Re: ANK's PSCHED_TDIFF_SAFE change unmasked old bu: msg#00033

Re: ANK's PSCHED_TDIFF_SAFE change unmasked old bug (~0UL != 0xFFFFFFFF): msg#00033

Subject:	Re: ANK's PSCHED_TDIFF_SAFE change unmasked old bug (~0UL != 0xFFFFFFFF)

Hello!

> echo -e "#if ~0UL == 0xffffffff\nTST\n#endif"|gcc -E -
> echo -e "#if ~0UL == 0xffffffffffffffff\nTST\n#endif"|gcc -E -
> 
> and the second line displays TST !!

With old good 2.7.2 this worked...

Dave, do you know a theory explaining this change in gcc behavior?

Alexey

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