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2016 Nov 17
2
RFC: Consider changing the semantics of 'fast' flag implying all fast-math-flags
...'-fno-reciprocal-math'?" I have to call that a compiler-bug.
>
> I agree with all you wrote above :)
> But I’d add that a legitimate fix could be for the clang driver to issue an error (or a warning) saying “-fno-reciprocal-math” isn’t compatible with -ffast-math, disabling -fxxxxxx” (with xxxxx being one or the other ;))
I don’t want to add confusion, I feel I’m doing a bad job here somehow: I’m not saying we *should* do this (rejecting in the driver). So let’s just fix it!
—
Mehdi
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>> -----Original Message-----
>> From: Nicolai Hähnle [ma...
2016 Nov 17
2
RFC: Consider changing the semantics of 'fast' flag implying all fast-math-flags
On the plus side, I'm glad to see the conclusions of the last couple of posts.
From Mehdi:
> Hope this clarify where I see the direction going, and even if you don’t agree with my
> reasoning, the conclusion should be satisfactory on your side :)
I'd say that summarizes my thoughts on this well.
And from Nicolai:
> Right. I'm not fundamentally opposed to having these