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Re: [PATCH] Optimize abs(x) < 0.0
Richard Henderson <rth@redhat.com> writes:
[...]
| I tell you that there are a *lot* of places in the
| compiler where we do not conserve fp signals. We cannot
| possibly promise that we will not lose any, and I guess
| becuase of that, I feel no need to preserve them either.
I hear you. However, I'm not convinced that because we didn't take
care of the issue in the past means that we should continue not to
take care of it. I think new transformations should try hard to
locate where they are not preserving fp signals and use appropriate
flags.
-- Gaby