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Re: Patch gcc-4.0 should not apply mathematical associative rules for addition or multiplication


On Oct 5, 2004, at 2:29 PM, Geoff Keating wrote:
following your logic.

I pointed out that the standard says ! forall (rearrangement, is valid) and that Fariborz was claiming that forall (rearrangement, ! is valid), and that this does not follow. I also pointed out that exists (rearrangement, is valid), which implies ! forall (rearrangement, ! is valid).

To use your notation, You are saying that sometimes (rearrangement, is valid). And such cases belong
to -funsafe-math-optimisations.

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