jevinskie on Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)? (2013) · Hackerly

Comment on Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)? (2013)

There is a discussion from today and yesterday on llvm-dev that deals with floating point guarantees and optimizations: http://thread.gmane.org/gmane.comp.compilers.clang.devel/358...