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|    comp.compilers    |    Compiler construction, theory, etc. (Mod    |    2,753 messages    |
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|    Message 1,657 of 2,753    |
|    Pertti Kellomaki to Anton Ertl    |
|    Re: behavior-preserving optimization in     |
|    18 May 09 12:48:10    |
      From: pertti.kellomaki@tut.fi              Anton Ertl wrote:       > * Do you analyse the program to see if it is actually       > standard-conformant? If it isn't, do you consider the program to be       > incorrect, the optimizer to be correct, and do you mark the bug       > report as invalid? Then you are an apologist. If you don't write       > optimizers, but think that this attitude is ok, then you are also an       > apologist.              Or a formalist. For example, the Scheme specification does not specify       the order in which function arguments are evaluated. As far as I am       concerned, an implementation would be free to evaluate arguments left       to right on weekdays and right to left on weekends. If my code relies       on something that is not explicitly promised by the language, that's       my fault, not the compiler's.       --       Pertti              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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