Author: Guido
Date: 08:35:44 05/07/00
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On May 06, 2000 at 16:35:51, Flemming Rodler wrote: >Hi, > >I am right in assuming that the register declaration i C is superfluous since >mordern compiles usually are very good at optimizing code without my advice as >to which variable are heavly used and should therefore be placed in a register? > >I have tried to fiddle around with placing register declerations in front of >various variables in a move generation function that i am working on and it >seems to have no effect at all. > >By the way im using gcc with -O3 turned on. > > >Thanks for any suggestions >Flemming I agree, but you can try to add the switch -fomit-frame-pointer (obviously with -O3) In certain cases it is possible to save about 10 % Guido
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