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Re: [PATCH][no-undefined-overflow] Add basic C++ support
On Fri, 6 Mar 2009, Paolo Bonzini wrote:
> Second, optimizations that require wrapping semantics are still disabled
> with -fno-strict-overflow and require -fwrapv explicitly. I don't know
These optimizations are of course a key advantage of having explicit tree
codes, since they can now transform an overflow-undefined operation to an
overflow-wraps one rather than being disabled altogether without -fwrapv.
--
Joseph S. Myers
joseph@codesourcery.com