On 24/11/2020 20:47, Enrico Tabanelli via Gcc-help wrote: > Good morning, > > I am trying to compile Libgcc for the ARM Cortex-M4 target from scratch since I need to compare Floating Point SW emulation on an ARM Cortex-M4 and Risc-V based processors. By default, GCC includes an optimized version of the FP SW emulation routines, ieee754-sf.S, which is included in the ARM back-end of Libgcc. For my work, I would like to use the basic routines included in libgcc/softfp. > Does anyone know how to exclude ieee754-sf.S in the libgcc building process? In particular, how to configure GCC and if there is something to change inside the ARM back-end? > > Thanks, > Enrico Tabanelli > I think you'd need to hack the build system. I'm not aware of any standard configuration hooks to do this. R.
