piwalker/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-07-24 14:49:42 -06:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #6190 from JosJuice/is-trivially-copyable-vs

Browse Source 
Remove IsTriviallyCopyable hack for VS
This commit is contained in:
Markus Wick
2017-12-19 11:15:58 +01:00
committed by GitHub
parent f547703660 72b7b96571
commit 0bf24f549a
4 changed files with 36 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
Source/Core/Common/BitField.h
View File

@ -124,15 +124,18 @@ public:
// so that we can use this within unions
constexpr BitField() = default;
// Visual Studio (as of VS2017) considers BitField to not be trivially
// copyable if we delete this copy assignment operator.
// https://developercommunity.visualstudio.com/content/problem/101208/c-compiler-is-overly-strict-regarding-whether-a-cl.html
#ifndef _MSC_VER
// We explicitly delete the copy assignment operator here, because the
// default copy assignment would copy the full storage value, rather than
// just the bits relevant to this particular bit field.
// Ideally, we would just implement the copy assignment to copy only the
// relevant bits, but this requires compiler support for unrestricted
// unions.
// TODO: Implement this operator properly once all target compilers
// support unrestricted unions.
// relevant bits, but we're prevented from doing that because the savestate
// code expects that this class is trivially copyable.
BitField& operator=(const BitField&) = delete;
#endif
__forceinline BitField& operator=(T val)
{

5
Source/Core/Common/ChunkFile.h
View File

@ -41,14 +41,11 @@
#if (__has_feature(is_trivially_copyable) && \
(defined(_LIBCPP_VERSION) || defined(__GLIBCXX__))) || \
(defined(__GNUC__) && __GNUC__ >= 5)
(defined(__GNUC__) && __GNUC__ >= 5) || defined(_MSC_VER)
#define IsTriviallyCopyable(T) \
std::is_trivially_copyable<typename std::remove_volatile<T>::type>::value
#elif __GNUC__
#define IsTriviallyCopyable(T) std::has_trivial_copy_constructor<T>::value
#elif _MSC_VER
// (shuffle2) see https://github.com/dolphin-emu/dolphin/pull/2218
#define IsTriviallyCopyable(T) 1
#else
#error No version of is_trivially_copyable
#endif