On 22/04/2025 8:46 pm, Stefano Stabellini wrote: > On Tue, 22 Apr 2025, Andrew Cooper wrote: >> Compilers estimate the size of an asm() block for inlining purposes. >> >> Constructs such as ALTERNATIVE appear large due to the metadata, depsite >> often >> only being a handful of instructions. asm inline() overrides the estimation >> to identify the block as being small. >> >> This has a substantial impact on inlining decisions, expected to be for the >> better given that the compiler has a more accurate picture to work with. >> >> Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com> > Hi Andrew, > > If we are going to use asm_inline, please add a note to > docs/misra/C-language-toolchain.rst where we keep record of all the > language extensions we use.
It's just asm(), and that's already discussed. I'm not sure what else you think is warranted. ~Andrew
