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Enable most warnings in GCC

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This commit is contained in:
Nekotekina 2019-05-10 20:24:14 +03:00
parent 7492f335e9
commit 5d33d9a3d9
7 changed files with 40 additions and 10 deletions
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33
Utilities/types.h
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@ -10,6 +10,7 @@
#include <cstdint>
#include <cstddef>
#include <cstring>
#include <type_traits>
#include <utility>
#include <chrono>
@ -365,6 +366,9 @@ struct alignas(16) s128
CHECK_SIZE_ALIGN(u128, 16, 16);
CHECK_SIZE_ALIGN(s128, 16, 16);
using f32 = float;
using f64 = double;
union alignas(2) f16
{
u16 _u16;
@ -375,22 +379,28 @@ union alignas(2) f16
_u16 = raw;
}
explicit operator float() const
explicit operator f32() const
{
// See http://stackoverflow.com/a/26779139
// The conversion doesn't handle NaN/Inf
u32 raw = ((_u16 & 0x8000) << 16) | // Sign (just moved)
(((_u16 & 0x7c00) + 0x1C000) << 13) | // Exponent ( exp - 15 + 127)
((_u16 & 0x03FF) << 13); // Mantissa
return (float&)raw;
union
{
char data[4];
u32 data32;
f32 res;
};
data32 = raw;
return res;
}
};
CHECK_SIZE_ALIGN(f16, 2, 2);
using f32 = float;
using f64 = double;
template <typename T, typename = std::enable_if_t<std::is_integral<T>::value>>
constexpr T align(const T& value, ullong align)
{
@ -400,12 +410,21 @@ constexpr T align(const T& value, ullong align)
template <typename T, typename T2>
inline u32 offset32(T T2::*const mptr)
{
union
{
char data[sizeof(std::size_t)];
std::size_t data_;
u32 data32;
};
#ifdef _MSC_VER
static_assert(sizeof(mptr) == sizeof(u32), "Invalid pointer-to-member size");
return reinterpret_cast<const u32&>(mptr);
std::memcpy(data, &mptr, sizeof(u32));
return data32;
#elif __GNUG__
static_assert(sizeof(mptr) == sizeof(std::size_t), "Invalid pointer-to-member size");
return static_cast<u32>(reinterpret_cast<const std::size_t&>(mptr));
std::memcpy(data, &mptr, sizeof(std::size_t));
return data_;
#else
static_assert(sizeof(mptr) == 0, "Invalid pointer-to-member size");
#endif