In message <[EMAIL PROTECTED]> you wrote: > > > If possible, we *want* the preprocessor to remove any code that does > > not apply for a specific configuration. Generating code just bloats > > the memory footprint. > > Definitely. > > But constant expressions are evaluated at compile time. So the dead > branch (if or else) doesn't generate any object code. There is no > memory footprint overhead. > > When possible, I prefer to use C conditionals rather than preprocessor > conditionals. I raised the point because I see u-boot wants to get rid > of preprocessor mess when it brings no cost.
In general, you are of course right. In this specific case, I feel an immediate allergic reaction because it makes the code look even more as if CFG_HZ was a variable ;-) Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: [EMAIL PROTECTED] Es sind überhaupt nur die Dummköpfe, die sich den Befehlen der Mäch- tigen widersetzen. Um sie zu ruinieren ist es genug, ihre Befehle treu zu erfüllen. - Peter Hacks: "Die schöne Helena" ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ U-Boot-Users mailing list U-Boot-Users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/u-boot-users
