Hi Alexey, Ok, that's fine. Two last issues with Patch 2. 1. You don't include your libm/machine/xtensa/Makefile.inc in libm/Makefile.inc 2. You shouldn't modify libm/math/ef_sqrt.c. Instead, add your own ef_sqrt.c in libm/machine/xtensa. Machine objects override the common ones. -- Jeff J. On Wed, Aug 16, 2023 at 3:46 AM Alexey Lapshin wrote: > > Is this change required and is missing from this latest Patch 2 or did > you change your mind regarding the change? > > I removed changes from the patch that were unrelated to the xtensa port. > Sent this change as separate patch. ( > https://sourceware.org/pipermail/newlib/2023/020490.html) >