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the first order reason Rust and C++ differ in the article is because Rust will not pass the ffastmath flag to llvm, not because of any of this stuff.
by gameswithgo 7y ago
the first order reason Rust and C++ differ in the article is because Rust will not pass the ffastmath flag to llvm, not because of any of this stuff.
- diamondlovesyou 7y agoBe that as it may, I wasn't talking about C++. Also, the integer operation optimizations require no such flags on either side, and yet the resulting machine code was still very poor for Rust.