Suppress memcpy writing to an object with no trivial copy-assignment warnings

We need to copy padding in most of these cases, and the objects are trivially copyable; however, BitField prevents trivial copy-assignment.
This commit is contained in:
Pokechu22
2023-02-02 16:53:08 -08:00
parent ac7a17579e
commit 3024ca2146
6 changed files with 49 additions and 0 deletions

View File

@ -17,7 +17,14 @@ CPState g_preprocess_cp_state;
void CopyPreprocessCPStateFromMain()
{
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wclass-memaccess"
#endif
std::memcpy(&g_preprocess_cp_state, &g_main_cp_state, sizeof(CPState));
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
}
std::pair<std::string, std::string> GetCPRegInfo(u8 cmd, u32 value)

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@ -608,7 +608,14 @@ AbstractPipelineConfig ShaderCache::GetGXPipelineConfig(
static GXPipelineUid ApplyDriverBugs(const GXPipelineUid& in)
{
GXPipelineUid out;
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wclass-memaccess"
#endif
memcpy(&out, &in, sizeof(out)); // copy padding
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
pixel_shader_uid_data* ps = out.ps_uid.GetUidData();
BlendingState& blend = out.blending_state;
@ -778,7 +785,14 @@ ShaderCache::GetGXPipelineConfig(const GXPipelineUid& config_in)
static GXUberPipelineUid ApplyDriverBugs(const GXUberPipelineUid& in)
{
GXUberPipelineUid out;
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wclass-memaccess"
#endif
memcpy(&out, &in, sizeof(out)); // Copy padding
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
if (g_ActiveConfig.backend_info.bSupportsDynamicVertexLoader)
out.vertex_format = nullptr;

View File

@ -153,7 +153,14 @@ NativeVertexFormat* GetUberVertexFormat(const PortableVertexDeclaration& decl)
// The padding in the structs can cause the memcmp() in the map to create duplicates.
// Avoid this by initializing the padding to zero.
PortableVertexDeclaration new_decl;
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wclass-memaccess"
#endif
std::memset(&new_decl, 0, sizeof(new_decl));
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
new_decl.stride = decl.stride;
auto MakeDummyAttribute = [](AttributeFormat& attr, ComponentFormat type, int components,