On 4/9/07, J.C. Pizarro <[EMAIL PROTECTED]> wrote:
3. To modify the C-preprocessor and/or C/C++ compiler for:
       #if argument X is a constant then
              use this code specific of constant X
       #else if argument Y is not a constant then
              use this code specific of non-constant Y
       #else
              use this general code
       #endif

Well lets say this, we already support this to some extend, by using
__builtin_constant_p and then just inlining.  Also there exists
already an optimization pass which does IPA constant prop.

Guess you are not well into GCC development after all.

-- Pinski

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