reinterpret_cast<const Carrier*>(from_obj + CompleteSgprCopyBoundary));