Thanks Arjen. Let me work on your comments.
On Mon, Oct 25, 2021 at 12:53 PM Arjen Markus <arjen.markus...@gmail.com> wrote: > I am not sure I understand your question correctly, but Fortran uses the > KIND mechanism to declare the precise characteristics of floating-point > variables and constants. Typically, these are identifying integer numbers > for single precision, double precision and quadruple precision. A custom > floating-point type would mean an additional KIND number with the relevant > runtime support and support from the various intrinsic functions and > modules In the directory gcc/fortran I find several source files that use > the typedef gfc_real_info and the array of kinds gfc_rel_kinds to deal with > floating-point data of various kinds. Would that help? (Caveat: I am a mere > beginner, and perhaps not even that, when it comes to the internals of the > GCC compiler suite) > > Regards, > > Arjen > > Op za 23 okt. 2021 om 03:28 schreef Amit Hmath via Fortran < > fortran@gcc.gnu.org>: > >> Hello All, >> >> I am working on a custom float in RISC-V 32, one can replace keyword >> "float" with custom keyword like "fp_custom" at line # 482 >> riscv-gcc/gcc/c-family/c-common.c. But in the case of Fortran, can you >> please tell which files to modify to replace the "float" keyword? >> >> And also, in case of c/c++ one can do custom encoding and decoding of >> custom floats in gcc/real.c how about in fortran for custom real data >> type, >> which file(s) one has to modify? >> >> Many Thanks, >> -Amit >> >
