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Re: signed is undefined and has been since 1992 (in GCC)
On Tuesday 28 June 2005 07:12, Gabriel Dos Reis wrote:
> For the concrete case at issue, if the hardware I'm writing the C/C++
> programs for consistently displays modulo arithmetics for signed
> integer type, Andrew can you tell me why GCC should deny me access
> to that functionally where it actually can?
Because it disallows compiler transformations? E.g. suddenly a
loop with a signed variable as the loop counter may wrap around,
which that means some transformations that are safe now would
no longer be safe.
Gr.
Steven