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| subject: | gcc -O |
Hi Tulipant. 03-Jun-03 18:14:38, Tulipant Gergely wrote to Jasen Betts JB>> FCBBX: Citizen David advise status of preparation of the device TG> Whazzat? "random" nonsesne TG> Yeah. I've read warnings about the RedHat-tampered gcc - which TG> they call 2.96 - while compiling different sources. :( Could y'all TG> test with some other version K, I;ce got 3 different versions here, 2 Redhat abd one "DJ" TG>>> It does make sense helping the compiler as Ulrich Drepper TG>>> recommends: TG>>> if (sizeof(int) == sizeof(long) || type == 0) TG>>> This way -O2 makes as good a translation as -O1. :) JB>> but O0 is worsened.... TG> That's normal. -O0 produces horrible code (for the sake of TG> flawless tracing?), still it generates some advanced code, e.g. TG> integer division by constant is compiled into multiplication I TG> don't care much about -O0. JB>> It may be better to do a #if using something from values.h but JB>> you may loose POSIX compatibility that way. TG> Why would it be better? it's not relying on the coompiler...Hmm, dunno if it really is "better" now, -=> Bye <=- ---* Origin: As King Arthur said: Some days it all seems so feudal. (3:640/1042) SEEN-BY: 633/267 270 @PATH: 640/1042 531 954 774/605 123/500 106/2000 633/267 |
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