After a more thorough reading of the docs, supposedly the linker doesn't respect the .even symbol. I'll do some more experiments using multiple object files.
On Fri, Feb 12, 2021 at 4:34 PM Ralph Doncaster <ralphdoncas...@gmail.com> wrote: > The .even directive worked when I tried it. Was there a bug report > regarding the .even directive with as8051? > > On Fri, Feb 12, 2021, 14:44 Philipp Klaus Krause <p...@spth.de> wrote: > >> Am 12.02.21 um 17:56 schrieb Ralph Doncaster: >> > I'm using sdcc with a mcs51 target for which some instructions take >> > longer when they are not word aligned. For timing-sensitive code, I can >> > write it in asm and use the .even or .bndry directives. I couldn't find >> > anything in the SDCC manual to restrict the alignment of a function or >> > block of code. Is there any way of doing it? >> >> As far as I know, the only way to specify alignment in SDCC in C11 >> alignas, which AFAIK according to the C standard is meant only for >> object declarations, not functions. >> And even for alignas, SDCC does AFAIK currently not support alignment >> other than 0 or 1. >> >> Also I don't know how well .even and .bndry work in the assembler. >> AFAIR, assembler problems with those were the reason for the lack of >> support of alignas other than 0 and 1 in SDCC. >> >> Philipp >> >> >> _______________________________________________ >> Sdcc-user mailing list >> Sdcc-user@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/sdcc-user >> >
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