Displaying 1 result from an estimated 1 matches for "98f258f4".
2017 Jun 16
4
beneficial optimization of undef examples needed
All,
These discussions seem to be based on the premise that there is a
need for the compiler to exploit undefined behavior for performance
optimization reasons.
So far the only beneficial optimization I am aware of that relies on some
form of “undefined” is Dan Gohman’s original project for LP64 targets of
promoting i32 induction variables to i64 and hoisting sign-extension out
of the