Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Fix for FMT_MODULE not compiling on GCC #3605

Merged
merged 4 commits into from
Aug 25, 2023
Merged

Fix for FMT_MODULE not compiling on GCC #3605

Changes from 3 commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
e418179
Fix for FMT_MODULE not compiling on GCC
MathewBensonCode Aug 22, 2023
1f38ebb
Add condition to include friend function in win32
MathewBensonCode Aug 22, 2023
2b20d7b
Refactor To remove friend function private access
MathewBensonCode Aug 23, 2023
e786824
Refactor Improvement on umul128 function
MathewBensonCode Aug 25, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 4 additions & 3 deletions include/fmt/format.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -369,15 +369,16 @@ class uint128_fallback {
private:
uint64_t lo_, hi_;

friend uint128_fallback umul128(uint64_t x, uint64_t y) noexcept;

public:
constexpr uint128_fallback(uint64_t hi, uint64_t lo) : lo_(lo), hi_(hi) {}
constexpr uint128_fallback(uint64_t value = 0) : lo_(value), hi_(0) {}

constexpr uint64_t high() const noexcept { return hi_; }
constexpr uint64_t low() const noexcept { return lo_; }

uint64_t& high() { return hi_; }
uint64_t& low() { return lo_; }

template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
constexpr explicit operator T() const {
return static_cast<T>(lo_);
Expand Down Expand Up @@ -1489,7 +1490,7 @@ inline uint128_fallback umul128(uint64_t x, uint64_t y) noexcept {
return {static_cast<uint64_t>(p >> 64), static_cast<uint64_t>(p)};
#elif defined(_MSC_VER) && defined(_M_X64)
auto result = uint128_fallback();
result.lo_ = _umul128(x, y, &result.hi_);
result.low() = _umul128(x, y, &result.high());
return result;
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Let's change this to something like:

auto hi = uint64_t();
auto lo = _umul128(x, y, &hi);
return {hi, lo};

and remove the new accessors.

#else
const uint64_t mask = static_cast<uint64_t>(max_value<uint32_t>());
Expand Down