On Fri, Dec 31, 2021 at 10:43 PM Sven Barth via fpc-devel < fpc-devel@lists.freepascal.org> wrote:
> Christo Crause via fpc-devel <fpc-devel@lists.freepascal.org> schrieb am > Fr., 31. Dez. 2021, 16:58: > >> On Fri, Dec 31, 2021 at 4:41 PM Marco Borsari via fpc-devel < >> fpc-devel@lists.freepascal.org> wrote: >> >>> Hi, >>> on Linux with FPC 3.2.2 the executable size of programs compiled with >>> fpc -On -a (tried with n 2 or 4) >>> is smaller than when the assembler files are deleted (-a omitted). >>> Does it is an expected behaviour? >>> >> >> Using any of the -a options (not sure about -a5?) to output assembly also >> automatically switches to an external linker (for targets with internal >> linkers). Differences in the executables are thus attributable to >> differences in generated output between the internal and external linkers. >> > > The internal ELF linker isn't enabled by default. > > But using -a switches to the external assembler instead of the internal > one and there the same point holds true that slightly different binary > files are generated. > Thanks for the clarification Sven.
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